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 <stdio.h>
24 #include <stdlib.h>
25
26 #include "interface.h"
27 #include "extract.h"
28
29
30 /*
31 * Per draft-ietf-forces-protocol-22
32 */
33 #define ForCES_VERS 1
34 #define ForCES_HDRL 24
35 #define ForCES_ALNL 4U
36 #define TLV_HDRL 4
37 #define ILV_HDRL 8
38
39 #define TOM_RSVD 0x0
40 #define TOM_ASSNSETUP 0x1
41 #define TOM_ASSNTEARD 0x2
42 #define TOM_CONFIG 0x3
43 #define TOM_QUERY 0x4
44 #define TOM_EVENTNOT 0x5
45 #define TOM_PKTREDIR 0x6
46 #define TOM_HEARTBT 0x0F
47 #define TOM_ASSNSETREP 0x11
48 #define TOM_CONFIGREP 0x13
49 #define TOM_QUERYREP 0x14
50
51 /*
52 * tom_h Flags: resv1(8b):maxtlvs(4b):resv2(2b):mintlv(2b)
53 */
54 #define ZERO_TTLV 0x01
55 #define ZERO_MORE_TTLV 0x02
56 #define ONE_MORE_TTLV 0x04
57 #define ZERO_TLV 0x00
58 #define ONE_TLV 0x10
59 #define TWO_TLV 0x20
60 #define MAX_TLV 0xF0
61
62 #define TTLV_T1 (ONE_MORE_TTLV|ONE_TLV)
63 #define TTLV_T2 (ONE_MORE_TTLV|MAX_TLV)
64
65 struct tom_h {
66 u_int32_t v;
67 u_int16_t flags;
68 u_int16_t op_msk;
69 const char *s;
70 int (*print) (register const u_char * pptr, register u_int len,
71 u_int16_t op_msk, int indent);
72 };
73
74 enum {
75 TOM_RSV_I,
76 TOM_ASS_I,
77 TOM_AST_I,
78 TOM_CFG_I,
79 TOM_QRY_I,
80 TOM_EVN_I,
81 TOM_RED_I,
82 TOM_HBT_I,
83 TOM_ASR_I,
84 TOM_CNR_I,
85 TOM_QRR_I,
86 _TOM_RSV_MAX
87 };
88 #define TOM_MAX_IND (_TOM_RSV_MAX - 1)
89
tom_valid(u_int8_t tom)90 static inline int tom_valid(u_int8_t tom)
91 {
92 if (tom > 0) {
93 if (tom >= 0x7 && tom <= 0xe)
94 return 0;
95 if (tom == 0x10)
96 return 0;
97 if (tom > 0x14)
98 return 0;
99 return 1;
100 } else
101 return 0;
102 }
103
ForCES_node(u_int32_t node)104 static inline const char *ForCES_node(u_int32_t node)
105 {
106 if (node <= 0x3FFFFFFF)
107 return "FE";
108 if (node >= 0x40000000 && node <= 0x7FFFFFFF)
109 return "CE";
110 if (node >= 0xC0000000 && node <= 0xFFFFFFEF)
111 return "AllMulticast";
112 if (node == 0xFFFFFFFD)
113 return "AllCEsBroadcast";
114 if (node == 0xFFFFFFFE)
115 return "AllFEsBroadcast";
116 if (node == 0xFFFFFFFF)
117 return "AllBroadcast";
118
119 return "ForCESreserved";
120
121 }
122
ForCES_ACKp(u_int32_t flg)123 static inline const char *ForCES_ACKp(u_int32_t flg)
124 {
125 if (flg == 0x0)
126 return "NoACK";
127 if (flg == 0x1)
128 return "SuccessACK";
129 if (flg == 0x2)
130 return "FailureACK";
131 if (flg == 0x3)
132 return "AlwaysACK";
133 return "ACKUnknown";
134 }
135
ForCES_EMp(u_int32_t flg)136 static inline const char *ForCES_EMp(u_int32_t flg)
137 {
138 if (flg == 0x0)
139 return "EMReserved";
140 if (flg == 0x1)
141 return "execute-all-or-none";
142 if (flg == 0x2)
143 return "execute-until-failure";
144 if (flg == 0x3)
145 return "continue-execute-on-failure";
146 return "EMUnknown";
147 }
148
ForCES_ATp(u_int32_t flg)149 static inline const char *ForCES_ATp(u_int32_t flg)
150 {
151 if (flg == 0x0)
152 return "Standalone";
153 if (flg == 0x1)
154 return "2PCtransaction";
155 return "ATUnknown";
156 }
157
ForCES_TPp(u_int32_t flg)158 static inline const char *ForCES_TPp(u_int32_t flg)
159 {
160 if (flg == 0x0)
161 return "StartofTransaction";
162 if (flg == 0x1)
163 return "MiddleofTransaction";
164 if (flg == 0x2)
165 return "EndofTransaction";
166 if (flg == 0x3)
167 return "abort";
168 return "TPUnknown";
169 }
170
171 /*
172 * Structure of forces header, naked of TLVs.
173 */
174 struct forcesh {
175 u_int8_t fm_vrsvd; /* version and reserved */
176 #define ForCES_V(forcesh) ((forcesh)->fm_vrsvd >> 4)
177 u_int8_t fm_tom; /* type of message */
178 u_int16_t fm_len; /* total length * 4 bytes */
179 #define ForCES_BLN(forcesh) ((u_int32_t)(EXTRACT_16BITS(&(forcesh)->fm_len) << 2))
180 u_int32_t fm_sid; /* Source ID */
181 #define ForCES_SID(forcesh) EXTRACT_32BITS(&(forcesh)->fm_sid)
182 u_int32_t fm_did; /* Destination ID */
183 #define ForCES_DID(forcesh) EXTRACT_32BITS(&(forcesh)->fm_did)
184 u_int8_t fm_cor[8]; /* correlator */
185 u_int32_t fm_flags; /* flags */
186 #define ForCES_ACK(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0xC0000000) >> 30)
187 #define ForCES_PRI(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x38000000) >> 27)
188 #define ForCES_RS1(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x07000000) >> 24)
189 #define ForCES_EM(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00C00000) >> 22)
190 #define ForCES_AT(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00200000) >> 21)
191 #define ForCES_TP(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00180000) >> 19)
192 #define ForCES_RS2(forcesh) ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x0007FFFF) >> 0)
193 };
194
195 #define ForCES_HLN_VALID(fhl,tlen) ((tlen) >= ForCES_HDRL && \
196 (fhl) >= ForCES_HDRL && \
197 (fhl) == (tlen))
198
199 #define F_LFB_RSVD 0x0
200 #define F_LFB_FEO 0x1
201 #define F_LFB_FEPO 0x2
202 static const struct tok ForCES_LFBs[] = {
203 {F_LFB_RSVD, "Invalid TLV"},
204 {F_LFB_FEO, "FEObj LFB"},
205 {F_LFB_FEPO, "FEProtoObj LFB"},
206 {0, NULL}
207 };
208
209 enum {
210 F_OP_RSV,
211 F_OP_SET,
212 F_OP_SETPROP,
213 F_OP_SETRESP,
214 F_OP_SETPRESP,
215 F_OP_DEL,
216 F_OP_DELRESP,
217 F_OP_GET,
218 F_OP_GETPROP,
219 F_OP_GETRESP,
220 F_OP_GETPRESP,
221 F_OP_REPORT,
222 F_OP_COMMIT,
223 F_OP_RCOMMIT,
224 F_OP_RTRCOMP,
225 _F_OP_MAX
226 };
227
228 #define F_OP_MAX (_F_OP_MAX - 1)
229 enum {
230 B_OP_SET = 1 << (F_OP_SET - 1),
231 B_OP_SETPROP = 1 << (F_OP_SETPROP - 1),
232 B_OP_SETRESP = 1 << (F_OP_SETRESP - 1),
233 B_OP_SETPRESP = 1 << (F_OP_SETPRESP - 1),
234 B_OP_DEL = 1 << (F_OP_DEL - 1),
235 B_OP_DELRESP = 1 << (F_OP_DELRESP - 1),
236 B_OP_GET = 1 << (F_OP_GET - 1),
237 B_OP_GETPROP = 1 << (F_OP_GETPROP - 1),
