Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 1 | /* |
| 2 | * bearer.c TIPC bearer functionality. |
| 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: Richard Alpe <richard.alpe@ericsson.com> |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <string.h> |
| 15 | #include <netdb.h> |
| 16 | #include <errno.h> |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 17 | #include <arpa/inet.h> |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 18 | |
| 19 | #include <linux/tipc_netlink.h> |
| 20 | #include <linux/tipc.h> |
| 21 | #include <linux/genetlink.h> |
| 22 | |
| 23 | #include <libmnl/libmnl.h> |
| 24 | #include <sys/socket.h> |
| 25 | |
| 26 | #include "cmdl.h" |
| 27 | #include "msg.h" |
| 28 | #include "bearer.h" |
| 29 | |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 30 | #define UDP_PROP_IP 1 |
| 31 | #define UDP_PROP_PORT 2 |
| 32 | |
| 33 | struct cb_data { |
| 34 | int attr; |
| 35 | int prop; |
| 36 | struct nlmsghdr *nlh; |
| 37 | }; |
| 38 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 39 | static void _print_bearer_opts(void) |
| 40 | { |
| 41 | fprintf(stderr, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 42 | "OPTIONS\n" |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 43 | " priority - Bearer link priority\n" |
| 44 | " tolerance - Bearer link tolerance\n" |
| 45 | " window - Bearer link window\n"); |
| 46 | } |
| 47 | |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 48 | void print_bearer_media(void) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 49 | { |
| 50 | fprintf(stderr, |
| 51 | "\nMEDIA\n" |
| 52 | " udp - User Datagram Protocol\n" |
| 53 | " ib - Infiniband\n" |
| 54 | " eth - Ethernet\n"); |
| 55 | } |
| 56 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 57 | static void cmd_bearer_enable_l2_help(struct cmdl *cmdl, char *media) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 58 | { |
| 59 | fprintf(stderr, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 60 | "Usage: %s bearer enable media %s device DEVICE [OPTIONS]\n" |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 61 | "\nOPTIONS\n" |
| 62 | " domain DOMAIN - Discovery domain\n" |
| 63 | " priority PRIORITY - Bearer priority\n", |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 64 | cmdl->argv[0], media); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 65 | } |
| 66 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 67 | static void cmd_bearer_enable_udp_help(struct cmdl *cmdl, char *media) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 68 | { |
| 69 | fprintf(stderr, |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 70 | "Usage: %s bearer enable [OPTIONS] media %s name NAME localip IP [UDP OPTIONS]\n\n", |
| 71 | cmdl->argv[0], media); |
| 72 | fprintf(stderr, |
| 73 | "OPTIONS\n" |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 74 | " domain DOMAIN - Discovery domain\n" |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 75 | " priority PRIORITY - Bearer priority\n\n"); |
| 76 | fprintf(stderr, |
| 77 | "UDP OPTIONS\n" |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 78 | " localport PORT - Local UDP port (default 6118)\n" |
| 79 | " remoteip IP - Remote IP address\n" |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 80 | " remoteport PORT - Remote UDP port (default 6118)\n"); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | static int get_netid_cb(const struct nlmsghdr *nlh, void *data) |
| 84 | { |
| 85 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); |
| 86 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
| 87 | struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {}; |
| 88 | int *netid = (int*)data; |
| 89 | |
| 90 | mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); |
| 91 | if (!info[TIPC_NLA_NET]) |
| 92 | return MNL_CB_ERROR; |
| 93 | mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs); |
| 94 | if (!attrs[TIPC_NLA_NET_ID]) |
| 95 | return MNL_CB_ERROR; |
| 96 | *netid = mnl_attr_get_u32(attrs[TIPC_NLA_NET_ID]); |
| 97 | |
| 98 | return MNL_CB_OK; |
| 99 | } |
| 100 | |
| 101 | static int generate_multicast(short af, char *buf, int bufsize) |
| 102 | { |
| 103 | int netid; |
| 104 | char mnl_msg[MNL_SOCKET_BUFFER_SIZE]; |
| 105 | struct nlmsghdr *nlh; |
| 106 | |
| 107 | if (!(nlh = msg_init(mnl_msg, TIPC_NL_NET_GET))) { |
| 108 | fprintf(stderr, "error, message initialization failed\n"); |
| 109 | return -1; |
| 110 | } |
| 111 | if (msg_dumpit(nlh, get_netid_cb, &netid)) { |
| 112 | fprintf(stderr, "error, failed to fetch TIPC network id from kernel\n"); |
| 113 | return -EINVAL; |
| 114 | } |
| 115 | if (af == AF_INET) |
| 116 | snprintf(buf, bufsize, "228.0.%u.%u", (netid>>8) & 0xFF, netid & 0xFF); |
| 117 | else |
| 118 | snprintf(buf, bufsize, "ff02::%u", netid); |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 123 | static int nl_add_udp_enable_opts(struct nlmsghdr *nlh, struct opt *opts, |
| 124 | struct cmdl *cmdl) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 125 | { |
| 126 | int err; |
| 127 | struct opt *opt; |
| 128 | struct nlattr *nest; |
| 129 | char buf[INET6_ADDRSTRLEN]; |
