Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1105 insertions, 0 deletions

diff --git a/libkpgp/kpgpbase2.cpp b/libkpgp/kpgpbase2.cpp
new file mode 100644
index 00000000..c4fd0358
--- /dev/null
+++ b/libkpgp/kpgpbase2.cpp
@@ -0,0 +1,1105 @@
+/*
+    kpgpbase2.cpp
+
+    Copyright (C) 2001,2002 the KPGP authors
+    See file AUTHORS.kpgp for details
+
+    This file is part of KPGP, the KDE PGP/GnuPG support library.
+
+    KPGP is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "kpgpbase.h"
+#include "kpgp.h"
+
+#include <string.h> /* strncmp */
+#include <assert.h>
+
+#include <qdatetime.h>
+
+#include <klocale.h>
+#include <kprocess.h>
+#include <kdebug.h>
+
+#define PGP2 "pgp"
+
+namespace Kpgp {
+
+Base2::Base2()
+  : Base()
+{
+}
+
+
+Base2::~Base2()
+{
+}
+
+
+int
+Base2::encrypt( Block& block, const KeyIDList& recipients )
+{
+  return encsign( block, recipients, 0 );
+}
+
+
+int
+Base2::clearsign( Block& block, const char *passphrase )
+{
+  return encsign( block, KeyIDList(), passphrase );
+}
+
+
+int
+Base2::encsign( Block& block, const KeyIDList& recipients,
+                const char *passphrase )
+{
+  QCString cmd;
+  int exitStatus = 0;
+
+  if(!recipients.isEmpty() && passphrase != 0)
+    cmd = PGP2 " +batchmode +language=en +verbose=1 -seat";
+  else if(!recipients.isEmpty())
+    cmd = PGP2 " +batchmode +language=en +verbose=1 -eat";
+  else if(passphrase != 0)
+    cmd = PGP2 " +batchmode +language=en +verbose=1 -sat";
+  else
+  {
+    kdDebug(5100) << "kpgpbase: Neither recipients nor passphrase specified." << endl;
+    return OK;
+  }
+
+  if(passphrase != 0)
+    cmd += addUserId();
+
+  if(!recipients.isEmpty()) {
+    if(Module::getKpgp()->encryptToSelf())
+    {
+      cmd += " 0x";
+      cmd += Module::getKpgp()->user();
+    }
+
+    for( KeyIDList::ConstIterator it = recipients.begin();
+         it != recipients.end(); ++it ) {
+      cmd += " 0x";
+      cmd += (*it);
+    }
+  }
+  cmd += " -f";
+
+  clear();
+  input = block.text();
+  exitStatus = run(cmd.data(), passphrase);
+  if( !output.isEmpty() )
+    block.setProcessedText( output );
+  block.setError( error );
+
+  if(exitStatus != 0)
+    status = ERROR;
+
+#if 0
+  // #### FIXME: As we check the keys ourselves the following problems
+  //             shouldn't occur. Therefore I don't handle them for now.
+  //             IK 01/2002
+  if(!recipients.isEmpty())
+  {
+    int index = 0;
+    bool bad = FALSE;
+    unsigned int num = 0;
+    QCString badkeys = "";
+    if (error.find("Cannot find the public key") != -1)
+    {
+      index = 0;
+      num = 0;
+      while((index = error.find("Cannot find the public key",index))
+	    != -1)
+      {
+        bad = TRUE;
+        index = error.find('\'',index);
+        int index2 = error.find('\'',index+1);
+        if (num++)
+          badkeys += ", ";
+        badkeys += error.mid(index, index2-index+1);
+      }
+      if(bad)
+      {
+        badkeys.stripWhiteSpace();
+        if(num == recipients.count())
+	  errMsg = i18n("Could not find public keys matching the userid(s)\n"
+                        "%1;\n"
+                        "the message is not encrypted.")
+                       .arg( badkeys.data() );
+        else
+          errMsg = i18n("Could not find public keys matching the userid(s)\n"
+                        "%1;\n"
+                        "these persons will not be able to read the message.")
+                       .arg( badkeys.data() );
+        status |= MISSINGKEY;
+        status |= ERROR;
+      }
+    }
+    if (error.find("skipping userid") != -1)
+    {
+      index = 0;
+      num = 0;
+      while((index = error.find("skipping userid",index))
+	    != -1)
+      {
+        bad = TRUE;
+        int index2 = error.find('\n',index+16);
+        if (num++)
+          badkeys += ", ";
+        badkeys += error.mid(index+16, index2-index-16);
+        index = index2;
+      }
+      if(bad)
+      {
+        badkeys.stripWhiteSpace();
+        if(num == recipients.count())
+	  errMsg = i18n("Public keys not certified with trusted signature "
+                        "for userid(s)\n"
+                        "%1.\n"
+                        "The message is not encrypted.")
