//=============================================================================
// Helpers
//=============================================================================
static
RPU8
findAndCapEncodedDataInBeacon
(
RPU8 beaconData,
RU32 maxSize
)
{
RPU8 pData = NULL;
RPU8 end = NULL;
OBFUSCATIONLIB_DECLARE( header, RP_HCP_CONFIG_DATA_HEADER );
OBFUSCATIONLIB_DECLARE( footer, RP_HCP_CONFIG_DATA_FOOTER );
if( NULL != beaconData )
{
OBFUSCATIONLIB_TOGGLE( header );
OBFUSCATIONLIB_TOGGLE( footer );
if( ( sizeof( header ) + sizeof( footer ) + 1 ) < maxSize )
{
pData = rpal_memory_memmem( beaconData, maxSize, (RPCHAR)header, sizeof(header) - sizeof(RCHAR) );
if( NULL != pData )
{
pData += sizeof( header ) - sizeof( RCHAR );
end = rpal_memory_memmem( pData, maxSize - (RU32)( pData - beaconData - sizeof( header ) - sizeof( RCHAR ) ), footer, sizeof(footer) - sizeof(RCHAR) );
if( NULL != end )
{
if( maxSize > (RU32)( end - beaconData ) )
{
*end = 0;
}
else
{
pData = NULL;
}
}
else
{
pData = NULL;
}
}
}
OBFUSCATIONLIB_TOGGLE( header );
OBFUSCATIONLIB_TOGGLE( footer );
}
return pData;
}
static
RBOOL
getStoreConf
(
)
{
RBOOL isSuccess = FALSE;
RPU8 storeFile = NULL;
RU32 storeFileSize = 0;
rpHCPIdentStore* storeV2 = NULL;
OBFUSCATIONLIB_DECLARE( store, RP_HCP_CONFIG_IDENT_STORE );
OBFUSCATIONLIB_TOGGLE( store );
if( rpal_file_read( (RPNCHAR)store, (RPVOID)&storeFile, &storeFileSize, FALSE ) )
{
if( sizeof( rpHCPIdentStore ) <= storeFileSize )
{
storeV2 = (rpHCPIdentStore*)storeFile;
if( storeV2->enrollmentTokenSize == storeFileSize - sizeof( rpHCPIdentStore ) )
{
isSuccess = TRUE;
rpal_debug_info( "ident store found" );
if( NULL != ( g_hcpContext.enrollmentToken = rpal_memory_alloc( storeV2->enrollmentTokenSize ) ) )
{
rpal_memory_memcpy( g_hcpContext.enrollmentToken, storeV2->enrollmentToken, storeV2->enrollmentTokenSize );
g_hcpContext.enrollmentTokenSize = storeV2->enrollmentTokenSize;
}
g_hcpContext.currentId = storeV2->agentId;
}
else
{
rpal_debug_warning( "inconsistent ident store, reseting" );
rpal_file_delete( (RPNCHAR)store, FALSE );
}
}
rpal_memory_free( storeFile );
}
OBFUSCATIONLIB_TOGGLE( store );
// Set some always-correct defaults
g_hcpContext.currentId.id.platformId = RP_HCP_ID_MAKE_PLATFORM( RP_HCP_PLATFORM_CURRENT_CPU, RP_HCP_PLATFORM_CURRENT_MAJOR, RP_HCP_PLATFORM_CURRENT_MINOR );
return isSuccess;
}
static
BOOL
ctrlHandler
(
DWORD type
)
{
OBFUSCATIONLIB_DECLARE( store, RP_HCP_CONFIG_CRASH_STORE );
UNREFERENCED_PARAMETER( type );
if( CTRL_SHUTDOWN_EVENT == type )
{
// This is an emergency shutdown.
// Trying to do this cleanly is pointless since Windows
// will kill us very shortly, so let's just clean up
// the CC so we don't report a pointless "crash".
