*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config CHROOT
+//config: bool "chroot (3.7 kb)"
+//config: default y
+//config: help
+//config: chroot is used to change the root directory and run a command.
+//config: The default command is '/bin/sh'.
+
+//applet:IF_CHROOT(APPLET_NOEXEC(chroot, chroot, BB_DIR_USR_SBIN, BB_SUID_DROP, chroot))
+
+//kbuild:lib-$(CONFIG_CHROOT) += chroot.o
/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+//usage:#define chroot_trivial_usage
+//usage: "NEWROOT [PROG ARGS]"
+//usage:#define chroot_full_usage "\n\n"
+//usage: "Run PROG with root directory set to NEWROOT"
+//usage:
+//usage:#define chroot_example_usage
+//usage: "$ ls -l /bin/ls\n"
+//usage: "lrwxrwxrwx 1 root root 12 Apr 13 00:46 /bin/ls -> /BusyBox\n"
+//usage: "# mount /dev/hdc1 /mnt -t minix\n"
+//usage: "# chroot /mnt\n"
+//usage: "# ls -l /bin/ls\n"
+//usage: "-rwxr-xr-x 1 root root 40816 Feb 5 07:45 /bin/ls*\n"
+
#include "libbb.h"
int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
++argv;
if (!*argv)
bb_show_usage();
+
xchroot(*argv);
- xchdir("/");
++argv;
if (!*argv) { /* no 2nd param (PROG), use shell */