Coverage: Do not print messages from gcov

[apt.git] / apt-pkg / deb / debmetaindex.cc

diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index a6edab6b9f5174635660f31d7f10eaa817aa8d63..8d84409a13b767814970d5c069a67c2ebea47e65 100644 (file)
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -1,39 +1,65 @@
-// ijones, walters
+#include <config.h>

 
 

+#include <apt-pkg/error.h>

 #include <apt-pkg/debmetaindex.h>
 #include <apt-pkg/debindexfile.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/debmetaindex.h>
 #include <apt-pkg/debindexfile.h>
 #include <apt-pkg/strutl.h>

+#include <apt-pkg/fileutl.h>

 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>

-#include <apt-pkg/error.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/gpgv.h>
+#include <apt-pkg/macros.h>
+
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+#include <algorithm>
+#include <sstream>

 
 

-#include <set>
+#include <sys/stat.h>
+#include <string.h>

 
 

-using namespace std;
+#include <apti18n.h>

 
 

-string debReleaseIndex::Info(const char *Type, string const &Section, string const &Arch) const
+class APT_HIDDEN debReleaseIndexPrivate                                        /*{{{*/

 {
 {

-   string Info = ::URI::SiteOnly(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-         Info += Dist;
-   }
-   else
+   public:
+   struct APT_HIDDEN debSectionEntry

    {
    {

-      Info += Dist + '/' + Section;
-      if (Arch.empty() != true)
-        Info += " " + Arch;
-   }
-   Info += " ";
-   Info += Type;
-   return Info;
-}
+      std::string const sourcesEntry;
+      std::string const Name;
+      std::vector<std::string> const Targets;
+      std::vector<std::string> const Architectures;
+      std::vector<std::string> const Languages;
+      bool const UsePDiffs;
+      std::string const UseByHash;
+   };
+
+   std::vector<debSectionEntry> DebEntries;
+   std::vector<debSectionEntry> DebSrcEntries;

 
 

-string debReleaseIndex::MetaIndexInfo(const char *Type) const
+   metaIndex::TriState CheckValidUntil;
+   time_t ValidUntilMin;
+   time_t ValidUntilMax;
+
+   std::vector<std::string> Architectures;
+   std::vector<std::string> NoSupportForAll;
+   std::map<std::string, std::string> const ReleaseOptions;
+
+   debReleaseIndexPrivate(std::map<std::string, std::string> const &Options) : CheckValidUntil(metaIndex::TRI_UNSET), ValidUntilMin(0), ValidUntilMax(0), ReleaseOptions(Options) {}
+};
+                                                                       /*}}}*/
+// ReleaseIndex::MetaIndex* - display helpers                          /*{{{*/
+std::string debReleaseIndex::MetaIndexInfo(const char *Type) const

 {
 {

-   string Info = ::URI::SiteOnly(URI) + ' ';
+   std::string Info = ::URI::ArchiveOnly(URI) + ' ';

    if (Dist[Dist.size() - 1] == '/')
    {
       if (Dist != "/")
    if (Dist[Dist.size() - 1] == '/')
    {
       if (Dist != "/")


@@ -45,385 +71,1136 @@ string debReleaseIndex::MetaIndexInfo(const char *Type) const
    Info += Type;
    return Info;
 }
    Info += Type;
    return Info;
 }

+std::string debReleaseIndex::Describe() const
+{
+   return MetaIndexInfo("Release");
+}

 
 

-string debReleaseIndex::MetaIndexFile(const char *Type) const
+std::string debReleaseIndex::MetaIndexFile(const char *Type) const

 {
    return _config->FindDir("Dir::State::lists") +
       URItoFileName(MetaIndexURI(Type));
 }
 {
    return _config->FindDir("Dir::State::lists") +
       URItoFileName(MetaIndexURI(Type));
 }

-
-string debReleaseIndex::MetaIndexURI(const char *Type) const
+static std::string constructMetaIndexURI(std::string URI, std::string const &Dist, char const * const Type)

 {
 {

-   string Res;
-

    if (Dist == "/")
    if (Dist == "/")

-      Res = URI;
+      ;

    else if (Dist[Dist.size()-1] == '/')
    else if (Dist[Dist.size()-1] == '/')

-      Res = URI + Dist;
+      URI += Dist;

    else
    else

-      Res = URI + "dists/" + Dist + "/";
-   
-   Res += Type;
-   return Res;
+      URI += "dists/" + Dist + "/";
+   return URI + Type;

 }
 }

-
-string debReleaseIndex::IndexURISuffix(const char *Type, string const &Section, string const &Arch) const
+std::string debReleaseIndex::MetaIndexURI(const char *Type) const

 {
 {

-   string Res ="";
-   if (Dist[Dist.size() - 1] != '/')
-   {
-      if (Arch == "native")
-        Res += Section + "/binary-" + _config->Find("APT::Architecture") + '/';
-      else
-        Res += Section + "/binary-" + Arch + '/';
-   }
-   return Res + Type;
+   return constructMetaIndexURI(URI, Dist, Type);

 }
 }

-   
-
-string debReleaseIndex::IndexURI(const char *Type, string const &Section, string const &Arch) const
+                                                                       /*}}}*/
+// ReleaseIndex Con- and Destructors                                   /*{{{*/
+debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, std::map<std::string, std::string> const &Options) :
+                                       metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate(Options))
+{}
+debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, bool const pTrusted, std::map<std::string, std::string> const &Options) :
+                                       metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate(Options))

 {
 {

-   if (Dist[Dist.size() - 1] == '/')
+   Trusted = pTrusted ? TRI_YES : TRI_NO;
+}
+debReleaseIndex::~debReleaseIndex() {
+   if (d != NULL)
+      delete d;
+}
+                                                                       /*}}}*/
+// ReleaseIndex::GetIndexTargets                                       /*{{{*/
+static void GetIndexTargetsFor(char const * const Type, std::string const &URI, std::string const &Dist,
+      std::vector<debReleaseIndexPrivate::debSectionEntry> const &entries,
+      std::vector<IndexTarget> &IndexTargets, std::map<std::string, std::string> const &ReleaseOptions)
+{
+   bool const flatArchive = (Dist[Dist.length() - 1] == '/');
+   std::string const baseURI = constructMetaIndexURI(URI, Dist, "");
+   std::string const Release = (Dist == "/") ? "" : Dist;
+   std::string const Site = ::URI::ArchiveOnly(URI);
+
+   std::string DefCompressionTypes;

    {
    {

-      string Res;
-      if (Dist != "/")
-         Res = URI + Dist;
-      else 
-         Res = URI;
-      return Res + Type;
+      std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+      if (types.empty() == false)
+      {
+        std::ostringstream os;
+        std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
+        os << *types.rbegin();
+        DefCompressionTypes = os.str();
+      }

