libzypp  17.29.3
MediaCurl.cc
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8 \---------------------------------------------------------------------*/
13 #include <iostream>
14 #include <list>
15 
16 #include <zypp/base/Logger.h>
17 #include <zypp/ExternalProgram.h>
18 #include <zypp/base/String.h>
19 #include <zypp/base/Gettext.h>
20 #include <zypp-core/parser/Sysconfig>
21 #include <zypp/base/Gettext.h>
22 
23 #include <zypp/media/MediaCurl.h>
24 #include <zypp-curl/ProxyInfo>
25 #include <zypp-curl/auth/CurlAuthData>
26 #include <zypp-media/auth/CredentialManager>
27 #include <zypp-curl/CurlConfig>
28 #include <zypp-curl/private/curlhelper_p.h>
29 #include <zypp/Target.h>
30 #include <zypp/ZYppFactory.h>
31 #include <zypp/ZConfig.h>
32 
33 #include <cstdlib>
34 #include <sys/types.h>
35 #include <sys/stat.h>
36 #include <sys/mount.h>
37 #include <errno.h>
38 #include <dirent.h>
39 #include <unistd.h>
40 
41 using std::endl;
42 
43 namespace internal {
44  using namespace zypp;
45  struct ProgressData
46  {
47  ProgressData( CURL *_curl, time_t _timeout = 0, const zypp::Url & _url = zypp::Url(),
48  zypp::ByteCount expectedFileSize_r = 0,
50 
51  CURL *curl;
53  time_t timeout;
54  bool reached;
58 
59  time_t _timeStart = 0;
60  time_t _timeLast = 0;
61  time_t _timeRcv = 0;
62  time_t _timeNow = 0;
63 
64  double _dnlTotal = 0.0;
65  double _dnlLast = 0.0;
66  double _dnlNow = 0.0;
67 
68  int _dnlPercent= 0;
69 
70  double _drateTotal= 0.0;
71  double _drateLast = 0.0;
72 
73  void updateStats( double dltotal = 0.0, double dlnow = 0.0 );
74 
75  int reportProgress() const;
76 
77 
78  // download rate of the last period (cca 1 sec)
79  double drate_period;
80  // bytes downloaded at the start of the last period
81  double dload_period;
82  // seconds from the start of the download
83  long secs;
84  // average download rate
85  double drate_avg;
86  // last time the progress was reported
87  time_t ltime;
88  // bytes downloaded at the moment the progress was last reported
89  double dload;
90  // bytes uploaded at the moment the progress was last reported
91  double uload;
92  };
93 
94 
95 
96  ProgressData::ProgressData(CURL *_curl, time_t _timeout, const Url &_url, ByteCount expectedFileSize_r, zypp::callback::SendReport< zypp::media::DownloadProgressReport> *_report)
97  : curl( _curl )
98  , url( _url )
99  , timeout( _timeout )
100  , reached( false )
101  , fileSizeExceeded ( false )
102  , report( _report )
103  , _expectedFileSize( expectedFileSize_r )
104  {}
105 
106  void ProgressData::updateStats(double dltotal, double dlnow)
107  {
108  time_t now = _timeNow = time(0);
109 
110  // If called without args (0.0), recompute based on the last values seen
111  if ( dltotal && dltotal != _dnlTotal )
112  _dnlTotal = dltotal;
113 
114  if ( dlnow && dlnow != _dnlNow )
115  {
116  _timeRcv = now;
117  _dnlNow = dlnow;
118  }
119  else if ( !_dnlNow && !_dnlTotal )
120  {
121  // Start time counting as soon as first data arrives.
122  // Skip the connection / redirection time at begin.
123  return;
124  }
125 
126  // init or reset if time jumps back
127  if ( !_timeStart || _timeStart > now )
128  _timeStart = _timeLast = _timeRcv = now;
129 
130  // timeout condition
131  if ( timeout )
132  reached = ( (now - _timeRcv) > timeout );
133 
134  // check if the downloaded data is already bigger than what we expected
135  fileSizeExceeded = _expectedFileSize > 0 && _expectedFileSize < static_cast<ByteCount::SizeType>(_dnlNow);
136 
137  // percentage:
138  if ( _dnlTotal )
139  _dnlPercent = int(_dnlNow * 100 / _dnlTotal);
140 
141  // download rates:
142  _drateTotal = _dnlNow / std::max( int(now - _timeStart), 1 );
143 
144  if ( _timeLast < now )
145  {
146  _drateLast = (_dnlNow - _dnlLast) / int(now - _timeLast);
147  // start new period
148  _timeLast = now;
149  _dnlLast = _dnlNow;
150  }
151  else if ( _timeStart == _timeLast )
153  }
154 
156  {
157  if ( fileSizeExceeded )
158  return 1;
159  if ( reached )
160  return 1; // no-data timeout
161  if ( report && !(*report)->progress( _dnlPercent, url, _drateTotal, _drateLast ) )
162  return 1; // user requested abort
163  return 0;
164  }
165 
166  const char * anonymousIdHeader()
167  {
168  // we need to add the release and identifier to the
169  // agent string.
170  // The target could be not initialized, and then this information
171  // is guessed.
172  static const std::string _value(
174  "X-ZYpp-AnonymousId: %s",
175  Target::anonymousUniqueId( Pathname()/*guess root*/ ).c_str() ) )
176  );
177  return _value.c_str();
178  }
179 
181  {
182  // we need to add the release and identifier to the
183  // agent string.
184  // The target could be not initialized, and then this information
185  // is guessed.
186  static const std::string _value(
188  "X-ZYpp-DistributionFlavor: %s",
189  Target::distributionFlavor( Pathname()/*guess root*/ ).c_str() ) )
190  );
191  return _value.c_str();
192  }
193 
194  const char * agentString()
195  {
196  // we need to add the release and identifier to the
197  // agent string.
198  // The target could be not initialized, and then this information
199  // is guessed.
200  static const std::string _value(
201  str::form(
202  "ZYpp " LIBZYPP_VERSION_STRING " (curl %s) %s"
203  , curl_version_info(CURLVERSION_NOW)->version
204  , Target::targetDistribution( Pathname()/*guess root*/ ).c_str()
205  )
206  );
207  return _value.c_str();
208  }
209 }
210 
211 
212 using namespace internal;
213 using namespace zypp::base;
214 
215 namespace zypp {
216 
217  namespace media {
218 
219 Pathname MediaCurl::_cookieFile = "/var/lib/YaST2/cookies";
220 
221 // we use this define to unbloat code as this C setting option
222 // and catching exception is done frequently.
