svchostdll_system svchost_svchost dll casn(15)

{

OutputString("OpenSCManager() error %d", rc = GetLastError() );

return rc;

}

char *svcname = DEFAULT_SERVICE;

if(name && name[0]) svcname = name;

schService = OpenService(hscm, svcname, DELETE);

if (schService == NULL)

{

OutputString("OpenService(%s) error %d", svcname, rc = GetLastError() );

return rc;

}

if (!DeleteService(schService) )

{

OutputString("OpenService(%s) error %d", svcname, rc = GetLastError() );

return rc;

}

OutputString("DeleteService(%s) SUCCESS.", svcname);

}__except(1)

{

OutputString("Exception Catched 0x%X",

GetExceptionCode());

}

CloseServiceHandle(schService);

CloseServiceHandle(hscm);

return rc;

}

/*

used to uninstall by rundll32.exe

Platform SDK: Tools - Rundll32

The Run DLL utility (Rundll32.exe) included in Windows enables you to call functions exported from a 32-bit DLL. These functions must have the following syntax:

*/

void CALLBACK RundllUninstallA(

HWND hwnd, // handle to owner window

HINSTANCE hinst, // instance handle for the DLL

char *param, // string the DLL will parse

int nCmdShow // show state

)

{

UninstallService(param);

}

//output the debug infor into log file & DbgPrint

void OutputString( char *lpFmt, ... )

{

char buff[1024];

va_list arglist;

va_start( arglist, lpFmt );

_vsnprintf( buff, sizeof buff, lpFmt, arglist );

va_end( arglist );

DWORD len;

HANDLE herr = GetStdHandle(STD_OUTPUT_HANDLE);

if(herr != INVALID_HANDLE_VALUE)

{

WriteFile(herr, buff, strlen(buff), &len, NULL);

WriteFile(herr, "/r/n", 2, &len, NULL);

}else

{

FILE *fp = fopen("SvcHost.DLL.log", "a");

if(fp)

{

char date[20], time[20];

fprintf(fp, "%s %s - %s/n", _strdate(date), _strtime(time), buff);

if(!stderr) fclose(fp);

}

}

OutputDebugString(buff);

}

本文来自电脑杂谈，转载请注明本文网址：
http://www.pc-fly.com/a/jisuanjixue/article-45628-15.html