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Fix a bunch of de-constifications.
[tcpdump] / print-forces.c
1 /*
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
12 *
13 * Copyright (c) 2009 Mojatatu Networks, Inc
14 *
15 */
16
17 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20
21 #include <tcpdump-stdinc.h>
22
23 #include "interface.h"
24 #include "extract.h"
25
26 static const char tstr[] = "[|forces]";
27
28 /*
29 * RFC5810: Forwarding and Control Element Separation (ForCES) Protocol
30 */
31 #define ForCES_VERS 1
32 #define ForCES_HDRL 24
33 #define ForCES_ALNL 4U
34 #define TLV_HDRL 4
35 #define ILV_HDRL 8
36
37 #define TOM_RSVD 0x0
38 #define TOM_ASSNSETUP 0x1
39 #define TOM_ASSNTEARD 0x2
40 #define TOM_CONFIG 0x3
41 #define TOM_QUERY 0x4
42 #define TOM_EVENTNOT 0x5
43 #define TOM_PKTREDIR 0x6
44 #define TOM_HEARTBT 0x0F
45 #define TOM_ASSNSETREP 0x11
46 #define TOM_CONFIGREP 0x13
47 #define TOM_QUERYREP 0x14
48
49 /*
50 * tom_h Flags: resv1(8b):maxtlvs(4b):resv2(2b):mintlv(2b)
51 */
52 #define ZERO_TTLV 0x01
53 #define ZERO_MORE_TTLV 0x02
54 #define ONE_MORE_TTLV 0x04
55 #define ZERO_TLV 0x00
56 #define ONE_TLV 0x10
57 #define TWO_TLV 0x20
58 #define MAX_TLV 0xF0
59
60 #define TTLV_T1 (ONE_MORE_TTLV|ONE_TLV)
61 #define TTLV_T2 (ONE_MORE_TTLV|MAX_TLV)
62
63 struct tom_h {
64 uint32_t v;
65 uint16_t flags;
66 uint16_t op_msk;
67 const char *s;
68 int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
69 uint16_t op_msk, int indent);
70 };
71
72 enum {
73 TOM_RSV_I,
74 TOM_ASS_I,
75 TOM_AST_I,
76 TOM_CFG_I,
77 TOM_QRY_I,
78 TOM_EVN_I,
79 TOM_RED_I,
80 TOM_HBT_I,
81 TOM_ASR_I,
82 TOM_CNR_I,
83 TOM_QRR_I,
84 _TOM_RSV_MAX
85 };
86 #define TOM_MAX_IND (_TOM_RSV_MAX - 1)
87
88 static inline int tom_valid(uint8_t tom)
89 {
90 if (tom > 0) {
91 if (tom >= 0x7 && tom <= 0xe)
92 return 0;
93 if (tom == 0x10)
94 return 0;
95 if (tom > 0x14)
96 return 0;
97 return 1;
98 } else
99 return 0;
100 }
101
102 static inline const char *ForCES_node(uint32_t node)
103 {
104 if (node <= 0x3FFFFFFF)
105 return "FE";
106 if (node >= 0x40000000 && node <= 0x7FFFFFFF)
107 return "CE";
108 if (node >= 0xC0000000 && node <= 0xFFFFFFEF)
109 return "AllMulticast";
110 if (node == 0xFFFFFFFD)
111 return "AllCEsBroadcast";
112 if (node == 0xFFFFFFFE)
113 return "AllFEsBroadcast";
114 if (node == 0xFFFFFFFF)
115 return "AllBroadcast";
116
117 return "ForCESreserved";
118
119 }
120
121 static const struct tok ForCES_ACKs[] = {
122 {0x0, "NoACK"},
123 {0x1, "SuccessACK"},
124 {0x2, "FailureACK"},
125 {0x3, "AlwaysACK"},
126 {0, NULL}
127 };
128
129 static const struct tok ForCES_EMs[] = {
130 {0x0, "EMReserved"},
131 {0x1, "execute-all-or-none"},
132 {0x2, "execute-until-failure"},
133 {0x3, "continue-execute-on-failure"},
134 {0, NULL}
135 };
136
137 static const struct tok ForCES_ATs[] = {
138 {0x0, "Standalone"},
139 {0x1, "2PCtransaction"},
140 {0, NULL}
141 };
142
143 static const struct tok ForCES_TPs[] = {
144 {0x0, "StartofTransaction"},
145 {0x1, "MiddleofTransaction"},
146 {0x2, "EndofTransaction"},
147 {0x3, "abort"},
148 {0, NULL}
149 };
150
151 /*
152 * Structure of forces header, naked of TLVs.
153 */
154 struct forcesh {
155 uint8_t fm_vrsvd; /* version and reserved */
156 #define ForCES_V(forcesh) ((forcesh)->fm_vrsvd >> 4)
157 uint8_t fm_tom; /* type of message */
158 uint16_t fm_len; /* total length * 4 bytes */
159 #define ForCES_BLN(forcesh) ((uint32_t)(EXTRACT_16BITS(&(forcesh)->fm_len) << 2))
160 uint32_t fm_sid; /* Source ID */
161 #define ForCES_SID(forcesh) EXTRACT_32BITS(&(forcesh)->fm_sid)
162 uint32_t fm_did; /* Destination ID */
163 #define ForCES_DID(forcesh) EXTRACT_32BITS(&(forcesh)->fm_did)
164 uint8_t fm_cor[8]; /* correlator */
165 uint32_t fm_flags; /* flags */
166 #define ForCES_ACK(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0xC0000000) >> 30)
167 #define ForCES_PRI(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x38000000) >> 27)
168 #define ForCES_RS1(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x07000000) >> 24)
169 #define ForCES_EM(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00C00000) >> 22)
170 #define ForCES_AT(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00200000) >> 21)
171 #define ForCES_TP(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00180000) >> 19)
172 #define ForCES_RS2(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x0007FFFF) >> 0)
173 };
174
175 #define ForCES_HLN_VALID(fhl,tlen) ((tlen) >= ForCES_HDRL && \
176 (fhl) >= ForCES_HDRL && \
177 (fhl) == (tlen))
178
179 #define F_LFB_RSVD 0x0
180 #define F_LFB_FEO 0x1
181 #define F_LFB_FEPO 0x2
182 static const struct tok ForCES_LFBs[] = {
183 {F_LFB_RSVD, "Invalid TLV"},
184 {F_LFB_FEO, "FEObj LFB"},
185 {F_LFB_FEPO, "FEProtoObj LFB"},
186 {0, NULL}
187 };
188
189 /* this is defined in RFC5810 section A.2 */
190 /* http://www.iana.org/assignments/forces/forces.xhtml#oper-tlv-types */
191 enum {
192 F_OP_RSV = 0,
193 F_OP_SET = 1,
194 F_OP_SETPROP = 2,
195 F_OP_SETRESP = 3,
196 F_OP_SETPRESP = 4,
197 F_OP_DEL = 5,
198 F_OP_DELRESP = 6,
199 F_OP_GET = 7,
200 F_OP_GETPROP = 8,
201 F_OP_GETRESP = 9,
202 F_OP_GETPRESP = 10,
203 F_OP_REPORT = 11,
204 F_OP_COMMIT = 12,
205 F_OP_RCOMMIT = 13,
206 F_OP_RTRCOMP = 14,
207 _F_OP_MAX
208 };
209 #define F_OP_MAX (_F_OP_MAX - 1)
210
211 enum {
212 B_OP_SET = 1 << (F_OP_SET - 1),
213 B_OP_SETPROP = 1 << (F_OP_SETPROP - 1),
214 B_OP_SETRESP = 1 << (F_OP_SETRESP - 1),
215 B_OP_SETPRESP = 1 << (F_OP_SETPRESP - 1),
216 B_OP_DEL = 1 << (F_OP_DEL - 1),
217 B_OP_DELRESP = 1 << (F_OP_DELRESP - 1),
218 B_OP_GET = 1 << (F_OP_GET - 1),
219 B_OP_GETPROP = 1 << (F_OP_GETPROP - 1),
220 B_OP_GETRESP = 1 << (F_OP_GETRESP - 1),
221 B_OP_GETPRESP = 1 << (F_OP_GETPRESP - 1),
222 B_OP_REPORT = 1 << (F_OP_REPORT - 1),
223 B_OP_COMMIT = 1 << (F_OP_COMMIT - 1),
224 B_OP_RCOMMIT = 1 << (F_OP_RCOMMIT - 1),
225 B_OP_RTRCOMP = 1 << (F_OP_RTRCOMP - 1),
226 };
227
228 struct optlv_h {
229 uint16_t flags;
230 uint16_t op_msk;
231 const char *s;
232 int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
233 uint16_t op_msk, int indent);
234 };
235
236 static int genoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
237 uint16_t op_msk, int indent);
238 static int recpdoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
239 uint16_t op_msk, int indent);
240 static int invoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
241 uint16_t op_msk, int indent);
242
243 #define OP_MIN_SIZ 8
244 struct pathdata_h {
245 uint16_t pflags;
246 uint16_t pIDcnt;
247 };
248
249 #define B_FULLD 0x1
250 #define B_SPARD 0x2
251 #define B_RESTV 0x4
252 #define B_KEYIN 0x8
253 #define B_APPND 0x10
254 #define B_TRNG 0x20
255
256 static const struct optlv_h OPTLV_msg[F_OP_MAX + 1] = {
257 /* F_OP_RSV */ {ZERO_TTLV, 0, "Invalid OPTLV", invoptlv_print},
258 /* F_OP_SET */ {TTLV_T2, B_FULLD | B_SPARD, " Set", recpdoptlv_print},
259 /* F_OP_SETPROP */
260 {TTLV_T2, B_FULLD | B_SPARD, " SetProp", recpdoptlv_print},
261 /* F_OP_SETRESP */ {TTLV_T2, B_RESTV, " SetResp", recpdoptlv_print},
262 /* F_OP_SETPRESP */ {TTLV_T2, B_RESTV, " SetPropResp", recpdoptlv_print},
263 /* F_OP_DEL */ {ZERO_TTLV, 0, " Del", recpdoptlv_print},
264 /* F_OP_DELRESP */ {TTLV_T2, B_RESTV, " DelResp", recpdoptlv_print},
265 /* F_OP_GET */ {ZERO_TTLV, 0, " Get", recpdoptlv_print},
266 /* F_OP_GETPROP */ {ZERO_TTLV, 0, " GetProp", recpdoptlv_print},
267 /* F_OP_GETRESP */
268 {TTLV_T2, B_FULLD | B_SPARD | B_RESTV, " GetResp", recpdoptlv_print},
269 /* F_OP_GETPRESP */
270 {TTLV_T2, B_FULLD | B_RESTV, " GetPropResp", recpdoptlv_print},
271 /* F_OP_REPORT */
272 {TTLV_T2, B_FULLD | B_SPARD, " Report", recpdoptlv_print},
273 /* F_OP_COMMIT */ {ZERO_TTLV, 0, " Commit", NULL},
274 /* F_OP_RCOMMIT */ {TTLV_T1, B_RESTV, " RCommit", genoptlv_print},
275 /* F_OP_RTRCOMP */ {ZERO_TTLV, 0, " RTRCOMP", NULL},
276 };
277
278 static inline const struct optlv_h *get_forces_optlv_h(uint16_t opt)
279 {
280 if (opt > F_OP_MAX || opt <= F_OP_RSV)
281 return &OPTLV_msg[F_OP_RSV];
282
283 return &OPTLV_msg[opt];
284 }
285
286 #define IND_SIZE 256
287 #define IND_CHR ' '
288 #define IND_PREF '\n'
289 #define IND_SUF 0x0
290 char ind_buf[IND_SIZE];
291
292 static inline char *indent_pr(int indent, int nlpref)
293 {
294 int i = 0;
295 char *r = ind_buf;
296
297 if (indent > (IND_SIZE - 1))
298 indent = IND_SIZE - 1;
299
300 if (nlpref) {
301 r[i] = IND_PREF;
302 i++;
303 indent--;
304 }
305
306 while (--indent >= 0)
307 r[i++] = IND_CHR;
308
309 r[i] = IND_SUF;
310 return r;
311 }
312
313 static inline int op_valid(uint16_t op, uint16_t mask)
314 {
315 int opb = 1 << (op - 1);
316
317 if (op == 0)
318 return 0;
319 if (opb & mask)
320 return 1;
321 /* I guess we should allow vendor operations? */
322 if (op >= 0x8000)
323 return 1;
324 return 0;
325 }
326
327 #define F_TLV_RSVD 0x0000
328 #define F_TLV_REDR 0x0001
329 #define F_TLV_ASRS 0x0010
330 #define F_TLV_ASRT 0x0011
331 #define F_TLV_LFBS 0x1000
332 #define F_TLV_PDAT 0x0110
333 #define F_TLV_KEYI 0x0111
334 #define F_TLV_FULD 0x0112
335 #define F_TLV_SPAD 0x0113
336 #define F_TLV_REST 0x0114
337 #define F_TLV_METD 0x0115
338 #define F_TLV_REDD 0x0116
339 #define F_TLV_TRNG 0x0117
340
341
342 #define F_TLV_VNST 0x8000
343
344 static const struct tok ForCES_TLV[] = {
345 {F_TLV_RSVD, "Invalid TLV"},
346 {F_TLV_REDR, "REDIRECT TLV"},
347 {F_TLV_ASRS, "ASResult TLV"},
348 {F_TLV_ASRT, "ASTreason TLV"},
349 {F_TLV_LFBS, "LFBselect TLV"},
350 {F_TLV_PDAT, "PATH-DATA TLV"},
351 {F_TLV_KEYI, "KEYINFO TLV"},
352 {F_TLV_FULD, "FULLDATA TLV"},
353 {F_TLV_SPAD, "SPARSEDATA TLV"},
354 {F_TLV_REST, "RESULT TLV"},
355 {F_TLV_METD, "METADATA TLV"},
356 {F_TLV_REDD, "REDIRECTDATA TLV"},
357 {0, NULL}
358 };
359
360 #define TLV_HLN 4
361 static inline int ttlv_valid(uint16_t ttlv)
362 {
363 if (ttlv > 0) {
364 if (ttlv == 1 || ttlv == 0x1000)
365 return 1;
366 if (ttlv >= 0x10 && ttlv <= 0x11)
367 return 1;
368 if (ttlv >= 0x110 && ttlv <= 0x116)
369 return 1;
370 if (ttlv >= 0x8000)
371 return 0; /* XXX: */
372 }
373
374 return 0;
375 }
376
377 struct forces_ilv {
378 uint32_t type;
379 uint32_t length;
380 };
381
382 struct forces_tlv {
383 uint16_t type;
384 uint16_t length;
385 };
386
387 #define F_ALN_LEN(len) ( ((len)+ForCES_ALNL-1) & ~(ForCES_ALNL-1) )
388 #define GET_TOP_TLV(fhdr) ((const struct forces_tlv *)((fhdr) + sizeof (struct forcesh)))
389 #define TLV_SET_LEN(len) (F_ALN_LEN(TLV_HDRL) + (len))
390 #define TLV_ALN_LEN(len) F_ALN_LEN(TLV_SET_LEN(len))
391 #define TLV_RDAT_LEN(tlv) ((int)(EXTRACT_16BITS(&(tlv)->length) - TLV_SET_LEN(0))
392 #define TLV_DATA(tlvp) ((const void*)(((const char*)(tlvp)) + TLV_SET_LEN(0)))
393 #define GO_NXT_TLV(tlv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length)), \
394 (const struct forces_tlv*)(((const char*)(tlv)) \
395 + F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length))))
396 #define ILV_SET_LEN(len) (F_ALN_LEN(ILV_HDRL) + (len))
397 #define ILV_ALN_LEN(len) F_ALN_LEN(ILV_SET_LEN(len))
398 #define ILV_RDAT_LEN(ilv) ((int)(EXTRACT_32BITS(&(ilv)->length)) - ILV_SET_LEN(0))
399 #define ILV_DATA(ilvp) ((const void*)(((const char*)(ilvp)) + ILV_SET_LEN(0)))
400 #define GO_NXT_ILV(ilv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length)), \
401 (const struct forces_ilv *)(((const char*)(ilv)) \
402 + F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length))))
403 #define INVALID_RLEN 1
404 #define INVALID_STLN 2
405 #define INVALID_LTLN 3
406 #define INVALID_ALEN 4
407
408 static const struct tok ForCES_TLV_err[] = {
409 {INVALID_RLEN, "Invalid total length"},
410 {INVALID_STLN, "xLV too short"},
411 {INVALID_LTLN, "xLV too long"},
412 {INVALID_ALEN, "data padding missing"},
413 {0, NULL}
414 };
415
416 static inline u_int tlv_valid(const struct forces_tlv *tlv, u_int rlen)
417 {
418 if (rlen < TLV_HDRL)
419 return INVALID_RLEN;
420 if (EXTRACT_16BITS(&tlv->length) < TLV_HDRL)
421 return INVALID_STLN;
422 if (EXTRACT_16BITS(&tlv->length) > rlen)
423 return INVALID_LTLN;
424 if (rlen < F_ALN_LEN(EXTRACT_16BITS(&tlv->length)))
425 return INVALID_ALEN;
426
427 return 0;
428 }
429
430 static inline int ilv_valid(const struct forces_ilv *ilv, u_int rlen)
431 {
432 if (rlen < ILV_HDRL)
433 return INVALID_RLEN;
434 if (EXTRACT_32BITS(&ilv->length) < ILV_HDRL)
435 return INVALID_STLN;
436 if (EXTRACT_32BITS(&ilv->length) > rlen)
437 return INVALID_LTLN;
438 if (rlen < F_ALN_LEN(EXTRACT_32BITS(&ilv->length)))
439 return INVALID_ALEN;
440
441 return 0;
442 }
443
444 static int lfbselect_print(netdissect_options *, register const u_char * pptr, register u_int len,
445 uint16_t op_msk, int indent);
446 static int redirect_print(netdissect_options *, register const u_char * pptr, register u_int len,
447 uint16_t op_msk, int indent);
448 static int asrtlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
449 uint16_t op_msk, int indent);
