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<?php
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/* $Id$ */
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/*
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interfaces_gif_edit.php
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Copyright (C) 2008 Ermal Lu?i
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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##|+PRIV
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##|*IDENT=page-interfaces-gif-edit
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##|*NAME=Interfaces: GIF: Edit page
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##|*DESCR=Allow access to the 'Interfaces: GIF: Edit' page.
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##|*MATCH=interfaces_gif_edit.php*
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##|-PRIV
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require("guiconfig.inc");
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if (!is_array($config['gifs']['gif']))
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$config['gifs']['gif'] = array();
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$a_gifs = &$config['gifs']['gif'];
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$id = $_GET['id'];
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if (isset($_POST['id']))
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$id = $_POST['id'];
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if (isset($id) && $a_gifs[$id]) {
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$pconfig['if'] = $a_gifs[$id]['if'];
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$pconfig['gifif'] = $a_gifs[$id]['gifif'];
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$pconfig['remote-addr'] = $a_gifs[$id]['remote-addr'];
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$pconfig['tunnel-remote-net'] = $a_gifs[$id]['tunnel-remote-net'];
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$pconfig['tunnel-local-addr'] = $a_gifs[$id]['tunnel-local-addr'];
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$pconfig['tunnel-remote-addr'] = $a_gifs[$id]['tunnel-remote-addr'];
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$pconfig['link1'] = isset($a_gifs[$id]['link1']);
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$pconfig['link0'] = isset($a_gifs[$id]['link0']);
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$pconfig['descr'] = $a_gifs[$id]['descr'];
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}
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if ($_POST) {
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unset($input_errors);
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$pconfig = $_POST;
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/* input validation */
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$reqdfields = explode(" ", "if tunnel-remote-addr tunnel-remote-net tunnel-local-addr");
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$reqdfieldsn = explode(",", "Parent interface,Local address, Remote tunnel address, Remote tunnel network, Local tunnel address");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if ((!is_ipaddr($_POST['tunnel-local-addr'])) || (!is_ipaddr($_POST['tunnel-remote-addr'])) ||
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(!is_ipaddr($_POST['remote-addr']))) {
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$input_errors[] = "All fildes must have valid ip addresses.";
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}
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foreach ($a_gifs as $gif) {
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if (isset($id) && ($a_gifs[$id]) && ($a_gifs[$id] === $gif))
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continue;
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if (($gif['if'] == $_POST['if']) && ($gif['tunnel-remote-net'] == $_POST['tunnel-remote-net'])) {
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$input_errors[] = "A gif with the network {$gif['remote-network']} is already defined.";
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break;
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}
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}
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if (!$input_errors) {
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$gif = array();
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$gif['if'] = $_POST['if'];
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$gif['tunnel-local-addr'] = $_POST['tunnel-local-addr'];
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$gif['tunnel-remote-addr'] = $_POST['tunnel-remote-addr'];
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$gif['tunnel-remote-net'] = $_POST['tunnel-remote-net'];
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$gif['remote-addr'] = $_POST['remote-addr'];
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$gif['descr'] = $_POST['descr'];
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$gif['link1'] = isset($_POST['link1']);
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$gif['link0'] = isset($_POST['link0']);
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$gif['gifif'] = $_POST['gifif'];
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$gif['gifif'] = interface_gif_configure($gif);
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if ($gif['gifif'] == "" || !stristr($gif['gifif'], "gif"))
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$input_errors[] = "Error occured creating interface, please retry.";
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else {
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if (isset($id) && $a_gifs[$id])
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$a_gifs[$id] = $gif;
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else
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$a_gifs[] = $gif;
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write_config();
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header("Location: interfaces_gif.php");
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exit;
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}
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}
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}
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$pgtitle = array("Firewall","GIF","Edit");
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<form action="interfaces_gif_edit.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td colspan="2" valign="top" class="listtopic">GIF configuration</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Parent interface</td>
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<td width="78%" class="vtable">
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<select name="if" class="formselect">
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<?php
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$portlist = get_configured_interface_with_descr();
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foreach ($portlist as $ifn => $ifinfo) {
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echo "<option value=\"{$ifn}\"";
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if ($ifn == $pconfig['if'])
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echo "selected";
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echo ">{$ifinfo}</option>";
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}
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?>
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</select>
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<br/>
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<span class="vexpl">The interface here servers as the local address to be used for the gif tunnel.</span></td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">gif remote address</td>
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<td class="vtable">
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<input name="remote-addr" type="text" class="formfld unknown" id="remote-addr" size="16" value="<?=$pconfig['remote-addr'];?>">
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<br>
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<span class="vexpl">Peer address where encapsulated gif packets will be sent. </span></td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">gif tunnel local address</td>
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<td class="vtable">
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<input name="tunnel-local-addr" type="text" class="formfld unknown" id="tunnel-local-addr" size="16" value="<?=$pconfig['tunnel-local-addr'];?>">
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<br>
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<span class="vexpl">Local gif tunnel endpoint</span></td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">gif tunnel remote address </td>
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<td class="vtable">
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<input name="tunnel-remote-addr" type="text" class="formfld unknown" id="tunnel-remote-addr" size="16" value="<?=$pconfig['tunnel-remote-addr'];?>">
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<select name="tunnel-remote-net" class="formselect" id="tunnel-remote-net">
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<?php
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for ($i = 32; $i > 0; $i--) {
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if($i <> 31) {
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echo "<option value=\"{$i}\" ";
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if ($i == $pconfig['tunnel-remote-net']) echo "selected";
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echo ">" . $i . "</option>";
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}
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}
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?>
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</select>
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<br/>
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<span class="vexpl">Remote gif address endpoint. The subnet part is used for the determinig the network that is tunneled.</span></td>
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</tr>
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<tr>
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<td valign="top" class="vncell">Route caching </td>
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<td class="vtable">
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<input name="link0" type="checkbox" id="link0" <?if ($pconfig['link0']) echo "checked";?>>
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<br>
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<span class="vexpl">Specify if route caching can be enabled. Be careful with these settings on dynamic networks. </span></td>
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</tr>
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<tr>
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<td valign="top" class="vncell">ECN friendly behaviour</td>
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<td class="vtable">
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<input name="link1" type="checkbox" id="link1" <?if ($pconfig['link1']) echo "checked";?>>
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<br>
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<span class="vexpl">
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Note that the ECN friendly behavior violates RFC2893. This should be
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used in mutual agreement with the peer.
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</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Description</td>
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<td width="78%" class="vtable">
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<input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>">
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<br> <span class="vexpl">You may enter a description here
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for your reference (not parsed).</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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<input type="hidden" name="gifif" value="<?=$pconfig['gifif']; ?>">
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<input name="Submit" type="submit" class="formbtn" value="Save"> <input type="button" value="Cancel" onclick="history.back()">
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<?php if (isset($id) && $a_gifs[$id]): ?>
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<input name="id" type="hidden" value="<?=$id;?>">
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<?php endif; ?>
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</td>
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</tr>
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</table>
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</form>
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<?php include("fend.inc"); ?>
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</body>
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</html>
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