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;
354 ((struct sctp_assoc_value *)arg)->assoc_id = id;
356 case SCTP_ENABLE_STREAM_RESET:
357 ((struct sctp_assoc_value *)arg)->assoc_id = id;
362 return (getsockopt(sd, IPPROTO_SCTP, opt, arg, size));
366 sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
368 struct sctp_getaddresses *addrs;
375 if (raddrs == NULL) {
380 opt_len = (socklen_t) sizeof(sctp_assoc_t);
381 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE,
382 &asoc, &opt_len) != 0) {
385 /* size required is returned in 'asoc' */
386 opt_len = (socklen_t) ((size_t)asoc + sizeof(struct sctp_getaddresses));
387 addrs = calloc(1, (size_t)opt_len);
392 addrs->sget_assoc_id = id;
393 /* Now lets get the array of addresses */
394 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES,
395 addrs, &opt_len) != 0) {
399 *raddrs = (struct sockaddr *)&addrs->addr[0];
401 sa = (struct sockaddr *)&addrs->addr[0];
402 lim = (caddr_t)addrs + opt_len;
403 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
404 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
411 sctp_freepaddrs(struct sockaddr *addrs)
415 /* Take away the hidden association id */
416 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
422 sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
424 struct sctp_getaddresses *addrs;
427 size_t size_of_addresses;
431 if (raddrs == NULL) {
435 size_of_addresses = 0;
436 opt_len = (socklen_t) sizeof(int);
437 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE,
438 &size_of_addresses, &opt_len) != 0) {
442 if (size_of_addresses == 0) {
446 opt_len = (socklen_t) (size_of_addresses +
447 sizeof(struct sockaddr_storage) +
448 sizeof(struct sctp_getaddresses));
449 addrs = calloc(1, (size_t)opt_len);
454 addrs->sget_assoc_id = id;
455 /* Now lets get the array of addresses */
456 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
462 *raddrs = (struct sockaddr *)&addrs->addr[0];
464 sa = (struct sockaddr *)&addrs->addr[0];
465 lim = (caddr_t)addrs + opt_len;
466 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
467 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
474 sctp_freeladdrs(struct sockaddr *addrs)
478 /* Take away the hidden association id */
479 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
488 const struct sockaddr *to,
496 #ifdef SYS_sctp_generic_sendmsg
497 struct sctp_sndrcvinfo sinfo;
499 memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
500 sinfo.sinfo_ppid = ppid;
501 sinfo.sinfo_flags = flags;
502 sinfo.sinfo_stream = stream_no;
503 sinfo.sinfo_timetolive = timetolive;
504 sinfo.sinfo_context = context;
505 sinfo.sinfo_assoc_id = 0;
506 return (syscall(SYS_sctp_generic_sendmsg, s,
507 data, len, to, tolen, &sinfo, 0));
510 struct sctp_sndrcvinfo *sinfo;
512 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
513 struct cmsghdr *cmsg;
514 struct sockaddr *who = NULL;
516 struct sockaddr_in in;
517 struct sockaddr_in6 in6;
521 ((to == NULL) || (tolen < sizeof(struct sockaddr)))) {
525 if ((to != NULL) && (tolen > 0)) {
526 switch (to->sa_family) {
528 if (tolen != sizeof(struct sockaddr_in)) {
532 if ((to->sa_len > 0) &&
533 (to->sa_len != sizeof(struct sockaddr_in))) {
537 memcpy(&addr, to, sizeof(struct sockaddr_in));
538 addr.in.sin_len = sizeof(struct sockaddr_in);
541 if (tolen != sizeof(struct sockaddr_in6)) {
545 if ((to->sa_len > 0) &&
546 (to->sa_len != sizeof(struct sockaddr_in6))) {
550 memcpy(&addr, to, sizeof(struct sockaddr_in6));
551 addr.in6.sin6_len = sizeof(struct sockaddr_in6);
554 errno = EAFNOSUPPORT;
557 who = (struct sockaddr *)&addr;
559 iov.iov_base = (char *)data;
563 msg.msg_name = (caddr_t)who;
564 msg.msg_namelen = who->sa_len;
566 msg.msg_name = (caddr_t)NULL;
571 msg.msg_control = cmsgbuf;
572 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
573 cmsg = (struct cmsghdr *)cmsgbuf;
574 cmsg->cmsg_level = IPPROTO_SCTP;
