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. */
239 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
242 * Now if there was a port mentioned, assure that the first address
243 * has that port to make sure it fails or succeeds correctly.
246 sin = (struct sockaddr_in *)sa;
247 sin->sin_port = sport;
249 argsz = sizeof(struct sctp_getaddresses) +
250 sizeof(struct sockaddr_storage);
251 if ((gaddrs = (struct sctp_getaddresses *)malloc(argsz)) == NULL) {
256 for (i = 0; i < addrcnt; i++) {
257 memset(gaddrs, 0, argsz);
258 gaddrs->sget_assoc_id = 0;
259 memcpy(gaddrs->addr, sa, sa->sa_len);
260 if (setsockopt(sd, IPPROTO_SCTP, flags, gaddrs,
261 (socklen_t) argsz) != 0) {
265 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
272 sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size)
278 if ((id == SCTP_CURRENT_ASSOC) ||
279 (id == SCTP_ALL_ASSOC)) {
285 ((struct sctp_rtoinfo *)arg)->srto_assoc_id = id;
288 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id;
290 case SCTP_DEFAULT_SEND_PARAM:
291 ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id;
293 case SCTP_PRIMARY_ADDR:
294 ((struct sctp_setprim *)arg)->ssp_assoc_id = id;
296 case SCTP_PEER_ADDR_PARAMS:
297 ((struct sctp_paddrparams *)arg)->spp_assoc_id = id;
300 ((struct sctp_assoc_value *)arg)->assoc_id = id;
303 ((struct sctp_authkey *)arg)->sca_assoc_id = id;
305 case SCTP_AUTH_ACTIVE_KEY:
306 ((struct sctp_authkeyid *)arg)->scact_assoc_id = id;
308 case SCTP_DELAYED_SACK:
309 ((struct sctp_sack_info *)arg)->sack_assoc_id = id;
312 ((struct sctp_assoc_value *)arg)->assoc_id = id;
315 ((struct sctp_status *)arg)->sstat_assoc_id = id;
317 case SCTP_GET_PEER_ADDR_INFO:
318 ((struct sctp_paddrinfo *)arg)->spinfo_assoc_id = id;
320 case SCTP_PEER_AUTH_CHUNKS:
321 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id;
323 case SCTP_LOCAL_AUTH_CHUNKS:
324 ((struct sctp_authchunks *)arg)->gauth_assoc_id = id;
327 ((struct sctp_timeouts *)arg)->stimo_assoc_id = id;
330 ((struct sctp_event *)arg)->se_assoc_id = id;
332 case SCTP_DEFAULT_SNDINFO:
333 ((struct sctp_sndinfo *)arg)->snd_assoc_id = id;
335 case SCTP_DEFAULT_PRINFO:
336 ((struct sctp_default_prinfo *)arg)->pr_assoc_id = id;
338 case SCTP_PEER_ADDR_THLDS:
339 ((struct sctp_paddrthlds *)arg)->spt_assoc_id = id;
341 case SCTP_REMOTE_UDP_ENCAPS_PORT:
342 ((struct sctp_udpencaps *)arg)->sue_assoc_id = id;
345 ((struct sctp_assoc_value *)arg)->assoc_id = id;
347 case SCTP_ENABLE_STREAM_RESET:
348 ((struct sctp_assoc_value *)arg)->assoc_id = id;
353 return (getsockopt(sd, IPPROTO_SCTP, opt, arg, size));
357 sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
359 struct sctp_getaddresses *addrs;
366 if (raddrs == NULL) {
371 opt_len = (socklen_t) sizeof(sctp_assoc_t);
372 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE,
373 &asoc, &opt_len) != 0) {
376 /* size required is returned in 'asoc' */
377 opt_len = (socklen_t) ((size_t)asoc + sizeof(struct sctp_getaddresses));
378 addrs = calloc(1, (size_t)opt_len);
383 addrs->sget_assoc_id = id;
384 /* Now lets get the array of addresses */
385 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES,
386 addrs, &opt_len) != 0) {
390 *raddrs = (struct sockaddr *)&addrs->addr[0];
392 sa = (struct sockaddr *)&addrs->addr[0];
393 lim = (caddr_t)addrs + opt_len;
394 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
