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[GNUnet-SVN] [gnunet] branch master updated: assert block length is vali
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gnunet |
Subject: |
[GNUnet-SVN] [gnunet] branch master updated: assert block length is valid |
Date: |
Sun, 24 Jun 2018 23:27:42 +0200 |
This is an automated email from the git hooks/post-receive script.
martin-schanzenbach pushed a commit to branch master
in repository gnunet.
The following commit(s) were added to refs/heads/master by this push:
new 1c47189bb assert block length is valid
1c47189bb is described below
commit 1c47189bb16bffe75dec2c3c666e39790841aa84
Author: Schanzenbach, Martin <address@hidden>
AuthorDate: Sun Jun 24 23:27:39 2018 +0200
assert block length is valid
---
src/namecache/namecache_api.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/namecache/namecache_api.c b/src/namecache/namecache_api.c
index 2bb233da1..2a60a2813 100644
--- a/src/namecache/namecache_api.c
+++ b/src/namecache/namecache_api.c
@@ -483,9 +483,11 @@ GNUNET_NAMECACHE_block_cache (struct
GNUNET_NAMECACHE_Handle *h,
if (NULL == h->mq)
return NULL;
- blen = ntohl (block->purpose.size)
- - sizeof (struct GNUNET_TIME_AbsoluteNBO)
- - sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose);
+ blen = ntohl (block->purpose.size);
+ GNUNET_assert (blen > (sizeof (struct GNUNET_TIME_AbsoluteNBO) +
+ sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose)));
+ blen -= (sizeof (struct GNUNET_TIME_AbsoluteNBO) +
+ sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose));
rid = get_op_id (h);
qe = GNUNET_new (struct GNUNET_NAMECACHE_QueueEntry);
qe->nsh = h;
--
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