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.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
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.
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.
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.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
41 #include <sys/types.h>
42 #include <sys/socket.h>
43 #include <sys/errno.h>
44 #include <sys/syscall.h>
46 #include <netinet/in.h>
47 #include <arpa/inet.h>
48 #include <netinet/sctp_uio.h>
49 #include <netinet/sctp.h>
51 #ifndef IN6_IS_ADDR_V4MAPPED
52 #define IN6_IS_ADDR_V4MAPPED(a) \
53 ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
54 (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
55 (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
58 #define SCTP_CONTROL_VEC_SIZE_RCV 16384
62 in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6)
64 bzero(sin, sizeof(*sin));
65 sin->sin_len = sizeof(struct sockaddr_in);
66 sin->sin_family = AF_INET;
67 sin->sin_port = sin6->sin6_port;
68 sin->sin_addr.s_addr = sin6->sin6_addr.__u6_addr.__u6_addr32[3];
72 sctp_getaddrlen(sa_family_t family)
76 struct sctp_assoc_value av;
78 av.assoc_value = family;
81 sd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
82 #elif defined(AF_INET6)
83 sd = socket(AF_INET6, SOCK_SEQPACKET, IPPROTO_SCTP);
90 ret = getsockopt(sd, IPPROTO_SCTP, SCTP_GET_ADDR_LEN, &av, &siz);
93 return ((int)av.assoc_value);
100 sctp_connectx(int sd, const struct sockaddr *addrs, int addrcnt,
104 int i, ret, cnt, *aa;
106 const struct sockaddr *at;
107 size_t len = sizeof(int);
109 /* validate the address count and list */
110 if ((addrs == NULL) || (addrcnt <= 0)) {
114 if ((buf = malloc(sizeof(int) + (size_t)addrcnt * sizeof(struct sockaddr_in6))) == NULL) {
120 cpto = buf + sizeof(int);
121 /* validate all the addresses and get the size */
122 for (i = 0; i < addrcnt; i++) {
123 switch (at->sa_family) {
125 if (at->sa_len != sizeof(struct sockaddr_in)) {
130 memcpy(cpto, at, sizeof(struct sockaddr_in));
131 cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in));
132 len += sizeof(struct sockaddr_in);
135 if (at->sa_len != sizeof(struct sockaddr_in6)) {
140 if (IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)at)->sin6_addr)) {
141 in6_sin6_2_sin((struct sockaddr_in *)cpto, (struct sockaddr_in6 *)at);
142 cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in));
143 len += sizeof(struct sockaddr_in);
145 memcpy(cpto, at, sizeof(struct sockaddr_in6));
146 cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in6));
147 len += sizeof(struct sockaddr_in6);
155 at = (struct sockaddr *)((caddr_t)at + at->sa_len);
159 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X, (void *)buf,
161 if ((ret == 0) && (id != NULL)) {
162 *id = *(sctp_assoc_t *) buf;
168 sctp_bindx(int sd, struct sockaddr *addrs, int addrcnt, int flags)
170 struct sctp_getaddresses *gaddrs;
172 struct sockaddr_in *sin;
173 struct sockaddr_in6 *sin6;
178 /* validate the flags */
179 if ((flags != SCTP_BINDX_ADD_ADDR) &&
180 (flags != SCTP_BINDX_REM_ADDR)) {
184 /* validate the address count and list */
185 if ((addrcnt <= 0) || (addrs == NULL)) {
189 /* First pre-screen the addresses */
191 for (i = 0; i < addrcnt; i++) {
192 switch (sa->sa_family) {
194 if (sa->sa_len != sizeof(struct sockaddr_in)) {
198 sin = (struct sockaddr_in *)sa;
200 /* non-zero port, check or save */
202 /* Check against our port */
203 if (sport != sin->sin_port) {
208 /* save off the port */
209 sport = sin->sin_port;
214 if (sa->sa_len != sizeof(struct sockaddr_in6)) {
218 sin6 = (struct sockaddr_in6 *)sa;
219 if (sin6->sin6_port) {
220 /* non-zero port, check or save */
222 /* Check against our port */
223 if (sport != sin6->sin6_port) {
228 /* save off the port */
229 sport = sin6->sin6_port;
234 /* Invalid address family specified. */
238 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
241 * Now if there was a port mentioned, assure that the first address
242 * has that port to make sure it fails or succeeds correctly.
