1457 lines
46 KiB
C
1457 lines
46 KiB
C
/* NetBSD: print-juniper.c,v 1.2 2007/07/24 11:53:45 drochner Exp */
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* Original code by Hannes Gredler (hannes@juniper.net)
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*/
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#ifndef lint
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/tcpdump/print-juniper.c,v 1.34 2007-08-29 02:31:44 mcr Exp $ (LBL)";
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#else
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__RCSID("NetBSD: print-juniper.c,v 1.3 2007/07/25 06:31:32 dogcow Exp ");
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#endif
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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 <tcpdump-stdinc.h>
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#include <pcap.h>
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#include <stdio.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "extract.h"
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#include "ppp.h"
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#include "llc.h"
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#include "nlpid.h"
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#include "ethertype.h"
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#include "atm.h"
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#define JUNIPER_BPF_OUT 0 /* Outgoing packet */
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#define JUNIPER_BPF_IN 1 /* Incoming packet */
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#define JUNIPER_BPF_PKT_IN 0x1 /* Incoming packet */
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#define JUNIPER_BPF_NO_L2 0x2 /* L2 header stripped */
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#define JUNIPER_BPF_IIF 0x4 /* IIF is valid */
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#define JUNIPER_BPF_FILTER 0x40 /* BPF filtering is supported */
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#define JUNIPER_BPF_EXT 0x80 /* extensions present */
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#define JUNIPER_MGC_NUMBER 0x4d4743 /* = "MGC" */
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#define JUNIPER_LSQ_COOKIE_RE (1 << 3)
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#define JUNIPER_LSQ_COOKIE_DIR (1 << 2)
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#define JUNIPER_LSQ_L3_PROTO_SHIFT 4
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#define JUNIPER_LSQ_L3_PROTO_MASK (0x17 << JUNIPER_LSQ_L3_PROTO_SHIFT)
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#define JUNIPER_LSQ_L3_PROTO_IPV4 (0 << JUNIPER_LSQ_L3_PROTO_SHIFT)
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#define JUNIPER_LSQ_L3_PROTO_IPV6 (1 << JUNIPER_LSQ_L3_PROTO_SHIFT)
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#define JUNIPER_LSQ_L3_PROTO_MPLS (2 << JUNIPER_LSQ_L3_PROTO_SHIFT)
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#define JUNIPER_LSQ_L3_PROTO_ISO (3 << JUNIPER_LSQ_L3_PROTO_SHIFT)
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#define AS_PIC_COOKIE_LEN 8
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#define JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE 1
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#define JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE 2
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#define JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE 3
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#define JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE 4
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#define JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE 5
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static struct tok juniper_ipsec_type_values[] = {
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{ JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE, "ESP ENCR-AUTH" },
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{ JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE, "ESP ENCR-AH AUTH" },
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{ JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE, "ESP AUTH" },
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{ JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE, "AH AUTH" },
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{ JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE, "ESP ENCR" },
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{ 0, NULL}
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};
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static struct tok juniper_direction_values[] = {
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{ JUNIPER_BPF_IN, "In"},
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{ JUNIPER_BPF_OUT, "Out"},
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{ 0, NULL}
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};
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/* codepoints for encoding extensions to a .pcap file */
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enum {
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JUNIPER_EXT_TLV_IFD_IDX = 1,
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JUNIPER_EXT_TLV_IFD_NAME = 2,
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JUNIPER_EXT_TLV_IFD_MEDIATYPE = 3,
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JUNIPER_EXT_TLV_IFL_IDX = 4,
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JUNIPER_EXT_TLV_IFL_UNIT = 5,
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JUNIPER_EXT_TLV_IFL_ENCAPS = 6,
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JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE = 7,
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JUNIPER_EXT_TLV_TTP_IFL_ENCAPS = 8
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};
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/* 1 byte type and 1-byte length */
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#define JUNIPER_EXT_TLV_OVERHEAD 2
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struct tok jnx_ext_tlv_values[] = {
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{ JUNIPER_EXT_TLV_IFD_IDX, "Device Interface Index" },
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{ JUNIPER_EXT_TLV_IFD_NAME,"Device Interface Name" },
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{ JUNIPER_EXT_TLV_IFD_MEDIATYPE, "Device Media Type" },
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{ JUNIPER_EXT_TLV_IFL_IDX, "Logical Interface Index" },
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{ JUNIPER_EXT_TLV_IFL_UNIT,"Logical Unit Number" },
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{ JUNIPER_EXT_TLV_IFL_ENCAPS, "Logical Interface Encapsulation" },
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{ JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE, "TTP derived Device Media Type" },
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{ JUNIPER_EXT_TLV_TTP_IFL_ENCAPS, "TTP derived Logical Interface Encapsulation" },
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{ 0, NULL }
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};
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struct tok jnx_flag_values[] = {
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{ JUNIPER_BPF_EXT, "Ext" },
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{ JUNIPER_BPF_FILTER, "Filter" },
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{ JUNIPER_BPF_IIF, "IIF" },
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{ JUNIPER_BPF_NO_L2, "no-L2" },
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{ JUNIPER_BPF_PKT_IN, "In" },
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{ 0, NULL }
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};
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#define JUNIPER_IFML_ETHER 1
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#define JUNIPER_IFML_FDDI 2
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#define JUNIPER_IFML_TOKENRING 3
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#define JUNIPER_IFML_PPP 4
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#define JUNIPER_IFML_FRAMERELAY 5
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#define JUNIPER_IFML_CISCOHDLC 6
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#define JUNIPER_IFML_SMDSDXI 7
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#define JUNIPER_IFML_ATMPVC 8
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#define JUNIPER_IFML_PPP_CCC 9
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#define JUNIPER_IFML_FRAMERELAY_CCC 10
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#define JUNIPER_IFML_IPIP 11
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#define JUNIPER_IFML_GRE 12
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#define JUNIPER_IFML_PIM 13
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#define JUNIPER_IFML_PIMD 14
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#define JUNIPER_IFML_CISCOHDLC_CCC 15
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#define JUNIPER_IFML_VLAN_CCC 16
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#define JUNIPER_IFML_MLPPP 17
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#define JUNIPER_IFML_MLFR 18
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#define JUNIPER_IFML_ML 19
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#define JUNIPER_IFML_LSI 20
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#define JUNIPER_IFML_DFE 21
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#define JUNIPER_IFML_ATM_CELLRELAY_CCC 22
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#define JUNIPER_IFML_CRYPTO 23
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#define JUNIPER_IFML_GGSN 24
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#define JUNIPER_IFML_LSI_PPP 25
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#define JUNIPER_IFML_LSI_CISCOHDLC 26
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#define JUNIPER_IFML_PPP_TCC 27
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#define JUNIPER_IFML_FRAMERELAY_TCC 28
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#define JUNIPER_IFML_CISCOHDLC_TCC 29
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#define JUNIPER_IFML_ETHERNET_CCC 30
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#define JUNIPER_IFML_VT 31
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#define JUNIPER_IFML_EXTENDED_VLAN_CCC 32
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#define JUNIPER_IFML_ETHER_OVER_ATM 33
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#define JUNIPER_IFML_MONITOR 34
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#define JUNIPER_IFML_ETHERNET_TCC 35
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#define JUNIPER_IFML_VLAN_TCC 36
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#define JUNIPER_IFML_EXTENDED_VLAN_TCC 37
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#define JUNIPER_IFML_CONTROLLER 38
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#define JUNIPER_IFML_MFR 39
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#define JUNIPER_IFML_LS 40
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#define JUNIPER_IFML_ETHERNET_VPLS 41
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#define JUNIPER_IFML_ETHERNET_VLAN_VPLS 42
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#define JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS 43
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#define JUNIPER_IFML_LT 44
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#define JUNIPER_IFML_SERVICES 45
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#define JUNIPER_IFML_ETHER_VPLS_OVER_ATM 46
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#define JUNIPER_IFML_FR_PORT_CCC 47
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#define JUNIPER_IFML_FRAMERELAY_EXT_CCC 48
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#define JUNIPER_IFML_FRAMERELAY_EXT_TCC 49
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#define JUNIPER_IFML_FRAMERELAY_FLEX 50
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#define JUNIPER_IFML_GGSNI 51
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#define JUNIPER_IFML_ETHERNET_FLEX 52
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#define JUNIPER_IFML_COLLECTOR 53
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#define JUNIPER_IFML_AGGREGATOR 54
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#define JUNIPER_IFML_LAPD 55
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#define JUNIPER_IFML_PPPOE 56
