include/openssl/asn1.h.in

   1 /*
   2  * {- join("\n * ", @autowarntext) -}
   3  *
   4  * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
   5  *
   6  * Licensed under the Apache License 2.0 (the "License").  You may not use
   7  * this file except in compliance with the License.  You can obtain a copy
   8  * in the file LICENSE in the source distribution or at
   9  * https://www.openssl.org/source/license.html
  10  */
  11
  12 {-
  13 use OpenSSL::stackhash qw(generate_stack_macros);
  14 -}
  15
  16 #ifndef OPENSSL_ASN1_H
  17 # define OPENSSL_ASN1_H
  18 # pragma once
  19
  20 # include <openssl/macros.h>
  21 # ifndef OPENSSL_NO_DEPRECATED_3_0
  22 #  define HEADER_ASN1_H
  23 # endif
  24
  25 # ifndef OPENSSL_NO_STDIO
  26 #  include <stdio.h>
  27 # endif
  28 # include <time.h>
  29 # include <openssl/e_os2.h>
  30 # include <openssl/opensslconf.h>
  31 # include <openssl/bio.h>
  32 # include <openssl/safestack.h>
  33 # include <openssl/asn1err.h>
  34 # include <openssl/symhacks.h>
  35
  36 # include <openssl/types.h>
  37 # include <openssl/bn.h>
  38
  39 # ifdef OPENSSL_BUILD_SHLIBCRYPTO
  40 #  undef OPENSSL_EXTERN
  41 #  define OPENSSL_EXTERN OPENSSL_EXPORT
  42 # endif
  43
  44 #ifdef  __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 # define V_ASN1_UNIVERSAL                0x00
  49 # define V_ASN1_APPLICATION              0x40
  50 # define V_ASN1_CONTEXT_SPECIFIC         0x80
  51 # define V_ASN1_PRIVATE                  0xc0
  52
  53 # define V_ASN1_CONSTRUCTED              0x20
  54 # define V_ASN1_PRIMITIVE_TAG            0x1f
  55 # define V_ASN1_PRIMATIVE_TAG /*compat*/ V_ASN1_PRIMITIVE_TAG
  56
  57 # define V_ASN1_APP_CHOOSE               -2/* let the recipient choose */
  58 # define V_ASN1_OTHER                    -3/* used in ASN1_TYPE */
  59 # define V_ASN1_ANY                      -4/* used in ASN1 template code */
  60
  61 # define V_ASN1_UNDEF                    -1
  62 /* ASN.1 tag values */
  63 # define V_ASN1_EOC                      0
  64 # define V_ASN1_BOOLEAN                  1 /**/
  65 # define V_ASN1_INTEGER                  2
  66 # define V_ASN1_BIT_STRING               3
  67 # define V_ASN1_OCTET_STRING             4
  68 # define V_ASN1_NULL                     5
  69 # define V_ASN1_OBJECT                   6
  70 # define V_ASN1_OBJECT_DESCRIPTOR        7
  71 # define V_ASN1_EXTERNAL                 8
  72 # define V_ASN1_REAL                     9
  73 # define V_ASN1_ENUMERATED               10
  74 # define V_ASN1_UTF8STRING               12
  75 # define V_ASN1_SEQUENCE                 16
  76 # define V_ASN1_SET                      17
  77 # define V_ASN1_NUMERICSTRING            18 /**/
  78 # define V_ASN1_PRINTABLESTRING          19
  79 # define V_ASN1_T61STRING                20
  80 # define V_ASN1_TELETEXSTRING            20/* alias */
  81 # define V_ASN1_VIDEOTEXSTRING           21 /**/
  82 # define V_ASN1_IA5STRING                22
  83 # define V_ASN1_UTCTIME                  23
  84 # define V_ASN1_GENERALIZEDTIME          24 /**/
  85 # define V_ASN1_GRAPHICSTRING            25 /**/
  86 # define V_ASN1_ISO64STRING              26 /**/
  87 # define V_ASN1_VISIBLESTRING            26/* alias */
  88 # define V_ASN1_GENERALSTRING            27 /**/
  89 # define V_ASN1_UNIVERSALSTRING          28 /**/
  90 # define V_ASN1_BMPSTRING                30
  91
  92 /*
  93  * NB the constants below are used internally by ASN1_INTEGER
  94  * and ASN1_ENUMERATED to indicate the sign. They are *not* on
  95  * the wire tag values.
  96  */
  97
  98 # define V_ASN1_NEG                      0x100
  99 # define V_ASN1_NEG_INTEGER              (2 | V_ASN1_NEG)
 100 # define V_ASN1_NEG_ENUMERATED           (10 | V_ASN1_NEG)
 101
 102 /* For use with d2i_ASN1_type_bytes() */
 103 # define B_ASN1_NUMERICSTRING    0x0001
 104 # define B_ASN1_PRINTABLESTRING  0x0002
 105 # define B_ASN1_T61STRING        0x0004
 106 # define B_ASN1_TELETEXSTRING    0x0004
 107 # define B_ASN1_VIDEOTEXSTRING   0x0008
 108 # define B_ASN1_IA5STRING        0x0010
 109 # define B_ASN1_GRAPHICSTRING    0x0020
 110 # define B_ASN1_ISO64STRING      0x0040
 111 # define B_ASN1_VISIBLESTRING    0x0040
 112 # define B_ASN1_GENERALSTRING    0x0080
 113 # define B_ASN1_UNIVERSALSTRING  0x0100
 114 # define B_ASN1_OCTET_STRING     0x0200
 115 # define B_ASN1_BIT_STRING       0x0400
 116 # define B_ASN1_BMPSTRING        0x0800
 117 # define B_ASN1_UNKNOWN          0x1000
 118 # define B_ASN1_UTF8STRING       0x2000
 119 # define B_ASN1_UTCTIME          0x4000
 120 # define B_ASN1_GENERALIZEDTIME  0x8000
 121 # define B_ASN1_SEQUENCE         0x10000
 122 /* For use with ASN1_mbstring_copy() */
 123 # define MBSTRING_FLAG           0x1000
 124 # define MBSTRING_UTF8           (MBSTRING_FLAG)
 125 # define MBSTRING_ASC            (MBSTRING_FLAG|1)
 126 # define MBSTRING_BMP            (MBSTRING_FLAG|2)
 127 # define MBSTRING_UNIV           (MBSTRING_FLAG|4)
 128 # define SMIME_OLDMIME           0x400
 129 # define SMIME_CRLFEOL           0x800
 130 # define SMIME_STREAM            0x1000
 131
 132 /* Stacks for types not otherwise defined in this header */
 133 {-
 134     generate_stack_macros("X509_ALGOR");
 135 -}
 136
 137
 138 # define ASN1_STRING_FLAG_BITS_LEFT 0x08 /* Set if 0x07 has bits left value */
 139 /*
 140  * This indicates that the ASN1_STRING is not a real value but just a place
 141  * holder for the location where indefinite length constructed data should be
 142  * inserted in the memory buffer
 143  */
 144 # define ASN1_STRING_FLAG_NDEF 0x010
 145
 146 /*
 147  * This flag is used by the CMS code to indicate that a string is not
 148  * complete and is a place holder for content when it had all been accessed.
