Import Debian version 2.1.7+parrot1

apt (2.1.7+parrot1) rolling-testing; urgency=medium

  * Import new Debian version.
  * Re-enable https-to-http redirects.

apt (2.1.7) unstable; urgency=medium

  [ David Kalnischkies ]
  * Do not hardcode (wrong) group and mode in setup warning (Closes: #962310)
  * Do not sent our filename-provides trick to EDSP solvers (Closes: #962741)
  * Tell EDSP solvers about all installed pkgs ignoring arch
  * Deduplicate EDSP Provides line of M-A:foreign packages
  * Delay removals due to Conflicts until Depends are resolved
  * Filter out impossible solutions for protected propagation
  * Add dependency points in the resolver also to providers
  * Reorder config check before checking systemd for non-interactive http
  * Reorder config check before result looping for SRV parsing debug
  * Fix test due to display change in ls (coreutils 8.32)
  * Detect pkg-config-dpkghook failure in tests to avoid fallback (Closes: #964475)

  [ Américo Monteiro ]
  * Portuguese manpages translation update (Closes: #962483)

  [ Julian Andres Klode ]
  * Replace some magic 64*1024 with APT_BUFFER_SIZE
  * Add basic support for the Protected field

  [ Sergio Oller Moreno ]
  * Minor Catalan grammar typo

  [ Frans Spiesschaert ]
  * Dutch program translation update (Closes: #963008)

apt (2.1.6) unstable; urgency=medium

  [ David Kalnischkies ]
  * Fix small memory leak in MethodConfig
  * Consider protected packages for removal if they are marked as such
  * Consider if a fix is successful before claiming it is
  * Allow 20 instead of 10 loops for pkgProblemResolver
  * Deal with duplicates in the solution space of a dep

apt (2.1.5) unstable; urgency=medium

  [ David Kalnischkies ]
  * Reset candidate version explicitly for internal state-keeping
    (Closes: #961266)
  * Known-bad candidate versions are not an upgrade option
  * Keep status number if candidate is discarded for kept back display
  * Allow pkgDepCache to be asked to check internal consistency
  * Don't update candidate provides map if the same as current
  * Ensure EDSP doesn't use a dangling architecture string
  * Allow FMV SSE4.2 detection to succeed on clang
  * Mark PatternTreeParser::Node destructor as virtual

  [ Frans Spiesschaert ]
  * Dutch manpages translation update (Closes: #961431)

apt (2.1.4) unstable; urgency=medium

  [ David Kalnischkies ]
  * Check satisfiability for versioned provides, not providing version

apt (2.1.3) unstable; urgency=medium

  [ David Kalnischkies ]
  * Prefer use of O_TMPFILE in GetTempFile if available
  * Allow prefix to be a complete filename for GetTempFile
  * Properly handle interrupted write() call in ExtractTar
  * Skip reading data from tar members if nobody will look at it
  * Keep going if a dep is bad for user requests to improve errors
  * Support negative dependencies in VCI::FromDependency
  * Deal with protected solution providers first
  * Propagate protected to already satisfied conflicts (Closes: #960705)
  * Propagate protected to already satisfied dependencies
  * Recognize propagated protected in pkgProblemResolver

  [ Julian Andres Klode ]
  * private-search: Only use V.TranslatedDescription() if good (LP: #1877987)

apt (2.1.2) unstable; urgency=critical

  [ Julian Andres Klode ]
  * SECURITY UPDATE: Out of bounds read in ar, tar implementations (LP: #1878177)
    - apt-pkg/contrib/arfile.cc: Fix out-of-bounds read in member name
    - apt-pkg/contrib/arfile.cc: Fix out-of-bounds read on unterminated
      member names in error path
    - apt-pkg/contrib/extracttar.cc: Fix out-of-bounds read on unterminated
      member names in error path
    - CVE-2020-3810

  [ Frans Spiesschaert ]
  * Dutch program translation update (Closes: #960186)

CMake/CheckCxxTarget.cmake

@@ -25,11 +25,12 @@
 # SOFTWARE.
 
