1 /* ====================================================================
2 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
49 * This product includes cryptographic software written by Eric Young
50 * (eay@cryptsoft.com). This product includes software written by Tim
51 * Hudson (tjh@cryptsoft.com). */
53 #ifndef OPENSSL_HEADER_BASE_H
54 #define OPENSSL_HEADER_BASE_H
57 // This file should be the first included by all BoringSSL headers.
61 #include <sys/types.h>
63 #if defined(__MINGW32__)
64 // stdio.h is needed on MinGW for __MINGW_PRINTF_FORMAT.
68 // Include a BoringSSL-only header so consumers including this header without
69 // setting up include paths do not accidentally pick up the system
71 #include <openssl/is_boringssl.h>
72 #include <openssl/opensslconf.h>
74 #if defined(BORINGSSL_PREFIX)
75 #include <boringssl_prefix_symbols.h>
78 #if defined(__cplusplus)
83 #if defined(__x86_64) || defined(_M_AMD64) || defined(_M_X64)
84 #define OPENSSL_64_BIT
85 #define OPENSSL_X86_64
86 #elif defined(__x86) || defined(__i386) || defined(__i386__) || defined(_M_IX86)
87 #define OPENSSL_32_BIT
89 #elif defined(__aarch64__)
90 #define OPENSSL_64_BIT
91 #define OPENSSL_AARCH64
92 #elif defined(__arm) || defined(__arm__) || defined(_M_ARM)
93 #define OPENSSL_32_BIT
95 #elif (defined(__PPC64__) || defined(__powerpc64__)) && defined(_LITTLE_ENDIAN)
96 #define OPENSSL_64_BIT
97 #define OPENSSL_PPC64LE
98 #elif defined(__mips__) && !defined(__LP64__)
99 #define OPENSSL_32_BIT
101 #elif defined(__mips__) && defined(__LP64__)
102 #define OPENSSL_64_BIT
103 #define OPENSSL_MIPS64
104 #elif defined(__pnacl__)
105 #define OPENSSL_32_BIT
106 #define OPENSSL_PNACL
107 #elif defined(__wasm__)
108 #define OPENSSL_32_BIT
109 #elif defined(__asmjs__)
110 #define OPENSSL_32_BIT
111 #elif defined(__myriad2__)
112 #define OPENSSL_32_BIT
114 // Note BoringSSL only supports standard 32-bit and 64-bit two's-complement,
115 // little-endian architectures. Functions will not produce the correct answer
116 // on other systems. Run the crypto_test binary, notably
117 // crypto/compiler_test.cc, before adding a new architecture.
118 #error "Unknown target CPU"
121 #if defined(__APPLE__)
122 #define OPENSSL_APPLE
126 #define OPENSSL_WINDOWS
129 #if defined(__linux__)
130 #define OPENSSL_LINUX
133 #if defined(__Fuchsia__)
134 #define OPENSSL_FUCHSIA
138 #define OPENSSL_TRUSTY
139 #define OPENSSL_NO_THREADS
142 #if !defined(OPENSSL_NO_THREADS)
143 #define OPENSSL_THREADS
146 #define OPENSSL_IS_BORINGSSL
147 #define OPENSSL_VERSION_NUMBER 0x1010007f
148 #define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
150 // BORINGSSL_API_VERSION is a positive integer that increments as BoringSSL
151 // changes over time. The value itself is not meaningful. It will be incremented
152 // whenever is convenient to coordinate an API change with consumers. This will
153 // not denote any special point in development.
155 // A consumer may use this symbol in the preprocessor to temporarily build
156 // against multiple revisions of BoringSSL at the same time. It is not
157 // recommended to do so for longer than is necessary.
158 #define BORINGSSL_API_VERSION 7
160 #if defined(BORINGSSL_SHARED_LIBRARY)
162 #if defined(OPENSSL_WINDOWS)
164 #if defined(BORINGSSL_IMPLEMENTATION)
165 #define OPENSSL_EXPORT __declspec(dllexport)
167 #define OPENSSL_EXPORT __declspec(dllimport)
170 #else // defined(OPENSSL_WINDOWS)
172 #if defined(BORINGSSL_IMPLEMENTATION)
173 #define OPENSSL_EXPORT __attribute__((visibility("default")))
175 #define OPENSSL_EXPORT
178 #endif // defined(OPENSSL_WINDOWS)
180 #else // defined(BORINGSSL_SHARED_LIBRARY)
182 #define OPENSSL_EXPORT
184 #endif // defined(BORINGSSL_SHARED_LIBRARY)
187 #if defined(__GNUC__) || defined(__clang__)
188 // MinGW has two different printf implementations. Ensure the format macro
189 // matches the selected implementation. See
190 // https://sourceforge.net/p/mingw-w64/wiki2/gnu%20printf/.
191 #if defined(__MINGW_PRINTF_FORMAT)
192 #define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check) \
194 (__format__(__MINGW_PRINTF_FORMAT, string_index, first_to_check)))
196 #define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check) \
197 __attribute__((__format__(__printf__, string_index, first_to_check)))
200 #define OPENSSL_PRINTF_FORMAT_FUNC(string_index, first_to_check)
203 // OPENSSL_MSVC_PRAGMA emits a pragma on MSVC and nothing on other compilers.
204 #if defined(_MSC_VER)
205 #define OPENSSL_MSVC_PRAGMA(arg) __pragma(arg)
207 #define OPENSSL_MSVC_PRAGMA(arg)
210 #if defined(__GNUC__) || defined(__clang__)
211 #define OPENSSL_UNUSED __attribute__((unused))
213 #define OPENSSL_UNUSED
216 #if defined(BORINGSSL_UNSAFE_FUZZER_MODE) && \
217 !defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
218 #define BORINGSSL_UNSAFE_DETERMINISTIC_MODE
221 #if defined(__has_feature)
222 #if __has_feature(address_sanitizer)
225 #if __has_feature(memory_sanitizer)
230 // CRYPTO_THREADID is a dummy value.
231 typedef int CRYPTO_THREADID;
233 typedef int ASN1_BOOLEAN;
234 typedef int ASN1_NULL;
235 typedef struct ASN1_ITEM_st ASN1_ITEM;
236 typedef struct asn1_object_st ASN1_OBJECT;
237 typedef struct asn1_pctx_st ASN1_PCTX;
238 typedef struct asn1_string_st ASN1_BIT_STRING;
239 typedef struct asn1_string_st ASN1_BMPSTRING;
240 typedef struct asn1_string_st ASN1_ENUMERATED;
241 typedef struct asn1_string_st ASN1_GENERALIZEDTIME;
242 typedef struct asn1_string_st ASN1_GENERALSTRING;
243 typedef struct asn1_string_st ASN1_IA5STRING;
244 typedef struct asn1_string_st ASN1_INTEGER;
245 typedef struct asn1_string_st ASN1_OCTET_STRING;
246 typedef struct asn1_string_st ASN1_PRINTABLESTRING;
247 typedef struct asn1_string_st ASN1_STRING;
248 typedef struct asn1_string_st ASN1_T61STRING;
249 typedef struct asn1_string_st ASN1_TIME;
250 typedef struct asn1_string_st ASN1_UNIVERSALSTRING;
251 typedef struct asn1_string_st ASN1_UTCTIME;
252 typedef struct asn1_string_st ASN1_UTF8STRING;
253 typedef struct asn1_string_st ASN1_VISIBLESTRING;
254 typedef struct asn1_type_st ASN1_TYPE;
255 typedef struct AUTHORITY_KEYID_st AUTHORITY_KEYID;
256 typedef struct BASIC_CONSTRAINTS_st BASIC_CONSTRAINTS;
257 typedef struct DIST_POINT_st DIST_POINT;
258 typedef struct DSA_SIG_st DSA_SIG;
259 typedef struct ISSUING_DIST_POINT_st ISSUING_DIST_POINT;
260 typedef struct NAME_CONSTRAINTS_st NAME_CONSTRAINTS;
261 typedef struct Netscape_spkac_st NETSCAPE_SPKAC;