238 B_OP_GETRESP = 1 << (F_OP_GETRESP - 1),
239 B_OP_GETPRESP = 1 << (F_OP_GETPRESP - 1),
240 B_OP_REPORT = 1 << (F_OP_REPORT - 1),
241 B_OP_COMMIT = 1 << (F_OP_COMMIT - 1),
242 B_OP_RCOMMIT = 1 << (F_OP_RCOMMIT - 1),
243 B_OP_RTRCOMP = 1 << (F_OP_RTRCOMP - 1),
244 };
245
246 struct optlv_h {
247 u_int16_t flags;
248 u_int16_t op_msk;
249 const char *s;
250 int (*print) (register const u_char * pptr, register u_int len,
251 u_int16_t op_msk, int indent);
252 };
253
254 static int genoptlv_print(register const u_char * pptr, register u_int len,
255 u_int16_t op_msk, int indent);
256 static int recpdoptlv_print(register const u_char * pptr, register u_int len,
257 u_int16_t op_msk, int indent);
258 static int invoptlv_print(register const u_char * pptr, register u_int len,
259 u_int16_t op_msk, int indent);
260
261 #define OP_MIN_SIZ 8
262 struct pathdata_h {
263 u_int16_t pflags;
264 u_int16_t pIDcnt;
265 };
266
267 #define B_FULLD 0x1
268 #define B_SPARD 0x2
269 #define B_RESTV 0x4
270 #define B_KEYIN 0x8
271 #define B_APPND 0x10
272 #define B_TRNG 0x20
273
274 static const struct optlv_h OPTLV_msg[F_OP_MAX + 1] = {
275 /* F_OP_RSV */ {ZERO_TTLV, 0, "Invalid OPTLV", invoptlv_print},
276 /* F_OP_SET */ {TTLV_T2, B_FULLD | B_SPARD, " Set", recpdoptlv_print},
277 /* F_OP_SETPROP */
278 {TTLV_T2, B_FULLD | B_SPARD, " SetProp", recpdoptlv_print},
279 /* F_OP_SETRESP */ {TTLV_T2, B_RESTV, " SetResp", recpdoptlv_print},
280 /* F_OP_SETPRESP */ {TTLV_T2, B_RESTV, " SetPropResp", recpdoptlv_print},
281 /* F_OP_DEL */ {ZERO_TTLV, 0, " Del", recpdoptlv_print},
282 /* F_OP_DELRESP */ {TTLV_T2, B_RESTV, " DelResp", recpdoptlv_print},
283 /* F_OP_GET */ {ZERO_TTLV, 0, " Get", recpdoptlv_print},
284 /* F_OP_GETPROP */ {ZERO_TTLV, 0, " GetProp", recpdoptlv_print},
285 /* F_OP_GETRESP */
286 {TTLV_T2, B_FULLD | B_SPARD | B_RESTV, " GetResp", recpdoptlv_print},
287 /* F_OP_GETPRESP */
288 {TTLV_T2, B_FULLD | B_RESTV, " GetPropResp", recpdoptlv_print},
289 /* F_OP_REPORT */
290 {TTLV_T2, B_FULLD | B_SPARD, " Report", recpdoptlv_print},
291 /* F_OP_COMMIT */ {ZERO_TTLV, 0, " Commit", NULL},
292 /* F_OP_RCOMMIT */ {TTLV_T1, B_RESTV, " RCommit", genoptlv_print},
293 /* F_OP_RTRCOMP */ {ZERO_TTLV, 0, " RTRCOMP", NULL},
294 };
295
get_forces_optlv_h(u_int16_t opt)296 static inline const struct optlv_h *get_forces_optlv_h(u_int16_t opt)
297 {
298 if (opt > F_OP_MAX || opt <= F_OP_RSV)
299 return &OPTLV_msg[F_OP_RSV];
300
301 return &OPTLV_msg[opt];
302 }
303
304 #define IND_SIZE 256
305 #define IND_CHR ' '
306 #define IND_PREF '\n'
307 #define IND_SUF 0x0
308 char ind_buf[IND_SIZE];
309
indent_pr(int indent,int nlpref)310 static inline char *indent_pr(int indent, int nlpref)
311 {
312 int i = 0;
313 char *r = ind_buf;
314
315 if (indent > (IND_SIZE - 1))
316 indent = IND_SIZE - 1;
317
318 if (nlpref) {
319 r[i] = IND_PREF;
320 i++;
321 indent--;
322 }
323
324 while (--indent >= 0)
325 r[i++] = IND_CHR;
326
327 r[i] = IND_SUF;
328 return r;
329 }
330
op_valid(u_int16_t op,u_int16_t mask)331 static inline int op_valid(u_int16_t op, u_int16_t mask)
332 {
333 int opb = 1 << (op - 1);
334
335 if (op == 0)
336 return 0;
337 if (opb & mask)
338 return 1;
339 /* I guess we should allow vendor operations? */
340 if (op >= 0x8000)
341 return 1;
342 return 0;
343 }
344
345 #define F_TLV_RSVD 0x0000
346 #define F_TLV_REDR 0x0001
347 #define F_TLV_ASRS 0x0010
348 #define F_TLV_ASRT 0x0011
349 #define F_TLV_LFBS 0x1000
350 #define F_TLV_PDAT 0x0110
351 #define F_TLV_KEYI 0x0111
352 #define F_TLV_FULD 0x0112
353 #define F_TLV_SPAD 0x0113
354 #define F_TLV_REST 0x0114
355 #define F_TLV_METD 0x0115
356 #define F_TLV_REDD 0x0116
357 #define F_TLV_TRNG 0x0117
358
359
360 #define F_TLV_VNST 0x8000
361
362 static const struct tok ForCES_TLV[] = {
363 {F_TLV_RSVD, "Invalid TLV"},
364 {F_TLV_REDR, "REDIRECT TLV"},
365 {F_TLV_ASRS, "ASResult TLV"},
366 {F_TLV_ASRT, "ASTreason TLV"},
367 {F_TLV_LFBS, "LFBselect TLV"},
368 {F_TLV_PDAT, "PATH-DATA TLV"},
369 {F_TLV_KEYI, "KEYINFO TLV"},
370 {F_TLV_FULD, "FULLDATA TLV"},
371 {F_TLV_SPAD, "SPARSEDATA TLV"},
372 {F_TLV_REST, "RESULT TLV"},
373 {F_TLV_METD, "METADATA TLV"},
374 {F_TLV_REDD, "REDIRECTDATA TLV"},
375 {0, NULL}
376 };
377
378 #define TLV_HLN 4
ttlv_valid(u_int16_t ttlv)379 static inline int ttlv_valid(u_int16_t ttlv)
380 {
381 if (ttlv > 0) {
382 if (ttlv == 1 || ttlv == 0x1000)
383 return 1;
384 if (ttlv >= 0x10 && ttlv <= 0x11)
385 return 1;
386 if (ttlv >= 0x110 && ttlv <= 0x116)
387 return 1;
388 if (ttlv >= 0x8000)
389 return 0; /* XXX: */
390 }
391
392 return 0;
393 }
394
395 struct forces_ilv {
396 u_int32_t type;
397 u_int32_t length;
398 };
399
400 struct forces_tlv {
401 u_int16_t type;
402 u_int16_t length;
403 };
404
405 #define F_ALN_LEN(len) ( ((len)+ForCES_ALNL-1) & ~(ForCES_ALNL-1) )
406 #define GET_TOP_TLV(fhdr) ((struct forces_tlv *)((fhdr) + sizeof (struct forcesh)))
407 #define TLV_SET_LEN(len) (F_ALN_LEN(TLV_HDRL) + (len))
408 #define TLV_ALN_LEN(len) F_ALN_LEN(TLV_SET_LEN(len))
409 #define TLV_RDAT_LEN(tlv) ((int)(EXTRACT_16BITS(&(tlv)->length) - TLV_SET_LEN(0))
410 #define TLV_DATA(tlvp) ((void*)(((char*)(tlvp)) + TLV_SET_LEN(0)))
411 #define GO_NXT_TLV(tlv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length)), \
412 (struct forces_tlv*)(((char*)(tlv)) \
413 + F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length))))
414 #define ILV_SET_LEN(len) (F_ALN_LEN(ILV_HDRL) + (len))
415 #define ILV_ALN_LEN(len) F_ALN_LEN(ILV_SET_LEN(len))
416 #define ILV_RDAT_LEN(ilv) ((int)(EXTRACT_32BITS(&(ilv)->length)) - ILV_SET_LEN(0))
417 #define ILV_DATA(ilvp) ((void*)(((char*)(ilvp)) + ILV_SET_LEN(0)))
418 #define GO_NXT_ILV(ilv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length)), \
419 (struct forces_ilv *)(((char*)(ilv)) \
420 + F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length))))
421 #define INVALID_RLEN -1
422 #define INVALID_STLN -2
423 #define INVALID_LTLN -3
424 #define INVALID_ALEN -4
425
426 static const struct tok ForCES_TLV_err[] = {
427 {INVALID_RLEN, "Invalid total length"},
428 {INVALID_STLN, "xLV too short"},
429 {INVALID_LTLN, "xLV too long"},
430 {INVALID_ALEN, "data padding missing"},
431 {0, NULL}
432 };
433
tlv_valid(const struct forces_tlv * tlv,u_int rlen)434 static inline int tlv_valid(const struct forces_tlv *tlv, u_int rlen)
435 {
436 if (rlen < TLV_HDRL)
437 return INVALID_RLEN;
438 if (EXTRACT_16BITS(&tlv->length) < TLV_HDRL)
439 return INVALID_STLN;
440 if (EXTRACT_16BITS(&tlv->length) > rlen)
441 return INVALID_LTLN;
442 if (rlen < F_ALN_LEN(EXTRACT_16BITS(&tlv->length)))
443 return INVALID_ALEN;
444
445 return 0;
446 }
447
ilv_valid(const struct forces_ilv * ilv,u_int rlen)448 static inline int ilv_valid(const struct forces_ilv *ilv, u_int rlen)
449 {
450 if (rlen < ILV_HDRL)
451 return INVALID_RLEN;
452 if (EXTRACT_32BITS(&ilv->length) < ILV_HDRL)
453 return INVALID_STLN;
454 if (EXTRACT_32BITS(&ilv->length) > rlen)
455 return INVALID_LTLN;
456 if (rlen < F_ALN_LEN(EXTRACT_32BITS(&ilv->length)))
457 return INVALID_ALEN;
458
459 return 0;
460 }
461
462 static int lfbselect_print(register const u_char * pptr, register u_int len,
463 u_int16_t op_msk, int indent);
464 static int redirect_print(register const u_char * pptr, register u_int len,
465 u_int16_t op_msk, int indent);
466 static int asrtlv_print(register const u_char * pptr, register u_int len,
467 u_int16_t op_msk, int indent);
468 static int asttlv_print(register const u_char * pptr, register u_int len,
469 u_int16_t op_msk, int indent);
470
471 struct forces_lfbsh {
472 u_int32_t class;
473 u_int32_t instance;
474 };
475
476 #define ASSNS_OPS (B_OP_REPORT)
477 #define CFG_OPS (B_OP_SET|B_OP_SETPROP|B_OP_DEL|B_OP_COMMIT|B_OP_RTRCOMP)
478 #define CFG_ROPS (B_OP_SETRESP|B_OP_SETPRESP|B_OP_DELRESP|B_OP_RCOMMIT)
479 #define CFG_QY (B_OP_GET|B_OP_GETPROP)
480 #define CFG_QYR (B_OP_GETRESP|B_OP_GETPRESP)
481 #define CFG_EVN (B_OP_REPORT)
482
483 static const struct tom_h ForCES_msg[TOM_MAX_IND + 1] = {
484 /* TOM_RSV_I */ {TOM_RSVD, ZERO_TTLV, 0, "Invalid message", NULL},
485 /* TOM_ASS_I */ {TOM_ASSNSETUP, ZERO_MORE_TTLV | TWO_TLV, ASSNS_OPS,
486 "Association Setup", lfbselect_print},
487 /* TOM_AST_I */
488 {TOM_ASSNTEARD, TTLV_T1, 0, "Association TearDown", asttlv_print},
489 /* TOM_CFG_I */ {TOM_CONFIG, TTLV_T2, CFG_OPS, "Config", lfbselect_print},
490 /* TOM_QRY_I */ {TOM_QUERY, TTLV_T2, CFG_QY, "Query", lfbselect_print},
491 /* TOM_EVN_I */ {TOM_EVENTNOT, TTLV_T1, CFG_EVN, "Event Notification",
492 lfbselect_print},
493 /* TOM_RED_I */
494 {TOM_PKTREDIR, TTLV_T2, 0, "Packet Redirect", redirect_print},
495 /* TOM_HBT_I */ {TOM_HEARTBT, ZERO_TTLV, 0, "HeartBeat", NULL},
496 /* TOM_ASR_I */
497 {TOM_ASSNSETREP, TTLV_T1, 0, "Association Response", asrtlv_print},
498 /* TOM_CNR_I */ {TOM_CONFIGREP, TTLV_T2, CFG_ROPS, "Config Response",
499 lfbselect_print},
500 /* TOM_QRR_I */
501 {TOM_QUERYREP, TTLV_T2, CFG_QYR, "Query Response", lfbselect_print},
502 };
503
get_forces_tom(u_int8_t tom)504 static inline const struct tom_h *get_forces_tom(u_int8_t tom)
505 {
506 int i;
507 for (i = TOM_RSV_I; i <= TOM_MAX_IND; i++) {
508 const struct tom_h *th = &ForCES_msg[i];
509 if (th->v == tom)
510 return th;
511 }
512 return &ForCES_msg[TOM_RSV_I];
513 }
514
515 struct pdata_ops {
516 u_int32_t v;
517 u_int16_t flags;
518 u_int16_t op_msk;
519 const char *s;
520 int (*print) (register const u_char * pptr, register u_int len,
521 u_int16_t op_msk, int indent);
522 };
523
524 enum {
525 PD_RSV_I,
526 PD_SEL_I,
527 PD_FDT_I,
528 PD_SDT_I,
529 PD_RES_I,
530 PD_PDT_I,
531 _PD_RSV_MAX
532 };
533 #define PD_MAX_IND (_TOM_RSV_MAX - 1)
534
pd_valid(u_int16_t pd)535 static inline int pd_valid(u_int16_t pd)
536 {
537 if (pd >= F_TLV_PDAT && pd <= F_TLV_REST)
538 return 1;
539 return 0;
540 }
541
chk_op_type(u_int16_t type,u_int16_t msk,u_int16_t omsk)542 static inline void chk_op_type(u_int16_t type, u_int16_t msk, u_int16_t omsk)
543 {
544 if (type != F_TLV_PDAT) {
545 if (msk & B_KEYIN) {
546 if (type != F_TLV_KEYI) {
547 printf
548 ("Based on flags expected KEYINFO TLV!\n");
549 }
550 } else {
551 if (!(msk & omsk)) {
552 printf
553 ("Illegal DATA encoding for type 0x%x programmed %x got %x \n",
554 type, omsk, msk);
555 }
556 }
557 }
558
559 }
560
561 #define F_SELKEY 1
562 #define F_SELTABRANGE 2
563 #define F_TABAPPEND 4
564
565 struct res_val {
566 u_int8_t result;
567 u_int8_t resv1;
568 u_int16_t resv2;
569 };
570
571 static int prestlv_print(register const u_char * pptr, register u_int len,
572 u_int16_t op_msk, int indent);
573 static int pkeyitlv_print(register const u_char * pptr, register u_int len,
574 u_int16_t op_msk, int indent);
575 static int fdatatlv_print(register const u_char * pptr, register u_int len,
576 u_int16_t op_msk, int indent);
577 static int sdatatlv_print(register const u_char * pptr, register u_int len,
578 u_int16_t op_msk, int indent);
579
580 static const struct pdata_ops ForCES_pdata[PD_MAX_IND + 1] = {
581 /* PD_RSV_I */ {0, 0, 0, "Invalid message", NULL},
582 /* PD_SEL_I */ {F_TLV_KEYI, 0, 0, "KEYINFO TLV", pkeyitlv_print},
583 /* PD_FDT_I */ {F_TLV_FULD, 0, B_FULLD, "FULLDATA TLV", fdatatlv_print},
584 /* PD_SDT_I */ {F_TLV_SPAD, 0, B_SPARD, "SPARSEDATA TLV", sdatatlv_print},
585 /* PD_RES_I */ {F_TLV_REST, 0, B_RESTV, "RESULT TLV", prestlv_print},
586 /* PD_PDT_I */
587 {F_TLV_PDAT, 0, 0, "Inner PATH-DATA TLV", recpdoptlv_print},
588 };
589
get_forces_pd(u_int16_t pd)590 static inline const struct pdata_ops *get_forces_pd(u_int16_t pd)
591 {
592 int i;
593 for (i = PD_RSV_I + 1; i <= PD_MAX_IND; i++) {
594 const struct pdata_ops *pdo = &ForCES_pdata[i];
595 if (pdo->v == pd)
596 return pdo;
597 }
598 return &ForCES_pdata[TOM_RSV_I];
599 }
600
601 enum {
602 E_SUCCESS,
603 E_INVALID_HEADER,
604 E_LENGTH_MISMATCH,
605 E_VERSION_MISMATCH,
606 E_INVALID_DESTINATION_PID,
607 E_LFB_UNKNOWN,
608 E_LFB_NOT_FOUND,
609 E_LFB_INSTANCE_ID_NOT_FOUND,
610 E_INVALID_PATH,
611 E_COMPONENT_DOES_NOT_EXIST,
612 E_EXISTS,
613 E_NOT_FOUND,
614 E_READ_ONLY,
615 E_INVALID_ARRAY_CREATION,
616 E_VALUE_OUT_OF_RANGE,
617 E_CONTENTS_TOO_LONG,
618 E_INVALID_PARAMETERS,
619 E_INVALID_MESSAGE_TYPE,
620 E_INVALID_FLAGS,
621 E_INVALID_TLV,
622 E_EVENT_ERROR,
623 E_NOT_SUPPORTED,
624 E_MEMORY_ERROR,
625 E_INTERNAL_ERROR,
626 /* 0x18-0xFE are reserved .. */
627 E_UNSPECIFIED_ERROR = 0XFF
628 };
629
630 static const struct tok ForCES_errs[] = {
631 {E_SUCCESS, "SUCCESS"},
632 {E_INVALID_HEADER, "INVALID HEADER"},
633 {E_LENGTH_MISMATCH, "LENGTH MISMATCH"},
634 {E_VERSION_MISMATCH, "VERSION MISMATCH"},
635 {E_INVALID_DESTINATION_PID, "INVALID DESTINATION PID"},
636 {E_LFB_UNKNOWN, "LFB UNKNOWN"},
637 {E_LFB_NOT_FOUND, "LFB NOT FOUND"},
638 {E_LFB_INSTANCE_ID_NOT_FOUND, "LFB INSTANCE ID NOT FOUND"},
639 {E_INVALID_PATH, "INVALID PATH"},
640 {E_COMPONENT_DOES_NOT_EXIST, "COMPONENT DOES NOT EXIST"},
641 {E_EXISTS, "EXISTS ALREADY"},
642 {E_NOT_FOUND, "NOT FOUND"},
643 {E_READ_ONLY, "READ ONLY"},
644 {E_INVALID_ARRAY_CREATION, "INVALID ARRAY CREATION"},
645 {E_VALUE_OUT_OF_RANGE, "VALUE OUT OF RANGE"},
646 {E_CONTENTS_TOO_LONG, "CONTENTS TOO LONG"},
647 {E_INVALID_PARAMETERS, "INVALID PARAMETERS"},
648 {E_INVALID_MESSAGE_TYPE, "INVALID MESSAGE TYPE"},
649 {E_INVALID_FLAGS, "INVALID FLAGS"},
650 {E_INVALID_TLV, "INVALID TLV"},
651 {E_EVENT_ERROR, "EVENT ERROR"},
652 {E_NOT_SUPPORTED, "NOT SUPPORTED"},
653 {E_MEMORY_ERROR, "MEMORY ERROR"},
654 {E_INTERNAL_ERROR, "INTERNAL ERROR"},
655 {E_UNSPECIFIED_ERROR, "UNSPECIFIED ERROR"},
656 {0, NULL}
657 };
658
659 #define RESLEN 4
660
661 static int
prestlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)662 prestlv_print(register const u_char * pptr, register u_int len,
663 u_int16_t op_msk _U_, int indent)
664 {
665 const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
666 register const u_char *tdp = (u_char *) TLV_DATA(tlv);
667 struct res_val *r = (struct res_val *)tdp;
668 u_int dlen;
669
670 /*
671 * pdatacnt_print() has ensured that len (the TLV length)
672 * >= TLV_HDRL.
673 */
674 dlen = len - TLV_HDRL;
675 if (dlen != RESLEN) {
676 printf("illegal RESULT-TLV: %d bytes!\n", dlen);
677 return -1;
678 }
679
680 TCHECK(*r);
681 if (r->result >= 0x18 && r->result <= 0xFE) {
682 printf("illegal reserved result code: 0x%x!\n", r->result);
683 return -1;
684 }
685
686 if (vflag >= 3) {
687 char *ib = indent_pr(indent, 0);
688 printf("%s Result: %s (code 0x%x)\n", ib,
689 tok2str(ForCES_errs, NULL, r->result), r->result);
690 }
691 return 0;
692
693 trunc:
694 fputs("[|forces]", stdout);
695 return -1;
696 }
697
698 static int
fdatatlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)699 fdatatlv_print(register const u_char * pptr, register u_int len,
700 u_int16_t op_msk _U_, int indent)
701 {
702 const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
703 u_int rlen;
704 register const u_char *tdp = (u_char *) TLV_DATA(tlv);
705 u_int16_t type;
706
707 /*
708 * pdatacnt_print() or pkeyitlv_print() has ensured that len
709 * (the TLV length) >= TLV_HDRL.
710 */
711 rlen = len - TLV_HDRL;
712 TCHECK(*tlv);
713 type = EXTRACT_16BITS(&tlv->type);
714 if (type != F_TLV_FULD) {
715 printf("Error: expecting FULLDATA!\n");
716 return -1;
717 }
718
719 if (vflag >= 3) {
720 char *ib = indent_pr(indent + 2, 1);
721 printf("%s[", &ib[1]);
722 hex_print_with_offset(ib, tdp, rlen, 0);
723 printf("\n%s]\n", &ib[1]);
724 }
725 return 0;
726
727 trunc:
728 fputs("[|forces]", stdout);
729 return -1;
730 }
731
732 static int
sdatailv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)733 sdatailv_print(register const u_char * pptr, register u_int len,
734 u_int16_t op_msk _U_, int indent)
735 {
736 u_int rlen;
737 const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
738 int invilv;
739
740 if (len < ILV_HDRL) {
741 printf("Error: BAD SPARSEDATA-TLV!\n");
742 return -1;
743 }
744 rlen = len;
745 indent += 1;
746 while (rlen != 0) {
747 #if 0
748 printf("Jamal - outstanding length <%d>\n", rlen);
749 #endif
750 char *ib = indent_pr(indent, 1);
751 register const u_char *tdp = (u_char *) ILV_DATA(ilv);
752 TCHECK(*ilv);
753 invilv = ilv_valid(ilv, rlen);
754 if (invilv) {
755 printf("%s[", &ib[1]);
756 hex_print_with_offset(ib, tdp, rlen, 0);
757 printf("\n%s]\n", &ib[1]);
758 return -1;
759 }
760 if (vflag >= 3) {
761 int ilvl = EXTRACT_32BITS(&ilv->length);
762 printf("\n%s ILV: type %x length %d\n", &ib[1],
763 EXTRACT_32BITS(&ilv->type), ilvl);
764 hex_print_with_offset("\t\t[", tdp, ilvl-ILV_HDRL, 0);
765 }
766
767 ilv = GO_NXT_ILV(ilv, rlen);
768 }
769
770 return 0;
771
772 trunc:
773 fputs("[|forces]", stdout);
774 return -1;
775 }
776
777 static int
sdatatlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk,int indent)778 sdatatlv_print(register const u_char * pptr, register u_int len,
779 u_int16_t op_msk, int indent)
780 {
781 const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
782 u_int rlen;
783 register const u_char *tdp = (u_char *) TLV_DATA(tlv);
784 u_int16_t type;
785
786 /*
787 * pdatacnt_print() has ensured that len (the TLV length)
788 * >= TLV_HDRL.