 149  * The flag will be reset when content has been written to it.
 150  */
 151
 152 # define ASN1_STRING_FLAG_CONT 0x020
 153 /*
 154  * This flag is used by ASN1 code to indicate an ASN1_STRING is an MSTRING
 155  * type.
 156  */
 157 # define ASN1_STRING_FLAG_MSTRING 0x040
 158 /* String is embedded and only content should be freed */
 159 # define ASN1_STRING_FLAG_EMBED 0x080
 160 /* String should be parsed in RFC 5280's time format */
 161 # define ASN1_STRING_FLAG_X509_TIME 0x100
 162 /* This is the base type that holds just about everything :-) */
 163 struct asn1_string_st {
 164     int length;
 165     int type;
 166     unsigned char *data;
 167     /*
 168      * The value of the following field depends on the type being held.  It
 169      * is mostly being used for BIT_STRING so if the input data has a
 170      * non-zero 'unused bits' value, it will be handled correctly
 171      */
 172     long flags;
 173 };
 174
 175 /*
 176  * ASN1_ENCODING structure: this is used to save the received encoding of an
 177  * ASN1 type. This is useful to get round problems with invalid encodings
 178  * which can break signatures.
 179  */
 180
 181 typedef struct ASN1_ENCODING_st {
 182     unsigned char *enc;         /* DER encoding */
 183     long len;                   /* Length of encoding */
 184     int modified;               /* set to 1 if 'enc' is invalid */
 185 } ASN1_ENCODING;
 186
 187 /* Used with ASN1 LONG type: if a long is set to this it is omitted */
 188 # define ASN1_LONG_UNDEF 0x7fffffffL
 189
 190 # define STABLE_FLAGS_MALLOC     0x01
 191 /*
 192  * A zero passed to ASN1_STRING_TABLE_new_add for the flags is interpreted
 193  * as "don't change" and STABLE_FLAGS_MALLOC is always set. By setting
 194  * STABLE_FLAGS_MALLOC only we can clear the existing value. Use the alias
 195  * STABLE_FLAGS_CLEAR to reflect this.
 196  */
 197 # define STABLE_FLAGS_CLEAR      STABLE_FLAGS_MALLOC
 198 # define STABLE_NO_MASK          0x02
 199 # define DIRSTRING_TYPE  \
 200  (B_ASN1_PRINTABLESTRING|B_ASN1_T61STRING|B_ASN1_BMPSTRING|B_ASN1_UTF8STRING)
 201 # define PKCS9STRING_TYPE (DIRSTRING_TYPE|B_ASN1_IA5STRING)
 202
 203 struct asn1_string_table_st {
 204     int nid;
 205     long minsize;
 206     long maxsize;
 207     unsigned long mask;
 208     unsigned long flags;
 209 };
 210
 211 {-
 212     generate_stack_macros("ASN1_STRING_TABLE");
 213 -}
 214
 215 /* size limits: this stuff is taken straight from RFC2459 */
 216
 217 # define ub_name                         32768
 218 # define ub_common_name                  64
 219 # define ub_locality_name                128
 220 # define ub_state_name                   128
 221 # define ub_organization_name            64
 222 # define ub_organization_unit_name       64
 223 # define ub_title                        64
 224 # define ub_email_address                128
 225
 226 /*
 227  * Declarations for template structures: for full definitions see asn1t.h
 228  */
 229 typedef struct ASN1_TEMPLATE_st ASN1_TEMPLATE;
 230 typedef struct ASN1_TLC_st ASN1_TLC;
 231 /* This is just an opaque pointer */
 232 typedef struct ASN1_VALUE_st ASN1_VALUE;
 233
 234 /* Declare ASN1 functions: the implement macro in in asn1t.h */
 235
 236 /*
 237  * The mysterious 'extern' that's passed to some macros is innocuous,
 238  * and is there to quiet pre-C99 compilers that may complain about empty
 239  * arguments in macro calls.