224 #define SET_OPTION(opt,val) do { \
225  ret = curl_easy_setopt ( _curl, opt, val ); \
226  if ( ret != 0) { \
227  ZYPP_THROW(MediaCurlSetOptException(_url, _curlError)); \
228  } \
229  } while ( false )
230 
231 #define SET_OPTION_OFFT(opt,val) SET_OPTION(opt,(curl_off_t)val)
232 #define SET_OPTION_LONG(opt,val) SET_OPTION(opt,(long)val)
233 #define SET_OPTION_VOID(opt,val) SET_OPTION(opt,(void*)val)
234 
235 MediaCurl::MediaCurl( const Url & url_r,
236  const Pathname & attach_point_hint_r )
237  : MediaNetworkCommonHandler( url_r, attach_point_hint_r,
238  "/", // urlpath at attachpoint
239  true ), // does_download
240  _curl( NULL ),
241  _customHeaders(0L)
242 {
243  _curlError[0] = '\0';
244  _curlDebug = 0L;
245 
246  MIL << "MediaCurl::MediaCurl(" << url_r << ", " << attach_point_hint_r << ")" << endl;
247 
248  globalInitCurlOnce();
249 
250  if( !attachPoint().empty())
251  {
252  PathInfo ainfo(attachPoint());
253  Pathname apath(attachPoint() + "XXXXXX");
254  char *atemp = ::strdup( apath.asString().c_str());
255  char *atest = NULL;
256  if( !ainfo.isDir() || !ainfo.userMayRWX() ||
257  atemp == NULL || (atest=::mkdtemp(atemp)) == NULL)
258  {
259  WAR << "attach point " << ainfo.path()
260  << " is not useable for " << url_r.getScheme() << endl;
261  setAttachPoint("", true);
262  }
263  else if( atest != NULL)
264  ::rmdir(atest);
265 
266  if( atemp != NULL)
267  ::free(atemp);
268  }
269 }
270 
272 {
273  return internal::clearQueryString(url);
274 }
275 
276 void MediaCurl::setCookieFile( const Pathname &fileName )
277 {
278  _cookieFile = fileName;
279 }
280 
282 
283 void MediaCurl::checkProtocol(const Url &url) const
284 {
285  curl_version_info_data *curl_info = NULL;
286  curl_info = curl_version_info(CURLVERSION_NOW);
287  // curl_info does not need any free (is static)
288  if (curl_info->protocols)
289  {
290  const char * const *proto;
291  std::string scheme( url.getScheme());
292  bool found = false;
293  for(proto=curl_info->protocols; !found && *proto; ++proto)
294  {
295  if( scheme == std::string((const char *)*proto))
296  found = true;
297  }
298  if( !found)
299  {
300  std::string msg("Unsupported protocol '");
301  msg += scheme;
302  msg += "'";
303  ZYPP_THROW(MediaBadUrlException(_url, msg));
304  }
305  }
306 }
307 
309 {
310  {
311  _curlDebug = env::ZYPP_MEDIA_CURL_DEBUG();
312  if( _curlDebug > 0)
313  {
314  curl_easy_setopt( _curl, CURLOPT_VERBOSE, 1L);
315  curl_easy_setopt( _curl, CURLOPT_DEBUGFUNCTION, log_curl);
316  curl_easy_setopt( _curl, CURLOPT_DEBUGDATA, &_curlDebug);
317  }
318  }
319 
320  curl_easy_setopt(_curl, CURLOPT_HEADERFUNCTION, log_redirects_curl);
321  curl_easy_setopt(_curl, CURLOPT_HEADERDATA, &_lastRedirect);
322  CURLcode ret = curl_easy_setopt( _curl, CURLOPT_ERRORBUFFER, _curlError );
323  if ( ret != 0 ) {
324  ZYPP_THROW(MediaCurlSetOptException(_url, "Error setting error buffer"));
325  }
326 
327  SET_OPTION(CURLOPT_FAILONERROR, 1L);
328  SET_OPTION(CURLOPT_NOSIGNAL, 1L);
329 
330  // create non persistant settings
331  // so that we don't add headers twice
332  TransferSettings vol_settings(_settings);
333 
334  // add custom headers for download.opensuse.org (bsc#955801)
335  if ( _url.getHost() == "download.opensuse.org" )
336  {
337  vol_settings.addHeader(anonymousIdHeader());
338  vol_settings.addHeader(distributionFlavorHeader());
339  }
340  vol_settings.addHeader("Pragma:");
341 
342  _settings.setTimeout(ZConfig::instance().download_transfer_timeout());
343  _settings.setConnectTimeout(CONNECT_TIMEOUT);
344 
345  _settings.setUserAgentString(agentString());
346 
347  // fill some settings from url query parameters
348  try
349  {
350  fillSettingsFromUrl(_url, _settings);
351  }
352  catch ( const MediaException &e )
353  {
354  disconnectFrom();
355  ZYPP_RETHROW(e);
356  }
357  // if the proxy was not set (or explicitly unset) by url, then look...
358  if ( _settings.proxy().empty() )
359  {
360  // ...at the system proxy settings
361  fillSettingsSystemProxy(_url, _settings);
362  }
363 
365  switch ( env::ZYPP_MEDIA_CURL_IPRESOLVE() )
366  {
367  case 4: SET_OPTION(CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); break;
368  case 6: SET_OPTION(CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6); break;
369  }
370 
374  SET_OPTION(CURLOPT_CONNECTTIMEOUT, _settings.connectTimeout());
375  // If a transfer timeout is set, also set CURLOPT_TIMEOUT to an upper limit
376  // just in case curl does not trigger its progress callback frequently
377  // enough.
378  if ( _settings.timeout() )
379  {
380  SET_OPTION(CURLOPT_TIMEOUT, 3600L);
381  }
382 
383  // follow any Location: header that the server sends as part of
384  // an HTTP header (#113275)
385  SET_OPTION(CURLOPT_FOLLOWLOCATION, 1L);
386  // 3 redirects seem to be too few in some cases (bnc #465532)
387  SET_OPTION(CURLOPT_MAXREDIRS, 6L);
388 
389  if ( _url.getScheme() == "https" )
390  {
391 #if CURLVERSION_AT_LEAST(7,19,4)
392  // restrict following of redirections from https to https only
393  if ( _url.getHost() == "download.opensuse.org" )
394  SET_OPTION( CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
395  else
396  SET_OPTION( CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS );
397 #endif
398 
399  if( _settings.verifyPeerEnabled() ||
400  _settings.verifyHostEnabled() )
401  {
402  SET_OPTION(CURLOPT_CAPATH, _settings.certificateAuthoritiesPath().c_str());
403  }
404 
405  if( ! _settings.clientCertificatePath().empty() )
406  {
407  SET_OPTION(CURLOPT_SSLCERT, _settings.clientCertificatePath().c_str());
408  }
409  if( ! _settings.clientKeyPath().empty() )
410  {
411  SET_OPTION(CURLOPT_SSLKEY, _settings.clientKeyPath().c_str());
412  }
413 
414 #ifdef CURLSSLOPT_ALLOW_BEAST
415  // see bnc#779177
416  ret = curl_easy_setopt( _curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST );
417  if ( ret != 0 ) {
418  disconnectFrom();
419  ZYPP_THROW(MediaCurlSetOptException(_url, _curlError));
420  }
421 #endif
422  SET_OPTION(CURLOPT_SSL_VERIFYPEER, _settings.verifyPeerEnabled() ? 1L : 0L);
423  SET_OPTION(CURLOPT_SSL_VERIFYHOST, _settings.verifyHostEnabled() ? 2L : 0L);
424  // bnc#903405 - POODLE: libzypp should only talk TLS
425  SET_OPTION(CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
426  }
427 
428  SET_OPTION(CURLOPT_USERAGENT, _settings.userAgentString().c_str() );
429 
430  /* Fixes bsc#1174011 "auth=basic ignored in some cases"
431  * We should proactively add the password to the request if basic auth is configured
432  * and a password is available in the credentials but not in the URL.
