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Annotation of embedaddon/strongswan/src/libcharon/sa/ike_sa_id.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2012 Tobias Brunner
        !             3:  * Copyright (C) 2005-2006 Martin Willi
        !             4:  * Copyright (C) 2005 Jan Hutter
        !             5:  * HSR Hochschule fuer Technik Rapperswil
        !             6:  *
        !             7:  * This program is free software; you can redistribute it and/or modify it
        !             8:  * under the terms of the GNU General Public License as published by the
        !             9:  * Free Software Foundation; either version 2 of the License, or (at your
        !            10:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
        !            11:  *
        !            12:  * This program is distributed in the hope that it will be useful, but
        !            13:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        !            15:  * for more details.
        !            16:  */
        !            17: 
        !            18: #include "ike_sa_id.h"
        !            19: 
        !            20: #include <stdio.h>
        !            21: #include <encoding/payloads/ike_header.h>
        !            22: 
        !            23: typedef struct private_ike_sa_id_t private_ike_sa_id_t;
        !            24: 
        !            25: /**
        !            26:  * Private data of an ike_sa_id_t object.
        !            27:  */
        !            28: struct private_ike_sa_id_t {
        !            29:        /**
        !            30:         * Public interface of ike_sa_id_t.
        !            31:         */
        !            32:        ike_sa_id_t public;
        !            33: 
        !            34:        /**
        !            35:         * Major IKE version of IKE_SA.
        !            36:         */
        !            37:        uint8_t ike_version;
        !            38: 
        !            39:         /**
        !            40:          * SPI of initiator.
        !            41:          */
        !            42:        uint64_t initiator_spi;
        !            43: 
        !            44:         /**
        !            45:          * SPI of responder.
        !            46:          */
        !            47:        uint64_t responder_spi;
        !            48: 
        !            49:        /**
        !            50:         * Role for specific IKE_SA.
        !            51:         */
        !            52:        bool is_initiator_flag;
        !            53: };
        !            54: 
        !            55: METHOD(ike_sa_id_t, get_ike_version, uint8_t,
        !            56:        private_ike_sa_id_t *this)
        !            57: {
        !            58:        return this->ike_version;
        !            59: }
        !            60: 
        !            61: METHOD(ike_sa_id_t, set_responder_spi, void,
        !            62:        private_ike_sa_id_t *this, uint64_t responder_spi)
        !            63: {
        !            64:        this->responder_spi = responder_spi;
        !            65: }
        !            66: 
        !            67: METHOD(ike_sa_id_t, set_initiator_spi, void,
        !            68:        private_ike_sa_id_t *this, uint64_t initiator_spi)
        !            69: {
        !            70:        this->initiator_spi = initiator_spi;
        !            71: }
        !            72: 
        !            73: METHOD(ike_sa_id_t, get_initiator_spi, uint64_t,
        !            74:        private_ike_sa_id_t *this)
        !            75: {
        !            76:        return this->initiator_spi;
        !            77: }
        !            78: 
        !            79: METHOD(ike_sa_id_t, get_responder_spi, uint64_t,
        !            80:        private_ike_sa_id_t *this)
        !            81: {
        !            82:        return this->responder_spi;
        !            83: }
        !            84: 
        !            85: METHOD(ike_sa_id_t, equals, bool,
        !            86:        private_ike_sa_id_t *this, private_ike_sa_id_t *other)
        !            87: {
        !            88:        if (other == NULL)
        !            89:        {
        !            90:                return FALSE;
        !            91:        }
        !            92:        return this->ike_version == other->ike_version &&
        !            93:                   (this->ike_version == IKEV1_MAJOR_VERSION ||
        !            94:                        this->is_initiator_flag == other->is_initiator_flag) &&
        !            95:                   this->initiator_spi == other->initiator_spi &&
        !            96:                   this->responder_spi == other->responder_spi;
        !            97: }
        !            98: 
        !            99: METHOD(ike_sa_id_t, replace_values, void,
        !           100:        private_ike_sa_id_t *this, private_ike_sa_id_t *other)
        !           101: {
        !           102:        this->ike_version = other->ike_version;
        !           103:        this->initiator_spi = other->initiator_spi;
        !           104:        this->responder_spi = other->responder_spi;
        !           105:        this->is_initiator_flag = other->is_initiator_flag;
        !           106: }
        !           107: 
        !           108: METHOD(ike_sa_id_t, is_initiator, bool,
        !           109:        private_ike_sa_id_t *this)
        !           110: {
        !           111:        return this->is_initiator_flag;
        !           112: }
        !           113: 
        !           114: METHOD(ike_sa_id_t, switch_initiator, bool,
        !           115:        private_ike_sa_id_t *this)
        !           116: {
        !           117:        this->is_initiator_flag = !this->is_initiator_flag;
        !           118:        return this->is_initiator_flag;
        !           119: }
        !           120: 
        !           121: METHOD(ike_sa_id_t, clone_, ike_sa_id_t*,
        !           122:        private_ike_sa_id_t *this)
        !           123: {
        !           124:        return ike_sa_id_create(this->ike_version, this->initiator_spi,
        !           125:                                                        this->responder_spi, this->is_initiator_flag);
        !           126: }
        !           127: 
        !           128: METHOD(ike_sa_id_t, destroy, void,
        !           129:        private_ike_sa_id_t *this)
        !           130: {
        !           131:        free(this);
        !           132: }
        !           133: 
        !           134: /*
        !           135:  * Described in header.
        !           136:  */
        !           137: ike_sa_id_t * ike_sa_id_create(uint8_t ike_version, uint64_t initiator_spi,
        !           138:                                                           uint64_t responder_spi, bool is_initiator_flag)
        !           139: {
        !           140:        private_ike_sa_id_t *this;
        !           141: 
        !           142:        INIT(this,
        !           143:                .public = {
        !           144:                        .get_ike_version = _get_ike_version,
        !           145:                        .set_responder_spi = _set_responder_spi,
        !           146:                        .set_initiator_spi = _set_initiator_spi,
        !           147:                        .get_responder_spi = _get_responder_spi,
        !           148:                        .get_initiator_spi = _get_initiator_spi,
        !           149:                        .equals = (void*)_equals,
        !           150:                        .replace_values = (void*)_replace_values,
        !           151:                        .is_initiator = _is_initiator,
        !           152:                        .switch_initiator = _switch_initiator,
        !           153:                        .clone = _clone_,
        !           154:                        .destroy = _destroy,
        !           155:                },
        !           156:                .ike_version = ike_version,
        !           157:                .initiator_spi = initiator_spi,
        !           158:                .responder_spi = responder_spi,
        !           159:                .is_initiator_flag = is_initiator_flag,
        !           160:        );
        !           161: 
        !           162:        return &this->public;
        !           163: }