 
+include(CheckCXXSourceCompiles)
 function(check_cxx_target var target code)
 	check_cxx_source_compiles(
 	"
-	__attribute__((target(\"${target}\"))) static int foo() { ${code} return 1; }
-	__attribute__((target(\"default\"))) static int foo() { ${code} return 0; }
-	int main() { return foo(); }
+	__attribute__((target(\"${target}\"))) static int foo(int i) { return ${code}; }
+	__attribute__((target(\"default\"))) static int foo(int i) { return i; }
+	int main(int i, char **) { return foo(i); }
 	"  ${var})
 endfunction()

CMake/apti18n.h.in

@@ -2,6 +2,9 @@
 /* Internationalization macros for apt. This header should be included last
    in each C file. */
 
+#ifndef APT_I18N_H
+#define APT_I18N_H
+
 // Set by autoconf
 #cmakedefine USE_NLS
 
@@ -19,11 +22,13 @@
 # define N_(x) x
 #else
 // apt will not use any gettext
-# define setlocale(a, b)
-# define textdomain(a)
-# define bindtextdomain(a, b)
+extern "C" inline char* setlocale(int, const char*) throw() { return nullptr; }
+extern "C" inline char* textdomain(const char*) throw() { return nullptr; }
+extern "C" inline char* bindtextdomain(const char*, const char*) throw() { return nullptr; }
+extern "C" inline char* dgettext(const char*, const char* msg) throw() { return const_cast<char*>(msg); }
 # define _(x) x
 # define P_(msg,plural,n) (n == 1 ? msg : plural)
 # define N_(x) x
-# define dgettext(d, m) m
+#endif
+
 #endif

CMakeLists.txt

@@ -198,13 +198,13 @@ endif()
 
 # Check multiversioning
 include(CheckCxxTarget)
-check_cxx_target(HAVE_FMV_SSE42_AND_CRC32 "sse4.2" "__builtin_ia32_crc32si(0, 1llu);")
-check_cxx_target(HAVE_FMV_SSE42_AND_CRC32DI "sse4.2" "__builtin_ia32_crc32di(0, 1llu);")
+check_cxx_target(HAVE_FMV_SSE42_AND_CRC32 "sse4.2" "__builtin_ia32_crc32si(0,i)|__builtin_ia32_crc32hi(0,i)|__builtin_ia32_crc32qi(0,i)")
+check_cxx_target(HAVE_FMV_SSE42_AND_CRC32DI "sse4.2" "__builtin_ia32_crc32di(0,i)")
 
 # Configure some variables like package, version and architecture.
 set(PACKAGE ${PROJECT_NAME})
 set(PACKAGE_MAIL "APT Development Team <deity@lists.debian.org>")
-set(PACKAGE_VERSION "2.1.1")
+set(PACKAGE_VERSION "2.1.7")
 string(REGEX MATCH "^[0-9.]+" PROJECT_VERSION ${PACKAGE_VERSION})
 
 if (NOT DEFINED DPKG_DATADIR)

apt-pkg/acquire.cc

@@ -105,18 +105,18 @@ static bool SetupAPTPartialDirectory(std::string const &grand, std::string const
 	 {
 	    // chown the partial dir
 	    if(chown(partial.c_str(), pw->pw_uid, gr->gr_gid) != 0)
-	       _error->WarningE("SetupAPTPartialDirectory", "chown to %s:root of directory %s failed", SandboxUser.c_str(), partial.c_str());
+	       _error->WarningE("SetupAPTPartialDirectory", "chown to %s:%s of directory %s failed", SandboxUser.c_str(), ROOT_GROUP, partial.c_str());
 	 }
       }
       if (chmod(partial.c_str(), mode) != 0)
-	 _error->WarningE("SetupAPTPartialDirectory", "chmod 0700 of directory %s failed", partial.c_str());
+	 _error->WarningE("SetupAPTPartialDirectory", "chmod 0%03o of directory %s failed", mode, partial.c_str());
 
    }
    else if (chmod(partial.c_str(), mode) != 0)
    {
       // if we haven't created the dir and aren't root, it is kinda expected that chmod doesn't work
       if (partialExists == false)
-	 _error->WarningE("SetupAPTPartialDirectory", "chmod 0700 of directory %s failed", partial.c_str());
+	 _error->WarningE("SetupAPTPartialDirectory", "chmod 0%03o of directory %s failed", mode, partial.c_str());
    }
 
