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import javax.imageio.*;
import java.awt.image.*;
import java.awt.event.*;
import java.awt.*;
import java.security.NoSuchAlgorithmException;
import java.security.MessageDigest;
import java.lang.management.*;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.*;
import java.util.regex.*;
import java.util.List;
import java.util.zip.*;
import java.util.*;
public class main {
public static void main(String[] args) throws Exception {
String s = backtick("ipconfig");
List lines = toLines(s);
TreeSet ips = new TreeSet();
for (String line : lines) {
if (indexOfIgnoreCase(line, "Gateway") >= 0)
ips.addAll(matchAll("\\d+\\.\\d+\\.\\d+\\.\\d+", line));
}
if (ips.isEmpty()) System.out.println("No gateways found.");
for (String ip : ips) {
System.out.println("Possible gateway found: " + ip);
try {
String page = loadHomepage(ip);
System.out.println("Home page of device follows\n");
System.out.println(page);
} catch (Throwable e) {
System.out.println("Could not load home page of " + ip + ".");
}
}
}
static String loadHomepage(String ip) throws Exception {
return loadPage("http://" + ip + ":8888");
}
static int backtick_exitValue;
static boolean backtick_verbose;
public static String backtick(String cmd) throws IOException {
File outFile = File.createTempFile("_backtick", "");
File scriptFile = File.createTempFile("_backtick", isWindows() ? ".bat" : "");
String command = cmd + " >" + bashQuote(outFile.getPath()) + " 2>&1";
//Log.info("[Backtick] " + command);
try {
if (backtick_verbose)
print("backtick: command " + command);
saveTextFile(scriptFile.getPath(), command);
String[] command2;
if (isWindows())
command2 = new String[] { scriptFile.getPath() };
else
command2 = new String[] { "/bin/bash", scriptFile.getPath() };
if (backtick_verbose)
print("backtick: command2 " + structure(command2));
Process process = Runtime.getRuntime().exec(command2);
try {
process.waitFor();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
backtick_exitValue = process.exitValue();
if (backtick_verbose)
System.out.println("Process return code: " + backtick_exitValue);
return loadTextFile(outFile.getPath(), "");
} finally {
scriptFile.delete();
}
}
public static List toLines(String s) {
List lines = new ArrayList();
int start = 0;
while (true) {
int i = toLines_nextLineBreak(s, start);
if (i < 0) {
if (s.length() > start) lines.add(s.substring(start));
break;
}
lines.add(s.substring(start, i));
if (s.charAt(i) == '\r' && i+1 < s.length() && s.charAt(i+1) == '\n')
i += 2;
else
++i;
start = i;
}
return lines;
}
private static int toLines_nextLineBreak(String s, int start) {
for (int i = start; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '\r' || c == '\n')
return i;
}
return -1;
}
public static String loadPage(String url) throws IOException {
if(url.startsWith("tb/"))
url = "tinybrain.de:8080/" + url;
if (url.indexOf("://") < 0)
url = "http://" + url;
return loadPage(new URL(url));
}
public static String loadPage(URL url) throws IOException {
System.out.println("Loading: " + url.toExternalForm());
URLConnection con = url.openConnection();
return loadPage(con, url);
}
public static String loadPage(URLConnection con, URL url) throws IOException {
String contentType = con.getContentType();
if (contentType == null)
throw new IOException("Page could not be read: " + url);
//Log.info("Content-Type: " + contentType);
String charset = loadPage_guessCharset(contentType);
Reader r = new InputStreamReader(con.getInputStream(), charset);
StringBuilder buf = new StringBuilder();
while (true) {
int ch = r.read();
if (ch < 0)
break;
//Log.info("Chars read: " + buf.length());
buf.append((char) ch);
}
return buf.toString();
}
static String loadPage_guessCharset(String contentType) {
Pattern p = Pattern.compile("text/html;\\s+charset=([^\\s]+)\\s*");
Matcher m = p.matcher(contentType);
/* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
return m.matches() ? m.group(1) : "ISO-8859-1";
}
static List matchAll(String pattern, String text) {
List matches = new ArrayList();
Matcher matcher = Pattern.compile(pattern).matcher(text);
while (matcher.find())
matches.add(matcher.group());
return matches;
}
// works on lists and strings
static int indexOfIgnoreCase(Object a, Object b) {
if (a instanceof String) {
Matcher m = Pattern.compile((String) b, Pattern.CASE_INSENSITIVE + Pattern.LITERAL).matcher((String) a);
if (m.find()) return m.start(); else return -1;
}
if (a instanceof List) {
for (int i = 0; i < ((List) a).size(); i++) {
Object o = ((List) a).get(i);
if (o != null && ((String) o).equalsIgnoreCase((String) b))
return i;
}
return -1;
}
throw fail("Unknown type: " + a);
}
