public class com.sun.jndi.dns.DnsClient
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.sun.jndi.dns.DnsClient
  super_class: java.lang.Object
{
  private static final int IDENT_OFFSET;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  private static final int FLAGS_OFFSET;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  private static final int NUMQ_OFFSET;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  private static final int NUMANS_OFFSET;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 6

  private static final int NUMAUTH_OFFSET;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 8

  private static final int NUMADD_OFFSET;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 10

  private static final int DNS_HDR_SIZE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 12

  private static final int NO_ERROR;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  private static final int FORMAT_ERROR;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  private static final int SERVER_FAILURE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  private static final int NAME_ERROR;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 3

  private static final int NOT_IMPL;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  private static final int REFUSED;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 5

  private static final java.lang.String[] rcodeDescription;
    descriptor: [Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int DEFAULT_PORT;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 53

  private static final int TRANSACTION_ID_BOUND;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 65536

  private static final java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private java.net.InetAddress[] servers;
    descriptor: [Ljava/net/InetAddress;
    flags: (0x0002) ACC_PRIVATE

  private int[] serverPorts;
    descriptor: [I
    flags: (0x0002) ACC_PRIVATE

  private int timeout;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private int retries;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private final java.lang.Object udpSocketLock;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private static final com.sun.jndi.dns.DNSDatagramSocketFactory factory;
    descriptor: Lcom/sun/jndi/dns/DNSDatagramSocketFactory;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private java.util.Map<java.lang.Integer, com.sun.jndi.dns.ResourceRecord> reqs;
    descriptor: Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Map<Ljava/lang/Integer;Lcom/sun/jndi/dns/ResourceRecord;>;

  private java.util.Map<java.lang.Integer, byte[]> resps;
    descriptor: Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Map<Ljava/lang/Integer;[B>;

  private java.lang.Object queuesLock;
    descriptor: Ljava/lang/Object;
    flags: (0x0002) ACC_PRIVATE

  private static final boolean debug;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 71
            bipush 6
            anewarray java.lang.String
            dup
            iconst_0
         1: .line 72
            ldc "No error"
            aastore
            dup
            iconst_1
         2: .line 73
            ldc "DNS format error"
            aastore
            dup
            iconst_2
         3: .line 74
            ldc "DNS server failure"
            aastore
            dup
            iconst_3
         4: .line 75
            ldc "DNS name not found"
            aastore
            dup
            iconst_4
         5: .line 76
            ldc "DNS operation not supported"
            aastore
            dup
            iconst_5
         6: .line 77
            ldc "DNS service refused"
            aastore
         7: .line 71
            putstatic com.sun.jndi.dns.DnsClient.rcodeDescription:[Ljava/lang/String;
         8: .line 82
            invokestatic sun.security.jca.JCAUtil.getSecureRandom:()Ljava/security/SecureRandom;
            putstatic com.sun.jndi.dns.DnsClient.random:Ljava/security/SecureRandom;
         9: .line 90
            new com.sun.jndi.dns.DNSDatagramSocketFactory
            dup
            getstatic com.sun.jndi.dns.DnsClient.random:Ljava/security/SecureRandom;
            invokespecial com.sun.jndi.dns.DNSDatagramSocketFactory.<init>:(Ljava/util/Random;)V
        10: .line 89
            putstatic com.sun.jndi.dns.DnsClient.factory:Lcom/sun/jndi/dns/DNSDatagramSocketFactory;
        11: .line 673
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.lang.String[], int, int);
    descriptor: ([Ljava/lang/String;II)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=9, args_size=4
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // java.lang.String[] servers
        start local 2 // int timeout
        start local 3 // int retries
         0: .line 106
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 88
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield com.sun.jndi.dns.DnsClient.udpSocketLock:Ljava/lang/Object;
         2: .line 155
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield com.sun.jndi.dns.DnsClient.queuesLock:Ljava/lang/Object;
         3: .line 108
            aload 0 /* this */
            iload 2 /* timeout */
            putfield com.sun.jndi.dns.DnsClient.timeout:I
         4: .line 109
            aload 0 /* this */
            iload 3 /* retries */
            putfield com.sun.jndi.dns.DnsClient.retries:I
         5: .line 110
            aload 0 /* this */
            aload 1 /* servers */
            arraylength
            anewarray java.net.InetAddress
            putfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
         6: .line 111
            aload 0 /* this */
            aload 1 /* servers */
            arraylength
            newarray 10
            putfield com.sun.jndi.dns.DnsClient.serverPorts:[I
         7: .line 113
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         8: goto 29
         9: .line 116
      StackMap locals: com.sun.jndi.dns.DnsClient java.lang.String[] int int int
      StackMap stack:
            aload 1 /* servers */
            iload 4 /* i */
            aaload
            bipush 58
        10: .line 117
            aload 1 /* servers */
            iload 4 /* i */
            aaload
            bipush 93
            invokevirtual java.lang.String.indexOf:(I)I
            iconst_1
            iadd
        11: .line 116
            invokevirtual java.lang.String.indexOf:(II)I
            istore 5 /* colon */
        start local 5 // int colon
        12: .line 119
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.serverPorts:[I
            iload 4 /* i */
            iload 5 /* colon */
            ifge 14
        13: .line 120
            bipush 53
            goto 15
        14: .line 121
      StackMap locals: com.sun.jndi.dns.DnsClient java.lang.String[] int int int int
      StackMap stack: int[] int
            aload 1 /* servers */
            iload 4 /* i */
            aaload
            iload 5 /* colon */
            iconst_1
            iadd
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
        15: .line 119
      StackMap locals: com.sun.jndi.dns.DnsClient java.lang.String[] int int int int
      StackMap stack: int[] int int
            iastore
        16: .line 122
            iload 5 /* colon */
            ifge 18
        17: .line 123
            aload 1 /* servers */
            iload 4 /* i */
            aaload
            goto 19
        18: .line 124
      StackMap locals:
      StackMap stack:
            aload 1 /* servers */
            iload 4 /* i */
            aaload
            iconst_0
            iload 5 /* colon */
            invokevirtual java.lang.String.substring:(II)Ljava/lang/String;
        19: .line 122
      StackMap locals:
      StackMap stack: java.lang.String
            astore 6 /* server */
        start local 6 // java.lang.String server
        20: .line 126
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            iload 4 /* i */
            aload 6 /* server */
            invokestatic java.net.InetAddress.getByName:(Ljava/lang/String;)Ljava/net/InetAddress;
            aastore
        21: .line 127
            goto 28
      StackMap locals: com.sun.jndi.dns.DnsClient java.lang.String[] int int int int java.lang.String
      StackMap stack: java.net.UnknownHostException
        22: astore 7 /* e */
        start local 7 // java.net.UnknownHostException e
        23: .line 128
            new javax.naming.ConfigurationException
            dup
        24: .line 129
            new java.lang.StringBuilder
            dup
            ldc "Unknown DNS server: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 6 /* server */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        25: .line 128
            invokespecial javax.naming.ConfigurationException.<init>:(Ljava/lang/String;)V
            astore 8 /* ne */
        start local 8 // javax.naming.NamingException ne
        26: .line 130
            aload 8 /* ne */
            aload 7 /* e */
            invokevirtual javax.naming.NamingException.setRootCause:(Ljava/lang/Throwable;)V
        27: .line 131
            aload 8 /* ne */
            athrow
        end local 8 // javax.naming.NamingException ne
        end local 7 // java.net.UnknownHostException e
        end local 6 // java.lang.String server
        end local 5 // int colon
        28: .line 113
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        29: iload 4 /* i */
            aload 1 /* servers */
            arraylength
            if_icmplt 9
        end local 4 // int i
        30: .line 134
            aload 0 /* this */
        31: .line 135
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
        32: .line 134
            invokestatic java.util.Collections.synchronizedMap:(Ljava/util/Map;)Ljava/util/Map;
            putfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
        33: .line 136
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            invokestatic java.util.Collections.synchronizedMap:(Ljava/util/Map;)Ljava/util/Map;
            putfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
        34: .line 137
            return
        end local 3 // int retries
        end local 2 // int timeout
        end local 1 // java.lang.String[] servers
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   35     0     this  Lcom/sun/jndi/dns/DnsClient;
            0   35     1  servers  [Ljava/lang/String;
            0   35     2  timeout  I
            0   35     3  retries  I
            8   30     4        i  I
           12   28     5    colon  I
           20   28     6   server  Ljava/lang/String;
           23   28     7        e  Ljava/net/UnknownHostException;
           26   28     8       ne  Ljavax/naming/NamingException;
      Exception table:
        from    to  target  type
          20    21      22  Class java.net.UnknownHostException
    Exceptions:
      throws javax.naming.NamingException
    MethodParameters:
         Name  Flags
      servers  
      timeout  
      retries  

