*
******************************************************************/
-#include "caipinterface.h"
+#ifndef __APPLE_USE_RFC_3542
+#define __APPLE_USE_RFC_3542 // for PKTINFO
+#endif
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE // for in6_pktinfo
+#endif
#include <sys/types.h>
#include <sys/socket.h>
#endif
#include "pdu.h"
+#include "caipinterface.h"
#include "caadapterutils.h"
#ifdef __WITH_DTLS__
#include "caadapternetdtls.h"
#include "oic_malloc.h"
#include "oic_string.h"
-/**
- * @def TAG
- * @brief Logging tag for module name
+/*
+ * Logging tag for module name
*/
-#define TAG "IP_SERVER"
+#define TAG "OIC_CA_IP_SERVER"
#define SELECT_TIMEOUT 1 // select() seconds (and termination latency)
flags = FLAGS; \
}
+void CADeInitializeIPGlobals()
+{
+ if (caglobals.ip.u6.fd != -1)
+ {
+ close(caglobals.ip.u6.fd);
+ caglobals.ip.u6.fd = -1;
+ }
+
+ if (caglobals.ip.u6s.fd != -1)
+ {
+ close(caglobals.ip.u6s.fd);
+ caglobals.ip.u6s.fd = -1;
+ }
+
+ if (caglobals.ip.u4.fd != -1)
+ {
+ close(caglobals.ip.u4.fd);
+ caglobals.ip.u4.fd = -1;
+ }
+
+ if (caglobals.ip.u4s.fd != -1)
+ {
+ close(caglobals.ip.u4s.fd);
+ caglobals.ip.u4s.fd = -1;
+ }
+
+ if (caglobals.ip.m6.fd != -1)
+ {
+ close(caglobals.ip.m6.fd);
+ caglobals.ip.m6.fd = -1;
+ }
+
+ if (caglobals.ip.m6s.fd != -1)
+ {
+ close(caglobals.ip.m6s.fd);
+ caglobals.ip.m6s.fd = -1;
+ }
+
+ if (caglobals.ip.m4.fd != -1)
+ {
+ close(caglobals.ip.m4.fd);
+ caglobals.ip.m4.fd = -1;
+ }
+
+ if (caglobals.ip.m4s.fd != -1)
+ {
+ close(caglobals.ip.m4s.fd);
+ caglobals.ip.m4s.fd = -1;
+ }
+
+ if (caglobals.ip.netlinkFd != -1)
+ {
+ close(caglobals.ip.netlinkFd);
+ caglobals.ip.netlinkFd = -1;
+ }
+}
+
static void CAReceiveHandler(void *data)
{
(void)data;
- OIC_LOG(DEBUG, TAG, "IN");
while (!caglobals.ip.terminate)
{
CAFindReadyMessage();
}
-
- OIC_LOG(DEBUG, TAG, "OUT");
}
static void CAFindReadyMessage()
else ISSET(m4s, readFds, CA_MULTICAST | CA_IPV4 | CA_SECURE)
else if (FD_ISSET(caglobals.ip.netlinkFd, readFds))
{
- CAHandleNetlink();
- break;
- }
- else
- {
CAInterface_t *ifchanged = CAFindInterfaceChange();
if (ifchanged)
{
}
break;
}
+ else if (FD_ISSET(caglobals.ip.shutdownFds[0], readFds))
+ {
+ char buf[10] = {0};
+ ssize_t len = read(caglobals.ip.shutdownFds[0], buf, sizeof (buf));
+ if (-1 == len)
+ {
+ continue;
+ }
+ break;
+ }
+ else
+ {
+ break;
+ }
(void)CAReceiveMessage(fd, flags);
FD_CLR(fd, readFds);
{
char recvBuffer[COAP_MAX_PDU_SIZE];
+ size_t len;
+ int level, type, namelen;
struct sockaddr_storage srcAddr;
- socklen_t srcAddrLen = sizeof (srcAddr);
-
- ssize_t recvLen = recvfrom(fd,
- recvBuffer,
- sizeof (recvBuffer),
- 0,
- (struct sockaddr *)&srcAddr,
- &srcAddrLen);
+ unsigned char *pktinfo = NULL;
+ struct cmsghdr *cmp = NULL;
+ struct iovec iov = { recvBuffer, sizeof (recvBuffer) };
+ union control
+ {
+ struct cmsghdr cmsg;
+ unsigned char data[CMSG_SPACE(sizeof (struct in6_pktinfo))];
+ } cmsg;
+
+ if (flags & CA_IPV6)
+ {
+ namelen = sizeof (struct sockaddr_in6);
+ level = IPPROTO_IPV6;
+ type = IPV6_PKTINFO;
+ len = sizeof (struct in6_pktinfo);
+ }
+ else
+ {
+ namelen = sizeof (struct sockaddr_in);
+ level = IPPROTO_IP;
