You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
217 lines
6.5 KiB
217 lines
6.5 KiB
//+------------------------------------------------------------------
|
|
//
|
|
// Copyright (C) 1993, Microsoft Corporation.
|
|
//
|
|
// File: DumpSec.cxx
|
|
//
|
|
// Contents: class to dump file security ACL
|
|
//
|
|
// Classes: CDumpSecurity
|
|
//
|
|
// History: Nov-93 DaveMont Created.
|
|
//
|
|
//-------------------------------------------------------------------
|
|
#include "pch.h"
|
|
#include "DumpSec.hxx"
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CDumpSecurity::CDumpSecurity, public
|
|
//
|
|
// Synopsis: initialized data members, constructor will not throw
|
|
//
|
|
// Arguments: IN [pfilename] - name of file to dump security for
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
CDumpSecurity::CDumpSecurity(LPWSTR pfilename)
|
|
: _psd(NULL),
|
|
_pwfilename(pfilename),
|
|
_pdacl(NULL),
|
|
_pah(NULL),
|
|
_psid(NULL),
|
|
_cacethissid(0),
|
|
_bNullDacl(FALSE)
|
|
{
|
|
}
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CDumpSecurity::Init, public
|
|
//
|
|
// Synopsis: Init must be called before any other methods - this
|
|
// is not enforced. Init gets the security descriptor and
|
|
// ACL for the file
|
|
//
|
|
// Arguments: none
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
ULONG CDumpSecurity::Init()
|
|
{
|
|
ULONG ret;
|
|
ULONG cpsd;
|
|
|
|
// get the size of the security buffer
|
|
|
|
if (!GetFileSecurity((LPCTSTR)_pwfilename,
|
|
DACL_SECURITY_INFORMATION |
|
|
GROUP_SECURITY_INFORMATION |
|
|
OWNER_SECURITY_INFORMATION,
|
|
NULL,
|
|
0,
|
|
&cpsd) )
|
|
{
|
|
if (ERROR_INSUFFICIENT_BUFFER == (ret = GetLastError()))
|
|
{
|
|
if ( NULL == ( _psd = (BYTE *)LocalAlloc(LMEM_FIXED, cpsd)))
|
|
{
|
|
return(ERROR_NOT_ENOUGH_MEMORY);
|
|
}
|
|
|
|
// actually get the buffer this time
|
|
|
|
if ( GetFileSecurity((LPCTSTR)_pwfilename,
|
|
DACL_SECURITY_INFORMATION |
|
|
GROUP_SECURITY_INFORMATION |
|
|
OWNER_SECURITY_INFORMATION,
|
|
_psd,
|
|
cpsd,
|
|
&cpsd) )
|
|
{
|
|
BOOL fdaclpresent;
|
|
BOOL cod;
|
|
|
|
// get the ACL
|
|
|
|
if ( GetSecurityDescriptorDacl(_psd,
|
|
&fdaclpresent,
|
|
&_pdacl,
|
|
&cod) )
|
|
|
|
{
|
|
if (!fdaclpresent)
|
|
{
|
|
_pdacl = NULL;
|
|
return(ERROR_NO_SECURITY_ON_OBJECT);
|
|
}
|
|
// save the ACL location
|
|
if(_pdacl)
|
|
{
|
|
_pah = (ACE_HEADER *)Add2Ptr(_pdacl, sizeof(ACL));
|
|
}
|
|
else
|
|
{
|
|
_bNullDacl = TRUE;
|
|
}
|
|
return(ERROR_SUCCESS);
|
|
|
|
} else
|
|
return(GetLastError());
|
|
} else
|
|
return(GetLastError());
|
|
}
|
|
} else
|
|
return(ERROR_NO_SECURITY_ON_OBJECT);
|
|
|
|
return(ret);
|
|
}
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: Dtor, public
|
|
//
|
|
// Synopsis: frees the security descriptor
|
|
//
|
|
// Arguments: none
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
CDumpSecurity::~CDumpSecurity()
|
|
{
|
|
if (_psd)
|
|
{
|
|
LocalFree(_psd);
|
|
}
|
|
}
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CDumpSecurity::GetSDOwner, public
|
|
//
|
|
// Synopsis: returns the owner of the file
|
|
//
|
|
// Arguments: OUT [psid] - address of the returned sid
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
ULONG CDumpSecurity::GetSDOwner(SID **psid)
|
|
{
|
|
BOOL cod;
|
|
if ( GetSecurityDescriptorOwner(_psd, (void **)psid, &cod) )
|
|
return(0);
|
|
else
|
|
return(GetLastError());
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CDumpSecurity::GetSDGroup, public
|
|
//
|
|
// Synopsis: returns the group from the file
|
|
//
|
|
// Arguments: OUT [pgsid] - address of the returned group sid
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
ULONG CDumpSecurity::GetSDGroup(SID **pgsid)
|
|
{
|
|
BOOL cod;
|
|
if ( GetSecurityDescriptorGroup(_psd, (void **)pgsid, &cod) )
|
|
return(0);
|
|
else
|
|
return(GetLastError());
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CDumpSecurity::ResetAce, public
|
|
//
|
|
// Synopsis: sets the 'ace' index to the start of the DACL
|
|
//
|
|
// Arguments: IN - [psid] - the SID to find aces for
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
VOID CDumpSecurity::ResetAce(SID *psid)
|
|
{
|
|
|
|
_psid = psid;
|
|
_cacethissid = 0;
|
|
if (_pdacl)
|
|
_pah = (ACE_HEADER *)Add2Ptr(_pdacl, sizeof(ACL));
|
|
}
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CDumpSecurity::GetNextAce, public
|
|
//
|
|
// Synopsis: gets the next ACE from the DACL for the specified SID
|
|
//
|
|
// Arguments: OUT [pace] - pointer to the next ace for the SID passed
|
|
// in at the last reset.
|
|
//
|
|
// Returns: the number of the ACE
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
LONG CDumpSecurity::GetNextAce(ACE_HEADER **paceh)
|
|
{
|
|
LONG ret = -1;
|
|
|
|
if (_pdacl)
|
|
{
|
|
for (;_cacethissid < _pdacl->AceCount;
|
|
_cacethissid++, _pah = (ACE_HEADER *)Add2Ptr(_pah, _pah->AceSize))
|
|
{
|
|
if (!_psid || EqualSid(_psid,(SID *)&((ACCESS_ALLOWED_ACE *)_pah)->SidStart) )
|
|
{
|
|
*paceh = _pah;
|
|
ret = _cacethissid++;
|
|
_pah = (ACE_HEADER *)Add2Ptr(_pah, _pah->AceSize);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return(ret);
|
|
}
|
|
|