  java.net.DatagramSocket getDatagramSocket();
    descriptor: ()Ljava/net/DatagramSocket;
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // com.sun.jndi.dns.DnsClient this
         0: .line 141
            getstatic com.sun.jndi.dns.DnsClient.factory:Lcom/sun/jndi/dns/DNSDatagramSocketFactory;
            invokevirtual com.sun.jndi.dns.DNSDatagramSocketFactory.open:()Ljava/net/DatagramSocket;
         1: areturn
         2: .line 142
      StackMap locals:
      StackMap stack: java.net.SocketException
            astore 1 /* e */
        start local 1 // java.net.SocketException e
         3: .line 143
            new javax.naming.ConfigurationException
            dup
            invokespecial javax.naming.ConfigurationException.<init>:()V
            astore 2 /* ne */
        start local 2 // javax.naming.NamingException ne
         4: .line 144
            aload 2 /* ne */
            aload 1 /* e */
            invokevirtual javax.naming.NamingException.setRootCause:(Ljava/lang/Throwable;)V
         5: .line 145
            aload 2 /* ne */
            athrow
        end local 2 // javax.naming.NamingException ne
        end local 1 // java.net.SocketException e
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lcom/sun/jndi/dns/DnsClient;
            3    6     1     e  Ljava/net/SocketException;
            4    6     2    ne  Ljavax/naming/NamingException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.net.SocketException
    Exceptions:
      throws javax.naming.NamingException

  protected void finalize();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.sun.jndi.dns.DnsClient this
         0: .line 151
            aload 0 /* this */
            invokevirtual com.sun.jndi.dns.DnsClient.close:()V
         1: .line 152
            return
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/sun/jndi/dns/DnsClient;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.sun.jndi.dns.DnsClient this
         0: .line 158
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.queuesLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 159
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            invokeinterface java.util.Map.clear:()V
         2: .line 160
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
            invokeinterface java.util.Map.clear:()V
         3: .line 158
            aload 1
            monitorexit
         4: goto 7
      StackMap locals: com.sun.jndi.dns.DnsClient java.lang.Object
      StackMap stack: java.lang.Throwable
         5: aload 1
            monitorexit
         6: athrow
         7: .line 162
      StackMap locals:
      StackMap stack:
            return
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lcom/sun/jndi/dns/DnsClient;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any

  com.sun.jndi.dns.ResourceRecords query(com.sun.jndi.dns.DnsName, int, int, boolean, boolean);
    descriptor: (Lcom/sun/jndi/dns/DnsName;IIZZ)Lcom/sun/jndi/dns/ResourceRecords;
    flags: (0x0000) 
    Code:
      stack=9, locals=22, args_size=6
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.DnsName fqdn
        start local 2 // int qclass
        start local 3 // int qtype
        start local 4 // boolean recursion
        start local 5 // boolean auth
         0: .line 179
      StackMap locals:
      StackMap stack:
            getstatic com.sun.jndi.dns.DnsClient.random:Ljava/security/SecureRandom;
            ldc 65536
            invokevirtual java.security.SecureRandom.nextInt:(I)I
            istore 6 /* xid */
        start local 6 // int xid
         1: .line 180
            aload 0 /* this */
            aload 1 /* fqdn */
            iload 6 /* xid */
            iload 2 /* qclass */
            iload 3 /* qtype */
            iload 4 /* recursion */
            invokevirtual com.sun.jndi.dns.DnsClient.makeQueryPacket:(Lcom/sun/jndi/dns/DnsName;IIIZ)Lcom/sun/jndi/dns/Packet;
            astore 7 /* pkt */
        start local 7 // com.sun.jndi.dns.Packet pkt
         2: .line 183
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 6 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            new com.sun.jndi.dns.ResourceRecord
            dup
            aload 7 /* pkt */
            invokevirtual com.sun.jndi.dns.Packet.getData:()[B
         3: .line 184
            aload 7 /* pkt */
            invokevirtual com.sun.jndi.dns.Packet.length:()I
            bipush 12
            iconst_1
            iconst_0
            invokespecial com.sun.jndi.dns.ResourceRecord.<init>:([BIIZZ)V
         4: .line 183
            invokeinterface java.util.Map.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.sun.jndi.dns.ResourceRecord
            astore 8 /* collision */
        start local 8 // com.sun.jndi.dns.ResourceRecord collision
         5: .line 186
            aload 8 /* collision */
            ifnonnull 0
         6: .line 188
            aconst_null
            astore 9 /* caughtException */
        start local 9 // java.lang.Exception caughtException
         7: .line 189
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            arraylength
            newarray 4
            astore 10 /* doNotRetry */
        start local 10 // boolean[] doNotRetry
         8: .line 197
            iconst_0
            istore 11 /* retry */
        start local 11 // int retry
         9: goto 84
        10: .line 200
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int int int com.sun.jndi.dns.Packet com.sun.jndi.dns.ResourceRecord java.lang.Exception boolean[] int
      StackMap stack:
            iconst_0
            istore 12 /* i */
        start local 12 // int i
        11: goto 82
        12: .line 201
      StackMap locals: int
      StackMap stack:
            aload 10 /* doNotRetry */
            iload 12 /* i */
            baload
            ifeq 14
        13: .line 202
            goto 81
        14: .line 211
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 13 /* msg */
        start local 13 // byte[] msg
        15: .line 212
            aload 0 /* this */
            aload 7 /* pkt */
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            iload 12 /* i */
            aaload
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.serverPorts:[I
            iload 12 /* i */
            iaload
        16: .line 213
            iload 11 /* retry */
            iload 6 /* xid */
        17: .line 212
            invokevirtual com.sun.jndi.dns.DnsClient.doUdpQuery:(Lcom/sun/jndi/dns/Packet;Ljava/net/InetAddress;III)[B
            astore 13 /* msg */
        18: .line 220
            aload 13 /* msg */
            ifnonnull 23
        19: .line 221
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            ifle 21
        20: .line 222
            aload 0 /* this */
            iload 6 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokevirtual com.sun.jndi.dns.DnsClient.lookupResponse:(Ljava/lang/Integer;)[B
            astore 13 /* msg */
        21: .line 224
      StackMap locals: byte[]
      StackMap stack:
            aload 13 /* msg */
            ifnonnull 23
        22: .line 225
            goto 81
        23: .line 228
      StackMap locals:
      StackMap stack:
            new com.sun.jndi.dns.Header
            dup
            aload 13 /* msg */
            aload 13 /* msg */
            arraylength
            invokespecial com.sun.jndi.dns.Header.<init>:([BI)V
            astore 14 /* hdr */
        start local 14 // com.sun.jndi.dns.Header hdr
        24: .line 230
            iload 5 /* auth */
            ifeq 30
            aload 14 /* hdr */
            getfield com.sun.jndi.dns.Header.authoritative:Z
            ifne 30
        25: .line 231
            new javax.naming.NameNotFoundException
            dup
        26: .line 232
            ldc "DNS response not authoritative"
        27: .line 231
            invokespecial javax.naming.NameNotFoundException.<init>:(Ljava/lang/String;)V
            astore 9 /* caughtException */
        28: .line 233
            aload 10 /* doNotRetry */
            iload 12 /* i */
            iconst_1
            bastore
        29: .line 234
            goto 81
        30: .line 236
      StackMap locals: com.sun.jndi.dns.Header
      StackMap stack:
            aload 14 /* hdr */
            getfield com.sun.jndi.dns.Header.truncated:Z
            ifeq 59
        31: .line 240
            iconst_0
            istore 15 /* j */
        start local 15 // int j
        32: goto 58
        33: .line 241
      StackMap locals: int
      StackMap stack:
            iload 12 /* i */
            iload 15 /* j */
            iadd
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            arraylength
            irem
            istore 16 /* ij */
        start local 16 // int ij
        34: .line 242
            aload 10 /* doNotRetry */
            iload 16 /* ij */
            baload
            ifeq 36
        35: .line 243
            goto 57
        36: .line 247
      StackMap locals: int
      StackMap stack:
            new com.sun.jndi.dns.Tcp
            dup
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            iload 16 /* ij */
            aaload
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.serverPorts:[I
            iload 16 /* ij */
            iaload
            invokespecial com.sun.jndi.dns.Tcp.<init>:(Ljava/net/InetAddress;I)V
        37: .line 246
            astore 17 /* tcp */
        start local 17 // com.sun.jndi.dns.Tcp tcp
        38: .line 250
            aload 0 /* this */
            aload 17 /* tcp */
            aload 7 /* pkt */
            invokevirtual com.sun.jndi.dns.DnsClient.doTcpQuery:(Lcom/sun/jndi/dns/Tcp;Lcom/sun/jndi/dns/Packet;)[B
            astore 18 /* msg2 */
        start local 18 // byte[] msg2
        39: .line 251
            goto 43
        end local 18 // byte[] msg2
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int int int com.sun.jndi.dns.Packet com.sun.jndi.dns.ResourceRecord java.lang.Exception boolean[] int int byte[] com.sun.jndi.dns.Header int int com.sun.jndi.dns.Tcp
      StackMap stack: java.lang.Throwable
        40: astore 19
        41: .line 252
            aload 17 /* tcp */
            invokevirtual com.sun.jndi.dns.Tcp.close:()V
        42: .line 253
            aload 19
            athrow
        start local 18 // byte[] msg2
        43: .line 252
      StackMap locals: byte[]
      StackMap stack:
            aload 17 /* tcp */
            invokevirtual com.sun.jndi.dns.Tcp.close:()V
        44: .line 254
            new com.sun.jndi.dns.Header
            dup
            aload 18 /* msg2 */
            aload 18 /* msg2 */
            arraylength
            invokespecial com.sun.jndi.dns.Header.<init>:([BI)V
            astore 19 /* hdr2 */
        start local 19 // com.sun.jndi.dns.Header hdr2
        45: .line 255
            aload 19 /* hdr2 */
            getfield com.sun.jndi.dns.Header.query:Z
            ifeq 49
        46: .line 256
            new javax.naming.CommunicationException
            dup
        47: .line 257
            ldc "DNS error: expecting response"
        48: .line 256
            invokespecial javax.naming.CommunicationException.<init>:(Ljava/lang/String;)V
            athrow
        49: .line 259
      StackMap locals: com.sun.jndi.dns.Header
      StackMap stack:
            aload 0 /* this */
            aload 19 /* hdr2 */
            invokevirtual com.sun.jndi.dns.DnsClient.checkResponseCode:(Lcom/sun/jndi/dns/Header;)V
        50: .line 261
            iload 5 /* auth */
            ifeq 51
            aload 19 /* hdr2 */
            getfield com.sun.jndi.dns.Header.authoritative:Z
            ifeq 54
        51: .line 263
      StackMap locals:
      StackMap stack:
            aload 19 /* hdr2 */
            astore 14 /* hdr */
        52: .line 264
            aload 18 /* msg2 */
            astore 13 /* msg */
        53: .line 265
            goto 59
        54: .line 267
      StackMap locals:
      StackMap stack:
            aload 10 /* doNotRetry */
            iload 16 /* ij */
            iconst_1
            bastore
        end local 19 // com.sun.jndi.dns.Header hdr2
        end local 18 // byte[] msg2
        end local 17 // com.sun.jndi.dns.Tcp tcp
        55: .line 269
            goto 57
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int int int com.sun.jndi.dns.Packet com.sun.jndi.dns.ResourceRecord java.lang.Exception boolean[] int int byte[] com.sun.jndi.dns.Header int int
      StackMap stack: java.lang.Exception
        56: pop
        end local 16 // int ij
        57: .line 240
      StackMap locals:
      StackMap stack:
            iinc 15 /* j */ 1
      StackMap locals:
      StackMap stack:
        58: iload 15 /* j */
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            arraylength
            if_icmplt 33
        end local 15 // int j
        59: .line 274
      StackMap locals:
      StackMap stack:
            new com.sun.jndi.dns.ResourceRecords
            dup
            aload 13 /* msg */
            aload 13 /* msg */
            arraylength
            aload 14 /* hdr */
            iconst_0
            invokespecial com.sun.jndi.dns.ResourceRecords.<init>:([BILcom/sun/jndi/dns/Header;Z)V
            astore 21
        60: .line 306
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 6 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        61: .line 274
            aload 21
            areturn
        end local 14 // com.sun.jndi.dns.Header hdr
        end local 13 // byte[] msg
        62: .line 276
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int int int com.sun.jndi.dns.Packet com.sun.jndi.dns.ResourceRecord java.lang.Exception boolean[] int int
      StackMap stack: java.io.IOException
            astore 13 /* e */
        start local 13 // java.io.IOException e
        63: .line 280
            aload 9 /* caughtException */
            ifnonnull 65
        64: .line 281
            aload 13 /* e */
            astore 9 /* caughtException */
        65: .line 285
      StackMap locals: java.io.IOException
      StackMap stack:
            aload 13 /* e */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
        66: .line 286
            ldc "java.net.PortUnreachableException"
        67: .line 285
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
        68: .line 286
            ifeq 81
        69: .line 287
            aload 10 /* doNotRetry */
            iload 12 /* i */
            iconst_1
            bastore
        end local 13 // java.io.IOException e
        70: goto 81
        71: .line 289
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int int int com.sun.jndi.dns.Packet com.sun.jndi.dns.ResourceRecord java.lang.Exception boolean[] int int
      StackMap stack: javax.naming.NameNotFoundException
            astore 13 /* e */
        start local 13 // javax.naming.NameNotFoundException e
        72: .line 291
            aload 13 /* e */
            athrow
        end local 13 // javax.naming.NameNotFoundException e
        73: .line 292
      StackMap locals:
      StackMap stack: javax.naming.CommunicationException
            astore 13 /* e */
        start local 13 // javax.naming.CommunicationException e
        74: .line 293
            aload 9 /* caughtException */
            ifnonnull 81
        75: .line 294
            aload 13 /* e */
            astore 9 /* caughtException */
        end local 13 // javax.naming.CommunicationException e
        76: goto 81
        77: .line 296
      StackMap locals:
      StackMap stack: javax.naming.NamingException
            astore 13 /* e */
        start local 13 // javax.naming.NamingException e
        78: .line 297
            aload 9 /* caughtException */
            ifnonnull 80
        79: .line 298
            aload 13 /* e */
            astore 9 /* caughtException */
        80: .line 300
      StackMap locals: javax.naming.NamingException
      StackMap stack:
            aload 10 /* doNotRetry */
            iload 12 /* i */
            iconst_1
            bastore
        end local 13 // javax.naming.NamingException e
        81: .line 200
      StackMap locals:
      StackMap stack:
            iinc 12 /* i */ 1
      StackMap locals:
      StackMap stack:
        82: iload 12 /* i */
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            arraylength
            if_icmplt 12
        end local 12 // int i
        83: .line 197
            iinc 11 /* retry */ 1
      StackMap locals:
      StackMap stack:
        84: iload 11 /* retry */
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.retries:I
            if_icmplt 10
        end local 11 // int retry
        85: .line 305
            goto 89
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int int int com.sun.jndi.dns.Packet com.sun.jndi.dns.ResourceRecord java.lang.Exception boolean[]
      StackMap stack: java.lang.Throwable
        86: astore 20
        87: .line 306
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 6 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        88: .line 307
            aload 20
            athrow
        89: .line 306
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 6 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        90: .line 309
            aload 9 /* caughtException */
            instanceof javax.naming.NamingException
            ifeq 92
        91: .line 310
            aload 9 /* caughtException */
            checkcast javax.naming.NamingException
            athrow
        92: .line 313
      StackMap locals:
      StackMap stack:
            new javax.naming.CommunicationException
            dup
            ldc "DNS error"
            invokespecial javax.naming.CommunicationException.<init>:(Ljava/lang/String;)V
            astore 11 /* ne */
        start local 11 // javax.naming.NamingException ne
        93: .line 314
            aload 11 /* ne */
            aload 9 /* caughtException */
            invokevirtual javax.naming.NamingException.setRootCause:(Ljava/lang/Throwable;)V
        94: .line 315
            aload 11 /* ne */
            athrow
        end local 11 // javax.naming.NamingException ne
        end local 10 // boolean[] doNotRetry
        end local 9 // java.lang.Exception caughtException
        end local 8 // com.sun.jndi.dns.ResourceRecord collision
        end local 7 // com.sun.jndi.dns.Packet pkt
        end local 6 // int xid
        end local 5 // boolean auth
        end local 4 // boolean recursion
        end local 3 // int qtype
        end local 2 // int qclass
        end local 1 // com.sun.jndi.dns.DnsName fqdn
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   95     0             this  Lcom/sun/jndi/dns/DnsClient;
            0   95     1             fqdn  Lcom/sun/jndi/dns/DnsName;
            0   95     2           qclass  I
            0   95     3            qtype  I
            0   95     4        recursion  Z
            0   95     5             auth  Z
            1   95     6              xid  I
            2   95     7              pkt  Lcom/sun/jndi/dns/Packet;
            5   95     8        collision  Lcom/sun/jndi/dns/ResourceRecord;
            7   95     9  caughtException  Ljava/lang/Exception;
            8   95    10       doNotRetry  [Z
            9   85    11            retry  I
           11   83    12                i  I
           15   62    13              msg  [B
           24   62    14              hdr  Lcom/sun/jndi/dns/Header;
           32   59    15                j  I
           34   57    16               ij  I
           38   55    17              tcp  Lcom/sun/jndi/dns/Tcp;
           39   40    18             msg2  [B
           43   55    18             msg2  [B
           45   55    19             hdr2  Lcom/sun/jndi/dns/Header;
           63   70    13                e  Ljava/io/IOException;
           72   73    13                e  Ljavax/naming/NameNotFoundException;
           74   76    13                e  Ljavax/naming/CommunicationException;
           78   81    13                e  Ljavax/naming/NamingException;
           93   95    11               ne  Ljavax/naming/NamingException;
      Exception table:
        from    to  target  type
          38    40      40  any
          36    53      56  Class java.lang.Exception
          54    55      56  Class java.lang.Exception
          14    22      62  Class java.io.IOException
          23    29      62  Class java.io.IOException
          30    60      62  Class java.io.IOException
          14    22      71  Class javax.naming.NameNotFoundException
          23    29      71  Class javax.naming.NameNotFoundException
          30    60      71  Class javax.naming.NameNotFoundException
          14    22      73  Class javax.naming.CommunicationException
          23    29      73  Class javax.naming.CommunicationException
          30    60      73  Class javax.naming.CommunicationException
          14    22      77  Class javax.naming.NamingException
          23    29      77  Class javax.naming.NamingException
          30    60      77  Class javax.naming.NamingException
           8    60      86  any
          62    86      86  any
    Exceptions:
      throws javax.naming.NamingException
    MethodParameters:
           Name  Flags
      fqdn       
      qclass     
      qtype      
      recursion  
      auth       

