First implementation of auto-configuration (bug #3140)

[claws.git] / src / common / utils.c

diff --git a/src/common/utils.c b/src/common/utils.c
index ff476f1556c3963f720307d071fa24457df0f5a9..52f6bac343111275e539d4018cf4ec514d6c607d 100644 (file)
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -25,6 +25,7 @@
 #include "defs.h"
 
 #include <glib.h>
+#include <gio/gio.h>
 
 #include <glib/gi18n.h>
 
@@ -237,6 +238,21 @@ gint mkstemp(gchar *template)
 }
 #endif /* G_OS_WIN32 */
 
+GSList *slist_copy_deep(GSList *list, GCopyFunc func)
+{
+#if GLIB_CHECK_VERSION(2, 34, 0)
+       return g_slist_copy_deep(list, func, NULL);
+#else
+       GSList *res = g_slist_copy(list);
+       GSList *walk = res;
+       while (walk) {
+               walk->data = func(walk->data, NULL);
+               walk = walk->next;
+       }
+       return res;
+#endif
+}
+
 void list_free_strings(GList *list)
 {
        list = g_list_first(list);
@@ -5499,3 +5515,45 @@ int cm_canonicalize_filename(const gchar *filename, gchar **canonical_name) {
        slist_free_strings_full(canonical_parts);
        return 0;
 }
+
+#if (defined USE_GNUTLS && GLIB_CHECK_VERSION(2,22,0))
+gboolean auto_configure_service(const gchar *service, const gchar *domain, gchar **srvhost, guint16 *srvport)
+{
+       GResolver *resolver;
+       GList *answers, *cur;
+       GError *error = NULL;
+       gboolean result = FALSE;
+
+       cm_return_val_if_fail(service != NULL, FALSE);
+       cm_return_val_if_fail(domain != NULL, FALSE);
+
+       resolver = g_resolver_get_default();
+       if (resolver == NULL)
+               return FALSE;
+       
+       answers = g_resolver_lookup_service(resolver, service, "tcp", domain, NULL, &error);
+
+       *srvhost = NULL;
+       *srvport = 0;
+
+       if (answers) {
+               for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
+                       GSrvTarget *target = (GSrvTarget *)cur->data;
+                       const gchar *hostname = g_srv_target_get_hostname(target);
+                       guint16 port = g_srv_target_get_port(target);
+                       if (hostname && strcmp(hostname,"") && port > 0) {
+                               result = TRUE;
+                               *srvhost = g_strdup(hostname);
+                               *srvport = port;
+                               break;
+                       }
+               }
+               g_resolver_free_targets(answers);
+       } else if (error) {
+               g_error_free(error);
+       }
+
+       g_object_unref(resolver);
+       return result;
+}
+#endif
\ No newline at end of file