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/*
* Copyright (c) 2017, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <tins/detail/pdu_helpers.h>
#ifdef TINS_HAVE_PCAP
#include <pcap.h>
#endif // TINS_HAVE_PCAP
#include <tins/ip.h>
#include <tins/ethernetII.h>
#include <tins/ieee802_3.h>
#include <tins/radiotap.h>
#include <tins/dot11/dot11_base.h>
#include <tins/ipv6.h>
#include <tins/tcp.h>
#include <tins/udp.h>
#include <tins/ipsec.h>
#include <tins/icmp.h>
#include <tins/loopback.h>
#include <tins/sll.h>
#include <tins/ppi.h>
#include <tins/icmpv6.h>
#include <tins/mpls.h>
#include <tins/arp.h>
#include <tins/eapol.h>
#include <tins/rawpdu.h>
#include <tins/dot1q.h>
#include <tins/pppoe.h>
#include <tins/pdu_allocator.h>
namespace Tins {
namespace Internals {
Tins::PDU* pdu_from_flag(Constants::Ethernet::e flag,
const uint8_t* buffer,
uint32_t size,
bool rawpdu_on_no_match) {
switch (flag) {
case Tins::Constants::Ethernet::IP:
return new IP(buffer, size);
case Constants::Ethernet::IPV6:
return new IPv6(buffer, size);
case Tins::Constants::Ethernet::ARP:
return new ARP(buffer, size);
case Tins::Constants::Ethernet::PPPOED:
case Tins::Constants::Ethernet::PPPOES:
return new PPPoE(buffer, size);
case Tins::Constants::Ethernet::EAPOL:
return EAPOL::from_bytes(buffer, size);
case Tins::Constants::Ethernet::VLAN:
case Tins::Constants::Ethernet::QINQ:
case Tins::Constants::Ethernet::OLD_QINQ:
return new Dot1Q(buffer, size);
case Tins::Constants::Ethernet::MPLS:
return new MPLS(buffer, size);
default:
{
PDU* pdu = Internals::allocate<EthernetII>(
static_cast<uint16_t>(flag),
buffer,
size
);
if (pdu) {
return pdu;
}
}
return rawpdu_on_no_match ? new RawPDU(buffer, size) : 0;
};
}
Tins::PDU* pdu_from_flag(Constants::IP::e flag,
const uint8_t* buffer,
uint32_t size,
bool rawpdu_on_no_match) {
switch (flag) {
case Constants::IP::PROTO_IPIP:
return new Tins::IP(buffer, size);
case Constants::IP::PROTO_TCP:
return new Tins::TCP(buffer, size);
case Constants::IP::PROTO_UDP:
return new Tins::UDP(buffer, size);
case Constants::IP::PROTO_ICMP:
return new Tins::ICMP(buffer, size);
case Constants::IP::PROTO_ICMPV6:
return new Tins::ICMPv6(buffer, size);
case Constants::IP::PROTO_IPV6:
return new Tins::IPv6(buffer, size);
case Constants::IP::PROTO_AH:
return new Tins::IPSecAH(buffer, size);
case Constants::IP::PROTO_ESP:
return new Tins::IPSecESP(buffer, size);
default:
break;
}
if (rawpdu_on_no_match) {
return new Tins::RawPDU(buffer, size);
}
return 0;
}
#ifdef TINS_HAVE_PCAP
PDU* pdu_from_dlt_flag(int flag,
const uint8_t* buffer,
uint32_t size,
bool rawpdu_on_no_match) {
switch (flag) {
case DLT_EN10MB:
return new EthernetII(buffer, size);
#ifdef TINS_HAVE_DOT11
case DLT_IEEE802_11_RADIO:
return new RadioTap(buffer, size);
case DLT_IEEE802_11:
return Dot11::from_bytes(buffer, size);
#else // TINS_HAVE_DOT11
case DLT_IEEE802_11_RADIO:
case DLT_IEEE802_11:
throw protocol_disabled();
#endif // TINS_HAVE_DOT11
case DLT_NULL:
return new Loopback(buffer, size);
case DLT_LINUX_SLL:
return new SLL(buffer, size);
case DLT_PPI:
return new PPI(buffer, size);
default:
return rawpdu_on_no_match ? new RawPDU(buffer, size) : 0;
};
}
#endif // TINS_HAVE_PCAP
Tins::PDU* pdu_from_flag(PDU::PDUType type, const uint8_t* buffer, uint32_t size) {
switch(type) {
case Tins::PDU::ETHERNET_II:
return new Tins::EthernetII(buffer, size);
case Tins::PDU::IP:
return new Tins::IP(buffer, size);
case Tins::PDU::IPv6:
