-/* crypto/cryptlib.c */
-/* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1998-2016 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (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
*/
+
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECDH support in OpenSSL originally developed by
+ * ECDH support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
-#include "cryptlib.h"
+#include "internal/cryptlib_int.h"
#include <openssl/safestack.h>
-#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
-static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
-#endif
-
-DECLARE_STACK_OF(CRYPTO_dynlock)
-IMPLEMENT_STACK_OF(CRYPTO_dynlock)
-
-/* real #defines in crypto.h, keep these upto date */
-static const char* lock_names[CRYPTO_NUM_LOCKS] =
- {
- "<<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",
-#if CRYPTO_NUM_LOCKS != 39
-# error "Inconsistency between crypto.h and cryptlib.c"
-#endif
- };
-
-/* This is for applications to allocate new type names in the non-dynamic
- array of lock names. These are numbered with positive numbers. */
-static STACK *app_locks=NULL;
-
-/* For applications that want a more dynamic way of handling threads, the
- following stack is used. These are externally numbered with negative
- numbers. */
-static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL;
-
-
-static void (MS_FAR *locking_callback)(int mode,int type,
- const char *file,int line)=NULL;
-static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
- int type,const char *file,int line)=NULL;
-static unsigned long (MS_FAR *id_callback)(void)=NULL;
-static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
- (const char *file,int line)=NULL;
-static void (MS_FAR *dynlock_lock_callback)(int mode,
- struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL;
-static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
- const char *file,int line)=NULL;
-
-int CRYPTO_get_new_lockid(char *name)
- {
- char *str;
- int i;
-
-#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
- /* A hack to make Visual C++ 5.0 work correctly when linking as
- * a DLL using /MT. Without this, the application cannot use
- * and floating point printf's.
- * It also seems to be needed for Visual C 1.5 (win16) */
- SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
-#endif
-
- if ((app_locks == NULL) && ((app_locks=sk_new_null()) == NULL))
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- if ((str=BUF_strdup(name)) == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- i=sk_push(app_locks,str);
- if (!i)
- OPENSSL_free(str);
- else
- i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
- return(i);
- }
-
-int CRYPTO_num_locks(void)
- {
- return CRYPTO_NUM_LOCKS;
- }
-
-int CRYPTO_get_new_dynlockid(void)
- {
- int i = 0;
- CRYPTO_dynlock *pointer = NULL;
-
- if (dynlock_create_callback == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK);
- return(0);
- }
- CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
- if ((dyn_locks == NULL)
- && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL))
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
-
- pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock));
- if (pointer == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- pointer->references = 1;
- pointer->data = dynlock_create_callback(__FILE__,__LINE__);
- if (pointer->data == NULL)
- {
- OPENSSL_free(pointer);
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
- return(0);
- }
-
- CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
- /* First, try to find an existing empty slot */
- i=sk_CRYPTO_dynlock_find(dyn_locks,NULL);
- /* If there was none, push, thereby creating a new one */
- if (i == -1)
- /* Since sk_push() returns the number of items on the
- stack, not the location of the pushed item, we need
- to transform the returned number into a position,
- by decreasing it. */
- i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1;
- else
- /* If we found a place with a NULL pointer, put our pointer
- in it. */
- sk_CRYPTO_dynlock_set(dyn_locks,i,pointer);
- CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
-
- if (i == -1)
- {
- dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
- OPENSSL_free(pointer);
- }
- else
- i += 1; /* to avoid 0 */
- return -i;
- }
-
-void CRYPTO_destroy_dynlockid(int i)
- {
- CRYPTO_dynlock *pointer = NULL;
- if (i)
- i = -i-1;
- if (dynlock_destroy_callback == NULL)