    }
    }

-   else
-      return URI + "dists/" + Dist + '/' + IndexURISuffix(Type, Section, Arch);
- }
+   std::string DefKeepCompressedAs;
+   {
+      std::vector<APT::Configuration::Compressor> comps = APT::Configuration::getCompressors();
+      if (comps.empty() == false)
+      {
+        std::sort(comps.begin(), comps.end(),
+              [](APT::Configuration::Compressor const &a, APT::Configuration::Compressor const &b) { return a.Cost < b.Cost; });
+        std::ostringstream os;
+        for (auto const &c : comps)
+           if (c.Cost != 0)
+              os << c.Extension.substr(1) << ' ';
+        DefKeepCompressedAs = os.str();
+      }
+      DefKeepCompressedAs += "uncompressed";
+   }
+
+   std::vector<std::string> const NativeArchs = { _config->Find("APT::Architecture"), "implicit:all" };
+   bool const GzipIndex = _config->FindB("Acquire::GzipIndexes", false);
+   for (std::vector<debReleaseIndexPrivate::debSectionEntry>::const_iterator E = entries.begin(); E != entries.end(); ++E)
+   {
+      for (std::vector<std::string>::const_iterator T = E->Targets.begin(); T != E->Targets.end(); ++T)
+      {
+#define APT_T_CONFIG_STR(X, Y) _config->Find(std::string("Acquire::IndexTargets::") + Type  + "::" + *T + "::" + (X), (Y))
+#define APT_T_CONFIG_BOOL(X, Y) _config->FindB(std::string("Acquire::IndexTargets::") + Type  + "::" + *T + "::" + (X), (Y))
+        std::string const tplMetaKey = APT_T_CONFIG_STR(flatArchive ? "flatMetaKey" : "MetaKey", "");
+        std::string const tplShortDesc = APT_T_CONFIG_STR("ShortDescription", "");
+        std::string const tplLongDesc = "$(SITE) " + APT_T_CONFIG_STR(flatArchive ? "flatDescription" : "Description", "");
+        std::string const tplIdentifier = APT_T_CONFIG_STR("Identifier", *T);
+        bool const IsOptional = APT_T_CONFIG_BOOL("Optional", true);
+        bool const KeepCompressed = APT_T_CONFIG_BOOL("KeepCompressed", GzipIndex);
+        bool const DefaultEnabled = APT_T_CONFIG_BOOL("DefaultEnabled", true);
+        bool const UsePDiffs = APT_T_CONFIG_BOOL("PDiffs", E->UsePDiffs);
+        std::string const UseByHash = APT_T_CONFIG_STR("By-Hash", E->UseByHash);
+        std::string const CompressionTypes = APT_T_CONFIG_STR("CompressionTypes", DefCompressionTypes);
+        std::string KeepCompressedAs = APT_T_CONFIG_STR("KeepCompressedAs", "");
+        std::string const FallbackOf = APT_T_CONFIG_STR("Fallback-Of", "");
+#undef APT_T_CONFIG_BOOL
+#undef APT_T_CONFIG_STR
+        if (tplMetaKey.empty())
+           continue;
+
+        if (KeepCompressedAs.empty())
+           KeepCompressedAs = DefKeepCompressedAs;
+        else
+        {
+           std::vector<std::string> const defKeep = VectorizeString(DefKeepCompressedAs, ' ');
+           std::vector<std::string> const valKeep = VectorizeString(KeepCompressedAs, ' ');
+           std::vector<std::string> keep;
+           for (auto const &val : valKeep)
+           {
+              if (val.empty())
+                 continue;
+              if (std::find(defKeep.begin(), defKeep.end(), val) == defKeep.end())
+                 continue;
+              keep.push_back(val);
+           }
+           if (std::find(keep.begin(), keep.end(), "uncompressed") == keep.end())
+              keep.push_back("uncompressed");
+           std::ostringstream os;
+           std::copy(keep.begin(), keep.end()-1, std::ostream_iterator<std::string>(os, " "));
+           os << *keep.rbegin();
+           KeepCompressedAs = os.str();
+        }
+
+        for (std::vector<std::string>::const_iterator L = E->Languages.begin(); L != E->Languages.end(); ++L)
+        {
+           if (*L == "none" && tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+              continue;
+
+           for (std::vector<std::string>::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A)
+           {
+              for (auto const &NativeArch: NativeArchs)
+              {
+                 constexpr static auto BreakPoint = "$(NATIVE_ARCHITECTURE)";
+                 // available in templates
+                 std::map<std::string, std::string> Options;
+                 Options.insert(std::make_pair("SITE", Site));
+                 Options.insert(std::make_pair("RELEASE", Release));
+                 if (tplMetaKey.find("$(COMPONENT)") != std::string::npos)
+                    Options.emplace("COMPONENT", E->Name);
+                 if (tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+                    Options.emplace("LANGUAGE", *L);
+                 if (tplMetaKey.find("$(ARCHITECTURE)") != std::string::npos)
+                    Options.emplace("ARCHITECTURE", (*A == "implicit:all") ? "all" : *A);
+                 else if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos)
+                    Options.emplace("ARCHITECTURE", (NativeArch == "implicit:all") ? "all" : NativeArch);
+                 if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos)
+                    Options.emplace("NATIVE_ARCHITECTURE", (NativeArch == "implicit:all") ? "all" : NativeArch);
+
+                 std::string MetaKey = tplMetaKey;
+                 std::string ShortDesc = tplShortDesc;
+                 std::string LongDesc = tplLongDesc;
+                 std::string Identifier = tplIdentifier;
+                 for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
+                 {
+                    std::string const varname = "$(" + O->first + ")";
+                    MetaKey = SubstVar(MetaKey, varname, O->second);
+                    ShortDesc = SubstVar(ShortDesc, varname, O->second);
+                    LongDesc = SubstVar(LongDesc, varname, O->second);
+                    Identifier = SubstVar(Identifier, varname, O->second);
+                 }
+
+                 {
+                    auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) {
+                       return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) &&
+                          E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T == IT.Option(IndexTarget::CREATED_BY);
+                    });
+                    if (dup != IndexTargets.end())
+                    {
+                       if (tplMetaKey.find(BreakPoint) == std::string::npos)
+                          break;
+                       continue;
+                    }
+                 }
+
+                 {
+                    auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) {
+                       return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) &&
+                          E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T != IT.Option(IndexTarget::CREATED_BY);
+                       });
+                    if (dup != IndexTargets.end())
+                    {
+                       std::string const dupT = dup->Option(IndexTarget::CREATED_BY);
+                       std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY);
+                       //TRANSLATOR: an identifier like Packages; Releasefile key indicating
+                       // a file like main/binary-amd64/Packages; another identifier like Contents;
+                       // filename and linenumber of the sources.list entry currently parsed
+                       _error->Warning(_("Target %s wants to acquire the same file (%s) as %s from source %s"),
+                             T->c_str(), MetaKey.c_str(), dupT.c_str(), dupEntry.c_str());
+                       if (tplMetaKey.find(BreakPoint) == std::string::npos)
+                          break;
+                       continue;
+                    }
+                 }
+
+                 {
+                    auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &T) {
+                       return MetaKey == T.MetaKey && baseURI == T.Option(IndexTarget::BASE_URI) &&
+                          E->sourcesEntry != T.Option(IndexTarget::SOURCESENTRY);
+                    });
+                    if (dup != IndexTargets.end())
+                    {
+                       std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY);
+                       //TRANSLATOR: an identifier like Packages; Releasefile key indicating
+                       // a file like main/binary-amd64/Packages; filename and linenumber of
+                       // two sources.list entries
+                       _error->Warning(_("Target %s (%s) is configured multiple times in %s and %s"),
+                             T->c_str(), MetaKey.c_str(), dupEntry.c_str(), E->sourcesEntry.c_str());
+                       if (tplMetaKey.find(BreakPoint) == std::string::npos)
+                          break;
+                       continue;
+                    }
+                 }
+
+                 // not available in templates, but in the indextarget
+                 Options.insert(ReleaseOptions.begin(), ReleaseOptions.end());
+                 Options.insert(std::make_pair("IDENTIFIER", Identifier));
+                 Options.insert(std::make_pair("TARGET_OF", Type));
+                 Options.insert(std::make_pair("CREATED_BY", *T));
+                 Options.insert(std::make_pair("FALLBACK_OF", FallbackOf));
+                 Options.insert(std::make_pair("PDIFFS", UsePDiffs ? "yes" : "no"));
+                 Options.insert(std::make_pair("BY_HASH", UseByHash));
+                 Options.insert(std::make_pair("DEFAULTENABLED", DefaultEnabled ? "yes" : "no"));
+                 Options.insert(std::make_pair("COMPRESSIONTYPES", CompressionTypes));
+                 Options.insert(std::make_pair("KEEPCOMPRESSEDAS", KeepCompressedAs));
+                 Options.insert(std::make_pair("SOURCESENTRY", E->sourcesEntry));
+
+                 bool IsOpt = IsOptional;
+                 {
+                    auto const arch = Options.find("ARCHITECTURE");
+                    if (arch != Options.end() && arch->second == "all")
+                    {
+                       // one of them must be implicit:all then
+                       if (*A != "all" && NativeArch != "all")
+                          IsOpt = true;
+                       else // user used arch=all explicitly
+                          Options.emplace("Force-Support-For-All", "yes");
+                    }
+                 }
+
+                 IndexTarget Target(
+                       MetaKey,
+                       ShortDesc,
+                       LongDesc,
+                       baseURI + MetaKey,
+                       IsOpt,
+                       KeepCompressed,
+                       Options
+                       );
+                 IndexTargets.push_back(Target);
+
+                 if (tplMetaKey.find(BreakPoint) == std::string::npos)
+                    break;
+              }
+
+              if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos)
+                 break;
+
+           }
+
+           if (tplMetaKey.find("$(LANGUAGE)") == std::string::npos)
+              break;
+
+        }

