fix -Wall errors

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

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 5ddcd47e99d908f0a8374e17f6e49124d9fecba6..34ae4e593252fd486c0b6859fe6c57605b889f50 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -8,6 +8,8 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Includes                                                            /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Includes                                                            /*{{{*/

+#include <config.h>
+

 #include <apt-pkg/dpkgpm.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/dpkgpm.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>


@@ -16,6 +18,7 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/cachefile.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/cachefile.h>

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

 
 #include <unistd.h>
 #include <stdlib.h>
 
 #include <unistd.h>
 #include <stdlib.h>


@@ -32,18 +35,36 @@
 #include <algorithm>
 #include <sstream>
 #include <map>
 #include <algorithm>
 #include <sstream>
 #include <map>

+#include <pwd.h>
+#include <grp.h>

 
 #include <termios.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <pty.h>
 
 
 #include <termios.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <pty.h>
 

-#include <config.h>

 #include <apti18n.h>
                                                                        /*}}}*/
 
 using namespace std;
 
 #include <apti18n.h>
                                                                        /*}}}*/
 
 using namespace std;
 

+class pkgDPkgPMPrivate 
+{
+public:
+   pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0),
+                       term_out(NULL), history_out(NULL)
+   {
+      dpkgbuf[0] = '\0';
+   }
+   bool stdin_is_dev_null;
+   // the buffer we use for the dpkg status-fd reading
+   char dpkgbuf[1024];
+   int dpkgbuf_pos;
+   FILE *term_out;
+   FILE *history_out;
+   string dpkg_error;
+};
+

 namespace
 {
   // Maps the dpkg "processing" info to human readable names.  Entry 0
 namespace
 {
   // Maps the dpkg "processing" info to human readable names.  Entry 0


@@ -89,7 +110,7 @@ ionice(int PID)
 {
    if (!FileExists("/usr/bin/ionice"))
       return false;
 {
    if (!FileExists("/usr/bin/ionice"))
       return false;

-   pid_t Process = ExecFork();      
+   pid_t Process = ExecFork();

    if (Process == 0)
    {
       char buf[32];
    if (Process == 0)
    {
       char buf[32];


@@ -104,13 +125,54 @@ ionice(int PID)
    return ExecWait(Process, "ionice");
 }
 
    return ExecWait(Process, "ionice");
 }
 

+// dpkgChrootDirectory - chrooting for dpkg if needed                  /*{{{*/
+static void dpkgChrootDirectory()
+{
+   std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+   if (chrootDir == "/")
+      return;
+   std::cerr << "Chrooting into " << chrootDir << std::endl;
+   if (chroot(chrootDir.c_str()) != 0)
+      _exit(100);
+   if (chdir("/") != 0)
+      _exit(100);
+}
+                                                                       /*}}}*/
+
+
+// FindNowVersion - Helper to find a Version in "now" state    /*{{{*/
+// ---------------------------------------------------------------------
+/* This is helpful when a package is no longer installed but has residual 
+ * config files
+ */
+static 
+pkgCache::VerIterator FindNowVersion(const pkgCache::PkgIterator &Pkg)
+{
+   pkgCache::VerIterator Ver;
+   for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+   {
+      pkgCache::VerFileIterator Vf = Ver.FileList();
+      pkgCache::PkgFileIterator F = Vf.File();
+      for (F = Vf.File(); F.end() == false; ++F)
+      {
+         if (F && F.Archive())
+         {
+            if (strcmp(F.Archive(), "now")) 
+               return Ver;
+         }
+      }
+   }
+   return Ver;
+}
+                                                                       /*}}}*/
+

 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) 
 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) 

-   : pkgPackageManager(Cache), dpkgbuf_pos(0),
-     term_out(NULL), history_out(NULL), PackagesDone(0), PackagesTotal(0)
+   : pkgPackageManager(Cache), PackagesDone(0), PackagesTotal(0)

 {
 {

+   d = new pkgDPkgPMPrivate();

 }
                                                                        /*}}}*/
 // DPkgPM::pkgDPkgPM - Destructor                                      /*{{{*/
 }
                                                                        /*}}}*/
 // DPkgPM::pkgDPkgPM - Destructor                                      /*{{{*/


@@ -118,6 +180,7 @@ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache)
 /* */
 pkgDPkgPM::~pkgDPkgPM()
 {
 /* */
 pkgDPkgPM::~pkgDPkgPM()
 {

+   delete d;

 }
                                                                        /*}}}*/
 // DPkgPM::Install - Install a package                                 /*{{{*/
 }
                                                                        /*}}}*/
 // DPkgPM::Install - Install a package                                 /*{{{*/


@@ -126,7 +189,7 @@ pkgDPkgPM::~pkgDPkgPM()
 bool pkgDPkgPM::Install(PkgIterator Pkg,string File)
 {
    if (File.empty() == true || Pkg.end() == true)
 bool pkgDPkgPM::Install(PkgIterator Pkg,string File)
 {
    if (File.empty() == true || Pkg.end() == true)

-      return _error->Error("Internal Error, No file name for %s",Pkg.Name());
+      return _error->Error("Internal Error, No file name for %s",Pkg.FullName().c_str());

 
    // If the filename string begins with DPkg::Chroot-Directory, return the
    // substr that is within the chroot so dpkg can access it.
 
    // If the filename string begins with DPkg::Chroot-Directory, return the
    // substr that is within the chroot so dpkg can access it.


