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-rw-r--r--src/interfaces/jdbc/org/postgresql/util/PGmoney.java105
-rw-r--r--src/interfaces/jdbc/org/postgresql/util/PGobject.java102
-rw-r--r--src/interfaces/jdbc/org/postgresql/util/PGtokenizer.java197
-rw-r--r--src/interfaces/jdbc/org/postgresql/util/PSQLException.java111
-rw-r--r--src/interfaces/jdbc/org/postgresql/util/Serialize.java342
-rw-r--r--src/interfaces/jdbc/org/postgresql/util/UnixCrypt.java675
6 files changed, 1532 insertions, 0 deletions
diff --git a/src/interfaces/jdbc/org/postgresql/util/PGmoney.java b/src/interfaces/jdbc/org/postgresql/util/PGmoney.java
new file mode 100644
index 00000000000..99264345e1f
--- /dev/null
+++ b/src/interfaces/jdbc/org/postgresql/util/PGmoney.java
@@ -0,0 +1,105 @@
+package org.postgresql.util;
+
+import java.io.*;
+import java.sql.*;
+
+/**
+ * This implements a class that handles the PostgreSQL money and cash types
+ */
+public class PGmoney extends PGobject implements Serializable,Cloneable
+{
+ /**
+ * The value of the field
+ */
+ public double val;
+
+ /**
+ * @param value of field
+ */
+ public PGmoney(double value) {
+ this();
+ val = value;
+ }
+
+ /**
+ * This is called mainly from the other geometric types, when a
+ * point is imbeded within their definition.
+ *
+ * @param value Definition of this point in PostgreSQL's syntax
+ */
+ public PGmoney(String value) throws SQLException
+ {
+ this();
+ setValue(value);
+ }
+
+ /**
+ * Required by the driver
+ */
+ public PGmoney()
+ {
+ setType("money");
+ }
+
+ /**
+ * @param s Definition of this point in PostgreSQL's syntax
+ * @exception SQLException on conversion failure
+ */
+ public void setValue(String s) throws SQLException
+ {
+ try {
+ String s1;
+ boolean negative;
+
+ negative = (s.charAt(0) == '-') ;
+
+ s1 = s.substring(negative ? 2 : 1);
+
+ int pos = s1.indexOf(',');
+ while (pos != -1) {
+ s1 = s1.substring(0,pos) + s1.substring(pos +1);
+ pos = s1.indexOf(',');
+ }
+
+ val = Double.valueOf(s1).doubleValue();
+ val = negative ? -val : val;
+
+ } catch(NumberFormatException e) {
+ throw new PSQLException("postgresql.money",e);
+ }
+ }
+
+ /**
+ * @param obj Object to compare with
+ * @return true if the two boxes are identical
+ */
+ public boolean equals(Object obj)
+ {
+ if(obj instanceof PGmoney) {
+ PGmoney p = (PGmoney)obj;
+ return val == p.val;
+ }
+ return false;
+ }
+
+ /**
+ * This must be overidden to allow the object to be cloned
+ */
+ public Object clone()
+ {
+ return new PGmoney(val);
+ }
+
+ /**
+ * @return the PGpoint in the syntax expected by org.postgresql
+ */
+ public String getValue()
+ {
+ if (val < 0) {
+ return "-$" + (-val);
+ }
+ else {
+ return "$"+val;
+ }
+ }
+}
diff --git a/src/interfaces/jdbc/org/postgresql/util/PGobject.java b/src/interfaces/jdbc/org/postgresql/util/PGobject.java
new file mode 100644
index 00000000000..c04d0b450e7
--- /dev/null
+++ b/src/interfaces/jdbc/org/postgresql/util/PGobject.java
@@ -0,0 +1,102 @@
+package org.postgresql.util;
+
+import java.io.*;
+import java.lang.*;
+import java.sql.*;
+import java.util.*;
+
+/**
+ * org.postgresql.PG_Object is a class used to describe unknown types
+ * An unknown type is any type that is unknown by JDBC Standards
+ *
+ * <p>As of PostgreSQL 6.3, this allows user code to add their own
+ * handlers via a call to org.postgresql.Connection. These handlers
+ * must extend this class.
+ */
+public class PGobject implements Serializable,Cloneable
+{
+ protected String type;
+ protected String value;
+
+ /**
+ * This is called by org.postgresql.Connection.getObject() to create the
+ * object.
+ */
+ public PGobject()
+ {
+ }
+
+ /**
+ * This method sets the type of this object.
+ *
+ * <p>It should not be extended by subclasses, hence its final
+ *
+ * @param type a string describing the type of the object
+ */
+ public final void setType(String type)
+ {
+ this.type = type;
+ }
+
+ /**
+ * This method sets the value of this object. It must be overidden.
+ *
+ * @param value a string representation of the value of the object
+ * @exception SQLException thrown if value is invalid for this type
+ */
+ public void setValue(String value) throws SQLException
+ {
+ this.value = value;
+ }
+
+ /**
+ * As this cannot change during the life of the object, it's final.
+ * @return the type name of this object
+ */
+ public final String getType()
+ {
+ return type;
+ }
+
+ /**
+ * This must be overidden, to return the value of the object, in the
+ * form required by org.postgresql.
+ * @return the value of this object
+ */
+ public String getValue()
+ {
+ return value;
+ }
+
+ /**
+ * This must be overidden to allow comparisons of objects
+ * @param obj Object to compare with
+ * @return true if the two boxes are identical
+ */
+ public boolean equals(Object obj)
+ {
+ if(obj instanceof PGobject)
+ return ((PGobject)obj).getValue().equals(getValue());
+ return false;
+ }
+
+ /**
+ * This must be overidden to allow the object to be cloned
+ */
+ public Object clone()
+ {
+ PGobject obj = new PGobject();
+ obj.type=type;
+ obj.value=value;
+ return obj;
+ }
+
+ /**
+ * This is defined here, so user code need not overide it.
+ * @return the value of this object, in the syntax expected by org.postgresql
+ */
+ public String toString()
+ {
+ return getValue();
+ }
+}
diff --git a/src/interfaces/jdbc/org/postgresql/util/PGtokenizer.java b/src/interfaces/jdbc/org/postgresql/util/PGtokenizer.java
new file mode 100644
index 00000000000..b9d1bb68ffe
--- /dev/null
+++ b/src/interfaces/jdbc/org/postgresql/util/PGtokenizer.java
@@ -0,0 +1,197 @@
+package org.postgresql.util;
+
+import java.sql.*;
+import java.util.*;
+
+/**
+ * This class is used to tokenize the text output of org.postgres.
+ *
+ * <p>It's mainly used by the geometric classes, but is useful in parsing any
+ * output from custom data types output from org.postgresql.
+ *
+ * @see org.postgresql.geometric.PGbox
+ * @see org.postgresql.geometric.PGcircle
+ * @see org.postgresql.geometric.PGlseg
+ * @see org.postgresql.geometric.PGpath
+ * @see org.postgresql.geometric.PGpoint
+ * @see org.postgresql.geometric.PGpolygon
+ */
+public class PGtokenizer
+{
+ // Our tokens
+ protected Vector tokens;
+
+ /**
+ * Create a tokeniser.
+ *
+ * <p>We could have used StringTokenizer to do this, however, we needed to
+ * handle nesting of '(' ')' '[' ']' '&lt;' and '&gt;' as these are used
+ * by the geometric data types.
+ *
+ * @param string containing tokens
+ * @param delim single character to split the tokens
+ */
+ public PGtokenizer(String string,char delim)
+ {
+ tokenize(string,delim);
+ }
+
+ /**
+ * This resets this tokenizer with a new string and/or delimiter.
+ *
+ * @param string containing tokens
+ * @param delim single character to split the tokens
+ */
+ public int tokenize(String string,char delim)
+ {
+ tokens = new Vector();
+
+ // nest holds how many levels we are in the current token.
+ // if this is > 0 then we don't split a token when delim is matched.
+ //
+ // The Geometric datatypes use this, because often a type may have others
+ // (usualls PGpoint) imbedded within a token.
+ //
+ // Peter 1998 Jan 6 - Added < and > to the nesting rules
+ int nest=0,p,s;
+
+ for(p=0,s=0;p<string.length();p++) {
+ char c = string.charAt(p);
+
+ // increase nesting if an open character is found
+ if(c == '(' || c == '[' || c == '<')
+ nest++;
+
+ // decrease nesting if a close character is found
+ if(c == ')' || c == ']' || c == '>')
+ nest--;
+
+ if(nest==0 && c==delim) {
+ tokens.addElement(string.substring(s,p));
+ s=p+1; // +1 to skip the delimiter
+ }
+
+ }
+
+ // Don't forget the last token ;-)
+ if(s<string.length())
+ tokens.addElement(string.substring(s));
+
+ return tokens.size();
+ }
+
+ /**
+ * @return the number of tokens available
+ */
+ public int getSize()
+ {
+ return tokens.size();
+ }
+
+ /**
+ * @param n Token number ( 0 ... getSize()-1 )
+ * @return The token value
+ */
+ public String getToken(int n)
+ {
+ return (String)tokens.elementAt(n);
+ }
+
+ /**
+ * This returns a new tokenizer based on one of our tokens.
+ *
+ * The geometric datatypes use this to process nested tokens (usually
+ * PGpoint).
+ *
+ * @param n Token number ( 0 ... getSize()-1 )
+ * @param delim The delimiter to use
+ * @return A new instance of PGtokenizer based on the token
+ */
+ public PGtokenizer tokenizeToken(int n,char delim)
+ {
+ return new PGtokenizer(getToken(n),delim);
+ }
+
+ /**
+ * This removes the lead/trailing strings from a string
+ * @param s Source string
+ * @param l Leading string to remove
+ * @param t Trailing string to remove
+ * @return String without the lead/trailing strings
+ */
+ public static String remove(String s,String l,String t)
+ {
+ if(s.startsWith(l)) s = s.substring(l.length());
+ if(s.endsWith(t)) s = s.substring(0,s.length()-t.length());
+ return s;
+ }
+
+ /**
+ * This removes the lead/trailing strings from all tokens
+ * @param l Leading string to remove
+ * @param t Trailing string to remove
+ */
+ public void remove(String l,String t)
+ {
+ for(int i=0;i<tokens.size();i++) {
+ tokens.setElementAt(remove((String)tokens.elementAt(i),l,t),i);
+ }
+ }
+
+ /**
+ * Removes ( and ) from the beginning and end of a string
+ * @param s String to remove from
+ * @return String without the ( or )
+ */
+ public static String removePara(String s)
+ {
+ return remove(s,"(",")");
+ }
+
+ /**
+ * Removes ( and ) from the beginning and end of all tokens
+ * @return String without the ( or )
+ */
+ public void removePara()
+ {
+ remove("(",")");
+ }
+
+ /**
+ * Removes [ and ] from the beginning and end of a string
+ * @param s String to remove from
+ * @return String without the [ or ]
+ */
+ public static String removeBox(String s)
+ {
+ return remove(s,"[","]");
+ }
+
+ /**
+ * Removes [ and ] from the beginning and end of all tokens
+ * @return String without the [ or ]
+ */
+ public void removeBox()
+ {
+ remove("[","]");
+ }
+
+ /**
+ * Removes &lt; and &gt; from the beginning and end of a string
+ * @param s String to remove from
+ * @return String without the &lt; or &gt;
+ */
+ public static String removeAngle(String s)
+ {
+ return remove(s,"<",">");
+ }
+
+ /**
+ * Removes &lt; and &gt; from the beginning and end of all tokens
+ * @return String without the &lt; or &gt;
+ */
+ public void removeAngle()
+ {
+ remove("<",">");
+ }
+}
diff --git a/src/interfaces/jdbc/org/postgresql/util/PSQLException.java b/src/interfaces/jdbc/org/postgresql/util/PSQLException.java
new file mode 100644
index 00000000000..36290a5db15
--- /dev/null
+++ b/src/interfaces/jdbc/org/postgresql/util/PSQLException.java
@@ -0,0 +1,111 @@
+package org.postgresql.util;
+
+import java.sql.*;
+import java.text.*;
+import java.util.*;
+
+/**
+ * This class extends SQLException, and provides our internationalisation handling
+ */
+public class PSQLException extends SQLException
+{
+ private String message;
+
+ // Cache for future errors
+ static ResourceBundle bundle;
+
+ /**
+ * This provides the same functionality to SQLException
+ * @param error Error string
+ */
+ public PSQLException(String error) {
+ super();
+ translate(error,null);
+ }
+
+ /**
+ * A more generic entry point.
+ * @param error Error string or standard message id
+ * @param args Array of arguments
+ */
+ public PSQLException(String error,Object[] args)
+ {
+ //super();
+ translate(error,args);
+ }
+
+ /**
+ * Helper version for 1 arg
+ */
+ public PSQLException(String error,Object arg)
+ {
+ super();
+ Object[] argv = new Object[1];
+ argv[0] = arg;
+ translate(error,argv);
+ }
+
+ /**
+ * Helper version for 2 args
+ */
+ public PSQLException(String error,Object arg1,Object arg2)
+ {
+ super();
+ Object[] argv = new Object[2];
+ argv[0] = arg1;
+ argv[1] = arg2;
+ translate(error,argv);
+ }
+
+ /**
+ * This does the actual translation
+ */
+ private void translate(String id,Object[] args)
+ {
+ if(bundle == null) {
+ try {
+ bundle = ResourceBundle.getBundle("org.postgresql.errors");
+ } catch(MissingResourceException e) {
+ }
+ }
+
+ // Now look up a localized message. If one is not found, then use
+ // the supplied message instead.
