Remove NOPROTO definitions and error code comments.
[openssl.git] / crypto / asn1 / asn1_mac.h
1 /* crypto/asn1/asn1_mac.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58
59 #ifndef HEADER_ASN1_MAC_H
60 #define HEADER_ASN1_MAC_H
61
62 #ifdef  __cplusplus
63 extern "C" {
64 #endif
65
66 #include <openssl/asn1.h>
67 #include <openssl/x509.h>
68 #include <openssl/pkcs7.h>
69
70 #ifndef ASN1_MAC_ERR_LIB
71 #define ASN1_MAC_ERR_LIB        ERR_LIB_ASN1
72 #endif 
73
74 #define ASN1_MAC_H_err(f,r,line) \
75         ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),ERR_file_name,(line))
76
77 #define M_ASN1_D2I_vars(a,type,func) \
78         ASN1_CTX c; \
79         type ret=NULL; \
80         \
81         c.pp=pp; \
82         c.q= *pp; \
83         c.error=ERR_R_NESTED_ASN1_ERROR; \
84         if ((a == NULL) || ((*a) == NULL)) \
85                 { if ((ret=(type)func()) == NULL) \
86                         { c.line=__LINE__; goto err; } } \
87         else    ret=(*a);
88
89 #define M_ASN1_D2I_Init() \
90         c.p= *pp; \
91         c.max=(length == 0)?0:(c.p+length);
92
93 #define M_ASN1_D2I_Finish_2(a) \
94         if (!asn1_Finish(&c)) \
95                 { c.line=__LINE__; goto err; } \
96         *pp=c.p; \
97         if (a != NULL) (*a)=ret; \
98         return(ret);
99
100 #define M_ASN1_D2I_Finish(a,func,e) \
101         M_ASN1_D2I_Finish_2(a); \
102 err:\
103         ASN1_MAC_H_err((e),c.error,c.line); \
104         asn1_add_error(*pp,(int)(c.q- *pp)); \
105         if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
106         return(NULL)
107
108 #define M_ASN1_D2I_start_sequence() \
109         if (!asn1_GetSequence(&c,&length)) \
110                 { c.line=__LINE__; goto err; }
111
112 #define M_ASN1_D2I_end_sequence() \
113         (((c.inf&1) == 0)?(c.slen <= 0): \
114                 (c.eos=ASN1_check_infinite_end(&c.p,c.slen)))
115
116 /* Don't use this with d2i_ASN1_BOOLEAN() */
117 #define M_ASN1_D2I_get(b,func) \
118         c.q=c.p; \
119         if (func(&(b),&c.p,c.slen) == NULL) \
120                 {c.line=__LINE__; goto err; } \
121         c.slen-=(c.p-c.q);
122
123 /* use this instead () */
124 #define M_ASN1_D2I_get_int(b,func) \
125         c.q=c.p; \
126         if (func(&(b),&c.p,c.slen) < 0) \
127                 {c.line=__LINE__; goto err; } \
128         c.slen-=(c.p-c.q);
129
130 #define M_ASN1_D2I_get_opt(b,func,type) \
131         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
132                 == (V_ASN1_UNIVERSAL|(type)))) \
133                 { \
134                 M_ASN1_D2I_get(b,func); \
135                 }
136
137 #define M_ASN1_D2I_get_imp(b,func, type) \
138         M_ASN1_next=(_tmp& V_ASN1_CONSTRUCTED)|type; \
139         c.q=c.p; \
140         if (func(&(b),&c.p,c.slen) == NULL) \
141                 {c.line=__LINE__; M_ASN1_next_prev = _tmp; goto err; } \
142         c.slen-=(c.p-c.q);\
143         M_ASN1_next_prev=_tmp;
144
145 #define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
146         if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
147                 (V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
148                 { \
149                 unsigned char _tmp = M_ASN1_next; \
150                 M_ASN1_D2I_get_imp(b,func, type);\
151                 }
152
153 #define M_ASN1_D2I_get_set(r,func,free_func) \
154                 M_ASN1_D2I_get_imp_set(r,func,free_func, \
155                         V_ASN1_SET,V_ASN1_UNIVERSAL);
156
157 #define M_ASN1_D2I_get_set_opt(r,func,free_func) \
158         if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
159                 V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
160                 { M_ASN1_D2I_get_set(r,func,free_func); }
161
162 #define M_ASN1_I2D_len_SET_opt(a,f) \
163         if ((a != NULL) && (sk_num(a) != 0)) \
164                 M_ASN1_I2D_len_SET(a,f);
165
166 #define M_ASN1_I2D_put_SET_opt(a,f) \
167         if ((a != NULL) && (sk_num(a) != 0)) \
168                 M_ASN1_I2D_put_SET(a,f);
169
170 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
171         if ((a != NULL) && (sk_num(a) != 0)) \
172                 M_ASN1_I2D_put_SEQUENCE(a,f);
173
174 #define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
175         if ((c.slen != 0) && \
176                 (M_ASN1_next == \
177                 (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
178                 { \
179                 M_ASN1_D2I_get_imp_set(b,func,free_func,\
180                         tag,V_ASN1_CONTEXT_SPECIFIC); \
181                 }
182
183 #define M_ASN1_D2I_get_IMP_set_opt_type(type,b,func,free_func,tag) \
184         if ((c.slen != 0) && \
185                 (M_ASN1_next == \
186                 (V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
187                 { \
188                 M_ASN1_D2I_get_imp_set_type(type,b,func,free_func,\
189                         tag,V_ASN1_CONTEXT_SPECIFIC); \
190                 }
191
192 #define M_ASN1_D2I_get_seq(r,func,free_func) \
193                 M_ASN1_D2I_get_imp_set(r,func,free_func,\
194                         V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
195
196 #define M_ASN1_D2I_get_seq_type(type,r,func,free_func) \
197                 M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
198                                             V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
199
200 #define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
201         if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
202                 V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
203                 { M_ASN1_D2I_get_seq(r,func,free_func); }
204
205 #define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
