1 /* ****************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
21 #ifndef __APPLE_USE_RFC_3542
22 #define __APPLE_USE_RFC_3542 // for PKTINFO
25 #define _GNU_SOURCE // for in6_pktinfo
28 #include "iotivity_config.h"
29 #include <sys/types.h>
31 #include <sys/socket.h>
43 #if !defined(_MSC_VER)
45 #endif //!defined(_MSC_VER)
46 #include <sys/types.h>
49 #include <sys/select.h>
50 #include <arpa/inet.h>
51 #include <netinet/in.h>
56 #include <linux/netlink.h>
57 #include <linux/rtnetlink.h>
61 #include "caipinterface.h"
62 #include "caipnwmonitor.h"
63 #include "caadapterutils.h"
64 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
65 #include "ca_adapter_net_ssl.h"
68 #include "oic_malloc.h"
69 #include "oic_string.h"
77 * Logging tag for module name
79 #define TAG "OIC_CA_IP_SERVER"
81 #define SELECT_TIMEOUT 1 // select() seconds (and termination latency)
83 #define IPv4_MULTICAST "224.0.1.187"
84 static struct in_addr IPv4MulticastAddress = { 0 };
86 #define IPv6_DOMAINS 16
87 #define IPv6_MULTICAST_INT "ff01::158"
88 static struct in6_addr IPv6MulticastAddressInt;
89 #define IPv6_MULTICAST_LNK "ff02::158"
90 static struct in6_addr IPv6MulticastAddressLnk;
91 #define IPv6_MULTICAST_RLM "ff03::158"
92 static struct in6_addr IPv6MulticastAddressRlm;
93 #define IPv6_MULTICAST_ADM "ff04::158"
94 static struct in6_addr IPv6MulticastAddressAdm;
95 #define IPv6_MULTICAST_SIT "ff05::158"
96 static struct in6_addr IPv6MulticastAddressSit;
97 #define IPv6_MULTICAST_ORG "ff08::158"
98 static struct in6_addr IPv6MulticastAddressOrg;
99 #define IPv6_MULTICAST_GLB "ff0e::158"
100 static struct in6_addr IPv6MulticastAddressGlb;
102 static char *ipv6mcnames[IPv6_DOMAINS] = {
122 #define IFF_UP_RUNNING_FLAGS (IFF_UP)
124 char* caips_get_error(){
125 static char buffer[32];
126 snprintf(buffer, 32, "%i", WSAGetLastError());
129 #define CAIPS_GET_ERROR \
132 #define IFF_UP_RUNNING_FLAGS (IFF_UP|IFF_RUNNING)
134 #define CAIPS_GET_ERROR \
137 static CAIPErrorHandleCallback g_ipErrorHandler = NULL;
139 static CAIPPacketReceivedCallback g_packetReceivedCallback = NULL;
141 static void CAFindReadyMessage();
142 #if !defined(WSA_WAIT_EVENT_0)
143 static void CASelectReturned(fd_set *readFds, int ret);
145 static void CAEventReturned(CASocketFd_t socket);
148 static CAResult_t CAReceiveMessage(CASocketFd_t fd, CATransportFlags_t flags);
150 static void CAReceiveHandler(void *data)
154 while (!caglobals.ip.terminate)
156 CAFindReadyMessage();
160 #if !defined(WSA_WAIT_EVENT_0)
162 #define CLOSE_SOCKET(TYPE) \
163 if (caglobals.ip.TYPE.fd != OC_INVALID_SOCKET) \
165 close(caglobals.ip.TYPE.fd); \
166 caglobals.ip.TYPE.fd = OC_INVALID_SOCKET; \
169 #define SET(TYPE, FDS) \
170 if (caglobals.ip.TYPE.fd != OC_INVALID_SOCKET) \
172 FD_SET(caglobals.ip.TYPE.fd, FDS); \
175 #define ISSET(TYPE, FDS, FLAGS) \
176 if (caglobals.ip.TYPE.fd != OC_INVALID_SOCKET && FD_ISSET(caglobals.ip.TYPE.fd, FDS)) \
178 fd = caglobals.ip.TYPE.fd; \
183 static void CAFindReadyMessage()
186 struct timeval timeout;
188 timeout.tv_sec = caglobals.ip.selectTimeout;
190 struct timeval *tv = caglobals.ip.selectTimeout == -1 ? NULL : &timeout;
202 if (caglobals.ip.shutdownFds[0] != -1)
204 FD_SET(caglobals.ip.shutdownFds[0], &readFds);
206 if (caglobals.ip.netlinkFd != OC_INVALID_SOCKET)
208 FD_SET(caglobals.ip.netlinkFd, &readFds);
211 int ret = select(caglobals.ip.maxfd + 1, &readFds, NULL, NULL, tv);
213 if (caglobals.ip.terminate)
215 OIC_LOG_V(DEBUG, TAG, "Packet receiver Stop request received.");
221 CASelectReturned(&readFds, ret);
225 OIC_LOG_V(FATAL, TAG, "select error %s", CAIPS_GET_ERROR);
229 static void CASelectReturned(fd_set *readFds, int ret)
232 CASocketFd_t fd = OC_INVALID_SOCKET;
233 CATransportFlags_t flags = CA_DEFAULT_FLAGS;
235 while (!caglobals.ip.terminate)
237 ISSET(u6, readFds, CA_IPV6)
238 else ISSET(u6s, readFds, CA_IPV6 | CA_SECURE)
239 else ISSET(u4, readFds, CA_IPV4)
240 else ISSET(u4s, readFds, CA_IPV4 | CA_SECURE)
241 else ISSET(m6, readFds, CA_MULTICAST | CA_IPV6)
242 else ISSET(m6s, readFds, CA_MULTICAST | CA_IPV6 | CA_SECURE)
243 else ISSET(m4, readFds, CA_MULTICAST | CA_IPV4)
