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,
106 const struct sockaddr *at;
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;
169 sctp_bindx(int sd, struct sockaddr *addrs, int addrcnt, int flags)
171 struct sctp_getaddresses *gaddrs;
173 struct sockaddr_in *sin;
174 struct sockaddr_in6 *sin6;
179 /* validate the flags */
180 if ((flags != SCTP_BINDX_ADD_ADDR) &&
181 (flags != SCTP_BINDX_REM_ADDR)) {
185 /* validate the address count and list */
186 if ((addrcnt <= 0) || (addrs == NULL)) {
190 /* First pre-screen the addresses */
192 for (i = 0; i < addrcnt; i++) {
193 switch (sa->sa_family) {
195 if (sa->sa_len != sizeof(struct sockaddr_in)) {
199 sin = (struct sockaddr_in *)sa;
201 /* non-zero port, check or save */
203 /* Check against our port */
204 if (sport != sin->sin_port) {
209 /* save off the port */
210 sport = sin->sin_port;
215 if (sa->sa_len != sizeof(struct sockaddr_in6)) {
219 sin6 = (struct sockaddr_in6 *)sa;
220 if (sin6->sin6_port) {
221 /* non-zero port, check or save */
223 /* Check against our port */
224 if (sport != sin6->sin6_port) {
229 /* save off the port */
230 sport = sin6->sin6_port;
235 /* Invalid address family specified. */
236 errno = EAFNOSUPPORT;
239 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
241 argsz = sizeof(struct sctp_getaddresses) +
242 sizeof(struct sockaddr_storage);
243 if ((gaddrs = (struct sctp_getaddresses *)malloc(argsz)) == NULL) {
248 for (i = 0; i < addrcnt; i++) {
249 memset(gaddrs, 0, argsz);
250 gaddrs->sget_assoc_id = 0;
251 memcpy(gaddrs->addr, sa, sa->sa_len);
253 * Now, if there was a port mentioned, assure that the first
254 * address has that port to make sure it fails or succeeds
257 if ((i == 0) && (sport != 0)) {
258 switch (gaddrs->addr->sa_family) {
260 sin = (struct sockaddr_in *)gaddrs->addr;
261 sin->sin_port = sport;
264 sin6 = (struct sockaddr_in6 *)gaddrs->addr;
265 sin6->sin6_port = sport;
269 if (setsockopt(sd, IPPROTO_SCTP, flags, gaddrs,
270 (socklen_t) argsz) != 0) {
274 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
281 sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size)
287 if ((id == SCTP_CURRENT_ASSOC) ||
288 (id == SCTP_ALL_ASSOC)) {
294 ((struct sctp_rtoinfo *)arg)->srto_assoc_id = id;
297 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id;
299 case SCTP_DEFAULT_SEND_PARAM:
300 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id;
302 case SCTP_PRIMARY_ADDR:
303 ((struct sctp_setprim *)arg)->ssp_assoc_id = id;
305 case SCTP_PEER_ADDR_PARAMS:
306 ((struct sctp_paddrparams *)arg)->spp_assoc_id = id;
309 ((struct sctp_assoc_value *)arg)->assoc_id = id;
312 ((struct sctp_authkey *)arg)->sca_assoc_id = id;
314 case SCTP_AUTH_ACTIVE_KEY:
315 ((struct sctp_authkeyid *)arg)->scact_assoc_id = id;
317 case SCTP_DELAYED_SACK:
318 ((struct sctp_sack_info *)arg)->sack_assoc_id = id;
321 ((struct sctp_assoc_value *)arg)->assoc_id = id;
324 ((struct sctp_status *)arg)->sstat_assoc_id = id;
326 case SCTP_GET_PEER_ADDR_INFO:
327 ((struct sctp_paddrinfo *)arg)->spinfo_assoc_id = id;
329 case SCTP_PEER_AUTH_CHUNKS:
330 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id;
332 case SCTP_LOCAL_AUTH_CHUNKS:
333 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id;
336 ((struct sctp_timeouts *)arg)->stimo_assoc_id = id;
339 ((struct sctp_event *)arg)->se_assoc_id = id;
341 case SCTP_DEFAULT_SNDINFO:
342 ((struct sctp_sndinfo *)arg)->snd_assoc_id = id;
344 case SCTP_DEFAULT_PRINFO:
345 ((struct sctp_default_prinfo *)arg)->pr_assoc_id = id;
347 case SCTP_PEER_ADDR_THLDS:
348 ((struct sctp_paddrthlds *)arg)->spt_assoc_id = id;
350 case SCTP_REMOTE_UDP_ENCAPS_PORT:
351 ((struct sctp_udpencaps *)arg)->sue_assoc_id = id;
353 case SCTP_ECN_SUPPORTED:
354 ((struct sctp_assoc_value *)arg)->assoc_id = id;
357 ((struct sctp_assoc_value *)arg)->assoc_id = id;
