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435 lines
13 KiB
C++
435 lines
13 KiB
C++
/* $Id: ShellCommandValue.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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// ShellCommandValue.cpp: implementation of the CShellCommandValue class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "ph.h"
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#include "RegistryExplorer.h"
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#include "ShellCommandValue.h"
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#include "RegistryTree.h"
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#include "RegistryKey.h"
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#define VALUE_CMD _T("VV")
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#define VALUE_CMD_LENGTH COMMAND_LENGTH(VALUE_CMD)
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#define VALUE_CMD_SHORT_DESC VALUE_CMD _T(" command is used to view value.\n")
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CShellCommandValue::CShellCommandValue(CRegistryTree& rTree):m_rTree(rTree)
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{
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}
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CShellCommandValue::~CShellCommandValue()
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{
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}
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BOOL CShellCommandValue::Match(const TCHAR *pchCommand)
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{
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if (_tcsicmp(pchCommand,VALUE_CMD) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,VALUE_CMD _T(".."),VALUE_CMD_LENGTH+2*sizeof(TCHAR)) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,VALUE_CMD _T("/"),VALUE_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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return TRUE;
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if (_tcsnicmp(pchCommand,VALUE_CMD _T("\\"),VALUE_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 CShellCommandValue::Execute(CConsole &rConsole, CArgumentParser& rArguments)
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{
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rArguments.ResetArgumentIteration();
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TCHAR *pchCommandItself = rArguments.GetNextArgument();
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TCHAR *pchParameter;
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TCHAR *pchValueFull = NULL;
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BOOL blnUnicodeDump = FALSE;
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BOOL blnBadParameter = FALSE;
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BOOL blnHelp = FALSE;
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LONG nError;
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DWORD dwValueSize;
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DWORD dwType = REG_NONE;
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BYTE *pDataBuffer = NULL;
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TCHAR *pchFilename = NULL;
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if ((_tcsnicmp(pchCommandItself,VALUE_CMD _T(".."),VALUE_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
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(_tcsnicmp(pchCommandItself,VALUE_CMD _T("\\"),VALUE_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
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{
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pchValueFull = pchCommandItself + VALUE_CMD_LENGTH;
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}
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else if (_tcsnicmp(pchCommandItself,VALUE_CMD _T("/"),VALUE_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
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{
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pchParameter = pchCommandItself + VALUE_CMD_LENGTH;
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goto CheckValueArgument;
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}
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while((pchParameter = rArguments.GetNextArgument()) != NULL)
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{
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CheckValueArgument:
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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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break;
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}
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else if (_tcsicmp(pchParameter,_T("/u")) == 0)
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{
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blnUnicodeDump = TRUE;
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}
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else if ((*pchParameter == _T('/'))&&(*(pchParameter+1) == _T('f')))
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{
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pchFilename = pchParameter+2;
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}
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else if (!pchValueFull)
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{
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pchValueFull = pchParameter;
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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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TCHAR *pchValueName;
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const TCHAR *pszPath;
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if (blnHelp)
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{
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rConsole.Write(GetHelpString());
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if (pDataBuffer)
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delete pDataBuffer;
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return 0;
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}
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if (pchValueFull)
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{
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if (_tcscmp(pchValueFull,_T("\\")) == 0)
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goto ValueCommandNAonRoot;
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TCHAR *pchSep = _tcsrchr(pchValueFull,_T('\\'));
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pchValueName = pchSep?(pchSep+1):(pchValueFull);
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pszPath = pchSep?pchValueFull:_T(".");
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//if (_tcsrchr(pchValueName,_T('.')))
