[thirdparty/openssl.git] / crypto / x509v3 / v3_prn.c

/* v3_prn.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 1999.
 */
/* ====================================================================
 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
/* X509 v3 extension utilities */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/conf.h>
#include <openssl/x509v3.h>

/* Extension printing routines */

static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported);

/* Print out a name+value stack */

void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
{
	int i;
	CONF_VALUE *nval;
	if(!val) return;
	if(!ml || !sk_CONF_VALUE_num(val)) {
		BIO_printf(out, "%*s", indent, "");
		if(!sk_CONF_VALUE_num(val)) BIO_puts(out, "<EMPTY>\n");
	}
	for(i = 0; i < sk_CONF_VALUE_num(val); i++) {
		if(ml) BIO_printf(out, "%*s", indent, "");
		else if(i > 0) BIO_printf(out, ", ");
		nval = sk_CONF_VALUE_value(val, i);
		if(!nval->name) BIO_puts(out, nval->value);
		else if(!nval->value) BIO_puts(out, nval->name);
#ifndef CHARSET_EBCDIC
		else BIO_printf(out, "%s:%s", nval->name, nval->value);
#else
		else {
			int len;
			char *tmp;
			len = strlen(nval->value)+1;
			tmp = OPENSSL_malloc(len);
			if (tmp)
			{
				ascii2ebcdic(tmp, nval->value, len);
				BIO_printf(out, "%s:%s", nval->name, tmp);
				OPENSSL_free(tmp);
			}
		}
#endif
		if(ml) BIO_puts(out, "\n");
	}
}

/* Main routine: print out a general extension */

int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
{
	void *ext_str = NULL;
	char *value = NULL;
	const unsigned char *p;
	const X509V3_EXT_METHOD *method;	
	STACK_OF(CONF_VALUE) *nval = NULL;
	int ok = 1;

	if(!(method = X509V3_EXT_get(ext)))
		return unknown_ext_print(out, ext, flag, indent, 0);
	p = ext->value->data;
	if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
	else ext_str = method->d2i(NULL, &p, ext->value->length);

	if(!ext_str) return unknown_ext_print(out, ext, flag, indent, 1);

	if(method->i2s) {
		if(!(value = method->i2s(method, ext_str))) {
			ok = 0;
			goto err;
		}
#ifndef CHARSET_EBCDIC
		BIO_printf(out, "%*s%s", indent, "", value);
#else
		{
			int len;
			char *tmp;
			len = strlen(value)+1;
			tmp = OPENSSL_malloc(len);
			if (tmp)
			{
				ascii2ebcdic(tmp, value, len);
				BIO_printf(out, "%*s%s", indent, "", tmp);
				OPENSSL_free(tmp);
			}
		}
#endif
	} else if(method->i2v) {
		if(!(nval = method->i2v(method, ext_str, NULL))) {
			ok = 0;
			goto err;
		}
		X509V3_EXT_val_prn(out, nval, indent,
				 method->ext_flags & X509V3_EXT_MULTILINE);
	} else if(method->i2r) {
		if(!method->i2r(method, ext_str, out, indent)) ok = 0;
	} else ok = 0;

	err:
		sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
		if(value) OPENSSL_free(value);
		if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
		else method->ext_free(ext_str);
		return ok;
}

int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
{
	int i, j;

	if(sk_X509_EXTENSION_num(exts) <= 0) return 1;

	if(title) 
		{
		BIO_printf(bp,"%*s%s:\n",indent, "", title);
		indent += 4;
		}

	for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
		{
		ASN1_OBJECT *obj;
		X509_EXTENSION *ex;
		ex=sk_X509_EXTENSION_value(exts, i);
		if (indent && BIO_printf(bp,"%*s",indent, "") <= 0) return 0;
		obj=X509_EXTENSION_get_object(ex);
		i2a_ASN1_OBJECT(bp,obj);
		j=X509_EXTENSION_get_critical(ex);
		if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
			return 0;
		if(!X509V3_EXT_print(bp, ex, flag, indent + 4))
			{
			BIO_printf(bp, "%*s", indent + 4, "");
			M_ASN1_OCTET_STRING_print(bp,ex->value);
			}
		if (BIO_write(bp,"\n",1) <= 0) return 0;
		}
	return 1;
}

static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported)
{
	switch(flag & X509V3_EXT_UNKNOWN_MASK) {

		case X509V3_EXT_DEFAULT:
		return 0;