450 static int asttlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
451 uint16_t op_msk, int indent);
452
453 struct forces_lfbsh {
454 uint32_t class;
455 uint32_t instance;
456 };
457
458 #define ASSNS_OPS (B_OP_REPORT)
459 #define CFG_OPS (B_OP_SET|B_OP_SETPROP|B_OP_DEL|B_OP_COMMIT|B_OP_RTRCOMP)
460 #define CFG_ROPS (B_OP_SETRESP|B_OP_SETPRESP|B_OP_DELRESP|B_OP_RCOMMIT)
461 #define CFG_QY (B_OP_GET|B_OP_GETPROP)
462 #define CFG_QYR (B_OP_GETRESP|B_OP_GETPRESP)
463 #define CFG_EVN (B_OP_REPORT)
464
465 static const struct tom_h ForCES_msg[TOM_MAX_IND + 1] = {
466 /* TOM_RSV_I */ {TOM_RSVD, ZERO_TTLV, 0, "Invalid message", NULL},
467 /* TOM_ASS_I */ {TOM_ASSNSETUP, ZERO_MORE_TTLV | TWO_TLV, ASSNS_OPS,
468 "Association Setup", lfbselect_print},
469 /* TOM_AST_I */
470 {TOM_ASSNTEARD, TTLV_T1, 0, "Association TearDown", asttlv_print},
471 /* TOM_CFG_I */ {TOM_CONFIG, TTLV_T2, CFG_OPS, "Config", lfbselect_print},
472 /* TOM_QRY_I */ {TOM_QUERY, TTLV_T2, CFG_QY, "Query", lfbselect_print},
473 /* TOM_EVN_I */ {TOM_EVENTNOT, TTLV_T1, CFG_EVN, "Event Notification",
474 lfbselect_print},
475 /* TOM_RED_I */
476 {TOM_PKTREDIR, TTLV_T2, 0, "Packet Redirect", redirect_print},
477 /* TOM_HBT_I */ {TOM_HEARTBT, ZERO_TTLV, 0, "HeartBeat", NULL},
478 /* TOM_ASR_I */
479 {TOM_ASSNSETREP, TTLV_T1, 0, "Association Response", asrtlv_print},
480 /* TOM_CNR_I */ {TOM_CONFIGREP, TTLV_T2, CFG_ROPS, "Config Response",
481 lfbselect_print},
482 /* TOM_QRR_I */
483 {TOM_QUERYREP, TTLV_T2, CFG_QYR, "Query Response", lfbselect_print},
484 };
485
486 static inline const struct tom_h *get_forces_tom(uint8_t tom)
487 {
488 int i;
489 for (i = TOM_RSV_I; i <= TOM_MAX_IND; i++) {
490 const struct tom_h *th = &ForCES_msg[i];
491 if (th->v == tom)
492 return th;
493 }
494 return &ForCES_msg[TOM_RSV_I];
495 }
496
497 struct pdata_ops {
498 uint32_t v;
499 uint16_t flags;
500 uint16_t op_msk;
501 const char *s;
502 int (*print) (netdissect_options *, register const u_char * pptr, register u_int len,
503 uint16_t op_msk, int indent);
504 };
505
506 enum {
507 PD_RSV_I,
508 PD_SEL_I,
509 PD_FDT_I,
510 PD_SDT_I,
511 PD_RES_I,
512 PD_PDT_I,
513 _PD_RSV_MAX
514 };
515 #define PD_MAX_IND (_TOM_RSV_MAX - 1)
516
517 static inline int pd_valid(uint16_t pd)
518 {
519 if (pd >= F_TLV_PDAT && pd <= F_TLV_REST)
520 return 1;
521 return 0;
522 }
523
524 static inline void
525 chk_op_type(netdissect_options *ndo,
526 uint16_t type, uint16_t msk, uint16_t omsk)
527 {
528 if (type != F_TLV_PDAT) {
529 if (msk & B_KEYIN) {
530 if (type != F_TLV_KEYI) {
531 ND_PRINT((ndo, "Based on flags expected KEYINFO TLV!\n"));
532 }
533 } else {
534 if (!(msk & omsk)) {
535 ND_PRINT((ndo, "Illegal DATA encoding for type 0x%x programmed %x got %x \n",
536 type, omsk, msk));
537 }
538 }
539 }
540
541 }
542
543 #define F_SELKEY 1
544 #define F_SELTABRANGE 2
545 #define F_TABAPPEND 4
546
547 struct res_val {
548 uint8_t result;
549 uint8_t resv1;
550 uint16_t resv2;
551 };
552
553 static int prestlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
554 uint16_t op_msk, int indent);
555 static int pkeyitlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
556 uint16_t op_msk, int indent);
557 static int fdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
558 uint16_t op_msk, int indent);
559 static int sdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
560 uint16_t op_msk, int indent);
561
562 static const struct pdata_ops ForCES_pdata[PD_MAX_IND + 1] = {
563 /* PD_RSV_I */ {0, 0, 0, "Invalid message", NULL},
564 /* PD_SEL_I */ {F_TLV_KEYI, 0, 0, "KEYINFO TLV", pkeyitlv_print},
565 /* PD_FDT_I */ {F_TLV_FULD, 0, B_FULLD, "FULLDATA TLV", fdatatlv_print},
566 /* PD_SDT_I */ {F_TLV_SPAD, 0, B_SPARD, "SPARSEDATA TLV", sdatatlv_print},
567 /* PD_RES_I */ {F_TLV_REST, 0, B_RESTV, "RESULT TLV", prestlv_print},
568 /* PD_PDT_I */
569 {F_TLV_PDAT, 0, 0, "Inner PATH-DATA TLV", recpdoptlv_print},
570 };
571
572 static inline const struct pdata_ops *get_forces_pd(uint16_t pd)
573 {
574 int i;
575 for (i = PD_RSV_I + 1; i <= PD_MAX_IND; i++) {
576 const struct pdata_ops *pdo = &ForCES_pdata[i];
577 if (pdo->v == pd)
578 return pdo;
579 }
580 return &ForCES_pdata[TOM_RSV_I];
581 }
582
583 enum {
584 E_SUCCESS,
585 E_INVALID_HEADER,
586 E_LENGTH_MISMATCH,
587 E_VERSION_MISMATCH,
588 E_INVALID_DESTINATION_PID,
589 E_LFB_UNKNOWN,
590 E_LFB_NOT_FOUND,
591 E_LFB_INSTANCE_ID_NOT_FOUND,
592 E_INVALID_PATH,
593 E_COMPONENT_DOES_NOT_EXIST,
594 E_EXISTS,
595 E_NOT_FOUND,
596 E_READ_ONLY,
597 E_INVALID_ARRAY_CREATION,
598 E_VALUE_OUT_OF_RANGE,
599 E_CONTENTS_TOO_LONG,
600 E_INVALID_PARAMETERS,
601 E_INVALID_MESSAGE_TYPE,
602 E_INVALID_FLAGS,
603 E_INVALID_TLV,
604 E_EVENT_ERROR,
605 E_NOT_SUPPORTED,
606 E_MEMORY_ERROR,
607 E_INTERNAL_ERROR,
608 /* 0x18-0xFE are reserved .. */
609 E_UNSPECIFIED_ERROR = 0XFF
610 };
611
612 static const struct tok ForCES_errs[] = {
613 {E_SUCCESS, "SUCCESS"},
614 {E_INVALID_HEADER, "INVALID HEADER"},
615 {E_LENGTH_MISMATCH, "LENGTH MISMATCH"},
616 {E_VERSION_MISMATCH, "VERSION MISMATCH"},
617 {E_INVALID_DESTINATION_PID, "INVALID DESTINATION PID"},
618 {E_LFB_UNKNOWN, "LFB UNKNOWN"},
619 {E_LFB_NOT_FOUND, "LFB NOT FOUND"},
620 {E_LFB_INSTANCE_ID_NOT_FOUND, "LFB INSTANCE ID NOT FOUND"},
621 {E_INVALID_PATH, "INVALID PATH"},
622 {E_COMPONENT_DOES_NOT_EXIST, "COMPONENT DOES NOT EXIST"},
623 {E_EXISTS, "EXISTS ALREADY"},
624 {E_NOT_FOUND, "NOT FOUND"},
625 {E_READ_ONLY, "READ ONLY"},
626 {E_INVALID_ARRAY_CREATION, "INVALID ARRAY CREATION"},
627 {E_VALUE_OUT_OF_RANGE, "VALUE OUT OF RANGE"},
628 {E_CONTENTS_TOO_LONG, "CONTENTS TOO LONG"},
629 {E_INVALID_PARAMETERS, "INVALID PARAMETERS"},
630 {E_INVALID_MESSAGE_TYPE, "INVALID MESSAGE TYPE"},
631 {E_INVALID_FLAGS, "INVALID FLAGS"},
632 {E_INVALID_TLV, "INVALID TLV"},
633 {E_EVENT_ERROR, "EVENT ERROR"},
634 {E_NOT_SUPPORTED, "NOT SUPPORTED"},
635 {E_MEMORY_ERROR, "MEMORY ERROR"},
636 {E_INTERNAL_ERROR, "INTERNAL ERROR"},
637 {E_UNSPECIFIED_ERROR, "UNSPECIFIED ERROR"},
638 {0, NULL}
639 };
640
641 #define RESLEN 4
642
643 static int
644 prestlv_print(netdissect_options *ndo,
645 register const u_char * pptr, register u_int len,
646 uint16_t op_msk _U_, int indent)
647 {
648 const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
649 register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
650 const struct res_val *r = (const struct res_val *)tdp;
651 u_int dlen;
652
653 /*
654 * pdatacnt_print() has ensured that len (the TLV length)
655 * >= TLV_HDRL.
656 */
657 dlen = len - TLV_HDRL;
658 if (dlen != RESLEN) {
659 ND_PRINT((ndo, "illegal RESULT-TLV: %d bytes!\n", dlen));
660 return -1;
661 }
662
663 ND_TCHECK(*r);
664 if (r->result >= 0x18 && r->result <= 0xFE) {
665 ND_PRINT((ndo, "illegal reserved result code: 0x%x!\n", r->result));
666 return -1;
667 }
668
669 if (ndo->ndo_vflag >= 3) {
670 char *ib = indent_pr(indent, 0);
671 ND_PRINT((ndo, "%s Result: %s (code 0x%x)\n", ib,
672 tok2str(ForCES_errs, NULL, r->result), r->result));
673 }
674 return 0;
675
676 trunc:
677 ND_PRINT((ndo, "%s", tstr));
678 return -1;
679 }
680
681 static int
682 fdatatlv_print(netdissect_options *ndo,
683 register const u_char * pptr, register u_int len,
684 uint16_t op_msk _U_, int indent)
685 {
686 const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
687 u_int rlen;
688 register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
689 uint16_t type;
690
691 /*
692 * pdatacnt_print() or pkeyitlv_print() has ensured that len
693 * (the TLV length) >= TLV_HDRL.
694 */
695 rlen = len - TLV_HDRL;
696 ND_TCHECK(*tlv);
697 type = EXTRACT_16BITS(&tlv->type);
698 if (type != F_TLV_FULD) {
699 ND_PRINT((ndo, "Error: expecting FULLDATA!\n"));
700 return -1;
701 }
702
703 if (ndo->ndo_vflag >= 3) {
704 char *ib = indent_pr(indent + 2, 1);
705 ND_PRINT((ndo, "%s[", &ib[1]));
706 hex_print_with_offset(ndo, ib, tdp, rlen, 0);
707 ND_PRINT((ndo, "\n%s]\n", &ib[1]));
708 }
709 return 0;
710
711 trunc:
712 ND_PRINT((ndo, "%s", tstr));
713 return -1;
714 }
715
716 static int
717 sdatailv_print(netdissect_options *ndo,
718 register const u_char * pptr, register u_int len,
719 uint16_t op_msk _U_, int indent)
720 {
721 u_int rlen;
722 const struct forces_ilv *ilv = (const struct forces_ilv *)pptr;
723 int invilv;
724
725 if (len < ILV_HDRL) {
726 ND_PRINT((ndo, "Error: BAD SPARSEDATA-TLV!\n"));
727 return -1;
728 }
729 rlen = len;
730 indent += 1;
731 while (rlen != 0) {
732 #if 0
733 ND_PRINT((ndo, "Jamal - outstanding length <%d>\n", rlen));
734 #endif
735 char *ib = indent_pr(indent, 1);
736 register const u_char *tdp = (const u_char *) ILV_DATA(ilv);
737 ND_TCHECK(*ilv);
738 invilv = ilv_valid(ilv, rlen);
739 if (invilv) {
740 ND_PRINT((ndo, "%s[", &ib[1]));
741 hex_print_with_offset(ndo, ib, tdp, rlen, 0);
742 ND_PRINT((ndo, "\n%s]\n", &ib[1]));
743 return -1;
744 }
745 if (ndo->ndo_vflag >= 3) {
746 int ilvl = EXTRACT_32BITS(&ilv->length);
747 ND_PRINT((ndo, "\n%s ILV: type %x length %d\n", &ib[1],
748 EXTRACT_32BITS(&ilv->type), ilvl));
749 hex_print_with_offset(ndo, "\t\t[", tdp, ilvl-ILV_HDRL, 0);
750 }
751
752 ilv = GO_NXT_ILV(ilv, rlen);
753 }
754
755 return 0;
756
757 trunc:
758 ND_PRINT((ndo, "%s", tstr));
759 return -1;
760 }
761
762 static int
763 sdatatlv_print(netdissect_options *ndo,
764 register const u_char * pptr, register u_int len,
765 uint16_t op_msk, int indent)
766 {
767 const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
768 u_int rlen;
769 register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
770 uint16_t type;
771
772 /*
773 * pdatacnt_print() has ensured that len (the TLV length)
774 * >= TLV_HDRL.
775 */
776 rlen = len - TLV_HDRL;
777 ND_TCHECK(*tlv);
778 type = EXTRACT_16BITS(&tlv->type);
779 if (type != F_TLV_SPAD) {
780 ND_PRINT((ndo, "Error: expecting SPARSEDATA!\n"));
781 return -1;
782 }
783
784 return sdatailv_print(ndo, tdp, rlen, op_msk, indent);
785
786 trunc:
787 ND_PRINT((ndo, "%s", tstr));
788 return -1;
789 }
790
791 static int
792 pkeyitlv_print(netdissect_options *ndo,
793 register const u_char * pptr, register u_int len,
794 uint16_t op_msk, int indent)
795 {
796 const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
797 register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
798 register const u_char *dp = tdp + 4;
799 const struct forces_tlv *kdtlv = (const struct forces_tlv *)dp;
800 uint32_t id;
801 char *ib = indent_pr(indent, 0);
802 uint16_t type, tll;
803 u_int invtlv;
804
805 ND_TCHECK(*tdp);
806 id = EXTRACT_32BITS(tdp);
807 ND_PRINT((ndo, "%sKeyinfo: Key 0x%x\n", ib, id));
808 ND_TCHECK(*kdtlv);
809 type = EXTRACT_16BITS(&kdtlv->type);
810 invtlv = tlv_valid(kdtlv, len);
811
812 if (invtlv) {
813 ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
814 tok2str(ForCES_TLV_err, NULL, invtlv), type,
815 EXTRACT_16BITS(&kdtlv->length)));
816 return -1;
817 }
818 /*
819 * At this point, tlv_valid() has ensured that the TLV
820 * length is large enough but not too large (it doesn't
821 * go past the end of the containing TLV).
