libzypp  17.31.31
KeyManager.cc
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8 \---------------------------------------------------------------------*/
9 #include <zypp/KeyManager.h>
10 #include <zypp/KeyRing.h>
11 #include <zypp/PathInfo.h>
12 #include <zypp/base/Logger.h>
13 #include <zypp/TmpPath.h>
14 #include <zypp/base/String.h>
15 #include <zypp/AutoDispose.h>
16 
17 #include <boost/thread/once.hpp>
18 #include <boost/interprocess/smart_ptr/scoped_ptr.hpp>
19 #include <gpgme.h>
20 
21 #include <stdio.h>
22 using std::endl;
23 
24 #undef ZYPP_BASE_LOGGER_LOGGROUP
25 #define ZYPP_BASE_LOGGER_LOGGROUP "zypp::gpg"
26 
28 namespace zypp
29 {
31  namespace
32  {
33  // @TODO [threading]
34  // make sure to call the init code of gpgme only once
35  // this might need to be moved to a different location when
36  // threads are introduced into libzypp
37  boost::once_flag gpgme_init_once = BOOST_ONCE_INIT;
38 
39  void initGpgme ()
40  {
41  const char *version = gpgme_check_version(NULL);
42  if ( version )
43  {
44  MIL << "Initialized libgpgme version: " << version << endl;
45  }
46  else
47  {
48  MIL << "Initialized libgpgme with unknown version" << endl;
49  }
50  }
51 
52  //using boost::interprocess pointer because it allows a custom deleter
53  typedef boost::interprocess::scoped_ptr<gpgme_data, boost::function<void (gpgme_data_t)>> GpgmeDataPtr;
54  typedef boost::interprocess::scoped_ptr<_gpgme_key, boost::function<void (gpgme_key_t)>> GpgmeKeyPtr;
55  typedef boost::interprocess::scoped_ptr<FILE, boost::function<int (FILE *)>> FILEPtr;
56 
57  struct GpgmeErr
58  {
59  GpgmeErr( gpgme_error_t err_r = GPG_ERR_NO_ERROR )
60  : _err( err_r )
61  {}
62  operator gpgme_error_t() const { return _err; }
63  private:
64  gpgme_error_t _err;
65  };
66 
67  std::ostream & operator<<( std::ostream & str, const GpgmeErr & obj )
68  { return str << "<" << gpgme_strsource(obj) << "> " << gpgme_strerror(obj); }
69 
71  std::ostream & operator<<( std::ostream & str, const _gpgme_op_import_result & obj )
72  {
73  str << "gpgme_op_import_result {" << endl;
74  str << " " << obj.considered << " The total number of considered keys." << endl;
75  str << " " << obj.no_user_id << " The number of keys without user ID." << endl;
76  str << " " << obj.imported << " The total number of imported keys." << endl;
77  str << " " << obj.imported_rsa << " imported RSA keys." << endl;
78  str << " " << obj.unchanged << " unchanged keys." << endl;
79  str << " " << obj.new_user_ids << " new user IDs." << endl;
80  str << " " << obj.new_sub_keys << " new sub keys." << endl;
81  str << " " << obj.new_signatures << " new signatures." << endl;
82  str << " " << obj.new_revocations << " new revocations." << endl;
83  str << " " << obj.secret_read << " secret keys read." << endl;
84  str << " " << obj.secret_imported << " imported secret keys." << endl;
85  str << " " << obj.secret_unchanged << " unchanged secret keys." << endl;
86  str << " " << obj.not_imported << " keys not imported." << endl;
87  for ( gpgme_import_status_t p = obj.imports; p; p = p->next )
88  {
89  str << " - " << p->fpr << ": " << p->result << endl;
90  }
91  // In V.1.11: str << " " << obj.skipped_v3_keys << " skipped v3 keys." << endl;
92  return str << "}";
93  }
94  } // namespace
96 
98  {
99  GpgmeException( const std::string & in_r, const GpgmeErr & err_r )
100  : KeyRingException( str::Format( "libgpgme error in '%1%': %2%" ) % in_r % err_r )
101  {}
102  };
103 
105  {
106  public:
108  { boost::call_once( gpgme_init_once, initGpgme ); }
109 
111  { if ( _ctx ) gpgme_release( _ctx ); }
112 
113 
115  std::list<std::string> readSignaturesFprs( const Pathname & signature_r )
116  { return readSignaturesFprsOptVerify( signature_r ); }
117 