244 else ISSET(m4s, readFds, CA_MULTICAST | CA_IPV4 | CA_SECURE)
245 else if ((caglobals.ip.netlinkFd != OC_INVALID_SOCKET) && FD_ISSET(caglobals.ip.netlinkFd, readFds))
247 u_arraylist_t *iflist = CAFindInterfaceChange();
250 uint32_t listLength = u_arraylist_length(iflist);
251 for (uint32_t i = 0; i < listLength; i++)
253 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
256 CAProcessNewInterface(ifitem);
259 u_arraylist_destroy(iflist);
263 else if (FD_ISSET(caglobals.ip.shutdownFds[0], readFds))
266 ssize_t len = read(caglobals.ip.shutdownFds[0], buf, sizeof (buf));
277 (void)CAReceiveMessage(fd, flags);
282 #else // if defined(WSA_WAIT_EVENT_0)
284 #define CLOSE_SOCKET(TYPE) \
285 if (caglobals.ip.TYPE.fd != OC_INVALID_SOCKET) \
287 closesocket(caglobals.ip.TYPE.fd); \
288 caglobals.ip.TYPE.fd = OC_INVALID_SOCKET; \
291 #define PUSH_HANDLE(HANDLE, ARRAY, INDEX) \
293 ARRAY[INDEX] = HANDLE; \
297 // Turn handle into WSAEvent and push to ARRAY
298 #define PUSH_SOCKET(SOCKET, ARRAY, INDEX) \
299 if (SOCKET != OC_INVALID_SOCKET) \
302 NewEvent = WSACreateEvent(); \
303 if (WSA_INVALID_EVENT != NewEvent) \
305 if (0 != WSAEventSelect(SOCKET, NewEvent, FD_READ)) \
307 OIC_LOG_V(ERROR, TAG, "WSAEventSelect failed 0x%08x ", WSAGetLastError()); \
308 if (!WSACloseEvent(NewEvent)) \
310 OIC_LOG_V(ERROR, TAG, "WSACloseEvent(NewEvent) failed 0x%08x", WSAGetLastError()); \
315 PUSH_HANDLE(NewEvent, ARRAY, INDEX); \
320 OIC_LOG_V(ERROR, TAG, "WSACreateEvent(NewEvent) failed 0x%08x", WSAGetLastError()); \
324 #define INSERT_SOCKET(FD, ARRAY, INDEX) \
326 if (OC_INVALID_SOCKET != FD) \
333 // Inserts the socket into the SOCKET_ARRAY and pushes the socket event into EVENT_ARRAY
334 #define PUSH_IP_SOCKET(TYPE, EVENT_ARRAY, SOCKET_ARRAY, INDEX) \
336 if (OC_INVALID_SOCKET != caglobals.ip.TYPE.fd) \
338 INSERT_SOCKET(caglobals.ip.TYPE.fd, SOCKET_ARRAY, INDEX); \
339 PUSH_SOCKET(caglobals.ip.TYPE.fd, EVENT_ARRAY, INDEX); \
343 #define IS_MATCHING_IP_SOCKET(TYPE, SOCKET, FLAGS) \
344 if ((caglobals.ip.TYPE.fd != OC_INVALID_SOCKET) && (caglobals.ip.TYPE.fd == SOCKET)) \
346 fd = caglobals.ip.TYPE.fd; \
350 #define EVENT_ARRAY_SIZE 10
352 static void CAFindReadyMessage()
354 CASocketFd_t socketArray[EVENT_ARRAY_SIZE];
355 HANDLE eventArray[EVENT_ARRAY_SIZE];
359 // socketArray and eventArray should have same number of elements
360 OC_STATIC_ASSERT(_countof(socketArray) == _countof(eventArray), "Arrays should have same number of elements");
362 PUSH_IP_SOCKET(u6, eventArray, socketArray, arraySize);
363 PUSH_IP_SOCKET(u6s, eventArray, socketArray, arraySize);
364 PUSH_IP_SOCKET(u4, eventArray, socketArray, arraySize);
365 PUSH_IP_SOCKET(u4s, eventArray, socketArray, arraySize);
366 PUSH_IP_SOCKET(m6, eventArray, socketArray, arraySize);
367 PUSH_IP_SOCKET(m6s, eventArray, socketArray, arraySize);
368 PUSH_IP_SOCKET(m4, eventArray, socketArray, arraySize);
369 PUSH_IP_SOCKET(m4s, eventArray, socketArray, arraySize);
371 if (WSA_INVALID_EVENT != caglobals.ip.shutdownEvent)
373 INSERT_SOCKET(OC_INVALID_SOCKET, socketArray, arraySize);
374 PUSH_HANDLE(caglobals.ip.shutdownEvent, eventArray, arraySize);
377 /** @todo Support netlink events */
379 // Should not have overflowed buffer
380 assert(arraySize <= (_countof(socketArray)));
382 // Timeout is unnecessary on Windows
383 assert(-1 == caglobals.ip.selectTimeout);
385 while (!caglobals.ip.terminate)
387 int ret = WSAWaitForMultipleEvents(arraySize, eventArray, FALSE, WSA_INFINITE, FALSE);
391 case WSA_WAIT_FAILED:
392 OIC_LOG_V(ERROR, TAG, "WSAWaitForMultipleEvents returned WSA_WAIT_FAILED 0x%08x", WSAGetLastError());
394 case WSA_WAIT_IO_COMPLETION:
395 OIC_LOG_V(ERROR, TAG, "WSAWaitForMultipleEvents returned WSA_WAIT_IO_COMPLETION 0x%08x", WSAGetLastError());
397 case WSA_WAIT_TIMEOUT:
398 OIC_LOG_V(ERROR, TAG, "WSAWaitForMultipleEvents returned WSA_WAIT_TIMEOUT 0x%08x", WSAGetLastError());
401 eventIndex = ret - WSA_WAIT_EVENT_0;
402 if ((eventIndex >= 0) && (eventIndex < arraySize))
404 if (false == WSAResetEvent(eventArray[eventIndex]))
406 OIC_LOG_V(ERROR, TAG, "WSAResetEvent failed 0x%08x", WSAGetLastError());
409 // Break out if shutdownEvent is triggered.
