summaryrefslogtreecommitdiffstats
path: root/certmanager/lib/backends/chiasmus/chiasmusbackend.cpp
blob: f27dad3b6f66bd00a4524df1f170b3169ded6322 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
/*
    chiasmusbackend.cpp

    This file is part of libkleopatra, the KDE keymanagement library
    Copyright (c) 2005 Klarälvdalens Datakonsult AB

    Libkleopatra 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.

    Libkleopatra is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

    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

    In addition, as a special exception, the copyright holders give
    permission to link the code of this program with any edition of
    the TQt library by Trolltech AS, Norway (or with modified versions
    of TQt that use the same license as TQt), and distribute linked
    combinations including the two.  You must obey the GNU General
    Public License in all respects for all of the code used other than
    TQt.  If you modify this file, you may extend this exception to
    your version of the file, but you are not obligated to do so.  If
    you do not wish to do so, delete this exception statement from
    your version.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "chiasmusbackend.h"

#include "config_data.h"
#include "obtainkeysjob.h"
#include "chiasmusjob.h"

#include "kleo/cryptoconfig.h"

#include <klocale.h>
#include <kconfig.h>
#include <kshell.h>
#include <kdebug.h>

#include <tqstringlist.h>
#include <tqvariant.h>
#include <tqfileinfo.h>

#include <map>
#include <memory>

#include <cassert>

namespace {

  //
  // The usual TQVariant template helpers:
  //

  // to<> is a demarshaller. It's a class b/c you can't partially
  // specialise function templates yet. However, to<> can be used as if
  // it was a function: TQString s = to<TQString>( myVariant );
  template <typename T> class to {};

#define MAKE_TO( type, func ) \
  template <> \
  class to< type > { \
    type m; \
  public: \
    to( const TQVariant & v ) : m( v.func() ) {} \
    operator type() const { return m; } \
  }

  MAKE_TO( int, toInt );
  MAKE_TO( unsigned int, toUInt );

  template <>
  class to<KURL> {
    KURL m;
  public:
    to( const TQVariant & v ) {
      m.setPath( v.toString() );
    }
    operator KURL() const { return m; }
  };

  template <typename T>
  class to< TQValueList<T> > {
    TQValueList<T> m;
  public:
    to( const TQVariant & v ) {
      const TQValueList<TQVariant> vl = v.toList();
      for ( TQValueList<TQVariant>::const_iterator it = vl.begin(), end = vl.end() ; it != end ; ++it )
        m.push_back( to<T>( *it ) );
    }
    operator TQValueList<T> () const { return m; }
  };

  template <>
  class to<KURL::List> {
    KURL::List m;
  public:
    to( const TQVariant & v ) {
      // wow, KURL::List is broken... it lacks conversion from and to TQVL<KURL>...
      m += to< TQValueList<KURL> >( v );
    }
    operator KURL::List() const { return m; }
  };


  // from<> is the demarshaller. See to<> for why this is a class...

  template <typename T>
  struct from_helper : public TQVariant {
    from_helper( const T & t ) : TQVariant( t ) {}
  };

  template <typename T>
  TQVariant from( const T & t ) {
    return from_helper<T>( t );
  }

  // some special types:
  template <> struct from_helper<bool> : public TQVariant {
    from_helper( bool b ) : TQVariant( b, int() ) {}
  };
  template <> struct from_helper<KURL> : public TQVariant {
    from_helper( const KURL & url ) : TQVariant( url.path() ) {}
  };
  template <typename T> struct from_helper< TQValueList<T> > : public TQVariant {
    from_helper( const TQValueList<T> & l ) {
      TQValueList<TQVariant> result;
      for ( typename TQValueList<T>::const_iterator it = l.begin(), end = l.end() ; it != end ; ++it )
        result.push_back( from( *it ) );
      TQVariant::operator=( result );
    }
  };
  template <> struct from_helper<KURL::List> : public from_helper< TQValueList<KURL> > {
    from_helper( const KURL::List & l ) : from_helper< TQValueList<KURL> >( l ) {}
  };