119  std::list<std::string> readSignaturesFprs( const ByteArray & signature_r )
120  { return readSignaturesFprsOptVerify( signature_r ); }
121 
123  bool verifySignaturesFprs( const Pathname & file_r, const Pathname & signature_r )
124  {
125  bool verify = false;
126  readSignaturesFprsOptVerify( signature_r, file_r, &verify );
127  return verify;
128  }
129 
130  template< typename Callback >
131  bool importKey(GpgmeDataPtr &data, Callback &&calcDataSize );
132 
133  gpgme_ctx_t _ctx { nullptr };
134  bool _volatile { false };
135 
136  private:
142  std::list<std::string> readSignaturesFprsOptVerify( const Pathname & signature_r, const Pathname & file_r = "/dev/null", bool * verify_r = nullptr );
143  std::list<std::string> readSignaturesFprsOptVerify( const ByteArray& keyData_r, const Pathname & file_r = "/dev/null", bool * verify_r = nullptr );
144  std::list<std::string> readSignaturesFprsOptVerify( GpgmeDataPtr &sigData, const Pathname & file_r = "/dev/null", bool * verify_r = nullptr );
145  };
146 
147 std::list<std::string> KeyManagerCtx::Impl::readSignaturesFprsOptVerify( const Pathname & signature_r, const Pathname & file_r, bool * verify_r )
148 {
149  //lets be pessimistic
150  if ( verify_r )
151  *verify_r = false;
152 
153  if (!PathInfo( signature_r ).isExist())
154  return std::list<std::string>();
155 
156  FILEPtr sigFile(fopen(signature_r.c_str(), "rb"), fclose);
157  if (!sigFile) {
158  ERR << "Unable to open signature file '" << signature_r << "'" <<endl;
159  return std::list<std::string>();
160  }
161 
162  GpgmeDataPtr sigData(nullptr, gpgme_data_release);
163  GpgmeErr err = gpgme_data_new_from_stream (&sigData.get(), sigFile.get());
164  if (err) {
165  ERR << err << endl;
166  return std::list<std::string>();
167  }
168 
169  return readSignaturesFprsOptVerify( sigData, file_r, verify_r );
170 }
171 
172 std::list<std::string> KeyManagerCtx::Impl::readSignaturesFprsOptVerify( const ByteArray &keyData_r, const filesystem::Pathname &file_r, bool *verify_r )
173 {
174  //lets be pessimistic
175  if ( verify_r )
176  *verify_r = false;
177 
178  GpgmeDataPtr sigData(nullptr, gpgme_data_release);
179  GpgmeErr err = gpgme_data_new_from_mem(&sigData.get(), keyData_r.data(), keyData_r.size(), 1 );
180  if (err) {
181  ERR << err << endl;
182  return std::list<std::string>();
183  }
184 
185  return readSignaturesFprsOptVerify( sigData, file_r, verify_r );
186 }
187 
188 std::list<std::string> KeyManagerCtx::Impl::readSignaturesFprsOptVerify(GpgmeDataPtr &sigData, const filesystem::Pathname &file_r, bool *verify_r)
189 {
190  //lets be pessimistic
191  if ( verify_r )
192  *verify_r = false;
193 
194  FILEPtr dataFile(fopen(file_r.c_str(), "rb"), fclose);
195  if (!dataFile)
196  return std::list<std::string>();
197 
198  GpgmeDataPtr fileData(nullptr, gpgme_data_release);
199  GpgmeErr err = gpgme_data_new_from_stream (&fileData.get(), dataFile.get());
200  if (err) {
201  ERR << err << endl;
202  return std::list<std::string>();
203  }
204 
205  err = gpgme_op_verify(_ctx, sigData.get(), fileData.get(), NULL);
206  if (err != GPG_ERR_NO_ERROR) {
207  ERR << err << endl;
208  return std::list<std::string>();
209  }
210 
211  gpgme_verify_result_t res = gpgme_op_verify_result(_ctx);
212  if (!res || !res->signatures) {
213  ERR << "Unable to read signature fingerprints" <<endl;
214  return std::list<std::string>();
215  }
216 
217  bool foundBadSignature = false;
218  bool foundGoodSignature = false;
219  std::list<std::string> signatures;
220  for ( gpgme_signature_t sig = res->signatures; sig; sig = sig->next ) {
221 
222  if ( sig->fpr )
223  {
224  // bsc#1100427: With libgpgme11-1.11.0 and if a recent gpg version was used
225  // to create the signature, the field may contain the full fingerprint, but
226  // we're expected to return the ID.