    _error->PushToStack();
@@ -1474,5 +1474,5 @@ pkgAcquire::UriIterator::UriIterator(pkgAcquire::Queue *Q) : d(NULL), CurQ(Q), C
 }
 
 pkgAcquire::UriIterator::~UriIterator() {}
-pkgAcquire::MethodConfig::~MethodConfig() {}
+pkgAcquire::MethodConfig::~MethodConfig() { delete d; }
 pkgAcquireStatus::~pkgAcquireStatus() {}

apt-pkg/algorithms.cc

@@ -58,6 +58,8 @@ pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache),
    string Jnk = "SIMULATE";
    for (decltype(PackageCount) I = 0; I != PackageCount; ++I)
       FileNames[I] = Jnk;
+
+   Cache->CheckConsistency("simulate");
 }
 									/*}}}*/
 // Simulate::~Simulate - Destructor					/*{{{*/
@@ -515,18 +517,37 @@ void pkgProblemResolver::MakeScores()
 	 Score += PrioInstalledAndNotObsolete;
 
       // propagate score points along dependencies
-      for (pkgCache::DepIterator D = InstVer.DependsList(); D.end() == false; ++D)
+      for (pkgCache::DepIterator D = InstVer.DependsList(); not D.end(); ++D)
       {
 	 if (DepMap[D->Type] == 0)
 	    continue;
 	 pkgCache::PkgIterator const T = D.TargetPkg();
-	 if (D->Version != 0)
+	 if (not D.IsIgnorable(T))
+	 {
+	    if (D->Version != 0)
+	    {
+	       pkgCache::VerIterator const IV = Cache[T].InstVerIter(Cache);
+	       if (IV.end() || not D.IsSatisfied(IV))
+		  continue;
+	    }
+	    Scores[T->ID] += DepMap[D->Type];
+	 }
+
+	 std::vector<map_id_t> providers;
+	 for (auto Prv = T.ProvidesList(); not Prv.end(); ++Prv)
 	 {
-	    pkgCache::VerIterator const IV = Cache[T].InstVerIter(Cache);
-	    if (IV.end() == true || D.IsSatisfied(IV) == false)
+	    if (D.IsIgnorable(Prv))
 	       continue;
+	    auto const PV = Prv.OwnerVer();
+	    auto const PP = PV.ParentPkg();
+	    if (PV != Cache[PP].InstVerIter(Cache) || not D.IsSatisfied(Prv))
+	       continue;
+	    providers.push_back(PP->ID);
 	 }
-	 Scores[T->ID] += DepMap[D->Type];
+	 std::sort(providers.begin(), providers.end());
+	 providers.erase(std::unique(providers.begin(), providers.end()), providers.end());
+	 for (auto const prv : providers)
+	    Scores[prv] += DepMap[D->Type];
       }
    }
 
@@ -562,13 +583,25 @@ void pkgProblemResolver::MakeScores()
       provide important packages extremely important */
    for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
    {
-      for (pkgCache::PrvIterator P = I.ProvidesList(); P.end() == false; ++P)
+      auto const transfer = abs(Scores[I->ID] - OldScores[I->ID]);
+      if (transfer == 0)
+	 continue;
+
+      std::vector<map_id_t> providers;
+      for (auto Prv = I.ProvidesList(); not Prv.end(); ++Prv)
       {
-	 // Only do it once per package
-	 if ((pkgCache::Version *)P.OwnerVer() != Cache[P.OwnerPkg()].InstallVer)
+	 if (Prv.IsMultiArchImplicit())
+	    continue;
+	 auto const PV = Prv.OwnerVer();
+	 auto const PP = PV.ParentPkg();
+	 if (PV != Cache[PP].InstVerIter(Cache))
 	    continue;
-	 Scores[P.OwnerPkg()->ID] += abs(Scores[I->ID] - OldScores[I->ID]);
+	 providers.push_back(PP->ID);
       }
+      std::sort(providers.begin(), providers.end());
+      providers.erase(std::unique(providers.begin(), providers.end()), providers.end());
+      for (auto const prv : providers)
+	 Scores[prv] += transfer;
    }
 
    /* Protected things are pushed really high up. This number should put them
@@ -599,7 +632,8 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
    Flags[Pkg->ID] &= ~Upgradable;
    
    bool WasKept = Cache[Pkg].Keep();
-   Cache.MarkInstall(Pkg, false, 0, false);
+   if (not Cache.MarkInstall(Pkg, false, 0, false))
+     return false;
 
    // This must be a virtual package or something like that.
    if (Cache[Pkg].InstVerIter(Cache).end() == true)
@@ -633,7 +667,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
 	 
