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1 // -*- mode: cpp; mode: fold -*-
2 // Description /*{{{*/
3 // $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
4 /* ######################################################################
5
6 Debian Specific sources.list types and the three sorts of Debian
7 index files.
8
9 ##################################################################### */
10 /*}}}*/
11 // Include Files /*{{{*/
12 #include <apt-pkg/debindexfile.h>
13 #include <apt-pkg/debsrcrecords.h>
14 #include <apt-pkg/deblistparser.h>
15 #include <apt-pkg/debrecords.h>
16 #include <apt-pkg/sourcelist.h>
17 #include <apt-pkg/configuration.h>
18 #include <apt-pkg/progress.h>
19 #include <apt-pkg/error.h>
20 #include <apt-pkg/strutl.h>
21 #include <apt-pkg/acquire-item.h>
22 #include <apt-pkg/debmetaindex.h>
23
24 #include <sys/stat.h>
25 /*}}}*/
26
27 // SourcesIndex::debSourcesIndex - Constructor /*{{{*/
28 // ---------------------------------------------------------------------
29 /* */
30 debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
31 pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
32 {
33 }
34 /*}}}*/
35 // SourcesIndex::SourceInfo - Short 1 liner describing a source /*{{{*/
36 // ---------------------------------------------------------------------
37 /* The result looks like:
38 http://foo/ stable/main src 1.1.1 (dsc) */
39 string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
40 pkgSrcRecords::File const &File) const
41 {
42 string Res;
43 Res = ::URI::SiteOnly(URI) + ' ';
44 if (Dist[Dist.size() - 1] == '/')
45 {
46 if (Dist != "/")
47 Res += Dist;
48 }
49 else
50 Res += Dist + '/' + Section;
51
52 Res += " ";
53 Res += Record.Package();
54 Res += " ";
55 Res += Record.Version();
56 if (File.Type.empty() == false)
57 Res += " (" + File.Type + ")";
58 return Res;
59 }
60 /*}}}*/
61 // SourcesIndex::CreateSrcParser - Get a parser for the source files /*{{{*/
62 // ---------------------------------------------------------------------
63 /* */
64 pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
65 {
66 string SourcesURI = URItoFileName(IndexURI("Sources"));
67 return new debSrcRecordParser(_config->FindDir("Dir::State::lists") +
68 SourcesURI,this);
69 }
70 /*}}}*/
71 // SourcesIndex::Describe - Give a descriptive path to the index /*{{{*/
72 // ---------------------------------------------------------------------
73 /* */
74 string debSourcesIndex::Describe(bool Short) const
75 {
76 char S[300];
77 if (Short == true)
78 snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
79 else
80 snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
81 IndexFile("Sources").c_str());
82
83 return S;
84 }
85 /*}}}*/
86 // SourcesIndex::Info - One liner describing the index URI /*{{{*/
87 // ---------------------------------------------------------------------
88 /* */
89 string debSourcesIndex::Info(const char *Type) const
90 {
91 string Info = ::URI::SiteOnly(URI) + ' ';
92 if (Dist[Dist.size() - 1] == '/')
93 {
94 if (Dist != "/")
95 Info += Dist;
96 }
97 else
98 Info += Dist + '/' + Section;
99 Info += " ";
100 Info += Type;
101 return Info;
102 }
103 /*}}}*/
104 // SourcesIndex::Index* - Return the URI to the index files /*{{{*/
105 // ---------------------------------------------------------------------
106 /* */
107 inline string debSourcesIndex::IndexFile(const char *Type) const
108 {
109 return URItoFileName(IndexURI(Type));
110 }
111 string debSourcesIndex::IndexURI(const char *Type) const
112 {
113 string Res;
114 if (Dist[Dist.size() - 1] == '/')
115 {
116 if (Dist != "/")
117 Res = URI + Dist;
118 else
119 Res = URI;
120 }
121 else
122 Res = URI + "dists/" + Dist + '/' + Section +
123 "/source/";
124
125 Res += Type;
126 return Res;
127 }
128 /*}}}*/
129 // SourcesIndex::Exists - Check if the index is available /*{{{*/
130 // ---------------------------------------------------------------------
131 /* */
132 bool debSourcesIndex::Exists() const
133 {
134 return FileExists(IndexFile("Sources"));
135 }
136 /*}}}*/
137 // SourcesIndex::Size - Return the size of the index /*{{{*/
