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1/*
2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#ifndef HEADER_ASN1_H
11# define HEADER_ASN1_H
12
13# include <time.h>
14# include <openssl/e_os2.h>
15# include <openssl/opensslconf.h>
16# include <openssl/bio.h>
17# include <openssl/safestack.h>
18# include <openssl/asn1err.h>
19# include <openssl/symhacks.h>
20
21# include <openssl/ossl_typ.h>
22# if OPENSSL_API_COMPAT < 0x10100000L
23# include <openssl/bn.h>
24# endif
25
26# ifdef OPENSSL_BUILD_SHLIBCRYPTO
27# undef OPENSSL_EXTERN
28# define OPENSSL_EXTERN OPENSSL_EXPORT
29# endif
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35# define V_ASN1_UNIVERSAL 0x00
36# define V_ASN1_APPLICATION 0x40
37# define V_ASN1_CONTEXT_SPECIFIC 0x80
38# define V_ASN1_PRIVATE 0xc0
39
40# define V_ASN1_CONSTRUCTED 0x20
41# define V_ASN1_PRIMITIVE_TAG 0x1f
42# define V_ASN1_PRIMATIVE_TAG /*compat*/ V_ASN1_PRIMITIVE_TAG
43
44# define V_ASN1_APP_CHOOSE -2/* let the recipient choose */
45# define V_ASN1_OTHER -3/* used in ASN1_TYPE */
46# define V_ASN1_ANY -4/* used in ASN1 template code */
47
48# define V_ASN1_UNDEF -1
49/* ASN.1 tag values */
50# define V_ASN1_EOC 0
51# define V_ASN1_BOOLEAN 1 /**/
52# define V_ASN1_INTEGER 2
53# define V_ASN1_BIT_STRING 3
54# define V_ASN1_OCTET_STRING 4
55# define V_ASN1_NULL 5
56# define V_ASN1_OBJECT 6
57# define V_ASN1_OBJECT_DESCRIPTOR 7
58# define V_ASN1_EXTERNAL 8
59# define V_ASN1_REAL 9
60# define V_ASN1_ENUMERATED 10
61# define V_ASN1_UTF8STRING 12
62# define V_ASN1_SEQUENCE 16
63# define V_ASN1_SET 17
64# define V_ASN1_NUMERICSTRING 18 /**/
65# define V_ASN1_PRINTABLESTRING 19
66# define V_ASN1_T61STRING 20
67# define V_ASN1_TELETEXSTRING 20/* alias */
68# define V_ASN1_VIDEOTEXSTRING 21 /**/
69# define V_ASN1_IA5STRING 22
70# define V_ASN1_UTCTIME 23
71# define V_ASN1_GENERALIZEDTIME 24 /**/
72# define V_ASN1_GRAPHICSTRING 25 /**/
73# define V_ASN1_ISO64STRING 26 /**/
74# define V_ASN1_VISIBLESTRING 26/* alias */
75# define V_ASN1_GENERALSTRING 27 /**/
76# define V_ASN1_UNIVERSALSTRING 28 /**/
77# define V_ASN1_BMPSTRING 30
78
79/*
80 * NB the constants below are used internally by ASN1_INTEGER
81 * and ASN1_ENUMERATED to indicate the sign. They are *not* on
82 * the wire tag values.
83 */
84
85# define V_ASN1_NEG 0x100
86# define V_ASN1_NEG_INTEGER (2 | V_ASN1_NEG)
87# define V_ASN1_NEG_ENUMERATED (10 | V_ASN1_NEG)
88
89/* For use with d2i_ASN1_type_bytes() */
90# define B_ASN1_NUMERICSTRING 0x0001
91# define B_ASN1_PRINTABLESTRING 0x0002
92# define B_ASN1_T61STRING 0x0004
93# define B_ASN1_TELETEXSTRING 0x0004
94# define B_ASN1_VIDEOTEXSTRING 0x0008
95# define B_ASN1_IA5STRING 0x0010
96# define B_ASN1_GRAPHICSTRING 0x0020
97# define B_ASN1_ISO64STRING 0x0040
98# define B_ASN1_VISIBLESTRING 0x0040
99# define B_ASN1_GENERALSTRING 0x0080
100# define B_ASN1_UNIVERSALSTRING 0x0100
101# define B_ASN1_OCTET_STRING 0x0200
102# define B_ASN1_BIT_STRING 0x0400
103# define B_ASN1_BMPSTRING 0x0800
104# define B_ASN1_UNKNOWN 0x1000
105# define B_ASN1_UTF8STRING 0x2000
106# define B_ASN1_UTCTIME 0x4000
107# define B_ASN1_GENERALIZEDTIME 0x8000
108# define B_ASN1_SEQUENCE 0x10000
109/* For use with ASN1_mbstring_copy() */
110# define MBSTRING_FLAG 0x1000
111# define MBSTRING_UTF8 (MBSTRING_FLAG)
112# define MBSTRING_ASC (MBSTRING_FLAG|1)
113# define MBSTRING_BMP (MBSTRING_FLAG|2)
114# define MBSTRING_UNIV (MBSTRING_FLAG|4)
115# define SMIME_OLDMIME 0x400
116# define SMIME_CRLFEOL 0x800
117# define SMIME_STREAM 0x1000
118 struct X509_algor_st;
119DEFINE_STACK_OF(X509_ALGOR)
120
121# define ASN1_STRING_FLAG_BITS_LEFT 0x08/* Set if 0x07 has bits left value */
122/*
123 * This indicates that the ASN1_STRING is not a real value but just a place
124 * holder for the location where indefinite length constructed data should be
125 * inserted in the memory buffer
126 */
127# define ASN1_STRING_FLAG_NDEF 0x010
128
129/*
130 * This flag is used by the CMS code to indicate that a string is not
131 * complete and is a place holder for content when it had all been accessed.
