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Apply the last step of the new way to update the link-layer header length
[tcpdump] / print-juniper.c
1 /* NetBSD: print-juniper.c,v 1.2 2007/07/24 11:53:45 drochner Exp */
2
3 /*
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
15 * Original code by Hannes Gredler (hannes@gredler.at)
16 */
17
18 /* \summary: DLT_JUNIPER_* printers */
19
20 #ifndef lint
21 #else
22 __RCSID("NetBSD: print-juniper.c,v 1.3 2007/07/25 06:31:32 dogcow Exp ");
23 #endif
24
25 #ifdef HAVE_CONFIG_H
26 #include <config.h>
27 #endif
28
29 #include "netdissect-stdinc.h"
30
31 #include <string.h>
32
33 #include "netdissect.h"
34 #include "addrtoname.h"
35 #include "extract.h"
36 #include "ppp.h"
37 #include "llc.h"
38 #include "nlpid.h"
39 #include "ethertype.h"
40 #include "atm.h"
41
42 /*
43 * If none of the Juniper DLT_s are defined, there's nothing to do.
44 */
45 #if defined(DLT_JUNIPER_GGSN) || defined(DLT_JUNIPER_ES) || \
46 defined(DLT_JUNIPER_MONITOR) || defined(DLT_JUNIPER_SERVICES) || \
47 defined(DLT_JUNIPER_PPPOE) || defined(DLT_JUNIPER_ETHER) || \
48 defined(DLT_JUNIPER_PPP) || defined(DLT_JUNIPER_FRELAY) || \
49 defined(DLT_JUNIPER_CHDLC) || defined(DLT_JUNIPER_PPPOE_ATM) || \
50 defined(DLT_JUNIPER_MLPPP) || defined(DLT_JUNIPER_MFR) || \
51 defined(DLT_JUNIPER_MLFR) || defined(DLT_JUNIPER_ATM1) || \
52 defined(DLT_JUNIPER_ATM2)
53 #define JUNIPER_BPF_OUT 0 /* Outgoing packet */
54 #define JUNIPER_BPF_IN 1 /* Incoming packet */
55 #define JUNIPER_BPF_PKT_IN 0x1 /* Incoming packet */
56 #define JUNIPER_BPF_NO_L2 0x2 /* L2 header stripped */
57 #define JUNIPER_BPF_IIF 0x4 /* IIF is valid */
58 #define JUNIPER_BPF_FILTER 0x40 /* BPF filtering is supported */
59 #define JUNIPER_BPF_EXT 0x80 /* extensions present */
60 #define JUNIPER_MGC_NUMBER 0x4d4743 /* = "MGC" */
61
62 #define JUNIPER_LSQ_COOKIE_RE (1 << 3)
63 #define JUNIPER_LSQ_COOKIE_DIR (1 << 2)
64 #define JUNIPER_LSQ_L3_PROTO_SHIFT 4
65 #define JUNIPER_LSQ_L3_PROTO_MASK (0x17 << JUNIPER_LSQ_L3_PROTO_SHIFT)
66 #define JUNIPER_LSQ_L3_PROTO_IPV4 (0 << JUNIPER_LSQ_L3_PROTO_SHIFT)
67 #define JUNIPER_LSQ_L3_PROTO_IPV6 (1 << JUNIPER_LSQ_L3_PROTO_SHIFT)
68 #define JUNIPER_LSQ_L3_PROTO_MPLS (2 << JUNIPER_LSQ_L3_PROTO_SHIFT)
69 #define JUNIPER_LSQ_L3_PROTO_ISO (3 << JUNIPER_LSQ_L3_PROTO_SHIFT)
70 #define AS_PIC_COOKIE_LEN 8
71
72 #define JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE 1
73 #define JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE 2
74 #define JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE 3
75 #define JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE 4
76 #define JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE 5
77
78 #ifdef DLT_JUNIPER_ES
79 static const struct tok juniper_ipsec_type_values[] = {
80 { JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE, "ESP ENCR-AUTH" },
81 { JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE, "ESP ENCR-AH AUTH" },
82 { JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE, "ESP AUTH" },
83 { JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE, "AH AUTH" },
84 { JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE, "ESP ENCR" },
85 { 0, NULL}
86 };
87 #endif
88
89 static const struct tok juniper_direction_values[] = {
90 { JUNIPER_BPF_IN, "In"},
91 { JUNIPER_BPF_OUT, "Out"},
92 { 0, NULL}
93 };
94
95 /* codepoints for encoding extensions to a .pcap file */
96 enum {
97 JUNIPER_EXT_TLV_IFD_IDX = 1,
98 JUNIPER_EXT_TLV_IFD_NAME = 2,
99 JUNIPER_EXT_TLV_IFD_MEDIATYPE = 3,
100 JUNIPER_EXT_TLV_IFL_IDX = 4,
101 JUNIPER_EXT_TLV_IFL_UNIT = 5,
102 JUNIPER_EXT_TLV_IFL_ENCAPS = 6,
103 JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE = 7,
104 JUNIPER_EXT_TLV_TTP_IFL_ENCAPS = 8
105 };
106
107 /* 1 byte type and 1-byte length */
108 #define JUNIPER_EXT_TLV_OVERHEAD 2U
109
110 static const struct tok jnx_ext_tlv_values[] = {
111 { JUNIPER_EXT_TLV_IFD_IDX, "Device Interface Index" },
112 { JUNIPER_EXT_TLV_IFD_NAME,"Device Interface Name" },
113 { JUNIPER_EXT_TLV_IFD_MEDIATYPE, "Device Media Type" },
114 { JUNIPER_EXT_TLV_IFL_IDX, "Logical Interface Index" },
115 { JUNIPER_EXT_TLV_IFL_UNIT,"Logical Unit Number" },
116 { JUNIPER_EXT_TLV_IFL_ENCAPS, "Logical Interface Encapsulation" },
117 { JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE, "TTP derived Device Media Type" },
118 { JUNIPER_EXT_TLV_TTP_IFL_ENCAPS, "TTP derived Logical Interface Encapsulation" },
119 { 0, NULL }
120 };
121
122 static const struct tok jnx_flag_values[] = {
123 { JUNIPER_BPF_EXT, "Ext" },
124 { JUNIPER_BPF_FILTER, "Filter" },
125 { JUNIPER_BPF_IIF, "IIF" },
126 { JUNIPER_BPF_NO_L2, "no-L2" },
127 { JUNIPER_BPF_PKT_IN, "In" },
128 { 0, NULL }
129 };
130
131 #define JUNIPER_IFML_ETHER 1
132 #define JUNIPER_IFML_FDDI 2
133 #define JUNIPER_IFML_TOKENRING 3
134 #define JUNIPER_IFML_PPP 4
135 #define JUNIPER_IFML_FRAMERELAY 5
136 #define JUNIPER_IFML_CISCOHDLC 6
137 #define JUNIPER_IFML_SMDSDXI 7
138 #define JUNIPER_IFML_ATMPVC 8
139 #define JUNIPER_IFML_PPP_CCC 9
140 #define JUNIPER_IFML_FRAMERELAY_CCC 10
141 #define JUNIPER_IFML_IPIP 11
142 #define JUNIPER_IFML_GRE 12
143 #define JUNIPER_IFML_PIM 13
144 #define JUNIPER_IFML_PIMD 14
145 #define JUNIPER_IFML_CISCOHDLC_CCC 15
146 #define JUNIPER_IFML_VLAN_CCC 16
147 #define JUNIPER_IFML_MLPPP 17
148 #define JUNIPER_IFML_MLFR 18
149 #define JUNIPER_IFML_ML 19
150 #define JUNIPER_IFML_LSI 20
151 #define JUNIPER_IFML_DFE 21
152 #define JUNIPER_IFML_ATM_CELLRELAY_CCC 22
153 #define JUNIPER_IFML_CRYPTO 23
154 #define JUNIPER_IFML_GGSN 24
155 #define JUNIPER_IFML_LSI_PPP 25
156 #define JUNIPER_IFML_LSI_CISCOHDLC 26
157 #define JUNIPER_IFML_PPP_TCC 27
158 #define JUNIPER_IFML_FRAMERELAY_TCC 28
159 #define JUNIPER_IFML_CISCOHDLC_TCC 29
160 #define JUNIPER_IFML_ETHERNET_CCC 30
161 #define JUNIPER_IFML_VT 31
162 #define JUNIPER_IFML_EXTENDED_VLAN_CCC 32
163 #define JUNIPER_IFML_ETHER_OVER_ATM 33
164 #define JUNIPER_IFML_MONITOR 34
165 #define JUNIPER_IFML_ETHERNET_TCC 35
166 #define JUNIPER_IFML_VLAN_TCC 36
167 #define JUNIPER_IFML_EXTENDED_VLAN_TCC 37
168 #define JUNIPER_IFML_CONTROLLER 38
169 #define JUNIPER_IFML_MFR 39
170 #define JUNIPER_IFML_LS 40
171 #define JUNIPER_IFML_ETHERNET_VPLS 41
172 #define JUNIPER_IFML_ETHERNET_VLAN_VPLS 42
173 #define JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS 43
174 #define JUNIPER_IFML_LT 44
175 #define JUNIPER_IFML_SERVICES 45
176 #define JUNIPER_IFML_ETHER_VPLS_OVER_ATM 46
177 #define JUNIPER_IFML_FR_PORT_CCC 47
178 #define JUNIPER_IFML_FRAMERELAY_EXT_CCC 48
179 #define JUNIPER_IFML_FRAMERELAY_EXT_TCC 49
180 #define JUNIPER_IFML_FRAMERELAY_FLEX 50
181 #define JUNIPER_IFML_GGSNI 51
182 #define JUNIPER_IFML_ETHERNET_FLEX 52
183 #define JUNIPER_IFML_COLLECTOR 53
184 #define JUNIPER_IFML_AGGREGATOR 54
185 #define JUNIPER_IFML_LAPD 55
186 #define JUNIPER_IFML_PPPOE 56
187 #define JUNIPER_IFML_PPP_SUBORDINATE 57
188 #define JUNIPER_IFML_CISCOHDLC_SUBORDINATE 58
189 #define JUNIPER_IFML_DFC 59
190 #define JUNIPER_IFML_PICPEER 60
191
192 static const struct tok juniper_ifmt_values[] = {
193 { JUNIPER_IFML_ETHER, "Ethernet" },
194 { JUNIPER_IFML_FDDI, "FDDI" },
195 { JUNIPER_IFML_TOKENRING, "Token-Ring" },
196 { JUNIPER_IFML_PPP, "PPP" },
197 { JUNIPER_IFML_PPP_SUBORDINATE, "PPP-Subordinate" },
198 { JUNIPER_IFML_FRAMERELAY, "Frame-Relay" },
199 { JUNIPER_IFML_CISCOHDLC, "Cisco-HDLC" },
200 { JUNIPER_IFML_SMDSDXI, "SMDS-DXI" },
201 { JUNIPER_IFML_ATMPVC, "ATM-PVC" },
202 { JUNIPER_IFML_PPP_CCC, "PPP-CCC" },
203 { JUNIPER_IFML_FRAMERELAY_CCC, "Frame-Relay-CCC" },
204 { JUNIPER_IFML_FRAMERELAY_EXT_CCC, "Extended FR-CCC" },
205 { JUNIPER_IFML_IPIP, "IP-over-IP" },
206 { JUNIPER_IFML_GRE, "GRE" },
207 { JUNIPER_IFML_PIM, "PIM-Encapsulator" },
208 { JUNIPER_IFML_PIMD, "PIM-Decapsulator" },
209 { JUNIPER_IFML_CISCOHDLC_CCC, "Cisco-HDLC-CCC" },
210 { JUNIPER_IFML_VLAN_CCC, "VLAN-CCC" },
211 { JUNIPER_IFML_EXTENDED_VLAN_CCC, "Extended-VLAN-CCC" },
212 { JUNIPER_IFML_MLPPP, "Multilink-PPP" },
213 { JUNIPER_IFML_MLFR, "Multilink-FR" },
214 { JUNIPER_IFML_MFR, "Multilink-FR-UNI-NNI" },
215 { JUNIPER_IFML_ML, "Multilink" },
216 { JUNIPER_IFML_LS, "LinkService" },
217 { JUNIPER_IFML_LSI, "LSI" },
218 { JUNIPER_IFML_ATM_CELLRELAY_CCC, "ATM-CCC-Cell-Relay" },
219 { JUNIPER_IFML_CRYPTO, "IPSEC-over-IP" },
220 { JUNIPER_IFML_GGSN, "GGSN" },
221 { JUNIPER_IFML_PPP_TCC, "PPP-TCC" },
222 { JUNIPER_IFML_FRAMERELAY_TCC, "Frame-Relay-TCC" },
223 { JUNIPER_IFML_FRAMERELAY_EXT_TCC, "Extended FR-TCC" },
224 { JUNIPER_IFML_CISCOHDLC_TCC, "Cisco-HDLC-TCC" },
225 { JUNIPER_IFML_ETHERNET_CCC, "Ethernet-CCC" },
226 { JUNIPER_IFML_VT, "VPN-Loopback-tunnel" },
227 { JUNIPER_IFML_ETHER_OVER_ATM, "Ethernet-over-ATM" },
228 { JUNIPER_IFML_ETHER_VPLS_OVER_ATM, "Ethernet-VPLS-over-ATM" },
229 { JUNIPER_IFML_MONITOR, "Monitor" },
230 { JUNIPER_IFML_ETHERNET_TCC, "Ethernet-TCC" },
231 { JUNIPER_IFML_VLAN_TCC, "VLAN-TCC" },
232 { JUNIPER_IFML_EXTENDED_VLAN_TCC, "Extended-VLAN-TCC" },
233 { JUNIPER_IFML_CONTROLLER, "Controller" },
234 { JUNIPER_IFML_ETHERNET_VPLS, "VPLS" },
235 { JUNIPER_IFML_ETHERNET_VLAN_VPLS, "VLAN-VPLS" },
236 { JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS, "Extended-VLAN-VPLS" },
237 { JUNIPER_IFML_LT, "Logical-tunnel" },
238 { JUNIPER_IFML_SERVICES, "General-Services" },
239 { JUNIPER_IFML_PPPOE, "PPPoE" },
240 { JUNIPER_IFML_ETHERNET_FLEX, "Flexible-Ethernet-Services" },
241 { JUNIPER_IFML_FRAMERELAY_FLEX, "Flexible-FrameRelay" },
242 { JUNIPER_IFML_COLLECTOR, "Flow-collection" },
243 { JUNIPER_IFML_PICPEER, "PIC Peer" },
244 { JUNIPER_IFML_DFC, "Dynamic-Flow-Capture" },
245 {0, NULL}
246 };
247
248 #define JUNIPER_IFLE_ATM_SNAP 2
249 #define JUNIPER_IFLE_ATM_NLPID 3
250 #define JUNIPER_IFLE_ATM_VCMUX 4
251 #define JUNIPER_IFLE_ATM_LLC 5
252 #define JUNIPER_IFLE_ATM_PPP_VCMUX 6
253 #define JUNIPER_IFLE_ATM_PPP_LLC 7
254 #define JUNIPER_IFLE_ATM_PPP_FUNI 8
255 #define JUNIPER_IFLE_ATM_CCC 9
256 #define JUNIPER_IFLE_FR_NLPID 10
257 #define JUNIPER_IFLE_FR_SNAP 11
258 #define JUNIPER_IFLE_FR_PPP 12
259 #define JUNIPER_IFLE_FR_CCC 13
260 #define JUNIPER_IFLE_ENET2 14
261 #define JUNIPER_IFLE_IEEE8023_SNAP 15
262 #define JUNIPER_IFLE_IEEE8023_LLC 16
263 #define JUNIPER_IFLE_PPP 17
264 #define JUNIPER_IFLE_CISCOHDLC 18
265 #define JUNIPER_IFLE_PPP_CCC 19
266 #define JUNIPER_IFLE_IPIP_NULL 20
267 #define JUNIPER_IFLE_PIM_NULL 21
268 #define JUNIPER_IFLE_GRE_NULL 22
269 #define JUNIPER_IFLE_GRE_PPP 23
270 #define JUNIPER_IFLE_PIMD_DECAPS 24
271 #define JUNIPER_IFLE_CISCOHDLC_CCC 25
272 #define JUNIPER_IFLE_ATM_CISCO_NLPID 26
273 #define JUNIPER_IFLE_VLAN_CCC 27
274 #define JUNIPER_IFLE_MLPPP 28
275 #define JUNIPER_IFLE_MLFR 29
276 #define JUNIPER_IFLE_LSI_NULL 30
277 #define JUNIPER_IFLE_AGGREGATE_UNUSED 31
278 #define JUNIPER_IFLE_ATM_CELLRELAY_CCC 32
279 #define JUNIPER_IFLE_CRYPTO 33
280 #define JUNIPER_IFLE_GGSN 34
281 #define JUNIPER_IFLE_ATM_TCC 35
282 #define JUNIPER_IFLE_FR_TCC 36
283 #define JUNIPER_IFLE_PPP_TCC 37
284 #define JUNIPER_IFLE_CISCOHDLC_TCC 38
285 #define JUNIPER_IFLE_ETHERNET_CCC 39
286 #define JUNIPER_IFLE_VT 40
287 #define JUNIPER_IFLE_ATM_EOA_LLC 41
288 #define JUNIPER_IFLE_EXTENDED_VLAN_CCC 42
289 #define JUNIPER_IFLE_ATM_SNAP_TCC 43
290 #define JUNIPER_IFLE_MONITOR 44
291 #define JUNIPER_IFLE_ETHERNET_TCC 45
292 #define JUNIPER_IFLE_VLAN_TCC 46
293 #define JUNIPER_IFLE_EXTENDED_VLAN_TCC 47
294 #define JUNIPER_IFLE_MFR 48
295 #define JUNIPER_IFLE_ETHERNET_VPLS 49
296 #define JUNIPER_IFLE_ETHERNET_VLAN_VPLS 50
297 #define JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS 51
298 #define JUNIPER_IFLE_SERVICES 52
299 #define JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC 53
300 #define JUNIPER_IFLE_FR_PORT_CCC 54
301 #define JUNIPER_IFLE_ATM_MLPPP_LLC 55
302 #define JUNIPER_IFLE_ATM_EOA_CCC 56
303 #define JUNIPER_IFLE_LT_VLAN 57
304 #define JUNIPER_IFLE_COLLECTOR 58
305 #define JUNIPER_IFLE_AGGREGATOR 59
306 #define JUNIPER_IFLE_LAPD 60
307 #define JUNIPER_IFLE_ATM_PPPOE_LLC 61
308 #define JUNIPER_IFLE_ETHERNET_PPPOE 62
309 #define JUNIPER_IFLE_PPPOE 63
310 #define JUNIPER_IFLE_PPP_SUBORDINATE 64
311 #define JUNIPER_IFLE_CISCOHDLC_SUBORDINATE 65
312 #define JUNIPER_IFLE_DFC 66
313 #define JUNIPER_IFLE_PICPEER 67
314
315 static const struct tok juniper_ifle_values[] = {
316 { JUNIPER_IFLE_AGGREGATOR, "Aggregator" },
317 { JUNIPER_IFLE_ATM_CCC, "CCC over ATM" },
