From 2cdcd0cf4004b2c0d1d3b891e381aac5735c21f1 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Tue, 27 Aug 2019 12:26:14 +0000 Subject: ipsec: Fix NULL encryption algorithm Type: fix Ticket: VPP-1756 the block-size was set to 0 resulting in incorrect placement of the ESP footer. add tests for NULL encrypt + integ. Change-Id: I8ab3afda8e68f9ff649540cba3f2cac68f12bbba Signed-off-by: Neale Ranns --- src/vnet/ipsec/ipsec.c | 7 +++++++ src/vnet/ipsec/ipsec_if.c | 3 ++- 2 files changed, 9 insertions(+), 1 deletion(-) (limited to 'src/vnet/ipsec') diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c index 388179976c7..9f3e1d36507 100644 --- a/src/vnet/ipsec/ipsec.c +++ b/src/vnet/ipsec/ipsec.c @@ -320,6 +320,13 @@ ipsec_init (vlib_main_t * vm) vec_validate (im->crypto_algs, IPSEC_CRYPTO_N_ALG - 1); + a = im->crypto_algs + IPSEC_CRYPTO_ALG_NONE; + a->enc_op_id = VNET_CRYPTO_OP_NONE; + a->dec_op_id = VNET_CRYPTO_OP_NONE; + a->alg = VNET_CRYPTO_ALG_NONE; + a->iv_size = 0; + a->block_size = 1; + a = im->crypto_algs + IPSEC_CRYPTO_ALG_DES_CBC; a->enc_op_id = VNET_CRYPTO_OP_DES_CBC_ENC; a->dec_op_id = VNET_CRYPTO_OP_DES_CBC_DEC; diff --git a/src/vnet/ipsec/ipsec_if.c b/src/vnet/ipsec/ipsec_if.c index 0b8f997dbd0..f7f8ec79323 100644 --- a/src/vnet/ipsec/ipsec_if.c +++ b/src/vnet/ipsec/ipsec_if.c @@ -238,7 +238,8 @@ ipsec_tunnel_feature_set (ipsec_main_t * im, ipsec_tunnel_if_t * t, u8 enable) ipsec_sa_t *sa; sa = ipsec_sa_get (t->output_sa_index); - if (sa->crypto_alg == IPSEC_CRYPTO_ALG_NONE) + if (sa->crypto_alg == IPSEC_CRYPTO_ALG_NONE && + sa->integ_alg == IPSEC_INTEG_ALG_NONE) { esp4_feature_index = im->esp4_no_crypto_tun_feature_index; esp6_feature_index = im->esp6_no_crypto_tun_feature_index; -- cgit 1.2.3-korg