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
|
/**
* @file
* Defines the public interface for searching and iterating over netifcon statements.
*
* @author Kevin Carr kcarr@tresys.com
* @author Jeremy A. Mowery jmowery@tresys.com
* @author Jason Tang jtang@tresys.com
*
* Copyright (C) 2006-2007 Tresys Technology, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#include <qpol/iterator.h>
#include <qpol/policy.h>
#include <qpol/context_query.h>
#include <qpol/netifcon_query.h>
#include <sepol/policydb/policydb.h>
#include "qpol_internal.h"
#include "iterator_internal.h"
int qpol_policy_get_netifcon_by_name(const qpol_policy_t * policy, const char *name, const qpol_netifcon_t ** ocon)
{
ocontext_t *tmp = NULL;
policydb_t *db = NULL;
if (ocon != NULL)
*ocon = NULL;
if (policy == NULL || name == NULL || ocon == NULL) {
ERR(policy, "%s", strerror(EINVAL));
errno = EINVAL;
return STATUS_ERR;
}
db = &policy->p->p;
for (tmp = db->ocontexts[OCON_NETIF]; tmp; tmp = tmp->next) {
if (!strcmp(name, tmp->u.name))
break;
}
*ocon = (qpol_netifcon_t *) tmp;
if (*ocon == NULL) {
ERR(policy, "could not find netifcon statement for %s", name);
errno = ENOENT;
return STATUS_ERR;
}
return STATUS_SUCCESS;
}
int qpol_policy_get_netifcon_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter)
{
policydb_t *db = NULL;
int error = 0;
ocon_state_t *os = NULL;
if (iter != NULL)
*iter = NULL;
if (policy == NULL || iter == NULL) {
ERR(policy, "%s", strerror(EINVAL));
errno = EINVAL;
return STATUS_ERR;
}
db = &policy->p->p;
os = calloc(1, sizeof(ocon_state_t));
if (os == NULL) {
error = errno;
ERR(policy, "%s", strerror(ENOMEM));
errno = error;
return STATUS_ERR;
}
os->head = os->cur = db->ocontexts[OCON_NETIF];
if (qpol_iterator_create(policy, (void *)os, ocon_state_get_cur,
ocon_state_next, ocon_state_end, ocon_state_size, free, iter)) {
free(os);
return STATUS_ERR;
}
return STATUS_SUCCESS;
}
int qpol_netifcon_get_name(const qpol_policy_t * policy, const qpol_netifcon_t * ocon, const char **name)
{
ocontext_t *internal_ocon = NULL;
if (name != NULL)
*name = NULL;
if (policy == NULL || ocon == NULL || name == NULL) {
ERR(policy, "%s", strerror(EINVAL));
errno = EINVAL;
return STATUS_ERR;
}
internal_ocon = (ocontext_t *) ocon;
*name = internal_ocon->u.name;
return STATUS_SUCCESS;
}
int qpol_netifcon_get_msg_con(const qpol_policy_t * policy, const qpol_netifcon_t * ocon, const qpol_context_t ** context)
{
ocontext_t *internal_ocon = NULL;
if (context != NULL)
*context = NULL;
if (policy == NULL || ocon == NULL || context == NULL) {
ERR(policy, "%s", strerror(EINVAL));
errno = EINVAL;
return STATUS_ERR;
}
internal_ocon = (ocontext_t *) ocon;
*context = (qpol_context_t *) & (internal_ocon->context[1]);
return STATUS_SUCCESS;
}
int qpol_netifcon_get_if_con(const qpol_policy_t * policy, const qpol_netifcon_t * ocon, const qpol_context_t ** context)
{
ocontext_t *internal_ocon = NULL;
if (context != NULL)
*context = NULL;
if (policy == NULL || ocon == NULL || context == NULL) {
ERR(policy, "%s", strerror(EINVAL));
errno = EINVAL;
return STATUS_ERR;
}
internal_ocon = (ocontext_t *) ocon;
*context = (qpol_context_t *) & (internal_ocon->context[0]);
return STATUS_SUCCESS;
}
|
