1    :  // Copyright 2014 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  
  15    :  #include "syzygy/agent/asan/block_utils.h"
  16    :  
  17    :  namespace agent {
  18    :  namespace asan {
  19    :  
  20  E :  bool IsBlockCorrupt(const BlockInfo& block_info) {
  21  E :    if (block_info.header->magic != kBlockHeaderMagic)
  22  E :      return true;
  23  E :    if (!BlockChecksumIsValid(block_info))
  24  E :      return true;
  25  E :    if (block_info.header->state == QUARANTINED_FLOODED_BLOCK &&
  26    :        !BlockBodyIsFloodFilled(block_info)) {
  27  E :      return true;
  28    :    }
  29  E :    return false;
  30  E :  }
  31    :  
  32    :  }  // namespace asan
  33    :  }  // namespace agent