svn merge ^/branches/released .

1 files changed, 477 insertions, 471 deletions

diff --git a/openssl/crypto/bio/bss_file.c b/openssl/crypto/bio/bss_file.c
index 8bfa0bcd9..a3d925d94 100644
--- a/openssl/crypto/bio/bss_file.c
+++ b/openssl/crypto/bio/bss_file.c
@@ -1,471 +1,477 @@
-/* crypto/bio/bss_file.c */
-/* 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.]
- */
-
-/*
- * 03-Dec-1997	rdenny@dc3.com  Fix bug preventing use of stdin/stdout
- *		with binary data (e.g. asn1parse -inform DER < xxx) under
- *		Windows
- */
-
-#ifndef HEADER_BSS_FILE_C
-#define HEADER_BSS_FILE_C
-
-#if defined(__linux) || defined(__sun) || defined(__hpux)
-/* Following definition aliases fopen to fopen64 on above mentioned
- * platforms. This makes it possible to open and sequentially access
- * files larger than 2GB from 32-bit application. It does not allow to
- * traverse them beyond 2GB with fseek/ftell, but on the other hand *no*
- * 32-bit platform permits that, not with fseek/ftell. Not to mention
- * that breaking 2GB limit for seeking would require surgery to *our*
- * API. But sequential access suffices for practical cases when you
- * can run into large files, such as fingerprinting, so we can let API
- * alone. For reference, the list of 32-bit platforms which allow for
- * sequential access of large files without extra "magic" comprise *BSD,
- * Darwin, IRIX...
- */
-#ifndef _FILE_OFFSET_BITS
-#define _FILE_OFFSET_BITS 64
-#endif
-#endif
-
-#include <stdio.h>
-#include <errno.h>
-#include "cryptlib.h"
-#include "bio_lcl.h"
-#include <openssl/err.h>
-
-#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
-#include <nwfileio.h>
-#endif
-
-#if !defined(OPENSSL_NO_STDIO)
-
-static int MS_CALLBACK file_write(BIO *h, const char *buf, int num);
-static int MS_CALLBACK file_read(BIO *h, char *buf, int size);
-static int MS_CALLBACK file_puts(BIO *h, const char *str);
-static int MS_CALLBACK file_gets(BIO *h, char *str, int size);
-static long MS_CALLBACK file_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int MS_CALLBACK file_new(BIO *h);
-static int MS_CALLBACK file_free(BIO *data);
-static BIO_METHOD methods_filep=
-	{
-	BIO_TYPE_FILE,
-	"FILE pointer",
-	file_write,
-	file_read,
-	file_puts,
-	file_gets,
-	file_ctrl,
-	file_new,
-	file_free,
-	NULL,
-	};
-
-BIO *BIO_new_file(const char *filename, const char *mode)
-	{
-	BIO  *ret;
-	FILE *file=NULL;
-
-#if defined(_WIN32) && defined(CP_UTF8)
-	int sz, len_0 = (int)strlen(filename)+1;
-
-	/*
-	 * Basically there are three cases to cover: a) filename is
-	 * pure ASCII string; b) actual UTF-8 encoded string and
-	 * c) locale-ized string, i.e. one containing 8-bit
-	 * characters that are meaningful in current system locale.
-	 * If filename is pure ASCII or real UTF-8 encoded string,
-	 * MultiByteToWideChar succeeds and _wfopen works. If
-	 * filename is locale-ized string, chances are that
-	 * MultiByteToWideChar fails reporting
-	 * ERROR_NO_UNICODE_TRANSLATION, in which case we fall
-	 * back to fopen...
-	 */
-	if ((sz=MultiByteToWideChar(CP_UTF8,MB_ERR_INVALID_CHARS,
-					filename,len_0,NULL,0))>0)
-		{
-		WCHAR  wmode[8];
-		WCHAR *wfilename = _alloca(sz*sizeof(WCHAR));
-
-		if (MultiByteToWideChar(CP_UTF8,MB_ERR_INVALID_CHARS,
-					filename,len_0,wfilename,sz) &&
-		    MultiByteToWideChar(CP_UTF8,0,mode,strlen(mode)+1,
-			    		wmode,sizeof(wmode)/sizeof(wmode[0])) &&
-		    (file=_wfopen(wfilename,wmode))==NULL && errno==ENOENT
-		   )	/* UTF-8 decode succeeded, but no file, filename
-			 * could still have been locale-ized... */