318 { JUNIPER_IFLE_ATM_CELLRELAY_CCC, "ATM CCC Cell Relay" },
319 { JUNIPER_IFLE_ATM_CISCO_NLPID, "CISCO compatible NLPID" },
320 { JUNIPER_IFLE_ATM_EOA_CCC, "Ethernet over ATM CCC" },
321 { JUNIPER_IFLE_ATM_EOA_LLC, "Ethernet over ATM LLC" },
322 { JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC, "Ethernet VPLS over ATM LLC" },
323 { JUNIPER_IFLE_ATM_LLC, "ATM LLC" },
324 { JUNIPER_IFLE_ATM_MLPPP_LLC, "MLPPP over ATM LLC" },
325 { JUNIPER_IFLE_ATM_NLPID, "ATM NLPID" },
326 { JUNIPER_IFLE_ATM_PPPOE_LLC, "PPPoE over ATM LLC" },
327 { JUNIPER_IFLE_ATM_PPP_FUNI, "PPP over FUNI" },
328 { JUNIPER_IFLE_ATM_PPP_LLC, "PPP over ATM LLC" },
329 { JUNIPER_IFLE_ATM_PPP_VCMUX, "PPP over ATM VCMUX" },
330 { JUNIPER_IFLE_ATM_SNAP, "ATM SNAP" },
331 { JUNIPER_IFLE_ATM_SNAP_TCC, "ATM SNAP TCC" },
332 { JUNIPER_IFLE_ATM_TCC, "ATM VCMUX TCC" },
333 { JUNIPER_IFLE_ATM_VCMUX, "ATM VCMUX" },
334 { JUNIPER_IFLE_CISCOHDLC, "C-HDLC" },
335 { JUNIPER_IFLE_CISCOHDLC_CCC, "C-HDLC CCC" },
336 { JUNIPER_IFLE_CISCOHDLC_SUBORDINATE, "C-HDLC via dialer" },
337 { JUNIPER_IFLE_CISCOHDLC_TCC, "C-HDLC TCC" },
338 { JUNIPER_IFLE_COLLECTOR, "Collector" },
339 { JUNIPER_IFLE_CRYPTO, "Crypto" },
340 { JUNIPER_IFLE_ENET2, "Ethernet" },
341 { JUNIPER_IFLE_ETHERNET_CCC, "Ethernet CCC" },
342 { JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS, "Extended VLAN VPLS" },
343 { JUNIPER_IFLE_ETHERNET_PPPOE, "PPPoE over Ethernet" },
344 { JUNIPER_IFLE_ETHERNET_TCC, "Ethernet TCC" },
345 { JUNIPER_IFLE_ETHERNET_VLAN_VPLS, "VLAN VPLS" },
346 { JUNIPER_IFLE_ETHERNET_VPLS, "VPLS" },
347 { JUNIPER_IFLE_EXTENDED_VLAN_CCC, "Extended VLAN CCC" },
348 { JUNIPER_IFLE_EXTENDED_VLAN_TCC, "Extended VLAN TCC" },
349 { JUNIPER_IFLE_FR_CCC, "FR CCC" },
350 { JUNIPER_IFLE_FR_NLPID, "FR NLPID" },
351 { JUNIPER_IFLE_FR_PORT_CCC, "FR CCC" },
352 { JUNIPER_IFLE_FR_PPP, "FR PPP" },
353 { JUNIPER_IFLE_FR_SNAP, "FR SNAP" },
354 { JUNIPER_IFLE_FR_TCC, "FR TCC" },
355 { JUNIPER_IFLE_GGSN, "GGSN" },
356 { JUNIPER_IFLE_GRE_NULL, "GRE NULL" },
357 { JUNIPER_IFLE_GRE_PPP, "PPP over GRE" },
358 { JUNIPER_IFLE_IPIP_NULL, "IPIP" },
359 { JUNIPER_IFLE_LAPD, "LAPD" },
360 { JUNIPER_IFLE_LSI_NULL, "LSI Null" },
361 { JUNIPER_IFLE_LT_VLAN, "LT VLAN" },
362 { JUNIPER_IFLE_MFR, "MFR" },
363 { JUNIPER_IFLE_MLFR, "MLFR" },
364 { JUNIPER_IFLE_MLPPP, "MLPPP" },
365 { JUNIPER_IFLE_MONITOR, "Monitor" },
366 { JUNIPER_IFLE_PIMD_DECAPS, "PIMd" },
367 { JUNIPER_IFLE_PIM_NULL, "PIM Null" },
368 { JUNIPER_IFLE_PPP, "PPP" },
369 { JUNIPER_IFLE_PPPOE, "PPPoE" },
370 { JUNIPER_IFLE_PPP_CCC, "PPP CCC" },
371 { JUNIPER_IFLE_PPP_SUBORDINATE, "" },
372 { JUNIPER_IFLE_PPP_TCC, "PPP TCC" },
373 { JUNIPER_IFLE_SERVICES, "General Services" },
374 { JUNIPER_IFLE_VLAN_CCC, "VLAN CCC" },
375 { JUNIPER_IFLE_VLAN_TCC, "VLAN TCC" },
376 { JUNIPER_IFLE_VT, "VT" },
377 {0, NULL}
378 };
379
380 struct juniper_cookie_table_t {
381 uint32_t pictype; /* pic type */
382 uint8_t cookie_len; /* cookie len */
383 const char *s; /* pic name */
384 };
385
386 static const struct juniper_cookie_table_t juniper_cookie_table[] = {
387 #ifdef DLT_JUNIPER_ATM1
388 { DLT_JUNIPER_ATM1, 4, "ATM1"},
389 #endif
390 #ifdef DLT_JUNIPER_ATM2
391 { DLT_JUNIPER_ATM2, 8, "ATM2"},
392 #endif
393 #ifdef DLT_JUNIPER_MLPPP
394 { DLT_JUNIPER_MLPPP, 2, "MLPPP"},
395 #endif
396 #ifdef DLT_JUNIPER_MLFR
397 { DLT_JUNIPER_MLFR, 2, "MLFR"},
398 #endif
399 #ifdef DLT_JUNIPER_MFR
400 { DLT_JUNIPER_MFR, 4, "MFR"},
401 #endif
402 #ifdef DLT_JUNIPER_PPPOE
403 { DLT_JUNIPER_PPPOE, 0, "PPPoE"},
404 #endif
405 #ifdef DLT_JUNIPER_PPPOE_ATM
406 { DLT_JUNIPER_PPPOE_ATM, 0, "PPPoE ATM"},
407 #endif
408 #ifdef DLT_JUNIPER_GGSN
409 { DLT_JUNIPER_GGSN, 8, "GGSN"},
410 #endif
411 #ifdef DLT_JUNIPER_MONITOR
412 { DLT_JUNIPER_MONITOR, 8, "MONITOR"},
413 #endif
414 #ifdef DLT_JUNIPER_SERVICES
415 { DLT_JUNIPER_SERVICES, 8, "AS"},
416 #endif
417 #ifdef DLT_JUNIPER_ES
418 { DLT_JUNIPER_ES, 0, "ES"},
419 #endif
420 { 0, 0, NULL }
421 };
422
423 struct juniper_l2info_t {
424 uint32_t length;
425 uint32_t caplen;
426 uint32_t pictype;
427 uint8_t direction;
428 u_int header_len;
429 uint8_t cookie_len;
430 uint8_t cookie_type;
431 uint8_t cookie[8];
432 u_int bundle;
433 uint16_t proto;
434 uint8_t flags;
435 };
436
437 #define LS_COOKIE_ID 0x54
438 #define AS_COOKIE_ID 0x47
439 #define LS_MLFR_COOKIE_LEN 4
440 #define ML_MLFR_COOKIE_LEN 2
441 #define LS_MFR_COOKIE_LEN 6
442 #define ATM1_COOKIE_LEN 4
443 #define ATM2_COOKIE_LEN 8
444
445 #define ATM2_PKT_TYPE_MASK 0x70
446 #define ATM2_GAP_COUNT_MASK 0x3F
447
448 #define JUNIPER_PROTO_NULL 1
449 #define JUNIPER_PROTO_IPV4 2
450 #define JUNIPER_PROTO_IPV6 6
451
452 #define MFR_BE_MASK 0xc0
453
454 #ifdef DLT_JUNIPER_GGSN
455 static const struct tok juniper_protocol_values[] = {
456 { JUNIPER_PROTO_NULL, "Null" },
457 { JUNIPER_PROTO_IPV4, "IPv4" },
458 { JUNIPER_PROTO_IPV6, "IPv6" },
459 { 0, NULL}
460 };
461 #endif
462
463 static int ip_heuristic_guess(netdissect_options *, const u_char *, u_int);
464 #ifdef DLT_JUNIPER_ATM2
465 static int juniper_ppp_heuristic_guess(netdissect_options *, const u_char *, u_int);
466 #endif
467 static int juniper_parse_header(netdissect_options *, const u_char *, const struct pcap_pkthdr *, struct juniper_l2info_t *);
468
469 #ifdef DLT_JUNIPER_GGSN
470 void
471 juniper_ggsn_if_print(netdissect_options *ndo,
472 const struct pcap_pkthdr *h, const u_char *p)
473 {
474 struct juniper_l2info_t l2info;
475 struct juniper_ggsn_header {
476 nd_uint8_t svc_id;
477 nd_uint8_t flags_len;
478 nd_uint8_t proto;
479 nd_uint8_t flags;
480 nd_uint16_t vlan_id;
481 nd_byte res[2];
482 };
483 const struct juniper_ggsn_header *gh;
484 uint8_t proto;
485
486 ndo->ndo_protocol = "juniper_ggsn";
487 l2info.pictype = DLT_JUNIPER_GGSN;
488 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
489 ndo->ndo_ll_hdr_len += l2info.header_len;
490 return;
491 }
492
493 p+=l2info.header_len;
494 gh = (struct juniper_ggsn_header *)&l2info.cookie;
495
496 ND_TCHECK_SIZE(gh);
497 proto = GET_U_1(gh->proto);
498 if (ndo->ndo_eflag) {
499 ND_PRINT("proto %s (%u), vlan %u: ",
500 tok2str(juniper_protocol_values,"Unknown",proto),
501 proto,
502 GET_BE_U_2(gh->vlan_id));
503 }
504
505 switch (proto) {
