// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: indexfile.cc,v 1.2.2.1 2003/12/24 23:09:17 mdz Exp $ /* ###################################################################### Index File - Abstraction for an index of archive/souce file. ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #include<config.h> #include <apt-pkg/configuration.h> #include <apt-pkg/indexfile.h> #include <apt-pkg/error.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/aptconfiguration.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/pkgcachegen.h> #include <apt-pkg/cacheiterators.h> #include <apt-pkg/srcrecords.h> #include <apt-pkg/strutl.h> #include <apt-pkg/progress.h> #include <apt-pkg/deblistparser.h> #include <apt-pkg/macros.h> #include <apt-pkg/debindexfile.h> #include <sys/stat.h> #include <string> #include <vector> #include <clocale> #include <cstring> #include <memory> /*}}}*/ // Global list of Item supported static pkgIndexFile::Type *ItmList[10]; pkgIndexFile::Type **pkgIndexFile::Type::GlobalList = ItmList; unsigned long pkgIndexFile::Type::GlobalListLen = 0; // Type::Type - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ pkgIndexFile::Type::Type() { ItmList[GlobalListLen] = this; GlobalListLen++; Label = NULL; } /*}}}*/ // Type::GetType - Locate the type by name /*{{{*/ // --------------------------------------------------------------------- /* */ pkgIndexFile::Type *pkgIndexFile::Type::GetType(const char *Type) { for (unsigned I = 0; I != GlobalListLen; I++) if (strcmp(GlobalList[I]->Label,Type) == 0) return GlobalList[I]; return 0; } /*}}}*/ pkgIndexFile::pkgIndexFile(bool const Trusted) : /*{{{*/ d(NULL), Trusted(Trusted) { } /*}}}*/ // IndexFile::ArchiveInfo - Stub /*{{{*/ std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &Ver) const { debDebPkgFileIndex const * const debfile = dynamic_cast<debDebPkgFileIndex const*>(this); if (debfile != nullptr) return debfile->ArchiveInfo_impl(Ver); return std::string(); } /*}}}*/ // IndexFile::FindInCache - Stub /*{{{*/ pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const { return pkgCache::PkgFileIterator(Cache); } /*}}}*/ // IndexFile::SourceIndex - Stub /*{{{*/ std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/*Record*/, pkgSrcRecords::File const &/*File*/) const { return std::string(); } /*}}}*/ // IndexFile::TranslationsAvailable - Check if will use Translation /*{{{*/ bool pkgIndexFile::TranslationsAvailable() { return (APT::Configuration::getLanguages().empty() != true); } /*}}}*/ // IndexFile::CheckLanguageCode - Check the Language Code /*{{{*/ bool pkgIndexFile::CheckLanguageCode(const char * const Lang) { if (strlen(Lang) == 2 || (strlen(Lang) == 5 && Lang[2] == '_')) return true; if (strcmp(Lang,"C") != 0) _error->Warning("Wrong language code %s", Lang); return false; } /*}}}*/ // IndexFile::LanguageCode - Return the Language Code /*{{{*/ std::string pkgIndexFile::LanguageCode() { APT_IGNORE_DEPRECATED_PUSH if (TranslationsAvailable() == false) return ""; return APT::Configuration::getLanguages()[0]; APT_IGNORE_DEPRECATED_POP } /*}}}*/ // IndexTarget - Constructor /*{{{*/ IndexTarget::IndexTarget(std::string const &MetaKey, std::string const &ShortDesc, std::string const &LongDesc, std::string const &URI, bool const IsOptional, bool const KeepCompressed, std::map<std::string, std::string> const &Options) : URI(URI), Description(LongDesc), ShortDesc(ShortDesc), MetaKey(MetaKey), IsOptional(IsOptional), KeepCompressed(KeepCompressed), Options(Options) { } /*}}}*/ std::string IndexTarget::Option(OptionKeys const EnumKey) const /*{{{*/ { std::string Key; switch (EnumKey) { #define APT_CASE(X) case X: Key = #X; break