xref: /freebsd/crypto/krb5/src/tests/asn.1/trval.c (revision f1c4c3daccbaf3820f0e2224de53df12fc952fcc)
1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /*
3  * Copyright (C) 1992,1993 Trusted Information Systems, Inc.
4  *
5  * Permission to include this software in the Kerberos V5 distribution
6  * was graciously provided by Trusted Information Systems.
7  *
8  * Trusted Information Systems makes no representation about the
9  * suitability of this software for any purpose.  It is provided
10  * "as is" without express or implied warranty.
11  */
12 /*
13  * Copyright (C) 1994 Massachusetts Institute of Technology
14  *
15  * Export of this software from the United States of America may
16  *   require a specific license from the United States Government.
17  *   It is the responsibility of any person or organization contemplating
18  *   export to obtain such a license before exporting.
19  *
20  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
21  * distribute this software and its documentation for any purpose and
22  * without fee is hereby granted, provided that the above copyright
23  * notice appear in all copies and that both that copyright notice and
24  * this permission notice appear in supporting documentation, and that
25  * the name of M.I.T. not be used in advertising or publicity pertaining
26  * to distribution of the software without specific, written prior
27  * permission.  Furthermore if you modify this software you must label
28  * your software as modified software and not distribute it in such a
29  * fashion that it might be confused with the original M.I.T. software.
30  * M.I.T. makes no representations about the suitability of
31  * this software for any purpose.  It is provided "as is" without express
32  * or implied warranty.
33  */
34 
35 /*****************************************************************************
36  * trval.c.c
37  *****************************************************************************/
38 
39 #include <unistd.h>
40 #include <stdlib.h>
41 #include <stdio.h>
42 #include <ctype.h>
43 #include <string.h>
44 
45 #define OK 0
46 #define NOTOK (-1)
47 
48 /* IDENTIFIER OCTET = TAG CLASS | FORM OF ENCODING | TAG NUMBER */
49 
50 /* TAG CLASSES */
51 #define ID_CLASS   0xc0         /* bits 8 and 7 */
52 #define CLASS_UNIV 0x00         /* 0 = universal */
53 #define CLASS_APPL 0x40         /* 1 = application */
54 #define CLASS_CONT 0x80         /* 2 = context-specific */
55 #define CLASS_PRIV 0xc0         /* 3 = private */
56 
57 /* FORM OF ENCODING */
58 #define ID_FORM   0x20          /* bit 6 */
59 #define FORM_PRIM 0x00          /* 0 = primitive */
60 #define FORM_CONS 0x20          /* 1 = constructed */
61 
62 /* TAG NUMBERS */
63 #define ID_TAG    0x1f          /* bits 5-1 */
64 #define PRIM_BOOL 0x01          /* Boolean */
65 #define PRIM_INT  0x02          /* Integer */
66 #define PRIM_BITS 0x03          /* Bit String */
67 #define PRIM_OCTS 0x04          /* Octet String */
68 #define PRIM_NULL 0x05          /* Null */
69 #define PRIM_OID  0x06          /* Object Identifier */
70 #define PRIM_ODE  0x07          /* Object Descriptor */
71 #define CONS_EXTN 0x08          /* External */
72 #define PRIM_REAL 0x09          /* Real */
73 #define PRIM_ENUM 0x0a          /* Enumerated type */
74 #define PRIM_ENCR 0x0b          /* Encrypted */
75 #define PRIM_UTF8 0x0c          /* UTF8String */
76 #define CONS_SEQ  0x10          /* SEQUENCE/SEQUENCE OF */
77 #define CONS_SET  0x11          /* SET/SET OF */
78 #define DEFN_NUMS 0x12          /* Numeric String */
79 #define DEFN_PRTS 0x13          /* Printable String */
80 #define DEFN_T61S 0x14          /* T.61 String */
81 #define DEFN_VTXS 0x15          /* Videotex String */
82 #define DEFN_IA5S 0x16          /* IA5 String */
83 #define DEFN_UTCT 0x17          /* UTCTime */
84 #define DEFN_GENT 0x18          /* Generalized Time */
85 #define DEFN_GFXS 0x19          /* Graphics string (ISO2375) */
86 #define DEFN_VISS 0x1a          /* Visible string */
87 #define DEFN_GENS 0x1b          /* General string */
88 #define DEFN_CHRS 0x1c          /* Character string */
89 
90 #define LEN_XTND        0x80    /* long or indefinite form */
91 #define LEN_SMAX        127     /* largest short form */
92 #define LEN_MASK        0x7f    /* mask to get number of bytes in length */
93 #define LEN_INDF        (-1)    /* indefinite length */
94 
95 #define KRB5    /* Do krb5 application types */
96 
97 int print_types = 0;
98 int print_id_and_len = 1;
99 int print_constructed_length = 1;
100 int print_primitive_length = 1;
101 int print_skip_context = 0;
102 int print_skip_tagnum = 1;
103 int print_context_shortcut = 0;
104 int do_hex = 0;
105 #ifdef KRB5
106 int print_krb5_types = 0;
107 #endif
108 
109 int current_appl_type = -1;
110 
111 int decode_len (FILE *, unsigned char *, int);
112 int do_prim (FILE *, int, unsigned char *, int, int);
113 int do_cons (FILE *, unsigned char *, int, int, int *);
114 int do_prim_bitstring (FILE *, int, unsigned char *, int, int);
115 int do_prim_int (FILE *, int, unsigned char *, int, int);
116 int do_prim_string (FILE *, int, unsigned char *, int, int);
117 void print_tag_type (FILE *, int, int);
118 int trval (FILE *, FILE *);
119 int trval2 (FILE *, unsigned char *, int, int, int *);
120 
121 
122 /****************************************************************************/
123 
124 static int
convert_nibble(int ch)125 convert_nibble(int ch)
126 {
127     if (isdigit(ch))
128         return (ch - '0');
129     if (ch >= 'a' && ch <= 'f')
130         return (ch - 'a' + 10);
131     if (ch >= 'A' && ch <= 'F')
132         return (ch - 'A' + 10);
133     return -1;
134 }
135 
136 int
trval(FILE * fin,FILE * fout)137 trval(FILE *fin, FILE *fout)
138 {
139     unsigned char *p;
140     unsigned int maxlen;
141     int len;
142     int cc, cc2, n1, n2;
143     int r;
144     int rlen;
145 
146     maxlen = BUFSIZ;
147     p = (unsigned char *)malloc(maxlen);
148     len = 0;
149     while ((cc = fgetc(fin)) != EOF) {
150         if ((unsigned int) len == maxlen) {
151             maxlen += BUFSIZ;
152             p = (unsigned char *)realloc(p, maxlen);
153         }
154         if (do_hex) {
155             if (cc == ' ' || cc == '\n' || cc == '\t')
156                 continue;
157             cc2 = fgetc(fin);
158             if (cc2 == EOF)
159                 break;
160             n1 = convert_nibble(cc);
161             n2 = convert_nibble(cc2);
162             cc = (n1 << 4) + n2;
163         }
164         p[len++] = cc;
165     }
166     fprintf(fout, "<%d>", len);
167     r = trval2(fout, p, len, 0, &rlen);
168     fprintf(fout, "\n");
169     (void) free(p);
170     return(r);
171 }
172 
173 int
trval2(FILE * fp,unsigned char * enc,int len,int lev,int * rlen)174 trval2(FILE *fp, unsigned char *enc, int len, int lev, int *rlen)
175 {
176     int l, eid, elen, xlen, r, rlen2 = 0;
177     int rlen_ext = 0;
178 
179     r = OK;
180     *rlen = -1;
181 
182     if (len < 2) {
183         fprintf(fp, "missing id and length octets (%d)\n", len);
184         return(NOTOK);
185     }
186 
187     fprintf(fp, "\n");
188     for (l=0; l<lev; l++) fprintf(fp, ".  ");
189 
190 context_restart:
191     eid = enc[0];
192     elen = enc[1];
193 
194     if (print_id_and_len) {
195         fprintf(fp, "%02x ", eid);
196         fprintf(fp, "%02x ", elen);
197     }
198 
199     if (elen == LEN_XTND) {
200         fprintf(fp,
201                 "indefinite length encoding not implemented (0x%02x)\n", elen);
202         return(NOTOK);
203     }
204 
205     xlen = 0;
206     if (elen & LEN_XTND) {
207         xlen = elen & LEN_MASK;
208         if (xlen > len - 2) {
209             fprintf(fp, "extended length too long (%d > %d - 2)\n", xlen, len);
210             return(NOTOK);
211         }
212         elen = decode_len(fp, enc+2, xlen);
213     }
214 
215     if (elen > len - 2 - xlen) {
216         fprintf(fp, "length too long (%d > %d - 2 - %d)\n", elen, len, xlen);
217         return(NOTOK);
218     }
219 
220     print_tag_type(fp, eid, lev);
221 
222     if (print_context_shortcut && (eid & ID_CLASS) == CLASS_CONT &&
223         (eid & ID_FORM) == FORM_CONS && lev > 0) {
224         rlen_ext += 2 + xlen;
225         enc += 2 + xlen;
226         fprintf(fp, " ");
227         goto context_restart;
228     }
229 
230     switch(eid & ID_FORM) {
231     case FORM_PRIM:
232         r = do_prim(fp, eid & ID_TAG, enc+2+xlen, elen, lev+1);
233         *rlen = 2 + xlen + elen + rlen_ext;
234         break;
235     case FORM_CONS:
236         if (print_constructed_length) {
237             fprintf(fp, " constr");
238             fprintf(fp, " <%d>", elen);
239         }
240         r = do_cons(fp, enc+2+xlen, elen, lev+1, &rlen2);
241         *rlen = 2 + xlen + rlen2 + rlen_ext;
242         break;
243     }
244 
245     return(r);
246 }
247 
248 int
decode_len(FILE * fp,unsigned char * enc,int len)249 decode_len(FILE *fp, unsigned char *enc, int len)
250 {
251     int rlen;
252     int i;
253 
254     if (print_id_and_len)
255         fprintf(fp, "%02x ", enc[0]);
256     rlen = enc[0];
257     for (i=1; i<len; i++) {
258         if (print_id_and_len)
259             fprintf(fp, "%02x ", enc[i]);
260         rlen = (rlen * 0x100) + enc[i];
261     }
262     return(rlen);
263 }
264 
265 /*
266  * This is the printing function for bit strings
267  */
268 int
do_prim_bitstring(FILE * fp,int tag,unsigned char * enc,int len,int lev)269 do_prim_bitstring(FILE *fp, int tag, unsigned char *enc, int len, int lev)
270 {
271     int i;
272     long        num = 0;
273 
274     if (tag != PRIM_BITS || len > 5)
275         return 0;
276 
277     for (i=1; i < len; i++) {
278         num = num << 8;
279         num += enc[i];
280     }
281 
282     fprintf(fp, " 0x%lx", num);
283     if (enc[0])
284         fprintf(fp, " (%d unused bits)", enc[0]);
285     return 1;
286 }
287 
288 /*
289  * This is the printing function for integers
290  */
291 int
do_prim_int(FILE * fp,int tag,unsigned char * enc,int len,int lev)292 do_prim_int(FILE *fp, int tag, unsigned char *enc, int len, int lev)
293 {
294     int i;
295     long        num = 0;
296 
297     if (tag != PRIM_INT || len > 4)
298         return 0;
299 
300     if (enc[0] & 0x80)
301         num = -1;
302 
303     for (i=0; i < len; i++) {
304         num = num << 8;
305         num += enc[i];
306     }
307 
308     fprintf(fp, " %ld", num);
309     return 1;
310 }
311 
312 
313 /*
314  * This is the printing function which we use if it's a string or
315  * other other type which is best printed as a string
316  */
317 int
do_prim_string(FILE * fp,int tag,unsigned char * enc,int len,int lev)318 do_prim_string(FILE *fp, int tag, unsigned char *enc, int len, int lev)
319 {
320     int i;
321 
322     /*
323      * Only try this printing function with "reasonable" types
324      */
325     if ((tag < DEFN_NUMS) && (tag != PRIM_OCTS) && (tag != PRIM_UTF8))
326         return 0;
327 
328     for (i=0; i < len; i++)
329         if (!isprint(enc[i]))
330             return 0;
331     fprintf(fp, " \"%.*s\"", len, enc);
332     return 1;
333 }
334 
335 int
do_prim(FILE * fp,int tag,unsigned char * enc,int len,int lev)336 do_prim(FILE *fp, int tag, unsigned char *enc, int len, int lev)
337 {
338     int n;
339     int i;
340     int j;
341     int width;
342 
343     if (do_prim_string(fp, tag, enc, len, lev))
344         return OK;
345     if (do_prim_int(fp, tag, enc, len, lev))
346         return OK;
347     if (do_prim_bitstring(fp, tag, enc, len, lev))
348         return OK;
349 
350     if (print_primitive_length)
351         fprintf(fp, " <%d>", len);
352 
353     width = (80 - (lev * 3) - 8) / 4;
354 
355     for (n = 0; n < len; n++) {
356         if ((n % width) == 0) {
357             fprintf(fp, "\n");
358             for (i=0; i<lev; i++) fprintf(fp, "   ");
359         }
360         fprintf(fp, "%02x ", enc[n]);
361         if ((n % width) == (width-1)) {
362             fprintf(fp, "    ");
363             for (i=n-(width-1); i<=n; i++)
364                 if (isprint(enc[i])) fprintf(fp, "%c", enc[i]);
365                 else fprintf(fp, ".");
366         }
367     }
368     if ((j = (n % width)) != 0) {
369         fprintf(fp, "    ");
370         for (i=0; i<width-j; i++) fprintf(fp, "   ");
371         for (i=n-j; i<n; i++)
372             if (isprint(enc[i])) fprintf(fp, "%c", enc[i]);
373             else fprintf(fp, ".");
374     }
375     return(OK);
376 }
377 
378 int
do_cons(FILE * fp,unsigned char * enc,int len,int lev,int * rlen)379 do_cons(FILE *fp, unsigned char *enc, int len, int lev, int *rlen)
380 {
381     int n;
382     int r = 0;
383     int rlen2;
384     int rlent;
385     int save_appl;
386 
387     save_appl = current_appl_type;
388     for (n = 0, rlent = 0; n < len; n+=rlen2, rlent+=rlen2) {
389         r = trval2(fp, enc+n, len-n, lev, &rlen2);
390         current_appl_type = save_appl;
391         if (r != OK) return(r);
392     }
393     if (rlent != len) {
394         fprintf(fp, "inconsistent constructed lengths (%d != %d)\n",
395                 rlent, len);
396         return(NOTOK);
397     }
398     *rlen = rlent;
399     return(r);
400 }
401 
402 struct typestring_table {
403     int k1, k2;
404     char        *str;
405     int new_appl;
406 };
407 
408 static char *
lookup_typestring(struct typestring_table * table,int key1,int key2)409 lookup_typestring(struct typestring_table *table, int key1, int key2)
410 {
411     struct typestring_table *ent;
412 
413     for (ent = table; ent->k1 > 0; ent++) {
