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383 lines
12 KiB
C++
383 lines
12 KiB
C++
/* $Id: ShellCommandDACL.cpp,v 1.4 2001/01/13 23:55:36 narnaoud Exp $
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*
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* regexpl - Console Registry Explorer
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*
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* Copyright (C) 2000,2001 Nedko Arnaoudov <nedkohome@atia.com>
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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
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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// ShellCommandDACL.cpp: implementation of the CShellCommandDACL class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "ph.h"
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#include "ShellCommandDACL.h"
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#include "RegistryExplorer.h"
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#include "SecurityDescriptor.h"
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#define DACL_CMD _T("DACL")
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#define DACL_CMD_LENGTH COMMAND_LENGTH(DACL_CMD)
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#define DACL_CMD_SHORT_DESC DACL_CMD _T(" command is used to view")/*"/edit"*/_T(" key's DACL.\n")
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CShellCommandDACL::CShellCommandDACL(CRegistryTree& rTree):m_rTree(rTree)
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{
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}
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CShellCommandDACL::~CShellCommandDACL()
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{
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}
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BOOL CShellCommandDACL::Match(const TCHAR *pchCommand)
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{
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if (_tcsicmp(pchCommand,DACL_CMD) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,DACL_CMD _T(".."),DACL_CMD_LENGTH+2*sizeof(TCHAR)) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,DACL_CMD _T("/") ,DACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,DACL_CMD _T("\\"),DACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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return TRUE;
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return FALSE;
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}
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int CShellCommandDACL::Execute(CConsole &rConsole, CArgumentParser& rArguments)
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{
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rArguments.ResetArgumentIteration();
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const TCHAR *pszKey = NULL;
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BOOL blnDo = TRUE;
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BOOL blnBadParameter = FALSE;
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BOOL blnHelp = FALSE;
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const TCHAR *pchParameter;
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const TCHAR *pchCommandItself = rArguments.GetNextArgument();
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LONG nError;
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if ((_tcsnicmp(pchCommandItself,DACL_CMD _T(".."),DACL_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
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(_tcsnicmp(pchCommandItself,DACL_CMD _T("\\"),DACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
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{
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pszKey = pchCommandItself + DACL_CMD_LENGTH;
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}
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else if (_tcsnicmp(pchCommandItself,DACL_CMD _T("/"),DACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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{
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pchParameter = pchCommandItself + DACL_CMD_LENGTH;
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goto CheckDACLArgument;
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}
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while((pchParameter = rArguments.GetNextArgument()) != NULL)
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{
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CheckDACLArgument:
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blnBadParameter = FALSE;
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if ((_tcsicmp(pchParameter,_T("/?")) == 0)
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||(_tcsicmp(pchParameter,_T("-?")) == 0))
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{
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blnHelp = TRUE;
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blnDo = pszKey != NULL;
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}
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else if (!pszKey)
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{
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pszKey = pchParameter;
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blnDo = TRUE;
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}
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else
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{
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blnBadParameter = TRUE;
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}
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if (blnBadParameter)
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{
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rConsole.Write(_T("Bad parameter: "));
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rConsole.Write(pchParameter);
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rConsole.Write(_T("\n"));
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}
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}
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CRegistryKey Key;
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if (!m_rTree.GetKey(pszKey?pszKey:_T("."),KEY_QUERY_VALUE|READ_CONTROL,Key))
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{
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rConsole.Write(m_rTree.GetLastErrorDescription());
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blnDo = FALSE;
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}
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if (blnHelp)
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{
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rConsole.Write(GetHelpString());
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}
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if (blnDo&&blnHelp) rConsole.Write(_T("\n"));
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if (!blnDo)
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return 0;
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if (Key.IsRoot())
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{ // root key
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rConsole.Write(DACL_CMD COMMAND_NA_ON_ROOT);
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return 0;
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}
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DWORD dwSecurityDescriptorLength;
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rConsole.Write(_T("Key : "));
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rConsole.Write(_T("\\"));
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rConsole.Write(Key.GetKeyName());
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rConsole.Write(_T("\n"));
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PSECURITY_DESCRIPTOR pSecurityDescriptor = NULL;
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TCHAR *pchName = NULL, *pchDomainName = NULL;
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try
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{
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nError = Key.GetSecurityDescriptorLength(&dwSecurityDescriptorLength);
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if (nError != ERROR_SUCCESS)
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throw nError;
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pSecurityDescriptor = (PSECURITY_DESCRIPTOR) new unsigned char [dwSecurityDescriptorLength];
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DWORD dwSecurityDescriptorLength1 = dwSecurityDescriptorLength;