433  *
434  * We will be a bit paranoid here and require that the URL has a user embedded, otherwise we go the default route
435  * and ask the server first about the auth method
436  */
437  if ( _settings.authType() == "basic"
438  && _settings.username().size()
439  && !_settings.password().size() ) {
440 
441  CredentialManager cm(CredManagerOptions(ZConfig::instance().repoManagerRoot()));
442  const auto cred = cm.getCred( _url );
443  if ( cred && cred->valid() ) {
444  if ( !_settings.username().size() )
445  _settings.setUsername(cred->username());
446  _settings.setPassword(cred->password());
447  }
448  }
449 
450  /*---------------------------------------------------------------*
451  CURLOPT_USERPWD: [user name]:[password]
452 
453  Url::username/password -> CURLOPT_USERPWD
454  If not provided, anonymous FTP identification
455  *---------------------------------------------------------------*/
456 
457  if ( _settings.userPassword().size() )
458  {
459  SET_OPTION(CURLOPT_USERPWD, _settings.userPassword().c_str());
460  std::string use_auth = _settings.authType();
461  if (use_auth.empty())
462  use_auth = "digest,basic"; // our default
463  long auth = CurlAuthData::auth_type_str2long(use_auth);
464  if( auth != CURLAUTH_NONE)
465  {
466  DBG << "Enabling HTTP authentication methods: " << use_auth
467  << " (CURLOPT_HTTPAUTH=" << auth << ")" << std::endl;
468  SET_OPTION(CURLOPT_HTTPAUTH, auth);
469  }
470  }
471 
472  if ( _settings.proxyEnabled() && ! _settings.proxy().empty() )
473  {
474  DBG << "Proxy: '" << _settings.proxy() << "'" << endl;
475  SET_OPTION(CURLOPT_PROXY, _settings.proxy().c_str());
476  SET_OPTION(CURLOPT_PROXYAUTH, CURLAUTH_BASIC|CURLAUTH_DIGEST|CURLAUTH_NTLM );
477  /*---------------------------------------------------------------*
478  * CURLOPT_PROXYUSERPWD: [user name]:[password]
479  *
480  * Url::option(proxyuser and proxypassword) -> CURLOPT_PROXYUSERPWD
481  * If not provided, $HOME/.curlrc is evaluated
482  *---------------------------------------------------------------*/
483 
484  std::string proxyuserpwd = _settings.proxyUserPassword();
485 
486  if ( proxyuserpwd.empty() )
487  {
488  CurlConfig curlconf;
489  CurlConfig::parseConfig(curlconf); // parse ~/.curlrc
490  if ( curlconf.proxyuserpwd.empty() )
491  DBG << "Proxy: ~/.curlrc does not contain the proxy-user option" << endl;
492  else
493  {
494  proxyuserpwd = curlconf.proxyuserpwd;
495  DBG << "Proxy: using proxy-user from ~/.curlrc" << endl;
496  }
497  }
498  else
499  {
500  DBG << "Proxy: using provided proxy-user '" << _settings.proxyUsername() << "'" << endl;
501  }
502 
503  if ( ! proxyuserpwd.empty() )
504  {
505  SET_OPTION(CURLOPT_PROXYUSERPWD, curlUnEscape( proxyuserpwd ).c_str());
506  }
507  }
508 #if CURLVERSION_AT_LEAST(7,19,4)
509  else if ( _settings.proxy() == EXPLICITLY_NO_PROXY )
510  {
511  // Explicitly disabled in URL (see fillSettingsFromUrl()).
512  // This should also prevent libcurl from looking into the environment.
513  DBG << "Proxy: explicitly NOPROXY" << endl;
514  SET_OPTION(CURLOPT_NOPROXY, "*");
515  }
516 #endif
517  else
518  {
519  DBG << "Proxy: not explicitly set" << endl;
520  DBG << "Proxy: libcurl may look into the environment" << endl;
521  }
522 
524  if ( _settings.minDownloadSpeed() != 0 )
525  {
526  SET_OPTION(CURLOPT_LOW_SPEED_LIMIT, _settings.minDownloadSpeed());
527  // default to 10 seconds at low speed
528  SET_OPTION(CURLOPT_LOW_SPEED_TIME, 60L);
529  }
530 
531 #if CURLVERSION_AT_LEAST(7,15,5)
532  if ( _settings.maxDownloadSpeed() != 0 )
533  SET_OPTION_OFFT(CURLOPT_MAX_RECV_SPEED_LARGE, _settings.maxDownloadSpeed());
534 #endif
535 
536  /*---------------------------------------------------------------*
537  *---------------------------------------------------------------*/
538 
541  if ( str::strToBool( _url.getQueryParam( "cookies" ), true ) )
542  SET_OPTION(CURLOPT_COOKIEFILE, _currentCookieFile.c_str() );
543  else
544  MIL << "No cookies requested" << endl;
545  SET_OPTION(CURLOPT_COOKIEJAR, _currentCookieFile.c_str() );
546  SET_OPTION(CURLOPT_PROGRESSFUNCTION, &progressCallback );
547  SET_OPTION(CURLOPT_NOPROGRESS, 0L);
548 
549 #if CURLVERSION_AT_LEAST(7,18,0)
550  // bnc #306272
551  SET_OPTION(CURLOPT_PROXY_TRANSFER_MODE, 1L );
552 #endif
553  // append settings custom headers to curl
554  for ( const auto &header : vol_settings.headers() )
555  {
556  // MIL << "HEADER " << *it << std::endl;
557 
558  _customHeaders = curl_slist_append(_customHeaders, header.c_str());
559  if ( !_customHeaders )
560  ZYPP_THROW(MediaCurlInitException(_url));
561  }
562 
563  SET_OPTION(CURLOPT_HTTPHEADER, _customHeaders);
564 }
565 
567 
568 
569 void MediaCurl::attachTo (bool next)
570 {
571  if ( next )
572  ZYPP_THROW(MediaNotSupportedException(_url));
573 
574  if ( !_url.isValid() )
575  ZYPP_THROW(MediaBadUrlException(_url));
576 
579  {
581  }
582 
583  disconnectFrom(); // clean _curl if needed
584  _curl = curl_easy_init();
585  if ( !_curl ) {
586  ZYPP_THROW(MediaCurlInitException(_url));
587  }
588  try
589  {
590  setupEasy();
591  }
592  catch (Exception & ex)
593  {
594  disconnectFrom();
595  ZYPP_RETHROW(ex);
596  }
597 
598  // FIXME: need a derived class to propelly compare url's
600  setMediaSource(media);
601 }
602 
603 bool
605 {
606  return MediaHandler::checkAttachPoint( apoint, true, true);
607 }
608 
610 
612 {
613  if ( _customHeaders )
614  {
615  curl_slist_free_all(_customHeaders);
616  _customHeaders = 0L;
617  }
618 
619  if ( _curl )
620  {
621  curl_easy_cleanup( _curl );
622  _curl = NULL;
623  }
624 }
625 
627 
628 void MediaCurl::releaseFrom( const std::string & ejectDev )
629 {
630  disconnect();
631 }
632 
633 Url MediaCurl::getFileUrl( const Pathname & filename_r ) const
634 {
635  // Simply extend the URLs pathname. An 'absolute' URL path
636  // is achieved by encoding the leading '/' in an URL path:
637  // URL: ftp://user@server -> ~user
638  // URL: ftp://user@server/ -> ~user
639  // URL: ftp://user@server// -> ~user
640  // URL: ftp://user@server/%2F -> /
641  // ^- this '/' is just a separator
642  Url newurl( _url );
643  newurl.setPathName( ( Pathname("./"+_url.getPathName()) / filename_r ).asString().substr(1) );
644  return newurl;
645 }
646 
648 
649 void MediaCurl::getFile( const OnMediaLocation &file ) const
650 {
651  // Use absolute file name to prevent access of files outside of the
652  // hierarchy below the attach point.
653  getFileCopy( file, localPath(file.filename()).absolutename() );
654 }
655 
657 
658 void MediaCurl::getFileCopy( const OnMediaLocation & srcFile , const Pathname & target ) const
659 {
660 
661  const auto &filename = srcFile.filename();
662 
664 
665  Url fileurl(getFileUrl(filename));
666 
667  bool retry = false;
668 
669  do
670  {
671  try
672  {
673  doGetFileCopy( srcFile, target, report );
674  retry = false;
675  }
676  // retry with proper authentication data
677  catch (MediaUnauthorizedException & ex_r)
678  {
679  if(authenticate(ex_r.hint(), !retry))
680  retry = true;
681  else
682  {
683  report->finish(fileurl, zypp::media::DownloadProgressReport::ACCESS_DENIED, ex_r.asUserHistory());
684  ZYPP_RETHROW(ex_r);
685  }
686  }
687  // unexpected exception
688  catch (MediaException & excpt_r)
689  {
691  if( typeid(excpt_r) == typeid( media::MediaFileNotFoundException ) ||
692  typeid(excpt_r) == typeid( media::MediaNotAFileException ) )
693  {
695  }
696  report->finish(fileurl, reason, excpt_r.asUserHistory());
697  ZYPP_RETHROW(excpt_r);
698  }
699  }
700  while (retry);
701 
702  report->finish(fileurl, zypp::media::DownloadProgressReport::NO_ERROR, "");
703 }
704 
706 
707 bool MediaCurl::getDoesFileExist( const Pathname & filename ) const
708 {
709  bool retry = false;
710 
711  do
712  {
713  try
714  {
715  return doGetDoesFileExist( filename );
716  }
717  // authentication problem, retry with proper authentication data
718  catch (MediaUnauthorizedException & ex_r)
719  {
720  if(authenticate(ex_r.hint(), !retry))
721  retry = true;
722  else
723  ZYPP_RETHROW(ex_r);
724  }
725  // unexpected exception
726  catch (MediaException & excpt_r)
727  {
728  ZYPP_RETHROW(excpt_r);
729  }
730  }
731  while (retry);
732 
733  return false;
734 }
735 
737 
739  CURLcode code,
740  bool timeout_reached) const
741 {
742  if ( code != 0 )
743  {
744  Url url;
745  if (filename.empty())
746  url = _url;
747  else
748  url = getFileUrl(filename);
749 
750  std::string err;
751  {
752  switch ( code )
753  {
754  case CURLE_UNSUPPORTED_PROTOCOL:
755  err = " Unsupported protocol";
756  if ( !_lastRedirect.empty() )
757  {
758  err += " or redirect (";
759  err += _lastRedirect;
760  err += ")";
761  }
762  break;
763  case CURLE_URL_MALFORMAT:
764  case CURLE_URL_MALFORMAT_USER:
765  err = " Bad URL";
766  break;
767  case CURLE_LOGIN_DENIED:
768  ZYPP_THROW(
769  MediaUnauthorizedException(url, "Login failed.", _curlError, ""));
770  break;
771  case CURLE_HTTP_RETURNED_ERROR:
772  {
773  long httpReturnCode = 0;
774  CURLcode infoRet = curl_easy_getinfo( _curl,
775  CURLINFO_RESPONSE_CODE,
776  &httpReturnCode );
777  if ( infoRet == CURLE_OK )
778  {
779  std::string msg = "HTTP response: " + str::numstring( httpReturnCode );
780  switch ( httpReturnCode )
781  {
782  case 401:
783  {
784  std::string auth_hint = getAuthHint();
785 
786  DBG << msg << " Login failed (URL: " << url.asString() << ")" << std::endl;
787  DBG << "MediaUnauthorizedException auth hint: '" << auth_hint << "'" << std::endl;
788 
789  ZYPP_THROW(MediaUnauthorizedException(
790  url, "Login failed.", _curlError, auth_hint
791  ));
792  }
793 
794  case 502: // bad gateway (bnc #1070851)
795  case 503: // service temporarily unavailable (bnc #462545)
796  ZYPP_THROW(MediaTemporaryProblemException(url));
797  case 504: // gateway timeout
798  ZYPP_THROW(MediaTimeoutException(url));
799  case 403:
800  {
801  std::string msg403;
802  if ( url.getHost().find(".suse.com") != std::string::npos )
803  msg403 = _("Visit the SUSE Customer Center to check whether your registration is valid and has not expired.");
804  else if (url.asString().find("novell.com") != std::string::npos)
805  msg403 = _("Visit the Novell Customer Center to check whether your registration is valid and has not expired.");
806  ZYPP_THROW(MediaForbiddenException(url, msg403));
807  }
808  case 404:
809  case 410:
810  ZYPP_THROW(MediaFileNotFoundException(_url, filename));
811  }
812 
813  DBG << msg << " (URL: " << url.asString() << ")" << std::endl;
814  ZYPP_THROW(MediaCurlException(url, msg, _curlError));
815  }
816  else
817  {
818  std::string msg = "Unable to retrieve HTTP response:";
819  DBG << msg << " (URL: " << url.asString() << ")" << std::endl;
820  ZYPP_THROW(MediaCurlException(url, msg, _curlError));
821  }
822  }
823  break;
824  case CURLE_FTP_COULDNT_RETR_FILE:
825 #if CURLVERSION_AT_LEAST(7,16,0)
826  case CURLE_REMOTE_FILE_NOT_FOUND:
827 #endif
828  case CURLE_FTP_ACCESS_DENIED:
829  case CURLE_TFTP_NOTFOUND:
830  err = "File not found";
831  ZYPP_THROW(MediaFileNotFoundException(_url, filename));
832  break;
833  case CURLE_BAD_PASSWORD_ENTERED:
834  case CURLE_FTP_USER_PASSWORD_INCORRECT:
835  err = "Login failed";
836  break;
837  case CURLE_COULDNT_RESOLVE_PROXY:
838  case CURLE_COULDNT_RESOLVE_HOST:
839  case CURLE_COULDNT_CONNECT:
840  case CURLE_FTP_CANT_GET_HOST:
841  err = "Connection failed";
842  break;
843  case CURLE_WRITE_ERROR:
844  err = "Write error";
845  break;
846  case CURLE_PARTIAL_FILE:
847  case CURLE_OPERATION_TIMEDOUT:
848  timeout_reached = true; // fall though to TimeoutException
849  // fall though...
850  case CURLE_ABORTED_BY_CALLBACK:
851  if( timeout_reached )
852  {
853  err = "Timeout reached";
854  ZYPP_THROW(MediaTimeoutException(url));
855  }
856  else
857  {
858  err = "User abort";
859  }
860  break;
861  case CURLE_SSL_PEER_CERTIFICATE:
862  default:
863  err = "Curl error " + str::numstring( code );
864  break;
865  }
866 
867  // uhm, no 0 code but unknown curl exception
868  ZYPP_THROW(MediaCurlException(url, err, _curlError));
869  }
870  }
871  else
872  {
873  // actually the code is 0, nothing happened
874  }
875 }
876 
878 
879 bool MediaCurl::doGetDoesFileExist( const Pathname & filename ) const
880 {
881  DBG << filename.asString() << endl;
882 
883  if(!_url.isValid())
884  ZYPP_THROW(MediaBadUrlException(_url));
885 
886  if(_url.getHost().empty())
887  ZYPP_THROW(MediaBadUrlEmptyHostException(_url));
888 
889  Url url(getFileUrl(filename));
890 
891  DBG << "URL: " << url.asString() << endl;
892  // Use URL without options and without username and passwd
893  // (some proxies dislike them in the URL).
894  // Curl seems to need the just scheme, hostname and a path;
895  // the rest was already passed as curl options (in attachTo).
896  Url curlUrl( clearQueryString(url) );
897 
898  //
899  // See also Bug #154197 and ftp url definition in RFC 1738:
900  // The url "ftp://user@host/foo/bar/file" contains a path,
901  // that is relative to the user's home.
902  // The url "ftp://user@host//foo/bar/file" (or also with
903  // encoded slash as %2f) "ftp://user@host/%2ffoo/bar/file"
904  // contains an absolute path.
905  //
906  _lastRedirect.clear();
907  std::string urlBuffer( curlUrl.asString());
908  CURLcode ret = curl_easy_setopt( _curl, CURLOPT_URL,
909  urlBuffer.c_str() );
910  if ( ret != 0 ) {
911  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
912  }
913 
914  // instead of returning no data with NOBODY, we return
915  // little data, that works with broken servers, and
916  // works for ftp as well, because retrieving only headers
917  // ftp will return always OK code ?
918  // See http://curl.haxx.se/docs/knownbugs.html #58
919  if ( (_url.getScheme() == "http" || _url.getScheme() == "https") &&
920  _settings.headRequestsAllowed() )
921  ret = curl_easy_setopt( _curl, CURLOPT_NOBODY, 1L );
922  else
923  ret = curl_easy_setopt( _curl, CURLOPT_RANGE, "0-1" );
924 
925  if ( ret != 0 ) {
926  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
927  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
928  /* yes, this is why we never got to get NOBODY working before,
929  because setting it changes this option too, and we also
930  need to reset it
931  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
932  */
933  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L );
934  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
935  }
936 
937  AutoFILE file { ::fopen( "/dev/null", "w" ) };
938  if ( !file ) {
939  ERR << "fopen failed for /dev/null" << endl;
940  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
941  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
942  /* yes, this is why we never got to get NOBODY working before,
943  because setting it changes this option too, and we also
944  need to reset it
945  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
946  */
947  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L );
948  if ( ret != 0 ) {
949  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
950  }
951  ZYPP_THROW(MediaWriteException("/dev/null"));
952  }
953 
954  ret = curl_easy_setopt( _curl, CURLOPT_WRITEDATA, (*file) );
955  if ( ret != 0 ) {
956  std::string err( _curlError);
957  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
958  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
959  /* yes, this is why we never got to get NOBODY working before,
960  because setting it changes this option too, and we also
961  need to reset it
962  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
963  */
964  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L );
965  if ( ret != 0 ) {
966  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
967  }
968  ZYPP_THROW(MediaCurlSetOptException(url, err));
969  }
970 
971  CURLcode ok = curl_easy_perform( _curl );
972  MIL << "perform code: " << ok << " [ " << curl_easy_strerror(ok) << " ]" << endl;
973 
974  // reset curl settings
975  if ( _url.getScheme() == "http" || _url.getScheme() == "https" )
976  {
977  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
978  if ( ret != 0 ) {
979  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
980  }
981 
982  /* yes, this is why we never got to get NOBODY working before,
983  because setting it changes this option too, and we also
984  need to reset it
985  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
986  */
987  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L);
988  if ( ret != 0 ) {
989  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
990  }
991 
992  }
993  else
994  {
995  // for FTP we set different options
996  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL);
997  if ( ret != 0 ) {
998  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
999  }
1000  }
1001 
1002  // as we are not having user interaction, the user can't cancel
1003  // the file existence checking, a callback or timeout return code
1004  // will be always a timeout.
1005  try {
1006  evaluateCurlCode( filename, ok, true /* timeout */);
1007  }
1008  catch ( const MediaFileNotFoundException &e ) {
1009  // if the file did not exist then we can return false
1010  return false;
1011  }
1012  catch ( const MediaException &e ) {
1013  // some error, we are not sure about file existence, rethrw
1014  ZYPP_RETHROW(e);
1015  }
1016  // exists
1017  return ( ok == CURLE_OK );
1018 }
1019 
1021 
1022 
1023 #if DETECT_DIR_INDEX
1024 bool MediaCurl::detectDirIndex() const
1025 {
1026  if(_url.getScheme() != "http" && _url.getScheme() != "https")
1027  return false;
1028  //
1029  // try to check the effective url and set the not_a_file flag
1030  // if the url path ends with a "/", what usually means, that
1031  // we've received a directory index (index.html content).
1032  //
1033  // Note: This may be dangerous and break file retrieving in
1034  // case of some server redirections ... ?
1035  //
1036  bool not_a_file = false;
1037  char *ptr = NULL;
1038  CURLcode ret = curl_easy_getinfo( _curl,
1039  CURLINFO_EFFECTIVE_URL,
1040  &ptr);
1041  if ( ret == CURLE_OK && ptr != NULL)
1042  {
1043  try
1044  {
1045  Url eurl( ptr);
1046  std::string path( eurl.getPathName());
1047  if( !path.empty() && path != "/" && *path.rbegin() == '/')
1048  {
1049  DBG << "Effective url ("
1050  << eurl
1051  << ") seems to provide the index of a directory"
1052  << endl;
1053  not_a_file = true;
1054  }
1055  }
1056  catch( ... )
1057  {}
1058  }
1059  return not_a_file;
1060 }
1061 #endif
1062 
1064 
1065 void MediaCurl::doGetFileCopy( const OnMediaLocation &srcFile , const Pathname & target, callback::SendReport<DownloadProgressReport> & report, RequestOptions options ) const
1066 {
1067  Pathname dest = target.absolutename();
1068  if( assert_dir( dest.dirname() ) )
1069  {
1070  DBG << "assert_dir " << dest.dirname() << " failed" << endl;
1071  ZYPP_THROW( MediaSystemException(getFileUrl(srcFile.filename()), "System error on " + dest.dirname().asString()) );
1072  }
1073 
1074  ManagedFile destNew { target.extend( ".new.zypp.XXXXXX" ) };
1075  AutoFILE file;
1076  {
1077  AutoFREE<char> buf { ::strdup( (*destNew).c_str() ) };
1078  if( ! buf )
1079  {
1080  ERR << "out of memory for temp file name" << endl;
1081  ZYPP_THROW(MediaSystemException(getFileUrl(srcFile.filename()), "out of memory for temp file name"));
1082  }
1083 
1084  AutoFD tmp_fd { ::mkostemp( buf, O_CLOEXEC ) };
1085  if( tmp_fd == -1 )
1086  {
1087  ERR << "mkstemp failed for file '" << destNew << "'" << endl;
1088  ZYPP_THROW(MediaWriteException(destNew));
1089  }
1090  destNew = ManagedFile( (*buf), filesystem::unlink );
1091 
1092  file = ::fdopen( tmp_fd, "we" );
1093  if ( ! file )
1094  {
1095  ERR << "fopen failed for file '" << destNew << "'" << endl;
1096  ZYPP_THROW(MediaWriteException(destNew));
1097  }
1098  tmp_fd.resetDispose(); // don't close it here! ::fdopen moved ownership to file
1099  }
1100 
1101  DBG << "dest: " << dest << endl;
1102  DBG << "temp: " << destNew << endl;
1103 
1104  // set IFMODSINCE time condition (no download if not modified)
1105  if( PathInfo(target).isExist() && !(options & OPTION_NO_IFMODSINCE) )
1106  {
1107  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
1108  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, (long)PathInfo(target).mtime());
1109  }
1110  else
1111  {
1112  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1113  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0L);
1114  }
1115  try
1116  {
1117  doGetFileCopyFile( srcFile, dest, file, report, options);
1118  }
1119  catch (Exception &e)
1120  {
1121  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1122  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0L);
1123  ZYPP_RETHROW(e);
1124  }
1125 
1126  long httpReturnCode = 0;
1127  CURLcode infoRet = curl_easy_getinfo(_curl,
1128  CURLINFO_RESPONSE_CODE,
1129  &httpReturnCode);
1130  bool modified = true;
1131  if (infoRet == CURLE_OK)
1132  {
1133  DBG << "HTTP response: " + str::numstring(httpReturnCode);
1134  if ( httpReturnCode == 304
1135  || ( httpReturnCode == 213 && (_url.getScheme() == "ftp" || _url.getScheme() == "tftp") ) ) // not modified
1136  {
1137  DBG << " Not modified.";
1138  modified = false;
1139  }
1140  DBG << endl;
1141  }
1142  else
1143  {
1144  WAR << "Could not get the response code." << endl;
1145  }
1146 
1147  if (modified || infoRet != CURLE_OK)
1148  {
1149  // apply umask
1150  if ( ::fchmod( ::fileno(file), filesystem::applyUmaskTo( 0644 ) ) )
1151  {
1152  ERR << "Failed to chmod file " << destNew << endl;
1153  }
1154 
1155  file.resetDispose(); // we're going to close it manually here
1156  if ( ::fclose( file ) )
1157  {
1158  ERR << "Fclose failed for file '" << destNew << "'" << endl;
1159  ZYPP_THROW(MediaWriteException(destNew));
1160  }
1161 
1162  // move the temp file into dest
1163  if ( rename( destNew, dest ) != 0 ) {
1164  ERR << "Rename failed" << endl;
1165  ZYPP_THROW(MediaWriteException(dest));
1166  }
1167  destNew.resetDispose(); // no more need to unlink it
1168  }
1169 
1170  DBG << "done: " << PathInfo(dest) << endl;
1171 }
1172 
1174 
1175 void MediaCurl::doGetFileCopyFile( const OnMediaLocation & srcFile, const Pathname & dest, FILE *file, callback::SendReport<DownloadProgressReport> & report, RequestOptions options ) const
1176 {
1177  DBG << srcFile.filename().asString() << endl;
1178 
1179  if(!_url.isValid())
1180  ZYPP_THROW(MediaBadUrlException(_url));
1181 
1182  if(_url.getHost().empty())
1183  ZYPP_THROW(MediaBadUrlEmptyHostException(_url));
1184 
1185  Url url(getFileUrl(srcFile.filename()));
1186 
1187  DBG << "URL: " << url.asString() << endl;
1188  // Use URL without options and without username and passwd
1189  // (some proxies dislike them in the URL).
