dns: sd-resolved: honor dns-priority

Honor dns-priority by using the preprocessed list of domains provided
by the manager.

(cherry picked from commit 5df69330b5)
This commit is contained in:
Beniamino Galvani 2018-03-23 18:50:17 +01:00
parent bd1021a0a0
commit 4e9555699d

View file

@ -141,47 +141,36 @@ static void
update_add_ip_config (NMDnsSystemdResolved *self, update_add_ip_config (NMDnsSystemdResolved *self,
GVariantBuilder *dns, GVariantBuilder *dns,
GVariantBuilder *domains, GVariantBuilder *domains,
NMIPConfig *config) NMDnsIPConfigData *data)
{ {
int addr_family; int addr_family;
gsize addr_size; gsize addr_size;
guint i, n; guint i, n;
gboolean is_routing; gboolean is_routing;
const char **iter;
const char *domain; const char *domain;
addr_family = nm_ip_config_get_addr_family (config); addr_family = nm_ip_config_get_addr_family (data->ip_config);
addr_size = nm_utils_addr_family_to_size (addr_family); addr_size = nm_utils_addr_family_to_size (addr_family);
n = nm_ip_config_get_num_nameservers (config); if (!data->domains.search || !data->domains.search[0])
return;
n = nm_ip_config_get_num_nameservers (data->ip_config);
for (i = 0 ; i < n; i++) { for (i = 0 ; i < n; i++) {
g_variant_builder_open (dns, G_VARIANT_TYPE ("(iay)")); g_variant_builder_open (dns, G_VARIANT_TYPE ("(iay)"));
g_variant_builder_add (dns, "i", addr_family); g_variant_builder_add (dns, "i", addr_family);
g_variant_builder_add_value (dns, g_variant_builder_add_value (dns,
g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE,
nm_ip_config_get_nameserver (config, i), nm_ip_config_get_nameserver (data->ip_config, i),
addr_size, addr_size,
1)); 1));
g_variant_builder_close (dns); g_variant_builder_close (dns);
} }
n = nm_ip_config_get_num_searches (config); for (iter = data->domains.search; *iter; iter++) {
if (n > 0) { domain = nm_utils_parse_dns_domain (*iter, &is_routing);
for (i = 0; i < n; i++) { g_variant_builder_add (domains, "(sb)", domain[0] ? domain : ".", is_routing);
domain = nm_utils_parse_dns_domain (nm_ip_config_get_search (config, i),
&is_routing);
g_variant_builder_add (domains, "(sb)",
domain,
is_routing);
}
} else {
n = nm_ip_config_get_num_domains (config);
for (i = 0; i < n; i++) {
domain = nm_utils_parse_dns_domain (nm_ip_config_get_domain (config, i),
&is_routing);
g_variant_builder_add (domains, "(sb)",
domain,
is_routing);
}
} }
} }
@ -216,9 +205,10 @@ prepare_one_interface (NMDnsSystemdResolved *self, InterfaceConfig *ic)
g_variant_builder_open (&domains, G_VARIANT_TYPE ("a(sb)")); g_variant_builder_open (&domains, G_VARIANT_TYPE ("a(sb)"));
c_list_for_each_entry (elem, &ic->configs_lst_head, lst) { c_list_for_each_entry (elem, &ic->configs_lst_head, lst) {
NMIPConfig *ip_config = elem->data; NMDnsIPConfigData *data = elem->data;
NMIPConfig *ip_config = data->ip_config;
update_add_ip_config (self, &dns, &domains, ip_config); update_add_ip_config (self, &dns, &domains, data);
if (NM_IS_IP4_CONFIG (ip_config)) if (NM_IS_IP4_CONFIG (ip_config))
mdns = NM_MAX (mdns, nm_ip4_config_mdns_get (NM_IP4_CONFIG (ip_config))); mdns = NM_MAX (mdns, nm_ip4_config_mdns_get (NM_IP4_CONFIG (ip_config)));
@ -294,25 +284,15 @@ update (NMDnsPlugin *plugin,
gs_free gpointer *interfaces_keys = NULL; gs_free gpointer *interfaces_keys = NULL;
guint interfaces_len; guint interfaces_len;
guint i; guint i;
int prio, first_prio = 0;
NMDnsIPConfigData *ip_data; NMDnsIPConfigData *ip_data;
gboolean is_first = TRUE;
interfaces = g_hash_table_new_full (nm_direct_hash, NULL, interfaces = g_hash_table_new_full (nm_direct_hash, NULL,
NULL, (GDestroyNotify) _interface_config_free); NULL, (GDestroyNotify) _interface_config_free);
c_list_for_each_entry (ip_data, ip_config_lst_head, ip_config_lst) { c_list_for_each_entry (ip_data, ip_config_lst_head, ip_config_lst) {
gboolean skip = FALSE;
InterfaceConfig *ic = NULL; InterfaceConfig *ic = NULL;
int ifindex; int ifindex;
prio = nm_ip_config_get_dns_priority (ip_data->ip_config);
if (is_first) {
is_first = FALSE;
first_prio = prio;
} else if (first_prio < 0 && first_prio != prio)
skip = TRUE;
ifindex = ip_data->data->ifindex; ifindex = ip_data->data->ifindex;
nm_assert (ifindex == nm_ip_config_get_ifindex (ip_data->ip_config)); nm_assert (ifindex == nm_ip_config_get_ifindex (ip_data->ip_config));
@ -324,10 +304,8 @@ update (NMDnsPlugin *plugin,
g_hash_table_insert (interfaces, GINT_TO_POINTER (ifindex), ic); g_hash_table_insert (interfaces, GINT_TO_POINTER (ifindex), ic);
} }
if (!skip) { c_list_link_tail (&ic->configs_lst_head,
c_list_link_tail (&ic->configs_lst_head, &nm_c_list_elem_new_stale (ip_data)->lst);
&nm_c_list_elem_new_stale (ip_data->ip_config)->lst);
}
} }
free_pending_updates (self); free_pending_updates (self);