]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/deb/dpkgpm.cc
apt-pkg/deb/dpkgpm.cc:
[apt.git] / apt-pkg / deb / dpkgpm.cc
index 4e108c419bc69d34b3f57760377801c4c06add93..e78f2dc1ccde0cd11e4b1cf91383831da3551fc5 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: dpkgpm.cc,v 1.11 1999/07/09 04:11:34 jgg Exp $
+// $Id: dpkgpm.cc,v 1.28 2004/01/27 02:25:01 mdz Exp $
 /* ######################################################################
 
    DPKG Package Manager - Provide an interface to dpkg
@@ -8,26 +8,39 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Includes                                                            /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/dpkgpm.h"
-#endif
 #include <apt-pkg/dpkgpm.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/strutl.h>
 
 #include <unistd.h>
 #include <stdlib.h>
 #include <fcntl.h>
+#include <sys/select.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <signal.h>
 #include <errno.h>
+#include <stdio.h>
+#include <sstream>
+#include <map>
+
+#include <termios.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <pty.h>
+
+#include <config.h>
+#include <apti18n.h>
                                                                        /*}}}*/
 
+using namespace std;
+
 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-pkgDPkgPM::pkgDPkgPM(pkgDepCache &Cache) : pkgPackageManager(Cache)
+pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) : pkgPackageManager(Cache)
 {
 }
                                                                        /*}}}*/
@@ -121,7 +134,7 @@ bool pkgDPkgPM::RunScripts(const char *Cnf)
    // Restore sig int/quit
    signal(SIGQUIT,SIG_DFL);
    signal(SIGINT,SIG_DFL);   
-       
+
    // Check for an error code.
    if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
    {
@@ -138,28 +151,309 @@ bool pkgDPkgPM::RunScripts(const char *Cnf)
    