APT_CASE(SITE); APT_CASE(RELEASE); APT_CASE(COMPONENT); APT_CASE(LANGUAGE); APT_CASE(ARCHITECTURE); APT_CASE(BASE_URI); APT_CASE(REPO_URI); APT_CASE(IDENTIFIER); APT_CASE(TARGET_OF); APT_CASE(CREATED_BY); APT_CASE(FALLBACK_OF); APT_CASE(PDIFFS); APT_CASE(DEFAULTENABLED); APT_CASE(COMPRESSIONTYPES); APT_CASE(SOURCESENTRY); APT_CASE(BY_HASH); APT_CASE(KEEPCOMPRESSEDAS); APT_CASE(ALLOW_INSECURE); APT_CASE(ALLOW_WEAK); APT_CASE(ALLOW_DOWNGRADE_TO_INSECURE); #undef APT_CASE case FILENAME: { auto const M = Options.find("FILENAME"); if (M == Options.end()) return _config->FindDir("Dir::State::lists") + URItoFileName(URI); return M->second; } case EXISTING_FILENAME: std::string const filename = Option(FILENAME); std::vector<std::string> const types = VectorizeString(Option(COMPRESSIONTYPES), ' '); for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) { if (t->empty()) continue; std::string const file = (*t == "uncompressed") ? filename : (filename + "." + *t); if (FileExists(file)) return file; } return ""; } std::map<std::string,std::string>::const_iterator const M = Options.find(Key); if (M == Options.end()) return ""; return M->second; } /*}}}*/ bool IndexTarget::OptionBool(OptionKeys const EnumKey) const /*{{{*/ { return StringToBool(Option(EnumKey), false); } /*}}}*/ std::string IndexTarget::Format(std::string format) const /*{{{*/ { for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O) { format = SubstVar(format, std::string("$(") + O->first + ")", O->second); } format = SubstVar(format, "$(METAKEY)", MetaKey); format = SubstVar(format, "$(SHORTDESC)", ShortDesc); format = SubstVar(format, "$(DESCRIPTION)", Description); format = SubstVar(format, "$(URI)", URI); format = SubstVar(format, "$(FILENAME)", Option(IndexTarget::FILENAME)); return format; } /*}}}*/ pkgDebianIndexTargetFile::pkgDebianIndexTargetFile(IndexTarget const &Target, bool const Trusted) :/*{{{*/ pkgDebianIndexFile(Trusted), d(NULL), Target(Target) { } /*}}}*/ std::string pkgDebianIndexTargetFile::ArchiveURI(std::string const &File) const/*{{{*/ { return Target.Option(IndexTarget::REPO_URI) + File; } /*}}}*/ std::string pkgDebianIndexTargetFile::Describe(bool const Short) const /*{{{*/ { if (Short) return Target.Description; return Target.Description + " (" + IndexFileName() + ")"; } /*}}}*/ std::string pkgDebianIndexTargetFile::IndexFileName() const /*{{{*/ { std::string const s = Target.Option(IndexTarget::FILENAME); if (FileExists(s)) return s; std::vector<std::string> const types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' '); for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) { std::string p = s + '.' + *t; if (FileExists(p)) return p; } return s; } /*}}}*/ unsigned long pkgDebianIndexTargetFile::Size() const /*{{{*/ { unsigned long size = 0; /* we need to ignore errors here; if the lists are absent, just return 0 */ _error->PushToStack(); FileFd f(IndexFileName(), FileFd::ReadOnly, FileFd::Extension); if (!f.Failed()) size = f.Size(); if (_error->PendingError() == true) size = 0; _error->RevertToStack(); return size; } /*}}}*/ bool pkgDebianIndexTargetFile::Exists() const /*{{{*/ { return FileExists(IndexFileName()); } /*}}}*/ std::string pkgDebianIndexTargetFile::GetArchitecture() const /*{{{*/ { return Target.Option(IndexTarget::ARCHITECTURE); } /*}}}*/ std::string pkgDebianIndexTargetFile::GetComponent() const /*{{{*/ { return Target.Option(IndexTarget::COMPONENT); } /*}}}*/ bool pkgDebianIndexTargetFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/ { if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false) return _error->Error("Problem opening %s",FileName.c_str()); return true; } /*}}}*/ std::string pkgDebianIndexTargetFile::GetProgressDescription() const { return