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455 lines
13 KiB
C++
455 lines
13 KiB
C++
/* $Id: ShellCommandSACL.cpp,v 1.4 2001/01/13 23:55:37 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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// ShellCommandSACL.cpp: implementation of the CShellCommandSACL class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "ph.h"
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#include "ShellCommandSACL.h"
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#include "RegistryExplorer.h"
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#include "SecurityDescriptor.h"
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#define SACL_CMD _T("SACL")
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#define SACL_CMD_LENGTH COMMAND_LENGTH(SACL_CMD)
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#define SACL_CMD_SHORT_DESC SACL_CMD _T(" command is used to view")/*"/edit"*/_T(" key's SACL.\n")
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CShellCommandSACL::CShellCommandSACL(CRegistryTree& rTree):m_rTree(rTree)
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{
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}
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CShellCommandSACL::~CShellCommandSACL()
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{
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}
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BOOL CShellCommandSACL::Match(const TCHAR *pchCommand)
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{
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if (_tcsicmp(pchCommand,SACL_CMD) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,SACL_CMD _T(".."),SACL_CMD_LENGTH+2*sizeof(TCHAR)) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,SACL_CMD _T("/") ,SACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,SACL_CMD _T("\\"),SACL_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 CShellCommandSACL::Execute(CConsole &rConsole, CArgumentParser& rArguments)
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{
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#define ERROR_MSG_BUFFER_SIZE 1024
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TCHAR pszError_msg[ERROR_MSG_BUFFER_SIZE];
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pszError_msg[ERROR_MSG_BUFFER_SIZE-1] = 0;
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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 *pszParameter;
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const TCHAR *pszCommandItself = rArguments.GetNextArgument();
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DWORD dwError;
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PSECURITY_DESCRIPTOR pSecurityDescriptor = NULL;
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CSecurityDescriptor sd;
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HANDLE hThreadToken = INVALID_HANDLE_VALUE;
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if ((_tcsnicmp(pszCommandItself,SACL_CMD _T(".."),SACL_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
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(_tcsnicmp(pszCommandItself,SACL_CMD _T("\\"),SACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
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{
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pszKey = pszCommandItself + SACL_CMD_LENGTH;
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}
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else if (_tcsnicmp(pszCommandItself,SACL_CMD _T("/"),SACL_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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{
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pszParameter = pszCommandItself + SACL_CMD_LENGTH;
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goto CheckSACLArgument;
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}
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while((pszParameter = rArguments.GetNextArgument()) != NULL)
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{
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CheckSACLArgument:
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blnBadParameter = FALSE;
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if ((_tcsicmp(pszParameter,_T("/?")) == 0)||
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(_tcsicmp(pszParameter,_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 = pszParameter;
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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(pszParameter);
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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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ASSERT(hThreadToken == INVALID_HANDLE_VALUE);
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// Open thread token
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if (!OpenThreadToken(GetCurrentThread(),TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY,FALSE,&hThreadToken))
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{ // OpenThreadToken failed
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dwError = GetLastError();
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if (dwError != ERROR_NO_TOKEN)
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot open thread token.\nOpenThreadToken fails with error: %u\n"),(unsigned int)dwError);
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goto Error;
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}
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// If the thread does not have an access token, we'll examine the
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// access token associated with the process.
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if (!OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY,&hThreadToken))
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot open process token.\nOpenProcessToken fails with error: %u\n"),(unsigned int)GetLastError());
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goto Error;
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}
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}
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ASSERT(hThreadToken != INVALID_HANDLE_VALUE);
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// enable SeSecurityPrivilege privilege
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TOKEN_PRIVILEGES priv;
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priv.PrivilegeCount = 1;
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priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
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if (!LookupPrivilegeValue(
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NULL, // lookup privilege on local system
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SE_SECURITY_NAME, // privilege to lookup
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&(priv.Privileges[0].Luid))) // receives LUID of privilege
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot retrieve the locally unique identifier for %s privilege.\nLookupPrivilegeValue error: %u\n"),SE_SECURITY_NAME,(unsigned int)GetLastError());
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goto Error;
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}
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BOOL blnAdjRet;
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blnAdjRet = AdjustTokenPrivileges(
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hThreadToken,
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FALSE,
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&priv,
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sizeof(TOKEN_PRIVILEGES),
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(PTOKEN_PRIVILEGES)NULL,
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(PDWORD)NULL);
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dwError = GetLastError();
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if (!blnAdjRet)
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot enable %s privilege.\nAdjustTokenPrivileges fails with error: %u%s\n"),SE_SECURITY_NAME,(unsigned int)dwError,(dwError == 5)?_T(" (Access denied)"):_T(""));
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goto Error;
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}
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if (dwError != ERROR_SUCCESS)
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{
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if (dwError == ERROR_NOT_ALL_ASSIGNED)
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot enable %s privilege.\nThe token does not have the %s privilege\n"),SE_SECURITY_NAME,SE_SECURITY_NAME);
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}
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else
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot enable %s privilege.\nAdjustTokenPrivileges succeds with error: %u\n"),SE_SECURITY_NAME,(unsigned int)dwError);
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}
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goto Error;
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}
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if (!m_rTree.GetKey(pszKey?pszKey:_T("."),KEY_QUERY_VALUE|READ_CONTROL|ACCESS_SYSTEM_SECURITY,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)
