diff options
Diffstat (limited to 'src/network/networkd-netdev-tunnel.c')
-rw-r--r-- | src/network/networkd-netdev-tunnel.c | 605 |
1 files changed, 0 insertions, 605 deletions
diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c deleted file mode 100644 index 89ad3ee048..0000000000 --- a/src/network/networkd-netdev-tunnel.c +++ /dev/null @@ -1,605 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2014 Susant Sahani - - 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 <arpa/inet.h> -#include <net/if.h> -#include <linux/ip.h> -#include <linux/if_tunnel.h> -#include <linux/ip6_tunnel.h> - -#include "sd-rtnl.h" -#include "networkd-netdev-tunnel.h" -#include "networkd-link.h" -#include "util.h" -#include "missing.h" -#include "conf-parser.h" - -#define DEFAULT_TNL_HOP_LIMIT 64 - -static const char* const ip6tnl_mode_table[_NETDEV_IP6_TNL_MODE_MAX] = { - [NETDEV_IP6_TNL_MODE_IP6IP6] = "ip6ip6", - [NETDEV_IP6_TNL_MODE_IPIP6] = "ipip6", - [NETDEV_IP6_TNL_MODE_ANYIP6] = "any", -}; - -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) { - Tunnel *t = IPIP(netdev); - int r; - - assert(netdev); - assert(link); - assert(m); - assert(t); - assert(t->family == AF_INET); - - r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LINK attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LOCAL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_REMOTE attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_TTL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_PMTUDISC attribute: %s", - strerror(-r)); - return r; - } - - return r; -} - -static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { - Tunnel *t = SIT(netdev); - int r; - - assert(netdev); - assert(link); - assert(m); - assert(t); - assert(t->family == AF_INET); - - r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LINK attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LOCAL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_REMOTE attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_TTL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_PMTUDISC attribute: %s", - strerror(-r)); - return r; - } - - return r; -} - -static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { - Tunnel *t; - int r; - - assert(netdev); - - if (netdev->kind == NETDEV_KIND_GRE) - t = GRE(netdev); - else - t = GRETAP(netdev); - - assert(t); - assert(t->family == AF_INET); - assert(link); - assert(m); - - r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_LINK attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_LOCAL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_REMOTE attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_TTL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, t->tos); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_TOS attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_PMTUDISC attribute: %s", - strerror(-r)); - return r; - } - - return r; -} - -static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { - Tunnel *t; - int r; - - assert(netdev); - - if (netdev->kind == NETDEV_KIND_IP6GRE) - t = IP6GRE(netdev); - else - t = IP6GRETAP(netdev); - - assert(t); - assert(t->family == AF_INET6); - assert(link); - assert(m); - - r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_LINK attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_LOCAL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_REMOTE attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_GRE_TTL attribute: %s", - strerror(-r)); - return r; - } - - return r; -} - -static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { - Tunnel *t = VTI(netdev); - int r; - - assert(netdev); - assert(link); - assert(m); - assert(t); - assert(t->family == AF_INET); - - r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LINK attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LOCAL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_REMOTE attribute: %s", - strerror(-r)); - return r; - } - - return r; -} - -static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { - Tunnel *t = IP6TNL(netdev); - uint8_t proto; - int r; - - assert(netdev); - assert(link); - assert(m); - assert(t); - assert(t->family == AF_INET6); - - r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LINK attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_LOCAL attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_REMOTE attribute: %s", - strerror(-r)); - return r; - } - - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_TTL attribute: %s", - strerror(-r)); - return r; - } - - switch (t->ip6tnl_mode) { - case NETDEV_IP6_TNL_MODE_IP6IP6: - proto = IPPROTO_IPV6; - break; - case NETDEV_IP6_TNL_MODE_IPIP6: - proto = IPPROTO_IPIP; - break; - case