| File: | src/sbin/ifconfig/brconfig.c |
| Warning: | line 816, column 2 Value stored to 'ifrp' is never read |
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| 1 | /* $OpenBSD: brconfig.c,v 1.30 2021/11/11 09:39:16 claudio Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net) |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 19 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 20 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 24 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 25 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef SMALL |
| 30 | |
| 31 | #include <stdio.h> |
| 32 | #include <sys/types.h> |
| 33 | #include <sys/stdint.h> |
| 34 | #include <unistd.h> |
| 35 | #include <stdlib.h> |
| 36 | #include <sys/socket.h> |
| 37 | #include <sys/ioctl.h> |
| 38 | #include <net/if.h> |
| 39 | #include <netinet/in.h> |
| 40 | #include <netinet/if_ether.h> |
| 41 | #include <net/if_bridge.h> |
| 42 | #include <netdb.h> |
| 43 | #include <string.h> |
| 44 | #include <err.h> |
| 45 | #include <errno(*__errno()).h> |
| 46 | #include <getopt.h> |
| 47 | #include <limits.h> |
| 48 | #include <arpa/inet.h> |
| 49 | |
| 50 | #include "ifconfig.h" |
| 51 | |
| 52 | void bridge_ifsetflag(const char *, u_int32_t); |
| 53 | void bridge_ifclrflag(const char *, u_int32_t); |
| 54 | |
| 55 | void bridge_list(char *); |
| 56 | void bridge_cfg(const char *); |
| 57 | void bridge_badrule(int, char **, int); |
| 58 | void bridge_showrule(struct ifbrlreq *); |
| 59 | int bridge_arprule(struct ifbrlreq *, int *, char ***); |
| 60 | |
| 61 | #define IFBAFBITS"\020\1STATIC" "\020\1STATIC" |
| 62 | #define IFBIFBITS"\020\1LEARNING\2DISCOVER\3BLOCKNONIP\4STP\5EDGE\6AUTOEDGE\7PTP\10AUTOPTP\11SPAN\15LOCAL" \ |
| 63 | "\020\1LEARNING\2DISCOVER\3BLOCKNONIP\4STP\5EDGE\6AUTOEDGE\7PTP\10AUTOPTP\11SPAN\15LOCAL" |
| 64 | |
| 65 | #define PV2ID(pv, epri, eaddr)do { epri = pv >> 48; eaddr[0] = pv >> 40; eaddr[ 1] = pv >> 32; eaddr[2] = pv >> 24; eaddr[3] = pv >> 16; eaddr[4] = pv >> 8; eaddr[5] = pv >> 0; } while (0) do { \ |
| 66 | epri = pv >> 48; \ |
| 67 | eaddr[0] = pv >> 40; \ |
| 68 | eaddr[1] = pv >> 32; \ |
| 69 | eaddr[2] = pv >> 24; \ |
| 70 | eaddr[3] = pv >> 16; \ |
| 71 | eaddr[4] = pv >> 8; \ |
| 72 | eaddr[5] = pv >> 0; \ |
| 73 | } while (0) |
| 74 | |
| 75 | char *stpstates[] = { |
| 76 | "disabled", |
| 77 | "listening", |
| 78 | "learning", |
| 79 | "forwarding", |
| 80 | "blocking", |
| 81 | "discarding" |
| 82 | }; |
| 83 | char *stpproto[] = { |
| 84 | "stp", |
| 85 | "(none)", |
| 86 | "rstp", |
| 87 | }; |
| 88 | char *stproles[] = { |
| 89 | "disabled", |
| 90 | "root", |
| 91 | "designated", |
| 92 | "alternate", |
| 93 | "backup" |
| 94 | }; |
| 95 | |
| 96 | |
| 97 | void |
| 98 | setdiscover(const char *val, int d) |
| 99 | { |
| 100 | bridge_ifsetflag(val, IFBIF_DISCOVER0x0002); |
| 101 | } |
| 102 | |
| 103 | void |
| 104 | unsetdiscover(const char *val, int d) |
| 105 | { |
| 106 | bridge_ifclrflag(val, IFBIF_DISCOVER0x0002); |
| 107 | } |
| 108 | |
| 109 | void |
| 110 | setblocknonip(const char *val, int d) |
| 111 | { |
| 112 | bridge_ifsetflag(val, IFBIF_BLOCKNONIP0x0004); |
| 113 | } |
| 114 | |
| 115 | void |
| 116 | unsetblocknonip(const char *val, int d) |
| 117 | { |
| 118 | bridge_ifclrflag(val, IFBIF_BLOCKNONIP0x0004); |
| 119 | } |
| 120 | |
| 121 | void |
| 122 | setlearn(const char *val, int d) |
| 123 | { |
| 124 | bridge_ifsetflag(val, IFBIF_LEARNING0x0001); |
| 125 | } |
| 126 | |
| 127 | void |
| 128 | unsetlearn(const char *val, int d) |
| 129 | { |
| 130 | bridge_ifclrflag(val, IFBIF_LEARNING0x0001); |
| 131 | } |
| 132 | |
| 133 | void |
| 134 | setstp(const char *val, int d) |
| 135 | { |
| 136 | bridge_ifsetflag(val, IFBIF_STP0x0008); |
| 137 | } |
| 138 | |
| 139 | void |
| 140 | unsetstp(const char *val, int d) |
| 141 | { |
| 142 | bridge_ifclrflag(val, IFBIF_STP0x0008); |
| 143 | } |
| 144 | |
| 145 | void |
| 146 | setedge(const char *val, int d) |
| 147 | { |
| 148 | bridge_ifsetflag(val, IFBIF_BSTP_EDGE0x0010); |
| 149 | } |
| 150 | |
| 151 | void |
| 152 | unsetedge(const char *val, int d) |
| 153 | { |
| 154 | bridge_ifclrflag(val, IFBIF_BSTP_EDGE0x0010); |
| 155 | } |
| 156 | |
| 157 | void |
| 158 | setautoedge(const char *val, int d) |
| 159 | { |
| 160 | bridge_ifsetflag(val, IFBIF_BSTP_AUTOEDGE0x0020); |
| 161 | } |
| 162 | |
| 163 | void |
| 164 | unsetautoedge(const char *val, int d) |
| 165 | { |
| 166 | bridge_ifclrflag(val, IFBIF_BSTP_AUTOEDGE0x0020); |
| 167 | } |
| 168 | |
| 169 | void |
| 170 | setptp(const char *val, int d) |
| 171 | { |
| 172 | bridge_ifsetflag(val, IFBIF_BSTP_PTP0x0040); |
| 173 | } |
| 174 | |
| 175 | void |
| 176 | unsetptp(const char *val, int d) |
| 177 | { |
| 178 | bridge_ifclrflag(val, IFBIF_BSTP_PTP0x0040); |
| 179 | } |
| 180 | |
| 181 | void |
| 182 | setautoptp(const char *val, int d) |
| 183 | { |
| 184 | bridge_ifsetflag(val, IFBIF_BSTP_AUTOPTP0x0080); |
| 185 | } |
| 186 | |
