--- loncom/lond	2007/04/04 00:03:40	1.370
+++ loncom/lond	2007/08/02 01:31:48	1.377
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.370 2007/04/04 00:03:40 albertel Exp $
+# $Id: lond,v 1.377 2007/08/02 01:31:48 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -59,7 +59,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.370 $'; #' stupid emacs
+my $VERSION='$Revision: 1.377 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -69,7 +69,6 @@ my $clientip;			# IP address of client.
 my $clientname;			# LonCAPA name of client.
 
 my $server;
-my $thisserver;			# DNS of us.
 
 my $keymode;
 
@@ -136,7 +135,7 @@ my @adderrors    = ("ok",
 		    "lcuseradd Unable to make www member of users's group",
 		    "lcuseradd Unable to su to root",
 		    "lcuseradd Unable to set password",
-		    "lcuseradd Usrname has invalid characters",
+		    "lcuseradd Username has invalid characters",
 		    "lcuseradd Password has an invalid character",
 		    "lcuseradd User already exists",
 		    "lcuseradd Could not add user.",
@@ -172,19 +171,16 @@ sub ResetStatistics {
 #   $Socket      - Socket open on client.
 #   $initcmd     - The full text of the init command.
 #
-# Implicit inputs:
-#    $thisserver - Our DNS name.
-#
 # Returns:
 #     IDEA session key on success.
 #     undef on failure.
 #
 sub LocalConnection {
     my ($Socket, $initcmd) = @_;
-    Debug("Attempting local connection: $initcmd client: $clientip me: $thisserver");
+    Debug("Attempting local connection: $initcmd client: $clientip");
     if($clientip ne "127.0.0.1") {
 	&logthis('<font color="red"> LocalConnection rejecting non local: '
-		 ."$clientip ne $thisserver </font>");
+		 ."$clientip ne 127.0.0.1 </font>");
 	close $Socket;
 	return undef;
     }  else {
@@ -4644,6 +4640,30 @@ sub inst_usertypes_handler {
 }
 &register_handler("inst_usertypes", \&inst_usertypes_handler, 0, 1, 0);
 
+sub inst_dirsrch_handler {
+    my ($cmd, $tail, $client) = @_;
+    my ($domain,$srchby,$srchterm,$srchtype) = split(/:/, $tail);
+    $srchby = &unescape($srchby);
+    $srchterm = &unescape($srchterm);
+    my $userinput = $cmd.":".$tail; # For logging purposes.
+    my (%instusers,%instids,$result,$res);
+    eval {
+        local($SIG{__DIE__})='DEFAULT';
+        $result=&localenroll::get_userinfo($domain,undef,undef,\%instusers,\%instids,undef,$srchby,$srchterm,$srchtype);
+    };
+    if ($result eq 'ok') {
+        if (keys(%instusers) > 0) {
+            foreach my $key (keys(%instusers)) {
+                my $usrstr = &Apache::lonnet::hash2str(%{$instusers{$key}});
+                $res.=&escape($key).'='.&escape($usrstr).'&';
+            }
+        }
+        $res=~s/\&$//;
+    }
+    &Reply($client, "$res\n", $userinput);
+}
+&register_handler("instdirsrch", \&inst_dirsrch_handler, 0, 1, 0);
+
 # mkpath makes all directories for a file, expects an absolute path with a
 # file or a trailing / if just a dir is passed
 # returns 1 on success 0 on failure
@@ -4907,7 +4927,7 @@ sub catchexception {
     $SIG{__DIE__}='DEFAULT';
     &status("Catching exception");
     &logthis("<font color='red'>CRITICAL: "
-     ."ABNORMAL EXIT. Child $$ for server $thisserver died through "
+     ."ABNORMAL EXIT. Child $$ for server ".$perlvar{'lonHostID'}." died through "
      ."a crash with this error msg->[$error]</font>");
     &logthis('Famous last words: '.$status.' - '.$lastlog);
     if ($client) { print $client "error: $error\n"; }
@@ -5048,12 +5068,12 @@ sub UpdateHosts {
     #  either dropped or changed hosts.  Note that the re-read of the table
     #  will take care of new and changed hosts as connections come into being.
 
-    #FIXME need a way to tell lonnet that it needs to reset host
-    #cached host info
+    &Apache::lonnet::reset_hosts_info();
 
     foreach my $child (keys(%children)) {
 	my $childip = $children{$child};
-	if (defined(&Apache::lonnet::get_hosts_from_ip($childip))) {
+	if ($childip ne '127.0.0.1'
+	    && !defined(&Apache::lonnet::get_hosts_from_ip($childip))) {
 	    logthis('<font color="blue"> UpdateHosts killing child '
 		    ." $child for ip $childip </font>");
 	    kill('INT', $child);
@@ -5371,8 +5391,6 @@ sub make_new_child {
 # -----------------------------------------------------------------------------
 	# see if we know client and 'check' for spoof IP by ineffective challenge
 
-	ReadManagerTable;	# May also be a manager!!
-	
 	my $outsideip=$clientip;
 	if ($clientip eq '127.0.0.1') {
 	    $outsideip=&Apache::lonnet::get_host_ip($perlvar{'lonHostID'});
@@ -5492,7 +5510,7 @@ sub make_new_child {
 # ---------------- New known client connecting, could mean machine online again
 	    if (&Apache::lonnet::get_host_ip($currenthostid) ne $clientip 
 		&& $clientip ne '127.0.0.1') {
-		&Apache::lonnet::reconlonc();
+		&Apache::lonnet::reconlonc($clientname);
 	    }
 	    &logthis("<font color='green'>Established connection: $clientname</font>");
 	    &status('Will listen to '.$clientname);
@@ -6021,7 +6039,7 @@ sub subscribe {
                 # the metadata
 		unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); }
 		$fname=~s/\/home\/httpd\/html\/res/raw/;
-		$fname="http://$thisserver/".$fname;
+		$fname="http://".&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname;
 		$result="$fname\n";
 	    }
 	} else {