GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/x509v3/v3_prn.c Lines: 56 86 65.1 %
Date: 2017-11-07 Branches: 38 67 56.7 %

Line Branch Exec Source
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/* $OpenBSD: v3_prn.c,v 1.19 2016/12/30 15:54:49 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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 * project 1999.
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 */
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/* ====================================================================
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 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
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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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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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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
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 *    the documentation and/or other materials provided with the
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 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
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 */
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/* X509 v3 extension utilities */
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#include <stdio.h>
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#include <openssl/conf.h>
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#include <openssl/x509v3.h>
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/* Extension printing routines */
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static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag,
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    int indent, int supported);
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/* Print out a name+value stack */
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void
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X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
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{
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	int i;
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	CONF_VALUE *nval;
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	if (!val)
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		return;
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	if (!ml || !sk_CONF_VALUE_num(val)) {
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		BIO_printf(out, "%*s", indent, "");
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40
		if (!sk_CONF_VALUE_num(val))
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			BIO_puts(out, "<EMPTY>\n");
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	}
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	for (i = 0; i < sk_CONF_VALUE_num(val); i++) {
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		if (ml)
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			BIO_printf(out, "%*s", indent, "");
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		else if (i > 0) BIO_printf(out, ", ");
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			nval = sk_CONF_VALUE_value(val, i);
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		if (!nval->name)
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			BIO_puts(out, nval->value);
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		else if (!nval->value)
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			BIO_puts(out, nval->name);
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		else
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			BIO_printf(out, "%s:%s", nval->name, nval->value);
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		if (ml)
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			BIO_puts(out, "\n");
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	}
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}
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/* Main routine: print out a general extension */
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int
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X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
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{
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	void *ext_str = NULL;
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	char *value = NULL;
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	const unsigned char *p;
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	const X509V3_EXT_METHOD *method;
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	STACK_OF(CONF_VALUE) *nval = NULL;
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	int ok = 1;
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	if (!(method = X509V3_EXT_get(ext)))
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		return unknown_ext_print(out, ext, flag, indent, 0);
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	p = ext->value->data;
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	if (method->it)
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		ext_str = ASN1_item_d2i(NULL, &p, ext->value->length,
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		    method->it);
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	else
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		ext_str = method->d2i(NULL, &p, ext->value->length);
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	if (!ext_str)
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		return unknown_ext_print(out, ext, flag, indent, 1);
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	if (method->i2s) {
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		if (!(value = method->i2s(method, ext_str))) {
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			ok = 0;
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			goto err;
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		}
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		BIO_printf(out, "%*s%s", indent, "", value);
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	} else if (method->i2v) {
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		if (!(nval = method->i2v(method, ext_str, NULL))) {
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			ok = 0;
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			goto err;
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		}
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		X509V3_EXT_val_prn(out, nval, indent,
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		    method->ext_flags & X509V3_EXT_MULTILINE);
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	} else if (method->i2r) {
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		if (!method->i2r(method, ext_str, out, indent))
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			ok = 0;
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	} else
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		ok = 0;
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err:
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	sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
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	free(value);
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	if (method->it)
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		ASN1_item_free(ext_str, method->it);
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	else
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		method->ext_free(ext_str);
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	return ok;
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}
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int
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X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts,
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    unsigned long flag, int indent)
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{
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	int i, j;
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160
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	if (sk_X509_EXTENSION_num(exts) <= 0)
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		return 1;
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163
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	if (title) {
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		BIO_printf(bp, "%*s%s:\n",indent, "", title);
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		indent += 4;
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	}
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	for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
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		ASN1_OBJECT *obj;
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		X509_EXTENSION *ex;
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		ex = sk_X509_EXTENSION_value(exts, i);
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		if (indent && BIO_printf(bp, "%*s",indent, "") <= 0)
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			return 0;
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		obj = X509_EXTENSION_get_object(ex);
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		i2a_ASN1_OBJECT(bp, obj);
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		j = X509_EXTENSION_get_critical(ex);
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		if (BIO_printf(bp, ": %s\n",j?"critical":"") <= 0)
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			return 0;
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		if (!X509V3_EXT_print(bp, ex, flag, indent + 4)) {
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			BIO_printf(bp, "%*s", indent + 4, "");
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			ASN1_STRING_print(bp, ex->value);
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		}
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		if (BIO_write(bp, "\n",1) <= 0)
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			return 0;
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	}
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	return 1;
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}
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static int
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unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag,
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    int indent, int supported)
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{
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	switch (flag & X509V3_EXT_UNKNOWN_MASK) {
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	case X509V3_EXT_DEFAULT:
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		return 0;
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	case X509V3_EXT_ERROR_UNKNOWN:
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		if (supported)
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			BIO_printf(out, "%*s<Parse Error>", indent, "");
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		else
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			BIO_printf(out, "%*s<Not Supported>", indent, "");
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		return 1;
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	case X509V3_EXT_PARSE_UNKNOWN:
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		return ASN1_parse_dump(out,
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		    ext->value->data, ext->value->length, indent, -1);
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	case X509V3_EXT_DUMP_UNKNOWN:
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		return BIO_dump_indent(out, (char *)ext->value->data,
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		    ext->value->length, indent);
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	default:
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		return 1;
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	}
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}
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int
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X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
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{
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	BIO *bio_tmp;
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	int ret;
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	if (!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE)))
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		return 0;
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	ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
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	BIO_free(bio_tmp);
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	return ret;
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}