| /* |
| * Copyright (c) 2020 Cisco and/or its affiliates. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /** |
| * @file |
| * @brief NAT44 plugin API implementation |
| */ |
| |
| #include <vnet/ip/ip_types_api.h> |
| #include <vlibmemory/api.h> |
| |
| #include <vnet/fib/fib_table.h> |
| |
| #include <nat/lib/nat_inlines.h> |
| #include <nat/lib/ipfix_logging.h> |
| |
| #include <nat/nat.h> |
| |
| #include <nat/nat44.api_enum.h> |
| #include <nat/nat44.api_types.h> |
| |
| #include <nat/nat44-ei/nat44_ei_ha.h> |
| #include <nat/nat44-ei/nat44_ei.h> |
| #include <nat/nat_inlines.h> |
| |
| #include <nat/nat44/inlines.h> |
| #include <nat/nat44/ed_inlines.h> |
| |
| #define REPLY_MSG_ID_BASE sm->msg_id_base |
| #include <vlibapi/api_helper_macros.h> |
| |
| static void |
| vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t * mp) |
| { |
| vl_api_nat_control_ping_reply_t *rmp; |
| snat_main_t *sm = &snat_main; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY, |
| ({ |
| rmp->vpe_pid = ntohl (getpid ()); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp) |
| { |
| vl_api_nat_show_config_reply_t *rmp; |
| snat_main_t *sm = &snat_main; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_CONFIG_REPLY, |
| ({ |
| rmp->translation_buckets = htonl (sm->translation_buckets); |
| rmp->user_buckets = htonl (sm->user_buckets); |
| rmp->max_translations_per_user = htonl (sm->max_translations_per_user); |
| rmp->outside_vrf_id = htonl (sm->outside_vrf_id); |
| rmp->inside_vrf_id = htonl (sm->inside_vrf_id); |
| rmp->static_mapping_only = sm->static_mapping_only; |
| rmp->static_mapping_connection_tracking = |
| sm->static_mapping_connection_tracking; |
| rmp->endpoint_dependent = sm->endpoint_dependent; |
| rmp->out2in_dpo = sm->out2in_dpo; |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_show_config_2_t_handler (vl_api_nat_show_config_2_t * mp) |
| { |
| vl_api_nat_show_config_2_reply_t *rmp; |
| snat_main_t *sm = &snat_main; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_CONFIG_2_REPLY, |
| ({ |
| rmp->translation_buckets = htonl (sm->translation_buckets); |
| rmp->user_buckets = htonl (sm->user_buckets); |
| rmp->max_translations_per_user = htonl (sm->max_translations_per_user); |
| rmp->outside_vrf_id = htonl (sm->outside_vrf_id); |
| rmp->inside_vrf_id = htonl (sm->inside_vrf_id); |
| rmp->static_mapping_only = sm->static_mapping_only; |
| rmp->static_mapping_connection_tracking = |
| sm->static_mapping_connection_tracking; |
| rmp->endpoint_dependent = sm->endpoint_dependent; |
| rmp->out2in_dpo = sm->out2in_dpo; |
| rmp->max_translations_per_thread = clib_net_to_host_u32(sm->max_translations_per_thread); |
| rmp->max_users_per_thread = clib_net_to_host_u32(sm->max_users_per_thread); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat44_show_running_config_t_handler (vl_api_nat44_show_running_config_t |
| * mp) |
| { |
| vl_api_nat44_show_running_config_reply_t *rmp; |
| snat_main_t *sm = &snat_main; |
| nat44_config_t *rc = &sm->rconfig; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2_ZERO (VL_API_NAT44_SHOW_RUNNING_CONFIG_REPLY, |
| ({ |
| rmp->inside_vrf = htonl (rc->inside_vrf); |
| rmp->outside_vrf = htonl (rc->outside_vrf); |
| rmp->users = htonl (rc->users); |
| rmp->sessions = htonl (rc->sessions); |
| rmp->user_sessions = htonl (rc->user_sessions); |
| |
| rmp->user_buckets = htonl (sm->user_buckets); |
| rmp->translation_buckets = htonl (sm->translation_buckets); |
| |
| rmp->timeouts.udp = htonl (sm->timeouts.udp); |
| rmp->timeouts.tcp_established = htonl (sm->timeouts.tcp.established); |
| rmp->timeouts.tcp_transitory = htonl (sm->timeouts.tcp.transitory); |
| rmp->timeouts.icmp = htonl (sm->timeouts.icmp); |
| |
| rmp->forwarding_enabled = sm->forwarding_enabled == 1; |
| // consider how to split functionality between subplugins |
| rmp->ipfix_logging_enabled = nat_ipfix_logging_enabled (); |
| |
| if (rc->endpoint_dependent) |
| rmp->flags |= NAT44_IS_ENDPOINT_DEPENDENT; |
| else |
| rmp->flags |= NAT44_IS_ENDPOINT_INDEPENDENT; |
| |
| if (rc->static_mapping_only) |
| rmp->flags |= NAT44_IS_STATIC_MAPPING_ONLY; |
| if (rc->connection_tracking) |
| rmp->flags |= NAT44_IS_CONNECTION_TRACKING; |
| if (rc->out2in_dpo) |
| rmp->flags |= NAT44_IS_OUT2IN_DPO; |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_set_workers_reply_t *rmp; |
| int rv = 0; |
| uword *bitmap = 0; |
| u64 mask; |
| |
| mask = clib_net_to_host_u64 (mp->worker_mask); |
| |
| if (sm->num_workers < 2) |
| { |
| rv = VNET_API_ERROR_FEATURE_DISABLED; |
| goto send_reply; |
| } |
| |
| bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); |
| rv = snat_set_workers (bitmap); |
| clib_bitmap_free (bitmap); |
| |
| send_reply: |
| REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY); |
| } |
| |
| static void |
| send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg, |
| u32 context) |
| { |
| vl_api_nat_worker_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| vlib_worker_thread_t *w = |
| vlib_worker_threads + worker_index + sm->first_worker_index; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base); |
| rmp->context = context; |
| rmp->worker_index = htonl (worker_index); |
| rmp->lcore_id = htonl (w->cpu_id); |
| strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1); |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| u32 *worker_index; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| vec_foreach (worker_index, sm->workers) |
