mirror of
https://github.com/reactos/reactos.git
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165 lines
4.3 KiB
C
165 lines
4.3 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 2004 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: dll/win32/userenv/sid.c
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* PURPOSE: User profile code
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* PROGRAMMER: Eric Kohl
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*/
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#include "precomp.h"
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#include <ndk/sefuncs.h>
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#define NDEBUG
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#include <debug.h>
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PSID
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WINAPI
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GetUserSid(HANDLE hToken)
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{
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PTOKEN_USER UserBuffer;
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PTOKEN_USER TempBuffer;
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NTSTATUS Status;
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ULONG Length;
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PSID pSid;
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Length = 256;
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UserBuffer = LocalAlloc(LPTR, Length);
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if (UserBuffer == NULL)
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{
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return NULL;
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}
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Status = NtQueryInformationToken(hToken,
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TokenUser,
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(PVOID)UserBuffer,
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Length,
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&Length);
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if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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TempBuffer = LocalReAlloc(UserBuffer, Length, LMEM_MOVEABLE);
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if (TempBuffer == NULL)
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{
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LocalFree(UserBuffer);
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return NULL;
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}
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UserBuffer = TempBuffer;
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Status = NtQueryInformationToken(hToken,
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TokenUser,
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(PVOID)UserBuffer,
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Length,
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&Length);
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}
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if (!NT_SUCCESS(Status))
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{
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LocalFree(UserBuffer);
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return NULL;
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}
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Length = RtlLengthSid(UserBuffer->User.Sid);
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pSid = LocalAlloc(LPTR, Length);
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if (pSid == NULL)
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{
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LocalFree(UserBuffer);
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return NULL;
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}
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Status = RtlCopySid(Length, pSid, UserBuffer->User.Sid);
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LocalFree(UserBuffer);
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if (!NT_SUCCESS(Status))
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{
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LocalFree(pSid);
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return NULL;
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}
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return pSid;
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}
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BOOL
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GetUserSidStringFromToken(HANDLE hToken,
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PUNICODE_STRING SidString)
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{
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PTOKEN_USER UserBuffer, nsb;
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ULONG Length;
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NTSTATUS Status;
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Length = 256;
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UserBuffer = LocalAlloc(LPTR, Length);
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if (UserBuffer == NULL)
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return FALSE;
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Status = NtQueryInformationToken(hToken,
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TokenUser,
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(PVOID)UserBuffer,
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Length,
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&Length);
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if (Status == STATUS_BUFFER_TOO_SMALL)
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{
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nsb = LocalReAlloc(UserBuffer,
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Length,
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LMEM_MOVEABLE);
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if (nsb == NULL)
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{
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LocalFree(UserBuffer);
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return FALSE;
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}
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UserBuffer = nsb;
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Status = NtQueryInformationToken(hToken,
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TokenUser,
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(PVOID)UserBuffer,
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Length,
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&Length);
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}
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if (!NT_SUCCESS (Status))
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{
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LocalFree(UserBuffer);
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SetLastError(RtlNtStatusToDosError(Status));
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return FALSE;
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}
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DPRINT("SidLength: %lu\n", RtlLengthSid (UserBuffer->User.Sid));
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Status = RtlConvertSidToUnicodeString(SidString,
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UserBuffer->User.Sid,
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TRUE);
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LocalFree(UserBuffer);
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if (!NT_SUCCESS(Status))
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{
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SetLastError(RtlNtStatusToDosError(Status));
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return FALSE;
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}
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DPRINT("SidString.Length: %lu\n", SidString->Length);
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DPRINT("SidString.MaximumLength: %lu\n", SidString->MaximumLength);
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DPRINT("SidString: '%wZ'\n", SidString);
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return TRUE;
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}
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