@@ -177,15 +240,23 @@ bool pkgDPkgPM::Remove(PkgIterator Pkg,bool Purge)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// DPkgPM::SendV2Pkgs - Send version 2 package info                    /*{{{*/
+// DPkgPM::SendPkgInfo - Send info for install-pkgs hook               /*{{{*/

 // ---------------------------------------------------------------------
 /* This is part of the helper script communication interface, it sends
    very complete information down to the other end of the pipe.*/
 bool pkgDPkgPM::SendV2Pkgs(FILE *F)
 {
 // ---------------------------------------------------------------------
 /* This is part of the helper script communication interface, it sends
    very complete information down to the other end of the pipe.*/
 bool pkgDPkgPM::SendV2Pkgs(FILE *F)
 {

-   fprintf(F,"VERSION 2\n");
-   
-   /* Write out all of the configuration directives by walking the 
+   return SendPkgsInfo(F, 2);
+}
+bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version)
+{
+   // This version of APT supports only v3, so don't sent higher versions
+   if (Version <= 3)
+      fprintf(F,"VERSION %u\n", Version);
+   else
+      fprintf(F,"VERSION 3\n");
+
+   /* Write out all of the configuration directives by walking the

       configuration tree */
    const Configuration::Item *Top = _config->Tree(0);
    for (; Top != 0;)
       configuration tree */
    const Configuration::Item *Top = _config->Tree(0);
    for (; Top != 0;)


@@ -211,7 +282,7 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F)
    fprintf(F,"\n");
  
    // Write out the package actions in order.
    fprintf(F,"\n");
  
    // Write out the package actions in order.

-   for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+   for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)

    {
       if(I->Pkg.end() == true)
         continue;
    {
       if(I->Pkg.end() == true)
         continue;


@@ -219,30 +290,51 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F)
       pkgDepCache::StateCache &S = Cache[I->Pkg];
       
       fprintf(F,"%s ",I->Pkg.Name());
       pkgDepCache::StateCache &S = Cache[I->Pkg];
       
       fprintf(F,"%s ",I->Pkg.Name());

-      // Current version
-      if (I->Pkg->CurrentVer == 0)
-        fprintf(F,"- ");
+
+      // Current version which we are going to replace
+      pkgCache::VerIterator CurVer = I->Pkg.CurrentVer();
+      if (CurVer.end() == true && (I->Op == Item::Remove || I->Op == Item::Purge))
+        CurVer = FindNowVersion(I->Pkg);
+
+      if (CurVer.end() == true)
+      {
+        if (Version <= 2)
+           fprintf(F, "- ");
+        else
+           fprintf(F, "- - none ");
+      }

       else
       else

-        fprintf(F,"%s ",I->Pkg.CurrentVer().VerStr());
-      
-      // Show the compare operator
-      // Target version
+      {
+        fprintf(F, "%s ", CurVer.VerStr());
+        if (Version >= 3)
+           fprintf(F, "%s %s ", CurVer.Arch(), CurVer.MultiArchType());
+      }
+
+      // Show the compare operator between current and install version

       if (S.InstallVer != 0)
       {
       if (S.InstallVer != 0)
       {

+        pkgCache::VerIterator const InstVer = S.InstVerIter(Cache);

         int Comp = 2;
         int Comp = 2;

-        if (I->Pkg->CurrentVer != 0)
-           Comp = S.InstVerIter(Cache).CompareVer(I->Pkg.CurrentVer());
+        if (CurVer.end() == false)
+           Comp = InstVer.CompareVer(CurVer);

         if (Comp < 0)
            fprintf(F,"> ");
         if (Comp < 0)
            fprintf(F,"> ");

-        if (Comp == 0)
+        else if (Comp == 0)

            fprintf(F,"= ");
            fprintf(F,"= ");

-        if (Comp > 0)
+        else if (Comp > 0)

            fprintf(F,"< ");
            fprintf(F,"< ");

-        fprintf(F,"%s ",S.InstVerIter(Cache).VerStr());
+        fprintf(F, "%s ", InstVer.VerStr());
+        if (Version >= 3)
+           fprintf(F, "%s %s ", InstVer.Arch(), InstVer.MultiArchType());

       }
       else
       }
       else

-        fprintf(F,"> - ");
-      
+      {
+        if (Version <= 2)
+           fprintf(F, "> - ");
+        else
+           fprintf(F, "> - - none ");
+      }
+

       // Show the filename/operation
       if (I->Op == Item::Install)
       {
       // Show the filename/operation
       if (I->Op == Item::Install)
       {


@@ -252,9 +344,9 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F)
         else
            fprintf(F,"%s\n",I->File.c_str());
       }      
         else
            fprintf(F,"%s\n",I->File.c_str());
       }      

-      if (I->Op == Item::Configure)
+      else if (I->Op == Item::Configure)

         fprintf(F,"**CONFIGURE**\n");
         fprintf(F,"**CONFIGURE**\n");

-      if (I->Op == Item::Remove ||
+      else if (I->Op == Item::Remove ||

          I->Op == Item::Purge)
         fprintf(F,"**REMOVE**\n");
       
          I->Op == Item::Purge)
         fprintf(F,"**REMOVE**\n");
       


@@ -308,15 +400,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
         SetCloseExec(STDIN_FILENO,false);      
         SetCloseExec(STDERR_FILENO,false);
 
         SetCloseExec(STDIN_FILENO,false);      
         SetCloseExec(STDERR_FILENO,false);
 

-        if (_config->FindDir("DPkg::Chroot-Directory","/") != "/") 
-        {
-           std::cerr << "Chrooting into " 
-                     << _config->FindDir("DPkg::Chroot-Directory") 
-                     << std::endl;
-           if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
-              _exit(100);
-        }
-
+        dpkgChrootDirectory();

         const char *Args[4];
         Args[0] = "/bin/sh";
         Args[1] = "-c";
         const char *Args[4];
         Args[0] = "/bin/sh";
         Args[1] = "-c";


@@ -333,7 +417,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       // Feed it the filenames.
       if (Version <= 1)
       {
       // Feed it the filenames.
       if (Version <= 1)
       {

-        for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+        for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)

         {
            // Only deal with packages to be installed from .deb
            if (I->Op != Item::Install)
         {
            // Only deal with packages to be installed from .deb
            if (I->Op != Item::Install)


@@ -351,7 +435,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
         }
       }
       else
         }
       }
       else

-        SendV2Pkgs(F);
+        SendPkgsInfo(F, Version);

 
       fclose(F);
       
 
       fclose(F);
       


