Allow IP literals in Alt-Svc hostnames.

net/spdy/spdy_alt_svc_wire_format.cc

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_alt_svc_wire_format.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
@@ skipping 285 matching lines @@
   }
   return true;
 }
 
 // static
 bool SpdyAltSvcWireFormat::ParseAltAuthority(StringPiece::const_iterator c,
                                              StringPiece::const_iterator end,
                                              std::string* host,
                                              uint16_t* port) {
   host->clear();
-  for (; c != end && *c != ':'; ++c) {
-    if (*c == '"') {
-      // Port is mandatory.
-      return false;
-    }
-    if (*c == '\\') {
-      ++c;
-      if (c == end) {
-        return false;
-      }
-    }
-    host->push_back(*c);
-  }
   if (c == end) {
     return false;
   }
+  if (*c == '[') {
+    for (; c != end && *c != ']'; ++c) {
+      if (*c == '"') {
+        // Port is mandatory.
+        return false;
+      }
+      host->push_back(*c);
+    }
+    if (c == end) {
+      return false;
+    }
+    DCHECK_EQ(']', *c);
+    host->push_back(*c);
+    ++c;
+  } else {
+    for (; c != end && *c != ':'; ++c) {
+      if (*c == '"') {
+        // Port is mandatory.
+        return false;
+      }
+      if (*c == '\\') {
+        ++c;
+        if (c == end) {
+          return false;
+        }
+      }
+      host->push_back(*c);
+    }
+  }
+  if (c == end || *c != ':') {
+    return false;
+  }
   DCHECK_EQ(':', *c);
   ++c;
   return ParsePositiveInteger16(c, end, port);
 }
 
 // static
 bool SpdyAltSvcWireFormat::ParsePositiveInteger16(
     StringPiece::const_iterator c,
     StringPiece::const_iterator end,
     uint16_t* value) {
   return ParsePositiveIntegerImpl<uint16_t>(c, end, value);
 }
 
 // static
 bool SpdyAltSvcWireFormat::ParsePositiveInteger32(
     StringPiece::const_iterator c,
     StringPiece::const_iterator end,
     uint32_t* value) {
   return ParsePositiveIntegerImpl<uint32_t>(c, end, value);
 }
 
 }  // namespace net