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//{
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// pchValueName = _T("");
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// pchPath = pchValueFull;
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//}
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//else
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if (pchSep)
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*pchSep = 0;
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}
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else
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{
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pchValueName = _T("");
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pszPath = _T(".");
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}
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if (!m_rTree.GetKey(pszPath,KEY_READ,Key))
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{
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rConsole.Write(m_rTree.GetLastErrorDescription());
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goto SkipValueCommand;
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}
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if (Key.IsRoot())
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goto ValueCommandNAonRoot;
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{
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rConsole.Write(_T("Value name : \""));
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rConsole.Write(_T("\\"));
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rConsole.Write(Key.GetKeyName());
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size_t l = _tcslen(pchValueName);
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if (l&&
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(*pchValueName == _T('\"'))&&
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(pchValueName[l-1] == _T('\"')))
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{
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pchValueName[l-1] = 0;
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pchValueName++;
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}
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rConsole.Write(pchValueName);
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rConsole.Write(_T("\"\n"));
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nError = Key.GetValue(pchValueName,NULL,NULL,&dwValueSize);
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if (nError == ERROR_SUCCESS)
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{
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pDataBuffer = new BYTE [dwValueSize];
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Key.GetValue(pchValueName,&dwType,pDataBuffer,&dwValueSize);
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rConsole.Write(_T("Value type : "));
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rConsole.Write(CRegistryKey::GetValueTypeName(dwType));
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rConsole.Write(_T("\nValue data : "));
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switch(dwType)
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{
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case REG_DWORD_LITTLE_ENDIAN:
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{
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TCHAR Buffer[11];
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unsigned int n = *pDataBuffer;
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_stprintf(Buffer,_T("0x%08X\n"),n);
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rConsole.Write(Buffer);
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}
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break;
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case REG_DWORD_BIG_ENDIAN:
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{
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TCHAR Buffer[3];
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rConsole.Write(_T("0x"));
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for (unsigned int i = 0 ; i < dwValueSize ; i++)
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{
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_stprintf(Buffer,_T("%02X"),*(pDataBuffer+i));
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rConsole.Write(Buffer);
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}
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}
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rConsole.Write(_T("\n"));
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break;
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case REG_LINK:
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break;
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case REG_MULTI_SZ:
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{
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TCHAR *pchCurrentString = (TCHAR *)pDataBuffer;
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rConsole.Write(_T("\n"));
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while(*pchCurrentString)
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{
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rConsole.Write(_T("\""));
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rConsole.Write(pchCurrentString);
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rConsole.Write(_T("\"\n"));
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pchCurrentString += _tcslen(pchCurrentString)+1;
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}
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}
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break;
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case REG_RESOURCE_LIST:
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break;
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case REG_SZ:
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case REG_EXPAND_SZ:
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rConsole.Write(_T("\""));
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rConsole.Write((TCHAR *)pDataBuffer);
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rConsole.Write(_T("\"\n"));
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break;
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case REG_BINARY:
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default:
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{
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TCHAR Buffer[256];
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DWORD i;
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for (i = 0 ; i < dwValueSize ; i++)
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{
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if (i%16 == 0)
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{ // ok this is begining of line
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rConsole.Write(_T("\n"));
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// print offset
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_stprintf(Buffer,_T("0x%08X "),(unsigned int)i);
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rConsole.Write(Buffer);
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}
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else if (i%8 == 0)
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{ // this is the additional space between 7th and 8th byte in current line
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rConsole.Write(_T(" "));
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}
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// print current byte
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unsigned int n = *(pDataBuffer+i);
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_stprintf(Buffer,_T("%02X "),n);
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rConsole.Write(Buffer);
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if (i && (i%16 == 15))
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{ // if this is the last byte in line
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// Dump text representation
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for (DWORD j = i-15; j <= i; j += blnUnicodeDump?2:1)\
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{
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if ((j%8 == 0)&&(j%16 != 0))
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{ // this is the additional space between 7th and 8th byte in current line
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rConsole.Write(_T(" "));
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}
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ASSERT(i-j < 16);
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// write current char representation
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if (blnUnicodeDump)
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{
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ASSERT(j%2 == 0);
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wchar_t ch = *(TCHAR *)(pDataBuffer+j);
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_stprintf(Buffer,
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#ifdef _UNICODE
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_T("%c"),
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#else
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// g++ may print warnings here (warning: __wchar_t format, different type arg (arg 3))
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// %C in format string is a Microsoft extension.
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_T("%C"),
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#endif
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iswprint(ch)?ch:L'.');
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}
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else
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{
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unsigned char ch = *(pDataBuffer+j);
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_stprintf(Buffer,
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#ifdef _UNICODE
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// g++ may print warnings here (warning: __wchar_t format, different type arg (arg 3))
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// %C in format string is a Microsoft extension.
