X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnet_packet.c;h=8aca6aa59adda1ef8f78d9eecec914625a9a367a;hb=7212e13585536500c61c458e6d55e723183e4a5b;hp=0510b54be8def584f8b9f33d78329b4d852baaa7;hpb=9ece2f9ded8c65c7f20826f2ec9ae1f0527bdd7c;p=meshlink diff --git a/src/net_packet.c b/src/net_packet.c index 0510b54b..8aca6aa5 100644 --- a/src/net_packet.c +++ b/src/net_packet.c @@ -148,13 +148,13 @@ static void send_mtu_probe_handler(event_loop_t *loop, void *data) { n->status.broadcast = false; end: - timeout_set(&mesh->loop, &n->mtutimeout, &(struct timeval) { + timeout_set(&mesh->loop, &n->mtutimeout, &(struct timespec) { timeout, prng(mesh, TIMER_FUDGE) }); } void send_mtu_probe(meshlink_handle_t *mesh, node_t *n) { - timeout_add(&mesh->loop, &n->mtutimeout, send_mtu_probe_handler, n, &(struct timeval) { + timeout_add(&mesh->loop, &n->mtutimeout, send_mtu_probe_handler, n, &(struct timespec) { 1, 0 }); send_mtu_probe_handler(&mesh->loop, n); @@ -185,7 +185,14 @@ static void mtu_probe_h(meshlink_handle_t *mesh, node_t *n, vpn_packet_t *packet is possible using the address and socket that the reply packet used. */ - n->status.udp_confirmed = true; + if(!n->status.udp_confirmed) { + char *address, *port; + sockaddr2str(&n->address, &address, &port); + send_request(mesh, n->nexthop->connection, NULL, "%d %s %s . -1 -1 -1 0 %s %s", ANS_KEY, n->name, n->name, address, port); + free(address); + free(port); + n->status.udp_confirmed = true; + } /* If we haven't established the PMTU yet, restart the discovery process. */ @@ -249,7 +256,9 @@ static void receive_udppacket(meshlink_handle_t *mesh, node_t *n, vpn_packet_t * return; } - sptps_receive_data(&n->sptps, inpkt->data, inpkt->len); + if(!sptps_receive_data(&n->sptps, inpkt->data, inpkt->len)) { + logger(mesh, MESHLINK_ERROR, "Could not process SPTPS data from %s: %s", n->name, strerror(errno)); + } } static void send_sptps_packet(meshlink_handle_t *mesh, node_t *n, vpn_packet_t *origpkt) { @@ -361,7 +370,7 @@ bool send_sptps_data(void *handle, uint8_t type, const void *data, size_t len) { /* Send it via TCP if it is a handshake packet, TCPOnly is in use, or this packet is larger than the MTU. */ - if(type >= SPTPS_HANDSHAKE || (type != PKT_PROBE && len > to->minmtu)) { + if(type >= SPTPS_HANDSHAKE || (type != PKT_PROBE && (len - 21) > to->minmtu)) { char buf[len * 4 / 3 + 5]; b64encode(data, buf, len); @@ -424,8 +433,8 @@ bool receive_sptps_record(void *handle, uint8_t type, const void *data, uint16_t return true; } - if(len > MTU) { - logger(mesh, MESHLINK_ERROR, "Packet from %s larger than maximum supported size (%d > %d)", from->name, len, MTU); + if(len > MAXSIZE) { + logger(mesh, MESHLINK_ERROR, "Packet from %s larger than maximum supported size (%d > %d)", from->name, len, MAXSIZE); return false; } @@ -550,7 +559,7 @@ void handle_incoming_vpn_data(event_loop_t *loop, void *data, int flags) { if(n) { update_node_udp(mesh, n, &from); - } else if(mesh->log_level >= MESHLINK_WARNING) { + } else if(mesh->log_level <= MESHLINK_WARNING) { hostname = sockaddr2hostname(&from); logger(mesh, MESHLINK_WARNING, "Received UDP packet from unknown source %s", hostname); free(hostname);