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, 840 insertions, 0 deletions

diff --git a/libkpgp/kpgpbase6.cpp b/libkpgp/kpgpbase6.cpp
new file mode 100644
index 000000000..75e47e1de
--- /dev/null
+++ b/libkpgp/kpgpbase6.cpp
@@ -0,0 +1,840 @@
+/*
+    kpgpbase6.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 <string.h> /* strncmp */
+#include <assert.h>
+
+#include <qdatetime.h>
+
+#include <klocale.h>
+#include <kdebug.h>
+
+#define PGP6 "pgp"
+
+namespace Kpgp {
+
+Base6::Base6()
+  : Base2()
+{
+}
+
+
+Base6::~Base6()
+{
+}
+
+
+int
+Base6::decrypt( Block& block, const char *passphrase )
+{
+  int index, index2;
+  int exitStatus = 0;
+
+  clear();
+  input = block.text();
+  exitStatus = run( PGP6 " +batchmode +language=C -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;
+  }
+
+  // encrypted message
+  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  = error.find(':', index) + 2;
+      index2 = error.find('\n', index);
+      block.setRequiredUserId( error.mid(index, index2 - index) );
+      //kdDebug(5100) << "Base: key needed is \"" << block.requiredUserId() << "\"!\n";
+
+      // Test output length to find out, if the passphrase is
+      // bad. If someone knows a better way, please fix this.
+      /// ### This could be done by forcing PGP6 to be more verbose
+      ///     by adding an additional '+verbose=2' to the command line
+      if (!passphrase || !output.length())
+      {
+	errMsg = i18n("Bad passphrase; could not decrypt.");
+	//kdDebug(5100) << "Base: passphrase is bad" << endl;
+        status |= BADPHRASE;
+        status |= ERROR;
+      }
+    }
+    else if( error.find("You do not have the secret key needed to decrypt this file.") != -1)
+    {
+      errMsg = i18n("You do not have the secret key for this message.");
+      //kdDebug(5100) << "Base: no secret key for this message" << endl;
+      status |= NO_SEC_KEY;
+      status |= ERROR;
+    }
+  }
+
+  // signed message
+
+  // Examples (made with PGP 6.5.8)
+  /* Example no. 1 (signed with unknown key):
+   * File is signed.  signature not checked.
+   * Signature made 2001/11/25 11:55 GMT
+   * key does not meet validity threshold.
+   *
+   * 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: "(KeyID: 0x475027BD)".
+   */
+  /* Example no. 2 (signed with untrusted key):
+   * File is signed.  Good signature from user "Joe User <[email protected]>".
+   * Signature made 2001/12/05 13:09 GMT
+   *
+   * 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 <[email protected]>".
+   */
+  /* Example no. 3 (signed with trusted key):
+   * File is signed.  Good signature from user "Joe User <[email protected]>".
+   * Signature made 2001/12/05 13:09 GMT
+   */
+  if(((index = error.find("File is signed.")) != -1)
+    || (error.find("Good signature") != -1 ))
+  {
+    //kdDebug(5100) << "Base: message is signed" << endl;
+    status |= SIGNED;
+    // determine the signature date
+    if( ( index2 = error.find( "Signature made", index ) ) != -1 )
+    {
+      index2 += 15;
+      int eol = error.find( '\n', index2 );
+      block.setSignatureDate( error.mid( index2, eol-index2 ) );
+      kdDebug(5100) << "Message was signed on '" << block.signatureDate() << "'\n";
+    }
+    else
+      block.setSignatureDate( QCString() );
+    // determine signature status and signature key
+    if( error.find("signature not checked") != -1)
+    {
+      index = error.find("KeyID:",index);
+      block.setSignatureKeyId( error.mid(index+9,8) );
+      block.setSignatureUserId( QString::null );
+      status |= UNKNOWN_SIG;
+      status |= GOODSIG;
+    }
+    else if((index = error.find("Good signature")) != -1 )
+    {
+      status |= GOODSIG;
+      // get signer
+      index = error.find('"',index)+1;
+      index2 = error.find('"', index);
+      block.setSignatureUserId( error.mid(index, index2-index) );
+
+      // get key ID of signer
+      index = error.find("KeyID:",index2);
+      if (index == -1)
+        block.setSignatureKeyId( QCString() );
+      else
+        block.setSignatureKeyId( error.mid(index+9,8) );
+    }
+    else if( error.find("Can't find the right public key") != -1 )
+    {
+      // #### fix this hack
+      // #### This doesn't happen with PGP 6.5.8 because it seems to
+      // #### automatically create an empty pubring if it doesn't exist.
