/* __Userspace__ */
void
m_clget(struct mbuf *m, int how)
{
caddr_t mclust_ret;
if (m->m_flags & M_EXT) {
SCTPDBG(SCTP_DEBUG_USR, "%s: %p mbuf already has cluster\n", __func__, (void *)m);
}
m->m_ext.ext_buf = (char *)NULL;
#if USING_MBUF_CONSTRUCTOR
set_clust_mb_args(m);
#endif
mclust_ret = SCTP_ZONE_GET(zone_clust, char);
#if defined(SCTP_SIMPLE_ALLOCATOR)
mb_ctor_clust(mclust_ret, &clust_mb_args, 0);
#endif
/*mclust_ret = umem_cache_alloc(zone_clust, UMEM_DEFAULT);*/
/*
On a cluster allocation failure, call umem_reap() and retry.
*/
if (mclust_ret == NULL) {
#if !defined(SCTP_SIMPLE_ALLOCATOR)
/* mclust_ret = SCTP_ZONE_GET(zone_clust, char);
mb_ctor_clust(mclust_ret, &clust_mb_args, 0);
#else*/
umem_reap();
mclust_ret = SCTP_ZONE_GET(zone_clust, char);
#endif
/*mclust_ret = umem_cache_alloc(zone_clust, UMEM_DEFAULT);*/
if (NULL == mclust_ret) {
SCTPDBG(SCTP_DEBUG_USR, "Memory allocation failure in %s\n", __func__);
}
}
static void
setSendBufferSize(int sfd, int new_size)
{
int ch = new_size;
if (setsockopt (sfd, SOL_SOCKET, SO_SNDBUF, (void*)&ch, sizeof(ch)) < 0) {
#if defined (__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set send-buffers size (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set send-buffers size (errno = %d).\n", errno);
#endif
}
return;
}
static void
sctp_handle_ifamsg(unsigned char type, unsigned short index, struct sockaddr *sa)
{
int rc;
struct ifaddrs *ifa, *found_ifa = NULL;
/* handle only the types we want */
if ((type != RTM_NEWADDR) && (type != RTM_DELADDR)) {
return;
}
rc = getifaddrs(&g_interfaces);
if (rc != 0) {
return;
}
for (ifa = g_interfaces; ifa; ifa = ifa->ifa_next) {
if (index == if_nametoindex(ifa->ifa_name)) {
found_ifa = ifa;
break;
}
}
if (found_ifa == NULL) {
return;
}
switch (sa->sa_family) {
#ifdef INET
case AF_INET:
ifa->ifa_addr = (struct sockaddr *)malloc(sizeof(struct sockaddr_in));
memcpy(ifa->ifa_addr, sa, sizeof(struct sockaddr_in));
break;
#endif
#ifdef INET6
case AF_INET6:
ifa->ifa_addr = (struct sockaddr *)malloc(sizeof(struct sockaddr_in6));
memcpy(ifa->ifa_addr, sa, sizeof(struct sockaddr_in6));
break;
#endif
default:
SCTPDBG(SCTP_DEBUG_USR, "Address family %d not supported.\n", sa->sa_family);
}
/* relay the appropriate address change to the base code */
if (type == RTM_NEWADDR) {
(void)sctp_add_addr_to_vrf(SCTP_DEFAULT_VRFID, ifa, if_nametoindex(ifa->ifa_name),
0,
ifa->ifa_name,
(void *)ifa,
ifa->ifa_addr,
0,
1);
} else {
sctp_del_addr_from_vrf(SCTP_DEFAULT_VRFID, ifa->ifa_addr,
if_nametoindex(ifa->ifa_name),
ifa->ifa_name);
}
}
int
sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af)
{
PIP_ADAPTER_ADDRESSES pAdapterAddrs, pAdapt;
DWORD AdapterAddrsSize, Err;
int ret;
ret = 0;
AdapterAddrsSize = 0;
pAdapterAddrs = NULL;
if ((Err = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, NULL, &AdapterAddrsSize)) != 0) {
if ((Err != ERROR_BUFFER_OVERFLOW) && (Err != ERROR_INSUFFICIENT_BUFFER)) {
SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersAddresses() sizing failed with error code %d, AdapterAddrsSize = %d\n", Err, AdapterAddrsSize);
ret = -1;
goto cleanup;
}
}
if ((pAdapterAddrs = (PIP_ADAPTER_ADDRESSES) GlobalAlloc(GPTR, AdapterAddrsSize)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Memory allocation error!\n");
ret = -1;
goto cleanup;
}
if ((Err = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, pAdapterAddrs, &AdapterAddrsSize)) != ERROR_SUCCESS) {
SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersAddresses() failed with error code %d\n", Err);
ret = -1;
goto cleanup;
}
for (pAdapt = pAdapterAddrs; pAdapt; pAdapt = pAdapt->Next) {
if (pAdapt->IfIndex == if_index)
ret = pAdapt->Mtu;
break;
}
cleanup:
if (pAdapterAddrs != NULL) {
GlobalFree(pAdapterAddrs);
}
return (ret);
}
struct socket *
sctp_get_peeloff(struct socket *head, sctp_assoc_t assoc_id, int *error)
{
struct socket *newso;
struct sctp_inpcb *inp, *n_inp;
struct sctp_tcb *stcb;
SCTPDBG(SCTP_DEBUG_PEEL1, "SCTP peel-off called\n");
inp = (struct sctp_inpcb *)head->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, EFAULT);
*error = EFAULT;
return (NULL);
}
stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1);
if (stcb == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, ENOTCONN);
*error = ENOTCONN;
return (NULL);
}
atomic_add_int(&stcb->asoc.refcnt, 1);
SCTP_TCB_UNLOCK(stcb);
newso = sonewconn(head, SS_ISCONNECTED
);
if (newso == NULL) {
SCTPDBG(SCTP_DEBUG_PEEL1, "sctp_peeloff:sonewconn failed\n");
SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTP_PEELOFF, ENOMEM);
*error = ENOMEM;
atomic_subtract_int(&stcb->asoc.refcnt, 1);
return (NULL);
}
SCTP_TCB_LOCK(stcb);
atomic_subtract_int(&stcb->asoc.refcnt, 1);
n_inp = (struct sctp_inpcb *)newso->so_pcb;
SOCK_LOCK(head);
n_inp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |
SCTP_PCB_FLAGS_CONNECTED |
SCTP_PCB_FLAGS_IN_TCPPOOL | /* Turn on Blocking IO */
(SCTP_PCB_COPY_FLAGS & inp->sctp_flags));
n_inp->sctp_features = inp->sctp_features;
n_inp->sctp_frag_point = inp->sctp_frag_point;
n_inp->partial_delivery_point = inp->partial_delivery_point;
n_inp->sctp_context = inp->sctp_context;
n_inp->inp_starting_point_for_iterator = NULL;
/* copy in the authentication parameters from the original endpoint */
if (n_inp->sctp_ep.local_hmacs)
sctp_free_hmaclist(n_inp->sctp_ep.local_hmacs);
n_inp->sctp_ep.local_hmacs =
sctp_copy_hmaclist(inp->sctp_ep.local_hmacs);
if (n_inp->sctp_ep.local_auth_chunks)
sctp_free_chunklist(n_inp->sctp_ep.local_auth_chunks);
n_inp->sctp_ep.local_auth_chunks =
sctp_copy_chunklist(inp->sctp_ep.local_auth_chunks);
(void)sctp_copy_skeylist(&inp->sctp_ep.shared_keys,
&n_inp->sctp_ep.shared_keys);
n_inp->sctp_socket = newso;
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) {
sctp_feature_off(n_inp, SCTP_PCB_FLAGS_AUTOCLOSE);
n_inp->sctp_ep.auto_close_time = 0;
sctp_timer_stop(SCTP_TIMER_TYPE_AUTOCLOSE, n_inp, stcb, NULL,
SCTP_FROM_SCTP_PEELOFF + SCTP_LOC_1);
}
/* Turn off any non-blocking semantic. */
SCTP_CLEAR_SO_NBIO(newso);
newso->so_state |= SS_ISCONNECTED;
/* We remove it right away */
#ifdef SCTP_LOCK_LOGGING
if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
}
#endif
TAILQ_REMOVE(&head->so_comp, newso, so_list);
head->so_qlen--;
SOCK_UNLOCK(head);
/*
* Now we must move it from one hash table to another and get the
* stcb in the right place.
*/
sctp_move_pcb_and_assoc(inp, n_inp, stcb);
atomic_add_int(&stcb->asoc.refcnt, 1);
SCTP_TCB_UNLOCK(stcb);
/*
* And now the final hack. We move data in the pending side i.e.
* head to the new socket buffer. Let the GRUBBING begin :-0
*/
sctp_pull_off_control_to_new_inp(inp, n_inp, stcb, SBL_WAIT);
atomic_subtract_int(&stcb->asoc.refcnt, 1);
return (newso);
}
int
Win_getifaddrs(struct ifaddrs** interfaces)
{
int ret;
#if defined(INET) || defined(INET6)
DWORD Err, AdapterAddrsSize;
int count;
PIP_ADAPTER_ADDRESSES pAdapterAddrs, pAdapt;
struct ifaddrs *ifa;
#endif
#if defined(INET)
struct sockaddr_in *addr;
#endif
#if defined(INET6)
struct sockaddr_in6 *addr6;
#endif
#if defined(INET) || defined(INET6)
count = 0;
#endif
ret = 0;
#if defined(INET)
AdapterAddrsSize = 0;
pAdapterAddrs = NULL;
if ((Err = GetAdaptersAddresses(AF_INET, 0, NULL, NULL, &AdapterAddrsSize)) != 0) {
if ((Err != ERROR_BUFFER_OVERFLOW) && (Err != ERROR_INSUFFICIENT_BUFFER)) {
SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV4Addresses() sizing failed with error code %d and AdapterAddrsSize = %d\n", Err, AdapterAddrsSize);
ret = -1;
goto cleanup;
}
}
/* Allocate memory from sizing information */
if ((pAdapterAddrs = (PIP_ADAPTER_ADDRESSES) GlobalAlloc(GPTR, AdapterAddrsSize)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Memory allocation error!\n");
ret = -1;
goto cleanup;
}
/* Get actual adapter information */
if ((Err = GetAdaptersAddresses(AF_INET, 0, NULL, pAdapterAddrs, &AdapterAddrsSize)) != ERROR_SUCCESS) {
SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV4Addresses() failed with error code %d\n", Err);
ret = -1;
goto cleanup;
}
/* Enumerate through each returned adapter and save its information */
for (pAdapt = pAdapterAddrs, count; pAdapt; pAdapt = pAdapt->Next, count++) {
addr = (struct sockaddr_in *)malloc(sizeof(struct sockaddr_in));
ifa = (struct ifaddrs *)malloc(sizeof(struct ifaddrs));
