303 lines
12 KiB
C++
303 lines
12 KiB
C++
// -*- mode: cpp; mode: fold -*-
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// Description /*{{{*/
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/* ######################################################################
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Init - Initialize the package library
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##################################################################### */
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/*}}}*/
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// Include files /*{{{*/
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#include <config.h>
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#include <apt-pkg/configuration.h>
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#include <apt-pkg/error.h>
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#include <apt-pkg/fileutl.h>
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#include <apt-pkg/init.h>
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#include <apt-pkg/macros.h>
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#include <apt-pkg/pkgsystem.h>
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#include <apt-pkg/strutl.h>
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#include <cstdlib>
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#include <cstring>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include <apti18n.h>
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/*}}}*/
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#define Stringfy_(x) # x
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#define Stringfy(x) Stringfy_(x)
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const char *pkgVersion = PACKAGE_VERSION;
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const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "."
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Stringfy(APT_PKG_MINOR) "."
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Stringfy(APT_PKG_RELEASE);
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namespace APT {
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APT_HIDDEN extern std::unordered_map<std::string, std::vector<std::string>> ArchToTupleMap;
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}
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// Splits by whitespace. There may be continuous spans of whitespace - they
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// will be considered as one.
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static std::vector<std::string> split(std::string const & s)
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{
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std::vector<std::string> vec;
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std::istringstream iss(s);
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iss.imbue(std::locale::classic());
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for(std::string current_s; iss >> current_s; )
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vec.push_back(current_s);
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return vec;
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}
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// pkgInitArchTupleMap - Initialize the architecture tuple map /*{{{*/
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// ---------------------------------------------------------------------
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/* This initializes */
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static bool pkgInitArchTupleMap()
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{
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auto tuplepath = _config->FindFile("Dir::dpkg::tupletable", DPKG_DATADIR "/tupletable");
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auto tripletpath = _config->FindFile("Dir::dpkg::triplettable", DPKG_DATADIR "/triplettable");
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auto cpupath = _config->FindFile("Dir::dpkg::cputable", DPKG_DATADIR "/cputable");
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// Load a list of CPUs
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std::vector<std::string> cpus;
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std::ifstream cputable(cpupath);
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for (std::string cpuline; std::getline(cputable, cpuline); )
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{
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if (cpuline[0] == '#' || cpuline[0] == '\0')
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continue;
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auto cpurow = split(cpuline);
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auto cpu = APT::String::Strip(cpurow.at(0));
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cpus.emplace_back(cpu);
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}
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if (!cputable.eof())
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return _error->Error("Error reading the CPU table");
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// Load the architecture tuple
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std::ifstream tupletable;
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if (FileExists(tuplepath))
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tupletable.open(tuplepath);
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else if (FileExists(tripletpath))
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tupletable.open(tripletpath);
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else
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return _error->Error("Cannot find dpkg tuplet or triplet table");
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APT::ArchToTupleMap.clear();
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for (std::string tupleline; std::getline(tupletable, tupleline); )
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{
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if (tupleline[0] == '#' || tupleline[0] == '\0')
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continue;
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std::vector<std::string> tuplerow = split(tupleline);
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auto tuple = APT::String::Strip(tuplerow.at(0));
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auto arch = APT::String::Strip(tuplerow.at(1));
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if (tuple.find("<cpu>") == tuple.npos && arch.find("<cpu>") == arch.npos)
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{
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APT::ArchToTupleMap.insert({std::string{arch}, VectorizeString(tuple, '-')});
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}
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else
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{
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for (auto && cpu : cpus)
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{
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auto mytuple = SubstVar(tuple, "<cpu>", cpu);
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auto myarch = SubstVar(arch, "<cpu>", cpu);
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APT::ArchToTupleMap.insert({myarch, VectorizeString(mytuple, '-')});
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}
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}
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}
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if (!tupletable.eof())
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return _error->Error("Error reading the Tuple table");
