cryptlib.c
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上传日期:2020-08-09
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- /* 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.
- *
- * 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.]
- */
- /* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECDH support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
- */
- #include "cryptlib.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 countn");
- 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:%dn",
- 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
- ret=add_lock_callback(pointer,amount,type,file,line);
- #ifdef LOCK_DEBUG
- fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%dn",
- 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:%dn",
- 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__) ||
- defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64)
- unsigned long OPENSSL_ia32cap_P=0;
- unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; }
- #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
- #define OPENSSL_CPUID_SETUP
- void OPENSSL_cpuid_setup(void)
- { static int trigger=0;
- unsigned long OPENSSL_ia32_cpuid(void);
- char *env;
- if (trigger) return;
- trigger=1;
- if ((env=getenv("OPENSSL_ia32cap")))
- OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10);
- else
- OPENSSL_ia32cap_P = 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.
- */
- }
- #endif
- #else
- unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; }
- #endif
- int OPENSSL_NONPIC_relocated = 0;
- #if !defined(OPENSSL_CPUID_SETUP)
- void OPENSSL_cpuid_setup(void) {}
- #endif
- #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
- #ifdef __CYGWIN__
- /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
- #include <windows.h>
- #endif
- /* All we really need to do is remove the 'error' state when a thread
- * detaches */
- BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
- LPVOID lpvReserved)
- {
- switch(fdwReason)
- {
- case DLL_PROCESS_ATTACH:
- OPENSSL_cpuid_setup();
- #if defined(_WIN32_WINNT)
- {
- IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL;
- IMAGE_NT_HEADERS *nt_headers;
- if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
- {
- nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header
- + dos_header->e_lfanew);
- if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
- hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase))
- OPENSSL_NONPIC_relocated=1;
- }
- }
- #endif
- break;
- case DLL_THREAD_ATTACH:
- break;
- case DLL_THREAD_DETACH:
- ERR_remove_state(0);
- break;
- case DLL_PROCESS_DETACH:
- break;
- }
- return(TRUE);
- }
- #endif
- #if defined(_WIN32) && !defined(__CYGWIN__)
- #include <tchar.h>
- #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
- int OPENSSL_isservice(void)
- { HWINSTA h;
- DWORD len;
- WCHAR *name;
- (void)GetDesktopWindow(); /* return value is ignored */
- 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 */
- #ifdef _MSC_VER
- name=(WCHAR *)_alloca(len+sizeof(WCHAR));
- #else
- name=(WCHAR *)alloca(len+sizeof(WCHAR));
- #endif
- if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len))
- return -1;
- len++,len&=~1; /* paranoia */
- name[len/sizeof(WCHAR)]=L' '; /* 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 */
- va_start (ap,fmta);
- vfprintf (stderr,fmta,ap);
- 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;
- #ifdef _MSC_VER
- fmtw = (WCHAR *)_alloca (len_0*sizeof(WCHAR));
- #else
- fmtw = (WCHAR *)alloca (len_0*sizeof(WCHAR));
- #endif
- if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; }
- #ifndef OPENSSL_NO_MULTIBYTE
- if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0))
- #endif
- 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,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap);
- buf [sizeof(buf)/sizeof(TCHAR)-1] = _T(' ');
- va_end (ap);
- #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
- /* this -------------v--- guards NT-specific calls */
- if (GetVersion() < 0x80000000 && OPENSSL_isservice())
- { HANDLE h = RegisterEventSource(0,_T("OPENSSL"));
- const TCHAR *pmsg=buf;
- ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0);
- DeregisterEventSource(h);
- }
- else
- #endif
- MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP);
- }
- #else
- void OPENSSL_showfatal (const char *fmta,...)
- { va_list ap;
- va_start (ap,fmta);
- vfprintf (stderr,fmta,ap);
- va_end (ap);
- }
- int OPENSSL_isservice (void) { return 0; }
- #endif
- void OpenSSLDie(const char *file,int line,const char *assertion)
- {
- OPENSSL_showfatal(
- "%s(%d): OpenSSL internal error, assertion failed: %sn",
- file,line,assertion);
- abort();
- }
- void *OPENSSL_stderr(void) { return stderr; }