  com.sun.jndi.dns.ResourceRecords queryZone(com.sun.jndi.dns.DnsName, int, boolean);
    descriptor: (Lcom/sun/jndi/dns/DnsName;IZ)Lcom/sun/jndi/dns/ResourceRecords;
    flags: (0x0000) 
    Code:
      stack=6, locals=14, args_size=4
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.DnsName zone
        start local 2 // int qclass
        start local 3 // boolean recursion
         0: .line 321
            getstatic com.sun.jndi.dns.DnsClient.random:Ljava/security/SecureRandom;
            ldc 65536
            invokevirtual java.security.SecureRandom.nextInt:(I)I
            istore 4 /* xid */
        start local 4 // int xid
         1: .line 323
            aload 0 /* this */
            aload 1 /* zone */
            iload 4 /* xid */
            iload 2 /* qclass */
         2: .line 324
            sipush 252
            iload 3 /* recursion */
         3: .line 323
            invokevirtual com.sun.jndi.dns.DnsClient.makeQueryPacket:(Lcom/sun/jndi/dns/DnsName;IIIZ)Lcom/sun/jndi/dns/Packet;
            astore 5 /* pkt */
        start local 5 // com.sun.jndi.dns.Packet pkt
         4: .line 325
            aconst_null
            astore 6 /* caughtException */
        start local 6 // java.lang.Exception caughtException
         5: .line 328
            iconst_0
            istore 7 /* i */
        start local 7 // int i
         6: goto 45
         7: .line 330
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int com.sun.jndi.dns.Packet java.lang.Exception int
      StackMap stack:
            new com.sun.jndi.dns.Tcp
            dup
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            iload 7 /* i */
            aaload
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.serverPorts:[I
            iload 7 /* i */
            iaload
            invokespecial com.sun.jndi.dns.Tcp.<init>:(Ljava/net/InetAddress;I)V
            astore 8 /* tcp */
        start local 8 // com.sun.jndi.dns.Tcp tcp
         8: .line 333
            aload 0 /* this */
            aload 8 /* tcp */
            aload 5 /* pkt */
            invokevirtual com.sun.jndi.dns.DnsClient.doTcpQuery:(Lcom/sun/jndi/dns/Tcp;Lcom/sun/jndi/dns/Packet;)[B
            astore 9 /* msg */
        start local 9 // byte[] msg
         9: .line 334
            new com.sun.jndi.dns.Header
            dup
            aload 9 /* msg */
            aload 9 /* msg */
            arraylength
            invokespecial com.sun.jndi.dns.Header.<init>:([BI)V
            astore 10 /* hdr */
        start local 10 // com.sun.jndi.dns.Header hdr
        10: .line 337
            aload 0 /* this */
            aload 10 /* hdr */
            invokevirtual com.sun.jndi.dns.DnsClient.checkResponseCode:(Lcom/sun/jndi/dns/Header;)V
        11: .line 339
            new com.sun.jndi.dns.ResourceRecords
            dup
            aload 9 /* msg */
            aload 9 /* msg */
            arraylength
            aload 10 /* hdr */
            iconst_1
            invokespecial com.sun.jndi.dns.ResourceRecords.<init>:([BILcom/sun/jndi/dns/Header;Z)V
        12: .line 338
            astore 11 /* rrs */
        start local 11 // com.sun.jndi.dns.ResourceRecords rrs
        13: .line 340
            aload 11 /* rrs */
            invokevirtual com.sun.jndi.dns.ResourceRecords.getFirstAnsType:()I
            bipush 6
            if_icmpeq 17
        14: .line 341
            new javax.naming.CommunicationException
            dup
        15: .line 342
            ldc "DNS error: zone xfer doesn't begin with SOA"
        16: .line 341
            invokespecial javax.naming.CommunicationException.<init>:(Ljava/lang/String;)V
            athrow
        17: .line 345
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int com.sun.jndi.dns.Packet java.lang.Exception int com.sun.jndi.dns.Tcp byte[] com.sun.jndi.dns.Header com.sun.jndi.dns.ResourceRecords
      StackMap stack:
            aload 11 /* rrs */
            getfield com.sun.jndi.dns.ResourceRecords.answer:Ljava/util/Vector;
            invokevirtual java.util.Vector.size:()I
            iconst_1
            if_icmpeq 19
        18: .line 346
            aload 11 /* rrs */
            invokevirtual com.sun.jndi.dns.ResourceRecords.getLastAnsType:()I
            bipush 6
            if_icmpeq 30
        19: .line 349
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 8 /* tcp */
            invokevirtual com.sun.jndi.dns.DnsClient.continueTcpQuery:(Lcom/sun/jndi/dns/Tcp;)[B
            astore 9 /* msg */
        20: .line 350
            aload 9 /* msg */
            ifnonnull 24
        21: .line 351
            new javax.naming.CommunicationException
            dup
        22: .line 352
            ldc "DNS error: incomplete zone transfer"
        23: .line 351
            invokespecial javax.naming.CommunicationException.<init>:(Ljava/lang/String;)V
            athrow
        24: .line 354
      StackMap locals:
      StackMap stack:
            new com.sun.jndi.dns.Header
            dup
            aload 9 /* msg */
            aload 9 /* msg */
            arraylength
            invokespecial com.sun.jndi.dns.Header.<init>:([BI)V
            astore 10 /* hdr */
        25: .line 355
            aload 0 /* this */
            aload 10 /* hdr */
            invokevirtual com.sun.jndi.dns.DnsClient.checkResponseCode:(Lcom/sun/jndi/dns/Header;)V
        26: .line 356
            aload 11 /* rrs */
            aload 9 /* msg */
            aload 9 /* msg */
            arraylength
            aload 10 /* hdr */
            invokevirtual com.sun.jndi.dns.ResourceRecords.add:([BILcom/sun/jndi/dns/Header;)V
        27: .line 357
            aload 11 /* rrs */
            invokevirtual com.sun.jndi.dns.ResourceRecords.getLastAnsType:()I
        28: .line 358
            bipush 6
        29: .line 357
            if_icmpne 19
        30: .line 362
      StackMap locals:
      StackMap stack:
            aload 11 /* rrs */
            getfield com.sun.jndi.dns.ResourceRecords.answer:Ljava/util/Vector;
            aload 11 /* rrs */
            getfield com.sun.jndi.dns.ResourceRecords.answer:Ljava/util/Vector;
            invokevirtual java.util.Vector.size:()I
            iconst_1
            isub
            invokevirtual java.util.Vector.removeElementAt:(I)V
        31: .line 363
            aload 11 /* rrs */
            astore 13
        32: .line 366
            aload 8 /* tcp */
            invokevirtual com.sun.jndi.dns.Tcp.close:()V
        33: .line 363
            aload 13
            areturn
        end local 11 // com.sun.jndi.dns.ResourceRecords rrs
        end local 10 // com.sun.jndi.dns.Header hdr
        end local 9 // byte[] msg
        34: .line 365
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int com.sun.jndi.dns.Packet java.lang.Exception int com.sun.jndi.dns.Tcp
      StackMap stack: java.lang.Throwable
            astore 12
        35: .line 366
            aload 8 /* tcp */
            invokevirtual com.sun.jndi.dns.Tcp.close:()V
        36: .line 367
            aload 12
            athrow
        end local 8 // com.sun.jndi.dns.Tcp tcp
        37: .line 369
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.DnsName int int int com.sun.jndi.dns.Packet java.lang.Exception int
      StackMap stack: java.io.IOException
            astore 8 /* e */
        start local 8 // java.io.IOException e
        38: .line 370
            aload 8 /* e */
            astore 6 /* caughtException */
        end local 8 // java.io.IOException e
        39: goto 44
        40: .line 371
      StackMap locals:
      StackMap stack: javax.naming.NameNotFoundException
            astore 8 /* e */
        start local 8 // javax.naming.NameNotFoundException e
        41: .line 372
            aload 8 /* e */
            athrow
        end local 8 // javax.naming.NameNotFoundException e
        42: .line 373
      StackMap locals:
      StackMap stack: javax.naming.NamingException
            astore 8 /* e */
        start local 8 // javax.naming.NamingException e
        43: .line 374
            aload 8 /* e */
            astore 6 /* caughtException */
        end local 8 // javax.naming.NamingException e
        44: .line 328
      StackMap locals:
      StackMap stack:
            iinc 7 /* i */ 1
      StackMap locals:
      StackMap stack:
        45: iload 7 /* i */
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.servers:[Ljava/net/InetAddress;
            arraylength
            if_icmplt 7
        end local 7 // int i
        46: .line 377
            aload 6 /* caughtException */
            instanceof javax.naming.NamingException
            ifeq 48
        47: .line 378
            aload 6 /* caughtException */
            checkcast javax.naming.NamingException
            athrow
        48: .line 380
      StackMap locals:
      StackMap stack:
            new javax.naming.CommunicationException
            dup
        49: .line 381
            ldc "DNS error during zone transfer"
        50: .line 380
            invokespecial javax.naming.CommunicationException.<init>:(Ljava/lang/String;)V
            astore 7 /* ne */
        start local 7 // javax.naming.NamingException ne
        51: .line 382
            aload 7 /* ne */
            aload 6 /* caughtException */
            invokevirtual javax.naming.NamingException.setRootCause:(Ljava/lang/Throwable;)V
        52: .line 383
            aload 7 /* ne */
            athrow
        end local 7 // javax.naming.NamingException ne
        end local 6 // java.lang.Exception caughtException
        end local 5 // com.sun.jndi.dns.Packet pkt
        end local 4 // int xid
        end local 3 // boolean recursion
        end local 2 // int qclass
        end local 1 // com.sun.jndi.dns.DnsName zone
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   53     0             this  Lcom/sun/jndi/dns/DnsClient;
            0   53     1             zone  Lcom/sun/jndi/dns/DnsName;
            0   53     2           qclass  I
            0   53     3        recursion  Z
            1   53     4              xid  I
            4   53     5              pkt  Lcom/sun/jndi/dns/Packet;
            5   53     6  caughtException  Ljava/lang/Exception;
            6   46     7                i  I
            8   37     8              tcp  Lcom/sun/jndi/dns/Tcp;
            9   34     9              msg  [B
           10   34    10              hdr  Lcom/sun/jndi/dns/Header;
           13   34    11              rrs  Lcom/sun/jndi/dns/ResourceRecords;
           38   39     8                e  Ljava/io/IOException;
           41   42     8                e  Ljavax/naming/NameNotFoundException;
           43   44     8                e  Ljavax/naming/NamingException;
           51   53     7               ne  Ljavax/naming/NamingException;
      Exception table:
        from    to  target  type
           8    32      34  any
           7    33      37  Class java.io.IOException
          34    37      37  Class java.io.IOException
           7    33      40  Class javax.naming.NameNotFoundException
          34    37      40  Class javax.naming.NameNotFoundException
           7    33      42  Class javax.naming.NamingException
          34    37      42  Class javax.naming.NamingException
    Exceptions:
      throws javax.naming.NamingException
    MethodParameters:
           Name  Flags
      zone       
      qclass     
      recursion  

