X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b7ec7a8020e6d6a8f47177a6a03e3c9f21e5219b..422a2eba84361a8dfd84b549c13037512779c572:/apt-pkg/acquire-item.cc?ds=sidebyside diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index a5a3b564b..bf1c68d82 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -46,6 +46,7 @@ #include #include #include +#include #include /*}}}*/ @@ -145,7 +146,7 @@ static void ReportMirrorFailureToCentral(pkgAcquire::Item const &I, std::string << FailCode << std::endl; #endif string const report = _config->Find("Methods::Mirror::ProblemReporting", - "/usr/lib/apt/apt-report-mirror-failure"); + LIBEXEC_DIR "/apt-report-mirror-failure"); if(!FileExists(report)) return; @@ -175,41 +176,101 @@ static void ReportMirrorFailureToCentral(pkgAcquire::Item const &I, std::string } /*}}}*/ -static bool MessageInsecureRepository(bool const isError, std::string const &msg)/*{{{*/ +static APT_NONNULL(2) bool MessageInsecureRepository(bool const isError, char const * const msg, std::string const &repo)/*{{{*/ { + std::string m; + strprintf(m, msg, repo.c_str()); if (isError) { - _error->Error("%s", msg.c_str()); + _error->Error("%s", m.c_str()); _error->Notice("%s", _("Updating from such a repository can't be done securely, and is therefore disabled by default.")); } else { - _error->Warning("%s", msg.c_str()); + _error->Warning("%s", m.c_str()); _error->Notice("%s", _("Data from such a repository can't be authenticated and is therefore potentially dangerous to use.")); } _error->Notice("%s", _("See apt-secure(8) manpage for repository creation and user configuration details.")); return false; } -static bool APT_NONNULL(2) MessageInsecureRepository(bool const isError, char const * const msg, std::string const &repo) + /*}}}*/ +// AllowInsecureRepositories /*{{{*/ +enum class InsecureType { UNSIGNED, WEAK, NORELEASE }; +static bool TargetIsAllowedToBe(IndexTarget const &Target, InsecureType const type) { - std::string m; - strprintf(m, msg, repo.c_str()); - return MessageInsecureRepository(isError, m); + if (_config->FindB("Acquire::AllowInsecureRepositories")) + return true; + + if (Target.OptionBool(IndexTarget::ALLOW_INSECURE)) + return true; + + switch (type) + { + case InsecureType::UNSIGNED: break; + case InsecureType::NORELEASE: break; + case InsecureType::WEAK: + if (_config->FindB("Acquire::AllowWeakRepositories")) + return true; + if (Target.OptionBool(IndexTarget::ALLOW_WEAK)) + return true; + break; + } + return false; } - /*}}}*/ -static bool APT_NONNULL(1, 3, 4, 5) AllowInsecureRepositories(char const * const msg, std::string const &repo,/*{{{*/ +static bool APT_NONNULL(3, 4, 5) AllowInsecureRepositories(InsecureType const msg, std::string const &repo, metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I) { + // we skip weak downgrades as its unlikely that a repository gets really weaker – + // its more realistic that apt got pickier in a newer version + if (msg != InsecureType::WEAK) + { + std::string const FinalInRelease = TransactionManager->GetFinalFilename(); + std::string const FinalReleasegpg = FinalInRelease.substr(0, FinalInRelease.length() - strlen("InRelease")) + "Release.gpg"; + if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease)) + { + char const * msgstr = nullptr; + switch (msg) + { + case InsecureType::UNSIGNED: msgstr = _("The repository '%s' is no longer signed."); break; + case InsecureType::NORELEASE: msgstr = _("The repository '%s' does no longer have a Release file."); break; + case InsecureType::WEAK: /* unreachable */ break; + } + if (_config->FindB("Acquire::AllowDowngradeToInsecureRepositories") || + TransactionManager->Target.OptionBool(IndexTarget::ALLOW_DOWNGRADE_TO_INSECURE)) + { + // meh, the users wants to take risks (we still mark the packages + // from this repository as unauthenticated) + _error->Warning(msgstr, repo.c_str()); + _error->Warning(_("This is normally not allowed, but the option " + "Acquire::AllowDowngradeToInsecureRepositories was " + "given to override it.")); + } else { + MessageInsecureRepository(true, msgstr, repo); + TransactionManager->AbortTransaction(); + I->Status = pkgAcquire::Item::StatError; + return false; + } + } + } + if(MetaIndexParser->GetTrusted() == metaIndex::TRI_YES) return true; - if (_config->FindB("Acquire::AllowInsecureRepositories") == true) + char const * msgstr = nullptr; + switch (msg) + { + case InsecureType::UNSIGNED: msgstr = _("The repository '%s' is not signed."); break; + case InsecureType::NORELEASE: msgstr = _("The repository '%s' does not have a Release file."); break; + case InsecureType::WEAK: msgstr = _("The repository '%s' provides only weak security information."); break; + } + + if (TargetIsAllowedToBe(TransactionManager->Target, msg) == true) { - MessageInsecureRepository(false, msg, repo); + MessageInsecureRepository(false, msgstr, repo); return true; } - MessageInsecureRepository(true, msg, repo); + MessageInsecureRepository(true, msgstr, repo); TransactionManager->AbortTransaction(); I->Status = pkgAcquire::Item::StatError; return false; @@ -239,7 +300,20 @@ APT_CONST bool pkgAcqTransactionItem::HashesRequired() const we can at least trust them for integrity of the download itself. Only repositories without a Release file can (obviously) not have hashes – and they are very uncommon and strongly discouraged */ - return TransactionManager->MetaIndexParser->GetLoadedSuccessfully() == metaIndex::TRI_YES; + if (TransactionManager->MetaIndexParser->GetLoadedSuccessfully() != metaIndex::TRI_YES) + return false; + if (TargetIsAllowedToBe(Target, InsecureType::WEAK)) + { + /* If we allow weak hashes, we check that we have some (weak) and then + declare hashes not needed. That will tip us in the right direction + as if hashes exist, they will be used, even if not required */ + auto const hsl = GetExpectedHashes(); + if (hsl.usable()) + return true; + if (hsl.empty() == false) + return false; + } + return true; } HashStringList pkgAcqTransactionItem::GetExpectedHashes() const { @@ -337,7 +411,7 @@ bool pkgAcqTransactionItem::QueueURI(pkgAcquire::ItemDesc &Item) return false; } // If we got the InRelease file via a mirror, pick all indexes directly from this mirror, too - if (TransactionManager->BaseURI.empty() == false && + if (TransactionManager->BaseURI.empty() == false && UsedMirror.empty() && URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI)) { // this ensures we rewrite only once and only the first step @@ -378,7 +452,11 @@ std::string pkgAcquire::Item::GetFinalFilename() const } std::string pkgAcqDiffIndex::GetFinalFilename() const { - return GetFinalFileNameFromURI(GetDiffIndexURI(Target)); + std::string const FinalFile = GetFinalFileNameFromURI(GetDiffIndexURI(Target)); + // we don't want recompress, so lets keep whatever we got + if (CurrentCompressionExtension == "uncompressed") + return FinalFile; + return FinalFile + "." + CurrentCompressionExtension; } std::string pkgAcqIndex::GetFinalFilename() const { @@ -415,7 +493,10 @@ std::string pkgAcqIndex::GetMetaKey() const } std::string pkgAcqDiffIndex::GetMetaKey() const { - return GetDiffIndexFileName(Target.MetaKey); + auto const metakey = GetDiffIndexFileName(Target.MetaKey); + if (CurrentCompressionExtension == "uncompressed") + return metakey; + return metakey + "." + CurrentCompressionExtension; } /*}}}*/ //pkgAcqTransactionItem::TransactionState and specialisations for child classes /*{{{*/ @@ -612,10 +693,15 @@ class APT_HIDDEN CleanupItem : public pkgAcqTransactionItem /*{{{*/ /*}}}*/ // Acquire::Item::Item - Constructor /*{{{*/ +class pkgAcquire::Item::Private +{ +public: + std::vector PastRedirections; +}; APT_IGNORE_DEPRECATED_PUSH pkgAcquire::Item::Item(pkgAcquire * const owner) : FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), Local(false), - QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(NULL) + QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(new Private()) { Owner->Add(this); Status = StatIdle; @@ -626,6 +712,7 @@ APT_IGNORE_DEPRECATED_POP pkgAcquire::Item::~Item() { Owner->Remove(this); + delete d; } /*}}}*/ std::string pkgAcquire::Item::Custom600Headers() const /*{{{*/ @@ -693,33 +780,51 @@ void pkgAcquire::Item::Failed(string const &Message,pkgAcquire::MethodConfig con } string const FailReason = LookupTag(Message, "FailReason"); - enum { MAXIMUM_SIZE_EXCEEDED, HASHSUM_MISMATCH, OTHER } failreason = OTHER; + enum { MAXIMUM_SIZE_EXCEEDED, HASHSUM_MISMATCH, WEAK_HASHSUMS, REDIRECTION_LOOP, OTHER } failreason = OTHER; if ( FailReason == "MaximumSizeExceeded") failreason = MAXIMUM_SIZE_EXCEEDED; + else if ( FailReason == "WeakHashSums") + failreason = WEAK_HASHSUMS; + else if (FailReason == "RedirectionLoop") + failreason = REDIRECTION_LOOP; else if (Status == StatAuthError) failreason = HASHSUM_MISMATCH; if(ErrorText.empty()) { + std::ostringstream out; + switch (failreason) + { + case HASHSUM_MISMATCH: + out << _("Hash Sum mismatch") << std::endl; + break; + case WEAK_HASHSUMS: + out << _("Insufficient information available to perform this download securely") << std::endl; + break; + case REDIRECTION_LOOP: + out << "Redirection loop encountered" << std::endl; + break; + case MAXIMUM_SIZE_EXCEEDED: + out << LookupTag(Message, "Message") << std::endl; + break; + case OTHER: + out << LookupTag(Message, "Message"); + break; + } + if (Status == StatAuthError) { - std::ostringstream out; - switch (failreason) - { - case HASHSUM_MISMATCH: - out << _("Hash Sum mismatch") << std::endl; - break; - case MAXIMUM_SIZE_EXCEEDED: - case OTHER: - out << LookupTag(Message, "Message") << std::endl; - break; - } auto const ExpectedHashes = GetExpectedHashes(); if (ExpectedHashes.empty() == false) { out << "Hashes of expected file:" << std::endl; for (auto const &hs: ExpectedHashes) - out << " - " << hs.toStr() << std::endl; + { + out << " - " << hs.toStr(); + if (hs.usable() == false) + out << " [weak]"; + out << std::endl; + } } if (failreason == HASHSUM_MISMATCH) { @@ -729,20 +834,26 @@ void pkgAcquire::Item::Failed(string const &Message,pkgAcquire::MethodConfig con std::string const tagname = std::string(*type) + "-Hash"; std::string const hashsum = LookupTag(Message, tagname.c_str()); if (hashsum.empty() == false) - out << " - " << HashString(*type, hashsum).toStr() << std::endl; + { + auto const hs = HashString(*type, hashsum); + out << " - " << hs.toStr(); + if (hs.usable() == false) + out << " [weak]"; + out << std::endl; + } } out << "Last modification reported: " << LookupTag(Message, "Last-Modified", "") << std::endl; } - ErrorText = out.str(); } - else - ErrorText = LookupTag(Message,"Message"); + ErrorText = out.str(); } switch (failreason) { case MAXIMUM_SIZE_EXCEEDED: RenameOnError(MaximumSizeExceeded); break; case HASHSUM_MISMATCH: RenameOnError(HashSumMismatch); break; + case WEAK_HASHSUMS: break; + case REDIRECTION_LOOP: break; case OTHER: break; } @@ -886,6 +997,49 @@ std::string pkgAcquire::Item::HashSum() const /*{{{*/ return hs != NULL ? hs->toStr() : ""; } /*}}}*/ +bool pkgAcquire::Item::IsRedirectionLoop(std::string const &NewURI) /*{{{*/ +{ + // store can fail due to permission errors and the item will "loop" then + if (APT::String::Startswith(NewURI, "store:")) + return false; + if (d->PastRedirections.empty()) + { + d->PastRedirections.push_back(NewURI); + return false; + } + auto const LastURI = std::prev(d->PastRedirections.end()); + // redirections to the same file are a way of restarting/resheduling, + // individual methods will have to make sure that they aren't looping this way + if (*LastURI == NewURI) + return false; + if (std::find(d->PastRedirections.begin(), LastURI, NewURI) != LastURI) + return true; + d->PastRedirections.push_back(NewURI); + return