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print-juniper.c
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/* 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 ([email protected])
*/
/* \summary: DLT_JUNIPER_* printers */
#ifndef lint
#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 "netdissect-stdinc.h"
#include <string.h>
#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
#include "ppp.h"
#include "llc.h"
#include "nlpid.h"
#include "ethertype.h"
#include "atm.h"
/*
* If none of the Juniper DLT_s are defined, there's nothing to do.
*/
#if defined(DLT_JUNIPER_GGSN) || defined(DLT_JUNIPER_ES) || \
defined(DLT_JUNIPER_MONITOR) || defined(DLT_JUNIPER_SERVICES) || \
defined(DLT_JUNIPER_PPPOE) || defined(DLT_JUNIPER_ETHER) || \
defined(DLT_JUNIPER_PPP) || defined(DLT_JUNIPER_FRELAY) || \
defined(DLT_JUNIPER_CHDLC) || defined(DLT_JUNIPER_PPPOE_ATM) || \
defined(DLT_JUNIPER_MLPPP) || defined(DLT_JUNIPER_MFR) || \
defined(DLT_JUNIPER_MLFR) || defined(DLT_JUNIPER_ATM1) || \
defined(DLT_JUNIPER_ATM2)
#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
#ifdef DLT_JUNIPER_ES
static const 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}
};
#endif
static const 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 2U
static const 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 }
};
static const 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
static const 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
static const 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}
};
struct juniper_cookie_table_t {
uint32_t pictype; /* pic type */
uint8_t cookie_len; /* cookie len */
const char *s; /* pic name */
};
static const struct juniper_cookie_table_t juniper_cookie_table[] = {
#ifdef DLT_JUNIPER_ATM1
{ DLT_JUNIPER_ATM1, 4, "ATM1"},
#endif
#ifdef DLT_JUNIPER_ATM2
{ DLT_JUNIPER_ATM2, 8, "ATM2"},
#endif
#ifdef DLT_JUNIPER_MLPPP
{ DLT_JUNIPER_MLPPP, 2, "MLPPP"},
#endif
#ifdef DLT_JUNIPER_MLFR
{ DLT_JUNIPER_MLFR, 2, "MLFR"},
#endif
#ifdef DLT_JUNIPER_MFR
{ DLT_JUNIPER_MFR, 4, "MFR"},
#endif
#ifdef DLT_JUNIPER_PPPOE
{ DLT_JUNIPER_PPPOE, 0, "PPPoE"},
#endif
#ifdef DLT_JUNIPER_PPPOE_ATM
{ DLT_JUNIPER_PPPOE_ATM, 0, "PPPoE ATM"},
#endif
#ifdef DLT_JUNIPER_GGSN
{ DLT_JUNIPER_GGSN, 8, "GGSN"},
#endif
#ifdef DLT_JUNIPER_MONITOR
{ DLT_JUNIPER_MONITOR, 8, "MONITOR"},
#endif
#ifdef DLT_JUNIPER_SERVICES
{ DLT_JUNIPER_SERVICES, 8, "AS"},
#endif
#ifdef DLT_JUNIPER_ES
{ DLT_JUNIPER_ES, 0, "ES"},
#endif
{ 0, 0, NULL }
};
struct juniper_l2info_t {
uint32_t length;
uint32_t caplen;
uint32_t pictype;
uint8_t direction;
u_int header_len;
uint8_t cookie_len;
uint8_t cookie_type;
uint8_t cookie[8];
u_int bundle;
uint16_t proto;
uint8_t flags;
};
#define LS_COOKIE_ID 0x54
#define AS_COOKIE_ID 0x47
#define LS_MLFR_COOKIE_LEN 4
#define ML_MLFR_COOKIE_LEN 2
#define LS_MFR_COOKIE_LEN 6
#define ATM1_COOKIE_LEN 4
#define ATM2_COOKIE_LEN 8
#define ATM2_PKT_TYPE_MASK 0x70
#define ATM2_GAP_COUNT_MASK 0x3F
#define JUNIPER_PROTO_NULL 1
#define JUNIPER_PROTO_IPV4 2
#define JUNIPER_PROTO_IPV6 6
#define MFR_BE_MASK 0xc0
#ifdef DLT_JUNIPER_GGSN
static const struct tok juniper_protocol_values[] = {
{ JUNIPER_PROTO_NULL, "Null" },
{ JUNIPER_PROTO_IPV4, "IPv4" },
{ JUNIPER_PROTO_IPV6, "IPv6" },
{ 0, NULL}
};
#endif
static int ip_heuristic_guess(netdissect_options *, const u_char *, u_int);
#ifdef DLT_JUNIPER_ATM2
static int juniper_ppp_heuristic_guess(netdissect_options *, const u_char *, u_int);
#endif
static int juniper_parse_header(netdissect_options *, const u_char *, const struct pcap_pkthdr *, struct juniper_l2info_t *);
#ifdef DLT_JUNIPER_GGSN
void
juniper_ggsn_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
struct juniper_ggsn_header {
nd_uint8_t svc_id;
nd_uint8_t flags_len;
nd_uint8_t proto;
nd_uint8_t flags;
nd_uint16_t vlan_id;
nd_byte res[2];
};
const struct juniper_ggsn_header *gh;
uint8_t proto;
ndo->ndo_protocol = "juniper_ggsn";
l2info.pictype = DLT_JUNIPER_GGSN;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
gh = (struct juniper_ggsn_header *)&l2info.cookie;
ND_TCHECK_SIZE(gh);
proto = GET_U_1(gh->proto);
if (ndo->ndo_eflag) {
ND_PRINT("proto %s (%u), vlan %u: ",
tok2str(juniper_protocol_values,"Unknown",proto),
proto,
GET_BE_U_2(gh->vlan_id));
}
switch (proto) {
case JUNIPER_PROTO_IPV4:
ip_print(ndo, p, l2info.length);
break;
case JUNIPER_PROTO_IPV6:
ip6_print(ndo, p, l2info.length);
break;
default:
if (!ndo->ndo_eflag)
ND_PRINT("unknown GGSN proto (%u)", proto);
}
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
trunc:
nd_print_trunc(ndo);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_ES
void
juniper_es_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
struct juniper_ipsec_header {
nd_uint16_t sa_index;
nd_uint8_t ttl;
nd_uint8_t type;
nd_uint32_t spi;
nd_ipv4 src_ip;
nd_ipv4 dst_ip;
};
u_int rewrite_len,es_type_bundle;
const struct juniper_ipsec_header *ih;
ndo->ndo_protocol = "juniper_es";
l2info.pictype = DLT_JUNIPER_ES;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
ih = (const struct juniper_ipsec_header *)p;
ND_TCHECK_SIZE(ih);
switch (GET_U_1(ih->type)) {
case JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE:
case JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE:
rewrite_len = 0;
es_type_bundle = 1;
break;
case JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE:
case JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE:
case JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE:
rewrite_len = 16;
es_type_bundle = 0;
break;
default:
ND_PRINT("ES Invalid type %u, length %u",
GET_U_1(ih->type),
l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
l2info.length-=rewrite_len;
p+=rewrite_len;
if (ndo->ndo_eflag) {
if (!es_type_bundle) {
ND_PRINT("ES SA, index %u, ttl %u type %s (%u), spi %u, Tunnel %s > %s, length %u\n",
GET_BE_U_2(ih->sa_index),
GET_U_1(ih->ttl),
tok2str(juniper_ipsec_type_values,"Unknown",GET_U_1(ih->type)),
GET_U_1(ih->type),
GET_BE_U_4(ih->spi),
GET_IPADDR_STRING(ih->src_ip),
GET_IPADDR_STRING(ih->dst_ip),
l2info.length);
} else {
ND_PRINT("ES SA, index %u, ttl %u type %s (%u), length %u\n",
GET_BE_U_2(ih->sa_index),
GET_U_1(ih->ttl),
tok2str(juniper_ipsec_type_values,"Unknown",GET_U_1(ih->type)),
GET_U_1(ih->type),
l2info.length);
}
}
ip_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
trunc:
nd_print_trunc(ndo);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_MONITOR
void
juniper_monitor_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
struct juniper_monitor_header {
nd_uint8_t pkt_type;
nd_byte padding;
nd_uint16_t iif;
nd_uint32_t service_id;
};
const struct juniper_monitor_header *mh;
ndo->ndo_protocol = "juniper_monitor";
l2info.pictype = DLT_JUNIPER_MONITOR;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
mh = (const struct juniper_monitor_header *)p;
ND_TCHECK_SIZE(mh);
if (ndo->ndo_eflag)
ND_PRINT("service-id %u, iif %u, pkt-type %u: ",
GET_BE_U_4(mh->service_id),
GET_BE_U_2(mh->iif),
GET_U_1(mh->pkt_type));
/* no proto field - lets guess by first byte of IP header*/
