-/* crypto/bio/b_print.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.]
- */
-
-/* disable assert() unless BIO_DEBUG has been defined */
-#ifndef BIO_DEBUG
-# ifndef NDEBUG
-# define NDEBUG
-# endif
-#endif
-
/*
- * Stolen from tjh's ssl/ssl_trc.c stuff.
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * 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
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
-#include <assert.h>
#include <limits.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#ifndef NO_SYS_TYPES_H
# include <sys/types.h>
#endif
# endif
#endif
-/***************************************************************************/
-
/*
* Copyright Patrick Powell 1995
* This code is based on code written by Patrick Powell <papowell@astart.com>
* on all source code distributions.
*/
-/*-
- * This code contains numerious changes and enhancements which were
- * made by lots of contributors over the last years to Patrick Powell's
- * original code:
- *
- * o Patrick Powell <papowell@astart.com> (1995)
- * o Brandon Long <blong@fiction.net> (1996, for Mutt)
- * o Thomas Roessler <roessler@guug.de> (1998, for Mutt)
- * o Michael Elkins <me@cs.hmc.edu> (1998, for Mutt)
- * o Andrew Tridgell <tridge@samba.org> (1998, for Samba)
- * o Luke Mewburn <lukem@netbsd.org> (1999, for LukemFTP)
- * o Ralf S. Engelschall <rse@engelschall.com> (1999, for Pth)
- * o ... (for OpenSSL)
- */
-
#ifdef HAVE_LONG_DOUBLE
# define LDOUBLE long double
#else
# define LLONG long
#endif
-static void fmtstr(char **, char **, size_t *, size_t *,
- const char *, int, int, int);
-static void fmtint(char **, char **, size_t *, size_t *,
- LLONG, int, int, int, int);
-static void fmtfp(char **, char **, size_t *, size_t *,
- LDOUBLE, int, int, int);
-static void doapr_outch(char **, char **, size_t *, size_t *, int);
-static void _dopr(char **sbuffer, char **buffer,
- size_t *maxlen, size_t *retlen, int *truncated,
- const char *format, va_list args);
+static int fmtstr(char **, char **, size_t *, size_t *,
+ const char *, int, int, int);
+static int fmtint(char **, char **, size_t *, size_t *,
+ LLONG, int, int, int, int);
+static int fmtfp(char **, char **, size_t *, size_t *,
+ LDOUBLE, int, int, int);
+static int doapr_outch(char **, char **, size_t *, size_t *, int);
+static int _dopr(char **sbuffer, char **buffer,
+ size_t *maxlen, size_t *retlen, int *truncated,
+ const char *format, va_list args);
/* format read states */
#define DP_S_DEFAULT 0
#define DP_S_DONE 7
/* format flags - Bits */
+/* left-aligned padding */
#define DP_F_MINUS (1 << 0)
+/* print an explicit '+' for a value with positive sign */
#define DP_F_PLUS (1 << 1)
+/* print an explicit ' ' for a value with positive sign */
#define DP_F_SPACE (1 << 2)
+/* print 0/0x prefix for octal/hex and decimal point for floating point */
#define DP_F_NUM (1 << 3)
+/* print leading zeroes */
#define DP_F_ZERO (1 << 4)
+/* print HEX in UPPPERcase */
#define DP_F_UP (1 << 5)
+/* treat value as unsigned */
#define DP_F_UNSIGNED (1 << 6)
/* conversion flags */
#define char_to_int(p) (p - '0')
#define OSSL_MAX(p,q) ((p >= q) ? p : q)
-static void
+static int
_dopr(char **sbuffer,
char **buffer,
size_t *maxlen,
if (ch == '%')
state = DP_S_FLAGS;
else
- doapr_outch(sbuffer, buffer, &currlen, maxlen, ch);
+ if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
+ return 0;
ch = *format++;
break;
case DP_S_FLAGS:
value = va_arg(args, int);
break;
}
- fmtint(sbuffer, buffer, &currlen, maxlen,
- value, 10, min, max, flags);
+ if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,
+ max, flags))
+ return 0;
break;
case 'X':
flags |= DP_F_UP;
value = (LLONG) va_arg(args, unsigned int);
break;
}
- fmtint(sbuffer, buffer, &currlen, maxlen, value,
- ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
- min, max, flags);
+ if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,
+ ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
+ min, max, flags))
+ return 0;
break;
case 'f':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
- fmtfp(sbuffer, buffer, &currlen, maxlen,
- fvalue, min, max, flags);
+ if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
+ flags))
+ return 0;
break;
case 'E':
flags |= DP_F_UP;
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
+ if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
+ flags))
+ return 0;
break;
case 'G':
flags |= DP_F_UP;
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
+ if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
+ flags))
+ return 0;
break;
case 'c':