| 130 | char *locport = "6118"; |
| 131 | char *remport = "6118"; |
| 132 | char *locip = NULL; |
| 133 | char *remip = NULL; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 134 | struct addrinfo *loc = NULL; |
| 135 | struct addrinfo *rem = NULL; |
| 136 | struct addrinfo hints = { |
| 137 | .ai_family = AF_UNSPEC, |
| 138 | .ai_socktype = SOCK_DGRAM |
| 139 | }; |
| 140 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 141 | if (!(opt = get_opt(opts, "localip"))) { |
| 142 | fprintf(stderr, "error, udp bearer localip missing\n"); |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 143 | cmd_bearer_enable_udp_help(cmdl, "udp"); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 144 | return -EINVAL; |
| 145 | } |
| 146 | locip = opt->val; |
| 147 | |
| 148 | if ((opt = get_opt(opts, "remoteip"))) |
| 149 | remip = opt->val; |
| 150 | |
| 151 | if ((opt = get_opt(opts, "localport"))) |
| 152 | locport = opt->val; |
| 153 | |
| 154 | if ((opt = get_opt(opts, "remoteport"))) |
| 155 | remport = opt->val; |
| 156 | |
| 157 | if ((err = getaddrinfo(locip, locport, &hints, &loc))) { |
| 158 | fprintf(stderr, "UDP local address error: %s\n", |
| 159 | gai_strerror(err)); |
| 160 | return err; |
| 161 | } |
| 162 | |
| 163 | if (!remip) { |
| 164 | if (generate_multicast(loc->ai_family, buf, sizeof(buf))) { |
| 165 | fprintf(stderr, "Failed to generate multicast address\n"); |
Phil Sutter | be55416 | 2017-08-17 19:09:31 +0200 | [diff] [blame] | 166 | freeaddrinfo(loc); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 167 | return -EINVAL; |
| 168 | } |
| 169 | remip = buf; |
| 170 | } |
| 171 | |
| 172 | if ((err = getaddrinfo(remip, remport, &hints, &rem))) { |
| 173 | fprintf(stderr, "UDP remote address error: %s\n", |
| 174 | gai_strerror(err)); |
| 175 | freeaddrinfo(loc); |
| 176 | return err; |
| 177 | } |
| 178 | |
| 179 | if (rem->ai_family != loc->ai_family) { |
| 180 | fprintf(stderr, "UDP local and remote AF mismatch\n"); |
Phil Sutter | be55416 | 2017-08-17 19:09:31 +0200 | [diff] [blame] | 181 | freeaddrinfo(rem); |
| 182 | freeaddrinfo(loc); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 183 | return -EINVAL; |
| 184 | } |
| 185 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 186 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER_UDP_OPTS); |
| 187 | mnl_attr_put(nlh, TIPC_NLA_UDP_LOCAL, loc->ai_addrlen, loc->ai_addr); |
| 188 | mnl_attr_put(nlh, TIPC_NLA_UDP_REMOTE, rem->ai_addrlen, rem->ai_addr); |
| 189 | mnl_attr_nest_end(nlh, nest); |
| 190 | |
| 191 | freeaddrinfo(rem); |
| 192 | freeaddrinfo(loc); |
| 193 | |
| 194 | return 0; |
| 195 | } |
| 196 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 197 | static int nl_add_bearer_name(struct nlmsghdr *nlh, const struct cmd *cmd, |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 198 | struct cmdl *cmdl, struct opt *opts, |
| 199 | const struct tipc_sup_media *sup_media) |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 200 | { |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 201 | char bname[TIPC_MAX_BEARER_NAME]; |
| 202 | int err; |
| 203 | |
| 204 | if ((err = cmd_get_unique_bearer_name(cmd, cmdl, opts, bname, sup_media))) |
| 205 | return err; |
| 206 | |
| 207 | mnl_attr_put_strz(nlh, TIPC_NLA_BEARER_NAME, bname); |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | int cmd_get_unique_bearer_name(const struct cmd *cmd, struct cmdl *cmdl, |
| 212 | struct opt *opts, char *bname, |
| 213 | const struct tipc_sup_media *sup_media) |
| 214 | { |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 215 | char *media; |
| 216 | char *identifier; |
| 217 | struct opt *opt; |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 218 | const struct tipc_sup_media *entry; |
| 219 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 220 | |
| 221 | if (!(opt = get_opt(opts, "media"))) { |
| 222 | if (help_flag) |
| 223 | (cmd->help)(cmdl); |
| 224 | else |
| 225 | fprintf(stderr, "error, missing bearer media\n"); |
| 226 | return -EINVAL; |
| 227 | } |
| 228 | media = opt->val; |
| 229 | |
| 230 | for (entry = sup_media; entry->media; entry++) { |
| 231 | if (strcmp(entry->media, media)) |
| 232 | continue; |
| 233 | |
| 234 | if (!(opt = get_opt(opts, entry->identifier))) { |
| 235 | if (help_flag) |
| 236 | (entry->help)(cmdl, media); |
| 237 | else |
| 238 | fprintf(stderr, "error, missing bearer %s\n", |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 239 | entry->identifier); |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 240 | return -EINVAL; |
| 241 | } |
| 242 | |
| 243 | identifier = opt->val; |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 244 | snprintf(bname, TIPC_MAX_BEARER_NAME, "%s:%s", media, identifier); |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 245 | |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | fprintf(stderr, "error, invalid media type %s\n", media); |
| 250 | |
| 251 | return -EINVAL; |
| 252 | } |
| 253 | |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 254 | static void cmd_bearer_add_udp_help(struct cmdl *cmdl, char *media) |
| 255 | { |
| 256 | fprintf(stderr, "Usage: %s bearer add media %s name NAME remoteip REMOTEIP\n\n", |
