print-juniper.c

TCPDUMP的C语言源代码,是在数据链路层的应用

/*     NetBSD: print-juniper.c,v 1.2 2007/07/24 11:53:45 drochner Exp        */

/* 
 * 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 ([e-mail])
 */

#ifndef lint
static const char rcsid[] _U_ =
    "@(#) $Header: /tcpdump/master/tcpdump/print-juniper.c,v 1.34 2007-08-29 02:31:44 mcr Exp $ (LBL)";
#else
__RCSID("NetBSD: print-juniper.c,v 1.3 2007/07/25 06:31:32 dogcow Exp ");
#endif

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

#include <tcpdump-stdinc.h>

#include <pcap.h>
#include <stdio.h>

#include "interface.h"
#include "addrtoname.h"
#include "extract.h"
#include "ppp.h"
#include "llc.h"
#include "nlpid.h"
#include "ethertype.h"
#include "atm.h"

#define JUNIPER_BPF_OUT           0       /* Outgoing packet */
#define JUNIPER_BPF_IN            1       /* Incoming packet */
#define JUNIPER_BPF_PKT_IN        0x1     /* Incoming packet */
#define JUNIPER_BPF_NO_L2         0x2     /* L2 header stripped */
#define JUNIPER_BPF_IIF           0x4     /* IIF is valid */
#define JUNIPER_BPF_FILTER        0x40    /* BPF filtering is supported */
#define JUNIPER_BPF_EXT           0x80    /* extensions present */
#define JUNIPER_MGC_NUMBER        0x4d4743 /* = "MGC" */

#define JUNIPER_LSQ_COOKIE_RE         (1 << 3)
#define JUNIPER_LSQ_COOKIE_DIR        (1 << 2)
#define JUNIPER_LSQ_L3_PROTO_SHIFT     4
#define JUNIPER_LSQ_L3_PROTO_MASK     (0x17 << JUNIPER_LSQ_L3_PROTO_SHIFT)
#define JUNIPER_LSQ_L3_PROTO_IPV4     (0 << JUNIPER_LSQ_L3_PROTO_SHIFT)
#define JUNIPER_LSQ_L3_PROTO_IPV6     (1 << JUNIPER_LSQ_L3_PROTO_SHIFT)
#define JUNIPER_LSQ_L3_PROTO_MPLS     (2 << JUNIPER_LSQ_L3_PROTO_SHIFT)
#define JUNIPER_LSQ_L3_PROTO_ISO      (3 << JUNIPER_LSQ_L3_PROTO_SHIFT)
#define AS_PIC_COOKIE_LEN 8

#define JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE 1
#define JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE 2
#define JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE 3
#define JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE 4
#define JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE 5

static struct tok juniper_ipsec_type_values[] = {
    { JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE, "ESP ENCR-AUTH" },
    { JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE, "ESP ENCR-AH AUTH" },
    { JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE, "ESP AUTH" },
    { JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE, "AH AUTH" },
    { JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE, "ESP ENCR" },
    { 0, NULL}
};

static struct tok juniper_direction_values[] = {
    { JUNIPER_BPF_IN,  "In"},
    { JUNIPER_BPF_OUT, "Out"},
    { 0, NULL}
};

/* codepoints for encoding extensions to a .pcap file */
enum {
    JUNIPER_EXT_TLV_IFD_IDX = 1,
    JUNIPER_EXT_TLV_IFD_NAME = 2,
    JUNIPER_EXT_TLV_IFD_MEDIATYPE = 3,
    JUNIPER_EXT_TLV_IFL_IDX = 4,
    JUNIPER_EXT_TLV_IFL_UNIT = 5,
    JUNIPER_EXT_TLV_IFL_ENCAPS = 6, 
    JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE = 7,  
    JUNIPER_EXT_TLV_TTP_IFL_ENCAPS = 8
};

/* 1 byte type and 1-byte length */
#define JUNIPER_EXT_TLV_OVERHEAD 2

struct tok jnx_ext_tlv_values[] = {
    { JUNIPER_EXT_TLV_IFD_IDX, "Device Interface Index" },
    { JUNIPER_EXT_TLV_IFD_NAME,"Device Interface Name" },
    { JUNIPER_EXT_TLV_IFD_MEDIATYPE, "Device Media Type" },
    { JUNIPER_EXT_TLV_IFL_IDX, "Logical Interface Index" },
    { JUNIPER_EXT_TLV_IFL_UNIT,"Logical Unit Number" },
    { JUNIPER_EXT_TLV_IFL_ENCAPS, "Logical Interface Encapsulation" },
    { JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE, "TTP derived Device Media Type" },
    { JUNIPER_EXT_TLV_TTP_IFL_ENCAPS, "TTP derived Logical Interface Encapsulation" },
    { 0, NULL }
};

struct tok jnx_flag_values[] = {
    { JUNIPER_BPF_EXT, "Ext" },
    { JUNIPER_BPF_FILTER, "Filter" },
    { JUNIPER_BPF_IIF, "IIF" },
    { JUNIPER_BPF_NO_L2, "no-L2" },
    { JUNIPER_BPF_PKT_IN, "In" },
    { 0, NULL }
};

