diff options
Diffstat (limited to 'src')
55 files changed, 3096 insertions, 3124 deletions
diff --git a/src/core/loopback-setup.c b/src/core/loopback-setup.c index 938f3ab068..4503fc9dcc 100644 --- a/src/core/loopback-setup.c +++ b/src/core/loopback-setup.c @@ -22,13 +22,13 @@ #include <net/if.h> #include <stdlib.h> -#include "sd-rtnl.h" -#include "rtnl-util.h" +#include "sd-netlink.h" +#include "netlink-util.h" #include "missing.h" #include "loopback-setup.h" -static int start_loopback(sd_rtnl *rtnl) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; +static int start_loopback(sd_netlink *rtnl) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; r = sd_rtnl_message_new_link(rtnl, &req, RTM_SETLINK, LOOPBACK_IFINDEX); @@ -39,15 +39,15 @@ static int start_loopback(sd_rtnl *rtnl) { if (r < 0) return r; - r = sd_rtnl_call(rtnl, req, 0, NULL); + r = sd_netlink_call(rtnl, req, 0, NULL); if (r < 0) return r; return 0; } -static bool check_loopback(sd_rtnl *rtnl) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; +static bool check_loopback(sd_netlink *rtnl) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; unsigned flags; int r; @@ -55,7 +55,7 @@ static bool check_loopback(sd_rtnl *rtnl) { if (r < 0) return false; - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return false; @@ -67,10 +67,10 @@ static bool check_loopback(sd_rtnl *rtnl) { } int loopback_setup(void) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; int r; - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return r; diff --git a/src/libsystemd-network/test-pppoe.c b/src/libsystemd-network/test-pppoe.c index cc51197295..72878f4b51 100644 --- a/src/libsystemd-network/test-pppoe.c +++ b/src/libsystemd-network/test-pppoe.c @@ -29,7 +29,7 @@ #include "util.h" #include "sd-event.h" #include "event-util.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "sd-pppoe.h" #include "process-util.h" @@ -83,8 +83,8 @@ static int client_run(const char *client_name, sd_event *e) { } static int test_pppoe_server(sd_event *e) { - sd_rtnl *rtnl; - sd_rtnl_message *m; + sd_netlink *rtnl; + sd_netlink_message *m; pid_t pid; int r, client_ifindex, server_ifindex; @@ -94,34 +94,34 @@ static int test_pppoe_server(sd_event *e) { assert_se(r >= 0); - assert_se(sd_rtnl_open(&rtnl) >= 0); - assert_se(sd_rtnl_attach_event(rtnl, e, 0) >= 0); + assert_se(sd_netlink_open(&rtnl) >= 0); + assert_se(sd_netlink_attach_event(rtnl, e, 0) >= 0); assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0); - assert_se(sd_rtnl_message_append_string(m, IFLA_IFNAME, "pppoe-server") >= 0); - assert_se(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0); - assert_se(sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "veth") >= 0); - assert_se(sd_rtnl_message_open_container(m, VETH_INFO_PEER) >= 0); - assert_se(sd_rtnl_message_append_string(m, IFLA_IFNAME, "pppoe-client") >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); - assert_se(sd_rtnl_call(rtnl, m, 0, NULL) >= 0); + assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "pppoe-server") >= 0); + assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); + assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "veth") >= 0); + assert_se(sd_netlink_message_open_container(m, VETH_INFO_PEER) >= 0); + assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "pppoe-client") >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_call(rtnl, m, 0, NULL) >= 0); client_ifindex = (int) if_nametoindex("pppoe-client"); assert_se(client_ifindex > 0); server_ifindex = (int) if_nametoindex("pppoe-server"); assert_se(server_ifindex > 0); - m = sd_rtnl_message_unref(m); + m = sd_netlink_message_unref(m); assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_SETLINK, client_ifindex) >= 0); assert_se(sd_rtnl_message_link_set_flags(m, IFF_UP, IFF_UP) >= 0); - assert_se(sd_rtnl_call(rtnl, m, 0, NULL) >= 0); + assert_se(sd_netlink_call(rtnl, m, 0, NULL) >= 0); - m = sd_rtnl_message_unref(m); + m = sd_netlink_message_unref(m); assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_SETLINK, server_ifindex) >= 0); assert_se(sd_rtnl_message_link_set_flags(m, IFF_UP, IFF_UP) >= 0); - assert_se(sd_rtnl_call(rtnl, m, 0, NULL) >= 0); + assert_se(sd_netlink_call(rtnl, m, 0, NULL) >= 0); pid = fork(); assert_se(pid >= 0); @@ -145,8 +145,8 @@ static int test_pppoe_server(sd_event *e) { assert_se(kill(pid, SIGTERM) >= 0); assert_se(wait_for_terminate(pid, NULL) >= 0); - assert_se(!sd_rtnl_message_unref(m)); - assert_se(!sd_rtnl_unref(rtnl)); + assert_se(!sd_netlink_message_unref(m)); + assert_se(!sd_netlink_unref(rtnl)); return EXIT_SUCCESS; } diff --git a/src/libsystemd/sd-rtnl/Makefile b/src/libsystemd/sd-netlink/Makefile index 94aaae2c4d..94aaae2c4d 120000 --- a/src/libsystemd/sd-rtnl/Makefile +++ b/src/libsystemd/sd-netlink/Makefile diff --git a/src/libsystemd/sd-rtnl/local-addresses.c b/src/libsystemd/sd-netlink/local-addresses.c index f05cbf1f47..e2f637f7f9 100644 --- a/src/libsystemd/sd-rtnl/local-addresses.c +++ b/src/libsystemd/sd-netlink/local-addresses.c @@ -20,8 +20,8 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include "sd-rtnl.h" -#include "rtnl-util.h" +#include "sd-netlink.h" +#include "netlink-util.h" #include "macro.h" #include "local-addresses.h" @@ -53,20 +53,20 @@ static int address_compare(const void *_a, const void *_b) { return memcmp(&a->address, &b->address, FAMILY_ADDRESS_SIZE(a->family)); } -int local_addresses(sd_rtnl *context, int ifindex, int af, struct local_address **ret) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; +int local_addresses(sd_netlink *context, int ifindex, int af, struct local_address **ret) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; _cleanup_free_ struct local_address *list = NULL; size_t n_list = 0, n_allocated = 0; - sd_rtnl_message *m; + sd_netlink_message *m; int r; assert(ret); if (context) - rtnl = sd_rtnl_ref(context); + rtnl = sd_netlink_ref(context); else { - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return r; } @@ -75,21 +75,21 @@ int local_addresses(sd_rtnl *context, int ifindex, int af, struct local_address if (r < 0) return r; - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return r; - for (m = reply; m; m = sd_rtnl_message_next(m)) { + for (m = reply; m; m = sd_netlink_message_next(m)) { struct local_address *a; unsigned char flags; uint16_t type; int ifi, family; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0) return r; - r = sd_rtnl_message_get_type(m, &type); + r = sd_netlink_message_get_type(m, &type); if (r < 0) return r; if (type != RTM_NEWADDR) @@ -128,18 +128,18 @@ int local_addresses(sd_rtnl *context, int ifindex, int af, struct local_address switch (family) { case AF_INET: - r = sd_rtnl_message_read_in_addr(m, IFA_LOCAL, &a->address.in); + r = sd_netlink_message_read_in_addr(m, IFA_LOCAL, &a->address.in); if (r < 0) { - r = sd_rtnl_message_read_in_addr(m, IFA_ADDRESS, &a->address.in); + r = sd_netlink_message_read_in_addr(m, IFA_ADDRESS, &a->address.in); if (r < 0) continue; } break; case AF_INET6: - r = sd_rtnl_message_read_in6_addr(m, IFA_LOCAL, &a->address.in6); + r = sd_netlink_message_read_in6_addr(m, IFA_LOCAL, &a->address.in6); if (r < 0) { - r = sd_rtnl_message_read_in6_addr(m, IFA_ADDRESS, &a->address.in6); + r = sd_netlink_message_read_in6_addr(m, IFA_ADDRESS, &a->address.in6); if (r < 0) continue; } @@ -164,20 +164,20 @@ int local_addresses(sd_rtnl *context, int ifindex, int af, struct local_address return (int) n_list; } -int local_gateways(sd_rtnl *context, int ifindex, int af, struct local_address **ret) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; +int local_gateways(sd_netlink *context, int ifindex, int af, struct local_address **ret) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; _cleanup_free_ struct local_address *list = NULL; - sd_rtnl_message *m = NULL; + sd_netlink_message *m = NULL; size_t n_list = 0, n_allocated = 0; int r; assert(ret); if (context) - rtnl = sd_rtnl_ref(context); + rtnl = sd_netlink_ref(context); else { - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return r; } @@ -186,26 +186,26 @@ int local_gateways(sd_rtnl *context, int ifindex, int af, struct local_address * if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return r; - for (m = reply; m; m = sd_rtnl_message_next(m)) { + for (m = reply; m; m = sd_netlink_message_next(m)) { struct local_address *a; uint16_t type; unsigned char dst_len, src_len; uint32_t ifi; int family; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0) return r; - r = sd_rtnl_message_get_type(m, &type); + r = sd_netlink_message_get_type(m, &type); if (r < 0) return r; if (type != RTM_NEWROUTE) @@ -224,7 +224,7 @@ int local_gateways(sd_rtnl *context, int ifindex, int af, struct local_address * if (src_len != 0) continue; - r = sd_rtnl_message_read_u32(m, RTA_OIF, &ifi); + r = sd_netlink_message_read_u32(m, RTA_OIF, &ifi); if (r < 0) return r; if (ifindex > 0 && (int) ifi != ifindex) @@ -243,13 +243,13 @@ int local_gateways(sd_rtnl *context, int ifindex, int af, struct local_address * switch (family) { case AF_INET: - r = sd_rtnl_message_read_in_addr(m, RTA_GATEWAY, &a->address.in); + r = sd_netlink_message_read_in_addr(m, RTA_GATEWAY, &a->address.in); if (r < 0) continue; break; case AF_INET6: - r = sd_rtnl_message_read_in6_addr(m, RTA_GATEWAY, &a->address.in6); + r = sd_netlink_message_read_in6_addr(m, RTA_GATEWAY, &a->address.in6); if (r < 0) continue; @@ -258,7 +258,7 @@ int local_gateways(sd_rtnl *context, int ifindex, int af, struct local_address * continue; } - sd_rtnl_message_read_u32(m, RTA_PRIORITY, &a->metric); + sd_netlink_message_read_u32(m, RTA_PRIORITY, &a->metric); a->ifindex = ifi; a->family = family; diff --git a/src/libsystemd/sd-rtnl/local-addresses.h b/src/libsystemd/sd-netlink/local-addresses.h index bdc28d3510..5d0f11a2c1 100644 --- a/src/libsystemd/sd-rtnl/local-addresses.h +++ b/src/libsystemd/sd-netlink/local-addresses.h @@ -22,7 +22,7 @@ ***/ -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "in-addr-util.h" struct local_address { @@ -32,6 +32,6 @@ struct local_address { union in_addr_union address; }; -int local_addresses(sd_rtnl *rtnl, int ifindex, int af, struct local_address **ret); +int local_addresses(sd_netlink *rtnl, int ifindex, int af, struct local_address **ret); -int local_gateways(sd_rtnl *rtnl, int ifindex, int af, struct local_address **ret); +int local_gateways(sd_netlink *rtnl, int ifindex, int af, struct local_address **ret); diff --git a/src/libsystemd/sd-rtnl/rtnl-internal.h b/src/libsystemd/sd-netlink/netlink-internal.h index 05b88b1ad8..7290f4e875 100644 --- a/src/libsystemd/sd-rtnl/rtnl-internal.h +++ b/src/libsystemd/sd-netlink/netlink-internal.h @@ -27,9 +27,9 @@ #include "prioq.h" #include "list.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" -#include "rtnl-types.h" +#include "netlink-types.h" #define RTNL_DEFAULT_TIMEOUT ((usec_t) (25 * USEC_PER_SEC)) @@ -39,7 +39,7 @@ #define RTNL_CONTAINER_DEPTH 32 struct reply_callback { - sd_rtnl_message_handler_t callback; + sd_netlink_message_handler_t callback; void *userdata; usec_t timeout; uint64_t serial; @@ -47,14 +47,14 @@ struct reply_callback { }; struct match_callback { - sd_rtnl_message_handler_t callback; + sd_netlink_message_handler_t callback; uint16_t type; void *userdata; LIST_FIELDS(struct match_callback, match_callbacks); }; -struct sd_rtnl { +struct sd_netlink { RefCount n_ref; int fd; @@ -64,18 +64,14 @@ struct sd_rtnl { struct sockaddr_nl nl; } sockaddr; - sd_rtnl_message **rqueue; + sd_netlink_message **rqueue; unsigned rqueue_size; size_t rqueue_allocated; - sd_rtnl_message **rqueue_partial; + sd_netlink_message **rqueue_partial; unsigned rqueue_partial_size; size_t rqueue_partial_allocated; - sd_rtnl_message **wqueue; - unsigned wqueue_size; - size_t wqueue_allocated; - struct nlmsghdr *rbuffer; size_t rbuffer_allocated; @@ -96,10 +92,10 @@ struct sd_rtnl { sd_event *event; }; -struct sd_rtnl_message { +struct sd_netlink_message { RefCount n_ref; - sd_rtnl *rtnl; + sd_netlink *rtnl; struct nlmsghdr *hdr; const struct NLTypeSystem *(container_type_system[RTNL_CONTAINER_DEPTH]); /* the type of the container and all its parents */ @@ -111,19 +107,23 @@ struct sd_rtnl_message { bool sealed:1; bool broadcast:1; - sd_rtnl_message *next; /* next in a chain of multi-part messages */ + sd_netlink_message *next; /* next in a chain of multi-part messages */ }; -int message_new(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t type); +int message_new(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t type); +int message_new_empty(sd_netlink *rtnl, sd_netlink_message **ret); -int socket_write_message(sd_rtnl *nl, sd_rtnl_message *m); -int socket_read_message(sd_rtnl *nl); +int socket_open(int family); +int socket_bind(sd_netlink *nl); +int socket_join_broadcast_group(sd_netlink *nl, unsigned group); +int socket_write_message(sd_netlink *nl, sd_netlink_message *m); +int socket_read_message(sd_netlink *nl); -int rtnl_rqueue_make_room(sd_rtnl *rtnl); -int rtnl_rqueue_partial_make_room(sd_rtnl *rtnl); +int rtnl_rqueue_make_room(sd_netlink *rtnl); +int rtnl_rqueue_partial_make_room(sd_netlink *rtnl); -int rtnl_message_read_internal(sd_rtnl_message *m, unsigned short type, void **data); -int rtnl_message_parse(sd_rtnl_message *m, +int rtnl_message_read_internal(sd_netlink_message *m, unsigned short type, void **data); +int rtnl_message_parse(sd_netlink_message *m, size_t **rta_offset_tb, unsigned short *rta_tb_size, int max, @@ -132,4 +132,4 @@ int rtnl_message_parse(sd_rtnl_message *m, /* Make sure callbacks don't destroy the rtnl connection */ #define RTNL_DONT_DESTROY(rtnl) \ - _cleanup_rtnl_unref_ _unused_ sd_rtnl *_dont_destroy_##rtnl = sd_rtnl_ref(rtnl) + _cleanup_netlink_unref_ _unused_ sd_netlink *_dont_destroy_##rtnl = sd_netlink_ref(rtnl) diff --git a/src/libsystemd/sd-netlink/netlink-message.c b/src/libsystemd/sd-netlink/netlink-message.c new file mode 100644 index 0000000000..87324fc2f7 --- /dev/null +++ b/src/libsystemd/sd-netlink/netlink-message.c @@ -0,0 +1,906 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <netinet/in.h> +#include <stdbool.h> +#include <unistd.h> + +#include "util.h" +#include "socket-util.h" +#include "formats-util.h" +#include "refcnt.h" +#include "missing.h" + +#include "sd-netlink.h" +#include "netlink-util.h" +#include "netlink-internal.h" +#include "netlink-types.h" + +#define GET_CONTAINER(m, i) ((i) < (m)->n_containers ? (struct rtattr*)((uint8_t*)(m)->hdr + (m)->container_offsets[i]) : NULL) +#define PUSH_CONTAINER(m, new) (m)->container_offsets[(m)->n_containers ++] = (uint8_t*)(new) - (uint8_t*)(m)->hdr; + +#define RTA_TYPE(rta) ((rta)->rta_type & NLA_TYPE_MASK) + +int message_new_empty(sd_netlink *rtnl, sd_netlink_message **ret) { + sd_netlink_message *m; + + assert_return(ret, -EINVAL); + + /* Note that 'rtnl' is currently unused, if we start using it internally + we must take care to avoid problems due to mutual references between + buses and their queued messages. See sd-bus. + */ + + m = new0(sd_netlink_message, 1); + if (!m) + return -ENOMEM; + + m->n_ref = REFCNT_INIT; + + m->sealed = false; + + *ret = m; + + return 0; +} + +int message_new(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t type) { + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + const NLType *nl_type; + size_t size; + int r; + + r = type_system_get_type(NULL, &nl_type, type); + if (r < 0) + return r; + + r = message_new_empty(rtnl, &m); + if (r < 0) + return r; + + size = NLMSG_SPACE(nl_type->size); + + assert(size >= sizeof(struct nlmsghdr)); + m->hdr = malloc0(size); + if (!m->hdr) + return -ENOMEM; + + m->hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; + + m->container_type_system[0] = nl_type->type_system; + m->hdr->nlmsg_len = size; + m->hdr->nlmsg_type = type; + + *ret = m; + m = NULL; + + return 0; +} + +int sd_netlink_message_request_dump(sd_netlink_message *m, int dump) { + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(m->hdr->nlmsg_type == RTM_GETLINK || + m->hdr->nlmsg_type == RTM_GETADDR || + m->hdr->nlmsg_type == RTM_GETROUTE || + m->hdr->nlmsg_type == RTM_GETNEIGH, + -EINVAL); + + if (dump) + m->hdr->nlmsg_flags |= NLM_F_DUMP; + else + m->hdr->nlmsg_flags &= ~NLM_F_DUMP; + + return 0; +} + +sd_netlink_message *sd_netlink_message_ref(sd_netlink_message *m) { + if (m) + assert_se(REFCNT_INC(m->n_ref) >= 2); + + return m; +} + +sd_netlink_message *sd_netlink_message_unref(sd_netlink_message *m) { + if (m && REFCNT_DEC(m->n_ref) == 0) { + unsigned i; + + free(m->hdr); + + for (i = 0; i <= m->n_containers; i++) + free(m->rta_offset_tb[i]); + + sd_netlink_message_unref(m->next); + + free(m); + } + + return NULL; +} + +int sd_netlink_message_get_type(sd_netlink_message *m, uint16_t *type) { + assert_return(m, -EINVAL); + assert_return(type, -EINVAL); + + *type = m->hdr->nlmsg_type; + + return 0; +} + +int sd_netlink_message_is_broadcast(sd_netlink_message *m) { + assert_return(m, -EINVAL); + + return m->broadcast; +} + +/* If successful the updated message will be correctly aligned, if + unsuccessful the old message is untouched. */ +static int add_rtattr(sd_netlink_message *m, unsigned short type, const void *data, size_t data_length) { + uint32_t rta_length; + size_t message_length, padding_length; + struct nlmsghdr *new_hdr; + struct rtattr *rta; + char *padding; + unsigned i; + int offset; + + assert(m); + assert(m->hdr); + assert(!m->sealed); + assert(NLMSG_ALIGN(m->hdr->nlmsg_len) == m->hdr->nlmsg_len); + assert(!data || data_length); + + /* get offset of the new attribute */ + offset = m->hdr->nlmsg_len; + + /* get the size of the new rta attribute (with padding at the end) */ + rta_length = RTA_LENGTH(data_length); + + /* get the new message size (with padding at the end) */ + message_length = offset + RTA_ALIGN(rta_length); + + /* realloc to fit the new attribute */ + new_hdr = realloc(m->hdr, message_length); + if (!new_hdr) + return -ENOMEM; + m->hdr = new_hdr; + + /* get pointer to the attribute we are about to add */ + rta = (struct rtattr *) ((uint8_t *) m->hdr + offset); + + /* if we are inside containers, extend them */ + for (i = 0; i < m->n_containers; i++) + GET_CONTAINER(m, i)->rta_len += message_length - offset; + + /* fill in the attribute */ + rta->rta_type = type; + rta->rta_len = rta_length; + if (data) + /* we don't deal with the case where the user lies about the type + * and gives us too little data (so don't do that) + */ + padding = mempcpy(RTA_DATA(rta), data, data_length); + else { + /* if no data was passed, make sure we still initialize the padding + note that we can have data_length > 0 (used by some containers) */ + padding = RTA_DATA(rta); + } + + /* make sure also the padding at the end of the message is initialized */ + padding_length = (uint8_t*)m->hdr + message_length - (uint8_t*)padding; + memzero(padding, padding_length); + + /* update message size */ + m->hdr->nlmsg_len = message_length; + + return offset; +} + +static int message_attribute_has_type(sd_netlink_message *m, uint16_t attribute_type, uint16_t data_type) { + const NLType *type; + int r; + + r = type_system_get_type(m->container_type_system[m->n_containers], &type, attribute_type); + if (r < 0) + return r; + + if (type->type != data_type) + return -EINVAL; + + return type->size; +} + +int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type, const char *data) { + size_t length, size; + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(data, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_STRING); + if (r < 0) + return r; + else + size = (size_t)r; + + if (size) { + length = strnlen(data, size+1); + if (length > size) + return -EINVAL; + } else + length = strlen(data); + + r = add_rtattr(m, type, data, length + 1); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_append_u8(sd_netlink_message *m, unsigned short type, uint8_t data) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + + r = message_attribute_has_type(m, type, NLA_U8); + if (r < 0) + return r; + + r = add_rtattr(m, type, &data, sizeof(uint8_t)); + if (r < 0) + return r; + + return 0; +} + + +int sd_netlink_message_append_u16(sd_netlink_message *m, unsigned short type, uint16_t data) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + + r = message_attribute_has_type(m, type, NLA_U16); + if (r < 0) + return r; + + r = add_rtattr(m, type, &data, sizeof(uint16_t)); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_append_u32(sd_netlink_message *m, unsigned short type, uint32_t data) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + + r = message_attribute_has_type(m, type, NLA_U32); + if (r < 0) + return r; + + r = add_rtattr(m, type, &data, sizeof(uint32_t)); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_append_in_addr(sd_netlink_message *m, unsigned short type, const struct in_addr *data) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(data, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_IN_ADDR); + if (r < 0) + return r; + + r = add_rtattr(m, type, data, sizeof(struct in_addr)); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_append_in6_addr(sd_netlink_message *m, unsigned short type, const struct in6_addr *data) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(data, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_IN_ADDR); + if (r < 0) + return r; + + r = add_rtattr(m, type, data, sizeof(struct in6_addr)); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_append_ether_addr(sd_netlink_message *m, unsigned short type, const struct ether_addr *data) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(data, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_ETHER_ADDR); + if (r < 0) + return r; + + r = add_rtattr(m, type, data, ETH_ALEN); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_append_cache_info(sd_netlink_message *m, unsigned short type, const struct ifa_cacheinfo *info) { + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(info, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_CACHE_INFO); + if (r < 0) + return r; + + r = add_rtattr(m, type, info, sizeof(struct ifa_cacheinfo)); + if (r < 0) + return r; + + return 0; +} + +int sd_netlink_message_open_container(sd_netlink_message *m, unsigned short type) { + size_t size; + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(m->n_containers < RTNL_CONTAINER_DEPTH, -ERANGE); + + r = message_attribute_has_type(m, type, NLA_NESTED); + if (r < 0) { + const NLTypeSystemUnion *type_system_union; + int family; + + r = message_attribute_has_type(m, type, NLA_UNION); + if (r < 0) + return r; + size = (size_t) r; + + r = sd_rtnl_message_get_family(m, &family); + if (r < 0) + return r; + + r = type_system_get_type_system_union(m->container_type_system[m->n_containers], &type_system_union, type); + if (r < 0) + return r; + + r = type_system_union_protocol_get_type_system(type_system_union, + &m->container_type_system[m->n_containers + 1], + family); + if (r < 0) + return r; + } else { + size = (size_t)r; + + r = type_system_get_type_system(m->container_type_system[m->n_containers], + &m->container_type_system[m->n_containers + 1], + type); + if (r < 0) + return r; + } + + r = add_rtattr(m, type | NLA_F_NESTED, NULL, size); + if (r < 0) + return r; + + m->container_offsets[m->n_containers ++] = r; + + return 0; +} + +int sd_netlink_message_open_container_union(sd_netlink_message *m, unsigned short type, const char *key) { + const NLTypeSystemUnion *type_system_union; + int r; + + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + + r = type_system_get_type_system_union(m->container_type_system[m->n_containers], &type_system_union, type); + if (r < 0) + return r; + + r = type_system_union_get_type_system(type_system_union, + &m->container_type_system[m->n_containers + 1], + key); + if (r < 0) + return r; + + r = sd_netlink_message_append_string(m, type_system_union->match, key); + if (r < 0) + return r; + + /* do we evere need non-null size */ + r = add_rtattr(m, type, NULL, 0); + if (r < 0) + return r; + + m->container_offsets[m->n_containers ++] = r; + + return 0; +} + + +int sd_netlink_message_close_container(sd_netlink_message *m) { + assert_return(m, -EINVAL); + assert_return(!m->sealed, -EPERM); + assert_return(m->n_containers > 0, -EINVAL); + + m->container_type_system[m->n_containers] = NULL; + m->n_containers --; + + return 0; +} + +int rtnl_message_read_internal(sd_netlink_message *m, unsigned short type, void **data) { + struct rtattr *rta; + + assert_return(m, -EINVAL); + assert_return(m->sealed, -EPERM); + assert_return(data, -EINVAL); + assert(m->n_containers <= RTNL_CONTAINER_DEPTH); + assert(m->rta_offset_tb[m->n_containers]); + assert(type < m->rta_tb_size[m->n_containers]); + + if(!m->rta_offset_tb[m->n_containers][type]) + return -ENODATA; + + rta = (struct rtattr*)((uint8_t *) m->hdr + m->rta_offset_tb[m->n_containers][type]); + + *data = RTA_DATA(rta); + + return RTA_PAYLOAD(rta); +} + +int sd_netlink_message_read_string(sd_netlink_message *m, unsigned short type, const char **data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_STRING); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if (strnlen(attr_data, r) >= (size_t) r) + return -EIO; + + if (data) + *data = (const char *) attr_data; + + return 0; +} + +int sd_netlink_message_read_u8(sd_netlink_message *m, unsigned short type, uint8_t *data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_U8); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t) r < sizeof(uint8_t)) + return -EIO; + + if (data) + *data = *(uint8_t *) attr_data; + + return 0; +} + +int sd_netlink_message_read_u16(sd_netlink_message *m, unsigned short type, uint16_t *data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_U16); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t) r < sizeof(uint16_t)) + return -EIO; + + if (data) + *data = *(uint16_t *) attr_data; + + return 0; +} + +int sd_netlink_message_read_u32(sd_netlink_message *m, unsigned short type, uint32_t *data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_U32); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t)r < sizeof(uint32_t)) + return -EIO; + + if (data) + *data = *(uint32_t *) attr_data; + + return 0; +} + +int sd_netlink_message_read_ether_addr(sd_netlink_message *m, unsigned short type, struct ether_addr *data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_ETHER_ADDR); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t)r < sizeof(struct ether_addr)) + return -EIO; + + if (data) + memcpy(data, attr_data, sizeof(struct ether_addr)); + + return 0; +} + +int sd_netlink_message_read_cache_info(sd_netlink_message *m, unsigned short type, struct ifa_cacheinfo *info) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_CACHE_INFO); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t)r < sizeof(struct ifa_cacheinfo)) + return -EIO; + + if (info) + memcpy(info, attr_data, sizeof(struct ifa_cacheinfo)); + + return 0; +} + +int sd_netlink_message_read_in_addr(sd_netlink_message *m, unsigned short type, struct in_addr *data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_IN_ADDR); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t)r < sizeof(struct in_addr)) + return -EIO; + + if (data) + memcpy(data, attr_data, sizeof(struct in_addr)); + + return 0; +} + +int sd_netlink_message_read_in6_addr(sd_netlink_message *m, unsigned short type, struct in6_addr *data) { + int r; + void *attr_data; + + assert_return(m, -EINVAL); + + r = message_attribute_has_type(m, type, NLA_IN_ADDR); + if (r < 0) + return r; + + r = rtnl_message_read_internal(m, type, &attr_data); + if (r < 0) + return r; + else if ((size_t)r < sizeof(struct in6_addr)) + return -EIO; + + if (data) + memcpy(data, attr_data, sizeof(struct in6_addr)); + + return 0; +} + +int sd_netlink_message_enter_container(sd_netlink_message *m, unsigned short type) { + const NLType *nl_type; + const NLTypeSystem *type_system; + void *container; + size_t size; + int r; + + assert_return(m, -EINVAL); + assert_return(m->n_containers < RTNL_CONTAINER_DEPTH, -EINVAL); + + r = type_system_get_type(m->container_type_system[m->n_containers], + &nl_type, + type); + if (r < 0) + return r; + + if (nl_type->type == NLA_NESTED) { + r = type_system_get_type_system(m->container_type_system[m->n_containers], + &type_system, + type); + if (r < 0) + return r; + } else if (nl_type->type == NLA_UNION) { + const NLTypeSystemUnion *type_system_union; + + r = type_system_get_type_system_union(m->container_type_system[m->n_containers], + &type_system_union, + type); + if (r < 0) + return r; + + switch (type_system_union->match_type) { + case NL_MATCH_SIBLING: + { + const char *key; + + r = sd_netlink_message_read_string(m, type_system_union->match, &key); + if (r < 0) + return r; + + r = type_system_union_get_type_system(type_system_union, + &type_system, + key); + if (r < 0) + return r; + + break; + } + case NL_MATCH_PROTOCOL: + { + int family; + + r = sd_rtnl_message_get_family(m, &family); + if (r < 0) + return r; + + r = type_system_union_protocol_get_type_system(type_system_union, + &type_system, + family); + if (r < 0) + return r; + + break; + } + default: + assert_not_reached("sd-netlink: invalid type system union type"); + } + } else + return -EINVAL; + + r = rtnl_message_read_internal(m, type, &container); + if (r < 0) + return r; + else + size = (size_t)r; + + m->n_containers ++; + + r = rtnl_message_parse(m, + &m->rta_offset_tb[m->n_containers], + &m->rta_tb_size[m->n_containers], + type_system->max, + container, + size); + if (r < 0) { + m->n_containers --; + return r; + } + + m->container_type_system[m->n_containers] = type_system; + + return 0; +} + +int sd_netlink_message_exit_container(sd_netlink_message *m) { + assert_return(m, -EINVAL); + assert_return(m->sealed, -EINVAL); + assert_return(m->n_containers > 0, -EINVAL); + + free(m->rta_offset_tb[m->n_containers]); + m->rta_offset_tb[m->n_containers] = NULL; + m->container_type_system[m->n_containers] = NULL; + + m->n_containers --; + + return 0; +} + +uint32_t rtnl_message_get_serial(sd_netlink_message *m) { + assert(m); + assert(m->hdr); + + return m->hdr->nlmsg_seq; +} + +int sd_netlink_message_is_error(sd_netlink_message *m) { + assert_return(m, 0); + assert_return(m->hdr, 0); + + return m->hdr->nlmsg_type == NLMSG_ERROR; +} + +int sd_netlink_message_get_errno(sd_netlink_message *m) { + struct nlmsgerr *err; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + + if (!sd_netlink_message_is_error(m)) + return 0; + + err = NLMSG_DATA(m->hdr); + + return err->error; +} + +int rtnl_message_parse(sd_netlink_message *m, + size_t **rta_offset_tb, + unsigned short *rta_tb_size, + int max, + struct rtattr *rta, + unsigned int rt_len) { + unsigned short type; + size_t *tb; + + tb = new0(size_t, max + 1); + if(!tb) + return -ENOMEM; + + *rta_tb_size = max + 1; + + for (; RTA_OK(rta, rt_len); rta = RTA_NEXT(rta, rt_len)) { + type = RTA_TYPE(rta); + + /* if the kernel is newer than the headers we used + when building, we ignore out-of-range attributes + */ + if (type > max) + continue; + + if (tb[type]) + log_debug("rtnl: message parse - overwriting repeated attribute"); + + tb[type] = (uint8_t *) rta - (uint8_t *) m->hdr; + } + + *rta_offset_tb = tb; + + return 0; +} + +int sd_netlink_message_rewind(sd_netlink_message *m) { + const NLType *type; + unsigned i; + int r; + + assert_return(m, -EINVAL); + + /* don't allow appending to message once parsed */ + if (!m->sealed) + rtnl_message_seal(m); + + for (i = 1; i <= m->n_containers; i++) { + free(m->rta_offset_tb[i]); + m->rta_offset_tb[i] = NULL; + m->rta_tb_size[i] = 0; + m->container_type_system[i] = NULL; + } + + m->n_containers = 0; + + if (m->rta_offset_tb[0]) { + /* top-level attributes have already been parsed */ + return 0; + } + + assert(m->hdr); + + r = type_system_get_type(NULL, &type, m->hdr->nlmsg_type); + if (r < 0) + return r; + + if (type->type == NLA_NESTED) { + const NLTypeSystem *type_system = type->type_system; + + assert(type_system); + + m->container_type_system[0] = type_system; + + r = rtnl_message_parse(m, + &m->rta_offset_tb[m->n_containers], + &m->rta_tb_size[m->n_containers], + type_system->max, + (struct rtattr*)((uint8_t*)NLMSG_DATA(m->hdr) + + NLMSG_ALIGN(type->size)), + NLMSG_PAYLOAD(m->hdr, type->size)); + if (r < 0) + return r; + } + + return 0; +} + +void rtnl_message_seal(sd_netlink_message *m) { + assert(m); + assert(!m->sealed); + + m->sealed = true; +} + +sd_netlink_message *sd_netlink_message_next(sd_netlink_message *m) { + assert_return(m, NULL); + + return m->next; +} diff --git a/src/libsystemd/sd-netlink/netlink-socket.c b/src/libsystemd/sd-netlink/netlink-socket.c new file mode 100644 index 0000000000..8136cf36ae --- /dev/null +++ b/src/libsystemd/sd-netlink/netlink-socket.c @@ -0,0 +1,322 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <netinet/in.h> +#include <stdbool.h> +#include <unistd.h> + +#include "util.h" +#include "socket-util.h" +#include "formats-util.h" +#include "refcnt.h" +#include "missing.h" + +#include "sd-netlink.h" +#include "netlink-util.h" +#include "netlink-internal.h" +#include "netlink-types.h" + +int socket_open(int family) { + int fd; + + fd = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, family); + if (fd < 0) + return -errno; + + return fd; +} + +int socket_bind(sd_netlink *nl) { + socklen_t addrlen; + int r, one = 1; + + r = setsockopt(nl->fd, SOL_NETLINK, NETLINK_PKTINFO, &one, sizeof(one)); + if (r < 0) + return -errno; + + addrlen = sizeof(nl->sockaddr); + + r = bind(nl->fd, &nl->sockaddr.sa, addrlen); + /* ignore EINVAL to allow opening an already bound socket */ + if (r < 0 && errno != EINVAL) + return -errno; + + r = getsockname(nl->fd, &nl->sockaddr.sa, &addrlen); + if (r < 0) + return -errno; + + return 0; +} + + +int socket_join_broadcast_group(sd_netlink *nl, unsigned group) { + int r; + + assert(nl); + assert(nl->fd >= 0); + assert(group > 0); + + r = setsockopt(nl->fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &group, sizeof(group)); + if (r < 0) + return -errno; + + return 0; +} + +/* returns the number of bytes sent, or a negative error code */ +int socket_write_message(sd_netlink *nl, sd_netlink_message *m) { + union { + struct sockaddr sa; + struct sockaddr_nl nl; + } addr = { + .nl.nl_family = AF_NETLINK, + }; + ssize_t k; + + assert(nl); + assert(m); + assert(m->hdr); + + k = sendto(nl->fd, m->hdr, m->hdr->nlmsg_len, + 0, &addr.sa, sizeof(addr)); + if (k < 0) + return -errno; + + return k; +} + +static int socket_recv_message(int fd, struct iovec *iov, uint32_t *_group, bool peek) { + union sockaddr_union sender; + uint8_t cmsg_buffer[CMSG_SPACE(sizeof(struct nl_pktinfo))]; + struct msghdr msg = { + .msg_iov = iov, + .msg_iovlen = 1, + .msg_name = &sender, + .msg_namelen = sizeof(sender), + .msg_control = cmsg_buffer, + .msg_controllen = sizeof(cmsg_buffer), + }; + struct cmsghdr *cmsg; + uint32_t group = 0; + int r; + + assert(fd >= 0); + assert(iov); + + r = recvmsg(fd, &msg, MSG_TRUNC | (peek ? MSG_PEEK : 0)); + if (r < 0) { + /* no data */ + if (errno == ENOBUFS) + log_debug("rtnl: kernel receive buffer overrun"); + else if (errno == EAGAIN) + log_debug("rtnl: no data in socket"); + + return (errno == EAGAIN || errno == EINTR) ? 