132 * The flag will be reset when content has been written to it.
133 */
134
135# define ASN1_STRING_FLAG_CONT 0x020
136/*
137 * This flag is used by ASN1 code to indicate an ASN1_STRING is an MSTRING
138 * type.
139 */
140# define ASN1_STRING_FLAG_MSTRING 0x040
141/* String is embedded and only content should be freed */
142# define ASN1_STRING_FLAG_EMBED 0x080
143/* String should be parsed in RFC 5280's time format */
144# define ASN1_STRING_FLAG_X509_TIME 0x100
145/* This is the base type that holds just about everything :-) */
146struct asn1_string_st {
147 int length;
148 int type;
149 unsigned char *data;
150 /*
151 * The value of the following field depends on the type being held. It
152 * is mostly being used for BIT_STRING so if the input data has a
153 * non-zero 'unused bits' value, it will be handled correctly
154 */
155 long flags;
156};
157
158/*
159 * ASN1_ENCODING structure: this is used to save the received encoding of an
160 * ASN1 type. This is useful to get round problems with invalid encodings
161 * which can break signatures.
162 */
163
164typedef struct ASN1_ENCODING_st {
165 unsigned char *enc; /* DER encoding */
166 long len; /* Length of encoding */
167 int modified; /* set to 1 if 'enc' is invalid */
168} ASN1_ENCODING;
169
170/* Used with ASN1 LONG type: if a long is set to this it is omitted */
171# define ASN1_LONG_UNDEF 0x7fffffffL
172
173# define STABLE_FLAGS_MALLOC 0x01
174/*
175 * A zero passed to ASN1_STRING_TABLE_new_add for the flags is interpreted
176 * as "don't change" and STABLE_FLAGS_MALLOC is always set. By setting
177 * STABLE_FLAGS_MALLOC only we can clear the existing value. Use the alias
178 * STABLE_FLAGS_CLEAR to reflect this.
179 */
180# define STABLE_FLAGS_CLEAR STABLE_FLAGS_MALLOC
181# define STABLE_NO_MASK 0x02
182# define DIRSTRING_TYPE \
183 (B_ASN1_PRINTABLESTRING|B_ASN1_T61STRING|B_ASN1_BMPSTRING|B_ASN1_UTF8STRING)
184# define PKCS9STRING_TYPE (DIRSTRING_TYPE|B_ASN1_IA5STRING)
185
186typedef struct asn1_string_table_st {
187 int nid;
188 long minsize;
189 long maxsize;
190 unsigned long mask;
191 unsigned long flags;
192} ASN1_STRING_TABLE;
193
194DEFINE_STACK_OF(ASN1_STRING_TABLE)
195
196/* size limits: this stuff is taken straight from RFC2459 */
197
198# define ub_name 32768
199# define ub_common_name 64
200# define ub_locality_name 128
201# define ub_state_name 128
202# define ub_organization_name 64
203# define ub_organization_unit_name 64
204# define ub_title 64
205# define ub_email_address 128
206
207/*
208 * Declarations for template structures: for full definitions see asn1t.h
209 */
210typedef struct ASN1_TEMPLATE_st ASN1_TEMPLATE;
211typedef struct ASN1_TLC_st ASN1_TLC;
212/* This is just an opaque pointer */
213typedef struct ASN1_VALUE_st ASN1_VALUE;
214
215/* Declare ASN1 functions: the implement macro in in asn1t.h */
216
217# define DECLARE_ASN1_FUNCTIONS(type) DECLARE_ASN1_FUNCTIONS_name(type, type)
218
219# define DECLARE_ASN1_ALLOC_FUNCTIONS(type) \
220 DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, type)
221
222# define DECLARE_ASN1_FUNCTIONS_name(type, name) \
223 DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
224 DECLARE_ASN1_ENCODE_FUNCTIONS(type, name, name)
225
226# define DECLARE_ASN1_FUNCTIONS_fname(type, itname, name) \
227 DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
228 DECLARE_ASN1_ENCODE_FUNCTIONS(type, itname, name)
229
230# define DECLARE_ASN1_ENCODE_FUNCTIONS(type, itname, name) \
231 type *d2i_##name(type **a, const unsigned char **in, long len); \
232 int i2d_##name(type *a, unsigned char **out); \
233 DECLARE_ASN1_ITEM(itname)
234