 	 // Do not change protected packages
 	 PkgIterator P = Start.SmartTargetPkg();
-	 if ((Flags[P->ID] & Protected) == Protected)
+	 if (Cache[P].Protect())
 	 {
 	    if (Debug == true)
 	       clog << "    Reinst Failed because of protected " << P.FullName(false) << endl;
@@ -720,6 +754,9 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 {
    pkgDepCache::ActionGroup group(Cache);
 
+   if (Debug)
+      Cache.CheckConsistency("resolve start");
+
    // Record which packages are marked for install
    bool Again = false;
    do
@@ -787,8 +824,9 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
       changing a breaks c) */
    bool Change = true;
    bool const TryFixByInstall = _config->FindB("pkgProblemResolver::FixByInstall", true);
+   int const MaxCounter = _config->FindI("pkgProblemResolver::MaxCounter", 20);
    std::vector<PackageKill> KillList;
-   for (int Counter = 0; Counter != 10 && Change == true; Counter++)
+   for (int Counter = 0; Counter < MaxCounter && Change; ++Counter)
    {
       Change = false;
       for (pkgCache::Package **K = PList.get(); K != PEnd; K++)
@@ -800,7 +838,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 	 if (Cache[I].CandidateVer != Cache[I].InstallVer &&
 	     I->CurrentVer != 0 && Cache[I].InstallVer != 0 &&
 	     (Flags[I->ID] & PreInstalled) != 0 &&
-	     (Flags[I->ID] & Protected) == 0 &&
+	     not Cache[I].Protect() &&
 	     (Flags[I->ID] & ReInstateTried) == 0)
 	 {
 	    if (Debug == true)
@@ -835,7 +873,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 	 pkgCache::DepIterator End;
 	 size_t OldSize = 0;
 
-	 KillList.resize(0);
+	 KillList.clear();
 	 
 	 enum {OrRemove,OrKeep} OrOp = OrRemove;
 	 for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList();
@@ -849,7 +887,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 	       {
 		  if (OrOp == OrRemove)
 		  {
-		     if ((Flags[I->ID] & Protected) != Protected)
+		     if (not Cache[I].Protect())
 		     {
 			if (Debug == true)
 			   clog << "  Or group remove for " << I.FullName(false) << endl;
@@ -903,7 +941,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 	       targets then we keep the package and bail. This is necessary
 	       if a package has a dep on another package that can't be found */
 	    std::unique_ptr<pkgCache::Version *[]> VList(Start.AllTargets());
-	    if (VList[0] == 0 && (Flags[I->ID] & Protected) != Protected &&
+	    if (VList[0] == 0 && not Cache[I].Protect() &&
 		Start.IsNegative() == false &&
 		Cache[I].NowBroken() == false)
 	    {	       
@@ -950,7 +988,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 		    End.IsNegative() == false))
 	       {
 		  // Try a little harder to fix protected packages..
-		  if ((Flags[I->ID] & Protected) == Protected)
+		  if (Cache[I].Protect())
 		  {
 		     if (DoUpgrade(Pkg) == true)
 		     {
@@ -1037,7 +1075,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 		  }
 
 		  // Skip adding to the kill list if it is protected
-		  if ((Flags[Pkg->ID] & Protected) != 0)
+		  if (Cache[Pkg].Protect() && Cache[Pkg].Mode != pkgDepCache::ModeDelete)
 		     continue;
 		