| send_nat_worker_details(*worker_index, reg, mp->context); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat44_session_cleanup_t_handler (vl_api_nat44_session_cleanup_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_session_cleanup_reply_t *rmp; |
| int rv = 0; |
| REPLY_MACRO (VL_API_NAT44_SESSION_CLEANUP_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_set_session_limit_t_handler (vl_api_nat44_set_session_limit_t * |
| mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_set_session_limit_reply_t *rmp; |
| int rv = 0; |
| |
| rv = nat44_set_session_limit |
| (ntohl (mp->session_limit), ntohl (mp->vrf_id)); |
| |
| REPLY_MACRO (VL_API_NAT44_SET_SESSION_LIMIT_REPLY); |
| } |
| |
| static void |
| vl_api_nat_set_log_level_t_handler (vl_api_nat_set_log_level_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_set_log_level_reply_t *rmp; |
| int rv = 0; |
| |
| if (sm->log_level > NAT_LOG_DEBUG) |
| rv = VNET_API_ERROR_UNSUPPORTED; |
| else |
| sm->log_level = mp->log_level; |
| |
| REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_plugin_enable_disable_t_handler |
| (vl_api_nat44_plugin_enable_disable_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| nat44_config_t c = { 0 }; |
| vl_api_nat44_plugin_enable_disable_reply_t *rmp; |
| int rv = 0; |
| |
| if (mp->enable) |
| { |
| c.endpoint_dependent = mp->flags & NAT44_API_IS_ENDPOINT_DEPENDENT; |
| c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY; |
| c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING; |
| c.out2in_dpo = mp->flags & NAT44_API_IS_OUT2IN_DPO; |
| |
| c.inside_vrf = ntohl (mp->inside_vrf); |
| c.outside_vrf = ntohl (mp->outside_vrf); |
| |
| c.users = ntohl (mp->users); |
| |
| c.sessions = ntohl (mp->sessions); |
| |
| c.user_sessions = ntohl (mp->user_sessions); |
| |
| rv = nat44_plugin_enable (c); |
| } |
| else |
| rv = nat44_plugin_disable (); |
| |
| REPLY_MACRO (VL_API_NAT44_PLUGIN_ENABLE_DISABLE_REPLY); |
| } |
| |
| static void |
| vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t * |
| mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ipfix_enable_disable_reply_t *rmp; |
| int rv = 0; |
| |
| rv = nat_ipfix_logging_enable_disable (mp->enable, |
| clib_host_to_net_u32 |
| (mp->domain_id), |
| clib_host_to_net_u16 (mp->src_port)); |
| |
| REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY); |
| } |
| |
| static void |
| vl_api_nat_set_timeouts_t_handler (vl_api_nat_set_timeouts_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_set_timeouts_reply_t *rmp; |
| int rv = 0; |
| |
| sm->timeouts.udp = ntohl (mp->udp); |
| sm->timeouts.tcp.established = ntohl (mp->tcp_established); |
| sm->timeouts.tcp.transitory = ntohl (mp->tcp_transitory); |
| sm->timeouts.icmp = ntohl (mp->icmp); |
| |
| REPLY_MACRO (VL_API_NAT_SET_TIMEOUTS_REPLY); |
| } |
| |
| static void |
| vl_api_nat_get_timeouts_t_handler (vl_api_nat_get_timeouts_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_get_timeouts_reply_t *rmp; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2 (VL_API_NAT_GET_TIMEOUTS_REPLY, |
| ({ |
| rmp->udp = htonl (sm->timeouts.udp); |
| rmp->tcp_established = htonl (sm->timeouts.tcp.established); |
| rmp->tcp_transitory = htonl (sm->timeouts.tcp.transitory); |
| rmp->icmp = htonl (sm->timeouts.icmp); |
| })) |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_set_fq_options_t_handler (vl_api_nat_set_fq_options_t *mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_set_fq_options_reply_t *rmp; |
| int rv = 0; |
| u32 frame_queue_nelts = ntohl (mp->frame_queue_nelts); |
| rv = snat_set_frame_queue_nelts (frame_queue_nelts); |
| REPLY_MACRO (VL_API_NAT_SET_FQ_OPTIONS_REPLY); |
| } |
| |
| static void |
| vl_api_nat_show_fq_options_t_handler (vl_api_nat_show_fq_options_t *mp) |
| { |
| vl_api_nat_show_fq_options_reply_t *rmp; |
| snat_main_t *sm = &snat_main; |
| int rv = 0; |
| /* clang-format off */ |
| REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_FQ_OPTIONS_REPLY, |
| ({ |
| rmp->frame_queue_nelts = htonl (sm->frame_queue_nelts); |
| })); |
| /* clang-format on */ |
| } |
| |
| static void |
| vl_api_nat_set_addr_and_port_alloc_alg_t_handler |
| (vl_api_nat_set_addr_and_port_alloc_alg_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_set_addr_and_port_alloc_alg_reply_t *rmp; |
| int rv = 0; |
| u16 port_start, port_end; |
| |
| if (sm->endpoint_dependent) |
| { |
| rv = VNET_API_ERROR_UNSUPPORTED; |
| goto send_reply; |
| } |
| |
| switch (mp->alg) |
| { |
| case NAT_ADDR_AND_PORT_ALLOC_ALG_DEFAULT: |
| nat44_ei_set_alloc_default (); |
| break; |
| case NAT_ADDR_AND_PORT_ALLOC_ALG_MAPE: |
| nat44_ei_set_alloc_mape (ntohs (mp->psid), mp->psid_offset, |
| mp->psid_length); |
| break; |
| case NAT_ADDR_AND_PORT_ALLOC_ALG_RANGE: |
| port_start = ntohs (mp->start_port); |
| port_end = ntohs (mp->end_port); |
| if (port_end <= port_start) |
| { |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| goto send_reply; |
| } |
| nat44_ei_set_alloc_range (port_start, port_end); |
| break; |
| default: |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| break; |
| } |
| |
| send_reply: |
| REPLY_MACRO (VL_API_NAT_SET_ADDR_AND_PORT_ALLOC_ALG_REPLY); |
| } |
| |
| static void |
| vl_api_nat_get_addr_and_port_alloc_alg_t_handler |
| (vl_api_nat_get_addr_and_port_alloc_alg_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_get_addr_and_port_alloc_alg_reply_t *rmp; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2 (VL_API_NAT_GET_ADDR_AND_PORT_ALLOC_ALG_REPLY, |
| ({ |
| rmp->alg = sm->addr_and_port_alloc_alg; |
