1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <stdio.h> 37 #include <string.h> 38 #include <errno.h> 39 #include <stdlib.h> 40 #include <unistd.h> 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 #include <sys/errno.h> 44 #include <sys/syscall.h> 45 #include <sys/uio.h> 46 #include <netinet/in.h> 47 #include <arpa/inet.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp.h> 50 51 #include <net/if_dl.h> 52 53 #ifndef IN6_IS_ADDR_V4MAPPED 54 #define IN6_IS_ADDR_V4MAPPED(a) \ 55 ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 56 (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 57 (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) 58 #endif 59 60 61 #define SCTP_CONTROL_VEC_SIZE_SND 8192 62 #define SCTP_CONTROL_VEC_SIZE_RCV 16384 63 #define SCTP_STACK_BUF_SIZE 2048 64 65 #ifdef SCTP_DEBUG_PRINT_ADDRESS 66 67 #define SCTP_STRING_BUF_SZ 256 68 69 static void 70 SCTPPrintAnAddress(struct sockaddr *a) 71 { 72 char stringToPrint[SCTP_STRING_BUF_SZ]; 73 u_short prt; 74 char *srcaddr, *txt; 75 76 if (a == NULL) { 77 printf("NULL\n"); 78 return; 79 } 80 if (a->sa_family == AF_INET) { 81 srcaddr = (char *)&((struct sockaddr_in *)a)->sin_addr; 82 txt = "IPv4 Address: "; 83 prt = ntohs(((struct sockaddr_in *)a)->sin_port); 84 } else if (a->sa_family == AF_INET6) { 85 srcaddr = (char *)&((struct sockaddr_in6 *)a)->sin6_addr; 86 prt = ntohs(((struct sockaddr_in6 *)a)->sin6_port); 87 txt = "IPv6 Address: "; 88 } else if (a->sa_family == AF_LINK) { 89 int i; 90 char tbuf[SCTP_STRING_BUF_SZ]; 91 u_char adbuf[SCTP_STRING_BUF_SZ]; 92 struct sockaddr_dl *dl; 93 94 dl = (struct sockaddr_dl *)a; 95 strncpy(tbuf, dl->sdl_data, dl->sdl_nlen); 96 tbuf[dl->sdl_nlen] = 0; 97 printf("Intf:%s (len:%d)Interface index:%d type:%x(%d) ll-len:%d ", 98 tbuf, 99 dl->sdl_nlen, 100 dl->sdl_index, 101 dl->sdl_type, 102 dl->sdl_type, 103 dl->sdl_alen 104 ); 105 memcpy(adbuf, LLADDR(dl), dl->sdl_alen); 106 for (i = 0; i < dl->sdl_alen; i++) { 107 printf("%2.2x", adbuf[i]); 108 if (i < (dl->sdl_alen - 1)) 109 printf(":"); 110 } 111 printf("\n"); 112 return; 113 } else { 114 return; 115 } 116 if (inet_ntop(a->sa_family, srcaddr, stringToPrint, sizeof(stringToPrint))) { 117 if (a->sa_family == AF_INET6) { 118 printf("%s%s:%d scope:%d\n", 119 txt, stringToPrint, prt, 120 ((struct sockaddr_in6 *)a)->sin6_scope_id); 121 } else { 122 printf("%s%s:%d\n", txt, stringToPrint, prt); 123 } 124 125 } else { 126 printf("%s unprintable?\n", txt); 127 } 128 } 129 130 #endif /* SCTP_DEBUG_PRINT_ADDRESS */ 131 132 static void 133 in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6) 134 { 135 bzero(sin, sizeof(*sin)); 136 sin->sin_len = sizeof(struct sockaddr_in); 137 sin->sin_family = AF_INET; 138 sin->sin_port = sin6->sin6_port; 139 sin->sin_addr.s_addr = sin6->sin6_addr.__u6_addr.__u6_addr32[3]; 140 } 141 142 int 143 sctp_getaddrlen(sa_family_t family) 144 { 145 int ret, sd; 146 socklen_t siz; 147 struct sctp_assoc_value av; 148 149 av.assoc_value = family; 150 siz = sizeof(av); 151 #if defined(AF_INET) 152 sd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); 153 #elif defined(AF_INET6) 154 sd = socket(AF_INET6, SOCK_SEQPACKET, IPPROTO_SCTP); 155 #else 156 sd = -1; 157 #endif 158 if (sd == -1) { 159 return (-1); 160 } 161 ret = getsockopt(sd, IPPROTO_SCTP, SCTP_GET_ADDR_LEN, &av, &siz); 162 close(sd); 163 if (ret == 0) { 164 return ((int)av.assoc_value); 165 } else { 166 return (-1); 167 } 168 } 169 170 int 171 sctp_connectx(int sd, const struct sockaddr *addrs, int addrcnt, 172 sctp_assoc_t * id) 173 { 174 char buf[SCTP_STACK_BUF_SIZE]; 175 int i, ret, cnt, *aa; 176 char *cpto; 177 const struct sockaddr *at; 178 sctp_assoc_t *p_id; 179 size_t len = sizeof(int); 180 181 /* validate the address count and list */ 182 if ((addrs == NULL) || (addrcnt <= 0)) { 183 errno = EINVAL; 184 return (-1); 185 } 186 at = addrs; 187 cnt = 0; 188 cpto = ((caddr_t)buf + sizeof(int)); 189 /* validate all the addresses and get the size */ 190 for (i = 0; i < addrcnt; i++) { 191 if (at->sa_family == AF_INET) { 192 if (at->sa_len != sizeof(struct sockaddr_in)) { 193 errno = EINVAL; 194 return (-1); 195 } 196 memcpy(cpto, at, at->sa_len); 197 cpto = ((caddr_t)cpto + at->sa_len); 198 len += at->sa_len; 199 } else if (at->sa_family == AF_INET6) { 200 if (at->sa_len != sizeof(struct sockaddr_in6)) { 201 errno = EINVAL; 202 return (-1); 203 } 204 if (IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)at)->sin6_addr)) { 205 len += sizeof(struct sockaddr_in); 206 in6_sin6_2_sin((struct sockaddr_in *)cpto, (struct sockaddr_in6 *)at); 207 cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in)); 208 len += sizeof(struct sockaddr_in); 209 } else { 210 memcpy(cpto, at, at->sa_len); 211 cpto = ((caddr_t)cpto + at->sa_len); 212 len += at->sa_len; 213 } 214 } else { 215 errno = EINVAL; 216 return (-1); 217 } 218 if (len > (sizeof(buf) - sizeof(int))) { 219 /* Never enough memory */ 220 errno = E2BIG; 221 return (-1); 222 } 223 at = (struct sockaddr *)((caddr_t)at + at->sa_len); 224 cnt++; 225 } 226 /* do we have any? */ 227 if (cnt == 0) { 228 errno = EINVAL; 229 return (-1); 230 } 231 aa = (int *)buf; 232 *aa = cnt; 233 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X, (void *)buf, 234 (socklen_t) len); 235 if ((ret == 0) && id) { 236 p_id = (sctp_assoc_t *) buf; 237 *id = *p_id; 238 } 239 return (ret); 240 } 241 242 int 243 sctp_bindx(int sd, struct sockaddr *addrs, int addrcnt, int flags) 244 { 245 struct sctp_getaddresses *gaddrs; 246 struct sockaddr *sa; 247 struct sockaddr_in *sin; 248 struct sockaddr_in6 *sin6; 249 int i; 250 size_t argsz; 251 uint16_t sport = 0; 252 253 /* validate the flags */ 254 if ((flags != SCTP_BINDX_ADD_ADDR) && 255 (flags != SCTP_BINDX_REM_ADDR)) { 256 errno = EFAULT; 257 return (-1); 258 } 259 /* validate the address count and list */ 260 if ((addrcnt <= 0) || (addrs == NULL)) { 261 errno = EINVAL; 262 return (-1); 263 } 264 argsz = (sizeof(struct sockaddr_storage) + 265 sizeof(struct sctp_getaddresses)); 266 gaddrs = (struct sctp_getaddresses *)calloc(1, argsz); 267 if (gaddrs == NULL) { 268 errno = ENOMEM; 269 return (-1); 270 } 271 /* First pre-screen the addresses */ 272 sa = addrs; 273 for (i = 0; i < addrcnt; i++) { 274 if (sa->sa_family == AF_INET) { 275 if (sa->sa_len != sizeof(struct sockaddr_in)) 276 goto out_error; 277 sin = (struct sockaddr_in *)sa; 278 if (sin->sin_port) { 279 /* non-zero port, check or save */ 280 if (sport) { 281 /* Check against our port */ 282 if (sport != sin->sin_port) { 283 goto out_error; 284 } 285 } else { 286 /* save off the port */ 287 sport = sin->sin_port; 288 } 289 } 290 } else if (sa->sa_family == AF_INET6) { 291 if (sa->sa_len != sizeof(struct sockaddr_in6)) 292 goto out_error; 293 sin6 = (struct sockaddr_in6 *)sa; 294 if (sin6->sin6_port) { 295 /* non-zero port, check or save */ 296 if (sport) { 297 /* Check against our port */ 298 if (sport != sin6->sin6_port) { 299 goto out_error; 300 } 301 } else { 302 /* save off the port */ 303 sport = sin6->sin6_port; 304 } 305 } 306 } else { 307 /* invalid address family specified */ 308 goto out_error; 309 } 310 311 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); 312 } 313 sa = addrs; 314 /* 315 * Now if there was a port mentioned, assure that the first address 316 * has that port to make sure it fails or succeeds correctly. 317 */ 318 if (sport) { 319 sin = (struct sockaddr_in *)sa; 320 sin->sin_port = sport; 321 } 322 for (i = 0; i < addrcnt; i++) { 323 if (sa->sa_family == AF_INET) { 324 if (sa->sa_len != sizeof(struct sockaddr_in)) 325 goto out_error; 326 } else if (sa->sa_family == AF_INET6) { 327 if (sa->sa_len != sizeof(struct sockaddr_in6)) 328 goto out_error; 329 } else { 330 /* invalid address family specified */ 331 out_error: 332 free(gaddrs); 333 errno = EINVAL; 334 return (-1); 335 } 336 memset(gaddrs, 0, argsz); 337 gaddrs->sget_assoc_id = 0; 338 memcpy(gaddrs->addr, sa, sa->sa_len); 339 if (setsockopt(sd, IPPROTO_SCTP, flags, gaddrs, 340 (socklen_t) argsz) != 0) { 341 free(gaddrs); 342 return (-1); 343 } 344 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); 345 } 346 free(gaddrs); 347 return (0); 348 } 349 350 351 int 352 sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size) 353 { 354 if (arg == NULL) { 355 errno = EINVAL; 356 return (-1); 357 } 358 switch (opt) { 359 case SCTP_RTOINFO: 360 ((struct sctp_rtoinfo *)arg)->srto_assoc_id = id; 361 break; 362 case SCTP_ASSOCINFO: 363 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id; 364 break; 365 case SCTP_DEFAULT_SEND_PARAM: 366 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id; 367 break; 368 case SCTP_PRIMARY_ADDR: 369 ((struct sctp_setprim *)arg)->ssp_assoc_id = id; 370 break; 371 case SCTP_PEER_ADDR_PARAMS: 372 ((struct sctp_paddrparams *)arg)->spp_assoc_id = id; 373 break; 374 case SCTP_MAXSEG: 375 ((struct sctp_assoc_value *)arg)->assoc_id = id; 376 break; 377 case SCTP_AUTH_KEY: 378 ((struct sctp_authkey *)arg)->sca_assoc_id = id; 379 break; 380 case SCTP_AUTH_ACTIVE_KEY: 381 ((struct sctp_authkeyid *)arg)->scact_assoc_id = id; 382 break; 383 case SCTP_DELAYED_SACK: 384 ((struct sctp_sack_info *)arg)->sack_assoc_id = id; 385 break; 386 case SCTP_CONTEXT: 387 ((struct sctp_assoc_value *)arg)->assoc_id = id; 388 break; 389 case SCTP_STATUS: 390 ((struct sctp_status *)arg)->sstat_assoc_id = id; 391 break; 392 case SCTP_GET_PEER_ADDR_INFO: 393 ((struct sctp_paddrinfo *)arg)->spinfo_assoc_id = id; 394 break; 395 case SCTP_PEER_AUTH_CHUNKS: 396 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id; 397 break; 398 case SCTP_LOCAL_AUTH_CHUNKS: 399 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id; 400 break; 401 case SCTP_TIMEOUTS: 402 ((struct sctp_timeouts *)arg)->stimo_assoc_id = id; 403 break; 404 case SCTP_EVENT: 405 ((struct sctp_event *)arg)->se_assoc_id = id; 406 break; 407 case SCTP_DEFAULT_SNDINFO: 408 ((struct sctp_sndinfo *)arg)->snd_assoc_id = id; 409 break; 410 case SCTP_DEFAULT_PRINFO: 411 ((struct sctp_default_prinfo *)arg)->pr_assoc_id = id; 412 break; 413 case SCTP_PEER_ADDR_THLDS: 414 ((struct sctp_paddrthlds *)arg)->spt_assoc_id = id; 415 break; 416 case SCTP_REMOTE_UDP_ENCAPS_PORT: 417 ((struct sctp_udpencaps *)arg)->sue_assoc_id = id; 418 break; 419 case SCTP_MAX_BURST: 420 ((struct sctp_assoc_value *)arg)->assoc_id = id; 421 break; 422 default: 423 break; 424 } 425 return (getsockopt(sd, IPPROTO_SCTP, opt, arg, size)); 426 } 427 428 int 429 sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) 430 { 431 struct sctp_getaddresses *addrs; 432 struct sockaddr *sa; 433 sctp_assoc_t asoc; 434 caddr_t lim; 435 socklen_t opt_len; 436 int cnt; 437 438 if (raddrs == NULL) { 439 errno = EFAULT; 440 return (-1); 441 } 442 asoc = id; 443 opt_len = (socklen_t) sizeof(sctp_assoc_t); 444 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE, 445 &asoc, &opt_len) != 0) { 446 return (-1); 447 } 448 /* size required is returned in 'asoc' */ 449 opt_len = (socklen_t) ((size_t)asoc + sizeof(struct sctp_getaddresses)); 450 addrs = calloc(1, (size_t)opt_len); 451 if (addrs == NULL) { 452 return (-1); 453 } 454 addrs->sget_assoc_id = id; 455 /* Now lets get the array of addresses */ 456 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES, 457 addrs, &opt_len) != 0) { 458 free(addrs); 459 return (-1); 460 } 461 *raddrs = (struct sockaddr *)&addrs->addr[0]; 462 cnt = 0; 463 sa = (struct sockaddr *)&addrs->addr[0]; 464 lim = (caddr_t)addrs + opt_len; 465 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) { 466 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); 467 cnt++; 468 } 469 return (cnt); 470 } 471 472 void 473 sctp_freepaddrs(struct sockaddr *addrs) 474 { 475 /* Take away the hidden association id */ 476 void *fr_addr; 477 478 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t)); 479 /* Now free it */ 480 free(fr_addr); 481 } 482 483 int 484 sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) 485 { 486 struct sctp_getaddresses *addrs; 487 caddr_t lim; 488 struct sockaddr *sa; 489 size_t size_of_addresses; 490 socklen_t opt_len; 491 int cnt; 492 493 if (raddrs == NULL) { 494 errno = EFAULT; 495 return (-1); 496 } 497 size_of_addresses = 0; 498 opt_len = (socklen_t) sizeof(int); 499 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE, 500 &size_of_addresses, &opt_len) != 0) { 501 errno = ENOMEM; 502 return (-1); 503 } 504 if (size_of_addresses == 0) { 505 errno = ENOTCONN; 506 return (-1); 507 } 508 opt_len = (socklen_t) (size_of_addresses + 509 sizeof(struct sockaddr_storage) + 510 sizeof(struct sctp_getaddresses)); 511 addrs = calloc(1, (size_t)opt_len); 512 if (addrs == NULL) { 513 errno = ENOMEM; 514 return (-1); 515 } 516 addrs->sget_assoc_id = id; 517 /* Now lets get the array of addresses */ 518 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs, 519 &opt_len) != 0) { 520 free(addrs); 521 errno = ENOMEM; 522 return (-1); 523 } 524 *raddrs = (struct sockaddr *)&addrs->addr[0]; 525 cnt = 0; 526 sa = (struct sockaddr *)&addrs->addr[0]; 527 lim = (caddr_t)addrs + opt_len; 528 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) { 529 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); 530 cnt++; 531 } 532 return (cnt); 533 } 534 535 void 536 sctp_freeladdrs(struct sockaddr *addrs) 537 { 538 /* Take away the hidden association id */ 539 void *fr_addr; 540 541 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t)); 542 /* Now free it */ 543 free(fr_addr); 544 } 545 546 547 ssize_t 548 sctp_sendmsg(int s, 549 const void *data, 550 size_t len, 551 const struct sockaddr *to, 552 socklen_t tolen, 553 uint32_t ppid, 554 uint32_t flags, 555 uint16_t stream_no, 556 uint32_t timetolive, 557 uint32_t context) 558 { 559 #ifdef SYS_sctp_generic_sendmsg 560 struct sctp_sndrcvinfo sinfo; 561 562 memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo)); 563 sinfo.sinfo_ppid = ppid; 564 sinfo.sinfo_flags = flags; 565 sinfo.sinfo_stream = stream_no; 566 sinfo.sinfo_timetolive = timetolive; 567 sinfo.sinfo_context = context; 568 sinfo.sinfo_assoc_id = 0; 569 return (syscall(SYS_sctp_generic_sendmsg, s, 570 data, len, to, tolen, &sinfo, 0)); 571 #else 572 ssize_t sz; 573 struct msghdr msg; 574 struct sctp_sndrcvinfo *s_info; 575 struct iovec iov; 576 char controlVector[SCTP_CONTROL_VEC_SIZE_RCV]; 577 struct cmsghdr *cmsg; 578 struct sockaddr *who = NULL; 579 union { 580 struct sockaddr_in in; 581 struct sockaddr_in6 in6; 582 } addr; 583 584 if ((tolen > 0) && 585 ((to == NULL) || (tolen < sizeof(struct sockaddr)))) { 586 errno = EINVAL; 587 return -1; 588 } 589 if (to && (tolen > 0)) { 590 if (to->sa_family == AF_INET) { 591 if (tolen != sizeof(struct sockaddr_in)) { 592 errno = EINVAL; 593 return -1; 594 } 595 if ((to->sa_len > 0) && 596 (to->sa_len != sizeof(struct sockaddr_in))) { 597 errno = EINVAL; 598 return -1; 599 } 600 memcpy(&addr, to, sizeof(struct sockaddr_in)); 601 addr.in.sin_len = sizeof(struct sockaddr_in); 602 } else if (to->sa_family == AF_INET6) { 603 if (tolen != sizeof(struct sockaddr_in6)) { 604 errno = EINVAL; 605 return -1; 606 } 607 if ((to->sa_len > 0) && 608 (to->sa_len != sizeof(struct sockaddr_in6))) { 609 errno = EINVAL; 610 return -1; 611 } 612 memcpy(&addr, to, sizeof(struct sockaddr_in6)); 613 addr.in6.sin6_len = sizeof(struct sockaddr_in6); 614 } else { 615 errno = EAFNOSUPPORT; 616 return -1; 617 } 618 who = (struct sockaddr *)&addr; 619 } 620 iov.iov_base = (char *)data; 621 iov.iov_len = len; 622 623 if (who) { 624 msg.msg_name = (caddr_t)who; 625 msg.msg_namelen = who->sa_len; 626 } else { 627 msg.msg_name = (caddr_t)NULL; 628 msg.msg_namelen = 0; 629 } 630 msg.msg_iov = &iov; 631 msg.msg_iovlen = 1; 632 msg.msg_control = (caddr_t)controlVector; 633 634 cmsg = (struct cmsghdr *)controlVector; 635 636 cmsg->cmsg_level = IPPROTO_SCTP; 637 cmsg->cmsg_type = SCTP_SNDRCV; 638 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); 639 s_info = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); 640 641 s_info->sinfo_stream = stream_no; 642 s_info->sinfo_ssn = 0; 643 s_info->sinfo_flags = flags; 644 s_info->sinfo_ppid = ppid; 645 s_info->sinfo_context = context; 646 s_info->sinfo_assoc_id = 0; 647 s_info->sinfo_timetolive = timetolive; 648 errno = 0; 649 msg.msg_controllen = cmsg->cmsg_len; 650 sz = sendmsg(s, &msg, 0); 651 return (sz); 652 #endif 653 } 654 655 656 sctp_assoc_t 657 sctp_getassocid(int sd, struct sockaddr *sa) 