| 257 | cmdl->argv[0], media); |
| 258 | } |
| 259 | |
| 260 | static void cmd_bearer_add_help(struct cmdl *cmdl) |
| 261 | { |
| 262 | fprintf(stderr, "Usage: %s bearer add media udp name NAME remoteip REMOTEIP\n", |
| 263 | cmdl->argv[0]); |
| 264 | } |
| 265 | |
| 266 | static int udp_bearer_add(struct nlmsghdr *nlh, struct opt *opts, |
| 267 | struct cmdl *cmdl) |
| 268 | { |
| 269 | int err; |
| 270 | struct opt *opt; |
| 271 | struct nlattr *opts_nest; |
| 272 | char *remport = "6118"; |
| 273 | |
| 274 | opts_nest = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER_UDP_OPTS); |
| 275 | |
| 276 | if ((opt = get_opt(opts, "remoteport"))) |
| 277 | remport = opt->val; |
| 278 | |
| 279 | if ((opt = get_opt(opts, "remoteip"))) { |
| 280 | char *ip = opt->val; |
| 281 | struct addrinfo *addr = NULL; |
| 282 | struct addrinfo hints = { |
| 283 | .ai_family = AF_UNSPEC, |
| 284 | .ai_socktype = SOCK_DGRAM |
| 285 | }; |
| 286 | |
| 287 | if ((err = getaddrinfo(ip, remport, &hints, &addr))) { |
| 288 | fprintf(stderr, "UDP address error: %s\n", |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 289 | gai_strerror(err)); |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 290 | freeaddrinfo(addr); |
| 291 | return err; |
| 292 | } |
| 293 | |
| 294 | mnl_attr_put(nlh, TIPC_NLA_UDP_REMOTE, addr->ai_addrlen, |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 295 | addr->ai_addr); |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 296 | freeaddrinfo(addr); |
| 297 | } else { |
| 298 | fprintf(stderr, "error, missing remoteip\n"); |
| 299 | return -EINVAL; |
| 300 | } |
| 301 | mnl_attr_nest_end(nlh, opts_nest); |
| 302 | |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | static int cmd_bearer_add_media(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 307 | struct cmdl *cmdl, void *data) |
| 308 | { |
| 309 | int err; |
| 310 | char *media; |
| 311 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
| 312 | struct opt *opt; |
| 313 | struct nlattr *attrs; |
| 314 | struct opt opts[] = { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 315 | { "remoteip", OPT_KEYVAL, NULL }, |
| 316 | { "remoteport", OPT_KEYVAL, NULL }, |
| 317 | { "name", OPT_KEYVAL, NULL }, |
| 318 | { "media", OPT_KEYVAL, NULL }, |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 319 | { NULL } |
| 320 | }; |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 321 | const struct tipc_sup_media sup_media[] = { |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 322 | { "udp", "name", cmd_bearer_add_udp_help}, |
| 323 | { NULL, }, |
| 324 | }; |
| 325 | |
| 326 | /* Rewind optind to include media in the option list */ |
| 327 | cmdl->optind--; |
| 328 | if (parse_opts(opts, cmdl) < 0) |
| 329 | return -EINVAL; |
| 330 | |
| 331 | if (!(opt = get_opt(opts, "media"))) { |
| 332 | fprintf(stderr, "error, missing media value\n"); |
| 333 | return -EINVAL; |
| 334 | } |
| 335 | media = opt->val; |
| 336 | |
| 337 | if (strcmp(media, "udp") != 0) { |
| 338 | fprintf(stderr, "error, no \"%s\" media specific options available\n", |
| 339 | media); |
| 340 | return -EINVAL; |
| 341 | } |
| 342 | if (!(opt = get_opt(opts, "name"))) { |
| 343 | fprintf(stderr, "error, missing media name\n"); |
| 344 | return -EINVAL; |
| 345 | } |
| 346 | |
| 347 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_ADD))) { |
| 348 | fprintf(stderr, "error, message initialisation failed\n"); |
| 349 | return -1; |
| 350 | } |
| 351 | |
| 352 | attrs = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER); |
| 353 | err = nl_add_bearer_name(nlh, cmd, cmdl, opts, sup_media); |
| 354 | if (err) |
| 355 | return err; |
| 356 | |
| 357 | err = udp_bearer_add(nlh, opts, cmdl); |
| 358 | if (err) |
| 359 | return err; |
| 360 | |
| 361 | mnl_attr_nest_end(nlh, attrs); |
| 362 | |
| 363 | return msg_doit(nlh, NULL, NULL); |
| 364 | } |
| 365 | |
| 366 | static int cmd_bearer_add(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 367 | struct cmdl *cmdl, void *data) |
| 368 | { |
| 369 | const struct cmd cmds[] = { |
| 370 | { "media", cmd_bearer_add_media, cmd_bearer_add_help }, |
| 371 | { NULL } |
| 372 | }; |
| 373 | |
| 374 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); |
| 375 | } |
| 376 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 377 | static void cmd_bearer_enable_help(struct cmdl *cmdl) |
| 378 | { |
| 379 | fprintf(stderr, |
| 380 | "Usage: %s bearer enable [OPTIONS] media MEDIA ARGS...\n\n" |
| 381 | "OPTIONS\n" |
| 382 | " domain DOMAIN - Discovery domain\n" |
| 383 | " priority PRIORITY - Bearer priority\n", |
| 384 | cmdl->argv[0]); |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 385 | print_bearer_media(); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | static int cmd_bearer_enable(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 389 | struct cmdl *cmdl, void *data) |
| 390 | { |
| 391 | int err; |
| 392 | struct opt *opt; |
| 393 | struct nlattr *nest; |
| 394 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 395 | struct opt opts[] = { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 396 | { "device", OPT_KEYVAL, NULL }, |