NETDEV_IP6_TNL_MODE_ANYIP6: - default: - proto = 0; - break; - } - - r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PROTO, proto); - if (r < 0) { - log_netdev_error(netdev, - "Could not append IFLA_IPTUN_MODE attribute: %s", - strerror(-r)); - return r; - } - - return r; -} - -static int netdev_tunnel_verify(NetDev *netdev, const char *filename) { - Tunnel *t = NULL; - - assert(netdev); - assert(filename); - - switch (netdev->kind) { - case NETDEV_KIND_IPIP: - t = IPIP(netdev); - break; - case NETDEV_KIND_SIT: - t = SIT(netdev); - break; - case NETDEV_KIND_GRE: - t = GRE(netdev); - break; - case NETDEV_KIND_GRETAP: - t = GRETAP(netdev); - break; - case NETDEV_KIND_IP6GRE: - t = IP6GRE(netdev); - break; - case NETDEV_KIND_IP6GRETAP: - t = IP6GRETAP(netdev); - break; - case NETDEV_KIND_VTI: - t = VTI(netdev); - break; - case NETDEV_KIND_IP6TNL: - t = IP6TNL(netdev); - break; - default: - assert_not_reached("Invalid tunnel kind"); - } - - assert(t); - - if (t->remote.in.s_addr == INADDR_ANY) { - log_warning("Tunnel without remote address configured in %s. Ignoring", filename); - return -EINVAL; - } - - if (t->family != AF_INET && t->family != AF_INET6) { - log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename); - return -EINVAL; - } - - if (netdev->kind == NETDEV_KIND_IP6TNL) { - if (t->ip6tnl_mode == _NETDEV_IP6_TNL_MODE_INVALID) { - log_warning("IP6 Tunnel without mode configured in %s. Ignoring", filename); - return -EINVAL; - } - } - - return 0; -} - -int config_parse_tunnel_address(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - Tunnel *t = userdata; - union in_addr_union *addr = data, buffer; - int r, f; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = in_addr_from_string_auto(rvalue, &f, &buffer); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel address is invalid, ignoring assignment: %s", rvalue); - return 0; - } - - if (t->family != AF_UNSPEC && t->family != f) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel addresses incompatible, ignoring assignment: %s", rvalue); - return 0; - } - - t->family = f; - *addr = buffer; - - return 0; -} - -static void ipip_init(NetDev *n) { - Tunnel *t = IPIP(n); - - assert(n); - assert(t); - - t->pmtudisc = true; -} - -static void sit_init(NetDev *n) { - Tunnel *t = SIT(n); - - assert(n); - assert(t); - - t->pmtudisc = true; -} - -static void vti_init(NetDev *n) { - Tunnel *t = VTI(n); - - assert(n); - assert(t); - - t->pmtudisc = true; -} - -static void gre_init(NetDev *n) { - Tunnel *t; - - assert(n); - - if (n->kind == NETDEV_KIND_GRE) - t = GRE(n); - else - t = GRETAP(n); - - assert(t); - - t->pmtudisc = true; -} - -static void ip6gre_init(NetDev *n) { - Tunnel *t; - - assert(n); - - if (n->kind == NETDEV_KIND_IP6GRE) - t = IP6GRE(n); - else - t = IP6GRETAP(n); - - assert(t); - - t->ttl = DEFAULT_TNL_HOP_LIMIT; -} - -static void ip6tnl_init(NetDev *n) { - Tunnel *t = IP6TNL(n); - - assert(n); - assert(t); - - t->ttl = DEFAULT_TNL_HOP_LIMIT; - t->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; - t->ip6tnl_mode = _NETDEV_IP6_TNL_MODE_INVALID; -} - -const NetDevVTable ipip_vtable = { - .object_size = sizeof(Tunnel), - .init = ipip_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_ipip_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable sit_vtable = { - .object_size = sizeof(Tunnel), - .init = sit_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_sit_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable vti_vtable = { - .object_size = sizeof(Tunnel), - .init = vti_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_vti_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable gre_vtable = { - .object_size = sizeof(Tunnel), - .init = gre_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_gre_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable gretap_vtable = { - .object_size = sizeof(Tunnel), - .init = gre_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_gre_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable ip6gre_vtable = { - .object_size = sizeof(Tunnel), - .init = ip6gre_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_ip6gre_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable ip6gretap_vtable = { - .object_size = sizeof(Tunnel), - .init = ip6gre_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_ip6gre_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; - -const NetDevVTable ip6tnl_vtable = { - .object_size = sizeof(Tunnel), - .init = ip6tnl_init, - .sections = "Match\0NetDev\0Tunnel\0", - .fill_message_create = netdev_ip6tnl_fill_message_create, - .create_type = NETDEV_CREATE_STACKED, - .config_verify = netdev_tunnel_verify, -}; |