[thirdparty/openssl.git] / crypto / bio / 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

#include <stdio.h>
#include <errno.h>
#include "cryptlib.h"
#include <openssl/bio.h>
#include <openssl/err.h>

#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;

	if ((file=fopen(filename,mode)) == 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_internal())) == NULL)
		return(NULL);

	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_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;
	return(1);
	}

static int MS_CALLBACK file_free(BIO *a)
	{
	if (a == NULL) return(0);
	if (a->shutdown)
		{
		if ((a->init) && (a->ptr != NULL))
			{
			fclose((FILE *)a->ptr);
			a->ptr=NULL;
			}
		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))
		{
		ret=fread(out,1,(int)outl,(FILE *)b->ptr);
		if(ret == 0 && 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 (fwrite(in,(int)inl,1,(FILE *)b->ptr))
			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:
		ret=(long)fseek(fp,num,0);
		break;
	case BIO_CTRL_EOF:
		ret=(long)feof(fp);
		break;
	case BIO_C_FILE_TELL:
	case BIO_CTRL_INFO:
		ret=ftell(fp);
		break;
	case BIO_C_SET_FILE_PTR:
		file_free(b);
		b->shutdown=(int)num&BIO_CLOSE;
		b->ptr=(char *)ptr;
		b->init=1;
#if defined(OPENSSL_SYS_WINDOWS)
		if (num & BIO_FP_TEXT)
			_setmode(fd,_O_TEXT);
		else
			_setmode(fd,_O_BINARY);
#elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
         /* Under CLib there are differences in file modes
         */
		if (num & BIO_FP_TEXT)
			_setmode(fileno((FILE *)ptr),O_TEXT);
		else
			_setmode(fileno((FILE *)ptr),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)
		if (num & BIO_FP_TEXT)
			setmode(fileno((FILE *)ptr), O_TEXT);
		else
			setmode(fileno((FILE *)ptr), 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)
				strcpy(p,"a+");
			else	strcpy(p,"a");
			}
		else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
			strcpy(p,"r+");
		else if (num & BIO_FP_WRITE)
			strcpy(p,"w");
		else if (num & BIO_FP_READ)
			strcpy(p,"r");
		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)
		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=(char *)fp;
		b->init=1;
		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:
		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';
	fgets(buf,size,(FILE *)bp->ptr);
	if (buf[0] != '\0')
		ret=strlen(buf);
	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 */
Commit	Line	Data
d02b48c6	1	/* crypto/bio/bss_file.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
58964a49 RE	59	/*
	60	* 03-Dec-1997 rdenny@dc3.com Fix bug preventing use of stdin/stdout
	61	* with binary data (e.g. asn1parse -inform DER < xxx) under
	62	* Windows
	63	*/
	64
	65	#ifndef HEADER_BSS_FILE_C
	66	#define HEADER_BSS_FILE_C
	67
d02b48c6 RE	68	#include <stdio.h>
	69	#include <errno.h>
	70	#include "cryptlib.h"
ec577822 BM	71	#include <openssl/bio.h>
ec577822 BM	72	#include <openssl/err.h>
d02b48c6	73
cf1b7d96	74	#if !defined(OPENSSL_NO_STDIO)
58964a49	75
0e1c0612 UM	76	static int MS_CALLBACK file_write(BIO h, const char buf, int num);
	77	static int MS_CALLBACK file_read(BIO h, char buf, int size);
	78	static int MS_CALLBACK file_puts(BIO h, const char str);
	79	static int MS_CALLBACK file_gets(BIO h, char str, int size);
	80	static long MS_CALLBACK file_ctrl(BIO h, int cmd, long arg1, void arg2);
d02b48c6 RE	81	static int MS_CALLBACK file_new(BIO *h);
d02b48c6 RE	82	static int MS_CALLBACK file_free(BIO *data);