  class ChiasmusConfigEntry : public Kleo::CryptoConfigEntry {
    unsigned int mIdx;
    TQVariant mValue;
    bool mDirty;
  public:
    ChiasmusConfigEntry( unsigned int i )
      : Kleo::CryptoConfigEntry(),
        mIdx( i ), mValue( defaultValue() ), mDirty( false )
    {
      assert( i < kleo_chiasmus_config_entries_dim );
    }
    TQString name() const { return kleo_chiasmus_config_entries[mIdx].name; }
    TQString description() const { return i18n( kleo_chiasmus_config_entries[mIdx].description ); }
    bool isOptional() const { return kleo_chiasmus_config_entries[mIdx].is_optional; }
    bool isReadOnly() const { return false; }
    bool isList() const { return kleo_chiasmus_config_entries[mIdx].is_list; }
    bool isRuntime() const { return kleo_chiasmus_config_entries[mIdx].is_runtime; }
    Level level() const { return static_cast<Level>( kleo_chiasmus_config_entries[mIdx].level ); }
    ArgType argType() const { return static_cast<ArgType>( kleo_chiasmus_config_entries[mIdx].type ); }
    bool isSet() const { return mValue != defaultValue(); }
    bool boolValue() const { return mValue.toBool(); }
    TQString stringValue() const { return mValue.toString(); }
    int intValue() const { return mValue.toInt(); }
    unsigned int uintValue() const { return mValue.toUInt(); }
    KURL urlValue() const {
      if ( argType() != ArgType_Path && argType() != ArgType_DirPath ) return KURL( mValue.toString() );
      KURL u; u.setPath( mValue.toString() ); return u;
    }
    unsigned int numberOfTimesSet() const { return 0; }
    TQStringList stringValueList() const { return mValue.toStringList(); }
    TQValueList<int> intValueList() const { return to< TQValueList<int> >( mValue ); }
    TQValueList<unsigned int> uintValueList() const { return to< TQValueList<unsigned int> >( mValue ); }
    KURL::List urlValueList() const {
      if ( argType() != ArgType_Path && argType()!= ArgType_DirPath ) return mValue.toStringList();
      else return to<KURL::List>( mValue ); }
    void resetToDefault() { mValue = defaultValue(); mDirty = false; }
    void setBoolValue( bool value ) { setValue( TQVariant( value, int() ) ); }
    void setStringValue( const TQString & value ) { setValue( value ); }
    void setIntValue( int value ) { setValue( value ); }
    void setUIntValue( unsigned int value ) { setValue( value ); }
    void setURLValue( const KURL & value ) {
      if ( argType() != ArgType_Path && argType()!= ArgType_DirPath ) setValue( value.url() );
      else setValue( value.path() );
    }
    void setNumberOfTimesSet( unsigned int ) {}
    void setStringValueList( const TQStringList & value ) { setValue( value ); }
    void setIntValueList( const TQValueList<int> & l ) { setValue( from( l ) ); }
    void setUIntValueList( const TQValueList<unsigned int> & l ) { setValue( from( l ) ); }
    void setURLValueList( const KURL::List & l ) { setValue( from( l ) ); }
    bool isDirty() const { return mDirty; }

    TQVariant value() const { return mValue; }

    void sync( KConfigBase * config ) {
      if ( !mDirty )
        return;
      mDirty = false;
      config->writeEntry( kleo_chiasmus_config_entries[mIdx].name, mValue );
    }
    void read( const KConfigBase * config ) {
      mDirty = false;
      mValue = config->readPropertyEntry( kleo_chiasmus_config_entries[mIdx].name, defaultValue() );
    }
  private:
    TQVariant defaultValue() const;
    void setValue( const TQVariant & value ) { mValue = value; mDirty = true; }
  };

  TQVariant ChiasmusConfigEntry::defaultValue() const {
    const kleo_chiasmus_config_data & data = kleo_chiasmus_config_entries[mIdx];
    switch ( data.type ) {
    default:
      return TQVariant();
    case ArgType_None:
      if ( isList() )
        return TQValueList<TQVariant>() << TQVariant( data.defaults.boolean.value, int() );
      else
        return TQVariant( data.defaults.boolean.value, int() );
    case ArgType_String:
      if ( isList() )
        return TQStringList( TQString::tqfromLatin1( data.defaults.string ) );
      else
        return TQString::tqfromLatin1( data.defaults.string );
    case ArgType_Int:
      if ( isList() )
        return TQValueList<TQVariant>() << data.defaults.integer;
      else
        return data.defaults.integer;
    case ArgType_UInt:
      if ( isList() )
        return TQValueList<TQVariant>() << data.defaults.unsigned_integer;
      else
        return data.defaults.unsigned_integer;
    case ArgType_Path:
    case ArgType_DirPath:
      if ( isList() )
        return TQValueList<TQVariant>() << TQString::tqfromLatin1( data.defaults.path );
      else
        return TQString::tqfromLatin1( data.defaults.path );
    case ArgType_URL:
    case ArgType_LDAPURL:
      if ( isList() )
        return TQValueList<TQVariant>() << TQString::tqfromLatin1( data.defaults.url );
      else
        return TQString::tqfromLatin1( data.defaults.url );
    }
  }

