X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/4f51fd8636592a96aecf17c8bf4cfdb3ea2207cc..1eb1836f4b5397497bd34f0cf516e6e4e73117bf:/apt-pkg/acquire-item.cc diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index a3f47242f..5460280ec 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -119,6 +120,16 @@ static bool AllowInsecureRepositories(indexRecords const * const MetaIndexParser return false; } /*}}}*/ +static HashStringList GetExpectedHashesFromFor(indexRecords * const Parser, std::string const MetaKey)/*{{{*/ +{ + if (Parser == NULL) + return HashStringList(); + indexRecords::checkSum * const R = Parser->Lookup(MetaKey); + if (R == NULL) + return HashStringList(); + return R->Hashes; +} + /*}}}*/ // all ::HashesRequired and ::GetExpectedHashes implementations /*{{{*/ /* ::GetExpectedHashes is abstract and has to be implemented by all subclasses. @@ -181,7 +192,7 @@ HashStringList pkgAcqIndexMergeDiffs::GetExpectedHashes() const if (State == StateFetchDiff) return patch.download_hashes; else if (State == StateApplyDiff) - return GetExpectedHashesFor(Target->MetaKey); + return GetExpectedHashesFor(Target.MetaKey); return HashStringList(); } @@ -256,20 +267,20 @@ std::string pkgAcqDiffIndex::GetFinalFilename() const } std::string pkgAcqIndex::GetFinalFilename() const { - std::string const FinalFile = GetFinalFileNameFromURI(Target->URI); - return GetCompressedFileName(Target->URI, FinalFile, CurrentCompressionExtension); + std::string const FinalFile = GetFinalFileNameFromURI(Target.URI); + return GetCompressedFileName(Target.URI, FinalFile, CurrentCompressionExtension); } std::string pkgAcqMetaSig::GetFinalFilename() const { - return GetFinalFileNameFromURI(Target->URI); + return GetFinalFileNameFromURI(Target.URI); } std::string pkgAcqBaseIndex::GetFinalFilename() const { - return GetFinalFileNameFromURI(Target->URI); + return GetFinalFileNameFromURI(Target.URI); } std::string pkgAcqMetaBase::GetFinalFilename() const { - return GetFinalFileNameFromURI(DataTarget.URI); + return GetFinalFileNameFromURI(Target.URI); } std::string pkgAcqArchive::GetFinalFilename() const { @@ -279,17 +290,17 @@ std::string pkgAcqArchive::GetFinalFilename() const // pkgAcqTransactionItem::GetMetaKey and specialisations for child classes /*{{{*/ std::string pkgAcqTransactionItem::GetMetaKey() const { - return Target->MetaKey; + return Target.MetaKey; } std::string pkgAcqIndex::GetMetaKey() const { if (Stage == STAGE_DECOMPRESS_AND_VERIFY || CurrentCompressionExtension == "uncompressed") - return Target->MetaKey; - return Target->MetaKey + "." + CurrentCompressionExtension; + return Target.MetaKey; + return Target.MetaKey + "." + CurrentCompressionExtension; } std::string pkgAcqDiffIndex::GetMetaKey() const { - return Target->MetaKey + ".diff/Index"; + return Target.MetaKey + ".diff/Index"; } /*}}}*/ //pkgAcqTransactionItem::TransactionState and specialisations for child classes /*{{{*/ @@ -363,7 +374,7 @@ bool pkgAcqDiffIndex::TransactionState(TransactionStates const state) case TransactionCommit: break; case TransactionAbort: - std::string const Partial = GetPartialFileNameFromURI(Target->URI); + std::string const Partial = GetPartialFileNameFromURI(Target.URI); unlink(Partial.c_str()); break; } @@ -372,10 +383,29 @@ bool pkgAcqDiffIndex::TransactionState(TransactionStates const state) } /*}}}*/ +class APT_HIDDEN NoActionItem : public pkgAcquire::Item /*{{{*/ +/* The sole purpose of this class is having an item which does nothing to + reach its done state to prevent cleanup deleting the mentioned file. + Handy in cases in which we know we have the file already, like IMS-Hits. */ +{ + IndexTarget const Target; + public: + virtual std::string DescURI() const {return Target.URI;}; + virtual HashStringList GetExpectedHashes() const {return HashStringList();}; + + NoActionItem(pkgAcquire * const Owner, IndexTarget const Target) : + pkgAcquire::Item(Owner), Target(Target) + { + Status = StatDone; + DestFile = GetFinalFileNameFromURI(Target.URI); + } +}; + /*}}}*/ + // Acquire::Item::Item - Constructor /*{{{*/ APT_IGNORE_DEPRECATED_PUSH pkgAcquire::Item::Item(pkgAcquire * const Owner) : - FileSize(0), PartialSize(0), Mode(0), Complete(false), Local(false), + FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), Local(false), QueueCounter(0), ExpectedAdditionalItems(0), Owner(Owner) { Owner->Add(this); @@ -408,6 +438,11 @@ APT_PURE pkgAcquire * pkgAcquire::Item::GetOwner() const /*{{{*/ return Owner; } /*}}}*/ +pkgAcquire::ItemDesc &pkgAcquire::Item::GetItemDesc() /*{{{*/ +{ + return Desc; +} + /*}}}*/ APT_CONST bool pkgAcquire::Item::IsTrusted() const /*{{{*/ { return false; @@ -484,19 +519,14 @@ void pkgAcquire::Item::Done(string const &Message, HashStringList const &Hashes, pkgAcquire::MethodConfig const * const /*Cnf*/) { // We just downloaded something.. - string