zf#lddlZddlZdZGddZGddeZGddZdS) Nc4d}tdt|dz dD]}|||dz||dzzz }t|dzr||t|dz dzz }|dz r|dz|dz z}|dz |}|dzdz|dz dzzS) zCreates the ICMP checksum as in RFC 1071 :param data: Data to calculate the checksum ofs :type data: bytes :return: Calculated checksum :rtype: int Divides the data in 16-bits chunks, then make their 1's complement sumri)rangelen)datasubtotalichecks Q/var/www/ffwdstore.be/apps/py-env/lib/python3.11/site-packages/pythonping/icmp.pychecksumrsH 1c$iik1 % %11d1gld1Q3i/0 4yy1}-T#d))A+&!+, b.:v%(b.9 b.: IE aZ6 !uzV&; <<ceZdZdZdZdS)ICMPTypezRepresents an ICMP type, as combination of type and code ICMP Types should inherit from this class so that the code can identify them easily. This is a static class, not meant to be instantiatedc td)Nz ICMPType may not be instantiated) TypeErrorselfs r__init__zICMPType.__init__s:;;;rN)__name__ __module__ __qualname____doc__rrrrrs-<<<<<<(#*B. '~5z ICMP.__repr__..s.==q**======r)joinrrs r__repr__z ICMP.__repr__s%xx==DH======rc4|jdS|j|jkS)z7True if the received checksum is valid, otherwise FalseNT)rrrs ris_validz ICMP.is_valids#  ! )4%)???rcTt||jzS)zNThe checksum expected for this packet, calculated with checksum field set to 0)rrrrs rrzICMP.expected_checksums! 5666rcDt|S)zLength of the ICMP header)r rrs r header_lengthzICMP.header_lengths4<<>>"""rcLt}|||S)zCreates a new ICMP representation from the raw bytes :param raw: The raw packet including payload :type raw: bytes :return: An ICMP instance representing the packet :rtype: ICMP)runpack)rrs rgenerate_from_rawzICMP.generate_from_raws$ c rc||_tjd|dd\|_|_|_|_|_|dd|_dS)zUnpacks a raw packet and stores it in this object :param raw: The raw packet, including payload :type raw: bytesrN) rrrrrrrrr)rrs rrz ICMP.unpacksX  $*=#be*#E#E  !    " G  233x r)r)rrrLEN_TO_PAYLOADr r%rpropertyrrrrrr staticmethodrrrrrrr{sN$)OTdde:X 1 1 1 1>>>@@X@ 77X7##X#  \       rr)rrrrr rrrrrs ===(<<<<<<<<W,W,W,W,W,HW,W,W,tb b b b b b b b b b r