[mirror_iproute2.git] / ip / ipmonitor.c

/*
 * ipmonitor.c		"ip monitor".
 *
 *		This program 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 of the License, or (at your option) any later version.
 *
 * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <time.h>

#include "utils.h"
#include "ip_common.h"

static void usage(void) __attribute__((noreturn));
static int prefix_banner;
int listen_all_nsid;

static void usage(void)
{
	fprintf(stderr,
		"Usage: ip monitor [ all | LISTofOBJECTS ] [ FILE ] [ label ] [all-nsid] [dev DEVICE]\n"
		"LISTofOBJECTS := link | address | route | mroute | prefix |\n"
		"		 neigh | netconf | rule | nsid\n"
		"FILE := file FILENAME\n");
	exit(-1);
}

static void print_headers(FILE *fp, char *label, struct rtnl_ctrl_data *ctrl)
{
	if (timestamp)
		print_timestamp(fp);

	if (listen_all_nsid) {
		if (ctrl == NULL || ctrl->nsid < 0)
			fprintf(fp, "[nsid current]");
		else
			fprintf(fp, "[nsid %d]", ctrl->nsid);
	}

	if (prefix_banner)
		fprintf(fp, "%s", label);
}

static int accept_msg(struct rtnl_ctrl_data *ctrl,
		      struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;

	switch (n->nlmsg_type) {
	case RTM_NEWROUTE:
	case RTM_DELROUTE: {
		struct rtmsg *r = NLMSG_DATA(n);
		int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r));

		if (len < 0) {
			fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
			return -1;
		}

		if (r->rtm_flags & RTM_F_CLONED)
			return 0;

		if (r->rtm_family == RTNL_FAMILY_IPMR ||
		    r->rtm_family == RTNL_FAMILY_IP6MR) {
			print_headers(fp, "[MROUTE]", ctrl);
			print_mroute(n, arg);
			return 0;
		} else {
			print_headers(fp, "[ROUTE]", ctrl);
			print_route(n, arg);
			return 0;
		}
	}

	case RTM_NEWNEXTHOP:
	case RTM_DELNEXTHOP:
		print_headers(fp, "[NEXTHOP]", ctrl);
		print_nexthop(n, arg);
		return 0;

	case RTM_NEWLINK:
	case RTM_DELLINK:
		ll_remember_index(n, NULL);
		print_headers(fp, "[LINK]", ctrl);
		print_linkinfo(n, arg);
		return 0;

	case RTM_NEWADDR:
	case RTM_DELADDR:
		print_headers(fp, "[ADDR]", ctrl);
		print_addrinfo(n, arg);
		return 0;

	case RTM_NEWADDRLABEL:
	case RTM_DELADDRLABEL:
		print_headers(fp, "[ADDRLABEL]", ctrl);
		print_addrlabel(n, arg);
		return 0;

	case RTM_NEWNEIGH:
	case RTM_DELNEIGH:
	case RTM_GETNEIGH:
		if (preferred_family) {
			struct ndmsg *r = NLMSG_DATA(n);

			if (r->ndm_family != preferred_family)
				return 0;
		}

		print_headers(fp, "[NEIGH]", ctrl);
		print_neigh(n, arg);
		return 0;

	case RTM_NEWPREFIX:
		print_headers(fp, "[PREFIX]", ctrl);
		print_prefix(n, arg);
		return 0;

	case RTM_NEWRULE:
	case RTM_DELRULE:
		print_headers(fp, "[RULE]", ctrl);
		print_rule(n, arg);
		return 0;

	case NLMSG_TSTAMP:
		print_nlmsg_timestamp(fp, n);
		return 0;

	case RTM_NEWNETCONF:
	case RTM_DELNETCONF:
		print_headers(fp, "[NETCONF]", ctrl);
		print_netconf(ctrl, n, arg);
		return 0;

	case RTM_DELNSID:
	case RTM_NEWNSID:
		print_headers(fp, "[NSID]", ctrl);
		print_nsid(n, arg);
		return 0;