235# define DECLARE_ASN1_ENCODE_FUNCTIONS_const(type, name) \
236 type *d2i_##name(type **a, const unsigned char **in, long len); \
237 int i2d_##name(const type *a, unsigned char **out); \
238 DECLARE_ASN1_ITEM(name)
239
240# define DECLARE_ASN1_NDEF_FUNCTION(name) \
241 int i2d_##name##_NDEF(name *a, unsigned char **out);
242
243# define DECLARE_ASN1_FUNCTIONS_const(name) \
244 DECLARE_ASN1_ALLOC_FUNCTIONS(name) \
245 DECLARE_ASN1_ENCODE_FUNCTIONS_const(name, name)
246
247# define DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
248 type *name##_new(void); \
249 void name##_free(type *a);
250
251# define DECLARE_ASN1_PRINT_FUNCTION(stname) \
252 DECLARE_ASN1_PRINT_FUNCTION_fname(stname, stname)
253
254# define DECLARE_ASN1_PRINT_FUNCTION_fname(stname, fname) \
255 int fname##_print_ctx(BIO *out, stname *x, int indent, \
256 const ASN1_PCTX *pctx);
257
258# define D2I_OF(type) type *(*)(type **,const unsigned char **,long)
259# define I2D_OF(type) int (*)(type *,unsigned char **)
260# define I2D_OF_const(type) int (*)(const type *,unsigned char **)
261
262# define CHECKED_D2I_OF(type, d2i) \
263 ((d2i_of_void*) (1 ? d2i : ((D2I_OF(type))0)))
264# define CHECKED_I2D_OF(type, i2d) \
265 ((i2d_of_void*) (1 ? i2d : ((I2D_OF(type))0)))
266# define CHECKED_NEW_OF(type, xnew) \
267 ((void *(*)(void)) (1 ? xnew : ((type *(*)(void))0)))
268# define CHECKED_PTR_OF(type, p) \
269 ((void*) (1 ? p : (type*)0))
270# define CHECKED_PPTR_OF(type, p) \
271 ((void**) (1 ? p : (type**)0))
272
273# define TYPEDEF_D2I_OF(type) typedef type *d2i_of_##type(type **,const unsigned char **,long)
274# define TYPEDEF_I2D_OF(type) typedef int i2d_of_##type(type *,unsigned char **)
275# define TYPEDEF_D2I2D_OF(type) TYPEDEF_D2I_OF(type); TYPEDEF_I2D_OF(type)
276
277TYPEDEF_D2I2D_OF(void);
278
279/*-
280 * The following macros and typedefs allow an ASN1_ITEM
281 * to be embedded in a structure and referenced. Since
282 * the ASN1_ITEM pointers need to be globally accessible
283 * (possibly from shared libraries) they may exist in
284 * different forms. On platforms that support it the
285 * ASN1_ITEM structure itself will be globally exported.
286 * Other platforms will export a function that returns
287 * an ASN1_ITEM pointer.
288 *
289 * To handle both cases transparently the macros below
290 * should be used instead of hard coding an ASN1_ITEM
291 * pointer in a structure.
292 *
293 * The structure will look like this:
294 *
295 * typedef struct SOMETHING_st {
296 * ...
297 * ASN1_ITEM_EXP *iptr;
298 * ...
299 * } SOMETHING;
300 *
301 * It would be initialised as e.g.:
302 *
303 * SOMETHING somevar = {...,ASN1_ITEM_ref(X509),...};
304 *
305 * and the actual pointer extracted with:
306 *
307 * const ASN1_ITEM *it = ASN1_ITEM_ptr(somevar.iptr);
308 *
309 * Finally an ASN1_ITEM pointer can be extracted from an
310 * appropriate reference with: ASN1_ITEM_rptr(X509). This
311 * would be used when a function takes an ASN1_ITEM * argument.
312 *
313 */
314
315# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
316
317/* ASN1_ITEM pointer exported type */
318typedef const ASN1_ITEM ASN1_ITEM_EXP;
319
320/* Macro to obtain ASN1_ITEM pointer from exported type */
321# define ASN1_ITEM_ptr(iptr) (iptr)
322
323/* Macro to include ASN1_ITEM pointer from base type */
324# define ASN1_ITEM_ref(iptr) (&(iptr##_it))
325
326# define ASN1_ITEM_rptr(ref) (&(ref##_it))
327
328# define DECLARE_ASN1_ITEM(name) \
329 OPENSSL_EXTERN const ASN1_ITEM name##_it;
330
331# else
332
333/*
334 * Platforms that can't easily handle shared global variables are declared as
335 * functions returning ASN1_ITEM pointers.