  class ChiasmusGeneralGroup : public Kleo::CryptoConfigGroup {
    mutable std::map<TQString,ChiasmusConfigEntry*> mCache;
    mutable KConfig * mConfigObject;
  public:
    ChiasmusGeneralGroup() : Kleo::CryptoConfigGroup(), mConfigObject( 0 ) {}
    ~ChiasmusGeneralGroup() { clear(); delete mConfigObject; }
    TQString name() const { return "General"; }
    TQString iconName() const { return "chiasmus_chi"; }
    TQString description() const { return i18n( "General" ); }
    Kleo::CryptoConfigEntry::Level level() const { return Kleo::CryptoConfigEntry::Level_Basic; }
    TQStringList entryList() const {
      TQStringList result;
      for ( unsigned int i = 0 ; i < kleo_chiasmus_config_entries_dim ; ++i )
        result.push_back( kleo_chiasmus_config_entries[i].name );
      return result;
    }
    Kleo::CryptoConfigEntry * entry( const TQString & name ) const {
      if ( ChiasmusConfigEntry * entry = mCache[name] )
        return entry;
      const KConfigGroup group( configObject(), "Chiasmus" );
      for ( unsigned int i = 0 ; i < kleo_chiasmus_config_entries_dim ; ++i )
        if ( name == kleo_chiasmus_config_entries[i].name ) {
          ChiasmusConfigEntry * entry = new ChiasmusConfigEntry( i );
          entry->read( &group );
          return mCache[name] = entry;
        }
      return 0;
    }

    void sync() {
      KConfigGroup group( configObject(), "Chiasmus" );
      for ( std::map<TQString,ChiasmusConfigEntry*>::const_iterator it = mCache.begin(), end = mCache.end() ; it != end ; ++it )
        it->second->sync( &group );
      group.sync();
      clear();
    }
  private:
    KConfig * configObject() const {
      if ( !mConfigObject )
        // this is unsafe. We're a lib, used by concurrent apps.
        mConfigObject = new KConfig( "chiasmusbackendrc" );
      return mConfigObject;
    }
    void clear() {
      for ( std::map<TQString,ChiasmusConfigEntry*>::const_iterator it = mCache.begin(), end = mCache.end() ; it != end ; ++it )
        delete it->second;
      mCache.clear();
    }
  };

  class ChiasmusComponent : public Kleo::CryptoConfigComponent {
    mutable ChiasmusGeneralGroup * mGeneralGroup;
  public:
    ChiasmusComponent() : Kleo::CryptoConfigComponent(), mGeneralGroup( 0 ) {}
    ~ChiasmusComponent() { delete mGeneralGroup; }

    void sync() {
      if ( mGeneralGroup )
        mGeneralGroup->sync();
    }

    TQString name() const { return "Chiasmus"; }
    TQString iconName() const { return "chiasmus_chi"; }
    TQString description() const { return i18n( "Chiasmus" ); }
    TQStringList groupList() const { return TQStringList() << "General"; }
    Kleo::CryptoConfigGroup * group( const TQString & name ) const {
      if ( name != "General" )
        return 0;
      if ( !mGeneralGroup )
        mGeneralGroup = new ChiasmusGeneralGroup();
      return mGeneralGroup;
    }
  };

}

class Kleo::ChiasmusBackend::CryptoConfig : public Kleo::CryptoConfig {
  mutable ChiasmusComponent * mComponent;
public:
  CryptoConfig() : Kleo::CryptoConfig(), mComponent( 0 ) {}
  ~CryptoConfig() { delete mComponent; }

  TQStringList componentList() const { return TQStringList() << "Chiasmus" ; }
  ChiasmusComponent * component( const TQString & name ) const {
    if ( name != "Chiasmus" )
      return 0;
    if ( !mComponent )
      mComponent = new ChiasmusComponent();
    return mComponent;
  }
  void sync( bool ) {
    if ( mComponent )
      mComponent->sync();
  }
  void clear() { delete mComponent; mComponent = 0; }
};

class Kleo::ChiasmusBackend::Protocol : public Kleo::CryptoBackend::Protocol {
  Kleo::CryptoConfig * mCryptoConfig;
public:
  Protocol( Kleo::CryptoConfig * config )
    : Kleo::CryptoBackend::Protocol(), mCryptoConfig( config )
  {
    assert( config );
  }
  ~Protocol() {}