| 397 | { "domain", OPT_KEYVAL, NULL }, |
| 398 | { "localip", OPT_KEYVAL, NULL }, |
| 399 | { "localport", OPT_KEYVAL, NULL }, |
| 400 | { "media", OPT_KEYVAL, NULL }, |
| 401 | { "name", OPT_KEYVAL, NULL }, |
| 402 | { "priority", OPT_KEYVAL, NULL }, |
| 403 | { "remoteip", OPT_KEYVAL, NULL }, |
| 404 | { "remoteport", OPT_KEYVAL, NULL }, |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 405 | { NULL } |
| 406 | }; |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 407 | struct tipc_sup_media sup_media[] = { |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 408 | { "udp", "name", cmd_bearer_enable_udp_help}, |
| 409 | { "eth", "device", cmd_bearer_enable_l2_help }, |
| 410 | { "ib", "device", cmd_bearer_enable_l2_help }, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 411 | { NULL, }, |
| 412 | }; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 413 | |
| 414 | if (parse_opts(opts, cmdl) < 0) { |
| 415 | if (help_flag) |
| 416 | (cmd->help)(cmdl); |
| 417 | return -EINVAL; |
| 418 | } |
| 419 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 420 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_ENABLE))) { |
| 421 | fprintf(stderr, "error: message initialisation failed\n"); |
| 422 | return -1; |
| 423 | } |
| 424 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER); |
| 425 | |
| 426 | if ((opt = get_opt(opts, "domain"))) |
| 427 | mnl_attr_put_u32(nlh, TIPC_NLA_BEARER_DOMAIN, atoi(opt->val)); |
| 428 | |
| 429 | if ((opt = get_opt(opts, "priority"))) { |
| 430 | struct nlattr *props; |
| 431 | |
| 432 | props = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER_PROP); |
| 433 | mnl_attr_put_u32(nlh, TIPC_NLA_PROP_PRIO, atoi(opt->val)); |
| 434 | mnl_attr_nest_end(nlh, props); |
| 435 | } |
| 436 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 437 | err = nl_add_bearer_name(nlh, cmd, cmdl, opts, sup_media); |
| 438 | if (err) |
| 439 | return err; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 440 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 441 | opt = get_opt(opts, "media"); |
Phil Sutter | 70a6df3 | 2017-08-24 11:46:34 +0200 | [diff] [blame] | 442 | if (opt && strcmp(opt->val, "udp") == 0) { |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 443 | err = nl_add_udp_enable_opts(nlh, opts, cmdl); |
| 444 | if (err) |
| 445 | return err; |
| 446 | } |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 447 | mnl_attr_nest_end(nlh, nest); |
| 448 | |
| 449 | return msg_doit(nlh, NULL, NULL); |
| 450 | } |
| 451 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 452 | static void cmd_bearer_disable_l2_help(struct cmdl *cmdl, char *media) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 453 | { |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 454 | fprintf(stderr, "Usage: %s bearer disable media %s device DEVICE\n", |
| 455 | cmdl->argv[0], media); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 456 | } |
| 457 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 458 | static void cmd_bearer_disable_udp_help(struct cmdl *cmdl, char *media) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 459 | { |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 460 | fprintf(stderr, "Usage: %s bearer disable media %s name NAME\n", |
| 461 | cmdl->argv[0], media); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 462 | } |
| 463 | |
| 464 | static void cmd_bearer_disable_help(struct cmdl *cmdl) |
| 465 | { |
| 466 | fprintf(stderr, "Usage: %s bearer disable media MEDIA ARGS...\n", |
| 467 | cmdl->argv[0]); |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 468 | print_bearer_media(); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | static int cmd_bearer_disable(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 472 | struct cmdl *cmdl, void *data) |
| 473 | { |
| 474 | int err; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 475 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
| 476 | struct nlattr *nest; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 477 | struct opt opts[] = { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 478 | { "device", OPT_KEYVAL, NULL }, |
| 479 | { "name", OPT_KEYVAL, NULL }, |
| 480 | { "media", OPT_KEYVAL, NULL }, |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 481 | { NULL } |
| 482 | }; |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 483 | struct tipc_sup_media sup_media[] = { |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 484 | { "udp", "name", cmd_bearer_disable_udp_help}, |
| 485 | { "eth", "device", cmd_bearer_disable_l2_help }, |
| 486 | { "ib", "device", cmd_bearer_disable_l2_help }, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 487 | { NULL, }, |
| 488 | }; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 489 | |
| 490 | if (parse_opts(opts, cmdl) < 0) { |
| 491 | if (help_flag) |
| 492 | (cmd->help)(cmdl); |
| 493 | return -EINVAL; |
| 494 | } |
| 495 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 496 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_DISABLE))) { |
| 497 | fprintf(stderr, "error, message initialisation failed\n"); |
| 498 | return -1; |