506 case JUNIPER_PROTO_IPV4:
507 ip_print(ndo, p, l2info.length);
508 break;
509 case JUNIPER_PROTO_IPV6:
510 ip6_print(ndo, p, l2info.length);
511 break;
512 default:
513 if (!ndo->ndo_eflag)
514 ND_PRINT("unknown GGSN proto (%u)", proto);
515 }
516
517 ndo->ndo_ll_hdr_len += l2info.header_len;
518 return;
519
520 trunc:
521 nd_print_trunc(ndo);
522 ndo->ndo_ll_hdr_len += l2info.header_len;
523 }
524 #endif
525
526 #ifdef DLT_JUNIPER_ES
527 void
528 juniper_es_if_print(netdissect_options *ndo,
529 const struct pcap_pkthdr *h, const u_char *p)
530 {
531 struct juniper_l2info_t l2info;
532 struct juniper_ipsec_header {
533 nd_uint16_t sa_index;
534 nd_uint8_t ttl;
535 nd_uint8_t type;
536 nd_uint32_t spi;
537 nd_ipv4 src_ip;
538 nd_ipv4 dst_ip;
539 };
540 u_int rewrite_len,es_type_bundle;
541 const struct juniper_ipsec_header *ih;
542
543 ndo->ndo_protocol = "juniper_es";
544 l2info.pictype = DLT_JUNIPER_ES;
545 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
546 ndo->ndo_ll_hdr_len += l2info.header_len;
547 return;
548 }
549
550 p+=l2info.header_len;
551 ih = (const struct juniper_ipsec_header *)p;
552
553 ND_TCHECK_SIZE(ih);
554 switch (GET_U_1(ih->type)) {
555 case JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE:
556 case JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE:
557 rewrite_len = 0;
558 es_type_bundle = 1;
559 break;
560 case JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE:
561 case JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE:
562 case JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE:
563 rewrite_len = 16;
564 es_type_bundle = 0;
565 break;
566 default:
567 ND_PRINT("ES Invalid type %u, length %u",
568 GET_U_1(ih->type),
569 l2info.length);
570 ndo->ndo_ll_hdr_len += l2info.header_len;
571 return;
572 }
573
574 l2info.length-=rewrite_len;
575 p+=rewrite_len;
576
577 if (ndo->ndo_eflag) {
578 if (!es_type_bundle) {
579 ND_PRINT("ES SA, index %u, ttl %u type %s (%u), spi %u, Tunnel %s > %s, length %u\n",
580 GET_BE_U_2(ih->sa_index),
581 GET_U_1(ih->ttl),
582 tok2str(juniper_ipsec_type_values,"Unknown",GET_U_1(ih->type)),
583 GET_U_1(ih->type),
584 GET_BE_U_4(ih->spi),
585 GET_IPADDR_STRING(ih->src_ip),
586 GET_IPADDR_STRING(ih->dst_ip),
587 l2info.length);
588 } else {
589 ND_PRINT("ES SA, index %u, ttl %u type %s (%u), length %u\n",
590 GET_BE_U_2(ih->sa_index),
591 GET_U_1(ih->ttl),
592 tok2str(juniper_ipsec_type_values,"Unknown",GET_U_1(ih->type)),
593 GET_U_1(ih->type),
594 l2info.length);
595 }
596 }
597
598 ip_print(ndo, p, l2info.length);
599 ndo->ndo_ll_hdr_len += l2info.header_len;
600 return;
601
602 trunc:
603 nd_print_trunc(ndo);
604 ndo->ndo_ll_hdr_len += l2info.header_len;
605 }
606 #endif
607
608 #ifdef DLT_JUNIPER_MONITOR
609 void
610 juniper_monitor_if_print(netdissect_options *ndo,
611 const struct pcap_pkthdr *h, const u_char *p)
612 {
613 struct juniper_l2info_t l2info;
614 struct juniper_monitor_header {
615 nd_uint8_t pkt_type;
616 nd_byte padding;
617 nd_uint16_t iif;
618 nd_uint32_t service_id;
619 };
620 const struct juniper_monitor_header *mh;
621
622 ndo->ndo_protocol = "juniper_monitor";
623 l2info.pictype = DLT_JUNIPER_MONITOR;
624 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
625 ndo->ndo_ll_hdr_len += l2info.header_len;
626 return;
627 }
628
629 p+=l2info.header_len;
630 mh = (const struct juniper_monitor_header *)p;
631
632 ND_TCHECK_SIZE(mh);
633 if (ndo->ndo_eflag)
634 ND_PRINT("service-id %u, iif %u, pkt-type %u: ",
635 GET_BE_U_4(mh->service_id),
636 GET_BE_U_2(mh->iif),
637 GET_U_1(mh->pkt_type));
638
639 /* no proto field - lets guess by first byte of IP header*/
640 ip_heuristic_guess (ndo, p, l2info.length);
641
642 ndo->ndo_ll_hdr_len += l2info.header_len;
643 return;
644
645 trunc:
646 nd_print_trunc(ndo);
647 ndo->ndo_ll_hdr_len += l2info.header_len;
648 }
649 #endif
650
651 #ifdef DLT_JUNIPER_SERVICES
652 void
653 juniper_services_if_print(netdissect_options *ndo,
654 const struct pcap_pkthdr *h, const u_char *p)
655 {
656 struct juniper_l2info_t l2info;
657 struct juniper_services_header {
658 nd_uint8_t svc_id;
659 nd_uint8_t flags_len;
660 nd_uint16_t svc_set_id;
661 nd_byte pad;
662 nd_uint24_t dir_iif;
663 };
664 const struct juniper_services_header *sh;
665
666 ndo->ndo_protocol = "juniper_services";
667 l2info.pictype = DLT_JUNIPER_SERVICES;
668 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
669 ndo->ndo_ll_hdr_len += l2info.header_len;
670 return;
671 }
672
673 p+=l2info.header_len;
674 sh = (const struct juniper_services_header *)p;
675
676 ND_TCHECK_SIZE(sh);
677 if (ndo->ndo_eflag)
678 ND_PRINT("service-id %u flags 0x%02x service-set-id 0x%04x iif %u: ",
679 GET_U_1(sh->svc_id),
680 GET_U_1(sh->flags_len),
681 GET_BE_U_2(sh->svc_set_id),
682 GET_BE_U_3(sh->dir_iif));
683
684 /* no proto field - lets guess by first byte of IP header*/
685 ip_heuristic_guess (ndo, p, l2info.length);
686
687 ndo->ndo_ll_hdr_len += l2info.header_len;
688 return;
689
690 trunc:
691 nd_print_trunc(ndo);
692 ndo->ndo_ll_hdr_len += l2info.header_len;
693 }
694 #endif
695
696 #ifdef DLT_JUNIPER_PPPOE
697 void
698 juniper_pppoe_if_print(netdissect_options *ndo,
699 const struct pcap_pkthdr *h, const u_char *p)
700 {
701 struct juniper_l2info_t l2info;
702
703 ndo->ndo_protocol = "juniper_pppoe";
704 l2info.pictype = DLT_JUNIPER_PPPOE;
705 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
706 ndo->ndo_ll_hdr_len += l2info.header_len;
707 return;
708 }
709
710 p+=l2info.header_len;
711 /* this DLT contains nothing but raw ethernet frames */
712 ether_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL);
713 ndo->ndo_ll_hdr_len += l2info.header_len;
714 }
715 #endif
716
717 #ifdef DLT_JUNIPER_ETHER
718 void
719 juniper_ether_if_print(netdissect_options *ndo,
720 const struct pcap_pkthdr *h, const u_char *p)
721 {
722 struct juniper_l2info_t l2info;
723
724 ndo->ndo_protocol = "juniper_ether";
725 l2info.pictype = DLT_JUNIPER_ETHER;
726 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
727 ndo->ndo_ll_hdr_len += l2info.header_len;
728 return;
729 }
730
731 p+=l2info.header_len;
732 /* this DLT contains nothing but raw Ethernet frames */
733 ndo->ndo_ll_hdr_len +=