@@ -372,9 +456,9 @@ void pkgDPkgPM::DoStdin(int master)
    unsigned char input_buf[256] = {0,}; 
    ssize_t len = read(0, input_buf, sizeof(input_buf));
    if (len)
    unsigned char input_buf[256] = {0,}; 
    ssize_t len = read(0, input_buf, sizeof(input_buf));
    if (len)

-      write(master, input_buf, len);
+      FileFd::Write(master, input_buf, len);

    else
    else

-      stdin_is_dev_null = true;
+      d->stdin_is_dev_null = true;

 }
                                                                        /*}}}*/
 // DPkgPM::DoTerminalPty - Read the terminal pty and write log         /*{{{*/
 }
                                                                        /*}}}*/
 // DPkgPM::DoTerminalPty - Read the terminal pty and write log         /*{{{*/


@@ -398,9 +482,9 @@ void pkgDPkgPM::DoTerminalPty(int master)
    }  
    if(len <= 0) 
       return;
    }  
    if(len <= 0) 
       return;

-   write(1, term_buf, len);
-   if(term_out)
-      fwrite(term_buf, len, sizeof(char), term_out);
+   FileFd::Write(1, term_buf, len);
+   if(d->term_out)
+      fwrite(term_buf, len, sizeof(char), d->term_out);

 }
                                                                        /*}}}*/
 // DPkgPM::ProcessDpkgStatusBuf                                                /*{{{*/
 }
                                                                        /*}}}*/
 // DPkgPM::ProcessDpkgStatusBuf                                                /*{{{*/


@@ -473,7 +557,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
             << ":" << s
             << endl;
       if(OutStatusFd > 0)
             << ":" << s
             << endl;
       if(OutStatusFd > 0)

-        write(OutStatusFd, status.str().c_str(), status.str().size());
+        FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());

       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
 
       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
 


@@ -497,7 +581,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
             << ":" << list[3]
             << endl;
       if(OutStatusFd > 0)
             << ":" << list[3]
             << endl;
       if(OutStatusFd > 0)

-        write(OutStatusFd, status.str().c_str(), status.str().size());
+        FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());

       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
       pkgFailures++;
       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
       pkgFailures++;


@@ -511,7 +595,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
             << ":" << list[3]
             << endl;
       if(OutStatusFd > 0)
             << ":" << list[3]
             << endl;
       if(OutStatusFd > 0)

-        write(OutStatusFd, status.str().c_str(), status.str().size());
+        FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());

       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
       return;
       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
       return;


@@ -539,7 +623,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
             << ":" << s
             << endl;
       if(OutStatusFd > 0)
             << ":" << s
             << endl;
       if(OutStatusFd > 0)

-        write(OutStatusFd, status.str().c_str(), status.str().size());
+        FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());

       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
    }
       if (Debug == true)
         std::clog << "send: '" << status.str() << "'" << endl;
    }


@@ -604,14 +688,14 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
    char *p, *q;
    int len;
 
    char *p, *q;
    int len;
 

-   len=read(statusfd, &dpkgbuf[dpkgbuf_pos], sizeof(dpkgbuf)-dpkgbuf_pos);
-   dpkgbuf_pos += len;
+   len=read(statusfd, &d->dpkgbuf[d->dpkgbuf_pos], sizeof(d->dpkgbuf)-d->dpkgbuf_pos);
+   d->dpkgbuf_pos += len;

    if(len <= 0)
       return;
 
    // process line by line if we have a buffer
    if(len <= 0)
       return;
 
    // process line by line if we have a buffer

-   p = q = dpkgbuf;
-   while((q=(char*)memchr(p, '\n', dpkgbuf+dpkgbuf_pos-p)) != NULL)
+   p = q = d->dpkgbuf;
+   while((q=(char*)memchr(p, '\n', d->dpkgbuf+d->dpkgbuf_pos-p)) != NULL)

    {
       *q = 0;
       ProcessDpkgStatusLine(OutStatusFd, p);
    {
       *q = 0;
       ProcessDpkgStatusLine(OutStatusFd, p);


@@ -619,8 +703,8 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
    }
 
    // now move the unprocessed bits (after the final \n that is now a 0x0) 
    }
 
    // now move the unprocessed bits (after the final \n that is now a 0x0) 

-   // to the start and update dpkgbuf_pos
-   p = (char*)memrchr(dpkgbuf, 0, dpkgbuf_pos);
+   // to the start and update d->dpkgbuf_pos
+   p = (char*)memrchr(d->dpkgbuf, 0, d->dpkgbuf_pos);

    if(p == NULL)
       return;
 
    if(p == NULL)
       return;
 


@@ -628,8 +712,8 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
    p++;
 
    // move the unprocessed tail to the start and update pos
    p++;
 
    // move the unprocessed tail to the start and update pos

-   memmove(dpkgbuf, p, p-dpkgbuf);
-   dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p;
+   memmove(d->dpkgbuf, p, p-d->dpkgbuf);
+   d->dpkgbuf_pos = d->dpkgbuf+d->dpkgbuf_pos-p;

 }
                                                                        /*}}}*/
 // DPkgPM::WriteHistoryTag                                             /*{{{*/
 }
                                                                        /*}}}*/
 // DPkgPM::WriteHistoryTag                                             /*{{{*/


@@ -641,7 +725,7 @@ void pkgDPkgPM::WriteHistoryTag(string const &tag, string value)
    // poor mans rstrip(", ")
    if (value[length-2] == ',' && value[length-1] == ' ')
       value.erase(length - 2, 2);
    // poor mans rstrip(", ")
    if (value[length-2] == ',' && value[length-1] == ' ')
       value.erase(length - 2, 2);

-   fprintf(history_out, "%s: %s\n", tag.c_str(), value.c_str());
+   fprintf(d->history_out, "%s: %s\n", tag.c_str(), value.c_str());

 }                                                                      /*}}}*/
 // DPkgPM::OpenLog                                                     /*{{{*/
 bool pkgDPkgPM::OpenLog()
 }                                                                      /*}}}*/
 // DPkgPM::OpenLog                                                     /*{{{*/
 bool pkgDPkgPM::OpenLog()