 		  if (Debug == true)
@@ -1053,7 +1091,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 	    // Hm, nothing can possibly satisfy this dep. Nuke it.
 	    if (VList[0] == 0 &&
 		Start.IsNegative() == false &&
-		(Flags[I->ID] & Protected) != Protected)
+		not Cache[I].Protect())
 	    {
 	       bool Installed = Cache[I].Install();
 	       Cache.MarkKeep(I);
@@ -1093,33 +1131,38 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
 	 // Apply the kill list now
 	 if (Cache[I].InstallVer != 0)
 	 {
-	    for (auto J = KillList.begin(); J != KillList.end(); J++)
+	    for (auto const &J : KillList)
 	    {
-	       Change = true;
-	       if ((Cache[J->Dep] & pkgDepCache::DepGNow) == 0)
+	       bool foundSomething = false;
+	       if ((Cache[J.Dep] & pkgDepCache::DepGNow) == 0)
 	       {
-		  if (J->Dep.IsNegative() == true)
+		  if (J.Dep.IsNegative() && Cache.MarkDelete(J.Pkg, false, 0, false))
 		  {
-		     if (Debug == true)
-			clog << "  Fixing " << I.FullName(false) << " via remove of " << J->Pkg.FullName(false) << endl;
-		     Cache.MarkDelete(J->Pkg, false, 0, false);
+		     if (Debug)
+			std::clog << "  Fixing " << I.FullName(false) << " via remove of " << J.Pkg.FullName(false) << '\n';
+		     foundSomething = true;
 		  }
 	       }
-	       else
+	       else if (Cache.MarkKeep(J.Pkg, false, false))
 	       {
-		  if (Debug == true)
-		     clog << "  Fixing " << I.FullName(false) << " via keep of " << J->Pkg.FullName(false) << endl;
-		  Cache.MarkKeep(J->Pkg, false, false);
+		  if (Debug)
+		     std::clog << "  Fixing " << I.FullName(false) << " via keep of " << J.Pkg.FullName(false) << '\n';
+		  foundSomething = true;
 	       }
 
-	       if (Counter > 1)
+	       if (not foundSomething || Counter > 1)
 	       {
-		  if (Scores[I->ID] > Scores[J->Pkg->ID])		  
-		     Scores[J->Pkg->ID] = Scores[I->ID];
-	       }	       
-	    }      
+		  if (Scores[I->ID] > Scores[J.Pkg->ID])
+		  {
+		     Scores[J.Pkg->ID] = Scores[I->ID];
+		     Change = true;
+		  }
+	       }
+	       if (foundSomething)
+		  Change = true;
+	    }
 	 }
-      }      
+      }
    }
 
    if (Debug == true)
@@ -1133,7 +1176,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
       {
 	 if (Cache[I].InstBroken() == false)
 	    continue;
-	 if ((Flags[I->ID] & Protected) != Protected)
+	 if (not Cache[I].Protect())
 	    return _error->Error(_("Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages."));
       }
       return _error->Error(_("Unable to correct problems, you have held broken packages."));
@@ -1151,6 +1194,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
       }
    }
 
+   if (Debug)
+      Cache.CheckConsistency("resolve done");
 
    return true;
 }
@@ -1210,6 +1255,9 @@ bool pkgProblemResolver::ResolveByKeepInternal()
 {
    pkgDepCache::ActionGroup group(Cache);
 
+   if (Debug)
+      Cache.CheckConsistency("keep start");
+
    MakeScores();
 
    /* We have to order the packages so that the broken fixing pass 
@@ -1253,7 +1301,7 @@ bool pkgProblemResolver::ResolveByKeepInternal()
 
       /* Keep the package. If this works then great, otherwise we have
 	 to be significantly more aggressive and manipulate its dependencies */
-      if ((Flags[I->ID] & Protected) == 0)
+      if (not Cache[I].Protect())
       {
 	 if (Debug == true)
 	    clog << "Keeping package " << I.FullName(false) << endl;
@@ -1301,7 +1349,7 @@ bool pkgProblemResolver::ResolveByKeepInternal()
 		   Pkg->CurrentVer == 0)
 		  continue;
 	       
-	       if ((Flags[I->ID] & Protected) == 0)
+	       if (not Cache[I].Protect())
 	       {
 		  if (Debug == true)
 		     clog << "  Keeping Package " << Pkg.FullName(false) << " due to " << Start.DepType() << endl;
@@ -1340,6 +1388,10 @@ bool pkgProblemResolver::ResolveByKeepInternal()
    }
 
    delete[] PList;
+
+   if (Debug)
+      Cache.CheckConsistency("keep done");
+
    return true;
 }
 									/*}}}*/

apt-pkg/cachefilter-patterns.h

@@ -48,6 +48,7 @@ struct APT_PUBLIC PatternTreeParser
 
       virtual std::ostream &render(std::ostream &os) { return os; };
       std::nullptr_t error(std::string message);
+      virtual ~Node() = default;
    };
 