245 sin = (struct sockaddr_in *)sa;
246 sin->sin_port = sport;
248 argsz = sizeof(struct sctp_getaddresses) +
249 sizeof(struct sockaddr_storage);
250 if ((gaddrs = (struct sctp_getaddresses *)malloc(argsz)) == NULL) {
255 for (i = 0; i < addrcnt; i++) {
256 memset(gaddrs, 0, argsz);
257 gaddrs->sget_assoc_id = 0;
258 memcpy(gaddrs->addr, sa, sa->sa_len);
259 if (setsockopt(sd, IPPROTO_SCTP, flags, gaddrs,
260 (socklen_t) argsz) != 0) {
264 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
271 sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size)
277 if ((id == SCTP_CURRENT_ASSOC) ||
278 (id == SCTP_ALL_ASSOC)) {
284 ((struct sctp_rtoinfo *)arg)->srto_assoc_id = id;
287 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id;
289 case SCTP_DEFAULT_SEND_PARAM:
290 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id;
292 case SCTP_PRIMARY_ADDR:
293 ((struct sctp_setprim *)arg)->ssp_assoc_id = id;
295 case SCTP_PEER_ADDR_PARAMS:
296 ((struct sctp_paddrparams *)arg)->spp_assoc_id = id;
299 ((struct sctp_assoc_value *)arg)->assoc_id = id;
302 ((struct sctp_authkey *)arg)->sca_assoc_id = id;
304 case SCTP_AUTH_ACTIVE_KEY:
305 ((struct sctp_authkeyid *)arg)->scact_assoc_id = id;
307 case SCTP_DELAYED_SACK:
308 ((struct sctp_sack_info *)arg)->sack_assoc_id = id;
311 ((struct sctp_assoc_value *)arg)->assoc_id = id;
314 ((struct sctp_status *)arg)->sstat_assoc_id = id;
316 case SCTP_GET_PEER_ADDR_INFO:
317 ((struct sctp_paddrinfo *)arg)->spinfo_assoc_id = id;
319 case SCTP_PEER_AUTH_CHUNKS:
320 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id;
322 case SCTP_LOCAL_AUTH_CHUNKS:
323 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id;
326 ((struct sctp_timeouts *)arg)->stimo_assoc_id = id;
329 ((struct sctp_event *)arg)->se_assoc_id = id;
331 case SCTP_DEFAULT_SNDINFO:
332 ((struct sctp_sndinfo *)arg)->snd_assoc_id = id;
334 case SCTP_DEFAULT_PRINFO:
335 ((struct sctp_default_prinfo *)arg)->pr_assoc_id = id;
337 case SCTP_PEER_ADDR_THLDS:
338 ((struct sctp_paddrthlds *)arg)->spt_assoc_id = id;
340 case SCTP_REMOTE_UDP_ENCAPS_PORT:
341 ((struct sctp_udpencaps *)arg)->sue_assoc_id = id;
344 ((struct sctp_assoc_value *)arg)->assoc_id = id;
346 case SCTP_ENABLE_STREAM_RESET:
347 ((struct sctp_assoc_value *)arg)->assoc_id = id;
352 return (getsockopt(sd, IPPROTO_SCTP, opt, arg, size));
356 sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
358 struct sctp_getaddresses *addrs;
365 if (raddrs == NULL) {
370 opt_len = (socklen_t) sizeof(sctp_assoc_t);
371 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE,
372 &asoc, &opt_len) != 0) {
375 /* size required is returned in 'asoc' */
376 opt_len = (socklen_t) ((size_t)asoc + sizeof(struct sctp_getaddresses));
377 addrs = calloc(1, (size_t)opt_len);
382 addrs->sget_assoc_id = id;
383 /* Now lets get the array of addresses */
384 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES,
385 addrs, &opt_len) != 0) {
389 *raddrs = (struct sockaddr *)&addrs->addr[0];
391 sa = (struct sockaddr *)&addrs->addr[0];
392 lim = (caddr_t)addrs + opt_len;
393 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
394 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
401 sctp_freepaddrs(struct sockaddr *addrs)
405 /* Take away the hidden association id */
406 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