d02b48c6 RE	83	static BIO_METHOD methods_filep=
d02b48c6 RE	84	{
58964a49 RE	85	BIO_TYPE_FILE,
58964a49 RE	86	"FILE pointer",
d02b48c6 RE	87	file_write,
	88	file_read,
	89	file_puts,
	90	file_gets,
	91	file_ctrl,
	92	file_new,
	93	file_free,
d3442bc7	94	NULL,
d02b48c6 RE	95	};
d02b48c6 RE	96
72fbe87d	97	BIO BIO_new_file(const char filename, const char *mode)
d02b48c6 RE	98	{
	99	BIO *ret;
	100	FILE *file;
	101
	102	if ((file=fopen(filename,mode)) == NULL)
	103	{
58964a49 RE	104	SYSerr(SYS_F_FOPEN,get_last_sys_error());
58964a49 RE	105	ERR_add_error_data(5,"fopen('",filename,"','",mode,"')");
a14e2d9d	106	if (errno == ENOENT)
0fc5cf08 BL	107	BIOerr(BIO_F_BIO_NEW_FILE,BIO_R_NO_SUCH_FILE);
	108	else
	109	BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);
d02b48c6 RE	110	return(NULL);
d02b48c6 RE	111	}
58964a49	112	if ((ret=BIO_new(BIO_s_file_internal())) == NULL)
d02b48c6	113	return(NULL);
d02b48c6 RE	114
	115	BIO_set_fp(ret,file,BIO_CLOSE);
	116	return(ret);
	117	}
	118
6b691a5c	119	BIO BIO_new_fp(FILE stream, int close_flag)
d02b48c6 RE	120	{
	121	BIO *ret;
	122
	123	if ((ret=BIO_new(BIO_s_file())) == NULL)
	124	return(NULL);
d02b48c6 RE	125
	126	BIO_set_fp(ret,stream,close_flag);
	127	return(ret);
	128	}
d02b48c6	129
6b691a5c	130	BIO_METHOD *BIO_s_file(void)
d02b48c6 RE	131	{
	132	return(&methods_filep);
	133	}
	134
6b691a5c	135	static int MS_CALLBACK file_new(BIO *bi)
d02b48c6 RE	136	{
	137	bi->init=0;
	138	bi->num=0;
	139	bi->ptr=NULL;
	140	return(1);
	141	}
	142
6b691a5c	143	static int MS_CALLBACK file_free(BIO *a)
d02b48c6 RE	144	{
	145	if (a == NULL) return(0);
	146	if (a->shutdown)
	147	{
	148	if ((a->init) && (a->ptr != NULL))
	149	{
	150	fclose((FILE *)a->ptr);
	151	a->ptr=NULL;
	152	}
	153	a->init=0;
	154	}
	155	return(1);
	156	}
	157
6b691a5c	158	static int MS_CALLBACK file_read(BIO b, char out, int outl)
d02b48c6 RE	159	{
	160	int ret=0;
	161
	162	if (b->init && (out != NULL))
	163	{
	164	ret=fread(out,1,(int)outl,(FILE *)b->ptr);
d15711ef BL	165	if(ret == 0 && ferror((FILE *)b->ptr))
	166	{
	167	SYSerr(SYS_F_FREAD,get_last_sys_error());
	168	BIOerr(BIO_F_FILE_READ,ERR_R_SYS_LIB);
	169	ret=-1;
	170	}
d02b48c6 RE	171	}
	172	return(ret);
	173	}
	174
0e1c0612	175	static int MS_CALLBACK file_write(BIO b, const char in, int inl)
d02b48c6 RE	176	{
	177	int ret=0;
	178
	179	if (b->init && (in != NULL))
	180	{
	181	if (fwrite(in,(int)inl,1,(FILE *)b->ptr))
	182	ret=inl;
	183	/* ret=fwrite(in,1,(int)inl,(FILE )b->ptr); /
657e60fa	184	/* according to Tim Hudson <tjh@cryptsoft.com>, the commented
d02b48c6 RE	185	* out version above can cause 'inl' write calls under
	186	* some stupid stdio implementations (VMS) */
	187	}
	188	return(ret);
	189	}
	190
0e1c0612	191	static long MS_CALLBACK file_ctrl(BIO b, int cmd, long num, void ptr)
d02b48c6 RE	192	{
	193	long ret=1;
	194	FILE fp=(FILE )b->ptr;
	195	FILE **fpp;
	196	char p[4];
	197
	198	switch (cmd)
	199	{
dfeab068	200	case BIO_C_FILE_SEEK:
d02b48c6 RE	201	case BIO_CTRL_RESET:
	202	ret=(long)fseek(fp,num,0);
	203	break;
	204	case BIO_CTRL_EOF:
	205	ret=(long)feof(fp);
	206	break;
dfeab068	207	case BIO_C_FILE_TELL:
d02b48c6 RE	208	case BIO_CTRL_INFO:
	209	ret=ftell(fp);
	210	break;
	211	case BIO_C_SET_FILE_PTR:
	212	file_free(b);
79479f02	213	b->shutdown=(int)num&BIO_CLOSE;
d02b48c6 RE	214	b->ptr=(char *)ptr;
d02b48c6 RE	215	b->init=1;
7f3ba942 RL	216	#if defined(OPENSSL_SYS_WINDOWS)