0 : -errno; + } + + if (sender.nl.nl_pid != 0) { + /* not from the kernel, ignore */ + log_debug("rtnl: ignoring message from portid %"PRIu32, sender.nl.nl_pid); + + if (peek) { + /* drop the message */ + r = recvmsg(fd, &msg, 0); + if (r < 0) + return (errno == EAGAIN || errno == EINTR) ? 0 : -errno; + } + + return 0; + } + + CMSG_FOREACH(cmsg, &msg) { + if (cmsg->cmsg_level == SOL_NETLINK && + cmsg->cmsg_type == NETLINK_PKTINFO && + cmsg->cmsg_len == CMSG_LEN(sizeof(struct nl_pktinfo))) { + struct nl_pktinfo *pktinfo = (void *)CMSG_DATA(cmsg); + + /* multi-cast group */ + group = pktinfo->group; + } + } + + if (_group) + *_group = group; + + return r; +} + +/* On success, the number of bytes received is returned and *ret points to the received message + * which has a valid header and the correct size. + * If nothing useful was received 0 is returned. + * On failure, a negative error code is returned. + */ +int socket_read_message(sd_netlink *rtnl) { + _cleanup_netlink_message_unref_ sd_netlink_message *first = NULL; + struct iovec iov = {}; + uint32_t group = 0; + bool multi_part = false, done = false; + struct nlmsghdr *new_msg; + size_t len; + int r; + unsigned i = 0; + + assert(rtnl); + assert(rtnl->rbuffer); + assert(rtnl->rbuffer_allocated >= sizeof(struct nlmsghdr)); + + /* read nothing, just get the pending message size */ + r = socket_recv_message(rtnl->fd, &iov, NULL, true); + if (r <= 0) + return r; + else + len = (size_t)r; + + /* make room for the pending message */ + if (!greedy_realloc((void **)&rtnl->rbuffer, + &rtnl->rbuffer_allocated, + len, sizeof(uint8_t))) + return -ENOMEM; + + iov.iov_base = rtnl->rbuffer; + iov.iov_len = rtnl->rbuffer_allocated; + + /* read the pending message */ + r = socket_recv_message(rtnl->fd, &iov, &group, false); + if (r <= 0) + return r; + else + len = (size_t)r; + + if (len > rtnl->rbuffer_allocated) + /* message did not fit in read buffer */ + return -EIO; + + if (NLMSG_OK(rtnl->rbuffer, len) && rtnl->rbuffer->nlmsg_flags & NLM_F_MULTI) { + multi_part = true; + + for (i = 0; i < rtnl->rqueue_partial_size; i++) { + if (rtnl_message_get_serial(rtnl->rqueue_partial[i]) == + rtnl->rbuffer->nlmsg_seq) { + first = rtnl->rqueue_partial[i]; + break; + } + } + } + + for (new_msg = rtnl->rbuffer; NLMSG_OK(new_msg, len) && !done; new_msg = NLMSG_NEXT(new_msg, len)) { + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + const NLType *nl_type; + + if (!group && new_msg->nlmsg_pid != rtnl->sockaddr.nl.nl_pid) + /* not broadcast and not for us */ + continue; + + if (new_msg->nlmsg_type == NLMSG_NOOP) + /* silently drop noop messages */ + continue; + + if (new_msg->nlmsg_type == NLMSG_DONE) { + /* finished reading multi-part message */ + done = true; + + /* if first is not defined, put NLMSG_DONE into the receive queue. */ + if (first) + continue; + } + + /* check that we support this message type */ + r = type_system_get_type(NULL, &nl_type, new_msg->nlmsg_type); + if (r < 0) { + if (r == -EOPNOTSUPP) + log_debug("sd-netlink: ignored message with unknown type: %i", + new_msg->nlmsg_type); + + continue; + } + + /* check that the size matches the message type */ + if (new_msg->nlmsg_len < NLMSG_LENGTH(nl_type->size)) { + log_debug("sd-netlink: message larger than expected, dropping"); + continue; + } + + r = message_new_empty(rtnl, &m); + if (r < 0) + return r; + + m->broadcast = !!group; + + m->hdr = memdup(new_msg, new_msg->nlmsg_len); + if (!m->hdr) + return -ENOMEM; + + /* seal and parse the top-level message */ + r = sd_netlink_message_rewind(m); + if (r < 0) + return r; + + /* push the message onto the multi-part message stack */ + if (first) + m->next = first; + first = m; + m = NULL; + } + + if (len) + log_debug("sd-netlink: discarding %zu bytes of incoming message", len); + + if (!first) + return 0; + + if (!multi_part || done) { + /* we got a complete message, push it on the read queue */ + r = rtnl_rqueue_make_room(rtnl); + if (r < 0) + return r; + + rtnl->rqueue[rtnl->rqueue_size ++] = first; + first = NULL; + + if (multi_part && (i < rtnl->rqueue_partial_size)) { + /* remove the message form the partial read queue */ + memmove(rtnl->rqueue_partial + i,rtnl->rqueue_partial + i + 1, + sizeof(sd_netlink_message*) * (rtnl->rqueue_partial_size - i - 1)); + rtnl->rqueue_partial_size --; + } + + return 1; + } else { + /* we only got a partial multi-part message, push it on the + partial read queue */ + if (i < rtnl->rqueue_partial_size) { + rtnl->rqueue_partial[i] = first; + } else { + r = rtnl_rqueue_partial_make_room(rtnl); + if (r < 0) + return r; + + rtnl->rqueue_partial[rtnl->rqueue_partial_size ++] = first; + } + first = NULL; + + return 0; + } +} diff --git a/src/libsystemd/sd-rtnl/rtnl-types.c b/src/libsystemd/sd-netlink/netlink-types.c index d211684ff1..273033770f 100644 --- a/src/libsystemd/sd-rtnl/rtnl-types.c +++ b/src/libsystemd/sd-netlink/netlink-types.c @@ -36,7 +36,7 @@ #include "macro.h" #include "util.h" -#include "rtnl-types.h" +#include "netlink-types.h" #include "missing.h" static const NLTypeSystem rtnl_link_type_system; diff --git a/src/libsystemd/sd-rtnl/rtnl-types.h b/src/libsystemd/sd-netlink/netlink-types.h index de1544bf36..de1544bf36 100644 --- a/src/libsystemd/sd-rtnl/rtnl-types.h +++ b/src/libsystemd/sd-netlink/netlink-types.h diff --git a/src/libsystemd/sd-rtnl/rtnl-util.c b/src/libsystemd/sd-netlink/netlink-util.c index c2b1a5c65d..482ff6b1c2 100644 --- a/src/libsystemd/sd-rtnl/rtnl-util.c +++ b/src/libsystemd/sd-netlink/netlink-util.c @@ -20,13 +20,13 @@ ***/ -#include "sd-rtnl.h" +#include "sd-netlink.h" -#include "rtnl-util.h" -#include "rtnl-internal.h" +#include "netlink-util.h" +#include "netlink-internal.h" -int rtnl_set_link_name(sd_rtnl **rtnl, int ifindex, const char *name) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL; +int rtnl_set_link_name(sd_netlink **rtnl, int ifindex, const char *name) { + _cleanup_netlink_message_unref_ sd_netlink_message *message = NULL; int r; assert(rtnl); @@ -34,7 +34,7 @@ int rtnl_set_link_name(sd_rtnl **rtnl, int ifindex, const char *name) { assert(name); if (!*rtnl) { - r = sd_rtnl_open(rtnl); + r = sd_netlink_open(rtnl); if (r < 0) return r; } @@ -43,20 +43,20 @@ int rtnl_set_link_name(sd_rtnl **rtnl, int ifindex, const char *name) { if (r < 0) return r; - r = sd_rtnl_message_append_string(message, IFLA_IFNAME, name); + r = sd_netlink_message_append_string(message, IFLA_IFNAME, name); if (r < 0) return r; - r = sd_rtnl_call(*rtnl, message, 0, NULL); + r = sd_netlink_call(*rtnl, message, 0, NULL); if (r < 0) return r; return 0; } -int rtnl_set_link_properties(sd_rtnl **rtnl, int ifindex, const char *alias, +int rtnl_set_link_properties(sd_netlink **rtnl, int ifindex, const char *alias, const struct ether_addr *mac, unsigned mtu) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *message = NULL; int r; assert(rtnl); @@ -66,7 +66,7 @@ int rtnl_set_link_properties(sd_rtnl **rtnl, int ifindex, const char *alias, return 0; if (!*rtnl) { - r = sd_rtnl_open(rtnl); + r = sd_netlink_open(rtnl); if (r < 0) return r; } @@ -76,31 +76,31 @@ int rtnl_set_link_properties(sd_rtnl **rtnl, int ifindex, const char *alias, return r; if (alias) { - r = sd_rtnl_message_append_string(message, IFLA_IFALIAS, alias); + r = sd_netlink_message_append_string(message, IFLA_IFALIAS, alias); if (r < 0) return r; } if (mac) { - r = sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, mac); + r = sd_netlink_message_append_ether_addr(message, IFLA_ADDRESS, mac); if (r < 0) return r; } if (mtu > 0) { - r = sd_rtnl_message_append_u32(message, IFLA_MTU, mtu); + r = sd_netlink_message_append_u32(message, IFLA_MTU, mtu); if (r < 0) return r; } - r = sd_rtnl_call(*rtnl, message, 0, NULL); + r = sd_netlink_call(*rtnl, message, 0, NULL); if (r < 0) return r; return 0; } -int rtnl_message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message **ret) { +int rtnl_message_new_synthetic_error(int error, uint32_t serial, sd_netlink_message **ret) { struct nlmsgerr *err; int r; diff --git a/src/libsystemd/sd-rtnl/rtnl-util.h b/src/libsystemd/sd-netlink/netlink-util.h index 9e4bdb867e..9df0aa28bf 100644 --- a/src/libsystemd/sd-rtnl/rtnl-util.h +++ b/src/libsystemd/sd-netlink/netlink-util.h @@ -23,25 +23,25 @@ #include "util.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" -int rtnl_message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message **ret); -uint32_t rtnl_message_get_serial(sd_rtnl_message *m); -void rtnl_message_seal(sd_rtnl_message *m); +int rtnl_message_new_synthetic_error(int error, uint32_t serial, sd_netlink_message **ret); +uint32_t rtnl_message_get_serial(sd_netlink_message *m); +void rtnl_message_seal(sd_netlink_message *m); bool rtnl_message_type_is_link(uint16_t type); bool rtnl_message_type_is_addr(uint16_t type); bool rtnl_message_type_is_route(uint16_t type); bool rtnl_message_type_is_neigh(uint16_t type); -int rtnl_set_link_name(sd_rtnl **rtnl, int ifindex, const char *name); -int rtnl_set_link_properties(sd_rtnl **rtnl, int ifindex, const char *alias, const struct ether_addr *mac, unsigned mtu); +int rtnl_set_link_name(sd_netlink **rtnl, int ifindex, const char *name); +int rtnl_set_link_properties(sd_netlink **rtnl, int ifindex, const char *alias, const struct ether_addr *mac, unsigned mtu); int rtnl_log_parse_error(int r); int rtnl_log_create_error(int r); -DEFINE_TRIVIAL_CLEANUP_FUNC(sd_rtnl*, sd_rtnl_unref); -DEFINE_TRIVIAL_CLEANUP_FUNC(sd_rtnl_message*, sd_rtnl_message_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_netlink*, sd_netlink_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_netlink_message*, sd_netlink_message_unref); -#define _cleanup_rtnl_unref_ _cleanup_(sd_rtnl_unrefp) -#define _cleanup_rtnl_message_unref_ _cleanup_(sd_rtnl_message_unrefp) +#define _cleanup_netlink_unref_ _cleanup_(sd_netlink_unrefp) +#define _cleanup_netlink_message_unref_ _cleanup_(sd_netlink_message_unrefp) diff --git a/src/libsystemd/sd-netlink/rtnl-message.c b/src/libsystemd/sd-netlink/rtnl-message.c new file mode 100644 index 0000000000..2f31f4ee69 --- /dev/null +++ b/src/libsystemd/sd-netlink/rtnl-message.c @@ -0,0 +1,588 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <netinet/in.h> +#include <stdbool.h> +#include <unistd.h> + +#include "util.h" +#include "socket-util.h" +#include "formats-util.h" +#include "refcnt.h" +#include "missing.h" + +#include "sd-netlink.h" +#include "netlink-util.h" +#include "netlink-internal.h" +#include "netlink-types.h" + +int sd_rtnl_message_route_set_dst_prefixlen(sd_netlink_message *m, unsigned char prefixlen) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + if ((rtm->rtm_family == AF_INET && prefixlen > 32) || + (rtm->rtm_family == AF_INET6 && prefixlen > 128)) + return -ERANGE; + + rtm->rtm_dst_len = prefixlen; + + return 0; +} + +int sd_rtnl_message_route_set_src_prefixlen(sd_netlink_message *m, unsigned char prefixlen) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + if ((rtm->rtm_family == AF_INET && prefixlen > 32) || + (rtm->rtm_family == AF_INET6 && prefixlen > 128)) + return -ERANGE; + + rtm->rtm_src_len = prefixlen; + + return 0; +} + +int sd_rtnl_message_route_set_scope(sd_netlink_message *m, unsigned char scope) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + rtm->rtm_scope = scope; + + return 0; +} + +int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + assert_return(family, -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + *family = rtm->rtm_family; + + return 0; +} + +int sd_rtnl_message_route_get_dst_prefixlen(sd_netlink_message *m, unsigned char *dst_len) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + assert_return(dst_len, -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + *dst_len = rtm->rtm_dst_len; + + return 0; +} + +int sd_rtnl_message_route_get_src_prefixlen(sd_netlink_message *m, unsigned char *src_len) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + assert_return(src_len, -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + *src_len = rtm->rtm_src_len; + + return 0; +} + +int sd_rtnl_message_new_route(sd_netlink *rtnl, sd_netlink_message **ret, + uint16_t nlmsg_type, int rtm_family, + unsigned char rtm_protocol) { + struct rtmsg *rtm; + int r; + + assert_return(rtnl_message_type_is_route(nlmsg_type), -EINVAL); + assert_return((nlmsg_type == RTM_GETROUTE && rtm_family == AF_UNSPEC) || + rtm_family == AF_INET || rtm_family == AF_INET6, -EINVAL); + assert_return(ret, -EINVAL); + + r = message_new(rtnl, ret, nlmsg_type); + if (r < 0) + return r; + + if (nlmsg_type == RTM_NEWROUTE) + (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_APPEND; + + rtm = NLMSG_DATA((*ret)->hdr); + + rtm->rtm_family = rtm_family; + rtm->rtm_scope = RT_SCOPE_UNIVERSE; + rtm->rtm_type = RTN_UNICAST; + rtm->rtm_table = RT_TABLE_MAIN; + rtm->rtm_protocol = rtm_protocol; + + return 0; +} + +int sd_rtnl_message_neigh_set_flags(sd_netlink_message *m, uint8_t flags) { + struct ndmsg *ndm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); + + ndm = NLMSG_DATA(m->hdr); + ndm->ndm_flags |= flags; + + return 0; +} + +int sd_rtnl_message_neigh_set_state(sd_netlink_message *m, uint16_t state) { + struct ndmsg *ndm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); + + ndm = NLMSG_DATA(m->hdr); + ndm->ndm_state |= state; + + return 0; +} + +int sd_rtnl_message_neigh_get_flags(sd_netlink_message *m, uint8_t *flags) { + struct ndmsg *ndm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); + + ndm = NLMSG_DATA(m->hdr); + *flags = ndm->ndm_flags; + + return 0; +} + +int sd_rtnl_message_neigh_get_state(sd_netlink_message *m, uint16_t *state) { + struct ndmsg *ndm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); + + ndm = NLMSG_DATA(m->hdr); + *state = ndm->ndm_state; + + return 0; +} + +int sd_rtnl_message_neigh_get_family(sd_netlink_message *m, int *family) { + struct ndmsg *ndm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); + assert_return(family, -EINVAL); + + ndm = NLMSG_DATA(m->hdr); + + *family = ndm->ndm_family; + + return 0; +} + +int sd_rtnl_message_neigh_get_ifindex(sd_netlink_message *m, int *index) { + struct ndmsg *ndm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); + assert_return(index, -EINVAL); + + ndm = NLMSG_DATA(m->hdr); + + *index = ndm->ndm_ifindex; + + return 0; +} + +int sd_rtnl_message_new_neigh(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int index, int ndm_family) { + struct ndmsg *ndm; + int r; + + assert_return(rtnl_message_type_is_neigh(nlmsg_type), -EINVAL); + assert_return(ndm_family == AF_INET || + ndm_family == AF_INET6 || + ndm_family == PF_BRIDGE, -EINVAL); + assert_return(ret, -EINVAL); + + r = message_new(rtnl, ret, nlmsg_type); + if (r < 0) + return r; + + if (nlmsg_type == RTM_NEWNEIGH) + (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_APPEND; + + ndm = NLMSG_DATA((*ret)->hdr); + + ndm->ndm_family = ndm_family; + ndm->ndm_ifindex = index; + + return 0; +} + +int sd_rtnl_message_link_set_flags(sd_netlink_message *m, unsigned flags, unsigned change) { + struct ifinfomsg *ifi; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); + assert_return(change, -EINVAL); + + ifi = NLMSG_DATA(m->hdr); + + ifi->ifi_flags = flags; + ifi->ifi_change = change; + + return 0; +} + +int sd_rtnl_message_link_set_type(sd_netlink_message *m, unsigned type) { + struct ifinfomsg *ifi; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); + + ifi = NLMSG_DATA(m->hdr); + + ifi->ifi_type = type; + + return 0; +} + +int sd_rtnl_message_link_set_family(sd_netlink_message *m, unsigned family) { + struct ifinfomsg *ifi; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); + + ifi = NLMSG_DATA(m->hdr); + + ifi->ifi_family = family; + + return 0; +} + +int sd_rtnl_message_new_link(sd_netlink *rtnl, sd_netlink_message **ret, + uint16_t nlmsg_type, int index) { + struct ifinfomsg *ifi; + int r; + + assert_return(rtnl_message_type_is_link(nlmsg_type), -EINVAL); + assert_return(nlmsg_type != RTM_DELLINK || index > 0, -EINVAL); + assert_return(ret, -EINVAL); + + r = message_new(rtnl, ret, nlmsg_type); + if (r < 0) + return r; + + if (nlmsg_type == RTM_NEWLINK) + (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL; + + ifi = NLMSG_DATA((*ret)->hdr); + + ifi->ifi_family = AF_UNSPEC; + ifi->ifi_index = index; + + return 0; +} + +int sd_rtnl_message_addr_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + if ((ifa->ifa_family == AF_INET && prefixlen > 32) || + (ifa->ifa_family == AF_INET6 && prefixlen > 128)) + return -ERANGE; + + ifa->ifa_prefixlen = prefixlen; + + return 0; +} + +int sd_rtnl_message_addr_set_flags(sd_netlink_message *m, unsigned char flags) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + ifa->ifa_flags = flags; + + return 0; +} + +int sd_rtnl_message_addr_set_scope(sd_netlink_message *m, unsigned char scope) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + ifa->ifa_scope = scope; + + return 0; +} + +int sd_rtnl_message_addr_get_family(sd_netlink_message *m, int *family) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + assert_return(family, -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + *family = ifa->ifa_family; + + return 0; +} + +int sd_rtnl_message_addr_get_prefixlen(sd_netlink_message *m, unsigned char *prefixlen) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + assert_return(prefixlen, -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + *prefixlen = ifa->ifa_prefixlen; + + return 0; +} + +int sd_rtnl_message_addr_get_scope(sd_netlink_message *m, unsigned char *scope) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + assert_return(scope, -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + *scope = ifa->ifa_scope; + + return 0; +} + +int sd_rtnl_message_addr_get_flags(sd_netlink_message *m, unsigned char *flags) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + assert_return(flags, -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + *flags = ifa->ifa_flags; + + return 0; +} + +int sd_rtnl_message_addr_get_ifindex(sd_netlink_message *m, int *ifindex) { + struct ifaddrmsg *ifa; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); + assert_return(ifindex, -EINVAL); + + ifa = NLMSG_DATA(m->hdr); + + *ifindex = ifa->ifa_index; + + return 0; +} + +int sd_rtnl_message_new_addr(sd_netlink *rtnl, sd_netlink_message **ret, + uint16_t nlmsg_type, int index, + int family) { + struct ifaddrmsg *ifa; + int r; + + assert_return(rtnl_message_type_is_addr(nlmsg_type), -EINVAL); + assert_return((nlmsg_type == RTM_GETADDR && index == 0) || + index > 0, -EINVAL); + assert_return((nlmsg_type == RTM_GETADDR && family == AF_UNSPEC) || + family == AF_INET || family == AF_INET6, -EINVAL); + assert_return(ret, -EINVAL); + + r = message_new(rtnl, ret, nlmsg_type); + if (r < 0) + return r; + + if (nlmsg_type == RTM_GETADDR) + (*ret)->hdr->nlmsg_flags |= NLM_F_DUMP; + + ifa = NLMSG_DATA((*ret)->hdr); + + ifa->ifa_index = index; + ifa->ifa_family = family; + if (family == AF_INET) + ifa->ifa_prefixlen = 32; + else if (family == AF_INET6) + ifa->ifa_prefixlen = 128; + + return 0; +} + +int sd_rtnl_message_new_addr_update(sd_netlink *rtnl, sd_netlink_message **ret, + int index, int family) { + int r; + + r = sd_rtnl_message_new_addr(rtnl, ret, RTM_NEWADDR, index, family); + if (r < 0) + return r; + + (*ret)->hdr->nlmsg_flags |= NLM_F_REPLACE; + + return 0; +} + +int sd_rtnl_message_link_get_ifindex(sd_netlink_message *m, int *ifindex) { + struct ifinfomsg *ifi; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); + assert_return(ifindex, -EINVAL); + + ifi = NLMSG_DATA(m->hdr); + + *ifindex = ifi->ifi_index; + + return 0; +} + +int sd_rtnl_message_link_get_flags(sd_netlink_message *m, unsigned *flags) { + struct ifinfomsg *ifi; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); + assert_return(flags, -EINVAL); + + ifi = NLMSG_DATA(m->hdr); + + *flags = ifi->ifi_flags; + + return 0; +} + +int sd_rtnl_message_link_get_type(sd_netlink_message *m, unsigned *type) { + struct ifinfomsg *ifi; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); + assert_return(type, -EINVAL); + + ifi = NLMSG_DATA(m->hdr); + + *type = ifi->ifi_type; + + return 0; +} + +int sd_rtnl_message_get_family(sd_netlink_message *m, int *family) { + assert_return(m, -EINVAL); + assert_return(family, -EINVAL); + + assert(m->hdr); + + if (rtnl_message_type_is_link(m->hdr->nlmsg_type)) { + struct ifinfomsg *ifi; + + ifi = NLMSG_DATA(m->hdr); + + *family = ifi->ifi_family; + + return 0; + } else if (rtnl_message_type_is_route(m->hdr->nlmsg_type)) { + struct rtmsg *rtm; + + rtm = NLMSG_DATA(m->hdr); + + *family = rtm->rtm_family; + + return 0; + } else if (rtnl_message_type_is_neigh(m->hdr->nlmsg_type)) { + struct ndmsg *ndm; + + ndm = NLMSG_DATA(m->hdr); + + *family = ndm->ndm_family; + + return 0; + } else if (rtnl_message_type_is_addr(m->hdr->nlmsg_type)) { + struct ifaddrmsg *ifa; + + ifa = NLMSG_DATA(m->hdr); + + *family = ifa->ifa_family; + + return 0; + } + + return -EOPNOTSUPP; +} diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-netlink/sd-netlink.c index 5bafc282c0..c413b1c266 100644 --- a/src/libsystemd/sd-rtnl/sd-rtnl.c +++ b/src/libsystemd/sd-netlink/sd-netlink.c @@ -27,16 +27,16 @@ #include "util.h" #include "hashmap.h" -#include "sd-rtnl.h" -#include "rtnl-internal.h" -#include "rtnl-util.h" +#include "sd-netlink.h" +#include "netlink-internal.h" +#include "netlink-util.h" -static int sd_rtnl_new(sd_rtnl **ret) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; +static int sd_netlink_new(sd_netlink **ret) { + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; assert_return(ret, -EINVAL); - rtnl = new0(sd_rtnl, 1); + rtnl = new0(sd_netlink, 1); if (!rtnl) return -ENOMEM; @@ -50,11 +50,6 @@ static int sd_rtnl_new(sd_rtnl **ret) { LIST_HEAD_INIT(rtnl->match_callbacks); - /* We guarantee that wqueue always has space for at least - * one entry */ - if (!GREEDY_REALLOC(rtnl->wqueue, rtnl->wqueue_allocated, 1)) - return -ENOMEM; - /* We guarantee that the read buffer has at least space for * a message header */ if (!greedy_realloc((void**)&rtnl->rbuffer, &rtnl->rbuffer_allocated, @@ -72,14 +67,14 @@ static int sd_rtnl_new(sd_rtnl **ret) { return 0; } -int sd_rtnl_new_from_netlink(sd_rtnl **ret, int fd) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; +int sd_netlink_new_from_netlink(sd_netlink **ret, int fd) { + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; socklen_t addrlen; int r; assert_return(ret, -EINVAL); - r = sd_rtnl_new(&rtnl); + r = sd_netlink_new(&rtnl); if (r < 0) return r; @@ -97,7 +92,7 @@ int sd_rtnl_new_from_netlink(sd_rtnl **ret, int fd) { return 0; } -static bool rtnl_pid_changed(sd_rtnl *rtnl) { +static bool rtnl_pid_changed(sd_netlink *rtnl) { assert(rtnl); /* We don't support people creating an rtnl connection and @@ -106,34 +101,22 @@ static bool rtnl_pid_changed(sd_rtnl *rtnl) { return rtnl->original_pid != getpid(); } -int sd_rtnl_open_fd(sd_rtnl **ret, int fd) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - socklen_t addrlen; - int r, one = 1; +int sd_netlink_open_fd(sd_netlink **ret, int fd) { + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; + int r; assert_return(ret, -EINVAL); assert_return(fd >= 0, -EINVAL); - r = sd_rtnl_new(&rtnl); + r = sd_netlink_new(&rtnl); if (r < 0) return r; - r = setsockopt(fd, SOL_NETLINK, NETLINK_PKTINFO, &one, sizeof(one)); - if (r < 0) - return -errno; - - addrlen = sizeof(rtnl->sockaddr); - - r = bind(fd, &rtnl->sockaddr.sa, addrlen); - /* ignore EINVAL to allow opening an already bound socket */ - if (r < 0 && errno != EINVAL) - return -errno; + rtnl->fd = fd; - r = getsockname(fd, &rtnl->sockaddr.sa, &addrlen); + r = socket_bind(rtnl); if (r < 0) - return -errno; - - rtnl->fd = fd; + return r; *ret = rtnl; rtnl = NULL; @@ -141,15 +124,15 @@ int sd_rtnl_open_fd(sd_rtnl **ret, int fd) { return 0; } -int sd_rtnl_open(sd_rtnl **ret) { +int sd_netlink_open(sd_netlink **ret) { _cleanup_close_ int fd = -1; int r; - fd = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_ROUTE); + fd = socket_open(NETLINK_ROUTE); if (fd < 0) - return -errno; + return fd; - r = sd_rtnl_open_fd(ret, fd); + r = sd_netlink_open_fd(ret, fd); if (r < 0) return r; @@ -158,25 +141,11 @@ int sd_rtnl_open(sd_rtnl **ret) { return 0; } -static int rtnl_join_broadcast_group(sd_rtnl *rtnl, unsigned group) { - int r; - - assert(rtnl); - assert(rtnl->fd >= 0); - assert(group > 0); - - r = setsockopt(rtnl->fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &group, sizeof(group)); - if (r < 0) - return -errno; - - return 0; -} - -int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size) { +int sd_netlink_inc_rcvbuf(const sd_netlink *const rtnl, const int size) { return fd_inc_rcvbuf(rtnl->fd, size); } -sd_rtnl *sd_rtnl_ref(sd_rtnl *rtnl) { +sd_netlink *sd_netlink_ref(sd_netlink *rtnl) { assert_return(rtnl, NULL); assert_return(!rtnl_pid_changed(rtnl), NULL); @@ -186,7 +155,7 @@ sd_rtnl *sd_rtnl_ref(sd_rtnl *rtnl) { return rtnl; } -sd_rtnl *sd_rtnl_unref(sd_rtnl *rtnl) { +sd_netlink *sd_netlink_unref(sd_netlink *rtnl) { if (!rtnl) return NULL; @@ -197,17 +166,13 @@ sd_rtnl *sd_rtnl_unref(sd_rtnl *rtnl) { unsigned i; for (i = 0; i < rtnl->rqueue_size; i++) - sd_rtnl_message_unref(rtnl->rqueue[i]); + sd_netlink_message_unref(rtnl->rqueue[i]); free(rtnl->rqueue); for (i = 0; i < rtnl->rqueue_partial_size; i++) - sd_rtnl_message_unref(rtnl->rqueue_partial[i]); + sd_netlink_message_unref(rtnl->rqueue_partial[i]); free(rtnl->rqueue_partial); - for (i = 0; i < rtnl->wqueue_size; i++) - sd_rtnl_message_unref(rtnl->wqueue[i]); - free(rtnl->wqueue); - free(rtnl->rbuffer); hashmap_free_free(rtnl->reply_callbacks); @@ -215,7 +180,6 @@ sd_rtnl *sd_rtnl_unref(sd_rtnl *rtnl) { sd_event_source_unref(rtnl->io_event_source); sd_event_source_unref(rtnl->time_event_source); - sd_event_source_unref(rtnl->exit_event_source); sd_event_unref(rtnl->event); while ((f = rtnl->match_callbacks)) { @@ -230,7 +194,7 @@ sd_rtnl *sd_rtnl_unref(sd_rtnl *rtnl) { return NULL; } -static void rtnl_seal_message(sd_rtnl *rtnl, sd_rtnl_message *m) { +static void rtnl_seal_message(sd_netlink *rtnl, sd_netlink_message *m) { assert(rtnl); assert(!rtnl_pid_changed(rtnl)); assert(m); @@ -245,8 +209,8 @@ static void rtnl_seal_message(sd_rtnl *rtnl, sd_rtnl_message *m) { return; } -int sd_rtnl_send(sd_rtnl *nl, - sd_rtnl_message *message, +int sd_netlink_send(sd_netlink *nl, + sd_netlink_message *message, uint32_t *serial) { int r; @@ -257,29 +221,9 @@ int sd_rtnl_send(sd_rtnl *nl, rtnl_seal_message(nl, message); - if (nl->wqueue_size <= 0) { - /* send directly */ - r = socket_write_message(nl, message); - if (r < 0) - return r; - else if (r == 0) { - /* nothing was sent, so let's put it on - * the queue */ - nl->wqueue[0] = sd_rtnl_message_ref(message); - nl->wqueue_size = 1; - } - } else { - /* append to queue */ - if (nl->wqueue_size >= RTNL_WQUEUE_MAX) { - log_debug("rtnl: exhausted the write queue size (%d)", RTNL_WQUEUE_MAX); - return -ENOBUFS; - } - - if (!GREEDY_REALLOC(nl->wqueue, nl->wqueue_allocated, nl->wqueue_size + 1)) - return -ENOMEM; - - nl->wqueue[nl->wqueue_size ++] = sd_rtnl_message_ref(message); - } + r = socket_write_message(nl, message); + if (r < 0) + return r; if (serial) *serial = rtnl_message_get_serial(message); @@ -287,7 +231,7 @@ int sd_rtnl_send(sd_rtnl *nl, return 1; } -int rtnl_rqueue_make_room(sd_rtnl *rtnl) { +int rtnl_rqueue_make_room(sd_netlink *rtnl) { assert(rtnl); if (rtnl->rqueue_size >= RTNL_RQUEUE_MAX) { @@ -301,7 +245,7 @@ int rtnl_rqueue_make_room(sd_rtnl *rtnl) { return 0; } -int rtnl_rqueue_partial_make_room(sd_rtnl *rtnl) { +int rtnl_rqueue_partial_make_room(sd_netlink *rtnl) { assert(rtnl); if (rtnl->rqueue_partial_size >= RTNL_RQUEUE_MAX) { @@ -316,7 +260,7 @@ int rtnl_rqueue_partial_make_room(sd_rtnl *rtnl) { return 0; } -static int dispatch_rqueue(sd_rtnl *rtnl, sd_rtnl_message **message) { +static int dispatch_rqueue(sd_netlink *rtnl, sd_netlink_message **message) { int r; assert(rtnl); @@ -332,38 +276,13 @@ static int dispatch_rqueue(sd_rtnl *rtnl, sd_rtnl_message **message) { /* Dispatch a queued message */ *message = rtnl->rqueue[0]; rtnl->rqueue_size --; - memmove(rtnl->rqueue, rtnl->rqueue + 1, sizeof(sd_rtnl_message*) * rtnl->rqueue_size); + memmove(rtnl->rqueue, rtnl->rqueue + 1, sizeof(sd_netlink_message*) * rtnl->rqueue_size); return 1; } -static int dispatch_wqueue(sd_rtnl *rtnl) { - int r, ret = 0; - - assert(rtnl); - - while (rtnl->wqueue_size > 0) { - r = socket_write_message(rtnl, rtnl->wqueue[0]); - if (r < 0) - return r; - else if (r == 0) - /* Didn't do anything this time */ - return ret; - else { - /* see equivalent in sd-bus.c */ - sd_rtnl_message_unref(rtnl->wqueue[0]); - rtnl->wqueue_size --; - memmove(rtnl->wqueue, rtnl->wqueue + 1, sizeof(sd_rtnl_message*) * rtnl->wqueue_size); - - ret = 1; - } - } - - return ret; -} - -static int process_timeout(sd_rtnl *rtnl) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; +static int process_timeout(sd_netlink *rtnl) { + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; struct reply_callback *c; usec_t n; int r; @@ -387,14 +306,14 @@ static int process_timeout(sd_rtnl *rtnl) { r = c->callback(rtnl, m, c->userdata); if (r < 0) - log_debug_errno(r, "sd-rtnl: timedout callback failed: %m"); + log_debug_errno(r, "sd-netlink: timedout callback failed: %m"); free(c); return 1; } -static int process_reply(sd_rtnl *rtnl, sd_rtnl_message *m) { +static int process_reply(sd_netlink *rtnl, sd_netlink_message *m) { _cleanup_free_ struct reply_callback *c = NULL; uint64_t serial; uint16_t type; @@ -411,7 +330,7 @@ static int process_reply(sd_rtnl *rtnl, sd_rtnl_message *m) { if (c->timeout != 0) prioq_remove(rtnl->reply_callbacks_prioq, c, &c->prioq_idx); - r = sd_rtnl_message_get_type(m, &type); + r = sd_netlink_message_get_type(m, &type); if (r < 0) return 0; @@ -420,12 +339,12 @@ static int process_reply(sd_rtnl *rtnl, sd_rtnl_message *m) { r = c->callback(rtnl, m, c->userdata); if (r < 0) - log_debug_errno(r, "sd-rtnl: callback failed: %m"); + log_debug_errno(r, "sd-netlink: callback failed: %m"); return 1; } -static int process_match(sd_rtnl *rtnl, sd_rtnl_message *m) { +static int process_match(sd_netlink *rtnl, sd_netlink_message *m) { struct match_callback *c; uint16_t type; int r; @@ -433,7 +352,7 @@ static int process_match(sd_rtnl *rtnl, sd_rtnl_message *m) { assert(rtnl); assert(m); - r = sd_rtnl_message_get_type(m, &type); + r = sd_netlink_message_get_type(m, &type); if (r < 0) return r; @@ -442,7 +361,7 @@ static int process_match(sd_rtnl *rtnl, sd_rtnl_message *m) { r = c->callback(rtnl, m, c->userdata); if (r != 0) { if (r < 0) - log_debug_errno(r, "sd-rtnl: match callback failed: %m"); + log_debug_errno(r, "sd-netlink: match callback failed: %m"); break; } @@ -452,8 +371,8 @@ static int process_match(sd_rtnl *rtnl, sd_rtnl_message *m) { return 1; } -static int process_running(sd_rtnl *rtnl, sd_rtnl_message **ret) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; +static int process_running(sd_netlink *rtnl, sd_netlink_message **ret) { + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; int r; assert(rtnl); @@ -462,17 +381,13 @@ static int process_running(sd_rtnl *rtnl, sd_rtnl_message **ret) { if (r != 0) goto null_message; - r = dispatch_wqueue(rtnl); - if (r != 0) - goto null_message; - r = dispatch_rqueue(rtnl, &m); if (r < 0) return r; if (!m) goto null_message; - if (sd_rtnl_message_is_broadcast(m)) { + if (sd_netlink_message_is_broadcast(m)) { r = process_match(rtnl, m); if (r != 0) goto null_message; @@ -498,7 +413,7 @@ null_message: return r; } -int sd_rtnl_process(sd_rtnl *rtnl, sd_rtnl_message **ret) { +int sd_netlink_process(sd_netlink *rtnl, sd_netlink_message **ret) { RTNL_DONT_DESTROY(rtnl); int r; @@ -523,7 +438,7 @@ static usec_t calc_elapse(uint64_t usec) { return now(CLOCK_MONOTONIC) + usec; } -static int rtnl_poll(sd_rtnl *rtnl, bool need_more, uint64_t timeout_usec) { +static int rtnl_poll(sd_netlink *rtnl, bool need_more, uint64_t timeout_usec) { struct pollfd p[1] = {}; struct timespec ts; usec_t m = USEC_INFINITY; @@ -531,7 +446,7 @@ static int rtnl_poll(sd_rtnl *rtnl, bool need_more, uint64_t timeout_usec) { assert(rtnl); - e = sd_rtnl_get_events(rtnl); + e = sd_netlink_get_events(rtnl); if (e < 0) return e; @@ -544,7 +459,7 @@ static int rtnl_poll(sd_rtnl *rtnl, bool need_more, uint64_t timeout_usec) { /* Caller wants to process if there is something to * process, but doesn't care otherwise */ - r = sd_rtnl_get_timeout(rtnl, &until); + r = sd_netlink_get_timeout(rtnl, &until); if (r < 0) return r; if (r > 0) { @@ -567,7 +482,7 @@ static int rtnl_poll(sd_rtnl *rtnl, bool need_more, uint64_t timeout_usec) { return r > 0 ? 