+ message = null;
+ try {
+ message = bundle.getString(id);
+ } catch(MissingResourceException e) {
+ message = id;
+ }
+
+ // Expand any arguments
+ if(args!=null)
+ message = MessageFormat.format(message,args);
+
+ }
+
+ /**
+ * Overides Throwable
+ */
+ public String getLocalizedMessage()
+ {
+ return message;
+ }
+
+ /**
+ * Overides Throwable
+ */
+ public String getMessage()
+ {
+ return message;
+ }
+
+ /**
+ * Overides Object
+ */
+ public String toString()
+ {
+ return message;
+ }
+
+}
diff --git a/src/interfaces/jdbc/org/postgresql/util/Serialize.java b/src/interfaces/jdbc/org/postgresql/util/Serialize.java
new file mode 100644
index 00000000000..3af43e6eb84
--- /dev/null
+++ b/src/interfaces/jdbc/org/postgresql/util/Serialize.java
@@ -0,0 +1,342 @@
+package org.postgresql.util;
+
+import java.io.*;
+import java.lang.*;
+import java.lang.reflect.*;
+import java.net.*;
+import java.util.*;
+import java.sql.*;
+
+/**
+ * This class uses PostgreSQL's object oriented features to store Java Objects.
+ *
+ * It does this by mapping a Java Class name to a table in the database. Each
+ * entry in this new table then represents a Serialized instance of this
+ * class. As each entry has an OID (Object IDentifier), this OID can be
+ * included in another table.
+ *
+ * This is too complex to show here, and will be documented in the main
+ * documents in more detail.
+ *
+ */
+public class Serialize
+{
+ // This is the connection that the instance refers to
+ protected org.postgresql.Connection conn;
+
+ // This is the table name
+ protected String tableName;
+
+ // This is the class name
+ protected String className;
+
+ // This is the Class for this serialzed object
+ protected Class ourClass;
+
+ /**
+ * This creates an instance that can be used to serialize or deserialize
+ * a Java object from a PostgreSQL table.
+ */
+ public Serialize(org.postgresql.Connection c,String type) throws SQLException
+ {
+ try {
+ conn = c;
+ tableName = type.toLowerCase();
+ className = toClassName(type);
+ ourClass = Class.forName(className);
+ } catch(ClassNotFoundException cnfe) {
+ throw new PSQLException("postgresql.serial.noclass",type);
+ }
+
+ // Second check, the type must be a table
+ boolean status = false;
+ ResultSet rs = conn.ExecSQL("select typname from pg_type,pg_class where typname=relname and typname='"+type+"'");
+ if(rs!=null) {
+ if(rs.next())
+ status=true;
+ rs.close();
+ }
+ // This should never occur, as org.postgresql has it's own internal checks
+ if(!status)
+ throw new PSQLException("postgresql.serial.table",type);
+
+ // Finally cache the fields within the table
+ }
+
+ /**
+ * This fetches an object from a table, given it's OID
+ * @param oid The oid of the object
+ * @return Object relating to oid
+ * @exception SQLException on error
+ */
+ public Object fetch(int oid) throws SQLException
+ {
+ try {
+ Object obj = ourClass.newInstance();
+
+ // NB: we use java.lang.reflect here to prevent confusion with
+ // the org.postgresql.Field
+ java.lang.reflect.Field f[] = ourClass.getDeclaredFields();
+ boolean hasOID=false;
+ int oidFIELD=-1;
+ StringBuffer sb = new StringBuffer("select");
+ char sep=' ';
+ for(int i=0;i<f.length;i++) {
+ String n = f[i].getName();
+ if(n.equals("oid")) {
+ hasOID=true;
+ oidFIELD=i;
+ }
+ sb.append(sep);
+ sb.append(n);
+ sep=',';
+ }
+ sb.append(" from ");
+ sb.append(tableName);
+ sb.append(" where oid=");
+ sb.append(oid);
+
+ DriverManager.println("store: "+sb.toString());
+ ResultSet rs = conn.ExecSQL(sb.toString());
+ if(rs!=null) {
+ if(rs.next()) {
+ for(int i=0;i<f.length;i++) {
+ f[i].set(obj,rs.getObject(i+1));
+ }
+ }
+ rs.close();
+ } else
+ throw new PSQLException("postgresql.unexpected");
+ return obj;
+ } catch(IllegalAccessException iae) {
+ throw new SQLException(iae.toString());
+ } catch(InstantiationException ie) {
+ throw new SQLException(ie.toString());
+ }
+ }
+
+ /**
+ * This stores an object into a table, returning it's OID.<p>
+ *
+ * If the object has an int called OID, and it is > 0, then
+ * that value is used for the OID, and the table will be updated.
+ * If the value of OID is 0, then a new row will be created, and the
+ * value of OID will be set in the object. This enables an object's
+ * value in the database to be updateable.
+ *
+ * If the object has no int called OID, then the object is stored. However
+ * if the object is later retrieved, amended and stored again, it's new
+ * state will be appended to the table, and will not overwrite the old
+ * entries.
+ *
+ * @param o Object to store (must implement Serializable)
+ * @return oid of stored object
+ * @exception SQLException on error
+ */
+ public int store(Object o) throws SQLException
+ {
+ try {
+ // NB: we use java.lang.reflect here to prevent confusion with
+ // the org.postgresql.Field
+ java.lang.reflect.Field f[] = ourClass.getDeclaredFields();
+ boolean hasOID=false;
+ int oidFIELD=-1;
+ boolean update=false;
+
+ // Find out if we have an oid value
+ for(int i=0;i<f.length;i++) {
+ String n = f[i].getName();
+ if(n.equals("oid")) {
+ hasOID=true;
+ oidFIELD=i;
+
+ // We are an update if oid != 0
+ update = f[i].getInt(o)>0;
+ }
+ }
+
+ StringBuffer sb = new StringBuffer(update?"update "+tableName+" set":"insert into "+tableName+" values ");
+ char sep=update?' ':'(';
+ for(int i=0;i<f.length;i++) {
+ String n = f[i].getName();
+ sb.append(sep);
+ sb.append(n);
+ sep=',';
+ if(update) {
+ sb.append('=');
+ if(f[i].getType().getName().equals("java.lang.String")) {
+ sb.append('\'');
+ sb.append(f[i].get(o).toString());
+ sb.append('\'');
+ } else
+ sb.append(f[i].get(o).toString());
+ }
+ }
+
+ if(!update) {
+ sb.append(") values ");
+ sep='(';
+ for(int i=0;i<f.length;i++) {
+ String n = f[i].getName();
+ if(f[i].getType().getName().equals("java.lang.String")) {
+ sb.append('\'');
+ sb.append(f[i].get(o).toString());
+ sb.append('\'');
+ } else
+ sb.append(f[i].get(o).toString());
+ }
+ sb.append(')');
+ }
+
+ DriverManager.println("store: "+sb.toString());
+ ResultSet rs = conn.ExecSQL(sb.toString());
+ if(rs!=null) {
+ rs.close();
+ }
+
+ // fetch the OID for returning
+ int oid=0;
+ if(hasOID) {
+ // set the oid in the object
+ f[oidFIELD].setInt(o,oid);
+ }
+ return oid;
+
+ } catch(IllegalAccessException iae) {
+ throw new SQLException(iae.toString());
+ }
+ }
+
+ /**
+ * This method is not used by the driver, but it creates a table, given
+ * a Serializable Java Object. It should be used before serializing any
+ * objects.
+ * @param c Connection to database
+ * @param o Object to base table on
+ * @exception SQLException on error
+ */
+ public static void create(org.postgresql.Connection con,Object o) throws SQLException
+ {
+ create(con,o.getClass());
+ }
+
+ /**
+ * This method is not used by the driver, but it creates a table, given
+ * a Serializable Java Object. It should be used before serializing any
+ * objects.
