diff options
| -rw-r--r-- | include/net/xfrm.h | 3 | ||||
| -rw-r--r-- | net/key/af_key.c | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_user.c | 2 |
4 files changed, 7 insertions, 2 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index b56b6a1..baa9f37 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -436,6 +436,9 @@ struct xfrm_tmpl /* May skip this transfomration if no SA is found */ __u8 optional; +/* Skip aalgos/ealgos/calgos checks. */ + __u8 allalgs; + /* Bit mask of algos allowed for acquisition */ __u32 aalgos; __u32 ealgos; diff --git a/net/key/af_key.c b/net/key/af_key.c index 1fb0fe4..81a8e52 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -1907,7 +1907,7 @@ parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq) t->encap_family = xp->family; /* No way to set this via kame pfkey */ - t->aalgos = t->ealgos = t->calgos = ~0; + t->allalgs = 1; xp->xfrm_nr++; return 0; } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index ab4d0e5..e0c0390 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1819,7 +1819,7 @@ xfrm_state_ok(struct xfrm_tmpl *tmpl, struct xfrm_state *x, (x->id.spi == tmpl->id.spi || !tmpl->id.spi) && (x->props.reqid == tmpl->reqid || !tmpl->reqid) && x->props.mode == tmpl->mode && - ((tmpl->aalgos & (1<<x->props.aalgo)) || + (tmpl->allalgs || (tmpl->aalgos & (1<<x->props.aalgo)) || !(xfrm_id_proto_match(tmpl->id.proto, IPSEC_PROTO_ANY))) && !(x->props.mode != XFRM_MODE_TRANSPORT && xfrm_state_addr_cmp(tmpl, x, family)); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 1810f56..22a30ae 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -981,6 +981,8 @@ static void copy_templates(struct xfrm_policy *xp, struct xfrm_user_tmpl *ut, t->aalgos = ut->aalgos; t->ealgos = ut->ealgos; t->calgos = ut->calgos; + /* If all masks are ~0, then we allow all algorithms. */ + t->allalgs = !~(t->aalgos & t->ealgos & t->calgos); t->encap_family = ut->family; } } |