libzypp  17.6.1
MediaCurl.cc
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3 | |__ / \ / / . \ . \ |
4 | / / \ V /| _/ _/ |
5 | / /__ | | | | | | |
6 | /_____||_| |_| |_| |
7 | |
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/base/Sysconfig.h"
21 #include "zypp/base/Gettext.h"
22 
23 #include "zypp/media/MediaCurl.h"
24 #include "zypp/media/ProxyInfo.h"
27 #include "zypp/media/CurlConfig.h"
28 #include "zypp/thread/Once.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 #define DETECT_DIR_INDEX 0
42 #define CONNECT_TIMEOUT 60
43 #define TRANSFER_TIMEOUT_MAX 60 * 60
44 
45 #define EXPLICITLY_NO_PROXY "_none_"
46 
47 #undef CURLVERSION_AT_LEAST
48 #define CURLVERSION_AT_LEAST(M,N,O) LIBCURL_VERSION_NUM >= ((((M)<<8)+(N))<<8)+(O)
49 
50 using namespace std;
51 using namespace zypp::base;
52 
53 namespace
54 {
55  zypp::thread::OnceFlag g_InitOnceFlag = PTHREAD_ONCE_INIT;
56  zypp::thread::OnceFlag g_FreeOnceFlag = PTHREAD_ONCE_INIT;
57 
58  extern "C" void _do_free_once()
59  {
60  curl_global_cleanup();
61  }
62 
63  extern "C" void globalFreeOnce()
64  {
65  zypp::thread::callOnce(g_FreeOnceFlag, _do_free_once);
66  }
67 
68  extern "C" void _do_init_once()
69  {
70  CURLcode ret = curl_global_init( CURL_GLOBAL_ALL );
71  if ( ret != 0 )
72  {
73  WAR << "curl global init failed" << endl;
74  }
75 
76  //
77  // register at exit handler ?
78  // this may cause trouble, because we can protect it
79  // against ourself only.
80  // if the app sets an atexit handler as well, it will
81  // cause a double free while the second of them runs.
82  //
83  //std::atexit( globalFreeOnce);
84  }
85 
86  inline void globalInitOnce()
87  {
88  zypp::thread::callOnce(g_InitOnceFlag, _do_init_once);
89  }
90 
91  int log_curl(CURL *curl, curl_infotype info,
92  char *ptr, size_t len, void *max_lvl)
93  {
94  std::string pfx(" ");
95  long lvl = 0;
96  switch( info)
97  {
98  case CURLINFO_TEXT: lvl = 1; pfx = "*"; break;
99  case CURLINFO_HEADER_IN: lvl = 2; pfx = "<"; break;
100  case CURLINFO_HEADER_OUT: lvl = 2; pfx = ">"; break;
101  default: break;
102  }
103  if( lvl > 0 && max_lvl != NULL && lvl <= *((long *)max_lvl))
104  {
105  std::string msg(ptr, len);
106  std::list<std::string> lines;
107  std::list<std::string>::const_iterator line;
108  zypp::str::split(msg, std::back_inserter(lines), "\r\n");
109  for(line = lines.begin(); line != lines.end(); ++line)
110  {
111  DBG << pfx << " " << *line << endl;
112  }
113  }
114  return 0;
115  }
116 
117  static size_t
118  log_redirects_curl(
119  void *ptr, size_t size, size_t nmemb, void *stream)
120  {
121  // INT << "got header: " << string((char *)ptr, ((char*)ptr) + size*nmemb) << endl;
122 
123  char * lstart = (char *)ptr, * lend = (char *)ptr;
124  size_t pos = 0;
125  size_t max = size * nmemb;
126  while (pos + 1 < max)
127  {
128  // get line
129  for (lstart = lend; *lend != '\n' && pos < max; ++lend, ++pos);
130 
131  // look for "Location"
132  string line(lstart, lend);
133  if (line.find("Location") != string::npos)
134  {
135  DBG << "redirecting to " << line << endl;
136  return max;
137  }
138 
139  // continue with the next line
140  if (pos + 1 < max)
141  {
142  ++lend;
143  ++pos;
144  }
145  else
146  break;
147  }
148 
149  return max;
150  }
151 }
152 
153 namespace zypp {
154 
156  namespace env
157  {
158  namespace
159  {
160  inline int getZYPP_MEDIA_CURL_IPRESOLVE()
161  {
162  int ret = 0;
163  if ( const char * envp = getenv( "ZYPP_MEDIA_CURL_IPRESOLVE" ) )
164  {
165  WAR << "env set: $ZYPP_MEDIA_CURL_IPRESOLVE='" << envp << "'" << endl;
166  if ( strcmp( envp, "4" ) == 0 ) ret = 4;
167  else if ( strcmp( envp, "6" ) == 0 ) ret = 6;
168  }
169  return ret;
170  }
171  }
172 
174  {
175  static int _v = getZYPP_MEDIA_CURL_IPRESOLVE();
176  return _v;
177  }
178  } // namespace env
180 
181  namespace media {
182 
183  namespace {
184  struct ProgressData
185  {
186  ProgressData( CURL *_curl, time_t _timeout = 0, const Url & _url = Url(),
187  ByteCount expectedFileSize_r = 0,
188  callback::SendReport<DownloadProgressReport> *_report = nullptr )
189  : curl( _curl )
190  , url( _url )
191  , timeout( _timeout )
192  , reached( false )
193  , fileSizeExceeded ( false )
194  , report( _report )
195  , _expectedFileSize( expectedFileSize_r )
196  {}
197 
198  CURL *curl;
199  Url url;
200  time_t timeout;
201  bool reached;
203  callback::SendReport<DownloadProgressReport> *report;
204  ByteCount _expectedFileSize;
205 
206  time_t _timeStart = 0;
207  time_t _timeLast = 0;
208  time_t _timeRcv = 0;
209  time_t _timeNow = 0;
210 
211  double _dnlTotal = 0.0;
212  double _dnlLast = 0.0;
213  double _dnlNow = 0.0;
214 
215  int _dnlPercent= 0;
216 
217  double _drateTotal= 0.0;
218  double _drateLast = 0.0;
219 
220  void updateStats( double dltotal = 0.0, double dlnow = 0.0 )
221  {
222  time_t now = _timeNow = time(0);
223 
224  // If called without args (0.0), recompute based on the last values seen
225  if ( dltotal && dltotal != _dnlTotal )
226  _dnlTotal = dltotal;
227 
228  if ( dlnow && dlnow != _dnlNow )
229  {
230  _timeRcv = now;
231  _dnlNow = dlnow;
232  }
233  else if ( !_dnlNow && !_dnlTotal )
234  {
235  // Start time counting as soon as first data arrives.
236  // Skip the connection / redirection time at begin.
