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 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); 92 93 int ossl_asn1_item_ex_new_intern(ASN1_VALUE **pval, const ASN1_ITEM *it, 94 OSSL_LIB_CTX *libctx, const char *propq); 95