336 */
337
338/* ASN1_ITEM pointer exported type */
339typedef const ASN1_ITEM *ASN1_ITEM_EXP (void);
340
341/* Macro to obtain ASN1_ITEM pointer from exported type */
342# define ASN1_ITEM_ptr(iptr) (iptr())
343
344/* Macro to include ASN1_ITEM pointer from base type */
345# define ASN1_ITEM_ref(iptr) (iptr##_it)
346
347# define ASN1_ITEM_rptr(ref) (ref##_it())
348
349# define DECLARE_ASN1_ITEM(name) \
350 const ASN1_ITEM * name##_it(void);
351
352# endif
353
354/* Parameters used by ASN1_STRING_print_ex() */
355
356/*
357 * These determine which characters to escape: RFC2253 special characters,
358 * control characters and MSB set characters
359 */
360
361# define ASN1_STRFLGS_ESC_2253 1
362# define ASN1_STRFLGS_ESC_CTRL 2
363# define ASN1_STRFLGS_ESC_MSB 4
364
365/*
366 * This flag determines how we do escaping: normally RC2253 backslash only,
367 * set this to use backslash and quote.
368 */
369
370# define ASN1_STRFLGS_ESC_QUOTE 8
371
372/* These three flags are internal use only. */
373
374/* Character is a valid PrintableString character */
375# define CHARTYPE_PRINTABLESTRING 0x10
376/* Character needs escaping if it is the first character */
377# define CHARTYPE_FIRST_ESC_2253 0x20
378/* Character needs escaping if it is the last character */
379# define CHARTYPE_LAST_ESC_2253 0x40
380
381/*
382 * NB the internal flags are safely reused below by flags handled at the top
383 * level.
384 */
385
386/*
387 * If this is set we convert all character strings to UTF8 first
388 */
389
390# define ASN1_STRFLGS_UTF8_CONVERT 0x10
391
392/*
393 * If this is set we don't attempt to interpret content: just assume all
394 * strings are 1 byte per character. This will produce some pretty odd
395 * looking output!
396 */
397
398# define ASN1_STRFLGS_IGNORE_TYPE 0x20
399
400/* If this is set we include the string type in the output */
401# define ASN1_STRFLGS_SHOW_TYPE 0x40
402
403/*
404 * This determines which strings to display and which to 'dump' (hex dump of
405 * content octets or DER encoding). We can only dump non character strings or
406 * everything. If we don't dump 'unknown' they are interpreted as character
407 * strings with 1 octet per character and are subject to the usual escaping
408 * options.
409 */
410
411# define ASN1_STRFLGS_DUMP_ALL 0x80
412# define ASN1_STRFLGS_DUMP_UNKNOWN 0x100
413
414/*
415 * These determine what 'dumping' does, we can dump the content octets or the
416 * DER encoding: both use the RFC2253 #XXXXX notation.
417 */
418
419# define ASN1_STRFLGS_DUMP_DER 0x200
420
421/*
422 * This flag specifies that RC2254 escaping shall be performed.
423 */
424#define ASN1_STRFLGS_ESC_2254 0x400
425
426/*
427 * All the string flags consistent with RFC2253, escaping control characters
428 * isn't essential in RFC2253 but it is advisable anyway.
429 */
430
431# define ASN1_STRFLGS_RFC2253 (ASN1_STRFLGS_ESC_2253 | \
432 ASN1_STRFLGS_ESC_CTRL | \
433 ASN1_STRFLGS_ESC_MSB | \
434 ASN1_STRFLGS_UTF8_CONVERT | \
435 ASN1_STRFLGS_DUMP_UNKNOWN | \
436 ASN1_STRFLGS_DUMP_DER)
437
438DEFINE_STACK_OF(ASN1_INTEGER)
439
440DEFINE_STACK_OF(ASN1_GENERALSTRING)
441
442DEFINE_STACK_OF(ASN1_UTF8STRING)
443
444typedef struct asn1_type_st {
445 int type;
446 union {
447 char *ptr;
448 ASN1_BOOLEAN boolean;
449 ASN1_STRING *asn1_string;
450 ASN1_OBJECT *object;
451 ASN1_INTEGER *integer;
452 ASN1_ENUMERATED *enumerated;
453 ASN1_BIT_STRING *bit_string;
454 ASN1_OCTET_STRING *octet_string;
455 ASN1_PRINTABLESTRING *printablestring;
456 ASN1_T61STRING *t61string;
457 ASN1_IA5STRING *ia5string;
458 ASN1_GENERALSTRING *generalstring;
459 ASN1_BMPSTRING *bmpstring;
460 ASN1_UNIVERSALSTRING *universalstring;
461 ASN1_UTCTIME *utctime;
462 ASN1_GENERALIZEDTIME *generalizedtime;
463 ASN1_VISIBLESTRING *visiblestring;
464 ASN1_UTF8STRING *utf8string;
465 /*
466 * set and sequence are left complete and still contain the set or
467 * sequence bytes
468 */
469 ASN1_STRING *set;
470 ASN1_STRING *sequence;
471 ASN1_VALUE *asn1_value;
472 } value;
473} ASN1_TYPE;
474
475DEFINE_STACK_OF(ASN1_TYPE)
476
477typedef STACK_OF(ASN1_TYPE) ASN1_SEQUENCE_ANY;
478
479DECLARE_ASN1_ENCODE_FUNCTIONS_const(ASN1_SEQUENCE_ANY, ASN1_SEQUENCE_ANY)
