--- loncom/lond	2012/03/26 11:03:34	1.487
+++ loncom/lond	2013/08/10 01:27:31	1.502
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.487 2012/03/26 11:03:34 foxr Exp $
+# $Id: lond,v 1.502 2013/08/10 01:27:31 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -34,6 +34,7 @@ use strict;
 use lib '/home/httpd/lib/perl/';
 use LONCAPA;
 use LONCAPA::Configuration;
+use LONCAPA::Lond;
 
 use IO::Socket;
 use IO::File;
@@ -60,7 +61,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.487 $'; #' stupid emacs
+my $VERSION='$Revision: 1.502 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -129,32 +130,13 @@ my @passwderrors = ("ok",
 		   "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:
 
 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",
+		     "Source filename does not exist",
+		     "Destination filename does not exist",
 		     "Some file operation failed",
 		     "Invalid table filename."
 		     );
@@ -1906,12 +1888,8 @@ sub authenticate_handler {
                 if (ref($hostedsession) eq 'HASH') {
                     $hosted = $hostedsession->{'hosted'};
                 }
-                my $loncaparev = $clientversion;
-                if ($loncaparev eq '') {
-                    $loncaparev = $Apache::lonnet::loncaparevs{$clientname};
-                }
                 $canhost = &Apache::lonnet::can_host_session($udom,$clientname,
-                                                             $loncaparev,
+                                                             $clientversion,
                                                              $remote,$hosted);
             }
         }
@@ -2134,10 +2112,9 @@ sub change_authentication_handler {
 	my $passfilename = &password_path($udom, $uname);
 	if ($passfilename) {	# Not allowed to create a new user!!
 	    # If just changing the unix passwd. need to arrange to run
-	    # passwd since otherwise make_passwd_file will run
-	    # lcuseradd which fails if an account already exists
-	    # (to prevent an unscrupulous LONCAPA admin from stealing
-	    # an existing account by overwriting it as a LonCAPA account).
+	    # passwd since otherwise make_passwd_file will fail as 
+	    # creation of unix authenticated users is no longer supported
+            # except from the command line, when running make_domain_coordinator.pl
 
 	    if(($oldauth =~/^unix/) && ($umode eq "unix")) {
 		my $result = &change_unix_password($uname, $npass);
@@ -2155,15 +2132,8 @@ sub change_authentication_handler {
 		#  re-run manage_permissions for that role in order to be able
 		#  to take ownership of the construction space back to www:www
 		#
-		
-		
-		if( (($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);
 	    }
 	       
@@ -2373,6 +2343,24 @@ sub fetch_user_file_handler {
 		unlink($transname);
 		&Failure($client, "failed\n", $userinput);
 	    } else {
+                if ($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", $userinput);
 	    }
 	}   
@@ -3179,6 +3167,17 @@ sub get_profile_keys {
 sub dump_profile_database {
     my ($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 ($udom,$uname,$namespace) = split(/:/,$tail);
@@ -3245,6 +3244,9 @@ sub dump_profile_database {
 #                                             that is matched against
 #                                             database keywords to do
 #                                             selective dumps.
+#                               range       - optional range of entries
+#                                             e.g., 10-20 would return the
+#                                             10th to 19th items, etc.  
 #   $client                   - Channel open on the client.
 # Returns:
 #    1    - Continue processing.
@@ -3254,93 +3256,12 @@ sub dump_profile_database {
 sub dump_with_regexp {
     my ($cmd, $tail, $client) = @_;
 
-
-    my $userinput = "$cmd:$tail";
-
-    my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$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);
-	}
+    my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
+    
+    if ($res =~ /^error:/) {
+        Failure($client, \$res, "$cmd:$tail");
     } else {
-	&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
-		"while attempting dump\n", $userinput);
+        Reply($client, \$res, "$cmd:$tail");
     }
 
     return 1;
@@ -3919,6 +3840,17 @@ sub put_course_id_hash_handler {
 #   a reply is written to $client.
 sub dump_course_id_handler {
     my ($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 ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
@@ -4507,6 +4439,49 @@ sub get_id_handler {
 }
 &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", $userinput);
+    }
+    return 1;
+}
+&register_handler("iddel", \&del_id_handler, 0, 1, 0);
+
 #
 # Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database 
 #
@@ -5055,9 +5030,10 @@ sub validate_instcode_handler {
     my ($dom,$instcode,$owner) = split(/:/, $tail);
     $instcode = &unescape($instcode);
     $owner = &unescape($owner);
-    my ($outcome,$description) = 
+    my ($outcome,$description,$credits) = 
         &localenroll::validate_instcode($dom,$instcode,$owner);
-    my $result = &escape($outcome).'&'.&escape($description);
+    my $result = &escape($outcome).'&'.&escape($description).'&'.
+                 &escape($credits);
     &Reply($client, \$result, $userinput);
 
     return 1;
@@ -6030,18 +6006,6 @@ 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
 sub catchexception {
     my ($error)=@_;
@@ -6282,6 +6246,9 @@ sub Debug {
 #     reply   - Text to send to 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 $reply is a string the caller has to ensure this.
 sub Reply {
     my ($fd, $reply, $request) = @_;
     if (ref($reply)) {
@@ -6528,7 +6495,8 @@ sub make_new_child {
 #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();
 	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();
 	}
 
@@ -6573,7 +6541,14 @@ sub make_new_child {
 		#
 		#  If the remote is attempting a local init... give that a try:
 		#
+        logthis("remotereq: $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
 		# certificate files yet, then I'll drop  back to 
@@ -7324,56 +7299,8 @@ sub make_passwd_file {
 	    }
 	}
     } 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(">>>Attempt to create privileged 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 $se "$udom\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";
-	    }
-	}
+	&logthis(">>>Attempt to create unix account blocked -- unix auth not available for new users.");
+	$result="no_new_unix_accounts";
     } elsif ($umode eq 'none') {
 	{
 	    my $pf = IO::File->new("> $passfilename");
@@ -7437,167 +7364,8 @@ sub get_usersession_config {
     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 {
-    my ($reqdmajor,$reqdminor,$major,$minor) = @_; 
-    if ($reqdmajor ne '' && $reqdminor ne '') {
-        return if (($major eq '' && $minor eq '') ||
-                   ($major < $reqdmajor) ||
-                   (($major == $reqdmajor) && ($minor < $reqdminor)));
-    }
-    return 1;
-}
 
 sub distro_and_arch {
     return $dist.':'.$arch;
@@ -7810,7 +7578,7 @@ Place in B<logs/lond.log>
 
 stores hash in namespace
 
-=item rolesputy
+=item rolesput
 
 put a role into a user's environment
 
@@ -7927,6 +7695,8 @@ Authen::Krb5
 
 =head1 COREQUISITES
 
+none
+
 =head1 OSNAMES
 
 linux
@@ -8014,9 +7784,9 @@ or the CA's certificate in the call to l
 <error> is the textual reason this failed.  Usual reasons:
 
 =over 2
-       
+
 =item Apache config file for loncapa  incorrect:
- 
+
 one of the variables 
 lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
 undefined or incorrect
@@ -8135,7 +7905,7 @@ Could not rewrite the
 internal password file for a user
 
 =item Result of password change for <user> : <result>
-                                                                     
+
 A unix password change for <user> was attempted 
 and the pipe returned <result>  
 
@@ -8164,7 +7934,7 @@ lond has been asked to exit by its clien
 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>].
-                                                 
+
 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,
 <hostname> the host lond is working for, and <message> the reason the child died
@@ -8248,7 +8018,7 @@ file when sent it's USR1 signal.  That p
 assumed to be hung in some un-fixable way.
 
 =item Finished checking children                   
- 
+
 Master processs's USR1 processing is cojmplete.
 
 =item (Red) CRITICAL: ------- Starting ------            
@@ -8262,7 +8032,7 @@ Started a new child process for <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
-                                                  
+
 In child process initialization.  either getpeername returned undef or
 a zero sized object was returned.  Processing continues, but in my opinion,
 this should be cause for the child to exit.
@@ -8273,7 +8043,7 @@ In child process initialization.  The pe
 The client address is stored as "Unavailable" and processing continues.
 
 =item (Yellow) INFO: Connection <ip> <name> connection type = <type>
-                                                  
+
 In child initialization.  A good connectionw as received from <ip>.
 
 =over 2
@@ -8323,7 +8093,7 @@ The client (<client> is the peer's name
 negotiated an SSL connection with this child process.
 
 =item (Green) Successful insecure authentication with <client>
-                                                   
+
 
 The client has successfully negotiated an  insecure connection withthe child process.