FileName = LookupTag(Message,"Filename"); UsedMirror = LookupTag(Message,"UsedMirror"); - unsigned long long const downloadedSize = Hashes.FileSize(); - if (downloadedSize != 0) + if (FileSize == 0) { - if (Complete == false && !Local && FileName == DestFile) + unsigned long long const downloadedSize = Hashes.FileSize(); + if (downloadedSize != 0) { - if (Owner->Log != 0) - Owner->Log->Fetched(Hashes.FileSize(),atoi(LookupTag(Message,"Resume-Point","0").c_str())); + FileSize = downloadedSize; } - - if (FileSize == 0) - FileSize= downloadedSize; } Status = StatDone; ErrorText = string(); @@ -631,7 +661,7 @@ std::string pkgAcquire::Item::HashSum() const /*{{{*/ /*}}}*/ pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/ - pkgAcqMetaBase * const TransactionManager, IndexTarget const * const Target) : + pkgAcqMetaBase * const TransactionManager, IndexTarget const Target) : pkgAcquire::Item(Owner), Target(Target), TransactionManager(TransactionManager) { if (TransactionManager != this) @@ -644,22 +674,17 @@ pkgAcqTransactionItem::~pkgAcqTransactionItem() /*{{{*/ /*}}}*/ HashStringList pkgAcqTransactionItem::GetExpectedHashesFor(std::string const MetaKey) const /*{{{*/ { - if (TransactionManager->MetaIndexParser == NULL) - return HashStringList(); - indexRecords::checkSum * const R = TransactionManager->MetaIndexParser->Lookup(MetaKey); - if (R == NULL) - return HashStringList(); - return R->Hashes; + return GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, MetaKey); } /*}}}*/ // AcqMetaBase - Constructor /*{{{*/ pkgAcqMetaBase::pkgAcqMetaBase(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - std::vector const * const IndexTargets, + std::vector const IndexTargets, IndexTarget const &DataTarget, indexRecords * const MetaIndexParser) -: pkgAcqTransactionItem(Owner, TransactionManager, NULL), DataTarget(DataTarget), +: pkgAcqTransactionItem(Owner, TransactionManager, DataTarget), MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL), IndexTargets(IndexTargets), AuthPass(false), IMSHit(false) { @@ -815,7 +840,7 @@ bool pkgAcqMetaBase::CheckDownloadDone(pkgAcqTransactionItem * const I, const st return false; } - if (FileName != I->DestFile) + if (FileName != I->DestFile && RealFileExists(I->DestFile) == false) { I->Local = true; I->Desc.URI = "copy:" + FileName; @@ -920,29 +945,57 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/ // at this point the real Items are loaded in the fetcher ExpectedAdditionalItems = 0; - vector ::const_iterator Target; - for (Target = IndexTargets->begin(); - Target != IndexTargets->end(); + for (std::vector ::const_iterator Target = IndexTargets.begin(); + Target != IndexTargets.end(); ++Target) { - if (verify == true && TransactionManager->MetaIndexParser->Exists((*Target)->MetaKey) == false) + bool trypdiff = _config->FindB("Acquire::PDiffs", true); + if (verify == true) { - // optional target that we do not have in the Release file are skipped - if ((*Target)->IsOptional()) - continue; + if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false) + { + // optional targets that we do not have in the Release file are skipped + if (Target->IsOptional) + continue; - Status = StatAuthError; - strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str()); - return; + Status = StatAuthError; + strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), Target->MetaKey.c_str()); + return; + } + + if (RealFileExists(GetFinalFileNameFromURI(Target->URI))) + { + if (TransactionManager->LastMetaIndexParser != NULL) + { + HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey); + HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey); + if (newFile == oldFile) + { + // we have the file already, no point in trying to acquire it again + new NoActionItem(Owner, *Target); + continue; + } + } + } + else + trypdiff = false; // no file to patch + + // check if we have patches available + trypdiff &= TransactionManager->MetaIndexParser->Exists(Target->MetaKey + ".diff/Index"); + } + // if we have no file to patch, no point in trying + trypdiff &= RealFileExists(GetFinalFileNameFromURI(Target->URI)); + + // no point in patching from local sources + if (trypdiff) + { + std::string const proto = Target->URI.substr(0, strlen("file:/")); + if (proto == "file:/" || proto == "copy:/" || proto == "cdrom:") + trypdiff = false; } - /* Queue the Index file (Packages, Sources, Translation-$foo - (either diff or full packages files, depending - on the users option) - we also check if the PDiff Index file is listed - in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this - instead, but passing the required info to it is to much hassle */ - if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false || - TransactionManager->MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true)) + // Queue the Index file (Packages, Sources, Translation-$foo, …) + if (trypdiff) new pkgAcqDiffIndex(Owner, TransactionManager, *Target); else new pkgAcqIndex(Owner, TransactionManager, *Target); @@ -998,7 +1051,7 @@ bool pkgAcqMetaBase::VerifyVendor(string const &Message) /*{{{*/ // the download progress display (e.g. 7d 3h 42min 1s) _("Release file for %s is expired (invalid since %s). " "Updates for this repository will not be applied."), - DataTarget.URI.c_str(), TimeToStr(invalid_since).c_str()); + Target.URI.c_str(), TimeToStr(invalid_since).c_str()); if (ErrorText.empty()) ErrorText = errmsg; return _error->Error("%s", errmsg.c_str()); @@ -1049,14 +1102,14 @@ bool pkgAcqMetaBase::VerifyVendor(string const &Message) /*{{{*/ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner, /*{{{*/ IndexTarget const &ClearsignedTarget, IndexTarget const &DetachedDataTarget, IndexTarget const &DetachedSigTarget, - const vector* const IndexTargets, + std::vector const IndexTargets, indexRecords * const MetaIndexParser) : pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets, MetaIndexParser), ClearsignedTarget(ClearsignedTarget), DetachedDataTarget(DetachedDataTarget), DetachedSigTarget(DetachedSigTarget) { // index targets + (worst case:) Release/Release.gpg - ExpectedAdditionalItems = IndexTargets->size() + 2; + ExpectedAdditionalItems = IndexTargets.size() + 2; TransactionManager->Add(this); } /*}}}*/ @@ -1073,20 +1126,6 @@ string pkgAcqMetaClearSig::Custom600Headers() const } /*}}}*/ // pkgAcqMetaClearSig::Done - We got a file /*{{{*/ -class APT_HIDDEN DummyItem : public pkgAcquire::Item -{ - IndexTarget const * const Target; - public: - virtual std::string DescURI() const {return Target->URI;}; - virtual HashStringList GetExpectedHashes() const {return HashStringList();}; - - DummyItem(pkgAcquire * const Owner, IndexTarget const * const Target) : - pkgAcquire::Item(Owner), Target(Target) - { - Status = StatDone; - DestFile = GetFinalFileNameFromURI(Target->URI); - } -}; void pkgAcqMetaClearSig::Done(std::string const &Message, HashStringList const &Hashes, pkgAcquire::MethodConfig const * const Cnf) @@ -1119,8 +1158,8 @@ void pkgAcqMetaClearSig::Done(std::string const &Message, // We got an InRelease file IMSHit, but we haven't one, which means // we had a valid Release/Release.gpg combo stepping in, which we have // to 'acquire' now to ensure list cleanup isn't removing them - new DummyItem(Owner, &DetachedDataTarget); - new DummyItem(Owner, &DetachedSigTarget); + new NoActionItem(Owner, DetachedDataTarget); + new NoActionItem(Owner, DetachedSigTarget); } } } @@ -1203,7 +1242,7 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner, /*{{{*/ pkgAcqMetaBase * const TransactionManager, IndexTarget const &DataTarget, IndexTarget const &DetachedSigTarget, - vector const * const IndexTargets, + vector const IndexTargets, indexRecords * const MetaIndexParser) : pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget, MetaIndexParser), DetachedSigTarget(DetachedSigTarget) @@ -1221,7 +1260,7 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner, /*{{{*/ Desc.URI = DataTarget.URI; // we expect more item - ExpectedAdditionalItems = IndexTargets->size(); + ExpectedAdditionalItems = IndexTargets.size(); QueueURI(Desc); } /*}}}*/ @@ -1236,7 +1275,7 @@ void pkgAcqMetaIndex::Done(string const &Message, /*{{{*/ // we have a Release file, now download the Signature, all further // verify/queue for additional downloads will be done in the // pkgAcqMetaSig::Done() code - new pkgAcqMetaSig(Owner, TransactionManager, &DetachedSigTarget, this); + new pkgAcqMetaSig(Owner, TransactionManager, DetachedSigTarget, this); } } /*}}}*/ @@ -1249,7 +1288,7 @@ void pkgAcqMetaIndex::Failed(string const &Message, _error->Warning(_("The repository '%s' does not have a Release file. " "This is deprecated, please contact the owner of the " - "repository."), DataTarget.Description.c_str()); + "repository."), Target.Description.c_str()); // No Release file was present so fall // back to queueing Packages files without verification @@ -1277,18 +1316,18 @@ void pkgAcqMetaIndex::Finished() /*{{{*/ /*}}}*/ std::string pkgAcqMetaIndex::DescURI() const /*{{{*/ { - return DataTarget.URI; + return Target.URI; } /*}}}*/ // AcqMetaSig::AcqMetaSig - Constructor /*{{{*/ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - IndexTarget const * const Target, + IndexTarget const Target, pkgAcqMetaIndex * const MetaIndex) : pkgAcqTransactionItem(Owner, TransactionManager, Target), MetaIndex(MetaIndex) { - DestFile = GetPartialFileNameFromURI(Target->URI); + DestFile = GetPartialFileNameFromURI(Target.URI); // remove any partial downloaded sig-file in partial/. // it may confuse proxies and is too small to warrant a @@ -1301,10 +1340,10 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire * const Owner, << TransactionManager << std::endl; // Create the