414         if ((ent->k1 == key1) &&
415             (ent->k2 == key2)) {
416             if (ent->new_appl)
417                 current_appl_type = ent->new_appl;
418             return ent->str;
419         }
420     }
421     return 0;
422 }
423 
424 
425 struct typestring_table univ_types[] = {
426     { PRIM_BOOL, -1, "Boolean"},
427     { PRIM_INT, -1, "Integer"},
428     { PRIM_BITS, -1, "Bit String"},
429     { PRIM_OCTS, -1, "Octet String"},
430     { PRIM_NULL, -1, "Null"},
431     { PRIM_OID, -1, "Object Identifier"},
432     { PRIM_ODE, -1, "Object Descriptor"},
433     { CONS_EXTN, -1, "External"},
434     { PRIM_REAL, -1, "Real"},
435     { PRIM_ENUM, -1, "Enumerated type"},
436     { PRIM_ENCR, -1, "Encrypted"},
437     { PRIM_UTF8, -1, "UTF8String"},
438     { CONS_SEQ, -1, "Sequence/Sequence Of"},
439     { CONS_SET, -1, "Set/Set Of"},
440     { DEFN_NUMS, -1, "Numeric String"},
441     { DEFN_PRTS, -1, "Printable String"},
442     { DEFN_T61S, -1, "T.61 String"},
443     { DEFN_VTXS, -1, "Videotex String"},
444     { DEFN_IA5S, -1, "IA5 String"},
445     { DEFN_UTCT, -1, "UTCTime"},
446     { DEFN_GENT, -1, "Generalized Time"},
447     { DEFN_GFXS, -1, "Graphics string (ISO2375)"},
448     { DEFN_VISS, -1, "Visible string"},
449     { DEFN_GENS, -1, "General string"},
450     { DEFN_CHRS, -1, "Character string"},
451     { -1, -1, 0}
452 };
453 
454 #ifdef KRB5
455 struct typestring_table krb5_types[] = {
456     { 1, -1, "Krb5 Ticket"},
457     { 2, -1, "Krb5 Authenticator"},
458     { 3, -1, "Krb5 Encrypted ticket part"},
459     { 10, -1, "Krb5 AS-REQ packet"},
460     { 11, -1, "Krb5 AS-REP packet"},
461     { 12, -1, "Krb5 TGS-REQ packet"},
462     { 13, -1, "Krb5 TGS-REP packet"},
463     { 14, -1, "Krb5 AP-REQ packet"},
464     { 15, -1, "Krb5 AP-REP packet"},
465     { 20, -1, "Krb5 SAFE packet"},
466     { 21, -1, "Krb5 PRIV packet"},
467     { 22, -1, "Krb5 CRED packet"},
468     { 30, -1, "Krb5 ERROR packet"},
469     { 25, -1, "Krb5 Encrypted AS-REP part"},
470     { 26, -1, "Krb5 Encrypted TGS-REP part"},
471     { 27, -1, "Krb5 Encrypted AP-REP part"},
472     { 28, -1, "Krb5 Encrypted PRIV part"},
473     { 29, -1, "Krb5 Encrypted CRED part"},
474     { -1, -1, 0}
475 };
476 
477 struct typestring_table krb5_fields[] = {
478     { 1000, 0, "name-type"}, /* PrincipalName */
479     { 1000, 1, "name-string"},
480 
481     { 1001, 0, "etype"},        /* Encrypted data */
482     { 1001, 1, "kvno"},
483     { 1001, 2, "cipher"},
484 
485     { 1002, 0, "addr-type"},    /* HostAddress */
486     { 1002, 1, "address"},
487 
488     { 1003, 0, "addr-type"},    /* HostAddresses */
489     { 1003, 1, "address"},
490 
491     { 1004, 0, "ad-type"},      /* AuthorizationData */
492     { 1004, 1, "ad-data"},
493 
494     { 1005, 0, "keytype"},      /* EncryptionKey */
495     { 1005, 1, "keyvalue"},
496 
497     { 1006, 0, "cksumtype"},    /* Checksum */
498     { 1006, 1, "checksum"},
499 
500     { 1007, 0, "kdc-options"},  /* KDC-REQ-BODY */
501     { 1007, 1, "cname", 1000},
502     { 1007, 2, "realm"},
503     { 1007, 3, "sname", 1000},
504     { 1007, 4, "from"},
505     { 1007, 5, "till"},
506     { 1007, 6, "rtime"},
507     { 1007, 7, "nonce"},
508     { 1007, 8, "etype"},
509     { 1007, 9, "addresses", 1003},
510     { 1007, 10, "enc-authorization-data", 1001},
511     { 1007, 11, "additional-tickets"},
