diff options
| -rw-r--r-- | avahi-core/server.c | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/avahi-core/server.c b/avahi-core/server.c index 9d4026d..5bfbc50 100644 --- a/avahi-core/server.c +++ b/avahi-core/server.c @@ -1226,17 +1226,27 @@ static void update_fqdn(AvahiServer *s) { } int avahi_server_set_host_name(AvahiServer *s, const char *host_name) { + char *hn = NULL; assert(s); - assert(host_name); + + AVAHI_CHECK_VALIDITY(s, !host_name || avahi_is_valid_host_name(host_name), AVAHI_ERR_INVALID_HOST_NAME); - if (host_name && !avahi_is_valid_host_name(host_name)) - return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME); + if (!host_name) { + hn = avahi_get_host_name_strdup(); + hn[strcspn(hn, ".")] = 0; + host_name = hn; + } + if (avahi_domain_equal(s->host_name, host_name) && s->state != AVAHI_SERVER_COLLISION) { + avahi_free(hn); + return avahi_server_set_errno(s, AVAHI_ERR_NO_CHANGE); + } + withdraw_host_rrs(s); avahi_free(s->host_name); - s->host_name = host_name ? avahi_normalize_name_strdup(host_name) : avahi_get_host_name_strdup(); - s->host_name[strcspn(s->host_name, ".")] = 0; + s->host_name = hn ? hn : avahi_strdup(host_name); + update_fqdn(s); register_stuff(s); @@ -1244,19 +1254,30 @@ int avahi_server_set_host_name(AvahiServer *s, const char *host_name) { } int avahi_server_set_domain_name(AvahiServer *s, const char *domain_name) { + char *dn = NULL; assert(s); - assert(domain_name); - if (domain_name && !avahi_is_valid_domain_name(domain_name)) - return avahi_server_set_errno(s, AVAHI_ERR_INVALID_DOMAIN_NAME); + AVAHI_CHECK_VALIDITY(s, !domain_name || avahi_is_valid_domain_name(domain_name), AVAHI_ERR_INVALID_DOMAIN_NAME); + + if (!domain_name) { + dn = avahi_strdup("local"); + domain_name = dn; + } + + if (avahi_domain_equal(s->domain_name, domain_name)) { + avahi_free(dn); + return avahi_server_set_errno(s, AVAHI_ERR_NO_CHANGE); + } withdraw_host_rrs(s); avahi_free(s->domain_name); - s->domain_name = domain_name ? avahi_normalize_name_strdup(domain_name) : avahi_strdup("local"); + s->domain_name = avahi_normalize_name_strdup(domain_name); update_fqdn(s); register_stuff(s); + + avahi_free(dn); return AVAHI_OK; } |