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#define JUNIPER_IFML_PPP_SUBORDINATE 57
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#define JUNIPER_IFML_CISCOHDLC_SUBORDINATE 58
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#define JUNIPER_IFML_DFC 59
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#define JUNIPER_IFML_PICPEER 60
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struct tok juniper_ifmt_values[] = {
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{ JUNIPER_IFML_ETHER, "Ethernet" },
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{ JUNIPER_IFML_FDDI, "FDDI" },
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{ JUNIPER_IFML_TOKENRING, "Token-Ring" },
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{ JUNIPER_IFML_PPP, "PPP" },
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{ JUNIPER_IFML_PPP_SUBORDINATE, "PPP-Subordinate" },
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{ JUNIPER_IFML_FRAMERELAY, "Frame-Relay" },
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{ JUNIPER_IFML_CISCOHDLC, "Cisco-HDLC" },
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{ JUNIPER_IFML_SMDSDXI, "SMDS-DXI" },
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{ JUNIPER_IFML_ATMPVC, "ATM-PVC" },
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{ JUNIPER_IFML_PPP_CCC, "PPP-CCC" },
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{ JUNIPER_IFML_FRAMERELAY_CCC, "Frame-Relay-CCC" },
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{ JUNIPER_IFML_FRAMERELAY_EXT_CCC, "Extended FR-CCC" },
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{ JUNIPER_IFML_IPIP, "IP-over-IP" },
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{ JUNIPER_IFML_GRE, "GRE" },
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{ JUNIPER_IFML_PIM, "PIM-Encapsulator" },
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{ JUNIPER_IFML_PIMD, "PIM-Decapsulator" },
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{ JUNIPER_IFML_CISCOHDLC_CCC, "Cisco-HDLC-CCC" },
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{ JUNIPER_IFML_VLAN_CCC, "VLAN-CCC" },
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{ JUNIPER_IFML_EXTENDED_VLAN_CCC, "Extended-VLAN-CCC" },
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{ JUNIPER_IFML_MLPPP, "Multilink-PPP" },
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{ JUNIPER_IFML_MLFR, "Multilink-FR" },
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{ JUNIPER_IFML_MFR, "Multilink-FR-UNI-NNI" },
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{ JUNIPER_IFML_ML, "Multilink" },
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{ JUNIPER_IFML_LS, "LinkService" },
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{ JUNIPER_IFML_LSI, "LSI" },
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{ JUNIPER_IFML_ATM_CELLRELAY_CCC, "ATM-CCC-Cell-Relay" },
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{ JUNIPER_IFML_CRYPTO, "IPSEC-over-IP" },
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{ JUNIPER_IFML_GGSN, "GGSN" },
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{ JUNIPER_IFML_PPP_TCC, "PPP-TCC" },
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{ JUNIPER_IFML_FRAMERELAY_TCC, "Frame-Relay-TCC" },
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{ JUNIPER_IFML_FRAMERELAY_EXT_TCC, "Extended FR-TCC" },
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{ JUNIPER_IFML_CISCOHDLC_TCC, "Cisco-HDLC-TCC" },
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{ JUNIPER_IFML_ETHERNET_CCC, "Ethernet-CCC" },
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{ JUNIPER_IFML_VT, "VPN-Loopback-tunnel" },
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{ JUNIPER_IFML_ETHER_OVER_ATM, "Ethernet-over-ATM" },
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{ JUNIPER_IFML_ETHER_VPLS_OVER_ATM, "Ethernet-VPLS-over-ATM" },
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{ JUNIPER_IFML_MONITOR, "Monitor" },
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{ JUNIPER_IFML_ETHERNET_TCC, "Ethernet-TCC" },
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{ JUNIPER_IFML_VLAN_TCC, "VLAN-TCC" },
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{ JUNIPER_IFML_EXTENDED_VLAN_TCC, "Extended-VLAN-TCC" },
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{ JUNIPER_IFML_CONTROLLER, "Controller" },
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{ JUNIPER_IFML_ETHERNET_VPLS, "VPLS" },
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{ JUNIPER_IFML_ETHERNET_VLAN_VPLS, "VLAN-VPLS" },
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{ JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS, "Extended-VLAN-VPLS" },
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{ JUNIPER_IFML_LT, "Logical-tunnel" },
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{ JUNIPER_IFML_SERVICES, "General-Services" },
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{ JUNIPER_IFML_PPPOE, "PPPoE" },
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{ JUNIPER_IFML_ETHERNET_FLEX, "Flexible-Ethernet-Services" },
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{ JUNIPER_IFML_FRAMERELAY_FLEX, "Flexible-FrameRelay" },
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{ JUNIPER_IFML_COLLECTOR, "Flow-collection" },
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{ JUNIPER_IFML_PICPEER, "PIC Peer" },
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{ JUNIPER_IFML_DFC, "Dynamic-Flow-Capture" },
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{0, NULL}
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};
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#define JUNIPER_IFLE_ATM_SNAP 2
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#define JUNIPER_IFLE_ATM_NLPID 3
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#define JUNIPER_IFLE_ATM_VCMUX 4
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#define JUNIPER_IFLE_ATM_LLC 5
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#define JUNIPER_IFLE_ATM_PPP_VCMUX 6
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#define JUNIPER_IFLE_ATM_PPP_LLC 7
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#define JUNIPER_IFLE_ATM_PPP_FUNI 8
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#define JUNIPER_IFLE_ATM_CCC 9
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#define JUNIPER_IFLE_FR_NLPID 10
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#define JUNIPER_IFLE_FR_SNAP 11
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#define JUNIPER_IFLE_FR_PPP 12
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#define JUNIPER_IFLE_FR_CCC 13
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#define JUNIPER_IFLE_ENET2 14
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#define JUNIPER_IFLE_IEEE8023_SNAP 15
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#define JUNIPER_IFLE_IEEE8023_LLC 16
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#define JUNIPER_IFLE_PPP 17
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#define JUNIPER_IFLE_CISCOHDLC 18
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#define JUNIPER_IFLE_PPP_CCC 19
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#define JUNIPER_IFLE_IPIP_NULL 20
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#define JUNIPER_IFLE_PIM_NULL 21
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#define JUNIPER_IFLE_GRE_NULL 22
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#define JUNIPER_IFLE_GRE_PPP 23
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#define JUNIPER_IFLE_PIMD_DECAPS 24
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#define JUNIPER_IFLE_CISCOHDLC_CCC 25
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#define JUNIPER_IFLE_ATM_CISCO_NLPID 26
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#define JUNIPER_IFLE_VLAN_CCC 27
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#define JUNIPER_IFLE_MLPPP 28
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#define JUNIPER_IFLE_MLFR 29
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#define JUNIPER_IFLE_LSI_NULL 30
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#define JUNIPER_IFLE_AGGREGATE_UNUSED 31
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#define JUNIPER_IFLE_ATM_CELLRELAY_CCC 32
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#define JUNIPER_IFLE_CRYPTO 33
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#define JUNIPER_IFLE_GGSN 34
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#define JUNIPER_IFLE_ATM_TCC 35
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#define JUNIPER_IFLE_FR_TCC 36
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#define JUNIPER_IFLE_PPP_TCC 37
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#define JUNIPER_IFLE_CISCOHDLC_TCC 38
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#define JUNIPER_IFLE_ETHERNET_CCC 39
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#define JUNIPER_IFLE_VT 40
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#define JUNIPER_IFLE_ATM_EOA_LLC 41
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#define JUNIPER_IFLE_EXTENDED_VLAN_CCC 42
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#define JUNIPER_IFLE_ATM_SNAP_TCC 43
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#define JUNIPER_IFLE_MONITOR 44
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#define JUNIPER_IFLE_ETHERNET_TCC 45
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#define JUNIPER_IFLE_VLAN_TCC 46
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#define JUNIPER_IFLE_EXTENDED_VLAN_TCC 47
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#define JUNIPER_IFLE_MFR 48
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#define JUNIPER_IFLE_ETHERNET_VPLS 49
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#define JUNIPER_IFLE_ETHERNET_VLAN_VPLS 50
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#define JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS 51
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#define JUNIPER_IFLE_SERVICES 52
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#define JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC 53
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#define JUNIPER_IFLE_FR_PORT_CCC 54
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#define JUNIPER_IFLE_ATM_MLPPP_LLC 55
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#define JUNIPER_IFLE_ATM_EOA_CCC 56
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#define JUNIPER_IFLE_LT_VLAN 57
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#define JUNIPER_IFLE_COLLECTOR 58
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#define JUNIPER_IFLE_AGGREGATOR 59
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#define JUNIPER_IFLE_LAPD 60
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#define JUNIPER_IFLE_ATM_PPPOE_LLC 61
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#define JUNIPER_IFLE_ETHERNET_PPPOE 62
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#define JUNIPER_IFLE_PPPOE 63
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#define JUNIPER_IFLE_PPP_SUBORDINATE 64
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#define JUNIPER_IFLE_CISCOHDLC_SUBORDINATE 65
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#define JUNIPER_IFLE_DFC 66
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#define JUNIPER_IFLE_PICPEER 67
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struct tok juniper_ifle_values[] = {
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{ JUNIPER_IFLE_AGGREGATOR, "Aggregator" },
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{ JUNIPER_IFLE_ATM_CCC, "CCC over ATM" },
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{ JUNIPER_IFLE_ATM_CELLRELAY_CCC, "ATM CCC Cell Relay" },
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{ JUNIPER_IFLE_ATM_CISCO_NLPID, "CISCO compatible NLPID" },
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{ JUNIPER_IFLE_ATM_EOA_CCC, "Ethernet over ATM CCC" },
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{ JUNIPER_IFLE_ATM_EOA_LLC, "Ethernet over ATM LLC" },
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{ JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC, "Ethernet VPLS over ATM LLC" },
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{ JUNIPER_IFLE_ATM_LLC, "ATM LLC" },
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{ JUNIPER_IFLE_ATM_MLPPP_LLC, "MLPPP over ATM LLC" },
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{ JUNIPER_IFLE_ATM_NLPID, "ATM NLPID" },
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{ JUNIPER_IFLE_ATM_PPPOE_LLC, "PPPoE over ATM LLC" },
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{ JUNIPER_IFLE_ATM_PPP_FUNI, "PPP over FUNI" },
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{ JUNIPER_IFLE_ATM_PPP_LLC, "PPP over ATM LLC" },
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{ JUNIPER_IFLE_ATM_PPP_VCMUX, "PPP over ATM VCMUX" },
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{ JUNIPER_IFLE_ATM_SNAP, "ATM SNAP" },
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{ JUNIPER_IFLE_ATM_SNAP_TCC, "ATM SNAP TCC" },
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{ JUNIPER_IFLE_ATM_TCC, "ATM VCMUX TCC" },
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{ JUNIPER_IFLE_ATM_VCMUX, "ATM VCMUX" },
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{ JUNIPER_IFLE_CISCOHDLC, "C-HDLC" },
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{ JUNIPER_IFLE_CISCOHDLC_CCC, "C-HDLC CCC" },
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{ JUNIPER_IFLE_CISCOHDLC_SUBORDINATE, "C-HDLC via dialer" },
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{ JUNIPER_IFLE_CISCOHDLC_TCC, "C-HDLC TCC" },
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{ JUNIPER_IFLE_COLLECTOR, "Collector" },
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{ JUNIPER_IFLE_CRYPTO, "Crypto" },
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{ JUNIPER_IFLE_ENET2, "Ethernet" },
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{ JUNIPER_IFLE_ETHERNET_CCC, "Ethernet CCC" },
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{ JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS, "Extended VLAN VPLS" },
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{ 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 {
|
|
u_int32_t pictype; /* pic type */
|
|
u_int8_t cookie_len; /* cookie len */
|
|
const char *s; /* pic name */
|
|
};
|
|
|
|
static 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 {
|
|
u_int32_t length;
|
|
u_int32_t caplen;
|
|
u_int32_t pictype;
|
|
u_int8_t direction;
|
|
u_int8_t header_len;
|
|
u_int8_t cookie_len;
|
|
u_int8_t cookie_type;
|
|
u_int8_t cookie[8];
|
|
u_int8_t bundle;
|
|
u_int16_t proto;
|
|
u_int8_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
|
|
|
|
static struct tok juniper_protocol_values[] = {
|
|
{ JUNIPER_PROTO_NULL, "Null" },
|
|
{ JUNIPER_PROTO_IPV4, "IPv4" },
|
|
{ JUNIPER_PROTO_IPV6, "IPv6" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
int ip_heuristic_guess(register const u_char *, u_int);
|
|
int juniper_ppp_heuristic_guess(register const u_char *, u_int);
|
|
int juniper_read_tlv_value(const u_char *, u_int, u_int);
|
|
static int juniper_parse_header (const u_char *, const struct pcap_pkthdr *, struct juniper_l2info_t *);
|
|
|
|
#ifdef DLT_JUNIPER_GGSN
|
|
u_int
|
|
juniper_ggsn_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
struct juniper_ggsn_header {
|
|
u_int8_t svc_id;
|
|
u_int8_t flags_len;
|
|
u_int8_t proto;
|
|
u_int8_t flags;
|
|
u_int8_t vlan_id[2];
|
|
u_int8_t res[2];
|
|
};
|
|
const struct juniper_ggsn_header *gh;
|
|
|
|
l2info.pictype = DLT_JUNIPER_GGSN;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
gh = (struct juniper_ggsn_header *)&l2info.cookie;
|
|
|
|
if (eflag) {
|
|
printf("proto %s (%u), vlan %u: ",
|
|
tok2str(juniper_protocol_values,"Unknown",gh->proto),
|
|
gh->proto,
|
|
EXTRACT_16BITS(&gh->vlan_id[0]));
|
|
}
|
|
|
|
switch (gh->proto) {
|
|
case JUNIPER_PROTO_IPV4:
|
|
ip_print(gndo, p, l2info.length);
|
|
break;
|
|
#ifdef INET6
|
|
case JUNIPER_PROTO_IPV6:
|
|
ip6_print(gndo, p, l2info.length);
|
|
break;
|
|
#endif /* INET6 */
|
|
default:
|
|
if (!eflag)
|
|
printf("unknown GGSN proto (%u)", gh->proto);
|
|
}
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_ES
|
|
u_int
|
|
juniper_es_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
struct juniper_ipsec_header {
|
|
u_int8_t sa_index[2];
|
|
u_int8_t ttl;
|
|
u_int8_t type;
|
|
u_int8_t spi[4];
|
|
u_int8_t src_ip[4];
|
|
u_int8_t dst_ip[4];
|
|
};
|
|
u_int rewrite_len,es_type_bundle;
|
|
const struct juniper_ipsec_header *ih;
|
|
|
|
l2info.pictype = DLT_JUNIPER_ES;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
ih = (struct juniper_ipsec_header *)p;
|
|
|
|
switch (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;
|
|
default:
|
|
printf("ES Invalid type %u, length %u",
|
|
ih->type,
|
|
l2info.length);
|
|
return l2info.header_len;
|
|
}
|
|
|
|
l2info.length-=rewrite_len;
|
|
p+=rewrite_len;
|
|
|
|
if (eflag) {
|
|
if (!es_type_bundle) {
|
|
printf("ES SA, index %u, ttl %u type %s (%u), spi %u, Tunnel %s > %s, length %u\n",
|
|
EXTRACT_16BITS(&ih->sa_index),
|
|
ih->ttl,
|
|
tok2str(juniper_ipsec_type_values,"Unknown",ih->type),
|
|
ih->type,
|
|
EXTRACT_32BITS(&ih->spi),
|
|
ipaddr_string(&ih->src_ip),
|
|
ipaddr_string(&ih->dst_ip),
|
|
l2info.length);
|
|
} else {
|
|
printf("ES SA, index %u, ttl %u type %s (%u), length %u\n",
|
|
EXTRACT_16BITS(&ih->sa_index),
|
|
ih->ttl,
|
|
tok2str(juniper_ipsec_type_values,"Unknown",ih->type),
|
|
ih->type,
|
|
l2info.length);
|
|
}
|
|
}
|
|
|
|
ip_print(gndo, p, l2info.length);
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_MONITOR
|
|
u_int
|
|
juniper_monitor_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
struct juniper_monitor_header {
|
|
u_int8_t pkt_type;
|
|
u_int8_t padding;
|
|
u_int8_t iif[2];
|
|
u_int8_t service_id[4];
|
|
};
|
|
const struct juniper_monitor_header *mh;
|
|
|
|
l2info.pictype = DLT_JUNIPER_MONITOR;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
mh = (struct juniper_monitor_header *)p;
|
|
|
|
if (eflag)
|
|
printf("service-id %u, iif %u, pkt-type %u: ",
|
|
EXTRACT_32BITS(&mh->service_id),
|
|
EXTRACT_16BITS(&mh->iif),
|
|
mh->pkt_type);
|
|
|
|
/* no proto field - lets guess by first byte of IP header*/
|
|
ip_heuristic_guess(p, l2info.length);
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_SERVICES
|
|
u_int
|
|
juniper_services_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
struct juniper_services_header {
|
|
u_int8_t svc_id;
|
|
u_int8_t flags_len;
|
|
u_int8_t svc_set_id[2];
|
|
u_int8_t dir_iif[4];
|
|
};
|
|
const struct juniper_services_header *sh;
|
|
|
|
l2info.pictype = DLT_JUNIPER_SERVICES;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
sh = (struct juniper_services_header *)p;
|
|
|
|
if (eflag)
|
|
printf("service-id %u flags 0x%02x service-set-id 0x%04x iif %u: ",
|
|
sh->svc_id,
|
|
sh->flags_len,
|
|
EXTRACT_16BITS(&sh->svc_set_id),
|
|
EXTRACT_24BITS(&sh->dir_iif[1]));
|
|
|
|
/* no proto field - lets guess by first byte of IP header*/
