busybox: imported from http://www.busybox.net/downloads/busybox-1.13.3.tar.bz2busybox-1.13.3

Signed-off-by: Bjørn Mork <bjorn@mork.no>

1 files changed, 37 insertions, 0 deletions

diff --git a/coreutils/chroot.c b/coreutils/chroot.c
new file mode 100644
index 0000000..1198a41
--- /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 "libbb.h"
+
+int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int chroot_main(int argc, char **argv)
+{
+	if (argc < 2) {
+		bb_show_usage();
+	}
+
+	++argv;
+	xchroot(*argv);
+	xchdir("/");
+
+	++argv;
+	if (argc == 2) {
+		argv -= 2;
+		argv[0] = getenv("SHELL");
+		if (!argv[0]) {
+			argv[0] = (char *) DEFAULT_SHELL;
+		}
+		argv[1] = (char *) "-i";
+	}
+
+	BB_EXECVP(*argv, argv);
+	bb_perror_msg_and_die("cannot execute %s", *argv);
+}