	217	if (num & BIO_FP_TEXT)
	218	_setmode(fd,_O_TEXT);
	219	else
	220	_setmode(fd,_O_BINARY);
4d8743f4 RL	221	#elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
	222	/* Under CLib there are differences in file modes
	223	*/
	224	if (num & BIO_FP_TEXT)
	225	_setmode(fileno((FILE *)ptr),O_TEXT);
	226	else
	227	_setmode(fileno((FILE *)ptr),O_BINARY);
7f3ba942 RL	228	#elif defined(OPENSSL_SYS_MSDOS)
	229	{
	230	int fd = fileno((FILE*)ptr);
58964a49 RE	231	/* Set correct text/binary mode */
58964a49 RE	232	if (num & BIO_FP_TEXT)
7f3ba942 RL	233	_setmode(fd,_O_TEXT);
7f3ba942 RL	234	/* Dangerous to set stdin/stdout to raw (unless redirected) */
58964a49	235	else
7f3ba942 RL	236	{
	237	if (fd == STDIN_FILENO \|\| fd == STDOUT_FILENO)
	238	{
	239	if (isatty(fd) <= 0)
	240	_setmode(fd,_O_BINARY);
	241	}
	242	else
	243	_setmode(fd,_O_BINARY);
	244	}
	245	}
dc01b6b1 RL	246	#elif defined(OPENSSL_SYS_OS2)
	247	if (num & BIO_FP_TEXT)
	248	setmode(fileno((FILE *)ptr), O_TEXT);
	249	else
	250	setmode(fileno((FILE *)ptr), O_BINARY);
58964a49	251	#endif
d02b48c6 RE	252	break;
	253	case BIO_C_SET_FILENAME:
	254	file_free(b);
	255	b->shutdown=(int)num&BIO_CLOSE;
	256	if (num & BIO_FP_APPEND)
	257	{
	258	if (num & BIO_FP_READ)
	259	strcpy(p,"a+");
	260	else strcpy(p,"a");
	261	}
	262	else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
	263	strcpy(p,"r+");
	264	else if (num & BIO_FP_WRITE)
	265	strcpy(p,"w");
	266	else if (num & BIO_FP_READ)
	267	strcpy(p,"r");
	268	else
	269	{
	270	BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE);
	271	ret=0;
	272	break;
	273	}
35dde748	274	#if defined(OPENSSL_SYS_MSDOS) \|\| defined(OPENSSL_SYS_WINDOWS) \|\| defined(OPENSSL_SYS_OS2)
d02b48c6 RE	275	if (!(num & BIO_FP_TEXT))
	276	strcat(p,"b");
	277	else
	278	strcat(p,"t");
	279	#endif
4d8743f4 RL	280	#if defined(OPENSSL_SYS_NETWARE)
	281	if (!(num & BIO_FP_TEXT))
	282	strcat(p,"b");
	283	else
	284	strcat(p,"t");
	285	#endif
	286	fp=fopen(ptr,p);
d02b48c6 RE	287	if (fp == NULL)
d02b48c6 RE	288	{
58964a49 RE	289	SYSerr(SYS_F_FOPEN,get_last_sys_error());
58964a49 RE	290	ERR_add_error_data(5,"fopen('",ptr,"','",p,"')");
d02b48c6 RE	291	BIOerr(BIO_F_FILE_CTRL,ERR_R_SYS_LIB);
	292	ret=0;
	293	break;
	294	}
	295	b->ptr=(char *)fp;
	296	b->init=1;
	297	break;
	298	case BIO_C_GET_FILE_PTR:
	299	/* the ptr parameter is actually a FILE ** in this case. */
	300	if (ptr != NULL)
	301	{
	302	fpp=(FILE **)ptr;
	303	fpp=(FILE )b->ptr;
	304	}
	305	break;
	306	case BIO_CTRL_GET_CLOSE:
	307	ret=(long)b->shutdown;
	308	break;
	309	case BIO_CTRL_SET_CLOSE:
	310	b->shutdown=(int)num;
	311	break;
	312	case BIO_CTRL_FLUSH:
	313	fflush((FILE *)b->ptr);
	314	break;
	315	case BIO_CTRL_DUP:
	316	ret=1;
	317	break;
	318
	319	case BIO_CTRL_WPENDING:
	320	case BIO_CTRL_PENDING:
	321	case BIO_CTRL_PUSH:
	322	case BIO_CTRL_POP:
	323	default:
	324	ret=0;
	325	break;
	326	}
	327	return(ret);
	328	}
	329
6b691a5c	330	static int MS_CALLBACK file_gets(BIO bp, char buf, int size)
d02b48c6 RE	331	{
	332	int ret=0;
	333
	334	buf[0]='\0';
	335	fgets(buf,size,(FILE *)bp->ptr);
	336	if (buf[0] != '\0')
	337	ret=strlen(buf);
	338	return(ret);
	339	}
	340
0e1c0612	341	static int MS_CALLBACK file_puts(BIO bp, const char str)
d02b48c6 RE	342	{
	343	int n,ret;
	344
	345	n=strlen(str);
	346	ret=file_write(bp,str,n);
	347	return(ret);
	348	}
	349
cf1b7d96	350	#endif /* OPENSSL_NO_STDIO */
58964a49 RE	351
	352	#endif /* HEADER_BSS_FILE_C */
	353
	354