forked from jas-/phpDHCPAdmin
/
manage.pxe.php
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manage.pxe.php
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<?PHP
/*
* phpDHCPAdmin
* Jason Gerfen [jason.gerfen@gmail.com]
*
* pxe.add.php - DHCPD Add a new PXE Group
*/
// load our config data
if( file_exists( "scripts/inc.config.php" ) ) {
require 'scripts/inc.config.php';
// ensure we are being called from our configured host
if( $defined['hostname'] === $_SERVER['SERVER_NAME'] ) {
// Initialize classes
$db = new dbConn;
$err = new GenerateErrors;
$tpl = new Template;
$skin = new PageSkinner;
$val = new ValidateStrings;
$menu = new GenerateNavMenu;
$auth = new Authenticate;
$encrypt = new Encryption;
$level = new AccessLevels;
$misc = new MiscFunctions;
$debug = new DebugData;
// initialize a db connection handle
$dbconn = $db->dbConnect( $defined['dbhost'], $defined['username'], $defined['password'], $defined['dbname'] );
// ensure our sessions are present
if( empty( $_SESSION['token'] ) ) {
$sessions = new dbSession;
}
//define the template and cache directories
$tpl->strTemplateDir = $defined['virpath'] . 'templates';
$tpl->strCacheDir = '/tmp';
if( ( !empty( $_GET ) ) || ( !empty( $_POST ) ) ) { $flag = "TRUE"; } else { $flag = "FALSE"; }
// setup our template style data
if( ( $val->ValidateString( $_GET['skin'] ) === -1 ) || ( empty( $_GET['skin'] ) ) ) {
$style = $defined['templates'] . "/black";
if( !empty( $_GET['skin'] ) ) {
$skin_err = $err->GenerateErrorLink( "help/help.php", "#val_xss", $defined['error_small'], $errors['val_xss'], NULL, NULL );
}
} else {
$style = $skin->SelectSkin( $defined['templates'], $_GET['skin'], $_COOKIE['skin'] );
}
// call our header file and pass it some variables
$tpl->assign( 'TITLE', $defined['title'], NULL, NULL );
$tpl->assign( 'DESCRIPTION', "Manage PXE Groups", NULL, NULL );
$tpl->assign( 'STYLE', $style, NULL, NULL );
// authentication template
$FILE = "auth.tpl";
// default is no error just diplay login form
if( $auth->AuthUser( $_POST['user'], $_POST['pass'], $_SESSION['token'] ) === -1 ) {
// well looks like at least one login attempt has been processed, show empty field error
if( $_SESSION['x']++ >= 1 ) {
$ERROR = $err->GenerateErrorLink( "help/help.html", "#missing", $defined['error'], $errors['auth_e'], NULL, NULL );
}
// timeout with authentication token
} elseif( $auth->AuthUser( $_POST['user'], $_POST['pass'], $_SESSION['token'] ) === -2 ) {
$ERROR = $err->GenerateErrorLink( "help/help.html", "#timeout", $defined['error'], $errors['auth_to'], NULL, NULL );
$misc->ExitApplication( $_SESSION['token'] );
// error in validation of authentication data
} elseif( $auth->AuthUser( $_POST['user'], $_POST['pass'], $_SESSION['token'] ) === -3 ) {
$ERROR = $err->GenerateErrorLink( "help/help.html", "#alphanum", $defined['error'], $errors['val_alp'], NULL, NULL );
// authentication data not found in database
} elseif( $auth->AuthUser( $_POST['user'], $_POST['pass'], $_SESSION['token'] ) === -4 ) {
$ERROR = $err->GenerateErrorLink( "help/help.html", "#user", $defined['error'], $errors['auth_n'], NULL, NULL );
// error in database query
} elseif( $auth->AuthUser( $_POST['user'], $_POST['pass'], $_SESSION['token'] ) === -5 ) {
$ERROR = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], $errors['undef_sql'], NULL, NULL );
// valid user found
} elseif( $auth->AuthUser( $_POST['user'], $_POST['pass'], $_SESSION['token'] ) === 0 ) {
// perform permissions check with access level and group data
if( $level->ChkLevel( $_SESSION['token'] ) === "admin" ) {
// define some variables for the template etc.
