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Update LLDB snapshot to upstream r225923 (git 2b588ecd)
[FreeBSD/FreeBSD.git] / contrib / 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 #define NETDISSECT_REWORKED
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21
22 #include <tcpdump-stdinc.h>
23
24 #include "interface.h"
25 #include "extract.h"
26
27 static const char tstr[] = "[|forces]";
28
29 /*
30  * Per draft-ietf-forces-protocol-22
31 */
32 #define ForCES_VERS     1
33 #define ForCES_HDRL     24
34 #define ForCES_ALNL     4U
35 #define TLV_HDRL        4
36 #define ILV_HDRL        8
37
38 #define TOM_RSVD        0x0
39 #define TOM_ASSNSETUP   0x1
40 #define TOM_ASSNTEARD   0x2
41 #define TOM_CONFIG      0x3
42 #define TOM_QUERY       0x4
43 #define TOM_EVENTNOT    0x5
44 #define TOM_PKTREDIR    0x6
45 #define TOM_HEARTBT     0x0F
46 #define TOM_ASSNSETREP  0x11
47 #define TOM_CONFIGREP   0x13
48 #define TOM_QUERYREP    0x14
49
50 /*
51  * tom_h Flags: resv1(8b):maxtlvs(4b):resv2(2b):mintlv(2b)
52 */
53 #define ZERO_TTLV       0x01
54 #define ZERO_MORE_TTLV  0x02
55 #define ONE_MORE_TTLV   0x04
56 #define ZERO_TLV        0x00
57 #define ONE_TLV         0x10
58 #define TWO_TLV         0x20
59 #define MAX_TLV         0xF0
60
61 #define TTLV_T1         (ONE_MORE_TTLV|ONE_TLV)
62 #define TTLV_T2         (ONE_MORE_TTLV|MAX_TLV)
63
64 struct tom_h {
65         uint32_t v;
66         uint16_t flags;
67         uint16_t op_msk;
68         const char *s;
69         int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
70                       uint16_t op_msk, int indent);
71 };
72
73 enum {
74         TOM_RSV_I,
75         TOM_ASS_I,
76         TOM_AST_I,
77         TOM_CFG_I,
78         TOM_QRY_I,
79         TOM_EVN_I,
80         TOM_RED_I,
81         TOM_HBT_I,
82         TOM_ASR_I,
83         TOM_CNR_I,
84         TOM_QRR_I,
85         _TOM_RSV_MAX
86 };
87 #define TOM_MAX_IND (_TOM_RSV_MAX - 1)
88
89 static inline int tom_valid(uint8_t tom)
90 {
91         if (tom > 0) {
92                 if (tom >= 0x7 && tom <= 0xe)
93                         return 0;
94                 if (tom == 0x10)
95                         return 0;
96                 if (tom > 0x14)
97                         return 0;
98                 return 1;
99         } else
100                 return 0;
101 }
102
103 static inline const char *ForCES_node(uint32_t node)
104 {
105         if (node <= 0x3FFFFFFF)
106                 return "FE";
107         if (node >= 0x40000000 && node <= 0x7FFFFFFF)
108                 return "CE";
109         if (node >= 0xC0000000 && node <= 0xFFFFFFEF)
110                 return "AllMulticast";
111         if (node == 0xFFFFFFFD)
112                 return "AllCEsBroadcast";
113         if (node == 0xFFFFFFFE)
114                 return "AllFEsBroadcast";
115         if (node == 0xFFFFFFFF)
116                 return "AllBroadcast";
117
118         return "ForCESreserved";
119
120 }
121
122 static const struct tok ForCES_ACKs[] = {
123         {0x0, "NoACK"},
124         {0x1, "SuccessACK"},
125         {0x2, "FailureACK"},
126         {0x3, "AlwaysACK"},
127         {0, NULL}
128 };
129
130 static const struct tok ForCES_EMs[] = {
131         {0x0, "EMReserved"},
132         {0x1, "execute-all-or-none"},
133         {0x2, "execute-until-failure"},
134         {0x3, "continue-execute-on-failure"},
135         {0, NULL}
136 };
137
138 static const struct tok ForCES_ATs[] = {
139         {0x0, "Standalone"},
140         {0x1, "2PCtransaction"},
141         {0, NULL}
142 };
143
144 static const struct tok ForCES_TPs[] = {
145         {0x0, "StartofTransaction"},
146         {0x1, "MiddleofTransaction"},
147         {0x2, "EndofTransaction"},
148         {0x3, "abort"},
149         {0, NULL}
150 };
151
152 /*
153  * Structure of forces header, naked of TLVs.
154  */
155 struct forcesh {
156         uint8_t fm_vrsvd;       /* version and reserved */
157 #define ForCES_V(forcesh)       ((forcesh)->fm_vrsvd >> 4)
158         uint8_t fm_tom; /* type of message */
159         uint16_t fm_len;        /* total length * 4 bytes */
160 #define ForCES_BLN(forcesh)     ((uint32_t)(EXTRACT_16BITS(&(forcesh)->fm_len) << 2))
161         uint32_t fm_sid;        /* Source ID */
162 #define ForCES_SID(forcesh)     EXTRACT_32BITS(&(forcesh)->fm_sid)
163         uint32_t fm_did;        /* Destination ID */
164 #define ForCES_DID(forcesh)     EXTRACT_32BITS(&(forcesh)->fm_did)
165         uint8_t fm_cor[8];      /* correlator */
166         uint32_t fm_flags;      /* flags */
167 #define ForCES_ACK(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0xC0000000) >> 30)
168 #define ForCES_PRI(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x38000000) >> 27)
169 #define ForCES_RS1(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x07000000) >> 24)
170 #define ForCES_EM(forcesh)      ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00C00000) >> 22)
171 #define ForCES_AT(forcesh)      ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00200000) >> 21)
172 #define ForCES_TP(forcesh)      ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00180000) >> 19)
173 #define ForCES_RS2(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x0007FFFF) >> 0)
174 };
175
176 #define ForCES_HLN_VALID(fhl,tlen) ((tlen) >= ForCES_HDRL && \
177                                    (fhl) >= ForCES_HDRL && \
178                                    (fhl) == (tlen))
179
180 #define F_LFB_RSVD 0x0
181 #define F_LFB_FEO 0x1
182 #define F_LFB_FEPO 0x2
183 static const struct tok ForCES_LFBs[] = {
184         {F_LFB_RSVD, "Invalid TLV"},
185         {F_LFB_FEO, "FEObj LFB"},
186         {F_LFB_FEPO, "FEProtoObj LFB"},
187         {0, NULL}
188 };
189
190 enum {
191         F_OP_RSV,
192         F_OP_SET,
193         F_OP_SETPROP,
194         F_OP_SETRESP,
195         F_OP_SETPRESP,
196         F_OP_DEL,
197         F_OP_DELRESP,
198         F_OP_GET,
199         F_OP_GETPROP,
200         F_OP_GETRESP,
201         F_OP_GETPRESP,
202         F_OP_REPORT,
203         F_OP_COMMIT,
204         F_OP_RCOMMIT,
205         F_OP_RTRCOMP,
206         _F_OP_MAX
207 };
208
209 #define F_OP_MAX        (_F_OP_MAX - 1)
210 enum {
211         B_OP_SET = 1 << (F_OP_SET - 1),
212         B_OP_SETPROP = 1 << (F_OP_SETPROP - 1),
213         B_OP_SETRESP = 1 << (F_OP_SETRESP - 1),
214         B_OP_SETPRESP = 1 << (F_OP_SETPRESP - 1),
215         B_OP_DEL = 1 << (F_OP_DEL - 1),
216         B_OP_DELRESP = 1 << (F_OP_DELRESP - 1),
217         B_OP_GET = 1 << (F_OP_GET - 1),
218         B_OP_GETPROP = 1 << (F_OP_GETPROP - 1),
219         B_OP_GETRESP = 1 << (F_OP_GETRESP - 1),
220         B_OP_GETPRESP = 1 << (F_OP_GETPRESP - 1),
221         B_OP_REPORT = 1 << (F_OP_REPORT - 1),
222         B_OP_COMMIT = 1 << (F_OP_COMMIT - 1),
223         B_OP_RCOMMIT = 1 << (F_OP_RCOMMIT - 1),
224         B_OP_RTRCOMP = 1 << (F_OP_RTRCOMP - 1),
225 };
226
227 struct optlv_h {
228         uint16_t flags;
229         uint16_t op_msk;
230         const char *s;
231         int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
232                       uint16_t op_msk, int indent);
233 };
234
235 static int genoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
236                          uint16_t op_msk, int indent);
237 static int recpdoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
238                             uint16_t op_msk, int indent);
239 static int invoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
240                           uint16_t op_msk, int indent);
241
242 #define OP_MIN_SIZ 8
243 struct pathdata_h {
244         uint16_t pflags;
245         uint16_t pIDcnt;
246 };
247
248 #define B_FULLD         0x1
249 #define B_SPARD         0x2
250 #define B_RESTV         0x4
251 #define B_KEYIN         0x8
252 #define B_APPND         0x10
253 #define B_TRNG          0x20
254
255 static const struct optlv_h OPTLV_msg[F_OP_MAX + 1] = {
256         /* F_OP_RSV */ {ZERO_TTLV, 0, "Invalid OPTLV", invoptlv_print},
257         /* F_OP_SET */ {TTLV_T2, B_FULLD | B_SPARD, " Set", recpdoptlv_print},
258         /* F_OP_SETPROP */
259             {TTLV_T2, B_FULLD | B_SPARD, " SetProp", recpdoptlv_print},
260         /* F_OP_SETRESP */ {TTLV_T2, B_RESTV, " SetResp", recpdoptlv_print},
261         /* F_OP_SETPRESP */ {TTLV_T2, B_RESTV, " SetPropResp", recpdoptlv_print},
262         /* F_OP_DEL */ {ZERO_TTLV, 0, " Del", recpdoptlv_print},
263         /* F_OP_DELRESP */ {TTLV_T2, B_RESTV, " DelResp", recpdoptlv_print},
264         /* F_OP_GET */ {ZERO_TTLV, 0, " Get", recpdoptlv_print},
265         /* F_OP_GETPROP */ {ZERO_TTLV, 0, " GetProp", recpdoptlv_print},
266         /* F_OP_GETRESP */
267             {TTLV_T2, B_FULLD | B_SPARD | B_RESTV, " GetResp", recpdoptlv_print},
268         /* F_OP_GETPRESP */
269             {TTLV_T2, B_FULLD | B_RESTV, " GetPropResp", recpdoptlv_print},
270         /* F_OP_REPORT */
271             {TTLV_T2, B_FULLD | B_SPARD, " Report", recpdoptlv_print},
272         /* F_OP_COMMIT */ {ZERO_TTLV, 0, " Commit", NULL},
273         /* F_OP_RCOMMIT */ {TTLV_T1, B_RESTV, " RCommit", genoptlv_print},
274         /* F_OP_RTRCOMP */ {ZERO_TTLV, 0, " RTRCOMP", NULL},
275 };
276
277 static inline const struct optlv_h *get_forces_optlv_h(uint16_t opt)
278 {
279         if (opt > F_OP_MAX || opt <= F_OP_RSV)
280                 return &OPTLV_msg[F_OP_RSV];
281
282         return &OPTLV_msg[opt];
283 }
284
285 #define IND_SIZE 256
286 #define IND_CHR ' '
287 #define IND_PREF '\n'
288 #define IND_SUF 0x0
289 char ind_buf[IND_SIZE];
290
291 static inline char *indent_pr(int indent, int nlpref)
292 {
293         int i = 0;
294         char *r = ind_buf;
295
296         if (indent > (IND_SIZE - 1))
297                 indent = IND_SIZE - 1;
298
299         if (nlpref) {
300                 r[i] = IND_PREF;
301                 i++;
302                 indent--;
303         }
304
305         while (--indent >= 0)
306                 r[i++] = IND_CHR;
307
308         r[i] = IND_SUF;
309         return r;
310 }
311
312 static inline int op_valid(uint16_t op, uint16_t mask)
313 {
314         int opb = 1 << (op - 1);
315
316         if (op == 0)
317                 return 0;
318         if (opb & mask)
319                 return 1;
320         /* I guess we should allow vendor operations? */
321         if (op >= 0x8000)
322                 return 1;
323         return 0;
324 }
325
326 #define F_TLV_RSVD      0x0000
327 #define F_TLV_REDR      0x0001
328 #define F_TLV_ASRS      0x0010
329 #define F_TLV_ASRT      0x0011
330 #define F_TLV_LFBS      0x1000
331 #define F_TLV_PDAT      0x0110
332 #define F_TLV_KEYI      0x0111
333 #define F_TLV_FULD      0x0112
334 #define F_TLV_SPAD      0x0113
335 #define F_TLV_REST      0x0114
336 #define F_TLV_METD      0x0115
337 #define F_TLV_REDD      0x0116
338 #define F_TLV_TRNG      0x0117
339
340
341 #define F_TLV_VNST      0x8000
342
343 static const struct tok ForCES_TLV[] = {
344         {F_TLV_RSVD, "Invalid TLV"},
345         {F_TLV_REDR, "REDIRECT TLV"},
346         {F_TLV_ASRS, "ASResult TLV"},
347         {F_TLV_ASRT, "ASTreason TLV"},
348         {F_TLV_LFBS, "LFBselect TLV"},
349         {F_TLV_PDAT, "PATH-DATA TLV"},
350         {F_TLV_KEYI, "KEYINFO TLV"},
351         {F_TLV_FULD, "FULLDATA TLV"},
352         {F_TLV_SPAD, "SPARSEDATA TLV"},
353         {F_TLV_REST, "RESULT TLV"},
354         {F_TLV_METD, "METADATA TLV"},
355         {F_TLV_REDD, "REDIRECTDATA TLV"},
356         {0, NULL}
357 };
358
359 #define TLV_HLN 4
360 static inline int ttlv_valid(uint16_t ttlv)
361 {
362         if (ttlv > 0) {
363                 if (ttlv == 1 || ttlv == 0x1000)
364                         return 1;
365                 if (ttlv >= 0x10 && ttlv <= 0x11)
366                         return 1;
367                 if (ttlv >= 0x110 && ttlv <= 0x116)
368                         return 1;
369                 if (ttlv >= 0x8000)
370                         return 0;       /* XXX: */
371         }
372
373         return 0;
374 }
375
376 struct forces_ilv {
377         uint32_t type;
378         uint32_t length;
379 };
380
381 struct forces_tlv {
382         uint16_t type;
383         uint16_t length;
384 };
385
386 #define F_ALN_LEN(len) ( ((len)+ForCES_ALNL-1) & ~(ForCES_ALNL-1) )
387 #define GET_TOP_TLV(fhdr) ((struct forces_tlv *)((fhdr) + sizeof (struct forcesh)))
388 #define TLV_SET_LEN(len)  (F_ALN_LEN(TLV_HDRL) + (len))
389 #define TLV_ALN_LEN(len)  F_ALN_LEN(TLV_SET_LEN(len))
390 #define TLV_RDAT_LEN(tlv) ((int)(EXTRACT_16BITS(&(tlv)->length) - TLV_SET_LEN(0))
391 #define TLV_DATA(tlvp)   ((void*)(((char*)(tlvp)) + TLV_SET_LEN(0)))
392 #define GO_NXT_TLV(tlv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length)), \
393                               (struct forces_tlv*)(((char*)(tlv)) \
394                                       + F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length))))
395 #define ILV_SET_LEN(len)  (F_ALN_LEN(ILV_HDRL) + (len))
396 #define ILV_ALN_LEN(len)  F_ALN_LEN(ILV_SET_LEN(len))
397 #define ILV_RDAT_LEN(ilv) ((int)(EXTRACT_32BITS(&(ilv)->length)) - ILV_SET_LEN(0))
398 #define ILV_DATA(ilvp)   ((void*)(((char*)(ilvp)) + ILV_SET_LEN(0)))
399 #define GO_NXT_ILV(ilv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length)), \
400                               (struct forces_ilv *)(((char*)(ilv)) \
401                                       + F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length))))
402 #define INVALID_RLEN 1
403 #define INVALID_STLN 2
404 #define INVALID_LTLN 3
405 #define INVALID_ALEN 4
406
407 static const struct tok ForCES_TLV_err[] = {
408         {INVALID_RLEN, "Invalid total length"},
409         {INVALID_STLN, "xLV too short"},
410         {INVALID_LTLN, "xLV too long"},
411         {INVALID_ALEN, "data padding missing"},
412         {0, NULL}
413 };
414
415 static inline u_int tlv_valid(const struct forces_tlv *tlv, u_int rlen)
416 {
417         if (rlen < TLV_HDRL)
418                 return INVALID_RLEN;
419         if (EXTRACT_16BITS(&tlv->length) < TLV_HDRL)
420                 return INVALID_STLN;
421         if (EXTRACT_16BITS(&tlv->length) > rlen)
422                 return INVALID_LTLN;
423         if (rlen < F_ALN_LEN(EXTRACT_16BITS(&tlv->length)))
424                 return INVALID_ALEN;
425
426         return 0;
427 }
428
429 static inline int ilv_valid(const struct forces_ilv *ilv, u_int rlen)
430 {
431         if (rlen < ILV_HDRL)
432                 return INVALID_RLEN;
433         if (EXTRACT_32BITS(&ilv->length) < ILV_HDRL)
434                 return INVALID_STLN;
435         if (EXTRACT_32BITS(&ilv->length) > rlen)
436                 return INVALID_LTLN;
437         if (rlen < F_ALN_LEN(EXTRACT_32BITS(&ilv->length)))
438                 return INVALID_ALEN;
439
440         return 0;
441 }
442
443 static int lfbselect_print(netdissect_options *, register const u_char * pptr, register u_int len,
444                            uint16_t op_msk, int indent);
445 static int redirect_print(netdissect_options *, register const u_char * pptr, register u_int len,
446                           uint16_t op_msk, int indent);
447 static int asrtlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
448                         uint16_t op_msk, int indent);
449 static int asttlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
450                         uint16_t op_msk, int indent);
451
452 struct forces_lfbsh {
453         uint32_t class;
454         uint32_t instance;
