1 /*
2  * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3  * Copyright (c) 2019, Oracle and/or its affiliates.  All rights reserved.
4  *
5  * Licensed under the Apache License 2.0 (the "License").  You may not use
6  * this file except in compliance with the License.  You can obtain a copy
7  * in the file LICENSE in the source distribution or at
8  * https://www.openssl.org/source/license.html
9  */
10 
11 #ifndef OPENSSL_PARAMS_H
12 # define OPENSSL_PARAMS_H
13 # pragma once
14 
15 # include <openssl/core.h>
16 # include <openssl/bn.h>
17 
18 # ifdef  __cplusplus
19 extern "C" {
20 # endif
21 
22 # define OSSL_PARAM_UNMODIFIED ((size_t)-1)
23 
24 # define OSSL_PARAM_END \
25     { NULL, 0, NULL, 0, 0 }
26 
27 # define OSSL_PARAM_DEFN(key, type, addr, sz)    \
28     { (key), (type), (addr), (sz), OSSL_PARAM_UNMODIFIED }
29 
30 /* Basic parameter types without return sizes */
31 # define OSSL_PARAM_int(key, addr) \
32     OSSL_PARAM_DEFN((key), OSSL_PARAM_INTEGER, (addr), sizeof(int))
33 # define OSSL_PARAM_uint(key, addr) \
34     OSSL_PARAM_DEFN((key), OSSL_PARAM_UNSIGNED_INTEGER, (addr), \
35                     sizeof(unsigned int))
36 # define OSSL_PARAM_long(key, addr) \
37     OSSL_PARAM_DEFN((key), OSSL_PARAM_INTEGER, (addr), sizeof(long int))
38 # define OSSL_PARAM_ulong(key, addr) \
39     OSSL_PARAM_DEFN((key), OSSL_PARAM_UNSIGNED_INTEGER, (addr), \
40                     sizeof(unsigned long int))
41 # define OSSL_PARAM_int32(key, addr) \
42     OSSL_PARAM_DEFN((key), OSSL_PARAM_INTEGER, (addr), sizeof(int32_t))
43 # define OSSL_PARAM_uint32(key, addr) \
44     OSSL_PARAM_DEFN((key), OSSL_PARAM_UNSIGNED_INTEGER, (addr), \
45                     sizeof(uint32_t))
46 # define OSSL_PARAM_int64(key, addr) \
47     OSSL_PARAM_DEFN((key), OSSL_PARAM_INTEGER, (addr), sizeof(int64_t))
48 # define OSSL_PARAM_uint64(key, addr) \
49     OSSL_PARAM_DEFN((key), OSSL_PARAM_UNSIGNED_INTEGER, (addr), \
50                     sizeof(uint64_t))
51 # define OSSL_PARAM_size_t(key, addr) \
52     OSSL_PARAM_DEFN((key), OSSL_PARAM_UNSIGNED_INTEGER, (addr), sizeof(size_t))
53 # define OSSL_PARAM_time_t(key, addr) \
54     OSSL_PARAM_DEFN((key), OSSL_PARAM_INTEGER, (addr), sizeof(time_t))
55 # define OSSL_PARAM_double(key, addr) \
56     OSSL_PARAM_DEFN((key), OSSL_PARAM_REAL, (addr), sizeof(double))
57 
58 # define OSSL_PARAM_BN(key, bn, sz) \
59     OSSL_PARAM_DEFN((key), OSSL_PARAM_UNSIGNED_INTEGER, (bn), (sz))
60 # define OSSL_PARAM_utf8_string(key, addr, sz) \
61     OSSL_PARAM_DEFN((key), OSSL_PARAM_UTF8_STRING, (addr), sz)
62 # define OSSL_PARAM_octet_string(key, addr, sz) \
63     OSSL_PARAM_DEFN((key), OSSL_PARAM_OCTET_STRING, (addr), sz)
64 
65 # define OSSL_PARAM_utf8_ptr(key, addr, sz) \
66     OSSL_PARAM_DEFN((key), OSSL_PARAM_UTF8_PTR, (addr), sz)
67 # define OSSL_PARAM_octet_ptr(key, addr, sz) \
68     OSSL_PARAM_DEFN((key), OSSL_PARAM_OCTET_PTR, (addr), sz)
69 
70 /* Search an OSSL_PARAM array for a matching name */
71 OSSL_PARAM *OSSL_PARAM_locate(OSSL_PARAM *p, const char *key);
72 const OSSL_PARAM *OSSL_PARAM_locate_const(const OSSL_PARAM *p, const char *key);
73 
74 /* Basic parameter type run-time construction */
75 OSSL_PARAM OSSL_PARAM_construct_int(const char *key, int *buf);
76 OSSL_PARAM OSSL_PARAM_construct_uint(const char *key, unsigned int *buf);
77 OSSL_PARAM OSSL_PARAM_construct_long(const char *key, long int *buf);
78 OSSL_PARAM OSSL_PARAM_construct_ulong(const char *key, unsigned long int *buf);
79 OSSL_PARAM OSSL_PARAM_construct_int32(const char *key, int32_t *buf);
80 OSSL_PARAM OSSL_PARAM_construct_uint32(const char *key, uint32_t *buf);
81 OSSL_PARAM OSSL_PARAM_construct_int64(const char *key, int64_t *buf);
82 OSSL_PARAM OSSL_PARAM_construct_uint64(const char *key, uint64_t *buf);
83 OSSL_PARAM OSSL_PARAM_construct_size_t(const char *key, size_t *buf);
84 OSSL_PARAM OSSL_PARAM_construct_time_t(const char *key, time_t *buf);
