<?php
+
+class Config {
+ // here we load a config if we can find it
+ // there are two sides to every class, the fwd side
+ // and the web page site (command line is web for all intents)
+ function __construct($look_for_config = false)
+ {
+
+ if($look_for_config) {
+ $this->config_file = null;
+ if(file_exists("../var/fw.conf")) {
+ $this->config_file = realpath("../var/fw.conf");
+ $this->config["status"] = "conf";
+
+ }
+ if(file_exists("/var/lib/fwd/fw.conf")) {
+ $this->config_file = "/var/lib/fwd/fw.conf";
+ $this->config["status"] = "conf";
+ }
+
+
+ if($this->config_file == null) {
+ $this->config["status"] = "noconf";
+ if(is_dir("/var/lib/fwd/")) {
+ echo "no config file found. Will use ../var/fw.conf for now\n";
+ $this->config_file = "/var/lib/fwd/fw.conf";
+ } else if(is_dir("../var/")) {
+ echo "no config file found. Will use ../var/fw.conf for now\n";
+ $this->config_file = "../var/fw.conf";
+ } else {
+ echo "No directory where i can create a config, bailing\n";
+ $this->config["status"] = "nodir";
+ }
+ }
+ }
+ }
+
+ function loadConfig($config)
+ {
+ $this->config = $config;
+ }
+
+ function parseEthtool($interface)
+ {
+ // im not going to enjoy this, not one little bit
+ }
+
+ function findHardware()
+ {
+
+
+ // first, network interfaces
+ $dh = opendir("/sys/class/net/");
+ while(($fname = readdir($dh)) !== false) {
+ if($fname != "." && $fname != ".." && $fname != "lo" && is_dir("/sys/class/net/$fname/")) {
+ $this->config["hardware"]["netdev"][$fname]["name"] = $fname;
+ // now read drive name if you can
+ if(file_exists("/sys/class/net/$fname/device/uevent")) $fp = fopen("/sys/class/net/$fname/device/uevent", "r");
+ else $fp = false;
+ if($fp) {
+ while(!feof($fp)) {
+ $line = trim(fgets($fp));
+ $lpl = explode("=", $line);
+ if($lpl[0] == "DRIVER") {
+ $this->config["hardware"]["netdev"][$fname]["driver"] = $lpl[1];
+ }
+ }
+ fclose($fp);
+ }
+
+ // find hardware
+ if(file_exists("/sys/class/net/$fname/mtu")) $this->config["hardware"]["netdev"][$fname]["mtu"] = trim(file_get_contents("/sys/class/net/$fname/mtu"));
+ if(file_exists("/sys/class/net/$fname/address")) $this->config["hardware"]["netdev"][$fname]["hwaddress"] = trim(file_get_contents("/sys/class/net/$fname/address"));
+ if(file_exists("/sys/class/net/$fname/bonding")) $this->config["hardware"]["netdev"][$fname]["bonding"] = true;
+ if(file_exists("/sys/class/net/$fname/bridge")) $this->config["hardware"]["netdev"][$fname]["bridge"] = true;
+ if(file_exists("/sys/class/net/$fname/duplex")) {
+ $myval = trim(file_get_contents("/sys/class/net/$fname/duplex"));
+ if($myval == null) $myval = "default";
+ $this->config["hardware"]["netdev"][$fname]["duplex"] = $myval;
+ }
+ if(file_exists("/sys/class/net/$fname/speed")) {
+ $myval = trim(file_get_contents("/sys/class/net/$fname/speed"));
+ if($myval == null) $myval = "default";
+ $this->config["hardware"]["netdev"][$fname]["speed"] = $myval;
+ }
+ }
+ }
+ }
+
+ function getConfig()
+ {
+ return $this->config;
+ }
+
+ function setConfig($config) {
+ $this->config = $config;
+ }
+
+ function applyConfig()
+ {
+ global $AM_DAEMON;
+ if(!$AM_DAEMON) return true;
+
+ // oh the joy
+ return true;
+ }
+
+
+
+ function loadConfigFile($file=null)
+ {
+
+ if($file == null) {
+ if($this->config["status"] == "nodir") {
+ return "nodir";
+ } else $file = $this->config_file;
+ }
+
+ if(!file_exists($file)) return "noconf";
+
+ $fp = fopen($file, "r");
+
+ $i = 1;
+ while($line = fgets($fp)) {
+ $line = trim($line);
+ echo "read line $line\n";
+ if($line != "") $this->addConfigLine($line, $i++);
+ }
+ }
+