1 : 0; } -int sd_rtnl_wait(sd_rtnl *nl, uint64_t timeout_usec) { +int sd_netlink_wait(sd_netlink *nl, uint64_t timeout_usec) { assert_return(nl, -EINVAL); assert_return(!rtnl_pid_changed(nl), -ECHILD); @@ -595,9 +510,9 @@ static int timeout_compare(const void *a, const void *b) { return 0; } -int sd_rtnl_call_async(sd_rtnl *nl, - sd_rtnl_message *m, - sd_rtnl_message_handler_t callback, +int sd_netlink_call_async(sd_netlink *nl, + sd_netlink_message *m, + sd_netlink_message_handler_t callback, void *userdata, uint64_t usec, uint32_t *serial) { @@ -628,7 +543,7 @@ int sd_rtnl_call_async(sd_rtnl *nl, c->userdata = userdata; c->timeout = calc_elapse(usec); - k = sd_rtnl_send(nl, m, &s); + k = sd_netlink_send(nl, m, &s); if (k < 0) { free(c); return k; @@ -646,7 +561,7 @@ int sd_rtnl_call_async(sd_rtnl *nl, r = prioq_put(nl->reply_callbacks_prioq, c, &c->prioq_idx); if (r > 0) { c->timeout = 0; - sd_rtnl_call_async_cancel(nl, c->serial); + sd_netlink_call_async_cancel(nl, c->serial); return r; } } @@ -657,7 +572,7 @@ int sd_rtnl_call_async(sd_rtnl *nl, return k; } -int sd_rtnl_call_async_cancel(sd_rtnl *nl, uint32_t serial) { +int sd_netlink_call_async_cancel(sd_netlink *nl, uint32_t serial) { struct reply_callback *c; uint64_t s = serial; @@ -676,10 +591,10 @@ int sd_rtnl_call_async_cancel(sd_rtnl *nl, uint32_t serial) { return 1; } -int sd_rtnl_call(sd_rtnl *rtnl, - sd_rtnl_message *message, +int sd_netlink_call(sd_netlink *rtnl, + sd_netlink_message *message, uint64_t usec, - sd_rtnl_message **ret) { + sd_netlink_message **ret) { usec_t timeout; uint32_t serial; int r; @@ -688,7 +603,7 @@ int sd_rtnl_call(sd_rtnl *rtnl, assert_return(!rtnl_pid_changed(rtnl), -ECHILD); assert_return(message, -EINVAL); - r = sd_rtnl_send(rtnl, message, &serial); + r = sd_netlink_send(rtnl, message, &serial); if (r < 0) return r; @@ -704,21 +619,21 @@ int sd_rtnl_call(sd_rtnl *rtnl, received_serial = rtnl_message_get_serial(rtnl->rqueue[i]); if (received_serial == serial) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *incoming = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *incoming = NULL; uint16_t type; incoming = rtnl->rqueue[i]; /* found a match, remove from rqueue and return it */ memmove(rtnl->rqueue + i,rtnl->rqueue + i + 1, - sizeof(sd_rtnl_message*) * (rtnl->rqueue_size - i - 1)); + sizeof(sd_netlink_message*) * (rtnl->rqueue_size - i - 1)); rtnl->rqueue_size--; - r = sd_rtnl_message_get_errno(incoming); + r = sd_netlink_message_get_errno(incoming); if (r < 0) return r; - r = sd_rtnl_message_get_type(incoming, &type); + r = sd_netlink_message_get_type(incoming, &type); if (r < 0) return r; @@ -759,51 +674,20 @@ int sd_rtnl_call(sd_rtnl *rtnl, return r; else if (r == 0) return -ETIMEDOUT; - - r = dispatch_wqueue(rtnl); - if (r < 0) - return r; } } -int sd_rtnl_flush(sd_rtnl *rtnl) { - int r; - +int sd_netlink_get_events(sd_netlink *rtnl) { assert_return(rtnl, -EINVAL); assert_return(!rtnl_pid_changed(rtnl), -ECHILD); - if (rtnl->wqueue_size <= 0) + if (rtnl->rqueue_size == 0) + return POLLIN; + else return 0; - - for (;;) { - r = dispatch_wqueue(rtnl); - if (r < 0) - return r; - - if (rtnl->wqueue_size <= 0) - return 0; - - r = rtnl_poll(rtnl, false, (uint64_t) -1); - if (r < 0) - return r; - } } -int sd_rtnl_get_events(sd_rtnl *rtnl) { - int flags = 0; - - assert_return(rtnl, -EINVAL); - assert_return(!rtnl_pid_changed(rtnl), -ECHILD); - - if (rtnl->rqueue_size <= 0) - flags |= POLLIN; - if (rtnl->wqueue_size > 0) - flags |= POLLOUT; - - return flags; -} - -int sd_rtnl_get_timeout(sd_rtnl *rtnl, uint64_t *timeout_usec) { +int sd_netlink_get_timeout(sd_netlink *rtnl, uint64_t *timeout_usec) { struct reply_callback *c; assert_return(rtnl, -EINVAL); @@ -827,12 +711,12 @@ int sd_rtnl_get_timeout(sd_rtnl *rtnl, uint64_t *timeout_usec) { } static int io_callback(sd_event_source *s, int fd, uint32_t revents, void *userdata) { - sd_rtnl *rtnl = userdata; + sd_netlink *rtnl = userdata; int r; assert(rtnl); - r = sd_rtnl_process(rtnl, NULL); + r = sd_netlink_process(rtnl, NULL); if (r < 0) return r; @@ -840,12 +724,12 @@ static int io_callback(sd_event_source *s, int fd, uint32_t revents, void *userd } static int time_callback(sd_event_source *s, uint64_t usec, void *userdata) { - sd_rtnl *rtnl = userdata; + sd_netlink *rtnl = userdata; int r; assert(rtnl); - r = sd_rtnl_process(rtnl, NULL); + r = sd_netlink_process(rtnl, NULL); if (r < 0) return r; @@ -853,14 +737,14 @@ static int time_callback(sd_event_source *s, uint64_t usec, void *userdata) { } static int prepare_callback(sd_event_source *s, void *userdata) { - sd_rtnl *rtnl = userdata; + sd_netlink *rtnl = userdata; int r, e; usec_t until; assert(s); assert(rtnl); - e = sd_rtnl_get_events(rtnl); + e = sd_netlink_get_events(rtnl); if (e < 0) return e; @@ -868,7 +752,7 @@ static int prepare_callback(sd_event_source *s, void *userdata) { if (r < 0) return r; - r = sd_rtnl_get_timeout(rtnl, &until); + r = sd_netlink_get_timeout(rtnl, &until); if (r < 0) return r; if (r > 0) { @@ -886,17 +770,7 @@ static int prepare_callback(sd_event_source *s, void *userdata) { return 1; } -static int exit_callback(sd_event_source *event, void *userdata) { - sd_rtnl *rtnl = userdata; - - assert(event); - - sd_rtnl_flush(rtnl); - - return 1; -} - -int sd_rtnl_attach_event(sd_rtnl *rtnl, sd_event *event, int priority) { +int sd_netlink_attach_event(sd_netlink *rtnl, sd_event *event, int priority) { int r; assert_return(rtnl, -EINVAL); @@ -941,43 +815,29 @@ int sd_rtnl_attach_event(sd_rtnl *rtnl, sd_event *event, int priority) { if (r < 0) goto fail; - r = sd_event_add_exit(rtnl->event, &rtnl->exit_event_source, exit_callback, rtnl); - if (r < 0) - goto fail; - - r = sd_event_source_set_description(rtnl->exit_event_source, "rtnl-exit"); - if (r < 0) - goto fail; - return 0; fail: - sd_rtnl_detach_event(rtnl); + sd_netlink_detach_event(rtnl); return r; } -int sd_rtnl_detach_event(sd_rtnl *rtnl) { +int sd_netlink_detach_event(sd_netlink *rtnl) { assert_return(rtnl, -EINVAL); assert_return(rtnl->event, -ENXIO); - if (rtnl->io_event_source) - rtnl->io_event_source = sd_event_source_unref(rtnl->io_event_source); - - if (rtnl->time_event_source) - rtnl->time_event_source = sd_event_source_unref(rtnl->time_event_source); + rtnl->io_event_source = sd_event_source_unref(rtnl->io_event_source); - if (rtnl->exit_event_source) - rtnl->exit_event_source = sd_event_source_unref(rtnl->exit_event_source); + rtnl->time_event_source = sd_event_source_unref(rtnl->time_event_source); - if (rtnl->event) - rtnl->event = sd_event_unref(rtnl->event); + rtnl->event = sd_event_unref(rtnl->event); return 0; } -int sd_rtnl_add_match(sd_rtnl *rtnl, +int sd_netlink_add_match(sd_netlink *rtnl, uint16_t type, - sd_rtnl_message_handler_t callback, + sd_netlink_message_handler_t callback, void *userdata) { _cleanup_free_ struct match_callback *c = NULL; int r; @@ -999,7 +859,7 @@ int sd_rtnl_add_match(sd_rtnl *rtnl, case RTM_SETLINK: case RTM_GETLINK: case RTM_DELLINK: - r = rtnl_join_broadcast_group(rtnl, RTNLGRP_LINK); + r = socket_join_broadcast_group(rtnl, RTNLGRP_LINK); if (r < 0) return r; @@ -1007,11 +867,11 @@ int sd_rtnl_add_match(sd_rtnl *rtnl, case RTM_NEWADDR: case RTM_GETADDR: case RTM_DELADDR: - r = rtnl_join_broadcast_group(rtnl, RTNLGRP_IPV4_IFADDR); + r = socket_join_broadcast_group(rtnl, RTNLGRP_IPV4_IFADDR); if (r < 0) return r; - r = rtnl_join_broadcast_group(rtnl, RTNLGRP_IPV6_IFADDR); + r = socket_join_broadcast_group(rtnl, RTNLGRP_IPV6_IFADDR); if (r < 0) return r; @@ -1027,9 +887,9 @@ int sd_rtnl_add_match(sd_rtnl *rtnl, return 0; } -int sd_rtnl_remove_match(sd_rtnl *rtnl, +int sd_netlink_remove_match(sd_netlink *rtnl, uint16_t type, - sd_rtnl_message_handler_t callback, + sd_netlink_message_handler_t callback, void *userdata) { struct match_callback *c; diff --git a/src/libsystemd/sd-rtnl/test-local-addresses.c b/src/libsystemd/sd-netlink/test-local-addresses.c index 38cbcfbccb..38cbcfbccb 100644 --- a/src/libsystemd/sd-rtnl/test-local-addresses.c +++ b/src/libsystemd/sd-netlink/test-local-addresses.c diff --git a/src/libsystemd/sd-netlink/test-netlink.c b/src/libsystemd/sd-netlink/test-netlink.c new file mode 100644 index 0000000000..c9cb415ca0 --- /dev/null +++ b/src/libsystemd/sd-netlink/test-netlink.c @@ -0,0 +1,440 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <netinet/ether.h> +#include <net/if.h> + +#include "util.h" +#include "macro.h" +#include "sd-netlink.h" +#include "socket-util.h" +#include "netlink-util.h" +#include "event-util.h" +#include "missing.h" + +static void test_message_link_bridge(sd_netlink *rtnl) { + _cleanup_netlink_message_unref_ sd_netlink_message *message = NULL; + uint32_t cost; + + assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_NEWLINK, 1) >= 0); + assert_se(sd_rtnl_message_link_set_family(message, PF_BRIDGE) >= 0); + assert_se(sd_netlink_message_open_container(message, IFLA_PROTINFO) >= 0); + assert_se(sd_netlink_message_append_u32(message, IFLA_BRPORT_COST, 10) >= 0); + assert_se(sd_netlink_message_close_container(message) >= 0); + + assert_se(sd_netlink_message_rewind(message) >= 0); + + assert_se(sd_netlink_message_enter_container(message, IFLA_PROTINFO) >= 0); + assert_se(sd_netlink_message_read_u32(message, IFLA_BRPORT_COST, &cost) >= 0); + assert_se(cost == 10); + assert_se(sd_netlink_message_exit_container(message) >= 0); +} + +static void test_link_configure(sd_netlink *rtnl, int ifindex) { + _cleanup_netlink_message_unref_ sd_netlink_message *message = NULL; + const char *mac = "98:fe:94:3f:c6:18", *name = "test"; + char buffer[ETHER_ADDR_TO_STRING_MAX]; + unsigned int mtu = 1450, mtu_out; + const char *name_out; + struct ether_addr mac_out; + + /* we'd really like to test NEWLINK, but let's not mess with the running kernel */ + assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0); + assert_se(sd_netlink_message_append_string(message, IFLA_IFNAME, name) >= 0); + assert_se(sd_netlink_message_append_ether_addr(message, IFLA_ADDRESS, ether_aton(mac)) >= 0); + assert_se(sd_netlink_message_append_u32(message, IFLA_MTU, mtu) >= 0); + + assert_se(sd_netlink_call(rtnl, message, 0, NULL) == 1); + assert_se(sd_netlink_message_rewind(message) >= 0); + + assert_se(sd_netlink_message_read_string(message, IFLA_IFNAME, &name_out) >= 0); + assert_se(streq(name, name_out)); + + assert_se(sd_netlink_message_read_ether_addr(message, IFLA_ADDRESS, &mac_out) >= 0); + assert_se(streq(mac, ether_addr_to_string(&mac_out, buffer))); + + assert_se(sd_netlink_message_read_u32(message, IFLA_MTU, &mtu_out) >= 0); + assert_se(mtu == mtu_out); +} + +static void test_link_get(sd_netlink *rtnl, int ifindex) { + sd_netlink_message *m; + sd_netlink_message *r; + unsigned int mtu = 1500; + const char *str_data; + uint8_t u8_data; + uint32_t u32_data; + struct ether_addr eth_data; + + assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); + assert_se(m); + + /* u8 test cases */ + assert_se(sd_netlink_message_append_u8(m, IFLA_CARRIER, 0) >= 0); + assert_se(sd_netlink_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0); + assert_se(sd_netlink_message_append_u8(m, IFLA_LINKMODE, 0) >= 0); + + /* u32 test cases */ + assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, mtu) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_GROUP, 0) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_TXQLEN, 0) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0); + + assert_se(sd_netlink_call(rtnl, m, -1, &r) == 1); + + assert_se(sd_netlink_message_read_string(r, IFLA_IFNAME, &str_data) == 0); + + assert_se(sd_netlink_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0); + assert_se(sd_netlink_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0); + assert_se(sd_netlink_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0); + + assert_se(sd_netlink_message_read_u32(r, IFLA_MTU, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_GROUP, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0); + + assert_se(sd_netlink_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0); + + assert_se((m = sd_netlink_message_unref(m)) == NULL); + assert_se((r = sd_netlink_message_unref(r)) == NULL); +} + + +static void test_address_get(sd_netlink *rtnl, int ifindex) { + sd_netlink_message *m; + sd_netlink_message *r; + struct in_addr in_data; + struct ifa_cacheinfo cache; + const char *label; + + assert_se(sd_rtnl_message_new_addr(rtnl, &m, RTM_GETADDR, ifindex, AF_INET) >= 0); + assert_se(m); + + assert_se(sd_netlink_call(rtnl, m, -1, &r) == 1); + + assert_se(sd_netlink_message_read_in_addr(r, IFA_LOCAL, &in_data) == 0); + assert_se(sd_netlink_message_read_in_addr(r, IFA_ADDRESS, &in_data) == 0); + assert_se(sd_netlink_message_read_string(r, IFA_LABEL, &label) == 0); + assert_se(sd_netlink_message_read_cache_info(r, IFA_CACHEINFO, &cache) == 0); + + assert_se((m = sd_netlink_message_unref(m)) == NULL); + assert_se((r = sd_netlink_message_unref(r)) == NULL); + +} + +static void test_route(void) { + _cleanup_netlink_message_unref_ sd_netlink_message *req; + struct in_addr addr, addr_data; + uint32_t index = 2, u32_data; + int r; + + r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC); + if (r < 0) { + log_error_errno(r, "Could not create RTM_NEWROUTE message: %m"); + return; + } + + addr.s_addr = htonl(INADDR_LOOPBACK); + + r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &addr); + if (r < 0) { + log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); + return; + } + + r = sd_netlink_message_append_u32(req, RTA_OIF, index); + if (r < 0) { + log_error_errno(r, "Could not append RTA_OIF attribute: %m"); + return; + } + + assert_se(sd_netlink_message_rewind(req) >= 0); + + assert_se(sd_netlink_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0); + assert_se(addr_data.s_addr == addr.s_addr); + + assert_se(sd_netlink_message_read_u32(req, RTA_OIF, &u32_data) >= 0); + assert_se(u32_data == index); + + assert_se((req = sd_netlink_message_unref(req)) == NULL); +} + +static void test_multiple(void) { + sd_netlink *rtnl1, *rtnl2; + + assert_se(sd_netlink_open(&rtnl1) >= 0); + assert_se(sd_netlink_open(&rtnl2) >= 0); + + rtnl1 = sd_netlink_unref(rtnl1); + rtnl2 = sd_netlink_unref(rtnl2); +} + +static int link_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { + char *ifname = userdata; + const char *data; + + assert_se(rtnl); + assert_se(m); + + log_info("got link info about %s", ifname); + free(ifname); + + assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &data) >= 0); + assert_se(streq(data, "lo")); + + return 1; +} + +static void test_event_loop(int ifindex) { + _cleanup_event_unref_ sd_event *event = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + char *ifname; + + ifname = strdup("lo2"); + assert_se(ifname); + + assert_se(sd_netlink_open(&rtnl) >= 0); + assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); + + assert_se(sd_netlink_call_async(rtnl, m, &link_handler, ifname, 0, NULL) >= 0); + + assert_se(sd_event_default(&event) >= 0); + + assert_se(sd_netlink_attach_event(rtnl, event, 0) >= 0); + + assert_se(sd_event_run(event, 0) >= 0); + + assert_se(sd_netlink_detach_event(rtnl) >= 0); + + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); +} + +static int pipe_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { + int *counter = userdata; + int r; + + (*counter) --; + + r = sd_netlink_message_get_errno(m); + + log_info_errno(r, "%d left in pipe. got reply: %m", *counter); + + assert_se(r >= 0); + + return 1; +} + +static void test_async(int ifindex) { + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL, *r = NULL; + uint32_t serial; + char *ifname; + + ifname = strdup("lo"); + assert_se(ifname); + + assert_se(sd_netlink_open(&rtnl) >= 0); + + assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); + + assert_se(sd_netlink_call_async(rtnl, m, &link_handler, ifname, 0, &serial) >= 0); + + assert_se(sd_netlink_wait(rtnl, 0) >= 0); + assert_se(sd_netlink_process(rtnl, &r) >= 0); + + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); +} + +static void test_pipe(int ifindex) { + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m1 = NULL, *m2 = NULL; + int counter = 0; + + assert_se(sd_netlink_open(&rtnl) >= 0); + + assert_se(sd_rtnl_message_new_link(rtnl, &m1, RTM_GETLINK, ifindex) >= 0); + assert_se(sd_rtnl_message_new_link(rtnl, &m2, RTM_GETLINK, ifindex) >= 0); + + counter ++; + assert_se(sd_netlink_call_async(rtnl, m1, &pipe_handler, &counter, 0, NULL) >= 0); + + counter ++; + assert_se(sd_netlink_call_async(rtnl, m2, &pipe_handler, &counter, 0, NULL) >= 0); + + while (counter > 0) { + assert_se(sd_netlink_wait(rtnl, 0) >= 0); + assert_se(sd_netlink_process(rtnl, NULL) >= 0); + } + + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); +} + +static void test_container(void) { + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + uint16_t u16_data; + uint32_t u32_data; + const char *string_data; + + assert_se(sd_rtnl_message_new_link(NULL, &m, RTM_NEWLINK, 0) >= 0); + + assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); + assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "vlan") >= 0); + assert_se(sd_netlink_message_append_u16(m, IFLA_VLAN_ID, 100) >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_message_append_string(m, IFLA_INFO_KIND, "vlan") >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_message_close_container(m) == -EINVAL); + + assert_se(sd_netlink_message_rewind(m) >= 0); + + assert_se(sd_netlink_message_enter_container(m, IFLA_LINKINFO) >= 0); + assert_se(sd_netlink_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0); + assert_se(streq("vlan", string_data)); + + assert_se(sd_netlink_message_enter_container(m, IFLA_INFO_DATA) >= 0); + assert_se(sd_netlink_message_read_u16(m, IFLA_VLAN_ID, &u16_data) >= 0); + assert_se(sd_netlink_message_exit_container(m) >= 0); + + assert_se(sd_netlink_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0); + assert_se(streq("vlan", string_data)); + assert_se(sd_netlink_message_exit_container(m) >= 0); + + assert_se(sd_netlink_message_read_u32(m, IFLA_LINKINFO, &u32_data) < 0); + + assert_se(sd_netlink_message_exit_container(m) == -EINVAL); +} + +static void test_match(void) { + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; + + assert_se(sd_netlink_open(&rtnl) >= 0); + + assert_se(sd_netlink_add_match(rtnl, RTM_NEWLINK, &link_handler, NULL) >= 0); + assert_se(sd_netlink_add_match(rtnl, RTM_NEWLINK, &link_handler, NULL) >= 0); + + assert_se(sd_netlink_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 1); + assert_se(sd_netlink_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 1); + assert_se(sd_netlink_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 0); + + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); +} + +static void test_get_addresses(sd_netlink *rtnl) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *m; + + assert_se(sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC) >= 0); + + assert_se(sd_netlink_call(rtnl, req, 0, &reply) >= 0); + + for (m = reply; m; m = sd_netlink_message_next(m)) { + uint16_t type; + unsigned char scope, flags; + int family, ifindex; + + assert_se(sd_netlink_message_get_type(m, &type) >= 0); + assert_se(type == RTM_NEWADDR); + + assert_se(sd_rtnl_message_addr_get_ifindex(m, &ifindex) >= 0); + assert_se(sd_rtnl_message_addr_get_family(m, &family) >= 0); + assert_se(sd_rtnl_message_addr_get_scope(m, &scope) >= 0); + assert_se(sd_rtnl_message_addr_get_flags(m, &flags) >= 0); + + assert_se(ifindex > 0); + assert_se(family == AF_INET || family == AF_INET6); + + log_info("got IPv%u address on ifindex %i", family == AF_INET ? 4: 6, ifindex); + } +} + +static void test_message(void) { + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + + assert_se(rtnl_message_new_synthetic_error(-ETIMEDOUT, 1, &m) >= 0); + assert_se(sd_netlink_message_get_errno(m) == -ETIMEDOUT); +} + +int main(void) { + sd_netlink *rtnl; + sd_netlink_message *m; + sd_netlink_message *r; + const char *string_data; + int if_loopback; + uint16_t type; + + test_message(); + + test_match(); + + test_multiple(); + + test_route(); + + test_container(); + + assert_se(sd_netlink_open(&rtnl) >= 0); + assert_se(rtnl); + + if_loopback = (int) if_nametoindex("lo"); + assert_se(if_loopback > 0); + + test_async(if_loopback); + + test_pipe(if_loopback); + + test_event_loop(if_loopback); + + test_link_configure(rtnl, if_loopback); + + test_get_addresses(rtnl); + + test_message_link_bridge(rtnl); + + assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, if_loopback) >= 0); + assert_se(m); + + assert_se(sd_netlink_message_get_type(m, &type) >= 0); + assert_se(type == RTM_GETLINK); + + assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &string_data) == -EPERM); + + assert_se(sd_netlink_call(rtnl, m, 0, &r) == 1); + assert_se(sd_netlink_message_get_type(r, &type) >= 0); + assert_se(type == RTM_NEWLINK); + + assert_se((r = sd_netlink_message_unref(r)) == NULL); + + assert_se(sd_netlink_call(rtnl, m, -1, &r) == -EPERM); + assert_se((m = sd_netlink_message_unref(m)) == NULL); + assert_se((r = sd_netlink_message_unref(r)) == NULL); + + test_link_get(rtnl, if_loopback); + test_address_get(rtnl, if_loopback); + + assert_se((m = sd_netlink_message_unref(m)) == NULL); + assert_se((r = sd_netlink_message_unref(r)) == NULL); + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); + + return EXIT_SUCCESS; +} diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c deleted file mode 100644 index 79e67f6953..0000000000 --- a/src/libsystemd/sd-rtnl/rtnl-message.c +++ /dev/null @@ -1,1699 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2013 Tom Gundersen <teg@jklm.no> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <netinet/in.h> -#include <stdbool.h> -#include <unistd.h> - -#include "util.h" -#include "socket-util.h" -#include "formats-util.h" -#include "refcnt.h" -#include "missing.h" - -#include "sd-rtnl.h" -#include "rtnl-util.h" -#include "rtnl-internal.h" -#include "rtnl-types.h" - -#define GET_CONTAINER(m, i) ((i) < (m)->n_containers ? (struct rtattr*)((uint8_t*)(m)->hdr + (m)->container_offsets[i]) : NULL) -#define PUSH_CONTAINER(m, new) (m)->container_offsets[(m)->n_containers ++] = (uint8_t*)(new) - (uint8_t*)(m)->hdr; - -#define RTA_TYPE(rta) ((rta)->rta_type & NLA_TYPE_MASK) - -static int message_new_empty(sd_rtnl *rtnl, sd_rtnl_message **ret) { - sd_rtnl_message *m; - - assert_return(ret, -EINVAL); - - /* Note that 'rtnl' is currently unused, if we start using it internally - we must take care to avoid problems due to mutual references between - buses and their queued messages. See sd-bus. - */ - - m = new0(sd_rtnl_message, 1); - if (!m) - return -ENOMEM; - - m->n_ref = REFCNT_INIT; - - m->sealed = false; - - *ret = m; - - return 0; -} - -int message_new(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t type) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - const NLType *nl_type; - size_t size; - int r; - - r = type_system_get_type(NULL, &nl_type, type); - if (r < 0) - return r; - - r = message_new_empty(rtnl, &m); - if (r < 0) - return r; - - size = NLMSG_SPACE(nl_type->size); - - assert(size >= sizeof(struct nlmsghdr)); - m->hdr = malloc0(size); - if (!m->hdr) - return -ENOMEM; - - m->hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; - - m->container_type_system[0] = nl_type->type_system; - m->hdr->nlmsg_len = size; - m->hdr->nlmsg_type = type; - - *ret = m; - m = NULL; - - return 0; -} - -int sd_rtnl_message_route_set_dst_prefixlen(sd_rtnl_message *m, unsigned char prefixlen) { - struct rtmsg *rtm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); - - rtm = NLMSG_DATA(m->hdr); - - if ((rtm->rtm_family == AF_INET && prefixlen > 32) || - (rtm->rtm_family == AF_INET6 && prefixlen > 128)) - return -ERANGE; - - rtm->rtm_dst_len = prefixlen; - - return 0; -} - -int sd_rtnl_message_route_set_src_prefixlen(sd_rtnl_message *m, unsigned char prefixlen) { - struct rtmsg *rtm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); - - rtm = NLMSG_DATA(m->hdr); - - if ((rtm->rtm_family == AF_INET && prefixlen > 32) || - (rtm->rtm_family == AF_INET6 && prefixlen > 128)) - return -ERANGE; - - rtm->rtm_src_len = prefixlen; - - return 0; -} - -int sd_rtnl_message_route_set_scope(sd_rtnl_message *m, unsigned char scope) { - struct rtmsg *rtm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); - - rtm = NLMSG_DATA(m->hdr); - - rtm->rtm_scope = scope; - - return 0; -} - -int sd_rtnl_message_route_get_family(sd_rtnl_message *m, int *family) { - struct rtmsg *rtm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); - assert_return(family, -EINVAL); - - rtm = NLMSG_DATA(m->hdr); - - *family = rtm->rtm_family; - - return 0; -} - -int sd_rtnl_message_route_get_dst_prefixlen(sd_rtnl_message *m, unsigned char *dst_len) { - struct rtmsg *rtm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); - assert_return(dst_len, -EINVAL); - - rtm = NLMSG_DATA(m->hdr); - - *dst_len = rtm->rtm_dst_len; - - return 0; -} - -int sd_rtnl_message_route_get_src_prefixlen(sd_rtnl_message *m, unsigned char *src_len) { - struct rtmsg *rtm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); - assert_return(src_len, -EINVAL); - - rtm = NLMSG_DATA(m->hdr); - - *src_len = rtm->rtm_src_len; - - return 0; -} - -int sd_rtnl_message_new_route(sd_rtnl *rtnl, sd_rtnl_message **ret, - uint16_t nlmsg_type, int rtm_family, - unsigned char rtm_protocol) { - struct rtmsg *rtm; - int r; - - assert_return(rtnl_message_type_is_route(nlmsg_type), -EINVAL); - assert_return((nlmsg_type == RTM_GETROUTE && rtm_family == AF_UNSPEC) || - rtm_family == AF_INET || rtm_family == AF_INET6, -EINVAL); - assert_return(ret, -EINVAL); - - r = message_new(rtnl, ret, nlmsg_type); - if (r < 0) - return r; - - if (nlmsg_type == RTM_NEWROUTE) - (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_APPEND; - - rtm = NLMSG_DATA((*ret)->hdr); - - rtm->rtm_family = rtm_family; - rtm->rtm_scope = RT_SCOPE_UNIVERSE; - rtm->rtm_type = RTN_UNICAST; - rtm->rtm_table = RT_TABLE_MAIN; - rtm->rtm_protocol = rtm_protocol; - - return 0; -} - -int sd_rtnl_message_neigh_set_flags(sd_rtnl_message *m, uint8_t flags) { - struct ndmsg *ndm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); - - ndm = NLMSG_DATA(m->hdr); - ndm->ndm_flags |= flags; - - return 0; -} - -int sd_rtnl_message_neigh_set_state(sd_rtnl_message *m, uint16_t state) { - struct ndmsg *ndm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); - - ndm = NLMSG_DATA(m->hdr); - ndm->ndm_state |= state; - - return 0; -} - -int sd_rtnl_message_neigh_get_flags(sd_rtnl_message *m, uint8_t *flags) { - struct ndmsg *ndm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); - - ndm = NLMSG_DATA(m->hdr); - *flags = ndm->ndm_flags; - - return 0; -} - -int sd_rtnl_message_neigh_get_state(sd_rtnl_message *m, uint16_t *state) { - struct ndmsg *ndm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); - - ndm = NLMSG_DATA(m->hdr); - *state = ndm->ndm_state; - - return 0; -} - -int sd_rtnl_message_neigh_get_family(sd_rtnl_message *m, int *family) { - struct ndmsg *ndm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); - assert_return(family, -EINVAL); - - ndm = NLMSG_DATA(m->hdr); - - *family = ndm->ndm_family; - - return 0; -} - -int sd_rtnl_message_neigh_get_ifindex(sd_rtnl_message *m, int *index) { - struct ndmsg *ndm; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL); - assert_return(index, -EINVAL); - - ndm = NLMSG_DATA(m->hdr); - - *index = ndm->ndm_ifindex; - - return 0; -} - -int sd_rtnl_message_new_neigh(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t nlmsg_type, int index, int ndm_family) { - struct ndmsg *ndm; - int r; - - assert_return(rtnl_message_type_is_neigh(nlmsg_type), -EINVAL); - assert_return(ndm_family == AF_INET || - ndm_family == AF_INET6 || - ndm_family == PF_BRIDGE, -EINVAL); - assert_return(ret, -EINVAL); - - r = message_new(rtnl, ret, nlmsg_type); - if (r < 0) - return r; - - if (nlmsg_type == RTM_NEWNEIGH) - (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_APPEND; - - ndm = NLMSG_DATA((*ret)->hdr); - - ndm->ndm_family = ndm_family; - ndm->ndm_ifindex = index; - - return 0; -} - -int sd_rtnl_message_link_set_flags(sd_rtnl_message *m, unsigned flags, unsigned change) { - struct ifinfomsg *ifi; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); - assert_return(change, -EINVAL); - - ifi = NLMSG_DATA(m->hdr); - - ifi->ifi_flags = flags; - ifi->ifi_change = change; - - return 0; -} - -int sd_rtnl_message_link_set_type(sd_rtnl_message *m, unsigned type) { - struct ifinfomsg *ifi; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); - - ifi = NLMSG_DATA(m->hdr); - - ifi->ifi_type = type; - - return 0; -} - -int sd_rtnl_message_link_set_family(sd_rtnl_message *m, unsigned family) { - struct ifinfomsg *ifi; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); - - ifi = NLMSG_DATA(m->hdr); - - ifi->ifi_family = family; - - return 0; -} - -int sd_rtnl_message_new_link(sd_rtnl *rtnl, sd_rtnl_message **ret, - uint16_t nlmsg_type, int index) { - struct ifinfomsg *ifi; - int r; - - assert_return(rtnl_message_type_is_link(nlmsg_type), -EINVAL); - assert_return(nlmsg_type != RTM_DELLINK || index > 0, -EINVAL); - assert_return(ret, -EINVAL); - - r = message_new(rtnl, ret, nlmsg_type); - if (r < 0) - return r; - - if (nlmsg_type == RTM_NEWLINK) - (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL; - - ifi = NLMSG_DATA((*ret)->hdr); - - ifi->ifi_family = AF_UNSPEC; - ifi->ifi_index = index; - - return 0; -} - -int sd_rtnl_message_request_dump(sd_rtnl_message *m, int dump) { - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(m->hdr->nlmsg_type == RTM_GETLINK || - m->hdr->nlmsg_type == RTM_GETADDR || - m->hdr->nlmsg_type == RTM_GETROUTE || - m->hdr->nlmsg_type == RTM_GETNEIGH, - -EINVAL); - - if (dump) - m->hdr->nlmsg_flags |= NLM_F_DUMP; - else - m->hdr->nlmsg_flags &= ~NLM_F_DUMP; - - return 0; -} - -int sd_rtnl_message_addr_set_prefixlen(sd_rtnl_message *m, unsigned char prefixlen) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - if ((ifa->ifa_family == AF_INET && prefixlen > 32) || - (ifa->ifa_family == AF_INET6 && prefixlen > 128)) - return -ERANGE; - - ifa->ifa_prefixlen = prefixlen; - - return 0; -} - -int sd_rtnl_message_addr_set_flags(sd_rtnl_message *m, unsigned char flags) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - ifa->ifa_flags = flags; - - return 0; -} - -int sd_rtnl_message_addr_set_scope(sd_rtnl_message *m, unsigned char scope) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - ifa->ifa_scope = scope; - - return 0; -} - -int sd_rtnl_message_addr_get_family(sd_rtnl_message *m, int *family) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - assert_return(family, -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - *family = ifa->ifa_family; - - return 0; -} - -int sd_rtnl_message_addr_get_prefixlen(sd_rtnl_message *m, unsigned char *prefixlen) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - assert_return(prefixlen, -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - *prefixlen = ifa->ifa_prefixlen; - - return 0; -} - -int sd_rtnl_message_addr_get_scope(sd_rtnl_message *m, unsigned char *scope) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - assert_return(scope, -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - *scope = ifa->ifa_scope; - - return 0; -} - -int sd_rtnl_message_addr_get_flags(sd_rtnl_message *m, unsigned char *flags) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - assert_return(flags, -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - *flags = ifa->ifa_flags; - - return 0; -} - -int sd_rtnl_message_addr_get_ifindex(sd_rtnl_message *m, int *ifindex) { - struct ifaddrmsg *ifa; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_addr(m->hdr->nlmsg_type), -EINVAL); - assert_return(ifindex, -EINVAL); - - ifa = NLMSG_DATA(m->hdr); - - *ifindex = ifa->ifa_index; - - return 0; -} - -int sd_rtnl_message_new_addr(sd_rtnl *rtnl, sd_rtnl_message **ret, - uint16_t nlmsg_type, int index, - int family) { - struct ifaddrmsg *ifa; - int r; - - assert_return(rtnl_message_type_is_addr(nlmsg_type), -EINVAL); - assert_return((nlmsg_type == RTM_GETADDR && index == 0) || - index > 0, -EINVAL); - assert_return((nlmsg_type == RTM_GETADDR && family == AF_UNSPEC) || - family == AF_INET || family == AF_INET6, -EINVAL); - assert_return(ret, -EINVAL); - - r = message_new(rtnl, ret, nlmsg_type); - if (r < 0) - return r; - - if (nlmsg_type == RTM_GETADDR) - (*ret)->hdr->nlmsg_flags |= NLM_F_DUMP; - - ifa = NLMSG_DATA((*ret)->hdr); - - ifa->ifa_index = index; - ifa->ifa_family = family; - if (family == AF_INET) - ifa->ifa_prefixlen = 32; - else if (family == AF_INET6) - ifa->ifa_prefixlen = 128; - - return 0; -} - -int sd_rtnl_message_new_addr_update(sd_rtnl *rtnl, sd_rtnl_message **ret, - int index, int family) { - int r; - - r = sd_rtnl_message_new_addr(rtnl, ret, RTM_NEWADDR, index, family); - if (r < 0) - return r; - - (*ret)->hdr->nlmsg_flags |= NLM_F_REPLACE; - - return 0; -} - -sd_rtnl_message *sd_rtnl_message_ref(sd_rtnl_message *m) { - if (m) - assert_se(REFCNT_INC(m->n_ref) >= 2); - - return m; -} - -sd_rtnl_message *sd_rtnl_message_unref(sd_rtnl_message *m) { - if (m && REFCNT_DEC(m->n_ref) == 0) { - unsigned i; - - free(m->hdr); - - for (i = 0; i <= m->n_containers; i++) - free(m->rta_offset_tb[i]); - - sd_rtnl_message_unref(m->next); - - free(m); - } - - return NULL; -} - -int sd_rtnl_message_get_type(sd_rtnl_message *m, uint16_t *type) { - assert_return(m, -EINVAL); - assert_return(type, -EINVAL); - - *type = m->hdr->nlmsg_type; - - return 0; -} - -int sd_rtnl_message_get_family(sd_rtnl_message *m, int *family) { - assert_return(m, -EINVAL); - assert_return(family, -EINVAL); - - assert(m->hdr); - - if (rtnl_message_type_is_link(m->hdr->nlmsg_type)) { - struct ifinfomsg *ifi; - - ifi = NLMSG_DATA(m->hdr); - - *family = ifi->ifi_family; - - return 0; - } else if (rtnl_message_type_is_route(m->hdr->nlmsg_type)) { - struct rtmsg *rtm; - - rtm = NLMSG_DATA(m->hdr); - - *family = rtm->rtm_family; - - return 0; - } else if (rtnl_message_type_is_neigh(m->hdr->nlmsg_type)) { - struct ndmsg *ndm; - - ndm = NLMSG_DATA(m->hdr); - - *family = ndm->ndm_family; - - return 0; - } else if (rtnl_message_type_is_addr(m->hdr->nlmsg_type)) { - struct ifaddrmsg *ifa; - - ifa = NLMSG_DATA(m->hdr); - - *family = ifa->ifa_family; - - return 0; - } - - return -EOPNOTSUPP; -} - -int sd_rtnl_message_is_broadcast(sd_rtnl_message *m) { - assert_return(m, -EINVAL); - - return m->broadcast; -} - -int sd_rtnl_message_link_get_ifindex(sd_rtnl_message *m, int *ifindex) { - struct ifinfomsg *ifi; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); - assert_return(ifindex, -EINVAL); - - ifi = NLMSG_DATA(m->hdr); - - *ifindex = ifi->ifi_index; - - return 0; -} - -int sd_rtnl_message_link_get_flags(sd_rtnl_message *m, unsigned *flags) { - struct ifinfomsg *ifi; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); - assert_return(flags, -EINVAL); - - ifi = NLMSG_DATA(m->hdr); - - *flags = ifi->ifi_flags; - - return 0; -} - -int sd_rtnl_message_link_get_type(sd_rtnl_message *m, unsigned *type) { - struct ifinfomsg *ifi; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL); - assert_return(type, -EINVAL); - - ifi = NLMSG_DATA(m->hdr); - - *type = ifi->ifi_type; - - return 0; -} - -/* If successful the updated message will be correctly aligned, if - unsuccessful the old message is untouched. */ -static int add_rtattr(sd_rtnl_message *m, unsigned short type, const void *data, size_t data_length) { - uint32_t rta_length; - size_t message_length, padding_length; - struct nlmsghdr *new_hdr; - struct rtattr *rta; - char *padding; - unsigned i; - int offset; - - assert(m); - assert(m->hdr); - assert(!m->sealed); - assert(NLMSG_ALIGN(m->hdr->nlmsg_len) == m->hdr->nlmsg_len); - assert(!data || data_length); - - /* get offset of the new attribute */ - offset = m->hdr->nlmsg_len; - - /* get the size of the new rta attribute (with padding at the end) */ - rta_length = RTA_LENGTH(data_length); - - /* get the new message size (with padding at the end) */ - message_length = offset + RTA_ALIGN(rta_length); - - /* realloc to fit the new attribute */ - new_hdr = realloc(m->hdr, message_length); - if (!new_hdr) - return -ENOMEM; - m->hdr = new_hdr; - - /* get pointer to the attribute we are about to add */ - rta = (struct rtattr *) ((uint8_t *) m->hdr + offset); - - /* if we are inside containers, extend them */ - for (i = 0; i < m->n_containers; i++) - GET_CONTAINER(m, i)->rta_len += message_length - offset; - - /* fill in the attribute */ - rta->rta_type = type; - rta->rta_len = rta_length; - if (data) - /* we don't deal with the case where the user lies about the type - * and gives us too little data (so don't do that) - */ - padding = mempcpy(RTA_DATA(rta), data, data_length); - else { - /* if no data was passed, make sure we still initialize the padding - note that we can have data_length > 0 (used by some containers) */ - padding = RTA_DATA(rta); - } - - /* make sure also the padding at the end of the message is initialized */ - padding_length = (uint8_t*)m->hdr + message_length - (uint8_t*)padding; - memzero(padding, padding_length); - - /* update message size */ - m->hdr->nlmsg_len = message_length; - - return offset; -} - -static int message_attribute_has_type(sd_rtnl_message *m, uint16_t attribute_type, uint16_t data_type) { - const NLType *type; - int r; - - r = type_system_get_type(m->container_type_system[m->n_containers], &type, attribute_type); - if (r < 0) - return r; - - if (type->type != data_type) - return -EINVAL; - - return type->size; -} - -int sd_rtnl_message_append_string(sd_rtnl_message *m, unsigned short type, const char *data) { - size_t length, size; - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(data, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_STRING); - if (r < 0) - return r; - else - size = (size_t)r; - - if (size) { - length = strnlen(data, size+1); - if (length > size) - return -EINVAL; - } else - length = strlen(data); - - r = add_rtattr(m, type, data, length + 1); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_append_u8(sd_rtnl_message *m, unsigned short type, uint8_t data) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - - r = message_attribute_has_type(m, type, NLA_U8); - if (r < 0) - return r; - - r = add_rtattr(m, type, &data, sizeof(uint8_t)); - if (r < 0) - return r; - - return 0; -} - - -int sd_rtnl_message_append_u16(sd_rtnl_message *m, unsigned short type, uint16_t data) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - - r = message_attribute_has_type(m, type, NLA_U16); - if (r < 0) - return r; - - r = add_rtattr(m, type, &data, sizeof(uint16_t)); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_append_u32(sd_rtnl_message *m, unsigned short type, uint32_t data) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - - r = message_attribute_has_type(m, type, NLA_U32); - if (r < 0) - return r; - - r = add_rtattr(m, type, &data, sizeof(uint32_t)); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_append_in_addr(sd_rtnl_message *m, unsigned short type, const struct in_addr *data) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(data, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_IN_ADDR); - if (r < 0) - return r; - - r = add_rtattr(m, type, data, sizeof(struct in_addr)); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_append_in6_addr(sd_rtnl_message *m, unsigned short type, const struct in6_addr *data) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(data, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_IN_ADDR); - if (r < 0) - return r; - - r = add_rtattr(m, type, data, sizeof(struct in6_addr)); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_append_ether_addr(sd_rtnl_message *m, unsigned short type, const struct ether_addr *data) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(data, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_ETHER_ADDR); - if (r < 0) - return r; - - r = add_rtattr(m, type, data, ETH_ALEN); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_append_cache_info(sd_rtnl_message *m, unsigned short type, const struct ifa_cacheinfo *info) { - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(info, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_CACHE_INFO); - if (r < 0) - return r; - - r = add_rtattr(m, type, info, sizeof(struct ifa_cacheinfo)); - if (r < 0) - return r; - - return 0; -} - -int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type) { - size_t size; - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(m->n_containers < RTNL_CONTAINER_DEPTH, -ERANGE); - - r = message_attribute_has_type(m, type, NLA_NESTED); - if (r < 0) { - const NLTypeSystemUnion *type_system_union; - int family; - - r = message_attribute_has_type(m, type, NLA_UNION); - if (r < 0) - return r; - size = (size_t) r; - - r = sd_rtnl_message_get_family(m, &family); - if (r < 0) - return r; - - r = type_system_get_type_system_union(m->container_type_system[m->n_containers], &type_system_union, type); - if (r < 0) - return r; - - r = type_system_union_protocol_get_type_system(type_system_union, - &m->container_type_system[m->n_containers + 1], - family); - if (r < 0) - return r; - } else { - size = (size_t)r; - - r = type_system_get_type_system(m->container_type_system[m->n_containers], - &m->container_type_system[m->n_containers + 1], - type); - if (r < 0) - return r; - } - - r = add_rtattr(m, type | NLA_F_NESTED, NULL, size); - if (r < 0) - return r; - - m->container_offsets[m->n_containers ++] = r; - - return 0; -} - -int sd_rtnl_message_open_container_union(sd_rtnl_message *m, unsigned short type, const char *key) { - const NLTypeSystemUnion *type_system_union; - int r; - - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - - r = type_system_get_type_system_union(m->container_type_system[m->n_containers], &type_system_union, type); - if (r < 0) - return r; - - r = type_system_union_get_type_system(type_system_union, - &m->container_type_system[m->n_containers + 1], - key); - if (r < 0) - return r; - - r = sd_rtnl_message_append_string(m, type_system_union->match, key); - if (r < 0) - return r; - - /* do we evere need non-null size */ - r = add_rtattr(m, type, NULL, 0); - if (r < 0) - return r; - - m->container_offsets[m->n_containers ++] = r; - - return 0; -} - - -int sd_rtnl_message_close_container(sd_rtnl_message *m) { - assert_return(m, -EINVAL); - assert_return(!m->sealed, -EPERM); - assert_return(m->n_containers > 0, -EINVAL); - - m->container_type_system[m->n_containers] = NULL; - m->n_containers --; - - return 0; -} - -int rtnl_message_read_internal(sd_rtnl_message *m, unsigned short type, void **data) { - struct rtattr *rta; - - assert_return(m, -EINVAL); - assert_return(m->sealed, -EPERM); - assert_return(data, -EINVAL); - assert(m->n_containers <= RTNL_CONTAINER_DEPTH); - assert(m->rta_offset_tb[m->n_containers]); - assert(type < m->rta_tb_size[m->n_containers]); - - if(!m->rta_offset_tb[m->n_containers][type]) - return -ENODATA; - - rta = (struct rtattr*)((uint8_t *) m->hdr + m->rta_offset_tb[m->n_containers][type]); - - *data = RTA_DATA(rta); - - return RTA_PAYLOAD(rta); -} - -int sd_rtnl_message_read_string(sd_rtnl_message *m, unsigned short type, const char **data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_STRING); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if (strnlen(attr_data, r) >= (size_t) r) - return -EIO; - - if (data) - *data = (const char *) attr_data; - - return 0; -} - -int sd_rtnl_message_read_u8(sd_rtnl_message *m, unsigned short type, uint8_t *data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_U8); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t) r < sizeof(uint8_t)) - return -EIO; - - if (data) - *data = *(uint8_t *) attr_data; - - return 0; -} - -int sd_rtnl_message_read_u16(sd_rtnl_message *m, unsigned short type, uint16_t *data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_U16); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t) r < sizeof(uint16_t)) - return -EIO; - - if (data) - *data = *(uint16_t *) attr_data; - - return 0; -} - -int sd_rtnl_message_read_u32(sd_rtnl_message *m, unsigned short type, uint32_t *data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_U32); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t)r < sizeof(uint32_t)) - return -EIO; - - if (data) - *data = *(uint32_t *) attr_data; - - return 0; -} - -int sd_rtnl_message_read_ether_addr(sd_rtnl_message *m, unsigned short type, struct ether_addr *data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_ETHER_ADDR); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t)r < sizeof(struct ether_addr)) - return -EIO; - - if (data) - memcpy(data, attr_data, sizeof(struct ether_addr)); - - return 0; -} - -int sd_rtnl_message_read_cache_info(sd_rtnl_message *m, unsigned short type, struct ifa_cacheinfo *info) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_CACHE_INFO); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t)r < sizeof(struct ifa_cacheinfo)) - return -EIO; - - if (info) - memcpy(info, attr_data, sizeof(struct ifa_cacheinfo)); - - return 0; -} - -int sd_rtnl_message_read_in_addr(sd_rtnl_message *m, unsigned short type, struct in_addr *data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_IN_ADDR); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t)r < sizeof(struct in_addr)) - return -EIO; - - if (data) - memcpy(data, attr_data, sizeof(struct in_addr)); - - return 0; -} - -int sd_rtnl_message_read_in6_addr(sd_rtnl_message *m, unsigned short type, struct in6_addr *data) { - int r; - void *attr_data; - - assert_return(m, -EINVAL); - - r = message_attribute_has_type(m, type, NLA_IN_ADDR); - if (r < 0) - return r; - - r = rtnl_message_read_internal(m, type, &attr_data); - if (r < 0) - return r; - else if ((size_t)r < sizeof(struct in6_addr)) - return -EIO; - - if (data) - memcpy(data, attr_data, sizeof(struct in6_addr)); - - return 0; -} - -int sd_rtnl_message_enter_container(sd_rtnl_message *m, unsigned short type) { - const NLType *nl_type; - const NLTypeSystem *type_system; - void *container; - size_t size; - int r; - - assert_return(m, -EINVAL); - assert_return(m->n_containers < RTNL_CONTAINER_DEPTH, -EINVAL); - - r = type_system_get_type(m->container_type_system[m->n_containers], - &nl_type, - type); - if (r < 0) - return r; - - if (nl_type->type == NLA_NESTED) { - r = type_system_get_type_system(m->container_type_system[m->n_containers], - &type_system, - type); - if (r < 0) - return r; - } else if (nl_type->type == NLA_UNION) { - const NLTypeSystemUnion *type_system_union; - - r = type_system_get_type_system_union(m->container_type_system[m->n_containers], - &type_system_union, - type); - if (r < 0) - return r; - - switch (type_system_union->match_type) { - case NL_MATCH_SIBLING: - { - const char *key; - - r = sd_rtnl_message_read_string(m, type_system_union->match, &key); - if (r < 0) - return r; - - r = type_system_union_get_type_system(type_system_union, - &type_system, - key); - if (r < 0) - return r; - - break; - } - case NL_MATCH_PROTOCOL: - { - int family; - - r = sd_rtnl_message_get_family(m, &family); - if (r < 0) - return r; - - r = type_system_union_protocol_get_type_system(type_system_union, - &type_system, - family); - if (r < 0) - return r; - - break; - } - default: - assert_not_reached("sd-rtnl: invalid type system union type"); - } - } else - return -EINVAL; - - r = rtnl_message_read_internal(m, type, &container); - if (r < 0) - return r; - else - size = (size_t)r; - - m->n_containers ++; - - r = rtnl_message_parse(m, - &m->rta_offset_tb[m->n_containers], - &m->rta_tb_size[m->n_containers], - type_system->max, - container, - size); - if (r < 0) { - m->n_containers --; - return r; - } - - m->container_type_system[m->n_containers] = type_system; - - return 0; -} - -int sd_rtnl_message_exit_container(sd_rtnl_message *m) { - assert_return(m, -EINVAL); - assert_return(m->sealed, -EINVAL); - assert_return(m->n_containers > 0, -EINVAL); - - free(m->rta_offset_tb[m->n_containers]); - m->rta_offset_tb[m->n_containers] = NULL; - m->container_type_system[m->n_containers] = NULL; - - m->n_containers --; - - return 0; -} - -uint32_t rtnl_message_get_serial(sd_rtnl_message *m) { - assert(m); - assert(m->hdr); - - return m->hdr->nlmsg_seq; -} - -int sd_rtnl_message_is_error(sd_rtnl_message *m) { - assert_return(m, 0); - assert_return(m->hdr, 0); - - return m->hdr->nlmsg_type == NLMSG_ERROR; -} - -int sd_rtnl_message_get_errno(sd_rtnl_message *m) { - struct nlmsgerr *err; - - assert_return(m, -EINVAL); - assert_return(m->hdr, -EINVAL); - - if (!sd_rtnl_message_is_error(m)) - return 0; - - err = NLMSG_DATA(m->hdr); - - return err->error; -} - -int rtnl_message_parse(sd_rtnl_message *m, - size_t **rta_offset_tb, - unsigned short *rta_tb_size, - int max, - struct rtattr *rta, - unsigned int rt_len) { - unsigned short type; - size_t *tb; - - tb = new0(size_t, max + 1); - if(!tb) - return -ENOMEM; - - *rta_tb_size = max + 1; - - for (; RTA_OK(rta, rt_len); rta = RTA_NEXT(rta, rt_len)) { - type = RTA_TYPE(rta); - - /* if the kernel is newer than the headers we used - when building, we ignore out-of-range attributes - */ - if (type > max) - continue; - - if (tb[type]) - log_debug("rtnl: message parse - overwriting repeated attribute"); - - tb[type] = (uint8_t *) rta - (uint8_t *) m->hdr; - } - - *rta_offset_tb = tb; - - return 0; -} - -/* returns the number of bytes sent, or a negative error code */ -int socket_write_message(sd_rtnl *nl, sd_rtnl_message *m) { - union { - struct sockaddr sa; - struct sockaddr_nl nl; - } addr = { - .nl.nl_family = AF_NETLINK, - }; - ssize_t k; - - assert(nl); - assert(m); - assert(m->hdr); - - k = sendto(nl->fd, m->hdr, m->hdr->nlmsg_len, - 0, &addr.sa, sizeof(addr)); - if (k < 0) - return (errno == EAGAIN) ? 0 : -errno; - - return k; -} - -static int socket_recv_message(int fd, struct iovec *iov, uint32_t *_group, bool peek) { - union sockaddr_union sender; - uint8_t cmsg_buffer[CMSG_SPACE(sizeof(struct nl_pktinfo))]; - struct msghdr msg = { - .msg_iov = iov, - .msg_iovlen = 1, - .msg_name = &sender, - .msg_namelen = sizeof(sender), - .msg_control = cmsg_buffer, - .msg_controllen = sizeof(cmsg_buffer), - }; - struct cmsghdr *cmsg; - uint32_t group = 0; - int r; - - assert(fd >= 0); - assert(iov); - - r = recvmsg(fd, &msg, MSG_TRUNC | (peek ? MSG_PEEK : 0)); - if (r < 0) { - /* no data */ - if (errno == ENOBUFS) - log_debug("rtnl: kernel receive buffer overrun"); - else if (errno == EAGAIN) - log_debug("rtnl: no data in socket"); - - return (errno == EAGAIN || errno == EINTR) ? 0 : -errno; - } - - if (sender.nl.nl_pid != 0) { - /* not from the kernel, ignore */ - log_debug("rtnl: ignoring message from portid %"PRIu32, sender.nl.nl_pid); - - if (peek) { - /* drop the message */ - r = recvmsg(fd, &msg, 0); - if (r < 0) - return (errno == EAGAIN || errno == EINTR) ? 0 : -errno; - } - - return 0; - } - - CMSG_FOREACH(cmsg, &msg) { - if (cmsg->cmsg_level == SOL_NETLINK && - cmsg->cmsg_type == NETLINK_PKTINFO && - cmsg->cmsg_len == CMSG_LEN(sizeof(struct nl_pktinfo))) { - struct nl_pktinfo *pktinfo = (void *)CMSG_DATA(cmsg); - - /* multi-cast group */ - group = pktinfo->group; - } - } - - if (_group) - *_group = group; - - return r; -} - -/* On success, the number of bytes received is returned and *ret points to the received message - * which has a valid header and the correct size. - * If nothing useful was received 0 is returned. - * On failure, a negative error code is returned. - */ -int socket_read_message(sd_rtnl *rtnl) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *first = NULL; - struct iovec iov = {}; - uint32_t group = 0; - bool multi_part = false, done = false; - struct nlmsghdr *new_msg; - size_t len; - int r; - unsigned i = 0; - - assert(rtnl); - assert(rtnl->rbuffer); - assert(rtnl->rbuffer_allocated >= sizeof(struct nlmsghdr)); - - /* read nothing, just get the pending message size */ - r = socket_recv_message(rtnl->fd, &iov, NULL, true); - if (r <= 0) - return r; - else - len = (size_t)r; - - /* make room for the pending message */ - if (!greedy_realloc((void **)&rtnl->rbuffer, - &rtnl->rbuffer_allocated, - len, sizeof(uint8_t))) - return -ENOMEM; - - iov.iov_base = rtnl->rbuffer; - iov.iov_len = rtnl->rbuffer_allocated; - - /* read the pending message */ - r = socket_recv_message(rtnl->fd, &iov, &group, false); - if (r <= 0) - return r; - else - len = (size_t)r; - - if (len > rtnl->rbuffer_allocated) - /* message did not fit in read buffer */ - return -EIO; - - if (NLMSG_OK(rtnl->rbuffer, len) && rtnl->rbuffer->nlmsg_flags & NLM_F_MULTI) { - multi_part = true; - - for (i = 0; i < rtnl->rqueue_partial_size; i++) { - if (rtnl_message_get_serial(rtnl->rqueue_partial[i]) == - rtnl->rbuffer->nlmsg_seq) { - first = rtnl->rqueue_partial[i]; - break; - } - } - } - - for (new_msg = rtnl->rbuffer; NLMSG_OK(new_msg, len) && !done; new_msg = NLMSG_NEXT(new_msg, len)) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - const NLType *nl_type; - - if (!group && new_msg->nlmsg_pid != rtnl->sockaddr.nl.nl_pid) - /* not broadcast and not for us */ - continue; - - if (new_msg->nlmsg_type == NLMSG_NOOP) - /* silently drop noop messages */ - continue; - - if (new_msg->nlmsg_type == NLMSG_DONE) { - /* finished reading multi-part message */ - done = true; - - /* if first is not defined, put NLMSG_DONE into the receive queue. */ - if (first) - continue; - } - - /* check that we support this message type */ - r = type_system_get_type(NULL, &nl_type, new_msg->nlmsg_type); - if (r < 0) { - if (r == -EOPNOTSUPP) - log_debug("sd-rtnl: ignored message with unknown type: %i", - new_msg->nlmsg_type); - - continue; - } - - /* check that the size matches the message type */ - if (new_msg->nlmsg_len < NLMSG_LENGTH(nl_type->size)) { - log_debug("sd-rtnl: message larger than expected, dropping"); - continue; - } - - r = message_new_empty(rtnl, &m); - if (r < 0) - return r; - - m->broadcast = !!group; - - m->hdr = memdup(new_msg, new_msg->nlmsg_len); - if (!m->hdr) - return -ENOMEM; - - /* seal and parse the top-level message */ - r = sd_rtnl_message_rewind(m); - if (r < 0) - return r; - - /* push the message onto the multi-part message stack */ - if (first) - m->next = first; - first = m; - m = NULL; - } - - if (len) - log_debug("sd-rtnl: discarding %zu bytes of incoming message", len); - - if (!first) - return 0; - - if (!multi_part || done) { - /* we got a complete message, push it on the read queue */ - r = rtnl_rqueue_make_room(rtnl); - if (r < 0) - return r; - - rtnl->rqueue[rtnl->rqueue_size ++] = first; - first = NULL; - - if (multi_part && (i < rtnl->rqueue_partial_size)) { - /* remove the message form the partial read queue */ - memmove(rtnl->rqueue_partial + i,rtnl->rqueue_partial + i + 1, - sizeof(sd_rtnl_message*) * (rtnl->rqueue_partial_size - i - 1)); - rtnl->rqueue_partial_size --; - } - - return 1; - } else { - /* we only got a partial multi-part message, push it on the - partial read queue */ - if (i < rtnl->rqueue_partial_size) { - rtnl->rqueue_partial[i] = first; - } else { - r = rtnl_rqueue_partial_make_room(rtnl); - if (r < 0) - return r; - - rtnl->rqueue_partial[rtnl->rqueue_partial_size ++] = first; - } - first = NULL; - - return 0; - } -} - -int sd_rtnl_message_rewind(sd_rtnl_message *m) { - const NLType *type; - unsigned i; - int r; - - assert_return(m, -EINVAL); - - /* don't allow appending to message once parsed */ - if (!m->sealed) - rtnl_message_seal(m); - - for (i = 1; i <= m->n_containers; i++) { - free(m->rta_offset_tb[i]); - m->rta_offset_tb[i] = NULL; - m->rta_tb_size[i] = 0; - m->container_type_system[i] = NULL; - } - - m->n_containers = 0; - - if (m->rta_offset_tb[0]) { - /* top-level attributes have already been parsed */ - return 0; - } - - assert(m->hdr); - - r = type_system_get_type(NULL, &type, m->hdr->nlmsg_type); - if (r < 0) - return r; - - if (type->type == NLA_NESTED) { - const NLTypeSystem *type_system = type->type_system; - - assert(type_system); - - m->container_type_system[0] = type_system; - - r = rtnl_message_parse(m, - &m->rta_offset_tb[m->n_containers], - &m->rta_tb_size[m->n_containers], - type_system->max, - (struct rtattr*)((uint8_t*)NLMSG_DATA(m->hdr) + - NLMSG_ALIGN(type->size)), - NLMSG_PAYLOAD(m->hdr, type->size)); - if (r < 0) - return r; - } - - return 0; -} - -void rtnl_message_seal(sd_rtnl_message *m) { - assert(m); - assert(!m->sealed); - - m->sealed = true; -} - -sd_rtnl_message *sd_rtnl_message_next(sd_rtnl_message *m) { - assert_return(m, NULL); - - return m->next; -} diff --git a/src/libsystemd/sd-rtnl/test-rtnl.c b/src/libsystemd/sd-rtnl/test-rtnl.c deleted file mode 100644 index 94b1cb7c72..0000000000 --- a/src/libsystemd/sd-rtnl/test-rtnl.c +++ /dev/null @@ -1,443 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2013 Tom Gundersen <teg@jklm.no> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <netinet/ether.h> -#include <net/if.h> - -#include "util.h" -#include "macro.h" -#include "sd-rtnl.h" -#include "socket-util.h" -#include "rtnl-util.h" -#include "event-util.h" -#include "missing.h" - -static void test_message_link_bridge(sd_rtnl *rtnl) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL; - uint32_t cost; - - assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_NEWLINK, 1) >= 0); - assert_se(sd_rtnl_message_link_set_family(message, PF_BRIDGE) >= 0); - assert_se(sd_rtnl_message_open_container(message, IFLA_PROTINFO) >= 0); - assert_se(sd_rtnl_message_append_u32(message, IFLA_BRPORT_COST, 10) >= 0); - assert_se(sd_rtnl_message_close_container(message) >= 0); - - assert_se(sd_rtnl_message_rewind(message) >= 0); - - assert_se(sd_rtnl_message_enter_container(message, IFLA_PROTINFO) >= 0); - assert_se(sd_rtnl_message_read_u32(message, IFLA_BRPORT_COST, &cost) >= 0); - assert_se(cost == 10); - assert_se(sd_rtnl_message_exit_container(message) >= 0); -} - -static void test_link_configure(sd_rtnl *rtnl, int ifindex) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL; - const char *mac = "98:fe:94:3f:c6:18", *name = "test"; - char buffer[ETHER_ADDR_TO_STRING_MAX]; - unsigned int mtu = 1450, mtu_out; - const char *name_out; - struct ether_addr mac_out; - - /* we'd really like to test NEWLINK, but let's not mess with the running kernel */ - assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0); - assert_se(sd_rtnl_message_append_string(message, IFLA_IFNAME, name) >= 0); - assert_se(sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, ether_aton(mac)) >= 0); - assert_se(sd_rtnl_message_append_u32(message, IFLA_MTU, mtu) >= 0); - - assert_se(sd_rtnl_call(rtnl, message, 0, NULL) == 1); - assert_se(sd_rtnl_message_rewind(message) >= 0); - - assert_se(sd_rtnl_message_read_string(message, IFLA_IFNAME, &name_out) >= 0); - assert_se(streq(name, name_out)); - - assert_se(sd_rtnl_message_read_ether_addr(message, IFLA_ADDRESS, &mac_out) >= 