412 sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
414 struct sctp_getaddresses *addrs;
417 size_t size_of_addresses;
421 if (raddrs == NULL) {
425 size_of_addresses = 0;
426 opt_len = (socklen_t) sizeof(int);
427 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE,
428 &size_of_addresses, &opt_len) != 0) {
432 if (size_of_addresses == 0) {
436 opt_len = (socklen_t) (size_of_addresses +
437 sizeof(struct sockaddr_storage) +
438 sizeof(struct sctp_getaddresses));
439 addrs = calloc(1, (size_t)opt_len);
444 addrs->sget_assoc_id = id;
445 /* Now lets get the array of addresses */
446 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
452 *raddrs = (struct sockaddr *)&addrs->addr[0];
454 sa = (struct sockaddr *)&addrs->addr[0];
455 lim = (caddr_t)addrs + opt_len;
456 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
457 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
464 sctp_freeladdrs(struct sockaddr *addrs)
468 /* Take away the hidden association id */
469 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
478 const struct sockaddr *to,
486 #ifdef SYS_sctp_generic_sendmsg
487 struct sctp_sndrcvinfo sinfo;
489 memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
490 sinfo.sinfo_ppid = ppid;
491 sinfo.sinfo_flags = flags;
492 sinfo.sinfo_stream = stream_no;
493 sinfo.sinfo_timetolive = timetolive;
494 sinfo.sinfo_context = context;
495 sinfo.sinfo_assoc_id = 0;
496 return (syscall(SYS_sctp_generic_sendmsg, s,
497 data, len, to, tolen, &sinfo, 0));
500 struct sctp_sndrcvinfo *sinfo;
502 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
503 struct cmsghdr *cmsg;
504 struct sockaddr *who = NULL;
506 struct sockaddr_in in;
507 struct sockaddr_in6 in6;
511 ((to == NULL) || (tolen < sizeof(struct sockaddr)))) {
515 if ((to != NULL) && (tolen > 0)) {
516 switch (to->sa_family) {
518 if (tolen != sizeof(struct sockaddr_in)) {
522 if ((to->sa_len > 0) &&
523 (to->sa_len != sizeof(struct sockaddr_in))) {
527 memcpy(&addr, to, sizeof(struct sockaddr_in));
528 addr.in.sin_len = sizeof(struct sockaddr_in);
531 if (tolen != sizeof(struct sockaddr_in6)) {
535 if ((to->sa_len > 0) &&
536 (to->sa_len != sizeof(struct sockaddr_in6))) {
540 memcpy(&addr, to, sizeof(struct sockaddr_in6));
541 addr.in6.sin6_len = sizeof(struct sockaddr_in6);
544 errno = EAFNOSUPPORT;
547 who = (struct sockaddr *)&addr;
549 iov.iov_base = (char *)data;
553 msg.msg_name = (caddr_t)who;
554 msg.msg_namelen = who->sa_len;
556 msg.msg_name = (caddr_t)NULL;
561 msg.msg_control = cmsgbuf;
562 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
563 cmsg = (struct cmsghdr *)cmsgbuf;
564 cmsg->cmsg_level = IPPROTO_SCTP;
565 cmsg->cmsg_type = SCTP_SNDRCV;
566 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
567 sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
568 sinfo->sinfo_stream = stream_no;
569 sinfo->sinfo_ssn = 0;
570 sinfo->sinfo_flags = flags;
571 sinfo->sinfo_ppid = ppid;
572 sinfo->sinfo_context = context;
573 sinfo->sinfo_assoc_id = 0;
574 sinfo->sinfo_timetolive = timetolive;
575 return (sendmsg(s, &msg, 0));
581 sctp_getassocid(int sd, struct sockaddr *sa)
583 struct sctp_paddrinfo sp;
586 /* First get the assoc id */
588 memset(&sp, 0, sizeof(sp));
589 memcpy((caddr_t)&sp.spinfo_address, sa, sa->sa_len);
