Adding upstream version 2.6.1.upstream/2.6.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 775 insertions, 0 deletions

diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc
new file mode 100644
index 0000000..0d56926
--- /dev/null
+++ b/apt-pkg/indexcopy.cc
@@ -0,0 +1,775 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+
+   Index Copying - Aid for copying and verifying the index files
+   
+   This class helps apt-cache reconstruct a damaged index files. 
+   
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/cdrom.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/debmetaindex.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/gpgv.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/tagfile-keys.h>
+#include <apt-pkg/tagfile.h>
+
+#include <iostream>
+#include <sstream>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "indexcopy.h"
+#include <apti18n.h>
+									/*}}}*/
+
+using namespace std;
+
+// IndexCopy::CopyPackages - Copy the package files from the CD		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool IndexCopy::CopyPackages(string CDROM,string Name,vector<string> &List,
+			     pkgCdromStatus *log)
+{
+   OpProgress *Progress = NULL;
+   if (List.empty() == true)
+      return true;
+   
+   if(log) 
+      Progress = log->GetOpProgress();
+   
+   bool NoStat = _config->FindB("APT::CDROM::Fast",false);
+   bool Debug = _config->FindB("Debug::aptcdrom",false);
+   
+   // Prepare the progress indicator
+   off_t TotalSize = 0;
+   std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+   for (auto const &F : List)
+   {
+      struct stat Buf;
+      bool found = false;
+      auto const file = F + GetFileName();
+      for (auto const &c : compressor)
+      {
+	 if (stat((file + c.Extension).c_str(), &Buf) != 0)
+	    continue;
+	 found = true;
+	 break;
+      }
+
+      if (found == false)
+	 return _error->Errno("stat", "Stat failed for %s", file.c_str());
+      TotalSize += Buf.st_size;
+   }
+
+   off_t CurrentSize = 0;
+   unsigned int NotFound = 0;
+   unsigned int WrongSize = 0;
+   unsigned int Packages = 0;
+   for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+   {
+      std::string OrigPath(*I,CDROM.length());
+
+      // Open the package file
+      FileFd Pkg(*I + GetFileName(), FileFd::ReadOnly, FileFd::Auto);
+      off_t const FileSize = Pkg.Size();
+
+      pkgTagFile Parser(&Pkg);
+      if (Pkg.IsOpen() == false || Pkg.Failed())
+	 return false;
+      
+      // Open the output file
+      char S[400];
+      snprintf(S,sizeof(S),"cdrom:[%s]/%s%s",Name.c_str(),
+	       (*I).c_str() + CDROM.length(),GetFileName());
+      string TargetF = _config->FindDir("Dir::State::lists") + "partial/";
+      TargetF += URItoFileName(S);
+      FileFd Target;
+      if (_config->FindB("APT::CDROM::NoAct",false) == true)
+      {
+	 TargetF = "/dev/null";
+         Target.Open(TargetF,FileFd::WriteExists);
+      } else {
+         Target.Open(TargetF,FileFd::WriteAtomic);
+      }
+      if (Target.IsOpen() == false || Target.Failed())
+	 return false;
+
+      // Setup the progress meter
+      if(Progress)
+	 Progress->OverallProgress(CurrentSize,TotalSize,FileSize,
+				   string("Reading ") + Type() + " Indexes");
+
+      // Parse
+      if(Progress)
+	 Progress->SubProgress(Pkg.Size());
+      pkgTagSection Section;
+      this->Section = &Section;
+      string Prefix;
+      unsigned long Hits = 0;
+      unsigned long Chop = 0;
+      while (Parser.Step(Section) == true)
+      {
+	 if(Progress)
+	    Progress->Progress(Parser.Offset());
+	 string File;
+	 unsigned long long Size;
+	 if (GetFile(File,Size) == false)
+	    return false;
+
+	 if (Chop != 0)
+	    File = OrigPath + ChopDirs(File,Chop);
+
+	 // See if the file exists
+	 if (NoStat == false || Hits < 10)
+	 {
+	    // Attempt to fix broken structure
+	    if (Hits == 0)