359 case SCTP_ENABLE_STREAM_RESET:
360 ((struct sctp_assoc_value *)arg)->assoc_id = id;
365 return (getsockopt(sd, IPPROTO_SCTP, opt, arg, size));
369 sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
371 struct sctp_getaddresses *addrs;
378 if (raddrs == NULL) {
383 opt_len = (socklen_t) sizeof(sctp_assoc_t);
384 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE,
385 &asoc, &opt_len) != 0) {
388 /* size required is returned in 'asoc' */
389 opt_len = (socklen_t) ((size_t)asoc + sizeof(struct sctp_getaddresses));
390 addrs = calloc(1, (size_t)opt_len);
395 addrs->sget_assoc_id = id;
396 /* Now lets get the array of addresses */
397 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES,
398 addrs, &opt_len) != 0) {
402 *raddrs = (struct sockaddr *)&addrs->addr[0];
404 sa = (struct sockaddr *)&addrs->addr[0];
405 lim = (caddr_t)addrs + opt_len;
406 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
407 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
414 sctp_freepaddrs(struct sockaddr *addrs)
418 /* Take away the hidden association id */
419 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
425 sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
427 struct sctp_getaddresses *addrs;
430 size_t size_of_addresses;
434 if (raddrs == NULL) {
438 size_of_addresses = 0;
439 opt_len = (socklen_t) sizeof(int);
440 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE,
441 &size_of_addresses, &opt_len) != 0) {
445 if (size_of_addresses == 0) {
449 opt_len = (socklen_t) (size_of_addresses +
450 sizeof(struct sockaddr_storage) +
451 sizeof(struct sctp_getaddresses));
452 addrs = calloc(1, (size_t)opt_len);
457 addrs->sget_assoc_id = id;
458 /* Now lets get the array of addresses */
459 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
465 *raddrs = (struct sockaddr *)&addrs->addr[0];
467 sa = (struct sockaddr *)&addrs->addr[0];
468 lim = (caddr_t)addrs + opt_len;
469 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
470 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
477 sctp_freeladdrs(struct sockaddr *addrs)
481 /* Take away the hidden association id */
482 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
491 const struct sockaddr *to,
499 #ifdef SYS_sctp_generic_sendmsg
500 struct sctp_sndrcvinfo sinfo;
502 memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
503 sinfo.sinfo_ppid = ppid;
504 sinfo.sinfo_flags = flags;
505 sinfo.sinfo_stream = stream_no;
506 sinfo.sinfo_timetolive = timetolive;
507 sinfo.sinfo_context = context;
508 sinfo.sinfo_assoc_id = 0;
509 return (syscall(SYS_sctp_generic_sendmsg, s,
510 data, len, to, tolen, &sinfo, 0));
513 struct sctp_sndrcvinfo *sinfo;
515 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
516 struct cmsghdr *cmsg;
517 struct sockaddr *who = NULL;
519 struct sockaddr_in in;
520 struct sockaddr_in6 in6;
524 ((to == NULL) || (tolen < sizeof(struct sockaddr)))) {
528 if ((to != NULL) && (tolen > 0)) {
529 switch (to->sa_family) {
531 if (tolen != sizeof(struct sockaddr_in)) {
535 if ((to->sa_len > 0) &&
536 (to->sa_len != sizeof(struct sockaddr_in))) {
540 memcpy(&addr, to, sizeof(struct sockaddr_in));
541 addr.in.sin_len = sizeof(struct sockaddr_in);
544 if (tolen != sizeof(struct sockaddr_in6)) {
548 if ((to->sa_len > 0) &&
549 (to->sa_len != sizeof(struct sockaddr_in6))) {
553 memcpy(&addr, to, sizeof(struct sockaddr_in6));
554 addr.in6.sin6_len = sizeof(struct sockaddr_in6);
557 errno = EAFNOSUPPORT;
560 who = (struct sockaddr *)&addr;
562 iov.iov_base = (char *)data;
566 msg.msg_name = (caddr_t)who;
567 msg.msg_namelen = who->sa_len;
569 msg.msg_name = (caddr_t)NULL;
574 msg.msg_control = cmsgbuf;
575 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
576 cmsg = (struct cmsghdr *)cmsgbuf;
577 cmsg->cmsg_level = IPPROTO_SCTP;
578 cmsg->cmsg_type = SCTP_SNDRCV;
579 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
