diff options
Diffstat (limited to 'src/resolve/resolved-resolv-conf.c')
-rw-r--r-- | src/resolve/resolved-resolv-conf.c | 75 |
1 files changed, 13 insertions, 62 deletions
diff --git a/src/resolve/resolved-resolv-conf.c b/src/resolve/resolved-resolv-conf.c index f5cce670f0..744969b745 100644 --- a/src/resolve/resolved-resolv-conf.c +++ b/src/resolve/resolved-resolv-conf.c @@ -220,14 +220,12 @@ static int write_resolv_conf_contents(FILE *f, OrderedSet *dns, OrderedSet *doma } int manager_write_resolv_conf(Manager *m) { - static const char path[] = "/run/systemd/resolve/resolv.conf"; + + #define PRIVATE_RESOLV_CONF "/run/systemd/resolve/resolv.conf" + + _cleanup_ordered_set_free_ OrderedSet *dns = NULL, *domains = NULL; _cleanup_free_ char *temp_path = NULL; _cleanup_fclose_ FILE *f = NULL; - _cleanup_ordered_set_free_ OrderedSet *dns = NULL, *domains = NULL; - DnsSearchDomain *d; - DnsServer *s; - Iterator i; - Link *l; int r; assert(m); @@ -236,62 +234,15 @@ int manager_write_resolv_conf(Manager *m) { manager_read_resolv_conf(m); /* Add the full list to a set, to filter out duplicates */ - dns = ordered_set_new(&dns_server_hash_ops); - if (!dns) - return -ENOMEM; - - domains = ordered_set_new(&dns_name_hash_ops); - if (!domains) - return -ENOMEM; - - /* First add the system-wide servers and domains */ - LIST_FOREACH(servers, s, m->dns_servers) { - r = ordered_set_put(dns, s); - if (r == -EEXIST) - continue; - if (r < 0) - return r; - } - - LIST_FOREACH(domains, d, m->search_domains) { - r = ordered_set_put(domains, d->name); - if (r == -EEXIST) - continue; - if (r < 0) - return r; - } - - /* Then, add the per-link servers and domains */ - HASHMAP_FOREACH(l, m->links, i) { - LIST_FOREACH(servers, s, l->dns_servers) { - r = ordered_set_put(dns, s); - if (r == -EEXIST) - continue; - if (r < 0) - return r; - } - - LIST_FOREACH(domains, d, l->search_domains) { - r = ordered_set_put(domains, d->name); - if (r == -EEXIST) - continue; - if (r < 0) - return r; - } - } + r = manager_compile_dns_servers(m, &dns); + if (r < 0) + return r; - /* If we found nothing, add the fallback servers */ - if (ordered_set_isempty(dns)) { - LIST_FOREACH(servers, s, m->fallback_dns_servers) { - r = ordered_set_put(dns, s); - if (r == -EEXIST) - continue; - if (r < 0) - return r; - } - } + r = manager_compile_search_domains(m, &domains); + if (r < 0) + return r; - r = fopen_temporary_label(path, path, &f, &temp_path); + r = fopen_temporary_label(PRIVATE_RESOLV_CONF, PRIVATE_RESOLV_CONF, &f, &temp_path); if (r < 0) return r; @@ -301,7 +252,7 @@ int manager_write_resolv_conf(Manager *m) { if (r < 0) goto fail; - if (rename(temp_path, path) < 0) { + if (rename(temp_path, PRIVATE_RESOLV_CONF) < 0) { r = -errno; goto fail; } @@ -309,7 +260,7 @@ int manager_write_resolv_conf(Manager *m) { return 0; fail: - (void) unlink(path); + (void) unlink(PRIVATE_RESOLV_CONF); (void) unlink(temp_path); return r; } |