237  return;
238  }
239 
240  // init or reset if time jumps back
241  if ( !_timeStart || _timeStart > now )
242  _timeStart = _timeLast = _timeRcv = now;
243 
244  // timeout condition
245  if ( timeout )
246  reached = ( (now - _timeRcv) > timeout );
247 
248  // check if the downloaded data is already bigger than what we expected
249  fileSizeExceeded = _expectedFileSize > 0 && _expectedFileSize < static_cast<ByteCount::SizeType>(_dnlNow);
250 
251  // percentage:
252  if ( _dnlTotal )
253  _dnlPercent = int(_dnlNow * 100 / _dnlTotal);
254 
255  // download rates:
256  _drateTotal = _dnlNow / std::max( int(now - _timeStart), 1 );
257 
258  if ( _timeLast < now )
259  {
260  _drateLast = (_dnlNow - _dnlLast) / int(now - _timeLast);
261  // start new period
262  _timeLast = now;
263  _dnlLast = _dnlNow;
264  }
265  else if ( _timeStart == _timeLast )
267  }
268 
269  int reportProgress() const
270  {
271  if ( fileSizeExceeded )
272  return 1;
273  if ( reached )
274  return 1; // no-data timeout
275  if ( report && !(*report)->progress( _dnlPercent, url, _drateTotal, _drateLast ) )
276  return 1; // user requested abort
277  return 0;
278  }
279 
280 
281  // download rate of the last period (cca 1 sec)
282  double drate_period;
283  // bytes downloaded at the start of the last period
284  double dload_period;
285  // seconds from the start of the download
286  long secs;
287  // average download rate
288  double drate_avg;
289  // last time the progress was reported
290  time_t ltime;
291  // bytes downloaded at the moment the progress was last reported
292  double dload;
293  // bytes uploaded at the moment the progress was last reported
294  double uload;
295  };
296 
298 
299  inline void escape( string & str_r,
300  const char char_r, const string & escaped_r ) {
301  for ( string::size_type pos = str_r.find( char_r );
302  pos != string::npos; pos = str_r.find( char_r, pos ) ) {
303  str_r.replace( pos, 1, escaped_r );
304  }
305  }
306 
307  inline string escapedPath( string path_r ) {
308  escape( path_r, ' ', "%20" );
309  return path_r;
310  }
311 
312  inline string unEscape( string text_r ) {
313  char * tmp = curl_unescape( text_r.c_str(), 0 );
314  string ret( tmp );
315  curl_free( tmp );
316  return ret;
317  }
318 
319  }
320 
326 {
327  std::string param(url.getQueryParam("timeout"));
328  if( !param.empty())
329  {
330  long num = str::strtonum<long>(param);
331  if( num >= 0 && num <= TRANSFER_TIMEOUT_MAX)
332  s.setTimeout(num);
333  }
334 
335  if ( ! url.getUsername().empty() )
336  {
337  s.setUsername(url.getUsername());
338  if ( url.getPassword().size() )
339  s.setPassword(url.getPassword());
340  }
341  else
342  {
343  // if there is no username, set anonymous auth
344  if ( ( url.getScheme() == "ftp" || url.getScheme() == "tftp" ) && s.username().empty() )
345  s.setAnonymousAuth();
346  }
347 
348  if ( url.getScheme() == "https" )
349  {
350  s.setVerifyPeerEnabled(false);
351  s.setVerifyHostEnabled(false);
352 
353  std::string verify( url.getQueryParam("ssl_verify"));
354  if( verify.empty() ||
355  verify == "yes")
356  {
357  s.setVerifyPeerEnabled(true);
358  s.setVerifyHostEnabled(true);
359  }
360  else if( verify == "no")
361  {
362  s.setVerifyPeerEnabled(false);
363  s.setVerifyHostEnabled(false);
364  }
365  else
366  {
367  std::vector<std::string> flags;
368  std::vector<std::string>::const_iterator flag;
369  str::split( verify, std::back_inserter(flags), ",");
370  for(flag = flags.begin(); flag != flags.end(); ++flag)
371  {
372  if( *flag == "host")
373  s.setVerifyHostEnabled(true);
374  else if( *flag == "peer")
375  s.setVerifyPeerEnabled(true);
376  else
377  ZYPP_THROW(MediaBadUrlException(url, "Unknown ssl_verify flag"));
378  }
379  }
380  }
381 
382  Pathname ca_path( url.getQueryParam("ssl_capath") );
383  if( ! ca_path.empty())
384  {
385  if( !PathInfo(ca_path).isDir() || ! ca_path.absolute())
386  ZYPP_THROW(MediaBadUrlException(url, "Invalid ssl_capath path"));
387  else
389  }
390 
391  Pathname client_cert( url.getQueryParam("ssl_clientcert") );
392  if( ! client_cert.empty())
393  {
394  if( !PathInfo(client_cert).isFile() || !client_cert.absolute())
395  ZYPP_THROW(MediaBadUrlException(url, "Invalid ssl_clientcert file"));
396  else
397  s.setClientCertificatePath(client_cert);
398  }
399  Pathname client_key( url.getQueryParam("ssl_clientkey") );
400  if( ! client_key.empty())
401  {
402  if( !PathInfo(client_key).isFile() || !client_key.absolute())
403  ZYPP_THROW(MediaBadUrlException(url, "Invalid ssl_clientkey file"));
404  else
405  s.setClientKeyPath(client_key);
406  }
407 
408  param = url.getQueryParam( "proxy" );
409  if ( ! param.empty() )
410  {
411  if ( param == EXPLICITLY_NO_PROXY ) {
412  // Workaround TransferSettings shortcoming: With an
413  // empty proxy string, code will continue to look for
414  // valid proxy settings. So set proxy to some non-empty
415  // string, to indicate it has been explicitly disabled.
417  s.setProxyEnabled(false);
418  }
419  else {
420  string proxyport( url.getQueryParam( "proxyport" ) );
421  if ( ! proxyport.empty() ) {
422  param += ":" + proxyport;
423  }
424  s.setProxy(param);
425  s.setProxyEnabled(true);
426  }
427  }
428 
429  param = url.getQueryParam( "proxyuser" );
430  if ( ! param.empty() )
431  {
432  s.setProxyUsername(param);
433  s.setProxyPassword(url.getQueryParam( "proxypass" ));
434  }
435 
436  // HTTP authentication type
437  param = url.getQueryParam("auth");
438  if (!param.empty() && (url.getScheme() == "http" || url.getScheme() == "https"))
439  {
440  try
441  {
442  CurlAuthData::auth_type_str2long(param); // check if we know it
443  }
444  catch (MediaException & ex_r)
445  {
446  DBG << "Rethrowing as MediaUnauthorizedException.";
447  ZYPP_THROW(MediaUnauthorizedException(url, ex_r.msg(), "", ""));
448  }
449  s.setAuthType(param);
450  }
451 
452  // workarounds
453  param = url.getQueryParam("head_requests");
454  if( !param.empty() && param == "no" )
455  s.setHeadRequestsAllowed(false);
456 }
457 
463 {
464  ProxyInfo proxy_info;
465  if ( proxy_info.useProxyFor( url ) )
466  {
467  // We must extract any 'user:pass' from the proxy url
468  // otherwise they won't make it into curl (.curlrc wins).
469  try {
470  Url u( proxy_info.proxy( url ) );
471  s.setProxy( u.asString( url::ViewOption::WITH_SCHEME + url::ViewOption::WITH_HOST + url::ViewOption::WITH_PORT ) );
472  // don't overwrite explicit auth settings
473  if ( s.proxyUsername().empty() )
474  {
475  s.setProxyUsername( u.getUsername( url::E_ENCODED ) );
476  s.setProxyPassword( u.getPassword( url::E_ENCODED ) );
477  }
478  s.setProxyEnabled( true );
479  }
480  catch (...) {} // no proxy if URL is malformed
481  }
482 }
483 
484 Pathname MediaCurl::_cookieFile = "/var/lib/YaST2/cookies";
485 
490 static const char *const anonymousIdHeader()
491 {
492  // we need to add the release and identifier to the
493  // agent string.
494  // The target could be not initialized, and then this information
495  // is guessed.
496  static const std::string _value(
498  "X-ZYpp-AnonymousId: %s",
499  Target::anonymousUniqueId( Pathname()/*guess root*/ ).c_str() ) )
500  );
501  return _value.c_str();
502 }
503 
508 static const char *const distributionFlavorHeader()
509 {
510  // we need to add the release and identifier to the
511  // agent string.
512  // The target could be not initialized, and then this information
513  // is guessed.
514  static const std::string _value(
516  "X-ZYpp-DistributionFlavor: %s",
517  Target::distributionFlavor( Pathname()/*guess root*/ ).c_str() ) )
518  );
519  return _value.c_str();
520 }
521 
526 static const char *const agentString()
527 {
528  // we need to add the release and identifier to the
529  // agent string.
530  // The target could be not initialized, and then this information
531  // is guessed.
532  static const std::string _value(
533  str::form(
534  "ZYpp %s (curl %s) %s"
535  , VERSION
536  , curl_version_info(CURLVERSION_NOW)->version
537  , Target::targetDistribution( Pathname()/*guess root*/ ).c_str()
538  )
539  );
540  return _value.c_str();
541 }
542 
543 // we use this define to unbloat code as this C setting option
544 // and catching exception is done frequently.
546 #define SET_OPTION(opt,val) do { \
547  ret = curl_easy_setopt ( _curl, opt, val ); \
548  if ( ret != 0) { \
549  ZYPP_THROW(MediaCurlSetOptException(_url, _curlError)); \
550  } \
551  } while ( false )
552 
553 #define SET_OPTION_OFFT(opt,val) SET_OPTION(opt,(curl_off_t)val)
554 #define SET_OPTION_LONG(opt,val) SET_OPTION(opt,(long)val)
555 #define SET_OPTION_VOID(opt,val) SET_OPTION(opt,(void*)val)
556 
557 MediaCurl::MediaCurl( const Url & url_r,
558  const Pathname & attach_point_hint_r )
559  : MediaHandler( url_r, attach_point_hint_r,
560  "/", // urlpath at attachpoint
561  true ), // does_download
562  _curl( NULL ),
563  _customHeaders(0L)
564 {
565  _curlError[0] = '\0';
566  _curlDebug = 0L;
567 
568  MIL << "MediaCurl::MediaCurl(" << url_r << ", " << attach_point_hint_r << ")" << endl;
569 
570  globalInitOnce();
571 
572  if( !attachPoint().empty())
573  {
574  PathInfo ainfo(attachPoint());
575  Pathname apath(attachPoint() + "XXXXXX");
576  char *atemp = ::strdup( apath.asString().c_str());
577  char *atest = NULL;
578  if( !ainfo.isDir() || !ainfo.userMayRWX() ||
579  atemp == NULL || (atest=::mkdtemp(atemp)) == NULL)
580  {
581  WAR << "attach point " << ainfo.path()
582  << " is not useable for " << url_r.getScheme() << endl;
583  setAttachPoint("", true);
584  }
585  else if( atest != NULL)
586  ::rmdir(atest);
587 
588  if( atemp != NULL)
589  ::free(atemp);
590  }
591 }
592 
594 {
595  Url curlUrl (url);
596  curlUrl.setUsername( "" );
597  curlUrl.setPassword( "" );
598  curlUrl.setPathParams( "" );
599  curlUrl.setFragment( "" );
600  curlUrl.delQueryParam("cookies");
601  curlUrl.delQueryParam("proxy");
602  curlUrl.delQueryParam("proxyport");
603  curlUrl.delQueryParam("proxyuser");
604  curlUrl.delQueryParam("proxypass");
605  curlUrl.delQueryParam("ssl_capath");
606  curlUrl.delQueryParam("ssl_verify");
607  curlUrl.delQueryParam("ssl_clientcert");
608  curlUrl.delQueryParam("timeout");
609  curlUrl.delQueryParam("auth");
610  curlUrl.delQueryParam("username");
611  curlUrl.delQueryParam("password");
612  curlUrl.delQueryParam("mediahandler");
613  curlUrl.delQueryParam("credentials");
614  curlUrl.delQueryParam("head_requests");
615  return curlUrl;
616 }
617 
619 {
620  return _settings;
621 }
622 
623 
624 void MediaCurl::setCookieFile( const Pathname &fileName )
625 {
626  _cookieFile = fileName;
627 }
628 
630 
631 void MediaCurl::checkProtocol(const Url &url) const
632 {
633  curl_version_info_data *curl_info = NULL;
634  curl_info = curl_version_info(CURLVERSION_NOW);
635  // curl_info does not need any free (is static)
636  if (curl_info->protocols)
637  {
638  const char * const *proto;
639  std::string scheme( url.getScheme());
640  bool found = false;
641  for(proto=curl_info->protocols; !found && *proto; ++proto)
642  {
643  if( scheme == std::string((const char *)*proto))
644  found = true;
645  }
646  if( !found)
647  {
648  std::string msg("Unsupported protocol '");
649  msg += scheme;
650  msg += "'";
652  }
653  }
654 }
655 
657 {
658  {
659  char *ptr = getenv("ZYPP_MEDIA_CURL_DEBUG");
660  _curlDebug = (ptr && *ptr) ? str::strtonum<long>( ptr) : 0L;
661  if( _curlDebug > 0)
662  {
663  curl_easy_setopt( _curl, CURLOPT_VERBOSE, 1L);
664  curl_easy_setopt( _curl, CURLOPT_DEBUGFUNCTION, log_curl);
665  curl_easy_setopt( _curl, CURLOPT_DEBUGDATA, &_curlDebug);
666  }
667  }
668 
669  curl_easy_setopt(_curl, CURLOPT_HEADERFUNCTION, log_redirects_curl);
670  CURLcode ret = curl_easy_setopt( _curl, CURLOPT_ERRORBUFFER, _curlError );
671  if ( ret != 0 ) {
672  ZYPP_THROW(MediaCurlSetOptException(_url, "Error setting error buffer"));
673  }
674 
675  SET_OPTION(CURLOPT_FAILONERROR, 1L);
676  SET_OPTION(CURLOPT_NOSIGNAL, 1L);
677 
678  // create non persistant settings
679  // so that we don't add headers twice
680  TransferSettings vol_settings(_settings);
681 
682  // add custom headers for download.opensuse.org (bsc#955801)
683  if ( _url.getHost() == "download.opensuse.org" )
684  {
685  vol_settings.addHeader(anonymousIdHeader());
686  vol_settings.addHeader(distributionFlavorHeader());
687  }
688  vol_settings.addHeader("Pragma:");
689 
690  _settings.setTimeout(ZConfig::instance().download_transfer_timeout());
692 
694 
695  // fill some settings from url query parameters
696  try
697  {
699  }
700  catch ( const MediaException &e )
701  {
702  disconnectFrom();
703  ZYPP_RETHROW(e);
704  }
705  // if the proxy was not set (or explicitly unset) by url, then look...
