1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* Copyright (C) 2012 Martin Willi
* Copyright (C) 2012 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "adopt_children_job.h"
#include <daemon.h>
#include <hydra.h>
typedef struct private_adopt_children_job_t private_adopt_children_job_t;
/**
* Private data of an adopt_children_job_t object.
*/
struct private_adopt_children_job_t {
/**
* Public adopt_children_job_t interface.
*/
adopt_children_job_t public;
/**
* IKE_SA id to adopt children from
*/
ike_sa_id_t *id;
};
METHOD(job_t, destroy, void,
private_adopt_children_job_t *this)
{
this->id->destroy(this->id);
free(this);
}
METHOD(job_t, execute, job_requeue_t,
private_adopt_children_job_t *this)
{
identification_t *my_id, *other_id, *xauth;
host_t *me, *other;
peer_cfg_t *cfg;
linked_list_t *children;
enumerator_t *enumerator, *childenum;
ike_sa_id_t *id;
ike_sa_t *ike_sa;
child_sa_t *child_sa;
ike_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager, this->id);
if (ike_sa)
{
/* get what we need from new SA */
me = ike_sa->get_my_host(ike_sa);
me = me->clone(me);
other = ike_sa->get_other_host(ike_sa);
other = other->clone(other);
my_id = ike_sa->get_my_id(ike_sa);
my_id = my_id->clone(my_id);
other_id = ike_sa->get_other_id(ike_sa);
other_id = other_id->clone(other_id);
xauth = ike_sa->get_other_eap_id(ike_sa);
xauth = xauth->clone(xauth);
cfg = ike_sa->get_peer_cfg(ike_sa);
cfg->get_ref(cfg);
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
/* find old SA to adopt children from */
children = linked_list_create();
enumerator = charon->ike_sa_manager->create_id_enumerator(
charon->ike_sa_manager, my_id, xauth,
other->get_family(other));
while (enumerator->enumerate(enumerator, &id))
{
if (id->equals(id, this->id))
{ /* not from self */
continue;
}
ike_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager, id);
if (ike_sa)
{
if ((ike_sa->get_state(ike_sa) == IKE_ESTABLISHED ||
ike_sa->get_state(ike_sa) == IKE_PASSIVE) &&
me->equals(me, ike_sa->get_my_host(ike_sa)) &&
other->equals(other, ike_sa->get_other_host(ike_sa)) &&
other_id->equals(other_id, ike_sa->get_other_id(ike_sa)) &&
cfg->equals(cfg, ike_sa->get_peer_cfg(ike_sa)))
{
childenum = ike_sa->create_child_sa_enumerator(ike_sa);
while (childenum->enumerate(childenum, &child_sa))
{
ike_sa->remove_child_sa(ike_sa, childenum);
children->insert_last(children, child_sa);
}
childenum->destroy(childenum);
DBG1(DBG_IKE, "detected reauth of existing IKE_SA, "
"adopting %d children", children->get_count(children));
ike_sa->set_state(ike_sa, IKE_DELETING);
charon->bus->ike_updown(charon->bus, ike_sa, FALSE);
charon->ike_sa_manager->checkin_and_destroy(
charon->ike_sa_manager, ike_sa);
}
else
{
charon->ike_sa_manager->checkin(
charon->ike_sa_manager, ike_sa);
}
if (children->get_count(children))
{
break;
}
}
}
enumerator->destroy(enumerator);
me->destroy(me);
other->destroy(other);
my_id->destroy(my_id);
other_id->destroy(other_id);
xauth->destroy(xauth);
cfg->destroy(cfg);
if (children->get_count(children))
{
/* adopt children by new SA */
ike_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
this->id);
if (ike_sa)
{
while (children->remove_last(children,
(void**)&child_sa) == SUCCESS)
{
ike_sa->add_child_sa(ike_sa, child_sa);
}
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
}
}
children->destroy_offset(children, offsetof(child_sa_t, destroy));
}
return JOB_REQUEUE_NONE;
}
METHOD(job_t, get_priority, job_priority_t,
private_adopt_children_job_t *this)
{
return JOB_PRIO_HIGH;
}
/**
* See header
*/
adopt_children_job_t *adopt_children_job_create(ike_sa_id_t *id)
{
private_adopt_children_job_t *this;
INIT(this,
.public = {
.job_interface = {
.execute = _execute,
.get_priority = _get_priority,
.destroy = _destroy,
},
},
.id = id->clone(id),
);
return &this->public;
}
|