X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/fa235bed5a233d5ae44f6d9a35142fe933b92f4c..475f75506db48a7fa90711fce4ed129f6a14cc9a:/apt-pkg/deb/debmetaindex.cc diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc index a91cc34e9..2671fc30d 100644 --- a/apt-pkg/deb/debmetaindex.cc +++ b/apt-pkg/deb/debmetaindex.cc @@ -1,39 +1,65 @@ -// ijones, walters +#include +#include #include #include #include +#include #include #include #include -#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include -#include +#include +#include -using namespace std; +#include -string debReleaseIndex::Info(const char *Type, string const &Section, string const &Arch) const +class APT_HIDDEN debReleaseIndexPrivate /*{{{*/ { - string Info = ::URI::SiteOnly(URI) + ' '; - if (Dist[Dist.size() - 1] == '/') - { - if (Dist != "/") - Info += Dist; - } - else + public: + struct APT_HIDDEN debSectionEntry { - Info += Dist + '/' + Section; - if (Arch.empty() != true) - Info += " " + Arch; - } - Info += " "; - Info += Type; - return Info; -} + std::string const sourcesEntry; + std::string const Name; + std::vector const Targets; + std::vector const Architectures; + std::vector const Languages; + bool const UsePDiffs; + std::string const UseByHash; + }; + + std::vector DebEntries; + std::vector DebSrcEntries; -string debReleaseIndex::MetaIndexInfo(const char *Type) const + metaIndex::TriState CheckValidUntil; + time_t ValidUntilMin; + time_t ValidUntilMax; + + std::vector Architectures; + std::vector NoSupportForAll; + std::map const ReleaseOptions; + + debReleaseIndexPrivate(std::map const &Options) : CheckValidUntil(metaIndex::TRI_UNSET), ValidUntilMin(0), ValidUntilMax(0), ReleaseOptions(Options) {} +}; + /*}}}*/ +// ReleaseIndex::MetaIndex* - display helpers /*{{{*/ +std::string debReleaseIndex::MetaIndexInfo(const char *Type) const { - string Info = ::URI::SiteOnly(URI) + ' '; + std::string Info = ::URI::ArchiveOnly(URI) + ' '; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") @@ -45,388 +71,1095 @@ string debReleaseIndex::MetaIndexInfo(const char *Type) const Info += Type; return Info; } +std::string debReleaseIndex::Describe() const +{ + return MetaIndexInfo("Release"); +} -string debReleaseIndex::MetaIndexFile(const char *Type) const +std::string debReleaseIndex::MetaIndexFile(const char *Type) const { return _config->FindDir("Dir::State::lists") + URItoFileName(MetaIndexURI(Type)); } - -string debReleaseIndex::MetaIndexURI(const char *Type) const +static std::string constructMetaIndexURI(std::string URI, std::string const &Dist, char const * const Type) { - string Res; - if (Dist == "/") - Res = URI; + ; else if (Dist[Dist.size()-1] == '/') - Res = URI + Dist; + URI += Dist; else - Res = URI + "dists/" + Dist + "/"; - - Res += Type; - return Res; + URI += "dists/" + Dist + "/"; + return URI + Type; } - -string debReleaseIndex::IndexURISuffix(const char *Type, string const &Section, string const &Arch) const +std::string debReleaseIndex::MetaIndexURI(const char *Type) const { - string Res =""; - if (Dist[Dist.size() - 1] != '/') - { - if (Arch == "native") - Res += Section + "/binary-" + _config->Find("APT::Architecture") + '/'; - else - Res += Section + "/binary-" + Arch + '/'; - } - return Res + Type; + return constructMetaIndexURI(URI, Dist, Type); } - - -string debReleaseIndex::IndexURI(const char *Type, string const &Section, string const &Arch) const + /*}}}*/ +// ReleaseIndex Con- and Destructors /*{{{*/ +debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, std::map const &Options) : + metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate(Options)) +{} +debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, bool const pTrusted, std::map const &Options) : + metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate(Options)) { - if (Dist[Dist.size() - 1] == '/') + Trusted = pTrusted ? TRI_YES : TRI_NO; +} +debReleaseIndex::~debReleaseIndex() { + if (d != NULL) + delete d; +} + /*}}}*/ +// ReleaseIndex::GetIndexTargets /*{{{*/ +static void GetIndexTargetsFor(char const * const Type, std::string const &URI, std::string const &Dist, + std::vector const &entries, + std::vector &IndexTargets, std::map const &ReleaseOptions) +{ + bool const flatArchive = (Dist[Dist.length() - 1] == '/'); + std::string const baseURI = constructMetaIndexURI(URI, Dist, ""); + std::string const Release = (Dist == "/") ? "" : Dist; + std::string const Site = ::URI::ArchiveOnly(URI); + + std::string DefCompressionTypes; { - string Res; - if (Dist != "/") - Res = URI + Dist; - else - Res = URI; - return Res + Type; + std::vector types = APT::Configuration::getCompressionTypes(); + if (types.empty() == false) + { + std::ostringstream os; + std::copy(types.begin(), types.end()-1, std::ostream_iterator(os, " ")); + os << *types.rbegin(); + DefCompressionTypes = os.str(); + } } - else - return URI + "dists/" + Dist + '/' + IndexURISuffix(Type, Section, Arch); - } + std::string DefKeepCompressedAs; + { + std::vector comps = APT::Configuration::getCompressors(); + if (comps.empty() == false) + { + std::sort(comps.begin(), comps.end(), + [](APT::Configuration::Compressor const &a, APT::Configuration::Compressor const &b) { return a.Cost < b.Cost; }); + std::ostringstream os; + for (auto const &c : comps) + if (c.Cost != 0) + os << c.Extension.substr(1) << ' '; + DefKeepCompressedAs = os.str(); + } + DefKeepCompressedAs += "uncompressed"; + } + + std::vector const NativeArchs = { _config->Find("APT::Architecture"), "all" }; + bool const GzipIndex = _config->FindB("Acquire::GzipIndexes", false); + for (std::vector::const_iterator E = entries.begin(); E != entries.end(); ++E) + { + for (std::vector::const_iterator T = E->Targets.begin(); T != E->Targets.end(); ++T) + { +#define APT_T_CONFIG_STR(X, Y) _config->Find(std::string("Acquire::IndexTargets::") + Type + "::" + *T + "::" + (X), (Y)) +#define APT_T_CONFIG_BOOL(X, Y) _config->FindB(std::string("Acquire::IndexTargets::") + Type + "::" + *T + "::" + (X), (Y)) + std::string