+                       .arg( badkeys.data() );
+        else
+	  errMsg = i18n("Public keys not certified with trusted signature "
+                        "for userid(s)\n"
+                        "%1;\n"
+                        "these persons will not be able to read the message.")
+                       .arg( badkeys.data() );
+        status |= BADKEYS;
+        status |= ERROR;
+        return status;
+      }
+    }
+  }
+#endif
+  if(passphrase != 0)
+  {
+    if(error.find("Pass phrase is good") != -1)
+    {
+      //kdDebug(5100) << "Base: Good Passphrase!" << endl;
+      status |= SIGNED;
+    }
+    if( error.find("Bad pass phrase") != -1)
+    {
+      errMsg = i18n("Bad passphrase; could not sign.");
+      status |= BADPHRASE;
+      status |= ERR_SIGNING;
+      status |= ERROR;
+    }
+  }
+  if (error.find("Signature error") != -1)
+  {
+    errMsg = i18n("Signing failed: please check your PGP User Identity, "
+                  "the PGP setup, and the key rings.");
+    status |= NO_SEC_KEY;
+    status |= ERR_SIGNING;
+    status |= ERROR;
+  }
+  if (error.find("Encryption error") != -1)
+  {
+    errMsg = i18n("Encryption failed: please check your PGP setup "
+                  "and the key rings.");
+    status |= NO_SEC_KEY;
+    status |= BADKEYS;
+    status |= ERROR;
+  }
+
+  //kdDebug(5100) << "status = " << status << endl;
+  block.setStatus( status );
+  return status;
+}
+
+
+int
+Base2::decrypt( Block& block, const char *passphrase )
+{
+  int index, index2;
+  int exitStatus = 0;
+
+  clear();
+  input = block.text();
+  exitStatus = run(PGP2 " +batchmode +language=en -f", passphrase);
+  if( !output.isEmpty() )
+    block.setProcessedText( output );
+  block.setError( error );
+
+  // pgp2.6 has sometimes problems with the ascii armor pgp5.0 produces
+  // this hack can solve parts of the problem
+  if(error.find("ASCII armor corrupted.") != -1)
+  {
+    kdDebug(5100) << "removing ASCII armor header" << endl;
+    int index1 = input.find("-----BEGIN PGP SIGNED MESSAGE-----");
+    if(index1 != -1)
+      index1 = input.find("-----BEGIN PGP SIGNATURE-----", index1);
+    else
+      index1 = input.find("-----BEGIN PGP MESSAGE-----");
+    index1 = input.find('\n', index1);
+    index2 = input.find("\n\n", index1);
+    input.remove(index1, index2 - index1);
+    exitStatus = run(PGP2 " +batchmode +language=en -f", passphrase);
+    if( !output.isEmpty() )
+      block.setProcessedText( output );
+    block.setError( error );
+  }
+
+  if(exitStatus == -1) {
+    errMsg = i18n("error running PGP");
+    status = RUN_ERR;
+    block.setStatus( status );
+    return status;
+  }
+
+  /* Example No.1 (PGP 2.6.3in):
+   * File is encrypted.  Secret key is required to read it.
+   * Key for user ID: Test Key (only for testing) <testkey@ingo-kloecker.de>
+   * 1024-bit key, key ID E2D074D3, created 2001/09/09
+   *
+   * Error:  Bad pass phrase.
+   *
+   * This message can only be read by:
+   *   Test key without secret key (for testing only) <nosectestkey@ingo-kloecker.de>
+   *   Test Key (only for testing) <testkey@ingo-kloecker.de>
+   *
+   * You do not have the secret key needed to decrypt this file.
+   */
+  /* Example No.2 (PGP 2.6.3in):
+   * File is encrypted.  Secret key is required to read it.
+   * This message can only be read by:
+   *   Test key without secret key (for testing only) <nosectestkey@ingo-kloecker.de>
+   *
+   * You do not have the secret key needed to decrypt this file.
