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Diffstat (limited to 'include/internal/cryptlib.h')
| -rw-r--r-- | include/internal/cryptlib.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/include/internal/cryptlib.h b/include/internal/cryptlib.h new file mode 100644 index 00000000..1291299b --- /dev/null +++ b/include/internal/cryptlib.h @@ -0,0 +1,261 @@ +/* + * Copyright 1995-2021 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 OSSL_INTERNAL_CRYPTLIB_H +# define OSSL_INTERNAL_CRYPTLIB_H +# pragma once + +# include <stdlib.h> +# include <string.h> + +# ifdef OPENSSL_USE_APPLINK +# define BIO_FLAGS_UPLINK_INTERNAL 0x8000 +# include "ms/uplink.h" +# else +# define BIO_FLAGS_UPLINK_INTERNAL 0 +# endif + +# include <openssl/crypto.h> +# include <openssl/buffer.h> +# include <openssl/bio.h> +# include <openssl/asn1.h> +# include <openssl/err.h> +# include "internal/nelem.h" + +#ifdef NDEBUG +# define ossl_assert(x) ((x) != 0) +#else +__owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr, + const char *file, int line) +{ + if (!expr) + OPENSSL_die(exprstr, file, line); + + return expr; +} + +# define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \ + __FILE__, __LINE__) + +#endif + +/* + * Use this inside a union with the field that needs to be aligned to a + * reasonable boundary for the platform. The most pessimistic alignment + * of the listed types will be used by the compiler. + */ +# define OSSL_UNION_ALIGN \ + double align; \ + ossl_uintmax_t align_int; \ + void *align_ptr + +typedef struct ex_callback_st EX_CALLBACK; +DEFINE_STACK_OF(EX_CALLBACK) + +typedef struct mem_st MEM; +DEFINE_LHASH_OF(MEM); + +# define OPENSSL_CONF "openssl.cnf" + +# ifndef OPENSSL_SYS_VMS +# define X509_CERT_AREA OPENSSLDIR +# define X509_CERT_DIR OPENSSLDIR "/certs" +# define X509_CERT_FILE OPENSSLDIR "/cert.pem" +# define X509_PRIVATE_DIR OPENSSLDIR "/private" +# define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf" +# else +# define X509_CERT_AREA "OSSL$DATAROOT:[000000]" +# define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]" +# define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem" +# define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]" +# define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf" +# endif + +# define X509_CERT_DIR_EVP "SSL_CERT_DIR" +# define X509_CERT_FILE_EVP "SSL_CERT_FILE" +# define CTLOG_FILE_EVP "CTLOG_FILE" + +/* size of string representations */ +# define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1) +# define HEX_SIZE(type) (sizeof(type)*2) + +void OPENSSL_cpuid_setup(void); +#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__x86_64) || defined(__x86_64__) || \ + defined(_M_AMD64) || defined(_M_X64) +extern unsigned int OPENSSL_ia32cap_P[]; +#endif +void OPENSSL_showfatal(const char *fmta, ...); +int ossl_do_ex_data_init(OSSL_LIB_CTX *ctx); +void ossl_crypto_cleanup_all_ex_data_int(OSSL_LIB_CTX *ctx); +int openssl_init_fork_handlers(void); +int openssl_get_fork_id(void); + +char *ossl_safe_getenv(const char *name); + +extern CRYPTO_RWLOCK *memdbg_lock; +int openssl_strerror_r(int errnum, char *buf, size_t buflen); +# if !defined(OPENSSL_NO_STDIO) +FILE *openssl_fopen(const char *filename, const char *mode); +# else +void *openssl_fopen(const char *filename, const char *mode); +# endif + +uint32_t OPENSSL_rdtsc(void); +size_t OPENSSL_instrument_bus(unsigned int *, size_t); +size_t OPENSSL_instrument_bus2(unsigned int *, size_t, size_t); + +/* ex_data structures */ + +/* + * Each structure type (sometimes called a class), that supports + * exdata has a stack of callbacks for each instance. + */ +struct ex_callback_st { + long argl; /* Arbitrary long */ + void *argp; /* Arbitrary void * */ + int priority; /* Priority ordering for freeing */ + CRYPTO_EX_new *new_func; + CRYPTO_EX_free *free_func; + CRYPTO_EX_dup *dup_func; +}; + +/* + * The state for each class. This could just be a typedef, but + * a structure allows future changes. + */ +typedef struct ex_callbacks_st { + STACK_OF(EX_CALLBACK) *meth; +} EX_CALLBACKS; + +typedef struct ossl_ex_data_global_st { + CRYPTO_RWLOCK *ex_data_lock; + EX_CALLBACKS ex_data[CRYPTO_EX_INDEX__COUNT]; +} OSSL_EX_DATA_GLOBAL; + + +/* OSSL_LIB_CTX */ + +# define OSSL_LIB_CTX_PROVIDER_STORE_RUN_ONCE_INDEX 0 +# define OSSL_LIB_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX 1 +# define OSSL_LIB_CTX_METHOD_STORE_RUN_ONCE_INDEX 2 +# define OSSL_LIB_CTX_MAX_RUN_ONCE 3 + +# define OSSL_LIB_CTX_EVP_METHOD_STORE_INDEX 0 +# define OSSL_LIB_CTX_PROVIDER_STORE_INDEX 1 +# define OSSL_LIB_CTX_PROPERTY_DEFN_INDEX 2 +# define OSSL_LIB_CTX_PROPERTY_STRING_INDEX 3 +# define OSSL_LIB_CTX_NAMEMAP_INDEX 4 +# define OSSL_LIB_CTX_DRBG_INDEX 5 +# define OSSL_LIB_CTX_DRBG_NONCE_INDEX 6 +# define OSSL_LIB_CTX_RAND_CRNGT_INDEX 7 +# ifdef FIPS_MODULE +# define OSSL_LIB_CTX_THREAD_EVENT_HANDLER_INDEX 8 +# endif +# define OSSL_LIB_CTX_FIPS_PROV_INDEX 9 +# define OSSL_LIB_CTX_ENCODER_STORE_INDEX 10 +# define OSSL_LIB_CTX_DECODER_STORE_INDEX 11 +# define OSSL_LIB_CTX_SELF_TEST_CB_INDEX 12 +# define OSSL_LIB_CTX_BIO_PROV_INDEX 13 +# define OSSL_LIB_CTX_GLOBAL_PROPERTIES 14 +# define OSSL_LIB_CTX_STORE_LOADER_STORE_INDEX 15 +# define OSSL_LIB_CTX_PROVIDER_CONF_INDEX 16 +# define OSSL_LIB_CTX_BIO_CORE_INDEX 17 +# define OSSL_LIB_CTX_CHILD_PROVIDER_INDEX 18 +# define OSSL_LIB_CTX_MAX_INDEXES 19 + +# define OSSL_LIB_CTX_METHOD_LOW_PRIORITY -1 +# define OSSL_LIB_CTX_METHOD_DEFAULT_PRIORITY 0 +# define OSSL_LIB_CTX_METHOD_PRIORITY_1 1 +# define OSSL_LIB_CTX_METHOD_PRIORITY_2 2 + +typedef struct ossl_lib_ctx_method { + int priority; + void *(*new_func)(OSSL_LIB_CTX *ctx); + void (*free_func)(void *); +} OSSL_LIB_CTX_METHOD; + +OSSL_LIB_CTX *ossl_lib_ctx_get_concrete(OSSL_LIB_CTX *ctx); +int ossl_lib_ctx_is_default(OSSL_LIB_CTX *ctx); +int ossl_lib_ctx_is_global_default(OSSL_LIB_CTX *ctx); + +/* Functions to retrieve pointers to data by index */ +void *ossl_lib_ctx_get_data(OSSL_LIB_CTX *, int /* index */, + const OSSL_LIB_CTX_METHOD * ctx); + +void ossl_lib_ctx_default_deinit(void); +OSSL_EX_DATA_GLOBAL *ossl_lib_ctx_get_ex_data_global(OSSL_LIB_CTX *ctx); +typedef int (ossl_lib_ctx_run_once_fn)(OSSL_LIB_CTX *ctx); +typedef void (ossl_lib_ctx_onfree_fn)(OSSL_LIB_CTX *ctx); + +int ossl_lib_ctx_run_once(OSSL_LIB_CTX *ctx, unsigned int idx, + ossl_lib_ctx_run_once_fn run_once_fn); +int ossl_lib_ctx_onfree(OSSL_LIB_CTX *ctx, ossl_lib_ctx_onfree_fn onfreefn); +const char *ossl_lib_ctx_get_descriptor(OSSL_LIB_CTX *libctx); + +OSSL_LIB_CTX *ossl_crypto_ex_data_get_ossl_lib_ctx(const CRYPTO_EX_DATA *ad); +int ossl_crypto_new_ex_data_ex(OSSL_LIB_CTX *ctx, int class_index, void *obj, + CRYPTO_EX_DATA *ad); +int ossl_crypto_get_ex_new_index_ex(OSSL_LIB_CTX *ctx, int class_index, + long argl, void *argp, + CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, + CRYPTO_EX_free *free_func, + int priority); +int ossl_crypto_free_ex_index_ex(OSSL_LIB_CTX *ctx, int class_index, int idx); + +/* Function for simple binary search */ + +/* Flags */ +# define OSSL_BSEARCH_VALUE_ON_NOMATCH 0x01 +# define OSSL_BSEARCH_FIRST_VALUE_ON_MATCH 0x02 + +const void *ossl_bsearch(const void *key, const void *base, int num, + int size, int (*cmp) (const void *, const void *), + int flags); + +char *ossl_sk_ASN1_UTF8STRING2text(STACK_OF(ASN1_UTF8STRING) *text, + const char *sep, size_t max_len); +char *ossl_ipaddr_to_asc(unsigned char *p, int len); + +char *ossl_buf2hexstr_sep(const unsigned char *buf, long buflen, char sep); +unsigned char *ossl_hexstr2buf_sep(const char *str, long *buflen, + const char sep); + +static ossl_inline int ossl_ends_with_dirsep(const char *path) +{ + if (*path != '\0') + path += strlen(path) - 1; +# if defined __VMS + if (*path == ']' || *path == '>' || *path == ':') + return 1; +# elif defined _WIN32 + if (*path == '\\') + return 1; +# endif + return *path == '/'; +} + +static ossl_inline int ossl_is_absolute_path(const char *path) +{ +# if defined __VMS + if (strchr(path, ':') != NULL + || ((path[0] == '[' || path[0] == '<') + && path[1] != '.' && path[1] != '-' + && path[1] != ']' && path[1] != '>')) + return 1; +# elif defined _WIN32 + if (path[0] == '\\' + || (path[0] != '\0' && path[1] == ':')) + return 1; +# endif + return path[0] == '/'; +} + +#endif |