| 187 | void |
| 188 | unsetautoptp(const char *val, int d) |
| 189 | { |
| 190 | bridge_ifclrflag(val, IFBIF_BSTP_AUTOPTP0x0080); |
| 191 | } |
| 192 | |
| 193 | void |
| 194 | addlocal(const char *ifsname, int d) |
| 195 | { |
| 196 | struct ifbreq breq; |
| 197 | |
| 198 | if (strncmp(ifsname, "vether", (sizeof("vether") - 1)) != 0) |
| 199 | errx(1, "only vether can be local interface"); |
| 200 | |
| 201 | /* Add local */ |
| 202 | strlcpy(breq.ifbr_name, ifname, sizeof(breq.ifbr_name)); |
| 203 | strlcpy(breq.ifbr_ifsname, ifsname, sizeof(breq.ifbr_ifsname)); |
| 204 | if (ioctl(sock, SIOCBRDGADDL((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((73))), (caddr_t)&breq) == -1) { |
| 205 | if (errno(*__errno()) == EEXIST17) |
| 206 | return; |
| 207 | else |
| 208 | err(1, "%s: ioctl SIOCBRDGADDL %s", ifname, ifsname); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | void |
| 213 | bridge_ifsetflag(const char *ifsname, u_int32_t flag) |
| 214 | { |
| 215 | struct ifbreq req; |
| 216 | |
| 217 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 218 | strlcpy(req.ifbr_ifsname, ifsname, sizeof(req.ifbr_ifsname)); |
| 219 | if (ioctl(sock, SIOCBRDGGIFFLGS(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbreq) & 0x1fff) << 16) | ((('i')) << 8) | ((62))), (caddr_t)&req) == -1) |
| 220 | err(1, "%s: ioctl SIOCBRDGGIFFLGS %s", ifname, ifsname); |
| 221 | |
| 222 | req.ifbr_ifsflags |= flag & ~IFBIF_RO_MASK0x0f00; |
| 223 | |
| 224 | if (ioctl(sock, SIOCBRDGSIFFLGS((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((63))), (caddr_t)&req) == -1) |
| 225 | err(1, "%s: ioctl SIOCBRDGSIFFLGS %s", ifname, ifsname); |
| 226 | } |
| 227 | |
| 228 | void |
| 229 | bridge_ifclrflag(const char *ifsname, u_int32_t flag) |
| 230 | { |
| 231 | struct ifbreq req; |
| 232 | |
| 233 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 234 | strlcpy(req.ifbr_ifsname, ifsname, sizeof(req.ifbr_ifsname)); |
| 235 | |
| 236 | if (ioctl(sock, SIOCBRDGGIFFLGS(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbreq) & 0x1fff) << 16) | ((('i')) << 8) | ((62))), (caddr_t)&req) == -1) |
| 237 | err(1, "%s: ioctl SIOCBRDGGIFFLGS %s", ifname, ifsname); |
| 238 | |
| 239 | req.ifbr_ifsflags &= ~(flag | IFBIF_RO_MASK0x0f00); |
| 240 | |
| 241 | if (ioctl(sock, SIOCBRDGSIFFLGS((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((63))), (caddr_t)&req) == -1) |
| 242 | err(1, "%s: ioctl SIOCBRDGSIFFLGS %s", ifname, ifsname); |
| 243 | } |
| 244 | |
| 245 | void |
| 246 | bridge_flushall(const char *val, int p) |
| 247 | { |
| 248 | struct ifbreq req; |
| 249 | |
| 250 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 251 | req.ifbr_ifsflags = IFBF_FLUSHALL0x1; |
| 252 | if (ioctl(sock, SIOCBRDGFLUSH((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((72))), &req) == -1) |
| 253 | err(1, "%s", ifname); |
| 254 | } |
| 255 | |
| 256 | void |
| 257 | bridge_flush(const char *val, int p) |
| 258 | { |
| 259 | struct ifbreq req; |
| 260 | |
| 261 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 262 | req.ifbr_ifsflags = IFBF_FLUSHDYN0x0; |
| 263 | if (ioctl(sock, SIOCBRDGFLUSH((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((72))), &req) == -1) |
| 264 | err(1, "%s", ifname); |
| 265 | } |
| 266 | |
| 267 | void |
| 268 | bridge_cfg(const char *delim) |
| 269 | { |
| 270 | struct ifbropreq ifbp; |
| 271 | u_int16_t pri; |
| 272 | u_int8_t ht, fd, ma, hc, proto; |
| 273 | u_int8_t lladdr[ETHER_ADDR_LEN6]; |
| 274 | u_int16_t bprio; |
| 275 | |
| 276 | strlcpy(ifbp.ifbop_name, ifname, sizeof(ifbp.ifbop_name)); |
| 277 | if (ioctl(sock, SIOCBRDGGPARAM(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbropreq) & 0x1fff) << 16) | ((('i')) << 8) | ((88))), (caddr_t)&ifbp) == -1) { |
| 278 | if (errno(*__errno()) == ENOTTY25) |
| 279 | return; |
| 280 | err(1, "%s SIOCBRDGGPARAM", ifname); |
| 281 | } |
| 282 | |
| 283 | printf("%s", delim); |
| 284 | pri = ifbp.ifbop_priority; |
| 285 | ht = ifbp.ifbop_hellotime; |
| 286 | fd = ifbp.ifbop_fwddelay; |
| 287 | ma = ifbp.ifbop_maxage; |
| 288 | hc = ifbp.ifbop_holdcount; |
| 289 | proto = ifbp.ifbop_protocol; |
| 290 | |
| 291 | printf("priority %u hellotime %u fwddelay %u maxage %u " |
| 292 | "holdcnt %u proto %s\n", pri, ht, fd, ma, hc, stpproto[proto]); |
| 293 | |
| 294 | if (aflag) |
| 295 | return; |
| 296 | |
| 297 | PV2ID(ifbp.ifbop_desg_bridge, bprio, lladdr)do { bprio = ifbp.ifbop_desg_bridge >> 48; lladdr[0] = ifbp .ifbop_desg_bridge >> 40; lladdr[1] = ifbp.ifbop_desg_bridge >> 32; lladdr[2] = ifbp.ifbop_desg_bridge >> 24; lladdr[3] = ifbp.ifbop_desg_bridge >> 16; lladdr[4] = ifbp .ifbop_desg_bridge >> 8; lladdr[5] = ifbp.ifbop_desg_bridge >> 0; } while (0); |
| 298 | printf("\tdesignated: id %s priority %u\n", |
| 299 | ether_ntoa((struct ether_addr *)lladdr), bprio); |
| 300 | |
| 301 | if (ifbp.ifbop_root_bridge == ifbp.ifbop_desg_bridge) |
| 302 | return; |
| 303 | |
