From a8d476468d6dad10f0d55423eded2a2a065f8478 Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Fri, 13 Jul 2018 11:22:23 -0400 Subject: [PATCH] VPP-1338: fix ipsec api coverity warnings Remove useless unsigned comparisions: "(unsigned) value < 0", correct a couple of incorrect limit checks. Change-Id: I9606c4057df157f770d59535457cb9df1cfd1f35 Signed-off-by: Dave Barach --- src/vat/api_format.c | 12 ++++-------- src/vnet/ipsec/ipsec_api.c | 7 +++---- 2 files changed, 7 insertions(+), 12 deletions(-) diff --git a/src/vat/api_format.c b/src/vat/api_format.c index 9ee74aa9d37..647277315e8 100644 --- a/src/vat/api_format.c +++ b/src/vat/api_format.c @@ -15128,8 +15128,7 @@ api_ipsec_sad_add_del_entry (vat_main_t * vam) if (unformat (i, "crypto_alg %U", unformat_ipsec_crypto_alg, &crypto_alg)) { - if (crypto_alg < IPSEC_CRYPTO_ALG_NONE || - crypto_alg >= IPSEC_CRYPTO_N_ALG) + if (crypto_alg >= IPSEC_CRYPTO_N_ALG) { clib_warning ("unsupported crypto-alg: '%U'", format_ipsec_crypto_alg, crypto_alg); @@ -15142,8 +15141,7 @@ api_ipsec_sad_add_del_entry (vat_main_t * vam) if (unformat (i, "integ_alg %U", unformat_ipsec_integ_alg, &integ_alg)) { - if (integ_alg < IPSEC_INTEG_ALG_NONE || - integ_alg >= IPSEC_INTEG_N_ALG) + if (integ_alg >= IPSEC_INTEG_N_ALG) { clib_warning ("unsupported integ-alg: '%U'", format_ipsec_integ_alg, integ_alg); @@ -15300,8 +15298,7 @@ api_ipsec_tunnel_if_add_del (vat_main_t * vam) if (unformat (i, "crypto_alg %U", unformat_ipsec_crypto_alg, &crypto_alg)) { - if (crypto_alg < IPSEC_CRYPTO_ALG_NONE || - crypto_alg >= IPSEC_CRYPTO_N_ALG) + if (crypto_alg >= IPSEC_CRYPTO_N_ALG) { errmsg ("unsupported crypto-alg: '%U'\n", format_ipsec_crypto_alg, crypto_alg); @@ -15312,8 +15309,7 @@ api_ipsec_tunnel_if_add_del (vat_main_t * vam) if (unformat (i, "integ_alg %U", unformat_ipsec_integ_alg, &integ_alg)) { - if (integ_alg < IPSEC_INTEG_ALG_NONE || - integ_alg >= IPSEC_INTEG_N_ALG) + if (integ_alg >= IPSEC_INTEG_N_ALG) { errmsg ("unsupported integ-alg: '%U'\n", format_ipsec_integ_alg, integ_alg); diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c index fc7d481ecb1..8ea47b7ebe1 100644 --- a/src/vnet/ipsec/ipsec_api.c +++ b/src/vnet/ipsec/ipsec_api.c @@ -194,8 +194,7 @@ static void vl_api_ipsec_sad_add_del_entry_t_handler sa.spi = ntohl (mp->spi); sa.protocol = mp->protocol; /* check for unsupported crypto-alg */ - if (mp->crypto_algorithm < IPSEC_CRYPTO_ALG_NONE || - mp->crypto_algorithm >= IPSEC_CRYPTO_N_ALG) + if (mp->crypto_algorithm >= IPSEC_CRYPTO_N_ALG) { clib_warning ("unsupported crypto-alg: '%U'", format_ipsec_crypto_alg, mp->crypto_algorithm); @@ -527,7 +526,7 @@ vl_api_ipsec_tunnel_if_set_key_t_handler (vl_api_ipsec_tunnel_if_set_key_t * case IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO: case IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO: if (mp->alg < IPSEC_CRYPTO_ALG_AES_CBC_128 || - mp->alg > IPSEC_CRYPTO_N_ALG) + mp->alg >= IPSEC_CRYPTO_N_ALG) { rv = VNET_API_ERROR_UNIMPLEMENTED; goto out; @@ -535,7 +534,7 @@ vl_api_ipsec_tunnel_if_set_key_t_handler (vl_api_ipsec_tunnel_if_set_key_t * break; case IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG: case IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG: - if (mp->alg > IPSEC_INTEG_N_ALG) + if (mp->alg >= IPSEC_INTEG_N_ALG) { rv = VNET_API_ERROR_UNIMPLEMENTED; goto out; -- 2.16.6