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_T("%C"),
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#else
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_T("%c"),
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#endif
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isprint(ch)?ch:'.');
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}
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rConsole.Write(Buffer);
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} // for
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} // if
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} // for
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// print text representation of last line if it is not full (it have less than 16 bytes)
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// k is pseudo offset
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for (DWORD k = i; k%16 != 0; k++)
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{
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if (k%8 == 0)
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{ // this is the additional space between 7th and 8th byte in current line
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rConsole.Write(_T(" "));
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}
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_tcscpy(Buffer,_T(" ")); // the replacement of two digit of current byte + spacing
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rConsole.Write(Buffer);
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if (k && (k%16 == 15))
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{ // if this is the last byte in line
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ASSERT((k-15)%16 == 0); // k-15 must point at begin of last line
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for (DWORD j = k-15; j < i; j += j += blnUnicodeDump?2:1)
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{
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if (blnUnicodeDump&&(j+1 >= i))
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{ // ok, buffer size is odd number, so we don't display last byte.
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ASSERT(j+1 == i);
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break;
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}
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if ((j%8 == 0)&&(j%16 != 0))
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{ // this is the additional space between 7th and 8th byte in current line
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rConsole.Write(_T(" "));
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}
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// write current char representation
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if (blnUnicodeDump)
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{
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ASSERT(j%2 == 0);
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wchar_t ch = *(TCHAR *)(pDataBuffer+j);
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_stprintf(Buffer,
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#ifdef _UNICODE
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_T("%c"),
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#else
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// g++ may print warnings here (warning: __wchar_t format, different type arg (arg 3))
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// %C in format string is a Microsoft extension.
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_T("%C"),
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#endif
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iswprint(ch)?ch:L'.');
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}
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else
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{
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unsigned char ch = *(pDataBuffer+j);
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_stprintf(Buffer,
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#ifdef _UNICODE
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// g++ may print warnings here (warning: __wchar_t format, different type arg (arg 3))
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// %C in format string is a Microsoft extension.
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_T("%C"),
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#else
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_T("%c"),
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#endif
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isprint(ch)?ch:'.');
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}
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rConsole.Write(Buffer);
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} // for
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} // if
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} // for
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} // default:
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rConsole.Write(_T("\n"));
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} // switch
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rConsole.Write(_T("\n"));
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if (pchFilename)
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{
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rConsole.Write(_T("Exporting value data to "));
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rConsole.Write(pchFilename);
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rConsole.Write(_T(" ...\n"));
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HANDLE hFile = CreateFile(pchFilename,GENERIC_WRITE,0,NULL,CREATE_NEW,FILE_ATTRIBUTE_NORMAL,NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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rConsole.Write(_T("Cannot create new file "));
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rConsole.Write(pchFilename);
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rConsole.Write(_T("\n"));
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goto SkipValueCommand;
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}
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DWORD dwBytesWritten;
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if (!WriteFile(hFile,pDataBuffer,dwValueSize,&dwBytesWritten,NULL))
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{
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rConsole.Write(_T("Error writting file.\n"));
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VERIFY(CloseHandle(hFile));
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goto SkipValueCommand;
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}
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ASSERT(dwBytesWritten == dwValueSize);
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VERIFY(CloseHandle(hFile));
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}
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}
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else
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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(nError,Buffer,10));
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rConsole.Write(_T("\n"));
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if (nError == ERROR_FILE_NOT_FOUND)
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{
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rConsole.Write(_T("(System cannot find the value specified)\n"));
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}
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}
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}
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SkipValueCommand:
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if (pDataBuffer)
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delete pDataBuffer;
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return 0;
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ValueCommandNAonRoot:
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rConsole.Write(VALUE_CMD COMMAND_NA_ON_ROOT);
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return 0;
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}
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const TCHAR * CShellCommandValue::GetHelpString()
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{
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return VALUE_CMD_SHORT_DESC
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_T("Syntax: ") VALUE_CMD _T(" [<PATH>][<VALUE_NAME>] [/u] [/?]\n\n")
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_T(" <PATH> - Optional relative path of key which value will be processed.\n")
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_T(" <VALUE_NAME> - Name of key's value. Default is key's default value.\n")
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_T(" /u - On binary dump view as Unicode.\n")
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_T(" /fFILE - Export value data to FILE.\n")
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_T(" /? - This help.\n\n")
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_T("Without parameters, command displays default value of current key.\n");
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}
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const TCHAR * CShellCommandValue::GetHelpShortDescriptionString()
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{
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return VALUE_CMD_SHORT_DESC;
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}
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