480DECLARE_ASN1_ENCODE_FUNCTIONS_const(ASN1_SEQUENCE_ANY, ASN1_SET_ANY)
481
482/* This is used to contain a list of bit names */
483typedef struct BIT_STRING_BITNAME_st {
484 int bitnum;
485 const char *lname;
486 const char *sname;
487} BIT_STRING_BITNAME;
488
489# define B_ASN1_TIME \
490 B_ASN1_UTCTIME | \
491 B_ASN1_GENERALIZEDTIME
492
493# define B_ASN1_PRINTABLE \
494 B_ASN1_NUMERICSTRING| \
495 B_ASN1_PRINTABLESTRING| \
496 B_ASN1_T61STRING| \
497 B_ASN1_IA5STRING| \
498 B_ASN1_BIT_STRING| \
499 B_ASN1_UNIVERSALSTRING|\
500 B_ASN1_BMPSTRING|\
501 B_ASN1_UTF8STRING|\
502 B_ASN1_SEQUENCE|\
503 B_ASN1_UNKNOWN
504
505# define B_ASN1_DIRECTORYSTRING \
506 B_ASN1_PRINTABLESTRING| \
507 B_ASN1_TELETEXSTRING|\
508 B_ASN1_BMPSTRING|\
509 B_ASN1_UNIVERSALSTRING|\
510 B_ASN1_UTF8STRING
511
512# define B_ASN1_DISPLAYTEXT \
513 B_ASN1_IA5STRING| \
514 B_ASN1_VISIBLESTRING| \
515 B_ASN1_BMPSTRING|\
516 B_ASN1_UTF8STRING
517
518DECLARE_ASN1_FUNCTIONS_fname(ASN1_TYPE, ASN1_ANY, ASN1_TYPE)
519
520int ASN1_TYPE_get(const ASN1_TYPE *a);
521void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value);
522int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value);
523int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b);
524
525ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, ASN1_TYPE **t);
526void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t);
527
528ASN1_OBJECT *ASN1_OBJECT_new(void);
529void ASN1_OBJECT_free(ASN1_OBJECT *a);
530int i2d_ASN1_OBJECT(const ASN1_OBJECT *a, unsigned char **pp);
531ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
532 long length);
533
534DECLARE_ASN1_ITEM(ASN1_OBJECT)
535
536DEFINE_STACK_OF(ASN1_OBJECT)
537
538ASN1_STRING *ASN1_STRING_new(void);
539void ASN1_STRING_free(ASN1_STRING *a);
540void ASN1_STRING_clear_free(ASN1_STRING *a);
541int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str);
542ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *a);
543ASN1_STRING *ASN1_STRING_type_new(int type);
544int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b);
545 /*
546 * Since this is used to store all sorts of things, via macros, for now,
547 * make its data void *
548 */
549int ASN1_STRING_set(ASN1_STRING *str, const void *data, int len);
550void ASN1_STRING_set0(ASN1_STRING *str, void *data, int len);
551int ASN1_STRING_length(const ASN1_STRING *x);
552void ASN1_STRING_length_set(ASN1_STRING *x, int n);
553int ASN1_STRING_type(const ASN1_STRING *x);
554DEPRECATEDIN_1_1_0(unsigned char *ASN1_STRING_data(ASN1_STRING *x))
555const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *x);
556
557DECLARE_ASN1_FUNCTIONS(ASN1_BIT_STRING)
558int ASN1_BIT_STRING_set(ASN1_BIT_STRING *a, unsigned char *d, int length);
559int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value);
560int ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n);
561int ASN1_BIT_STRING_check(const ASN1_BIT_STRING *a,
562 const unsigned char *flags, int flags_len);
563
564int ASN1_BIT_STRING_name_print(BIO *out, ASN1_BIT_STRING *bs,
565 BIT_STRING_BITNAME *tbl, int indent);
566int ASN1_BIT_STRING_num_asc(const char *name, BIT_STRING_BITNAME *tbl);
567int ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING *bs, const char *name, int value,
568 BIT_STRING_BITNAME *tbl);
569
570DECLARE_ASN1_FUNCTIONS(ASN1_INTEGER)
571ASN1_INTEGER *d2i_ASN1_UINTEGER(ASN1_INTEGER **a, const unsigned char **pp,
572 long length);
573ASN1_INTEGER *ASN1_INTEGER_dup(const ASN1_INTEGER *x);
574int ASN1_INTEGER_cmp(const ASN1_INTEGER *x, const ASN1_INTEGER *y);
575
576DECLARE_ASN1_FUNCTIONS(ASN1_ENUMERATED)
577
578int ASN1_UTCTIME_check(const ASN1_UTCTIME *a);
579ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t);
580ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
581 int offset_day, long offset_sec);
582int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str);
583int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t);
584
585int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *a);
586ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
587 time_t t);
588ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
589 time_t t, int offset_day,
590 long offset_sec);
591int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str);