575 cmsg->cmsg_type = SCTP_SNDRCV;
576 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
577 sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
578 sinfo->sinfo_stream = stream_no;
579 sinfo->sinfo_ssn = 0;
580 sinfo->sinfo_flags = flags;
581 sinfo->sinfo_ppid = ppid;
582 sinfo->sinfo_context = context;
583 sinfo->sinfo_assoc_id = 0;
584 sinfo->sinfo_timetolive = timetolive;
585 return (sendmsg(s, &msg, 0));
591 sctp_getassocid(int sd, struct sockaddr *sa)
593 struct sctp_paddrinfo sp;
596 /* First get the assoc id */
598 memset(&sp, 0, sizeof(sp));
599 memcpy((caddr_t)&sp.spinfo_address, sa, sa->sa_len);
600 if (getsockopt(sd, IPPROTO_SCTP,
601 SCTP_GET_PEER_ADDR_INFO, &sp, &siz) != 0) {
602 /* We depend on the fact that 0 can never be returned */
603 return ((sctp_assoc_t) 0);
605 return (sp.spinfo_assoc_id);
609 sctp_send(int sd, const void *data, size_t len,
610 const struct sctp_sndrcvinfo *sinfo,
614 #ifdef SYS_sctp_generic_sendmsg
615 struct sockaddr *to = NULL;
617 return (syscall(SYS_sctp_generic_sendmsg, sd,
618 data, len, to, 0, sinfo, flags));
622 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
623 struct cmsghdr *cmsg;
629 iov.iov_base = (char *)data;
636 msg.msg_control = cmsgbuf;
637 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
638 cmsg = (struct cmsghdr *)cmsgbuf;
639 cmsg->cmsg_level = IPPROTO_SCTP;
640 cmsg->cmsg_type = SCTP_SNDRCV;
641 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
642 memcpy(CMSG_DATA(cmsg), sinfo, sizeof(struct sctp_sndrcvinfo));
643 return (sendmsg(sd, &msg, flags));
650 sctp_sendx(int sd, const void *msg, size_t msg_len,
651 struct sockaddr *addrs, int addrcnt,
652 struct sctp_sndrcvinfo *sinfo,
655 struct sctp_sndrcvinfo __sinfo;
657 int i, cnt, *aa, saved_errno;
667 #ifdef SYS_sctp_generic_sendmsg
672 * Quick way, we don't need to do a connectx so lets use the
676 return (syscall(SYS_sctp_generic_sendmsg, sd,
677 msg, msg_len, addrs, l, sinfo, flags));
684 /* validate all the addresses and get the size */
685 for (i = 0; i < addrcnt; i++) {
686 if (at->sa_family == AF_INET) {
687 add_len = sizeof(struct sockaddr_in);
688 } else if (at->sa_family == AF_INET6) {
689 add_len = sizeof(struct sockaddr_in6);
695 at = (struct sockaddr *)((caddr_t)at + add_len);
698 /* do we have any? */
711 memcpy((caddr_t)aa, addrs, (size_t)(len - sizeof(int)));
712 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_DELAYED, (void *)buf,
717 if (errno == EALREADY) {
726 memset(&__sinfo, 0, sizeof(__sinfo));
728 sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs);
729 if (sinfo->sinfo_assoc_id == 0) {
730 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
731 (socklen_t) addrs->sa_len);
735 ret = sctp_send(sd, msg, msg_len, sinfo, flags);
738 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
739 (socklen_t) addrs->sa_len);
746 sctp_sendmsgx(int sd,
749 struct sockaddr *addrs,
757 struct sctp_sndrcvinfo sinfo;
759 memset((void *)&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
760 sinfo.sinfo_ppid = ppid;
761 sinfo.sinfo_flags = flags;
762 sinfo.sinfo_ssn = stream_no;
763 sinfo.sinfo_timetolive = timetolive;
764 sinfo.sinfo_context = context;
765 return (sctp_sendx(sd, msg, len, addrs, addrcnt, &sinfo, 0));
772 struct sockaddr *from,
774 struct sctp_sndrcvinfo *sinfo,
777 #ifdef SYS_sctp_generic_recvmsg
782 return (syscall(SYS_sctp_generic_recvmsg, s,
783 &iov, 1, from, fromlen, sinfo, msg_flags));
788 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
789 struct cmsghdr *cmsg;
791 if (msg_flags == NULL) {
798 msg.msg_name = (caddr_t)from;
802 msg.msg_namelen = *fromlen;
805 msg.msg_control = cmsgbuf;
806 msg.msg_controllen = sizeof(cmsgbuf);
807 sz = recvmsg(s, &msg, *msg_flags);
808 *msg_flags = msg.msg_flags;
813 sinfo->sinfo_assoc_id = 0;
815 if ((msg.msg_controllen > 0) && (sinfo != NULL)) {
817 * parse through and see if we find the sctp_sndrcvinfo (if
818 * the user wants it).
