Adding upstream version 2.6.1.upstream/2.6.1upstream

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

1 files changed, 989 insertions, 0 deletions

diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
new file mode 100644
index 0000000..ea10d10
--- /dev/null
+++ b/apt-pkg/cdrom.cc
@@ -0,0 +1,989 @@
+/*
+ */
+#include <config.h>
+
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/cdrom.h>
+#include <apt-pkg/cdromutl.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexcopy.h>
+#include <apt-pkg/strutl.h>
+
+#include <algorithm>
+#include <fstream>
+#include <iostream>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+#include <dirent.h>
+#include <dlfcn.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <apti18n.h>
+
+#ifdef HAVE_UDEV
+#include <libudev.h>
+#endif
+
+using namespace std;
+
+// FindPackages - Find the package files on the CDROM			/*{{{*/
+// ---------------------------------------------------------------------
+/* We look over the cdrom for package files. This is a recursive
+   search that short circuits when it his a package file in the dir.
+   This speeds it up greatly as the majority of the size is in the
+   binary-* sub dirs. */
+bool pkgCdrom::FindPackages(string CD,
+			    vector<string> &List,
+			    vector<string> &SList, 
+			    vector<string> &SigList,
+			    vector<string> &TransList,
+			    string &InfoDir, pkgCdromStatus *log,
+			    unsigned int Depth)
+{
+   static ino_t Inodes[9];
+   DIR *D;
+
+   // if we have a look we "pulse" now
+   if(log)
+      log->Update();
+
+   if (Depth >= 7)
+      return true;
+
+   if (CD[CD.length()-1] != '/')
+      CD += '/';   
+
+   if (chdir(CD.c_str()) != 0)
+      return _error->Errno("chdir","Unable to change to %s",CD.c_str());
+
+   // Look for a .disk subdirectory
+   if (InfoDir.empty() == true)
+   {
+      if (DirectoryExists(".disk") == true)
+	 InfoDir = InfoDir + CD + ".disk/";
+   }
+
+   // Don't look into directories that have been marked to ignore.
+   if (RealFileExists(".aptignr") == true)
+      return true;
+
+   /* Check _first_ for a signature file as apt-cdrom assumes that all files
+      under a Packages/Source file are in control of that file and stops 
+      the scanning
+   */
+   if (RealFileExists("Release.gpg") == true || RealFileExists("InRelease") == true)
+   {
+      SigList.push_back(CD);
+   }
+
+   /* Aha! We found some package files. We assume that everything under 
+      this dir is controlled by those package files so we don't look down
+      anymore */
+   std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	c != compressor.end(); ++c)
+   {
+      if (RealFileExists(std::string("Packages").append(c->Extension).c_str()) == false)
+	 continue;
+
+      if (_config->FindB("Debug::aptcdrom",false) == true)
+	 std::clog << "Found Packages in " << CD << std::endl;
+      List.push_back(CD);
+
+      // Continue down if thorough is given
+      if (_config->FindB("APT::CDROM::Thorough",false) == false)
+	 return true;
+      break;
+   }
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	c != compressor.end(); ++c)
+   {
+      if (RealFileExists(std::string("Sources").append(c->Extension).c_str()) == false)
+	 continue;
+
+      if (_config->FindB("Debug::aptcdrom",false) == true)
+	 std::clog << "Found Sources in " << CD << std::endl;
+      SList.push_back(CD);
+
+      // Continue down if thorough is given
+      if (_config->FindB("APT::CDROM::Thorough",false) == false)
+	 return true;
+      break;
+   }
+
+   // see if we find translation indices
+   if (DirectoryExists("i18n") == true)
+   {
+      D = opendir("i18n");
+      for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
+      {
+	 if(strncmp(Dir->d_name, "Translation-", strlen("Translation-")) != 0)
+	    continue;
+	 string file = Dir->d_name;
+	 for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	      c != compressor.end(); ++c)
+	 {
+	    string fileext = flExtension(file);
+	    if (file == fileext)
+	       fileext.clear();
+	    else if (fileext.empty() == false)
+	       fileext = "." + fileext;
+
+	    if (c->Extension == fileext)
+	    {
+	       if (_config->FindB("Debug::aptcdrom",false) == true)
+		  std::clog << "Found translation " << Dir->d_name << " in " << CD << "i18n/" << std::endl;
+	       file.erase(file.size() - fileext.size());
+	       TransList.push_back(CD + "i18n/" + file);
+	       break;
+	    }
+	 }
+      }
+      closedir(D);
+   }
+
+   D = opendir(".");
+   if (D == 0)
+      return _error->Errno("opendir","Unable to read %s",CD.c_str());
+   
+   // Run over the directory
+   for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
+   {
+      // Skip some files..
