apt-pkg/deb/debmetaindex.cc

   1 #include <config.h>
   2
   3 #include <apt-pkg/error.h>
   4 #include <apt-pkg/debmetaindex.h>
   5 #include <apt-pkg/debindexfile.h>
   6 #include <apt-pkg/strutl.h>
   7 #include <apt-pkg/fileutl.h>
   8 #include <apt-pkg/acquire-item.h>
   9 #include <apt-pkg/configuration.h>
  10 #include <apt-pkg/aptconfiguration.h>
  11 #include <apt-pkg/sourcelist.h>
  12 #include <apt-pkg/hashes.h>
  13 #include <apt-pkg/metaindex.h>
  14 #include <apt-pkg/pkgcachegen.h>
  15 #include <apt-pkg/tagfile.h>
  16 #include <apt-pkg/gpgv.h>
  17 #include <apt-pkg/macros.h>
  18
  19 #include <map>
  20 #include <string>
  21 #include <utility>
  22 #include <vector>
  23 #include <algorithm>
  24 #include <sstream>
  25
  26 #include <sys/stat.h>
  27 #include <string.h>
  28
  29 #include <apti18n.h>
  30
  31 class APT_HIDDEN debReleaseIndexPrivate                                 /*{{{*/
  32 {
  33    public:
  34    struct APT_HIDDEN debSectionEntry
  35    {
  36       std::string const sourcesEntry;
  37       std::string const Name;
  38       std::vector<std::string> const Targets;
  39       std::vector<std::string> const Architectures;
  40       std::vector<std::string> const Languages;
  41       bool const UsePDiffs;
  42       std::string const UseByHash;
  43    };
  44
  45    std::vector<debSectionEntry> DebEntries;
  46    std::vector<debSectionEntry> DebSrcEntries;
  47
  48    metaIndex::TriState CheckValidUntil;
  49    time_t ValidUntilMin;
  50    time_t ValidUntilMax;
  51
  52    std::vector<std::string> Architectures;
  53    std::vector<std::string> NoSupportForAll;
  54
  55    debReleaseIndexPrivate() : CheckValidUntil(metaIndex::TRI_UNSET), ValidUntilMin(0), ValidUntilMax(0) {}
  56 };
  57                                                                         /*}}}*/
  58 // ReleaseIndex::MetaIndex* - display helpers                           /*{{{*/
  59 std::string debReleaseIndex::MetaIndexInfo(const char *Type) const
  60 {
  61    std::string Info = ::URI::ArchiveOnly(URI) + ' ';
  62    if (Dist[Dist.size() - 1] == '/')
  63    {
  64       if (Dist != "/")
  65          Info += Dist;
  66    }
  67    else
  68       Info += Dist;
  69    Info += " ";
  70    Info += Type;
  71    return Info;
  72 }
  73 std::string debReleaseIndex::Describe() const
  74 {
  75    return MetaIndexInfo("Release");
  76 }
  77
  78 std::string debReleaseIndex::MetaIndexFile(const char *Type) const
  79 {
  80    return _config->FindDir("Dir::State::lists") +
  81       URItoFileName(MetaIndexURI(Type));
  82 }
  83
  84 std::string debReleaseIndex::MetaIndexURI(const char *Type) const
  85 {
  86    std::string Res;
  87
  88    if (Dist == "/")
  89       Res = URI;
  90    else if (Dist[Dist.size()-1] == '/')
  91       Res = URI + Dist;
  92    else
  93       Res = URI + "dists/" + Dist + "/";
  94
  95    Res += Type;
  96    return Res;
  97 }
  98                                                                         /*}}}*/
  99 // ReleaseIndex Con- and Destructors                                    /*{{{*/
 100 debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist) :
 101                                         metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate())
 102 {}
 103 debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, bool const pTrusted) :
 104                                         metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate())
 105 {
 106    Trusted = pTrusted ? TRI_YES : TRI_NO;
 107 }
 108 debReleaseIndex::~debReleaseIndex() {
 109    if (d != NULL)
 110       delete d;
 111 }
 112                                                                         /*}}}*/
 113 // ReleaseIndex::GetIndexTargets                                        /*{{{*/
 114 static void GetIndexTargetsFor(char const * const Type, std::string const &URI, std::string const &Dist,
 115       std::vector<debReleaseIndexPrivate::debSectionEntry> const &entries,
 116       std::vector<IndexTarget> &IndexTargets)
 117 {
 118    bool const flatArchive = (Dist[Dist.length() - 1] == '/');
 119    std::string baseURI = URI;
 120    if (flatArchive)
 121    {
 122       if (Dist != "/")
 123          baseURI += Dist;
 124    }
 125    else
 126       baseURI += "dists/" + Dist + "/";
 127    std::string const Release = (Dist == "/") ? "" : Dist;
 128    std::string const Site = ::URI::ArchiveOnly(URI);
 129
 130    std::string DefCompressionTypes;
 131    {
 132       std::vector<std::string> types = APT::Configuration::getCompressionTypes();
 133       if (types.empty() == false)
 134       {
 135          std::ostringstream os;
 136          std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
 137          os << *types.rbegin();
 138          DefCompressionTypes = os.str();
 139       }
 140    }
 141    std::string DefKeepCompressedAs;
 142    {
 143       std::vector<APT::Configuration::Compressor> comps = APT::Configuration::getCompressors();
 144       if (comps.empty() == false)
 145       {
 146          std::sort(comps.begin(), comps.end(),
 147                [](APT::Configuration::Compressor const &a, APT::Configuration::Compressor const &b) { return a.Cost < b.Cost; });
 148          std::ostringstream os;
 149          for (auto const &c : comps)
 150             if (c.Cost != 0)
 151                os << c.Extension.substr(1) << ' ';
 152          DefKeepCompressedAs = os.str();
 153       }
 154       DefKeepCompressedAs += "uncompressed";
 155    }
 156
 157    std::vector<std::string> const NativeArchs = { _config->Find("APT::Architecture"), "all" };
 158    bool const GzipIndex = _config->FindB("Acquire::GzipIndexes", false);
 159    for (std::vector<debReleaseIndexPrivate::debSectionEntry>::const_iterator E = entries.begin(); E != entries.end(); ++E)
 160    {
 161       for (std::vector<std::string>::const_iterator T = E->Targets.begin(); T != E->Targets.end(); ++T)
 162       {