+   */
+  if(error.find("File is encrypted.") != -1)
+  {
+    //kdDebug(5100) << "kpgpbase: message is encrypted" << endl;
+    status |= ENCRYPTED;
+    if((index = error.find("Key for user ID:")) != -1)
+    {
+      // Find out the key for which the phrase is needed
+      index  += 17;
+      index2 = error.find('\n', index);
+      block.setRequiredUserId( error.mid(index, index2 - index) );
+      //kdDebug(5100) << "Base: key needed is \"" << block.requiredUserId() << "\"!\n";
+
+      if((passphrase != 0) && (error.find("Bad pass phrase") != -1))
+      {
+        errMsg = i18n("Bad passphrase; could not decrypt.");
+        kdDebug(5100) << "Base: passphrase is bad" << endl;
+        status |= BADPHRASE;
+        status |= ERROR;
+      }
+    }
+    else
+    {
+      // no secret key fitting this message
+      status |= NO_SEC_KEY;
+      status |= ERROR;
+      errMsg = i18n("You do not have the secret key needed to decrypt this message.");
+      kdDebug(5100) << "Base: no secret key for this message" << endl;
+    }
+    // check for persons
+#if 0
+    // ##### FIXME: This information is anyway currently not used
+    //       I'll change it to always determine the recipients.
+    index = error.find("can only be read by:");
+    if(index != -1)
+    {
+      index = error.find('\n',index);
+      int end = error.find("\n\n",index);
+
+      mRecipients.clear();
+      while( (index2 = error.find('\n',index+1)) <= end )
+      {
+	QCString item = error.mid(index+1,index2-index-1);
+	item.stripWhiteSpace();
+	mRecipients.append(item);
+	index = index2;
+      }
+    }
+#endif
+  }
+
+  // handle signed message
+
+  // Examples (made with PGP 2.6.3in)
+  /* Example No. 1 (signed with unknown key):
+   * File has signature.  Public key is required to check signature.
+   *
+   * Key matching expected Key ID 12345678 not found in file '/home/user/.pgp/pubring.pgp'.
+   *
+   * WARNING: Can't find the right public key-- can't check signature integrity.
+   */
+  /* Example No. 2 (bad signature):
+   * File has signature.  Public key is required to check signature.
+   * ..
+   * WARNING: Bad signature, doesn't match file contents!
+   *
+   * Bad signature from user "Joe User <joe@foo.bar>".
+   * Signature made 2001/09/09 16:01 GMT using 1024-bit key, key ID 12345678
+   */
+  /* Example No. 3.1 (good signature with untrusted key):
+   * File has signature.  Public key is required to check signature.
+   * .
+   * Good signature from user "Joe User <joe@foo.bar>".
+   * Signature made 2001/09/09 16:01 GMT using 1024-bit key, key ID 12345678
+   *
+   * WARNING:  Because this public key is not certified with a trusted
+   * signature, it is not known with high confidence that this public key
+   * actually belongs to: "Joe User <joe@foo.bar>".
+   */
+  /* Example No. 3.2 (good signature with untrusted key):
+   * File has signature.  Public key is required to check signature.
+   * .
+   * Good signature from user "Joe User <joe@foo.bar>".
+   * Signature made 2001/09/09 16:01 GMT using 1024-bit key, key ID 12345678
+   *
+   * WARNING:  Because this public key is not certified with enough trusted
+   * signatures, it is not known with high confidence that this public key
+   * actually belongs to: "Joe User <joe@foo.bar>".
+   */
+  /* Example No. 4 (good signature with revoked key):
+   * File has signature.  Public key is required to check signature.
+   * .
+   * Good signature from user "Joe User <joe@foo.bar>".
+   * Signature made 2001/09/09 16:01 GMT using 1024-bit key, key ID 12345678
+   *
+   *
+   * Key for user ID: Joe User <joe@foo.bar>
+   * 1024-bit key, key ID 12345678, created 2001/09/09
+   * Key has been revoked.
+   *
+   * WARNING:  This key has been revoked by its owner,
+   * possibly because the secret key was compromised.
+   * This could mean that this signature is a forgery.
+   */
+  /* Example No. 5 (good signature with trusted key):
+   * File has signature.  Public key is required to check signature.
+   * .
+   * Good signature from user "Joe User <joe@foo.bar>".