- return;
-
- CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
-
- if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks))
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
- return;
- }
- pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
- if (pointer != NULL)
- {
- --pointer->references;
-#ifdef REF_CHECK
- if (pointer->references < 0)
- {
- fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n");
- abort();
- }
- else
-#endif
- if (pointer->references <= 0)
- {
- sk_CRYPTO_dynlock_set(dyn_locks, i, NULL);
- }
- else
- pointer = NULL;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
-
- if (pointer)
- {
- dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
- OPENSSL_free(pointer);
- }
- }
-
-struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
- {
- CRYPTO_dynlock *pointer = NULL;
- if (i)
- i = -i-1;
-
- CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
-
- if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
- pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
- if (pointer)
- pointer->references++;
-
- CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
-
- if (pointer)
- return pointer->data;
- return NULL;
- }
-
-struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
- (const char *file,int line)
- {
- return(dynlock_create_callback);
- }
-
-void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
- struct CRYPTO_dynlock_value *l, const char *file,int line)
- {
- return(dynlock_lock_callback);
- }
-
-void (*CRYPTO_get_dynlock_destroy_callback(void))
- (struct CRYPTO_dynlock_value *l, const char *file,int line)
- {
- return(dynlock_destroy_callback);
- }
-
-void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func)
- (const char *file, int line))
- {
- dynlock_create_callback=func;
- }
-
-void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode,
- struct CRYPTO_dynlock_value *l, const char *file, int line))
- {
- dynlock_lock_callback=func;
- }
-
-void CRYPTO_set_dynlock_destroy_callback(void (*func)
- (struct CRYPTO_dynlock_value *l, const char *file, int line))
- {
- dynlock_destroy_callback=func;
- }
-
-
-void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
- int line)
- {
- return(locking_callback);
- }
-
-int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
- const char *file,int line)
- {
- return(add_lock_callback);
- }
-
-void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
- const char *file,int line))
- {
- locking_callback=func;
- }
-
-void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
- const char *file,int line))
- {
- add_lock_callback=func;
- }
-
-unsigned long (*CRYPTO_get_id_callback(void))(void)
- {
- return(id_callback);
- }
-
-void CRYPTO_set_id_callback(unsigned long (*func)(void))
- {
- id_callback=func;
- }
-
-unsigned long CRYPTO_thread_id(void)
- {
- unsigned long ret=0;
-
- if (id_callback == NULL)
- {
-#ifdef OPENSSL_SYS_WIN16
- ret=(unsigned long)GetCurrentTask();
-#elif defined(OPENSSL_SYS_WIN32)
- ret=(unsigned long)GetCurrentThreadId();
-#elif defined(GETPID_IS_MEANINGLESS)
- ret=1L;
-#else
- ret=(unsigned long)getpid();
-#endif
- }
- else
- ret=id_callback();
- return(ret);
- }
-
-void CRYPTO_lock(int mode, int type, const char *file, int line)
- {
-#ifdef LOCK_DEBUG
- {
- char *rw_text,*operation_text;
-
- if (mode & CRYPTO_LOCK)
- operation_text="lock ";
- else if (mode & CRYPTO_UNLOCK)
- operation_text="unlock";
- else
- operation_text="ERROR ";
-
- if (mode & CRYPTO_READ)
- rw_text="r";
- else if (mode & CRYPTO_WRITE)
- rw_text="w";
- else
- rw_text="ERROR";
-
- fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
- CRYPTO_thread_id(), rw_text, operation_text,
- CRYPTO_get_lock_name(type), file, line);
- }
-#endif
- if (type < 0)
- {
- if (dynlock_lock_callback != NULL)
- {
- struct CRYPTO_dynlock_value *pointer
- = CRYPTO_get_dynlock_value(type);
-
- OPENSSL_assert(pointer != NULL);
-
- dynlock_lock_callback(mode, pointer, file, line);
-
- CRYPTO_destroy_dynlockid(type);
- }
- }
- else
- if (locking_callback != NULL)
- locking_callback(mode,type,file,line);
- }
-
-int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
- int line)
- {
- int ret = 0;
-
- if (add_lock_callback != NULL)
- {
-#ifdef LOCK_DEBUG
- int before= *pointer;
-#endif
+#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[4];
+
+# if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
+#include <stdio.h>
+# define OPENSSL_CPUID_SETUP