	case NLMSG_ERROR:
	case NLMSG_NOOP:
	case NLMSG_DONE:
		break;	/* ignore */

	default:
		fprintf(stderr,
			"Unknown message: type=0x%08x(%d) flags=0x%08x(%d) len=0x%08x(%d)\n",
			n->nlmsg_type, n->nlmsg_type,
			n->nlmsg_flags, n->nlmsg_flags, n->nlmsg_len,
			n->nlmsg_len);
	}
	return 0;
}

int do_ipmonitor(int argc, char **argv)
{
	int lnexthop = 0, nh_set = 1;
	char *file = NULL;
	unsigned int groups = 0;
	int llink = 0;
	int laddr = 0;
	int lroute = 0;
	int lmroute = 0;
	int lprefix = 0;
	int lneigh = 0;
	int lnetconf = 0;
	int lrule = 0;
	int lnsid = 0;
	int ifindex = 0;

	groups |= nl_mgrp(RTNLGRP_LINK);
	groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
	groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
	groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
	groups |= nl_mgrp(RTNLGRP_NEIGH);
	groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
	groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
	groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
	groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
	groups |= nl_mgrp(RTNLGRP_NSID);
	groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);

	rtnl_close(&rth);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "label") == 0) {
			prefix_banner = 1;
		} else if (matches(*argv, "link") == 0) {
			llink = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "address") == 0) {
			laddr = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "route") == 0) {
			lroute = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "mroute") == 0) {
			lmroute = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "prefix") == 0) {
			lprefix = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "neigh") == 0) {
			lneigh = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "netconf") == 0) {
			lnetconf = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "rule") == 0) {
			lrule = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "nsid") == 0) {
			lnsid = 1;
			groups = 0;
			nh_set = 0;
		} else if (matches(*argv, "nexthop") == 0) {
			lnexthop = 1;
			groups = 0;
		} else if (strcmp(*argv, "all") == 0) {
			prefix_banner = 1;
		} else if (matches(*argv, "all-nsid") == 0) {
			listen_all_nsid = 1;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();

			ifindex = ll_name_to_index(*argv);
			if (!ifindex)
				invarg("Device does not exist\n", *argv);
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	ipaddr_reset_filter(1, ifindex);
	iproute_reset_filter(ifindex);
	ipmroute_reset_filter(ifindex);
	ipneigh_reset_filter(ifindex);
	ipnetconf_reset_filter(ifindex);

	if (llink)
		groups |= nl_mgrp(RTNLGRP_LINK);
	if (laddr) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	}
	if (lroute) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
		if (!preferred_family || preferred_family == AF_MPLS)
			groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
	}
	if (lmroute) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
	}
	if (lprefix) {
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
	}
	if (lneigh) {
		groups |= nl_mgrp(RTNLGRP_NEIGH);
	}
	if (lnetconf) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
		if (!preferred_family || preferred_family == AF_MPLS)
			groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);
	}
	if (lrule) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
	}
	if (lnsid) {
		groups |= nl_mgrp(RTNLGRP_NSID);
	}
	if (nh_set)
		lnexthop = 1;

	if (file) {
		FILE *fp;
		int err;

		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		err = rtnl_from_file(fp, accept_msg, stdout);
		fclose(fp);
		return err;
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);

	if (lnexthop && rtnl_add_nl_group(&rth, RTNLGRP_NEXTHOP) < 0) {
		fprintf(stderr, "Failed to add nexthop group to list\n");
		exit(1);
	}

	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
		exit(1);

	ll_init_map(&rth);
	netns_nsid_socket_init();
	netns_map_init();

	if (rtnl_listen(&rth, accept_msg, stdout) < 0)
		exit(2);

