https://git.reactos.org/?p=reactos.git;a=commitdiff;h=e29a99245b8bdd299202a165fa11e753274af285
commit e29a99245b8bdd299202a165fa11e753274af285
Author: Pierre Schweitzer <pie...@reactos.org>
AuthorDate: Sun Dec 30 12:12:40 2018 +0100
Commit: Pierre Schweitzer <pie...@reactos.org>
CommitDate: Sun Dec 30 14:27:03 2018 +0100
[ADVAPI32] Implement I_ScQueryServiceTagInfo
---
dll/win32/advapi32/service/scm.c | 90 +++++++++++++++++++++++++++++++++++++++-
1 file changed, 89 insertions(+), 1 deletion(-)
diff --git a/dll/win32/advapi32/service/scm.c b/dll/win32/advapi32/service/scm.c
index 08baad1cb9..0588caef19 100644
--- a/dll/win32/advapi32/service/scm.c
+++ b/dll/win32/advapi32/service/scm.c
@@ -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;
}
/**********************************************************************
