A local copy of OpenSSL from GitHub
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  1. /*
  2. * Copyright 1995-2021 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. #ifndef OSSL_INTERNAL_CRYPTLIB_H
  10. # define OSSL_INTERNAL_CRYPTLIB_H
  11. # pragma once
  12. # include <stdlib.h>
  13. # include <string.h>
  14. # ifdef OPENSSL_USE_APPLINK
  15. # define BIO_FLAGS_UPLINK_INTERNAL 0x8000
  16. # include "ms/uplink.h"
  17. # else
  18. # define BIO_FLAGS_UPLINK_INTERNAL 0
  19. # endif
  20. # include <openssl/crypto.h>
  21. # include <openssl/buffer.h>
  22. # include <openssl/bio.h>
  23. # include <openssl/asn1.h>
  24. # include <openssl/err.h>
  25. # include "internal/nelem.h"
  26. #ifdef NDEBUG
  27. # define ossl_assert(x) ((x) != 0)
  28. #else
  29. __owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr,
  30. const char *file, int line)
  31. {
  32. if (!expr)
  33. OPENSSL_die(exprstr, file, line);
  34. return expr;
  35. }
  36. # define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \
  37. __FILE__, __LINE__)
  38. #endif
  39. /*
  40. * Use this inside a union with the field that needs to be aligned to a
  41. * reasonable boundary for the platform. The most pessimistic alignment
  42. * of the listed types will be used by the compiler.
  43. */
  44. # define OSSL_UNION_ALIGN \
  45. double align; \
  46. ossl_uintmax_t align_int; \
  47. void *align_ptr
  48. typedef struct ex_callback_st EX_CALLBACK;
  49. DEFINE_STACK_OF(EX_CALLBACK)
  50. typedef struct mem_st MEM;
  51. DEFINE_LHASH_OF(MEM);
  52. # define OPENSSL_CONF "openssl.cnf"
  53. # ifndef OPENSSL_SYS_VMS
  54. # define X509_CERT_AREA OPENSSLDIR
  55. # define X509_CERT_DIR OPENSSLDIR "/certs"
  56. # define X509_CERT_FILE OPENSSLDIR "/cert.pem"
  57. # define X509_PRIVATE_DIR OPENSSLDIR "/private"
  58. # define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf"
  59. # else
  60. # define X509_CERT_AREA "OSSL$DATAROOT:[000000]"
  61. # define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]"
  62. # define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem"
  63. # define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]"
  64. # define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf"
  65. # endif
  66. # define X509_CERT_DIR_EVP "SSL_CERT_DIR"
  67. # define X509_CERT_FILE_EVP "SSL_CERT_FILE"
  68. # define CTLOG_FILE_EVP "CTLOG_FILE"
  69. /* size of string representations */
  70. # define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
  71. # define HEX_SIZE(type) (sizeof(type)*2)
  72. void OPENSSL_cpuid_setup(void);
  73. #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
  74. defined(__x86_64) || defined(__x86_64__) || \
  75. defined(_M_AMD64) || defined(_M_X64)
  76. extern unsigned int OPENSSL_ia32cap_P[];
  77. #endif
  78. void OPENSSL_showfatal(const char *fmta, ...);
  79. int ossl_do_ex_data_init(OSSL_LIB_CTX *ctx);
  80. void ossl_crypto_cleanup_all_ex_data_int(OSSL_LIB_CTX *ctx);
  81. int openssl_init_fork_handlers(void);
  82. int openssl_get_fork_id(void);
  83. char *ossl_safe_getenv(const char *name);
  84. extern CRYPTO_RWLOCK *memdbg_lock;
  85. int openssl_strerror_r(int errnum, char *buf, size_t buflen);
  86. # if !defined(OPENSSL_NO_STDIO)
  87. FILE *openssl_fopen(const char *filename, const char *mode);
  88. # else
  89. void *openssl_fopen(const char *filename, const char *mode);
  90. # endif
  91. uint32_t OPENSSL_rdtsc(void);
  92. size_t OPENSSL_instrument_bus(unsigned int *, size_t);
  93. size_t OPENSSL_instrument_bus2(unsigned int *, size_t, size_t);
  94. /* ex_data structures */
  95. /*
  96. * Each structure type (sometimes called a class), that supports
  97. * exdata has a stack of callbacks for each instance.
  98. */
  99. struct ex_callback_st {
  100. long argl; /* Arbitrary long */
  101. void *argp; /* Arbitrary void * */
  102. int priority; /* Priority ordering for freeing */
  103. CRYPTO_EX_new *new_func;
  104. CRYPTO_EX_free *free_func;
  105. CRYPTO_EX_dup *dup_func;
  106. };
  107. /*
  108. * The state for each class. This could just be a typedef, but
  109. * a structure allows future changes.
  110. */
  111. typedef struct ex_callbacks_st {
  112. STACK_OF(EX_CALLBACK) *meth;
  113. } EX_CALLBACKS;
  114. typedef struct ossl_ex_data_global_st {
  115. CRYPTO_RWLOCK *ex_data_lock;
  116. EX_CALLBACKS ex_data[CRYPTO_EX_INDEX__COUNT];
  117. } OSSL_EX_DATA_GLOBAL;
  118. /* OSSL_LIB_CTX */
  119. # define OSSL_LIB_CTX_PROVIDER_STORE_RUN_ONCE_INDEX 0
  120. # define OSSL_LIB_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX 1
  121. # define OSSL_LIB_CTX_METHOD_STORE_RUN_ONCE_INDEX 2
  122. # define OSSL_LIB_CTX_MAX_RUN_ONCE 3
  123. # define OSSL_LIB_CTX_EVP_METHOD_STORE_INDEX 0
  124. # define OSSL_LIB_CTX_PROVIDER_STORE_INDEX 1
  125. # define OSSL_LIB_CTX_PROPERTY_DEFN_INDEX 2
  126. # define OSSL_LIB_CTX_PROPERTY_STRING_INDEX 3
  127. # define OSSL_LIB_CTX_NAMEMAP_INDEX 4
  128. # define OSSL_LIB_CTX_DRBG_INDEX 5
  129. # define OSSL_LIB_CTX_DRBG_NONCE_INDEX 6
  130. # define OSSL_LIB_CTX_RAND_CRNGT_INDEX 7
  131. # define OSSL_LIB_CTX_THREAD_EVENT_HANDLER_INDEX 8
  132. # define OSSL_LIB_CTX_FIPS_PROV_INDEX 9
  133. # define OSSL_LIB_CTX_ENCODER_STORE_INDEX 10
  134. # define OSSL_LIB_CTX_DECODER_STORE_INDEX 11
  135. # define OSSL_LIB_CTX_SELF_TEST_CB_INDEX 12
  136. # define OSSL_LIB_CTX_BIO_PROV_INDEX 13
  137. # define OSSL_LIB_CTX_GLOBAL_PROPERTIES 14
  138. # define OSSL_LIB_CTX_STORE_LOADER_STORE_INDEX 15
  139. # define OSSL_LIB_CTX_PROVIDER_CONF_INDEX 16
  140. # define OSSL_LIB_CTX_BIO_CORE_INDEX 17
  141. # define OSSL_LIB_CTX_CHILD_PROVIDER_INDEX 18
  142. # define OSSL_LIB_CTX_MAX_INDEXES 19
  143. # define OSSL_LIB_CTX_METHOD_LOW_PRIORITY -1
  144. # define OSSL_LIB_CTX_METHOD_DEFAULT_PRIORITY 0
  145. # define OSSL_LIB_CTX_METHOD_PRIORITY_1 1
  146. # define OSSL_LIB_CTX_METHOD_PRIORITY_2 2
  147. typedef struct ossl_lib_ctx_method {
  148. int priority;
  149. void *(*new_func)(OSSL_LIB_CTX *ctx);
  150. void (*free_func)(void *);
  151. } OSSL_LIB_CTX_METHOD;
  152. OSSL_LIB_CTX *ossl_lib_ctx_get_concrete(OSSL_LIB_CTX *ctx);
  153. int ossl_lib_ctx_is_default(OSSL_LIB_CTX *ctx);
  154. int ossl_lib_ctx_is_global_default(OSSL_LIB_CTX *ctx);
  155. /* Functions to retrieve pointers to data by index */
  156. void *ossl_lib_ctx_get_data(OSSL_LIB_CTX *, int /* index */,
  157. const OSSL_LIB_CTX_METHOD * ctx);
  158. void ossl_lib_ctx_default_deinit(void);
  159. OSSL_EX_DATA_GLOBAL *ossl_lib_ctx_get_ex_data_global(OSSL_LIB_CTX *ctx);
  160. typedef int (ossl_lib_ctx_run_once_fn)(OSSL_LIB_CTX *ctx);
  161. typedef void (ossl_lib_ctx_onfree_fn)(OSSL_LIB_CTX *ctx);
  162. int ossl_lib_ctx_run_once(OSSL_LIB_CTX *ctx, unsigned int idx,
  163. ossl_lib_ctx_run_once_fn run_once_fn);
  164. int ossl_lib_ctx_onfree(OSSL_LIB_CTX *ctx, ossl_lib_ctx_onfree_fn onfreefn);
  165. const char *ossl_lib_ctx_get_descriptor(OSSL_LIB_CTX *libctx);
  166. OSSL_LIB_CTX *ossl_crypto_ex_data_get_ossl_lib_ctx(const CRYPTO_EX_DATA *ad);
  167. int ossl_crypto_new_ex_data_ex(OSSL_LIB_CTX *ctx, int class_index, void *obj,
  168. CRYPTO_EX_DATA *ad);
  169. int ossl_crypto_get_ex_new_index_ex(OSSL_LIB_CTX *ctx, int class_index,
  170. long argl, void *argp,
  171. CRYPTO_EX_new *new_func,
  172. CRYPTO_EX_dup *dup_func,
  173. CRYPTO_EX_free *free_func,
  174. int priority);
  175. int ossl_crypto_free_ex_index_ex(OSSL_LIB_CTX *ctx, int class_index, int idx);
  176. /* Function for simple binary search */
  177. /* Flags */
  178. # define OSSL_BSEARCH_VALUE_ON_NOMATCH 0x01
  179. # define OSSL_BSEARCH_FIRST_VALUE_ON_MATCH 0x02
  180. const void *ossl_bsearch(const void *key, const void *base, int num,
  181. int size, int (*cmp) (const void *, const void *),
  182. int flags);
  183. char *ossl_sk_ASN1_UTF8STRING2text(STACK_OF(ASN1_UTF8STRING) *text,
  184. const char *sep, size_t max_len);
  185. char *ossl_ipaddr_to_asc(unsigned char *p, int len);
  186. char *ossl_buf2hexstr_sep(const unsigned char *buf, long buflen, char sep);
  187. unsigned char *ossl_hexstr2buf_sep(const char *str, long *buflen,
  188. const char sep);
  189. static ossl_inline int ossl_ends_with_dirsep(const char *path)
  190. {
  191. if (*path != '\0')
  192. path += strlen(path) - 1;
  193. # if defined __VMS
  194. if (*path == ']' || *path == '>' || *path == ':')
  195. return 1;
  196. # elif defined _WIN32
  197. if (*path == '\\')
  198. return 1;
  199. # endif
  200. return *path == '/';
  201. }
  202. static ossl_inline int ossl_is_absolute_path(const char *path)
  203. {
  204. # if defined __VMS
  205. if (strchr(path, ':') != NULL
  206. || ((path[0] == '[' || path[0] == '<')
  207. && path[1] != '.' && path[1] != '-'
  208. && path[1] != ']' && path[1] != '>'))
  209. return 1;
  210. # elif defined _WIN32
  211. if (path[0] == '\\'
  212. || (path[0] != '\0' && path[1] == ':'))
  213. return 1;
  214. # endif
  215. return path[0] == '/';
  216. }
  217. #endif