    return true;
 }
+                                                                        /*}}}*/
+// DPkgPM::SendV2Pkgs - Send version 2 package info                    /*{{{*/
+// ---------------------------------------------------------------------
+/* 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 
+      configuration tree */
+   const Configuration::Item *Top = _config->Tree(0);
+   for (; Top != 0;)
+   {
+      if (Top->Value.empty() == false)
+      {
+        fprintf(F,"%s=%s\n",
+                QuoteString(Top->FullTag(),"=\"\n").c_str(),
+                QuoteString(Top->Value,"\n").c_str());
+      }
+
+      if (Top->Child != 0)
+      {
+        Top = Top->Child;
+        continue;
+      }
+      
+      while (Top != 0 && Top->Next == 0)
+        Top = Top->Parent;
+      if (Top != 0)
+        Top = Top->Next;
+   }   
+   fprintf(F,"\n");
+   // Write out the package actions in order.
+   for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+   {
+      pkgDepCache::StateCache &S = Cache[I->Pkg];
+      
+      fprintf(F,"%s ",I->Pkg.Name());
+      // Current version
+      if (I->Pkg->CurrentVer == 0)
+        fprintf(F,"- ");
+      else
+        fprintf(F,"%s ",I->Pkg.CurrentVer().VerStr());
+      
+      // Show the compare operator
+      // Target version
+      if (S.InstallVer != 0)
+      {
+        int Comp = 2;
+        if (I->Pkg->CurrentVer != 0)
+           Comp = S.InstVerIter(Cache).CompareVer(I->Pkg.CurrentVer());
+        if (Comp < 0)
+           fprintf(F,"> ");
+        if (Comp == 0)
+           fprintf(F,"= ");
+        if (Comp > 0)
+           fprintf(F,"< ");
+        fprintf(F,"%s ",S.InstVerIter(Cache).VerStr());
+      }
+      else
+        fprintf(F,"> - ");
+      
+      // Show the filename/operation
+      if (I->Op == Item::Install)
+      {
+        // No errors here..
+        if (I->File[0] != '/')
+           fprintf(F,"**ERROR**\n");
+        else
+           fprintf(F,"%s\n",I->File.c_str());
+      }      
+      if (I->Op == Item::Configure)
+        fprintf(F,"**CONFIGURE**\n");
+      if (I->Op == Item::Remove ||
+         I->Op == Item::Purge)
+        fprintf(F,"**REMOVE**\n");
+      
+      if (ferror(F) != 0)
+        return false;
+   }
+   return true;
+}
+                                                                       /*}}}*/
+// DPkgPM::RunScriptsWithPkgs - Run scripts with package names on stdin /*{{{*/
+// ---------------------------------------------------------------------
+/* This looks for a list of scripts to run from the configuration file
+   each one is run and is fed on standard input a list of all .deb files
+   that are due to be installed. */
+bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
+{
+   Configuration::Item const *Opts = _config->Tree(Cnf);
+   if (Opts == 0 || Opts->Child == 0)
+      return true;
+   Opts = Opts->Child;
+   
+   unsigned int Count = 1;
+   for (; Opts != 0; Opts = Opts->Next, Count++)
+   {
+      if (Opts->Value.empty() == true)
+         continue;
+
+      // Determine the protocol version
+      string OptSec = Opts->Value;
+      string::size_type Pos;
+      if ((Pos = OptSec.find(' ')) == string::npos || Pos == 0)
+        Pos = OptSec.length();
+      OptSec = "DPkg::Tools::Options::" + string(Opts->Value.c_str(),Pos);
+      
+      unsigned int Version = _config->FindI(OptSec+"::Version",1);
+      
+      // Create the pipes
+      int Pipes[2];
+      if (pipe(Pipes) != 0)
+        return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+      SetCloseExec(Pipes[0],true);
+      SetCloseExec(Pipes[1],true);
+      
+      // Purified Fork for running the script
+      pid_t Process = ExecFork();      
+      if (Process == 0)
+      {
+        // Setup the FDs
+        dup2(Pipes[0],STDIN_FILENO);
+        SetCloseExec(STDOUT_FILENO,false);
+        SetCloseExec(STDIN_FILENO,false);      
+        SetCloseExec(STDERR_FILENO,false);
+
+        const char *Args[4];
+        Args[0] = "/bin/sh";
+        Args[1] = "-c";
+        Args[2] = Opts->Value.c_str();
+        Args[3] = 0;
+        execv(Args[0],(char **)Args);
+        _exit(100);
+      }
+      close(Pipes[0]);
+      FILE *F = fdopen(Pipes[1],"w");
+      if (F == 0)
+        return _error->Errno("fdopen","Faild to open new FD");
+      
+      // Feed it the filenames.
+      bool Die = false;
+      if (Version <= 1)
+      {
+        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)
+              continue;
+
+           // No errors here..
+           if (I->File[0] != '/')
+              continue;
+           
+           /* Feed the filename of each package that is pending install
+              into the pipe. */
+           fprintf(F,"%s\n",I->File.c_str());
+           if (ferror(F) != 0)
+           {
+              Die = true;
+              break;
+           }
+        }
+      }
+      else
+        Die = !SendV2Pkgs(F);
+
+      fclose(F);
+      
+      // Clean up the sub process
+      if (ExecWait(Process,Opts->Value.c_str()) == false)
+        return _error->Error("Failure running script %s",Opts->Value.c_str());
+   }
+
+   return true;
+}
+
                                                                        /*}}}*/
+// DPkgPM::DoStdin - Read stdin and pass to slave pty                  /*{{{*/
+// ---------------------------------------------------------------------
+/*
+*/
+void pkgDPkgPM::DoStdin(int master)
+{
+   char input_buf[256] = {0,}; 
+   int len = read(0, input_buf, sizeof(input_buf));
+   write(master, input_buf, len);
+}
+                                                                       /*}}}*/
+// DPkgPM::DoTerminalPty - Read the terminal pty and write log         /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ * read the terminal pty and write log
+ */
+void pkgDPkgPM::DoTerminalPty(int master, FILE *term_out)
+{
+   char term_buf[1024] = {0,};
+
+   int len=read(master, term_buf, sizeof(term_buf));
+   if(len <= 0)
+      return;
+   fwrite(term_buf, len, sizeof(char), term_out);
+   write(1, term_buf, len);
+}
+                                                                       /*}}}*/
+
+
+
 // DPkgPM::Go - Run the sequence                                       /*{{{*/
 // ---------------------------------------------------------------------
-/* This globs the operations and calls dpkg */
-bool pkgDPkgPM::Go()
+/* This globs the operations and calls dpkg 
+ *   
+ * If it is called with "OutStatusFd" set to a valid file descriptor
+ * apt will report the install progress over this fd. It maps the
+ * dpkg states a package goes through to human readable (and i10n-able)
+ * names and calculates a percentage for each step.
+*/
+bool pkgDPkgPM::Go(int OutStatusFd)
 {
+   unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);   
+   unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+
    if (RunScripts("DPkg::Pre-Invoke") == false)
       return false;
+
+   if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
+      return false;
    