706  if ( _settings.proxy().empty() )
707  {
708  // ...at the system proxy settings
710  }
711 
714  {
715  switch ( env::ZYPP_MEDIA_CURL_IPRESOLVE() )
716  {
717  case 4: SET_OPTION(CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); break;
718  case 6: SET_OPTION(CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6); break;
719  }
720  }
721 
725  SET_OPTION(CURLOPT_CONNECTTIMEOUT, _settings.connectTimeout());
726  // If a transfer timeout is set, also set CURLOPT_TIMEOUT to an upper limit
727  // just in case curl does not trigger its progress callback frequently
728  // enough.
729  if ( _settings.timeout() )
730  {
731  SET_OPTION(CURLOPT_TIMEOUT, 3600L);
732  }
733 
734  // follow any Location: header that the server sends as part of
735  // an HTTP header (#113275)
736  SET_OPTION(CURLOPT_FOLLOWLOCATION, 1L);
737  // 3 redirects seem to be too few in some cases (bnc #465532)
738  SET_OPTION(CURLOPT_MAXREDIRS, 6L);
739 
740  if ( _url.getScheme() == "https" )
741  {
742 #if CURLVERSION_AT_LEAST(7,19,4)
743  // restrict following of redirections from https to https only
744  SET_OPTION( CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS );
745 #endif
746 
749  {
751  }
752 
754  {
755  SET_OPTION(CURLOPT_SSLCERT, _settings.clientCertificatePath().c_str());
756  }
757  if( ! _settings.clientKeyPath().empty() )
758  {
759  SET_OPTION(CURLOPT_SSLKEY, _settings.clientKeyPath().c_str());
760  }
761 
762 #ifdef CURLSSLOPT_ALLOW_BEAST
763  // see bnc#779177
764  ret = curl_easy_setopt( _curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST );
765  if ( ret != 0 ) {
766  disconnectFrom();
768  }
769 #endif
770  SET_OPTION(CURLOPT_SSL_VERIFYPEER, _settings.verifyPeerEnabled() ? 1L : 0L);
771  SET_OPTION(CURLOPT_SSL_VERIFYHOST, _settings.verifyHostEnabled() ? 2L : 0L);
772  // bnc#903405 - POODLE: libzypp should only talk TLS
773  SET_OPTION(CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
774  }
775 
776  SET_OPTION(CURLOPT_USERAGENT, _settings.userAgentString().c_str() );
777 
778  /*---------------------------------------------------------------*
779  CURLOPT_USERPWD: [user name]:[password]
780 
781  Url::username/password -> CURLOPT_USERPWD
782  If not provided, anonymous FTP identification
783  *---------------------------------------------------------------*/
784 
785  if ( _settings.userPassword().size() )
786  {
787  SET_OPTION(CURLOPT_USERPWD, _settings.userPassword().c_str());
788  string use_auth = _settings.authType();
789  if (use_auth.empty())
790  use_auth = "digest,basic"; // our default
791  long auth = CurlAuthData::auth_type_str2long(use_auth);
792  if( auth != CURLAUTH_NONE)
793  {
794  DBG << "Enabling HTTP authentication methods: " << use_auth
795  << " (CURLOPT_HTTPAUTH=" << auth << ")" << std::endl;
796  SET_OPTION(CURLOPT_HTTPAUTH, auth);
797  }
798  }
799 
800  if ( _settings.proxyEnabled() && ! _settings.proxy().empty() )
801  {
802  DBG << "Proxy: '" << _settings.proxy() << "'" << endl;
803  SET_OPTION(CURLOPT_PROXY, _settings.proxy().c_str());
804  SET_OPTION(CURLOPT_PROXYAUTH, CURLAUTH_BASIC|CURLAUTH_DIGEST|CURLAUTH_NTLM );
805  /*---------------------------------------------------------------*
806  * CURLOPT_PROXYUSERPWD: [user name]:[password]
807  *
808  * Url::option(proxyuser and proxypassword) -> CURLOPT_PROXYUSERPWD
809  * If not provided, $HOME/.curlrc is evaluated
810  *---------------------------------------------------------------*/
811 
812  string proxyuserpwd = _settings.proxyUserPassword();
813 
814  if ( proxyuserpwd.empty() )
815  {
816  CurlConfig curlconf;
817  CurlConfig::parseConfig(curlconf); // parse ~/.curlrc
818  if ( curlconf.proxyuserpwd.empty() )
819  DBG << "Proxy: ~/.curlrc does not contain the proxy-user option" << endl;
820  else
821  {
822  proxyuserpwd = curlconf.proxyuserpwd;
823  DBG << "Proxy: using proxy-user from ~/.curlrc" << endl;
824  }
825  }
826  else
827  {
828  DBG << "Proxy: using provided proxy-user '" << _settings.proxyUsername() << "'" << endl;
829  }
830 
831  if ( ! proxyuserpwd.empty() )
832  {
833  SET_OPTION(CURLOPT_PROXYUSERPWD, unEscape( proxyuserpwd ).c_str());
834  }
835  }
836 #if CURLVERSION_AT_LEAST(7,19,4)
837  else if ( _settings.proxy() == EXPLICITLY_NO_PROXY )
838  {
839  // Explicitly disabled in URL (see fillSettingsFromUrl()).
840  // This should also prevent libcurl from looking into the environment.
