// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ /* ###################################################################### Init - Initialize the package library ##################################################################### */ /*}}}*/ // Include files /*{{{*/ #include <config.h> #include <apt-pkg/configuration.h> #include <apt-pkg/error.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/init.h> #include <apt-pkg/macros.h> #include <apt-pkg/pkgsystem.h> #include <apt-pkg/strutl.h> #include <cstdlib> #include <fstream> #include <sstream> #include <string> #include <unordered_map> #include <vector> #include <string.h> #include <apti18n.h> /*}}}*/ #define Stringfy_(x) # x #define Stringfy(x) Stringfy_(x) const char *pkgVersion = PACKAGE_VERSION; const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "." Stringfy(APT_PKG_MINOR) "." Stringfy(APT_PKG_RELEASE); namespace APT { APT_HIDDEN extern std::unordered_map<std::string, std::vector<std::string>> ArchToTupleMap; } // Splits by whitespace. There may be continuous spans of whitespace - they // will be considered as one. static std::vector<std::string> split(std::string const & s) { std::vector<std::string> vec; std::istringstream iss(s); iss.imbue(std::locale::classic()); for(std::string current_s; iss >> current_s; ) vec.push_back(current_s); return vec; } // pkgInitArchTupleMap - Initialize the architecture tuple map /*{{{*/ // --------------------------------------------------------------------- /* This initializes */ static bool pkgInitArchTupleMap() { auto tuplepath = _config->FindFile("Dir::dpkg::tupletable", DPKG_DATADIR "/tupletable"); auto tripletpath = _config->FindFile("Dir::dpkg::triplettable", DPKG_DATADIR "/triplettable"); auto cpupath = _config->FindFile("Dir::dpkg::cputable", DPKG_DATADIR "/cputable"); // Load a list of CPUs std::vector<std::string> cpus; std::ifstream cputable(cpupath); for (std::string cpuline; std::getline(cputable, cpuline); ) { if (cpuline[0] == '#' || cpuline[0] == '\0') continue; auto cpurow = split(cpuline); auto cpu = APT::String::Strip(cpurow.at(0)); cpus.push_back(cpu); } if (!cputable.eof()) return _error->Error("Error reading the CPU table"); // Load the architecture tuple std::ifstream tupletable; if (FileExists(tuplepath)) tupletable.open(tuplepath); else if (FileExists(tripletpath)) tupletable.open(tripletpath); else return _error->Error("Cannot find dpkg tuplet or triplet table"); APT::ArchToTupleMap.clear(); for (std::string tupleline; std::getline(tupletable, tupleline); ) { if (tupleline[0] == '#' || tupleline[0] == '\0') continue; std::vector<std::string> tuplerow = split(tupleline); auto tuple = APT::String::Strip(tuplerow.at(0)); auto arch = APT::String::Strip(tuplerow.at(1)); if (tuple.find("<cpu>") == tuple.npos && arch.find("<cpu>") == arch.npos) { APT::ArchToTupleMap.insert({arch, VectorizeString(tuple, '-')}); } else { for (auto && cpu : cpus) { auto mytuple = SubstVar(tuple, std::string("<cpu>"), cpu); auto myarch = SubstVar(arch, std::string("<cpu>"), cpu); APT::ArchToTupleMap.insert({myarch, VectorizeString(mytuple, '-')}); } } } if (!tupletable.eof()) return _error->Error("Error reading the Tuple table"); return true; } /*}}}*/ // pkgInitConfig - Initialize the configuration class /*{{{*/ // --------------------------------------------------------------------- /* Directories are specified in such a way that the FindDir function will understand them. That is, if they don't start with a / then their parent is prepended, this allows a fair degree of flexibility. */ bool pkgInitConfig(Configuration &Cnf) { // General APT things Cnf.CndSet("APT::Architecture", COMMON_ARCH); if (Cnf.Exists("APT::Build-Essential") == false) Cnf.Set("APT::Build-Essential::", "build-essential"); Cnf.CndSet("APT::Install-Recommends", true); Cnf.CndSet("APT::Install-Suggests", false); Cnf.CndSet("Dir","/"); // State Cnf.CndSet("Dir::State", STATE_DIR + 1); Cnf.CndSet("Dir::State::lists","lists/"); Cnf.CndSet("Dir::State::cdroms","cdroms.list"); // Cache Cnf.CndSet("Dir::Cache", CACHE_DIR + 1); Cnf.CndSet("Dir::Cache::archives","archives/"); Cnf.CndSet("Dir::Cache::srcpkgcache","srcpkgcache.bin"); Cnf.CndSet("Dir::Cache::pkgcache","pkgcache.bin"); // Configuration Cnf.CndSet("Dir::Etc", CONF_DIR + 1); Cnf.CndSet("Dir::Etc::sourcelist","sources.list"); Cnf.CndSet("Dir::Etc::sourceparts","sources.list.d"); Cnf.CndSet("Dir::Etc::main","apt.conf"); Cnf.CndSet("Dir::Etc::netrc", "auth.conf"); Cnf.CndSet("Dir::Etc::parts","apt.conf.d"); Cnf.CndSet("Dir::Etc::preferences","preferences"); Cnf.CndSet("Dir::Etc::preferencesparts","preferences.d"); Cnf.CndSet("Dir::Etc::trusted", "trusted.gpg"); Cnf.CndSet("Dir::Etc::trustedparts","trusted.gpg.d"); Cnf.CndSet("Dir::Bin::methods", LIBEXEC_DIR "/methods"); Cnf.CndSet("Dir::Bin::solvers::",LIBEXEC_DIR "/solvers"); Cnf.CndSet("Dir::Bin::planners::",LIBEXEC_DIR "/planners"); Cnf.CndSet("Dir::Media::MountPath","/media/apt"); // State Cnf.CndSet("Dir::Log", LOG_DIR + 1); Cnf.CndSet("Dir::Log::Terminal","term.log"); Cnf.CndSet("Dir::Log::History","history.log"); Cnf.CndSet("Dir::Log::Planner","eipp.log.xz"); Cnf.Set("Dir::Ignore-Files-Silently::", "~$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.ucf-[a-z]+$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.orig$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$"); // Repository security Cnf.CndSet("Acquire::AllowInsecureRepositories", false); Cnf.CndSet("Acquire::AllowWeakRepositories", false); Cnf.CndSet("Acquire::AllowDowngradeToInsecureRepositories", false); // Default cdrom mount point Cnf.CndSet("Acquire::cdrom::mount", "/media/cdrom/"); // The default user we drop to in the methods Cnf.CndSet("APT::Sandbox::User", "_apt"); Cnf.CndSet("Acquire::IndexTargets::deb::Packages::MetaKey", "$(COMPONENT)/binary-$(ARCHITECTURE)/Packages"); Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatMetaKey", "Packages"); Cnf.CndSet("Acquire::IndexTargets::deb::Packages::ShortDescription", "Packages"); Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Description", "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Packages"); Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatDescription", "$(RELEASE) Packages"); Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Optional", false); Cnf.CndSet("Acquire::IndexTargets::deb::Translations::MetaKey", "$(COMPONENT)/i18n/Translation-$(LANGUAGE)"); Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatMetaKey", "$(LANGUAGE)"); Cnf.CndSet("Acquire::IndexTargets::deb::Translations::ShortDescription", "Translation-$(LANGUAGE)"); Cnf.CndSet("Acquire::IndexTargets::deb::Translations::Description", "$(RELEASE)/$(COMPONENT) Translation-$(LANGUAGE)"); Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatDescription", "$(RELEASE) Translation-$(LANGUAGE)"); Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::MetaKey", "$(COMPONENT)/source/Sources"); Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatMetaKey", "Sources"); Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::ShortDescription", "Sources"); Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Description", "$(RELEASE)/$(COMPONENT) Sources"); Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatDescription", "$(RELEASE) Sources"); Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Optional", false); Cnf.CndSet("Acquire::Changelogs::URI::Origin::Debian", "http://metadata.ftp-master.debian.org/changelogs/@CHANGEPATH@_changelog"); Cnf.CndSet("Acquire::Changelogs::URI::Origin::Tanglu", "http://metadata.tanglu.org/changelogs/@CHANGEPATH@_changelog"); Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ubuntu", "https://changelogs.ubuntu.com/changelogs/pool/@CHANGEPATH@/changelog"); Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ultimedia", "http://packages.ultimediaos.com/changelogs/pool/@CHANGEPATH@/changelog.txt"); Cnf.CndSet("Acquire::Changelogs::AlwaysOnline::Origin::Ubuntu", true); // Read an alternate config file _error->PushToStack(); const char *Cfg = getenv("APT_CONFIG"); if (Cfg != 0 && strlen(Cfg) != 0) { if (RealFileExists(Cfg) == true) ReadConfigFile(Cnf, Cfg); else _error->WarningE("RealFileExists",_("Unable to read %s"),Cfg); } // Read the configuration parts dir std::string const Parts = Cnf.FindDir("Dir::Etc::parts", "/dev/null"); if (DirectoryExists(Parts) == true) ReadConfigDir(Cnf, Parts); else if (APT::String::Endswith(Parts, "/dev/null") == false) _error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str()); // Read the main config file std::string const FName = Cnf.FindFile("Dir::Etc::main", "/dev/null"); if (RealFileExists(FName) == true) ReadConfigFile(Cnf, FName); if (Cnf.FindB("Debug::pkgInitConfig",false) == true) Cnf.Dump(); #ifdef APT_DOMAIN if (Cnf.Exists("Dir::Locale")) { bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str()); bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str()); } #endif auto const good = _error->PendingError() == false; _error->MergeWithStack(); return good; } /*}}}*/ // pkgInitSystem - Initialize the _system calss /*{{{*/ // --------------------------------------------------------------------- /* */ bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys) { Sys = 0; std::string Label = Cnf.Find("Apt::System",""); if (Label.empty() == false) { Sys = pkgSystem::GetSystem(Label.c_str()); if (Sys == 0) return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str()); } else { signed MaxScore = 0; for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++) { signed Score = pkgSystem::GlobalList[I]->Score(Cnf); if (Score > MaxScore) { MaxScore = Score; Sys = pkgSystem::GlobalList[I]; } } if (Sys == 0) return _error->Error(_("Unable to determine a suitable packaging system type")); } if (pkgInitArchTupleMap() == false) return false; return Sys->Initialize(Cnf); } /*}}}*/