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Code Issues Releases Wiki Activity

Documented many header files. Done some minor code refactoring over PDU::clone_packet.

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This commit is contained in:
Matias Fontanini
2011-08-16 20:53:55 -03:00
parent 9b897db21f
commit e587d18796
12 changed files with 125 additions and 66 deletions
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26
src/arp.cpp
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@@ -52,7 +52,7 @@ Tins::PDU* Tins::ARP::make_arp_request(const std::string& iface,
if (hw_snd) {
memcpy(arp->_arp.ar_sha, hw_snd, 6);
}
arp->_arp.ar_op = Tins::ARP::REQUEST;
arp->_arp.ar_op = Utils::net_to_host_s(REQUEST);
/* Create the EthernetII PDU with the ARP PDU as its inner PDU */
EthernetII* eth = new EthernetII(iface, Tins::EthernetII::BROADCAST, hw_snd, arp);
@@ -82,7 +82,7 @@ Tins::PDU* Tins::ARP::make_arp_reply(const string& iface,
arp->_arp.ar_sip = sender;
memcpy(arp->_arp.ar_sha, hw_snd, 6);
memcpy(arp->_arp.ar_tha, hw_tgt, 6);
arp->_arp.ar_op = Tins::ARP::REPLY;
arp->_arp.ar_op = Utils::net_to_host_s(REPLY);
/* Create the EthernetII PDU with the ARP PDU as its inner PDU */
EthernetII* eth = new EthernetII(iface, hw_tgt, hw_snd, arp);
@@ -91,13 +91,13 @@ Tins::PDU* Tins::ARP::make_arp_reply(const string& iface,
Tins::ARP::ARP() : PDU(0x0608) {
std::memset(&_arp, 0, sizeof(arphdr));
_arp.ar_hrd = 0x0100;
_arp.ar_pro = 0x0008;
_arp.ar_hrd = Utils::net_to_host_s(0x0001);
_arp.ar_pro = Utils::net_to_host_s(0x0800);
_arp.ar_hln = 6;
_arp.ar_pln = 4;
}
Tins::ARP::ARP(arphdr *arp_ptr) : PDU(0x0608) {
Tins::ARP::ARP(arphdr *arp_ptr) : PDU(Utils::net_to_host_s(0x0806)) {
memcpy(&_arp, arp_ptr, sizeof(arphdr));
}
@@ -140,10 +140,9 @@ void Tins::ARP::opcode(Flags new_opcode) {
void Tins::ARP::set_arp_request(const std::string& ip_tgt, const std::string& ip_snd, const uint8_t* hw_snd) {
this->_arp.ar_tip = Utils::resolve_ip(ip_tgt);
this->_arp.ar_sip = Utils::resolve_ip(ip_snd);
if (hw_snd) {
if (hw_snd)
memcpy(this->_arp.ar_sha, hw_snd, 6);
}
this->_arp.ar_op = REQUEST;
this->_arp.ar_op = Utils::net_to_host_s(REQUEST);
}
void Tins::ARP::set_arp_reply(const std::string& ip_tgt,
@@ -155,7 +154,7 @@ void Tins::ARP::set_arp_reply(const std::string& ip_tgt,
this->_arp.ar_sip = Utils::resolve_ip(ip_snd);
memcpy(this->_arp.ar_tha, hw_tgt, 6);
memcpy(this->_arp.ar_sha, hw_snd, 6);
this->_arp.ar_op = REPLY;
this->_arp.ar_op = Utils::net_to_host_s(REPLY);
}
@@ -181,13 +180,8 @@ Tins::PDU *Tins::ARP::clone_packet(uint8_t *ptr, uint32_t total_sz) {
arphdr *arp_ptr = (arphdr*)ptr;
PDU *child = 0, *cloned;
if(total_sz > sizeof(arphdr)) {
if(inner_pdu()) {
child = inner_pdu()->clone_packet(ptr + sizeof(arphdr), total_sz - sizeof(arphdr));
if(!child)
return 0;
}
else
child = new RawPDU(ptr + sizeof(arphdr), total_sz - sizeof(arphdr));
if((child = PDU::clone_inner_pdu(ptr + sizeof(arphdr), total_sz - sizeof(arphdr))) == 0)
return 0;
}
cloned = new ARP(arp_ptr);
cloned->inner_pdu(child);