822 */
823 tll = EXTRACT_16BITS(&kdtlv->length);
824 dp = (const u_char *) TLV_DATA(kdtlv);
825 return fdatatlv_print(ndo, dp, tll, op_msk, indent);
826
827 trunc:
828 ND_PRINT((ndo, "%s", tstr));
829 return -1;
830 }
831
832 #define PTH_DESC_SIZE 12
833
834 static int
835 pdatacnt_print(netdissect_options *ndo,
836 register const u_char * pptr, register u_int len,
837 uint16_t IDcnt, uint16_t op_msk, int indent)
838 {
839 u_int i;
840 uint32_t id;
841 char *ib = indent_pr(indent, 0);
842
843 if ((op_msk & B_APPND) && ndo->ndo_vflag >= 3) {
844 ND_PRINT((ndo, "%sTABLE APPEND\n", ib));
845 }
846 for (i = 0; i < IDcnt; i++) {
847 ND_TCHECK2(*pptr, 4);
848 if (len < 4)
849 goto trunc;
850 id = EXTRACT_32BITS(pptr);
851 if (ndo->ndo_vflag >= 3)
852 ND_PRINT((ndo, "%sID#%02u: %d\n", ib, i + 1, id));
853 len -= 4;
854 pptr += 4;
855 }
856
857 if ((op_msk & B_TRNG) || (op_msk & B_KEYIN)) {
858 if (op_msk & B_TRNG) {
859 uint32_t starti, endi;
860
861 if (len < PTH_DESC_SIZE) {
862 ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
863 len, PTH_DESC_SIZE));
864 return -1;
865 }
866
867 pptr += sizeof(struct forces_tlv);
868 len -= sizeof(struct forces_tlv);
869
870 starti = EXTRACT_32BITS(pptr);
871 pptr += 4;
872 len -= 4;
873
874 endi = EXTRACT_32BITS(pptr);
875 pptr += 4;
876 len -= 4;
877
878 if (ndo->ndo_vflag >= 3)
879 ND_PRINT((ndo, "%sTable range: [%d,%d]\n", ib, starti, endi));
880 }
881
882 if (op_msk & B_KEYIN) {
883 const struct forces_tlv *keytlv;
884 uint16_t tll;
885
886 if (len < PTH_DESC_SIZE) {
887 ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
888 len, PTH_DESC_SIZE));
889 return -1;
890 }
891
892 /* skip keyid */
893 pptr += 4;
894 len -= 4;
895 keytlv = (const struct forces_tlv *)pptr;
896 /* skip header */
897 pptr += sizeof(struct forces_tlv);
898 len -= sizeof(struct forces_tlv);
899 /* skip key content */
900 tll = EXTRACT_16BITS(&keytlv->length);
901 if (tll < TLV_HDRL) {
902 ND_PRINT((ndo, "key content length %u < %u\n",
903 tll, TLV_HDRL));
904 return -1;
905 }
906 tll -= TLV_HDRL;
907 if (len < tll) {
908 ND_PRINT((ndo, "key content too short\n"));
909 return -1;
910 }
911 pptr += tll;
912 len -= tll;
913 }
914
915 }
916
917 if (len) {
918 const struct forces_tlv *pdtlv = (const struct forces_tlv *)pptr;
919 uint16_t type;
920 uint16_t tll;
921 int pad = 0;
922 u_int aln;
923 u_int invtlv;
924
925 ND_TCHECK(*pdtlv);
926 type = EXTRACT_16BITS(&pdtlv->type);
927 invtlv = tlv_valid(pdtlv, len);
928 if (invtlv) {
929 ND_PRINT((ndo, "%s Outstanding bytes %d for TLV type 0x%x TLV len %d\n",
930 tok2str(ForCES_TLV_err, NULL, invtlv), len, type,
931 EXTRACT_16BITS(&pdtlv->length)));
932 goto pd_err;
933 }
934 /*
935 * At this point, tlv_valid() has ensured that the TLV
936 * length is large enough but not too large (it doesn't
937 * go past the end of the containing TLV).
938 */
939 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
940 aln = F_ALN_LEN(EXTRACT_16BITS(&pdtlv->length));
941 if (aln > EXTRACT_16BITS(&pdtlv->length)) {
942 if (aln > len) {
943 ND_PRINT((ndo,
944 "Invalid padded pathdata TLV type 0x%x len %d missing %d pad bytes\n",
945 type, EXTRACT_16BITS(&pdtlv->length), aln - len));
946 } else {
947 pad = aln - EXTRACT_16BITS(&pdtlv->length);
948 }
949 }
950 if (pd_valid(type)) {
951 const struct pdata_ops *ops = get_forces_pd(type);
952
953 if (ndo->ndo_vflag >= 3 && ops->v != F_TLV_PDAT) {
954 if (pad)
955 ND_PRINT((ndo, "%s %s (Length %d DataLen %d pad %d Bytes)\n",
956 ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll, pad));
957 else
958 ND_PRINT((ndo, "%s %s (Length %d DataLen %d Bytes)\n",
959 ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll));
960 }
961
962 chk_op_type(ndo, type, op_msk, ops->op_msk);
963
964 if (ops->print(ndo, (const u_char *)pdtlv,
965 tll + pad + TLV_HDRL, op_msk,
966 indent + 2) == -1)
967 return -1;
968 len -= (TLV_HDRL + pad + tll);
969 } else {
970 ND_PRINT((ndo, "Invalid path data content type 0x%x len %d\n",
971 type, EXTRACT_16BITS(&pdtlv->length)));
972 pd_err:
973 if (EXTRACT_16BITS(&pdtlv->length)) {
974 hex_print_with_offset(ndo, "Bad Data val\n\t [",
975 pptr, len, 0);
976 ND_PRINT((ndo, "]\n"));
977
978 return -1;
979 }
980 }
981 }
982 return len;
983
984 trunc:
985 ND_PRINT((ndo, "%s", tstr));
986 return -1;
987 }
988
989 static int
990 pdata_print(netdissect_options *ndo,
991 register const u_char * pptr, register u_int len,
992 uint16_t op_msk, int indent)
993 {
994 const struct pathdata_h *pdh = (const struct pathdata_h *)pptr;
995 char *ib = indent_pr(indent, 0);
996 u_int minsize = 0;
997 int more_pd = 0;
998 uint16_t idcnt = 0;
999
1000 ND_TCHECK(*pdh);
1001 if (len < sizeof(struct pathdata_h))
1002 goto trunc;
1003 if (ndo->ndo_vflag >= 3) {
1004 ND_PRINT((ndo, "\n%sPathdata: Flags 0x%x ID count %d\n",
1005 ib, EXTRACT_16BITS(&pdh->pflags), EXTRACT_16BITS(&pdh->pIDcnt)));
1006 }
1007
1008 if (EXTRACT_16BITS(&pdh->pflags) & F_SELKEY) {
1009 op_msk |= B_KEYIN;
1010 }
1011
1012 /* Table GET Range operation */
1013 if (EXTRACT_16BITS(&pdh->pflags) & F_SELTABRANGE) {
1014 op_msk |= B_TRNG;
1015 }
1016 /* Table SET append operation */
1017 if (EXTRACT_16BITS(&pdh->pflags) & F_TABAPPEND) {
1018 op_msk |= B_APPND;
1019 }
1020
1021 pptr += sizeof(struct pathdata_h);
1022 len -= sizeof(struct pathdata_h);
1023 idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
1024 minsize = idcnt * 4;
1025 if (len < minsize) {
1026 ND_PRINT((ndo, "\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
1027 len));
1028 hex_print_with_offset(ndo, "\t\t\tID Data[", pptr, len, 0);
1029 ND_PRINT((ndo, "]\n"));
1030 return -1;
1031 }
1032
1033 if ((op_msk & B_TRNG) && (op_msk & B_KEYIN)) {
1034 ND_PRINT((ndo, "\t\t\tIllegal to have both Table ranges and keys\n"));
1035 return -1;
1036 }
1037
1038 more_pd = pdatacnt_print(ndo, pptr, len, idcnt, op_msk, indent);
1039 if (more_pd > 0) {
1040 int consumed = len - more_pd;
1041 pptr += consumed;
1042 len = more_pd;
1043 /* XXX: Argh, recurse some more */
1044 return recpdoptlv_print(ndo, pptr, len, op_msk, indent+1);
1045 } else
1046 return 0;
1047
1048 trunc:
1049 ND_PRINT((ndo, "%s", tstr));
1050 return -1;
1051 }
1052
1053 static int
1054 genoptlv_print(netdissect_options *ndo,
1055 register const u_char * pptr, register u_int len,
1056 uint16_t op_msk, int indent)
1057 {
1058 const struct forces_tlv *pdtlv = (const struct forces_tlv *)pptr;
1059 uint16_t type;
1060 int tll;
1061 u_int invtlv;
1062 char *ib = indent_pr(indent, 0);
1063
1064 ND_TCHECK(*pdtlv);
1065 type = EXTRACT_16BITS(&pdtlv->type);
1066 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
1067 invtlv = tlv_valid(pdtlv, len);
1068 ND_PRINT((ndo, "genoptlvprint - %s TLV type 0x%x len %d\n",
1069 tok2str(ForCES_TLV, NULL, type), type, EXTRACT_16BITS(&pdtlv->length)));
1070 if (!invtlv) {
1071 /*
1072 * At this point, tlv_valid() has ensured that the TLV
1073 * length is large enough but not too large (it doesn't
1074 * go past the end of the containing TLV).