| rmp->psid_offset = sm->psid_offset; |
| rmp->psid_length = sm->psid_length; |
| rmp->psid = htons (sm->psid); |
| rmp->start_port = htons (sm->start_port); |
| rmp->end_port = htons (sm->end_port); |
| })) |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_set_mss_clamping_t_handler (vl_api_nat_set_mss_clamping_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_set_mss_clamping_reply_t *rmp; |
| int rv = 0; |
| |
| if (mp->enable) |
| sm->mss_clamping = ntohs (mp->mss_value); |
| else |
| sm->mss_clamping = 0; |
| |
| REPLY_MACRO (VL_API_NAT_SET_MSS_CLAMPING_REPLY); |
| } |
| |
| static void |
| vl_api_nat_get_mss_clamping_t_handler (vl_api_nat_get_mss_clamping_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_get_mss_clamping_reply_t *rmp; |
| int rv = 0; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2 (VL_API_NAT_GET_MSS_CLAMPING_REPLY, |
| ({ |
| rmp->enable = sm->mss_clamping ? 1 : 0; |
| rmp->mss_value = htons (sm->mss_clamping); |
| })) |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_ha_set_listener_t_handler (vl_api_nat_ha_set_listener_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ha_set_listener_reply_t *rmp; |
| ip4_address_t addr; |
| int rv; |
| |
| memcpy (&addr, &mp->ip_address, sizeof (addr)); |
| rv = |
| nat_ha_set_listener (&addr, clib_net_to_host_u16 (mp->port), |
| clib_net_to_host_u32 (mp->path_mtu)); |
| |
| REPLY_MACRO (VL_API_NAT_HA_SET_LISTENER_REPLY); |
| } |
| |
| static void |
| vl_api_nat_ha_get_listener_t_handler (vl_api_nat_ha_get_listener_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ha_get_listener_reply_t *rmp; |
| int rv = 0; |
| ip4_address_t addr; |
| u16 port; |
| u32 path_mtu; |
| |
| nat_ha_get_listener (&addr, &port, &path_mtu); |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2 (VL_API_NAT_HA_GET_LISTENER_REPLY, |
| ({ |
| clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t)); |
| rmp->port = clib_host_to_net_u16 (port); |
| rmp->path_mtu = clib_host_to_net_u32 (path_mtu); |
| })) |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_ha_set_failover_t_handler (vl_api_nat_ha_set_failover_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ha_set_failover_reply_t *rmp; |
| ip4_address_t addr; |
| int rv; |
| |
| memcpy (&addr, &mp->ip_address, sizeof (addr)); |
| rv = |
| nat_ha_set_failover (&addr, clib_net_to_host_u16 (mp->port), |
| clib_net_to_host_u32 (mp->session_refresh_interval)); |
| |
| REPLY_MACRO (VL_API_NAT_HA_SET_FAILOVER_REPLY); |
| } |
| |
| static void |
| vl_api_nat_ha_get_failover_t_handler (vl_api_nat_ha_get_failover_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ha_get_failover_reply_t *rmp; |
| int rv = 0; |
| ip4_address_t addr; |
| u16 port; |
| u32 session_refresh_interval; |
| |
| nat_ha_get_failover (&addr, &port, &session_refresh_interval); |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2 (VL_API_NAT_HA_GET_FAILOVER_REPLY, |
| ({ |
| clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t)); |
| rmp->port = clib_host_to_net_u16 (port); |
| rmp->session_refresh_interval = clib_host_to_net_u32 (session_refresh_interval); |
| })) |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat_ha_flush_t_handler (vl_api_nat_ha_flush_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ha_flush_reply_t *rmp; |
| int rv = 0; |
| |
| nat_ha_flush (0); |
| |
| REPLY_MACRO (VL_API_NAT_HA_FLUSH_REPLY); |
| } |
| |
| static void |
| nat_ha_resync_completed_event_cb (u32 client_index, u32 pid, u32 missed_count) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_registration_t *reg; |
| vl_api_nat_ha_resync_completed_event_t *mp; |
| |
| reg = vl_api_client_index_to_registration (client_index); |
| if (!reg) |
| return; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp)); |
| clib_memset (mp, 0, sizeof (*mp)); |
| mp->client_index = client_index; |
| mp->pid = pid; |
| mp->missed_count = clib_host_to_net_u32 (missed_count); |
| mp->_vl_msg_id = |
| ntohs (VL_API_NAT_HA_RESYNC_COMPLETED_EVENT + sm->msg_id_base); |
| |
| vl_api_send_msg (reg, (u8 *) mp); |
| } |
| |
| static void |
| vl_api_nat_ha_resync_t_handler (vl_api_nat_ha_resync_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat_ha_resync_reply_t *rmp; |
| int rv; |
| |
| rv = |
| nat_ha_resync (mp->client_index, mp->pid, |
| mp->want_resync_event ? nat_ha_resync_completed_event_cb : |
| NULL); |
| |
| REPLY_MACRO (VL_API_NAT_HA_RESYNC_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_del_user_t_handler (vl_api_nat44_del_user_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_del_user_reply_t *rmp; |
| ip4_address_t addr; |
| int rv; |
| memcpy (&addr.as_u8, mp->ip_address, 4); |
| rv = nat44_ei_user_del (&addr, ntohl (mp->fib_index)); |
| REPLY_MACRO (VL_API_NAT44_DEL_USER_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_add_del_address_range_t_handler |
| (vl_api_nat44_add_del_address_range_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_add_del_address_range_reply_t *rmp; |
| ip4_address_t this_addr; |
| u8 is_add, twice_nat; |
| u32 start_host_order, end_host_order; |
| u32 vrf_id; |
| int i, count; |
| int rv = 0; |
| u32 *tmp; |
| |
| if (sm->static_mapping_only) |
| { |
| rv = VNET_API_ERROR_FEATURE_DISABLED; |
| goto send_reply; |
| } |
| |
| is_add = mp->is_add; |
| twice_nat = mp->flags & NAT_API_IS_TWICE_NAT; |
| |
| tmp = (u32 *) mp->first_ip_address; |
| start_host_order = clib_host_to_net_u32 (tmp[0]); |
| tmp = (u32 *) mp->last_ip_address; |
| end_host_order = clib_host_to_net_u32 (tmp[0]); |
