-/* 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.]
- */
-
/*
- * Stolen from tjh's ssl/ssl_trc.c stuff.
+ * Copyright 1995-2017 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 "internal/cryptlib.h"
-#ifndef NO_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#include <openssl/bn.h> /* To get BN_LLONG properly defined */
+#include "internal/ctype.h"
+#include "internal/numbers.h"
#include <openssl/bio.h>
-#if defined(BN_LLONG) || defined(SIXTY_FOUR_BIT)
-# ifndef HAVE_LONG_LONG
-# define HAVE_LONG_LONG 1
-# 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 LDOUBLE double
#endif
-#ifdef HAVE_LONG_LONG
-# if defined(_WIN32) && !defined(__GNUC__)
-# define LLONG __int64
-# else
-# define LLONG long long
-# endif
-#else
-# define LLONG long
-#endif
-
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);
+ int64_t, int, int, int, int);
static int fmtfp(char **, char **, size_t *, size_t *,
- LDOUBLE, int, int, int);
+ LDOUBLE, int, 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,
#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 DP_C_LONG 2
#define DP_C_LDOUBLE 3
#define DP_C_LLONG 4
+#define DP_C_SIZE 5
+
+/* Floating point formats */
+#define F_FORMAT 0
+#define E_FORMAT 1
+#define G_FORMAT 2
/* some handy macros */
#define char_to_int(p) (p - '0')
size_t *retlen, int *truncated, const char *format, va_list args)
{
char ch;
- LLONG value;
+ int64_t value;
LDOUBLE fvalue;
char *strvalue;
int min;
if (ch == '%')
state = DP_S_FLAGS;
else
- if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
+ if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
return 0;
ch = *format++;
break;
}
break;
case DP_S_MIN:
- if (isdigit((unsigned char)ch)) {
+ if (ossl_isdigit(ch)) {
min = 10 * min + char_to_int(ch);
ch = *format++;
} else if (ch == '*') {
state = DP_S_MOD;
break;
case DP_S_MAX:
- if (isdigit((unsigned char)ch)) {
+ if (ossl_isdigit(ch)) {
if (max < 0)
max = 0;
max = 10 * max + char_to_int(ch);
ch = *format++;
break;
case 'q':
+ case 'j':
cflags = DP_C_LLONG;
ch = *format++;
break;
cflags = DP_C_LDOUBLE;
ch = *format++;
break;
+ case 'z':
+ cflags = DP_C_SIZE;
+ ch = *format++;
+ break;
default:
break;
}
value = va_arg(args, long int);
break;
case DP_C_LLONG:
- value = va_arg(args, LLONG);
+ value = va_arg(args, int64_t);
+ break;
+ case DP_C_SIZE:
+ value = va_arg(args, ossl_ssize_t);
break;
default:
value = va_arg(args, int);
value = (unsigned short int)va_arg(args, unsigned int);
break;
case DP_C_LONG:
- value = (LLONG) va_arg(args, unsigned long int);
+ value = va_arg(args, unsigned long int);
break;
case DP_C_LLONG:
- value = va_arg(args, unsigned LLONG);
+ value = va_arg(args, uint64_t);
+ break;
+ case DP_C_SIZE:
+ value = va_arg(args, size_t);
break;
default:
- value = (LLONG) va_arg(args, unsigned int);
+ value = va_arg(args, unsigned int);
break;
}
if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,
else
fvalue = va_arg(args, double);
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
- flags))
+ flags, F_FORMAT))
return 0;
break;
case 'E':
flags |= DP_F_UP;
+ /* fall thru */
case 'e':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
+ if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
+ flags, E_FORMAT))
+ return 0;
break;
case 'G':
flags |= DP_F_UP;
+ /* fall thru */
case 'g':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
+ if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
+ flags, G_FORMAT))
+ return 0;
break;
case 'c':
- if(!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':
value, 16, min, max, flags | DP_F_NUM))
return 0;
break;
- case 'n': /* XXX */
- if (cflags == DP_C_SHORT) {
- short int *num;
- num = va_arg(args, short int *);
- *num = currlen;
- } else if (cflags == DP_C_LONG) { /* XXX */
- long int *num;
- num = va_arg(args, long int *);
- *num = (long int)currlen;
- } else if (cflags == DP_C_LLONG) { /* XXX */
- LLONG *num;
- num = va_arg(args, LLONG *);
- *num = (LLONG) currlen;
- } else {
+ case 'n':
+ {
int *num;
num = va_arg(args, int *);
*num = currlen;
}
break;
case '%':
- if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
+ if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
return 0;
break;
case 'w':
break;
}
}
- *truncated = (currlen > *maxlen - 1);
- if (*truncated)
- currlen = *maxlen - 1;
- if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
+ /*
+ * We have to truncate if there is no dynamic buffer and we have filled the
+ * static buffer.
