From: xrs <xrs@mail36.net>
Date: Sun, 17 Dec 2017 17:31:36 +0000 (+0100)
Subject: make gnunet-service-peerinfo unlink HELLOs greater than the allowed GNUNET_MAX_MESSAG... 
X-Git-Tag: gnunet-0.11.0rc0~92
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2492acd4208bf14bf7747d235cfb9971f2cfbf99;p=oweals%2Fgnunet.git

make gnunet-service-peerinfo unlink HELLOs greater than the allowed GNUNET_MAX_MESSAGE_SIZE
---

diff --git a/src/peerinfo/gnunet-service-peerinfo.c b/src/peerinfo/gnunet-service-peerinfo.c
index 731c24bf1..af1eb2d1d 100644
--- a/src/peerinfo/gnunet-service-peerinfo.c
+++ b/src/peerinfo/gnunet-service-peerinfo.c
@@ -987,9 +987,13 @@ discard_hosts_helper (void *cls,
   int write_pos;
   unsigned int cnt;
   char *writebuffer;
+  uint64_t fsize;
 
+  GNUNET_DISK_file_size (fn, &fsize, GNUNET_YES, GNUNET_YES);
   read_size = GNUNET_DISK_fn_read (fn, buffer, sizeof (buffer));
-  if (read_size < (int) sizeof (struct GNUNET_MessageHeader))
+
+  if ((read_size < (int) sizeof (struct GNUNET_MessageHeader)) ||
+      (fsize > GNUNET_MAX_MESSAGE_SIZE))
   {
     if (0 != UNLINK (fn))
       GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING |