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Annotation of embedaddon/strongswan/src/conftest/hooks/set_ike_spi.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2010 Martin Willi
                      3:  * Copyright (C) 2010 revosec AG
                      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 "hook.h"
                     17: 
                     18: #include <encoding/payloads/unknown_payload.h>
                     19: 
                     20: typedef struct private_set_ike_spi_t private_set_ike_spi_t;
                     21: 
                     22: /**
                     23:  * Private data of an set_ike_spi_t object.
                     24:  */
                     25: struct private_set_ike_spi_t {
                     26: 
                     27:        /**
                     28:         * Implements the hook_t interface.
                     29:         */
                     30:        hook_t hook;
                     31: 
                     32:        /**
                     33:         * Alter requests or responses?
                     34:         */
                     35:        bool req;
                     36: 
                     37:        /**
                     38:         * ID of message to alter.
                     39:         */
                     40:        int id;
                     41: 
                     42:        /**
                     43:         * Initiator SPI
                     44:         */
                     45:        uint64_t spii;
                     46: 
                     47:        /**
                     48:         * Responder SPI
                     49:         */
                     50:        uint64_t spir;
                     51: };
                     52: 
                     53: METHOD(listener_t, message, bool,
                     54:        private_set_ike_spi_t *this, ike_sa_t *ike_sa, message_t *message,
                     55:        bool incoming, bool plain)
                     56: {
                     57:        if (!incoming && plain &&
                     58:                message->get_request(message) == this->req &&
                     59:                message->get_message_id(message) == this->id)
                     60:        {
                     61:                ike_sa_id_t *id;
                     62: 
                     63:                DBG1(DBG_CFG, "setting IKE SPIs to: 0x%llx/0x%llx",
                     64:                         this->spii, this->spir);
                     65: 
                     66:                id = message->get_ike_sa_id(message);
                     67:                id->set_initiator_spi(id, this->spii);
                     68:                id->set_responder_spi(id, this->spir);
                     69:        }
                     70:        return TRUE;
                     71: }
                     72: 
                     73: METHOD(hook_t, destroy, void,
                     74:        private_set_ike_spi_t *this)
                     75: {
                     76:        free(this);
                     77: }
                     78: 
                     79: /**
                     80:  * Create the IKE_AUTH fill hook
                     81:  */
                     82: hook_t *set_ike_spi_hook_create(char *name)
                     83: {
                     84:        private_set_ike_spi_t *this;
                     85: 
                     86:        INIT(this,
                     87:                .hook = {
                     88:                        .listener = {
                     89:                                .message = _message,
                     90:                        },
                     91:                        .destroy = _destroy,
                     92:                },
                     93:                .req = conftest->test->get_bool(conftest->test,
                     94:                                                                                "hooks.%s.request", TRUE, name),
                     95:                .id = conftest->test->get_int(conftest->test,
                     96:                                                                                "hooks.%s.id", 0, name),
                     97:                .spii = strtoull(conftest->test->get_str(conftest->test,
                     98:                                                                                "hooks.%s.spii", "0", name), NULL, 16),
                     99:                .spir = strtoull(conftest->test->get_str(conftest->test,
                    100:                                                                                "hooks.%s.spir", "0", name), NULL, 16),
                    101:        );
                    102: 
                    103:        return &this->hook;
                    104: }