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| 创建SvcHost.exe 调用的服务原理与实践(5) |
| 作者：郁郁小蝎 来源：中国站长学院 发布时间：2006-5-19 14:21:58 发布人：chinazhan |
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8. 代码
// SvcHostDLL.cpp : Demo for a service dll used by svchost.exe to host it.
//
// for detail comment see articles.
// by bingle_at_email.com.cn
//www.BingleSite.net
//
/* save following as a .def file to export function, only ServiceMain is needed.
other used to install & uninstall service.
or use /EXPORT: link option to export them.
EXPORTS
ServiceMain
InstallService
UninstallService
RundllUninstallA
RundllInstallA
*/
/*
To compile & link:
cl /MD /GX /LD svchostdll.cpp /link advapi32.lib /DLL /base:0x71000000 /export:ServiceMain EXPORT:RundllUninstallA /EXPORT:RundllInstallA /EXPORT:InstallService /EXPORT:UninstallService
*/
//
//Articles:
// 1. HOWTO Create a service dll used by svchost.exe by bingle, at: http://www.BingleSite.net/article/svchost-dll-service.html
// 2. Inside Win32 Services, Part 2 by: Mark Russinovich, at: http://www.winnetmag.com/Articles/Index.cfm?ArticleID=8943&pg=3
// 3. Platform SDK: Tools - Rundll32, at: http://msdn.microsoft.com/library/en-us/tools/tools/rundll32.asp
#include <stdio.h>
#include <time.h>
#include <assert.h>
#include <windows.h>
#define DEFAULT_SERVICE "IPRIP"
#define MY_EXECUTE_NAME "SvcHostDLL.exe"
//main service process function
void __stdcall ServiceMain( int argc, wchar_t* argv[] );
//report service stat to the service control manager
int TellSCM( DWORD dwState, DWORD dwExitCode, DWORD dwProgress );
//service control handler, call back by service control manager
void __stdcall ServiceHandler( DWORD dwCommand );
//RealService just create a process
int RealService(char *cmd, int bInteract);
//Install this dll as a Service host by svchost.exe, service name is given by caller
int InstallService(char *name);
//unInstall a Service, be CARE FOR call this to delete a service
int UninstallService(char *name);
//Install this dll as a Service host by svchost.exe, used by RUNDLL32.EXE to call
void CALLBACK RundllInstallA(HWND hwnd, HINSTANCE hinst, char *param, int nCmdShow);
//unInstall a Service used by RUNDLL32.EXE to call, be CARE FOR call this to delete a service
void CALLBACK RundllUninstallA(HWND hwnd, HINSTANCE hinst, char *param, int nCmdShow);
//output the debug infor into log file(or stderr if a console program call me) & DbgPrint
void OutputString( char *lpFmt, ... );
//dll module handle used to get dll path in InstallService
HANDLE hDll = NULL;
//Service HANDLE & STATUS used to get service state
SERVICE_STATUS_HANDLE hSrv;
DWORD dwCurrState;
BOOL APIENTRY DllMain( HANDLE hModule,
DWORDul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
hDll = hModule;
#ifdef _DEBUG
AllocConsole();
OutputString("SvcHostDLL: DllMain called DLL_PROCESS_ATTACH");
break;
case DLL_THREAD_ATTACH:
OutputString("SvcHostDLL: DllMain called DLL_THREAD_ATTACH");
case DLL_THREAD_DETACH:
OutputString("SvcHostDLL: DllMain called DLL_THREAD_DETACH");
case DLL_PROCESS_DETACH:
TellSCM( SERVICE_STOP_PENDING, 0, 0 );
Sleep(1500);
TellSCM( SERVICE_STOPPED, 0, 0 );
OutputString("SvcHostDLL: DllMain called DLL_PROCESS_DETACH");
#endif
break;
}
return TRUE;
}
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