 163 #define APT_T_CONFIG_STR(X, Y) _config->Find(std::string("Acquire::IndexTargets::") + Type  + "::" + *T + "::" + (X), (Y))
 164 #define APT_T_CONFIG_BOOL(X, Y) _config->FindB(std::string("Acquire::IndexTargets::") + Type  + "::" + *T + "::" + (X), (Y))
 165          std::string const tplMetaKey = APT_T_CONFIG_STR(flatArchive ? "flatMetaKey" : "MetaKey", "");
 166          std::string const tplShortDesc = APT_T_CONFIG_STR("ShortDescription", "");
 167          std::string const tplLongDesc = "$(SITE) " + APT_T_CONFIG_STR(flatArchive ? "flatDescription" : "Description", "");
 168          std::string const tplIdentifier = APT_T_CONFIG_STR("Identifier", *T);
 169          bool const IsOptional = APT_T_CONFIG_BOOL("Optional", true);
 170          bool const KeepCompressed = APT_T_CONFIG_BOOL("KeepCompressed", GzipIndex);
 171          bool const DefaultEnabled = APT_T_CONFIG_BOOL("DefaultEnabled", true);
 172          bool const UsePDiffs = APT_T_CONFIG_BOOL("PDiffs", E->UsePDiffs);
 173          std::string const UseByHash = APT_T_CONFIG_STR("By-Hash", E->UseByHash);
 174          std::string const CompressionTypes = APT_T_CONFIG_STR("CompressionTypes", DefCompressionTypes);
 175          std::string KeepCompressedAs = APT_T_CONFIG_STR("KeepCompressedAs", "");
 176          std::string const FallbackOf = APT_T_CONFIG_STR("Fallback-Of", "");
 177 #undef APT_T_CONFIG_BOOL
 178 #undef APT_T_CONFIG_STR
 179          if (tplMetaKey.empty())
 180             continue;
 181
 182          if (KeepCompressedAs.empty())
 183             KeepCompressedAs = DefKeepCompressedAs;
 184          else
 185          {
 186             std::vector<std::string> const defKeep = VectorizeString(DefKeepCompressedAs, ' ');
 187             std::vector<std::string> const valKeep = VectorizeString(KeepCompressedAs, ' ');
 188             std::vector<std::string> keep;
 189             for (auto const &val : valKeep)
 190             {
 191                if (val.empty())
 192                   continue;
 193                if (std::find(defKeep.begin(), defKeep.end(), val) == defKeep.end())
 194                   continue;
 195                keep.push_back(val);
 196             }
 197             if (std::find(keep.begin(), keep.end(), "uncompressed") == keep.end())
 198                keep.push_back("uncompressed");
 199             std::ostringstream os;
 200             std::copy(keep.begin(), keep.end()-1, std::ostream_iterator<std::string>(os, " "));
 201             os << *keep.rbegin();
 202             KeepCompressedAs = os.str();
 203          }
 204
 205          for (std::vector<std::string>::const_iterator L = E->Languages.begin(); L != E->Languages.end(); ++L)
 206          {
 207             if (*L == "none" && tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
 208                continue;
 209
 210             for (std::vector<std::string>::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A)
 211             {
 212                for (auto const &NativeArch: NativeArchs)
 213                {
 214                   constexpr static auto BreakPoint = "$(NATIVE_ARCHITECTURE)";
 215                   // available in templates
 216                   std::map<std::string, std::string> Options;
 217                   Options.insert(std::make_pair("SITE", Site));
 218                   Options.insert(std::make_pair("RELEASE", Release));
 219                   if (tplMetaKey.find("$(COMPONENT)") != std::string::npos)
 220                      Options.insert(std::make_pair("COMPONENT", E->Name));
 221                   if (tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
 222                      Options.insert(std::make_pair("LANGUAGE", *L));
 223                   if (tplMetaKey.find("$(ARCHITECTURE)") != std::string::npos)
 224                      Options.insert(std::make_pair("ARCHITECTURE", *A));
 225                   else if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos)
 226                      Options.insert(std::make_pair("ARCHITECTURE", NativeArch));
 227                   if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos)
 228                      Options.insert(std::make_pair("NATIVE_ARCHITECTURE", NativeArch));
 229
 230                   std::string MetaKey = tplMetaKey;
 231                   std::string ShortDesc = tplShortDesc;
 232                   std::string LongDesc = tplLongDesc;
 233                   std::string Identifier = tplIdentifier;
 234                   for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
 235                   {
 236                      std::string const varname = "$(" + O->first + ")";
 237                      MetaKey = SubstVar(MetaKey, varname, O->second);
 238                      ShortDesc = SubstVar(ShortDesc, varname, O->second);
 239                      LongDesc = SubstVar(LongDesc, varname, O->second);
 240                      Identifier = SubstVar(Identifier, varname, O->second);
 241                   }
 242
 243                   {
 244                      auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) {
 245                         return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) &&
 246                            E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T == IT.Option(IndexTarget::CREATED_BY);
 247                      });
 248                      if (dup != IndexTargets.end())
 249                      {
 250                         if (tplMetaKey.find(BreakPoint) == std::string::npos)
 251                            break;
 252                         continue;
 253                      }
 254                   }
 255
 256                   {
 257                      auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) {
 258                         return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) &&
 259                            E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T != IT.Option(IndexTarget::CREATED_BY);
