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Diff for /loncom/lond between versions 1.179 and 1.193

version 1.179, 2004/02/24 16:53:16 version 1.193, 2004/06/08 22:09:44
Line 45  use Authen::Krb4; Line 45  use Authen::Krb4;
 use Authen::Krb5;  use Authen::Krb5;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use localauth;  use localauth;
   use localenroll;
 use File::Copy;  use File::Copy;
 use LONCAPA::ConfigFileEdit;  use LONCAPA::ConfigFileEdit;
   
Line 225  sub ValidManager { Line 226  sub ValidManager {
 #     1   - Success.  #     1   - Success.
 #  #
 sub CopyFile {  sub CopyFile {
     my $oldfile = shift;  
     my $newfile = shift;      my ($oldfile, $newfile) = @_;
   
     #  The file must exist:      #  The file must exist:
   
Line 326  sub AdjustHostContents { Line 327  sub AdjustHostContents {
 #      0       - failure and $! has an errno.  #      0       - failure and $! has an errno.
 #  #
 sub InstallFile {  sub InstallFile {
     my $Filename = shift;  
     my $Contents = shift;      my ($Filename, $Contents) = @_;
     my $TempFile = $Filename.".tmp";      my $TempFile = $Filename.".tmp";
   
     #  Open the file for write:      #  Open the file for write:
Line 564  sub isValidEditCommand { Line 565  sub isValidEditCommand {
 #                  file being edited.  #                  file being edited.
 #  #
 sub ApplyEdit {  sub ApplyEdit {
     my $directive   = shift;  
     my $editor      = shift;      my ($directive, $editor) = @_;
   
     # Break the directive down into its command and its parameters      # Break the directive down into its command and its parameters
     # (at most two at this point.  The meaning of the parameters, if in fact      # (at most two at this point.  The meaning of the parameters, if in fact
Line 649  sub AdjustOurHost { Line 650  sub AdjustOurHost {
 #        editor     - Editor containing the file.  #        editor     - Editor containing the file.
 #  #
 sub ReplaceConfigFile {  sub ReplaceConfigFile {
     my $filename  = shift;      
     my $editor    = shift;      my ($filename, $editor) = @_;
   
     CopyFile ($filename, $filename.".old");      CopyFile ($filename, $filename.".old");
   
Line 749  sub catchexception { Line 750  sub catchexception {
     $SIG{'QUIT'}='DEFAULT';      $SIG{'QUIT'}='DEFAULT';
     $SIG{__DIE__}='DEFAULT';      $SIG{__DIE__}='DEFAULT';
     &status("Catching exception");      &status("Catching exception");
     &logthis("<font color=red>CRITICAL: "      &logthis("<font color='red'>CRITICAL: "
      ."ABNORMAL EXIT. Child $$ for server $thisserver died through "       ."ABNORMAL EXIT. Child $$ for server $thisserver died through "
      ."a crash with this error msg->[$error]</font>");       ."a crash with this error msg->[$error]</font>");
     &logthis('Famous last words: '.$status.' - '.$lastlog);      &logthis('Famous last words: '.$status.' - '.$lastlog);
Line 760  sub catchexception { Line 761  sub catchexception {
   
