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
12typedef const ASN1_VALUE const_ASN1_VALUE;
13SKM_DEFINE_STACK_OF(const_ASN1_VALUE, const ASN1_VALUE, ASN1_VALUE)
14
15int asn1_time_to_tm(struct tm *tm, const ASN1_TIME *d);
16int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d);
17int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d);
18
19/* ASN1 scan context structure */
20
21struct asn1_sctx_st {
22 /* The ASN1_ITEM associated with this field */
23 const ASN1_ITEM *it;
24 /* If ASN1_TEMPLATE associated with this field */
25 const ASN1_TEMPLATE *tt;
26 /* Various flags associated with field and context */
27 unsigned long flags;
28 /* If SEQUENCE OF or SET OF, field index */
29 int skidx;
30 /* ASN1 depth of field */
31 int depth;
32 /* Structure and field name */
33 const char *sname, *fname;
34 /* If a primitive type the type of underlying field */
35 int prim_type;
36 /* The field value itself */
37 ASN1_VALUE **field;
38 /* Callback to pass information to */
39 int (*scan_cb) (ASN1_SCTX *ctx);
40 /* Context specific application data */
41 void *app_data;
42} /* ASN1_SCTX */ ;
43
44typedef struct mime_param_st MIME_PARAM;
45DEFINE_STACK_OF(MIME_PARAM)
46typedef struct mime_header_st MIME_HEADER;
47DEFINE_STACK_OF(MIME_HEADER)
48
49void asn1_string_embed_free(ASN1_STRING *a, int embed);
50
51int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
52int asn1_get_choice_selector_const(const ASN1_VALUE **pval, const ASN1_ITEM *it);
53int asn1_set_choice_selector(ASN1_VALUE **pval, int value,
54 const ASN1_ITEM *it);
55
56ASN1_VALUE **asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
57const ASN1_VALUE **asn1_get_const_field_ptr(const ASN1_VALUE **pval,
58 const ASN1_TEMPLATE *tt);
59
60const ASN1_TEMPLATE *asn1_do_adb(const ASN1_VALUE *val, const ASN1_TEMPLATE *tt,
61 int nullerr);
62
63int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it);
64
65void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
66void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
67int asn1_enc_restore(int *len, unsigned char **out, const ASN1_VALUE **pval,
68 const ASN1_ITEM *it);
69int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen,
70 const ASN1_ITEM *it);
71
72void asn1_item_embed_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed);
73void asn1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed);
74void asn1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
75
76ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
77 long length);
78int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp);
79ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
80 const unsigned char **pp, long length);
81int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp);
82ASN1_INTEGER *c2i_ASN1_INTEGER(ASN1_INTEGER **a, const unsigned char **pp,
83 long length);
84
85/* Internal functions used by x_int64.c */
86int c2i_uint64_int(uint64_t *ret, int *neg, const unsigned char **pp, long len);
87int i2c_uint64_int(unsigned char *p, uint64_t r, int neg);
88
89ASN1_TIME *asn1_time_from_tm(ASN1_TIME *s, struct tm *ts, int type);
90