1 /* 2 * Copyright 2005-2021 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 #include "crypto/asn1.h" 13 14 typedef const ASN1_VALUE const_ASN1_VALUE; 15 SKM_DEFINE_STACK_OF(const_ASN1_VALUE, const ASN1_VALUE, ASN1_VALUE) 16 17 int ossl_asn1_time_to_tm(struct tm *tm, const ASN1_TIME *d); 18 int ossl_asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d); 19 20 /* ASN1 scan context structure */ 21 22 struct asn1_sctx_st { 23 /* The ASN1_ITEM associated with this field */ 24 const ASN1_ITEM *it; 25 /* If ASN1_TEMPLATE associated with this field */ 26 const ASN1_TEMPLATE *tt; 27 /* Various flags associated with field and context */ 28 unsigned long flags; 29 /* If SEQUENCE OF or SET OF, field index */ 30 int skidx; 31 /* ASN1 depth of field */ 32 int depth; 33 /* Structure and field name */ 34 const char *sname, *fname; 35 /* If a primitive type the type of underlying field */ 36 int prim_type; 37 /* The field value itself */ 38 ASN1_VALUE **field; 39 /* Callback to pass information to */ 40 int (*scan_cb) (ASN1_SCTX *ctx); 41 /* Context specific application data */ 42 void *app_data; 43 } /* ASN1_SCTX */ ; 44 45 typedef struct mime_param_st MIME_PARAM; 46 DEFINE_STACK_OF(MIME_PARAM) 47 typedef struct mime_header_st MIME_HEADER; 48 DEFINE_STACK_OF(MIME_HEADER) 49 50 void ossl_asn1_string_embed_free(ASN1_STRING *a, int embed); 51 52 int ossl_asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it); 53 int ossl_asn1_get_choice_selector_const(const ASN1_VALUE **pval, 54 const ASN1_ITEM *it); 55 int ossl_asn1_set_choice_selector(ASN1_VALUE **pval, int value, 56 const ASN1_ITEM *it); 57 58 ASN1_VALUE **ossl_asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); 59 const ASN1_VALUE **ossl_asn1_get_const_field_ptr(const ASN1_VALUE **pval, 60 const ASN1_TEMPLATE *tt); 61 62 const ASN1_TEMPLATE *ossl_asn1_do_adb(const ASN1_VALUE *val, 63 const ASN1_TEMPLATE *tt, 64 int nullerr); 65 66 int ossl_asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it); 67 68 void ossl_asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it); 69 void ossl_asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it); 70 int ossl_asn1_enc_restore(int *len, unsigned char **out, const ASN1_VALUE **pval, 71 const ASN1_ITEM *it); 72 int ossl_asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, 73 const ASN1_ITEM *it); 74 75 void ossl_asn1_item_embed_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed); 76 void ossl_asn1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed); 77 void ossl_asn1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); 78 79 ASN1_OBJECT *ossl_c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, 80 long length); 81 int ossl_i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp); 82 ASN1_BIT_STRING *ossl_c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, 83 const unsigned char **pp, long length); 84 int ossl_i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp); 85 ASN1_INTEGER *ossl_c2i_ASN1_INTEGER(ASN1_INTEGER **a, const unsigned char **pp, 86 long length); 87 88 /* Internal functions used by x_int64.c */ 89 int ossl_c2i_uint64_int(uint64_t *ret, int *neg, const unsigned char **pp, 90 long len); 91 int ossl_i2c_uint64_int(unsigned char *p, uint64_t r, int neg); 92 93 ASN1_TIME *ossl_asn1_time_from_tm(ASN1_TIME *s, struct tm *ts, int type); 94 95 int ossl_asn1_item_ex_new_intern(ASN1_VALUE **pval, const ASN1_ITEM *it, 96 OSSL_LIB_CTX *libctx, const char *propq); 97