+      if (strcmp(Dir->d_name,".") == 0 ||
+	  strcmp(Dir->d_name,"..") == 0 ||
+	  strcmp(Dir->d_name,".disk") == 0 ||
+          strcmp(Dir->d_name,"debian-installer") == 0)
+	 continue;
+
+      // See if the name is a sub directory
+      struct stat Buf;
+      if (stat(Dir->d_name,&Buf) != 0)
+	 continue;      
+      
+      if (S_ISDIR(Buf.st_mode) == 0)
+	 continue;
+      
+      unsigned int I;
+      for (I = 0; I != Depth; I++)
+	 if (Inodes[I] == Buf.st_ino)
+	    break;
+      if (I != Depth)
+	 continue;
+      
+      // Store the inodes weve seen
+      Inodes[Depth] = Buf.st_ino;
+
+      // Descend
+      if (FindPackages(CD + Dir->d_name,List,SList,SigList,TransList,InfoDir,log,Depth+1) == false)
+	 break;
+
+      if (chdir(CD.c_str()) != 0)
+      {
+	 _error->Errno("chdir","Unable to change to %s", CD.c_str());
+	 closedir(D);
+	 return false;
+      }
+   };
+
+   closedir(D);
+   
+   return !_error->PendingError();
+}
+									/*}}}*/
+// Score - We compute a 'score' for a path				/*{{{*/
+// ---------------------------------------------------------------------
+/* Paths are scored based on how close they come to what I consider
+   normal. That is ones that have 'dist' 'stable' 'testing' will score
+   higher than ones without. */
+int pkgCdrom::Score(string Path)
+{
+   int Res = 0;
+   if (Path.find("stable/") != string::npos)
+      Res += 29;
+   if (Path.find("/binary-") != string::npos)
+      Res += 20;
+   if (Path.find("testing/") != string::npos)
+      Res += 28;
+   if (Path.find("unstable/") != string::npos)
+      Res += 27;
+   if (Path.find("/dists/") != string::npos)
+      Res += 40;
+   if (Path.find("/main/") != string::npos)
+      Res += 20;
+   if (Path.find("/contrib/") != string::npos)
+      Res += 20;
+   if (Path.find("/non-free/") != string::npos)
+      Res += 20;
+   if (Path.find("/non-free-firmware/") != string::npos)
+      Res += 20;
+   if (Path.find("/non-US/") != string::npos)
+      Res += 20;
+   if (Path.find("/source/") != string::npos)
+      Res += 10;
+   if (Path.find("/debian/") != string::npos)
+      Res -= 10;
+
+   // check for symlinks in the patch leading to the actual file
+   // a symlink gets a big penalty
+   struct stat Buf;
+   string statPath = flNotFile(Path);
+   string cdromPath = _config->FindDir("Acquire::cdrom::mount");
+   while(statPath != cdromPath && statPath != "./") {
+      statPath.resize(statPath.size()-1);  // remove the trailing '/'
+      if (lstat(statPath.c_str(),&Buf) == 0) {
+        if(S_ISLNK(Buf.st_mode)) {
+           Res -= 60;
+           break;
+        }
+      }
+      statPath = flNotFile(statPath); // descent
+   }
+
+   return Res;
+}
+									/*}}}*/
+// DropBinaryArch - Dump dirs with a string like /binary-<foo>/		/*{{{*/
+// ---------------------------------------------------------------------
+/* Here we drop everything that is not this machines arch */
+bool pkgCdrom::DropBinaryArch(vector<string> &List)
+{
+
+   for (unsigned int I = 0; I < List.size(); I++)
+   {
+      const char *Str = List[I].c_str();
+      const char *Start, *End;
+      if ((Start = strstr(Str,"/binary-")) == 0)
+	 continue;
+
+      // Between Start and End is the architecture
+      Start += 8;
+      if ((End = strstr(Start,"/")) != 0 && Start != End &&
+          APT::Configuration::checkArchitecture(string(Start, End)) == true)
+	 continue; // okay, architecture is accepted
+
+      // not accepted -> Erase it
+      List.erase(List.begin() + I);
+      --I; // the next entry is at the same index after the erase
