static
RVOID
processNewProcesses
(
rpcm_tag notifType,
rSequence event
)
{
ProcExtInfo* ctx = NULL;
RPNCHAR path = NULL;
RPU8 atomId = NULL;
UNREFERENCED_PARAMETER( notifType );
if( rSequence_getSTRINGN( event, RP_TAGS_FILE_PATH, &path ) &&
HbsGetThisAtom( event, &atomId ) )
{
path = rpal_string_strdup( path );
if( NULL != path &&
rMutex_lock( g_mutex ) )
{
if( NULL != ctx ||
NULL != ( ctx = getProcContext( atomId ) ) )
{
rpal_memory_free( ctx->processPath );
ctx->processPath = path;
path = NULL;
}
else
{
rpal_debug_error( "error getting process context" );
}
rMutex_unlock( g_mutex );
}
rpal_memory_free( path );
}
}
RPRIVATE_TESTABLE
RBOOL
upgradeHcp
(
rSequence seq
)
{
RBOOL isSuccess = FALSE;
RPU8 tmpBuff = NULL;
RU32 tmpSize = 0;
RPU8 tmpSig = NULL;
RU32 tmpSigSize = 0;
RPNCHAR currentModulePath = NULL;
RPNCHAR backupPath = NULL;
if( NULL != seq )
{
if( 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 ) )
{
if( NULL != ( currentModulePath = processLib_getCurrentModulePath() ) )
{
if( NULL != ( backupPath = rpal_string_strdup( currentModulePath ) ) &&
NULL != ( backupPath = rpal_string_strcatEx( backupPath, _NC( ".old" ) ) ) )
{
rpal_file_delete( backupPath, FALSE );
if( rpal_file_move( currentModulePath, backupPath ) )
{
if( rpal_file_write( currentModulePath, tmpBuff, tmpSize, TRUE ) )
{
rpal_debug_info( "hcp was successfully updated" );
isSuccess = TRUE;
}
else
{
rpal_debug_warning( "failed to write new hcp to disk" );
if( !rpal_file_move( backupPath, currentModulePath ) )
{
rpal_debug_warning( "old hcp was reverted" );
}
else
{
rpal_debug_error( "could not revert old hcp" );
}
}
}
else
{
rpal_debug_warning( "failed to move hcp to backup location" );
}
rpal_memory_free( backupPath );
}
rpal_memory_free( currentModulePath );
}
else
{
rpal_debug_error( "failed to get current module path" );
}
}
else
{
rpal_debug_warning( "New HCP binary signature is invalid." );
}
}
else
{
rpal_debug_warning( "Upgrade command missing or invalid component." );
}
}
return isSuccess;
}
RPRIVATE
RVOID
dnsUmDiffThread
(
rEvent isTimeToStop
)
{
rSequence notif = NULL;
rBlob snapCur = NULL;
rBlob snapPrev = NULL;
_dnsRecord rec = { 0 };
_dnsRecord* pCurRec = NULL;
RU32 i = 0;
LibOsPerformanceProfile perfProfile = { 0 };
#ifdef RPAL_PLATFORM_WINDOWS
PDNSCACHEENTRY pDnsEntry = NULL;
PDNSCACHEENTRY pPrevDnsEntry = NULL;
#endif
perfProfile.enforceOnceIn = 1;
perfProfile.sanityCeiling = MSEC_FROM_SEC( 10 );
perfProfile.lastTimeoutValue = 100;
perfProfile.targetCpuPerformance = 0;
perfProfile.globalTargetCpuPerformance = GLOBAL_CPU_USAGE_TARGET;
perfProfile.timeoutIncrementPerSec = 1;
while( !rEvent_wait( isTimeToStop, 0 ) )
{
if( kAcq_isAvailable() )
{
// If kernel acquisition becomes available, try kernel again.
return;
}
libOs_timeoutWithProfile( &perfProfile, FALSE, isTimeToStop );
if( NULL != ( snapCur = rpal_blob_create( 0, 10 * sizeof( rec ) ) ) )
{
#ifdef RPAL_PLATFORM_WINDOWS
if( TRUE == getCache( &pDnsEntry ) )
{
while( NULL != pDnsEntry )
{
rec.flags = pDnsEntry->dwFlags;
rec.type = pDnsEntry->wType;
if( NULL != ( rec.name = rpal_string_strdup( pDnsEntry->pszName ) ) )
{
rpal_blob_add( snapCur, &rec, sizeof( rec ) );
}
pPrevDnsEntry = pDnsEntry;
pDnsEntry = pDnsEntry->pNext;
freeCacheEntry( pPrevDnsEntry->pszName, DnsFreeFlat );
freeCacheEntry( pPrevDnsEntry, DnsFreeFlat );
}
rpal_sort_array( rpal_blob_getBuffer( snapCur ),
rpal_blob_getSize( snapCur ) / sizeof( rec ),
sizeof( rec ),
_cmpDns );
}
#elif defined( RPAL_PLATFORM_MACOSX )
rpal_thread_sleep( MSEC_FROM_SEC( 2 ) );
#endif
// Do a general diff of the snapshots to find new entries.
if( NULL != snapPrev )
{
i = 0;
while( !rEvent_wait( isTimeToStop, 0 ) &&
NULL != ( pCurRec = rpal_blob_arrElem( snapCur, sizeof( rec ), i++ ) ) )
{
if( -1 == rpal_binsearch_array( rpal_blob_getBuffer( snapPrev ),
rpal_blob_getSize( snapPrev ) / sizeof( rec ),
sizeof( rec ),
pCurRec,
(rpal_ordering_func)_cmpDns ) )
{
if( NULL != ( notif = rSequence_new() ) )
{
rSequence_addSTRINGN( notif, RP_TAGS_DOMAIN_NAME, pCurRec->name );
rSequence_addRU16( notif, RP_TAGS_DNS_TYPE, pCurRec->type );
rSequence_addRU32( notif, RP_TAGS_DNS_FLAGS, pCurRec->flags );
hbs_timestampEvent( notif, 0 );
hbs_publish( RP_TAGS_NOTIFICATION_DNS_REQUEST, notif );
rSequence_free( notif );
}
}
}
}
}
if( NULL != snapPrev )
{
_freeRecords( snapPrev );
rpal_blob_free( snapPrev );
snapPrev = NULL;
}
snapPrev = snapCur;
snapCur = NULL;
libOs_timeoutWithProfile( &perfProfile, TRUE, isTimeToStop );
}
if( NULL != snapPrev )
{
_freeRecords( snapPrev );
rpal_blob_free( snapPrev );
snapPrev = NULL;
}
}