apt-pkg/init.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: init.cc,v 1.20 2003/02/09 20:31:05 doogie Exp $
   4 /* ######################################################################
   5
   6    Init - Initialize the package library
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 // Include files                                                        /*{{{*/
  11 #include<config.h>
  12
  13 #include <apt-pkg/init.h>
  14 #include <apt-pkg/fileutl.h>
  15 #include <apt-pkg/error.h>
  16 #include <apt-pkg/pkgsystem.h>
  17 #include <apt-pkg/configuration.h>
  18 #include <apt-pkg/macros.h>
  19
  20 #include <string.h>
  21 #include <cstdlib>
  22
  23 #include <apti18n.h>
  24                                                                         /*}}}*/
  25
  26 #define Stringfy_(x) # x
  27 #define Stringfy(x)  Stringfy_(x)
  28 const char *pkgVersion = PACKAGE_VERSION;
  29 const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "."
  30                             Stringfy(APT_PKG_MINOR) "."
  31                             Stringfy(APT_PKG_RELEASE);
  32
  33 // pkgInitConfig - Initialize the configuration class                   /*{{{*/
  34 // ---------------------------------------------------------------------
  35 /* Directories are specified in such a way that the FindDir function will
  36    understand them. That is, if they don't start with a / then their parent
  37    is prepended, this allows a fair degree of flexability. */
  38 bool pkgInitConfig(Configuration &Cnf)
  39 {
  40    // General APT things
  41    Cnf.CndSet("APT::Architecture", COMMON_ARCH);
  42    if (Cnf.Exists("APT::Build-Essential") == false)
  43       Cnf.Set("APT::Build-Essential::", "build-essential");
  44    Cnf.CndSet("APT::Install-Recommends", true);
  45    Cnf.CndSet("APT::Install-Suggests", false);
  46    Cnf.CndSet("Dir","/");
  47
  48    // State
  49    Cnf.CndSet("Dir::State","var/lib/apt/");
  50    Cnf.CndSet("Dir::State::lists","lists/");
  51    Cnf.CndSet("Dir::State::cdroms","cdroms.list");
  52    Cnf.CndSet("Dir::State::mirrors","mirrors/");
  53
  54    // Cache
  55    Cnf.CndSet("Dir::Cache","var/cache/apt/");
  56    Cnf.CndSet("Dir::Cache::archives","archives/");
  57    Cnf.CndSet("Dir::Cache::srcpkgcache","srcpkgcache.bin");
  58    Cnf.CndSet("Dir::Cache::pkgcache","pkgcache.bin");
  59
  60    // Configuration
  61    Cnf.CndSet("Dir::Etc","etc/apt/");
  62    Cnf.CndSet("Dir::Etc::sourcelist","sources.list");
  63    Cnf.CndSet("Dir::Etc::sourceparts","sources.list.d");
  64    Cnf.CndSet("Dir::Etc::main","apt.conf");
  65    Cnf.CndSet("Dir::Etc::netrc", "auth.conf");
  66    Cnf.CndSet("Dir::Etc::parts","apt.conf.d");
  67    Cnf.CndSet("Dir::Etc::preferences","preferences");
  68    Cnf.CndSet("Dir::Etc::preferencesparts","preferences.d");
  69    Cnf.CndSet("Dir::Etc::trusted", "trusted.gpg");
  70    Cnf.CndSet("Dir::Etc::trustedparts","trusted.gpg.d");
  71    Cnf.CndSet("Dir::Bin::methods","/usr/lib/apt/methods");
  72    Cnf.CndSet("Dir::Bin::solvers::","/usr/lib/apt/solvers");
  73    Cnf.CndSet("Dir::Media::MountPath","/media/apt");
  74
  75    // State
  76    Cnf.CndSet("Dir::Log","var/log/apt");
  77    Cnf.CndSet("Dir::Log::Terminal","term.log");
  78    Cnf.CndSet("Dir::Log::History","history.log");
  79
  80    Cnf.Set("Dir::Ignore-Files-Silently::", "~$");
  81    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$");
  82    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$");
  83    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$");
  84    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$");
  85    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.orig$");
  86    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$");
  87
  88    // Repository security
  89    // FIXME: this is set to "true" for backward compatibility, once
  90    //        jessie is out we want to change this to "false" to
  91    //        improve security
  92    Cnf.CndSet("Acquire::AllowInsecureRepositories", true);
  93    Cnf.CndSet("Acquire::AllowDowngradeToInsecureRepositories", false);
  94
  95    // Default cdrom mount point
  96    Cnf.CndSet("Acquire::cdrom::mount", "/media/cdrom/");
  97
  98    // The default user we drop to in the methods
  99    Cnf.CndSet("APT::Sandbox::User", "_apt");
 100
 101    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::MetaKey", "$(COMPONENT)/binary-$(ARCHITECTURE)/Packages");
 102    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatMetaKey", "Packages");