820 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
821 if (cmsg->cmsg_level != IPPROTO_SCTP) {
824 if (cmsg->cmsg_type == SCTP_SNDRCV) {
825 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_sndrcvinfo));
828 if (cmsg->cmsg_type == SCTP_EXTRCV) {
830 * Let's hope that the user provided enough
831 * enough memory. At least he asked for more
834 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_extrcvinfo));
845 const struct iovec *iov,
847 struct sockaddr *from,
851 unsigned int *infotype,
854 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
856 struct cmsghdr *cmsg;
858 struct sctp_rcvinfo *rcvinfo;
859 struct sctp_nxtinfo *nxtinfo;
861 if (((info != NULL) && (infolen == NULL)) |
862 ((info == NULL) && (infolen != NULL) && (*infolen != 0)) ||
863 ((info != NULL) && (infotype == NULL))) {
868 *infotype = SCTP_RECVV_NOINFO;
871 if (fromlen == NULL) {
874 msg.msg_namelen = *fromlen;
876 msg.msg_iov = (struct iovec *)iov;
877 msg.msg_iovlen = iovlen;
878 msg.msg_control = cmsgbuf;
879 msg.msg_controllen = sizeof(cmsgbuf);
880 ret = recvmsg(sd, &msg, *flags);
881 *flags = msg.msg_flags;
883 (msg.msg_controllen > 0) &&
884 (infotype != NULL) &&
889 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
890 if (cmsg->cmsg_level != IPPROTO_SCTP) {
893 if (cmsg->cmsg_type == SCTP_RCVINFO) {
894 rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
895 if (nxtinfo != NULL) {
901 if (cmsg->cmsg_type == SCTP_NXTINFO) {
902 nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg);
903 if (rcvinfo != NULL) {
910 if (rcvinfo != NULL) {
911 if ((nxtinfo != NULL) && (*infolen >= sizeof(struct sctp_recvv_rn))) {
912 struct sctp_recvv_rn *rn_info;
914 rn_info = (struct sctp_recvv_rn *)info;
915 rn_info->recvv_rcvinfo = *rcvinfo;
916 rn_info->recvv_nxtinfo = *nxtinfo;
917 *infolen = (socklen_t) sizeof(struct sctp_recvv_rn);
918 *infotype = SCTP_RECVV_RN;
919 } else if (*infolen >= sizeof(struct sctp_rcvinfo)) {
920 memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo));
921 *infolen = (socklen_t) sizeof(struct sctp_rcvinfo);
922 *infotype = SCTP_RECVV_RCVINFO;
924 } else if (nxtinfo != NULL) {
925 if (*infolen >= sizeof(struct sctp_nxtinfo)) {
926 memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo));
927 *infolen = (socklen_t) sizeof(struct sctp_nxtinfo);
928 *infotype = SCTP_RECVV_NXTINFO;
937 const struct iovec *iov, int iovcnt,
938 struct sockaddr *addrs, int addrcnt,
939 void *info, socklen_t infolen, unsigned int infotype,
947 struct sctp_sendv_spa *spa_info;
948 struct cmsghdr *cmsg;
950 struct sockaddr *addr;
951 struct sockaddr_in *addr_in;
952 struct sockaddr_in6 *addr_in6;
956 ((addrs == NULL) && (addrcnt > 0)) ||
957 ((addrs != NULL) && (addrcnt == 0)) ||
958 ((iov == NULL) && (iovcnt > 0)) ||
959 ((iov != NULL) && (iovcnt == 0))) {
963 cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) +
964 CMSG_SPACE(sizeof(struct sctp_prinfo)) +
965 CMSG_SPACE(sizeof(struct sctp_authinfo)) +
966 (size_t)addrcnt * CMSG_SPACE(sizeof(struct in6_addr)));
967 if (cmsgbuf == NULL) {
971 msg.msg_control = cmsgbuf;
972 msg.msg_controllen = 0;
973 cmsg = (struct cmsghdr *)cmsgbuf;
975 case SCTP_SENDV_NOINFO:
976 if ((infolen != 0) || (info != NULL)) {
982 case SCTP_SENDV_SNDINFO:
983 if ((info == NULL) || (infolen < sizeof(struct sctp_sndinfo))) {
988 cmsg->cmsg_level = IPPROTO_SCTP;
989 cmsg->cmsg_type = SCTP_SNDINFO;
990 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
991 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_sndinfo));
992 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
993 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
995 case SCTP_SENDV_PRINFO:
996 if ((info == NULL) || (infolen < sizeof(struct sctp_prinfo))) {
1001 cmsg->cmsg_level = IPPROTO_SCTP;
1002 cmsg->cmsg_type = SCTP_PRINFO;
1003 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