| 499 | } |
| 500 | |
| 501 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER); |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 502 | err = nl_add_bearer_name(nlh, cmd, cmdl, opts, sup_media); |
| 503 | if (err) |
| 504 | return err; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 505 | mnl_attr_nest_end(nlh, nest); |
| 506 | |
| 507 | return msg_doit(nlh, NULL, NULL); |
| 508 | |
| 509 | } |
| 510 | |
| 511 | static void cmd_bearer_set_help(struct cmdl *cmdl) |
| 512 | { |
Richard Alpe | ee262ed | 2015-08-07 09:55:09 +0200 | [diff] [blame] | 513 | fprintf(stderr, "Usage: %s bearer set OPTION media MEDIA ARGS...\n", |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 514 | cmdl->argv[0]); |
| 515 | _print_bearer_opts(); |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 516 | print_bearer_media(); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 517 | } |
| 518 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 519 | static void cmd_bearer_set_udp_help(struct cmdl *cmdl, char *media) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 520 | { |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 521 | fprintf(stderr, "Usage: %s bearer set OPTION media %s name NAME\n\n", |
| 522 | cmdl->argv[0], media); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 523 | _print_bearer_opts(); |
| 524 | } |
| 525 | |
| 526 | static void cmd_bearer_set_l2_help(struct cmdl *cmdl, char *media) |
| 527 | { |
| 528 | fprintf(stderr, |
| 529 | "Usage: %s bearer set [OPTION]... media %s device DEVICE\n", |
| 530 | cmdl->argv[0], media); |
| 531 | _print_bearer_opts(); |
| 532 | } |
| 533 | |
| 534 | static int cmd_bearer_set_prop(struct nlmsghdr *nlh, const struct cmd *cmd, |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 535 | struct cmdl *cmdl, void *data) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 536 | { |
| 537 | int err; |
| 538 | int val; |
| 539 | int prop; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 540 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
| 541 | struct nlattr *props; |
| 542 | struct nlattr *attrs; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 543 | struct opt opts[] = { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 544 | { "device", OPT_KEYVAL, NULL }, |
| 545 | { "media", OPT_KEYVAL, NULL }, |
| 546 | { "name", OPT_KEYVAL, NULL }, |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 547 | { NULL } |
| 548 | }; |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 549 | struct tipc_sup_media sup_media[] = { |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 550 | { "udp", "name", cmd_bearer_set_udp_help}, |
| 551 | { "eth", "device", cmd_bearer_set_l2_help }, |
| 552 | { "ib", "device", cmd_bearer_set_l2_help }, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 553 | { NULL, }, |
| 554 | }; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 555 | |
| 556 | if (strcmp(cmd->cmd, "priority") == 0) |
| 557 | prop = TIPC_NLA_PROP_PRIO; |
| 558 | else if ((strcmp(cmd->cmd, "tolerance") == 0)) |
| 559 | prop = TIPC_NLA_PROP_TOL; |
| 560 | else if ((strcmp(cmd->cmd, "window") == 0)) |
| 561 | prop = TIPC_NLA_PROP_WIN; |
| 562 | else |
| 563 | return -EINVAL; |
| 564 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 565 | if (cmdl->optind >= cmdl->argc) { |
| 566 | fprintf(stderr, "error, missing value\n"); |
| 567 | return -EINVAL; |
| 568 | } |
| 569 | val = atoi(shift_cmdl(cmdl)); |
| 570 | |
| 571 | if (parse_opts(opts, cmdl) < 0) |
| 572 | return -EINVAL; |
| 573 | |
| 574 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_SET))) { |
| 575 | fprintf(stderr, "error, message initialisation failed\n"); |
| 576 | return -1; |
| 577 | } |
| 578 | attrs = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER); |
| 579 | |
| 580 | props = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER_PROP); |
| 581 | mnl_attr_put_u32(nlh, prop, val); |
| 582 | mnl_attr_nest_end(nlh, props); |
| 583 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 584 | err = nl_add_bearer_name(nlh, cmd, cmdl, opts, sup_media); |
| 585 | if (err) |
| 586 | return err; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 587 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 588 | mnl_attr_nest_end(nlh, attrs); |
| 589 | |
| 590 | return msg_doit(nlh, NULL, NULL); |
| 591 | } |
| 592 | |
| 593 | static int cmd_bearer_set(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 594 | struct cmdl *cmdl, void *data) |
| 595 | { |
| 596 | const struct cmd cmds[] = { |
| 597 | { "priority", cmd_bearer_set_prop, cmd_bearer_set_help }, |
| 598 | { "tolerance", cmd_bearer_set_prop, cmd_bearer_set_help }, |
| 599 | { "window", cmd_bearer_set_prop, cmd_bearer_set_help }, |
| 600 | { NULL } |
| 601 | }; |
| 602 | |
| 603 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); |
| 604 | } |
| 605 | |
| 606 | static void cmd_bearer_get_help(struct cmdl *cmdl) |
| 607 | { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 608 | fprintf(stderr, "Usage: %s bearer get [OPTION] media MEDIA ARGS...\n", |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 609 | cmdl->argv[0]); |