590 if (getsockopt(sd, IPPROTO_SCTP,
591 SCTP_GET_PEER_ADDR_INFO, &sp, &siz) != 0) {
592 /* We depend on the fact that 0 can never be returned */
593 return ((sctp_assoc_t) 0);
595 return (sp.spinfo_assoc_id);
599 sctp_send(int sd, const void *data, size_t len,
600 const struct sctp_sndrcvinfo *sinfo,
604 #ifdef SYS_sctp_generic_sendmsg
605 struct sockaddr *to = NULL;
607 return (syscall(SYS_sctp_generic_sendmsg, sd,
608 data, len, to, 0, sinfo, flags));
612 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
613 struct cmsghdr *cmsg;
619 iov.iov_base = (char *)data;
626 msg.msg_control = cmsgbuf;
627 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
628 cmsg = (struct cmsghdr *)cmsgbuf;
629 cmsg->cmsg_level = IPPROTO_SCTP;
630 cmsg->cmsg_type = SCTP_SNDRCV;
631 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
632 memcpy(CMSG_DATA(cmsg), sinfo, sizeof(struct sctp_sndrcvinfo));
633 return (sendmsg(sd, &msg, flags));
640 sctp_sendx(int sd, const void *msg, size_t msg_len,
641 struct sockaddr *addrs, int addrcnt,
642 struct sctp_sndrcvinfo *sinfo,
645 struct sctp_sndrcvinfo __sinfo;
647 int i, cnt, *aa, saved_errno;
657 #ifdef SYS_sctp_generic_sendmsg
662 * Quick way, we don't need to do a connectx so lets use the
666 return (syscall(SYS_sctp_generic_sendmsg, sd,
667 msg, msg_len, addrs, l, sinfo, flags));
674 /* validate all the addresses and get the size */
675 for (i = 0; i < addrcnt; i++) {
676 if (at->sa_family == AF_INET) {
677 add_len = sizeof(struct sockaddr_in);
678 } else if (at->sa_family == AF_INET6) {
679 add_len = sizeof(struct sockaddr_in6);
685 at = (struct sockaddr *)((caddr_t)at + add_len);
688 /* do we have any? */
701 memcpy((caddr_t)aa, addrs, (size_t)(len - sizeof(int)));
702 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_DELAYED, (void *)buf,
707 if (errno == EALREADY) {
716 memset(&__sinfo, 0, sizeof(__sinfo));
718 sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs);
719 if (sinfo->sinfo_assoc_id == 0) {
720 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
721 (socklen_t) addrs->sa_len);
725 ret = sctp_send(sd, msg, msg_len, sinfo, flags);
728 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
729 (socklen_t) addrs->sa_len);
736 sctp_sendmsgx(int sd,
739 struct sockaddr *addrs,
747 struct sctp_sndrcvinfo sinfo;
749 memset((void *)&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
750 sinfo.sinfo_ppid = ppid;
751 sinfo.sinfo_flags = flags;
752 sinfo.sinfo_ssn = stream_no;
753 sinfo.sinfo_timetolive = timetolive;
754 sinfo.sinfo_context = context;
755 return (sctp_sendx(sd, msg, len, addrs, addrcnt, &sinfo, 0));
762 struct sockaddr *from,
764 struct sctp_sndrcvinfo *sinfo,
767 #ifdef SYS_sctp_generic_recvmsg
772 return (syscall(SYS_sctp_generic_recvmsg, s,
773 &iov, 1, from, fromlen, sinfo, msg_flags));
778 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
779 struct cmsghdr *cmsg;
781 if (msg_flags == NULL) {
788 msg.msg_name = (caddr_t)from;
792 msg.msg_namelen = *fromlen;
795 msg.msg_control = cmsgbuf;
796 msg.msg_controllen = sizeof(cmsgbuf);
797 sz = recvmsg(s, &msg, *msg_flags);
798 *msg_flags = msg.msg_flags;
803 sinfo->sinfo_assoc_id = 0;
805 if ((msg.msg_controllen > 0) && (sinfo != NULL)) {
807 * parse through and see if we find the sctp_sndrcvinfo (if
808 * the user wants it).
