Adding upstream version 2.7.12.upstream/2.7.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 299 insertions, 0 deletions

diff --git a/apt-pkg/init.cc b/apt-pkg/init.cc
new file mode 100644
index 0000000..f1742c0
--- /dev/null
+++ b/apt-pkg/init.cc
@@ -0,0 +1,299 @@
+// -*- 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 <cstring>
+#include <fstream>
+#include <sstream>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#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("Acquire::Snapshots::URI::Origin::Debian", "https://snapshot.debian.org/archive/debian/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Override::Label::Debian-Security", "https://snapshot.debian.org/archive/debian-security/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Origin::Ubuntu", "https://snapshot.ubuntu.com/ubuntu/@SNAPSHOTID@/");
+   // Preseeds by host
+   Cnf.CndSet("Acquire::Snapshots::URI::Host::archive.ubuntu.com", "https://snapshot.ubuntu.com/@PATH@/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Host::deb.debian.org", "https://snapshot.debian.org/archive/@PATH@/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Host::.archive.ubuntu.com", "https://snapshot.ubuntu.com/@PATH@/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Host::security.ubuntu.com", "https://snapshot.ubuntu.com/@PATH@/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Host::ppa.launchpadcontent.net", "https://snapshot.ppa.launchpadcontent.net/@PATH@/@SNAPSHOTID@/");
+   Cnf.CndSet("Acquire::Snapshots::URI::Host::ppa.launchpad.net", "https://snapshot.ppa.launchpadcontent.net/@PATH@/@SNAPSHOTID@/");
+
+   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);
+}
+									/*}}}*/