580 sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
581 sinfo->sinfo_stream = stream_no;
582 sinfo->sinfo_ssn = 0;
583 sinfo->sinfo_flags = flags;
584 sinfo->sinfo_ppid = ppid;
585 sinfo->sinfo_context = context;
586 sinfo->sinfo_assoc_id = 0;
587 sinfo->sinfo_timetolive = timetolive;
588 return (sendmsg(s, &msg, 0));
594 sctp_getassocid(int sd, struct sockaddr *sa)
596 struct sctp_paddrinfo sp;
599 /* First get the assoc id */
601 memset(&sp, 0, sizeof(sp));
602 memcpy((caddr_t)&sp.spinfo_address, sa, sa->sa_len);
603 if (getsockopt(sd, IPPROTO_SCTP,
604 SCTP_GET_PEER_ADDR_INFO, &sp, &siz) != 0) {
605 /* We depend on the fact that 0 can never be returned */
606 return ((sctp_assoc_t) 0);
608 return (sp.spinfo_assoc_id);
612 sctp_send(int sd, const void *data, size_t len,
613 const struct sctp_sndrcvinfo *sinfo,
617 #ifdef SYS_sctp_generic_sendmsg
618 struct sockaddr *to = NULL;
620 return (syscall(SYS_sctp_generic_sendmsg, sd,
621 data, len, to, 0, sinfo, flags));
625 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
626 struct cmsghdr *cmsg;
632 iov.iov_base = (char *)data;
639 msg.msg_control = cmsgbuf;
640 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
641 cmsg = (struct cmsghdr *)cmsgbuf;
642 cmsg->cmsg_level = IPPROTO_SCTP;
643 cmsg->cmsg_type = SCTP_SNDRCV;
644 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
645 memcpy(CMSG_DATA(cmsg), sinfo, sizeof(struct sctp_sndrcvinfo));
646 return (sendmsg(sd, &msg, flags));
653 sctp_sendx(int sd, const void *msg, size_t msg_len,
654 struct sockaddr *addrs, int addrcnt,
655 struct sctp_sndrcvinfo *sinfo,
658 struct sctp_sndrcvinfo __sinfo;
660 int i, cnt, *aa, saved_errno;
670 #ifdef SYS_sctp_generic_sendmsg
675 * Quick way, we don't need to do a connectx so lets use the
679 return (syscall(SYS_sctp_generic_sendmsg, sd,
680 msg, msg_len, addrs, l, sinfo, flags));
687 /* validate all the addresses and get the size */
688 for (i = 0; i < addrcnt; i++) {
689 if (at->sa_family == AF_INET) {
690 add_len = sizeof(struct sockaddr_in);
691 } else if (at->sa_family == AF_INET6) {
692 add_len = sizeof(struct sockaddr_in6);
698 at = (struct sockaddr *)((caddr_t)at + add_len);
701 /* do we have any? */
714 memcpy((caddr_t)aa, addrs, (size_t)(len - sizeof(int)));
715 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_DELAYED, (void *)buf,
720 if (errno == EALREADY) {
729 memset(&__sinfo, 0, sizeof(__sinfo));
731 sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs);
732 if (sinfo->sinfo_assoc_id == 0) {
733 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
734 (socklen_t) addrs->sa_len);
738 ret = sctp_send(sd, msg, msg_len, sinfo, flags);
741 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
742 (socklen_t) addrs->sa_len);
749 sctp_sendmsgx(int sd,
752 struct sockaddr *addrs,
760 struct sctp_sndrcvinfo sinfo;
762 memset((void *)&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
763 sinfo.sinfo_ppid = ppid;
764 sinfo.sinfo_flags = flags;
765 sinfo.sinfo_ssn = stream_no;
766 sinfo.sinfo_timetolive = timetolive;
767 sinfo.sinfo_context = context;
768 return (sctp_sendx(sd, msg, len, addrs, addrcnt, &sinfo, 0));
775 struct sockaddr *from,
777 struct sctp_sndrcvinfo *sinfo,
780 #ifdef SYS_sctp_generic_recvmsg
785 return (syscall(SYS_sctp_generic_recvmsg, s,
786 &iov, 1, from, fromlen, sinfo, msg_flags));
791 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
792 struct cmsghdr *cmsg;
794 if (msg_flags == NULL) {
801 msg.msg_name = (caddr_t)from;
805 msg.msg_namelen = *fromlen;
808 msg.msg_control = cmsgbuf;
809 msg.msg_controllen = sizeof(cmsgbuf);
810 sz = recvmsg(s, &msg, *msg_flags);
811 *msg_flags = msg.msg_flags;
816 sinfo->sinfo_assoc_id = 0;
818 if ((msg.msg_controllen > 0) && (sinfo != NULL)) {
820 * parse through and see if we find the sctp_sndrcvinfo (if
821 * the user wants it).