810 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
811 if (cmsg->cmsg_level != IPPROTO_SCTP) {
814 if (cmsg->cmsg_type == SCTP_SNDRCV) {
815 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_sndrcvinfo));
818 if (cmsg->cmsg_type == SCTP_EXTRCV) {
820 * Let's hope that the user provided enough
821 * enough memory. At least he asked for more
824 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_extrcvinfo));
835 const struct iovec *iov,
837 struct sockaddr *from,
841 unsigned int *infotype,
844 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
846 struct cmsghdr *cmsg;
848 struct sctp_rcvinfo *rcvinfo;
849 struct sctp_nxtinfo *nxtinfo;
851 if (((info != NULL) && (infolen == NULL)) |
852 ((info == NULL) && (infolen != NULL) && (*infolen != 0)) ||
853 ((info != NULL) && (infotype == NULL))) {
858 *infotype = SCTP_RECVV_NOINFO;
861 if (fromlen == NULL) {
864 msg.msg_namelen = *fromlen;
866 msg.msg_iov = (struct iovec *)iov;
867 msg.msg_iovlen = iovlen;
868 msg.msg_control = cmsgbuf;
869 msg.msg_controllen = sizeof(cmsgbuf);
870 ret = recvmsg(sd, &msg, *flags);
871 *flags = msg.msg_flags;
873 (msg.msg_controllen > 0) &&
874 (infotype != NULL) &&
879 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
880 if (cmsg->cmsg_level != IPPROTO_SCTP) {
883 if (cmsg->cmsg_type == SCTP_RCVINFO) {
884 rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
885 if (nxtinfo != NULL) {
891 if (cmsg->cmsg_type == SCTP_NXTINFO) {
892 nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg);
893 if (rcvinfo != NULL) {
900 if (rcvinfo != NULL) {
901 if ((nxtinfo != NULL) && (*infolen >= sizeof(struct sctp_recvv_rn))) {
902 struct sctp_recvv_rn *rn_info;
904 rn_info = (struct sctp_recvv_rn *)info;
905 rn_info->recvv_rcvinfo = *rcvinfo;
906 rn_info->recvv_nxtinfo = *nxtinfo;
907 *infolen = (socklen_t) sizeof(struct sctp_recvv_rn);
908 *infotype = SCTP_RECVV_RN;
909 } else if (*infolen >= sizeof(struct sctp_rcvinfo)) {
910 memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo));
911 *infolen = (socklen_t) sizeof(struct sctp_rcvinfo);
912 *infotype = SCTP_RECVV_RCVINFO;
914 } else if (nxtinfo != NULL) {
915 if (*infolen >= sizeof(struct sctp_nxtinfo)) {
916 memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo));
917 *infolen = (socklen_t) sizeof(struct sctp_nxtinfo);
918 *infotype = SCTP_RECVV_NXTINFO;
927 const struct iovec *iov, int iovcnt,
928 struct sockaddr *addrs, int addrcnt,
929 void *info, socklen_t infolen, unsigned int infotype,
937 struct sctp_sendv_spa *spa_info;
938 struct cmsghdr *cmsg;
940 struct sockaddr *addr;
941 struct sockaddr_in *addr_in;
942 struct sockaddr_in6 *addr_in6;
946 ((addrs == NULL) && (addrcnt > 0)) ||
947 ((addrs != NULL) && (addrcnt == 0)) ||
948 ((iov == NULL) && (iovcnt > 0)) ||
949 ((iov != NULL) && (iovcnt == 0))) {
953 cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) +
954 CMSG_SPACE(sizeof(struct sctp_prinfo)) +
955 CMSG_SPACE(sizeof(struct sctp_authinfo)) +
956 (size_t)addrcnt * CMSG_SPACE(sizeof(struct in6_addr)));
957 if (cmsgbuf == NULL) {
961 msg.msg_control = cmsgbuf;
962 msg.msg_controllen = 0;
963 cmsg = (struct cmsghdr *)cmsgbuf;
965 case SCTP_SENDV_NOINFO:
966 if ((infolen != 0) || (info != NULL)) {
972 case SCTP_SENDV_SNDINFO:
973 if ((info == NULL) || (infolen < sizeof(struct sctp_sndinfo))) {
978 cmsg->cmsg_level = IPPROTO_SCTP;
979 cmsg->cmsg_type = SCTP_SNDINFO;
980 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
981 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_sndinfo));
982 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
983 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
985 case SCTP_SENDV_PRINFO:
986 if ((info == NULL) || (infolen < sizeof(struct sctp_prinfo))) {
991 cmsg->cmsg_level = IPPROTO_SCTP;
992 cmsg->cmsg_type = SCTP_PRINFO;
993 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