item - Desc.Description = Target->Description; + Desc.Description = Target.Description; Desc.Owner = this; - Desc.ShortDesc = Target->ShortDesc; - Desc.URI = Target->URI; + Desc.ShortDesc = Target.ShortDesc; + Desc.URI = Target.URI; // If we got a hit for Release, we will get one for Release.gpg too (or obscure errors), // so we skip the download step and go instantly to verification @@ -1372,7 +1411,7 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const { std::string downgrade_msg; strprintf(downgrade_msg, _("The repository '%s' is no longer signed."), - MetaIndex->DataTarget.Description.c_str()); + MetaIndex->Target.Description.c_str()); if(_config->FindB("Acquire::AllowDowngradeToInsecureRepositories")) { // meh, the users wants to take risks (we still mark the packages @@ -1394,7 +1433,7 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const else _error->Warning(_("The data from '%s' is not signed. Packages " "from that repository can not be authenticated."), - MetaIndex->DataTarget.Description.c_str()); + MetaIndex->Target.Description.c_str()); // ensures that a Release.gpg file in the lists/ is removed by the transaction TransactionManager->TransactionStageRemoval(this, DestFile); @@ -1447,7 +1486,7 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const // AcqBaseIndex - Constructor /*{{{*/ pkgAcqBaseIndex::pkgAcqBaseIndex(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - IndexTarget const * const Target) + IndexTarget const Target) : pkgAcqTransactionItem(Owner, TransactionManager, Target) { } @@ -1462,41 +1501,22 @@ pkgAcqBaseIndex::pkgAcqBaseIndex(pkgAcquire * const Owner, */ pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - IndexTarget const * const Target) + IndexTarget const Target) : pkgAcqBaseIndex(Owner, TransactionManager, Target) { Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); Desc.Owner = this; - Desc.Description = Target->Description + ".diff/Index"; - Desc.ShortDesc = Target->ShortDesc; - Desc.URI = Target->URI + ".diff/Index"; + Desc.Description = Target.Description + ".diff/Index"; + Desc.ShortDesc = Target.ShortDesc; + Desc.URI = Target.URI + ".diff/Index"; DestFile = GetPartialFileNameFromURI(Desc.URI); if(Debug) std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl; - // look for the current package file - CurrentPackagesFile = GetFinalFileNameFromURI(Target->URI); - - // FIXME: this file:/ check is a hack to prevent fetching - // from local sources. this is really silly, and - // should be fixed cleanly as soon as possible - if(!FileExists(CurrentPackagesFile) || - Desc.URI.substr(0,strlen("file:/")) == "file:/") - { - // we don't have a pkg file or we don't want to queue - Failed("No index file, local or canceld by user", NULL); - return; - } - - if(Debug) - std::clog << "pkgAcqDiffIndex::pkgAcqDiffIndex(): " - << CurrentPackagesFile << std::endl; - QueueURI(Desc); - } /*}}}*/ // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ @@ -1570,7 +1590,8 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ return false; } - HashStringList const TargetFileHashes = GetExpectedHashesFor(Target->MetaKey); + std::string const CurrentPackagesFile = GetFinalFileNameFromURI(Target.URI); + HashStringList const TargetFileHashes = GetExpectedHashesFor(Target.MetaKey); if (TargetFileHashes.usable() == false || ServerHashes != TargetFileHashes) { if (Debug == true) @@ -1581,7 +1602,19 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ return false; } - if (ServerHashes.VerifyFile(CurrentPackagesFile) == true) + HashStringList LocalHashes; + // try avoiding calculating the hash here as this is costly + if (TransactionManager->LastMetaIndexParser != NULL) + LocalHashes = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey); + if (LocalHashes.usable() == false) + { + FileFd fd(CurrentPackagesFile, FileFd::ReadOnly); + Hashes LocalHashesCalc(ServerHashes); + LocalHashesCalc.AddFD(fd); + LocalHashes = LocalHashesCalc.GetHashStringList(); + } + + if (ServerHashes == LocalHashes) { // we have the same sha1 as the server so we are done here if(Debug) @@ -1590,14 +1623,9 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ return true; } - FileFd fd(CurrentPackagesFile, FileFd::ReadOnly); - Hashes LocalHashesCalc; - LocalHashesCalc.AddFD(fd); - HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList(); - if(Debug) std::clog << "Server-Current: " << ServerHashes.find(NULL)->toStr() << " and we start at " - << fd.Name() << " " << fd.FileSize() << " " << LocalHashes.find(NULL)->toStr() << std::endl; + << CurrentPackagesFile << " " << LocalHashes.FileSize() << " " << LocalHashes.find(NULL)->toStr() << std::endl; // parse all of (provided) history vector available_patches; @@ -1873,29 +1901,29 @@ void pkgAcqDiffIndex::Done(string const &Message,HashStringList const &Hashes, / */ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - IndexTarget