marvin.weiler/python-netfilterqueue
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work on new packet

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dowright 2021-08-24 18:45:12 -07:00 committed by DOWRIGHT
parent fe961811ba
commit 6d031c48bc
1 changed files with 5 additions and 2 deletions
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7
new_packet.pyx
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@ -100,22 +100,25 @@ cdef class CPacket:
cdef u_int8_t tcphdr_len
cdef u_int8_t udphdr_len
cdef u_int8_t cmbhdr_len
if (self.ip_header.protocol == IPPROTO_TCP):
self.tcp_header = <tcphdr*>self.data[iphdr_len]
tcphdr_len = (self.tcp_header.th_off & 15) * 4
cmbhdr_len = iphdr_len + tcphdr_len
self.payload = self.data[iphdr_len+tcphdr_len:self.data_len]
self.payload = self.data[cmbhdr_len:self.data_len]
elif (self.ip_header.protocol == IPPROTO_UDP):
self.udp_header = <udphdr*>self.data[iphdr_len]
udphdr_len = 8
cmbhdr_len = iphdr_len + udphdr_len
self.payload = self.data[iphdr_len + udphdr_len:self.data_len]
self.payload = self.data[cmbhdr_len:self.data_len]
elif (self.ip_header.protocol == IPPROTO_ICMP):