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234 lines
7.0 KiB
234 lines
7.0 KiB
/* v3_prn.c */
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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 "cryptlib.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, int indent, int supported);
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/* Print out a name+value stack */
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void 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) 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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if(!sk_CONF_VALUE_num(val)) 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) 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) BIO_puts(out, nval->value);
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else if(!nval->value) BIO_puts(out, nval->name);
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#ifndef CHARSET_EBCDIC
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else BIO_printf(out, "%s:%s", nval->name, nval->value);
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#else
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else {
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int len;
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char *tmp;
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len = strlen(nval->value)+1;
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tmp = OPENSSL_malloc(len);
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if (tmp)
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{
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ascii2ebcdic(tmp, nval->value, len);
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BIO_printf(out, "%s:%s", nval->name, tmp);
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OPENSSL_free(tmp);
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}
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}
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#endif
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if(ml) 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 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) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
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else ext_str = method->d2i(NULL, &p, ext->value->length);
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if(!ext_str) 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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#ifndef CHARSET_EBCDIC
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BIO_printf(out, "%*s%s", indent, "", value);
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#else
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{
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int len;
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char *tmp;
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len = strlen(value)+1;
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tmp = OPENSSL_malloc(len);
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if (tmp)
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{
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ascii2ebcdic(tmp, value, len);
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BIO_printf(out, "%*s%s", indent, "", tmp);
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OPENSSL_free(tmp);
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}
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}
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#endif
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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)) ok = 0;
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} else ok = 0;
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err:
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sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
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if(value) OPENSSL_free(value);
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if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
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else method->ext_free(ext_str);
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return ok;
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}
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int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
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{
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int i, j;
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if(sk_X509_EXTENSION_num(exts) <= 0) return 1;
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if(title)
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{
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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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{
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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) 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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{
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BIO_printf(bp, "%*s", indent + 4, "");
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M_ASN1_OCTET_STRING_print(bp,ex->value);
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}
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if (BIO_write(bp,"\n",1) <= 0) return 0;
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}
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return 1;
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}
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static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, 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, 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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#ifndef OPENSSL_NO_FP_API
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int 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))) 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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}
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#endif
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