+      status |= UNKNOWN_SIG;
+      status |= GOODSIG; // this is a hack...
+      block.setSignatureUserId( i18n("??? (file ~/.pgp/pubring.pkr not found)") );
+      block.setSignatureKeyId( "???" );
+    }
+    else
+    {
+      status |= ERROR;
+      block.setSignatureUserId( QString::null );
+      block.setSignatureKeyId( QCString() );
+    }
+  }
+  //kdDebug(5100) << "status = " << status << endl;
+  block.setStatus( status );
+  return status;
+}
+
+
+Key*
+Base6::readPublicKey( const KeyID& keyID,
+                      const bool readTrust /* = false */,
+                      Key* key /* = 0 */ )
+{
+  int exitStatus = 0;
+
+  status = 0;
+  exitStatus = run( PGP6 " +batchmode -compatible +verbose=0 +language=C -kvvc "
+                    "0x" + keyID, 0, true );
+
+  if(exitStatus != 0) {
+    status = ERROR;
+    return 0;
+  }
+
+  key = parseSingleKey( output, key );
+
+  if( key == 0 )
+  {
+    return 0;
+  }
+
+  if( readTrust )
+  {
+    exitStatus = run( PGP6 " +batchmode -compatible +verbose=0 +language=C -kc "
+                      "0x" + keyID, 0, true );
+
+    if(exitStatus != 0) {
+      status = ERROR;
+      return 0;
+    }
+
+    parseTrustDataForKey( key, output );
+  }
+
+  return key;
+}
+
+
+KeyList
+Base6::publicKeys( const QStringList & patterns )
+{
+  return doGetPublicKeys( PGP6 " +batchmode -compatible +verbose=0 "
+                          "+language=C -kvvc", patterns );
+}
+
+
+/*
+QStrList
+Base6::pubKeys()
+{
+  int index, index2;
+  int exitStatus = 0;
+  int compatibleMode = 1;
+
+  status = 0;
+  exitStatus = run("pgp +batchmode +language=C -kv -f");
+
+  if(exitStatus != 0) {
+    status = ERROR;
+    return 0;
+  }
+
+  //truncate trailing "\n"
+  if (error.length() > 1) error.truncate(error.length()-1);
+
+  QStrList publicKeys;
+  index = error.find("bits/keyID",1); // skip first to "\n"
+  if (index ==-1)
+  {
+    index = error.find("Type bits",1); // skip first to "\n"
+    if (index == -1)
+      return 0;
+    else
+      compatibleMode = 0;
+  }
+
+  while( (index = error.find("\n",index)) != -1)
+  {
+    //parse line
+    QCString line;
+    if( (index2 = error.find("\n",index+1)) != -1)
+      // skip last line
+    {
+      int index3;
+      if (compatibleMode)
+      {
+        int index_pub = error.find("pub ",index);
+        int index_sec = error.find("sec ",index);
+        if (index_pub < 0)
+          index3 = index_sec;
+        else if (index_sec < 0)
+          index3 = index_pub;
+        else
+          index3 = (index_pub < index_sec ? index_pub : index_sec);
+      }
+      else
+      {
+        int index_rsa = error.find("RSA ",index);
+        int index_dss = error.find("DSS ",index);
+        if (index_rsa < 0)
+          index3 = index_dss;
+        else if (index_dss < 0)
+          index3 = index_rsa;
+        else
+          index3 = (index_rsa < index_dss ? index_rsa : index_dss);
+      }
+
+      if( (index3 >index2) || (index3 == -1) )
+      {
+	// second address for the same key
+	line = error.mid(index+1,index2-index-1);
+	line = line.stripWhiteSpace();
+      } else {
