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Current Path: /usr/src/contrib/tcpdump

📁 ..
📄 CHANGES(57.87 KB)
📄 CONTRIBUTING(5.93 KB)
📄 CREDITS(14.57 KB)
📄 INSTALL.txt(5.25 KB)
📄 LICENSE(873 B)
📄 Makefile-devel-adds(614 B)
📄 Makefile.in(9.96 KB)
📄 PLATFORMS(567 B)
📄 README(9.04 KB)
📄 README.md(9.04 KB)
📄 VERSION(6 B)
📄 addrtoname.c(33.19 KB)
📄 addrtoname.h(2.78 KB)
📄 addrtostr.c(5.64 KB)
📄 addrtostr.h(2.03 KB)
📄 af.c(1.96 KB)
📄 af.h(1.81 KB)
📄 ah.h(2.34 KB)
📄 appletalk.h(4.06 KB)
📄 ascii_strcasecmp.c(3.5 KB)
📄 ascii_strcasecmp.h(1.49 KB)
📄 atime.awk(529 B)
📄 atm.h(1.14 KB)
📄 bpf_dump.c(1.9 KB)
📄 chdlc.h(1.31 KB)
📄 checksum.c(5.25 KB)
📄 config.guess(43.17 KB)
📄 config.h.in(11.19 KB)
📄 config.sub(34.93 KB)
📄 configure(255.88 KB)
📄 configure.ac(25.05 KB)
📄 configure.in(25.66 KB)
📄 cpack.c(3.92 KB)
📄 cpack.h(2.37 KB)
📄 ether.h(2.34 KB)
📄 ethertype.h(5.58 KB)
📄 extract.h(11.48 KB)
📄 funcattrs.h(4.42 KB)
📄 getopt_long.h(2.52 KB)
📄 gmpls.c(5.82 KB)
📄 gmpls.h(1.38 KB)
📄 gmt2local.c(2.01 KB)
📄 gmt2local.h(1.21 KB)
📄 in_cksum.c(6.44 KB)
📄 install-sh(5.45 KB)
📄 interface.h(2.29 KB)
📄 ip.h(5.75 KB)
📄 ip6.h(7.6 KB)
📄 ipproto.c(16.49 KB)
📄 ipproto.h(4.72 KB)
📄 l2vpn.c(3.36 KB)
📄 l2vpn.h(781 B)
📁 lbl
📄 llc.h(3.72 KB)
📄 machdep.c(2.58 KB)
📄 machdep.h(1.24 KB)
📄 makemib(6.41 KB)
📄 mib.h(26.33 KB)
📁 missing
📄 mkdep(2.43 KB)
📄 mpls.h(1.93 KB)
📄 nameser.h(10.8 KB)
📄 netdissect-stdinc.h(9.93 KB)
📄 netdissect.c(3.38 KB)
📄 netdissect.h(30.13 KB)
📄 nfs.h(13.37 KB)
📄 nfsfh.h(2.57 KB)
📄 nlpid.c(1.27 KB)
📄 nlpid.h(1.3 KB)
📄 openflow.h(2.14 KB)
📄 ospf.h(10.21 KB)
📄 oui.c(3.83 KB)
📄 oui.h(4.06 KB)
📄 packetdat.awk(1.39 KB)
📄 parsenfsfh.c(12.87 KB)
📄 pcap-missing.h(1.8 KB)
📄 pcap_dump_ftell.c(1.29 KB)
📄 ppp.h(3.07 KB)
📄 print-802_11.c(91.47 KB)
📄 print-802_15_4.c(5.5 KB)
📄 print-ah.c(2.02 KB)
📄 print-ahcp.c(10.73 KB)
📄 print-aodv.c(15.98 KB)
📄 print-aoe.c(11.13 KB)
📄 print-ap1394.c(4 KB)
📄 print-arcnet.c(8.83 KB)
📄 print-arp.c(14.57 KB)
📄 print-ascii.c(6.23 KB)
📄 print-atalk.c(16.76 KB)
📄 print-atm.c(16.81 KB)
📄 print-babel.c(23.79 KB)
📄 print-beep.c(1.71 KB)
📄 print-bfd.c(16.5 KB)
📄 print-bgp.c(99.77 KB)
📄 print-bootp.c(30.07 KB)
📄 print-bt.c(2.21 KB)
📄 print-calm-fast.c(1.81 KB)
📄 print-carp.c(2.43 KB)
📄 print-cdp.c(11.16 KB)
📄 print-cfm.c(24.19 KB)
📄 print-chdlc.c(5.88 KB)
📄 print-cip.c(2.5 KB)
📄 print-cnfp.c(13.69 KB)
📄 print-dccp.c(17.75 KB)
📄 print-decnet.c(37.63 KB)
📄 print-dhcp6.c(23.22 KB)
📄 print-domain.c(18.44 KB)
📄 print-dtp.c(3.03 KB)
📄 print-dvmrp.c(8.98 KB)
📄 print-eap.c(9.26 KB)
📄 print-egp.c(8.69 KB)
📄 print-eigrp.c(19.49 KB)
📄 print-enc.c(4.2 KB)
📄 print-esp.c(21.46 KB)
📄 print-ether.c(12.91 KB)
📄 print-fddi.c(10.51 KB)
📄 print-forces.c(45.01 KB)
📄 print-fr.c(31.99 KB)
📄 print-frag6.c(2.36 KB)
📄 print-ftp.c(973 B)
📄 print-geneve.c(6.13 KB)
📄 print-geonet.c(6.72 KB)
📄 print-gre.c(9.72 KB)
📄 print-hncp.c(26.39 KB)
📄 print-hsrp.c(4.57 KB)
📄 print-http.c(1.51 KB)
📄 print-icmp.c(22.7 KB)