227  // [https://github.com/gpg/gpgme/commit/478d1650bbef84958ccce439fac982ef57b16cd0]
228  std::string id( sig->fpr );
229  if ( id.size() > 16 )
230  id = id.substr( id.size()-16 );
231 
232  DBG << "Found signature with ID: " << id << " in " << file_r << std::endl;
233  signatures.push_back( std::move(id) );
234  }
235 
236  if ( verify_r && sig->status != GPG_ERR_NO_ERROR ) {
237  const auto status = gpgme_err_code(sig->status);
238 
239  // bsc#1180721: libgpgme started to return signatures of unknown keys, which breaks
240  // our workflow when verifying files that have multiple signatures, including some that are
241  // not in the trusted keyring. We should not fail if we have unknown or expired keys and at least a good one.
242  // We will however keep the behaviour of failing if we find a bad signatures even if others are good.
243  if ( status != GPG_ERR_KEY_EXPIRED && status != GPG_ERR_NO_PUBKEY )
244  {
245  WAR << "Failed signature check: " << file_r << " " << GpgmeErr(sig->status) << endl;
246  if ( !foundBadSignature )
247  foundBadSignature = true;
248  }
249  else
250  {
251  WAR << "Legacy: Ignore expired or unknown key: " << file_r << " " << GpgmeErr(sig->status) << endl;
252  // for now treat expired keys as good signature
253  if ( status == GPG_ERR_KEY_EXPIRED )
254  foundGoodSignature = true;
255  }
256  } else {
257  foundGoodSignature = true;
258  }
259  }
260 
261  if ( verify_r )
262  *verify_r = (!foundBadSignature) && foundGoodSignature;
263  return signatures;
264 }
265 
267 : _pimpl( new Impl )
268 {}
269 
271 {
272  static Pathname tmppath( zypp::myTmpDir() / "PublicKey" );
273  filesystem::assert_dir( tmppath );
274 
275  KeyManagerCtx ret { createForOpenPGP( tmppath ) };
276  ret._pimpl->_volatile = true; // readKeyFromFile workaround bsc#1140670
277  return ret;
278 }
279 
281 {
282  DBG << "createForOpenPGP(" << keyring_r << ")" << endl;
283 
284  KeyManagerCtx ret;
285  gpgme_ctx_t & ctx { ret._pimpl->_ctx };
286 
287  // create the context
288  GpgmeErr err = gpgme_new( &ctx );
289  if ( err != GPG_ERR_NO_ERROR )
290  ZYPP_THROW( GpgmeException( "gpgme_new", err ) );
291 
292  // use OpenPGP
293  err = gpgme_set_protocol( ctx, GPGME_PROTOCOL_OpenPGP );
294  if ( err != GPG_ERR_NO_ERROR )
295  ZYPP_THROW( GpgmeException( "gpgme_set_protocol", err ) );
296 
297  if ( !keyring_r.empty() ) {
298  // get engine information to read current state
299  gpgme_engine_info_t enginfo = gpgme_ctx_get_engine_info( ctx );
300  if ( !enginfo )
301  ZYPP_THROW( GpgmeException( "gpgme_ctx_get_engine_info", err ) );
302 
303  err = gpgme_ctx_set_engine_info( ctx, GPGME_PROTOCOL_OpenPGP, enginfo->file_name, keyring_r.c_str() );
304  if ( err != GPG_ERR_NO_ERROR )
305  ZYPP_THROW( GpgmeException( "gpgme_ctx_set_engine_info", err ) );
306  }
307 
308  return ret;
309 }
310 
312 {
313  Pathname ret;
314  if ( gpgme_engine_info_t enginfo = gpgme_ctx_get_engine_info( _pimpl->_ctx ) )
315  ret = enginfo->home_dir;
316  return ret;
317 }
318 
319 std::list<PublicKeyData> KeyManagerCtx::listKeys()
320 {
321  std::list<PublicKeyData> ret;
322  GpgmeErr err = GPG_ERR_NO_ERROR;
323 
324  // Reset gpgme_keylist_mode on return!