+   * Signature made 2001/09/09 16:01 GMT using 1024-bit key, key ID 12345678
+   */
+
+  if((index = error.find("File has signature")) != -1)
+  {
+    // move index to start of next line
+    index = error.find('\n', index+18) + 1;
+    //kdDebug(5100) << "Base: message is signed" << endl;
+    status |= SIGNED;
+    // get signature date and signature key ID
+    if ((index2 = error.find("Signature made", index)) != -1) {
+      index2 += 15;
+      int index3 = error.find("using", index2);
+      block.setSignatureDate( error.mid(index2, index3-index2-1) );
+      kdDebug(5100) << "Message was signed on '" << block.signatureDate() << "'\n";
+      index3 = error.find("key ID ", index3) + 7;
+      block.setSignatureKeyId( error.mid(index3,8) );
+      kdDebug(5100) << "Message was signed with key '" << block.signatureKeyId() << "'\n";
+    }
+    else {
+      // if pgp can't find the keyring it unfortunately doesn't print
+      // the signature date and key ID
+      block.setSignatureDate( "" );
+      block.setSignatureKeyId( "" );
+    }
+
+    if( ( index2 = error.find("Key matching expected", index) ) != -1)
+    {
+      status |= UNKNOWN_SIG;
+      status |= GOODSIG;
+      int index3 = error.find("Key ID ", index2) + 7;
+      block.setSignatureKeyId( error.mid(index3,8) );
+      block.setSignatureUserId( QString::null );
+    }
+    else if( (index2 = error.find("Good signature from", index)) != -1 )
+    {
+      status |= GOODSIG;
+      // get signer
+      index = error.find('"',index2+19);
+      index2 = error.find('"', index+1);
+      block.setSignatureUserId( error.mid(index+1, index2-index-1) );
+    }
+    else if( (index2 = error.find("Bad signature from", index)) != -1 )
+    {
+      status |= ERROR;
+      // get signer
+      index = error.find('"',index2+19);
+      index2 = error.find('"', index+1);
+      block.setSignatureUserId( error.mid(index+1, index2-index-1) );
+    }
+    else if( error.find("Keyring file", index) != -1 )
+    {
+      // #### fix this hack
+      status |= UNKNOWN_SIG;
+      status |= GOODSIG; // this is a hack...
+      // determine file name of missing keyring file
+      index = error.find('\'', index) + 1;
+      index2 = error.find('\'', index);
+      block.setSignatureUserId( i18n("The keyring file %1 does not exist.\n"
+      "Please check your PGP setup.").arg(error.mid(index, index2-index)) );
+    }
+    else
+    {
+      status |= ERROR;
+      block.setSignatureUserId( i18n("Unknown error") );
+    }
+  }
+  //kdDebug(5100) << "status = " << status << endl;
+  block.setStatus( status );
+  return status;
+}
+
+
+Key*
+Base2::readPublicKey( const KeyID& keyID,
+                      const bool readTrust /* = false */,
+                      Key* key /* = 0 */ )
+{
+  int exitStatus = 0;
+
+  status = 0;
+  exitStatus = run( PGP2 " +batchmode +language=en +verbose=0 -kvc -f 0x" +
+                    keyID, 0, true );
+
+  if(exitStatus != 0) {
+    status = ERROR;
+    return 0;
+  }
+
+  key = parsePublicKeyData( output, key );
+
+  if( key == 0 )
+  {
+    return 0;
+  }
+
+  if( readTrust )
+  {
+    exitStatus = run( PGP2 " +batchmode +language=en +verbose=0 -kc -f",
+                      0, true );
+
+    if(exitStatus != 0) {
+      status = ERROR;
+      return 0;
+    }
+
+    parseTrustDataForKey( key, error );
+  }
+
+  return key;
+}
+
+
+KeyList
+Base2::publicKeys( const QStringList & patterns )
+{
+  return doGetPublicKeys( PGP2 " +batchmode +language=en +verbose=0 -kvc -f",
+                          patterns );
+}
+
+KeyList
+Base2::doGetPublicKeys( const QCString & cmd, const QStringList & patterns )
+{
+  int exitStatus = 0;
+  KeyList publicKeys;
+
+  status = 0;
+  if ( patterns.isEmpty() ) {
+    exitStatus = run( cmd, 0, true );
+
+    if ( exitStatus != 0 ) {
+      status = ERROR;
+      return KeyList();
+    }
+
+    // now we need to parse the output for public keys
+    publicKeys = parseKeyList( output, false );
+  }
+  else {
+    typedef QMap<QCString, Key*> KeyMap;
+    KeyMap map;
+
+    for ( QStringList::ConstIterator it = patterns.begin();
+          it != patterns.end(); ++it ) {
+      exitStatus = run( cmd + " " + KProcess::quote( *it ).local8Bit(),
+                        0, true );
+
+      if ( exitStatus != 0 ) {
+        status = ERROR;
+        return KeyList();
+      }
+
+      // now we need to parse the output for public keys
+      publicKeys = parseKeyList( output, false );
+
+      // put all new keys into a map, remove duplicates
