void RadioTap::send(PacketSender &sender, const NetworkInterface &iface) {
if(!iface)
throw invalid_interface();
#if !defined(BSD) && !defined(__FreeBSD_kernel__)
struct sockaddr_ll addr;
memset(&addr, 0, sizeof(struct sockaddr_ll));
addr.sll_family = Endian::host_to_be<uint16_t>(PF_PACKET);
addr.sll_protocol = Endian::host_to_be<uint16_t>(ETH_P_ALL);
addr.sll_halen = 6;
addr.sll_ifindex = iface.id();
const Tins::Dot11 *wlan = tins_cast<Tins::Dot11*>(inner_pdu());
if(wlan) {
Tins::Dot11::address_type dot11_addr(wlan->addr1());
std::copy(dot11_addr.begin(), dot11_addr.end(), addr.sll_addr);
}
sender.send_l2(*this, (struct sockaddr*)&addr, (uint32_t)sizeof(addr));
#else
sender.send_l2(*this, 0, 0, iface);
#endif
}
void Dot11::send(PacketSender &sender, const NetworkInterface &iface) {
if(!iface)
throw invalid_interface();
#if !defined(BSD) && !defined(__FreeBSD_kernel__)
sockaddr_ll addr;
memset(&addr, 0, sizeof(struct sockaddr_ll));
addr.sll_family = Endian::host_to_be<uint16_t>(PF_PACKET);
addr.sll_protocol = Endian::host_to_be<uint16_t>(ETH_P_ALL);
addr.sll_halen = 6;
addr.sll_ifindex = iface.id();
memcpy(&(addr.sll_addr), _header.addr1, 6);
sender.send_l2(*this, (struct sockaddr*)&addr, (uint32_t)sizeof(addr));
#else
sender.send_l2(*this, 0, 0, iface);
#endif
}
void EthernetII::send(PacketSender &sender, const NetworkInterface &iface) {
if(!iface)
throw invalid_interface();
#if defined(HAVE_PACKET_SENDER_PCAP_SENDPACKET) || defined(BSD) || defined(__FreeBSD_kernel__)
// Sending using pcap_sendpacket/BSD bpf packet mode is the same here
sender.send_l2(*this, 0, 0, iface);
#elif defined(WIN32)
// On Windows we can only send l2 PDUs using pcap_sendpacket
throw std::runtime_error("LIBTINS_USE_PCAP_SENDPACKET is not enabled");
#else
// Default GNU/Linux behaviour
struct sockaddr_ll addr;
memset(&addr, 0, sizeof(struct sockaddr_ll));
addr.sll_family = Endian::host_to_be<uint16_t>(PF_PACKET);
addr.sll_protocol = Endian::host_to_be<uint16_t>(ETH_P_ALL);
addr.sll_halen = address_type::address_size;
addr.sll_ifindex = iface.id();
memcpy(&(addr.sll_addr), _eth.dst_mac, address_type::address_size);
sender.send_l2(*this, (struct sockaddr*)&addr, (uint32_t)sizeof(addr));
#endif
}