138 // ---------------------------------------------------------------------
139 /* */
140 unsigned long debSourcesIndex::Size() const
141 {
142 struct stat S;
143 if (stat(IndexFile("Sources").c_str(),&S) != 0)
144 return 0;
145 return S.st_size;
146 }
147 /*}}}*/
148
149 // PackagesIndex::debPackagesIndex - Contructor /*{{{*/
150 // ---------------------------------------------------------------------
151 /* */
152 debPackagesIndex::debPackagesIndex(string const &URI, string const &Dist, string const &Section,
153 bool const &Trusted, string const &Arch) :
154 pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section), Architecture(Arch)
155 {
156 if (Architecture == "native")
157 Architecture = _config->Find("APT::Architecture");
158 }
159 /*}}}*/
160 // PackagesIndex::ArchiveInfo - Short version of the archive url /*{{{*/
161 // ---------------------------------------------------------------------
162 /* This is a shorter version that is designed to be < 60 chars or so */
163 string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
164 {
165 string Res = ::URI::SiteOnly(URI) + ' ';
166 if (Dist[Dist.size() - 1] == '/')
167 {
168 if (Dist != "/")
169 Res += Dist;
170 }
171 else
172 Res += Dist + '/' + Section;
173
174 Res += " ";
175 Res += Ver.ParentPkg().Name();
176 Res += " ";
177 Res += Ver.Arch();
178 Res += " ";
179 Res += Ver.VerStr();
180 return Res;
181 }
182 /*}}}*/
183 // PackagesIndex::Describe - Give a descriptive path to the index /*{{{*/
184 // ---------------------------------------------------------------------
185 /* This should help the user find the index in the sources.list and
186 in the filesystem for problem solving */
187 string debPackagesIndex::Describe(bool Short) const
188 {
189 char S[300];
190 if (Short == true)
191 snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
192 else
193 snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
194 IndexFile("Packages").c_str());
195 return S;
196 }
197 /*}}}*/
198 // PackagesIndex::Info - One liner describing the index URI /*{{{*/
199 // ---------------------------------------------------------------------
200 /* */
201 string debPackagesIndex::Info(const char *Type) const
202 {
203 string Info = ::URI::SiteOnly(URI) + ' ';
204 if (Dist[Dist.size() - 1] == '/')
205 {
206 if (Dist != "/")
207 Info += Dist;
208 }
209 else
210 Info += Dist + '/' + Section;
211 Info += " ";
212 Info += Architecture;
213 Info += " ";
214 Info += Type;
215 return Info;
216 }
217 /*}}}*/
218 // PackagesIndex::Index* - Return the URI to the index files /*{{{*/
219 // ---------------------------------------------------------------------
220 /* */
221 inline string debPackagesIndex::IndexFile(const char *Type) const
222 {
223 return _config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
224 }
225 string debPackagesIndex::IndexURI(const char *Type) const
226 {
227 string Res;
228 if (Dist[Dist.size() - 1] == '/')
229 {
230 if (Dist != "/")
231 Res = URI + Dist;
232 else
233 Res = URI;
234 }
235 else
236 Res = URI + "dists/" + Dist + '/' + Section +
237 "/binary-" + Architecture + '/';
238
239 Res += Type;
240 return Res;
241 }
242 /*}}}*/
243 // PackagesIndex::Exists - Check if the index is available /*{{{*/
244 // ---------------------------------------------------------------------
245 /* */
246 bool debPackagesIndex::Exists() const
247 {
248 return FileExists(IndexFile("Packages"));
249 }
250 /*}}}*/
251 // PackagesIndex::Size - Return the size of the index /*{{{*/
252 // ---------------------------------------------------------------------
253 /* This is really only used for progress reporting. */
254 unsigned long debPackagesIndex::Size() const
255 {
256 struct stat S;
257 if (stat(IndexFile("Packages").c_str(),&S) != 0)
258 return 0;
259 return S.st_size;
260 }
261 /*}}}*/
262 // PackagesIndex::Merge - Load the index file into a cache /*{{{*/
263 // ---------------------------------------------------------------------
264 /* */
265 bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
266 {
267 string PackageFile = IndexFile("Packages");
268 FileFd Pkg(PackageFile,FileFd::ReadOnly);
269 debListParser Parser(&Pkg, Architecture);
270 if (_error->PendingError() == true)
271 return _error->Error("Problem opening %s",PackageFile.c_str());
272
273 Prog.SubProgress(0,Info("Packages"));
274 ::URI Tmp(URI);
275 if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
276 return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
277
278 // Store the IMS information
279 pkgCache::PkgFileIterator File = Gen.GetCurFile();
280 struct stat St;
281 if (fstat(Pkg.Fd(),&St) != 0)
282 return _error->Errno("fstat","Failed to stat");
283 File->Size = St.st_size;
284 File->mtime = St.st_mtime;
285
286 if (Gen.MergeList(Parser) == false)
287 return _error->Error("Problem with MergeList %s",PackageFile.c_str());
288
289 // Check the release file
290 string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
291 if (FileExists(ReleaseFile) == true)
292 {
293 FileFd Rel(ReleaseFile,FileFd::ReadOnly);
294 if (_error->PendingError() == true)
295 return false;
296 Parser.LoadReleaseInfo(File,Rel,Section);
297 }
298
299 return true;
300 }
301 /*}}}*/
302 // PackagesIndex::FindInCache - Find this index /*{{{*/
303 // ---------------------------------------------------------------------
304 /* */
305 pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
306 {
307 string FileName = IndexFile("Packages");
308 pkgCache::PkgFileIterator File = Cache.FileBegin();
309 for (; File.end() == false; File++)
310 {
311 if (File.FileName() == NULL || FileName != File.FileName())
312 continue;
313
314 struct stat St;
315 if (stat(File.FileName(),&St) != 0)
316 {
317 if (_config->FindB("Debug::pkgCacheGen", false))
318 std::clog << "PackagesIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
319 return pkgCache::PkgFileIterator(Cache);
320 }
321 if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
322 {
323 if (_config->FindB("Debug::pkgCacheGen", false))
324 std::clog << "PackagesIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
325 << ") or mtime (" << St.st_mtime << " <> " << File->mtime
326 << ") doesn't match for " << File.FileName() << std::endl;
327 return pkgCache::PkgFileIterator(Cache);
328 }
329 return File;
330 }
331
332 return File;
333 }
334 /*}}}*/
335
336 // TranslationsIndex::debTranslationsIndex - Contructor /*{{{*/
337 // ---------------------------------------------------------------------
338 /* */
339 debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section,
340 char const * const Translation) :
341 pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section),
342 Language(Translation)
343 {}
344 /*}}}*/
345 // TranslationIndex::Trans* - Return the URI to the translation files /*{{{*/
346 // ---------------------------------------------------------------------
347 /* */
348 inline string debTranslationsIndex::IndexFile(const char *Type) const
349 {
350 return _config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
351 }
352 string debTranslationsIndex::IndexURI(const char *Type) const
353 {
354 string Res;
355 if (Dist[Dist.size() - 1] == '/')
356 {
357 if (Dist != "/")
358 Res = URI + Dist;
359 else
360 Res = URI;
361 }
362 else
363 Res = URI + "dists/" + Dist + '/' + Section +
364 "/i18n/Translation-";
365
366 Res += Type;
367 return Res;
368 }
369 /*}}}*/
370 // TranslationsIndex::GetIndexes - Fetch the index files /*{{{*/
371 // ---------------------------------------------------------------------
372 /* */
373 bool debTranslationsIndex::GetIndexes(pkgAcquire *Owner) const
374 {
375 if (TranslationsAvailable()) {
376 string const TranslationFile = string("Translation-").append(Language);
377 new pkgAcqIndexTrans(Owner, IndexURI(Language),
378 Info(TranslationFile.c_str()),
379 TranslationFile);
380 }
381
382 return true;
383 }
384 /*}}}*/
385 // TranslationsIndex::Describe - Give a descriptive path to the index /*{{{*/
386 // ---------------------------------------------------------------------
387 /* This should help the user find the index in the sources.list and
388 in the filesystem for problem solving */
389 string debTranslationsIndex::Describe(bool Short) const
390 {
391 char S[300];
392 if (Short == true)