if ((addr == NULL) || (ifa == NULL)) {
SCTPDBG(SCTP_DEBUG_USR, "Can't allocate memory\n");
ret = -1;
goto cleanup;
}
ifa->ifa_name = _strdup(pAdapt->AdapterName);
ifa->ifa_flags = pAdapt->Flags;
ifa->ifa_addr = (struct sockaddr *)addr;
memcpy(addr, &pAdapt->FirstUnicastAddress->Address.lpSockaddr, sizeof(struct sockaddr_in));
interfaces[count] = ifa;
}
GlobalFree(pAdapterAddrs);
#endif
#if defined(INET6)
AdapterAddrsSize = 0;
pAdapterAddrs = NULL;
if ((Err = GetAdaptersAddresses(AF_INET6, 0, NULL, NULL, &AdapterAddrsSize)) != 0) {
if ((Err != ERROR_BUFFER_OVERFLOW) && (Err != ERROR_INSUFFICIENT_BUFFER)) {
SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV6Addresses() sizing failed with error code %d AdapterAddrsSize = %d\n", Err, AdapterAddrsSize);
ret = -1;
goto cleanup;
}
}
/* Allocate memory from sizing information */
if ((pAdapterAddrs = (PIP_ADAPTER_ADDRESSES) GlobalAlloc(GPTR, AdapterAddrsSize)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Memory allocation error!\n");
ret = -1;
goto cleanup;
}
/* Get actual adapter information */
if ((Err = GetAdaptersAddresses(AF_INET6, 0, NULL, pAdapterAddrs, &AdapterAddrsSize)) != ERROR_SUCCESS) {
SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV6Addresses() failed with error code %d\n", Err);
ret = -1;
goto cleanup;
}
/* Enumerate through each returned adapter and save its information */
for (pAdapt = pAdapterAddrs, count; pAdapt; pAdapt = pAdapt->Next, count++) {
addr6 = (struct sockaddr_in6 *)malloc(sizeof(struct sockaddr_in6));
ifa = (struct ifaddrs *)malloc(sizeof(struct ifaddrs));
if ((addr6 == NULL) || (ifa == NULL)) {
SCTPDBG(SCTP_DEBUG_USR, "Can't allocate memory\n");
ret = -1;
goto cleanup;
}
ifa->ifa_name = _strdup(pAdapt->AdapterName);
ifa->ifa_flags = pAdapt->Flags;
ifa->ifa_addr = (struct sockaddr *)addr6;
memcpy(addr6, &pAdapt->FirstUnicastAddress->Address.lpSockaddr, sizeof(struct sockaddr_in6));
interfaces[count] = ifa;
}
#endif
cleanup:
if (pAdapterAddrs != NULL) {
GlobalFree(pAdapterAddrs);
}
return (ret);
}
static void *
recv_function_udp6(void *arg)
{
struct mbuf **udprecvmbuf6;
/*Initially the entire set of mbufs is to be allocated.
to_fill indicates this amount. */
int to_fill = MAXLEN_MBUF_CHAIN;
/* iovlen is the size of each mbuf in the chain */
int i, n, ncounter, offset;
int iovlen = MCLBYTES;
int want_ext = (iovlen > MLEN)? 1 : 0;
int want_header = 0;
struct sockaddr_in6 src, dst;
struct sctphdr *sh;
uint16_t port;
struct sctp_chunkhdr *ch;
char cmsgbuf[CMSG_SPACE(sizeof (struct in6_pktinfo))];
#if !defined(SCTP_WITH_NO_CSUM)
int compute_crc = 1;
#endif
#if !defined(__Userspace_os_Windows)
struct iovec iov[MAXLEN_MBUF_CHAIN];
struct msghdr msg;
struct cmsghdr *cmsgptr;
#else
GUID WSARecvMsg_GUID = WSAID_WSARECVMSG;
LPFN_WSARECVMSG WSARecvMsg;
char ControlBuffer[1024];
WSABUF iov[MAXLEN_MBUF_CHAIN];
WSAMSG msg;
int nResult, m_ErrorCode;
WSACMSGHDR *cmsgptr;
#endif
udprecvmbuf6 = malloc(sizeof(struct mbuf *) * MAXLEN_MBUF_CHAIN);
while (1) {
for (i = 0; i < to_fill; i++) {
/* Not getting the packet header. Tests with chain of one run
as usual without having the packet header.
Have tried both sending and receiving
*/
udprecvmbuf6[i] = sctp_get_mbuf_for_msg(iovlen, want_header, M_NOWAIT, want_ext, MT_DATA);
#if !defined(__Userspace_os_Windows)
iov[i].iov_base = (caddr_t)udprecvmbuf6[i]->m_data;
iov[i].iov_len = iovlen;
#else
iov[i].buf = (caddr_t)udprecvmbuf6[i]->m_data;
iov[i].len = iovlen;
#endif
}
to_fill = 0;
#if !defined(__Userspace_os_Windows)
bzero((void *)&msg, sizeof(struct msghdr));
#else
bzero((void *)&msg, sizeof(WSAMSG));
#endif
bzero((void *)&src, sizeof(struct sockaddr_in6));
bzero((void *)&dst, sizeof(struct sockaddr_in6));
bzero((void *)cmsgbuf, CMSG_SPACE(sizeof (struct in6_pktinfo)));
#if !defined(__Userspace_os_Windows)
msg.msg_name = (void *)&src;
msg.msg_namelen = sizeof(struct sockaddr_in6);
msg.msg_iov = iov;
msg.msg_iovlen = MAXLEN_MBUF_CHAIN;
msg.msg_control = (void *)cmsgbuf;
msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof (struct in6_pktinfo));
msg.msg_flags = 0;
ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_udpsctp6), &msg, 0);