+ * @param c Connection to database
+ * @param o Class to base table on
+ * @exception SQLException on error
+ */
+ public static void create(org.postgresql.Connection con,Class c) throws SQLException
+ {
+ if(c.isInterface())
+ throw new PSQLException("postgresql.serial.interface");
+
+ // See if the table exists
+ String tableName = toPostgreSQL(c.getName());
+
+ ResultSet rs = con.ExecSQL("select relname from pg_class where relname = '"+tableName+"'");
+ if(!rs.next()) {
+ DriverManager.println("found "+rs.getString(1));
+ // No entries returned, so the table doesn't exist
+
+ StringBuffer sb = new StringBuffer("create table ");
+ sb.append(tableName);
+ char sep='(';
+
+ java.lang.reflect.Field[] fields = c.getDeclaredFields();
+ for(int i=0;i<fields.length;i++) {
+ Class type = fields[i].getType();
+
+ // oid is a special field
+ if(!fields[i].getName().equals("oid")) {
+ sb.append(sep);
+ sb.append(fields[i].getName());
+ sb.append(' ');
+ sep=',';
+
+ if(type.isArray()) {
+ // array handling
+ } else {
+ // convert the java type to org.postgresql, recursing if a class
+ // is found
+ String n = fields[i].getType().getName();
+ int j=0;
+ for(;j<tp.length && !tp[j][0].equals(n);j++);
+ if(j<tp.length)
+ sb.append(tp[j][1]);
+ else {
+ create(con,fields[i].getType());
+ sb.append(toPostgreSQL(n));
+ }
+ }
+ }
+ }
+ sb.append(")");
+
+ // Now create the table
+ DriverManager.println("Serialize.create:"+sb);
+ con.ExecSQL(sb.toString());
+ rs.close();
+ } else {
+ DriverManager.println("Serialize.create: table "+tableName+" exists, skipping");
+ }
+ }
+
+ // This is used to translate between Java primitives and PostgreSQL types.
+ private static final String tp[][] = {
+ {"boolean", "int1"},
+ {"double", "float8"},
+ {"float", "float4"},
+ {"int", "int4"},
+ {"long", "int4"},
+ {"short", "int2"},
+ {"java.lang.String", "text"},
+ {"java.lang.Integer", "int4"},
+ {"java.lang.Float", "float4"},
+ {"java.lang.Double", "float8"},
+ {"java.lang.Short", "int2"}
+ };
+
+ /**
+ * This converts a Java Class name to a org.postgresql table, by replacing . with
+ * _<p>
+ *
+ * Because of this, a Class name may not have _ in the name.<p>
+ * Another limitation, is that the entire class name (including packages)
+ * cannot be longer than 32 characters (a limit forced by PostgreSQL).
+ *
+ * @param name Class name
+ * @return PostgreSQL table name
+ * @exception SQLException on error
+ */
+ public static String toPostgreSQL(String name) throws SQLException
+ {
+ name = name.toLowerCase();
+
+ if(name.indexOf("_")>-1)
+ throw new PSQLException("postgresql.serial.underscore");
+
+ if(name.length()>32)
+ throw new PSQLException("postgresql.serial.namelength",name,new Integer(name.length()));
+
+ return name.replace('.','_');
+ }
+
+
+ /**
+ * This converts a org.postgresql table to a Java Class name, by replacing _ with
+ * .<p>
+ *
+ * @param name PostgreSQL table name
+ * @return Class name
+ * @exception SQLException on error
+ */
+ public static String toClassName(String name) throws SQLException
+ {
+ name = name.toLowerCase();
+ return name.replace('_','.');
+ }
+
+}
diff --git a/src/interfaces/jdbc/org/postgresql/util/UnixCrypt.java b/src/interfaces/jdbc/org/postgresql/util/UnixCrypt.java
new file mode 100644
index 00000000000..36c640c4b4e
--- /dev/null
+++ b/src/interfaces/jdbc/org/postgresql/util/UnixCrypt.java
@@ -0,0 +1,675 @@
+package org.postgresql.util;
+
+/**
+ * This class provides us with the ability to encrypt passwords when sent
+ * over the network stream
+ *
+ * <P>Contains static methods to encrypt and compare
+ * passwords with Unix encrypted passwords.</P>
+ *
+ * <P>See <A HREF="http://www.zeh.com/local/jfd/crypt.html">
+ * John Dumas's Java Crypt page</A> for the original source.</P>
+ *
+ * @author jdumas@zgs.com (John Dumas)
+ */
+public class UnixCrypt extends Object
+{
+ //
+ // Null constructor - can't instantiate class
+ private UnixCrypt()
+ {
+ }
+
+ private static final char[] saltChars =
+ ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./".toCharArray());
+
+ private static final int ITERATIONS = 16;
+
+ private static final int con_salt[] =
+ {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
+ 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
+ 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+ 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,
+ 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22,
+ 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24,
+ 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C,
+ 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34,
+ 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
+ 0x3D, 0x3E, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+
+ private static final boolean shifts2[] =
+ {
+ false, false, true, true, true, true, true, true,
+ false, true, true, true, true, true, true, false
+ };
+
+ private static final int skb[][] =
+ {
+ {
+ /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
+ 0x00000000, 0x00000010, 0x20000000, 0x20000010,
+ 0x00010000, 0x00010010, 0x20010000, 0x20010010,
+ 0x00000800, 0x00000810, 0x20000800, 0x20000810,
+ 0x00010800, 0x00010810, 0x20010800, 0x20010810,
+ 0x00000020, 0x00000030, 0x20000020, 0x20000030,