@@ -662,13 +746,20 @@ bool pkgDPkgPM::OpenLog()
                                   _config->Find("Dir::Log::Terminal"));
    if (!logfile_name.empty())
    {
                                   _config->Find("Dir::Log::Terminal"));
    if (!logfile_name.empty())
    {

-      term_out = fopen(logfile_name.c_str(),"a");
-      if (term_out == NULL)
+      d->term_out = fopen(logfile_name.c_str(),"a");
+      if (d->term_out == NULL)

         return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str());
         return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str());

-      setvbuf(term_out, NULL, _IONBF, 0);
-      SetCloseExec(fileno(term_out), true);
-      chmod(logfile_name.c_str(), 0600);
-      fprintf(term_out, "\nLog started: %s\n", timestr);
+      setvbuf(d->term_out, NULL, _IONBF, 0);
+      SetCloseExec(fileno(d->term_out), true);
+      struct passwd *pw;
+      struct group *gr;
+      pw = getpwnam("root");
+      gr = getgrnam("adm");
+      if (pw != NULL && gr != NULL)
+         if(chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid) != 0)
+            _error->Errno("OpenLog", "chown failed");
+      chmod(logfile_name.c_str(), 0640);
+      fprintf(d->term_out, "\nLog started: %s\n", timestr);

    }
 
    // write your history
    }
 
    // write your history


@@ -676,13 +767,14 @@ bool pkgDPkgPM::OpenLog()
                                   _config->Find("Dir::Log::History"));
    if (!history_name.empty())
    {
                                   _config->Find("Dir::Log::History"));
    if (!history_name.empty())
    {

-      history_out = fopen(history_name.c_str(),"a");
-      if (history_out == NULL)
+      d->history_out = fopen(history_name.c_str(),"a");
+      if (d->history_out == NULL)

         return _error->WarningE("OpenLog", _("Could not open file '%s'"), history_name.c_str());
         return _error->WarningE("OpenLog", _("Could not open file '%s'"), history_name.c_str());

+      SetCloseExec(fileno(d->history_out), true);

       chmod(history_name.c_str(), 0644);
       chmod(history_name.c_str(), 0644);

-      fprintf(history_out, "\nStart-Date: %s\n", timestr);
+      fprintf(d->history_out, "\nStart-Date: %s\n", timestr);

       string remove, purge, install, reinstall, upgrade, downgrade;
       string remove, purge, install, reinstall, upgrade, downgrade;

-      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
+      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)

       {
         enum { CANDIDATE, CANDIDATE_AUTO, CURRENT_CANDIDATE, CURRENT } infostring;
         string *line = NULL;
       {
         enum { CANDIDATE, CANDIDATE_AUTO, CURRENT_CANDIDATE, CURRENT } infostring;
         string *line = NULL;


@@ -721,7 +813,7 @@ bool pkgDPkgPM::OpenLog()
       WriteHistoryTag("Downgrade",downgrade);
       WriteHistoryTag("Remove",remove);
       WriteHistoryTag("Purge",purge);
       WriteHistoryTag("Downgrade",downgrade);
       WriteHistoryTag("Remove",remove);
       WriteHistoryTag("Purge",purge);

-      fflush(history_out);
+      fflush(d->history_out);

    }
    
    return true;
    }
    
    return true;


@@ -735,16 +827,16 @@ bool pkgDPkgPM::CloseLog()
    struct tm *tmp = localtime(&t);
    strftime(timestr, sizeof(timestr), "%F  %T", tmp);
 
    struct tm *tmp = localtime(&t);
    strftime(timestr, sizeof(timestr), "%F  %T", tmp);
 

-   if(term_out)
+   if(d->term_out)

    {
    {

-      fprintf(term_out, "Log ended: ");
-      fprintf(term_out, "%s", timestr);
-      fprintf(term_out, "\n");
-      fclose(term_out);
+      fprintf(d->term_out, "Log ended: ");
+      fprintf(d->term_out, "%s", timestr);
+      fprintf(d->term_out, "\n");
+      fclose(d->term_out);

    }
    }

-   term_out = NULL;
+   d->term_out = NULL;

 
 

-   if(history_out)
+   if(d->history_out)

    {
       if (disappearedPkgs.empty() == false)
       {
    {
       if (disappearedPkgs.empty() == false)
       {


@@ -761,12 +853,12 @@ bool pkgDPkgPM::CloseLog()
         }
         WriteHistoryTag("Disappeared", disappear);
       }
         }
         WriteHistoryTag("Disappeared", disappear);
       }

-      if (dpkg_error.empty() == false)
-        fprintf(history_out, "Error: %s\n", dpkg_error.c_str());
-      fprintf(history_out, "End-Date: %s\n", timestr);
-      fclose(history_out);
+      if (d->dpkg_error.empty() == false)
+        fprintf(d->history_out, "Error: %s\n", d->dpkg_error.c_str());
+      fprintf(d->history_out, "End-Date: %s\n", timestr);
+      fclose(d->history_out);

    }
    }

-   history_out = NULL;
+   d->history_out = NULL;

 
    return true;
 }
 
    return true;
 }


@@ -803,6 +895,58 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds,
 */
 bool pkgDPkgPM::Go(int OutStatusFd)
 {
 */
 bool pkgDPkgPM::Go(int OutStatusFd)
 {