734 l2info.header_len +
735 ether_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL);
736 }
737 #endif
738
739 #ifdef DLT_JUNIPER_PPP
740 void
741 juniper_ppp_if_print(netdissect_options *ndo,
742 const struct pcap_pkthdr *h, const u_char *p)
743 {
744 struct juniper_l2info_t l2info;
745
746 ndo->ndo_protocol = "juniper_ppp";
747 l2info.pictype = DLT_JUNIPER_PPP;
748 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
749 ndo->ndo_ll_hdr_len += l2info.header_len;
750 return;
751 }
752
753 p+=l2info.header_len;
754 /* this DLT contains nothing but raw ppp frames */
755 ppp_print(ndo, p, l2info.length);
756 ndo->ndo_ll_hdr_len += l2info.header_len;
757 }
758 #endif
759
760 #ifdef DLT_JUNIPER_FRELAY
761 void
762 juniper_frelay_if_print(netdissect_options *ndo,
763 const struct pcap_pkthdr *h, const u_char *p)
764 {
765 struct juniper_l2info_t l2info;
766
767 ndo->ndo_protocol = "juniper_frelay";
768 l2info.pictype = DLT_JUNIPER_FRELAY;
769 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
770 ndo->ndo_ll_hdr_len += l2info.header_len;
771 return;
772 }
773
774 p+=l2info.header_len;
775 /* this DLT contains nothing but raw frame-relay frames */
776 fr_print(ndo, p, l2info.length);
777 ndo->ndo_ll_hdr_len += l2info.header_len;
778 }
779 #endif
780
781 #ifdef DLT_JUNIPER_CHDLC
782 void
783 juniper_chdlc_if_print(netdissect_options *ndo,
784 const struct pcap_pkthdr *h, const u_char *p)
785 {
786 struct juniper_l2info_t l2info;
787
788 ndo->ndo_protocol = "juniper_chdlc";
789 l2info.pictype = DLT_JUNIPER_CHDLC;
790 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
791 ndo->ndo_ll_hdr_len += l2info.header_len;
792 return;
793 }
794
795 p+=l2info.header_len;
796 /* this DLT contains nothing but raw c-hdlc frames */
797 chdlc_print(ndo, p, l2info.length);
798 ndo->ndo_ll_hdr_len += l2info.header_len;
799 }
800 #endif
801
802 #ifdef DLT_JUNIPER_PPPOE_ATM
803 void
804 juniper_pppoe_atm_if_print(netdissect_options *ndo,
805 const struct pcap_pkthdr *h, const u_char *p)
806 {
807 struct juniper_l2info_t l2info;
808 uint16_t extracted_ethertype;
809
810 ndo->ndo_protocol = "juniper_pppoe_atm";
811 l2info.pictype = DLT_JUNIPER_PPPOE_ATM;
812 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
813 ndo->ndo_ll_hdr_len += l2info.header_len;
814 return;
815 }
816
817 p+=l2info.header_len;
818
819 ND_TCHECK_2(p);
820 extracted_ethertype = GET_BE_U_2(p);
821 /* this DLT contains nothing but raw PPPoE frames,
822 * prepended with a type field*/
823 if (ethertype_print(ndo, extracted_ethertype,
824 p+ETHERTYPE_LEN,
825 l2info.length-ETHERTYPE_LEN,
826 l2info.caplen-ETHERTYPE_LEN,
827 NULL, NULL) == 0)
828 /* ether_type not known, probably it wasn't one */
829 ND_PRINT("unknown ethertype 0x%04x", extracted_ethertype);
830
831 ndo->ndo_ll_hdr_len += l2info.header_len;
832 return;
833
834 trunc:
835 nd_print_trunc(ndo);
836 ndo->ndo_ll_hdr_len += l2info.header_len;
837 }
838 #endif
839
840 #ifdef DLT_JUNIPER_MLPPP
841 void
842 juniper_mlppp_if_print(netdissect_options *ndo,
843 const struct pcap_pkthdr *h, const u_char *p)
844 {
845 struct juniper_l2info_t l2info;
846
847 ndo->ndo_protocol = "juniper_mlppp";
848 l2info.pictype = DLT_JUNIPER_MLPPP;
849 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
850 ndo->ndo_ll_hdr_len += l2info.header_len;
851 return;
852 }
853
854 /* suppress Bundle-ID if frame was captured on a child-link
855 * best indicator if the cookie looks like a proto */
856 if (ndo->ndo_eflag &&
857 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
858 EXTRACT_BE_U_2(&l2info.cookie) != PPP_OSI &&
859 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
860 EXTRACT_BE_U_2(&l2info.cookie) != (PPP_ADDRESS << 8 | PPP_CONTROL))
861 ND_PRINT("Bundle-ID %u: ", l2info.bundle);
862
863 p+=l2info.header_len;
864
865 /* first try the LSQ protos */
866 switch(l2info.proto) {
867 case JUNIPER_LSQ_L3_PROTO_IPV4:
868 /* IP traffic going to the RE would not have a cookie
869 * -> this must be incoming IS-IS over PPP
870 */
871 if (l2info.cookie[4] == (JUNIPER_LSQ_COOKIE_RE|JUNIPER_LSQ_COOKIE_DIR))
872 ppp_print(ndo, p, l2info.length);
873 else
874 ip_print(ndo, p, l2info.length);
875 ndo->ndo_ll_hdr_len += l2info.header_len;
876 return;
877 case JUNIPER_LSQ_L3_PROTO_IPV6:
878 ip6_print(ndo, p,l2info.length);
879 ndo->ndo_ll_hdr_len += l2info.header_len;
880 return;
881 case JUNIPER_LSQ_L3_PROTO_MPLS:
882 mpls_print(ndo, p, l2info.length);
883 ndo->ndo_ll_hdr_len += l2info.header_len;
884 return;
885 case JUNIPER_LSQ_L3_PROTO_ISO:
886 isoclns_print(ndo, p, l2info.length);
887 ndo->ndo_ll_hdr_len += l2info.header_len;
888 return;
889 default:
890 break;
891 }
892
893 /* zero length cookie ? */
894 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
895 switch (EXTRACT_BE_U_2(&l2info.cookie)) {
896 case PPP_OSI:
897 ppp_print(ndo, p - 2, l2info.length + 2);
898 break;
899 case (PPP_ADDRESS << 8 | PPP_CONTROL): /* fall through */
900 default:
901 ppp_print(ndo, p, l2info.length);
902 break;
903 }
904
905 ndo->ndo_ll_hdr_len += l2info.header_len;
906 }
907 #endif
908
909
910 #ifdef DLT_JUNIPER_MFR
911 void
912 juniper_mfr_if_print(netdissect_options *ndo,
913 const struct pcap_pkthdr *h, const u_char *p)
914 {
915 struct juniper_l2info_t l2info;
916
917 ndo->ndo_protocol = "juniper_mfr";
918 memset(&l2info, 0, sizeof(l2info));
919 l2info.pictype = DLT_JUNIPER_MFR;
920 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
921 ndo->ndo_ll_hdr_len += l2info.header_len;
922 return;
923 }
924
925 p+=l2info.header_len;
926
927 /* child-link ? */
928 if (l2info.cookie_len == 0) {
929 mfr_print(ndo, p, l2info.length);
930 ndo->ndo_ll_hdr_len += l2info.header_len;
931 return;
932 }
933
934 /* first try the LSQ protos */
935 if (l2info.cookie_len == AS_PIC_COOKIE_LEN) {
936 switch(l2info.proto) {
937 case JUNIPER_LSQ_L3_PROTO_IPV4:
938 ip_print(ndo, p, l2info.length);
939 ndo->ndo_ll_hdr_len += l2info.header_len;
940 return;
941 case JUNIPER_LSQ_L3_PROTO_IPV6:
942 ip6_print(ndo, p,l2info.length);
943 ndo->ndo_ll_hdr_len += l2info.header_len;
944 return;
945 case JUNIPER_LSQ_L3_PROTO_MPLS:
946 mpls_print(ndo, p, l2info.length);
947 ndo->ndo_ll_hdr_len += l2info.header_len;
948 return;
