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Annotation of embedaddon/strongswan/src/libcharon/sa/ikev2/tasks/ike_verify_peer_cert.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2015 Tobias Brunner
                      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_verify_peer_cert.h"
                     17: 
                     18: #include <daemon.h>
                     19: #include <sa/ikev2/tasks/ike_delete.h>
                     20: 
                     21: typedef struct private_ike_verify_peer_cert_t private_ike_verify_peer_cert_t;
                     22: 
                     23: /**
                     24:  * Private members
                     25:  */
                     26: struct private_ike_verify_peer_cert_t {
                     27: 
                     28:        /**
                     29:         * Public methods and task_t interface.
                     30:         */
                     31:        ike_verify_peer_cert_t public;
                     32: 
                     33:        /**
                     34:         * Assigned IKE_SA.
                     35:         */
                     36:        ike_sa_t *ike_sa;
                     37: 
                     38:        /**
                     39:         * Child ike_delete task, if necessary
                     40:         */
                     41:        ike_delete_t *ike_delete;
                     42: };
                     43: 
                     44: METHOD(task_t, build_i, status_t,
                     45:        private_ike_verify_peer_cert_t *this, message_t *message)
                     46: {
                     47:        if (!this->ike_sa->verify_peer_certificate(this->ike_sa))
                     48:        {
                     49:                DBG1(DBG_IKE, "peer certificate verification failed, deleting SA");
                     50:                this->ike_delete = ike_delete_create(this->ike_sa, TRUE);
                     51:                return this->ike_delete->task.build(&this->ike_delete->task, message);
                     52:        }
                     53:        DBG1(DBG_IKE, "peer certificate successfully verified");
                     54:        message->set_exchange_type(message, EXCHANGE_TYPE_UNDEFINED);
                     55:        return SUCCESS;
                     56: }
                     57: 
                     58: METHOD(task_t, process_i, status_t,
                     59:        private_ike_verify_peer_cert_t *this, message_t *message)
                     60: {
                     61:        if (this->ike_delete)
                     62:        {
                     63:                this->ike_delete->task.process(&this->ike_delete->task, message);
                     64:                /* try to reestablish the IKE_SA and all children */
                     65:                this->ike_sa->reestablish(this->ike_sa);
                     66:        }
                     67:        return DESTROY_ME;
                     68: }
                     69: 
                     70: METHOD(task_t, get_type, task_type_t,
                     71:        private_ike_verify_peer_cert_t *this)
                     72: {
                     73:        return TASK_IKE_VERIFY_PEER_CERT;
                     74: }
                     75: 
                     76: METHOD(task_t, migrate, void,
                     77:        private_ike_verify_peer_cert_t *this, ike_sa_t *ike_sa)
                     78: {
                     79:        if (this->ike_delete)
                     80:        {
                     81:                this->ike_delete->task.migrate(&this->ike_delete->task, ike_sa);
                     82:        }
                     83:        this->ike_sa = ike_sa;
                     84: }
                     85: 
                     86: METHOD(task_t, destroy, void,
                     87:        private_ike_verify_peer_cert_t *this)
                     88: {
                     89:        if (this->ike_delete)
                     90:        {
                     91:                this->ike_delete->task.destroy(&this->ike_delete->task);
                     92:        }
                     93:        free(this);
                     94: }
                     95: 
                     96: /*
                     97:  * Described in header.
                     98:  */
                     99: ike_verify_peer_cert_t *ike_verify_peer_cert_create(ike_sa_t *ike_sa)
                    100: {
                    101:        private_ike_verify_peer_cert_t *this;
                    102: 
                    103:        INIT(this,
                    104:                .public = {
                    105:                        .task = {
                    106:                                .get_type = _get_type,
                    107:                                .migrate = _migrate,
                    108:                                .build = _build_i,
                    109:                                .process = _process_i,
                    110:                                .destroy = _destroy,
                    111:                        },
                    112:                },
                    113:                .ike_sa = ike_sa,
                    114:        );
                    115: 
                    116:        return &this->public;
                    117: }