diff options
Diffstat (limited to 'src/libcharon/sa/ike_sa.c')
| -rw-r--r-- | src/libcharon/sa/ike_sa.c | 100 |
1 files changed, 52 insertions, 48 deletions
diff --git a/src/libcharon/sa/ike_sa.c b/src/libcharon/sa/ike_sa.c index 1e3d00f02..7672accc4 100644 --- a/src/libcharon/sa/ike_sa.c +++ b/src/libcharon/sa/ike_sa.c @@ -182,14 +182,14 @@ struct private_ike_sa_t { keymat_t *keymat; /** - * Virtual IP on local host, if any + * Virtual IPs on local host */ - host_t *my_virtual_ip; + linked_list_t *my_vips; /** - * Virtual IP on remote host, if any + * Virtual IPs on remote host */ - host_t *other_virtual_ip; + linked_list_t *other_vips; /** * List of configuration attributes (attribute_entry_t) @@ -735,7 +735,7 @@ METHOD(ike_sa_t, get_keymat, keymat_t*, return this->keymat; } -METHOD(ike_sa_t, set_virtual_ip, void, +METHOD(ike_sa_t, add_virtual_ip, void, private_ike_sa_t *this, bool local, host_t *ip) { if (local) @@ -744,39 +744,27 @@ METHOD(ike_sa_t, set_virtual_ip, void, if (hydra->kernel_interface->add_ip(hydra->kernel_interface, ip, this->my_host) == SUCCESS) { - if (this->my_virtual_ip) - { - DBG1(DBG_IKE, "removing old virtual IP %H", this->my_virtual_ip); - hydra->kernel_interface->del_ip(hydra->kernel_interface, - this->my_virtual_ip); - } - DESTROY_IF(this->my_virtual_ip); - this->my_virtual_ip = ip->clone(ip); + this->my_vips->insert_last(this->my_vips, ip->clone(ip)); } else { DBG1(DBG_IKE, "installing virtual IP %H failed", ip); - this->my_virtual_ip = NULL; } } else { - DESTROY_IF(this->other_virtual_ip); - this->other_virtual_ip = ip->clone(ip); + this->other_vips->insert_last(this->other_vips, ip->clone(ip)); } } -METHOD(ike_sa_t, get_virtual_ip, host_t*, +METHOD(ike_sa_t, create_virtual_ip_enumerator, enumerator_t*, private_ike_sa_t *this, bool local) { if (local) { - return this->my_virtual_ip; - } - else - { - return this->other_virtual_ip; + return this->my_vips->create_enumerator(this->my_vips); } + return this->other_vips->create_enumerator(this->other_vips); } METHOD(ike_sa_t, add_peer_address, void, @@ -909,7 +897,7 @@ METHOD(ike_sa_t, update_hosts, void, while (enumerator->enumerate(enumerator, (void**)&child_sa)) { if (child_sa->update(child_sa, this->my_host, - this->other_host, this->my_virtual_ip, + this->other_host, this->my_vips, has_condition(this, COND_NAT_ANY)) == NOT_SUPPORTED) { this->public.rekey_child_sa(&this->public, @@ -1458,7 +1446,7 @@ METHOD(ike_sa_t, reauth, status_t, if (!has_condition(this, COND_ORIGINAL_INITIATOR)) { DBG1(DBG_IKE, "initiator did not reauthenticate as requested"); - if (this->other_virtual_ip != NULL || + if (this->other_vips->get_count(this->other_vips) != 0 || has_condition(this, COND_XAUTH_AUTHENTICATED) || has_condition(this, COND_EAP_AUTHENTICATED) #ifdef ME @@ -1562,7 +1550,7 @@ METHOD(ike_sa_t, reestablish, status_t, /* check if we are able to reestablish this IKE_SA */ if (!has_condition(this, COND_ORIGINAL_INITIATOR) && - (this->other_virtual_ip != NULL || + (this->other_vips->get_count(this->other_vips) != 0 || has_condition(this, COND_EAP_AUTHENTICATED) #ifdef ME || this->is_mediation_server @@ -1585,11 +1573,12 @@ METHOD(ike_sa_t, reestablish, status_t, host = this->my_host; new->set_my_host(new, host->clone(host)); /* if we already have a virtual IP, we reuse it */ - host = this->my_virtual_ip; - if (host) + enumerator = this->my_vips->create_enumerator(this->my_vips); + while (enumerator->enumerate(enumerator, &host)) { - new->set_virtual_ip(new, TRUE, host); + new->add_virtual_ip(new, TRUE, host); } + enumerator->destroy(enumerator); #ifdef ME if (this->peer_cfg->is_mediation(this->peer_cfg)) @@ -1732,7 +1721,7 @@ METHOD(ike_sa_t, set_auth_lifetime, status_t, * We send the notify in IKE_AUTH if