 240  */
 241
 242 # define DECLARE_ASN1_FUNCTIONS_attr(attr, type)                            \
 243     DECLARE_ASN1_FUNCTIONS_name_attr(attr, type, type)
 244 # define DECLARE_ASN1_FUNCTIONS(type)                                       \
 245     DECLARE_ASN1_FUNCTIONS_attr(extern, type)
 246
 247 # define DECLARE_ASN1_ALLOC_FUNCTIONS_attr(attr, type)                      \
 248     DECLARE_ASN1_ALLOC_FUNCTIONS_name_attr(attr, type, type)
 249 # define DECLARE_ASN1_ALLOC_FUNCTIONS(type)                                 \
 250     DECLARE_ASN1_ALLOC_FUNCTIONS_attr(extern, type)
 251
 252 # define DECLARE_ASN1_FUNCTIONS_name_attr(attr, type, name)                 \
 253     DECLARE_ASN1_ALLOC_FUNCTIONS_name_attr(attr, type, name)                \
 254     DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(attr, type, name)
 255 # define DECLARE_ASN1_FUNCTIONS_name(type, name)                            \
 256     DECLARE_ASN1_FUNCTIONS_name_attr(extern, type, name)
 257
 258 # define DECLARE_ASN1_ENCODE_FUNCTIONS_attr(attr, type, itname, name)       \
 259     DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(attr, type, name)               \
 260     DECLARE_ASN1_ITEM_attr(attr, itname)
 261 # define DECLARE_ASN1_ENCODE_FUNCTIONS(type, itname, name)                  \
 262     DECLARE_ASN1_ENCODE_FUNCTIONS_attr(extern, type, itname, name)
 263
 264 # define DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(attr, type, name)          \
 265     DECLARE_ASN1_ENCODE_FUNCTIONS_attr(attr, type, name, name)
 266 # define DECLARE_ASN1_ENCODE_FUNCTIONS_name(type, name) \
 267     DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(extern, type, name)
 268
 269 # define DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(attr, type, name)          \
 270     attr type *d2i_##name(type **a, const unsigned char **in, long len);    \
 271     attr int i2d_##name(const type *a, unsigned char **out);
 272 # define DECLARE_ASN1_ENCODE_FUNCTIONS_only(type, name)                     \
 273     DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(extern, type, name)
 274
 275 # define DECLARE_ASN1_NDEF_FUNCTION_attr(attr, name)                        \
 276     attr int i2d_##name##_NDEF(const name *a, unsigned char **out);
 277 # define DECLARE_ASN1_NDEF_FUNCTION(name)                                   \
 278     DECLARE_ASN1_NDEF_FUNCTION_attr(extern, name)
 279
 280 # define DECLARE_ASN1_ALLOC_FUNCTIONS_name_attr(attr, type, name)           \
 281     attr type *name##_new(void);                                            \
 282     attr void name##_free(type *a);
 283 # define DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name)                      \
 284     DECLARE_ASN1_ALLOC_FUNCTIONS_name_attr(extern, type, name)
 285
 286 # define DECLARE_ASN1_DUP_FUNCTION_attr(attr, type)                         \
 287     DECLARE_ASN1_DUP_FUNCTION_name_attr(attr, type, type)
 288 # define DECLARE_ASN1_DUP_FUNCTION(type)                                    \
 289     DECLARE_ASN1_DUP_FUNCTION_attr(extern, type)
 290
 291 # define DECLARE_ASN1_DUP_FUNCTION_name_attr(attr, type, name)              \
 292     attr type *name##_dup(const type *a);
 293 # define DECLARE_ASN1_DUP_FUNCTION_name(type, name)                         \
 294     DECLARE_ASN1_DUP_FUNCTION_name_attr(extern, type, name)
 295
 296 # define DECLARE_ASN1_PRINT_FUNCTION_attr(attr, stname)                     \
 297     DECLARE_ASN1_PRINT_FUNCTION_fname_attr(attr, stname, stname)
 298 # define DECLARE_ASN1_PRINT_FUNCTION(stname)                                \
 299     DECLARE_ASN1_PRINT_FUNCTION_attr(extern, stname)
 300
 301 # define DECLARE_ASN1_PRINT_FUNCTION_fname_attr(attr, stname, fname)        \
 302     attr int fname##_print_ctx(BIO *out, const stname *x, int indent,       \
 303                                const ASN1_PCTX *pctx);
 304 # define DECLARE_ASN1_PRINT_FUNCTION_fname(stname, fname)                   \
 305     DECLARE_ASN1_PRINT_FUNCTION_fname_attr(extern, stname, fname)
 306
 307 # define D2I_OF(type) type *(*)(type **,const unsigned char **,long)
 308 # define I2D_OF(type) int (*)(const type *,unsigned char **)
 309
 310 # define CHECKED_D2I_OF(type, d2i) \
 311     ((d2i_of_void*) (1 ? d2i : ((D2I_OF(type))0)))
 312 # define CHECKED_I2D_OF(type, i2d) \
 313     ((i2d_of_void*) (1 ? i2d : ((I2D_OF(type))0)))
 314 # define CHECKED_NEW_OF(type, xnew) \
 315     ((void *(*)(void)) (1 ? xnew : ((type *(*)(void))0)))
 316 # define CHECKED_PTR_OF(type, p) \
 317     ((void*) (1 ? p : (type*)0))
 318 # define CHECKED_PPTR_OF(type, p) \
 319     ((void**) (1 ? p : (type**)0))
 320
 321 # define TYPEDEF_D2I_OF(type) typedef type *d2i_of_##type(type **,const unsigned char **,long)
 322 # define TYPEDEF_I2D_OF(type) typedef int i2d_of_##type(const type *,unsigned char **)
 323 # define TYPEDEF_D2I2D_OF(type) TYPEDEF_D2I_OF(type); TYPEDEF_I2D_OF(type)
 324
 325 typedef void *d2i_of_void(void **, const unsigned char **, long);
 326 typedef int i2d_of_void(const void *, unsigned char **);
 327
 328 /*-
 329  * The following macros and typedefs allow an ASN1_ITEM
 330  * to be embedded in a structure and referenced. Since
 331  * the ASN1_ITEM pointers need to be globally accessible
 332  * (possibly from shared libraries) they may exist in
 333  * different forms. On platforms that support it the
 334  * ASN1_ITEM structure itself will be globally exported.
 335  * Other platforms will export a function that returns
 336  * an ASN1_ITEM pointer.
 337  *
 338  * To handle both cases transparently the macros below
 339  * should be used instead of hard coding an ASN1_ITEM
 340  * pointer in a structure.
 341  *
 342  * The structure will look like this:
 343  *
 344  * typedef struct SOMETHING_st {
 345  *      ...
 346  *      ASN1_ITEM_EXP *iptr;
 347  *      ...
 348  * } SOMETHING;
 349  *
 350  * It would be initialised as e.g.:
 351  *
 352  * SOMETHING somevar = {...,ASN1_ITEM_ref(X509),...};
 353  *
 354  * and the actual pointer extracted with:
 355  *
 356  * const ASN1_ITEM *it = ASN1_ITEM_ptr(somevar.iptr);
 357  *
 358  * Finally an ASN1_ITEM pointer can be extracted from an
 359  * appropriate reference with: ASN1_ITEM_rptr(X509). This
 360  * would be used when a function takes an ASN1_ITEM * argument.
 361  *
 362  */
 363
 364
 365 /*
 366  * Platforms that can't easily handle shared global variables are declared as
 367  * functions returning ASN1_ITEM pointers.
