Implement a certificate authority and certificate webui that can be used

to centrally manage this data. There are no consumers at this time. This
interface allow for the following ...

Certificate Authority Manager:
- List certificates authorities
- Import existing certificate authority
- Create internal certificate authority

Certificate Manager:
- List certificates
- Import existing certificate
- Create internal certificate using an internal CA
- Generate certificate signing request for external CAs
- Process certificate signing response from external CAs

Certificate revocation is not currently implemented. The user system will
also be extended to allow for user specific certificate management in a
follow-up commit.

1 files changed, 459 insertions, 0 deletions

diff --git a/usr/local/www/system_camanager.php b/usr/local/www/system_camanager.php
new file mode 100644
index 0000000..168372c
--- /dev/null
+++ b/usr/local/www/system_camanager.php
@@ -0,0 +1,459 @@
+<?php
+/*
+    system_camanager.php
+
+    Copyright (C) 2008 Shrew Soft Inc.
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+*/
+
+##|+PRIV
+##|*IDENT=page-system-camanager
+##|*NAME=System: CA Manager
+##|*DESCR=Allow access to the 'System: CA Manager' page.
+##|*MATCH=system_camanager.php*
+##|-PRIV
+
+require("guiconfig.inc");
+
+$ca_methods = array(
+	"existing" => "Import an existing Certificate Authority",
+	"internal" => "Create an internal Certificate Authority");
+
+$ca_keylens = array( "512", "1024", "2048", "4096");
+
+$pgtitle = array("System", "Certificate Authority Manager");
+
+$id = $_GET['id'];
+if (isset($_POST['id']))
+	$id = $_POST['id'];
+
+if (!is_array($config['system']['ca']))
+	$config['system']['ca'] = array();
+
+$a_ca =& $config['system']['ca'];
+
+if (!is_array($config['system']['cert']))
+	$config['system']['cert'] = array();
+
+$a_cert =& $config['system']['cert'];
+
+$act = $_GET['act'];
+if ($_POST['act'])
+	$act = $_POST['act'];
+
+if ($act == "del") {
+
+	if (!$a_ca[$id]) {
+		pfSenseHeader("system_camanager.php");
+		exit;
+	}
+
+	$index = count($a_cert) - 1;
+	for (;$index >=0; $index--)
+		if ($a_cert[$index]['caref'] == $a_ca[$id]['refid'])
+			unset($a_cert[$index]);
+
+	$name = $a_ca[$id]['name'];
+	unset($a_ca[$id]);
+	write_config();
+	$savemsg = gettext("Certificate Authority")." {$name} ".
+				gettext("successfully deleted")."<br/>";
+}
+
+if ($act == "new") {
+	$pconfig['method'] = $_GET['method'];
+	$pconfig['keylen'] = "2048";
+	$pconfig['lifetime'] = "365";
+	$pconfig['dn_commonname'] = "internal-ca";
+}
+
+if ($_POST) {
+
+	unset($input_errors);
+	$pconfig = $_POST;
+
+	/* input validation */
+	if ($pconfig['method'] == "existing") {
+		$reqdfields = explode(" ", "name cert");
+		$reqdfieldsn = explode(",", "Desriptive name,Certificate data");
+	}
+	if ($pconfig['method'] == "internal") {
+		$reqdfields = explode(" ",
+				"name keylen lifetime dn_country dn_state dn_city ".
+				"dn_organization dn_email dn_commonname");
+		$reqdfieldsn = explode(",",
+				"Desriptive name,Key length,Lifetime,".
+				"Distinguished name Country Code,".
+				"Distinguished name State or Province,".
+				"Distinguished name City,".
+				"Distinguished name Organization,".
+				"Distinguished name Email Address,".