1190  // Curl seems to need the just scheme, hostname and a path;
1191  // the rest was already passed as curl options (in attachTo).
1192  Url curlUrl( clearQueryString(url) );
1193 
1194  //
1195  // See also Bug #154197 and ftp url definition in RFC 1738:
1196  // The url "ftp://user@host/foo/bar/file" contains a path,
1197  // that is relative to the user's home.
1198  // The url "ftp://user@host//foo/bar/file" (or also with
1199  // encoded slash as %2f) "ftp://user@host/%2ffoo/bar/file"
1200  // contains an absolute path.
1201  //
1202  _lastRedirect.clear();
1203  std::string urlBuffer( curlUrl.asString());
1204  CURLcode ret = curl_easy_setopt( _curl, CURLOPT_URL,
1205  urlBuffer.c_str() );
1206  if ( ret != 0 ) {
1207  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1208  }
1209 
1210  ret = curl_easy_setopt( _curl, CURLOPT_WRITEDATA, file );
1211  if ( ret != 0 ) {
1212  ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1213  }
1214 
1215  // Set callback and perform.
1216  internal::ProgressData progressData(_curl, _settings.timeout(), url, srcFile.downloadSize(), &report);
1217  if (!(options & OPTION_NO_REPORT_START))
1218  report->start(url, dest);
1219  if ( curl_easy_setopt( _curl, CURLOPT_PROGRESSDATA, &progressData ) != 0 ) {
1220  WAR << "Can't set CURLOPT_PROGRESSDATA: " << _curlError << endl;;
1221  }
1222 
1223  ret = curl_easy_perform( _curl );
1224 #if CURLVERSION_AT_LEAST(7,19,4)
1225  // bnc#692260: If the client sends a request with an If-Modified-Since header
1226  // with a future date for the server, the server may respond 200 sending a
1227  // zero size file.
1228  // curl-7.19.4 introduces CURLINFO_CONDITION_UNMET to check this condition.
1229  if ( ftell(file) == 0 && ret == 0 )
1230  {
1231  long httpReturnCode = 33;
1232  if ( curl_easy_getinfo( _curl, CURLINFO_RESPONSE_CODE, &httpReturnCode ) == CURLE_OK && httpReturnCode == 200 )
1233  {
1234  long conditionUnmet = 33;
1235  if ( curl_easy_getinfo( _curl, CURLINFO_CONDITION_UNMET, &conditionUnmet ) == CURLE_OK && conditionUnmet )
1236  {
1237  WAR << "TIMECONDITION unmet - retry without." << endl;
1238  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1239  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0L);
1240  ret = curl_easy_perform( _curl );
1241  }
1242  }
1243  }
1244 #endif
1245 
1246  if ( curl_easy_setopt( _curl, CURLOPT_PROGRESSDATA, NULL ) != 0 ) {
1247  WAR << "Can't unset CURLOPT_PROGRESSDATA: " << _curlError << endl;;
1248  }
1249 
1250  if ( ret != 0 )
1251  {
1252  ERR << "curl error: " << ret << ": " << _curlError
1253  << ", temp file size " << ftell(file)
1254  << " bytes." << endl;
1255 
1256  // the timeout is determined by the progress data object
1257  // which holds whether the timeout was reached or not,
1258  // otherwise it would be a user cancel
1259  try {
1260 
1261  if ( progressData.fileSizeExceeded )
1262  ZYPP_THROW(MediaFileSizeExceededException(url, progressData._expectedFileSize));
1263 
1264  evaluateCurlCode( srcFile.filename(), ret, progressData.reached );
1265  }
1266  catch ( const MediaException &e ) {
1267  // some error, we are not sure about file existence, rethrw
1268  ZYPP_RETHROW(e);
1269  }
1270  }
1271 
1272 #if DETECT_DIR_INDEX
1273  if (!ret && detectDirIndex())
1274  {
1275  ZYPP_THROW(MediaNotAFileException(_url, filename));
1276  }
1277 #endif // DETECT_DIR_INDEX
1278 }
1279 
1281 
1282 void MediaCurl::getDir( const Pathname & dirname, bool recurse_r ) const
1283 {
1284  filesystem::DirContent content;
1285  getDirInfo( content, dirname, /*dots*/false );
1286 
1287  for ( filesystem::DirContent::const_iterator it = content.begin(); it != content.end(); ++it ) {
1288  Pathname filename = dirname + it->name;
1289  int res = 0;
1290 
1291  switch ( it->type ) {
1292  case filesystem::FT_NOT_AVAIL: // old directory.yast contains no typeinfo at all
1293  case filesystem::FT_FILE:
1294  getFile( OnMediaLocation( filename ) );
1295  break;
1296  case filesystem::FT_DIR: // newer directory.yast contain at least directory info
1297  if ( recurse_r ) {
1298  getDir( filename, recurse_r );
1299  } else {
1300  res = assert_dir( localPath( filename ) );
1301  if ( res ) {
1302  WAR << "Ignore error (" << res << ") on creating local directory '" << localPath( filename ) << "'" << endl;
1303  }
1304  }
1305  break;
1306  default:
1307  // don't provide devices, sockets, etc.
1308  break;
1309  }
1310  }
1311 }
1312 
1314 
1315 void MediaCurl::getDirInfo( std::list<std::string> & retlist,
1316  const Pathname & dirname, bool dots ) const
1317 {
1318  getDirectoryYast( retlist, dirname, dots );
1319 }
1320 
1322 
1324  const Pathname & dirname, bool dots ) const
1325 {
1326  getDirectoryYast( retlist, dirname, dots );
1327 }
1328 
1330 //
1331 int MediaCurl::aliveCallback( void *clientp, double /*dltotal*/, double dlnow, double /*ultotal*/, double /*ulnow*/ )
1332 {
1333  internal::ProgressData *pdata = reinterpret_cast<internal::ProgressData *>( clientp );
1334  if( pdata )
1335  {
1336  // Do not propagate dltotal in alive callbacks. MultiCurl uses this to
1337  // prevent a percentage raise while downloading a metalink file. Download
1338  // activity however is indicated by propagating the download rate (via dlnow).