841  DBG << "Proxy: explicitly NOPROXY" << endl;
842  SET_OPTION(CURLOPT_NOPROXY, "*");
843  }
844 #endif
845  else
846  {
847  DBG << "Proxy: not explicitly set" << endl;
848  DBG << "Proxy: libcurl may look into the environment" << endl;
849  }
850 
852  if ( _settings.minDownloadSpeed() != 0 )
853  {
854  SET_OPTION(CURLOPT_LOW_SPEED_LIMIT, _settings.minDownloadSpeed());
855  // default to 10 seconds at low speed
856  SET_OPTION(CURLOPT_LOW_SPEED_TIME, 60L);
857  }
858 
859 #if CURLVERSION_AT_LEAST(7,15,5)
860  if ( _settings.maxDownloadSpeed() != 0 )
861  SET_OPTION_OFFT(CURLOPT_MAX_RECV_SPEED_LARGE, _settings.maxDownloadSpeed());
862 #endif
863 
864  /*---------------------------------------------------------------*
865  *---------------------------------------------------------------*/
866 
868  if ( str::strToBool( _url.getQueryParam( "cookies" ), true ) )
869  SET_OPTION(CURLOPT_COOKIEFILE, _currentCookieFile.c_str() );
870  else
871  MIL << "No cookies requested" << endl;
872  SET_OPTION(CURLOPT_COOKIEJAR, _currentCookieFile.c_str() );
873  SET_OPTION(CURLOPT_PROGRESSFUNCTION, &progressCallback );
874  SET_OPTION(CURLOPT_NOPROGRESS, 0L);
875 
876 #if CURLVERSION_AT_LEAST(7,18,0)
877  // bnc #306272
878  SET_OPTION(CURLOPT_PROXY_TRANSFER_MODE, 1L );
879 #endif
880  // append settings custom headers to curl
881  for ( TransferSettings::Headers::const_iterator it = vol_settings.headersBegin();
882  it != vol_settings.headersEnd();
883  ++it )
884  {
885  // MIL << "HEADER " << *it << std::endl;
886 
887  _customHeaders = curl_slist_append(_customHeaders, it->c_str());
888  if ( !_customHeaders )
890  }
891 
892  SET_OPTION(CURLOPT_HTTPHEADER, _customHeaders);
893 }
894 
896 
897 
898 void MediaCurl::attachTo (bool next)
899 {
900  if ( next )
902 
903  if ( !_url.isValid() )
905 
908  {
910  }
911 
912  disconnectFrom(); // clean _curl if needed
913  _curl = curl_easy_init();
914  if ( !_curl ) {
916  }
917  try
918  {
919  setupEasy();
920  }
921  catch (Exception & ex)
922  {
923  disconnectFrom();
924  ZYPP_RETHROW(ex);
925  }
926 
927  // FIXME: need a derived class to propelly compare url's
929  setMediaSource(media);
930 }
931 
932 bool
934 {
935  return MediaHandler::checkAttachPoint( apoint, true, true);
936 }
937 
939 
941 {
942  if ( _customHeaders )
943  {
944  curl_slist_free_all(_customHeaders);
945  _customHeaders = 0L;
946  }
947 
948  if ( _curl )
949  {
950  curl_easy_cleanup( _curl );
951  _curl = NULL;
952  }
953 }
954 
956 
957 void MediaCurl::releaseFrom( const std::string & ejectDev )
958 {
959  disconnect();
960 }
961 
962 Url MediaCurl::getFileUrl( const Pathname & filename_r ) const
963 {
964  // Simply extend the URLs pathname. An 'absolute' URL path
965  // is achieved by encoding the leading '/' in an URL path:
966  // URL: ftp://user@server -> ~user
967  // URL: ftp://user@server/ -> ~user
968  // URL: ftp://user@server// -> ~user
969  // URL: ftp://user@server/%2F -> /
970  // ^- this '/' is just a separator
971  Url newurl( _url );
972  newurl.setPathName( ( Pathname("./"+_url.getPathName()) / filename_r ).asString().substr(1) );
973  return newurl;
974 }
975 
977 
978 void MediaCurl::getFile(const Pathname & filename , const ByteCount &expectedFileSize_r) const
979 {
980  // Use absolute file name to prevent access of files outside of the
981  // hierarchy below the attach point.
982  getFileCopy(filename, localPath(filename).absolutename(), expectedFileSize_r);
983 }
984 
986 
987 void MediaCurl::getFileCopy( const Pathname & filename , const Pathname & target, const ByteCount &expectedFileSize_r ) const
988 {
990 
991  Url fileurl(getFileUrl(filename));
992 
993  bool retry = false;
994 
995  do
996  {
997  try
998  {
999  doGetFileCopy(filename, target, report, expectedFileSize_r);
1000  retry = false;
1001  }
1002  // retry with proper authentication data
1003  catch (MediaUnauthorizedException & ex_r)
1004  {
1005  if(authenticate(ex_r.hint(), !retry))
1006  retry = true;
1007  else
1008  {
1010  ZYPP_RETHROW(ex_r);
1011  }
1012  }
1013  // unexpected exception
1014  catch (MediaException & excpt_r)
1015  {
1017  if( typeid(excpt_r) == typeid( media::MediaFileNotFoundException ) ||
1018  typeid(excpt_r) == typeid( media::MediaNotAFileException ) )
1019  {
1021  }
1022  report->finish(fileurl, reason, excpt_r.asUserHistory());
1023  ZYPP_RETHROW(excpt_r);
1024  }
1025  }
1026  while (retry);
1027 
1029 }
1030 
1032 
1033 bool MediaCurl::getDoesFileExist( const Pathname & filename ) const
1034 {
1035  bool retry = false;
1036 
1037  do
1038  {
1039  try
1040  {
1041  return doGetDoesFileExist( filename );
1042  }
1043  // authentication problem, retry with proper authentication data
1044  catch (MediaUnauthorizedException & ex_r)
1045  {
1046  if(authenticate(ex_r.hint(), !retry))
1047  retry = true;
1048  else
1049  ZYPP_RETHROW(ex_r);
1050  }
1051  // unexpected exception
1052  catch (MediaException & excpt_r)
1053  {
1054  ZYPP_RETHROW(excpt_r);
1055  }
1056  }
1057  while (retry);
1058 
1059  return false;
1060 }
1061 
1063 
1065  CURLcode code,
1066  bool timeout_reached) const
1067 {
1068  if ( code != 0 )
1069  {
1070  Url url;
1071  if (filename.empty())
1072  url = _url;
1073  else
1074  url = getFileUrl(filename);
1075 
1076  std::string err;
1077  {
1078  switch ( code )
1079  {
1080  case CURLE_UNSUPPORTED_PROTOCOL:
1081  case CURLE_URL_MALFORMAT:
1082  case CURLE_URL_MALFORMAT_USER:
1083  err = " Bad URL";
1084  break;
1085  case CURLE_LOGIN_DENIED:
1086  ZYPP_THROW(
1087  MediaUnauthorizedException(url, "Login failed.", _curlError, ""));
1088  break;
1089  case CURLE_HTTP_RETURNED_ERROR:
1090  {
1091  long httpReturnCode = 0;
1092  CURLcode infoRet = curl_easy_getinfo( _curl,
1093  CURLINFO_RESPONSE_CODE,
1094  &httpReturnCode );
1095  if ( infoRet == CURLE_OK )
1096  {
1097  string msg = "HTTP response: " + str::numstring( httpReturnCode );
1098  switch ( httpReturnCode )
1099  {
1100  case 401:
1101  {
1102  string auth_hint = getAuthHint();
1103 
1104  DBG << msg << " Login failed (URL: " << url.asString() << ")" << std::endl;
1105  DBG << "MediaUnauthorizedException auth hint: '" << auth_hint << "'" << std::endl;
1106 
1108  url, "Login failed.", _curlError, auth_hint
1109  ));
1110  }
1111 
1112  case 502: // bad gateway (bnc #1070851)
1113  case 503: // service temporarily unavailable (bnc #462545)
1115  case 504: // gateway timeout
1117  case 403:
1118  {
1119  string msg403;
1120  if (url.asString().find("novell.com") != string::npos)
1121  msg403 = _("Visit the Novell Customer Center to check whether your registration is valid and has not expired.");
1123  }
1124  case 404:
1125  case 410:
1127  }
1128 
1129  DBG << msg << " (URL: " << url.asString() << ")" << std::endl;
1131  }
1132  else
1133  {
1134  string msg = "Unable to retrieve HTTP response:";
1135  DBG << msg << " (URL: " << url.asString() << ")" << std::endl;
1137  }
1138  }
1139  break;
1140  case CURLE_FTP_COULDNT_RETR_FILE:
1141 #if CURLVERSION_AT_LEAST(7,16,0)
1142  case CURLE_REMOTE_FILE_NOT_FOUND:
1143 #endif
1144  case CURLE_FTP_ACCESS_DENIED:
1145  case CURLE_TFTP_NOTFOUND:
1146  err = "File not found";
1148  break;
1149  case CURLE_BAD_PASSWORD_ENTERED:
1150  case CURLE_FTP_USER_PASSWORD_INCORRECT:
1151  err = "Login failed";
1152  break;
1153  case CURLE_COULDNT_RESOLVE_PROXY:
1154  case CURLE_COULDNT_RESOLVE_HOST:
1155  case CURLE_COULDNT_CONNECT:
1156  case CURLE_FTP_CANT_GET_HOST:
1157  err = "Connection failed";
1158  break;
1159  case CURLE_WRITE_ERROR:
1160  err = "Write error";
1161  break;
1162  case CURLE_PARTIAL_FILE:
1163  case CURLE_OPERATION_TIMEDOUT:
1164  timeout_reached = true; // fall though to TimeoutException
1165  // fall though...
1166  case CURLE_ABORTED_BY_CALLBACK:
1167  if( timeout_reached )
1168  {
1169  err = "Timeout reached";
1171  }
1172  else
1173  {
1174  err = "User abort";
1175  }
1176  break;
1177  case CURLE_SSL_PEER_CERTIFICATE:
1178  default:
1179  err = "Curl error " + str::numstring( code );
1180  break;
1181  }
1182 
1183  // uhm, no 0 code but unknown curl exception
1185  }
1186  }
1187  else
1188  {
1189  // actually the code is 0, nothing happened
1190  }
1191 }
1192 
1194 
1195 bool MediaCurl::doGetDoesFileExist( const Pathname & filename ) const
1196 {
1197  DBG << filename.asString() << endl;
1198 
1199  if(!_url.isValid())
1201 
1202  if(_url.getHost().empty())
1204 
1205  Url url(getFileUrl(filename));
1206 
1207  DBG << "URL: " << url.asString() << endl;
1208  // Use URL without options and without username and passwd
1209  // (some proxies dislike them in the URL).
1210  // Curl seems to need the just scheme, hostname and a path;
1211  // the rest was already passed as curl options (in attachTo).