if (n < 0) {
if (errno == EAGAIN) {
continue;
} else {
break;
}
}
#else
nResult = WSAIoctl(SCTP_BASE_VAR(userspace_udpsctp6), SIO_GET_EXTENSION_FUNCTION_POINTER,
&WSARecvMsg_GUID, sizeof WSARecvMsg_GUID,
&WSARecvMsg, sizeof WSARecvMsg,
&ncounter, NULL, NULL);
if (nResult == SOCKET_ERROR) {
m_ErrorCode = WSAGetLastError();
WSARecvMsg = NULL;
}
if (nResult == 0) {
msg.name = (void *)&src;
msg.namelen = sizeof(struct sockaddr_in6);
msg.lpBuffers = iov;
msg.dwBufferCount = MAXLEN_MBUF_CHAIN;
msg.Control.len = sizeof ControlBuffer;
msg.Control.buf = ControlBuffer;
msg.dwFlags = 0;
nResult = WSARecvMsg(SCTP_BASE_VAR(userspace_udpsctp6), &msg, &ncounter, NULL, NULL);
}
if (nResult != 0) {
m_ErrorCode = WSAGetLastError();
if (m_ErrorCode == WSAETIMEDOUT) {
continue;
}
if ((m_ErrorCode == WSAENOTSOCK) || (m_ErrorCode == WSAEINTR)) {
break;
}
}
n = ncounter;
#endif
SCTP_HEADER_LEN(udprecvmbuf6[0]) = n; /* length of total packet */
SCTP_STAT_INCR(sctps_recvpackets);
SCTP_STAT_INCR_COUNTER64(sctps_inpackets);
if (n <= iovlen) {
SCTP_BUF_LEN(udprecvmbuf6[0]) = n;
(to_fill)++;
} else {
i = 0;
SCTP_BUF_LEN(udprecvmbuf6[0]) = iovlen;
ncounter -= iovlen;
(to_fill)++;
do {
udprecvmbuf6[i]->m_next = udprecvmbuf6[i+1];
SCTP_BUF_LEN(udprecvmbuf6[i]->m_next) = min(ncounter, iovlen);
i++;
ncounter -= iovlen;
(to_fill)++;
} while (ncounter > 0);
}
for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL; cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) {
if ((cmsgptr->cmsg_level == IPPROTO_IPV6) && (cmsgptr->cmsg_type == IPV6_PKTINFO)) {
struct in6_pktinfo *info;
dst.sin6_family = AF_INET6;
#ifdef HAVE_SIN6_LEN
dst.sin6_len = sizeof(struct sockaddr_in6);
#endif
info = (struct in6_pktinfo *)CMSG_DATA(cmsgptr);
/*dst.sin6_port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port));*/
memcpy((void *)&dst.sin6_addr, (const void *)&(info->ipi6_addr), sizeof(struct in6_addr));
}
}
/* SCTP does not allow broadcasts or multicasts */
if (IN6_IS_ADDR_MULTICAST(&dst.sin6_addr)) {
return (NULL);
}
sh = mtod(udprecvmbuf6[0], struct sctphdr *);
ch = (struct sctp_chunkhdr *)((caddr_t)sh + sizeof(struct sctphdr));
offset = sizeof(struct sctphdr);
port = src.sin6_port;
src.sin6_port = sh->src_port;
dst.sin6_port = sh->dest_port;
#if defined(SCTP_WITH_NO_CSUM)
SCTP_STAT_INCR(sctps_recvnocrc);
#else
if ((memcmp(&src.sin6_addr, &dst.sin6_addr, sizeof(struct in6_addr)) == 0)) {
compute_crc = 0;
SCTP_STAT_INCR(sctps_recvnocrc);
} else {
SCTP_STAT_INCR(sctps_recvswcrc);
}
#endif
SCTPDBG(SCTP_DEBUG_USR, "%s: Received %d bytes.", __func__, n);
SCTPDBG(SCTP_DEBUG_USR, " - calling sctp_common_input_processing with off=%d\n", (int)sizeof(struct sctphdr));
sctp_common_input_processing(&udprecvmbuf6[0], 0, offset, n,
(struct sockaddr *)&src,
(struct sockaddr *)&dst,
sh, ch,
#if !defined(SCTP_WITH_NO_CSUM)
compute_crc,
#endif
0,
SCTP_DEFAULT_VRFID, port);
if (udprecvmbuf6[0]) {
m_freem(udprecvmbuf6[0]);
}
}
for (i = 0; i < MAXLEN_MBUF_CHAIN; i++) {
m_free(udprecvmbuf6[i]);
}
/* free the array itself */
free(udprecvmbuf6);
return (NULL);
}
static void *
recv_function_raw(void *arg)
{
struct mbuf **recvmbuf;
struct ip *iphdr;
struct sctphdr *sh;
uint16_t port;
int offset, ecn = 0;
#if !defined(SCTP_WITH_NO_CSUM)
int compute_crc = 1;
#endif
struct sctp_chunkhdr *ch;
struct sockaddr_in src, dst;
#if !defined(__Userspace_os_Windows)
struct msghdr msg;
struct iovec recv_iovec[MAXLEN_MBUF_CHAIN];
#else
WSABUF recv_iovec[MAXLEN_MBUF_CHAIN];
int nResult, m_ErrorCode;
DWORD flags;
struct sockaddr_in from;
int fromlen;
#endif
/*Initially the entire set of mbufs is to be allocated.
to_fill indicates this amount. */
int to_fill = MAXLEN_MBUF_CHAIN;
/* iovlen is the size of each mbuf in the chain */
int i, n, ncounter = 0;
int iovlen = MCLBYTES;
int want_ext = (iovlen > MLEN)? 1 : 0;
int want_header = 0;
bzero((void *)&src, sizeof(struct sockaddr_in));
bzero((void *)&dst, sizeof(struct sockaddr_in));
recvmbuf = malloc(sizeof(struct mbuf *) * MAXLEN_MBUF_CHAIN);
while (1) {
for (i = 0; i < to_fill; i++) {
/* Not getting the packet header. Tests with chain of one run
as usual without having the packet header.
