*
******************************************************************/
+#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>
#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;
+ }
+}
+
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 if (FD_ISSET(caglobals.ip.shutdownFds[0], readFds))
{
- char buf[10];
- (void)read(caglobals.ip.shutdownFds[0], buf, sizeof (buf));
+ char buf[10] = {0};
+ ssize_t len = read(caglobals.ip.shutdownFds[0], buf, sizeof (buf));
+ if (-1 == len)
+ {
+ continue;
+ }
+
CAInterface_t *ifchanged = CAFindInterfaceChange();
if (ifchanged)
{
char recvBuffer[COAP_MAX_PDU_SIZE];
size_t len;
- int level, type;
+ int level, type, namelen;
struct sockaddr_storage srcAddr;
unsigned char *pktinfo = NULL;
- struct msghdr msg = { 0 };
- struct cmsghdr *cmp;
+ struct cmsghdr *cmp = NULL;
struct iovec iov = { recvBuffer, sizeof (recvBuffer) };
union control
{
if (flags & CA_IPV6)
{
- msg.msg_namelen = sizeof (struct sockaddr_in6);
+ namelen = sizeof (struct sockaddr_in6);
level = IPPROTO_IPV6;
type = IPV6_PKTINFO;
len = sizeof (struct in6_pktinfo);
}
else
{
- msg.msg_namelen = sizeof (struct sockaddr_in);
+ namelen = sizeof (struct sockaddr_in);
level = IPPROTO_IP;
type = IP_PKTINFO;
len = sizeof (struct in6_pktinfo);
}
- msg.msg_name = &srcAddr;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = &cmsg;
- msg.msg_controllen = CMSG_SPACE(len);
+ 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)
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 (!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;
{
// 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)
{
- struct ipv6_mreq mreq;
- mreq.ipv6mr_multiaddr = *addr;
- mreq.ipv6mr_interface = interface;
+ struct ipv6_mreq mreq = {.ipv6mr_multiaddr = *addr, .ipv6mr_interface = interface};
+
if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, &mreq, sizeof (mreq)))
{
if (EADDRINUSE != errno)
//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);
static void CAProcessNewInterface(CAInterface_t *ifitem)
{
+ if (!ifitem)
+ {
+ OIC_LOG(DEBUG, TAG, "ifitem is null");
+ return;
+ }
+
applyMulticastToInterface6(ifitem->index);
- struct in_addr inaddr;
- inaddr.s_addr = ifitem->ipv4addr;
+ struct in_addr inaddr = { .s_addr = ifitem->ipv4addr };
applyMulticastToInterface4(inaddr);
}
static void CAHandleNetlink()
for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len))
{
- if (nh->nlmsg_type != RTM_NEWLINK)
+ if (nh != NULL && nh->nlmsg_type != RTM_NEWLINK)
{
continue;
}
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");
}
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;
}
else
{
- OIC_LOG_V(INFO, TAG, "%s%s %s sendTo is successful: %ld 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].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__
{
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;
}