/* $OpenBSD: asn_moid.c,v 1.14 2022/01/07 11:13:54 tb Exp $ */

/* Written by Stephen Henson (steve@openssl.org) for the OpenSSL

 * project 2001.

 */

/* ====================================================================

 * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 *

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in

 *    the documentation and/or other materials provided with the

 *    distribution.

 *

 * 3. All advertising materials mentioning features or use of this

 *    software must display the following acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

 *

 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

 *    endorse or promote products derived from this software without

 *    prior written permission. For written permission, please contact

 *    licensing@OpenSSL.org.

 *

 * 5. Products derived from this software may not be called "OpenSSL"

 *    nor may "OpenSSL" appear in their names without prior written

 *    permission of the OpenSSL Project.

 *

 * 6. Redistributions of any form whatsoever must retain the following

 *    acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

 *

 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR

 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 * OF THE POSSIBILITY OF SUCH DAMAGE.

 * ====================================================================

 *

 * This product includes cryptographic software written by Eric Young

 * (eay@cryptsoft.com).  This product includes software written by Tim

 * Hudson (tjh@cryptsoft.com).

 *

 */

#include <ctype.h>

#include <stdio.h>

#include <string.h>

#include <openssl/err.h>

#include <openssl/conf.h>

#include <openssl/crypto.h>

#include <openssl/x509.h>

#include "asn1_locl.h"

/* Simple ASN1 OID module: add all objects in a given section */

static int do_create(char *value, char *name);

static int

oid_module_init(CONF_IMODULE *md, const CONF *cnf)

{

  int i;

  const char *oid_section;

  STACK_OF(CONF_VALUE) *sktmp;

  CONF_VALUE *oval;

  oid_section = CONF_imodule_get_value(md);

  if (!(sktmp = NCONF_get_section(cnf, oid_section))) {

    ASN1error(ASN1_R_ERROR_LOADING_SECTION);

    return 0;

  }

  for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {

    oval = sk_CONF_VALUE_value(sktmp, i);

    if (!do_create(oval->value, oval->name)) {

      ASN1error(ASN1_R_ADDING_OBJECT);

      return 0;

    }

  }

  return 1;

}

static void

oid_module_finish(CONF_IMODULE *md)

{

  OBJ_cleanup();

}

void

ASN1_add_oid_module(void)

{

  CONF_module_add("oid_section", oid_module_init, oid_module_finish);

}

/* Create an OID based on a name value pair. Accept two formats.

 * shortname = 1.2.3.4

 * shortname = some long name, 1.2.3.4

 */

static int

do_create(char *value, char *name)

{

  int nid;

  ASN1_OBJECT *oid;

  char *ln, *ostr, *p, *lntmp;

  p = strrchr(value, ',');

  if (!p) {

    ln = name;

    ostr = value;

  } else {

    ln = NULL;

    ostr = p + 1;

    if (!*ostr)

      return 0;

    while (isspace((unsigned char)*ostr))

      ostr++;

  }

  nid = OBJ_create(ostr, name, ln);

  if (nid == NID_undef)

    return 0;

  if (p) {

    ln = value;

    while (isspace((unsigned char)*ln))

      ln++;

    p--;

    while (isspace((unsigned char)*p)) {

      if (p == ln)

        return 0;

      p--;

    }

    p++;

    lntmp = malloc((p - ln) + 1);

    if (lntmp == NULL)

      return 0;

    memcpy(lntmp, ln, p - ln);

    lntmp[p - ln] = 0;

    oid = OBJ_nid2obj(nid);

    oid->ln = lntmp;

  }

  return 1;

}