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[ADVAPI32] Implement I_ScQueryServiceTagInfo

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Pierre Schweitzer 2018-12-30 12:12:40 +01:00
parent 19304da5c3
commit e29a99245b
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GPG key ID: 7545556C3D585B0B
1 changed files with 89 additions and 1 deletions
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90
dll/win32/advapi32/service/scm.c
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@ -5,6 +5,7 @@
* PURPOSE: Service control manager functions
* PROGRAMMER: Emanuele Aliberti
* Eric Kohl
* Pierre Schweitzer
*/
/* INCLUDES ******************************************************************/
@ -3027,7 +3028,94 @@ I_ScQueryServiceTagInfo(PVOID Unused,
TAG_INFO_LEVEL dwInfoLevel,
PTAG_INFO_NAME_FROM_TAG InOutParams)
{
return ERROR_CALL_NOT_IMPLEMENTED;
SC_HANDLE hScm;
DWORD dwError;
PTAG_INFO_NAME_FROM_TAG_IN_PARAMS InParams;
PTAG_INFO_NAME_FROM_TAG_OUT_PARAMS OutParams;
LPWSTR lpszName;
/* We only support one class */
if (dwInfoLevel != TagInfoLevelNameFromTag)
{
return ERROR_RETRY;
}
/* Validate input structure */
if (InOutParams->InParams.dwPid == 0 || InOutParams->InParams.dwTag == 0)
{
return ERROR_INVALID_PARAMETER;
}
/* Validate output structure */
if (InOutParams->OutParams.pszName != NULL)
{
return ERROR_INVALID_PARAMETER;
}
/* Open service manager */
hScm = OpenSCManagerW(NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE);
if (hScm == NULL)
{
return GetLastError();
}
/* Setup call parameters */
InParams = &InOutParams->InParams;
OutParams = NULL;
/* Call SCM to query tag information */
RpcTryExcept
{
dwError = RI_ScQueryServiceTagInfo(hScm, TagInfoLevelNameFromTag, &InParams, &OutParams);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwError = ScmRpcStatusToWinError(RpcExceptionCode());
}
RpcEndExcept;
/* Quit if not a success */
if (dwError != ERROR_SUCCESS)
{
goto Cleanup;
}
/* OutParams must be set now and we must have a name */
if (OutParams == NULL ||
OutParams->pszName == NULL)
{
dwError = ERROR_INVALID_DATA;
goto Cleanup;
}
/* Copy back what SCM returned */
lpszName = LocalAlloc(LPTR,
sizeof(WCHAR) * wcslen(OutParams->pszName) + sizeof(UNICODE_NULL));
if (lpszName == NULL)
{
dwError = GetLastError();
goto Cleanup;
}
wcscpy(lpszName, OutParams->pszName);
InOutParams->OutParams.pszName = lpszName;
InOutParams->OutParams.TagType = OutParams->TagType;
Cleanup:
CloseServiceHandle(hScm);
/* Free memory allocated by SCM */
if (OutParams != NULL)
{
if (OutParams->pszName != NULL)
{
midl_user_free(OutParams->pszName);
}
midl_user_free(OutParams);
}
return dwError;
}
/**********************************************************************