  private byte[] doUdpQuery(com.sun.jndi.dns.Packet, java.net.InetAddress, int, int, int);
    descriptor: (Lcom/sun/jndi/dns/Packet;Ljava/net/InetAddress;III)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=22, args_size=6
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.Packet pkt
        start local 2 // java.net.InetAddress server
        start local 3 // int port
        start local 4 // int retry
        start local 5 // int xid
         0: .line 397
            bipush 50
            istore 6 /* minTimeout */
        start local 6 // int minTimeout
         1: .line 399
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.udpSocketLock:Ljava/lang/Object;
            dup
            astore 7
            monitorenter
         2: .line 400
            aconst_null
            astore 8
            aconst_null
            astore 9
         3: aload 0 /* this */
            invokevirtual com.sun.jndi.dns.DnsClient.getDatagramSocket:()Ljava/net/DatagramSocket;
            astore 10 /* udpSocket */
        start local 10 // java.net.DatagramSocket udpSocket
         4: .line 401
            new java.net.DatagramPacket
            dup
         5: .line 402
            aload 1 /* pkt */
            invokevirtual com.sun.jndi.dns.Packet.getData:()[B
            aload 1 /* pkt */
            invokevirtual com.sun.jndi.dns.Packet.length:()I
            aload 2 /* server */
            iload 3 /* port */
         6: .line 401
            invokespecial java.net.DatagramPacket.<init>:([BILjava/net/InetAddress;I)V
            astore 11 /* opkt */
        start local 11 // java.net.DatagramPacket opkt
         7: .line 403
            new java.net.DatagramPacket
            dup
            sipush 8000
            newarray 8
            sipush 8000
            invokespecial java.net.DatagramPacket.<init>:([BI)V
            astore 12 /* ipkt */
        start local 12 // java.net.DatagramPacket ipkt
         8: .line 405
            aload 10 /* udpSocket */
            aload 2 /* server */
            iload 3 /* port */
            invokevirtual java.net.DatagramSocket.connect:(Ljava/net/InetAddress;I)V
         9: .line 406
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.timeout:I
            iconst_1
            iload 4 /* retry */
            ishl
            imul
            istore 13 /* pktTimeout */
        start local 13 // int pktTimeout
        10: .line 408
            aload 10 /* udpSocket */
            aload 11 /* opkt */
            invokevirtual java.net.DatagramSocket.send:(Ljava/net/DatagramPacket;)V
        11: .line 411
            iload 13 /* pktTimeout */
            istore 14 /* timeoutLeft */
        start local 14 // int timeoutLeft
        12: .line 421
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.Packet java.net.InetAddress int int int int java.lang.Object java.lang.Throwable java.lang.Throwable java.net.DatagramSocket java.net.DatagramPacket java.net.DatagramPacket int int
      StackMap stack:
            aload 10 /* udpSocket */
            iload 14 /* timeoutLeft */
            invokevirtual java.net.DatagramSocket.setSoTimeout:(I)V
        13: .line 422
            invokestatic java.lang.System.currentTimeMillis:()J
            lstore 15 /* start */
        start local 15 // long start
        14: .line 423
            aload 10 /* udpSocket */
            aload 12 /* ipkt */
            invokevirtual java.net.DatagramSocket.receive:(Ljava/net/DatagramPacket;)V
        15: .line 424
            invokestatic java.lang.System.currentTimeMillis:()J
            lstore 17 /* end */
        start local 17 // long end
        16: .line 426
            aload 12 /* ipkt */
            invokevirtual java.net.DatagramPacket.getData:()[B
            astore 19 /* data */
        start local 19 // byte[] data
        17: .line 427
            aload 0 /* this */
            aload 19 /* data */
            iload 5 /* xid */
            invokevirtual com.sun.jndi.dns.DnsClient.isMatchResponse:([BI)Z
            ifeq 23
        18: .line 428
            aload 19 /* data */
            astore 21
        19: .line 434
            aload 10 /* udpSocket */
            invokevirtual java.net.DatagramSocket.disconnect:()V
        20: .line 437
            aload 10 /* udpSocket */
            ifnull 21
            aload 10 /* udpSocket */
            invokevirtual java.net.DatagramSocket.close:()V
        21: .line 428
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.Packet java.net.InetAddress int int int int java.lang.Object java.lang.Throwable java.lang.Throwable java.net.DatagramSocket java.net.DatagramPacket java.net.DatagramPacket int int long long byte[] top byte[]
      StackMap stack:
            aload 7
            monitorexit
        22: aload 21
            areturn
        23: .line 430
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.Packet java.net.InetAddress int int int int java.lang.Object java.lang.Throwable java.lang.Throwable java.net.DatagramSocket java.net.DatagramPacket java.net.DatagramPacket int int long long byte[]
      StackMap stack:
            iload 13 /* pktTimeout */
            lload 17 /* end */
            lload 15 /* start */
            lsub
            l2i
            isub
            istore 14 /* timeoutLeft */
        end local 19 // byte[] data
        end local 17 // long end
        end local 15 // long start
        24: .line 431
            iload 14 /* timeoutLeft */
            iload 6 /* minTimeout */
        25: .line 413
            if_icmpgt 12
        end local 14 // int timeoutLeft
        26: .line 433
            goto 30
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.Packet java.net.InetAddress int int int int java.lang.Object java.lang.Throwable java.lang.Throwable java.net.DatagramSocket java.net.DatagramPacket java.net.DatagramPacket int
      StackMap stack: java.lang.Throwable
        27: astore 20
        28: .line 434
            aload 10 /* udpSocket */
            invokevirtual java.net.DatagramSocket.disconnect:()V
        29: .line 435
            aload 20
            athrow
        30: .line 434
      StackMap locals:
      StackMap stack:
            aload 10 /* udpSocket */
            invokevirtual java.net.DatagramSocket.disconnect:()V
        31: .line 437
            aload 10 /* udpSocket */
            ifnull 32
            aload 10 /* udpSocket */
            invokevirtual java.net.DatagramSocket.close:()V
      StackMap locals:
      StackMap stack:
        32: aload 7
            monitorexit
        33: .line 436
            aconst_null
            areturn
        end local 13 // int pktTimeout
        end local 12 // java.net.DatagramPacket ipkt
        end local 11 // java.net.DatagramPacket opkt
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.Packet java.net.InetAddress int int int int java.lang.Object java.lang.Throwable java.lang.Throwable java.net.DatagramSocket
      StackMap stack: java.lang.Throwable
        34: astore 8
        35: .line 437
            aload 10 /* udpSocket */
            ifnull 36
            aload 10 /* udpSocket */
            invokevirtual java.net.DatagramSocket.close:()V
        end local 10 // java.net.DatagramSocket udpSocket
      StackMap locals:
      StackMap stack:
        36: aload 8
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        37: astore 9
            aload 8
            ifnonnull 38
            aload 9
            astore 8
            goto 39
      StackMap locals:
      StackMap stack:
        38: aload 8
            aload 9
            if_acmpeq 39
            aload 8
            aload 9
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        39: aload 8
            athrow
        40: .line 399
      StackMap locals: com.sun.jndi.dns.DnsClient com.sun.jndi.dns.Packet java.net.InetAddress int int int int java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 7
            monitorexit
        41: athrow
        end local 6 // int minTimeout
        end local 5 // int xid
        end local 4 // int retry
        end local 3 // int port
        end local 2 // java.net.InetAddress server
        end local 1 // com.sun.jndi.dns.Packet pkt
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   42     0         this  Lcom/sun/jndi/dns/DnsClient;
            0   42     1          pkt  Lcom/sun/jndi/dns/Packet;
            0   42     2       server  Ljava/net/InetAddress;
            0   42     3         port  I
            0   42     4        retry  I
            0   42     5          xid  I
            1   42     6   minTimeout  I
            4   36    10    udpSocket  Ljava/net/DatagramSocket;
            7   34    11         opkt  Ljava/net/DatagramPacket;
            8   34    12         ipkt  Ljava/net/DatagramPacket;
           10   34    13   pktTimeout  I
           12   26    14  timeoutLeft  I
           14   24    15        start  J
           16   24    17          end  J
           17   24    19         data  [B
      Exception table:
        from    to  target  type
          10    19      27  any
          23    27      27  any
           4    20      34  any
          23    31      34  any
           3    21      37  any
          23    32      37  any
          34    37      37  any
           2    22      40  any
          23    33      40  any
          34    41      40  any
    Exceptions:
      throws java.io.IOException, javax.naming.NamingException
    MethodParameters:
        Name  Flags
      pkt     
      server  
      port    
      retry   
      xid     