false; +} + /*}}}*/ + + /*}}}*/ +int pkgAcquire::Item::Priority() /*{{{*/ +{ + // Stage 1: Meta indices and diff indices + // - those need to be fetched first to have progress reporting working + // for the rest + if (dynamic_cast(this) != nullptr + || dynamic_cast(this) != nullptr + || dynamic_cast(this) != nullptr) + return 1000; + // Stage 2: Diff files + // - fetch before complete indexes so we can apply the diffs while fetching + // larger files. + if (dynamic_cast(this) != nullptr || + dynamic_cast(this) != nullptr) + return 800; + + // Stage 3: The rest - complete index files and other stuff + return 500; +} + /*}}}*/ pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/ pkgAcqMetaClearSig * const transactionManager, IndexTarget const &target) : @@ -934,10 +1088,8 @@ static void LoadLastMetaIndexParser(pkgAcqMetaClearSig * const TransactionManage // AcqMetaBase - Constructor /*{{{*/ pkgAcqMetaBase::pkgAcqMetaBase(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager, - std::vector const &IndexTargets, IndexTarget const &DataTarget) : pkgAcqTransactionItem(Owner, TransactionManager, DataTarget), d(NULL), - IndexTargets(IndexTargets), AuthPass(false), IMSHit(false), State(TransactionStarted) { } @@ -958,7 +1110,7 @@ void pkgAcqMetaBase::AbortTransaction() { case TransactionStarted: break; case TransactionAbort: _error->Fatal("Transaction %s was already aborted and is aborted again", TransactionManager->Target.URI.c_str()); return; - case TransactionCommit: _error->Fatal("Transaction %s was already aborted and is now commited", TransactionManager->Target.URI.c_str()); return; + case TransactionCommit: _error->Fatal("Transaction %s was already aborted and is now committed", TransactionManager->Target.URI.c_str()); return; } TransactionManager->State = TransactionAbort; @@ -1000,8 +1152,8 @@ void pkgAcqMetaBase::CommitTransaction() switch (TransactionManager->State) { case TransactionStarted: break; - case TransactionAbort: _error->Fatal("Transaction %s was already commited and is now aborted", TransactionManager->Target.URI.c_str()); return; - case TransactionCommit: _error->Fatal("Transaction %s was already commited and is again commited", TransactionManager->Target.URI.c_str()); return; + case TransactionAbort: _error->Fatal("Transaction %s was already committed and is now aborted", TransactionManager->Target.URI.c_str()); return; + case TransactionCommit: _error->Fatal("Transaction %s was already committed and is again committed", TransactionManager->Target.URI.c_str()); return; } TransactionManager->State = TransactionCommit; @@ -1079,7 +1231,7 @@ string pkgAcqMetaBase::Custom600Headers() const string const FinalFile = GetFinalFilename(); struct stat Buf; if (stat(FinalFile.c_str(),&Buf) == 0) - Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); + Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime, false); return Header; } @@ -1104,9 +1256,15 @@ bool pkgAcqMetaBase::CheckDownloadDone(pkgAcqTransactionItem * const I, const st if (I->UsedMirror.empty() == false && _config->FindB("Acquire::SameMirrorForAllIndexes", true)) { if (APT::String::Endswith(I->Desc.URI, "InRelease")) + { TransactionManager->BaseURI = I->Desc.URI.substr(0, I->Desc.URI.length() - strlen("InRelease")); + TransactionManager->UsedMirror = I->UsedMirror; + } else if (APT::String::Endswith(I->Desc.URI, "Release")) + { TransactionManager->BaseURI = I->Desc.URI.substr(0, I->Desc.URI.length() - strlen("Release")); + TransactionManager->UsedMirror = I->UsedMirror; + } } std::string const FileName = LookupTag(Message,"Filename"); @@ -1151,6 +1309,8 @@ bool pkgAcqMetaBase::CheckAuthDone(string const &Message) /*{{{*/ // valid signature from a key in the trusted keyring. We // perform additional verification of its contents, and use them // to verify the indexes we are about to download + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + std::cerr << "Signature verification succeeded: " << DestFile << std::endl; if (TransactionManager->IMSHit == false) { @@ -1171,7 +1331,8 @@ bool pkgAcqMetaBase::CheckAuthDone(string const &Message) /*{{{*/ LoadLastMetaIndexParser(TransactionManager, FinalRelease, FinalInRelease); } - if (TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText) == false) + bool const GoodAuth = TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText); + if (GoodAuth == false && AllowInsecureRepositories(InsecureType::WEAK, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == false) { Status = StatAuthError; return false; @@ -1183,112 +1344,146 @@ bool pkgAcqMetaBase::CheckAuthDone(string const &Message) /*{{{*/ return false; } - if (_config->FindB("Debug::pkgAcquire::Auth", false)) - std::cerr << "Signature verification succeeded: " - << DestFile << std::endl; - // Download further indexes with verification - QueueIndexes(true); + TransactionManager->QueueIndexes(GoodAuth); - return true; + return GoodAuth; } /*}}}*/ -void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/ +void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/ { // at this point the real Items are loaded in the fetcher ExpectedAdditionalItems = 0; - bool const metaBaseSupportsByHash = TransactionManager->MetaIndexParser->GetSupportsAcquireByHash(); - for (std::vector ::iterator Target = IndexTargets.begin(); - Target != IndexTargets.end(); - ++Target) - { + std::set targetsSeen; + bool const hasReleaseFile = TransactionManager->MetaIndexParser != NULL; + bool const metaBaseSupportsByHash = hasReleaseFile && TransactionManager->MetaIndexParser->GetSupportsAcquireByHash(); + bool hasHashes = true; + auto IndexTargets = TransactionManager->MetaIndexParser->GetIndexTargets(); + if (hasReleaseFile && verify == false) + hasHashes = std::any_of(IndexTargets.begin(), IndexTargets.end(), + [&](IndexTarget const &Target) { return