crypto/asn1/asn1_local.h

   1 /*
   2  * Copyright 2005-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 /* Internal ASN1 structures and functions: not for application use */
  11
  12 typedef const ASN1_VALUE const_ASN1_VALUE;
  13 SKM_DEFINE_STACK_OF(const_ASN1_VALUE, const ASN1_VALUE, ASN1_VALUE)
  14
  15 int ossl_asn1_time_to_tm(struct tm *tm, const ASN1_TIME *d);
  16 int ossl_asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d);
  17
  18 /* ASN1 scan context structure */
  19
  20 struct asn1_sctx_st {
  21     /* The ASN1_ITEM associated with this field */
  22     const ASN1_ITEM *it;
  23     /* If ASN1_TEMPLATE associated with this field */
  24     const ASN1_TEMPLATE *tt;
  25     /* Various flags associated with field and context */
  26     unsigned long flags;
  27     /* If SEQUENCE OF or SET OF, field index */
  28     int skidx;
  29     /* ASN1 depth of field */
  30     int depth;
  31     /* Structure and field name */
  32     const char *sname, *fname;
  33     /* If a primitive type the type of underlying field */
  34     int prim_type;
  35     /* The field value itself */
  36     ASN1_VALUE **field;
  37     /* Callback to pass information to */
  38     int (*scan_cb) (ASN1_SCTX *ctx);
  39     /* Context specific application data */
  40     void *app_data;
  41 } /* ASN1_SCTX */ ;
  42
  43 typedef struct mime_param_st MIME_PARAM;
  44 DEFINE_STACK_OF(MIME_PARAM)
  45 typedef struct mime_header_st MIME_HEADER;
  46 DEFINE_STACK_OF(MIME_HEADER)
  47
  48 void ossl_asn1_string_embed_free(ASN1_STRING *a, int embed);
  49
  50 int ossl_asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
  51 int ossl_asn1_get_choice_selector_const(const ASN1_VALUE **pval,
  52                                         const ASN1_ITEM *it);
  53 int ossl_asn1_set_choice_selector(ASN1_VALUE **pval, int value,
  54                                   const ASN1_ITEM *it);
  55
  56 ASN1_VALUE **ossl_asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
  57 const ASN1_VALUE **ossl_asn1_get_const_field_ptr(const ASN1_VALUE **pval,
  58                                                  const ASN1_TEMPLATE *tt);
  59
  60 const ASN1_TEMPLATE *ossl_asn1_do_adb(const ASN1_VALUE *val,
  61                                       const ASN1_TEMPLATE *tt,
  62                                       int nullerr);
  63
  64 int ossl_asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it);
  65
  66 void ossl_asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
  67 void ossl_asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
  68 int ossl_asn1_enc_restore(int *len, unsigned char **out, const ASN1_VALUE **pval,
  69                           const ASN1_ITEM *it);
  70 int ossl_asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen,
  71                        const ASN1_ITEM *it);
  72
  73 void ossl_asn1_item_embed_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed);
  74 void ossl_asn1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed);
  75 void ossl_asn1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
  76
  77 ASN1_OBJECT *ossl_c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
  78                                   long length);
  79 int ossl_i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp);
  80 ASN1_BIT_STRING *ossl_c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
  81                                           const unsigned char **pp, long length);
  82 int ossl_i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp);
  83 ASN1_INTEGER *ossl_c2i_ASN1_INTEGER(ASN1_INTEGER **a, const unsigned char **pp,
  84                                     long length);
  85
  86 /* Internal functions used by x_int64.c */
  87 int ossl_c2i_uint64_int(uint64_t *ret, int *neg, const unsigned char **pp,
  88                         long len);
  89 int ossl_i2c_uint64_int(unsigned char *p, uint64_t r, int neg);
  90
  91 ASN1_TIME *ossl_asn1_time_from_tm(ASN1_TIME *s, struct tm *ts, int type);