+	// line with new key
+	int index4 = error.find(QRegExp("/\\d{2}/\\d{2} "), index);
+	line = error.mid(index4+7,index2-index4-7);
+      }
+      //kdDebug(5100) << "Base: found key for " << (const char *)line << endl;
+
+      // don't add PGP's comments to the key list
+      if (strncmp(line.data(),"*** KEY EXPIRED ***",19) &&
+          line.find(QRegExp("^expires \\d{4}/\\d{2}/\\d{2}")) < 0 &&
+          strncmp(line.data(),"*** DEFAULT SIGNING KEY ***",27)) {
+        publicKeys.append(line);
+      }
+    }
+    else
+      break;
+    index = index2;
+  }
+
+  // Also look for pgp key groups
+  exitStatus = run("pgp +batchmode +language=C -gv -f");
+
+  if(exitStatus != 0) {
+    status = ERROR;
+    return 0;
+  }
+
+  index = 0;
+  while ( (index = error.find("\n >", index)) != -1 ) {
+    QCString line;
+    index += 4;
+    index2 = error.find(" \"", index);
+    line = error.mid(index, index2-index+1).stripWhiteSpace();
+
+    //kdDebug(5100) << "Base6: found key group for " << line << endl;
+    publicKeys.append(line);
+  }
+
+  return publicKeys;
+}
+*/
+
+
+KeyList
+Base6::secretKeys( const QStringList & patterns )
+{
+  return publicKeys( patterns );
+}
+
+
+int
+Base6::isVersion6()
+{
+  int exitStatus = 0;
+
+  exitStatus = run( PGP6, 0, true );
+
+  if(exitStatus == -1) {
+    errMsg = i18n("error running PGP");
+    status = RUN_ERR;
+    return 0;
+  }
+
+  if( error.find("Version 6") != -1)
+  {
+    //kdDebug(5100) << "kpgpbase: pgp version 6.x detected" << endl;
+    return 1;
+  }
+
+  //kdDebug(5100) << "kpgpbase: not pgp version 6.x" << endl;
+  return 0;
+}
+
+
+Key*
+Base6::parseKeyData( const QCString& output, int& offset, Key* key /* = 0 */ )
+// This function parses the data for a single key which is output by PGP 6
+// with the following command line arguments:
+//   +batchmode -compatible +verbose=0 +language=C -kvvc
+// It expects the key data to start at offset and returns the start of
+// the next key's data in offset.
+{
+  if( ( strncmp( output.data() + offset, "DSS", 3 ) != 0 ) &&
+      ( strncmp( output.data() + offset, "RSA", 3 ) != 0 ) )
+  {
+    kdDebug(5100) << "Unknown key type or corrupt key data.\n";
+    return 0;
+  }
+
+  Subkey *subkey = 0;
+  bool firstLine = true;
+  bool canSign = false;
+  bool canEncr = false;
+  bool fpr = false;
+
+  while( true )
+  {
+    int eol;
+
+    // search the end of the current line
+    if( ( eol = output.find( '\n', offset ) ) == -1 )
+      break;
+
+    //kdDebug(5100) << "Parsing: " << output.mid(offset, eol-offset) << endl;
+
+    if( firstLine && ( !strncmp( output.data() + offset, "DSS", 3 ) ||
+                       !strncmp( output.data() + offset, "RSA", 3 ) ) )
+    { // line contains primary key data
+      // Example 1:
+      // RSA  1024      0xE2D074D3 2001/09/09 Test Key <testkey@xyz>
+      // Example 2 (disabled key):
+      // RSA@ 1024      0x8CCB2C1B 2001/11/04 Disabled Test Key <disabled@xyz>
+      // Example 3 (expired key):
+      // RSA  1024      0x7B94827D 2001/09/09 *** KEY EXPIRED ***
+      // Example 4 (revoked key):
+      // RSA  1024      0x956721F9 2001/09/09 *** KEY REVOKED ***