TransactionManager->MetaIndexParser->Exists(Target.MetaKey); }); + if (_config->FindB("Acquire::IndexTargets::Randomized", true) && likely(IndexTargets.empty() == false)) + { + /* For fallback handling and to have some reasonable progress information + we can't randomize everything, but at least the order in the same type + can be as we shouldn't be telling the mirrors (and everyone else watching) + which is native/foreign arch, specific order of preference of translations, … */ + auto range_start = IndexTargets.begin(); + std::random_device rd; + std::default_random_engine g(rd()); + do { + auto const type = range_start->Option(IndexTarget::CREATED_BY); + auto const range_end = std::find_if_not(range_start, IndexTargets.end(), + [&type](IndexTarget const &T) { return type == T.Option(IndexTarget::CREATED_BY); }); + std::shuffle(range_start, range_end, g); + range_start = range_end; + } while (range_start != IndexTargets.end()); + } + for (auto&& Target: IndexTargets) + { + // if we have seen a target which is created-by a target this one here is declared a + // fallback to, we skip acquiring the fallback (but we make sure we clean up) + if (targetsSeen.find(Target.Option(IndexTarget::FALLBACK_OF)) != targetsSeen.end()) + { + targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY)); + new CleanupItem(Owner, TransactionManager, Target); + continue; + } // all is an implementation detail. Users shouldn't use this as arch // We need this support trickery here as e.g. Debian has binary-all files already, // but arch:all packages are still in the arch:any files, so we would waste precious // download time, bandwidth and diskspace for nothing, BUT Debian doesn't feature all // in the set of supported architectures, so we can filter based on this property rather // than invent an entirely new flag we would need to carry for all of eternity. - if (Target->Option(IndexTarget::ARCHITECTURE) == "all") + if (hasReleaseFile && Target.Option(IndexTarget::ARCHITECTURE) == "all") { - if (TransactionManager->MetaIndexParser->IsArchitectureSupported("all") == false || - TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(*Target) == false) + if (TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(Target) == false) { - new CleanupItem(Owner, TransactionManager, *Target); + new CleanupItem(Owner, TransactionManager, Target); continue; } } - bool trypdiff = Target->OptionBool(IndexTarget::PDIFFS); - if (verify == true) + bool trypdiff = Target.OptionBool(IndexTarget::PDIFFS); + if (hasReleaseFile == true) { - if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false) + if (TransactionManager->MetaIndexParser->Exists(Target.MetaKey) == false) { // optional targets that we do not have in the Release file are skipped - if (Target->IsOptional) + if (hasHashes == true && Target.IsOptional) { - new CleanupItem(Owner, TransactionManager, *Target); + new CleanupItem(Owner, TransactionManager, Target); continue; } - std::string const &arch = Target->Option(IndexTarget::ARCHITECTURE); + std::string const &arch = Target.Option(IndexTarget::ARCHITECTURE); if (arch.empty() == false) { if (TransactionManager->MetaIndexParser->IsArchitectureSupported(arch) == false) { - new CleanupItem(Owner, TransactionManager, *Target); + new CleanupItem(Owner, TransactionManager, Target); _error->Notice(_("Skipping acquire of configured file '%s' as repository '%s' doesn't support architecture '%s'"), - Target->MetaKey.c_str(), TransactionManager->Target.Description.c_str(), arch.c_str()); + Target.MetaKey.c_str(), TransactionManager->Target.Description.c_str(), arch.c_str()); continue; } // if the architecture is officially supported but currently no packages for it available, // ignore silently as this is pretty much the same as just shipping an empty file. // if we don't know which architectures are supported, we do NOT ignore it to notify user about this - if (TransactionManager->MetaIndexParser->IsArchitectureSupported("*undefined*") == false) + if (hasHashes == true && TransactionManager->MetaIndexParser->IsArchitectureSupported("*undefined*") == false) { - new CleanupItem(Owner, TransactionManager, *Target); + new CleanupItem(Owner, TransactionManager, Target); 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; + if (hasHashes == true) + { + 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; + } + else + { + new pkgAcqIndex(Owner, TransactionManager, Target); + continue; + } } - else + else if (verify) { - auto const hashes = GetExpectedHashesFor(Target->MetaKey); + auto const hashes = GetExpectedHashesFor(Target.MetaKey); if (hashes.empty() == false) { - if (hashes.usable() == false) + if (hashes.usable() == false && TargetIsAllowedToBe(TransactionManager->Target, InsecureType::WEAK) == false) { - new CleanupItem(Owner, TransactionManager, *Target); + new CleanupItem(Owner, TransactionManager, Target); _error->Warning(_("Skipping acquire of configured file '%s' as repository '%s' provides only weak security information for it"), - Target->MetaKey.c_str(), TransactionManager->Target.Description.c_str()); + Target.MetaKey.c_str(), TransactionManager->Target.Description.c_str()); continue; } // empty files are skipped as acquiring the very small compressed files is a waste of time else if (hashes.FileSize() == 0) { - new CleanupItem(Owner, TransactionManager, *Target); + new CleanupItem(Owner, TransactionManager, Target); + targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY)); continue; } } } // autoselect the compression method - std::vector types = VectorizeString(Target->Option(IndexTarget::COMPRESSIONTYPES), ' '); + std::vector types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' '); types.erase(std::remove_if(types.begin(), types.end(), [&](std::string const &t) { if (t == "uncompressed") - return TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false; - std::string const