+ */
+ if (buffer == NULL) {
+ *truncated = (currlen > *maxlen - 1);
+ if (*truncated)
+ currlen = *maxlen - 1;
+ }
+ if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
return 0;
*retlen = currlen - 1;
return 1;
if (value == 0)
value = "<NULL>";
- strln = strlen(value);
- if (strln > INT_MAX)
- strln = INT_MAX;
+ strln = OPENSSL_strnlen(value, max < 0 ? SIZE_MAX : (size_t)max);
padlen = min - strln;
if (min < 0 || padlen < 0)
padlen = 0;
+ if (max >= 0) {
+ /*
+ * Calculate the maximum output including padding.
+ * Make sure max doesn't overflow into negativity
+ */
+ if (max < INT_MAX - padlen)
+ max += padlen;
+ else
+ max = INT_MAX;
+ }
if (flags & DP_F_MINUS)
padlen = -padlen;
- while ((padlen > 0) && (cnt < max)) {
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ while ((padlen > 0) && (max < 0 || cnt < max)) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
--padlen;
++cnt;
}
- while (*value && (cnt < max)) {
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
+ while (strln > 0 && (max < 0 || cnt < max)) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
return 0;
+ --strln;
++cnt;
}
- while ((padlen < 0) && (cnt < max)) {
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ while ((padlen < 0) && (max < 0 || cnt < max)) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
++padlen;
++cnt;
fmtint(char **sbuffer,
char **buffer,
size_t *currlen,
- size_t *maxlen, LLONG value, int base, int min, int max, int flags)
+ size_t *maxlen, int64_t value, int base, int min, int max, int flags)
{
int signvalue = 0;
const char *prefix = "";
- unsigned LLONG uvalue;
+ uint64_t uvalue;
char convert[DECIMAL_SIZE(value) + 3];
int place = 0;
int spadlen = 0;
if (!(flags & DP_F_UNSIGNED)) {
if (value < 0) {
signvalue = '-';
- uvalue = -value;
+ uvalue = 0 - (uint64_t)value;
} else if (flags & DP_F_PLUS)
signvalue = '+';
else if (flags & DP_F_SPACE)
/* spaces */
while (spadlen > 0) {
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
--spadlen;
}
/* sign */
if (signvalue)
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
return 0;
/* prefix */
while (*prefix) {
- if(!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) {
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
return 0;
--zpadlen;
}
fmtfp(char **sbuffer,
char **buffer,
size_t *currlen,
- size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags)
+ size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags, int style)
{
int signvalue = 0;
LDOUBLE ufvalue;
+ LDOUBLE tmpvalue;
char iconvert[20];
char fconvert[20];
+ char econvert[20];
int iplace = 0;
int fplace = 0;
+ int eplace = 0;
int padlen = 0;
int zpadlen = 0;
- long intpart;
- long fracpart;
- long max10;
+ long exp = 0;
+ unsigned long intpart;
+ unsigned long fracpart;
+ unsigned long max10;
+ int realstyle;
if (max < 0)
max = 6;
- ufvalue = abs_val(fvalue);
+
if (fvalue < 0)
signvalue = '-';
else if (flags & DP_F_PLUS)
else if (flags & DP_F_SPACE)
signvalue = ' ';
- intpart = (long)ufvalue;
+ /*
+ * G_FORMAT sometimes prints like E_FORMAT and sometimes like F_FORMAT
+ * depending on the number to be printed. Work out which one it is and use
+ * that from here on.
+ */
+ if (style == G_FORMAT) {
+ if (fvalue == 0.0) {
+ realstyle = F_FORMAT;
+ } else if (fvalue < 0.0001) {
+ realstyle = E_FORMAT;
+ } else if ((max == 0 && fvalue >= 10)
+ || (max > 0 && fvalue >= pow_10(max))) {
+ realstyle = E_FORMAT;
+ } else {
+ realstyle = F_FORMAT;
+ }
+ } else {
+ realstyle = style;
+ }
+
+ if (style != F_FORMAT) {
+ tmpvalue = fvalue;
+ /* Calculate the exponent */
+ if (fvalue != 0.0) {
+ while (tmpvalue < 1) {
+ tmpvalue *= 10;
+ exp--;
+ }
+ while (tmpvalue > 10) {
+ tmpvalue /= 10;
+ exp++;
+ }
+ }
+ if (style == G_FORMAT) {
+ /*
+ * In G_FORMAT the "precision" represents significant digits. We
+ * always have at least 1 significant digit.
+ */
+ if (max == 0)
+ max = 1;
+ /* Now convert significant digits to decimal places */
+ if (realstyle == F_FORMAT) {
+ max -= (exp + 1);
+ if (max < 0) {
+ /*
+ * Should not happen. If we're in F_FORMAT then exp < max?