- doapr_outch(sbuffer, buffer, &currlen, maxlen,
- va_arg(args, int));
+ if(!doapr_outch(sbuffer, buffer, &currlen, maxlen,
+ va_arg(args, int)))
+ return 0;
break;
case 's':
strvalue = va_arg(args, char *);
else
max = *maxlen;
}
- fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
- flags, min, max);
+ if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
+ flags, min, max))
+ return 0;
break;
case 'p':
- value = (long)va_arg(args, void *);
- fmtint(sbuffer, buffer, &currlen, maxlen,
- value, 16, min, max, flags | DP_F_NUM);
+ value = (size_t)va_arg(args, void *);
+ if (!fmtint(sbuffer, buffer, &currlen, maxlen,
+ value, 16, min, max, flags | DP_F_NUM))
+ return 0;
break;
case 'n': /* XXX */
if (cflags == DP_C_SHORT) {
}
break;
case '%':
- doapr_outch(sbuffer, buffer, &currlen, maxlen, ch);
+ if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
+ return 0;
break;
case 'w':
/* not supported yet, treat as next char */
*truncated = (currlen > *maxlen - 1);
if (*truncated)
currlen = *maxlen - 1;
- doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0');
+ if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
+ return 0;
*retlen = currlen - 1;
- return;
+ return 1;
}
-static void
+static int
fmtstr(char **sbuffer,
char **buffer,
size_t *currlen,
size_t *maxlen, const char *value, int flags, int min, int max)
{
- int padlen, strln;
+ int padlen;
+ size_t strln;
int cnt = 0;
if (value == 0)
value = "<NULL>";
- for (strln = 0; value[strln]; ++strln) ;
+
+ strln = strlen(value);
+ if (strln > INT_MAX)
+ strln = INT_MAX;
+
padlen = min - strln;
- if (padlen < 0)
+ if (min < 0 || padlen < 0)
padlen = 0;
if (flags & DP_F_MINUS)
padlen = -padlen;
while ((padlen > 0) && (cnt < max)) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ return 0;
--padlen;
++cnt;
}
while (*value && (cnt < max)) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, *value++);
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
+ return 0;
++cnt;
}
while ((padlen < 0) && (cnt < max)) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ return 0;
++padlen;
++cnt;
}
+ return 1;
}
-static void
+static int
fmtint(char **sbuffer,
char **buffer,
size_t *currlen,
/* spaces */
while (spadlen > 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ return 0;
--spadlen;
}
/* sign */
if (signvalue)
- doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+ return 0;
/* prefix */
while (*prefix) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix);
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix))
+ return 0;
prefix++;
}
/* zeros */
if (zpadlen > 0) {
while (zpadlen > 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+ return 0;
--zpadlen;
}
}
/* digits */
- while (place > 0)
- doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]);
+ while (place > 0) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]))
+ return 0;
+ }
/* left justified spaces */
while (spadlen < 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ return 0;
++spadlen;
}
- return;
+ return 1;
}
static LDOUBLE abs_val(LDOUBLE value)
return intpart;
}
-static void
+static int
fmtfp(char **sbuffer,
char **buffer,
size_t *currlen,
int fplace = 0;
int padlen = 0;
int zpadlen = 0;
- int caps = 0;
long intpart;
long fracpart;
long max10;
/* convert integer part */
do {
- iconvert[iplace++] =
- (caps ? "0123456789ABCDEF" : "0123456789abcdef")[intpart % 10];
+ iconvert[iplace++] = "0123456789"[intpart % 10];
intpart = (intpart / 10);
} while (intpart && (iplace < (int)sizeof(iconvert)));
if (iplace == sizeof iconvert)
/* convert fractional part */
do {
- fconvert[fplace++] =
- (caps ? "0123456789ABCDEF" : "0123456789abcdef")[fracpart % 10];
+ fconvert[fplace++] = "0123456789"[fracpart % 10];
fracpart = (fracpart / 10);
} while (fplace < max);
if (fplace == sizeof fconvert)
if ((flags & DP_F_ZERO) && (padlen > 0)) {
if (signvalue) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+ return 0;
--padlen;
signvalue = 0;
}
while (padlen > 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+ return 0;
--padlen;
}
}
while (padlen > 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ return 0;
--padlen;
}
- if (signvalue)
- doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
+ if (signvalue && !doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+ return 0;
- while (iplace > 0)
- doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]);
+ while (iplace > 0) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]))
+ return 0;
+ }
/*
* Decimal point. This should probably use locale to find the correct
* char to print out.
