crypto/asn1/asn_moid.c

   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
  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     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
  93 static void oid_module_finish(CONF_IMODULE *md)
  94 {
  95     OBJ_cleanup();
  96 }
  97
  98 void 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
 109 static 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 }