diff options
Diffstat (limited to 'src/resolve/resolved-dnssd-bus.c')
-rw-r--r-- | src/resolve/resolved-dnssd-bus.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/resolve/resolved-dnssd-bus.c b/src/resolve/resolved-dnssd-bus.c new file mode 100644 index 0000000..24bb37b --- /dev/null +++ b/src/resolve/resolved-dnssd-bus.c @@ -0,0 +1,128 @@ + +#include "alloc-util.h" +#include "bus-util.h" +#include "missing_capability.h" +#include "resolved-dnssd.h" +#include "resolved-dnssd-bus.h" +#include "resolved-link.h" +#include "strv.h" +#include "user-util.h" + +int bus_dnssd_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error) { + DnssdService *s = userdata; + DnssdTxtData *txt_data; + Manager *m; + Iterator i; + Link *l; + int r; + + assert(message); + assert(s); + + m = s->manager; + + r = bus_verify_polkit_async(message, CAP_SYS_ADMIN, + "org.freedesktop.resolve1.unregister-service", + NULL, false, s->originator, + &m->polkit_registry, error); + if (r < 0) + return r; + if (r == 0) + return 1; /* Polkit will call us back */ + + HASHMAP_FOREACH(l, m->links, i) { + if (l->mdns_ipv4_scope) { + r = dns_scope_announce(l->mdns_ipv4_scope, true); + if (r < 0) + log_warning_errno(r, "Failed to send goodbye messages in IPv4 scope: %m"); + + dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, s->ptr_rr); + dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, s->srv_rr); + LIST_FOREACH(items, txt_data, s->txt_data_items) + dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, txt_data->rr); + } + + if (l->mdns_ipv6_scope) { + r = dns_scope_announce(l->mdns_ipv6_scope, true); + if (r < 0) + log_warning_errno(r, "Failed to send goodbye messages in IPv6 scope: %m"); + + dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, s->ptr_rr); + dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, s->srv_rr); + LIST_FOREACH(items, txt_data, s->txt_data_items) + dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, txt_data->rr); + } + } + + dnssd_service_free(s); + + manager_refresh_rrs(m); + + return sd_bus_reply_method_return(message, NULL); +} + +const sd_bus_vtable dnssd_vtable[] = { + SD_BUS_VTABLE_START(0), + + SD_BUS_METHOD("Unregister", NULL, NULL, bus_dnssd_method_unregister, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_SIGNAL("Conflicted", NULL, 0), + + SD_BUS_VTABLE_END +}; + +int dnssd_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { + _cleanup_free_ char *name = NULL; + Manager *m = userdata; + DnssdService *service; + int r; + + assert(bus); + assert(path); + assert(interface); + assert(found); + assert(m); + + r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/dnssd", &name); + if (r <= 0) + return 0; + + service = hashmap_get(m->dnssd_services, name); + if (!service) + return 0; + + *found = service; + return 1; +} + +int dnssd_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; + DnssdService *service; + Iterator i; + unsigned c = 0; + int r; + + assert(bus); + assert(path); + assert(m); + assert(nodes); + + l = new0(char*, hashmap_size(m->dnssd_services) + 1); + if (!l) + return -ENOMEM; + + HASHMAP_FOREACH(service, m->dnssd_services, i) { + char *p; + + r = sd_bus_path_encode("/org/freedesktop/resolve1/dnssd", service->name, &p); + if (r < 0) + return r; + + l[c++] = p; + } + + l[c] = NULL; + *nodes = TAKE_PTR(l); + + return 1; +} |