85 OSSL_PARAM OSSL_PARAM_construct_BN(const char *key, unsigned char *buf,
86                                    size_t bsize);
87 OSSL_PARAM OSSL_PARAM_construct_double(const char *key, double *buf);
88 OSSL_PARAM OSSL_PARAM_construct_utf8_string(const char *key, char *buf,
89                                             size_t bsize);
90 OSSL_PARAM OSSL_PARAM_construct_utf8_ptr(const char *key, char **buf,
91                                          size_t bsize);
92 OSSL_PARAM OSSL_PARAM_construct_octet_string(const char *key, void *buf,
93                                              size_t bsize);
94 OSSL_PARAM OSSL_PARAM_construct_octet_ptr(const char *key, void **buf,
95                                           size_t bsize);
96 OSSL_PARAM OSSL_PARAM_construct_end(void);
97 
98 int OSSL_PARAM_allocate_from_text(OSSL_PARAM *to,
99                                   const OSSL_PARAM *paramdefs,
100                                   const char *key, const char *value,
101                                   size_t value_n, int *found);
102 
103 int OSSL_PARAM_get_int(const OSSL_PARAM *p, int *val);
104 int OSSL_PARAM_get_uint(const OSSL_PARAM *p, unsigned int *val);
105 int OSSL_PARAM_get_long(const OSSL_PARAM *p, long int *val);
106 int OSSL_PARAM_get_ulong(const OSSL_PARAM *p, unsigned long int *val);
107 int OSSL_PARAM_get_int32(const OSSL_PARAM *p, int32_t *val);
108 int OSSL_PARAM_get_uint32(const OSSL_PARAM *p, uint32_t *val);
109 int OSSL_PARAM_get_int64(const OSSL_PARAM *p, int64_t *val);
110 int OSSL_PARAM_get_uint64(const OSSL_PARAM *p, uint64_t *val);
111 int OSSL_PARAM_get_size_t(const OSSL_PARAM *p, size_t *val);
112 int OSSL_PARAM_get_time_t(const OSSL_PARAM *p, time_t *val);
113 
114 int OSSL_PARAM_set_int(OSSL_PARAM *p, int val);
115 int OSSL_PARAM_set_uint(OSSL_PARAM *p, unsigned int val);
116 int OSSL_PARAM_set_long(OSSL_PARAM *p, long int val);
117 int OSSL_PARAM_set_ulong(OSSL_PARAM *p, unsigned long int val);
118 int OSSL_PARAM_set_int32(OSSL_PARAM *p, int32_t val);
119 int OSSL_PARAM_set_uint32(OSSL_PARAM *p, uint32_t val);
120 int OSSL_PARAM_set_int64(OSSL_PARAM *p, int64_t val);
121 int OSSL_PARAM_set_uint64(OSSL_PARAM *p, uint64_t val);
122 int OSSL_PARAM_set_size_t(OSSL_PARAM *p, size_t val);
123 int OSSL_PARAM_set_time_t(OSSL_PARAM *p, time_t val);
124 
125 int OSSL_PARAM_get_double(const OSSL_PARAM *p, double *val);
126 int OSSL_PARAM_set_double(OSSL_PARAM *p, double val);
127 
128 int OSSL_PARAM_get_BN(const OSSL_PARAM *p, BIGNUM **val);
129 int OSSL_PARAM_set_BN(OSSL_PARAM *p, const BIGNUM *val);
130 
131 int OSSL_PARAM_get_utf8_string(const OSSL_PARAM *p, char **val, size_t max_len);
132 int OSSL_PARAM_set_utf8_string(OSSL_PARAM *p, const char *val);
133 
134 int OSSL_PARAM_get_octet_string(const OSSL_PARAM *p, void **val, size_t max_len,
135                                 size_t *used_len);
136 int OSSL_PARAM_set_octet_string(OSSL_PARAM *p, const void *val, size_t len);
137 
138 int OSSL_PARAM_get_utf8_ptr(const OSSL_PARAM *p, const char **val);
139 int OSSL_PARAM_set_utf8_ptr(OSSL_PARAM *p, const char *val);
140 
141 int OSSL_PARAM_get_octet_ptr(const OSSL_PARAM *p, const void **val,
142                              size_t *used_len);
143 int OSSL_PARAM_set_octet_ptr(OSSL_PARAM *p, const void *val,
144                              size_t used_len);
145 
146 int OSSL_PARAM_get_utf8_string_ptr(const OSSL_PARAM *p, const char **val);
147 int OSSL_PARAM_get_octet_string_ptr(const OSSL_PARAM *p, const void **val,
148                                     size_t *used_len);
149 
150 int OSSL_PARAM_modified(const OSSL_PARAM *p);
151 void OSSL_PARAM_set_all_unmodified(OSSL_PARAM *p);
152 
153 OSSL_PARAM *OSSL_PARAM_dup(const OSSL_PARAM *p);
154 OSSL_PARAM *OSSL_PARAM_merge(const OSSL_PARAM *p1, const OSSL_PARAM *p2);
155 void OSSL_PARAM_free(OSSL_PARAM *p);
156 
157 # ifdef  __cplusplus
158 }
159 # endif
160 #endif
161