+   }
+   
+   return true;
+}
+									/*}}}*/
+// DropTranslation - Dump unwanted Translation-<lang> files		/*{{{*/
+// ---------------------------------------------------------------------
+/* Here we drop everything that is not configured in Acquire::Languages */
+bool pkgCdrom::DropTranslation(vector<string> &List)
+{
+   for (unsigned int I = 0; I < List.size(); I++)
+   {
+      const char *Start;
+      if ((Start = strstr(List[I].c_str(), "/Translation-")) == NULL)
+	 continue;
+      Start += strlen("/Translation-");
+
+      if (APT::Configuration::checkLanguage(Start, true) == true)
+	 continue;
+
+      // not accepted -> Erase it
+      List.erase(List.begin() + I);
+      --I; // the next entry is at the same index after the erase
+   }
+
+   return true;
+}
+									/*}}}*/
+// DropRepeats - Drop repeated files resulting from symlinks		/*{{{*/
+// ---------------------------------------------------------------------
+/* Here we go and stat every file that we found and strip dup inodes. */
+bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
+{
+   bool couldFindAllFiles = true;
+   // Get a list of all the inodes
+   ino_t *Inodes = new ino_t[List.size()];
+   for (unsigned int I = 0; I != List.size(); ++I)
+   {
+      struct stat Buf;
+      bool found = false;
+
+      std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+      for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	   c != compressor.end(); ++c)
+      {
+	 std::string const filename = List[I] + Name + c->Extension;
+         if (stat(filename.c_str(), &Buf) != 0)
+	    continue;
+	 Inodes[I] = Buf.st_ino;
+	 found = true;
+	 break;
+      }
+
+      if (found == false)
+      {
+	 _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name);
+	 couldFindAllFiles = false;
+	 Inodes[I] = 0;
+      }
+   }
+
+   // Look for dups
+   for (unsigned int I = 0; I != List.size(); I++)
+   {
+      if (Inodes[I] == 0)
+	 continue;
+      for (unsigned int J = I+1; J < List.size(); J++)
+      {
+	 // No match
+	 if (Inodes[J] == 0 || Inodes[J] != Inodes[I])
+	    continue;
+	 
+	 // We score the two paths.. and erase one
+	 int ScoreA = Score(List[I]);
+	 int ScoreB = Score(List[J]);
+	 if (ScoreA < ScoreB)
+	 {
+	    List[I] = string();
+	    break;
+	 }
+	 
+	 List[J] = string();
+      }
+   }  
+   delete[] Inodes;
+
+   // Wipe erased entries
+   for (unsigned int I = 0; I < List.size();)
+   {
+      if (List[I].empty() == false)
+	 I++;
+      else
+	 List.erase(List.begin()+I);
+   }
+   
+   return couldFindAllFiles;
+}
+									/*}}}*/
+// ReduceSourceList - Takes the path list and reduces it		/*{{{*/
+// ---------------------------------------------------------------------
+/* This takes the list of source list expressed entries and collects
+   similar ones to form a single entry for each dist */
+void pkgCdrom::ReduceSourcelist(string /*CD*/,vector<string> &List)
+{
+   sort(List.begin(),List.end());
+   
+   // Collect similar entries
+   for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+   {
+      // Find a space..
+      string::size_type Space = (*I).find(' ');
+      if (Space == string::npos)
+	 continue;
+      string::size_type SSpace = (*I).find(' ',Space + 1);
+      if (SSpace == string::npos)
+	 continue;
+
+      string Word1 = string(*I,Space,SSpace-Space);
+      string Prefix = string(*I,0,Space);
+      string Component = string(*I,SSpace);
+      for (vector<string>::iterator J = List.begin(); J != I; ++J)
+      {
+	 // Find a space..