789 */
790 rlen = len - TLV_HDRL;
791 TCHECK(*tlv);
792 type = EXTRACT_16BITS(&tlv->type);
793 if (type != F_TLV_SPAD) {
794 printf("Error: expecting SPARSEDATA!\n");
795 return -1;
796 }
797
798 return sdatailv_print(tdp, rlen, op_msk, indent);
799
800 trunc:
801 fputs("[|forces]", stdout);
802 return -1;
803 }
804
805 static int
pkeyitlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk,int indent)806 pkeyitlv_print(register const u_char * pptr, register u_int len,
807 u_int16_t op_msk, int indent)
808 {
809 const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
810 register const u_char *tdp = (u_char *) TLV_DATA(tlv);
811 register const u_char *dp = tdp + 4;
812 const struct forces_tlv *kdtlv = (struct forces_tlv *)dp;
813 u_int32_t id;
814 char *ib = indent_pr(indent, 0);
815 u_int16_t type, tll;
816 int invtlv;
817
818 TCHECK(*tdp);
819 id = EXTRACT_32BITS(tdp);
820 printf("%sKeyinfo: Key 0x%x\n", ib, id);
821 TCHECK(*kdtlv);
822 type = EXTRACT_16BITS(&kdtlv->type);
823 invtlv = tlv_valid(kdtlv, len);
824
825 if (invtlv) {
826 printf("%s TLV type 0x%x len %d\n",
827 tok2str(ForCES_TLV_err, NULL, invtlv), type,
828 EXTRACT_16BITS(&kdtlv->length));
829 return -1;
830 }
831 /*
832 * At this point, tlv_valid() has ensured that the TLV
833 * length is large enough but not too large (it doesn't
834 * go past the end of the containing TLV).
835 */
836 tll = EXTRACT_16BITS(&kdtlv->length);
837 dp = (u_char *) TLV_DATA(kdtlv);
838 return fdatatlv_print(dp, tll, op_msk, indent);
839
840 trunc:
841 fputs("[|forces]", stdout);
842 return -1;
843 }
844
845 #define PTH_DESC_SIZE 12
846
847 static int
pdatacnt_print(register const u_char * pptr,register u_int len,u_int16_t IDcnt,u_int16_t op_msk,int indent)848 pdatacnt_print(register const u_char * pptr, register u_int len,
849 u_int16_t IDcnt, u_int16_t op_msk, int indent)
850 {
851 u_int i;
852 u_int32_t id;
853 char *ib = indent_pr(indent, 0);
854
855 if ((op_msk & B_APPND) && vflag >= 3) {
856 printf("%sTABLE APPEND\n", ib);
857 }
858 for (i = 0; i < IDcnt; i++) {
859 TCHECK2(*pptr, 4);
860 if (len < 4)
861 goto trunc;
862 id = EXTRACT_32BITS(pptr);
863 if (vflag >= 3)
864 printf("%sID#%02u: %d\n", ib, i + 1, id);
865 len -= 4;
866 pptr += 4;
867 }
868
869 if ((op_msk & B_TRNG) || (op_msk & B_KEYIN)) {
870 if (op_msk & B_TRNG) {
871 u_int32_t starti, endi;
872
873 if (len < PTH_DESC_SIZE) {
874 printf("pathlength %d with key/range too short %d\n",
875 len, PTH_DESC_SIZE);
876 return -1;
877 }
878
879 pptr += sizeof(struct forces_tlv);
880 len -= sizeof(struct forces_tlv);
881
882 starti = EXTRACT_32BITS(pptr);
883 pptr += 4;
884 len -= 4;
885
886 endi = EXTRACT_32BITS(pptr);
887 pptr += 4;
888 len -= 4;
889
890 if (vflag >= 3)
891 printf("%sTable range: [%d,%d]\n", ib, starti, endi);
892 }
893
894 if (op_msk & B_KEYIN) {
895 struct forces_tlv *keytlv;
896 u_int16_t tll;
897
898 if (len < PTH_DESC_SIZE) {
899 printf("pathlength %d with key/range too short %d\n",
900 len, PTH_DESC_SIZE);
901 return -1;
902 }
903
904 /* skip keyid */
905 pptr += 4;
906 len -= 4;
907 keytlv = (struct forces_tlv *)pptr;
908 /* skip header */
909 pptr += sizeof(struct forces_tlv);
910 len -= sizeof(struct forces_tlv);
911 /* skip key content */
912 tll = EXTRACT_16BITS(&keytlv->length);
913 if (tll < TLV_HDRL) {
914 printf("key content length %u < %u\n",
915 tll, TLV_HDRL);
916 return -1;
917 }
918 tll -= TLV_HDRL;
919 if (len < tll) {
920 printf("key content too short\n");
921 return -1;
922 }
923 pptr += tll;
924 len -= tll;
925 }
926
927 }
928
929 if (len) {
930 const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
931 u_int16_t type;
932 u_int16_t tll;
933 int pad = 0;
934 u_int aln;
935 int invtlv;
936
937 TCHECK(*pdtlv);
938 type = EXTRACT_16BITS(&pdtlv->type);
939 invtlv = tlv_valid(pdtlv, len);
940 if (invtlv) {
941 printf
942 ("%s Outstanding bytes %d for TLV type 0x%x TLV len %d\n",
943 tok2str(ForCES_TLV_err, NULL, invtlv), len, type,
944 EXTRACT_16BITS(&pdtlv->length));
945 goto pd_err;
946 }
947 /*
948 * At this point, tlv_valid() has ensured that the TLV
949 * length is large enough but not too large (it doesn't
950 * go past the end of the containing TLV).
951 */
952 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
953 aln = F_ALN_LEN(EXTRACT_16BITS(&pdtlv->length));
954 if (aln > EXTRACT_16BITS(&pdtlv->length)) {
955 if (aln > len) {
956 printf
957 ("Invalid padded pathdata TLV type 0x%x len %d missing %d pad bytes\n",
958 type, EXTRACT_16BITS(&pdtlv->length), aln - len);
959 } else {
960 pad = aln - EXTRACT_16BITS(&pdtlv->length);
961 }
962 }
963 if (pd_valid(type)) {
964 const struct pdata_ops *ops = get_forces_pd(type);
965
966 if (vflag >= 3 && ops->v != F_TLV_PDAT) {
967 if (pad)
968 printf
969 ("%s %s (Length %d DataLen %d pad %d Bytes)\n",
970 ib, ops->s, EXTRACT_16BITS(&pdtlv->length),
971 tll, pad);
972 else
973 printf
974 ("%s %s (Length %d DataLen %d Bytes)\n",
975 ib, ops->s, EXTRACT_16BITS(&pdtlv->length),
976 tll);
977 }
978
979 chk_op_type(type, op_msk, ops->op_msk);
980
981 if (ops->print((const u_char *)pdtlv,
982 tll + pad + TLV_HDRL, op_msk,
983 indent + 2) == -1)
984 return -1;
985 len -= (TLV_HDRL + pad + tll);
986 } else {
987 printf("Invalid path data content type 0x%x len %d\n",
988 type, EXTRACT_16BITS(&pdtlv->length));
989 pd_err:
990 if (EXTRACT_16BITS(&pdtlv->length)) {
991 hex_print_with_offset("Bad Data val\n\t [",
992 pptr, len, 0);
993 printf("]\n");
994
995 return -1;
996 }
997 }
998 }
999 return len;
1000
1001 trunc:
1002 fputs("[|forces]", stdout);
1003 return -1;
1004 }
1005
1006 static int
pdata_print(register const u_char * pptr,register u_int len,u_int16_t op_msk,int indent)1007 pdata_print(register const u_char * pptr, register u_int len,
1008 u_int16_t op_msk, int indent)
1009 {
1010 const struct pathdata_h *pdh = (struct pathdata_h *)pptr;
1011 char *ib = indent_pr(indent, 0);
1012 u_int minsize = 0;
1013 int more_pd = 0;
1014 u_int16_t idcnt = 0;
1015
1016 TCHECK(*pdh);
1017 if (len < sizeof(struct pathdata_h))
1018 goto trunc;
1019 if (vflag >= 3) {
1020 printf("\n%sPathdata: Flags 0x%x ID count %d\n",
1021 ib, EXTRACT_16BITS(&pdh->pflags), EXTRACT_16BITS(&pdh->pIDcnt));
1022 }
1023
1024 if (EXTRACT_16BITS(&pdh->pflags) & F_SELKEY) {
1025 op_msk |= B_KEYIN;
1026 }
1027
1028 /* Table GET Range operation */
1029 if (EXTRACT_16BITS(&pdh->pflags) & F_SELTABRANGE) {
1030 op_msk |= B_TRNG;
1031 }
1032 /* Table SET append operation */
1033 if (EXTRACT_16BITS(&pdh->pflags) & F_TABAPPEND) {
1034 op_msk |= B_APPND;
1035 }
1036
1037 pptr += sizeof(struct pathdata_h);
1038 len -= sizeof(struct pathdata_h);
1039 idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
1040 minsize = idcnt * 4;
1041 if (len < minsize) {
1042 printf("\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
1043 len);
1044 hex_print_with_offset("\t\t\tID Data[", pptr, len, 0);
1045 printf("]\n");
1046 return -1;
1047 }
1048
1049 if ((op_msk & B_TRNG) && (op_msk & B_KEYIN)) {
1050 printf("\t\t\tIllegal to have both Table ranges and keys\n");
1051 return -1;
1052 }
1053
1054 more_pd = pdatacnt_print(pptr, len, idcnt, op_msk, indent);
1055 if (more_pd > 0) {
1056 int consumed = len - more_pd;
1057 pptr += consumed;
1058 len = more_pd;
1059 /* XXX: Argh, recurse some more */
1060 return recpdoptlv_print(pptr, len, op_msk, indent+1);
1061 } else
1062 return 0;
1063
1064 trunc:
1065 fputs("[|forces]", stdout);
1066 return -1;
1067 }
1068
1069 static int
genoptlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk,int indent)1070 genoptlv_print(register const u_char * pptr, register u_int len,
1071 u_int16_t op_msk, int indent)
1072 {
1073 const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
1074 u_int16_t type;
1075 int tll;
1076 int invtlv;
1077 char *ib = indent_pr(indent, 0);
1078
1079 TCHECK(*pdtlv);
1080 type = EXTRACT_16BITS(&pdtlv->type);
1081 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
1082 invtlv = tlv_valid(pdtlv, len);
1083 printf("genoptlvprint - %s TLV type 0x%x len %d\n",
1084 tok2str(ForCES_TLV, NULL, type), type, EXTRACT_16BITS(&pdtlv->length));
1085 if (!invtlv) {
1086 /*
1087 * At this point, tlv_valid() has ensured that the TLV
1088 * length is large enough but not too large (it doesn't
1089 * go past the end of the containing TLV).
