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 1.5 1995-05-22 11:31:24 quinn
30 * Revision 1.4 1995/05/16 08:50:33 quinn
31 * License, documentation, and memory fixes
33 * Revision 1.3 1995/05/15 11:55:54 quinn
34 * Work on asynchronous activity.
36 * Revision 1.2 1995/04/18 08:14:37 quinn
37 * Added dynamic memory allocation on encoding
39 * Revision 1.1 1995/03/30 09:39:41 quinn
40 * Moved .h files to include directory
42 * Revision 1.15 1995/03/29 15:39:57 quinn
43 * Fixed bugs in the bitmask operations
45 * Revision 1.14 1995/03/27 08:33:15 quinn
46 * Added more OID utilities.
48 * Revision 1.13 1995/03/17 10:17:44 quinn
49 * Added memory management.
51 * Revision 1.12 1995/03/14 10:27:38 quinn
52 * Modified makefile to use common lib
53 * Beginning to add memory management to odr
55 * Revision 1.11 1995/03/10 11:44:41 quinn
56 * Fixed serious stack-bug in odr_cons_begin
58 * Revision 1.10 1995/03/08 12:12:16 quinn
59 * Added better error checking.
61 * Revision 1.9 1995/03/07 10:10:00 quinn
62 * Added some headers for Adam.
64 * Revision 1.8 1995/03/07 09:23:16 quinn
65 * Installing top-level API and documentation.
67 * Revision 1.7 1995/02/10 15:55:29 quinn
70 * Revision 1.6 1995/02/09 15:51:47 quinn
73 * Revision 1.5 1995/02/07 17:52:59 quinn
74 * A damn mess, but now things work, I think.
76 * Revision 1.4 1995/02/06 16:45:03 quinn
79 * Revision 1.3 1995/02/03 17:04:36 quinn
80 * *** empty log message ***
82 * Revision 1.2 1995/02/02 20:38:50 quinn
85 * Revision 1.1 1995/02/02 16:21:53 quinn
104 #define ODR_IMPLICIT 0
105 #define ODR_EXPLICIT 1
110 #define ODR_UNIVERSAL 0
111 #define ODR_APPLICATION 1
112 #define ODR_CONTEXT 2
113 #define ODR_PRIVATE 3
118 #define ODR_BOOLEAN 1
119 #define ODR_INTEGER 2
120 #define ODR_BITSTRING 3
121 #define ODR_OCTETSTRING 4
125 #define ODR_EXTERNAL 8
128 #define ODR_SEQUENCE 16
130 #define ODR_NUMERICSTRING 18
131 #define ODR_PRINTABLESTRING 19
132 #define ODR_GRAPHICSTRING 25
133 #define ODR_VISIBLESTRING 26
136 * odr stream directions
142 typedef struct odr_oct
149 typedef char Odr_null;
150 extern Odr_null *ODR_NULLVAL;
152 typedef Odr_oct Odr_any;
154 typedef struct odr_bitmask
156 #define ODR_BITMASK_SIZE 256
157 unsigned char bits[ODR_BITMASK_SIZE];
161 #define ODR_OID_SIZE 100
162 typedef int Odr_oid; /* terminate by -1 */
164 typedef struct odr_constack
166 unsigned char *base; /* starting point of data */
168 int len; /* length of data, if known, else -1
170 unsigned char *lenb; /* where to encode length */
172 int lenlen; /* length of length-field */
175 struct odr_memblock; /* defined in odr_mem.c */
176 typedef struct odr_memblock *ODR_MEM;
182 typedef struct odr_ecblock
184 int can_grow; /* are we allowed to reallocate */
185 unsigned char *buf; /* memory handle */
186 int pos; /* current position */
187 int top; /* top of buffer */
188 int size; /* current buffer size */
194 int direction; /* the direction of this stream */
196 int error; /* current error state (0==OK) */
197 unsigned char *buf; /* for encoding or decoding */
198 int buflen; /* size of buffer for encoding, len for decoding */
199 unsigned char *bp; /* position in buffer */
200 int left; /* bytes remaining in buffer */
202 odr_ecblock ecb; /* memory control block */
204 int t_class; /* implicit tagging (-1==default tag) */
207 FILE *print; /* output file for direction print */
208 int indent; /* current indent level for printing */
210 struct odr_memblock *mem;
212 /* stack for constructed types */
213 #define ODR_MAX_STACK 50
214 int stackp; /* top of stack (-1 == initial state) */
215 odr_constack stack[ODR_MAX_STACK];
218 typedef int (*Odr_fun)();
220 typedef struct odr_arm
237 #define OUNEXPECTED 5
243 extern char *odr_errlist[];
245 int odr_geterror(ODR o);
246 void odr_perror(ODR o, char *message);
247 void odr_setprint(ODR o, FILE *file);
248 ODR odr_createmem(int direction);
249 void odr_reset(ODR o);
250 void odr_destroy(ODR o);
251 void odr_setbuf(ODR o, char *buf, int len, int can_grow);
252 char *odr_getbuf(ODR o, int *len, int *size);
253 void *odr_malloc(ODR o, int size);
254 ODR_MEM odr_extract_mem(ODR o);
255 void odr_release_mem(ODR_MEM p);
257 #define odr_implicit(o, t, p, cl, tg, opt)\
258 (odr_implicit_settag((o), cl, tg), t ((o), (p), opt) )
260 #define odr_explicit(o, t, p, cl, tg, opt)\
261 ((int) (odr_constructed_begin((o), (p), (cl), (tg)) ? \
262 t ((o), (p), (opt)) &&\
263 odr_constructed_end(o) : opt))
265 #define ODR_MASK_ZERO(mask)\
266 ((void) (memset((mask)->bits, 0, ODR_BITMASK_SIZE),\
269 #define ODR_MASK_SET(mask, num)\
270 (((mask)->bits[(num) >> 3] |= 0X80 >> ((num) & 0X07)),\
271 (mask)->top < (num) >> 3 ? ((mask)->top = (num) >> 3) : 0)
273 #define ODR_MASK_CLEAR(mask, num)\
274 ((mask)->bits[(num) >> 3] &= ~(0X80 >> ((num) & 0X07)))
276 #define ODR_MASK_GET(mask, num) ( ((num) >> 3 <= (mask)->top) ? \
277 ((mask)->bits[(num) >> 3] & (0X80 >> ((num) & 0X07)) ? 1 : 0) : 0)
280 * write a single character at the current position - grow buffer if
282 * (no, we're not usually this anal about our macros, but this baby is
283 * next to unreadable without some indentation :)
285 #define odr_putc(o, c) \
288 (o)->ecb.pos < (o)->ecb.size ? \
290 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
294 odr_grow_block(&(o)->ecb, 1) == 0 ? \
296 (o)->ecb.buf[(o)->ecb.pos++] = (c), \
300 (o)->error = OSPACE, \
306 (o)->ecb.pos > (o)->ecb.top ? \
308 (o)->ecb.top = (o)->ecb.pos, \
316 #define odr_tell(o) ((o)->ecb.pos)
317 #define odr_ok(o) (!(o)->error)
319 #define ODR_MAXNAME 256