X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fformat.c;h=ee730bd1c28c62a10e33c9345b4fb60e0554f5de;hb=refs%2Fchanges%2F18%2F18518%2F3;hp=79a4d6866db9d2f1a647b4ce771c2ec6b9a1ec4b;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git

diff --git a/src/vlib/format.c b/src/vlib/format.c
index 79a4d6866db..ee730bd1c28 100644
--- a/src/vlib/format.c
+++ b/src/vlib/format.c
@@ -187,6 +187,30 @@ done:
   return p != 0;
 }
 
+/* Parse a filename to dump debug info */
+uword
+unformat_vlib_tmpfile (unformat_input_t * input, va_list * args)
+{
+  u8 **chroot_filename = va_arg (*args, u8 **);
+  u8 *filename;
+
+  if (!unformat (input, "%s", &filename))
+    return 0;
+
+  /* Brain-police user path input */
+  if (strstr ((char *) filename, "..") || index ((char *) filename, '/'))
+    {
+      vec_free (filename);
+      return 0;
+    }
+
+  *chroot_filename = format (0, "/tmp/%s%c", filename, 0);
+  vec_free (filename);
+
+  return 1;
+}
+
+
 /*
  * fd.io coding-style-patch-verification: ON
  *