1075 */
1076 register const u_char *dp = (const u_char *) TLV_DATA(pdtlv);
1077 if (!ttlv_valid(type)) {
1078 ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
1079 tok2str(ForCES_TLV_err, NULL, invtlv), type,
1080 EXTRACT_16BITS(&pdtlv->length)));
1081 return -1;
1082 }
1083 if (ndo->ndo_vflag >= 3)
1084 ND_PRINT((ndo, "%s%s, length %d (data length %d Bytes)",
1085 ib, tok2str(ForCES_TLV, NULL, type),
1086 EXTRACT_16BITS(&pdtlv->length), tll));
1087
1088 return pdata_print(ndo, dp, tll, op_msk, indent + 1);
1089 } else {
1090 ND_PRINT((ndo, "\t\t\tInvalid ForCES TLV type=%x", type));
1091 return -1;
1092 }
1093
1094 trunc:
1095 ND_PRINT((ndo, "%s", tstr));
1096 return -1;
1097 }
1098
1099 static int
1100 recpdoptlv_print(netdissect_options *ndo,
1101 register const u_char * pptr, register u_int len,
1102 uint16_t op_msk, int indent)
1103 {
1104 const struct forces_tlv *pdtlv = (const struct forces_tlv *)pptr;
1105 int tll;
1106 u_int invtlv;
1107 uint16_t type;
1108 register const u_char *dp;
1109 char *ib;
1110
1111 while (len != 0) {
1112 ND_TCHECK(*pdtlv);
1113 invtlv = tlv_valid(pdtlv, len);
1114 if (invtlv) {
1115 break;
1116 }
1117
1118 /*
1119 * At this point, tlv_valid() has ensured that the TLV
1120 * length is large enough but not too large (it doesn't
1121 * go past the end of the containing TLV).
1122 */
1123 ib = indent_pr(indent, 0);
1124 type = EXTRACT_16BITS(&pdtlv->type);
1125 dp = (const u_char *) TLV_DATA(pdtlv);
1126 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
1127
1128 if (ndo->ndo_vflag >= 3)
1129 ND_PRINT((ndo, "%s%s, length %d (data encapsulated %d Bytes)",
1130 ib, tok2str(ForCES_TLV, NULL, type),
1131 EXTRACT_16BITS(&pdtlv->length),
1132 EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL));
1133
1134 if (pdata_print(ndo, dp, tll, op_msk, indent + 1) == -1)
1135 return -1;
1136 pdtlv = GO_NXT_TLV(pdtlv, len);
1137 }
1138
1139 if (len) {
1140 ND_PRINT((ndo,
1141 "\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1142 EXTRACT_16BITS(&pdtlv->type), len - EXTRACT_16BITS(&pdtlv->length)));
1143 return -1;
1144 }
1145
1146 return 0;
1147
1148 trunc:
1149 ND_PRINT((ndo, "%s", tstr));
1150 return -1;
1151 }
1152
1153 static int
1154 invoptlv_print(netdissect_options *ndo,
1155 register const u_char * pptr, register u_int len,
1156 uint16_t op_msk _U_, int indent)
1157 {
1158 char *ib = indent_pr(indent, 1);
1159
1160 if (ndo->ndo_vflag >= 3) {
1161 ND_PRINT((ndo, "%sData[", &ib[1]));
1162 hex_print_with_offset(ndo, ib, pptr, len, 0);
1163 ND_PRINT((ndo, "%s]\n", ib));
1164 }
1165 return -1;
1166 }
1167
1168 static int
1169 otlv_print(netdissect_options *ndo,
1170 const struct forces_tlv *otlv, uint16_t op_msk _U_, int indent)
1171 {
1172 int rc = 0;
1173 register const u_char *dp = (const u_char *) TLV_DATA(otlv);
1174 uint16_t type;
1175 int tll;
1176 char *ib = indent_pr(indent, 0);
1177 const struct optlv_h *ops;
1178
1179 /*
1180 * lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
1181 * >= TLV_HDRL.
1182 */
1183 ND_TCHECK(*otlv);
1184 type = EXTRACT_16BITS(&otlv->type);
1185 tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
1186 ops = get_forces_optlv_h(type);
1187 if (ndo->ndo_vflag >= 3) {
1188 ND_PRINT((ndo, "%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
1189 EXTRACT_16BITS(&otlv->length)));
1190 }
1191 /* rest of ops must at least have 12B {pathinfo} */
1192 if (tll < OP_MIN_SIZ) {
1193 ND_PRINT((ndo, "\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
1194 EXTRACT_16BITS(&otlv->length)));
1195 ND_PRINT((ndo, "\t\tTruncated data size %d minimum required %d\n", tll,
1196 OP_MIN_SIZ));
1197 return invoptlv_print(ndo, dp, tll, ops->op_msk, indent);
1198
1199 }
1200
1201 /* XXX - do anything with ops->flags? */
1202 if(ops->print) {
1203 rc = ops->print(ndo, dp, tll, ops->op_msk, indent + 1);
1204 }
1205 return rc;
1206
1207 trunc:
1208 ND_PRINT((ndo, "%s", tstr));
1209 return -1;
1210 }
1211
1212 #define ASTDLN 4
1213 #define ASTMCD 255
1214 static int
1215 asttlv_print(netdissect_options *ndo,
1216 register const u_char * pptr, register u_int len,
1217 uint16_t op_msk _U_, int indent)
1218 {
1219 uint32_t rescode;
1220 u_int dlen;
1221 char *ib = indent_pr(indent, 0);
1222
1223 /*
1224 * forces_type_print() has ensured that len (the TLV length)
1225 * >= TLV_HDRL.
1226 */
1227 dlen = len - TLV_HDRL;
1228 if (dlen != ASTDLN) {
1229 ND_PRINT((ndo, "illegal ASTresult-TLV: %d bytes!\n", dlen));
1230 return -1;
1231 }
1232 ND_TCHECK2(*pptr, 4);
1233 rescode = EXTRACT_32BITS(pptr);
1234 if (rescode > ASTMCD) {
1235 ND_PRINT((ndo, "illegal ASTresult result code: %d!\n", rescode));
1236 return -1;
1237 }
1238
1239 if (ndo->ndo_vflag >= 3) {
1240 ND_PRINT((ndo, "Teardown reason:\n%s", ib));
1241 switch (rescode) {
1242 case 0:
1243 ND_PRINT((ndo, "Normal Teardown"));
1244 break;
1245 case 1:
1246 ND_PRINT((ndo, "Loss of Heartbeats"));
1247 break;
1248 case 2:
1249 ND_PRINT((ndo, "Out of bandwidth"));
1250 break;
1251 case 3:
1252 ND_PRINT((ndo, "Out of Memory"));
1253 break;
1254 case 4:
1255 ND_PRINT((ndo, "Application Crash"));
1256 break;
1257 default:
1258 ND_PRINT((ndo, "Unknown Teardown reason"));
1259 break;
1260 }
1261 ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
1262 }
1263 return 0;
1264
1265 trunc:
1266 ND_PRINT((ndo, "%s", tstr));
1267 return -1;
1268 }
1269
1270 #define ASRDLN 4
1271 #define ASRMCD 3
1272 static int
1273 asrtlv_print(netdissect_options *ndo,
1274 register const u_char * pptr, register u_int len,
1275 uint16_t op_msk _U_, int indent)
1276 {
1277 uint32_t rescode;
1278 u_int dlen;
1279 char *ib = indent_pr(indent, 0);
1280
1281 /*
1282 * forces_type_print() has ensured that len (the TLV length)
1283 * >= TLV_HDRL.