0); - assert_se(streq(mac, ether_addr_to_string(&mac_out, buffer))); - - assert_se(sd_rtnl_message_read_u32(message, IFLA_MTU, &mtu_out) >= 0); - assert_se(mtu == mtu_out); -} - -static void test_link_get(sd_rtnl *rtnl, int ifindex) { - sd_rtnl_message *m; - sd_rtnl_message *r; - unsigned int mtu = 1500; - const char *str_data; - uint8_t u8_data; - uint32_t u32_data; - struct ether_addr eth_data; - - assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); - assert_se(m); - - /* u8 test cases */ - assert_se(sd_rtnl_message_append_u8(m, IFLA_CARRIER, 0) >= 0); - assert_se(sd_rtnl_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0); - assert_se(sd_rtnl_message_append_u8(m, IFLA_LINKMODE, 0) >= 0); - - /* u32 test cases */ - assert_se(sd_rtnl_message_append_u32(m, IFLA_MTU, mtu) >= 0); - assert_se(sd_rtnl_message_append_u32(m, IFLA_GROUP, 0) >= 0); - assert_se(sd_rtnl_message_append_u32(m, IFLA_TXQLEN, 0) >= 0); - assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0); - assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0); - - assert_se(sd_rtnl_call(rtnl, m, -1, &r) == 1); - - assert_se(sd_rtnl_message_read_string(r, IFLA_IFNAME, &str_data) == 0); - - assert_se(sd_rtnl_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0); - assert_se(sd_rtnl_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0); - assert_se(sd_rtnl_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0); - - assert_se(sd_rtnl_message_read_u32(r, IFLA_MTU, &u32_data) == 0); - assert_se(sd_rtnl_message_read_u32(r, IFLA_GROUP, &u32_data) == 0); - assert_se(sd_rtnl_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0); - assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0); - assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0); - - assert_se(sd_rtnl_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0); - - assert_se(sd_rtnl_flush(rtnl) >= 0); - assert_se((m = sd_rtnl_message_unref(m)) == NULL); - assert_se((r = sd_rtnl_message_unref(r)) == NULL); -} - - -static void test_address_get(sd_rtnl *rtnl, int ifindex) { - sd_rtnl_message *m; - sd_rtnl_message *r; - struct in_addr in_data; - struct ifa_cacheinfo cache; - const char *label; - - assert_se(sd_rtnl_message_new_addr(rtnl, &m, RTM_GETADDR, ifindex, AF_INET) >= 0); - assert_se(m); - - assert_se(sd_rtnl_call(rtnl, m, -1, &r) == 1); - - assert_se(sd_rtnl_message_read_in_addr(r, IFA_LOCAL, &in_data) == 0); - assert_se(sd_rtnl_message_read_in_addr(r, IFA_ADDRESS, &in_data) == 0); - assert_se(sd_rtnl_message_read_string(r, IFA_LABEL, &label) == 0); - assert_se(sd_rtnl_message_read_cache_info(r, IFA_CACHEINFO, &cache) == 0); - - assert_se(sd_rtnl_flush(rtnl) >= 0); - assert_se((m = sd_rtnl_message_unref(m)) == NULL); - assert_se((r = sd_rtnl_message_unref(r)) == NULL); - -} - -static void test_route(void) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req; - struct in_addr addr, addr_data; - uint32_t index = 2, u32_data; - int r; - - r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC); - if (r < 0) { - log_error_errno(r, "Could not create RTM_NEWROUTE message: %m"); - return; - } - - addr.s_addr = htonl(INADDR_LOOPBACK); - - r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &addr); - if (r < 0) { - log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); - return; - } - - r = sd_rtnl_message_append_u32(req, RTA_OIF, index); - if (r < 0) { - log_error_errno(r, "Could not append RTA_OIF attribute: %m"); - return; - } - - assert_se(sd_rtnl_message_rewind(req) >= 0); - - assert_se(sd_rtnl_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0); - assert_se(addr_data.s_addr == addr.s_addr); - - assert_se(sd_rtnl_message_read_u32(req, RTA_OIF, &u32_data) >= 0); - assert_se(u32_data == index); - - assert_se((req = sd_rtnl_message_unref(req)) == NULL); -} - -static void test_multiple(void) { - sd_rtnl *rtnl1, *rtnl2; - - assert_se(sd_rtnl_open(&rtnl1) >= 0); - assert_se(sd_rtnl_open(&rtnl2) >= 0); - - rtnl1 = sd_rtnl_unref(rtnl1); - rtnl2 = sd_rtnl_unref(rtnl2); -} - -static int link_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { - char *ifname = userdata; - const char *data; - - assert_se(rtnl); - assert_se(m); - - log_info("got link info about %s", ifname); - free(ifname); - - assert_se(sd_rtnl_message_read_string(m, IFLA_IFNAME, &data) >= 0); - assert_se(streq(data, "lo")); - - return 1; -} - -static void test_event_loop(int ifindex) { - _cleanup_event_unref_ sd_event *event = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - char *ifname; - - ifname = strdup("lo2"); - assert_se(ifname); - - assert_se(sd_rtnl_open(&rtnl) >= 0); - assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); - - assert_se(sd_rtnl_call_async(rtnl, m, &link_handler, ifname, 0, NULL) >= 0); - - assert_se(sd_event_default(&event) >= 0); - - assert_se(sd_rtnl_attach_event(rtnl, event, 0) >= 0); - - assert_se(sd_event_run(event, 0) >= 0); - - assert_se(sd_rtnl_detach_event(rtnl) >= 0); - - assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL); -} - -static int pipe_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { - int *counter = userdata; - int r; - - (*counter) --; - - r = sd_rtnl_message_get_errno(m); - - log_info_errno(r, "%d left in pipe. got reply: %m", *counter); - - assert_se(r >= 0); - - return 1; -} - -static void test_async(int ifindex) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL, *r = NULL; - uint32_t serial; - char *ifname; - - ifname = strdup("lo"); - assert_se(ifname); - - assert_se(sd_rtnl_open(&rtnl) >= 0); - - assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); - - assert_se(sd_rtnl_call_async(rtnl, m, &link_handler, ifname, 0, &serial) >= 0); - - assert_se(sd_rtnl_wait(rtnl, 0) >= 0); - assert_se(sd_rtnl_process(rtnl, &r) >= 0); - - assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL); -} - -static void test_pipe(int ifindex) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - _cleanup_rtnl_message_unref_ sd_rtnl_message *m1 = NULL, *m2 = NULL; - int counter = 0; - - assert_se(sd_rtnl_open(&rtnl) >= 0); - - assert_se(sd_rtnl_message_new_link(rtnl, &m1, RTM_GETLINK, ifindex) >= 0); - assert_se(sd_rtnl_message_new_link(rtnl, &m2, RTM_GETLINK, ifindex) >= 0); - - counter ++; - assert_se(sd_rtnl_call_async(rtnl, m1, &pipe_handler, &counter, 0, NULL) >= 0); - - counter ++; - assert_se(sd_rtnl_call_async(rtnl, m2, &pipe_handler, &counter, 0, NULL) >= 0); - - while (counter > 0) { - assert_se(sd_rtnl_wait(rtnl, 0) >= 0); - assert_se(sd_rtnl_process(rtnl, NULL) >= 0); - } - - assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL); -} - -static void test_container(void) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - uint16_t u16_data; - uint32_t u32_data; - const char *string_data; - - assert_se(sd_rtnl_message_new_link(NULL, &m, RTM_NEWLINK, 0) >= 0); - - assert_se(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0); - assert_se(sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "vlan") >= 0); - assert_se(sd_rtnl_message_append_u16(m, IFLA_VLAN_ID, 100) >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); - assert_se(sd_rtnl_message_append_string(m, IFLA_INFO_KIND, "vlan") >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); - assert_se(sd_rtnl_message_close_container(m) == -EINVAL); - - assert_se(sd_rtnl_message_rewind(m) >= 0); - - assert_se(sd_rtnl_message_enter_container(m, IFLA_LINKINFO) >= 0); - assert_se(sd_rtnl_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0); - assert_se(streq("vlan", string_data)); - - assert_se(sd_rtnl_message_enter_container(m, IFLA_INFO_DATA) >= 0); - assert_se(sd_rtnl_message_read_u16(m, IFLA_VLAN_ID, &u16_data) >= 0); - assert_se(sd_rtnl_message_exit_container(m) >= 0); - - assert_se(sd_rtnl_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0); - assert_se(streq("vlan", string_data)); - assert_se(sd_rtnl_message_exit_container(m) >= 0); - - assert_se(sd_rtnl_message_read_u32(m, IFLA_LINKINFO, &u32_data) < 0); - - assert_se(sd_rtnl_message_exit_container(m) == -EINVAL); -} - -static void test_match(void) { - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - - assert_se(sd_rtnl_open(&rtnl) >= 0); - - assert_se(sd_rtnl_add_match(rtnl, RTM_NEWLINK, &link_handler, NULL) >= 0); - assert_se(sd_rtnl_add_match(rtnl, RTM_NEWLINK, &link_handler, NULL) >= 0); - - assert_se(sd_rtnl_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 1); - assert_se(sd_rtnl_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 1); - assert_se(sd_rtnl_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 0); - - assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL); -} - -static void test_get_addresses(sd_rtnl *rtnl) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_message *m; - - assert_se(sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC) >= 0); - - assert_se(sd_rtnl_call(rtnl, req, 0, &reply) >= 0); - - for (m = reply; m; m = sd_rtnl_message_next(m)) { - uint16_t type; - unsigned char scope, flags; - int family, ifindex; - - assert_se(sd_rtnl_message_get_type(m, &type) >= 0); - assert_se(type == RTM_NEWADDR); - - assert_se(sd_rtnl_message_addr_get_ifindex(m, &ifindex) >= 0); - assert_se(sd_rtnl_message_addr_get_family(m, &family) >= 0); - assert_se(sd_rtnl_message_addr_get_scope(m, &scope) >= 0); - assert_se(sd_rtnl_message_addr_get_flags(m, &flags) >= 0); - - assert_se(ifindex > 0); - assert_se(family == AF_INET || family == AF_INET6); - - log_info("got IPv%u address on ifindex %i", family == AF_INET ? 4: 6, ifindex); - } -} - -static void test_message(void) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - - assert_se(rtnl_message_new_synthetic_error(-ETIMEDOUT, 1, &m) >= 0); - assert_se(sd_rtnl_message_get_errno(m) == -ETIMEDOUT); -} - -int main(void) { - sd_rtnl *rtnl; - sd_rtnl_message *m; - sd_rtnl_message *r; - const char *string_data; - int if_loopback; - uint16_t type; - - test_message(); - - test_match(); - - test_multiple(); - - test_route(); - - test_container(); - - assert_se(sd_rtnl_open(&rtnl) >= 0); - assert_se(rtnl); - - if_loopback = (int) if_nametoindex("lo"); - assert_se(if_loopback > 0); - - test_async(if_loopback); - - test_pipe(if_loopback); - - test_event_loop(if_loopback); - - test_link_configure(rtnl, if_loopback); - - test_get_addresses(rtnl); - - test_message_link_bridge(rtnl); - - assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, if_loopback) >= 0); - assert_se(m); - - assert_se(sd_rtnl_message_get_type(m, &type) >= 0); - assert_se(type == RTM_GETLINK); - - assert_se(sd_rtnl_message_read_string(m, IFLA_IFNAME, &string_data) == -EPERM); - - assert_se(sd_rtnl_call(rtnl, m, 0, &r) == 1); - assert_se(sd_rtnl_message_get_type(r, &type) >= 0); - assert_se(type == RTM_NEWLINK); - - assert_se((r = sd_rtnl_message_unref(r)) == NULL); - - assert_se(sd_rtnl_call(rtnl, m, -1, &r) == -EPERM); - assert_se((m = sd_rtnl_message_unref(m)) == NULL); - assert_se((r = sd_rtnl_message_unref(r)) == NULL); - - test_link_get(rtnl, if_loopback); - test_address_get(rtnl, if_loopback); - - assert_se(sd_rtnl_flush(rtnl) >= 0); - assert_se((m = sd_rtnl_message_unref(m)) == NULL); - assert_se((r = sd_rtnl_message_unref(r)) == NULL); - assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL); - - return EXIT_SUCCESS; -} diff --git a/src/network/networkctl.c b/src/network/networkctl.c index 8e20f70aae..9d6c453dbc 100644 --- a/src/network/networkctl.c +++ b/src/network/networkctl.c @@ -24,7 +24,7 @@ #include <net/if.h> #include "sd-network.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "sd-hwdb.h" #include "sd-device.h" @@ -33,7 +33,7 @@ #include "util.h" #include "pager.h" #include "lldp.h" -#include "rtnl-util.h" +#include "netlink-util.h" #include "device-util.h" #include "hwdb-util.h" #include "arphrd-list.h" @@ -112,19 +112,19 @@ static int link_info_compare(const void *a, const void *b) { return x->ifindex - y->ifindex; } -static int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) { +static int decode_and_sort_links(sd_netlink_message *m, LinkInfo **ret) { _cleanup_free_ LinkInfo *links = NULL; size_t size = 0, c = 0; - sd_rtnl_message *i; + sd_netlink_message *i; int r; - for (i = m; i; i = sd_rtnl_message_next(i)) { + for (i = m; i; i = sd_netlink_message_next(i)) { const char *name; unsigned iftype; uint16_t type; int ifindex; - r = sd_rtnl_message_get_type(i, &type); + r = sd_netlink_message_get_type(i, &type); if (r < 0) return r; @@ -135,7 +135,7 @@ static int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) { if (r < 0) return r; - r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name); + r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name); if (r < 0) return r; @@ -192,14 +192,14 @@ static void setup_state_to_color(const char *state, const char **on, const char } static int list_links(int argc, char *argv[], void *userdata) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; _cleanup_free_ LinkInfo *links = NULL; int r, c, i; pager_open_if_enabled(); - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -207,11 +207,11 @@ static int list_links(int argc, char *argv[], void *userdata) { if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return log_error_errno(r, "Failed to enumerate links: %m"); @@ -287,14 +287,14 @@ static int ieee_oui(sd_hwdb *hwdb, struct ether_addr *mac, char **ret) { } static int get_gateway_description( - sd_rtnl *rtnl, + sd_netlink *rtnl, sd_hwdb *hwdb, int ifindex, int family, union in_addr_union *gateway, char **gateway_description) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_message *m; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *m; int r; assert(rtnl); @@ -307,27 +307,27 @@ static int get_gateway_description( if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return r; - for (m = reply; m; m = sd_rtnl_message_next(m)) { + for (m = reply; m; m = sd_netlink_message_next(m)) { union in_addr_union gw = {}; struct ether_addr mac = {}; uint16_t type; int ifi, fam; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0) { log_error_errno(r, "got error: %m"); continue; } - r = sd_rtnl_message_get_type(m, &type); + r = sd_netlink_message_get_type(m, &type); if (r < 0) { log_error_errno(r, "could not get type: %m"); continue; @@ -360,13 +360,13 @@ static int get_gateway_description( switch (fam) { case AF_INET: - r = sd_rtnl_message_read_in_addr(m, NDA_DST, &gw.in); + r = sd_netlink_message_read_in_addr(m, NDA_DST, &gw.in); if (r < 0) continue; break; case AF_INET6: - r = sd_rtnl_message_read_in6_addr(m, NDA_DST, &gw.in6); + r = sd_netlink_message_read_in6_addr(m, NDA_DST, &gw.in6); if (r < 0) continue; @@ -378,7 +378,7 @@ static int get_gateway_description( if (!in_addr_equal(fam, &gw, gateway)) continue; - r = sd_rtnl_message_read_ether_addr(m, NDA_LLADDR, &mac); + r = sd_netlink_message_read_ether_addr(m, NDA_LLADDR, &mac); if (r < 0) continue; @@ -393,7 +393,7 @@ static int get_gateway_description( } static int dump_gateways( - sd_rtnl *rtnl, + sd_netlink *rtnl, sd_hwdb *hwdb, const char *prefix, int ifindex) { @@ -442,7 +442,7 @@ static int dump_gateways( } static int dump_addresses( - sd_rtnl *rtnl, + sd_netlink *rtnl, const char *prefix, int ifindex) { @@ -493,12 +493,12 @@ static void dump_list(const char *prefix, char **l) { } static int link_status_one( - sd_rtnl *rtnl, + sd_netlink *rtnl, sd_hwdb *hwdb, const char *name) { _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL; _cleanup_free_ char *setup_state = NULL, *operational_state = NULL; - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; _cleanup_device_unref_ sd_device *d = NULL; char devid[2 + DECIMAL_STR_MAX(int)]; _cleanup_free_ char *t = NULL, *network = NULL; @@ -523,13 +523,13 @@ static int link_status_one( if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_message_append_string(req, IFLA_IFNAME, name); + r = sd_netlink_message_append_string(req, IFLA_IFNAME, name); } if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return log_error_errno(r, "Failed to query link: %m"); @@ -537,7 +537,7 @@ static int link_status_one( if (r < 0) return rtnl_log_parse_error(r); - r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &name); + r = sd_netlink_message_read_string(reply, IFLA_IFNAME, &name); if (r < 0) return rtnl_log_parse_error(r); @@ -545,7 +545,7 @@ static int link_status_one( if (r < 0) return rtnl_log_parse_error(r); - have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0; + have_mac = sd_netlink_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0; if (have_mac) { const uint8_t *p; @@ -561,7 +561,7 @@ static int link_status_one( have_mac = false; } - sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu); + sd_netlink_message_read_u32(reply, IFLA_MTU, &mtu); sd_network_link_get_operational_state(ifindex, &operational_state); operational_state_to_color(operational_state, &on_color_operational, &off_color_operational); @@ -666,11 +666,11 @@ static int link_status_one( static int link_status(int argc, char *argv[], void *userdata) { _cleanup_hwdb_unref_ sd_hwdb *hwdb = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; char **name; int r; - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -711,7 +711,7 @@ static int link_status(int argc, char *argv[], void *userdata) { pager_open_if_enabled(); if (arg_all) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; _cleanup_free_ LinkInfo *links = NULL; int c, i; @@ -719,11 +719,11 @@ static int link_status(int argc, char *argv[], void *userdata) { if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return log_error_errno(r, "Failed to enumerate links: %m"); @@ -897,8 +897,8 @@ static char *lldp_system_caps(uint16_t cap) { } static int link_lldp_status(int argc, char *argv[], void *userdata) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; _cleanup_free_ LinkInfo *links = NULL; const char *state, *word; @@ -910,7 +910,7 @@ static int link_lldp_status(int argc, char *argv[], void *userdata) { pager_open_if_enabled(); - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -918,11 +918,11 @@ static int link_lldp_status(int argc, char *argv[], void *userdata) { if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_call(rtnl, req, 0, &reply); + r = sd_netlink_call(rtnl, req, 0, &reply); if (r < 0) return log_error_errno(r, "Failed to enumerate links: %m"); diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c index 069ba3eccb..944da3f5b8 100644 --- a/src/network/networkd-address.c +++ b/src/network/networkd-address.c @@ -151,8 +151,8 @@ int address_release(Address *address, Link *link) { } int address_drop(Address *address, Link *link, - sd_rtnl_message_handler_t callback) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + sd_netlink_message_handler_t callback) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(address); @@ -174,13 +174,13 @@ int address_drop(Address *address, Link *link, return log_error_errno(r, "Could not set prefixlen: %m"); if (address->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); + r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); else if (address->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); + r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); if (r < 0) return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_error_errno(r, "Could not send rtnetlink message: %m"); @@ -190,8 +190,8 @@ int address_drop(Address *address, Link *link, } int address_update(Address *address, Link *link, - sd_rtnl_message_handler_t callback) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + sd_netlink_message_handler_t callback) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(address); @@ -216,7 +216,7 @@ int address_update(Address *address, Link *link, return log_error_errno(r, "Could not set flags: %m"); if (address->flags & ~0xff && link->rtnl_extended_attrs) { - r = sd_rtnl_message_append_u32(req, IFA_FLAGS, address->flags); + r = sd_netlink_message_append_u32(req, IFA_FLAGS, address->flags); if (r < 0) return log_error_errno(r, "Could not set extended flags: %m"); } @@ -226,29 +226,29 @@ int address_update(Address *address, Link *link, return log_error_errno(r, "Could not set scope: %m"); if (address->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); + r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); else if (address->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); + r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); if (r < 0) return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m"); if (address->family == AF_INET) { - r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); + r = sd_netlink_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); if (r < 0) return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m"); } if (address->label) { - r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label); + r = sd_netlink_message_append_string(req, IFA_LABEL, address->label); if (r < 0) return log_error_errno(r, "Could not append IFA_LABEL attribute: %m"); } - r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo); + r = sd_netlink_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo); if (r < 0) return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_error_errno(r, "Could not send rtnetlink message: %m"); @@ -317,8 +317,8 @@ static int address_acquire(Link *link, Address *original, Address **ret) { } int address_configure(Address *address, Link *link, - sd_rtnl_message_handler_t callback) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + sd_netlink_message_handler_t callback) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(address); @@ -348,7 +348,7 @@ int address_configure(Address *address, Link *link, return log_error_errno(r, "Could not set flags: %m"); if (address->flags & ~0xff) { - r = sd_rtnl_message_append_u32(req, IFA_FLAGS, address->flags); + r = sd_netlink_message_append_u32(req, IFA_FLAGS, address->flags); if (r < 0) return log_error_errno(r, "Could not set extended flags: %m"); } @@ -358,39 +358,39 @@ int address_configure(Address *address, Link *link, return log_error_errno(r, "Could not set scope: %m"); if (address->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); + r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); else if (address->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); + r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); if (r < 0) return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m"); if (!in_addr_is_null(address->family, &address->in_addr_peer)) { if (address->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in); + r = sd_netlink_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in); else if (address->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6); + r = sd_netlink_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6); if (r < 0) return log_error_errno(r, "Could not append IFA_ADDRESS attribute: %m"); } else { if (address->family == AF_INET) { - r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); + r = sd_netlink_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); if (r < 0) return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m"); } } if (address->label) { - r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label); + r = sd_netlink_message_append_string(req, IFA_LABEL, address->label); if (r < 0) return log_error_errno(r, "Could not append IFA_LABEL attribute: %m"); } - r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, + r = sd_netlink_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo); if (r < 0) return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_error_errno(r, "Could not send rtnetlink message: %m"); diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c index 71cc722bcc..d446bfa8b3 100644 --- a/src/network/networkd-dhcp4.c +++ b/src/network/networkd-dhcp4.c @@ -27,7 +27,7 @@ #include "network-internal.h" #include "dhcp-lease-internal.h" -static int dhcp4_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, +static int dhcp4_route_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -37,7 +37,7 @@ static int dhcp4_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, link->dhcp4_messages --; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error(link, "could not set DHCPv4 route: %s", strerror(-r)); @@ -285,14 +285,14 @@ static int dhcp_lease_lost(Link *link) { return 0; } -static int dhcp4_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, +static int dhcp4_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error(link, "could not set DHCPv4 address: %s", strerror(-r)); diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c index 33e18137d2..3a5ac1c39b 100644 --- a/src/network/networkd-dhcp6.c +++ b/src/network/networkd-dhcp6.c @@ -35,14 +35,14 @@ static int dhcp6_lease_information_acquired(sd_dhcp6_client *client, return 0; } -static int dhcp6_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, +static int dhcp6_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { if (link->rtnl_extended_attrs) { log_link_warning(link, "Could not set extended netlink attributes, reverting to fallback mechanism"); diff --git a/src/network/networkd-fdb.c b/src/network/networkd-fdb.c index 796d1117b6..0f2510e904 100644 --- a/src/network/networkd-fdb.c +++ b/src/network/networkd-fdb.c @@ -80,13 +80,13 @@ int fdb_entry_new_static(Network *const network, return 0; } -static int set_fdb_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int set_fdb_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { Link *link = userdata; int r; assert(link); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) log_link_error_errno(link, r, "Could not add FDB entry: %m"); @@ -95,8 +95,8 @@ static int set_fdb_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { /* send a request to the kernel to add a FDB entry in its static MAC table. */ int fdb_entry_configure(Link *const link, FdbEntry *const fdb_entry) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; - sd_rtnl *rtnl; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; + sd_netlink *rtnl; int r; assert(link); @@ -120,19 +120,19 @@ int fdb_entry_configure(Link *const link, FdbEntry *const fdb_entry) { if (r < 0) return rtnl_log_create_error(r); - r = sd_rtnl_message_append_ether_addr(req, NDA_LLADDR, fdb_entry->mac_addr); + r = sd_netlink_message_append_ether_addr(req, NDA_LLADDR, fdb_entry->mac_addr); if (r < 0) return rtnl_log_create_error(r); /* VLAN Id is optional. We'll add VLAN Id only if it's specified. */ if (0 != fdb_entry->vlan_id) { - r = sd_rtnl_message_append_u16(req, NDA_VLAN, fdb_entry->vlan_id); + r = sd_netlink_message_append_u16(req, NDA_VLAN, fdb_entry->vlan_id); if (r < 0) return rtnl_log_create_error(r); } /* send message to the kernel to update its internal static MAC table. */ - r = sd_rtnl_call_async(rtnl, req, set_fdb_handler, link, 0, NULL); + r = sd_netlink_call_async(rtnl, req, set_fdb_handler, link, 0, NULL); if (r < 0) return log_link_error_errno(link, r, "Could not send rtnetlink message: %m"); diff --git a/src/network/networkd-ipv4ll.c b/src/network/networkd-ipv4ll.c index 14b8770429..0a27a30278 100644 --- a/src/network/networkd-ipv4ll.c +++ b/src/network/networkd-ipv4ll.c @@ -73,14 +73,14 @@ static int ipv4ll_address_lost(Link *link) { return 0; } -static int ipv4ll_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int ipv4ll_route_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); assert(!link->ipv4ll_route); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error(link, "could not set ipv4ll route: %s", strerror(-r)); link_enter_failed(link); @@ -94,14 +94,14 @@ static int ipv4ll_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdat return 1; } -static int ipv4ll_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int ipv4ll_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); assert(!link->ipv4ll_address); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error(link, "could not set ipv4ll address: %s", strerror(-r)); link_enter_failed(link); diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index b1947886b7..16243a5352 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -121,7 +121,7 @@ static bool link_ipv6_forward_enabled(Link *link) { ? ((old & flag) ? (" -" string) : (" +" string)) \ : "") -static int link_update_flags(Link *link, sd_rtnl_message *m) { +static int link_update_flags(Link *link, sd_netlink_message *m) { unsigned flags, unknown_flags_added, unknown_flags_removed, unknown_flags; uint8_t operstate; int r; @@ -132,7 +132,7 @@ static int link_update_flags(Link *link, sd_rtnl_message *m) { if (r < 0) return log_link_warning_errno(link, r, "Could not get link flags: %m"); - r = sd_rtnl_message_read_u8(m, IFLA_OPERSTATE, &operstate); + r = sd_netlink_message_read_u8(m, IFLA_OPERSTATE, &operstate); if (r < 0) /* if we got a message without operstate, take it to mean the state was unchanged */ @@ -193,7 +193,7 @@ static int link_update_flags(Link *link, sd_rtnl_message *m) { return 0; } -static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) { +static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) { _cleanup_link_unref_ Link *link = NULL; uint16_t type; const char *ifname; @@ -203,7 +203,7 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) { assert(message); assert(ret); - r = sd_rtnl_message_get_type(message, &type); + r = sd_netlink_message_get_type(message, &type); if (r < 0) return r; else if (type != RTM_NEWLINK) @@ -215,7 +215,7 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) { else if (ifindex <= 0) return -EINVAL; - r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &ifname); + r = sd_netlink_message_read_string(message, IFLA_IFNAME, &ifname); if (r < 0) return r; @@ -232,7 +232,7 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) { if (!link->ifname) return -ENOMEM; - r = sd_rtnl_message_read_ether_addr(message, IFLA_ADDRESS, &link->mac); + r = sd_netlink_message_read_ether_addr(message, IFLA_ADDRESS, &link->mac); if (r < 0) log_link_debug(link, "MAC address not found for new device, continuing without"); @@ -497,7 +497,7 @@ void link_client_handler(Link *link) { return; } -static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int route_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -511,7 +511,7 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) log_link_warning_errno(link, r, "%-*s: could not set route: %m", IFNAMSIZ, link->ifname); @@ -554,7 +554,7 @@ static int link_enter_set_routes(Link *link) { return 0; } -int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +int link_route_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -565,14 +565,14 @@ int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -ESRCH) log_link_warning_errno(link, r, "%-*s: could not drop route: %m", IFNAMSIZ, link->ifname); return 1; } -static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -589,7 +589,7 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) log_link_warning_errno(link, r, "%-*s: could not set address: %m", IFNAMSIZ, link->ifname); else if (r >= 0) @@ -682,7 +682,7 @@ static int link_enter_set_addresses(Link *link) { return 0; } -int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +int link_address_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -693,7 +693,7 @@ int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EADDRNOTAVAIL) log_link_warning_errno(link, r, "%-*s: could not drop address: %m", IFNAMSIZ, link->ifname); @@ -715,13 +715,13 @@ static int link_set_bridge_fdb(Link *const link) { return r; } -static int link_set_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int link_set_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; log_link_debug(link, "Set link"); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error_errno(link, r, "Could not join netdev: %m"); link_enter_failed(link); @@ -784,7 +784,7 @@ int