325  AutoDispose<gpgme_keylist_mode_t> guard { gpgme_get_keylist_mode( _pimpl->_ctx ), bind( &gpgme_set_keylist_mode, _pimpl->_ctx, _1 ) };
326  // Let listed keys include signatures (required if PublicKeyData are created from the key)
327  if ( (err = gpgme_set_keylist_mode( _pimpl->_ctx, GPGME_KEYLIST_MODE_LOCAL | GPGME_KEYLIST_MODE_SIGS )) != GPG_ERR_NO_ERROR ) {
328  ERR << "gpgme_set_keylist_mode: " << err << endl;
329  return ret;
330  }
331 
332  if ( (err = gpgme_op_keylist_start( _pimpl->_ctx, NULL, 0 )) != GPG_ERR_NO_ERROR ) {
333  ERR << "gpgme_op_keylist_start: " << err << endl;
334  return ret;
335  }
336  // Close list operation on return!
337  AutoDispose<gpgme_ctx_t> guard2 { _pimpl->_ctx, &gpgme_op_keylist_end };
338 
339  AutoDispose<gpgme_key_t> key { nullptr, &gpgme_key_release };
340  for ( ; gpgme_op_keylist_next( _pimpl->_ctx, &(*key) ) == GPG_ERR_NO_ERROR; key.getDispose()( key ) ) {
342  if ( data )
343  ret.push_back( data );
344  }
345 
346  return ret;
347 }
348 
349 std::list<PublicKeyData> KeyManagerCtx::readKeyFromFile( const Pathname & keyfile_r )
350 {
351  // bsc#1140670: GPGME does not support reading keys from a keyfile using
352  // gpgme_data_t and gpgme_op_keylist_from_data_start. Despite GPGME_KEYLIST_MODE_SIGS
353  // the signatures are missing, but we need them to create proper PublicKeyData objects.
354  // While this is not resolved, we read into a temp. keyring. Impl::_volatile helps
355  // to detect whether we can clear and import into the current context or need to
356  // create a temp. one.
357  std::list<PublicKeyData> ret;
358 
359  if ( _pimpl->_volatile ) {
360  // in a volatile context we can simple clear the keyring...
362  if ( importKey( keyfile_r ) )
363  ret = listKeys();
364  } else {
365  // read in a volatile context
366  ret = createForOpenPGP().readKeyFromFile( keyfile_r );
367  }
368 
369  return ret;
370 }
371 
372 bool KeyManagerCtx::verify(const Pathname &file, const Pathname &signature)
373 {
374  return _pimpl->verifySignaturesFprs(file, signature);
375 }
376 
377 bool KeyManagerCtx::exportKey(const std::string &id, std::ostream &stream)
378 {
379  GpgmeErr err = GPG_ERR_NO_ERROR;
380 
381  GpgmeKeyPtr foundKey;
382 
383  //search for requested key id
384  gpgme_key_t key;
385  gpgme_op_keylist_start(_pimpl->_ctx, NULL, 0);
386  while (!(err = gpgme_op_keylist_next(_pimpl->_ctx, &key))) {
387  if (key->subkeys && id == str::asString(key->subkeys->keyid)) {
388  GpgmeKeyPtr(key, gpgme_key_release).swap(foundKey);
389  break;
390  }
391  gpgme_key_release(key);
392  }
393  gpgme_op_keylist_end(_pimpl->_ctx);
394 
395  if (!foundKey) {
396  WAR << "Key " << id << "not found" << endl;
397  return false;
398  }
399 
400  //function needs a array of keys to export
401  gpgme_key_t keyarray[2];
402  keyarray[0] = foundKey.get();
403  keyarray[1] = NULL;
404 
405  GpgmeDataPtr out(nullptr, gpgme_data_release);
406  err = gpgme_data_new (&out.get());
407  if (err) {
408  ERR << err << endl;
409  return false;
410  }
411 
412  //format as ascii armored
413  gpgme_set_armor (_pimpl->_ctx, 1);
414  // bsc#1179222: Remove outdated self signatures when exporting the key.