  private byte[] doTcpQuery(com.sun.jndi.dns.Tcp, com.sun.jndi.dns.Packet);
    descriptor: (Lcom/sun/jndi/dns/Tcp;Lcom/sun/jndi/dns/Packet;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=5, args_size=3
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.Tcp tcp
        start local 2 // com.sun.jndi.dns.Packet pkt
         0: .line 446
            aload 2 /* pkt */
            invokevirtual com.sun.jndi.dns.Packet.length:()I
            istore 3 /* len */
        start local 3 // int len
         1: .line 448
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.out:Ljava/io/OutputStream;
            iload 3 /* len */
            bipush 8
            ishr
            invokevirtual java.io.OutputStream.write:(I)V
         2: .line 449
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.out:Ljava/io/OutputStream;
            iload 3 /* len */
            invokevirtual java.io.OutputStream.write:(I)V
         3: .line 450
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.out:Ljava/io/OutputStream;
            aload 2 /* pkt */
            invokevirtual com.sun.jndi.dns.Packet.getData:()[B
            iconst_0
            iload 3 /* len */
            invokevirtual java.io.OutputStream.write:([BII)V
         4: .line 451
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.out:Ljava/io/OutputStream;
            invokevirtual java.io.OutputStream.flush:()V
         5: .line 453
            aload 0 /* this */
            aload 1 /* tcp */
            invokevirtual com.sun.jndi.dns.DnsClient.continueTcpQuery:(Lcom/sun/jndi/dns/Tcp;)[B
            astore 4 /* msg */
        start local 4 // byte[] msg
         6: .line 454
            aload 4 /* msg */
            ifnonnull 8
         7: .line 455
            new java.io.IOException
            dup
            ldc "DNS error: no response"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 457
      StackMap locals: int byte[]
      StackMap stack:
            aload 4 /* msg */
            areturn
        end local 4 // byte[] msg
        end local 3 // int len
        end local 2 // com.sun.jndi.dns.Packet pkt
        end local 1 // com.sun.jndi.dns.Tcp tcp
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lcom/sun/jndi/dns/DnsClient;
            0    9     1   tcp  Lcom/sun/jndi/dns/Tcp;
            0    9     2   pkt  Lcom/sun/jndi/dns/Packet;
            1    9     3   len  I
            6    9     4   msg  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      tcp   
      pkt   

  private byte[] continueTcpQuery(com.sun.jndi.dns.Tcp);
    descriptor: (Lcom/sun/jndi/dns/Tcp;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=8, args_size=2
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.Tcp tcp
         0: .line 465
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.read:()I
            istore 2 /* lenHi */
        start local 2 // int lenHi
         1: .line 466
            iload 2 /* lenHi */
            iconst_m1
            if_icmpne 3
         2: .line 467
            aconst_null
            areturn
         3: .line 469
      StackMap locals: int
      StackMap stack:
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.read:()I
            istore 3 /* lenLo */
        start local 3 // int lenLo
         4: .line 470
            iload 3 /* lenLo */
            iconst_m1
            if_icmpne 6
         5: .line 471
            new java.io.IOException
            dup
            ldc "Corrupted DNS response: bad length"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 473
      StackMap locals: int
      StackMap stack:
            iload 2 /* lenHi */
            bipush 8
            ishl
            iload 3 /* lenLo */
            ior
            istore 4 /* len */
        start local 4 // int len
         7: .line 474
            iload 4 /* len */
            newarray 8
            astore 5 /* msg */
        start local 5 // byte[] msg
         8: .line 475
            iconst_0
            istore 6 /* pos */
        start local 6 // int pos
         9: .line 476
            goto 17
        10: .line 477
      StackMap locals: int byte[] int
      StackMap stack:
            aload 1 /* tcp */
            getfield com.sun.jndi.dns.Tcp.in:Ljava/io/InputStream;
            aload 5 /* msg */
            iload 6 /* pos */
            iload 4 /* len */
            invokevirtual java.io.InputStream.read:([BII)I
            istore 7 /* n */
        start local 7 // int n
        11: .line 478
            iload 7 /* n */
            iconst_m1
            if_icmpne 15
        12: .line 479
            new java.io.IOException
            dup
        13: .line 480
            ldc "Corrupted DNS response: too little data"
        14: .line 479
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        15: .line 482
      StackMap locals: int
      StackMap stack:
            iload 4 /* len */
            iload 7 /* n */
            isub
            istore 4 /* len */
        16: .line 483
            iload 6 /* pos */
            iload 7 /* n */
            iadd
            istore 6 /* pos */
        end local 7 // int n
        17: .line 476
      StackMap locals:
      StackMap stack:
            iload 4 /* len */
            ifgt 10
        18: .line 485
            aload 5 /* msg */
            areturn
        end local 6 // int pos
        end local 5 // byte[] msg
        end local 4 // int len
        end local 3 // int lenLo
        end local 2 // int lenHi
        end local 1 // com.sun.jndi.dns.Tcp tcp
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   19     0   this  Lcom/sun/jndi/dns/DnsClient;
            0   19     1    tcp  Lcom/sun/jndi/dns/Tcp;
            1   19     2  lenHi  I
            4   19     3  lenLo  I
            7   19     4    len  I
            8   19     5    msg  [B
            9   19     6    pos  I
           11   17     7      n  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      tcp   

