X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/1da3b7b8e15b642135b54684e70a0c271471f07a..607bab3fe856d228f22e1cd96dbb7204e2f3375d:/apt-pkg/deb/debmetaindex.cc diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc index d4e340be0..97f881269 100644 --- a/apt-pkg/deb/debmetaindex.cc +++ b/apt-pkg/deb/debmetaindex.cc @@ -1,5 +1,6 @@ #include +#include #include #include #include @@ -7,25 +8,57 @@ #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::MetaIndexInfo(const char *Type) const +class APT_HIDDEN debReleaseIndexPrivate /*{{{*/ { - string Info = ::URI::ArchiveOnly(URI) + ' '; + public: + struct APT_HIDDEN debSectionEntry + { + std::string sourcesEntry; + std::string Name; + std::vector Targets; + std::vector Architectures; + std::vector Languages; + bool UsePDiffs; + std::string UseByHash; + }; + + std::vector DebEntries; + std::vector DebSrcEntries; + + metaIndex::TriState CheckValidUntil; + time_t ValidUntilMin; + time_t ValidUntilMax; + + std::vector Architectures; + std::vector NoSupportForAll; + + debReleaseIndexPrivate() : CheckValidUntil(metaIndex::TRI_UNSET), ValidUntilMin(0), ValidUntilMax(0) {} +}; + /*}}}*/ +// ReleaseIndex::MetaIndex* - display helpers /*{{{*/ +std::string debReleaseIndex::MetaIndexInfo(const char *Type) const +{ + std::string Info = ::URI::ArchiveOnly(URI) + ' '; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") @@ -37,16 +70,20 @@ 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 +std::string debReleaseIndex::MetaIndexURI(const char *Type) const { - string Res; + std::string Res; if (Dist == "/") Res = URI; @@ -58,42 +95,25 @@ string debReleaseIndex::MetaIndexURI(const char *Type) const Res += Type; return Res; } - -std::string debReleaseIndex::LocalFileName() const -{ - // see if we have a InRelease file - std::string PathInRelease = MetaIndexFile("InRelease"); - if (FileExists(PathInRelease)) - return PathInRelease; - - // and if not return the normal one - if (FileExists(PathInRelease)) - return MetaIndexFile("Release"); - - return ""; -} - -debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) : - metaIndex(URI, Dist, "deb"), Trusted(CHECK_TRUST) + /*}}}*/ +// ReleaseIndex Con- and Destructors /*{{{*/ +debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist) : + metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate()) {} - -debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist, bool const Trusted) : - metaIndex(URI, Dist, "deb") { - SetTrusted(Trusted); +debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, bool const pTrusted) : + metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate()) +{ + Trusted = pTrusted ? TRI_YES : TRI_NO; } - 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; + if (d != NULL) + delete d; } - -template -void foreachTarget(std::string const URI, std::string const Dist, - std::map > const &ArchEntries, - CallC &Call) + /*}}}*/ +// ReleaseIndex::GetIndexTargets /*{{{*/ +static void GetIndexTargetsFor(char const * const Type, std::string const &URI, std::string const &Dist, + std::vector const &entries, + std::vector &IndexTargets) { bool const flatArchive = (Dist[Dist.length() - 1] == '/'); std::string baseURI = URI; @@ -106,175 +126,532 @@ void foreachTarget(std::string const URI, std::string const Dist, baseURI += "dists/" + Dist + "/"; std::string const Release = (Dist == "/") ? "" : Dist; std::string const Site = ::URI::ArchiveOnly(URI); - std::vector lang = APT::Configuration::getLanguages(true); - if (lang.empty()) - lang.push_back("none"); - map >::const_iterator const src = ArchEntries.find("source"); - if (src != ArchEntries.end()) + + std::string DefCompressionTypes; + { + 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(); + } + } + 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::string const NativeArch = _config->Find("APT::Architecture"); + bool const GzipIndex = _config->FindB("Acquire::GzipIndexes", false); + for (std::vector::const_iterator E = entries.begin(); E != entries.end(); ++E) { - std::vector const targets = _config->FindVector("APT::Acquire::Targets::deb-src", "", true); - for (std::vector::const_iterator T = targets.begin(); T != targets.end(); ++T) + for (std::vector::const_iterator T = E->Targets.begin(); T != E->Targets.end(); ++T) { -#define APT_T_CONFIG(X) _config->Find(std::string("APT::Acquire::Targets::deb-src::") + *T + "::" + (X)) - std::string const MetaKey = APT_T_CONFIG(flatArchive ? "flatMetaKey" : "MetaKey"); - std::string const ShortDesc = APT_T_CONFIG("ShortDescription"); - std::string const LongDesc = APT_T_CONFIG(flatArchive ? "flatDescription" : "Description"); - bool const IsOptional = _config->FindB(std::string("APT::Acquire::Targets::deb-src::") + *T + "::Optional", true); -#undef APT_T_CONFIG - if (MetaKey.empty()) +#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 = "$(SITE) " + APT_T_CONFIG_STR(flatArchive ? "flatDescription" : "Description", ""); + bool const IsOptional = APT_T_CONFIG_BOOL("Optional", true); + bool const KeepCompressed = APT_T_CONFIG_BOOL("KeepCompressed", GzipIndex); + bool const DefaultEnabled = APT_T_CONFIG_BOOL("DefaultEnabled", true); + bool const UsePDiffs = APT_T_CONFIG_BOOL("PDiffs", E->UsePDiffs); + std::string const UseByHash = APT_T_CONFIG_STR("By-Hash", E->UseByHash); + std::string const CompressionTypes = APT_T_CONFIG_STR("CompressionTypes", DefCompressionTypes); + std::string KeepCompressedAs = APT_T_CONFIG_STR("KeepCompressedAs", ""); +#undef APT_T_CONFIG_BOOL +#undef APT_T_CONFIG_STR + if (tplMetaKey.empty()) continue; - vector const SectionEntries = src->second; - for (vector::const_iterator I = SectionEntries.begin(); - I != SectionEntries.end(); ++I) + if (KeepCompressedAs.empty()) + KeepCompressedAs = DefKeepCompressedAs; + else { - for (vector::const_iterator l = lang.begin(); l != lang.end(); ++l) + std::vector const defKeep = VectorizeString(DefKeepCompressedAs, ' '); + std::vector const valKeep = VectorizeString(KeepCompressedAs, ' '); + std::vector keep; + for (auto const &val : valKeep) { - if (*l == "none" && MetaKey.find("$(LANGUAGE)") != std::string::npos) + 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("$(LANGUAGE)") != std::string::npos) + continue; + + for (std::vector::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A) + { + // available in templates std::map Options; Options.insert(std::make_pair("SITE", Site)); Options.insert(std::make_pair("RELEASE", Release)); - Options.insert(std::make_pair("COMPONENT", (*I)->Section)); - Options.insert(std::make_pair("LANGUAGE", *l)); - Options.insert(std::make_pair("ARCHITECTURE", "source")); + if (tplMetaKey.find("$(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; + for (std::map::const_iterator O = Options.begin(); O != Options.end(); ++O) + { + MetaKey = SubstVar(MetaKey, std::string("$(") + O->first + ")", O->second); + ShortDesc = SubstVar(ShortDesc, std::string("$(") + O->first + ")", O->second); + LongDesc = SubstVar(LongDesc, std::string("$(") + O->first + ")", O->second); + } + + { + auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) { + return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) && + E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T == IT.Option(IndexTarget::CREATED_BY); + }); + if (dup != IndexTargets.end()) + { + if (tplMetaKey.find("$(ARCHITECTURE)") == 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("$(ARCHITECTURE)") == std::string::npos) + break; + continue; + } + } + + { + auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &T) { + return MetaKey == T.MetaKey && baseURI == T.Option(IndexTarget::BASE_URI) && + E->sourcesEntry != T.Option(IndexTarget::SOURCESENTRY); + }); + if (dup != IndexTargets.end()) + { + std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY); + //TRANSLATOR: an identifier like Packages; Releasefile key indicating + // a file like main/binary-amd64/Packages; filename and linenumber of + // two sources.list entries + _error->Warning(_("Target %s (%s) is configured multiple times in %s and %s"), + T->c_str(), MetaKey.c_str(), dupEntry.c_str(), E->sourcesEntry.c_str()); + if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos) + break; + continue; + } + } + + // not available in templates, but in the indextarget Options.insert(std::make_pair("BASE_URI", baseURI)); + Options.insert(std::make_pair("REPO_URI", URI)); + Options.insert(std::make_pair("TARGET_OF", Type)); Options.insert(std::make_pair("CREATED_BY", *T)); - Call(MetaKey, ShortDesc, LongDesc, IsOptional, Options); - - if (MetaKey.find("$(LANGUAGE)") == std::string::npos) + Options.insert(std::make_pair("PDIFFS", UsePDiffs ? "yes" : "no")); + Options.insert(std::make_pair("BY_HASH", UseByHash)); + Options.insert(std::make_pair("DEFAULTENABLED", DefaultEnabled ? "yes" : "no")); + Options.insert(std::make_pair("COMPRESSIONTYPES", CompressionTypes)); + Options.insert(std::make_pair("KEEPCOMPRESSEDAS", KeepCompressedAs)); + Options.insert(std::make_pair("SOURCESENTRY", E->sourcesEntry)); + + bool IsOpt = IsOptional; + if (IsOpt == false) + { + auto const arch = Options.find("ARCHITECTURE"); + if (arch != Options.end() && arch->second == "all") + IsOpt = true; + } + + IndexTarget Target( + MetaKey, + ShortDesc, + LongDesc, + Options.find("BASE_URI")->second + MetaKey, + IsOpt, + KeepCompressed, + Options + ); + IndexTargets.push_back(Target); + + if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos) break; + } - if (MetaKey.find("$(COMPONENT)") == std::string::npos) + if (tplMetaKey.find("$(LANGUAGE)") == std::string::npos) break; + } + } } +} +std::vector debReleaseIndex::GetIndexTargets() const +{ + std::vector IndexTargets; + GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets); + GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets); + 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); +} + /*}}}*/ + +bool debReleaseIndex::Load(std::string const &Filename, std::string * const ErrorText)/*{{{*/ +{ + LoadedSuccessfully = TRI_NO; + FileFd Fd; + if (OpenMaybeClearSignedFile(Filename, Fd) == false) + return false; + + pkgTagFile TagFile(&Fd, Fd.Size()); + if (Fd.IsOpen() == false || Fd.Failed()) + { + 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); - std::vector const targets = _config->FindVector("APT::Acquire::Targets::deb", "", true); - for (std::vector::const_iterator T = targets.begin(); T != targets.end(); ++T) + Suite = Section.FindS("Suite"); + Codename = Section.FindS("Codename"); + { + std::string const archs = Section.FindS("Architectures"); + if (archs.empty() == false) + d->Architectures = VectorizeString(archs, ' '); + } { -#define APT_T_CONFIG(X) _config->Find(std::string("APT::Acquire::Targets::deb::") + *T + "::" + (X)) - std::string const MetaKey = APT_T_CONFIG(flatArchive ? "flatMetaKey" : "MetaKey"); - std::string const ShortDesc = APT_T_CONFIG("ShortDescription"); - std::string const LongDesc = APT_T_CONFIG(flatArchive ? "flatDescription" : "Description"); - bool const IsOptional = _config->FindB(std::string("APT::Acquire::Targets::deb::") + *T + "::Optional", true); -#undef APT_T_CONFIG - if (MetaKey.empty()) + 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; - for (map >::const_iterator a = ArchEntries.begin(); - a != ArchEntries.end(); ++a) + std::string Name; + std::string Hash; + unsigned long long Size; + while (Start < End) { - if (a->first == "source") - continue; + 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; + } + } - for (vector ::const_iterator I = a->second.begin(); - I != a->second.end(); ++I) { + if(FoundHashSum == false) + { + if (ErrorText != NULL) + strprintf(*ErrorText, _("No Hash entry in Release file %s"), Filename.c_str()); + return false; + } + if(FoundStrongHashSum == false) + { + if (ErrorText != NULL) + strprintf(*ErrorText, _("No Hash entry in Release file %s, which is considered strong enough for security purposes"), Filename.c_str()); + return false; + } - for (vector::const_iterator l = lang.begin(); l != lang.end(); ++l) - { - if (*l == "none" && MetaKey.find("$(LANGUAGE)") != std::string::npos) - continue; + std::string const StrDate = Section.FindS("Date"); + if (RFC1123StrToTime(StrDate.c_str(), Date) == false) + { + _error->Warning( _("Invalid 'Date' entry in Release file %s"), Filename.c_str()); + Date = 0; + } - std::map Options; - Options.insert(std::make_pair("SITE", Site)); - Options.insert(std::make_pair("RELEASE", Release)); - Options.insert(std::make_pair("COMPONENT", (*I)->Section)); - Options.insert(std::make_pair("LANGUAGE", *l)); - Options.insert(std::make_pair("ARCHITECTURE", a->first)); - Options.insert(std::make_pair("BASE_URI", baseURI)); - Options.insert(std::make_pair("CREATED_BY", *T)); - Call(MetaKey, ShortDesc, LongDesc, IsOptional, Options); + bool CheckValidUntil = _config->FindB("Acquire::Check-Valid-Until", true); + if (d->CheckValidUntil == metaIndex::TRI_NO) + CheckValidUntil = false; + else if (d->CheckValidUntil == metaIndex::TRI_YES) + CheckValidUntil = true; - if (MetaKey.find("$(LANGUAGE)") == std::string::npos) - break; - } + if (CheckValidUntil == true) + { + std::string const Label = Section.FindS("Label"); + std::string const StrValidUntil = Section.FindS("Valid-Until"); - if (MetaKey.find("$(COMPONENT)") == std::string::npos) - break; + // if we have a Valid-Until header in the Release file, use it as default + if (StrValidUntil.empty() == false) + { + if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false) + { + if (ErrorText != NULL) + strprintf(*ErrorText, _("Invalid 'Valid-Until' entry in Release file %s"), Filename.c_str()); + return false; } - - if (MetaKey.find("$(ARCHITECTURE)") == std::string::npos) - break; } - } -} - - -struct ComputeIndexTargetsClass -{ - vector IndexTargets; + // 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); + } - void operator()(std::string MetaKey, std::string ShortDesc, std::string LongDesc, - bool const IsOptional, std::map Options) - { - for (std::map::const_iterator O = Options.begin(); O != Options.end(); ++O) + if (MinAge != 0 || ValidUntil != 0 || MaxAge != 0) { - MetaKey = SubstVar(MetaKey, std::string("$(") + O->first + ")", O->second); - ShortDesc = SubstVar(ShortDesc, std::string("$(") + O->first + ")", O->second); - LongDesc = SubstVar(LongDesc, std::string("$(") + O->first + ")", O->second); + 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; + } } - IndexTarget Target( - MetaKey, - ShortDesc, - LongDesc, - Options.find("BASE_URI")->second + MetaKey, - IsOptional, - Options - ); - IndexTargets.push_back(Target); } -}; -std::vector debReleaseIndex::GetIndexTargets() const + LoadedSuccessfully = TRI_YES; + return true; +} + /*}}}*/ +metaIndex * debReleaseIndex::UnloadedClone() const /*{{{*/ { - ComputeIndexTargetsClass comp; - foreachTarget(URI, Dist, ArchEntries, comp); - return comp.IndexTargets; + if (Trusted == TRI_NO) + return new debReleaseIndex(URI, Dist, false); + else if (Trusted == TRI_YES) + return new debReleaseIndex(URI, Dist, true); + else + return new debReleaseIndex(URI, Dist); } + /*}}}*/ +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; + + /* 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; + Hash.append(Start, EntryEnd-Start); + /* 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 -{ - indexRecords * const iR = new indexRecords(Dist); - if (Trusted == ALWAYS_TRUSTED) - iR->SetTrusted(true); - else if (Trusted == NEVER_TRUSTED) - iR->SetTrusted(false); - // special case for --print-uris +bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll)/*{{{*/ +{ std::vector const targets = GetIndexTargets(); -#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, std::map()) - pkgAcqMetaBase * const TransactionManager = new pkgAcqMetaClearSig(Owner, +#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, false, std::map()) + pkgAcqMetaClearSig * const TransactionManager = new pkgAcqMetaClearSig(Owner, APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"), - targets, iR); + targets, this); #undef APT_TARGET + // special case for --print-uris if (GetAll) - { - for (std::vector::const_iterator Target = targets.begin(); Target != targets.end(); ++Target) - new pkgAcqIndex(Owner, TransactionManager, *Target); - } + for (auto const &Target: targets) + new pkgAcqIndex(Owner, TransactionManager, Target); return true; } - -void debReleaseIndex::SetTrusted(bool const Trusted) + /*}}}*/ +// ReleaseIndex::Set* TriState options /*{{{*/ +bool debReleaseIndex::SetTrusted(TriState const pTrusted) { - if (Trusted == true) - this->Trusted = ALWAYS_TRUSTED; - else - this->Trusted = NEVER_TRUSTED; + 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 + ; // 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. + std::string finger = pSignedBy; + finger.erase(std::remove(finger.begin(), finger.end(), ' '), finger.end()); + std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper); + if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos) + return _error->Error(_("Invalid value set for option %s regarding source %s %s (%s)"), "Signed-By", URI.c_str(), Dist.c_str(), "not a fingerprint"); + } + SignedBy = pSignedBy; + } + else if (SignedBy != pSignedBy) + return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Signed-By", URI.c_str(), Dist.c_str()); + return