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// -*- 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::netrcparts", "auth.conf.d");
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", "https://metadata.ftp-master.debian.org/changelogs/@CHANGEPATH@_changelog");
Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ubuntu", "https://changelogs.ubuntu.com/changelogs/pool/@CHANGEPATH@/changelog");
Cnf.CndSet("Acquire::Changelogs::AlwaysOnline::Origin::Ubuntu", true);
Cnf.CndSet("DPkg::Path", "/usr/sbin:/usr/bin:/sbin:/bin");
// 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 class /*{{{*/
// ---------------------------------------------------------------------
/* */
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);
}
/*}}}*/
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