 sub timeout {  sub timeout {
     &status("Handling Timeout");      &status("Handling Timeout");
     &logthis("<font color=ref>CRITICAL: TIME OUT ".$$."</font>");      &logthis("<font color='red'>CRITICAL: TIME OUT ".$$."</font>");
     &catchexception('Timeout');      &catchexception('Timeout');
 }  }
 # -------------------------------- Set signal handlers to record abnormal exits  # -------------------------------- Set signal handlers to record abnormal exits
Line 822  sub REAPER {                        # ta Line 823  sub REAPER {                        # ta
  if (defined($children{$pid})) {   if (defined($children{$pid})) {
     &logthis("Child $pid died");      &logthis("Child $pid died");
     delete($children{$pid});      delete($children{$pid});
  } else {   } elsif ($pid > 0) {
     &logthis("Unknown Child $pid died");      &logthis("Unknown Child $pid died");
  }   }
     } while ( $pid > 0 );      } while ( $pid > 0 );
Line 843  sub HUNTSMAN {                      # si Line 844  sub HUNTSMAN {                      # si
     &logthis("Free socket: ".shutdown($server,2)); # free up socket      &logthis("Free socket: ".shutdown($server,2)); # free up socket
     my $execdir=$perlvar{'lonDaemons'};      my $execdir=$perlvar{'lonDaemons'};
     unlink("$execdir/logs/lond.pid");      unlink("$execdir/logs/lond.pid");
     &logthis("<font color=red>CRITICAL: Shutting down</font>");      &logthis("<font color='red'>CRITICAL: Shutting down</font>");
     &status("Done killing children");      &status("Done killing children");
     exit;                           # clean up with dignity      exit;                           # clean up with dignity
 }  }
Line 853  sub HUPSMAN {                      # sig Line 854  sub HUPSMAN {                      # sig
     &status("Killing children for restart (HUP)");      &status("Killing children for restart (HUP)");
     kill 'INT' => keys %children;      kill 'INT' => keys %children;
     &logthis("Free socket: ".shutdown($server,2)); # free up socket      &logthis("Free socket: ".shutdown($server,2)); # free up socket
     &logthis("<font color=red>CRITICAL: Restarting</font>");      &logthis("<font color='red'>CRITICAL: Restarting</font>");
     my $execdir=$perlvar{'lonDaemons'};      my $execdir=$perlvar{'lonDaemons'};
     unlink("$execdir/logs/lond.pid");      unlink("$execdir/logs/lond.pid");
     &status("Restarting self (HUP)");      &status("Restarting self (HUP)");
Line 1015  sub Debug { Line 1016  sub Debug {
 #     request - Original request from client.  #     request - Original request from client.
 #  #
 sub Reply {  sub Reply {
     my $fd      = shift;  
     my $reply   = shift;      my ($fd, $reply, $request) = @_;
     my $request = shift;  
   
     print $fd $reply;      print $fd $reply;
     Debug("Request was $request  Reply was $reply");      Debug("Request was $request  Reply was $reply");
Line 1095  sub reconlonc { Line 1095  sub reconlonc {
             kill USR1 => $loncpid;              kill USR1 => $loncpid;
         } else {          } else {
     &logthis(      &logthis(
               "<font color=red>CRITICAL: "                "<font color='red'>CRITICAL: "
              ."lonc at pid $loncpid not responding, giving up</font>");               ."lonc at pid $loncpid not responding, giving up</font>");
         }          }
     } else {      } else {
       &logthis('<font color=red>CRITICAL: lonc not running, giving up</font>');        &logthis('<font color="red">CRITICAL: lonc not running, giving up</font>');
     }      }
 }  }
   
Line 1203  my $execdir=$perlvar{'lonDaemons'}; Line 1203  my $execdir=$perlvar{'lonDaemons'};
 open (PIDSAVE,">$execdir/logs/lond.pid");  open (PIDSAVE,">$execdir/logs/lond.pid");
 print PIDSAVE "$$\n";  print PIDSAVE "$$\n";
 close(PIDSAVE);  close(PIDSAVE);
 &logthis("<font color=red>CRITICAL: ---------- Starting ----------</font>");  &logthis("<font color='red'>CRITICAL: ---------- Starting ----------</font>");
 &status('Starting');  &status('Starting');
   
   
Line 1258  sub make_new_child { Line 1258  sub make_new_child {
     #  the pid hash.      #  the pid hash.
     #      #
     my $caller = getpeername($client);      my $caller = getpeername($client);
     my ($port,$iaddr)=unpack_sockaddr_in($caller);      my ($port,$iaddr);
     $clientip=inet_ntoa($iaddr);      if (defined($caller) && length($caller) > 0) {
    ($port,$iaddr)=unpack_sockaddr_in($caller);
       } else {
    &logthis("Unable to determine who caller was, getpeername returned nothing");
       }
       if (defined($iaddr)) {
    $clientip=inet_ntoa($iaddr);
       } else {
    &logthis("Unable to determine clinetip");
    $clientip='Unavailable';
       }
           