+   // prepare the progress reporting 
+   int Done = 0;
+   int Total = 0;
+   // map the dpkg states to the operations that are performed
+   // (this is sorted in the same way as Item::Ops)
+   static const struct DpkgState DpkgStatesOpMap[][5] = {
+      // Install operation
+      { 
+        {"half-installed", N_("Preparing %s")}, 
+        {"unpacked", N_("Unpacking %s") }, 
+        {NULL, NULL}
+      },
+      // Configure operation
+      { 
+        {"unpacked",N_("Preparing to configure %s") },
+        {"half-configured", N_("Configuring %s") },
+        { "installed", N_("Installed %s")},
+        {NULL, NULL}
+      },
+      // Remove operation
+      { 
+        {"half-configured", N_("Preparing for removal of %s")},
+        {"half-installed", N_("Removing %s")},
+        {"config-files",  N_("Removed %s")},
+        {NULL, NULL}
+      },
+      // Purge operation
+      { 
+        {"config-files", N_("Preparing to completely remove %s")},
+        {"not-installed", N_("Completely removed %s")},
+        {NULL, NULL}
+      },
+   };
+
+   // the dpkg states that the pkg will run through, the string is 
+   // the package, the vector contains the dpkg states that the package
+   // will go through
+   map<string,vector<struct DpkgState> > PackageOps;
+   // the dpkg states that are already done; the string is the package
+   // the int is the state that is already done (e.g. a package that is
+   // going to be install is already in state "half-installed")
+   map<string,int> PackageOpsDone;
+
+   // init the PackageOps map, go over the list of packages that
+   // 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>::iterator I = List.begin(); I != List.end();I++)
+   {
+      string name = (*I).Pkg.Name();
+      PackageOpsDone[name] = 0;
+      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL;  i++) 
+      {
+        PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
+        Total++;
+      }
+   }   
+
+   // this loop is runs once per operation
    for (vector<Item>::iterator I = List.begin(); I != List.end();)
    {
       vector<Item>::iterator J = I;
       for (; J != List.end() && J->Op == I->Op; J++);
 
       // Generate the argument list
-      const char *Args[400];
-      if (J - I > 350)
-        J = I + 350;
+      const char *Args[MaxArgs + 50];
+      if (J - I > (signed)MaxArgs)
+        J = I + MaxArgs;
       
       unsigned int n = 0;
       unsigned long Size = 0;
-      Args[n++] = _config->Find("Dir::Bin::dpkg","dpkg").c_str();
+      string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+      Args[n++] = Tmp.c_str();
       Size += strlen(Args[n-1]);
       
       // Stick in any custom dpkg options
@@ -176,6 +470,16 @@ bool pkgDPkgPM::Go()
         }       
       }
       