| 610 | _print_bearer_opts(); |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 611 | print_bearer_media(); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 612 | } |
| 613 | |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 614 | static void cmd_bearer_get_udp_help(struct cmdl *cmdl, char *media) |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 615 | { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 616 | fprintf(stderr, "Usage: %s bearer get [OPTION] media %s name NAME [UDP OPTIONS]\n\n", |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 617 | cmdl->argv[0], media); |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 618 | fprintf(stderr, |
| 619 | "UDP OPTIONS\n" |
| 620 | " remoteip - Remote ip address\n" |
| 621 | " remoteport - Remote port\n" |
| 622 | " localip - Local ip address\n" |
| 623 | " localport - Local port\n\n"); |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 624 | _print_bearer_opts(); |
| 625 | } |
| 626 | |
| 627 | static void cmd_bearer_get_l2_help(struct cmdl *cmdl, char *media) |
| 628 | { |
| 629 | fprintf(stderr, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 630 | "Usage: %s bearer get OPTION media %s device DEVICE\n", |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 631 | cmdl->argv[0], media); |
| 632 | _print_bearer_opts(); |
| 633 | } |
| 634 | |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 635 | |
| 636 | static int bearer_dump_udp_cb(const struct nlmsghdr *nlh, void *data) |
| 637 | { |
| 638 | struct sockaddr_storage *addr; |
| 639 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); |
| 640 | struct nlattr *info[TIPC_NLA_UDP_MAX + 1] = {}; |
| 641 | |
| 642 | mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); |
| 643 | |
| 644 | if (!info[TIPC_NLA_UDP_REMOTE]) |
| 645 | return MNL_CB_ERROR; |
| 646 | |
| 647 | addr = mnl_attr_get_payload(info[TIPC_NLA_UDP_REMOTE]); |
| 648 | |
| 649 | if (addr->ss_family == AF_INET) { |
| 650 | struct sockaddr_in *ipv4 = (struct sockaddr_in *) addr; |
| 651 | |
| 652 | printf("%s\n", inet_ntoa(ipv4->sin_addr)); |
| 653 | } else if (addr->ss_family == AF_INET6) { |
| 654 | char straddr[INET6_ADDRSTRLEN]; |
| 655 | struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *) addr; |
| 656 | |
| 657 | if (!inet_ntop(AF_INET6, &ipv6->sin6_addr, straddr, |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 658 | sizeof(straddr))) { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 659 | fprintf(stderr, "error, parsing IPv6 addr\n"); |
| 660 | return MNL_CB_ERROR; |
| 661 | } |
| 662 | printf("%s\n", straddr); |
| 663 | |
| 664 | } else { |
| 665 | return MNL_CB_ERROR; |
| 666 | } |
| 667 | |
| 668 | return MNL_CB_OK; |
| 669 | } |
| 670 | |
| 671 | static int bearer_get_udp_cb(const struct nlmsghdr *nlh, void *data) |
| 672 | { |
| 673 | struct cb_data *cb_data = (struct cb_data *) data; |
| 674 | struct sockaddr_storage *addr; |
| 675 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); |
| 676 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
| 677 | struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1] = {}; |
| 678 | struct nlattr *opts[TIPC_NLA_UDP_MAX + 1] = {}; |
| 679 | |
| 680 | mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); |
| 681 | if (!info[TIPC_NLA_BEARER]) |
| 682 | return MNL_CB_ERROR; |
| 683 | |
| 684 | mnl_attr_parse_nested(info[TIPC_NLA_BEARER], parse_attrs, attrs); |
| 685 | if (!attrs[TIPC_NLA_BEARER_UDP_OPTS]) |
| 686 | return MNL_CB_ERROR; |
| 687 | |
| 688 | mnl_attr_parse_nested(attrs[TIPC_NLA_BEARER_UDP_OPTS], parse_attrs, opts); |
| 689 | if (!opts[TIPC_NLA_UDP_LOCAL]) |
| 690 | return MNL_CB_ERROR; |
| 691 | |
| 692 | if ((cb_data->attr == TIPC_NLA_UDP_REMOTE) && |
| 693 | (cb_data->prop == UDP_PROP_IP) && |
| 694 | opts[TIPC_NLA_UDP_MULTI_REMOTEIP]) { |
| 695 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(cb_data->nlh); |
| 696 | |
| 697 | genl->cmd = TIPC_NL_UDP_GET_REMOTEIP; |
| 698 | return msg_dumpit(cb_data->nlh, bearer_dump_udp_cb, NULL); |
| 699 | } |
| 700 | |
| 701 | addr = mnl_attr_get_payload(opts[cb_data->attr]); |
| 702 | |
| 703 | if (addr->ss_family == AF_INET) { |
| 704 | struct sockaddr_in *ipv4 = (struct sockaddr_in *) addr; |
| 705 | |
| 706 | switch (cb_data->prop) { |
| 707 | case UDP_PROP_IP: |
| 708 | printf("%s\n", inet_ntoa(ipv4->sin_addr)); |
| 709 | break; |
| 710 | case UDP_PROP_PORT: |
| 711 | printf("%u\n", ntohs(ipv4->sin_port)); |
| 712 | break; |
| 713 | default: |
| 714 | return MNL_CB_ERROR; |
| 715 | } |
| 716 | |
| 717 | } else if (addr->ss_family == AF_INET6) { |
| 718 | char straddr[INET6_ADDRSTRLEN]; |
| 719 | struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *) addr; |
| 720 | |
| 721 | switch (cb_data->prop) { |
| 722 | case UDP_PROP_IP: |
| 723 | if (!inet_ntop(AF_INET6, &ipv6->sin6_addr, straddr, |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 724 | sizeof(straddr))) { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 725 | fprintf(stderr, "error, parsing IPv6 addr\n"); |
| 726 | return MNL_CB_ERROR; |
| 727 | } |
| 728 | printf("%s\n", straddr); |
| 729 | break; |
| 730 | case UDP_PROP_PORT: |
| 731 | printf("%u\n", ntohs(ipv6->sin6_port)); |