| |
| count = (end_host_order - start_host_order) + 1; |
| |
| vrf_id = clib_host_to_net_u32 (mp->vrf_id); |
| |
| if (count > 1024) |
| nat_log_info ("%U - %U, %d addresses...", |
| format_ip4_address, mp->first_ip_address, |
| format_ip4_address, mp->last_ip_address, count); |
| |
| memcpy (&this_addr.as_u8, mp->first_ip_address, 4); |
| |
| for (i = 0; i < count; i++) |
| { |
| if (is_add) |
| rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat); |
| else |
| rv = snat_del_address (sm, this_addr, 0, twice_nat); |
| |
| if (rv) |
| goto send_reply; |
| |
| if (sm->out2in_dpo) |
| nat44_add_del_address_dpo (this_addr, is_add); |
| |
| increment_v4_address (&this_addr); |
| } |
| |
| send_reply: |
| REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY); |
| } |
| |
| static void |
| send_nat44_address_details (snat_address_t * a, |
| vl_api_registration_t * reg, u32 context, |
| u8 twice_nat) |
| { |
| vl_api_nat44_address_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base); |
| clib_memcpy (rmp->ip_address, &(a->addr), 4); |
| if (a->fib_index != ~0) |
| { |
| fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4); |
| rmp->vrf_id = ntohl (fib->ft_table_id); |
| } |
| else |
| rmp->vrf_id = ~0; |
| if (twice_nat) |
| rmp->flags |= NAT_API_IS_TWICE_NAT; |
| rmp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_address_t *a; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| vec_foreach (a, sm->addresses) |
| send_nat44_address_details (a, reg, mp->context, 0); |
| vec_foreach (a, sm->twice_nat_addresses) |
| send_nat44_address_details (a, reg, mp->context, 1); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat44_interface_add_del_feature_t_handler |
| (vl_api_nat44_interface_add_del_feature_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_interface_add_del_feature_reply_t *rmp; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| u8 is_del; |
| int rv = 0; |
| |
| is_del = !mp->is_add; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| rv = |
| snat_interface_add_del (sw_if_index, mp->flags & NAT_API_IS_INSIDE, |
| is_del); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY); |
| } |
| |
| static void |
| send_nat44_interface_details (snat_interface_t * i, |
| vl_api_registration_t * reg, u32 context) |
| { |
| vl_api_nat44_interface_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base); |
| rmp->sw_if_index = ntohl (i->sw_if_index); |
| |
| if (nat_interface_is_inside (i)) |
| rmp->flags |= NAT_API_IS_INSIDE; |
| if (nat_interface_is_outside (i)) |
| rmp->flags |= NAT_API_IS_OUTSIDE; |
| |
| rmp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_interface_t *i; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (i, sm->interfaces) |
| { |
| send_nat44_interface_details(i, reg, mp->context); |
| } |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat44_interface_add_del_output_feature_t_handler |
| (vl_api_nat44_interface_add_del_output_feature_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_interface_add_del_output_feature_reply_t *rmp; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| int rv = 0; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| rv = snat_interface_add_del_output_feature (sw_if_index, |
| mp->flags & NAT_API_IS_INSIDE, |
| !mp->is_add); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY); |
| } |
| |
| static void |
| send_nat44_interface_output_feature_details (snat_interface_t * i, |
| vl_api_registration_t * reg, |
| u32 context) |
| { |
| vl_api_nat44_interface_output_feature_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base); |
| rmp->sw_if_index = ntohl (i->sw_if_index); |
| rmp->context = context; |
| |
| if (nat_interface_is_inside (i)) |
| rmp->flags |= NAT_API_IS_INSIDE; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_interface_output_feature_dump_t_handler |
| (vl_api_nat44_interface_output_feature_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_interface_t *i; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (i, sm->output_feature_interfaces) |
| { |
| send_nat44_interface_output_feature_details(i, reg, mp->context); |
| } |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat44_add_del_static_mapping_t_handler |
| (vl_api_nat44_add_del_static_mapping_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_add_del_static_mapping_reply_t *rmp; |
| ip4_address_t local_addr, external_addr, pool_addr = { 0 }; |
| u16 local_port = 0, external_port = 0; |
| u32 vrf_id, external_sw_if_index; |
| twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; |
| int rv = 0; |
| nat_protocol_t proto; |
| u8 *tag = 0; |
| |
| memcpy (&local_addr.as_u8, mp->local_ip_address, 4); |
| memcpy (&external_addr.as_u8, mp->external_ip_address, 4); |
| |
| if (!(mp->flags & NAT_API_IS_ADDR_ONLY)) |
| { |
| local_port = mp->local_port; |
| external_port = mp->external_port; |
| } |
| |
| vrf_id = clib_net_to_host_u32 (mp->vrf_id); |
| external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index); |
| proto = ip_proto_to_nat_proto (mp->protocol); |
| |
| if (mp->flags & NAT_API_IS_TWICE_NAT) |
| twice_nat = TWICE_NAT; |
| else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT) |
| twice_nat = TWICE_NAT_SELF; |
| mp->tag[sizeof (mp->tag) - 1] = 0; |
| tag = format (0, "%s", mp->tag); |
| vec_terminate_c_string (tag); |
| |
| rv = snat_add_static_mapping ( |
| local_addr, external_addr, local_port, external_port, vrf_id, |
| mp->flags & NAT_API_IS_ADDR_ONLY, external_sw_if_index, proto, mp->is_add, |