     if ($pid) {      if ($pid) {
         # Parent records the child's birth and returns.          # Parent records the child's birth and returns.
Line 1330  sub make_new_child { Line 1340  sub make_new_child {
     print $client "ok\n";      print $client "ok\n";
  } else {   } else {
     &logthis(      &logthis(
      "<font color=blue>WARNING: $clientip did not reply challenge</font>");       "<font color='blue'>WARNING: $clientip did not reply challenge</font>");
     &status('No challenge reply '.$clientip);      &status('No challenge reply '.$clientip);
  }   }
     } else {      } else {
  &logthis(   &logthis(
  "<font color=blue>WARNING: "   "<font color='blue'>WARNING: "
  ."$clientip failed to initialize: >$remotereq< </font>");   ."$clientip failed to initialize: >$remotereq< </font>");
  &status('No init '.$clientip);   &status('No init '.$clientip);
     }      }
  } else {   } else {
     &logthis(      &logthis(
      "<font color=blue>WARNING: Unknown client $clientip</font>");       "<font color='blue'>WARNING: Unknown client $clientip</font>");
     &status('Hung up on '.$clientip);      &status('Hung up on '.$clientip);
  }   }
  if ($clientok) {   if ($clientok) {
Line 1355  sub make_new_child { Line 1365  sub make_new_child {
  }   }
  &reconlonc("$perlvar{'lonSockDir'}/$id");   &reconlonc("$perlvar{'lonSockDir'}/$id");
     }      }
     &logthis("<font color=green>Established connection: $clientname</font>");      &logthis("<font color='green'>Established connection: $clientname</font>");
     &status('Will listen to '.$clientname);      &status('Will listen to '.$clientname);
 # ------------------------------------------------------------ Process requests  # ------------------------------------------------------------ Process requests
     while (my $userinput=<$client>) {      while (my $userinput=<$client>) {
Line 1552  sub make_new_child { Line 1562  sub make_new_child {
  $pwdcorrect=0;    $pwdcorrect=0; 
  # log error if it is not a bad password   # log error if it is not a bad password
  if ($krb4_error != 62) {   if ($krb4_error != 62) {
     &logthis('krb4:'.$uname.','.$contentpwd.','.      &logthis('krb4:'.$uname.','.
      &Authen::Krb4::get_err_txt($Authen::Krb4::error));       &Authen::Krb4::get_err_txt($Authen::Krb4::error));
  }   }
     }      }
Line 1818  sub make_new_child { Line 1828  sub make_new_child {
  } elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc.   } elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc.
     if(isClient) {      if(isClient) {
  my ($cmd,$fname)=split(/:/,$userinput);   my ($cmd,$fname)=split(/:/,$userinput);
  my ($udom,$uname,$ufile)=split(/\//,$fname);   my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|);
  my $udir=propath($udom,$uname).'/userfiles';   my $udir=propath($udom,$uname).'/userfiles';
  unless (-e $udir) { mkdir($udir,0770); }   unless (-e $udir) { mkdir($udir,0770); }
  if (-e $udir) {   if (-e $udir) {
     $ufile=~s/^[\.\~]+//;                              $ufile=~s/^[\.\~]+//;
     $ufile=~s/\///g;                              my $path = $udir;
                               if ($ufile =~m|(.+)/([^/]+)$|) {
                                   my @parts=split('/',$1);
                                   foreach my $part (@parts) {
                                       $path .= '/'.$part;
                                       if ((-e $path)!=1) {
                                           mkdir($path,0770);
                                       }
                                   }
                               }
     my $destname=$udir.'/'.$ufile;      my $destname=$udir.'/'.$ufile;
     my $transname=$udir.'/'.$ufile.'.in.transit';      my $transname=$udir.'/'.$ufile.'.in.transit';
     my $remoteurl='http://'.$clientip.'/userfiles/'.$fname;      my $remoteurl='http://'.$clientip.'/userfiles/'.$fname;
Line 1852  sub make_new_child { Line 1871  sub make_new_child {
  }   }
     } else {      } else {
  Reply($client, "refused\n", $userinput);   Reply($client, "refused\n", $userinput);
       }
   # --------------------------------------------------------- remove a user file 
    } elsif ($userinput =~ /^removeuserfile/) { # Client clear or enc.
       if(isClient) {
    my ($cmd,$fname)=split(/:/,$userinput);
    my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|);
    &logthis("$udom - $uname - $ufile");
    if ($ufile =~m|/\.\./|) {
       # any files paths with /../ in them refuse 
                               # to deal with
       print $client "refused\n";
    } else {
       my $udir=propath($udom,$uname);
       if (-e $udir) {
    my $file=$udir.'/userfiles/'.$ufile;
    if (-e $file) {
       unlink($file);
       if (-e $file) {
    print $client "failed\n";
       } else {
    print $client "ok\n";
       }
    } else {
       print $client "not_found\n";
    }
       } else {
    print $client "not_home\n";
       }
    }
       } else {
    Reply($client, "refused\n", $userinput);
     }      }
 # ------------------------------------------ authenticate access to a user file  # ------------------------------------------ authenticate access to a user file
  } elsif ($userinput =~ /^tokenauthuserfile/) { # Client only   } elsif ($userinput =~ /^tokenauthuserfile/) { # Client only
Line 1863  sub make_new_child { Line 1912  sub make_new_child {
  if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'.   if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'.
  $session.'.id')) {   $session.'.id')) {
     while (my $line=<ENVIN>) {      while (my $line=<ENVIN>) {
  if ($line=~/userfile\.$fname\=/) { $reply='ok'; }   if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply='ok'; }
     }      }
     close(ENVIN);      close(ENVIN);
     print $client $reply."\n";      print $client $reply."\n";
Line 1879  sub make_new_child { Line 1928  sub make_new_child {
     if(isClient) {      if(isClient) {
  my ($cmd,$fname)=split(/:/,$userinput);   my ($cmd,$fname)=split(/:/,$userinput);
  if (-e $fname) {   if (-e $fname) {