const * const Target, + IndexTarget const Target, vector const &diffs) : pkgAcqBaseIndex(Owner, TransactionManager, Target), available_patches(diffs) { - DestFile = GetPartialFileNameFromURI(Target->URI); + DestFile = GetPartialFileNameFromURI(Target.URI); Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); Desc.Owner = this; - Description = Target->Description; - Desc.ShortDesc = Target->ShortDesc; + Description = Target.Description; + Desc.ShortDesc = Target.ShortDesc; if(available_patches.empty() == true) { // we are done (yeah!), check hashes against the final file - DestFile = GetFinalFileNameFromURI(Target->URI); + DestFile = GetFinalFileNameFromURI(Target.URI); Finish(true); } else { // patching needs to be bootstrapped with the 'old' version - std::string const PartialFile = GetPartialFileNameFromURI(Target->URI); + std::string const PartialFile = GetPartialFileNameFromURI(Target.URI); if (RealFileExists(PartialFile) == false) { if (symlink(GetFinalFilename().c_str(), PartialFile.c_str()) != 0) @@ -1919,7 +1947,7 @@ void pkgAcqIndexDiffs::Failed(string const &Message,pkgAcquire::MethodConfig con if(Debug) std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl << "Falling back to normal index file acquire" << std::endl; - DestFile = GetPartialFileNameFromURI(Target->URI); + DestFile = GetPartialFileNameFromURI(Target.URI); RenameOnError(PDiffError); std::string const patchname = GetDiffsPatchFileName(DestFile); if (RealFileExists(patchname)) @@ -1962,7 +1990,7 @@ void pkgAcqIndexDiffs::Finish(bool allDone) bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ { // calc sha1 of the just patched file - std::string const FinalFile = GetPartialFileNameFromURI(Target->URI); + std::string const FinalFile = GetPartialFileNameFromURI(Target.URI); if(!FileExists(FinalFile)) { @@ -1978,7 +2006,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ if(Debug) std::clog << "QueueNextDiff: " << FinalFile << " (" << LocalHashes.find(NULL)->toStr() << ")" << std::endl; - HashStringList const TargetFileHashes = GetExpectedHashesFor(Target->MetaKey); + HashStringList const TargetFileHashes = GetExpectedHashesFor(Target.MetaKey); if (unlikely(LocalHashes.usable() == false || TargetFileHashes.usable() == false)) { Failed("Local/Expected hashes are not usable", NULL); @@ -2012,9 +2040,9 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ } // queue the right diff - Desc.URI = Target->URI + ".diff/" + available_patches[0].file + ".gz"; + Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz"; Desc.Description = Description + " " + available_patches[0].file + string(".pdiff"); - DestFile = GetPartialFileNameFromURI(Target->URI + ".diff/" + available_patches[0].file); + DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file); if(Debug) std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl; @@ -2032,7 +2060,7 @@ void pkgAcqIndexDiffs::Done(string const &Message, HashStringList const &Hashes, Item::Done(Message, Hashes, Cnf); - std::string const FinalFile = GetPartialFileNameFromURI(Target->URI); + std::string const FinalFile = GetPartialFileNameFromURI(Target.URI); std::string const PatchFile = GetDiffsPatchFileName(FinalFile); // success in downloading a diff, enter ApplyDiff state @@ -2095,7 +2123,7 @@ std::string pkgAcqIndexDiffs::Custom600Headers() const /*{{{*/ // AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor /*{{{*/ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - IndexTarget const * const Target, + IndexTarget const Target, DiffInfo const &patch, std::vector const * const allPatches) : pkgAcqBaseIndex(Owner, TransactionManager, Target), @@ -2104,13 +2132,13 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner, Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); Desc.Owner = this; - Description = Target->Description; - Desc.ShortDesc = Target->ShortDesc; + Description = Target.Description; + Desc.ShortDesc = Target.ShortDesc; - Desc.URI = Target->URI + ".diff/" + patch.file + ".gz"; + Desc.URI = Target.URI + ".diff/" + patch.file + ".gz"; Desc.Description = Description + " " + patch.file + string(".pdiff"); - DestFile = GetPartialFileNameFromURI(Target->URI + ".diff/" + patch.file); + DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file); if(Debug) std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl; @@ -2137,7 +2165,7 @@ void pkgAcqIndexMergeDiffs::Failed(string const &Message,pkgAcquire::MethodConfi State = StateErrorDiff; if (Debug) std::clog << "Falling back to normal index file acquire" << std::endl; - DestFile = GetPartialFileNameFromURI(Target->URI); + DestFile = GetPartialFileNameFromURI(Target.URI); RenameOnError(PDiffError); std::string const patchname = GetMergeDiffsPatchFileName(DestFile, patch.file); if (RealFileExists(patchname)) @@ -2153,7 +2181,7 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha Item::Done(Message, Hashes, Cnf); - string const FinalFile = GetPartialFileNameFromURI(Target->URI); + string const FinalFile = GetPartialFileNameFromURI(Target.URI); if (State == StateFetchDiff) { Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file)); @@ -2204,7 +2232,7 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha for (std::vector::const_iterator I = allPatches->begin(); I != allPatches->end(); ++I) { - std::string const PartialFile = GetPartialFileNameFromURI(Target->URI); + std::string const PartialFile = GetPartialFileNameFromURI(Target.URI); std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file); unlink(patch.c_str()); } @@ -2239,12 +2267,12 @@ std::string pkgAcqIndexMergeDiffs::Custom600Headers() const /*{{{*/ // AcqIndex::AcqIndex - Constructor /*{{{*/ pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner, pkgAcqMetaBase * const TransactionManager, - IndexTarget const * const Target) + IndexTarget const Target) : pkgAcqBaseIndex(Owner, TransactionManager, Target) { // autoselect the compression method AutoSelectCompression(); - Init(Target->URI, Target->Description, Target->ShortDesc); + Init(Target.URI, Target.Description, Target.ShortDesc); if(_config->FindB("Debug::Acquire::Transaction", false) == true) std::clog << "New pkgIndex with TransactionManager " @@ -2256,12 +2284,12 @@ void pkgAcqIndex::AutoSelectCompression() { std::vector types = APT::Configuration::getCompressionTypes(); CompressionExtensions = ""; - if (TransactionManager->MetaIndexParser != NULL && TransactionManager->MetaIndexParser->Exists(Target->MetaKey)) + if (TransactionManager->MetaIndexParser != NULL && TransactionManager->MetaIndexParser->Exists(Target.MetaKey)) { for (std::vector::const_iterator t = types.begin(); t != types.end(); ++t) { - std::string CompressedMetaKey = string(Target->MetaKey).append(".").append(*t); + std::string CompressedMetaKey = string(Target.MetaKey).append(".").append(*t); if (*t == "uncompressed" || TransactionManager->MetaIndexParser->Exists(CompressedMetaKey) == true) CompressionExtensions.append(*t).append(" "); @@ -2360,7 +2388,7 @@ string pkgAcqIndex::Custom600Headers() const if (stat(Final.c_str(),&Buf) == 0) msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); - if(Target->IsOptional()) + if(Target.IsOptional) msg += "\nFail-Ignore: true"; return msg; @@ -2376,13 +2404,13 @@ void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * { if (CompressionExtensions.empty() == false) { - Init(Target->URI, Desc.Description, Desc.ShortDesc); + Init(Target.URI, Desc.Description, Desc.ShortDesc); Status = StatIdle; return; } } - if(Target->IsOptional() && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD) + if(Target.IsOptional && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD) Status = StatDone; else TransactionManager->AbortTransaction(); @@ -2393,7 +2421,7 @@ void pkgAcqIndex::ReverifyAfterIMS() { // update destfile to *not* include the compression extension when doing // a reverify (as its uncompressed on disk already) - DestFile = GetCompressedFileName(Target->URI, GetPartialFileNameFromURI(Target->URI), CurrentCompressionExtension); + DestFile = GetCompressedFileName(Target.URI, GetPartialFileNameFromURI(Target.URI), CurrentCompressionExtension); // copy FinalFile into partial/ so that we check the hash again string FinalFile = GetFinalFilename(); @@ -2402,33 +2430,6 @@ void pkgAcqIndex::ReverifyAfterIMS() QueueURI(Desc); } /*}}}*/ -// AcqIndex::ValidateFile - Validate the content of the downloaded file /*{{{*/ -bool pkgAcqIndex::ValidateFile(const std::string &FileName) -{ - // FIXME: this can go away once we only ever download stuff that - // has a valid hash and we never do GET based probing - // FIXME2: this also leaks debian-isms into the code and should go therefore - - /* Always validate the index file for correctness (all indexes must - * have a Package field) (LP: #346386) (Closes: #627642) - */ - FileFd fd(FileName, FileFd::ReadOnly, FileFd::Extension); - // Only test for correctness if the content of the file is not empty - // (empty is ok) - if (fd.Size() > 0) - { - pkgTagSection sec; - pkgTagFile tag(&fd); - - // all our current indexes have a field 'Package' in each section - if (_error->PendingError() == true || - tag.Step(sec) == false || - sec.Exists("Package") == false) - return false; - } - return true; -} - /*}}}*/ // AcqIndex::Done - Finished a fetch /*{{{*/ // --------------------------------------------------------------------- /* This goes through a number of states.. On the initial fetch the @@ -2481,7 +2482,7 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const // Methods like e.g. "file:" will give us a (compressed) FileName that is // not the "DestFile" we set, in this case we uncompress from the local file - if (FileName != DestFile) + if (FileName != DestFile && RealFileExists(DestFile) == false) Local = true; else EraseFileName = FileName; @@ -2499,7 +2500,7 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const // If we have compressed indexes enabled, queue for hash verification if (_config->FindB("Acquire::GzipIndexes",false)) { - DestFile = GetPartialFileNameFromURI(Target->URI + '.' + CurrentCompressionExtension); + DestFile = GetPartialFileNameFromURI(Target.URI + '.' + CurrentCompressionExtension); EraseFileName = ""; Stage = STAGE_DECOMPRESS_AND_VERIFY; Desc.URI = "copy:" + FileName; @@ -2529,20 +2530,12 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const } /*}}}*/ // AcqIndex::StageDecompressDone - Final verification /*{{{*/ -void pkgAcqIndex::StageDecompressDone(string const &Message, +void pkgAcqIndex::StageDecompressDone(string const &, HashStringList const &, - pkgAcquire::MethodConfig const * const Cfg) + pkgAcquire::MethodConfig const * const) { - if(!ValidateFile(DestFile)) - { - RenameOnError(InvalidFormat); - Failed(Message, Cfg); - return; - } - // Done, queue for rename on transaction finished TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename()); - return; } /*}}}*/ @@ -2576,7 +2569,7 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire * const Owner,pkgSourceList * const Sour // Skip not source sources, they do not have file fields. for (; Vf.end() == false; ++Vf) { - if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) + if (Vf.File().Flagged(pkgCache::Flag::NotSource)) continue; break; } @@ -2644,14 +2637,14 @@ bool pkgAcqArchive::QueueNext() { pkgCache::PkgFileIterator const PkgF = Vf.File(); // Ignore not source sources - if ((PkgF->Flags & pkgCache::Flag::NotSource) != 0) + if (PkgF.Flagged(pkgCache::Flag::NotSource)) continue; // Try to cross match against the source list pkgIndexFile *Index; if (Sources->FindIndex(PkgF, Index) == false) continue; - LocalSource = (PkgF->Flags & pkgCache::Flag::LocalSource) == pkgCache::Flag::LocalSource; + LocalSource = PkgF.Flagged(pkgCache::Flag::LocalSource); // only try to get a trusted package from another source if that source // is also trusted @@ -2767,7 +2760,7 @@ void pkgAcqArchive::Done(string const &Message, HashStringList const &Hashes, } // Reference filename - if (FileName != DestFile) + if (DestFile != FileName && RealFileExists(DestFile) == false) { StoreFilename = DestFile = FileName; Local = true; @@ -2844,6 +2837,204 @@ std::string pkgAcqArchive::ShortDesc() const /*{{{*/ } /*}}}*/ +// AcqChangelog::pkgAcqChangelog - Constructors /*{{{*/ +pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::VerIterator const &Ver, + std::string const &DestDir, std::string const &DestFilename) : + pkgAcquire::Item(Owner), d(NULL), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr()) +{ + Desc.URI = URI(Ver); + Init(DestDir, DestFilename); +} +// some parameters are char* here as they come likely from char* interfaces – which can also return NULL +pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::RlsFileIterator const &RlsFile, + char const * const Component, char const * const SrcName, char const * const SrcVersion, + const string &DestDir, const string &DestFilename) : + pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion) +{ + Desc.URI = URI(RlsFile, Component, SrcName, SrcVersion); + Init(DestDir, DestFilename); +} +pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, + std::string const &URI, char const * const SrcName, char const * const SrcVersion, + const string &DestDir, const string &DestFilename) : + pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion) +{ + Desc.URI = URI; + Init(DestDir, DestFilename); +} +void pkgAcqChangelog::Init(std::string const &DestDir, std::string const &DestFilename) +{ + if (Desc.URI.empty()) + { + Status = StatError; + // TRANSLATOR: %s=%s is sourcename=sourceversion, e.g. apt=1.1 + strprintf(ErrorText, _("Changelog unavailable for %s=%s"), SrcName.c_str(), SrcVersion.c_str()); + // Let the error message print something sensible rather than "Failed to fetch /" + if (DestFilename.empty()) + DestFile = SrcName + ".changelog"; + else + DestFile = DestFilename; + Desc.URI = "changelog:/" + DestFile; + return; + } + + if (DestDir.empty()) + { + std::string const systemTemp = GetTempDir(); + char tmpname[100]; + snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str()); + if (NULL == mkdtemp(tmpname)) + { + _error->Errno("mkdtemp", "mkdtemp failed in changelog acquire of %s %s", SrcName.c_str(), SrcVersion.c_str()); + Status = StatError; + return; + } + DestFile = TemporaryDirectory = tmpname; + } + else + DestFile = DestDir; + + if (DestFilename.empty()) + DestFile = flCombine(DestFile, SrcName + ".changelog"); + else + DestFile = flCombine(DestFile, DestFilename); + + Desc.ShortDesc = "Changelog"; + strprintf(Desc.Description, "%s %s %s