Have tried both sending and receiving
*/
recvmbuf[i] = sctp_get_mbuf_for_msg(iovlen, want_header, M_NOWAIT, want_ext, MT_DATA);
#if !defined(__Userspace_os_Windows)
recv_iovec[i].iov_base = (caddr_t)recvmbuf[i]->m_data;
recv_iovec[i].iov_len = iovlen;
#else
recv_iovec[i].buf = (caddr_t)recvmbuf[i]->m_data;
recv_iovec[i].len = iovlen;
#endif
}
to_fill = 0;
#if defined(__Userspace_os_Windows)
flags = 0;
ncounter = 0;
fromlen = sizeof(struct sockaddr_in);
bzero((void *)&from, sizeof(struct sockaddr_in));
nResult = WSARecvFrom(SCTP_BASE_VAR(userspace_rawsctp), recv_iovec, MAXLEN_MBUF_CHAIN, (LPDWORD)&ncounter, (LPDWORD)&flags, (struct sockaddr*)&from, &fromlen, NULL, NULL);
if (nResult != 0) {
m_ErrorCode = WSAGetLastError();
if (m_ErrorCode == WSAETIMEDOUT) {
continue;
}
if ((m_ErrorCode == WSAENOTSOCK) || (m_ErrorCode == WSAEINTR)) {
break;
}
}
n = ncounter;
#else
bzero((void *)&msg, sizeof(struct msghdr));
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = recv_iovec;
msg.msg_iovlen = MAXLEN_MBUF_CHAIN;
msg.msg_control = NULL;
msg.msg_controllen = 0;
ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_rawsctp), &msg, 0);
if (n < 0) {
if (errno == EAGAIN) {
continue;
} else {
break;
}
}
#endif
SCTP_HEADER_LEN(recvmbuf[0]) = n; /* length of total packet */
SCTP_STAT_INCR(sctps_recvpackets);
SCTP_STAT_INCR_COUNTER64(sctps_inpackets);
if (n <= iovlen) {
SCTP_BUF_LEN(recvmbuf[0]) = n;
(to_fill)++;
} else {
i = 0;
SCTP_BUF_LEN(recvmbuf[0]) = iovlen;
ncounter -= iovlen;
(to_fill)++;
do {
recvmbuf[i]->m_next = recvmbuf[i+1];
SCTP_BUF_LEN(recvmbuf[i]->m_next) = min(ncounter, iovlen);
i++;
ncounter -= iovlen;
(to_fill)++;
} while (ncounter > 0);
}
iphdr = mtod(recvmbuf[0], struct ip *);
sh = (struct sctphdr *)((caddr_t)iphdr + sizeof(struct ip));
ch = (struct sctp_chunkhdr *)((caddr_t)sh + sizeof(struct sctphdr));
offset = sizeof(struct ip) + sizeof(struct sctphdr);
if (iphdr->ip_tos != 0) {
ecn = iphdr->ip_tos & 0x02;
}
dst.sin_family = AF_INET;
#ifdef HAVE_SIN_LEN
dst.sin_len = sizeof(struct sockaddr_in);
#endif
dst.sin_addr = iphdr->ip_dst;
dst.sin_port = sh->dest_port;
src.sin_family = AF_INET;
#ifdef HAVE_SIN_LEN
src.sin_len = sizeof(struct sockaddr_in);
#endif
src.sin_addr = iphdr->ip_src;
src.sin_port = sh->src_port;
/* SCTP does not allow broadcasts or multicasts */
if (IN_MULTICAST(ntohl(dst.sin_addr.s_addr))) {
return (NULL);
}
if (SCTP_IS_IT_BROADCAST(dst.sin_addr, recvmbuf[0])) {
return (NULL);
}
port = 0;
#if defined(SCTP_WITH_NO_CSUM)
SCTP_STAT_INCR(sctps_recvnocrc);
#else
if (src.sin_addr.s_addr == dst.sin_addr.s_addr) {
compute_crc = 0;
SCTP_STAT_INCR(sctps_recvnocrc);
} else {
SCTP_STAT_INCR(sctps_recvswcrc);
}
#endif
SCTPDBG(SCTP_DEBUG_USR, "%s: Received %d bytes.", __func__, n);
SCTPDBG(SCTP_DEBUG_USR, " - calling sctp_common_input_processing with off=%d\n", offset);
sctp_common_input_processing(&recvmbuf[0], sizeof(struct ip), offset, n,
(struct sockaddr *)&src,
(struct sockaddr *)&dst,
sh, ch,
#if !defined(SCTP_WITH_NO_CSUM)
compute_crc,
#endif
ecn,
SCTP_DEFAULT_VRFID, port);
if (recvmbuf[0]) {
m_freem(recvmbuf[0]);
}
}
for (i = 0; i < MAXLEN_MBUF_CHAIN; i++) {
m_free(recvmbuf[i]);
}
/* free the array itself */
free(recvmbuf);
return (NULL);
}
/* This does not yet work on Linux */
static void *
recv_function_route(void *arg)
{
int len;
char buf[4096];
struct iovec iov = { buf, sizeof(buf) };
struct msghdr msg;
struct nlmsghdr *nh;
struct ifaddrmsg *rtmsg;
struct rtattr *rtatp;
struct in_addr *inp;
struct sockaddr_nl sanl;
#ifdef INET
struct sockaddr_in *sa;
#endif
#ifdef INET6
struct sockaddr_in6 *sa6;
#endif
for (;;) {
memset(&sanl, 0, sizeof(sanl));
sanl.nl_family = AF_NETLINK;
sanl.nl_groups = RTMGRP_IPV6_IFADDR | RTMGRP_IPV4_IFADDR;
memset(&msg, 0, sizeof(struct msghdr));
msg.msg_name = (void *)&sanl;
msg.msg_namelen = sizeof(sanl);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
len = recvmsg(SCTP_BASE_VAR(userspace_route), &msg, 0);
if (len < 0) {
if (errno == EAGAIN) {
continue;
} else {
break;
}
}
for (nh = (struct nlmsghdr *) buf; NLMSG_OK (nh, len);
nh = NLMSG_NEXT (nh, len)) {
if (nh->nlmsg_type == NLMSG_DONE)
break;
if (nh->nlmsg_type == RTM_NEWADDR || nh->nlmsg_type == RTM_DELADDR) {
rtmsg = (struct ifaddrmsg *)NLMSG_DATA(nh);
rtatp = (struct rtattr *)IFA_RTA(rtmsg);
if(rtatp->rta_type == IFA_ADDRESS) {
inp = (struct in_addr *)RTA_DATA(rtatp);
switch (rtmsg->ifa_family) {
#ifdef INET
case AF_INET:
sa = (struct sockaddr_in *)malloc(sizeof(struct sockaddr_in));
sa->sin_family = rtmsg->ifa_family;
sa->sin_port = 0;
memcpy(&sa->sin_addr, inp, sizeof(struct in_addr));
sctp_handle_ifamsg(nh->nlmsg_type, rtmsg->ifa_index, (struct sockaddr *)sa);
break;
#endif
#ifdef INET6
case AF_INET6:
sa6 = (struct sockaddr_in6 *)malloc(sizeof(struct sockaddr_in6));
sa6->sin6_family = rtmsg->ifa_family;
sa6->sin6_port = 0;
memcpy(&sa6->sin6_addr, inp, sizeof(struct in6_addr));
sctp_handle_ifamsg(nh->nlmsg_type, rtmsg->ifa_index, (struct sockaddr *)sa6);
break;
#endif
default:
