1 | /* |
2 | * Copyright 1995-2019 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 | #ifndef OSSL_INTERNAL_CRYPTLIB_H |
11 | # define OSSL_INTERNAL_CRYPTLIB_H |
12 | |
13 | # include <stdlib.h> |
14 | # include <string.h> |
15 | |
16 | # ifdef OPENSSL_USE_APPLINK |
17 | # define BIO_FLAGS_UPLINK_INTERNAL 0x8000 |
18 | # include "ms/uplink.h" |
19 | # else |
20 | # define BIO_FLAGS_UPLINK_INTERNAL 0 |
21 | # endif |
22 | |
23 | # include <openssl/crypto.h> |
24 | # include <openssl/buffer.h> |
25 | # include <openssl/bio.h> |
26 | # include <openssl/err.h> |
27 | # include "internal/nelem.h" |
28 | |
29 | #ifdef NDEBUG |
30 | # define ossl_assert(x) ((x) != 0) |
31 | #else |
32 | __owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr, |
33 | const char *file, int line) |
34 | { |
35 | if (!expr) |
36 | OPENSSL_die(exprstr, file, line); |
37 | |
38 | return expr; |
39 | } |
40 | |
41 | # define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \ |
42 | __FILE__, __LINE__) |
43 | |
44 | #endif |
45 | |
46 | /* |
47 | * Use this inside a union with the field that needs to be aligned to a |
48 | * reasonable boundary for the platform. The most pessimistic alignment |
49 | * of the listed types will be used by the compiler. |
50 | */ |
51 | # define OSSL_UNION_ALIGN \ |
52 | double align; \ |
53 | ossl_uintmax_t align_int; \ |
54 | void *align_ptr |
55 | |
56 | typedef struct ex_callback_st EX_CALLBACK; |
57 | DEFINE_STACK_OF(EX_CALLBACK) |
58 | |
59 | typedef struct mem_st MEM; |
60 | DEFINE_LHASH_OF(MEM); |
61 | |
62 | # define OPENSSL_CONF "openssl.cnf" |
63 | |
64 | # ifndef OPENSSL_SYS_VMS |
65 | # define X509_CERT_AREA OPENSSLDIR |
66 | # define X509_CERT_DIR OPENSSLDIR "/certs" |
67 | # define X509_CERT_FILE OPENSSLDIR "/cert.pem" |
68 | # define X509_PRIVATE_DIR OPENSSLDIR "/private" |
69 | # define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf" |
70 | # else |
71 | # define X509_CERT_AREA "OSSL$DATAROOT:[000000]" |
72 | # define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]" |
73 | # define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem" |
74 | # define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]" |
75 | # define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf" |
76 | # endif |
77 | |
78 | # define X509_CERT_DIR_EVP "SSL_CERT_DIR" |
79 | # define X509_CERT_FILE_EVP "SSL_CERT_FILE" |
80 | # define CTLOG_FILE_EVP "CTLOG_FILE" |
81 | |
82 | /* size of string representations */ |
83 | # define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1) |
84 | # define HEX_SIZE(type) (sizeof(type)*2) |
85 | |
86 | void OPENSSL_cpuid_setup(void); |
87 | #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ |
88 | defined(__x86_64) || defined(__x86_64__) || \ |
89 | defined(_M_AMD64) || defined(_M_X64) |
90 | extern unsigned int OPENSSL_ia32cap_P[]; |
91 | #endif |
92 | void OPENSSL_showfatal(const char *fmta, ...); |
93 | int do_ex_data_init(OPENSSL_CTX *ctx); |
94 | void crypto_cleanup_all_ex_data_int(OPENSSL_CTX *ctx); |
95 | int openssl_init_fork_handlers(void); |
96 | int openssl_get_fork_id(void); |
97 | |
98 | char *ossl_safe_getenv(const char *name); |
99 | |
100 | extern CRYPTO_RWLOCK *memdbg_lock; |
101 | int openssl_strerror_r(int errnum, char *buf, size_t buflen); |
102 | # if !defined(OPENSSL_NO_STDIO) |
103 | FILE *openssl_fopen(const char *filename, const char *mode); |
104 | # else |
105 | void *openssl_fopen(const char *filename, const char *mode); |
106 | # endif |
107 | |
108 | uint32_t OPENSSL_rdtsc(void); |
109 | size_t OPENSSL_instrument_bus(unsigned int *, size_t); |
110 | size_t OPENSSL_instrument_bus2(unsigned int *, size_t, size_t); |
111 | |
112 | /* ex_data structures */ |
113 | |
114 | /* |
115 | * Each structure type (sometimes called a class), that supports |
116 | * exdata has a stack of callbacks for each instance. |
117 | */ |
118 | struct ex_callback_st { |
119 | long argl; /* Arbitrary long */ |
120 | void *argp; /* Arbitrary void * */ |
121 | CRYPTO_EX_new *new_func; |
122 | CRYPTO_EX_free *free_func; |
123 | CRYPTO_EX_dup *dup_func; |
124 | }; |
125 | |
126 | /* |
127 | * The state for each class. This could just be a typedef, but |
128 | * a structure allows future changes. |
129 | */ |
130 | typedef struct ex_callbacks_st { |
131 | STACK_OF(EX_CALLBACK) *meth; |
132 | } EX_CALLBACKS; |
133 | |
134 | typedef struct ossl_ex_data_global_st { |
135 | CRYPTO_RWLOCK *ex_data_lock; |
136 | EX_CALLBACKS ex_data[CRYPTO_EX_INDEX__COUNT]; |
137 | } OSSL_EX_DATA_GLOBAL; |
138 | |
139 | |
140 | /* OPENSSL_CTX */ |
141 | |
142 | # define OPENSSL_CTX_PROVIDER_STORE_RUN_ONCE_INDEX 0 |
143 | # define OPENSSL_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX 1 |
144 | # define OPENSSL_CTX_METHOD_STORE_RUN_ONCE_INDEX 2 |
145 | # define OPENSSL_CTX_MAX_RUN_ONCE 3 |
146 | |
147 | # define OPENSSL_CTX_EVP_METHOD_STORE_INDEX 0 |
148 | # define OPENSSL_CTX_PROVIDER_STORE_INDEX 1 |
149 | # define OPENSSL_CTX_PROPERTY_DEFN_INDEX 2 |
150 | # define OPENSSL_CTX_PROPERTY_STRING_INDEX 3 |
151 | # define OPENSSL_CTX_NAMEMAP_INDEX 4 |
152 | # define OPENSSL_CTX_DRBG_INDEX 5 |
153 | # define OPENSSL_CTX_DRBG_NONCE_INDEX 6 |
154 | # define OPENSSL_CTX_RAND_CRNGT_INDEX 7 |
155 | # define OPENSSL_CTX_THREAD_EVENT_HANDLER_INDEX 8 |
156 | # define OPENSSL_CTX_FIPS_PROV_INDEX 9 |
157 | # define OPENSSL_CTX_SERIALIZER_STORE_INDEX 10 |
158 | # define OPENSSL_CTX_MAX_INDEXES 11 |
159 | |
160 | typedef struct openssl_ctx_method { |
161 | void *(*new_func)(OPENSSL_CTX *ctx); |
162 | void (*free_func)(void *); |
163 | } OPENSSL_CTX_METHOD; |
164 | |
165 | OPENSSL_CTX *openssl_ctx_get_concrete(OPENSSL_CTX *ctx); |
166 | |
167 | /* Functions to retrieve pointers to data by index */ |
168 | void *openssl_ctx_get_data(OPENSSL_CTX *, int /* index */, |
169 | const OPENSSL_CTX_METHOD * ctx); |
170 | |
171 | void openssl_ctx_default_deinit(void); |
172 | OSSL_EX_DATA_GLOBAL *openssl_ctx_get_ex_data_global(OPENSSL_CTX *ctx); |
173 | typedef int (openssl_ctx_run_once_fn)(OPENSSL_CTX *ctx); |
174 | typedef void (openssl_ctx_onfree_fn)(OPENSSL_CTX *ctx); |
175 | |
176 | int openssl_ctx_run_once(OPENSSL_CTX *ctx, unsigned int idx, |
177 | openssl_ctx_run_once_fn run_once_fn); |
178 | int openssl_ctx_onfree(OPENSSL_CTX *ctx, openssl_ctx_onfree_fn onfreefn); |
179 | |
180 | OPENSSL_CTX *crypto_ex_data_get_openssl_ctx(const CRYPTO_EX_DATA *ad); |
181 | int crypto_new_ex_data_ex(OPENSSL_CTX *ctx, int class_index, void *obj, |
182 | CRYPTO_EX_DATA *ad); |
183 | int crypto_get_ex_new_index_ex(OPENSSL_CTX *ctx, int class_index, |
184 | long argl, void *argp, |
185 | CRYPTO_EX_new *new_func, |
186 | CRYPTO_EX_dup *dup_func, |
187 | CRYPTO_EX_free *free_func); |
188 | int crypto_free_ex_index_ex(OPENSSL_CTX *ctx, int class_index, int idx); |
189 | |
190 | /* Function for simple binary search */ |
191 | |
192 | /* Flags */ |
193 | # define OSSL_BSEARCH_VALUE_ON_NOMATCH 0x01 |
194 | # define OSSL_BSEARCH_FIRST_VALUE_ON_MATCH 0x02 |
195 | |
196 | const void *ossl_bsearch(const void *key, const void *base, int num, |
197 | int size, int (*cmp) (const void *, const void *), |
198 | int flags); |
199 | |
200 | #endif |
201 | |