-			file = fopen(filename,mode);
-		}
-	else if (GetLastError()==ERROR_NO_UNICODE_TRANSLATION)
-		{
-		file = fopen(filename,mode);
-		}
-#else
-	file=fopen(filename,mode);	
-#endif
-	if (file == NULL)
-		{
-		SYSerr(SYS_F_FOPEN,get_last_sys_error());
-		ERR_add_error_data(5,"fopen('",filename,"','",mode,"')");
-		if (errno == ENOENT)
-			BIOerr(BIO_F_BIO_NEW_FILE,BIO_R_NO_SUCH_FILE);
-		else
-			BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);
-		return(NULL);
-		}
-	if ((ret=BIO_new(BIO_s_file())) == NULL)
-		{
-		fclose(file);
-		return(NULL);
-		}
-
-	BIO_clear_flags(ret,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */
-	BIO_set_fp(ret,file,BIO_CLOSE);
-	return(ret);
-	}
-
-BIO *BIO_new_fp(FILE *stream, int close_flag)
-	{
-	BIO *ret;
-
-	if ((ret=BIO_new(BIO_s_file())) == NULL)
-		return(NULL);
-
-	BIO_set_flags(ret,BIO_FLAGS_UPLINK); /* redundant, left for documentation puposes */
-	BIO_set_fp(ret,stream,close_flag);
-	return(ret);
-	}
-
-BIO_METHOD *BIO_s_file(void)
-	{
-	return(&methods_filep);
-	}
-
-static int MS_CALLBACK file_new(BIO *bi)
-	{
-	bi->init=0;
-	bi->num=0;
-	bi->ptr=NULL;
-	bi->flags=BIO_FLAGS_UPLINK; /* default to UPLINK */
-	return(1);
-	}
-
-static int MS_CALLBACK file_free(BIO *a)
-	{
-	if (a == NULL) return(0);
-	if (a->shutdown)
-		{
-		if ((a->init) && (a->ptr != NULL))
-			{
-			if (a->flags&BIO_FLAGS_UPLINK)
-				UP_fclose (a->ptr);
-			else
-				fclose (a->ptr);
-			a->ptr=NULL;
-			a->flags=BIO_FLAGS_UPLINK;
-			}
-		a->init=0;
-		}
-	return(1);
-	}
-	
-static int MS_CALLBACK file_read(BIO *b, char *out, int outl)
-	{
-	int ret=0;
-
-	if (b->init && (out != NULL))
-		{
-		if (b->flags&BIO_FLAGS_UPLINK)
-			ret=UP_fread(out,1,(int)outl,b->ptr);
-		else
-			ret=fread(out,1,(int)outl,(FILE *)b->ptr);
-		if(ret == 0 && (b->flags&BIO_FLAGS_UPLINK)?UP_ferror((FILE *)b->ptr):ferror((FILE *)b->ptr))
-			{
-			SYSerr(SYS_F_FREAD,get_last_sys_error());
-			BIOerr(BIO_F_FILE_READ,ERR_R_SYS_LIB);
-			ret=-1;
-			}
-		}
-	return(ret);
-	}
-
-static int MS_CALLBACK file_write(BIO *b, const char *in, int inl)
-	{
-	int ret=0;
-
-	if (b->init && (in != NULL))
-		{
-		if (b->flags&BIO_FLAGS_UPLINK)
-			ret=UP_fwrite(in,(int)inl,1,b->ptr);
-		else
-			ret=fwrite(in,(int)inl,1,(FILE *)b->ptr);
-		if (ret)
-			ret=inl;
-		/* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
-		/* according to Tim Hudson <tjh@cryptsoft.com>, the commented
-		 * out version above can cause 'inl' write calls under
-		 * some stupid stdio implementations (VMS) */
-		}
-	return(ret);
-	}
-
-static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	long ret=1;
-	FILE *fp=(FILE *)b->ptr;
-	FILE **fpp;
-	char p[4];
-
-	switch (cmd)
-		{
-	case BIO_C_FILE_SEEK:
-	case BIO_CTRL_RESET:
-		if (b->flags&BIO_FLAGS_UPLINK)
-			ret=(long)UP_fseek(b->ptr,num,0);
-		else
-			ret=(long)fseek(fp,num,0);
-		break;
-	case BIO_CTRL_EOF:
-		if (b->flags&BIO_FLAGS_UPLINK)
-			ret=(long)UP_feof(fp);
-		else
-			ret=(long)feof(fp);
-		break;
-	case BIO_C_FILE_TELL:
-	case BIO_CTRL_INFO:
-		if (b->flags&BIO_FLAGS_UPLINK)
-			ret=UP_ftell(b->ptr);
-		else
-			ret=ftell(fp);
-		break;
-	case BIO_C_SET_FILE_PTR:
-		file_free(b);
-		b->shutdown=(int)num&BIO_CLOSE;
-		b->ptr=ptr;
-		b->init=1;
-#if BIO_FLAGS_UPLINK!=0
-#if defined(__MINGW32__) && defined(__MSVCRT__) && !defined(_IOB_ENTRIES)
-#define _IOB_ENTRIES 20
-#endif
-#if defined(_IOB_ENTRIES)
-		/* Safety net to catch purely internal BIO_set_fp calls */
-		if ((size_t)ptr >= (size_t)stdin &&