    struct Error : public std::exception

apt-pkg/cacheset.cc

@@ -583,74 +583,54 @@ bool VersionContainerInterface::FromDependency(VersionContainerInterface * const
 					       CacheSetHelper &helper)
 {
 	bool found = false;
-	switch(selector) {
-	case CacheSetHelper::ALL:
-	{
-		pkgCache::PkgIterator const T = D.TargetPkg();
-		for (pkgCache::VerIterator Ver = T.VersionList(); Ver.end() == false; ++Ver)
+	auto const insertVersion = [&](pkgCache::PkgIterator const &TP, pkgCache::VerIterator const &TV) {
+		if (not TV.end() && not D.IsIgnorable(TP) && D.IsSatisfied(TV))
 		{
-		   if (D.IsSatisfied(Ver) == true)
-		   {
-		      vci->insert(Ver);
-		      found = true;
-		   }
-		   for (pkgCache::PrvIterator Prv = T.ProvidesList(); Prv.end() != true; ++Prv)
+		   vci->insert(TV);
+		   found = true;
+		}
+	};
+	pkgCache::PkgIterator const T = D.TargetPkg();
+	auto const insertAllTargetVersions = [&](auto const &getTargetVersion) {
+		insertVersion(T, getTargetVersion(T));
+		for (auto Prv = T.ProvidesList(); not Prv.end(); ++Prv)
+		{
+		   if (D.IsIgnorable(Prv))
+		      continue;
+		   auto const OP = Prv.OwnerPkg();
+		   auto const TV = getTargetVersion(OP);
+		   if (Prv.OwnerVer() == TV && D.IsSatisfied(Prv))
 		   {
-		      pkgCache::VerIterator const V = Prv.OwnerVer();
-		      if (unlikely(V.end() == true) || D.IsSatisfied(Prv) == false)
-			 continue;
-		      vci->insert(V);
+		      vci->insert(TV);
 		      found = true;
 		   }
 		}
 		return found;
-	}
+	};
+	switch(selector) {
+	case CacheSetHelper::ALL:
+		for (auto Ver = T.VersionList(); not Ver.end(); ++Ver)
+		{
+		   insertVersion(T, Ver);
+		   for (pkgCache::PrvIterator Prv = T.ProvidesList(); not Prv.end(); ++Prv)
+		      if (not D.IsIgnorable(Prv))
+		      {
+			 vci->insert(Prv.OwnerVer());
+			 found = true;
+		      }
+		}
+		return found;
 	case CacheSetHelper::CANDANDINST:
-	{
 		found = FromDependency(vci, Cache, D, CacheSetHelper::CANDIDATE, helper);
 		found &= FromDependency(vci, Cache, D, CacheSetHelper::INSTALLED, helper);
 		return found;
-	}
 	case CacheSetHelper::CANDIDATE:
-	{
-		pkgCache::PkgIterator const T = D.TargetPkg();
-		pkgCache::VerIterator const Cand = Cache[T].CandidateVerIter(Cache);
-		if (Cand.end() == false && D.IsSatisfied(Cand) == true)
-		{
-		   vci->insert(Cand);
-		   found = true;
-		}
-		for (pkgCache::PrvIterator Prv = T.ProvidesList(); Prv.end() != true; ++Prv)
-		{
-		   pkgCache::VerIterator const V = Prv.OwnerVer();
-		   pkgCache::VerIterator const Cand = Cache[Prv.OwnerPkg()].CandidateVerIter(Cache);
-		   if (Cand.end() == true || V != Cand || D.IsSatisfied(Prv) == false)
-		      continue;
-		   vci->insert(Cand);
-		   found = true;
-		}
-		return found;
-	}
+		// skip looking if we have already cached that we will find nothing
+		if (((Cache[D] & pkgDepCache::DepCVer) == 0) != D.IsNegative())
+		   return found;
+		return insertAllTargetVersions([&](pkgCache::PkgIterator const &OP) { return Cache[OP].CandidateVerIter(Cache); });
 	case CacheSetHelper::INSTALLED:
-	{
-		pkgCache::PkgIterator const T = D.TargetPkg();
-		pkgCache::VerIterator const Cand = T.CurrentVer();
-		if (Cand.end() == false && D.IsSatisfied(Cand) == true)
-		{
-		   vci->insert(Cand);
-		   found = true;
-		}
-		for (pkgCache::PrvIterator Prv = T.ProvidesList(); Prv.end() != true; ++Prv)
-		{
-		   pkgCache::VerIterator const V = Prv.OwnerVer();
-		   pkgCache::VerIterator const Cand = Prv.OwnerPkg().CurrentVer();
-		   if (Cand.end() == true || V != Cand || D.IsSatisfied(Prv) == false)
-		      continue;
-		   vci->insert(Cand);
-		   found = true;
-		}
-		return found;
-	}
+		return insertAllTargetVersions([&](pkgCache::PkgIterator const &OP) { return OP.CurrentVer(); });
 	case CacheSetHelper::CANDINST:
 		return FromDependency(vci, Cache, D, CacheSetHelper::CANDIDATE, helper) ||
 		   FromDependency(vci, Cache, D, CacheSetHelper::INSTALLED, helper);
@@ -658,25 +638,7 @@ bool VersionContainerInterface::FromDependency(VersionContainerInterface * const
 		return FromDependency(vci, Cache, D, CacheSetHelper::INSTALLED, helper) ||
 		   FromDependency(vci, Cache, D, CacheSetHelper::CANDIDATE, helper);
 	case CacheSetHelper::NEWEST:
-	{
-		pkgCache::PkgIterator const T = D.TargetPkg();
-		pkgCache::VerIterator const Cand = T.VersionList();
-		if (Cand.end() == false && D.IsSatisfied(Cand) == true)
-		{
-		   vci->insert(Cand);
-		   found = true;
-		}
-		for (pkgCache::PrvIterator Prv = T.ProvidesList(); Prv.end() != true; ++Prv)
-		{
-		   pkgCache::VerIterator const V = Prv.OwnerVer();
-		   pkgCache::VerIterator const Cand = Prv.OwnerPkg().VersionList();
-		   if (Cand.end() == true || V != Cand || D.IsSatisfied(Prv) == false)
-		      continue;
-		   vci->insert(Cand);
-		   found = true;
-		}
-		return found;
-	}
+		return insertAllTargetVersions([&](pkgCache::PkgIterator const &OP) { return OP.VersionList(); });
 	case CacheSetHelper::RELEASE:
 	case CacheSetHelper::VERSIONNUMBER:
 		// both make no sense here, so always false