1090 */
1091 register const u_char *dp = (u_char *) TLV_DATA(pdtlv);
1092 if (!ttlv_valid(type)) {
1093 printf("%s TLV type 0x%x len %d\n",
1094 tok2str(ForCES_TLV_err, NULL, invtlv), type,
1095 EXTRACT_16BITS(&pdtlv->length));
1096 return -1;
1097 }
1098 if (vflag >= 3)
1099 printf("%s%s, length %d (data length %d Bytes)",
1100 ib, tok2str(ForCES_TLV, NULL, type),
1101 EXTRACT_16BITS(&pdtlv->length), tll);
1102
1103 return pdata_print(dp, tll, op_msk, indent + 1);
1104 } else {
1105 printf("\t\t\tInvalid ForCES TLV type=%x", type);
1106 return -1;
1107 }
1108
1109 trunc:
1110 fputs("[|forces]", stdout);
1111 return -1;
1112 }
1113
1114 static int
recpdoptlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk,int indent)1115 recpdoptlv_print(register const u_char * pptr, register u_int len,
1116 u_int16_t op_msk, int indent)
1117 {
1118 const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
1119 int tll;
1120 int invtlv;
1121 u_int16_t type;
1122 register const u_char *dp;
1123 char *ib;
1124
1125 while (len != 0) {
1126 TCHECK(*pdtlv);
1127 invtlv = tlv_valid(pdtlv, len);
1128 if (invtlv) {
1129 break;
1130 }
1131
1132 /*
1133 * At this point, tlv_valid() has ensured that the TLV
1134 * length is large enough but not too large (it doesn't
1135 * go past the end of the containing TLV).
1136 */
1137 ib = indent_pr(indent, 0);
1138 type = EXTRACT_16BITS(&pdtlv->type);
1139 dp = (u_char *) TLV_DATA(pdtlv);
1140 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
1141
1142 if (vflag >= 3)
1143 printf
1144 ("%s%s, length %d (data encapsulated %d Bytes)",
1145 ib, tok2str(ForCES_TLV, NULL, type),
1146 EXTRACT_16BITS(&pdtlv->length),
1147 EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL);
1148
1149 if (pdata_print(dp, tll, op_msk, indent + 1) == -1)
1150 return -1;
1151 pdtlv = GO_NXT_TLV(pdtlv, len);
1152 }
1153
1154 if (len) {
1155 printf
1156 ("\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1157 EXTRACT_16BITS(&pdtlv->type), len - EXTRACT_16BITS(&pdtlv->length));
1158 return -1;
1159 }
1160
1161 return 0;
1162
1163 trunc:
1164 fputs("[|forces]", stdout);
1165 return -1;
1166 }
1167
1168 static int
invoptlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)1169 invoptlv_print(register const u_char * pptr, register u_int len,
1170 u_int16_t op_msk _U_, int indent)
1171 {
1172 char *ib = indent_pr(indent, 1);
1173
1174 if (vflag >= 3) {
1175 printf("%sData[", &ib[1]);
1176 hex_print_with_offset(ib, pptr, len, 0);
1177 printf("%s]\n", ib);
1178 }
1179 return -1;
1180 }
1181
1182 static int
otlv_print(const struct forces_tlv * otlv,u_int16_t op_msk _U_,int indent)1183 otlv_print(const struct forces_tlv *otlv, u_int16_t op_msk _U_, int indent)
1184 {
1185 int rc = 0;
1186 register const u_char *dp = (u_char *) TLV_DATA(otlv);
1187 u_int16_t type;
1188 int tll;
1189 char *ib = indent_pr(indent, 0);
1190 const struct optlv_h *ops;
1191
1192 /*
1193 * lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
1194 * >= TLV_HDRL.
1195 */
1196 TCHECK(*otlv);
1197 type = EXTRACT_16BITS(&otlv->type);
1198 tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
1199 ops = get_forces_optlv_h(type);
1200 if (vflag >= 3) {
1201 printf("%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
1202 EXTRACT_16BITS(&otlv->length));
1203 }
1204 /* empty TLVs like COMMIT and TRCOMMIT are empty, we stop here .. */
1205 if (!ops->flags & ZERO_TTLV) {
1206 if (tll != 0) /* instead of "if (tll)" - for readability .. */
1207 printf("%s: Illegal - MUST be empty\n", ops->s);
1208 return rc;
1209 }
1210 /* rest of ops must at least have 12B {pathinfo} */
1211 if (tll < OP_MIN_SIZ) {
1212 printf("\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
1213 EXTRACT_16BITS(&otlv->length));
1214 printf("\t\tTruncated data size %d minimum required %d\n", tll,
1215 OP_MIN_SIZ);
1216 return invoptlv_print(dp, tll, ops->op_msk, indent);
1217
1218 }
1219
1220 rc = ops->print(dp, tll, ops->op_msk, indent + 1);
1221 return rc;
1222
1223 trunc:
1224 fputs("[|forces]", stdout);
1225 return -1;
1226 }
1227
1228 #define ASTDLN 4
1229 #define ASTMCD 255
1230 static int
asttlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)1231 asttlv_print(register const u_char * pptr, register u_int len,
1232 u_int16_t op_msk _U_, int indent)
1233 {
1234 u_int32_t rescode;
1235 u_int dlen;
1236 char *ib = indent_pr(indent, 0);
1237
1238 /*
1239 * forces_type_print() has ensured that len (the TLV length)
1240 * >= TLV_HDRL.
1241 */
1242 dlen = len - TLV_HDRL;
1243 if (dlen != ASTDLN) {
1244 printf("illegal ASTresult-TLV: %d bytes!\n", dlen);
1245 return -1;
1246 }
1247 TCHECK2(*pptr, 4);
1248 rescode = EXTRACT_32BITS(pptr);
1249 if (rescode > ASTMCD) {
1250 printf("illegal ASTresult result code: %d!\n", rescode);
1251 return -1;
1252 }
1253
1254 if (vflag >= 3) {
1255 printf("Teardown reason:\n%s", ib);
1256 switch (rescode) {
1257 case 0:
1258 printf("Normal Teardown");
1259 break;
1260 case 1:
1261 printf("Loss of Heartbeats");
1262 break;
1263 case 2:
1264 printf("Out of bandwidth");
1265 break;
1266 case 3:
1267 printf("Out of Memory");
1268 break;
1269 case 4:
1270 printf("Application Crash");
1271 break;
1272 default:
1273 printf("Unknown Teardown reason");
1274 break;
1275 }
1276 printf("(%x)\n%s", rescode, ib);
1277 }
1278 return 0;
1279
1280 trunc:
1281 fputs("[|forces]", stdout);
1282 return -1;
1283 }
1284
1285 #define ASRDLN 4
1286 #define ASRMCD 3
1287 static int
asrtlv_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)1288 asrtlv_print(register const u_char * pptr, register u_int len,
1289 u_int16_t op_msk _U_, int indent)
1290 {
1291 u_int32_t rescode;
1292 u_int dlen;
1293 char *ib = indent_pr(indent, 0);
1294
1295 /*
1296 * forces_type_print() has ensured that len (the TLV length)
1297 * >= TLV_HDRL.
