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- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
- #include <openssl/thread.h>
-
- #include <errno.h>
- #include <string.h>
-
- #if defined(OPENSSL_WINDOWS)
- #pragma warning(push, 3)
- #include <Windows.h>
- #pragma warning(pop)
- #endif
-
- #include <openssl/mem.h>
- #include <openssl/type_check.h>
-
-
- /* lock_names contains the names of all the locks defined in thread.h. */
- static const char *const lock_names[] = {
- "<<ERROR>>", "err", "ex_data", "x509",
- "x509_info", "x509_pkey", "x509_crl", "x509_req",
- "dsa", "rsa", "evp_pkey", "x509_store",
- "ssl_ctx", "ssl_cert", "ssl_session", "ssl_sess_cert",
- "ssl", "ssl_method", "rand", "rand2",
- "debug_malloc", "BIO", "gethostbyname", "getservbyname",
- "readdir", "RSA_blinding", "dh", "debug_malloc2",
- "dso", "dynlock", "engine", "ui",
- "ecdsa", "ec", "ecdh", "bn",
- "ec_pre_comp", "store", "comp", "fips",
- "fips2", "obj",
- };
-
- OPENSSL_COMPILE_ASSERT(CRYPTO_NUM_LOCKS ==
- sizeof(lock_names) / sizeof(lock_names[0]),
- CRYPTO_NUM_LOCKS_inconsistent);
-
- static void (*locking_callback)(int mode, int lock_num, const char *file,
- int line) = 0;
- static int (*add_lock_callback)(int *pointer, int amount, int lock_num,
- const char *file, int line) = 0;
- static void (*threadid_callback)(CRYPTO_THREADID *) = 0;
-
-
- int CRYPTO_num_locks(void) { return CRYPTO_NUM_LOCKS; }
-
- void CRYPTO_set_locking_callback(void (*func)(int mode, int lock_num,
- const char *file, int line)) {
- locking_callback = func;
- }
-
- void CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int lock_num,
- const char *file, int line)) {
- add_lock_callback = func;
- }
-
- const char *CRYPTO_get_lock_name(int lock_num) {
- if (lock_num >= 0 && lock_num < CRYPTO_NUM_LOCKS) {
- return lock_names[lock_num];
- } else {
- return "ERROR";
- }
- }
-
- int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *)) {
- if (threadid_callback) {
- return 0;
- }
- threadid_callback = func;
- return 1;
- }
-
- void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) {
- memset(id, 0, sizeof(*id));
- id->val = val;
- }
-
- void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) {
- memset(id, 0, sizeof(*id));
- id->ptr = ptr;
- }
-
- void (*CRYPTO_get_locking_callback(void))(int mode, int lock_num,
- const char *file, int line) {
- return locking_callback;
- }
-
- int (*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int lock_num,
- const char *file, int line) {
- return add_lock_callback;
- }
-
- void CRYPTO_lock(int mode, int lock_num, const char *file, int line) {
- if (locking_callback != NULL) {
- locking_callback(mode, lock_num, file, line);
- }
- }
-
- int CRYPTO_add_lock(int *pointer, int amount, int lock_num, const char *file,
- int line) {
- int ret = 0;
-
- if (add_lock_callback != NULL) {
- ret = add_lock_callback(pointer, amount, lock_num, file, line);
- } else {
- CRYPTO_lock(CRYPTO_LOCK | CRYPTO_WRITE, lock_num, file, line);
- ret = *pointer + amount;
- *pointer = ret;
- CRYPTO_lock(CRYPTO_UNLOCK | CRYPTO_WRITE, lock_num, file, line);
- }
-
- return ret;
- }
-
- void CRYPTO_THREADID_current(CRYPTO_THREADID *id) {
- if (threadid_callback) {
- threadid_callback(id);
- return;
- }
-
- #if defined(OPENSSL_WINDOWS)
- CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId());
- #else
- /* For everything else, default to using the address of 'errno' */
- CRYPTO_THREADID_set_pointer(id, (void *)&errno);
- #endif
- }
-
- int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) {
- return memcmp(a, b, sizeof(*a));
- }
-
- void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) {
- memcpy(dest, src, sizeof(*src));
- }
-
- uint32_t CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) {
- return OPENSSL_hash32(id, sizeof(CRYPTO_THREADID));
- }
-
- void CRYPTO_set_id_callback(unsigned long (*func)(void)) {}
-
- void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(
- *dyn_create_function)(const char *file, int line)) {}
-
- void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(
- int mode, struct CRYPTO_dynlock_value *l, const char *file, int line)) {}
-
- void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(
- struct CRYPTO_dynlock_value *l, const char *file, int line)) {}
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