2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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
10 #ifndef OSSL_INTERNAL_CRYPTLIB_H
11 # define OSSL_INTERNAL_CRYPTLIB_H
16 # ifdef OPENSSL_USE_APPLINK
17 # define BIO_FLAGS_UPLINK_INTERNAL 0x8000
18 # include "ms/uplink.h"
20 # define BIO_FLAGS_UPLINK_INTERNAL 0
23 # include <openssl/crypto.h>
24 # include <openssl/buffer.h>
25 # include <openssl/bio.h>
26 # include <openssl/asn1.h>
27 # include <openssl/err.h>
28 # include "internal/nelem.h"
31 # define ossl_assert(x) ((x) != 0)
33 __owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr,
34 const char *file, int line)
37 OPENSSL_die(exprstr, file, line);
42 # define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \
48 * Use this inside a union with the field that needs to be aligned to a
49 * reasonable boundary for the platform. The most pessimistic alignment
50 * of the listed types will be used by the compiler.
52 # define OSSL_UNION_ALIGN \
54 ossl_uintmax_t align_int; \
57 typedef struct ex_callback_st EX_CALLBACK;
58 DEFINE_STACK_OF(EX_CALLBACK)
60 typedef struct mem_st MEM;
63 # define OPENSSL_CONF "openssl.cnf"
65 # ifndef OPENSSL_SYS_VMS
66 # define X509_CERT_AREA OPENSSLDIR
67 # define X509_CERT_DIR OPENSSLDIR "/certs"
68 # define X509_CERT_FILE OPENSSLDIR "/cert.pem"
69 # define X509_PRIVATE_DIR OPENSSLDIR "/private"
70 # define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf"
72 # define X509_CERT_AREA "OSSL$DATAROOT:[000000]"
73 # define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]"
74 # define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem"
75 # define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]"
76 # define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf"
79 # define X509_CERT_DIR_EVP "SSL_CERT_DIR"
80 # define X509_CERT_FILE_EVP "SSL_CERT_FILE"
81 # define CTLOG_FILE_EVP "CTLOG_FILE"
83 /* size of string representations */
84 # define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
85 # define HEX_SIZE(type) (sizeof(type)*2)
87 void OPENSSL_cpuid_setup(void);
88 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
89 defined(__x86_64) || defined(__x86_64__) || \
90 defined(_M_AMD64) || defined(_M_X64)
91 extern unsigned int OPENSSL_ia32cap_P[];
93 void OPENSSL_showfatal(const char *fmta, ...);
94 int do_ex_data_init(OPENSSL_CTX *ctx);
95 void crypto_cleanup_all_ex_data_int(OPENSSL_CTX *ctx);
96 int openssl_init_fork_handlers(void);
97 int openssl_get_fork_id(void);
99 char *ossl_safe_getenv(const char *name);
101 extern CRYPTO_RWLOCK *memdbg_lock;
102 int openssl_strerror_r(int errnum, char *buf, size_t buflen);
103 # if !defined(OPENSSL_NO_STDIO)
104 FILE *openssl_fopen(const char *filename, const char *mode);
106 void *openssl_fopen(const char *filename, const char *mode);
109 uint32_t OPENSSL_rdtsc(void);
110 size_t OPENSSL_instrument_bus(unsigned int *, size_t);
111 size_t OPENSSL_instrument_bus2(unsigned int *, size_t, size_t);
113 /* ex_data structures */
116 * Each structure type (sometimes called a class), that supports
117 * exdata has a stack of callbacks for each instance.
119 struct ex_callback_st {
120 long argl; /* Arbitrary long */
121 void *argp; /* Arbitrary void * */
122 CRYPTO_EX_new *new_func;
123 CRYPTO_EX_free *free_func;
124 CRYPTO_EX_dup *dup_func;
128 * The state for each class. This could just be a typedef, but
129 * a structure allows future changes.