OBFUSCATIONLIB_TOGGLE( store );
rpal_file_delete( (RPWCHAR)store, FALSE );
OBFUSCATIONLIB_TOGGLE( store );
}
// Pass the signal along
return FALSE;
}
RBOOL
processMessage
(
rSequence seq
)
{
RBOOL isSuccess = FALSE;
RU8 command = 0;
rSequence idSeq = NULL;
rpHCPId tmpId = { 0 };
rpHCPId emptyId = { 0 };
RU64 tmpTime = 0;
rThread hQuitThread = 0;
rpHCPIdentStore identStore = {0};
RPU8 token = NULL;
RU32 tokenSize = 0;
OBFUSCATIONLIB_DECLARE( store, RP_HCP_CONFIG_IDENT_STORE );
if( NULL != seq )
{
if( rSequence_getRU8( seq, RP_TAGS_OPERATION, &command ) )
{
rpal_debug_info( "Received command 0x%0X.", command );
switch( command )
{
case RP_HCP_COMMAND_LOAD_MODULE:
isSuccess = loadModule( &g_hcpContext, seq );
break;
case RP_HCP_COMMAND_UNLOAD_MODULE:
isSuccess = unloadModule( &g_hcpContext, seq );
break;
case RP_HCP_COMMAND_SET_HCP_ID:
if( rSequence_getSEQUENCE( seq, RP_TAGS_HCP_IDENT, &idSeq ) )
{
tmpId = seqToHcpId( idSeq );
if( 0 != rpal_memory_memcmp( &emptyId, &tmpId, sizeof( emptyId ) ) )
{
g_hcpContext.currentId = tmpId;
OBFUSCATIONLIB_TOGGLE( store );
if( rSequence_getBUFFER( seq, RP_TAGS_HCP_ENROLLMENT_TOKEN, &token, &tokenSize ) )
{
identStore.agentId = tmpId;
if( saveHcpId( (RPNCHAR)store, &identStore, token, tokenSize ) )
{
isSuccess = TRUE;
}
if( NULL != g_hcpContext.enrollmentToken )
{
rpal_memory_free( g_hcpContext.enrollmentToken );
g_hcpContext.enrollmentToken = NULL;
}
if( NULL != ( g_hcpContext.enrollmentToken = rpal_memory_alloc( tokenSize ) ) )
{
rpal_memory_memcpy( g_hcpContext.enrollmentToken, token, tokenSize );
g_hcpContext.enrollmentTokenSize = tokenSize;
isSuccess = TRUE;
}
}
else
{
rpal_debug_warning( "hcp id is missing token" );
}
OBFUSCATIONLIB_TOGGLE( store );
}
}
break;
case RP_HCP_COMMAND_SET_GLOBAL_TIME:
if( rSequence_getTIMESTAMP( seq, RP_TAGS_TIMESTAMP, &tmpTime ) )
{
rpal_time_setGlobalOffset( tmpTime - rpal_time_getLocal() );
isSuccess = TRUE;
}
break;
case RP_HCP_COMMAND_QUIT:
if( 0 != ( hQuitThread = rpal_thread_new( thread_quitAndCleanup, NULL ) ) )
{
rpal_thread_free( hQuitThread );
isSuccess = TRUE;
}
break;
case RP_HCP_COMMAND_UPGRADE:
isSuccess = upgradeHcp( seq );
break;
default:
break;
}
if( isSuccess )
{
rpal_debug_info( "Command was successful." );
}
else
{
rpal_debug_warning( "Command was not successful." );
}
}
}
return isSuccess;
}
RPRIVATE_TESTABLE
RBOOL
loadModule
(
rpHCPContext* hcpContext,
rSequence seq
)
{
RBOOL isSuccess = FALSE;
RU32 moduleIndex = (RU32)(-1);
RPU8 tmpBuff = NULL;
RU32 tmpSize = 0;
RPU8 tmpSig = NULL;
RU32 tmpSigSize = 0;
rpal_thread_func pEntry = NULL;
rpHCPModuleContext* modContext = NULL;
OBFUSCATIONLIB_DECLARE( entryName, RP_HCP_CONFIG_MODULE_ENTRY );