const tplMetaKey = APT_T_CONFIG_STR(flatArchive ? "flatMetaKey" : "MetaKey", ""); + std::string const tplShortDesc = APT_T_CONFIG_STR("ShortDescription", ""); + std::string const tplLongDesc = "$(SITE) " + APT_T_CONFIG_STR(flatArchive ? "flatDescription" : "Description", ""); + std::string const tplIdentifier = APT_T_CONFIG_STR("Identifier", *T); + bool const IsOptional = APT_T_CONFIG_BOOL("Optional", true); + bool const KeepCompressed = APT_T_CONFIG_BOOL("KeepCompressed", GzipIndex); + bool const DefaultEnabled = APT_T_CONFIG_BOOL("DefaultEnabled", true); + bool const UsePDiffs = APT_T_CONFIG_BOOL("PDiffs", E->UsePDiffs); + std::string const UseByHash = APT_T_CONFIG_STR("By-Hash", E->UseByHash); + std::string const CompressionTypes = APT_T_CONFIG_STR("CompressionTypes", DefCompressionTypes); + std::string KeepCompressedAs = APT_T_CONFIG_STR("KeepCompressedAs", ""); + std::string const FallbackOf = APT_T_CONFIG_STR("Fallback-Of", ""); +#undef APT_T_CONFIG_BOOL +#undef APT_T_CONFIG_STR + if (tplMetaKey.empty()) + continue; + + if (KeepCompressedAs.empty()) + KeepCompressedAs = DefKeepCompressedAs; + else + { + std::vector const defKeep = VectorizeString(DefKeepCompressedAs, ' '); + std::vector const valKeep = VectorizeString(KeepCompressedAs, ' '); + std::vector keep; + for (auto const &val : valKeep) + { + if (val.empty()) + continue; + if (std::find(defKeep.begin(), defKeep.end(), val) == defKeep.end()) + continue; + keep.push_back(val); + } + if (std::find(keep.begin(), keep.end(), "uncompressed") == keep.end()) + keep.push_back("uncompressed"); + std::ostringstream os; + std::copy(keep.begin(), keep.end()-1, std::ostream_iterator(os, " ")); + os << *keep.rbegin(); + KeepCompressedAs = os.str(); + } + + for (std::vector::const_iterator L = E->Languages.begin(); L != E->Languages.end(); ++L) + { + if (*L == "none" && tplMetaKey.find("$(LANGUAGE)") != std::string::npos) + continue; + + for (std::vector::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A) + { + for (auto const &NativeArch: NativeArchs) + { + constexpr static auto BreakPoint = "$(NATIVE_ARCHITECTURE)"; + // available in templates + std::map Options; + Options.insert(std::make_pair("SITE", Site)); + Options.insert(std::make_pair("RELEASE", Release)); + if (tplMetaKey.find("$(COMPONENT)") != std::string::npos) + Options.insert(std::make_pair("COMPONENT", E->Name)); + if (tplMetaKey.find("$(LANGUAGE)") != std::string::npos) + Options.insert(std::make_pair("LANGUAGE", *L)); + if (tplMetaKey.find("$(ARCHITECTURE)") != std::string::npos) + Options.insert(std::make_pair("ARCHITECTURE", *A)); + else if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos) + Options.insert(std::make_pair("ARCHITECTURE", NativeArch)); + if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos) + Options.insert(std::make_pair("NATIVE_ARCHITECTURE", NativeArch)); + + std::string MetaKey = tplMetaKey; + std::string ShortDesc = tplShortDesc; + std::string LongDesc = tplLongDesc; + std::string Identifier = tplIdentifier; + for (std::map::const_iterator O = Options.begin(); O != Options.end(); ++O) + { + std::string const varname = "$(" + O->first + ")"; + MetaKey = SubstVar(MetaKey, varname, O->second); + ShortDesc = SubstVar(ShortDesc, varname, O->second); + LongDesc = SubstVar(LongDesc, varname, O->second); + Identifier = SubstVar(Identifier, varname, O->second); + } + + { + auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) { + return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) && + E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T == IT.Option(IndexTarget::CREATED_BY); + }); + if (dup != IndexTargets.end()) + { + if (tplMetaKey.find(BreakPoint) == std::string::npos) + break; + continue; + } + } + + { + auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) { + return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) && + E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T != IT.Option(IndexTarget::CREATED_BY); + }); + if (dup != IndexTargets.end()) + { + std::string const dupT = dup->Option(IndexTarget::CREATED_BY); + std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY); + //TRANSLATOR: an identifier like Packages; Releasefile key indicating + // a file like main/binary-amd64/Packages; another identifier like Contents; + // filename and linenumber of the sources.list entry currently parsed + _error->Warning(_("Target %s wants to acquire the same file (%s) as %s from source %s"), + T->c_str(), MetaKey.c_str(), dupT.c_str(), dupEntry.c_str()); + if (tplMetaKey.find(BreakPoint) == std::string::npos) + break; + continue; + } + } + + { + auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &T) { + return MetaKey == T.MetaKey && baseURI == T.Option(IndexTarget::BASE_URI) && + E->sourcesEntry != T.Option(IndexTarget::SOURCESENTRY); + }); + if (dup != IndexTargets.end()) + { + std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY); + //TRANSLATOR: an identifier like Packages; Releasefile key indicating + // a file like main/binary-amd64/Packages; filename and linenumber of + // two sources.list entries + _error->Warning(_("Target %s (%s) is configured multiple times in %s and %s"), + T->c_str(), MetaKey.c_str(), dupEntry.c_str(), E->sourcesEntry.c_str()); + if (tplMetaKey.find(BreakPoint) == std::string::npos) + break; + continue; + } + } + + // not available in templates, but in the indextarget + Options.insert(ReleaseOptions.begin(), ReleaseOptions.end()); + Options.insert(std::make_pair("IDENTIFIER", Identifier)); + Options.insert(std::make_pair("TARGET_OF", Type)); + Options.insert(std::make_pair("CREATED_BY", *T)); + Options.insert(std::make_pair("FALLBACK_OF", FallbackOf)); + Options.insert(std::make_pair("PDIFFS", UsePDiffs ? "yes" : "no")); + Options.insert(std::make_pair("BY_HASH", UseByHash)); + Options.insert(std::make_pair("DEFAULTENABLED", DefaultEnabled ? "yes" : "no")); + Options.insert(std::make_pair("COMPRESSIONTYPES", CompressionTypes)); + Options.insert(std::make_pair("KEEPCOMPRESSEDAS", KeepCompressedAs)); + Options.insert(std::make_pair("SOURCESENTRY", E->sourcesEntry)); + + bool