* cmdline/apt-key:

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

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 6270e49f346157097d9455693310b1c32590b155..b11ecf132fa4900ea4eeec8fd597a7a893dc0a06 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -12,7 +12,10 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/depcache.h>

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

 #include <apt-pkg/strutl.h>
 #include <apt-pkg/strutl.h>

+#include <apti18n.h>
+#include <apt-pkg/fileutl.h>

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


@@ -37,10 +40,14 @@
 
 using namespace std;
 
 
 using namespace std;
 

+
+

 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) : pkgPackageManager(Cache)
+pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) 
+   : pkgPackageManager(Cache), dpkgbuf_pos(0),
+     term_out(NULL), PackagesDone(0), PackagesTotal(0)

 {
 }
                                                                        /*}}}*/
 {
 }
                                                                        /*}}}*/


@@ -90,68 +97,6 @@ bool pkgDPkgPM::Remove(PkgIterator Pkg,bool Purge)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// DPkgPM::RunScripts - Run a set of scripts                           /*{{{*/
-// ---------------------------------------------------------------------
-/* This looks for a list of script sto run from the configuration file,
-   each one is run with system from a forked child. */
-bool pkgDPkgPM::RunScripts(const char *Cnf)
-{
-   Configuration::Item const *Opts = _config->Tree(Cnf);
-   if (Opts == 0 || Opts->Child == 0)
-      return true;
-   Opts = Opts->Child;
-
-   // Fork for running the system calls
-   pid_t Child = ExecFork();
-   
-   // This is the child
-   if (Child == 0)
-   {
-      if (chdir("/tmp/") != 0)
-        _exit(100);
-        
-      unsigned int Count = 1;
-      for (; Opts != 0; Opts = Opts->Next, Count++)
-      {
-        if (Opts->Value.empty() == true)
-           continue;
-        
-        if (system(Opts->Value.c_str()) != 0)
-           _exit(100+Count);
-      }
-      _exit(0);
-   }      
-
-   // Wait for the child
-   int Status = 0;
-   while (waitpid(Child,&Status,0) != Child)
-   {
-      if (errno == EINTR)
-        continue;
-      return _error->Errno("waitpid","Couldn't wait for subprocess");
-   }
-
-   // Restore sig int/quit
-   signal(SIGQUIT,SIG_DFL);
-   signal(SIGINT,SIG_DFL);   
-
-   // Check for an error code.
-   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
-   {
-      unsigned int Count = WEXITSTATUS(Status);
-      if (Count > 100)
-      {
-        Count -= 100;
-        for (; Opts != 0 && Count != 1; Opts = Opts->Next, Count--);
-        _error->Error("Problem executing scripts %s '%s'",Cnf,Opts->Value.c_str());
-      }
-      
-      return _error->Error("Sub-process returned an error code");
-   }
-   
-   return true;
-}
-                                                                        /*}}}*/

 // DPkgPM::SendV2Pkgs - Send version 2 package info                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This is part of the helper script communication interface, it sends
 // DPkgPM::SendV2Pkgs - Send version 2 package info                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This is part of the helper script communication interface, it sends


@@ -329,7 +274,6 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
 
    return true;
 }
 
    return true;
 }

-

                                                                        /*}}}*/
 // DPkgPM::DoStdin - Read stdin and pass to slave pty                  /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // DPkgPM::DoStdin - Read stdin and pass to slave pty                  /*{{{*/
 // ---------------------------------------------------------------------


@@ -337,9 +281,12 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
 */
 void pkgDPkgPM::DoStdin(int master)
 {
 */
 void pkgDPkgPM::DoStdin(int master)
 {

-   char input_buf[2] = {0,0}; 
-   while(read(0, input_buf, 1) > 0)
-      write(master, input_buf, 1);
+   unsigned char input_buf[256] = {0,}; 
+   ssize_t len = read(0, input_buf, sizeof(input_buf));
+   if (len)
+      write(master, input_buf, len);
+   else
+      stdin_is_dev_null = true;

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


@@ -347,21 +294,220 @@ void pkgDPkgPM::DoStdin(int master)
 /*
  * read the terminal pty and write log
  */
 /*
  * read the terminal pty and write log
  */

-void pkgDPkgPM::DoTerminalPty(int master, FILE *term_out)
+void pkgDPkgPM::DoTerminalPty(int master)