823 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
824 if (cmsg->cmsg_level != IPPROTO_SCTP) {
827 if (cmsg->cmsg_type == SCTP_SNDRCV) {
828 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_sndrcvinfo));
831 if (cmsg->cmsg_type == SCTP_EXTRCV) {
833 * Let's hope that the user provided enough
834 * enough memory. At least he asked for more
837 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_extrcvinfo));
848 const struct iovec *iov,
850 struct sockaddr *from,
854 unsigned int *infotype,
857 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
859 struct cmsghdr *cmsg;
861 struct sctp_rcvinfo *rcvinfo;
862 struct sctp_nxtinfo *nxtinfo;
864 if (((info != NULL) && (infolen == NULL)) |
865 ((info == NULL) && (infolen != NULL) && (*infolen != 0)) ||
866 ((info != NULL) && (infotype == NULL))) {
871 *infotype = SCTP_RECVV_NOINFO;
874 if (fromlen == NULL) {
877 msg.msg_namelen = *fromlen;
879 msg.msg_iov = (struct iovec *)iov;
880 msg.msg_iovlen = iovlen;
881 msg.msg_control = cmsgbuf;
882 msg.msg_controllen = sizeof(cmsgbuf);
883 ret = recvmsg(sd, &msg, *flags);
884 *flags = msg.msg_flags;
886 (msg.msg_controllen > 0) &&
887 (infotype != NULL) &&
892 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
893 if (cmsg->cmsg_level != IPPROTO_SCTP) {
896 if (cmsg->cmsg_type == SCTP_RCVINFO) {
897 rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
898 if (nxtinfo != NULL) {
904 if (cmsg->cmsg_type == SCTP_NXTINFO) {
905 nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg);
906 if (rcvinfo != NULL) {
913 if (rcvinfo != NULL) {
914 if ((nxtinfo != NULL) && (*infolen >= sizeof(struct sctp_recvv_rn))) {
915 struct sctp_recvv_rn *rn_info;
917 rn_info = (struct sctp_recvv_rn *)info;
918 rn_info->recvv_rcvinfo = *rcvinfo;
919 rn_info->recvv_nxtinfo = *nxtinfo;
920 *infolen = (socklen_t) sizeof(struct sctp_recvv_rn);
921 *infotype = SCTP_RECVV_RN;
922 } else if (*infolen >= sizeof(struct sctp_rcvinfo)) {
923 memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo));
924 *infolen = (socklen_t) sizeof(struct sctp_rcvinfo);
925 *infotype = SCTP_RECVV_RCVINFO;
927 } else if (nxtinfo != NULL) {
928 if (*infolen >= sizeof(struct sctp_nxtinfo)) {
929 memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo));
930 *infolen = (socklen_t) sizeof(struct sctp_nxtinfo);
931 *infotype = SCTP_RECVV_NXTINFO;
940 const struct iovec *iov, int iovcnt,
941 struct sockaddr *addrs, int addrcnt,
942 void *info, socklen_t infolen, unsigned int infotype,
950 struct sctp_sendv_spa *spa_info;
951 struct cmsghdr *cmsg;
953 struct sockaddr *addr;
954 struct sockaddr_in *addr_in;
955 struct sockaddr_in6 *addr_in6;
959 ((addrs == NULL) && (addrcnt > 0)) ||
960 ((addrs != NULL) && (addrcnt == 0)) ||
961 ((iov == NULL) && (iovcnt > 0)) ||
962 ((iov != NULL) && (iovcnt == 0))) {
966 cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) +
967 CMSG_SPACE(sizeof(struct sctp_prinfo)) +
968 CMSG_SPACE(sizeof(struct sctp_authinfo)) +
969 (size_t)addrcnt * CMSG_SPACE(sizeof(struct in6_addr)));
970 if (cmsgbuf == NULL) {
974 msg.msg_control = cmsgbuf;
975 msg.msg_controllen = 0;
976 cmsg = (struct cmsghdr *)cmsgbuf;
978 case SCTP_SENDV_NOINFO:
979 if ((infolen != 0) || (info != NULL)) {
985 case SCTP_SENDV_SNDINFO:
986 if ((info == NULL) || (infolen < sizeof(struct sctp_sndinfo))) {
991 cmsg->cmsg_level = IPPROTO_SCTP;
992 cmsg->cmsg_type = SCTP_SNDINFO;
993 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
994 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_sndinfo));
995 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
996 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
998 case SCTP_SENDV_PRINFO:
999 if ((info == NULL) || (infolen < sizeof(struct sctp_prinfo))) {
1004 cmsg->cmsg_level = IPPROTO_SCTP;
1005 cmsg->cmsg_type = SCTP_PRINFO;
1006 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