$JS = " hidediv('perms');";
$FILE = "manage.pxe.tpl";
// initialize a db connection handle
$dbconn = $db->dbConnect( $defined['dbhost'], $defined['username'], $defined['password'], $defined['dbname'] );
// provide count of online users
$online = "SELECT * FROM `admin_sessions`";
$ret = $db->dbQuery( $val->ValidateSQL( $online, $dbconn ), $dbconn );
$usersoline = $db->dbNumRows( $ret );
// decode our authentication token to get our group membership
$user_details = $encrypt->DecodeAuthToken( $_SESSION['token'] );
$group = base64_decode( $user_details[3] );
// Look for a GET id post to edit existing dnssec keys
if( !empty( $_GET['id'] ) ) {
if( $val->ValidateInteger( $_GET['id'] ) === -1 ) {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $errors['val_num'], NULL, NULL );
} else {
// populate the form with database information if already configured
if( $group === "admin" ) {
$query = "SELECT * FROM `conf_pxe_groups` WHERE `id` = \"" . $_GET['id'] . "\" LIMIT 1";
} else {
$query = "SELECT * FROM `conf_pxe_groups` WHERE `group` = \"" . $group . "\" AND `id` = \"" . $_GET['id'] . "\" LIMIT 1";
}
if( ( $value = $db->dbQuery( $val->ValidateSQL( $query, $dbconn ), $dbconn ) ) === -1 ) {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $errors['db_select'], NULL, NULL );
} else {
$data = $db->dbArrayResultsAssoc( $value );
$id = $data[0]['id'];
$pxe_group_name = $data[0]['pxe-group-name'];
$pxe_server = $data[0]['pxe-server'];
$bootp_filename = $data[0]['bootp-filename'];
$assigned_subnet = $data[0]['assigned-subnet'];
}
}
}
// begin our validation on submitted data
if( !empty( $_POST ) ) {
// re-assign vars for processing and template assignment
$id = $_POST['id'];
$pxe_group_name = $_POST['pxe_group_name'];
$pxe_server = $_POST['pxe_server'];
$bootp_filename = $_POST['bootp_filename'];
$assigned_subnet = $_POST['assigned_subnet'];
// check each post element
if( ( !empty( $pxe_group_name ) ) && ( !empty( $pxe_server ) ) && ( !empty( $bootp_filename ) ) ) {
// begin validation of configuration options
if( ( $val->ValidateString( $pxe_group_name ) !== -1 ) && ( ( $val->ValidateIPv4( $pxe_server ) !== -1 ) || ( $val->ValidateDomain( $pxe_server ) !== -1 ) ) && ( ( $val->ValidateParagraph( $bootp_filename ) !== -1 ) ) || ( $val->ValidateParagraph( $assigned_subnet ) !== -1 ) ) {
// define our sql statements (filter out the group field if user group is admin)
if( $group === "admin" ) {
$insert = "INSERT INTO `conf_pxe_groups` ( `pxe-group-name`, `pxe-server`, `bootp-filename`, `assigned-subnet` ) VALUES ( \"" . $pxe_group_name . "\",\"" . $pxe_server . "\", \"" . $bootp_filename . "\", \"" . $assigned_subnet . "\" )";
$update = "UPDATE `conf_pxe_groups` SET `pxe-group-name` = \"" . $pxe_group_name . "\", `pxe-server` = \"" . $pxe_server . "\", `bootp-filename` = \"" . $bootp_filename . "\", `assigned-subnet` = \"" . $assigned_subnet . "\" WHERE `id` = \"" . $id . "\" LIMIT 1";
} else {
$insert = "INSERT INTO `conf_pxe_groups` ( `pxe-group-name`, `pxe-server`, `bootp-filename`, `assigned-subnet`, `group` ) VALUES ( \"" . $pxe_group_name . "\",\"" . $pxe_server . "\", \"" . $bootp_filename . "\", \"" . $assigned_subnet . "\", \"" . $group . "\" )";
$update = "UPDATE `conf_pxe_groups` SET `pxe-group-name` = \"" . $pxe_group_name . "\", `pxe-server` = \"" . $pxe_server . "\", `bootp-filename` = \"" . $bootp_filename . "\", `assigned-subnet` = \"" . $assigned_subnet . "\", `group` = \"" . $group . "\" WHERE `id` = \"" . $id . "\" LIMIT 1";
}
$delete = "DELETE FROM `conf_pxe_groups` WHERE `id` = \"" . $id . "\" LIMIT 1";
$update_hosts = "UPDATE `conf_hosts` SET `pxe-group` = \"\" WHERE `pxe-group` = \"" . $pxe_group_name . "\"";
// determine which button was clicked
if( !empty( $_POST['AddPXEGroup'] ) ) { $query = $insert; $db_msg_good = $errors['db_insert']; $db_msg_err = $errors['db_insert_err']; }
if( !empty( $_POST['EditPXEGroup'] ) ) { $query = $update; $db_msg_good = $errors['db_edit']; $db_msg_err = $errors['db_edit_err']; }