658 { 659 struct sctp_paddrinfo sp; 660 socklen_t siz; 661 662 /* First get the assoc id */ 663 siz = sizeof(sp); 664 memset(&sp, 0, sizeof(sp)); 665 memcpy((caddr_t)&sp.spinfo_address, sa, sa->sa_len); 666 errno = 0; 667 if (getsockopt(sd, IPPROTO_SCTP, 668 SCTP_GET_PEER_ADDR_INFO, &sp, &siz) != 0) { 669 return ((sctp_assoc_t) 0); 670 } 671 /* We depend on the fact that 0 can never be returned */ 672 return (sp.spinfo_assoc_id); 673 } 674 675 ssize_t 676 sctp_send(int sd, const void *data, size_t len, 677 const struct sctp_sndrcvinfo *sinfo, 678 int flags) 679 { 680 681 #ifdef SYS_sctp_generic_sendmsg 682 struct sockaddr *to = NULL; 683 684 return (syscall(SYS_sctp_generic_sendmsg, sd, 685 data, len, to, 0, sinfo, flags)); 686 #else 687 ssize_t sz; 688 struct msghdr msg; 689 struct iovec iov; 690 struct sctp_sndrcvinfo *s_info; 691 char controlVector[SCTP_CONTROL_VEC_SIZE_SND]; 692 struct cmsghdr *cmsg; 693 694 if (sinfo == NULL) { 695 errno = EINVAL; 696 return (-1); 697 } 698 iov.iov_base = (char *)data; 699 iov.iov_len = len; 700 701 msg.msg_name = 0; 702 msg.msg_namelen = 0; 703 msg.msg_iov = &iov; 704 msg.msg_iovlen = 1; 705 msg.msg_control = (caddr_t)controlVector; 706 707 cmsg = (struct cmsghdr *)controlVector; 708 709 cmsg->cmsg_level = IPPROTO_SCTP; 710 cmsg->cmsg_type = SCTP_SNDRCV; 711 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); 712 s_info = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); 713 /* copy in the data */ 714 *s_info = *sinfo; 715 errno = 0; 716 msg.msg_controllen = cmsg->cmsg_len; 717 sz = sendmsg(sd, &msg, flags); 718 return (sz); 719 #endif 720 } 721 722 723 724 ssize_t 725 sctp_sendx(int sd, const void *msg, size_t msg_len, 726 struct sockaddr *addrs, int addrcnt, 727 struct sctp_sndrcvinfo *sinfo, 728 int flags) 729 { 730 struct sctp_sndrcvinfo __sinfo; 731 ssize_t ret; 732 int i, cnt, *aa, saved_errno; 733 char *buf; 734 int no_end_cx = 0; 735 size_t len, add_len; 736 struct sockaddr *at; 737 738 if (addrs == NULL) { 739 errno = EINVAL; 740 return (-1); 741 } 742 #ifdef SYS_sctp_generic_sendmsg 743 if (addrcnt == 1) { 744 socklen_t l; 745 746 /* 747 * Quick way, we don't need to do a connectx so lets use the 748 * syscall directly. 749 */ 750 l = addrs->sa_len; 751 return (syscall(SYS_sctp_generic_sendmsg, sd, 752 msg, msg_len, addrs, l, sinfo, flags)); 753 } 754 #endif 755 756 len = sizeof(int); 757 at = addrs; 758 cnt = 0; 759 /* validate all the addresses and get the size */ 760 for (i = 0; i < addrcnt; i++) { 761 if (at->sa_family == AF_INET) { 762 add_len = sizeof(struct sockaddr_in); 763 } else if (at->sa_family == AF_INET6) { 764 add_len = sizeof(struct sockaddr_in6); 765 } else { 766 errno = EINVAL; 767 return (-1); 768 } 769 len += add_len; 770 at = (struct sockaddr *)((caddr_t)at + add_len); 771 cnt++; 772 } 773 /* do we have any? */ 774 if (cnt == 0) { 775 errno = EINVAL; 776 return (-1); 777 } 778 buf = malloc(len); 779 if (buf == NULL) { 780 return (-1); 781 } 782 aa = (int *)buf; 783 *aa = cnt; 784 aa++; 785 memcpy((caddr_t)aa, addrs, (size_t)(len - sizeof(int))); 786 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_DELAYED, (void *)buf, 787 (socklen_t) len); 788 789 free(buf); 790 if (ret != 0) { 791 if (errno == EALREADY) { 792 no_end_cx = 1; 793 goto continue_send; 794 } 795 return (ret); 796 } 797 continue_send: 798 if (sinfo == NULL) { 799 sinfo = &__sinfo; 800 memset(&__sinfo, 0, sizeof(__sinfo)); 801 } 802 sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs); 803 if (sinfo->sinfo_assoc_id == 0) { 804 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs, 805 (socklen_t) addrs->sa_len); 806 errno = ENOENT; 807 return (-1); 808 } 809 ret = sctp_send(sd, msg, msg_len, sinfo, flags); 810 saved_errno = errno; 811 if (no_end_cx == 0) 812 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs, 813 (socklen_t) addrs->sa_len); 814 815 errno = saved_errno; 816 return (ret); 817 } 818 819 ssize_t 820 sctp_sendmsgx(int sd, 821 const void *msg, 822 size_t len, 823 struct sockaddr *addrs, 824 int addrcnt, 825 uint32_t ppid, 826 uint32_t flags, 827 uint16_t