1212  Url curlUrl( clearQueryString(url) );
1213 
1214  //
1215  // See also Bug #154197 and ftp url definition in RFC 1738:
1216  // The url "ftp://user@host/foo/bar/file" contains a path,
1217  // that is relative to the user's home.
1218  // The url "ftp://user@host//foo/bar/file" (or also with
1219  // encoded slash as %2f) "ftp://user@host/%2ffoo/bar/file"
1220  // contains an absolute path.
1221  //
1222  string urlBuffer( curlUrl.asString());
1223  CURLcode ret = curl_easy_setopt( _curl, CURLOPT_URL,
1224  urlBuffer.c_str() );
1225  if ( ret != 0 ) {
1227  }
1228 
1229  // instead of returning no data with NOBODY, we return
1230  // little data, that works with broken servers, and
1231  // works for ftp as well, because retrieving only headers
1232  // ftp will return always OK code ?
1233  // See http://curl.haxx.se/docs/knownbugs.html #58
1234  if ( (_url.getScheme() == "http" || _url.getScheme() == "https") &&
1236  ret = curl_easy_setopt( _curl, CURLOPT_NOBODY, 1L );
1237  else
1238  ret = curl_easy_setopt( _curl, CURLOPT_RANGE, "0-1" );
1239 
1240  if ( ret != 0 ) {
1241  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
1242  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
1243  /* yes, this is why we never got to get NOBODY working before,
1244  because setting it changes this option too, and we also
1245  need to reset it
1246  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1247  */
1248  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L );
1250  }
1251 
1252  FILE *file = ::fopen( "/dev/null", "w" );
1253  if ( !file ) {
1254  ERR << "fopen failed for /dev/null" << endl;
1255  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
1256  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
1257  /* yes, this is why we never got to get NOBODY working before,
1258  because setting it changes this option too, and we also
1259  need to reset it
1260  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1261  */
1262  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L );
1263  if ( ret != 0 ) {
1265  }
1266  ZYPP_THROW(MediaWriteException("/dev/null"));
1267  }
1268 
1269  ret = curl_easy_setopt( _curl, CURLOPT_WRITEDATA, file );
1270  if ( ret != 0 ) {
1271  ::fclose(file);
1272  std::string err( _curlError);
1273  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
1274  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
1275  /* yes, this is why we never got to get NOBODY working before,
1276  because setting it changes this option too, and we also
1277  need to reset it
1278  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1279  */
1280  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L );
1281  if ( ret != 0 ) {
1283  }
1285  }
1286 
1287  CURLcode ok = curl_easy_perform( _curl );
1288  MIL << "perform code: " << ok << " [ " << curl_easy_strerror(ok) << " ]" << endl;
1289 
1290  // reset curl settings
1291  if ( _url.getScheme() == "http" || _url.getScheme() == "https" )
1292  {
1293  curl_easy_setopt( _curl, CURLOPT_NOBODY, 0L);
1294  if ( ret != 0 ) {
1296  }
1297 
1298  /* yes, this is why we never got to get NOBODY working before,
1299  because setting it changes this option too, and we also
1300  need to reset it
1301  See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1302  */
1303  curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1L);
1304  if ( ret != 0 ) {
1306  }
1307 
1308  }
1309  else
1310  {
1311  // for FTP we set different options
1312  curl_easy_setopt( _curl, CURLOPT_RANGE, NULL);
1313  if ( ret != 0 ) {
1315  }
1316  }
1317 
1318  // if the code is not zero, close the file
1319  if ( ok != 0 )
1320  ::fclose(file);
1321 
1322  // as we are not having user interaction, the user can't cancel
1323  // the file existence checking, a callback or timeout return code
1324  // will be always a timeout.
1325  try {
1326  evaluateCurlCode( filename, ok, true /* timeout */);
1327  }
1328  catch ( const MediaFileNotFoundException &e ) {
1329  // if the file did not exist then we can return false
1330  return false;
1331  }
1332  catch ( const MediaException &e ) {
1333  // some error, we are not sure about file existence, rethrw
1334  ZYPP_RETHROW(e);
1335  }
1336  // exists
1337  return ( ok == CURLE_OK );
1338 }
1339 
1341 
1342 
1343 #if DETECT_DIR_INDEX
1344 bool MediaCurl::detectDirIndex() const
1345 {
1346  if(_url.getScheme() != "http" && _url.getScheme() != "https")
1347  return false;
1348  //
1349  // try to check the effective url and set the not_a_file flag
1350  // if the url path ends with a "/", what usually means, that
1351  // we've received a directory index (index.html content).
1352  //
1353  // Note: This may be dangerous and break file retrieving in
1354  // case of some server redirections ... ?
1355  //
1356  bool not_a_file = false;
1357  char *ptr = NULL;
1358  CURLcode ret = curl_easy_getinfo( _curl,
1359  CURLINFO_EFFECTIVE_URL,
1360  &ptr);
1361  if ( ret == CURLE_OK && ptr != NULL)
1362  {
1363  try
1364  {
1365  Url eurl( ptr);
1366  std::string path( eurl.getPathName());
1367  if( !path.empty() && path != "/" && *path.rbegin() == '/')
1368  {
1369  DBG << "Effective url ("
1370  << eurl
1371  << ") seems to provide the index of a directory"
1372  << endl;
1373  not_a_file = true;
1374  }
1375  }
1376  catch( ... )
1377  {}
1378  }
1379  return not_a_file;
1380 }
1381 #endif
1382 
1384 
1385 void MediaCurl::doGetFileCopy(const Pathname & filename , const Pathname & target, callback::SendReport<DownloadProgressReport> & report, const ByteCount &expectedFileSize_r, RequestOptions options ) const
1386 {
1387  Pathname dest = target.absolutename();
1388  if( assert_dir( dest.dirname() ) )
1389  {
1390  DBG << "assert_dir " << dest.dirname() << " failed" << endl;
1391  Url url(getFileUrl(filename));
1392  ZYPP_THROW( MediaSystemException(url, "System error on " + dest.dirname().asString()) );
1393  }
1394  string destNew = target.asString() + ".new.zypp.XXXXXX";
1395  char *buf = ::strdup( destNew.c_str());
1396  if( !buf)
1397  {
1398  ERR << "out of memory for temp file name" << endl;
1399  Url url(getFileUrl(filename));
1400  ZYPP_THROW(MediaSystemException(url, "out of memory for temp file name"));
1401  }
1402 
1403  int tmp_fd = ::mkostemp( buf, O_CLOEXEC );
1404  if( tmp_fd == -1)
1405  {
1406  free( buf);
1407  ERR << "mkstemp failed for file '" << destNew << "'" << endl;
1408  ZYPP_THROW(MediaWriteException(destNew));
1409  }
1410  destNew = buf;
1411  free( buf);
1412 
1413  FILE *file = ::fdopen( tmp_fd, "we" );
1414  if ( !file ) {
1415  ::close( tmp_fd);
1416  filesystem::unlink( destNew );
1417  ERR << "fopen failed for file '" << destNew << "'" << endl;
1418  ZYPP_THROW(MediaWriteException(destNew));
1419  }
1420 
1421  DBG << "dest: " << dest << endl;
1422  DBG << "temp: " << destNew << endl;
1423 
1424  // set IFMODSINCE time condition (no download if not modified)
1425  if( PathInfo(target).isExist() && !(options & OPTION_NO_IFMODSINCE) )
1426  {
1427  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
1428  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, (long)PathInfo(target).mtime());
1429  }
1430  else
1431  {
1432  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1433  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0L);
1434  }
1435  try
1436  {
1437  doGetFileCopyFile(filename, dest, file, report, expectedFileSize_r, options);
1438  }
1439  catch (Exception &e)
1440  {
1441  ::fclose( file );
1442  filesystem::unlink( destNew );
1443  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1444  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0L);
1445  ZYPP_RETHROW(e);
1446  }
1447 
1448  long httpReturnCode = 0;
1449  CURLcode infoRet = curl_easy_getinfo(_curl,
1450  CURLINFO_RESPONSE_CODE,
1451  &httpReturnCode);
1452  bool modified = true;
1453  if (infoRet == CURLE_OK)
1454  {
1455  DBG << "HTTP response: " + str::numstring(httpReturnCode);
1456  if ( httpReturnCode == 304
1457  || ( httpReturnCode == 213 && (_url.getScheme() == "ftp" || _url.getScheme() == "tftp") ) ) // not modified
1458  {
1459  DBG << " Not modified.";
1460  modified = false;
1461  }
1462  DBG << endl;
1463  }
1464  else
1465  {
1466  WAR << "Could not get the reponse code." << endl;
1467  }
1468 
1469  if (modified || infoRet != CURLE_OK)
1470  {
1471  // apply umask
1472  if ( ::fchmod( ::fileno(file), filesystem::applyUmaskTo( 0644 ) ) )
1473  {
1474  ERR << "Failed to chmod file " << destNew << endl;
1475  }
1476  if (::fclose( file ))
1477  {
1478  ERR << "Fclose failed for file '" << destNew << "'" << endl;
1479  ZYPP_THROW(MediaWriteException(destNew));
1480  }
1481  // move the temp file into dest
1482  if ( rename( destNew, dest ) != 0 ) {
1483  ERR << "Rename failed" << endl;
1485  }
1486  }
1487  else
1488  {
1489  // close and remove the temp file
1490  ::fclose( file );
1491  filesystem::unlink( destNew );
1492  }
1493 
1494  DBG << "done: " << PathInfo(dest) << endl;
1495 }
1496 
1498 
1499 void MediaCurl::doGetFileCopyFile(const Pathname & filename , const Pathname & dest, FILE *file, callback::SendReport<DownloadProgressReport> & report, const ByteCount &expectedFileSize_r, RequestOptions options ) const
1500 {
1501  DBG << filename.asString() << endl;
1502 
1503  if(!_url.isValid())
1505 
1506  if(_url.getHost().empty())
1508 
1509  Url url(getFileUrl(filename));
1510 
1511  DBG << "URL: " << url.asString() << endl;
1512  // Use URL without options and without username and passwd
1513  // (some proxies dislike them in the URL).
