diff options
| author |   Neale Ranns <nranns@cisco.com> | 2019-08-01 04:45:15 -0700 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2019-08-01 18:04:42 +0000 |
| commit | 3b9374fa57218c72306d372167724e88ef7d57be (patch) | |
| tree | 5387c6d7f191671e180041ad081510da6601b2a4 /src/vnet/ipsec/ah_decrypt.c | |
| parent | 55c68c9521d98005ce850ee54a40c7579d88928b (diff) | |
ipsec: Redo the anit-replay check post decrypt
Type: fix
Change-Id: I1fa8c5326d6f22cfb8dd40e97d8a22d11a716922
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ipsec/ah_decrypt.c')
| -rw-r--r-- | src/vnet/ipsec/ah_decrypt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vnet/ipsec/ah_decrypt.c b/src/vnet/ipsec/ah_decrypt.c index bc6b5c4ec9d..bbe6b647c52 100644 --- a/src/vnet/ipsec/ah_decrypt.c +++ b/src/vnet/ipsec/ah_decrypt.c @@ -303,6 +303,13 @@ ah_decrypt_inline (vlib_main_t * vm, if (PREDICT_TRUE (sa0->integ_alg != IPSEC_INTEG_ALG_NONE)) { + /* redo the anit-reply check. see esp_decrypt for details */ + if (ipsec_sa_anti_replay_check (sa0, pd->seq)) + { + b[0]->error = node->errors[AH_DECRYPT_ERROR_REPLAY]; + next[0] = AH_DECRYPT_NEXT_DROP; + goto trace; + } ipsec_sa_anti_replay_advance (sa0, pd->seq); } |