+typedef uint64_t IA32CAP;
+void OPENSSL_cpuid_setup(void)
+{
+ static int trigger = 0;
+ IA32CAP OPENSSL_ia32_cpuid(unsigned int *);
+ IA32CAP vec;
+ char *env;
+
+ if (trigger)
+ return;
+
+ trigger = 1;
+ if ((env = getenv("OPENSSL_ia32cap"))) {
+ int off = (env[0] == '~') ? 1 : 0;
+# if defined(_WIN32)
+ if (!sscanf(env + off, "%I64i", &vec))
+ vec = strtoul(env + off, NULL, 0);
+# else
+ if (!sscanf(env + off, "%lli", (long long *)&vec))
+ vec = strtoul(env + off, NULL, 0);
+# endif
+ if (off)
+ vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P) & ~vec;
+ else if (env[0] == ':')
+ vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P);
+
+ OPENSSL_ia32cap_P[2] = 0;
+ if ((env = strchr(env, ':'))) {
+ unsigned int vecx;
+ env++;
+ off = (env[0] == '~') ? 1 : 0;
+ vecx = strtoul(env + off, NULL, 0);
+ if (off)
+ OPENSSL_ia32cap_P[2] &= ~vecx;
+ else
+ OPENSSL_ia32cap_P[2] = vecx;
+ }
+ } else
+ vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P);
- ret=add_lock_callback(pointer,amount,type,file,line);
-#ifdef LOCK_DEBUG
- fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
- CRYPTO_thread_id(),
- before,amount,ret,
- CRYPTO_get_lock_name(type),
- file,line);
-#endif
- }
- else
- {
- CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
-
- ret= *pointer+amount;
-#ifdef LOCK_DEBUG
- fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
- CRYPTO_thread_id(),
- *pointer,amount,ret,
- CRYPTO_get_lock_name(type),
- file,line);
-#endif
- *pointer=ret;
- CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
- }
- return(ret);
- }
-
-const char *CRYPTO_get_lock_name(int type)
- {
- if (type < 0)
- return("dynamic");
- else if (type < CRYPTO_NUM_LOCKS)
- return(lock_names[type]);
- else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks))
- return("ERROR");
- else
- return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS));
- }
-
-#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__)
-
-unsigned long OPENSSL_ia32cap=0;
-unsigned long *OPENSSL_ia32cap_loc() { return &OPENSSL_ia32cap; }
-
-#if !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
-#define OPENSSL_CPUID_SETUP
-void OPENSSL_cpuid_setup()
-{ static int trigger=0;
- unsigned long OPENSSL_ia32_cpuid();
- char *env;
-
- if (trigger) return;
-
- trigger=1;
- if ((env=getenv("OPENSSL_ia32cap")))
- OPENSSL_ia32cap = strtoul(env,NULL,0)|(1<<10);
- else
- OPENSSL_ia32cap = OPENSSL_ia32_cpuid()|(1<<10);
/*
* |(1<<10) sets a reserved bit to signal that variable
* was initialized already... This is to avoid interference
* with cpuid snippets in ELF .init segment.
*/
+ OPENSSL_ia32cap_P[0] = (unsigned int)vec | (1 << 10);
+ OPENSSL_ia32cap_P[1] = (unsigned int)(vec >> 32);
+}
+# else
+unsigned int OPENSSL_ia32cap_P[4];
+# endif
+#endif
+int OPENSSL_NONPIC_relocated = 0;
+#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
+void OPENSSL_cpuid_setup(void)
+{
}
#endif
+#if defined(_WIN32) && !defined(__CYGWIN__)
+# include <tchar.h>
+# include <signal.h>
+# ifdef __WATCOMC__
+# if defined(_UNICODE) || defined(__UNICODE__)
+# define _vsntprintf _vsnwprintf
+# else
+# define _vsntprintf _vsnprintf
+# endif
+# endif
+# ifdef _MSC_VER
+# define alloca _alloca
+# endif
+
+# if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
+int OPENSSL_isservice(void)
+{
+ HWINSTA h;
+ DWORD len;
+ WCHAR *name;
+ static union {
+ void *p;
+ FARPROC f;
+ } _OPENSSL_isservice = {
+ NULL
+ };
+
+ if (_OPENSSL_isservice.p == NULL) {
+ HANDLE mod = GetModuleHandle(NULL);
+ if (mod != NULL)
+ _OPENSSL_isservice.f = GetProcAddress(mod, "_OPENSSL_isservice");
+ if (_OPENSSL_isservice.p == NULL)
+ _OPENSSL_isservice.p = (void *)-1;
+ }
+
+ if (_OPENSSL_isservice.p != (void *)-1)
+ return (*_OPENSSL_isservice.f) ();
+
+ h = GetProcessWindowStation();
+ if (h == NULL)
+ return -1;
+
+ if (GetUserObjectInformationW(h, UOI_NAME, NULL, 0, &len) ||
+ GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+ return -1;
+
+ if (len > 512)
+ return -1; /* paranoia */
+ len++, len &= ~1; /* paranoia */
+ name = (WCHAR *)alloca(len + sizeof(WCHAR));
+ if (!GetUserObjectInformationW(h, UOI_NAME, name, len, &len))
+ return -1;
+
+ len++, len &= ~1; /* paranoia */
+ name[len / sizeof(WCHAR)] = L'\0'; /* paranoia */
+# if 1
+ /*
+ * This doesn't cover "interactive" services [working with real
+ * WinSta0's] nor programs started non-interactively by Task Scheduler
+ * [those are working with SAWinSta].
