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 1.11 1995-08-15 12:00:09 quinn
30 * Revision 1.10 1995/08/10 08:54:33 quinn
33 * Revision 1.9 1995/06/19 12:38:26 quinn
34 * Reorganized include-files. Added small features.
36 * Revision 1.8 1995/06/16 13:16:04 quinn
37 * Fixed Defaultdiagformat.
39 * Revision 1.7 1995/05/29 08:11:32 quinn
40 * Moved oid from odr/asn to util.
42 * Revision 1.6 1995/05/22 14:47:00 quinn
43 * ODR_NULLVAL --> void
45 * Revision 1.5 1995/05/22 11:31:24 quinn
48 * Revision 1.4 1995/05/16 08:50:33 quinn
49 * License, documentation, and memory fixes
51 * Revision 1.3 1995/05/15 11:55:54 quinn
52 * Work on asynchronous activity.
54 * Revision 1.2 1995/04/18 08:14:37 quinn
55 * Added dynamic memory allocation on encoding
57 * Revision 1.1 1995/03/30 09:39:41 quinn
58 * Moved .h files to include directory
60 * Revision 1.15 1995/03/29 15:39:57 quinn
61 * Fixed bugs in the bitmask operations
63 * Revision 1.14 1995/03/27 08:33:15 quinn
64 * Added more OID utilities.
66 * Revision 1.13 1995/03/17 10:17:44 quinn
67 * Added memory management.
69 * Revision 1.12 1995/03/14 10:27:38 quinn
70 * Modified makefile to use common lib
71 * Beginning to add memory management to odr
73 * Revision 1.11 1995/03/10 11:44:41 quinn
74 * Fixed serious stack-bug in odr_cons_begin
76 * Revision 1.10 1995/03/08 12:12:16 quinn
77 * Added better error checking.
79 * Revision 1.9 1995/03/07 10:10:00 quinn
80 * Added some headers for Adam.
82 * Revision 1.8 1995/03/07 09:23:16 quinn
83 * Installing top-level API and documentation.
85 * Revision 1.7 1995/02/10 15:55:29 quinn
88 * Revision 1.6 1995/02/09 15:51:47 quinn
91 * Revision 1.5 1995/02/07 17:52:59 quinn
92 * A damn mess, but now things work, I think.
94 * Revision 1.4 1995/02/06 16:45:03 quinn
97 * Revision 1.3 1995/02/03 17:04:36 quinn
98 * *** empty log message ***
100 * Revision 1.2 1995/02/02 20:38:50 quinn
103 * Revision 1.1 1995/02/02 16:21:53 quinn
122 #define ODR_IMPLICIT 0
123 #define ODR_EXPLICIT 1
128 #define ODR_UNIVERSAL 0
129 #define ODR_APPLICATION 1
130 #define ODR_CONTEXT 2
131 #define ODR_PRIVATE 3
136 #define ODR_BOOLEAN 1
137 #define ODR_INTEGER 2
138 #define ODR_BITSTRING 3
139 #define ODR_OCTETSTRING 4
143 #define ODR_EXTERNAL 8
146 #define ODR_SEQUENCE 16
148 #define ODR_NUMERICSTRING 18
149 #define ODR_PRINTABLESTRING 19
150 #define ODR_GENERALIZEDTIME 24
151 #define ODR_GRAPHICSTRING 25
152 #define ODR_VISIBLESTRING 26
153 #define ODR_GENERALSTRING 27
156 * odr stream directions
162 typedef struct odr_oct
169 typedef void Odr_null;
170 extern Odr_null *ODR_NULLVAL;
172 typedef Odr_oct Odr_any;
174 typedef struct odr_bitmask
176 #define ODR_BITMASK_SIZE 256
177 unsigned char bits[ODR_BITMASK_SIZE];
181 typedef int Odr_oid; /* terminate by -1 */
183 typedef struct odr_constack
185 unsigned char *base; /* starting point of data */
187 int len; /* length of data, if known, else -1
189 unsigned char *lenb; /* where to encode length */
191 int lenlen; /* length of length-field */