-		    (size_t)ptr <  (size_t)(stdin+_IOB_ENTRIES))
-			BIO_clear_flags(b,BIO_FLAGS_UPLINK);
-#endif
-#endif
-#ifdef UP_fsetmod
-		if (b->flags&BIO_FLAGS_UPLINK)
-			UP_fsetmod(b->ptr,(char)((num&BIO_FP_TEXT)?'t':'b'));
-		else
-#endif
-		{
-#if defined(OPENSSL_SYS_WINDOWS)
-		int fd = _fileno((FILE*)ptr);
-		if (num & BIO_FP_TEXT)
-			_setmode(fd,_O_TEXT);
-		else
-			_setmode(fd,_O_BINARY);
-#elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
-		int fd = fileno((FILE*)ptr);
-		/* Under CLib there are differences in file modes */
-		if (num & BIO_FP_TEXT)
-			setmode(fd,O_TEXT);
-		else
-			setmode(fd,O_BINARY);
-#elif defined(OPENSSL_SYS_MSDOS)
-		int fd = fileno((FILE*)ptr);
-		/* Set correct text/binary mode */
-		if (num & BIO_FP_TEXT)
-			_setmode(fd,_O_TEXT);
-		/* Dangerous to set stdin/stdout to raw (unless redirected) */
-		else
-			{
-			if (fd == STDIN_FILENO || fd == STDOUT_FILENO)
-				{
-				if (isatty(fd) <= 0)
-					_setmode(fd,_O_BINARY);
-				}
-			else
-				_setmode(fd,_O_BINARY);
-			}
-#elif defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
-		int fd = fileno((FILE*)ptr);
-		if (num & BIO_FP_TEXT)
-			setmode(fd, O_TEXT);
-		else
-			setmode(fd, O_BINARY);
-#endif
-		}
-		break;
-	case BIO_C_SET_FILENAME:
-		file_free(b);
-		b->shutdown=(int)num&BIO_CLOSE;
-		if (num & BIO_FP_APPEND)
-			{
-			if (num & BIO_FP_READ)
-				BUF_strlcpy(p,"a+",sizeof p);
-			else	BUF_strlcpy(p,"a",sizeof p);
-			}
-		else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
-			BUF_strlcpy(p,"r+",sizeof p);
-		else if (num & BIO_FP_WRITE)
-			BUF_strlcpy(p,"w",sizeof p);
-		else if (num & BIO_FP_READ)
-			BUF_strlcpy(p,"r",sizeof p);
-		else
-			{
-			BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE);
-			ret=0;
-			break;
-			}
-#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
-		if (!(num & BIO_FP_TEXT))
-			strcat(p,"b");
-		else
-			strcat(p,"t");
-#endif
-#if defined(OPENSSL_SYS_NETWARE)
-		if (!(num & BIO_FP_TEXT))
-			strcat(p,"b");
-		else
-			strcat(p,"t");
-#endif
-		fp=fopen(ptr,p);
-		if (fp == NULL)
-			{
-			SYSerr(SYS_F_FOPEN,get_last_sys_error());
-			ERR_add_error_data(5,"fopen('",ptr,"','",p,"')");
-			BIOerr(BIO_F_FILE_CTRL,ERR_R_SYS_LIB);
-			ret=0;
-			break;
-			}
-		b->ptr=fp;
-		b->init=1;
-		BIO_clear_flags(b,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */
-		break;
-	case BIO_C_GET_FILE_PTR:
-		/* the ptr parameter is actually a FILE ** in this case. */
-		if (ptr != NULL)
-			{
-			fpp=(FILE **)ptr;
-			*fpp=(FILE *)b->ptr;
-			}
-		break;
-	case BIO_CTRL_GET_CLOSE:
-		ret=(long)b->shutdown;
-		break;
-	case BIO_CTRL_SET_CLOSE:
-		b->shutdown=(int)num;
-		break;
-	case BIO_CTRL_FLUSH:
-		if (b->flags&BIO_FLAGS_UPLINK)
-			UP_fflush(b->ptr);
-		else
-			fflush((FILE *)b->ptr);
-		break;
-	case BIO_CTRL_DUP:
-		ret=1;
-		break;
-
-	case BIO_CTRL_WPENDING:
-	case BIO_CTRL_PENDING:
-	case BIO_CTRL_PUSH:
-	case BIO_CTRL_POP:
-	default:
-		ret=0;
-		break;
-		}
-	return(ret);
-	}
-
-static int MS_CALLBACK file_gets(BIO *bp, char *buf, int size)
-	{
-	int ret=0;
-
-	buf[0]='\0';
-	if (bp->flags&BIO_FLAGS_UPLINK)
-		{
-		if (!UP_fgets(buf,size,bp->ptr))
-			goto err;
-		}
-	else
-		{
-		if (!fgets(buf,size,(FILE *)bp->ptr))
-			goto err;
-		}
-	if (buf[0] != '\0')
-		ret=strlen(buf);
-	err:
-	return(ret);
-	}
-
-static int MS_CALLBACK file_puts(BIO *bp, const char *str)
-	{
-	int n,ret;
-
-	n=strlen(str);
-	ret=file_write(bp,str,n);
-	return(ret);
-	}
-
-#endif /* OPENSSL_NO_STDIO */
-
-#endif /* HEADER_BSS_FILE_C */
-
-
+/* crypto/bio/bss_file.c */

+/* 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.]

+ */

+

+/*

+ * 03-Dec-1997	rdenny@dc3.com  Fix bug preventing use of stdin/stdout

+ *		with binary data (e.g. asn1parse -inform DER < xxx) under

+ *		Windows

+ */

+

+#ifndef HEADER_BSS_FILE_C

+#define HEADER_BSS_FILE_C

+

+#if defined(__linux) || defined(__sun) || defined(__hpux)

+/* Following definition aliases fopen to fopen64 on above mentioned

+ * platforms. This makes it possible to open and sequentially access

+ * files larger than 2GB from 32-bit application. It does not allow to

+ * traverse them beyond 2GB with fseek/ftell, but on the other hand *no*

+ * 32-bit platform permits that, not with fseek/ftell. Not to mention

+ * that breaking 2GB limit for seeking would require surgery to *our*

+ * API. But sequential access suffices for practical cases when you

+ * can run into large files, such as fingerprinting, so we can let API

+ * alone. For reference, the list of 32-bit platforms which allow for

+ * sequential access of large files without extra "magic" comprise *BSD,

+ * Darwin, IRIX...

+ */

+#ifndef _FILE_OFFSET_BITS

+#define _FILE_OFFSET_BITS 64

+#endif

+#endif

+

+#include <stdio.h>

+#include <errno.h>

+#include "cryptlib.h"

+#include "bio_lcl.h"

+#include <openssl/err.h>

+

+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)

+#include <nwfileio.h>

+#endif

+

+#if !defined(OPENSSL_NO_STDIO)

+

+static int MS_CALLBACK file_write(BIO *h, const char *buf, int num);

+static int MS_CALLBACK file_read(BIO *h, char *buf, int size);

+static int MS_CALLBACK file_puts(BIO *h, const char *str);

+static int MS_CALLBACK file_gets(BIO *h, char *str, int size);

+static long MS_CALLBACK file_ctrl(BIO *h, int cmd, long arg1, void *arg2);

+static int MS_CALLBACK file_new(BIO *h);

+static int MS_CALLBACK file_free(BIO *data);