455 };
456
457 #define ASSNS_OPS (B_OP_REPORT)
458 #define CFG_OPS (B_OP_SET|B_OP_SETPROP|B_OP_DEL|B_OP_COMMIT|B_OP_RTRCOMP)
459 #define CFG_ROPS (B_OP_SETRESP|B_OP_SETPRESP|B_OP_DELRESP|B_OP_RCOMMIT)
460 #define CFG_QY (B_OP_GET|B_OP_GETPROP)
461 #define CFG_QYR (B_OP_GETRESP|B_OP_GETPRESP)
462 #define CFG_EVN (B_OP_REPORT)
463
464 static const struct tom_h ForCES_msg[TOM_MAX_IND + 1] = {
465         /* TOM_RSV_I */ {TOM_RSVD, ZERO_TTLV, 0, "Invalid message", NULL},
466         /* TOM_ASS_I */ {TOM_ASSNSETUP, ZERO_MORE_TTLV | TWO_TLV, ASSNS_OPS,
467                        "Association Setup", lfbselect_print},
468         /* TOM_AST_I */
469             {TOM_ASSNTEARD, TTLV_T1, 0, "Association TearDown", asttlv_print},
470         /* TOM_CFG_I */ {TOM_CONFIG, TTLV_T2, CFG_OPS, "Config", lfbselect_print},
471         /* TOM_QRY_I */ {TOM_QUERY, TTLV_T2, CFG_QY, "Query", lfbselect_print},
472         /* TOM_EVN_I */ {TOM_EVENTNOT, TTLV_T1, CFG_EVN, "Event Notification",
473                        lfbselect_print},
474         /* TOM_RED_I */
475             {TOM_PKTREDIR, TTLV_T2, 0, "Packet Redirect", redirect_print},
476         /* TOM_HBT_I */ {TOM_HEARTBT, ZERO_TTLV, 0, "HeartBeat", NULL},
477         /* TOM_ASR_I */
478             {TOM_ASSNSETREP, TTLV_T1, 0, "Association Response", asrtlv_print},
479         /* TOM_CNR_I */ {TOM_CONFIGREP, TTLV_T2, CFG_ROPS, "Config Response",
480                        lfbselect_print},
481         /* TOM_QRR_I */
482             {TOM_QUERYREP, TTLV_T2, CFG_QYR, "Query Response", lfbselect_print},
483 };
484
485 static inline const struct tom_h *get_forces_tom(uint8_t tom)
486 {
487         int i;
488         for (i = TOM_RSV_I; i <= TOM_MAX_IND; i++) {
489                 const struct tom_h *th = &ForCES_msg[i];
490                 if (th->v == tom)
491                         return th;
492         }
493         return &ForCES_msg[TOM_RSV_I];
494 }
495
496 struct pdata_ops {
497         uint32_t v;
498         uint16_t flags;
499         uint16_t op_msk;
500         const char *s;
501         int (*print) (netdissect_options *, register const u_char * pptr, register u_int len,
502                       uint16_t op_msk, int indent);
503 };
504
505 enum {
506         PD_RSV_I,
507         PD_SEL_I,
508         PD_FDT_I,
509         PD_SDT_I,
510         PD_RES_I,
511         PD_PDT_I,
512         _PD_RSV_MAX
513 };
514 #define PD_MAX_IND (_TOM_RSV_MAX - 1)
515
516 static inline int pd_valid(uint16_t pd)
517 {
518         if (pd >= F_TLV_PDAT && pd <= F_TLV_REST)
519                 return 1;
520         return 0;
521 }
522
523 static inline void
524 chk_op_type(netdissect_options *ndo,
525             uint16_t type, uint16_t msk, uint16_t omsk)
526 {
527         if (type != F_TLV_PDAT) {
528                 if (msk & B_KEYIN) {
529                         if (type != F_TLV_KEYI) {
530                                 ND_PRINT((ndo, "Based on flags expected KEYINFO TLV!\n"));
531                         }
532                 } else {
533                         if (!(msk & omsk)) {
534                                 ND_PRINT((ndo, "Illegal DATA encoding for type 0x%x programmed %x got %x \n",
535                                           type, omsk, msk));
536                         }
537                 }
538         }
539
540 }
541
542 #define F_SELKEY 1
543 #define F_SELTABRANGE 2
544 #define F_TABAPPEND 4
545
546 struct res_val {
547         uint8_t result;
548         uint8_t resv1;
549         uint16_t resv2;
550 };
551
552 static int prestlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
553                          uint16_t op_msk, int indent);
554 static int pkeyitlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
555                           uint16_t op_msk, int indent);
556 static int fdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
557                           uint16_t op_msk, int indent);
558 static int sdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
559                           uint16_t op_msk, int indent);
560
561 static const struct pdata_ops ForCES_pdata[PD_MAX_IND + 1] = {
562         /* PD_RSV_I */ {0, 0, 0, "Invalid message", NULL},
563         /* PD_SEL_I */ {F_TLV_KEYI, 0, 0, "KEYINFO TLV", pkeyitlv_print},
564         /* PD_FDT_I */ {F_TLV_FULD, 0, B_FULLD, "FULLDATA TLV", fdatatlv_print},
565         /* PD_SDT_I */ {F_TLV_SPAD, 0, B_SPARD, "SPARSEDATA TLV", sdatatlv_print},
566         /* PD_RES_I */ {F_TLV_REST, 0, B_RESTV, "RESULT TLV", prestlv_print},
567         /* PD_PDT_I */
568             {F_TLV_PDAT, 0, 0, "Inner PATH-DATA TLV", recpdoptlv_print},
569 };
570
571 static inline const struct pdata_ops *get_forces_pd(uint16_t pd)
572 {
573         int i;
574         for (i = PD_RSV_I + 1; i <= PD_MAX_IND; i++) {
575                 const struct pdata_ops *pdo = &ForCES_pdata[i];
576                 if (pdo->v == pd)
577                         return pdo;
578         }
579         return &ForCES_pdata[TOM_RSV_I];
580 }
581
582 enum {
583         E_SUCCESS,
584         E_INVALID_HEADER,
585         E_LENGTH_MISMATCH,
586         E_VERSION_MISMATCH,
587         E_INVALID_DESTINATION_PID,
588         E_LFB_UNKNOWN,
589         E_LFB_NOT_FOUND,
590         E_LFB_INSTANCE_ID_NOT_FOUND,
591         E_INVALID_PATH,
592         E_COMPONENT_DOES_NOT_EXIST,
593         E_EXISTS,
594         E_NOT_FOUND,
595         E_READ_ONLY,
596         E_INVALID_ARRAY_CREATION,
597         E_VALUE_OUT_OF_RANGE,
598         E_CONTENTS_TOO_LONG,
599         E_INVALID_PARAMETERS,
600         E_INVALID_MESSAGE_TYPE,
601         E_INVALID_FLAGS,
602         E_INVALID_TLV,
603         E_EVENT_ERROR,
604         E_NOT_SUPPORTED,
605         E_MEMORY_ERROR,
606         E_INTERNAL_ERROR,
607         /* 0x18-0xFE are reserved .. */
608         E_UNSPECIFIED_ERROR = 0XFF
609 };
610
611 static const struct tok ForCES_errs[] = {
612         {E_SUCCESS, "SUCCESS"},
613         {E_INVALID_HEADER, "INVALID HEADER"},
614         {E_LENGTH_MISMATCH, "LENGTH MISMATCH"},
615         {E_VERSION_MISMATCH, "VERSION MISMATCH"},
616         {E_INVALID_DESTINATION_PID, "INVALID DESTINATION PID"},
617         {E_LFB_UNKNOWN, "LFB UNKNOWN"},
618         {E_LFB_NOT_FOUND, "LFB NOT FOUND"},
619         {E_LFB_INSTANCE_ID_NOT_FOUND, "LFB INSTANCE ID NOT FOUND"},
620         {E_INVALID_PATH, "INVALID PATH"},
621         {E_COMPONENT_DOES_NOT_EXIST, "COMPONENT DOES NOT EXIST"},
622         {E_EXISTS, "EXISTS ALREADY"},
623         {E_NOT_FOUND, "NOT FOUND"},
624         {E_READ_ONLY, "READ ONLY"},
625         {E_INVALID_ARRAY_CREATION, "INVALID ARRAY CREATION"},
626         {E_VALUE_OUT_OF_RANGE, "VALUE OUT OF RANGE"},
627         {E_CONTENTS_TOO_LONG, "CONTENTS TOO LONG"},
628         {E_INVALID_PARAMETERS, "INVALID PARAMETERS"},
629         {E_INVALID_MESSAGE_TYPE, "INVALID MESSAGE TYPE"},
630         {E_INVALID_FLAGS, "INVALID FLAGS"},
631         {E_INVALID_TLV, "INVALID TLV"},
632         {E_EVENT_ERROR, "EVENT ERROR"},
633         {E_NOT_SUPPORTED, "NOT SUPPORTED"},
634         {E_MEMORY_ERROR, "MEMORY ERROR"},
635         {E_INTERNAL_ERROR, "INTERNAL ERROR"},
636         {E_UNSPECIFIED_ERROR, "UNSPECIFIED ERROR"},
637         {0, NULL}
638 };
639
640 #define RESLEN  4
641
642 static int
643 prestlv_print(netdissect_options *ndo,
644               register const u_char * pptr, register u_int len,
645               uint16_t op_msk _U_, int indent)
646 {
647         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
648         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
649         struct res_val *r = (struct res_val *)tdp;
650         u_int dlen;
651
652         /*
653          * pdatacnt_print() has ensured that len (the TLV length)
654          * >= TLV_HDRL.
