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tripwire-open-source/src/tripwire/tripwiremain.cpp

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//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000-2017 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
// reserved.
//
// This program is free software. The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version. You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
//
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE. Please see the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
//
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
// tripwiremain.cpp
#include "stdtripwire.h"
#include "core/debug.h"
#include "core/error.h"
#include "tw/twinit.h"
#include "tw/twutil.h"
#include "twcmdline.h"
#include "core/cmdlineparser.h"
#include "tw/configfile.h"
#include "core/errorbucketimpl.h"
#include "core/usernotifystdout.h"
#include "core/timebomb.h"
#include <memory> // for auto_ptr / unique_ptr
#include <iostream>
#include <exception>
#include "tw/twstrings.h"
#include "tripwirestrings.h"
#include "tripwire.h" // package initialization
#include "fco/fcogenre.h"
#include "fco/genreswitcher.h"
#include "core/unixfsservices.h"
#include <unistd.h>
static TSTRING util_GetWholeCmdLine( int argc, const TCHAR *argv[] );
///////////////////////////////////////////////////////////////////////////////
// global new() and delete() overrides -- this is done to do performance testing
///////////////////////////////////////////////////////////////////////////////
/*
#ifdef DEBUG
#if defined(HAVE_MALLOC_H)
#include <malloc.h>
#endif
static int32 gCurAlloc=0,
gMaxAlloc=0;
void* operator new(size_t size)
{
gCurAlloc += size;
if(gCurAlloc > gMaxAlloc)
gMaxAlloc = gCurAlloc;
return malloc(size);
}
void operator delete(void* addr)
{
gCurAlloc -= 4;
free (addr);
}
#endif //_DEBUG
*/
///////////////////////////////////////////////////////////////////////////////
// terminate and unexpected handlers
// TODO: move these to a common library
///////////////////////////////////////////////////////////////////////////////
void tw_terminate_handler()
{
fputs("### Internal Error.\n### Terminate Handler called.\n### Exiting...\n", stderr);
_exit(8);
}
void tw_unexpected_handler()
{
fputs("### Internal Error.\n### Unexpected Exception Handler called.\n### Exiting...\n", stderr);
_exit(8);
}
///////////////////////////////////////////////////////////////////////////////
// main
///////////////////////////////////////////////////////////////////////////////
int __cdecl _tmain( int argc, const TCHAR* argv[ ], const TCHAR* envp[ ] )
{
if (TimeBombExploded())
return 8;
int ret = 0;
cTWInit twInit;
try
{
// set unexpected and terminate handlers
// Note: we do this before Init() in case it attempts to call these handlers
// TODO: move this into the Init() routine
EXCEPTION_NAMESPACE set_terminate(tw_terminate_handler);
EXCEPTION_NAMESPACE set_unexpected(tw_unexpected_handler);
// Initialization
//
twInit.Init( argv[0] );
TSS_Dependency( cTripwire );
// set up the debug output
cDebug::SetDebugLevel( cDebug::D_DEBUG/*D_DETAIL*//*D_NEVER*/ );
// first, get the right mode...
TW_UNIQUE_PTR<iTWMode> pMode(cTWCmdLine::GetMode(argc, argv));
if(! pMode.get())
{
// no valid mode passed; GetMode will display an appropriate string (include usage statement)
ret = 8;
goto exit;
}
// if version was requested, output version string and exit
if (pMode.get()->GetModeID() == cTWCmdLine::MODE_VERSION)
{
TCOUT << TSS_GetString( cTW, tw::STR_VERSION_LONG) << std::endl;
ret = 0;
goto exit;
}
// process the command line
cCmdLineParser cmdLine;
pMode->InitCmdLineParser(cmdLine);
try
{
cmdLine.Parse(argc, argv);
}
catch( eError& e )
{
cTWUtil::PrintErrorMsg(e);
TCERR << TSS_GetString( cTW, tw::STR_GET_HELP) << std::endl;
ret = 8;
goto exit;
}
TSTRING commandLine = util_GetWholeCmdLine( argc, argv );
// erase the command line
// TODO: it might be a good idea to move this to cTWUtil
int i;
for (i = 1; i < argc; ++i)
memset((char*)argv[i], 0, strlen(argv[i])*sizeof(TCHAR));
cCmdLineIter iter(cmdLine);
if (iter.SeekToArg(cTWCmdLine::HELP))
{
TCOUT << TSS_GetString( cTripwire, tripwire::STR_TRIPWIRE_VERSION) << std::endl;
TCOUT << TSS_GetString( cTW, tw::STR_VERSION) << std::endl;
//
//Since --help was passed, exit after emitting a mode-specific usage statement.