     print $client &unsub($client,$fname,$clientip);      print $client &unsub($fname,$clientip);
  } else {   } else {
     print $client "not_found\n";      print $client "not_found\n";
  }   }
Line 2006  sub make_new_child { Line 2055  sub make_new_child {
  } else {   } else {
     print $client "error: ".($!+0)      print $client "error: ".($!+0)
  ." untie(GDBM) failed ".   ." untie(GDBM) failed ".
  "while attempting put\n";   "while attempting inc\n";
  }   }
     } else {      } else {
  print $client "error: ".($!)   print $client "error: ".($!)
     ." tie(GDBM) Failed ".      ." tie(GDBM) Failed ".
     "while attempting put\n";      "while attempting inc\n";
     }      }
  } else {   } else {
     print $client "refused\n";      print $client "refused\n";
Line 2484  sub make_new_child { Line 2533  sub make_new_child {
     }      }
 # ------------------------------------------------------------------- querysend  # ------------------------------------------------------------------- querysend
  } elsif ($userinput =~ /^querysend/) {   } elsif ($userinput =~ /^querysend/) {
     if(isClient) {      if (isClient) {
  my ($cmd,$query,   my ($cmd,$query,
     $arg1,$arg2,$arg3)=split(/\:/,$userinput);      $arg1,$arg2,$arg3)=split(/\:/,$userinput);
  $query=~s/\n*$//g;   $query=~s/\n*$//g;
Line 2574  sub make_new_child { Line 2623  sub make_new_child {
     $qresult.=$key.'='.$descr.'&';      $qresult.=$key.'='.$descr.'&';
  } else {   } else {
     my $unescapeVal = &unescape($descr);      my $unescapeVal = &unescape($descr);
     if (eval('$unescapeVal=~/$description/i')) {      if (eval('$unescapeVal=~/\Q$description\E/i')) {
  $qresult.="$key=$descr&";   $qresult.="$key=$descr&";
     }      }
  }   }
Line 2815  sub make_new_child { Line 2864  sub make_new_child {
     } else {      } else {
  print $client "refused\n";   print $client "refused\n";
     }      }
   #------------------------------- is auto-enrollment enabled?
                   } elsif ($userinput =~/^autorun/) {
                       if (isClient) {
                           my $outcome = &localenroll::run();
                           print $client "$outcome\n";
                       } else {
                           print $client "0\n";
                       }
   #------------------------------- get official sections (for auto-enrollment).
                   } elsif ($userinput =~/^autogetsections/) {
                       if (isClient) {
                           my ($cmd,$coursecode)=split(/:/,$userinput);
                           my @secs = &localenroll::get_sections($coursecode);
                           my $seclist = &escape(join(':',@secs));
                           print $client "$seclist\n";
                       } else {
                           print $client "refused\n";
                       }
   #----------------------- validate owner of new course section (for auto-enrollment).
                   } elsif ($userinput =~/^autonewcourse/) {
                       if (isClient) {
                           my ($cmd,$course_id,$owner)=split(/:/,$userinput);
                           my $outcome = &localenroll::new_course($course_id,$owner);
                           print $client "$outcome\n";
                       } else {
                           print $client "refused\n";
                       }
   #-------------- validate course section in schedule of classes (for auto-enrollment).
                   } elsif ($userinput =~/^autovalidatecourse/) {
                       if (isClient) {
                           my ($cmd,$course_id)=split(/:/,$userinput);
                           my $outcome=&localenroll::validate_courseID($course_id);
                           print $client "$outcome\n";
                       } else {
                           print $client "refused\n";
                       }
   #--------------------------- create password for new user (for auto-enrollment).
                   } elsif ($userinput =~/^autocreatepassword/) {
                       if (isClient) {
                           my ($cmd,$authparam)=split(/:/,$userinput);
                           my ($create_passwd,$authchk) = @_;
                           ($authparam,$create_passwd,$authchk) = &localenroll::create_password($authparam);
                           print $client &escape($authparam.':'.$create_passwd.':'.$authchk)."\n";
                       } else {
                           print $client "refused\n";
                       }
   #---------------------------  read and remove temporary files (for auto-enrollment).
                   } elsif ($userinput =~/^autoretrieve/) {
                       if (isClient) {
                           my ($cmd,$filename) = split(/:/,$userinput);
                           my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
                           if ( (-e $source) && ($filename ne '') ) {
                               my $reply = '';
                               if (open(my $fh,$source)) {
                                   while (<$fh>) {
                                       chomp($_);
                                       $_ =~ s/^\s+//g;
                                       $_ =~ s/\s+$//g;
                                       $reply .= $_;
                                   }
                                   close($fh);
                                   print $client &escape($reply)."\n";
   #                                unlink($source);
                               } else {
                                   print $client "error\n";
                               }
                           } else {
                               print $client "error\n";
                           }
                       } else {
                           print $client "refused\n";
                       }
 # ------------------------------------------------------------- unknown command  # ------------------------------------------------------------- unknown command
   
  } else {   } else {
Line 2829  sub make_new_child { Line 2950  sub make_new_child {
  } else {   } else {
     print $client "refused\n";      print $client "refused\n";
     $client->close();      $client->close();
     &logthis("<font color=blue>WARNING: "      &logthis("<font color='blue'>WARNING: "
      ."Rejected client $clientip, closing connection</font>");       ."Rejected client $clientip, closing connection</font>");
  }   }
     }                   }             
           
 # =============================================================================  # =============================================================================
           
     &logthis("<font color=red>CRITICAL: "      &logthis("<font color='red'>CRITICAL: "
      ."Disconnect from $clientip ($clientname)</font>");           ."Disconnect from $clientip ($clientname)</font>");    
           
           
Line 2861  sub make_new_child { Line 2982  sub make_new_child {
 #  #
 sub ManagePermissions  sub ManagePermissions
 {  {
     my $request = shift;  
     my $domain  = shift;      my ($request, $domain, $user, $authtype) = @_;
     my $user    = shift;  
     my $authtype= shift;  
   
     # See if the request is of the form /$domain/_au      # See if the request is of the form /$domain/_au
     if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput...      if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput...
Line 2881  sub ManagePermissions Line 3000  sub ManagePermissions
 #  #
 sub GetAuthType   sub GetAuthType 
 {  {
     my $domain = shift;  
     my $user   = shift;      my ($domain, $user)  = @_;
   
     Debug("GetAuthType( $domain, $user ) \n");      Debug("GetAuthType( $domain, $user ) \n");
     my $proname    = &propath($domain, $user);       my $proname    = &propath($domain, $user); 
Line 2991  sub chatadd { Line 3110  sub chatadd {
 sub unsub {  sub unsub {
     my ($fname,$clientip)=@_;      my ($fname,$clientip)=@_;
     my $result;      my $result;
       my $unsubs = 0; # Number of successful unsubscribes:
   
   
       # An old way subscriptions were handled was to have a 
       # subscription marker file:
   
       Debug("Attempting unlink of $fname.$clientname");
     if (unlink("$fname.$clientname")) {      if (unlink("$fname.$clientname")) {
  $result="ok\n";   $unsubs++; # Successful unsub via marker file.
     } else {      } 
  $result="not_subscribed\n";  
     }      # The more modern way to do it is to have a subscription list
       # file:
   
     if (-e "$fname.subscription") {      if (-e "$fname.subscription") {
  my $found=&addline($fname,$clientname,$clientip,'');   my $found=&addline($fname,$clientname,$clientip,'');
  if ($found) { $result="ok\n"; }   if ($found) { 
       $unsubs++;
    }
       } 
   
       #  If either or both of these mechanisms succeeded in unsubscribing a 
       #  resource we can return ok:
   
       if($unsubs) {
    $result = "ok\n";
     } else {      } else {
  if ($result != "ok\n") { $result="not_subscribed\n"; }   $result = "not_subscribed\n";
     }      }
   
     return $result;      return $result;
 }  }
   
Line 3123  sub make_passwd_file { Line 3261  sub make_passwd_file {
  }   }
     } elsif ($umode eq 'unix') {      } elsif ($umode eq 'unix') {
  {   {
       #
       #  Don't allow the creation of privileged accounts!!! that would
       #  be real bad!!!
       #
       my $uid = getpwnam($uname);
       if((defined $uid) && ($uid == 0)) {
    &logthis(">>>Attempted to create privilged account blocked");
    return "no_priv_account_error\n";
       }
   
     my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd";      my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd";
     {      {
  &Debug("Executing external: ".$execpath);   &Debug("Executing external: ".$execpath);
Removed from v.1.179  
changed lines
  Added in v.1.193

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