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authorAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
commit008d0be72b2f160382c6e880765e96b64a050c65 (patch)
tree36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/chroot.c
parent611becfb8726c60cb060368541ad98191d4532f5 (diff)
downloadtomato-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.c75
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:
+*/