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return true;
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}
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/*}}}*/
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// pkgInitConfig - Initialize the configuration class /*{{{*/
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// ---------------------------------------------------------------------
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/* Directories are specified in such a way that the FindDir function will
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understand them. That is, if they don't start with a / then their parent
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is prepended, this allows a fair degree of flexibility. */
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bool pkgInitConfig(Configuration &Cnf)
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{
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// General APT things
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Cnf.CndSet("APT::Architecture", COMMON_ARCH);
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if (Cnf.Exists("APT::Build-Essential") == false)
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Cnf.Set("APT::Build-Essential::", "build-essential");
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Cnf.CndSet("APT::Install-Recommends", true);
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Cnf.CndSet("APT::Install-Suggests", false);
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Cnf.CndSet("APT::Key::Assert-Pubkey-Algo", ">=rsa2048,ed25519,ed448,nistp256,nistp384,nistp512,brainpoolP256r1,brainpoolP320r1,brainpoolP384r1,brainpoolP512r1,secp256k1");
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Cnf.CndSet("APT::Key::Assert-Pubkey-Algo::Next", ">=rsa2048,ed25519,ed448,nistp256,nistp384,nistp512");
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Cnf.CndSet("APT::Key::Assert-Pubkey-Algo::Future", ">=rsa3072,ed25519,ed448");
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Cnf.CndSet("Dir","/");
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// State
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Cnf.CndSet("Dir::State", &STATE_DIR[1]);
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Cnf.CndSet("Dir::State::lists","lists/");
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Cnf.CndSet("Dir::State::cdroms","cdroms.list");
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// Cache
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Cnf.CndSet("Dir::Cache", &CACHE_DIR[1]);
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Cnf.CndSet("Dir::Cache::archives","archives/");
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Cnf.CndSet("Dir::Cache::srcpkgcache","srcpkgcache.bin");
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Cnf.CndSet("Dir::Cache::pkgcache","pkgcache.bin");
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// Configuration
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Cnf.CndSet("Dir::Etc", &CONF_DIR[1]);
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Cnf.CndSet("Dir::Boot", "boot");
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Cnf.CndSet("Dir::Usr", "usr");
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Cnf.CndSet("Dir::Etc::sourcelist","sources.list");
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Cnf.CndSet("Dir::Etc::sourceparts","sources.list.d");
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Cnf.CndSet("Dir::Etc::main","apt.conf");
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Cnf.CndSet("Dir::Etc::netrc", "auth.conf");
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Cnf.CndSet("Dir::Etc::netrcparts", "auth.conf.d");
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Cnf.CndSet("Dir::Etc::parts","apt.conf.d");
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Cnf.CndSet("Dir::Etc::preferences","preferences");
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Cnf.CndSet("Dir::Etc::preferencesparts","preferences.d");
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Cnf.CndSet("Dir::Etc::trustedparts","trusted.gpg.d");
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Cnf.CndSet("Dir::Bin::methods", LIBEXEC_DIR "/methods");
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Cnf.CndSet("Dir::Bin::solvers::",LIBEXEC_DIR "/solvers");
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Cnf.CndSet("Dir::Bin::planners::",LIBEXEC_DIR "/planners");
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Cnf.CndSet("Dir::Media::MountPath","/media/apt");
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// State
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Cnf.CndSet("Dir::Log", &LOG_DIR[1]);
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Cnf.CndSet("Dir::Log::Terminal","term.log");
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Cnf.CndSet("Dir::Log::History","history.log");
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Cnf.CndSet("Dir::Log::Planner","eipp.log.xz");
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Cnf.Set("Dir::Ignore-Files-Silently::", "~$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.ucf-[a-z]+$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.orig$");
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Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$");
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// Repository security
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Cnf.CndSet("Acquire::AllowInsecureRepositories", false);
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Cnf.CndSet("Acquire::AllowWeakRepositories", false);
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Cnf.CndSet("Acquire::AllowDowngradeToInsecureRepositories", false);
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// Default cdrom mount point
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Cnf.CndSet("Acquire::cdrom::mount", "/media/cdrom/");
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// The default user we drop to in the methods
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Cnf.CndSet("APT::Sandbox::User", "_apt");
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Cnf.CndSet("Acquire::IndexTargets::deb::Packages::MetaKey", "$(COMPONENT)/binary-$(ARCHITECTURE)/Packages");
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Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatMetaKey", "Packages");
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Cnf.CndSet("Acquire::IndexTargets::deb::Packages::ShortDescription", "Packages");
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Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Description", "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Packages");
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Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatDescription", "$(RELEASE) Packages");
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Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Optional", false);
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Cnf.CndSet("Acquire::IndexTargets::deb::Translations::MetaKey", "$(COMPONENT)/i18n/Translation-$(LANGUAGE)");
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Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatMetaKey", "$(LANGUAGE)");
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Cnf.CndSet("Acquire::IndexTargets::deb::Translations::ShortDescription", "Translation-$(LANGUAGE)");
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Cnf.CndSet("Acquire::IndexTargets::deb::Translations::Description", "$(RELEASE)/$(COMPONENT) Translation-$(LANGUAGE)");
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Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatDescription", "$(RELEASE) Translation-$(LANGUAGE)");
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Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::MetaKey", "$(COMPONENT)/source/Sources");
