diff options
Diffstat (limited to 'src/plugins/ikev2')
| -rw-r--r-- | src/plugins/ikev2/ikev2.c | 170 | ||||
| -rw-r--r-- | src/plugins/ikev2/ikev2_priv.h | 1 |
2 files changed, 119 insertions, 52 deletions
diff --git a/src/plugins/ikev2/ikev2.c b/src/plugins/ikev2/ikev2.c index 11aadfb7f34..bba8876c046 100644 --- a/src/plugins/ikev2/ikev2.c +++ b/src/plugins/ikev2/ikev2.c @@ -407,7 +407,6 @@ ikev2_complete_sa_data (ikev2_sa_t * sa, ikev2_sa_t * sai) sa->is_initiator = sai->is_initiator; sa->i_id.type = sai->i_id.type; sa->profile_index = sai->profile_index; - sa->is_profile_index_set = sai->is_profile_index_set; sa->tun_itf = sai->tun_itf; sa->is_tun_itf_set = sai->is_tun_itf_set; sa->i_id.data = _(sai->i_id.data); @@ -1358,6 +1357,8 @@ ikev2_sa_match_ts (ikev2_sa_t * sa) memcmp(p->rem_id.data, id->data, vec_len(p->rem_id.data))) continue; + sa->profile_index = p - km->profiles; + vec_foreach(ts, sa->childs[0].tsi) { if (ikev2_ts_cmp(p_tsi, ts)) @@ -1851,7 +1852,7 @@ ikev2_create_tunnel_interface (vlib_main_t * vm, a.src_port = sa->ipsec_over_udp_port; } - if (sa->is_profile_index_set) + if (sa->is_initiator && sa->profile_index != ~0) p = pool_elt_at_index (km->profiles, sa->profile_index); if (p && p->lifetime) @@ -2429,6 +2430,7 @@ ikev2_init_sa (vlib_main_t * vm, ikev2_sa_t * sa) { ikev2_main_t *km = &ikev2_main; sa->liveness_period_check = vlib_time_now (vm) + km->liveness_period; + sa->profile_index = ~0; } static void @@ -3192,6 +3194,95 @@ ikev2_unregister_udp_port (ikev2_profile_t * p) p->ipsec_over_udp_port = IPSEC_UDP_PORT_NONE; } +static void +ikev2_initiate_delete_ike_sa_internal (vlib_main_t * vm, + ikev2_main_per_thread_data_t * tkm, + ikev2_sa_t * sa) +{ + ikev2_main_t *km = &ikev2_main; + ip4_address_t *src, *dst; + + /* Create the Initiator notification for IKE SA removal */ + ike_header_t *ike0; + u32 bi0 = 0; + int len; + + bi0 = ikev2_get_new_ike_header_buff (vm, &ike0); + if (!bi0) + { + ikev2_log_error ("buffer alloc failure"); + return; + } + + ike0->exchange = IKEV2_EXCHANGE_INFORMATIONAL; + ike0->ispi = clib_host_to_net_u64 (sa->ispi); + ike0->rspi = clib_host_to_net_u64 (sa->rspi); + vec_resize (sa->del, 1); + sa->del->protocol_id = IKEV2_PROTOCOL_IKE; + sa->del->spi = sa->ispi; + ike0->msgid = clib_host_to_net_u32 (sa->last_init_msg_id + 1); + sa->last_init_msg_id = clib_net_to_host_u32 (ike0->msgid); + len = ikev2_generate_message (sa, ike0, 0, 0); + + if (sa->is_initiator) + { + src = &sa->iaddr; + dst = &sa->raddr; + } + else + { + dst = &sa->iaddr; + src = &sa->raddr; + } + + ikev2_send_ike (vm, src, dst, bi0, len, + ikev2_get_port (sa), sa->dst_port, 0); + + /* delete local SA */ + ikev2_child_sa_t *c; + vec_foreach (c, sa->childs) + ikev2_delete_tunnel_interface (km->vnet_main, sa, c); + + u64 rspi = sa->rspi; + ikev2_sa_free_all_vec (sa); + uword *p = hash_get (tkm->sa_by_rspi, rspi); + if (p) + { + hash_unset (tkm->sa_by_rspi, rspi); + pool_put (tkm->sas, sa); + } +} + +static void +ikev2_cleanup_profile_sessions (ikev2_main_t * km, ikev2_profile_t * p) +{ + ikev2_main_per_thread_data_t *tkm; + ikev2_sa_t *sa; + u32 pi = p - km->profiles; + u32 *sai; + u32 *del_sai = 0; + + vec_foreach (tkm, km->per_thread_data) + { + /* *INDENT-OFF* */ + pool_foreach (sa, tkm->sas, ({ + if (sa->profile_index != ~0 && pi == sa->profile_index) + vec_add1 (del_sai, sa - tkm->sas); + })); + /* *INDENT-ON* */ + + vec_foreach (sai, del_sai) + { + sa = pool_elt_at_index (tkm->sas, sai[0]); + ikev2_initiate_delete_ike_sa_internal (km->vlib_main, tkm, sa); + } + + vec_reset_length (del_sai); + } + + vec_free (del_sai); +} + clib_error_t * ikev2_add_del_profile (vlib_main_t * vm, u8 * name, int is_add) { @@ -3219,6 +3310,7 @@ ikev2_add_del_profile (vlib_main_t * vm, u8 * name, int is_add) return clib_error_return (0, "policy %v does not exists", name); ikev2_unregister_udp_port (p); + ikev2_cleanup_profile_sessions (km, p); vec_free (p->name); pool_put (km->profiles, p); @@ -3539,6 +3631,12 @@ ikev2_initiate_sa_init (vlib_main_t * vm, u8 * name) ip4_address_t *if_ip = ip_interface_address_get_address (lm, if_add); bi0 = ikev2_get_new_ike_header_buff (vm, &ike0); + if (!bi0) + { + char *errmsg = "buffer alloc failure"; + ikev2_log_error (errmsg); + return clib_error_return (0, errmsg); + } /* Prepare the SA and the IKE payload */ ikev2_sa_t sa; @@ -3558,7 +3656,6 @@ ikev2_initiate_sa_init (vlib_main_t * vm, u8 * name) sa.is_initiator = 1; sa.profile_index = p - km->profiles; - sa.is_profile_index_set = 1; sa.state = IKEV2_STATE_SA_INIT; sa.tun_itf = p->tun_itf; sa.udp_encap = p->udp_encap; @@ -3668,7 +3765,11 @@ ikev2_delete_child_sa_internal (vlib_main_t * vm, ikev2_sa_t * sa, int len; bi0 = ikev2_get_new_ike_header_buff (vm, &ike0); - + if (!bi0) + { + ikev2_log_error ("buffer alloc failure"); + return; + } ike0->exchange = IKEV2_EXCHANGE_INFORMATIONAL; ike0->ispi = clib_host_to_net_u64 (sa->ispi); @@ -3762,48 +3863,7 @@ ikev2_initiate_delete_ike_sa (vlib_main_t * vm, u64 ispi) return r; } - - /* Create the Initiator notification for IKE SA removal */ - { - ike_header_t *ike0; - u32 bi0 = 0; - int len; - - bi0 = ikev2_get_new_ike_header_buff (vm, &ike0); - - - ike0->exchange = IKEV2_EXCHANGE_INFORMATIONAL; - ike0->ispi = clib_host_to_net_u64 (fsa->ispi); - ike0->rspi = clib_host_to_net_u64 (fsa->rspi); - vec_resize (fsa->del, 1); - fsa->del->protocol_id = IKEV2_PROTOCOL_IKE; - fsa->del->spi = ispi; - ike0->msgid = clib_host_to_net_u32 (fsa->last_init_msg_id + 1); - fsa->last_init_msg_id = clib_net_to_host_u32 (ike0->msgid); - len = ikev2_generate_message (fsa, ike0, 0, 0); - if (fsa->natt) - len = ikev2_insert_non_esp_marker (ike0, len); - ikev2_send_ike (vm, &fsa->iaddr, &fsa->raddr, bi0, len, - ikev2_get_port (fsa), fsa->dst_port, fsa->sw_if_index); - } - - - /* delete local SA */ - ikev2_child_sa_t *c; - vec_foreach (c, fsa->childs) - { - ikev2_delete_tunnel_interface (km->vnet_main, fsa, c); - ikev2_sa_del_child_sa (fsa, c); - } - ikev2_sa_free_all_vec (fsa); - uword *p = hash_get (ftkm->sa_by_rspi, fsa->rspi); - if (p) - { - hash_unset (ftkm->sa_by_rspi, fsa->rspi); - pool_put (ftkm->sas, fsa); - } - - + ikev2_initiate_delete_ike_sa_internal (vm, ftkm, fsa); return 0; } @@ -3816,9 +3876,12 @@ ikev2_rekey_child_sa_internal (vlib_main_t * vm, ikev2_sa_t * sa, u32 bi0 = 0; int len; - bi0 = ikev2_get_new_ike_header_buff (vm, &ike0); - + if (!bi0) + { + ikev2_log_error ("buffer alloc failure"); + return; + } ike0->version = IKE_VERSION_2; ike0->flags = IKEV2_HDR_FLAG_INITIATOR; @@ -3943,7 +4006,7 @@ ikev2_mngr_process_child_sa (ikev2_sa_t * sa, ikev2_child_sa_t * csa, f64 now = vlib_time_now (vm); u8 res = 0; - if (sa->is_profile_index_set) + if (sa->profile_index != ~0) p = pool_elt_at_index (km->profiles, sa->profile_index); if (sa->is_initiator && p && csa->time_to_expiration @@ -4083,7 +4146,7 @@ ikev2_mngr_process_ipsec_sa (ipsec_sa_t * ipsec_sa) vlib_get_combined_counter (&ipsec_sa_counters, ipsec_sa->stat_index, &counts); - if (fsa && fsa->is_profile_index_set) + if (fsa && fsa->profile_index != ~0 && fsa->is_initiator) p = pool_elt_at_index (km->profiles, fsa->profile_index); if (fchild && p && p->lifetime_maxdata) @@ -4137,6 +4200,11 @@ ikev2_send_informational_request (ikev2_sa_t * sa) int len; bi0 = ikev2_get_new_ike_header_buff (km->vlib_main, &ike0); + if (!bi0) + { + ikev2_log_error ("buffer alloc failure"); + return; + } ike0->exchange = IKEV2_EXCHANGE_INFORMATIONAL; ike0->ispi = clib_host_to_net_u64 (sa->ispi); @@ -4234,7 +4302,7 @@ ikev2_mngr_process_fn (vlib_main_t * vm, vlib_node_runtime_t * rt, vec_foreach (sai, to_be_deleted) { sa = pool_elt_at_index (tkm->sas, sai[0]); - u8 reinitiate = (sa->is_initiator && sa->is_profile_index_set); + u8 reinitiate = (sa->is_initiator && sa->profile_index != ~0); vec_foreach (c, sa->childs) { ikev2_delete_tunnel_interface (km->vnet_main, sa, c); diff --git a/src/plugins/ikev2/ikev2_priv.h b/src/plugins/ikev2/ikev2_priv.h index 7f4cb03c373..ce2bf7d5185 100644 --- a/src/plugins/ikev2/ikev2_priv.h +++ b/src/plugins/ikev2/ikev2_priv.h @@ -420,7 +420,6 @@ typedef struct u8 is_initiator; u32 last_init_msg_id; - u8 is_profile_index_set; u32 profile_index; u8 is_tun_itf_set; u32 tun_itf; |