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Improve screen spy efficiency with DXGI

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This commit is contained in:
yuanyuanxiang
2025-03-13 23:34:33 +08:00
parent 0d6d171909
commit 7bcf11ce0a
44 changed files with 752 additions and 232 deletions
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26
server/2015Remote/IOCPServer.cpp
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@@ -6,7 +6,7 @@
#include <ws2tcpip.h>
#if USING_ZLIB
#include "zlib.h"
#include "zlib/zlib.h"
#define Z_FAILED(p) (Z_OK != (p))
#define Z_SUCCESS(p) (!Z_FAILED(p))
#else
@@ -359,7 +359,6 @@ DWORD IOCPServer::WorkThreadProc(LPVOID lParam)
timeBeginPeriod(1);
while (This->m_bTimeToKill==FALSE)
{
AUTO_TICK(40);
InterlockedDecrement(&This->m_ulBusyThread);
// GetQueuedCompletionStatus<75><73>ʱ<EFBFBD>Ƚϳ<C8BD><CFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¿ͻ<C2BF><CDBB>˷<EFBFBD><CBB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߲<EFBFBD><DFB2><EFBFBD>
BOOL bOk = GetQueuedCompletionStatus(
@@ -367,7 +366,6 @@ DWORD IOCPServer::WorkThreadProc(LPVOID lParam)
&dwTrans,
(PULONG_PTR)&ContextObject,
&Overlapped, INFINITE);
STOP_TICK;
DWORD dwIOError = GetLastError();
OverlappedPlus = CONTAINING_RECORD(Overlapped, OVERLAPPEDPLUS, m_ol);
ulBusyThread = InterlockedIncrement(&This->m_ulBusyThread); //1 1
@@ -500,20 +498,23 @@ BOOL IOCPServer::OnClientReceiving(PCONTEXT_OBJECT ContextObject, DWORD dwTrans
{
char szPacketFlag[FLAG_LENGTH + 3]= {0}; // 8<>ֽڶ<D6BD><DAB6><EFBFBD>
ContextObject->InCompressedBuffer.CopyBuffer(szPacketFlag, FLAG_LENGTH, 0);
if (memcmp(m_szPacketFlag, szPacketFlag, FLAG_LENGTH) != 0)
throw "Bad Buffer";
if (memcmp(m_szPacketFlag, szPacketFlag, FLAG_LENGTH) != 0) {
ContextObject->InCompressedBuffer.ClearBuffer();
break;
}
//Shine[50][kdjfkdjfkj]
ULONG ulPackTotalLength = 0;
ContextObject->InCompressedBuffer.CopyBuffer(&ulPackTotalLength, sizeof(ULONG), FLAG_LENGTH);
//ȡ<><C8A1><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD>ܳ<EFBFBD>
//50
if (ulPackTotalLength && (ContextObject->InCompressedBuffer.GetBufferLength()) >= ulPackTotalLength)
//ȡ<><C8A1><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD>ܳ<EFBFBD><EFBFBD><EFBFBD>5<EFBFBD>ֽڱ<EFBFBD>ʶ+4<>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0>ܳ<EFBFBD><DCB3><EFBFBD>+4<>ֽ<EFBFBD>ԭʼ<D4AD><CABC><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
int bufLen = ContextObject->InCompressedBuffer.GetBufferLength();
if (ulPackTotalLength && bufLen >= ulPackTotalLength)
{
ULONG ulOriginalLength = 0;
ContextObject->InCompressedBuffer.ReadBuffer((PBYTE)szPacketFlag, FLAG_LENGTH);
ContextObject->InCompressedBuffer.ReadBuffer((PBYTE) &ulPackTotalLength, sizeof(ULONG));
ContextObject->InCompressedBuffer.ReadBuffer((PBYTE) &ulOriginalLength, sizeof(ULONG));
// TRACE("ulPackTotalLength: %d, ulOriginalLength: %d\n", ulPackTotalLength, ulOriginalLength);
ULONG ulCompressedLength = ulPackTotalLength - HDR_LENGTH; //461 - 13 448
PBYTE CompressedBuffer = new BYTE[ulCompressedLength]; //û<>н<EFBFBD>ѹ
//<2F><><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD>ǰ<EFBFBD><C7B0>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>û<EFBFBD>н<EFBFBD>ѹ<EFBFBD><D1B9>ȡ<EFBFBD><C8A1>pData 448
@@ -528,7 +529,7 @@ BOOL IOCPServer::OnClientReceiving(PCONTEXT_OBJECT ContextObject, DWORD dwTrans
if (Z_SUCCESS(iRet))
{
ContextObject->InDeCompressedBuffer.ClearBuffer();
ContextObject->InCompressedBuffer.ClearBuffer();
//ContextObject->InCompressedBuffer.ClearBuffer();
ContextObject->InDeCompressedBuffer.WriteBuffer(DeCompressedBuffer, ulOriginalLength);
m_NotifyProc(ContextObject); //֪ͨ<CDA8><D6AA><EFBFBD><EFBFBD>
}else{
@@ -547,15 +548,14 @@ BOOL IOCPServer::OnClientReceiving(PCONTEXT_OBJECT ContextObject, DWORD dwTrans
break;
}
}
PostRecv(ContextObject); //Ͷ<><CDB6><EFBFBD>µĽ<C2B5><C4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD>
}catch(...)
{
OutputDebugStringA("[ERROR] OnClientReceiving catch an error \n");
ContextObject->InCompressedBuffer.ClearBuffer();
ContextObject->InDeCompressedBuffer.ClearBuffer();
PostRecv(ContextObject);
}
PostRecv(ContextObject); //Ͷ<><CDB6><EFBFBD>µĽ<C2B5><C4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD>
return TRUE;
}
@@ -563,7 +563,7 @@ VOID IOCPServer::OnClientPreSending(CONTEXT_OBJECT* ContextObject, PBYTE szBuffe
{
assert (ContextObject);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD>
if (ulOriginalLength < 100) {
if (ulOriginalLength < 100 && szBuffer[0] != COMMAND_SCREEN_CONTROL) {
char buf[100] = { 0 };
if (ulOriginalLength == 1){
sprintf_s(buf, "command %d", int(szBuffer[0]));