+	 string::size_type Space2 = (*J).find(' ');
+	 if (Space2 == string::npos)
+	    continue;
+	 string::size_type SSpace2 = (*J).find(' ',Space2 + 1);
+	 if (SSpace2 == string::npos)
+	    continue;
+	 
+	 if (string(*J,0,Space2) != Prefix)
+	    continue;
+	 if (string(*J,Space2,SSpace2-Space2) != Word1)
+	    continue;
+
+	 string Component2 = string(*J, SSpace2) + " ";
+	 if (Component2.find(Component + " ") == std::string::npos)
+	    *J += Component;
+	 I->clear();
+      }
+   }   
+
+   // Wipe erased entries
+   for (unsigned int I = 0; I < List.size();)
+   {
+      if (List[I].empty() == false)
+	 I++;
+      else
+	 List.erase(List.begin()+I);
+   }
+}
+									/*}}}*/
+// WriteDatabase - Write the CDROM Database file			/*{{{*/
+// ---------------------------------------------------------------------
+/* We rewrite the configuration class associated with the cdrom database. */
+bool pkgCdrom::WriteDatabase(Configuration &Cnf)
+{
+   string DFile = _config->FindFile("Dir::State::cdroms");
+   string NewFile = DFile + ".new";
+
+   RemoveFile("WriteDatabase", NewFile);
+   ofstream Out(NewFile.c_str());
+   if (!Out)
+      return _error->Errno("ofstream::ofstream",
+			   "Failed to open %s.new",DFile.c_str());
+   
+   /* Write out all of the configuration directives by walking the
+      configuration tree */
+   Cnf.Dump(Out, NULL, "%F \"%v\";\n", false);
+
+   Out.close();
+
+   if (FileExists(DFile) == true)
+      rename(DFile.c_str(), (DFile + '~').c_str());
+   if (rename(NewFile.c_str(),DFile.c_str()) != 0)
+      return _error->Errno("rename","Failed to rename %s.new to %s",
+			   DFile.c_str(),DFile.c_str());
+
+   return true;
+}
+									/*}}}*/
+// WriteSourceList - Write an updated sourcelist			/*{{{*/
+// ---------------------------------------------------------------------
+/* This reads the old source list and copies it into the new one. It 
+   appends the new CDROM entries just after the first block of comments.
+   This places them first in the file. It also removes any old entries
+   that were the same. */
+bool pkgCdrom::WriteSourceList(string Name,vector<string> &List,bool Source)
+{
+   if (List.empty() == true)
+      return true;
+
+   string File = _config->FindFile("Dir::Etc::sourcelist");
+
+   FileFd F(FileExists(File) ? File : "/dev/null", FileFd::ReadOnly);
+   if (not F.IsOpen() || F.Failed())
+      return _error->Errno("WriteSourceList", "Opening %s failed", File.c_str());
+
+   string NewFile = File + ".new";
+   RemoveFile("WriteSourceList", NewFile);
+   ofstream Out(NewFile.c_str());
+   if (!Out)
+      return _error->Errno("ofstream::ofstream",
+			   "Failed to open %s.new",File.c_str());
+
+   // Create a short uri without the path
+   string ShortURI = "cdrom:[" + Name + "]/";
+   string ShortURI2 = "cdrom:" + Name + "/";     // For Compatibility
+
+   string Type;
+   if (Source == true)
+      Type = "deb-src";
+   else
+      Type = "deb";
+
+   int CurLine = 0;
+   bool First = true;
+   std::string Buffer;
+   while (F.ReadLine(Buffer))
+   {
+      ++CurLine;
+      auto const Cleaned = APT::String::Strip(SubstVar(Buffer, "\t", "        "));
+
+      // Comment or blank
+      if (Cleaned.empty() || Cleaned[0] == '#')
+      {
+	 Out << Buffer << endl;
+	 continue;
+      }
+
+      if (First == true)
+      {
+	 for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+	 {
+	    string::size_type Space = (*I).find(' ');
+	    if (Space == string::npos)
