blob: a6ea9d261edead795f6aea62f1048b9822d93d70 (
plain)
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
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.security.access.plugins;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.qpid.server.configuration.plugins.ConfigurationPlugin;
import org.apache.qpid.server.security.AbstractPlugin;
import org.apache.qpid.server.security.Result;
import org.apache.qpid.server.security.SecurityPluginFactory;
import org.apache.qpid.server.security.access.ObjectProperties;
import org.apache.qpid.server.security.access.ObjectType;
import org.apache.qpid.server.security.access.Operation;
import org.apache.qpid.server.security.access.config.FirewallException;
import org.apache.qpid.server.security.access.config.FirewallRule;
public class Firewall extends AbstractPlugin
{
public static final SecurityPluginFactory<Firewall> FACTORY = new SecurityPluginFactory<Firewall>()
{
public Firewall newInstance(ConfigurationPlugin config) throws ConfigurationException
{
FirewallConfiguration configuration = config.getConfiguration(FirewallConfiguration.class.getName());
// If there is no configuration for this plugin then don't load it.
if (configuration == null)
{
return null;
}
Firewall plugin = new Firewall();
plugin.configure(configuration);
return plugin;
}
public Class<Firewall> getPluginClass()
{
return Firewall.class;
}
public String getPluginName()
{
return Firewall.class.getName();
}
};
private Result _default = Result.ABSTAIN;
private FirewallRule[] _rules;
public Result getDefault()
{
return _default;
}
public Result authorise(Operation operation, ObjectType objectType, ObjectProperties properties)
{
return Result.ABSTAIN; // We only deal with access requests
}
public Result access(ObjectType objectType, Object instance)
{
if (objectType != ObjectType.VIRTUALHOST)
{
return Result.ABSTAIN; // We are only interested in access to virtualhosts
}
if (!(instance instanceof InetSocketAddress))
{
return Result.ABSTAIN; // We need an internet address
}
InetAddress address = ((InetSocketAddress) instance).getAddress();
try
{
for (FirewallRule rule : _rules)
{
boolean match = rule.match(address);
if (match)
{
return rule.getAccess();
}
}
return getDefault();
}
catch (FirewallException fe)
{
return Result.DENIED;
}
}
public void configure(ConfigurationPlugin config)
{
super.configure(config);
FirewallConfiguration firewallConfiguration = (FirewallConfiguration) _config;
// Get default action
_default = firewallConfiguration.getDefaultAction();
Configuration finalConfig = firewallConfiguration.getConfiguration();
// all rules must have an access attribute
int numRules = finalConfig.getList("rule[@access]").size();
_rules = new FirewallRule[numRules];
for (int i = 0; i < numRules; i++)
{
FirewallRule rule = new FirewallRule(finalConfig.getString("rule(" + i + ")[@access]"),
finalConfig.getList("rule(" + i + ")[@network]"),
finalConfig.getList("rule(" + i + ")[@hostname]"));
_rules[i] = rule;
}
}
}
|
