mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-21 02:06:37 +00:00
0bff6a5af8
It contains many fixes, including bounds checking, buffer overflows (in SLIP and bittok2str_internal), buffer over-reads, and infinite loops. One other notable change: Do not use getprotobynumber() for protocol name resolution. Do not do any protocol name resolution if -n is specified. Submitted by: gordon Reviewed by: delphij, emaste, glebius MFC after: 1 week Relnotes: Yes Security: CVE-2017-11108, CVE-2017-11541, CVE-2017-11542 Security: CVE-2017-11543, CVE-2017-12893, CVE-2017-12894 Security: CVE-2017-12895, CVE-2017-12896, CVE-2017-12897 Security: CVE-2017-12898, CVE-2017-12899, CVE-2017-12900 Security: CVE-2017-12901, CVE-2017-12902, CVE-2017-12985 Security: CVE-2017-12986, CVE-2017-12987, CVE-2017-12988 Security: CVE-2017-12989, CVE-2017-12990, CVE-2017-12991 Security: CVE-2017-12992, CVE-2017-12993, CVE-2017-12994 Security: CVE-2017-12995, CVE-2017-12996, CVE-2017-12997 Security: CVE-2017-12998, CVE-2017-12999, CVE-2017-13000 Security: CVE-2017-13001, CVE-2017-13002, CVE-2017-13003 Security: CVE-2017-13004, CVE-2017-13005, CVE-2017-13006 Security: CVE-2017-13007, CVE-2017-13008, CVE-2017-13009 Security: CVE-2017-13010, CVE-2017-13011, CVE-2017-13012 Security: CVE-2017-13013, CVE-2017-13014, CVE-2017-13015 Security: CVE-2017-13016, CVE-2017-13017, CVE-2017-13018 Security: CVE-2017-13019, CVE-2017-13020, CVE-2017-13021 Security: CVE-2017-13022, CVE-2017-13023, CVE-2017-13024 Security: CVE-2017-13025, CVE-2017-13026, CVE-2017-13027 Security: CVE-2017-13028, CVE-2017-13029, CVE-2017-13030 Security: CVE-2017-13031, CVE-2017-13032, CVE-2017-13033 Security: CVE-2017-13034, CVE-2017-13035, CVE-2017-13036 Security: CVE-2017-13037, CVE-2017-13038, CVE-2017-13039 Security: CVE-2017-13040, CVE-2017-13041, CVE-2017-13042 Security: CVE-2017-13043, CVE-2017-13044, CVE-2017-13045 Security: CVE-2017-13046, CVE-2017-13047, CVE-2017-13048 Security: CVE-2017-13049, CVE-2017-13050, CVE-2017-13051 Security: CVE-2017-13052, CVE-2017-13053, CVE-2017-13054 Security: CVE-2017-13055, CVE-2017-13687, CVE-2017-13688 Security: CVE-2017-13689, CVE-2017-13690, CVE-2017-13725 Differential Revision: https://reviews.freebsd.org/D12404
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* Copyright (C) 2000, Richard Sharpe
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*
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* This software may be distributed either under the terms of the
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* BSD-style license that accompanies tcpdump or under the GNU GPL
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* version 2 or later.
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*
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* print-beep.c
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*
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*/
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/* \summary: Blocks Extensible Exchange Protocol (BEEP) 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 <string.h>
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#include "netdissect.h"
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/* Check for a string but not go beyond length
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* Return TRUE on match, FALSE otherwise
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*
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* Looks at the first few chars up to tl1 ...
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*/
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static int
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l_strnstart(netdissect_options *ndo, const char *tstr1, u_int tl1,
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const char *str2, u_int l2)
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{
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if (!ND_TTEST2(*str2, tl1)) {
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/*
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* We don't have tl1 bytes worth of captured data
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* for the string, so we can't check for this
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* string.
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*/
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return 0;
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}
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if (tl1 > l2)
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return 0;
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return (strncmp(tstr1, str2, tl1) == 0 ? 1 : 0);
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}
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void
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beep_print(netdissect_options *ndo, const u_char *bp, u_int length)
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{
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if (l_strnstart(ndo, "MSG", 4, (const char *)bp, length)) /* A REQuest */
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ND_PRINT((ndo, " BEEP MSG"));
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else if (l_strnstart(ndo, "RPY ", 4, (const char *)bp, length))
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ND_PRINT((ndo, " BEEP RPY"));
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else if (l_strnstart(ndo, "ERR ", 4, (const char *)bp, length))
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ND_PRINT((ndo, " BEEP ERR"));
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else if (l_strnstart(ndo, "ANS ", 4, (const char *)bp, length))
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ND_PRINT((ndo, " BEEP ANS"));
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else if (l_strnstart(ndo, "NUL ", 4, (const char *)bp, length))
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ND_PRINT((ndo, " BEEP NUL"));
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else if (l_strnstart(ndo, "SEQ ", 4, (const char *)bp, length))
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ND_PRINT((ndo, " BEEP SEQ"));
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else if (l_strnstart(ndo, "END", 4, (const char *)bp, length))
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ND_PRINT((ndo, " BEEP END"));
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else
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ND_PRINT((ndo, " BEEP (payload or undecoded)"));
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}
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