+	       return _error->Error("Internal error");
+	    Out << Type << " cdrom:[" << Name << "]/" << string(*I,0,Space) <<
+	       " " << string(*I,Space+1) << endl;
+	 }
+      }
+      First = false;
+      
+      // Grok it
+      string cType;
+      string URI;
+      const char *C = Cleaned.c_str();
+      if (ParseQuoteWord(C,cType) == false ||
+	  ParseQuoteWord(C,URI) == false)
+      {
+	 Out << Buffer << endl;
+	 continue;
+      }
+
+      // Emit lines like this one
+      if (cType != Type || (string(URI,0,ShortURI.length()) != ShortURI &&
+	  string(URI,0,ShortURI.length()) != ShortURI2))
+      {
+	 Out << Buffer << endl;
+	 continue;
+      }      
+   }
+   
+   // Just in case the file was empty
+   if (First == true)
+   {
+      for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+      {
+	 string::size_type Space = (*I).find(' ');
+	 if (Space == string::npos)
+	    return _error->Error("Internal error");
+	 
+	 Out << "deb cdrom:[" << Name << "]/" << string(*I,0,Space) << 
+	    " " << string(*I,Space+1) << endl;
+      }
+   }
+   
+   Out.close();
+
+   rename(File.c_str(), (File + '~').c_str());
+   if (rename(NewFile.c_str(),File.c_str()) != 0)
+      return _error->Errno("rename","Failed to rename %s.new to %s",
+			   File.c_str(),File.c_str());
+   
+   return true;
+}
+									/*}}}*/
+bool pkgCdrom::UnmountCDROM(std::string const &CDROM, pkgCdromStatus * const log)/*{{{*/
+{
+   if (_config->FindB("APT::CDROM::NoMount",false) == true)
+      return true;
+   if (log != NULL)
+      log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST);
+   return UnmountCdrom(CDROM);
+}
+									/*}}}*/
+bool pkgCdrom::MountAndIdentCDROM(Configuration &Database, std::string &CDROM, std::string &ident, pkgCdromStatus * const log, bool const interactive)/*{{{*/
+{
+   // Startup
+   CDROM = _config->FindDir("Acquire::cdrom::mount");
+   if (CDROM[0] == '.')
+      CDROM= SafeGetCWD() + '/' + CDROM;
+
+   if (log != NULL)
+   {
+      string msg;
+      log->SetTotal(STEP_LAST);
+      strprintf(msg, _("Using CD-ROM mount point %s\n"), CDROM.c_str());
+      log->Update(msg, STEP_PREPARE);
+   }
+
+   // Unmount the CD and get the user to put in the one they want
+   if (_config->FindB("APT::CDROM::NoMount", false) == false)
+   {
+      if (interactive == true)
+      {
+	 UnmountCDROM(CDROM, log);
+
+	 if(log != NULL)
+	 {
+	    log->Update(_("Waiting for disc...\n"), STEP_WAIT);
+	    if(!log->ChangeCdrom()) {
+	       // user aborted
+	       return false;
+	    }
+	 }
+      }
+
+      // Mount the new CDROM
+      if(log != NULL)
+	 log->Update(_("Mounting CD-ROM...\n"), STEP_MOUNT);
+
+      if (MountCdrom(CDROM) == false)
+	 return _error->Error("Failed to mount the cdrom.");
+   }
+
+   if (IsMounted(CDROM) == false)
+      return _error->Error("Failed to mount the cdrom.");
+
+   // Hash the CD to get an ID
+   if (log != NULL)
+      log->Update(_("Identifying... "), STEP_IDENT);
+
+   if (IdentCdrom(CDROM,ident) == false)
+   {
+      ident = "";
+      if (log != NULL)
+	 log->Update("\n");
+      UnmountCDROM(CDROM, NULL);
+      return false;
+   }
+
+   if (log != NULL)
+   {
+      string msg;
+      strprintf(msg, "[%s]\n", ident.c_str());
+      log->Update(msg);
+   }
+
+   // Read the database
+   string DFile = _config->FindFile("Dir::State::cdroms");
+   if (FileExists(DFile) == true)
+   {
+      if (ReadConfigFile(Database,DFile) == false)
+      {
+	 UnmountCDROM(CDROM, NULL);