1514  // Curl seems to need the just scheme, hostname and a path;
1515  // the rest was already passed as curl options (in attachTo).
1516  Url curlUrl( clearQueryString(url) );
1517 
1518  //
1519  // See also Bug #154197 and ftp url definition in RFC 1738:
1520  // The url "ftp://user@host/foo/bar/file" contains a path,
1521  // that is relative to the user's home.
1522  // The url "ftp://user@host//foo/bar/file" (or also with
1523  // encoded slash as %2f) "ftp://user@host/%2ffoo/bar/file"
1524  // contains an absolute path.
1525  //
1526  string urlBuffer( curlUrl.asString());
1527  CURLcode ret = curl_easy_setopt( _curl, CURLOPT_URL,
1528  urlBuffer.c_str() );
1529  if ( ret != 0 ) {
1531  }
1532 
1533  ret = curl_easy_setopt( _curl, CURLOPT_WRITEDATA, file );
1534  if ( ret != 0 ) {
1536  }
1537 
1538  // Set callback and perform.
1539  ProgressData progressData(_curl, _settings.timeout(), url, expectedFileSize_r, &report);
1540  if (!(options & OPTION_NO_REPORT_START))
1541  report->start(url, dest);
1542  if ( curl_easy_setopt( _curl, CURLOPT_PROGRESSDATA, &progressData ) != 0 ) {
1543  WAR << "Can't set CURLOPT_PROGRESSDATA: " << _curlError << endl;;
1544  }
1545 
1546  ret = curl_easy_perform( _curl );
1547 #if CURLVERSION_AT_LEAST(7,19,4)
1548  // bnc#692260: If the client sends a request with an If-Modified-Since header
1549  // with a future date for the server, the server may respond 200 sending a
1550  // zero size file.
1551  // curl-7.19.4 introduces CURLINFO_CONDITION_UNMET to check this condition.
1552  if ( ftell(file) == 0 && ret == 0 )
1553  {
1554  long httpReturnCode = 33;
1555  if ( curl_easy_getinfo( _curl, CURLINFO_RESPONSE_CODE, &httpReturnCode ) == CURLE_OK && httpReturnCode == 200 )
1556  {
1557  long conditionUnmet = 33;
1558  if ( curl_easy_getinfo( _curl, CURLINFO_CONDITION_UNMET, &conditionUnmet ) == CURLE_OK && conditionUnmet )
1559  {
1560  WAR << "TIMECONDITION unmet - retry without." << endl;
1561  curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1562  curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0L);
1563  ret = curl_easy_perform( _curl );
1564  }
1565  }
1566  }
1567 #endif
1568 
1569  if ( curl_easy_setopt( _curl, CURLOPT_PROGRESSDATA, NULL ) != 0 ) {
1570  WAR << "Can't unset CURLOPT_PROGRESSDATA: " << _curlError << endl;;
1571  }
1572 
1573  if ( ret != 0 )
1574  {
1575  ERR << "curl error: " << ret << ": " << _curlError
1576  << ", temp file size " << ftell(file)
1577  << " bytes." << endl;
1578 
1579  // the timeout is determined by the progress data object
1580  // which holds whether the timeout was reached or not,
1581  // otherwise it would be a user cancel
1582  try {
1583 
1584  if ( progressData.fileSizeExceeded )
1585  ZYPP_THROW(MediaFileSizeExceededException(url, progressData._expectedFileSize));
1586 
1587  evaluateCurlCode( filename, ret, progressData.reached );
1588  }
1589  catch ( const MediaException &e ) {
1590  // some error, we are not sure about file existence, rethrw
1591  ZYPP_RETHROW(e);
1592  }
1593  }
1594 
1595 #if DETECT_DIR_INDEX
1596  if (!ret && detectDirIndex())
1597  {
1599  }
1600 #endif // DETECT_DIR_INDEX
1601 }
1602 
1604 
1605 void MediaCurl::getDir( const Pathname & dirname, bool recurse_r ) const
1606 {
1607  filesystem::DirContent content;
1608  getDirInfo( content, dirname, /*dots*/false );
1609 
1610  for ( filesystem::DirContent::const_iterator it = content.begin(); it != content.end(); ++it ) {
1611  Pathname filename = dirname + it->name;
1612  int res = 0;
1613 
1614  switch ( it->type ) {
1615  case filesystem::FT_NOT_AVAIL: // old directory.yast contains no typeinfo at all
1616  case filesystem::FT_FILE:
1617  getFile( filename, 0 );
1618  break;
1619  case filesystem::FT_DIR: // newer directory.yast contain at least directory info
1620  if ( recurse_r ) {
1621  getDir( filename, recurse_r );
1622  } else {
1623  res = assert_dir( localPath( filename ) );
1624  if ( res ) {
1625  WAR << "Ignore error (" << res << ") on creating local directory '" << localPath( filename ) << "'" << endl;
1626  }
1627  }
1628  break;
1629  default:
1630  // don't provide devices, sockets, etc.
1631  break;
1632  }
1633  }
1634 }
1635 
1637 
1638 void MediaCurl::getDirInfo( std::list<std::string> & retlist,
1639  const Pathname & dirname, bool dots ) const
1640 {
1641  getDirectoryYast( retlist, dirname, dots );
1642 }
1643 
1645 
1647  const Pathname & dirname, bool dots ) const
1648 {
1649  getDirectoryYast( retlist, dirname, dots );
1650 }
1651 
1653 //
1654 int MediaCurl::aliveCallback( void *clientp, double /*dltotal*/, double dlnow, double /*ultotal*/, double /*ulnow*/ )
1655 {
1656  ProgressData *pdata = reinterpret_cast<ProgressData *>( clientp );
1657  if( pdata )
1658  {
1659  // Do not propagate dltotal in alive callbacks. MultiCurl uses this to
1660  // prevent a percentage raise while downloading a metalink file. Download
1661  // activity however is indicated by propagating the download rate (via dlnow).
1662  pdata->updateStats( 0.0, dlnow );
1663  return pdata->reportProgress();
1664  }
1665  return 0;
1666 }
1667 
1668 int MediaCurl::progressCallback( void *clientp, double dltotal, double dlnow, double ultotal, double ulnow )
1669 {
1670  ProgressData *pdata = reinterpret_cast<ProgressData *>( clientp );
1671  if( pdata )
1672  {
1673  // work around curl bug that gives us old data
1674  long httpReturnCode = 0;
1675  if ( curl_easy_getinfo( pdata->curl, CURLINFO_RESPONSE_CODE, &httpReturnCode ) != CURLE_OK || httpReturnCode == 0 )
1676  return aliveCallback( clientp, dltotal, dlnow, ultotal, ulnow );
1677 
1678  pdata->updateStats( dltotal, dlnow );
1679  return pdata->reportProgress();
1680  }
1681  return 0;
1682 }
1683 
1685 {
1686  ProgressData *pdata = reinterpret_cast<ProgressData *>(clientp);
1687  return pdata ? pdata->curl : 0;
1688 }
1689 
1691 
1693 {
1694  long auth_info = CURLAUTH_NONE;
1695 
1696  CURLcode infoRet =
1697  curl_easy_getinfo(_curl, CURLINFO_HTTPAUTH_AVAIL, &auth_info);
1698 
1699  if(infoRet == CURLE_OK)
1700  {
1701  return CurlAuthData::auth_type_long2str(auth_info);
1702  }
1703 
1704  return "";
1705 }
1706 
1711 void MediaCurl::resetExpectedFileSize(void *clientp, const ByteCount &expectedFileSize)
1712 {
1713  ProgressData *data = reinterpret_cast<ProgressData *>(clientp);
1714  if ( data ) {
1715  data->_expectedFileSize = expectedFileSize;
1716  }
1717 }
1718 
1720 
1721 bool MediaCurl::authenticate(const string & availAuthTypes, bool firstTry) const
1722 {
1724  CredentialManager cm(CredManagerOptions(ZConfig::instance().repoManagerRoot()));
1725  CurlAuthData_Ptr credentials;
1726 
1727  // get stored credentials
1728  AuthData_Ptr cmcred = cm.getCred(_url);
1729 
1730  if (cmcred && firstTry)
1731  {
1732  credentials.reset(new CurlAuthData(*cmcred));
1733  DBG << "got stored credentials:" << endl << *credentials << endl;
1734  }
1735  // if not found, ask user
1736  else
1737  {
1738 
1739  CurlAuthData_Ptr curlcred;
1740  curlcred.reset(new CurlAuthData());
1742 
1743  // preset the username if present in current url
1744  if (!_url.getUsername().empty() && firstTry)
1745  curlcred->setUsername(_url.getUsername());
1746  // if CM has found some credentials, preset the username from there
1747  else if (cmcred)
1748  curlcred->setUsername(cmcred->username());
1749 
1750  // indicate we have no good credentials from CM
1751  cmcred.reset();
1752 
1753  string prompt_msg = str::Format(_("Authentication required for '%s'")) % _url.asString();
1754 
1755  // set available authentication types from the exception
1756  // might be needed in prompt
1757  curlcred->setAuthType(availAuthTypes);
1758 
1759  // ask user
1760  if (auth_report->prompt(_url, prompt_msg, *curlcred))
1761  {
1762  DBG << "callback answer: retry" << endl
1763  << "CurlAuthData: " << *curlcred << endl;
1764 
1765  if (curlcred->valid())
1766  {
1767  credentials = curlcred;
1768  // if (credentials->username() != _url.getUsername())
1769  // _url.setUsername(credentials->username());
1777  }
1778  }
1779  else
1780  {
1781  DBG << "callback answer: cancel" << endl;
1782  }
1783  }
1784 
1785  // set username and password
1786  if (credentials)
1787  {
1788  // HACK, why is this const?
