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Annotation of embedaddon/strongswan/src/libcharon/processing/jobs/delete_child_sa_job.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2017 Tobias Brunner
        !             3:  * Copyright (C) 2006 Martin Willi
        !             4:  * HSR Hochschule fuer Technik Rapperswil
        !             5:  *
        !             6:  * This program is free software; you can redistribute it and/or modify it
        !             7:  * under the terms of the GNU General Public License as published by the
        !             8:  * Free Software Foundation; either version 2 of the License, or (at your
        !             9:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
        !            10:  *
        !            11:  * This program is distributed in the hope that it will be useful, but
        !            12:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            13:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        !            14:  * for more details.
        !            15:  */
        !            16: 
        !            17: #include "delete_child_sa_job.h"
        !            18: 
        !            19: #include <daemon.h>
        !            20: 
        !            21: 
        !            22: typedef struct private_delete_child_sa_job_t private_delete_child_sa_job_t;
        !            23: 
        !            24: /**
        !            25:  * Private data of an delete_child_sa_job_t object.
        !            26:  */
        !            27: struct private_delete_child_sa_job_t {
        !            28: 
        !            29:        /**
        !            30:         * Public delete_child_sa_job_t interface.
        !            31:         */
        !            32:        delete_child_sa_job_t public;
        !            33: 
        !            34:        /**
        !            35:         * Protocol of the CHILD_SA (ESP/AH)
        !            36:         */
        !            37:        protocol_id_t protocol;
        !            38: 
        !            39:        /**
        !            40:         * Inbound SPI of the CHILD_SA
        !            41:         */
        !            42:        uint32_t spi;
        !            43: 
        !            44:        /**
        !            45:         * SA destination address
        !            46:         */
        !            47:        host_t *dst;
        !            48: 
        !            49:        /**
        !            50:         * Delete for an expired CHILD_SA
        !            51:         */
        !            52:        bool expired;
        !            53: 
        !            54:        /**
        !            55:         * Unique ID of the CHILD_SA
        !            56:         */
        !            57:        uint32_t id;
        !            58: };
        !            59: 
        !            60: METHOD(job_t, destroy, void,
        !            61:        private_delete_child_sa_job_t *this)
        !            62: {
        !            63:        DESTROY_IF(this->dst);
        !            64:        free(this);
        !            65: }
        !            66: 
        !            67: METHOD(job_t, execute, job_requeue_t,
        !            68:        private_delete_child_sa_job_t *this)
        !            69: {
        !            70:        ike_sa_t *ike_sa;
        !            71: 
        !            72:        if (this->id)
        !            73:        {
        !            74:                child_sa_t *child_sa;
        !            75: 
        !            76:                ike_sa = charon->child_sa_manager->checkout_by_id(
        !            77:                                                                charon->child_sa_manager, this->id, &child_sa);
        !            78:                if (!ike_sa)
        !            79:                {
        !            80:                        DBG1(DBG_JOB, "CHILD_SA {%d} not found for delete", this->id);
        !            81:                }
        !            82:                else
        !            83:                {
        !            84:                        this->spi = child_sa->get_spi(child_sa, TRUE);
        !            85:                        this->protocol = child_sa->get_protocol(child_sa);
        !            86:                }
        !            87:        }
        !            88:        else
        !            89:        {
        !            90:                ike_sa = charon->child_sa_manager->checkout(charon->child_sa_manager,
        !            91:                                                                        this->protocol, this->spi, this->dst, NULL);
        !            92:                if (!ike_sa)
        !            93:                {
        !            94:                        DBG1(DBG_JOB, "CHILD_SA %N/0x%08x/%H not found for delete",
        !            95:                                 protocol_id_names, this->protocol, htonl(this->spi), this->dst);
        !            96:                }
        !            97:        }
        !            98: 
        !            99:        if (ike_sa)
        !           100:        {
        !           101:                ike_sa->delete_child_sa(ike_sa, this->protocol, this->spi,
        !           102:                                                                this->expired);
        !           103:                charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
        !           104:        }
        !           105:        return JOB_REQUEUE_NONE;
        !           106: }
        !           107: 
        !           108: METHOD(job_t, get_priority, job_priority_t,
        !           109:        private_delete_child_sa_job_t *this)
        !           110: {
        !           111:        return JOB_PRIO_MEDIUM;
        !           112: }
        !           113: 
        !           114: /*
        !           115:  * Described in header
        !           116:  */
        !           117: delete_child_sa_job_t *delete_child_sa_job_create(protocol_id_t protocol,
        !           118:                                                                        uint32_t spi, host_t *dst, bool expired)
        !           119: {
        !           120:        private_delete_child_sa_job_t *this;
        !           121: 
        !           122:        INIT(this,
        !           123:                .public = {
        !           124:                        .job_interface = {
        !           125:                                .execute = _execute,
        !           126:                                .get_priority = _get_priority,
        !           127:                                .destroy = _destroy,
        !           128:                        },
        !           129:                },
        !           130:                .protocol = protocol,
        !           131:                .spi = spi,
        !           132:                .dst = dst->clone(dst),
        !           133:                .expired = expired,
        !           134:        );
        !           135: 
        !           136:        return &this->public;
        !           137: }
        !           138: 
        !           139: /*
        !           140:  * Described in header
        !           141:  */
        !           142: delete_child_sa_job_t *delete_child_sa_job_create_id(uint32_t id)
        !           143: {
        !           144:        private_delete_child_sa_job_t *this;
        !           145: 
        !           146:        INIT(this,
        !           147:                .public = {
        !           148:                        .job_interface = {
        !           149:                                .execute = _execute,
        !           150:                                .get_priority = _get_priority,
        !           151:                                .destroy = _destroy,
        !           152:                        },
        !           153:                },
        !           154:                .id = id,
        !           155:        );
        !           156: 
        !           157:        return &this->public;
        !           158: }