 
 

-string debReleaseIndex::SourceIndexURISuffix(const char *Type, const string &Section) const
+      }
+   }
+}
+std::vector<IndexTarget> debReleaseIndex::GetIndexTargets() const
+{
+   std::vector<IndexTarget> IndexTargets;
+   GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets, d->ReleaseOptions);
+   GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets, d->ReleaseOptions);
+   return IndexTargets;
+}
+                                                                       /*}}}*/
+void debReleaseIndex::AddComponent(std::string const &sourcesEntry,    /*{{{*/
+        bool const isSrc, std::string const &Name,
+        std::vector<std::string> const &Targets,
+        std::vector<std::string> const &Architectures,
+        std::vector<std::string> Languages,
+        bool const usePDiffs, std::string const &useByHash)

 {
 {

-   string Res ="";
-   if (Dist[Dist.size() - 1] != '/')
-      Res += Section + "/source/";
-   return Res + Type;
+   if (Languages.empty() == true)
+      Languages.push_back("none");
+   debReleaseIndexPrivate::debSectionEntry const entry = {
+      sourcesEntry, Name, Targets, Architectures, Languages, usePDiffs, useByHash
+   };
+   if (isSrc)
+      d->DebSrcEntries.push_back(entry);
+   else
+      d->DebEntries.push_back(entry);

 }
 }

+                                                                       /*}}}*/

 
 

-string debReleaseIndex::SourceIndexURI(const char *Type, const string &Section) const
+bool debReleaseIndex::Load(std::string const &Filename, std::string * const ErrorText)/*{{{*/

 {
 {

-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
+   LoadedSuccessfully = TRI_NO;
+   FileFd Fd;
+   if (OpenMaybeClearSignedFile(Filename, Fd) == false)
+      return false;
+
+   pkgTagFile TagFile(&Fd, Fd.Size());
+   if (Fd.IsOpen() == false || Fd.Failed())

    {
    {

-      if (Dist != "/")
-         Res = URI + Dist;
-      else 
-         Res = URI;
-      return Res + Type;
+      if (ErrorText != NULL)
+        strprintf(*ErrorText, _("Unable to parse Release file %s"),Filename.c_str());
+      return false;
+   }
+
+   pkgTagSection Section;
+   const char *Start, *End;
+   if (TagFile.Step(Section) == false)
+   {
+      if (ErrorText != NULL)
+        strprintf(*ErrorText, _("No sections in Release file %s"), Filename.c_str());
+      return false;
+   }
+   // FIXME: find better tag name
+   SupportsAcquireByHash = Section.FindB("Acquire-By-Hash", false);
+
+   Suite = Section.FindS("Suite");
+   Codename = Section.FindS("Codename");
+   {
+      std::string const archs = Section.FindS("Architectures");
+      if (archs.empty() == false)
+        d->Architectures = VectorizeString(archs, ' ');

    }
    }

+   {
+      std::string const targets = Section.FindS("No-Support-for-Architecture-all");
+      if (targets.empty() == false)
+        d->NoSupportForAll = VectorizeString(targets, ' ');
+   }
+
+   bool FoundHashSum = false;
+   bool FoundStrongHashSum = false;
+   auto const SupportedHashes = HashString::SupportedHashes();
+   for (int i=0; SupportedHashes[i] != NULL; i++)
+   {
+      if (!Section.Find(SupportedHashes[i], Start, End))
+        continue;
+
+      std::string Name;
+      std::string Hash;
+      unsigned long long Size;
+      while (Start < End)
+      {
+        if (!parseSumData(Start, End, Name, Hash, Size))
+           return false;
+
+        HashString const hs(SupportedHashes[i], Hash);
+         if (Entries.find(Name) == Entries.end())
+         {
+            metaIndex::checkSum *Sum = new metaIndex::checkSum;
+            Sum->MetaKeyFilename = Name;
+            Sum->Size = Size;
+           Sum->Hashes.FileSize(Size);
+            APT_IGNORE_DEPRECATED(Sum->Hash = hs;)
+            Entries[Name] = Sum;
+         }
+         Entries[Name]->Hashes.push_back(hs);
+         FoundHashSum = true;
+        if (FoundStrongHashSum == false && hs.usable() == true)
+           FoundStrongHashSum = true;
+      }
+   }
+
+   bool AuthPossible = false;
+   if(FoundHashSum == false)
+      _error->Warning(_("No Hash entry in Release file %s"), Filename.c_str());
+   else if(FoundStrongHashSum == false)
+      _error->Warning(_("No Hash entry in Release file %s which is considered strong enough for security purposes"), Filename.c_str());

    else
    else

-      return URI + "dists/" + Dist + "/" + SourceIndexURISuffix(Type, Section);
-}
+      AuthPossible = true;

 
 

-string debReleaseIndex::TranslationIndexURISuffix(const char *Type, const string &Section) const
-{
-   string Res ="";
-   if (Dist[Dist.size() - 1] != '/')
-      Res += Section + "/i18n/";
-   return Res + Type;
-}
+   std::string const StrDate = Section.FindS("Date");
+   if (RFC1123StrToTime(StrDate.c_str(), Date) == false)
+   {
+      _error->Warning( _("Invalid '%s' entry in Release file %s"), "Date", Filename.c_str());
+      Date = 0;
+   }

 
 

-string debReleaseIndex::TranslationIndexURI(const char *Type, const string &Section) const
-{
-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
+   bool CheckValidUntil = _config->FindB("Acquire::Check-Valid-Until", true);
+   if (d->CheckValidUntil == metaIndex::TRI_NO)
+      CheckValidUntil = false;
+   else if (d->CheckValidUntil == metaIndex::TRI_YES)
+      CheckValidUntil = true;
+
+   if (CheckValidUntil == true)

