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/***************************************************************************
smb4k_kill - This is the kill utility for Smb4K.
-------------------
begin : So Sep 26 2004
copyright : (C) 2004-2007 by Alexander Reinholdt
email : [email protected]
***************************************************************************/
/***************************************************************************
* This program is free software; you can redistribute it and/or modify *
* it under 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. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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., 51 Franklin Street, Fifth Floor, Boston, *
* MA 02110-1301 USA *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <locale.h>
#include <unistd.h>
#include <getopt.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <iostream>
using namespace std;
#define SMB4K_KILL_VERSION "0.7"
void info()
{
cout << "This is smb4k_kill (version " << SMB4K_KILL_VERSION << "), the kill utility of Smb4K" << endl;
cout << "Copyright (C) 2004-2007, Alexander Reinholdt" << endl;
cout << endl;
cout << "Usage:" << endl;
cout << " smb4k_kill {pid}" << endl;
cout << " smb4k_kill --help" << endl;
cout << " smb4k_kill --version" << endl;
cout << endl;
cout << "Arguments:" << endl;
cout << " {pid}\t\tThe ID of the process that should be terminated." << endl;
cout << endl;
cout << " --help\tDisplay this help screen and exit." << endl;
cout << " --version\tDisplay the version information and exit." << endl;
cout << endl;
}
void version()
{
cout << "Version: " << SMB4K_KILL_VERSION << endl;
}
bool find_program( const char *name, char *path )
{
const char *paths[] = { "/bin/", "/sbin/", "/usr/bin/", "/usr/sbin/", "/usr/local/bin/", "/usr/local/sbin/" };
string file = "";
for ( uint i = 0; i < sizeof( paths ) / sizeof( char * ); i++ )
{
string p( paths[i] );
p.append( name );
if ( access( p.c_str(), X_OK ) == 0 )
{
file.assign( p );
break;
}
}
if ( !strcmp( file.c_str(), "" ) )
{
cerr << "smb4k_kill: Could not find " << name << " binary" << endl;
return false;
}
int len = strlen( file.c_str() ) + 1;
(void) strncpy( path, file.c_str(), len );
path[len-1] = '\0';
return true;
}
int main( int argc, char *argv[], char *envp[] )
{
// Set the locale:
(void) setlocale( LC_ALL, "" );
if ( argc < 2 )
{
info();
exit( EXIT_FAILURE );
}
int new_argc = argc + 1;
char *new_argv[new_argc];
int index = 0;
char path[255];
path[0] = '\0';
// Get the options that were passed.
int c;
while ( 1 )
{
int option_index = 0;
static struct option long_options[] =
{
{ "help", 0, 0, 0 },
{ "version", 0, 0, 0 },
{ 0, 0, 0, 0 }
};
c = getopt_long( argc, argv, "", long_options, &option_index );
if ( c == -1 )
{
break;
}
switch ( c )
{
case 0:
{
// Copy the option:
int len = strlen( long_options[option_index].name ) + 1;
char opt[len];
opt[0] = '\0';
(void) strncpy( opt, long_options[option_index].name, len );
opt[len-1] = '\0';
// Now check which option has been provided:
if ( !strncmp( opt, "help", len ) )
{
info();
exit( EXIT_SUCCESS );
}
else if ( !strncmp( opt, "version", len ) )
{
version();
exit( EXIT_SUCCESS );
}
else
{
break;
}
break;
}
case '?':
{
// Abort the program if an unknown option
// is encountered:
exit( EXIT_FAILURE );
}
default:
{
break;
}
}
}
if ( !find_program( "kill", path ) )
{
exit( EXIT_FAILURE );
}
int len = strlen( path ) + 1;
new_argv[index] = new char[len];
new_argv[index][0] = '\0';
(void) strncpy( new_argv[index], path, len );
new_argv[index][len-1] = '\0';
index++;
if ( optind < argc )
{
while ( optind < argc )
{
len = strlen( argv[optind] ) + 1;
new_argv[index] = new char[len];
new_argv[index][0] = '\0';
(void) strncpy( new_argv[index], argv[optind], len );
new_argv[index][len-1] = '\0';
optind++;
index++;
}
}
if ( index >= new_argc )
{
cerr << "smb4k_kill: There are too many arguments" << endl;
exit( EXIT_FAILURE );
}
// Terminate the new argv:
new_argv[index] = NULL;
// Execute command:
if ( execve( new_argv[0], new_argv, envp ) == -1 )
{
int err = errno;
cerr << "smb4k_kill: " << strerror( err ) << endl;
exit( EXIT_FAILURE );
}
return EXIT_SUCCESS;
}
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