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/strutl.h>
  19 #include <apt-pkg/macros.h>
  20
  21 #include <string.h>
  22 #include <cstdlib>
  23
  24 #include <apti18n.h>
  25                                                                         /*}}}*/
  26
  27 #define Stringfy_(x) # x
  28 #define Stringfy(x)  Stringfy_(x)
  29 const char *pkgVersion = PACKAGE_VERSION;
  30 const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "."
  31                             Stringfy(APT_PKG_MINOR) "."
  32                             Stringfy(APT_PKG_RELEASE);
  33
  34 // pkgInitConfig - Initialize the configuration class                   /*{{{*/
  35 // ---------------------------------------------------------------------
  36 /* Directories are specified in such a way that the FindDir function will
  37    understand them. That is, if they don't start with a / then their parent
  38    is prepended, this allows a fair degree of flexability. */
  39 bool pkgInitConfig(Configuration &Cnf)
  40 {
  41    // General APT things
  42    Cnf.CndSet("APT::Architecture", COMMON_ARCH);
  43    if (Cnf.Exists("APT::Build-Essential") == false)
  44       Cnf.Set("APT::Build-Essential::", "build-essential");
  45    Cnf.CndSet("APT::Install-Recommends", true);
  46    Cnf.CndSet("APT::Install-Suggests", false);
  47    Cnf.CndSet("Dir","/");
  48
  49    // State
  50    Cnf.CndSet("Dir::State", STATE_DIR + 1);
  51    Cnf.CndSet("Dir::State::lists","lists/");
  52    Cnf.CndSet("Dir::State::cdroms","cdroms.list");
  53    Cnf.CndSet("Dir::State::mirrors","mirrors/");
  54
  55    // Cache
  56    Cnf.CndSet("Dir::Cache", CACHE_DIR + 1);
  57    Cnf.CndSet("Dir::Cache::archives","archives/");
  58    Cnf.CndSet("Dir::Cache::srcpkgcache","srcpkgcache.bin");
  59    Cnf.CndSet("Dir::Cache::pkgcache","pkgcache.bin");
  60
  61    // Configuration
  62    Cnf.CndSet("Dir::Etc", CONF_DIR + 1);
  63    Cnf.CndSet("Dir::Etc::sourcelist","sources.list");
  64    Cnf.CndSet("Dir::Etc::sourceparts","sources.list.d");
  65    Cnf.CndSet("Dir::Etc::main","apt.conf");
  66    Cnf.CndSet("Dir::Etc::netrc", "auth.conf");
  67    Cnf.CndSet("Dir::Etc::parts","apt.conf.d");
  68    Cnf.CndSet("Dir::Etc::preferences","preferences");
  69    Cnf.CndSet("Dir::Etc::preferencesparts","preferences.d");
  70    Cnf.CndSet("Dir::Etc::trusted", "trusted.gpg");
  71    Cnf.CndSet("Dir::Etc::trustedparts","trusted.gpg.d");
  72    Cnf.CndSet("Dir::Bin::methods", LIBEXEC_DIR "/methods");
  73    Cnf.CndSet("Dir::Bin::solvers::",LIBEXEC_DIR  "/solvers");
  74    Cnf.CndSet("Dir::Bin::planners::",LIBEXEC_DIR  "/planners");
  75    Cnf.CndSet("Dir::Media::MountPath","/media/apt");
  76
  77    // State
  78    Cnf.CndSet("Dir::Log", LOG_DIR + 1);
  79    Cnf.CndSet("Dir::Log::Terminal","term.log");
  80    Cnf.CndSet("Dir::Log::History","history.log");
  81    Cnf.CndSet("Dir::Log::Planner","eipp.log.xz");
  82
  83    Cnf.Set("Dir::Ignore-Files-Silently::", "~$");
  84    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$");
  85    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$");
  86    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$");
  87    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$");
  88    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.orig$");
  89    Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$");
  90
  91    // Repository security
  92    Cnf.CndSet("Acquire::AllowInsecureRepositories", false);
  93    Cnf.CndSet("Acquire::AllowWeakRepositories", false);
  94    Cnf.CndSet("Acquire::AllowDowngradeToInsecureRepositories", false);
  95
  96    // Default cdrom mount point
  97    Cnf.CndSet("Acquire::cdrom::mount", "/media/cdrom/");
  98
  99    // The default user we drop to in the methods
 100    Cnf.CndSet("APT::Sandbox::User", "_apt");
 101
 102    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::MetaKey", "$(COMPONENT)/binary-$(ARCHITECTURE)/Packages");
 103    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatMetaKey", "Packages");
 104    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::ShortDescription", "Packages");
 105    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Description", "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Packages");
 106    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatDescription", "$(RELEASE) Packages");
 107    Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Optional", false);