+ function resolveInterfaceName($name)
+ {
+ // $config only ever contains real interface names
+ if(isset($this->config["interface"]["dev"][$name])) return $name;
+
+ if(isset($this->config["interface"])) {
+ foreach($this->config["interface"]["dev"] as $key => $var) {
+ if(isset($var["name"])) {
+ if($var["name"] == $name) {
+ return $key;
+ }
+ }
+ }
+ } else {
+ // have to assume its a hardware name and check /sys
+ if(file_exists("/sys/class/net/$name")) return $name;
+ }
+
+ return null;
+ }
+
+ function addConfigLine($line, $lineno=0)
+ {
+ $line_n = trim($line);
+ $line = $line_n;
+ $expl = preg_split("/ +/", $line);
+
+ if(count($expl) < 2) {
+ $c = count($expl);
+ error_log("Not a valid config line ($c), $line");
+ return 0;
+ }
+ echo "process command ".$expl[0]."\n";
+
+ // TODO: when dealing with descriptions, we need to deal with a null description (i.e. delete the description)
+ // find a description
+ $description = null;
+ $hasdescription = false;
+ for($i=0; $i<count($expl); $i++) {
+ if($hasdescription !== false) {
+ if($description != null) {
+ $description .= " ";
+ }
+ $description .= $expl[$i];
+ }
+ if($expl[$i] == "#") {
+ $hasdescription = $i;
+ }
+ }
+
+ // now rebuild the array if there was a description
+ if($hasdescription) {
+ for($i=0; $i<$hasdescription; $i++) {
+ $expl_r[$i] = $expl[$i];
+ }
+ $expl = $expl_r;
+ }
+
+ // this is a special case for debugging
+ if($expl[0] == "hold") {
+ error_log("command is $line");
+ return 0;
+ }
+
+ $delete = false;
+ // check for delete on the line
+ if($expl[0] == "delete") {
+ $delete = true;
+
+ // re-order the array
+ for($i=0; $i < (count($expl)-1); $i++) {
+ $expl[$i] = $expl[$i+1];
+ }
+ unset($expl[count($expl)-1]);
+ }
+
+ // now for modify
+ $modify = false;
+ // check for delete on the line
+ if($expl[0] == "modify") {
+ $modify = true;
+
+ // re-order the array
+ for($i=0; $i < (count($expl)-1); $i++) {
+ $expl[$i] = $expl[$i+1];
+ }
+ unset($expl[count($expl)-1]);
+ }
+
+ switch($expl[0]) {
+ case "hostname":
+ // set the hostname to $1
+ if($delete) {
+ unset($this->config["hostname"]);
+ } else {
+ $this->config["hostname"] = $expl[1];
+ }
+ break;
+
+ case "domainname":
+ // set the hostname to $1
+ if($delete) {
+ unset($this->config["domainname"]);
+ } else {
+ $this->config["domainname"] = $expl[1];
+ }
+ break;
+
+ case "zone":
+ if($delete) {
+ error_log("delete zone ".$expl[2]);
+ unset($this->config["zone"][$expl[2]]);
+ if(count($this->config["zone"]) < 1) {
+ error_log("zone now empty, delete zones");
+ unset($this->config["zone"]);
+ }
+ } else {
+ if($hasdescription) {
+ $this->config["zone"][$expl[2]]["description"] = $description;
+ }
+ $this->config["zone"][$expl[2]]["name"] = true;
+ }
+ break;
+
+ case "interface":
+ switch($expl[1]) {
+ case "dev":
+ $int = $this->resolveInterfaceName($expl[2]);
+
+ if($int != $expl[2]) {
+ error_log("resolved int as $int from ".$expl[2]);
+ }
+ if($int == null) {
+ error_log("got config for interface ".$expl[2]." but i cannot find it, i will assume its hardware for now");
+ $int = $expl[2];
+ }
+ if($hasdescription) {
+ $this->config["interface"]["dev"][$int]["description"] = $description;
+ }
+
+ switch($expl[3]) {
+ case "address4":
+ $this->config["interface"]["dev"]["$int"]["address4"] = $expl[4];
+ break;
+ case "address6":
+ $this->config["interface"]["dev"]["$int"]["address6"] = $expl[4];
+ break;
+ case "name":
+ $this->config["interface"]["dev"]["$int"]["name"] = $expl[4];
+ break;
+ case "status":
+ $this->config["interface"]["dev"]["$int"]["status"] = $expl[4];
+ break;
+ case "mtu":