 {
 {

-   char term_buf[2] = {0,0};
+   unsigned char term_buf[1024] = {0,0, };

 
 

-   // read a single char, make sure that the read can't block 
-   // (otherwise we may leave zombies)
-   while(read(master, term_buf, 1) > 0)
+   ssize_t len=read(master, term_buf, sizeof(term_buf));
+   if(len == -1 && errno == EIO)

    {
    {

-      fwrite(term_buf, 1, 1, term_out);
-      write(1, term_buf, 1);
-   } 
+      // this happens when the child is about to exit, we
+      // give it time to actually exit, otherwise we run
+      // into a race
+      usleep(500000);
+      return;
+   }  
+   if(len <= 0) 
+      return;
+   write(1, term_buf, len);
+   if(term_out)
+      fwrite(term_buf, len, sizeof(char), term_out);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

+// DPkgPM::ProcessDpkgStatusBuf                                                /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ */
+void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
+{
+   // the status we output
+   ostringstream status;
+
+   if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+      std::clog << "got from dpkg '" << line << "'" << std::endl;
+
+
+   /* 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]));
+   if( list[0] == NULL || list[1] == NULL || list[2] == NULL) 
+   {
+      if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+        std::clog << "ignoring line: not enough ':'" << std::endl;
+      return;
+   }
+   char *pkg = list[1];
+   char *action = _strstrip(list[2]);
+
+   if(strncmp(action,"error",strlen("error")) == 0)
+   {
+      status << "pmerror:" << list[1]
+            << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
+            << ":" << list[3]
+            << 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;
+      pkgFailures++;
+      WriteApportReport(list[1], list[3]);
+      return;
+   }
+   if(strncmp(action,"conffile",strlen("conffile")) == 0)
+   {
+      status << "pmconffile:" << list[1]
+            << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
+            << ":" << list[3]
+            << 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;
+      return;
+   }
+
+   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]++;
+      PackagesDone++;
+      // build the status str
+      status << "pmstatus:" << pkg 
+            << ":"  << (PackagesDone/float(PackagesTotal)*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;
+}
+
+// DPkgPM::DoDpkgStatusFd                                              /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ */
+void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
+{
+   char *p, *q;
+   int len;
+
+   len=read(statusfd, &dpkgbuf[dpkgbuf_pos], sizeof(dpkgbuf)-dpkgbuf_pos);
+   dpkgbuf_pos += len;
+   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)
+   {
+      *q = 0;
+      ProcessDpkgStatusLine(OutStatusFd, p);
+      p=q+1; // continue with next line
+   }

 
 

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

 
 

+   // we are interessted in the first char *after* 0x0
+   p++;
+
+   // move the unprocessed tail to the start and update pos
+   memmove(dpkgbuf, p, p-dpkgbuf);
+   dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p;
+}
+                                                                       /*}}}*/
+
+bool pkgDPkgPM::OpenLog()
+{
+   string logdir = _config->FindDir("Dir::Log");
+   if(not FileExists(logdir))
+      return _error->Error(_("Directory '%s' missing"), logdir.c_str());
+   string logfile_name = flCombine(logdir,
+                                  _config->Find("Dir::Log::Terminal"));
+   if (!logfile_name.empty())
+   {
+      term_out = fopen(logfile_name.c_str(),"a");
+      chmod(logfile_name.c_str(), 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, "\nLog started: ");
+      fprintf(term_out, outstr);
+      fprintf(term_out, "\n");
+   }
+   return true;
+}
+
+bool pkgDPkgPM::CloseLog()
+{
+   if(term_out)
+   {
+      char outstr[200];
+      time_t t = time(NULL);
+      struct tm *tmp = localtime(&t);
+      strftime(outstr, sizeof(outstr), "%F  %T", tmp);
+      fprintf(term_out, "Log ended: ");
+      fprintf(term_out, outstr);
+      fprintf(term_out, "\n");
+      fclose(term_out);
+   }
+   term_out = NULL;
+   return true;
+}
+
+/*{{{*/
+// This implements a racy version of pselect for those architectures
+// that don't have a working implementation.
+// FIXME: Probably can be removed on Lenny+1
+static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds,
+   fd_set *exceptfds, const struct timespec *timeout,
+   const sigset_t *sigmask)
+{
+   sigset_t origmask;
+   struct timeval tv;
+   int retval;
+
+   tv.tv_sec = timeout->tv_sec;
+   tv.tv_usec = timeout->tv_nsec/1000;
+
+   sigprocmask(SIG_SETMASK, sigmask, &origmask);
+   retval = select(nfds, readfds, writefds, exceptfds, &tv);
+   sigprocmask(SIG_SETMASK, &origmask, 0);
+   return retval;
+}
+/*}}}*/