| 304 | PV2ID(ifbp.ifbop_root_bridge, bprio, lladdr)do { bprio = ifbp.ifbop_root_bridge >> 48; lladdr[0] = ifbp .ifbop_root_bridge >> 40; lladdr[1] = ifbp.ifbop_root_bridge >> 32; lladdr[2] = ifbp.ifbop_root_bridge >> 24; lladdr[3] = ifbp.ifbop_root_bridge >> 16; lladdr[4] = ifbp .ifbop_root_bridge >> 8; lladdr[5] = ifbp.ifbop_root_bridge >> 0; } while (0); |
| 305 | printf("\troot: id %s priority %u ifcost %u port %u\n", |
| 306 | ether_ntoa((struct ether_addr *)lladdr), bprio, |
| 307 | ifbp.ifbop_root_path_cost, ifbp.ifbop_root_port & 0xfff); |
| 308 | } |
| 309 | |
| 310 | void |
| 311 | bridge_list(char *delim) |
| 312 | { |
| 313 | struct ifbreq *reqp; |
| 314 | struct ifbifconf bifc; |
| 315 | int i, len = 8192; |
| 316 | char buf[sizeof(reqp->ifbr_ifsname) + 1], *inbuf = NULL((void *)0), *inb; |
| 317 | |
| 318 | while (1) { |
| 319 | bifc.ifbic_len = len; |
| 320 | inb = realloc(inbuf, len); |
| 321 | if (inb == NULL((void *)0)) |
| 322 | err(1, "malloc"); |
| 323 | bifc.ifbic_bufifbic_ifbicu.ifbicu_buf = inbuf = inb; |
| 324 | strlcpy(bifc.ifbic_name, ifname, sizeof(bifc.ifbic_name)); |
| 325 | if (ioctl(sock, SIOCBRDGIFS(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbreq) & 0x1fff) << 16) | ((('i')) << 8) | ((66))), &bifc) == -1) { |
| 326 | if (errno(*__errno()) == ENOTTY25) |
| 327 | return; |
| 328 | err(1, "%s SIOCBRDGIFS", ifname); |
| 329 | } |
| 330 | if (bifc.ifbic_len + sizeof(*reqp) < len) |
| 331 | break; |
| 332 | len *= 2; |
| 333 | } |
| 334 | for (i = 0; i < bifc.ifbic_len / sizeof(*reqp); i++) { |
| 335 | reqp = bifc.ifbic_reqifbic_ifbicu.ifbicu_req + i; |
| 336 | strlcpy(buf, reqp->ifbr_ifsname, sizeof(buf)); |
| 337 | printf("%s%s ", delim, buf); |
| 338 | printb("flags", reqp->ifbr_ifsflags, IFBIFBITS"\020\1LEARNING\2DISCOVER\3BLOCKNONIP\4STP\5EDGE\6AUTOEDGE\7PTP\10AUTOPTP\11SPAN\15LOCAL"); |
| 339 | printf("\n"); |
| 340 | if (reqp->ifbr_ifsflags & IFBIF_SPAN0x0100) |
| 341 | continue; |
| 342 | printf("\t\t"); |
| 343 | printf("port %u ifpriority %u ifcost %u", |
| 344 | reqp->ifbr_portno, reqp->ifbr_priority, |
| 345 | reqp->ifbr_path_cost); |
| 346 | if (reqp->ifbr_protected) { |
| 347 | int v; |
| 348 | |
| 349 | v = ffs(reqp->ifbr_protected); |
| 350 | printf(" protected %u", v); |
| 351 | while (++v < 32) { |
| 352 | if ((1 << (v - 1)) & reqp->ifbr_protected) |
| 353 | printf(",%u", v); |
| 354 | } |
| 355 | } |
| 356 | if (reqp->ifbr_ifsflags & IFBIF_STP0x0008) |
| 357 | printf(" %s role %s", |
| 358 | stpstates[reqp->ifbr_state], |
| 359 | stproles[reqp->ifbr_role]); |
| 360 | printf("\n"); |
| 361 | bridge_rules(buf, 1); |
| 362 | } |
| 363 | free(bifc.ifbic_bufifbic_ifbicu.ifbicu_buf); |
| 364 | } |
| 365 | |
| 366 | void |
| 367 | bridge_add(const char *ifn, int d) |
| 368 | { |
| 369 | struct ifbreq req; |
| 370 | |
| 371 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 372 | strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); |
| 373 | if (ioctl(sock, SIOCBRDGADD((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((60))), &req) == -1) { |
| 374 | if (errno(*__errno()) == EEXIST17) |
| 375 | return; |
| 376 | err(1, "%s: %s", ifname, ifn); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | void |
| 381 | bridge_delete(const char *ifn, int d) |
| 382 | { |
| 383 | struct ifbreq req; |
| 384 | |
| 385 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 386 | strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); |
| 387 | if (ioctl(sock, SIOCBRDGDEL((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((61))), &req) == -1) |
| 388 | err(1, "%s: %s", ifname, ifn); |
| 389 | } |
| 390 | |
| 391 | void |
| 392 | bridge_addspan(const char *ifn, int d) |
| 393 | { |
| 394 | struct ifbreq req; |
| 395 | |
| 396 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 397 | strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); |
| 398 | if (ioctl(sock, SIOCBRDGADDS((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((65))), &req) == -1) { |
| 399 | if (errno(*__errno()) == EEXIST17) |
| 400 | return; |
| 401 | err(1, "%s: %s", ifname, ifn); |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | void |
| 406 | bridge_delspan(const char *ifn, int d) |
| 407 | { |
| 408 | struct ifbreq req; |
| 409 | |
| 410 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 411 | strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); |
| 412 | if (ioctl(sock, SIOCBRDGDELS((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((66))), &req) == -1) |
| 413 | err(1, "%s: %s", ifname, ifn); |
| 414 | } |
| 415 | |
| 416 | void |
| 417 | bridge_timeout(const char *arg, int d) |
| 418 | { |
| 419 | struct ifbrparam bp; |
| 420 | const char *errstr; |
| 421 | |
| 422 | bp.ifbrp_ctimeifbrp_ifbrpu.ifbrpu_ctime = strtonum(arg, 0, UINT32_MAX0xffffffffU, &errstr); |
| 423 | if (errstr) |
| 424 | err(1, "timeout %s is: %s", arg, errstr); |
| 425 | |
| 426 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 427 | if (ioctl(sock, SIOCBRDGSTO((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((69))), (caddr_t)&bp) == -1) |