395 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
402 sctp_freepaddrs(struct sockaddr *addrs)
406 /* Take away the hidden association id */
407 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
413 sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
415 struct sctp_getaddresses *addrs;
418 size_t size_of_addresses;
422 if (raddrs == NULL) {
426 size_of_addresses = 0;
427 opt_len = (socklen_t) sizeof(int);
428 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE,
429 &size_of_addresses, &opt_len) != 0) {
433 if (size_of_addresses == 0) {
437 opt_len = (socklen_t) (size_of_addresses +
438 sizeof(struct sockaddr_storage) +
439 sizeof(struct sctp_getaddresses));
440 addrs = calloc(1, (size_t)opt_len);
445 addrs->sget_assoc_id = id;
446 /* Now lets get the array of addresses */
447 if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
453 *raddrs = (struct sockaddr *)&addrs->addr[0];
455 sa = (struct sockaddr *)&addrs->addr[0];
456 lim = (caddr_t)addrs + opt_len;
457 while (((caddr_t)sa < lim) && (sa->sa_len > 0)) {
458 sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len);
465 sctp_freeladdrs(struct sockaddr *addrs)
469 /* Take away the hidden association id */
470 fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t));
479 const struct sockaddr *to,
487 #ifdef SYS_sctp_generic_sendmsg
488 struct sctp_sndrcvinfo sinfo;
490 memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
491 sinfo.sinfo_ppid = ppid;
492 sinfo.sinfo_flags = flags;
493 sinfo.sinfo_stream = stream_no;
494 sinfo.sinfo_timetolive = timetolive;
495 sinfo.sinfo_context = context;
496 sinfo.sinfo_assoc_id = 0;
497 return (syscall(SYS_sctp_generic_sendmsg, s,
498 data, len, to, tolen, &sinfo, 0));
501 struct sctp_sndrcvinfo *sinfo;
503 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
504 struct cmsghdr *cmsg;
505 struct sockaddr *who = NULL;
507 struct sockaddr_in in;
508 struct sockaddr_in6 in6;
512 ((to == NULL) || (tolen < sizeof(struct sockaddr)))) {
516 if ((to != NULL) && (tolen > 0)) {
517 switch (to->sa_family) {
519 if (tolen != sizeof(struct sockaddr_in)) {
523 if ((to->sa_len > 0) &&
524 (to->sa_len != sizeof(struct sockaddr_in))) {
528 memcpy(&addr, to, sizeof(struct sockaddr_in));
529 addr.in.sin_len = sizeof(struct sockaddr_in);
532 if (tolen != sizeof(struct sockaddr_in6)) {
536 if ((to->sa_len > 0) &&
537 (to->sa_len != sizeof(struct sockaddr_in6))) {
541 memcpy(&addr, to, sizeof(struct sockaddr_in6));
542 addr.in6.sin6_len = sizeof(struct sockaddr_in6);
545 errno = EAFNOSUPPORT;
548 who = (struct sockaddr *)&addr;
550 iov.iov_base = (char *)data;
554 msg.msg_name = (caddr_t)who;
555 msg.msg_namelen = who->sa_len;
557 msg.msg_name = (caddr_t)NULL;
562 msg.msg_control = cmsgbuf;
563 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
564 cmsg = (struct cmsghdr *)cmsgbuf;
565 cmsg->cmsg_level = IPPROTO_SCTP;
566 cmsg->cmsg_type = SCTP_SNDRCV;
567 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
568 sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
569 sinfo->sinfo_stream = stream_no;
570 sinfo->sinfo_ssn = 0;
571 sinfo->sinfo_flags = flags;
572 sinfo->sinfo_ppid = ppid;
573 sinfo->sinfo_context = context;
574 sinfo->sinfo_assoc_id = 0;
575 sinfo->sinfo_timetolive = timetolive;
576 return (sendmsg(s, &msg, 0));
582 sctp_getassocid(int sd, struct sockaddr *sa)
584 struct sctp_paddrinfo sp;
587 /* First get the assoc id */