 108    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::MetaKey", "$(COMPONENT)/i18n/Translation-$(LANGUAGE)");
 109    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatMetaKey", "$(LANGUAGE)");
 110    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::ShortDescription", "Translation-$(LANGUAGE)");
 111    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::Description", "$(RELEASE)/$(COMPONENT) Translation-$(LANGUAGE)");
 112    Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatDescription", "$(RELEASE) Translation-$(LANGUAGE)");
 113    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::MetaKey", "$(COMPONENT)/source/Sources");
 114    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatMetaKey", "Sources");
 115    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::ShortDescription", "Sources");
 116    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Description", "$(RELEASE)/$(COMPONENT) Sources");
 117    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatDescription", "$(RELEASE) Sources");
 118    Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Optional", false);
 119
 120    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Debian", "http://metadata.ftp-master.debian.org/changelogs/@CHANGEPATH@_changelog");
 121    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Tanglu", "http://metadata.tanglu.org/changelogs/@CHANGEPATH@_changelog");
 122    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ubuntu", "http://changelogs.ubuntu.com/changelogs/pool/@CHANGEPATH@/changelog");
 123    Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ultimedia", "http://packages.ultimediaos.com/changelogs/pool/@CHANGEPATH@/changelog.txt");
 124    Cnf.CndSet("Acquire::Changelogs::AlwaysOnline::Origin::Ubuntu", true);
 125
 126    bool Res = true;
 127
 128    // Read an alternate config file
 129    const char *Cfg = getenv("APT_CONFIG");
 130    if (Cfg != 0 && strlen(Cfg) != 0)
 131    {
 132       if (RealFileExists(Cfg) == true)
 133          Res &= ReadConfigFile(Cnf,Cfg);
 134       else
 135          _error->WarningE("RealFileExists",_("Unable to read %s"),Cfg);
 136    }
 137
 138    // Read the configuration parts dir
 139    std::string const Parts = Cnf.FindDir("Dir::Etc::parts", "/dev/null");
 140    if (DirectoryExists(Parts) == true)
 141       Res &= ReadConfigDir(Cnf,Parts);
 142    else if (APT::String::Endswith(Parts, "/dev/null") == false)
 143       _error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str());
 144
 145    // Read the main config file
 146    std::string const FName = Cnf.FindFile("Dir::Etc::main", "/dev/null");
 147    if (RealFileExists(FName) == true)
 148       Res &= ReadConfigFile(Cnf,FName);
 149
 150    if (Res == false)
 151       return false;
 152
 153    if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
 154       Cnf.Dump();
 155
 156 #ifdef APT_DOMAIN
 157    if (Cnf.Exists("Dir::Locale"))
 158    {
 159       bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str());
 160       bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str());
 161    }
 162 #endif
 163
 164    return true;
 165 }
 166                                                                         /*}}}*/
 167 // pkgInitSystem - Initialize the _system calss                         /*{{{*/
 168 // ---------------------------------------------------------------------
 169 /* */
 170 bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
 171 {
 172    Sys = 0;
 173    std::string Label = Cnf.Find("Apt::System","");
 174    if (Label.empty() == false)
 175    {
 176       Sys = pkgSystem::GetSystem(Label.c_str());
 177       if (Sys == 0)
 178          return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str());
 179    }
 180    else
 181    {
 182       signed MaxScore = 0;
 183       for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++)
 184       {
 185          signed Score = pkgSystem::GlobalList[I]->Score(Cnf);
 186          if (Score > MaxScore)
 187          {
 188             MaxScore = Score;
 189             Sys = pkgSystem::GlobalList[I];
 190          }
 191       }
 192
 193       if (Sys == 0)
 194          return _error->Error(_("Unable to determine a suitable packaging system type"));
 195    }
 196
 197    return Sys->Initialize(Cnf);
 198 }
 199                                                                         /*}}}*/