+	    {
+	       if (ReconstructPrefix(Prefix,OrigPath,CDROM,File) == false &&
+		   ReconstructChop(Chop,*I,File) == false)
+	       {
+		  if (Debug == true)
+		     clog << "Missed: " << File << endl;
+		  NotFound++;
+		  continue;
+	       }
+	       if (Chop != 0)
+		  File = OrigPath + ChopDirs(File,Chop);
+	    }
+
+	    // Get the size
+	    struct stat Buf;
+	    if (stat((CDROM + Prefix + File).c_str(),&Buf) != 0 ||
+		Buf.st_size == 0)
+	    {
+	       bool Mangled = false;
+	       // Attempt to fix busted symlink support for one instance
+	       string OrigFile = File;
+	       string::size_type Start = File.find("binary-");
+	       string::size_type End = File.find("/",Start+3);
+	       if (Start != string::npos && End != string::npos)
+	       {
+		  File.replace(Start,End-Start,"binary-all");
+		  Mangled = true;
+	       }
+
+	       if (Mangled == false ||
+		   stat((CDROM + Prefix + File).c_str(),&Buf) != 0)
+	       {
+		  if (Debug == true)
+		     clog << "Missed(2): " << OrigFile << endl;
+		  NotFound++;
+		  continue;
+	       }
+	    }
+
+	    // Size match
+	    if ((unsigned long long)Buf.st_size != Size)
+	    {
+	       if (Debug == true)
+		  clog << "Wrong Size: " << File << endl;
+	       WrongSize++;
+	       continue;
+	    }
+	 }
+
+	 Packages++;
+	 Hits++;
+
+	 if (RewriteEntry(Target, File) == false)
+	    return false;
+      }
+
+      if (Debug == true)
+	 cout << " Processed by using Prefix '" << Prefix << "' and chop " << Chop << endl;
+
+      if (_config->FindB("APT::CDROM::NoAct",false) == false)
+      {
+	 // Move out of the partial directory
+	 Target.Close();
+	 string FinalF = _config->FindDir("Dir::State::lists");
+	 FinalF += URItoFileName(S);
+	 if (rename(TargetF.c_str(),FinalF.c_str()) != 0)
+	    return _error->Errno("rename","Failed to rename");
+	 ChangeOwnerAndPermissionOfFile("CopyPackages", FinalF.c_str(), "root", ROOT_GROUP, 0644);
+      }
+
+      /* Mangle the source to be in the proper notation with
+	 prefix dist [component] */
+      *I = string(*I,Prefix.length());
+      ConvertToSourceList(CDROM,*I);
+      *I = Prefix + ' ' + *I;
+
+      CurrentSize += FileSize;
+   }
+   if(Progress)
+      Progress->Done();
+
+   // Some stats
+   if(log) {
+      stringstream msg;
+      if(NotFound == 0 && WrongSize == 0)
+	 ioprintf(msg, _("Wrote %i records.\n"), Packages);
+      else if (NotFound != 0 && WrongSize == 0)
+	 ioprintf(msg, _("Wrote %i records with %i missing files.\n"),
+		  Packages, NotFound);
+      else if (NotFound == 0 && WrongSize != 0)
+	 ioprintf(msg, _("Wrote %i records with %i mismatched files\n"),
+		  Packages, WrongSize);
+      if (NotFound != 0 && WrongSize != 0)
+	 ioprintf(msg, _("Wrote %i records with %i missing files and %i mismatched files\n"), Packages, NotFound, WrongSize);
+   }
+
+   if (Packages == 0)
+      _error->Warning("No valid records were found.");
+
+   if (NotFound + WrongSize > 10)
+      _error->Warning("A lot of entries were discarded, something may be wrong.\n");
+
+   return true;
+}
+									/*}}}*/
+// IndexCopy::ChopDirs - Chop off the leading directory components	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+string IndexCopy::ChopDirs(string Path,unsigned int Depth)
+{
+   string::size_type I = 0;
+   do
+   {
+      I = Path.find('/',I+1);
+      Depth--;
+   }
+   while (I != string::npos && Depth != 0);
+
+   if (I == string::npos)
+      return string();
+
+   return string(Path,I+1);
+}
+									/*}}}*/
+// IndexCopy::ReconstructPrefix - Fix strange prefixing			/*{{{*/
+// ---------------------------------------------------------------------
+/* This prepends dir components from the path to the package files to
+   the path to the deb until it is found */
+bool IndexCopy::ReconstructPrefix(string &Prefix,string OrigPath,string CD,
+				  string File)
+{