ip_heuristic_guess (ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
trunc:
nd_print_trunc(ndo);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_SERVICES
void
juniper_services_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
struct juniper_services_header {
nd_uint8_t svc_id;
nd_uint8_t flags_len;
nd_uint16_t svc_set_id;
nd_byte pad;
nd_uint24_t dir_iif;
};
const struct juniper_services_header *sh;
ndo->ndo_protocol = "juniper_services";
l2info.pictype = DLT_JUNIPER_SERVICES;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
sh = (const struct juniper_services_header *)p;
ND_TCHECK_SIZE(sh);
if (ndo->ndo_eflag)
ND_PRINT("service-id %u flags 0x%02x service-set-id 0x%04x iif %u: ",
GET_U_1(sh->svc_id),
GET_U_1(sh->flags_len),
GET_BE_U_2(sh->svc_set_id),
GET_BE_U_3(sh->dir_iif));
/* no proto field - lets guess by first byte of IP header*/
ip_heuristic_guess (ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
trunc:
nd_print_trunc(ndo);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_PPPOE
void
juniper_pppoe_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_pppoe";
l2info.pictype = DLT_JUNIPER_PPPOE;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* this DLT contains nothing but raw ethernet frames */
ether_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL, FALSE);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_ETHER
void
juniper_ether_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_ether";
l2info.pictype = DLT_JUNIPER_ETHER;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* this DLT contains nothing but raw Ethernet frames */
ether_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL, TRUE);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_PPP
void
juniper_ppp_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_ppp";
l2info.pictype = DLT_JUNIPER_PPP;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* this DLT contains nothing but raw ppp frames */
ppp_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_FRELAY
void
juniper_frelay_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_frelay";
l2info.pictype = DLT_JUNIPER_FRELAY;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* this DLT contains nothing but raw frame-relay frames */
fr_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_CHDLC
void
juniper_chdlc_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_chdlc";
l2info.pictype = DLT_JUNIPER_CHDLC;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* this DLT contains nothing but raw c-hdlc frames */
chdlc_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_PPPOE_ATM
void
juniper_pppoe_atm_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
uint16_t extracted_ethertype;
ndo->ndo_protocol = "juniper_pppoe_atm";
l2info.pictype = DLT_JUNIPER_PPPOE_ATM;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
ND_TCHECK_2(p);
extracted_ethertype = GET_BE_U_2(p);
/* this DLT contains nothing but raw PPPoE frames,
* prepended with a type field*/
if (ethertype_print(ndo, extracted_ethertype,
p+ETHERTYPE_LEN,
l2info.length-ETHERTYPE_LEN,
l2info.caplen-ETHERTYPE_LEN,
NULL, NULL) == 0)
/* ether_type not known, probably it wasn't one */
ND_PRINT("unknown ethertype 0x%04x", extracted_ethertype);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
trunc:
nd_print_trunc(ndo);
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_MLPPP
void
juniper_mlppp_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_mlppp";
l2info.pictype = DLT_JUNIPER_MLPPP;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
/* suppress Bundle-ID if frame was captured on a child-link