592
593int ASN1_TIME_diff(int *pday, int *psec,
594 const ASN1_TIME *from, const ASN1_TIME *to);
595
596DECLARE_ASN1_FUNCTIONS(ASN1_OCTET_STRING)
597ASN1_OCTET_STRING *ASN1_OCTET_STRING_dup(const ASN1_OCTET_STRING *a);
598int ASN1_OCTET_STRING_cmp(const ASN1_OCTET_STRING *a,
599 const ASN1_OCTET_STRING *b);
600int ASN1_OCTET_STRING_set(ASN1_OCTET_STRING *str, const unsigned char *data,
601 int len);
602
603DECLARE_ASN1_FUNCTIONS(ASN1_VISIBLESTRING)
604DECLARE_ASN1_FUNCTIONS(ASN1_UNIVERSALSTRING)
605DECLARE_ASN1_FUNCTIONS(ASN1_UTF8STRING)
606DECLARE_ASN1_FUNCTIONS(ASN1_NULL)
607DECLARE_ASN1_FUNCTIONS(ASN1_BMPSTRING)
608
609int UTF8_getc(const unsigned char *str, int len, unsigned long *val);
610int UTF8_putc(unsigned char *str, int len, unsigned long value);
611
612DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, ASN1_PRINTABLE)
613
614DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, DIRECTORYSTRING)
615DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, DISPLAYTEXT)
616DECLARE_ASN1_FUNCTIONS(ASN1_PRINTABLESTRING)
617DECLARE_ASN1_FUNCTIONS(ASN1_T61STRING)
618DECLARE_ASN1_FUNCTIONS(ASN1_IA5STRING)
619DECLARE_ASN1_FUNCTIONS(ASN1_GENERALSTRING)
620DECLARE_ASN1_FUNCTIONS(ASN1_UTCTIME)
621DECLARE_ASN1_FUNCTIONS(ASN1_GENERALIZEDTIME)
622DECLARE_ASN1_FUNCTIONS(ASN1_TIME)
623
624DECLARE_ASN1_ITEM(ASN1_OCTET_STRING_NDEF)
625
626ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t);
627ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t,
628 int offset_day, long offset_sec);
629int ASN1_TIME_check(const ASN1_TIME *t);
630ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(const ASN1_TIME *t,
631 ASN1_GENERALIZEDTIME **out);
632int ASN1_TIME_set_string(ASN1_TIME *s, const char *str);
633int ASN1_TIME_set_string_X509(ASN1_TIME *s, const char *str);
634int ASN1_TIME_to_tm(const ASN1_TIME *s, struct tm *tm);
635int ASN1_TIME_normalize(ASN1_TIME *s);
636int ASN1_TIME_cmp_time_t(const ASN1_TIME *s, time_t t);
637int ASN1_TIME_compare(const ASN1_TIME *a, const ASN1_TIME *b);
638
639int i2a_ASN1_INTEGER(BIO *bp, const ASN1_INTEGER *a);
640int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size);
641int i2a_ASN1_ENUMERATED(BIO *bp, const ASN1_ENUMERATED *a);
642int a2i_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *bs, char *buf, int size);
643int i2a_ASN1_OBJECT(BIO *bp, const ASN1_OBJECT *a);
644int a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size);
645int i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type);
646int i2t_ASN1_OBJECT(char *buf, int buf_len, const ASN1_OBJECT *a);
647
648int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num);
649ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len,
650 const char *sn, const char *ln);
651
652int ASN1_INTEGER_get_int64(int64_t *pr, const ASN1_INTEGER *a);
653int ASN1_INTEGER_set_int64(ASN1_INTEGER *a, int64_t r);
654int ASN1_INTEGER_get_uint64(uint64_t *pr, const ASN1_INTEGER *a);
655int ASN1_INTEGER_set_uint64(ASN1_INTEGER *a, uint64_t r);
656
657int ASN1_INTEGER_set(ASN1_INTEGER *a, long v);
658long ASN1_INTEGER_get(const ASN1_INTEGER *a);
659ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai);
660BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn);
661
662int ASN1_ENUMERATED_get_int64(int64_t *pr, const ASN1_ENUMERATED *a);
663int ASN1_ENUMERATED_set_int64(ASN1_ENUMERATED *a, int64_t r);
664
665
666int ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v);
667long ASN1_ENUMERATED_get(const ASN1_ENUMERATED *a);
668ASN1_ENUMERATED *BN_to_ASN1_ENUMERATED(const BIGNUM *bn, ASN1_ENUMERATED *ai);
669BIGNUM *ASN1_ENUMERATED_to_BN(const ASN1_ENUMERATED *ai, BIGNUM *bn);
670
671/* General */
672/* given a string, return the correct type, max is the maximum length */
673int ASN1_PRINTABLE_type(const unsigned char *s, int max);
674
675unsigned long ASN1_tag2bit(int tag);
676
677/* SPECIALS */
678int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,
679 int *pclass, long omax);
680int ASN1_check_infinite_end(unsigned char **p, long len);
681int ASN1_const_check_infinite_end(const unsigned char **p, long len);
682void ASN1_put_object(unsigned char **pp, int constructed, int length,
683 int tag, int xclass);