Target.Description; } pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &pFile, bool const Trusted) :/*{{{*/ pkgDebianIndexFile(Trusted), d(NULL) { if (pFile.empty()) ; else if (pFile == "/nonexistent/stdin") File = pFile; else File = flAbsPath(pFile); } /*}}}*/ // IndexRealFile::Size - Return the size of the index /*{{{*/ unsigned long pkgDebianIndexRealFile::Size() const { struct stat S; if (stat(File.c_str(),&S) != 0) return 0; return S.st_size; } /*}}}*/ bool pkgDebianIndexRealFile::Exists() const /*{{{*/ { return FileExists(File); } /*}}}*/ std::string pkgDebianIndexRealFile::Describe(bool const /*Short*/) const/*{{{*/ { return File; } /*}}}*/ std::string pkgDebianIndexRealFile::ArchiveURI(std::string const &/*File*/) const/*{{{*/ { return "file:" + File; } /*}}}*/ std::string pkgDebianIndexRealFile::IndexFileName() const /*{{{*/ { return File; } /*}}}*/ std::string pkgDebianIndexRealFile::GetProgressDescription() const { return File; } bool pkgDebianIndexRealFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/ { if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false) return _error->Error("Problem opening %s",FileName.c_str()); return true; } /*}}}*/ pkgDebianIndexFile::pkgDebianIndexFile(bool const Trusted) : pkgIndexFile(Trusted) { } pkgDebianIndexFile::~pkgDebianIndexFile() { } pkgCacheListParser * pkgDebianIndexFile::CreateListParser(FileFd &Pkg) { if (Pkg.IsOpen() == false) return nullptr; _error->PushToStack(); pkgCacheListParser * const Parser = new debListParser(&Pkg); bool const newError = _error->PendingError(); _error->MergeWithStack(); if (newError) { delete Parser; return nullptr; } else return Parser; } bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog) { std::string const PackageFile = IndexFileName(); FileFd Pkg; if (OpenListFile(Pkg, PackageFile) == false) return false; _error->PushToStack(); std::unique_ptr<pkgCacheListParser> Parser(CreateListParser(Pkg)); bool const newError = _error->PendingError(); _error->MergeWithStack(); if (newError == false && Parser == nullptr) return true; if (Parser == NULL) return false; if (Prog != NULL) Prog->SubProgress(0, GetProgressDescription()); if (Gen.SelectFile(PackageFile, *this, GetArchitecture(), GetComponent(), GetIndexFlags()) == false) return _error->Error("Problem with SelectFile %s",PackageFile.c_str()); // Store the IMS information pkgCache::PkgFileIterator File = Gen.GetCurFile(); pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File); File->Size = Pkg.FileSize(); File->mtime = Pkg.ModificationTime(); if (Gen.MergeList(*Parser) == false) return _error->Error("Problem with MergeList %s",PackageFile.c_str()); return true; } pkgCache::PkgFileIterator pkgDebianIndexFile::FindInCache(pkgCache &Cache) const { std::string const FileName = IndexFileName(); pkgCache::PkgFileIterator File = Cache.FileBegin(); for (; File.end() == false; ++File) { if (File.FileName() == NULL || FileName != File.FileName()) continue; struct stat St; if (stat(File.FileName(),&St) != 0) { if (_config->FindB("Debug::pkgCacheGen", false)) std::clog << "DebianIndexFile::FindInCache - stat failed on " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); } if ((map_filesize_t)St.st_size != File->Size || St.st_mtime != File->mtime) { if (_config->FindB("Debug::pkgCacheGen", false)) std::clog << "DebianIndexFile::FindInCache - size (" << St.st_size << " <> " << File->Size << ") or mtime (" << St.st_mtime << " <> " << File->mtime << ") doesn't match for " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); } return File; } return File; } APT_CONST pkgIndexFile::~pkgIndexFile() {} APT_CONST pkgDebianIndexTargetFile::~pkgDebianIndexTargetFile() {} APT_CONST pkgDebianIndexRealFile::~pkgDebianIndexRealFile() {}