sl@0: /* v3_prn.c */
sl@0: /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
sl@0:  * project 1999.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: /* X509 v3 extension utilities */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/conf.h>
sl@0: #include <openssl/x509v3.h>
sl@0: 
sl@0: /* Extension printing routines */
sl@0: 
sl@0: static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported);
sl@0: 
sl@0: /* Print out a name+value stack */
sl@0: 
sl@0: EXPORT_C void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
sl@0: {
sl@0: 	int i;
sl@0: 	CONF_VALUE *nval;
sl@0: 	if(!val) return;
sl@0: 	if(!ml || !sk_CONF_VALUE_num(val)) {
sl@0: 		BIO_printf(out, "%*s", indent, "");
sl@0: 		if(!sk_CONF_VALUE_num(val)) BIO_puts(out, "<EMPTY>\n");
sl@0: 	}
sl@0: 	for(i = 0; i < sk_CONF_VALUE_num(val); i++) {
sl@0: 		if(ml) BIO_printf(out, "%*s", indent, "");
sl@0: 		else if(i > 0) BIO_printf(out, ", ");
sl@0: 		nval = sk_CONF_VALUE_value(val, i);
sl@0: 		if(!nval->name) BIO_puts(out, nval->value);
sl@0: 		else if(!nval->value) BIO_puts(out, nval->name);
sl@0: #ifndef CHARSET_EBCDIC
sl@0: 		else BIO_printf(out, "%s:%s", nval->name, nval->value);
sl@0: #else
sl@0: 		else {
sl@0: 			int len;
sl@0: 			char *tmp;
sl@0: 			len = strlen(nval->value)+1;
sl@0: 			tmp = OPENSSL_malloc(len);
sl@0: 			if (tmp)
sl@0: 			{
sl@0: 				ascii2ebcdic(tmp, nval->value, len);
sl@0: 				BIO_printf(out, "%s:%s", nval->name, tmp);
sl@0: 				OPENSSL_free(tmp);
sl@0: 			}
sl@0: 		}
sl@0: #endif
sl@0: 		if(ml) BIO_puts(out, "\n");
sl@0: 	}
sl@0: }
sl@0: 
sl@0: /* Main routine: print out a general extension */
sl@0: 
sl@0: EXPORT_C int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
sl@0: {
sl@0: 	void *ext_str = NULL;
sl@0: 	char *value = NULL;
sl@0: 	const unsigned char *p;
sl@0: 	X509V3_EXT_METHOD *method;	
sl@0: 	STACK_OF(CONF_VALUE) *nval = NULL;
sl@0: 	int ok = 1;
sl@0: 
sl@0: 	if(!(method = X509V3_EXT_get(ext)))
sl@0: 		return unknown_ext_print(out, ext, flag, indent, 0);
sl@0: 	p = ext->value->data;
sl@0: 	if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
sl@0: 	else ext_str = method->d2i(NULL, &p, ext->value->length);
sl@0: 
sl@0: 	if(!ext_str) return unknown_ext_print(out, ext, flag, indent, 1);
sl@0: 
sl@0: 	if(method->i2s) {
sl@0: 		if(!(value = method->i2s(method, ext_str))) {
sl@0: 			ok = 0;
sl@0: 			goto err;
sl@0: 		}
sl@0: #ifndef CHARSET_EBCDIC
sl@0: 		BIO_printf(out, "%*s%s", indent, "", value);
sl@0: #else
sl@0: 		{
sl@0: 			int len;
sl@0: 			char *tmp;
sl@0: 			len = strlen(value)+1;
sl@0: 			tmp = OPENSSL_malloc(len);
sl@0: 			if (tmp)
sl@0: 			{
sl@0: 				ascii2ebcdic(tmp, value, len);
sl@0: 				BIO_printf(out, "%*s%s", indent, "", tmp);
sl@0: 				OPENSSL_free(tmp);
sl@0: 			}
sl@0: 		}
sl@0: #endif
sl@0: 	} else if(method->i2v) {
sl@0: 		if(!(nval = method->i2v(method, ext_str, NULL))) {
sl@0: 			ok = 0;
sl@0: 			goto err;
sl@0: 		}
sl@0: 		X509V3_EXT_val_prn(out, nval, indent,
sl@0: 				 method->ext_flags & X509V3_EXT_MULTILINE);
sl@0: 	} else if(method->i2r) {
sl@0: 		if(!method->i2r(method, ext_str, out, indent)) ok = 0;
sl@0: 	} else ok = 0;
sl@0: 
sl@0: 	err:
sl@0: 		sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
sl@0: 		if(value) OPENSSL_free(value);
sl@0: 		if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
sl@0: 		else method->ext_free(ext_str);
sl@0: 		return ok;
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
sl@0: {
sl@0: 	int i, j;
sl@0: 
sl@0: 	if(sk_X509_EXTENSION_num(exts) <= 0) return 1;
sl@0: 
sl@0: 	if(title) 
sl@0: 		{
sl@0: 		BIO_printf(bp,"%*s%s:\n",indent, "", title);
sl@0: 		indent += 4;
sl@0: 		}
sl@0: 
sl@0: 	for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
sl@0: 		{
sl@0: 		ASN1_OBJECT *obj;
sl@0: 		X509_EXTENSION *ex;
sl@0: 		ex=sk_X509_EXTENSION_value(exts, i);
sl@0: 		if (indent && BIO_printf(bp,"%*s",indent, "") <= 0) return 0;
sl@0: 		obj=X509_EXTENSION_get_object(ex);
sl@0: 		i2a_ASN1_OBJECT(bp,obj);
sl@0: 		j=X509_EXTENSION_get_critical(ex);
sl@0: 		if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
sl@0: 			return 0;
sl@0: 		if(!X509V3_EXT_print(bp, ex, flag, indent + 4))
sl@0: 			{
sl@0: 			BIO_printf(bp, "%*s", indent + 4, "");
sl@0: 			M_ASN1_OCTET_STRING_print(bp,ex->value);
sl@0: 			}
sl@0: 		if (BIO_write(bp,"\n",1) <= 0) return 0;
sl@0: 		}
sl@0: 	return 1;
sl@0: }
sl@0: 
sl@0: static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported)
sl@0: {
sl@0: 	switch(flag & X509V3_EXT_UNKNOWN_MASK) {
sl@0: 
sl@0: 		case X509V3_EXT_DEFAULT:
sl@0: 		return 0;
sl@0: 
sl@0: 		case X509V3_EXT_ERROR_UNKNOWN:
sl@0: 		if(supported)
sl@0: 			BIO_printf(out, "%*s<Parse Error>", indent, "");
sl@0: 		else
sl@0: 			BIO_printf(out, "%*s<Not Supported>", indent, "");
sl@0: 		return 1;
sl@0: 
sl@0: 		case X509V3_EXT_PARSE_UNKNOWN:
sl@0: 			return ASN1_parse_dump(out,
sl@0: 				ext->value->data, ext->value->length, indent, -1);
sl@0: 		case X509V3_EXT_DUMP_UNKNOWN:
sl@0: 			return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent);
sl@0: 
sl@0: 		default:
sl@0: 		return 1;
sl@0: 	}
sl@0: }
sl@0: 	
sl@0: 
sl@0: #ifndef OPENSSL_NO_FP_API
sl@0: EXPORT_C int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
sl@0: {
sl@0: 	BIO *bio_tmp;
sl@0: 	int ret;
sl@0: 	if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0;
sl@0: 	ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
sl@0: 	BIO_free(bio_tmp);
sl@0: 	return ret;
sl@0: }
sl@0: #endif