589 memset(&sp, 0, sizeof(sp));
590 memcpy((caddr_t)&sp.spinfo_address, sa, sa->sa_len);
591 if (getsockopt(sd, IPPROTO_SCTP,
592 SCTP_GET_PEER_ADDR_INFO, &sp, &siz) != 0) {
593 /* We depend on the fact that 0 can never be returned */
594 return ((sctp_assoc_t) 0);
596 return (sp.spinfo_assoc_id);
600 sctp_send(int sd, const void *data, size_t len,
601 const struct sctp_sndrcvinfo *sinfo,
605 #ifdef SYS_sctp_generic_sendmsg
606 struct sockaddr *to = NULL;
608 return (syscall(SYS_sctp_generic_sendmsg, sd,
609 data, len, to, 0, sinfo, flags));
613 char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
614 struct cmsghdr *cmsg;
620 iov.iov_base = (char *)data;
627 msg.msg_control = cmsgbuf;
628 msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
629 cmsg = (struct cmsghdr *)cmsgbuf;
630 cmsg->cmsg_level = IPPROTO_SCTP;
631 cmsg->cmsg_type = SCTP_SNDRCV;
632 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
633 memcpy(CMSG_DATA(cmsg), sinfo, sizeof(struct sctp_sndrcvinfo));
634 return (sendmsg(sd, &msg, flags));
641 sctp_sendx(int sd, const void *msg, size_t msg_len,
642 struct sockaddr *addrs, int addrcnt,
643 struct sctp_sndrcvinfo *sinfo,
646 struct sctp_sndrcvinfo __sinfo;
648 int i, cnt, *aa, saved_errno;
658 #ifdef SYS_sctp_generic_sendmsg
663 * Quick way, we don't need to do a connectx so lets use the
667 return (syscall(SYS_sctp_generic_sendmsg, sd,
668 msg, msg_len, addrs, l, sinfo, flags));
675 /* validate all the addresses and get the size */
676 for (i = 0; i < addrcnt; i++) {
677 if (at->sa_family == AF_INET) {
678 add_len = sizeof(struct sockaddr_in);
679 } else if (at->sa_family == AF_INET6) {
680 add_len = sizeof(struct sockaddr_in6);
686 at = (struct sockaddr *)((caddr_t)at + add_len);
689 /* do we have any? */
702 memcpy((caddr_t)aa, addrs, (size_t)(len - sizeof(int)));
703 ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_DELAYED, (void *)buf,
708 if (errno == EALREADY) {
717 memset(&__sinfo, 0, sizeof(__sinfo));
719 sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs);
720 if (sinfo->sinfo_assoc_id == 0) {
721 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
722 (socklen_t) addrs->sa_len);
726 ret = sctp_send(sd, msg, msg_len, sinfo, flags);
729 (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs,
730 (socklen_t) addrs->sa_len);
737 sctp_sendmsgx(int sd,
740 struct sockaddr *addrs,
748 struct sctp_sndrcvinfo sinfo;
750 memset((void *)&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
751 sinfo.sinfo_ppid = ppid;
752 sinfo.sinfo_flags = flags;
753 sinfo.sinfo_ssn = stream_no;
754 sinfo.sinfo_timetolive = timetolive;
755 sinfo.sinfo_context = context;
756 return (sctp_sendx(sd, msg, len, addrs, addrcnt, &sinfo, 0));
763 struct sockaddr *from,
765 struct sctp_sndrcvinfo *sinfo,
768 #ifdef SYS_sctp_generic_recvmsg
773 return (syscall(SYS_sctp_generic_recvmsg, s,
774 &iov, 1, from, fromlen, sinfo, msg_flags));
779 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
780 struct cmsghdr *cmsg;
782 if (msg_flags == NULL) {
789 msg.msg_name = (caddr_t)from;
793 msg.msg_namelen = *fromlen;
796 msg.msg_control = cmsgbuf;
797 msg.msg_controllen = sizeof(cmsgbuf);
798 sz = recvmsg(s, &msg, *msg_flags);
799 *msg_flags = msg.msg_flags;
804 sinfo->sinfo_assoc_id = 0;
806 if ((msg.msg_controllen > 0) && (sinfo != NULL)) {
808 * parse through and see if we find the sctp_sndrcvinfo (if
809 * the user wants it).