410 if ((caglobals.ip.shutdownEvent != WSA_INVALID_EVENT) &&
411 (caglobals.ip.shutdownEvent == eventArray[eventIndex]))
415 CAEventReturned(socketArray[eventIndex]);
419 OIC_LOG_V(ERROR, TAG, "WSAWaitForMultipleEvents failed 0x%08x", WSAGetLastError());
426 while (arraySize > 0)
429 if (!WSACloseEvent(eventArray[arraySize]))
431 OIC_LOG_V(ERROR, TAG, "WSACloseEvent (Index %i) failed 0x%08x", arraySize, WSAGetLastError());
435 if (caglobals.ip.terminate)
437 caglobals.ip.shutdownEvent = WSA_INVALID_EVENT;
442 static void CAEventReturned(CASocketFd_t socket)
444 CASocketFd_t fd = OC_INVALID_SOCKET;
445 CATransportFlags_t flags = CA_DEFAULT_FLAGS;
447 while (!caglobals.ip.terminate)
449 IS_MATCHING_IP_SOCKET(u6, socket, CA_IPV6)
450 else IS_MATCHING_IP_SOCKET(u6s, socket, CA_IPV6 | CA_SECURE)
451 else IS_MATCHING_IP_SOCKET(u4, socket, CA_IPV4)
452 else IS_MATCHING_IP_SOCKET(u4s, socket, CA_IPV4 | CA_SECURE)
453 else IS_MATCHING_IP_SOCKET(m6, socket, CA_MULTICAST | CA_IPV6)
454 else IS_MATCHING_IP_SOCKET(m6s, socket, CA_MULTICAST | CA_IPV6 | CA_SECURE)
455 else IS_MATCHING_IP_SOCKET(m4, socket, CA_MULTICAST | CA_IPV4)
456 else IS_MATCHING_IP_SOCKET(m4s, socket, CA_MULTICAST | CA_IPV4 | CA_SECURE)
461 (void)CAReceiveMessage(socket, flags);
462 // We will never get more than one match per socket, so always break.
469 void CADeInitializeIPGlobals()
480 if (caglobals.ip.netlinkFd != OC_INVALID_SOCKET)
483 closesocket(caglobals.ip.netlinkFd);
485 close(caglobals.ip.netlinkFd);
487 caglobals.ip.netlinkFd = OC_INVALID_SOCKET;
491 static CAResult_t CAReceiveMessage(CASocketFd_t fd, CATransportFlags_t flags)
493 char recvBuffer[COAP_MAX_PDU_SIZE] = {0};
499 struct sockaddr_storage srcAddr = { .ss_family = 0 };
500 unsigned char *pktinfo = NULL;
501 #if !defined(WSA_CMSG_DATA)
502 struct cmsghdr *cmp = NULL;
503 struct iovec iov = { .iov_base = recvBuffer, .iov_len = sizeof (recvBuffer) };
507 unsigned char data[CMSG_SPACE(sizeof (struct in6_pktinfo))];
512 namelen = sizeof (struct sockaddr_in6);
513 level = IPPROTO_IPV6;
515 len = sizeof (struct in6_pktinfo);
519 namelen = sizeof (struct sockaddr_in);
522 len = sizeof (struct in6_pktinfo);
525 struct msghdr msg = { .msg_name = &srcAddr,
526 .msg_namelen = namelen,
529 .msg_control = &cmsg,
530 .msg_controllen = CMSG_SPACE(len) };
532 ssize_t recvLen = recvmsg(fd, &msg, flags);
533 if (OC_SOCKET_ERROR == recvLen)
535 OIC_LOG_V(ERROR, TAG, "Recvfrom failed %s", strerror(errno));
536 return CA_STATUS_FAILED;
539 if (flags & CA_MULTICAST)
541 for (cmp = CMSG_FIRSTHDR(&msg); cmp != NULL; cmp = CMSG_NXTHDR(&msg, cmp))
543 if (cmp->cmsg_level == level && cmp->cmsg_type == type)
545 pktinfo = CMSG_DATA(cmp);
549 #else // if defined(WSA_CMSG_DATA)
553 uint8_t data[WSA_CMSG_SPACE(sizeof (IN6_PKTINFO))];
555 memset(&cmsg, 0, sizeof(cmsg));
559 namelen = sizeof (struct sockaddr_in6);
560 level = IPPROTO_IPV6;
565 namelen = sizeof (struct sockaddr_in);
570 WSABUF iov = {.len = sizeof (recvBuffer), .buf = recvBuffer};
571 WSAMSG msg = {.name = (PSOCKADDR)&srcAddr,
575 .Control = {.buf = cmsg.data, .len = sizeof (cmsg)}
578 uint32_t recvLen = 0;
579 uint32_t ret = caglobals.ip.wsaRecvMsg(fd, &msg, &recvLen, 0,0);
580 OIC_LOG_V(DEBUG, TAG, "WSARecvMsg recvd %u bytes", recvLen);
581 if (OC_SOCKET_ERROR == ret)
583 OIC_LOG_V(ERROR, TAG, "WSARecvMsg failed %i", WSAGetLastError());
586 if (flags & CA_MULTICAST)
588 for (WSACMSGHDR *cmp = WSA_CMSG_FIRSTHDR(&msg); cmp != NULL;
589 cmp = WSA_CMSG_NXTHDR(&msg, cmp))
591 if (cmp->cmsg_level == level && cmp->cmsg_type == type)