|
|
ip_heuristic_guess(p, l2info.length);
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_PPPOE
|
|
u_int
|
|
juniper_pppoe_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_PPPOE;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
/* this DLT contains nothing but raw ethernet frames */
|
|
ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL);
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_ETHER
|
|
u_int
|
|
juniper_ether_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_ETHER;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
/* this DLT contains nothing but raw Ethernet frames */
|
|
ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL);
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_PPP
|
|
u_int
|
|
juniper_ppp_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_PPP;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
/* this DLT contains nothing but raw ppp frames */
|
|
ppp_print(p, l2info.length);
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_FRELAY
|
|
u_int
|
|
juniper_frelay_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_FRELAY;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
/* this DLT contains nothing but raw frame-relay frames */
|
|
fr_print(p, l2info.length);
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_CHDLC
|
|
u_int
|
|
juniper_chdlc_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_CHDLC;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
/* this DLT contains nothing but raw c-hdlc frames */
|
|
chdlc_print(p, l2info.length);
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_PPPOE_ATM
|
|
u_int
|
|
juniper_pppoe_atm_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
u_int16_t extracted_ethertype;
|
|
|
|
l2info.pictype = DLT_JUNIPER_PPPOE_ATM;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
|
|
extracted_ethertype = EXTRACT_16BITS(p);
|
|
/* this DLT contains nothing but raw PPPoE frames,
|
|
* prepended with a type field*/
|
|
if (ethertype_print(gndo, extracted_ethertype,
|
|
p+ETHERTYPE_LEN,
|
|
l2info.length-ETHERTYPE_LEN,
|
|
l2info.caplen-ETHERTYPE_LEN) == 0)
|
|
/* ether_type not known, probably it wasn't one */
|
|
printf("unknown ethertype 0x%04x", extracted_ethertype);
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_MLPPP
|
|
u_int
|
|
juniper_mlppp_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_MLPPP;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
/* suppress Bundle-ID if frame was captured on a child-link
|
|
* best indicator if the cookie looks like a proto */
|
|
if (eflag &&
|
|
EXTRACT_16BITS(&l2info.cookie) != PPP_OSI &&
|
|
EXTRACT_16BITS(&l2info.cookie) != (PPP_ADDRESS << 8 | PPP_CONTROL))
|
|
printf("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(p, l2info.length);
|
|
else
|
|
ip_print(gndo, p, l2info.length);
|
|
return l2info.header_len;
|
|
#ifdef INET6
|
|
case JUNIPER_LSQ_L3_PROTO_IPV6:
|
|
ip6_print(gndo, p,l2info.length);
|
|
return l2info.header_len;
|
|
#endif
|
|
case JUNIPER_LSQ_L3_PROTO_MPLS:
|
|
mpls_print(p,l2info.length);
|
|
return l2info.header_len;
|
|
case JUNIPER_LSQ_L3_PROTO_ISO:
|
|
isoclns_print(p,l2info.length,l2info.caplen);
|
|
return l2info.header_len;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* zero length cookie ? */
|
|
switch (EXTRACT_16BITS(&l2info.cookie)) {
|
|
case PPP_OSI:
|
|
ppp_print(p-2,l2info.length+2);
|
|
break;
|
|
case (PPP_ADDRESS << 8 | PPP_CONTROL): /* fall through */
|
|
default:
|
|
ppp_print(p,l2info.length);
|
|
break;
|
|
}
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef DLT_JUNIPER_MFR
|
|
u_int
|
|
juniper_mfr_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_MFR;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
|
|
/* child-link ? */
|
|
if (l2info.cookie_len == 0) {
|
|
mfr_print(p,l2info.length);
|
|
return l2info.header_len;
|
|
}
|
|
|
|
/* first try the LSQ protos */
|
|
if (l2info.cookie_len == AS_PIC_COOKIE_LEN) {
|
|
switch(l2info.proto) {
|
|
case JUNIPER_LSQ_L3_PROTO_IPV4:
|
|
ip_print(gndo, p, l2info.length);
|
|
return l2info.header_len;
|
|
#ifdef INET6
|
|
case JUNIPER_LSQ_L3_PROTO_IPV6:
|
|
ip6_print(gndo, p,l2info.length);
|
|
return l2info.header_len;
|
|
#endif
|
|
case JUNIPER_LSQ_L3_PROTO_MPLS:
|
|
mpls_print(p,l2info.length);
|
|
return l2info.header_len;
|
|
case JUNIPER_LSQ_L3_PROTO_ISO:
|
|
isoclns_print(p,l2info.length,l2info.caplen);
|
|
return l2info.header_len;
|
|
default:
|
|
break;
|
|
}
|
|
return l2info.header_len;
|
|
}
|
|
|
|
/* suppress Bundle-ID if frame was captured on a child-link */
|
|
if (eflag && EXTRACT_32BITS(l2info.cookie) != 1) printf("Bundle-ID %u, ",l2info.bundle);
|
|
switch (l2info.proto) {
|
|
case (LLCSAP_ISONS<<8 | LLCSAP_ISONS):
|
|
isoclns_print(p+1, l2info.length-1, l2info.caplen-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(p-1, l2info.length+1, l2info.caplen+1);
|
|
break;
|
|
default:
|
|
printf("unknown protocol 0x%04x, length %u",l2info.proto, l2info.length);
|
|
}
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DLT_JUNIPER_MLFR
|
|
u_int
|
|
juniper_mlfr_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_MLFR;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
|
|
/* suppress Bundle-ID if frame was captured on a child-link */
|
|
if (eflag && EXTRACT_32BITS(l2info.cookie) != 1) printf("Bundle-ID %u, ",l2info.bundle);
|
|
switch (l2info.proto) {
|
|
case (LLC_UI):
|
|
case (LLC_UI<<8):
|
|
isoclns_print(p, l2info.length, l2info.caplen);
|
|
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(p-1, l2info.length+1, l2info.caplen+1);
|
|
break;
|
|
default:
|
|
printf("unknown protocol 0x%04x, length %u",l2info.proto, l2info.length);
|
|
}
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* ATM1 PIC cookie format
|
|
*
|
|
* +-----+-------------------------+-------------------------------+
|
|
* |fmtid| vc index | channel ID |
|
|
* +-----+-------------------------+-------------------------------+
|
|
*/
|
|
|
|
#ifdef DLT_JUNIPER_ATM1
|
|
u_int
|
|
juniper_atm1_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
u_int16_t extracted_ethertype;
|
|
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_ATM1;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
|
|
if (l2info.cookie[0] == 0x80) { /* OAM cell ? */
|
|
oam_print(p,l2info.length,ATM_OAM_NOHEC);
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */
|
|
EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */
|
|
