75 lines
1.6 KiB
Cython
75 lines
1.6 KiB
Cython
cdef extern from "sys/types.h":
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ctypedef unsigned char u_int8_t
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ctypedef unsigned short int u_int16_t
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ctypedef unsigned int u_int32_t
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cdef extern from "<errno.h>":
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int errno
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# cython define
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cdef extern from "netinet/ip.h":
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struct iphdr:
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u_int8_t tos
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u_int16_t tot_len
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u_int16_t id
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u_int16_t frag_off
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u_int8_t ttl
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u_int8_t protocol
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u_int16_t check
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u_int32_t saddr
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u_int32_t daddr
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# cython define
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cdef extern from "netinet/tcp.h":
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struct tcphdr:
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u_int16_t th_sport
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u_int16_t th_dport
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u_int32_t th_seq
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u_int32_t th_ack
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u_int8_t th_x2:4
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u_int8_t th_off:4
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u_int8_t th_flags
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u_int16_t th_win
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u_int16_t th_sum
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u_int16_t th_urp
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# cython define
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cdef extern from "netinet/udp.h":
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struct udphdr:
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u_int16_t uh_sport
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u_int16_t uh_dport
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u_int16_t uh_ulen
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u_int16_t uh_sum
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cdef struct icmphdr:
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u_int8_t type
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# from netinet/in.h:
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cdef enum:
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IPPROTO_IP = 0 # Dummy protocol for TCP.
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IPPROTO_ICMP = 1 # Internet Control Message Protocol.
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IPPROTO_TCP = 6 # Transmission Control Protocol.
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IPPROTO_UDP = 17 # User Datagram Protocol.
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cdef class CPacket:
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cdef nfq_q_handle *_qh
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cdef nfq_data *_nfa
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cdef nfqnl_msg_packet_hdr *_hdr
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cdef nfqnl_msg_packet_hw *_hw
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cdef u_int16_t __queue_num
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cdef bint threaded
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cdef bint _verdict_is_set
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cdef u_int32_t _mark
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# Packet details:
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cdef Py_ssize_t payload_len
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cdef readonly unsigned char *payload
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cdef timeval timestamp
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cdef u_int8_t hw_addr[8]
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