+ */
+ if (wcsstr(name, L"Service-0x"))
+ return 1;
+# else
+ /* This covers all non-interactive programs such as services. */
+ if (!wcsstr(name, L"WinSta0"))
+ return 1;
+# endif
+ else
+ return 0;
+}
+# else
+int OPENSSL_isservice(void)
+{
+ return 0;
+}
+# endif
+
+void OPENSSL_showfatal(const char *fmta, ...)
+{
+ va_list ap;
+ TCHAR buf[256];
+ const TCHAR *fmt;
+# ifdef STD_ERROR_HANDLE /* what a dirty trick! */
+ HANDLE h;
+
+ if ((h = GetStdHandle(STD_ERROR_HANDLE)) != NULL &&
+ GetFileType(h) != FILE_TYPE_UNKNOWN) {
+ /* must be console application */
+ int len;
+ DWORD out;
+
+ va_start(ap, fmta);
+ len = _vsnprintf((char *)buf, sizeof(buf), fmta, ap);
+ WriteFile(h, buf, len < 0 ? sizeof(buf) : (DWORD) len, &out, NULL);
+ va_end(ap);
+ return;
+ }
+# endif
+
+ if (sizeof(TCHAR) == sizeof(char))
+ fmt = (const TCHAR *)fmta;
+ else
+ do {
+ int keepgoing;
+ size_t len_0 = strlen(fmta) + 1, i;
+ WCHAR *fmtw;
+
+ fmtw = (WCHAR *)alloca(len_0 * sizeof(WCHAR));
+ if (fmtw == NULL) {
+ fmt = (const TCHAR *)L"no stack?";
+ break;
+ }
+ if (!MultiByteToWideChar(CP_ACP, 0, fmta, len_0, fmtw, len_0))
+ for (i = 0; i < len_0; i++)
+ fmtw[i] = (WCHAR)fmta[i];
+ for (i = 0; i < len_0; i++) {
+ if (fmtw[i] == L'%')
+ do {
+ keepgoing = 0;
+ switch (fmtw[i + 1]) {
+ case L'0':
+ case L'1':
+ case L'2':
+ case L'3':
+ case L'4':
+ case L'5':
+ case L'6':
+ case L'7':
+ case L'8':
+ case L'9':
+ case L'.':
+ case L'*':
+ case L'-':
+ i++;
+ keepgoing = 1;
+ break;
+ case L's':
+ fmtw[i + 1] = L'S';
+ break;
+ case L'S':
+ fmtw[i + 1] = L's';
+ break;
+ case L'c':
+ fmtw[i + 1] = L'C';
+ break;
+ case L'C':
+ fmtw[i + 1] = L'c';
+ break;
+ }
+ } while (keepgoing);
+ }
+ fmt = (const TCHAR *)fmtw;
+ } while (0);
+
+ va_start(ap, fmta);
+ _vsntprintf(buf, OSSL_NELEM(buf) - 1, fmt, ap);
+ buf[OSSL_NELEM(buf) - 1] = _T('\0');
+ va_end(ap);
+
+# if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
+ /* this -------------v--- guards NT-specific calls */
+ if (check_winnt() && OPENSSL_isservice() > 0) {
+ HANDLE hEventLog = RegisterEventSource(NULL, _T("OpenSSL"));
+
+ if (hEventLog != NULL) {
+ const TCHAR *pmsg = buf;
+
+ if (!ReportEvent(hEventLog, EVENTLOG_ERROR_TYPE, 0, 0, NULL,
+ 1, 0, &pmsg, NULL)) {
+#if defined(DEBUG)
+ /*
+ * We are in a situation where we tried to report a critical
+ * error and this failed for some reason. As a last resort,
+ * in debug builds, send output to the debugger or any other
+ * tool like DebugView which can monitor the output.