 368  */
 369
 370 /* ASN1_ITEM pointer exported type */
 371 typedef const ASN1_ITEM *ASN1_ITEM_EXP (void);
 372
 373 /* Macro to obtain ASN1_ITEM pointer from exported type */
 374 # define ASN1_ITEM_ptr(iptr) (iptr())
 375
 376 /* Macro to include ASN1_ITEM pointer from base type */
 377 # define ASN1_ITEM_ref(iptr) (iptr##_it)
 378
 379 # define ASN1_ITEM_rptr(ref) (ref##_it())
 380
 381 # define DECLARE_ASN1_ITEM_attr(attr, name)                                 \
 382     attr const ASN1_ITEM * name##_it(void);
 383 # define DECLARE_ASN1_ITEM(name)                                            \
 384     DECLARE_ASN1_ITEM_attr(extern, name)
 385
 386 /* Parameters used by ASN1_STRING_print_ex() */
 387
 388 /*
 389  * These determine which characters to escape: RFC2253 special characters,
 390  * control characters and MSB set characters
 391  */
 392
 393 # define ASN1_STRFLGS_ESC_2253           1
 394 # define ASN1_STRFLGS_ESC_CTRL           2
 395 # define ASN1_STRFLGS_ESC_MSB            4
 396
 397 /* Lower 8 bits are reserved as an output type specifier */
 398 # define ASN1_DTFLGS_TYPE_MASK    0x0FUL
 399 # define ASN1_DTFLGS_RFC822       0x00UL
 400 # define ASN1_DTFLGS_ISO8601      0x01UL
 401
 402 /*
 403  * This flag determines how we do escaping: normally RC2253 backslash only,
 404  * set this to use backslash and quote.
 405  */
 406
 407 # define ASN1_STRFLGS_ESC_QUOTE          8
 408
 409 /* These three flags are internal use only. */
 410
 411 /* Character is a valid PrintableString character */
 412 # define CHARTYPE_PRINTABLESTRING        0x10
 413 /* Character needs escaping if it is the first character */
 414 # define CHARTYPE_FIRST_ESC_2253         0x20
 415 /* Character needs escaping if it is the last character */
 416 # define CHARTYPE_LAST_ESC_2253          0x40
 417
 418 /*
 419  * NB the internal flags are safely reused below by flags handled at the top
 420  * level.
 421  */
 422
 423 /*
 424  * If this is set we convert all character strings to UTF8 first
 425  */
 426
 427 # define ASN1_STRFLGS_UTF8_CONVERT       0x10
 428
 429 /*
 430  * If this is set we don't attempt to interpret content: just assume all
 431  * strings are 1 byte per character. This will produce some pretty odd
 432  * looking output!
 433  */
 434
 435 # define ASN1_STRFLGS_IGNORE_TYPE        0x20
 436
 437 /* If this is set we include the string type in the output */
 438 # define ASN1_STRFLGS_SHOW_TYPE          0x40
 439
 440 /*
 441  * This determines which strings to display and which to 'dump' (hex dump of
 442  * content octets or DER encoding). We can only dump non character strings or
 443  * everything. If we don't dump 'unknown' they are interpreted as character
 444  * strings with 1 octet per character and are subject to the usual escaping
 445  * options.
 446  */
 447
 448 # define ASN1_STRFLGS_DUMP_ALL           0x80
 449 # define ASN1_STRFLGS_DUMP_UNKNOWN       0x100
 450
 451 /*
 452  * These determine what 'dumping' does, we can dump the content octets or the
 453  * DER encoding: both use the RFC2253 #XXXXX notation.
 454  */
 455
 456 # define ASN1_STRFLGS_DUMP_DER           0x200
 457
 458 /*
 459  * This flag specifies that RC2254 escaping shall be performed.
 460  */
 461 #define ASN1_STRFLGS_ESC_2254           0x400
 462
 463 /*
 464  * All the string flags consistent with RFC2253, escaping control characters
 465  * isn't essential in RFC2253 but it is advisable anyway.
 466  */
 467
 468 # define ASN1_STRFLGS_RFC2253    (ASN1_STRFLGS_ESC_2253 | \
 469                                 ASN1_STRFLGS_ESC_CTRL | \
 470                                 ASN1_STRFLGS_ESC_MSB | \
 471                                 ASN1_STRFLGS_UTF8_CONVERT | \
 472                                 ASN1_STRFLGS_DUMP_UNKNOWN | \
 473                                 ASN1_STRFLGS_DUMP_DER)
 474
 475
 476 struct asn1_type_st {
 477     int type;
 478     union {
 479         char *ptr;
 480         ASN1_BOOLEAN boolean;
 481         ASN1_STRING *asn1_string;
 482         ASN1_OBJECT *object;
 483         ASN1_INTEGER *integer;
 484         ASN1_ENUMERATED *enumerated;
 485         ASN1_BIT_STRING *bit_string;
 486         ASN1_OCTET_STRING *octet_string;
 487         ASN1_PRINTABLESTRING *printablestring;
 488         ASN1_T61STRING *t61string;
 489         ASN1_IA5STRING *ia5string;
 490         ASN1_GENERALSTRING *generalstring;
 491         ASN1_BMPSTRING *bmpstring;
 492         ASN1_UNIVERSALSTRING *universalstring;
 493         ASN1_UTCTIME *utctime;
 494         ASN1_GENERALIZEDTIME *generalizedtime;
 495         ASN1_VISIBLESTRING *visiblestring;
 496         ASN1_UTF8STRING *utf8string;
 497         /*
 498          * set and sequence are left complete and still contain the set or
 499          * sequence bytes
 500          */
 501         ASN1_STRING *set;
 502         ASN1_STRING *sequence;
 503         ASN1_VALUE *asn1_value;
 504     } value;
 505 };
 506
 507 {-
 508     generate_stack_macros("ASN1_TYPE");
 509 -}
 510
 511 typedef STACK_OF(ASN1_TYPE) ASN1_SEQUENCE_ANY;
 512
 513 DECLARE_ASN1_ENCODE_FUNCTIONS_name(ASN1_SEQUENCE_ANY, ASN1_SEQUENCE_ANY)
 514 DECLARE_ASN1_ENCODE_FUNCTIONS_name(ASN1_SEQUENCE_ANY, ASN1_SET_ANY)
 515
 516 /* This is used to contain a list of bit names */
 517 typedef struct BIT_STRING_BITNAME_st {
 518     int bitnum;
 519     const char *lname;
 520     const char *sname;
 521 } BIT_STRING_BITNAME;
 522
