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comparison src/luan/modules/IoLuan.java @ 1330:f41919741100

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fix security
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 11 Feb 2019 01:38:55 -0700
parents 15af473045c4
children 25746915a241
comparison
equal deleted inserted replaced
1329:5a39b006acd1 1330:f41919741100
26 import java.net.MalformedURLException; 26 import java.net.MalformedURLException;
27 import java.net.UnknownHostException; 27 import java.net.UnknownHostException;
28 import java.nio.file.Files; 28 import java.nio.file.Files;
29 import java.util.Enumeration; 29 import java.util.Enumeration;
30 import java.util.Map; 30 import java.util.Map;
31 import luan.Luan;
31 import luan.LuanState; 32 import luan.LuanState;
32 import luan.LuanTable; 33 import luan.LuanTable;
33 import luan.LuanFunction; 34 import luan.LuanFunction;
34 import luan.LuanException; 35 import luan.LuanException;
35 import luan.modules.url.LuanUrl; 36 import luan.modules.url.LuanUrl;
638 } catch(UnknownHostException e) { 639 } catch(UnknownHostException e) {
639 return null; 640 return null;
640 } 641 }
641 } 642 }
642 643
643 public static LuanTable my_ips(LuanState luan) throws IOException { 644 public static LuanTable my_ips(LuanState luan) throws IOException, LuanException {
644 LuanTable tbl = new LuanTable(luan); 645 LuanTable tbl = new LuanTable(luan);
645 for( Enumeration<NetworkInterface> e1 = NetworkInterface.getNetworkInterfaces(); e1.hasMoreElements(); ) { 646 for( Enumeration<NetworkInterface> e1 = NetworkInterface.getNetworkInterfaces(); e1.hasMoreElements(); ) {
646 NetworkInterface ni = e1.nextElement(); 647 NetworkInterface ni = e1.nextElement();
647 for( Enumeration<InetAddress> e2 = ni.getInetAddresses(); e2.hasMoreElements(); ) { 648 for( Enumeration<InetAddress> e2 = ni.getInetAddresses(); e2.hasMoreElements(); ) {
648 InetAddress ia = e2.nextElement(); 649 InetAddress ia = e2.nextElement();
649 if( ia instanceof Inet4Address ) 650 if( ia instanceof Inet4Address )
650 tbl.rawPut(ia.getHostAddress(),true); 651 tbl.put(ia.getHostAddress(),true);
651 } 652 }
652 } 653 }
653 return tbl; 654 return tbl;
654 } 655 }
655 656
656 657
657 // security
658
659 public static void unrestricted(LuanState luan) throws LuanException {
660 JavaLuan.check(luan);
661 luan.javaOk.unrestrictedIo = true;
662 }
663
664 public interface Security {
665 public void check(LuanState luan,String name) throws LuanException;
666 }
667
668 private static String SECURITY_KEY = "Io.Security";
669
670 private static void check(LuanState luan,String name) throws LuanException { 658 private static void check(LuanState luan,String name) throws LuanException {
671 if( luan.javaOk.unrestrictedIo ) 659 Luan.checkSecurity(luan,"uri",name);
672 return; 660 }
673 Security s = (Security)luan.registry().get(SECURITY_KEY); 661
674 if( s!=null )
675 s.check(luan,name);
676 }
677
678 public static void setSecurity(LuanState luan,Security s) {
679 luan.registry().put(SECURITY_KEY,s);
680 }
681 662
682 private void IoLuan() {} // never 663 private void IoLuan() {} // never
683 } 664 }