link_set_hostname(Link *link, const char *hostname) { return 0; } -static int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int set_mtu_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -795,7 +795,7 @@ static int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0) log_link_warning_errno(link, r, "%-*s: could not set MTU: %m", IFNAMSIZ, link->ifname); @@ -803,7 +803,7 @@ static int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { } int link_set_mtu(Link *link, uint32_t mtu) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(link); @@ -816,11 +816,11 @@ int link_set_mtu(Link *link, uint32_t mtu) { if (r < 0) return log_link_error_errno(link, r, "Could not allocate RTM_SETLINK message: %m"); - r = sd_rtnl_message_append_u32(req, IFLA_MTU, mtu); + r = sd_netlink_message_append_u32(req, IFLA_MTU, mtu); if (r < 0) return log_link_error_errno(link, r, "Could not append MTU: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, set_mtu_handler, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, set_mtu_handler, link, 0, NULL); if (r < 0) return log_link_error_errno(link, r, "Could not send rtnetlink message: %m"); @@ -830,7 +830,7 @@ int link_set_mtu(Link *link, uint32_t mtu) { } static int link_set_bridge(Link *link) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(link); @@ -847,21 +847,21 @@ static int link_set_bridge(Link *link) { if (r < 0) return log_link_error_errno(link, r, "Could not set message family: %m"); - r = sd_rtnl_message_open_container(req, IFLA_PROTINFO); + r = sd_netlink_message_open_container(req, IFLA_PROTINFO); if (r < 0) return log_link_error_errno(link, r, "Could not append IFLA_PROTINFO attribute: %m"); if(link->network->cost != 0) { - r = sd_rtnl_message_append_u32(req, IFLA_BRPORT_COST, link->network->cost); + r = sd_netlink_message_append_u32(req, IFLA_BRPORT_COST, link->network->cost); if (r < 0) return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_COST attribute: %m"); } - r = sd_rtnl_message_close_container(req); + r = sd_netlink_message_close_container(req); if (r < 0) return log_link_error_errno(link, r, "Could not append IFLA_LINKINFO attribute: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, link_set_handler, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, link_set_handler, link, 0, NULL); if (r < 0) return log_link_error_errno(link, r, "Could not send rtnetlink message: %m"); @@ -952,7 +952,7 @@ bool link_has_carrier(Link *link) { return false; } -static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int link_up_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -961,7 +961,7 @@ static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0) /* we warn but don't fail the link, as it may be brought up later */ @@ -971,7 +971,7 @@ static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { } static int link_up(Link *link) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; uint8_t ipv6ll_mode; int r; @@ -991,48 +991,48 @@ static int link_up(Link *link) { return log_link_error_errno(link, r, "Could not set link flags: %m"); if (link->network->mac) { - r = sd_rtnl_message_append_ether_addr(req, IFLA_ADDRESS, link->network->mac); + r = sd_netlink_message_append_ether_addr(req, IFLA_ADDRESS, link->network->mac); if (r < 0) return log_link_error_errno(link, r, "Could not set MAC address: %m"); } if (link->network->mtu) { - r = sd_rtnl_message_append_u32(req, IFLA_MTU, link->network->mtu); + r = sd_netlink_message_append_u32(req, IFLA_MTU, link->network->mtu); if (r < 0) return log_link_error_errno(link, r, "Could not set MTU: %m"); } - r = sd_rtnl_message_open_container(req, IFLA_AF_SPEC); + r = sd_netlink_message_open_container(req, IFLA_AF_SPEC); if (r < 0) return log_link_error_errno(link, r, "Could not open IFLA_AF_SPEC container: %m"); if (socket_ipv6_is_supported()) { /* if the kernel lacks ipv6 support setting IFF_UP fails if any ipv6 options are passed */ - r = sd_rtnl_message_open_container(req, AF_INET6); + r = sd_netlink_message_open_container(req, AF_INET6); if (r < 0) return log_link_error_errno(link, r, "Could not open AF_INET6 container: %m"); ipv6ll_mode = link_ipv6ll_enabled(link) ? IN6_ADDR_GEN_MODE_EUI64 : IN6_ADDR_GEN_MODE_NONE; - r = sd_rtnl_message_append_u8(req, IFLA_INET6_ADDR_GEN_MODE, ipv6ll_mode); + r = sd_netlink_message_append_u8(req, IFLA_INET6_ADDR_GEN_MODE, ipv6ll_mode); if (r < 0) return log_link_error_errno(link, r, "Could not append IFLA_INET6_ADDR_GEN_MODE: %m"); if (!in_addr_is_null(AF_INET6, &link->network->ipv6_token)) { - r = sd_rtnl_message_append_in6_addr(req, IFLA_INET6_TOKEN, &link->network->ipv6_token.in6); + r = sd_netlink_message_append_in6_addr(req, IFLA_INET6_TOKEN, &link->network->ipv6_token.in6); if (r < 0) return log_link_error_errno(link, r, "Could not append IFLA_INET6_TOKEN: %m"); } - r = sd_rtnl_message_close_container(req); + r = sd_netlink_message_close_container(req); if (r < 0) return log_link_error_errno(link, r, "Could not close AF_INET6 container: %m"); } - r = sd_rtnl_message_close_container(req); + r = sd_netlink_message_close_container(req); if (r < 0) return log_link_error_errno(link, r, "Could not close IFLA_AF_SPEC container: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, link_up_handler, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, link_up_handler, link, 0, NULL); if (r < 0) return log_link_error_errno(link, r, "Could not send rtnetlink message: %m"); @@ -1041,7 +1041,7 @@ static int link_up(Link *link) { return 0; } -static int link_down_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int link_down_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -1050,7 +1050,7 @@ static int link_down_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0) log_link_warning_errno(link, r, "%-*s: could not bring down interface: %m", IFNAMSIZ, link->ifname); @@ -1058,7 +1058,7 @@ static int link_down_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) } static int link_down(Link *link) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(link); @@ -1076,7 +1076,7 @@ static int link_down(Link *link) { if (r < 0) return log_link_error_errno(link, r, "Could not set link flags: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, link_down_handler, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, link_down_handler, link, 0, NULL); if (r < 0) return log_link_error_errno(link, r, "Could not send rtnetlink message: %m"); @@ -1360,7 +1360,7 @@ static int link_joined(Link *link) { return link_enter_set_addresses(link); } -static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m, +static int netdev_join_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -1373,7 +1373,7 @@ static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m, if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return 1; - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error_errno(link, r, "%-*s: could not join netdev: %m", IFNAMSIZ, link->ifname); link_enter_failed(link); @@ -1578,7 +1578,7 @@ static int link_configure(Link *link) { return link_enter_join_netdev(link); } -static int link_initialized_and_synced(sd_rtnl *rtnl, sd_rtnl_message *m, +static int link_initialized_and_synced(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; Network *network; @@ -1636,7 +1636,7 @@ static int link_initialized_and_synced(sd_rtnl *rtnl, sd_rtnl_message *m, } int link_initialized(Link *link, struct udev_device *device) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(link); @@ -1664,7 +1664,7 @@ int link_initialized(Link *link, struct udev_device *device) { if (r < 0) return r; - r = sd_rtnl_call_async(link->manager->rtnl, req, + r = sd_netlink_call_async(link->manager->rtnl, req, link_initialized_and_synced, link, 0, NULL); if (r < 0) return r; @@ -1687,7 +1687,7 @@ static Address* link_get_equal_address(Link *link, Address *needle) { return NULL; } -int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) { +int link_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { Manager *m = userdata; Link *link = NULL; uint16_t type; @@ -1702,15 +1702,15 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use assert(message); assert(m); - if (sd_rtnl_message_is_error(message)) { - r = sd_rtnl_message_get_errno(message); + if (sd_netlink_message_is_error(message)) { + r = sd_netlink_message_get_errno(message); if (r < 0) log_warning_errno(r, "rtnl: failed to receive address: %m"); return 0; } - r = sd_rtnl_message_get_type(message, &type); + r = sd_netlink_message_get_type(message, &type); if (r < 0) { log_warning_errno(r, "rtnl: could not get message type: %m"); return 0; @@ -1768,7 +1768,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use switch (address->family) { case AF_INET: - r = sd_rtnl_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in); + r = sd_netlink_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in); if (r < 0) { log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m"); return 0; @@ -1777,7 +1777,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use break; case AF_INET6: - r = sd_rtnl_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6); + r = sd_netlink_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6); if (r < 0) { log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m"); return 0; @@ -1794,7 +1794,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use return 0; } - r = sd_rtnl_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo); + r = sd_netlink_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo); if (r >= 0) { if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME) valid_str = "ever"; @@ -1847,7 +1847,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use return 1; } -int link_add(Manager *m, sd_rtnl_message *message, Link **ret) { +int link_add(Manager *m, sd_netlink_message *message, Link **ret) { Link *link; _cleanup_udev_device_unref_ struct udev_device *device = NULL; char ifindex_str[2 + DECIMAL_STR_MAX(int)]; @@ -1953,7 +1953,7 @@ int link_carrier_reset(Link *link) { } -int link_update(Link *link, sd_rtnl_message *m) { +int link_update(Link *link, sd_netlink_message *m) { struct ether_addr mac; const char *ifname; uint32_t mtu; @@ -1974,7 +1974,7 @@ int link_update(Link *link, sd_rtnl_message *m) { return r; } - r = sd_rtnl_message_read_string(m, IFLA_IFNAME, &ifname); + r = sd_netlink_message_read_string(m, IFLA_IFNAME, &ifname); if (r >= 0 && !streq(ifname, link->ifname)) { log_link_info(link, "Renamed to %s", ifname); @@ -1990,7 +1990,7 @@ int link_update(Link *link, sd_rtnl_message *m) { return r; } - r = sd_rtnl_message_read_u32(m, IFLA_MTU, &mtu); + r = sd_netlink_message_read_u32(m, IFLA_MTU, &mtu); if (r >= 0 && mtu > 0) { link->mtu = mtu; if (!link->original_mtu) { @@ -2010,7 +2010,7 @@ int link_update(Link *link, sd_rtnl_message *m) { /* The kernel may broadcast NEWLINK messages without the MAC address set, simply ignore them. */ - r = sd_rtnl_message_read_ether_addr(m, IFLA_ADDRESS, &mac); + r = sd_netlink_message_read_ether_addr(m, IFLA_ADDRESS, &mac); if (r >= 0) { if (memcmp(link->mac.ether_addr_octet, mac.ether_addr_octet, ETH_ALEN)) { diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h index c599952c45..2dcbbda607 100644 --- a/src/network/networkd-link.h +++ b/src/network/networkd-link.h @@ -94,19 +94,19 @@ struct Link { Link *link_unref(Link *link); Link *link_ref(Link *link); int link_get(Manager *m, int ifindex, Link **ret); -int link_add(Manager *manager, sd_rtnl_message *message, Link **ret); +int link_add(Manager *manager, sd_netlink_message *message, Link **ret); void link_drop(Link *link); -int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata); -int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata); +int link_address_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata); +int link_route_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata); void link_enter_failed(Link *link); int link_initialized(Link *link, struct udev_device *device); void link_client_handler(Link *link); -int link_update(Link *link, sd_rtnl_message *message); -int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata); +int link_update(Link *link, sd_netlink_message *message); +int link_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata); int link_save(Link *link); diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c index 9936a8e7cd..a5c2351cf9 100644 --- a/src/network/networkd-manager.c +++ b/src/network/networkd-manager.c @@ -29,12 +29,12 @@ #include "networkd-link.h" #include "libudev-private.h" #include "udev-util.h" -#include "rtnl-util.h" +#include "netlink-util.h" #include "bus-util.h" #include "def.h" #include "virt.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "sd-daemon.h" /* use 8 MB for receive socket kernel queue. */ @@ -274,7 +274,7 @@ static int manager_connect_udev(Manager *m) { return 0; } -static int manager_rtnl_process_link(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) { +static int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { Manager *m = userdata; Link *link = NULL; NetDev *netdev = NULL; @@ -286,15 +286,15 @@ static int manager_rtnl_process_link(sd_rtnl *rtnl, sd_rtnl_message *message, vo assert(message); assert(m); - if (sd_rtnl_message_is_error(message)) { - r = sd_rtnl_message_get_errno(message); + if (sd_netlink_message_is_error(message)) { + r = sd_netlink_message_get_errno(message); if (r < 0) log_warning_errno(r, "rtnl: could not receive link: %m"); return 0; } - r = sd_rtnl_message_get_type(message, &type); + r = sd_netlink_message_get_type(message, &type); if (r < 0) { log_warning_errno(r, "rtnl: could not get message type: %m"); return 0; @@ -313,7 +313,7 @@ static int manager_rtnl_process_link(sd_rtnl *rtnl, sd_rtnl_message *message, vo } else link_get(m, ifindex, &link); - r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &name); + r = sd_netlink_message_read_string(message, IFLA_IFNAME, &name); if (r < 0) { log_warning_errno(r, "rtnl: received link message without ifname: %m"); return 0; @@ -385,33 +385,33 @@ static int manager_connect_rtnl(Manager *m) { fd = systemd_netlink_fd(); if (fd < 0) - r = sd_rtnl_open(&m->rtnl); + r = sd_netlink_open(&m->rtnl); else - r = sd_rtnl_open_fd(&m->rtnl, fd); + r = sd_netlink_open_fd(&m->rtnl, fd); if (r < 0) return r; - r = sd_rtnl_inc_rcvbuf(m->rtnl, RCVBUF_SIZE); + r = sd_netlink_inc_rcvbuf(m->rtnl, RCVBUF_SIZE); if (r < 0) return r; - r = sd_rtnl_attach_event(m->rtnl, m->event, 0); + r = sd_netlink_attach_event(m->rtnl, m->event, 0); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, &manager_rtnl_process_link, m); + r = sd_netlink_add_match(m->rtnl, RTM_NEWLINK, &manager_rtnl_process_link, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_DELLINK, &manager_rtnl_process_link, m); + r = sd_netlink_add_match(m->rtnl, RTM_DELLINK, &manager_rtnl_process_link, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_NEWADDR, &link_rtnl_process_address, m); + r = sd_netlink_add_match(m->rtnl, RTM_NEWADDR, &link_rtnl_process_address, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m); + r = sd_netlink_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m); if (r < 0) return r; @@ -498,7 +498,7 @@ void manager_free(Manager *m) { while ((pool = m->address_pools)) address_pool_free(pool); - sd_rtnl_unref(m->rtnl); + sd_netlink_unref(m->rtnl); free(m); } @@ -570,8 +570,8 @@ bool manager_should_reload(Manager *m) { } int manager_rtnl_enumerate_links(Manager *m) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_message *link; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *link; int r; assert(m); @@ -581,15 +581,15 @@ int manager_rtnl_enumerate_links(Manager *m) { if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(m->rtnl, req, 0, &reply); + r = sd_netlink_call(m->rtnl, req, 0, &reply); if (r < 0) return r; - for (link = reply; link; link = sd_rtnl_message_next(link)) { + for (link = reply; link; link = sd_netlink_message_next(link)) { int k; m->enumerating = true; @@ -605,8 +605,8 @@ int manager_rtnl_enumerate_links(Manager *m) { } int manager_rtnl_enumerate_addresses(Manager *m) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_message *addr; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *addr; int r; assert(m); @@ -616,15 +616,15 @@ int manager_rtnl_enumerate_addresses(Manager *m) { if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(m->rtnl, req, 0, &reply); + r = sd_netlink_call(m->rtnl, req, 0, &reply); if (r < 0) return r; - for (addr = reply; addr; addr = sd_rtnl_message_next(addr)) { + for (addr = reply; addr; addr = sd_netlink_message_next(addr)) { int k; m->enumerating = true; diff --git a/src/network/networkd-netdev-bond.c b/src/network/networkd-netdev-bond.c index d7f9bb4f8e..6336ff58a7 100644 --- a/src/network/networkd-netdev-bond.c +++ b/src/network/networkd-netdev-bond.c @@ -24,8 +24,8 @@ #include <linux/if_bonding.h> #include "conf-parser.h" -#include "sd-rtnl.h" -#include "rtnl-types.h" +#include "sd-netlink.h" +#include "netlink-types.h" #include "networkd-netdev-bond.h" #include "missing.h" @@ -178,7 +178,7 @@ static uint8_t bond_xmit_hash_policy_to_kernel(BondXmitHashPolicy policy) { } } -static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Bond *b = BOND(netdev); ArpIpTarget *target = NULL; int r, i = 0; @@ -189,14 +189,14 @@ static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m assert(m); if (b->mode != _NETDEV_BOND_MODE_INVALID) { - r = sd_rtnl_message_append_u8(m, IFLA_BOND_MODE, + r = sd_netlink_message_append_u8(m, IFLA_BOND_MODE, bond_mode_to_kernel(b->mode)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_MODE attribute: %m"); } if (b->xmit_hash_policy != _NETDEV_BOND_XMIT_HASH_POLICY_INVALID) { - r = sd_rtnl_message_append_u8(m, IFLA_BOND_XMIT_HASH_POLICY, + r = sd_netlink_message_append_u8(m, IFLA_BOND_XMIT_HASH_POLICY, bond_xmit_hash_policy_to_kernel(b->xmit_hash_policy)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_XMIT_HASH_POLICY attribute: %m"); @@ -204,38 +204,38 @@ static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m if (b->lacp_rate != _NETDEV_BOND_LACP_RATE_INVALID && b->mode == NETDEV_BOND_MODE_802_3AD) { - r = sd_rtnl_message_append_u8(m, IFLA_BOND_AD_LACP_RATE, b->lacp_rate ); + r = sd_netlink_message_append_u8(m, IFLA_BOND_AD_LACP_RATE, b->lacp_rate ); if (r < 0) { return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_AD_LACP_RATE attribute: %m"); } } if (b->miimon != 0) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIIMON, b->miimon / USEC_PER_MSEC); + r = sd_netlink_message_append_u32(m, IFLA_BOND_MIIMON, b->miimon / USEC_PER_MSEC); if (r < 0) log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_BOND_MIIMON attribute: %m"); } if (b->downdelay != 0) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_DOWNDELAY, b->downdelay / USEC_PER_MSEC); + r = sd_netlink_message_append_u32(m, IFLA_BOND_DOWNDELAY, b->downdelay / USEC_PER_MSEC); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_DOWNDELAY attribute: %m"); } if (b->updelay != 0) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_UPDELAY, b->updelay / USEC_PER_MSEC); + r = sd_netlink_message_append_u32(m, IFLA_BOND_UPDELAY, b->updelay / USEC_PER_MSEC); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_UPDELAY attribute: %m"); } if (b->arp_interval != 0) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_INTERVAL, b->arp_interval / USEC_PER_MSEC); + r = sd_netlink_message_append_u32(m, IFLA_BOND_ARP_INTERVAL, b->arp_interval / USEC_PER_MSEC); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_INTERVAL attribute: %m"); if ((b->lp_interval >= LEARNING_PACKETS_INTERVAL_MIN_SEC) && (b->lp_interval <= LEARNING_PACKETS_INTERVAL_MAX_SEC)) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_LP_INTERVAL, b->lp_interval / USEC_PER_SEC); + r = sd_netlink_message_append_u32(m, IFLA_BOND_LP_INTERVAL, b->lp_interval / USEC_PER_SEC); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_LP_INTERVAL attribute: %m"); } @@ -243,79 +243,79 @@ static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m if (b->ad_select != _NETDEV_BOND_AD_SELECT_INVALID && b->mode == NETDEV_BOND_MODE_802_3AD) { - r = sd_rtnl_message_append_u8(m, IFLA_BOND_AD_SELECT, b->ad_select); + r = sd_netlink_message_append_u8(m, IFLA_BOND_AD_SELECT, b->ad_select); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_AD_SELECT attribute: %m"); } if (b->fail_over_mac != _NETDEV_BOND_FAIL_OVER_MAC_INVALID && b->mode == NETDEV_BOND_MODE_ACTIVE_BACKUP) { - r = sd_rtnl_message_append_u8(m, IFLA_BOND_FAIL_OVER_MAC, b->fail_over_mac); + r = sd_netlink_message_append_u8(m, IFLA_BOND_FAIL_OVER_MAC, b->fail_over_mac); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_FAIL_OVER_MAC attribute: %m"); } if (b->arp_validate != _NETDEV_BOND_ARP_VALIDATE_INVALID) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_VALIDATE, b->arp_validate); + r = sd_netlink_message_append_u32(m, IFLA_BOND_ARP_VALIDATE, b->arp_validate); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_VALIDATE attribute: %m"); } if (b->arp_all_targets != _NETDEV_BOND_ARP_ALL_TARGETS_INVALID) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_ALL_TARGETS, b->arp_all_targets); + r = sd_netlink_message_append_u32(m, IFLA_BOND_ARP_ALL_TARGETS, b->arp_all_targets); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_VALIDATE attribute: %m"); } if (b->primary_reselect != _NETDEV_BOND_PRIMARY_RESELECT_INVALID) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_ALL_TARGETS, b->primary_reselect); + r = sd_netlink_message_append_u32(m, IFLA_BOND_ARP_ALL_TARGETS, b->primary_reselect); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_ALL_TARGETS attribute: %m"); } if (b->resend_igmp <= RESEND_IGMP_MAX) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_RESEND_IGMP, b->resend_igmp); + r = sd_netlink_message_append_u32(m, IFLA_BOND_RESEND_IGMP, b->resend_igmp); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_RESEND_IGMP attribute: %m"); } if (b->packets_per_slave <= PACKETS_PER_SLAVE_MAX && b->mode == NETDEV_BOND_MODE_BALANCE_RR) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_PACKETS_PER_SLAVE, b->packets_per_slave); + r = sd_netlink_message_append_u32(m, IFLA_BOND_PACKETS_PER_SLAVE, b->packets_per_slave); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_PACKETS_PER_SLAVE attribute: %m"); } if (b->num_grat_arp <= GRATUITOUS_ARP_MAX) { - r = sd_rtnl_message_append_u8(m, IFLA_BOND_NUM_PEER_NOTIF, b->num_grat_arp); + r = sd_netlink_message_append_u8(m, IFLA_BOND_NUM_PEER_NOTIF, b->num_grat_arp); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_NUM_PEER_NOTIF attribute: %m"); } if (b->min_links != 0) { - r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIN_LINKS, b->min_links); + r = sd_netlink_message_append_u32(m, IFLA_BOND_MIN_LINKS, b->min_links); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_MIN_LINKS attribute: %m"); } - r = sd_rtnl_message_append_u8(m, IFLA_BOND_ALL_SLAVES_ACTIVE, b->all_slaves_active); + r = sd_netlink_message_append_u8(m, IFLA_BOND_ALL_SLAVES_ACTIVE, b->all_slaves_active); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ALL_SLAVES_ACTIVE attribute: %m"); if (b->arp_interval > 0) { if (b->n_arp_ip_targets > 0) { - r = sd_rtnl_message_open_container(m, IFLA_BOND_ARP_IP_TARGET); + r = sd_netlink_message_open_container(m, IFLA_BOND_ARP_IP_TARGET); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not open contaniner IFLA_BOND_ARP_IP_TARGET : %m"); LIST_FOREACH(arp_ip_target, target, b->arp_ip_targets) { - r = sd_rtnl_message_append_u32(m, i++, target->ip.in.s_addr); + r = sd_netlink_message_append_u32(m, i++, target->ip.in.s_addr); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_ALL_TARGETS attribute: %m"); } - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not close contaniner IFLA_BOND_ARP_IP_TARGET : %m"); } diff --git a/src/network/networkd-netdev-ipvlan.c b/src/network/networkd-netdev-ipvlan.c index f1c8e0ccdb..5eb4a1eb36 100644 --- a/src/network/networkd-netdev-ipvlan.c +++ b/src/network/networkd-netdev-ipvlan.c @@ -32,7 +32,7 @@ static const char* const ipvlan_mode_table[_NETDEV_IPVLAN_MODE_MAX] = { DEFINE_STRING_TABLE_LOOKUP(ipvlan_mode, IPVlanMode); DEFINE_CONFIG_PARSE_ENUM(config_parse_ipvlan_mode, ipvlan_mode, IPVlanMode, "Failed to parse ipvlan mode"); -static int netdev_ipvlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) { +static int netdev_ipvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) { IPVlan *m = IPVLAN(netdev); int r; @@ -42,7 +42,7 @@ static int netdev_ipvlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl assert(netdev->ifname); if (m->mode != _NETDEV_IPVLAN_MODE_INVALID) { - r = sd_rtnl_message_append_u16(req, IFLA_IPVLAN_MODE, m->mode); + r = sd_netlink_message_append_u16(req, IFLA_IPVLAN_MODE, m->mode); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPVLAN_MODE attribute: %m"); } diff --git a/src/network/networkd-netdev-macvlan.c b/src/network/networkd-netdev-macvlan.c index a8bf6e6bb7..c2c564935c 100644 --- a/src/network/networkd-netdev-macvlan.c +++ b/src/network/networkd-netdev-macvlan.c @@ -34,7 +34,7 @@ static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = { DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode); DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode"); -static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) { +static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) { MacVlan *m = MACVLAN(netdev); int r; @@ -44,7 +44,7 @@ static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_rtn assert(netdev->ifname); if (m->mode != _NETDEV_MACVLAN_MODE_INVALID) { - r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode); + r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MODE attribute: %m"); } diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c index 8af4be4974..5533fb5c7b 100644 --- a/src/network/networkd-netdev-tunnel.c +++ b/src/network/networkd-netdev-tunnel.c @@ -25,7 +25,7 @@ #include <linux/if_tunnel.h> #include <linux/ip6_tunnel.h> -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "networkd-netdev-tunnel.h" #include "networkd-link.h" #include "util.h" @@ -43,7 +43,7 @@ static const char* const ip6tnl_mode_table[_NETDEV_IP6_TNL_MODE_MAX] = { DEFINE_STRING_TABLE_LOOKUP(ip6tnl_mode, Ip6TnlMode); DEFINE_CONFIG_PARSE_ENUM(config_parse_ip6tnl_mode, ip6tnl_mode, Ip6TnlMode, "Failed to parse ip6 tunnel Mode"); -static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t = IPIP(netdev); int r; @@ -53,30 +53,30 @@ static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m assert(t); assert(t->family == AF_INET); - r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); + r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); + r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); + r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); + r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); return r; } -static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t = SIT(netdev); int r; @@ -86,30 +86,30 @@ static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me assert(t); assert(t->family == AF_INET); - r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); + r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); + r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); + r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); + r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); return r; } -static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t; int r; @@ -125,34 +125,34 @@ static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me assert(link); assert(m); - r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); + r = sd_netlink_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); + r = sd_netlink_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); if (r < 0) log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl); + r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, t->tos); + r = sd_netlink_message_append_u8(m, IFLA_GRE_TOS, t->tos); if (r < 0) log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TOS attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); + r = sd_netlink_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_PMTUDISC attribute: %m"); return r; } -static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t; int r; @@ -168,26 +168,26 @@ static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl assert(link); assert(m); - r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); - r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6); + r = sd_netlink_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6); + r = sd_netlink_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl); + r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); return r; } -static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t = VTI(netdev); int r; @@ -197,22 +197,22 @@ static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me assert(t); assert(t->family == AF_INET); - r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in); + r = sd_netlink_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in); + r = sd_netlink_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); return r; } -static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t = VTI6(netdev); int r; @@ -222,22 +222,22 @@ static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m assert(t); assert(t->family == AF_INET6); - r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); - r = sd_rtnl_message_append_in6_addr(m, IFLA_VTI_LOCAL, &t->local.in6); + r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_LOCAL, &t->local.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in6_addr(m, IFLA_VTI_REMOTE, &t->remote.in6); + r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_REMOTE, &t->remote.