OBFUSCATIONLIB_DECLARE( recvMessage, RP_HCP_CONFIG_MODULE_RECV_MESSAGE );
if( NULL != seq &&
NULL != hcpContext )
{
for( moduleIndex = 0; moduleIndex < RP_HCP_CONTEXT_MAX_MODULES; moduleIndex++ )
{
if( 0 == hcpContext->modules[ moduleIndex ].hThread )
{
// Found an empty spot
break;
}
}
}
if( RP_HCP_CONTEXT_MAX_MODULES != moduleIndex &&
(RU32)(-1) != moduleIndex )
{
// We got an empty spot for our module
if( rSequence_getRU8( seq,
RP_TAGS_HCP_MODULE_ID,
&(hcpContext->modules[ moduleIndex ].id ) ) &&
rSequence_getBUFFER( seq,
RP_TAGS_BINARY,
&tmpBuff,
&tmpSize ) &&
rSequence_getBUFFER( seq,
RP_TAGS_SIGNATURE,
&tmpSig,
&tmpSigSize ) &&
CRYPTOLIB_SIGNATURE_SIZE == tmpSigSize )
{
// We got the data, now verify the buffer signature
if( CryptoLib_verify( tmpBuff, tmpSize, getRootPublicKey(), tmpSig ) )
{
// Ready to load the module
rpal_debug_info( "loading module in memory" );
hcpContext->modules[ moduleIndex ].hModule = MemoryLoadLibrary( tmpBuff, tmpSize );
if( NULL != hcpContext->modules[ moduleIndex ].hModule )
{
OBFUSCATIONLIB_TOGGLE( entryName );
pEntry = (rpal_thread_func)MemoryGetProcAddress( hcpContext->modules[ moduleIndex ].hModule,
(RPCHAR)entryName );
OBFUSCATIONLIB_TOGGLE( entryName );
if( NULL != pEntry )
{
modContext = &(hcpContext->modules[ moduleIndex ].context);
modContext->pCurrentId = &( hcpContext->currentId );
modContext->func_sendHome = doSend;
modContext->isTimeToStop = rEvent_create( TRUE );
modContext->rpalContext = rpal_Context_get();
modContext->isOnlineEvent = hcpContext->isCloudOnline;
if( NULL != modContext->isTimeToStop )
{
hcpContext->modules[ moduleIndex ].isTimeToStop = modContext->isTimeToStop;
OBFUSCATIONLIB_TOGGLE( recvMessage );
hcpContext->modules[ moduleIndex ].func_recvMessage =
(rpHCPModuleMsgEntry)MemoryGetProcAddress( hcpContext->modules[ moduleIndex ].hModule,
(RPCHAR)recvMessage );
OBFUSCATIONLIB_TOGGLE( recvMessage );
hcpContext->modules[ moduleIndex ].hThread = rpal_thread_new( pEntry, modContext );
if( 0 != hcpContext->modules[ moduleIndex ].hThread )
{
CryptoLib_hash( tmpBuff, tmpSize, &(hcpContext->modules[ moduleIndex ].hash ) );
hcpContext->modules[ moduleIndex ].isOsLoaded = FALSE;
isSuccess = TRUE;
}
else
{
rpal_debug_warning( "Error creating handler thread for new module." );
}
}
}
else
{
rpal_debug_warning( "Could not find new module's entry point." );
}
}
else
{
rpal_debug_warning( "Error loading module in memory." );
}
}
else
{
rpal_debug_warning( "New module signature invalid." );
}
}
else
{
rpal_debug_warning( "Could not find core module components to load." );
}
// Main cleanup
if( !isSuccess )
{
if( NULL != modContext )
{
IF_VALID_DO( modContext->isTimeToStop, rEvent_free );