+static BIO_METHOD methods_filep=

+	{

+	BIO_TYPE_FILE,

+	"FILE pointer",

+	file_write,

+	file_read,

+	file_puts,

+	file_gets,

+	file_ctrl,

+	file_new,

+	file_free,

+	NULL,

+	};

+

+BIO *BIO_new_file(const char *filename, const char *mode)

+	{

+	BIO  *ret;

+	FILE *file=NULL;

+

+#if defined(_WIN32) && defined(CP_UTF8)

+	int sz, len_0 = (int)strlen(filename)+1;

+	DWORD flags;

+

+	/*

+	 * Basically there are three cases to cover: a) filename is

+	 * pure ASCII string; b) actual UTF-8 encoded string and

+	 * c) locale-ized string, i.e. one containing 8-bit

+	 * characters that are meaningful in current system locale.

+	 * If filename is pure ASCII or real UTF-8 encoded string,

+	 * MultiByteToWideChar succeeds and _wfopen works. If

+	 * filename is locale-ized string, chances are that

+	 * MultiByteToWideChar fails reporting

+	 * ERROR_NO_UNICODE_TRANSLATION, in which case we fall

+	 * back to fopen...

+	 */

+	if ((sz=MultiByteToWideChar(CP_UTF8,(flags=MB_ERR_INVALID_CHARS),

+					filename,len_0,NULL,0))>0 ||

+	    (GetLastError()==ERROR_INVALID_FLAGS &&

+	     (sz=MultiByteToWideChar(CP_UTF8,(flags=0),

+					filename,len_0,NULL,0))>0)

+	   )

+		{

+		WCHAR  wmode[8];

+		WCHAR *wfilename = _alloca(sz*sizeof(WCHAR));

+

+		if (MultiByteToWideChar(CP_UTF8,flags,

+					filename,len_0,wfilename,sz) &&

+		    MultiByteToWideChar(CP_UTF8,0,mode,strlen(mode)+1,

+			    		wmode,sizeof(wmode)/sizeof(wmode[0])) &&

+		    (file=_wfopen(wfilename,wmode))==NULL &&

+		    (errno==ENOENT || errno==EBADF)

+		   )	/* UTF-8 decode succeeded, but no file, filename

+			 * could still have been locale-ized... */

+			file = fopen(filename,mode);

+		}

+	else if (GetLastError()==ERROR_NO_UNICODE_TRANSLATION)

+		{

+		file = fopen(filename,mode);

+		}

+#else

+	file=fopen(filename,mode);	

+#endif

+	if (file == NULL)

+		{

+		SYSerr(SYS_F_FOPEN,get_last_sys_error());

+		ERR_add_error_data(5,"fopen('",filename,"','",mode,"')");

+		if (errno == ENOENT)

+			BIOerr(BIO_F_BIO_NEW_FILE,BIO_R_NO_SUCH_FILE);

+		else

+			BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);

+		return(NULL);

+		}

+	if ((ret=BIO_new(BIO_s_file())) == NULL)

+		{

+		fclose(file);

+		return(NULL);

+		}

+

+	BIO_clear_flags(ret,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */

+	BIO_set_fp(ret,file,BIO_CLOSE);

+	return(ret);

+	}

+

+BIO *BIO_new_fp(FILE *stream, int close_flag)

+	{

+	BIO *ret;

+

+	if ((ret=BIO_new(BIO_s_file())) == NULL)

+		return(NULL);

+

+	BIO_set_flags(ret,BIO_FLAGS_UPLINK); /* redundant, left for documentation puposes */

+	BIO_set_fp(ret,stream,close_flag);

+	return(ret);

+	}

+

+BIO_METHOD *BIO_s_file(void)

+	{

+	return(&methods_filep);

+	}

+

+static int MS_CALLBACK file_new(BIO *bi)

+	{

+	bi->init=0;

+	bi->num=0;

+	bi->ptr=NULL;

+	bi->flags=BIO_FLAGS_UPLINK; /* default to UPLINK */

+	return(1);

+	}

+

+static int MS_CALLBACK file_free(BIO *a)

+	{

+	if (a == NULL) return(0);

+	if (a->shutdown)

+		{

+		if ((a->init) && (a->ptr != NULL))

+			{

+			if (a->flags&BIO_FLAGS_UPLINK)

+				UP_fclose (a->ptr);

+			else

+				fclose (a->ptr);

+			a->ptr=NULL;

+			a->flags=BIO_FLAGS_UPLINK;

+			}

+		a->init=0;

+		}

+	return(1);

+	}

+	

+static int MS_CALLBACK file_read(BIO *b, char *out, int outl)

+	{

+	int ret=0;

+

+	if (b->init && (out != NULL))

+		{

+		if (b->flags&BIO_FLAGS_UPLINK)

+			ret=UP_fread(out,1,(int)outl,b->ptr);

+		else

+			ret=fread(out,1,(int)outl,(FILE *)b->ptr);

+		if(ret == 0 && (b->flags&BIO_FLAGS_UPLINK)?UP_ferror((FILE *)b->ptr):ferror((FILE *)b->ptr))

+			{

+			SYSerr(SYS_F_FREAD,get_last_sys_error());

+			BIOerr(BIO_F_FILE_READ,ERR_R_SYS_LIB);

+			ret=-1;

+			}

+		}

+	return(ret);

+	}

+

+static int MS_CALLBACK file_write(BIO *b, const char *in, int inl)

+	{

+	int ret=0;

+

+	if (b->init && (in != NULL))

+		{

+		if (b->flags&BIO_FLAGS_UPLINK)

+			ret=UP_fwrite(in,(int)inl,1,b->ptr);

+		else

+			ret=fwrite(in,(int)inl,1,(FILE *)b->ptr);

+		if (ret)

+			ret=inl;

+		/* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */

+		/* according to Tim Hudson <tjh@cryptsoft.com>, the commented

+		 * out version above can cause 'inl' write calls under

+		 * some stupid stdio implementations (VMS) */

+		}

+	return(ret);

+	}

+

+static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)

+	{

+	long ret=1;

+	FILE *fp=(FILE *)b->ptr;

+	FILE **fpp;

+	char p[4];

+

+	switch (cmd)

+		{

+	case BIO_C_FILE_SEEK:

+	case BIO_CTRL_RESET:

+		if (b->flags&BIO_FLAGS_UPLINK)

+			ret=(long)UP_fseek(b->ptr,num,0);

+		else

+			ret=(long)fseek(fp,num,0);

+		break;

+	case BIO_CTRL_EOF:

+		if (b->flags&BIO_FLAGS_UPLINK)

+			ret=(long)UP_feof(fp);

+		else

+			ret=(long)feof(fp);

+		break;

+	case BIO_C_FILE_TELL:

+	case BIO_CTRL_INFO:

+		if (b->flags&BIO_FLAGS_UPLINK)

+			ret=UP_ftell(b->ptr);

+		else

+			ret=ftell(fp);

+		break;

+	case BIO_C_SET_FILE_PTR:

+		file_free(b);

+		b->shutdown=(int)num&BIO_CLOSE;

+		b->ptr=ptr;

+		b->init=1;

+#if BIO_FLAGS_UPLINK!=0

+#if defined(__MINGW32__) && defined(__MSVCRT__) && !defined(_IOB_ENTRIES)

+#define _IOB_ENTRIES 20

+#endif

+#if defined(_IOB_ENTRIES)

+		/* Safety net to catch purely internal BIO_set_fp calls */

+		if ((size_t)ptr >= (size_t)stdin &&

+		    (size_t)ptr <  (size_t)(stdin+_IOB_ENTRIES))

+			BIO_clear_flags(b,BIO_FLAGS_UPLINK);

+#endif

+#endif

+#ifdef UP_fsetmod

+		if (b->flags&BIO_FLAGS_UPLINK)

+			UP_fsetmod(b->ptr,(char)((num&BIO_FP_TEXT)?'t':'b'));

+		else

+#endif

+		{

+#if defined(OPENSSL_SYS_WINDOWS)

+		int fd = _fileno((FILE*)ptr);

+		if (num & BIO_FP_TEXT)

+			_setmode(fd,_O_TEXT);

+		else

+			_setmode(fd,_O_BINARY);

+#elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)

+		int fd = fileno((FILE*)ptr);

+		/* Under CLib there are differences in file modes */

+		if (num & BIO_FP_TEXT)

+			setmode(fd,O_TEXT);

+		else

+			setmode(fd,O_BINARY);

+#elif defined(OPENSSL_SYS_MSDOS)

+		int fd = fileno((FILE*)ptr);

+		/* Set correct text/binary mode */

+		if (num & BIO_FP_TEXT)

+			_setmode(fd,_O_TEXT);

+		/* Dangerous to set stdin/stdout to raw (unless redirected) */

+		else

+			{

+			if (fd == STDIN_FILENO || fd == STDOUT_FILENO)

+				{

+				if (isatty(fd) <= 0)

+					_setmode(fd,_O_BINARY);

+				}

+			else

+				_setmode(fd,_O_BINARY);

+			}

+#elif defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)

+		int fd = fileno((FILE*)ptr);

+		if (num & BIO_FP_TEXT)

+			setmode(fd, O_TEXT);

+		else

+			setmode(fd, O_BINARY);

+#endif

+		}

+		break;

+	case BIO_C_SET_FILENAME:

+		file_free(b);

+		b->shutdown=(int)num&BIO_CLOSE;

+		if (num & BIO_FP_APPEND)

+			{

+			if (num & BIO_FP_READ)

+				BUF_strlcpy(p,"a+",sizeof p);

+			else	BUF_strlcpy(p,"a",sizeof p);

+			}

+		else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))

+			BUF_strlcpy(p,"r+",sizeof p);

+		else if (num & BIO_FP_WRITE)

+			BUF_strlcpy(p,"w",sizeof p);

+		else if (num & BIO_FP_READ)

+			BUF_strlcpy(p,"r",sizeof p);

+		else

+			{

+			BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE);

+			ret=0;

+			break;

+			}

+#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)

+		if (!(num & BIO_FP_TEXT))

+			strcat(p,"b");

+		else

+			strcat(p,"t");

+#endif

+#if defined(OPENSSL_SYS_NETWARE)

+		if (!(num & BIO_FP_TEXT))

+			strcat(p,"b");

+		else

+			strcat(p,"t");

+#endif

+		fp=fopen(ptr,p);

+		if (fp == NULL)

+			{

+			SYSerr(SYS_F_FOPEN,get_last_sys_error());

+			ERR_add_error_data(5,"fopen('",ptr,"','",p,"')");

+			BIOerr(BIO_F_FILE_CTRL,ERR_R_SYS_LIB);

+			ret=0;

+			break;

+			}

+		b->ptr=fp;

+		b->init=1;

+		BIO_clear_flags(b,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */

+		break;

+	case BIO_C_GET_FILE_PTR:

+		/* the ptr parameter is actually a FILE ** in this case. */

+		if (ptr != NULL)

+			{

+			fpp=(FILE **)ptr;

+			*fpp=(FILE *)b->ptr;

+			}

+		break;

+	case BIO_CTRL_GET_CLOSE:

+		ret=(long)b->shutdown;

+		break;

+	case BIO_CTRL_SET_CLOSE:

+		b->shutdown=(int)num;

+		break;

+	case BIO_CTRL_FLUSH:

+		if (b->flags&BIO_FLAGS_UPLINK)

+			UP_fflush(b->ptr);

+		else

+			fflush((FILE *)b->ptr);

+		break;

+	case BIO_CTRL_DUP:

+		ret=1;

+		break;

+

+	case BIO_CTRL_WPENDING:

+	case BIO_CTRL_PENDING:

+	case BIO_CTRL_PUSH:

+	case BIO_CTRL_POP:

+	default:

+		ret=0;

+		break;

+		}

+	return(ret);

+	}

+

+static int MS_CALLBACK file_gets(BIO *bp, char *buf, int size)

+	{

+	int ret=0;

+

+	buf[0]='\0';

+	if (bp->flags&BIO_FLAGS_UPLINK)

+		{

+		if (!UP_fgets(buf,size,bp->ptr))

+			goto err;

+		}

+	else

+		{

+		if (!fgets(buf,size,(FILE *)bp->ptr))

+			goto err;

+		}

+	if (buf[0] != '\0')

+		ret=strlen(buf);

+	err:

+	return(ret);

+	}

+

+static int MS_CALLBACK file_puts(BIO *bp, const char *str)

+	{

+	int n,ret;

+

+	n=strlen(str);

+	ret=file_write(bp,str,n);

+	return(ret);

+	}

+

+#endif /* OPENSSL_NO_STDIO */

+

+#endif /* HEADER_BSS_FILE_C */

+

+