| 428 | err(1, "%s", ifname); |
| 429 | } |
| 430 | |
| 431 | void |
| 432 | bridge_maxage(const char *arg, int d) |
| 433 | { |
| 434 | struct ifbrparam bp; |
| 435 | const char *errstr; |
| 436 | |
| 437 | bp.ifbrp_maxageifbrp_ifbrpu.ifbrpu_maxage = strtonum(arg, 0, UINT8_MAX0xff, &errstr); |
| 438 | if (errstr) |
| 439 | errx(1, "maxage %s is: %s", arg, errstr); |
| 440 | |
| 441 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 442 | if (ioctl(sock, SIOCBRDGSMA((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((83))), (caddr_t)&bp) == -1) |
| 443 | err(1, "%s", ifname); |
| 444 | } |
| 445 | |
| 446 | void |
| 447 | bridge_priority(const char *arg, int d) |
| 448 | { |
| 449 | struct ifbrparam bp; |
| 450 | const char *errstr; |
| 451 | |
| 452 | bp.ifbrp_prioifbrp_ifbrpu.ifbrpu_prio = strtonum(arg, 0, UINT16_MAX0xffff, &errstr); |
| 453 | if (errstr) |
| 454 | errx(1, "spanpriority %s is: %s", arg, errstr); |
| 455 | |
| 456 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 457 | if (ioctl(sock, SIOCBRDGSPRI((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((80))), (caddr_t)&bp) == -1) |
| 458 | err(1, "%s", ifname); |
| 459 | } |
| 460 | |
| 461 | void |
| 462 | bridge_protect(const char *ifsname, const char *val) |
| 463 | { |
| 464 | struct ifbreq breq; |
| 465 | unsigned long v; |
| 466 | char *optlist, *str; |
| 467 | const char *errstr; |
| 468 | |
| 469 | strlcpy(breq.ifbr_name, ifname, sizeof(breq.ifbr_name)); |
| 470 | strlcpy(breq.ifbr_ifsname, ifsname, sizeof(breq.ifbr_ifsname)); |
| 471 | breq.ifbr_protected = 0; |
| 472 | |
| 473 | /* We muck with the string, so copy it. */ |
| 474 | optlist = strdup(val); |
| 475 | if (optlist == NULL((void *)0)) |
| 476 | err(1, "strdup"); |
| 477 | |
| 478 | str = strtok(optlist, ","); |
| 479 | while (str != NULL((void *)0)) { |
| 480 | v = strtonum(str, 1, 31, &errstr); |
| 481 | if (errstr) |
| 482 | err(1, "protected domain %s is: %s", str, errstr); |
| 483 | breq.ifbr_protected |= (1 << (v - 1)); |
| 484 | str = strtok(NULL((void *)0), ","); |
| 485 | } |
| 486 | |
| 487 | if (ioctl(sock, SIOCBRDGSIFPROT((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((74))), (caddr_t)&breq) == -1) |
| 488 | err(1, "%s: %s", ifname, val); |
| 489 | |
| 490 | free(optlist); |
| 491 | } |
| 492 | |
| 493 | void |
| 494 | bridge_unprotect(const char *ifsname, int d) |
| 495 | { |
| 496 | struct ifbreq breq; |
| 497 | |
| 498 | strlcpy(breq.ifbr_name, ifname, sizeof(breq.ifbr_name)); |
| 499 | strlcpy(breq.ifbr_ifsname, ifsname, sizeof(breq.ifbr_ifsname)); |
| 500 | |
| 501 | breq.ifbr_protected = 0; |
| 502 | |
| 503 | if (ioctl(sock, SIOCBRDGSIFPROT((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((74))), (caddr_t)&breq) == -1) |
| 504 | err(1, "%s: %d", ifname, 0); |
| 505 | } |
| 506 | |
| 507 | void |
| 508 | bridge_proto(const char *arg, int d) |
| 509 | { |
| 510 | struct ifbrparam bp; |
| 511 | int i, proto = -1; |
| 512 | |
| 513 | for (i = 0; i <= BSTP_PROTO_MAX0x02; i++) |
| 514 | if (strcmp(arg, stpproto[i]) == 0) { |
| 515 | proto = i; |
| 516 | break; |
| 517 | } |
| 518 | if (proto == -1) |
| 519 | errx(1, "invalid arg for proto: %s", arg); |
| 520 | |
| 521 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 522 | bp.ifbrp_prioifbrp_ifbrpu.ifbrpu_prio = proto; |
| 523 | if (ioctl(sock, SIOCBRDGSPROTO((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((90))), (caddr_t)&bp) == -1) |
| 524 | err(1, "%s", ifname); |
| 525 | } |
| 526 | |
| 527 | void |
| 528 | bridge_fwddelay(const char *arg, int d) |
| 529 | { |
| 530 | struct ifbrparam bp; |
| 531 | const char *errstr; |
| 532 | |
| 533 | bp.ifbrp_fwddelayifbrp_ifbrpu.ifbrpu_fwddelay = strtonum(arg, 0, UINT8_MAX0xff, &errstr); |
| 534 | if (errstr) |
| 535 | errx(1, "fwddelay %s is: %s", arg, errstr); |
| 536 | |
| 537 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 538 | |
| 539 | if (ioctl(sock, SIOCBRDGSFD((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((82))), (caddr_t)&bp) == -1) |
| 540 | err(1, "%s", ifname); |
| 541 | } |
| 542 | |
| 543 | void |
| 544 | bridge_hellotime(const char *arg, int d) |
| 545 | { |
| 546 | struct ifbrparam bp; |
| 547 | const char *errstr; |
| 548 | |
| 549 | bp.ifbrp_hellotimeifbrp_ifbrpu.ifbrpu_hellotime = strtonum(arg, 0, UINT8_MAX0xff, &errstr); |
| 550 | if (errstr) |
| 551 | errx(1, "hellotime %s is: %s", arg, errstr); |
| 552 | |
| 553 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 554 | |
| 555 | if (ioctl(sock, SIOCBRDGSHT((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((81))), (caddr_t)&bp) == -1) |
| 556 | err(1, "%s", ifname); |
| 557 | } |
| 558 | |
| 559 | void |
| 560 | bridge_maxaddr(const char *arg, int d) |
| 561 | { |
| 562 | struct ifbrparam bp; |
| 563 | unsigned long newsize; |
| 564 | const char *errstr; |
| 565 | |
| 566 | bp.ifbrp_csizeifbrp_ifbrpu.ifbrpu_csize = strtonum(arg, 0, UINT32_MAX0xffffffffU, &errstr); |
| 567 | if (errstr) |