1789  const_cast<MediaCurl*>(this)->_settings.setUsername(credentials->username());
1790  const_cast<MediaCurl*>(this)->_settings.setPassword(credentials->password());
1791 
1792  // set username and password
1793  CURLcode ret = curl_easy_setopt(_curl, CURLOPT_USERPWD, _settings.userPassword().c_str());
1795 
1796  // set available authentication types from the exception
1797  if (credentials->authType() == CURLAUTH_NONE)
1798  credentials->setAuthType(availAuthTypes);
1799 
1800  // set auth type (seems this must be set _after_ setting the userpwd)
1801  if (credentials->authType() != CURLAUTH_NONE)
1802  {
1803  // FIXME: only overwrite if not empty?
1804  const_cast<MediaCurl*>(this)->_settings.setAuthType(credentials->authTypeAsString());
1805  ret = curl_easy_setopt(_curl, CURLOPT_HTTPAUTH, credentials->authType());
1807  }
1808 
1809  if (!cmcred)
1810  {
1811  credentials->setUrl(_url);
1812  cm.addCred(*credentials);
1813  cm.save();
1814  }
1815 
1816  return true;
1817  }
1818 
1819  return false;
1820 }
1821 
1822 
1823  } // namespace media
1824 } // namespace zypp
1825 //
std::string getScheme() const
Returns the scheme name of the URL.
Definition: Url.cc:527
void setPassword(const std::string &pass, EEncoding eflag=zypp::url::E_DECODED)
Set the password in the URL authority.
Definition: Url.cc:733
long timeout() const
transfer timeout
std::string authType() const
get the allowed authentication types
int assert_dir(const Pathname &path, unsigned mode)
Like &#39;mkdir -p&#39;.
Definition: PathInfo.cc:320
Interface to gettext.
#define SET_OPTION_OFFT(opt, val)
Definition: MediaCurl.cc:553
double _dnlLast
Bytes downloaded at period start.
Definition: MediaCurl.cc:212
#define MIL
Definition: Logger.h:64
#define CONNECT_TIMEOUT
Definition: MediaCurl.cc:42
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:392
static ZConfig & instance()
Singleton ctor.
Definition: Resolver.cc:125
std::string proxyUserPassword() const
returns the proxy user and password as a user:pass string
virtual void releaseFrom(const std::string &ejectDev)
Call concrete handler to release the media.
Definition: MediaCurl.cc:957
void checkProtocol(const Url &url) const
check the url is supported by the curl library
Definition: MediaCurl.cc:631
bool authenticate(const std::string &availAuthTypes, bool firstTry) const
Definition: MediaCurl.cc:1721
Implementation class for FTP, HTTP and HTTPS MediaHandler.
Definition: MediaCurl.h:32
Flag to request encoded string(s).
Definition: UrlUtils.h:53
virtual void getDir(const Pathname &dirname, bool recurse_r) const
Call concrete handler to provide directory content (not recursive!) below attach point.
Definition: MediaCurl.cc:1605
Pathname clientCertificatePath() const
SSL client certificate file.
virtual bool checkAttachPoint(const Pathname &apoint) const
Verify if the specified directory as attach point (root) as requires by the particular media handler ...
virtual bool checkAttachPoint(const Pathname &apoint) const
Verify if the specified directory as attach point (root) as requires by the particular media handler ...
Definition: MediaCurl.cc:933
Store and operate with byte count.
Definition: ByteCount.h:30
long maxDownloadSpeed() const
Maximum download speed (bytes per second)
std::string proxy() const
proxy host
time_t _timeStart
Start total stats.
Definition: MediaCurl.cc:206
void setClientKeyPath(const zypp::Pathname &path)
Sets the SSL client key file.
to not add a IFMODSINCE header if target exists
Definition: MediaCurl.h:44
TransferSettings & settings()
Definition: MediaCurl.cc:618
Holds transfer setting.
void save()
Saves any unsaved credentials added via addUserCred() or addGlobalCred() methods. ...
bool verifyHostEnabled() const
Whether to verify host for ssl.
static int progressCallback(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
Callback reporting download progress.
Definition: MediaCurl.cc:1668
void setProxyUsername(const std::string &proxyuser)
sets the proxy user
void setAttachPoint(const Pathname &path, bool temp)
Set a new attach point.
bool useProxyFor(const Url &url_r) const
Return true if enabled and url_r does not match noProxy.
Definition: ProxyInfo.cc:56
const char * c_str() const
String representation.
Definition: Pathname.h:109
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...
void setPathParams(const std::string &params)
Set the path parameters.
Definition: Url.cc:785
void setHeadRequestsAllowed(bool allowed)
set whether HEAD requests are allowed
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:1654
Pathname certificateAuthoritiesPath() const
SSL certificate authorities path ( default: /etc/ssl/certs )
Definition: Arch.h:344
pthread_once_t OnceFlag
The OnceFlag variable type.
Definition: Once.h:32
AuthData_Ptr getCred(const Url &url)
Get credentials for the specified url.
std::string username() const
auth username
time_t _timeNow
Now.
Definition: MediaCurl.cc:209
Url url
Definition: MediaCurl.cc:199
void setConnectTimeout(long t)
set the connect timeout
void setUsername(const std::string &user, EEncoding eflag=zypp::url::E_DECODED)
Set the username in the URL authority.
Definition: Url.cc:724
double dload
Definition: MediaCurl.cc:292
unsigned split(const C_Str &line_r, TOutputIterator result_r, const C_Str &sepchars_r=" \)
Split line_r into words.
Definition: String.h:502
virtual void setupEasy()
initializes the curl easy handle with the data from the url
Definition: MediaCurl.cc:656
#define EXPLICITLY_NO_PROXY
Definition: MediaCurl.cc:45
Convenient building of std::string with boost::format.
Definition: String.h:251
Structure holding values of curlrc options.
Definition: CurlConfig.h:16
Headers::const_iterator headersEnd() const
end iterators to additional headers
std::string form(const char *format,...) __attribute__((format(printf
Printf style construction of std::string.
Definition: String.cc:36
std::string userAgentString() const
user agent string
Edition * _value
Definition: SysContent.cc:311
std::string _currentCookieFile
Definition: MediaCurl.h:170
void setProxy(const std::string &proxyhost)
proxy to use if it is enabled
void setFragment(const std::string &fragment, EEncoding eflag=zypp::url::E_DECODED)
Set the fragment string in the URL.
Definition: Url.cc:716
#define ERR
Definition: Logger.h:66
Url getFileUrl(const Pathname &filename) const
concatenate the attach url and the filename to a complete download url
Definition: MediaCurl.cc:962
void setPassword(const std::string &password)
sets the auth password
Pathname localPath(const Pathname &pathname) const
Files provided will be available at &#39;localPath(filename)&#39;.
void setUsername(const std::string &username)
sets the auth username
void setAnonymousAuth()
sets anonymous authentication (ie: for ftp)
int ZYPP_MEDIA_CURL_IPRESOLVE()
Definition: MediaCurl.cc:173
static void setCookieFile(const Pathname &)
Definition: MediaCurl.cc:624
bool verifyPeerEnabled() const
Whether to verify peer for ssl.
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:1711
const std::string & hint() const
comma separated list of available authentication types
bool empty() const
Test for an empty path.
Definition: Pathname.h:113
#define ZYPP_RETHROW(EXCPT)
Drops a logline and rethrows, updating the CodeLocation.
Definition: Exception.h:400
bool detectDirIndex() const
void setPathName(const std::string &path, EEncoding eflag=zypp::url::E_DECODED)
Set the path name.
Definition: Url.cc:758
static int parseConfig(CurlConfig &config, const std::string &filename="")
Parse a curlrc file and store the result in the config structure.
Definition: CurlConfig.cc:24
std::string asString() const
Returns a default string representation of the Url object.
Definition: Url.cc:491
time_t timeout
Definition: MediaCurl.cc:200
std::string escape(const C_Str &str_r, const char sep_r)
Escape desired character c using a backslash.
Definition: String.cc:369
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:654
void setProxyPassword(const std::string &proxypass)
sets the proxy password
Abstract base class for &#39;physical&#39; MediaHandler like MediaCD, etc.
Definition: MediaHandler.h:45
Url clearQueryString(const Url &url) const
Definition: MediaCurl.cc:593
int _dnlPercent
Percent completed or 0 if _dnlTotal is unknown.
Definition: MediaCurl.cc:215
void callOnce(OnceFlag &flag, void(*func)())
Call once function.