	return 0;
}
Commit	Line	Data
aba5acdf SH	1	/*
	2	* ipmonitor.c "ip monitor".
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version
	7	* 2 of the License, or (at your option) any later version.
	8	*
	9	* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
	10	*
	11	*/
	12
	13	#include <stdio.h>
	14	#include <stdlib.h>
	15	#include <unistd.h>
aba5acdf SH	16	#include <fcntl.h>
	17	#include <sys/socket.h>
	18	#include <netinet/in.h>
	19	#include <arpa/inet.h>
	20	#include <string.h>
	21	#include <time.h>
	22
	23	#include "utils.h"
	24	#include "ip_common.h"
	25
	26	static void usage(void) __attribute__((noreturn));
3e4b255c	27	static int prefix_banner;
449b824a	28	int listen_all_nsid;
aba5acdf SH	29
	30	static void usage(void)
	31	{
8589eb4e MC	32	fprintf(stderr,
	33	"Usage: ip monitor [ all \| LISTofOBJECTS ] [ FILE ] [ label ] [all-nsid] [dev DEVICE]\n"
	34	"LISTofOBJECTS := link \| address \| route \| mroute \| prefix \|\n"
	35	" neigh \| netconf \| rule \| nsid\n"
	36	"FILE := file FILENAME\n");
aba5acdf SH	37	exit(-1);
	38	}
	39
449b824a	40	static void print_headers(FILE fp, char label, struct rtnl_ctrl_data *ctrl)
3b0006f8 ND	41	{
	42	if (timestamp)
	43	print_timestamp(fp);
	44
449b824a ND	45	if (listen_all_nsid) {
	46	if (ctrl == NULL \|\| ctrl->nsid < 0)
	47	fprintf(fp, "[nsid current]");
	48	else
	49	fprintf(fp, "[nsid %d]", ctrl->nsid);
	50	}
	51
3b0006f8 ND	52	if (prefix_banner)
	53	fprintf(fp, "%s", label);
	54	}
	55
cd554f2c	56	static int accept_msg(struct rtnl_ctrl_data *ctrl,
d1f28cf1	57	struct nlmsghdr n, void arg)
aba5acdf	58	{
56f5daac	59	FILE fp = (FILE )arg;
aba5acdf	60
40443f49 SH	61	switch (n->nlmsg_type) {
	62	case RTM_NEWROUTE:
	63	case RTM_DELROUTE: {
e34d3dcc ND	64	struct rtmsg *r = NLMSG_DATA(n);
	65	int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r));
	66
	67	if (len < 0) {
	68	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	69	return -1;
	70	}
	71
2271779d	72	if (r->rtm_flags & RTM_F_CLONED)
	73	return 0;
	74
e34d3dcc ND	75	if (r->rtm_family == RTNL_FAMILY_IPMR \|\|
e34d3dcc ND	76	r->rtm_family == RTNL_FAMILY_IP6MR) {
449b824a	77	print_headers(fp, "[MROUTE]", ctrl);
cd554f2c	78	print_mroute(n, arg);
e34d3dcc ND	79	return 0;
e34d3dcc ND	80	} else {
449b824a	81	print_headers(fp, "[ROUTE]", ctrl);
cd554f2c	82	print_route(n, arg);
e34d3dcc ND	83	return 0;
e34d3dcc ND	84	}
aba5acdf	85	}
2271779d	86
e7cd93e7 DA	87	case RTM_NEWNEXTHOP:
	88	case RTM_DELNEXTHOP:
	89	print_headers(fp, "[NEXTHOP]", ctrl);
	90	print_nexthop(n, arg);
	91	return 0;
	92
40443f49 SH	93	case RTM_NEWLINK:
40443f49 SH	94	case RTM_DELLINK:
cd554f2c	95	ll_remember_index(n, NULL);
449b824a	96	print_headers(fp, "[LINK]", ctrl);
cd554f2c	97	print_linkinfo(n, arg);
aba5acdf	98	return 0;
40443f49 SH	99
