1 package com.alipay.net;
2
3 /**
4 * Created by xianyu.hxy on 2015/6/9.
5 */
6
7 import android.content.Context;
8 import android.content.res.AssetManager;
9 import android.os.Environment;
10 import android.text.TextUtils;
11
12 import java.io.*;
13
14 public class CommandsHelper {
15 private static final String NAME = "tcpdump";
16 private static final String TAG = "CommandsHelper";
17 public static final String DEST_FILE = Environment.getExternalStorageDirectory() + File.separator+"Alipay"+File.separator+"capture.pcap";
18 public static final String DEST_FILE1="/sdcard/Alipay/capture.pcap";
19 public static boolean startCapture(Context context) {
20 InputStream is = null;
21 OutputStream os = null;
22 boolean retVal = false;
23 try {
24 AssetManager am = context.getAssets();
25 is = am.open(NAME);
26 File sdcardFile = Environment.getExternalStorageDirectory();
27 File dstFile = new File(sdcardFile, NAME);
28 os = new FileOutputStream(dstFile);
29
30 copyStream(is, os);
31
32 String[] commands = new String[7];
33 commands[0] = "adb shell";
34 commands[1] = "su";
35 commands[2] = "cp -rf " + dstFile.toString() + " /data/local/tcpdump";
36 commands[3] = "rm -r " + dstFile.toString();
37 commands[4] = "chmod 777 /data/local/tcpdump";
38 commands[5] ="cd /data/local";
39 commands[6] = "./tcpdump -p -vv -s 0 -w " + DEST_FILE1;
40
41 execCmd(commands);
42 } catch (IOException e) {
43 e.printStackTrace();
44
45 } finally {
46 closeSafely(is);
47 closeSafely(os);
48 }
49
50 return retVal;
51 }
52
53 public static void stopCapture(Context context) {
54 // 找出所有的带有tcpdump的进程
55 String[] commands = new String[2];
56 commands[0] = "adb shell";
57 commands[1] = "ps|grep tcpdump|grep root|awk '{print $2}'";
58 Process process = execCmd(commands);
59 String result = parseInputStream(process.getInputStream());
60 if (!TextUtils.isEmpty(result)) {
61 String[] pids = result.split("\n");
62 if (null != pids) {
63 String[] killCmds = new String[pids.length];
64 for (int i = 0; i < pids.length; ++i) {
65 killCmds[i] = "kill -9 " + pids[i];
66 }
67 execCmd(killCmds);
68 }
69 }
70 }
71
72 public static Process execCmd(String command) {
73 return execCmd(new String[] { command }, true);
74 }
75
76 public static Process execCmd(String[] commands) {
77 return execCmd(commands, true);
78 }
79
80 public static Process execCmd(String[] commands, boolean waitFor) {
81 Process suProcess = null;
82 try {
83 suProcess = Runtime.getRuntime().exec("su\n");
84
85 DataOutputStream os = new DataOutputStream(suProcess.getOutputStream());
86 for (String cmd : commands) {
87 if (!TextUtils.isEmpty(cmd)) {
88 os.writeBytes(cmd + "\n");
89 }
90 }
91 os.flush();
92 os.writeBytes("exit\n");
93 os.flush();
94 } catch (IOException e) {
95 e.printStackTrace();
96 }
97
98 if (waitFor) {
99 boolean retval = false;
100 try {
101 int suProcessRetval = suProcess.waitFor();
102 if (255 != suProcessRetval) {
103 retval = true;
104 } else {
105 retval = false;
106 }
107 } catch (Exception ex) {
108 // Log.w("Error ejecutando el comando Root", ex);
109 }
110 }
111
112 return suProcess;
113 }
114
115 private static void copyStream(InputStream is, OutputStream os) {
116 final int BUFFER_SIZE = 1024;
117 try {
118 byte[] bytes = new byte[BUFFER_SIZE];
119 for (;;) {
120 int count = is.read(bytes, 0, BUFFER_SIZE);
121 if (count == -1) {
122 break;
123 }
124
125 os.write(bytes, 0, count);
126 }
127 } catch (IOException e) {
128 e.printStackTrace();
129 }
130 }
131
132 private static void closeSafely(Closeable is) {
133 try {
134 if (null != is) {
135 is.close();
136 }
137 } catch (IOException e) {
138 e.printStackTrace();
139 }
140 }
141
142 private static String parseInputStream(InputStream is) {
143 InputStreamReader isr = new InputStreamReader(is);
144 BufferedReader br = new BufferedReader(isr);
145 String line = null;
146 StringBuilder sb = new StringBuilder();
147 try {
148 while ( (line = br.readLine()) != null) {
149 sb.append(line).append("\n");
150 }
151 } catch (IOException e) {
152 e.printStackTrace();
153 }
154
155 return sb.toString();
156 }
157 }
Runtime.getRuntime().exec("su\n");执行su的时候会弹出框；手机必须root；执行的tcpdump文件http://i.cnblogs.com/Files.aspx可下载。保存的.pcap文件可用wireshark分析。
非root情况下用fiddler只能获取http请求。
