From e0d088c76ee0639a3979ffc810867a0221a3213d Mon Sep 17 00:00:00 2001
From: Andreas Brodmann <andreas.brodmann@gmail.com>
Date: Mon, 19 Nov 2007 14:50:04 +0000
Subject: /acf/dhcp: properly enable/disable dynamic hosts window and advanced
 window

git-svn-id: svn://svn.alpinelinux.org/acf/dhcp/trunk@336 ab2d0c66-481e-0410-8bed-d214d4d58bed
---
 dhcp-controller.lua   | 14 +++++++++++---
 dhcp-editnet-html.lsp | 39 ++++++++++++++++++++++++++++++++++-----
 dhcp-model.lua        | 23 +++++++++++++----------
 3 files changed, 58 insertions(+), 18 deletions(-)

diff --git a/dhcp-controller.lua b/dhcp-controller.lua
index 4db9f25..d0a046f 100644
--- a/dhcp-controller.lua
+++ b/dhcp-controller.lua
@@ -125,9 +125,17 @@ editnet = function ( self )
 
 	if self.clientdata.cmd == "update" then
 		tmp = self.clientdata
+		dynamicx = tmp.dynamichosts
+		advancedx = tmp.advanced
+		if tmp.unknownclients == "permit" then
+			dynamicx = tmp.dynamicx
+		end
+		if tmp.useadvanced ~= "use" then
+			advancedx = tmp.advancedx
+		end
 		net = self.model.create_new_net( tmp.name, tmp.defleasetime, tmp.maxleasetime, tmp.gateway,
 		          tmp.domainname, tmp.dnssrv1, tmp.dnssrv2, tmp.subnet, tmp.netmask, tmp.leaserangestart,
-		          tmp.leaserangeend, tmp.wpad, tmp.statichosts, tmp.unknownclients, tmp.dynamichosts, tmp.advanced )
+		          tmp.leaserangeend, tmp.wpad, tmp.statichosts, tmp.unknownclients, dynamicx, advancedx, tmp.useadvanced )
 	 	errcode, net = self.model.subnet_write( net )
 	 	return ( cfe({ option = option, value = net, errcode = errcode }) )
 	end
@@ -150,13 +158,13 @@ createnet = function ( self )
 	               }
 	               
 	if self.clientdata.cmd == "new" then
-		net = self.model.create_new_net( "<new>", nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil )
+		net = self.model.create_new_net( "<new>", nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil )
 		return ( cfe({ option = option, value = net, errcode = { msg = "", fields = nil }}) )
 	elseif self.clientdata.cmd == "create" then
 		tmp = self.clientdata
 		net = self.model.create_new_net( tmp.name, tmp.defleasetime, tmp.maxleasetime, 
 		         tmp.gateway, tmp.domainname, tmp.dnssrv1, tmp.dnssrv2, tmp.subnet, 
-		         tmp.netmask, tmp.leaserangestart, tmp.leaserangeend, tmp.wpad, "", tmp.unknownclients, "", "" )
+		         tmp.netmask, tmp.leaserangestart, tmp.leaserangeend, tmp.wpad, "", tmp.unknownclients, "", "", "" )
 		errcode, net = self.model.subnet_create( net )
 		if #errcode.msg == 0 then
 			self.conf.type = "redir"
diff --git a/dhcp-editnet-html.lsp b/dhcp-editnet-html.lsp
index 92c83c4..d2b4c75 100644
--- a/dhcp-editnet-html.lsp
+++ b/dhcp-editnet-html.lsp
@@ -4,6 +4,31 @@
    local net = form.value 
    local errcode = form.errcode
 ?>
+<script language="JavaScript">
+
+   function handleDynChg() {
+      if (document.myform.unknownclients.value == "permit") {
+         document.getElementById('dynamic').innerHTML = '';
+      } else {
+         document.getElementById('dynamic').innerHTML = '<textarea name="dynamichosts" style="width:600px">' + document.myform.dynamicx.value + '</textarea>';
+      }
+   }
+   
+   function initDynChg() {
+      if (document.myform.unknownclients.value == "deny") {
+         document.getElementById('dynamic').innerHTML = '<textarea name="dynamichosts" style="width:600px">' + document.myform.dynamicx.value + '</textarea>';
+      }
+   }
+   
+   function handleAdvChg() {
+      if (document.myform.useadvanced.checked == true) {
+         document.getElementById('advanced').innerHTML = '<textarea name="advanced" style="width:600px">' + document.myform.advancedx.value + '</textarea>';
+      } else {
+         document.getElementById('advanced').innerHTML = '';
+      }
+   }
+  
+</script>
 <h1>Basic Configuration</h1>
 <h2>Subnet: <? io.write(net.name.value) ?></h2>
 
@@ -13,7 +38,7 @@
    end
 ?>
 
-<form name="mainform" action="<? io.write(option.script .. option.prefix ..  
+<form name="myform" action="<? io.write(option.script .. option.prefix ..  
                  option.controller .. "/" .. option.action .. option.extra) ?>" method="POST">
 <input type="hidden" name="name" value="<? io.write(net.name.value) ?>">
 <input type="hidden" name="dynhost1" value="">
@@ -29,7 +54,7 @@
    <tr><td><nobr>WPAD:</nobr></td><td><input type="text" name="wpad" value="<? io.write(net.wpad.value) ?>"></td></tr>
    <tr><td><nobr>Lease Range Start:</nobr></td><td><input type="text" name="leaserangestart" value="<? io.write(net.leaserangestart.value) ?>"></td></tr>
    <tr><td><nobr>Lease Range End:</nobr></td><td><input type="text" name="leaserangeend" value="<? io.write(net.leaserangeend.value) ?>"></td></tr>
-   <tr><td><nobr>Unknown Clients</nobr></td><td><select name="unknownclients" size="1">
+   <tr><td><nobr>Unknown Clients</nobr></td><td><select name="unknownclients" size="1" onChange="javascript:handleDynChg();">
 <?
    if net.unknownclients.value == "permit" then
       io.write("      <option selected>permit</option>\n");
@@ -61,14 +86,16 @@ Enter one host per line in the format: <i>hostname;mac;comment</i><br>
 <tr><td>MAC</td><td>XX:XX:XX:XX:XX:XX</td></tr>
 </table>
 <table>
-<tr><td><div id="dynamic"><textarea name="dynamichosts" style="width:600px;"><? io.write( net.dynamichosts.value ) ?></textarea></div></td></tr>
+<tr><td><div id="dynamic"></div></td></tr>
 </table><br>
+<input type="hidden" name="advancedx" value="<? io.write(net.advanced.value) ?>">
+<input type="hidden" name="dynamicx" value="<? io.write(net.dynamichosts.value) ?>">
 
 <h2>Subnet: Advanced Configuration</h2>
-<input type="checkbox" name="use_advanced"> <i>Activate Advanced Configuration - use with caution!</i><br><br>
+<input type="checkbox" name="useadvanced" value="use" onChange="javascript:handleAdvChg();"> <i>Activate Advanced Configuration - use with caution!</i><br><br>
 <table>
 <tr><td>
-<div id="advanced"><textarea name="advanced" style="width:600px"><? io.write( net.advanced.value ) ?></textarea></div></td></tr>
+<div id="advanced"></div></td></tr>
 <tr><td><input type=submit name="cmd" value="update" style="width:100px"></form>
 <form action="<? io.write(option.script .. option.prefix .. option.controller .. "/delnet") ?>" method="POST">
   <input type=submit name="cmd" value="delete" style="width:100px">
@@ -77,4 +104,6 @@ Enter one host per line in the format: <i>hostname;mac;comment</i><br>
   <input type=submit name="cmd" value="back" style="width:100px"></form></td></tr>
 </table>
 </form>
+<body onload="initDynChg();">
+</body>
 
diff --git a/dhcp-model.lua b/dhcp-model.lua
index 7361bc0..63a0533 100644
--- a/dhcp-model.lua
+++ b/dhcp-model.lua
@@ -325,7 +325,7 @@ end
 
 subnet_read = function( name )
 	local filename = cfgdir .. name .. ".subnet"
-	local net = create_new_net( name, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil )
+	local net = create_new_net( name, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil )
 
 	for line in io.lines(filename) do
 		if (string.sub(line, 1, 15) == "def-lease-time:") then
@@ -478,16 +478,18 @@ subnet_write = function( net )
 		table.insert( fields, "statichosts" )
 	end
 
-	spec_msg = validate_dynamichosts( net.dynamichosts.value )
-	if #spec_msg == 0 then
-		spec_msg = subnet_update_dynamichosts( net.name.value, net.dynamichosts.value )
-		if #spec_msg > 0 then
+        if net.unknownclients.value == "deny" then
+		spec_msg = validate_dynamichosts( net.dynamichosts.value )
+		if #spec_msg == 0 then
+			spec_msg = subnet_update_dynamichosts( net.name.value, net.dynamichosts.value )
+			if #spec_msg > 0 then
+				msg = spec_msg
+				table.insert( fields, "dynamichosts" )
+			end
+		else
 			msg = spec_msg
 			table.insert( fields, "dynamichosts" )
 		end
-	else
-		msg = spec_msg
-		table.insert( fields, "dynamichosts" )
 	end
 	
 	spec_msg = subnet_update_advanced( net.name.value, net.advanced.value )
@@ -776,7 +778,7 @@ get_subnets = function ()
 	return retval
 end
 
-create_new_net = function( name, defleasetime, maxleasetime, gateway, domainname, dnssrv1, dnssrv2, subnet, netmask, leaserangestart, leaserangeend, wpad, statichosts, unknownclients, dynamichosts, advanced )
+create_new_net = function( name, defleasetime, maxleasetime, gateway, domainname, dnssrv1, dnssrv2, subnet, netmask, leaserangestart, leaserangeend, wpad, statichosts, unknownclients, dynamichosts, advanced, useadvanced )
 	net = { name         = { label="Name", value=nonil(name), type="message" },
 	        defleasetime = { label="Default Lease Time", value=nonil(defleasetime), type="text" },
 	        maxleasetime = { label="Maximum Lease Time", value=nonil(maxleasetime), type="text" },
@@ -792,7 +794,8 @@ create_new_net = function( name, defleasetime, maxleasetime, gateway, domainname
 	        statichosts    = { label="Static Hosts", value=nonil(statichosts), type="text" },
 	        dynamichosts   = { label="Dynamic Hosts", value=nonil(dynamichosts), type="text" },
 	        unknownclients = { label="Unknown Clients", value=nonil(unknownclients), type="text" },
-	        advanced       = { label="Advanced", value=nonil(advanced), type="text" }
+	        advanced       = { label="Advanced", value=nonil(advanced), type="text" },
+	        useadvanced    = { label="Use Advanced", value=nonil(useadvanced), type="text" }
 	      }
 	if net.unknownclients.value ~= "permit" then
 		net.unknownclients.value = "deny"
-- 
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