}
if( NULL != hcpContext->modules[ moduleIndex ].hModule )
{
MemoryFreeLibrary( hcpContext->modules[ moduleIndex ].hModule );
}
rpal_memory_zero( &(hcpContext->modules[ moduleIndex ] ),
sizeof( hcpContext->modules[ moduleIndex ] ) );
}
}
else
{
rpal_debug_error( "Could not find a spot for new module, or invalid module id!" );
}
return isSuccess;
}
RBOOL
rpHostCommonPlatformLib_load
(
RPNCHAR modulePath,
RU32 moduleId
)
{
RBOOL isSuccess = FALSE;
RU32 moduleIndex = 0;
rpal_thread_func pEntry = NULL;
rpHCPModuleContext* modContext = NULL;
RPCHAR errorStr = NULL;
OBFUSCATIONLIB_DECLARE( entrypoint, RP_HCP_CONFIG_MODULE_ENTRY );
OBFUSCATIONLIB_DECLARE( recvMessage, RP_HCP_CONFIG_MODULE_RECV_MESSAGE );
if( NULL != modulePath )
{
for( moduleIndex = 0; moduleIndex < RP_HCP_CONTEXT_MAX_MODULES; moduleIndex++ )
{
if( 0 == g_hcpContext.modules[ moduleIndex ].hThread )
{
// Found an empty spot
#ifdef RPAL_PLATFORM_WINDOWS
g_hcpContext.modules[ moduleIndex ].hModule = LoadLibraryW( modulePath );
#elif defined( RPAL_PLATFORM_LINUX ) || defined( RPAL_PLATFORM_MACOSX )
g_hcpContext.modules[ moduleIndex ].hModule = dlopen( modulePath, RTLD_NOW | RTLD_LOCAL );
#endif
if( NULL != g_hcpContext.modules[ moduleIndex ].hModule )
{
OBFUSCATIONLIB_TOGGLE( entrypoint );
#ifdef RPAL_PLATFORM_WINDOWS
pEntry = (rpal_thread_func)GetProcAddress( (HMODULE)g_hcpContext.modules[ moduleIndex ].hModule,
(RPCHAR)entrypoint );
#elif defined( RPAL_PLATFORM_LINUX ) || defined( RPAL_PLATFORM_MACOSX )
pEntry = (rpal_thread_func)dlsym( g_hcpContext.modules[ moduleIndex ].hModule, (RPCHAR)entrypoint );
#endif
OBFUSCATIONLIB_TOGGLE( entrypoint );
if( NULL != pEntry )
{
modContext = &(g_hcpContext.modules[ moduleIndex ].context);
modContext->pCurrentId = &(g_hcpContext.currentId);
modContext->func_sendHome = doSend;
modContext->isTimeToStop = rEvent_create( TRUE );
modContext->rpalContext = rpal_Context_get();
modContext->isOnlineEvent = g_hcpContext.isCloudOnline;
if( NULL != modContext->isTimeToStop )
{
g_hcpContext.modules[ moduleIndex ].id = (RpHcp_ModuleId)moduleId;
g_hcpContext.modules[ moduleIndex ].isTimeToStop = modContext->isTimeToStop;
OBFUSCATIONLIB_TOGGLE( recvMessage );
#ifdef RPAL_PLATFORM_WINDOWS
g_hcpContext.modules[ moduleIndex ].func_recvMessage =
(rpHCPModuleMsgEntry)GetProcAddress( (HMODULE)g_hcpContext.modules[ moduleIndex ].hModule,
(RPCHAR)recvMessage );
#elif defined( RPAL_PLATFORM_LINUX ) || defined( RPAL_PLATFORM_MACOSX )
g_hcpContext.modules[ moduleIndex ].func_recvMessage =
(rpHCPModuleMsgEntry)dlsym( g_hcpContext.modules[ moduleIndex ].hModule, (RPCHAR)recvMessage );
#endif
OBFUSCATIONLIB_TOGGLE( recvMessage );
