2 * Copyright (c) 1995, Index Data.
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation, in whole or in part, for any purpose, is hereby granted,
8 * 1. This copyright and permission notice appear in all copies of the
9 * software and its documentation. Notices of copyright or attribution
10 * which appear at the beginning of any file must remain unchanged.
12 * 2. The name of Index Data or the individual authors may not be used to
13 * endorse or promote products derived from this software without specific
14 * prior written permission.
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
18 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
19 * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
20 * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
21 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
22 * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
27 * Revision 1.16 1995-11-01 13:54:36 quinn
30 * Revision 1.15 1995/10/18 16:12:36 quinn
33 * Revision 1.14 1995/09/29 17:12:04 quinn
36 * Revision 1.13 1995/09/29 17:01:49 quinn
39 * Revision 1.12 1995/09/27 15:02:48 quinn
40 * Modified function heads & prototypes.
42 * Revision 1.11 1995/08/15 12:00:09 quinn
45 * Revision 1.10 1995/08/10 08:54:33 quinn
48 * Revision 1.9 1995/06/19 12:38:26 quinn
49 * Reorganized include-files. Added small features.
51 * Revision 1.8 1995/06/16 13:16:04 quinn
52 * Fixed Defaultdiagformat.
54 * Revision 1.7 1995/05/29 08:11:32 quinn
55 * Moved oid from odr/asn to util.
57 * Revision 1.6 1995/05/22 14:47:00 quinn
58 * ODR_NULLVAL --> void
60 * Revision 1.5 1995/05/22 11:31:24 quinn
63 * Revision 1.4 1995/05/16 08:50:33 quinn
64 * License, documentation, and memory fixes
66 * Revision 1.3 1995/05/15 11:55:54 quinn
67 * Work on asynchronous activity.
69 * Revision 1.2 1995/04/18 08:14:37 quinn
70 * Added dynamic memory allocation on encoding
72 * Revision 1.1 1995/03/30 09:39:41 quinn
73 * Moved .h files to include directory
75 * Revision 1.15 1995/03/29 15:39:57 quinn
76 * Fixed bugs in the bitmask operations
78 * Revision 1.14 1995/03/27 08:33:15 quinn
79 * Added more OID utilities.
81 * Revision 1.13 1995/03/17 10:17:44 quinn
82 * Added memory management.
84 * Revision 1.12 1995/03/14 10:27:38 quinn
85 * Modified makefile to use common lib
86 * Beginning to add memory management to odr
88 * Revision 1.11 1995/03/10 11:44:41 quinn
89 * Fixed serious stack-bug in odr_cons_begin
91 * Revision 1.10 1995/03/08 12:12:16 quinn
92 * Added better error checking.
94 * Revision 1.9 1995/03/07 10:10:00 quinn
95 * Added some headers for Adam.
97 * Revision 1.8 1995/03/07 09:23:16 quinn
98 * Installing top-level API and documentation.
100 * Revision 1.7 1995/02/10 15:55:29 quinn
103 * Revision 1.6 1995/02/09 15:51:47 quinn
106 * Revision 1.5 1995/02/07 17:52:59 quinn
107 * A damn mess, but now things work, I think.