206                 M_ASN1_D2I_get_imp_set(r,func,free_func,\
207                         x,V_ASN1_CONTEXT_SPECIFIC);
208
209 #define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
210         c.q=c.p; \
211         if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,\
212                 (void (*)())free_func,a,b) == NULL) \
213                 { c.line=__LINE__; goto err; } \
214         c.slen-=(c.p-c.q);
215
216 #define M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,a,b) \
217         c.q=c.p; \
218         if (d2i_ASN1_SET_OF_##type(&(r),&c.p,c.slen,func,\
219                                    free_func,a,b) == NULL) \
220                 { c.line=__LINE__; goto err; } \
221         c.slen-=(c.p-c.q);
222
223 #define M_ASN1_D2I_get_set_strings(r,func,a,b) \
224         c.q=c.p; \
225         if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
226                 { c.line=__LINE__; goto err; } \
227         c.slen-=(c.p-c.q);
228
229 #define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
230         if ((c.slen != 0L) && (M_ASN1_next == \
231                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
232                 { \
233                 int Tinf,Ttag,Tclass; \
234                 long Tlen; \
235                 \
236                 c.q=c.p; \
237                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
238                 if (Tinf & 0x80) \
239                         { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
240                         c.line=__LINE__; goto err; } \
241                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
242                                         Tlen = c.slen - (c.p - c.q) - 2; \
243                 if (func(&(r),&c.p,Tlen) == NULL) \
244                         { c.line=__LINE__; goto err; } \
245                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
246                         Tlen = c.slen - (c.p - c.q); \
247                         if(!ASN1_check_infinite_end(&c.p, Tlen)) \
248                                 { c.error=ERR_R_MISSING_ASN1_EOS; \
249                                 c.line=__LINE__; goto err; } \
250                 }\
251                 c.slen-=(c.p-c.q); \
252                 }
253
254 #define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
255         if ((c.slen != 0) && (M_ASN1_next == \
256                 (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
257                 { \
258                 int Tinf,Ttag,Tclass; \
259                 long Tlen; \
260                 \
261                 c.q=c.p; \
262                 Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
263                 if (Tinf & 0x80) \
264                         { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
265                         c.line=__LINE__; goto err; } \
266                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
267                                         Tlen = c.slen - (c.p - c.q) - 2; \
268                 if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
269                         (void (*)())free_func, \
270                         b,V_ASN1_UNIVERSAL) == NULL) \
271                         { c.line=__LINE__; goto err; } \
272                 if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
273                         Tlen = c.slen - (c.p - c.q); \
274                         if(!ASN1_check_infinite_end(&c.p, Tlen)) \
275                                 { c.error=ERR_R_MISSING_ASN1_EOS; \
276                                 c.line=__LINE__; goto err; } \
277                 }\
278                 c.slen-=(c.p-c.q); \
279                 }
280
281 /* New macros */
282 #define M_ASN1_New_Malloc(ret,type) \
283         if ((ret=(type *)Malloc(sizeof(type))) == NULL) \
284                 { c.line=__LINE__; goto err2; }
285
286 #define M_ASN1_New(arg,func) \
287         if (((arg)=func()) == NULL) return(NULL)
288
289 #define M_ASN1_New_Error(a) \
290 /*      err:    ASN1_MAC_H_err((a),ERR_R_NESTED_ASN1_ERROR,c.line); \
291                 return(NULL);*/ \
292         err2:   ASN1_MAC_H_err((a),ERR_R_MALLOC_FAILURE,c.line); \
293                 return(NULL)
294
295
296 #define M_ASN1_next             (*c.p)
297 #define M_ASN1_next_prev        (*c.q)
298
299 /*************************************************/
300
301 #define M_ASN1_I2D_vars(a)      int r=0,ret=0; \
302                                 unsigned char *p; \
303                                 if (a == NULL) return(0)
304
305 /* Length Macros */
306 #define M_ASN1_I2D_len(a,f)     ret+=f(a,NULL)
307 #define M_ASN1_I2D_len_IMP_opt(a,f)     if (a != NULL) M_ASN1_I2D_len(a,f)
308
309 #define M_ASN1_I2D_len_SET(a,f) \
310                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
311
312 #define M_ASN1_I2D_len_SEQUENCE(a,f) \
313                 ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
314                                   IS_SEQUENCE);
315
316 #define M_ASN1_I2D_len_SEQUENCE_type(type,a,f) \
317                 ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SEQUENCE, \
318                                             V_ASN1_UNIVERSAL,IS_SEQUENCE)
319
320 #define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
321                 if ((a != NULL) && (sk_num(a) != 0)) \
322                         M_ASN1_I2D_len_SEQUENCE(a,f);
323
324 #define M_ASN1_I2D_len_IMP_SET(a,f,x) \
325                 ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);
326
327 #define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
328                 if ((a != NULL) && (sk_num(a) != 0)) \
329                         ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
330                                           IS_SET);
