Index: openacs-4/packages/chat/tcl/chat-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/tcl/chat-procs.tcl,v
diff -u -r1.5.2.6 -r1.5.2.7
--- openacs-4/packages/chat/tcl/chat-procs.tcl	25 Apr 2006 10:43:50 -0000	1.5.2.6
+++ openacs-4/packages/chat/tcl/chat-procs.tcl	20 Jun 2006 00:28:19 -0000	1.5.2.7
@@ -281,6 +281,8 @@
 } {
     Explicit ban user from this chat room.
 } {
+    util_memoize_flush  \
+	"permission::permission_p_not_cached -party_id $party_id -object_id $room_id -privilege chat_ban"
     db_exec_plsql ban_user {}
 }
 
@@ -291,6 +293,8 @@
 } {
     unban user from this chat room.
 } {
+    util_memoize_flush  \
+	"permission::permission_p_not_cached -party_id $party_id -object_id $room_id -privilege chat_ban"
     db_exec_plsql ban_user {}
 }
 
Index: openacs-4/packages/chat/www/room-enter.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/Attic/room-enter.tcl,v
diff -u -r1.3.2.2 -r1.3.2.3
--- openacs-4/packages/chat/www/room-enter.tcl	7 Apr 2006 16:59:52 -0000	1.3.2.2
+++ openacs-4/packages/chat/www/room-enter.tcl	20 Jun 2006 00:28:20 -0000	1.3.2.3
@@ -16,6 +16,7 @@
 set read_p  [permission::permission_p -object_id $room_id -privilege "chat_read"]
 set write_p [permission::permission_p -object_id $room_id -privilege "chat_write"]
 set ban_p   [permission::permission_p -object_id $room_id -privilege "chat_ban"]
+ns_log notice "--query ban $ban_p: permission::permission_p -object_id $room_id -privilege chat_ban -party_id [ad_conn user_id]"
 set active  [room_active_status $room_id]
 
 if { ($read_p == "0" && $write_p == "0") || ($ban_p == "1") || ($active == "f") } {
Index: openacs-4/packages/chat/www/search-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/search-2.tcl,v
diff -u -r1.1.2.1 -r1.1.2.2
--- openacs-4/packages/chat/www/search-2.tcl	30 Mar 2006 09:15:12 -0000	1.1.2.1
+++ openacs-4/packages/chat/www/search-2.tcl	20 Jun 2006 00:28:20 -0000	1.1.2.2
@@ -23,7 +23,7 @@
 # Check input.
 set exception_count 0
 set exception_text ""
-set SQL_LIMIT 10
+set SQL_LIMIT 20
 
 set context [list [list "./" "Users"] "Search"]
 
Index: openacs-4/packages/chat/www/search-3.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/search-3.tcl,v
diff -u -r1.1 -r1.1.2.1
--- openacs-4/packages/chat/www/search-3.tcl	14 Mar 2006 12:16:09 -0000	1.1
+++ openacs-4/packages/chat/www/search-3.tcl	20 Jun 2006 00:28:20 -0000	1.1.2.1
@@ -6,7 +6,7 @@
     party_id:integer,notnull
 }
 
-if {[string equal $type "user"] == 1} {
+if {$type eq "user"} {
   ad_require_permission $room_id chat_user_grant
   chat_user_grant $room_id $party_id
 } else {
Index: openacs-4/packages/chat/www/ajax/chat.js
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/ajax/Attic/chat.js,v
diff -u -r1.1.2.4 -r1.1.2.5
--- openacs-4/packages/chat/www/ajax/chat.js	7 Apr 2006 16:59:52 -0000	1.1.2.4
+++ openacs-4/packages/chat/www/ajax/chat.js	20 Jun 2006 00:28:20 -0000	1.1.2.5
@@ -186,7 +186,7 @@
         //     updateInterval = setInterval(updateDataConnections,5000);
         // }
         if (this.busy) {
-            alert("chatSendMsg conflict!");
+            alert("chatSendMsg conflict! Maybe banned?");
         }
         var msgField = document.getElementById('chatMsg');
         if (msgField.value == '') {
Index: openacs-4/packages/chat/www/ajax/chat.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/ajax/Attic/chat.tcl,v
diff -u -r1.1.2.7 -r1.1.2.8
--- openacs-4/packages/chat/www/ajax/chat.tcl	13 Jun 2006 00:32:45 -0000	1.1.2.7
+++ openacs-4/packages/chat/www/ajax/chat.tcl	20 Jun 2006 00:28:20 -0000	1.1.2.8
@@ -11,6 +11,14 @@
   {msg:optional,allhtml ""}
 }
 
+set ban_p [permission::permission_p -object_id $id -privilege "chat_ban"]
+if {$ban_p} {
+  ns_return 200 text/html "<HTML><BODY>\
+	<div id='messages'>[_ chat.You_dont_have_permission_room]</div>\
+	</BODY></HTML>"
+  ad_script_abort
+}
+
 set message_output ""
 set user_output "-"