684int ASN1_put_eoc(unsigned char **pp);
685int ASN1_object_size(int constructed, int length, int tag);
686
687/* Used to implement other functions */
688void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x);
689
690# define ASN1_dup_of(type,i2d,d2i,x) \
691 ((type*)ASN1_dup(CHECKED_I2D_OF(type, i2d), \
692 CHECKED_D2I_OF(type, d2i), \
693 CHECKED_PTR_OF(type, x)))
694
695# define ASN1_dup_of_const(type,i2d,d2i,x) \
696 ((type*)ASN1_dup(CHECKED_I2D_OF(const type, i2d), \
697 CHECKED_D2I_OF(type, d2i), \
698 CHECKED_PTR_OF(const type, x)))
699
700void *ASN1_item_dup(const ASN1_ITEM *it, void *x);
701
702/* ASN1 alloc/free macros for when a type is only used internally */
703
704# define M_ASN1_new_of(type) (type *)ASN1_item_new(ASN1_ITEM_rptr(type))
705# define M_ASN1_free_of(x, type) \
706 ASN1_item_free(CHECKED_PTR_OF(type, x), ASN1_ITEM_rptr(type))
707
708# ifndef OPENSSL_NO_STDIO
709void *ASN1_d2i_fp(void *(*xnew) (void), d2i_of_void *d2i, FILE *in, void **x);
710
711# define ASN1_d2i_fp_of(type,xnew,d2i,in,x) \
712 ((type*)ASN1_d2i_fp(CHECKED_NEW_OF(type, xnew), \
713 CHECKED_D2I_OF(type, d2i), \
714 in, \
715 CHECKED_PPTR_OF(type, x)))
716
717void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x);
718int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x);
719
720# define ASN1_i2d_fp_of(type,i2d,out,x) \
721 (ASN1_i2d_fp(CHECKED_I2D_OF(type, i2d), \
722 out, \
723 CHECKED_PTR_OF(type, x)))
724
725# define ASN1_i2d_fp_of_const(type,i2d,out,x) \
726 (ASN1_i2d_fp(CHECKED_I2D_OF(const type, i2d), \
727 out, \
728 CHECKED_PTR_OF(const type, x)))
729
730int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x);
731int ASN1_STRING_print_ex_fp(FILE *fp, const ASN1_STRING *str, unsigned long flags);
732# endif
733
734int ASN1_STRING_to_UTF8(unsigned char **out, const ASN1_STRING *in);
735
736void *ASN1_d2i_bio(void *(*xnew) (void), d2i_of_void *d2i, BIO *in, void **x);
737
738# define ASN1_d2i_bio_of(type,xnew,d2i,in,x) \
739 ((type*)ASN1_d2i_bio( CHECKED_NEW_OF(type, xnew), \
740 CHECKED_D2I_OF(type, d2i), \
741 in, \
742 CHECKED_PPTR_OF(type, x)))
743
744void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x);
745int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x);
746
747# define ASN1_i2d_bio_of(type,i2d,out,x) \
748 (ASN1_i2d_bio(CHECKED_I2D_OF(type, i2d), \
749 out, \
750 CHECKED_PTR_OF(type, x)))
751
752# define ASN1_i2d_bio_of_const(type,i2d,out,x) \
753 (ASN1_i2d_bio(CHECKED_I2D_OF(const type, i2d), \
754 out, \
755 CHECKED_PTR_OF(const type, x)))
756
757int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x);
758int ASN1_UTCTIME_print(BIO *fp, const ASN1_UTCTIME *a);
759int ASN1_GENERALIZEDTIME_print(BIO *fp, const ASN1_GENERALIZEDTIME *a);
760int ASN1_TIME_print(BIO *fp, const ASN1_TIME *a);
761int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v);
762int ASN1_STRING_print_ex(BIO *out, const ASN1_STRING *str, unsigned long flags);
763int ASN1_buf_print(BIO *bp, const unsigned char *buf, size_t buflen, int off);
764int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
765 unsigned char *buf, int off);
766int ASN1_parse(BIO *bp, const unsigned char *pp, long len, int indent);
767int ASN1_parse_dump(BIO *bp, const unsigned char *pp, long len, int indent,
768 int dump);
769const char *ASN1_tag2str(int tag);
770
771/* Used to load and write Netscape format cert */
772
773int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s);
774
775int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len);
776int ASN1_TYPE_get_octetstring(const ASN1_TYPE *a, unsigned char *data, int max_len);
777int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num,
778 unsigned char *data, int len);
779int ASN1_TYPE_get_int_octetstring(const ASN1_TYPE *a, long *num,
780 unsigned char *data, int max_len);
781
782void *ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it);
783
784ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it,
785 ASN1_OCTET_STRING **oct);
786
787void ASN1_STRING_set_default_mask(unsigned long mask);
788int ASN1_STRING_set_default_mask_asc(const char *p);
789unsigned long ASN1_STRING_get_default_mask(void);
790int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len,