1298 */
1299 dlen = len - TLV_HDRL;
1300 if (dlen != ASRDLN) { /* id, instance, oper tlv */
1301 printf("illegal ASRresult-TLV: %d bytes!\n", dlen);
1302 return -1;
1303 }
1304 TCHECK2(*pptr, 4);
1305 rescode = EXTRACT_32BITS(pptr);
1306
1307 if (rescode > ASRMCD) {
1308 printf("illegal ASRresult result code: %d!\n", rescode);
1309 return -1;
1310 }
1311
1312 if (vflag >= 3) {
1313 printf("\n%s", ib);
1314 switch (rescode) {
1315 case 0:
1316 printf("Success ");
1317 break;
1318 case 1:
1319 printf("FE ID invalid ");
1320 break;
1321 case 2:
1322 printf("permission denied ");
1323 break;
1324 default:
1325 printf("Unknown ");
1326 break;
1327 }
1328 printf("(%x)\n%s", rescode, ib);
1329 }
1330 return 0;
1331
1332 trunc:
1333 fputs("[|forces]", stdout);
1334 return -1;
1335 }
1336
1337 #if 0
1338 /*
1339 * XXX - not used.
1340 */
1341 static int
1342 gentltlv_print(register const u_char * pptr _U_, register u_int len,
1343 u_int16_t op_msk _U_, int indent _U_)
1344 {
1345 u_int dlen = len - TLV_HDRL;
1346
1347 if (dlen < 4) { /* at least 32 bits must exist */
1348 printf("truncated TLV: %d bytes missing! ", 4 - dlen);
1349 return -1;
1350 }
1351 return 0;
1352 }
1353 #endif
1354
1355 #define RD_MIN 8
1356
1357 static int
print_metailv(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)1358 print_metailv(register const u_char * pptr, register u_int len,
1359 u_int16_t op_msk _U_, int indent)
1360 {
1361 u_int rlen;
1362 u_int plen;
1363 char *ib = indent_pr(indent, 0);
1364 /* XXX: check header length */
1365 const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
1366
1367 /*
1368 * print_metatlv() has ensured that len (what remains in the
1369 * ILV) >= ILV_HDRL.
1370 */
1371 rlen = EXTRACT_32BITS(&ilv->length) - ILV_HDRL;
1372 TCHECK(*ilv);
1373 printf("%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
1374 EXTRACT_32BITS(&ilv->length));
1375 if (vflag >= 3) {
1376 hex_print_with_offset("\t\t[", ILV_DATA(ilv), rlen, 0);
1377 printf(" ]\n");
1378 }
1379 return 0;
1380
1381 trunc:
1382 fputs("[|forces]", stdout);
1383 return -1;
1384 }
1385
1386 static int
print_metatlv(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)1387 print_metatlv(register const u_char * pptr, register u_int len,
1388 u_int16_t op_msk _U_, int indent)
1389 {
1390 u_int dlen;
1391 char *ib = indent_pr(indent, 0);
1392 u_int rlen;
1393 const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
1394 int invilv;
1395
1396 /*
1397 * redirect_print() has ensured that len (what remains in the
1398 * TLV) >= TLV_HDRL.
1399 */
1400 dlen = len - TLV_HDRL;
1401 rlen = dlen;
1402 printf("\n%s METADATA length %d \n", ib, rlen);
1403 while (rlen != 0) {
1404 TCHECK(*ilv);
1405 invilv = ilv_valid(ilv, rlen);
1406 if (invilv) {
1407 break;
1408 }
1409
1410 /*
1411 * At this point, ilv_valid() has ensured that the ILV
1412 * length is large enough but not too large (it doesn't
1413 * go past the end of the containing TLV).
1414 */
1415 print_metailv((u_char *) ilv, rlen, 0, indent + 1);
1416 ilv = GO_NXT_ILV(ilv, rlen);
1417 }
1418
1419 return 0;
1420
1421 trunc:
1422 fputs("[|forces]", stdout);
1423 return -1;
1424 }
1425
1426
1427 static int
print_reddata(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent _U_)1428 print_reddata(register const u_char * pptr, register u_int len,
1429 u_int16_t op_msk _U_, int indent _U_)
1430 {
1431 u_int dlen;
1432 char *ib = indent_pr(indent, 0);
1433 u_int rlen;
1434
1435 dlen = len - TLV_HDRL;
1436 rlen = dlen;
1437 printf("\n%s Redirect Data length %d \n", ib, rlen);
1438
1439 if (vflag >= 3) {
1440 printf("\t\t[");
1441 hex_print_with_offset("\n\t\t", pptr, rlen, 0);
1442 printf("\n\t\t]");
1443 }
1444
1445 return 0;
1446 }
1447
1448 static int
redirect_print(register const u_char * pptr,register u_int len,u_int16_t op_msk _U_,int indent)1449 redirect_print(register const u_char * pptr, register u_int len,
1450 u_int16_t op_msk _U_, int indent)
1451 {
1452 const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
1453 u_int dlen;
1454 u_int rlen;
1455 int invtlv;
1456
1457 /*
1458 * forces_type_print() has ensured that len (the TLV length)
1459 * >= TLV_HDRL.
1460 */
1461 dlen = len - TLV_HDRL;
1462 if (dlen <= RD_MIN) {
1463 printf("\n\t\ttruncated Redirect TLV: %d bytes missing! ",
1464 RD_MIN - dlen);
1465 return -1;
1466 }
1467
1468 rlen = dlen;
1469 indent += 1;
1470 while (rlen != 0) {
1471 TCHECK(*tlv);
1472 invtlv = tlv_valid(tlv, rlen);
1473 if (invtlv) {
1474 printf("Bad Redirect data\n");
1475 break;
1476 }
1477
1478 /*
1479 * At this point, tlv_valid() has ensured that the TLV
1480 * length is large enough but not too large (it doesn't
1481 * go past the end of the containing TLV).
1482 */
1483 if (EXTRACT_16BITS(&tlv->type) == F_TLV_METD) {
1484 print_metatlv((u_char *) TLV_DATA(tlv),
1485 EXTRACT_16BITS(&tlv->length), 0, indent);
1486 } else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
1487 print_reddata((u_char *) TLV_DATA(tlv),
1488 EXTRACT_16BITS(&tlv->length), 0, indent);
1489 } else {
1490 printf("Unknown REDIRECT TLV 0x%x len %d\n",
1491 EXTRACT_16BITS(&tlv->type),
1492 EXTRACT_16BITS(&tlv->length));
1493 }
1494
1495 tlv = GO_NXT_TLV(tlv, rlen);
1496 }
1497
1498 if (rlen) {
1499 printf
1500 ("\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1501 EXTRACT_16BITS(&tlv->type),
1502 rlen - EXTRACT_16BITS(&tlv->length));
1503 return -1;
1504 }
1505
1506 return 0;
1507
1508 trunc:
1509 fputs("[|forces]", stdout);
1510 return -1;
1511 }
1512
1513 #define OP_OFF 8
1514 #define OP_MIN 12
1515
1516 static int
lfbselect_print(register const u_char * pptr,register u_int len,u_int16_t op_msk,int indent)1517 lfbselect_print(register const u_char * pptr, register u_int len,
1518 u_int16_t op_msk, int indent)
1519 {
1520 const struct forces_lfbsh *lfbs;
1521 const struct forces_tlv *otlv;
1522 char *ib = indent_pr(indent, 0);
1523 u_int dlen;
1524 u_int rlen;
1525 int invtlv;
1526
1527 /*
1528 * forces_type_print() has ensured that len (the TLV length)
1529 * >= TLV_HDRL.