 260                         });
 261                      if (dup != IndexTargets.end())
 262                      {
 263                         std::string const dupT = dup->Option(IndexTarget::CREATED_BY);
 264                         std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY);
 265                         //TRANSLATOR: an identifier like Packages; Releasefile key indicating
 266                         // a file like main/binary-amd64/Packages; another identifier like Contents;
 267                         // filename and linenumber of the sources.list entry currently parsed
 268                         _error->Warning(_("Target %s wants to acquire the same file (%s) as %s from source %s"),
 269                               T->c_str(), MetaKey.c_str(), dupT.c_str(), dupEntry.c_str());
 270                         if (tplMetaKey.find(BreakPoint) == std::string::npos)
 271                            break;
 272                         continue;
 273                      }
 274                   }
 275
 276                   {
 277                      auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &T) {
 278                         return MetaKey == T.MetaKey && baseURI == T.Option(IndexTarget::BASE_URI) &&
 279                            E->sourcesEntry != T.Option(IndexTarget::SOURCESENTRY);
 280                      });
 281                      if (dup != IndexTargets.end())
 282                      {
 283                         std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY);
 284                         //TRANSLATOR: an identifier like Packages; Releasefile key indicating
 285                         // a file like main/binary-amd64/Packages; filename and linenumber of
 286                         // two sources.list entries
 287                         _error->Warning(_("Target %s (%s) is configured multiple times in %s and %s"),
 288                               T->c_str(), MetaKey.c_str(), dupEntry.c_str(), E->sourcesEntry.c_str());
 289                         if (tplMetaKey.find(BreakPoint) == std::string::npos)
 290                            break;
 291                         continue;
 292                      }
 293                   }
 294
 295                   // not available in templates, but in the indextarget
 296                   Options.insert(std::make_pair("BASE_URI", baseURI));
 297                   Options.insert(std::make_pair("REPO_URI", URI));
 298                   Options.insert(std::make_pair("IDENTIFIER", Identifier));
 299                   Options.insert(std::make_pair("TARGET_OF", Type));
 300                   Options.insert(std::make_pair("CREATED_BY", *T));
 301                   Options.insert(std::make_pair("FALLBACK_OF", FallbackOf));
 302                   Options.insert(std::make_pair("PDIFFS", UsePDiffs ? "yes" : "no"));
 303                   Options.insert(std::make_pair("BY_HASH", UseByHash));
 304                   Options.insert(std::make_pair("DEFAULTENABLED", DefaultEnabled ? "yes" : "no"));
 305                   Options.insert(std::make_pair("COMPRESSIONTYPES", CompressionTypes));
 306                   Options.insert(std::make_pair("KEEPCOMPRESSEDAS", KeepCompressedAs));
 307                   Options.insert(std::make_pair("SOURCESENTRY", E->sourcesEntry));
 308
 309                   bool IsOpt = IsOptional;
 310                   if (IsOpt == false)
 311                   {
 312                      auto const arch = Options.find("ARCHITECTURE");
 313                      if (arch != Options.end() && arch->second == "all")
 314                         IsOpt = true;
 315                   }
 316
 317                   IndexTarget Target(
 318                         MetaKey,
 319                         ShortDesc,
 320                         LongDesc,
 321                         Options.find("BASE_URI")->second + MetaKey,
 322                         IsOpt,
 323                         KeepCompressed,
 324                         Options
 325                         );
 326                   IndexTargets.push_back(Target);
 327
 328                   if (tplMetaKey.find(BreakPoint) == std::string::npos)
 329                      break;
 330                }
 331
 332                if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos)
 333                   break;
 334
 335             }
 336
 337             if (tplMetaKey.find("$(LANGUAGE)") == std::string::npos)
 338                break;
 339
 340          }
 341
 342       }
 343    }
 344 }
 345 std::vector<IndexTarget> debReleaseIndex::GetIndexTargets() const
 346 {
 347    std::vector<IndexTarget> IndexTargets;
 348    GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets);
 349    GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets);
 350    return IndexTargets;
 351 }
 352                                                                         /*}}}*/
 353 void debReleaseIndex::AddComponent(std::string const &sourcesEntry,     /*{{{*/
 354          bool const isSrc, std::string const &Name,
 355          std::vector<std::string> const &Targets,
 356          std::vector<std::string> const &Architectures,
 357          std::vector<std::string> Languages,
 358          bool const usePDiffs, std::string const &useByHash)
 359 {
 360    if (Languages.empty() == true)
 361       Languages.push_back("none");
 362    debReleaseIndexPrivate::debSectionEntry const entry = {
 363       sourcesEntry, Name, Targets, Architectures, Languages, usePDiffs, useByHash
 364    };
 365    if (isSrc)
 366       d->DebSrcEntries.push_back(entry);
 367    else
 368       d->DebEntries.push_back(entry);
 369 }
 370                                                                         /*}}}*/
 371
 372 bool debReleaseIndex::Load(std::string const &Filename, std::string * const ErrorText)/*{{{*/
 373 {
 374    LoadedSuccessfully = TRI_NO;
 375    FileFd Fd;
 376    if (OpenMaybeClearSignedFile(Filename, Fd) == false)
 377       return false;
