Index: stable/11/lib/libc/net/sctp_sys_calls.c =================================================================== --- stable/11/lib/libc/net/sctp_sys_calls.c (revision 347663) +++ stable/11/lib/libc/net/sctp_sys_calls.c (revision 347664) @@ -1,1203 +1,1201 @@ /*- * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * a) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * b) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * c) Neither the name of Cisco Systems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef IN6_IS_ADDR_V4MAPPED #define IN6_IS_ADDR_V4MAPPED(a) \ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) #endif #define SCTP_CONTROL_VEC_SIZE_RCV 16384 static void in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6) { bzero(sin, sizeof(*sin)); sin->sin_len = sizeof(struct sockaddr_in); sin->sin_family = AF_INET; sin->sin_port = sin6->sin6_port; sin->sin_addr.s_addr = sin6->sin6_addr.__u6_addr.__u6_addr32[3]; } int sctp_getaddrlen(sa_family_t family) { int ret, sd; socklen_t siz; struct sctp_assoc_value av; av.assoc_value = family; siz = sizeof(av); #if defined(AF_INET) sd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); #elif defined(AF_INET6) sd = socket(AF_INET6, SOCK_SEQPACKET, IPPROTO_SCTP); #else sd = -1; #endif if (sd == -1) { return (-1); } ret = getsockopt(sd, IPPROTO_SCTP, SCTP_GET_ADDR_LEN, &av, &siz); close(sd); if (ret == 0) { return ((int)av.assoc_value); } else { return (-1); } } int sctp_connectx(int sd, const struct sockaddr *addrs, int addrcnt, sctp_assoc_t * id) { char *buf; int i, ret, *aa; char *cpto; const struct sockaddr *at; size_t len; /* validate the address count and list */ if ((addrs == NULL) || (addrcnt <= 0)) { errno = EINVAL; return (-1); } if ((buf = malloc(sizeof(int) + (size_t)addrcnt * sizeof(struct sockaddr_in6))) == NULL) { errno = E2BIG; return (-1); } len = sizeof(int); at = addrs; cpto = buf + sizeof(int); /* validate all the addresses and get the size */ for (i = 0; i < addrcnt; i++) { switch (at->sa_family) { case AF_INET: if (at->sa_len != sizeof(struct sockaddr_in)) { free(buf); errno = EINVAL; return (-1); } memcpy(cpto, at, sizeof(struct sockaddr_in)); cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in)); len += sizeof(struct sockaddr_in); break; case AF_INET6: if (at->sa_len != sizeof(struct sockaddr_in6)) { free(buf); errno = EINVAL; return (-1); } if (IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)at)->sin6_addr)) { in6_sin6_2_sin((struct sockaddr_in *)cpto, (struct sockaddr_in6 *)at); cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in)); len += sizeof(struct sockaddr_in); } else { memcpy(cpto, at, sizeof(struct sockaddr_in6)); cpto = ((caddr_t)cpto + sizeof(struct sockaddr_in6)); len += sizeof(struct sockaddr_in6); } break; default: free(buf); errno = EINVAL; return (-1); } at = (struct sockaddr *)((caddr_t)at + at->sa_len); } aa = (int *)buf; *aa = addrcnt; ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X, (void *)buf, (socklen_t) len); if ((ret == 0) && (id != NULL)) { *id = *(sctp_assoc_t *) buf; } free(buf); return (ret); } int sctp_bindx(int sd, struct sockaddr *addrs, int addrcnt, int flags) { struct sctp_getaddresses *gaddrs; struct sockaddr *sa; struct sockaddr_in *sin; struct sockaddr_in6 *sin6; int i; size_t argsz; uint16_t sport = 0; /* validate the flags */ if ((flags != SCTP_BINDX_ADD_ADDR) && (flags != SCTP_BINDX_REM_ADDR)) { errno = EFAULT; return (-1); } /* validate the address count and list */ if ((addrcnt <= 0) || (addrs == NULL)) { errno = EINVAL; return (-1); } /* First pre-screen the addresses */ sa = addrs; for (i = 0; i < addrcnt; i++) { switch (sa->sa_family) { case AF_INET: if (sa->sa_len != sizeof(struct sockaddr_in)) { errno = EINVAL; return (-1); } sin = (struct sockaddr_in *)sa; if (sin->sin_port) { /* non-zero port, check or save */ if (sport) { /* Check against our port */ if (sport != sin->sin_port) { errno = EINVAL; return (-1); } } else { /* save off the port */ sport = sin->sin_port; } } break; case AF_INET6: if (sa->sa_len != sizeof(struct sockaddr_in6)) { errno = EINVAL; return (-1); } sin6 = (struct sockaddr_in6 *)sa; if (sin6->sin6_port) { /* non-zero port, check or save */ if (sport) { /* Check against our port */ if (sport != sin6->sin6_port) { errno = EINVAL; return (-1); } } else { /* save off the port */ sport = sin6->sin6_port; } } break; default: /* Invalid address family specified. */ errno = EAFNOSUPPORT; return (-1); } sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); } argsz = sizeof(struct sctp_getaddresses) + sizeof(struct sockaddr_storage); if ((gaddrs = (struct sctp_getaddresses *)malloc(argsz)) == NULL) { errno = ENOMEM; return (-1); } sa = addrs; for (i = 0; i < addrcnt; i++) { memset(gaddrs, 0, argsz); gaddrs->sget_assoc_id = 0; memcpy(gaddrs->addr, sa, sa->sa_len); /* * Now, if there was a port mentioned, assure that the first * address has that port to make sure it fails or succeeds * correctly. */ if ((i == 0) && (sport != 0)) { switch (gaddrs->addr->sa_family) { case AF_INET: sin = (struct sockaddr_in *)gaddrs->addr; sin->sin_port = sport; break; case AF_INET6: sin6 = (struct sockaddr_in6 *)gaddrs->addr; sin6->sin6_port = sport; break; } } if (setsockopt(sd, IPPROTO_SCTP, flags, gaddrs, (socklen_t) argsz) != 0) { free(gaddrs); return (-1); } sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); } free(gaddrs); return (0); } int sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size) { if (arg == NULL) { errno = EINVAL; return (-1); } if ((id == SCTP_CURRENT_ASSOC) || (id == SCTP_ALL_ASSOC)) { errno = EINVAL; return (-1); } switch (opt) { case SCTP_RTOINFO: ((struct sctp_rtoinfo *)arg)->srto_assoc_id = id; break; case SCTP_ASSOCINFO: ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id; break; case SCTP_DEFAULT_SEND_PARAM: ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id; break; case SCTP_PRIMARY_ADDR: ((struct sctp_setprim *)arg)->ssp_assoc_id = id; break; case SCTP_PEER_ADDR_PARAMS: ((struct sctp_paddrparams *)arg)->spp_assoc_id = id; break; case SCTP_MAXSEG: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_AUTH_KEY: ((struct sctp_authkey *)arg)->sca_assoc_id = id; break; case SCTP_AUTH_ACTIVE_KEY: ((struct sctp_authkeyid *)arg)->scact_assoc_id = id; break; case SCTP_DELAYED_SACK: ((struct sctp_sack_info *)arg)->sack_assoc_id = id; break; case SCTP_CONTEXT: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_STATUS: ((struct sctp_status *)arg)->sstat_assoc_id = id; break; case SCTP_GET_PEER_ADDR_INFO: ((struct sctp_paddrinfo *)arg)->spinfo_assoc_id = id; break; case SCTP_PEER_AUTH_CHUNKS: ((struct sctp_authchunks *)arg)->gauth_assoc_id = id; break; case SCTP_LOCAL_AUTH_CHUNKS: ((struct sctp_authchunks *)arg)->gauth_assoc_id = id; break; case SCTP_TIMEOUTS: ((struct sctp_timeouts *)arg)->stimo_assoc_id = id; break; case SCTP_EVENT: ((struct sctp_event *)arg)->se_assoc_id = id; break; case SCTP_DEFAULT_SNDINFO: ((struct sctp_sndinfo *)arg)->snd_assoc_id = id; break; case SCTP_DEFAULT_PRINFO: ((struct sctp_default_prinfo *)arg)->pr_assoc_id = id; break; case SCTP_PEER_ADDR_THLDS: ((struct sctp_paddrthlds *)arg)->spt_assoc_id = id; break; case SCTP_REMOTE_UDP_ENCAPS_PORT: ((struct sctp_udpencaps *)arg)->sue_assoc_id = id; break; case SCTP_ECN_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_PR_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_AUTH_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_ASCONF_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_RECONFIG_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_NRSACK_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_PKTDROP_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_MAX_BURST: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_ENABLE_STREAM_RESET: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; case SCTP_PR_STREAM_STATUS: ((struct sctp_prstatus *)arg)->sprstat_assoc_id = id; break; case SCTP_PR_ASSOC_STATUS: ((struct sctp_prstatus *)arg)->sprstat_assoc_id = id; break; case SCTP_MAX_CWND: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; default: break; } return (getsockopt(sd, IPPROTO_SCTP, opt, arg, size)); } int sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) { struct sctp_getaddresses *addrs; struct sockaddr *sa; sctp_assoc_t asoc; caddr_t lim; socklen_t opt_len; int cnt; if (raddrs == NULL) { errno = EFAULT; return (-1); } asoc = id; opt_len = (socklen_t) sizeof(sctp_assoc_t); if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE, &asoc, &opt_len) != 0) { return (-1); } /* size required is returned in 'asoc' */ - opt_len = (socklen_t) ((size_t)asoc + sizeof(struct sctp_getaddresses)); + opt_len = (socklen_t) ((size_t)asoc + sizeof(sctp_assoc_t)); addrs = calloc(1, (size_t)opt_len); if (addrs == NULL) { errno = ENOMEM; return (-1); } addrs->sget_assoc_id = id; /* Now lets get the array of addresses */ if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES, addrs, &opt_len) != 0) { free(addrs); return (-1); } *raddrs = (struct sockaddr *)&addrs->addr[0]; cnt = 0; sa = (struct sockaddr *)&addrs->addr[0]; lim = (caddr_t)addrs + opt_len; while (((caddr_t)sa < lim) && (sa->sa_len > 0)) { sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); cnt++; } return (cnt); } void sctp_freepaddrs(struct sockaddr *addrs) { void *fr_addr; /* Take away the hidden association id */ fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t)); /* Now free it */ free(fr_addr); } int sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) { struct sctp_getaddresses *addrs; caddr_t lim; struct sockaddr *sa; size_t size_of_addresses; socklen_t opt_len; int cnt; if (raddrs == NULL) { errno = EFAULT; return (-1); } size_of_addresses = 0; opt_len = (socklen_t) sizeof(int); if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE, &size_of_addresses, &opt_len) != 0) { errno = ENOMEM; return (-1); } if (size_of_addresses == 0) { errno = ENOTCONN; return (-1); } - opt_len = (socklen_t) (size_of_addresses + - sizeof(struct sockaddr_storage) + - sizeof(struct sctp_getaddresses)); + opt_len = (socklen_t) (size_of_addresses + sizeof(sctp_assoc_t)); addrs = calloc(1, (size_t)opt_len); if (addrs == NULL) { errno = ENOMEM; return (-1); } addrs->sget_assoc_id = id; /* Now lets get the array of addresses */ if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs, &opt_len) != 0) { free(addrs); errno = ENOMEM; return (-1); } *raddrs = (struct sockaddr *)&addrs->addr[0]; cnt = 0; sa = (struct sockaddr *)&addrs->addr[0]; lim = (caddr_t)addrs + opt_len; while (((caddr_t)sa < lim) && (sa->sa_len > 0)) { sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); cnt++; } return (cnt); } void sctp_freeladdrs(struct sockaddr *addrs) { void *fr_addr; /* Take away the hidden association id */ fr_addr = (void *)((caddr_t)addrs - sizeof(sctp_assoc_t)); /* Now free it */ free(fr_addr); } ssize_t sctp_sendmsg(int s, const void *data, size_t len, const struct sockaddr *to, socklen_t tolen, uint32_t ppid, uint32_t flags, uint16_t stream_no, uint32_t timetolive, uint32_t context) { #ifdef SYS_sctp_generic_sendmsg struct sctp_sndrcvinfo sinfo; memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo)); sinfo.sinfo_ppid = ppid; sinfo.sinfo_flags = flags; sinfo.sinfo_stream = stream_no; sinfo.sinfo_timetolive = timetolive; sinfo.sinfo_context = context; sinfo.sinfo_assoc_id = 0; return (syscall(SYS_sctp_generic_sendmsg, s, data, len, to, tolen, &sinfo, 0)); #else struct msghdr msg; struct sctp_sndrcvinfo *sinfo; struct iovec iov; char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))]; struct cmsghdr *cmsg; struct sockaddr *who = NULL; union { struct sockaddr_in in; struct sockaddr_in6 in6; } addr; if ((tolen > 0) && ((to == NULL) || (tolen < sizeof(struct sockaddr)))) { errno = EINVAL; return (-1); } if ((to != NULL) && (tolen > 0)) { switch (to->sa_family) { case AF_INET: if (tolen != sizeof(struct sockaddr_in)) { errno = EINVAL; return (-1); } if ((to->sa_len > 0) && (to->sa_len != sizeof(struct sockaddr_in))) { errno = EINVAL; return (-1); } memcpy(&addr, to, sizeof(struct sockaddr_in)); addr.in.sin_len = sizeof(struct sockaddr_in); break; case AF_INET6: if (tolen != sizeof(struct sockaddr_in6)) { errno = EINVAL; return (-1); } if ((to->sa_len > 0) && (to->sa_len != sizeof(struct sockaddr_in6))) { errno = EINVAL; return (-1); } memcpy(&addr, to, sizeof(struct sockaddr_in6)); addr.in6.sin6_len = sizeof(struct sockaddr_in6); break; default: errno = EAFNOSUPPORT; return (-1); } who = (struct sockaddr *)&addr; } iov.iov_base = (char *)data; iov.iov_len = len; if (who) { msg.msg_name = (caddr_t)who; msg.msg_namelen = who->sa_len; } else { msg.msg_name = (caddr_t)NULL; msg.msg_namelen = 0; } msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_control = cmsgbuf; msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo)); msg.msg_flags = 0; cmsg = (struct cmsghdr *)cmsgbuf; cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_SNDRCV; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg); memset(sinfo, 0, sizeof(struct sctp_sndrcvinfo)); sinfo->sinfo_stream = stream_no; sinfo->sinfo_ssn = 0; sinfo->sinfo_flags = flags; sinfo->sinfo_ppid = ppid; sinfo->sinfo_context = context; sinfo->sinfo_assoc_id = 0; sinfo->sinfo_timetolive = timetolive; return (sendmsg(s, &msg, 0)); #endif } sctp_assoc_t sctp_getassocid(int sd, struct sockaddr *sa) { struct sctp_paddrinfo sp; socklen_t siz; /* First get the assoc id */ siz = sizeof(sp); memset(&sp, 0, sizeof(sp)); memcpy((caddr_t)&sp.spinfo_address, sa, sa->sa_len); if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDR_INFO, &sp, &siz) != 0) { /* We