+ 0x00010020, 0x00010030, 0x20010020, 0x20010030,
+ 0x00000820, 0x00000830, 0x20000820, 0x20000830,
+ 0x00010820, 0x00010830, 0x20010820, 0x20010830,
+ 0x00080000, 0x00080010, 0x20080000, 0x20080010,
+ 0x00090000, 0x00090010, 0x20090000, 0x20090010,
+ 0x00080800, 0x00080810, 0x20080800, 0x20080810,
+ 0x00090800, 0x00090810, 0x20090800, 0x20090810,
+ 0x00080020, 0x00080030, 0x20080020, 0x20080030,
+ 0x00090020, 0x00090030, 0x20090020, 0x20090030,
+ 0x00080820, 0x00080830, 0x20080820, 0x20080830,
+ 0x00090820, 0x00090830, 0x20090820, 0x20090830,
+ },
+ {
+ /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */
+ 0x00000000, 0x02000000, 0x00002000, 0x02002000,
+ 0x00200000, 0x02200000, 0x00202000, 0x02202000,
+ 0x00000004, 0x02000004, 0x00002004, 0x02002004,
+ 0x00200004, 0x02200004, 0x00202004, 0x02202004,
+ 0x00000400, 0x02000400, 0x00002400, 0x02002400,
+ 0x00200400, 0x02200400, 0x00202400, 0x02202400,
+ 0x00000404, 0x02000404, 0x00002404, 0x02002404,
+ 0x00200404, 0x02200404, 0x00202404, 0x02202404,
+ 0x10000000, 0x12000000, 0x10002000, 0x12002000,
+ 0x10200000, 0x12200000, 0x10202000, 0x12202000,
+ 0x10000004, 0x12000004, 0x10002004, 0x12002004,
+ 0x10200004, 0x12200004, 0x10202004, 0x12202004,
+ 0x10000400, 0x12000400, 0x10002400, 0x12002400,
+ 0x10200400, 0x12200400, 0x10202400, 0x12202400,
+ 0x10000404, 0x12000404, 0x10002404, 0x12002404,
+ 0x10200404, 0x12200404, 0x10202404, 0x12202404,
+ },
+ {
+ /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */
+ 0x00000000, 0x00000001, 0x00040000, 0x00040001,
+ 0x01000000, 0x01000001, 0x01040000, 0x01040001,
+ 0x00000002, 0x00000003, 0x00040002, 0x00040003,
+ 0x01000002, 0x01000003, 0x01040002, 0x01040003,
+ 0x00000200, 0x00000201, 0x00040200, 0x00040201,
+ 0x01000200, 0x01000201, 0x01040200, 0x01040201,
+ 0x00000202, 0x00000203, 0x00040202, 0x00040203,
+ 0x01000202, 0x01000203, 0x01040202, 0x01040203,
+ 0x08000000, 0x08000001, 0x08040000, 0x08040001,
+ 0x09000000, 0x09000001, 0x09040000, 0x09040001,
+ 0x08000002, 0x08000003, 0x08040002, 0x08040003,
+ 0x09000002, 0x09000003, 0x09040002, 0x09040003,
+ 0x08000200, 0x08000201, 0x08040200, 0x08040201,
+ 0x09000200, 0x09000201, 0x09040200, 0x09040201,
+ 0x08000202, 0x08000203, 0x08040202, 0x08040203,
+ 0x09000202, 0x09000203, 0x09040202, 0x09040203,
+ },
+ {
+ /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */
+ 0x00000000, 0x00100000, 0x00000100, 0x00100100,
+ 0x00000008, 0x00100008, 0x00000108, 0x00100108,
+ 0x00001000, 0x00101000, 0x00001100, 0x00101100,
+ 0x00001008, 0x00101008, 0x00001108, 0x00101108,
+ 0x04000000, 0x04100000, 0x04000100, 0x04100100,
+ 0x04000008, 0x04100008, 0x04000108, 0x04100108,
+ 0x04001000, 0x04101000, 0x04001100, 0x04101100,
+ 0x04001008, 0x04101008, 0x04001108, 0x04101108,
+ 0x00020000, 0x00120000, 0x00020100, 0x00120100,
+ 0x00020008, 0x00120008, 0x00020108, 0x00120108,
+ 0x00021000, 0x00121000, 0x00021100, 0x00121100,
+ 0x00021008, 0x00121008, 0x00021108, 0x00121108,
+ 0x04020000, 0x04120000, 0x04020100, 0x04120100,
+ 0x04020008, 0x04120008, 0x04020108, 0x04120108,
+ 0x04021000, 0x04121000, 0x04021100, 0x04121100,
+ 0x04021008, 0x04121008, 0x04021108, 0x04121108,
+ },
+ {
+ /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
+ 0x00000000, 0x10000000, 0x00010000, 0x10010000,
+ 0x00000004, 0x10000004, 0x00010004, 0x10010004,
+ 0x20000000, 0x30000000, 0x20010000, 0x30010000,
+ 0x20000004, 0x30000004, 0x20010004, 0x30010004,
+ 0x00100000, 0x10100000, 0x00110000, 0x10110000,
+ 0x00100004, 0x10100004, 0x00110004, 0x10110004,
+ 0x20100000, 0x30100000, 0x20110000, 0x30110000,
+ 0x20100004, 0x30100004, 0x20110004, 0x30110004,
+ 0x00001000, 0x10001000, 0x00011000, 0x10011000,
+ 0x00001004, 0x10001004, 0x00011004, 0x10011004,
+ 0x20001000, 0x30001000, 0x20011000, 0x30011000,
+ 0x20001004, 0x30001004, 0x20011004, 0x30011004,
+ 0x00101000, 0x10101000, 0x00111000, 0x10111000,
+ 0x00101004, 0x10101004, 0x00111004, 0x10111004,
+ 0x20101000, 0x30101000, 0x20111000, 0x30111000,
+ 0x20101004, 0x30101004, 0x20111004, 0x30111004,
+ },
+ {
+ /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */
+ 0x00000000, 0x08000000, 0x00000008, 0x08000008,
+ 0x00000400, 0x08000400, 0x00000408, 0x08000408,
+ 0x00020000, 0x08020000, 0x00020008, 0x08020008,
+ 0x00020400, 0x08020400, 0x00020408, 0x08020408,
+ 0x00000001, 0x08000001, 0x00000009, 0x08000009,
+ 0x00000401, 0x08000401, 0x00000409, 0x08000409,
+ 0x00020001, 0x08020001, 0x00020009, 0x08020009,
+ 0x00020401, 0x08020401, 0x00020409, 0x08020409,
+ 0x02000000, 0x0A000000, 0x02000008, 0x0A000008,
+ 0x02000400, 0x0A000400, 0x02000408, 0x0A000408,
+ 0x02020000, 0x0A020000, 0x02020008, 0x0A020008,
+ 0x02020400, 0x0A020400, 0x02020408, 0x0A020408,
+ 0x02000001, 0x0A000001, 0x02000009, 0x0A000009,
+ 0x02000401, 0x0A000401, 0x02000409, 0x0A000409,
+ 0x02020001, 0x0A020001, 0x02020009, 0x0A020009,
+ 0x02020401, 0x0A020401, 0x02020409, 0x0A020409,
+ },
+ {
+ /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */
+ 0x00000000, 0x00000100, 0x00080000, 0x00080100,
+ 0x01000000, 0x01000100, 0x01080000, 0x01080100,
+ 0x00000010, 0x00000110, 0x00080010, 0x00080110,
+ 0x01000010, 0x01000110, 0x01080010, 0x01080110,
+ 0x00200000, 0x00200100, 0x00280000, 0x00280100,
+ 0x01200000, 0x01200100, 0x01280000, 0x01280100,