| 732 | break; |
| 733 | default: |
| 734 | return MNL_CB_ERROR; |
| 735 | } |
| 736 | |
| 737 | } else { |
| 738 | return MNL_CB_ERROR; |
| 739 | } |
| 740 | |
| 741 | return MNL_CB_OK; |
| 742 | } |
| 743 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 744 | static int bearer_get_cb(const struct nlmsghdr *nlh, void *data) |
| 745 | { |
| 746 | int *prop = data; |
| 747 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); |
| 748 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
| 749 | struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1] = {}; |
| 750 | struct nlattr *props[TIPC_NLA_PROP_MAX + 1] = {}; |
| 751 | |
| 752 | mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); |
| 753 | if (!info[TIPC_NLA_BEARER]) |
| 754 | return MNL_CB_ERROR; |
| 755 | |
| 756 | mnl_attr_parse_nested(info[TIPC_NLA_BEARER], parse_attrs, attrs); |
| 757 | if (!attrs[TIPC_NLA_BEARER_PROP]) |
| 758 | return MNL_CB_ERROR; |
| 759 | |
| 760 | mnl_attr_parse_nested(attrs[TIPC_NLA_BEARER_PROP], parse_attrs, props); |
| 761 | if (!props[*prop]) |
| 762 | return MNL_CB_ERROR; |
| 763 | |
| 764 | printf("%u\n", mnl_attr_get_u32(props[*prop])); |
| 765 | |
| 766 | return MNL_CB_OK; |
| 767 | } |
| 768 | |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 769 | static int cmd_bearer_get_media(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 770 | struct cmdl *cmdl, void *data) |
| 771 | { |
| 772 | int err; |
| 773 | char *media; |
| 774 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
| 775 | struct opt *opt; |
| 776 | struct cb_data cb_data = {0}; |
| 777 | struct nlattr *attrs; |
| 778 | struct opt opts[] = { |
| 779 | { "localip", OPT_KEY, NULL }, |
| 780 | { "localport", OPT_KEY, NULL }, |
| 781 | { "remoteip", OPT_KEY, NULL }, |
| 782 | { "remoteport", OPT_KEY, NULL }, |
| 783 | { "name", OPT_KEYVAL, NULL }, |
| 784 | { "media", OPT_KEYVAL, NULL }, |
| 785 | { NULL } |
| 786 | }; |
| 787 | struct tipc_sup_media sup_media[] = { |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 788 | { "udp", "name", cmd_bearer_get_udp_help}, |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 789 | { NULL, }, |
| 790 | }; |
| 791 | |
| 792 | /* Rewind optind to include media in the option list */ |
| 793 | cmdl->optind--; |
| 794 | if (parse_opts(opts, cmdl) < 0) |
| 795 | return -EINVAL; |
| 796 | |
| 797 | if (!(opt = get_opt(opts, "media"))) { |
| 798 | fprintf(stderr, "error, missing media value\n"); |
| 799 | return -EINVAL; |
| 800 | } |
| 801 | media = opt->val; |
| 802 | |
| 803 | if (help_flag) { |
| 804 | cmd_bearer_get_udp_help(cmdl, media); |
| 805 | return -EINVAL; |
| 806 | } |
| 807 | if (strcmp(media, "udp") != 0) { |
| 808 | fprintf(stderr, "error, no \"%s\" media specific options\n", media); |
| 809 | return -EINVAL; |
| 810 | } |
| 811 | if (!(opt = get_opt(opts, "name"))) { |
| 812 | fprintf(stderr, "error, missing media name\n"); |
| 813 | return -EINVAL; |
| 814 | } |
| 815 | |
| 816 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_GET))) { |
| 817 | fprintf(stderr, "error, message initialisation failed\n"); |
| 818 | return -1; |
| 819 | } |
| 820 | |
| 821 | attrs = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER); |
| 822 | err = nl_add_bearer_name(nlh, cmd, cmdl, opts, sup_media); |
| 823 | if (err) |
| 824 | return err; |
| 825 | mnl_attr_nest_end(nlh, attrs); |
| 826 | cb_data.nlh = nlh; |
| 827 | |
| 828 | if (has_opt(opts, "localip")) { |
| 829 | cb_data.attr = TIPC_NLA_UDP_LOCAL; |
| 830 | cb_data.prop = UDP_PROP_IP; |
| 831 | return msg_doit(nlh, bearer_get_udp_cb, &cb_data); |
| 832 | } else if (has_opt(opts, "localport")) { |
| 833 | cb_data.attr = TIPC_NLA_UDP_LOCAL; |
| 834 | cb_data.prop = UDP_PROP_PORT; |
| 835 | return msg_doit(nlh, bearer_get_udp_cb, &cb_data); |
| 836 | } else if (has_opt(opts, "remoteip")) { |
| 837 | cb_data.attr = TIPC_NLA_UDP_REMOTE; |
| 838 | cb_data.prop = UDP_PROP_IP; |
| 839 | return msg_doit(nlh, bearer_get_udp_cb, &cb_data); |
| 840 | } else if (has_opt(opts, "remoteport")) { |
| 841 | cb_data.attr = TIPC_NLA_UDP_REMOTE; |
| 842 | cb_data.prop = UDP_PROP_PORT; |
| 843 | return msg_doit(nlh, bearer_get_udp_cb, &cb_data); |
| 844 | } |
| 845 | fprintf(stderr, "error, missing UDP option\n"); |
| 846 | return -EINVAL; |
| 847 | } |
| 848 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 849 | static int cmd_bearer_get_prop(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 850 | struct cmdl *cmdl, void *data) |
| 851 | { |
| 852 | int err; |
| 853 | int prop; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 854 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
| 855 | struct nlattr *attrs; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 856 | struct opt opts[] = { |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 857 | { "device", OPT_KEYVAL, NULL }, |
| 858 | { "media", OPT_KEYVAL, NULL }, |
| 859 | { "name", OPT_KEYVAL, NULL }, |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 860 | { NULL } |
| 861 | }; |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 862 | struct tipc_sup_media sup_media[] = { |