811 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
812 if (cmsg->cmsg_level != IPPROTO_SCTP) {
815 if (cmsg->cmsg_type == SCTP_SNDRCV) {
816 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_sndrcvinfo));
819 if (cmsg->cmsg_type == SCTP_EXTRCV) {
821 * Let's hope that the user provided enough
822 * enough memory. At least he asked for more
825 memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_extrcvinfo));
836 const struct iovec *iov,
838 struct sockaddr *from,
842 unsigned int *infotype,
845 char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV];
847 struct cmsghdr *cmsg;
849 struct sctp_rcvinfo *rcvinfo;
850 struct sctp_nxtinfo *nxtinfo;
852 if (((info != NULL) && (infolen == NULL)) |
853 ((info == NULL) && (infolen != NULL) && (*infolen != 0)) ||
854 ((info != NULL) && (infotype == NULL))) {
859 *infotype = SCTP_RECVV_NOINFO;
862 if (fromlen == NULL) {
865 msg.msg_namelen = *fromlen;
867 msg.msg_iov = (struct iovec *)iov;
868 msg.msg_iovlen = iovlen;
869 msg.msg_control = cmsgbuf;
870 msg.msg_controllen = sizeof(cmsgbuf);
871 ret = recvmsg(sd, &msg, *flags);
872 *flags = msg.msg_flags;
874 (msg.msg_controllen > 0) &&
875 (infotype != NULL) &&
880 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
881 if (cmsg->cmsg_level != IPPROTO_SCTP) {
884 if (cmsg->cmsg_type == SCTP_RCVINFO) {
885 rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
886 if (nxtinfo != NULL) {
892 if (cmsg->cmsg_type == SCTP_NXTINFO) {
893 nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg);
894 if (rcvinfo != NULL) {
901 if (rcvinfo != NULL) {
902 if ((nxtinfo != NULL) && (*infolen >= sizeof(struct sctp_recvv_rn))) {
903 struct sctp_recvv_rn *rn_info;
905 rn_info = (struct sctp_recvv_rn *)info;
906 rn_info->recvv_rcvinfo = *rcvinfo;
907 rn_info->recvv_nxtinfo = *nxtinfo;
908 *infolen = (socklen_t) sizeof(struct sctp_recvv_rn);
909 *infotype = SCTP_RECVV_RN;
910 } else if (*infolen >= sizeof(struct sctp_rcvinfo)) {
911 memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo));
912 *infolen = (socklen_t) sizeof(struct sctp_rcvinfo);
913 *infotype = SCTP_RECVV_RCVINFO;
915 } else if (nxtinfo != NULL) {
916 if (*infolen >= sizeof(struct sctp_nxtinfo)) {
917 memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo));
918 *infolen = (socklen_t) sizeof(struct sctp_nxtinfo);
919 *infotype = SCTP_RECVV_NXTINFO;
928 const struct iovec *iov, int iovcnt,
929 struct sockaddr *addrs, int addrcnt,
930 void *info, socklen_t infolen, unsigned int infotype,
938 struct sctp_sendv_spa *spa_info;
939 struct cmsghdr *cmsg;
941 struct sockaddr *addr;
942 struct sockaddr_in *addr_in;
943 struct sockaddr_in6 *addr_in6;
947 ((addrs == NULL) && (addrcnt > 0)) ||
948 ((addrs != NULL) && (addrcnt == 0)) ||
949 ((iov == NULL) && (iovcnt > 0)) ||
950 ((iov != NULL) && (iovcnt == 0))) {
954 cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) +
955 CMSG_SPACE(sizeof(struct sctp_prinfo)) +
956 CMSG_SPACE(sizeof(struct sctp_authinfo)) +
957 (size_t)addrcnt * CMSG_SPACE(sizeof(struct in6_addr)));
958 if (cmsgbuf == NULL) {
962 msg.msg_control = cmsgbuf;
963 msg.msg_controllen = 0;
964 cmsg = (struct cmsghdr *)cmsgbuf;
966 case SCTP_SENDV_NOINFO:
967 if ((infolen != 0) || (info != NULL)) {
973 case SCTP_SENDV_SNDINFO:
974 if ((info == NULL) || (infolen < sizeof(struct sctp_sndinfo))) {
979 cmsg->cmsg_level = IPPROTO_SCTP;
980 cmsg->cmsg_type = SCTP_SNDINFO;
981 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
982 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_sndinfo));
983 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
984 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
986 case SCTP_SENDV_PRINFO:
987 if ((info == NULL) || (infolen < sizeof(struct sctp_prinfo))) {
992 cmsg->cmsg_level = IPPROTO_SCTP;
993 cmsg->cmsg_type = SCTP_PRINFO;
994 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