	100	case RTM_NEWADDR:
	101	case RTM_DELADDR:
449b824a	102	print_headers(fp, "[ADDR]", ctrl);
cd554f2c	103	print_addrinfo(n, arg);
aba5acdf	104	return 0;
40443f49 SH	105
	106	case RTM_NEWADDRLABEL:
	107	case RTM_DELADDRLABEL:
449b824a	108	print_headers(fp, "[ADDRLABEL]", ctrl);
cd554f2c	109	print_addrlabel(n, arg);
4759758c	110	return 0;
40443f49 SH	111
	112	case RTM_NEWNEIGH:
	113	case RTM_DELNEIGH:
	114	case RTM_GETNEIGH:
00185653 SH	115	if (preferred_family) {
	116	struct ndmsg *r = NLMSG_DATA(n);
	117
	118	if (r->ndm_family != preferred_family)
	119	return 0;
	120	}
	121
449b824a	122	print_headers(fp, "[NEIGH]", ctrl);
cd554f2c	123	print_neigh(n, arg);
aba5acdf	124	return 0;
40443f49 SH	125
40443f49 SH	126	case RTM_NEWPREFIX:
449b824a	127	print_headers(fp, "[PREFIX]", ctrl);
cd554f2c	128	print_prefix(n, arg);
1cb54e58	129	return 0;
40443f49 SH	130
	131	case RTM_NEWRULE:
	132	case RTM_DELRULE:
449b824a	133	print_headers(fp, "[RULE]", ctrl);
cd554f2c	134	print_rule(n, arg);
98bde989	135	return 0;
40443f49 SH	136
	137	case NLMSG_TSTAMP:
	138	print_nlmsg_timestamp(fp, n);
	139	return 0;
	140
	141	case RTM_NEWNETCONF:
e09d21f6	142	case RTM_DELNETCONF:
449b824a	143	print_headers(fp, "[NETCONF]", ctrl);
cd554f2c	144	print_netconf(ctrl, n, arg);
9d0efc10	145	return 0;
40443f49 SH	146
	147	case RTM_DELNSID:
	148	case RTM_NEWNSID:
449b824a	149	print_headers(fp, "[NSID]", ctrl);
cd554f2c	150	print_nsid(n, arg);
d652ccbf	151	return 0;
40443f49 SH	152
	153	case NLMSG_ERROR:
	154	case NLMSG_NOOP:
	155	case NLMSG_DONE:
	156	break; /* ignore */
	157
	158	default:
	159	fprintf(stderr,
	160	"Unknown message: type=0x%08x(%d) flags=0x%08x(%d) len=0x%08x(%d)\n",
56f5daac	161	n->nlmsg_type, n->nlmsg_type,
40aadf8b	162	n->nlmsg_flags, n->nlmsg_flags, n->nlmsg_len,
40aadf8b	163	n->nlmsg_len);
aba5acdf SH	164	}
	165	return 0;
	166	}
	167
	168	int do_ipmonitor(int argc, char **argv)
	169	{
e7cd93e7	170	int lnexthop = 0, nh_set = 1;
aba5acdf	171	char *file = NULL;
56f5daac SH	172	unsigned int groups = 0;
	173	int llink = 0;
	174	int laddr = 0;
	175	int lroute = 0;
	176	int lmroute = 0;
	177	int lprefix = 0;
	178	int lneigh = 0;
	179	int lnetconf = 0;
	180	int lrule = 0;
	181	int lnsid = 0;
	182	int ifindex = 0;
aba5acdf	183
6fcabac5	184	groups \|= nl_mgrp(RTNLGRP_LINK);
	185	groups \|= nl_mgrp(RTNLGRP_IPV4_IFADDR);
	186	groups \|= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	187	groups \|= nl_mgrp(RTNLGRP_IPV4_ROUTE);
	188	groups \|= nl_mgrp(RTNLGRP_IPV6_ROUTE);
dacc5d41	189	groups \|= nl_mgrp(RTNLGRP_MPLS_ROUTE);
6fcabac5	190	groups \|= nl_mgrp(RTNLGRP_IPV4_MROUTE);
	191	groups \|= nl_mgrp(RTNLGRP_IPV6_MROUTE);
	192	groups \|= nl_mgrp(RTNLGRP_IPV6_PREFIX);
	193	groups \|= nl_mgrp(RTNLGRP_NEIGH);
	194	groups \|= nl_mgrp(RTNLGRP_IPV4_NETCONF);