+   bool Debug = _config->FindB("Debug::aptcdrom",false);
+   unsigned int Depth = 1;
+   string MyPrefix = Prefix;
+   while (1)
+   {
+      struct stat Buf;
+      if (stat((CD + MyPrefix + File).c_str(),&Buf) != 0)
+      {
+	 if (Debug == true)
+	    cout << "Failed, " << CD + MyPrefix + File << endl;
+	 if (GrabFirst(OrigPath,MyPrefix,Depth++) == true)
+	    continue;
+	 
+	 return false;
+      }
+      else
+      {
+	 Prefix = MyPrefix;
+	 return true;
+      }      
+   }
+   return false;
+}
+									/*}}}*/
+// IndexCopy::ReconstructChop - Fixes bad source paths			/*{{{*/
+// ---------------------------------------------------------------------
+/* This removes path components from the filename and prepends the location
+   of the package files until a file is found */
+bool IndexCopy::ReconstructChop(unsigned long &Chop,string Dir,string File)
+{
+   // Attempt to reconstruct the filename
+   unsigned long Depth = 0;
+   while (1)
+   {
+      struct stat Buf;
+      if (stat((Dir + File).c_str(),&Buf) != 0)
+      {
+	 File = ChopDirs(File,1);
+	 Depth++;
+	 if (File.empty() == false)
+	    continue;
+	 return false;
+      }
+      else
+      {
+	 Chop = Depth;
+	 return true;
+      }
+   }
+   return false;
+}
+									/*}}}*/
+// IndexCopy::ConvertToSourceList - Convert a Path to a sourcelist 	/*{{{*/
+// ---------------------------------------------------------------------
+/* We look for things in dists/ notation and convert them to 
+   <dist> <component> form otherwise it is left alone. This also strips
+   the CD path. 
+ 
+   This implements a regex sort of like: 
+    (.*)/dists/([^/]*)/(.*)/binary-* 
+     ^          ^      ^- Component
+     |          |-------- Distribution
+     |------------------- Path
+   
+   It was deciced to use only a single word for dist (rather than say
+   unstable/non-us) to increase the chance that each CD gets a single
+   line in sources.list.
+ */
+void IndexCopy::ConvertToSourceList(string CD,string &Path)
+{
+   // Strip the cdrom base path
+   Path = string(Path,CD.length());
+   if (Path.empty() == true)
+      Path = "/";
+   
+   // Too short to be a dists/ type
+   if (Path.length() < strlen("dists/"))
+      return;
+   
+   // Not a dists type.
+   if (stringcmp(Path.c_str(),Path.c_str()+strlen("dists/"),"dists/") != 0)
+      return;
+      
+   // Isolate the dist
+   string::size_type Slash = strlen("dists/");
+   string::size_type Slash2 = Path.find('/',Slash + 1);
+   if (Slash2 == string::npos || Slash2 + 2 >= Path.length())
+      return;
+   string Dist = string(Path,Slash,Slash2 - Slash);
+   
+   // Isolate the component
+   Slash = Slash2;
+   for (unsigned I = 0; I != 10; I++)
+   {
+      Slash = Path.find('/',Slash+1);
+      if (Slash == string::npos || Slash + 2 >= Path.length())
+	 return;
+      string Comp = string(Path,Slash2+1,Slash - Slash2-1);
+	 
+      // Verify the trailing binary- bit
+      string::size_type BinSlash = Path.find('/',Slash + 1);
+      if (Slash == string::npos)
+	 return;
+      string Binary = string(Path,Slash+1,BinSlash - Slash-1);
+      
+      if (strncmp(Binary.c_str(), "binary-", strlen("binary-")) == 0)
+      {
+	 Binary.erase(0, strlen("binary-"));
+	 if (APT::Configuration::checkArchitecture(Binary) == false)
+	    continue;
+      }
+      else if (Binary != "source")
+	 continue;
+
+      Path = Dist + ' ' + Comp;
+      return;
+   }   
+}
+									/*}}}*/
+// IndexCopy::GrabFirst - Return the first Depth path components	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool IndexCopy::GrabFirst(string Path,string &To,unsigned int Depth)
+{
+   string::size_type I = 0;
+   do
+   {
+      I = Path.find('/',I+1);
+      Depth--;
+   }
+   while (I != string::npos && Depth != 0);
+   
+   if (I == string::npos)
+      return false;
+
+   To = string(Path,0,I+1);
+   return true;
+}