| 568 | errx(1, "maxaddr %s is: %s", arg, errstr); |
| 569 | |
| 570 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 571 | if (ioctl(sock, SIOCBRDGSCACHE((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((64))), (caddr_t)&bp) == -1) |
| 572 | err(1, "%s", ifname); |
| 573 | } |
| 574 | |
| 575 | void |
| 576 | bridge_deladdr(const char *addr, int d) |
| 577 | { |
| 578 | struct ifbareq ifba; |
| 579 | struct ether_addr *ea; |
| 580 | |
| 581 | strlcpy(ifba.ifba_name, ifname, sizeof(ifba.ifba_name)); |
| 582 | ea = ether_aton(addr); |
| 583 | if (ea == NULL((void *)0)) |
| 584 | err(1, "Invalid address: %s", addr); |
| 585 | |
| 586 | bcopy(ea, &ifba.ifba_dst, sizeof(struct ether_addr)); |
| 587 | |
| 588 | if (ioctl(sock, SIOCBRDGDADDR((unsigned long)0x80000000 | ((sizeof(struct ifbareq) & 0x1fff ) << 16) | ((('i')) << 8) | ((71))), &ifba) == -1) |
| 589 | err(1, "%s: %s", ifname, addr); |
| 590 | } |
| 591 | |
| 592 | void |
| 593 | bridge_ifprio(const char *ifsname, const char *val) |
| 594 | { |
| 595 | struct ifbreq breq; |
| 596 | const char *errstr; |
| 597 | |
| 598 | breq.ifbr_priority = strtonum(val, 0, UINT8_MAX0xff, &errstr); |
| 599 | if (errstr) |
| 600 | errx(1, "ifpriority %s is: %s", val, errstr); |
| 601 | |
| 602 | strlcpy(breq.ifbr_name, ifname, sizeof(breq.ifbr_name)); |
| 603 | strlcpy(breq.ifbr_ifsname, ifsname, sizeof(breq.ifbr_ifsname)); |
| 604 | |
| 605 | if (ioctl(sock, SIOCBRDGSIFPRIO((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((84))), (caddr_t)&breq) == -1) |
| 606 | err(1, "%s: %s", ifname, val); |
| 607 | } |
| 608 | |
| 609 | void |
| 610 | bridge_ifcost(const char *ifsname, const char *val) |
| 611 | { |
| 612 | struct ifbreq breq; |
| 613 | const char *errstr; |
| 614 | |
| 615 | breq.ifbr_path_cost = strtonum(val, 0, UINT32_MAX0xffffffffU, &errstr); |
| 616 | if (errstr) |
| 617 | errx(1, "ifcost %s is: %s", val, errstr); |
| 618 | |
| 619 | strlcpy(breq.ifbr_name, ifname, sizeof(breq.ifbr_name)); |
| 620 | strlcpy(breq.ifbr_ifsname, ifsname, sizeof(breq.ifbr_ifsname)); |
| 621 | |
| 622 | if (ioctl(sock, SIOCBRDGSIFCOST((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((85))), (caddr_t)&breq) == -1) |
| 623 | err(1, "%s: %s", ifname, val); |
| 624 | } |
| 625 | |
| 626 | void |
| 627 | bridge_noifcost(const char *ifsname, int d) |
| 628 | { |
| 629 | struct ifbreq breq; |
| 630 | |
| 631 | strlcpy(breq.ifbr_name, ifname, sizeof(breq.ifbr_name)); |
| 632 | strlcpy(breq.ifbr_ifsname, ifsname, sizeof(breq.ifbr_ifsname)); |
| 633 | |
| 634 | breq.ifbr_path_cost = 0; |
| 635 | |
| 636 | if (ioctl(sock, SIOCBRDGSIFCOST((unsigned long)0x80000000 | ((sizeof(struct ifbreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((85))), (caddr_t)&breq) == -1) |
| 637 | err(1, "%s", ifname); |
| 638 | } |
| 639 | |
| 640 | void |
| 641 | bridge_addaddr(const char *ifsname, const char *addr) |
| 642 | { |
| 643 | struct ifbareq ifba; |
| 644 | struct ether_addr *ea; |
| 645 | |
| 646 | strlcpy(ifba.ifba_name, ifname, sizeof(ifba.ifba_name)); |
| 647 | strlcpy(ifba.ifba_ifsname, ifsname, sizeof(ifba.ifba_ifsname)); |
| 648 | |
| 649 | ea = ether_aton(addr); |
| 650 | if (ea == NULL((void *)0)) |
| 651 | errx(1, "Invalid address: %s", addr); |
| 652 | |
| 653 | bcopy(ea, &ifba.ifba_dst, sizeof(struct ether_addr)); |
| 654 | ifba.ifba_flags = IFBAF_STATIC0x01; |
| 655 | |
| 656 | if (ioctl(sock, SIOCBRDGSADDR(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbareq) & 0x1fff) << 16) | ((('i')) << 8) | ((68))), &ifba) == -1) |
| 657 | err(1, "%s: %s", ifname, addr); |
| 658 | } |
| 659 | |
| 660 | void |
| 661 | bridge_addrs(const char *delim, int d) |
| 662 | { |
| 663 | char dstaddr[NI_MAXHOST256]; |
| 664 | char dstport[NI_MAXSERV32]; |
| 665 | const int niflag = NI_NUMERICHOST1|NI_DGRAM16; |
| 666 | struct ifbaconf ifbac; |
| 667 | struct ifbareq *ifba; |
| 668 | char *inbuf = NULL((void *)0), buf[sizeof(ifba->ifba_ifsname) + 1], *inb; |
| 669 | struct sockaddr *sa; |
| 670 | int i, len = 8192; |
| 671 | |
| 672 | /* ifconfig will call us with the argv of the command */ |
| 673 | if (strcmp(delim, "addr") == 0) |
| 674 | delim = ""; |
| 675 | |
| 676 | while (1) { |
| 677 | ifbac.ifbac_len = len; |
| 678 | inb = realloc(inbuf, len); |
| 679 | if (inb == NULL((void *)0)) |
| 680 | err(1, "malloc"); |
| 681 | ifbac.ifbac_bufifbac_ifbacu.ifbacu_buf = inbuf = inb; |
| 682 | strlcpy(ifbac.ifbac_name, ifname, sizeof(ifbac.ifbac_name)); |
| 683 | if (ioctl(sock, SIOCBRDGRTS(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbaconf) & 0x1fff) << 16) | ((('i')) << 8) | ((67))), &ifbac) == -1) { |
| 684 | if (errno(*__errno()) == ENETDOWN50) |
| 685 | return; |
| 686 | err(1, "%s", ifname); |
| 687 | } |
| 688 | if (ifbac.ifbac_len + sizeof(*ifba) < len) |
| 689 | break; |
| 690 | len *= 2; |
| 691 | } |
| 692 | |
| 693 | for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) { |
| 694 | ifba = ifbac.ifbac_reqifbac_ifbacu.ifbacu_req + i; |