+ */
+ OutputDebugString(pmsg);
#endif
-#if !defined(OPENSSL_CPUID_SETUP)
-void OPENSSL_cpuid_setup() {}
+ }
+
+ (void)DeregisterEventSource(hEventLog);
+ }
+ } else
+# endif
+ MessageBox(NULL, buf, _T("OpenSSL: FATAL"), MB_OK | MB_ICONERROR);
+}
+#else
+void OPENSSL_showfatal(const char *fmta, ...)
+{
+#ifndef OPENSSL_NO_STDIO
+ va_list ap;
+
+ va_start(ap, fmta);
+ vfprintf(stderr, fmta, ap);
+ va_end(ap);
#endif
+}
-#ifdef _DLL
-#ifdef OPENSSL_SYS_WIN32
-
-/* All we really need to do is remove the 'error' state when a thread
- * detaches */
-
-BOOL WINAPI DLLEntryPoint(HINSTANCE hinstDLL, DWORD fdwReason,
- LPVOID lpvReserved)
- {
- switch(fdwReason)
- {
- case DLL_PROCESS_ATTACH:
- OPENSSL_cpuid_setup();
- break;
- case DLL_THREAD_ATTACH:
- break;
- case DLL_THREAD_DETACH:
- ERR_remove_state(0);
- break;
- case DLL_PROCESS_DETACH:
- break;
- }
- return(TRUE);
- }
+int OPENSSL_isservice(void)
+{
+ return 0;
+}
#endif
+void OPENSSL_die(const char *message, const char *file, int line)
+{
+ OPENSSL_showfatal("%s:%d: OpenSSL internal error: %s\n",
+ file, line, message);
+#if !defined(_WIN32) || defined(__CYGWIN__)
+ abort();
+#else
+ /*
+ * Win32 abort() customarily shows a dialog, but we just did that...
+ */
+# if !defined(_WIN32_WCE)
+ raise(SIGABRT);
+# endif
+ _exit(3);
#endif
+}
-void OpenSSLDie(const char *file,int line,const char *assertion)
- {
- fprintf(stderr,
- "%s(%d): OpenSSL internal error, assertion failed: %s\n",
- file,line,assertion);
- abort();
- }
+#if !defined(OPENSSL_CPUID_OBJ)
+/* volatile unsigned char* pointers are there because
+ * 1. Accessing a variable declared volatile via a pointer
+ * that lacks a volatile qualifier causes undefined behavior.
+ * 2. When the variable itself is not volatile the compiler is
+ * not required to keep all those reads and can convert
+ * this into canonical memcmp() which doesn't read the whole block.
+ * Pointers to volatile resolve the first problem fully. The second
+ * problem cannot be resolved in any Standard-compliant way but this
+ * works the problem around. Compilers typically react to
+ * pointers to volatile by preserving the reads and writes through them.
+ * The latter is not required by the Standard if the memory pointed to
+ * is not volatile.
+ * Pointers themselves are volatile in the function signature to work
+ * around a subtle bug in gcc 4.6+ which causes writes through
+ * pointers to volatile to not be emitted in some rare,
+ * never needed in real life, pieces of code.
+ */
+int CRYPTO_memcmp(const volatile void * volatile in_a,
+ const volatile void * volatile in_b,
+ size_t len)
+{
+ size_t i;
+ const volatile unsigned char *a = in_a;
+ const volatile unsigned char *b = in_b;
+ unsigned char x = 0;
+
+ for (i = 0; i < len; i++)
+ x |= a[i] ^ b[i];
+
+ return x;
+}
+#endif
projects / openssl.git / blobdiff