[ros-kernel] ReactOS is not loading auto-start drivers anymore

[Richard Campbell]

it's privilege :-)

*shuts up*

i'm moving as of tomorrow, no net access where i'm going...cyas in 3 months :)

----- Original Message ----- 
From: "Filip Navara" <xnavara at volny.cz>
To: "ReactOS Kernel List" <ros-kernel at reactos.com>
Sent: Sunday, April 11, 2004 12:06 PM
Subject: Re: [ros-kernel] ReactOS is not loading auto-start drivers anymore


> Jason Filby wrote:
> 
> >It looks like its a problem with privileges. I just committed an
> >updated 
> >ntoskrnl/io/driver.c, which when you commented out NDEBUG, shows a 
> >message on failure:
> >(io/driver.c:1519) Privilege not held
> >
> >In NtLoadDriver, the first call (to SeSinglePrivilegeCheck), fails.
> >But 
> >I'm not yet sure why.
> >  
> >
> You're right Jason. The "services" application doesn't acquire the Load 
> Driver privilage.
> Here is the code, add it to "subsys/system/services/services.c" above 
> WinMain and then call it somewhere there :
> 
> VOID FASTCALL
> AcquireLoadDriverPrivilage(VOID)
> {
>     HANDLE hProcess;
>     HANDLE hToken;
>     TOKEN_PRIVILEGES tkp;
> 
>     /* Change our priority class to HIGH */
>     hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, 
> GetCurrentProcessId());
>     SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS);
>     CloseHandle(hProcess);
> 
>     /* Get a token for this process.  */
>     if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | 
> TOKEN_QUERY, &hToken)) {
>         /* Get the LUID for the debug privilege.  */
>         LookupPrivilegeValue(NULL, SE_LOAD_DRIVER_NAME, 
> &tkp.Privileges[0].Luid);
> 
>         tkp.PrivilegeCount = 1;  /* one privilege to set */
>         tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
> 
>         /* Get the debug privilege for this process. */
>         AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, 
> (PTOKEN_PRIVILEGES)NULL, 0);
>     }
> }
> 
> 
> - Filip
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