  private com.sun.jndi.dns.Packet makeQueryPacket(com.sun.jndi.dns.DnsName, int, int, int, boolean);
    descriptor: (Lcom/sun/jndi/dns/DnsName;IIIZ)Lcom/sun/jndi/dns/Packet;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=10, args_size=6
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.DnsName fqdn
        start local 2 // int xid
        start local 3 // int qclass
        start local 4 // int qtype
        start local 5 // boolean recursion
         0: .line 490
            aload 1 /* fqdn */
            invokevirtual com.sun.jndi.dns.DnsName.getOctets:()S
            istore 6 /* qnameLen */
        start local 6 // int qnameLen
         1: .line 491
            bipush 12
            iload 6 /* qnameLen */
            iadd
            iconst_4
            iadd
            istore 7 /* pktLen */
        start local 7 // int pktLen
         2: .line 492
            new com.sun.jndi.dns.Packet
            dup
            iload 7 /* pktLen */
            invokespecial com.sun.jndi.dns.Packet.<init>:(I)V
            astore 8 /* pkt */
        start local 8 // com.sun.jndi.dns.Packet pkt
         3: .line 494
            iload 5 /* recursion */
            ifeq 4
            sipush 256
            goto 5
      StackMap locals: int int com.sun.jndi.dns.Packet
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: istore 9 /* flags */
        start local 9 // short flags
         6: .line 496
            aload 8 /* pkt */
            iload 2 /* xid */
            iconst_0
            invokevirtual com.sun.jndi.dns.Packet.putShort:(II)V
         7: .line 497
            aload 8 /* pkt */
            iload 9 /* flags */
            iconst_2
            invokevirtual com.sun.jndi.dns.Packet.putShort:(II)V
         8: .line 498
            aload 8 /* pkt */
            iconst_1
            iconst_4
            invokevirtual com.sun.jndi.dns.Packet.putShort:(II)V
         9: .line 499
            aload 8 /* pkt */
            iconst_0
            bipush 6
            invokevirtual com.sun.jndi.dns.Packet.putShort:(II)V
        10: .line 500
            aload 8 /* pkt */
            iconst_0
            bipush 8
            invokevirtual com.sun.jndi.dns.Packet.putInt:(II)V
        11: .line 502
            aload 0 /* this */
            aload 1 /* fqdn */
            aload 8 /* pkt */
            bipush 12
            invokevirtual com.sun.jndi.dns.DnsClient.makeQueryName:(Lcom/sun/jndi/dns/DnsName;Lcom/sun/jndi/dns/Packet;I)V
        12: .line 503
            aload 8 /* pkt */
            iload 4 /* qtype */
            bipush 12
            iload 6 /* qnameLen */
            iadd
            invokevirtual com.sun.jndi.dns.Packet.putShort:(II)V
        13: .line 504
            aload 8 /* pkt */
            iload 3 /* qclass */
            bipush 12
            iload 6 /* qnameLen */
            iadd
            iconst_2
            iadd
            invokevirtual com.sun.jndi.dns.Packet.putShort:(II)V
        14: .line 506
            aload 8 /* pkt */
            areturn
        end local 9 // short flags
        end local 8 // com.sun.jndi.dns.Packet pkt
        end local 7 // int pktLen
        end local 6 // int qnameLen
        end local 5 // boolean recursion
        end local 4 // int qtype
        end local 3 // int qclass
        end local 2 // int xid
        end local 1 // com.sun.jndi.dns.DnsName fqdn
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   15     0       this  Lcom/sun/jndi/dns/DnsClient;
            0   15     1       fqdn  Lcom/sun/jndi/dns/DnsName;
            0   15     2        xid  I
            0   15     3     qclass  I
            0   15     4      qtype  I
            0   15     5  recursion  Z
            1   15     6   qnameLen  I
            2   15     7     pktLen  I
            3   15     8        pkt  Lcom/sun/jndi/dns/Packet;
            6   15     9      flags  S
    MethodParameters:
           Name  Flags
      fqdn       
      xid        
      qclass     
      qtype      
      recursion  

  private void makeQueryName(com.sun.jndi.dns.DnsName, com.sun.jndi.dns.Packet, int);
    descriptor: (Lcom/sun/jndi/dns/DnsName;Lcom/sun/jndi/dns/Packet;I)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=8, args_size=4
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.DnsName fqdn
        start local 2 // com.sun.jndi.dns.Packet pkt
        start local 3 // int off
         0: .line 513
            aload 1 /* fqdn */
            invokevirtual com.sun.jndi.dns.DnsName.size:()I
            iconst_1
            isub
            istore 4 /* i */
        start local 4 // int i
         1: goto 11
         2: .line 514
      StackMap locals: int
      StackMap stack:
            aload 1 /* fqdn */
            iload 4 /* i */
            invokevirtual com.sun.jndi.dns.DnsName.get:(I)Ljava/lang/String;
            astore 5 /* label */
        start local 5 // java.lang.String label
         3: .line 515
            aload 5 /* label */
            invokevirtual java.lang.String.length:()I
            istore 6 /* len */
        start local 6 // int len
         4: .line 517
            aload 2 /* pkt */
            iload 6 /* len */
            iload 3 /* off */
            iinc 3 /* off */ 1
            invokevirtual com.sun.jndi.dns.Packet.putByte:(II)V
         5: .line 518
            iconst_0
            istore 7 /* j */
        start local 7 // int j
         6: goto 9
         7: .line 519
      StackMap locals: java.lang.String int int
      StackMap stack:
            aload 2 /* pkt */
            aload 5 /* label */
            iload 7 /* j */
            invokevirtual java.lang.String.charAt:(I)C
            iload 3 /* off */
            iinc 3 /* off */ 1
            invokevirtual com.sun.jndi.dns.Packet.putByte:(II)V
         8: .line 518
            iinc 7 /* j */ 1
      StackMap locals:
      StackMap stack:
         9: iload 7 /* j */
            iload 6 /* len */
            if_icmplt 7
        end local 7 // int j
        end local 6 // int len
        end local 5 // java.lang.String label
        10: .line 513
            iinc 4 /* i */ -1
      StackMap locals:
      StackMap stack:
        11: iload 4 /* i */
            ifge 2
        end local 4 // int i
        12: .line 522
            aload 1 /* fqdn */
            invokevirtual com.sun.jndi.dns.DnsName.hasRootLabel:()Z
            ifne 14
        13: .line 523
            aload 2 /* pkt */
            iconst_0
            iload 3 /* off */
            invokevirtual com.sun.jndi.dns.Packet.putByte:(II)V
        14: .line 525
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int off
        end local 2 // com.sun.jndi.dns.Packet pkt
        end local 1 // com.sun.jndi.dns.DnsName fqdn
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   15     0   this  Lcom/sun/jndi/dns/DnsClient;
            0   15     1   fqdn  Lcom/sun/jndi/dns/DnsName;
            0   15     2    pkt  Lcom/sun/jndi/dns/Packet;
            0   15     3    off  I
            1   12     4      i  I
            3   10     5  label  Ljava/lang/String;
            4   10     6    len  I
            6   10     7      j  I
    MethodParameters:
      Name  Flags
      fqdn  
      pkt   
      off   

  private byte[] lookupResponse(java.lang.Integer);
    descriptor: (Ljava/lang/Integer;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // java.lang.Integer xid
         0: .line 539
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
            aload 1 /* xid */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            dup
            astore 2 /* pkt */
        start local 2 // byte[] pkt
         1: ifnull 10
         2: .line 540
            aload 0 /* this */
            new com.sun.jndi.dns.Header
            dup
            aload 2 /* pkt */
            aload 2 /* pkt */
            arraylength
            invokespecial com.sun.jndi.dns.Header.<init>:([BI)V
            invokevirtual com.sun.jndi.dns.DnsClient.checkResponseCode:(Lcom/sun/jndi/dns/Header;)V
         3: .line 541
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.queuesLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         4: .line 542
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
            aload 1 /* xid */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 543
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            aload 1 /* xid */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 541
            aload 3
            monitorexit
         7: goto 10
      StackMap locals: com.sun.jndi.dns.DnsClient java.lang.Integer byte[] java.lang.Object
      StackMap stack: java.lang.Throwable
         8: aload 3
            monitorexit
         9: athrow
        10: .line 551
      StackMap locals:
      StackMap stack:
            aload 2 /* pkt */
            areturn
        end local 2 // byte[] pkt
        end local 1 // java.lang.Integer xid
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lcom/sun/jndi/dns/DnsClient;
            0   11     1   xid  Ljava/lang/Integer;
            1   11     2   pkt  [B
      Exception table:
        from    to  target  type
           4     7       8  any
           8     9       8  any
    Exceptions:
      throws javax.naming.NamingException
    MethodParameters:
      Name  Flags
      xid   