SCTPDBG(SCTP_DEBUG_USR, "Address family %d not supported.\n", rtmsg->ifa_family);
break;
}
}
}
}
}
return (NULL);
}
/* free the array itself */
free(udprecvmbuf6);
return (NULL);
}
#endif
static void
setReceiveBufferSize(int sfd, int new_size)
{
int ch = new_size;
if (setsockopt (sfd, SOL_SOCKET, SO_RCVBUF, (void*)&ch, sizeof(ch)) < 0) {
#if defined (__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set recv-buffers size (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set recv-buffers size (errno = %d).\n", errno);
#endif
}
return;
}
static void
setSendBufferSize(int sfd, int new_size)
{
int ch = new_size;
if (setsockopt (sfd, SOL_SOCKET, SO_SNDBUF, (void*)&ch, sizeof(ch)) < 0) {
#if defined (__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set send-buffers size (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set send-buffers size (errno = %d).\n", errno);
#endif
}
return;
}
#define SOCKET_TIMEOUT 100 /* in ms */
void
recv_thread_init(void)
{
#if defined(INET)
struct sockaddr_in addr_ipv4;
const int hdrincl = 1;
#endif
#if defined(INET6)
struct sockaddr_in6 addr_ipv6;
#endif
#if defined(INET) || defined(INET6)
const int on = 1;
#endif
#if !defined(__Userspace_os_Windows)
struct timeval timeout;
timeout.tv_sec = (SOCKET_TIMEOUT / 1000);
timeout.tv_usec = (SOCKET_TIMEOUT % 1000) * 1000;
#else
unsigned int timeout = SOCKET_TIMEOUT; /* Timeout in milliseconds */
#endif
#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD)
if (SCTP_BASE_VAR(userspace_route) == -1) {
if ((SCTP_BASE_VAR(userspace_route) = socket(AF_ROUTE, SOCK_RAW, 0)) < 0) {
SCTPDBG(SCTP_DEBUG_USR, "Can't create routing socket (errno = %d).\n", errno);
}
#if 0
struct sockaddr_nl sanl;
if ((SCTP_BASE_VAR(userspace_route) = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE)) < 0) {
SCTPDBG(SCTP_DEBUG_USR, "Can't create routing socket (errno = %d.\n", errno);
}
memset(&sanl, 0, sizeof(sanl));
sanl.nl_family = AF_NETLINK;
sanl.nl_groups = 0;
#ifdef INET
sanl.nl_groups |= RTMGRP_IPV4_IFADDR;
#endif
#ifdef INET6
sanl.nl_groups |= RTMGRP_IPV6_IFADDR;
#endif
if (bind(SCTP_BASE_VAR(userspace_route), (struct sockaddr *) &sanl, sizeof(sanl)) < 0) {
SCTPDBG(SCTP_DEBUG_USR, "Can't bind routing socket (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_route));
SCTP_BASE_VAR(userspace_route) = -1;
}
#endif
if (SCTP_BASE_VAR(userspace_route) != -1) {
if (setsockopt(SCTP_BASE_VAR(userspace_route), SOL_SOCKET, SO_RCVTIMEO,(const void*)&timeout, sizeof(struct timeval)) < 0) {
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on routing socket (errno = %d).\n", errno);
#if defined(__Userspace_os_Windows)
closesocket(SCTP_BASE_VAR(userspace_route));
#else
close(SCTP_BASE_VAR(userspace_route));
#endif
SCTP_BASE_VAR(userspace_route) = -1;
}
}
}
#endif
#if defined(INET)
if (SCTP_BASE_VAR(userspace_rawsctp) == -1) {
if ((SCTP_BASE_VAR(userspace_rawsctp) = socket(AF_INET, SOCK_RAW, IPPROTO_SCTP)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't create raw socket for IPv4 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't create raw socket for IPv4 (errno = %d).\n", errno);
#endif
} else {
/* complete setting up the raw SCTP socket */
if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp), IPPROTO_IP, IP_HDRINCL,(const void*)&hdrincl, sizeof(int)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_HDRINCL (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_HDRINCL (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp));
#endif
SCTP_BASE_VAR(userspace_rawsctp) = -1;
} else if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv4 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv4 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp));
#endif
SCTP_BASE_VAR(userspace_rawsctp) = -1;
} else {
memset((void *)&addr_ipv4, 0, sizeof(struct sockaddr_in));
#ifdef HAVE_SIN_LEN
addr_ipv4.sin_len = sizeof(struct sockaddr_in);
#endif
addr_ipv4.sin_family = AF_INET;
addr_ipv4.sin_port = htons(0);
addr_ipv4.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(SCTP_BASE_VAR(userspace_rawsctp), (const struct sockaddr *)&addr_ipv4, sizeof(struct sockaddr_in)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv4 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv4 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp));
#endif
SCTP_BASE_VAR(userspace_rawsctp) = -1;
} else {
setReceiveBufferSize(SCTP_BASE_VAR(userspace_rawsctp), SB_RAW); /* 128K */
setSendBufferSize(SCTP_BASE_VAR(userspace_rawsctp), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */
}
}
}
}
if (SCTP_BASE_VAR(userspace_udpsctp) == -1) {
if ((SCTP_BASE_VAR(userspace_udpsctp) = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv4 (errno = %d).\n", errno);
#endif
} else {
#if defined(IP_PKTINFO)
if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp), IPPROTO_IP, IP_PKTINFO, (const void *)&on, (int)sizeof(int)) < 0) {
#else
if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp), IPPROTO_IP, IP_RECVDSTADDR, (const void *)&on, (int)sizeof(int)) < 0) {
#endif
#if defined(__Userspace_os_Windows)