415  // The keyring does not order the signatures when multiple versions of the
416  // same key are imported. Rpm however uses the 1st to compute the -release
417  // of the gpg-pubkey. So we export only the latest to get a proper-release.
418  err = gpgme_op_export_keys (_pimpl->_ctx, keyarray, GPGME_EXPORT_MODE_MINIMAL, out.get());
419  if (!err) {
420  int ret = gpgme_data_seek (out.get(), 0, SEEK_SET);
421  if (ret) {
422  ERR << "Unable to seek in exported key data" << endl;
423  return false;
424  }
425 
426  const int bufsize = 512;
427  char buf[bufsize + 1];
428  while ((ret = gpgme_data_read(out.get(), buf, bufsize)) > 0) {
429  stream.write(buf, ret);
430  }
431 
432  //failed to read from buffer
433  if (ret < 0) {
434  ERR << "Unable to read exported key data" << endl;
435  return false;
436  }
437  } else {
438  ERR << "Error exporting key: "<< err << endl;
439  return false;
440  }
441 
442  //if we reach this point export was successful
443  return true;
444 }
445 
446 bool KeyManagerCtx::importKey(const Pathname &keyfile)
447 {
448  if ( !PathInfo( keyfile ).isExist() ) {
449  ERR << "Keyfile '" << keyfile << "' does not exist.";
450  return false;
451  }
452 
453  GpgmeDataPtr data(nullptr, gpgme_data_release);
454  GpgmeErr err;
455 
456  err = gpgme_data_new_from_file(&data.get(), keyfile.c_str(), 1);
457  if (err) {
458  ERR << "Error importing key: "<< err << endl;
459  return false;
460  }
461 
462  return _pimpl->importKey( data, [&](){ return PathInfo(keyfile).size(); } );
463 }
464 
465 bool KeyManagerCtx::importKey( const ByteArray &keydata )
466 {
467  GpgmeDataPtr data(nullptr, gpgme_data_release);
468  GpgmeErr err;
469 
470  err = gpgme_data_new_from_mem( &data.get(), keydata.data(), keydata.size(), 1);
471  if (err) {
472  ERR << "Error importing key: "<< err << endl;
473  return false;
474  }
475 
476  return _pimpl->importKey( data, [&](){ return keydata.size(); } );
477 }
478 
479 template<typename Callback>
480 bool KeyManagerCtx::Impl::importKey(GpgmeDataPtr &data, Callback &&calcDataSize)
481 {
482  GpgmeErr err;
483  err = gpgme_op_import( _ctx, data.get() );
484  if (err) {
485  ERR << "Error importing key: "<< err << endl;
486  return false;
487  }
488 
489  // Work around bsc#1127220 [libgpgme] no error upon incomplete import due to signal received.
490  // We need this error, otherwise RpmDb will report the missing keys as 'probably v3'.
491  if ( gpgme_import_result_t res = gpgme_op_import_result(_ctx) )
492  {
493  if ( ! res->considered && std::forward<Callback>(calcDataSize)() )
494  {
495  DBG << *res << endl;
496  ERR << "Error importing key: No keys considered (bsc#1127220, [libgpgme] signal received?)" << endl;
497  return false;
498  }
499  }
500 
501  return (err == GPG_ERR_NO_ERROR);
502 }
503 
504 bool KeyManagerCtx::deleteKey(const std::string &id)
505 {
506  gpgme_key_t key;
507  GpgmeErr err = GPG_ERR_NO_ERROR;
508 
509  gpgme_op_keylist_start(_pimpl->_ctx, NULL, 0);
510 
511  while (!(err = gpgme_op_keylist_next(_pimpl->_ctx, &key))) {
512  if (key->subkeys && id == str::asString(key->subkeys->keyid)) {
513  err = gpgme_op_delete(_pimpl->_ctx, key, 0);
514 
515  gpgme_key_release(key);
516  gpgme_op_keylist_end(_pimpl->_ctx);
517 
518  if (err) {
519  ERR << "Error deleting key: "<< err << endl;
520  return false;
521  }
522  return true;
523  }
524  gpgme_key_release(key);
525  }
526 
527  gpgme_op_keylist_end(_pimpl->_ctx);
528  WAR << "Key: '"<< id << "' not found." << endl;
529  return false;
530 }
531 
532 std::list<std::string> KeyManagerCtx::readSignatureFingerprints(const Pathname &signature)
533 { return _pimpl->readSignaturesFprs(signature); }
534 
535 std::list<std::string> KeyManagerCtx::readSignatureFingerprints(const ByteArray &keyData)
536 { return _pimpl->readSignaturesFprs(keyData); }
537 
538 } // namespace zypp
int assert_dir(const Pathname &path, unsigned mode)
Like &#39;mkdir -p&#39;.