📄 print-icmp6.c(59.81 KB)
📄 print-igmp.c(10.05 KB)
📄 print-igrp.c(4.64 KB)
📄 print-ip.c(17.04 KB)
📄 print-ip6.c(10.57 KB)
📄 print-ip6opts.c(5.53 KB)
📄 print-ipcomp.c(2.32 KB)
📄 print-ipfc.c(4.41 KB)
📄 print-ipnet.c(2.78 KB)
📄 print-ipx.c(6.42 KB)
📄 print-isakmp.c(81.72 KB)
📄 print-isoclns.c(107.61 KB)
📄 print-juniper.c(48.42 KB)
📄 print-krb.c(6.26 KB)
📄 print-l2tp.c(23.94 KB)
📄 print-lane.c(3.04 KB)
📄 print-ldp.c(24.35 KB)
📄 print-lisp.c(15.23 KB)
📄 print-llc.c(16.68 KB)
📄 print-lldp.c(57.26 KB)
📄 print-lmp.c(38.11 KB)
📄 print-loopback.c(3.63 KB)
📄 print-lspping.c(51.64 KB)
📄 print-lwapp.c(13.01 KB)
📄 print-lwres.c(14.08 KB)
📄 print-m3ua.c(10.92 KB)
📄 print-medsa.c(5.57 KB)
📄 print-mobile.c(3.28 KB)
📄 print-mobility.c(9.74 KB)
📄 print-mpcp.c(7.87 KB)
📄 print-mpls.c(5.31 KB)
📄 print-mptcp.c(13.68 KB)
📄 print-msdp.c(2.69 KB)
📄 print-msnlb.c(2.39 KB)
📄 print-nflog.c(4.4 KB)
📄 print-nfs.c(42.84 KB)
📄 print-nsh.c(5.39 KB)
📄 print-ntp.c(13.34 KB)
📄 print-null.c(4.01 KB)
📄 print-olsr.c(23.42 KB)
📄 print-openflow-1.0.c(76.63 KB)
📄 print-openflow.c(4.77 KB)
📄 print-ospf.c(39.49 KB)
📄 print-ospf6.c(29.86 KB)
📄 print-otv.c(2.1 KB)
📄 print-pflog.c(4.86 KB)
📄 print-pfsync.c(12.53 KB)
📄 print-pgm.c(22.17 KB)
📄 print-pim.c(32.59 KB)
📄 print-pktap.c(5.18 KB)
📄 print-ppi.c(2.68 KB)
📄 print-ppp.c(46.16 KB)
📄 print-pppoe.c(5.65 KB)
📄 print-pptp.c(25.9 KB)
📄 print-radius.c(35.1 KB)
📄 print-raw.c(1.52 KB)
📄 print-resp.c(16.5 KB)
📄 print-rip.c(9.19 KB)
📄 print-ripng.c(6 KB)
📄 print-rpki-rtr.c(10.83 KB)
📄 print-rrcp.c(4.56 KB)
📄 print-rsvp.c(78.61 KB)
📄 print-rt6.c(2.66 KB)
📄 print-rtsp.c(1.16 KB)
📄 print-rx.c(66.92 KB)
📄 print-sctp.c(23.13 KB)
📄 print-sflow.c(31.91 KB)
📄 print-sip.c(1.29 KB)
📄 print-sl.c(6.95 KB)
📄 print-sll.c(9.2 KB)
📄 print-slow.c(25.17 KB)
📄 print-smb.c(43.19 KB)
📄 print-smtp.c(983 B)
📄 print-snmp.c(43.17 KB)
📄 print-stp.c(17.18 KB)
📄 print-sunatm.c(3.27 KB)
📄 print-sunrpc.c(7.85 KB)
📄 print-symantec.c(3.78 KB)
📄 print-syslog.c(3.96 KB)
📄 print-tcp.c(35.84 KB)
📄 print-telnet.c(15.02 KB)
📄 print-tftp.c(5.2 KB)
📄 print-timed.c(4.74 KB)
📄 print-tipc.c(11.53 KB)
📄 print-token.c(7.96 KB)
📄 print-udld.c(5.47 KB)
📄 print-udp.c(21.28 KB)
📄 print-usb.c(4.18 KB)
📄 print-vjc.c(4.45 KB)
📄 print-vqp.c(6.8 KB)
📄 print-vrrp.c(6.37 KB)
📄 print-vtp.c(13.56 KB)
📄 print-vxlan-gpe.c(3.46 KB)
📄 print-vxlan.c(2.21 KB)
📄 print-wb.c(10.93 KB)
📄 print-zephyr.c(8.03 KB)
📄 print-zeromq.c(7.5 KB)
📄 print.c(11.54 KB)
📄 print.h(1.78 KB)
📄 rpc_auth.h(2.77 KB)
📄 rpc_msg.h(3.19 KB)
📄 rpl.h(4.88 KB)
📄 send-ack.awk(1.56 KB)
📄 setsignal.c(3.27 KB)
📄 setsignal.h(1.24 KB)
📄 signature.c(5.58 KB)
📄 signature.h(1.12 KB)
📄 slcompress.h(3.55 KB)
📄 smb.h(5.38 KB)
📄 smbutil.c(63.88 KB)
📄 stime.awk(567 B)
📄 strtoaddr.c(5.34 KB)
📄 strtoaddr.h(992 B)
📄 tcp.h(5.02 KB)
📄 tcpdump.1.in(60.82 KB)
📄 tcpdump.c(69.76 KB)
📄 timeval-operations.h(3.19 KB)
📄 udp.h(8.25 KB)
📄 util-print.c(23.75 KB)
📄 vfprintf.c(1.62 KB)

