[evolution] handle_http_request: Skip invalid URIs

[Milan Crha <mcrha src gnome org>]

commit 2f7e0badb456953779596dade2b239117fbcd81d
Author: Milan Crha <mcrha redhat com>
Date:   Fri Feb 20 14:29:36 2015 +0100

    handle_http_request: Skip invalid URIs
    
    It wasn't checked whether the passed-in URI was correct, but the message
    object returned from soup_message_new() was dereferenced anyway, which
    could cause a crash.

 mail/e-http-request.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/mail/e-http-request.c b/mail/e-http-request.c
index 39ceb56..afe09cf 100644
--- a/mail/e-http-request.c
+++ b/mail/e-http-request.c
@@ -361,6 +361,12 @@ handle_http_request (GSimpleAsyncResult *res,
                GError *error;
                GMainContext *context;
 
+               message = soup_message_new (SOUP_METHOD_GET, uri);
+               if (!message) {
+                       g_debug ("%s: Skipping invalid URI '%s'", G_STRFUNC, uri);
+                       goto cleanup;
+               }
+
                context = g_main_context_new ();
                g_main_context_push_thread_default (context);
 
@@ -372,7 +378,6 @@ handle_http_request (GSimpleAsyncResult *res,
                        temp_session, "proxy-resolver",
                        G_BINDING_SYNC_CREATE);
 
-               message = soup_message_new (SOUP_METHOD_GET, uri);
                soup_message_headers_append (
                        message->request_headers,
                        "User-Agent", "Evolution/" VERSION);