Annotation of embedaddon/strongswan/src/libcharon/processing/jobs/mediation_job.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2007 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 "mediation_job.h"
! 17:
! 18: #include <encoding/payloads/endpoint_notify.h>
! 19: #include <daemon.h>
! 20:
! 21:
! 22: typedef struct private_mediation_job_t private_mediation_job_t;
! 23:
! 24: /**
! 25: * Private data of an mediation_job_t Object
! 26: */
! 27: struct private_mediation_job_t {
! 28: /**
! 29: * public mediation_job_t interface
! 30: */
! 31: mediation_job_t public;
! 32:
! 33: /**
! 34: * ID of target peer.
! 35: */
! 36: identification_t *target;
! 37:
! 38: /**
! 39: * ID of the source peer.
! 40: */
! 41: identification_t *source;
! 42:
! 43: /**
! 44: * ME_CONNECTID
! 45: */
! 46: chunk_t connect_id;
! 47:
! 48: /**
! 49: * ME_CONNECTKEY
! 50: */
! 51: chunk_t connect_key;
! 52:
! 53: /**
! 54: * Submitted endpoints
! 55: */
! 56: linked_list_t *endpoints;
! 57:
! 58: /**
! 59: * Is this a callback job?
! 60: */
! 61: bool callback;
! 62:
! 63: /**
! 64: * Is this a response?
! 65: */
! 66: bool response;
! 67: };
! 68:
! 69: METHOD(job_t, destroy, void,
! 70: private_mediation_job_t *this)
! 71: {
! 72: DESTROY_IF(this->target);
! 73: DESTROY_IF(this->source);
! 74: chunk_free(&this->connect_id);
! 75: chunk_free(&this->connect_key);
! 76: DESTROY_OFFSET_IF(this->endpoints, offsetof(endpoint_notify_t, destroy));
! 77: free(this);
! 78: }
! 79:
! 80: METHOD(job_t, execute, job_requeue_t,
! 81: private_mediation_job_t *this)
! 82: {
! 83: ike_sa_id_t *target_sa_id;
! 84:
! 85: target_sa_id = charon->mediation_manager->check(charon->mediation_manager, this->target);
! 86:
! 87: if (target_sa_id)
! 88: {
! 89: ike_sa_t *target_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
! 90: target_sa_id);
! 91: if (target_sa)
! 92: {
! 93: if (this->callback)
! 94: {
! 95: /* send callback to a peer */
! 96: if (target_sa->callback(target_sa, this->source) != SUCCESS)
! 97: {
! 98: DBG1(DBG_JOB, "callback for '%Y' to '%Y' failed",
! 99: this->source, this->target);
! 100: charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
! 101: return JOB_REQUEUE_NONE;
! 102: }
! 103: }
! 104: else
! 105: {
! 106: /* normal mediation between two peers */
! 107: if (target_sa->relay(target_sa, this->source, this->connect_id,
! 108: this->connect_key, this->endpoints, this->response) != SUCCESS)
! 109: {
! 110: DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed",
! 111: this->source, this->target);
! 112: charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
! 113: /* FIXME: notify the initiator */
! 114: return JOB_REQUEUE_NONE;
! 115: }
! 116: }
! 117:
! 118: charon->ike_sa_manager->checkin(charon->ike_sa_manager, target_sa);
! 119: }
! 120: else
! 121: {
! 122: DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed: "
! 123: "SA not found", this->source, this->target);
! 124: }
! 125: }
! 126: else
! 127: {
! 128: DBG1(DBG_JOB, "mediation between '%Y' and '%Y' failed: "
! 129: "peer is not online anymore", this->source, this->target);
! 130: }
! 131: return JOB_REQUEUE_NONE;
! 132: }
! 133:
! 134: METHOD(job_t, get_priority, job_priority_t,
! 135: private_mediation_job_t *this)
! 136: {
! 137: return JOB_PRIO_MEDIUM;
! 138: }
! 139:
! 140: /**
! 141: * Creates an empty mediation job
! 142: */
! 143: static private_mediation_job_t *mediation_job_create_empty()
! 144: {
! 145: private_mediation_job_t *this;
! 146: INIT(this,
! 147: .public = {
! 148: .job_interface = {
! 149: .execute = _execute,
! 150: .get_priority = _get_priority,
! 151: .destroy = _destroy,
! 152: },
! 153: },
! 154: );
! 155: return this;
! 156: }
! 157:
! 158: /*
! 159: * Described in header
! 160: */
! 161: mediation_job_t *mediation_job_create(identification_t *peer_id,
! 162: identification_t *requester, chunk_t connect_id, chunk_t connect_key,
! 163: linked_list_t *endpoints, bool response)
! 164: {
! 165: private_mediation_job_t *this = mediation_job_create_empty();
! 166:
! 167: this->target = peer_id->clone(peer_id);
! 168: this->source = requester->clone(requester);
! 169: this->connect_id = chunk_clone(connect_id);
! 170: this->connect_key = chunk_clone(connect_key);
! 171: this->endpoints = endpoints->clone_offset(endpoints, offsetof(endpoint_notify_t, clone));
! 172: this->response = response;
! 173:
! 174: return &this->public;
! 175: }
! 176:
! 177: /*
! 178: * Described in header
! 179: */
! 180: mediation_job_t *mediation_callback_job_create(identification_t *requester,
! 181: identification_t *peer_id)
! 182: {
! 183: private_mediation_job_t *this = mediation_job_create_empty();
! 184:
! 185: this->target = requester->clone(requester);
! 186: this->source = peer_id->clone(peer_id);
! 187: this->callback = TRUE;
! 188:
! 189: return &this->public;
! 190: }
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