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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: }