From 2b69c40e8060934c115922c012737bd471956f09 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Tue, 5 Oct 1999 22:58:32 +0000
Subject: More stuff works.  -Erik

---
 chroot.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 53 insertions(+), 20 deletions(-)

(limited to 'chroot.c')

diff --git a/chroot.c b/chroot.c
index ca0bfcf3f..d39549496 100644
--- a/chroot.c
+++ b/chroot.c
@@ -1,32 +1,65 @@
+/*
+ * Mini chroot implementation for busybox
+ *
+ * Copyright (C) 1998 by Erik Andersen <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 "internal.h"
 #include <stdio.h>
 #include <unistd.h>
 
 
-const char chroot_usage[] = "chroot directory [command]\n"
-  "Run a command with special root directory.\n";
+static const char chroot_usage[] = "NEWROOT [COMMAND...]\n"
+"Run COMMAND with root directory set to NEWROOT.\n";
+
+
 
-extern int
-chroot_main (struct FileInfo *i, int argc, char **argv)
+int chroot_main(int argc, char **argv)
 {
-  char *prog;
+    if (argc < 2) {
+	fprintf(stderr, "Usage: %s %s", *argv, chroot_usage);
+	return( FALSE);
+    }
+    argc--;
+    argv++;
 
-  if (chroot (argv[1]))
-    {
-      name_and_error ("cannot chroot to that directory");
-      return 1;
+    fprintf(stderr, "new root: %s\n", *argv);
+    
+    if (chroot (*argv) || (chdir ("/"))) {
+	perror("cannot chroot");
+	return( FALSE);
     }
-  if (argc > 2)
-    {
-      execvp (argv[2], argv + 2);
+
+    argc--;
+    argv++;
+    if (argc >= 1) {
+	fprintf(stderr, "command: %s\n", *argv);
+	execvp (*argv, argv);
     }
-  else
-    {
-      prog = getenv ("SHELL");
-      if (!prog)
-	prog = "/bin/sh";
-      execlp (prog, prog, NULL);
+    else {
+	char *prog;
+	prog = getenv ("SHELL");
+	if (!prog)
+	    prog = "/bin/sh";
+	fprintf(stderr, "no command. running: %s\n", prog);
+	execlp (prog, prog, NULL);
     }
-  name_and_error ("cannot exec");
-  return 1;
+    perror("cannot exec");
+    return(FALSE);
 }
+
-- 
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