 523 # define B_ASN1_TIME \
 524                         B_ASN1_UTCTIME | \
 525                         B_ASN1_GENERALIZEDTIME
 526
 527 # define B_ASN1_PRINTABLE \
 528                         B_ASN1_NUMERICSTRING| \
 529                         B_ASN1_PRINTABLESTRING| \
 530                         B_ASN1_T61STRING| \
 531                         B_ASN1_IA5STRING| \
 532                         B_ASN1_BIT_STRING| \
 533                         B_ASN1_UNIVERSALSTRING|\
 534                         B_ASN1_BMPSTRING|\
 535                         B_ASN1_UTF8STRING|\
 536                         B_ASN1_SEQUENCE|\
 537                         B_ASN1_UNKNOWN
 538
 539 # define B_ASN1_DIRECTORYSTRING \
 540                         B_ASN1_PRINTABLESTRING| \
 541                         B_ASN1_TELETEXSTRING|\
 542                         B_ASN1_BMPSTRING|\
 543                         B_ASN1_UNIVERSALSTRING|\
 544                         B_ASN1_UTF8STRING
 545
 546 # define B_ASN1_DISPLAYTEXT \
 547                         B_ASN1_IA5STRING| \
 548                         B_ASN1_VISIBLESTRING| \
 549                         B_ASN1_BMPSTRING|\
 550                         B_ASN1_UTF8STRING
 551
 552 DECLARE_ASN1_ALLOC_FUNCTIONS_name(ASN1_TYPE, ASN1_TYPE)
 553 DECLARE_ASN1_ENCODE_FUNCTIONS(ASN1_TYPE, ASN1_ANY, ASN1_TYPE)
 554
 555 int ASN1_TYPE_get(const ASN1_TYPE *a);
 556 void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value);
 557 int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value);
 558 int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b);
 559
 560 ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, ASN1_TYPE **t);
 561 void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t);
 562
 563 {-
 564     generate_stack_macros("ASN1_OBJECT");
 565 -}
 566
 567 DECLARE_ASN1_FUNCTIONS(ASN1_OBJECT)
 568
 569 ASN1_STRING *ASN1_STRING_new(void);
 570 void ASN1_STRING_free(ASN1_STRING *a);
 571 void ASN1_STRING_clear_free(ASN1_STRING *a);
 572 int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str);
 573 DECLARE_ASN1_DUP_FUNCTION(ASN1_STRING)
 574 ASN1_STRING *ASN1_STRING_type_new(int type);
 575 int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b);
 576   /*
 577    * Since this is used to store all sorts of things, via macros, for now,
 578    * make its data void *
 579    */
 580 int ASN1_STRING_set(ASN1_STRING *str, const void *data, int len);
 581 void ASN1_STRING_set0(ASN1_STRING *str, void *data, int len);
 582 int ASN1_STRING_length(const ASN1_STRING *x);
 583 # ifndef OPENSSL_NO_DEPRECATED_3_0
 584 OSSL_DEPRECATEDIN_3_0 void ASN1_STRING_length_set(ASN1_STRING *x, int n);
 585 # endif
 586 int ASN1_STRING_type(const ASN1_STRING *x);
 587 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
 588 OSSL_DEPRECATEDIN_1_1_0 unsigned char *ASN1_STRING_data(ASN1_STRING *x);
 589 # endif
 590 const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *x);
 591
 592 DECLARE_ASN1_FUNCTIONS(ASN1_BIT_STRING)
 593 int ASN1_BIT_STRING_set(ASN1_BIT_STRING *a, unsigned char *d, int length);
 594 int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value);
 595 int ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n);
 596 int ASN1_BIT_STRING_check(const ASN1_BIT_STRING *a,
 597                           const unsigned char *flags, int flags_len);
 598
 599 int ASN1_BIT_STRING_name_print(BIO *out, ASN1_BIT_STRING *bs,
 600                                BIT_STRING_BITNAME *tbl, int indent);
 601 int ASN1_BIT_STRING_num_asc(const char *name, BIT_STRING_BITNAME *tbl);
 602 int ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING *bs, const char *name, int value,
 603                             BIT_STRING_BITNAME *tbl);
 604
 605 {-
 606     generate_stack_macros("ASN1_INTEGER");
 607 -}
 608
 609
 610 DECLARE_ASN1_FUNCTIONS(ASN1_INTEGER)
 611 ASN1_INTEGER *d2i_ASN1_UINTEGER(ASN1_INTEGER **a, const unsigned char **pp,
 612                                 long length);
 613 DECLARE_ASN1_DUP_FUNCTION(ASN1_INTEGER)
 614 int ASN1_INTEGER_cmp(const ASN1_INTEGER *x, const ASN1_INTEGER *y);
 615
 616 DECLARE_ASN1_FUNCTIONS(ASN1_ENUMERATED)
 617
 618 int ASN1_UTCTIME_check(const ASN1_UTCTIME *a);
 619 ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t);
 620 ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
 621                                int offset_day, long offset_sec);
 622 int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str);
 623 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t);
 624
 625 int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *a);
 626 ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
 627                                                time_t t);
 628 ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
 629                                                time_t t, int offset_day,
 630                                                long offset_sec);
 631 int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str);
 632
 633 int ASN1_TIME_diff(int *pday, int *psec,
 634                    const ASN1_TIME *from, const ASN1_TIME *to);
 635
 636 DECLARE_ASN1_FUNCTIONS(ASN1_OCTET_STRING)
 637 DECLARE_ASN1_DUP_FUNCTION(ASN1_OCTET_STRING)
 638 int ASN1_OCTET_STRING_cmp(const ASN1_OCTET_STRING *a,
 639                           const ASN1_OCTET_STRING *b);
 640 int ASN1_OCTET_STRING_set(ASN1_OCTET_STRING *str, const unsigned char *data,
 641                           int len);
 642
 643 {-
