X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fvde_device.c;h=e2692eb88c1d1792ea6526beadb5ef7f26c72235;hb=42d2dff33306beae8ddbd9cc991ad80f135950a6;hp=1021f5d34cee34269c6ce4bdde268b858a97008f;hpb=41583d5dcfc1277b1a203478de4cce2cd0cda1b1;p=tinc diff --git a/src/vde_device.c b/src/vde_device.c index 1021f5d3..e2692eb8 100644 --- a/src/vde_device.c +++ b/src/vde_device.c @@ -44,8 +44,9 @@ static bool setup_device(void) { return false; } - if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) { xasprintf(&device, LOCALSTATEDIR "/run/vde.ctl"); + } get_config_string(lookup_config(config_tree, "Interface"), &iface); @@ -62,6 +63,7 @@ static bool setup_device(void) { }; conn = plug.vde_open(device, identname, &args); + if(!conn) { logger(DEBUG_ALWAYS, LOG_ERR, "Could not open VDE socket %s", device); return false; @@ -75,26 +77,35 @@ static bool setup_device(void) { logger(DEBUG_ALWAYS, LOG_INFO, "%s is a %s", device, device_info); - if(routing_mode == RMODE_ROUTER) + if(routing_mode == RMODE_ROUTER) { overwrite_mac = true; + } return true; } static void close_device(void) { - if(conn) + if(conn) { plug.vde_close(conn); + conn = NULL; + } - if(plug.dl_handle) + if(plug.dl_handle) { libvdeplug_dynclose(plug); + } free(device); + device = NULL; free(iface); + iface = NULL; + + device_info = NULL; } static bool read_packet(vpn_packet_t *packet) { - int lenin = (ssize_t)plug.vde_recv(conn, packet->data, MTU, 0); + int lenin = (ssize_t)plug.vde_recv(conn, DATA(packet), MTU, 0); + if(lenin <= 0) { logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info, device, strerror(errno)); event_exit(); @@ -109,7 +120,7 @@ static bool read_packet(vpn_packet_t *packet) { } static bool write_packet(vpn_packet_t *packet) { - if((ssize_t)plug.vde_send(conn, packet->data, packet->len, 0) < 0) { + if((ssize_t)plug.vde_send(conn, DATA(packet), packet->len, 0) < 0) { if(errno != EINTR && errno != EAGAIN) { logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno)); event_exit();