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Diff for /loncom/lond between versions 1.466 and 1.502

version 1.466, 2010/11/12 21:52:51 version 1.502, 2013/08/10 01:27:31
Line 15 Line 15
 #  #
 # LON-CAPA is distributed in the hope that it will be useful,  # LON-CAPA is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of  # but WITHOUT ANY WARRANTY; without even the implied warranty of
   
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.  # GNU General Public License for more details.
 #  #
Line 33  use strict; Line 34  use strict;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use LONCAPA;  use LONCAPA;
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use LONCAPA::Lond;
   
 use IO::Socket;  use IO::Socket;
 use IO::File;  use IO::File;
Line 52  use LONCAPA::lonlocal; Line 54  use LONCAPA::lonlocal;
 use LONCAPA::lonssl;  use LONCAPA::lonssl;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
 use Apache::lonnet;  use Apache::lonnet;
   use Mail::Send;
   
 my $DEBUG = 0;       # Non zero to enable debug log entries.  my $DEBUG = 0;       # Non zero to enable debug log entries.
   
Line 90  my %managers;   # Ip -> manager names Line 93  my %managers;   # Ip -> manager names
   
 my %perlvar; # Will have the apache conf defined perl vars.  my %perlvar; # Will have the apache conf defined perl vars.
   
   my $dist;
   
 #  #
 #   The hash below is used for command dispatching, and is therefore keyed on the request keyword.  #   The hash below is used for command dispatching, and is therefore keyed on the request keyword.
 #    Each element of the hash contains a reference to an array that contains:  #    Each element of the hash contains a reference to an array that contains:
Line 125  my @passwderrors = ("ok", Line 130  my @passwderrors = ("ok",
    "pwchange_failure - lcpasswd Error filename is invalid");     "pwchange_failure - lcpasswd Error filename is invalid");
   
   
 #  The array below are lcuseradd error strings.:  
   
 my $lastadderror = 13;  
 my @adderrors    = ("ok",  
     "User ID mismatch, lcuseradd must run as user www",  
     "lcuseradd Incorrect number of command line parameters must be 3",  
     "lcuseradd Incorrect number of stdinput lines, must be 3",  
     "lcuseradd Too many other simultaneous pwd changes in progress",  
     "lcuseradd User does not exist",  
     "lcuseradd Unable to make www member of users's group",  
     "lcuseradd Unable to su to root",  
     "lcuseradd Unable to set password",  
     "lcuseradd Username has invalid characters",  
     "lcuseradd Password has an invalid character",  
     "lcuseradd User already exists",  
     "lcuseradd Could not add user.",  
     "lcuseradd Password mismatch");  
   
   
 # This array are the errors from lcinstallfile:  # This array are the errors from lcinstallfile:
   
 my @installerrors = ("ok",  my @installerrors = ("ok",
      "Initial user id of client not that of www",       "Initial user id of client not that of www",
      "Usage error, not enough command line arguments",       "Usage error, not enough command line arguments",
      "Source file name does not exist",       "Source filename does not exist",
      "Destination file name does not exist",       "Destination filename does not exist",
      "Some file operation failed",       "Some file operation failed",
      "Invalid table filename."       "Invalid table filename."
      );       );
Line 419  sub ReadManagerTable { Line 405  sub ReadManagerTable {
   
    my $tablename = $perlvar{'lonTabDir'}."/managers.tab";     my $tablename = $perlvar{'lonTabDir'}."/managers.tab";
    if (!open (MANAGERS, $tablename)) {     if (!open (MANAGERS, $tablename)) {
       logthis('<font color="red">No manager table.  Nobody can manage!!</font>');         my $hostname = &Apache::lonnet::hostname($perlvar{'lonHostID'});
       return;         if (&Apache::lonnet::is_LC_dns($hostname)) {
              &logthis('<font color="red">No manager table.  Nobody can manage!!</font>');
          }
          return;
    }     }
    while(my $host = <MANAGERS>) {     while(my $host = <MANAGERS>) {
       chomp($host);        chomp($host);
Line 445  sub ReadManagerTable { Line 434  sub ReadManagerTable {
          }           }
       } else {        } else {
          logthis('<font color="green"> existing host'." $host</font>\n");           logthis('<font color="green"> existing host'." $host</font>\n");
          $managers{&Apache::lonnet::get_host_ip($host)} = $host;  # Use info from cluster tab if clumemeber           $managers{&Apache::lonnet::get_host_ip($host)} = $host;  # Use info from cluster tab if cluster memeber
       }        }
    }     }
 }  }
Line 507  sub AdjustHostContents { Line 496  sub AdjustHostContents {
     my $me        = $perlvar{'lonHostID'};      my $me        = $perlvar{'lonHostID'};
   
     foreach my $line (split(/\n/,$contents)) {      foreach my $line (split(/\n/,$contents)) {
  if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) {   if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/) ||
                ($line =~ /^\s*\^/))) {
     chomp($line);      chomp($line);
     my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line);      my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line);
     if ($id eq $me) {      if ($id eq $me) {
Line 595  sub InstallFile { Line 585  sub InstallFile {
 #  #
 #   ConfigFileFromSelector: converts a configuration file selector  #   ConfigFileFromSelector: converts a configuration file selector
 #                 into a configuration file pathname.  #                 into a configuration file pathname.
 #                 It's probably no longer necessary to preserve  #                 Supports the following file selectors: 
 #                 special handling of hosts or domain as those  #                 hosts, domain, dns_hosts, dns_domain  
 #                 files have been superceded by dns_hosts, dns_domain.  
 #                 The default action is just to prepend the directory  
 #                 and append .tab  
 #  #
 #  #
 #  Parameters:  #  Parameters:
Line 612  sub ConfigFileFromSelector { Line 599  sub ConfigFileFromSelector {
     my $tablefile;      my $tablefile;
   
     my $tabledir = $perlvar{'lonTabDir'}.'/';      my $tabledir = $perlvar{'lonTabDir'}.'/';
     if ($selector eq "hosts") {      if (($selector eq "hosts") || ($selector eq "domain") || 
  $tablefile = $tabledir."hosts.tab";          ($selector eq "dns_hosts") || ($selector eq "dns_domain")) {
     } elsif ($selector eq "domain") {  
  $tablefile = $tabledir."domain.tab";  
     } else {  
  $tablefile =  $tabledir.$selector.'.tab';   $tablefile =  $tabledir.$selector.'.tab';
     }      }
     return $tablefile;      return $tablefile;
   
 }  }
 #  #
 #   PushFile:  Called to do an administrative push of a file.  #   PushFile:  Called to do an administrative push of a file.
Line 646  sub PushFile { Line 629  sub PushFile {
     #  supported:      #  supported:
     #   hosts.tab  ($filename eq host).      #   hosts.tab  ($filename eq host).
     #   domain.tab ($filename eq domain).      #   domain.tab ($filename eq domain).
       #   dns_hosts.tab ($filename eq dns_host).
       #   dns_domain.tab ($filename eq dns_domain). 
     # Construct the destination filename or reject the request.      # Construct the destination filename or reject the request.
     #      #
     # lonManage is supposed to ensure this, however this session could be      # lonManage is supposed to ensure this, however this session could be
Line 677  sub PushFile { Line 662  sub PushFile {
  return "error:$!";   return "error:$!";
     } else {      } else {
  &logthis('<font color="green"> Installed new '.$tablefile   &logthis('<font color="green"> Installed new '.$tablefile
  ."</font>");   ." - transaction by: $clientname ($clientip)</font>");
           my $adminmail = $perlvar{'lonAdmEMail'};
           my $admindom = &Apache::lonnet::host_domain($perlvar{'lonHostID'});
           if ($admindom ne '') {
               my %domconfig =
                   &Apache::lonnet::get_dom('configuration',['contacts'],$admindom);
               if (ref($domconfig{'contacts'}) eq 'HASH') {
                   if ($domconfig{'contacts'}{'adminemail'} ne '') {
                       $adminmail = $domconfig{'contacts'}{'adminemail'};
                   }
               }
           }
           if ($adminmail =~ /^[^\@]+\@[^\@]+$/) {
               my $msg = new Mail::Send;
               $msg->to($adminmail);
               $msg->subject('LON-CAPA DNS update on '.$perlvar{'lonHostID'});
               $msg->add('Content-type','text/plain; charset=UTF-8');
               if (my $fh = $msg->open()) {
                   print $fh 'Update to '.$tablefile.' from Cluster Manager '.
                             "$clientname ($clientip)\n";
                   $fh->close;
               }
           }
     }      }
   
   
     #  Indicate success:      #  Indicate success:
     
     return "ok";      return "ok";
Line 1620  sub ls3_handler { Line 1625  sub ls3_handler {
 }  }
 &register_handler("ls3", \&ls3_handler, 0, 1, 0);  &register_handler("ls3", \&ls3_handler, 0, 1, 0);
   
   sub read_lonnet_global {
       my ($cmd,$tail,$client) = @_;
       my $userinput = "$cmd:$tail";
       my $requested = &Apache::lonnet::thaw_unescape($tail);
       my $result;
       my %packagevars = (
                           spareid => \%Apache::lonnet::spareid,
                           perlvar => \%Apache::lonnet::perlvar,
                         );
       my %limit_to = (
                       perlvar => {
                                    lonOtherAuthen => 1,
                                    lonBalancer    => 1,
                                    lonVersion     => 1,
                                    lonSysEMail    => 1,
                                    lonHostID      => 1,
                                    lonRole        => 1,
                                    lonDefDomain   => 1,
                                    lonLoadLim     => 1,
                                    lonUserLoadLim => 1,
                                  }
                     );
       if (ref($requested) eq 'HASH') {
           foreach my $what (keys(%{$requested})) {
               my $response;
               my $items = {};
               if (exists($packagevars{$what})) {
                   if (ref($limit_to{$what}) eq 'HASH') {
                       foreach my $varname (keys(%{$packagevars{$what}})) {
                           if ($limit_to{$what}{$varname}) {
                               $items->{$varname} = $packagevars{$what}{$varname};
                           }
                       }
                   } else {
                       $items = $packagevars{$what};
                   }
                   if ($what eq 'perlvar') {
                       if (!exists($packagevars{$what}{'lonBalancer'})) {
                           if ($dist =~ /^(centos|rhes|fedora|scientific)/) {
                               my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');
                               if (ref($othervarref) eq 'HASH') {
                                   $items->{'lonBalancer'} = $othervarref->{'lonBalancer'};
                               }
                           }
                       }
                   }
                   $response = &Apache::lonnet::freeze_escape($items);
               }
               $result .= &escape($what).'='.$response.'&';
           }
       }
       $result =~ s/\&$//;
       &Reply($client,\$result,$userinput);
       return 1;
   }
   &register_handler("readlonnetglobal", \&read_lonnet_global, 0, 1, 0);
   
   sub server_devalidatecache_handler {
       my ($cmd,$tail,$client) = @_;
       my $userinput = "$cmd:$tail";
       my ($name,$id) = map { &unescape($_); } split(/:/,$tail);
       &Apache::lonnet::devalidate_cache_new($name,$id);
       my $result = 'ok';
       &Reply($client,\$result,$userinput);
       return 1;
   }
   &register_handler("devalidatecache", \&server_devalidatecache_handler, 0, 1, 0);
   
 sub server_timezone_handler {  sub server_timezone_handler {
     my ($cmd,$tail,$client) = @_;      my ($cmd,$tail,$client) = @_;
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
Line 1668  sub server_homeID_handler { Line 1741  sub server_homeID_handler {
 }  }
 &register_handler("serverhomeID", \&server_homeID_handler, 0, 1, 0);  &register_handler("serverhomeID", \&server_homeID_handler, 0, 1, 0);
   
   sub server_distarch_handler {
       my ($cmd,$tail,$client) = @_;
       my $userinput = "$cmd:$tail";
       my $reply = &distro_and_arch();
       &Reply($client,\$reply,$userinput);
       return 1;
   }
   &register_handler("serverdistarch", \&server_distarch_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 1806  sub authenticate_handler { Line 1888  sub authenticate_handler {
                 if (ref($hostedsession) eq 'HASH') {                  if (ref($hostedsession) eq 'HASH') {
                     $hosted = $hostedsession->{'hosted'};                      $hosted = $hostedsession->{'hosted'};
                 }                  }
                 my $loncaparev = $clientversion;  
                 if ($loncaparev eq '') {  
                     $loncaparev = $Apache::lonnet::loncaparevs{$clientname};  
                 }  
                 $canhost = &Apache::lonnet::can_host_session($udom,$clientname,                  $canhost = &Apache::lonnet::can_host_session($udom,$clientname,
                                                              $loncaparev,                                                               $clientversion,
                                                              $remote,$hosted);                                                               $remote,$hosted);
             }              }
         }          }
Line 1973  sub add_user_handler { Line 2051  sub add_user_handler {
     ."makeuser";      ."makeuser";
     }      }
     unless ($fperror) {      unless ($fperror) {
  my $result=&make_passwd_file($uname, $umode,$npass, $passfilename);   my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename);
  &Reply($client,\$result, $userinput);     #BUGBUG - could be fail   &Reply($client,\$result, $userinput);     #BUGBUG - could be fail
     } else {      } else {
  &Failure($client, \$fperror, $userinput);   &Failure($client, \$fperror, $userinput);
Line 2034  sub change_authentication_handler { Line 2112  sub change_authentication_handler {
  my $passfilename = &password_path($udom, $uname);   my $passfilename = &password_path($udom, $uname);
  if ($passfilename) { # Not allowed to create a new user!!   if ($passfilename) { # Not allowed to create a new user!!
     # If just changing the unix passwd. need to arrange to run      # If just changing the unix passwd. need to arrange to run
     # passwd since otherwise make_passwd_file will run      # passwd since otherwise make_passwd_file will fail as 
     # lcuseradd which fails if an account already exists      # creation of unix authenticated users is no longer supported
     # (to prevent an unscrupulous LONCAPA admin from stealing              # except from the command line, when running make_domain_coordinator.pl
     # an existing account by overwriting it as a LonCAPA account).  
   
     if(($oldauth =~/^unix/) && ($umode eq "unix")) {      if(($oldauth =~/^unix/) && ($umode eq "unix")) {
  my $result = &change_unix_password($uname, $npass);   my $result = &change_unix_password($uname, $npass);
Line 2048  sub change_authentication_handler { Line 2125  sub change_authentication_handler {
     &Failure($client, \$result);      &Failure($client, \$result);
  }   }
     } else {      } else {
  my $result=&make_passwd_file($uname, $umode,$npass,$passfilename);   my $result=&make_passwd_file($uname,$udom,$umode,$npass,$passfilename);
  #   #
  #  If the current auth mode is internal, and the old auth mode was   #  If the current auth mode is internal, and the old auth mode was
  #  unix, or krb*,  and the user is an author for this domain,   #  unix, or krb*,  and the user is an author for this domain,
  #  re-run manage_permissions for that role in order to be able   #  re-run manage_permissions for that role in order to be able
  #  to take ownership of the construction space back to www:www   #  to take ownership of the construction space back to www:www
  #   #
   
   
  if( (($oldauth =~ /^unix/) && ($umode eq "internal")) ||  
     (($oldauth =~ /^internal/) && ($umode eq "unix")) ) {   
     if(&is_author($udom, $uname)) {  
  &Debug(" Need to manage author permissions...");  
  &manage_permissions("/$udom/_au", $udom, $uname, "$umode:");  
     }  
  }  
  &Reply($client, \$result, $userinput);   &Reply($client, \$result, $userinput);
     }      }
                 
Line 2248  sub fetch_user_file_handler { Line 2318  sub fetch_user_file_handler {
   
  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 $clientprotocol=$Apache::lonnet::protocol{$clientname};
           $clientprotocol = 'http' if ($clientprotocol ne 'https');
    my $clienthost = &Apache::lonnet::hostname($clientname);
    my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname;
  my $response;   my $response;
  Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");   Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");
  alarm(120);   alarm(120);
Line 2270  sub fetch_user_file_handler { Line 2343  sub fetch_user_file_handler {
  unlink($transname);   unlink($transname);
  &Failure($client, "failed\n", $userinput);   &Failure($client, "failed\n", $userinput);
     } else {      } else {
                   if ($fname =~ /^default.+\.(page|sequence)$/) {
                       my ($major,$minor) = split(/\./,$clientversion);
                       if (($major < 2) || ($major == 2 && $minor < 11)) {
                           my $now = time;
                           &Apache::lonnet::do_cache_new('crschange',$udom.'_'.$uname,$now,600);
                           my $key = &escape('internal.contentchange');
                           my $what = "$key=$now";
                           my $hashref = &tie_user_hash($udom,$uname,'environment',
                                                        &GDBM_WRCREAT(),"P",$what);
                           if ($hashref) {
                               $hashref->{$key}=$now;
                               if (!&untie_user_hash($hashref)) {
                                   &logthis("error: ".($!+0)." untie (GDBM) failed ".
                                            "when updating internal.contentchange");
                               }
                           }
                       }
                   }
  &Reply($client, "ok\n", $userinput);   &Reply($client, "ok\n", $userinput);
     }      }
  }      }   
Line 2424  sub user_has_session_handler { Line 2515  sub user_has_session_handler {
   
     my ($udom, $uname) = map { &unescape($_) } (split(/:/, $tail));      my ($udom, $uname) = map { &unescape($_) } (split(/:/, $tail));
           
     &logthis("Looking for $udom $uname");  
     opendir(DIR,$perlvar{'lonIDsDir'});      opendir(DIR,$perlvar{'lonIDsDir'});
     my $filename;      my $filename;
     while ($filename=readdir(DIR)) {      while ($filename=readdir(DIR)) {
Line 3077  sub get_profile_keys { Line 3167  sub get_profile_keys {
 sub dump_profile_database {  sub dump_profile_database {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
       my $res = LONCAPA::Lond::dump_profile_database($tail);
   
       if ($res =~ /^error:/) {
           Failure($client, \$res, "$cmd:$tail");
       } else {
           Reply($client, \$res, "$cmd:$tail");
       }
   
       return 1;  
   
       #TODO remove 
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
         
     my ($udom,$uname,$namespace) = split(/:/,$tail);      my ($udom,$uname,$namespace) = split(/:/,$tail);
Line 3143  sub dump_profile_database { Line 3244  sub dump_profile_database {
 #                                             that is matched against  #                                             that is matched against
 #                                             database keywords to do  #                                             database keywords to do
 #                                             selective dumps.  #                                             selective dumps.
   #                               range       - optional range of entries
   #                                             e.g., 10-20 would return the
   #                                             10th to 19th items, etc.  
 #   $client                   - Channel open on the client.  #   $client                   - Channel open on the client.
 # Returns:  # Returns:
 #    1    - Continue processing.  #    1    - Continue processing.
Line 3152  sub dump_profile_database { Line 3256  sub dump_profile_database {
 sub dump_with_regexp {  sub dump_with_regexp {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
       my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
     my $userinput = "$cmd:$tail";      
       if ($res =~ /^error:/) {
     my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$tail);          Failure($client, \$res, "$cmd:$tail");
     if (defined($regexp)) {  
  $regexp=&unescape($regexp);  
     } else {  
  $regexp='.';  
     }  
     my ($start,$end);  
     if (defined($range)) {  
  if ($range =~/^(\d+)\-(\d+)$/) {  
     ($start,$end) = ($1,$2);  
  } elsif ($range =~/^(\d+)$/) {  
     ($start,$end) = (0,$1);  
  } else {  
     undef($range);  
  }  
     }  
     my $hashref = &tie_user_hash($udom, $uname, $namespace,  
  &GDBM_READER());  
     my $skipcheck;  
     if ($hashref) {  
         my $qresult='';  
  my $count=0;  
         if ($extra ne '') {  
             $extra = &Apache::lonnet::thaw_unescape($extra);  
             $skipcheck = $extra->{'skipcheck'};  
         }  
         my @ids = &Apache::lonnet::current_machine_ids();  
         my (%homecourses,$major,$minor,$now);  
         if (($namespace eq 'roles') && (!$skipcheck)) {  
             my $loncaparev = $clientversion;  
             if ($loncaparev eq '') {  
                 $loncaparev = $Apache::lonnet::loncaparevs{$clientname};  
             }  
             if ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?/) {  
                 $major = $1;  
                 $minor = $2;  
             }  
             $now = time;  
         }  
  while (my ($key,$value) = each(%$hashref)) {  
             if ($namespace eq 'roles') {  
                 if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_courseid)(/?[^_]*)_(cc|co|in|ta|ep|ad|st|cr)$}) {  
                     my $cdom = $1;  
                     my $cnum = $2;  
                     unless ($skipcheck) {  
                         my ($role,$end,$start) = split(/\_/,$value);  
                         if (!$end || $end > $now) {  
                             next unless (&releasereqd_check($cnum,$cdom,$key,$value,$major,  
                                                             $minor,\%homecourses,\@ids));  
                         }  
                     }  
                 }  
             }  
     if ($regexp eq '.') {  
  $count++;  
  if (defined($range) && $count >= $end)   { last; }  
  if (defined($range) && $count <  $start) { next; }  
  $qresult.=$key.'='.$value.'&';  
     } else {  
  my $unescapeKey = &unescape($key);  
  if (eval('$unescapeKey=~/$regexp/')) {  
     $count++;  
     if (defined($range) && $count >= $end)   { last; }  
     if (defined($range) && $count <  $start) { next; }  
     $qresult.="$key=$value&";  
  }  
     }  
  }  
  if (&untie_user_hash($hashref)) {  
             if (($namespace eq 'roles') && (!$skipcheck)) {  
                 if (keys(%homecourses) > 0) {  
                     $qresult .= &check_homecourses(\%homecourses,$udom,$regexp,$count,  
                                                    $range,$start,$end,$major,$minor);  
                 }  
             }  
     chop($qresult);  
     &Reply($client, \$qresult, $userinput);  
  } else {  
     &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".  
      "while attempting dump\n", $userinput);  
  }  
     } else {      } else {
  &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".          Reply($client, \$res, "$cmd:$tail");
  "while attempting dump\n", $userinput);  
     }      }
   
     return 1;      return 1;
Line 3817  sub put_course_id_hash_handler { Line 3840  sub put_course_id_hash_handler {
 #   a reply is written to $client.  #   a reply is written to $client.
 sub dump_course_id_handler {  sub dump_course_id_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
       my $res = LONCAPA::Lond::dump_course_id_handler($tail);
       if ($res =~ /^error:/) {
           Failure($client, \$res, "$cmd:$tail");
       } else {
           Reply($client, \$res, "$cmd:$tail");
       }
   
       return 1;  
   
       #TODO remove
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,      my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
Line 3896  sub dump_course_id_handler { Line 3930  sub dump_course_id_handler {
         $creationcontext = '.';          $creationcontext = '.';
     }      }
     my $unpack = 1;      my $unpack = 1;
     if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' &&       if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' && 
         $typefilter eq '.') {          $typefilter eq '.') {
         $unpack = 0;          $unpack = 0;
     }      }
Line 4405  sub get_id_handler { Line 4439  sub get_id_handler {
 }  }
 &register_handler("idget", \&get_id_handler, 0, 1, 0);  &register_handler("idget", \&get_id_handler, 0, 1, 0);
   
   #   Deletes one or more ids in a domain's id database.
   #
   #   Parameters:
   #       $cmd                  - Command keyword (iddel).
   #       $tail                 - Command tail.  In this case a colon
   #                               separated list containing:
   #                               The domain for which we are deleting the id(s).
   #                               &-separated list of id(s) to delete.
   #       $client               - File open on client socket.
   # Returns:
   #     1   - Continue processing
   #     0   - Exit server.
   #     
   #
   
   sub del_id_handler {
       my ($cmd,$tail,$client) = @_;
   
       my $userinput = "$cmd:$tail";
   
       my ($udom,$what)=split(/:/,$tail);
       chomp($what);
       my $hashref = &tie_domain_hash($udom, "ids", &GDBM_WRCREAT(),
                                      "D", $what);
       if ($hashref) {
           my @keys=split(/\&/,$what);
           foreach my $key (@keys) {
               delete($hashref->{$key});
           }
           if (&untie_user_hash($hashref)) {
               &Reply($client, "ok\n", $userinput);
           } else {
               &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
                       "while attempting iddel\n", $userinput);
           }
       } else {
           &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
                    "while attempting iddel\n", $userinput);
       }
       return 1;
   }
   &register_handler("iddel", \&del_id_handler, 0, 1, 0);
   
 #  #
 # Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database   # Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database 
 #  #
Line 4953  sub validate_instcode_handler { Line 5030  sub validate_instcode_handler {
     my ($dom,$instcode,$owner) = split(/:/, $tail);      my ($dom,$instcode,$owner) = split(/:/, $tail);
     $instcode = &unescape($instcode);      $instcode = &unescape($instcode);
     $owner = &unescape($owner);      $owner = &unescape($owner);
     my ($outcome,$description) =       my ($outcome,$description,$credits) = 
         &localenroll::validate_instcode($dom,$instcode,$owner);          &localenroll::validate_instcode($dom,$instcode,$owner);
     my $result = &escape($outcome).'&'.&escape($description);      my $result = &escape($outcome).'&'.&escape($description).'&'.
                    &escape($credits);
     &Reply($client, \$result, $userinput);      &Reply($client, \$result, $userinput);
   
     return 1;      return 1;
Line 5008  sub get_sections_handler { Line 5086  sub get_sections_handler {
 sub validate_course_owner_handler {  sub validate_course_owner_handler {
     my ($cmd, $tail, $client)  = @_;      my ($cmd, $tail, $client)  = @_;
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my ($inst_course_id, $owner, $cdom) = split(/:/, $tail);      my ($inst_course_id, $owner, $cdom, $coowners) = split(/:/, $tail);
       
     $owner = &unescape($owner);      $owner = &unescape($owner);
     my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom);      $coowners = &unescape($coowners);
       my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom,$coowners);
     &Reply($client, \$outcome, $userinput);      &Reply($client, \$outcome, $userinput);
   
   
Line 5927  sub lcpasswdstrerror { Line 6006  sub lcpasswdstrerror {
     }      }
 }  }
   
 #  
 # Convert an error return code from lcuseradd to a string value:  
 #  
 sub lcuseraddstrerror {  
     my $ErrorCode = shift;  
     if(($ErrorCode < 0) || ($ErrorCode > $lastadderror)) {  
  return "lcuseradd - Unrecognized error code: ".$ErrorCode;  
     } else {  
  return $adderrors[$ErrorCode];  
     }  
 }  
   
 # grabs exception and records it to log before exiting  # grabs exception and records it to log before exiting
 sub catchexception {  sub catchexception {
     my ($error)=@_;      my ($error)=@_;
Line 5999  if (-e $pidfile) { Line 6066  if (-e $pidfile) {
 $server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'},  $server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'},
                                 Type      => SOCK_STREAM,                                  Type      => SOCK_STREAM,
                                 Proto     => 'tcp',                                  Proto     => 'tcp',
                                 Reuse     => 1,                                  ReuseAddr     => 1,
                                 Listen    => 10 )                                  Listen    => 10 )
   or die "making socket: $@\n";    or die "making socket: $@\n";
   
Line 6062  sub HUPSMAN {                      # sig Line 6129  sub HUPSMAN {                      # sig
 #  a setuid perl script that can be root for us to do this job.  #  a setuid perl script that can be root for us to do this job.
 #  #
 sub ReloadApache {  sub ReloadApache {
     my $execdir = $perlvar{'lonDaemons'};  # --------------------------- Handle case of another apachereload process (locking)
     my $script  = $execdir."/apachereload";      if (&LONCAPA::try_to_lock('/tmp/lock_apachereload')) {
     system($script);          my $execdir = $perlvar{'lonDaemons'};
           my $script  = $execdir."/apachereload";
           system($script);
           unlink('/tmp/lock_apachereload'); #  Remove the lock file.
       }
 }  }
   
 #  #
Line 6175  sub Debug { Line 6246  sub Debug {
 #     reply   - Text to send to client.  #     reply   - Text to send to client.
 #     request - Original request from client.  #     request - Original request from client.
 #  #
   #NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference
   #this is done automatically ($$reply must not contain any \n in this case). 
   #If $reply is a string the caller has to ensure this.
 sub Reply {  sub Reply {
     my ($fd, $reply, $request) = @_;      my ($fd, $reply, $request) = @_;
     if (ref($reply)) {      if (ref($reply)) {
Line 6328  $SIG{USR2} = \&UpdateHosts; Line 6402  $SIG{USR2} = \&UpdateHosts;
 &Apache::lonnet::load_hosts_tab();  &Apache::lonnet::load_hosts_tab();
 my %iphost = &Apache::lonnet::get_iphost(1);  my %iphost = &Apache::lonnet::get_iphost(1);
   
 my $dist=`$perlvar{'lonDaemons'}/distprobe`;  $dist=`$perlvar{'lonDaemons'}/distprobe`;
   
   my $arch = `uname -i`;
   chomp($arch);
   if ($arch eq 'unknown') {
       $arch = `uname -m`;
       chomp($arch);
   }
   
 # --------------------------------------------------------------  # --------------------------------------------------------------
 #   Accept connections.  When a connection comes in, it is validated  #   Accept connections.  When a connection comes in, it is validated
Line 6396  sub make_new_child { Line 6477  sub make_new_child {
                                 #don't get intercepted                                  #don't get intercepted
         $SIG{USR1}= \&logstatus;          $SIG{USR1}= \&logstatus;
         $SIG{ALRM}= \&timeout;          $SIG{ALRM}= \&timeout;
    #
    # Block sigpipe as it gets thrownon socket disconnect and we want to 
    # deal with that as a read faiure instead.
    #
    my $blockset = POSIX::SigSet->new(SIGPIPE);
    sigprocmask(SIG_BLOCK, $blockset);
   
         $lastlog='Forked ';          $lastlog='Forked ';
         $status='Forked';          $status='Forked';
   
Line 6407  sub make_new_child { Line 6495  sub make_new_child {
 #---------------------------------------------------- kerberos 5 initialization  #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
  unless (($dist eq 'fedora5') || ($dist eq 'fedora4') ||     unless (($dist eq 'fedora5') || ($dist eq 'fedora4') ||  
  ($dist eq 'fedora6') || ($dist eq 'suse9.3')) {   ($dist eq 'fedora6') || ($dist eq 'suse9.3') ||
                   ($dist eq 'suse12.2') || ($dist eq 'suse12.3')) {
     &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
  }   }
   
Line 6452  sub make_new_child { Line 6541  sub make_new_child {
  #   #
  #  If the remote is attempting a local init... give that a try:   #  If the remote is attempting a local init... give that a try:
  #   #
           logthis("remotereq: $remotereq");
  (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);   (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
           # For LON-CAPA 2.9, the  client session will have sent its LON-CAPA
           # version when initiating the connection. For LON-CAPA 2.8 and older,
           # the version is retrieved from the global %loncaparevs in lonnet.pm.            
           # $clientversion contains path to keyfile if $inittype eq 'local'
           # it's overridden below in this case
           $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
   
  # If the connection type is ssl, but I didn't get my   # If the connection type is ssl, but I didn't get my
  # certificate files yet, then I'll drop  back to    # certificate files yet, then I'll drop  back to 
Line 6596  sub is_author { Line 6692  sub is_author {
   
     #  Author role should show up as a key /domain/_au      #  Author role should show up as a key /domain/_au
   
     my $key    = "/$domain/_au";  
     my $value;      my $value;
     if (defined($hashref)) {      if ($hashref) {
  $value = $hashref->{$key};  
     }  
   
     if(defined($value)) {   my $key    = "/$domain/_au";
  &Debug("$user @ $domain is an author");   if (defined($hashref)) {
       $value = $hashref->{$key};
       if(!untie_user_hash($hashref)) {
    return 'error: ' .  ($!+0)." untie (GDBM) Failed";
       }
    }
   
    if(defined($value)) {
       &Debug("$user @ $domain is an author");
    }
       } else {
    return 'error: '.($!+0)." tie (GDBM) Failed";
     }      }
   
     return defined($value);      return defined($value);
 }  }
 #  #
 #   Checks to see if the input roleput request was to set  #   Checks to see if the input roleput request was to set
 # an author role.  If so, invokes the lchtmldir script to set  # an author role.  If so, creates construction space 
 # up a correct public_html   
 # Parameters:  # Parameters:
 #    request   - The request sent to the rolesput subchunk.  #    request   - The request sent to the rolesput subchunk.
 #                We're looking for  /domain/_au  #                We're looking for  /domain/_au
Line 6621  sub is_author { Line 6724  sub is_author {
 #  #
 sub manage_permissions {  sub manage_permissions {
     my ($request, $domain, $user, $authtype) = @_;      my ($request, $domain, $user, $authtype) = @_;
   
     &Debug("manage_permissions: $request $domain $user $authtype");  
   
     # See if the request is of the form /$domain/_au      # See if the request is of the form /$domain/_au
     if($request =~ /^(\/\Q$domain\E\/_au)$/) { # It's an author rolesput...      if($request =~ /^(\/\Q$domain\E\/_au)$/) { # It's an author rolesput...
  my $execdir = $perlvar{'lonDaemons'};          my $path=$perlvar{'lonDocRoot'}."/priv/$domain";
  my $userhome= "/home/$user" ;          unless (-e $path) {        
  &logthis("system $execdir/lchtmldir $userhome $user $authtype");             mkdir($path);
  &Debug("Setting homedir permissions for $userhome");          }
  system("$execdir/lchtmldir $userhome $user $authtype");          unless (-e $path.'/'.$user) {
              mkdir($path.'/'.$user);
           }
     }      }
 }  }
   
Line 7119  sub subscribe { Line 7221  sub subscribe {
                 # the metadata                  # the metadata
  unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); }   unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); }
  $fname=~s/\/home\/httpd\/html\/res/raw/;   $fname=~s/\/home\/httpd\/html\/res/raw/;
  $fname="http://".&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname;                  my $protocol = $Apache::lonnet::protocol{$perlvar{'lonHostID'}};
                   $protocol = 'http' if ($protocol ne 'https');
    $fname=$protocol.'://'.&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname;
  $result="$fname\n";   $result="$fname\n";
     }      }
  } else {   } else {
Line 7161  sub change_unix_password { Line 7265  sub change_unix_password {
   
   
 sub make_passwd_file {  sub make_passwd_file {
     my ($uname, $umode,$npass,$passfilename)=@_;      my ($uname,$udom,$umode,$npass,$passfilename)=@_;
     my $result="ok";      my $result="ok";
     if ($umode eq 'krb4' or $umode eq 'krb5') {      if ($umode eq 'krb4' or $umode eq 'krb5') {
  {   {
Line 7195  sub make_passwd_file { Line 7299  sub make_passwd_file {
     }      }
  }   }
     } elsif ($umode eq 'unix') {      } elsif ($umode eq 'unix') {
  {   &logthis(">>>Attempt to create unix account blocked -- unix auth not available for new users.");
     #   $result="no_new_unix_accounts";
     #  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 $lc_error_file  = $execdir."/tmp/lcuseradd".$$.".status";  
     {  
  &Debug("Executing external: ".$execpath);  
  &Debug("user  = ".$uname.", Password =". $npass);  
  my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log");  
  print $se "$uname\n";  
  print $se "$npass\n";  
  print $se "$npass\n";  
  print $se "$lc_error_file\n"; # Status -> unique file.  
     }  
     if (-r $lc_error_file) {  
  &Debug("Opening error file: $lc_error_file");  
  my $error = IO::File->new("< $lc_error_file");  
  my $useraddok = <$error>;  
  $error->close;  
  unlink($lc_error_file);  
   
  chomp $useraddok;  
   
  if($useraddok > 0) {  
     my $error_text = &lcuseraddstrerror($useraddok);  
     &logthis("Failed lcuseradd: $error_text");  
     $result = "lcuseradd_failed:$error_text";  
  }  else {  
     my $pf = IO::File->new(">$passfilename");  
     if($pf) {  
  print $pf "unix:\n";  
     } else {  
  $result = "pass_file_failed_error";  
     }  
  }  
     }  else {  
  &Debug("Could not locate lcuseradd error: $lc_error_file");  
  $result="bug_lcuseradd_no_output_file";  
     }  
  }  
     } elsif ($umode eq 'none') {      } elsif ($umode eq 'none') {
  {   {
     my $pf = IO::File->new("> $passfilename");      my $pf = IO::File->new("> $passfilename");
Line 7307  sub get_usersession_config { Line 7364  sub get_usersession_config {
     return;      return;
 }  }
   
 sub releasereqd_check {  
     my ($cnum,$cdom,$key,$value,$major,$minor,$homecourses,$ids) = @_;  
     my $home = &Apache::lonnet::homeserver($cnum,$cdom);  
     return if ($home eq 'no_host');  
     my ($reqdmajor,$reqdminor,$displayrole);  
     if ($cnum =~ /$LONCAPA::match_community/) {  
         if ($major eq '' && $minor eq '') {  
             return unless ((ref($ids) eq 'ARRAY') &&   
                            (grep(/^\Q$home\E$/,@{$ids})));  
         } else {  
             $reqdmajor = 2;  
             $reqdminor = 9;  
             return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor));  
         }  
     }  
     my $hashid = $cdom.':'.$cnum;  
     my ($courseinfo,$cached) =  
         &Apache::lonnet::is_cached_new('courseinfo',$hashid);  
     if (defined($cached)) {  
         if (ref($courseinfo) eq 'HASH') {  
             if (exists($courseinfo->{'releaserequired'})) {  
                 my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'});  
                 return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor));  
             }  
         }  
     } else {  
         if (ref($ids) eq 'ARRAY') {  
             if (grep(/^\Q$home\E$/,@{$ids})) {  
                 if (ref($homecourses) eq 'HASH') {  
                     if (ref($homecourses->{$hashid}) eq 'ARRAY') {  
                         push(@{$homecourses->{$hashid}},{$key=>$value});  
                     } else {  
                         $homecourses->{$hashid} = [{$key=>$value}];  
                     }  
                 }  
                 return;  
             }  
         }  
         my $courseinfo = &get_courseinfo_hash($cnum,$cdom,$home);  
         if (ref($courseinfo) eq 'HASH') {  
             if (exists($courseinfo->{'releaserequired'})) {  
                 my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'});  
                 return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor));  
             }  
         } else {  
             return;  
         }  
     }  
     return 1;  
 }  
   
 sub get_courseinfo_hash {  
     my ($cnum,$cdom,$home) = @_;  
     my %info;  
     eval {  
         local($SIG{ALRM}) = sub { die "timeout\n"; };  
         local($SIG{__DIE__})='DEFAULT';  
         alarm(3);  
         %info = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,1,[$home],'.');  
         alarm(0);  
     };  
     if ($@) {  
         if ($@ eq "timeout\n") {  
             &logthis("<font color='blue'>WARNING courseiddump for $cnum:$cdom from $home timedout</font>");  
         } else {  
             &logthis("<font color='yellow'>WARNING unexpected error during eval of call for courseiddump from $home</font>");  
         }  
     } else {  
         if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') {  
             my $hashid = $cdom.':'.$cnum;  
             return &Apache::lonnet::do_cache_new('courseinfo',$hashid,$info{$cdom.'_'.$cnum},600);  
         }  
     }  
     return;  
 }  
   
 sub check_homecourses {  
     my ($homecourses,$udom,$regexp,$count,$range,$start,$end,$major,$minor) = @_;  
     my ($result,%addtocache);  
     my $yesterday = time - 24*3600;   
     if (ref($homecourses) eq 'HASH') {  
         my (%okcourses,%courseinfo,%recent);  
         my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());  
         if ($hashref) {  
             while (my ($key,$value) = each(%$hashref)) {  
                 my $unesc_key = &unescape($key);  
                 if ($unesc_key =~ /^lasttime:(\w+)$/) {  
                     my $cid = $1;  
                     $cid =~ s/_/:/;  
                     if ($value > $yesterday ) {  
                         $recent{$cid} = 1;  
                     }  
                     next;  
                 }  
                 my $items = &Apache::lonnet::thaw_unescape($value);  
                 if (ref($items) eq 'HASH') {  
                     my $hashid = $unesc_key;  
                     $hashid =~ s/_/:/;  
                     $courseinfo{$hashid} = $items;  
                     if (ref($homecourses->{$hashid}) eq 'ARRAY') {  
                         my ($reqdmajor,$reqdminor) = split(/\./,$items->{'releaserequired'});  
                         if (&useable_role($reqdmajor,$reqdminor,$major,$minor)) {  
                             $okcourses{$hashid} = 1;  
                         }  
                     }  
                 }  
             }  
             unless (&untie_domain_hash($hashref)) {  
                 &logthis('Failed to untie tied hash for nohist_courseids.db');  
             }  
         } else {  
             &logthis('Failed to tie hash for nohist_courseids.db');  
             return;  
         }  
         foreach my $hashid (keys(%recent)) {  
             my ($result,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid);  
             unless ($cached) {  
                 &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600);  
             }  
         }  
         foreach my $hashid (keys(%{$homecourses})) {  
             next if ($recent{$hashid});  
             &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600);  
         }  
         foreach my $hashid (keys(%okcourses)) {  
             if (ref($homecourses->{$hashid}) eq 'ARRAY') {  
                 foreach my $role (@{$homecourses->{$hashid}}) {  
                     if (ref($role) eq 'HASH') {  
                         while (my ($key,$value) = each(%{$role})) {  
                             if ($regexp eq '.') {  
                                 $count++;  
                                 if (defined($range) && $count >= $end)   { last; }  
                                 if (defined($range) && $count <  $start) { next; }  
                                 $result.=$key.'='.$value.'&';  
                             } else {  
                                 my $unescapeKey = &unescape($key);  
                                 if (eval('$unescapeKey=~/$regexp/')) {  
                                     $count++;  
                                     if (defined($range) && $count >= $end)   { last; }  
                                     if (defined($range) && $count <  $start) { next; }  
                                     $result.="$key=$value&";  
                                 }  
                             }  
                         }  
                     }  
                 }  
             }  
         }  
     }  
     return $result;  
 }  
   
 sub useable_role {  sub distro_and_arch {
     my ($reqdmajor,$reqdminor,$major,$minor) = @_;       return $dist.':'.$arch;
     if ($reqdmajor ne '' && $reqdminor ne '') {  
         return if (($major eq '' && $minor eq '') ||  
                    ($major < $reqdmajor) ||  
                    (($major == $reqdmajor) && ($minor < $reqdminor)));  
     }  
     return 1;  
 }  }
   
 # ----------------------------------- POD (plain old documentation, CPAN style)  # ----------------------------------- POD (plain old documentation, CPAN style)
Line 7676  Place in B<logs/lond.log> Line 7578  Place in B<logs/lond.log>
   
 stores hash in namespace  stores hash in namespace
   
 =item rolesputy  =item rolesput
   
 put a role into a user's environment  put a role into a user's environment
   
Line 7793  Authen::Krb5 Line 7695  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 7880  or the CA's certificate in the call to l Line 7784  or the CA's certificate in the call to l
 <error> is the textual reason this failed.  Usual reasons:  <error> is the textual reason this failed.  Usual reasons:
   
 =over 2  =over 2
          
 =item Apache config file for loncapa  incorrect:  =item Apache config file for loncapa  incorrect:
    
 one of the variables   one of the variables 
 lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate  lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
 undefined or incorrect  undefined or incorrect
Line 8001  Could not rewrite the Line 7905  Could not rewrite the
 internal password file for a user  internal password file for a user
   
 =item Result of password change for <user> : <result>  =item Result of password change for <user> : <result>
                                                                        
 A unix password change for <user> was attempted   A unix password change for <user> was attempted 
 and the pipe returned <result>    and the pipe returned <result>  
   
Line 8030  lond has been asked to exit by its clien Line 7934  lond has been asked to exit by its clien
 client systemand <input> is the full exit command sent to the server.  client systemand <input> is the full exit command sent to the server.
   
 =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].  =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].
                                                    
 A lond child terminated.  NOte that this termination can also occur when the  A lond child terminated.  NOte that this termination can also occur when the
 child receives the QUIT or DIE signals.  <pid> is the process id of the child,  child receives the QUIT or DIE signals.  <pid> is the process id of the child,
 <hostname> the host lond is working for, and <message> the reason the child died  <hostname> the host lond is working for, and <message> the reason the child died
Line 8114  file when sent it's USR1 signal.  That p Line 8018  file when sent it's USR1 signal.  That p
 assumed to be hung in some un-fixable way.  assumed to be hung in some un-fixable way.
   
 =item Finished checking children                     =item Finished checking children                   
    
 Master processs's USR1 processing is cojmplete.  Master processs's USR1 processing is cojmplete.
   
 =item (Red) CRITICAL: ------- Starting ------              =item (Red) CRITICAL: ------- Starting ------            
Line 8128  Started a new child process for <client> Line 8032  Started a new child process for <client>
 connected to the child.  This was as a result of a TCP/IP connection from a client.  connected to the child.  This was as a result of a TCP/IP connection from a client.
   
 =item Unable to determine who caller was, getpeername returned nothing  =item Unable to determine who caller was, getpeername returned nothing
                                                     
 In child process initialization.  either getpeername returned undef or  In child process initialization.  either getpeername returned undef or
 a zero sized object was returned.  Processing continues, but in my opinion,  a zero sized object was returned.  Processing continues, but in my opinion,
 this should be cause for the child to exit.  this should be cause for the child to exit.
Line 8139  In child process initialization.  The pe Line 8043  In child process initialization.  The pe
 The client address is stored as "Unavailable" and processing continues.  The client address is stored as "Unavailable" and processing continues.
   
 =item (Yellow) INFO: Connection <ip> <name> connection type = <type>  =item (Yellow) INFO: Connection <ip> <name> connection type = <type>
                                                     
 In child initialization.  A good connectionw as received from <ip>.  In child initialization.  A good connectionw as received from <ip>.
   
 =over 2  =over 2
Line 8189  The client (<client> is the peer's name Line 8093  The client (<client> is the peer's name
 negotiated an SSL connection with this child process.  negotiated an SSL connection with this child process.
   
 =item (Green) Successful insecure authentication with <client>  =item (Green) Successful insecure authentication with <client>
                                                      
   
 The client has successfully negotiated an  insecure connection withthe child process.  The client has successfully negotiated an  insecure connection withthe child process.
   
Removed from v.1.466  
changed lines
  Added in v.1.502

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