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https://github.com/the-tcpdump-group/tcpdump.git
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25687e1a31
This avoids to get only:
tcpdump: packet printing is not supported for link type XYZ: use -w
The default printing is like:
18:45:52.723872 UNSUPPORTED
0x0000: 001f 0000 0540 6078 725d 586d 4d66 4671 .....@`xr]XmMfFq
0x0010: 6d58 4d5c 7159 5f71 565c 556c 4e71 7171 mXM\qY_qV\UlNqqq
0x0020: 7171 7171 7171 7171 7171 7171 7171 5180 qqqqqqqqqqqqqqQ.
0x0030: 7f7f ..
18:45:52.755995 UNSUPPORTED
0x0000: 001f 0000 0540 6043 7851 807f 7f .....@`CxQ...
[...]
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/*
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* Copyright (c) 2020 The TCPDUMP project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*/
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/* \summary: unsupported link-layer protocols printer */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "netdissect-stdinc.h"
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#include "netdissect.h"
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void
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unsupported_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
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const u_char *p)
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{
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ndo->ndo_protocol = "unsupported";
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nd_print_protocol_caps(ndo);
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hex_and_ascii_print(ndo, "\n\t", p, h->caplen);
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}
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