osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 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> |
| 16 | #include <syslog.h> |
| 17 | #include <fcntl.h> |
| 18 | #include <sys/socket.h> |
| 19 | #include <netinet/in.h> |
| 20 | #include <arpa/inet.h> |
| 21 | #include <string.h> |
| 22 | #include <time.h> |
| 23 | |
| 24 | #include "utils.h" |
| 25 | #include "ip_common.h" |
| 26 | |
| 27 | static void usage(void) __attribute__((noreturn)); |
Varun Chandramohan | 4b6e07d | 2009-03-12 13:42:43 +0530 | [diff] [blame] | 28 | int prefix_banner; |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 29 | int listen_all_nsid; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 30 | |
| 31 | static void usage(void) |
| 32 | { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 33 | fprintf(stderr, "Usage: ip monitor [ all | LISTofOBJECTS ] [ FILE ] [ label ] [all-nsid] [dev DEVICE]\n"); |
Nicolas Dichtel | cbe195d | 2012-12-17 17:41:27 +0100 | [diff] [blame] | 34 | fprintf(stderr, "LISTofOBJECTS := link | address | route | mroute | prefix |\n"); |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 35 | fprintf(stderr, " neigh | netconf | rule | nsid\n"); |
Nicolas Dichtel | cbe195d | 2012-12-17 17:41:27 +0100 | [diff] [blame] | 36 | fprintf(stderr, "FILE := file FILENAME\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 37 | exit(-1); |
| 38 | } |
| 39 | |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 40 | static void print_headers(FILE *fp, char *label, struct rtnl_ctrl_data *ctrl) |
Nicolas Dichtel | 3b0006f | 2015-05-20 16:19:59 +0200 | [diff] [blame] | 41 | { |
| 42 | if (timestamp) |
| 43 | print_timestamp(fp); |
| 44 | |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 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 | |
Nicolas Dichtel | 3b0006f | 2015-05-20 16:19:59 +0200 | [diff] [blame] | 52 | if (prefix_banner) |
| 53 | fprintf(fp, "%s", label); |
| 54 | } |
| 55 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 56 | static int accept_msg(const struct sockaddr_nl *who, |
Nicolas Dichtel | 0628cdd | 2015-05-20 16:19:58 +0200 | [diff] [blame] | 57 | struct rtnl_ctrl_data *ctrl, |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 58 | struct nlmsghdr *n, void *arg) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 59 | { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 60 | FILE *fp = (FILE *)arg; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 61 | |
| 62 | if (n->nlmsg_type == RTM_NEWROUTE || n->nlmsg_type == RTM_DELROUTE) { |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 63 | struct rtmsg *r = NLMSG_DATA(n); |
| 64 | int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r)); |
| 65 | |
| 66 | if (len < 0) { |
| 67 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); |
| 68 | return -1; |
| 69 | } |
| 70 | |
vadimk | 2271779 | 2014-09-04 22:48:08 +0300 | [diff] [blame] | 71 | if (r->rtm_flags & RTM_F_CLONED) |
| 72 | return 0; |
| 73 | |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 74 | if (r->rtm_family == RTNL_FAMILY_IPMR || |
| 75 | r->rtm_family == RTNL_FAMILY_IP6MR) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 76 | print_headers(fp, "[MROUTE]", ctrl); |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 77 | print_mroute(who, n, arg); |
| 78 | return 0; |
| 79 | } else { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 80 | print_headers(fp, "[ROUTE]", ctrl); |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 81 | print_route(who, n, arg); |
| 82 | return 0; |
| 83 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 84 | } |
vadimk | 2271779 | 2014-09-04 22:48:08 +0300 | [diff] [blame] | 85 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 86 | if (n->nlmsg_type == RTM_NEWLINK || n->nlmsg_type == RTM_DELLINK) { |
| 87 | ll_remember_index(who, n, NULL); |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 88 | print_headers(fp, "[LINK]", ctrl); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 89 | print_linkinfo(who, n, arg); |
| 90 | return 0; |
| 91 | } |
| 92 | if (n->nlmsg_type == RTM_NEWADDR || n->nlmsg_type == RTM_DELADDR) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 93 | print_headers(fp, "[ADDR]", ctrl); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 94 | print_addrinfo(who, n, arg); |
| 95 | return 0; |
| 96 | } |
