/* 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 (hannes@juniper.net) */ #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 #include #include #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} }; 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(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(p, l2info.length, l2info.caplen); 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(p, l2info.length, l2info.caplen); 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 (ether_encap_print(extracted_ethertype, p+ETHERTYPE_LEN, l2info.length-ETHERTYPE_LEN, l2info.caplen-ETHERTYPE_LEN, &extracted_ethertype) == 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(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(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(p, l2info.length, l2info.caplen); 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(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: */