+ */
+ return 0;
+ }
+ } else {
+ /*
+ * In E_FORMAT there is always one significant digit in front
+ * of the decimal point, so:
+ * significant digits == 1 + decimal places
+ */
+ max--;
+ }
+ }
+ if (realstyle == E_FORMAT)
+ fvalue = tmpvalue;
+ }
+ ufvalue = abs_val(fvalue);
+ if (ufvalue > ULONG_MAX) {
+ /* Number too big */
+ return 0;
+ }
+ intpart = (unsigned long)ufvalue;
/*
* sorry, we only support 9 digits past the decimal because of our
iconvert[iplace++] = "0123456789"[intpart % 10];
intpart = (intpart / 10);
} while (intpart && (iplace < (int)sizeof(iconvert)));
- if (iplace == sizeof iconvert)
+ if (iplace == sizeof(iconvert))
iplace--;
iconvert[iplace] = 0;
/* convert fractional part */
- do {
+ while (fplace < max) {
+ if (style == G_FORMAT && fplace == 0 && (fracpart % 10) == 0) {
+ /* We strip trailing zeros in G_FORMAT */
+ max--;
+ fracpart = fracpart / 10;
+ if (fplace < max)
+ continue;
+ break;
+ }
fconvert[fplace++] = "0123456789"[fracpart % 10];
fracpart = (fracpart / 10);
- } while (fplace < max);
- if (fplace == sizeof fconvert)
+ }
+
+ if (fplace == sizeof(fconvert))
fplace--;
fconvert[fplace] = 0;
- /* -1 for decimal point, another -1 if we are printing a sign */
- padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
+ /* convert exponent part */
+ if (realstyle == E_FORMAT) {
+ int tmpexp;
+ if (exp < 0)
+ tmpexp = -exp;
+ else
+ tmpexp = exp;
+
+ do {
+ econvert[eplace++] = "0123456789"[tmpexp % 10];
+ tmpexp = (tmpexp / 10);
+ } while (tmpexp > 0 && eplace < (int)sizeof(econvert));
+ /* Exponent is huge!! Too big to print */
+ if (tmpexp > 0)
+ return 0;
+ /* Add a leading 0 for single digit exponents */
+ if (eplace == 1)
+ econvert[eplace++] = '0';
+ }
+
+ /*
+ * -1 for decimal point (if we have one, i.e. max > 0),
+ * another -1 if we are printing a sign
+ */
+ padlen = min - iplace - max - (max > 0 ? 1 : 0) - ((signvalue) ? 1 : 0);
+ /* Take some off for exponent prefix "+e" and exponent */
+ if (realstyle == E_FORMAT)
+ padlen -= 2 + eplace;
zpadlen = max - fplace;
if (zpadlen < 0)
zpadlen = 0;
return 0;
while (fplace > 0) {
- if(!doapr_outch(sbuffer, buffer, currlen, maxlen,
- fconvert[--fplace]))
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
+ fconvert[--fplace]))
return 0;
}
}
return 0;
--zpadlen;
}
+ if (realstyle == E_FORMAT) {
+ char ech;
+
+ if ((flags & DP_F_UP) == 0)
+ ech = 'e';
+ else
+ ech = 'E';
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ech))
+ return 0;
+ if (exp < 0) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '-'))
+ return 0;
+ } else {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '+'))
+ return 0;
+ }
+ while (eplace > 0) {
+ if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
+ econvert[--eplace]))
+ return 0;
+ }
+ }
while (padlen < 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
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 we haven't at least one buffer, someone has done a big booboo */
+ if (!ossl_assert(*sbuffer != NULL || buffer != NULL))
+ return 0;
/* |currlen| must always be <= |*maxlen| */
- assert(*currlen <= *maxlen);
+ if (!ossl_assert(*currlen <= *maxlen))
+ return 0;
if (buffer && *currlen == *maxlen) {
if (*maxlen > INT_MAX - BUFFER_INC)
if (*buffer == NULL)
return 0;
if (*currlen > 0) {
- assert(*sbuffer != NULL);
+ if (!ossl_assert(*sbuffer != NULL))
+ return 0;
memcpy(*buffer, *sbuffer, *currlen);
}
*sbuffer = NULL;
ret = BIO_vprintf(bio, format, args);
va_end(args);
- return (ret);
+ return ret;
}
int BIO_vprintf(BIO *bio, const char *format, va_list args)
} else {
ret = BIO_write(bio, hugebuf, (int)retlen);
}
- return (ret);
+ return ret;
}
/*
ret = BIO_vsnprintf(buf, n, format, args);
va_end(args);
- return (ret);
+ return ret;
}
int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
size_t retlen;
int truncated;
- if(!_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