1284 */
1285 dlen = len - TLV_HDRL;
1286 if (dlen != ASRDLN) { /* id, instance, oper tlv */
1287 ND_PRINT((ndo, "illegal ASRresult-TLV: %d bytes!\n", dlen));
1288 return -1;
1289 }
1290 ND_TCHECK2(*pptr, 4);
1291 rescode = EXTRACT_32BITS(pptr);
1292
1293 if (rescode > ASRMCD) {
1294 ND_PRINT((ndo, "illegal ASRresult result code: %d!\n", rescode));
1295 return -1;
1296 }
1297
1298 if (ndo->ndo_vflag >= 3) {
1299 ND_PRINT((ndo, "\n%s", ib));
1300 switch (rescode) {
1301 case 0:
1302 ND_PRINT((ndo, "Success "));
1303 break;
1304 case 1:
1305 ND_PRINT((ndo, "FE ID invalid "));
1306 break;
1307 case 2:
1308 ND_PRINT((ndo, "permission denied "));
1309 break;
1310 default:
1311 ND_PRINT((ndo, "Unknown "));
1312 break;
1313 }
1314 ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
1315 }
1316 return 0;
1317
1318 trunc:
1319 ND_PRINT((ndo, "%s", tstr));
1320 return -1;
1321 }
1322
1323 #if 0
1324 /*
1325 * XXX - not used.
1326 */
1327 static int
1328 gentltlv_print(netdissect_options *ndo,
1329 register const u_char * pptr _U_, register u_int len,
1330 uint16_t op_msk _U_, int indent _U_)
1331 {
1332 u_int dlen = len - TLV_HDRL;
1333
1334 if (dlen < 4) { /* at least 32 bits must exist */
1335 ND_PRINT((ndo, "truncated TLV: %d bytes missing! ", 4 - dlen));
1336 return -1;
1337 }
1338 return 0;
1339 }
1340 #endif
1341
1342 #define RD_MIN 8
1343
1344 static int
1345 print_metailv(netdissect_options *ndo,
1346 register const u_char * pptr, uint16_t op_msk _U_, int indent)
1347 {
1348 u_int rlen;
1349 char *ib = indent_pr(indent, 0);
1350 /* XXX: check header length */
1351 const struct forces_ilv *ilv = (const struct forces_ilv *)pptr;
1352
1353 /*
1354 * print_metatlv() has ensured that len (what remains in the
1355 * ILV) >= ILV_HDRL.
1356 */
1357 rlen = EXTRACT_32BITS(&ilv->length) - ILV_HDRL;
1358 ND_TCHECK(*ilv);
1359 ND_PRINT((ndo, "%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
1360 EXTRACT_32BITS(&ilv->length)));
1361 if (ndo->ndo_vflag >= 3) {
1362 hex_print_with_offset(ndo, "\t\t[", ILV_DATA(ilv), rlen, 0);
1363 ND_PRINT((ndo, " ]\n"));
1364 }
1365 return 0;
1366
1367 trunc:
1368 ND_PRINT((ndo, "%s", tstr));
1369 return -1;
1370 }
1371
1372 static int
1373 print_metatlv(netdissect_options *ndo,
1374 register const u_char * pptr, register u_int len,
1375 uint16_t op_msk _U_, int indent)
1376 {
1377 u_int dlen;
1378 char *ib = indent_pr(indent, 0);
1379 u_int rlen;
1380 const struct forces_ilv *ilv = (const struct forces_ilv *)pptr;
1381 int invilv;
1382
1383 /*
1384 * redirect_print() has ensured that len (what remains in the
1385 * TLV) >= TLV_HDRL.
1386 */
1387 dlen = len - TLV_HDRL;
1388 rlen = dlen;
1389 ND_PRINT((ndo, "\n%s METADATA length %d \n", ib, rlen));
1390 while (rlen != 0) {
1391 ND_TCHECK(*ilv);
1392 invilv = ilv_valid(ilv, rlen);
1393 if (invilv) {
1394 break;
1395 }
1396
1397 /*
1398 * At this point, ilv_valid() has ensured that the ILV
1399 * length is large enough but not too large (it doesn't
1400 * go past the end of the containing TLV).
1401 */
1402 print_metailv(ndo, (const u_char *) ilv, 0, indent + 1);
1403 ilv = GO_NXT_ILV(ilv, rlen);
1404 }
1405
1406 return 0;
1407
1408 trunc:
1409 ND_PRINT((ndo, "%s", tstr));
1410 return -1;
1411 }
1412
1413
1414 static int
1415 print_reddata(netdissect_options *ndo,
1416 register const u_char * pptr, register u_int len,
1417 uint16_t op_msk _U_, int indent _U_)
1418 {
1419 u_int dlen;
1420 char *ib = indent_pr(indent, 0);
1421 u_int rlen;
1422
1423 dlen = len - TLV_HDRL;
1424 rlen = dlen;
1425 ND_PRINT((ndo, "\n%s Redirect Data length %d \n", ib, rlen));
1426
1427 if (ndo->ndo_vflag >= 3) {
1428 ND_PRINT((ndo, "\t\t["));
1429 hex_print_with_offset(ndo, "\n\t\t", pptr, rlen, 0);
1430 ND_PRINT((ndo, "\n\t\t]"));
1431 }
1432
1433 return 0;
1434 }
1435
1436 static int
1437 redirect_print(netdissect_options *ndo,
1438 register const u_char * pptr, register u_int len,
1439 uint16_t op_msk _U_, int indent)
1440 {
1441 const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
1442 u_int dlen;
1443 u_int rlen;
1444 u_int invtlv;
1445
1446 /*
1447 * forces_type_print() has ensured that len (the TLV length)
1448 * >= TLV_HDRL.
1449 */
1450 dlen = len - TLV_HDRL;
1451 if (dlen <= RD_MIN) {
1452 ND_PRINT((ndo, "\n\t\ttruncated Redirect TLV: %d bytes missing! ",
1453 RD_MIN - dlen));
1454 return -1;
1455 }
1456
1457 rlen = dlen;
1458 indent += 1;
1459 while (rlen != 0) {
1460 ND_TCHECK(*tlv);
1461 invtlv = tlv_valid(tlv, rlen);
1462 if (invtlv) {
1463 ND_PRINT((ndo, "Bad Redirect data\n"));
1464 break;
1465 }
1466
1467 /*
1468 * At this point, tlv_valid() has ensured that the TLV
1469 * length is large enough but not too large (it doesn't
1470 * go past the end of the containing TLV).
1471 */
1472 if (EXTRACT_16BITS(&tlv->type) == F_TLV_METD) {
1473 print_metatlv(ndo, (const u_char *) TLV_DATA(tlv),
1474 EXTRACT_16BITS(&tlv->length), 0, indent);
1475 } else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
1476 print_reddata(ndo, (const u_char *) TLV_DATA(tlv),
1477 EXTRACT_16BITS(&tlv->length), 0, indent);
1478 } else {
1479 ND_PRINT((ndo, "Unknown REDIRECT TLV 0x%x len %d\n",
1480 EXTRACT_16BITS(&tlv->type),
1481 EXTRACT_16BITS(&tlv->length)));
1482 }
1483
1484 tlv = GO_NXT_TLV(tlv, rlen);
1485 }
1486
1487 if (rlen) {
1488 ND_PRINT((ndo,
1489 "\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1490 EXTRACT_16BITS(&tlv->type),
1491 rlen - EXTRACT_16BITS(&tlv->length)));
1492 return -1;
1493 }
1494
1495 return 0;
1496
1497 trunc:
1498 ND_PRINT((ndo, "%s", tstr));
1499 return -1;
1500 }
1501
1502 #define OP_OFF 8
1503 #define OP_MIN 12
1504
1505 static int
1506 lfbselect_print(netdissect_options *ndo,
1507 register const u_char * pptr, register u_int len,
1508 uint16_t op_msk, int indent)
1509 {
1510 const struct forces_lfbsh *lfbs;
1511 const struct forces_tlv *otlv;
1512 char *ib = indent_pr(indent, 0);
1513 u_int dlen;
1514 u_int rlen;
1515 u_int invtlv;
1516
1517 /*
1518 * forces_type_print() has ensured that len (the TLV length)
1519 * >= TLV_HDRL.
1520 */
1521 dlen = len - TLV_HDRL;
1522 if (dlen <= OP_MIN) { /* id, instance, oper tlv header .. */
1523 ND_PRINT((ndo, "\n\t\ttruncated lfb selector: %d bytes missing! ",
1524 OP_MIN - dlen));
1525 return -1;
1526 }
1527
1528 /*
1529 * At this point, we know that dlen > OP_MIN; OP_OFF < OP_MIN, so
1530 * we also know that it's > OP_OFF.
1531 */
1532 rlen = dlen - OP_OFF;
1533
1534 lfbs = (const struct forces_lfbsh *)pptr;
1535 ND_TCHECK(*lfbs);
1536 if (ndo->ndo_vflag >= 3) {
1537 ND_PRINT((ndo, "\n%s%s(Classid %x) instance %x\n",
1538 ib, tok2str(ForCES_LFBs, NULL, EXTRACT_32BITS(&lfbs->class)),
1539 EXTRACT_32BITS(&lfbs->class),
1540 EXTRACT_32BITS(&lfbs->instance)));
1541 }
1542
1543 otlv = (const struct forces_tlv *)(lfbs + 1);
1544
1545 indent += 1;
1546 while (rlen != 0) {
1547 ND_TCHECK(*otlv);
1548 invtlv = tlv_valid(otlv, rlen);
1549 if (invtlv)
1550 break;
1551
1552 /*
1553 * At this point, tlv_valid() has ensured that the TLV
1554 * length is large enough but not too large (it doesn't
1555 * go past the end of the containing TLV).
