diff options
Diffstat (limited to 'src/resolve/resolved-link-bus.c')
| -rw-r--r-- | src/resolve/resolved-link-bus.c | 629 |
1 files changed, 0 insertions, 629 deletions
diff --git a/src/resolve/resolved-link-bus.c b/src/resolve/resolved-link-bus.c deleted file mode 100644 index 364812250f..0000000000 --- a/src/resolve/resolved-link-bus.c +++ /dev/null @@ -1,629 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2016 Lennart Poettering - - 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 "alloc-util.h" -#include "bus-common-errors.h" -#include "bus-util.h" -#include "parse-util.h" -#include "resolve-util.h" -#include "resolved-bus.h" -#include "resolved-link-bus.h" -#include "resolved-resolv-conf.h" -#include "strv.h" - -static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_resolve_support, resolve_support, ResolveSupport); - -static int property_get_dnssec_mode( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Link *l = userdata; - - assert(reply); - assert(l); - - return sd_bus_message_append(reply, "s", dnssec_mode_to_string(link_get_dnssec_mode(l))); -} - -static int property_get_dns( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Link *l = userdata; - DnsServer *s; - int r; - - assert(reply); - assert(l); - - r = sd_bus_message_open_container(reply, 'a', "(iay)"); - if (r < 0) - return r; - - LIST_FOREACH(servers, s, l->dns_servers) { - r = bus_dns_server_append(reply, s, false); - if (r < 0) - return r; - } - - return sd_bus_message_close_container(reply); -} - -static int property_get_domains( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Link *l = userdata; - DnsSearchDomain *d; - int r; - - assert(reply); - assert(l); - - r = sd_bus_message_open_container(reply, 'a', "(sb)"); - if (r < 0) - return r; - - LIST_FOREACH(domains, d, l->search_domains) { - r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); - if (r < 0) - return r; - } - - return sd_bus_message_close_container(reply); -} - -static int property_get_scopes_mask( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Link *l = userdata; - uint64_t mask; - - assert(reply); - assert(l); - - mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | - (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | - (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | - (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | - (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); - - return sd_bus_message_append(reply, "t", mask); -} - -static int property_get_ntas( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Link *l = userdata; - const char *name; - Iterator i; - int r; - - assert(reply); - assert(l); - - r = sd_bus_message_open_container(reply, 'a', "s"); - if (r < 0) - return r; - - SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { - r = sd_bus_message_append(reply, "s", name); - if (r < 0) - return r; - } - - return sd_bus_message_close_container(reply); -} - -static int property_get_dnssec_supported( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - Link *l = userdata; - - assert(reply); - assert(l); - - return sd_bus_message_append(reply, "b", link_dnssec_supported(l)); -} - -static int verify_unmanaged_link(Link *l, sd_bus_error *error) { - assert(l); - - if (l->flags & IFF_LOOPBACK) - return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->name); - if (l->is_managed) - return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->name); - - return 0; -} - -int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_free_ struct in_addr_data *dns = NULL; - size_t allocated = 0, n = 0; - Link *l = userdata; - unsigned i; - int r; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - r = sd_bus_message_enter_container(message, 'a', "(iay)"); - if (r < 0) - return r; - - for (;;) { - int family; - size_t sz; - const void *d; - - assert_cc(sizeof(int) == sizeof(int32_t)); - - r = sd_bus_message_enter_container(message, 'r', "iay"); - if (r < 0) - return r; - if (r == 0) - break; - - r = sd_bus_message_read(message, "i", &family); - if (r < 0) - return r; - - if (!IN_SET(family, AF_INET, AF_INET6)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); - - r = sd_bus_message_read_array(message, 'y', &d, &sz); - if (r < 0) - return r; - if (sz != FAMILY_ADDRESS_SIZE(family)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); - - if (!dns_server_address_valid(family, d)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNS server address"); - - r = sd_bus_message_exit_container(message); - if (r < 0) - return r; - - if (!GREEDY_REALLOC(dns, allocated, n+1)) - return -ENOMEM; - - dns[n].family = family; - memcpy(&dns[n].address, d, sz); - n++; - } - - r = sd_bus_message_exit_container(message); - if (r < 0) - return r; - - dns_server_mark_all(l->dns_servers); - - for (i = 0; i < n; i++) { - DnsServer *s; - - s = dns_server_find(l->dns_servers, dns[i].family, &dns[i].address, 0); - if (s) - dns_server_move_back_and_unmark(s); - else { - r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i].family, &dns[i].address, 0); - if (r < 0) - goto clear; - } - - } - - dns_server_unlink_marked(l->dns_servers); - link_allocate_scopes(l); - - (void) link_save_user(l); - (void) manager_write_resolv_conf(l->manager); - - return sd_bus_reply_method_return(message, NULL); - -clear: - dns_server_unlink_all(l->dns_servers); - return r; -} - -int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Link *l = userdata; - int r; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - r = sd_bus_message_enter_container(message, 'a', "(sb)"); - if (r < 0) - return r; - - for (;;) { - const char *name; - int route_only; - - r = sd_bus_message_read(message, "(sb)", &name, &route_only); - if (r < 0) - return r; - if (r == 0) - break; - - r = dns_name_is_valid(name); - if (r < 0) - return r; - if (r == 0) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); - if (!route_only && dns_name_is_root(name)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); - } - - dns_search_domain_mark_all(l->search_domains); - - r = sd_bus_message_rewind(message, false); - if (r < 0) - return r; - - for (;;) { - DnsSearchDomain *d; - const char *name; - int route_only; - - r = sd_bus_message_read(message, "(sb)", &name, &route_only); - if (r < 0) - goto clear; - if (r == 0) - break; - - r = dns_search_domain_find(l->search_domains, name, &d); - if (r < 0) - goto clear; - - if (r > 0) - dns_search_domain_move_back_and_unmark(d); - else { - r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); - if (r < 0) - goto clear; - } - - d->route_only = route_only; - } - - r = sd_bus_message_exit_container(message); - if (r < 0) - goto clear; - - dns_search_domain_unlink_marked(l->search_domains); - - (void) link_save_user(l); - (void) manager_write_resolv_conf(l->manager); - - return sd_bus_reply_method_return(message, NULL); - -clear: - dns_search_domain_unlink_all(l->search_domains); - return r; -} - -int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Link *l = userdata; - ResolveSupport mode; - const char *llmnr; - int r; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - r = sd_bus_message_read(message, "s", &llmnr); - if (r < 0) - return r; - - if (isempty(llmnr)) - mode = RESOLVE_SUPPORT_YES; - else { - mode = resolve_support_from_string(llmnr); - if (mode < 0) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); - } - - l->llmnr_support = mode; - link_allocate_scopes(l); - link_add_rrs(l, false); - - (void) link_save_user(l); - - return sd_bus_reply_method_return(message, NULL); -} - -int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Link *l = userdata; - ResolveSupport mode; - const char *mdns; - int r; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - r = sd_bus_message_read(message, "s", &mdns); - if (r < 0) - return r; - - if (isempty(mdns)) - mode = RESOLVE_SUPPORT_NO; - else { - mode = resolve_support_from_string(mdns); - if (mode < 0) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); - } - - l->mdns_support = mode; - link_allocate_scopes(l); - link_add_rrs(l, false); - - (void) link_save_user(l); - - return sd_bus_reply_method_return(message, NULL); -} - -int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Link *l = userdata; - const char *dnssec; - DnssecMode mode; - int r; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - r = sd_bus_message_read(message, "s", &dnssec); - if (r < 0) - return r; - - if (isempty(dnssec)) - mode = _DNSSEC_MODE_INVALID; - else { - mode = dnssec_mode_from_string(dnssec); - if (mode < 0) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); - } - - link_set_dnssec_mode(l, mode); - - (void) link_save_user(l); - - return sd_bus_reply_method_return(message, NULL); -} - -int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_set_free_free_ Set *ns = NULL; - _cleanup_free_ char **ntas = NULL; - Link *l = userdata; - int r; - char **i; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - r = sd_bus_message_read_strv(message, &ntas); - if (r < 0) - return r; - - STRV_FOREACH(i, ntas) { - r = dns_name_is_valid(*i); - if (r < 0) - return r; - if (r == 0) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i); - } - - ns = set_new(&dns_name_hash_ops); - if (!ns) - return -ENOMEM; - - STRV_FOREACH(i, ntas) { - r = set_put_strdup(ns, *i); - if (r < 0) - return r; - } - - set_free_free(l->dnssec_negative_trust_anchors); - l->dnssec_negative_trust_anchors = ns; - ns = NULL; - - (void) link_save_user(l); - - return sd_bus_reply_method_return(message, NULL); -} - -int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { - Link *l = userdata; - int r; - - assert(message); - assert(l); - - r = verify_unmanaged_link(l, error); - if (r < 0) - return r; - - link_flush_settings(l); - link_allocate_scopes(l); - link_add_rrs(l, false); - - (void) link_save_user(l); - (void) manager_write_resolv_conf(l->manager); - - return sd_bus_reply_method_return(message, NULL); -} - -const sd_bus_vtable link_vtable[] = { - SD_BUS_VTABLE_START(0), - - SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), - SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), - SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), - SD_BUS_PROPERTY("LLMNR", "s", property_get_resolve_support, offsetof(Link, llmnr_support), 0), - SD_BUS_PROPERTY("MulticastDNS", "s", property_get_resolve_support, offsetof(Link, mdns_support), 0), - SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), - SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), - SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), - - SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, 0), - SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, 0), - SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, 0), - SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, 0), - SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, 0), - SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, 0), - SD_BUS_METHOD("Revert", NULL, NULL, bus_link_method_revert, 0), - - SD_BUS_VTABLE_END -}; - -int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { - _cleanup_free_ char *e = NULL; - Manager *m = userdata; - int ifindex; - Link *link; - int r; - - assert(bus); - assert(path); - assert(interface); - assert(found); - assert(m); - - r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); - if (r <= 0) - return 0; - - r = parse_ifindex(e, &ifindex); - if (r < 0) - return 0; - - link = hashmap_get(m->links, INT_TO_PTR(ifindex)); - if (!link) - return 0; - - *found = link; - return 1; -} - -char *link_bus_path(Link *link) { - _cleanup_free_ char *ifindex = NULL; - char *p; - int r; - - assert(link); - - if (asprintf(&ifindex, "%i", link->ifindex) < 0) - return NULL; - - r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); - if (r < 0) - return NULL; - - return p; -} - -int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { - _cleanup_strv_free_ char **l = NULL; - Manager *m = userdata; - Link *link; - Iterator i; - unsigned c = 0; - - assert(bus); - assert(path); - assert(m); - assert(nodes); - - l = new0(char*, hashmap_size(m->links) + 1); - if (!l) - return -ENOMEM; - - HASHMAP_FOREACH(link, m->links, i) { - char *p; - - p = link_bus_path(link); - if (!p) - return -ENOMEM; - - l[c++] = p; - } - - l[c] = NULL; - *nodes = l; - l = NULL; - - return 1; -} |