 378
 379    pkgTagFile TagFile(&Fd, Fd.Size());
 380    if (Fd.IsOpen() == false || Fd.Failed())
 381    {
 382       if (ErrorText != NULL)
 383          strprintf(*ErrorText, _("Unable to parse Release file %s"),Filename.c_str());
 384       return false;
 385    }
 386
 387    pkgTagSection Section;
 388    const char *Start, *End;
 389    if (TagFile.Step(Section) == false)
 390    {
 391       if (ErrorText != NULL)
 392          strprintf(*ErrorText, _("No sections in Release file %s"), Filename.c_str());
 393       return false;
 394    }
 395    // FIXME: find better tag name
 396    SupportsAcquireByHash = Section.FindB("Acquire-By-Hash", false);
 397
 398    Suite = Section.FindS("Suite");
 399    Codename = Section.FindS("Codename");
 400    {
 401       std::string const archs = Section.FindS("Architectures");
 402       if (archs.empty() == false)
 403          d->Architectures = VectorizeString(archs, ' ');
 404    }
 405    {
 406       std::string const targets = Section.FindS("No-Support-for-Architecture-all");
 407       if (targets.empty() == false)
 408          d->NoSupportForAll = VectorizeString(targets, ' ');
 409    }
 410
 411    bool FoundHashSum = false;
 412    bool FoundStrongHashSum = false;
 413    auto const SupportedHashes = HashString::SupportedHashes();
 414    for (int i=0; SupportedHashes[i] != NULL; i++)
 415    {
 416       if (!Section.Find(SupportedHashes[i], Start, End))
 417          continue;
 418
 419       std::string Name;
 420       std::string Hash;
 421       unsigned long long Size;
 422       while (Start < End)
 423       {
 424          if (!parseSumData(Start, End, Name, Hash, Size))
 425             return false;
 426
 427          HashString const hs(SupportedHashes[i], Hash);
 428          if (Entries.find(Name) == Entries.end())
 429          {
 430             metaIndex::checkSum *Sum = new metaIndex::checkSum;
 431             Sum->MetaKeyFilename = Name;
 432             Sum->Size = Size;
 433             Sum->Hashes.FileSize(Size);
 434             APT_IGNORE_DEPRECATED(Sum->Hash = hs;)
 435             Entries[Name] = Sum;
 436          }
 437          Entries[Name]->Hashes.push_back(hs);
 438          FoundHashSum = true;
 439          if (FoundStrongHashSum == false && hs.usable() == true)
 440             FoundStrongHashSum = true;
 441       }
 442    }
 443
 444    if(FoundHashSum == false)
 445    {
 446       if (ErrorText != NULL)
 447          strprintf(*ErrorText, _("No Hash entry in Release file %s"), Filename.c_str());
 448       return false;
 449    }
 450    if(FoundStrongHashSum == false)
 451    {
 452       if (ErrorText != NULL)
 453          strprintf(*ErrorText, _("No Hash entry in Release file %s which is considered strong enough for security purposes"), Filename.c_str());
 454       return false;
 455    }
 456
 457    std::string const StrDate = Section.FindS("Date");
 458    if (RFC1123StrToTime(StrDate.c_str(), Date) == false)
 459    {
 460       _error->Warning( _("Invalid '%s' entry in Release file %s"), "Date", Filename.c_str());
 461       Date = 0;
 462    }
 463
 464    bool CheckValidUntil = _config->FindB("Acquire::Check-Valid-Until", true);
 465    if (d->CheckValidUntil == metaIndex::TRI_NO)
 466       CheckValidUntil = false;
 467    else if (d->CheckValidUntil == metaIndex::TRI_YES)
 468       CheckValidUntil = true;
 469
 470    if (CheckValidUntil == true)
 471    {
 472       std::string const Label = Section.FindS("Label");
 473       std::string const StrValidUntil = Section.FindS("Valid-Until");
 474
 475       // if we have a Valid-Until header in the Release file, use it as default
 476       if (StrValidUntil.empty() == false)
 477       {
 478          if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false)
 479          {
 480             if (ErrorText != NULL)
 481                strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Valid-Until", Filename.c_str());
 482             return false;
 483          }
 484       }
 485       // get the user settings for this archive and use what expires earlier
 486       time_t MaxAge = d->ValidUntilMax;
 487       if (MaxAge == 0)
 488       {
 489          MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
 490          if (Label.empty() == false)
 491             MaxAge = _config->FindI(("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
 492       }
 493       time_t MinAge = d->ValidUntilMin;
 494       if (MinAge == 0)
 495       {
 496          MinAge = _config->FindI("Acquire::Min-ValidTime", 0);
 497          if (Label.empty() == false)
 498             MinAge = _config->FindI(("Acquire::Min-ValidTime::" + Label).c_str(), MinAge);
 499       }
 500
 501       if (MinAge != 0 || ValidUntil != 0 || MaxAge != 0)
 502       {
 503          if (MinAge != 0 && ValidUntil != 0) {
 504             time_t const min_date = Date + MinAge;
 505             if (ValidUntil < min_date)
 506                ValidUntil = min_date;
 507          }
 508          if (MaxAge != 0 && Date != 0) {
 509             time_t const max_date = Date + MaxAge;
 510             if (ValidUntil == 0 || ValidUntil > max_date)
 511                ValidUntil = max_date;
 512          }
 513       }
 514    }
 515
 516    /* as the Release file is parsed only after it was verified, the Signed-By field
 517       does not effect the current, but the "next" Release file */
 518    auto Sign = Section.FindS("Signed-By");
 519    if (Sign.empty() == false)
 520    {
 521       std::transform(Sign.begin(), Sign.end(), Sign.begin(), [&](char const c) {
 522          return (isspace(c) == 0) ? c : ',';
 523       });
 524       auto fingers = VectorizeString(Sign, ',');
 525       std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) {
 526          std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper);
 527          if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos)
 528          {
 529             if (ErrorText != NULL)