1556 */
1557 if (op_valid(EXTRACT_16BITS(&otlv->type), op_msk)) {
1558 otlv_print(ndo, otlv, 0, indent);
1559 } else {
1560 if (ndo->ndo_vflag < 3)
1561 ND_PRINT((ndo, "\n"));
1562 ND_PRINT((ndo,
1563 "\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
1564 EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length)));
1565 invoptlv_print(ndo, (const u_char *)otlv, rlen, 0, indent);
1566 }
1567 otlv = GO_NXT_TLV(otlv, rlen);
1568 }
1569
1570 if (rlen) {
1571 ND_PRINT((ndo,
1572 "\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1573 EXTRACT_16BITS(&otlv->type), rlen - EXTRACT_16BITS(&otlv->length)));
1574 return -1;
1575 }
1576
1577 return 0;
1578
1579 trunc:
1580 ND_PRINT((ndo, "%s", tstr));
1581 return -1;
1582 }
1583
1584 static int
1585 forces_type_print(netdissect_options *ndo,
1586 register const u_char * pptr, const struct forcesh *fhdr _U_,
1587 register u_int mlen, const struct tom_h *tops)
1588 {
1589 const struct forces_tlv *tltlv;
1590 u_int rlen;
1591 u_int invtlv;
1592 int rc = 0;
1593 int ttlv = 0;
1594
1595 /*
1596 * forces_print() has already checked that mlen >= ForCES_HDRL
1597 * by calling ForCES_HLN_VALID().
1598 */
1599 rlen = mlen - ForCES_HDRL;
1600
1601 if (rlen > TLV_HLN) {
1602 if (tops->flags & ZERO_TTLV) {
1603 ND_PRINT((ndo, "<0x%x>Illegal Top level TLV!\n", tops->flags));
1604 return -1;
1605 }
1606 } else {
1607 if (tops->flags & ZERO_MORE_TTLV)
1608 return 0;
1609 if (tops->flags & ONE_MORE_TTLV) {
1610 ND_PRINT((ndo, "\tTop level TLV Data missing!\n"));
1611 return -1;
1612 }
1613 }
1614
1615 if (tops->flags & ZERO_TTLV) {
1616 return 0;
1617 }
1618
1619 ttlv = tops->flags >> 4;
1620 tltlv = GET_TOP_TLV(pptr);
1621
1622 /*XXX: 15 top level tlvs will probably be fine
1623 You are nuts if you send more ;-> */
1624 while (rlen != 0) {
1625 ND_TCHECK(*tltlv);
1626 invtlv = tlv_valid(tltlv, rlen);
1627 if (invtlv)
1628 break;
1629
1630 /*
1631 * At this point, tlv_valid() has ensured that the TLV
1632 * length is large enough but not too large (it doesn't
1633 * go past the end of the packet).
1634 */
1635 if (!ttlv_valid(EXTRACT_16BITS(&tltlv->type))) {
1636 ND_PRINT((ndo, "\n\tInvalid ForCES Top TLV type=0x%x",
1637 EXTRACT_16BITS(&tltlv->type)));
1638 return -1;
1639 }
1640
1641 if (ndo->ndo_vflag >= 3)
1642 ND_PRINT((ndo, "\t%s, length %d (data length %d Bytes)",
1643 tok2str(ForCES_TLV, NULL, EXTRACT_16BITS(&tltlv->type)),
1644 EXTRACT_16BITS(&tltlv->length),
1645 EXTRACT_16BITS(&tltlv->length) - TLV_HDRL));
1646
1647 rc = tops->print(ndo, (const u_char *) TLV_DATA(tltlv),
1648 EXTRACT_16BITS(&tltlv->length), tops->op_msk, 9);
1649 if (rc < 0) {
1650 return -1;
1651 }
1652 tltlv = GO_NXT_TLV(tltlv, rlen);
1653 ttlv--;
1654 if (ttlv <= 0)
1655 break;
1656 }
1657 /*
1658 * XXX - if ttlv != 0, does that mean that the packet was too
1659 * short, and didn't have *enough* TLVs in it?
1660 */
1661 if (rlen) {
1662 ND_PRINT((ndo, "\tMess TopTLV header: min %u, total %d advertised %d ",
1663 TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length)));
1664 return -1;
1665 }
1666
1667 return 0;
1668
1669 trunc:
1670 ND_PRINT((ndo, "%s", tstr));
1671 return -1;
1672 }
1673
1674 void
1675 forces_print(netdissect_options *ndo,
1676 register const u_char * pptr, register u_int len)
1677 {
1678 const struct forcesh *fhdr;
1679 u_int mlen;
1680 uint32_t flg_raw;
1681 const struct tom_h *tops;
1682 int rc = 0;
1683
1684 fhdr = (const struct forcesh *)pptr;
1685 ND_TCHECK(*fhdr);
1686 if (!tom_valid(fhdr->fm_tom)) {
1687 ND_PRINT((ndo, "Invalid ForCES message type %d\n", fhdr->fm_tom));
1688 goto error;
1689 }
1690
1691 mlen = ForCES_BLN(fhdr);
1692
1693 tops = get_forces_tom(fhdr->fm_tom);
1694 if (tops->v == TOM_RSVD) {
1695 ND_PRINT((ndo, "\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom));
1696 goto error;
1697 }
1698
1699 ND_PRINT((ndo, "\n\tForCES %s ", tops->s));
1700 if (!ForCES_HLN_VALID(mlen, len)) {
1701 ND_PRINT((ndo,
1702 "Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
1703 ForCES_HDRL, len, ForCES_BLN(fhdr)));
1704 goto error;
1705 }
1706
1707 ND_TCHECK2(*(pptr + 20), 4);
1708 flg_raw = EXTRACT_32BITS(pptr + 20);
1709 if (ndo->ndo_vflag >= 1) {
1710 ND_PRINT((ndo, "\n\tForCES Version %d len %uB flags 0x%08x ",
1711 ForCES_V(fhdr), mlen, flg_raw));
1712 ND_PRINT((ndo,
1713 "\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
1714 ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
1715 ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
1716 EXTRACT_64BITS(fhdr->fm_cor)));
1717
1718 }
1719 if (ndo->ndo_vflag >= 2) {
1720 ND_PRINT((ndo,
1721 "\n\tForCES flags:\n\t %s(0x%x), prio=%d, %s(0x%x),\n\t %s(0x%x), %s(0x%x)\n",
1722 tok2str(ForCES_ACKs, "ACKUnknown", ForCES_ACK(fhdr)),
1723 ForCES_ACK(fhdr),
1724 ForCES_PRI(fhdr),
1725 tok2str(ForCES_EMs, "EMUnknown", ForCES_EM(fhdr)),
1726 ForCES_EM(fhdr),
1727 tok2str(ForCES_ATs, "ATUnknown", ForCES_AT(fhdr)),
1728 ForCES_AT(fhdr),
1729 tok2str(ForCES_TPs, "TPUnknown", ForCES_TP(fhdr)),
1730 ForCES_TP(fhdr)));
1731 ND_PRINT((ndo,
1732 "\t Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
1733 ForCES_RS1(fhdr), ForCES_RS2(fhdr)));
1734 }
1735 rc = forces_type_print(ndo, pptr, fhdr, mlen, tops);
1736 if (rc < 0) {
1737 error:
1738 hex_print_with_offset(ndo, "\n\t[", pptr, len, 0);
1739 ND_PRINT((ndo, "\n\t]"));
1740 return;
1741 }
1742
1743 if (ndo->ndo_vflag >= 4) {
1744 ND_PRINT((ndo, "\n\t Raw ForCES message\n\t ["));
1745 hex_print_with_offset(ndo, "\n\t ", pptr, len, 0);
1746 ND_PRINT((ndo, "\n\t ]"));
1747 }
1748 ND_PRINT((ndo, "\n"));
1749 return;
1750
1751 trunc:
1752 ND_PRINT((ndo, "%s", tstr));
1753 }
1754 /*
1755 * Local Variables:
1756 * c-style: whitesmith
1757 * c-basic-offset: 8
1758 * End:
1759 */
[mirror] the TCPdump network dissector