Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
| 7 | * |
| 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 14 | * |
| 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
| 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
| 51 | * |
| 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] */ |
| 56 | |
| 57 | #include <openssl/thread.h> |
| 58 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 59 | #include <string.h> |
| 60 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 61 | #if !defined(OPENSSL_WINDOWS) |
| 62 | #include <errno.h> |
| 63 | #else |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 64 | #pragma warning(push, 3) |
Kenny Root | ac6c537 | 2015-03-04 12:52:47 -0800 | [diff] [blame] | 65 | #include <windows.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 66 | #pragma warning(pop) |
| 67 | #endif |
| 68 | |
| 69 | #include <openssl/mem.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 70 | |
| 71 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 72 | #define CRYPTO_LOCK_ITEM(x) #x |
| 73 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 74 | /* lock_names contains the names of all the locks defined in thread.h. */ |
| 75 | static const char *const lock_names[] = { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 76 | CRYPTO_LOCK_LIST |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 77 | }; |
| 78 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 79 | #undef CRYPTO_LOCK_ITEM |
| 80 | |
| 81 | #define CRYPTO_NUM_LOCKS (sizeof(lock_names) / sizeof(lock_names[0])) |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 82 | |
| 83 | static void (*locking_callback)(int mode, int lock_num, const char *file, |
| 84 | int line) = 0; |
| 85 | static int (*add_lock_callback)(int *pointer, int amount, int lock_num, |
| 86 | const char *file, int line) = 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 87 | |
| 88 | int CRYPTO_num_locks(void) { return CRYPTO_NUM_LOCKS; } |
| 89 | |
| 90 | void CRYPTO_set_locking_callback(void (*func)(int mode, int lock_num, |
| 91 | const char *file, int line)) { |
| 92 | locking_callback = func; |
| 93 | } |
| 94 | |
| 95 | void CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int lock_num, |
| 96 | const char *file, int line)) { |
| 97 | add_lock_callback = func; |
| 98 | } |
| 99 | |
| 100 | const char *CRYPTO_get_lock_name(int lock_num) { |
| 101 | if (lock_num >= 0 && lock_num < CRYPTO_NUM_LOCKS) { |
| 102 | return lock_names[lock_num]; |
| 103 | } else { |
| 104 | return "ERROR"; |
| 105 | } |
| 106 | } |
| 107 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 108 | int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *)) { return 1; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 109 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 110 | void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 111 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame^] | 112 | void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) {} |
| 113 | |
| 114 | void CRYPTO_THREADID_current(CRYPTO_THREADID *id) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 115 | |
| 116 | void (*CRYPTO_get_locking_callback(void))(int mode, int lock_num, |
| 117 | const char *file, int line) { |
| 118 | return locking_callback; |
| 119 | } |
| 120 | |
| 121 | int (*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int lock_num, |
| 122 | const char *file, int line) { |
| 123 | return add_lock_callback; |
| 124 | } |
| 125 | |
| 126 | void CRYPTO_lock(int mode, int lock_num, const char *file, int line) { |
| 127 | if (locking_callback != NULL) { |
| 128 | locking_callback(mode, lock_num, file, line); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | int CRYPTO_add_lock(int *pointer, int amount, int lock_num, const char *file, |
| 133 | int line) { |
| 134 | int ret = 0; |
| 135 | |
| 136 | if (add_lock_callback != NULL) { |
| 137 | ret = add_lock_callback(pointer, amount, lock_num, file, line); |
| 138 | } else { |
| 139 | CRYPTO_lock(CRYPTO_LOCK | CRYPTO_WRITE, lock_num, file, line); |
| 140 | ret = *pointer + amount; |
| 141 | *pointer = ret; |
| 142 | CRYPTO_lock(CRYPTO_UNLOCK | CRYPTO_WRITE, lock_num, file, line); |
| 143 | } |
| 144 | |
| 145 | return ret; |
| 146 | } |
| 147 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 148 | void CRYPTO_set_id_callback(unsigned long (*func)(void)) {} |
| 149 | |
| 150 | void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *( |
| 151 | *dyn_create_function)(const char *file, int line)) {} |
| 152 | |
| 153 | void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)( |
| 154 | int mode, struct CRYPTO_dynlock_value *l, const char *file, int line)) {} |
| 155 | |
| 156 | void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)( |
| 157 | struct CRYPTO_dynlock_value *l, const char *file, int line)) {} |