+									/*}}}*/
+// PackageCopy::GetFile - Get the file information from the section	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool PackageCopy::GetFile(string &File,unsigned long long &Size)
+{
+   File = Section->Find(pkgTagSection::Key::Filename).to_string();
+   Size = Section->FindULL(pkgTagSection::Key::Size);
+   if (File.empty() || Size == 0)
+      return _error->Error("Cannot find filename or size tag");
+   return true;
+}
+									/*}}}*/
+// PackageCopy::RewriteEntry - Rewrite the entry with a new filename	/*{{{*/
+bool PackageCopy::RewriteEntry(FileFd &Target,string const &File)
+{
+   std::vector<pkgTagSection::Tag> Changes;
+   Changes.push_back(pkgTagSection::Tag::Rewrite("Filename", File));
+
+   if (Section->Write(Target, TFRewritePackageOrder, Changes) == false)
+      return false;
+   return Target.Write("\n", 1);
+}
+									/*}}}*/
+// SourceCopy::GetFile - Get the file information from the section	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool SourceCopy::GetFile(string &File,unsigned long long &Size)
+{
+   std::string Files;
+   for (auto hashinfo : HashString::SupportedHashesInfo())
+   {
+      Files = Section->Find(hashinfo.chksumskey).to_string();
+      if (not Files.empty())
+	 break;
+   }
+   if (Files.empty())
+      return false;
+
+   // Read the first file triplet
+   const char *C = Files.c_str();
+   string sSize;
+   string MD5Hash;
+   
+   // Parse each of the elements
+   if (ParseQuoteWord(C,MD5Hash) == false ||
+       ParseQuoteWord(C,sSize) == false ||
+       ParseQuoteWord(C,File) == false)
+      return _error->Error("Error parsing file record");
+   
+   // Parse the size and append the directory
+   Size = strtoull(sSize.c_str(), NULL, 10);
+   auto const Base = Section->Find(pkgTagSection::Key::Directory);
+   File = flCombine(Base.to_string(), File);
+   return true;
+}
+									/*}}}*/
+// SourceCopy::RewriteEntry - Rewrite the entry with a new filename	/*{{{*/
+bool SourceCopy::RewriteEntry(FileFd &Target, std::string const &File)
+{
+   string const Dir(File,0,File.rfind('/'));
+   std::vector<pkgTagSection::Tag> Changes;
+   Changes.push_back(pkgTagSection::Tag::Rewrite("Directory", Dir));
+
+   if (Section->Write(Target, TFRewriteSourceOrder, Changes) == false)
+      return false;
+   return Target.Write("\n", 1);
+}
+									/*}}}*/
+// SigVerify::Verify - Verify a files md5sum against its metaindex	/*{{{*/
+bool SigVerify::Verify(string prefix, string file, metaIndex *MetaIndex)
+{
+   const metaIndex::checkSum *Record = MetaIndex->Lookup(file);
+   bool const Debug = _config->FindB("Debug::aptcdrom",false);
+
+   // we skip non-existing files in the verifcation of the Release file
+   // as non-existing files do not harm, but a warning scares people and
+   // makes it hard to strip unneeded files from an ISO like uncompressed
+   // indexes as it is done on the mirrors (see also LP: #255545 )
+   if(!RealFileExists(prefix+file))
+   {
+      if (Debug == true)
+	 cout << "Skipping nonexistent in " << prefix << " file " << file << std::endl;
+      return true;
+   }
+
+   if (!Record)
+   {
+      _error->Warning(_("Can't find authentication record for: %s"), file.c_str());
+      return false;
+   }
+
+   if (!Record->Hashes.VerifyFile(prefix+file))
+   {
+      _error->Warning(_("Hash mismatch for: %s"),file.c_str());
+      return false;
+   }
+
+   if(Debug == true)
+   {
+      cout << "File: " << prefix+file << endl
+	 << "Expected Hash " << endl;
+      for (HashStringList::const_iterator hs = Record->Hashes.begin(); hs != Record->Hashes.end(); ++hs)
+	 std::cout <<  "\t- " << hs->toStr() << std::endl;
+   }
+
+   return true;
+}
+									/*}}}*/
+bool SigVerify::CopyMetaIndex(string CDROM, string CDName,		/*{{{*/
+			      string prefix, string file)
+{
+      char S[400];
+      snprintf(S,sizeof(S),"cdrom:[%s]/%s%s",CDName.c_str(),