depend on the fact that 0 can never be returned */ return ((sctp_assoc_t) 0); } return (sp.spinfo_assoc_id); } ssize_t sctp_send(int sd, const void *data, size_t len, const struct sctp_sndrcvinfo *sinfo, int flags) { #ifdef SYS_sctp_generic_sendmsg struct sockaddr *to = NULL; return (syscall(SYS_sctp_generic_sendmsg, sd, data, len, to, 0, sinfo, flags)); #else struct msghdr msg; struct iovec iov; char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))]; struct cmsghdr *cmsg; if (sinfo == NULL) { errno = EINVAL; return (-1); } iov.iov_base = (char *)data; iov.iov_len = len; msg.msg_name = NULL; msg.msg_namelen = 0; msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_control = cmsgbuf; msg.msg_controllen = CMSG_SPACE(sizeof(struct sctp_sndrcvinfo)); msg.msg_flags = 0; cmsg = (struct cmsghdr *)cmsgbuf; cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_SNDRCV; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo)); memcpy(CMSG_DATA(cmsg), sinfo, sizeof(struct sctp_sndrcvinfo)); return (sendmsg(sd, &msg, flags)); #endif } ssize_t sctp_sendx(int sd, const void *msg, size_t msg_len, struct sockaddr *addrs, int addrcnt, struct sctp_sndrcvinfo *sinfo, int flags) { struct sctp_sndrcvinfo __sinfo; ssize_t ret; int i, cnt, *aa, saved_errno; char *buf; int no_end_cx = 0; size_t len, add_len; struct sockaddr *at; if (addrs == NULL) { errno = EINVAL; return (-1); } #ifdef SYS_sctp_generic_sendmsg if (addrcnt == 1) { socklen_t l; ssize_t ret; /* * Quick way, we don't need to do a connectx so lets use the * syscall directly. */ l = addrs->sa_len; ret = syscall(SYS_sctp_generic_sendmsg, sd, msg, msg_len, addrs, l, sinfo, flags); if ((ret >= 0) && (sinfo != NULL)) { sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs); } return (ret); } #endif len = sizeof(int); at = addrs; cnt = 0; /* validate all the addresses and get the size */ for (i = 0; i < addrcnt; i++) { if (at->sa_family == AF_INET) { add_len = sizeof(struct sockaddr_in); } else if (at->sa_family == AF_INET6) { add_len = sizeof(struct sockaddr_in6); } else { errno = EINVAL; return (-1); } len += add_len; at = (struct sockaddr *)((caddr_t)at + add_len); cnt++; } /* do we have any? */ if (cnt == 0) { errno = EINVAL; return (-1); } buf = malloc(len); if (buf == NULL) { errno = ENOMEM; return (-1); } aa = (int *)buf; *aa = cnt; aa++; memcpy((caddr_t)aa, addrs, (size_t)(len - sizeof(int))); ret = setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_DELAYED, (void *)buf, (socklen_t) len); free(buf); if (ret != 0) { if (errno == EALREADY) { no_end_cx = 1; goto continue_send; } return (ret); } continue_send: if (sinfo == NULL) { sinfo = &__sinfo; memset(&__sinfo, 0, sizeof(__sinfo)); } sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs); if (sinfo->sinfo_assoc_id == 0) { (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs, (socklen_t) addrs->sa_len); errno = ENOENT; return (-1); } ret = sctp_send(sd, msg, msg_len, sinfo, flags); saved_errno = errno; if (no_end_cx == 0) (void)setsockopt(sd, IPPROTO_SCTP, SCTP_CONNECT_X_COMPLETE, (void *)addrs, (socklen_t) addrs->sa_len); errno = saved_errno; return (ret); } ssize_t sctp_sendmsgx(int sd, const void *msg, size_t len, struct sockaddr *addrs, int addrcnt, uint32_t ppid, uint32_t flags, uint16_t stream_no, uint32_t timetolive, uint32_t context) { struct sctp_sndrcvinfo sinfo; memset((void *)&sinfo, 0, sizeof(struct