1007 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_prinfo));
1008 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
1009 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
1011 case SCTP_SENDV_AUTHINFO:
1012 if ((info == NULL) || (infolen < sizeof(struct sctp_authinfo))) {
1017 cmsg->cmsg_level = IPPROTO_SCTP;
1018 cmsg->cmsg_type = SCTP_AUTHINFO;
1019 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1020 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_authinfo));
1021 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1022 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1024 case SCTP_SENDV_SPA:
1025 if ((info == NULL) || (infolen < sizeof(struct sctp_sendv_spa))) {
1030 spa_info = (struct sctp_sendv_spa *)info;
1031 if (spa_info->sendv_flags & SCTP_SEND_SNDINFO_VALID) {
1032 cmsg->cmsg_level = IPPROTO_SCTP;
1033 cmsg->cmsg_type = SCTP_SNDINFO;
1034 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
1035 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_sndinfo, sizeof(struct sctp_sndinfo));
1036 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
1037 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
1039 if (spa_info->sendv_flags & SCTP_SEND_PRINFO_VALID) {
1040 cmsg->cmsg_level = IPPROTO_SCTP;
1041 cmsg->cmsg_type = SCTP_PRINFO;
1042 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
1043 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_prinfo, sizeof(struct sctp_prinfo));
1044 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
1045 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
1047 if (spa_info->sendv_flags & SCTP_SEND_AUTHINFO_VALID) {
1048 cmsg->cmsg_level = IPPROTO_SCTP;
1049 cmsg->cmsg_type = SCTP_AUTHINFO;
1050 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1051 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_authinfo, sizeof(struct sctp_authinfo));
1052 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1053 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1062 msg.msg_name = NULL;
1063 msg.msg_namelen = 0;
1065 for (i = 0; i < addrcnt; i++) {
1066 switch (addr->sa_family) {
1068 addr_len = (socklen_t) sizeof(struct sockaddr_in);
1069 addr_in = (struct sockaddr_in *)addr;
1070 if (addr_in->sin_len != addr_len) {
1076 port = addr_in->sin_port;
1078 if (port == addr_in->sin_port) {
1079 cmsg->cmsg_level = IPPROTO_SCTP;
1080 cmsg->cmsg_type = SCTP_DSTADDRV4;
1081 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr));
1082 memcpy(CMSG_DATA(cmsg), &addr_in->sin_addr, sizeof(struct in_addr));
1083 msg.msg_controllen += CMSG_SPACE(sizeof(struct in_addr));
1084 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in_addr)));
1093 addr_len = (socklen_t) sizeof(struct sockaddr_in6);
1094 addr_in6 = (struct sockaddr_in6 *)addr;
1095 if (addr_in6->sin6_len != addr_len) {
1101 port = addr_in6->sin6_port;
1103 if (port == addr_in6->sin6_port) {
1104 cmsg->cmsg_level = IPPROTO_SCTP;
1105 cmsg->cmsg_type = SCTP_DSTADDRV6;
1106 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_addr));
1107 memcpy(CMSG_DATA(cmsg), &addr_in6->sin6_addr, sizeof(struct in6_addr));
1108 msg.msg_controllen += CMSG_SPACE(sizeof(struct in6_addr));
1109 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in6_addr)));
1123 msg.msg_name = addr;
1124 msg.msg_namelen = addr_len;
1126 addr = (struct sockaddr *)((caddr_t)addr + addr_len);
1128 if (msg.msg_controllen == 0) {
1129 msg.msg_control = NULL;
1131 msg.msg_iov = (struct iovec *)iov;
1132 msg.msg_iovlen = iovcnt;
1134 ret = sendmsg(sd, &msg, flags);
1140 #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1143 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1145 /* NOT supported, return invalid sd */
1151 #if defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1153 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1155 return (syscall(SYS_sctp_peeloff, sd, assoc_id));
1160 #undef SCTP_CONTROL_VEC_SIZE_RCV