 530                strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Signed-By", Filename.c_str());
 531             return std::string();
 532          }
 533          return finger;
 534       });
 535       if (fingers.empty() == false && std::find(fingers.begin(), fingers.end(), "") == fingers.end())
 536       {
 537          std::stringstream os;
 538          std::copy(fingers.begin(), fingers.end(), std::ostream_iterator<std::string>(os, ","));
 539          SignedBy = os.str();
 540       }
 541    }
 542
 543    LoadedSuccessfully = TRI_YES;
 544    return true;
 545 }
 546                                                                         /*}}}*/
 547 metaIndex * debReleaseIndex::UnloadedClone() const                      /*{{{*/
 548 {
 549    if (Trusted == TRI_NO)
 550       return new debReleaseIndex(URI, Dist, false);
 551    else if (Trusted == TRI_YES)
 552       return new debReleaseIndex(URI, Dist, true);
 553    else
 554       return new debReleaseIndex(URI, Dist);
 555 }
 556                                                                         /*}}}*/
 557 bool debReleaseIndex::parseSumData(const char *&Start, const char *End, /*{{{*/
 558                                    std::string &Name, std::string &Hash, unsigned long long &Size)
 559 {
 560    Name = "";
 561    Hash = "";
 562    Size = 0;
 563    /* Skip over the first blank */
 564    while ((*Start == '\t' || *Start == ' ' || *Start == '\n' || *Start == '\r')
 565           && Start < End)
 566       Start++;
 567    if (Start >= End)
 568       return false;
 569
 570    /* Move EntryEnd to the end of the first entry (the hash) */
 571    const char *EntryEnd = Start;
 572    while ((*EntryEnd != '\t' && *EntryEnd != ' ')
 573           && EntryEnd < End)
 574       EntryEnd++;
 575    if (EntryEnd == End)
 576       return false;
 577
 578    Hash.append(Start, EntryEnd-Start);
 579
 580    /* Skip over intermediate blanks */
 581    Start = EntryEnd;
 582    while (*Start == '\t' || *Start == ' ')
 583       Start++;
 584    if (Start >= End)
 585       return false;
 586
 587    EntryEnd = Start;
 588    /* Find the end of the second entry (the size) */
 589    while ((*EntryEnd != '\t' && *EntryEnd != ' ' )
 590           && EntryEnd < End)
 591       EntryEnd++;
 592    if (EntryEnd == End)
 593       return false;
 594
 595    Size = strtoull (Start, NULL, 10);
 596
 597    /* Skip over intermediate blanks */
 598    Start = EntryEnd;
 599    while (*Start == '\t' || *Start == ' ')
 600       Start++;
 601    if (Start >= End)
 602       return false;
 603
 604    EntryEnd = Start;
 605    /* Find the end of the third entry (the filename) */
 606    while ((*EntryEnd != '\t' && *EntryEnd != ' ' &&
 607            *EntryEnd != '\n' && *EntryEnd != '\r')
 608           && EntryEnd < End)
 609       EntryEnd++;
 610
 611    Name.append(Start, EntryEnd-Start);
 612    Start = EntryEnd; //prepare for the next round
 613    return true;
 614 }
 615                                                                         /*}}}*/
 616
 617 bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll)/*{{{*/
 618 {
 619 #define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, false, std::map<std::string,std::string>())
 620    pkgAcqMetaClearSig * const TransactionManager = new pkgAcqMetaClearSig(Owner,
 621          APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"), this);
 622 #undef APT_TARGET
 623    // special case for --print-uris
 624    if (GetAll)
 625       for (auto const &Target: GetIndexTargets())
 626          if (Target.Option(IndexTarget::FALLBACK_OF).empty())
 627             new pkgAcqIndex(Owner, TransactionManager, Target);
 628
 629    return true;
 630 }
 631                                                                         /*}}}*/
 632 // ReleaseIndex::Set* TriState options                                  /*{{{*/
 633 bool debReleaseIndex::SetTrusted(TriState const pTrusted)
 634 {
 635    if (Trusted == TRI_UNSET)
 636       Trusted = pTrusted;
 637    else if (Trusted != pTrusted)
 638       // TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 639       return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Trusted", URI.c_str(), Dist.c_str());
 640    return true;
 641 }
 642 bool debReleaseIndex::SetCheckValidUntil(TriState const pCheckValidUntil)
 643 {
 644    if (d->CheckValidUntil == TRI_UNSET)
 645       d->CheckValidUntil = pCheckValidUntil;
 646    else if (d->CheckValidUntil != pCheckValidUntil)
 647       return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Check-Valid-Until", URI.c_str(), Dist.c_str());
 648    return true;
 649 }
 650 bool debReleaseIndex::SetValidUntilMin(time_t const Valid)
 651 {
 652    if (d->ValidUntilMin == 0)
 653       d->ValidUntilMin = Valid;
 654    else if (d->ValidUntilMin != Valid)
 655       return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Min-ValidTime", URI.c_str(), Dist.c_str());
 656    return true;
 657 }
 658 bool debReleaseIndex::SetValidUntilMax(time_t const Valid)
 659 {
 660    if (d->ValidUntilMax == 0)
 661       d->ValidUntilMax = Valid;
 662    else if (d->ValidUntilMax != Valid)
 663       return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Max-ValidTime", URI.c_str(), Dist.c_str());
 664    return true;
 665 }
 666 bool debReleaseIndex::SetSignedBy(std::string const &pSignedBy)
 667 {
 668    if (SignedBy.empty() == true && pSignedBy.empty() == false)
 669    {
 670       if (pSignedBy[0] == '/') // no check for existence as we could be chrooting later or such things
 671          SignedBy = pSignedBy; // absolute path to a keyring file
 672       else
 673       {
 674          // we could go all fancy and allow short/long/string matches as gpgv/apt-key does,
 675          // but fingerprints are harder to fake than the others and this option is set once,
 676          // not interactively all the time so easy to type is not really a concern.
