* apt-ftparchive might write corrupt Release files (LP: #46439)

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

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 11bf827d7082e7255eae313f14cf6dc90584a4fe..85cf4e11933ab6ce653ff82f8e63e71e3dac5460 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -14,6 +14,7 @@
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/strutl.h>
 #include <apti18n.h>
 #include <apt-pkg/depcache.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>


@@ -24,6 +25,8 @@
 #include <signal.h>
 #include <errno.h>
 #include <stdio.h>
 #include <signal.h>
 #include <errno.h>
 #include <stdio.h>

+#include <string.h>
+#include <algorithm>

 #include <sstream>
 #include <map>
 
 #include <sstream>
 #include <map>
 


@@ -38,7 +41,38 @@
 
 using namespace std;
 
 
 using namespace std;
 

-
+namespace
+{
+  // Maps the dpkg "processing" info to human readable names.  Entry 0
+  // of each array is the key, entry 1 is the value.
+  const std::pair<const char *, const char *> PackageProcessingOps[] = {
+    std::make_pair("install",   N_("Installing %s")),
+    std::make_pair("configure", N_("Configuring %s")),
+    std::make_pair("remove",    N_("Removing %s")),
+    std::make_pair("trigproc",  N_("Running post-installation trigger %s"))
+  };
+
+  const std::pair<const char *, const char *> * const PackageProcessingOpsBegin = PackageProcessingOps;
+  const std::pair<const char *, const char *> * const PackageProcessingOpsEnd   = PackageProcessingOps + sizeof(PackageProcessingOps) / sizeof(PackageProcessingOps[0]);
+
+  // Predicate to test whether an entry in the PackageProcessingOps
+  // array matches a string.
+  class MatchProcessingOp
+  {
+    const char *target;
+
+  public:
+    MatchProcessingOp(const char *the_target)
+      : target(the_target)
+    {
+    }
+
+    bool operator()(const std::pair<const char *, const char *> &pair) const
+    {
+      return strcmp(pair.first, target) == 0;
+    }
+  };
+}

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


@@ -95,68 +129,6 @@ 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


@@ -394,6 +366,12 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
       '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
       '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

+      
+      Newer versions of dpkg sent also:
+      'processing: install: pkg'
+      'processing: configure: pkg'
+      'processing: remove: pkg'
+      'processing: trigproc: trigger'

            
    */
    char* list[5];
            
    */
    char* list[5];


@@ -412,6 +390,36 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
    char *pkg = list[1];
    char *action = _strstrip(list[2]);
 
    char *pkg = list[1];
    char *action = _strstrip(list[2]);
 

+   // 'processing' from dpkg looks like
+   // 'processing: action: pkg'
+   if(strncmp(list[0], "processing", strlen("processing")) == 0)
+   {
+      char s[200];
+      char *pkg_or_trigger = _strstrip(list[2]);
+      action =_strstrip( list[1]);
+      const std::pair<const char *, const char *> * const iter =
+       std::find_if(PackageProcessingOpsBegin,
+                    PackageProcessingOpsEnd,
+                    MatchProcessingOp(action));
+      if(iter == PackageProcessingOpsEnd)
+      {
+        if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+           std::clog << "ignoring unknwon action: " << action << std::endl;
+        return;
+      }
+      snprintf(s, sizeof(s), _(iter->second), pkg_or_trigger);
+
+      status << "pmstatus:" << pkg_or_trigger
+            << ":"  << (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;
+      return;
+   }
+

    if(strncmp(action,"error",strlen("error")) == 0)
    {
       status << "pmerror:" << list[1]
    if(strncmp(action,"error",strlen("error")) == 0)
    {
       status << "pmerror:" << list[1]


@@ -523,7 +531,7 @@ bool pkgDPkgPM::OpenLog()
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "\nLog started: ");
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "\nLog started: ");

-      fprintf(term_out, outstr);
+      fprintf(term_out, "%s", outstr);

       fprintf(term_out, "\n");
    }
    return true;
       fprintf(term_out, "\n");
    }
    return true;


@@ -538,7 +546,7 @@ bool pkgDPkgPM::CloseLog()
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "Log ended: ");
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "Log ended: ");

-      fprintf(term_out, outstr);
+      fprintf(term_out, "%s", outstr);

       fprintf(term_out, "\n");
       fclose(term_out);
    }
       fprintf(term_out, "\n");
       fclose(term_out);
    }


@@ -581,13 +589,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 {
    unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);   
    unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
 {
    unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);   
    unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);

+   bool NoTriggers = _config->FindB("DPkg::NoTriggers",false);

 
    if (RunScripts("DPkg::Pre-Invoke") == false)
       return false;
 
    if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
       return false;
 
    if (RunScripts("DPkg::Pre-Invoke") == false)
       return false;
 
    if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
       return false;

-   
+

    // 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[][7] = {
    // 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[][7] = {


@@ -710,6 +719,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         
         case Item::Configure:
         Args[n++] = "--configure";
         
         case Item::Configure:
         Args[n++] = "--configure";

+        if (NoTriggers)
+           Args[n++] = "--no-triggers";

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


@@ -763,14 +774,16 @@ 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) 

       {
         const char *s = _("Can not write log, openpty() "
                           "failed (/dev/pts not mounted?)\n");
       {
         const char *s = _("Can not write log, openpty() "
                           "failed (/dev/pts not mounted?)\n");


@@ -943,6 +956,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;
 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;

+
+   Cache.writeStateFile(NULL);

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/