FTP: fix directory listing parser for ftp.symantec.com.

net/ftp/ftp_directory_listing_parser_ls.cc

 // Copyright (c) 2010 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/ftp/ftp_directory_listing_parser_ls.h"
 
 #include <vector>
 
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
@@ skipping 140 matching lines @@
                                     columns[4 + column_offset],
                                     columns[5 + column_offset],
                                     current_time_,
                                     &entry.last_modified)) {
     return false;
   }
 
   entry.name = FtpUtil::GetStringPartAfterColumns(line, 6 + column_offset);
   if (entry.type == FtpDirectoryListingEntry::SYMLINK) {
     string16::size_type pos = entry.name.rfind(ASCIIToUTF16(" -> "));
-    if (pos == string16::npos)
-      return false;
-    entry.name = entry.name.substr(0, pos);
+
+    // We don't require the " -> " to be present. Some FTP servers don't send
+    // the symlink target, possibly for security reasons.
+    if (pos != string16::npos)
+      entry.name = entry.name.substr(0, pos);
   }
 
   entries_.push(entry);
   return true;
 }
 
 bool FtpDirectoryListingParserLs::OnEndOfInput() {
   return true;
 }
 
 bool FtpDirectoryListingParserLs::EntryAvailable() const {
   return !entries_.empty();
 }
 
 FtpDirectoryListingEntry FtpDirectoryListingParserLs::PopEntry() {
   FtpDirectoryListingEntry entry = entries_.front();
   entries_.pop();
   return entry;
 }
 
 }  // namespace net