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
|
/* -*- mode: C; c-file-style: "gnu" -*- */
/* policy.h Bus security policy
*
* Copyright (C) 2003 Red Hat, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef BUS_POLICY_H
#define BUS_POLICY_H
#include <dbus/dbus.h>
#include <dbus/dbus-string.h>
#include <dbus/dbus-list.h>
#include <dbus/dbus-sysdeps.h>
#include "bus.h"
typedef enum
{
BUS_POLICY_RULE_SEND,
BUS_POLICY_RULE_RECEIVE,
BUS_POLICY_RULE_OWN,
BUS_POLICY_RULE_USER,
BUS_POLICY_RULE_GROUP
} BusPolicyRuleType;
/** determines whether the rule affects a connection, or some global item */
#define BUS_POLICY_RULE_IS_PER_CLIENT(rule) (!((rule)->type == BUS_POLICY_RULE_USER || \
(rule)->type == BUS_POLICY_RULE_GROUP))
struct BusPolicyRule
{
int refcount;
BusPolicyRuleType type;
unsigned int allow : 1; /**< #TRUE if this allows, #FALSE if it denies */
union
{
struct
{
/* message type can be DBUS_MESSAGE_TYPE_INVALID meaning "any" */
int message_type;
/* any of these can be NULL meaning "any" */
char *path;
char *interface;
char *member;
char *error;
char *destination;
unsigned int requested_reply : 1;
} send;
struct
{
/* message type can be DBUS_MESSAGE_TYPE_INVALID meaning "any" */
int message_type;
/* any of these can be NULL meaning "any" */
char *path;
char *interface;
char *member;
char *error;
char *origin;
unsigned int eavesdrop : 1;
unsigned int requested_reply : 1;
} receive;
struct
{
/* can be NULL meaning "any" */
char *service_name;
} own;
struct
{
/* can be DBUS_UID_UNSET meaning "any" */
dbus_uid_t uid;
} user;
struct
{
/* can be DBUS_GID_UNSET meaning "any" */
dbus_gid_t gid;
} group;
} d;
};
BusPolicyRule* bus_policy_rule_new (BusPolicyRuleType type,
dbus_bool_t allow);
BusPolicyRule* bus_policy_rule_ref (BusPolicyRule *rule);
void bus_policy_rule_unref (BusPolicyRule *rule);
BusPolicy* bus_policy_new (void);
BusPolicy* bus_policy_ref (BusPolicy *policy);
void bus_policy_unref (BusPolicy *policy);
BusClientPolicy* bus_policy_create_client_policy (BusPolicy *policy,
DBusConnection *connection,
DBusError *error);
dbus_bool_t bus_policy_allow_user (BusPolicy *policy,
unsigned long uid);
dbus_bool_t bus_policy_append_default_rule (BusPolicy *policy,
BusPolicyRule *rule);
dbus_bool_t bus_policy_append_mandatory_rule (BusPolicy *policy,
BusPolicyRule *rule);
dbus_bool_t bus_policy_append_user_rule (BusPolicy *policy,
dbus_uid_t uid,
BusPolicyRule *rule);
dbus_bool_t bus_policy_append_group_rule (BusPolicy *policy,
dbus_gid_t gid,
BusPolicyRule *rule);
dbus_bool_t bus_policy_append_console_rule (BusPolicy *policy,
dbus_bool_t at_console,
BusPolicyRule *rule);
dbus_bool_t bus_policy_merge (BusPolicy *policy,
BusPolicy *to_absorb);
BusClientPolicy* bus_client_policy_new (void);
BusClientPolicy* bus_client_policy_ref (BusClientPolicy *policy);
void bus_client_policy_unref (BusClientPolicy *policy);
dbus_bool_t bus_client_policy_check_can_send (BusClientPolicy *policy,
BusRegistry *registry,
dbus_bool_t requested_reply,
DBusConnection *receiver,
DBusMessage *message);
dbus_bool_t bus_client_policy_check_can_receive (BusClientPolicy *policy,
BusRegistry *registry,
dbus_bool_t requested_reply,
DBusConnection *sender,
DBusConnection *addressed_recipient,
DBusConnection *proposed_recipient,
DBusMessage *message);
dbus_bool_t bus_client_policy_check_can_own (BusClientPolicy *policy,
DBusConnection *connection,
const DBusString *service_name);
dbus_bool_t bus_client_policy_append_rule (BusClientPolicy *policy,
BusPolicyRule *rule);
void bus_client_policy_optimize (BusClientPolicy *policy);
#endif /* BUS_POLICY_H */
|
