diff options
Diffstat (limited to 'lib/libc/net/sctp_sys_calls.c')
| -rw-r--r-- | lib/libc/net/sctp_sys_calls.c | 326 |
1 files changed, 301 insertions, 25 deletions
diff --git a/lib/libc/net/sctp_sys_calls.c b/lib/libc/net/sctp_sys_calls.c index 0921669..27664bc 100644 --- a/lib/libc/net/sctp_sys_calls.c +++ b/lib/libc/net/sctp_sys_calls.c @@ -141,7 +141,7 @@ in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6) int sctp_getaddrlen(sa_family_t family) { - int error, sd; + int ret, sd; socklen_t siz; struct sctp_assoc_value av; @@ -151,13 +151,15 @@ sctp_getaddrlen(sa_family_t family) 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); } - error = getsockopt(sd, IPPROTO_SCTP, SCTP_GET_ADDR_LEN, &av, &siz); + ret = getsockopt(sd, IPPROTO_SCTP, SCTP_GET_ADDR_LEN, &av, &siz); close(sd); - if (error == 0) { + if (ret == 0) { return ((int)av.assoc_value); } else { return (-1); @@ -363,9 +365,6 @@ sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size) case SCTP_DEFAULT_SEND_PARAM: ((struct sctp_assocparams *)arg)->sasoc_assoc_id = id; break; - case SCTP_SET_PEER_PRIMARY_ADDR: - ((struct sctp_setpeerprim *)arg)->sspp_assoc_id = id; - break; case SCTP_PRIMARY_ADDR: ((struct sctp_setprim *)arg)->ssp_assoc_id = id; break; @@ -402,6 +401,18 @@ sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size) 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_MAX_BURST: + ((struct sctp_assoc_value *)arg)->assoc_id = id; + break; default: break; } @@ -919,32 +930,297 @@ sctp_recvmsg(int s, #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 ctlbuf[SCTP_CONTROL_VEC_SIZE_RCV]; + struct msghdr msg; + struct cmsghdr *cmsg; + ssize_t n; + struct sctp_rcvinfo *rcvinfo; + struct sctp_nxtinfo *nxtinfo; -#if defined(HAVE_SCTP_PEELOFF_SOCKOPT) -#include <netinet/sctp_peeloff.h> + 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 = ctlbuf; + msg.msg_controllen = sizeof(ctlbuf); + errno = 0; + n = recvmsg(sd, &msg, *flags); + *flags = msg.msg_flags; + if ((n > 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 (cmsg->cmsg_type == SCTP_NXTINFO) { + nxtinfo = (struct sctp_nxtinfo *)CMSG_DATA(cmsg); + } + if (rcvinfo && nxtinfo) { + break; + } + } + if (rcvinfo) { + if (nxtinfo) { + if (*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) { + if (*infolen >= sizeof(struct sctp_rcvinfo)) { + memcpy(info, nxtinfo, sizeof(struct sctp_nxtinfo)); + *infolen = (socklen_t) sizeof(struct sctp_nxtinfo); + *infotype = SCTP_RECVV_NXTINFO; + } + } + } + return (n); +} -int -sctp_peeloff(int sd, sctp_assoc_t assoc_id) +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) { - struct sctp_peeloff_opt peeloff; - int result; - socklen_t optlen; - - /* set in the socket option params */ - memset(&peeloff, 0, sizeof(peeloff)); - peeloff.s = sd; - peeloff.assoc_id = assoc_id; - optlen = sizeof(peeloff); - result = getsockopt(sd, IPPROTO_SCTP, SCTP_PEELOFF, (void *)&peeloff, &optlen); - - if (result < 0) { + 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; + + 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); - } else { - return (peeloff.new_sd); } + cmsgbuf = malloc(CMSG_SPACE(sizeof(struct sctp_sndinfo)) + + CMSG_SPACE(sizeof(struct sctp_prinfo)) + + CMSG_SPACE(sizeof(struct sctp_authinfo)) + + addrcnt * CMSG_SPACE(sizeof(struct in6_addr))); + if (cmsgbuf == NULL) { + errno = ENOBUFS; + return (-1); + } + 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))); + 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))); + } + 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); + return (ret); } -#endif #if !defined(SYS_sctp_peeloff) && !defined(HAVE_SCTP_PEELOFF_SOCKOPT) |