    {
    {

-      if (Dist != "/")
-         Res = URI + Dist;
-      else 
-         Res = URI;
-      return Res + Type;
+      std::string const Label = Section.FindS("Label");
+      std::string const StrValidUntil = Section.FindS("Valid-Until");
+
+      // if we have a Valid-Until header in the Release file, use it as default
+      if (StrValidUntil.empty() == false)
+      {
+        if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false)
+        {
+           if (ErrorText != NULL)
+              strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Valid-Until", Filename.c_str());
+           return false;
+        }
+      }
+      // get the user settings for this archive and use what expires earlier
+      time_t MaxAge = d->ValidUntilMax;
+      if (MaxAge == 0)
+      {
+        MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
+        if (Label.empty() == false)
+           MaxAge = _config->FindI(("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
+      }
+      time_t MinAge = d->ValidUntilMin;
+      if (MinAge == 0)
+      {
+        MinAge = _config->FindI("Acquire::Min-ValidTime", 0);
+        if (Label.empty() == false)
+           MinAge = _config->FindI(("Acquire::Min-ValidTime::" + Label).c_str(), MinAge);
+      }
+
+      if (MinAge != 0 || ValidUntil != 0 || MaxAge != 0)
+      {
+        if (MinAge != 0 && ValidUntil != 0) {
+           time_t const min_date = Date + MinAge;
+           if (ValidUntil < min_date)
+              ValidUntil = min_date;
+        }
+        if (MaxAge != 0 && Date != 0) {
+           time_t const max_date = Date + MaxAge;
+           if (ValidUntil == 0 || ValidUntil > max_date)
+              ValidUntil = max_date;
+        }
+      }
+   }
+
+   /* as the Release file is parsed only after it was verified, the Signed-By field
+      does not effect the current, but the "next" Release file */
+   auto Sign = Section.FindS("Signed-By");
+   if (Sign.empty() == false)
+   {
+      std::transform(Sign.begin(), Sign.end(), Sign.begin(), [&](char const c) {
+        return (isspace(c) == 0) ? c : ',';
+      });
+      auto fingers = VectorizeString(Sign, ',');
+      std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) {
+        std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper);
+        if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos)
+        {
+           if (ErrorText != NULL)
+              strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Signed-By", Filename.c_str());
+           return std::string();
+        }
+        return finger;
+      });
+      if (fingers.empty() == false && std::find(fingers.begin(), fingers.end(), "") == fingers.end())
+      {
+        std::stringstream os;
+        std::copy(fingers.begin(), fingers.end(), std::ostream_iterator<std::string>(os, ","));
+        SignedBy = os.str();
+      }

    }
    }

+
+   if (AuthPossible)
+      LoadedSuccessfully = TRI_YES;
+   return AuthPossible;
+}
+                                                                       /*}}}*/
+metaIndex * debReleaseIndex::UnloadedClone() const                     /*{{{*/
+{
+   if (Trusted == TRI_NO)
+      return new debReleaseIndex(URI, Dist, false, d->ReleaseOptions);
+   else if (Trusted == TRI_YES)
+      return new debReleaseIndex(URI, Dist, true, d->ReleaseOptions);

    else
    else

-      return URI + "dists/" + Dist + "/" + TranslationIndexURISuffix(Type, Section);
+      return new debReleaseIndex(URI, Dist, d->ReleaseOptions);

 }
 }

+                                                                       /*}}}*/
+bool debReleaseIndex::parseSumData(const char *&Start, const char *End,        /*{{{*/
+                                  std::string &Name, std::string &Hash, unsigned long long &Size)
+{
+   Name = "";
+   Hash = "";
+   Size = 0;
+   /* Skip over the first blank */
+   while ((*Start == '\t' || *Start == ' ' || *Start == '\n' || *Start == '\r')
+         && Start < End)
+      Start++;
+   if (Start >= End)
+      return false;

 
 

-debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) {
-       this->URI = URI;
-       this->Dist = Dist;
-       this->Indexes = NULL;
-       this->Type = "deb";
-}
+   /* Move EntryEnd to the end of the first entry (the hash) */
+   const char *EntryEnd = Start;
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ')
+         && EntryEnd < End)
+      EntryEnd++;
+   if (EntryEnd == End)
+      return false;

 
 

-debReleaseIndex::~debReleaseIndex() {
-       for (map<string, vector<debSectionEntry const*> >::const_iterator A = ArchEntries.begin();
-            A != ArchEntries.end(); ++A)
-               for (vector<const debSectionEntry *>::const_iterator S = A->second.begin();
-                    S != A->second.end(); ++S)
-                       delete *S;
-}
+   Hash.append(Start, EntryEnd-Start);

 
 

-vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
-       vector <struct IndexTarget *>* IndexTargets = new vector <IndexTarget *>;
-
-       map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
-       if (src != ArchEntries.end()) {
-               vector<debSectionEntry const*> const SectionEntries = src->second;
-               for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
-                    I != SectionEntries.end(); ++I) {
-                       IndexTarget * Target = new IndexTarget();
-                       Target->ShortDesc = "Sources";
-                       Target->MetaKey = SourceIndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section);
-                       Target->URI = SourceIndexURI(Target->ShortDesc.c_str(), (*I)->Section);
-                       Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section);
-                       IndexTargets->push_back (Target);
-               }
-       }
-
-       // Only source release
-       if (IndexTargets->empty() == false && ArchEntries.size() == 1)
-               return IndexTargets;
-
-       std::set<std::string> sections;
-       for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
-            a != ArchEntries.end(); ++a) {
-               if (a->first == "source")
-                       continue;
-               for (vector <const debSectionEntry *>::const_iterator I = a->second.begin();
-                    I != a->second.end(); ++I) {
-                       IndexTarget * Target = new IndexTarget();
-                       Target->ShortDesc = "Packages";
-                       Target->MetaKey = IndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section, a->first);
-                       Target->URI = IndexURI(Target->ShortDesc.c_str(), (*I)->Section, a->first);
-                       Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section, a->first);
-                       IndexTargets->push_back (Target);
-                       sections.insert((*I)->Section);
-               }
-       }
-
-       // get the Translations:
-       // - if its a dists-style repository get the i18n/Index first
-       // - if its flat try to acquire files by guessing
-       if (Dist[Dist.size() - 1] == '/') {
-               std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
-               for (std::set<std::string>::const_iterator s = sections.begin();
-                    s != sections.end(); ++s) {
-                       for (std::vector<std::string>::const_iterator l = lang.begin();
-                            l != lang.end(); l++) {
-                               if (*l == "none") continue;
-                               IndexTarget * Target = new OptionalIndexTarget();
-                               Target->ShortDesc = "Translation-" + *l;
-                               Target->MetaKey = TranslationIndexURISuffix(l->c_str(), *s);
-                               Target->URI = TranslationIndexURI(l->c_str(), *s);
-                               Target->Description = Info (Target->ShortDesc.c_str(), *s);
-                               IndexTargets->push_back(Target);
-                       }
-               }
-       } else {
-               for (std::set<std::string>::const_iterator s = sections.begin();
-                    s != sections.end(); ++s) {
-                       IndexTarget * Target = new OptionalIndexTarget();
-                       Target->ShortDesc = "TranslationIndex";
-                       Target->MetaKey = TranslationIndexURISuffix("Index", *s);
-                       Target->URI = TranslationIndexURI("Index", *s);
-                       Target->Description = Info (Target->ShortDesc.c_str(), *s);
-                       IndexTargets->push_back (Target);
-               }
-       }
-
-       return IndexTargets;
+   /* Skip over intermediate blanks */
+   Start = EntryEnd;
+   while (*Start == '\t' || *Start == ' ')
+      Start++;
+   if (Start >= End)
+      return false;
+   
+   EntryEnd = Start;
+   /* Find the end of the second entry (the size) */
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ' )
+         && EntryEnd < End)
+      EntryEnd++;
+   if (EntryEnd == End)
+      return false;
+   
+   Size = strtoull (Start, NULL, 10);
+      
+   /* Skip over intermediate blanks */
+   Start = EntryEnd;
+   while (*Start == '\t' || *Start == ' ')
+      Start++;
+   if (Start >= End)
+      return false;
+   
+   EntryEnd = Start;
+   /* Find the end of the third entry (the filename) */
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ' && 
+           *EntryEnd != '\n' && *EntryEnd != '\r')
+         && EntryEnd < End)
+      EntryEnd++;
+
+   Name.append(Start, EntryEnd-Start);
+   Start = EntryEnd; //prepare for the next round
+   return true;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
+
+bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll)/*{{{*/

