1 files changed, 32 insertions, 0 deletions
diff --git a/chroot.c b/chroot.c
new file mode 100644
index 0000000..ca0bfcf
--- /dev/null
+++ b/chroot.c
@@ -0,0 +1,32 @@
+#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";
+
+extern int
+chroot_main (struct FileInfo *i, int argc, char **argv)
+{
+  char *prog;
+
+  if (chroot (argv[1]))
+    {
+      name_and_error ("cannot chroot to that directory");
+      return 1;
+    }
+  if (argc > 2)
+    {
+      execvp (argv[2], argv + 2);
+    }
+  else
+    {
+      prog = getenv ("SHELL");
+      if (!prog)
+	prog = "/bin/sh";
+      execlp (prog, prog, NULL);
+    }
+  name_and_error ("cannot exec");
+  return 1;
+}