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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/*
* Copyright (c) 2012-2016 Arne Schwabe
* Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
*/
package de.blinkt.openvpn.core;
import android.annotation.SuppressLint;
import android.util.Log;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.LinkedList;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import de.blinkt.openvpn.R;
import de.blinkt.openvpn.core.VpnStatus.ConnectionStatus;
public class OpenVPNThread implements Runnable {
private static final String DUMP_PATH_STRING = "Dump path: ";
@SuppressLint("SdCardPath")
private static final String BROKEN_PIE_SUPPORT = "/data/data/de.blinkt.openvpn/cache/pievpn";
private final static String BROKEN_PIE_SUPPORT2 = "syntax error";
private static final String TAG = "OpenVPN";
public static final int M_FATAL = (1 << 4);
public static final int M_NONFATAL = (1 << 5);
public static final int M_WARN = (1 << 6);
public static final int M_DEBUG = (1 << 7);
private String[] mArgv;
private Process mProcess;
private String mNativeDir;
private OpenVPNService mService;
private String mDumpPath;
private boolean mBrokenPie = false;
private boolean mNoProcessExitStatus = false;
public OpenVPNThread(OpenVPNService service, String[] argv, String nativelibdir) {
mArgv = argv;
mNativeDir = nativelibdir;
mService = service;
}
public void stopProcess() {
mProcess.destroy();
}
void setReplaceConnection()
{
mNoProcessExitStatus=true;
}
@Override
public void run() {
try {
Log.i(TAG, "Starting openvpn");
startOpenVPNThreadArgs(mArgv);
Log.i(TAG, "OpenVPN process exited");
} catch (Exception e) {
VpnStatus.logException("Starting OpenVPN Thread", e);
Log.e(TAG, "OpenVPNThread Got " + e.toString());
} finally {
int exitvalue = 0;
try {
if (mProcess != null)
exitvalue = mProcess.waitFor();
} catch (IllegalThreadStateException ite) {
VpnStatus.logError("Illegal Thread state: " + ite.getLocalizedMessage());
} catch (InterruptedException ie) {
VpnStatus.logError("InterruptedException: " + ie.getLocalizedMessage());
}
if (exitvalue != 0) {
VpnStatus.logError("Process exited with exit value " + exitvalue);
if (mBrokenPie) {
/* This will probably fail since the NoPIE binary is probably not written */
String[] noPieArgv = VPNLaunchHelper.replacePieWithNoPie(mArgv);
// We are already noPIE, nothing to gain
if (!noPieArgv.equals(mArgv)) {
mArgv = noPieArgv;
VpnStatus.logInfo("PIE Version could not be executed. Trying no PIE version");
run();
return;
}
}
}
if (!mNoProcessExitStatus)
VpnStatus.updateStateString("NOPROCESS", "No process running.", R.string.state_noprocess, ConnectionStatus.LEVEL_NOTCONNECTED);
if (mDumpPath != null) {
try {
BufferedWriter logout = new BufferedWriter(new FileWriter(mDumpPath + ".log"));
SimpleDateFormat timeformat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.GERMAN);
for (LogItem li : VpnStatus.getlogbuffer()) {
String time = timeformat.format(new Date(li.getLogtime()));
logout.write(time + " " + li.getString(mService) + "\n");
}
logout.close();
VpnStatus.logError(R.string.minidump_generated);
} catch (IOException e) {
VpnStatus.logError("Writing minidump log: " + e.getLocalizedMessage());
}
}
mService.processDied();
Log.i(TAG, "Exiting");
}
}
private void startOpenVPNThreadArgs(String[] argv) {
LinkedList<String> argvlist = new LinkedList<String>();
Collections.addAll(argvlist, argv);
ProcessBuilder pb = new ProcessBuilder(argvlist);
// Hack O rama
String lbpath = genLibraryPath(argv, pb);
pb.environment().put("LD_LIBRARY_PATH", lbpath);
pb.redirectErrorStream(true);
try {
mProcess = pb.start();
// Close the output, since we don't need it
mProcess.getOutputStream().close();
InputStream in = mProcess.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
while (true) {
String logline = br.readLine();
if (logline == null)
return;
if (logline.startsWith(DUMP_PATH_STRING))
mDumpPath = logline.substring(DUMP_PATH_STRING.length());
if (logline.startsWith(BROKEN_PIE_SUPPORT) || logline.contains(BROKEN_PIE_SUPPORT2))
mBrokenPie = true;
// 1380308330.240114 18000002 Send to HTTP proxy: 'X-Online-Host: bla.blabla.com'
Pattern p = Pattern.compile("(\\d+).(\\d+) ([0-9a-f])+ (.*)");
Matcher m = p.matcher(logline);
if (m.matches()) {
int flags = Integer.parseInt(m.group(3), 16);
String msg = m.group(4);
int logLevel = flags & 0x0F;
VpnStatus.LogLevel logStatus = VpnStatus.LogLevel.INFO;
if ((flags & M_FATAL) != 0)
logStatus = VpnStatus.LogLevel.ERROR;
else if ((flags & M_NONFATAL) != 0)
logStatus = VpnStatus.LogLevel.WARNING;
else if ((flags & M_WARN) != 0)
logStatus = VpnStatus.LogLevel.WARNING;
else if ((flags & M_DEBUG) != 0)
logStatus = VpnStatus.LogLevel.VERBOSE;
if (msg.startsWith("MANAGEMENT: CMD"))
logLevel = Math.max(4, logLevel);
VpnStatus.logMessageOpenVPN(logStatus, logLevel, msg);
} else {
VpnStatus.logInfo("P:" + logline);
}
if (Thread.interrupted()) {
throw new InterruptedException("OpenVpn process was killed form java code");
}
}
} catch (InterruptedException | IOException e) {
VpnStatus.logException("Error reading from output of OpenVPN process", e);
stopProcess();
}
}
private String genLibraryPath(String[] argv, ProcessBuilder pb) {
// Hack until I find a good way to get the real library path
String applibpath = argv[0].replaceFirst("/cache/.*$", "/lib");
String lbpath = pb.environment().get("LD_LIBRARY_PATH");
if (lbpath == null)
lbpath = applibpath;
else
lbpath = applibpath + ":" + lbpath;
if (!applibpath.equals(mNativeDir)) {
lbpath = mNativeDir + ":" + lbpath;
}
return lbpath;
}
}
|