apt-pkg/contrib/arfile.cc

@@ -92,7 +92,7 @@ bool ARArchive::LoadHeaders()
 	  StrToNum(Head.Size,Memb->Size,sizeof(Head.Size)) == false)
       {
 	 delete Memb;
-	 return _error->Error(_("Invalid archive member header %s"), Head.Name);
+	 return _error->Error(_("Invalid archive member header"));
       }
 	 
       // Check for an extra long name string
@@ -119,7 +119,14 @@ bool ARArchive::LoadHeaders()
       else
       {
 	 unsigned int I = sizeof(Head.Name) - 1;
-	 for (; Head.Name[I] == ' ' || Head.Name[I] == '/'; I--);
+	 for (; Head.Name[I] == ' ' || Head.Name[I] == '/'; I--)
+	 {
+	    if (I == 0)
+	    {
+	       delete Memb;
+	       return _error->Error(_("Invalid archive member header"));
+	    }
+	 }
 	 Memb->Name = std::string(Head.Name,I+1);
       }
 

apt-pkg/contrib/extracttar.cc

@@ -254,53 +254,53 @@ bool ExtractTar::Go(pkgDirStream &Stream)
 	 
 	 default:
 	 BadRecord = true;
-	 _error->Warning(_("Unknown TAR header type %u, member %s"),(unsigned)Tar->LinkFlag,Tar->Name);
+	 _error->Warning(_("Unknown TAR header type %u"), (unsigned)Tar->LinkFlag);
 	 break;
       }
-      
+
       int Fd = -1;
-      if (BadRecord == false)
-	 if (Stream.DoItem(Itm,Fd) == false)
+      if (not BadRecord && not Stream.DoItem(Itm, Fd))
+	 return false;
+
+      if (Fd == -1 || Fd < -2 || BadRecord)
+      {
+	 if (Itm.Size > 0 && not InFd.Skip(((Itm.Size + (sizeof(Block) - 1)) / sizeof(Block)) * sizeof(Block)))
 	    return false;
-      
-      // Copy the file over the FD
-      unsigned long long Size = Itm.Size;
-      while (Size != 0)
+      }
+      else if (Itm.Size != 0)
       {
+	 // Copy the file over the FD
+	 auto Size = Itm.Size;
 	 unsigned char Junk[32*1024];
-	 unsigned long Read = min(Size, (unsigned long long)sizeof(Junk));
-	 if (InFd.Read(Junk,((Read+511)/512)*512) == false)
-	    return false;
-	 
-	 if (BadRecord == false)