  TQString name() const { return "Chiasmus"; }
  TQString displayName() const { return i18n( "Chiasmus command line tool" ); }
  KeyListJob * keyListJob( bool, bool, bool ) const { return 0; }
  EncryptJob * encryptJob( bool, bool ) const { return 0; }
  DecryptJob * decryptJob() const { return 0; }
  SignJob * signJob( bool, bool ) const { return 0; }
  VerifyDetachedJob * verifyDetachedJob( bool ) const { return 0; }
  VerifyOpaqueJob * verifyOpaqueJob( bool ) const { return 0; }
  KeyGenerationJob * keyGenerationJob() const { return 0; }
  ImportJob * importJob() const { return 0; }
  ExportJob * publicKeyExportJob( bool ) const { return 0; }
  ExportJob * secretKeyExportJob( bool, const TQString& ) const { return 0; }
  DownloadJob * downloadJob( bool ) const { return 0; }
  DeleteJob * deleteJob() const { return 0; }
  SignEncryptJob * signEncryptJob( bool, bool ) const { return 0; }
  DecryptVerifyJob * decryptVerifyJob( bool ) const { return 0; }
  RefreshKeysJob * refreshKeysJob() const { return 0; }

  SpecialJob * specialJob( const char * type, const TQMap<TQString,TQVariant> & args ) const {
    if ( qstricmp( type, "x-obtain-keys" ) == 0 && args.size() == 0 )
      return new ObtainKeysJob();
    if ( qstricmp( type, "x-encrypt" ) == 0 && args.size() == 0 )
      return new ChiasmusJob( ChiasmusJob::Encrypt );
    if ( qstricmp( type, "x-decrypt" ) == 0 && args.size() == 0 )
      return new ChiasmusJob( ChiasmusJob::Decrypt );
    kdDebug(5150) << "ChiasmusBackend::Protocol: tried to instantiate unknown job type \""
                  << type << "\"" << endl;

    return 0;
  }
};

Kleo::ChiasmusBackend * Kleo::ChiasmusBackend::self = 0;

Kleo::ChiasmusBackend::ChiasmusBackend()
  : Kleo::CryptoBackend(),
    mCryptoConfig( 0 ),
    mProtocol( 0 )
{
  self = this;
}

Kleo::ChiasmusBackend::~ChiasmusBackend() {
  self = 0;
  delete mCryptoConfig;
  delete mProtocol;
}

TQString Kleo::ChiasmusBackend::name() const {
  return "Chiasmus";
}

TQString Kleo::ChiasmusBackend::displayName() const {
  return i18n( "Chiasmus" );
}

Kleo::CryptoConfig * Kleo::ChiasmusBackend::config() const {
  if ( !mCryptoConfig )
    mCryptoConfig = new CryptoConfig();
  return mCryptoConfig;
}

Kleo::CryptoBackend::Protocol * Kleo::ChiasmusBackend::protocol( const char * name ) const {
  if ( qstricmp( name, "Chiasmus" ) != 0 )
    return 0;
  if ( !mProtocol )
    if ( checkForChiasmus() )
      mProtocol = new Protocol( config() );
  return mProtocol;
}

bool Kleo::ChiasmusBackend::checkForOpenPGP( TQString * reason ) const {
  if ( reason )
    *reason = i18n( "Unsupported protocol \"%1\"" ).tqarg( "OpenPGP" );
  return false;
}

bool Kleo::ChiasmusBackend::checkForSMIME( TQString * reason ) const {
  if ( reason )
    *reason = i18n( "Unsupported protocol \"%1\"" ).tqarg( "SMIME" );
  return false;
}

bool Kleo::ChiasmusBackend::checkForChiasmus( TQString * reason ) const {

  // kills the protocol instance when we return false:
  std::auto_ptr<Protocol> tmp( mProtocol );
  mProtocol = 0;

  const CryptoConfigEntry * path = config()->entry( "Chiasmus", "General", "path" );
  assert( path ); assert( path->argType() == CryptoConfigEntry::ArgType_Path );
  const TQString chiasmus = path->urlValue().path();
  const TQFileInfo fi( KShell::tildeExpand( chiasmus ) );
  if ( !fi.isExecutable() ) {
    if ( reason )
      *reason = i18n( "File \"%1\" does not exist or is not executable." ).tqarg( chiasmus );
    return false;
  }

  // FIXME: more checks?
  mProtocol = tmp.release();
  return true;
}

bool Kleo::ChiasmusBackend::checkForProtocol( const char * name, TQString * reason ) const {
  if ( qstricmp( name, "Chiasmus" ) == 0 )
    return checkForChiasmus( reason );
  if ( reason )
    *reason = i18n( "Unsupported protocol \"%1\"" ).tqarg( name );
  return 0;
}

bool Kleo::ChiasmusBackend::supportsProtocol( const char * name ) const {
  return qstricmp( name, "Chiasmus" ) == 0;
}

const char * Kleo::ChiasmusBackend::enumerateProtocols( int i ) const {
  return i == 0 ? "Chiasmus" : 0 ;
}