GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/asn1/a_print.c Lines: 12 42 28.6 %
Date: 2017-11-07 Branches: 10 36 27.8 %

Line Branch Exec Source
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/* $OpenBSD: a_print.c,v 1.11 2014/07/11 08:44:47 jsing Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
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 *
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 * This package is an SSL implementation written
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 * by Eric Young (eay@cryptsoft.com).
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 * The implementation was written so as to conform with Netscapes SSL.
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 *
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 * This library is free for commercial and non-commercial use as long as
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 * the following conditions are aheared to.  The following conditions
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 * apply to all code found in this distribution, be it the RC4, RSA,
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 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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 * included with this distribution is covered by the same copyright terms
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 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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 *
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 * Copyright remains Eric Young's, and as such any Copyright notices in
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 * the code are not to be removed.
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 * If this package is used in a product, Eric Young should be given attribution
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 * as the author of the parts of the library used.
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 * This can be in the form of a textual message at program startup or
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 * in documentation (online or textual) provided with the package.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *    "This product includes cryptographic software written by
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 *     Eric Young (eay@cryptsoft.com)"
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 *    The word 'cryptographic' can be left out if the rouines from the library
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 *    being used are not cryptographic related :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from
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 *    the apps directory (application code) you must include an acknowledgement:
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 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * The licence and distribution terms for any publically available version or
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 * derivative of this code cannot be changed.  i.e. this code cannot simply be
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 * copied and put under another distribution licence
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 * [including the GNU Public Licence.]
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 */
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#include <stdio.h>
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#include <openssl/asn1.h>
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int
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ASN1_PRINTABLE_type(const unsigned char *s, int len)
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{
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	int c;
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	int ia5 = 0;
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	int t61 = 0;
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	if (len <= 0)
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		len = -1;
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	if (s == NULL)
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		return (V_ASN1_PRINTABLESTRING);
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	while ((*s) && (len-- != 0)) {
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		c= *(s++);
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		if (!(((c >= 'a') && (c <= 'z')) ||
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		    ((c >= 'A') && (c <= 'Z')) ||
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		    (c == ' ') ||
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		    ((c >= '0') && (c <= '9')) ||
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		    (c == ' ') || (c == '\'') ||
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		    (c == '(') || (c == ')') ||
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		    (c == '+') || (c == ',') ||
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		    (c == '-') || (c == '.') ||
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		    (c == '/') || (c == ':') ||
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		    (c == '=') || (c == '?')))
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			ia5 = 1;
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		if (c & 0x80)
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			t61 = 1;
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	}
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	if (t61)
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		return (V_ASN1_T61STRING);
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	if (ia5)
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		return (V_ASN1_IA5STRING);
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	return (V_ASN1_PRINTABLESTRING);
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}
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int
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ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s)
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{
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	int i;
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	unsigned char *p;
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	if (s->type != V_ASN1_UNIVERSALSTRING)
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		return (0);
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	if ((s->length % 4) != 0)
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		return (0);
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	p = s->data;
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	for (i = 0; i < s->length; i += 4) {
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		if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0'))
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			break;
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		else
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			p += 4;
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	}
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	if (i < s->length)
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		return (0);
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	p = s->data;
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	for (i = 3; i < s->length; i += 4) {
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		*(p++) = s->data[i];
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	}
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	*(p) = '\0';
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	s->length /= 4;
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	s->type = ASN1_PRINTABLE_type(s->data, s->length);
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	return (1);
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}