	195	groups \|= nl_mgrp(RTNLGRP_IPV6_NETCONF);
2dd5909d ND	196	groups \|= nl_mgrp(RTNLGRP_IPV4_RULE);
2dd5909d ND	197	groups \|= nl_mgrp(RTNLGRP_IPV6_RULE);
d652ccbf	198	groups \|= nl_mgrp(RTNLGRP_NSID);
76f7d89d	199	groups \|= nl_mgrp(RTNLGRP_MPLS_NETCONF);
6fcabac5	200
fc57a9df	201	rtnl_close(&rth);
aba5acdf SH	202
	203	while (argc > 0) {
	204	if (matches(*argv, "file") == 0) {
	205	NEXT_ARG();
	206	file = *argv;
488c41d2 MS	207	} else if (matches(*argv, "label") == 0) {
488c41d2 MS	208	prefix_banner = 1;
aba5acdf	209	} else if (matches(*argv, "link") == 0) {
56f5daac	210	llink = 1;
aba5acdf	211	groups = 0;
e7cd93e7	212	nh_set = 0;
aba5acdf	213	} else if (matches(*argv, "address") == 0) {
56f5daac	214	laddr = 1;
aba5acdf	215	groups = 0;
e7cd93e7	216	nh_set = 0;
aba5acdf	217	} else if (matches(*argv, "route") == 0) {
56f5daac	218	lroute = 1;
aba5acdf	219	groups = 0;
e7cd93e7	220	nh_set = 0;
e34d3dcc	221	} else if (matches(*argv, "mroute") == 0) {
56f5daac	222	lmroute = 1;
e34d3dcc	223	groups = 0;
e7cd93e7	224	nh_set = 0;
1cb54e58	225	} else if (matches(*argv, "prefix") == 0) {
56f5daac	226	lprefix = 1;
1cb54e58	227	groups = 0;
e7cd93e7	228	nh_set = 0;
fb063322	229	} else if (matches(*argv, "neigh") == 0) {
6cdbf370 AH	230	lneigh = 1;
6cdbf370 AH	231	groups = 0;
e7cd93e7	232	nh_set = 0;
9d0efc10 ND	233	} else if (matches(*argv, "netconf") == 0) {
	234	lnetconf = 1;
	235	groups = 0;
e7cd93e7	236	nh_set = 0;
2dd5909d ND	237	} else if (matches(*argv, "rule") == 0) {
	238	lrule = 1;
	239	groups = 0;
e7cd93e7	240	nh_set = 0;
d652ccbf ND	241	} else if (matches(*argv, "nsid") == 0) {
	242	lnsid = 1;
	243	groups = 0;
e7cd93e7 DA	244	nh_set = 0;
	245	} else if (matches(*argv, "nexthop") == 0) {
	246	lnexthop = 1;
	247	groups = 0;
aba5acdf	248	} else if (strcmp(*argv, "all") == 0) {
56f5daac	249	prefix_banner = 1;
a9390c92 RP	250	} else if (matches(*argv, "all-nsid") == 0) {
a9390c92 RP	251	listen_all_nsid = 1;
aba5acdf SH	252	} else if (matches(*argv, "help") == 0) {
aba5acdf SH	253	usage();
093b7646	254	} else if (strcmp(*argv, "dev") == 0) {
	255	NEXT_ARG();
	256
	257	ifindex = ll_name_to_index(*argv);
	258	if (!ifindex)
	259	invarg("Device does not exist\n", *argv);
aba5acdf SH	260	} else {
	261	fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
	262	exit(-1);
	263	}
	264	argc--; argv++;
	265	}
	266
093b7646	267	ipaddr_reset_filter(1, ifindex);
	268	iproute_reset_filter(ifindex);
	269	ipmroute_reset_filter(ifindex);
	270	ipneigh_reset_filter(ifindex);
	271	ipnetconf_reset_filter(ifindex);
	272
aba5acdf	273	if (llink)
b64f58b0	274	groups \|= nl_mgrp(RTNLGRP_LINK);
aba5acdf SH	275	if (laddr) {
aba5acdf SH	276	if (!preferred_family \|\| preferred_family == AF_INET)
b64f58b0	277	groups \|= nl_mgrp(RTNLGRP_IPV4_IFADDR);