MetaKey = Target->MetaKey + "." + t; + return TransactionManager->MetaIndexParser->Exists(Target.MetaKey) == false; + std::string const MetaKey = Target.MetaKey + "." + t; return TransactionManager->MetaIndexParser->Exists(MetaKey) == false; }), types.end()); if (types.empty() == false) { std::ostringstream os; // add the special compressiontype byhash first if supported - std::string const useByHashConf = Target->Option(IndexTarget::BY_HASH); + std::string const useByHashConf = Target.Option(IndexTarget::BY_HASH); bool useByHash = false; if(useByHashConf == "force") useByHash = true; @@ -1298,12 +1493,12 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/ os << "by-hash "; std::copy(types.begin(), types.end()-1, std::ostream_iterator(os, " ")); os << *types.rbegin(); - Target->Options["COMPRESSIONTYPES"] = os.str(); + Target.Options["COMPRESSIONTYPES"] = os.str(); } else - Target->Options["COMPRESSIONTYPES"].clear(); + Target.Options["COMPRESSIONTYPES"].clear(); - std::string filename = GetExistingFilename(GetFinalFileNameFromURI(Target->URI)); + std::string filename = GetExistingFilename(GetFinalFileNameFromURI(Target.URI)); if (filename.empty() == false) { // if the Release file is a hit and we have an index it must be the current one @@ -1314,8 +1509,8 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/ // see if the file changed since the last Release file // we use the uncompressed files as we might compress differently compared to the server, // so the hashes might not match, even if they contain the same data. - HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey); - HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey); + HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target.MetaKey); + HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey); if (newFile != oldFile) filename.clear(); } @@ -1327,35 +1522,37 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/ if (filename.empty() == false) { - new NoActionItem(Owner, *Target, filename); - std::string const idxfilename = GetFinalFileNameFromURI(GetDiffIndexURI(*Target)); + new NoActionItem(Owner, Target, filename); + std::string const idxfilename = GetFinalFileNameFromURI(GetDiffIndexURI(Target)); if (FileExists(idxfilename)) - new NoActionItem(Owner, *Target, idxfilename); + new NoActionItem(Owner, Target, idxfilename); + targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY)); continue; } // check if we have patches available - trypdiff &= TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target->MetaKey)); + trypdiff &= TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target.MetaKey)); } else { // if we have no file to patch, no point in trying - trypdiff &= (GetExistingFilename(GetFinalFileNameFromURI(Target->URI)).empty() == false); + trypdiff &= (GetExistingFilename(GetFinalFileNameFromURI(Target.URI)).empty() == false); } // no point in patching from local sources if (trypdiff) { - std::string const proto = Target->URI.substr(0, strlen("file:/")); + 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, …) + targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY)); if (trypdiff) - new pkgAcqDiffIndex(Owner, TransactionManager, *Target); + new pkgAcqDiffIndex(Owner, TransactionManager, Target); else - new pkgAcqIndex(Owner, TransactionManager, *Target); + new pkgAcqIndex(Owner, TransactionManager, Target); } } /*}}}*/ @@ -1447,15 +1644,13 @@ pkgAcqMetaBase::~pkgAcqMetaBase() pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner, /*{{{*/ IndexTarget const &ClearsignedTarget, IndexTarget const &DetachedDataTarget, IndexTarget const &DetachedSigTarget, - std::vector const &IndexTargets, metaIndex * const MetaIndexParser) : - pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets), - d(NULL), ClearsignedTarget(ClearsignedTarget), - DetachedDataTarget(DetachedDataTarget), + pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget), + d(NULL), DetachedDataTarget(DetachedDataTarget), MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL) { // index targets + (worst case:) Release/Release.gpg - ExpectedAdditionalItems = IndexTargets.size() + 2; + ExpectedAdditionalItems = std::numeric_limits::max(); TransactionManager->Add(this); } /*}}}*/ @@ -1523,15 +1718,23 @@ void pkgAcqMetaClearSig::Done(std::string const &Message, new NoActionItem(Owner, DetachedSigTarget); } } + else if (Status != StatAuthError) + { + string const FinalFile = GetFinalFileNameFromURI(DetachedDataTarget.URI); + string const OldFile = GetFinalFilename(); + if (TransactionManager->IMSHit == false) + TransactionManager->TransactionStageCopy(this, DestFile, FinalFile); + else if (RealFileExists(OldFile) == false) + new NoActionItem(Owner, DetachedDataTarget); + else + TransactionManager->TransactionStageCopy(this, OldFile, FinalFile); + } } /*}}}*/ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf) /*{{{*/ { Item::Failed(Message, Cnf); - // we failed, we will not get additional items from this method - ExpectedAdditionalItems = 0; - if (AuthPass == false) { if (Status == StatAuthError || Status == StatTransientNetworkError) @@ -1550,17 +1753,14 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c TransactionManager->TransactionStageRemoval(this, GetFinalFilename()); Status = StatDone; - new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget, IndexTargets); + new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget); } else { if(CheckStopAuthentication(this, Message)) return; - // No Release file was present, or verification failed, so fall - // back to queueing Packages files without verification - // only allow going further if the user explicitly wants it - if(AllowInsecureRepositories(_("The repository '%s' is not signed."), ClearsignedTarget.