+      // Example 5 (default signing key):
+      // RSA  1024      0x12345678 2001/09/09 *** DEFAULT SIGNING KEY ***
+      // Example 6 (expiring key):
+      // RSA  2048      0xC11DB2E5 2000/02/24 expires 2001/12/31
+      // Example 7 (complex example):
+      // DSS  1024      0x80E104A7 2000/06/05 expires 2002/05/31
+      // DSS  1024      0x80E104A7 2001/06/27 *** KEY REVOKED ***expires 2002/06/27
+      //  DH  1024      0x80E104A7 2000/06/05 *** KEY REVOKED ****** KEY EXPIRED ***
+      //kdDebug(5100)<<"Primary key data:\n";
+      bool sign = false;
+      bool encr = false;
+
+      // set default key capabilities
+      if( !strncmp( output.data() + offset, "DSS", 3 ) )
+        sign = true;
+      if( !strncmp( output.data() + offset, "RSA", 3 ) )
+      {
+        sign = true;
+        encr = true;
+      }
+
+      int pos, pos2;
+
+      if( key == 0 )
+        key = new Key();
+      else
+        key->clear();
+
+      subkey = new Subkey( "", false );
+      key->addSubkey( subkey );
+      // expiration date defaults to never
+      subkey->setExpirationDate( -1 );
+
+      // Key Flags
+      switch( output[offset+3] )
+      {
+      case ' ': // nothing special
+        break;
+      case '@': // disabled key
+        subkey->setDisabled( true );
+        key->setDisabled( true );
+        break;
+      default:
+        kdDebug(5100) << "Unknown key flag.\n";
+      }
+
+      // Key Length
+      pos = offset + 4;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( ' ', pos );
+      subkey->setKeyLength( output.mid( pos, pos2-pos ).toUInt() );
+      //kdDebug(5100) << "Key Length: "<<subkey->keyLength()<<endl;
+
+      // Key ID
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      pos += 2; // skip the '0x'
+      pos2 = output.find( ' ', pos );
+      subkey->setKeyID( output.mid( pos, pos2-pos ) );
+      //kdDebug(5100) << "Key ID: "<<subkey->keyID()<<endl;
+
+      // 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 6 anyway doesn't print
+      // the time this doesn't matter too much.
+      subkey->setCreationDate( epoch.secsTo( dt ) );
+
+      // User ID or key properties
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      while( pos < eol )
+      { // loop over User ID resp. key properties
+        if( !strncmp( output.data() + pos, "*** KEY REVOKED ***", 19 ) )
+        {
+          sign = false;
+          encr = false;
+          subkey->setRevoked( true );
+          key->setRevoked( true );
+          pos += 19;
+          //kdDebug(5100) << "Key was revoked.\n";
+        }
+        else if( !strncmp( output.data() + pos, "*** KEY EXPIRED ***", 19 ) )
+        {
+          sign = false;
+          encr = false;
+          subkey->setExpired( true );
+          key->setExpired( true );
+          pos += 19;
+          //kdDebug(5100) << "Key has expired.\n";
+        }
+        else if( !strncmp( output.data() + pos, "expires ", 8 ) )
+        {
+          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 ) );
+          // Here the same comments as for the creation date are valid.
