[dev] [PATCH] sbase: add chroot

From: Strake <strake888_AT_gmail.com>
Date: Wed, 1 Aug 2012 09:50:09 -0500

diff -r 8cf300476909 chroot.8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/chroot.8 Wed Aug 01 04:46:43 2012 -0500
_AT_@ -0,0 +1,25 @@
+.TH CHROOT 8
+.SH NAME
+chroot \- change root directory
+.SH SYNOPSIS
+.B chroot
+.I path
+[
+.I x
+[
+.I argument ...
+]
+]
+.SH OPERATION
+.B chroot
+changes the root directory to
+.I path
+and starts
+.I x
+with
+.I arguments
+, or
+.B $SHELL -i
+if no
+.I x
+given.
diff -r 8cf300476909 chroot.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/chroot.c Wed Aug 01 04:46:43 2012 -0500
_AT_@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "util.h"
+
+int main (int argc, char *argu[]) {
+ if (argc < 2) {
+ fputs ("No new root path given\n", stderr);
+ exit (1);
+ }
+ if (chroot (argu[1])) eprintf ("chroot:");
+ if (argc == 2) {
+ char *x;
+ x = getenv ("SHELL");
+ if (!x) {
+ fputs ("chroot: SHELL not set\n", stderr);
+ return 1;
+ }
+ if (execl (x, x, "-i", (char *)0) < 0) eprintf ("chroot: %s:", x);
+ }
+ else if (execv (argu[2], argu + 2) < 0) eprintf ("chroot: %s:", argu[2]);
+}
Received on Wed Aug 01 2012 - 16:50:09 CEST