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authorcvs2svn <admin@example.com>2021-08-18 16:06:57 +0000
committercvs2svn <admin@example.com>2021-08-18 16:06:57 +0000
commitd56c8fa8260d226f98b26f017b45b9c2b135f38d (patch)
tree348178b41617813cc93787187984a734ef8379ca /src/lib/libcrypto/cryptlib.c
parent18b9c1bcab7c37d8c5bd05b8e0d14d0c59d96650 (diff)
downloadopenbsd-tb_20210818.tar.gz
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This commit was manufactured by cvs2git to create tag 'tb_20210818'.tb_20210818
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diff --git a/src/lib/libcrypto/cryptlib.c b/src/lib/libcrypto/cryptlib.c
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1/* $OpenBSD: cryptlib.c,v 1.45 2019/01/26 11:30:32 deraadt Exp $ */
2/* ====================================================================
3 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56 * All rights reserved.
57 *
58 * This package is an SSL implementation written
59 * by Eric Young (eay@cryptsoft.com).
60 * The implementation was written so as to conform with Netscapes SSL.
61 *
62 * This library is free for commercial and non-commercial use as long as
63 * the following conditions are aheared to. The following conditions
64 * apply to all code found in this distribution, be it the RC4, RSA,
65 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66 * included with this distribution is covered by the same copyright terms
67 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
68 *
69 * Copyright remains Eric Young's, and as such any Copyright notices in
70 * the code are not to be removed.
71 * If this package is used in a product, Eric Young should be given attribution
72 * as the author of the parts of the library used.
73 * This can be in the form of a textual message at program startup or
74 * in documentation (online or textual) provided with the package.
75 *
76 * Redistribution and use in source and binary forms, with or without
77 * modification, are permitted provided that the following conditions
78 * are met:
79 * 1. Redistributions of source code must retain the copyright
80 * notice, this list of conditions and the following disclaimer.
81 * 2. Redistributions in binary form must reproduce the above copyright
82 * notice, this list of conditions and the following disclaimer in the
83 * documentation and/or other materials provided with the distribution.
84 * 3. All advertising materials mentioning features or use of this software
85 * must display the following acknowledgement:
86 * "This product includes cryptographic software written by
87 * Eric Young (eay@cryptsoft.com)"
88 * The word 'cryptographic' can be left out if the rouines from the library
89 * being used are not cryptographic related :-).
90 * 4. If you include any Windows specific code (or a derivative thereof) from
91 * the apps directory (application code) you must include an acknowledgement:
92 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
93 *
94 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
104 * SUCH DAMAGE.
105 *
106 * The licence and distribution terms for any publically available version or
107 * derivative of this code cannot be changed. i.e. this code cannot simply be
108 * copied and put under another distribution licence
109 * [including the GNU Public Licence.]
110 */
111/* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECDH support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116
117#include <pthread.h>
118#include <stdarg.h>
119#include <stdio.h>
120#include <string.h>
121#include <syslog.h>
122#include <unistd.h>
123
124#include <openssl/opensslconf.h>
125#include <openssl/crypto.h>
126
127static void (*locking_callback)(int mode, int type,
128 const char *file, int line) = NULL;
129static int (*add_lock_callback)(int *pointer, int amount,
130 int type, const char *file, int line) = NULL;
131
132int
133CRYPTO_num_locks(void)
134{
135 return 1;
136}
137
138unsigned long
139(*CRYPTO_get_id_callback(void))(void)
140{
141 return NULL;
142}
143
144void
145CRYPTO_set_id_callback(unsigned long (*func)(void))
146{
147 return;
148}
149
150unsigned long
151CRYPTO_thread_id(void)
152{
153 return (unsigned long)pthread_self();
154}
155
156void
157CRYPTO_set_locking_callback(void (*func)(int mode, int lock_num,