 {
 {

+#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, false, d->ReleaseOptions)
+   pkgAcqMetaClearSig * const TransactionManager = new pkgAcqMetaClearSig(Owner,
+        APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"), this);
+#undef APT_TARGET

    // special case for --print-uris
    // special case for --print-uris

-   if (GetAll) {
-      vector <struct IndexTarget *> *targets = ComputeIndexTargets();
-      for (vector <struct IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); Target++) {
-        new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
-                        (*Target)->ShortDesc, HashString());
+   if (GetAll)
+      for (auto const &Target: GetIndexTargets())
+        if (Target.Option(IndexTarget::FALLBACK_OF).empty())
+           new pkgAcqIndex(Owner, TransactionManager, Target);
+
+   return true;
+}
+                                                                       /*}}}*/
+// ReleaseIndex::Set* TriState options                                 /*{{{*/
+bool debReleaseIndex::SetTrusted(TriState const pTrusted)
+{
+   if (Trusted == TRI_UNSET)
+      Trusted = pTrusted;
+   else if (Trusted != pTrusted)
+      // TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
+      return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Trusted", URI.c_str(), Dist.c_str());
+   return true;
+}
+bool debReleaseIndex::SetCheckValidUntil(TriState const pCheckValidUntil)
+{
+   if (d->CheckValidUntil == TRI_UNSET)
+      d->CheckValidUntil = pCheckValidUntil;
+   else if (d->CheckValidUntil != pCheckValidUntil)
+      return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Check-Valid-Until", URI.c_str(), Dist.c_str());
+   return true;
+}
+bool debReleaseIndex::SetValidUntilMin(time_t const Valid)
+{
+   if (d->ValidUntilMin == 0)
+      d->ValidUntilMin = Valid;
+   else if (d->ValidUntilMin != Valid)
+      return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Min-ValidTime", URI.c_str(), Dist.c_str());
+   return true;
+}
+bool debReleaseIndex::SetValidUntilMax(time_t const Valid)
+{
+   if (d->ValidUntilMax == 0)
+      d->ValidUntilMax = Valid;
+   else if (d->ValidUntilMax != Valid)
+      return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Max-ValidTime", URI.c_str(), Dist.c_str());
+   return true;
+}
+bool debReleaseIndex::SetSignedBy(std::string const &pSignedBy)
+{
+   if (SignedBy.empty() == true && pSignedBy.empty() == false)
+   {
+      if (pSignedBy[0] == '/') // no check for existence as we could be chrooting later or such things
+        SignedBy = pSignedBy; // absolute path to a keyring file
+      else
+      {
+        // we could go all fancy and allow short/long/string matches as gpgv/apt-key does,
+        // but fingerprints are harder to fake than the others and this option is set once,
+        // not interactively all the time so easy to type is not really a concern.
+        auto fingers = VectorizeString(pSignedBy, ',');
+        std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) {
+           std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper);
+           if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos)
+           {
+              _error->Error(_("Invalid value set for option %s regarding source %s %s (%s)"), "Signed-By", URI.c_str(), Dist.c_str(), "not a fingerprint");
+              return std::string();
+           }
+           return finger;
+        });
+        std::stringstream os;
+        std::copy(fingers.begin(), fingers.end(), std::ostream_iterator<std::string>(os, ","));
+        SignedBy = os.str();

       }
       }

+      // Normalize the string: Remove trailing commas
+      while (SignedBy[SignedBy.size() - 1] == ',')
+        SignedBy.resize(SignedBy.size() - 1);

    }
    }

-
-       new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"),
-               MetaIndexInfo("InRelease"), "InRelease",
-               MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
-               MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg",
-               ComputeIndexTargets(),
-               new indexRecords (Dist));
-
-       return true;
+   else {
+      // Only compare normalized strings
+      auto pSignedByView = APT::StringView(pSignedBy);
+      while (pSignedByView[pSignedByView.size() - 1] == ',')
+        pSignedByView = pSignedByView.substr(0, pSignedByView.size() - 1);
+      if (pSignedByView != SignedBy)
+        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());
+   }
+   return true;

 }
 }

-
+                                                                       /*}}}*/
+// ReleaseIndex::IsTrusted                                             /*{{{*/

 bool debReleaseIndex::IsTrusted() const
 {
 bool debReleaseIndex::IsTrusted() const
 {

+   if (Trusted == TRI_YES)
+      return true;
+   else if (Trusted == TRI_NO)
+      return false;
+
+

    if(_config->FindB("APT::Authentication::TrustCDROM", false))
       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
         return true;
 
    if(_config->FindB("APT::Authentication::TrustCDROM", false))
       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
         return true;
 

-   string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
-      URItoFileName(MetaIndexURI("Release")) + ".gpg";
-
-   if (FileExists(VerifiedSigFile))
+   if (FileExists(MetaIndexFile("Release.gpg")))

       return true;
 
       return true;
 

-   VerifiedSigFile = _config->FindDir("Dir::State::lists") +
-      URItoFileName(MetaIndexURI("InRelease"));
-
-   return FileExists(VerifiedSigFile);
+   return FileExists(MetaIndexFile("InRelease"));

 }
 }

-
-vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() {
-       if (Indexes != NULL)
-               return Indexes;
-
-       Indexes = new vector <pkgIndexFile*>;
-       map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
-       if (src != ArchEntries.end()) {
-               vector<debSectionEntry const*> const SectionEntries = src->second;
-               for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
-                    I != SectionEntries.end(); I++)
-                       Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
-       }
-
-       // Only source release
-       if (Indexes->empty() == false && ArchEntries.size() == 1)
-               return Indexes;
-
-       std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
-       map<string, set<string> > sections;
-       for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
-            a != ArchEntries.end(); ++a) {
-               if (a->first == "source")
-                       continue;
-               for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
-                    I != a->second.end(); I++) {
-                       Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first));
-                       sections[(*I)->Section].insert(lang.begin(), lang.end());
-               }
-       }
-
-       for (map<string, set<string> >::const_iterator s = sections.begin();
-            s != sections.end(); ++s)
-               for (set<string>::const_iterator l = s->second.begin();
-                    l != s->second.end(); l++) {
-                       if (*l == "none") continue;
-                       Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str()));
-               }
-
-       return Indexes;
+                                                                       /*}}}*/
+bool debReleaseIndex::IsArchitectureSupported(std::string const &arch) const/*{{{*/
+{
+   if (d->Architectures.empty())
+      return true;
+   return std::find(d->Architectures.begin(), d->Architectures.end(), arch) != d->Architectures.end();