| 695 | strlcpy(buf, ifba->ifba_ifsname, sizeof(buf)); |
| 696 | printf("%s%s %s %u ", delim, ether_ntoa(&ifba->ifba_dst), |
| 697 | buf, ifba->ifba_age); |
| 698 | sa = (struct sockaddr *)&ifba->ifba_dstsa; |
| 699 | printb("flags", ifba->ifba_flags, IFBAFBITS"\020\1STATIC"); |
| 700 | if (sa->sa_family != AF_UNSPEC0 && |
| 701 | getnameinfo(sa, sa->sa_len, |
| 702 | dstaddr, sizeof(dstaddr), |
| 703 | dstport, sizeof(dstport), niflag) == 0) |
| 704 | printf(" tunnel %s:%s", dstaddr, dstport); |
| 705 | printf("\n"); |
| 706 | } |
| 707 | free(inbuf); |
| 708 | } |
| 709 | |
| 710 | void |
| 711 | bridge_holdcnt(const char *value, int d) |
| 712 | { |
| 713 | struct ifbrparam bp; |
| 714 | const char *errstr; |
| 715 | |
| 716 | bp.ifbrp_txhcifbrp_ifbrpu.ifbrpu_txhc = strtonum(value, 0, UINT8_MAX0xff, &errstr); |
| 717 | if (errstr) |
| 718 | err(1, "holdcnt %s is: %s", value, errstr); |
| 719 | |
| 720 | strlcpy(bp.ifbrp_name, ifname, sizeof(bp.ifbrp_name)); |
| 721 | if (ioctl(sock, SIOCBRDGSTXHC((unsigned long)0x80000000 | ((sizeof(struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((89))), (caddr_t)&bp) == -1) |
| 722 | err(1, "%s", ifname); |
| 723 | } |
| 724 | |
| 725 | /* |
| 726 | * Check to make sure interface is really a bridge interface. |
| 727 | */ |
| 728 | int |
| 729 | is_bridge() |
| 730 | { |
| 731 | struct ifbaconf ifbac; |
| 732 | |
| 733 | ifbac.ifbac_len = 0; |
| 734 | strlcpy(ifbac.ifbac_name, ifname, sizeof(ifbac.ifbac_name)); |
| 735 | if (ioctl(sock, SIOCBRDGRTS(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbaconf) & 0x1fff) << 16) | ((('i')) << 8) | ((67))), (caddr_t)&ifbac) == -1) { |
| 736 | if (errno(*__errno()) == ENETDOWN50) |
| 737 | return (1); |
| 738 | return (0); |
| 739 | } |
| 740 | return (1); |
| 741 | } |
| 742 | |
| 743 | /* no tpmr(4) specific ioctls, name is enough if ifconfig.c:printif() passed */ |
| 744 | int |
| 745 | is_tpmr(void) |
| 746 | { |
| 747 | return (strncmp(ifname, "tpmr", sizeof("tpmr") - 1) == 0); |
| 748 | } |
| 749 | |
| 750 | void |
| 751 | bridge_status(void) |
| 752 | { |
| 753 | struct ifbrparam bp1, bp2; |
| 754 | |
| 755 | if (is_tpmr()) { |
| 756 | bridge_list("\t"); |
| 757 | return; |
| 758 | } |
| 759 | |
| 760 | if (!is_bridge()) |
| 761 | return; |
| 762 | |
| 763 | bridge_cfg("\t"); |
| 764 | bridge_list("\t"); |
| 765 | |
| 766 | if (aflag && !ifaliases) |
| 767 | return; |
| 768 | |
| 769 | strlcpy(bp1.ifbrp_name, ifname, sizeof(bp1.ifbrp_name)); |
| 770 | if (ioctl(sock, SIOCBRDGGCACHE(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((65))), (caddr_t)&bp1) == -1) |
| 771 | return; |
| 772 | |
| 773 | strlcpy(bp2.ifbrp_name, ifname, sizeof(bp2.ifbrp_name)); |
| 774 | if (ioctl(sock, SIOCBRDGGTO(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbrparam) & 0x1fff) << 16) | ((('i')) << 8) | ((70))), (caddr_t)&bp2) == -1) |
| 775 | return; |
| 776 | |
| 777 | printf("\tAddresses (max cache: %u, timeout: %u):\n", |
| 778 | bp1.ifbrp_csizeifbrp_ifbrpu.ifbrpu_csize, bp2.ifbrp_ctimeifbrp_ifbrpu.ifbrpu_ctime); |
| 779 | |
| 780 | bridge_addrs("\t\t", 0); |
| 781 | } |
| 782 | |
| 783 | void |
| 784 | bridge_flushrule(const char *ifsname, int d) |
| 785 | { |
| 786 | struct ifbrlreq req; |
| 787 | |
| 788 | strlcpy(req.ifbr_name, ifname, sizeof(req.ifbr_name)); |
| 789 | strlcpy(req.ifbr_ifsname, ifsname, sizeof(req.ifbr_ifsname)); |
| 790 | if (ioctl(sock, SIOCBRDGFRL((unsigned long)0x80000000 | ((sizeof(struct ifbrlreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((78))), &req) == -1) |
| 791 | err(1, "%s: %s", ifname, ifsname); |
| 792 | } |
| 793 | |
| 794 | void |
| 795 | bridge_rules(const char *ifsname, int usetab) |
| 796 | { |
| 797 | char *inbuf = NULL((void *)0), *inb; |
| 798 | struct ifbrlconf ifc; |
| 799 | struct ifbrlreq *ifrp; |
| 800 | int len = 8192, i; |
| 801 | |
| 802 | while (1) { |
| 803 | ifc.ifbrl_len = len; |
| 804 | inb = realloc(inbuf, len); |
| 805 | if (inb == NULL((void *)0)) |
| 806 | err(1, "malloc"); |
| 807 | ifc.ifbrl_bufifbrl_ifbrlu.ifbrlu_buf = inbuf = inb; |
| 808 | strlcpy(ifc.ifbrl_name, ifname, sizeof(ifc.ifbrl_name)); |
| 809 | strlcpy(ifc.ifbrl_ifsname, ifsname, sizeof(ifc.ifbrl_ifsname)); |
| 810 | if (ioctl(sock, SIOCBRDGGRL(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifbrlconf) & 0x1fff) << 16) | ((('i')) << 8) | ((79))), &ifc) == -1) |
| 811 | err(1, "ioctl(SIOCBRDGGRL)"); |
| 812 | if (ifc.ifbrl_len + sizeof(*ifrp) < len) |
| 813 | break; |
| 814 | len *= 2; |
| 815 | } |
| 816 | ifrp = ifc.ifbrl_reqifbrl_ifbrlu.ifbrlu_req; |
Value stored to 'ifrp' is never read | |
| 817 | for (i = 0; i < ifc.ifbrl_len; i += sizeof(*ifrp)) { |
| 818 | ifrp = (struct ifbrlreq *)((caddr_t)ifc.ifbrl_reqifbrl_ifbrlu.ifbrlu_req + i); |
| 819 | |
| 820 | if (usetab) |
| 821 | printf("\t"); |
| 822 | |
| 823 | bridge_showrule(ifrp); |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | void |
| 828 | bridge_showrule(struct ifbrlreq *r) |
| 829 | { |
| 830 | if (r->ifbr_action == BRL_ACTION_BLOCK0x01) |