IsOpt = IsOptional; + if (IsOpt == false) + { + auto const arch = Options.find("ARCHITECTURE"); + if (arch != Options.end() && arch->second == "all") + IsOpt = true; + } + + IndexTarget Target( + MetaKey, + ShortDesc, + LongDesc, + baseURI + MetaKey, + IsOpt, + KeepCompressed, + Options + ); + IndexTargets.push_back(Target); + + if (tplMetaKey.find(BreakPoint) == std::string::npos) + break; + } + + if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos) + break; + + } -string debReleaseIndex::SourceIndexURISuffix(const char *Type, const string &Section) const + if (tplMetaKey.find("$(LANGUAGE)") == std::string::npos) + break; + + } + + } + } +} +std::vector debReleaseIndex::GetIndexTargets() const { - string Res =""; - if (Dist[Dist.size() - 1] != '/') - Res += Section + "/source/"; - return Res + Type; + std::vector IndexTargets; + GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets, d->ReleaseOptions); + GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets, d->ReleaseOptions); + return IndexTargets; +} + /*}}}*/ +void debReleaseIndex::AddComponent(std::string const &sourcesEntry, /*{{{*/ + bool const isSrc, std::string const &Name, + std::vector const &Targets, + std::vector const &Architectures, + std::vector Languages, + bool const usePDiffs, std::string const &useByHash) +{ + if (Languages.empty() == true) + Languages.push_back("none"); + debReleaseIndexPrivate::debSectionEntry const entry = { + sourcesEntry, Name, Targets, Architectures, Languages, usePDiffs, useByHash + }; + if (isSrc) + d->DebSrcEntries.push_back(entry); + else + d->DebEntries.push_back(entry); } + /*}}}*/ -string debReleaseIndex::SourceIndexURI(const char *Type, const string &Section) const +bool debReleaseIndex::Load(std::string const &Filename, std::string * const ErrorText)/*{{{*/ { - string Res; - if (Dist[Dist.size() - 1] == '/') + LoadedSuccessfully = TRI_NO; + FileFd Fd; + if (OpenMaybeClearSignedFile(Filename, Fd) == false) + return false; + + pkgTagFile TagFile(&Fd, Fd.Size()); + if (Fd.IsOpen() == false || Fd.Failed()) { - if (Dist != "/") - Res = URI + Dist; - else - Res = URI; - return Res + Type; + if (ErrorText != NULL) + strprintf(*ErrorText, _("Unable to parse Release file %s"),Filename.c_str()); + return false; } + + pkgTagSection Section; + const char *Start, *End; + if (TagFile.Step(Section) == false) + { + if (ErrorText != NULL) + strprintf(*ErrorText, _("No sections in Release file %s"), Filename.c_str()); + return false; + } + // FIXME: find better tag name + SupportsAcquireByHash = Section.FindB("Acquire-By-Hash", false); + + Suite = Section.FindS("Suite"); + Codename = Section.FindS("Codename"); + { + std::string const archs = Section.FindS("Architectures"); + if (archs.empty() == false) + d->Architectures = VectorizeString(archs, ' '); + } + { + std::string const targets = Section.FindS("No-Support-for-Architecture-all"); + if (targets.empty() == false) + d->NoSupportForAll = VectorizeString(targets, ' '); + } + + bool FoundHashSum = false; + bool FoundStrongHashSum = false; + auto const SupportedHashes = HashString::SupportedHashes(); + for (int i=0; SupportedHashes[i] != NULL; i++) + { + if (!Section.Find(SupportedHashes[i], Start, End)) + continue; + + std::string Name; + std::string Hash; + unsigned long long Size; + while (Start < End) + { + if (!parseSumData(Start, End, Name, Hash, Size)) + return false; + + HashString const hs(SupportedHashes[i], Hash); + if (Entries.find(Name) == Entries.end()) + { + metaIndex::checkSum *Sum = new metaIndex::checkSum; + Sum->MetaKeyFilename = Name; + Sum->Size = Size; + Sum->Hashes.FileSize(Size); + APT_IGNORE_DEPRECATED(Sum->Hash = hs;) + Entries[Name] = Sum; + } + Entries[Name]->Hashes.push_back(hs); + FoundHashSum = true; + if (FoundStrongHashSum == false && hs.usable() == true) + FoundStrongHashSum = true; + } + } + + bool AuthPossible = false; + if(FoundHashSum == false) + _error->Warning(_("No Hash entry in Release file %s"), Filename.c_str()); + else if(FoundStrongHashSum == false) + _error->Warning(_("No Hash entry in Release file %s which is considered strong enough for security purposes"), Filename.c_str()); else - return URI + "dists/" + Dist + "/" + SourceIndexURISuffix(Type, Section); -} + AuthPossible = true; -string debReleaseIndex::TranslationIndexURISuffix(const char *Type, const string &Section) const -{ - string Res =""; - if (Dist[Dist.size() - 1] != '/') - Res += Section + "/i18n/"; - return Res + Type; -} + std::string const StrDate = Section.FindS("Date"); + if (RFC1123StrToTime(StrDate.c_str(), Date) == false) + { + _error->Warning( _("Invalid '%s' entry in Release file %s"), "Date", Filename.c_str()); + Date = 0; + } -string debReleaseIndex::TranslationIndexURI(const char *Type, const string &Section) const -{ - string Res; - if (Dist[Dist.size() - 1] == '/') + bool CheckValidUntil = _config->FindB("Acquire::Check-Valid-Until", true); + if (d->CheckValidUntil == metaIndex::TRI_NO) + CheckValidUntil = false; + else if (d->CheckValidUntil == metaIndex::TRI_YES) + CheckValidUntil = true; + + if (CheckValidUntil == true) { - if (Dist != "/") - Res = URI + Dist; - else - Res = URI; - return Res + Type; + std::string const Label = Section.FindS("Label"); + std::string const StrValidUntil = Section.FindS("Valid-Until"); + + // if we have a Valid-Until header in the Release file, use it as default + if (StrValidUntil.empty() == false) + { + if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false) + { + if (ErrorText != NULL) + strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Valid-Until", Filename.c_str()); + return false; + } + } + // get the user settings for this archive and use what expires earlier + time_t MaxAge = d->ValidUntilMax; + if (MaxAge == 0) + { + MaxAge = _config->FindI("Acquire::Max-ValidTime", 0); + if (Label.empty() == false) + MaxAge = _config->FindI(("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge); + } + time_t