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/* ****************************************************************************
* eID Middleware Project.
* Copyright (C) 2008-2009 FedICT.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version
* 3.0 as published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, see
* http://www.gnu.org/licenses/.
**************************************************************************** */
#include <windows.h>
#include "user.h"
#include "error.h"
#include "log.h"
////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////// PRIVATE FUNCTIONS DECLARATION ////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////// PUBLIC FUNCTIONS /////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////
int userGetInfo(User_ID user, User_INFO *info)
{
int iReturnCode = DIAGLIB_OK;
if(info == NULL)
{
return RETURN_LOG_BAD_FUNCTION_CALL;
}
if(user != CURRENT_USER_ID)
{
return RETURN_LOG_ERROR(DIAGLIB_ERR_NOT_AVAILABLE);
}
info->id=user;
DWORD dwBytesNeeded = 0;
DWORD dwBufSize = 0;
wchar_t *pBuf = NULL;
if(::GetUserName( NULL, &dwBytesNeeded))
{
LOG_LASTERROR(L"::GetUserName failed to get size needed");
iReturnCode = DIAGLIB_ERR_INTERNAL;
}
else
{
if (ERROR_INSUFFICIENT_BUFFER != GetLastError() || dwBytesNeeded < 1)
{
LOG_LASTERROR(L"::GetUserName failed to get size needed");
iReturnCode = DIAGLIB_ERR_INTERNAL;
}
}
if(iReturnCode == DIAGLIB_OK)
{
//Allocate the buffer
dwBufSize = dwBytesNeeded + 0x10;
if(NULL == (pBuf = (wchar_t *) malloc(dwBufSize)))
{
LOG_ERROR(L"Memory allocation failed");
iReturnCode = DIAGLIB_ERR_INTERNAL;
}
else if (!::GetUserName(pBuf, &dwBufSize))
{
LOG_LASTERROR(L"::GetUserName failed");
iReturnCode = DIAGLIB_ERR_INTERNAL;
}
else
{
info->Name=pBuf;
}
if(pBuf) free(pBuf);
}
userIsAdministrator(user, &info->IsAdmin);
return iReturnCode;
}
////////////////////////////////////////////////////////////////////////////////////////////////
int userIsAdministrator(User_ID user, bool *admin)
/*++
Routine Description: This routine returns TRUE in *admin if the caller's
process is a member of the Administrators local group. Caller is NOT
expected to be impersonating anyone and is expected to be able to
open its own process and process token.
Arguments: None.
Return Value:
TRUE - Caller has Administrators local group.
FALSE - Caller does not have Administrators local group. --
*/
{
int iReturnCode = DIAGLIB_OK;
if(admin==NULL)
{
return RETURN_LOG_BAD_FUNCTION_CALL;
}
if(user != CURRENT_USER_ID)
{
return RETURN_LOG_ERROR(DIAGLIB_ERR_NOT_AVAILABLE);
}
*admin=false;
SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
PSID AdministratorsGroup;
if(!AllocateAndInitializeSid(
&NtAuthority,
2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0,
&AdministratorsGroup))
{
LOG_LASTERROR(L"AllocateAndInitializeSid");
iReturnCode=DIAGLIB_ERR_INTERNAL;
}
else
{
BOOL b;
if (!CheckTokenMembership( NULL, AdministratorsGroup, &b))
{
LOG_LASTERROR(L"CheckTokenMembership");
iReturnCode=DIAGLIB_ERR_INTERNAL;
}
else
{
if(b)
{
*admin=true;
}
}
if(NULL != FreeSid(AdministratorsGroup))
{
LOG_LASTERROR(L"FreeSid");
iReturnCode=DIAGLIB_ERR_INTERNAL;
}
}
return iReturnCode;
}
////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////// PRIVATE FUNCTIONS ////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////
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