994 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_prinfo));
995 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
996 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
998 case SCTP_SENDV_AUTHINFO:
999 if ((info == NULL) || (infolen < sizeof(struct sctp_authinfo))) {
1004 cmsg->cmsg_level = IPPROTO_SCTP;
1005 cmsg->cmsg_type = SCTP_AUTHINFO;
1006 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1007 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_authinfo));
1008 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1009 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1011 case SCTP_SENDV_SPA:
1012 if ((info == NULL) || (infolen < sizeof(struct sctp_sendv_spa))) {
1017 spa_info = (struct sctp_sendv_spa *)info;
1018 if (spa_info->sendv_flags & SCTP_SEND_SNDINFO_VALID) {
1019 cmsg->cmsg_level = IPPROTO_SCTP;
1020 cmsg->cmsg_type = SCTP_SNDINFO;
1021 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
1022 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_sndinfo, sizeof(struct sctp_sndinfo));
1023 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
1024 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
1026 if (spa_info->sendv_flags & SCTP_SEND_PRINFO_VALID) {
1027 cmsg->cmsg_level = IPPROTO_SCTP;
1028 cmsg->cmsg_type = SCTP_PRINFO;
1029 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
1030 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_prinfo, sizeof(struct sctp_prinfo));
1031 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
1032 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
1034 if (spa_info->sendv_flags & SCTP_SEND_AUTHINFO_VALID) {
1035 cmsg->cmsg_level = IPPROTO_SCTP;
1036 cmsg->cmsg_type = SCTP_AUTHINFO;
1037 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1038 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_authinfo, sizeof(struct sctp_authinfo));
1039 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1040 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1049 msg.msg_name = NULL;
1050 msg.msg_namelen = 0;
1052 for (i = 0; i < addrcnt; i++) {
1053 switch (addr->sa_family) {
1055 addr_len = (socklen_t) sizeof(struct sockaddr_in);
1056 addr_in = (struct sockaddr_in *)addr;
1057 if (addr_in->sin_len != addr_len) {
1063 port = addr_in->sin_port;
1065 if (port == addr_in->sin_port) {
1066 cmsg->cmsg_level = IPPROTO_SCTP;
1067 cmsg->cmsg_type = SCTP_DSTADDRV4;
1068 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr));
1069 memcpy(CMSG_DATA(cmsg), &addr_in->sin_addr, sizeof(struct in_addr));
1070 msg.msg_controllen += CMSG_SPACE(sizeof(struct in_addr));
1071 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in_addr)));
1080 addr_len = (socklen_t) sizeof(struct sockaddr_in6);
1081 addr_in6 = (struct sockaddr_in6 *)addr;
1082 if (addr_in6->sin6_len != addr_len) {
1088 port = addr_in6->sin6_port;
1090 if (port == addr_in6->sin6_port) {
1091 cmsg->cmsg_level = IPPROTO_SCTP;
1092 cmsg->cmsg_type = SCTP_DSTADDRV6;
1093 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_addr));
1094 memcpy(CMSG_DATA(cmsg), &addr_in6->sin6_addr, sizeof(struct in6_addr));
1095 msg.msg_controllen += CMSG_SPACE(sizeof(struct in6_addr));
1096 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in6_addr)));
1110 msg.msg_name = addr;
1111 msg.msg_namelen = addr_len;
1113 addr = (struct sockaddr *)((caddr_t)addr + addr_len);
1115 if (msg.msg_controllen == 0) {
1116 msg.msg_control = NULL;
1118 msg.msg_iov = (struct iovec *)iov;
1119 msg.msg_iovlen = iovcnt;
1121 ret = sendmsg(sd, &msg, flags);
1127 #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1130 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1132 /* NOT supported, return invalid sd */
1138 #if defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1140 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1142 return (syscall(SYS_sctp_peeloff, sd, assoc_id));
1147 #undef SCTP_CONTROL_VEC_SIZE_RCV