| 1 | /*
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| 2 | * Copyright 2005-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /* Internal ASN1 structures and functions: not for application use */
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| 11 |
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| 12 | #include "crypto/asn1.h"
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| 13 |
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| 14 | typedef const ASN1_VALUE const_ASN1_VALUE;
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| 15 | SKM_DEFINE_STACK_OF(const_ASN1_VALUE, const ASN1_VALUE, ASN1_VALUE)
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| 16 |
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| 17 | int ossl_asn1_time_to_tm(struct tm *tm, const ASN1_TIME *d);
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| 18 | int ossl_asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d);
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| 19 |
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| 20 | /* ASN1 scan context structure */
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| 21 |
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| 22 | struct asn1_sctx_st {
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| 23 | /* The ASN1_ITEM associated with this field */
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| 24 | const ASN1_ITEM *it;
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| 25 | /* If ASN1_TEMPLATE associated with this field */
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| 26 | const ASN1_TEMPLATE *tt;
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| 27 | /* Various flags associated with field and context */
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| 28 | unsigned long flags;
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| 29 | /* If SEQUENCE OF or SET OF, field index */
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| 30 | int skidx;
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| 31 | /* ASN1 depth of field */
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| 32 | int depth;
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| 33 | /* Structure and field name */
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| 34 | const char *sname, *fname;
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| 35 | /* If a primitive type the type of underlying field */
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| 36 | int prim_type;
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| 37 | /* The field value itself */
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| 38 | ASN1_VALUE **field;
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| 39 | /* Callback to pass information to */
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| 40 | int (*scan_cb) (ASN1_SCTX *ctx);
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| 41 | /* Context specific application data */
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| 42 | void *app_data;
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| 43 | } /* ASN1_SCTX */ ;
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| 44 |
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| 45 | typedef struct mime_param_st MIME_PARAM;
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| 46 | DEFINE_STACK_OF(MIME_PARAM)
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| 47 | typedef struct mime_header_st MIME_HEADER;
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| 48 | DEFINE_STACK_OF(MIME_HEADER)
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| 49 |
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| 50 | void ossl_asn1_string_embed_free(ASN1_STRING *a, int embed);
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| 51 |
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| 52 | int ossl_asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
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| 53 | int ossl_asn1_get_choice_selector_const(const ASN1_VALUE **pval,
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| 54 | const ASN1_ITEM *it);
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| 55 | int ossl_asn1_set_choice_selector(ASN1_VALUE **pval, int value,
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| 56 | const ASN1_ITEM *it);
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| 57 |
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| 58 | ASN1_VALUE **ossl_asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
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| 59 | const ASN1_VALUE **ossl_asn1_get_const_field_ptr(const ASN1_VALUE **pval,
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| 60 | const ASN1_TEMPLATE *tt);
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| 61 |
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| 62 | const ASN1_TEMPLATE *ossl_asn1_do_adb(const ASN1_VALUE *val,
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| 63 | const ASN1_TEMPLATE *tt,
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| 64 | int nullerr);
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| 65 |
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| 66 | int ossl_asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it);
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| 67 |
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| 68 | void ossl_asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
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| 69 | void ossl_asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
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| 70 | int ossl_asn1_enc_restore(int *len, unsigned char **out, const ASN1_VALUE **pval,
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| 71 | const ASN1_ITEM *it);
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| 72 | int ossl_asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen,
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| 73 | const ASN1_ITEM *it);
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| 74 |
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| 75 | void ossl_asn1_item_embed_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed);
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| 76 | void ossl_asn1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed);
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| 77 | void ossl_asn1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
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| 78 |
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| 79 | ASN1_OBJECT *ossl_c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
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| 80 | long length);
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| 81 | int ossl_i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp);
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| 82 | ASN1_BIT_STRING *ossl_c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
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| 83 | const unsigned char **pp, long length);
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| 84 | int ossl_i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp);
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| 85 | ASN1_INTEGER *ossl_c2i_ASN1_INTEGER(ASN1_INTEGER **a, const unsigned char **pp,
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| 86 | long length);
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| 87 |
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| 88 | /* Internal functions used by x_int64.c */
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| 89 | int ossl_c2i_uint64_int(uint64_t *ret, int *neg, const unsigned char **pp,
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| 90 | long len);
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| 91 | int ossl_i2c_uint64_int(unsigned char *p, uint64_t r, int neg);
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| 92 |
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| 93 | ASN1_TIME *ossl_asn1_time_from_tm(ASN1_TIME *s, struct tm *ts, int type);
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| 94 |
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| 95 | int ossl_asn1_item_ex_new_intern(ASN1_VALUE **pval, const ASN1_ITEM *it,
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| 96 | OSSL_LIB_CTX *libctx, const char *propq);
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