194 struct odr_memblock; /* defined in odr_mem.c */
195 typedef struct odr_memblock *ODR_MEM;
201 typedef struct odr_ecblock
203 int can_grow; /* are we allowed to reallocate */
204 unsigned char *buf; /* memory handle */
205 int pos; /* current position */
206 int top; /* top of buffer */
207 int size; /* current buffer size */
213 int direction; /* the direction of this stream */
215 int error; /* current error state (0==OK) */
216 unsigned char *buf; /* for encoding or decoding */
217 int buflen; /* size of buffer for encoding, len for decoding */
218 unsigned char *bp; /* position in buffer */
219 int left; /* bytes remaining in buffer */
221 odr_ecblock ecb; /* memory control block */
223 int t_class; /* implicit tagging (-1==default tag) */
226 int choice_bias; /* force choice */
228 FILE *print; /* output file for direction print */
229 int indent; /* current indent level for printing */
231 struct odr_memblock *mem;
233 /* stack for constructed types */
234 #define ODR_MAX_STACK 50
235 int stackp; /* top of stack (-1 == initial state) */
236 odr_constack stack[ODR_MAX_STACK];
239 typedef int (*Odr_fun)();
241 typedef struct odr_arm
258 #define OUNEXPECTED 5
265 extern char *odr_errlist[];
267 int odr_geterror(ODR o);
268 void odr_perror(ODR o, char *message);
269 void odr_setprint(ODR o, FILE *file);
270 ODR odr_createmem(int direction);
271 void odr_reset(ODR o);
272 void odr_destroy(ODR o);
273 void odr_setbuf(ODR o, char *buf, int len, int can_grow);
274 char *odr_getbuf(ODR o, int *len, int *size);
275 void *odr_malloc(ODR o, int size);
276 ODR_MEM odr_extract_mem(ODR o);
277 void odr_release_mem(ODR_MEM p);
279 #define odr_implicit(o, t, p, cl, tg, opt)\
280 (odr_implicit_settag((o), cl, tg), t ((o), (p), opt) )
282 #define odr_explicit(o, t, p, cl, tg, opt)\
283 ((int) (odr_constructed_begin((o), (p), (cl), (tg)) ? \
284 t ((o), (p), (opt)) &&\
285 odr_constructed_end(o) : opt))
287 #define ODR_MASK_ZERO(mask)\
288 ((void) (memset((mask)->bits, 0, ODR_BITMASK_SIZE),\
291 #define ODR_MASK_SET(mask, num)\
292 (((mask)->bits[(num) >> 3] |= 0X80 >> ((num) & 0X07)),\
293 (mask)->top < (num) >> 3 ? ((mask)->top = (num) >> 3) : 0)
295 #define ODR_MASK_CLEAR(mask, num)\
296 ((mask)->bits[(num) >> 3] &= ~(0X80 >> ((num) & 0X07)))
298 #define ODR_MASK_GET(mask, num) ( ((num) >> 3 <= (mask)->top) ? \
299 ((mask)->bits[(num) >> 3] & (0X80 >> ((num) & 0X07)) ? 1 : 0) : 0)
302 * write a single character at the current position - grow buffer if
304 * (no, we're not usually this anal about our macros, but this baby is
305 * next to unreadable without some indentation :)
307 #define odr_putc(o, c) \
310 (o)->ecb.pos < (o)->ecb.size ? \
312 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
316 odr_grow_block(&(o)->ecb, 1) == 0 ? \
318 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
322 (o)->error = OSPACE, \
328 (o)->ecb.pos > (o)->ecb.top ? \
330 (o)->ecb.top = (o)->ecb.pos, \
338 #define odr_tell(o) ((o)->ecb.pos)
339 #define odr_ok(o) (!(o)->error)
341 #define ODR_MAXNAME 256