 }
 }

+                                                                       /*}}}*/
+bool debReleaseIndex::IsArchitectureAllSupportedFor(IndexTarget const &target) const/*{{{*/
+{
+   if (target.Options.find("Force-Support-For-All") != target.Options.end())
+      return true;
+   if (IsArchitectureSupported("all") == false)
+      return false;
+   if (d->NoSupportForAll.empty())
+      return true;
+   return std::find(d->NoSupportForAll.begin(), d->NoSupportForAll.end(), target.Option(IndexTarget::CREATED_BY)) == d->NoSupportForAll.end();
+}
+                                                                       /*}}}*/
+std::vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()         /*{{{*/
+{
+   if (Indexes != NULL)
+      return Indexes;

 
 

-void debReleaseIndex::PushSectionEntry(vector<string> const &Archs, const debSectionEntry *Entry) {
-       for (vector<string>::const_iterator a = Archs.begin();
-            a != Archs.end(); ++a)
-               ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc));
-       delete Entry;
+   Indexes = new std::vector<pkgIndexFile*>();
+   bool const istrusted = IsTrusted();
+   for (auto const &T: GetIndexTargets())
+   {
+      std::string const TargetName = T.Option(IndexTarget::CREATED_BY);
+      if (TargetName == "Packages")
+        Indexes->push_back(new debPackagesIndex(T, istrusted));
+      else if (TargetName == "Sources")
+        Indexes->push_back(new debSourcesIndex(T, istrusted));
+      else if (TargetName == "Translations")
+        Indexes->push_back(new debTranslationsIndex(T));
+   }
+   return Indexes;
+}
+                                                                       /*}}}*/
+std::map<std::string, std::string> debReleaseIndex::GetReleaseOptions()
+{
+   return d->ReleaseOptions;

 }
 
 }
 

-void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) {
-       ArchEntries[Arch].push_back(Entry);
+static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/
+{
+   ReleaseFile = That->MetaIndexFile("InRelease");
+   bool releaseExists = false;
+   if (FileExists(ReleaseFile) == true)
+      releaseExists = true;
+   else
+   {
+      ReleaseFile = That->MetaIndexFile("Release");
+      if (FileExists(ReleaseFile))
+        releaseExists = true;
+   }
+   return releaseExists;

 }
 }

+                                                                       /*}}}*/
+bool debReleaseIndex::Merge(pkgCacheGenerator &Gen,OpProgress * /*Prog*/) const/*{{{*/
+{
+   std::string ReleaseFile;
+   bool const releaseExists = ReleaseFileName(this, ReleaseFile);
+
+   ::URI Tmp(URI);
+   if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false)
+      return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str());
+
+   if (releaseExists == false)
+      return true;
+
+   FileFd Rel;
+   // Beware: The 'Release' file might be clearsigned in case the
+   // signature for an 'InRelease' file couldn't be checked
+   if (OpenMaybeClearSignedFile(ReleaseFile, Rel) == false)
+      return false;
+
+   // Store the IMS information
+   pkgCache::RlsFileIterator File = Gen.GetCurRlsFile();
+   pkgCacheGenerator::Dynamic<pkgCache::RlsFileIterator> DynFile(File);
+   // Rel can't be used as this is potentially a temporary file
+   struct stat Buf;
+   if (stat(ReleaseFile.c_str(), &Buf) != 0)
+      return _error->Errno("fstat", "Unable to stat file %s", ReleaseFile.c_str());
+   File->Size = Buf.st_size;
+   File->mtime = Buf.st_mtime;

 
 

-void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) {
-       if (Entry->IsSrc == true)
-               PushSectionEntry("source", Entry);
-       else {
-               for (map<string, vector<const debSectionEntry *> >::iterator a = ArchEntries.begin();
-                    a != ArchEntries.end(); ++a) {
-                       a->second.push_back(Entry);
-               }
-       }
+   pkgTagFile TagFile(&Rel, Rel.Size());
+   pkgTagSection Section;
+   if (Rel.IsOpen() == false || Rel.Failed() || TagFile.Step(Section) == false)
+      return false;
+
+   std::string data;
+   #define APT_INRELEASE(TYPE, TAG, STORE) \
+   data = Section.FindS(TAG); \
+   if (data.empty() == false) \
+   { \
+      map_stringitem_t const storage = Gen.StoreString(pkgCacheGenerator::TYPE, data); \
+      if (storage == 0) return false; \
+      STORE = storage; \
+   }
+   APT_INRELEASE(MIXED, "Suite", File->Archive)
+   APT_INRELEASE(VERSIONNUMBER, "Version", File->Version)
+   APT_INRELEASE(MIXED, "Origin", File->Origin)
+   APT_INRELEASE(MIXED, "Codename", File->Codename)
+   APT_INRELEASE(MIXED, "Label", File->Label)
+   #undef APT_INRELEASE
+   Section.FindFlag("NotAutomatic", File->Flags, pkgCache::Flag::NotAutomatic);
+   Section.FindFlag("ButAutomaticUpgrades", File->Flags, pkgCache::Flag::ButAutomaticUpgrades);
+
+   return true;

 }
 }

+                                                                       /*}}}*/
+// ReleaseIndex::FindInCache - Find this index                         /*{{{*/
+pkgCache::RlsFileIterator debReleaseIndex::FindInCache(pkgCache &Cache, bool const ModifyCheck) const
+{
+   std::string ReleaseFile;
+   bool const releaseExists = ReleaseFileName(this, ReleaseFile);

 
 

-debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section,
-               bool const &IsSrc): Section(Section), IsSrc(IsSrc)
-{}
+   pkgCache::RlsFileIterator File = Cache.RlsFileBegin();
+   for (; File.end() == false; ++File)
+   {
+       if (File->FileName == 0 || ReleaseFile != File.FileName())
+        continue;
+
+       // empty means the file does not exist by "design"
+       if (ModifyCheck == false || (releaseExists == false && File->Size == 0))
+         return File;

 
 

-class debSLTypeDebian : public pkgSourceList::Type
+      struct stat St;
+      if (stat(File.FileName(),&St) != 0)
+      {
+         if (_config->FindB("Debug::pkgCacheGen", false))
+           std::clog << "ReleaseIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
+        return pkgCache::RlsFileIterator(Cache);
+      }
+      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
+      {
+         if (_config->FindB("Debug::pkgCacheGen", false))
+           std::clog << "ReleaseIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
+                       << ") or mtime (" << St.st_mtime << " <> " << File->mtime
+                       << ") doesn't match for " << File.FileName() << std::endl;
+        return pkgCache::RlsFileIterator(Cache);
+      }
+      return File;
+   }
+
+   return File;
+}
+                                                                       /*}}}*/
+
+class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type          /*{{{*/