not yet ESTABLISHED. */ send_update = this->state == IKE_ESTABLISHED && this->version == IKEV2 && !has_condition(this, COND_ORIGINAL_INITIATOR) && - (this->other_virtual_ip != NULL || + (this->other_vips->get_count(this->other_vips) != 0 || has_condition(this, COND_EAP_AUTHENTICATED)); if (lifetime < diff) @@ -1937,6 +1926,7 @@ METHOD(ike_sa_t, inherit, void, attribute_entry_t *entry; enumerator_t *enumerator; auth_cfg_t *cfg; + host_t *vip; /* apply hosts and ids */ this->my_host->destroy(this->my_host); @@ -1948,16 +1938,15 @@ METHOD(ike_sa_t, inherit, void, this->my_id = other->my_id->clone(other->my_id); this->other_id = other->other_id->clone(other->other_id); - /* apply virtual assigned IPs... */ - if (other->my_virtual_ip) + /* apply assigned virtual IPs... */ + while (this->my_vips->remove_last(this->my_vips, (void**)&vip) == SUCCESS) { - this->my_virtual_ip = other->my_virtual_ip; - other->my_virtual_ip = NULL; + other->my_vips->insert_first(other->my_vips, vip); } - if (other->other_virtual_ip) + while (this->other_vips->remove_last(this->other_vips, + (void**)&vip) == SUCCESS) { - this->other_virtual_ip = other->other_virtual_ip; - other->other_virtual_ip = NULL; + other->other_vips->insert_first(other->other_vips, vip); } /* authentication information */ @@ -2032,6 +2021,7 @@ METHOD(ike_sa_t, destroy, void, private_ike_sa_t *this) { attribute_entry_t *entry; + host_t *vip; charon->bus->set_sa(charon->bus, &this->public); @@ -2056,22 +2046,34 @@ METHOD(ike_sa_t, destroy, void, DESTROY_IF(this->keymat); - if (this->my_virtual_ip) + while (this->my_vips->remove_last(this->my_vips, (void**)&vip) == SUCCESS) { - hydra->kernel_interface->del_ip(hydra->kernel_interface, - this->my_virtual_ip); - this->my_virtual_ip->destroy(this->my_virtual_ip); + hydra->kernel_interface->del_ip(hydra->kernel_interface, vip); + vip->destroy(vip); } - if (this->other_virtual_ip) + this->my_vips->destroy(this->my_vips); + while (this->other_vips->remove_last(this->other_vips, + (void**)&vip) == SUCCESS) { - if (this->peer_cfg && this->peer_cfg->get_pool(this->peer_cfg)) + if (this->peer_cfg) { - hydra->attributes->release_address(hydra->attributes, - this->peer_cfg->get_pool(this->peer_cfg), - this->other_virtual_ip, get_other_eap_id(this)); + enumerator_t *enumerator; + char *pool; + + enumerator = this->peer_cfg->create_pool_enumerator(this->peer_cfg); + while (enumerator->enumerate(enumerator, &pool)) + { + if (hydra->attributes->release_address(hydra->attributes, pool, + vip, get_other_eap_id(this))) + { + break; + } + } + enumerator->destroy(enumerator); } - this->other_virtual_ip->destroy(this->other_virtual_ip); + vip->destroy(vip); } + this->other_vips->destroy(this->other_vips); this->peer_addresses->destroy_offset(this->peer_addresses, offsetof(host_t, destroy)); #ifdef ME @@ -2190,8 +2192,8 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id, bool initiator, .generate_message = _generate_message, .reset = _reset, .get_unique_id = _get_unique_id, - .set_virtual_ip = _set_virtual_ip, - .get_virtual_ip = _get_virtual_ip, + .add_virtual_ip = _add_virtual_ip, + .create_virtual_ip_enumerator = _create_virtual_ip_enumerator, .add_configuration_attribute = _add_configuration_attribute, .set_kmaddress = _set_kmaddress, .create_task_enumerator = _create_task_enumerator, @@ -2226,6 +2228,8 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id, bool initiator, .other_auths = linked_list_create(), .unique_id = ++unique_id, .peer_addresses = linked_list_create(), + .my_vips = linked_list_create(), + .other_vips = linked_list_create(), .attributes = linked_list_create(), .keepalive_interval = lib->settings->get_time(lib->settings, "%s.keep_alive", KEEPALIVE_INTERVAL, charon->name), |