 677          auto fingers = VectorizeString(pSignedBy, ',');
 678          std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) {
 679             std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper);
 680             if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos)
 681             {
 682                _error->Error(_("Invalid value set for option %s regarding source %s %s (%s)"), "Signed-By", URI.c_str(), Dist.c_str(), "not a fingerprint");
 683                return std::string();
 684             }
 685             return finger;
 686          });
 687          std::stringstream os;
 688          std::copy(fingers.begin(), fingers.end(), std::ostream_iterator<std::string>(os, ","));
 689          SignedBy = os.str();
 690       }
 691       // Normalize the string: Remove trailing commas
 692       while (SignedBy[SignedBy.size() - 1] == ',')
 693          SignedBy.resize(SignedBy.size() - 1);
 694    }
 695    else {
 696       // Only compare normalized strings
 697       auto pSignedByView = APT::StringView(pSignedBy);
 698       while (pSignedByView[pSignedByView.size() - 1] == ',')
 699          pSignedByView = pSignedByView.substr(0, pSignedByView.size() - 1);
 700       if (pSignedByView != SignedBy)
 701          return _error->Error(_("Conflicting values set for option %s regarding source %s %s: %s != %s"), "Signed-By", URI.c_str(), Dist.c_str(), SignedBy.c_str(), pSignedByView.to_string().c_str());
 702    }
 703    return true;
 704 }
 705                                                                         /*}}}*/
 706 // ReleaseIndex::IsTrusted                                              /*{{{*/
 707 bool debReleaseIndex::IsTrusted() const
 708 {
 709    if (Trusted == TRI_YES)
 710       return true;
 711    else if (Trusted == TRI_NO)
 712       return false;
 713
 714
 715    if(_config->FindB("APT::Authentication::TrustCDROM", false))
 716       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
 717          return true;
 718
 719    if (FileExists(MetaIndexFile("Release.gpg")))
 720       return true;
 721
 722    return FileExists(MetaIndexFile("InRelease"));
 723 }
 724                                                                         /*}}}*/
 725 bool debReleaseIndex::IsArchitectureSupported(std::string const &arch) const/*{{{*/
 726 {
 727    if (d->Architectures.empty())
 728       return true;
 729    return std::find(d->Architectures.begin(), d->Architectures.end(), arch) != d->Architectures.end();
 730 }
 731                                                                         /*}}}*/
 732 bool debReleaseIndex::IsArchitectureAllSupportedFor(IndexTarget const &target) const/*{{{*/
 733 {
 734    if (d->NoSupportForAll.empty())
 735       return true;
 736    return std::find(d->NoSupportForAll.begin(), d->NoSupportForAll.end(), target.Option(IndexTarget::CREATED_BY)) == d->NoSupportForAll.end();
 737 }
 738                                                                         /*}}}*/
 739 std::vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()          /*{{{*/
 740 {
 741    if (Indexes != NULL)
 742       return Indexes;
 743
 744    Indexes = new std::vector<pkgIndexFile*>();
 745    bool const istrusted = IsTrusted();
 746    for (auto const &T: GetIndexTargets())
 747    {
 748       std::string const TargetName = T.Option(IndexTarget::CREATED_BY);
 749       if (TargetName == "Packages")
 750          Indexes->push_back(new debPackagesIndex(T, istrusted));
 751       else if (TargetName == "Sources")
 752          Indexes->push_back(new debSourcesIndex(T, istrusted));
 753       else if (TargetName == "Translations")
 754          Indexes->push_back(new debTranslationsIndex(T));
 755    }
 756    return Indexes;
 757 }
 758                                                                         /*}}}*/
 759
 760 static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/
 761 {
 762    ReleaseFile = That->MetaIndexFile("InRelease");
 763    bool releaseExists = false;
 764    if (FileExists(ReleaseFile) == true)
 765       releaseExists = true;
 766    else
 767    {
 768       ReleaseFile = That->MetaIndexFile("Release");
 769       if (FileExists(ReleaseFile))
 770          releaseExists = true;
 771    }
 772    return releaseExists;
 773 }
 774                                                                         /*}}}*/
 775 bool debReleaseIndex::Merge(pkgCacheGenerator &Gen,OpProgress * /*Prog*/) const/*{{{*/
 776 {
 777    std::string ReleaseFile;
 778    bool const releaseExists = ReleaseFileName(this, ReleaseFile);
 779
 780    ::URI Tmp(URI);
 781    if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false)
 782       return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str());
 783
 784    if (releaseExists == false)
 785       return true;
 786
 787    FileFd Rel;
 788    // Beware: The 'Release' file might be clearsigned in case the
 789    // signature for an 'InRelease' file couldn't be checked
 790    if (OpenMaybeClearSignedFile(ReleaseFile, Rel) == false)
 791       return false;
 792
 793    // Store the IMS information
 794    pkgCache::RlsFileIterator File = Gen.GetCurRlsFile();
 795    pkgCacheGenerator::Dynamic<pkgCache::RlsFileIterator> DynFile(File);
 796    // Rel can't be used as this is potentially a temporary file
 797    struct stat Buf;
 798    if (stat(ReleaseFile.c_str(), &Buf) != 0)
 799       return _error->Errno("fstat", "Unable to stat file %s", ReleaseFile.c_str());
 800    File->Size = Buf.st_size;
 801    File->mtime = Buf.st_mtime;
 802
 803    pkgTagFile TagFile(&Rel, Rel.Size());
 804    pkgTagSection Section;
 805    if (Rel.IsOpen() == false || Rel.Failed() || TagFile.Step(Section) == false)
 806       return false;
 807
 808    std::string data;
 809    #define APT_INRELEASE(TYPE, TAG, STORE) \
 810    data = Section.FindS(TAG); \
 811    if (data.empty() == false) \
 812    { \