+	       (prefix).c_str() + CDROM.length(),file.c_str());
+      string TargetF = _config->FindDir("Dir::State::lists");
+      TargetF += URItoFileName(S);
+
+      FileFd Target;
+      FileFd Rel;
+      Target.Open(TargetF,FileFd::WriteAtomic);
+      Rel.Open(prefix + file,FileFd::ReadOnly);
+      if (CopyFile(Rel,Target) == false || Target.Close() == false)
+	 return _error->Error("Copying of '%s' for '%s' from '%s' failed", file.c_str(), CDName.c_str(), prefix.c_str());
+      ChangeOwnerAndPermissionOfFile("CopyPackages", TargetF.c_str(), "root", ROOT_GROUP, 0644);
+
+      return true;
+}
+									/*}}}*/
+bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,	/*{{{*/
+			      vector<string> /*PkgList*/,vector<string> /*SrcList*/)
+{
+   if (SigList.empty() == true)
+      return true;
+
+   bool Debug = _config->FindB("Debug::aptcdrom",false);
+
+   // Read all Release files
+   for (vector<string>::iterator I = SigList.begin(); I != SigList.end(); ++I)
+   {
+      if(Debug)
+	 cout << "Signature verify for: " << *I << endl;
+
+      metaIndex *MetaIndex = new debReleaseIndex("","", {});
+      string prefix = *I; 
+
+      string const releasegpg = *I+"Release.gpg";
+      string const release = *I+"Release";
+      string const inrelease = *I+"InRelease";
+      bool useInRelease = true;
+
+      // a Release.gpg without a Release should never happen
+      if (RealFileExists(inrelease) == true)
+	 ;
+      else if(RealFileExists(release) == false || RealFileExists(releasegpg) == false)
+      {
+	 delete MetaIndex;
+	 continue;
+      }
+      else
+	 useInRelease = false;
+
+      pid_t pid = ExecFork();
+      if(pid < 0) {
+	 _error->Error("Fork failed");
+	 return false;
+      }
+      if(pid == 0)
+      {
+	 if (useInRelease == true)
+	    ExecGPGV(inrelease, inrelease);
+	 else
+	    ExecGPGV(release, releasegpg);
+      }
+
+      if(!ExecWait(pid, "gpgv")) {
+	 _error->Warning("Signature verification failed for: %s",
+			 (useInRelease ? inrelease.c_str() : releasegpg.c_str()));
+	 // something went wrong, don't copy the Release.gpg
+	 // FIXME: delete any existing gpg file?
+	 delete MetaIndex;
+	 continue;
+      }
+
+      // Open the Release file and add it to the MetaIndex
+      std::string ErrorText;
+      if(MetaIndex->Load(release, &ErrorText) == false)
+      {
+	 _error->Error("%s", ErrorText.c_str());
+	 return false;
+      }
+
+      // go over the Indexfiles and see if they verify
+      // if so, remove them from our copy of the lists
+      vector<string> keys = MetaIndex->MetaKeys();
+      for (vector<string>::iterator I = keys.begin(); I != keys.end(); ++I)
+      { 
+	 if(!Verify(prefix,*I, MetaIndex)) {
+	    // something went wrong, don't copy the Release.gpg
+	    // FIXME: delete any existing gpg file?
+	    _error->Discard();
+	    continue;	 
+	 }
+      }
+
+      // we need a fresh one for the Release.gpg
+      delete MetaIndex;
+   
+      // everything was fine, copy the Release and Release.gpg file
+      if (useInRelease == true)
+	 CopyMetaIndex(CDROM, Name, prefix, "InRelease");
+      else
+      {
+	 CopyMetaIndex(CDROM, Name, prefix, "Release");
+	 CopyMetaIndex(CDROM, Name, prefix, "Release.gpg");
+      }
+   }   
+
+   return true;
+}
+									/*}}}*/
+bool TranslationsCopy::CopyTranslations(string CDROM,string Name,	/*{{{*/
+				vector<string> &List, pkgCdromStatus *log)
+{
+   OpProgress *Progress = NULL;
+   if (List.empty() == true)
+      return true;
+   
+   if(log) 
+      Progress = log->GetOpProgress();
+   
+   bool Debug = _config->FindB("Debug::aptcdrom",false);
+   
+   // Prepare the progress indicator
+   off_t TotalSize = 0;
+   std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+   for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+   {
+      struct stat Buf;
+      bool found = false;
