asn_moid.c revision 296341 
1/* asn_moid.c */
2/*
3 * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project
4 * 2001.
5 */
6/* ====================================================================
7 * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61#include <ctype.h>
62#include <openssl/crypto.h>
63#include "cryptlib.h"
64#include <openssl/conf.h>
65#include <openssl/dso.h>
66#include <openssl/x509.h>
67
68/* Simple ASN1 OID module: add all objects in a given section */
69
70static int do_create(char *value, char *name);
71
72static int oid_module_init(CONF_IMODULE *md, const CONF *cnf)
73{
74    int i;
75    const char *oid_section;
76    STACK_OF(CONF_VALUE) *sktmp;
77    CONF_VALUE *oval;
78    oid_section = CONF_imodule_get_value(md);
79    if (!(sktmp = NCONF_get_section(cnf, oid_section))) {
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        oval = sk_CONF_VALUE_value(sktmp, i);
85        if (!do_create(oval->value, oval->name)) {
86            ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ADDING_OBJECT);
87            return 0;
88        }
89    }
90    return 1;
91}
92
93static void oid_module_finish(CONF_IMODULE *md)
94{
95    OBJ_cleanup();
96}
97
98void ASN1_add_oid_module(void)
99{
100    CONF_module_add("oid_section", oid_module_init, oid_module_finish);
101}
102
103/*-
104 * Create an OID based on a name value pair. Accept two formats.
105 * shortname = 1.2.3.4
106 * shortname = some long name, 1.2.3.4
107 */
108
109static int do_create(char *value, char *name)
110{
111    int nid;
112    ASN1_OBJECT *oid;
113    char *ln, *ostr, *p, *lntmp;
114    p = strrchr(value, ',');
115    if (!p) {
116        ln = name;
117        ostr = value;
118    } else {
119        ln = NULL;
120        ostr = p + 1;
121        if (!*ostr)
122            return 0;
123        while (isspace((unsigned char)*ostr))
124            ostr++;
125    }
126
127    nid = OBJ_create(ostr, name, ln);
128
129    if (nid == NID_undef)
130        return 0;
131
132    if (p) {
133        ln = value;
134        while (isspace((unsigned char)*ln))
135            ln++;
136        p--;
137        while (isspace((unsigned char)*p)) {
138            if (p == ln)
139                return 0;
140            p--;
141        }
142        p++;
143        lntmp = OPENSSL_malloc((p - ln) + 1);
144        if (lntmp == NULL)
145            return 0;
146        memcpy(lntmp, ln, p - ln);
147        lntmp[p - ln] = 0;
148        oid = OBJ_nid2obj(nid);
149        oid->ln = lntmp;
150    }
151
152    return 1;
153}
154