 644     generate_stack_macros("ASN1_UTF8STRING");
 645 -}
 646
 647 DECLARE_ASN1_FUNCTIONS(ASN1_VISIBLESTRING)
 648 DECLARE_ASN1_FUNCTIONS(ASN1_UNIVERSALSTRING)
 649 DECLARE_ASN1_FUNCTIONS(ASN1_UTF8STRING)
 650 DECLARE_ASN1_FUNCTIONS(ASN1_NULL)
 651 DECLARE_ASN1_FUNCTIONS(ASN1_BMPSTRING)
 652
 653 int UTF8_getc(const unsigned char *str, int len, unsigned long *val);
 654 int UTF8_putc(unsigned char *str, int len, unsigned long value);
 655
 656 {-
 657     generate_stack_macros("ASN1_GENERALSTRING");
 658 -}
 659
 660 DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, ASN1_PRINTABLE)
 661
 662 DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, DIRECTORYSTRING)
 663 DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, DISPLAYTEXT)
 664 DECLARE_ASN1_FUNCTIONS(ASN1_PRINTABLESTRING)
 665 DECLARE_ASN1_FUNCTIONS(ASN1_T61STRING)
 666 DECLARE_ASN1_FUNCTIONS(ASN1_IA5STRING)
 667 DECLARE_ASN1_FUNCTIONS(ASN1_GENERALSTRING)
 668 DECLARE_ASN1_FUNCTIONS(ASN1_UTCTIME)
 669 DECLARE_ASN1_FUNCTIONS(ASN1_GENERALIZEDTIME)
 670 DECLARE_ASN1_FUNCTIONS(ASN1_TIME)
 671
 672 DECLARE_ASN1_DUP_FUNCTION(ASN1_TIME)
 673 DECLARE_ASN1_DUP_FUNCTION(ASN1_UTCTIME)
 674 DECLARE_ASN1_DUP_FUNCTION(ASN1_GENERALIZEDTIME)
 675
 676 DECLARE_ASN1_ITEM(ASN1_OCTET_STRING_NDEF)
 677
 678 ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t);
 679 ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t,
 680                          int offset_day, long offset_sec);
 681 int ASN1_TIME_check(const ASN1_TIME *t);
 682 ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(const ASN1_TIME *t,
 683                                                    ASN1_GENERALIZEDTIME **out);
 684 int ASN1_TIME_set_string(ASN1_TIME *s, const char *str);
 685 int ASN1_TIME_set_string_X509(ASN1_TIME *s, const char *str);
 686 int ASN1_TIME_to_tm(const ASN1_TIME *s, struct tm *tm);
 687 int ASN1_TIME_normalize(ASN1_TIME *s);
 688 int ASN1_TIME_cmp_time_t(const ASN1_TIME *s, time_t t);
 689 int ASN1_TIME_compare(const ASN1_TIME *a, const ASN1_TIME *b);
 690
 691 int i2a_ASN1_INTEGER(BIO *bp, const ASN1_INTEGER *a);
 692 int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size);
 693 int i2a_ASN1_ENUMERATED(BIO *bp, const ASN1_ENUMERATED *a);
 694 int a2i_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *bs, char *buf, int size);
 695 int i2a_ASN1_OBJECT(BIO *bp, const ASN1_OBJECT *a);
 696 int a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size);
 697 int i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type);
 698 int i2t_ASN1_OBJECT(char *buf, int buf_len, const ASN1_OBJECT *a);
 699
 700 int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num);
 701 ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len,
 702                                 const char *sn, const char *ln);
 703
 704 int ASN1_INTEGER_get_int64(int64_t *pr, const ASN1_INTEGER *a);
 705 int ASN1_INTEGER_set_int64(ASN1_INTEGER *a, int64_t r);
 706 int ASN1_INTEGER_get_uint64(uint64_t *pr, const ASN1_INTEGER *a);
 707 int ASN1_INTEGER_set_uint64(ASN1_INTEGER *a, uint64_t r);
 708
 709 int ASN1_INTEGER_set(ASN1_INTEGER *a, long v);
 710 long ASN1_INTEGER_get(const ASN1_INTEGER *a);
 711 ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai);
 712 BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn);
 713
 714 int ASN1_ENUMERATED_get_int64(int64_t *pr, const ASN1_ENUMERATED *a);
 715 int ASN1_ENUMERATED_set_int64(ASN1_ENUMERATED *a, int64_t r);
 716
 717
 718 int ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v);
 719 long ASN1_ENUMERATED_get(const ASN1_ENUMERATED *a);
 720 ASN1_ENUMERATED *BN_to_ASN1_ENUMERATED(const BIGNUM *bn, ASN1_ENUMERATED *ai);
 721 BIGNUM *ASN1_ENUMERATED_to_BN(const ASN1_ENUMERATED *ai, BIGNUM *bn);
 722
 723 /* General */
 724 /* given a string, return the correct type, max is the maximum length */
 725 int ASN1_PRINTABLE_type(const unsigned char *s, int max);
 726
 727 unsigned long ASN1_tag2bit(int tag);
 728
 729 /* SPECIALS */
 730 int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,
 731                     int *pclass, long omax);
 732 int ASN1_check_infinite_end(unsigned char **p, long len);
 733 int ASN1_const_check_infinite_end(const unsigned char **p, long len);
 734 void ASN1_put_object(unsigned char **pp, int constructed, int length,
 735                      int tag, int xclass);
 736 int ASN1_put_eoc(unsigned char **pp);
 737 int ASN1_object_size(int constructed, int length, int tag);
 738
 739 /* Used to implement other functions */
 740 void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, const void *x);
 741
 742 # define ASN1_dup_of(type,i2d,d2i,x) \
 743     ((type*)ASN1_dup(CHECKED_I2D_OF(type, i2d), \
 744                      CHECKED_D2I_OF(type, d2i), \
 745                      CHECKED_PTR_OF(const type, x)))
 746
 747 void *ASN1_item_dup(const ASN1_ITEM *it, const void *x);
 748 int ASN1_item_sign_ex(const ASN1_ITEM *it, X509_ALGOR *algor1,
 749                       X509_ALGOR *algor2, ASN1_BIT_STRING *signature,
 750                       const void *data, const ASN1_OCTET_STRING *id,
 751                       EVP_PKEY *pkey, const EVP_MD *md, OSSL_LIB_CTX *libctx,
 752                       const char *propq);
 753 int ASN1_item_verify_ex(const ASN1_ITEM *it, const X509_ALGOR *alg,
 754                         const ASN1_BIT_STRING *signature, const void *data,
 755                         const ASN1_OCTET_STRING *id, EVP_PKEY *pkey,