#if defined(IP_PKTINFO)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_PKTINFO on socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_RECVDSTADDR on socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError());
#endif
closesocket(SCTP_BASE_VAR(userspace_udpsctp));
#else
#if defined(IP_PKTINFO)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_PKTINFO on socket for SCTP/UDP/IPv4 (errno = %d).\n", errno);
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_RECVDSTADDR on socket for SCTP/UDP/IPv4 (errno = %d).\n", errno);
#endif
close(SCTP_BASE_VAR(userspace_udpsctp));
#endif
SCTP_BASE_VAR(userspace_udpsctp) = -1;
} else if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_udpsctp));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv4 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_udpsctp));
#endif
SCTP_BASE_VAR(userspace_udpsctp) = -1;
} else {
memset((void *)&addr_ipv4, 0, sizeof(struct sockaddr_in));
#ifdef HAVE_SIN_LEN
addr_ipv4.sin_len = sizeof(struct sockaddr_in);
#endif
addr_ipv4.sin_family = AF_INET;
addr_ipv4.sin_port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port));
addr_ipv4.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(SCTP_BASE_VAR(userspace_udpsctp), (const struct sockaddr *)&addr_ipv4, sizeof(struct sockaddr_in)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_udpsctp));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv4 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_udpsctp));
#endif
SCTP_BASE_VAR(userspace_udpsctp) = -1;
} else {
setReceiveBufferSize(SCTP_BASE_VAR(userspace_udpsctp), SB_RAW); /* 128K */
setSendBufferSize(SCTP_BASE_VAR(userspace_udpsctp), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */
}
}
}
}
#endif
#if defined(INET6)
if (SCTP_BASE_VAR(userspace_rawsctp6) == -1) {
if ((SCTP_BASE_VAR(userspace_rawsctp6) = socket(AF_INET6, SOCK_RAW, IPPROTO_SCTP)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/IPv6 (errno = %d).\n", errno);
#endif
} else {
/* complete setting up the raw SCTP socket */
#if defined(IPV6_RECVPKTINFO)
if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), IPPROTO_IPV6, IPV6_RECVPKTINFO, (const void *)&on, sizeof(on)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp6));
#endif
SCTP_BASE_VAR(userspace_rawsctp6) = -1;
} else {
#else
if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), IPPROTO_IPV6, IPV6_PKTINFO,(const void*)&on, sizeof(on)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp6));
#endif
SCTP_BASE_VAR(userspace_rawsctp6) = -1;
} else {
#endif
if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), IPPROTO_IPV6, IPV6_V6ONLY, (const void*)&on, (socklen_t)sizeof(on)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/IPv6 (errno = %d).\n", errno);
#endif
}
if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp6));
#endif
SCTP_BASE_VAR(userspace_rawsctp6) = -1;
} else {
memset((void *)&addr_ipv6, 0, sizeof(struct sockaddr_in6));
#ifdef HAVE_SIN6_LEN
addr_ipv6.sin6_len = sizeof(struct sockaddr_in6);
#endif
addr_ipv6.sin6_family = AF_INET6;
addr_ipv6.sin6_port = htons(0);
addr_ipv6.sin6_addr = in6addr_any;
if (bind(SCTP_BASE_VAR(userspace_rawsctp6), (const struct sockaddr *)&addr_ipv6, sizeof(struct sockaddr_in6)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_rawsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_rawsctp6));
#endif
SCTP_BASE_VAR(userspace_rawsctp6) = -1;
} else {
setReceiveBufferSize(SCTP_BASE_VAR(userspace_rawsctp6), SB_RAW); /* 128K */
setSendBufferSize(SCTP_BASE_VAR(userspace_rawsctp6), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */
}
}
}
}
}
if (SCTP_BASE_VAR(userspace_udpsctp6) == -1) {
if ((SCTP_BASE_VAR(userspace_udpsctp6) = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv6 (errno = %d).\n", errno);
#endif
}
#if defined(IPV6_RECVPKTINFO)
if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), IPPROTO_IPV6, IPV6_RECVPKTINFO, (const void *)&on, (int)sizeof(int)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_udpsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_udpsctp6));
#endif
SCTP_BASE_VAR(userspace_udpsctp6) = -1;
} else {
#else
if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), IPPROTO_IPV6, IPV6_PKTINFO, (const void *)&on, (int)sizeof(int)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_udpsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_udpsctp6));
#endif
SCTP_BASE_VAR(userspace_udpsctp6) = -1;
} else {
#endif
if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), IPPROTO_IPV6, IPV6_V6ONLY, (const void *)&on, (socklen_t)sizeof(on)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError());
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno);
#endif
}
if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_udpsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_udpsctp6));
#endif
SCTP_BASE_VAR(userspace_udpsctp6) = -1;
} else {
memset((void *)&addr_ipv6, 0, sizeof(struct sockaddr_in6));
#ifdef HAVE_SIN6_LEN
addr_ipv6.sin6_len = sizeof(struct sockaddr_in6);
#endif
addr_ipv6.sin6_family = AF_INET6;