+          subkey->setExpirationDate( epoch.secsTo( dt ) );
+          pos += 10;
+          //kdDebug(5100) << "Key expires...\n";
+        }
+        else if( !strncmp( output.data() + pos, "*** DEFAULT SIGNING KEY ***", 27 ) )
+        {
+          pos += 27;
+          //kdDebug(5100) << "Key is default signing key.\n";
+        }
+        else
+        {
+          QCString uid = output.mid( pos, eol-pos );
+          key->addUserID( uid );
+          pos = eol;
+          //kdDebug(5100) << "User ID:"<<uid<<endl;
+        }
+      }
+      // set key capabilities of the primary subkey
+      subkey->setCanEncrypt( encr );
+      subkey->setCanSign( sign );
+      subkey->setCanCertify( sign );
+      // remember the global key capabilities
+      canSign = sign;
+      canEncr = encr;
+    }
+    else if( !strncmp( output.data() + offset, "DSS", 3 ) ||
+             !strncmp( output.data() + offset, " DH", 3 ) ||
+             !strncmp( output.data() + offset, "RSA", 3 ) )
+    { // line contains secondary key data (or data for the next key)
+      if( fpr )
+        break; // here begins the next key's data
+      //kdDebug(5100)<<"Secondary key data:\n";
+
+      if( key == 0 )
+        break;
+
+      bool sign = false;
+      bool encr = false;
+
+      // set default key capabilities
+      if( !strncmp( output.data() + offset, "DSS", 3 ) )
+        sign = true;
+      if( !strncmp( output.data() + offset, " DH", 3 ) )
+        encr = true;
+      if( !strncmp( output.data() + offset, "RSA", 3 ) )
+      {
+        sign = true;
+        encr = true;
+      }
+
+      int pos, pos2;
+
+      // Key Length of secondary key (ignored)
+      pos = offset + 4;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( ' ', pos );
+
+      // Key ID (ignored as it is anyway equal to the primary key id)
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( ' ', pos );
+
+      // Creation Date of secondary key (ignored)
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      pos2 = output.find( ' ', pos );
+
+      // User ID or key properties
+      pos = pos2 + 1;
+      while( output[pos] == ' ' )
+        pos++;
+      while( pos < eol )
+      { // loop over User ID resp. key properties
+        if( !strncmp( output.data() + pos, "*** KEY REVOKED ***", 19 ) )
+        {
+          sign = false;
+          encr = false;
+          pos += 19;
+          //kdDebug(5100) << "Key was revoked.\n";
+        }
+        else if( !strncmp( output.data() + pos, "*** KEY EXPIRED ***", 19 ) )
+        {
+          sign = false;
+          encr = false;
+          pos += 19;
+          //kdDebug(5100) << "Key has expired.\n";
+        }
+        else if( !strncmp( output.data() + pos, "expires ", 8 ) )
+        {
+          pos += 18; // skip the expiration date
+          //kdDebug(5100) << "Key expires...\n";
+        }
+        else if( !strncmp( output.data() + pos, "*** DEFAULT SIGNING KEY ***", 27 ) )
+        {
+          pos += 27;
+          //kdDebug(5100) << "Key is default signing key.\n";
+        }
+        else
+        {
+          QCString uid = output.mid( pos, eol-pos );
+          key->addUserID( uid );
+          pos = eol;
+          //kdDebug(5100) << "User ID:"<<uid<<endl;
+        }
+      }
+      // store the global key capabilities
+      canSign = canSign || sign;
+      canEncr = canEncr || encr;
+    }
+    else if( !strncmp( output.data() + offset, "Unknown type", 12 ) )
+    { // line contains key data of unknown type (ignored)
+      kdDebug(5100)<<"Unknown key type.\n";
+    }
+    else if( output[offset] == ' ' )
+    { // line contains additional key data
+      if( key == 0 )
+        break;
+      //kdDebug(5100)<<"Additional key data:\n";
+
+      int pos = offset + 1;
+      while( output[pos] == ' ' )
+        pos++;
+
+      if( !strncmp( output.data() + pos, "Key fingerprint = ", 18 ) )
+      { // line contains a fingerprint
+        // Example:
+        //           Key fingerprint =  D0 6C BB 3A F5 16 82 C4  F3 A0 8A B3 7B 16 99 70
+
+        fpr = true; // we found a fingerprint
+
+        pos += 18;