static Matcher matcher(String pattern, String string) {
return Pattern.compile(pattern).matcher(string);
}
/** possibly improvable */
public static String bashQuote(String text) {
if (text == null) return null;
return "\"" + text
.replace("\\", "\\\\")
.replace("\"", "\\\"")
.replace("\n", "\\n")
.replace("\r", "\\r") + "\"";
}
public static boolean isWindows() {
return System.getProperty("os.name").contains("Windows");
}
static Object process(String processorID, Object in) {
return process(processorID, in, "in");
}
static Object process(String processorID, Object in, String outVar) {
try {
Class processor = hotwire(processorID);
set(processor, "in", in);
call(processor, "main", new Object[] {new String[0]});
return get(processor, outVar);
} catch (Exception e) {
throw new RuntimeException("Error in #" + parseSnippetID(processorID), e);
}
}
static void print() {
System.out.println();
}
static void print(Object o) {
System.out.println(o);
}
static void print(long i) {
System.out.println(i);
}
/** writes safely (to temp file, then rename) */
public static void saveTextFile(String fileName, String contents) throws IOException {
File file = new File(fileName);
File parentFile = file.getParentFile();
if (parentFile != null)
parentFile.mkdirs();
String tempFileName = fileName + "_temp";
if (contents != null) {
FileOutputStream fileOutputStream = new FileOutputStream(tempFileName);
OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
PrintWriter printWriter = new PrintWriter(outputStreamWriter);
printWriter.print(contents);
printWriter.close();
}
if (file.exists() && !file.delete())
throw new IOException("Can't delete " + fileName);
if (contents != null)
if (!new File(tempFileName).renameTo(file))
throw new IOException("Can't rename " + tempFileName + " to " + fileName);
}
public static void saveTextFile(File fileName, String contents) {
try {
saveTextFile(fileName.getPath(), contents);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static String loadTextFile(String fileName) {
try {
return loadTextFile(fileName, null);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static String loadTextFile(String fileName, String defaultContents) throws IOException {
if (!new File(fileName).exists())
return defaultContents;
FileInputStream fileInputStream = new FileInputStream(fileName);
InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
return loadTextFile(inputStreamReader);
}
public static String loadTextFile(File fileName) {
try {
return loadTextFile(fileName, null);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static String loadTextFile(File fileName, String defaultContents) throws IOException {
try {
return loadTextFile(fileName.getPath(), defaultContents);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static String loadTextFile(Reader reader) throws IOException {
StringBuilder builder = new StringBuilder();
try {
char[] buffer = new char[1024];
int n;
while (-1 != (n = reader.read(buffer)))
builder.append(buffer, 0, n);
} finally {
reader.close();
}
return builder.toString();
}
static RuntimeException fail() {
throw new RuntimeException("fail");
}
static RuntimeException fail(String msg) {
throw new RuntimeException(msg);
}
static String structure(Object o) {
return structure(o, 0);
}
static String structure(Object o, int stringSizeLimit) {
if (o == null) return "null";
String name = o.getClass().getName();
StringBuilder buf = new StringBuilder();
if (o instanceof Collection) {
for (Object x : (Collection) o) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure(x, stringSizeLimit));
}
return "[" + buf + "]";
}
if (o instanceof Map) {
for (Object e : ((Map) o).entrySet()) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit));
buf.append("=");
buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit));
}
return "{" + buf + "}";
}
if (o.getClass().isArray()) {
int n = Array.getLength(o);
for (int i = 0; i < n; i++) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure(Array.get(o, i), stringSizeLimit));
}
return "{" + buf + "}";
}
if (o instanceof String)
return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o);
// Need more cases? This should cover all library classes...
if (name.startsWith("java.") || name.startsWith("javax."))
return String.valueOf(o);
String shortName = o.getClass().getName().replaceAll("^main\\$", "");
// TODO: go to superclasses too
Field[] fields = o.getClass().getDeclaredFields();
int numFields = 0;
String fieldName = "";
for (Field field : fields) {
if ((field.getModifiers() & Modifier.STATIC) != 0)
continue;
Object value;
try {
value = field.get(o);
} catch (Exception e) {
value = "?";
}
fieldName = field.getName();
// put special cases here...
