Ignore ufrag/password in "a=candidate" lines in SDP.

webrtc/api/webrtcsdp.cc

 /*
  *  Copyright 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 2658 matching lines @@
         return false;
       }
       *content_name = mline_id;
     } else if (HasAttribute(line, kAttributeBundleOnly)) {
       *bundle_only = true;
     } else if (HasAttribute(line, kAttributeCandidate)) {
       Candidate candidate;
       if (!ParseCandidate(line, &candidate, error, false)) {
         return false;
       }
+      // ParseCandidate will parse non-standard ufrag and password attributes,
+      // since it's used for candidate trickling, but we only want to process
+      // the "a=ice-ufrag"/"a=ice-pwd" values in a session description, so
+      // strip them off at this point.
+      candidate.set_username(std::string());
+      candidate.set_password(std::string());
       candidates_orig.push_back(candidate);
     } else if (HasAttribute(line, kAttributeIceUfrag)) {
       if (!GetValue(line, kAttributeIceUfrag, &transport->ice_ufrag, error)) {
         return false;
       }
     } else if (HasAttribute(line, kAttributeIcePwd)) {
       if (!GetValue(line, kAttributeIcePwd, &transport->ice_pwd, error)) {
         return false;
       }
     } else if (HasAttribute(line, kAttributeIceOption)) {
@@ skipping 536 matching lines @@
     UpdateCodec<AudioContentDescription, cricket::AudioCodec>(
         media_desc, payload_type, feedback_param);
   } else if (media_type == cricket::MEDIA_TYPE_VIDEO) {
     UpdateCodec<VideoContentDescription, cricket::VideoCodec>(
         media_desc, payload_type, feedback_param);
   }
   return true;
 }
 
 }  // namespace webrtc