diff options
Diffstat (limited to 'extension/openssl/macros.h')
| -rw-r--r-- | extension/openssl/macros.h | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/extension/openssl/macros.h b/extension/openssl/macros.h new file mode 100644 index 0000000..bcd42ec --- /dev/null +++ b/extension/openssl/macros.h @@ -0,0 +1,325 @@ +/* + * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef OPENSSL_MACROS_H +# define OPENSSL_MACROS_H +# pragma once + +#include <openssl/opensslconf.h> +#include <openssl/opensslv.h> + + +/* Helper macros for CPP string composition */ +# define OPENSSL_MSTR_HELPER(x) #x +# define OPENSSL_MSTR(x) OPENSSL_MSTR_HELPER(x) + +/* + * Sometimes OPENSSL_NO_xxx ends up with an empty file and some compilers + * don't like that. This will hopefully silence them. + */ +# define NON_EMPTY_TRANSLATION_UNIT static void *dummy = &dummy; + +/* + * Generic deprecation macro + * + * If OPENSSL_SUPPRESS_DEPRECATED is defined, then OSSL_DEPRECATED and + * OSSL_DEPRECATED_FOR become no-ops + */ +# ifndef OSSL_DEPRECATED +# undef OSSL_DEPRECATED_FOR +# ifndef OPENSSL_SUPPRESS_DEPRECATED +# if defined(_MSC_VER) + /* + * MSVC supports __declspec(deprecated) since MSVC 2003 (13.10), + * and __declspec(deprecated(message)) since MSVC 2005 (14.00) + */ +# if _MSC_VER >= 1400 +# define OSSL_DEPRECATED(since) \ + __declspec(deprecated("Since OpenSSL " # since)) +# define OSSL_DEPRECATED_FOR(since, message) \ + __declspec(deprecated("Since OpenSSL " # since ";" message)) +# elif _MSC_VER >= 1310 +# define OSSL_DEPRECATED(since) __declspec(deprecated) +# define OSSL_DEPRECATED_FOR(since, message) __declspec(deprecated) +# endif +# elif defined(__GNUC__) + /* + * According to GCC documentation, deprecations with message appeared in + * GCC 4.5.0 + */ +# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +# define OSSL_DEPRECATED(since) \ + __attribute__((deprecated("Since OpenSSL " # since))) +# define OSSL_DEPRECATED_FOR(since, message) \ + __attribute__((deprecated("Since OpenSSL " # since ";" message))) +# elif __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 0) +# define OSSL_DEPRECATED(since) __attribute__((deprecated)) +# define OSSL_DEPRECATED_FOR(since, message) __attribute__((deprecated)) +# endif +# elif defined(__SUNPRO_C) +# if (__SUNPRO_C >= 0x5130) +# define OSSL_DEPRECATED(since) __attribute__ ((deprecated)) +# define OSSL_DEPRECATED_FOR(since, message) __attribute__ ((deprecated)) +# endif +# endif +# endif +# endif + +/* + * Still not defined? Then define no-op macros. This means these macros + * are unsuitable for use in a typedef. + */ +# ifndef OSSL_DEPRECATED +# define OSSL_DEPRECATED(since) extern +# define OSSL_DEPRECATED_FOR(since, message) extern +# endif + +/* + * Applications should use -DOPENSSL_API_COMPAT=<version> to suppress the + * declarations of functions deprecated in or before <version>. If this is + * undefined, the value of the macro OPENSSL_CONFIGURED_API (defined in + * <openssl/opensslconf.h>) is the default. + * + * For any version number up until version 1.1.x, <version> is expected to be + * the calculated version number 0xMNNFFPPSL. + * For version numbers 3.0 and on, <version> is expected to be a computation + * of the major and minor numbers in decimal using this formula: + * + * MAJOR * 10000 + MINOR * 100 + * + * So version 3.0 becomes 30000, version 3.2 becomes 30200, etc. + */ + +/* + * We use the OPENSSL_API_COMPAT value to define API level macros. These + * macros are used to enable or disable features at that API version boundary. + */ + +# ifdef OPENSSL_API_LEVEL +# error "OPENSSL_API_LEVEL must not be defined by application" +# endif + +/* + * We figure out what API level was intended by simple numeric comparison. + * The lowest old style number we recognise is 0x00908000L, so we take some + * safety margin and assume that anything below 0x00900000L is a new style + * number. This allows new versions up to and including v943.71.83. + */ +# ifdef OPENSSL_API_COMPAT +# if OPENSSL_API_COMPAT < 0x900000L +# define OPENSSL_API_LEVEL (OPENSSL_API_COMPAT) +# else +# define OPENSSL_API_LEVEL \ + (((OPENSSL_API_COMPAT >> 28) & 0xF) * 10000 \ + + ((OPENSSL_API_COMPAT >> 20) & 0xFF) * 100 \ + + ((OPENSSL_API_COMPAT >> 12) & 0xFF)) +# endif +# endif + +/* + * If OPENSSL_API_COMPAT wasn't given, we use default numbers to set + * the API compatibility level. + */ +# ifndef OPENSSL_API_LEVEL +# if OPENSSL_CONFIGURED_API > 0 +# define OPENSSL_API_LEVEL (OPENSSL_CONFIGURED_API) +# else +# define OPENSSL_API_LEVEL \ + (OPENSSL_VERSION_MAJOR * 10000 + OPENSSL_VERSION_MINOR * 100) +# endif +# endif + +# if OPENSSL_API_LEVEL > OPENSSL_CONFIGURED_API +# error "The requested API level higher than the configured API compatibility level" +# endif + +/* + * Check of sane values. + */ +/* Can't go higher than the current version. */ +# if OPENSSL_API_LEVEL > (OPENSSL_VERSION_MAJOR * 10000 + OPENSSL_VERSION_MINOR * 100) +# error "OPENSSL_API_COMPAT expresses an impossible API compatibility level" +# endif +/* OpenSSL will have no version 2.y.z */ +# if OPENSSL_API_LEVEL < 30000 && OPENSSL_API_LEVEL >= 20000 +# error "OPENSSL_API_COMPAT expresses an impossible API compatibility level" +# endif +/* Below 0.9.8 is unacceptably low */ +# if OPENSSL_API_LEVEL < 908 +# error "OPENSSL_API_COMPAT expresses an impossible API compatibility level" +# endif + +/* + * Define macros for deprecation and simulated removal purposes. + * + * The macros OSSL_DEPRECATED_{major}_{minor} are always defined for + * all OpenSSL versions we care for. They can be used as attributes + * in function declarations where appropriate. + * + * The macros OPENSSL_NO_DEPRECATED_{major}_{minor} are defined for + * all OpenSSL versions up to or equal to the version given with + * OPENSSL_API_COMPAT. They are used as guards around anything that's + * deprecated up to that version, as an effect of the developer option + * 'no-deprecated'. + */ + +# undef OPENSSL_NO_DEPRECATED_3_0 +# undef OPENSSL_NO_DEPRECATED_1_1_1 +# undef OPENSSL_NO_DEPRECATED_1_1_0 +# undef OPENSSL_NO_DEPRECATED_1_0_2 +# undef OPENSSL_NO_DEPRECATED_1_0_1 +# undef OPENSSL_NO_DEPRECATED_1_0_0 +# undef OPENSSL_NO_DEPRECATED_0_9_8 + +# if OPENSSL_API_LEVEL >= 30100 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_3_1 OSSL_DEPRECATED(3.1) +# define OSSL_DEPRECATEDIN_3_1_FOR(msg) OSSL_DEPRECATED_FOR(3.1, msg) +# else +# define OPENSSL_NO_DEPRECATED_3_1 +# endif +# else +# define OSSL_DEPRECATEDIN_3_1 +# define OSSL_DEPRECATEDIN_3_1_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 30000 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_3_0 OSSL_DEPRECATED(3.0) +# define OSSL_DEPRECATEDIN_3_0_FOR(msg) OSSL_DEPRECATED_FOR(3.0, msg) +# else +# define OPENSSL_NO_DEPRECATED_3_0 +# endif +# else +# define OSSL_DEPRECATEDIN_3_0 +# define OSSL_DEPRECATEDIN_3_0_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 10101 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_1_1_1 OSSL_DEPRECATED(1.1.1) +# define