true; +} + /*}}}*/ +// ReleaseIndex::IsTrusted /*{{{*/ bool debReleaseIndex::IsTrusted() const { - if (Trusted == ALWAYS_TRUSTED) + if (Trusted == TRI_YES) return true; - else if (Trusted == NEVER_TRUSTED) + else if (Trusted == TRI_NO) return false; @@ -282,122 +659,211 @@ bool debReleaseIndex::IsTrusted() const 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")); } - -struct GetIndexFilesClass + /*}}}*/ +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() /*{{{*/ { - vector * const Indexes; - std::string const URI; - std::string const Release; - bool const IsTrusted; + if (Indexes != NULL) + return Indexes; - void operator()(std::string const &/*URI*/, std::string const &/*ShortDesc*/, std::string const &/*LongDesc*/, - bool const /*IsOptional*/, std::map Options) + Indexes = new std::vector(); + bool const istrusted = IsTrusted(); + for (auto const &T: GetIndexTargets()) { - std::string const TargetName = Options.find("CREATED_BY")->second; + std::string const TargetName = T.Option(IndexTarget::CREATED_BY); if (TargetName == "Packages") - { - Indexes->push_back(new debPackagesIndex( - URI, - Release, - Options.find("COMPONENT")->second, - IsTrusted, - Options.find("ARCHITECTURE")->second - )); - } + Indexes->push_back(new debPackagesIndex(T, istrusted)); else if (TargetName == "Sources") - Indexes->push_back(new debSourcesIndex( - URI, - Release, - Options.find("COMPONENT")->second, - IsTrusted - )); + Indexes->push_back(new debSourcesIndex(T, istrusted)); else if (TargetName == "Translations") - Indexes->push_back(new debTranslationsIndex( - URI, - Release, - Options.find("COMPONENT")->second, - Options.find("LANGUAGE")->second - )); + Indexes->push_back(new debTranslationsIndex(T)); } + return Indexes; +} + /*}}}*/ - GetIndexFilesClass(std::string const &URI, std::string const &Release, bool const IsTrusted) : - Indexes(new vector ), URI(URI), Release(Release), IsTrusted(IsTrusted) {} -}; - -std::vector *debReleaseIndex::GetIndexFiles() +static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/ { - if (Indexes != NULL) - return Indexes; - - GetIndexFilesClass comp(URI, Dist, IsTrusted()); - foreachTarget(URI, Dist, ArchEntries, comp); - return Indexes = comp.Indexes; + 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); -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; -} + ::URI Tmp(URI); + if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false) + return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str()); -void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) { - ArchEntries[Arch].push_back(Entry); -} + if (releaseExists == false) + return true; -debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section, - bool const &IsSrc): Section(Section), IsSrc(IsSrc) -{} + 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; -class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type + 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 { - protected: + std::string ReleaseFile; + bool const releaseExists = ReleaseFileName(this, ReleaseFile); - bool CreateItemInternal(vector &List, string const &URI, - string const &Dist, string const &Section, - bool const &IsSrc, map const &Options) const + pkgCache::RlsFileIterator File = Cache.RlsFileBegin(); + for (; File.end() == false; ++File) { - // parse arch=, arch+= and arch-= settings - map::const_iterator arch = Options.find("arch"); - vector Archs; - if (arch != Options.end()) - Archs = VectorizeString(arch->second, ','); - else - Archs = APT::Configuration::getArchitectures(); + if (File->FileName == 0 || ReleaseFile != File.FileName()) + continue; - if ((arch = Options.find("arch+")) != Options.end()) + // 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) { - std::vector const plusArch = VectorizeString(arch->second, ','); - for (std::vector::const_iterator plus = plusArch.begin(); plus != plusArch.end(); ++plus) - if (std::find(Archs.begin(), Archs.end(), *plus) == Archs.end()) - Archs.push_back(*plus); + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "ReleaseIndex::FindInCache - stat failed on " << File.FileName() << std::endl; + return pkgCache::RlsFileIterator(Cache); } - if ((arch = Options.find("arch-")) != Options.end()) + if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) { - std::vector const minusArch = VectorizeString(arch->second, ','); - for (std::vector::const_iterator minus = minusArch.begin(); minus != minusArch.end(); ++minus) - { - std::vector::iterator kill = std::find(Archs.begin(), Archs.end(), *minus); - if (kill != Archs.end()) - Archs.erase(kill); - } + 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; + } - map::const_iterator const trusted = Options.find("trusted"); + return File; +} + /*}}}*/ + +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"); + + 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; + } + + time_t GetTimeOption(std::mapconst &Options, char const * const name) const + { + std::map::const_iterator const opt = Options.find(name); + if (opt == Options.end()) + return 0; + return strtoull(opt->second.c_str(), NULL, 10); + } + + protected: + + 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 + { debReleaseIndex *Deb = NULL; - for (vector::const_iterator I = List.begin(); + for (std::vector::const_iterator I = List.begin(); I != List.end(); ++I) { // We only worry about debian entries here @@ -422,88 +888,116 @@ class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type List.push_back(Deb); } - if (IsSrc == true) - Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc)); - else + 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) { - if (Dist[Dist.size() - 1] == '/') - Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc)); - else - Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc)); + std::map::const_iterator const opt = Options.find(target); + if (opt == Options.end()) + continue; + auto const tarItr = std::find(mytargets.begin(), mytargets.end(), target); + bool const optValue = StringToBool(opt->second); + if (optValue == true && tarItr == mytargets.end()) + mytargets.push_back(target); + else if (optValue == false && tarItr != mytargets.end()) + mytargets.erase(std::remove(mytargets.begin(), mytargets.end(), target), mytargets.end()); } - if (trusted != Options.end()) - Deb->SetTrusted(StringToBool(trusted->second, false)); + bool UsePDiffs = _config->FindB("Acquire::PDiffs", true); + { + std::map::const_iterator const opt = Options.find("pdiffs"); + if (opt != Options.end()) + UsePDiffs = StringToBool(opt->second); + } - return 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; + } -debDebFileMetaIndex::debDebFileMetaIndex(std::string const &DebFile) - : metaIndex(DebFile, "local-uri", "deb-dist"), DebFile(DebFile) -{ - DebIndex = new debDebPkgFileIndex(DebFile); - Indexes = new vector(); - Indexes->push_back(DebIndex); -} + 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; -class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian -{ - public: + std::map::const_iterator const signedby = Options.find("signed-by"); + if (signedby == Options.end()) + { + if (Deb->SetSignedBy("") == false) + return false; + } + else + { + if (Deb->SetSignedBy(signedby->second) == false) + return false; + } - bool CreateItem(vector &List, string const &URI, - string const &Dist, string const &Section, - std::map const &Options) const - { - return CreateItemInternal(List, URI, Dist, Section, false, Options); + return true; } - debSLTypeDeb() + debSLTypeDebian(char const * const Name, char const * const Label) : Type(Name, Label) { - Name = "deb"; - Label = "Standard Debian binary tree"; - } + } }; - -class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian + /*}}}*/ +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, true, Options); + return CreateItemInternal(List, URI, Dist, Section, false, Options); } - - debSLTypeDebSrc() + + debSLTypeDeb() : debSLTypeDebian("deb", "Debian binary tree") { - Name = "deb-src"; - Label = "Standard Debian source tree"; - } + } }; - -class APT_HIDDEN debSLTypeDebFile : public pkgSourceList::Type + /*}}}*/ +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 { - metaIndex *mi = new debDebFileMetaIndex(URI); - List.push_back(mi); - return true; + return CreateItemInternal(List, URI, Dist, Section, true, Options); } - - debSLTypeDebFile() + + debSLTypeDebSrc() : debSLTypeDebian("deb-src", "Debian source tree") { - Name = "deb-file"; - Label = "Debian Deb File"; - } + } }; + /*}}}*/ APT_HIDDEN debSLTypeDeb _apt_DebType; APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType; -APT_HIDDEN debSLTypeDebFile _apt_DebFileType;