if( !empty( $_POST['DelPXEGroup'] ) ) { $query = $delete; $db_msg_good = $errors['db_del']; $db_msg_err = $errors['db_del_err']; }
// process our query
if( ( $value = $db->dbQuery( $val->ValidateSQL( $query, $dbconn ), $dbconn ) ) === -1 ) {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $db_msg_err, NULL, NULL );
// attempt to update if record exists
if( ( eregi( "duplicate", $db->dbCatchError() ) ) || ( !empty( $id ) ) ) {
if( ( $value = $db->dbQuery( $val->ValidateSQL( $update, $dbconn ), $dbconn ) ) === -1 ) {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $errors['db_edit_err'], NULL, NULL );
} else {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['good'], $errors['db_edit'], NULL, NULL );
}
}
} else {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['good'], $db_msg_good, NULL, NULL );
}
// make sure we remove the pxe group from any assigned hosts
if( !empty( $_POST['DelPXEGroup'] ) ) {
if( ( $value = $db->dbQuery( $val->ValidateSQL( $update_hosts, $dbconn ), $dbconn ) ) === -1 ) {
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $db_msg_err, NULL, NULL );
}
}
} else {
// find validation errors
$e = $err->GenerateErrorImg( $defined['error'], "help/help.html#config_pxegroup", '800', '800' );
$list .= "<ol>";
if( $val->ValidateString( $pxe_group_name ) === -1 ) { $list .= "<li>PXE Group Name field is invalid</li>"; $pxe_group_name_err = $e; }
if( ( $val->ValidateIPv4( $pxe_server ) === -1 ) || ( $val->ValidateDomain( $pxe_server ) === -1 ) ) { $list .= "<li>PXE Server field is invalid</li>"; $pxe_server_err = $e; }
if( $val->ValidateParagraph( $bootp_filename ) === -1 ) { $list .= "<li>BOOTP Filename field is invalid</li>"; $bootp_filename_err = $e; }
if( $val->ValidateParagraph( $assign_subnet ) === -1 ) { $list .= "<li>Assign Subnet field is invalid</li>"; $assign_subnet_err = $e; }
$list .= "</ol>";
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $errors['val_str'] . $list, NULL, NULL );
}
} else {
// look to see which fields were empty
$e = $err->GenerateErrorImg( $defined['error'], "help/help.html#config_pxegroup", '800', '800' );
$list .= "<ol>";
if( empty( $pxe_group_name ) ) { $list .= "<li>PXE Group Name field is missing</li>"; $pxe_group_name_err = $e; }
if( empty( $pxe_server ) ) { $list .= "<li>PXE Server Field is missing</li>"; $pxe_server_err = $e; }
if( empty( $bootp_filename ) ) { $list .= "<li>BOOTP File Name Field is missing</li>"; $bootp_filename_err = $e; }
$list .= "</ol>";
$error = $err->GenerateErrorLink( "help/help.html", "#config_pxegroup", $defined['error'], $errors['val_missing'] . $list, NULL, NULL );
}
}
// create current list of dnssec security options
if( $group === "admin" ) {
$pxequery = "SELECT * FROM `conf_pxe_groups` ORDER BY `pxe-group-name` ASC";
} else {
$pxequery = "SELECT * FROM `conf_pxe_groups` WHERE `group` = \"" . $group . "\" ORDER BY `pxe-group-name` ASC";
}
if( ( $current = $db->dbQuery( $val->ValidateSQL( $pxequery, $dbconn ), $dbconn ) ) !== -1 ) {
$pxelist = $db->dbArrayResultsAssoc( $current );
}
$pxe_groups = $misc->GenJumpMenuBoxPXE( $pxelist, 'pxe_groups', $_GET['skin'] );
// populate our subnets list
$sub = "SELECT `subnet-name` FROM `conf_subnets` ORDER BY `subnet-name` ASC";
if( ( $return = $db->dbQuery( $val->ValidateSQL( $sub, $dbconn ), $dbconn ) ) !== -1 ) {
$subs = $db->dbArrayResultsAssoc( $return );
}
if( count( $subs ) === 0 ) {
$assign_subnet = "No subnets defined";
} else {
$assign_subnet = $misc->GenDropMenuWSelectedSubnets( $subs, $assign_subnet, 'assign_subnet' );
}
/* create checkbox list of available groups */
$groupsquery = "SELECT * FROM `auth_groups` WHERE `group` != \"admin\" AND `group` != \"" . $group . "\" ORDER BY `group` ASC";
if( ( $res = $db->dbQuery( $val->ValidateSQL( $groupsquery, $dbconn ), $dbconn ) ) !== -1 ) {
$groups = $db->dbArrayResultsAssoc( $res );
$groups = $misc->EliminiateDuplicates( $groups );
