crypto/asn1/asn_moid.c

   1 /*
   2  * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project
   3  * 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@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
  59 #include <stdio.h>
  60 #include <ctype.h>
  61 #include <openssl/crypto.h>
  62 #include "internal/cryptlib.h"
  63 #include <openssl/conf.h>
  64 #include <openssl/x509.h>
  65 #include "internal/asn1_int.h"
  66 #include "internal/objects.h"
  67
  68 /* Simple ASN1 OID module: add all objects in a given section */
  69
  70 static int do_create(char *value, char *name);
  71
  72 static 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
  79     oid_section = CONF_imodule_get_value(md);
  80     if ((sktmp = NCONF_get_section(cnf, oid_section)) == NULL) {
  81         ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);
  82         return 0;
  83     }
  84     for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
  85         oval = sk_CONF_VALUE_value(sktmp, i);
  86         if (!do_create(oval->value, oval->name)) {
  87             ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ADDING_OBJECT);
  88             return 0;
  89         }
  90     }
  91     return 1;
  92 }
  93
  94 static void oid_module_finish(CONF_IMODULE *md)
  95 {
  96     int_obj_cleanup();
  97 }
  98
  99 void ASN1_add_oid_module(void)
 100 {
 101     CONF_module_add("oid_section", oid_module_init, oid_module_finish);
 102 }
 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 static int do_create(char *value, char *name)
 111 {
 112     int nid;
 113     ASN1_OBJECT *oid;
 114     char *ln, *ostr, *p, *lntmp;
 115     p = strrchr(value, ',');
 116     if (!p) {
 117         ln = name;
 118         ostr = value;
 119     } else {
 120         ln = NULL;
 121         ostr = p + 1;
 122         if (!*ostr)
 123             return 0;
 124         while (isspace((unsigned char)*ostr))
 125             ostr++;
 126     }
 127
 128     nid = OBJ_create(ostr, name, ln);
 129
 130     if (nid == NID_undef)
 131         return 0;
 132
 133     if (p) {
 134         ln = value;
 135         while (isspace((unsigned char)*ln))
 136             ln++;
 137         p--;
 138         while (isspace((unsigned char)*p)) {
 139             if (p == ln)
 140                 return 0;
 141             p--;
 142         }
 143         p++;
 144         lntmp = OPENSSL_malloc((p - ln) + 1);
 145         if (lntmp == NULL)
 146             return 0;
 147         memcpy(lntmp, ln, p - ln);
 148         lntmp[p - ln] = 0;
 149         oid = OBJ_nid2obj(nid);
 150         oid->ln = lntmp;
 151     }
 152
 153     return 1;
 154 }