* best indicator if the cookie looks like a proto */
if (ndo->ndo_eflag &&
/* use EXTRACT_, not GET_ (not packet buffer pointer) */
EXTRACT_BE_U_2(&l2info.cookie) != PPP_OSI &&
/* use EXTRACT_, not GET_ (not packet buffer pointer) */
EXTRACT_BE_U_2(&l2info.cookie) != (PPP_ADDRESS << 8 | PPP_CONTROL))
ND_PRINT("Bundle-ID %u: ", l2info.bundle);
p+=l2info.header_len;
/* first try the LSQ protos */
switch(l2info.proto) {
case JUNIPER_LSQ_L3_PROTO_IPV4:
/* IP traffic going to the RE would not have a cookie
* -> this must be incoming IS-IS over PPP
*/
if (l2info.cookie[4] == (JUNIPER_LSQ_COOKIE_RE|JUNIPER_LSQ_COOKIE_DIR))
ppp_print(ndo, p, l2info.length);
else
ip_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
case JUNIPER_LSQ_L3_PROTO_IPV6:
ip6_print(ndo, p,l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
case JUNIPER_LSQ_L3_PROTO_MPLS:
mpls_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
case JUNIPER_LSQ_L3_PROTO_ISO:
isoclns_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
default:
break;
}
/* zero length cookie ? */
/* use EXTRACT_, not GET_ (not packet buffer pointer) */
switch (EXTRACT_BE_U_2(&l2info.cookie)) {
case PPP_OSI:
ppp_print(ndo, p - 2, l2info.length + 2);
break;
case (PPP_ADDRESS << 8 | PPP_CONTROL): /* fall through */
default:
ppp_print(ndo, p, l2info.length);
break;
}
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_MFR
void
juniper_mfr_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_mfr";
memset(&l2info, 0, sizeof(l2info));
l2info.pictype = DLT_JUNIPER_MFR;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* child-link ? */
if (l2info.cookie_len == 0) {
mfr_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
/* first try the LSQ protos */
if (l2info.cookie_len == AS_PIC_COOKIE_LEN) {
switch(l2info.proto) {
case JUNIPER_LSQ_L3_PROTO_IPV4:
ip_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
case JUNIPER_LSQ_L3_PROTO_IPV6:
ip6_print(ndo, p,l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
case JUNIPER_LSQ_L3_PROTO_MPLS:
mpls_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
case JUNIPER_LSQ_L3_PROTO_ISO:
isoclns_print(ndo, p, l2info.length);
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
default:
break;
}
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
/* suppress Bundle-ID if frame was captured on a child-link */
/* use EXTRACT_, not GET_ (not packet buffer pointer) */
if (ndo->ndo_eflag && EXTRACT_BE_U_4(l2info.cookie) != 1)
ND_PRINT("Bundle-ID %u, ", l2info.bundle);
switch (l2info.proto) {
case (LLCSAP_ISONS<<8 | LLCSAP_ISONS):
isoclns_print(ndo, p + 1, l2info.length - 1);
break;
case (LLC_UI<<8 | NLPID_Q933):
case (LLC_UI<<8 | NLPID_IP):
case (LLC_UI<<8 | NLPID_IP6):
/* pass IP{4,6} to the OSI layer for proper link-layer printing */
isoclns_print(ndo, p - 1, l2info.length + 1);
break;
default:
ND_PRINT("unknown protocol 0x%04x, length %u", l2info.proto, l2info.length);
}
ndo->ndo_ll_hdr_len += l2info.header_len;
}
#endif
#ifdef DLT_JUNIPER_MLFR
void
juniper_mlfr_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
struct juniper_l2info_t l2info;
ndo->ndo_protocol = "juniper_mlfr";
l2info.pictype = DLT_JUNIPER_MLFR;
if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
ndo->ndo_ll_hdr_len += l2info.header_len;
return;
}
p+=l2info.header_len;
/* suppress Bundle-ID if frame was captured on a child-link */
/* use EXTRACT_, not GET_ (not packet buffer pointer) */
if (ndo->ndo_eflag && EXTRACT_BE_U_4(l2info.cookie) != 1)
ND_PRINT("Bundle-ID %u, ", l2info.bundle);