mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-01 05:55:18 +00:00
128 lines
4.5 KiB
C
128 lines
4.5 KiB
C
/* crypto/asn1/a_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.]
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "cryptlib.h"
|
|
#include <openssl/asn1.h>
|
|
|
|
int ASN1_PRINTABLE_type(const unsigned char *s, int len)
|
|
{
|
|
int c;
|
|
int ia5=0;
|
|
int t61=0;
|
|
|
|
if (len <= 0) len= -1;
|
|
if (s == NULL) return(V_ASN1_PRINTABLESTRING);
|
|
|
|
while ((*s) && (len-- != 0))
|
|
{
|
|
c= *(s++);
|
|
#ifndef CHARSET_EBCDIC
|
|
if (!( ((c >= 'a') && (c <= 'z')) ||
|
|
((c >= 'A') && (c <= 'Z')) ||
|
|
(c == ' ') ||
|
|
((c >= '0') && (c <= '9')) ||
|
|
(c == ' ') || (c == '\'') ||
|
|
(c == '(') || (c == ')') ||
|
|
(c == '+') || (c == ',') ||
|
|
(c == '-') || (c == '.') ||
|
|
(c == '/') || (c == ':') ||
|
|
(c == '=') || (c == '?')))
|
|
ia5=1;
|
|
if (c&0x80)
|
|
t61=1;
|
|
#else
|
|
if (!isalnum(c) && (c != ' ') &&
|
|
strchr("'()+,-./:=?", c) == NULL)
|
|
ia5=1;
|
|
if (os_toascii[c] & 0x80)
|
|
t61=1;
|
|
#endif
|
|
}
|
|
if (t61) return(V_ASN1_T61STRING);
|
|
if (ia5) return(V_ASN1_IA5STRING);
|
|
return(V_ASN1_PRINTABLESTRING);
|
|
}
|
|
|
|
int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s)
|
|
{
|
|
int i;
|
|
unsigned char *p;
|
|
|
|
if (s->type != V_ASN1_UNIVERSALSTRING) return(0);
|
|
if ((s->length%4) != 0) return(0);
|
|
p=s->data;
|
|
for (i=0; i<s->length; i+=4)
|
|
{
|
|
if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0'))
|
|
break;
|
|
else
|
|
p+=4;
|
|
}
|
|
if (i < s->length) return(0);
|
|
p=s->data;
|
|
for (i=3; i<s->length; i+=4)
|
|
{
|
|
*(p++)=s->data[i];
|
|
}
|
|
*(p)='\0';
|
|
s->length/=4;
|
|
s->type=ASN1_PRINTABLE_type(s->data,s->length);
|
|
return(1);
|
|
}
|