crypto/libressl/crypto/asn1/asn_moid.c

   1 /* $OpenBSD: asn_moid.c,v 1.11 2014/07/10 13:58:22 jsing Exp $ */
   2 /* Written by Stephen Henson (steve@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@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 <ctype.h>
  60 #include <stdio.h>
  61 #include <string.h>
  62
  63 #include <openssl/err.h>
  64 #include <openssl/conf.h>
  65 #include <openssl/crypto.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
  73 oid_module_init(CONF_IMODULE *md, const CONF *cnf)
  74 {
  75         int i;
  76         const char *oid_section;
  77         STACK_OF(CONF_VALUE) *sktmp;
  78         CONF_VALUE *oval;
  79
  80         oid_section = CONF_imodule_get_value(md);
  81         if (!(sktmp = NCONF_get_section(cnf, oid_section))) {
  82                 ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);
  83                 return 0;
  84         }
  85         for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
  86                 oval = sk_CONF_VALUE_value(sktmp, i);
  87                 if (!do_create(oval->value, oval->name)) {
  88                         ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ADDING_OBJECT);
  89                         return 0;
  90                 }
  91         }
  92         return 1;
  93 }
  94
  95 static void
  96 oid_module_finish(CONF_IMODULE *md)
  97 {
  98         OBJ_cleanup();
  99 }
 100
 101 void
 102 ASN1_add_oid_module(void)
 103 {
 104         CONF_module_add("oid_section", oid_module_init, oid_module_finish);
 105 }
 106
 107 /* Create an OID based on a name value pair. Accept two formats.
 108  * shortname = 1.2.3.4
 109  * shortname = some long name, 1.2.3.4
 110  */
 111
 112 static int
 113 do_create(char *value, char *name)
 114 {
 115         int nid;
 116         ASN1_OBJECT *oid;
 117         char *ln, *ostr, *p, *lntmp;
 118
 119         p = strrchr(value, ',');
 120         if (!p) {
 121                 ln = name;
 122                 ostr = value;
 123         } else {
 124                 ln = NULL;
 125                 ostr = p + 1;
 126                 if (!*ostr)
 127                         return 0;
 128                 while (isspace((unsigned char)*ostr))
 129                         ostr++;
 130         }
 131
 132         nid = OBJ_create(ostr, name, ln);
 133
 134         if (nid == NID_undef)
 135                 return 0;
 136
 137         if (p) {
 138                 ln = value;
 139                 while (isspace((unsigned char)*ln))
 140                         ln++;
 141                 p--;
 142                 while (isspace((unsigned char)*p)) {
 143                         if (p == ln)
 144                                 return 0;
 145                         p--;
 146                 }
 147                 p++;
 148                 lntmp = 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 }