+ 0x00200010, 0x00200110, 0x00280010, 0x00280110,
+ 0x01200010, 0x01200110, 0x01280010, 0x01280110,
+ 0x00000200, 0x00000300, 0x00080200, 0x00080300,
+ 0x01000200, 0x01000300, 0x01080200, 0x01080300,
+ 0x00000210, 0x00000310, 0x00080210, 0x00080310,
+ 0x01000210, 0x01000310, 0x01080210, 0x01080310,
+ 0x00200200, 0x00200300, 0x00280200, 0x00280300,
+ 0x01200200, 0x01200300, 0x01280200, 0x01280300,
+ 0x00200210, 0x00200310, 0x00280210, 0x00280310,
+ 0x01200210, 0x01200310, 0x01280210, 0x01280310,
+ },
+ {
+ /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */
+ 0x00000000, 0x04000000, 0x00040000, 0x04040000,
+ 0x00000002, 0x04000002, 0x00040002, 0x04040002,
+ 0x00002000, 0x04002000, 0x00042000, 0x04042000,
+ 0x00002002, 0x04002002, 0x00042002, 0x04042002,
+ 0x00000020, 0x04000020, 0x00040020, 0x04040020,
+ 0x00000022, 0x04000022, 0x00040022, 0x04040022,
+ 0x00002020, 0x04002020, 0x00042020, 0x04042020,
+ 0x00002022, 0x04002022, 0x00042022, 0x04042022,
+ 0x00000800, 0x04000800, 0x00040800, 0x04040800,
+ 0x00000802, 0x04000802, 0x00040802, 0x04040802,
+ 0x00002800, 0x04002800, 0x00042800, 0x04042800,
+ 0x00002802, 0x04002802, 0x00042802, 0x04042802,
+ 0x00000820, 0x04000820, 0x00040820, 0x04040820,
+ 0x00000822, 0x04000822, 0x00040822, 0x04040822,
+ 0x00002820, 0x04002820, 0x00042820, 0x04042820,
+ 0x00002822, 0x04002822, 0x00042822, 0x04042822,
+ },
+ };
+
+ private static final int SPtrans[][] =
+ {
+ {
+ /* nibble 0 */
+ 0x00820200, 0x00020000, 0x80800000, 0x80820200,
+ 0x00800000, 0x80020200, 0x80020000, 0x80800000,
+ 0x80020200, 0x00820200, 0x00820000, 0x80000200,
+ 0x80800200, 0x00800000, 0x00000000, 0x80020000,
+ 0x00020000, 0x80000000, 0x00800200, 0x00020200,
+ 0x80820200, 0x00820000, 0x80000200, 0x00800200,
+ 0x80000000, 0x00000200, 0x00020200, 0x80820000,
+ 0x00000200, 0x80800200, 0x80820000, 0x00000000,
+ 0x00000000, 0x80820200, 0x00800200, 0x80020000,
+ 0x00820200, 0x00020000, 0x80000200, 0x00800200,
+ 0x80820000, 0x00000200, 0x00020200, 0x80800000,
+ 0x80020200, 0x80000000, 0x80800000, 0x00820000,
+ 0x80820200, 0x00020200, 0x00820000, 0x80800200,
+ 0x00800000, 0x80000200, 0x80020000, 0x00000000,
+ 0x00020000, 0x00800000, 0x80800200, 0x00820200,
+ 0x80000000, 0x80820000, 0x00000200, 0x80020200,
+ },
+ {
+ /* nibble 1 */
+ 0x10042004, 0x00000000, 0x00042000, 0x10040000,
+ 0x10000004, 0x00002004, 0x10002000, 0x00042000,
+ 0x00002000, 0x10040004, 0x00000004, 0x10002000,
+ 0x00040004, 0x10042000, 0x10040000, 0x00000004,
+ 0x00040000, 0x10002004, 0x10040004, 0x00002000,
+ 0x00042004, 0x10000000, 0x00000000, 0x00040004,
+ 0x10002004, 0x00042004, 0x10042000, 0x10000004,
+ 0x10000000, 0x00040000, 0x00002004, 0x10042004,
+ 0x00040004, 0x10042000, 0x10002000, 0x00042004,
+ 0x10042004, 0x00040004, 0x10000004, 0x00000000,
+ 0x10000000, 0x00002004, 0x00040000, 0x10040004,
+ 0x00002000, 0x10000000, 0x00042004, 0x10002004,
+ 0x10042000, 0x00002000, 0x00000000, 0x10000004,
+ 0x00000004, 0x10042004, 0x00042000, 0x10040000,
+ 0x10040004, 0x00040000, 0x00002004, 0x10002000,
+ 0x10002004, 0x00000004, 0x10040000, 0x00042000,
+ },
+ {
+ /* nibble 2 */
+ 0x41000000, 0x01010040, 0x00000040, 0x41000040,
+ 0x40010000, 0x01000000, 0x41000040, 0x00010040,
+ 0x01000040, 0x00010000, 0x01010000, 0x40000000,
+ 0x41010040, 0x40000040, 0x40000000, 0x41010000,
+ 0x00000000, 0x40010000, 0x01010040, 0x00000040,
+ 0x40000040, 0x41010040, 0x00010000, 0x41000000,
+ 0x41010000, 0x01000040, 0x40010040, 0x01010000,
+ 0x00010040, 0x00000000, 0x01000000, 0x40010040,
+ 0x01010040, 0x00000040, 0x40000000, 0x00010000,
+ 0x40000040, 0x40010000, 0x01010000, 0x41000040,
+ 0x00000000, 0x01010040, 0x00010040, 0x41010000,
+ 0x40010000, 0x01000000, 0x41010040, 0x40000000,
+ 0x40010040, 0x41000000, 0x01000000, 0x41010040,
+ 0x00010000, 0x01000040, 0x41000040, 0x00010040,
+ 0x01000040, 0x00000000, 0x41010000, 0x40000040,
+ 0x41000000, 0x40010040, 0x00000040, 0x01010000,
+ },
+ {
+ /* nibble 3 */
+ 0x00100402, 0x04000400, 0x00000002, 0x04100402,
+ 0x00000000, 0x04100000, 0x04000402, 0x00100002,
+ 0x04100400, 0x04000002, 0x04000000, 0x00000402,
+ 0x04000002, 0x00100402, 0x00100000, 0x04000000,
+ 0x04100002, 0x00100400, 0x00000400, 0x00000002,
+ 0x00100400, 0x04000402, 0x04100000, 0x00000400,
+ 0x00000402, 0x00000000, 0x00100002, 0x04100400,
+ 0x04000400, 0x04100002, 0x04100402, 0x00100000,
+ 0x04100002, 0x00000402, 0x00100000, 0x04000002,
+ 0x00100400, 0x04000400, 0x00000002, 0x04100000,
+ 0x04000402, 0x00000000, 0x00000400, 0x00100002,
+ 0x00000000, 0x04100002, 0x04100400, 0x00000400,
+ 0x04000000, 0x04100402, 0x00100402, 0x00100000,
+ 0x04100402, 0x00000002, 0x04000400, 0x00100402,
+ 0x00100002, 0x00100400, 0x04100000, 0x04000402,
+ 0x00000402, 0x04000000, 0x04000002, 0x04100400,
+ },
+ {
+ /* nibble 4 */
+ 0x02000000, 0x00004000, 0x00000100, 0x02004108,
+ 0x02004008, 0x02000100, 0x00004108, 0x02004000,
+ 0x00004000, 0x00000008, 0x02000008, 0x00004100,
+ 0x02000108, 0x02004008, 0x02004100, 0x00000000,
+ 0x00004100, 0x02000000, 0x00004008, 0x00000108,
+ 0x02000100, 0x00004108, 0x00000000, 0x02000008,
+ 0x00000008, 0x02000108, 0x02004108, 0x00004008,
+ 0x02004000, 0x00000100, 0x00000108, 0x02004100,
+ 0x02004100, 0x02000108, 0x00004008, 0x02004000,
+ 0x00004000, 0x00000008, 0x02000008, 0x02000100,
