// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $ /* ###################################################################### Debian Specific sources.list types and the three sorts of Debian index files. ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #include <config.h> #include <apt-pkg/debindexfile.h> #include <apt-pkg/debsrcrecords.h> #include <apt-pkg/deblistparser.h> #include <apt-pkg/debrecords.h> #include <apt-pkg/configuration.h> #include <apt-pkg/error.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/indexfile.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/cacheiterators.h> #include <apt-pkg/pkgrecords.h> #include <apt-pkg/srcrecords.h> #include <stdio.h> #include <iostream> #include <string> #include <sstream> #include <sys/stat.h> #include <unistd.h> /*}}}*/ // Sources Index /*{{{*/ debSourcesIndex::debSourcesIndex(IndexTarget const &Target,bool const Trusted) : pkgDebianIndexTargetFile(Target, Trusted), d(NULL) { } std::string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record, pkgSrcRecords::File const &File) const { // The result looks like: http://foo/debian/ stable/main src 1.1.1 (dsc) std::string Res = Target.Description; Res.erase(Target.Description.rfind(' ')); Res += " "; Res += Record.Package(); Res += " "; Res += Record.Version(); if (File.Type.empty() == false) Res += " (" + File.Type + ")"; return Res; } pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const { std::string const SourcesURI = IndexFileName(); if (FileExists(SourcesURI)) return new debSrcRecordParser(SourcesURI, this); return NULL; } bool debSourcesIndex::OpenListFile(FileFd &, std::string const &) { return true; } pkgCacheListParser * debSourcesIndex::CreateListParser(FileFd &) { return NULL; } uint8_t debSourcesIndex::GetIndexFlags() const { return 0; } /*}}}*/ // Packages Index /*{{{*/ debPackagesIndex::debPackagesIndex(IndexTarget const &Target, bool const Trusted) : pkgDebianIndexTargetFile(Target, Trusted), d(NULL) { } std::string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator const &Ver) const { std::string Res = Target.Description; { auto const space = Target.Description.rfind(' '); if (space != std::string::npos) Res.erase(space); } Res += " "; Res += Ver.ParentPkg().Name(); Res += " "; std::string const Dist = Target.Option(IndexTarget::RELEASE); if (Dist.empty() == false && Dist[Dist.size() - 1] != '/') Res.append(Ver.Arch()).append(" "); Res += Ver.VerStr(); return Res; } uint8_t debPackagesIndex::GetIndexFlags() const { return 0; } /*}}}*/ // Translation-* Index /*{{{*/ debTranslationsIndex::debTranslationsIndex(IndexTarget const &Target) : pkgDebianIndexTargetFile(Target, true), d(NULL) {} bool debTranslationsIndex::HasPackages() const { return Exists(); } bool debTranslationsIndex::OpenListFile(FileFd &Pkg, std::string const &FileName) { if (FileExists(FileName)) return pkgDebianIndexTargetFile::OpenListFile(Pkg, FileName); return true; } uint8_t debTranslationsIndex::GetIndexFlags() const { return pkgCache::Flag::NotSource | pkgCache::Flag::NoPackages; } std::string debTranslationsIndex::GetArchitecture() const { return std::string(); } pkgCacheListParser * debTranslationsIndex::CreateListParser(FileFd &Pkg) { if (Pkg.IsOpen() == false) return nullptr; _error->PushToStack(); pkgCacheListParser * const Parser = new debTranslationsParser(&Pkg); bool const newError = _error->PendingError(); _error->MergeWithStack(); if (newError) { delete Parser; return nullptr; } else return Parser; } /*}}}*/ // dpkg/status Index /*{{{*/ debStatusIndex::debStatusIndex(std::string const &File) : pkgDebianIndexRealFile(File, true), d(NULL) { } std::string debStatusIndex::GetArchitecture() const { return std::string(); } std::string debStatusIndex::GetComponent() const { return "now"; } uint8_t debStatusIndex::GetIndexFlags() const { return pkgCache::Flag::NotSource; } pkgCacheListParser * debStatusIndex::CreateListParser(FileFd &Pkg) { if (Pkg.IsOpen() == false) return nullptr; _error->PushToStack(); pkgCacheListParser * const Parser = new debStatusListParser(&Pkg); bool const newError = _error->PendingError(); _error->MergeWithStack(); if (newError) { delete Parser; return nullptr; } else return Parser; } /*}}}*/ // DebPkgFile Index - a single .deb file as an index /*{{{*/ debDebPkgFileIndex::debDebPkgFileIndex(std::string const &DebFile) : pkgDebianIndexRealFile(DebFile, true), d(NULL), DebFile(DebFile) { } bool debDebPkgFileIndex::GetContent(std::ostream &content, std::string const &debfile) { struct stat Buf; if (stat(debfile.c_str(), &Buf) != 0) return false; // get the control data out of the deb file via dpkg-deb -I std::string dpkg = _config->Find("Dir::Bin::dpkg","dpkg-deb"); std::vector<const char *> Args; Args.push_back(dpkg.c_str()); Args.push_back("-I"); Args.push_back(debfile.c_str()); Args.push_back("control"); Args.push_back(NULL); FileFd PipeFd; pid_t Child; if(Popen((const char**)&Args[0], PipeFd, Child, FileFd::ReadOnly) == false) return _error->Error("Popen failed"); content << "Filename: " << debfile << "\n"; content << "Size: " << std::to_string(Buf.st_size) << "\n"; bool first_line_seen = false; char buffer[1024]; do { unsigned long long actual = 0; if (PipeFd.Read(buffer, sizeof(buffer)-1, &actual) == false) return _error->Errno("read", "Failed to read dpkg pipe"); if (actual == 0) break; buffer[actual] = '\0'; char const * b = buffer; if (first_line_seen == false) { for (; *b != '\0' && (*b == '\n' || *b == '\r'); ++b) /* skip over leading newlines */; if (*b == '\0') continue; first_line_seen = true; } content << b; } while(true); ExecWait(Child, "Popen"); return true; } bool debDebPkgFileIndex::OpenListFile(FileFd &Pkg, std::string const &FileName) { // write the control data to a tempfile if (GetTempFile("deb-file-" + flNotDir(FileName), true, &Pkg) == NULL) return false; std::ostringstream content; if (GetContent(content, FileName) == false) return false; std::string const contentstr = content.str(); if (contentstr.empty()) return true; if (Pkg.Write(contentstr.c_str(), contentstr.length()) == false || Pkg.Seek(0) == false) return false; return true; } pkgCacheListParser * debDebPkgFileIndex::CreateListParser(FileFd &Pkg) { if (Pkg.IsOpen() == false) return nullptr; _error->PushToStack(); pkgCacheListParser * const Parser = new debDebFileParser(&Pkg, DebFile); bool const newError = _error->PendingError(); _error->MergeWithStack(); if (newError) { delete Parser; return nullptr; } else return Parser; } uint8_t debDebPkgFileIndex::GetIndexFlags() const { return pkgCache::Flag::LocalSource; } std::string debDebPkgFileIndex::GetArchitecture() const { return std::string(); } std::string debDebPkgFileIndex::GetComponent() const { return "local-deb"; } pkgCache::PkgFileIterator debDebPkgFileIndex::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; // we can't do size checks here as file size != content size return File; } return File; } std::string debDebPkgFileIndex::ArchiveInfo_impl(pkgCache::VerIterator const &Ver) const { std::string Res = IndexFileName() + " "; Res.append(Ver.ParentPkg().Name()).append(" "); Res.append(Ver.Arch()).append(" "); Res.append(Ver.VerStr()); return Res; } /*}}}*/ // DscFile Index - a single .dsc file as an index /*{{{*/ debDscFileIndex::debDscFileIndex(std::string const &DscFile) : pkgDebianIndexRealFile(DscFile, true), d(NULL) { } pkgSrcRecords::Parser *debDscFileIndex::CreateSrcParser() const { if (Exists() == false) return NULL; return new debDscRecordParser(File, this); } std::string debDscFileIndex::GetComponent() const { return "local-dsc"; } std::string debDscFileIndex::GetArchitecture() const { return "source"; } uint8_t debDscFileIndex::GetIndexFlags() const { return pkgCache::Flag::LocalSource; } /*}}}*/ // ControlFile Index - a directory with a debian/control file /*{{{*/ std::string debDebianSourceDirIndex::GetComponent() const { return "local-control"; } /*}}}*/ // String Package Index - a string of Packages file content /*{{{*/ std::string debStringPackageIndex::GetArchitecture() const { return std::string(); } std::string debStringPackageIndex::GetComponent() const { return "apt-tmp-index"; } uint8_t debStringPackageIndex::GetIndexFlags() const { return pkgCache::Flag::NotSource; } const pkgIndexFile::Type *debStringPackageIndex::GetType() const { return pkgIndexFile::Type::GetType("Debian Package Index"); } debStringPackageIndex::debStringPackageIndex(std::string const &content) : pkgDebianIndexRealFile("", false), d(NULL) { char fn[1024]; std::string const tempdir = GetTempDir(); snprintf(fn, sizeof(fn), "%s/%s.XXXXXX", tempdir.c_str(), "apt-tmp-index"); int const fd = mkstemp(fn); File = fn; FileFd::Write(fd, content.data(), content.length()); close(fd); } debStringPackageIndex::~debStringPackageIndex() { RemoveFile("~debStringPackageIndex", File); } /*}}}*/ // Index File types for Debian /*{{{*/ class APT_HIDDEN debIFTypeSrc : public pkgIndexFile::Type { public: debIFTypeSrc() {Label = "Debian Source Index";}; }; class APT_HIDDEN debIFTypePkg : public pkgIndexFile::Type { public: virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE { return new debRecordParser(File.FileName(),*File.Cache()); }; debIFTypePkg() {Label = "Debian Package Index";}; }; class APT_HIDDEN debIFTypeTrans : public debIFTypePkg { public: debIFTypeTrans() {Label = "Debian Translation Index";}; }; class APT_HIDDEN debIFTypeStatus : public pkgIndexFile::Type { public: virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE { return new debRecordParser(File.FileName(),*File.Cache()); }; debIFTypeStatus() {Label = "Debian dpkg status file";}; }; class APT_HIDDEN debIFTypeDebPkgFile : public pkgIndexFile::Type { public: virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE { return new debDebFileRecordParser(File.FileName()); }; debIFTypeDebPkgFile() {Label = "Debian deb file";}; }; class APT_HIDDEN debIFTypeDscFile : public pkgIndexFile::Type { public: virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &DscFile) const APT_OVERRIDE { return new debDscRecordParser(DscFile, NULL); }; debIFTypeDscFile() {Label = "Debian dsc file";}; }; class APT_HIDDEN debIFTypeDebianSourceDir : public pkgIndexFile::Type { public: virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &SourceDir) const APT_OVERRIDE { return new debDscRecordParser(SourceDir + std::string("/debian/control"), NULL); }; debIFTypeDebianSourceDir() {Label = "Debian control file";}; }; APT_HIDDEN debIFTypeSrc _apt_Src; APT_HIDDEN debIFTypePkg _apt_Pkg; APT_HIDDEN debIFTypeTrans _apt_Trans; APT_HIDDEN debIFTypeStatus _apt_Status; APT_HIDDEN debIFTypeDebPkgFile _apt_DebPkgFile; // file based pseudo indexes APT_HIDDEN debIFTypeDscFile _apt_DscFile; APT_HIDDEN debIFTypeDebianSourceDir _apt_DebianSourceDir; const pkgIndexFile::Type *debSourcesIndex::GetType() const { return &_apt_Src; } const pkgIndexFile::Type *debPackagesIndex::GetType() const { return &_apt_Pkg; } const pkgIndexFile::Type *debTranslationsIndex::GetType() const { return &_apt_Trans; } const pkgIndexFile::Type *debStatusIndex::GetType() const { return &_apt_Status; } const pkgIndexFile::Type *debDebPkgFileIndex::GetType() const { return &_apt_DebPkgFile; } const pkgIndexFile::Type *debDscFileIndex::GetType() const { return &_apt_DscFile; } const pkgIndexFile::Type *debDebianSourceDirIndex::GetType() const { return &_apt_DebianSourceDir; } /*}}}*/ debStatusIndex::~debStatusIndex() {} debPackagesIndex::~debPackagesIndex() {} debTranslationsIndex::~debTranslationsIndex() {} debSourcesIndex::~debSourcesIndex() {} debDebPkgFileIndex::~debDebPkgFileIndex() {} debDscFileIndex::~debDscFileIndex() {}