+      while ( !publicKeys.isEmpty() ) {
+        Key * key = publicKeys.take( 0 );
+        if ( !map.contains( key->primaryFingerprint() ) )
+          map.insert( key->primaryFingerprint(), key );
+        else
+          delete key;
+      }
+    }
+    // build list from the map
+    for ( KeyMap::ConstIterator it = map.begin(); it != map.end(); ++it ) {
+      publicKeys.append( it.data() );
+    }
+  }
+
+  // sort the list of public keys
+  publicKeys.sort();
+
+  return publicKeys;
+}
+
+KeyList
+Base2::secretKeys( const QStringList & patterns )
+{
+  return publicKeys( patterns );
+}
+
+
+int
+Base2::signKey(const KeyID& keyID, const char *passphrase)
+{
+  QCString cmd;
+  int exitStatus = 0;
+
+  cmd = PGP2 " +batchmode +language=en -ks -f ";
+  cmd += addUserId();
+  cmd += " 0x" + keyID;
+
+  status = 0;
+  exitStatus = run(cmd.data(),passphrase);
+
+  if (exitStatus != 0)
+    status = ERROR;
+
+  return status;
+}
+
+
+QCString Base2::getAsciiPublicKey(const KeyID& keyID)
+{
+  int exitStatus = 0;
+
+  if (keyID.isEmpty())
+    return QCString();
+
+  status = 0;
+  exitStatus = run( PGP2 " +batchmode +force +language=en -kxaf 0x" + keyID,
+                    0, true );
+
+  if(exitStatus != 0) {
+    status = ERROR;
+    return QCString();
+  }
+
+  return output;
+}
+
+
+Key*
+Base2::parsePublicKeyData( const QCString& output, Key* key /* = 0 */ )
+{
+  Subkey *subkey = 0;
+  int index;
+
+  // search start of key data
+  if( !strncmp( output.data(), "pub", 3 ) ||
+      !strncmp( output.data(), "sec", 3 ) )
+    index = 0;
+  else
+  {
+    /*
+    if( secretKeys )
+      index = output.find( "\nsec" );
+    else
+    */
+      index = output.find( "\npub" );
+    if( index == -1 )
+      return 0;
+    else
+      index++;
+  }
+
+  while( true )
+  {
+    int index2;
+
+    // search the end of the current line
+    if( ( index2 = output.find( '\n', index ) ) == -1 )
+      break;
+
+    if( !strncmp( output.data() + index, "pub", 3 ) ||
+        !strncmp( output.data() + index, "sec", 3 ) )
+    { // line contains primary key data
+      // Example 1 (nothing special):
+      // pub  1024/E2D074D3 2001/09/09 Test Key <testkey@xyz>
+      // Example 2 (disabled key):
+      // pub- 1024/8CCB2C1B 2001/11/04 Disabled Test Key <disabled@xyz>
+      // Example 3 (expired key):
+      // pub> 1024/7B94827D 2001/09/09 Expired Test Key <expired@xyz> (EXPIRE:2001-09-10)
+      // Example 4 (revoked key):
+      // pub  1024/956721F9 2001/09/09 *** KEY REVOKED ***
+
+      int pos, pos2;
+
+      if( key == 0 )
+        key = new Key();
+      else
+        key->clear();
+      /*key->setSecret( secretKeys );*/
+      // set default key capabilities
+      key->setCanEncrypt( true );
+      key->setCanSign( true );
+      key->setCanCertify( true );
+
+      /*subkey = new Subkey( "", secretKeys );*/
+      subkey = new Subkey( "", false );
+      key->addSubkey( subkey );
+      // set default key capabilities
+      subkey->setCanEncrypt( true );
+      subkey->setCanSign( true );
+      subkey->setCanCertify( true );
+      // expiration date defaults to never
+      subkey->setExpirationDate( -1 );
+
+      // Key Flags
+      switch( output[index+3] )
+      {
+      case ' ': // nothing special
+        break;
+      case '-': // disabled key
+        subkey->setDisabled( true );
+        key->setDisabled( true );
+        break;
+      case '>': // expired key
+        subkey->setExpired( true );
+        key->setExpired( true );
+        break;
+      default:
+        kdDebug(5100) << "Unknown key flag.\n";
+      }
+
+      // Key Length
+      pos = index + 4;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( '/', pos );
+      subkey->setKeyLength( output.mid( pos, pos2-pos ).toUInt() );
+
+      // Key ID
+      pos = pos2 + 1;
+      pos2 = output.find( ' ', pos );
+      subkey->setKeyID( output.mid( pos, pos2-pos ) );
+
+      // Creation Date
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( ' ', pos );
+      int year = output.mid( pos, 4 ).toInt();
+      int month = output.mid( pos+5, 2 ).toInt();
+      int day = output.mid( pos+8, 2 ).toInt();
+      QDateTime dt( QDate( year, month, day ), QTime( 00, 00 ) );
+      QDateTime epoch( QDate( 1970, 01, 01 ), QTime( 00, 00 ) );
+      // The calculated creation date isn't exactly correct because QDateTime
+      // doesn't know anything about timezones and always assumes local time
+      // although epoch is of course UTC. But as PGP 2 anyway doesn't print
+      // the time this doesn't matter too much.
