[gssdp] browser: Rewrite link-local locations

[Jens Georg <jensgeorg src gnome org>]

commit 93bb6a94cb6eccbfa350924c144e85a5fc984933
Author: Jens Georg <mail jensge org>
Date:   Thu Feb 18 15:10:17 2016 +0100

    browser: Rewrite link-local locations
    
    It is easer to rewrite the locations here than to adapt every place
    later that is trying to do HTTP

 libgssdp/gssdp-resource-browser.c | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)
---
diff --git a/libgssdp/gssdp-resource-browser.c b/libgssdp/gssdp-resource-browser.c
index 467cc0d..eae064b 100644
--- a/libgssdp/gssdp-resource-browser.c
+++ b/libgssdp/gssdp-resource-browser.c
@@ -730,8 +730,40 @@ resource_available (GSSDPResourceBrowser *resource_browser,
         destroyLocations = TRUE;
 
         header = soup_message_headers_get_one (headers, "Location");
-        if (header)
-                locations = g_list_append (locations, g_strdup (header));
+        if (header) {
+                GSocketFamily family;
+                GSSDPClient *client;
+
+                client = priv->client;
+                family = gssdp_client_get_family (client);
+
+                if (family == G_SOCKET_FAMILY_IPV6) {
+                        SoupURI *uri = soup_uri_new (header);
+                        const char *host = NULL;
+                        GInetAddress *addr = NULL;
+
+                        host = soup_uri_get_host (uri);
+                        addr = g_inet_address_new_from_string (host);
+                        if (g_inet_address_get_is_link_local (addr)) {
+                                char *new_host;
+                                int index = 0;
+
+                                index = gssdp_client_get_index (client);
+
+                                new_host = g_strdup_printf ("%s%%%d",
+                                                            host,
+                                                            index);
+                                soup_uri_set_host (uri, new_host);
+                        }
+                        g_object_unref (addr);
+                        locations = g_list_append (locations,
+                                                   soup_uri_to_string (uri,
+                                                                       FALSE));
+                        soup_uri_free (uri);
+                } else {
+                        locations = g_list_append (locations, g_strdup (header));
+                }
+        }
 
         header = soup_message_headers_get_one (headers, "AL");
         if (header) {