+	 return _error->Error("Unable to read the cdrom database %s",
+			      DFile.c_str());
+      }
+   }
+   return true;
+}
+									/*}}}*/
+bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log)		/*{{{*/
+{
+   Configuration Database;
+   std::string CDROM;
+   if (MountAndIdentCDROM(Database, CDROM, ident, log, false) == false)
+      return false;
+
+   if (log != NULL)
+   {
+      string msg;
+      strprintf(msg, _("Stored label: %s\n"),
+	    Database.Find("CD::"+ident).c_str());
+      log->Update(msg);
+   }
+
+   // Unmount and finish
+   UnmountCDROM(CDROM, log);
+   return true;
+}
+									/*}}}*/
+bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
+{
+   Configuration Database;
+   std::string ID, CDROM;
+   if (MountAndIdentCDROM(Database, CDROM, ID, log, true) == false)
+      return false;
+
+   if(log != NULL)
+      log->Update(_("Scanning disc for index files...\n"),STEP_SCAN);
+
+   // Get the CD structure
+   vector<string> List;
+   vector<string> SourceList;
+   vector<string> SigList;
+   vector<string> TransList;
+   string StartDir = SafeGetCWD();
+   string InfoDir;
+   if (FindPackages(CDROM,List,SourceList, SigList,TransList,InfoDir,log) == false)
+   {
+      if (log != NULL)
+	 log->Update("\n");
+      UnmountCDROM(CDROM, NULL);
+      return false;
+   }
+
+   if (chdir(StartDir.c_str()) != 0)
+   {
+      UnmountCDROM(CDROM, NULL);
+      return _error->Errno("chdir","Unable to change to %s", StartDir.c_str());
+   }
+
+   if (_config->FindB("Debug::aptcdrom",false) == true)
+   {
+      cout << "I found (binary):" << endl;
+      for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+	 cout << *I << endl;
+      cout << "I found (source):" << endl;
+      for (vector<string>::iterator I = SourceList.begin(); I != SourceList.end(); ++I)
+	 cout << *I << endl;
+      cout << "I found (Signatures):" << endl;
+      for (vector<string>::iterator I = SigList.begin(); I != SigList.end(); ++I)
+	 cout << *I << endl;
+   }   
+
+   //log->Update(_("Cleaning package lists..."), STEP_CLEAN);
+
+   // Fix up the list
+   DropBinaryArch(List);
+   DropRepeats(List,"Packages");
+   DropRepeats(SourceList,"Sources");
+   // FIXME: We ignore stat() errors here as we usually have only one of those in use
+   // This has little potential to drop 'valid' stat() errors as we know that one of these
+   // files need to exist, but it would be better if we would check it here
+   _error->PushToStack();
+   DropRepeats(SigList,"Release.gpg");
+   DropRepeats(SigList,"InRelease");
+   _error->RevertToStack();
+   DropRepeats(TransList,"");
+   if (_config->FindB("APT::CDROM::DropTranslation", true) == true)
+      DropTranslation(TransList);
+   if(log != NULL) {
+      string msg;
+      strprintf(msg, _("Found %zu package indexes, %zu source indexes, "
+		      "%zu translation indexes and %zu signatures\n"), 
+	       List.size(), SourceList.size(), TransList.size(),
+	       SigList.size());
+      log->Update(msg, STEP_SCAN);
+   }
+
+   if (List.empty() == true && SourceList.empty() == true) 
+   {
+      UnmountCDROM(CDROM, NULL);
+      return _error->Error(_("Unable to locate any package files, perhaps this is not a Debian Disc or the wrong architecture?"));
+   }
+
+   // Check if the CD is in the database
+   string Name;
+   if (Database.Exists("CD::" + ID) == false ||
+       _config->FindB("APT::CDROM::Rename",false) == true)
+   {
+      // Try to use the CDs label if at all possible
+      if (InfoDir.empty() == false &&
