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eve2pcap: fix handling of IPv6 addresses#86
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johnrbrown wants to merge 1 commit intojasonish:masterfrom
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eve2pcap: fix handling of IPv6 addresses#86johnrbrown wants to merge 1 commit intojasonish:masterfrom
johnrbrown wants to merge 1 commit intojasonish:masterfrom
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Merged. Thanks! |
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This fixes the following error when using
idstools-eve2pcap(version 0.6.4) andscapy(version 2.4.4) under python 3 (version 3.8) with json events containing IPv6 src and dest addresses:"Traceback (most recent call last):", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/fields.py\", line 758, in h2i", " inet_aton(x)", "OSError: illegal IP address string passed to inet_aton", "", "During handling of the above exception, another exception occurred:", "", "Traceback (most recent call last):", " File \"/usr/local/bin/idstools-eve2pcap\", line 12, in <module>", " sys.exit(main())", " File \"/usr/local/lib/python3.8/dist-packages/idstools/scripts/eve2pcap.py\", line 239, in main", " hdr, packet = payload2packet(event)", " File \"/usr/local/lib/python3.8/dist-packages/idstools/scripts/eve2pcap.py\", line 163, in payload2packet", " packet = IP(src=event[\"src_ip\"], dst=event[\"dest_ip\"])", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/base_classes.py\", line 392, in __call__", " i.__init__(*args, **kargs)", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/packet.py\", line 171, in __init__", " self.fields[fname] = self.get_field(fname).any2i(self, value)", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/fields.py\", line 793, in any2i", " return self.h2i(pkt, x)", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/fields.py\", line 760, in h2i", " return Net(x)", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/base_classes.py\", line 165, in __init__", " self.start = self.ip2int(net) >> inv_mask << inv_mask", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/base_classes.py\", line 143, in ip2int", " \"!I\", socket.inet_aton(cls.name2addr(addr))", " File \"/usr/local/lib/python3.8/dist-packages/scapy-2.4.5rc1.dev2-py3.8.egg/scapy/base_classes.py\", line 130, in name2addr", " socket.getaddrinfo(name, None, cls.family)", " File \"/usr/lib/python3.8/socket.py\", line 918, in getaddrinfo", " for res in _socket.getaddrinfo(host, port, family, type, proto, flags):", "socket.gaierror: [Errno -9] Address family for hostname not supported"Basically, scapy has support for IPv6 but requires the
eve2pcap.pyscript to distinguish between IPv4 and IPv6 when constructing a packet to dump as PCAP.