 813       map_stringitem_t const storage = Gen.StoreString(pkgCacheGenerator::TYPE, data); \
 814       if (storage == 0) return false; \
 815       STORE = storage; \
 816    }
 817    APT_INRELEASE(MIXED, "Suite", File->Archive)
 818    APT_INRELEASE(VERSIONNUMBER, "Version", File->Version)
 819    APT_INRELEASE(MIXED, "Origin", File->Origin)
 820    APT_INRELEASE(MIXED, "Codename", File->Codename)
 821    APT_INRELEASE(MIXED, "Label", File->Label)
 822    #undef APT_INRELEASE
 823    Section.FindFlag("NotAutomatic", File->Flags, pkgCache::Flag::NotAutomatic);
 824    Section.FindFlag("ButAutomaticUpgrades", File->Flags, pkgCache::Flag::ButAutomaticUpgrades);
 825
 826    return true;
 827 }
 828                                                                         /*}}}*/
 829 // ReleaseIndex::FindInCache - Find this index                          /*{{{*/
 830 pkgCache::RlsFileIterator debReleaseIndex::FindInCache(pkgCache &Cache, bool const ModifyCheck) const
 831 {
 832    std::string ReleaseFile;
 833    bool const releaseExists = ReleaseFileName(this, ReleaseFile);
 834
 835    pkgCache::RlsFileIterator File = Cache.RlsFileBegin();
 836    for (; File.end() == false; ++File)
 837    {
 838        if (File->FileName == 0 || ReleaseFile != File.FileName())
 839          continue;
 840
 841        // empty means the file does not exist by "design"
 842        if (ModifyCheck == false || (releaseExists == false && File->Size == 0))
 843           return File;
 844
 845       struct stat St;
 846       if (stat(File.FileName(),&St) != 0)
 847       {
 848          if (_config->FindB("Debug::pkgCacheGen", false))
 849             std::clog << "ReleaseIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
 850          return pkgCache::RlsFileIterator(Cache);
 851       }
 852       if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
 853       {
 854          if (_config->FindB("Debug::pkgCacheGen", false))
 855             std::clog << "ReleaseIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
 856                         << ") or mtime (" << St.st_mtime << " <> " << File->mtime
 857                         << ") doesn't match for " << File.FileName() << std::endl;
 858          return pkgCache::RlsFileIterator(Cache);
 859       }
 860       return File;
 861    }
 862
 863    return File;
 864 }
 865                                                                         /*}}}*/
 866
 867 static std::vector<std::string> parsePlusMinusOptions(std::string const &Name, /*{{{*/
 868       std::map<std::string, std::string> const &Options, std::vector<std::string> const &defaultValues)
 869 {
 870    std::map<std::string, std::string>::const_iterator val = Options.find(Name);
 871    std::vector<std::string> Values;
 872    if (val != Options.end())
 873       Values = VectorizeString(val->second, ',');
 874    else
 875       Values = defaultValues;
 876
 877    // all is a very special architecture users shouldn't be concerned with explicitly
 878    if (Name == "arch" && std::find(Values.begin(), Values.end(), "all") == Values.end())
 879       Values.push_back("all");
 880
 881    if ((val = Options.find(Name + "+")) != Options.end())
 882    {
 883       std::vector<std::string> const plus = VectorizeString(val->second, ',');
 884       std::copy_if(plus.begin(), plus.end(), std::back_inserter(Values), [&Values](std::string const &v) {
 885          return std::find(Values.begin(), Values.end(), v) == Values.end();
 886       });
 887    }
 888    if ((val = Options.find(Name + "-")) != Options.end())
 889    {
 890       std::vector<std::string> const minus = VectorizeString(val->second, ',');
 891       Values.erase(std::remove_if(Values.begin(), Values.end(), [&minus](std::string const &v) {
 892          return std::find(minus.begin(), minus.end(), v) != minus.end();
 893       }), Values.end());
 894    }
 895    return Values;
 896 }
 897                                                                         /*}}}*/
 898 class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type           /*{{{*/
 899 {
 900    metaIndex::TriState GetTriStateOption(std::map<std::string, std::string>const &Options, char const * const name) const
 901    {
 902       std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
 903       if (opt != Options.end())
 904          return StringToBool(opt->second, false) ? metaIndex::TRI_YES : metaIndex::TRI_NO;
 905       return metaIndex::TRI_DONTCARE;
 906    }
 907
 908    time_t GetTimeOption(std::map<std::string, std::string>const &Options, char const * const name) const
 909    {
 910       std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
 911       if (opt == Options.end())
 912          return 0;
 913       return strtoull(opt->second.c_str(), NULL, 10);
 914    }
 915
 916    protected:
 917
 918    bool CreateItemInternal(std::vector<metaIndex *> &List, std::string const &URI,
 919                            std::string const &Dist, std::string const &Section,
 920                            bool const &IsSrc, std::map<std::string, std::string> const &Options) const
 921    {
 922       debReleaseIndex *Deb = NULL;
 923       for (std::vector<metaIndex *>::const_iterator I = List.begin();
 924            I != List.end(); ++I)
 925       {
 926          // We only worry about debian entries here
 927          if (strcmp((*I)->GetType(), "deb") != 0)
 928             continue;
 929
 930          /* This check insures that there will be only one Release file
 931             queued for all the Packages files and Sources files it
 932             corresponds to. */
 933          if ((*I)->GetURI() == URI && (*I)->GetDist() == Dist)
 934          {
 935             Deb = dynamic_cast<debReleaseIndex*>(*I);
 936             if (Deb != NULL)
 937                break;
 938          }
 939       }
 940
 941       // No currently created Release file indexes this entry, so we create a new one.