stream_no, 828 uint32_t timetolive, 829 uint32_t context) 830 { 831 struct sctp_sndrcvinfo sinfo; 832 833 memset((void *)&sinfo, 0, sizeof(struct sctp_sndrcvinfo)); 834 sinfo.sinfo_ppid = ppid; 835 sinfo.sinfo_flags = flags; 836 sinfo.sinfo_ssn = stream_no; 837 sinfo.sinfo_timetolive = timetolive; 838 sinfo.sinfo_context = context; 839 return sctp_sendx(sd, msg, len, addrs, addrcnt, &sinfo, 0); 840 } 841 842 ssize_t 843 sctp_recvmsg(int s, 844 void *dbuf, 845 size_t len, 846 struct sockaddr *from, 847 socklen_t * fromlen, 848 struct sctp_sndrcvinfo *sinfo, 849 int *msg_flags) 850 { 851 #ifdef SYS_sctp_generic_recvmsg 852 struct iovec iov; 853 854 iov.iov_base = dbuf; 855 iov.iov_len = len; 856 return (syscall(SYS_sctp_generic_recvmsg, s, 857 &iov, 1, from, fromlen, sinfo, msg_flags)); 858 #else 859 struct sctp_sndrcvinfo *s_info; 860 ssize_t sz; 861 struct msghdr msg; 862 struct iovec iov; 863 char controlVector[SCTP_CONTROL_VEC_SIZE_RCV]; 864 struct cmsghdr *cmsg; 865 866 if (msg_flags == NULL) { 867 errno = EINVAL; 868 return (-1); 869 } 870 msg.msg_flags = 0; 871 iov.iov_base = dbuf; 872 iov.iov_len = len; 873 msg.msg_name = (caddr_t)from; 874 if (fromlen == NULL) 875 msg.msg_namelen = 0; 876 else 877 msg.msg_namelen = *fromlen; 878 msg.msg_iov = &iov; 879 msg.msg_iovlen = 1; 880 msg.msg_control = (caddr_t)controlVector; 881 msg.msg_controllen = sizeof(controlVector); 882 errno = 0; 883 sz = recvmsg(s, &msg, *msg_flags); 884 *msg_flags = msg.msg_flags; 885 if (sz <= 0) { 886 return (sz); 887 } 888 s_info = NULL; 889 if (sinfo) { 890 sinfo->sinfo_assoc_id = 0; 891 } 892 if ((msg.msg_controllen) && sinfo) { 893 /* 894 * parse through and see if we find the sctp_sndrcvinfo (if 895 * the user wants it). 896 */ 897 cmsg = (struct cmsghdr *)controlVector; 898 while (cmsg) { 899 if ((cmsg->cmsg_len == 0) || (cmsg->cmsg_len > msg.msg_controllen)) { 900 break; 901 } 902 if (cmsg->cmsg_level == IPPROTO_SCTP) { 903 if (cmsg->cmsg_type == SCTP_SNDRCV) { 904 /* Got it */ 905 s_info = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); 906 /* Copy it to the user */ 907 if (sinfo) 908 *sinfo = *s_info; 909 break; 910 } else if (cmsg->cmsg_type == SCTP_EXTRCV) { 911 /* 912 * Got it, presumably the user has 913 * asked for this extra info, so the 914 * structure holds more room :-D 915 */ 916 s_info = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); 917 /* Copy it to the user */ 918 if (sinfo) { 919 memcpy(sinfo, s_info, sizeof(struct sctp_extrcvinfo)); 920 } 921 break; 922 923 } 924 } 925 cmsg = CMSG_NXTHDR(&msg, cmsg); 926 } 927 } 928 return (sz); 929 #endif 930 } 931 932 ssize_t 933 sctp_recvv(int sd, 934 const struct iovec *iov, 935 int iovlen, 936 struct sockaddr *from, 937 socklen_t * fromlen, 938 void *info, 939 socklen_t * infolen, 940 unsigned int *infotype, 941 int *flags) 942 { 943 char ctlbuf[SCTP_CONTROL_VEC_SIZE_RCV]; 944 struct msghdr msg; 945 struct cmsghdr *cmsg; 946 ssize_t n; 947 struct sctp_rcvinfo *rcvinfo; 948 struct sctp_nxtinfo *nxtinfo; 949 950 if (((info != NULL) && (infolen == NULL)) | 951 ((info == NULL) && (infolen != NULL) && (*infolen != 0)) || 952 ((info != NULL) && (infotype == NULL))) { 953 errno = EINVAL; 954 return (-1); 955 } 956 if (infotype) { 957 *infotype = SCTP_RECVV_NOINFO; 958 } 959 msg.msg_name = from; 960 if (fromlen == NULL) { 961 msg.msg_namelen = 0; 962 } else { 963 msg.msg_namelen = *fromlen; 964 } 965 msg.msg_iov = (struct iovec *)iov; 966 msg.msg_iovlen = iovlen; 967 msg.msg_control = ctlbuf; 968 msg.msg_controllen = sizeof(ctlbuf); 969 errno = 0; 970 n = recvmsg(sd, &msg, *flags); 971 *flags = msg.msg_flags; 972 if ((n > 0) && 973 (msg.msg_controllen > 0) && 974 (infotype != NULL) && 975 (infolen != NULL) && 976 (*infolen > 0)) { 977 rcvinfo = NULL; 978 nxtinfo = NULL; 979 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { 980 if (cmsg->cmsg_level != IPPROTO_SCTP) { 981 continue; 982 } 983 if (cmsg->cmsg_type == SCTP_RCVINFO) { 984 rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg); 985 } 986 if (cmsg->cmsg_type == SCTP_NXTINFO) { 987 nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg); 