MinAge = d->ValidUntilMin; + if (MinAge == 0) + { + MinAge = _config->FindI("Acquire::Min-ValidTime", 0); + if (Label.empty() == false) + MinAge = _config->FindI(("Acquire::Min-ValidTime::" + Label).c_str(), MinAge); + } + + if (MinAge != 0 || ValidUntil != 0 || MaxAge != 0) + { + if (MinAge != 0 && ValidUntil != 0) { + time_t const min_date = Date + MinAge; + if (ValidUntil < min_date) + ValidUntil = min_date; + } + if (MaxAge != 0 && Date != 0) { + time_t const max_date = Date + MaxAge; + if (ValidUntil == 0 || ValidUntil > max_date) + ValidUntil = max_date; + } + } } + + /* as the Release file is parsed only after it was verified, the Signed-By field + does not effect the current, but the "next" Release file */ + auto Sign = Section.FindS("Signed-By"); + if (Sign.empty() == false) + { + std::transform(Sign.begin(), Sign.end(), Sign.begin(), [&](char const c) { + return (isspace(c) == 0) ? c : ','; + }); + auto fingers = VectorizeString(Sign, ','); + std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) { + std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper); + if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos) + { + if (ErrorText != NULL) + strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Signed-By", Filename.c_str()); + return std::string(); + } + return finger; + }); + if (fingers.empty() == false && std::find(fingers.begin(), fingers.end(), "") == fingers.end()) + { + std::stringstream os; + std::copy(fingers.begin(), fingers.end(), std::ostream_iterator(os, ",")); + SignedBy = os.str(); + } + } + + if (AuthPossible) + LoadedSuccessfully = TRI_YES; + return AuthPossible; +} + /*}}}*/ +metaIndex * debReleaseIndex::UnloadedClone() const /*{{{*/ +{ + if (Trusted == TRI_NO) + return new debReleaseIndex(URI, Dist, false, d->ReleaseOptions); + else if (Trusted == TRI_YES) + return new debReleaseIndex(URI, Dist, true, d->ReleaseOptions); else - return URI + "dists/" + Dist + "/" + TranslationIndexURISuffix(Type, Section); + return new debReleaseIndex(URI, Dist, d->ReleaseOptions); } + /*}}}*/ +bool debReleaseIndex::parseSumData(const char *&Start, const char *End, /*{{{*/ + std::string &Name, std::string &Hash, unsigned long long &Size) +{ + Name = ""; + Hash = ""; + Size = 0; + /* Skip over the first blank */ + while ((*Start == '\t' || *Start == ' ' || *Start == '\n' || *Start == '\r') + && Start < End) + Start++; + if (Start >= End) + return false; -debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) { - this->URI = URI; - this->Dist = Dist; - this->Indexes = NULL; - this->Type = "deb"; -} + /* Move EntryEnd to the end of the first entry (the hash) */ + const char *EntryEnd = Start; + while ((*EntryEnd != '\t' && *EntryEnd != ' ') + && EntryEnd < End) + EntryEnd++; + if (EntryEnd == End) + return false; -debReleaseIndex::~debReleaseIndex() { - for (map >::const_iterator A = ArchEntries.begin(); - A != ArchEntries.end(); ++A) - for (vector::const_iterator S = A->second.begin(); - S != A->second.end(); ++S) - delete *S; -} + Hash.append(Start, EntryEnd-Start); -vector * debReleaseIndex::ComputeIndexTargets() const { - vector * IndexTargets = new vector ; - - map >::const_iterator const src = ArchEntries.find("source"); - if (src != ArchEntries.end()) { - vector const SectionEntries = src->second; - for (vector::const_iterator I = SectionEntries.begin(); - I != SectionEntries.end(); ++I) { - IndexTarget * Target = new IndexTarget(); - Target->ShortDesc = "Sources"; - Target->MetaKey = SourceIndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section); - Target->URI = SourceIndexURI(Target->ShortDesc.c_str(), (*I)->Section); - Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section); - IndexTargets->push_back (Target); - } - } - - // Only source release - if (IndexTargets->empty() == false && ArchEntries.size() == 1) - return IndexTargets; - - std::set sections; - for (map >::const_iterator a = ArchEntries.begin(); - a != ArchEntries.end(); ++a) { - if (a->first == "source") - continue; - for (vector ::const_iterator I = a->second.begin(); - I != a->second.end(); ++I) { - IndexTarget * Target = new IndexTarget(); - Target->ShortDesc = "Packages"; - Target->MetaKey = IndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section, a->first); - Target->URI = IndexURI(Target->ShortDesc.c_str(), (*I)->Section, a->first); - Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section, a->first); - IndexTargets->push_back (Target); - sections.insert((*I)->Section); - } - } - - std::vector const lang = APT::Configuration::getLanguages(true); - if (lang.empty() == true) - return IndexTargets; - - // get the Translations: - // - if its a dists-style repository get the i18n/Index first - // - if its flat try to acquire files by guessing - if (Dist[Dist.size() - 1] == '/') { - for (std::set::const_iterator s = sections.begin(); - s != sections.end(); ++s) { - for (std::vector::const_iterator l = lang.begin(); - l != lang.end(); l++) { - if (*l == "none") continue; - IndexTarget * Target = new OptionalIndexTarget(); - Target->ShortDesc = "Translation-" + *l; - Target->MetaKey = TranslationIndexURISuffix(l->c_str(), *s); - Target->URI = TranslationIndexURI(l->c_str(), *s); - Target->Description = Info (Target->ShortDesc.c_str(), *s); - IndexTargets->push_back(Target); - } - } - } else { - for (std::set::const_iterator s = sections.begin(); - s != sections.end(); ++s) { - IndexTarget * Target = new OptionalIndexTarget(); - Target->ShortDesc = "TranslationIndex"; - Target->MetaKey = TranslationIndexURISuffix("Index", *s); - Target->URI = TranslationIndexURI("Index", *s); - Target->Description = Info (Target->ShortDesc.c_str(), *s); - IndexTargets->push_back (Target); - } - } - - return IndexTargets; + /* Skip over intermediate blanks */ + Start = EntryEnd; + while (*Start == '\t' || *Start == ' ') + Start++; + if (Start >= End) + return false; + + EntryEnd = Start; + /* Find the end of the second entry (the size) */ + while ((*EntryEnd != '\t' && *EntryEnd != ' ' ) + && EntryEnd < End) + EntryEnd++; + if (EntryEnd == End) + return false; + + Size = strtoull (Start, NULL, 10); + + /* Skip over intermediate blanks */ + Start = EntryEnd; + while (*Start == '\t' || *Start == ' ') + Start++; + if (Start >= End) + return false; + + EntryEnd = Start; + /* Find the end of the third entry (the filename) */ + while ((*EntryEnd != '\t' && *EntryEnd != ' ' && + *EntryEnd != '\n' && *EntryEnd != '\r') + && EntryEnd < End) + EntryEnd++; + + Name.append(Start, EntryEnd-Start); + Start = EntryEnd; //prepare for the next round + return true; } /*}}}*/ -bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const + +bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll)/*{{{*/ { +#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, false, d->ReleaseOptions) + pkgAcqMetaClearSig * const TransactionManager = new pkgAcqMetaClearSig(Owner, + APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"), this); +#undef APT_TARGET // special case for --print-uris - if (GetAll) { - vector *targets = ComputeIndexTargets(); - for (vector ::const_iterator Target = targets->begin(); Target != targets->end(); Target++) { - new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description, - (*Target)->ShortDesc, HashString()); + if (GetAll) + for (auto const &Target: GetIndexTargets()) + if (Target.Option(IndexTarget::FALLBACK_OF).empty()) + new pkgAcqIndex(Owner, TransactionManager, Target); + + return true; +} + /*}}}*/ +// ReleaseIndex::Set* TriState options /*{{{*/ +bool debReleaseIndex::SetTrusted(TriState const pTrusted) +{ + if (Trusted == TRI_UNSET) + Trusted = pTrusted; + else if (Trusted != pTrusted) + // TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Trusted", URI.c_str(), Dist.c_str()); + return true; +} +bool debReleaseIndex::SetCheckValidUntil(TriState const pCheckValidUntil) +{ + if (d->CheckValidUntil == TRI_UNSET) + d->CheckValidUntil = pCheckValidUntil; + else if (d->CheckValidUntil != pCheckValidUntil) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Check-Valid-Until", URI.c_str(), Dist.c_str()); + return true; +} +bool debReleaseIndex::SetValidUntilMin(time_t const Valid) +{ + if (d->ValidUntilMin == 0) + d->ValidUntilMin = Valid; + else if (d->ValidUntilMin != Valid) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Min-ValidTime", URI.c_str(), Dist.c_str()); + return true; +} +bool debReleaseIndex::SetValidUntilMax(time_t const Valid) +{ + if (d->ValidUntilMax == 0) + d->ValidUntilMax = Valid; + else if (d->ValidUntilMax != Valid) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Max-ValidTime", URI.c_str(), Dist.c_str()); + return true; +} +bool debReleaseIndex::SetSignedBy(std::string const &pSignedBy) +{ + if (SignedBy.empty() == true && pSignedBy.empty() == false) + { + if (pSignedBy[0] == '/') // no check for existence as we could be chrooting later or such things + SignedBy = pSignedBy; // absolute path to a keyring file + else + { + // we could go all fancy and allow short/long/string matches as gpgv/apt-key does, + // but fingerprints are harder to fake than the others and this option is set once, + // not interactively all the time so easy to type is not really a concern. + auto fingers = VectorizeString(pSignedBy, ','); + std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) { + std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper); + if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos) + { + _error->Error(_("Invalid value set for option %s regarding source %s %s (%s)"), "Signed-By", URI.c_str(), Dist.c_str(), "not a fingerprint"); + return std::string(); + } + return finger; + }); + std::stringstream os; + std::copy(fingers.begin(), fingers.end(), std::ostream_iterator(os, ",")); + SignedBy = os.str(); } + // Normalize the string: Remove trailing commas + while (SignedBy[SignedBy.size() - 1] == ',') + SignedBy.resize(SignedBy.size() - 1); } - - new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"), - MetaIndexInfo("InRelease"), "InRelease", - MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", - MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg", - ComputeIndexTargets(), - new indexRecords (Dist)); - - return true; + else { + // Only compare normalized strings + auto pSignedByView = APT::StringView(pSignedBy); + while (pSignedByView[pSignedByView.size() - 1] == ',') + pSignedByView = pSignedByView.substr(0, pSignedByView.size() - 1); + if (pSignedByView != SignedBy) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s: %s != %s"), "Signed-By", URI.c_str(), Dist.c_str(), SignedBy.c_str(), pSignedByView.to_string().c_str()); + } + return true; } - + /*}}}*/ +// ReleaseIndex::IsTrusted /*{{{*/ bool debReleaseIndex::IsTrusted() const { + if (Trusted == TRI_YES) + return true; + else if (Trusted == TRI_NO) + return false; + + if(_config->FindB("APT::Authentication::TrustCDROM", false)) if(URI.substr(0,strlen("cdrom:")) == "cdrom:") return true; - string VerifiedSigFile = _config->FindDir("Dir::State::lists") + - URItoFileName(MetaIndexURI("Release")) + ".gpg"; - - if (FileExists(VerifiedSigFile)) + if (FileExists(MetaIndexFile("Release.gpg"))) return true; - VerifiedSigFile = _config->FindDir("Dir::State::lists") + - URItoFileName(MetaIndexURI("InRelease")); - - return FileExists(VerifiedSigFile); + return FileExists(MetaIndexFile("InRelease")); } + /*}}}*/ +bool debReleaseIndex::IsArchitectureSupported(std::string const &arch) const/*{{{*/ +{ + if (d->Architectures.empty()) + return true; + return std::find(d->Architectures.begin(), d->Architectures.end(), arch) != d->Architectures.end(); +} + /*}}}*/ +bool debReleaseIndex::IsArchitectureAllSupportedFor(IndexTarget const &target) const/*{{{*/ +{ + if (d->NoSupportForAll.empty()) + return true; + return std::find(d->NoSupportForAll.begin(), d->NoSupportForAll.end(), target.Option(IndexTarget::CREATED_BY)) == d->NoSupportForAll.end(); +} + /*}}}*/ +std::vector *debReleaseIndex::GetIndexFiles() /*{{{*/ +{ + if (Indexes != NULL) + return Indexes; -vector *debReleaseIndex::GetIndexFiles() { - if (Indexes != NULL) - return Indexes; - - Indexes = new vector ; - map >::const_iterator const src = ArchEntries.find("source"); - if (src != ArchEntries.end()) { - vector const SectionEntries = src->second; - for (vector::const_iterator I = SectionEntries.begin(); - I != SectionEntries.end(); I++) - Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted())); - } - - // Only source release - if (Indexes->empty() == false && ArchEntries.size() == 1) - return Indexes; - - std::vector const lang = APT::Configuration::getLanguages(true); - map > sections; - for (map >::const_iterator a = ArchEntries.begin(); - a != ArchEntries.end(); ++a) { - if (a->first == "source") - continue; - for (vector::const_iterator I = a->second.begin(); - I != a->second.end(); I++) { - Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first)); - sections[(*I)->Section].insert(lang.begin(), lang.end()); - } - } - - for (map >::const_iterator s = sections.begin(); - s != sections.end(); ++s) - for (set::const_iterator l = s->second.begin(); - l != s->second.end(); l++) { - if (*l == "none") continue; - Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str())); - } - - return Indexes; + Indexes = new std::vector(); + bool const istrusted = IsTrusted(); + for (auto const &T: GetIndexTargets()) + { + std::string const TargetName = T.Option(IndexTarget::CREATED_BY); + if (TargetName == "Packages") + Indexes->push_back(new debPackagesIndex(T, istrusted)); + else if (TargetName == "Sources") + Indexes->push_back(new debSourcesIndex(T, istrusted)); + else if (TargetName == "Translations") + Indexes->push_back(new debTranslationsIndex(T)); + } + return Indexes; +} + /*}}}*/ +std::map debReleaseIndex::GetReleaseOptions() +{ + return d->ReleaseOptions; } -void debReleaseIndex::PushSectionEntry(vector const &Archs, const debSectionEntry *Entry) { - for (vector::const_iterator a = Archs.begin(); - a != Archs.end(); ++a) - ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc)); - delete Entry; +static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/ +{ + ReleaseFile = That->MetaIndexFile("InRelease"); + bool releaseExists = false; + if (FileExists(ReleaseFile) == true) + releaseExists = true; + else + { + ReleaseFile = That->MetaIndexFile("Release"); + if (FileExists(ReleaseFile)) + releaseExists = true; + } + return releaseExists; } + /*}}}*/ +bool debReleaseIndex::Merge(pkgCacheGenerator &Gen,OpProgress * /*Prog*/) const/*{{{*/ +{ + std::string ReleaseFile; + bool const releaseExists = ReleaseFileName(this, ReleaseFile); + + ::URI Tmp(URI); + if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false) + return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str()); + + if (releaseExists == false) + return true; + + FileFd Rel; + // Beware: The 'Release' file might be clearsigned in case the + // signature for an 'InRelease' file couldn't be checked + if (OpenMaybeClearSignedFile(ReleaseFile, Rel) == false) + return false; + + // Store the IMS information + pkgCache::RlsFileIterator File = Gen.GetCurRlsFile(); + pkgCacheGenerator::Dynamic DynFile(File); + // Rel can't be used as this is potentially a temporary file + struct stat Buf; + if (stat(ReleaseFile.c_str(), &Buf) != 0) + return _error->Errno("fstat", "Unable to stat file %s", ReleaseFile.c_str()); + File->Size = Buf.st_size; + File->mtime = Buf.st_mtime; + + pkgTagFile TagFile(&Rel, Rel.Size()); + pkgTagSection Section; + if (Rel.IsOpen() == false || Rel.Failed() || TagFile.Step(Section) == false) + return false; -void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) { - ArchEntries[Arch].push_back(Entry); + std::string data; + #define APT_INRELEASE(TYPE, TAG, STORE) \ + data = Section.FindS(TAG); \ + if (data.empty() == false) \ + { \ + map_stringitem_t const storage = Gen.StoreString(pkgCacheGenerator::TYPE, data); \ + if (storage == 0) return false; \ + STORE = storage; \ + } + APT_INRELEASE(MIXED, "Suite", File->Archive) + APT_INRELEASE(VERSIONNUMBER, "Version", File->Version) + APT_INRELEASE(MIXED, "Origin", File->Origin) + APT_INRELEASE(MIXED, "Codename", File->Codename) + APT_INRELEASE(MIXED, "Label", File->Label) + #undef APT_INRELEASE + Section.FindFlag("NotAutomatic", File->Flags, pkgCache::Flag::NotAutomatic); + Section.FindFlag("ButAutomaticUpgrades", File->Flags, pkgCache::Flag::ButAutomaticUpgrades); + + return true; } + /*}}}*/ +// ReleaseIndex::FindInCache - Find this index /*{{{*/ +pkgCache::RlsFileIterator debReleaseIndex::FindInCache(pkgCache &Cache, bool const ModifyCheck) const +{ + std::string ReleaseFile; + bool const releaseExists = ReleaseFileName(this, ReleaseFile); + + pkgCache::RlsFileIterator File = Cache.RlsFileBegin(); + for (; File.end() == false; ++File) + { + if (File->FileName == 0 || ReleaseFile != File.FileName()) + continue; + + // empty means the file does not exist by "design" + if (ModifyCheck == false || (releaseExists == false && File->Size == 0)) + return File; + + struct stat St; + if (stat(File.FileName(),&St) != 0) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "ReleaseIndex::FindInCache - stat failed on " << File.FileName() << std::endl; + return pkgCache::RlsFileIterator(Cache); + } + if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "ReleaseIndex::FindInCache - size (" << St.st_size << " <> " << File->Size + << ") or mtime (" << St.st_mtime << " <> " << File->mtime + << ") doesn't match for " << File.FileName() << std::endl; + return pkgCache::RlsFileIterator(Cache); + } + return File; + } -void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) { - if (Entry->IsSrc == true) - PushSectionEntry("source", Entry); - else { - for (map >::iterator a = ArchEntries.begin(); - a != ArchEntries.end(); ++a) { - a->second.push_back(Entry); - } - } + return File; } + /*}}}*/ -debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section, - bool const &IsSrc): Section(Section), IsSrc(IsSrc) -{} +static std::vector