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[SERVICES]

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Delete service registry keys recursively.

svn path=/trunk/; revision=73400
This commit is contained in:
Eric Kohl 2016-11-27 20:12:39 +00:00
parent bb759c3378
commit a96ca3a4c1
3 changed files with 65 additions and 3 deletions
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58
reactos/base/system/services/config.c
View file

@ -615,4 +615,62 @@ done:
return dwError;
}
DWORD
ScmDeleteServiceKey(
_In_ HKEY hServicesKey,
_In_ PCWSTR pszServiceName)
{
DWORD dwMaxSubkeyLen, dwMaxValueLen;
DWORD dwMaxLen, dwSize;
PWSTR pszName = NULL;
HKEY hServiceKey;
DWORD dwError;
dwError = RegOpenKeyExW(hServicesKey, pszServiceName, 0, KEY_READ, &hServiceKey);
if (dwError != ERROR_SUCCESS)
return dwError;
/* Get maximum length of key and value names */
dwError = RegQueryInfoKeyW(hServiceKey, NULL, NULL, NULL, NULL,
&dwMaxSubkeyLen, NULL, NULL, &dwMaxValueLen, NULL, NULL, NULL);
if (dwError != ERROR_SUCCESS)
goto done;
dwMaxSubkeyLen++;
dwMaxValueLen++;
dwMaxLen = max(dwMaxSubkeyLen, dwMaxValueLen);
/* Allocate the name buffer */
pszName = HeapAlloc(GetProcessHeap(), 0, dwMaxLen * sizeof(WCHAR));
if (pszName == NULL)
{
dwError = ERROR_NOT_ENOUGH_MEMORY;
goto done;
}
/* Recursively delete all the subkeys */
while (TRUE)
{
dwSize = dwMaxLen;
if (RegEnumKeyExW(hServiceKey, 0, pszName, &dwSize,
NULL, NULL, NULL, NULL))
break;
dwError = ScmDeleteServiceKey(hServiceKey, pszName);
if (dwError != ERROR_SUCCESS)
goto done;
}
dwError = RegDeleteKeyW(hServicesKey, pszServiceName);
done:
if (pszName != NULL)
HeapFree(GetProcessHeap(), 0, pszName);
RegCloseKey(hServiceKey);
return dwError;
}
/* EOF */

4
reactos/base/system/services/rpcserver.c
View file

@ -1026,7 +1026,7 @@ DWORD RCloseServiceHandle(
it is now safe to delete the service */
/* Delete the Service Key */
dwError = RegDeleteKeyW(hServicesKey,
dwError = ScmDeleteServiceKey(hServicesKey,
lpService->lpServiceName);
RegCloseKey(hServicesKey);
@ -1443,7 +1443,7 @@ DWORD RSetServiceObjectSecurity(
{
PSERVICE_HANDLE hSvc;
PSERVICE lpService;
ULONG DesiredAccess = 0;
ACCESS_MASK DesiredAccess = 0;
HANDLE hToken = NULL;
HKEY hServiceKey = NULL;
BOOL bDatabaseLocked = FALSE;

4
reactos/base/system/services/services.h
View file

@ -142,6 +142,10 @@ ScmReadSecurityDescriptor(
_In_ HKEY hServiceKey,
_Out_ PSECURITY_DESCRIPTOR *ppSecurityDescriptor);
DWORD
ScmDeleteServiceKey(
_In_ HKEY hServicesKey,
_In_ PCWSTR pszServiceName);
/* controlset.c */