262 typedef struct Netscape_spki_st NETSCAPE_SPKI;
263 typedef struct RIPEMD160state_st RIPEMD160_CTX;
264 typedef struct X509_POLICY_CACHE_st X509_POLICY_CACHE;
265 typedef struct X509_POLICY_LEVEL_st X509_POLICY_LEVEL;
266 typedef struct X509_POLICY_NODE_st X509_POLICY_NODE;
267 typedef struct X509_POLICY_TREE_st X509_POLICY_TREE;
268 typedef struct X509_VERIFY_PARAM_st X509_VERIFY_PARAM;
269 typedef struct X509_algor_st X509_ALGOR;
270 typedef struct X509_crl_info_st X509_CRL_INFO;
271 typedef struct X509_crl_st X509_CRL;
272 typedef struct X509_extension_st X509_EXTENSION;
273 typedef struct X509_info_st X509_INFO;
274 typedef struct X509_name_entry_st X509_NAME_ENTRY;
275 typedef struct X509_name_st X509_NAME;
276 typedef struct X509_pubkey_st X509_PUBKEY;
277 typedef struct X509_req_info_st X509_REQ_INFO;
278 typedef struct X509_req_st X509_REQ;
279 typedef struct X509_sig_st X509_SIG;
280 typedef struct X509_val_st X509_VAL;
281 typedef struct bignum_ctx BN_CTX;
282 typedef struct bignum_st BIGNUM;
283 typedef struct bio_method_st BIO_METHOD;
284 typedef struct bio_st BIO;
285 typedef struct bn_gencb_st BN_GENCB;
286 typedef struct bn_mont_ctx_st BN_MONT_CTX;
287 typedef struct buf_mem_st BUF_MEM;
288 typedef struct cbb_st CBB;
289 typedef struct cbs_st CBS;
290 typedef struct cmac_ctx_st CMAC_CTX;
291 typedef struct conf_st CONF;
292 typedef struct conf_value_st CONF_VALUE;
293 typedef struct crypto_buffer_pool_st CRYPTO_BUFFER_POOL;
294 typedef struct crypto_buffer_st CRYPTO_BUFFER;
295 typedef struct dh_st DH;
296 typedef struct dsa_st DSA;
297 typedef struct ec_group_st EC_GROUP;
298 typedef struct ec_key_st EC_KEY;
299 typedef struct ec_point_st EC_POINT;
300 typedef struct ecdsa_method_st ECDSA_METHOD;
301 typedef struct ecdsa_sig_st ECDSA_SIG;
302 typedef struct engine_st ENGINE;
303 typedef struct env_md_ctx_st EVP_MD_CTX;
304 typedef struct env_md_st EVP_MD;
305 typedef struct evp_aead_st EVP_AEAD;
306 typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
307 typedef struct evp_cipher_st EVP_CIPHER;
308 typedef struct evp_encode_ctx_st EVP_ENCODE_CTX;
309 typedef struct evp_pkey_asn1_method_st EVP_PKEY_ASN1_METHOD;
310 typedef struct evp_pkey_ctx_st EVP_PKEY_CTX;
311 typedef struct evp_pkey_method_st EVP_PKEY_METHOD;
312 typedef struct evp_pkey_st EVP_PKEY;
313 typedef struct hmac_ctx_st HMAC_CTX;
314 typedef struct md4_state_st MD4_CTX;
315 typedef struct md5_state_st MD5_CTX;
316 typedef struct ossl_init_settings_st OPENSSL_INIT_SETTINGS;
317 typedef struct pkcs12_st PKCS12;
318 typedef struct pkcs8_priv_key_info_st PKCS8_PRIV_KEY_INFO;
319 typedef struct private_key_st X509_PKEY;
320 typedef struct rand_meth_st RAND_METHOD;
321 typedef struct rc4_key_st RC4_KEY;
322 typedef struct rsa_meth_st RSA_METHOD;
323 typedef struct rsa_st RSA;
324 typedef struct sha256_state_st SHA256_CTX;
325 typedef struct sha512_state_st SHA512_CTX;
326 typedef struct sha_state_st SHA_CTX;
327 typedef struct spake2_ctx_st SPAKE2_CTX;
328 typedef struct srtp_protection_profile_st SRTP_PROTECTION_PROFILE;
329 typedef struct ssl_cipher_st SSL_CIPHER;
330 typedef struct ssl_ctx_st SSL_CTX;
331 typedef struct ssl_method_st SSL_METHOD;
332 typedef struct ssl_private_key_method_st SSL_PRIVATE_KEY_METHOD;
333 typedef struct ssl_session_st SSL_SESSION;
334 typedef struct ssl_st SSL;
335 typedef struct ssl_ticket_aead_method_st SSL_TICKET_AEAD_METHOD;
336 typedef struct st_ERR_FNS ERR_FNS;
337 typedef struct v3_ext_ctx X509V3_CTX;
338 typedef struct x509_attributes_st X509_ATTRIBUTE;
339 typedef struct x509_cert_aux_st X509_CERT_AUX;
340 typedef struct x509_cinf_st X509_CINF;
341 typedef struct x509_crl_method_st X509_CRL_METHOD;
342 typedef struct x509_lookup_st X509_LOOKUP;
343 typedef struct x509_revoked_st X509_REVOKED;
344 typedef struct x509_st X509;
345 typedef struct x509_store_ctx_st X509_STORE_CTX;
346 typedef struct x509_store_st X509_STORE;
347 typedef struct x509_trust_st X509_TRUST;
349 typedef void *OPENSSL_BLOCK;
352 #if defined(__cplusplus)
354 #elif !defined(BORINGSSL_NO_CXX)
355 #define BORINGSSL_NO_CXX
358 // MSVC doesn't set __cplusplus to 201103 to indicate C++11 support (see
359 // https://connect.microsoft.com/VisualStudio/feedback/details/763051/a-value-of-predefined-macro-cplusplus-is-still-199711l)
360 // so MSVC is just assumed to support C++11.
361 #if !defined(BORINGSSL_NO_CXX) && __cplusplus < 201103L && !defined(_MSC_VER)
362 #define BORINGSSL_NO_CXX
365 #if !defined(BORINGSSL_NO_CXX)
370 // STLPort, used by some Android consumers, not have std::unique_ptr.
371 #if defined(_STLPORT_VERSION)
372 #define BORINGSSL_NO_CXX
376 #endif // !BORINGSSL_NO_CXX
378 #if defined(BORINGSSL_NO_CXX)
380 #define BORINGSSL_MAKE_DELETER(type, deleter)
390 // The Enable parameter is ignored and only exists so specializations can use
392 template <typename T, typename Enable = void>
393 struct DeleterImpl {};
395 template <typename T>
397 void operator()(T *ptr) {
398 // Rather than specialize Deleter for each type, we specialize
399 // DeleterImpl. This allows bssl::UniquePtr<T> to be used while only
400 // including base.h as long as the destructor is not emitted. This matches
401 // std::unique_ptr's behavior on forward-declared types.
403 // DeleterImpl itself is specialized in the corresponding module's header
404 // and must be included to release an object. If not included, the compiler
405 // will error that DeleterImpl<T> does not have a method Free.
406 DeleterImpl<T>::Free(ptr);
410 template <typename T, typename CleanupRet, void (*init)(T *),
411 CleanupRet (*cleanup)(T *)>
412 class StackAllocated {
414 StackAllocated() { init(&ctx_); }
415 ~StackAllocated() { cleanup(&ctx_); }
417 StackAllocated(const StackAllocated<T, CleanupRet, init, cleanup> &) = delete;
418 T& operator=(const StackAllocated<T, CleanupRet, init, cleanup> &) = delete;
420 T *get() { return &ctx_; }
421 const T *get() const { return &ctx_; }
423 T *operator->() { return &ctx_; }
424 const T *operator->() const { return &ctx_; }
435 } // namespace internal
437 #define BORINGSSL_MAKE_DELETER(type, deleter) \
438 namespace internal { \
440 struct DeleterImpl<type> { \
441 static void Free(type *ptr) { deleter(ptr); } \
445 // Holds ownership of heap-allocated BoringSSL structures. Sample usage:
446 // bssl::UniquePtr<RSA> rsa(RSA_new());
447 // bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_mem()));
448 template <typename T>
449 using UniquePtr = std::unique_ptr<T, internal::Deleter<T>>;
455 #endif // !BORINGSSL_NO_CXX
457 #endif // OPENSSL_HEADER_BASE_H