 {
 {

-   protected:
+   static std::vector<std::string> getDefaultSetOf(std::string const &Name,
+        std::map<std::string, std::string> const &Options, std::vector<std::string> const &defaultValues)
+   {
+      auto const val = Options.find(Name);
+      if (val != Options.end())
+        return VectorizeString(val->second, ',');
+      return defaultValues;
+   }
+   static std::vector<std::string> applyPlusMinusOptions(std::string const &Name,
+        std::map<std::string, std::string> const &Options, std::vector<std::string> &&Values)
+   {
+      auto val = Options.find(Name + "+");
+      if (val != Options.end())
+      {
+        std::vector<std::string> const plus = VectorizeString(val->second, ',');
+        std::copy_if(plus.begin(), plus.end(), std::back_inserter(Values), [&Values](std::string const &v) {
+              return std::find(Values.begin(), Values.end(), v) == Values.end();
+              });
+      }
+      if ((val = Options.find(Name + "-")) != Options.end())
+      {
+        std::vector<std::string> const minus = VectorizeString(val->second, ',');
+        Values.erase(std::remove_if(Values.begin(), Values.end(), [&minus](std::string const &v) {
+                 return std::find(minus.begin(), minus.end(), v) != minus.end();
+                 }), Values.end());
+      }
+      return Values;
+   }
+   static std::vector<std::string> parsePlusMinusOptions(std::string const &Name,
+        std::map<std::string, std::string> const &Options, std::vector<std::string> const &defaultValues)
+   {
+      return applyPlusMinusOptions(Name, Options, getDefaultSetOf(Name, Options, defaultValues));
+   }
+   static std::vector<std::string> parsePlusMinusArchOptions(std::string const &Name,
+        std::map<std::string, std::string> const &Options)
+   {
+      auto Values = getDefaultSetOf(Name, Options, APT::Configuration::getArchitectures());
+      // all is a very special architecture users shouldn't be concerned with explicitly
+      // but if the user does, do not override the choice
+      auto const val = Options.find(Name + "-");
+      if (val != Options.end())
+      {
+        std::vector<std::string> const minus = VectorizeString(val->second, ',');
+        if (std::find(minus.begin(), minus.end(), "all") != minus.end())
+           return applyPlusMinusOptions(Name, Options, std::move(Values));
+      }
+      Values = applyPlusMinusOptions(Name, Options, std::move(Values));
+      if (std::find(Values.begin(), Values.end(), "all") == Values.end())
+        Values.push_back("implicit:all");
+      return Values;
+   }
+   static std::vector<std::string> parsePlusMinusTargetOptions(char const * const Name,
+        std::map<std::string, std::string> const &Options)
+   {
+      std::vector<std::string> const alltargets = _config->FindVector(std::string("Acquire::IndexTargets::") + Name, "", true);
+      std::vector<std::string> deftargets;
+      deftargets.reserve(alltargets.size());
+      std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(deftargets), [&](std::string const &t) {
+        std::string c = "Acquire::IndexTargets::";
+        c.append(Name).append("::").append(t).append("::DefaultEnabled");
+        return _config->FindB(c, true);
+      });
+      std::vector<std::string> mytargets = parsePlusMinusOptions("target", Options, deftargets);
+      for (auto const &target : alltargets)
+      {
+        std::map<std::string, std::string>::const_iterator const opt = Options.find(target);
+        if (opt == Options.end())
+           continue;
+        auto const idMatch = [&](std::string const &t) {
+           return target == _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + t + "::Identifier", t);
+        };
+        if (StringToBool(opt->second))
+           std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(mytargets), idMatch);
+        else
+           mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), idMatch), mytargets.end());
+      }
+      // if we can't order it in a 1000 steps we give up… probably a cycle
+      for (auto i = 0; i < 1000; ++i)
+      {
+        bool Changed = false;
+        for (auto t = mytargets.begin(); t != mytargets.end(); ++t)
+        {
+           std::string const fallback = _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + *t + "::Fallback-Of");
+           if (fallback.empty())
+              continue;
+           auto const faller = std::find(mytargets.begin(), mytargets.end(), fallback);
+           if (faller == mytargets.end() || faller < t)
+              continue;
+           Changed = true;
+           auto const tv = *t;
+           mytargets.erase(t);
+           mytargets.emplace_back(tv);
+        }
+        if (Changed == false)
+           break;
+      }
+      // remove duplicates without changing the order (in first appearance)
+      {
+        std::set<std::string> seenOnce;
+        mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), [&](std::string const &t) {
+           return seenOnce.insert(t).second == false;
+        }), mytargets.end());
+      }
+      return mytargets;
+   }

 
 

-   bool CreateItemInternal(vector<metaIndex *> &List, string const &URI,
-                          string const &Dist, string const &Section,
-                          bool const &IsSrc, map<string, string> const &Options) const
+   metaIndex::TriState GetTriStateOption(std::map<std::string, std::string>const &Options, char const * const name) const

    {
    {

-      map<string, string>::const_iterator const arch = Options.find("arch");
-      vector<string> const Archs =
-               (arch != Options.end()) ? VectorizeString(arch->second, ',') :
-                               APT::Configuration::getArchitectures();
+      std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
+      if (opt != Options.end())
+        return StringToBool(opt->second, false) ? metaIndex::TRI_YES : metaIndex::TRI_NO;
+      return metaIndex::TRI_DONTCARE;
+   }

 
 

-      for (vector<metaIndex *>::const_iterator I = List.begin();
-          I != List.end(); I++)
+   static time_t GetTimeOption(std::map<std::string, std::string>const &Options, char const * const name)
+   {
+      std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
+      if (opt == Options.end())
+        return 0;
+      return strtoull(opt->second.c_str(), NULL, 10);
+   }
+
+   static bool GetBoolOption(std::map<std::string, std::string> const &Options, char const * const name, bool const defVal)
+   {
+      std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
+      if (opt == Options.end())
+        return defVal;
+      return StringToBool(opt->second, defVal);
+   }
+
+   static std::vector<std::string> GetMapKeys(std::map<std::string, std::string> const &Options)
+   {
+      std::vector<std::string> ret;
+      ret.reserve(Options.size());
+      for (auto &&O: Options)
+        ret.emplace_back(O.first);
+      std::sort(ret.begin(), ret.end());
+      return ret;
+   }
+
+   static bool MapsAreEqual(std::map<std::string, std::string> const &OptionsA,
+        std::map<std::string, std::string> const &OptionsB,
+        std::string const &URI, std::string const &Dist)
+   {
+      auto const KeysA = GetMapKeys(OptionsA);
+      auto const KeysB = GetMapKeys(OptionsB);
+      auto const m = std::mismatch(KeysA.begin(), KeysA.end(), KeysB.begin());
+      if (m.first != KeysA.end())
+      {
+        if (std::find(KeysB.begin(), KeysB.end(), *m.first) == KeysB.end())
+           return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.first->c_str(), "<set>", "<unset>");
+        else
+           return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.second->c_str(), "<set>", "<unset>");
+      }
+      if (m.second != KeysB.end())
+      {
+        if (std::find(KeysA.begin(), KeysA.end(), *m.second) == KeysA.end())
+           return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.first->c_str(), "<set>", "<unset>");
+        else
+           return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.second->c_str(), "<set>", "<unset>");
+      }
+      for (auto&& key: KeysA)
+      {
+        if (key == "BASE_URI" || key == "REPO_URI")
+           continue;
+        auto const a = OptionsA.find(key);
+        auto const b = OptionsB.find(key);
+        if (unlikely(a == OptionsA.end() || b == OptionsB.end()) || a->second != b->second)
+           return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), key.c_str(), URI.c_str(), Dist.c_str());
+      }
+      return true;
+   }
+
+   static debReleaseIndex * GetDebReleaseIndexBy(std::vector<metaIndex *> &List, std::string const &URI,
+                          std::string const &Dist, std::map<std::string, std::string> const &Options)
+   {
+      std::map<std::string,std::string> ReleaseOptions = {{
+        { "BASE_URI", constructMetaIndexURI(URI, Dist, "") },
+        { "REPO_URI", URI },
+      }};
+      if (GetBoolOption(Options, "allow-insecure", _config->FindB("Acquire::AllowInsecureRepositories")))
+        ReleaseOptions.emplace("ALLOW_INSECURE", "true");
+      if (GetBoolOption(Options, "allow-weak", _config->FindB("Acquire::AllowWeakRepositories")))
+        ReleaseOptions.emplace("ALLOW_WEAK", "true");
+      if (GetBoolOption(Options, "allow-downgrade-to-insecure", _config->FindB("Acquire::AllowDowngradeToInsecureRepositories")))
+        ReleaseOptions.emplace("ALLOW_DOWNGRADE_TO_INSECURE", "true");
+
+      debReleaseIndex * Deb = nullptr;
+      std::string const FileName = URItoFileName(constructMetaIndexURI(URI, Dist, "Release"));
+      for (auto const &I: List)