+ type = IP_PKTINFO;
+ len = sizeof (struct in6_pktinfo);
+ }
+
+ struct msghdr msg = { .msg_name = &srcAddr,
+ .msg_namelen = namelen,
+ .msg_iov = &iov,
+ .msg_iovlen = 1,
+ .msg_control = &cmsg,
+ .msg_controllen = CMSG_SPACE(len) };
+
+ ssize_t recvLen = recvmsg(fd, &msg, flags);
if (-1 == recvLen)
{
OIC_LOG_V(ERROR, TAG, "Recvfrom failed %s", strerror(errno));
return CA_STATUS_FAILED;
}
- CASecureEndpoint_t sep =
- {.endpoint = {.adapter = CA_ADAPTER_IP, .flags = flags}};
+ if (flags & CA_MULTICAST)
+ {
+ for (cmp = CMSG_FIRSTHDR(&msg); cmp != NULL; cmp = CMSG_NXTHDR(&msg, cmp))
+ {
+ if (cmp->cmsg_level == level && cmp->cmsg_type == type)
+ {
+ pktinfo = CMSG_DATA(cmp);
+ }
+ }
+ }
+
+ CASecureEndpoint_t sep = {.endpoint = {.adapter = CA_ADAPTER_IP, .flags = flags}};
if (flags & CA_IPV6)
{
- sep.endpoint.interface = ((struct sockaddr_in6 *)&srcAddr)->sin6_scope_id;
+ sep.endpoint.ifindex = ((struct sockaddr_in6 *)&srcAddr)->sin6_scope_id;
((struct sockaddr_in6 *)&srcAddr)->sin6_scope_id = 0;
+
+ if ((flags & CA_MULTICAST) && pktinfo)
+ {
+ struct in6_addr *addr = &(((struct in6_pktinfo *)pktinfo)->ipi6_addr);
+ unsigned char topbits = ((unsigned char *)addr)[0];
+ if (topbits != 0xff)
+ {
+ sep.endpoint.flags &= ~CA_MULTICAST;
+ }
+ }
+ }
+ else
+ {
+ if ((flags & CA_MULTICAST) && pktinfo)
+ {
+ struct in_addr *addr = &((struct in_pktinfo *)pktinfo)->ipi_addr;
+ uint32_t host = ntohl(addr->s_addr);
+ unsigned char topbits = ((unsigned char *)&host)[3];
+ if (topbits < 224 || topbits > 239)
+ {
+ sep.endpoint.flags &= ~CA_MULTICAST;
+ }
+ }
}
- CAConvertAddrToName(&srcAddr, sep.endpoint.addr, &sep.endpoint.port);
+
+ CAConvertAddrToName(&srcAddr, msg.msg_namelen, sep.endpoint.addr, &sep.endpoint.port);
if (flags & CA_SECURE)
{
static int CACreateSocket(int family, uint16_t *port)
{
int socktype = SOCK_DGRAM;
- #ifdef SOCK_CLOEXEC
+#ifdef SOCK_CLOEXEC
socktype |= SOCK_CLOEXEC;
- #endif
+#endif
int fd = socket(family, socktype, IPPROTO_UDP);
if (-1 == fd)
{
return -1;
}
- #ifndef SOCK_CLOEXEC
+#ifndef SOCK_CLOEXEC
int fl = fcntl(fd, F_GETFD);
if (-1 == fl || -1 == fcntl(fd, F_SETFD, fl|FD_CLOEXEC))
{
close(fd);
return -1;
}
- #endif
+#endif
struct sockaddr_storage sa = { .ss_family = family };
socklen_t socklen;
if (family == AF_INET6)
{
int on = 1;
+
if (-1 == setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on)))
{
OIC_LOG_V(ERROR, TAG, "IPV6_V6ONLY failed: %s", strerror(errno));
}
+
+ if (*port) // only do this for multicast ports
+ {
+ if (-1 == setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &on, sizeof (on)))
+ {
+ OIC_LOG_V(ERROR, TAG, "IPV6_RECVPKTINFO failed: %s", strerror(errno));
+ }
+ }
+
((struct sockaddr_in6 *)&sa)->sin6_port = htons(*port);
socklen = sizeof (struct sockaddr_in6);
}
else
{
+ if (*port) // only do this for multicast ports
+ {
+ int on = 1;
+ if (-1 == setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &on, sizeof (on)))
+ {
+ OIC_LOG_V(ERROR, TAG, "IP_PKTINFO failed: %s", strerror(errno));
+ }
+ }
+
((struct sockaddr_in *)&sa)->sin_port = htons(*port);
socklen = sizeof (struct sockaddr_in);
}
if (!IPv4MulticastAddress.s_addr)
{