393 snprintf(S,sizeof(S),"%s",Info(TranslationFile().c_str()).c_str());
394 else
395 snprintf(S,sizeof(S),"%s (%s)",Info(TranslationFile().c_str()).c_str(),
396 IndexFile(Language).c_str());
397 return S;
398 }
399 /*}}}*/
400 // TranslationsIndex::Info - One liner describing the index URI /*{{{*/
401 // ---------------------------------------------------------------------
402 /* */
403 string debTranslationsIndex::Info(const char *Type) const
404 {
405 string Info = ::URI::SiteOnly(URI) + ' ';
406 if (Dist[Dist.size() - 1] == '/')
407 {
408 if (Dist != "/")
409 Info += Dist;
410 }
411 else
412 Info += Dist + '/' + Section;
413 Info += " ";
414 Info += Type;
415 return Info;
416 }
417 /*}}}*/
418 bool debTranslationsIndex::HasPackages() const /*{{{*/
419 {
420 if(!TranslationsAvailable())
421 return false;
422
423 return FileExists(IndexFile(Language));
424 }
425 /*}}}*/
426 // TranslationsIndex::Exists - Check if the index is available /*{{{*/
427 // ---------------------------------------------------------------------
428 /* */
429 bool debTranslationsIndex::Exists() const
430 {
431 return FileExists(IndexFile(Language));
432 }
433 /*}}}*/
434 // TranslationsIndex::Size - Return the size of the index /*{{{*/
435 // ---------------------------------------------------------------------
436 /* This is really only used for progress reporting. */
437 unsigned long debTranslationsIndex::Size() const
438 {
439 struct stat S;
440 if (stat(IndexFile(Language).c_str(),&S) != 0)
441 return 0;
442 return S.st_size;
443 }
444 /*}}}*/
445 // TranslationsIndex::Merge - Load the index file into a cache /*{{{*/
446 // ---------------------------------------------------------------------
447 /* */
448 bool debTranslationsIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
449 {
450 // Check the translation file, if in use
451 string TranslationFile = IndexFile(Language);
452 if (TranslationsAvailable() && FileExists(TranslationFile))
453 {
454 FileFd Trans(TranslationFile,FileFd::ReadOnly);
455 debListParser TransParser(&Trans);
456 if (_error->PendingError() == true)
457 return false;
458
459 Prog.SubProgress(0, Info(TranslationFile.c_str()));
460 if (Gen.SelectFile(TranslationFile,string(),*this) == false)
461 return _error->Error("Problem with SelectFile %s",TranslationFile.c_str());
462
463 // Store the IMS information
464 pkgCache::PkgFileIterator TransFile = Gen.GetCurFile();
465 struct stat TransSt;
466 if (fstat(Trans.Fd(),&TransSt) != 0)
467 return _error->Errno("fstat","Failed to stat");
468 TransFile->Size = TransSt.st_size;
469 TransFile->mtime = TransSt.st_mtime;
470
471 if (Gen.MergeList(TransParser) == false)
472 return _error->Error("Problem with MergeList %s",TranslationFile.c_str());
473 }
474
475 return true;
476 }
477 /*}}}*/
478 // TranslationsIndex::FindInCache - Find this index /*{{{*/
479 // ---------------------------------------------------------------------
480 /* */
481 pkgCache::PkgFileIterator debTranslationsIndex::FindInCache(pkgCache &Cache) const
482 {
483 string FileName = IndexFile(Language);
484
485 pkgCache::PkgFileIterator File = Cache.FileBegin();
486 for (; File.end() == false; File++)
487 {
488 if (FileName != File.FileName())
489 continue;
490
491 struct stat St;
492 if (stat(File.FileName(),&St) != 0)
493 {
494 if (_config->FindB("Debug::pkgCacheGen", false))
495 std::clog << "TranslationIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
496 return pkgCache::PkgFileIterator(Cache);
497 }
498 if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
499 {
500 if (_config->FindB("Debug::pkgCacheGen", false))
501 std::clog << "TranslationIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
502 << ") or mtime (" << St.st_mtime << " <> " << File->mtime
503 << ") doesn't match for " << File.FileName() << std::endl;
504 return pkgCache::PkgFileIterator(Cache);
505 }
506 return File;
507 }
508 return File;
509 }
510 /*}}}*/
511 // StatusIndex::debStatusIndex - Constructor /*{{{*/
512 // ---------------------------------------------------------------------
513 /* */
514 debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File)
515 {
516 }
517 /*}}}*/