791 int inform, unsigned long mask);
792int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
793 int inform, unsigned long mask,
794 long minsize, long maxsize);
795
796ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out,
797 const unsigned char *in, int inlen,
798 int inform, int nid);
799ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid);
800int ASN1_STRING_TABLE_add(int, long, long, unsigned long, unsigned long);
801void ASN1_STRING_TABLE_cleanup(void);
802
803/* ASN1 template functions */
804
805/* Old API compatible functions */
806ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it);
807void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it);
808ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **val, const unsigned char **in,
809 long len, const ASN1_ITEM *it);
810int ASN1_item_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it);
811int ASN1_item_ndef_i2d(ASN1_VALUE *val, unsigned char **out,
812 const ASN1_ITEM *it);
813
814void ASN1_add_oid_module(void);
815void ASN1_add_stable_module(void);
816
817ASN1_TYPE *ASN1_generate_nconf(const char *str, CONF *nconf);
818ASN1_TYPE *ASN1_generate_v3(const char *str, X509V3_CTX *cnf);
819int ASN1_str2mask(const char *str, unsigned long *pmask);
820
821/* ASN1 Print flags */
822
823/* Indicate missing OPTIONAL fields */
824# define ASN1_PCTX_FLAGS_SHOW_ABSENT 0x001
825/* Mark start and end of SEQUENCE */
826# define ASN1_PCTX_FLAGS_SHOW_SEQUENCE 0x002
827/* Mark start and end of SEQUENCE/SET OF */
828# define ASN1_PCTX_FLAGS_SHOW_SSOF 0x004
829/* Show the ASN1 type of primitives */
830# define ASN1_PCTX_FLAGS_SHOW_TYPE 0x008
831/* Don't show ASN1 type of ANY */
832# define ASN1_PCTX_FLAGS_NO_ANY_TYPE 0x010
833/* Don't show ASN1 type of MSTRINGs */
834# define ASN1_PCTX_FLAGS_NO_MSTRING_TYPE 0x020
835/* Don't show field names in SEQUENCE */
836# define ASN1_PCTX_FLAGS_NO_FIELD_NAME 0x040
837/* Show structure names of each SEQUENCE field */
838# define ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME 0x080
839/* Don't show structure name even at top level */
840# define ASN1_PCTX_FLAGS_NO_STRUCT_NAME 0x100
841
842int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent,
843 const ASN1_ITEM *it, const ASN1_PCTX *pctx);
844ASN1_PCTX *ASN1_PCTX_new(void);
845void ASN1_PCTX_free(ASN1_PCTX *p);
846unsigned long ASN1_PCTX_get_flags(const ASN1_PCTX *p);
847void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags);
848unsigned long ASN1_PCTX_get_nm_flags(const ASN1_PCTX *p);
849void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags);
850unsigned long ASN1_PCTX_get_cert_flags(const ASN1_PCTX *p);
851void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags);
852unsigned long ASN1_PCTX_get_oid_flags(const ASN1_PCTX *p);
853void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags);
854unsigned long ASN1_PCTX_get_str_flags(const ASN1_PCTX *p);
855void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags);
856
857ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb) (ASN1_SCTX *ctx));
858void ASN1_SCTX_free(ASN1_SCTX *p);
859const ASN1_ITEM *ASN1_SCTX_get_item(ASN1_SCTX *p);
860const ASN1_TEMPLATE *ASN1_SCTX_get_template(ASN1_SCTX *p);
861unsigned long ASN1_SCTX_get_flags(ASN1_SCTX *p);
862void ASN1_SCTX_set_app_data(ASN1_SCTX *p, void *data);
863void *ASN1_SCTX_get_app_data(ASN1_SCTX *p);
864
865const BIO_METHOD *BIO_f_asn1(void);
866
867BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it);
868
869int i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
870 const ASN1_ITEM *it);
871int PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
872 const char *hdr, const ASN1_ITEM *it);
873int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags,
874 int ctype_nid, int econt_nid,
875 STACK_OF(X509_ALGOR) *mdalgs, const ASN1_ITEM *it);
876ASN1_VALUE *SMIME_read_ASN1(BIO *bio, BIO **bcont, const ASN1_ITEM *it);
877int SMIME_crlf_copy(BIO *in, BIO *out, int flags);
878int SMIME_text(BIO *in, BIO *out);
879
880const ASN1_ITEM *ASN1_ITEM_lookup(const char *name);
881const ASN1_ITEM *ASN1_ITEM_get(size_t i);
882
883# ifdef __cplusplus
884}
885# endif
886#endif
887

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