Editing: print-zephyr.c

/*
 * Decode and print Zephyr packets.
 *
 *	http://web.mit.edu/zephyr/doc/protocol
 *
 * Copyright (c) 2001 Nickolai Zeldovich <kolya@MIT.EDU>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that: (1) source code
 * distributions retain the above copyright notice and this paragraph
 * in its entirety, and (2) distributions including binary code include
 * the above copyright notice and this paragraph in its entirety in
 * the documentation or other materials provided with the distribution.
 * The name of the author(s) may not be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.  THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */

/* \summary: Zephyr printer */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <netdissect-stdinc.h>

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "netdissect.h"

struct z_packet {
    const char *version;
    int numfields;
    int kind;
    const char *uid;
    int port;
    int auth;
    int authlen;
    const char *authdata;
    const char *class;
    const char *inst;
    const char *opcode;
    const char *sender;
    const char *recipient;
    const char *format;
    int cksum;
    int multi;
    const char *multi_uid;
    /* Other fields follow here.. */
};

enum z_packet_type {
    Z_PACKET_UNSAFE = 0,
    Z_PACKET_UNACKED,
    Z_PACKET_ACKED,
    Z_PACKET_HMACK,
    Z_PACKET_HMCTL,
    Z_PACKET_SERVACK,
    Z_PACKET_SERVNAK,
    Z_PACKET_CLIENTACK,
    Z_PACKET_STAT
};

static const struct tok z_types[] = {
    { Z_PACKET_UNSAFE,		"unsafe" },
    { Z_PACKET_UNACKED,		"unacked" },
    { Z_PACKET_ACKED,		"acked" },
    { Z_PACKET_HMACK,		"hm-ack" },
    { Z_PACKET_HMCTL,		"hm-ctl" },
    { Z_PACKET_SERVACK,		"serv-ack" },
    { Z_PACKET_SERVNAK,		"serv-nak" },
    { Z_PACKET_CLIENTACK,	"client-ack" },
    { Z_PACKET_STAT,		"stat" },
    { 0,			NULL }
};

static char z_buf[256];

static const char *
parse_field(netdissect_options *ndo, const char **pptr, int *len, int *truncated)
{
    const char *s;