| twice_nat, mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0, pool_addr, 0); |
| vec_free (tag); |
| |
| REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_add_del_static_mapping_v2_t_handler |
| (vl_api_nat44_add_del_static_mapping_v2_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_add_del_static_mapping_v2_reply_t *rmp; |
| ip4_address_t local_addr, external_addr, pool_addr; |
| u16 local_port = 0, external_port = 0; |
| u32 vrf_id, external_sw_if_index; |
| twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; |
| int rv = 0; |
| nat_protocol_t proto; |
| u8 *tag = 0; |
| |
| memcpy (&pool_addr.as_u8, mp->pool_ip_address, 4); |
| memcpy (&local_addr.as_u8, mp->local_ip_address, 4); |
| memcpy (&external_addr.as_u8, mp->external_ip_address, 4); |
| |
| if (!(mp->flags & NAT_API_IS_ADDR_ONLY)) |
| { |
| local_port = mp->local_port; |
| external_port = mp->external_port; |
| } |
| |
| vrf_id = clib_net_to_host_u32 (mp->vrf_id); |
| external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index); |
| proto = ip_proto_to_nat_proto (mp->protocol); |
| |
| if (mp->flags & NAT_API_IS_TWICE_NAT) |
| twice_nat = TWICE_NAT; |
| else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT) |
| twice_nat = TWICE_NAT_SELF; |
| mp->tag[sizeof (mp->tag) - 1] = 0; |
| tag = format (0, "%s", mp->tag); |
| vec_terminate_c_string (tag); |
| |
| rv = snat_add_static_mapping (local_addr, external_addr, local_port, |
| external_port, vrf_id, |
| mp->flags & NAT_API_IS_ADDR_ONLY, |
| external_sw_if_index, proto, |
| mp->is_add, twice_nat, |
| mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0, |
| pool_addr, mp->match_pool); |
| vec_free (tag); |
| |
| REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_V2_REPLY); |
| } |
| |
| static void |
| send_nat44_static_mapping_details (snat_static_mapping_t * m, |
| vl_api_registration_t * reg, u32 context) |
| { |
| vl_api_nat44_static_mapping_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| u32 len = sizeof (*rmp); |
| |
| rmp = vl_msg_api_alloc (len); |
| clib_memset (rmp, 0, len); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); |
| |
| clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4); |
| clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4); |
| rmp->external_sw_if_index = ~0; |
| rmp->vrf_id = htonl (m->vrf_id); |
| rmp->context = context; |
| |
| if (m->twice_nat == TWICE_NAT) |
| rmp->flags |= NAT_API_IS_TWICE_NAT; |
| else if (m->twice_nat == TWICE_NAT_SELF) |
| rmp->flags |= NAT_API_IS_SELF_TWICE_NAT; |
| |
| if (is_out2in_only_static_mapping (m)) |
| rmp->flags |= NAT_API_IS_OUT2IN_ONLY; |
| |
| if (is_addr_only_static_mapping (m)) |
| { |
| rmp->flags |= NAT_API_IS_ADDR_ONLY; |
| } |
| else |
| { |
| rmp->protocol = nat_proto_to_ip_proto (m->proto); |
| rmp->external_port = m->external_port; |
| rmp->local_port = m->local_port; |
| } |
| |
| if (m->tag) |
| strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m, |
| vl_api_registration_t * reg, |
| u32 context) |
| { |
| vl_api_nat44_static_mapping_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); |
| clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4); |
| rmp->external_sw_if_index = htonl (m->sw_if_index); |
| rmp->vrf_id = htonl (m->vrf_id); |
| rmp->context = context; |
| |
| if (m->twice_nat) |
| rmp->flags |= NAT_API_IS_TWICE_NAT; |
| |
| if (m->addr_only) |
| { |
| rmp->flags |= NAT_API_IS_ADDR_ONLY; |
| } |
| else |
| { |
| rmp->protocol = nat_proto_to_ip_proto (m->proto); |
| rmp->external_port = m->e_port; |
| rmp->local_port = m->l_port; |
| } |
| if (m->tag) |
| strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t |
| * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_static_mapping_t *m; |
| snat_static_map_resolve_t *rp; |
| int j; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (m, sm->static_mappings) |
| { |
| if (!is_identity_static_mapping(m) && !is_lb_static_mapping (m)) |
| send_nat44_static_mapping_details (m, reg, mp->context); |
| } |
| /* *INDENT-ON* */ |
| |
| for (j = 0; j < vec_len (sm->to_resolve); j++) |
| { |
| rp = sm->to_resolve + j; |
| if (!rp->identity_nat) |
| send_nat44_static_map_resolve_details (rp, reg, mp->context); |
| } |
| } |
| |
| static void |
| vl_api_nat44_add_del_identity_mapping_t_handler |
| (vl_api_nat44_add_del_identity_mapping_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_add_del_identity_mapping_reply_t *rmp; |
| ip4_address_t addr, pool_addr = { 0 }; |
| u16 port = 0; |
| u32 vrf_id, sw_if_index; |
| int rv = 0; |
| nat_protocol_t proto = NAT_PROTOCOL_OTHER; |
| u8 *tag = 0; |
| |
| if (!(mp->flags & NAT_API_IS_ADDR_ONLY)) |
| { |
| port = mp->port; |
| proto = ip_proto_to_nat_proto (mp->protocol); |
| } |
| vrf_id = clib_net_to_host_u32 (mp->vrf_id); |
| sw_if_index = clib_net_to_host_u32 (mp->sw_if_index); |
| if (sw_if_index != ~0) |
| addr.as_u32 = 0; |
| else |
| memcpy (&addr.as_u8, mp->ip_address, 4); |
| mp->tag[sizeof (mp->tag) - 1] = 0; |
| tag = format (0, "%s", mp->tag); |
| vec_terminate_c_string (tag); |
| |
| rv = |
| snat_add_static_mapping (addr, addr, port, port, vrf_id, |
| mp->flags & NAT_API_IS_ADDR_ONLY, sw_if_index, |
| proto, mp->is_add, 0, 0, tag, 1, pool_addr, 0); |
| vec_free (tag); |
| |
| REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY); |
| } |
| |
| static void |
| send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index, |
| vl_api_registration_t * reg, u32 context) |
| { |
| vl_api_nat44_identity_mapping_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| nat44_lb_addr_port_t *local = pool_elt_at_index (m->locals, index); |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base); |
| |
| if (is_addr_only_static_mapping (m)) |
| rmp->flags |= NAT_API_IS_ADDR_ONLY; |
| |
| clib_memcpy (rmp->ip_address, &(m->local_addr), 4); |
| rmp->port = m->local_port; |
| rmp->sw_if_index = ~0; |
| rmp->vrf_id = htonl (local->vrf_id); |
| rmp->protocol = nat_proto_to_ip_proto (m->proto); |
| rmp->context = context; |
| if (m->tag) |
| strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m, |
| vl_api_registration_t * reg, |
| u32 context) |
| { |
| vl_api_nat44_identity_mapping_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base); |
| |
| if (m->addr_only) |
| rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY; |
| |
| rmp->port = m->l_port; |
| rmp->sw_if_index = htonl (m->sw_if_index); |
| rmp->vrf_id = htonl (m->vrf_id); |
| rmp->protocol = nat_proto_to_ip_proto (m->proto); |
| rmp->context = context; |
| if (m->tag) |
| strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_identity_mapping_dump_t_handler |
| (vl_api_nat44_identity_mapping_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_static_mapping_t *m; |
| snat_static_map_resolve_t *rp; |
| int j; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (m, sm->static_mappings) |
| { |
| if (is_identity_static_mapping(m) && !is_lb_static_mapping (m)) |
| { |
| pool_foreach_index (j, m->locals) |
| { |
| send_nat44_identity_mapping_details (m, j, reg, mp->context); |
| } |
| } |
| } |
| /* *INDENT-ON* */ |
| |
| for (j = 0; j < vec_len (sm->to_resolve); j++) |
| { |
| rp = sm->to_resolve + j; |
| if (rp->identity_nat) |
| send_nat44_identity_map_resolve_details (rp, reg, mp->context); |
| } |
| } |
| |
| static void |
| vl_api_nat44_add_del_interface_addr_t_handler |
| (vl_api_nat44_add_del_interface_addr_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_add_del_interface_addr_reply_t *rmp; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| int rv = 0; |
| u8 is_del; |
| |
| is_del = !mp->is_add; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| rv = snat_add_interface_address (sm, sw_if_index, is_del, |
| mp->flags & NAT_API_IS_TWICE_NAT); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY); |
| } |
| |
| static void |
| send_nat44_interface_addr_details (u32 sw_if_index, |
| vl_api_registration_t * reg, u32 context, |
| u8 twice_nat) |
| { |
| vl_api_nat44_interface_addr_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base); |
| rmp->sw_if_index = ntohl (sw_if_index); |
| |
| if (twice_nat) |
| rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_TWICE_NAT; |
| rmp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t |
| * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| u32 *i; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| vec_foreach (i, sm->auto_add_sw_if_indices) |
| send_nat44_interface_addr_details(*i, reg, mp->context, 0); |
| vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat) |
| send_nat44_interface_addr_details(*i, reg, mp->context, 1); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg, |
| u32 context) |
| { |
| vl_api_nat44_user_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| ip4_main_t *im = &ip4_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base); |
| |
| if (!pool_is_free_index (im->fibs, u->fib_index)) |
| { |
| fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4); |
| rmp->vrf_id = ntohl (fib->ft_table_id); |
| } |
| |
| clib_memcpy (rmp->ip_address, &(u->addr), 4); |
| rmp->nsessions = ntohl (u->nsessions); |
| rmp->nstaticsessions = ntohl (u->nstaticsessions); |
| rmp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| nat_ed_user_create_helper (snat_main_per_thread_data_t * tsm, |
| snat_session_t * s) |
| { |
| snat_user_key_t k; |
| k.addr = s->in2out.addr; |
| k.fib_index = s->in2out.fib_index; |
| clib_bihash_kv_8_8_t key, value; |
| key.key = k.as_u64; |
| snat_user_t *u; |
| if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value)) |
| { |
| pool_get (tsm->users, u); |
| u->addr = k.addr; |
| u->fib_index = k.fib_index; |
| u->nsessions = 0; |
| u->nstaticsessions = 0; |
| key.value = u - tsm->users; |
| clib_bihash_add_del_8_8 (&tsm->user_hash, &key, 1); |
| } |
| else |
| { |
| u = pool_elt_at_index (tsm->users, value.value); |
| } |
| if (snat_is_session_static (s)) |
| { |
| ++u->nstaticsessions; |
| } |
| else |
| { |
| ++u->nsessions; |
| } |
| } |
| |
| static void |
| nat_ed_users_create (snat_main_per_thread_data_t * tsm) |
| { |
| snat_session_t *s; |
| /* *INDENT-OFF* */ |
| pool_foreach (s, tsm->sessions) { nat_ed_user_create_helper (tsm, s); } |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| nat_ed_users_destroy (snat_main_per_thread_data_t * tsm) |
| { |
| snat_user_t *u; |
| /* *INDENT-OFF* */ |
| pool_flush (u, tsm->users, { }); |
| /* *INDENT-ON* */ |
| clib_bihash_free_8_8 (&tsm->user_hash); |
| clib_bihash_init_8_8 (&tsm->user_hash, "users", snat_main.user_buckets, 0); |
| clib_bihash_set_kvp_format_fn_8_8 (&tsm->user_hash, format_user_kvp); |
| } |
| |
| static void |
| vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_main_per_thread_data_t *tsm; |
| snat_user_t *u; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| vec_foreach (tsm, sm->per_thread_data) |
| { |
| if (sm->endpoint_dependent) |
| { |
| nat_ed_users_create (tsm); |
| } |
| pool_foreach (u, tsm->users) |
| { |
| send_nat44_user_details (u, reg, mp->context); |
| } |
| if (sm->endpoint_dependent) |
| { |
| nat_ed_users_destroy (tsm); |
| } |
| } |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| send_nat44_user_session_details (snat_session_t * s, |
| vl_api_registration_t * reg, u32 context) |
| { |
| vl_api_nat44_user_session_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base); |
| clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4); |
| clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4); |
| |
| if (snat_is_session_static (s)) |
| rmp->flags |= NAT_API_IS_STATIC; |
| |
| if (is_twice_nat_session (s)) |
| rmp->flags |= NAT_API_IS_TWICE_NAT; |
| |
| if (is_ed_session (s) || is_fwd_bypass_session (s)) |
| rmp->flags |= NAT_API_IS_EXT_HOST_VALID; |
| |
| rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard); |
| rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes); |
| rmp->total_pkts = ntohl (s->total_pkts); |
| rmp->context = context; |
| if (snat_is_unk_proto_session (s)) |
| { |
| rmp->outside_port = 0; |
| rmp->inside_port = 0; |
| rmp->protocol = ntohs (s->in2out.port); |
| } |
| else |
| { |
| rmp->outside_port = s->out2in.port; |
| rmp->inside_port = s->in2out.port; |
| rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto)); |
| } |
| if (is_ed_session (s) || is_fwd_bypass_session (s)) |
| { |
| clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4); |
| rmp->ext_host_port = s->ext_host_port; |
| if (is_twice_nat_session (s)) |
| { |
| clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4); |
| rmp->ext_host_nat_port = s->ext_host_nat_port; |
| } |
| } |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t * |
| mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_main_per_thread_data_t *tsm; |
| snat_session_t *s; |
| clib_bihash_kv_8_8_t key, value; |
| snat_user_key_t ukey; |
| snat_user_t *u; |
| u32 session_index, head_index, elt_index; |
| dlist_elt_t *head, *elt; |
| ip4_header_t ip; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| clib_memcpy (&ukey.addr, mp->ip_address, 4); |
| ip.src_address.as_u32 = ukey.addr.as_u32; |
| ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id)); |
| key.key = ukey.as_u64; |
| if (sm->num_workers > 1) |
| tsm = |
| vec_elt_at_index (sm->per_thread_data, |
| sm->worker_in2out_cb (&ip, ukey.fib_index, 0)); |
| else |
| tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); |
| if (!sm->endpoint_dependent) |
| { |
| if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value)) |
| return; |
| u = pool_elt_at_index (tsm->users, value.value); |
| if (!u->nsessions && !u->nstaticsessions) |
| return; |
| |
| head_index = u->sessions_per_user_list_head_index; |
| head = pool_elt_at_index (tsm->list_pool, head_index); |
| elt_index = head->next; |
| elt = pool_elt_at_index (tsm->list_pool, elt_index); |
| session_index = elt->value; |
| while (session_index != ~0) |
| { |
| s = pool_elt_at_index (tsm->sessions, session_index); |
| |
| send_nat44_user_session_details (s, reg, mp->context); |
| |
| elt_index = elt->next; |
| elt = pool_elt_at_index (tsm->list_pool, elt_index); |
| session_index = elt->value; |
| } |
| } |
| else |
| { |
| /* *INDENT-OFF* */ |
| pool_foreach (s, tsm->sessions) { |
| if (s->in2out.addr.as_u32 == ukey.addr.as_u32) |
| { |
| send_nat44_user_session_details (s, reg, mp->context); |
| } |
| } |
| /* *INDENT-ON* */ |
| } |
| } |
| |
| static nat44_lb_addr_port_t * |
| unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs, |
| u32 addr_port_pair_num) |
| { |
| u8 i; |
| nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port; |
| vl_api_nat44_lb_addr_port_t *ap; |
| |
| for (i = 0; i < addr_port_pair_num; i++) |
| { |
| ap = &addr_port_pairs[i]; |
| clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port)); |
| clib_memcpy (&lb_addr_port.addr, ap->addr, 4); |
| lb_addr_port.port = ap->port; |
| lb_addr_port.probability = ap->probability; |
| lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id); |
| vec_add1 (lb_addr_port_pairs, lb_addr_port); |
| } |
| |
| return lb_addr_port_pairs; |
| } |
| |
| static void |
| vl_api_nat44_add_del_lb_static_mapping_t_handler |
| (vl_api_nat44_add_del_lb_static_mapping_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp; |
| twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; |
| int rv = 0; |
| nat44_lb_addr_port_t *locals = 0; |
| ip4_address_t e_addr; |
| nat_protocol_t proto; |
| u8 *tag = 0; |
| |
| if (!sm->endpoint_dependent) |
| { |
| rv = VNET_API_ERROR_UNSUPPORTED; |
| goto send_reply; |
| } |
| |
| locals = |
| unformat_nat44_lb_addr_port (mp->locals, |
| clib_net_to_host_u32 (mp->local_num)); |
| clib_memcpy (&e_addr, mp->external_addr, 4); |
| proto = ip_proto_to_nat_proto (mp->protocol); |
| |
| if (mp->flags & NAT_API_IS_TWICE_NAT) |
| twice_nat = TWICE_NAT; |
| else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT) |
| twice_nat = TWICE_NAT_SELF; |
| mp->tag[sizeof (mp->tag) - 1] = 0; |
| tag = format (0, "%s", mp->tag); |
| vec_terminate_c_string (tag); |
| |
| rv = |
| nat44_add_del_lb_static_mapping (e_addr, |
| mp->external_port, |
| proto, locals, mp->is_add, |
| twice_nat, |
| mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, |
| clib_net_to_host_u32 (mp->affinity)); |
| |
| vec_free (locals); |
| vec_free (tag); |
| |
| send_reply: |
| REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_lb_static_mapping_add_del_local_t_handler |
| (vl_api_nat44_lb_static_mapping_add_del_local_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp; |
| int rv = 0; |
| ip4_address_t e_addr, l_addr; |