109 * Revision 1.4 1995/02/06 16:45:03 quinn
112 * Revision 1.3 1995/02/03 17:04:36 quinn
113 * *** empty log message ***
115 * Revision 1.2 1995/02/02 20:38:50 quinn
118 * Revision 1.1 1995/02/02 16:21:53 quinn
139 #define ODR_IMPLICIT 0
140 #define ODR_EXPLICIT 1
145 #define ODR_UNIVERSAL 0
146 #define ODR_APPLICATION 1
147 #define ODR_CONTEXT 2
148 #define ODR_PRIVATE 3
153 #define ODR_BOOLEAN 1
154 #define ODR_INTEGER 2
155 #define ODR_BITSTRING 3
156 #define ODR_OCTETSTRING 4
160 #define ODR_EXTERNAL 8
163 #define ODR_SEQUENCE 16
165 #define ODR_NUMERICSTRING 18
166 #define ODR_PRINTABLESTRING 19
167 #define ODR_GENERALIZEDTIME 24
168 #define ODR_GRAPHICSTRING 25
169 #define ODR_VISIBLESTRING 26
170 #define ODR_GENERALSTRING 27
173 * odr stream directions
179 typedef struct odr_oct
186 typedef void Odr_null;
187 extern Odr_null *ODR_NULLVAL;
189 typedef Odr_oct Odr_any;
191 typedef struct odr_bitmask
193 #define ODR_BITMASK_SIZE 256
194 unsigned char bits[ODR_BITMASK_SIZE];
198 typedef int Odr_oid; /* terminate by -1 */
200 typedef struct odr_constack
202 unsigned char *base; /* starting point of data */
204 int len; /* length of data, if known, else -1
206 unsigned char *lenb; /* where to encode length */
208 int lenlen; /* length of length-field */
211 struct odr_memblock; /* defined in odr_mem.c */
212 typedef struct odr_memblock *ODR_MEM;
218 typedef struct odr_ecblock
220 int can_grow; /* are we allowed to reallocate */
221 unsigned char *buf; /* memory handle */
222 int pos; /* current position */
223 int top; /* top of buffer */
224 int size; /* current buffer size */
230 int direction; /* the direction of this stream */
232 int error; /* current error state (0==OK) */
233 unsigned char *buf; /* for encoding or decoding */
234 int buflen; /* size of buffer for encoding, len for decoding */
235 unsigned char *bp; /* position in buffer */
236 int left; /* bytes remaining in buffer */
238 odr_ecblock ecb; /* memory control block */
240 int t_class; /* implicit tagging (-1==default tag) */
243 int choice_bias; /* force choice */
245 FILE *print; /* output file for direction print */
246 int indent; /* current indent level for printing */
248 struct odr_memblock *mem;
250 /* stack for constructed types */
251 #define ODR_MAX_STACK 50
252 int stackp; /* top of stack (-1 == initial state) */
253 odr_constack stack[ODR_MAX_STACK];
256 typedef int (*Odr_fun)();
258 typedef struct odr_arm
275 #define OUNEXPECTED 5
282 extern char *odr_errlist[];
284 int odr_geterror(ODR o);
285 void odr_perror(ODR o, char *message);
286 void odr_setprint(ODR o, FILE *file);
287 ODR odr_createmem(int direction);
288 void odr_reset(ODR o);
289 void odr_destroy(ODR o);
290 void odr_setbuf(ODR o, char *buf, int len, int can_grow);
291 char *odr_getbuf(ODR o, int *len, int *size);
292 void *odr_malloc(ODR o, int size);
293 ODR_MEM odr_extract_mem(ODR o);
294 void odr_release_mem(ODR_MEM p);
296 #define odr_implicit(o, t, p, cl, tg, opt)\
297 (odr_implicit_settag((o), cl, tg), t ((o), (p), opt) )
299 #define odr_explicit(o, t, p, cl, tg, opt)\
300 ((int) (odr_constructed_begin((o), (p), (cl), (tg)) ? \
301 t ((o), (p), (opt)) &&\
302 odr_constructed_end(o) : opt))
304 #define ODR_MASK_ZERO(mask)\
305 ((void) (memset((mask)->bits, 0, ODR_BITMASK_SIZE),\
308 #define ODR_MASK_SET(mask, num)\
309 (((mask)->bits[(num) >> 3] |= 0X80 >> ((num) & 0X07)),\
310 (mask)->top < (num) >> 3 ? ((mask)->top = (num) >> 3) : 0)
312 #define ODR_MASK_CLEAR(mask, num)\
313 ((mask)->bits[(num) >> 3] &= ~(0X80 >> ((num) & 0X07)))
315 #define ODR_MASK_GET(mask, num) ( ((num) >> 3 <= (mask)->top) ? \
316 ((mask)->bits[(num) >> 3] & (0X80 >> ((num) & 0X07)) ? 1 : 0) : 0)
319 * write a single character at the current position - grow buffer if
321 * (no, we're not usually this anal about our macros, but this baby is
322 * next to unreadable without some indentation :)
324 #define odr_putc(o, c) \
327 (o)->ecb.pos < (o)->ecb.size ? \
329 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
333 odr_grow_block(&(o)->ecb, 1) == 0 ? \
335 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
339 (o)->error = OSPACE, \
345 (o)->ecb.pos > (o)->ecb.top ? \
347 (o)->ecb.top = (o)->ecb.pos, \
355 #define odr_tell(o) ((o)->ecb.pos)
356 #define odr_offset(o) ((o)->bp - (o)->buf)
357 #define odr_ok(o) (!(o)->error)
359 #define ODR_MAXNAME 256