1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <string.h>
19 #include <stdlib.h>
20 #include <errno.h>
21 #include <sys/socket.h>
22 #include <netinet/in.h>
23 #include <arpa/inet.h>
24
25 #include "PropertyManager.h"
26 #include "VpnController.h"
27
VpnController(PropertyManager * propmngr,IControllerHandler * handlers)28 VpnController::VpnController(PropertyManager *propmngr,
29 IControllerHandler *handlers) :
30 Controller("vpn", propmngr, handlers) {
31 mEnabled = false;
32
33 mStaticProperties.propEnabled = new VpnEnabledProperty(this);
34 mDynamicProperties.propGateway = new IPV4AddressPropertyHelper("Gateway",
35 false,
36 &mGateway);
37 }
38
start()39 int VpnController::start() {
40 mPropMngr->attachProperty("vpn", mStaticProperties.propEnabled);
41 return 0;
42 }
43
stop()44 int VpnController::stop() {
45 mPropMngr->detachProperty("vpn", mStaticProperties.propEnabled);
46 return 0;
47 }
48
VpnIntegerProperty(VpnController * c,const char * name,bool ro,int elements)49 VpnController::VpnIntegerProperty::VpnIntegerProperty(VpnController *c,
50 const char *name,
51 bool ro,
52 int elements) :
53 IntegerProperty(name, ro, elements) {
54 mVc = c;
55 }
56
VpnStringProperty(VpnController * c,const char * name,bool ro,int elements)57 VpnController::VpnStringProperty::VpnStringProperty(VpnController *c,
58 const char *name,
59 bool ro, int elements) :
60 StringProperty(name, ro, elements) {
61 mVc = c;
62 }
63
VpnIPV4AddressProperty(VpnController * c,const char * name,bool ro,int elements)64 VpnController::VpnIPV4AddressProperty::VpnIPV4AddressProperty(VpnController *c,
65 const char *name,
66 bool ro, int elements) :
67 IPV4AddressProperty(name, ro, elements) {
68 mVc = c;
69 }
70
VpnEnabledProperty(VpnController * c)71 VpnController::VpnEnabledProperty::VpnEnabledProperty(VpnController *c) :
72 VpnIntegerProperty(c, "Enabled", false, 1) {
73 }
get(int idx,int * buffer)74 int VpnController::VpnEnabledProperty::get(int idx, int *buffer) {
75 *buffer = mVc->mEnabled;
76 return 0;
77 }
set(int idx,int value)78 int VpnController::VpnEnabledProperty::set(int idx, int value) {
79 int rc;
80 if (!value) {
81 mVc->mPropMngr->detachProperty("vpn", mVc->mDynamicProperties.propGateway);
82 rc = mVc->disable();
83 } else {
84 rc = mVc->enable();
85 if (!rc) {
86 mVc->mPropMngr->attachProperty("vpn", mVc->mDynamicProperties.propGateway);
87 }
88 }
89 if (!rc)
90 mVc->mEnabled = value;
91 return rc;
92 }
93