cryptlib.c

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	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

		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__) || \
	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'\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 */
	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('\0');
    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: %s\n",
		file,line,assertion);
	abort();
	}

void *OPENSSL_stderr(void)	{ return stderr; }