+   pkgPackageManager::SigINTStop = false;
+
+   // Generate the base argument list for dpkg
+   std::vector<const char *> Args;
+   unsigned long StartSize = 0;
+   string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+   {
+      string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
+      size_t dpkgChrootLen = dpkgChrootDir.length();
+      if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
+      {
+        if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
+           --dpkgChrootLen;
+        Tmp = Tmp.substr(dpkgChrootLen);
+      }
+   }
+   Args.push_back(Tmp.c_str());
+   StartSize += Tmp.length();
+
+   // Stick in any custom dpkg options
+   Configuration::Item const *Opts = _config->Tree("DPkg::Options");
+   if (Opts != 0)
+   {
+      Opts = Opts->Child;
+      for (; Opts != 0; Opts = Opts->Next)
+      {
+        if (Opts->Value.empty() == true)
+           continue;
+        Args.push_back(Opts->Value.c_str());
+        StartSize += Opts->Value.length();
+      }
+   }
+
+   size_t const BaseArgs = Args.size();
+   // we need to detect if we can qualify packages with the architecture or not
+   Args.push_back("--assert-multi-arch");
+   Args.push_back(NULL);
+
+   pid_t dpkgAssertMultiArch = ExecFork();
+   if (dpkgAssertMultiArch == 0)
+   {
+      dpkgChrootDirectory();
+      // redirect everything to the ultimate sink as we only need the exit-status
+      int const nullfd = open("/dev/null", O_RDONLY);
+      dup2(nullfd, STDIN_FILENO);
+      dup2(nullfd, STDOUT_FILENO);
+      dup2(nullfd, STDERR_FILENO);
+      execvp(Args[0], (char**) &Args[0]);
+      _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
+      _exit(2);
+   }
+

    fd_set rfds;
    struct timespec tv;
    sigset_t sigmask;
    fd_set rfds;
    struct timespec tv;
    sigset_t sigmask;


@@ -860,32 +1004,47 @@ bool pkgDPkgPM::Go(int OutStatusFd)
    // that will be [installed|configured|removed|purged] and add
    // them to the PackageOps map (the dpkg states it goes through)
    // and the PackageOpsTranslations (human readable strings)
    // that will be [installed|configured|removed|purged] and add
    // them to the PackageOps map (the dpkg states it goes through)
    // and the PackageOpsTranslations (human readable strings)

-   for (vector<Item>::const_iterator I = List.begin(); I != List.end();I++)
+   for (vector<Item>::const_iterator I = List.begin(); I != List.end(); ++I)

    {
       if((*I).Pkg.end() == true)
         continue;
 
       string const name = (*I).Pkg.Name();
       PackageOpsDone[name] = 0;
    {
       if((*I).Pkg.end() == true)
         continue;
 
       string const name = (*I).Pkg.Name();
       PackageOpsDone[name] = 0;

-      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL;  i++) 
+      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i)

       {
         PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
         PackagesTotal++;
       }
    }
 
       {
         PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
         PackagesTotal++;
       }
    }
 

-   stdin_is_dev_null = false;
+   d->stdin_is_dev_null = false;

 
    // create log
    OpenLog();
 
 
    // create log
    OpenLog();
 

+   bool dpkgMultiArch = false;
+   if (dpkgAssertMultiArch > 0)
+   {
+      int Status = 0;
+      while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
+      {
+        if (errno == EINTR)
+           continue;
+        _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
+        break;
+      }
+      if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
+        dpkgMultiArch = true;
+   }
+

    // this loop is runs once per operation
    for (vector<Item>::const_iterator I = List.begin(); I != List.end();)
    {
       // Do all actions with the same Op in one run
       vector<Item>::const_iterator J = I;
       if (TriggersPending == true)
    // this loop is runs once per operation
    for (vector<Item>::const_iterator I = List.begin(); I != List.end();)
    {
       // Do all actions with the same Op in one run
       vector<Item>::const_iterator J = I;
       if (TriggersPending == true)

-        for (; J != List.end(); J++)
+        for (; J != List.end(); ++J)

         {
            if (J->Op == I->Op)
               continue;
         {
            if (J->Op == I->Op)
               continue;


@@ -897,14 +1056,15 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            break;
         }
       else
            break;
         }
       else

-        for (; J != List.end() && J->Op == I->Op; J++)
+        for (; J != List.end() && J->Op == I->Op; ++J)

            /* nothing */;
 
            /* nothing */;
 

-      // Generate the argument list
-      const char *Args[MaxArgs + 50];

       // keep track of allocated strings for multiarch package names
       // keep track of allocated strings for multiarch package names

-      char *Packages[MaxArgs + 50];
-      unsigned int pkgcount = 0;
+      std::vector<char *> Packages;
+
+      // start with the baseset of arguments
+      unsigned long Size = StartSize;
+      Args.erase(Args.begin() + BaseArgs, Args.end());

 
       // Now check if we are within the MaxArgs limit
       //
 
       // Now check if we are within the MaxArgs limit
       //


@@ -912,139 +1072,145 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // the argument list is split in a way that A depends on B
       // and they are in the same "--configure A B" run
       // - with the split they may now be configured in different
       // the argument list is split in a way that A depends on B
       // and they are in the same "--configure A B" run
       // - with the split they may now be configured in different

-      //   runs 
+      //   runs, using Immediate-Configure-All can help prevent this.

       if (J - I > (signed)MaxArgs)
       if (J - I > (signed)MaxArgs)

+      {

         J = I + MaxArgs;
         J = I + MaxArgs;

-      
-      unsigned int n = 0;
-      unsigned long Size = 0;
-      string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
-      Args[n++] = Tmp.c_str();
-      Size += strlen(Args[n-1]);
-      
-      // Stick in any custom dpkg options
-      Configuration::Item const *Opts = _config->Tree("DPkg::Options");
-      if (Opts != 0)
+        unsigned long const size = MaxArgs + 10;
+        Args.reserve(size);
+        Packages.reserve(size);
+      }
+      else

       {
       {

-        Opts = Opts->Child;
-        for (; Opts != 0; Opts = Opts->Next)
-        {
-           if (Opts->Value.empty() == true)
-              continue;
-           Args[n++] = Opts->Value.c_str();
-           Size += Opts->Value.length();
-        }       
+        unsigned long const size = (J - I) + 10;
+        Args.reserve(size);
+        Packages.reserve(size);

       }
       }

-      
-      char status_fd_buf[20];
+

       int fd[2];
       int fd[2];

-      pipe(fd);
-      
-      Args[n++] = "--status-fd";
-      Size += strlen(Args[n-1]);
+      if (pipe(fd) != 0)
+        return _error->Errno("pipe","Failed to create IPC pipe to dpkg");
+
+#define ADDARG(X) Args.push_back(X); Size += strlen(X)
+#define ADDARGC(X) Args.push_back(X); Size += sizeof(X) - 1
+
+      ADDARGC("--status-fd");
+      char status_fd_buf[20];

       snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);
       snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);

