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Annotation of embedaddon/strongswan/src/libcharon/processing/jobs/delete_child_sa_job.c, revision 1.1.1.1

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: }