device.c -- Interaction BSD tun/tap device
Copyright (C) 2001-2005 Ivo Timmermans,
2001-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2009 Grzegorz Dymarek <gregd72002@googlemail.com>
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
if(routing_mode == RMODE_ROUTER)
overwrite_mac = true;
device_info = "Generic BSD tap device";
+#ifdef TAPGIFNAME
+ {
+ struct ifreq ifr;
+ if(ioctl(device_fd, TAPGIFNAME, (void*)&ifr) == 0) {
+ if(iface)
+ free(iface);
+ iface = xstrdup(ifr.ifr_name);
+ }
+ }
+
+#endif
break;
#ifdef HAVE_TUNEMU
case DEVICE_TYPE_TUNEMU:
}
bool read_packet(vpn_packet_t *packet) {
- int lenin;
+ int inlen;
switch(device_type) {
case DEVICE_TYPE_TUN:
#ifdef HAVE_TUNEMU
case DEVICE_TYPE_TUNEMU:
if(device_type == DEVICE_TYPE_TUNEMU)
- lenin = tunemu_read(device_fd, packet->data + 14, MTU - 14);
+ inlen = tunemu_read(device_fd, packet->data + 14, MTU - 14);
else
#else
- lenin = read(device_fd, packet->data + 14, MTU - 14);
+ inlen = read(device_fd, packet->data + 14, MTU - 14);
#endif
- if(lenin <= 0) {
+ if(inlen <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
break;
default:
ifdebug(TRAFFIC) logger(LOG_ERR,
- _ ("Unknown IP version %d while reading packet from %s %s"),
+ "Unknown IP version %d while reading packet from %s %s",
packet->data[14] >> 4, device_info, device);
return false;
}
- packet->len = lenin + 14;
+ packet->len = inlen + 14;
break;
case DEVICE_TYPE_TUNIFHEAD: {
u_int32_t type;
- struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, MTU - 14}};
+ struct iovec vector[2] = {{&type, sizeof type}, {packet->data + 14, MTU - 14}};
- if((lenin = readv(device_fd, vector, 2)) <= 0) {
+ if((inlen = readv(device_fd, vector, 2)) <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
default:
ifdebug(TRAFFIC) logger(LOG_ERR,
- _ ("Unknown address family %x while reading packet from %s %s"),
+ "Unknown address family %x while reading packet from %s %s",
ntohl(type), device_info, device);
return false;
}
- packet->len = lenin + 10;
+ packet->len = inlen + 10;
break;
}
case DEVICE_TYPE_TAP:
- if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
+ if((inlen = read(device_fd, packet->data, MTU)) <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
- packet->len = lenin;
+ packet->len = inlen;
break;
default:
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s",
packet->len, device_info);
- logger(LOG_INFO, "E:fd_read");
return true;
}
case DEVICE_TYPE_TUNIFHEAD: {
u_int32_t type;
- struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, packet->len - 14}};
+ struct iovec vector[2] = {{&type, sizeof type}, {packet->data + 14, packet->len - 14}};
int af;
af = (packet->data[12] << 8) + packet->data[13];