-      Args[n++] = status_fd_buf;
-      Size += strlen(Args[n-1]);
+      ADDARG(status_fd_buf);
+      unsigned long const Op = I->Op;

 
       switch (I->Op)
       {
         case Item::Remove:
 
       switch (I->Op)
       {
         case Item::Remove:

-        Args[n++] = "--force-depends";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--force-remove-essential";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--remove";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--force-depends");
+        ADDARGC("--force-remove-essential");
+        ADDARGC("--remove");

         break;
         
         case Item::Purge:
         break;
         
         case Item::Purge:

-        Args[n++] = "--force-depends";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--force-remove-essential";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--purge";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--force-depends");
+        ADDARGC("--force-remove-essential");
+        ADDARGC("--purge");

         break;
         
         case Item::Configure:
         break;
         
         case Item::Configure:

-        Args[n++] = "--configure";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--configure");

         break;
 
         case Item::ConfigurePending:
         break;
 
         case Item::ConfigurePending:

-        Args[n++] = "--configure";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--pending";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--configure");
+        ADDARGC("--pending");

         break;
 
         case Item::TriggersPending:
         break;
 
         case Item::TriggersPending:

-        Args[n++] = "--triggers-only";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--pending";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--triggers-only");
+        ADDARGC("--pending");

         break;
 
         case Item::Install:
         break;
 
         case Item::Install:

-        Args[n++] = "--unpack";
-        Size += strlen(Args[n-1]);
-        Args[n++] = "--auto-deconfigure";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--unpack");
+        ADDARGC("--auto-deconfigure");

         break;
       }
 
       if (NoTriggers == true && I->Op != Item::TriggersPending &&
          I->Op != Item::ConfigurePending)
       {
         break;
       }
 
       if (NoTriggers == true && I->Op != Item::TriggersPending &&
          I->Op != Item::ConfigurePending)
       {

-        Args[n++] = "--no-triggers";
-        Size += strlen(Args[n-1]);
+        ADDARGC("--no-triggers");

       }
       }

+#undef ADDARGC

 
       // Write in the file or package names
       if (I->Op == Item::Install)
       {
 
       // Write in the file or package names
       if (I->Op == Item::Install)
       {

-        for (;I != J && Size < MaxArgBytes; I++)
+        for (;I != J && Size < MaxArgBytes; ++I)

         {
            if (I->File[0] != '/')
               return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str());
         {
            if (I->File[0] != '/')
               return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str());

-           Args[n++] = I->File.c_str();
-           Size += strlen(Args[n-1]);
+           Args.push_back(I->File.c_str());
+           Size += I->File.length();

         }
         }

-      }      
+      }

       else
       {
         string const nativeArch = _config->Find("APT::Architecture");
         unsigned long const oldSize = I->Op == Item::Configure ? Size : 0;
       else
       {
         string const nativeArch = _config->Find("APT::Architecture");
         unsigned long const oldSize = I->Op == Item::Configure ? Size : 0;

-        for (;I != J && Size < MaxArgBytes; I++)
+        for (;I != J && Size < MaxArgBytes; ++I)

         {
            if((*I).Pkg.end() == true)
               continue;
            if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end())
               continue;
         {
            if((*I).Pkg.end() == true)
               continue;
            if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end())
               continue;

-           if (I->Pkg.Arch() == nativeArch || !strcmp(I->Pkg.Arch(), "all"))
-              Args[n++] = I->Pkg.Name();
+           // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian
+           if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch ||
+                                          strcmp(I->Pkg.Arch(), "all") == 0 ||
+                                          strcmp(I->Pkg.Arch(), "none") == 0))
+           {
+              char const * const name = I->Pkg.Name();
+              ADDARG(name);
+           }

            else
            {
            else
            {

-              Packages[pkgcount] = strdup(I->Pkg.FullName(false).c_str());
-              Args[n++] = Packages[pkgcount++];
+              pkgCache::VerIterator PkgVer;
+              std::string name = I->Pkg.Name();
+              if (Op == Item::Remove || Op == Item::Purge) 
+               {
+                 PkgVer = I->Pkg.CurrentVer();
+                  if(PkgVer.end() == true)
+                     PkgVer = FindNowVersion(I->Pkg);
+               }
+              else
+                 PkgVer = Cache[I->Pkg].InstVerIter(Cache);
+              if (strcmp(I->Pkg.Arch(), "none") == 0)
+                 ; // never arch-qualify a package without an arch
+              else if (PkgVer.end() == false)
+                  name.append(":").append(PkgVer.Arch());
+               else
+                  _error->Warning("Can not find PkgVer for '%s'", name.c_str());
+              char * const fullname = strdup(name.c_str());
+              Packages.push_back(fullname);
+              ADDARG(fullname);

            }
            }

-           Size += strlen(Args[n-1]);

         }
         // skip configure action if all sheduled packages disappeared
         if (oldSize == Size)
            continue;
       }
         }
         // skip configure action if all sheduled packages disappeared
         if (oldSize == Size)
            continue;
       }

-      Args[n] = 0;
+#undef ADDARG
+

       J = I;
       
       if (_config->FindB("Debug::pkgDPkgPM",false) == true)
       {
       J = I;
       
       if (_config->FindB("Debug::pkgDPkgPM",false) == true)
       {

-        for (unsigned int k = 0; k != n; k++)
-           clog << Args[k] << ' ';
+        for (std::vector<const char *>::const_iterator a = Args.begin();
+             a != Args.end(); ++a)
+           clog << *a << ' ';

         clog << endl;
         continue;
       }
         clog << endl;
         continue;
       }

-      
+      Args.push_back(NULL);
+

       cout << flush;
       clog << flush;
       cerr << flush;
       cout << flush;
       clog << flush;
       cerr << flush;


@@ -1054,8 +1220,13 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         it to all processes in the group. Since dpkg ignores the signal 
         it doesn't die but we do! So we must also ignore it */
       sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
         it to all processes in the group. Since dpkg ignores the signal 
         it doesn't die but we do! So we must also ignore it */
       sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);

-      sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
-
+      sighandler_t old_SIGINT = signal(SIGINT,SigINT);
+      
+      // Check here for any SIGINT
+      if (pkgPackageManager::SigINTStop && (Op == Item::Remove || Op == Item::Purge || Op == Item::Install)) 
+         break;
+      
+      

       // ignore SIGHUP as well (debian #463030)
       sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
 
       // ignore SIGHUP as well (debian #463030)
       sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
 


@@ -1074,8 +1245,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            const char *s = _("Can not write log, openpty() "
                              "failed (/dev/pts not mounted?)\n");
            fprintf(stderr, "%s",s);
            const char *s = _("Can not write log, openpty() "
                              "failed (/dev/pts not mounted?)\n");
            fprintf(stderr, "%s",s);

-            if(term_out)
-              fprintf(term_out, "%s",s);
+            if(d->term_out)
+              fprintf(d->term_out, "%s",s);

            master = slave = -1;
         }  else {
            struct termios rtt;
            master = slave = -1;
         }  else {
            struct termios rtt;


@@ -1093,7 +1264,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            sigprocmask(SIG_SETMASK, &original_sigmask, 0);
         }
       }
            sigprocmask(SIG_SETMASK, &original_sigmask, 0);
         }
       }

-

        // Fork dpkg
       pid_t Child;
       _config->Set("APT::Keep-Fds::",fd[1]);
        // Fork dpkg
       pid_t Child;
       _config->Set("APT::Keep-Fds::",fd[1]);


@@ -1104,7 +1274,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
                << (PackagesDone/float(PackagesTotal)*100.0) 
                << ":" << _("Running dpkg")
                << endl;
                << (PackagesDone/float(PackagesTotal)*100.0) 
                << ":" << _("Running dpkg")
                << endl;

-        write(OutStatusFd, status.str().c_str(), status.str().size());
+        FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());

       }
       Child = ExecFork();
             
       }
       Child = ExecFork();
             


@@ -1123,14 +1293,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         }
         close(fd[0]); // close the read end of the pipe
 
         }
         close(fd[0]); // close the read end of the pipe
 

-        if (_config->FindDir("DPkg::Chroot-Directory","/") != "/") 
-        {
-           std::cerr << "Chrooting into " 
-                     << _config->FindDir("DPkg::Chroot-Directory") 
-                     << std::endl;
-           if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
-              _exit(100);
-        }
+        dpkgChrootDirectory();

 
         if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
            _exit(100);
 
         if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
            _exit(100);


@@ -1154,7 +1317,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         /* No Job Control Stop Env is a magic dpkg var that prevents it
            from using sigstop */
         putenv((char *)"DPKG_NO_TSTP=yes");
         /* No Job Control Stop Env is a magic dpkg var that prevents it
            from using sigstop */
         putenv((char *)"DPKG_NO_TSTP=yes");

-        execvp(Args[0],(char **)Args);
+        execvp(Args[0], (char**) &Args[0]);

         cerr << "Could not exec dpkg!" << endl;
         _exit(100);
       }      
         cerr << "Could not exec dpkg!" << endl;
         _exit(100);
       }      


@@ -1180,10 +1343,11 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       sigemptyset(&sigmask);
       sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
 
       sigemptyset(&sigmask);
       sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
 

-      /* clean up the temporary allocation for multiarch package names in
-         the parent, so we don't leak memory when we return. */
-      for (unsigned int i = 0; i < pkgcount; i++)
-        free(Packages[i]);
+      /* free vectors (and therefore memory) as we don't need the included data anymore */
+      for (std::vector<char *>::const_iterator p = Packages.begin();
+          p != Packages.end(); ++p)
+        free(*p);
+      Packages.clear();

 
       // the result of the waitpid call
       int res;
 
       // the result of the waitpid call
       int res;


@@ -1199,13 +1363,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            // Restore sig int/quit
            signal(SIGQUIT,old_SIGQUIT);
            signal(SIGINT,old_SIGINT);
            // Restore sig int/quit
            signal(SIGQUIT,old_SIGQUIT);
            signal(SIGINT,old_SIGINT);

+

            signal(SIGHUP,old_SIGHUP);
            return _error->Errno("waitpid","Couldn't wait for subprocess");
         }
 
         // wait for input or output here
         FD_ZERO(&rfds);
            signal(SIGHUP,old_SIGHUP);
            return _error->Errno("waitpid","Couldn't wait for subprocess");
         }
 
         // wait for input or output here
         FD_ZERO(&rfds);

-        if (master >= 0 && !stdin_is_dev_null)
+        if (master >= 0 && !d->stdin_is_dev_null)

            FD_SET(0, &rfds); 
         FD_SET(_dpkgin, &rfds);
         if(master >= 0)
            FD_SET(0, &rfds); 
         FD_SET(_dpkgin, &rfds);
         if(master >= 0)


@@ -1239,6 +1404,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // Restore sig int/quit
       signal(SIGQUIT,old_SIGQUIT);
       signal(SIGINT,old_SIGINT);
       // Restore sig int/quit
       signal(SIGQUIT,old_SIGQUIT);
       signal(SIGINT,old_SIGINT);

+      

       signal(SIGHUP,old_SIGHUP);
 
       if(master >= 0) 
       signal(SIGHUP,old_SIGHUP);
 
       if(master >= 0) 


@@ -1259,14 +1425,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            RunScripts("DPkg::Post-Invoke");
 
         if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) 
            RunScripts("DPkg::Post-Invoke");
 
         if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) 

-           strprintf(dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]);
+           strprintf(d->dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]);

         else if (WIFEXITED(Status) != 0)
         else if (WIFEXITED(Status) != 0)

-           strprintf(dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));
+           strprintf(d->dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));

         else 
         else 

-           strprintf(dpkg_error, "Sub-process %s exited unexpectedly",Args[0]);
+           strprintf(d->dpkg_error, "Sub-process %s exited unexpectedly",Args[0]);

 
 

-        if(dpkg_error.size() > 0)
-           _error->Error("%s", dpkg_error.c_str());
+        if(d->dpkg_error.size() > 0)
+           _error->Error("%s", d->dpkg_error.c_str());

 
         if(stopOnError) 
         {
 
         if(stopOnError) 
         {


@@ -1276,6 +1442,9 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       }      
    }
    CloseLog();
       }      
    }
    CloseLog();

+   
+   if (pkgPackageManager::SigINTStop)
+       _error->Warning(_("Operation was interrupted before it could finish"));

 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;
 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;


@@ -1300,6 +1469,10 @@ bool pkgDPkgPM::Go(int OutStatusFd)
    Cache.writeStateFile(NULL);
    return true;
 }
    Cache.writeStateFile(NULL);
    return true;
 }

+
+void SigINT(int sig) {
+   pkgPackageManager::SigINTStop = true;
+}

                                                                        /*}}}*/
 // pkgDpkgPM::Reset - Dump the contents of the command list            /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // pkgDpkgPM::Reset - Dump the contents of the command list            /*{{{*/
 // ---------------------------------------------------------------------


@@ -1314,6 +1487,12 @@ void pkgDPkgPM::Reset()
 /* */
 void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) 
 {
 /* */
 void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) 
 {

+   // If apport doesn't exist or isn't installed do nothing
+   // This e.g. prevents messages in 'universes' without apport
+   pkgCache::PkgIterator apportPkg = Cache.FindPkg("apport");
+   if (apportPkg.end() == true || apportPkg->CurrentVer == 0)
+      return;
+

    string pkgname, reportfile, srcpkgname, pkgver, arch;
    string::size_type pos;
    FILE *report;
    string pkgname, reportfile, srcpkgname, pkgver, arch;
    string::size_type pos;
    FILE *report;


@@ -1401,7 +1580,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
         if(strstr(strbuf,"Package:") == strbuf)
         {
            char pkgname[255], version[255];
         if(strstr(strbuf,"Package:") == strbuf)
         {
            char pkgname[255], version[255];

-           if(sscanf(strbuf, "Package: %s %s", pkgname, version) == 2)
+           if(sscanf(strbuf, "Package: %254s %254s", pkgname, version) == 2)

               if(strcmp(pkgver.c_str(), version) == 0)
               {
                  fclose(report);
               if(strcmp(pkgver.c_str(), version) == 0)
               {
                  fclose(report);


@@ -1430,20 +1609,20 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    fprintf(report, "ErrorMessage:\n %s\n", errormsg);
 
    // ensure that the log is flushed
    fprintf(report, "ErrorMessage:\n %s\n", errormsg);
 
    // ensure that the log is flushed

-   if(term_out)
-      fflush(term_out);
+   if(d->term_out)
+      fflush(d->term_out);

 
    // attach terminal log it if we have it
    string logfile_name = _config->FindFile("Dir::Log::Terminal");
    if (!logfile_name.empty())
    {
       FILE *log = NULL;
 
    // attach terminal log it if we have it
    string logfile_name = _config->FindFile("Dir::Log::Terminal");
    if (!logfile_name.empty())
    {
       FILE *log = NULL;

-      char buf[1024];

 
       fprintf(report, "DpkgTerminalLog:\n");
       log = fopen(logfile_name.c_str(),"r");
       if(log != NULL)
       {
 
       fprintf(report, "DpkgTerminalLog:\n");
       log = fopen(logfile_name.c_str(),"r");
       if(log != NULL)
       {

+        char buf[1024];

         while( fgets(buf, sizeof(buf), log) != NULL)
            fprintf(report, " %s", buf);
         fclose(log);
         while( fgets(buf, sizeof(buf), log) != NULL)
            fprintf(report, " %s", buf);
         fclose(log);


@@ -1453,19 +1632,20 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    // log the ordering 
    const char *ops_str[] = {"Install", "Configure","Remove","Purge"};
    fprintf(report, "AptOrdering:\n");
    // log the ordering 
    const char *ops_str[] = {"Install", "Configure","Remove","Purge"};
    fprintf(report, "AptOrdering:\n");

-   for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
-      fprintf(report, " %s: %s\n", (*I).Pkg.Name(), ops_str[(*I).Op]);
+   for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
+      if ((*I).Pkg != NULL)
+         fprintf(report, " %s: %s\n", (*I).Pkg.Name(), ops_str[(*I).Op]);
+      else
+         fprintf(report, " %s: %s\n", "NULL", ops_str[(*I).Op]);

 
    // attach dmesg log (to learn about segfaults)
    if (FileExists("/bin/dmesg"))
    {
 
    // attach dmesg log (to learn about segfaults)
    if (FileExists("/bin/dmesg"))
    {

-      FILE *log = NULL;
-      char buf[1024];
-

       fprintf(report, "Dmesg:\n");
       fprintf(report, "Dmesg:\n");

-      log = popen("/bin/dmesg","r");
+      FILE *log = popen("/bin/dmesg","r");

       if(log != NULL)
       {
       if(log != NULL)
       {

+        char buf[1024];

         while( fgets(buf, sizeof(buf), log) != NULL)
            fprintf(report, " %s", buf);
         pclose(log);
         while( fgets(buf, sizeof(buf), log) != NULL)
            fprintf(report, " %s", buf);
         pclose(log);


@@ -1475,13 +1655,12 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    // attach df -l log (to learn about filesystem status)
    if (FileExists("/bin/df"))
    {
    // attach df -l log (to learn about filesystem status)
    if (FileExists("/bin/df"))
    {

-      FILE *log = NULL;
-      char buf[1024];

 
       fprintf(report, "Df:\n");
 
       fprintf(report, "Df:\n");

-      log = popen("/bin/df -l","r");
+      FILE *log = popen("/bin/df -l","r");

       if(log != NULL)
       {
       if(log != NULL)
       {

+        char buf[1024];

         while( fgets(buf, sizeof(buf), log) != NULL)
            fprintf(report, " %s", buf);
         pclose(log);
         while( fgets(buf, sizeof(buf), log) != NULL)
            fprintf(report, " %s", buf);
         pclose(log);