|
|
if (llc_print(p, l2info.length, l2info.caplen, NULL, NULL,
|
|
&extracted_ethertype) != 0)
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if (p[0] == 0x03) { /* Cisco style NLPID encaps ? */
|
|
isoclns_print(p + 1, l2info.length - 1, l2info.caplen - 1);
|
|
/* FIXME check if frame was recognized */
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if(ip_heuristic_guess(p, l2info.length) != 0) /* last try - vcmux encaps ? */
|
|
return l2info.header_len;
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* ATM2 PIC cookie format
|
|
*
|
|
* +-------------------------------+---------+---+-----+-----------+
|
|
* | channel ID | reserv |AAL| CCRQ| gap cnt |
|
|
* +-------------------------------+---------+---+-----+-----------+
|
|
*/
|
|
|
|
#ifdef DLT_JUNIPER_ATM2
|
|
u_int
|
|
juniper_atm2_print(const struct pcap_pkthdr *h, register const u_char *p)
|
|
{
|
|
u_int16_t extracted_ethertype;
|
|
|
|
struct juniper_l2info_t l2info;
|
|
|
|
l2info.pictype = DLT_JUNIPER_ATM2;
|
|
if(juniper_parse_header(p, h, &l2info) == 0)
|
|
return l2info.header_len;
|
|
|
|
p+=l2info.header_len;
|
|
|
|
if (l2info.cookie[7] & ATM2_PKT_TYPE_MASK) { /* OAM cell ? */
|
|
oam_print(p,l2info.length,ATM_OAM_NOHEC);
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */
|
|
EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */
|
|
|
|
if (llc_print(p, l2info.length, l2info.caplen, NULL, NULL,
|
|
&extracted_ethertype) != 0)
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if (l2info.direction != JUNIPER_BPF_PKT_IN && /* ether-over-1483 encaps ? */
|
|
(EXTRACT_32BITS(l2info.cookie) & ATM2_GAP_COUNT_MASK)) {
|
|
ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL);
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if (p[0] == 0x03) { /* Cisco style NLPID encaps ? */
|
|
isoclns_print(p + 1, l2info.length - 1, l2info.caplen - 1);
|
|
/* FIXME check if frame was recognized */
|
|
return l2info.header_len;
|
|
}
|
|
|
|
if(juniper_ppp_heuristic_guess(p, l2info.length) != 0) /* PPPoA vcmux encaps ? */
|
|
return l2info.header_len;
|
|
|
|
if(ip_heuristic_guess(p, l2info.length) != 0) /* last try - vcmux encaps ? */
|
|
return l2info.header_len;
|
|
|
|
return l2info.header_len;
|
|
}
|
|
#endif
|
|
|
|
|
|
/* try to guess, based on all PPP protos that are supported in
|
|
* a juniper router if the payload data is encapsulated using PPP */
|
|
int
|
|
juniper_ppp_heuristic_guess(register const u_char *p, u_int length) {
|
|
|
|
switch(EXTRACT_16BITS(p)) {
|
|
case PPP_IP :
|
|
case PPP_OSI :
|
|
case PPP_MPLS_UCAST :
|
|
case PPP_MPLS_MCAST :
|
|
case PPP_IPCP :
|
|
case PPP_OSICP :
|
|
case PPP_MPLSCP :
|
|
case PPP_LCP :
|
|
case PPP_PAP :
|
|
case PPP_CHAP :
|
|
case PPP_ML :
|
|
#ifdef INET6
|
|
case PPP_IPV6 :
|
|
case PPP_IPV6CP :
|
|
#endif
|
|
ppp_print(p, length);
|
|
break;
|
|
|
|
default:
|
|
return 0; /* did not find a ppp header */
|
|
break;
|
|
}
|
|
return 1; /* we printed a ppp packet */
|
|
}
|
|
|
|
int
|
|
ip_heuristic_guess(register const u_char *p, u_int length) {
|
|
|
|
switch(p[0]) {
|
|
case 0x45:
|
|
case 0x46:
|
|
case 0x47:
|
|
case 0x48:
|
|
case 0x49:
|
|
case 0x4a:
|
|
case 0x4b:
|
|
case 0x4c:
|
|
case 0x4d:
|
|
case 0x4e:
|
|
case 0x4f:
|
|
ip_print(gndo, p, length);
|
|
break;
|
|
#ifdef INET6
|
|
case 0x60:
|
|
case 0x61:
|
|
case 0x62:
|
|
case 0x63:
|
|
case 0x64:
|
|
case 0x65:
|
|
case 0x66:
|
|
case 0x67:
|
|
case 0x68:
|
|
case 0x69:
|
|
case 0x6a:
|
|
case 0x6b:
|
|
case 0x6c:
|
|
case 0x6d:
|
|
case 0x6e:
|
|
case 0x6f:
|
|
ip6_print(gndo, p, length);
|
|
break;
|
|
#endif
|
|
default:
|
|
return 0; /* did not find a ip header */
|
|
break;
|
|
}
|
|
return 1; /* we printed an v4/v6 packet */
|
|
}
|
|
|
|
int
|
|
juniper_read_tlv_value(const u_char *p, u_int tlv_type, u_int tlv_len) {
|
|
|
|
int tlv_value;
|
|
|
|
/* TLVs < 128 are little endian encoded */
|
|
if (tlv_type < 128) {
|
|
switch (tlv_len) {
|
|
case 1:
|
|
tlv_value = *p;
|
|
break;
|
|
case 2:
|
|
tlv_value = EXTRACT_LE_16BITS(p);
|
|
break;
|
|
case 3:
|
|
tlv_value = EXTRACT_LE_24BITS(p);
|
|
break;
|
|
case 4:
|
|
tlv_value = EXTRACT_LE_32BITS(p);
|
|
break;
|
|
default:
|
|
tlv_value = -1;
|
|
break;
|
|
}
|
|
} else {
|
|
/* TLVs >= 128 are big endian encoded */
|
|
switch (tlv_len) {
|
|
case 1:
|
|
tlv_value = *p;
|
|
break;
|
|
case 2:
|
|
tlv_value = EXTRACT_16BITS(p);
|
|
break;
|
|
case 3:
|
|
tlv_value = EXTRACT_24BITS(p);
|
|
break;
|
|
case 4:
|
|
tlv_value = EXTRACT_32BITS(p);
|
|
break;
|
|
default:
|
|
tlv_value = -1;
|
|
break;
|
|
}
|
|
}
|
|
return tlv_value;
|
|
}
|
|
|
|
static int
|
|
juniper_parse_header (const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info) {
|
|
|
|
struct juniper_cookie_table_t *lp = juniper_cookie_table;
|
|
u_int idx, jnx_ext_len, jnx_header_len = 0;
|
|
u_int8_t tlv_type,tlv_len;
|
|
u_int32_t control_word;
|
|
int tlv_value;
|
|
const u_char *tptr;
|
|
|
|
|
|
l2info->header_len = 0;
|
|
l2info->cookie_len = 0;
|
|
l2info->proto = 0;
|
|
|
|
|
|
l2info->length = h->len;
|
|
l2info->caplen = h->caplen;
|
|
TCHECK2(p[0],4);
|
|
l2info->flags = p[3];
|
|
l2info->direction = p[3]&JUNIPER_BPF_PKT_IN;
|
|
|
|
if (EXTRACT_24BITS(p) != JUNIPER_MGC_NUMBER) { /* magic number found ? */
|
|
printf("no magic-number found!");
|
|
return 0;
|
|
}
|
|
|
|
if (eflag) /* print direction */
|
|
printf("%3s ",tok2str(juniper_direction_values,"---",l2info->direction));
|
|
|
|
/* magic number + flags */
|
|
jnx_header_len = 4;
|
|
|
|
if (vflag>1)
|
|
printf("\n\tJuniper PCAP Flags [%s]",
|
|
bittok2str(jnx_flag_values, "none", l2info->flags));
|
|
|
|
/* extensions present ? - calculate how much bytes to skip */
|
|
if ((l2info->flags & JUNIPER_BPF_EXT ) == JUNIPER_BPF_EXT ) {
|
|
|
|
tptr = p+jnx_header_len;
|
|
|
|
/* ok to read extension length ? */
|
|
TCHECK2(tptr[0], 2);
|
|
jnx_ext_len = EXTRACT_16BITS(tptr);
|
|
jnx_header_len += 2;
|
|
tptr +=2;
|
|
|
|
/* nail up the total length -
|
|
* just in case something goes wrong
|
|
* with TLV parsing */
|
|
jnx_header_len += jnx_ext_len;
|
|
|
|
if (vflag>1)
|
|
printf(", PCAP Extension(s) total length %u",
|
|
jnx_ext_len);
|
|
|
|
TCHECK2(tptr[0], jnx_ext_len);
|
|
while (jnx_ext_len > JUNIPER_EXT_TLV_OVERHEAD) {
|
|
tlv_type = *(tptr++);
|
|
tlv_len = *(tptr++);
|
|
tlv_value = 0;
|
|
|
|
/* sanity check */
|
|
if (tlv_type == 0 || tlv_len == 0)
|
|
break;
|
|
|
|
if (vflag>1)
|
|