+      char status_fd_buf[20];
+      int fd[2];
+      pipe(fd);
+      
+      Args[n++] = "--status-fd";
+      Size += strlen(Args[n-1]);
+      snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);
+      Args[n++] = status_fd_buf;
+      Size += strlen(Args[n-1]);
+
       switch (I->Op)
       {
         case Item::Remove:
@@ -204,13 +508,15 @@ bool pkgDPkgPM::Go()
         case Item::Install:
         Args[n++] = "--unpack";
         Size += strlen(Args[n-1]);
+        Args[n++] = "--auto-deconfigure";
+        Size += strlen(Args[n-1]);
         break;
       }
       
       // Write in the file or package names
       if (I->Op == Item::Install)
       {
-        for (;I != J && Size < 1024; 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());
@@ -220,7 +526,7 @@ bool pkgDPkgPM::Go()
       }      
       else
       {
-        for (;I != J && Size < 1024; I++)
+        for (;I != J && Size < MaxArgBytes; I++)
         {
            Args[n++] = I->Pkg.Name();
            Size += strlen(Args[n-1]);
@@ -245,64 +551,286 @@ bool pkgDPkgPM::Go()
          it forks scripts. What happens is that when you hit ctrl-c it sends
         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 */
-      signal(SIGQUIT,SIG_IGN);
-      signal(SIGINT,SIG_IGN);
-                    
-      // Fork dpkg
-      pid_t Child = ExecFork();
+      sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
+      sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
+
+      struct   termios tt;
+      struct   winsize win;
+      int      master;
+      int      slave;
+
+      // FIXME: setup sensible signal handling (*ick*)
+      tcgetattr(0, &tt);
+      ioctl(0, TIOCGWINSZ, (char *)&win);
+      if (openpty(&master, &slave, NULL, &tt, &win) < 0) 
+      {
+        fprintf(stderr, _("openpty failed\n"));
+      }
+
+      struct termios rtt;
+      rtt = tt;
+      cfmakeraw(&rtt);
+      rtt.c_lflag &= ~ECHO;
+      tcsetattr(0, TCSAFLUSH, &rtt);
+
+       // Fork dpkg
+      pid_t Child;
+      _config->Set("APT::Keep-Fds::",fd[1]);
+      Child = ExecFork();
             
       // This is the child
       if (Child == 0)
       {
+        setsid();
+        ioctl(slave, TIOCSCTTY, 0);
+        close(master);
+        dup2(slave, 0);
+        dup2(slave, 1);
+        dup2(slave, 2);
+        close(slave);
+        close(fd[0]); // close the read end of the pipe
+
         if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
            _exit(100);
         
-        int Flags,dummy;
-        if ((Flags = fcntl(STDIN_FILENO,F_GETFL,dummy)) < 0)
-           _exit(100);
-        
-        // Discard everything in stdin before forking dpkg
-        if (fcntl(STDIN_FILENO,F_SETFL,Flags | O_NONBLOCK) < 0)
-           _exit(100);
-        
-        while (read(STDIN_FILENO,&dummy,1) == 1);
-        
-        if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0)
-           _exit(100);
+        if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO))
+        {
+           int Flags,dummy;
+           if ((Flags = fcntl(STDIN_FILENO,F_GETFL,dummy)) < 0)
+              _exit(100);
+           
+           // Discard everything in stdin before forking dpkg
+           if (fcntl(STDIN_FILENO,F_SETFL,Flags | O_NONBLOCK) < 0)
+              _exit(100);
+           
+           while (read(STDIN_FILENO,&dummy,1) == 1);
+           
+           if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0)
+              _exit(100);
+        }
+
 
         /* No Job Control Stop Env is a magic dpkg var that prevents it
            from using sigstop */
-        setenv("DPKG_NO_TSTP","yes",1);
+        putenv("DPKG_NO_TSTP=yes");
         execvp(Args[0],(char **)Args);
         cerr << "Could not exec dpkg!" << endl;
         _exit(100);
       }      
 
+      // clear the Keep-Fd again
+      _config->Clear("APT::Keep-Fds",fd[1]);
+
       // Wait for dpkg
       int Status = 0;
-      while (waitpid(Child,&Status,0) != Child)
-      {
-        if (errno == EINTR)
+
+      // we read from dpkg here
+      int _dpkgin = fd[0];
+      fcntl(_dpkgin, F_SETFL, O_NONBLOCK);
+      close(fd[1]);                        // close the write end of the pipe
+
+      // the read buffers for the communication with dpkg
+      char line[1024] = {0,};
+      char buf[2] = {0,0};
+      
+      // the result of the waitpid call
+      int res;
+      close(slave);
+#if 0
+      fcntl(0, F_SETFL, O_NONBLOCK);
+      fcntl(master, F_SETFL, O_NONBLOCK);
+#endif
+      // FIXME: make this a apt config option and add a logrotate file
+      FILE *term_out = fopen("/var/log/dpkg-out.log","a");
+      chmod("/var/log/dpkg-out.log", 0600);
+      // output current time
+      char outstr[200];
+      time_t t = time(NULL);
+      struct tm *tmp = localtime(&t);
+      strftime(outstr, sizeof(outstr), "%F  %T", tmp);
+      fprintf(term_out, "Log started: ");
+      fprintf(term_out, outstr);
+      fprintf(term_out, "\n");
+
+      // setups fds
+      fd_set rfds;
+      struct timeval tv;
+      int select_ret;
+      while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
+        if(res < 0) {
+           // FIXME: move this to a function or something, looks ugly here
+           // error handling, waitpid returned -1
+           if (errno == EINTR)
+              continue;
+           RunScripts("DPkg::Post-Invoke");
+
+           // Restore sig int/quit
+           signal(SIGQUIT,old_SIGQUIT);
+           signal(SIGINT,old_SIGINT);
+           return _error->Errno("waitpid","Couldn't wait for subprocess");
+        }
+
+        // wait for input or output here
+        FD_ZERO(&rfds);
+        FD_SET(0, &rfds); 
+        FD_SET(_dpkgin, &rfds);
+        FD_SET(master, &rfds);
+        tv.tv_sec = 1;
+        tv.tv_usec = 0;
+        select_ret = select(max(master, _dpkgin)+1, &rfds, NULL, NULL, &tv);
+        if (select_ret < 0)
+           std::cerr << "Error in select()" << std::endl;
+        else if (select_ret == 0)
            continue;
-        RunScripts("DPkg::Post-Invoke");
-        return _error->Errno("waitpid","Couldn't wait for subprocess");
+
+        if(FD_ISSET(master, &rfds))
+           DoTerminalPty(master, term_out);
+        if(FD_ISSET(0, &rfds))
+           DoStdin(master);
+
+        // FIXME: move this into its own function too
+        //DoDpkgStatusFd();
+        if(FD_ISSET(_dpkgin, &rfds))
+        while(true)
+        {
+           if(read(_dpkgin, buf, 1) <= 0)
+              break;
+
+           // sanity check (should never happen)
+           if(strlen(line) >= sizeof(line)-10)
+           {
+              _error->Error("got a overlong line from dpkg: '%s'",line);
+              line[0]=0;
+              continue;
+           }
+           // append to line, check if we got a complete line
+           strcat(line, buf);
+           if(buf[0] != '\n')
+              continue;
+
+           if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+              std::clog << "got from dpkg '" << line << "'" << std::endl;
+
+           // the status we output
+           ostringstream status;
+
+           /* dpkg sends strings like this:
+              'status:   <pkg>:  <pkg  qstate>'
+              errors look like this:
+              'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data 
+              and conffile-prompt like this
+              'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+           
+           */
+           char* list[5];
+           //        dpkg sends multiline error messages sometimes (see
+           //        #374195 for a example. we should support this by
+           //        either patching dpkg to not send multiline over the
+           //        statusfd or by rewriting the code here to deal with
+           //        it. for now we just ignore it and not crash
+           TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
+           char *pkg = list[1];
+           char *action = _strstrip(list[2]);
+           if( pkg == NULL || action == NULL) 
+           {
+              if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+                 std::clog << "ignoring line: not enough ':'" << std::endl;
+              // reset the line buffer
+              line[0]=0;
+              continue;
+           }
+
+           if(strncmp(action,"error",strlen("error")) == 0)
+           {
+              status << "pmerror:" << list[1]
+                     << ":"  << (Done/float(Total)*100.0) 
+                     << ":" << list[3]
+                     << endl;
+              if(OutStatusFd > 0)
+                 write(OutStatusFd, status.str().c_str(), status.str().size());
+              line[0]=0;
+              if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+                 std::clog << "send: '" << status.str() << "'" << endl;
+              continue;
+           }
+           if(strncmp(action,"conffile",strlen("conffile")) == 0)
+           {
+              status << "pmconffile:" << list[1]
+                     << ":"  << (Done/float(Total)*100.0) 
+                     << ":" << list[3]
+                     << endl;
+              if(OutStatusFd > 0)
+                 write(OutStatusFd, status.str().c_str(), status.str().size());
+              line[0]=0;
+              if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+                 std::clog << "send: '" << status.str() << "'" << endl;
+              continue;
+           }
+
+           vector<struct DpkgState> &states = PackageOps[pkg];
+           const char *next_action = NULL;
+           if(PackageOpsDone[pkg] < states.size())
+              next_action = states[PackageOpsDone[pkg]].state;
+           // check if the package moved to the next dpkg state
+           if(next_action && (strcmp(action, next_action) == 0)) 
+           {
+              // only read the translation if there is actually a next
+              // action
+              const char *translation = _(states[PackageOpsDone[pkg]].str);
+              char s[200];
+              snprintf(s, sizeof(s), translation, pkg);
+
+              // we moved from one dpkg state to a new one, report that
+              PackageOpsDone[pkg]++;
+              Done++;
+              // build the status str
+              status << "pmstatus:" << pkg 
+                     << ":"  << (Done/float(Total)*100.0) 
+                     << ":" << s
+                     << endl;
+              if(OutStatusFd > 0)
+                 write(OutStatusFd, status.str().c_str(), status.str().size());
+              if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+                 std::clog << "send: '" << status.str() << "'" << endl;
+
+           }
+           if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) 
+              std::clog << "(parsed from dpkg) pkg: " << pkg 
+                        << " action: " << action << endl;
+
+           // reset the line buffer
+           line[0]=0;
+        }
       }
+      close(_dpkgin);
+      fclose(term_out);
 
       // Restore sig int/quit
-      signal(SIGQUIT,SIG_DFL);
-      signal(SIGINT,SIG_DFL);
+      signal(SIGQUIT,old_SIGQUIT);
+      signal(SIGINT,old_SIGINT);
+
+      tcsetattr(0, TCSAFLUSH, &tt);
        
       // Check for an error code.
       if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
       {
-        RunScripts("DPkg::Post-Invoke");
-        if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV)
-           return _error->Error("Sub-process recieved a segmentation fault.");
-           
-        if (WIFEXITED(Status) != 0)
-           return _error->Error("Sub-process returned an error code (%u)",WEXITSTATUS(Status));
+        // if it was set to "keep-dpkg-runing" then we won't return
+        // here but keep the loop going and just report it as a error
+        // for later
+        bool stopOnError = _config->FindB("Dpkg::StopOnError",true);
         
-        return _error->Error("Sub-process exited unexpectedly");
+        if(stopOnError)
+           RunScripts("DPkg::Post-Invoke");
+
+        if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) 
+           _error->Error("Sub-process %s received a segmentation fault.",Args[0]);
+        else if (WIFEXITED(Status) != 0)
+           _error->Error("Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));
+        else 
+           _error->Error("Sub-process %s exited unexpectedly",Args[0]);
+
+        if(stopOnError)
+           return false;
       }      
    }