 
 // DPkgPM::Go - Run the sequence                                       /*{{{*/
 // ---------------------------------------------------------------------
 
 // DPkgPM::Go - Run the sequence                                       /*{{{*/
 // ---------------------------------------------------------------------


@@ -383,12 +529,9 @@ bool pkgDPkgPM::Go(int OutStatusFd)
    if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == 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)
    // 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] = {
+   static const struct DpkgState DpkgStatesOpMap[][7] = {

       // Install operation
       { 
         {"half-installed", N_("Preparing %s")}, 
       // Install operation
       { 
         {"half-installed", N_("Preparing %s")}, 


@@ -399,12 +542,20 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       { 
         {"unpacked",N_("Preparing to configure %s") },
         {"half-configured", N_("Configuring %s") },
       { 
         {"unpacked",N_("Preparing to configure %s") },
         {"half-configured", N_("Configuring %s") },

+#if 0
+        {"triggers-awaited", N_("Processing triggers for %s") },
+        {"triggers-pending", N_("Processing triggers for %s") },
+#endif

         { "installed", N_("Installed %s")},
         {NULL, NULL}
       },
       // Remove operation
       { 
         {"half-configured", N_("Preparing for removal of %s")},
         { "installed", N_("Installed %s")},
         {NULL, NULL}
       },
       // Remove operation
       { 
         {"half-configured", N_("Preparing for removal of %s")},

+#if 0
+        {"triggers-awaited", N_("Preparing for removal of %s")},
+        {"triggers-pending", N_("Preparing for removal of %s")},
+#endif

         {"half-installed", N_("Removing %s")},
         {"config-files",  N_("Removed %s")},
         {NULL, NULL}
         {"half-installed", N_("Removing %s")},
         {"config-files",  N_("Removed %s")},
         {NULL, NULL}


@@ -417,15 +568,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       },
    };
 
       },
    };
 

-   // 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)
    // 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)


@@ -437,10 +579,15 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL;  i++) 
       {
         PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
       for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL;  i++) 
       {
         PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);

-        Total++;
+        PackagesTotal++;

       }
    }   
 
       }
    }   
 

+   stdin_is_dev_null = false;
+
+   // create log
+   OpenLog();
+

    // this loop is runs once per operation
    for (vector<Item>::iterator I = List.begin(); I != List.end();)
    {
    // this loop is runs once per operation
    for (vector<Item>::iterator I = List.begin(); I != List.end();)
    {


@@ -557,24 +704,30 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
 
       struct   termios tt;
       sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
 
       struct   termios tt;

+      struct   termios tt_out;

       struct   winsize win;
       int      master;
       int      slave;
 
       // FIXME: setup sensible signal handling (*ick*)
       tcgetattr(0, &tt);
       struct   winsize win;
       int      master;
       int      slave;
 
       // FIXME: setup sensible signal handling (*ick*)
       tcgetattr(0, &tt);

+      tcgetattr(1, &tt_out);

       ioctl(0, TIOCGWINSZ, (char *)&win);
       ioctl(0, TIOCGWINSZ, (char *)&win);

-      if (openpty(&master, &slave, NULL, &tt, &win) < 0) 
+      if (openpty(&master, &slave, NULL, &tt_out, &win) < 0) 

       {
       {

-        fprintf(stderr, _("openpty failed\n"));
+        const char *s = _("Can not write log, openpty() "
+                          "failed (/dev/pts not mounted?)\n");
+        fprintf(stderr, "%s",s);
+        fprintf(term_out, "%s",s);
+        master = slave = -1;
+      }  else {
+        struct termios rtt;
+        rtt = tt;
+        cfmakeraw(&rtt);
+        rtt.c_lflag &= ~ECHO;
+        tcsetattr(0, TCSAFLUSH, &rtt);

       }
 
       }
 

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


@@ -583,13 +736,16 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // This is the child
       if (Child == 0)
       {
       // 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);
+        if(slave >= 0 && master >= 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)
         close(fd[0]); // close the read end of the pipe
 
         if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)


@@ -614,7 +770,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
         /* No Job Control Stop Env is a magic dpkg var that prevents it
            from using sigstop */
 
         /* No Job Control Stop Env is a magic dpkg var that prevents it
            from using sigstop */

-        putenv("DPKG_NO_TSTP=yes");
+        putenv((char *)"DPKG_NO_TSTP=yes");

         execvp(Args[0],(char **)Args);
         cerr << "Could not exec dpkg!" << endl;
         _exit(100);
         execvp(Args[0],(char **)Args);
         cerr << "Could not exec dpkg!" << endl;
         _exit(100);


@@ -628,39 +784,22 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
       // we read from dpkg here
       int _dpkgin = fd[0];
 
       // 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
 
       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;
       // the result of the waitpid call
       int res;

-      close(slave);
-      fcntl(0, F_SETFL, O_NONBLOCK);
-      fcntl(master, F_SETFL, O_NONBLOCK);
-
-      // 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");
+      if(slave > 0)
+        close(slave);

 
       // setups fds
       fd_set rfds;
 
       // setups fds
       fd_set rfds;

-      struct timeval tv;
+      struct timespec tv;
+      sigset_t sigmask;
+      sigset_t original_sigmask;
+      sigemptyset(&sigmask);
+      sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
+

       int select_ret;
       int select_ret;

-      FD_ZERO(&rfds);
-      FD_SET(0, &rfds); 
-      FD_SET(_dpkgin, &rfds);
-      FD_SET(master, &rfds);

       while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
         if(res < 0) {
            // FIXME: move this to a function or something, looks ugly here
       while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
         if(res < 0) {
            // FIXME: move this to a function or something, looks ugly here


@@ -674,140 +813,48 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            signal(SIGINT,old_SIGINT);
            return _error->Errno("waitpid","Couldn't wait for subprocess");
         }
            signal(SIGINT,old_SIGINT);
            return _error->Errno("waitpid","Couldn't wait for subprocess");
         }

-

         // wait for input or output here
         // wait for input or output here

+        FD_ZERO(&rfds);
+        if (!stdin_is_dev_null)
+           FD_SET(0, &rfds); 
+        FD_SET(_dpkgin, &rfds);
+        if(master >= 0)
+           FD_SET(master, &rfds);

         tv.tv_sec = 1;
         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;
-
-        DoStdin(master);
-        DoTerminalPty(master, term_out);
-
-        // FIXME: move this into its own function too
-        //DoDpkgStatusFd();
-        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;
-        }
+        tv.tv_nsec = 0;
+        select_ret = pselect(max(master, _dpkgin)+1, &rfds, NULL, NULL, 
+                             &tv, &original_sigmask);
+        if (select_ret < 0 && (errno == EINVAL || errno == ENOSYS))
+           select_ret = racy_pselect(max(master, _dpkgin)+1, &rfds, NULL,
+                                     NULL, &tv, &original_sigmask);
+        if (select_ret == 0) 
+           continue;
+        else if (select_ret < 0 && errno == EINTR)
+           continue;
+        else if (select_ret < 0) 
+        {
+           perror("select() returned error");
+           continue;
+        } 
+        
+        if(master >= 0 && FD_ISSET(master, &rfds))
+           DoTerminalPty(master);
+        if(master >= 0 && FD_ISSET(0, &rfds))
+           DoStdin(master);
+        if(FD_ISSET(_dpkgin, &rfds))
+           DoDpkgStatusFd(_dpkgin, OutStatusFd);

       }
       close(_dpkgin);
       }
       close(_dpkgin);

-      fclose(term_out);

 
       // Restore sig int/quit
       signal(SIGQUIT,old_SIGQUIT);
       signal(SIGINT,old_SIGINT);
 
 
       // Restore sig int/quit
       signal(SIGQUIT,old_SIGQUIT);
       signal(SIGINT,old_SIGINT);
 

-      tcsetattr(0, TCSAFLUSH, &tt);
+      if(master >= 0) 
+      {
+        tcsetattr(0, TCSAFLUSH, &tt);
+        close(master);
+      }

        
       // Check for an error code.
       if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
        
       // Check for an error code.
       if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)


@@ -827,10 +874,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         else 
            _error->Error("Sub-process %s exited unexpectedly",Args[0]);
 
         else 
            _error->Error("Sub-process %s exited unexpectedly",Args[0]);
 

-        if(stopOnError)
+        if(stopOnError) 
+        {
+           CloseLog();

            return false;
            return false;

+        }

       }      
    }
       }      
    }

+   CloseLog();

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


@@ -845,3 +896,114 @@ void pkgDPkgPM::Reset()
    List.erase(List.begin(),List.end());
 }
                                                                        /*}}}*/
    List.erase(List.begin(),List.end());
 }
                                                                        /*}}}*/

+// pkgDpkgPM::WriteApportReport - write out error report pkg failure   /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) 
+{
+   string pkgname, reportfile, srcpkgname, pkgver, arch;
+   string::size_type pos;
+   FILE *report;
+
+   if (_config->FindB("Dpkg::ApportFailureReport",true) == false)
+      return;
+
+   // only report the first error
+   if(pkgFailures > _config->FindI("APT::Apport::MaxReports", 3))
+      return;
+
+   // get the pkgname and reportfile
+   pkgname = flNotDir(pkgpath);
+   pos = pkgname.find('_');
+   if(pos != string::npos)
+      pkgname = pkgname.substr(0, pos);
+
+   // find the package versin and source package name
+   pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname);
+   if (Pkg.end() == true)
+      return;
+   pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg);
+   if (Ver.end() == true)
+      return;
+   pkgver = Ver.VerStr() == NULL ? "unknown" : Ver.VerStr();
+   pkgRecords Recs(Cache);
+   pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
+   srcpkgname = Parse.SourcePkg();
+   if(srcpkgname.empty())
+      srcpkgname = pkgname;
+
+   // if the file exists already, we check:
+   // - if it was reported already (touched by apport). 
+   //   If not, we do nothing, otherwise
+   //    we overwrite it. This is the same behaviour as apport
+   // - if we have a report with the same pkgversion already
+   //   then we skip it
+   reportfile = flCombine("/var/crash",pkgname+".0.crash");
+   if(FileExists(reportfile))
+   {
+      struct stat buf;
+      char strbuf[255];
+
+      // check atime/mtime
+      stat(reportfile.c_str(), &buf);
+      if(buf.st_mtime > buf.st_atime)
+        return;
+
+      // check if the existing report is the same version
+      report = fopen(reportfile.c_str(),"r");
+      while(fgets(strbuf, sizeof(strbuf), report) != NULL)
+      {
+        if(strstr(strbuf,"Package:") == strbuf)
+        {
+           char pkgname[255], version[255];
+           if(sscanf(strbuf, "Package: %s %s", pkgname, version) == 2)
+              if(strcmp(pkgver.c_str(), version) == 0)
+              {
+                 fclose(report);
+                 return;
+              }
+        }
+      }
+      fclose(report);
+   }
+
+   // now write the report
+   arch = _config->Find("APT::Architecture");
+   report = fopen(reportfile.c_str(),"w");
+   if(report == NULL)
+      return;
+   if(_config->FindB("DPkgPM::InitialReportOnly",false) == true)
+      chmod(reportfile.c_str(), 0);
+   else
+      chmod(reportfile.c_str(), 0600);
+   fprintf(report, "ProblemType: Package\n");
+   fprintf(report, "Architecture: %s\n", arch.c_str());
+   time_t now = time(NULL);
+   fprintf(report, "Date: %s" , ctime(&now));
+   fprintf(report, "Package: %s %s\n", pkgname.c_str(), pkgver.c_str());
+   fprintf(report, "SourcePackage: %s\n", srcpkgname.c_str());
+   fprintf(report, "ErrorMessage:\n %s\n", errormsg);
+
+   // ensure that the log is flushed
+   if(term_out)
+      fflush(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;
+      char buf[1024];
+
+      fprintf(report, "DpkgTerminalLog:\n");
+      log = fopen(logfile_name.c_str(),"r");
+      if(log != NULL)
+      {
+        while( fgets(buf, sizeof(buf), log) != NULL)
+           fprintf(report, " %s", buf);
+        fclose(log);
+      }
+   }
+   fclose(report);
+}
+                                                                       /*}}}*/