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📄 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-mpcp.c

/*
 * Copyright (c) 1998-2006 The TCPDUMP project
 *
 * 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.
 * 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.
 *
 * Original code by Hannes Gredler (hannes@gredler.at)
 */

/* \summary: IEEE 802.3ah Multi-Point Control Protocol (MPCP) printer */

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

#include <netdissect-stdinc.h>

#include "netdissect.h"
#include "extract.h"

#define MPCP_TIMESTAMP_LEN        4
#define MPCP_TIMESTAMP_DURATION_LEN 2

struct mpcp_common_header_t {
    uint8_t opcode[2];
    uint8_t timestamp[MPCP_TIMESTAMP_LEN];
};

#define	MPCP_OPCODE_PAUSE   0x0001
#define	MPCP_OPCODE_GATE    0x0002
#define	MPCP_OPCODE_REPORT  0x0003
#define	MPCP_OPCODE_REG_REQ 0x0004
#define	MPCP_OPCODE_REG     0x0005
#define	MPCP_OPCODE_REG_ACK 0x0006

static const struct tok mpcp_opcode_values[] = {
    { MPCP_OPCODE_PAUSE, "Pause" },
    { MPCP_OPCODE_GATE, "Gate" },
    { MPCP_OPCODE_REPORT, "Report" },
    { MPCP_OPCODE_REG_REQ, "Register Request" },
    { MPCP_OPCODE_REG, "Register" },
    { MPCP_OPCODE_REG_ACK, "Register ACK" },
    { 0, NULL}
};

#define MPCP_GRANT_NUMBER_LEN 1
#define	MPCP_GRANT_NUMBER_MASK 0x7
static const struct tok mpcp_grant_flag_values[] = {
    { 0x08, "Discovery" },
    { 0x10, "Force Grant #1" },
    { 0x20, "Force Grant #2" },
    { 0x40, "Force Grant #3" },
    { 0x80, "Force Grant #4" },
    { 0, NULL}
};

struct mpcp_grant_t {
    uint8_t starttime[MPCP_TIMESTAMP_LEN];
    uint8_t duration[MPCP_TIMESTAMP_DURATION_LEN];
};

struct mpcp_reg_req_t {
    uint8_t flags;
    uint8_t pending_grants;
};

static const struct tok mpcp_reg_req_flag_values[] = {
    { 1, "Register" },
    { 3, "De-Register" },
    { 0, NULL}
};

struct mpcp_reg_t {
    uint8_t assigned_port[2];
    uint8_t flags;
    uint8_t sync_time[MPCP_TIMESTAMP_DURATION_LEN];
    uint8_t echoed_pending_grants;
};

static const struct tok mpcp_reg_flag_values[] = {
    { 1, "Re-Register" },
    { 2, "De-Register" },
    { 3, "ACK" },
    { 4, "NACK" },
    { 0, NULL}
};

#define MPCP_REPORT_QUEUESETS_LEN    1
#define MPCP_REPORT_REPORTBITMAP_LEN 1
static const struct tok mpcp_report_bitmap_values[] = {
    { 0x01, "Q0" },
    { 0x02, "Q1" },
    { 0x04, "Q2" },
    { 0x08, "Q3" },
    { 0x10, "Q4" },
    { 0x20, "Q5" },
    { 0x40, "Q6" },
    { 0x80, "Q7" },
    { 0, NULL}
};

struct mpcp_reg_ack_t {
    uint8_t flags;
    uint8_t echoed_assigned_port[2];
    uint8_t echoed_sync_time[MPCP_TIMESTAMP_DURATION_LEN];
};

static const struct tok mpcp_reg_ack_flag_values[] = {
    { 0, "NACK" },
    { 1, "ACK" },
    { 0, NULL}
};

void
mpcp_print(netdissect_options *ndo, register const u_char *pptr, register u_int length)
{
    union {
        const struct mpcp_common_header_t *common_header;
        const struct mpcp_grant_t *grant;
        const struct mpcp_reg_req_t *reg_req;
        const struct mpcp_reg_t *reg;
        const struct mpcp_reg_ack_t *reg_ack;
    } mpcp;

const u_char *tptr;
    uint16_t opcode;
    uint8_t grant_numbers, grant;
    uint8_t queue_sets, queue_set, report_bitmap, report;

tptr=pptr;
    mpcp.common_header = (const struct mpcp_common_header_t *)pptr;