Definition: Once.h:50
void setAuthType(const std::string &authtype)
set the allowed authentication types
std::string trim(const std::string &s, const Trim trim_r)
Definition: String.cc:221
int unlink(const Pathname &path)
Like &#39;unlink&#39;.
Definition: PathInfo.cc:653
const Url _url
Url to handle.
Definition: MediaHandler.h:110
void setMediaSource(const MediaSourceRef &ref)
Set new media source reference.
const std::string & asString() const
String representation.
Definition: Pathname.h:90
int rename(const Pathname &oldpath, const Pathname &newpath)
Like &#39;rename&#39;.
Definition: PathInfo.cc:695
Just inherits Exception to separate media exceptions.
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:1064
bool fileSizeExceeded
Definition: MediaCurl.cc:202
virtual void getFileCopy(const Pathname &srcFilename, const Pathname &targetFilename, const ByteCount &expectedFileSize_r) const override
Definition: MediaCurl.cc:987
std::string asUserHistory() const
A single (multiline) string composed of asUserString and historyAsString.
Definition: Exception.cc:91
void disconnect()
Use concrete handler to isconnect media.
long connectTimeout() const
connection timeout
Pathname dirname() const
Return all but the last component od this path.
Definition: Pathname.h:123
do not send a start ProgressReport
Definition: MediaCurl.h:46
#define WAR
Definition: Logger.h:65
TransferSettings _settings
Definition: MediaCurl.h:177
time_t ltime
Definition: MediaCurl.cc:290
virtual bool getDoesFileExist(const Pathname &filename) const
Repeatedly calls doGetDoesFileExist() until it successfully returns, fails unexpectedly, or user cancels the operation.
Definition: MediaCurl.cc:1033
bool reached
Definition: MediaCurl.cc:201
std::list< DirEntry > DirContent
Returned by readdir.
Definition: PathInfo.h:547
void getDirectoryYast(std::list< std::string > &retlist, const Pathname &dirname, bool dots=true) const
Retrieve and if available scan dirname/directory.yast.
void setTimeout(long t)
set the transfer timeout
std::string proxy(const Url &url) const
Definition: ProxyInfo.cc:44
Headers::const_iterator headersBegin() const
begin iterators to additional headers
#define _(MSG)
Definition: Gettext.h:29
static const char *const agentString()
initialized only once, this gets the agent string which also includes the curl version ...
Definition: MediaCurl.cc:526
std::string proxyuserpwd
Definition: CurlConfig.h:39
Pathname clientKeyPath() const
SSL client key file.
bool isValid() const
Verifies the Url.
Definition: Url.cc:483
virtual bool doGetDoesFileExist(const Pathname &filename) const
Definition: MediaCurl.cc:1195
virtual void getDirInfo(std::list< std::string > &retlist, const Pathname &dirname, bool dots=true) const
Call concrete handler to provide a content list of directory on media via retlist.
Definition: MediaCurl.cc:1638
virtual void getFile(const Pathname &filename, const ByteCount &expectedFileSize_r) const override
Call concrete handler to provide file below attach point.
Definition: MediaCurl.cc:978
shared_ptr< CurlAuthData > CurlAuthData_Ptr
std::string numstring(char n, int w=0)
Definition: String.h:288
virtual void disconnectFrom()
Definition: MediaCurl.cc:940
SolvableIdType size_type
Definition: PoolMember.h:126
Media source internally used by MediaManager and MediaHandler.
Definition: MediaSource.h:36
static std::string auth_type_long2str(long auth_type)
Converts a long of ORed CURLAUTH_* identifiers into a string of comma separated list of authenticatio...
long minDownloadSpeed() const
Minimum download speed (bytes per second) until the connection is dropped.
void fillSettingsFromUrl(const Url &url, TransferSettings &s)
Fills the settings structure using options passed on the url for example ?timeout=x&proxy=foo.
Definition: MediaCurl.cc:325
curl_slist * _customHeaders
Definition: MediaCurl.h:176
void setClientCertificatePath(const zypp::Pathname &path)
Sets the SSL client certificate file.
bool proxyEnabled() const
proxy is enabled
shared_ptr< AuthData > AuthData_Ptr
Definition: MediaUserAuth.h:69
int rmdir(const Pathname &path)
Like &#39;rmdir&#39;.
Definition: PathInfo.cc:367
void doGetFileCopyFile(const Pathname &srcFilename, const Pathname &dest, FILE *file, callback::SendReport< DownloadProgressReport > &_report, const ByteCount &expectedFileSize_r, RequestOptions options=OPTION_NONE) const
Definition: MediaCurl.cc:1499
#define SET_OPTION(opt, val)
Definition: MediaCurl.cc:546
Pathname absolutename() const
Return this path, adding a leading &#39;/&#39; if relative.
Definition: Pathname.h:138
Base class for Exception.
Definition: Exception.h:145
Pathname attachPoint() const
Return the currently used attach point.
time_t _timeRcv
Start of no-data timeout.
Definition: MediaCurl.cc:208
Url url() const
Url used.
Definition: MediaHandler.h:507
static const char *const distributionFlavorHeader()
initialized only once, this gets the distribution flavor from the target, which we pass in the http h...
Definition: MediaCurl.cc:508
void fillSettingsSystemProxy(const Url &url, TransferSettings &s)
Reads the system proxy configuration and fills the settings structure proxy information.
Definition: MediaCurl.cc:462
callback::SendReport< DownloadProgressReport > * report
Definition: MediaCurl.cc:203
void addHeader(const std::string &header)
add a header, on the form "Foo: Bar"
std::string getPathName(EEncoding eflag=zypp::url::E_DECODED) const
Returns the path name from the URL.
Definition: Url.cc:598
CURL * curl
Definition: MediaCurl.cc:198
std::string getHost(EEncoding eflag=zypp::url::E_DECODED) const
Returns the hostname or IP from the URL authority.
Definition: Url.cc:582
static CURL * progressCallback_getcurl(void *clientp)
Definition: MediaCurl.cc:1684
void setCertificateAuthoritiesPath(const zypp::Pathname &path)
Sets the SSL certificate authorities path.
bool strToBool(const C_Str &str, bool default_r)
Parse str into a bool depending on the default value.
Definition: String.h:428
static long auth_type_str2long(std::string &auth_type_str)
Converts a string of comma separated list of authetication type names into a long of ORed CURLAUTH_* ...
Wrapper class for ::stat/::lstat.
Definition: PathInfo.h:220
virtual void attachTo(bool next=false)
Call concrete handler to attach the media.
Definition: MediaCurl.cc:898
double dload_period
Definition: MediaCurl.cc:284
static Pathname _cookieFile
Definition: MediaCurl.h:171
double _drateLast
Download rate in last period.
Definition: MediaCurl.cc:218
double drate_avg
Definition: MediaCurl.cc:288
mode_t applyUmaskTo(mode_t mode_r)
Modify mode_r according to the current umask ( mode_r & ~getUmask() ).
Definition: PathInfo.h:809
std::string userPassword() const
returns the user and password as a user:pass string
time_t _timeLast
Start last period(~1sec)
Definition: MediaCurl.cc:207
std::string proxyUsername() const
proxy auth username
double uload
Definition: MediaCurl.cc:294
Pathname createAttachPoint() const
Try to create a default / temporary attach point.
void addCred(const AuthData &cred)
Add new credentials with user callbacks.
#define TRANSFER_TIMEOUT_MAX
Definition: MediaCurl.cc:43
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:1
Curl HTTP authentication data.
Definition: MediaUserAuth.h:74
std::string getAuthHint() const
Return a comma separated list of available authentication methods supported by server.
Definition: MediaCurl.cc:1692
double drate_period
Definition: MediaCurl.cc:282
char _curlError[CURL_ERROR_SIZE]
Definition: MediaCurl.h:175
void setVerifyPeerEnabled(bool enabled)
Sets whether to verify host for ssl.
double _dnlNow
Bytes downloaded now.
Definition: MediaCurl.cc:213
long secs
Definition: MediaCurl.cc:286
Convenience interface for handling authentication data of media user.
bool userMayRWX() const
Definition: PathInfo.h:353
void setVerifyHostEnabled(bool enabled)
Sets whether to verify host for ssl.
Url manipulation class.
Definition: Url.h:87
bool headRequestsAllowed() const
whether HEAD requests are allowed
virtual void doGetFileCopy(const Pathname &srcFilename, const Pathname &targetFilename, callback::SendReport< DownloadProgressReport > &_report, const ByteCount &expectedFileSize_r, RequestOptions options=OPTION_NONE) const
Definition: MediaCurl.cc:1385
void setUserAgentString(const std::string &agent)
sets the user agent ie: "Mozilla v3"
static const char *const anonymousIdHeader()
initialized only once, this gets the anonymous id from the target, which we pass in the http header ...
Definition: MediaCurl.cc:490
double _drateTotal
Download rate so far.
Definition: MediaCurl.cc:217
void setProxyEnabled(bool enabled)
whether the proxy is used or not
#define DBG
Definition: Logger.h:63
void delQueryParam(const std::string &param)
remove the specified query parameter.
Definition: Url.cc:839
std::string getUsername(EEncoding eflag=zypp::url::E_DECODED) const
Returns the username from the URL authority.
Definition: Url.cc:566
ByteCount _expectedFileSize
Definition: MediaCurl.cc:204
double _dnlTotal
Bytes to download or 0 if unknown.
Definition: MediaCurl.cc:211
const std::string & msg() const
Return the message string provided to the ctor.
Definition: Exception.h:195