return new Tins::IPv6(buffer, size);
case Tins::PDU::ARP:
return new Tins::ARP(buffer, size);
case Tins::PDU::IEEE802_3:
return new Tins::IEEE802_3(buffer, size);
case Tins::PDU::PPPOE:
return new Tins::PPPoE(buffer, size);
#ifdef TINS_HAVE_DOT11
case Tins::PDU::RADIOTAP:
return new Tins::RadioTap(buffer, size);
case Tins::PDU::DOT11:
case Tins::PDU::DOT11_ACK:
case Tins::PDU::DOT11_ASSOC_REQ:
case Tins::PDU::DOT11_ASSOC_RESP:
case Tins::PDU::DOT11_AUTH:
case Tins::PDU::DOT11_BEACON:
case Tins::PDU::DOT11_BLOCK_ACK:
case Tins::PDU::DOT11_BLOCK_ACK_REQ:
case Tins::PDU::DOT11_CF_END:
case Tins::PDU::DOT11_DATA:
case Tins::PDU::DOT11_CONTROL:
case Tins::PDU::DOT11_DEAUTH:
case Tins::PDU::DOT11_DIASSOC:
case Tins::PDU::DOT11_END_CF_ACK:
case Tins::PDU::DOT11_MANAGEMENT:
case Tins::PDU::DOT11_PROBE_REQ:
case Tins::PDU::DOT11_PROBE_RESP:
case Tins::PDU::DOT11_PS_POLL:
case Tins::PDU::DOT11_REASSOC_REQ:
case Tins::PDU::DOT11_REASSOC_RESP:
case Tins::PDU::DOT11_RTS:
case Tins::PDU::DOT11_QOS_DATA:
return Tins::Dot11::from_bytes(buffer, size);
#endif // TINS_HAVE_DOT11
default:
return 0;
};
}
Constants::Ethernet::e pdu_flag_to_ether_type(PDU::PDUType flag) {
switch (flag) {
case PDU::IP:
return Constants::Ethernet::IP;
case PDU::IPv6:
return Constants::Ethernet::IPV6;
case PDU::ARP:
return Constants::Ethernet::ARP;
case PDU::DOT1Q:
return Constants::Ethernet::VLAN;
case PDU::DOT1AD:
return Constants::Ethernet::QINQ;
case PDU::PPPOE:
return Constants::Ethernet::PPPOED;
case PDU::MPLS:
return Constants::Ethernet::MPLS;
case PDU::RSNEAPOL:
case PDU::RC4EAPOL:
return Constants::Ethernet::EAPOL;
default:
if (Internals::pdu_type_registered<EthernetII>(flag)) {
return static_cast<Constants::Ethernet::e>(
Internals::pdu_type_to_id<EthernetII>(flag)
);
}
return Constants::Ethernet::UNKNOWN;
}
}
PDU::PDUType ether_type_to_pdu_flag(Constants::Ethernet::e flag) {
switch (flag) {
case Constants::Ethernet::IP:
return PDU::IP;
case Constants::Ethernet::IPV6:
return PDU::IPv6;
case Constants::Ethernet::ARP:
return PDU::ARP;
case Constants::Ethernet::VLAN:
return PDU::DOT1Q;
case Constants::Ethernet::QINQ:
case Constants::Ethernet::OLD_QINQ:
return PDU::DOT1AD;
case Constants::Ethernet::PPPOED:
return PDU::PPPOE;
//case PDU::RSNEAPOL
//case PDU::RC4EAPOL:
// return Constants::Ethernet::EAPOL;
default:
return PDU::UNKNOWN;
}
}
Constants::IP::e pdu_flag_to_ip_type(PDU::PDUType flag) {
switch(flag) {
case PDU::IP:
return Constants::IP::PROTO_IPIP;
case PDU::IPv6:
return Constants::IP::PROTO_IPV6;
case PDU::TCP:
return Constants::IP::PROTO_TCP;
case PDU::UDP:
return Constants::IP::PROTO_UDP;
case PDU::ICMP:
return Constants::IP::PROTO_ICMP;
case PDU::ICMPv6:
return Constants::IP::PROTO_ICMPV6;
case PDU::IPSEC_AH:
return Constants::IP::PROTO_AH;
case PDU::IPSEC_ESP:
return Constants::IP::PROTO_ESP;
default:
return static_cast<Constants::IP::e>(0xff);
};
}
PDU::PDUType ip_type_to_pdu_flag(Constants::IP::e flag) {
switch(flag) {
case Constants::IP::PROTO_IPIP:
return PDU::IP;
case Constants::IP::PROTO_IPV6:
return PDU::IPv6;
case Constants::IP::PROTO_TCP:
return PDU::TCP;
case Constants::IP::PROTO_UDP:
return PDU::UDP;
case Constants::IP::PROTO_ICMP:
return PDU::ICMP;
case Constants::IP::PROTO_ICMPV6:
return PDU::ICMPv6;
case Constants::IP::PROTO_AH:
return PDU::IPSEC_AH;
case Constants::IP::PROTO_ESP:
return PDU::IPSEC_ESP;
default:
return PDU::UNKNOWN;
};
}
} // Internals
} // Tins
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