mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-04 23:08:23 -05:00
195 lines
5.6 KiB
C
195 lines
5.6 KiB
C
|
/* $OpenBSD: f_string.c,v 1.18 2018/04/25 11:48:21 tb Exp $ */
|
||
|
/* 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.]
|
||
|
*/
|
||
|
|
||
|
#include <stdio.h>
|
||
|
|
||
|
#include <openssl/asn1.h>
|
||
|
#include <openssl/buffer.h>
|
||
|
#include <openssl/err.h>
|
||
|
|
||
|
int
|
||
|
i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type)
|
||
|
{
|
||
|
int i, n = 0;
|
||
|
static const char h[] = "0123456789ABCDEF";
|
||
|
char buf[2];
|
||
|
|
||
|
if (a == NULL)
|
||
|
return (0);
|
||
|
|
||
|
if (a->length == 0) {
|
||
|
if (BIO_write(bp, "0", 1) != 1)
|
||
|
goto err;
|
||
|
n = 1;
|
||
|
} else {
|
||
|
for (i = 0; i < a->length; i++) {
|
||
|
if ((i != 0) && (i % 35 == 0)) {
|
||
|
if (BIO_write(bp, "\\\n", 2) != 2)
|
||
|
goto err;
|
||
|
n += 2;
|
||
|
}
|
||
|
buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f];
|
||
|
buf[1] = h[((unsigned char)a->data[i]) & 0x0f];
|
||
|
if (BIO_write(bp, buf, 2) != 2)
|
||
|
goto err;
|
||
|
n += 2;
|
||
|
}
|
||
|
}
|
||
|
return (n);
|
||
|
|
||
|
err:
|
||
|
return (-1);
|
||
|
}
|
||
|
|
||
|
int
|
||
|
a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size)
|
||
|
{
|
||
|
int ret = 0;
|
||
|
int i, j, k, m, n, again, bufsize;
|
||
|
unsigned char *s = NULL, *sp;
|
||
|
unsigned char *bufp;
|
||
|
int first = 1;
|
||
|
size_t num = 0, slen = 0;
|
||
|
|
||
|
bufsize = BIO_gets(bp, buf, size);
|
||
|
for (;;) {
|
||
|
if (bufsize < 1) {
|
||
|
if (first)
|
||
|
break;
|
||
|
else
|
||
|
goto err_sl;
|
||
|
}
|
||
|
first = 0;
|
||
|
|
||
|
i = bufsize;
|
||
|
if (buf[i-1] == '\n')
|
||
|
buf[--i] = '\0';
|
||
|
if (i == 0)
|
||
|
goto err_sl;
|
||
|
if (buf[i-1] == '\r')
|
||
|
buf[--i] = '\0';
|
||
|
if (i == 0)
|
||
|
goto err_sl;
|
||
|
again = (buf[i - 1] == '\\');
|
||
|
|
||
|
for (j = i - 1; j > 0; j--) {
|
||
|
if (!(((buf[j] >= '0') && (buf[j] <= '9')) ||
|
||
|
((buf[j] >= 'a') && (buf[j] <= 'f')) ||
|
||
|
((buf[j] >= 'A') && (buf[j] <= 'F')))) {
|
||
|
i = j;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
buf[i] = '\0';
|
||
|
/* We have now cleared all the crap off the end of the
|
||
|
* line */
|
||
|
if (i < 2)
|
||
|
goto err_sl;
|
||
|
|
||
|
bufp = (unsigned char *)buf;
|
||
|
|
||
|
k = 0;
|
||
|
i -= again;
|
||
|
if (i % 2 != 0) {
|
||
|
ASN1error(ASN1_R_ODD_NUMBER_OF_CHARS);
|
||
|
goto err;
|
||
|
}
|
||
|
i /= 2;
|
||
|
if (num + i > slen) {
|
||
|
sp = realloc(s, num + i);
|
||
|
if (sp == NULL) {
|
||
|
ASN1error(ERR_R_MALLOC_FAILURE);
|
||
|
goto err;
|
||
|
}
|
||
|
s = sp;
|
||
|
slen = num + i;
|
||
|
}
|
||
|
for (j = 0; j < i; j++, k += 2) {
|
||
|
for (n = 0; n < 2; n++) {
|
||
|
m = bufp[k + n];
|
||
|
if ((m >= '0') && (m <= '9'))
|
||
|
m -= '0';
|
||
|
else if ((m >= 'a') && (m <= 'f'))
|
||
|
m = m - 'a' + 10;
|
||
|
else if ((m >= 'A') && (m <= 'F'))
|
||
|
m = m - 'A' + 10;
|
||
|
else {
|
||
|
ASN1error(ASN1_R_NON_HEX_CHARACTERS);
|
||
|
goto err;
|
||
|
}
|
||
|
s[num + j] <<= 4;
|
||
|
s[num + j] |= m;
|
||
|
}
|
||
|
}
|
||
|
num += i;
|
||
|
if (again)
|
||
|
bufsize = BIO_gets(bp, buf, size);
|
||
|
else
|
||
|
break;
|
||
|
}
|
||
|
bs->length = num;
|
||
|
bs->data = s;
|
||
|
return (1);
|
||
|
|
||
|
err_sl:
|
||
|
ASN1error(ASN1_R_SHORT_LINE);
|
||
|
err:
|
||
|
free(s);
|
||
|
return (ret);
|
||
|
}
|