Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-01-05 22:12:46 +00:00
Code Issues Projects Releases Packages Wiki Activity

[SERVICES]

Browse source 
Create a new environment block when a service process is started.
Patch by Hermès BÉLUSCA - MAÏTO.
CORE-12414

svn path=/trunk/; revision=73433
This commit is contained in:
Eric Kohl 2016-12-06 17:29:30 +00:00
parent c5e734fdd8
commit cce01fa95c
2 changed files with 70 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
reactos/base/system/services/CMakeLists.txt
View file

@ -26,6 +26,6 @@ if(NOT MSVC)
endif()
set_module_type(services win32gui UNICODE)
add_importlibs(services user32 advapi32 rpcrt4 msvcrt kernel32 ntdll)
add_importlibs(services userenv user32 advapi32 rpcrt4 msvcrt kernel32 ntdll)
add_pch(services services.h SOURCE)
add_cd_file(TARGET services DESTINATION reactos/system32 FOR all)

81
reactos/base/system/services/database.c
View file

@ -14,7 +14,7 @@
#include "services.h"
#include <winuser.h>
#include <userenv.h>
#define NDEBUG
#include <debug.h>
@ -1681,6 +1681,7 @@ ScmStartUserModeService(PSERVICE Service,
{
PROCESS_INFORMATION ProcessInformation;
STARTUPINFOW StartupInfo;
LPVOID lpEnvironment;
BOOL Result;
DWORD dwError = ERROR_SUCCESS;
@ -1698,17 +1699,73 @@ ScmStartUserModeService(PSERVICE Service,
StartupInfo.cb = sizeof(StartupInfo);
ZeroMemory(&ProcessInformation, sizeof(ProcessInformation));
Result = CreateProcessAsUserW(Service->lpImage->hToken,
NULL,
Service->lpImage->pszImagePath,
NULL,
NULL,
FALSE,
DETACHED_PROCESS | CREATE_SUSPENDED,
NULL,
NULL,
&StartupInfo,
&ProcessInformation);
/* Use the interactive desktop if the service is interactive */
if (Service->Status.dwServiceType & SERVICE_INTERACTIVE_PROCESS)
StartupInfo.lpDesktop = L"winsta0\\default";
if (Service->lpImage->hToken)
{
/* User token: Run the service under the user account */
if (!CreateEnvironmentBlock(&lpEnvironment, Service->lpImage->hToken, FALSE))
{
/* We failed, run the service with the current environment */
DPRINT1("CreateEnvironmentBlock() failed with error %d, service '%S' will run with the current environment.\n",
Service->lpServiceName, GetLastError());
lpEnvironment = NULL;
}
/* Impersonate the new user */
if (!ImpersonateLoggedOnUser(Service->lpImage->hToken))
{
dwError = GetLastError();
DPRINT1("ImpersonateLoggedOnUser() failed with error %d\n", GetLastError());
return dwError;
}
/* Launch the process in the user's logon session */
Result = CreateProcessAsUserW(Service->lpImage->hToken,
NULL,
Service->lpImage->pszImagePath,
NULL,
NULL,
FALSE,
CREATE_UNICODE_ENVIRONMENT | DETACHED_PROCESS | CREATE_SUSPENDED,
lpEnvironment,
NULL,
&StartupInfo,
&ProcessInformation);
/* Revert the impersonation */
RevertToSelf();
}
else
{
/* No user token: Run the service under the LocalSystem account */
if (!CreateEnvironmentBlock(&lpEnvironment, NULL, TRUE))
{
/* We failed, run the service with the current environment */
DPRINT1("CreateEnvironmentBlock() failed with error %d, service '%S' will run with the current environment.\n",
Service->lpServiceName, GetLastError());
lpEnvironment = NULL;
}
Result = CreateProcessW(NULL,
Service->lpImage->pszImagePath,
NULL,
NULL,
FALSE,
CREATE_UNICODE_ENVIRONMENT | DETACHED_PROCESS | CREATE_SUSPENDED,
lpEnvironment,
NULL,
&StartupInfo,
&ProcessInformation);
}
if (lpEnvironment)
DestroyEnvironmentBlock(lpEnvironment);
if (!Result)
{
dwError = GetLastError();