*/
if (max > 0 || (flags & DP_F_NUM)) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, '.');
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '.'))
+ return 0;
- while (fplace > 0)
- doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]);
+ while (fplace > 0) {
+ if(!doapr_outch(sbuffer, buffer, currlen, maxlen,
+ fconvert[--fplace]))
+ return 0;
+ }
}
while (zpadlen > 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+ return 0;
--zpadlen;
}
while (padlen < 0) {
- doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ return 0;
++padlen;
}
+ return 1;
}
-static void
+#define BUFFER_INC 1024
+
+static int
doapr_outch(char **sbuffer,
char **buffer, size_t *currlen, size_t *maxlen, int c)
{
/* If we haven't at least one buffer, someone has doe a big booboo */
- assert(*sbuffer != NULL || buffer != NULL);
-
- if (buffer) {
- while (*currlen >= *maxlen) {
- if (*buffer == NULL) {
- if (*maxlen == 0)
- *maxlen = 1024;
- *buffer = OPENSSL_malloc(*maxlen);
- if (*currlen > 0) {
- assert(*sbuffer != NULL);
- memcpy(*buffer, *sbuffer, *currlen);
- }
- *sbuffer = NULL;
- } else {
- *maxlen += 1024;
- *buffer = OPENSSL_realloc(*buffer, *maxlen);
+ OPENSSL_assert(*sbuffer != NULL || buffer != NULL);
+
+ /* |currlen| must always be <= |*maxlen| */
+ OPENSSL_assert(*currlen <= *maxlen);
+
+ if (buffer && *currlen == *maxlen) {
+ if (*maxlen > INT_MAX - BUFFER_INC)
+ return 0;
+
+ *maxlen += BUFFER_INC;
+ if (*buffer == NULL) {
+ *buffer = OPENSSL_malloc(*maxlen);
+ if (*buffer == NULL)
+ return 0;
+ if (*currlen > 0) {
+ OPENSSL_assert(*sbuffer != NULL);
+ memcpy(*buffer, *sbuffer, *currlen);
}
+ *sbuffer = NULL;
+ } else {
+ char *tmpbuf;
+ tmpbuf = OPENSSL_realloc(*buffer, *maxlen);
+ if (tmpbuf == NULL)
+ return 0;
+ *buffer = tmpbuf;
}
- /* What to do if *buffer is NULL? */
- assert(*sbuffer != NULL || *buffer != NULL);
}
if (*currlen < *maxlen) {
(*buffer)[(*currlen)++] = (char)c;
}
- return;
+ return 1;
}
/***************************************************************************/
int ignored;
dynbuf = NULL;
- CRYPTO_push_info("doapr()");
- _dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format, args);
+ if (!_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format,
+ args)) {
+ OPENSSL_free(dynbuf);
+ return -1;
+ }
if (dynbuf) {
ret = BIO_write(bio, dynbuf, (int)retlen);
OPENSSL_free(dynbuf);
} else {
ret = BIO_write(bio, hugebuf, (int)retlen);
}
- CRYPTO_pop_info();
return (ret);
}
size_t retlen;
int truncated;
- _dopr(&buf, NULL, &n, &retlen, &truncated, format, args);
+ if(!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))
+ return -1;
if (truncated)
/*
projects / openssl.git / blobdiff