if (value != null) {
if (buf.length() != 0) buf.append(", ");
buf.append(fieldName + "=" + structure(value, stringSizeLimit));
}
++numFields;
}
String b = buf.toString();
if (numFields == 1)
b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one
String s = shortName;
if (buf.length() != 0)
s += "(" + b + ")";
return s;
}
public static String quote(String s) {
if (s == null) return "null";
return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\"";
}
static Object call(Object o, String method, Object... args) {
try {
if (o instanceof Class) {
Method m = call_findStaticMethod((Class) o, method, args, false);
m.setAccessible(true);
return m.invoke(null, args);
} else {
Method m = call_findMethod(o, method, args, false);
m.setAccessible(true);
return m.invoke(o, args);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
Class _c = c;
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (!m.getName().equals(method)) {
if (debug) System.out.println("Method name mismatch: " + method);
continue;
}
if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug))
continue;
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName());
}
static Method call_findMethod(Object o, String method, Object[] args, boolean debug) {
Class c = o.getClass();
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (m.getName().equals(method) && call_checkArgs(m, args, debug))
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName());
}
private static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
Class[] types = m.getParameterTypes();
if (types.length != args.length) {
if (debug)
System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
return false;
}
for (int i = 0; i < types.length; i++)
if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
if (debug)
System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
return false;
}
return true;
}
// compile JavaX source, load classes & return main class
// src can be a snippet ID or actual source code
static Class hotwire(String src) {
try {
Class j = getJavaX();
List libraries = new ArrayList();
File srcDir = (File) call(j, "transpileMain", src, libraries);
if (srcDir == null)
fail("transpileMain returned null (src=" + quote(src) + ")");
Object androidContext = get(j, "androidContext");
if (androidContext != null)
return (Class) call(j, "loadx2android", srcDir, src);
File classesDir = (File) call(j, "TempDirMaker_make");
String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir);
System.out.println(javacOutput);
URL[] urls = new URL[libraries.size()+1];
urls[0] = classesDir.toURI().toURL();
for (int i = 0; i < libraries.size(); i++)
urls[i+1] = libraries.get(i).toURI().toURL();
// make class loader
URLClassLoader classLoader = new URLClassLoader(urls);
// load & return main class
Class theClass = classLoader.loadClass("main");
call(j, "setVars", theClass, isSnippetID(src) ? src: null);
return theClass;
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
}
}
static void set(Object o, String field, Object value) {
if (o instanceof Class) set((Class) o, field, value);
else try {
Field f = set_findField(o.getClass(), field);
f.setAccessible(true);
f.set(o, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static void set(Class c, String field, Object value) {
try {
Field f = set_findStaticField(c, field);
f.setAccessible(true);
f.set(null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field set_findField(Class c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field))
return f;
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static Field set_findStaticField(Class c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Object get(Object o, String field) {
if (o instanceof Class) return get((Class) o, field);
try {
Field f = get_findField(o.getClass(), field);
f.setAccessible(true);
return f.get(o);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Object get(Class c, String field) {
try {
Field f = get_findStaticField(c, field);
f.setAccessible(true);
return f.get(null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field get_findStaticField(Class c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field get_findField(Class c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field))
return f;
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static String shorten(String s, int max) {
return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}
public static long parseSnippetID(String snippetID) {
return Long.parseLong(shortenSnippetID(snippetID));
}
// extended over Class.isInstance() to handle primitive types
static boolean isInstanceX(Class type, Object arg) {
if (type == boolean.class) return arg instanceof Boolean;
if (type == int.class) return arg instanceof Integer;
if (type == long.class) return arg instanceof Long;
if (type == float.class) return arg instanceof Float;
if (type == short.class) return arg instanceof Short;
if (type == char.class) return arg instanceof Character;
if (type == byte.class) return arg instanceof Byte;
return type.isInstance(arg);
}
static Class __javax;
static Class getJavaX() {
return __javax;
}
public static boolean isSnippetID(String s) {
try {
parseSnippetID(s);
return true;
} catch (RuntimeException e) {
return false;
}
}
static String shortenSnippetID(String snippetID) {
if (snippetID.startsWith("#"))
snippetID = snippetID.substring(1);
String httpBlaBla = "http://tinybrain.de/";
if (snippetID.startsWith(httpBlaBla))
snippetID = snippetID.substring(httpBlaBla.length());
return snippetID;
}
}