printf("\n\t %s Extension TLV #%u, length %u, value ",
|
|
tok2str(jnx_ext_tlv_values,"Unknown",tlv_type),
|
|
tlv_type,
|
|
tlv_len);
|
|
|
|
tlv_value = juniper_read_tlv_value(tptr, tlv_type, tlv_len);
|
|
switch (tlv_type) {
|
|
case JUNIPER_EXT_TLV_IFD_NAME:
|
|
/* FIXME */
|
|
break;
|
|
case JUNIPER_EXT_TLV_IFD_MEDIATYPE:
|
|
case JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE:
|
|
if (tlv_value != -1) {
|
|
if (vflag>1)
|
|
printf("%s (%u)",
|
|
tok2str(juniper_ifmt_values, "Unknown", tlv_value),
|
|
tlv_value);
|
|
}
|
|
break;
|
|
case JUNIPER_EXT_TLV_IFL_ENCAPS:
|
|
case JUNIPER_EXT_TLV_TTP_IFL_ENCAPS:
|
|
if (tlv_value != -1) {
|
|
if (vflag>1)
|
|
printf("%s (%u)",
|
|
tok2str(juniper_ifle_values, "Unknown", tlv_value),
|
|
tlv_value);
|
|
}
|
|
break;
|
|
case JUNIPER_EXT_TLV_IFL_IDX: /* fall through */
|
|
case JUNIPER_EXT_TLV_IFL_UNIT:
|
|
case JUNIPER_EXT_TLV_IFD_IDX:
|
|
default:
|
|
if (tlv_value != -1) {
|
|
if (vflag>1)
|
|
printf("%u",tlv_value);
|
|
}
|
|
break;
|
|
}
|
|
|
|
tptr+=tlv_len;
|
|
jnx_ext_len -= tlv_len+JUNIPER_EXT_TLV_OVERHEAD;
|
|
}
|
|
|
|
if (vflag>1)
|
|
printf("\n\t-----original packet-----\n\t");
|
|
}
|
|
|
|
if ((l2info->flags & JUNIPER_BPF_NO_L2 ) == JUNIPER_BPF_NO_L2 ) {
|
|
if (eflag)
|
|
printf("no-L2-hdr, ");
|
|
|
|
/* there is no link-layer present -
|
|
* perform the v4/v6 heuristics
|
|
* to figure out what it is
|
|
*/
|
|
TCHECK2(p[jnx_header_len+4],1);
|
|
if(ip_heuristic_guess(p+jnx_header_len+4,l2info->length-(jnx_header_len+4)) == 0)
|
|
printf("no IP-hdr found!");
|
|
|
|
l2info->header_len=jnx_header_len+4;
|
|
return 0; /* stop parsing the output further */
|
|
|
|
}
|
|
l2info->header_len = jnx_header_len;
|
|
p+=l2info->header_len;
|
|
l2info->length -= l2info->header_len;
|
|
l2info->caplen -= l2info->header_len;
|
|
|
|
/* search through the cookie table and copy values matching for our PIC type */
|
|
while (lp->s != NULL) {
|
|
if (lp->pictype == l2info->pictype) {
|
|
|
|
l2info->cookie_len += lp->cookie_len;
|
|
|
|
switch (p[0]) {
|
|
case LS_COOKIE_ID:
|
|
l2info->cookie_type = LS_COOKIE_ID;
|
|
l2info->cookie_len += 2;
|
|
break;
|
|
case AS_COOKIE_ID:
|
|
l2info->cookie_type = AS_COOKIE_ID;
|
|
l2info->cookie_len = 8;
|
|
break;
|
|
|
|
default:
|
|
l2info->bundle = l2info->cookie[0];
|
|
break;
|
|
}
|
|
|
|
|
|
#ifdef DLT_JUNIPER_MFR
|
|
/* MFR child links don't carry cookies */
|
|
if (l2info->pictype == DLT_JUNIPER_MFR &&
|
|
(p[0] & MFR_BE_MASK) == MFR_BE_MASK) {
|
|
l2info->cookie_len = 0;
|
|
}
|
|
#endif
|
|
|
|
l2info->header_len += l2info->cookie_len;
|
|
l2info->length -= l2info->cookie_len;
|
|
l2info->caplen -= l2info->cookie_len;
|
|
|
|
if (eflag)
|
|
printf("%s-PIC, cookie-len %u",
|
|
lp->s,
|
|
l2info->cookie_len);
|
|
|
|
if (l2info->cookie_len > 0) {
|
|
TCHECK2(p[0],l2info->cookie_len);
|
|
if (eflag)
|
|
printf(", cookie 0x");
|
|
for (idx = 0; idx < l2info->cookie_len; idx++) {
|
|
l2info->cookie[idx] = p[idx]; /* copy cookie data */
|
|
if (eflag) printf("%02x",p[idx]);
|
|
}
|
|
}
|
|
|
|
if (eflag) printf(": "); /* print demarc b/w L2/L3*/
|
|
|
|
|
|
l2info->proto = EXTRACT_16BITS(p+l2info->cookie_len);
|
|
break;
|
|
}
|
|
++lp;
|
|
}
|
|
p+=l2info->cookie_len;
|
|
|
|
/* DLT_ specific parsing */
|
|
switch(l2info->pictype) {
|
|
#ifdef DLT_JUNIPER_MLPPP
|
|
case DLT_JUNIPER_MLPPP:
|
|
switch (l2info->cookie_type) {
|
|
case LS_COOKIE_ID:
|
|
l2info->bundle = l2info->cookie[1];
|
|
break;
|
|
case AS_COOKIE_ID:
|
|
l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff;
|
|
l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK;
|
|
break;
|
|
default:
|
|
l2info->bundle = l2info->cookie[0];
|
|
break;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_MLFR
|
|
case DLT_JUNIPER_MLFR:
|
|
switch (l2info->cookie_type) {
|
|
case LS_COOKIE_ID:
|
|
l2info->bundle = l2info->cookie[1];
|
|
l2info->proto = EXTRACT_16BITS(p);
|
|
l2info->header_len += 2;
|
|
l2info->length -= 2;
|
|
l2info->caplen -= 2;
|
|
break;
|
|
case AS_COOKIE_ID:
|
|
l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff;
|
|
l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK;
|
|
break;
|
|
default:
|
|
l2info->bundle = l2info->cookie[0];
|
|
l2info->header_len += 2;
|
|
l2info->length -= 2;
|
|
l2info->caplen -= 2;
|
|
break;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_MFR
|
|
case DLT_JUNIPER_MFR:
|
|
switch (l2info->cookie_type) {
|
|
case LS_COOKIE_ID:
|
|
l2info->bundle = l2info->cookie[1];
|
|
l2info->proto = EXTRACT_16BITS(p);
|
|
l2info->header_len += 2;
|
|
l2info->length -= 2;
|
|
l2info->caplen -= 2;
|
|
break;
|
|
case AS_COOKIE_ID:
|
|
l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff;
|
|
l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK;
|
|
break;
|
|
default:
|
|
l2info->bundle = l2info->cookie[0];
|
|
break;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ATM2
|
|
case DLT_JUNIPER_ATM2:
|
|
TCHECK2(p[0],4);
|
|
/* ATM cell relay control word present ? */
|
|
if (l2info->cookie[7] & ATM2_PKT_TYPE_MASK) {
|
|
control_word = EXTRACT_32BITS(p);
|
|
/* some control word heuristics */
|
|
switch(control_word) {
|
|
case 0: /* zero control word */
|
|
case 0x08000000: /* < JUNOS 7.4 control-word */
|
|
case 0x08380000: /* cntl word plus cell length (56) >= JUNOS 7.4*/
|
|
l2info->header_len += 4;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (eflag)
|
|
printf("control-word 0x%08x ", control_word);
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_GGSN
|
|
case DLT_JUNIPER_GGSN:
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ATM1
|
|
case DLT_JUNIPER_ATM1:
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_PPP
|
|
case DLT_JUNIPER_PPP:
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_CHDLC
|
|
case DLT_JUNIPER_CHDLC:
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ETHER
|
|
case DLT_JUNIPER_ETHER:
|
|
break;
|
|
#endif
|
|
#ifdef DLT_JUNIPER_FRELAY
|
|
case DLT_JUNIPER_FRELAY:
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
printf("Unknown Juniper DLT_ type %u: ", l2info->pictype);
|
|
break;
|
|
}
|
|
|
|
if (eflag > 1)
|
|
printf("hlen %u, proto 0x%04x, ",l2info->header_len,l2info->proto);
|
|
|
|
return 1; /* everything went ok so far. continue parsing */
|
|
trunc:
|
|
printf("[|juniper_hdr], length %u",h->len);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Local Variables:
|
|
* c-style: whitesmith
|
|
* c-basic-offset: 4
|
|
* End:
|
|
*/
|