a

554325746@qq.com

2019-07-15 e6a8bdd23d6f5cb46ac650285829573280edcdf6

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package com.basic.security.utils;
 
public class LztekAndroidRoot{
/* It is sample code for Lztek Android 7.1 and 8.1 root
 
     */
    public static void SafeClose(java.io.Closeable closeable) {
        if (null != closeable) {
            try {
                closeable.close();
            } catch (java.io.IOException e) { 
            }
        }
    }
    
    /* The command sequence is like "su root chmod 666 /dev/i2c-1".
     * Each command should be executed in this strange way :-)
     */
    
    public static String SuExec(String command, java.io.File workingDirectory) {
        if (null == command || (command=command.trim()).length() == 0) { 
            return null;
        }
        if (null == workingDirectory) { 
            workingDirectory = new java.io.File("/"); 
        } 
        java.io.OutputStream out = null;
        java.io.InputStream in = null;
        java.io.InputStream err = null;        
        try {  
            Runtime runtime = Runtime.getRuntime(); 
            Process process = runtime.exec("su root " + command, null, workingDirectory);     
            StringBuffer inString = new StringBuffer();
            StringBuffer errString = new StringBuffer();            
            out = process.getOutputStream();
               
            in = process.getInputStream();  
            err = process.getErrorStream();             
            while (in.available() > 0) { 
                inString.append((char)in.read());
            } 
            while (err.available() > 0) {  
                errString.append((char)err.read());
            } 
            return inString.toString();
        } catch (Exception ioex) { 
            return null;
        } finally {
            SafeClose(out);
            SafeClose(in);
            SafeClose(err); 
        }    
    }
}