YOSHIFUJI Hideaki / 吉藤英明 | 4759758 | 2008-02-14 03:20:12 +1100 | [diff] [blame] | 97 | if (n->nlmsg_type == RTM_NEWADDRLABEL || n->nlmsg_type == RTM_DELADDRLABEL) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 98 | print_headers(fp, "[ADDRLABEL]", ctrl); |
YOSHIFUJI Hideaki / 吉藤英明 | 4759758 | 2008-02-14 03:20:12 +1100 | [diff] [blame] | 99 | print_addrlabel(who, n, arg); |
| 100 | return 0; |
| 101 | } |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 102 | if (n->nlmsg_type == RTM_NEWNEIGH || n->nlmsg_type == RTM_DELNEIGH || |
| 103 | n->nlmsg_type == RTM_GETNEIGH) { |
Stephen Hemminger | 0018565 | 2013-08-29 12:18:52 -0700 | [diff] [blame] | 104 | if (preferred_family) { |
| 105 | struct ndmsg *r = NLMSG_DATA(n); |
| 106 | |
| 107 | if (r->ndm_family != preferred_family) |
| 108 | return 0; |
| 109 | } |
| 110 | |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 111 | print_headers(fp, "[NEIGH]", ctrl); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 112 | print_neigh(who, n, arg); |
| 113 | return 0; |
| 114 | } |
net[shemminger]!shemminger | 1cb54e5 | 2005-01-17 23:30:18 +0000 | [diff] [blame] | 115 | if (n->nlmsg_type == RTM_NEWPREFIX) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 116 | print_headers(fp, "[PREFIX]", ctrl); |
net[shemminger]!shemminger | 1cb54e5 | 2005-01-17 23:30:18 +0000 | [diff] [blame] | 117 | print_prefix(who, n, arg); |
| 118 | return 0; |
| 119 | } |
Thomas Graf | 98bde98 | 2006-11-10 12:27:10 +0100 | [diff] [blame] | 120 | if (n->nlmsg_type == RTM_NEWRULE || n->nlmsg_type == RTM_DELRULE) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 121 | print_headers(fp, "[RULE]", ctrl); |
Thomas Graf | 98bde98 | 2006-11-10 12:27:10 +0100 | [diff] [blame] | 122 | print_rule(who, n, arg); |
| 123 | return 0; |
| 124 | } |
Nicolas Dichtel | 9d0efc1 | 2012-12-12 09:09:23 -0800 | [diff] [blame] | 125 | if (n->nlmsg_type == RTM_NEWNETCONF) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 126 | print_headers(fp, "[NETCONF]", ctrl); |
Nicolas Dichtel | 0628cdd | 2015-05-20 16:19:58 +0200 | [diff] [blame] | 127 | print_netconf(who, ctrl, n, arg); |
Nicolas Dichtel | 9d0efc1 | 2012-12-12 09:09:23 -0800 | [diff] [blame] | 128 | return 0; |
| 129 | } |
Vadim Kochan | 27b14f2 | 2015-01-13 20:14:23 +0200 | [diff] [blame] | 130 | if (n->nlmsg_type == NLMSG_TSTAMP) { |
Vadim Kochan | ddb1129 | 2015-01-13 20:14:24 +0200 | [diff] [blame] | 131 | print_nlmsg_timestamp(fp, n); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 132 | return 0; |
| 133 | } |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 134 | if (n->nlmsg_type == RTM_NEWNSID || n->nlmsg_type == RTM_DELNSID) { |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 135 | print_headers(fp, "[NSID]", ctrl); |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 136 | print_nsid(who, n, arg); |
| 137 | return 0; |
| 138 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 139 | if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP && |
| 140 | n->nlmsg_type != NLMSG_DONE) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 141 | fprintf(fp, "Unknown message: type=0x%08x(%d) flags=0x%08x(%d)len=0x%08x(%d)\n", |
| 142 | n->nlmsg_type, n->nlmsg_type, |
vadimk | 40aadf8 | 2014-09-29 23:07:57 +0300 | [diff] [blame] | 143 | n->nlmsg_flags, n->nlmsg_flags, n->nlmsg_len, |
| 144 | n->nlmsg_len); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 145 | } |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | int do_ipmonitor(int argc, char **argv) |
| 150 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 151 | char *file = NULL; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 152 | unsigned int groups = 0; |
| 153 | int llink = 0; |
| 154 | int laddr = 0; |
| 155 | int lroute = 0; |
| 156 | int lmroute = 0; |
| 157 | int lprefix = 0; |
| 158 | int lneigh = 0; |
| 159 | int lnetconf = 0; |
| 160 | int lrule = 0; |
| 161 | int lnsid = 0; |
| 162 | int ifindex = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 163 | |
vadimk | 6fcabac | 2014-12-05 02:18:59 +0200 | [diff] [blame] | 164 | groups |= nl_mgrp(RTNLGRP_LINK); |
| 165 | groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR); |
| 166 | groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR); |
| 167 | groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE); |
| 168 | groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE); |
Eric W. Biederman | dacc5d4 | 2015-03-15 14:53:45 -0500 | [diff] [blame] | 169 | groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE); |