| nat_protocol_t proto; |
| |
| if (!sm->endpoint_dependent) |
| { |
| rv = VNET_API_ERROR_UNSUPPORTED; |
| goto send_reply; |
| } |
| |
| clib_memcpy (&e_addr, mp->external_addr, 4); |
| clib_memcpy (&l_addr, mp->local.addr, 4); |
| proto = ip_proto_to_nat_proto (mp->protocol); |
| |
| rv = |
| nat44_lb_static_mapping_add_del_local (e_addr, |
| mp->external_port, |
| l_addr, |
| mp->local.port, |
| proto, |
| clib_net_to_host_u32 (mp-> |
| local.vrf_id), |
| mp->local.probability, mp->is_add); |
| |
| send_reply: |
| REPLY_MACRO (VL_API_NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL_REPLY); |
| } |
| |
| static void |
| send_nat44_lb_static_mapping_details (snat_static_mapping_t * m, |
| vl_api_registration_t * reg, |
| u32 context) |
| { |
| vl_api_nat44_lb_static_mapping_details_t *rmp; |
| snat_main_t *sm = &snat_main; |
| nat44_lb_addr_port_t *ap; |
| vl_api_nat44_lb_addr_port_t *locals; |
| u32 local_num = 0; |
| |
| rmp = |
| vl_msg_api_alloc (sizeof (*rmp) + |
| (pool_elts (m->locals) * |
| sizeof (nat44_lb_addr_port_t))); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base); |
| |
| clib_memcpy (rmp->external_addr, &(m->external_addr), 4); |
| rmp->external_port = m->external_port; |
| rmp->protocol = nat_proto_to_ip_proto (m->proto); |
| rmp->context = context; |
| |
| if (m->twice_nat == TWICE_NAT) |
| rmp->flags |= NAT_API_IS_TWICE_NAT; |
| else if (m->twice_nat == TWICE_NAT_SELF) |
| rmp->flags |= NAT_API_IS_SELF_TWICE_NAT; |
| if (is_out2in_only_static_mapping (m)) |
| rmp->flags |= NAT_API_IS_OUT2IN_ONLY; |
| if (m->tag) |
| strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); |
| |
| locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals; |
| /* *INDENT-OFF* */ |
| pool_foreach (ap, m->locals) |
| { |
| clib_memcpy (locals->addr, &(ap->addr), 4); |
| locals->port = ap->port; |
| locals->probability = ap->probability; |
| locals->vrf_id = ntohl (ap->vrf_id); |
| locals++; |
| local_num++; |
| } |
| /* *INDENT-ON* */ |
| rmp->local_num = ntohl (local_num); |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| static void |
| vl_api_nat44_lb_static_mapping_dump_t_handler |
| (vl_api_nat44_lb_static_mapping_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| snat_static_mapping_t *m; |
| |
| if (!sm->endpoint_dependent) |
| return; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (m, sm->static_mappings) |
| { |
| if (is_lb_static_mapping(m)) |
| send_nat44_lb_static_mapping_details (m, reg, mp->context); |
| } |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_del_session_reply_t *rmp; |
| ip4_address_t addr, eh_addr; |
| u16 port, eh_port; |
| u32 vrf_id; |
| int rv = 0; |
| u8 is_in; |
| nat_protocol_t proto; |
| |
| memcpy (&addr.as_u8, mp->address, 4); |
| port = mp->port; |
| vrf_id = clib_net_to_host_u32 (mp->vrf_id); |
| proto = ip_proto_to_nat_proto (mp->protocol); |
| memcpy (&eh_addr.as_u8, mp->ext_host_address, 4); |
| eh_port = mp->ext_host_port; |
| |
| is_in = mp->flags & NAT_API_IS_INSIDE; |
| |
| if (mp->flags & NAT_API_IS_EXT_HOST_VALID) |
| rv = |
| nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol, |
| vrf_id, is_in); |
| else |
| rv = nat44_ei_del_session (sm, &addr, port, proto, vrf_id, is_in); |
| |
| REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_forwarding_enable_disable_t_handler |
| (vl_api_nat44_forwarding_enable_disable_t * mp) |
| { |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_forwarding_enable_disable_reply_t *rmp; |
| int rv = 0; |
| u32 *ses_to_be_removed = 0, *ses_index; |
| snat_main_per_thread_data_t *tsm; |
| snat_session_t *s; |
| |
| sm->forwarding_enabled = mp->enable != 0; |
| |
| if (mp->enable == 0) |
| { |
| /* *INDENT-OFF* */ |
| vec_foreach (tsm, sm->per_thread_data) |
| { |
| pool_foreach (s, tsm->sessions) |
| { |
| if (is_fwd_bypass_session(s)) |
| { |
| vec_add1 (ses_to_be_removed, s - tsm->sessions); |
| } |
| } |
| if(sm->endpoint_dependent){ |
| vec_foreach (ses_index, ses_to_be_removed) |
| { |
| s = pool_elt_at_index(tsm->sessions, ses_index[0]); |
| nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0); |
| nat_ed_session_delete (sm, s, tsm - sm->per_thread_data, 1); |
| } |
| }else{ |
| vec_foreach (ses_index, ses_to_be_removed) |
| { |
| s = pool_elt_at_index(tsm->sessions, ses_index[0]); |
| nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0); |
| nat44_delete_session (sm, s, tsm - sm->per_thread_data); |
| } |
| } |
| vec_free (ses_to_be_removed); |
| } |
| /* *INDENT-ON* */ |
| } |
| |
| REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY); |
| } |
| |
| static void |
| vl_api_nat44_forwarding_is_enabled_t_handler |
| (vl_api_nat44_forwarding_is_enabled_t * mp) |
| { |
| vl_api_registration_t *reg; |
| snat_main_t *sm = &snat_main; |
| vl_api_nat44_forwarding_is_enabled_reply_t *rmp; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| clib_memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = |
| ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base); |
| rmp->context = mp->context; |
| |
| rmp->enabled = sm->forwarding_enabled; |
| |
| vl_api_send_msg (reg, (u8 *) rmp); |
| } |
| |
| /* API definitions */ |
| #include <vnet/format_fns.h> |
| #include <nat/nat44.api.c> |
| |
| /* Set up the API message handling tables */ |
| clib_error_t * |
| nat44_api_hookup (vlib_main_t * vm) |
| { |
| snat_main_t *sm = &snat_main; |
| sm->msg_id_base = setup_message_id_table (); |
| return 0; |
| } |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |