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Diff for /loncom/lond between versions 1.411 and 1.418

version 1.411, 2009/02/10 11:31:26 version 1.418, 2009/07/29 22:32:39
Line 142  my @adderrors    = ("ok", Line 142  my @adderrors    = ("ok",
     "lcuseradd Password mismatch");      "lcuseradd Password mismatch");
   
   
   # This array are the errors from lcinstallfile:
   
   my @installerrors = ("ok",
        "Initial user id of client not that of www",
        "Usage error, not enough command line arguments",
        "Source file name does not exist",
        "Destination file name does not exist",
        "Some file operation failed",
        "Invalid table filename."
        );
   
 #  #
 #   Statistics that are maintained and dislayed in the status line.  #   Statistics that are maintained and dislayed in the status line.
Line 398  sub isClient { Line 408  sub isClient {
 #  #
 sub ReadManagerTable {  sub ReadManagerTable {
   
       &Debug("Reading manager table");
     #   Clean out the old table first..      #   Clean out the old table first..
   
    foreach my $key (keys %managers) {     foreach my $key (keys %managers) {
Line 520  sub AdjustHostContents { Line 531  sub AdjustHostContents {
 }  }
 #  #
 #   InstallFile: Called to install an administrative file:  #   InstallFile: Called to install an administrative file:
 #       - The file is created with <name>.tmp  #       - The file is created int a temp directory called <name>.tmp
 #       - The <name>.tmp file is then mv'd to <name>  #       - lcinstall file is called to install the file.
 #   This lugubrious procedure is done to ensure that we are never without  #         since the web app has no direct write access to the table directory
 #   a valid, even if dated, version of the file regardless of who crashes  
 #   and when the crash occurs.  
 #  #
 #  Parameters:  #  Parameters:
 #       Name of the file  #       Name of the file
Line 532  sub AdjustHostContents { Line 541  sub AdjustHostContents {
 #  Return:  #  Return:
 #      nonzero - success.  #      nonzero - success.
 #      0       - failure and $! has an errno.  #      0       - failure and $! has an errno.
   # Assumptions:
   #    File installtion is a relatively infrequent
 #  #
 sub InstallFile {  sub InstallFile {
   
     my ($Filename, $Contents) = @_;      my ($Filename, $Contents) = @_;
     my $TempFile = $Filename.".tmp";  #     my $TempFile = $Filename.".tmp";
       my $exedir = $perlvar{'lonDaemons'};
       my $tmpdir = $exedir.'/tmp/';
       my $TempFile = $tmpdir."TempTableFile.tmp";
   
     #  Open the file for write:      #  Open the file for write:
   
Line 550  sub InstallFile { Line 564  sub InstallFile {
     print $fh ($Contents);       print $fh ($Contents); 
     $fh->close; # In case we ever have a filesystem w. locking      $fh->close; # In case we ever have a filesystem w. locking
   
     chmod(0660, $TempFile);      chmod(0664, $TempFile); # Everyone can write it.
   
     # Now we can move install the file in position.      # Use lcinstall file to put the file in the table directory...
       
     move($TempFile, $Filename);      &Debug("Opening pipe to $exedir/lcinstallfile $TempFile $Filename");
       my $pf = IO::File->new("| $exedir/lcinstallfile   $TempFile $Filename > $exedir/logs/lcinstallfile.log");
       close $pf;
       my $err = $?;
       &Debug("Status is $err");
       if ($err != 0) {
    my $msg = $err;
    if ($err < @installerrors) {
       $msg = $installerrors[$err];
    }
    &logthis("Install failed for table file $Filename : $msg");
    return 0;
       }
   
       # Remove the temp file:
   
       unlink($TempFile);
   
     return 1;      return 1;
 }  }
Line 608  sub ConfigFileFromSelector { Line 638  sub ConfigFileFromSelector {
 sub PushFile {  sub PushFile {
     my $request = shift;          my $request = shift;    
     my ($command, $filename, $contents) = split(":", $request, 3);      my ($command, $filename, $contents) = split(":", $request, 3);
       &Debug("PushFile");
           
     #  At this point in time, pushes for only the following tables are      #  At this point in time, pushes for only the following tables are
     #  supported:      #  supported:
Line 624  sub PushFile { Line 655  sub PushFile {
     if(! (defined $tablefile)) {      if(! (defined $tablefile)) {
  return "refused";   return "refused";
     }      }
     #  
     # >copy< the old table to the backup table  
     #        don't rename in case system crashes/reboots etc. in the time  
     #        window between a rename and write.  
     #  
     my $backupfile = $tablefile;  
     $backupfile    =~ s/\.tab$/.old/;  
     if(!CopyFile($tablefile, $backupfile)) {  
  &logthis('<font color="green"> CopyFile from '.$tablefile." to ".$backupfile." failed </font>");  
  return "error:$!";  
     }  
     &logthis('<font color="green"> Pushfile: backed up '  
     .$tablefile." to $backupfile</font>");  
       
     #  If the file being pushed is the host file, we adjust the entry for ourself so that the      #  If the file being pushed is the host file, we adjust the entry for ourself so that the
     #  IP will be our current IP as looked up in dns.  Note this is only 99% good as it's possible      #  IP will be our current IP as looked up in dns.  Note this is only 99% good as it's possible
     #  to conceive of conditions where we don't have a DNS entry locally.  This is possible in a       #  to conceive of conditions where we don't have a DNS entry locally.  This is possible in a 
Line 650  sub PushFile { Line 668  sub PushFile {
   
     #  Install the new file:      #  Install the new file:
   
       &logthis("Installing new $tablefile contents:\n$contents");
     if(!InstallFile($tablefile, $contents)) {      if(!InstallFile($tablefile, $contents)) {
  &logthis('<font color="red"> Pushfile: unable to install '   &logthis('<font color="red"> Pushfile: unable to install '
  .$tablefile." $! </font>");   .$tablefile." $! </font>");
Line 1203  sub user_authorization_type { Line 1222  sub user_authorization_type {
 #    a reply is written to the client.  #    a reply is written to the client.
 sub push_file_handler {  sub push_file_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
       &Debug("In push file handler");
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     # At this time we only know that the IP of our partner is a valid manager      # At this time we only know that the IP of our partner is a valid manager
Line 1211  sub push_file_handler { Line 1230  sub push_file_handler {
     # spoofing).      # spoofing).
   
     my $cert = &GetCertificate($userinput);      my $cert = &GetCertificate($userinput);
     if(&ValidManager($cert)) {       if(&ValidManager($cert)) {
    &Debug("Valid manager: $client");
   
  # Now presumably we have the bona fides of both the peer host and the   # Now presumably we have the bona fides of both the peer host and the
  # process making the request.   # process making the request.
Line 1220  sub push_file_handler { Line 1240  sub push_file_handler {
  &Reply($client, \$reply, $userinput);   &Reply($client, \$reply, $userinput);
   
     } else {      } else {
    &logthis("push_file_handler $client is not valid");
  &Failure( $client, "refused\n", $userinput);   &Failure( $client, "refused\n", $userinput);
     }       } 
     return 1;      return 1;
Line 1624  sub server_timezone_handler { Line 1645  sub server_timezone_handler {
 }  }
 &register_handler("servertimezone", \&server_timezone_handler, 0, 1, 0);  &register_handler("servertimezone", \&server_timezone_handler, 0, 1, 0);
   
   sub server_loncaparev_handler {
       my ($cmd,$tail,$client) = @_;
       my $userinput = "$cmd:$tail";
       &Reply($client,\$perlvar{'lonVersion'},$userinput);
       return 1;
   }
   &register_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0);
   
 #   Process a reinit request.  Reinit requests that either  #   Process a reinit request.  Reinit requests that either
 #   lonc or lond be reinitialized so that an updated   #   lonc or lond be reinitialized so that an updated 
 #   host.tab or domain.tab can be processed.  #   host.tab or domain.tab can be processed.
Line 3645  sub put_course_id_hash_handler { Line 3674  sub put_course_id_hash_handler {
 #                            will be returned. Pre-2.2.0 legacy entries from   #                            will be returned. Pre-2.2.0 legacy entries from 
 #                            nohist_courseiddump will only contain usernames.  #                            nohist_courseiddump will only contain usernames.
 #                 type     - optional parameter for selection   #                 type     - optional parameter for selection 
 #                 regexp_ok - if true, allow the supplied institutional code  #                 regexp_ok - if 1 or -1 allow the supplied institutional code
 #                            filter to behave as a regular expression.    #                            filter to behave as a regular expression:
   #                      1 will not exclude the course if the instcode matches the RE 
   #                            -1 will exclude the course if the instcode matches the RE
 #                 rtn_as_hash - whether to return the information available for  #                 rtn_as_hash - whether to return the information available for
 #                            each matched item as a frozen hash of all   #                            each matched item as a frozen hash of all 
 #                            key, value pairs in the item's hash, or as a   #                            key, value pairs in the item's hash, or as a 
Line 3800  sub dump_course_id_handler { Line 3831  sub dump_course_id_handler {
                 if (!$is_hash) {                  if (!$is_hash) {
                     $unesc_val{'inst_code'} = &unescape($val{'inst_code'});                      $unesc_val{'inst_code'} = &unescape($val{'inst_code'});
                 }                  }
                 if ($regexp_ok) {                  if ($regexp_ok == 1) {
                     if (eval{$unesc_val{'inst_code'} !~ /$instcodefilter/}) {                      if (eval{$unesc_val{'inst_code'} !~ /$instcodefilter/}) {
                         $match = 0;                          $match = 0;
                     }                      }
                   } elsif ($regexp_ok == -1) {
                       if (eval{$unesc_val{'inst_code'} =~ /$instcodefilter/}) {
                           $match = 0;
                       }
                 } else {                  } else {
                     if (eval{$unesc_val{'inst_code'} !~ /\Q$instcodefilter\E/i}) {                      if (eval{$unesc_val{'inst_code'} !~ /\Q$instcodefilter\E/i}) {
                         $match = 0;                          $match = 0;
Line 4314  sub dump_domainroles_handler { Line 4349  sub dump_domainroles_handler {
             my ($start,$end) = split(/:/,&unescape($value));              my ($start,$end) = split(/:/,&unescape($value));
             my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,&unescape($key));              my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,&unescape($key));
             unless ($startfilter eq '.' || !defined($startfilter)) {              unless ($startfilter eq '.' || !defined($startfilter)) {
                 if ($start >= $startfilter) {                  if ((defined($start)) && ($start >= $startfilter)) {
                     $match = 0;                      $match = 0;
                 }                  }
             }              }
             unless ($endfilter eq '.' || !defined($endfilter)) {              unless ($endfilter eq '.' || !defined($endfilter)) {
                 if ($end <= $endfilter) {                  if ((defined($end)) && ($end <= $endfilter)) {
                     $match = 0;                      $match = 0;
                 }                  }
             }              }
Line 4612  sub enrollment_enabled_handler { Line 4647  sub enrollment_enabled_handler {
 }  }
 &register_handler("autorun", \&enrollment_enabled_handler, 0, 1, 0);  &register_handler("autorun", \&enrollment_enabled_handler, 0, 1, 0);
   
   #
   #   Validate an institutional code use for a LON-CAPA course.          
   #
   # Formal Parameters:
   #   $cmd          - The command request that got us dispatched.
   #   $tail         - The tail of the command.  In this case,
   #                   this is a colon separated set of words that will be split
   #                   into:
   #                        $inst_course_id - The institutional cod3 from the
   #                                          institutions point of view.
   #                        $cdom           - The domain from the institutions
   #                                          point of view.
   #   $client       - Socket open on the client.
   # Returns:
   #    1           - Indicating processing should continue.
   #
   sub validate_instcode_handler {
       my ($cmd, $tail, $client) = @_;
       my $userinput = "$cmd:$tail";
       my ($dom,$instcode,$owner) = split(/:/, $tail);
       my $outcome=&localenroll::validate_instcode($dom,$instcode,$owner);
       &Reply($client, \$outcome, $userinput);
   
       return 1;
   }
   &register_handler("autovalidateinstcode", \&validate_instcode_handler, 0, 1, 0);
   
 #   Get the official sections for which auto-enrollment is possible.  #   Get the official sections for which auto-enrollment is possible.
 #   Since the admin people won't know about 'unofficial sections'   #   Since the admin people won't know about 'unofficial sections' 
 #   we cannot auto-enroll on them.  #   we cannot auto-enroll on them.
Line 4899  sub get_institutional_defaults_handler { Line 4961  sub get_institutional_defaults_handler {
 &register_handler("autoinstcodedefaults",  &register_handler("autoinstcodedefaults",
                   \&get_institutional_defaults_handler,0,1,0);                    \&get_institutional_defaults_handler,0,1,0);
   
   sub get_possible_instcodes_handler {
       my ($cmd, $tail, $client)   = @_;
       my $userinput               = "$cmd:$tail";
   
       my $reply;
       my $cdom = $tail;
       my (@codetitles,%cat_titles,%cat_order,@code_order);
       my $formatreply = &localenroll::possible_instcodes($cdom,
                                                          \@codetitles,
                                                          \%cat_titles,
                                                          \%cat_order,
                                                          \@code_order);
       if ($formatreply eq 'ok') {
           my $result = join('&',map {&escape($_);} (@codetitles)).':';
           $result .= join('&',map {&escape($_);} (@code_order)).':';
           foreach my $key (keys(%cat_titles)) {
               $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($cat_titles{$key}).'&';
           }
           $result =~ s/\&$//;
           $result .= ':';
           foreach my $key (keys(%cat_order)) {
               $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($cat_order{$key}).'&';
           }
           $result =~ s/\&$//;
           &Reply($client,\$result,$userinput);
       } else {
           &Reply($client, "format_error\n", $userinput);
       }
       return 1;
   }
   &register_handler("autopossibleinstcodes",
                     \&get_possible_instcodes_handler,0,1,0);
   
 sub get_institutional_user_rules {  sub get_institutional_user_rules {
     my ($cmd, $tail, $client)   = @_;      my ($cmd, $tail, $client)   = @_;
     my $userinput               = "$cmd:$tail";      my $userinput               = "$cmd:$tail";
Line 5981  sub make_new_child { Line 6076  sub make_new_child {
  if ($clientip eq '127.0.0.1') {   if ($clientip eq '127.0.0.1') {
     $outsideip=&Apache::lonnet::get_host_ip($perlvar{'lonHostID'});      $outsideip=&Apache::lonnet::get_host_ip($perlvar{'lonHostID'});
  }   }
    &ReadManagerTable();
  my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip));   my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip));
  my $ismanager=($managers{$outsideip}    ne undef);   my $ismanager=($managers{$outsideip}    ne undef);
  $clientname  = "[unknonwn]";   $clientname  = "[unknonwn]";
Removed from v.1.411  
changed lines
  Added in v.1.418

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