+ $this->config["interface"]["dev"]["$int"]["mtu"] = $expl[4];
+ break;
+ case "zone":
+ $this->config["interface"]["dev"]["$int"]["zone"] = $expl[4];
+ break;
+ case "speed":
+ $this->config["interface"]["dev"]["$int"]["speed"] = $expl[4];
+ break;
+ case "duplex":
+ $this->config["interface"]["$int"]["duplex"] = $expl[4];
+ break;
+ }
+ break;
+
+ case "vlan":
+ $vlanid = $expl[2];
+ $name = $expl[4];
+ $from = $expl[6];
+ $this->config["vlan"][$name]["parent"] = $from;
+ $this->config["vlan"][$name]["id"] = $vlanid;
+ if($hasdescription) {
+ $this->config["vlan"][$name]["description"] = $description;
+ }
+ break;
+
+ case "lag":
+ $name = $expl[3];
+ for($i=5; $i<count($expl); $i++) {
+ $this->config["lag"][$name][$i-5] = $expl[$i];
+ }
+ if($hasdescription) {
+ $this->config["lag"][$name]["description"] = $description;
+ }
+ break;
+
+ case "bridge":
+ $name = $expl[3];
+ for($i=5; $i<count($expl); $i++) {
+ $this->config["bridge"][$name][$i-5] = $expl[$i];
+ }
+ if($hasdescription) {
+ $this->config["bridge"][$name]["description"] = $description;
+ }
+ break;
+
+ }
+ break;
+
+
+ case "login":
+ if($delete) {
+ unset($this->config["login"][$expl[1]]);
+ } else {
+ $this->config["login"][$expl[1]] = $expl[3];
+ if($hasdescription) {
+ $this->config["login"][$expl[1]]["description"] = $description;
+ }
+ }
+ break;
+
+ case "route4":
+ if($delete) {
+ unset($this->config["route4"][$expl[1]]);
+ } else {
+ $route = $expl[1];
+ $via = $expl[2];
+ $dest = $expl[3];
+ if($via == "to") {
+ $this->config["route4"][$route]["address"] = $dest;
+ } else {
+ $this->config["route4"][$route]["device"] = $dest;
+ }
+ if(isset($expl[4])) {
+ if($expl[4] == "dev") {
+ if(isset($expl[5])) {
+ $this->config["route4"][$route]["device"] = $expl[5];
+ }
+ }
+ }
+ if($hasdescription) {
+ $this->config["route4"][$route]["description"] = $description;
+ }
+ }
+ break;
+
+
+ case "route6":
+ if($delete) {
+ unset($this->config["route6"][$expl[1]]);
+ } else {
+ $route = $expl[1];
+ $via = $expl[2];
+ $dest = $expl[3];
+ if($via == "to") {
+ $this->config["route6"][$route]["address"] = $dest;
+ } else {
+ $this->config["route6"][$route]["device"] = $dest;
+ }
+ if(isset($expl[4])) {
+ if($expl[4] == "dev") {
+ if(isset($expl[5])) {
+ $this->config["route6"][$route]["device"] = $expl[5];
+ }
+ }
+ }
+ if($hasdescription) {
+ $this->config["route6"][$route]["description"] = $description;
+ }
+ }
+ // here we should check "$route"
+ break;
+
+
+ case "dns":
+ if(isset($this->config["dns"]["nservers"])) {
+ $dns_servers = $this->config["dns"]["nservers"];
+ } else {
+ $dns_servers = 0;
+ }
+ if($expl[1] == "server") $this->config["dns"]["server"][$dns_servers]["address"] = $expl[2];
+ if($hasdescription) {
+ $this->config["dns"]["server"][$dns_servers]["description"] = $description;
+ }
+ $this->config["dns"]["nservers"] = $dns_servers+1;
+ break;
+
+
+ case "ntp":
+ if(isset($this->config["ntp"]["nservers"])) {
+ $ntp_servers = $this->config["ntp"]["nservers"];
+ } else {
+ $ntp_servers = 0;
+ }
+ if($expl[1] == "server") $this->config["ntp"]["server"][$ntp_servers]["address"] = $expl[2];
+ if($hasdescription) {
+ $this->config["ntp"]["server"][$ntp_servers]["description"] = $description;
+ }
+ $this->config["ntp"]["nservers"] = $ntp_servers+1;
+ break;
+
+
+
+ default:
+ echo "Errr, unknown config directive on line $lineno, $line\n";
+ }
+
+
+ }
+
+ function saveConfigFile($file)
+ {
+ global $AM_DAEMON;
+ if(!$AM_DAEMON) return true;
+
+ }
+
+ private $config_file;
+ private $config;
+};
+
?>
\ No newline at end of file
projects / CBFWR.git / blobdiff