ND_TCHECK2(*tptr, sizeof(const struct mpcp_common_header_t));
    opcode = EXTRACT_16BITS(mpcp.common_header->opcode);
    ND_PRINT((ndo, "MPCP, Opcode %s", tok2str(mpcp_opcode_values, "Unknown (%u)", opcode)));
    if (opcode != MPCP_OPCODE_PAUSE) {
        ND_PRINT((ndo, ", Timestamp %u ticks", EXTRACT_32BITS(mpcp.common_header->timestamp)));
    }
    ND_PRINT((ndo, ", length %u", length));

if (!ndo->ndo_vflag)
        return;

tptr += sizeof(const struct mpcp_common_header_t);

switch (opcode) {
    case MPCP_OPCODE_PAUSE:
        break;

case MPCP_OPCODE_GATE:
        ND_TCHECK2(*tptr, MPCP_GRANT_NUMBER_LEN);
        grant_numbers = *tptr & MPCP_GRANT_NUMBER_MASK;
        ND_PRINT((ndo, "\n\tGrant Numbers %u, Flags [ %s ]",
               grant_numbers,
               bittok2str(mpcp_grant_flag_values,
                          "?",
                          *tptr &~ MPCP_GRANT_NUMBER_MASK)));
        tptr++;

for (grant = 1; grant <= grant_numbers; grant++) {
            ND_TCHECK2(*tptr, sizeof(const struct mpcp_grant_t));
            mpcp.grant = (const struct mpcp_grant_t *)tptr;
            ND_PRINT((ndo, "\n\tGrant #%u, Start-Time %u ticks, duration %u ticks",
                   grant,
                   EXTRACT_32BITS(mpcp.grant->starttime),
                   EXTRACT_16BITS(mpcp.grant->duration)));
            tptr += sizeof(const struct mpcp_grant_t);
        }

ND_TCHECK2(*tptr, MPCP_TIMESTAMP_DURATION_LEN);
        ND_PRINT((ndo, "\n\tSync-Time %u ticks", EXTRACT_16BITS(tptr)));
        break;

case MPCP_OPCODE_REPORT:
        ND_TCHECK2(*tptr, MPCP_REPORT_QUEUESETS_LEN);
        queue_sets = *tptr;
        tptr+=MPCP_REPORT_QUEUESETS_LEN;
        ND_PRINT((ndo, "\n\tTotal Queue-Sets %u", queue_sets));

for (queue_set = 1; queue_set < queue_sets; queue_set++) {
            ND_TCHECK2(*tptr, MPCP_REPORT_REPORTBITMAP_LEN);
            report_bitmap = *(tptr);
            ND_PRINT((ndo, "\n\t  Queue-Set #%u, Report-Bitmap [ %s ]",
                   queue_sets,
                   bittok2str(mpcp_report_bitmap_values, "Unknown", report_bitmap)));
            tptr++;

report=1;
            while (report_bitmap != 0) {
                if (report_bitmap & 1) {
                    ND_TCHECK2(*tptr, MPCP_TIMESTAMP_DURATION_LEN);
                    ND_PRINT((ndo, "\n\t    Q%u Report, Duration %u ticks",
                           report,
                           EXTRACT_16BITS(tptr)));
                    tptr+=MPCP_TIMESTAMP_DURATION_LEN;
                }
                report++;
                report_bitmap = report_bitmap >> 1;
            }
        }
        break;

case MPCP_OPCODE_REG_REQ:
        ND_TCHECK2(*tptr, sizeof(const struct mpcp_reg_req_t));
        mpcp.reg_req = (const struct mpcp_reg_req_t *)tptr;
        ND_PRINT((ndo, "\n\tFlags [ %s ], Pending-Grants %u",
               bittok2str(mpcp_reg_req_flag_values, "Reserved", mpcp.reg_req->flags),
               mpcp.reg_req->pending_grants));
        break;

case MPCP_OPCODE_REG:
        ND_TCHECK2(*tptr, sizeof(const struct mpcp_reg_t));
        mpcp.reg = (const struct mpcp_reg_t *)tptr;
        ND_PRINT((ndo, "\n\tAssigned-Port %u, Flags [ %s ]" \
               "\n\tSync-Time %u ticks, Echoed-Pending-Grants %u",
               EXTRACT_16BITS(mpcp.reg->assigned_port),
               bittok2str(mpcp_reg_flag_values, "Reserved", mpcp.reg->flags),
               EXTRACT_16BITS(mpcp.reg->sync_time),
               mpcp.reg->echoed_pending_grants));
        break;

case MPCP_OPCODE_REG_ACK:
        ND_TCHECK2(*tptr, sizeof(const struct mpcp_reg_ack_t));
        mpcp.reg_ack = (const struct mpcp_reg_ack_t *)tptr;
        ND_PRINT((ndo, "\n\tEchoed-Assigned-Port %u, Flags [ %s ]" \
               "\n\tEchoed-Sync-Time %u ticks",
               EXTRACT_16BITS(mpcp.reg_ack->echoed_assigned_port),
               bittok2str(mpcp_reg_ack_flag_values, "Reserved", mpcp.reg_ack->flags),
               EXTRACT_16BITS(mpcp.reg_ack->echoed_sync_time)));
        break;

default:
        /* unknown opcode - hexdump for now */
        print_unknown_data(ndo,pptr, "\n\t", length);
        break;
    }

return;

trunc:
    ND_PRINT((ndo, "\n\t[|MPCP]"));
}
/*
 * Local Variables:
 * c-style: whitesmith
 * c-basic-offset: 8
 * End:
 */

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Editing: print-mpcp.c

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