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generalized sockaddr usage in edge (#1026)
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@ -191,7 +191,7 @@ int fill_sockaddr (struct sockaddr * addr,
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const n2n_sock_t * sock);
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int fill_n2nsock (n2n_sock_t* sock,
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struct sockaddr* sa);
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const struct sockaddr* sa);
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int encode_PACKET (uint8_t * base,
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size_t * idx,
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@ -2160,7 +2160,7 @@ void edge_read_from_tap (n2n_edge_t * eee) {
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/** handle a datagram from the main UDP socket to the internet. */
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void process_udp (n2n_edge_t *eee, const struct sockaddr_in *sender_sock, const SOCKET in_sock,
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void process_udp (n2n_edge_t *eee, const struct sockaddr *sender_sock, const SOCKET in_sock,
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uint8_t *udp_buf, size_t udp_size, time_t now) {
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n2n_common_t cmn; /* common fields in the packet header */
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@ -2192,7 +2192,7 @@ void process_udp (n2n_edge_t *eee, const struct sockaddr_in *sender_sock, const
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else {
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// REVISIT: type conversion back and forth, choose a consistent approach throughout whole code,
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// i.e. stick with more general sockaddr as long as possible and narrow only if required
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fill_n2nsock(&sender, (struct sockaddr*)sender_sock);
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fill_n2nsock(&sender, sender_sock);
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}
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/* The packet may not have an orig_sender socket spec. So default to last
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* hop as sender. */
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@ -2703,18 +2703,18 @@ int fetch_and_eventually_process_data (n2n_edge_t *eee, SOCKET sock,
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ssize_t bread = 0;
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struct sockaddr_storage sas;
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struct sockaddr *sender_sock = (struct sockaddr*)&sas;
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socklen_t ss_size = sizeof(sas);
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if((!eee->conf.connect_tcp)
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#ifndef SKIP_MULTICAST_PEERS_DISCOVERY
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|| (sock == eee->udp_multicast_sock)
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#endif
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) {
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// udp
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struct sockaddr_in sender_sock;
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socklen_t i;
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i = sizeof(sender_sock);
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bread = recvfrom(sock, pktbuf, N2N_PKT_BUF_SIZE, 0 /*flags*/,
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(struct sockaddr *)&sender_sock, (socklen_t *)&i);
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sender_sock, &ss_size);
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if((bread < 0)
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#ifdef WIN32
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@ -2733,18 +2733,14 @@ int fetch_and_eventually_process_data (n2n_edge_t *eee, SOCKET sock,
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// we have a datagram to process...
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if(bread > 0) {
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// ...and the datagram has data (not just a header)
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process_udp(eee, &sender_sock, sock, pktbuf, bread, now);
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process_udp(eee, sender_sock, sock, pktbuf, bread, now);
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}
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} else {
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// tcp
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struct sockaddr_in sender_sock;
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socklen_t i;
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i = sizeof(sender_sock);
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bread = recvfrom(sock,
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pktbuf + *position, *expected - *position, 0 /*flags*/,
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(struct sockaddr *)&sender_sock, (socklen_t *)&i);
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sender_sock, &ss_size);
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if((bread <= 0) && (errno)) {
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traceEvent(TRACE_ERROR, "recvfrom() failed %d errno %d (%s)", bread, errno, strerror(errno));
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#ifdef WIN32
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@ -2768,7 +2764,7 @@ int fetch_and_eventually_process_data (n2n_edge_t *eee, SOCKET sock,
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}
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} else {
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// full packet read, handle it
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process_udp(eee, (struct sockaddr_in*)&sender_sock, sock,
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process_udp(eee, sender_sock, sock,
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pktbuf + sizeof(uint16_t), *position - sizeof(uint16_t), now);
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// reset, await new prepended length
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*expected = sizeof(uint16_t);
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@ -615,7 +615,7 @@ int fill_sockaddr (struct sockaddr * addr,
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// fills struct sockaddr's data into n2n_sock
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int fill_n2nsock (n2n_sock_t* sock, struct sockaddr* sa) {
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int fill_n2nsock (n2n_sock_t* sock, const struct sockaddr* sa) {
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sock->family = *(sa_family_t*)sa;
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switch(sock->family) {
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