| 831 | printf("block "); |
| 832 | else if (r->ifbr_action == BRL_ACTION_PASS0x02) |
| 833 | printf("pass "); |
| 834 | else |
| 835 | printf("[neither block nor pass?]\n"); |
| 836 | |
| 837 | if ((r->ifbr_flags & (BRL_FLAG_IN0x08 | BRL_FLAG_OUT0x04)) == |
| 838 | (BRL_FLAG_IN0x08 | BRL_FLAG_OUT0x04)) |
| 839 | printf("in/out "); |
| 840 | else if (r->ifbr_flags & BRL_FLAG_IN0x08) |
| 841 | printf("in "); |
| 842 | else if (r->ifbr_flags & BRL_FLAG_OUT0x04) |
| 843 | printf("out "); |
| 844 | else |
| 845 | printf("[neither in nor out?]\n"); |
| 846 | |
| 847 | printf("on %s", r->ifbr_ifsname); |
| 848 | |
| 849 | if (r->ifbr_flags & BRL_FLAG_SRCVALID0x02) |
| 850 | printf(" src %s", ether_ntoa(&r->ifbr_src)); |
| 851 | if (r->ifbr_flags & BRL_FLAG_DSTVALID0x01) |
| 852 | printf(" dst %s", ether_ntoa(&r->ifbr_dst)); |
| 853 | if (r->ifbr_tagname[0]) |
| 854 | printf(" tag %s", r->ifbr_tagname); |
| 855 | |
| 856 | if (r->ifbr_arpf.brla_flags & BRLA_ARP0x01) |
| 857 | printf(" arp"); |
| 858 | if (r->ifbr_arpf.brla_flags & BRLA_RARP0x02) |
| 859 | printf(" rarp"); |
| 860 | if (r->ifbr_arpf.brla_op == ARPOP_REQUEST1 || |
| 861 | r->ifbr_arpf.brla_op == ARPOP_REVREQUEST3) |
| 862 | printf(" request"); |
| 863 | if (r->ifbr_arpf.brla_op == ARPOP_REPLY2 || |
| 864 | r->ifbr_arpf.brla_op == ARPOP_REVREPLY4) |
| 865 | printf(" reply"); |
| 866 | if (r->ifbr_arpf.brla_flags & BRLA_SHA0x10) |
| 867 | printf(" sha %s", ether_ntoa(&r->ifbr_arpf.brla_sha)); |
| 868 | if (r->ifbr_arpf.brla_flags & BRLA_THA0x40) |
| 869 | printf(" tha %s", ether_ntoa(&r->ifbr_arpf.brla_tha)); |
| 870 | if (r->ifbr_arpf.brla_flags & BRLA_SPA0x20) |
| 871 | printf(" spa %s", inet_ntoa(r->ifbr_arpf.brla_spa)); |
| 872 | if (r->ifbr_arpf.brla_flags & BRLA_TPA0x80) |
| 873 | printf(" tpa %s", inet_ntoa(r->ifbr_arpf.brla_tpa)); |
| 874 | |
| 875 | printf("\n"); |
| 876 | } |
| 877 | |
| 878 | /* |
| 879 | * Parse a rule definition and send it upwards. |
| 880 | * |
| 881 | * Syntax: |
| 882 | * {block|pass} {in|out|in/out} on {ifs} [src {mac}] [dst {mac}] |
| 883 | */ |
| 884 | int |
| 885 | bridge_rule(int targc, char **targv, int ln) |
| 886 | { |
| 887 | char **argv = targv; |
| 888 | int argc = targc; |
| 889 | struct ifbrlreq rule; |
| 890 | struct ether_addr *ea, *dea; |
| 891 | |
| 892 | if (argc == 0) { |
| 893 | warnx("invalid rule"); |
| 894 | return (1); |
| 895 | } |
| 896 | bzero(&rule, sizeof(rule)); |
| 897 | strlcpy(rule.ifbr_name, ifname, sizeof(rule.ifbr_name)); |
| 898 | |
| 899 | if (strcmp(argv[0], "block") == 0) |
| 900 | rule.ifbr_action = BRL_ACTION_BLOCK0x01; |
| 901 | else if (strcmp(argv[0], "pass") == 0) |
| 902 | rule.ifbr_action = BRL_ACTION_PASS0x02; |
| 903 | else |
| 904 | goto bad_rule; |
| 905 | argc--; argv++; |
| 906 | |
| 907 | if (argc == 0) { |
| 908 | bridge_badrule(targc, targv, ln); |
| 909 | return (1); |
| 910 | } |
| 911 | if (strcmp(argv[0], "in") == 0) |
| 912 | rule.ifbr_flags |= BRL_FLAG_IN0x08; |
| 913 | else if (strcmp(argv[0], "out") == 0) |
| 914 | rule.ifbr_flags |= BRL_FLAG_OUT0x04; |
| 915 | else if (strcmp(argv[0], "in/out") == 0) |
| 916 | rule.ifbr_flags |= BRL_FLAG_IN0x08 | BRL_FLAG_OUT0x04; |
| 917 | else if (strcmp(argv[0], "on") == 0) { |
| 918 | rule.ifbr_flags |= BRL_FLAG_IN0x08 | BRL_FLAG_OUT0x04; |
| 919 | argc++; argv--; |
| 920 | } else |
| 921 | goto bad_rule; |
| 922 | argc--; argv++; |
| 923 | |
| 924 | if (argc == 0 || strcmp(argv[0], "on")) |
| 925 | goto bad_rule; |
| 926 | argc--; argv++; |
| 927 | |
| 928 | if (argc == 0) |
| 929 | goto bad_rule; |
| 930 | strlcpy(rule.ifbr_ifsname, argv[0], sizeof(rule.ifbr_ifsname)); |
| 931 | argc--; argv++; |
| 932 | |
| 933 | while (argc) { |
| 934 | dea = NULL((void *)0); |
| 935 | if (strcmp(argv[0], "dst") == 0) { |
| 936 | if (rule.ifbr_flags & BRL_FLAG_DSTVALID0x01) |
| 937 | goto bad_rule; |
| 938 | rule.ifbr_flags |= BRL_FLAG_DSTVALID0x01; |
| 939 | dea = &rule.ifbr_dst; |
| 940 | argc--; argv++; |
| 941 | } else if (strcmp(argv[0], "src") == 0) { |
| 942 | if (rule.ifbr_flags & BRL_FLAG_SRCVALID0x02) |
| 943 | goto bad_rule; |
| 944 | rule.ifbr_flags |= BRL_FLAG_SRCVALID0x02; |
| 945 | dea = &rule.ifbr_src; |
| 946 | argc--; argv++; |
| 947 | } else if (strcmp(argv[0], "tag") == 0) { |
| 948 | if (argc < 2) { |
| 949 | warnx("missing tag name"); |
| 950 | goto bad_rule; |
| 951 | } |
| 952 | if (rule.ifbr_tagname[0]) { |
| 953 | warnx("tag already defined"); |
| 954 | goto bad_rule; |
| 955 | } |
| 956 | argc--; argv++; |
| 957 | if (strlcpy(rule.ifbr_tagname, argv[0], |
| 958 | PF_TAG_NAME_SIZE64) > PF_TAG_NAME_SIZE64) { |
| 959 | warnx("tag name '%s' too long", argv[0]); |
| 960 | goto bad_rule; |
| 961 | } |
| 962 | argc--; argv++; |
| 963 | } else if (strcmp(argv[0], "arp") == 0) { |
| 964 | rule.ifbr_arpf.brla_flags |= BRLA_ARP0x01; |
| 965 | argc--; argv++; |
| 966 | if (bridge_arprule(&rule, &argc, &argv) == -1) |
| 967 | goto bad_rule; |
| 968 | } else if (strcmp(argv[0], "rarp") == 0) { |