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Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatMetaKey", "Sources");
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Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::ShortDescription", "Sources");
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Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Description", "$(RELEASE)/$(COMPONENT) Sources");
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Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatDescription", "$(RELEASE) Sources");
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Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Optional", false);
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Cnf.CndSet("Acquire::Changelogs::URI::Origin::Debian", "https://metadata.ftp-master.debian.org/changelogs/@CHANGEPATH@_changelog");
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Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ubuntu", "https://changelogs.ubuntu.com/changelogs/pool/@CHANGEPATH@/changelog");
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Cnf.CndSet("Acquire::Changelogs::AlwaysOnline::Origin::Ubuntu", true);
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Cnf.CndSet("Acquire::Snapshots::URI::Origin::Debian", "https://snapshot.debian.org/archive/debian/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Override::Label::Debian-Security", "https://snapshot.debian.org/archive/debian-security/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Origin::Ubuntu", "https://snapshot.ubuntu.com/ubuntu/@SNAPSHOTID@/");
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// Preseeds by host
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Cnf.CndSet("Acquire::Snapshots::URI::Host::archive.ubuntu.com", "https://snapshot.ubuntu.com/@PATH@/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Host::deb.debian.org", "https://snapshot.debian.org/archive/@PATH@/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Host::.archive.ubuntu.com", "https://snapshot.ubuntu.com/@PATH@/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Host::security.ubuntu.com", "https://snapshot.ubuntu.com/@PATH@/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Host::ppa.launchpadcontent.net", "https://snapshot.ppa.launchpadcontent.net/@PATH@/@SNAPSHOTID@/");
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Cnf.CndSet("Acquire::Snapshots::URI::Host::ppa.launchpad.net", "https://snapshot.ppa.launchpadcontent.net/@PATH@/@SNAPSHOTID@/");
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Cnf.CndSet("DPkg::Path", "/usr/sbin:/usr/bin:/sbin:/bin");
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// Read an alternate config file
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_error->PushToStack();
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const char *Cfg = getenv("APT_CONFIG");
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if (Cfg != 0 && strlen(Cfg) != 0)
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{
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if (RealFileExists(Cfg) == true)
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ReadConfigFile(Cnf, Cfg);
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else
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_error->WarningE("RealFileExists",_("Unable to read %s"),Cfg);
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}
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// Read the configuration parts dir
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std::string const Parts = Cnf.FindDir("Dir::Etc::parts", "/dev/null");
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if (DirectoryExists(Parts) == true)
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ReadConfigDir(Cnf, Parts);
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else if (APT::String::Endswith(Parts, "/dev/null") == false)
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_error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str());
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// Read the main config file
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std::string const FName = Cnf.FindFile("Dir::Etc::main", "/dev/null");
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if (RealFileExists(FName) == true)
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ReadConfigFile(Cnf, FName);
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if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
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Cnf.Dump();
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#ifdef APT_DOMAIN
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if (Cnf.Exists("Dir::Locale"))
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{
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bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str());
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bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str());
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}
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#endif
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auto const good = _error->PendingError() == false;
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_error->MergeWithStack();
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return good;
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}
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/*}}}*/
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// pkgInitSystem - Initialize the _system class /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
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{
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Sys = 0;
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std::string Label = Cnf.Find("Apt::System","");
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if (Label.empty() == false)
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{
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Sys = pkgSystem::GetSystem(Label.c_str());
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if (Sys == 0)
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return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str());
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}
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else
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{
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signed MaxScore = 0;
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for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++)
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{
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signed Score = pkgSystem::GlobalList[I]->Score(Cnf);
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if (Score > MaxScore)
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{
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MaxScore = Score;
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Sys = pkgSystem::GlobalList[I];
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}
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}
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if (Sys == 0)
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return _error->Error(_("Unable to determine a suitable packaging system type"));
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}
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if (pkgInitArchTupleMap() == false)
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return false;
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return Sys->Initialize(Cnf);
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}
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/*}}}*/
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