+	  FileExists(InfoDir + "/info") == true)
+      {
+	 ifstream F((InfoDir + "/info").c_str());
+	 if (F.good() == true)
+	    getline(F,Name);
+
+	 if (Name.empty() == false)
+	 {
+	    // Escape special characters
+	    string::iterator J = Name.begin();
+	    for (; J != Name.end(); ++J)
+	       if (*J == '"' || *J == ']' || *J == '[')
+		  *J = '_';
+	    
+	    if(log != NULL)
+	    {
+	       string msg;
+	       strprintf(msg, _("Found label '%s'\n"), Name.c_str());
+	       log->Update(msg);
+	    }
+	    Database.Set("CD::" + ID + "::Label",Name);
+	 }	 
+      }
+      
+      if (_config->FindB("APT::CDROM::Rename",false) == true ||
+	  Name.empty() == true)
+      {
+	 if(log == NULL) 
+         {
+	    UnmountCDROM(CDROM, NULL);
+	    return _error->Error("No disc name found and no way to ask for it");
+	 }
+
+	 while(true) {
+	    if(!log->AskCdromName(Name)) {
+	       // user canceld
+	       UnmountCDROM(CDROM, NULL);
+	       return false; 
+	    }
+	    cout << "Name: '" << Name << "'" << endl;
+
+	    if (Name.empty() == false &&
+		Name.find('"') == string::npos &&
+		Name.find('[') == string::npos &&
+		Name.find(']') == string::npos)
+	       break;
+	    log->Update(_("That is not a valid name, try again.\n"));
+	 }
+      }      
+   }
+   else
+      Name = Database.Find("CD::" + ID);
+
+   // Escape special characters
+   string::iterator J = Name.begin();
+   for (; J != Name.end(); ++J)
+      if (*J == '"' || *J == ']' || *J == '[')
+	 *J = '_';
+   
+   Database.Set("CD::" + ID,Name);
+   if(log != NULL)
+   {
+      string msg;
+      strprintf(msg, _("This disc is called: \n'%s'\n"), Name.c_str());
+      log->Update(msg);
+      log->Update(_("Copying package lists..."), STEP_COPY);
+   }
+
+   // check for existence and possibly create state directory for copying
+   string const listDir = _config->FindDir("Dir::State::lists");
+   string const partialListDir = listDir + "partial/";
+   mode_t const mode = umask(S_IWGRP | S_IWOTH);
+   bool const creation_fail = (CreateAPTDirectoryIfNeeded(_config->FindDir("Dir::State"), partialListDir) == false &&
+	 CreateAPTDirectoryIfNeeded(listDir, partialListDir) == false);
+   umask(mode);
+   if (creation_fail == true)
+   {
+      UnmountCDROM(CDROM, NULL);
+      return _error->Errno("cdrom", _("List directory %s is missing."), (listDir + "partial").c_str());
+   }
+
+   // take care of the signatures and copy them if they are ok
+   // (we do this before PackageCopy as it modifies "List" and "SourceList")
+   SigVerify SignVerify;
+   SignVerify.CopyAndVerify(CDROM, Name, SigList, List, SourceList);
+   
+   // Copy the package files to the state directory
+   PackageCopy Copy;
+   SourceCopy SrcCopy;
+   TranslationsCopy TransCopy;
+   if (Copy.CopyPackages(CDROM,Name,List, log) == false ||
+       SrcCopy.CopyPackages(CDROM,Name,SourceList, log) == false ||
+       TransCopy.CopyTranslations(CDROM,Name,TransList, log) == false)
+   {
+      UnmountCDROM(CDROM, NULL);
+      return false;
+   }
+
+   // reduce the List so that it takes less space in sources.list
+   ReduceSourcelist(CDROM,List);
+   ReduceSourcelist(CDROM,SourceList);
+
+   // Write the database and sourcelist
+   if (_config->FindB("APT::cdrom::NoAct",false) == false)
+   {
+      if (WriteDatabase(Database) == false)
+      {
+	 UnmountCDROM(CDROM, NULL);
+	 return false;
+      }
+
+      if(log != NULL)
+	 log->Update(_("Writing new source list\n"), STEP_WRITE);