g_hcpContext.modules[ moduleIndex ].hThread = rpal_thread_new( pEntry, modContext );
if( 0 != g_hcpContext.modules[ moduleIndex ].hThread )
{
g_hcpContext.modules[ moduleIndex ].isOsLoaded = TRUE;
isSuccess = TRUE;
rpal_debug_info( "module %S successfully loaded manually.", modulePath );
}
}
}
else
{
#ifdef RPAL_PLATFORM_WINDOWS
FreeLibrary( (HMODULE)g_hcpContext.modules[ moduleIndex ].hModule );
#elif defined( RPAL_PLATFORM_LINUX ) || defined( RPAL_PLATFORM_MACOSX )
dlclose( g_hcpContext.modules[ moduleIndex ].hModule );
#endif
g_hcpContext.modules[ moduleIndex ].hModule = NULL;
rpal_debug_error( "Could not manually finding the entry point to a module!" );
}
}
else
{
#if defined( RPAL_PLATFORM_LINUX ) || defined( RPAL_PLATFORM_MACOSX )
errorStr = dlerror();
#endif
rpal_debug_error( "Could not manually load module %S: %X %s",
modulePath,
rpal_error_getLast(),
errorStr );
}
break;
}
}
}
//forceCrash();
return isSuccess;
}
RBOOL
doBeacon
(
RpHcp_ModuleId sourceModuleId,
rList toSend,
rList* pReceived
)
{
RBOOL isSuccess = FALSE;
RPU8 receivedData = NULL;
RU32 receivedSize = 0;
RPU8 encodedData = NULL;
RPU8 rawPayloadBuff = NULL;
RU32 rawPayloadSize = 0;
RU32 zError = 0;
RPU8 signature = NULL;
RPU8 payloadBuff = NULL;
RU32 payloadSize = 0;
RU8 sessionKey[ CRYPTOLIB_SYM_KEY_SIZE ] = {0};
RU8 sessionIv[ CRYPTOLIB_SYM_IV_SIZE ] = {0};
rString payloadToSend = NULL;
RU32 decryptedSize = 0;
RPU8 tmpBuff = NULL;
RU64 tmpSize = 0;
OBFUSCATIONLIB_DECLARE( url1, RP_HCP_CONFIG_HOME_URL_PRIMARY );
OBFUSCATIONLIB_DECLARE( url2, RP_HCP_CONFIG_HOME_URL_SECONDARY );
RPCHAR effectivePrimary = (RPCHAR)url1;
RPCHAR effectiveSecondary = (RPCHAR)url2;
rpal_debug_info( "called by module %d.", sourceModuleId );
// Pre-generate the session key and iv we want for the session
CryptoLib_genRandomBytes( sessionKey, sizeof( sessionKey ) );
CryptoLib_genRandomBytes( sessionIv, sizeof( sessionIv ) );
// Assemble the stream to send
payloadToSend = assembleOutboundStream( sourceModuleId, toSend, sessionKey, sessionIv );
if( NULL != payloadToSend )
{
// Send the beacon
if( NULL == g_hcpContext.primaryUrl )
{
OBFUSCATIONLIB_TOGGLE( url1 );
OBFUSCATIONLIB_TOGGLE( url2 );
}
else
{
effectivePrimary = g_hcpContext.primaryUrl;
effectiveSecondary = g_hcpContext.secondaryUrl;
}
if( postHttp( effectivePrimary,
rpal_stringbuffer_getString( payloadToSend ),
FALSE,
(RPVOID*)&receivedData,
&receivedSize ) )
{
isSuccess = TRUE;
}
else if( postHttp( effectiveSecondary,
rpal_stringbuffer_getString( payloadToSend ),
FALSE,
(RPVOID*)&receivedData,
&receivedSize ) )
{
isSuccess = TRUE;
rpal_debug_info( "beacon using secondary home." );
}
else
{
rpal_debug_warning( "could not contact server." );
}
if( NULL == g_hcpContext.primaryUrl )