vadimk | 6fcabac | 2014-12-05 02:18:59 +0200 | [diff] [blame] | 170 | groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE); |
| 171 | groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE); |
| 172 | groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX); |
| 173 | groups |= nl_mgrp(RTNLGRP_NEIGH); |
| 174 | groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF); |
| 175 | groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF); |
Nicolas Dichtel | 2dd5909 | 2015-02-24 16:15:00 +0100 | [diff] [blame] | 176 | groups |= nl_mgrp(RTNLGRP_IPV4_RULE); |
| 177 | groups |= nl_mgrp(RTNLGRP_IPV6_RULE); |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 178 | groups |= nl_mgrp(RTNLGRP_NSID); |
vadimk | 6fcabac | 2014-12-05 02:18:59 +0200 | [diff] [blame] | 179 | |
shemminger | fc57a9d | 2005-09-07 17:43:00 +0000 | [diff] [blame] | 180 | rtnl_close(&rth); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 181 | |
| 182 | while (argc > 0) { |
| 183 | if (matches(*argv, "file") == 0) { |
| 184 | NEXT_ARG(); |
| 185 | file = *argv; |
Martin Schwenke | 488c41d | 2013-08-19 15:43:30 +1000 | [diff] [blame] | 186 | } else if (matches(*argv, "label") == 0) { |
| 187 | prefix_banner = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 188 | } else if (matches(*argv, "link") == 0) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 189 | llink = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 190 | groups = 0; |
| 191 | } else if (matches(*argv, "address") == 0) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 192 | laddr = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 193 | groups = 0; |
| 194 | } else if (matches(*argv, "route") == 0) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 195 | lroute = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 196 | groups = 0; |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 197 | } else if (matches(*argv, "mroute") == 0) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 198 | lmroute = 1; |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 199 | groups = 0; |
net[shemminger]!shemminger | 1cb54e5 | 2005-01-17 23:30:18 +0000 | [diff] [blame] | 200 | } else if (matches(*argv, "prefix") == 0) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 201 | lprefix = 1; |
net[shemminger]!shemminger | 1cb54e5 | 2005-01-17 23:30:18 +0000 | [diff] [blame] | 202 | groups = 0; |
Varun Chandramohan | fb06332 | 2009-03-12 13:42:07 +0530 | [diff] [blame] | 203 | } else if (matches(*argv, "neigh") == 0) { |
Andreas Henriksson | 6cdbf37 | 2009-03-14 17:37:35 +0100 | [diff] [blame] | 204 | lneigh = 1; |
| 205 | groups = 0; |
Nicolas Dichtel | 9d0efc1 | 2012-12-12 09:09:23 -0800 | [diff] [blame] | 206 | } else if (matches(*argv, "netconf") == 0) { |
| 207 | lnetconf = 1; |
| 208 | groups = 0; |
Nicolas Dichtel | 2dd5909 | 2015-02-24 16:15:00 +0100 | [diff] [blame] | 209 | } else if (matches(*argv, "rule") == 0) { |
| 210 | lrule = 1; |
| 211 | groups = 0; |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 212 | } else if (matches(*argv, "nsid") == 0) { |
| 213 | lnsid = 1; |
| 214 | groups = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 215 | } else if (strcmp(*argv, "all") == 0) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 216 | prefix_banner = 1; |
Roopa Prabhu | a9390c9 | 2016-02-02 16:53:40 -0800 | [diff] [blame] | 217 | } else if (matches(*argv, "all-nsid") == 0) { |
| 218 | listen_all_nsid = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 219 | } else if (matches(*argv, "help") == 0) { |
| 220 | usage(); |
vadimk | 093b764 | 2014-10-20 12:25:17 +0300 | [diff] [blame] | 221 | } else if (strcmp(*argv, "dev") == 0) { |
| 222 | NEXT_ARG(); |
| 223 | |
| 224 | ifindex = ll_name_to_index(*argv); |
| 225 | if (!ifindex) |
| 226 | invarg("Device does not exist\n", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 227 | } else { |
| 228 | fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv); |
| 229 | exit(-1); |
| 230 | } |
| 231 | argc--; argv++; |
| 232 | } |
| 233 | |
vadimk | 093b764 | 2014-10-20 12:25:17 +0300 | [diff] [blame] | 234 | ipaddr_reset_filter(1, ifindex); |
| 235 | iproute_reset_filter(ifindex); |
| 236 | ipmroute_reset_filter(ifindex); |
| 237 | ipneigh_reset_filter(ifindex); |
| 238 | ipnetconf_reset_filter(ifindex); |
| 239 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 240 | if (llink) |