655          */
656         dlen = len - TLV_HDRL;
657         if (dlen != RESLEN) {
658                 ND_PRINT((ndo, "illegal RESULT-TLV: %d bytes!\n", dlen));
659                 return -1;
660         }
661
662         ND_TCHECK(*r);
663         if (r->result >= 0x18 && r->result <= 0xFE) {
664                 ND_PRINT((ndo, "illegal reserved result code: 0x%x!\n", r->result));
665                 return -1;
666         }
667
668         if (ndo->ndo_vflag >= 3) {
669                 char *ib = indent_pr(indent, 0);
670                 ND_PRINT((ndo, "%s  Result: %s (code 0x%x)\n", ib,
671                        tok2str(ForCES_errs, NULL, r->result), r->result));
672         }
673         return 0;
674
675 trunc:
676         ND_PRINT((ndo, "%s", tstr));
677         return -1;
678 }
679
680 static int
681 fdatatlv_print(netdissect_options *ndo,
682                register const u_char * pptr, register u_int len,
683                uint16_t op_msk _U_, int indent)
684 {
685         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
686         u_int rlen;
687         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
688         uint16_t type;
689
690         /*
691          * pdatacnt_print() or pkeyitlv_print() has ensured that len
692          * (the TLV length) >= TLV_HDRL.
693          */
694         rlen = len - TLV_HDRL;
695         ND_TCHECK(*tlv);
696         type = EXTRACT_16BITS(&tlv->type);
697         if (type != F_TLV_FULD) {
698                 ND_PRINT((ndo, "Error: expecting FULLDATA!\n"));
699                 return -1;
700         }
701
702         if (ndo->ndo_vflag >= 3) {
703                 char *ib = indent_pr(indent + 2, 1);
704                 ND_PRINT((ndo, "%s[", &ib[1]));
705                 hex_print_with_offset(ndo, ib, tdp, rlen, 0);
706                 ND_PRINT((ndo, "\n%s]\n", &ib[1]));
707         }
708         return 0;
709
710 trunc:
711         ND_PRINT((ndo, "%s", tstr));
712         return -1;
713 }
714
715 static int
716 sdatailv_print(netdissect_options *ndo,
717                register const u_char * pptr, register u_int len,
718                uint16_t op_msk _U_, int indent)
719 {
720         u_int rlen;
721         const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
722         int invilv;
723
724         if (len < ILV_HDRL) {
725                 ND_PRINT((ndo, "Error: BAD SPARSEDATA-TLV!\n"));
726                 return -1;
727         }
728         rlen = len;
729         indent += 1;
730         while (rlen != 0) {
731 #if 0
732                 ND_PRINT((ndo, "Jamal - outstanding length <%d>\n", rlen));
733 #endif
734                 char *ib = indent_pr(indent, 1);
735                 register const u_char *tdp = (u_char *) ILV_DATA(ilv);
736                 ND_TCHECK(*ilv);
737                 invilv = ilv_valid(ilv, rlen);
738                 if (invilv) {
739                         ND_PRINT((ndo, "%s[", &ib[1]));
740                         hex_print_with_offset(ndo, ib, tdp, rlen, 0);
741                         ND_PRINT((ndo, "\n%s]\n", &ib[1]));
742                         return -1;
743                 }
744                 if (ndo->ndo_vflag >= 3) {
745                         int ilvl = EXTRACT_32BITS(&ilv->length);
746                         ND_PRINT((ndo, "\n%s ILV: type %x length %d\n", &ib[1],
747                                EXTRACT_32BITS(&ilv->type), ilvl));
748                         hex_print_with_offset(ndo, "\t\t[", tdp, ilvl-ILV_HDRL, 0);
749                 }
750
751                 ilv = GO_NXT_ILV(ilv, rlen);
752         }
753
754         return 0;
755
756 trunc:
757         ND_PRINT((ndo, "%s", tstr));
758         return -1;
759 }
760
761 static int
762 sdatatlv_print(netdissect_options *ndo,
763                register const u_char * pptr, register u_int len,
764                uint16_t op_msk, int indent)
765 {
766         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
767         u_int rlen;
768         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
769         uint16_t type;
770
771         /*
772          * pdatacnt_print() has ensured that len (the TLV length)
773          * >= TLV_HDRL.
774          */
775         rlen = len - TLV_HDRL;
776         ND_TCHECK(*tlv);
777         type = EXTRACT_16BITS(&tlv->type);
778         if (type != F_TLV_SPAD) {
779                 ND_PRINT((ndo, "Error: expecting SPARSEDATA!\n"));
780                 return -1;
781         }
782
783         return sdatailv_print(ndo, tdp, rlen, op_msk, indent);
784
785 trunc:
786         ND_PRINT((ndo, "%s", tstr));
787         return -1;
788 }
789
790 static int
791 pkeyitlv_print(netdissect_options *ndo,
792                register const u_char * pptr, register u_int len,
793                uint16_t op_msk, int indent)
794 {
795         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
796         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
797         register const u_char *dp = tdp + 4;
798         const struct forces_tlv *kdtlv = (struct forces_tlv *)dp;
799         uint32_t id;
800         char *ib = indent_pr(indent, 0);
801         uint16_t type, tll;
802         u_int invtlv;
803
804         ND_TCHECK(*tdp);
805         id = EXTRACT_32BITS(tdp);
806         ND_PRINT((ndo, "%sKeyinfo: Key 0x%x\n", ib, id));
807         ND_TCHECK(*kdtlv);
808         type = EXTRACT_16BITS(&kdtlv->type);
809         invtlv = tlv_valid(kdtlv, len);
810
811         if (invtlv) {
812                 ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
813                        tok2str(ForCES_TLV_err, NULL, invtlv), type,
814                        EXTRACT_16BITS(&kdtlv->length)));
815                 return -1;
816         }
817         /*
818          * At this point, tlv_valid() has ensured that the TLV
819          * length is large enough but not too large (it doesn't
820          * go past the end of the containing TLV).
