-/* 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.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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
+ * 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
*/
#ifndef HEADER_BSS_FILE_C
# 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 file_write(BIO *h, const char *buf, int num);
static long file_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int file_new(BIO *h);
static int file_free(BIO *data);
-static BIO_METHOD methods_filep = {
+static const BIO_METHOD methods_filep = {
BIO_TYPE_FILE,
"FILE pointer",
+ /* TODO: Convert to new style write function */
+ bwrite_conv,
file_write,
+ /* TODO: Convert to new style read function */
+ bread_conv,
file_read,
file_puts,
file_gets,
file_ctrl,
file_new,
file_free,
- NULL,
+ NULL, /* file_callback_ctrl */
};
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, OSSL_NELEM(wmode)) &&
- (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
+ BIO *ret;
+ FILE *file = openssl_fopen(filename, mode);
+ int fp_flags = BIO_CLOSE;
+
+ if (strchr(mode, 'b') == NULL)
+ fp_flags |= BIO_FP_TEXT;
+
if (file == NULL) {
SYSerr(SYS_F_FOPEN, get_last_sys_error());
ERR_add_error_data(5, "fopen('", filename, "','", mode, "')");
- if (errno == ENOENT)
+ if (errno == ENOENT
+# ifdef ENXIO
+ || errno == ENXIO
+# endif
+ )
BIOerr(BIO_F_BIO_NEW_FILE, BIO_R_NO_SUCH_FILE);
else
BIOerr(BIO_F_BIO_NEW_FILE, ERR_R_SYS_LIB);
- return (NULL);
+ return NULL;
}
if ((ret = BIO_new(BIO_s_file())) == NULL) {
fclose(file);
- return (NULL);
+ 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_set_fp(ret, file, fp_flags);
+ return ret;
}
BIO *BIO_new_fp(FILE *stream, int close_flag)
BIO *ret;
if ((ret = BIO_new(BIO_s_file())) == NULL)
- return (NULL);
+ return NULL;
- BIO_set_flags(ret, BIO_FLAGS_UPLINK); /* redundant, left for
- * documentation puposes */
+ /* redundant flag, left for documentation purposes */
+ BIO_set_flags(ret, BIO_FLAGS_UPLINK);
BIO_set_fp(ret, stream, close_flag);
- return (ret);
+ return ret;
}
-BIO_METHOD *BIO_s_file(void)
+const BIO_METHOD *BIO_s_file(void)
{
- return (&methods_filep);
+ return &methods_filep;
}
static int file_new(BIO *bi)
bi->num = 0;
bi->ptr = NULL;
bi->flags = BIO_FLAGS_UPLINK; /* default to UPLINK */
- return (1);
+ return 1;
}
static int file_free(BIO *a)
{
if (a == NULL)
- return (0);
+ return 0;
if (a->shutdown) {
if ((a->init) && (a->ptr != NULL)) {
if (a->flags & BIO_FLAGS_UPLINK)
}
a->init = 0;
}
- return (1);
+ return 1;
}
static int file_read(BIO *b, char *out, int outl)
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)) {
+ 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);
+ return ret;
}
static int file_write(BIO *b, const char *in, int inl)
ret = inl;
/* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
/*
- * according to Tim Hudson <tjh@cryptsoft.com>, the commented out
+ * according to Tim Hudson <tjh@openssl.org>, the commented out
* version above can cause 'inl' write calls under some stupid stdio
* implementations (VMS)
*/
}
- return (ret);
+ return ret;
}
static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
FILE *fp = (FILE *)b->ptr;
FILE **fpp;
char p[4];
+ int st;
switch (cmd) {
case BIO_C_FILE_SEEK:
# 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 defined(_MSC_VER) && _MSC_VER>=1900
+ if (ptr == stdin || ptr == stdout || ptr == stderr)