995 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_prinfo));
996 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
997 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
999 case SCTP_SENDV_AUTHINFO:
1000 if ((info == NULL) || (infolen < sizeof(struct sctp_authinfo))) {
1005 cmsg->cmsg_level = IPPROTO_SCTP;
1006 cmsg->cmsg_type = SCTP_AUTHINFO;
1007 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1008 memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_authinfo));
1009 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1010 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1012 case SCTP_SENDV_SPA:
1013 if ((info == NULL) || (infolen < sizeof(struct sctp_sendv_spa))) {
1018 spa_info = (struct sctp_sendv_spa *)info;
1019 if (spa_info->sendv_flags & SCTP_SEND_SNDINFO_VALID) {
1020 cmsg->cmsg_level = IPPROTO_SCTP;
1021 cmsg->cmsg_type = SCTP_SNDINFO;
1022 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
1023 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_sndinfo, sizeof(struct sctp_sndinfo));
1024 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
1025 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo)));
1027 if (spa_info->sendv_flags & SCTP_SEND_PRINFO_VALID) {
1028 cmsg->cmsg_level = IPPROTO_SCTP;
1029 cmsg->cmsg_type = SCTP_PRINFO;
1030 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
1031 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_prinfo, sizeof(struct sctp_prinfo));
1032 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
1033 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo)));
1035 if (spa_info->sendv_flags & SCTP_SEND_AUTHINFO_VALID) {
1036 cmsg->cmsg_level = IPPROTO_SCTP;
1037 cmsg->cmsg_type = SCTP_AUTHINFO;
1038 cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo));
1039 memcpy(CMSG_DATA(cmsg), &spa_info->sendv_authinfo, sizeof(struct sctp_authinfo));
1040 msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo));
1041 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo)));
1050 msg.msg_name = NULL;
1051 msg.msg_namelen = 0;
1053 for (i = 0; i < addrcnt; i++) {
1054 switch (addr->sa_family) {
1056 addr_len = (socklen_t) sizeof(struct sockaddr_in);
1057 addr_in = (struct sockaddr_in *)addr;
1058 if (addr_in->sin_len != addr_len) {
1064 port = addr_in->sin_port;
1066 if (port == addr_in->sin_port) {
1067 cmsg->cmsg_level = IPPROTO_SCTP;
1068 cmsg->cmsg_type = SCTP_DSTADDRV4;
1069 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr));
1070 memcpy(CMSG_DATA(cmsg), &addr_in->sin_addr, sizeof(struct in_addr));
1071 msg.msg_controllen += CMSG_SPACE(sizeof(struct in_addr));
1072 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in_addr)));
1081 addr_len = (socklen_t) sizeof(struct sockaddr_in6);
1082 addr_in6 = (struct sockaddr_in6 *)addr;
1083 if (addr_in6->sin6_len != addr_len) {
1089 port = addr_in6->sin6_port;
1091 if (port == addr_in6->sin6_port) {
1092 cmsg->cmsg_level = IPPROTO_SCTP;
1093 cmsg->cmsg_type = SCTP_DSTADDRV6;
1094 cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_addr));
1095 memcpy(CMSG_DATA(cmsg), &addr_in6->sin6_addr, sizeof(struct in6_addr));
1096 msg.msg_controllen += CMSG_SPACE(sizeof(struct in6_addr));
1097 cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in6_addr)));
1111 msg.msg_name = addr;
1112 msg.msg_namelen = addr_len;
1114 addr = (struct sockaddr *)((caddr_t)addr + addr_len);
1116 if (msg.msg_controllen == 0) {
1117 msg.msg_control = NULL;
1119 msg.msg_iov = (struct iovec *)iov;
1120 msg.msg_iovlen = iovcnt;
1122 ret = sendmsg(sd, &msg, flags);
1128 #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1131 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1133 /* NOT supported, return invalid sd */
1139 #if defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT)
1141 sctp_peeloff(int sd, sctp_assoc_t assoc_id)
1143 return (syscall(SYS_sctp_peeloff, sd, assoc_id));
1148 #undef SCTP_CONTROL_VEC_SIZE_RCV