Add 'realpath' command.

1 files changed, 47 insertions, 0 deletions

diff --git a/daemon/realpath.c b/daemon/realpath.c
new file mode 100644
index 00000000..9ab478d2
--- /dev/null
+++ b/daemon/realpath.c
@@ -0,0 +1,47 @@
+/* libguestfs - the guestfsd daemon
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+
+#include "daemon.h"
+#include "actions.h"
+
+char *
+do_realpath (char *path)
+{
+  char *ret;
+
+  NEED_ROOT (NULL);
+  ABS_PATH (path, NULL);
+
+  CHROOT_IN;
+  ret = realpath (path, NULL);
+  CHROOT_OUT;
+  if (ret == NULL) {
+    reply_with_perror ("realpath");
+    return NULL;
+  }
+
+  return ret;			/* caller frees */
+}