[src/trunk]: src/sys/netipsec Fix that ah_algorithm_lookup and esp_algorithm_...

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a30c6d8f3fc0
branches:  trunk
changeset: 823113:a30c6d8f3fc0
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Apr 13 01:32:57 2017 +0000

description:
Fix that ah_algorithm_lookup and esp_algorithm_lookup don't handle some algorithms

Unrelated upper limit values, AH_ALG_MAX and ESP_ALG_MAX, prevented some
algorithms from being looked up.

diffstat:

 sys/netipsec/xform_ah.c  |  7 +++----
 sys/netipsec/xform_esp.c |  7 +++----
 2 files changed, 6 insertions(+), 8 deletions(-)

diffs (56 lines):

diff -r 1c7bd94f0afa -r a30c6d8f3fc0 sys/netipsec/xform_ah.c
--- a/sys/netipsec/xform_ah.c   Thu Apr 13 01:24:34 2017 +0000
+++ b/sys/netipsec/xform_ah.c   Thu Apr 13 01:32:57 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: xform_ah.c,v 1.45 2017/04/06 09:20:07 ozaki-r Exp $    */
+/*     $NetBSD: xform_ah.c,v 1.46 2017/04/13 01:32:57 ozaki-r Exp $    */
 /*     $FreeBSD: src/sys/netipsec/xform_ah.c,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $   */
 /*     $OpenBSD: ip_ah.c,v 1.63 2001/06/26 06:18:58 angelos Exp $ */
 /*
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xform_ah.c,v 1.45 2017/04/06 09:20:07 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xform_ah.c,v 1.46 2017/04/13 01:32:57 ozaki-r Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -130,8 +130,7 @@
 const struct auth_hash *
 ah_algorithm_lookup(int alg)
 {
-       if (alg >= AH_ALG_MAX)
-               return NULL;
+
        switch (alg) {
        case SADB_X_AALG_NULL:
                return &auth_hash_null;
diff -r 1c7bd94f0afa -r a30c6d8f3fc0 sys/netipsec/xform_esp.c
--- a/sys/netipsec/xform_esp.c  Thu Apr 13 01:24:34 2017 +0000
+++ b/sys/netipsec/xform_esp.c  Thu Apr 13 01:32:57 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: xform_esp.c,v 1.48 2017/04/10 14:19:22 christos Exp $  */
+/*     $NetBSD: xform_esp.c,v 1.49 2017/04/13 01:32:57 ozaki-r Exp $   */
 /*     $FreeBSD: src/sys/netipsec/xform_esp.c,v 1.2.2.1 2003/01/24 05:11:36 sam Exp $  */
 /*     $OpenBSD: ip_esp.c,v 1.69 2001/06/26 06:18:59 angelos Exp $ */
 
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xform_esp.c,v 1.48 2017/04/10 14:19:22 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xform_esp.c,v 1.49 2017/04/13 01:32:57 ozaki-r Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -116,8 +116,7 @@
 const struct enc_xform *
 esp_algorithm_lookup(int alg)
 {
-       if (alg >= ESP_ALG_MAX)
-               return NULL;
+
        switch (alg) {
        case SADB_EALG_DESCBC:
                return &enc_xform_des;