593 pktinfo = WSA_CMSG_DATA(cmp);
597 #endif // !defined(WSA_CMSG_DATA)
598 CASecureEndpoint_t sep = {.endpoint = {.adapter = CA_ADAPTER_IP, .flags = flags}};
602 /** @todo figure out correct usage for ifindex, and sin6_scope_id.*/
603 if ((flags & CA_MULTICAST) && pktinfo)
605 struct in6_addr *addr = &(((struct in6_pktinfo *)pktinfo)->ipi6_addr);
606 unsigned char topbits = ((unsigned char *)addr)[0];
609 sep.endpoint.flags &= ~CA_MULTICAST;
615 if ((flags & CA_MULTICAST) && pktinfo)
617 struct in_addr *addr = &((struct in_pktinfo *)pktinfo)->ipi_addr;
618 uint32_t host = ntohl(addr->s_addr);
619 unsigned char topbits = ((unsigned char *)&host)[3];
620 if (topbits < 224 || topbits > 239)
622 sep.endpoint.flags &= ~CA_MULTICAST;
627 CAConvertAddrToName(&srcAddr, namelen, sep.endpoint.addr, &sep.endpoint.port);
629 if (flags & CA_SECURE)
632 int ret = CAdecryptSsl(&sep, (uint8_t *)recvBuffer, recvLen);
633 OIC_LOG_V(DEBUG, TAG, "CAdecryptSsl returns [%d]", ret);
635 OIC_LOG(ERROR, TAG, "Encrypted message but no DTLS");
640 if (g_packetReceivedCallback)
642 g_packetReceivedCallback(&sep, recvBuffer, recvLen);
652 OIC_LOG(DEBUG, TAG, "IN");
653 OIC_LOG(DEBUG, TAG, "OUT");
656 static CASocketFd_t CACreateSocket(int family, uint16_t *port, bool isMulticast)
658 int socktype = SOCK_DGRAM;
660 socktype |= SOCK_CLOEXEC;
662 CASocketFd_t fd = socket(family, socktype, IPPROTO_UDP);
663 if (OC_INVALID_SOCKET == fd)
665 OIC_LOG_V(ERROR, TAG, "create socket failed: %s", CAIPS_GET_ERROR);
666 return OC_INVALID_SOCKET;
669 #if !defined(SOCK_CLOEXEC) && defined(FD_CLOEXEC)
670 int fl = fcntl(fd, F_GETFD);
671 if (-1 == fl || -1 == fcntl(fd, F_SETFD, fl|FD_CLOEXEC))
673 OIC_LOG_V(ERROR, TAG, "set FD_CLOEXEC failed: %s", strerror(errno));
675 return OC_INVALID_SOCKET;
678 struct sockaddr_storage sa = { .ss_family = family };
679 socklen_t socklen = 0;
681 if (family == AF_INET6)
685 if (OC_SOCKET_ERROR == setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, OPTVAL_T(&on), sizeof (on)))
687 OIC_LOG_V(ERROR, TAG, "IPV6_V6ONLY failed: %s", CAIPS_GET_ERROR);
690 if (isMulticast && *port) // only do this for multicast ports
692 #if defined(IPV6_RECVPKTINFO)
693 if (OC_SOCKET_ERROR == setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &on, sizeof (on)))
695 if (OC_SOCKET_ERROR == setsockopt(fd, IPPROTO_IPV6, IPV6_PKTINFO, OPTVAL_T(&on), sizeof (on)))
698 OIC_LOG_V(ERROR, TAG, "IPV6_RECVPKTINFO failed: %s",CAIPS_GET_ERROR);
702 ((struct sockaddr_in6 *)&sa)->sin6_port = htons(*port);
703 socklen = sizeof (struct sockaddr_in6);
707 if (isMulticast && *port) // only do this for multicast ports
710 if (OC_SOCKET_ERROR == setsockopt(fd, IPPROTO_IP, IP_PKTINFO, OPTVAL_T(&on), sizeof (on)))
712 OIC_LOG_V(ERROR, TAG, "IP_PKTINFO failed: %s", CAIPS_GET_ERROR);
716 ((struct sockaddr_in *)&sa)->sin_port = htons(*port);
717 socklen = sizeof (struct sockaddr_in);
720 if (isMulticast && *port) // use the given port
723 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, OPTVAL_T(&on), sizeof (on)))
725 OIC_LOG_V(ERROR, TAG, "SO_REUSEADDR failed: %s", CAIPS_GET_ERROR);
731 return OC_INVALID_SOCKET;
735 if (OC_SOCKET_ERROR == bind(fd, (struct sockaddr *)&sa, socklen))
737 OIC_LOG_V(ERROR, TAG, "bind socket failed: %s", CAIPS_GET_ERROR);
743 return OC_INVALID_SOCKET;
746 if (!*port) // return the assigned port
748 if (OC_SOCKET_ERROR == getsockname(fd, (struct sockaddr *)&sa, &socklen))
750 OIC_LOG_V(ERROR, TAG, "getsockname failed: %s", CAIPS_GET_ERROR);
756 return OC_INVALID_SOCKET;
758 *port = ntohs(family == AF_INET6 ?