1339  pdata->updateStats( 0.0, dlnow );
1340  return pdata->reportProgress();
1341  }
1342  return 0;
1343 }
1344 
1345 int MediaCurl::progressCallback( void *clientp, double dltotal, double dlnow, double ultotal, double ulnow )
1346 {
1347  internal::ProgressData *pdata = reinterpret_cast<internal::ProgressData *>( clientp );
1348  if( pdata )
1349  {
1350  // work around curl bug that gives us old data
1351  long httpReturnCode = 0;
1352  if ( curl_easy_getinfo( pdata->curl, CURLINFO_RESPONSE_CODE, &httpReturnCode ) != CURLE_OK || httpReturnCode == 0 )
1353  return aliveCallback( clientp, dltotal, dlnow, ultotal, ulnow );
1354 
1355  pdata->updateStats( dltotal, dlnow );
1356  return pdata->reportProgress();
1357  }
1358  return 0;
1359 }
1360 
1362 {
1363  internal::ProgressData *pdata = reinterpret_cast<internal::ProgressData *>(clientp);
1364  return pdata ? pdata->curl : 0;
1365 }
1366 
1368 
1369 std::string MediaCurl::getAuthHint() const
1370 {
1371  long auth_info = CURLAUTH_NONE;
1372 
1373  CURLcode infoRet =
1374  curl_easy_getinfo(_curl, CURLINFO_HTTPAUTH_AVAIL, &auth_info);
1375 
1376  if(infoRet == CURLE_OK)
1377  {
1378  return CurlAuthData::auth_type_long2str(auth_info);
1379  }
1380 
1381  return "";
1382 }
1383 
1388 void MediaCurl::resetExpectedFileSize(void *clientp, const ByteCount &expectedFileSize)
1389 {
1390  internal::ProgressData *data = reinterpret_cast<internal::ProgressData *>(clientp);
1391  if ( data ) {
1392  data->_expectedFileSize = expectedFileSize;
1393  }
1394 }
1395 
1397 
1398 bool MediaCurl::authenticate(const std::string & availAuthTypes, bool firstTry) const
1399 {
1401  CredentialManager cm(CredManagerOptions(ZConfig::instance().repoManagerRoot()));
1402  CurlAuthData_Ptr credentials;
1403 
1404  // get stored credentials
1405  AuthData_Ptr cmcred = cm.getCred(_url);
1406 
1407  if (cmcred && firstTry)
1408  {
1409  credentials.reset(new CurlAuthData(*cmcred));
1410  DBG << "got stored credentials:" << endl << *credentials << endl;
1411  }
1412  // if not found, ask user
1413  else
1414  {
1415 
1416  CurlAuthData_Ptr curlcred;
1417  curlcred.reset(new CurlAuthData());
1419 
1420  // preset the username if present in current url
1421  if (!_url.getUsername().empty() && firstTry)
1422  curlcred->setUsername(_url.getUsername());
1423  // if CM has found some credentials, preset the username from there
1424  else if (cmcred)
1425  curlcred->setUsername(cmcred->username());
1426 
1427  // indicate we have no good credentials from CM
1428  cmcred.reset();
1429 
1430  std::string prompt_msg = str::Format(_("Authentication required for '%s'")) % _url.asString();
1431 
1432  // set available authentication types from the exception
1433  // might be needed in prompt
1434  curlcred->setAuthType(availAuthTypes);
1435 
1436  // ask user
1437  if (auth_report->prompt(_url, prompt_msg, *curlcred))
1438  {
1439  DBG << "callback answer: retry" << endl
1440  << "CurlAuthData: " << *curlcred << endl;
1441 
1442  if (curlcred->valid())
1443  {
1444  credentials = curlcred;
1445  // if (credentials->username() != _url.getUsername())
1446  // _url.setUsername(credentials->username());
1454  }
1455  }
1456  else
1457  {
1458  DBG << "callback answer: cancel" << endl;
1459  }
1460  }
1461 
1462  // set username and password
1463  if (credentials)
1464  {
1465  // HACK, why is this const?
1466  const_cast<MediaCurl*>(this)->_settings.setUsername(credentials->username());
1467  const_cast<MediaCurl*>(this)->_settings.setPassword(credentials->password());
1468 
1469  // set username and password
1470  CURLcode ret = curl_easy_setopt(_curl, CURLOPT_USERPWD, _settings.userPassword().c_str());
1471  if ( ret != 0 ) ZYPP_THROW(MediaCurlSetOptException(_url, _curlError));
1472 
1473  // set available authentication types from the exception
1474  if (credentials->authType() == CURLAUTH_NONE)
1475  credentials->setAuthType(availAuthTypes);
1476 
1477  // set auth type (seems this must be set _after_ setting the userpwd)
1478  if (credentials->authType() != CURLAUTH_NONE)
1479  {
1480  // FIXME: only overwrite if not empty?
1481  const_cast<MediaCurl*>(this)->_settings.setAuthType(credentials->authTypeAsString());
1482  ret = curl_easy_setopt(_curl, CURLOPT_HTTPAUTH, credentials->authType());
1483  if ( ret != 0 ) ZYPP_THROW(MediaCurlSetOptException(_url, _curlError));
1484  }
1485 
1486  if (!cmcred)
1487  {
1488  credentials->setUrl(_url);
1489  cm.addCred(*credentials);
1490  cm.save();
1491  }
1492 
1493  return true;
1494  }
1495 
1496  return false;
1497 }
1498 
1499 //need a out of line definiton, otherwise vtable is emitted for every translation unit
1501 
1502  } // namespace media
1503 } // namespace zypp
1504 //
std::string getScheme() const
Returns the scheme name of the URL.
Definition: Url.cc:533
virtual bool checkAttachPoint(const Pathname &apoint) const override
Verify if the specified directory as attach point (root) as requires by the particular media handler ...
Definition: MediaCurl.cc:604
int assert_dir(const Pathname &path, unsigned mode)
Like &#39;mkdir -p&#39;.
Definition: PathInfo.cc:319
std::string targetDistribution() const
This is register.target attribute of the installed base product.
Definition: Target.cc:102
#define SET_OPTION_OFFT(opt, val)
Definition: MediaCurl.cc:231
#define MIL
Definition: Logger.h:96
#define _(MSG)
Definition: Gettext.h:37
ProgressData()
Ctor no range [0,0](0).
Definition: progressdata.h:171
const Pathname & path() const
Return current Pathname.
Definition: PathInfo.h:246
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.
Definition: Exception.h:418
Describes a resource file located on a medium.
static ZConfig & instance()
Singleton ctor.
Definition: Resolver.cc:126
void checkProtocol(const Url &url) const
check the url is supported by the curl library
Definition: MediaCurl.cc:283
bool authenticate(const std::string &availAuthTypes, bool firstTry) const
Definition: MediaCurl.cc:1398
Implementation class for FTP, HTTP and HTTPS MediaHandler.
Definition: MediaCurl.h:31
virtual bool checkAttachPoint(const Pathname &apoint) const
Verify if the specified directory as attach point (root) as requires by the particular media handler ...
const char * distributionFlavorHeader()
Definition: MediaCurl.cc:180
Store and operate with byte count.
Definition: ByteCount.h:30
to not add a IFMODSINCE header if target exists
Definition: MediaCurl.h:43
static int progressCallback(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
Callback reporting download progress.
Definition: MediaCurl.cc:1345
Pathname extend(const std::string &r) const
Append string r to the last component of the path.
Definition: Pathname.h:170
int reportProgress() const
Definition: MediaCurl.cc:155
void setAttachPoint(const Pathname &path, bool temp)
Set a new attach point.
const char * anonymousIdHeader()
Definition: MediaCurl.cc:166
bool isUseableAttachPoint(const Pathname &path, bool mtab=true) const
Ask media manager, if the specified path is already used as attach point or if there are another atta...
virtual void getFileCopy(const OnMediaLocation &srcFile, const Pathname &targetFilename) const override
Definition: MediaCurl.cc:658
static int aliveCallback(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
Callback sending just an alive trigger to the UI, without stats (e.g.
Definition: MediaCurl.cc:1331
time_t _timeNow
Now.
Definition: MediaCurl.cc:62
AutoDispose< const Pathname > ManagedFile
A Pathname plus associated cleanup code to be executed when path is no longer needed.
Definition: ManagedFile.h:27
virtual void setupEasy()
initializes the curl easy handle with the data from the url
Definition: MediaCurl.cc:308
Convenient building of std::string with boost::format.
Definition: String.h:252
std::string form(const char *format,...) __attribute__((format(printf
Printf style construction of std::string.
Definition: String.cc:36
Edition * _value
Definition: SysContent.cc:311
AutoDispose<int> calling ::close
Definition: AutoDispose.h:296
std::string _currentCookieFile
Definition: MediaCurl.h:167
virtual void getDir(const Pathname &dirname, bool recurse_r) const override
Call concrete handler to provide directory content (not recursive!) below attach point.
Definition: MediaCurl.cc:1282
virtual void getFile(const OnMediaLocation &file) const override
Call concrete handler to provide file below attach point.