+				"Distinguished name Common Name");
+	}
+
+	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
+
+	/* if this is an AJAX caller then handle via JSON */
+	if (isAjax() && is_array($input_errors)) {
+		input_errors2Ajax($input_errors);
+		exit;
+	}
+
+	/* save modifications */
+	if (!$input_errors) {
+
+		$ca = array();
+		$ca['refid'] = uniqid();
+		if (isset($id) && $a_ca[$id])
+			$ca = $a_ca[$id];
+
+	    $ca['name'] = $pconfig['name'];
+
+		if ($pconfig['method'] == "existing")
+			ca_import($ca, $pconfig['cert']);
+
+		if ($pconfig['method'] == "internal")
+		{
+			$dn = array(
+				'countryName' => $pconfig['dn_country'],
+				'stateOrProvinceName' => $pconfig['dn_state'],
+				'localityName' => $pconfig['dn_city'],
+				'organizationName' => $pconfig['dn_organization'],
+				'emailAddress' => $pconfig['dn_email'],
+				'commonName' => $pconfig['dn_commonname']);
+
+			ca_create($ca, $pconfig['keylen'], $pconfig['lifetime'], $dn);
+		}
+
+		if (isset($id) && $a_ca[$id])
+			$a_ca[$id] = $ca;
+		else
+			$a_ca[] = $ca;
+
+		write_config();
+
+//		pfSenseHeader("system_camanager.php");
+	}
+}
+
+include("head.inc");
+?>
+
+<body link="#000000" vlink="#000000" alink="#000000" onload="<?= $jsevents["body"]["onload"] ?>">
+<?php include("fbegin.inc"); ?>
+<script type="text/javascript">
+<!--
+
+function method_change() {
+
+	method = document.iform.method.selectedIndex;
+
+	switch (method) {
+		case 0:
+			document.getElementById("existing").style.display="";
+			document.getElementById("internal").style.display="none";
+			break;
+		case 1:
+			document.getElementById("existing").style.display="none";
+			document.getElementById("internal").style.display="";
+			break;
+	}
+}
+
+//-->
+</script>
+<?php
+	if ($input_errors)
+		print_input_errors($input_errors);
+	if ($savemsg)
+		print_info_box($savemsg);
+?>
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+	<tr>
+		<td class="tabnavtbl">
+		<?php
+			$tab_array = array();
+			$tab_array[] = array(gettext("Users"), false, "system_usermanager.php");
+			$tab_array[] = array(gettext("Groups"), false, "system_groupmanager.php");
+			$tab_array[] = array(gettext("CAs"), true, "system_camanager.php");
+			$tab_array[] = array(gettext("Certificates"), false, "system_certmanager.php");
+			$tab_array[] = array(gettext("Servers"), false, "system_authservers.php");
+			$tab_array[] = array(gettext("Settings"), false, "system_usermanager_settings.php");
+			display_top_tabs($tab_array);
+		?>
+		</td>
+	</tr>
+	<tr>
+		<td class="tabcont">
+
+			<?php if ($act == "new" || $act == "save" || $input_errors): ?>
+
+			<form action="system_camanager.php" method="post" name="iform" id="iform">
+				<table width="100%" border="0" cellpadding="6" cellspacing="0">
+					<tr>
+						<td width="22%" valign="top" class="vncellreq"><?=gettext("Descriptive name");?></td>
+						<td width="78%" class="vtable">
+							<input name="name" type="text" class="formfld unknown" id="name" size="20" value="<?=htmlspecialchars($pconfig['name']);?>"/>
+						</td>
+					</tr>
+					<?php if (!isset($id)): ?>
+					<tr>
+						<td width="22%" valign="top" class="vncellreq"><?=gettext("Method");?></td>
+						<td width="78%" class="vtable">
+							<select name='method' id='method' class="formselect" onchange='method_change()'>
+							<?php
+								foreach($ca_methods as $method => $desc):
+								$selected = "";
+								if ($pconfig['method'] == $method)
+									$selected = "selected";
+							?>
+								<option value="<?=$method;?>"<?=$selected;?>><?=$desc;?></option>
+							<?php endforeach; ?>
+							</select>
+						</td>
+					</tr>
+					<?php endif; ?>
+				</table>
+
+				<table width="100%" border="0" cellpadding="6" cellspacing="0" id="existing">
+					<tr>
+						<td colspan="2" class="list" height="12"></td>
+					</tr>
+					<tr>
+						<td colspan="2" valign="top" class="listtopic">Existing Certificate Authority</td>
+					</tr>
+
+					<tr>
+						<td width="22%" valign="top" class="vncellreq">Certificate data</td>
+						<td width="78%" class="vtable">
+							<textarea name="cert" id="cert" cols="65" rows="7" class="formfld_cert"><?=$pconfig['cert'];?></textarea>
+							<br>
+							Paste a certificate in X.509 PEM format here.</td>
+						</td>
+					</tr>
+				</table>
+
+				<table width="100%" border="0" cellpadding="6" cellspacing="0" id="internal">
+					<tr>
+						<td colspan="2" class="list" height="12"></td>
+					</tr>
+					<tr>
+						<td colspan="2" valign="top" class="listtopic">Internal Certificate Authority</td>
+					</tr>
+					<tr>
+						<td width="22%" valign="top" class="vncellreq"><?=gettext("Key length");?></td>
+						<td width="78%" class="vtable">
+							<select name='keylen' id='keylen' class="formselect">
+							<?php
+								foreach( $ca_keylens as $len):
+								$selected = "";
+								if ($pconfig['keylen'] == $len)
+									$selected = "selected";
+							?>
+								<option value="<?=$len;?>"<?=$selected;?>><?=$len;?></option>
+							<?php endforeach; ?>
+							</select>
+							bits
+						</td>
+					</tr>
+					<tr>
+						<td width="22%" valign="top" class="vncellreq"><?=gettext("Lifetime");?></td>
+						<td width="78%" class="vtable">
+							<input name="lifetime" type="text" class="formfld unknown" id="lifetime" size="5" value="<?=htmlspecialchars($pconfig['lifetime']);?>"/>
+							days
+						</td>
+					</tr>
+					<tr>
+						<td width="22%" valign="top" class="vncellreq"><?=gettext("Distinguished name");?></td>
+						<td width="78%" class="vtable">
+							<table border="0" cellspacing="0" cellpadding="2">
+								<tr>
+									<td align="right">Country Code : &nbsp;</td>
+									<td align="left">
+										<input name="dn_country" type="text" class="formfld unknown" size="2" value="<?=htmlspecialchars($pconfig['dn_country']);?>"/>
+										&nbsp;
+										<em>ex:</em>
+										&nbsp;
+										US
+										<em>( two letters )</em>
+									</td>
+								</tr>
+								<tr>
+									<td align="right">State or Province : &nbsp;</td>
+									<td align="left">
+										<input name="dn_state" type="text" class="formfld unknown" size="40" value="<?=htmlspecialchars($pconfig['dn_state']);?>"/>
+										&nbsp;
+										<em>ex:</em>
+										&nbsp;
+										Texas
+									</td>
+								</tr>
+								<tr>
+									<td align="right">City : &nbsp;</td>
+									<td align="left">
+										<input name="dn_city" type="text" class="formfld unknown" size="40" value="<?=htmlspecialchars($pconfig['dn_city']);?>"/>
+										&nbsp;
+										<em>ex:</em>
+										&nbsp;
+										Austin
+									</td>
+								</tr>
+								<tr>
+									<td align="right">Organization : &nbsp;</td>
+									<td align="left">
+										<input name="dn_organization" type="text" class="formfld unknown" size="40" value="<?=htmlspecialchars($pconfig['dn_organization']);?>"/>
+										&nbsp;
+										<em>ex:</em>
+										&nbsp;
+										My Company Inc.
+									</td>
+								</tr>
+								<tr>
+									<td align="right">Email Address : &nbsp;</td>
+									<td align="left">
+										<input name="dn_email" type="text" class="formfld unknown" size="25" value="<?=htmlspecialchars($pconfig['dn_email']);?>"/>
+										&nbsp;
+										<em>ex:</em>
+										&nbsp;
+										admin@mycompany.com
+									</td>
+								</tr>
+								<tr>
+									<td align="right">Common Name : &nbsp;</td>
+									<td align="left">
+										<input name="dn_commonname" type="text" class="formfld unknown" size="25" value="<?=htmlspecialchars($pconfig['dn_commonname']);?>"/>
+										&nbsp;
+										<em>ex:</em>
+										&nbsp;
+										internal-ca
+									</td>
+								</tr>
+							</table>
+						</td>
+					</tr>
+				</table>
+
+				<table width="100%" border="0" cellpadding="6" cellspacing="0">
+					<tr>
+						<td width="22%" valign="top">&nbsp;</td>
+						<td width="78%">
+							<input id="submit" name="save" type="submit" class="formbtn" value="Save" />
+							<?php if (isset($id) && $a_ca[$id]): ?>
+							<input name="id" type="hidden" value="<?=$id;?>" />
+							<?php endif;?>
+						</td>
+					</tr>
+				</table>
+			</form>
+
+			<?php else: ?>
+
+			<table width="100%" border="0" cellpadding="0" cellspacing="0">
+				<tr>
+					<td width="20%" class="listhdrr">Name</td>
+					<td width="10%" class="listhdrr">Internal</td>
+					<td width="10%" class="listhdrr">Certificates</td>
+					<td width="40%" class="listhdrr">Distinguished Name</td>
+					<td width="10%" class="list"></td>
+				</tr>
+				<?php
+					$i = 0;
+					foreach($a_ca as $ca):
+						$name = htmlspecialchars($ca['name']);
+						$subj = cert_get_subject($ca['crt']);
+						$subj = htmlspecialchars($subj);
+						$certcount = 0;
+
+						// TODO : Need gray certificate icon
+
+						if($ca['prv']) {
+							$caimg = "/themes/{$g['theme']}/images/icons/icon_frmfld_cert.png";
+							$internal = "YES";
+
+							foreach ($a_cert as $cert)
+								if ($cert['caref'] == $ca['refid'])
+									$certcount++;
+						} else {
+							$caimg = "/themes/{$g['theme']}/images/icons/icon_frmfld_cert.png";
+							$internal = "NO";
+						}
+				?>
+				<tr>
+					<td class="listlr">
+						<table border="0" cellpadding="0" cellspacing="0">
+							<tr>
+								<td align="left" valign="center">
+									<img src="<?=$caimg;?>" alt="CA" title="CA" border="0" height="16" width="16" />
+								</td>
+								<td align="left" valign="middle">
+									<?=$name;?>
+								</td>
+							</tr>
+						</table>
+					</td>
+					<td class="listr"><?=$internal;?>&nbsp;</td>
+					<td class="listr"><?=$certcount;?>&nbsp;</td>
+					<td class="listr"><?=$subj;?>&nbsp;</td>
+					<td valign="middle" nowrap class="list">
+						<a href="system_camanager.php?act=del&id=<?=$i;?>" onclick="return confirm('<?=gettext("Do you really want to delete this Certificate Authority and all associated Certificates?");?>')">
+							<img src="/themes/<?= $g['theme'];?>/images/icons/icon_x.gif" title="delete ca" alt="delete ca" width="17" height="17" border="0" />
+						</a>
+					</td>
+				</tr>
+				<?php
+						$i++;
+					endforeach;
+				?>
+				<tr>
+					<td class="list" colspan="4"></td>
+					<td class="list">
+						<a href="system_camanager.php?act=new">
+							<img src="/themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" title="add or import ca" alt="add ca" width="17" height="17" border="0" />
+						</a>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="4">
+						<p>
+							<?=gettext("Additional trusted certificate authorities can be added here.");?>
+						</p>
+					</td>
+				</tr>
+			</table>
+
+			<?php endif; ?>
+
+		</td>
+	</tr>
+</table>
+<?php include("fend.inc");?>
+<script type="text/javascript">
+<!--
+
+method_change();
+
+//-->
+</script>
+
+</body>