821          */
822         tll = EXTRACT_16BITS(&kdtlv->length);
823         dp = (u_char *) TLV_DATA(kdtlv);
824         return fdatatlv_print(ndo, dp, tll, op_msk, indent);
825
826 trunc:
827         ND_PRINT((ndo, "%s", tstr));
828         return -1;
829 }
830
831 #define PTH_DESC_SIZE 12
832
833 static int
834 pdatacnt_print(netdissect_options *ndo,
835                register const u_char * pptr, register u_int len,
836                uint16_t IDcnt, uint16_t op_msk, int indent)
837 {
838         u_int i;
839         uint32_t id;
840         char *ib = indent_pr(indent, 0);
841
842         if ((op_msk & B_APPND) && ndo->ndo_vflag >= 3) {
843                 ND_PRINT((ndo, "%sTABLE APPEND\n", ib));
844         }
845         for (i = 0; i < IDcnt; i++) {
846                 ND_TCHECK2(*pptr, 4);
847                 if (len < 4)
848                         goto trunc;
849                 id = EXTRACT_32BITS(pptr);
850                 if (ndo->ndo_vflag >= 3)
851                         ND_PRINT((ndo, "%sID#%02u: %d\n", ib, i + 1, id));
852                 len -= 4;
853                 pptr += 4;
854         }
855
856         if ((op_msk & B_TRNG) || (op_msk & B_KEYIN)) {
857                 if (op_msk & B_TRNG) {
858                         uint32_t starti, endi;
859
860                         if (len < PTH_DESC_SIZE) {
861                                 ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
862                                        len, PTH_DESC_SIZE));
863                                 return -1;
864                         }
865
866                         pptr += sizeof(struct forces_tlv);
867                         len -= sizeof(struct forces_tlv);
868
869                         starti = EXTRACT_32BITS(pptr);
870                         pptr += 4;
871                         len -= 4;
872
873                         endi = EXTRACT_32BITS(pptr);
874                         pptr += 4;
875                         len -= 4;
876
877                         if (ndo->ndo_vflag >= 3)
878                                 ND_PRINT((ndo, "%sTable range: [%d,%d]\n", ib, starti, endi));
879                 }
880
881                 if (op_msk & B_KEYIN) {
882                         struct forces_tlv *keytlv;
883                         uint16_t tll;
884
885                         if (len < PTH_DESC_SIZE) {
886                                 ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
887                                        len, PTH_DESC_SIZE));
888                                 return -1;
889                         }
890
891                         /* skip keyid */
892                         pptr += 4;
893                         len -= 4;
894                         keytlv = (struct forces_tlv *)pptr;
895                         /* skip header */
896                         pptr += sizeof(struct forces_tlv);
897                         len -= sizeof(struct forces_tlv);
898                         /* skip key content */
899                         tll = EXTRACT_16BITS(&keytlv->length);
900                         if (tll < TLV_HDRL) {
901                                 ND_PRINT((ndo, "key content length %u < %u\n",
902                                         tll, TLV_HDRL));
903                                 return -1;
904                         }
905                         tll -= TLV_HDRL;
906                         if (len < tll) {
907                                 ND_PRINT((ndo, "key content too short\n"));
908                                 return -1;
909                         }
910                         pptr += tll;
911                         len -= tll;
912                 }
913
914         }
915
916         if (len) {
917                 const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
918                 uint16_t type;
919                 uint16_t tll;
920                 int pad = 0;
921                 u_int aln;
922                 u_int invtlv;
923
924                 ND_TCHECK(*pdtlv);
925                 type = EXTRACT_16BITS(&pdtlv->type);
926                 invtlv = tlv_valid(pdtlv, len);
927                 if (invtlv) {
928                         ND_PRINT((ndo, "%s Outstanding bytes %d for TLV type 0x%x TLV len %d\n",
929                                   tok2str(ForCES_TLV_err, NULL, invtlv), len, type,
930                                   EXTRACT_16BITS(&pdtlv->length)));
931                         goto pd_err;
932                 }
933                 /*
934                  * At this point, tlv_valid() has ensured that the TLV
935                  * length is large enough but not too large (it doesn't
936                  * go past the end of the containing TLV).
937                  */
938                 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
939                 aln = F_ALN_LEN(EXTRACT_16BITS(&pdtlv->length));
940                 if (aln > EXTRACT_16BITS(&pdtlv->length)) {
941                         if (aln > len) {
942                                 ND_PRINT((ndo,
943                                           "Invalid padded pathdata TLV type 0x%x len %d missing %d pad bytes\n",
944                                           type, EXTRACT_16BITS(&pdtlv->length), aln - len));
945                         } else {
946                                 pad = aln - EXTRACT_16BITS(&pdtlv->length);
947                         }
948                 }
949                 if (pd_valid(type)) {
950                         const struct pdata_ops *ops = get_forces_pd(type);
951
952                         if (ndo->ndo_vflag >= 3 && ops->v != F_TLV_PDAT) {
953                                 if (pad)
954                                         ND_PRINT((ndo, "%s  %s (Length %d DataLen %d pad %d Bytes)\n",
955                                                   ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll, pad));
956                                 else
957                                         ND_PRINT((ndo, "%s  %s (Length %d DataLen %d Bytes)\n",
958                                                   ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll));
959                         }
960
961                         chk_op_type(ndo, type, op_msk, ops->op_msk);
962
963                         if (ops->print(ndo, (const u_char *)pdtlv,
964                                         tll + pad + TLV_HDRL, op_msk,
965                                         indent + 2) == -1)
966                                 return -1;
967                         len -= (TLV_HDRL + pad + tll);
968                 } else {
969                         ND_PRINT((ndo, "Invalid path data content type 0x%x len %d\n",
970                                type, EXTRACT_16BITS(&pdtlv->length)));
971 pd_err:
972                         if (EXTRACT_16BITS(&pdtlv->length)) {
973                                 hex_print_with_offset(ndo, "Bad Data val\n\t  [",
974                                                       pptr, len, 0);
975                                 ND_PRINT((ndo, "]\n"));
976
977                                 return -1;
978                         }
979                 }
980         }
981         return len;
982
983 trunc:
984         ND_PRINT((ndo, "%s", tstr));
985         return -1;
986 }
987
988 static int
989 pdata_print(netdissect_options *ndo,
990             register const u_char * pptr, register u_int len,
991             uint16_t op_msk, int indent)
992 {
993         const struct pathdata_h *pdh = (struct pathdata_h *)pptr;
994         char *ib = indent_pr(indent, 0);
995         u_int minsize = 0;
996         int more_pd = 0;
997         uint16_t idcnt = 0;
998
999         ND_TCHECK(*pdh);
1000         if (len < sizeof(struct pathdata_h))
1001                 goto trunc;
1002         if (ndo->ndo_vflag >= 3) {
1003                 ND_PRINT((ndo, "\n%sPathdata: Flags 0x%x ID count %d\n",
1004                        ib, EXTRACT_16BITS(&pdh->pflags), EXTRACT_16BITS(&pdh->pIDcnt)));
1005         }
1006
1007         if (EXTRACT_16BITS(&pdh->pflags) & F_SELKEY) {
1008                 op_msk |= B_KEYIN;
1009         }
1010
1011         /* Table GET Range operation */
1012         if (EXTRACT_16BITS(&pdh->pflags) & F_SELTABRANGE) {
1013                 op_msk |= B_TRNG;
1014         }
1015         /* Table SET append operation */
1016         if (EXTRACT_16BITS(&pdh->pflags) & F_TABAPPEND) {
1017                 op_msk |= B_APPND;
1018         }
1019
1020         pptr += sizeof(struct pathdata_h);
1021         len -= sizeof(struct pathdata_h);
1022         idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
1023         minsize = idcnt * 4;
1024         if (len < minsize) {
1025                 ND_PRINT((ndo, "\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
1026                        len));
1027                 hex_print_with_offset(ndo, "\t\t\tID Data[", pptr, len, 0);
1028                 ND_PRINT((ndo, "]\n"));
1029                 return -1;
1030         }
1031
1032         if ((op_msk & B_TRNG) && (op_msk & B_KEYIN)) {
1033                 ND_PRINT((ndo, "\t\t\tIllegal to have both Table ranges and keys\n"));
1034                 return -1;
1035         }
1036
1037         more_pd = pdatacnt_print(ndo, pptr, len, idcnt, op_msk, indent);
1038         if (more_pd > 0) {
1039                 int consumed = len - more_pd;
1040                 pptr += consumed;
1041                 len = more_pd;
1042                 /* XXX: Argh, recurse some more */
1043                 return recpdoptlv_print(ndo, pptr, len, op_msk, indent+1);
1044         } else
1045                 return 0;
1046
1047 trunc:
1048         ND_PRINT((ndo, "%s", tstr));
1049         return -1;
1050 }
1051
1052 static int
1053 genoptlv_print(netdissect_options *ndo,
1054                register const u_char * pptr, register u_int len,
1055                uint16_t op_msk, int indent)
1056 {
1057         const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
1058         uint16_t type;
1059         int tll;
1060         u_int invtlv;
1061         char *ib = indent_pr(indent, 0);
1062
1063         ND_TCHECK(*pdtlv);
1064         type = EXTRACT_16BITS(&pdtlv->type);
1065         tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
1066         invtlv = tlv_valid(pdtlv, len);
1067         ND_PRINT((ndo, "genoptlvprint - %s TLV type 0x%x len %d\n",
1068                tok2str(ForCES_TLV, NULL, type), type, EXTRACT_16BITS(&pdtlv->length)));
1069         if (!invtlv) {
1070                 /*
1071                  * At this point, tlv_valid() has ensured that the TLV
1072                  * length is large enough but not too large (it doesn't
1073                  * go past the end of the containing TLV).
