X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fraw_socket_device.c;h=f4ed6941bbafc7af01c62f362cf214010657994f;hp=427fb3f763db7ac4eadc8f2908ddab08d6dc55b7;hb=061c3fcaf9c63978009dc2707071f8daef8751b2;hpb=110ca1958af2465e383b4ca20b67fd0e780f3fb5 diff --git a/src/raw_socket_device.c b/src/raw_socket_device.c index 427fb3f7..f4ed6941 100644 --- a/src/raw_socket_device.c +++ b/src/raw_socket_device.c @@ -33,7 +33,7 @@ #include "xalloc.h" #if defined(PF_PACKET) && defined(ETH_P_ALL) && defined(AF_PACKET) && defined(SIOCGIFINDEX) -static char *device_info; +static const char *device_info = "raw_socket"; static uint64_t device_total_in = 0; static uint64_t device_total_out = 0; @@ -42,17 +42,17 @@ static bool setup_device(void) { struct ifreq ifr; struct sockaddr_ll sa; - if(!get_config_string(lookup_config(config_tree, "Interface"), &iface)) + if(!get_config_string(lookup_config(config_tree, "Interface"), &iface)) { iface = xstrdup("eth0"); + } - if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) { device = xstrdup(iface); - - device_info = "raw socket"; + } if((device_fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0) { logger(LOG_ERR, "Could not open %s: %s", device_info, - strerror(errno)); + strerror(errno)); return false; } @@ -97,7 +97,7 @@ static bool read_packet(vpn_packet_t *packet) { if((lenin = read(device_fd, packet->data, MTU)) <= 0) { logger(LOG_ERR, "Error while reading from %s %s: %s", device_info, - device, strerror(errno)); + device, strerror(errno)); return false; } @@ -106,18 +106,18 @@ static bool read_packet(vpn_packet_t *packet) { device_total_in += packet->len; ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len, - device_info); + device_info); return true; } static bool write_packet(vpn_packet_t *packet) { ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s", - packet->len, device_info); + packet->len, device_info); if(write(device_fd, packet->data, packet->len) < 0) { logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device, - strerror(errno)); + strerror(errno)); return false; }