{
OBFUSCATIONLIB_TOGGLE( url1 );
OBFUSCATIONLIB_TOGGLE( url2 );
}
if( isSuccess )
{
isSuccess = FALSE;
if( NULL != receivedData &&
0 != receivedSize )
{
if( NULL != pReceived )
{
*pReceived = NULL;
// Process the data received
encodedData = findAndCapEncodedDataInBeacon( receivedData, receivedSize );
if( NULL != encodedData )
{
if( stripBeaconEncoding( (RPCHAR)encodedData, &rawPayloadBuff, &rawPayloadSize ) )
{
if( rawPayloadSize >= CRYPTOLIB_SIGNATURE_SIZE )
{
// Verify signature
signature = rawPayloadBuff;
payloadBuff = signature + CRYPTOLIB_SIGNATURE_SIZE;
payloadSize = rawPayloadSize - CRYPTOLIB_SIGNATURE_SIZE;
if( verifyC2Signature( payloadBuff, payloadSize, signature ) )
{
// Remove the symetric crypto using the session key
if( CryptoLib_symDecrypt( payloadBuff, payloadSize, sessionKey, sessionIv, &decryptedSize ) )
{
// Remove the compression
tmpSize = rpal_ntoh32( *(RU32*)payloadBuff );
if( 0 != tmpSize &&
(-1) != tmpSize )
{
tmpBuff = rpal_memory_alloc( (RSIZET)tmpSize );
if( rpal_memory_isValid( tmpBuff ) )
{
if( Z_OK == ( zError = uncompress( tmpBuff,
(uLongf*)&tmpSize,
payloadBuff + sizeof( RU32 ),
payloadSize - sizeof( RU32 ) ) ) )
{
// Payload is valid, turn it into a sequence to return
if( rList_deserialise( pReceived, tmpBuff, (RU32)tmpSize, NULL ) )
{
rpal_debug_info( "success." );
isSuccess = TRUE;
}
else
{
rpal_debug_error( "could not deserialise list." );
}
}
else
{
rpal_debug_error( "could not decompress received data: %d (%d bytes).", zError, payloadSize );
}
rpal_memory_free( tmpBuff );
}
else
{
rpal_debug_error( "could not allocate memory for data received, asking for: %d.", tmpSize );
}
}
else
{
rpal_debug_error( "invalid size field in decrypted data." );
}
}
else
{
rpal_debug_error( "failed to decrypt received data." );
}
}
else
{
rpal_debug_error( "signature verification failed." );
}
}
else
{
rpal_debug_error( "stripped payload failed sanity check." );
}
rpal_memory_free( rawPayloadBuff );
}
else
{
rpal_debug_error( "could not strip BASE64 encoding." );
}
}
else
{
rpal_debug_error( "could not find the encoded data." );
}
}
else
{
rpal_debug_info( "not interested in the returned data." );
isSuccess = TRUE;
}
FREE_AND_NULL( receivedData );
receivedSize = 0;
}
else
{
rpal_debug_warning( "no data received from the server." );
isSuccess = FALSE;
}
}
rpal_stringbuffer_free( payloadToSend );
}
else
{
rpal_debug_error( "failed to generate payload for beacon." );
}
return isSuccess;
}
static
rString
assembleOutboundStream
(
RpHcp_ModuleId moduleId,
rList payload,
RU8 sessionKey[ CRYPTOLIB_SYM_KEY_SIZE ],
RU8 sessionIv[ CRYPTOLIB_SYM_IV_SIZE ]
)
{
rString str = NULL;
rSequence hdrSeq = NULL;
