3rd-party/libtins
1
0
Fork 0
mirror of https://github.com/mfontanini/libtins synced 2026-01-26 20:01:35 +01:00
Code Issues Releases Wiki Activity

IP now fills automatically the sender address when no link layer PDU is present. Made some protocols work when using PacketSender::send_recv.

Browse Source
This commit is contained in:
Matias Fontanini
2013-03-25 14:08:59 -03:00
parent b0dc376494
commit 82ef41dd92
16 changed files with 241 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/tcp.cpp
View File

@@ -374,5 +374,17 @@ void TCP::internal_add_option(const tcp_option &option) {
_total_options_size = (padding) ? _options_size - padding + 4 : _options_size;
}
bool TCP::matches_response(uint8_t *ptr, uint32_t total_sz) {
if(total_sz < sizeof(tcphdr))
return false;
const tcphdr *tcp_ptr = (const tcphdr*)ptr;
if(tcp_ptr->sport == _tcp.dport && tcp_ptr->dport == _tcp.sport) {
uint32_t sz = std::min(total_sz, tcp_ptr->doff * sizeof(uint32_t));
return inner_pdu() ? inner_pdu()->matches_response(ptr + sz, total_sz - sz) : true;
}
else
return false;
}
}