[epiphany] Add sanity checks for places where we create SoupURIs

[Gustavo Noronha Silva <gns src gnome org>]

commit 906b29252ccc045ff7f895bcb5fabd2be5d60c92
Author: Gustavo Noronha Silva <gns gnome org>
Date:   Sun Dec 20 01:19:47 2009 +0100

    Add sanity checks for places where we create SoupURIs
    
    SoupURI creation may fail for invalid URIs, and we would crash trying
    to work with the NULL pointers.

 lib/ephy-profile-migration.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/lib/ephy-profile-migration.c b/lib/ephy-profile-migration.c
index b5a32f1..01a4a20 100644
--- a/lib/ephy-profile-migration.c
+++ b/lib/ephy-profile-migration.c
@@ -431,6 +431,8 @@ normalize_and_prepare_uri (SoupURI *uri,
                            const char *form_username,
                            const char *form_password)
 {
+  g_return_if_fail (uri != NULL);
+
   /* We normalize https? schemes here so that we use passwords
    * we stored in https sites in their http counterparts, and
    * vice-versa. */
@@ -464,6 +466,9 @@ _ephy_profile_store_form_auth_data (const char *uri,
   g_return_if_fail (password);
 
   fake_uri = soup_uri_new (uri);
+  if (fake_uri == NULL)
+    return;
+
   normalize_and_prepare_uri (fake_uri, form_username, form_password);
   fake_uri_str = soup_uri_to_string (fake_uri, FALSE);
 
@@ -500,6 +505,9 @@ _ephy_profile_query_form_auth_data (const char *uri,
   g_return_val_if_fail (form_password, NULL);
 
   key = soup_uri_new (uri);
+  if (key == NULL)
+    return NULL;
+
   normalize_and_prepare_uri (key, form_username, form_password);
   key_str = soup_uri_to_string (key, FALSE);