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Annotation of embedaddon/strongswan/src/libcharon/sa/ikev2/tasks/ike_reauth.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2006-2008 Martin Willi
        !             3:  * HSR Hochschule fuer Technik Rapperswil
        !             4:  *
        !             5:  * This program is free software; you can redistribute it and/or modify it
        !             6:  * under the terms of the GNU General Public License as published by the
        !             7:  * Free Software Foundation; either version 2 of the License, or (at your
        !             8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
        !             9:  *
        !            10:  * This program is distributed in the hope that it will be useful, but
        !            11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        !            13:  * for more details.
        !            14:  */
        !            15: 
        !            16: #include "ike_reauth.h"
        !            17: 
        !            18: #include <daemon.h>
        !            19: #include <sa/ikev2/tasks/ike_delete.h>
        !            20: 
        !            21: 
        !            22: typedef struct private_ike_reauth_t private_ike_reauth_t;
        !            23: 
        !            24: /**
        !            25:  * Private members of a ike_reauth_t task.
        !            26:  */
        !            27: struct private_ike_reauth_t {
        !            28: 
        !            29:        /**
        !            30:         * Public methods and task_t interface.
        !            31:         */
        !            32:        ike_reauth_t public;
        !            33: 
        !            34:        /**
        !            35:         * Assigned IKE_SA.
        !            36:         */
        !            37:        ike_sa_t *ike_sa;
        !            38: 
        !            39:        /**
        !            40:         * reused ike_delete task
        !            41:         */
        !            42:        ike_delete_t *ike_delete;
        !            43: };
        !            44: 
        !            45: METHOD(task_t, build_i, status_t,
        !            46:        private_ike_reauth_t *this, message_t *message)
        !            47: {
        !            48:        return this->ike_delete->task.build(&this->ike_delete->task, message);
        !            49: }
        !            50: 
        !            51: METHOD(task_t, process_i, status_t,
        !            52:        private_ike_reauth_t *this, message_t *message)
        !            53: {
        !            54:        /* process delete response first */
        !            55:        this->ike_delete->task.process(&this->ike_delete->task, message);
        !            56: 
        !            57:        /* reestablish the IKE_SA with all children */
        !            58:        if (this->ike_sa->reestablish(this->ike_sa) != SUCCESS)
        !            59:        {
        !            60:                DBG1(DBG_IKE, "reauthenticating IKE_SA failed");
        !            61:                return FAILED;
        !            62:        }
        !            63: 
        !            64:        /* we always destroy the obsolete IKE_SA */
        !            65:        return DESTROY_ME;
        !            66: }
        !            67: 
        !            68: METHOD(task_t, get_type, task_type_t,
        !            69:        private_ike_reauth_t *this)
        !            70: {
        !            71:        return TASK_IKE_REAUTH;
        !            72: }
        !            73: 
        !            74: METHOD(task_t, migrate, void,
        !            75:        private_ike_reauth_t *this, ike_sa_t *ike_sa)
        !            76: {
        !            77:        this->ike_delete->task.migrate(&this->ike_delete->task, ike_sa);
        !            78:        this->ike_sa = ike_sa;
        !            79: }
        !            80: 
        !            81: METHOD(task_t, destroy, void,
        !            82:        private_ike_reauth_t *this)
        !            83: {
        !            84:        this->ike_delete->task.destroy(&this->ike_delete->task);
        !            85:        free(this);
        !            86: }
        !            87: 
        !            88: /*
        !            89:  * Described in header.
        !            90:  */
        !            91: ike_reauth_t *ike_reauth_create(ike_sa_t *ike_sa)
        !            92: {
        !            93:        private_ike_reauth_t *this;
        !            94: 
        !            95:        INIT(this,
        !            96:                .public = {
        !            97:                        .task = {
        !            98:                                .get_type = _get_type,
        !            99:                                .migrate = _migrate,
        !           100:                                .build = _build_i,
        !           101:                                .process = _process_i,
        !           102:                                .destroy = _destroy,
        !           103:                        },
        !           104:                },
        !           105:                .ike_sa = ike_sa,
        !           106:                .ike_delete = ike_delete_create(ike_sa, TRUE),
        !           107:        );
        !           108: 
        !           109:        return &this->public;
        !           110: }