518 // StatusIndex::Size - Return the size of the index /*{{{*/
519 // ---------------------------------------------------------------------
520 /* */
521 unsigned long debStatusIndex::Size() const
522 {
523 struct stat S;
524 if (stat(File.c_str(),&S) != 0)
525 return 0;
526 return S.st_size;
527 }
528 /*}}}*/
529 // StatusIndex::Merge - Load the index file into a cache /*{{{*/
530 // ---------------------------------------------------------------------
531 /* */
532 bool debStatusIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
533 {
534 FileFd Pkg(File,FileFd::ReadOnly);
535 if (_error->PendingError() == true)
536 return false;
537 debListParser Parser(&Pkg);
538 if (_error->PendingError() == true)
539 return false;
540
541 Prog.SubProgress(0,File);
542 if (Gen.SelectFile(File,string(),*this,pkgCache::Flag::NotSource) == false)
543 return _error->Error("Problem with SelectFile %s",File.c_str());
544
545 // Store the IMS information
546 pkgCache::PkgFileIterator CFile = Gen.GetCurFile();
547 struct stat St;
548 if (fstat(Pkg.Fd(),&St) != 0)
549 return _error->Errno("fstat","Failed to stat");
550 CFile->Size = St.st_size;
551 CFile->mtime = St.st_mtime;
552 CFile->Archive = Gen.WriteUniqString("now");
553
554 if (Gen.MergeList(Parser) == false)
555 return _error->Error("Problem with MergeList %s",File.c_str());
556 return true;
557 }
558 /*}}}*/
559 // StatusIndex::FindInCache - Find this index /*{{{*/
560 // ---------------------------------------------------------------------
561 /* */
562 pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const
563 {
564 pkgCache::PkgFileIterator File = Cache.FileBegin();
565 for (; File.end() == false; File++)
566 {
567 if (this->File != File.FileName())
568 continue;
569
570 struct stat St;
571 if (stat(File.FileName(),&St) != 0)
572 {
573 if (_config->FindB("Debug::pkgCacheGen", false))
574 std::clog << "StatusIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
575 return pkgCache::PkgFileIterator(Cache);
576 }
577 if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
578 {
579 if (_config->FindB("Debug::pkgCacheGen", false))
580 std::clog << "StatusIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
581 << ") or mtime (" << St.st_mtime << " <> " << File->mtime
582 << ") doesn't match for " << File.FileName() << std::endl;
583 return pkgCache::PkgFileIterator(Cache);
584 }
585 return File;
586 }
587 return File;
588 }
589 /*}}}*/
590 // StatusIndex::Exists - Check if the index is available /*{{{*/
591 // ---------------------------------------------------------------------
592 /* */
593 bool debStatusIndex::Exists() const
594 {
595 // Abort if the file does not exist.
596 return true;
597 }
598 /*}}}*/
599
600 // Index File types for Debian /*{{{*/
601 class debIFTypeSrc : public pkgIndexFile::Type
602 {
603 public:
604
605 debIFTypeSrc() {Label = "Debian Source Index";};
606 };
607 class debIFTypePkg : public pkgIndexFile::Type
608 {
609 public:
610
611 virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
612 {
613 return new debRecordParser(File.FileName(),*File.Cache());
614 };
615 debIFTypePkg() {Label = "Debian Package Index";};
616 };
617 class debIFTypeTrans : public debIFTypePkg
618 {
619 public:
620 debIFTypeTrans() {Label = "Debian Translation Index";};
621 };
622 class debIFTypeStatus : public pkgIndexFile::Type
623 {
624 public:
625
626 virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
627 {
628 return new debRecordParser(File.FileName(),*File.Cache());
629 };
630 debIFTypeStatus() {Label = "Debian dpkg status file";};
631 };
632 static debIFTypeSrc _apt_Src;
633 static debIFTypePkg _apt_Pkg;
634 static debIFTypeTrans _apt_Trans;
635 static debIFTypeStatus _apt_Status;
636
637 const pkgIndexFile::Type *debSourcesIndex::GetType() const
638 {
639 return &_apt_Src;
640 }
641 const pkgIndexFile::Type *debPackagesIndex::GetType() const
642 {
643 return &_apt_Pkg;
644 }
645 const pkgIndexFile::Type *debTranslationsIndex::GetType() const
646 {
647 return &_apt_Trans;
648 }
649 const pkgIndexFile::Type *debStatusIndex::GetType() const
650 {
651 return &_apt_Status;
652 }
653
654 /*}}}*/