Fixed bug in adding zero-padding to STUN messages protected with message...

Fixed bug in adding zero-padding to STUN messages protected with message integrity. Patch by Petteri Puolakka.

darcs-hash:20061204153548-7659e-53b324ef6d72d743499813891cd8113847cf835f.gz

RELEASE

@@ -46,6 +46,7 @@ Contributors to this release
 /> 
 
 - **template**: First Surname (patch to nua/soa/msg)
+- Petteri Puolakka (patch to stun)
 
 See the AUTHORS file in the distribution package.
 
@@ -68,3 +69,5 @@ Bugs fixed in this release
 />
 
 - **template**: #9499652 sf.net bug item title
+- Bug in zero-padding STUN messages with a message integrity 
+  attribute. Patch by Petteri Puolakka.

libsofia-sip-ua/stun/stun_common.c

@@ -443,7 +443,7 @@ int stun_encode_message_integrity(stun_attr_t *attr,
   }
 
   /* zero padding */
-  if (len % 64 == 0) {
+  if (len % 64 != 0) {
 
     padded_len = len + (64 - (len % 64));
     padded_text = (unsigned char *) malloc(padded_len);