aba5acdf	278	if (!preferred_family \|\| preferred_family == AF_INET6)
b64f58b0	279	groups \|= nl_mgrp(RTNLGRP_IPV6_IFADDR);
aba5acdf SH	280	}
	281	if (lroute) {
	282	if (!preferred_family \|\| preferred_family == AF_INET)
b64f58b0	283	groups \|= nl_mgrp(RTNLGRP_IPV4_ROUTE);
aba5acdf	284	if (!preferred_family \|\| preferred_family == AF_INET6)
b64f58b0	285	groups \|= nl_mgrp(RTNLGRP_IPV6_ROUTE);
dacc5d41 EB	286	if (!preferred_family \|\| preferred_family == AF_MPLS)
dacc5d41 EB	287	groups \|= nl_mgrp(RTNLGRP_MPLS_ROUTE);
aba5acdf	288	}
e34d3dcc ND	289	if (lmroute) {
	290	if (!preferred_family \|\| preferred_family == AF_INET)
	291	groups \|= nl_mgrp(RTNLGRP_IPV4_MROUTE);
	292	if (!preferred_family \|\| preferred_family == AF_INET6)
	293	groups \|= nl_mgrp(RTNLGRP_IPV6_MROUTE);
	294	}
1cb54e58	295	if (lprefix) {
1cb54e58	296	if (!preferred_family \|\| preferred_family == AF_INET6)
b64f58b0	297	groups \|= nl_mgrp(RTNLGRP_IPV6_PREFIX);
1cb54e58	298	}
fb063322 VC	299	if (lneigh) {
	300	groups \|= nl_mgrp(RTNLGRP_NEIGH);
	301	}
9d0efc10 ND	302	if (lnetconf) {
	303	if (!preferred_family \|\| preferred_family == AF_INET)
	304	groups \|= nl_mgrp(RTNLGRP_IPV4_NETCONF);
	305	if (!preferred_family \|\| preferred_family == AF_INET6)
	306	groups \|= nl_mgrp(RTNLGRP_IPV6_NETCONF);
76f7d89d DA	307	if (!preferred_family \|\| preferred_family == AF_MPLS)
76f7d89d DA	308	groups \|= nl_mgrp(RTNLGRP_MPLS_NETCONF);
9d0efc10	309	}
2dd5909d ND	310	if (lrule) {
	311	if (!preferred_family \|\| preferred_family == AF_INET)
	312	groups \|= nl_mgrp(RTNLGRP_IPV4_RULE);
	313	if (!preferred_family \|\| preferred_family == AF_INET6)
	314	groups \|= nl_mgrp(RTNLGRP_IPV6_RULE);
	315	}
d652ccbf ND	316	if (lnsid) {
	317	groups \|= nl_mgrp(RTNLGRP_NSID);
	318	}
e7cd93e7 DA	319	if (nh_set)
	320	lnexthop = 1;
	321
aba5acdf SH	322	if (file) {
aba5acdf SH	323	FILE *fp;
e49b51d6 SH	324	int err;
e49b51d6 SH	325
aba5acdf SH	326	fp = fopen(file, "r");
	327	if (fp == NULL) {
	328	perror("Cannot fopen");
	329	exit(-1);
	330	}
e49b51d6 SH	331	err = rtnl_from_file(fp, accept_msg, stdout);
	332	fclose(fp);
	333	return err;
aba5acdf SH	334	}
aba5acdf SH	335
fc57a9df SH	336	if (rtnl_open(&rth, groups) < 0)
fc57a9df SH	337	exit(1);
e7cd93e7 DA	338
	339	if (lnexthop && rtnl_add_nl_group(&rth, RTNLGRP_NEXTHOP) < 0) {
	340	fprintf(stderr, "Failed to add nexthop group to list\n");
	341	exit(1);
	342	}
	343
449b824a ND	344	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
	345	exit(1);
	346
aba5acdf	347	ll_init_map(&rth);
e29a8e05	348	netns_nsid_socket_init();
d652ccbf	349	netns_map_init();
aba5acdf	350
fc57a9df	351	if (rtnl_listen(&rth, accept_msg, stdout) < 0)
aba5acdf SH	352	exit(2);
aba5acdf SH	353
351efcde	354	return 0;
aba5acdf	355	}