From e44cf42f362d793c47d892a18a6853d88abd6ecb Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Sat, 13 Nov 2010 14:54:52 +0000
Subject: [PATCH] inspect: Refuse to download software hive if it is huge.

---
 src/inspect.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/inspect.c b/src/inspect.c
index d0041c8..bd6d189 100644
--- a/src/inspect.c
+++ b/src/inspect.c
@@ -950,6 +950,14 @@ check_windows_registry (guestfs_h *g, struct inspect_fs *fs)
   hive_h *h = NULL;
   hive_value_h *values = NULL;
 
+  /* Security: Refuse to download registry if it is huge. */
+  int64_t size = guestfs_filesize (g, software_path);
+  if (size == -1 || size > 100000000) {
+    error (g, _("size of %s unreasonable (%" PRIi64 " bytes)"),
+           software_path, size);
+    goto out;
+  }
+
   if (mkdtemp (dir) == NULL) {
     perrorf (g, "mkdtemp");
     goto out;
-- 
1.8.3.1