java/CyrusSasl/ServerFactory.java

   1 package CyrusSasl;
   2
   3 import java.util.Hashtable;
   4 import javax.security.auth.callback.*;
   5
   6 class ServerFactory implements SaslServerFactory
   7 {
   8     private int localptr = 0;
   9
  10     /* JNI functions  */
  11     private native int jni_sasl_server_init(String appname);
  12     private native int jni_sasl_server_new(String service,
  13                                            String local_domain,
  14                                            int secflags);
  15
  16
  17     public ServerFactory()
  18     {
  19         /* these parameters aren't needed for getting mech list */
  20         localptr = jni_sasl_server_new("foo", "bar", 0);
  21     }
  22
  23     private boolean init(String appname)
  24     {
  25         /* load library */
  26         try {
  27             System.loadLibrary("javasasl");
  28         } catch (UnsatisfiedLinkError e) {
  29             /* xxx */
  30             System.out.println("Unable to load javasasl library");
  31         }
  32
  33         jni_sasl_server_init(appname);
  34
  35         return true;
  36     }
  37
  38     {
  39         init("javasasl application");
  40     }
  41
  42     public SaslServer createSaslServer(String mechanism,
  43                                        String protocol,
  44                                        String serverName,
  45                                        Hashtable props,
  46                                        javax.security.auth.callback.CallbackHandler cbh)
  47         throws SaslException
  48     {
  49         int cptr;
  50
  51         cptr = jni_sasl_server_new(protocol,
  52                                    serverName,
  53                                    0);
  54
  55         if (cptr == 0) {
  56             throw new SaslException("Unable to create new Client connection object",
  57                                     new Throwable());
  58         }
  59
  60         return new GenericServer(cptr,mechanism,props,cbh);
  61     }
  62
  63     private native String jni_sasl_server_getlist(int ptr, String prefix,
  64                                                   String sep, String suffix);
  65
  66     public String[] getMechanismNames()
  67     {
  68         if (localptr == 0)
  69             localptr = jni_sasl_server_new("foo",
  70                                            "bar",
  71                                            0);
  72
  73         String list = jni_sasl_server_getlist(localptr, "",
  74                                               "\n","\n");
  75
  76         /* count newlines */
  77         int newlines = 0;
  78         int pos =0;
  79
  80         while (pos < list.length()) {
  81             if (list.charAt(pos)=='\n')
  82                 newlines++;
  83             pos++;
  84         }
  85
  86         String[]ret = new String[newlines];
  87
  88         int num =0;
  89         pos =0;
  90         String temp="";
  91
  92         while (pos < list.length()) {
  93             if (list.charAt(pos)=='\n') {
  94                 ret[num++]=temp;
  95                 temp=new String("");
  96             } else {
  97                 temp+=list.charAt(pos);
  98             }
  99             pos++;
 100         }
 101
 102         return ret;
 103     }
 104
 105 }