759 ((struct sockaddr_in6 *)&sa)->sin6_port :
760 ((struct sockaddr_in *)&sa)->sin_port);
766 #define CHECKFD(FD) \
767 if (FD > caglobals.ip.maxfd) \
768 caglobals.ip.maxfd = FD;
769 #define NEWSOCKET(FAMILY, NAME, MULTICAST) \
770 caglobals.ip.NAME.fd = CACreateSocket(FAMILY, &caglobals.ip.NAME.port, MULTICAST); \
771 if (caglobals.ip.NAME.fd == OC_INVALID_SOCKET) \
773 caglobals.ip.NAME.port = 0; \
774 caglobals.ip.NAME.fd = CACreateSocket(FAMILY, &caglobals.ip.NAME.port, MULTICAST); \
776 CHECKFD(caglobals.ip.NAME.fd)
778 static void CAInitializeNetlink()
780 caglobals.ip.netlinkFd = OC_INVALID_SOCKET;
782 // create NETLINK fd for interface change notifications
783 struct sockaddr_nl sa = { AF_NETLINK, 0, 0,
784 RTMGRP_LINK | RTMGRP_IPV4_IFADDR | RTMGRP_IPV6_IFADDR };
786 caglobals.ip.netlinkFd = socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_ROUTE);
787 if (caglobals.ip.netlinkFd == OC_INVALID_SOCKET)
789 OIC_LOG_V(ERROR, TAG, "netlink socket failed: %s", strerror(errno));
793 int r = bind(caglobals.ip.netlinkFd, (struct sockaddr *)&sa, sizeof (sa));
796 OIC_LOG_V(ERROR, TAG, "netlink bind failed: %s", strerror(errno));
797 close(caglobals.ip.netlinkFd);
798 caglobals.ip.netlinkFd = OC_INVALID_SOCKET;
802 CHECKFD(caglobals.ip.netlinkFd);
808 static void CAInitializeFastShutdownMechanism()
810 caglobals.ip.selectTimeout = -1; // don't poll for shutdown
812 #if defined(WSA_WAIT_EVENT_0)
813 caglobals.ip.shutdownEvent = WSACreateEvent();
814 if (WSA_INVALID_EVENT != caglobals.ip.shutdownEvent)
818 #elif defined(HAVE_PIPE2)
819 ret = pipe2(caglobals.ip.shutdownFds, O_CLOEXEC);
820 CHECKFD(caglobals.ip.shutdownFds[0]);
821 CHECKFD(caglobals.ip.shutdownFds[1]);
823 ret = pipe(caglobals.ip.shutdownFds);
826 ret = fcntl(caglobals.ip.shutdownFds[0], F_GETFD);
829 ret = fcntl(caglobals.ip.shutdownFds[0], F_SETFD, ret|FD_CLOEXEC);
833 ret = fcntl(caglobals.ip.shutdownFds[1], F_GETFD);
837 ret = fcntl(caglobals.ip.shutdownFds[1], F_SETFD, ret|FD_CLOEXEC);
841 close(caglobals.ip.shutdownFds[1]);
842 close(caglobals.ip.shutdownFds[0]);
843 caglobals.ip.shutdownFds[0] = -1;
844 caglobals.ip.shutdownFds[1] = -1;
847 CHECKFD(caglobals.ip.shutdownFds[0]);
848 CHECKFD(caglobals.ip.shutdownFds[1]);
852 OIC_LOG_V(ERROR, TAG, "fast shutdown mechanism init failed: %s", CAIPS_GET_ERROR);
853 caglobals.ip.selectTimeout = SELECT_TIMEOUT; //poll needed for shutdown
857 CAResult_t CAIPStartServer(const ca_thread_pool_t threadPool)
859 CAResult_t res = CA_STATUS_OK;
861 if (caglobals.ip.started)
866 WORD wVersionRequested = MAKEWORD(2, 2);
867 WSADATA wsaData ={.wVersion = 0};
868 int err = WSAStartup(wVersionRequested, &wsaData);
871 OIC_LOG_V(ERROR, TAG, "WSAStartup failed: %i", err);
872 return CA_STATUS_FAILED;
874 OIC_LOG(DEBUG, TAG, "WSAStartup Succeeded");
876 if (!IPv4MulticastAddress.s_addr)
878 (void)inet_pton(AF_INET, IPv4_MULTICAST, &IPv4MulticastAddress);
879 (void)inet_pton(AF_INET6, IPv6_MULTICAST_INT, &IPv6MulticastAddressInt);
880 (void)inet_pton(AF_INET6, IPv6_MULTICAST_LNK, &IPv6MulticastAddressLnk);
881 (void)inet_pton(AF_INET6, IPv6_MULTICAST_RLM, &IPv6MulticastAddressRlm);
882 (void)inet_pton(AF_INET6, IPv6_MULTICAST_ADM, &IPv6MulticastAddressAdm);
883 (void)inet_pton(AF_INET6, IPv6_MULTICAST_SIT, &IPv6MulticastAddressSit);
884 (void)inet_pton(AF_INET6, IPv6_MULTICAST_ORG, &IPv6MulticastAddressOrg);
885 (void)inet_pton(AF_INET6, IPv6_MULTICAST_GLB, &IPv6MulticastAddressGlb);
888 if (!caglobals.ip.ipv6enabled && !caglobals.ip.ipv4enabled)
890 caglobals.ip.ipv4enabled = true; // only needed to run CA tests
893 if (caglobals.ip.ipv6enabled)
895 NEWSOCKET(AF_INET6, u6, false)
896 NEWSOCKET(AF_INET6, u6s, false)
897 NEWSOCKET(AF_INET6, m6, true)
898 NEWSOCKET(AF_INET6, m6s, true)
899 OIC_LOG_V(INFO, TAG, "IPv6 unicast port: %u", caglobals.ip.u6.port);
901 if (caglobals.ip.ipv4enabled)
903 NEWSOCKET(AF_INET, u4, false)
904 NEWSOCKET(AF_INET, u4s, false)
905 NEWSOCKET(AF_INET, m4, true)
906 NEWSOCKET(AF_INET, m4s, true)
907 OIC_LOG_V(INFO, TAG, "IPv4 unicast port: %u", caglobals.ip.u4.port);
910 OIC_LOG_V(DEBUG, TAG,
911 "socket summary: u6=%d, u6s=%d, u4=%d, u4s=%d, m6=%d, m6s=%d, m4=%d, m4s=%d",
912 caglobals.ip.u6.fd, caglobals.ip.u6s.fd, caglobals.ip.u4.fd, caglobals.ip.u4s.fd,
913 caglobals.ip.m6.fd, caglobals.ip.m6s.fd, caglobals.ip.m4.fd, caglobals.ip.m4s.fd);
915 OIC_LOG_V(DEBUG, TAG,
916 "port summary: u6 port=%d, u6s port=%d, u4 port=%d, u4s port=%d, m6 port=%d,"
917 "m6s port=%d, m4 port=%d, m4s port=%d",
918 caglobals.ip.u6.port, caglobals.ip.u6s.port, caglobals.ip.u4.port,
919 caglobals.ip.u4s.port, caglobals.ip.m6.port, caglobals.ip.m6s.port,
920 caglobals.ip.m4.port, caglobals.ip.m4s.port);
921 #if defined (SIO_GET_EXTENSION_FUNCTION_POINTER)
922 caglobals.ip.wsaRecvMsg = NULL;
923 GUID GuidWSARecvMsg = WSAID_WSARECVMSG;
925 err = WSAIoctl(caglobals.ip.u4.fd, SIO_GET_EXTENSION_FUNCTION_POINTER, &GuidWSARecvMsg, sizeof(GuidWSARecvMsg), &(caglobals.ip.wsaRecvMsg), sizeof(caglobals.ip.wsaRecvMsg), &copied, 0, 0);
928 OIC_LOG_V(ERROR, TAG, "WSAIoctl failed %i", WSAGetLastError());
929 return CA_STATUS_FAILED;
932 // set up appropriate FD mechanism for fast shutdown
933 CAInitializeFastShutdownMechanism();
935 // create source of network interface change notifications
936 CAInitializeNetlink();
938 caglobals.ip.selectTimeout = CAGetPollingInterval(caglobals.ip.selectTimeout);
940 res = CAIPStartListenServer();
941 if (CA_STATUS_OK != res)
943 OIC_LOG_V(ERROR, TAG, "Failed to start listening server![%d]", res);
947 caglobals.ip.terminate = false;
948 res = ca_thread_pool_add_task(threadPool, CAReceiveHandler, NULL);
949 if (CA_STATUS_OK != res)
951 OIC_LOG(ERROR, TAG, "thread_pool_add_task failed");
954 OIC_LOG(DEBUG, TAG, "CAReceiveHandler thread started successfully.");
956 caglobals.ip.started = true;
960 void CAIPStopServer()
962 caglobals.ip.started = false;
963 caglobals.ip.terminate = true;
965 #if !defined(WSA_WAIT_EVENT_0)
966 if (caglobals.ip.shutdownFds[1] != -1)
968 close(caglobals.ip.shutdownFds[1]);
969 // receive thread will stop immediately
973 // receive thread will stop in SELECT_TIMEOUT seconds.