addr_ipv6.sin6_port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port));
addr_ipv6.sin6_addr = in6addr_any;
if (bind(SCTP_BASE_VAR(userspace_udpsctp6), (const struct sockaddr *)&addr_ipv6, sizeof(struct sockaddr_in6)) < 0) {
#if defined(__Userspace_os_Windows)
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError());
closesocket(SCTP_BASE_VAR(userspace_udpsctp6));
#else
SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv6 (errno = %d).\n", errno);
close(SCTP_BASE_VAR(userspace_udpsctp6));
#endif
SCTP_BASE_VAR(userspace_udpsctp6) = -1;
} else {
setReceiveBufferSize(SCTP_BASE_VAR(userspace_udpsctp6), SB_RAW); /* 128K */
setSendBufferSize(SCTP_BASE_VAR(userspace_udpsctp6), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */
}
}
}
}
#endif
#if !defined(__Userspace_os_Windows)
#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD)
#if defined(INET) || defined(INET6)
if (SCTP_BASE_VAR(userspace_route) != -1) {
int rc;
if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadroute), NULL, &recv_function_route, NULL))) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start routing thread (%d).\n", rc);
close(SCTP_BASE_VAR(userspace_route));
SCTP_BASE_VAR(userspace_route) = -1;
}
}
#endif
#endif
#if defined(INET)
if (SCTP_BASE_VAR(userspace_rawsctp) != -1) {
int rc;
if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadraw), NULL, &recv_function_raw, NULL))) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv4 recv thread (%d).\n", rc);
close(SCTP_BASE_VAR(userspace_rawsctp));
SCTP_BASE_VAR(userspace_rawsctp) = -1;
}
}
if (SCTP_BASE_VAR(userspace_udpsctp) != -1) {
int rc;
if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadudp), NULL, &recv_function_udp, NULL))) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv4 recv thread (%d).\n", rc);
close(SCTP_BASE_VAR(userspace_udpsctp));
SCTP_BASE_VAR(userspace_udpsctp) = -1;
}
}
#endif
#if defined(INET6)
if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) {
int rc;
if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadraw6), NULL, &recv_function_raw6, NULL))) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv6 recv thread (%d).\n", rc);
close(SCTP_BASE_VAR(userspace_rawsctp6));
SCTP_BASE_VAR(userspace_rawsctp6) = -1;
}
}
if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) {
int rc;
if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadudp6), NULL, &recv_function_udp6, NULL))) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv6 recv thread (%d).\n", rc);
close(SCTP_BASE_VAR(userspace_udpsctp6));
SCTP_BASE_VAR(userspace_udpsctp6) = -1;
}
}
#endif
#else
#if defined(INET)
if (SCTP_BASE_VAR(userspace_rawsctp) != -1) {
if ((SCTP_BASE_VAR(recvthreadraw) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_raw, NULL, 0, NULL)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv4 recv thread.\n");
closesocket(SCTP_BASE_VAR(userspace_rawsctp));
SCTP_BASE_VAR(userspace_rawsctp) = -1;
}
}
if (SCTP_BASE_VAR(userspace_udpsctp) != -1) {
if ((SCTP_BASE_VAR(recvthreadudp) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_udp, NULL, 0, NULL)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv4 recv thread.\n");
closesocket(SCTP_BASE_VAR(userspace_udpsctp));
SCTP_BASE_VAR(userspace_udpsctp) = -1;
}
}
#endif
#if defined(INET6)
if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) {
if ((SCTP_BASE_VAR(recvthreadraw6) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_raw6, NULL, 0, NULL)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv6 recv thread.\n");
closesocket(SCTP_BASE_VAR(userspace_rawsctp6));
SCTP_BASE_VAR(userspace_rawsctp6) = -1;
}
}
if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) {
if ((SCTP_BASE_VAR(recvthreadudp6) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_udp6, NULL, 0, NULL)) == NULL) {
SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv6 recv thread.\n");
closesocket(SCTP_BASE_VAR(userspace_udpsctp6));
SCTP_BASE_VAR(userspace_udpsctp6) = -1;
}
}
#endif
#endif
}
void
recv_thread_destroy(void)
{
#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD)
#if defined(INET) || defined(INET6)
if (SCTP_BASE_VAR(userspace_route) != -1) {
close(SCTP_BASE_VAR(userspace_route));
}
#endif
#endif
#if defined(INET)
if (SCTP_BASE_VAR(userspace_rawsctp) != -1) {
#if defined(__Userspace_os_Windows)
closesocket(SCTP_BASE_VAR(userspace_rawsctp));
#else
close(SCTP_BASE_VAR(userspace_rawsctp));
#endif
}
if (SCTP_BASE_VAR(userspace_udpsctp) != -1) {
#if defined(__Userspace_os_Windows)
closesocket(SCTP_BASE_VAR(userspace_udpsctp));
#else
close(SCTP_BASE_VAR(userspace_udpsctp));
#endif
}
#endif
#if defined(INET6)
if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) {
#if defined(__Userspace_os_Windows)
closesocket(SCTP_BASE_VAR(userspace_rawsctp6));
#else
close(SCTP_BASE_VAR(userspace_rawsctp6));
#endif
}
if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) {
#if defined(__Userspace_os_Windows)
closesocket(SCTP_BASE_VAR(userspace_udpsctp6));
#else
close(SCTP_BASE_VAR(userspace_udpsctp6));
#endif
}
#endif
}
#else
int foo;