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Diffstat (limited to 'src/resolve/resolved-link-bus.c')
| -rw-r--r-- | src/resolve/resolved-link-bus.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/resolve/resolved-link-bus.c b/src/resolve/resolved-link-bus.c new file mode 100644 index 0000000000..d77251e241 --- /dev/null +++ b/src/resolve/resolved-link-bus.c @@ -0,0 +1,236 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + 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-util.h" +#include "parse-util.h" +#include "resolve-util.h" +#include "resolved-bus.h" +#include "resolved-link-bus.h" +#include "strv.h" + +static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_resolve_support, resolve_support, ResolveSupport); +static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_dnssec_mode, dnssec_mode, DnssecMode); + +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', "s"); + if (r < 0) + return r; + + LIST_FOREACH(domains, d, l->search_domains) { + r = sd_bus_message_append(reply, "s", d->name); + 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); +} + +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", "as", 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, offsetof(Link, dnssec_mode), 0), + SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 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; +} |