976 // receive thread will stop immediately.
977 if (!WSASetEvent(caglobals.ip.shutdownEvent))
979 OIC_LOG_V(DEBUG, TAG, "set shutdown event failed: %#08X", GetLastError());
984 void CAWakeUpForChange()
986 #if !defined(WSA_WAIT_EVENT_0)
987 if (caglobals.ip.shutdownFds[1] != -1)
992 len = write(caglobals.ip.shutdownFds[1], "w", 1);
993 } while ((len == -1) && (errno == EINTR));
994 if ((len == -1) && (errno != EINTR) && (errno != EPIPE))
996 OIC_LOG_V(DEBUG, TAG, "write failed: %s", strerror(errno));
1000 if (!WSASetEvent(caglobals.ip.shutdownEvent))
1002 OIC_LOG_V(DEBUG, TAG, "set shutdown event failed: %#08X", GetLastError());
1007 static void applyMulticastToInterface4(uint32_t ifindex)
1009 if (!caglobals.ip.ipv4enabled)
1014 #if defined(USE_IP_MREQN)
1015 struct ip_mreqn mreq = { .imr_multiaddr = IPv4MulticastAddress,
1016 .imr_address.s_addr = htonl(INADDR_ANY),
1017 .imr_ifindex = ifindex };
1019 struct ip_mreq mreq = { .imr_multiaddr.s_addr = IPv4MulticastAddress.s_addr,
1020 .imr_interface.s_addr = htonl(ifindex) };
1023 int ret = setsockopt(caglobals.ip.m4.fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, OPTVAL_T(&mreq), sizeof (mreq));
1024 if (OC_SOCKET_ERROR == ret)
1026 #if !defined(WSAEINVAL)
1027 if (EADDRINUSE != errno)
1029 if (WSAEINVAL != WSAGetLastError()) // Joining multicast group more than once (IPv4 Flavor)
1032 OIC_LOG_V(ERROR, TAG, " IPv4 IP_ADD_MEMBERSHIP failed: %s", CAIPS_GET_ERROR);
1035 ret = setsockopt(caglobals.ip.m4s.fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, OPTVAL_T(&mreq), sizeof (mreq));
1036 if (OC_SOCKET_ERROR == ret)
1038 #if !defined(WSAEINVAL)
1039 if (EADDRINUSE != errno)
1041 if (WSAEINVAL != WSAGetLastError()) // Joining multicast group more than once (IPv4 Flavor)
1044 OIC_LOG_V(ERROR, TAG, "SECURE IPv4 IP_ADD_MEMBERSHIP failed: %s", CAIPS_GET_ERROR);
1049 static void applyMulticast6(int fd, struct in6_addr *addr, uint32_t ifindex)
1051 struct ipv6_mreq mreq = {.ipv6mr_multiaddr = {0},
1052 .ipv6mr_interface = ifindex };
1054 // VS2013 has problems with struct copies inside struct initializers, so copy separately.