#define JUNIPER_IFML_ETHER              1
#define JUNIPER_IFML_FDDI               2
#define JUNIPER_IFML_TOKENRING          3
#define JUNIPER_IFML_PPP                4
#define JUNIPER_IFML_FRAMERELAY         5
#define JUNIPER_IFML_CISCOHDLC          6
#define JUNIPER_IFML_SMDSDXI            7
#define JUNIPER_IFML_ATMPVC             8
#define JUNIPER_IFML_PPP_CCC            9
#define JUNIPER_IFML_FRAMERELAY_CCC     10
#define JUNIPER_IFML_IPIP               11
#define JUNIPER_IFML_GRE                12
#define JUNIPER_IFML_PIM                13
#define JUNIPER_IFML_PIMD               14
#define JUNIPER_IFML_CISCOHDLC_CCC      15
#define JUNIPER_IFML_VLAN_CCC           16
#define JUNIPER_IFML_MLPPP              17
#define JUNIPER_IFML_MLFR               18
#define JUNIPER_IFML_ML                 19
#define JUNIPER_IFML_LSI                20
#define JUNIPER_IFML_DFE                21
#define JUNIPER_IFML_ATM_CELLRELAY_CCC  22
#define JUNIPER_IFML_CRYPTO             23
#define JUNIPER_IFML_GGSN               24
#define JUNIPER_IFML_LSI_PPP            25
#define JUNIPER_IFML_LSI_CISCOHDLC      26
#define JUNIPER_IFML_PPP_TCC            27
#define JUNIPER_IFML_FRAMERELAY_TCC     28
#define JUNIPER_IFML_CISCOHDLC_TCC      29
#define JUNIPER_IFML_ETHERNET_CCC       30
#define JUNIPER_IFML_VT                 31
#define JUNIPER_IFML_EXTENDED_VLAN_CCC  32
#define JUNIPER_IFML_ETHER_OVER_ATM     33
#define JUNIPER_IFML_MONITOR            34
#define JUNIPER_IFML_ETHERNET_TCC       35
#define JUNIPER_IFML_VLAN_TCC           36
#define JUNIPER_IFML_EXTENDED_VLAN_TCC  37
#define JUNIPER_IFML_CONTROLLER         38
#define JUNIPER_IFML_MFR                39
#define JUNIPER_IFML_LS                 40
#define JUNIPER_IFML_ETHERNET_VPLS      41
#define JUNIPER_IFML_ETHERNET_VLAN_VPLS 42
#define JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS 43
#define JUNIPER_IFML_LT                 44
#define JUNIPER_IFML_SERVICES           45
#define JUNIPER_IFML_ETHER_VPLS_OVER_ATM 46
#define JUNIPER_IFML_FR_PORT_CCC        47
#define JUNIPER_IFML_FRAMERELAY_EXT_CCC 48
#define JUNIPER_IFML_FRAMERELAY_EXT_TCC 49
#define JUNIPER_IFML_FRAMERELAY_FLEX    50
#define JUNIPER_IFML_GGSNI              51
#define JUNIPER_IFML_ETHERNET_FLEX      52
#define JUNIPER_IFML_COLLECTOR          53
#define JUNIPER_IFML_AGGREGATOR         54
#define JUNIPER_IFML_LAPD               55
#define JUNIPER_IFML_PPPOE              56
#define JUNIPER_IFML_PPP_SUBORDINATE    57
#define JUNIPER_IFML_CISCOHDLC_SUBORDINATE  58
#define JUNIPER_IFML_DFC                59
#define JUNIPER_IFML_PICPEER            60

