1 files changed, 37 insertions, 0 deletions

diff --git a/coreutils/chroot.c b/coreutils/chroot.c
new file mode 100644
index 000000000..62cfdc244
--- /dev/null
+++ b/coreutils/chroot.c
@@ -0,0 +1,37 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini chroot implementation for busybox
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+
+#include "busybox.h"
+
+int chroot_main(int argc, char **argv)
+{
+        if (argc < 2) {
+                bb_show_usage();
+        }
+
+        ++argv;
+        if (chroot(*argv)) {
+                bb_perror_msg_and_die("cannot change root directory to %s", *argv);
+        }
+        xchdir("/");
+
+        ++argv;
+        if (argc == 2) {
+                argv -= 2;
+                if (!(*argv = getenv("SHELL"))) {
+                        *argv = (char *) DEFAULT_SHELL;
+                }
+                argv[1] = (char *) "-i";
+        }
+
+        execvp(*argv, argv);
+        bb_perror_msg_and_die("cannot execute %s", *argv);
+}