1055 mreq.ipv6mr_multiaddr = *addr;
1057 int ret = setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, OPTVAL_T(&mreq), sizeof (mreq));
1058 if (OC_SOCKET_ERROR == ret)
1060 #if !defined(_WIN32)
1061 if (EADDRINUSE != errno)
1063 if (WSAEINVAL != WSAGetLastError()) // Joining multicast group more than once (IPv6 Flavor)
1066 OIC_LOG_V(ERROR, TAG, "IPv6 IPV6_JOIN_GROUP failed: %s", CAIPS_GET_ERROR);
1071 static void applyMulticastToInterface6(uint32_t ifindex)
1073 if (!caglobals.ip.ipv6enabled)
1077 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressInt, ifindex);
1078 applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressLnk, ifindex);
1079 applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressRlm, ifindex);
1080 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressAdm, ifindex);
1081 applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressSit, ifindex);
1082 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressOrg, ifindex);
1083 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressGlb, ifindex);
1085 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressInt, ifindex);
1086 applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressLnk, ifindex);
1087 applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressRlm, ifindex);
1088 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressAdm, ifindex);
1089 applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressSit, ifindex);
1090 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressOrg, ifindex);
1091 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressGlb, ifindex);
1094 CAResult_t CAIPStartListenServer()
1096 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
1099 OIC_LOG_V(ERROR, TAG, "CAIPGetInterfaceInformation() failed: %s", strerror(errno));
1100 return CA_STATUS_FAILED;
1103 uint32_t len = u_arraylist_length(iflist);
1104 OIC_LOG_V(DEBUG, TAG, "IP network interfaces found: %d", len);
1106 for (uint32_t i = 0; i < len; i++)
1108 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
1114 if ((ifitem->flags & IFF_UP_RUNNING_FLAGS) != IFF_UP_RUNNING_FLAGS)
1118 if (ifitem->family == AF_INET)
1120 OIC_LOG_V(DEBUG, TAG, "Adding IPv4 interface(%d) to multicast group", ifitem->index);
1121 applyMulticastToInterface4(ifitem->index);
1123 if (ifitem->family == AF_INET6)
1125 OIC_LOG_V(DEBUG, TAG, "Adding IPv6 interface(%d) to multicast group", ifitem->index);
1126 applyMulticastToInterface6(ifitem->index);
1130 u_arraylist_destroy(iflist);
1131 return CA_STATUS_OK;
1134 CAResult_t CAIPStopListenServer()
1136 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
1139 OIC_LOG_V(ERROR, TAG, "Get interface info failed: %s", strerror(errno));
1140 return CA_STATUS_FAILED;
1143 uint32_t len = u_arraylist_length(iflist);
1144 OIC_LOG_V(DEBUG, TAG, "IP network interfaces found: %d", len);
1146 for (uint32_t i = 0; i < len; i++)
1148 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
1154 if ((ifitem->flags & IFF_UP_RUNNING_FLAGS) != IFF_UP_RUNNING_FLAGS)
1158 if (ifitem->family == AF_INET)
1162 OIC_LOG_V(DEBUG, TAG, "IPv4 network interface: %s cloed", ifitem->name);
1164 if (ifitem->family == AF_INET6)
1168 OIC_LOG_V(DEBUG, TAG, "IPv6 network interface: %s", ifitem->name);
1171 u_arraylist_destroy(iflist);
1172 return CA_STATUS_OK;
1175 void CAProcessNewInterface(CAInterface_t *ifitem)
1179 OIC_LOG(DEBUG, TAG, "ifitem is null");
1183 if (ifitem->family == AF_INET6)
1185 OIC_LOG_V(DEBUG, TAG, "Adding a new IPv6 interface(%d) to multicast group", ifitem->index);
1186 applyMulticastToInterface6(ifitem->index);
1188 if (ifitem->family == AF_INET)
1190 OIC_LOG_V(DEBUG, TAG, "Adding a new IPv4 interface(%d) to multicast group", ifitem->index);
1191 applyMulticastToInterface4(ifitem->index);
1195 void CAIPSetPacketReceiveCallback(CAIPPacketReceivedCallback callback)
1197 g_packetReceivedCallback = callback;
1200 static void sendData(int fd, const CAEndpoint_t *endpoint,
1201 const void *data, uint32_t dlen,
1202 const char *cast, const char *fam)
1204 OIC_LOG(DEBUG, TAG, "IN");
1208 OIC_LOG(DEBUG, TAG, "endpoint is null");
1209 if (g_ipErrorHandler)
1211 g_ipErrorHandler(endpoint, data, dlen, CA_STATUS_INVALID_PARAM);
1216 (void)cast; // eliminates release warning
1219 struct sockaddr_storage sock = { .ss_family = 0 };
1220 CAConvertNameToAddr(endpoint->addr, endpoint->port, &sock);
1222 socklen_t socklen = 0;
1223 if (sock.ss_family == AF_INET6)
1225 /** @todo figure out correct usage for ifindex, and sin6_scope_id */
1226 socklen = sizeof(struct sockaddr_in6);
1230 socklen = sizeof(struct sockaddr_in);
1234 const char *secure = (endpoint->flags & CA_SECURE) ? "secure " : "";
1236 #if !defined(_WIN32)
1237 ssize_t len = sendto(fd, data, dlen, 0, (struct sockaddr *)&sock, socklen);
1238 if (OC_SOCKET_ERROR == len)
1240 // If logging is not defined/enabled.
1241 if (g_ipErrorHandler)
1243 g_ipErrorHandler(endpoint, data, dlen, CA_SEND_FAILED);
1245 OIC_LOG_V(ERROR, TAG, "%s%s %s sendTo failed: %s", secure, cast, fam, strerror(errno));
1249 OIC_LOG_V(INFO, TAG, "%s%s %s sendTo is successful: %zd bytes", secure, cast, fam, len);
1256 len = sendto(fd, ((char*)data) + sent, dlen - sent, 0, (struct sockaddr *)&sock, socklen);
1257 if (OC_SOCKET_ERROR == len)
1259 err = WSAGetLastError();
1260 if ((WSAEWOULDBLOCK != err) && (WSAENOBUFS != err))
1262 // If logging is not defined/enabled.