Definition: MediaCurl.cc:649
#define ERR
Definition: Logger.h:98
Url getFileUrl(const Pathname &filename) const
concatenate the attach url and the filename to a complete download url
Definition: MediaCurl.cc:633
Pathname localPath(const Pathname &pathname) const
Files provided will be available at &#39;localPath(filename)&#39;.
static void setCookieFile(const Pathname &)
Definition: MediaCurl.cc:276
virtual void releaseFrom(const std::string &ejectDev) override
Call concrete handler to release the media.
Definition: MediaCurl.cc:628
static void resetExpectedFileSize(void *clientp, const ByteCount &expectedFileSize)
MediaMultiCurl needs to reset the expected filesize in case a metalink file is downloaded otherwise t...
Definition: MediaCurl.cc:1388
bool empty() const
Test for an empty path.
Definition: Pathname.h:114
#define ZYPP_RETHROW(EXCPT)
Drops a logline and rethrows, updating the CodeLocation.
Definition: Exception.h:430
bool detectDirIndex() const
void setPathName(const std::string &path, EEncoding eflag=zypp::url::E_DECODED)
Set the path name.
Definition: Url.cc:764
int assert_file_mode(const Pathname &path, unsigned mode)
Like assert_file but enforce mode even if the file already exists.
Definition: PathInfo.cc:1202
double _dnlTotal
Bytes to download or 0 if unknown.
Definition: MediaCurl.cc:64
std::string asString() const
Returns a default string representation of the Url object.
Definition: Url.cc:497
std::string getQueryParam(const std::string &param, EEncoding eflag=zypp::url::E_DECODED) const
Return the value for the specified query parameter.
Definition: Url.cc:660
Url clearQueryString(const Url &url) const
Definition: MediaCurl.cc:271
std::string trim(const std::string &s, const Trim trim_r)
Definition: String.cc:223
int unlink(const Pathname &path)
Like &#39;unlink&#39;.
Definition: PathInfo.cc:700
const Url _url
Url to handle.
Definition: MediaHandler.h:113
void setMediaSource(const MediaSourceRef &ref)
Set new media source reference.
const std::string & asString() const
String representation.
Definition: Pathname.h:91
int rename(const Pathname &oldpath, const Pathname &newpath)
Like &#39;rename&#39;.
Definition: PathInfo.cc:742
void evaluateCurlCode(const zypp::Pathname &filename, CURLcode code, bool timeout) const
Evaluates a curl return code and throws the right MediaException filename Filename being downloaded c...
Definition: MediaCurl.cc:738
const ByteCount & downloadSize() const
The size of the resource on the server.
void disconnect()
Use concrete handler to isconnect media.
Pathname dirname() const
Return all but the last component od this path.
Definition: Pathname.h:124
do not send a start ProgressReport
Definition: MediaCurl.h:45
#define WAR
Definition: Logger.h:97
double _dnlLast
Bytes downloaded at period start.
Definition: MediaCurl.cc:65
std::list< DirEntry > DirContent
Returned by readdir.
Definition: PathInfo.h:518
void getDirectoryYast(std::list< std::string > &retlist, const Pathname &dirname, bool dots=true) const
Retrieve and if available scan dirname/directory.yast.
bool isValid() const
Verifies the Url.
Definition: Url.cc:489
virtual bool doGetDoesFileExist(const Pathname &filename) const
Definition: MediaCurl.cc:879
const Pathname & filename() const
The path to the resource on the medium.
virtual void attachTo(bool next=false) override
Call concrete handler to attach the media.
Definition: MediaCurl.cc:569
std::string numstring(char n, int w=0)
Definition: String.h:289
Common baseclass for MediaCurl and MediaNetwork.
virtual bool getDoesFileExist(const Pathname &filename) const override
Repeatedly calls doGetDoesFileExist() until it successfully returns, fails unexpectedly, or user cancels the operation.
Definition: MediaCurl.cc:707
const char * agentString()
Definition: MediaCurl.cc:194
void resetDispose()
Set no dispose function.
Definition: AutoDispose.h:176
void doGetFileCopyFile(const OnMediaLocation &srcFile, const Pathname &dest, FILE *file, callback::SendReport< DownloadProgressReport > &report, RequestOptions options=OPTION_NONE) const
Definition: MediaCurl.cc:1175
Media source internally used by MediaManager and MediaHandler.
Definition: MediaSource.h:36
zypp::ByteCount _expectedFileSize
Definition: MediaCurl.cc:57
int _dnlPercent
Percent completed or 0 if _dnlTotal is unknown.
Definition: MediaCurl.cc:68
curl_slist * _customHeaders
Definition: MediaCurl.h:175
int rmdir(const Pathname &path)
Like &#39;rmdir&#39;.
Definition: PathInfo.cc:366
#define SET_OPTION(opt, val)
Definition: MediaCurl.cc:224
Pathname absolutename() const
Return this path, adding a leading &#39;/&#39; if relative.
Definition: Pathname.h:139
Base class for Exception.
Definition: Exception.h:145
Pathname attachPoint() const
Return the currently used attach point.
std::string _lastRedirect
to log/report redirections
Definition: MediaCurl.h:170
Url url() const
Url used.
Definition: MediaHandler.h:503
double _drateLast
Download rate in last period.
Definition: MediaCurl.cc:71
std::string getPathName(EEncoding eflag=zypp::url::E_DECODED) const
Returns the path name from the URL.
Definition: Url.cc:604
std::string getHost(EEncoding eflag=zypp::url::E_DECODED) const
Returns the hostname or IP from the URL authority.
Definition: Url.cc:588
time_t _timeStart
Start total stats.
Definition: MediaCurl.cc:59
virtual void getDirInfo(std::list< std::string > &retlist, const Pathname &dirname, bool dots=true) const override
Call concrete handler to provide a content list of directory on media via retlist.
Definition: MediaCurl.cc:1315
virtual void disconnectFrom() override
Definition: MediaCurl.cc:611
static CURL * progressCallback_getcurl(void *clientp)
Definition: MediaCurl.cc:1361
bool strToBool(const C_Str &str, bool default_r)
Parse str into a bool depending on the default value.
Definition: String.h:429
double _dnlNow
Bytes downloaded now.
Definition: MediaCurl.cc:66
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
AutoDispose<FILE*> calling ::fclose
Definition: AutoDispose.h:307
void updateStats(double dltotal=0.0, double dlnow=0.0)
Definition: MediaCurl.cc:106
static Pathname _cookieFile
Definition: MediaCurl.h:168
double _drateTotal
Download rate so far.
Definition: MediaCurl.cc:70
std::string anonymousUniqueId() const
anonymous unique id
Definition: Target.cc:132
mode_t applyUmaskTo(mode_t mode_r)
Modify mode_r according to the current umask ( mode_r & ~getUmask() ).
Definition: PathInfo.h:789
std::string getAuthHint() const
Return a comma separated list of available authentication methods supported by server.
Definition: MediaCurl.cc:1369
time_t _timeRcv
Start of no-data timeout.
Definition: MediaCurl.cc:61
Pathname createAttachPoint() const
Try to create a default / temporary attach point.
virtual void doGetFileCopy(const OnMediaLocation &srcFile, const Pathname &targetFilename, callback::SendReport< DownloadProgressReport > &_report, RequestOptions options=OPTION_NONE) const
Definition: MediaCurl.cc:1065
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:1
std::string distributionFlavor() const
This is flavor attribute of the installed base product but does not require the target to be loaded a...
Definition: Target.cc:127
char _curlError[CURL_ERROR_SIZE]
Definition: MediaCurl.h:174
time_t _timeLast
Start last period(~1sec)
Definition: MediaCurl.cc:60
const char * c_str() const
Definition: IdStringType.h:105
bool userMayRWX() const
Definition: PathInfo.h:353
Url manipulation class.
Definition: Url.h:91
#define DBG
Definition: Logger.h:95
zypp::callback::SendReport< zypp::media::DownloadProgressReport > * report
Definition: MediaCurl.cc:56
std::string getUsername(EEncoding eflag=zypp::url::E_DECODED) const
Returns the username from the URL authority.
Definition: Url.cc:572