  private boolean isMatchResponse(byte[], int);
    descriptor: ([BI)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=10, args_size=3
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // byte[] pkt
        start local 2 // int xid
         0: .line 565
            new com.sun.jndi.dns.Header
            dup
            aload 1 /* pkt */
            aload 1 /* pkt */
            arraylength
            invokespecial com.sun.jndi.dns.Header.<init>:([BI)V
            astore 3 /* hdr */
        start local 3 // com.sun.jndi.dns.Header hdr
         1: .line 566
            aload 3 /* hdr */
            getfield com.sun.jndi.dns.Header.query:Z
            ifeq 3
         2: .line 567
            new javax.naming.CommunicationException
            dup
            ldc "DNS error: expecting response"
            invokespecial javax.naming.CommunicationException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 570
      StackMap locals: com.sun.jndi.dns.Header
      StackMap stack:
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 2 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 5
         4: .line 571
            iconst_0
            ireturn
         5: .line 575
      StackMap locals:
      StackMap stack:
            aload 3 /* hdr */
            getfield com.sun.jndi.dns.Header.xid:I
            iload 2 /* xid */
            if_icmpne 29
         6: .line 579
            aload 0 /* this */
            aload 3 /* hdr */
            invokevirtual com.sun.jndi.dns.DnsClient.checkResponseCode:(Lcom/sun/jndi/dns/Header;)V
         7: .line 580
            aload 3 /* hdr */
            getfield com.sun.jndi.dns.Header.query:Z
            ifne 28
            aload 3 /* hdr */
            getfield com.sun.jndi.dns.Header.numQuestions:I
            iconst_1
            if_icmpne 28
         8: .line 582
            new com.sun.jndi.dns.ResourceRecord
            dup
            aload 1 /* pkt */
            aload 1 /* pkt */
            arraylength
         9: .line 583
            bipush 12
            iconst_1
            iconst_0
        10: .line 582
            invokespecial com.sun.jndi.dns.ResourceRecord.<init>:([BIIZZ)V
            astore 4 /* rr */
        start local 4 // com.sun.jndi.dns.ResourceRecord rr
        11: .line 586
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 2 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.sun.jndi.dns.ResourceRecord
            astore 5 /* query */
        start local 5 // com.sun.jndi.dns.ResourceRecord query
        12: .line 587
            aload 5 /* query */
            invokevirtual com.sun.jndi.dns.ResourceRecord.getType:()I
            istore 6 /* qtype */
        start local 6 // int qtype
        13: .line 588
            aload 5 /* query */
            invokevirtual com.sun.jndi.dns.ResourceRecord.getRrclass:()I
            istore 7 /* qclass */
        start local 7 // int qclass
        14: .line 589
            aload 5 /* query */
            invokevirtual com.sun.jndi.dns.ResourceRecord.getName:()Lcom/sun/jndi/dns/DnsName;
            astore 8 /* qname */
        start local 8 // com.sun.jndi.dns.DnsName qname
        15: .line 593
            iload 6 /* qtype */
            sipush 255
            if_icmpeq 17
        16: .line 594
            iload 6 /* qtype */
            aload 4 /* rr */
            invokevirtual com.sun.jndi.dns.ResourceRecord.getType:()I
            if_icmpne 28
        17: .line 595
      StackMap locals: com.sun.jndi.dns.DnsClient byte[] int com.sun.jndi.dns.Header com.sun.jndi.dns.ResourceRecord com.sun.jndi.dns.ResourceRecord int int com.sun.jndi.dns.DnsName
      StackMap stack:
            iload 7 /* qclass */
            sipush 255
            if_icmpeq 19
        18: .line 596
            iload 7 /* qclass */
            aload 4 /* rr */
            invokevirtual com.sun.jndi.dns.ResourceRecord.getRrclass:()I
            if_icmpne 28
        19: .line 597
      StackMap locals:
      StackMap stack:
            aload 8 /* qname */
            aload 4 /* rr */
            invokevirtual com.sun.jndi.dns.ResourceRecord.getName:()Lcom/sun/jndi/dns/DnsName;
            invokevirtual com.sun.jndi.dns.DnsName.equals:(Ljava/lang/Object;)Z
            ifeq 28
        20: .line 606
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.queuesLock:Ljava/lang/Object;
            dup
            astore 9
            monitorenter
        21: .line 607
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
            iload 2 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        22: .line 608
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            iload 2 /* xid */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        23: .line 606
            aload 9
            monitorexit
        24: goto 27
      StackMap locals: com.sun.jndi.dns.DnsClient byte[] int com.sun.jndi.dns.Header com.sun.jndi.dns.ResourceRecord com.sun.jndi.dns.ResourceRecord int int com.sun.jndi.dns.DnsName java.lang.Object
      StackMap stack: java.lang.Throwable
        25: aload 9
            monitorexit
        26: athrow
        27: .line 610
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 8 // com.sun.jndi.dns.DnsName qname
        end local 7 // int qclass
        end local 6 // int qtype
        end local 5 // com.sun.jndi.dns.ResourceRecord query
        end local 4 // com.sun.jndi.dns.ResourceRecord rr
        28: .line 619
      StackMap locals: com.sun.jndi.dns.DnsClient byte[] int com.sun.jndi.dns.Header
      StackMap stack:
            iconst_0
            ireturn
        29: .line 627
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.queuesLock:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
        30: .line 628
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.reqs:Ljava/util/Map;
            aload 3 /* hdr */
            getfield com.sun.jndi.dns.Header.xid:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 32
        31: .line 629
            aload 0 /* this */
            getfield com.sun.jndi.dns.DnsClient.resps:Ljava/util/Map;
            aload 3 /* hdr */
            getfield com.sun.jndi.dns.Header.xid:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aload 1 /* pkt */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        32: .line 627
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 4
            monitorexit
        33: goto 36
      StackMap locals:
      StackMap stack: java.lang.Throwable
        34: aload 4
            monitorexit
        35: athrow
        36: .line 639
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 3 // com.sun.jndi.dns.Header hdr
        end local 2 // int xid
        end local 1 // byte[] pkt
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   37     0    this  Lcom/sun/jndi/dns/DnsClient;
            0   37     1     pkt  [B
            0   37     2     xid  I
            1   37     3     hdr  Lcom/sun/jndi/dns/Header;
           11   28     4      rr  Lcom/sun/jndi/dns/ResourceRecord;
           12   28     5   query  Lcom/sun/jndi/dns/ResourceRecord;
           13   28     6   qtype  I
           14   28     7  qclass  I
           15   28     8   qname  Lcom/sun/jndi/dns/DnsName;
      Exception table:
        from    to  target  type
          21    24      25  any
          25    26      25  any
          30    33      34  any
          34    35      34  any
    Exceptions:
      throws javax.naming.NamingException
    MethodParameters:
      Name  Flags
      pkt   
      xid   

  private void checkResponseCode(com.sun.jndi.dns.Header);
    descriptor: (Lcom/sun/jndi/dns/Header;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // com.sun.jndi.dns.DnsClient this
        start local 1 // com.sun.jndi.dns.Header hdr
         0: .line 648
            aload 1 /* hdr */
            getfield com.sun.jndi.dns.Header.rcode:I
            istore 2 /* rcode */
        start local 2 // int rcode
         1: .line 649
            iload 2 /* rcode */
            ifne 3
         2: .line 650
            return
         3: .line 652
      StackMap locals: int
      StackMap stack:
            iload 2 /* rcode */
            getstatic com.sun.jndi.dns.DnsClient.rcodeDescription:[Ljava/lang/String;
            arraylength
            if_icmpge 5
         4: .line 653
            getstatic com.sun.jndi.dns.DnsClient.rcodeDescription:[Ljava/lang/String;
            iload 2 /* rcode */
            aaload
            goto 6
         5: .line 654
      StackMap locals:
      StackMap stack:
            ldc "DNS error"
         6: .line 652
      StackMap locals:
      StackMap stack: java.lang.String
            astore 3 /* msg */
        start local 3 // java.lang.String msg
         7: .line 655
            new java.lang.StringBuilder
            dup
            aload 3 /* msg */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " [response code "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 2 /* rcode */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc "]"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 3 /* msg */
         8: .line 657
            iload 2 /* rcode */
            tableswitch { // 1 - 5
                    1: 12
                    2: 9
                    3: 10
                    4: 11
                    5: 11
              default: 12
          }
         9: .line 659
      StackMap locals: java.lang.String
      StackMap stack:
            new javax.naming.ServiceUnavailableException
            dup
            aload 3 /* msg */
            invokespecial javax.naming.ServiceUnavailableException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 661
      StackMap locals:
      StackMap stack:
            new javax.naming.NameNotFoundException
            dup
            aload 3 /* msg */
            invokespecial javax.naming.NameNotFoundException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 664
      StackMap locals:
      StackMap stack:
            new javax.naming.OperationNotSupportedException
            dup
            aload 3 /* msg */
            invokespecial javax.naming.OperationNotSupportedException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 667
      StackMap locals:
      StackMap stack:
            new javax.naming.NamingException
            dup
            aload 3 /* msg */
            invokespecial javax.naming.NamingException.<init>:(Ljava/lang/String;)V
            athrow
        end local 3 // java.lang.String msg
        end local 2 // int rcode
        end local 1 // com.sun.jndi.dns.Header hdr
        end local 0 // com.sun.jndi.dns.DnsClient this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   13     0   this  Lcom/sun/jndi/dns/DnsClient;
            0   13     1    hdr  Lcom/sun/jndi/dns/Header;
            1   13     2  rcode  I
            7   13     3    msg  Ljava/lang/String;
    Exceptions:
      throws javax.naming.NamingException
    MethodParameters:
      Name  Flags
      hdr   

  private static void dprint(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // java.lang.String mess
         0: .line 679
            return
        end local 0 // java.lang.String mess
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  mess  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      mess  
}
SourceFile: "DnsClient.java"