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nError = Key.GetSecurityDescriptor((SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,pSecurityDescriptor,&dwSecurityDescriptorLength1);
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if (nError != ERROR_SUCCESS)
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throw nError;
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CSecurityDescriptor sd;
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sd.AssociateDescriptor(pSecurityDescriptor);
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sd.BeginDACLInteration();
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ASSERT(sd.DescriptorContainsDACL());
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if (sd.HasNULLDACL())
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{
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rConsole.Write(_T("Key has not DACL.\n(This allows all access)\n"));
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}
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else
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{
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if (!sd.HasValidDACL())
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{
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rConsole.Write(_T("Invalid DACL.\n"));
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}
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else
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{
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DWORD nACECount = sd.GetDACLEntriesCount();
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rConsole.Write(_T("DACL has "));
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TCHAR Buffer[256];
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rConsole.Write(_itot(nACECount,Buffer,10));
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rConsole.Write(_T(" ACEs.\n"));
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if (nACECount == 0)
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{
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rConsole.Write(_T("(This denies all access)\n"));
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}
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else
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{
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for (DWORD i = 0 ; i < nACECount ; i++)
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{
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rConsole.Write(_T("\n"));
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rConsole.Write(_T("\tACE Index: "));
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rConsole.Write(_itot(i,Buffer,10));
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rConsole.Write(_T("\n"));
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rConsole.Write(_T("\tACE Type: "));
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switch (sd.GetDACLEntry(i))
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{
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case CSecurityDescriptor::AccessAlowed:
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rConsole.Write(_T("Access-allowed\n"));
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break;
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case CSecurityDescriptor::AccessDenied:
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rConsole.Write(_T("Access-denied\n"));
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break;
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default:
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rConsole.Write(_T("Unknown.\nCannot continue dumping of the ACE list.\n"));
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goto AbortDumpDACL;
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}
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PSID pSID = sd.GetCurrentACE_SID();
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if ((pSID == NULL)||(!IsValidSid(pSID)))
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{
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rConsole.Write(_T("\tInvalid SID.\n"));
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}
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else
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{
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DWORD dwSIDStringSize = 0;
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BOOL blnRet = GetTextualSid(pSID,NULL,&dwSIDStringSize);
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ASSERT(!blnRet);
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ASSERT(GetLastError() == ERROR_INSUFFICIENT_BUFFER);
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TCHAR *pchSID = new TCHAR[dwSIDStringSize];
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if(!GetTextualSid(pSID,pchSID,&dwSIDStringSize))
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{
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DWORD dwError = GetLastError();
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ASSERT(dwError != ERROR_INSUFFICIENT_BUFFER);
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rConsole.Write(_T("Error "));
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TCHAR Buffer[256];
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rConsole.Write(_itot(dwError,Buffer,10));
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rConsole.Write(_T("\nGetting string representation of SID\n"));
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}
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else
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{
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rConsole.Write(_T("\tSID: "));
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rConsole.Write(pchSID);
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rConsole.Write(_T("\n"));
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}
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delete pchSID;
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DWORD dwNameBufferLength, dwDomainNameBufferLength;
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dwNameBufferLength = 1024;
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dwDomainNameBufferLength = 1024;
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pchName = new TCHAR [dwNameBufferLength];
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pchDomainName = new TCHAR [dwDomainNameBufferLength];
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DWORD dwNameLength = dwNameBufferLength, dwDomainNameLength = dwDomainNameBufferLength;
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SID_NAME_USE Use;
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if (!LookupAccountSid(NULL,pSID,pchName,&dwNameLength,pchDomainName,&dwDomainNameLength,&Use))
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{
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rConsole.Write(_T("Error "));
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TCHAR Buffer[256];
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rConsole.Write(_itot(GetLastError(),Buffer,10));
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rConsole.Write(_T("\n"));
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}
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else
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{
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rConsole.Write(_T("\tTrustee Domain: "));
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rConsole.Write(pchDomainName);
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rConsole.Write(_T("\n"));
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rConsole.Write(_T("\tTrustee Name: "));
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rConsole.Write(pchName);
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rConsole.Write(_T("\n\tSID type: "));
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rConsole.Write(GetSidTypeName(Use));
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rConsole.Write(_T("\n"));
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}
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delete [] pchName;
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pchName = NULL;
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delete [] pchDomainName;
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pchDomainName = NULL;
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}
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BYTE bFlags;
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sd.GetCurrentACE_Flags(bFlags);
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wsprintf(Buffer,_T("\tFlags: 0x%02lX\n"),bFlags);