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); return r; } -static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t = IP6TNL(netdev); uint8_t proto; int r; @@ -248,19 +248,19 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl assert(t); assert(t->family == AF_INET6); - r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); - r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6); + r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); - r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6); + r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); + r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); @@ -277,7 +277,7 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl break; } - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PROTO, proto); + r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PROTO, proto); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_MODE attribute: %m"); diff --git a/src/network/networkd-netdev-veth.c b/src/network/networkd-netdev-veth.c index 7bb02d1ae1..e20f9f74e2 100644 --- a/src/network/networkd-netdev-veth.c +++ b/src/network/networkd-netdev-veth.c @@ -22,10 +22,10 @@ #include <net/if.h> #include <linux/veth.h> -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "networkd-netdev-veth.h" -static int netdev_veth_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_veth_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Veth *v = VETH(netdev); int r; @@ -34,23 +34,23 @@ static int netdev_veth_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m assert(v); assert(m); - r = sd_rtnl_message_open_container(m, VETH_INFO_PEER); + r = sd_netlink_message_open_container(m, VETH_INFO_PEER); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append VETH_INFO_PEER attribute: %m"); if (v->ifname_peer) { - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, v->ifname_peer); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, v->ifname_peer); if (r < 0) return log_error_errno(r, "Failed to add netlink interface name: %m"); } if (v->mac_peer) { - r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, v->mac_peer); + r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, v->mac_peer); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_ADDRESS attribute: %m"); } - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); diff --git a/src/network/networkd-netdev-vlan.c b/src/network/networkd-netdev-vlan.c index 0ed024b41d..d53e7beaac 100644 --- a/src/network/networkd-netdev-vlan.c +++ b/src/network/networkd-netdev-vlan.c @@ -23,7 +23,7 @@ #include "networkd-netdev-vlan.h" -static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) { +static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) { VLan *v = VLAN(netdev); int r; @@ -33,7 +33,7 @@ static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m assert(req); if (v->id <= VLANID_MAX) { - r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, v->id); + r = sd_netlink_message_append_u16(req, IFLA_VLAN_ID, v->id); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VLAN_ID attribute: %s", diff --git a/src/network/networkd-netdev-vxlan.c b/src/network/networkd-netdev-vxlan.c index 01a1e5089c..2a5c5f0baa 100644 --- a/src/network/networkd-netdev-vxlan.c +++ b/src/network/networkd-netdev-vxlan.c @@ -21,13 +21,13 @@ #include <net/if.h> -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "networkd-netdev-vxlan.h" #include "networkd-link.h" #include "conf-parser.h" #include "missing.h" -static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { +static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { VxLan *v = VXLAN(netdev); int r; @@ -38,66 +38,66 @@ static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_ if (v->id <= VXLAN_VID_MAX) { - r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, v->id); + r = sd_netlink_message_append_u32(m, IFLA_VXLAN_ID, v->id); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_ID attribute: %m"); } - r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in); + r = sd_netlink_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_GROUP attribute: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_LINK attribute: %m"); if(v->ttl) { - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_TTL attribute: %m"); } if(v->tos) { - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, v->tos); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_TOS, v->tos); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_TOS attribute: %m"); } - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_LEARNING attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_RSC attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_PROXY attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_L2MISS attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_L3MISS attribute: %m"); if(v->fdb_ageing) { - r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC); + r = sd_netlink_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_AGEING attribute: %m"); } - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_CSUM, v->udpcsum); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_UDP_CSUM, v->udpcsum); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_UDP_CSUM attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_TX attribute: %m"); - r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx); + r = sd_netlink_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_RX attribute: %m"); diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c index 66fd0fac0a..ece9ecc251 100644 --- a/src/network/networkd-netdev.c +++ b/src/network/networkd-netdev.c @@ -77,7 +77,7 @@ DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind); DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind"); static void netdev_cancel_callbacks(NetDev *netdev) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; netdev_join_callback *callback; if (!netdev) @@ -180,8 +180,8 @@ static int netdev_enter_failed(NetDev *netdev) { return 0; } -static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_rtnl_message_handler_t callback) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; +static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_netlink_message_handler_t callback) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(netdev); @@ -196,11 +196,11 @@ static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_rtnl_message_hand if (r < 0) return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m"); - r = sd_rtnl_message_append_u32(req, IFLA_MASTER, netdev->ifindex); + r = sd_netlink_message_append_u32(req, IFLA_MASTER, netdev->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_MASTER attribute: %m"); - r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL); + r = sd_netlink_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_netdev_error(netdev, "Could not send rtnetlink message: %m"); @@ -241,13 +241,13 @@ static int netdev_enter_ready(NetDev *netdev) { } /* callback for netdev's created without a backing Link */ -static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int netdev_create_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_netdev_unref_ NetDev *netdev = userdata; int r; assert(netdev->state != _NETDEV_STATE_INVALID); - r = sd_rtnl_message_get_errno(m); + r = sd_netlink_message_get_errno(m); if (r == -EEXIST) log_netdev_info(netdev, "netdev exists, using existing without changing its parameters"); else if (r < 0) { @@ -262,7 +262,7 @@ static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userda return 1; } -int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) { +int netdev_enslave(NetDev *netdev, Link *link, sd_netlink_message_handler_t callback) { int r; assert(netdev); @@ -292,7 +292,7 @@ int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callbac return 0; } -int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) { +int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *message) { uint16_t type; const char *kind; const char *received_kind; @@ -302,7 +302,7 @@ int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) { assert(netdev); assert(message); - r = sd_rtnl_message_get_type(message, &type); + r = sd_netlink_message_get_type(message, &type); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not get rtnl message type: %m"); @@ -333,7 +333,7 @@ int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) { return 0; } - r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &received_name); + r = sd_netlink_message_read_string(message, IFLA_IFNAME, &received_name); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not get IFNAME: %m"); @@ -343,15 +343,15 @@ int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) { return r; } - r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO); + r = sd_netlink_message_enter_container(message, IFLA_LINKINFO); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not get LINKINFO: %m"); - r = sd_rtnl_message_read_string(message, IFLA_INFO_KIND, &received_kind); + r = sd_netlink_message_read_string(message, IFLA_INFO_KIND, &received_kind); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not get KIND: %m"); - r = sd_rtnl_message_exit_container(message); + r = sd_netlink_message_exit_container(message); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not exit container: %m"); @@ -431,7 +431,7 @@ int netdev_get_mac(const char *ifname, struct ether_addr **ret) { } static int netdev_create(NetDev *netdev, Link *link, - sd_rtnl_message_handler_t callback) { + sd_netlink_message_handler_t callback) { int r; assert(netdev); @@ -447,39 +447,39 @@ static int netdev_create(NetDev *netdev, Link *link, log_netdev_debug(netdev, "Created"); } else { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not allocate RTM_NEWLINK message: %m"); - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, netdev->ifname); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IFNAME, attribute: %m"); if (netdev->mac) { - r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac); + r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_ADDRESS attribute: %m"); } if (netdev->mtu) { - r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu); + r = sd_netlink_message_append_u32(m, IFLA_MTU, netdev->mtu); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_MTU attribute: %m"); } if (link) { - r = sd_rtnl_message_append_u32(m, IFLA_LINK, link->ifindex); + r = sd_netlink_message_append_u32(m, IFLA_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINK attribute: %m"); } - r = sd_rtnl_message_open_container(m, IFLA_LINKINFO); + r = sd_netlink_message_open_container(m, IFLA_LINKINFO); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); - r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); + r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); @@ -489,22 +489,22 @@ static int netdev_create(NetDev *netdev, Link *link, return r; } - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); if (link) { - r = sd_rtnl_call_async(netdev->manager->rtnl, m, callback, link, 0, NULL); + r = sd_netlink_call_async(netdev->manager->rtnl, m, callback, link, 0, NULL); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m"); link_ref(link); } else { - r = sd_rtnl_call_async(netdev->manager->rtnl, m, netdev_create_handler, netdev, 0, NULL); + r = sd_netlink_call_async(netdev->manager->rtnl, m, netdev_create_handler, netdev, 0, NULL); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m"); @@ -520,7 +520,7 @@ static int netdev_create(NetDev *netdev, Link *link, } /* the callback must be called, possibly after a timeout, as otherwise the Link will hang */ -int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) { +int netdev_join(NetDev *netdev, Link *link, sd_netlink_message_handler_t callback) { int r; assert(netdev); diff --git a/src/network/networkd-netdev.h b/src/network/networkd-netdev.h index 1ded495e4a..a004f2fe5f 100644 --- a/src/network/networkd-netdev.h +++ b/src/network/networkd-netdev.h @@ -29,7 +29,7 @@ typedef struct NetDevVTable NetDevVTable; typedef struct netdev_join_callback netdev_join_callback; struct netdev_join_callback { - sd_rtnl_message_handler_t callback; + sd_netlink_message_handler_t callback; Link *link; LIST_FIELDS(netdev_join_callback, callbacks); @@ -129,7 +129,7 @@ struct NetDevVTable { void (*done)(NetDev *n); /* fill in message to create netdev */ - int (*fill_message_create)(NetDev *netdev, Link *link, sd_rtnl_message *message); + int (*fill_message_create)(NetDev *netdev, Link *link, sd_netlink_message *message); /* specifies if netdev is independent, or a master device or a stacked device */ NetDevCreateType create_type; @@ -187,10 +187,10 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_unref); #define _cleanup_netdev_unref_ _cleanup_(netdev_unrefp) int netdev_get(Manager *manager, const char *name, NetDev **ret); -int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *newlink); -int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback); +int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *newlink); +int netdev_enslave(NetDev *netdev, Link *link, sd_netlink_message_handler_t callback); int netdev_get_mac(const char *ifname, struct ether_addr **ret); -int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t cb); +int netdev_join(NetDev *netdev, Link *link, sd_netlink_message_handler_t cb); const char *netdev_kind_to_string(NetDevKind d) _const_; NetDevKind netdev_kind_from_string(const char *d) _pure_; diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c index 7f110a5217..31b10c458d 100644 --- a/src/network/networkd-route.c +++ b/src/network/networkd-route.c @@ -97,8 +97,8 @@ void route_free(Route *route) { } int route_drop(Route *route, Link *link, - sd_rtnl_message_handler_t callback) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + sd_netlink_message_handler_t callback) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(link); @@ -115,18 +115,18 @@ int route_drop(Route *route, Link *link, if (!in_addr_is_null(route->family, &route->in_addr)) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); } if (route->dst_prefixlen) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_DST attribute: %m"); @@ -137,9 +137,9 @@ int route_drop(Route *route, Link *link, if (route->src_prefixlen) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_DST attribute: %m"); @@ -150,9 +150,9 @@ int route_drop(Route *route, Link *link, if (!in_addr_is_null(route->family, &route->prefsrc_addr)) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); } @@ -161,15 +161,15 @@ int route_drop(Route *route, Link *link, if (r < 0) return log_error_errno(r, "Could not set scope: %m"); - r = sd_rtnl_message_append_u32(req, RTA_PRIORITY, route->metrics); + r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->metrics); if (r < 0) return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); - r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex); + r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); if (r < 0) return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_error_errno(r, "Could not send rtnetlink message: %m"); @@ -179,8 +179,8 @@ int route_drop(Route *route, Link *link, } int route_configure(Route *route, Link *link, - sd_rtnl_message_handler_t callback) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + sd_netlink_message_handler_t callback) { + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL; int r; assert(link); @@ -197,18 +197,18 @@ int route_configure(Route *route, Link *link, if (!in_addr_is_null(route->family, &route->in_addr)) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); } if (route->dst_prefixlen) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_DST attribute: %m"); @@ -219,9 +219,9 @@ int route_configure(Route *route, Link *link, if (route->src_prefixlen) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_SRC attribute: %m"); @@ -232,9 +232,9 @@ int route_configure(Route *route, Link *link, if (!in_addr_is_null(route->family, &route->prefsrc_addr)) { if (route->family == AF_INET) - r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in); + r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in); else if (route->family == AF_INET6) - r = sd_rtnl_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6); + r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); } @@ -243,15 +243,15 @@ int route_configure(Route *route, Link *link, if (r < 0) return log_error_errno(r, "Could not set scope: %m"); - r = sd_rtnl_message_append_u32(req, RTA_PRIORITY, route->metrics); + r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->metrics); if (r < 0) return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); - r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex); + r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); if (r < 0) return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); - r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); + r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_error_errno(r, "Could not send rtnetlink message: %m"); diff --git a/src/network/networkd-wait-online-link.c b/src/network/networkd-wait-online-link.c index 341bcae3fb..2d5123788c 100644 --- a/src/network/networkd-wait-online-link.c +++ b/src/network/networkd-wait-online-link.c @@ -82,7 +82,7 @@ Link *link_free(Link *l) { return NULL; } -int link_update_rtnl(Link *l, sd_rtnl_message *m) { +int link_update_rtnl(Link *l, sd_netlink_message *m) { const char *ifname; int r; @@ -94,7 +94,7 @@ int link_update_rtnl(Link *l, sd_rtnl_message *m) { if (r < 0) return r; - r = sd_rtnl_message_read_string(m, IFLA_IFNAME, &ifname); + r = sd_netlink_message_read_string(m, IFLA_IFNAME, &ifname); if (r < 0) return r; diff --git a/src/network/networkd-wait-online-link.h b/src/network/networkd-wait-online-link.h index 90ea6b3405..068196622e 100644 --- a/src/network/networkd-wait-online-link.h +++ b/src/network/networkd-wait-online-link.h @@ -39,7 +39,7 @@ struct Link { int link_new(Manager *m, Link **ret, int ifindex, const char *ifname); Link *link_free(Link *l); -int link_update_rtnl(Link *l, sd_rtnl_message *m); +int link_update_rtnl(Link *l, sd_netlink_message *m); int link_update_monitor(Link *l); bool link_relevant(Link *l); diff --git a/src/network/networkd-wait-online-manager.c b/src/network/networkd-wait-online-manager.c index 39f3845633..1fc724f5a4 100644 --- a/src/network/networkd-wait-online-manager.c +++ b/src/network/networkd-wait-online-manager.c @@ -23,7 +23,7 @@ #include <linux/if.h> #include <fnmatch.h> -#include "rtnl-util.h" +#include "netlink-util.h" #include "network-internal.h" #include "networkd-wait-online-link.h" @@ -93,7 +93,7 @@ bool manager_all_configured(Manager *m) { return one_ready; } -static int manager_process_link(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) { +static int manager_process_link(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) { Manager *m = userdata; uint16_t type; Link *l; @@ -104,7 +104,7 @@ static int manager_process_link(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userda assert(m); assert(mm); - r = sd_rtnl_message_get_type(mm, &type); + r = sd_netlink_message_get_type(mm, &type); if (r < 0) goto fail; @@ -112,7 +112,7 @@ static int manager_process_link(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userda if (r < 0) goto fail; - r = sd_rtnl_message_read_string(mm, IFLA_IFNAME, &ifname); + r = sd_netlink_message_read_string(mm, IFLA_IFNAME, &ifname); if (r < 0) goto fail; @@ -155,7 +155,7 @@ fail: return 0; } -static int on_rtnl_event(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) { +static int on_rtnl_event(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) { Manager *m = userdata; int r; @@ -170,26 +170,26 @@ static int on_rtnl_event(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) { } static int manager_rtnl_listen(Manager *m) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_message *i; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *i; int r; assert(m); /* First, subscribe to interfaces coming and going */ - r = sd_rtnl_open(&m->rtnl); + r = sd_netlink_open(&m->rtnl); if (r < 0) return r; - r = sd_rtnl_attach_event(m->rtnl, m->event, 0); + r = sd_netlink_attach_event(m->rtnl, m->event, 0); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, on_rtnl_event, m); + r = sd_netlink_add_match(m->rtnl, RTM_NEWLINK, on_rtnl_event, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_DELLINK, on_rtnl_event, m); + r = sd_netlink_add_match(m->rtnl, RTM_DELLINK, on_rtnl_event, m); if (r < 0) return r; @@ -198,15 +198,15 @@ static int manager_rtnl_listen(Manager *m) { if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(m->rtnl, req, 0, &reply); + r = sd_netlink_call(m->rtnl, req, 0, &reply); if (r < 0) return r; - for (i = reply; i; i = sd_rtnl_message_next(i)) { + for (i = reply; i; i = sd_netlink_message_next(i)) { r = manager_process_link(m->rtnl, i, m); if (r < 0) return r; @@ -323,7 +323,7 @@ void manager_free(Manager *m) { sd_network_monitor_unref(m->network_monitor); sd_event_source_unref(m->rtnl_event_source); - sd_rtnl_unref(m->rtnl); + sd_netlink_unref(m->rtnl); sd_event_unref(m->event); free(m); diff --git a/src/network/networkd-wait-online.h b/src/network/networkd-wait-online.h index 73d129699d..627c46be13 100644 --- a/src/network/networkd-wait-online.h +++ b/src/network/networkd-wait-online.h @@ -22,7 +22,7 @@ #pragma once #include "sd-event.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "sd-network.h" #include "hashmap.h" @@ -38,7 +38,7 @@ struct Manager { char **interfaces; char **ignore; - sd_rtnl *rtnl; + sd_netlink *rtnl; sd_event_source *rtnl_event_source; sd_network_monitor *network_monitor; diff --git a/src/network/networkd.h b/src/network/networkd.h index 2c191a780c..ac6e2c8a8e 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -24,7 +24,7 @@ #include <arpa/inet.h> #include "sd-event.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "sd-bus.h" #include "sd-dhcp-client.h" #include "sd-dhcp-server.h" @@ -34,7 +34,7 @@ #include "udev.h" #include "sd-lldp.h" -#include "rtnl-util.h" +#include "netlink-util.h" #include "hashmap.h" #include "list.h" #include "set.h" @@ -218,7 +218,7 @@ struct AddressPool { }; struct Manager { - sd_rtnl *rtnl; + sd_netlink *rtnl; sd_event *event; sd_event_source *bus_retry_event_source; sd_bus *bus; @@ -342,8 +342,8 @@ const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsig int route_new_static(Network *network, unsigned section, Route **ret); int route_new_dynamic(Route **ret, unsigned char rtm_protocol); void route_free(Route *route); -int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback); -int route_drop(Route *route, Link *link, sd_rtnl_message_handler_t callback); +int route_configure(Route *route, Link *link, sd_netlink_message_handler_t callback); +int route_drop(Route *route, Link *link, sd_netlink_message_handler_t callback); DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free); @@ -368,9 +368,9 @@ int config_parse_route_scope(const char *unit, const char *filename, unsigned li int address_new_static(Network *network, unsigned section, Address **ret); int address_new_dynamic(Address **ret); void address_free(Address *address); -int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback); -int address_update(Address *address, Link *link, sd_rtnl_message_handler_t callback); -int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback); +int address_configure(Address *address, Link *link, sd_netlink_message_handler_t callback); +int address_update(Address *address, Link *link, sd_netlink_message_handler_t callback); +int address_drop(Address *address, Link *link, sd_netlink_message_handler_t callback); int address_establish(Address *address, Link *link); int address_release(Address *address, Link *link); bool address_equal(Address *a1, Address *a2); diff --git a/src/network/test-network-tables.c b/src/network/test-network-tables.c index 67fcca2ac0..438214015d 100644 --- a/src/network/test-network-tables.c +++ b/src/network/test-network-tables.c @@ -3,7 +3,7 @@ #include "networkd-netdev-macvlan.h" #include "dhcp6-internal.h" #include "dhcp6-protocol.h" -#include "rtnl-internal.h" +#include "netlink-internal.h" #include "ethtool-util.h" #include "test-tables.h" diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index 6a21ed5471..3f0b3d9182 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -55,7 +55,7 @@ #include "sd-daemon.h" #include "sd-bus.h" #include "sd-id128.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "random-util.h" #include "log.h" #include "util.h" @@ -75,7 +75,7 @@ #include "bus-error.h" #include "ptyfwd.h" #include "env-util.h" -#include "rtnl-util.h" +#include "netlink-util.h" #include "udev-util.h" #include "blkid-util.h" #include "gpt.h" @@ -1966,7 +1966,7 @@ static int flush_ports(union in_addr_union *exposed) { return 0; } -static int expose_ports(sd_rtnl *rtnl, union in_addr_union *exposed) { +static int expose_ports(sd_netlink *rtnl, union in_addr_union *exposed) { _cleanup_free_ struct local_address *addresses = NULL; _cleanup_free_ char *pretty = NULL; union in_addr_union new_exposed; @@ -2020,7 +2020,7 @@ static int expose_ports(sd_rtnl *rtnl, union in_addr_union *exposed) { return 0; } -static int on_address_change(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int on_address_change(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { union in_addr_union *exposed = userdata; assert(rtnl); @@ -2031,7 +2031,7 @@ static int on_address_change(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) return 0; } -static int watch_rtnl(sd_event *event, int recv_fd, union in_addr_union *exposed, sd_rtnl **ret) { +static int watch_rtnl(sd_event *event, int recv_fd, union in_addr_union *exposed, sd_netlink **ret) { union { struct cmsghdr cmsghdr; uint8_t buf[CMSG_SPACE(sizeof(int))]; @@ -2041,7 +2041,7 @@ static int watch_rtnl(sd_event *event, int recv_fd, union in_addr_union *exposed .msg_controllen = sizeof(control), }; struct cmsghdr *cmsg; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; int fd, r; ssize_t k; @@ -2062,21 +2062,21 @@ static int watch_rtnl(sd_event *event, int recv_fd, union in_addr_union *exposed assert(cmsg->cmsg_len == CMSG_LEN(sizeof(int))); memcpy(&fd, CMSG_DATA(cmsg), sizeof(int)); - r = sd_rtnl_open_fd(&rtnl, fd); + r = sd_netlink_open_fd(&rtnl, fd); if (r < 0) { safe_close(fd); return log_error_errno(r, "Failed to create rtnl object: %m"); } - r = sd_rtnl_add_match(rtnl, RTM_NEWADDR, on_address_change, exposed); + r = sd_netlink_add_match(rtnl, RTM_NEWADDR, on_address_change, exposed); if (r < 0) return log_error_errno(r, "Failed to subscribe to RTM_NEWADDR messages: %m"); - r = sd_rtnl_add_match(rtnl, RTM_DELADDR, on_address_change, exposed); + r = sd_netlink_add_match(rtnl, RTM_DELADDR, on_address_change, exposed); if (r < 0) return log_error_errno(r, "Failed to subscribe to RTM_DELADDR messages: %m"); - r = sd_rtnl_attach_event(rtnl, event, 0); + r = sd_netlink_attach_event(rtnl, event, 0); if (r < 0) return log_error_errno(r, "Failed to add to even loop: %m"); @@ -2550,8 +2550,8 @@ static int generate_mac(struct ether_addr *mac, sd_id128_t hash_key, uint64_t id } static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; struct ether_addr mac_host, mac_container; int r, i; @@ -2574,7 +2574,7 @@ static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) { if (r < 0) return log_error_errno(r, "Failed to generate predictable MAC address for host side: %m"); - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -2582,51 +2582,51 @@ static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) { if (r < 0) return log_error_errno(r, "Failed to allocate netlink message: %m"); - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, iface_name); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, iface_name); if (r < 0) return log_error_errno(r, "Failed to add netlink interface name: %m"); - r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, &mac_host); + r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, &mac_host); if (r < 0) return log_error_errno(r, "Failed to add netlink MAC address: %m"); - r = sd_rtnl_message_open_container(m, IFLA_LINKINFO); + r = sd_netlink_message_open_container(m, IFLA_LINKINFO); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "veth"); + r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "veth"); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_open_container(m, VETH_INFO_PEER); + r = sd_netlink_message_open_container(m, VETH_INFO_PEER); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, "host0"); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, "host0"); if (r < 0) return log_error_errno(r, "Failed to add netlink interface name: %m"); - r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, &mac_container); + r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, &mac_container); if (r < 0) return log_error_errno(r, "Failed to add netlink MAC address: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_NET_NS_PID, pid); + r = sd_netlink_message_append_u32(m, IFLA_NET_NS_PID, pid); if (r < 0) return log_error_errno(r, "Failed to add netlink namespace field: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_call(rtnl, m, 0, NULL); + r = sd_netlink_call(rtnl, m, 0, NULL); if (r < 0) return log_error_errno(r, "Failed to add new veth interfaces (host0, %s): %m", iface_name); @@ -2640,8 +2640,8 @@ static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) { } static int setup_bridge(const char veth_name[], int *ifi) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; int r, bridge; if (!arg_private_network) @@ -2659,7 +2659,7 @@ static int setup_bridge(const char veth_name[], int *ifi) { *ifi = bridge; - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -2671,15 +2671,15 @@ static int setup_bridge(const char veth_name[], int *ifi) { if (r < 0) return log_error_errno(r, "Failed to set IFF_UP flag: %m"); - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, veth_name); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, veth_name); if (r < 0) return log_error_errno(r, "Failed to add netlink interface name field: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_MASTER, bridge); + r = sd_netlink_message_append_u32(m, IFLA_MASTER, bridge); if (r < 0) return log_error_errno(r, "Failed to add netlink master field: %m"); - r = sd_rtnl_call(rtnl, m, 0, NULL); + r = sd_netlink_call(rtnl, m, 0, NULL); if (r < 0) return log_error_errno(r, "Failed to add veth interface to bridge: %m"); @@ -2710,7 +2710,7 @@ static int parse_interface(struct udev *udev, const char *name) { static int move_network_interfaces(pid_t pid) { _cleanup_udev_unref_ struct udev *udev = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; char **i; int r; @@ -2720,7 +2720,7 @@ static int move_network_interfaces(pid_t pid) { if (strv_isempty(arg_network_interfaces)) return 0; - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -2731,7 +2731,7 @@ static int move_network_interfaces(pid_t pid) { } STRV_FOREACH(i, arg_network_interfaces) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; int ifi; ifi = parse_interface(udev, *i); @@ -2742,11 +2742,11 @@ static int move_network_interfaces(pid_t pid) { if (r < 0) return log_error_errno(r, "Failed to allocate netlink message: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_NET_NS_PID, pid); + r = sd_netlink_message_append_u32(m, IFLA_NET_NS_PID, pid); if (r < 0) return log_error_errno(r, "Failed to append namespace PID to netlink message: %m"); - r = sd_rtnl_call(rtnl, m, 0, NULL); + r = sd_netlink_call(rtnl, m, 0, NULL); if (r < 0) return log_error_errno(r, "Failed to move interface %s to namespace: %m", *i); } @@ -2756,7 +2756,7 @@ static int move_network_interfaces(pid_t pid) { static int setup_macvlan(pid_t pid) { _cleanup_udev_unref_ struct udev *udev = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; unsigned idx = 0; char **i; int r; @@ -2767,7 +2767,7 @@ static int setup_macvlan(pid_t pid) { if (strv_isempty(arg_network_macvlan)) return 0; - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -2778,7 +2778,7 @@ static int setup_macvlan(pid_t pid) { } STRV_FOREACH(i, arg_network_macvlan) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; _cleanup_free_ char *n = NULL; struct ether_addr mac; int ifi; @@ -2795,7 +2795,7 @@ static int setup_macvlan(pid_t pid) { if (r < 0) return log_error_errno(r, "Failed to allocate netlink message: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_LINK, ifi); + r = sd_netlink_message_append_u32(m, IFLA_LINK, ifi); if (r < 0) return log_error_errno(r, "Failed to add netlink interface index: %m"); @@ -2805,39 +2805,39 @@ static int setup_macvlan(pid_t pid) { strshorten(n, IFNAMSIZ-1); - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, n); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, n); if (r < 0) return log_error_errno(r, "Failed to add netlink interface name: %m"); - r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, &mac); + r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, &mac); if (r < 0) return log_error_errno(r, "Failed to add netlink MAC address: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_NET_NS_PID, pid); + r = sd_netlink_message_append_u32(m, IFLA_NET_NS_PID, pid); if (r < 0) return log_error_errno(r, "Failed to add netlink namespace field: %m"); - r = sd_rtnl_message_open_container(m, IFLA_LINKINFO); + r = sd_netlink_message_open_container(m, IFLA_LINKINFO); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "macvlan"); + r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "macvlan"); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_MACVLAN_MODE, MACVLAN_MODE_BRIDGE); + r = sd_netlink_message_append_u32(m, IFLA_MACVLAN_MODE, MACVLAN_MODE_BRIDGE); if (r < 0) return log_error_errno(r, "Failed to append macvlan mode: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_call(rtnl, m, 0, NULL); + r = sd_netlink_call(rtnl, m, 0, NULL); if (r < 0) return log_error_errno(r, "Failed to add new macvlan interfaces: %m"); } @@ -2847,7 +2847,7 @@ static int setup_macvlan(pid_t pid) { static int setup_ipvlan(pid_t pid) { _cleanup_udev_unref_ struct udev *udev = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; char **i; int r; @@ -2857,7 +2857,7 @@ static int setup_ipvlan(pid_t pid) { if (strv_isempty(arg_network_ipvlan)) return 0; - r = sd_rtnl_open(&rtnl); + r = sd_netlink_open(&rtnl); if (r < 0) return log_error_errno(r, "Failed to connect to netlink: %m"); @@ -2868,7 +2868,7 @@ static int setup_ipvlan(pid_t pid) { } STRV_FOREACH(i, arg_network_ipvlan) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; + _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL; _cleanup_free_ char *n = NULL; int ifi; @@ -2880,7 +2880,7 @@ static int setup_ipvlan(pid_t pid) { if (r < 0) return log_error_errno(r, "Failed to allocate netlink message: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_LINK, ifi); + r = sd_netlink_message_append_u32(m, IFLA_LINK, ifi); if (r < 0) return log_error_errno(r, "Failed to add netlink interface index: %m"); @@ -2890,35 +2890,35 @@ static int setup_ipvlan(pid_t pid) { strshorten(n, IFNAMSIZ-1); - r = sd_rtnl_message_append_string(m, IFLA_IFNAME, n); + r = sd_netlink_message_append_string(m, IFLA_IFNAME, n); if (r < 0) return log_error_errno(r, "Failed to add netlink interface name: %m"); - r = sd_rtnl_message_append_u32(m, IFLA_NET_NS_PID, pid); + r = sd_netlink_message_append_u32(m, IFLA_NET_NS_PID, pid); if (r < 0) return log_error_errno(r, "Failed to add netlink namespace field: %m"); - r = sd_rtnl_message_open_container(m, IFLA_LINKINFO); + r = sd_netlink_message_open_container(m, IFLA_LINKINFO); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "ipvlan"); + r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "ipvlan"); if (r < 0) return log_error_errno(r, "Failed to open netlink container: %m"); - r = sd_rtnl_message_append_u16(m, IFLA_IPVLAN_MODE, IPVLAN_MODE_L2); + r = sd_netlink_message_append_u16(m, IFLA_IPVLAN_MODE, IPVLAN_MODE_L2); if (r < 0) return log_error_errno(r, "Failed to add ipvlan mode: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_message_close_container(m); + r = sd_netlink_message_close_container(m); if (r < 0) return log_error_errno(r, "Failed to close netlink container: %m"); - r = sd_rtnl_call(rtnl, m, 0, NULL); + r = sd_netlink_call(rtnl, m, 0, NULL); if (r < 0) return log_error_errno(r, "Failed to add new ipvlan interfaces: %m"); } @@ -4681,7 +4681,7 @@ int main(int argc, char *argv[]) { ssize_t l; _cleanup_event_unref_ sd_event *event = NULL; _cleanup_(pty_forward_freep) PTYForward *forward = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; char last_char = 0; r = barrier_create(&barrier); diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c index 27d9129e00..ff8dc3a5bc 100644 --- a/src/resolve/resolved-link.c +++ b/src/resolve/resolved-link.c @@ -124,7 +124,7 @@ void link_add_rrs(Link *l, bool force_remove) { link_address_add_rrs(a, force_remove); } -int link_update_rtnl(Link *l, sd_rtnl_message *m) { +int link_update_rtnl(Link *l, sd_netlink_message *m) { const char *n = NULL; int r; @@ -135,9 +135,9 @@ int link_update_rtnl(Link *l, sd_rtnl_message *m) { if (r < 0) return r; - sd_rtnl_message_read_u32(m, IFLA_MTU, &l->mtu); + sd_netlink_message_read_u32(m, IFLA_MTU, &l->mtu); - if (sd_rtnl_message_read_string(m, IFLA_IFNAME, &n) >= 0) { + if (sd_netlink_message_read_string(m, IFLA_IFNAME, &n) >= 0) { strncpy(l->name, n, sizeof(l->name)-1); char_array_0(l->name); } @@ -522,7 +522,7 @@ fail: log_debug_errno(r, "Failed to update address RRs: %m"); } -int link_address_update_rtnl(LinkAddress *a, sd_rtnl_message *m) { +int link_address_update_rtnl(LinkAddress *a, sd_netlink_message *m) { int r; assert(a); assert(m); diff --git a/src/resolve/resolved-link.h b/src/resolve/resolved-link.h index eee1846108..e3ab27c249 100644 --- a/src/resolve/resolved-link.h +++ b/src/resolve/resolved-link.h @@ -69,7 +69,7 @@ struct Link { int link_new(Manager *m, Link **ret, int ifindex); Link *link_free(Link *l); -int link_update_rtnl(Link *l, sd_rtnl_message *m); +int link_update_rtnl(Link *l, sd_netlink_message *m); int link_update_monitor(Link *l); bool link_relevant(Link *l, int family); LinkAddress* link_find_address(Link *l, int family, const union in_addr_union *in_addr); @@ -82,7 +82,7 @@ void link_next_dns_server(Link *l); int link_address_new(Link *l, LinkAddress **ret, int family, const union in_addr_union *in_addr); LinkAddress *link_address_free(LinkAddress *a); -int link_address_update_rtnl(LinkAddress *a, sd_rtnl_message *m); +int link_address_update_rtnl(LinkAddress *a, sd_netlink_message *m); bool link_address_relevant(LinkAddress *l); void link_address_add_rrs(LinkAddress *a, bool force_remove); diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c index aa78885ac3..dee5e61922 100644 --- a/src/resolve/resolved-manager.c +++ b/src/resolve/resolved-manager.c @@ -24,7 +24,7 @@ #include <poll.h> #include <netinet/in.h> -#include "rtnl-util.h" +#include "netlink-util.h" #include "network-internal.h" #include "socket-util.h" #include "af-list.h" @@ -41,7 +41,7 @@ #define SEND_TIMEOUT_USEC (200 * USEC_PER_MSEC) -static int manager_process_link(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) { +static int manager_process_link(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) { Manager *m = userdata; uint16_t type; Link *l; @@ -51,7 +51,7 @@ static int manager_process_link(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userda assert(m); assert(mm); - r = sd_rtnl_message_get_type(mm, &type); + r = sd_netlink_message_get_type(mm, &type); if (r < 0) goto fail; @@ -102,7 +102,7 @@ fail: return 0; } -static int manager_process_address(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) { +static int manager_process_address(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) { Manager *m = userdata; union in_addr_union address; uint16_t type; @@ -114,7 +114,7 @@ static int manager_process_address(sd_rtnl *rtnl, sd_rtnl_message *mm, void *use assert(mm); assert(m); - r = sd_rtnl_message_get_type(mm, &type); + r = sd_netlink_message_get_type(mm, &type); if (r < 0) goto fail; @@ -133,9 +133,9 @@ static int manager_process_address(sd_rtnl *rtnl, sd_rtnl_message *mm, void *use switch (family) { case AF_INET: - r = sd_rtnl_message_read_in_addr(mm, IFA_LOCAL, &address.in); + r = sd_netlink_message_read_in_addr(mm, IFA_LOCAL, &address.in); if (r < 0) { - r = sd_rtnl_message_read_in_addr(mm, IFA_ADDRESS, &address.in); + r = sd_netlink_message_read_in_addr(mm, IFA_ADDRESS, &address.in); if (r < 0) goto fail; } @@ -143,9 +143,9 @@ static int manager_process_address(sd_rtnl *rtnl, sd_rtnl_message *mm, void *use break; case AF_INET6: - r = sd_rtnl_message_read_in6_addr(mm, IFA_LOCAL, &address.in6); + r = sd_netlink_message_read_in6_addr(mm, IFA_LOCAL, &address.in6); if (r < 0) { - r = sd_rtnl_message_read_in6_addr(mm, IFA_ADDRESS, &address.in6); + r = sd_netlink_message_read_in6_addr(mm, IFA_ADDRESS, &address.in6); if (r < 0) goto fail; } @@ -188,34 +188,34 @@ fail: } static int manager_rtnl_listen(Manager *m) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_message *i; + _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *i; int r; assert(m); /* First, subscribe to interfaces coming and going */ - r = sd_rtnl_open(&m->rtnl); + r = sd_netlink_open(&m->rtnl); if (r < 0) return r; - r = sd_rtnl_attach_event(m->rtnl, m->event, 0); + r = sd_netlink_attach_event(m->rtnl, m->event, 0); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, manager_process_link, m); + r = sd_netlink_add_match(m->rtnl, RTM_NEWLINK, manager_process_link, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_DELLINK, manager_process_link, m); + r = sd_netlink_add_match(m->rtnl, RTM_DELLINK, manager_process_link, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_NEWADDR, manager_process_address, m); + r = sd_netlink_add_match(m->rtnl, RTM_NEWADDR, manager_process_address, m); if (r < 0) return r; - r = sd_rtnl_add_match(m->rtnl, RTM_DELADDR, manager_process_address, m); + r = sd_netlink_add_match(m->rtnl, RTM_DELADDR, manager_process_address, m); if (r < 0) return r; @@ -224,37 +224,37 @@ static int manager_rtnl_listen(Manager *m) { if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(m->rtnl, req, 0, &reply); + r = sd_netlink_call(m->rtnl, req, 0, &reply); if (r < 0) return r; - for (i = reply; i; i = sd_rtnl_message_next(i)) { + for (i = reply; i; i = sd_netlink_message_next(i)) { r = manager_process_link(m->rtnl, i, m); if (r < 0) return r; } - req = sd_rtnl_message_unref(req); - reply = sd_rtnl_message_unref(reply); + req = sd_netlink_message_unref(req); + reply = sd_netlink_message_unref(reply); /* Finally, enumerate all addresses, too */ r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC); if (r < 0) return r; - r = sd_rtnl_message_request_dump(req, true); + r = sd_netlink_message_request_dump(req, true); if (r < 0) return r; - r = sd_rtnl_call(m->rtnl, req, 0, &reply); + r = sd_netlink_call(m->rtnl, req, 0, &reply); if (r < 0) return r; - for (i = reply; i; i = sd_rtnl_message_next(i)) { + for (i = reply; i; i = sd_netlink_message_next(i)) { r = manager_process_address(m->rtnl, i, m); if (r < 0) return r; diff --git a/src/resolve/resolved-manager.h b/src/resolve/resolved-manager.h index 5a581cc13a..0f4ffad141 100644 --- a/src/resolve/resolved-manager.h +++ b/src/resolve/resolved-manager.h @@ -23,7 +23,7 @@ #include "sd-event.h" #include "sd-network.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "list.h" #include "hashmap.h" @@ -50,7 +50,7 @@ struct Manager { /* Network */ Hashmap *links; - sd_rtnl *rtnl; + sd_netlink *rtnl; sd_event_source *rtnl_event_source; sd_network_monitor *network_monitor; diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h new file mode 100644 index 0000000000..24a9ed8e77 --- /dev/null +++ b/src/systemd/sd-netlink.h @@ -0,0 +1,150 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#ifndef foosdnetlinkhfoo +#define foosdnetlinkhfoo + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <inttypes.h> +#include <netinet/in.h> +#include <netinet/ether.h> +#include <linux/rtnetlink.h> +#include <linux/neighbour.h> + +#include "sd-event.h" +#include "_sd-common.h" + +_SD_BEGIN_DECLARATIONS; + +typedef struct sd_netlink sd_netlink; +typedef struct sd_netlink_message sd_netlink_message; + +/* callback */ + +typedef int (*sd_netlink_message_handler_t)(sd_netlink *nl, sd_netlink_message *m, void *userdata); + +/* bus */ +int sd_netlink_new_from_netlink(sd_netlink **nl, int fd); +int sd_netlink_open(sd_netlink **nl); +int sd_netlink_open_fd(sd_netlink **nl, int fd); +int sd_netlink_inc_rcvbuf(const sd_netlink *const rtnl, const int size); + +sd_netlink *sd_netlink_ref(sd_netlink *nl); +sd_netlink *sd_netlink_unref(sd_netlink *nl); + +int sd_netlink_send(sd_netlink *nl, sd_netlink_message *message, uint32_t *serial); +int sd_netlink_call_async(sd_netlink *nl, sd_netlink_message *message, + sd_netlink_message_handler_t callback, + void *userdata, uint64_t usec, uint32_t *serial); +int sd_netlink_call_async_cancel(sd_netlink *nl, uint32_t serial); +int sd_netlink_call(sd_netlink *nl, sd_netlink_message *message, uint64_t timeout, + sd_netlink_message **reply); + +int sd_netlink_get_events(sd_netlink *nl); +int sd_netlink_get_timeout(sd_netlink *nl, uint64_t *timeout); +int sd_netlink_process(sd_netlink *nl, sd_netlink_message **ret); +int sd_netlink_wait(sd_netlink *nl, uint64_t timeout); + +int sd_netlink_add_match(sd_netlink *nl, uint16_t match, sd_netlink_message_handler_t c, void *userdata); +int sd_netlink_remove_match(sd_netlink *nl, uint16_t match, sd_netlink_message_handler_t c, void *userdata); + +int sd_netlink_attach_event(sd_netlink *nl, sd_event *e, int priority); +int sd_netlink_detach_event(sd_netlink *nl); + +int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type, const char *data); +int sd_netlink_message_append_u8(sd_netlink_message *m, unsigned short type, uint8_t data); +int sd_netlink_message_append_u16(sd_netlink_message *m, unsigned short type, uint16_t data); +int sd_netlink_message_append_u32(sd_netlink_message *m, unsigned short type, uint32_t data); +int sd_netlink_message_append_in_addr(sd_netlink_message *m, unsigned short type, const struct in_addr *data); +int sd_netlink_message_append_in6_addr(sd_netlink_message *m, unsigned short type, const struct in6_addr *data); +int sd_netlink_message_append_ether_addr(sd_netlink_message *m, unsigned short type, const struct ether_addr *data); +int sd_netlink_message_append_cache_info(sd_netlink_message *m, unsigned short type, const struct ifa_cacheinfo *info); + +int sd_netlink_message_open_container(sd_netlink_message *m, unsigned short type); +int sd_netlink_message_open_container_union(sd_netlink_message *m, unsigned short type, const char *key); +int sd_netlink_message_close_container(sd_netlink_message *m); + +int sd_netlink_message_read_string(sd_netlink_message *m, unsigned short type, const char **data); +int sd_netlink_message_read_u8(sd_netlink_message *m, unsigned short type, uint8_t *data); +int sd_netlink_message_read_u16(sd_netlink_message *m, unsigned short type, uint16_t *data); +int sd_netlink_message_read_u32(sd_netlink_message *m, unsigned short type, uint32_t *data); +int sd_netlink_message_read_ether_addr(sd_netlink_message *m, unsigned short type, struct ether_addr *data); +int sd_netlink_message_read_cache_info(sd_netlink_message *m, unsigned short type, struct ifa_cacheinfo *info); +int sd_netlink_message_read_in_addr(sd_netlink_message *m, unsigned short type, struct in_addr *data); +int sd_netlink_message_read_in6_addr(sd_netlink_message *m, unsigned short type, struct in6_addr *data); +int sd_netlink_message_enter_container(sd_netlink_message *m, unsigned short type); +int sd_netlink_message_exit_container(sd_netlink_message *m); + +int sd_netlink_message_rewind(sd_netlink_message *m); + +sd_netlink_message *sd_netlink_message_next(sd_netlink_message *m); + +sd_netlink_message *sd_netlink_message_ref(sd_netlink_message *m); +sd_netlink_message *sd_netlink_message_unref(sd_netlink_message *m); + +int sd_netlink_message_request_dump(sd_netlink_message *m, int dump); +int sd_netlink_message_is_error(sd_netlink_message *m); +int sd_netlink_message_get_errno(sd_netlink_message *m); +int sd_netlink_message_get_type(sd_netlink_message *m, uint16_t *type); +int sd_netlink_message_is_broadcast(sd_netlink_message *m); + +/* rtnl */ + +int sd_rtnl_message_new_link(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index); +int sd_rtnl_message_new_addr_update(sd_netlink *nl, sd_netlink_message **ret, int index, int family); +int sd_rtnl_message_new_addr(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index, int family); +int sd_rtnl_message_new_route(sd_netlink *nl, sd_netlink_message **ret, uint16_t nlmsg_type, int rtm_family, unsigned char rtm_protocol); +int sd_rtnl_message_new_neigh(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index, int nda_family); + +int sd_rtnl_message_get_family(sd_netlink_message *m, int *family); + +int sd_rtnl_message_addr_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen); +int sd_rtnl_message_addr_set_scope(sd_netlink_message *m, unsigned char scope); +int sd_rtnl_message_addr_set_flags(sd_netlink_message *m, unsigned char flags); +int sd_rtnl_message_addr_get_family(sd_netlink_message *m, int *family); +int sd_rtnl_message_addr_get_prefixlen(sd_netlink_message *m, unsigned char *prefixlen); +int sd_rtnl_message_addr_get_scope(sd_netlink_message *m, unsigned char *scope); +int sd_rtnl_message_addr_get_flags(sd_netlink_message *m, unsigned char *flags); +int sd_rtnl_message_addr_get_ifindex(sd_netlink_message *m, int *ifindex); + +int sd_rtnl_message_link_set_flags(sd_netlink_message *m, unsigned flags, unsigned change); +int sd_rtnl_message_link_set_type(sd_netlink_message *m, unsigned type); +int sd_rtnl_message_link_set_family(sd_netlink_message *m, unsigned family); +int sd_rtnl_message_link_get_ifindex(sd_netlink_message *m, int *ifindex); +int sd_rtnl_message_link_get_flags(sd_netlink_message *m, unsigned *flags); +int sd_rtnl_message_link_get_type(sd_netlink_message *m, unsigned *type); + +int sd_rtnl_message_route_set_dst_prefixlen(sd_netlink_message *m, unsigned char prefixlen); +int sd_rtnl_message_route_set_src_prefixlen(sd_netlink_message *m, unsigned char prefixlen); +int sd_rtnl_message_route_set_scope(sd_netlink_message *m, unsigned char scope); +int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family); +int sd_rtnl_message_route_get_dst_prefixlen(sd_netlink_message *m, unsigned char *dst_len); +int sd_rtnl_message_route_get_src_prefixlen(sd_netlink_message *m, unsigned char *src_len); + +int sd_rtnl_message_neigh_set_flags(sd_netlink_message *m, uint8_t flags); +int sd_rtnl_message_neigh_set_state(sd_netlink_message *m, uint16_t state); +int sd_rtnl_message_neigh_get_family(sd_netlink_message *m, int *family); +int sd_rtnl_message_neigh_get_ifindex(sd_netlink_message *m, int *family); +int sd_rtnl_message_neigh_get_state(sd_netlink_message *m, uint16_t *state); +int sd_rtnl_message_neigh_get_flags(sd_netlink_message *m, uint8_t *flags); + +_SD_END_DECLARATIONS; + +#endif diff --git a/src/systemd/sd-rtnl.h b/src/systemd/sd-rtnl.h deleted file mode 100644 index b05690cb1c..0000000000 --- a/src/systemd/sd-rtnl.h +++ /dev/null @@ -1,152 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#ifndef foosdrtnlhfoo -#define foosdrtnlhfoo - -/*** - This file is part of systemd. - - Copyright 2013 Tom Gundersen <teg@jklm.no> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <inttypes.h> -#include <netinet/in.h> -#include <netinet/ether.h> -#include <linux/rtnetlink.h> -#include <linux/neighbour.h> - -#include "sd-event.h" -#include "_sd-common.h" - -_SD_BEGIN_DECLARATIONS; - -typedef struct sd_rtnl sd_rtnl; -typedef struct sd_rtnl_message sd_rtnl_message; - -/* callback */ - -typedef int (*sd_rtnl_message_handler_t)(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata); - -/* bus */ -int sd_rtnl_new_from_netlink(sd_rtnl **nl, int fd); -int sd_rtnl_open(sd_rtnl **nl); -int sd_rtnl_open_fd(sd_rtnl **nl, int fd); -int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size); - -sd_rtnl *sd_rtnl_ref(sd_rtnl *nl); -sd_rtnl *sd_rtnl_unref(sd_rtnl *nl); - -int sd_rtnl_send(sd_rtnl *nl, sd_rtnl_message *message, uint32_t *serial); -int sd_rtnl_call_async(sd_rtnl *nl, sd_rtnl_message *message, - sd_rtnl_message_handler_t callback, - void *userdata, uint64_t usec, uint32_t *serial); -int sd_rtnl_call_async_cancel(sd_rtnl *nl, uint32_t serial); -int sd_rtnl_call(sd_rtnl *nl, sd_rtnl_message *message, uint64_t timeout, - sd_rtnl_message **reply); - -int sd_rtnl_get_events(sd_rtnl *nl); -int sd_rtnl_get_timeout(sd_rtnl *nl, uint64_t *timeout); -int sd_rtnl_process(sd_rtnl *nl, sd_rtnl_message **ret); -int sd_rtnl_wait(sd_rtnl *nl, uint64_t timeout); -int sd_rtnl_flush(sd_rtnl *nl); - -int sd_rtnl_add_match(sd_rtnl *nl, uint16_t match, sd_rtnl_message_handler_t c, void *userdata); -int sd_rtnl_remove_match(sd_rtnl *nl, uint16_t match, sd_rtnl_message_handler_t c, void *userdata); - -int sd_rtnl_attach_event(sd_rtnl *nl, sd_event *e, int priority); -int sd_rtnl_detach_event(sd_rtnl *nl); - -/* messages */ -int sd_rtnl_message_new_link(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t msg_type, int index); -int sd_rtnl_message_new_addr_update(sd_rtnl *rtnl, sd_rtnl_message **ret, int index, int family); -int sd_rtnl_message_new_addr(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t msg_type, int index, - int family); -int sd_rtnl_message_new_route(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t nlmsg_type, - int rtm_family, unsigned char rtm_protocol); -int sd_rtnl_message_new_neigh(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t msg_type, int index, int nda_family); - -sd_rtnl_message *sd_rtnl_message_ref(sd_rtnl_message *m); -sd_rtnl_message *sd_rtnl_message_unref(sd_rtnl_message *m); - -int sd_rtnl_message_request_dump(sd_rtnl_message *m, int dump); -int sd_rtnl_message_is_error(sd_rtnl_message *m); -int sd_rtnl_message_get_errno(sd_rtnl_message *m); -int sd_rtnl_message_get_type(sd_rtnl_message *m, uint16_t *type); -int sd_rtnl_message_is_broadcast(sd_rtnl_message *m); - -int sd_rtnl_message_get_family(sd_rtnl_message *m, int *family); - -int sd_rtnl_message_addr_set_prefixlen(sd_rtnl_message *m, unsigned char prefixlen); -int sd_rtnl_message_addr_set_scope(sd_rtnl_message *m, unsigned char scope); -int sd_rtnl_message_addr_set_flags(sd_rtnl_message *m, unsigned char flags); -int sd_rtnl_message_addr_get_family(sd_rtnl_message *m, int *family); -int sd_rtnl_message_addr_get_prefixlen(sd_rtnl_message *m, unsigned char *prefixlen); -int sd_rtnl_message_addr_get_scope(sd_rtnl_message *m, unsigned char *scope); -int sd_rtnl_message_addr_get_flags(sd_rtnl_message *m, unsigned char *flags); -int sd_rtnl_message_addr_get_ifindex(sd_rtnl_message *m, int *ifindex); - -int sd_rtnl_message_link_set_flags(sd_rtnl_message *m, unsigned flags, unsigned change); -int sd_rtnl_message_link_set_type(sd_rtnl_message *m, unsigned type); -int sd_rtnl_message_link_set_family(sd_rtnl_message *m, unsigned family); -int sd_rtnl_message_link_get_ifindex(sd_rtnl_message *m, int *ifindex); -int sd_rtnl_message_link_get_flags(sd_rtnl_message *m, unsigned *flags); -int sd_rtnl_message_link_get_type(sd_rtnl_message *m, unsigned *type); - -int sd_rtnl_message_route_set_dst_prefixlen(sd_rtnl_message *m, unsigned char prefixlen); -int sd_rtnl_message_route_set_src_prefixlen(sd_rtnl_message *m, unsigned char prefixlen); -int sd_rtnl_message_route_set_scope(sd_rtnl_message *m, unsigned char scope); -int sd_rtnl_message_route_get_family(sd_rtnl_message *m, int *family); -int sd_rtnl_message_route_get_dst_prefixlen(sd_rtnl_message *m, unsigned char *dst_len); -int sd_rtnl_message_route_get_src_prefixlen(sd_rtnl_message *m, unsigned char *src_len); - -int sd_rtnl_message_neigh_set_flags(sd_rtnl_message *m, uint8_t flags); -int sd_rtnl_message_neigh_set_state(sd_rtnl_message *m, uint16_t state); -int sd_rtnl_message_neigh_get_family(sd_rtnl_message *m, int *family); -int sd_rtnl_message_neigh_get_ifindex(sd_rtnl_message *m, int *family); -int sd_rtnl_message_neigh_get_state(sd_rtnl_message *m, uint16_t *state); -int sd_rtnl_message_neigh_get_flags(sd_rtnl_message *m, uint8_t *flags); - -int sd_rtnl_message_append_string(sd_rtnl_message *m, unsigned short type, const char *data); -int sd_rtnl_message_append_u8(sd_rtnl_message *m, unsigned short type, uint8_t data); -int sd_rtnl_message_append_u16(sd_rtnl_message *m, unsigned short type, uint16_t data); -int sd_rtnl_message_append_u32(sd_rtnl_message *m, unsigned short type, uint32_t data); -int sd_rtnl_message_append_in_addr(sd_rtnl_message *m, unsigned short type, const struct in_addr *data); -int sd_rtnl_message_append_in6_addr(sd_rtnl_message *m, unsigned short type, const struct in6_addr *data); -int sd_rtnl_message_append_ether_addr(sd_rtnl_message *m, unsigned short type, const struct ether_addr *data); -int sd_rtnl_message_append_cache_info(sd_rtnl_message *m, unsigned short type, const struct ifa_cacheinfo *info); - -int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type); -int sd_rtnl_message_open_container_union(sd_rtnl_message *m, unsigned short type, const char *key); -int sd_rtnl_message_close_container(sd_rtnl_message *m); - -int sd_rtnl_message_read_string(sd_rtnl_message *m, unsigned short type, const char **data); -int sd_rtnl_message_read_u8(sd_rtnl_message *m, unsigned short type, uint8_t *data); -int sd_rtnl_message_read_u16(sd_rtnl_message *m, unsigned short type, uint16_t *data); -int sd_rtnl_message_read_u32(sd_rtnl_message *m, unsigned short type, uint32_t *data); -int sd_rtnl_message_read_ether_addr(sd_rtnl_message *m, unsigned short type, struct ether_addr *data); -int sd_rtnl_message_read_cache_info(sd_rtnl_message *m, unsigned short type, struct ifa_cacheinfo *info); -int sd_rtnl_message_read_in_addr(sd_rtnl_message *m, unsigned short type, struct in_addr *data); -int sd_rtnl_message_read_in6_addr(sd_rtnl_message *m, unsigned short type, struct in6_addr *data); -int sd_rtnl_message_enter_container(sd_rtnl_message *m, unsigned short type); -int sd_rtnl_message_exit_container(sd_rtnl_message *m); - -int sd_rtnl_message_rewind(sd_rtnl_message *m); - -sd_rtnl_message *sd_rtnl_message_next(sd_rtnl_message *m); - -_SD_END_DECLARATIONS; - -#endif diff --git a/src/test/test-rtnl-manual.c b/src/test/test-netlink-manual.c index 9fc860d6a5..1498432971 100644 --- a/src/test/test-rtnl-manual.c +++ b/src/test/test-netlink-manual.c @@ -27,7 +27,7 @@ #include "util.h" #include "macro.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" static int load_module(const char *mod_name) { struct kmod_ctx *ctx; @@ -62,9 +62,9 @@ static int load_module(const char *mod_name) { return r; } -static int test_tunnel_configure(sd_rtnl *rtnl) { +static int test_tunnel_configure(sd_netlink *rtnl) { int r; - sd_rtnl_message *m, *n; + sd_netlink_message *m, *n; struct in_addr local, remote; /* skip test if module cannot be loaded */ @@ -79,25 +79,25 @@ static int test_tunnel_configure(sd_rtnl *rtnl) { assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0); assert_se(m); - assert_se(sd_rtnl_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0); - assert_se(sd_rtnl_message_append_u32(m, IFLA_MTU, 1234)>= 0); + assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, 1234)>= 0); - assert_se(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0); + assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); - assert_se(sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0); + assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0); inet_pton(AF_INET, "192.168.21.1", &local.s_addr); - assert_se(sd_rtnl_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); inet_pton(AF_INET, "192.168.21.2", &remote.s_addr); - assert_se(sd_rtnl_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); - assert_se(sd_rtnl_message_close_container(m) >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); - assert_se(sd_rtnl_call(rtnl, m, -1, 0) == 1); + assert_se(sd_netlink_call(rtnl, m, -1, 0) == 1); - assert_se((m = sd_rtnl_message_unref(m)) == NULL); + assert_se((m = sd_netlink_message_unref(m)) == NULL); r = load_module("sit"); if(r < 0) @@ -107,41 +107,41 @@ static int test_tunnel_configure(sd_rtnl *rtnl) { assert_se(sd_rtnl_message_new_link(rtnl, &n, RTM_NEWLINK, 0) >= 0); assert_se(n); - assert_se(sd_rtnl_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0); - assert_se(sd_rtnl_message_append_u32(n, IFLA_MTU, 1234)>= 0); + assert_se(sd_netlink_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0); + assert_se(sd_netlink_message_append_u32(n, IFLA_MTU, 1234)>= 0); - assert_se(sd_rtnl_message_open_container(n, IFLA_LINKINFO) >= 0); + assert_se(sd_netlink_message_open_container(n, IFLA_LINKINFO) >= 0); - assert_se(sd_rtnl_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0); + assert_se(sd_netlink_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0); - assert_se(sd_rtnl_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0); + assert_se(sd_netlink_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0); inet_pton(AF_INET, "192.168.21.3", &local.s_addr); - assert_se(sd_rtnl_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); + assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); inet_pton(AF_INET, "192.168.21.4", &remote.s_addr); - assert_se(sd_rtnl_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); + assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); - assert_se(sd_rtnl_message_close_container(n) >= 0); - assert_se(sd_rtnl_message_close_container(n) >= 0); + assert_se(sd_netlink_message_close_container(n) >= 0); + assert_se(sd_netlink_message_close_container(n) >= 0); - assert_se(sd_rtnl_call(rtnl, n, -1, 0) == 1); + assert_se(sd_netlink_call(rtnl, n, -1, 0) == 1); - assert_se((m = sd_rtnl_message_unref(n)) == NULL); + assert_se((m = sd_netlink_message_unref(n)) == NULL); return EXIT_SUCCESS; } int main(int argc, char *argv[]) { - sd_rtnl *rtnl; + sd_netlink *rtnl; int r; - assert_se(sd_rtnl_open(&rtnl) >= 0); + assert_se(sd_netlink_open(&rtnl) >= 0); assert_se(rtnl); r = test_tunnel_configure(rtnl); - assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL); + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); return r; } diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c index 5610b2808e..63e54db56e 100644 --- a/src/udev/net/link-config.c +++ b/src/udev/net/link-config.c @@ -28,14 +28,14 @@ #include "ethtool-util.h" #include "libudev-private.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "util.h" #include "log.h" #include "strv.h" #include "path-util.h" #include "conf-parser.h" #include "conf-files.h" -#include "rtnl-util.h" +#include "netlink-util.h" #include "network-internal.h" #include "random-util.h" @@ -46,7 +46,7 @@ struct link_config_ctx { bool enable_name_policy; - sd_rtnl *rtnl; + sd_netlink *rtnl; usec_t link_dirs_ts_usec; }; @@ -103,7 +103,7 @@ void link_config_ctx_free(link_config_ctx *ctx) { safe_close(ctx->ethtool_fd); - sd_rtnl_unref(ctx->rtnl); + sd_netlink_unref(ctx->rtnl); link_configs_free(ctx); diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c index 8d17c5e1e3..7e16922c70 100644 --- a/src/udev/udev-event.c +++ b/src/udev/udev-event.c @@ -30,7 +30,7 @@ #include <sys/wait.h> #include <sys/signalfd.h> -#include "rtnl-util.h" +#include "netlink-util.h" #include "event-util.h" #include "formats-util.h" #include "process-util.h" @@ -62,7 +62,7 @@ struct udev_event *udev_event_new(struct udev_device *dev) { void udev_event_unref(struct udev_event *event) { if (event == NULL) return; - sd_rtnl_unref(event->rtnl); + sd_netlink_unref(event->rtnl); udev_list_cleanup(&event->run_list); udev_list_cleanup(&event->seclabel_list); free(event->program_result); diff --git a/src/udev/udev.h b/src/udev/udev.h index fd8504c424..59751b4c90 100644 --- a/src/udev/udev.h +++ b/src/udev/udev.h @@ -22,7 +22,7 @@ #include <sys/param.h> #include "macro.h" -#include "sd-rtnl.h" +#include "sd-netlink.h" #include "libudev.h" #include "libudev-private.h" #include "util.h" @@ -43,7 +43,7 @@ struct udev_event { struct udev_list run_list; int exec_delay; usec_t birth_usec; - sd_rtnl *rtnl; + sd_netlink *rtnl; unsigned int builtin_run; unsigned int builtin_ret; bool inotify_watch; diff --git a/src/udev/udevd.c b/src/udev/udevd.c index 2affb5944a..2b1dbb8bf1 100644 --- a/src/udev/udevd.c +++ b/src/udev/udevd.c @@ -45,7 +45,7 @@ #include "signal-util.h" #include "event-util.h" -#include "rtnl-util.h" +#include "netlink-util.h" #include "cgroup-util.h" #include "process-util.h" #include "dev-setup.h" @@ -339,7 +339,7 @@ static void worker_spawn(Manager *manager, struct event *event) { switch (pid) { case 0: { struct udev_device *dev = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; + _cleanup_netlink_unref_ sd_netlink *rtnl = NULL; int fd_monitor; _cleanup_close_ int fd_signal = -1, fd_ep = -1; struct epoll_event ep_signal = { .events = EPOLLIN }; @@ -455,7 +455,7 @@ static void worker_spawn(Manager *manager, struct event *event) { if (udev_event->rtnl) /* in case rtnl was initialized */ - rtnl = sd_rtnl_ref(udev_event->rtnl); + rtnl = sd_netlink_ref(udev_event->rtnl); /* apply/restore inotify watch */ if (udev_event->inotify_watch) { |