1074                  */
1075                 register const u_char *dp = (u_char *) TLV_DATA(pdtlv);
1076                 if (!ttlv_valid(type)) {
1077                         ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
1078                                tok2str(ForCES_TLV_err, NULL, invtlv), type,
1079                                EXTRACT_16BITS(&pdtlv->length)));
1080                         return -1;
1081                 }
1082                 if (ndo->ndo_vflag >= 3)
1083                         ND_PRINT((ndo, "%s%s, length %d (data length %d Bytes)",
1084                                ib, tok2str(ForCES_TLV, NULL, type),
1085                                EXTRACT_16BITS(&pdtlv->length), tll));
1086
1087                 return pdata_print(ndo, dp, tll, op_msk, indent + 1);
1088         } else {
1089                 ND_PRINT((ndo, "\t\t\tInvalid ForCES TLV type=%x", type));
1090                 return -1;
1091         }
1092
1093 trunc:
1094         ND_PRINT((ndo, "%s", tstr));
1095         return -1;
1096 }
1097
1098 static int
1099 recpdoptlv_print(netdissect_options *ndo,
1100                  register const u_char * pptr, register u_int len,
1101                  uint16_t op_msk, int indent)
1102 {
1103         const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
1104         int tll;
1105         u_int invtlv;
1106         uint16_t type;
1107         register const u_char *dp;
1108         char *ib;
1109
1110         while (len != 0) {
1111                 ND_TCHECK(*pdtlv);
1112                 invtlv = tlv_valid(pdtlv, len);
1113                 if (invtlv) {
1114                         break;
1115                 }
1116
1117                 /*
1118                  * At this point, tlv_valid() has ensured that the TLV
1119                  * length is large enough but not too large (it doesn't
1120                  * go past the end of the containing TLV).
1121                  */
1122                 ib = indent_pr(indent, 0);
1123                 type = EXTRACT_16BITS(&pdtlv->type);
1124                 dp = (u_char *) TLV_DATA(pdtlv);
1125                 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
1126
1127                 if (ndo->ndo_vflag >= 3)
1128                         ND_PRINT((ndo, "%s%s, length %d (data encapsulated %d Bytes)",
1129                                   ib, tok2str(ForCES_TLV, NULL, type),
1130                                   EXTRACT_16BITS(&pdtlv->length),
1131                                   EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL));
1132
1133                 if (pdata_print(ndo, dp, tll, op_msk, indent + 1) == -1)
1134                         return -1;
1135                 pdtlv = GO_NXT_TLV(pdtlv, len);
1136         }
1137
1138         if (len) {
1139                 ND_PRINT((ndo,
1140                           "\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1141                           EXTRACT_16BITS(&pdtlv->type), len - EXTRACT_16BITS(&pdtlv->length)));
1142                 return -1;
1143         }
1144
1145         return 0;
1146
1147 trunc:
1148         ND_PRINT((ndo, "%s", tstr));
1149         return -1;
1150 }
1151
1152 static int
1153 invoptlv_print(netdissect_options *ndo,
1154                register const u_char * pptr, register u_int len,
1155                uint16_t op_msk _U_, int indent)
1156 {
1157         char *ib = indent_pr(indent, 1);
1158
1159         if (ndo->ndo_vflag >= 3) {
1160                 ND_PRINT((ndo, "%sData[", &ib[1]));
1161                 hex_print_with_offset(ndo, ib, pptr, len, 0);
1162                 ND_PRINT((ndo, "%s]\n", ib));
1163         }
1164         return -1;
1165 }
1166
1167 static int
1168 otlv_print(netdissect_options *ndo,
1169            const struct forces_tlv *otlv, uint16_t op_msk _U_, int indent)
1170 {
1171         int rc = 0;
1172         register const u_char *dp = (u_char *) TLV_DATA(otlv);
1173         uint16_t type;
1174         int tll;
1175         char *ib = indent_pr(indent, 0);
1176         const struct optlv_h *ops;
1177
1178         /*
1179          * lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
1180          * >= TLV_HDRL.
1181          */
1182         ND_TCHECK(*otlv);
1183         type = EXTRACT_16BITS(&otlv->type);
1184         tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
1185         ops = get_forces_optlv_h(type);
1186         if (ndo->ndo_vflag >= 3) {
1187                 ND_PRINT((ndo, "%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
1188                        EXTRACT_16BITS(&otlv->length)));
1189         }
1190         /* empty TLVs like COMMIT and TRCOMMIT are empty, we stop here .. */
1191         if (!ops->flags & ZERO_TTLV) {
1192                 if (tll != 0)   /* instead of "if (tll)" - for readability .. */
1193                         ND_PRINT((ndo, "%s: Illegal - MUST be empty\n", ops->s));
1194                 return rc;
1195         }
1196         /* rest of ops must at least have 12B {pathinfo} */
1197         if (tll < OP_MIN_SIZ) {
1198                 ND_PRINT((ndo, "\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
1199                        EXTRACT_16BITS(&otlv->length)));
1200                 ND_PRINT((ndo, "\t\tTruncated data size %d minimum required %d\n", tll,
1201                        OP_MIN_SIZ));
1202                 return invoptlv_print(ndo, dp, tll, ops->op_msk, indent);
1203
1204         }
1205
1206         rc = ops->print(ndo, dp, tll, ops->op_msk, indent + 1);
1207         return rc;
1208
1209 trunc:
1210         ND_PRINT((ndo, "%s", tstr));
1211         return -1;
1212 }
1213
1214 #define ASTDLN  4
1215 #define ASTMCD  255
1216 static int
1217 asttlv_print(netdissect_options *ndo,
1218              register const u_char * pptr, register u_int len,
1219              uint16_t op_msk _U_, int indent)
1220 {
1221         uint32_t rescode;
1222         u_int dlen;
1223         char *ib = indent_pr(indent, 0);
1224
1225         /*
1226          * forces_type_print() has ensured that len (the TLV length)
1227          * >= TLV_HDRL.
1228          */
1229         dlen = len - TLV_HDRL;
1230         if (dlen != ASTDLN) {
1231                 ND_PRINT((ndo, "illegal ASTresult-TLV: %d bytes!\n", dlen));
1232                 return -1;
1233         }
1234         ND_TCHECK2(*pptr, 4);
1235         rescode = EXTRACT_32BITS(pptr);
1236         if (rescode > ASTMCD) {
1237                 ND_PRINT((ndo, "illegal ASTresult result code: %d!\n", rescode));
1238                 return -1;
1239         }
1240
1241         if (ndo->ndo_vflag >= 3) {
1242                 ND_PRINT((ndo, "Teardown reason:\n%s", ib));
1243                 switch (rescode) {
1244                 case 0:
1245                         ND_PRINT((ndo, "Normal Teardown"));
1246                         break;
1247                 case 1:
1248                         ND_PRINT((ndo, "Loss of Heartbeats"));
1249                         break;
1250                 case 2:
1251                         ND_PRINT((ndo, "Out of bandwidth"));
1252                         break;
1253                 case 3:
1254                         ND_PRINT((ndo, "Out of Memory"));
1255                         break;
1256                 case 4:
1257                         ND_PRINT((ndo, "Application Crash"));
1258                         break;
1259                 default:
1260                         ND_PRINT((ndo, "Unknown Teardown reason"));
1261                         break;
1262                 }
1263                 ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
1264         }
1265         return 0;
1266
1267 trunc:
1268         ND_PRINT((ndo, "%s", tstr));
1269         return -1;
1270 }
1271
1272 #define ASRDLN  4
1273 #define ASRMCD  3
1274 static int
1275 asrtlv_print(netdissect_options *ndo,
1276              register const u_char * pptr, register u_int len,
1277              uint16_t op_msk _U_, int indent)
1278 {
1279         uint32_t rescode;
1280         u_int dlen;
1281         char *ib = indent_pr(indent, 0);
1282
1283         /*
1284          * forces_type_print() has ensured that len (the TLV length)
1285          * >= TLV_HDRL.
1286          */
1287         dlen = len - TLV_HDRL;
1288         if (dlen != ASRDLN) {   /* id, instance, oper tlv */
1289                 ND_PRINT((ndo, "illegal ASRresult-TLV: %d bytes!\n", dlen));
1290                 return -1;
1291         }
1292         ND_TCHECK2(*pptr, 4);
1293         rescode = EXTRACT_32BITS(pptr);
1294
1295         if (rescode > ASRMCD) {
1296                 ND_PRINT((ndo, "illegal ASRresult result code: %d!\n", rescode));
1297                 return -1;
1298         }
1299
1300         if (ndo->ndo_vflag >= 3) {
1301                 ND_PRINT((ndo, "\n%s", ib));
1302                 switch (rescode) {
1303                 case 0:
1304                         ND_PRINT((ndo, "Success "));
1305                         break;
1306                 case 1:
1307                         ND_PRINT((ndo, "FE ID invalid "));
1308                         break;
1309                 case 2:
1310                         ND_PRINT((ndo, "permission denied "));
1311                         break;
1312                 default:
1313                         ND_PRINT((ndo, "Unknown "));
1314                         break;
1315                 }
1316                 ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
1317         }
1318         return 0;
1319
1320 trunc:
1321         ND_PRINT((ndo, "%s", tstr));
1322         return -1;
1323 }
1324
1325 #if 0
1326 /*
1327  * XXX - not used.