+      std::string file = *I;
+      for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	   c != compressor.end(); ++c)
+      {
+	 if (stat((file + c->Extension).c_str(), &Buf) != 0)
+	    continue;
+	 found = true;
+	 break;
+      }
+
+      if (found == false)
+	 return _error->Errno("stat", "Stat failed for %s", file.c_str());
+      TotalSize += Buf.st_size;
+   }
+
+   off_t CurrentSize = 0;
+   unsigned int NotFound = 0;
+   unsigned int WrongSize = 0;
+   unsigned int Packages = 0;
+   for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+   {
+      // Open the package file
+      FileFd Pkg(*I, FileFd::ReadOnly, FileFd::Auto);
+      off_t const FileSize = Pkg.Size();
+
+      pkgTagFile Parser(&Pkg);
+      if (Pkg.IsOpen() == false || Pkg.Failed())
+	 return false;
+
+      // Open the output file
+      char S[400];
+      snprintf(S,sizeof(S),"cdrom:[%s]/%s",Name.c_str(),
+	       (*I).c_str() + CDROM.length());
+      string TargetF = _config->FindDir("Dir::State::lists") + "partial/";
+      TargetF += URItoFileName(S);
+      FileFd Target;
+      if (_config->FindB("APT::CDROM::NoAct",false) == true)
+      {
+	 TargetF = "/dev/null";
+	 Target.Open(TargetF,FileFd::WriteExists);
+      } else {
+	 Target.Open(TargetF,FileFd::WriteAtomic);
+      }
+      if (Pkg.IsOpen() == false || Pkg.Failed())
+	 return false;
+
+      // Setup the progress meter
+      if(Progress)
+	 Progress->OverallProgress(CurrentSize,TotalSize,FileSize,
+				   string("Reading Translation Indexes"));
+
+      // Parse
+      if(Progress)
+	 Progress->SubProgress(Pkg.Size());
+      pkgTagSection Section;
+      this->Section = &Section;
+      string Prefix;
+      unsigned long Hits = 0;
+      while (Parser.Step(Section) == true)
+      {
+	 if(Progress)
+	    Progress->Progress(Parser.Offset());
+
+	 if (Section.Write(Target) == false || Target.Write("\n", 1) == false)
+	    return false;
+
+	 Packages++;
+	 Hits++;
+      }
+
+      if (Debug == true)
+	 cout << " Processed by using Prefix '" << Prefix << "' and chop " << endl;
+
+      if (_config->FindB("APT::CDROM::NoAct",false) == false)
+      {
+	 // Move out of the partial directory
+	 Target.Close();
+	 string FinalF = _config->FindDir("Dir::State::lists");
+	 FinalF += URItoFileName(S);
+	 if (rename(TargetF.c_str(),FinalF.c_str()) != 0)
+	    return _error->Errno("rename","Failed to rename");
+	 ChangeOwnerAndPermissionOfFile("CopyTranslations", FinalF.c_str(), "root", ROOT_GROUP, 0644);
+      }
+
+      CurrentSize += FileSize;
+   }
+   if(Progress)
+      Progress->Done();
+
+   // Some stats
+   if(log) {
+      stringstream msg;
+      if(NotFound == 0 && WrongSize == 0)
+	 ioprintf(msg, _("Wrote %i records.\n"), Packages);
+      else if (NotFound != 0 && WrongSize == 0)
+	 ioprintf(msg, _("Wrote %i records with %i missing files.\n"),
+		  Packages, NotFound);
+      else if (NotFound == 0 && WrongSize != 0)
+	 ioprintf(msg, _("Wrote %i records with %i mismatched files\n"),
+		  Packages, WrongSize);
+      if (NotFound != 0 && WrongSize != 0)
+	 ioprintf(msg, _("Wrote %i records with %i missing files and %i mismatched files\n"), Packages, NotFound, WrongSize);
+   }
+
+   if (Packages == 0)
+      _error->Warning("No valid records were found.");
+
+   if (NotFound + WrongSize > 10)
+      _error->Warning("A lot of entries were discarded, something may be wrong.\n");
+
+   return true;
+}
+									/*}}}*/
+
+IndexCopy::IndexCopy() : d(nullptr), Section(nullptr) {}
+IndexCopy::~IndexCopy() {}
+
+PackageCopy::PackageCopy() : IndexCopy(), d(NULL) {}
+PackageCopy::~PackageCopy() {}
+SourceCopy::SourceCopy() : IndexCopy(), d(NULL) {}
+SourceCopy::~SourceCopy() {}
+TranslationsCopy::TranslationsCopy() : d(nullptr), Section(nullptr) {}
+TranslationsCopy::~TranslationsCopy() {}
+SigVerify::SigVerify() : d(NULL) {}
+SigVerify::~SigVerify() {}