		case X509V3_EXT_ERROR_UNKNOWN:
		if(supported)
			BIO_printf(out, "%*s<Parse Error>", indent, "");
		else
			BIO_printf(out, "%*s<Not Supported>", indent, "");
		return 1;

		case X509V3_EXT_PARSE_UNKNOWN:
			return ASN1_parse_dump(out,
				ext->value->data, ext->value->length, indent, -1);
		case X509V3_EXT_DUMP_UNKNOWN:
			return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent);

		default:
		return 1;
	}
}
	

#ifndef OPENSSL_NO_FP_API
int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
{
	BIO *bio_tmp;
	int ret;
	if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0;
	ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
	BIO_free(bio_tmp);
	return ret;
}
#endif
Commit	Line	Data
9aeaf1b4 DSH	1	/* v3_prn.c */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 1999.
	4	*/
	5	/* ====================================================================
	6	* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* licensing@OpenSSL.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
	58	/* X509 v3 extension utilities */
	59
e527ba09 DSH	60	#include <stdio.h>
e527ba09 DSH	61	#include "cryptlib.h"
ec577822 BM	62	#include <openssl/conf.h>
ec577822 BM	63	#include <openssl/x509v3.h>
9aeaf1b4 DSH	64
	65	/* Extension printing routines */
	66
8ca533e3 DSH	67	static int unknown_ext_print(BIO out, X509_EXTENSION ext, unsigned long flag, int indent, int supported);
8ca533e3 DSH	68
9aeaf1b4 DSH	69	/* Print out a name+value stack */
9aeaf1b4 DSH	70
ba404b5e	71	void X509V3_EXT_val_prn(BIO out, STACK_OF(CONF_VALUE) val, int indent, int ml)
9aeaf1b4 DSH	72	{
	73	int i;
	74	CONF_VALUE *nval;
	75	if(!val) return;
ba404b5e	76	if(!ml \|\| !sk_CONF_VALUE_num(val)) {
b64f8256	77	BIO_printf(out, "%*s", indent, "");
ba404b5e	78	if(!sk_CONF_VALUE_num(val)) BIO_puts(out, "<EMPTY>\n");
b64f8256	79	}
ba404b5e	80	for(i = 0; i < sk_CONF_VALUE_num(val); i++) {
785cdf20 DSH	81	if(ml) BIO_printf(out, "%*s", indent, "");
785cdf20 DSH	82	else if(i > 0) BIO_printf(out, ", ");
ba404b5e	83	nval = sk_CONF_VALUE_value(val, i);
b64f8256 DSH	84	if(!nval->name) BIO_puts(out, nval->value);
b64f8256 DSH	85	else if(!nval->value) BIO_puts(out, nval->name);
8efb6014	86	#ifndef CHARSET_EBCDIC
9aeaf1b4	87	else BIO_printf(out, "%s:%s", nval->name, nval->value);
8efb6014 UM	88	#else
8efb6014 UM	89	else {
741a9690 UM	90	int len;
	91	char *tmp;
	92	len = strlen(nval->value)+1;
	93	tmp = OPENSSL_malloc(len);
	94	if (tmp)
	95	{
	96	ascii2ebcdic(tmp, nval->value, len);
	97	BIO_printf(out, "%s:%s", nval->name, tmp);
	98	OPENSSL_free(tmp);
	99	}
8efb6014 UM	100	}
8efb6014 UM	101	#endif
785cdf20	102	if(ml) BIO_puts(out, "\n");
9aeaf1b4 DSH	103	}
	104	}
	105
	106	/* Main routine: print out a general extension */
	107
8ca533e3	108	int X509V3_EXT_print(BIO out, X509_EXTENSION ext, unsigned long flag, int indent)
9aeaf1b4	109	{
2aff7727 DSH	110	void *ext_str = NULL;
2aff7727 DSH	111	char *value = NULL;
875a644a	112	const unsigned char *p;
babb3798	113	const X509V3_EXT_METHOD *method;
ba404b5e	114	STACK_OF(CONF_VALUE) *nval = NULL;
9aeaf1b4	115	int ok = 1;
875a644a	116
8ca533e3 DSH	117	if(!(method = X509V3_EXT_get(ext)))
8ca533e3 DSH	118	return unknown_ext_print(out, ext, flag, indent, 0);
9aeaf1b4	119	p = ext->value->data;
bb5ea36b	120	if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
2aff7727 DSH	121	else ext_str = method->d2i(NULL, &p, ext->value->length);
2aff7727 DSH	122
5755cab4	123	if(!ext_str) return unknown_ext_print(out, ext, flag, indent, 1);
2aff7727	124
9aeaf1b4 DSH	125	if(method->i2s) {
	126	if(!(value = method->i2s(method, ext_str))) {
	127	ok = 0;
	128	goto err;
	129	}
8efb6014	130	#ifndef CHARSET_EBCDIC
785cdf20	131	BIO_printf(out, "%*s%s", indent, "", value);
8efb6014 UM	132	#else
8efb6014 UM	133	{
741a9690 UM	134	int len;
	135	char *tmp;
	136	len = strlen(value)+1;
	137	tmp = OPENSSL_malloc(len);
	138	if (tmp)
	139	{
	140	ascii2ebcdic(tmp, value, len);
	141	BIO_printf(out, "%*s%s", indent, "", tmp);
	142	OPENSSL_free(tmp);
	143	}
8efb6014 UM	144	}
8efb6014 UM	145	#endif
9aeaf1b4	146	} else if(method->i2v) {
175b0942	147	if(!(nval = method->i2v(method, ext_str, NULL))) {
9aeaf1b4 DSH	148	ok = 0;
	149	goto err;
	150	}
785cdf20 DSH	151	X509V3_EXT_val_prn(out, nval, indent,
785cdf20 DSH	152	method->ext_flags & X509V3_EXT_MULTILINE);
9aeaf1b4	153	} else if(method->i2r) {
785cdf20	154	if(!method->i2r(method, ext_str, out, indent)) ok = 0;
9aeaf1b4 DSH	155	} else ok = 0;
	156
	157	err:
ba404b5e	158	sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
26a3a48d	159	if(value) OPENSSL_free(value);
bb5ea36b	160	if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
2aff7727	161	else method->ext_free(ext_str);
9aeaf1b4 DSH	162	return ok;
	163	}
	164
2c15d426 DSH	165	int X509V3_extensions_print(BIO bp, char title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
	166	{
	167	int i, j;
	168
	169	if(sk_X509_EXTENSION_num(exts) <= 0) return 1;
	170
	171	if(title)
	172	{
	173	BIO_printf(bp,"%*s%s:\n",indent, "", title);
	174	indent += 4;
	175	}
	176
	177	for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
	178	{
	179	ASN1_OBJECT *obj;
	180	X509_EXTENSION *ex;
	181	ex=sk_X509_EXTENSION_value(exts, i);
6dd6da60	182	if (indent && BIO_printf(bp,"%*s",indent, "") <= 0) return 0;
2c15d426 DSH	183	obj=X509_EXTENSION_get_object(ex);
	184	i2a_ASN1_OBJECT(bp,obj);
	185	j=X509_EXTENSION_get_critical(ex);
3ae70939	186	if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
2c15d426	187	return 0;
3c02e24b	188	if(!X509V3_EXT_print(bp, ex, flag, indent + 4))
2c15d426 DSH	189	{
	190	BIO_printf(bp, "%*s", indent + 4, "");
	191	M_ASN1_OCTET_STRING_print(bp,ex->value);
	192	}
	193	if (BIO_write(bp,"\n",1) <= 0) return 0;
	194	}
	195	return 1;
	196	}
	197
8ca533e3 DSH	198	static int unknown_ext_print(BIO out, X509_EXTENSION ext, unsigned long flag, int indent, int supported)
	199	{
	200	switch(flag & X509V3_EXT_UNKNOWN_MASK) {
	201
	202	case X509V3_EXT_DEFAULT:
	203	return 0;
	204
	205	case X509V3_EXT_ERROR_UNKNOWN:
	206	if(supported)
	207	BIO_printf(out, "%*s<Parse Error>", indent, "");
	208	else
	209	BIO_printf(out, "%*s<Not Supported>", indent, "");
	210	return 1;
	211
	212	case X509V3_EXT_PARSE_UNKNOWN:
	213	return ASN1_parse_dump(out,
	214	ext->value->data, ext->value->length, indent, -1);
	215	case X509V3_EXT_DUMP_UNKNOWN:
	216	return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent);
	217
	218	default:
	219	return 1;
	220	}
	221	}
	222
	223
cf1b7d96	224	#ifndef OPENSSL_NO_FP_API
6b691a5c	225	int X509V3_EXT_print_fp(FILE fp, X509_EXTENSION ext, int flag, int indent)
9aeaf1b4 DSH	226	{
	227	BIO *bio_tmp;
	228	int ret;
	229	if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0;
785cdf20	230	ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
9aeaf1b4 DSH	231	BIO_free(bio_tmp);
	232	return ret;
	233	}
96395158	234	#endif