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true) + if(AllowInsecureRepositories(InsecureType::UNSIGNED, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true) { Status = StatDone; @@ -1579,7 +1779,7 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c if (TransactionManager->MetaIndexParser->Load(PartialRelease, &ErrorText) == false || VerifyVendor(Message) == false) /* expired Release files are still a problem you need extra force for */; else - QueueIndexes(true); + TransactionManager->QueueIndexes(true); } } } @@ -1588,9 +1788,8 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner, /*{{{*/ pkgAcqMetaClearSig * const TransactionManager, IndexTarget const &DataTarget, - IndexTarget const &DetachedSigTarget, - vector const &IndexTargets) : - pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget), d(NULL), + IndexTarget const &DetachedSigTarget) : + pkgAcqMetaBase(Owner, TransactionManager, DataTarget), d(NULL), DetachedSigTarget(DetachedSigTarget) { if(_config->FindB("Debug::Acquire::Transaction", false) == true) @@ -1604,9 +1803,6 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner, /*{{{*/ Desc.Owner = this; Desc.ShortDesc = DataTarget.ShortDesc; Desc.URI = DataTarget.URI; - - // we expect more item - ExpectedAdditionalItems = IndexTargets.size(); QueueURI(Desc); } /*}}}*/ @@ -1635,13 +1831,13 @@ void pkgAcqMetaIndex::Failed(string const &Message, // No Release file was present so fall // back to queueing Packages files without verification // only allow going further if the user explicitly wants it - if(AllowInsecureRepositories(_("The repository '%s' does not have a Release file."), Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true) + if(AllowInsecureRepositories(InsecureType::NORELEASE, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true) { // ensure old Release files are removed TransactionManager->TransactionStageRemoval(this, GetFinalFilename()); // queue without any kind of hashsum support - QueueIndexes(false); + TransactionManager->QueueIndexes(false); } } /*}}}*/ @@ -1735,6 +1931,14 @@ void pkgAcqMetaSig::Done(string const &Message, HashStringList const &Hashes, TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename()); } } + else if (MetaIndex->Status != StatAuthError) + { + std::string const FinalFile = MetaIndex->GetFinalFilename(); + if (TransactionManager->IMSHit == false) + TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, FinalFile); + else + TransactionManager->TransactionStageCopy(MetaIndex, FinalFile, FinalFile); + } } /*}}}*/ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/ @@ -1745,40 +1949,14 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const if (MetaIndex->AuthPass == true && MetaIndex->CheckStopAuthentication(this, Message)) return; - string const FinalRelease = MetaIndex->GetFinalFilename(); - string const FinalReleasegpg = GetFinalFilename(); - string const FinalInRelease = TransactionManager->GetFinalFilename(); - - if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease)) - { - std::string downgrade_msg; - strprintf(downgrade_msg, _("The repository '%s' is no longer signed."), - MetaIndex->Target.Description.c_str()); - if(_config->FindB("Acquire::AllowDowngradeToInsecureRepositories")) - { - // meh, the users wants to take risks (we still mark the packages - // from this repository as unauthenticated) - _error->Warning("%s", downgrade_msg.c_str()); - _error->Warning(_("This is normally not allowed, but the option " - "Acquire::AllowDowngradeToInsecureRepositories was " - "given to override it.")); - Status = StatDone; - } else { - MessageInsecureRepository(true, downgrade_msg); - if (TransactionManager->IMSHit == false) - Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED"); - Item::Failed("Message: " + downgrade_msg, Cnf); - TransactionManager->AbortTransaction(); - return; - } - } - // ensures that a Release.gpg file in the lists/ is removed by the transaction TransactionManager->TransactionStageRemoval(this, DestFile); // only allow going further if the user explicitly wants it - if (AllowInsecureRepositories(_("The repository '%s' is not signed."), MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true) + if (AllowInsecureRepositories(InsecureType::UNSIGNED, MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true) { + string const FinalRelease = MetaIndex->GetFinalFilename(); + string const FinalInRelease = TransactionManager->GetFinalFilename(); LoadLastMetaIndexParser(TransactionManager, FinalRelease, FinalInRelease); // we parse the indexes here because at this point the user wanted @@ -1787,10 +1965,12 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const if (MetaIndex->VerifyVendor(Message) == false) /* expired Release files are still a problem you need extra force for */; else - MetaIndex->QueueIndexes(GoodLoad); + TransactionManager->QueueIndexes(GoodLoad); - TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename()); + TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, FinalRelease); } + else if (TransactionManager->IMSHit == false) + Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED"); // FIXME: this is used often (e.g. in pkgAcqIndexTrans) so refactor if (Cnf->LocalOnly == true || @@ -1822,7 +2002,7 @@ void pkgAcqBaseIndex::Failed(std::string const &Message,pkgAcquire::MethodConfig if (timespec == 0) ErrorText.append(""); else - ErrorText.append(TimeRFC1123(timespec)); + ErrorText.append(TimeRFC1123(timespec, true)); ErrorText.append("\n"); } /*}}}*/ @@ -1838,41 +2018,33 @@ pkgAcqBaseIndex::~pkgAcqBaseIndex() {} pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager, IndexTarget const &Target) - : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), diffs(NULL) + : pkgAcqIndex(Owner, TransactionManager, Target, true), d(NULL), diffs(NULL) { + // FIXME: Magic number as an upper bound on pdiffs we will reasonably acquire + ExpectedAdditionalItems = 40; Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); - Desc.Owner = this; - Desc.Description = GetDiffIndexFileName(Target.Description); - Desc.ShortDesc = Target.ShortDesc; - Desc.URI = GetDiffIndexURI(Target); - - DestFile = GetPartialFileNameFromURI(Desc.URI); + CompressionExtensions.clear(); + { + std::vector types = APT::Configuration::getCompressionTypes(); + if (types.empty() == false) + { + std::ostringstream os; + std::copy_if(types.begin(), types.end()-1, std::ostream_iterator(os, " "), [&](std::string const type) { + if (type == "uncompressed") + return true; + return TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target.MetaKey) + '.' + type); + }); + os << *types.rbegin(); + CompressionExtensions = os.str(); + } + } + if (Target.Option(IndexTarget::COMPRESSIONTYPES).find("by-hash") != std::string::npos) + CompressionExtensions = "by-hash " + CompressionExtensions; + Init(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Target.ShortDesc); if(Debug) std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl; - - QueueURI(Desc); -} - /*}}}*/ -// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ -// --------------------------------------------------------------------- -/* The only header we use is the last-modified header. */ -string pkgAcqDiffIndex::Custom600Headers() const -{ - if (TransactionManager->LastMetaIndexParser != NULL) - return "\nIndex-File: true"; - - string const Final = GetFinalFilename(); - - if(Debug) - std::clog << "Custom600Header-IMS: " << Final << std::endl; - - struct stat Buf; - if (stat(Final.c_str(),&Buf) != 0) - return "\nIndex-File: true"; - - return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); } /*}}}*/ void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/ @@ -1882,15 +2054,28 @@ void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/ new pkgAcqIndexDiffs(Owner, TransactionManager, Target); } /*}}}*/ +static bool RemoveFileForBootstrapLinking(bool const Debug, std::string const &For, std::string const &Boot)/*{{{*/ +{ + if (FileExists(Boot) && RemoveFile("Bootstrap-linking", Boot) == false) + { + if (Debug) + std::clog << "Bootstrap-linking for patching " << For + << " by removing stale " << Boot << " failed!" << std::endl; + return false; + } + return true; +} + /*}}}*/ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ { + ExpectedAdditionalItems = 0; // failing here is fine: our caller will take care of trying to // get the complete file if patching fails if(Debug) std::clog << "pkgAcqDiffIndex::ParseIndexDiff() " << IndexDiffFile << std::endl; - FileFd Fd(IndexDiffFile,FileFd::ReadOnly); + FileFd Fd(IndexDiffFile, FileFd::ReadOnly, FileFd::Extension); pkgTagFile TF(&Fd); if (Fd.IsOpen() == false || Fd.Failed()) return false; @@ -1902,6 +2087,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ HashStringList ServerHashes; unsigned long long ServerSize = 0; + auto const &posix = std::locale::classic(); for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type) { std::string tagname = *type; @@ -1913,6 +2099,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ string hash; unsigned long long size; std::stringstream ss(tmp); + ss.imbue(posix); ss >> hash >> size; if (unlikely(hash.empty() == true)) continue; @@ -1991,6 +2178,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ string hash, filename; unsigned long long size; std::stringstream ss(tmp); + ss.imbue(posix); while (ss >> hash >> size >> filename) { @@ -2049,6 +2237,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ string hash, filename; unsigned long long size; std::stringstream ss(tmp); + ss.imbue(posix); while (ss >> hash >> size >> filename) { @@ -2086,6 +2275,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ string hash, filename; unsigned long long size; std::stringstream ss(tmp); + ss.imbue(posix); // FIXME: all of pdiff supports only .gz compressed patches while (ss >> hash >> size >> filename) @@ -2216,23 +2406,15 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ if (unlikely(Final.empty())) // because we wouldn't be called in such a case return false; std::string const PartialFile = GetPartialFileNameFromURI(Target.URI); - if (FileExists(PartialFile) && RemoveFile("Bootstrap-linking", PartialFile) == false) - { - if (Debug) - std::clog << "Bootstrap-linking for patching " << CurrentPackagesFile - << " by removing stale " << PartialFile << " failed!" << std::endl; + std::string const PatchedFile = GetKeepCompressedFileName(PartialFile + "-patched", Target); + if (RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PartialFile) == false || + RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PatchedFile) == false) return false; - } for (auto const &ext : APT::Configuration::getCompressorExtensions()) { - std::string const Partial = PartialFile + ext; - if (FileExists(Partial) && RemoveFile("Bootstrap-linking", Partial) == false) - { - if (Debug) - std::clog << "Bootstrap-linking for patching " << CurrentPackagesFile - << " by removing stale " << Partial << " failed!" << std::endl; + if (RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PartialFile + ext) == false || + RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PatchedFile + ext) == false) return false; - } } std::string const Ext = Final.substr(CurrentPackagesFile.length()); std::string const Partial = PartialFile + Ext; @@ -2265,8 +2447,11 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/ /*}}}*/ void pkgAcqDiffIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/ { - pkgAcqBaseIndex::Failed(Message,Cnf); + if (CommonFailed(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Message, Cnf)) + return; + Status = StatDone; + ExpectedAdditionalItems = 0; if(Debug) std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl @@ -2513,9 +2698,10 @@ std::string pkgAcqIndexDiffs::Custom600Headers() const /*{{{*/ if(State != StateApplyDiff) return pkgAcqBaseIndex::Custom600Headers(); std::ostringstream