+ 0x02000000, 0x00004100, 0x02004108, 0x00000000,
+ 0x00004108, 0x02000000, 0x00000100, 0x00004008,
+ 0x02000108, 0x00000100, 0x00000000, 0x02004108,
+ 0x02004008, 0x02004100, 0x00000108, 0x00004000,
+ 0x00004100, 0x02004008, 0x02000100, 0x00000108,
+ 0x00000008, 0x00004108, 0x02004000, 0x02000008,
+ },
+ {
+ /* nibble 5 */
+ 0x20000010, 0x00080010, 0x00000000, 0x20080800,
+ 0x00080010, 0x00000800, 0x20000810, 0x00080000,
+ 0x00000810, 0x20080810, 0x00080800, 0x20000000,
+ 0x20000800, 0x20000010, 0x20080000, 0x00080810,
+ 0x00080000, 0x20000810, 0x20080010, 0x00000000,
+ 0x00000800, 0x00000010, 0x20080800, 0x20080010,
+ 0x20080810, 0x20080000, 0x20000000, 0x00000810,
+ 0x00000010, 0x00080800, 0x00080810, 0x20000800,
+ 0x00000810, 0x20000000, 0x20000800, 0x00080810,
+ 0x20080800, 0x00080010, 0x00000000, 0x20000800,
+ 0x20000000, 0x00000800, 0x20080010, 0x00080000,
+ 0x00080010, 0x20080810, 0x00080800, 0x00000010,
+ 0x20080810, 0x00080800, 0x00080000, 0x20000810,
+ 0x20000010, 0x20080000, 0x00080810, 0x00000000,
+ 0x00000800, 0x20000010, 0x20000810, 0x20080800,
+ 0x20080000, 0x00000810, 0x00000010, 0x20080010,
+ },
+ {
+ /* nibble 6 */
+ 0x00001000, 0x00000080, 0x00400080, 0x00400001,
+ 0x00401081, 0x00001001, 0x00001080, 0x00000000,
+ 0x00400000, 0x00400081, 0x00000081, 0x00401000,
+ 0x00000001, 0x00401080, 0x00401000, 0x00000081,
+ 0x00400081, 0x00001000, 0x00001001, 0x00401081,
+ 0x00000000, 0x00400080, 0x00400001, 0x00001080,
+ 0x00401001, 0x00001081, 0x00401080, 0x00000001,
+ 0x00001081, 0x00401001, 0x00000080, 0x00400000,
+ 0x00001081, 0x00401000, 0x00401001, 0x00000081,
+ 0x00001000, 0x00000080, 0x00400000, 0x00401001,
+ 0x00400081, 0x00001081, 0x00001080, 0x00000000,
+ 0x00000080, 0x00400001, 0x00000001, 0x00400080,
+ 0x00000000, 0x00400081, 0x00400080, 0x00001080,
+ 0x00000081, 0x00001000, 0x00401081, 0x00400000,
+ 0x00401080, 0x00000001, 0x00001001, 0x00401081,
+ 0x00400001, 0x00401080, 0x00401000, 0x00001001,
+ },
+ {
+ /* nibble 7 */
+ 0x08200020, 0x08208000, 0x00008020, 0x00000000,
+ 0x08008000, 0x00200020, 0x08200000, 0x08208020,
+ 0x00000020, 0x08000000, 0x00208000, 0x00008020,
+ 0x00208020, 0x08008020, 0x08000020, 0x08200000,
+ 0x00008000, 0x00208020, 0x00200020, 0x08008000,
+ 0x08208020, 0x08000020, 0x00000000, 0x00208000,
+ 0x08000000, 0x00200000, 0x08008020, 0x08200020,
+ 0x00200000, 0x00008000, 0x08208000, 0x00000020,
+ 0x00200000, 0x00008000, 0x08000020, 0x08208020,
+ 0x00008020, 0x08000000, 0x00000000, 0x00208000,
+ 0x08200020, 0x08008020, 0x08008000, 0x00200020,
+ 0x08208000, 0x00000020, 0x00200020, 0x08008000,
+ 0x08208020, 0x00200000, 0x08200000, 0x08000020,
+ 0x00208000, 0x00008020, 0x08008020, 0x08200000,
+ 0x00000020, 0x08208000, 0x00208020, 0x00000000,
+ 0x08000000, 0x08200020, 0x00008000, 0x00208020
+ }
+ };
+
+ private static final int cov_2char[] =
+ {
+ 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
+ 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
+ 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
+ 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
+ 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
+ 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
+ 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
+ };
+
+ private static final int byteToUnsigned(byte b)
+ {
+ int value = (int)b;
+
+ return(value >= 0 ? value : value + 256);
+ }
+
+ private static int fourBytesToInt(byte b[], int offset)
+ {
+ int value;
+
+ value = byteToUnsigned(b[offset++]);
+ value |= (byteToUnsigned(b[offset++]) << 8);
+ value |= (byteToUnsigned(b[offset++]) << 16);
+ value |= (byteToUnsigned(b[offset++]) << 24);
+
+ return(value);
+ }
+
+ private static final void intToFourBytes(int iValue, byte b[], int offset)
+ {
+ b[offset++] = (byte)((iValue) & 0xff);
+ b[offset++] = (byte)((iValue >>> 8 ) & 0xff);
+ b[offset++] = (byte)((iValue >>> 16) & 0xff);
+ b[offset++] = (byte)((iValue >>> 24) & 0xff);
+ }
+
+ private static final void PERM_OP(int a, int b, int n, int m, int results[])
+ {
+ int t;
+
+ t = ((a >>> n) ^ b) & m;
+ a ^= t << n;
+ b ^= t;
+
+ results[0] = a;
+ results[1] = b;
+ }
+
+ private static final int HPERM_OP(int a, int n, int m)
+ {
+ int t;
+
+ t = ((a << (16 - n)) ^ a) & m;
+ a = a ^ t ^ (t >>> (16 - n));
+
+ return(a);
+ }
+
+ private static int [] des_set_key(byte key[])
+ {
+ int schedule[] = new int[ITERATIONS * 2];
+
+ int c = fourBytesToInt(key, 0);
+ int d = fourBytesToInt(key, 4);
+
+ int results[] = new int[2];
+
+ PERM_OP(d, c, 4, 0x0f0f0f0f, results);
+ d = results[0]; c = results[1];
+
+ c = HPERM_OP(c, -2, 0xcccc0000);
+ d = HPERM_OP(d, -2, 0xcccc0000);
+
+ PERM_OP(d, c, 1, 0x55555555, results);
+ d = results[0]; c = results[1];
+
+ PERM_OP(c, d, 8, 0x00ff00ff, results);
+ c = results[0]; d = results[1];
+
+ PERM_OP(d, c, 1, 0x55555555, results);
+ d = results[0]; c = results[1];
+
+ d = (((d & 0x000000ff) << 16) | (d & 0x0000ff00) |
+ ((d & 0x00ff0000) >>> 16) | ((c & 0xf0000000) >>> 4));
+ c &= 0x0fffffff;
+
+ int s, t;
+ int j = 0;
+
+ for(int i = 0; i < ITERATIONS; i ++)
+ {
+ if(shifts2[i])
+ {
+ c = (c >>> 2) | (c << 26);
+ d = (d >>> 2) | (d << 26);
+ }
+ else
+ {
+ c = (c >>> 1) | (c << 27);
+ d = (d >>> 1) | (d << 27);
+ }
+
+ c &= 0x0fffffff;