1328  */
1329 static int
1330 gentltlv_print(netdissect_options *ndo,
1331                register const u_char * pptr _U_, register u_int len,
1332                uint16_t op_msk _U_, int indent _U_)
1333 {
1334         u_int dlen = len - TLV_HDRL;
1335
1336         if (dlen < 4) {         /* at least 32 bits must exist */
1337                 ND_PRINT((ndo, "truncated TLV: %d bytes missing! ", 4 - dlen));
1338                 return -1;
1339         }
1340         return 0;
1341 }
1342 #endif
1343
1344 #define RD_MIN 8
1345
1346 static int
1347 print_metailv(netdissect_options *ndo,
1348               register const u_char * pptr, uint16_t op_msk _U_, int indent)
1349 {
1350         u_int rlen;
1351         char *ib = indent_pr(indent, 0);
1352         /* XXX: check header length */
1353         const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
1354
1355         /*
1356          * print_metatlv() has ensured that len (what remains in the
1357          * ILV) >= ILV_HDRL.
1358          */
1359         rlen = EXTRACT_32BITS(&ilv->length) - ILV_HDRL;
1360         ND_TCHECK(*ilv);
1361         ND_PRINT((ndo, "%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
1362                EXTRACT_32BITS(&ilv->length)));
1363         if (ndo->ndo_vflag >= 3) {
1364                 hex_print_with_offset(ndo, "\t\t[", ILV_DATA(ilv), rlen, 0);
1365                 ND_PRINT((ndo, " ]\n"));
1366         }
1367         return 0;
1368
1369 trunc:
1370         ND_PRINT((ndo, "%s", tstr));
1371         return -1;
1372 }
1373
1374 static int
1375 print_metatlv(netdissect_options *ndo,
1376               register const u_char * pptr, register u_int len,
1377               uint16_t op_msk _U_, int indent)
1378 {
1379         u_int dlen;
1380         char *ib = indent_pr(indent, 0);
1381         u_int rlen;
1382         const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
1383         int invilv;
1384
1385         /*
1386          * redirect_print() has ensured that len (what remains in the
1387          * TLV) >= TLV_HDRL.
1388          */
1389         dlen = len - TLV_HDRL;
1390         rlen = dlen;
1391         ND_PRINT((ndo, "\n%s METADATA length %d \n", ib, rlen));
1392         while (rlen != 0) {
1393                 ND_TCHECK(*ilv);
1394                 invilv = ilv_valid(ilv, rlen);
1395                 if (invilv) {
1396                         break;
1397                 }
1398
1399                 /*
1400                  * At this point, ilv_valid() has ensured that the ILV
1401                  * length is large enough but not too large (it doesn't
1402                  * go past the end of the containing TLV).
1403                  */
1404                 print_metailv(ndo, (u_char *) ilv, 0, indent + 1);
1405                 ilv = GO_NXT_ILV(ilv, rlen);
1406         }
1407
1408         return 0;
1409
1410 trunc:
1411         ND_PRINT((ndo, "%s", tstr));
1412         return -1;
1413 }
1414
1415
1416 static int
1417 print_reddata(netdissect_options *ndo,
1418               register const u_char * pptr, register u_int len,
1419               uint16_t op_msk _U_, int indent _U_)
1420 {
1421         u_int dlen;
1422         char *ib = indent_pr(indent, 0);
1423         u_int rlen;
1424
1425         dlen = len - TLV_HDRL;
1426         rlen = dlen;
1427         ND_PRINT((ndo, "\n%s Redirect Data length %d \n", ib, rlen));
1428
1429         if (ndo->ndo_vflag >= 3) {
1430                 ND_PRINT((ndo, "\t\t["));
1431                 hex_print_with_offset(ndo, "\n\t\t", pptr, rlen, 0);
1432                 ND_PRINT((ndo, "\n\t\t]"));
1433         }
1434
1435         return 0;
1436 }
1437
1438 static int
1439 redirect_print(netdissect_options *ndo,
1440                register const u_char * pptr, register u_int len,
1441                uint16_t op_msk _U_, int indent)
1442 {
1443         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
1444         u_int dlen;
1445         u_int rlen;
1446         u_int invtlv;
1447
1448         /*
1449          * forces_type_print() has ensured that len (the TLV length)
1450          * >= TLV_HDRL.
1451          */
1452         dlen = len - TLV_HDRL;
1453         if (dlen <= RD_MIN) {
1454                 ND_PRINT((ndo, "\n\t\ttruncated Redirect TLV: %d bytes missing! ",
1455                        RD_MIN - dlen));
1456                 return -1;
1457         }
1458
1459         rlen = dlen;
1460         indent += 1;
1461         while (rlen != 0) {
1462                 ND_TCHECK(*tlv);
1463                 invtlv = tlv_valid(tlv, rlen);
1464                 if (invtlv) {
1465                         ND_PRINT((ndo, "Bad Redirect data\n"));
1466                         break;
1467                 }
1468
1469                 /*
1470                  * At this point, tlv_valid() has ensured that the TLV
1471                  * length is large enough but not too large (it doesn't
1472                  * go past the end of the containing TLV).
1473                  */
1474                 if (EXTRACT_16BITS(&tlv->type) == F_TLV_METD) {
1475                         print_metatlv(ndo, (u_char *) TLV_DATA(tlv),
1476                                       EXTRACT_16BITS(&tlv->length), 0, indent);
1477                 } else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
1478                         print_reddata(ndo, (u_char *) TLV_DATA(tlv),
1479                                       EXTRACT_16BITS(&tlv->length), 0, indent);
1480                 } else {
1481                         ND_PRINT((ndo, "Unknown REDIRECT TLV 0x%x len %d\n",
1482                                EXTRACT_16BITS(&tlv->type),
1483                                EXTRACT_16BITS(&tlv->length)));
1484                 }
1485
1486                 tlv = GO_NXT_TLV(tlv, rlen);
1487         }
1488
1489         if (rlen) {
1490                 ND_PRINT((ndo,
1491                           "\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1492                           EXTRACT_16BITS(&tlv->type),
1493                           rlen - EXTRACT_16BITS(&tlv->length)));
1494                 return -1;
1495         }
1496
1497         return 0;
1498
1499 trunc:
1500         ND_PRINT((ndo, "%s", tstr));
1501         return -1;
1502 }
1503
1504 #define OP_OFF 8
1505 #define OP_MIN 12
1506
1507 static int
1508 lfbselect_print(netdissect_options *ndo,
1509                 register const u_char * pptr, register u_int len,
1510                 uint16_t op_msk, int indent)
1511 {
1512         const struct forces_lfbsh *lfbs;
1513         const struct forces_tlv *otlv;
1514         char *ib = indent_pr(indent, 0);
1515         u_int dlen;
1516         u_int rlen;
1517         u_int invtlv;
1518
1519         /*
1520          * forces_type_print() has ensured that len (the TLV length)
1521          * >= TLV_HDRL.
1522          */
1523         dlen = len - TLV_HDRL;
1524         if (dlen <= OP_MIN) {   /* id, instance, oper tlv header .. */
1525                 ND_PRINT((ndo, "\n\t\ttruncated lfb selector: %d bytes missing! ",
1526                        OP_MIN - dlen));
1527                 return -1;
1528         }
1529
1530         /*
1531          * At this point, we know that dlen > OP_MIN; OP_OFF < OP_MIN, so
1532          * we also know that it's > OP_OFF.
1533          */
1534         rlen = dlen - OP_OFF;
1535
1536         lfbs = (const struct forces_lfbsh *)pptr;
1537         ND_TCHECK(*lfbs);
1538         if (ndo->ndo_vflag >= 3) {
1539                 ND_PRINT((ndo, "\n%s%s(Classid %x) instance %x\n",
1540                        ib, tok2str(ForCES_LFBs, NULL, EXTRACT_32BITS(&lfbs->class)),
1541                        EXTRACT_32BITS(&lfbs->class),
1542                        EXTRACT_32BITS(&lfbs->instance)));
1543         }
1544
1545         otlv = (struct forces_tlv *)(lfbs + 1);
1546
1547         indent += 1;
1548         while (rlen != 0) {
1549                 ND_TCHECK(*otlv);
1550                 invtlv = tlv_valid(otlv, rlen);
1551                 if (invtlv)
1552                         break;
1553
1554                 /*
1555                  * At this point, tlv_valid() has ensured that the TLV
1556                  * length is large enough but not too large (it doesn't
1557                  * go past the end of the containing TLV).