parsePlusMinusOptions(std::string const &Name, /*{{{*/ + std::map const &Options, std::vector const &defaultValues) +{ + std::map::const_iterator val = Options.find(Name); + std::vector Values; + if (val != Options.end()) + Values = VectorizeString(val->second, ','); + else + Values = defaultValues; + + // all is a very special architecture users shouldn't be concerned with explicitly + if (Name == "arch" && std::find(Values.begin(), Values.end(), "all") == Values.end()) + Values.push_back("all"); -class debSLTypeDebian : public pkgSourceList::Type + if ((val = Options.find(Name + "+")) != Options.end()) + { + std::vector const plus = VectorizeString(val->second, ','); + std::copy_if(plus.begin(), plus.end(), std::back_inserter(Values), [&Values](std::string const &v) { + return std::find(Values.begin(), Values.end(), v) == Values.end(); + }); + } + if ((val = Options.find(Name + "-")) != Options.end()) + { + std::vector const minus = VectorizeString(val->second, ','); + Values.erase(std::remove_if(Values.begin(), Values.end(), [&minus](std::string const &v) { + return std::find(minus.begin(), minus.end(), v) != minus.end(); + }), Values.end()); + } + return Values; +} + /*}}}*/ +class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type /*{{{*/ { + metaIndex::TriState GetTriStateOption(std::mapconst &Options, char const * const name) const + { + std::map::const_iterator const opt = Options.find(name); + if (opt != Options.end()) + return StringToBool(opt->second, false) ? metaIndex::TRI_YES : metaIndex::TRI_NO; + return metaIndex::TRI_DONTCARE; + } + + static time_t GetTimeOption(std::mapconst &Options, char const * const name) + { + std::map::const_iterator const opt = Options.find(name); + if (opt == Options.end()) + return 0; + return strtoull(opt->second.c_str(), NULL, 10); + } + + static bool GetBoolOption(std::map const &Options, char const * const name, bool const defVal) + { + std::map::const_iterator const opt = Options.find(name); + if (opt == Options.end()) + return defVal; + return StringToBool(opt->second, defVal); + } + + static std::vector GetMapKeys(std::map const &Options) + { + std::vector ret; + ret.reserve(Options.size()); + for (auto &&O: Options) + ret.emplace_back(O.first); + std::sort(ret.begin(), ret.end()); + return ret; + } + + static bool MapsAreEqual(std::map const &OptionsA, + std::map const &OptionsB, + std::string const &URI, std::string const &Dist) + { + auto const KeysA = GetMapKeys(OptionsA); + auto const KeysB = GetMapKeys(OptionsB); + auto const m = std::mismatch(KeysA.begin(), KeysA.end(), KeysB.begin()); + if (m.first != KeysA.end()) + { + if (std::find(KeysB.begin(), KeysB.end(), *m.first) == KeysB.end()) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.first->c_str(), "", ""); + else + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.second->c_str(), "", ""); + } + if (m.second != KeysB.end()) + { + if (std::find(KeysA.begin(), KeysA.end(), *m.second) == KeysA.end()) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.first->c_str(), "", ""); + else + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.second->c_str(), "", ""); + } + for (auto&& key: KeysA) + { + if (key == "BASE_URI" || key == "REPO_URI") + continue; + auto const a = OptionsA.find(key); + auto const b = OptionsB.find(key); + if (unlikely(a == OptionsA.end() || b == OptionsB.end()) || a->second != b->second) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), key.c_str(), URI.c_str(), Dist.c_str()); + } + return true; + } + protected: - bool CreateItemInternal(vector &List, string const &URI, - string const &Dist, string const &Section, - bool const &IsSrc, map const &Options) const + bool CreateItemInternal(std::vector &List, std::string const &URI, + std::string const &Dist, std::string const &Section, + bool const &IsSrc, std::map const &Options) const { - map::const_iterator const arch = Options.find("arch"); - vector const Archs = - (arch != Options.end()) ? VectorizeString(arch->second, ',') : - APT::Configuration::getArchitectures(); + std::map ReleaseOptions = {{ + { "BASE_URI", constructMetaIndexURI(URI, Dist, "") }, + { "REPO_URI", URI }, + }}; + if (GetBoolOption(Options, "allow-insecure", _config->FindB("Acquire::AllowInsecureRepositories"))) + ReleaseOptions.emplace("ALLOW_INSECURE", "true"); + if (GetBoolOption(Options, "allow-weak", _config->FindB("Acquire::AllowWeakRepositories"))) + ReleaseOptions.emplace("ALLOW_WEAK", "true"); + if (GetBoolOption(Options, "allow-downgrade-to-insecure", _config->FindB("Acquire::AllowDowngradeToInsecureRepositories"))) + ReleaseOptions.emplace("ALLOW_DOWNGRADE_TO_INSECURE", "true"); - for (vector::const_iterator I = List.begin(); - I != List.end(); I++) + debReleaseIndex * Deb = nullptr; + std::string const FileName = URItoFileName(constructMetaIndexURI(URI, Dist, "Release")); + for (auto const &I: List) { // We only worry about debian entries here - if (strcmp((*I)->GetType(), "deb") != 0) + if (strcmp(I->GetType(), "deb") != 0) + continue; + + auto const D = dynamic_cast(I); + if (unlikely(D == nullptr)) continue; - debReleaseIndex *Deb = (debReleaseIndex *) (*I); - /* This check insures that there will be only one Release file + /* This check ensures that there will be only one Release file queued for all the Packages files and Sources files it corresponds to. */ - if (Deb->GetURI() == URI && Deb->GetDist() == Dist) + if (URItoFileName(D->MetaIndexURI("Release")) == FileName) + { + if (MapsAreEqual(ReleaseOptions, D->GetReleaseOptions(), URI, Dist) == false) + return false; + Deb = D; + break; + } + } + + // No currently created Release file indexes this entry, so we create a new one. + if (Deb == nullptr) + { + Deb = new debReleaseIndex(URI, Dist, ReleaseOptions); + List.push_back(Deb); + } + + std::vector const alltargets = _config->FindVector(std::string("Acquire::IndexTargets::") + Name, "", true); + std::vector deftargets; + deftargets.reserve(alltargets.size()); + std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(deftargets), [&](std::string