+ d &= 0x0fffffff;
+
+ s = skb[0][ (c ) & 0x3f ]|
+ skb[1][((c >>> 6) & 0x03) | ((c >>> 7) & 0x3c)]|
+ skb[2][((c >>> 13) & 0x0f) | ((c >>> 14) & 0x30)]|
+ skb[3][((c >>> 20) & 0x01) | ((c >>> 21) & 0x06) |
+ ((c >>> 22) & 0x38)];
+
+ t = skb[4][ (d ) & 0x3f ]|
+ skb[5][((d >>> 7) & 0x03) | ((d >>> 8) & 0x3c)]|
+ skb[6][ (d >>>15) & 0x3f ]|
+ skb[7][((d >>>21) & 0x0f) | ((d >>> 22) & 0x30)];
+
+ schedule[j++] = ((t << 16) | (s & 0x0000ffff)) & 0xffffffff;
+ s = ((s >>> 16) | (t & 0xffff0000));
+
+ s = (s << 4) | (s >>> 28);
+ schedule[j++] = s & 0xffffffff;
+ }
+ return(schedule);
+ }
+
+ private static final int D_ENCRYPT
+ (
+ int L, int R, int S, int E0, int E1, int s[]
+ )
+ {
+ int t, u, v;
+
+ v = R ^ (R >>> 16);
+ u = v & E0;
+ v = v & E1;
+ u = (u ^ (u << 16)) ^ R ^ s[S];
+ t = (v ^ (v << 16)) ^ R ^ s[S + 1];
+ t = (t >>> 4) | (t << 28);
+
+ L ^= SPtrans[1][(t ) & 0x3f] |
+ SPtrans[3][(t >>> 8) & 0x3f] |
+ SPtrans[5][(t >>> 16) & 0x3f] |
+ SPtrans[7][(t >>> 24) & 0x3f] |
+ SPtrans[0][(u ) & 0x3f] |
+ SPtrans[2][(u >>> 8) & 0x3f] |
+ SPtrans[4][(u >>> 16) & 0x3f] |
+ SPtrans[6][(u >>> 24) & 0x3f];
+
+ return(L);
+ }
+
+ private static final int [] body(int schedule[], int Eswap0, int Eswap1)
+ {
+ int left = 0;
+ int right = 0;
+ int t = 0;
+
+ for(int j = 0; j < 25; j ++)
+ {
+ for(int i = 0; i < ITERATIONS * 2; i += 4)
+ {
+ left = D_ENCRYPT(left, right, i, Eswap0, Eswap1, schedule);
+ right = D_ENCRYPT(right, left, i + 2, Eswap0, Eswap1, schedule);
+ }
+ t = left;
+ left = right;
+ right = t;
+ }
+
+ t = right;
+
+ right = (left >>> 1) | (left << 31);
+ left = (t >>> 1) | (t << 31);
+
+ left &= 0xffffffff;
+ right &= 0xffffffff;
+
+ int results[] = new int[2];
+
+ PERM_OP(right, left, 1, 0x55555555, results);
+ right = results[0]; left = results[1];
+
+ PERM_OP(left, right, 8, 0x00ff00ff, results);
+ left = results[0]; right = results[1];
+
+ PERM_OP(right, left, 2, 0x33333333, results);
+ right = results[0]; left = results[1];
+
+ PERM_OP(left, right, 16, 0x0000ffff, results);
+ left = results[0]; right = results[1];
+
+ PERM_OP(right, left, 4, 0x0f0f0f0f, results);
+ right = results[0]; left = results[1];
+
+ int out[] = new int[2];
+
+ out[0] = left; out[1] = right;
+
+ return(out);
+ }
+
+ /**
+ * <P>Encrypt a password given the cleartext password and a "salt".</P>
+ * @param salt A two-character string representing the salt used to
+ * iterate the encryption engine in lots of different ways. If you
+ * are generating a new encryption then this value should be
+ * randomised.
+ * @param original The password to be encrypted.
+ * @return A string consisting of the 2-character salt followed by the
+ * encrypted password.
+ */
+ public static final String crypt(String salt, String original)
+ {
+ while(salt.length() < 2)
+ salt += "A";
+
+ StringBuffer buffer = new StringBuffer(" ");
+
+ char charZero = salt.charAt(0);
+ char charOne = salt.charAt(1);
+
+ buffer.setCharAt(0, charZero);
+ buffer.setCharAt(1, charOne);
+
+ int Eswap0 = con_salt[(int)charZero];
+ int Eswap1 = con_salt[(int)charOne] << 4;
+
+ byte key[] = new byte[8];
+
+ for(int i = 0; i < key.length; i ++)
+ key[i] = (byte)0;
+
+ for(int i = 0; i < key.length && i < original.length(); i ++)
+ {
+ int iChar = (int)original.charAt(i);
+
+ key[i] = (byte)(iChar << 1);
+ }
+
+ int schedule[] = des_set_key(key);
+ int out[] = body(schedule, Eswap0, Eswap1);
+
+ byte b[] = new byte[9];
+
+ intToFourBytes(out[0], b, 0);
+ intToFourBytes(out[1], b, 4);
+ b[8] = 0;
+
+ for(int i = 2, y = 0, u = 0x80; i < 13; i ++)
+ {
+ for(int j = 0, c = 0; j < 6; j ++)
+ {
+ c <<= 1;
+
+ if(((int)b[y] & u) != 0)
+ c |= 1;
+
+ u >>>= 1;
+
+ if(u == 0)
+ {
+ y++;
+ u = 0x80;
+ }
+ buffer.setCharAt(i, (char)cov_2char[c]);
+ }
+ }
+ return(buffer.toString());
+ }
+
+ /**
+ * <P>Encrypt a password given the cleartext password. This method
+ * generates a random salt using the 'java.util.Random' class.</P>
+ * @param original The password to be encrypted.
+ * @return A string consisting of the 2-character salt followed by the
+ * encrypted password.
+ */
+ public static final String crypt(String original)
+ {
+ java.util.Random randomGenerator = new java.util.Random();
+ int numSaltChars = saltChars.length;
+ String salt;
+
+ salt = (new StringBuffer()).append(saltChars[Math.abs(randomGenerator.nextInt()) % numSaltChars]).append(saltChars[Math.abs(randomGenerator.nextInt()) % numSaltChars]).toString();
+
+ return crypt(salt, original);
+ }
+
+ /**
+ * <P>Check that <I>enteredPassword</I> encrypts to
+ * <I>encryptedPassword</I>.</P>
+ * @param encryptedPassword The <I>encryptedPassword</I>. The first
+ * two characters are assumed to be the salt. This string would
+ * be the same as one found in a Unix <U>/etc/passwd</U> file.
+ * @param enteredPassword The password as entered by the user (or
+ * otherwise aquired).
+ * @return <B>true</B> if the password should be considered correct.
+ */
+ public final static boolean matches(String encryptedPassword, String enteredPassword)
+ {
+ String salt = encryptedPassword.substring(0, 3);
+ String newCrypt = crypt(salt, enteredPassword);
+
+ return newCrypt.equals(encryptedPassword);
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-22 22:51:48 +0000