949 case JUNIPER_LSQ_L3_PROTO_ISO:
950 isoclns_print(ndo, p, l2info.length);
951 ndo->ndo_ll_hdr_len += l2info.header_len;
952 return;
953 default:
954 break;
955 }
956 ndo->ndo_ll_hdr_len += l2info.header_len;
957 return;
958 }
959
960 /* suppress Bundle-ID if frame was captured on a child-link */
961 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
962 if (ndo->ndo_eflag && EXTRACT_BE_U_4(l2info.cookie) != 1)
963 ND_PRINT("Bundle-ID %u, ", l2info.bundle);
964 switch (l2info.proto) {
965 case (LLCSAP_ISONS<<8 | LLCSAP_ISONS):
966 isoclns_print(ndo, p + 1, l2info.length - 1);
967 break;
968 case (LLC_UI<<8 | NLPID_Q933):
969 case (LLC_UI<<8 | NLPID_IP):
970 case (LLC_UI<<8 | NLPID_IP6):
971 /* pass IP{4,6} to the OSI layer for proper link-layer printing */
972 isoclns_print(ndo, p - 1, l2info.length + 1);
973 break;
974 default:
975 ND_PRINT("unknown protocol 0x%04x, length %u", l2info.proto, l2info.length);
976 }
977
978 ndo->ndo_ll_hdr_len += l2info.header_len;
979 }
980 #endif
981
982 #ifdef DLT_JUNIPER_MLFR
983 void
984 juniper_mlfr_if_print(netdissect_options *ndo,
985 const struct pcap_pkthdr *h, const u_char *p)
986 {
987 struct juniper_l2info_t l2info;
988
989 ndo->ndo_protocol = "juniper_mlfr";
990 l2info.pictype = DLT_JUNIPER_MLFR;
991 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
992 ndo->ndo_ll_hdr_len += l2info.header_len;
993 return;
994 }
995
996 p+=l2info.header_len;
997
998 /* suppress Bundle-ID if frame was captured on a child-link */
999 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
1000 if (ndo->ndo_eflag && EXTRACT_BE_U_4(l2info.cookie) != 1)
1001 ND_PRINT("Bundle-ID %u, ", l2info.bundle);
1002 switch (l2info.proto) {
1003 case (LLC_UI):
1004 case (LLC_UI<<8):
1005 isoclns_print(ndo, p, l2info.length);
1006 break;
1007 case (LLC_UI<<8 | NLPID_Q933):
1008 case (LLC_UI<<8 | NLPID_IP):
1009 case (LLC_UI<<8 | NLPID_IP6):
1010 /* pass IP{4,6} to the OSI layer for proper link-layer printing */
1011 isoclns_print(ndo, p - 1, l2info.length + 1);
1012 break;
1013 default:
1014 ND_PRINT("unknown protocol 0x%04x, length %u", l2info.proto, l2info.length);
1015 }
1016
1017 ndo->ndo_ll_hdr_len += l2info.header_len;
1018 }
1019 #endif
1020
1021 /*
1022 * ATM1 PIC cookie format
1023 *
1024 * +-----+-------------------------+-------------------------------+
1025 * |fmtid| vc index | channel ID |
1026 * +-----+-------------------------+-------------------------------+
1027 */
1028
1029 #ifdef DLT_JUNIPER_ATM1
1030 void
1031 juniper_atm1_if_print(netdissect_options *ndo,
1032 const struct pcap_pkthdr *h, const u_char *p)
1033 {
1034 int llc_hdrlen;
1035
1036 struct juniper_l2info_t l2info;
1037
1038 ndo->ndo_protocol = "juniper_atm1";
1039 l2info.pictype = DLT_JUNIPER_ATM1;
1040 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
1041 ndo->ndo_ll_hdr_len += l2info.header_len;
1042 return;
1043 }
1044
1045 p+=l2info.header_len;
1046
1047 if (l2info.cookie[0] == 0x80) { /* OAM cell ? */
1048 oam_print(ndo, p, l2info.length, ATM_OAM_NOHEC);
1049 ndo->ndo_ll_hdr_len += l2info.header_len;
1050 return;
1051 }
1052
1053 ND_TCHECK_3(p);
1054 if (GET_BE_U_3(p) == 0xfefe03 || /* NLPID encaps ? */
1055 GET_BE_U_3(p) == 0xaaaa03) { /* SNAP encaps ? */
1056
1057 llc_hdrlen = llc_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL);
1058 if (llc_hdrlen > 0) {
1059 ndo->ndo_ll_hdr_len += l2info.header_len;
1060 return;
1061 }
1062 }
1063
1064 if (GET_U_1(p) == 0x03) { /* Cisco style NLPID encaps ? */
1065 isoclns_print(ndo, p + 1, l2info.length - 1);
1066 /* FIXME check if frame was recognized */
1067 ndo->ndo_ll_hdr_len += l2info.header_len;
1068 return;
1069 }
1070
1071 if (ip_heuristic_guess(ndo, p, l2info.length) != 0) { /* last try - vcmux encaps ? */
1072 ndo->ndo_ll_hdr_len += l2info.header_len;
1073 return;
1074 }
1075
1076 ndo->ndo_ll_hdr_len += l2info.header_len;
1077 return;
1078
1079 trunc:
1080 nd_print_trunc(ndo);
1081 ndo->ndo_ll_hdr_len += l2info.header_len;
1082 }
1083 #endif
1084
1085 /*
1086 * ATM2 PIC cookie format
1087 *
1088 * +-------------------------------+---------+---+-----+-----------+
1089 * | channel ID | reserv |AAL| CCRQ| gap cnt |
1090 * +-------------------------------+---------+---+-----+-----------+
1091 */
1092
1093 #ifdef DLT_JUNIPER_ATM2
1094 void
1095 juniper_atm2_if_print(netdissect_options *ndo,
1096 const struct pcap_pkthdr *h, const u_char *p)
1097 {
1098 int llc_hdrlen;
1099
1100 struct juniper_l2info_t l2info;
1101
1102 ndo->ndo_protocol = "juniper_atm2";
1103 l2info.pictype = DLT_JUNIPER_ATM2;
1104 if (juniper_parse_header(ndo, p, h, &l2info) == 0) {
1105 ndo->ndo_ll_hdr_len += l2info.header_len;
1106 return;
1107 }
1108
1109 p+=l2info.header_len;
1110
1111 if (l2info.cookie[7] & ATM2_PKT_TYPE_MASK) { /* OAM cell ? */
1112 oam_print(ndo, p, l2info.length, ATM_OAM_NOHEC);
1113 ndo->ndo_ll_hdr_len += l2info.header_len;
1114 return;
1115 }
1116
1117 ND_TCHECK_3(p);
1118 if (GET_BE_U_3(p) == 0xfefe03 || /* NLPID encaps ? */
1119 GET_BE_U_3(p) == 0xaaaa03) { /* SNAP encaps ? */
1120
1121 llc_hdrlen = llc_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL);
1122 if (llc_hdrlen > 0) {
1123 ndo->ndo_ll_hdr_len += l2info.header_len;
1124 return;
1125 }
1126 }
1127
1128 if (l2info.direction != JUNIPER_BPF_PKT_IN && /* ether-over-1483 encaps ? */
1129 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
1130 (EXTRACT_BE_U_4(l2info.cookie) & ATM2_GAP_COUNT_MASK)) {
1131 ether_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL);
1132 ndo->ndo_ll_hdr_len += l2info.header_len;
1133 return;
1134 }
1135
1136 if (GET_U_1(p) == 0x03) { /* Cisco style NLPID encaps ? */
1137 isoclns_print(ndo, p + 1, l2info.length - 1);
1138 /* FIXME check if frame was recognized */
1139 ndo->ndo_ll_hdr_len += l2info.header_len;
1140 return;
1141 }
1142
1143 if(juniper_ppp_heuristic_guess(ndo, p, l2info.length) != 0) { /* PPPoA vcmux encaps ? */
1144 ndo->ndo_ll_hdr_len += l2info.header_len;
1145 return;
1146 }
1147
1148 if (ip_heuristic_guess(ndo, p, l2info.length) != 0) { /* last try - vcmux encaps ? */
1149 ndo->ndo_ll_hdr_len += l2info.header_len;
1150 return;
1151 }
1152
1153 ndo->ndo_ll_hdr_len += l2info.header_len;
1154 return;
