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authorSchanzenbach, Martin <martin.schanzenbach@aisec.fraunhofer.de>2018-06-24 23:27:39 +0200
committerSchanzenbach, Martin <martin.schanzenbach@aisec.fraunhofer.de>2018-06-24 23:27:39 +0200
commit1c47189bb16bffe75dec2c3c666e39790841aa84 (patch)
tree19b9e77285f70b900e8e0d1c7aed18eb853dfb21
parent92e03f9117f5dc29909d73707897d28d8e27e048 (diff)
downloadgnunet-1c47189bb16bffe75dec2c3c666e39790841aa84.tar.gz
gnunet-1c47189bb16bffe75dec2c3c666e39790841aa84.zip
assert block length is valid
-rw-r--r--src/namecache/namecache_api.c8
1 files 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,
483 483
484 if (NULL == h->mq) 484 if (NULL == h->mq)
485 return NULL; 485 return NULL;
486 blen = ntohl (block->purpose.size) 486 blen = ntohl (block->purpose.size);
487 - sizeof (struct GNUNET_TIME_AbsoluteNBO) 487 GNUNET_assert (blen > (sizeof (struct GNUNET_TIME_AbsoluteNBO) +
488 - sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose); 488 sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose)));
489 blen -= (sizeof (struct GNUNET_TIME_AbsoluteNBO) +
490 sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose));
489 rid = get_op_id (h); 491 rid = get_op_id (h);
490 qe = GNUNET_new (struct GNUNET_NAMECACHE_QueueEntry); 492 qe = GNUNET_new (struct GNUNET_NAMECACHE_QueueEntry);
491 qe->nsh = h; 493 qe->nsh = h;