const &t) { + std::string c = "Acquire::IndexTargets::"; + c.append(Name).append("::").append(t).append("::DefaultEnabled"); + return _config->FindB(c, true); + }); + std::vector mytargets = parsePlusMinusOptions("target", Options, deftargets); + for (auto const &target : alltargets) + { + std::map::const_iterator const opt = Options.find(target); + if (opt == Options.end()) + continue; + auto const idMatch = [&](std::string const &t) { + return target == _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + t + "::Identifier", t); + }; + if (StringToBool(opt->second)) + std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(mytargets), idMatch); + else + mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), idMatch), mytargets.end()); + } + // if we can't order it in a 1000 steps we give up… probably a cycle + for (auto i = 0; i < 1000; ++i) + { + bool Changed = false; + for (auto t = mytargets.begin(); t != mytargets.end(); ++t) { - if (IsSrc == true) - Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc)); - else + std::string const fallback = _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + *t + "::Fallback-Of"); + if (fallback.empty()) + continue; + auto const faller = std::find(mytargets.begin(), mytargets.end(), fallback); + if (faller == mytargets.end() || faller < t) + continue; + Changed = true; + auto const tv = *t; + mytargets.erase(t); + mytargets.emplace_back(tv); + } + if (Changed == false) + break; + } + // remove duplicates without changing the order (in first appearance) + { + std::set seenOnce; + mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), [&](std::string const &t) { + return seenOnce.insert(t).second == false; + }), mytargets.end()); + } + + bool const UsePDiffs = GetBoolOption(Options, "pdiffs", _config->FindB("Acquire::PDiffs", true)); + + std::string UseByHash = _config->Find("APT::Acquire::By-Hash", "yes"); + UseByHash = _config->Find("Acquire::By-Hash", UseByHash); + { + std::string const host = ::URI(URI).Host; + UseByHash = _config->Find("APT::Acquire::" + host + "::By-Hash", UseByHash); + UseByHash = _config->Find("Acquire::" + host + "::By-Hash", UseByHash); + std::map::const_iterator const opt = Options.find("by-hash"); + if (opt != Options.end()) + UseByHash = opt->second; + } + + auto const entry = Options.find("sourceslist-entry"); + Deb->AddComponent( + entry->second, + IsSrc, + Section, + mytargets, + parsePlusMinusOptions("arch", Options, APT::Configuration::getArchitectures()), + parsePlusMinusOptions("lang", Options, APT::Configuration::getLanguages(true)), + UsePDiffs, + UseByHash + ); + + if (Deb->SetTrusted(GetTriStateOption(Options, "trusted")) == false || + Deb->SetCheckValidUntil(GetTriStateOption(Options, "check-valid-until")) == false || + Deb->SetValidUntilMax(GetTimeOption(Options, "valid-until-max")) == false || + Deb->SetValidUntilMin(GetTimeOption(Options, "valid-until-min")) == false) + return false; + + std::map::const_iterator const signedby = Options.find("signed-by"); + if (signedby == Options.end()) + { + bool alreadySet = false; + std::string filename; + if (ReleaseFileName(Deb, filename)) + { + auto OldDeb = Deb->UnloadedClone(); + _error->PushToStack(); + OldDeb->Load(filename, nullptr); + bool const goodLoad = _error->PendingError() == false; + _error->RevertToStack(); + if (goodLoad) { - if (Dist[Dist.size() - 1] == '/') - Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc)); - else - Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc)); + if (OldDeb->GetValidUntil() > 0) + { + time_t const invalid_since = time(NULL) - OldDeb->GetValidUntil(); + if (invalid_since <= 0) + { + Deb->SetSignedBy(OldDeb->GetSignedBy()); + alreadySet = true; + } + } } - return true; + delete OldDeb; } + if (alreadySet == false && Deb->SetSignedBy("") == false) + return false; } - // No currently created Release file indexes this entry, so we create a new one. - // XXX determine whether this release is trusted or not - debReleaseIndex *Deb = new debReleaseIndex(URI, Dist); - if (IsSrc == true) - Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc)); else { - if (Dist[Dist.size() - 1] == '/') - Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc)); - else - Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc)); + if (Deb->SetSignedBy(signedby->second) == false) + return false; } - List.push_back(Deb); + return true; } -}; -class debSLTypeDeb : public debSLTypeDebian + debSLTypeDebian(char const * const Name, char const * const Label) : Type(Name, Label) + { + } +}; + /*}}}*/ +class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian /*{{{*/ { public: - bool CreateItem(vector &List, string const &URI, - string const &Dist, string const &Section, - std::map const &Options) const + bool CreateItem(std::vector &List, std::string const &URI, + std::string const &Dist, std::string const &Section, + std::map const &Options) const APT_OVERRIDE { return CreateItemInternal(List, URI, Dist, Section, false, Options); } - debSLTypeDeb() + debSLTypeDeb() : debSLTypeDebian("deb", "Debian binary tree") { - Name = "deb"; - Label = "Standard Debian binary tree"; - } + } }; - -class debSLTypeDebSrc : public debSLTypeDebian + /*}}}*/ +class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian /*{{{*/ { public: - bool CreateItem(vector &List, string const &URI, - string const &Dist, string const &Section, - std::map const &Options) const + bool CreateItem(std::vector &List, std::string const &URI, + std::string const &Dist, std::string const &Section, + std::map const &Options) const APT_OVERRIDE { return CreateItemInternal(List, URI, Dist, Section, true, Options); } - - debSLTypeDebSrc() + + debSLTypeDebSrc() : debSLTypeDebian("deb-src", "Debian source tree") { - Name = "deb-src"; - Label = "Standard Debian source tree"; - } + } }; + /*}}}*/ -debSLTypeDeb _apt_DebType; -debSLTypeDebSrc _apt_DebSrcType; +APT_HIDDEN debSLTypeDeb _apt_DebType; +APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;