131 typedef struct ex_callbacks_st {
132 STACK_OF(EX_CALLBACK) *meth;
135 typedef struct ossl_ex_data_global_st {
136 CRYPTO_RWLOCK *ex_data_lock;
137 EX_CALLBACKS ex_data[CRYPTO_EX_INDEX__COUNT];
138 } OSSL_EX_DATA_GLOBAL;
143 # define OPENSSL_CTX_PROVIDER_STORE_RUN_ONCE_INDEX 0
144 # define OPENSSL_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX 1
145 # define OPENSSL_CTX_METHOD_STORE_RUN_ONCE_INDEX 2
146 # define OPENSSL_CTX_MAX_RUN_ONCE 3
148 # define OPENSSL_CTX_EVP_METHOD_STORE_INDEX 0
149 # define OPENSSL_CTX_PROVIDER_STORE_INDEX 1
150 # define OPENSSL_CTX_PROPERTY_DEFN_INDEX 2
151 # define OPENSSL_CTX_PROPERTY_STRING_INDEX 3
152 # define OPENSSL_CTX_NAMEMAP_INDEX 4
153 # define OPENSSL_CTX_DRBG_INDEX 5
154 # define OPENSSL_CTX_DRBG_NONCE_INDEX 6
155 # define OPENSSL_CTX_RAND_CRNGT_INDEX 7
156 # define OPENSSL_CTX_THREAD_EVENT_HANDLER_INDEX 8
157 # define OPENSSL_CTX_FIPS_PROV_INDEX 9
158 # define OPENSSL_CTX_SERIALIZER_STORE_INDEX 10
159 # define OPENSSL_CTX_SELF_TEST_CB_INDEX 11
160 # define OPENSSL_CTX_BIO_PROV_INDEX 12
161 # define OPENSSL_CTX_MAX_INDEXES 13
163 typedef struct openssl_ctx_method {
164 void *(*new_func)(OPENSSL_CTX *ctx);
165 void (*free_func)(void *);
166 } OPENSSL_CTX_METHOD;
168 OPENSSL_CTX *openssl_ctx_get_concrete(OPENSSL_CTX *ctx);
169 int openssl_ctx_is_default(OPENSSL_CTX *ctx);
171 /* Functions to retrieve pointers to data by index */
172 void *openssl_ctx_get_data(OPENSSL_CTX *, int /* index */,
173 const OPENSSL_CTX_METHOD * ctx);
175 void openssl_ctx_default_deinit(void);
176 OSSL_EX_DATA_GLOBAL *openssl_ctx_get_ex_data_global(OPENSSL_CTX *ctx);
177 typedef int (openssl_ctx_run_once_fn)(OPENSSL_CTX *ctx);
178 typedef void (openssl_ctx_onfree_fn)(OPENSSL_CTX *ctx);
180 int openssl_ctx_run_once(OPENSSL_CTX *ctx, unsigned int idx,
181 openssl_ctx_run_once_fn run_once_fn);
182 int openssl_ctx_onfree(OPENSSL_CTX *ctx, openssl_ctx_onfree_fn onfreefn);
184 OPENSSL_CTX *crypto_ex_data_get_openssl_ctx(const CRYPTO_EX_DATA *ad);
185 int crypto_new_ex_data_ex(OPENSSL_CTX *ctx, int class_index, void *obj,
187 int crypto_get_ex_new_index_ex(OPENSSL_CTX *ctx, int class_index,
188 long argl, void *argp,
189 CRYPTO_EX_new *new_func,
190 CRYPTO_EX_dup *dup_func,
191 CRYPTO_EX_free *free_func);
192 int crypto_free_ex_index_ex(OPENSSL_CTX *ctx, int class_index, int idx);
194 /* Function for simple binary search */
197 # define OSSL_BSEARCH_VALUE_ON_NOMATCH 0x01
198 # define OSSL_BSEARCH_FIRST_VALUE_ON_MATCH 0x02
200 const void *ossl_bsearch(const void *key, const void *base, int num,
201 int size, int (*cmp) (const void *, const void *),
204 /* system-specific variants defining ossl_sleep() */
205 #ifdef OPENSSL_SYS_UNIX
207 static ossl_inline void ossl_sleep(unsigned long millis)
209 # ifdef OPENSSL_SYS_VXWORKS
211 ts.tv_sec = (long int) (millis / 1000);
212 ts.tv_nsec = (long int) (millis % 1000) * 1000000ul;
213 nanosleep(&ts, NULL);
215 usleep(millis * 1000);
218 #elif defined(_WIN32)
219 # include <windows.h>
220 static ossl_inline void ossl_sleep(unsigned long millis)
225 /* Fallback to a busy wait */
226 static ossl_inline void ossl_sleep(unsigned long millis)
228 struct timeval start, now;
229 unsigned long elapsedms;
231 gettimeofday(&start, NULL);
233 gettimeofday(&now, NULL);
234 elapsedms = (((now.tv_sec - start.tv_sec) * 1000000)
235 + now.tv_usec - start.tv_usec) / 1000;
236 } while (elapsedms < millis);
238 #endif /* defined OPENSSL_SYS_UNIX */
240 char *sk_ASN1_UTF8STRING2text(STACK_OF(ASN1_UTF8STRING) *text, const char *sep,
242 char *ipaddr_to_asc(unsigned char *p, int len);
244 char *openssl_buf2hexstr_sep(const unsigned char *buf, long buflen, char sep);
245 unsigned char *openssl_hexstr2buf_sep(const char *str, long *buflen,