struct tok juniper_ifmt_values[] = {
    { JUNIPER_IFML_ETHER, "Ethernet" },
    { JUNIPER_IFML_FDDI, "FDDI" },
    { JUNIPER_IFML_TOKENRING, "Token-Ring" },
    { JUNIPER_IFML_PPP, "PPP" },
    { JUNIPER_IFML_PPP_SUBORDINATE, "PPP-Subordinate" },
    { JUNIPER_IFML_FRAMERELAY, "Frame-Relay" },
    { JUNIPER_IFML_CISCOHDLC, "Cisco-HDLC" },
    { JUNIPER_IFML_SMDSDXI, "SMDS-DXI" },
    { JUNIPER_IFML_ATMPVC, "ATM-PVC" },
    { JUNIPER_IFML_PPP_CCC, "PPP-CCC" },
    { JUNIPER_IFML_FRAMERELAY_CCC, "Frame-Relay-CCC" },
    { JUNIPER_IFML_FRAMERELAY_EXT_CCC, "Extended FR-CCC" },
    { JUNIPER_IFML_IPIP, "IP-over-IP" },
    { JUNIPER_IFML_GRE, "GRE" },
    { JUNIPER_IFML_PIM, "PIM-Encapsulator" },
    { JUNIPER_IFML_PIMD, "PIM-Decapsulator" },
    { JUNIPER_IFML_CISCOHDLC_CCC, "Cisco-HDLC-CCC" },
    { JUNIPER_IFML_VLAN_CCC, "VLAN-CCC" },
    { JUNIPER_IFML_EXTENDED_VLAN_CCC, "Extended-VLAN-CCC" },
    { JUNIPER_IFML_MLPPP, "Multilink-PPP" },
    { JUNIPER_IFML_MLFR, "Multilink-FR" },
    { JUNIPER_IFML_MFR, "Multilink-FR-UNI-NNI" },
    { JUNIPER_IFML_ML, "Multilink" },
    { JUNIPER_IFML_LS, "LinkService" },
    { JUNIPER_IFML_LSI, "LSI" },
    { JUNIPER_IFML_ATM_CELLRELAY_CCC, "ATM-CCC-Cell-Relay" },
    { JUNIPER_IFML_CRYPTO, "IPSEC-over-IP" },
    { JUNIPER_IFML_GGSN, "GGSN" },
    { JUNIPER_IFML_PPP_TCC, "PPP-TCC" },
    { JUNIPER_IFML_FRAMERELAY_TCC, "Frame-Relay-TCC" },
    { JUNIPER_IFML_FRAMERELAY_EXT_TCC, "Extended FR-TCC" },
    { JUNIPER_IFML_CISCOHDLC_TCC, "Cisco-HDLC-TCC" },
    { JUNIPER_IFML_ETHERNET_CCC, "Ethernet-CCC" },
    { JUNIPER_IFML_VT, "VPN-Loopback-tunnel" },
    { JUNIPER_IFML_ETHER_OVER_ATM, "Ethernet-over-ATM" },
    { JUNIPER_IFML_ETHER_VPLS_OVER_ATM, "Ethernet-VPLS-over-ATM" },
    { JUNIPER_IFML_MONITOR, "Monitor" },
    { JUNIPER_IFML_ETHERNET_TCC, "Ethernet-TCC" },
    { JUNIPER_IFML_VLAN_TCC, "VLAN-TCC" },
    { JUNIPER_IFML_EXTENDED_VLAN_TCC, "Extended-VLAN-TCC" },
    { JUNIPER_IFML_CONTROLLER, "Controller" },
    { JUNIPER_IFML_ETHERNET_VPLS, "VPLS" },
    { JUNIPER_IFML_ETHERNET_VLAN_VPLS, "VLAN-VPLS" },
    { JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS, "Extended-VLAN-VPLS" },
    { JUNIPER_IFML_LT, "Logical-tunnel" },
    { JUNIPER_IFML_SERVICES, "General-Services" },
    { JUNIPER_IFML_PPPOE, "PPPoE" },
    { JUNIPER_IFML_ETHERNET_FLEX, "Flexible-Ethernet-Services" },
    { JUNIPER_IFML_FRAMERELAY_FLEX, "Flexible-FrameRelay" },
    { JUNIPER_IFML_COLLECTOR, "Flow-collection" },
    { JUNIPER_IFML_PICPEER, "PIC Peer" },
    { JUNIPER_IFML_DFC, "Dynamic-Flow-Capture" },
    {0,                    NULL}
};

