Mercurial > hg > toybox
view toys/other/chroot.c @ 1005:03f72b57a092
DHCP client and server, from Ashwini Sharma.
author | Rob Landley <rob@landley.net> |
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date | Wed, 14 Aug 2013 19:09:33 -0500 |
parents | 144d5ba7d410 |
children | cbb1aca81eca |
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/* chroot.c - Run command in new root directory. * * Copyright 2007 Rob Landley <rob@landley.net> USE_CHROOT(NEWTOY(chroot, "^<1", TOYFLAG_USR|TOYFLAG_SBIN)) config CHROOT bool "chroot" default y help usage: chroot NEWPATH [commandline...] Run command within a new root directory. If no command, run /bin/sh. */ #include "toys.h" void chroot_main(void) { char *binsh[] = {"/bin/sh", "-i", 0}; if (chdir(*toys.optargs) || chroot(".")) perror_exit("%s", *toys.optargs); if (toys.optargs[1]) xexec_optargs(1); else xexec(binsh); }