988 } 989 if (rcvinfo && nxtinfo) { 990 break; 991 } 992 } 993 if (rcvinfo) { 994 if (nxtinfo) { 995 if (*infolen >= sizeof(struct sctp_recvv_rn)) { 996 struct sctp_recvv_rn *rn_info; 997 998 rn_info = (struct sctp_recvv_rn *)info; 999 rn_info->recvv_rcvinfo = *rcvinfo; 1000 rn_info->recvv_nxtinfo = *nxtinfo; 1001 *infolen = (socklen_t) sizeof(struct sctp_recvv_rn); 1002 *infotype = SCTP_RECVV_RN; 1003 } 1004 } else { 1005 if (*infolen >= sizeof(struct sctp_rcvinfo)) { 1006 memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo)); 1007 *infolen = (socklen_t) sizeof(struct sctp_rcvinfo); 1008 *infotype = SCTP_RECVV_RCVINFO; 1009 } 1010 } 1011 } else if (nxtinfo) { 1012 if (*infolen >= sizeof(struct sctp_rcvinfo)) { 1013 memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo)); 1014 *infolen = (socklen_t) sizeof(struct sctp_nxtinfo); 1015 *infotype = SCTP_RECVV_NXTINFO; 1016 } 1017 } 1018 } 1019 return (n); 1020 } 1021 1022 ssize_t 1023 sctp_sendv(int sd, 1024 const struct iovec *iov, int iovcnt, 1025 struct sockaddr *addrs, int addrcnt, 1026 void *info, socklen_t infolen, unsigned int infotype, 1027 int flags) 1028 { 1029 ssize_t ret; 1030 int i; 1031 socklen_t addr_len; 1032 struct msghdr msg; 1033 in_port_t port; 1034 struct sctp_sendv_spa *spa_info; 1035 struct cmsghdr *cmsg; 1036 char *cmsgbuf; 1037 struct sockaddr *addr; 1038 struct sockaddr_in *addr_in; 1039 struct sockaddr_in6 *addr_in6; 1040 1041 if ((addrcnt < 0) || 1042 (iovcnt < 0) || 1043 ((addrs == NULL) && (addrcnt > 0)) || 1044 ((addrs != NULL) && (addrcnt == 0)) || 1045 ((iov == NULL) && (iovcnt > 0)) || 1046 ((iov != NULL) && (iovcnt == 0))) { 1047 errno = EINVAL; 1048 return (-1); 1049 } 1050 cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) + 1051 CMSG_SPACE(sizeof(struct sctp_prinfo)) + 1052 CMSG_SPACE(sizeof(struct sctp_authinfo)) + 1053 (size_t)addrcnt * CMSG_SPACE(sizeof(struct in6_addr))); 1054 if (cmsgbuf == NULL) { 1055 errno = ENOBUFS; 1056 return (-1); 1057 } 1058 msg.msg_control = cmsgbuf; 1059 msg.msg_controllen = 0; 1060 cmsg = (struct cmsghdr *)cmsgbuf; 1061 switch (infotype) { 1062 case SCTP_SENDV_NOINFO: 1063 if ((infolen != 0) || (info != NULL)) { 1064 free(cmsgbuf); 1065 errno = EINVAL; 1066 return (-1); 1067 } 1068 break; 1069 case SCTP_SENDV_SNDINFO: 1070 if ((info == NULL) || (infolen < sizeof(struct sctp_sndinfo))) { 1071 free(cmsgbuf); 1072 errno = EINVAL; 1073 return (-1); 1074 } 1075 cmsg->cmsg_level = IPPROTO_SCTP; 1076 cmsg->cmsg_type = SCTP_SNDINFO; 1077 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo)); 1078 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_sndinfo)); 1079 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo)); 1080 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo))); 1081 break; 1082 case SCTP_SENDV_PRINFO: 1083 if ((info == NULL) || (infolen < sizeof(struct sctp_prinfo))) { 1084 free(cmsgbuf); 1085 errno = EINVAL; 1086 return (-1); 1087 } 1088 cmsg->cmsg_level = IPPROTO_SCTP; 1089 cmsg->cmsg_type = SCTP_PRINFO; 1090 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo)); 1091 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_prinfo)); 1092 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo)); 1093 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo))); 1094 break; 1095 case SCTP_SENDV_AUTHINFO: 1096 if ((info == NULL) || (infolen < sizeof(struct sctp_authinfo))) { 1097 free(cmsgbuf); 1098 errno = EINVAL; 1099 return (-1); 1100 } 1101 cmsg->cmsg_level = IPPROTO_SCTP; 1102 cmsg->cmsg_type = SCTP_AUTHINFO; 1103 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo)); 1104 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_authinfo)); 1105 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo)); 1106 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo))); 1107 break; 1108 case SCTP_SENDV_SPA: 1109 if ((info == NULL) || (infolen < sizeof(struct sctp_sendv_spa))) { 1110 free(cmsgbuf); 1111 errno = EINVAL; 1112 return (-1); 1113 } 1114 spa_info = (struct sctp_sendv_spa *)info; 1115 if (spa_info->sendv_flags & SCTP_SEND_SNDINFO_VALID) { 