Reformat all code using astyle.
[tinc] / src / multicast_device.c
index 082ba7d..c19852b 100644 (file)
@@ -51,6 +51,7 @@ static bool setup_device(void) {
 
        host = xstrdup(device);
        space = strchr(host, ' ');
+
        if(!space) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Port number required for %s", device_info);
                goto error;
@@ -66,10 +67,13 @@ static bool setup_device(void) {
        }
 
        ai = str2addrinfo(host, port, SOCK_DGRAM);
-       if(!ai)
+
+       if(!ai) {
                goto error;
+       }
 
        device_fd = socket(ai->ai_family, SOCK_DGRAM, IPPROTO_UDP);
+
        if(device_fd < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Creating socket failed: %s", sockstrerror(sockerrno));
                goto error;
@@ -89,48 +93,56 @@ static bool setup_device(void) {
 
        switch(ai->ai_family) {
 #ifdef IP_ADD_MEMBERSHIP
-               case AF_INET: {
-                       struct ip_mreq mreq;
-                       struct sockaddr_in in;
-                       memcpy(&in, ai->ai_addr, sizeof(in));
-                       mreq.imr_multiaddr.s_addr = in.sin_addr.s_addr;
-                       mreq.imr_interface.s_addr = htonl(INADDR_ANY);
-                       if(setsockopt(device_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (void *)&mreq, sizeof(mreq))) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, "Cannot join multicast group %s %s: %s", host, port, sockstrerror(sockerrno));
-                               goto error;
-                       }
+
+       case AF_INET: {
+               struct ip_mreq mreq;
+               struct sockaddr_in in;
+               memcpy(&in, ai->ai_addr, sizeof(in));
+               mreq.imr_multiaddr.s_addr = in.sin_addr.s_addr;
+               mreq.imr_interface.s_addr = htonl(INADDR_ANY);
+
+               if(setsockopt(device_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (void *)&mreq, sizeof(mreq))) {
+                       logger(DEBUG_ALWAYS, LOG_ERR, "Cannot join multicast group %s %s: %s", host, port, sockstrerror(sockerrno));
+                       goto error;
+               }
+
 #ifdef IP_MULTICAST_LOOP
-                       setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_LOOP, (const void *)&one, sizeof(one));
+               setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_LOOP, (const void *)&one, sizeof(one));
 #endif
 #ifdef IP_MULTICAST_TTL
-                       setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_TTL, (void *)&ttl, sizeof(ttl));
+               setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_TTL, (void *)&ttl, sizeof(ttl));
 #endif
-               } break;
+       }
+       break;
 #endif
 
 #ifdef IPV6_JOIN_GROUP
-               case AF_INET6: {
-                       struct ipv6_mreq mreq;
-                       struct sockaddr_in6 in6;
-                       memcpy(&in6, ai->ai_addr, sizeof(in6));
-                       memcpy(&mreq.ipv6mr_multiaddr, &in6.sin6_addr, sizeof(mreq.ipv6mr_multiaddr));
-                       mreq.ipv6mr_interface = in6.sin6_scope_id;
-                       if(setsockopt(device_fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, (void *)&mreq, sizeof(mreq))) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, "Cannot join multicast group %s %s: %s", host, port, sockstrerror(sockerrno));
-                               goto error;
-                       }
+
+       case AF_INET6: {
+               struct ipv6_mreq mreq;
+               struct sockaddr_in6 in6;
+               memcpy(&in6, ai->ai_addr, sizeof(in6));
+               memcpy(&mreq.ipv6mr_multiaddr, &in6.sin6_addr, sizeof(mreq.ipv6mr_multiaddr));
+               mreq.ipv6mr_interface = in6.sin6_scope_id;
+
+               if(setsockopt(device_fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, (void *)&mreq, sizeof(mreq))) {
+                       logger(DEBUG_ALWAYS, LOG_ERR, "Cannot join multicast group %s %s: %s", host, port, sockstrerror(sockerrno));
+                       goto error;
+               }
+
 #ifdef IPV6_MULTICAST_LOOP
-                       setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, (const void *)&one, sizeof(one));
+               setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, (const void *)&one, sizeof(one));
 #endif
 #ifdef IPV6_MULTICAST_HOPS
-                       setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, (void *)&ttl, sizeof(ttl));
+               setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, (void *)&ttl, sizeof(ttl));
 #endif
-               } break;
+       }
+       break;
 #endif
 
-               default:
-                       logger(DEBUG_ALWAYS, LOG_ERR, "Multicast for address family %x unsupported", ai->ai_family);
-                       goto error;
+       default:
+               logger(DEBUG_ALWAYS, LOG_ERR, "Multicast for address family %x unsupported", ai->ai_family);
+               goto error;
        }
 
        logger(DEBUG_ALWAYS, LOG_INFO, "%s is a %s", device, device_info);
@@ -138,24 +150,34 @@ static bool setup_device(void) {
        return true;
 
 error:
-       if(device_fd >= 0)
+
+       if(device_fd >= 0) {
                closesocket(device_fd);
-       if(ai)
+       }
+
+       if(ai) {
                freeaddrinfo(ai);
+       }
+
        free(host);
 
        return false;
 }
 
 static void close_device(void) {
-       close(device_fd); device_fd = -1;
+       close(device_fd);
+       device_fd = -1;
 
-       free(device); device = NULL;
-       free(iface); iface = NULL;
+       free(device);
+       device = NULL;
+       free(iface);
+       iface = NULL;
 
        if(ai) {
-               freeaddrinfo(ai); ai = NULL;
+               freeaddrinfo(ai);
+               ai = NULL;
        }
+
        device_info = NULL;
 }
 
@@ -164,7 +186,7 @@ static bool read_packet(vpn_packet_t *packet) {
 
        if((lenin = recv(device_fd, (void *)DATA(packet), MTU, 0)) <= 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
-                          device, sockstrerror(sockerrno));
+                      device, sockstrerror(sockerrno));
                return false;
        }
 
@@ -176,18 +198,18 @@ static bool read_packet(vpn_packet_t *packet) {
        packet->len = lenin;
 
        logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
-                          device_info);
+              device_info);
 
        return true;
 }
 
 static bool write_packet(vpn_packet_t *packet) {
        logger(DEBUG_TRAFFIC, LOG_DEBUG, "Writing packet of %d bytes to %s",
-                          packet->len, device_info);
+              packet->len, device_info);
 
        if(sendto(device_fd, (void *)DATA(packet), packet->len, 0, ai->ai_addr, ai->ai_addrlen) < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device,
-                          sockstrerror(sockerrno));
+                      sockstrerror(sockerrno));
                return false;
        }