 756                         OSSL_LIB_CTX *libctx, const char *propq);
 757
 758 /* ASN1 alloc/free macros for when a type is only used internally */
 759
 760 # define M_ASN1_new_of(type) (type *)ASN1_item_new(ASN1_ITEM_rptr(type))
 761 # define M_ASN1_free_of(x, type) \
 762                 ASN1_item_free(CHECKED_PTR_OF(type, x), ASN1_ITEM_rptr(type))
 763
 764 # ifndef OPENSSL_NO_STDIO
 765 void *ASN1_d2i_fp(void *(*xnew) (void), d2i_of_void *d2i, FILE *in, void **x);
 766
 767 #  define ASN1_d2i_fp_of(type,xnew,d2i,in,x) \
 768     ((type*)ASN1_d2i_fp(CHECKED_NEW_OF(type, xnew), \
 769                         CHECKED_D2I_OF(type, d2i), \
 770                         in, \
 771                         CHECKED_PPTR_OF(type, x)))
 772
 773 void *ASN1_item_d2i_fp_ex(const ASN1_ITEM *it, FILE *in, void *x,
 774                           OSSL_LIB_CTX *libctx, const char *propq);
 775 void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x);
 776 int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, const void *x);
 777
 778 #  define ASN1_i2d_fp_of(type,i2d,out,x) \
 779     (ASN1_i2d_fp(CHECKED_I2D_OF(type, i2d), \
 780                  out, \
 781                  CHECKED_PTR_OF(const type, x)))
 782
 783 int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, const void *x);
 784 int ASN1_STRING_print_ex_fp(FILE *fp, const ASN1_STRING *str, unsigned long flags);
 785 # endif
 786
 787 int ASN1_STRING_to_UTF8(unsigned char **out, const ASN1_STRING *in);
 788
 789 void *ASN1_d2i_bio(void *(*xnew) (void), d2i_of_void *d2i, BIO *in, void **x);
 790
 791 #  define ASN1_d2i_bio_of(type,xnew,d2i,in,x) \
 792     ((type*)ASN1_d2i_bio( CHECKED_NEW_OF(type, xnew), \
 793                           CHECKED_D2I_OF(type, d2i), \
 794                           in, \
 795                           CHECKED_PPTR_OF(type, x)))
 796
 797 void *ASN1_item_d2i_bio_ex(const ASN1_ITEM *it, BIO *in, void *pval,
 798                            OSSL_LIB_CTX *libctx, const char *propq);
 799 void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *pval);
 800 int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, const void *x);
 801
 802 #  define ASN1_i2d_bio_of(type,i2d,out,x) \
 803     (ASN1_i2d_bio(CHECKED_I2D_OF(type, i2d), \
 804                   out, \
 805                   CHECKED_PTR_OF(const type, x)))
 806
 807 int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, const void *x);
 808 BIO *ASN1_item_i2d_mem_bio(const ASN1_ITEM *it, const ASN1_VALUE *val);
 809 int ASN1_UTCTIME_print(BIO *fp, const ASN1_UTCTIME *a);
 810 int ASN1_GENERALIZEDTIME_print(BIO *fp, const ASN1_GENERALIZEDTIME *a);
 811 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm);
 812 int ASN1_TIME_print_ex(BIO *bp, const ASN1_TIME *tm, unsigned long flags);
 813 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v);
 814 int ASN1_STRING_print_ex(BIO *out, const ASN1_STRING *str, unsigned long flags);
 815 int ASN1_buf_print(BIO *bp, const unsigned char *buf, size_t buflen, int off);
 816 int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
 817                   unsigned char *buf, int off);
 818 int ASN1_parse(BIO *bp, const unsigned char *pp, long len, int indent);
 819 int ASN1_parse_dump(BIO *bp, const unsigned char *pp, long len, int indent,
 820                     int dump);
 821 const char *ASN1_tag2str(int tag);
 822
 823 /* Used to load and write Netscape format cert */
 824
 825 int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s);
 826
 827 int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len);
 828 int ASN1_TYPE_get_octetstring(const ASN1_TYPE *a, unsigned char *data, int max_len);
 829 int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num,
 830                                   unsigned char *data, int len);
 831 int ASN1_TYPE_get_int_octetstring(const ASN1_TYPE *a, long *num,
 832                                   unsigned char *data, int max_len);
 833
 834 void *ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it);
 835 void *ASN1_item_unpack_ex(const ASN1_STRING *oct, const ASN1_ITEM *it,
 836                           OSSL_LIB_CTX *libctx, const char *propq);
 837
 838 ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it,
 839                             ASN1_OCTET_STRING **oct);
 840
 841 void ASN1_STRING_set_default_mask(unsigned long mask);
 842 int ASN1_STRING_set_default_mask_asc(const char *p);
 843 unsigned long ASN1_STRING_get_default_mask(void);
 844 int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len,
 845                        int inform, unsigned long mask);
 846 int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
 847                         int inform, unsigned long mask,
 848                         long minsize, long maxsize);
 849
 850 ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out,
 851                                     const unsigned char *in, int inlen,
 852                                     int inform, int nid);
 853 ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid);
 854 int ASN1_STRING_TABLE_add(int, long, long, unsigned long, unsigned long);
 855 void ASN1_STRING_TABLE_cleanup(void);
 856
 857 /* ASN1 template functions */
 858
 859 /* Old API compatible functions */
 860 ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it);
 861 ASN1_VALUE *ASN1_item_new_ex(const ASN1_ITEM *it, OSSL_LIB_CTX *libctx,
 862                              const char *propq);
 863 void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it);
