void BundleAuthenticationBlock::verify(const dtn::data::Bundle& bundle, const dtn::security::SecurityKey &key, dtn::data::Number &correlator) throw (ibrcommon::Exception)
{
// get the blocks, with which the key should match
std::set<dtn::data::Number> correlators;
// calculate the MAC of this bundle
std::string our_hash_string = calcMAC(bundle, key);
dtn::data::Bundle::const_find_iterator it(bundle.begin(), BundleAuthenticationBlock::BLOCK_TYPE);
while (it.next(bundle.end()))
{
const BundleAuthenticationBlock &bab = dynamic_cast<const BundleAuthenticationBlock&>(**it);
// the bab contains a security result
if (bab._ciphersuite_flags & CONTAINS_SECURITY_RESULT)
{
// is this correlator known?
if (correlators.find(bab._correlator) == correlators.end()) continue;
std::string bab_result = bab._security_result.get(SecurityBlock::integrity_signature);
if (our_hash_string == bab_result)
{
// hash matched
correlator = bab._correlator;
return;
}
IBRCOMMON_LOGGER_DEBUG_TAG("BundleAuthenticationBlock", 15) << "security mac does not match" << IBRCOMMON_LOGGER_ENDL;
}
// bab contains no security result but a correlator
else if (bab._ciphersuite_flags & CONTAINS_CORRELATOR)
{
// currently we only support BAB_HMAC mechanism
if (bab._ciphersuite_id != SecurityBlock::BAB_HMAC) continue;
// skip this BAB if the security source do not match the key
if (!bab.isSecuritySource(bundle, key.reference)) continue;
// remember it for later check
correlators.insert(bab._correlator);
}
}
throw ibrcommon::Exception("verification failed");
}
void BundleAuthenticationBlock::auth(dtn::data::Bundle &bundle, const dtn::security::SecurityKey &key)
{
BundleAuthenticationBlock& bab_begin = bundle.push_front<BundleAuthenticationBlock>();
bab_begin.set(dtn::data::Block::DISCARD_IF_NOT_PROCESSED, true);
// set security source
if (!key.reference.sameHost(bundle.source)) bab_begin.setSecuritySource( key.reference );
dtn::data::Number correlator = createCorrelatorValue(bundle);
bab_begin.setCorrelator(correlator);
bab_begin.setCiphersuiteId(BAB_HMAC);
BundleAuthenticationBlock& bab_end = bundle.push_back<BundleAuthenticationBlock>();
bab_end.set(dtn::data::Block::DISCARD_IF_NOT_PROCESSED, true);
bab_end.setCorrelator(correlator);
bab_end._ciphersuite_flags |= CONTAINS_SECURITY_RESULT;
std::string sizehash_hash = calcMAC(bundle, key);
bab_end._security_result.set(SecurityBlock::integrity_signature, sizehash_hash);
}
void FPTWriter::flexSave( std::string filepath, ChunkChunkList * globalChunks )
{
DEBUG << "saving " + filepath;
ops::msole::FileWriter * writer = new ops::msole::FileWriter();
writer->open( filepath );
{
int32_t handler = writer->fileOpen( "Future Pinball/File Version" );
ChunkChunkList * chunks = (ChunkChunkList*)getChunkByLabel( globalChunks, CHUNK_FILE_VERSION.label );
ChunkRawData * chunkRawData = (ChunkRawData*)getChunkByLabel( chunks, CHUNK_FILE_VERSION_DATA.label );
writer->fileWrite( handler, &chunkRawData->value );
writer->fileClose( handler );
}
{
int32_t handler = writer->fileOpen( "Future Pinball/Table MAC" );
#ifdef _WIN32
ops::RawData dataMAC(16, true);
calcMAC(globalChunks, dataMAC.data, dataMAC.len);
writer->fileWrite( handler, &dataMAC );
#else
WARNING << "Can't rebuild table MAC"
ChunkChunkList * chunks = (ChunkChunkList*)getChunkByLabel( globalChunks, CHUNK_TABLE_MAC.label );
ChunkRawData * chunkRawData = (ChunkRawData*)getChunkByLabel( chunks, CHUNK_TABLE_MAC_DATA.label );
writer->fileWrite( handler, &chunkRawData->value );
#endif
writer->fileClose( handler );
}
{
int32_t handler = writer->fileOpen( "Future Pinball/Table Data" );
ChunkChunkList * chunks = (ChunkChunkList*)getChunkByLabel( globalChunks, CHUNK_TABLE_DATA.label );
saveChunk( writer, handler, chunks );
writer->fileClose( handler );
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_IMAGE.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/Image ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_SOUND.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/Sound ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_MUSIC.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/Music ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_DMDFONT.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/DmdFont ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_PINMODEL.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/PinModel ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_IMAGELIST.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/ImageList ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_LIGHTLIST.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/LightList ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
{
ChunkChunkList * chunksList = (ChunkChunkList*)getChunksByLabel( globalChunks, CHUNK_TABLE_ELEMENT.label );
for( uint32_t i = 0; i < chunksList->value.size(); i++ )
{
ChunkChunkList * currentChunk = (ChunkChunkList *)chunksList->value[i];
std::string name = "Future Pinball/Table Element ";
std::stringstream ss;
std::string number;
ss << ( i + 1 );
ss >> number;
int32_t handler = writer->fileOpen( name + number );
saveChunk( writer, handler, currentChunk );
writer->fileClose( handler );
}
}
writer->close();
DEBUG << filepath + " saved";
}