- (void)inet_aton(IPv4_MULTICAST, &IPv4MulticastAddress);
+ (void)inet_pton(AF_INET, IPv4_MULTICAST, &IPv4MulticastAddress);
(void)inet_pton(AF_INET6, IPv6_MULTICAST_INT, &IPv6MulticastAddressInt);
(void)inet_pton(AF_INET6, IPv6_MULTICAST_LNK, &IPv6MulticastAddressLnk);
(void)inet_pton(AF_INET6, IPv6_MULTICAST_RLM, &IPv6MulticastAddressRlm);
void CAIPStopServer()
{
- OIC_LOG(DEBUG, TAG, "IN");
-
+ caglobals.ip.started = false;
caglobals.ip.terminate = true;
if (caglobals.ip.shutdownFds[1] != -1)
{
// receive thread will stop in SELECT_TIMEOUT seconds.
}
-
- OIC_LOG(DEBUG, TAG, "OUT");
}
void CAWakeUpForChange()
return;
}
- struct ip_mreq mreq = { .imr_multiaddr = IPv4MulticastAddress,
- .imr_interface = inaddr};
+ struct ip_mreqn mreq = { .imr_multiaddr = IPv4MulticastAddress,
+ .imr_address = inaddr,
+ .imr_ifindex = 0 };
if (setsockopt(caglobals.ip.m4.fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof (mreq)))
{
if (EADDRINUSE != errno)
}
}
-static void applyMulticast6(int fd, struct in6_addr *addr, uint32_t interface)
+static void applyMulticast6(int fd, struct in6_addr *addr, uint32_t ifindex)
{
- struct ipv6_mreq mreq;
- mreq.ipv6mr_multiaddr = *addr;
- mreq.ipv6mr_interface = interface;
+ struct ipv6_mreq mreq = {.ipv6mr_multiaddr = *addr, .ipv6mr_interface = ifindex};
if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, &mreq, sizeof (mreq)))
{
if (EADDRINUSE != errno)
}
}
-static void applyMulticastToInterface6(uint32_t interface)
+static void applyMulticastToInterface6(uint32_t ifindex)
{
if (!caglobals.ip.ipv6enabled)
{
return;
}
- //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressInt, interface);
- applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressLnk, interface);
- //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressRlm, interface);
- //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressAdm, interface);
- //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressSit, interface);
- //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressOrg, interface);
- //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressGlb, interface);
- //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressInt, interface);
- applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressLnk, interface);
- //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressRlm, interface);
- //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressAdm, interface);
- //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressSit, interface);
- //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressOrg, interface);
- //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressGlb, interface);
+ //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressInt, ifindex);
+ applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressLnk, ifindex);
+ //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressRlm, ifindex);
+ //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressAdm, ifindex);
+ //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressSit, ifindex);
+ //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressOrg, ifindex);
