X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fvde_device.c;h=0170af32401f6dad1c3674a53c9ccdcb0ab89002;hb=38489e37f50e807e51bfd28ebb8b20396eed1447;hp=258945edb37b628959d8346d75bda908eaab587d;hpb=1b2846d907adfc8472fc9da0c951c3243c7ee143;p=tinc diff --git a/src/vde_device.c b/src/vde_device.c index 258945ed..0170af32 100644 --- a/src/vde_device.c +++ b/src/vde_device.c @@ -1,6 +1,6 @@ /* device.c -- VDE plug - Copyright (C) 2012 Guus Sliepen + Copyright (C) 2013 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -23,6 +23,7 @@ #include "conf.h" #include "device.h" +#include "names.h" #include "net.h" #include "logger.h" #include "utils.h" @@ -33,24 +34,19 @@ static struct vdepluglib plug; static struct vdeconn *conn = NULL; static int port = 0; static char *group = NULL; -static char *device_info; - -extern char *identname; -extern volatile bool running; - -static uint64_t device_total_in = 0; -static uint64_t device_total_out = 0; +static const char *device_info = "VDE socket"; static bool setup_device(void) { libvdeplug_dynopen(plug); if(!plug.dl_handle) { - logger(LOG_ERR, "Could not open libvdeplug library!"); + logger(DEBUG_ALWAYS, LOG_ERR, "Could not open libvdeplug library!"); 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); @@ -58,8 +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, @@ -67,8 +61,9 @@ static bool setup_device(void) { }; conn = plug.vde_open(device, identname, &args); + if(!conn) { - logger(LOG_ERR, "Could not open VDE socket %s", device); + logger(DEBUG_ALWAYS, LOG_ERR, "Could not open VDE socket %s", device); return false; } @@ -78,66 +73,66 @@ static bool setup_device(void) { fcntl(device_fd, F_SETFD, FD_CLOEXEC); #endif - logger(LOG_INFO, "%s is a %s", device, device_info); + 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 = plug.vde_recv(conn, packet->data, MTU, 0); + int lenin = (ssize_t)plug.vde_recv(conn, DATA(packet), MTU, 0); + if(lenin <= 0) { - logger(LOG_ERR, "Error while reading from %s %s: %s", device_info, device, strerror(errno)); - running = false; + logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info, device, strerror(errno)); + event_exit(); return false; } packet->len = lenin; - device_total_in += packet->len; - ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len, device_info); + + logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s", packet->len, device_info); return true; } static bool write_packet(vpn_packet_t *packet) { - if(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(LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno)); - running = false; + logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno)); + event_exit(); } return false; } - device_total_out += packet->len; - return true; } -static void dump_device_stats(void) { - logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device); - logger(LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in); - logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out); -} - const devops_t vde_devops = { .setup = setup_device, .close = close_device, .read = read_packet, .write = write_packet, - .dump_stats = dump_device_stats, };