 942       if (Deb == NULL)
 943       {
 944          Deb = new debReleaseIndex(URI, Dist);
 945          List.push_back(Deb);
 946       }
 947
 948       std::vector<std::string> const alltargets = _config->FindVector(std::string("Acquire::IndexTargets::") + Name, "", true);
 949       std::vector<std::string> deftargets;
 950       deftargets.reserve(alltargets.size());
 951       std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(deftargets), [&](std::string const &t) {
 952          std::string c = "Acquire::IndexTargets::";
 953          c.append(Name).append("::").append(t).append("::DefaultEnabled");
 954          return _config->FindB(c, true);
 955       });
 956       std::vector<std::string> mytargets = parsePlusMinusOptions("target", Options, deftargets);
 957       for (auto const &target : alltargets)
 958       {
 959          std::map<std::string, std::string>::const_iterator const opt = Options.find(target);
 960          if (opt == Options.end())
 961             continue;
 962          auto const idMatch = [&](std::string const &t) {
 963             return target == _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + t + "::Identifier", t);
 964          };
 965          if (StringToBool(opt->second))
 966             std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(mytargets), idMatch);
 967          else
 968             mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), idMatch), mytargets.end());
 969       }
 970       // if we can't order it in a 1000 steps we give up… probably a cycle
 971       for (auto i = 0; i < 1000; ++i)
 972       {
 973          bool Changed = false;
 974          for (auto t = mytargets.begin(); t != mytargets.end(); ++t)
 975          {
 976             std::string const fallback = _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + *t + "::Fallback-Of");
 977             if (fallback.empty())
 978                continue;
 979             auto const faller = std::find(mytargets.begin(), mytargets.end(), fallback);
 980             if (faller == mytargets.end() || faller < t)
 981                continue;
 982             Changed = true;
 983             auto const tv = *t;
 984             mytargets.erase(t);
 985             mytargets.emplace_back(tv);
 986          }
 987          if (Changed == false)
 988             break;
 989       }
 990       // remove duplicates without changing the order (in first appearance)
 991       {
 992          std::set<std::string> seenOnce;
 993          mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), [&](std::string const &t) {
 994             return seenOnce.insert(t).second == false;
 995          }), mytargets.end());
 996       }
 997
 998       bool UsePDiffs = _config->FindB("Acquire::PDiffs", true);
 999       {
1000          std::map<std::string, std::string>::const_iterator const opt = Options.find("pdiffs");
1001          if (opt != Options.end())
1002             UsePDiffs = StringToBool(opt->second);
1003       }
1004
1005       std::string UseByHash = _config->Find("APT::Acquire::By-Hash", "yes");
1006       UseByHash = _config->Find("Acquire::By-Hash", UseByHash);
1007       {
1008          std::string const host = ::URI(URI).Host;
1009          UseByHash = _config->Find("APT::Acquire::" + host + "::By-Hash", UseByHash);
1010          UseByHash = _config->Find("Acquire::" + host + "::By-Hash", UseByHash);
1011          std::map<std::string, std::string>::const_iterator const opt = Options.find("by-hash");
1012          if (opt != Options.end())
1013             UseByHash = opt->second;
1014       }
1015
1016       auto const entry = Options.find("sourceslist-entry");
1017       Deb->AddComponent(
1018             entry->second,
1019             IsSrc,
1020             Section,
1021             mytargets,
1022             parsePlusMinusOptions("arch", Options, APT::Configuration::getArchitectures()),
1023             parsePlusMinusOptions("lang", Options, APT::Configuration::getLanguages(true)),
1024             UsePDiffs,
1025             UseByHash
1026             );
1027
1028       if (Deb->SetTrusted(GetTriStateOption(Options, "trusted")) == false ||
1029          Deb->SetCheckValidUntil(GetTriStateOption(Options, "check-valid-until")) == false ||
1030          Deb->SetValidUntilMax(GetTimeOption(Options, "valid-until-max")) == false ||
1031          Deb->SetValidUntilMin(GetTimeOption(Options, "valid-until-min")) == false)
1032          return false;
1033
1034       std::map<std::string, std::string>::const_iterator const signedby = Options.find("signed-by");
1035       if (signedby == Options.end())
1036       {
1037          bool alreadySet = false;
1038          std::string filename;
1039          if (ReleaseFileName(Deb, filename))
1040          {
1041             auto OldDeb = Deb->UnloadedClone();
1042             _error->PushToStack();
1043             OldDeb->Load(filename, nullptr);
1044             bool const goodLoad = _error->PendingError() == false;
1045             _error->RevertToStack();
1046             if (goodLoad)
1047             {
1048                if (OldDeb->GetValidUntil() > 0)
1049                {
1050                   time_t const invalid_since = time(NULL) - OldDeb->GetValidUntil();
1051                   if (invalid_since <= 0)
1052                   {
1053                      Deb->SetSignedBy(OldDeb->GetSignedBy());
1054                      alreadySet = true;
1055                   }
1056                }
1057             }
1058             delete OldDeb;
1059          }
1060          if (alreadySet == false && Deb->SetSignedBy("") == false)
1061             return false;
1062       }
1063       else
1064       {
1065          if (Deb->SetSignedBy(signedby->second) == false)
1066             return false;
1067       }
1068
1069       return true;
1070    }
1071
1072    debSLTypeDebian(char const * const Name, char const * const Label) : Type(Name, Label)
1073    {
1074    }
1075 };
1076                                                                         /*}}}*/
1077 class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian                  /*{{{*/
1078 {
1079    public:
1080
1081    bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
1082                    std::string const &Dist, std::string const &Section,
1083                    std::map<std::string, std::string> const &Options) const APT_OVERRIDE
1084    {
1085       return CreateItemInternal(List, URI, Dist, Section, false, Options);
1086    }
1087
1088    debSLTypeDeb() : debSLTypeDebian("deb", "Debian binary tree")
1089    {
1090    }
1091 };
1092                                                                         /*}}}*/
1093 class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian               /*{{{*/
1094 {
1095    public:
1096
1097    bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
1098                    std::string const &Dist, std::string const &Section,
1099                    std::map<std::string, std::string> const &Options) const APT_OVERRIDE
1100    {
1101       return CreateItemInternal(List, URI, Dist, Section, true, Options);
1102    }
1103
1104    debSLTypeDebSrc() : debSLTypeDebian("deb-src", "Debian source tree")
1105    {
1106    }
1107 };
1108                                                                         /*}}}*/
1109
1110 APT_HIDDEN debSLTypeDeb _apt_DebType;
1111 APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;