Parthasarathy Bhuvaragan | d2ba0b0 | 2016-09-12 17:17:19 +0200 | [diff] [blame] | 863 | { "udp", "name", cmd_bearer_get_udp_help}, |
| 864 | { "eth", "device", cmd_bearer_get_l2_help }, |
| 865 | { "ib", "device", cmd_bearer_get_l2_help }, |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 866 | { NULL, }, |
| 867 | }; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 868 | |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 869 | if (help_flag) { |
| 870 | (cmd->help)(cmdl); |
| 871 | return -EINVAL; |
| 872 | } |
| 873 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 874 | if (strcmp(cmd->cmd, "priority") == 0) |
| 875 | prop = TIPC_NLA_PROP_PRIO; |
| 876 | else if ((strcmp(cmd->cmd, "tolerance") == 0)) |
| 877 | prop = TIPC_NLA_PROP_TOL; |
| 878 | else if ((strcmp(cmd->cmd, "window") == 0)) |
| 879 | prop = TIPC_NLA_PROP_WIN; |
| 880 | else |
| 881 | return -EINVAL; |
| 882 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 883 | if (parse_opts(opts, cmdl) < 0) |
| 884 | return -EINVAL; |
| 885 | |
| 886 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_GET))) { |
| 887 | fprintf(stderr, "error, message initialisation failed\n"); |
| 888 | return -1; |
| 889 | } |
| 890 | |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 891 | attrs = mnl_attr_nest_start(nlh, TIPC_NLA_BEARER); |
Richard Alpe | 50afc4d | 2016-08-15 10:24:32 +0200 | [diff] [blame] | 892 | err = nl_add_bearer_name(nlh, cmd, cmdl, opts, sup_media); |
| 893 | if (err) |
| 894 | return err; |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 895 | mnl_attr_nest_end(nlh, attrs); |
| 896 | |
| 897 | return msg_doit(nlh, bearer_get_cb, &prop); |
| 898 | } |
| 899 | |
| 900 | static int cmd_bearer_get(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 901 | struct cmdl *cmdl, void *data) |
| 902 | { |
| 903 | const struct cmd cmds[] = { |
| 904 | { "priority", cmd_bearer_get_prop, cmd_bearer_get_help }, |
| 905 | { "tolerance", cmd_bearer_get_prop, cmd_bearer_get_help }, |
| 906 | { "window", cmd_bearer_get_prop, cmd_bearer_get_help }, |
Richard Alpe | ed81dea | 2016-08-30 10:37:00 +0200 | [diff] [blame] | 907 | { "media", cmd_bearer_get_media, cmd_bearer_get_help }, |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 908 | { NULL } |
| 909 | }; |
| 910 | |
| 911 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); |
| 912 | } |
| 913 | |
| 914 | static int bearer_list_cb(const struct nlmsghdr *nlh, void *data) |
| 915 | { |
| 916 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); |
| 917 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
| 918 | struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1] = {}; |
| 919 | |
| 920 | mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); |
| 921 | if (!info[TIPC_NLA_BEARER]) { |
| 922 | fprintf(stderr, "No bearer in netlink response\n"); |
| 923 | return MNL_CB_ERROR; |
| 924 | } |
| 925 | |
| 926 | mnl_attr_parse_nested(info[TIPC_NLA_BEARER], parse_attrs, attrs); |
| 927 | if (!attrs[TIPC_NLA_BEARER_NAME]) { |
| 928 | fprintf(stderr, "Bearer name missing in netlink response\n"); |
| 929 | return MNL_CB_ERROR; |
| 930 | } |
| 931 | |
| 932 | printf("%s\n", mnl_attr_get_str(attrs[TIPC_NLA_BEARER_NAME])); |
| 933 | |
| 934 | return MNL_CB_OK; |
| 935 | } |
| 936 | |
| 937 | static int cmd_bearer_list(struct nlmsghdr *nlh, const struct cmd *cmd, |
| 938 | struct cmdl *cmdl, void *data) |
| 939 | { |
| 940 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
| 941 | |
| 942 | if (help_flag) { |
| 943 | fprintf(stderr, "Usage: %s bearer list\n", cmdl->argv[0]); |
| 944 | return -EINVAL; |
| 945 | } |
| 946 | |
| 947 | if (!(nlh = msg_init(buf, TIPC_NL_BEARER_GET))) { |
| 948 | fprintf(stderr, "error, message initialisation failed\n"); |
| 949 | return -1; |
| 950 | } |
| 951 | |
| 952 | return msg_dumpit(nlh, bearer_list_cb, NULL); |
| 953 | } |
| 954 | |
| 955 | void cmd_bearer_help(struct cmdl *cmdl) |
| 956 | { |
| 957 | fprintf(stderr, |
| 958 | "Usage: %s bearer COMMAND [ARGS] ...\n" |
| 959 | "\n" |
| 960 | "COMMANDS\n" |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 961 | " add - Add data to existing bearer\n" |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 962 | " enable - Enable a bearer\n" |
| 963 | " disable - Disable a bearer\n" |
| 964 | " set - Set various bearer properties\n" |
| 965 | " get - Get various bearer properties\n" |
| 966 | " list - List bearers\n", cmdl->argv[0]); |
| 967 | } |
| 968 | |
| 969 | int cmd_bearer(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl, |
| 970 | void *data) |
| 971 | { |
| 972 | const struct cmd cmds[] = { |
Richard Alpe | f1f40cf | 2016-08-30 10:36:59 +0200 | [diff] [blame] | 973 | { "add", cmd_bearer_add, cmd_bearer_add_help }, |
Richard Alpe | f043759 | 2015-05-07 15:07:36 +0200 | [diff] [blame] | 974 | { "disable", cmd_bearer_disable, cmd_bearer_disable_help }, |
| 975 | { "enable", cmd_bearer_enable, cmd_bearer_enable_help }, |
| 976 | { "get", cmd_bearer_get, cmd_bearer_get_help }, |
| 977 | { "list", cmd_bearer_list, NULL }, |
| 978 | { "set", cmd_bearer_set, cmd_bearer_set_help }, |
| 979 | { NULL } |
| 980 | }; |
| 981 | |
| 982 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); |
| 983 | } |