#define JUNIPER_IFLE_ATM_SNAP           2
#define JUNIPER_IFLE_ATM_NLPID          3
#define JUNIPER_IFLE_ATM_VCMUX          4
#define JUNIPER_IFLE_ATM_LLC            5
#define JUNIPER_IFLE_ATM_PPP_VCMUX      6
#define JUNIPER_IFLE_ATM_PPP_LLC        7
#define JUNIPER_IFLE_ATM_PPP_FUNI       8
#define JUNIPER_IFLE_ATM_CCC            9
#define JUNIPER_IFLE_FR_NLPID           10
#define JUNIPER_IFLE_FR_SNAP            11
#define JUNIPER_IFLE_FR_PPP             12
#define JUNIPER_IFLE_FR_CCC             13
#define JUNIPER_IFLE_ENET2              14
#define JUNIPER_IFLE_IEEE8023_SNAP      15
#define JUNIPER_IFLE_IEEE8023_LLC       16
#define JUNIPER_IFLE_PPP                17
#define JUNIPER_IFLE_CISCOHDLC          18
#define JUNIPER_IFLE_PPP_CCC            19
#define JUNIPER_IFLE_IPIP_NULL          20
#define JUNIPER_IFLE_PIM_NULL           21
#define JUNIPER_IFLE_GRE_NULL           22
#define JUNIPER_IFLE_GRE_PPP            23
#define JUNIPER_IFLE_PIMD_DECAPS        24
#define JUNIPER_IFLE_CISCOHDLC_CCC      25
#define JUNIPER_IFLE_ATM_CISCO_NLPID    26
#define JUNIPER_IFLE_VLAN_CCC           27
#define JUNIPER_IFLE_MLPPP              28
#define JUNIPER_IFLE_MLFR               29
#define JUNIPER_IFLE_LSI_NULL           30
#define JUNIPER_IFLE_AGGREGATE_UNUSED   31
#define JUNIPER_IFLE_ATM_CELLRELAY_CCC  32
#define JUNIPER_IFLE_CRYPTO             33
#define JUNIPER_IFLE_GGSN               34
#define JUNIPER_IFLE_ATM_TCC            35
#define JUNIPER_IFLE_FR_TCC             36
#define JUNIPER_IFLE_PPP_TCC            37
#define JUNIPER_IFLE_CISCOHDLC_TCC      38
#define JUNIPER_IFLE_ETHERNET_CCC       39
#define JUNIPER_IFLE_VT                 40
#define JUNIPER_IFLE_ATM_EOA_LLC        41
#define JUNIPER_IFLE_EXTENDED_VLAN_CCC          42
#define JUNIPER_IFLE_ATM_SNAP_TCC       43
#define JUNIPER_IFLE_MONITOR            44
#define JUNIPER_IFLE_ETHERNET_TCC       45
#define JUNIPER_IFLE_VLAN_TCC           46
#define JUNIPER_IFLE_EXTENDED_VLAN_TCC  47
#define JUNIPER_IFLE_MFR                48
#define JUNIPER_IFLE_ETHERNET_VPLS      49
#define JUNIPER_IFLE_ETHERNET_VLAN_VPLS 50
#define JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS 51
#define JUNIPER_IFLE_SERVICES           52
#define JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC                53
#define JUNIPER_IFLE_FR_PORT_CCC        54
#define JUNIPER_IFLE_ATM_MLPPP_LLC      55
#define JUNIPER_IFLE_ATM_EOA_CCC        56
#define JUNIPER_IFLE_LT_VLAN            57
#define JUNIPER_IFLE_COLLECTOR          58
#define JUNIPER_IFLE_AGGREGATOR         59
#define JUNIPER_IFLE_LAPD               60
#define JUNIPER_IFLE_ATM_PPPOE_LLC          61
#define JUNIPER_IFLE_ETHERNET_PPPOE         62
#define JUNIPER_IFLE_PPPOE                  63
#define JUNIPER_IFLE_PPP_SUBORDINATE        64
#define JUNIPER_IFLE_CISCOHDLC_SUBORDINATE  65
#define JUNIPER_IFLE_DFC                    66
#define JUNIPER_IFLE_PICPEER                67

