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author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/chroot.c | |
parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/router/busybox/chroot.c')
-rw-r--r-- | release/src/router/busybox/chroot.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/release/src/router/busybox/chroot.c b/release/src/router/busybox/chroot.c new file mode 100644 index 00000000..0440e46b --- /dev/null +++ b/release/src/router/busybox/chroot.c @@ -0,0 +1,75 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini chroot implementation for busybox + * + * + * Copyright (C) 1999,2000,2001 by Lineo, inc. + * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include "busybox.h" + +int chroot_main(int argc, char **argv) +{ + char *prog; + + if ((argc < 2) || (**(argv + 1) == '-')) { + show_usage(); + } + argc--; + argv++; + + if (chroot(*argv) || (chdir("/"))) { + perror_msg_and_die("cannot change root directory to %s", *argv); + } + + argc--; + argv++; + if (argc >= 1) { + prog = *argv; + execvp(*argv, argv); + } else { +#if defined(BB_SH) && defined BB_FEATURE_SH_STANDALONE_SHELL + char shell[] = "/bin/sh"; + char *shell_argv[2] = { shell, NULL }; + applet_name = shell; + shell_main(1, shell_argv); + return EXIT_SUCCESS; +#else + prog = getenv("SHELL"); + if (!prog) + prog = "/bin/sh"; + execlp(prog, prog, NULL); +#endif + } + perror_msg_and_die("cannot execute %s", prog); + +} + + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |