[mirror_frr.git] / bgpd / bgp_vpn.c

/* VPN Related functions
 * Copyright (C) 2017 6WIND
 *
 * This file is part of FRRouting
 *
 * FRRouting is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * FRRouting is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>
#include "command.h"
#include "prefix.h"
#include "lib/json.h"

#include "bgpd/bgpd.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_table.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_mplsvpn.h"
#include "bgpd/bgp_vpn.h"
#include "bgpd/bgp_updgrp.h"

int show_adj_route_vpn(struct vty *vty, struct peer *peer,
		       struct prefix_rd *prd, afi_t afi, safi_t safi,
		       bool use_json)
{
	struct bgp *bgp;
	struct bgp_table *table;
	struct bgp_node *rn;
	struct bgp_node *rm;
	int rd_header;
	int header = 1;
	json_object *json = NULL;
	json_object *json_scode = NULL;
	json_object *json_ocode = NULL;
	json_object *json_adv = NULL;
	json_object *json_routes = NULL;
	char rd_str[BUFSIZ];
	unsigned long output_count = 0;

	bgp = bgp_get_default();
	if (bgp == NULL) {
		if (!use_json)
			vty_out(vty, "No BGP process is configured\n");
		else
			vty_out(vty, "{}\n");
		return CMD_WARNING;
	}

	if (use_json) {
		json_scode = json_object_new_object();
		json_ocode = json_object_new_object();
		json = json_object_new_object();
		json_adv = json_object_new_object();

		json_object_string_add(json_scode, "suppressed", "s");
		json_object_string_add(json_scode, "damped", "d");
		json_object_string_add(json_scode, "history", "h");
		json_object_string_add(json_scode, "valid", "*");
		json_object_string_add(json_scode, "best", ">");
		json_object_string_add(json_scode, "internal", "i");

		json_object_string_add(json_ocode, "igp", "i");
		json_object_string_add(json_ocode, "egp", "e");
		json_object_string_add(json_ocode, "incomplete", "?");
	}

	for (rn = bgp_table_top(bgp->rib[afi][safi]); rn;
	     rn = bgp_route_next(rn)) {
		if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0)
			continue;

		table = bgp_node_get_bgp_table_info(rn);
		if (table == NULL)
			continue;


		rd_header = 1;
		memset(rd_str, 0, sizeof(rd_str));

		for (rm = bgp_table_top(table); rm; rm = bgp_route_next(rm)) {
			struct bgp_adj_out *adj = NULL;
			struct attr *attr = NULL;
			struct peer_af *paf = NULL;

			RB_FOREACH (adj, bgp_adj_out_rb, &rm->adj_out)
				SUBGRP_FOREACH_PEER (adj->subgroup, paf) {
					if (paf->peer != peer || !adj->attr)
						continue;

					attr = adj->attr;
					break;
			}

			if (bgp_node_get_bgp_path_info(rm) == NULL)
				continue;

			if (!attr)
				continue;

			if (header) {
				if (use_json) {
					json_object_int_add(
						json, "bgpTableVersion", 0);
					json_object_string_add(
						json, "bgpLocalRouterId",
						inet_ntoa(bgp->router_id));
					json_object_int_add(
						json,
						"defaultLocPrf",
						bgp->default_local_pref);
					json_object_int_add(
						json, "localAS",
						bgp->as);
					json_object_object_add(json,
							       "bgpStatusCodes",
							       json_scode);
					json_object_object_add(json,
							       "bgpOriginCodes",
							       json_ocode);
				} else {
					vty_out(vty,
						"BGP table version is 0, local router ID is %s\n",
						inet_ntoa(bgp->router_id));
					vty_out(vty, "Default local pref %u, ",
						bgp->default_local_pref);
					vty_out(vty, "local AS %u\n", bgp->as);
					vty_out(vty,
						"Status codes: s suppressed, d damped, h history, * valid, > best, i - internal\n");
					vty_out(vty,
						"Origin codes: i - IGP, e - EGP, ? - incomplete\n\n");
					vty_out(vty, V4_HEADER);
				}
				header = 0;
			}

			if (rd_header) {
				uint16_t type;
				struct rd_as rd_as = {0};
				struct rd_ip rd_ip = {0};
#if ENABLE_BGP_VNC
				struct rd_vnc_eth rd_vnc_eth = {0};
#endif
				uint8_t *pnt;

				pnt = rn->p.u.val;

				/* Decode RD type. */
				type = decode_rd_type(pnt);
				/* Decode RD value. */
				if (type == RD_TYPE_AS)
					decode_rd_as(pnt + 2, &rd_as);
				else if (type == RD_TYPE_AS4)
					decode_rd_as4(pnt + 2, &rd_as);
				else if (type == RD_TYPE_IP)
					decode_rd_ip(pnt + 2, &rd_ip);
#if ENABLE_BGP_VNC
				else if (type == RD_TYPE_VNC_ETH)
					decode_rd_vnc_eth(pnt, &rd_vnc_eth);
#endif
				if (use_json) {
					json_routes = json_object_new_object();

					if (type == RD_TYPE_AS
					    || type == RD_TYPE_AS4)
						sprintf(rd_str, "%u:%d",
							rd_as.as, rd_as.val);
					else if (type == RD_TYPE_IP)
						sprintf(rd_str, "%s:%d",
							inet_ntoa(rd_ip.ip),
							rd_ip.val);
					json_object_string_add(
						json_routes,
						"rd", rd_str);
				} else {
					vty_out(vty, "Route Distinguisher: ");

					if (type == RD_TYPE_AS
					    || type == RD_TYPE_AS4)
						vty_out(vty, "%u:%d", rd_as.as,
							rd_as.val);
					else if (type == RD_TYPE_IP)
						vty_out(vty, "%s:%d",
							inet_ntoa(rd_ip.ip),
							rd_ip.val);
#if ENABLE_BGP_VNC
					else if (type == RD_TYPE_VNC_ETH)
						vty_out(vty,
							"%u:%02x:%02x:%02x:%02x:%02x:%02x",
							rd_vnc_eth.local_nve_id,
							rd_vnc_eth.macaddr
								.octet[0],
							rd_vnc_eth.macaddr
								.octet[1],
							rd_vnc_eth.macaddr
								.octet[2],
							rd_vnc_eth.macaddr
								.octet[3],
							rd_vnc_eth.macaddr
								.octet[4],
							rd_vnc_eth.macaddr
								.octet[5]);
#endif

					vty_out(vty, "\n");
				}
				rd_header = 0;
			}
			route_vty_out_tmp(vty, &rm->p, attr,
					  safi, use_json,
					  json_routes);
			output_count++;
		}

		if (use_json)
			json_object_object_add(json_adv, rd_str, json_routes);
	}

	if (use_json) {
		json_object_object_add(json, "advertisedRoutes", json_adv);
		json_object_int_add(json,
			"totalPrefixCounter", output_count);
		vty_out(vty, "%s\n", json_object_to_json_string_ext(
					     json, JSON_C_TO_STRING_PRETTY));
		json_object_free(json);
	} else
		vty_out(vty, "\nTotal number of prefixes %ld\n", output_count);

	return CMD_SUCCESS;
}
Commit	Line	Data
784d3a42	1	/* VPN Related functions
896014f4 DL	2	* Copyright (C) 2017 6WIND
	3	*
	4	* This file is part of FRRouting
	5	*
	6	* FRRouting is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2, or (at your option) any
	9	* later version.
	10	*
	11	* FRRouting is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along
	17	* with this program; see the file COPYING; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
784d3a42 PG	20
	21	#include <zebra.h>
	22	#include "command.h"
	23	#include "prefix.h"
	24	#include "lib/json.h"
	25
	26	#include "bgpd/bgpd.h"
	27	#include "bgpd/bgp_route.h"
	28	#include "bgpd/bgp_table.h"
	29	#include "bgpd/bgp_attr.h"
	30	#include "bgpd/bgp_mplsvpn.h"
	31	#include "bgpd/bgp_vpn.h"
dc387b0f	32	#include "bgpd/bgp_updgrp.h"
784d3a42	33
d62a17ae	34	int show_adj_route_vpn(struct vty vty, struct peer peer,
d62a17ae	35	struct prefix_rd *prd, afi_t afi, safi_t safi,
9f049418	36	bool use_json)
784d3a42	37	{
d62a17ae	38	struct bgp *bgp;
	39	struct bgp_table *table;
	40	struct bgp_node *rn;
	41	struct bgp_node *rm;
d62a17ae	42	int rd_header;
	43	int header = 1;
	44	json_object *json = NULL;
	45	json_object *json_scode = NULL;
	46	json_object *json_ocode = NULL;
dc387b0f	47	json_object *json_adv = NULL;
d62a17ae	48	json_object *json_routes = NULL;
dc387b0f LK	49	char rd_str[BUFSIZ];
dc387b0f LK	50	unsigned long output_count = 0;
d62a17ae	51
	52	bgp = bgp_get_default();
	53	if (bgp == NULL) {
	54	if (!use_json)
	55	vty_out(vty, "No BGP process is configured\n");
16307668 RW	56	else
16307668 RW	57	vty_out(vty, "{}\n");
d62a17ae	58	return CMD_WARNING;
	59	}
	60
	61	if (use_json) {
	62	json_scode = json_object_new_object();
	63	json_ocode = json_object_new_object();
d62a17ae	64	json = json_object_new_object();
dc387b0f	65	json_adv = json_object_new_object();
d62a17ae	66
	67	json_object_string_add(json_scode, "suppressed", "s");
	68	json_object_string_add(json_scode, "damped", "d");
	69	json_object_string_add(json_scode, "history", "h");
	70	json_object_string_add(json_scode, "valid", "*");
	71	json_object_string_add(json_scode, "best", ">");
	72	json_object_string_add(json_scode, "internal", "i");
	73
	74	json_object_string_add(json_ocode, "igp", "i");
	75	json_object_string_add(json_ocode, "egp", "e");
	76	json_object_string_add(json_ocode, "incomplete", "?");
	77	}
	78
dcc1615e	79	for (rn = bgp_table_top(bgp->rib[afi][safi]); rn;
d62a17ae	80	rn = bgp_route_next(rn)) {
	81	if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0)
	82	continue;
	83
67009e22	84	table = bgp_node_get_bgp_table_info(rn);
c4936a1a DS	85	if (table == NULL)
c4936a1a DS	86	continue;
d62a17ae	87
c4936a1a DS	88
c4936a1a DS	89	rd_header = 1;
dc387b0f	90	memset(rd_str, 0, sizeof(rd_str));
c4936a1a DS	91
c4936a1a DS	92	for (rm = bgp_table_top(table); rm; rm = bgp_route_next(rm)) {
dc387b0f LK	93	struct bgp_adj_out *adj = NULL;
	94	struct attr *attr = NULL;
	95	struct peer_af *paf = NULL;
	96
	97	RB_FOREACH (adj, bgp_adj_out_rb, &rm->adj_out)
	98	SUBGRP_FOREACH_PEER (adj->subgroup, paf) {
	99	if (paf->peer != peer \|\| !adj->attr)
	100	continue;
	101
	102	attr = adj->attr;
	103	break;
	104	}
	105
	106	if (bgp_node_get_bgp_path_info(rm) == NULL)
c4936a1a DS	107	continue;
c4936a1a DS	108
10d5be75 LK	109	if (!attr)
	110	continue;
	111
c4936a1a DS	112	if (header) {
	113	if (use_json) {
	114	json_object_int_add(
	115	json, "bgpTableVersion", 0);
	116	json_object_string_add(
	117	json, "bgpLocalRouterId",
	118	inet_ntoa(bgp->router_id));
dc387b0f LK	119	json_object_int_add(
	120	json,
	121	"defaultLocPrf",
	122	bgp->default_local_pref);
	123	json_object_int_add(
	124	json, "localAS",
	125	bgp->as);
c4936a1a DS	126	json_object_object_add(json,
	127	"bgpStatusCodes",
	128	json_scode);
	129	json_object_object_add(json,
	130	"bgpOriginCodes",
	131	json_ocode);
	132	} else {
	133	vty_out(vty,
	134	"BGP table version is 0, local router ID is %s\n",
	135	inet_ntoa(bgp->router_id));
dc387b0f LK	136	vty_out(vty, "Default local pref %u, ",
	137	bgp->default_local_pref);
	138	vty_out(vty, "local AS %u\n", bgp->as);
c4936a1a DS	139	vty_out(vty,
	140	"Status codes: s suppressed, d damped, h history, * valid, > best, i - internal\n");
	141	vty_out(vty,
	142	"Origin codes: i - IGP, e - EGP, ? - incomplete\n\n");
	143	vty_out(vty, V4_HEADER);
	144	}
	145	header = 0;
	146	}
d62a17ae	147
c4936a1a DS	148	if (rd_header) {
	149	uint16_t type;
	150	struct rd_as rd_as = {0};
	151	struct rd_ip rd_ip = {0};
784d3a42	152	#if ENABLE_BGP_VNC
c4936a1a	153	struct rd_vnc_eth rd_vnc_eth = {0};
784d3a42	154	#endif
c4936a1a DS	155	uint8_t *pnt;
	156
	157	pnt = rn->p.u.val;
	158
	159	/* Decode RD type. */
	160	type = decode_rd_type(pnt);
	161	/* Decode RD value. */
	162	if (type == RD_TYPE_AS)
	163	decode_rd_as(pnt + 2, &rd_as);
	164	else if (type == RD_TYPE_AS4)
	165	decode_rd_as4(pnt + 2, &rd_as);
	166	else if (type == RD_TYPE_IP)
	167	decode_rd_ip(pnt + 2, &rd_ip);
784d3a42	168	#if ENABLE_BGP_VNC
c4936a1a DS	169	else if (type == RD_TYPE_VNC_ETH)
c4936a1a DS	170	decode_rd_vnc_eth(pnt, &rd_vnc_eth);
784d3a42	171	#endif
c4936a1a	172	if (use_json) {
dc387b0f LK	173	json_routes = json_object_new_object();
dc387b0f LK	174
c4936a1a DS	175	if (type == RD_TYPE_AS
c4936a1a DS	176	\|\| type == RD_TYPE_AS4)
dc387b0f	177	sprintf(rd_str, "%u:%d",
c4936a1a DS	178	rd_as.as, rd_as.val);
c4936a1a DS	179	else if (type == RD_TYPE_IP)
dc387b0f	180	sprintf(rd_str, "%s:%d",
c4936a1a DS	181	inet_ntoa(rd_ip.ip),
	182	rd_ip.val);
	183	json_object_string_add(
	184	json_routes,
dc387b0f	185	"rd", rd_str);
c4936a1a DS	186	} else {
	187	vty_out(vty, "Route Distinguisher: ");
	188
	189	if (type == RD_TYPE_AS
	190	\|\| type == RD_TYPE_AS4)
	191	vty_out(vty, "%u:%d", rd_as.as,
	192	rd_as.val);
	193	else if (type == RD_TYPE_IP)
	194	vty_out(vty, "%s:%d",
	195	inet_ntoa(rd_ip.ip),
	196	rd_ip.val);
784d3a42	197	#if ENABLE_BGP_VNC
c4936a1a DS	198	else if (type == RD_TYPE_VNC_ETH)
	199	vty_out(vty,
	200	"%u:%02x:%02x:%02x:%02x:%02x:%02x",
	201	rd_vnc_eth.local_nve_id,
	202	rd_vnc_eth.macaddr
	203	.octet[0],
	204	rd_vnc_eth.macaddr
	205	.octet[1],
	206	rd_vnc_eth.macaddr
	207	.octet[2],
	208	rd_vnc_eth.macaddr
	209	.octet[3],
	210	rd_vnc_eth.macaddr
	211	.octet[4],
	212	rd_vnc_eth.macaddr
	213	.octet[5]);
784d3a42 PG	214	#endif
784d3a42 PG	215
c4936a1a	216	vty_out(vty, "\n");
d62a17ae	217	}
c4936a1a DS	218	rd_header = 0;
c4936a1a DS	219	}
dc387b0f LK	220	route_vty_out_tmp(vty, &rm->p, attr,
	221	safi, use_json,
	222	json_routes);
	223	output_count++;
d62a17ae	224	}
dc387b0f LK	225
	226	if (use_json)
	227	json_object_object_add(json_adv, rd_str, json_routes);
d62a17ae	228	}
dc387b0f	229
d62a17ae	230	if (use_json) {
dc387b0f LK	231	json_object_object_add(json, "advertisedRoutes", json_adv);
	232	json_object_int_add(json,
	233	"totalPrefixCounter", output_count);
9d303b37 DL	234	vty_out(vty, "%s\n", json_object_to_json_string_ext(
9d303b37 DL	235	json, JSON_C_TO_STRING_PRETTY));
d62a17ae	236	json_object_free(json);
dc387b0f LK	237	} else
	238	vty_out(vty, "\nTotal number of prefixes %ld\n", output_count);
	239
d62a17ae	240	return CMD_SUCCESS;
784d3a42	241	}