512 
513     { 1008, 1, "padata-type"},  /* PA-DATA */
514     { 1008, 2, "pa-data"},
515 
516     { 1009, 0, "user-data"},    /* KRB-SAFE-BODY */
517     { 1009, 1, "timestamp"},
518     { 1009, 2, "usec"},
519     { 1009, 3, "seq-number"},
520     { 1009, 4, "s-address", 1002},
521     { 1009, 5, "r-address", 1002},
522 
523     { 1010, 0, "lr-type"},      /* LastReq */
524     { 1010, 1, "lr-value"},
525 
526     { 1011, 0, "key", 1005},    /* KRB-CRED-INFO */
527     { 1011, 1, "prealm"},
528     { 1011, 2, "pname", 1000},
529     { 1011, 3, "flags"},
530     { 1011, 4, "authtime"},
531     { 1011, 5, "startime"},
532     { 1011, 6, "endtime"},
533     { 1011, 7, "renew-till"},
534     { 1011, 8, "srealm"},
535     { 1011, 9, "sname", 1000},
536     { 1011, 10, "caddr", 1002},
537 
538     { 1, 0, "tkt-vno"}, /* Ticket */
539     { 1, 1, "realm"},
540     { 1, 2, "sname", 1000},
541     { 1, 3, "tkt-enc-part", 1001},
542 
543     { 2, 0, "authenticator-vno"}, /* Authenticator */
544     { 2, 1, "crealm"},
545     { 2, 2, "cname", 1000},
546     { 2, 3, "cksum", 1006},
547     { 2, 4, "cusec"},
548     { 2, 5, "ctime"},
549     { 2, 6, "subkey", 1005},
550     { 2, 7, "seq-number"},
551     { 2, 8, "authorization-data", 1004},
552 
553     { 3, 0, "flags"}, /* EncTicketPart */
554     { 3, 1, "key", 1005},
555     { 3, 2, "crealm"},
556     { 3, 3, "cname", 1000},
557     { 3, 4, "transited"},
558     { 3, 5, "authtime"},
559     { 3, 6, "starttime"},
560     { 3, 7, "endtime"},
561     { 3, 8, "renew-till"},
562     { 3, 9, "caddr", 1003},
563     { 3, 10, "authorization-data", 1004},
564 
565     { 10, 1, "pvno"},   /* AS-REQ */
566     { 10, 2, "msg-type"},
567     { 10, 3, "padata", 1008},
568     { 10, 4, "req-body", 1007},
569 
570     { 11, 0, "pvno"},   /* AS-REP */
571     { 11, 1, "msg-type"},
572     { 11, 2, "padata", 1008},
573     { 11, 3, "crealm"},
574     { 11, 4, "cname", 1000},
575     { 11, 5, "ticket"},
576     { 11, 6, "enc-part", 1001},
577 
578     { 12, 1, "pvno"},   /* TGS-REQ */
579     { 12, 2, "msg-type"},
580     { 12, 3, "padata", 1008},
581     { 12, 4, "req-body", 1007},
582 
583     { 13, 0, "pvno"},   /* TGS-REP */
584     { 13, 1, "msg-type"},
585     { 13, 2, "padata", 1008},
586     { 13, 3, "crealm"},
587     { 13, 4, "cname", 1000},
588     { 13, 5, "ticket"},
589     { 13, 6, "enc-part", 1001},
590 
591     { 14, 0, "pvno"},   /* AP-REQ */
592     { 14, 1, "msg-type"},
593     { 14, 2, "ap-options"},
594     { 14, 3, "ticket"},
595     { 14, 4, "authenticator", 1001},
596 
597     { 15, 0, "pvno"},   /* AP-REP */
598     { 15, 1, "msg-type"},
599     { 15, 2, "enc-part", 1001},
600 
601     { 20, 0, "pvno"},   /* KRB-SAFE */
602     { 20, 1, "msg-type"},
603     { 20, 2, "safe-body", 1009},
604     { 20, 3, "cksum", 1006},
605 
606     { 21, 0, "pvno"},   /* KRB-PRIV */
607     { 21, 1, "msg-type"},
608     { 21, 2, "enc-part", 1001},
609 
610     { 22, 0, "pvno"},   /* KRB-CRED */
611     { 22, 1, "msg-type"},
612     { 22, 2, "tickets"},
613     { 22, 3, "enc-part", 1001},
614 
615     { 25, 0, "key", 1005},      /* EncASRepPart */
616     { 25, 1, "last-req", 1010},
617     { 25, 2, "nonce"},
618     { 25, 3, "key-expiration"},
619     { 25, 4, "flags"},
620     { 25, 5, "authtime"},
621     { 25, 6, "starttime"},
622     { 25, 7, "enddtime"},
623     { 25, 8, "renew-till"},
624     { 25, 9, "srealm"},