OSSL_DEPRECATEDIN_1_1_1_FOR(msg) OSSL_DEPRECATED_FOR(1.1.1, msg) +# else +# define OPENSSL_NO_DEPRECATED_1_1_1 +# endif +# else +# define OSSL_DEPRECATEDIN_1_1_1 +# define OSSL_DEPRECATEDIN_1_1_1_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 10100 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_1_1_0 OSSL_DEPRECATED(1.1.0) +# define OSSL_DEPRECATEDIN_1_1_0_FOR(msg) OSSL_DEPRECATED_FOR(1.1.0, msg) +# else +# define OPENSSL_NO_DEPRECATED_1_1_0 +# endif +# else +# define OSSL_DEPRECATEDIN_1_1_0 +# define OSSL_DEPRECATEDIN_1_1_0_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 10002 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_1_0_2 OSSL_DEPRECATED(1.0.2) +# define OSSL_DEPRECATEDIN_1_0_2_FOR(msg) OSSL_DEPRECATED_FOR(1.0.2, msg) +# else +# define OPENSSL_NO_DEPRECATED_1_0_2 +# endif +# else +# define OSSL_DEPRECATEDIN_1_0_2 +# define OSSL_DEPRECATEDIN_1_0_2_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 10001 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_1_0_1 OSSL_DEPRECATED(1.0.1) +# define OSSL_DEPRECATEDIN_1_0_1_FOR(msg) OSSL_DEPRECATED_FOR(1.0.1, msg) +# else +# define OPENSSL_NO_DEPRECATED_1_0_1 +# endif +# else +# define OSSL_DEPRECATEDIN_1_0_1 +# define OSSL_DEPRECATEDIN_1_0_1_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 10000 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_1_0_0 OSSL_DEPRECATED(1.0.0) +# define OSSL_DEPRECATEDIN_1_0_0_FOR(msg) OSSL_DEPRECATED_FOR(1.0.0, msg) +# else +# define OPENSSL_NO_DEPRECATED_1_0_0 +# endif +# else +# define OSSL_DEPRECATEDIN_1_0_0 +# define OSSL_DEPRECATEDIN_1_0_0_FOR(msg) +# endif +# if OPENSSL_API_LEVEL >= 908 +# ifndef OPENSSL_NO_DEPRECATED +# define OSSL_DEPRECATEDIN_0_9_8 OSSL_DEPRECATED(0.9.8) +# define OSSL_DEPRECATEDIN_0_9_8_FOR(msg) OSSL_DEPRECATED_FOR(0.9.8, msg) +# else +# define OPENSSL_NO_DEPRECATED_0_9_8 +# endif +# else +# define OSSL_DEPRECATEDIN_0_9_8 +# define OSSL_DEPRECATEDIN_0_9_8_FOR(msg) +# endif + +/* + * Make our own variants of __FILE__ and __LINE__, depending on configuration + */ + +# ifndef OPENSSL_FILE +# ifdef OPENSSL_NO_FILENAMES +# define OPENSSL_FILE "" +# define OPENSSL_LINE 0 +# else +# define OPENSSL_FILE __FILE__ +# define OPENSSL_LINE __LINE__ +# endif +# endif + +/* + * __func__ was standardized in C99, so for any compiler that claims + * to implement that language level or newer, we assume we can safely + * use that symbol. + * + * GNU C also provides __FUNCTION__ since version 2, which predates + * C99. We can, however, only use this if __STDC_VERSION__ exists, + * as it's otherwise not allowed according to ISO C standards (C90). + * (compiling with GNU C's -pedantic tells us so) + * + * If none of the above applies, we check if the compiler is MSVC, + * and use __FUNCTION__ if that's the case. + */ +# ifndef OPENSSL_FUNC +# if defined(__STDC_VERSION__) +# if __STDC_VERSION__ >= 199901L +# define OPENSSL_FUNC __func__ +# elif defined(__GNUC__) && __GNUC__ >= 2 +# define OPENSSL_FUNC __FUNCTION__ +# endif +# elif defined(_MSC_VER) +# define OPENSSL_FUNC __FUNCTION__ +# endif +/* + * If all these possibilities are exhausted, we give up and use a + * static string. + */ +# ifndef OPENSSL_FUNC +# define OPENSSL_FUNC "(unknown function)" +# endif +# endif + +# ifndef OSSL_CRYPTO_ALLOC +# if defined(__GNUC__) +# define OSSL_CRYPTO_ALLOC __attribute__((malloc)) +# elif defined(_MSC_VER) +# define OSSL_CRYPTO_ALLOC __declspec(restrict) +# else +# define OSSL_CRYPTO_ALLOC +# endif +# endif + +#endif /* OPENSSL_MACROS_H */ |