rSequence hcpid = NULL;
rBlob blob = NULL;
RPCHAR encoded = NULL;
RPU8 encBuffer = NULL;
RU64 encSize = 0;
RPU8 finalBuffer = NULL;
RU32 finalSize = 0;
RPCHAR hostName = NULL;
RBOOL isSuccess = FALSE;
OBFUSCATIONLIB_DECLARE( payHdr, RP_HCP_CONFIG_PAYLOAD_HDR );
str = rpal_stringbuffer_new( 0, 0, FALSE );
if( NULL != str )
{
if( NULL != ( hdrSeq = rSequence_new() ) )
{
if( NULL != ( hcpid = hcpIdToSeq( g_hcpContext.currentId ) ) )
{
// System basic information
// Host Name
if( NULL != ( hostName = libOs_getHostName() ) )
{
rSequence_addSTRINGA( hdrSeq, RP_TAGS_HOST_NAME, hostName );
rpal_memory_free( hostName );
}
else
{
rpal_debug_warning( "could not determine hostname" );
}
// Internal IP
rSequence_addIPV4( hdrSeq, RP_TAGS_IP_ADDRESS, libOs_getMainIp() );
if( rSequence_addSEQUENCE( hdrSeq, RP_TAGS_HCP_ID, hcpid ) &&
rSequence_addRU8( hdrSeq, RP_TAGS_HCP_MODULE_ID, moduleId ) &&
rSequence_addBUFFER( hdrSeq, RP_TAGS_SYM_KEY, sessionKey, CRYPTOLIB_SYM_KEY_SIZE ) &&
rSequence_addBUFFER( hdrSeq, RP_TAGS_SYM_IV, sessionIv, CRYPTOLIB_SYM_IV_SIZE ) )
{
if( NULL != g_hcpContext.enrollmentToken &&
0 != g_hcpContext.enrollmentTokenSize )
{
rSequence_addBUFFER( hdrSeq, RP_TAGS_HCP_ENROLLMENT_TOKEN, g_hcpContext.enrollmentToken, g_hcpContext.enrollmentTokenSize );
}
if( NULL != payload )
{
blob = rpal_blob_create( 0, 0 );
}
if( NULL == payload ||
NULL != blob )
{
if( rSequence_serialise( hdrSeq, blob ) &&
( NULL == payload ||
rList_serialise( payload, blob ) ) )
{
encSize = compressBound( rpal_blob_getSize( blob ) );
encBuffer = rpal_memory_alloc( (RU32)encSize );
if( NULL == payload ||
NULL != encBuffer )
{
if( NULL == payload ||
Z_OK == compress( encBuffer, (uLongf*)&encSize, (RPU8)rpal_blob_getBuffer( blob ), rpal_blob_getSize( blob ) ) )
{
FREE_N_NULL( blob, rpal_blob_free );
if( NULL == payload ||
CryptoLib_fastAsymEncrypt( encBuffer, (RU32)encSize, getC2PublicKey(), &finalBuffer, &finalSize ) )
{
FREE_N_NULL( encBuffer, rpal_memory_free );
if( NULL == payload ||
base64_encode( finalBuffer, finalSize, &encoded, TRUE ) )
{
isSuccess = TRUE;
if( NULL != payload )
{
FREE_N_NULL( finalBuffer, rpal_memory_free );
DO_IFF( rpal_stringbuffer_add( str, "&" ), isSuccess );
OBFUSCATIONLIB_TOGGLE( payHdr );
DO_IFF( rpal_stringbuffer_add( str, (RPCHAR)payHdr ), isSuccess );
DO_IFF( rpal_stringbuffer_add( str, encoded ), isSuccess );
OBFUSCATIONLIB_TOGGLE( payHdr );
}
IF_VALID_DO( encoded, rpal_memory_free );
}
IF_VALID_DO( finalBuffer, rpal_memory_free );
}
}
IF_VALID_DO( encBuffer, rpal_memory_free );
}
}
IF_VALID_DO( blob, rpal_blob_free );
}
}
}
rSequence_free( hdrSeq );
}
if( !isSuccess )
{
rpal_stringbuffer_free( str );
str = NULL;
}
}
return str;
}