/* Start of string */
    s = *pptr;
    /* Scan for the NUL terminator */
    for (;;) {
	if (*len == 0) {
	    /* Ran out of packet data without finding it */
	    return NULL;
	}
	if (!ND_TTEST(**pptr)) {
	    /* Ran out of captured data without finding it */
	    *truncated = 1;
	    return NULL;
	}
	if (**pptr == '\0') {
	    /* Found it */
	    break;
	}
	/* Keep scanning */
	(*pptr)++;
	(*len)--;
    }
    /* Skip the NUL terminator */
    (*pptr)++;
    (*len)--;
    return s;
}

static const char *
z_triple(const char *class, const char *inst, const char *recipient)
{
    if (!*recipient)
	recipient = "*";
    snprintf(z_buf, sizeof(z_buf), "<%s,%s,%s>", class, inst, recipient);
    z_buf[sizeof(z_buf)-1] = '\0';
    return z_buf;
}

static const char *
str_to_lower(const char *string)
{
    char *zb_string;

strncpy(z_buf, string, sizeof(z_buf));
    z_buf[sizeof(z_buf)-1] = '\0';

zb_string = z_buf;
    while (*zb_string) {
	*zb_string = tolower((unsigned char)(*zb_string));
	zb_string++;
    }

return z_buf;
}

void
zephyr_print(netdissect_options *ndo, const u_char *cp, int length)
{
    struct z_packet z;
    const char *parse = (const char *) cp;
    int parselen = length;
    const char *s;
    int lose = 0;
    int truncated = 0;

/* squelch compiler warnings */

z.kind = 0;
    z.class = 0;
    z.inst = 0;
    z.opcode = 0;
    z.sender = 0;
    z.recipient = 0;

#define PARSE_STRING						\
	s = parse_field(ndo, &parse, &parselen, &truncated);	\
	if (truncated) goto trunc;				\
	if (!s) lose = 1;

#define PARSE_FIELD_INT(field)			\
	PARSE_STRING				\
	if (!lose) field = strtol(s, 0, 16);

#define PARSE_FIELD_STR(field)			\
	PARSE_STRING				\
	if (!lose) field = s;

PARSE_FIELD_STR(z.version);
    if (lose) return;
    if (strncmp(z.version, "ZEPH", 4))
	return;

PARSE_FIELD_INT(z.numfields);
    PARSE_FIELD_INT(z.kind);
    PARSE_FIELD_STR(z.uid);
    PARSE_FIELD_INT(z.port);
    PARSE_FIELD_INT(z.auth);
    PARSE_FIELD_INT(z.authlen);
    PARSE_FIELD_STR(z.authdata);
    PARSE_FIELD_STR(z.class);
    PARSE_FIELD_STR(z.inst);
    PARSE_FIELD_STR(z.opcode);
    PARSE_FIELD_STR(z.sender);
    PARSE_FIELD_STR(z.recipient);
    PARSE_FIELD_STR(z.format);
    PARSE_FIELD_INT(z.cksum);
    PARSE_FIELD_INT(z.multi);
    PARSE_FIELD_STR(z.multi_uid);

if (lose)
        goto trunc;

ND_PRINT((ndo, " zephyr"));
    if (strncmp(z.version+4, "0.2", 3)) {
	ND_PRINT((ndo, " v%s", z.version+4));
	return;
    }

ND_PRINT((ndo, " %s", tok2str(z_types, "type %d", z.kind)));
    if (z.kind == Z_PACKET_SERVACK) {
	/* Initialization to silence warnings */
	const char *ackdata = NULL;
	PARSE_FIELD_STR(ackdata);
	if (!lose && strcmp(ackdata, "SENT"))
	    ND_PRINT((ndo, "/%s", str_to_lower(ackdata)));
    }
    if (*z.sender) ND_PRINT((ndo, " %s", z.sender));

if (!strcmp(z.class, "USER_LOCATE")) {
	if (!strcmp(z.opcode, "USER_HIDE"))
	    ND_PRINT((ndo, " hide"));
	else if (!strcmp(z.opcode, "USER_UNHIDE"))
	    ND_PRINT((ndo, " unhide"));
	else
	    ND_PRINT((ndo, " locate %s", z.inst));
	return;
    }

if (!strcmp(z.class, "ZEPHYR_ADMIN")) {
	ND_PRINT((ndo, " zephyr-admin %s", str_to_lower(z.opcode)));
	return;
    }

if (!strcmp(z.class, "ZEPHYR_CTL")) {
	if (!strcmp(z.inst, "CLIENT")) {
	    if (!strcmp(z.opcode, "SUBSCRIBE") ||
		!strcmp(z.opcode, "SUBSCRIBE_NODEFS") ||
		!strcmp(z.opcode, "UNSUBSCRIBE")) {

