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 1.8 1995-06-16 13:16:04 quinn
28 * Fixed Defaultdiagformat.
30 * Revision 1.7 1995/05/29 08:11:32 quinn
31 * Moved oid from odr/asn to util.
33 * Revision 1.6 1995/05/22 14:47:00 quinn
34 * ODR_NULLVAL --> void
36 * Revision 1.5 1995/05/22 11:31:24 quinn
39 * Revision 1.4 1995/05/16 08:50:33 quinn
40 * License, documentation, and memory fixes
42 * Revision 1.3 1995/05/15 11:55:54 quinn
43 * Work on asynchronous activity.
45 * Revision 1.2 1995/04/18 08:14:37 quinn
46 * Added dynamic memory allocation on encoding
48 * Revision 1.1 1995/03/30 09:39:41 quinn
49 * Moved .h files to include directory
51 * Revision 1.15 1995/03/29 15:39:57 quinn
52 * Fixed bugs in the bitmask operations
54 * Revision 1.14 1995/03/27 08:33:15 quinn
55 * Added more OID utilities.
57 * Revision 1.13 1995/03/17 10:17:44 quinn
58 * Added memory management.
60 * Revision 1.12 1995/03/14 10:27:38 quinn
61 * Modified makefile to use common lib
62 * Beginning to add memory management to odr
64 * Revision 1.11 1995/03/10 11:44:41 quinn
65 * Fixed serious stack-bug in odr_cons_begin
67 * Revision 1.10 1995/03/08 12:12:16 quinn
68 * Added better error checking.
70 * Revision 1.9 1995/03/07 10:10:00 quinn
71 * Added some headers for Adam.
73 * Revision 1.8 1995/03/07 09:23:16 quinn
74 * Installing top-level API and documentation.
76 * Revision 1.7 1995/02/10 15:55:29 quinn
79 * Revision 1.6 1995/02/09 15:51:47 quinn
82 * Revision 1.5 1995/02/07 17:52:59 quinn
83 * A damn mess, but now things work, I think.
85 * Revision 1.4 1995/02/06 16:45:03 quinn
88 * Revision 1.3 1995/02/03 17:04:36 quinn
89 * *** empty log message ***
91 * Revision 1.2 1995/02/02 20:38:50 quinn
94 * Revision 1.1 1995/02/02 16:21:53 quinn
113 #define ODR_IMPLICIT 0
114 #define ODR_EXPLICIT 1
119 #define ODR_UNIVERSAL 0
120 #define ODR_APPLICATION 1
121 #define ODR_CONTEXT 2
122 #define ODR_PRIVATE 3
127 #define ODR_BOOLEAN 1
128 #define ODR_INTEGER 2
129 #define ODR_BITSTRING 3
130 #define ODR_OCTETSTRING 4
134 #define ODR_EXTERNAL 8
137 #define ODR_SEQUENCE 16
139 #define ODR_NUMERICSTRING 18
140 #define ODR_PRINTABLESTRING 19
141 #define ODR_GRAPHICSTRING 25
142 #define ODR_VISIBLESTRING 26
143 #define ODR_GENERALSTRING 27
146 * odr stream directions
152 typedef struct odr_oct
159 typedef void Odr_null;
160 extern Odr_null *ODR_NULLVAL;
162 typedef Odr_oct Odr_any;
164 typedef struct odr_bitmask
166 #define ODR_BITMASK_SIZE 256
167 unsigned char bits[ODR_BITMASK_SIZE];
171 typedef int Odr_oid; /* terminate by -1 */
173 typedef struct odr_constack
175 unsigned char *base; /* starting point of data */
177 int len; /* length of data, if known, else -1
179 unsigned char *lenb; /* where to encode length */
181 int lenlen; /* length of length-field */
184 struct odr_memblock; /* defined in odr_mem.c */
185 typedef struct odr_memblock *ODR_MEM;
191 typedef struct odr_ecblock
193 int can_grow; /* are we allowed to reallocate */
194 unsigned char *buf; /* memory handle */
195 int pos; /* current position */
196 int top; /* top of buffer */
197 int size; /* current buffer size */
203 int direction; /* the direction of this stream */
205 int error; /* current error state (0==OK) */
206 unsigned char *buf; /* for encoding or decoding */
207 int buflen; /* size of buffer for encoding, len for decoding */
208 unsigned char *bp; /* position in buffer */
209 int left; /* bytes remaining in buffer */
211 odr_ecblock ecb; /* memory control block */
213 int t_class; /* implicit tagging (-1==default tag) */
216 FILE *print; /* output file for direction print */
217 int indent; /* current indent level for printing */
219 struct odr_memblock *mem;
221 /* stack for constructed types */
222 #define ODR_MAX_STACK 50
223 int stackp; /* top of stack (-1 == initial state) */
224 odr_constack stack[ODR_MAX_STACK];
227 typedef int (*Odr_fun)();
229 typedef struct odr_arm
246 #define OUNEXPECTED 5
252 extern char *odr_errlist[];
254 int odr_geterror(ODR o);
255 void odr_perror(ODR o, char *message);
256 void odr_setprint(ODR o, FILE *file);
257 ODR odr_createmem(int direction);
258 void odr_reset(ODR o);
259 void odr_destroy(ODR o);
260 void odr_setbuf(ODR o, char *buf, int len, int can_grow);
261 char *odr_getbuf(ODR o, int *len, int *size);
262 void *odr_malloc(ODR o, int size);
263 ODR_MEM odr_extract_mem(ODR o);
264 void odr_release_mem(ODR_MEM p);
266 #define odr_implicit(o, t, p, cl, tg, opt)\
267 (odr_implicit_settag((o), cl, tg), t ((o), (p), opt) )
269 #define odr_explicit(o, t, p, cl, tg, opt)\
270 ((int) (odr_constructed_begin((o), (p), (cl), (tg)) ? \
271 t ((o), (p), (opt)) &&\
272 odr_constructed_end(o) : opt))
274 #define ODR_MASK_ZERO(mask)\
275 ((void) (memset((mask)->bits, 0, ODR_BITMASK_SIZE),\
278 #define ODR_MASK_SET(mask, num)\
279 (((mask)->bits[(num) >> 3] |= 0X80 >> ((num) & 0X07)),\
280 (mask)->top < (num) >> 3 ? ((mask)->top = (num) >> 3) : 0)
282 #define ODR_MASK_CLEAR(mask, num)\
283 ((mask)->bits[(num) >> 3] &= ~(0X80 >> ((num) & 0X07)))
285 #define ODR_MASK_GET(mask, num) ( ((num) >> 3 <= (mask)->top) ? \
286 ((mask)->bits[(num) >> 3] & (0X80 >> ((num) & 0X07)) ? 1 : 0) : 0)
289 * write a single character at the current position - grow buffer if
291 * (no, we're not usually this anal about our macros, but this baby is
292 * next to unreadable without some indentation :)
294 #define odr_putc(o, c) \
297 (o)->ecb.pos < (o)->ecb.size ? \
299 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
303 odr_grow_block(&(o)->ecb, 1) == 0 ? \
305 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
309 (o)->error = OSPACE, \
315 (o)->ecb.pos > (o)->ecb.top ? \
317 (o)->ecb.top = (o)->ecb.pos, \
325 #define odr_tell(o) ((o)->ecb.pos)
326 #define odr_ok(o) (!(o)->error)
328 #define ODR_MAXNAME 256