1558                  */
1559                 if (op_valid(EXTRACT_16BITS(&otlv->type), op_msk)) {
1560                         otlv_print(ndo, otlv, 0, indent);
1561                 } else {
1562                         if (ndo->ndo_vflag < 3)
1563                                 ND_PRINT((ndo, "\n"));
1564                         ND_PRINT((ndo,
1565                                   "\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
1566                                   EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length)));
1567                         invoptlv_print(ndo, (u_char *)otlv, rlen, 0, indent);
1568                 }
1569                 otlv = GO_NXT_TLV(otlv, rlen);
1570         }
1571
1572         if (rlen) {
1573                 ND_PRINT((ndo,
1574                           "\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1575                           EXTRACT_16BITS(&otlv->type), rlen - EXTRACT_16BITS(&otlv->length)));
1576                 return -1;
1577         }
1578
1579         return 0;
1580
1581 trunc:
1582         ND_PRINT((ndo, "%s", tstr));
1583         return -1;
1584 }
1585
1586 static int
1587 forces_type_print(netdissect_options *ndo,
1588                   register const u_char * pptr, const struct forcesh *fhdr _U_,
1589                   register u_int mlen, const struct tom_h *tops)
1590 {
1591         const struct forces_tlv *tltlv;
1592         u_int rlen;
1593         u_int invtlv;
1594         int rc = 0;
1595         int ttlv = 0;
1596
1597         /*
1598          * forces_print() has already checked that mlen >= ForCES_HDRL
1599          * by calling ForCES_HLN_VALID().
1600          */
1601         rlen = mlen - ForCES_HDRL;
1602
1603         if (rlen > TLV_HLN) {
1604                 if (tops->flags & ZERO_TTLV) {
1605                         ND_PRINT((ndo, "<0x%x>Illegal Top level TLV!\n", tops->flags));
1606                         return -1;
1607                 }
1608         } else {
1609                 if (tops->flags & ZERO_MORE_TTLV)
1610                         return 0;
1611                 if (tops->flags & ONE_MORE_TTLV) {
1612                         ND_PRINT((ndo, "\tTop level TLV Data missing!\n"));
1613                         return -1;
1614                 }
1615         }
1616
1617         if (tops->flags & ZERO_TTLV) {
1618                 return 0;
1619         }
1620
1621         ttlv = tops->flags >> 4;
1622         tltlv = GET_TOP_TLV(pptr);
1623
1624         /*XXX: 15 top level tlvs will probably be fine
1625            You are nuts if you send more ;-> */
1626         while (rlen != 0) {
1627                 ND_TCHECK(*tltlv);
1628                 invtlv = tlv_valid(tltlv, rlen);
1629                 if (invtlv)
1630                         break;
1631
1632                 /*
1633                  * At this point, tlv_valid() has ensured that the TLV
1634                  * length is large enough but not too large (it doesn't
1635                  * go past the end of the packet).
1636                  */
1637                 if (!ttlv_valid(EXTRACT_16BITS(&tltlv->type))) {
1638                         ND_PRINT((ndo, "\n\tInvalid ForCES Top TLV type=0x%x",
1639                                EXTRACT_16BITS(&tltlv->type)));
1640                         return -1;
1641                 }
1642
1643                 if (ndo->ndo_vflag >= 3)
1644                         ND_PRINT((ndo, "\t%s, length %d (data length %d Bytes)",
1645                                tok2str(ForCES_TLV, NULL, EXTRACT_16BITS(&tltlv->type)),
1646                                EXTRACT_16BITS(&tltlv->length),
1647                                EXTRACT_16BITS(&tltlv->length) - TLV_HDRL));
1648
1649                 rc = tops->print(ndo, (u_char *) TLV_DATA(tltlv),
1650                                  EXTRACT_16BITS(&tltlv->length), tops->op_msk, 9);
1651                 if (rc < 0) {
1652                         return -1;
1653                 }
1654                 tltlv = GO_NXT_TLV(tltlv, rlen);
1655                 ttlv--;
1656                 if (ttlv <= 0)
1657                         break;
1658         }
1659         /*
1660          * XXX - if ttlv != 0, does that mean that the packet was too
1661          * short, and didn't have *enough* TLVs in it?
1662          */
1663         if (rlen) {
1664                 ND_PRINT((ndo, "\tMess TopTLV header: min %u, total %d advertised %d ",
1665                        TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length)));
1666                 return -1;
1667         }
1668
1669         return 0;
1670
1671 trunc:
1672         ND_PRINT((ndo, "%s", tstr));
1673         return -1;
1674 }
1675
1676 void
1677 forces_print(netdissect_options *ndo,
1678              register const u_char * pptr, register u_int len)
1679 {
1680         const struct forcesh *fhdr;
1681         u_int mlen;
1682         uint32_t flg_raw;
1683         const struct tom_h *tops;
1684         int rc = 0;
1685
1686         fhdr = (const struct forcesh *)pptr;
1687         ND_TCHECK(*fhdr);
1688         if (!tom_valid(fhdr->fm_tom)) {
1689                 ND_PRINT((ndo, "Invalid ForCES message type %d\n", fhdr->fm_tom));
1690                 goto error;
1691         }
1692
1693         mlen = ForCES_BLN(fhdr);
1694
1695         tops = get_forces_tom(fhdr->fm_tom);
1696         if (tops->v == TOM_RSVD) {
1697                 ND_PRINT((ndo, "\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom));
1698                 goto error;
1699         }
1700
1701         ND_PRINT((ndo, "\n\tForCES %s ", tops->s));
1702         if (!ForCES_HLN_VALID(mlen, len)) {
1703                 ND_PRINT((ndo,
1704                           "Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
1705                           ForCES_HDRL, len, ForCES_BLN(fhdr)));
1706                 goto error;
1707         }
1708
1709         ND_TCHECK2(*(pptr + 20), 4);
1710         flg_raw = EXTRACT_32BITS(pptr + 20);
1711         if (ndo->ndo_vflag >= 1) {
1712                 ND_PRINT((ndo, "\n\tForCES Version %d len %uB flags 0x%08x ",
1713                        ForCES_V(fhdr), mlen, flg_raw));
1714                 ND_PRINT((ndo,
1715                        "\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
1716                        ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
1717                        ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
1718                        EXTRACT_64BITS(fhdr->fm_cor)));
1719
1720         }
1721         if (ndo->ndo_vflag >= 2) {
1722                 ND_PRINT((ndo,
1723                      "\n\tForCES flags:\n\t  %s(0x%x), prio=%d, %s(0x%x),\n\t  %s(0x%x), %s(0x%x)\n",
1724                      tok2str(ForCES_ACKs, "ACKUnknown", ForCES_ACK(fhdr)),
1725                      ForCES_ACK(fhdr),
1726                      ForCES_PRI(fhdr),
1727                      tok2str(ForCES_EMs, "EMUnknown", ForCES_EM(fhdr)),
1728                      ForCES_EM(fhdr),
1729                      tok2str(ForCES_ATs, "ATUnknown", ForCES_AT(fhdr)),
1730                      ForCES_AT(fhdr),
1731                      tok2str(ForCES_TPs, "TPUnknown", ForCES_TP(fhdr)),
1732                      ForCES_TP(fhdr)));
1733                 ND_PRINT((ndo,
1734                      "\t  Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
1735                      ForCES_RS1(fhdr), ForCES_RS2(fhdr)));
1736         }
1737         rc = forces_type_print(ndo, pptr, fhdr, mlen, tops);
1738         if (rc < 0) {
1739 error:
1740                 hex_print_with_offset(ndo, "\n\t[", pptr, len, 0);
1741                 ND_PRINT((ndo, "\n\t]"));
1742                 return;
1743         }
1744
1745         if (ndo->ndo_vflag >= 4) {
1746                 ND_PRINT((ndo, "\n\t  Raw ForCES message\n\t ["));
1747                 hex_print_with_offset(ndo, "\n\t ", pptr, len, 0);
1748                 ND_PRINT((ndo, "\n\t ]"));
1749         }
1750         ND_PRINT((ndo, "\n"));
1751         return;
1752
1753 trunc:
1754         ND_PRINT((ndo, "%s", tstr));
1755 }
1756 /*
1757  * Local Variables:
1758  * c-style: whitesmith
1759  * c-basic-offset: 8
1760  * End:
1761  */