+ //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressGlb, ifindex);
+
+ //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressInt, ifindex);
+ applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressLnk, ifindex);
+ //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressRlm, ifindex);
+ //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressAdm, ifindex);
+ //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressSit, ifindex);
+ //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressOrg, ifindex);
+ //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressGlb, ifindex);
}
CAResult_t CAIPStartListenServer()
static void CAProcessNewInterface(CAInterface_t *ifitem)
{
- applyMulticastToInterface6(ifitem->index);
- struct in_addr inaddr;
- inaddr.s_addr = ifitem->ipv4addr;
- applyMulticastToInterface4(inaddr);
+ if (!ifitem)
+ {
+ OIC_LOG(DEBUG, TAG, "ifitem is null");
+ return;
+ }
+ if (ifitem->family == AF_INET6)
+ {
+ applyMulticastToInterface6(ifitem->index);
+ }
+ if (ifitem->family == AF_INET)
+ {
+ struct in_addr inaddr = { .s_addr = ifitem->ipv4addr };
+ applyMulticastToInterface4(inaddr);
+ }
}
static void CAHandleNetlink()
{
-#ifdef __linux__
- char buf[4096];
- struct nlmsghdr *nh;
- struct sockaddr_nl sa;
- struct iovec iov = { buf, sizeof (buf) };
- struct msghdr msg = { (void *)&sa, sizeof (sa), &iov, 1, NULL, 0, 0 };
-
- size_t len = recvmsg(caglobals.ip.netlinkFd, &msg, 0);
-
- for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len))
- {
- if (nh->nlmsg_type != RTM_NEWLINK)
- {
- continue;
- }
-
- struct ifinfomsg *ifi = (struct ifinfomsg *)NLMSG_DATA(nh);
- if (!ifi || (ifi->ifi_flags & IFF_LOOPBACK) || !(ifi->ifi_flags & IFF_RUNNING))
- {
- continue;
- }
-
- int newIndex = ifi->ifi_index;
-
- u_arraylist_t *iflist = CAIPGetInterfaceInformation(newIndex);
- if (!iflist)
- {
- OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
- return;
- }
-
- uint32_t listLength = u_arraylist_length(iflist);
- for (uint32_t i = 0; i < listLength; i++)
- {
- CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
- if (!ifitem)
- {
- continue;
- }
-
- if ((int)ifitem->index != newIndex)
- {
- continue;
- }
-
- CAProcessNewInterface(ifitem);
- break; // we found the one we were looking for
- }
- u_arraylist_destroy(iflist);
- }
-#endif // __linux__
}
void CAIPSetPacketReceiveCallback(CAIPPacketReceivedCallback callback)
{
- OIC_LOG(DEBUG, TAG, "IN");
-
g_packetReceivedCallback = callback;
-
- OIC_LOG(DEBUG, TAG, "OUT");
}
void CAIPSetExceptionCallback(CAIPExceptionCallback callback)
{
- OIC_LOG(DEBUG, TAG, "IN");
-
g_exceptionCallback = callback;
+}
- OIC_LOG(DEBUG, TAG, "OUT");
+void CAIPSetConnectionStateChangeCallback(CAIPConnectionStateChangeCallback callback)
+{
+ CAIPSetNetworkMonitorCallback(callback);
}
static void sendData(int fd, const CAEndpoint_t *endpoint,
{
OIC_LOG(DEBUG, TAG, "IN");
+ if (!endpoint)
+ {
+ OIC_LOG(DEBUG, TAG, "endpoint is null");
+ return;
+ }
+
char *secure = (endpoint->flags & CA_SECURE) ? "secure " : "";
(void)secure; // eliminates release warning
struct sockaddr_storage sock;
struct sockaddr_in6 *sock6 = (struct sockaddr_in6 *)&sock;
if (!sock6->sin6_scope_id)
