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tst: passthrough: enable backup/restore privileges if able

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This commit is contained in:
Bill Zissimopoulos 2017-01-30 15:22:20 -08:00
parent 1d35069aab
commit 396d9d97d2
1 changed files with 30 additions and 0 deletions
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30
tst/passthrough/passthrough.c
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@ -726,6 +726,34 @@ static VOID PtfsDelete(PTFS *Ptfs)
free(Ptfs);
}
static NTSTATUS EnableBackupRestorePrivileges(VOID)
{
union
{
TOKEN_PRIVILEGES P;
UINT B[sizeof(TOKEN_PRIVILEGES) + sizeof(LUID_AND_ATTRIBUTES)];
} Privileges;
HANDLE Token;
Privileges.P.PrivilegeCount = 2;
Privileges.P.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
Privileges.P.Privileges[1].Attributes = SE_PRIVILEGE_ENABLED;
if (!LookupPrivilegeValueW(0, SE_BACKUP_NAME, &Privileges.P.Privileges[0].Luid) ||
!LookupPrivilegeValueW(0, SE_RESTORE_NAME, &Privileges.P.Privileges[1].Luid))
return FspNtStatusFromWin32(GetLastError());
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &Token))
return FspNtStatusFromWin32(GetLastError());
if (!AdjustTokenPrivileges(Token, FALSE, &Privileges.P, 0, 0, 0))
return FspNtStatusFromWin32(GetLastError());
CloseHandle(Token);
return STATUS_SUCCESS;
}
static ULONG wcstol_deflt(wchar_t *w, ULONG deflt)
{
wchar_t *endp;
@ -803,6 +831,8 @@ static NTSTATUS SvcStart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
if (0 == PassThrough || 0 == MountPoint)
goto usage;
EnableBackupRestorePrivileges();
if (0 != DebugLogFile)
{
if (0 == wcscmp(L"-", DebugLogFile))