 864 ASN1_VALUE *ASN1_item_d2i_ex(ASN1_VALUE **val, const unsigned char **in,
 865                              long len, const ASN1_ITEM *it,
 866                              OSSL_LIB_CTX *libctx, const char *propq);
 867 ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **val, const unsigned char **in,
 868                           long len, const ASN1_ITEM *it);
 869 int ASN1_item_i2d(const ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it);
 870 int ASN1_item_ndef_i2d(const ASN1_VALUE *val, unsigned char **out,
 871                        const ASN1_ITEM *it);
 872
 873 void ASN1_add_oid_module(void);
 874 void ASN1_add_stable_module(void);
 875
 876 ASN1_TYPE *ASN1_generate_nconf(const char *str, CONF *nconf);
 877 ASN1_TYPE *ASN1_generate_v3(const char *str, X509V3_CTX *cnf);
 878 int ASN1_str2mask(const char *str, unsigned long *pmask);
 879
 880 /* ASN1 Print flags */
 881
 882 /* Indicate missing OPTIONAL fields */
 883 # define ASN1_PCTX_FLAGS_SHOW_ABSENT             0x001
 884 /* Mark start and end of SEQUENCE */
 885 # define ASN1_PCTX_FLAGS_SHOW_SEQUENCE           0x002
 886 /* Mark start and end of SEQUENCE/SET OF */
 887 # define ASN1_PCTX_FLAGS_SHOW_SSOF               0x004
 888 /* Show the ASN1 type of primitives */
 889 # define ASN1_PCTX_FLAGS_SHOW_TYPE               0x008
 890 /* Don't show ASN1 type of ANY */
 891 # define ASN1_PCTX_FLAGS_NO_ANY_TYPE             0x010
 892 /* Don't show ASN1 type of MSTRINGs */
 893 # define ASN1_PCTX_FLAGS_NO_MSTRING_TYPE         0x020
 894 /* Don't show field names in SEQUENCE */
 895 # define ASN1_PCTX_FLAGS_NO_FIELD_NAME           0x040
 896 /* Show structure names of each SEQUENCE field */
 897 # define ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME  0x080
 898 /* Don't show structure name even at top level */
 899 # define ASN1_PCTX_FLAGS_NO_STRUCT_NAME          0x100
 900
 901 int ASN1_item_print(BIO *out, const ASN1_VALUE *ifld, int indent,
 902                     const ASN1_ITEM *it, const ASN1_PCTX *pctx);
 903 ASN1_PCTX *ASN1_PCTX_new(void);
 904 void ASN1_PCTX_free(ASN1_PCTX *p);
 905 unsigned long ASN1_PCTX_get_flags(const ASN1_PCTX *p);
 906 void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags);
 907 unsigned long ASN1_PCTX_get_nm_flags(const ASN1_PCTX *p);
 908 void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags);
 909 unsigned long ASN1_PCTX_get_cert_flags(const ASN1_PCTX *p);
 910 void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags);
 911 unsigned long ASN1_PCTX_get_oid_flags(const ASN1_PCTX *p);
 912 void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags);
 913 unsigned long ASN1_PCTX_get_str_flags(const ASN1_PCTX *p);
 914 void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags);
 915
 916 ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb) (ASN1_SCTX *ctx));
 917 void ASN1_SCTX_free(ASN1_SCTX *p);
 918 const ASN1_ITEM *ASN1_SCTX_get_item(ASN1_SCTX *p);
 919 const ASN1_TEMPLATE *ASN1_SCTX_get_template(ASN1_SCTX *p);
 920 unsigned long ASN1_SCTX_get_flags(ASN1_SCTX *p);
 921 void ASN1_SCTX_set_app_data(ASN1_SCTX *p, void *data);
 922 void *ASN1_SCTX_get_app_data(ASN1_SCTX *p);
 923
 924 const BIO_METHOD *BIO_f_asn1(void);
 925
 926 /* cannot constify val because of CMS_stream() */
 927 BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it);
 928
 929 int i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
 930                         const ASN1_ITEM *it);
 931 int PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
 932                               const char *hdr, const ASN1_ITEM *it);
 933 /* cannot constify val because of CMS_dataFinal() */
 934 int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags,
 935                      int ctype_nid, int econt_nid,
 936                      STACK_OF(X509_ALGOR) *mdalgs, const ASN1_ITEM *it);
 937 int SMIME_write_ASN1_ex(BIO *bio, ASN1_VALUE *val, BIO *data, int flags,
 938                         int ctype_nid, int econt_nid,
 939                         STACK_OF(X509_ALGOR) *mdalgs, const ASN1_ITEM *it,
 940                         OSSL_LIB_CTX *libctx, const char *propq);
 941 ASN1_VALUE *SMIME_read_ASN1(BIO *bio, BIO **bcont, const ASN1_ITEM *it);
 942 ASN1_VALUE *SMIME_read_ASN1_ex(BIO *bio, int flags, BIO **bcont,
 943                                const ASN1_ITEM *it, ASN1_VALUE **x,
 944                                OSSL_LIB_CTX *libctx, const char *propq);
 945 int SMIME_crlf_copy(BIO *in, BIO *out, int flags);
 946 int SMIME_text(BIO *in, BIO *out);
 947
 948 const ASN1_ITEM *ASN1_ITEM_lookup(const char *name);
 949 const ASN1_ITEM *ASN1_ITEM_get(size_t i);
 950
 951 /* Legacy compatibility */
 952 # define DECLARE_ASN1_FUNCTIONS_fname(type, itname, name) \
 953          DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
 954          DECLARE_ASN1_ENCODE_FUNCTIONS(type, itname, name)
 955 # define DECLARE_ASN1_FUNCTIONS_const(type) DECLARE_ASN1_FUNCTIONS(type)
 956 # define DECLARE_ASN1_ENCODE_FUNCTIONS_const(type, name) \
 957          DECLARE_ASN1_ENCODE_FUNCTIONS(type, name)
 958 # define I2D_OF_const(type) I2D_OF(type)
 959 # define ASN1_dup_of_const(type,i2d,d2i,x) ASN1_dup_of(type,i2d,d2i,x)
 960 # define ASN1_i2d_fp_of_const(type,i2d,out,x) ASN1_i2d_fp_of(type,i2d,out,x)
 961 # define ASN1_i2d_bio_of_const(type,i2d,out,x) ASN1_i2d_bio_of(type,i2d,out,x)
 962
 963 # ifdef  __cplusplus
 964 }
 965 # endif
 966 #endif