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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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{
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_tcsncpy(pszError_msg,SACL_CMD COMMAND_NA_ON_ROOT,ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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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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dwError = Key.GetSecurityDescriptorLength(&dwSecurityDescriptorLength);
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if (dwError != ERROR_SUCCESS)
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot get security descriptor's length for current key.\nError: %u\n"),(unsigned int)dwError);
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goto Error;
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}
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pSecurityDescriptor = (PSECURITY_DESCRIPTOR) new unsigned char [dwSecurityDescriptorLength];
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if (!pSecurityDescriptor)
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{
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_tcsncpy(pszError_msg,_T("\nOut of memory.\n"),ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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}
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DWORD dwSecurityDescriptorLength1;
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dwSecurityDescriptorLength1 = dwSecurityDescriptorLength;
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dwError = Key.GetSecurityDescriptor((SECURITY_INFORMATION)SACL_SECURITY_INFORMATION,pSecurityDescriptor,&dwSecurityDescriptorLength1);
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if (dwError != ERROR_SUCCESS)
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{
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_sntprintf(pszError_msg,ERROR_MSG_BUFFER_SIZE-1,_T("\nCannot get security descriptor for current key.\nError: %u%s\n"),(unsigned int)dwError,(dwError == 1314)?_T("(A required privilege is not held by the client.)\n"):_T(""));
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goto Error;
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}
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sd.AssociateDescriptor(pSecurityDescriptor);
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sd.BeginSACLInteration();
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if ((!sd.DescriptorContainsSACL())||(sd.HasNULLSACL()))
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{
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_tcsncpy(pszError_msg,_T("Key has not SACL.\n"),ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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}
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if (!sd.HasValidSACL())
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{
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_tcsncpy(pszError_msg,_T("Invalid SACL.\n"),ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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}
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DWORD nACECount;
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nACECount = sd.GetSACLEntriesCount();
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rConsole.Write(_T("SACL 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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ASSERT(sizeof(ACL) == 8);
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rConsole.Write(_T("\n"));
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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("\tAudit Type: "));
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BOOL blnFailed, blnSuccessful;
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if (sd.GetSACLEntry(i,blnFailed,blnSuccessful) != CSecurityDescriptor::SystemAudit)
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{
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rConsole.Write(_T("Unknown ACE type.\nCannot continue ACE list dump.\n"));
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goto AbortDumpSACL;
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}
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if (blnFailed)
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rConsole.Write(_T("Failed access"));
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if (blnFailed && blnSuccessful)
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rConsole.Write(_T(" & "));
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if (blnSuccessful)
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rConsole.Write(_T("Successful access"));
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rConsole.Write(_T("\n"));
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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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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 *pszSID = new TCHAR[dwSIDStringSize];
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if (!pszSID)
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{
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_tcsncpy(pszError_msg,_T("\nOut of memory.\n"),ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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}
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if(!GetTextualSid(pSID,pszSID,&dwSIDStringSize))
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{
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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(pszSID);
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rConsole.Write(_T("\n"));
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}
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delete pszSID;
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TCHAR *pszName, *pszDomainName;
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DWORD dwNameBufferLength, dwDomainNameBufferLength;
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dwNameBufferLength = 1024;
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dwDomainNameBufferLength = 1024;
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pszName = new TCHAR [dwNameBufferLength];
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if (!pszName)
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{
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_tcsncpy(pszError_msg,_T("\nOut of memory.\n"),ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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}
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pszDomainName = new TCHAR [dwDomainNameBufferLength];
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if (!pszDomainName)
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{
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_tcsncpy(pszError_msg,_T("\nOut of memory.\n"),ERROR_MSG_BUFFER_SIZE-1);
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goto Error;
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}
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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,pszName,&dwNameLength,pszDomainName,&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(pszDomainName);
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rConsole.Write(_T("\n"));
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rConsole.Write(_T("\tTrustee Name: "));
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rConsole.Write(pszName);
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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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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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AbortDumpSACL:
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ASSERT(pSecurityDescriptor);
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delete pSecurityDescriptor;
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VERIFY(CloseHandle(hThreadToken));
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return 0;
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Error:
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if (pSecurityDescriptor)
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delete pSecurityDescriptor;
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if (hThreadToken != INVALID_HANDLE_VALUE)
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VERIFY(CloseHandle(hThreadToken));
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rConsole.Write(pszError_msg);
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return 0;
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}
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const TCHAR * CShellCommandSACL::GetHelpString()
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{
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return SACL_CMD_SHORT_DESC
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_T("Syntax: ") SACL_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 SACL of current key.\n");
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}
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const TCHAR * CShellCommandSACL::GetHelpShortDescriptionString()
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{
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return SACL_CMD_SHORT_DESC;
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}
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