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      1 /* asn_moid.c */
      2 /* Written by Stephen Henson (steve (at) openssl.org) for the OpenSSL
      3  * project 2001.
      4  */
      5 /* ====================================================================
      6  * Copyright (c) 2001-2004 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) cryptsoft.com).
     56  *
     57  */
     58 
     59 #include <stdio.h>
     60 #include <ctype.h>
     61 #include <openssl/crypto.h>
     62 #include "cryptlib.h"
     63 #include <openssl/conf.h>
     64 #include <openssl/dso.h>
     65 #include <openssl/x509.h>
     66 
     67 /* Simple ASN1 OID module: add all objects in a given section */
     68 
     69 static int do_create(char *value, char *name);
     70 
     71 static int oid_module_init(CONF_IMODULE *md, const CONF *cnf)
     72 	{
     73 	int i;
     74 	const char *oid_section;
     75 	STACK_OF(CONF_VALUE) *sktmp;
     76 	CONF_VALUE *oval;
     77 	oid_section = CONF_imodule_get_value(md);
     78 	if(!(sktmp = NCONF_get_section(cnf, oid_section)))
     79 		{
     80 		ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);
     81 		return 0;
     82 		}
     83 	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++)
     84 		{
     85 		oval = sk_CONF_VALUE_value(sktmp, i);
     86 		if(!do_create(oval->value, oval->name))
     87 			{
     88 			ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ADDING_OBJECT);
     89 			return 0;
     90 			}
     91 		}
     92 	return 1;
     93 	}
     94 
     95 static void oid_module_finish(CONF_IMODULE *md)
     96 	{
     97 	OBJ_cleanup();
     98 	}
     99 
    100 void ASN1_add_oid_module(void)
    101 	{
    102 	CONF_module_add("oid_section", oid_module_init, oid_module_finish);
    103 	}
    104 
    105 /* Create an OID based on a name value pair. Accept two formats.
    106  * shortname = 1.2.3.4
    107  * shortname = some long name, 1.2.3.4
    108  */
    109 
    110 
    111 static int do_create(char *value, char *name)
    112 	{
    113 	int nid;
    114 	ASN1_OBJECT *oid;
    115 	char *ln, *ostr, *p, *lntmp;
    116 	p = strrchr(value, ',');
    117 	if (!p)
    118 		{
    119 		ln = name;
    120 		ostr = value;
    121 		}
    122 	else
    123 		{
    124 		ln = NULL;
    125 		ostr = p + 1;
    126 		if (!*ostr)
    127 			return 0;
    128 		while(isspace((unsigned char)*ostr)) ostr++;
    129 		}
    130 
    131 	nid = OBJ_create(ostr, name, ln);
    132 
    133 	if (nid == NID_undef)
    134 		return 0;
    135 
    136 	if (p)
    137 		{
    138 		ln = value;
    139 		while(isspace((unsigned char)*ln)) ln++;
    140 		p--;
    141 		while(isspace((unsigned char)*p))
    142 			{
    143 			if (p == ln)
    144 				return 0;
    145 			p--;
    146 			}
    147 		p++;
    148 		lntmp = OPENSSL_malloc((p - ln) + 1);
    149 		if (lntmp == NULL)
    150 			return 0;
    151 		memcpy(lntmp, ln, p - ln);
    152 		lntmp[p - ln] = 0;
    153 		oid = OBJ_nid2obj(nid);
    154 		oid->ln = lntmp;
    155 		}
    156 
    157 	return 1;
    158 	}
    159 
    160 
    161