+      subkey->setCreationDate( epoch.secsTo( dt ) );
+
+      // User ID
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      QCString uid = output.mid( pos, index2-pos );
+      if( uid != "*** KEY REVOKED ***" )
+        key->addUserID( uid );
+      else
+      {
+        subkey->setRevoked( true );
+        key->setRevoked( true );
+      }
+    }
+    else if( output[index] == ' ' )
+    { // line contains additional key data
+
+      if( key == 0 )
+        break;
+      assert( subkey != 0 );
+
+      int pos = index + 1;
+      while( output[pos] == ' ' )
+        pos++;
+
+      if( !strncmp( output.data() + pos, "Key fingerprint = ", 18 ) )
+      { // line contains a fingerprint
+        // Example:
+        //             Key fingerprint = 47 30 7C 76 05 BF 5E FB  72 41 00 F2 7D 0B D0 49
+
+        QCString fingerprint = output.mid( pos, index2-pos );
+        // remove white space from the fingerprint
+	for ( int idx = 0 ; (idx = fingerprint.find(' ', idx)) >= 0 ; )
+	  fingerprint.replace( idx, 1, "" );
+
+        subkey->setFingerprint( fingerprint );
+      }
+      else if( !strncmp( output.data() + pos, "Expire: ", 8 ) ||
+               !strncmp( output.data() + pos, "no expire ", 10 ) )
+      { // line contains additional key properties
+        // Examples:
+        //            Expire: 2001/09/10
+        //                     no expire ENCRyption only
+        //                     no expire SIGNature only
+
+        if( output[pos] == 'E' )
+        {
+          // Expiration Date
+          pos += 8;
+          int year = output.mid( pos, 4 ).toInt();
+          int month = output.mid( pos+5, 2 ).toInt();
+          int day = output.mid( pos+8, 2 ).toInt();
+          QDateTime dt( QDate( year, month, day ), QTime( 00, 00 ) );
+          QDateTime epoch( QDate( 1970, 01, 01 ), QTime( 00, 00 ) );
+          // Here the same comments as for the creation date are valid.
+          subkey->setExpirationDate( epoch.secsTo( dt ) );
+          pos += 11; // note that there is always a blank after the expire date
+        }
+        else
+          pos += 10;
+
+        // optional key capabilities (sign/encrypt only)
+        if( pos != index2 )
+        {
+          if( !strncmp( output.data() + pos, "SIGNature only", 14 ) )
+          {
+            subkey->setCanEncrypt( false );
+            key->setCanEncrypt( false );
+          }
+          else if( !strncmp( output.data() + pos, "ENCRyption only", 15 ) )
+          {
+            subkey->setCanSign( false );
+            key->setCanSign( false );
+            subkey->setCanCertify( false );
+            key->setCanCertify( false );
+          }
+        }
+      }
+      else
+      { // line contains an additional user id
+        // Example:
+        //                               Test key (2nd user ID) <abc@xyz>
+
+        key->addUserID( output.mid( pos, index2-pos ) );
+      }
+    }
+    index = index2 + 1;
+  }
+
+  //kdDebug(5100) << "finished parsing key data\n";
+
+  return key;
+}
+
+
+void
+Base2::parseTrustDataForKey( Key* key, const QCString& str )
+{
+  if( ( key == 0 ) || str.isEmpty() )
+    return;
+
+  QCString keyID = key->primaryKeyID();
+  UserIDList userIDs = key->userIDs();
+
+  // search the trust data belonging to this key
+  int index = str.find( '\n' ) + 1;
+  while( ( index > 0 ) &&
+         ( strncmp( str.data() + index+2, keyID.data(), 8 ) != 0 ) )
+    index = str.find( '\n', index ) + 1;
+
+  if( index == 0 )
+    return;
+
+  bool ultimateTrust = false;
+  if( !strncmp( str.data() + index+11, "ultimate", 8 ) )
+    ultimateTrust = true;
+
+  bool firstLine = true;
+
+  while( true )
+  { // loop over all trust information about this key
+    int index2;
+
+    // search the end of the current line
+    if( ( index2 = str.find( '\n', index ) ) == -1 )
+      break;
+
+    // check if trust info for the next key starts
+    if( !firstLine && ( str[index+2] != ' ' ) )
+      break;
+
+    if( str[index+21] != ' ' )
+    { // line contains a validity value for a user ID
+
+      // determine the validity
+      Validity validity = KPGP_VALIDITY_UNKNOWN;
+      if( !strncmp( str.data() + index+21, "complete", 8 ) )
+        if( ultimateTrust )
+          validity = KPGP_VALIDITY_ULTIMATE;