1263 if (g_ipErrorHandler)
1265 g_ipErrorHandler(endpoint, data, dlen, CA_SEND_FAILED);
1268 OIC_LOG_V(ERROR, TAG, "%s%s %s sendTo failed: %i", secure, cast, fam, err);
1276 OIC_LOG_V(DEBUG, TAG, "%s%s %s sendTo (Partial Send) is successful: "
1277 "currently sent: %ld bytes, "
1278 "total sent: %ld bytes, "
1279 "remaining: %ld bytes",
1280 secure, cast, fam, len, sent, dlen-sent);
1284 OIC_LOG_V(INFO, TAG, "%s%s %s sendTo is successful: %ld bytes",
1285 secure, cast, fam, len);
1288 } while ((OC_SOCKET_ERROR == len) && ((WSAEWOULDBLOCK == err) || (WSAENOBUFS == err)) || (sent < dlen));
1292 static void sendMulticastData6(const u_arraylist_t *iflist,
1293 CAEndpoint_t *endpoint,
1294 const void *data, uint32_t datalen)
1298 OIC_LOG(DEBUG, TAG, "endpoint is null");
1302 int scope = endpoint->flags & CA_SCOPE_MASK;
1303 char *ipv6mcname = ipv6mcnames[scope];
1306 OIC_LOG_V(INFO, TAG, "IPv6 multicast scope invalid: %d", scope);
1309 OICStrcpy(endpoint->addr, sizeof(endpoint->addr), ipv6mcname);
1310 int fd = caglobals.ip.u6.fd;
1312 uint32_t len = u_arraylist_length(iflist);
1313 for (uint32_t i = 0; i < len; i++)
1315 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
1320 if ((ifitem->flags & IFF_UP_RUNNING_FLAGS) != IFF_UP_RUNNING_FLAGS)
1324 if (ifitem->family != AF_INET6)
1329 int index = ifitem->index;
1330 if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF, OPTVAL_T(&index), sizeof (index)))
1332 OIC_LOG_V(ERROR, TAG, "setsockopt6 failed: %s", CAIPS_GET_ERROR);
1335 sendData(fd, endpoint, data, datalen, "multicast", "ipv6");
1339 static void sendMulticastData4(const u_arraylist_t *iflist,
1340 CAEndpoint_t *endpoint,
1341 const void *data, uint32_t datalen)
1343 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
1345 #if defined(USE_IP_MREQN)
1346 struct ip_mreqn mreq = { .imr_multiaddr = IPv4MulticastAddress,
1347 .imr_address.s_addr = htonl(INADDR_ANY),
1350 struct ip_mreq mreq = { .imr_multiaddr.s_addr = IPv4MulticastAddress.s_addr,
1351 .imr_interface = {0}};
1354 OICStrcpy(endpoint->addr, sizeof(endpoint->addr), IPv4_MULTICAST);
1355 int fd = caglobals.ip.u4.fd;
1357 uint32_t len = u_arraylist_length(iflist);
1358 for (uint32_t i = 0; i < len; i++)
1360 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
1365 if ((ifitem->flags & IFF_UP_RUNNING_FLAGS) != IFF_UP_RUNNING_FLAGS)
1369 if (ifitem->family != AF_INET)
1373 #if defined(USE_IP_MREQN)
1374 mreq.imr_ifindex = ifitem->index;
1376 mreq.imr_interface.s_addr = htonl(ifitem->index);
1378 if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, OPTVAL_T(&mreq), sizeof (mreq)))
1380 OIC_LOG_V(ERROR, TAG, "send IP_MULTICAST_IF failed: %s (using defualt)",
1383 sendData(fd, endpoint, data, datalen, "multicast", "ipv4");
1387 void CAIPSendData(CAEndpoint_t *endpoint, const void *data, uint32_t datalen,
1390 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
1391 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
1393 bool isSecure = (endpoint->flags & CA_SECURE) != 0;
1397 endpoint->port = isSecure ? CA_SECURE_COAP : CA_COAP;
1399 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
1402 OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
1406 if ((endpoint->flags & CA_IPV6) && caglobals.ip.ipv6enabled)
1408 sendMulticastData6(iflist, endpoint, data, datalen);
1410 if ((endpoint->flags & CA_IPV4) && caglobals.ip.ipv4enabled)
1412 sendMulticastData4(iflist, endpoint, data, datalen);
1415 u_arraylist_destroy(iflist);
1419 if (!endpoint->port) // unicast discovery
1421 endpoint->port = isSecure ? CA_SECURE_COAP : CA_COAP;
1425 if (caglobals.ip.ipv6enabled && (endpoint->flags & CA_IPV6))
1427 fd = isSecure ? caglobals.ip.u6s.fd : caglobals.ip.u6.fd;
1428 #ifndef __WITH_DTLS__
1429 fd = caglobals.ip.u6.fd;
1431 sendData(fd, endpoint, data, datalen, "unicast", "ipv6");
1433 if (caglobals.ip.ipv4enabled && (endpoint->flags & CA_IPV4))
1435 fd = isSecure ? caglobals.ip.u4s.fd : caglobals.ip.u4.fd;
1436 #ifndef __WITH_DTLS__
1437 fd = caglobals.ip.u4.fd;
1439 sendData(fd, endpoint, data, datalen, "unicast", "ipv4");
1444 CAResult_t CAGetIPInterfaceInformation(CAEndpoint_t **info, uint32_t *size)
1446 VERIFY_NON_NULL(info, TAG, "info is NULL");
1447 VERIFY_NON_NULL(size, TAG, "size is NULL");
1449 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
1452 OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
1453 return CA_STATUS_FAILED;
1456 uint32_t len = u_arraylist_length(iflist);
1457 uint32_t length = len;
1459 #ifdef __WITH_DTLS__
1460 //If DTLS is supported, each interface can support secure port as well
1464 CAEndpoint_t *eps = (CAEndpoint_t *)OICCalloc(length, sizeof (CAEndpoint_t));
1467 OIC_LOG(ERROR, TAG, "Malloc Failed");
1468 u_arraylist_destroy(iflist);
1469 return CA_MEMORY_ALLOC_FAILED;
1472 for (uint32_t i = 0, j = 0; i < len; i++)
1474 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
1480 eps[j].adapter = CA_ADAPTER_IP;
1483 if (ifitem->family == AF_INET6)
1485 eps[j].flags = CA_IPV6;
1486 eps[j].port = caglobals.ip.u6.port;
1490 eps[j].flags = CA_IPV4;
1491 eps[j].port = caglobals.ip.u4.port;
1493 OICStrcpy(eps[j].addr, sizeof(eps[j].addr), ifitem->addr);
1495 #ifdef __WITH_DTLS__
1498 eps[j].adapter = CA_ADAPTER_IP;
1501 if (ifitem->family == AF_INET6)
1503 eps[j].flags = CA_IPV6 | CA_SECURE;
1504 eps[j].port = caglobals.ip.u6s.port;
1508 eps[j].flags = CA_IPV4 | CA_SECURE;
1509 eps[j].port = caglobals.ip.u4s.port;
1511 OICStrcpy(eps[j].addr, sizeof(eps[j].addr), ifitem->addr);
1519 u_arraylist_destroy(iflist);
1521 return CA_STATUS_OK;
1524 void CAIPSetErrorHandler(CAIPErrorHandleCallback errorHandleCallback)
1526 g_ipErrorHandler = errorHandleCallback;