Definition: PathInfo.cc:319
#define MIL
Definition: Logger.h:96
std::list< PublicKeyData > readKeyFromFile(const Pathname &file)
Returns a list of all PublicKeyData found in file.
Definition: KeyManager.cc:349
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.
Definition: Exception.h:428
std::list< std::string > readSignaturesFprs(const Pathname &signature_r)
Return all fingerprints found in signature_r.
Definition: KeyManager.cc:115
gpgme_error_t _err
Definition: KeyManager.cc:64
Class representing one GPG Public Keys data.
Definition: PublicKey.h:206
int clean_dir(const Pathname &path)
Like &#39;rm -r DIR/ *&#39;.
Definition: PathInfo.cc:442
const char * c_str() const
String representation.
Definition: Pathname.h:110
String related utilities and Regular expression matching.
const std::string & asString(const std::string &t)
Global asString() that works with std::string too.
Definition: String.h:139
std::ostream & operator<<(std::ostream &str, const SerialNumber &obj)
Definition: SerialNumber.cc:52
bool verify(const Pathname &file, const Pathname &signature)
Tries to verify file using signature, returns true on success.
Definition: KeyManager.cc:372
static KeyManagerCtx createForOpenPGP()
Creates a new KeyManagerCtx for PGP using a volatile temp.
Definition: KeyManager.cc:270
#define ERR
Definition: Logger.h:98
bool exportKey(const std::string &id, std::ostream &stream)
Exports the key with id into the given stream, returns true on success.
Definition: KeyManager.cc:377
RW_pointer< Impl > _pimpl
Pointer to implementation.
Definition: KeyManager.h:89
Pathname homedir() const
Return the homedir/keyring.
Definition: KeyManager.cc:311
bool empty() const
Test for an empty path.
Definition: Pathname.h:114
bool importKey(const Pathname &keyfile)
Tries to import a key from keyfile, returns true on success.
Definition: KeyManager.cc:446
std::list< std::string > readSignaturesFprs(const ByteArray &signature_r)
Return all fingerprints found in signature_r.
Definition: KeyManager.cc:119
bool verifySignaturesFprs(const Pathname &file_r, const Pathname &signature_r)
Tries to verify the file_r using signature_r.
Definition: KeyManager.cc:123
#define WAR
Definition: Logger.h:97
Pathname myTmpDir()
Global access to the zypp.TMPDIR (created on demand, deleted when libzypp is unloaded) ...
Definition: ZYppImpl.cc:343
bool deleteKey(const std::string &id)
Tries to delete a key specified by id, returns true on success.
Definition: KeyManager.cc:504
bool importKey(GpgmeDataPtr &data, Callback &&calcDataSize)
Definition: KeyManager.cc:480
std::list< PublicKeyData > listKeys()
Returns a list of all public keys found in the current keyring.
Definition: KeyManager.cc:319
GpgmeException(const std::string &in_r, const GpgmeErr &err_r)
Definition: KeyManager.cc:99
Reference counted access to a Tp object calling a custom Dispose function when the last AutoDispose h...
Definition: AutoDispose.h:93
Wrapper class for ::stat/::lstat.
Definition: PathInfo.h:220
std::list< std::string > readSignatureFingerprints(const Pathname &signature)
Reads all fingerprints from the signature file , returns a list of all found fingerprints.
Definition: KeyManager.cc:532
std::list< std::string > readSignaturesFprsOptVerify(const Pathname &signature_r, const Pathname &file_r="/dev/null", bool *verify_r=nullptr)
Return all fingerprints found in signature_r and optionally verify the file_r on the fly...
Definition: KeyManager.cc:147
static PublicKeyData fromGpgmeKey(_gpgme_key *data)
Definition: PublicKey.cc:411
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:1
bool _volatile
readKeyFromFile workaround bsc#1140670
Definition: KeyManager.cc:134
#define DBG
Definition: Logger.h:95