1155
1156 trunc:
1157 nd_print_trunc(ndo);
1158 ndo->ndo_ll_hdr_len += l2info.header_len;
1159 }
1160
1161 /* try to guess, based on all PPP protos that are supported in
1162 * a juniper router if the payload data is encapsulated using PPP */
1163 static int
1164 juniper_ppp_heuristic_guess(netdissect_options *ndo,
1165 const u_char *p, u_int length)
1166 {
1167 switch(GET_BE_U_2(p)) {
1168 case PPP_IP :
1169 case PPP_OSI :
1170 case PPP_MPLS_UCAST :
1171 case PPP_MPLS_MCAST :
1172 case PPP_IPCP :
1173 case PPP_OSICP :
1174 case PPP_MPLSCP :
1175 case PPP_LCP :
1176 case PPP_PAP :
1177 case PPP_CHAP :
1178 case PPP_ML :
1179 case PPP_IPV6 :
1180 case PPP_IPV6CP :
1181 ppp_print(ndo, p, length);
1182 break;
1183
1184 default:
1185 return 0; /* did not find a ppp header */
1186 break;
1187 }
1188 return 1; /* we printed a ppp packet */
1189 }
1190 #endif
1191
1192 static int
1193 ip_heuristic_guess(netdissect_options *ndo,
1194 const u_char *p, u_int length)
1195 {
1196 switch(GET_U_1(p)) {
1197 case 0x45:
1198 case 0x46:
1199 case 0x47:
1200 case 0x48:
1201 case 0x49:
1202 case 0x4a:
1203 case 0x4b:
1204 case 0x4c:
1205 case 0x4d:
1206 case 0x4e:
1207 case 0x4f:
1208 ip_print(ndo, p, length);
1209 break;
1210 case 0x60:
1211 case 0x61:
1212 case 0x62:
1213 case 0x63:
1214 case 0x64:
1215 case 0x65:
1216 case 0x66:
1217 case 0x67:
1218 case 0x68:
1219 case 0x69:
1220 case 0x6a:
1221 case 0x6b:
1222 case 0x6c:
1223 case 0x6d:
1224 case 0x6e:
1225 case 0x6f:
1226 ip6_print(ndo, p, length);
1227 break;
1228 default:
1229 return 0; /* did not find a ip header */
1230 break;
1231 }
1232 return 1; /* we printed an v4/v6 packet */
1233 }
1234
1235 static int
1236 juniper_read_tlv_value(netdissect_options *ndo,
1237 const u_char *p, u_int tlv_type, u_int tlv_len)
1238 {
1239 int tlv_value;
1240
1241 /* TLVs < 128 are little endian encoded */
1242 if (tlv_type < 128) {
1243 switch (tlv_len) {
1244 case 1:
1245 tlv_value = GET_U_1(p);
1246 break;
1247 case 2:
1248 tlv_value = GET_LE_U_2(p);
1249 break;
1250 case 3:
1251 tlv_value = GET_LE_U_3(p);
1252 break;
1253 case 4:
1254 tlv_value = GET_LE_U_4(p);
1255 break;
1256 default:
1257 tlv_value = -1;
1258 break;
1259 }
1260 } else {
1261 /* TLVs >= 128 are big endian encoded */
1262 switch (tlv_len) {
1263 case 1:
1264 tlv_value = GET_U_1(p);
1265 break;
1266 case 2:
1267 tlv_value = GET_BE_U_2(p);
1268 break;
1269 case 3:
1270 tlv_value = GET_BE_U_3(p);
1271 break;
1272 case 4:
1273 tlv_value = GET_BE_U_4(p);
1274 break;
1275 default:
1276 tlv_value = -1;
1277 break;
1278 }
1279 }
1280 return tlv_value;
1281 }
1282
1283 static int
1284 juniper_parse_header(netdissect_options *ndo,
1285 const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info)
1286 {
1287 const struct juniper_cookie_table_t *lp = juniper_cookie_table;
1288 u_int idx, jnx_ext_len, jnx_header_len = 0;
1289 uint8_t tlv_type,tlv_len;
1290 #ifdef DLT_JUNIPER_ATM2
1291 uint32_t control_word;
1292 #endif
1293 int tlv_value;
1294 const u_char *tptr;
1295
1296
1297 l2info->header_len = 0;
1298 l2info->cookie_len = 0;
1299 l2info->proto = 0;
1300
1301
1302 l2info->length = h->len;
1303 l2info->caplen = h->caplen;
1304 ND_TCHECK_4(p);
1305 l2info->flags = GET_U_1(p + 3);
1306 l2info->direction = GET_U_1(p + 3) & JUNIPER_BPF_PKT_IN;
1307
1308 if (GET_BE_U_3(p) != JUNIPER_MGC_NUMBER) { /* magic number found ? */
1309 ND_PRINT("no magic-number found!");
1310 return 0;
1311 }
1312
1313 if (ndo->ndo_eflag) /* print direction */
1314 ND_PRINT("%3s ", tok2str(juniper_direction_values, "---", l2info->direction));
1315
1316 /* magic number + flags */
1317 jnx_header_len = 4;
1318
1319 if (ndo->ndo_vflag > 1)
1320 ND_PRINT("\n\tJuniper PCAP Flags [%s]",
1321 bittok2str(jnx_flag_values, "none", l2info->flags));
1322
1323 /* extensions present ? - calculate how much bytes to skip */
1324 if ((l2info->flags & JUNIPER_BPF_EXT ) == JUNIPER_BPF_EXT ) {
1325
1326 tptr = p+jnx_header_len;
1327
1328 /* ok to read extension length ? */
1329 ND_TCHECK_2(tptr);
1330 jnx_ext_len = GET_BE_U_2(tptr);
1331 jnx_header_len += 2;
1332 tptr +=2;
1333
1334 /* nail up the total length -
1335 * just in case something goes wrong
1336 * with TLV parsing */
1337 jnx_header_len += jnx_ext_len;
1338
1339 if (ndo->ndo_vflag > 1)
1340 ND_PRINT(", PCAP Extension(s) total length %u", jnx_ext_len);
1341
1342 ND_TCHECK_LEN(tptr, jnx_ext_len);
1343 while (jnx_ext_len > JUNIPER_EXT_TLV_OVERHEAD) {
1344 tlv_type = GET_U_1(tptr);
1345 tptr++;
1346 tlv_len = GET_U_1(tptr);
1347 tptr++;
1348 tlv_value = 0;
1349
1350 /* sanity checks */
1351 if (tlv_type == 0 || tlv_len == 0)
1352 break;
1353 if (tlv_len+JUNIPER_EXT_TLV_OVERHEAD > jnx_ext_len)
1354 goto trunc;
1355
1356 if (ndo->ndo_vflag > 1)
1357 ND_PRINT("\n\t %s Extension TLV #%u, length %u, value ",
1358 tok2str(jnx_ext_tlv_values,"Unknown",tlv_type),
1359 tlv_type,
1360 tlv_len);
1361
1362 tlv_value = juniper_read_tlv_value(ndo, tptr, tlv_type, tlv_len);
1363 switch (tlv_type) {
1364 case JUNIPER_EXT_TLV_IFD_NAME:
1365 /* FIXME */
1366 break;
1367 case JUNIPER_EXT_TLV_IFD_MEDIATYPE:
1368 case JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE:
1369 if (tlv_value != -1) {
1370 if (ndo->ndo_vflag > 1)
1371 ND_PRINT("%s (%u)",
1372 tok2str(juniper_ifmt_values, "Unknown", tlv_value),
1373 tlv_value);
1374 }
1375 break;
1376 case JUNIPER_EXT_TLV_IFL_ENCAPS:
1377 case JUNIPER_EXT_TLV_TTP_IFL_ENCAPS:
1378 if (tlv_value != -1) {
1379 if (ndo->ndo_vflag > 1)
1380 ND_PRINT("%s (%u)",
1381 tok2str(juniper_ifle_values, "Unknown", tlv_value),
1382 tlv_value);
1383 }
1384 break;
1385 case JUNIPER_EXT_TLV_IFL_IDX: /* fall through */
1386 case JUNIPER_EXT_TLV_IFL_UNIT:
1387 case JUNIPER_EXT_TLV_IFD_IDX:
1388 default:
1389 if (tlv_value != -1) {
1390 if (ndo->ndo_vflag > 1)
1391 ND_PRINT("%u", tlv_value);
1392 }
1393 break;
1394 }
1395
1396 tptr+=tlv_len;
1397 jnx_ext_len -= tlv_len+JUNIPER_EXT_TLV_OVERHEAD;
1398 }
1399
1400 if (ndo->ndo_vflag > 1)
1401 ND_PRINT("\n\t-----original packet-----\n\t");
1402 }
1403
1404 if ((l2info->flags & JUNIPER_BPF_NO_L2 ) == JUNIPER_BPF_NO_L2 ) {
1405 if (ndo->ndo_eflag)
1406 ND_PRINT("no-L2-hdr, ");
1407
1408 /* there is no link-layer present -