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rConsole.Write(Buffer);
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if (bFlags & CONTAINER_INHERIT_ACE)
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{
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rConsole.Write(_T("\t\tCONTAINER_INHERIT_ACE\n"));
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}
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if (bFlags & INHERIT_ONLY_ACE)
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{
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rConsole.Write(_T("\t\tINHERIT_ONLY_ACE\n"));
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}
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if (bFlags & INHERITED_ACE)
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{
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rConsole.Write(_T("\t\tINHERITED_ACE\n"));
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}
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if (bFlags & NO_PROPAGATE_INHERIT_ACE)
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{
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rConsole.Write(_T("\t\tNO_PROPAGATE_INHERIT_ACE\n"));
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}
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if (bFlags & OBJECT_INHERIT_ACE)
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{
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rConsole.Write(_T("\t\tOBJECT_INHERIT_ACE\n"));
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}
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DWORD dwAccessMask;
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sd.GetCurrentACE_AccessMask(dwAccessMask);
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wsprintf(Buffer,_T("\tAccess Mask: 0x%08lX\n"),dwAccessMask);
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rConsole.Write(Buffer);
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if (dwAccessMask & GENERIC_READ)
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{
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rConsole.Write(_T("\t\tGENERIC_READ\n"));
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}
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if (dwAccessMask & GENERIC_WRITE)
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{
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rConsole.Write(_T("\t\tGENERIC_WRITE\n"));
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}
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if (dwAccessMask & GENERIC_EXECUTE)
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{
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rConsole.Write(_T("\t\tGENERIC_EXECUTE\n"));
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}
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if (dwAccessMask & GENERIC_ALL)
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{
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rConsole.Write(_T("\t\tGENERIC_ALL\n"));
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}
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if (dwAccessMask & SYNCHRONIZE)
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{
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rConsole.Write(_T("\t\tSYNCHRONIZE\n"));
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}
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if (dwAccessMask & WRITE_OWNER)
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{
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rConsole.Write(_T("\t\tWRITE_OWNER\n"));
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}
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if (dwAccessMask & WRITE_DAC)
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{
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rConsole.Write(_T("\t\tWRITE_DAC\n"));
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}
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if (dwAccessMask & READ_CONTROL)
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{
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rConsole.Write(_T("\t\tREAD_CONTROL\n"));
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}
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if (dwAccessMask & DELETE)
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{
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rConsole.Write(_T("\t\tDELETE\n"));
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}
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if (dwAccessMask & KEY_CREATE_LINK)
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{
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rConsole.Write(_T("\t\tKEY_CREATE_LINK\n"));
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}
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if (dwAccessMask & KEY_NOTIFY)
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{
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rConsole.Write(_T("\t\tKEY_NOTIFY\n"));
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}
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if (dwAccessMask & KEY_ENUMERATE_SUB_KEYS)
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{
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rConsole.Write(_T("\t\tKEY_ENUMERATE_SUB_KEYS\n"));
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}
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if (dwAccessMask & KEY_CREATE_SUB_KEY)
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{
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rConsole.Write(_T("\t\tKEY_CREATE_SUB_KEY\n"));
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}
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if (dwAccessMask & KEY_SET_VALUE)
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{
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rConsole.Write(_T("\t\tKEY_SET_VALUE\n"));
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}
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if (dwAccessMask & KEY_QUERY_VALUE)
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{
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rConsole.Write(_T("\t\tKEY_QUERY_VALUE\n"));
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}
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} // for
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} // else (nACECount == 0)
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} // else (!sd.HasValidDACL())
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} // else (sd.HasNULLDACL())
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AbortDumpDACL:
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delete [] pSecurityDescriptor;
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} // try
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catch (DWORD dwError)
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{
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rConsole.Write(_T("Error "));
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TCHAR Buffer[256];
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rConsole.Write(_itot(dwError,Buffer,10));
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rConsole.Write(_T("\n"));
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if (pchName) delete [] pchName;
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if (pchDomainName) delete [] pchDomainName;
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if (pSecurityDescriptor) delete [] pSecurityDescriptor;
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}
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return 0;
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}
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const TCHAR * CShellCommandDACL::GetHelpString()
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{
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return DACL_CMD_SHORT_DESC
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_T("Syntax: ") DACL_CMD _T(" [<KEY>] [/?]\n\n")
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_T(" <KEY> - Optional relative path of desired key.\n")
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_T(" /? - This help.\n\n")
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_T("Without parameters, command displays DACL of current key.\n");
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}
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const TCHAR * CShellCommandDACL::GetHelpShortDescriptionString()
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{
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return DACL_CMD_SHORT_DESC;
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}
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