+        else
+          validity = KPGP_VALIDITY_FULL;
+      else if( !strncmp( str.data() + index+21, "marginal", 8 ) )
+        validity = KPGP_VALIDITY_MARGINAL;
+      else if( !strncmp( str.data() + index+21, "never", 5 ) )
+        validity = KPGP_VALIDITY_NEVER;
+      else if( !strncmp( str.data() + index+21, "undefined", 9 ) )
+        validity = KPGP_VALIDITY_UNDEFINED;
+
+      // determine the user ID
+      int pos = index + 31;
+      if( str[index+2] == ' ' )
+        pos++; // additional user IDs start one column later
+      QString uid = str.mid( pos, index2-pos );
+
+      // set the validity of the corresponding user ID
+      for( UserIDListIterator it( userIDs ); it.current(); ++it )
+        if( (*it)->text() == uid )
+        {
+          kdDebug(5100)<<"Setting the validity of "<<uid<<" to "<<validity<<endl;
+          (*it)->setValidity( validity );
+          break;
+        }
+    }
+
+    firstLine = false;
+    index = index2 + 1;
+  }
+}
+
+
+KeyList
+Base2::parseKeyList( const QCString& output, bool secretKeys )
+{
+  kdDebug(5100) << "Kpgp::Base2::parseKeyList()" << endl;
+  KeyList keys;
+  Key *key = 0;
+  Subkey *subkey = 0;
+  int index;
+
+  // search start of key data
+  if( !strncmp( output.data(), "pub", 3 ) ||
+      !strncmp( output.data(), "sec", 3 ) )
+    index = 0;
+  else
+  {
+    if( secretKeys )
+      index = output.find( "\nsec" );
+    else
+      index = output.find( "\npub" );
+    if( index == -1 )
+      return keys;
+    else
+      index++;
+  }
+
+  while( true )
+  {
+    int index2;
+
+    // search the end of the current line
+    if( ( index2 = output.find( '\n', index ) ) == -1 )
+      break;
+
+    if( !strncmp( output.data() + index, "pub", 3 ) ||
+        !strncmp( output.data() + index, "sec", 3 ) )
+    { // line contains primary key data
+      // Example 1:
+      // pub  1024/E2D074D3 2001/09/09 Test Key <testkey@xyz>
+      // Example 2 (disabled key):
+      // pub- 1024/8CCB2C1B 2001/11/04 Disabled Test Key <disabled@xyz>
+      // Example 3 (expired key):
+      // pub> 1024/7B94827D 2001/09/09 Expired Test Key <expired@xyz> (EXPIRE:2001-09-10)
+      // Example 4 (revoked key):
+      // pub  1024/956721F9 2001/09/09 *** KEY REVOKED ***
+
+      int pos, pos2;
+
+      if( key != 0 ) // store the previous key in the key list
+	keys.append( key );
+
+      key = new Key();
+      key->setSecret( secretKeys );
+      // set default key capabilities
+      key->setCanEncrypt( true );
+      key->setCanSign( true );
+      key->setCanCertify( true );
+
+      subkey = new Subkey( "", secretKeys );
+      key->addSubkey( subkey );
+      // set default key capabilities
+      subkey->setCanEncrypt( true );
+      subkey->setCanSign( true );
+      subkey->setCanCertify( true );
+      // expiration date defaults to never
+      subkey->setExpirationDate( -1 );
+
+      // Key Flags
+      switch( output[index+3] )
+      {
+      case ' ': // nothing special
+        break;
+      case '-': // disabled key
+        subkey->setDisabled( true );
+        key->setDisabled( true );
+        break;
+      case '>': // expired key
+        subkey->setExpired( true );
+        key->setExpired( true );
+        break;
+      default:
+        kdDebug(5100) << "Unknown key flag.\n";
+      }
+
+      // Key Length
+      pos = index + 4;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( '/', pos );
+      subkey->setKeyLength( output.mid( pos, pos2-pos ).toUInt() );
+
+      // Key ID
+      pos = pos2 + 1;
+      pos2 = output.find( ' ', pos );
+      subkey->setKeyID( output.mid( pos, pos2-pos ) );
+
+      // Creation Date
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( ' ', pos );
+      int year = output.mid( pos, 4 ).toInt();
+      int month = output.mid( pos+5, 2 ).toInt();
+      int day = output.mid( pos+8, 2 ).toInt();
+      QDateTime dt( QDate( year, month, day ), QTime( 00, 00 ) );
+      QDateTime epoch( QDate( 1970, 01, 01 ), QTime( 00, 00 ) );
+      // The calculated creation date isn't exactly correct because QDateTime
+      // doesn't know anything about timezones and always assumes local time
+      // although epoch is of course UTC. But as PGP 2 anyway doesn't print
+      // the time this doesn't matter too much.