jamal | b64f58b | 2007-02-25 11:55:19 -0500 | [diff] [blame] | 241 | groups |= nl_mgrp(RTNLGRP_LINK); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 242 | if (laddr) { |
| 243 | if (!preferred_family || preferred_family == AF_INET) |
jamal | b64f58b | 2007-02-25 11:55:19 -0500 | [diff] [blame] | 244 | groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 245 | if (!preferred_family || preferred_family == AF_INET6) |
jamal | b64f58b | 2007-02-25 11:55:19 -0500 | [diff] [blame] | 246 | groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 247 | } |
| 248 | if (lroute) { |
| 249 | if (!preferred_family || preferred_family == AF_INET) |
jamal | b64f58b | 2007-02-25 11:55:19 -0500 | [diff] [blame] | 250 | groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 251 | if (!preferred_family || preferred_family == AF_INET6) |
jamal | b64f58b | 2007-02-25 11:55:19 -0500 | [diff] [blame] | 252 | groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE); |
Eric W. Biederman | dacc5d4 | 2015-03-15 14:53:45 -0500 | [diff] [blame] | 253 | if (!preferred_family || preferred_family == AF_MPLS) |
| 254 | groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 255 | } |
Nicolas Dichtel | e34d3dc | 2012-12-14 10:08:17 -0800 | [diff] [blame] | 256 | if (lmroute) { |
| 257 | if (!preferred_family || preferred_family == AF_INET) |
| 258 | groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE); |
| 259 | if (!preferred_family || preferred_family == AF_INET6) |
| 260 | groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE); |
| 261 | } |
net[shemminger]!shemminger | 1cb54e5 | 2005-01-17 23:30:18 +0000 | [diff] [blame] | 262 | if (lprefix) { |
| 263 | if (!preferred_family || preferred_family == AF_INET6) |
jamal | b64f58b | 2007-02-25 11:55:19 -0500 | [diff] [blame] | 264 | groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX); |
net[shemminger]!shemminger | 1cb54e5 | 2005-01-17 23:30:18 +0000 | [diff] [blame] | 265 | } |
Varun Chandramohan | fb06332 | 2009-03-12 13:42:07 +0530 | [diff] [blame] | 266 | if (lneigh) { |
| 267 | groups |= nl_mgrp(RTNLGRP_NEIGH); |
| 268 | } |
Nicolas Dichtel | 9d0efc1 | 2012-12-12 09:09:23 -0800 | [diff] [blame] | 269 | if (lnetconf) { |
| 270 | if (!preferred_family || preferred_family == AF_INET) |
| 271 | groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF); |
| 272 | if (!preferred_family || preferred_family == AF_INET6) |
| 273 | groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF); |
| 274 | } |
Nicolas Dichtel | 2dd5909 | 2015-02-24 16:15:00 +0100 | [diff] [blame] | 275 | if (lrule) { |
| 276 | if (!preferred_family || preferred_family == AF_INET) |
| 277 | groups |= nl_mgrp(RTNLGRP_IPV4_RULE); |
| 278 | if (!preferred_family || preferred_family == AF_INET6) |
| 279 | groups |= nl_mgrp(RTNLGRP_IPV6_RULE); |
| 280 | } |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 281 | if (lnsid) { |
| 282 | groups |= nl_mgrp(RTNLGRP_NSID); |
| 283 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 284 | if (file) { |
| 285 | FILE *fp; |
Stephen Hemminger | e49b51d | 2015-12-30 17:19:04 -0800 | [diff] [blame] | 286 | int err; |
| 287 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 288 | fp = fopen(file, "r"); |
| 289 | if (fp == NULL) { |
| 290 | perror("Cannot fopen"); |
| 291 | exit(-1); |
| 292 | } |
Stephen Hemminger | e49b51d | 2015-12-30 17:19:04 -0800 | [diff] [blame] | 293 | err = rtnl_from_file(fp, accept_msg, stdout); |
| 294 | fclose(fp); |
| 295 | return err; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 296 | } |
| 297 | |
shemminger | fc57a9d | 2005-09-07 17:43:00 +0000 | [diff] [blame] | 298 | if (rtnl_open(&rth, groups) < 0) |
| 299 | exit(1); |
Nicolas Dichtel | 449b824 | 2015-05-20 16:20:00 +0200 | [diff] [blame] | 300 | if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0) |
| 301 | exit(1); |
| 302 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 303 | ll_init_map(&rth); |
Anton Aksola | e29a8e0 | 2016-09-20 06:01:27 +0000 | [diff] [blame] | 304 | netns_nsid_socket_init(); |
Nicolas Dichtel | d652ccb | 2015-04-15 14:23:22 +0200 | [diff] [blame] | 305 | netns_map_init(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 306 | |
shemminger | fc57a9d | 2005-09-07 17:43:00 +0000 | [diff] [blame] | 307 | if (rtnl_listen(&rth, accept_msg, stdout) < 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 308 | exit(2); |
| 309 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 310 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 311 | } |