ND_PRINT((ndo, " %ssub%s", strcmp(z.opcode, "SUBSCRIBE") ? "un" : "",
				   strcmp(z.opcode, "SUBSCRIBE_NODEFS") ? "" :
								   "-nodefs"));
		if (z.kind != Z_PACKET_SERVACK) {
		    /* Initialization to silence warnings */
		    const char *c = NULL, *i = NULL, *r = NULL;
		    PARSE_FIELD_STR(c);
		    PARSE_FIELD_STR(i);
		    PARSE_FIELD_STR(r);
		    if (!lose) ND_PRINT((ndo, " %s", z_triple(c, i, r)));
		}
		return;
	    }

if (!strcmp(z.opcode, "GIMME")) {
		ND_PRINT((ndo, " ret"));
		return;
	    }

if (!strcmp(z.opcode, "GIMMEDEFS")) {
		ND_PRINT((ndo, " gimme-defs"));
		return;
	    }

if (!strcmp(z.opcode, "CLEARSUB")) {
		ND_PRINT((ndo, " clear-subs"));
		return;
	    }

ND_PRINT((ndo, " %s", str_to_lower(z.opcode)));
	    return;
	}

if (!strcmp(z.inst, "HM")) {
	    ND_PRINT((ndo, " %s", str_to_lower(z.opcode)));
	    return;
	}

if (!strcmp(z.inst, "REALM")) {
	    if (!strcmp(z.opcode, "ADD_SUBSCRIBE"))
		ND_PRINT((ndo, " realm add-subs"));
	    if (!strcmp(z.opcode, "REQ_SUBSCRIBE"))
		ND_PRINT((ndo, " realm req-subs"));
	    if (!strcmp(z.opcode, "RLM_SUBSCRIBE"))
		ND_PRINT((ndo, " realm rlm-sub"));
	    if (!strcmp(z.opcode, "RLM_UNSUBSCRIBE"))
		ND_PRINT((ndo, " realm rlm-unsub"));
	    return;
	}
    }

if (!strcmp(z.class, "HM_CTL")) {
	ND_PRINT((ndo, " hm_ctl %s", str_to_lower(z.inst)));
	ND_PRINT((ndo, " %s", str_to_lower(z.opcode)));
	return;
    }

if (!strcmp(z.class, "HM_STAT")) {
	if (!strcmp(z.inst, "HMST_CLIENT") && !strcmp(z.opcode, "GIMMESTATS")) {
	    ND_PRINT((ndo, " get-client-stats"));
	    return;
	}
    }

if (!strcmp(z.class, "WG_CTL")) {
	ND_PRINT((ndo, " wg_ctl %s", str_to_lower(z.inst)));
	ND_PRINT((ndo, " %s", str_to_lower(z.opcode)));
	return;
    }

if (!strcmp(z.class, "LOGIN")) {
	if (!strcmp(z.opcode, "USER_FLUSH")) {
	    ND_PRINT((ndo, " flush_locs"));
	    return;
	}

if (!strcmp(z.opcode, "NONE") ||
	    !strcmp(z.opcode, "OPSTAFF") ||
	    !strcmp(z.opcode, "REALM-VISIBLE") ||
	    !strcmp(z.opcode, "REALM-ANNOUNCED") ||
	    !strcmp(z.opcode, "NET-VISIBLE") ||
	    !strcmp(z.opcode, "NET-ANNOUNCED")) {
	    ND_PRINT((ndo, " set-exposure %s", str_to_lower(z.opcode)));
	    return;
	}
    }

if (!*z.recipient)
	z.recipient = "*";

ND_PRINT((ndo, " to %s", z_triple(z.class, z.inst, z.recipient)));
    if (*z.opcode)
	ND_PRINT((ndo, " op %s", z.opcode));
    return;

trunc:
    ND_PRINT((ndo, " [|zephyr] (%d)", length));
    return;
}

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Editing: print-zephyr.c

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