625     { 25, 10, "sname", 1000},
626     { 25, 11, "caddr", 1003},
627 
628     { 26, 0, "key", 1005},      /* EncTGSRepPart */
629     { 26, 1, "last-req", 1010},
630     { 26, 2, "nonce"},
631     { 26, 3, "key-expiration"},
632     { 26, 4, "flags"},
633     { 26, 5, "authtime"},
634     { 26, 6, "starttime"},
635     { 26, 7, "enddtime"},
636     { 26, 8, "renew-till"},
637     { 26, 9, "srealm"},
638     { 26, 10, "sname", 1000},
639     { 26, 11, "caddr", 1003},
640 
641     { 27, 0, "ctime"},  /* EncApRepPart */
642     { 27, 1, "cusec"},
643     { 27, 2, "subkey", 1005},
644     { 27, 3, "seq-number"},
645 
646     { 28, 0, "user-data"},      /* EncKrbPrivPart */
647     { 28, 1, "timestamp"},
648     { 28, 2, "usec"},
649     { 28, 3, "seq-number"},
650     { 28, 4, "s-address", 1002},
651     { 28, 5, "r-address", 1002},
652 
653     { 29, 0, "ticket-info", 1011},      /* EncKrbCredPart */
654     { 29, 1, "nonce"},
655     { 29, 2, "timestamp"},
656     { 29, 3, "usec"},
657     { 29, 4, "s-address", 1002},
658     { 29, 5, "r-address", 1002},
659 
660     { 30, 0, "pvno"},   /* KRB-ERROR */
661     { 30, 1, "msg-type"},
662     { 30, 2, "ctime"},
663     { 30, 3, "cusec"},
664     { 30, 4, "stime"},
665     { 30, 5, "susec"},
666     { 30, 6, "error-code"},
667     { 30, 7, "crealm"},
668     { 30, 8, "cname", 1000},
669     { 30, 9, "realm"},
670     { 30, 10, "sname", 1000},
671     { 30, 11, "e-text"},
672     { 30, 12, "e-data"},
673 
674     { -1, -1, 0}
675 };
676 #endif
677 
678 void
print_tag_type(FILE * fp,int eid,int lev)679 print_tag_type(FILE *fp, int eid, int lev)
680 {
681     int tag = eid & ID_TAG;
682     int do_space = 1;
683     char        *str;
684 
685     fprintf(fp, "[");
686 
687     switch(eid & ID_CLASS) {
688     case CLASS_UNIV:
689         if (print_types && print_skip_tagnum)
690             do_space = 0;
691         else
692             fprintf(fp, "UNIV %d", tag);
693         break;
694     case CLASS_APPL:
695         current_appl_type = tag;
696 #ifdef KRB5
697         if (print_krb5_types) {
698             str = lookup_typestring(krb5_types, tag, -1);
699             if (str) {
700                 fputs(str, fp);
701                 break;
702             }
703         }
704 #endif
705         fprintf(fp, "APPL %d", tag);
706         break;
707     case CLASS_CONT:
708 #ifdef KRB5
709         if (print_krb5_types && current_appl_type) {
710             str = lookup_typestring(krb5_fields,
711                                     current_appl_type, tag);
712             if (str) {
713                 fputs(str, fp);
714                 break;
715             }
716         }
717 #endif
718         if (print_skip_context && lev)
719             fprintf(fp, "%d", tag);
720         else
721             fprintf(fp, "CONT %d", tag);
722         break;
723     case CLASS_PRIV:
724         fprintf(fp, "PRIV %d", tag);
725         break;
726     }
727 
728     if (print_types && ((eid & ID_CLASS) == CLASS_UNIV)) {
729         if (do_space)
730             fputs(" ", fp);
731         str = lookup_typestring(univ_types, eid & ID_TAG, -1);
732         if (str)
733             fputs(str, fp);
734         else
735             fprintf(fp, "UNIV %d???", eid & ID_TAG);
736     }
737 
738     fprintf(fp, "]");
739 
740 }
741 
742 /*****************************************************************************/
743