331
332 #define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
333                 ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
334                                   IS_SEQUENCE);
335
336 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
337                 if ((a != NULL) && (sk_num(a) != 0)) \
338                         ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
339                                           IS_SEQUENCE);
340
341 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(type,a,f,x) \
342                 if ((a != NULL) && (sk_##type##_num(a) != 0)) \
343                         ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
344                                                     V_ASN1_CONTEXT_SPECIFIC, \
345                                                     IS_SEQUENCE);
346
347 #define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
348                 if (a != NULL)\
349                         { \
350                         v=f(a,NULL); \
351                         ret+=ASN1_object_size(1,v,mtag); \
352                         }
353
354 #define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
355                 if ((a != NULL) && (sk_num(a) != 0))\
356                         { \
357                         v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
358                         ret+=ASN1_object_size(1,v,mtag); \
359                         }
360
361 #define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
362                 if ((a != NULL) && (sk_num(a) != 0))\
363                         { \
364                         v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
365                                        IS_SEQUENCE); \
366                         ret+=ASN1_object_size(1,v,mtag); \
367                         }
368
369 /* Put Macros */
370 #define M_ASN1_I2D_put(a,f)     f(a,&p)
371
372 #define M_ASN1_I2D_put_IMP_opt(a,f,t)   \
373                 if (a != NULL) \
374                         { \
375                         unsigned char *q=p; \
376                         f(a,&p); \
377                         *q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
378                         }
379
380 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
381                         V_ASN1_UNIVERSAL,IS_SET)
382 #define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
383                         V_ASN1_CONTEXT_SPECIFIC,IS_SET)
384 #define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
385                         V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)
386
387 #define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
388                                              V_ASN1_UNIVERSAL,IS_SEQUENCE)
389
390 #define M_ASN1_I2D_put_SEQUENCE_type(type,a,f) \
391      i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
392                             IS_SEQUENCE)
393
394 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
395                 if ((a != NULL) && (sk_num(a) != 0)) \
396                         M_ASN1_I2D_put_SEQUENCE(a,f);
397
398 #define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
399                 if ((a != NULL) && (sk_num(a) != 0)) \
400                         { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
401                                        IS_SET); }
402
403 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
404                 if ((a != NULL) && (sk_num(a) != 0)) \
405                         { i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
406                                        IS_SEQUENCE); }
407
408 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(type,a,f,x) \
409                 if ((a != NULL) && (sk_##type##_num(a) != 0)) \
410                         { i2d_ASN1_SET_OF_##type(a,&p,f,x, \
411                                                  V_ASN1_CONTEXT_SPECIFIC, \
412                                                  IS_SEQUENCE); }
413
414 #define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
415                 if (a != NULL) \
416                         { \
417                         ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
418                         f(a,&p); \
419                         }
420
421 #define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
422                 if ((a != NULL) && (sk_num(a) != 0)) \
423                         { \
424                         ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
425                         i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
426                         }
427
428 #define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
429                 if ((a != NULL) && (sk_num(a) != 0)) \
430                         { \
431                         ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
432                         i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
433                         }
434
435 #define M_ASN1_I2D_seq_total() \
436                 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
437                 if (pp == NULL) return(r); \
438                 p= *pp; \
439                 ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
440
441 #define M_ASN1_I2D_INF_seq_start(tag,ctx) \
442                 *(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
443                 *(p++)=0x80
444
445 #define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00
446
447 #define M_ASN1_I2D_finish()     *pp=p; \
448                                 return(r);
449
450 int asn1_GetSequence(ASN1_CTX *c, long *length);
451 void asn1_add_error(unsigned char *address,int offset);
452 #ifdef  __cplusplus
453 }
454 #endif
455
456 #endif