{
- sock6->sin6_scope_id = endpoint->interface;
+ sock6->sin6_scope_id = endpoint->ifindex;
}
socklen = sizeof(struct sockaddr_in6);
}
}
else
{
- OIC_LOG_V(INFO, TAG, "%s%s %s sendTo is successful: %d bytes", secure, cast, fam, len);
+ OIC_LOG_V(INFO, TAG, "%s%s %s sendTo is successful: %zd bytes", secure, cast, fam, len);
}
}
CAEndpoint_t *endpoint,
const void *data, uint32_t datalen)
{
+ if (!endpoint)
+ {
+ OIC_LOG(DEBUG, TAG, "endpoint is null");
+ return;
+ }
+
int scope = endpoint->flags & CA_SCOPE_MASK;
char *ipv6mcname = ipv6mcnames[scope];
if (!ipv6mcname)
CAEndpoint_t *endpoint,
const void *data, uint32_t datalen)
{
- struct ip_mreq mreq = { .imr_multiaddr = IPv4MulticastAddress };
+ VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
+
+ struct ip_mreqn mreq = { .imr_multiaddr = IPv4MulticastAddress,
+ .imr_ifindex = 0 };
OICStrcpy(endpoint->addr, sizeof(endpoint->addr), IPv4_MULTICAST);
int fd = caglobals.ip.u4.fd;
struct in_addr inaddr;
inaddr.s_addr = ifitem->ipv4addr;
- mreq.imr_interface = inaddr;
+ mreq.imr_address = inaddr;
if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, &mreq, sizeof (mreq)))
{
OIC_LOG_V(ERROR, TAG, "send IP_MULTICAST_IF failed: %s (using defualt)",
}
void CAIPSendData(CAEndpoint_t *endpoint, const void *data, uint32_t datalen,
- bool isMulticast)
+ bool isMulticast)
{
VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
if (caglobals.ip.ipv6enabled && (endpoint->flags & CA_IPV6))
{
fd = isSecure ? caglobals.ip.u6s.fd : caglobals.ip.u6.fd;
- #ifndef __WITH_DTLS__
+#ifndef __WITH_DTLS__
fd = caglobals.ip.u6.fd;
- #endif
+#endif
sendData(fd, endpoint, data, datalen, "unicast", "ipv6");
}
if (caglobals.ip.ipv4enabled && (endpoint->flags & CA_IPV4))
{
fd = isSecure ? caglobals.ip.u4s.fd : caglobals.ip.u4.fd;
- #ifndef __WITH_DTLS__
+#ifndef __WITH_DTLS__
fd = caglobals.ip.u4.fd;
- #endif
+#endif
sendData(fd, endpoint, data, datalen, "unicast", "ipv4");
}
}
CAResult_t CAGetIPInterfaceInformation(CAEndpoint_t **info, uint32_t *size)
{
- OIC_LOG(DEBUG, TAG, "IN");
-
VERIFY_NON_NULL(info, TAG, "info is NULL");
VERIFY_NON_NULL(size, TAG, "size is NULL");
}
eps[j].adapter = CA_ADAPTER_IP;
- eps[j].interface = 0;
+ eps[j].ifindex = 0;
if (ifitem->family == AF_INET6)
{
eps[j].flags = CA_IPV4;
eps[j].port = caglobals.ip.u4.port;
- unsigned char *addr= (unsigned char *) &(ifitem->ipv4addr);
- snprintf(eps[j].addr, MAX_ADDR_STR_SIZE_CA, "%d.%d.%d.%d",
- addr[0], addr[1], addr[2], addr[3]);
+ inet_ntop(AF_INET, &(ifitem->ipv4addr), eps[j].addr, MAX_ADDR_STR_SIZE_CA);
}
#ifdef __WITH_DTLS__
j++;
eps[j].adapter = CA_ADAPTER_IP;
- eps[j].interface = 0;
+ eps[j].ifindex = 0;
if (ifitem->family == AF_INET6)
{
{
eps[j].flags = CA_IPV4 | CA_SECURE;
eps[j].port = caglobals.ip.u4s.port;
-
- unsigned char *addr= (unsigned char *) &(ifitem->ipv4addr);
- snprintf(eps[j].addr, MAX_ADDR_STR_SIZE_CA, "%d.%d.%d.%d",
- addr[0], addr[1], addr[2], addr[3]);
+ inet_ntop(AF_INET, &(ifitem->ipv4addr), eps[j].addr, MAX_ADDR_STR_SIZE_CA);
}
#endif
j++;
u_arraylist_destroy(iflist);
- OIC_LOG(DEBUG, TAG, "OUT");
return CA_STATUS_OK;
}
projects / platform / upstream / iotivity.git / blobdiff