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: }
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