X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fvde_device.c;h=0170af32401f6dad1c3674a53c9ccdcb0ab89002;hb=38489e37f50e807e51bfd28ebb8b20396eed1447;hp=55d66b469ea6f4cbf0d1ee5472610a7c0a46c222;hpb=ed1d0878afe53032a4b63e87afd4a435015cf5de;p=tinc diff --git a/src/vde_device.c b/src/vde_device.c index 55d66b46..0170af32 100644 --- a/src/vde_device.c +++ b/src/vde_device.c @@ -34,7 +34,7 @@ static struct vdepluglib plug; static struct vdeconn *conn = NULL; static int port = 0; static char *group = NULL; -static char *device_info; +static const char *device_info = "VDE socket"; static bool setup_device(void) { libvdeplug_dynopen(plug); @@ -44,8 +44,9 @@ static bool setup_device(void) { return false; } - if(!get_config_string(lookup_config(config_tree, "Device"), &device)) - xasprintf(&device, LOCALSTATEDIR "/run/vde.ctl"); + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) { + xasprintf(&device, RUNSTATEDIR "/vde.ctl"); + } get_config_string(lookup_config(config_tree, "Interface"), &iface); @@ -53,8 +54,6 @@ static bool setup_device(void) { get_config_string(lookup_config(config_tree, "VDEGroup"), &group); - device_info = "VDE socket"; - struct vde_open_args args = { .port = port, .group = group, @@ -62,6 +61,7 @@ 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; @@ -75,29 +75,35 @@ 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) { - plug.vde_close(conn); conn = NULL; + plug.vde_close(conn); + conn = NULL; } - if(plug.dl_handle) + if(plug.dl_handle) { libvdeplug_dynclose(plug); + } - free(device); device = NULL; + free(device); + device = NULL; - free(iface); iface = 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(); @@ -112,7 +118,7 @@ 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();