1004 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_prinfo));
1005 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
1006 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
1008 case SCTP_SENDV_AUTHINFO:
1009 if ((info == NULL) || (infolen < sizeof(struct sctp_authinfo))) {
1014 cmsg->cmsg_level = IPPROTO_SCTP;
1015 cmsg->cmsg_type = SCTP_AUTHINFO;
1016 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1017 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_authinfo));
1018 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1019 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1021 case SCTP_SENDV_SPA:
1022 if ((info == NULL) || (infolen < sizeof(struct sctp_sendv_spa))) {
1027 spa_info = (struct sctp_sendv_spa *)info;
1028 if (spa_info->sendv_flags & SCTP_SEND_SNDINFO_VALID) {
1029 cmsg->cmsg_level = IPPROTO_SCTP;
1030 cmsg->cmsg_type = SCTP_SNDINFO;
1031 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
1032 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_sndinfo, sizeof(struct sctp_sndinfo));
1033 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
1034 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
1036 if (spa_info->sendv_flags & SCTP_SEND_PRINFO_VALID) {
1037 cmsg->cmsg_level = IPPROTO_SCTP;
1038 cmsg->cmsg_type = SCTP_PRINFO;
1039 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
1040 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_prinfo, sizeof(struct sctp_prinfo));
1041 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
1042 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
1044 if (spa_info->sendv_flags & SCTP_SEND_AUTHINFO_VALID) {
1045 cmsg->cmsg_level = IPPROTO_SCTP;
1046 cmsg->cmsg_type = SCTP_AUTHINFO;
1047 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1048 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_authinfo, sizeof(struct sctp_authinfo));
1049 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1050 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1059 msg.msg_name = NULL;
1060 msg.msg_namelen = 0;
1062 for (i = 0; i < addrcnt; i++) {
1063 switch (addr->sa_family) {
1065 addr_len = (socklen_t) sizeof(struct sockaddr_in);
1066 addr_in = (struct sockaddr_in *)addr;
1067 if (addr_in->sin_len != addr_len) {
1073 port = addr_in->sin_port;
1075 if (port == addr_in->sin_port) {
1076 cmsg->cmsg_level = IPPROTO_SCTP;
1077 cmsg->cmsg_type = SCTP_DSTADDRV4;
1078 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr));
1079 memcpy(CMSG_DATA(cmsg), &addr_in->sin_addr, sizeof(struct in_addr));
1080 msg.msg_controllen += CMSG_SPACE(sizeof(struct in_addr));
1081 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in_addr)));
1090 addr_len = (socklen_t) sizeof(struct sockaddr_in6);
1091 addr_in6 = (struct sockaddr_in6 *)addr;
1092 if (addr_in6->sin6_len != addr_len) {
1098 port = addr_in6->sin6_port;
1100 if (port == addr_in6->sin6_port) {
1101 cmsg->cmsg_level = IPPROTO_SCTP;
1102 cmsg->cmsg_type = SCTP_DSTADDRV6;
1103 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_addr));
1104 memcpy(CMSG_DATA(cmsg), &addr_in6->sin6_addr, sizeof(struct in6_addr));
1105 msg.msg_controllen += CMSG_SPACE(sizeof(struct in6_addr));
1106 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in6_addr)));
1120 msg.msg_name = addr;
1121 msg.msg_namelen = addr_len;
1123 addr = (struct sockaddr *)((caddr_t)addr + addr_len);
1125 if (msg.msg_controllen == 0) {
1126 msg.msg_control = NULL;
1128 msg.msg_iov = (struct iovec *)iov;
1129 msg.msg_iovlen = iovcnt;
1131 ret = sendmsg(sd, &msg, flags);
1137 #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1140 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1142 /* NOT supported, return invalid sd */
1148 #if defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1150 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1152 return (syscall(SYS_sctp_peeloff, sd, assoc_id));
1157 #undef SCTP_CONTROL_VEC_SIZE_RCV