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-rw-r--r--contrib/tcpdump/print-juniper.c1032
1 files changed, 0 insertions, 1032 deletions
diff --git a/contrib/tcpdump/print-juniper.c b/contrib/tcpdump/print-juniper.c
deleted file mode 100644
index b5837e3..0000000
--- a/contrib/tcpdump/print-juniper.c
+++ /dev/null
@@ -1,1032 +0,0 @@
-/*
- * 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 1.8.2.22 2006/05/10 22:42:46 guy Exp $ (LBL)";
-#endif
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <tcpdump-stdinc.h>
-
-#include <pcap.h>
-#include <stdio.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "extract.h"
-#include "ppp.h"
-#include "llc.h"
-#include "nlpid.h"
-#include "ethertype.h"
-#include "atm.h"
-
-#define JUNIPER_BPF_OUT 0 /* Outgoing packet */
-#define JUNIPER_BPF_IN 1 /* Incoming packet */
-#define JUNIPER_BPF_PKT_IN 0x1 /* Incoming packet */
-#define JUNIPER_BPF_NO_L2 0x2 /* L2 header stripped */
-#define JUNIPER_BPF_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}
-};
-
-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;
-};
-
-#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);
-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 *)p;
-
- 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(EXTRACT_32BITS(&ih->src_ip)),
- ipaddr_string(EXTRACT_32BITS(&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 */
-}
-
-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, offset;
-#ifdef DLT_JUNIPER_ATM2
- u_int32_t control_word;
-#endif
-
- l2info->header_len = 0;
- l2info->cookie_len = 0;
- l2info->proto = 0;
-
-
- l2info->length = h->len;
- l2info->caplen = h->caplen;
- l2info->direction = p[3]&JUNIPER_BPF_PKT_IN;
-
- TCHECK2(p[0],4);
- 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));
-
- /* extensions present ? - calculate how much bytes to skip */
- if ((p[3] & JUNIPER_BPF_EXT ) == JUNIPER_BPF_EXT ) {
- offset = 6 + EXTRACT_16BITS(p+4);
- if (eflag>1)
- printf("ext-len %u, ",EXTRACT_16BITS(p+4));
- } else
- offset = 4;
-
- if ((p[3] & 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[offset+4],1);
- if(ip_heuristic_guess(p+offset+4,l2info->length-(offset+4)) == 0)
- printf("no IP-hdr found!");
-
- l2info->header_len=offset+4;
- return 0; /* stop parsing the output further */
-
- }
- l2info->header_len = offset;
- 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_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:
- */
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