if( count( $groups ) !== 0 ) {
// figure out which boxes are currently enabled
if( !empty( $_GET['id'] ) ) {
$sql = "SELECT * FROM `auth_groups_perms` WHERE `resource` = \"" . $subnet_name . "\"";
if( ( $sql_res = $db->dbQuery( $val->ValidateSQL( $sql, $dbconn ), $dbconn ) ) !== -1 ) {
$select_groups = $db->dbArrayResultsAssoc( $sql_res );
}
}
$select_groups = $misc->GenGroupsCheckBoxes( $groups, 'select_groups', $_GET['skin'], $select_groups, $group );
} else {
$select_groups = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], "No groups defined", NULL, NULL );
}
} else {
$select_groups = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], $errors['db_select_err'], NULL, NULL );
}
// Assign form variables
$tpl->assign( 'error', $error, NULL, NULL );
$tpl->assign( 'id', $val->ValidateXSS( $id ), NULL, NULL );
$tpl->assign( 'pxe_group_name', $val->ValidateXSS( $pxe_group_name ), NULL, NULL );
$tpl->assign( 'pxe_server', $val->ValidateXSS( $pxe_server ), NULL, NULL );
$tpl->assign( 'bootp_filename', $val->ValidateXSS( $bootp_filename ), NULL, NULL );
$tpl->assign( 'assign_subnet', $assign_subnet, NULL, NULL );
$tpl->assign( 'pxe_groups', $pxe_groups, NULL, NULL );
$tpl->assign( 'select_groups', $select_groups, NULL, NULL );
$tpl->assign( 'ex_group', $val->ValidateXSS( $ex_group ), NULL, NULL );
// assign error messages
$tpl->assign( 'pxe_group_name_err', $pxe_group_name_err, NULL, NULL );
$tpl->assign( 'pxe_server_err', $pxe_server_err, NULL, NULL );
$tpl->assign( 'bootp_filename_err', $bootp_filename_err, NULL, NULL );
$tpl->assign( 'assign_subnet_err', $assign_subnet_err, NULL, NULL );
$tpl->assign( 'pxe_groups_err', $pxe_err, NULL, NULL );
$tpl->assign( 'select_groups_err', $select_groups_err, NULL, NULL );
// Do some cleaning before leaving
$misc->CleanUpVars( $_POST, NULL );
// Perform analyze, repair and optimize on used tables
$db->dbFixTable( "conf_pxe_groups", $dbconn );
$db->dbFixTable( "auth_groups_perms", $dbconn );
// Free db handle and close connection(s)
$db->dbFreeData( $dbconn );
$db->dbCloseConn( $dbconn );
} else {
// page view restricted by access level
$ERROR = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], $errors['level'], NULL, NULL );
}
} else {
// general authentication error
$ERROR = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], $errors['auth_n'], NULL, NULL );
}
} else {
// Possible XSS attack
$ERROR = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], $errors['xss_config'], NULL, NULL );
}
} else {
// File is missing for configuration params
$ERROR = $err->GenerateErrorLink( "help/help.html", "#undef", $defined['error'], $errors['config_file'], NULL, NULL );
}
// include our header file
$tpl->assign( 'JS', $JS, NULL, NULL );
$tpl->display( 'header.tpl', $flag, NULL );
// determine our menu system
$MENU = $menu->CreateNav( $_SESSION['token'], $_GET['skin'] );
$tpl->assign( 'MENU', $tpl->assign( 'SKIN', preg_replace( '/templates\//', '', $style ), $MENU, $flag ), NULL, NULL );
// assign some vars to our main template
$tpl->assign( 'URL', $_SERVER['PHP_SELF'] . "?skin=" . $_GET['skin'], NULL, NULL );
$tpl->assign( 'IP_ADDRESS', $_SERVER['REMOTE_ADDR'], NULL, NULL );
$tpl->assign( 'ERROR', $ERROR, NULL, NULL );
$tpl->assign( 'STYLE', $style, NULL, NULL );
$tpl->assign( 'usersonline', "<b>Users:</b> " . $usersoline . " online", NULL, NULL );
// call our main body template data
$tpl->assign( 'DATA', $tpl->assign( NULL, NULL, $FILE, $flag ), NULL, NULL );
$tpl->display( 'main.tpl', $flag, NULL );
// call our footer file
$tpl->assign( 'DISCLAIMER', $defined['disclaimer'], NULL, NULL );
$tpl->assign( 'SKIN_MENU', $skin->GenSkinMenu( $_GET['skin'], $defined['templates'] ), NULL, NULL );
$tpl->assign( 'SKIN_MENU_ERR', $skin_err, NULL, NULL );
$tpl->display( 'footer.tpl', $flag, NULL );
// show some debugging if enabled
if( $defined['debug'] === "TRUE" ) { $debug->ShowDebug( $_GET, $_POST, $_REQUEST, $_SESSION ); }
?>