 103    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::ShortDescription", "Packages");
 104    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Description", "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Packages");
 105    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatDescription", "$(RELEASE) Packages");
 106    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Optional", false);
 107    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::MetaKey", "$(COMPONENT)/i18n/Translation-$(LANGUAGE)");
 108    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatMetaKey", "$(LANGUAGE)");
 109    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::ShortDescription", "Translation-$(LANGUAGE)");
 110    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::Description", "$(RELEASE)/$(COMPONENT) Translation-$(LANGUAGE)");
 111    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatDescription", "$(RELEASE) Translation-$(LANGUAGE)");
 112    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::MetaKey", "$(COMPONENT)/source/Sources");
 113    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatMetaKey", "Sources");
 114    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::ShortDescription", "Sources");
 115    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Description", "$(RELEASE)/$(COMPONENT) Sources");
 116    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatDescription", "$(RELEASE) Sources");
 117    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Optional", false);
 118
 119    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Debian", "http://metadata.ftp-master.debian.org/changelogs/CHANGEPATH_changelog");
 120    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Tanglu", "http://metadata.tanglu.org/changelogs/CHANGEPATH_changelog");
 121    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ubuntu", "http://changelogs.ubuntu.com/changelogs/pool/CHANGEPATH/changelog");
 122    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ultimedia", "http://packages.ultimediaos.com/changelogs/pool/CHANGEPATH/changelog.txt");
 123
 124    bool Res = true;
 125
 126    // Read an alternate config file
 127    const char *Cfg = getenv("APT_CONFIG");
 128    if (Cfg != 0 && strlen(Cfg) != 0)
 129    {
 130       if (RealFileExists(Cfg) == true)
 131          Res &= ReadConfigFile(Cnf,Cfg);
 132       else
 133          _error->WarningE("RealFileExists",_("Unable to read %s"),Cfg);
 134    }
 135
 136    // Read the configuration parts dir
 137    std::string Parts = Cnf.FindDir("Dir::Etc::parts");
 138    if (DirectoryExists(Parts) == true)
 139       Res &= ReadConfigDir(Cnf,Parts);
 140    else
 141       _error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str());
 142
 143    // Read the main config file
 144    std::string FName = Cnf.FindFile("Dir::Etc::main");
 145    if (RealFileExists(FName) == true)
 146       Res &= ReadConfigFile(Cnf,FName);
 147
 148    if (Res == false)
 149       return false;
 150
 151    if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
 152       Cnf.Dump();
 153
 154 #ifdef APT_DOMAIN
 155    if (Cnf.Exists("Dir::Locale"))
 156    {
 157       bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str());
 158       bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str());
 159    }
 160 #endif
 161
 162    return true;
 163 }
 164                                                                         /*}}}*/
 165 // pkgInitSystem - Initialize the _system calss                         /*{{{*/
 166 // ---------------------------------------------------------------------
 167 /* */
 168 bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
 169 {
 170    Sys = 0;
 171    std::string Label = Cnf.Find("Apt::System","");
 172    if (Label.empty() == false)
 173    {
 174       Sys = pkgSystem::GetSystem(Label.c_str());
 175       if (Sys == 0)
 176          return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str());
 177    }
 178    else
 179    {
 180       signed MaxScore = 0;
 181       for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++)
 182       {
 183          signed Score = pkgSystem::GlobalList[I]->Score(Cnf);
 184          if (Score > MaxScore)
 185          {
 186             MaxScore = Score;
 187             Sys = pkgSystem::GlobalList[I];
 188          }
 189       }
 190
 191       if (Sys == 0)
 192          return _error->Error(_("Unable to determine a suitable packaging system type"));
 193    }
 194
 195    return Sys->Initialize(Cnf);
 196 }
 197                                                                         /*}}}*/