158 const char *file, int line))
159{
160 locking_callback = func;
161}
162
163void
164(*CRYPTO_get_locking_callback(void))(int mode, int lock_num,
165 const char *file, int line)
166{
167 return locking_callback;
168}
169
170void
171CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int lock_num,
172 const char *file, int line))
173{
174 add_lock_callback = func;
175}
176
177int
178(*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int type,
179 const char *file, int line)
180{
181 return add_lock_callback;
182}
183
184const char *
185CRYPTO_get_lock_name(int lock_num)
186{
187 return "";
188}
189
190struct CRYPTO_dynlock_value *
191CRYPTO_get_dynlock_value(int i)
192{
193 return NULL;
194}
195
196int CRYPTO_get_new_dynlockid(void)
197{
198 return 0;
199}
200
201void
202CRYPTO_destroy_dynlockid(int i)
203{
204 return;
205}
206
207int CRYPTO_get_new_lockid(char *name)
208{
209 return 0;
210}
211
212int
213CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
214{
215 return 1;
216}
217
218void
219(*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
220{
221 return NULL;
222}
223
224void
225CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
226{
227 return;
228}
229
230void
231CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr)
232{
233 return;
234}
235
236void
237CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(
238 *dyn_create_function)(const char *file, int line))
239{
240 return;
241}
242
243void
244CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(
245 int mode, struct CRYPTO_dynlock_value *l, const char *file, int line))
246{
247 return;
248}
249
250void
251CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(
252 struct CRYPTO_dynlock_value *l, const char *file, int line))
253{
254 return;
255}
256
257struct CRYPTO_dynlock_value *
258(*CRYPTO_get_dynlock_create_callback(void))(
259 const char *file, int line)
260{
261 return NULL;
262}
263
264void
265(*CRYPTO_get_dynlock_lock_callback(void))(int mode,
266 struct CRYPTO_dynlock_value *l, const char *file, int line)
267{
268 return NULL;
269}
270
271void
272(*CRYPTO_get_dynlock_destroy_callback(void))(
273 struct CRYPTO_dynlock_value *l, const char *file, int line)
274{
275 return NULL;
276}
277
278void
279CRYPTO_THREADID_current(CRYPTO_THREADID *id)
280{
281 memset(id, 0, sizeof(*id));
282 id->val = (unsigned long)pthread_self();
283}
284
285int
286CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
287{
288 return memcmp(a, b, sizeof(*a));
289}
290
291void
292CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
293{
294 memcpy(dest, src, sizeof(*src));
295}
296
297unsigned long
298CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
299{
300 return id->val;
301}
302
303#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
304 defined(__INTEL__) || \
305 defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
306
307uint64_t OPENSSL_ia32cap_P;
308
309uint64_t
310OPENSSL_cpu_caps(void)
311{
312 return OPENSSL_ia32cap_P;
313}
314
315#if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM)
316#define OPENSSL_CPUID_SETUP
317void
318OPENSSL_cpuid_setup(void)
319{
320 static int trigger = 0;
321 uint64_t OPENSSL_ia32_cpuid(void);
322
323 if (trigger)
324 return;
325 trigger = 1;
326 OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid();
327}
328#endif
329
330#else
331uint64_t
332OPENSSL_cpu_caps(void)
333{
334 return 0;
335}
336#endif
337
338#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
339void
340OPENSSL_cpuid_setup(void)
341{
342}
343#endif
344
345static void
346OPENSSL_showfatal(const char *fmta, ...)
347{
348 struct syslog_data sdata = SYSLOG_DATA_INIT;
349 va_list ap;
350
351 va_start(ap, fmta);
352 vsyslog_r(LOG_INFO|LOG_LOCAL2, &sdata, fmta, ap);
353 va_end(ap);
354}
355
356void
357OpenSSLDie(const char *file, int line, const char *assertion)
358{
359 OPENSSL_showfatal(
360 "uid %u cmd %s %s(%d): OpenSSL internal error, assertion failed: %s\n",
361 getuid(), getprogname(), file, line, assertion);
362 _exit(1);
363}
364
365int
366CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
367{
368 size_t i;
369 const unsigned char *a = in_a;
370 const unsigned char *b = in_b;
371 unsigned char x = 0;
372
373 for (i = 0; i < len; i++)
374 x |= a[i] ^ b[i];
375
376 return x;
377}