struct tok juniper_ifle_values[] = {
    { JUNIPER_IFLE_AGGREGATOR, "Aggregator" },
    { JUNIPER_IFLE_ATM_CCC, "CCC over ATM" },
    { JUNIPER_IFLE_ATM_CELLRELAY_CCC, "ATM CCC Cell Relay" },
    { JUNIPER_IFLE_ATM_CISCO_NLPID, "CISCO compatible NLPID" },
    { JUNIPER_IFLE_ATM_EOA_CCC, "Ethernet over ATM CCC" },
    { JUNIPER_IFLE_ATM_EOA_LLC, "Ethernet over ATM LLC" },
    { JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC, "Ethernet VPLS over ATM LLC" },
    { JUNIPER_IFLE_ATM_LLC, "ATM LLC" },
    { JUNIPER_IFLE_ATM_MLPPP_LLC, "MLPPP over ATM LLC" },
    { JUNIPER_IFLE_ATM_NLPID, "ATM NLPID" },
    { JUNIPER_IFLE_ATM_PPPOE_LLC, "PPPoE over ATM LLC" },
    { JUNIPER_IFLE_ATM_PPP_FUNI, "PPP over FUNI" },
    { JUNIPER_IFLE_ATM_PPP_LLC, "PPP over ATM LLC" },
    { JUNIPER_IFLE_ATM_PPP_VCMUX, "PPP over ATM VCMUX" },
    { JUNIPER_IFLE_ATM_SNAP, "ATM SNAP" },
    { JUNIPER_IFLE_ATM_SNAP_TCC, "ATM SNAP TCC" },
    { JUNIPER_IFLE_ATM_TCC, "ATM VCMUX TCC" },
    { JUNIPER_IFLE_ATM_VCMUX, "ATM VCMUX" },
    { JUNIPER_IFLE_CISCOHDLC, "C-HDLC" },
    { JUNIPER_IFLE_CISCOHDLC_CCC, "C-HDLC CCC" },
    { JUNIPER_IFLE_CISCOHDLC_SUBORDINATE, "C-HDLC via dialer" },
    { JUNIPER_IFLE_CISCOHDLC_TCC, "C-HDLC TCC" },
    { JUNIPER_IFLE_COLLECTOR, "Collector" },
    { JUNIPER_IFLE_CRYPTO, "Crypto" },
    { JUNIPER_IFLE_ENET2, "Ethernet" },
    { JUNIPER_IFLE_ETHERNET_CCC, "Ethernet CCC" },
    { JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS, "Extended VLAN VPLS" },
    { JUNIPER_IFLE_ETHERNET_PPPOE, "PPPoE over Ethernet" },
    { JUNIPER_IFLE_ETHERNET_TCC, "Ethernet TCC" },
    { JUNIPER_IFLE_ETHERNET_VLAN_VPLS, "VLAN VPLS" },
    { JUNIPER_IFLE_ETHERNET_VPLS, "VPLS" },
    { JUNIPER_IFLE_EXTENDED_VLAN_CCC, "Extended VLAN CCC" },
    { JUNIPER_IFLE_EXTENDED_VLAN_TCC, "Extended VLAN TCC" },
    { JUNIPER_IFLE_FR_CCC, "FR CCC" },
    { JUNIPER_IFLE_FR_NLPID, "FR NLPID" },
    { JUNIPER_IFLE_FR_PORT_CCC, "FR CCC" },
    { JUNIPER_IFLE_FR_PPP, "FR PPP" },
    { JUNIPER_IFLE_FR_SNAP, "FR SNAP" },
    { JUNIPER_IFLE_FR_TCC, "FR TCC" },
    { JUNIPER_IFLE_GGSN, "GGSN" },
    { JUNIPER_IFLE_GRE_NULL, "GRE NULL" },
    { JUNIPER_IFLE_GRE_PPP, "PPP over GRE" },
    { JUNIPER_IFLE_IPIP_NULL, "IPIP" },
    { JUNIPER_IFLE_LAPD, "LAPD" },
    { JUNIPER_IFLE_LSI_NULL, "LSI Null" },
    { JUNIPER_IFLE_LT_VLAN, "LT VLAN" },
    { JUNIPER_IFLE_MFR, "MFR" },
    { JUNIPER_IFLE_MLFR, "MLFR" },
    { JUNIPER_IFLE_MLPPP, "MLPPP" },
    { JUNIPER_IFLE_MONITOR, "Monitor" },
    { JUNIPER_IFLE_PIMD_DECAPS, "PIMd" },
    { JUNIPER_IFLE_PIM_NULL, "PIM Null" },
    { JUNIPER_IFLE_PPP, "PPP" },
    { JUNIPER_IFLE_PPPOE, "PPPoE" },
    { JUNIPER_IFLE_PPP_CCC, "PPP CCC" },
    { JUNIPER_IFLE_PPP_SUBORDINATE, "" },
    { JUNIPER_IFLE_PPP_TCC, "PPP TCC" },
    { JUNIPER_IFLE_SERVICES, "General Services" },
    { JUNIPER_IFLE_VLAN_CCC, "VLAN CCC" },
    { JUNIPER_IFLE_VLAN_TCC, "VLAN TCC" },
    { JUNIPER_IFLE_VT, "VT" },
    {0,                    NULL}