TCOUT << pMode->GetModeUsage();
ret = 8;
goto exit;
}
if (iter.SeekToArg(cTWCmdLine::VERBOSE))
{
TCOUT << TSS_GetString( cTW, tw::STR_VERSION) << std::endl;
}
// open up the config file, possibly using the passed in path
cConfigFile config;
TSTRING strConfigFile;
cErrorReporter errorReporter;
if( pMode->GetModeID() != cTWCmdLine::MODE_HELP )
{
try
{
//open cfg file
cTWUtil::OpenConfigFile(config, cmdLine, cTWCmdLine::CFG_FILE, errorReporter, strConfigFile);
}
catch (eError& error)
{
TSTRING extra;
extra += TSS_GetString( cTW, tw::STR_NEWLINE);
extra += TSS_GetString( cTW, tw::STR_ERR_TWCFG_CANT_READ);
cTWUtil::PrintErrorMsg( error, extra );
ret = 8;
goto exit;
}
}
// ok, now we can initialize the mode object and have it execute
pMode->SetCmdLine( commandLine );
pMode->SetConfigFile( strConfigFile );
if(! pMode->Init(config, cmdLine))
{
TCERR << TSS_GetString( cTW, tw::STR_GET_HELP) << std::endl;
ret = 8;
goto exit;
}
ret = pMode->Execute(&twInit.errorQueue);
}//end try block
catch (eError& error)
{
cTWUtil::PrintErrorMsg(error);
ASSERT(false);
ret = 8;
}
catch (std::bad_alloc& e)
{
// Note: We use fputs rather than TCERR as it will probably require the
// least amount of memory to do its thing. If we ran out of memory we
// need to do everything we can to get this string out to the user.
fputs("*** Fatal exception: Out of memory\n", stderr);
fputs("*** Exiting...\n", stderr);
ret = 8;
}
catch (std::exception& e)
{
TCERR << _T("*** Fatal exception: ");
std::cerr << e.what() << std::endl;
TCERR << _T("*** Exiting...\n");
ret = 8;
}
catch (...)
{
TCERR << _T("*** Fatal exception occurred.\n");
TCERR << _T("*** Exiting...\n");
ret = 8;
}
exit:
// print out the max memory usage...
/*
#ifdef DEBUG
TCOUT << _T("Maximum memory footprint = ") << gMaxAlloc << std::endl;
#endif
*/
return ret;
} //end MAIN
static TSTRING util_GetWholeCmdLine( int argc, const TCHAR *argv[] )
{
TSTRING tstrRet;
bool wipeNextItem = false;
for( int i = 0; i < argc; i++ )
{
if (wipeNextItem)
{
tstrRet += _T("***** ");
wipeNextItem = false;
}
else
{
tstrRet += argv[i];
tstrRet += _T(" ");
// Passwords passed on the command line are not saved
if (_tcsncmp(argv[i], _T("-P"), 2) == 0 ||
_tcsncmp(argv[i], _T("-Q"), 2) == 0 ||
_tcscmp(argv[i], _T("--local-passphrase")) == 0 ||
_tcscmp(argv[i], _T("--site-passphrase")) == 0)
{
wipeNextItem = true;
}
}
}
return( tstrRet );
}
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