+ BIO_clear_flags(b, BIO_FLAGS_UPLINK);
+# elif defined(_IOB_ENTRIES)
if ((size_t)ptr >= (size_t)stdin &&
(size_t)ptr < (size_t)(stdin + _IOB_ENTRIES))
BIO_clear_flags(b, BIO_FLAGS_UPLINK);
_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 */
} else
_setmode(fd, _O_BINARY);
}
-# elif defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
+# elif defined(OPENSSL_SYS_WIN32_CYGWIN)
int fd = fileno((FILE *)ptr);
if (num & BIO_FP_TEXT)
setmode(fd, O_TEXT);
b->shutdown = (int)num & BIO_CLOSE;
if (num & BIO_FP_APPEND) {
if (num & BIO_FP_READ)
- BUF_strlcpy(p, "a+", sizeof p);
+ OPENSSL_strlcpy(p, "a+", sizeof(p));
else
- BUF_strlcpy(p, "a", sizeof p);
+ OPENSSL_strlcpy(p, "a", sizeof(p));
} else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
- BUF_strlcpy(p, "r+", sizeof p);
+ OPENSSL_strlcpy(p, "r+", sizeof(p));
else if (num & BIO_FP_WRITE)
- BUF_strlcpy(p, "w", sizeof p);
+ OPENSSL_strlcpy(p, "w", sizeof(p));
else if (num & BIO_FP_READ)
- BUF_strlcpy(p, "r", sizeof p);
+ OPENSSL_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 defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32_CYGWIN)
if (!(num & BIO_FP_TEXT))
- strcat(p, "b");
+ OPENSSL_strlcat(p, "b", sizeof(p));
else
- strcat(p, "t");
+ OPENSSL_strlcat(p, "t", sizeof(p));
# endif
-# if defined(OPENSSL_SYS_NETWARE)
- if (!(num & BIO_FP_TEXT))
- strcat(p, "b");
- else
- strcat(p, "t");
-# endif
- fp = fopen(ptr, p);
+ fp = openssl_fopen(ptr, p);
if (fp == NULL) {
SYSerr(SYS_F_FOPEN, get_last_sys_error());
ERR_add_error_data(5, "fopen('", ptr, "','", p, "')");
b->shutdown = (int)num;
break;
case BIO_CTRL_FLUSH:
- if (b->flags & BIO_FLAGS_UPLINK)
- UP_fflush(b->ptr);
- else
- fflush((FILE *)b->ptr);
+ st = b->flags & BIO_FLAGS_UPLINK
+ ? UP_fflush(b->ptr) : fflush((FILE *)b->ptr);
+ if (st == EOF) {
+ SYSerr(SYS_F_FFLUSH, get_last_sys_error());
+ ERR_add_error_data(1, "fflush()");
+ BIOerr(BIO_F_FILE_CTRL, ERR_R_SYS_LIB);
+ ret = 0;
+ }
break;
case BIO_CTRL_DUP:
ret = 1;
ret = 0;
break;
}
- return (ret);
+ return ret;
}
static int file_gets(BIO *bp, char *buf, int size)
if (buf[0] != '\0')
ret = strlen(buf);
err:
- return (ret);
+ return ret;
}
static int file_puts(BIO *bp, const char *str)
n = strlen(str);
ret = file_write(bp, str, n);
- return (ret);
+ return ret;
+}
+
+#else
+
+static int file_write(BIO *b, const char *in, int inl)
+{
+ return -1;
+}
+static int file_read(BIO *b, char *out, int outl)
+{
+ return -1;
+}
+static int file_puts(BIO *bp, const char *str)
+{
+ return -1;
+}
+static int file_gets(BIO *bp, char *buf, int size)
+{
+ return 0;
+}
+static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+ return 0;
+}
+static int file_new(BIO *bi)
+{
+ return 0;
+}
+static int file_free(BIO *a)
+{
+ return 0;
+}
+
+static const BIO_METHOD methods_filep = {
+ BIO_TYPE_FILE,
+ "FILE pointer",
+ /* TODO: Convert to new style write function */
+ bwrite_conv,
+ file_write,
+ /* TODO: Convert to new style read function */
+ bread_conv,
+ file_read,
+ file_puts,
+ file_gets,
+ file_ctrl,
+ file_new,
+ file_free,
+ NULL, /* file_callback_ctrl */
+};
+
+const BIO_METHOD *BIO_s_file(void)
+{
+ return &methods_filep;
+}
+
+BIO *BIO_new_file(const char *filename, const char *mode)
+{
+ return NULL;
}
# endif /* OPENSSL_NO_STDIO */
projects / openssl.git / blobdiff