patchhashes; - HashStringList const ExpectedHashes = available_patches[0].patch_hashes; - for (HashStringList::const_iterator hs = ExpectedHashes.begin(); hs != ExpectedHashes.end(); ++hs) - patchhashes << "\nPatch-0-" << hs->HashType() << "-Hash: " << hs->HashValue(); + for (auto && hs : available_patches[0].result_hashes) + patchhashes << "\nStart-" << hs.HashType() << "-Hash: " << hs.HashValue(); + for (auto && hs : available_patches[0].patch_hashes) + patchhashes << "\nPatch-0-" << hs.HashType() << "-Hash: " << hs.HashValue(); patchhashes << pkgAcqBaseIndex::Custom600Headers(); return patchhashes.str(); } @@ -2662,12 +2848,14 @@ std::string pkgAcqIndexMergeDiffs::Custom600Headers() const /*{{{*/ return pkgAcqBaseIndex::Custom600Headers(); std::ostringstream patchhashes; unsigned int seen_patches = 0; + for (auto && hs : (*allPatches)[0]->patch.result_hashes) + patchhashes << "\nStart-" << hs.HashType() << "-Hash: " << hs.HashValue(); for (std::vector::const_iterator I = allPatches->begin(); I != allPatches->end(); ++I) { HashStringList const ExpectedHashes = (*I)->patch.patch_hashes; for (HashStringList::const_iterator hs = ExpectedHashes.begin(); hs != ExpectedHashes.end(); ++hs) - patchhashes << "\nPatch-" << seen_patches << "-" << hs->HashType() << "-Hash: " << hs->HashValue(); + patchhashes << "\nPatch-" << std::to_string(seen_patches) << "-" << hs->HashType() << "-Hash: " << hs->HashValue(); ++seen_patches; } patchhashes << pkgAcqBaseIndex::Custom600Headers(); @@ -2679,10 +2867,12 @@ pkgAcqIndexMergeDiffs::~pkgAcqIndexMergeDiffs() {} // AcqIndex::AcqIndex - Constructor /*{{{*/ pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager, - IndexTarget const &Target) + IndexTarget const &Target, bool const Derived) : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD), CompressionExtensions(Target.Option(IndexTarget::COMPRESSIONTYPES)) { + if (Derived) + return; Init(Target.URI, Target.Description, Target.ShortDesc); if(_config->FindB("Debug::Acquire::Transaction", false) == true) @@ -2715,10 +2905,6 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, DestFile = GetPartialFileNameFromURI(URI); NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, false); - // store file size of the download to ensure the fetcher gives - // accurate progress reporting - FileSize = GetExpectedHashes().FileSize(); - if (CurrentCompressionExtension == "uncompressed") { Desc.URI = URI; @@ -2733,6 +2919,8 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, Desc.URI = URI + '.' + CurrentCompressionExtension; DestFile = DestFile + '.' + CurrentCompressionExtension; } + else + Desc.URI = URI; HashStringList const Hashes = GetExpectedHashes(); HashString const * const TargetHash = Hashes.find(NULL); @@ -2755,6 +2943,9 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, DestFile = DestFile + '.' + CurrentCompressionExtension; } + // store file size of the download to ensure the fetcher gives + // accurate progress reporting + FileSize = GetExpectedHashes().FileSize(); Desc.Description = URIDesc; Desc.Owner = this; @@ -2777,7 +2968,7 @@ string pkgAcqIndex::Custom600Headers() const struct stat Buf; if (stat(Final.c_str(),&Buf) == 0) - msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); + msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime, false); } if(Target.IsOptional) @@ -2787,20 +2978,40 @@ string pkgAcqIndex::Custom600Headers() const } /*}}}*/ // AcqIndex::Failed - getting the indexfile failed /*{{{*/ -void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf) +bool pkgAcqIndex::CommonFailed(std::string const &TargetURI, std::string const TargetDesc, + std::string const &Message, pkgAcquire::MethodConfig const * const Cnf) { pkgAcqBaseIndex::Failed(Message,Cnf); + if (UsedMirror.empty() == false && UsedMirror != "DIRECT" && + LookupTag(Message, "FailReason") == "HttpError404") + { + UsedMirror = "DIRECT"; + if (Desc.URI.find("/by-hash/") != std::string::npos) + CompressionExtensions = "by-hash " + CompressionExtensions; + else + CompressionExtensions = CurrentCompressionExtension + ' ' + CompressionExtensions; + Init(TargetURI, TargetDesc, Desc.ShortDesc); + Status = StatIdle; + return true; + } + // authorisation matches will not be fixed by other compression types if (Status != StatAuthError) { if (CompressionExtensions.empty() == false) { - Init(Target.URI, Desc.Description, Desc.ShortDesc); + Init(TargetURI, Desc.Description, Desc.ShortDesc); Status = StatIdle; - return; + return true; } } + return false; +} +void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf) +{ + if (CommonFailed(Target.URI, Target.Description, Message, Cnf)) + return; if(Target.IsOptional && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD) Status = StatDone; @@ -3108,9 +3319,8 @@ bool pkgAcqArchive::QueueNext() // Create the item Local = false; - QueueURI(Desc); - ++Vf; + QueueURI(Desc); return true; } return false; @@ -3269,7 +3479,7 @@ void pkgAcqChangelog::Init(std::string const &DestDir, std::string const &DestFi TemporaryDirectory = tmpname; ChangeOwnerAndPermissionOfFile("Item::QueueURI", TemporaryDirectory.c_str(), - SandboxUser.c_str(), "root", 0700); + SandboxUser.c_str(), ROOT_GROUP, 0700); DestFile = flCombine(TemporaryDirectory, DestFileName); if (DestDir.empty() == false) @@ -3317,7 +3527,8 @@ std::string pkgAcqChangelog::URI(pkgCache::VerIterator const &Ver) /*{{{*/ pkgCache::PkgIterator const Pkg = Ver.ParentPkg(); if (Pkg->CurrentVer != 0 && Pkg.CurrentVer() == Ver) { - std::string const basename = std::string("/usr/share/doc/") + Pkg.Name() + "/changelog"; + std::string const root = _config->FindDir("Dir"); + std::string const basename = root + std::string("usr/share/doc/") + Pkg.Name() + "/changelog"; std::string const debianname = basename + ".Debian"; if (FileExists(debianname)) return "copy://" + debianname;