sctp_sndrcvinfo)); sinfo.sinfo_ppid = ppid; sinfo.sinfo_flags = flags; sinfo.sinfo_stream = stream_no; sinfo.sinfo_timetolive = timetolive; sinfo.sinfo_context = context; return (sctp_sendx(sd, msg, len, addrs, addrcnt, &sinfo, 0)); } ssize_t sctp_recvmsg(int s, void *dbuf, size_t len, struct sockaddr *from, socklen_t * fromlen, struct sctp_sndrcvinfo *sinfo, int *msg_flags) { #ifdef SYS_sctp_generic_recvmsg struct iovec iov; iov.iov_base = dbuf; iov.iov_len = len; return (syscall(SYS_sctp_generic_recvmsg, s, &iov, 1, from, fromlen, sinfo, msg_flags)); #else ssize_t sz; struct msghdr msg; struct iovec iov; char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV]; struct cmsghdr *cmsg; if (msg_flags == NULL) { errno = EINVAL; return (-1); } iov.iov_base = dbuf; iov.iov_len = len; msg.msg_name = (caddr_t)from; if (fromlen == NULL) msg.msg_namelen = 0; else msg.msg_namelen = *fromlen; msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_control = cmsgbuf; msg.msg_controllen = sizeof(cmsgbuf); msg.msg_flags = 0; sz = recvmsg(s, &msg, *msg_flags); *msg_flags = msg.msg_flags; if (sz <= 0) { return (sz); } if (sinfo) { sinfo->sinfo_assoc_id = 0; } if ((msg.msg_controllen > 0) && (sinfo != NULL)) { /* * parse through and see if we find the sctp_sndrcvinfo (if * the user wants it). */ for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { if (cmsg->cmsg_level != IPPROTO_SCTP) { continue; } if (cmsg->cmsg_type == SCTP_SNDRCV) { memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_sndrcvinfo)); break; } if (cmsg->cmsg_type == SCTP_EXTRCV) { /* * Let's hope that the user provided enough * enough memory. At least he asked for more * information. */ memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_extrcvinfo)); break; } } } return (sz); #endif } ssize_t sctp_recvv(int sd, const struct iovec *iov, int iovlen, struct sockaddr *from, socklen_t * fromlen, void *info, socklen_t * infolen, unsigned int *infotype, int *flags) { char cmsgbuf[SCTP_CONTROL_VEC_SIZE_RCV]; struct msghdr msg; struct cmsghdr *cmsg; ssize_t ret; struct sctp_rcvinfo *rcvinfo; struct sctp_nxtinfo *nxtinfo; if (((info != NULL) && (infolen == NULL)) || ((info == NULL) && (infolen != NULL) && (*infolen != 0)) || ((info != NULL) && (infotype == NULL))) { errno = EINVAL; return (-1); } if (infotype) { *infotype = SCTP_RECVV_NOINFO; } msg.msg_name = from; if (fromlen == NULL) { msg.msg_namelen = 0; } else { msg.msg_namelen = *fromlen; } msg.msg_iov = (struct iovec *)iov; msg.msg_iovlen = iovlen; msg.msg_control = cmsgbuf; msg.msg_controllen = sizeof(cmsgbuf); msg.msg_flags = 0; ret = recvmsg(sd, &msg, *flags); *flags = msg.msg_flags; if ((ret > 0) && (msg.msg_controllen > 0) && (infotype != NULL) && (infolen != NULL) && (*infolen > 0)) { rcvinfo = NULL; nxtinfo = NULL; for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { if (cmsg->cmsg_level != IPPROTO_SCTP) { continue; } if (cmsg->cmsg_type == SCTP_RCVINFO) { rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg); if (nxtinfo != NULL) { break; } else { continue; } } if (cmsg->cmsg_type == SCTP_NXTINFO) { nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg); if (rcvinfo != NULL) { break; } else { continue; } } } if (rcvinfo != NULL) { if ((nxtinfo != NULL) && (*infolen >= sizeof(struct sctp_recvv_rn))) { struct sctp_recvv_rn *rn_info; rn_info = (struct sctp_recvv_rn *)info; rn_info->recvv_rcvinfo = *rcvinfo; rn_info->recvv_nxtinfo = *nxtinfo; *infolen = (socklen_t) sizeof(struct sctp_recvv_rn); *infotype = SCTP_RECVV_RN; } else if (*infolen >= sizeof(struct sctp_rcvinfo)) { memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo)); *infolen = (socklen_t) sizeof(struct sctp_rcvinfo); *infotype = SCTP_RECVV_RCVINFO; } } else if (nxtinfo != NULL) { if (*infolen >= sizeof(struct sctp_nxtinfo)) { memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo)); *infolen = (socklen_t) sizeof(struct sctp_nxtinfo); *infotype = SCTP_RECVV_NXTINFO; } } } return (ret); } ssize_t sctp_sendv(int sd, const struct iovec *iov, int iovcnt, struct sockaddr *addrs, int addrcnt, void *info, socklen_t infolen, unsigned int infotype, int flags) { ssize_t ret; int i; socklen_t addr_len; struct msghdr msg; in_port_t port; struct sctp_sendv_spa *spa_info; struct cmsghdr *cmsg; char *cmsgbuf; struct sockaddr *addr; struct sockaddr_in *addr_in; struct sockaddr_in6 *addr_in6; sctp_assoc_t *assoc_id; if ((addrcnt < 0) || (iovcnt < 0) || ((addrs == NULL) && (addrcnt > 0)) || ((addrs != NULL) && (addrcnt == 0)) || ((iov == NULL) && (iovcnt > 0)) || ((iov != NULL) && (iovcnt == 0))) { errno = EINVAL; return (-1); } cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) + CMSG_SPACE(sizeof(struct sctp_prinfo)) + CMSG_SPACE(sizeof(struct sctp_authinfo)) + (size_t)addrcnt * CMSG_SPACE(sizeof(struct in6_addr))); if (cmsgbuf == NULL) { errno = ENOMEM; return (-1); } assoc_id = NULL; msg.msg_control = cmsgbuf; msg.msg_controllen = 0; cmsg = (struct cmsghdr *)cmsgbuf; switch (infotype) { case SCTP_SENDV_NOINFO: if ((infolen != 0) || (info != NULL)) { free(cmsgbuf); errno = EINVAL; return (-1); } break; case SCTP_SENDV_SNDINFO: if ((info == NULL) || (infolen < sizeof(struct sctp_sndinfo))) { free(cmsgbuf); errno = EINVAL; return (-1); } cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_SNDINFO; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo)); memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_sndinfo)); msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo))); assoc_id = &(((struct sctp_sndinfo *)info)->snd_assoc_id); break; case SCTP_SENDV_PRINFO: if ((info == NULL) || (infolen < sizeof(struct sctp_prinfo))) { free(cmsgbuf); errno = EINVAL; return (-1); } cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_PRINFO; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo)); memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_prinfo)); msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo))); break; case SCTP_SENDV_AUTHINFO: if ((info == NULL) || (infolen < sizeof(struct sctp_authinfo))) { free(cmsgbuf); errno = EINVAL; return (-1); } cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_AUTHINFO; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo)); memcpy(CMSG_DATA(cmsg), info, sizeof(struct sctp_authinfo)); msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo))); break; case SCTP_SENDV_SPA: if ((info == NULL) || (infolen < sizeof(struct sctp_sendv_spa))) { free(cmsgbuf); errno = EINVAL; return (-1); } spa_info = (struct sctp_sendv_spa *)info; if (spa_info->sendv_flags & SCTP_SEND_SNDINFO_VALID) { cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_SNDINFO; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo)); memcpy(CMSG_DATA(cmsg), &spa_info->sendv_sndinfo, sizeof(struct sctp_sndinfo)); msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_sndinfo))); assoc_id = &(spa_info->sendv_sndinfo.snd_assoc_id); } if (spa_info->sendv_flags & SCTP_SEND_PRINFO_VALID) { cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_PRINFO; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo)); memcpy(CMSG_DATA(cmsg), &spa_info->sendv_prinfo, sizeof(struct sctp_prinfo)); msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_prinfo))); } if (spa_info->sendv_flags & SCTP_SEND_AUTHINFO_VALID) { cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_AUTHINFO; cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_authinfo)); memcpy(CMSG_DATA(cmsg), &spa_info->sendv_authinfo, sizeof(struct sctp_authinfo)); msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_authinfo)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct sctp_authinfo))); } break; default: free(cmsgbuf); errno = EINVAL; return (-1); } addr = addrs; msg.msg_name = NULL; msg.msg_namelen = 0; for (i = 0; i < addrcnt; i++) { switch (addr->sa_family) { case AF_INET: addr_len = (socklen_t) sizeof(struct sockaddr_in); addr_in = (struct sockaddr_in *)addr; if (addr_in->sin_len != addr_len) { free(cmsgbuf); errno = EINVAL; return (-1); } if (i == 0) { port = addr_in->sin_port; } else { if (port == addr_in->sin_port) { cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_DSTADDRV4; cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr)); memcpy(CMSG_DATA(cmsg), &addr_in->sin_addr, sizeof(struct in_addr)); msg.msg_controllen += CMSG_SPACE(sizeof(struct in_addr)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in_addr))); } else { free(cmsgbuf); errno = EINVAL; return (-1); } } break; case AF_INET6: addr_len = (socklen_t) sizeof(struct sockaddr_in6); addr_in6 = (struct sockaddr_in6 *)addr; if (addr_in6->sin6_len != addr_len) { free(cmsgbuf); errno = EINVAL; return (-1); } if (i == 0) { port = addr_in6->sin6_port; } else { if (port == addr_in6->sin6_port) { cmsg->cmsg_level = IPPROTO_SCTP; cmsg->cmsg_type = SCTP_DSTADDRV6; cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_addr)); memcpy(CMSG_DATA(cmsg), &addr_in6->sin6_addr, sizeof(struct in6_addr)); msg.msg_controllen += CMSG_SPACE(sizeof(struct in6_addr)); cmsg = (struct cmsghdr *)((caddr_t)cmsg + CMSG_SPACE(sizeof(struct in6_addr))); } else { free(cmsgbuf); errno = EINVAL; return (-1); } } break; default: free(cmsgbuf); errno = EINVAL; return (-1); } if (i == 0) { msg.msg_name = addr; msg.msg_namelen = addr_len; } addr = (struct sockaddr *)((caddr_t)addr + addr_len); } if (msg.msg_controllen == 0) { msg.msg_control = NULL; } msg.msg_iov = (struct iovec *)iov; msg.msg_iovlen = iovcnt; msg.msg_flags = 0; ret = sendmsg(sd, &msg, flags); free(cmsgbuf); if ((ret >= 0) && (addrs != NULL) && (assoc_id != NULL)) { *assoc_id = sctp_getassocid(sd, addrs); } return (ret); } #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT) int sctp_peeloff(int sd, sctp_assoc_t assoc_id) { /* NOT supported, return invalid sd */ errno = ENOTSUP; return (-1); } #endif #if defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT) int sctp_peeloff(int sd, sctp_assoc_t assoc_id) { return (syscall(SYS_sctp_peeloff, sd, assoc_id)); } #endif #undef SCTP_CONTROL_VEC_SIZE_RCV Index: stable/11 =================================================================== --- stable/11 (revision 347663) +++ stable/11 (revision 347664) Property changes on: stable/11 ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head:r344722