+      subkey->setCreationDate( epoch.secsTo( dt ) );
+
+      // User ID
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      QCString uid = output.mid( pos, index2-pos );
+      if( uid != "*** KEY REVOKED ***" )
+        key->addUserID( uid );
+      else
+      {
+        subkey->setRevoked( true );
+        key->setRevoked( true );
+      }
+    }
+    else if( output[index] == ' ' )
+    { // line contains additional key data
+
+      if( key == 0 )
+        break;
+
+      int pos = index + 1;
+      while( output[pos] == ' ' )
+        pos++;
+
+      if( !strncmp( output.data() + pos, "Key fingerprint = ", 18 ) )
+      { // line contains a fingerprint
+        // Example:
+        //             Key fingerprint = 47 30 7C 76 05 BF 5E FB  72 41 00 F2 7D 0B D0 49
+
+        int pos2;
+        pos2 = pos + 18;
+        QCString fingerprint = output.mid( pos, index2-pos );
+        // remove white space from the fingerprint
+	for ( int idx = 0 ; (idx = fingerprint.find(' ', idx)) >= 0 ; )
+	  fingerprint.replace( idx, 1, "" );
+
+        subkey->setFingerprint( fingerprint );
+      }
+      else if( !strncmp( output.data() + pos, "Expire: ", 8 ) ||
+               !strncmp( output.data() + pos, "no expire ", 10 ) )
+      { // line contains additional key properties
+        // Examples:
+        //            Expire: 2001/09/10
+        //                     no expire ENCRyption only
+        //                     no expire SIGNature only
+
+        if( output[pos] == 'E' )
+        {
+          // Expiration Date
+          pos += 8;
+          int year = output.mid( pos, 4 ).toInt();
+          int month = output.mid( pos+5, 2 ).toInt();
+          int day = output.mid( pos+8, 2 ).toInt();
+          QDateTime dt( QDate( year, month, day ), QTime( 00, 00 ) );
+          QDateTime epoch( QDate( 1970, 01, 01 ), QTime( 00, 00 ) );
+          // Here the same comments as for the creation date are valid.
+          subkey->setExpirationDate( epoch.secsTo( dt ) );
+          pos += 11; // note that there is always a blank after the expire date
+        }
+        else
+          pos += 10;
+
+        // optional key capabilities (sign/encrypt only)
+        if( pos != index2 )
+        {
+          if( !strncmp( output.data() + pos, "SIGNature only", 14 ) )
+          {
+            subkey->setCanEncrypt( false );
+            key->setCanEncrypt( false );
+          }
+          else if( !strncmp( output.data() + pos, "ENCRyption only", 15 ) )
+          {
+            subkey->setCanSign( false );
+            key->setCanSign( false );
+            subkey->setCanCertify( false );
+            key->setCanCertify( false );
+          }
+        }
+      }
+      else
+      { // line contains an additional user id
+        // Example:
+        //                               Test key (2nd user ID) <abc@xyz>
+
+        key->addUserID( output.mid( pos, index2-pos ) );
+      }
+    }
+
+    index = index2 + 1;
+  }
+
+  if (key != 0) // store the last key in the key list
+    keys.append( key );
+
+  //kdDebug(5100) << "finished parsing keys" << endl;
+
+  return keys;
+}
+
+
+} // namespace Kpgp