+        QCString fingerprint = output.mid( pos, eol-pos );
+        // remove white space from the fingerprint
+	for ( int idx = 0 ; (idx = fingerprint.find(' ', idx)) >= 0 ; )
+	  fingerprint.replace( idx, 1, "" );
+
+        //kdDebug(5100)<<"Fingerprint: "<<fingerprint<<endl;
+        assert( subkey != 0 );
+        subkey->setFingerprint( fingerprint );
+      }
+      else
+      { // line contains an additional user id
+        // Example:
+        //                               Test key (2nd user ID) <abc@xyz>
+
+        //kdDebug(5100)<<"User ID: "<<output.mid( pos, eol-pos )<<endl;
+        key->addUserID( output.mid( pos, eol-pos ) );
+      }
+    }
+    else if( !strncmp( output.data() + offset, "sig", 3 ) )
+    { // line contains signature data (ignored)
+      //kdDebug(5100)<<"Signature.\n";
+    }
+    else // end of key data
+      break;
+
+    firstLine = false;
+    offset = eol + 1;
+  }
+
+  if( key != 0 )
+  {
+    // set the global key capabilities
+    key->setCanEncrypt( canEncr );
+    key->setCanSign( canSign );
+    key->setCanCertify( canSign );
+    //kdDebug(5100)<<"Key capabilities: "<<(canEncr?"E":"")<<(canSign?"SC":"")<<endl;
+  }
+
+  return key;
+}
+
+
+Key*
+Base6::parseSingleKey( const QCString& output, Key* key /* = 0 */ )
+{
+  int offset;
+
+  // search start of header line
+  if( !strncmp( output.data(), "Type bits", 9 ) )
+    offset = 9;
+  else
+  {
+    offset = output.find( "\nType bits" );
+    if( offset == -1 )
+      return 0;
+    else
+      offset += 10;
+  }
+
+  // key data begins in the next line
+  offset = output.find( '\n', offset ) + 1;
+  if( offset == 0 )
+    return 0;
+
+  key = parseKeyData( output, offset, key );
+
+  //kdDebug(5100) << "finished parsing keys" << endl;
+
+  return key;
+}
+
+
+KeyList
+Base6::parseKeyList( const QCString& output, bool secretKeys )
+{
+  kdDebug(5100) << "Kpgp::Base6::parseKeyList()" << endl;
+  KeyList keys;
+  Key *key = 0;
+  int offset;
+
+  // search start of header line
+  if( !strncmp( output.data(), "Type bits", 9 ) )
+    offset = 0;
+  else
+  {
+    offset = output.find( "\nType bits" ) + 1;
+    if( offset == 0 )
+      return keys;
+  }
+
+  // key data begins in the next line
+  offset = output.find( '\n', offset ) + 1;
+  if( offset == -1 )
+    return keys;
+
+  do
+  {
+    key = parseKeyData( output, offset );
+    if( key != 0 )
+    {
+      key->setSecret( secretKeys );
+      keys.append( key );
+    }
+  }
+  while( key != 0 );
+
+  //kdDebug(5100) << "finished parsing keys" << endl;
+
+  return keys;
+}
+
+
+void
+Base6::parseTrustDataForKey( Key* key, const QCString& str )
+{
+  if( ( key == 0 ) || str.isEmpty() )
+    return;
+
+  QCString keyID = "0x" + key->primaryKeyID();
+  UserIDList userIDs = key->userIDs();
+
+  // search the start of the trust data
+  int offset = str.find( "\n\n  KeyID" );
+  if( offset == -1 )
+    return;
+
+  offset = str.find( '\n', offset ) + 1;
+  if( offset == 0 )
+    return;
+
+  bool ultimateTrust = false;
+  if( !strncmp( str.data() + offset+13, "ultimate", 8 ) )
+    ultimateTrust = true;
+
+  while( true )
+  { // loop over all trust information about this key
+
+    int eol;
+
+    // search the end of the current line
+    if( ( eol = str.find( '\n', offset ) ) == -1 )
+      break;
+
+    if( str[offset+23] != ' ' )
+    { // line contains a validity value for a user ID
+
+      // determine the validity
+      Validity validity = KPGP_VALIDITY_UNKNOWN;
+      if( !strncmp( str.data() + offset+23, "complete", 8 ) )
+        if( ultimateTrust )
+          validity = KPGP_VALIDITY_ULTIMATE;
+        else
+          validity = KPGP_VALIDITY_FULL;
+      else if( !strncmp( str.data() + offset+23, "marginal", 8 ) )
+        validity = KPGP_VALIDITY_MARGINAL;
+      else if( !strncmp( str.data() + offset+23, "invalid", 7 ) )
+        validity = KPGP_VALIDITY_UNDEFINED;
+
+      // determine the user ID
+      int pos = offset + 33;
+      QString uid = str.mid( pos, eol-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;
+        }
+    }
+
+    offset = eol + 1;
+  }
+}
+
+
+} // namespace Kpgp