1116 cmsg->cmsg_level = IPPROTO_SCTP; 1117 cmsg->cmsg_type = SCTP_SNDINFO; 1118 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo)); 1119 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_sndinfo, sizeof(struct sctp_sndinfo)); 1120 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo)); 1121 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo))); 1122 } 1123 if (spa_info->sendv_flags & SCTP_SEND_PRINFO_VALID) { 1124 cmsg->cmsg_level = IPPROTO_SCTP; 1125 cmsg->cmsg_type = SCTP_PRINFO; 1126 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo)); 1127 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_prinfo, sizeof(struct sctp_prinfo)); 1128 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo)); 1129 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo))); 1130 } 1131 if (spa_info->sendv_flags & SCTP_SEND_AUTHINFO_VALID) { 1132 cmsg->cmsg_level = IPPROTO_SCTP; 1133 cmsg->cmsg_type = SCTP_AUTHINFO; 1134 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo)); 1135 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_authinfo, sizeof(struct sctp_authinfo)); 1136 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo)); 1137 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo))); 1138 } 1139 break; 1140 default: 1141 free(cmsgbuf); 1142 errno = EINVAL; 1143 return (-1); 1144 } 1145 addr = addrs; 1146 msg.msg_name = NULL; 1147 msg.msg_namelen = 0; 1148 1149 for (i = 0; i < addrcnt; i++) { 1150 switch (addr->sa_family) { 1151 case AF_INET: 1152 addr_len = (socklen_t) sizeof(struct sockaddr_in); 1153 addr_in = (struct sockaddr_in *)addr; 1154 if (addr_in->sin_len != addr_len) { 1155 free(cmsgbuf); 1156 errno = EINVAL; 1157 return (-1); 1158 } 1159 if (i == 0) { 1160 port = addr_in->sin_port; 1161 } else { 1162 if (port == addr_in->sin_port) { 1163 cmsg->cmsg_level = IPPROTO_SCTP; 1164 cmsg->cmsg_type = SCTP_DSTADDRV4; 1165 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr)); 1166 memcpy(CMSG_DATA(cmsg), &addr_in->sin_addr, sizeof(struct in_addr)); 1167 msg.msg_controllen += CMSG_SPACE(sizeof(struct in_addr)); 1168 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in_addr))); 1169 } else { 1170 free(cmsgbuf); 1171 errno = EINVAL; 1172 return (-1); 1173 } 1174 } 1175 break; 1176 case AF_INET6: 1177 addr_len = (socklen_t) sizeof(struct sockaddr_in6); 1178 addr_in6 = (struct sockaddr_in6 *)addr; 1179 if (addr_in6->sin6_len != addr_len) { 1180 free(cmsgbuf); 1181 errno = EINVAL; 1182 return (-1); 1183 } 1184 if (i == 0) { 1185 port = addr_in6->sin6_port; 1186 } else { 1187 if (port == addr_in6->sin6_port) { 1188 cmsg->cmsg_level = IPPROTO_SCTP; 1189 cmsg->cmsg_type = SCTP_DSTADDRV6; 1190 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_addr)); 1191 memcpy(CMSG_DATA(cmsg), &addr_in6->sin6_addr, sizeof(struct in6_addr)); 1192 msg.msg_controllen += CMSG_SPACE(sizeof(struct in6_addr)); 1193 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in6_addr))); 1194 } else { 1195 free(cmsgbuf); 1196 errno = EINVAL; 1197 return (-1); 1198 } 1199 } 1200 break; 1201 default: 1202 free(cmsgbuf); 1203 errno = EINVAL; 1204 return (-1); 1205 } 1206 if (i == 0) { 1207 msg.msg_name = addr; 1208 msg.msg_namelen = addr_len; 1209 } 1210 addr = (struct sockaddr *)((caddr_t)addr + addr_len); 1211 } 1212 if (msg.msg_controllen == 0) { 1213 msg.msg_control = NULL; 1214 } 1215 msg.msg_iov = (struct iovec *)iov; 1216 msg.msg_iovlen = iovcnt; 1217 msg.msg_flags = 0; 1218 ret = sendmsg(sd, &msg, flags); 1219 free(cmsgbuf); 1220 return (ret); 1221 } 1222 1223 1224 #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT) 1225 1226 int 1227 sctp_peeloff(int sd, sctp_assoc_t assoc_id) 1228 { 1229 /* NOT supported, return invalid sd */ 1230 errno = ENOTSUP; 1231 return (-1); 1232 } 1233 1234 #endif 1235 #if defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT) 1236 int 1237 sctp_peeloff(int sd, sctp_assoc_t assoc_id) 1238 { 1239 return (syscall(SYS_sctp_peeloff, sd, assoc_id)); 1240 } 1241 1242 #endif 1243 1244 1245 #undef SCTP_CONTROL_VEC_SIZE_SND 1246 #undef SCTP_CONTROL_VEC_SIZE_RCV 1247 #undef SCTP_STACK_BUF_SIZE 1248