+      if (WriteSourceList(Name,List,false) == false ||
+	  WriteSourceList(Name,SourceList,true) == false)
+      {
+	 UnmountCDROM(CDROM, NULL);
+	 return false;
+      }
+   }
+
+   // Print the sourcelist entries
+   if(log != NULL)
+      log->Update(_("Source list entries for this disc are:\n"));
+
+   for (vector<string>::iterator I = List.begin(); I != List.end(); ++I)
+   {
+      string::size_type Space = (*I).find(' ');
+      if (Space == string::npos)
+      {
+	 UnmountCDROM(CDROM, NULL);
+	 return _error->Error("Internal error");
+      }
+
+      if(log != NULL)
+      {
+	 stringstream msg;
+	 msg << "deb cdrom:[" << Name << "]/" << string(*I,0,Space) << 
+	    " " << string(*I,Space+1) << endl;
+	 log->Update(msg.str());
+      }
+   }
+
+   for (vector<string>::iterator I = SourceList.begin(); I != SourceList.end(); ++I)
+   {
+      string::size_type Space = (*I).find(' ');
+      if (Space == string::npos)
+      {
+	 UnmountCDROM(CDROM, NULL);
+	 return _error->Error("Internal error");
+      }
+
+      if(log != NULL) {
+	 stringstream msg;
+	 msg << "deb-src cdrom:[" << Name << "]/" << string(*I,0,Space) << 
+	    " " << string(*I,Space+1) << endl;
+	 log->Update(msg.str());
+      }
+   }
+
+   // Unmount and finish
+   UnmountCDROM(CDROM, log);
+   return true;
+}
+									/*}}}*/
+
+pkgUdevCdromDevices::pkgUdevCdromDevices() /*{{{*/
+    : d(NULL)
+{
+}
+									/*}}}*/
+// convenience interface, this will just call ScanForRemovable		/*{{{*/
+vector<CdromDevice> pkgUdevCdromDevices::Scan()
+{
+   bool CdromOnly = _config->FindB("APT::cdrom::CdromOnly", true);
+   return ScanForRemovable(CdromOnly);
+}
+									/*}}}*/
+vector<CdromDevice> pkgUdevCdromDevices::ScanForRemovable(bool CdromOnly)/*{{{*/
+{
+   vector<CdromDevice> cdrom_devices;
+#ifdef HAVE_UDEV
+   struct udev_enumerate *enumerate;
+   struct udev_list_entry *l, *devices;
+   struct udev *udev_ctx;
+
+   udev_ctx = udev_new();
+   enumerate = udev_enumerate_new (udev_ctx);
+   if (CdromOnly)
+      udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1");
+   else {
+      udev_enumerate_add_match_sysattr(enumerate, "removable", "1");
+   }
+
+   udev_enumerate_scan_devices (enumerate);
+   devices = udev_enumerate_get_list_entry (enumerate);
+   for (l = devices; l != NULL; l = udev_list_entry_get_next (l))
+   {
+      CdromDevice cdrom;
+      struct udev_device *udevice;
+      udevice = udev_device_new_from_syspath (udev_enumerate_get_udev (enumerate), udev_list_entry_get_name (l));
+      if (udevice == NULL)
+	 continue;
+      const char* devnode = udev_device_get_devnode(udevice);
+
+      // try fstab_dir first
+      string mountpath;
+      const char* mp = udev_device_get_property_value(udevice, "FSTAB_DIR");
+      if (mp)
+         mountpath = string(mp);
+      else
+         mountpath = FindMountPointForDevice(devnode);
+
+      // fill in the struct
+      cdrom.DeviceName = string(devnode);
+      if (mountpath != "") {
+	 cdrom.MountPath = mountpath;
+	 string s = mountpath;
+	 cdrom.Mounted = IsMounted(s);
+      } else {
+	 cdrom.Mounted = false;
+	 cdrom.MountPath = "";
+      }
+      cdrom_devices.push_back(cdrom);
+   }
+#endif
+   return cdrom_devices;
+}
+									/*}}}*/
+
+pkgUdevCdromDevices::~pkgUdevCdromDevices()                             /*{{{*/
+{ 
+}
+									/*}}}*/
+
+pkgCdromStatus::pkgCdromStatus() : d(NULL), totalSteps(0) {}
+pkgCdromStatus::~pkgCdromStatus() {}
+
+pkgCdrom::pkgCdrom() : d(NULL) {}
+pkgCdrom::~pkgCdrom() {}