Changelog", URI::SiteOnly(Desc.URI).c_str(), SrcName.c_str(), SrcVersion.c_str()); + Desc.Owner = this; + QueueURI(Desc); +} + /*}}}*/ +std::string pkgAcqChangelog::URI(pkgCache::VerIterator const &Ver) /*{{{*/ +{ + char const * const SrcName = Ver.SourcePkgName(); + char const * const SrcVersion = Ver.SourceVerStr(); + pkgCache::PkgFileIterator PkgFile; + // find the first source for this version which promises a changelog + for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF) + { + pkgCache::PkgFileIterator const PF = VF.File(); + if (PF.Flagged(pkgCache::Flag::NotSource) || PF->Release == 0) + continue; + PkgFile = PF; + pkgCache::RlsFileIterator const RF = PF.ReleaseFile(); + std::string const uri = URI(RF, PF.Component(), SrcName, SrcVersion); + if (uri.empty()) + continue; + return uri; + } + return ""; +} +std::string pkgAcqChangelog::URITemplate(pkgCache::RlsFileIterator const &Rls) +{ + if (Rls.end() == true || (Rls->Label == 0 && Rls->Origin == 0)) + return ""; + std::string const serverConfig = "Acquire::Changelogs::URI"; + std::string server; +#define APT_EMPTY_SERVER \ + if (server.empty() == false) \ + { \ + if (server != "no") \ + return server; \ + return ""; \ + } +#define APT_CHECK_SERVER(X, Y) \ + if (Rls->X != 0) \ + { \ + std::string const specialServerConfig = serverConfig + "::" + Y + #X + "::" + Rls.X(); \ + server = _config->Find(specialServerConfig); \ + APT_EMPTY_SERVER \ + } + // this way e.g. Debian-Security can fallback to Debian + APT_CHECK_SERVER(Label, "Override::") + APT_CHECK_SERVER(Origin, "Override::") + + if (RealFileExists(Rls.FileName())) + { + _error->PushToStack(); + FileFd rf; + /* This can be costly. A caller wanting to get millions of URIs might + want to do this on its own once and use Override settings. + We don't do this here as Origin/Label are not as unique as they + should be so this could produce request order-dependent anomalies */ + if (OpenMaybeClearSignedFile(Rls.FileName(), rf) == true) + { + pkgTagFile TagFile(&rf, rf.Size()); + pkgTagSection Section; + if (TagFile.Step(Section) == true) + server = Section.FindS("Changelogs"); + } + _error->RevertToStack(); + APT_EMPTY_SERVER + } + + APT_CHECK_SERVER(Label, "") + APT_CHECK_SERVER(Origin, "") +#undef APT_CHECK_SERVER +#undef APT_EMPTY_SERVER + return ""; +} +std::string pkgAcqChangelog::URI(pkgCache::RlsFileIterator const &Rls, + char const * const Component, char const * const SrcName, + char const * const SrcVersion) +{ + return URI(URITemplate(Rls), Component, SrcName, SrcVersion); +} +std::string pkgAcqChangelog::URI(std::string const &Template, + char const * const Component, char const * const SrcName, + char const * const SrcVersion) +{ + if (Template.find("CHANGEPATH") == std::string::npos) + return ""; + + // the path is: COMPONENT/SRC/SRCNAME/SRCNAME_SRCVER, e.g. main/a/apt/1.1 or contrib/liba/libapt/2.0 + std::string Src = SrcName; + std::string path = APT::String::Startswith(SrcName, "lib") ? Src.substr(0, 4) : Src.substr(0,1); + path.append("/").append(Src).append("/"); + path.append(Src).append("_").append(StripEpoch(SrcVersion)); + // we omit component for releases without one (= flat-style repositories) + if (Component != NULL && strlen(Component) != 0) + path = std::string(Component) + "/" + path; + + return SubstVar(Template, "CHANGEPATH", path); +} + /*}}}*/ +// AcqChangelog::Failed - Failure handler /*{{{*/ +void pkgAcqChangelog::Failed(string const &Message, pkgAcquire::MethodConfig const * const Cnf) +{ + Item::Failed(Message,Cnf); + + std::string errText; + // TRANSLATOR: %s=%s is sourcename=sourceversion, e.g. apt=1.1 + strprintf(errText, _("Changelog unavailable for %s=%s"), SrcName.c_str(), SrcVersion.c_str()); + + // Error is probably something techy like 404 Not Found + if (ErrorText.empty()) + ErrorText = errText; + else + ErrorText = errText + " (" + ErrorText + ")"; + return; +} + /*}}}*/ +// AcqChangelog::Done - Item downloaded OK /*{{{*/ +void pkgAcqChangelog::Done(string const &Message,HashStringList const &CalcHashes, + pkgAcquire::MethodConfig const * const Cnf) +{ + Item::Done(Message,CalcHashes,Cnf); + + Complete = true; +} + /*}}}*/ +pkgAcqChangelog::~pkgAcqChangelog() /*{{{*/ +{ + if (TemporaryDirectory.empty() == false) + { + unlink(DestFile.c_str()); + rmdir(TemporaryDirectory.c_str()); + } +} + /*}}}*/ + // AcqFile::pkgAcqFile - Constructor /*{{{*/ pkgAcqFile::pkgAcqFile(pkgAcquire * const Owner,string const &URI, HashStringList const &Hashes, unsigned long long const Size,string const &Dsc,string const &ShortDesc, @@ -2904,7 +3095,7 @@ void pkgAcqFile::Done(string const &Message,HashStringList const &CalcHashes, return; // We have to copy it into place - if (FileName != DestFile) + if (RealFileExists(DestFile.c_str()) == false) { Local = true; if (_config->FindB("Acquire::Source-Symlinks",true) == false ||