/* v3_genn.c */

/*

 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project

 * 1999.

 */

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

 * Copyright (c) 1999-2008 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 <stdio.h>

#include "cryptlib.h"

#include <openssl/asn1t.h>

#include <openssl/conf.h>

#include <openssl/x509v3.h>

ASN1_SEQUENCE(OTHERNAME) = {

        ASN1_SIMPLE(OTHERNAME, type_id, ASN1_OBJECT),

        /* Maybe have a true ANY DEFINED BY later */

        ASN1_EXP(OTHERNAME, value, ASN1_ANY, 0)

} ASN1_SEQUENCE_END(OTHERNAME)

IMPLEMENT_ASN1_FUNCTIONS(OTHERNAME)

ASN1_SEQUENCE(EDIPARTYNAME) = {

        ASN1_IMP_OPT(EDIPARTYNAME, nameAssigner, DIRECTORYSTRING, 0),

        ASN1_IMP_OPT(EDIPARTYNAME, partyName, DIRECTORYSTRING, 1)

} ASN1_SEQUENCE_END(EDIPARTYNAME)

IMPLEMENT_ASN1_FUNCTIONS(EDIPARTYNAME)

ASN1_CHOICE(GENERAL_NAME) = {

        ASN1_IMP(GENERAL_NAME, d.otherName, OTHERNAME, GEN_OTHERNAME),

        ASN1_IMP(GENERAL_NAME, d.rfc822Name, ASN1_IA5STRING, GEN_EMAIL),

        ASN1_IMP(GENERAL_NAME, d.dNSName, ASN1_IA5STRING, GEN_DNS),

        /* Don't decode this */

        ASN1_IMP(GENERAL_NAME, d.x400Address, ASN1_SEQUENCE, GEN_X400),

        /* X509_NAME is a CHOICE type so use EXPLICIT */

        ASN1_EXP(GENERAL_NAME, d.directoryName, X509_NAME, GEN_DIRNAME),

        ASN1_IMP(GENERAL_NAME, d.ediPartyName, EDIPARTYNAME, GEN_EDIPARTY),

        ASN1_IMP(GENERAL_NAME, d.uniformResourceIdentifier, ASN1_IA5STRING, GEN_URI),

        ASN1_IMP(GENERAL_NAME, d.iPAddress, ASN1_OCTET_STRING, GEN_IPADD),

        ASN1_IMP(GENERAL_NAME, d.registeredID, ASN1_OBJECT, GEN_RID)

} ASN1_CHOICE_END(GENERAL_NAME)

IMPLEMENT_ASN1_FUNCTIONS(GENERAL_NAME)

ASN1_ITEM_TEMPLATE(GENERAL_NAMES) =

        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, GENERAL_NAME)

ASN1_ITEM_TEMPLATE_END(GENERAL_NAMES)

IMPLEMENT_ASN1_FUNCTIONS(GENERAL_NAMES)

GENERAL_NAME *GENERAL_NAME_dup(GENERAL_NAME *a)

{

    return (GENERAL_NAME *)ASN1_dup((i2d_of_void *)i2d_GENERAL_NAME,

                                    (d2i_of_void *)d2i_GENERAL_NAME,

                                    (char *)a);

}

/* Returns 0 if they are equal, != 0 otherwise. */

int GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b)

{

    int result = -1;

    if (!a || !b || a->type != b->type)

        return -1;

    switch (a->type) {

    case GEN_X400:

    case GEN_EDIPARTY:

        result = ASN1_TYPE_cmp(a->d.other, b->d.other);

        break;

    case GEN_OTHERNAME:

        result = OTHERNAME_cmp(a->d.otherName, b->d.otherName);

        break;

    case GEN_EMAIL:

    case GEN_DNS:

    case GEN_URI:

        result = ASN1_STRING_cmp(a->d.ia5, b->d.ia5);

        break;

    case GEN_DIRNAME:

        result = X509_NAME_cmp(a->d.dirn, b->d.dirn);

        break;

    case GEN_IPADD:

        result = ASN1_OCTET_STRING_cmp(a->d.ip, b->d.ip);

        break;

    case GEN_RID:

        result = OBJ_cmp(a->d.rid, b->d.rid);

        break;

    }

    return result;

}

/* Returns 0 if they are equal, != 0 otherwise. */

int OTHERNAME_cmp(OTHERNAME *a, OTHERNAME *b)

{

    int result = -1;

    if (!a || !b)

        return -1;

    /* Check their type first. */

    if ((result = OBJ_cmp(a->type_id, b->type_id)) != 0)

        return result;

    /* Check the value. */

    result = ASN1_TYPE_cmp(a->value, b->value);

    return result;

}

void GENERAL_NAME_set0_value(GENERAL_NAME *a, int type, void *value)

{

    switch (type) {

    case GEN_X400:

    case GEN_EDIPARTY:

        a->d.other = value;

        break;

    case GEN_OTHERNAME:

        a->d.otherName = value;

        break;

    case GEN_EMAIL:

    case GEN_DNS:

    case GEN_URI:

        a->d.ia5 = value;

        break;

    case GEN_DIRNAME:

        a->d.dirn = value;

        break;

    case GEN_IPADD:

        a->d.ip = value;

        break;

    case GEN_RID:

        a->d.rid = value;

        break;

    }

    a->type = type;

}

void *GENERAL_NAME_get0_value(GENERAL_NAME *a, int *ptype)

{

    if (ptype)

        *ptype = a->type;

    switch (a->type) {

    case GEN_X400:

    case GEN_EDIPARTY:

        return a->d.other;

    case GEN_OTHERNAME:

        return a->d.otherName;

    case GEN_EMAIL:

    case GEN_DNS:

    case GEN_URI:

        return a->d.ia5;

    case GEN_DIRNAME:

        return a->d.dirn;

    case GEN_IPADD:

        return a->d.ip;

    case GEN_RID:

        return a->d.rid;

    default:

        return NULL;

    }

}

int GENERAL_NAME_set0_othername(GENERAL_NAME *gen,

                                ASN1_OBJECT *oid, ASN1_TYPE *value)

{

    OTHERNAME *oth;

    oth = OTHERNAME_new();

    if (!oth)

        return 0;

    ASN1_TYPE_free(oth->value);

    oth->type_id = oid;

    oth->value = value;

    GENERAL_NAME_set0_value(gen, GEN_OTHERNAME, oth);

    return 1;

}

int GENERAL_NAME_get0_otherName(GENERAL_NAME *gen,

                                ASN1_OBJECT **poid, ASN1_TYPE **pvalue)

{

    if (gen->type != GEN_OTHERNAME)

        return 0;

    if (poid)

        *poid = gen->d.otherName->type_id;

    if (pvalue)

        *pvalue = gen->d.otherName->value;

    return 1;

}