1530 */
1531 dlen = len - TLV_HDRL;
1532 if (dlen <= OP_MIN) { /* id, instance, oper tlv header .. */
1533 printf("\n\t\ttruncated lfb selector: %d bytes missing! ",
1534 OP_MIN - dlen);
1535 return -1;
1536 }
1537
1538 /*
1539 * At this point, we know that dlen > OP_MIN; OP_OFF < OP_MIN, so
1540 * we also know that it's > OP_OFF.
1541 */
1542 rlen = dlen - OP_OFF;
1543
1544 lfbs = (const struct forces_lfbsh *)pptr;
1545 TCHECK(*lfbs);
1546 if (vflag >= 3) {
1547 printf("\n%s%s(Classid %x) instance %x\n",
1548 ib, tok2str(ForCES_LFBs, NULL, EXTRACT_32BITS(&lfbs->class)),
1549 EXTRACT_32BITS(&lfbs->class),
1550 EXTRACT_32BITS(&lfbs->instance));
1551 }
1552
1553 otlv = (struct forces_tlv *)(lfbs + 1);
1554
1555 indent += 1;
1556 while (rlen != 0) {
1557 TCHECK(*otlv);
1558 invtlv = tlv_valid(otlv, rlen);
1559 if (invtlv)
1560 break;
1561
1562 /*
1563 * At this point, tlv_valid() has ensured that the TLV
1564 * length is large enough but not too large (it doesn't
1565 * go past the end of the containing TLV).
1566 */
1567 if (op_valid(EXTRACT_16BITS(&otlv->type), op_msk)) {
1568 otlv_print(otlv, 0, indent);
1569 } else {
1570 if (vflag < 3)
1571 printf("\n");
1572 printf
1573 ("\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
1574 EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length));
1575 invoptlv_print((u_char *)otlv, rlen, 0, indent);
1576 }
1577 otlv = GO_NXT_TLV(otlv, rlen);
1578 }
1579
1580 if (rlen) {
1581 printf
1582 ("\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
1583 EXTRACT_16BITS(&otlv->type), rlen - EXTRACT_16BITS(&otlv->length));
1584 return -1;
1585 }
1586
1587 return 0;
1588
1589 trunc:
1590 fputs("[|forces]", stdout);
1591 return -1;
1592 }
1593
1594 static int
forces_type_print(register const u_char * pptr,const struct forcesh * fhdr _U_,register u_int mlen,const struct tom_h * tops)1595 forces_type_print(register const u_char * pptr, const struct forcesh *fhdr _U_,
1596 register u_int mlen, const struct tom_h *tops)
1597 {
1598 const struct forces_tlv *tltlv;
1599 u_int rlen;
1600 int invtlv;
1601 int rc = 0;
1602 int ttlv = 0;
1603
1604 /*
1605 * forces_print() has already checked that mlen >= ForCES_HDRL
1606 * by calling ForCES_HLN_VALID().
1607 */
1608 rlen = mlen - ForCES_HDRL;
1609
1610 if (rlen > TLV_HLN) {
1611 if (tops->flags & ZERO_TTLV) {
1612 printf("<0x%x>Illegal Top level TLV!\n", tops->flags);
1613 return -1;
1614 }
1615 } else {
1616 if (tops->flags & ZERO_MORE_TTLV)
1617 return 0;
1618 if (tops->flags & ONE_MORE_TTLV) {
1619 printf("\tTop level TLV Data missing!\n");
1620 return -1;
1621 }
1622 }
1623
1624 if (tops->flags & ZERO_TTLV) {
1625 return 0;
1626 }
1627
1628 ttlv = tops->flags >> 4;
1629 tltlv = GET_TOP_TLV(pptr);
1630
1631 /*XXX: 15 top level tlvs will probably be fine
1632 You are nuts if you send more ;-> */
1633 while (rlen != 0) {
1634 TCHECK(*tltlv);
1635 invtlv = tlv_valid(tltlv, rlen);
1636 if (invtlv)
1637 break;
1638
1639 /*
1640 * At this point, tlv_valid() has ensured that the TLV
1641 * length is large enough but not too large (it doesn't
1642 * go past the end of the packet).
1643 */
1644 if (!ttlv_valid(EXTRACT_16BITS(&tltlv->type))) {
1645 printf("\n\tInvalid ForCES Top TLV type=0x%x",
1646 EXTRACT_16BITS(&tltlv->type));
1647 return -1;
1648 }
1649
1650 if (vflag >= 3)
1651 printf("\t%s, length %d (data length %d Bytes)",
1652 tok2str(ForCES_TLV, NULL, EXTRACT_16BITS(&tltlv->type)),
1653 EXTRACT_16BITS(&tltlv->length),
1654 EXTRACT_16BITS(&tltlv->length) - TLV_HDRL);
1655
1656 rc = tops->print((u_char *) TLV_DATA(tltlv),
1657 EXTRACT_16BITS(&tltlv->length), tops->op_msk, 9);
1658 if (rc < 0) {
1659 return -1;
1660 }
1661 tltlv = GO_NXT_TLV(tltlv, rlen);
1662 ttlv--;
1663 if (ttlv <= 0)
1664 break;
1665 }
1666 /*
1667 * XXX - if ttlv != 0, does that mean that the packet was too
1668 * short, and didn't have *enough* TLVs in it?
1669 */
1670 if (rlen) {
1671 printf("\tMess TopTLV header: min %u, total %d advertised %d ",
1672 TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length));
1673 return -1;
1674 }
1675
1676 return 0;
1677
1678 trunc:
1679 fputs("[|forces]", stdout);
1680 return -1;
1681 }
1682
1683 void
forces_print(register const u_char * pptr,register u_int len)1684 forces_print(register const u_char * pptr, register u_int len)
1685 {
1686 const struct forcesh *fhdr;
1687 u_int mlen;
1688 u_int32_t flg_raw;
1689 const struct tom_h *tops;
1690 int rc = 0;
1691
1692 fhdr = (const struct forcesh *)pptr;
1693 TCHECK(*fhdr);
1694 if (!tom_valid(fhdr->fm_tom)) {
1695 printf("Invalid ForCES message type %d\n", fhdr->fm_tom);
1696 goto error;
1697 }
1698
1699 mlen = ForCES_BLN(fhdr);
1700
1701 tops = get_forces_tom(fhdr->fm_tom);
1702 if (tops->v == TOM_RSVD) {
1703 printf("\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom);
1704 goto error;
1705 }
1706
1707 printf("\n\tForCES %s ", tops->s);
1708 if (!ForCES_HLN_VALID(mlen, len)) {
1709 printf
1710 ("Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
1711 ForCES_HDRL, len, ForCES_BLN(fhdr));
1712 goto error;
1713 }
1714
1715 TCHECK2(*(pptr + 20), 4);
1716 flg_raw = EXTRACT_32BITS(pptr + 20);
1717 if (vflag >= 1) {
1718 printf("\n\tForCES Version %d len %uB flags 0x%08x ",
1719 ForCES_V(fhdr), mlen, flg_raw);
1720 printf("\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
1721 ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
1722 ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
1723 EXTRACT_64BITS(fhdr->fm_cor));
1724
1725 }
1726 if (vflag >= 2) {
1727 printf
1728 ("\n\tForCES flags:\n\t %s(0x%x), prio=%d, %s(0x%x),\n\t %s(0x%x), %s(0x%x)\n",
1729 ForCES_ACKp(ForCES_ACK(fhdr)), ForCES_ACK(fhdr),
1730 ForCES_PRI(fhdr),
1731 ForCES_EMp(ForCES_EM(fhdr)), ForCES_EM(fhdr),
1732 ForCES_ATp(ForCES_AT(fhdr)), ForCES_AT(fhdr),
1733 ForCES_TPp(ForCES_TP(fhdr)), ForCES_TP(fhdr));
1734 printf
1735 ("\t Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
1736 ForCES_RS1(fhdr), ForCES_RS2(fhdr));
1737 }
1738 rc = forces_type_print(pptr, fhdr, mlen, tops);
1739 if (rc < 0) {
1740 error:
1741 hex_print_with_offset("\n\t[", pptr, len, 0);
1742 printf("\n\t]");
1743 return;
1744 }
1745
1746 if (vflag >= 4) {
1747 printf("\n\t Raw ForCES message\n\t [");
1748 hex_print_with_offset("\n\t ", pptr, len, 0);
1749 printf("\n\t ]");
1750 }
1751 printf("\n");
1752 return;
1753
1754 trunc:
1755 fputs("[|forces]", stdout);
1756 }
1757