hashmap_remove(l->manager->links, INT_TO_PTR(l->ifindex));
dns_scope_free(l->unicast_scope);
- dns_scope_free(l->mdns_ipv4_scope);
- dns_scope_free(l->mdns_ipv6_scope);
+ dns_scope_free(l->llmnr_ipv4_scope);
+ dns_scope_free(l->llmnr_ipv6_scope);
while (l->dhcp_dns_servers)
dns_server_free(l->dhcp_dns_servers);
free(l);
return NULL;
- }
+}
-int link_update_rtnl(Link *l, sd_rtnl_message *m) {
+static void link_allocate_scopes(Link *l) {
int r;
assert(l);
- assert(m);
- r = sd_rtnl_message_link_get_flags(m, &l->flags);
- if (r < 0)
- return r;
+ if (l->link_dns_servers || l->dhcp_dns_servers) {
+ if (!l->unicast_scope) {
+ r = dns_scope_new(l->manager, &l->unicast_scope, l, DNS_PROTOCOL_DNS, AF_UNSPEC);
+ if (r < 0)
+ log_warning("Failed to allocate DNS scope: %s", strerror(-r));
+ }
+ } else
+ l->unicast_scope = dns_scope_free(l->unicast_scope);
- sd_rtnl_message_read_u32(m, IFLA_MTU, &l->mtu);
- return 0;
+ if (link_relevant(l, AF_INET) && l->manager->use_llmnr) {
+ if (!l->llmnr_ipv4_scope) {
+ r = dns_scope_new(l->manager, &l->llmnr_ipv4_scope, l, DNS_PROTOCOL_LLMNR, AF_INET);
+ if (r < 0)
+ log_warning("Failed to allocate LLMNR IPv4 scope: %s", strerror(-r));
+ }
+ } else
+ l->llmnr_ipv4_scope = dns_scope_free(l->llmnr_ipv4_scope);
+
+ if (link_relevant(l, AF_INET6) && l->manager->use_llmnr) {
+ if (!l->llmnr_ipv6_scope) {
+ r = dns_scope_new(l->manager, &l->llmnr_ipv6_scope, l, DNS_PROTOCOL_LLMNR, AF_INET6);
+ if (r < 0)
+ log_warning("Failed to allocate LLMNR IPv6 scope: %s", strerror(-r));
+ }
+ } else
+ l->llmnr_ipv6_scope = dns_scope_free(l->llmnr_ipv6_scope);
}
-static int update_dhcp_dns_servers(Link *l) {
- _cleanup_dhcp_lease_unref_ sd_dhcp_lease *lease = NULL;
- const struct in_addr *nameservers = NULL;
- DnsServer *s, *nx;
- int r, n, i;
+int link_update_rtnl(Link *l, sd_rtnl_message *m) {
+ const char *n = NULL;
+ int r;
assert(l);
+ assert(m);
- r = sd_network_dhcp_use_dns(l->ifindex);
- if (r <= 0)
- goto clear;
-
- r = sd_network_get_dhcp_lease(l->ifindex, &lease);
+ r = sd_rtnl_message_link_get_flags(m, &l->flags);
if (r < 0)
- goto clear;
-
- LIST_FOREACH(servers, s, l->dhcp_dns_servers)
- s->marked = true;
-
- n = sd_dhcp_lease_get_dns(lease, &nameservers);
- if (n < 0) {
- r = n;
- goto clear;
- }
+ return r;
- for (i = 0; i < n; i++) {
- union in_addr_union a = { .in = nameservers[i] };
+ sd_rtnl_message_read_u32(m, IFLA_MTU, &l->mtu);
- s = link_find_dns_server(l, DNS_SERVER_DHCP, AF_INET, &a);
- if (s)
- s->marked = false;
- else {
- r = dns_server_new(l->manager, NULL, DNS_SERVER_DHCP, l, AF_INET, &a);
- if (r < 0)
- goto clear;
- }
+ if (sd_rtnl_message_read_string(m, IFLA_IFNAME, &n) >= 0) {
+ strncpy(l->name, n, sizeof(l->name));
+ char_array_0(l->name);
}
- LIST_FOREACH_SAFE(servers, s, nx, l->dhcp_dns_servers)
- if (s->marked)
- dns_server_free(s);
-
+ link_allocate_scopes(l);
return 0;
-
-clear:
- while (l->dhcp_dns_servers)
- dns_server_free(l->dhcp_dns_servers);
-
- return r;
}
-static int update_link_dns_servers(Link *l) {
+static int link_update_link_dns_servers(Link *l) {
_cleanup_free_ struct in_addr *nameservers = NULL;
_cleanup_free_ struct in6_addr *nameservers6 = NULL;
DnsServer *s, *nx;
int link_update_monitor(Link *l) {
assert(l);
- free(l->operational_state);
- l->operational_state = NULL;
-
- sd_network_get_link_operational_state(l->ifindex, &l->operational_state);
-
- update_dhcp_dns_servers(l);
- update_link_dns_servers(l);
+ link_update_link_dns_servers(l);
+ link_allocate_scopes(l);
return 0;
}
-bool link_relevant(Link *l) {
+bool link_relevant(Link *l, int family) {
+ _cleanup_free_ char *state = NULL;
LinkAddress *a;
assert(l);
if (l->flags & IFF_LOOPBACK)
return false;
- if (l->operational_state && !STR_IN_SET(l->operational_state, "unknown", "degraded", "routable"))
+ sd_network_get_link_operational_state(l->ifindex, &state);
+ if (state && !STR_IN_SET(state, "unknown", "degraded", "routable"))
return false;
LIST_FOREACH(addresses, a, l->addresses)
- if (link_address_relevant(a))
+ if (a->family == family && link_address_relevant(a))
return true;
return false;
}
-LinkAddress *link_find_address(Link *l, unsigned char family, union in_addr_union *in_addr) {
+LinkAddress *link_find_address(Link *l, int family, union in_addr_union *in_addr) {
LinkAddress *a;
assert(l);
- LIST_FOREACH(addresses, a, l->addresses) {
-
- if (a->family == family &&
- in_addr_equal(family, &a->in_addr, in_addr))
+ LIST_FOREACH(addresses, a, l->addresses)
+ if (a->family == family && in_addr_equal(family, &a->in_addr, in_addr))
return a;
- }
return NULL;
}
-DnsServer* link_find_dns_server(Link *l, DnsServerSource source, unsigned char family, union in_addr_union *in_addr) {
+DnsServer* link_find_dns_server(Link *l, DnsServerSource source, int family, union in_addr_union *in_addr) {
DnsServer *first, *s;
assert(l);
first = source == DNS_SERVER_DHCP ? l->dhcp_dns_servers : l->link_dns_servers;
- LIST_FOREACH(servers, s, first) {
-
- if (s->family == family &&
- in_addr_equal(family, &s->address, in_addr))
+ LIST_FOREACH(servers, s, first)
+ if (s->family == family && in_addr_equal(family, &s->address, in_addr))
return s;
- }
return NULL;
}
}
}
-int link_address_new(Link *l, LinkAddress **ret, unsigned char family, union in_addr_union *in_addr) {
+int link_address_new(Link *l, LinkAddress **ret, int family, union in_addr_union *in_addr) {
LinkAddress *a;
assert(l);
if (r < 0)
return r;
- r = sd_rtnl_message_addr_get_scope(m, &a->scope);
- if (r < 0)
- return r;
+ sd_rtnl_message_addr_get_scope(m, &a->scope);
+ link_allocate_scopes(a->link);
return 0;
}
~ianmdlvl / elogind.git / blobdiff