1409 * perform the v4/v6 heuristics
1410 * to figure out what it is
1411 */
1412 ND_TCHECK_1(p + (jnx_header_len + 4));
1413 if (ip_heuristic_guess(ndo, p + jnx_header_len + 4,
1414 l2info->length - (jnx_header_len + 4)) == 0)
1415 ND_PRINT("no IP-hdr found!");
1416
1417 l2info->header_len=jnx_header_len+4;
1418 return 0; /* stop parsing the output further */
1419
1420 }
1421 l2info->header_len = jnx_header_len;
1422 p+=l2info->header_len;
1423 l2info->length -= l2info->header_len;
1424 l2info->caplen -= l2info->header_len;
1425
1426 /* search through the cookie table and copy values matching for our PIC type */
1427 ND_TCHECK_1(p);
1428 while (lp->s != NULL) {
1429 if (lp->pictype == l2info->pictype) {
1430
1431 l2info->cookie_len += lp->cookie_len;
1432
1433 switch (GET_U_1(p)) {
1434 case LS_COOKIE_ID:
1435 l2info->cookie_type = LS_COOKIE_ID;
1436 l2info->cookie_len += 2;
1437 break;
1438 case AS_COOKIE_ID:
1439 l2info->cookie_type = AS_COOKIE_ID;
1440 l2info->cookie_len = 8;
1441 break;
1442
1443 default:
1444 l2info->bundle = l2info->cookie[0];
1445 break;
1446 }
1447
1448
1449 #ifdef DLT_JUNIPER_MFR
1450 /* MFR child links don't carry cookies */
1451 if (l2info->pictype == DLT_JUNIPER_MFR &&
1452 (GET_U_1(p) & MFR_BE_MASK) == MFR_BE_MASK) {
1453 l2info->cookie_len = 0;
1454 }
1455 #endif
1456
1457 l2info->header_len += l2info->cookie_len;
1458 l2info->length -= l2info->cookie_len;
1459 l2info->caplen -= l2info->cookie_len;
1460
1461 if (ndo->ndo_eflag)
1462 ND_PRINT("%s-PIC, cookie-len %u",
1463 lp->s,
1464 l2info->cookie_len);
1465
1466 if (l2info->cookie_len > 8) {
1467 nd_print_invalid(ndo);
1468 return 0;
1469 }
1470
1471 if (l2info->cookie_len > 0) {
1472 ND_TCHECK_LEN(p, l2info->cookie_len);
1473 if (ndo->ndo_eflag)
1474 ND_PRINT(", cookie 0x");
1475 for (idx = 0; idx < l2info->cookie_len; idx++) {
1476 l2info->cookie[idx] = GET_U_1(p + idx); /* copy cookie data */
1477 if (ndo->ndo_eflag) ND_PRINT("%02x", GET_U_1(p + idx));
1478 }
1479 }
1480
1481 if (ndo->ndo_eflag) ND_PRINT(": "); /* print demarc b/w L2/L3*/
1482
1483
1484 ND_TCHECK_2(p + l2info->cookie_len);
1485 l2info->proto = GET_BE_U_2(p + l2info->cookie_len);
1486 break;
1487 }
1488 ++lp;
1489 }
1490 p+=l2info->cookie_len;
1491
1492 /* DLT_ specific parsing */
1493 switch(l2info->pictype) {
1494 #ifdef DLT_JUNIPER_MLPPP
1495 case DLT_JUNIPER_MLPPP:
1496 switch (l2info->cookie_type) {
1497 case LS_COOKIE_ID:
1498 l2info->bundle = l2info->cookie[1];
1499 break;
1500 case AS_COOKIE_ID:
1501 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
1502 l2info->bundle = (EXTRACT_BE_U_2(&l2info->cookie[6])>>3)&0xfff;
1503 l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK;
1504 break;
1505 default:
1506 l2info->bundle = l2info->cookie[0];
1507 break;
1508 }
1509 break;
1510 #endif
1511 #ifdef DLT_JUNIPER_MLFR
1512 case DLT_JUNIPER_MLFR:
1513 switch (l2info->cookie_type) {
1514 case LS_COOKIE_ID:
1515 ND_TCHECK_2(p);
1516 l2info->bundle = l2info->cookie[1];
1517 l2info->proto = GET_BE_U_2(p);
1518 l2info->header_len += 2;
1519 l2info->length -= 2;
1520 l2info->caplen -= 2;
1521 break;
1522 case AS_COOKIE_ID:
1523 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
1524 l2info->bundle = (EXTRACT_BE_U_2(&l2info->cookie[6])>>3)&0xfff;
1525 l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK;
1526 break;
1527 default:
1528 l2info->bundle = l2info->cookie[0];
1529 l2info->header_len += 2;
1530 l2info->length -= 2;
1531 l2info->caplen -= 2;
1532 break;
1533 }
1534 break;
1535 #endif
1536 #ifdef DLT_JUNIPER_MFR
1537 case DLT_JUNIPER_MFR:
1538 switch (l2info->cookie_type) {
1539 case LS_COOKIE_ID:
1540 ND_TCHECK_2(p);
1541 l2info->bundle = l2info->cookie[1];
1542 l2info->proto = GET_BE_U_2(p);
1543 l2info->header_len += 2;
1544 l2info->length -= 2;
1545 l2info->caplen -= 2;
1546 break;
1547 case AS_COOKIE_ID:
1548 /* use EXTRACT_, not GET_ (not packet buffer pointer) */
1549 l2info->bundle = (EXTRACT_BE_U_2(&l2info->cookie[6])>>3)&0xfff;
1550 l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK;
1551 break;
1552 default:
1553 l2info->bundle = l2info->cookie[0];
1554 break;
1555 }
1556 break;
1557 #endif
1558 #ifdef DLT_JUNIPER_ATM2
1559 case DLT_JUNIPER_ATM2:
1560 ND_TCHECK_4(p);
1561 /* ATM cell relay control word present ? */
1562 if (l2info->cookie[7] & ATM2_PKT_TYPE_MASK) {
1563 control_word = GET_BE_U_4(p);
1564 /* some control word heuristics */
1565 switch(control_word) {
1566 case 0: /* zero control word */
1567 case 0x08000000: /* < JUNOS 7.4 control-word */
1568 case 0x08380000: /* cntl word plus cell length (56) >= JUNOS 7.4*/
1569 l2info->header_len += 4;
1570 break;
1571 default:
1572 break;
1573 }
1574
1575 if (ndo->ndo_eflag)
1576 ND_PRINT("control-word 0x%08x ", control_word);
1577 }
1578 break;
1579 #endif
1580 #ifdef DLT_JUNIPER_GGSN
1581 case DLT_JUNIPER_GGSN:
1582 break;
1583 #endif
1584 #ifdef DLT_JUNIPER_ATM1
1585 case DLT_JUNIPER_ATM1:
1586 break;
1587 #endif
1588 #ifdef DLT_JUNIPER_PPP
1589 case DLT_JUNIPER_PPP:
1590 break;
1591 #endif
1592 #ifdef DLT_JUNIPER_CHDLC
1593 case DLT_JUNIPER_CHDLC:
1594 break;
1595 #endif
1596 #ifdef DLT_JUNIPER_ETHER
1597 case DLT_JUNIPER_ETHER:
1598 break;
1599 #endif
1600 #ifdef DLT_JUNIPER_FRELAY
1601 case DLT_JUNIPER_FRELAY:
1602 break;
1603 #endif
1604
1605 default:
1606 ND_PRINT("Unknown Juniper DLT_ type %u: ", l2info->pictype);
1607 break;
1608 }
1609
1610 if (ndo->ndo_eflag > 1)
1611 ND_PRINT("hlen %u, proto 0x%04x, ", l2info->header_len, l2info->proto);
1612
1613 return 1; /* everything went ok so far. continue parsing */
1614 trunc:
1615 nd_print_trunc(ndo);
1616 return 0;
1617 }
1618 #endif /* defined(DLT_JUNIPER_GGSN) || defined(DLT_JUNIPER_ES) || \
1619 defined(DLT_JUNIPER_MONITOR) || defined(DLT_JUNIPER_SERVICES) || \
1620 defined(DLT_JUNIPER_PPPOE) || defined(DLT_JUNIPER_ETHER) || \
1621 defined(DLT_JUNIPER_PPP) || defined(DLT_JUNIPER_FRELAY) || \
1622 defined(DLT_JUNIPER_CHDLC) || defined(DLT_JUNIPER_PPPOE_ATM) || \
1623 defined(DLT_JUNIPER_MLPPP) || defined(DLT_JUNIPER_MFR) || \
1624 defined(DLT_JUNIPER_MLFR) || defined(DLT_JUNIPER_ATM1) || \
1625 defined(DLT_JUNIPER_ATM2) */
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