| 969 | rule.ifbr_arpf.brla_flags |= BRLA_RARP0x02; |
| 970 | argc--; argv++; |
| 971 | if (bridge_arprule(&rule, &argc, &argv) == -1) |
| 972 | goto bad_rule; |
| 973 | } else |
| 974 | goto bad_rule; |
| 975 | |
| 976 | if (dea != NULL((void *)0)) { |
| 977 | if (argc == 0) |
| 978 | goto bad_rule; |
| 979 | ea = ether_aton(argv[0]); |
| 980 | if (ea == NULL((void *)0)) { |
| 981 | warnx("invalid address: %s", argv[0]); |
| 982 | return (1); |
| 983 | } |
| 984 | bcopy(ea, dea, sizeof(*dea)); |
| 985 | argc--; argv++; |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | if (ioctl(sock, SIOCBRDGARL((unsigned long)0x80000000 | ((sizeof(struct ifbrlreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((77))), &rule) == -1) { |
| 990 | warn("%s", ifname); |
| 991 | return (1); |
| 992 | } |
| 993 | return (0); |
| 994 | |
| 995 | bad_rule: |
| 996 | bridge_badrule(targc, targv, ln); |
| 997 | return (1); |
| 998 | } |
| 999 | |
| 1000 | int |
| 1001 | bridge_arprule(struct ifbrlreq *rule, int *argc, char ***argv) |
| 1002 | { |
| 1003 | while (*argc) { |
| 1004 | struct ether_addr *ea, *dea = NULL((void *)0); |
| 1005 | struct in_addr ia, *dia = NULL((void *)0); |
| 1006 | |
| 1007 | if (strcmp((*argv)[0], "request") == 0) { |
| 1008 | if (rule->ifbr_arpf.brla_flags & BRLA_ARP0x01) |
| 1009 | rule->ifbr_arpf.brla_op = ARPOP_REQUEST1; |
| 1010 | else if (rule->ifbr_arpf.brla_flags & BRLA_RARP0x02) |
| 1011 | rule->ifbr_arpf.brla_op = ARPOP_REVREQUEST3; |
| 1012 | else |
| 1013 | errx(1, "bridge_arprule: arp/rarp undefined"); |
| 1014 | } else if (strcmp((*argv)[0], "reply") == 0) { |
| 1015 | if (rule->ifbr_arpf.brla_flags & BRLA_ARP0x01) |
| 1016 | rule->ifbr_arpf.brla_op = ARPOP_REPLY2; |
| 1017 | else if (rule->ifbr_arpf.brla_flags & BRLA_RARP0x02) |
| 1018 | rule->ifbr_arpf.brla_op = ARPOP_REVREPLY4; |
| 1019 | else |
| 1020 | errx(1, "bridge_arprule: arp/rarp undefined"); |
| 1021 | } else if (strcmp((*argv)[0], "sha") == 0) { |
| 1022 | rule->ifbr_arpf.brla_flags |= BRLA_SHA0x10; |
| 1023 | dea = &rule->ifbr_arpf.brla_sha; |
| 1024 | } else if (strcmp((*argv)[0], "tha") == 0) { |
| 1025 | rule->ifbr_arpf.brla_flags |= BRLA_THA0x40; |
| 1026 | dea = &rule->ifbr_arpf.brla_tha; |
| 1027 | } else if (strcmp((*argv)[0], "spa") == 0) { |
| 1028 | rule->ifbr_arpf.brla_flags |= BRLA_SPA0x20; |
| 1029 | dia = &rule->ifbr_arpf.brla_spa; |
| 1030 | } else if (strcmp((*argv)[0], "tpa") == 0) { |
| 1031 | rule->ifbr_arpf.brla_flags |= BRLA_TPA0x80; |
| 1032 | dia = &rule->ifbr_arpf.brla_tpa; |
| 1033 | } else |
| 1034 | return (0); |
| 1035 | |
| 1036 | (*argc)--; (*argv)++; |
| 1037 | if (dea != NULL((void *)0)) { |
| 1038 | if (*argc == 0) |
| 1039 | return (-1); |
| 1040 | ea = ether_aton((*argv)[0]); |
| 1041 | if (ea == NULL((void *)0)) { |
| 1042 | warnx("invalid address: %s", (*argv)[0]); |
| 1043 | return (-1); |
| 1044 | } |
| 1045 | bcopy(ea, dea, sizeof(*dea)); |
| 1046 | (*argc)--; (*argv)++; |
| 1047 | } |
| 1048 | if (dia != NULL((void *)0)) { |
| 1049 | if (*argc == 0) |
| 1050 | return (-1); |
| 1051 | ia.s_addr = inet_addr((*argv)[0]); |
| 1052 | if (ia.s_addr == INADDR_NONE((u_int32_t)(0xffffffff))) { |
| 1053 | warnx("invalid address: %s", (*argv)[0]); |
| 1054 | return (-1); |
| 1055 | } |
| 1056 | bcopy(&ia, dia, sizeof(*dia)); |
| 1057 | (*argc)--; (*argv)++; |
| 1058 | } |
| 1059 | } |
| 1060 | return (0); |
| 1061 | } |
| 1062 | |
| 1063 | |
| 1064 | #define MAXRULEWORDS32 32 |
| 1065 | |
| 1066 | void |
| 1067 | bridge_rulefile(const char *fname, int d) |
| 1068 | { |
| 1069 | FILE *f; |
| 1070 | char *str, *argv[MAXRULEWORDS32], buf[1024]; |
| 1071 | int ln = 0, argc = 0; |
| 1072 | |
| 1073 | f = fopen(fname, "r"); |
| 1074 | if (f == NULL((void *)0)) |
| 1075 | err(1, "%s", fname); |
| 1076 | |
| 1077 | while (fgets(buf, sizeof(buf), f) != NULL((void *)0)) { |
| 1078 | ln++; |
| 1079 | if (buf[0] == '#' || buf[0] == '\n') |
| 1080 | continue; |
| 1081 | |
| 1082 | argc = 0; |
| 1083 | str = strtok(buf, "\n\t\r "); |
| 1084 | while (str != NULL((void *)0) && argc < MAXRULEWORDS32) { |
| 1085 | argv[argc++] = str; |
| 1086 | str = strtok(NULL((void *)0), "\n\t\r "); |
| 1087 | } |
| 1088 | |
| 1089 | /* Rule is too long if there's more. */ |
| 1090 | if (str != NULL((void *)0)) { |
| 1091 | warnx("invalid rule: %d: %s ...", ln, buf); |
| 1092 | continue; |
| 1093 | } |
| 1094 | |
| 1095 | bridge_rule(argc, argv, ln); |
| 1096 | } |
| 1097 | fclose(f); |
| 1098 | } |
| 1099 | |
| 1100 | void |
| 1101 | bridge_badrule(int argc, char *argv[], int ln) |
| 1102 | { |
| 1103 | extern const char *__progname; |
| 1104 | int i; |
| 1105 | |
| 1106 | fprintf(stderr(&__sF[2]), "%s: invalid rule: ", __progname); |
| 1107 | if (ln != -1) |
| 1108 | fprintf(stderr(&__sF[2]), "%d: ", ln); |
| 1109 | for (i = 0; i < argc; i++) |
| 1110 | fprintf(stderr(&__sF[2]), "%s ", argv[i]); |
| 1111 | fprintf(stderr(&__sF[2]), "\n"); |
| 1112 | } |
| 1113 | |
| 1114 | #endif |