       {
         // We only worry about debian entries here
       {
         // We only worry about debian entries here

-        if (strcmp((*I)->GetType(), "deb") != 0)
+        if (strcmp(I->GetType(), "deb") != 0)
+           continue;
+
+        auto const D = dynamic_cast<debReleaseIndex*>(I);
+        if (unlikely(D == nullptr))

            continue;
 
            continue;
 

-        debReleaseIndex *Deb = (debReleaseIndex *) (*I);
-        /* This check insures that there will be only one Release file
+        /* This check ensures that there will be only one Release file

            queued for all the Packages files and Sources files it
            corresponds to. */
            queued for all the Packages files and Sources files it
            corresponds to. */

-        if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
+        if (URItoFileName(D->MetaIndexURI("Release")) == FileName)
+        {
+           if (MapsAreEqual(ReleaseOptions, D->GetReleaseOptions(), URI, Dist) == false)
+              return nullptr;
+           Deb = D;
+           break;
+        }
+      }
+
+      // No currently created Release file indexes this entry, so we create a new one.
+      if (Deb == nullptr)
+      {
+        Deb = new debReleaseIndex(URI, Dist, ReleaseOptions);
+        List.push_back(Deb);
+      }
+      return Deb;
+   }
+
+   protected:
+
+   bool CreateItemInternal(std::vector<metaIndex *> &List, std::string const &URI,
+                          std::string const &Dist, std::string const &Section,
+                          bool const &IsSrc, std::map<std::string, std::string> const &Options) const
+   {
+      auto const Deb = GetDebReleaseIndexBy(List, URI, Dist, Options);
+
+      bool const UsePDiffs = GetBoolOption(Options, "pdiffs", _config->FindB("Acquire::PDiffs", true));
+
+      std::string UseByHash = _config->Find("APT::Acquire::By-Hash", "yes");
+      UseByHash = _config->Find("Acquire::By-Hash", UseByHash);
+      {
+        std::string const host = ::URI(URI).Host;
+        UseByHash = _config->Find("APT::Acquire::" + host + "::By-Hash", UseByHash);
+        UseByHash = _config->Find("Acquire::" + host + "::By-Hash", UseByHash);
+        std::map<std::string, std::string>::const_iterator const opt = Options.find("by-hash");
+        if (opt != Options.end())
+           UseByHash = opt->second;
+      }
+
+      auto const entry = Options.find("sourceslist-entry");
+      Deb->AddComponent(
+           entry->second,
+           IsSrc,
+           Section,
+           parsePlusMinusTargetOptions(Name, Options),
+           parsePlusMinusArchOptions("arch", Options),
+           parsePlusMinusOptions("lang", Options, APT::Configuration::getLanguages(true)),
+           UsePDiffs,
+           UseByHash
+           );
+
+      if (Deb->SetTrusted(GetTriStateOption(Options, "trusted")) == false ||
+        Deb->SetCheckValidUntil(GetTriStateOption(Options, "check-valid-until")) == false ||
+        Deb->SetValidUntilMax(GetTimeOption(Options, "valid-until-max")) == false ||
+        Deb->SetValidUntilMin(GetTimeOption(Options, "valid-until-min")) == false)
+        return false;
+
+      std::map<std::string, std::string>::const_iterator const signedby = Options.find("signed-by");
+      if (signedby == Options.end())
+      {
+        bool alreadySet = false;
+        std::string filename;
+        if (ReleaseFileName(Deb, filename))

         {
         {

-           if (IsSrc == true)
-              Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-           else
+           auto OldDeb = Deb->UnloadedClone();
+           _error->PushToStack();
+           OldDeb->Load(filename, nullptr);
+           bool const goodLoad = _error->PendingError() == false;
+           _error->RevertToStack();
+           if (goodLoad)

            {
            {

-              if (Dist[Dist.size() - 1] == '/')
-                 Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-              else
-                 Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
+              if (OldDeb->GetValidUntil() > 0)
+              {
+                 time_t const invalid_since = time(NULL) - OldDeb->GetValidUntil();
+                 if (invalid_since <= 0)
+                 {
+                    Deb->SetSignedBy(OldDeb->GetSignedBy());
+                    alreadySet = true;
+                 }
+              }

            }
            }

-           return true;
+           delete OldDeb;

         }
         }

+        if (alreadySet == false && Deb->SetSignedBy("") == false)
+           return false;

       }
       }

-      // No currently created Release file indexes this entry, so we create a new one.
-      // XXX determine whether this release is trusted or not
-      debReleaseIndex *Deb = new debReleaseIndex(URI, Dist);
-      if (IsSrc == true)
-        Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));

       else
       {
       else
       {

-        if (Dist[Dist.size() - 1] == '/')
-           Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
-        else
-           Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
+        if (Deb->SetSignedBy(signedby->second) == false)
+           return false;

       }
       }

-      List.push_back(Deb);
+

       return true;
    }
       return true;
    }

-};

 
 

-class debSLTypeDeb : public debSLTypeDebian
+   debSLTypeDebian(char const * const Name, char const * const Label) : Type(Name, Label)
+   {
+   }
+};
+                                                                       /*}}}*/
+class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian                 /*{{{*/

 {
    public:
 
 {
    public:
 

-   bool CreateItem(vector<metaIndex *> &List, string const &URI,
-                  string const &Dist, string const &Section,
-                  std::map<string, string> const &Options) const
+   bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+                  std::string const &Dist, std::string const &Section,
+                  std::map<std::string, std::string> const &Options) const APT_OVERRIDE

    {
       return CreateItemInternal(List, URI, Dist, Section, false, Options);
    }
 
    {
       return CreateItemInternal(List, URI, Dist, Section, false, Options);
    }
 

-   debSLTypeDeb()
+   debSLTypeDeb() : debSLTypeDebian("deb", "Debian binary tree")

    {
    {

-      Name = "deb";
-      Label = "Standard Debian binary tree";
-   }   
+   }

 };
 };

-
-class debSLTypeDebSrc : public debSLTypeDebian
+                                                                       /*}}}*/
+class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian              /*{{{*/

 {
    public:
 
 {
    public:
 

-   bool CreateItem(vector<metaIndex *> &List, string const &URI,
-                  string const &Dist, string const &Section,
-                  std::map<string, string> const &Options) const
+   bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+                  std::string const &Dist, std::string const &Section,
+                  std::map<std::string, std::string> const &Options) const APT_OVERRIDE

    {
       return CreateItemInternal(List, URI, Dist, Section, true, Options);
    }
    {
       return CreateItemInternal(List, URI, Dist, Section, true, Options);
    }

-   
-   debSLTypeDebSrc()
+
+   debSLTypeDebSrc() : debSLTypeDebian("deb-src", "Debian source tree")

    {
    {

-      Name = "deb-src";
-      Label = "Standard Debian source tree";
-   }   
+   }

 };
 };

+                                                                       /*}}}*/

 
 

-debSLTypeDeb _apt_DebType;
-debSLTypeDebSrc _apt_DebSrcType;
+APT_HIDDEN debSLTypeDeb _apt_DebType;
+APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;