libcbfwr/config.php

   1 <?php
   2
   3 class Config {
   4         // here we load a config if we can find it
   5         // there are two sides to every class, the fwd side
   6         // and the web page site (command line is web for all intents)
   7         function __construct($look_for_config = false)
   8         {
   9
  10                 if($look_for_config) {
  11                         $this->config_file = null;
  12                         if(file_exists("../var/fw.conf")) {
  13                                 $this->config_file = realpath("../var/fw.conf");
  14                                 $this->config["status"] = "conf";
  15
  16                         }
  17                         if(file_exists("/var/lib/fwd/fw.conf")) {
  18                                 $this->config_file = "/var/lib/fwd/fw.conf";
  19                                 $this->config["status"] = "conf";
  20                         }
  21
  22
  23                         if($this->config_file == null) {
  24                                 $this->config["status"] = "noconf";
  25                                 if(is_dir("/var/lib/fwd/")) {
  26                                         echo "no config file found. Will use ../var/fw.conf for now\n";
  27                                         $this->config_file = "/var/lib/fwd/fw.conf";
  28                                 } else if(is_dir("../var/")) {
  29                                         echo "no config file found. Will use ../var/fw.conf for now\n";
  30                                         $this->config_file = "../var/fw.conf";
  31                                 } else {
  32                                         echo "No directory where i can create a config, bailing\n";
  33                                         $this->config["status"] = "nodir";
  34                                 }
  35                         }
  36                 }
  37         }
  38
  39         function loadConfig($config)
  40         {
  41                 $this->config = $config;
  42         }
  43
  44         function findHardware()
  45         {
  46
  47
  48                 // first, network interfaces
  49                 $dh = opendir("/sys/class/net/");
  50                 while(($fname = readdir($dh)) !== false) {
  51                         if($fname != "." && $fname != ".." && $fname != "lo" && is_dir("/sys/class/net/$fname/")) {
  52                                 $this->config["hardware"]["netdev"][$fname]["name"] = $fname;
  53                                 // now read drive name if you can
  54                                 if(file_exists("/sys/class/net/$fname/device/uevent")) $fp = fopen("/sys/class/net/$fname/device/uevent", "r");
  55                                 else $fp = false;
  56                                 if($fp) {
  57                                         while(!feof($fp)) {
  58                                                 $line = trim(fgets($fp));
  59                                                 $lpl = explode("=", $line);
  60                                                 if($lpl[0] == "DRIVER") {
  61                                                         $this->config["hardware"]["netdev"][$fname]["driver"] = $lpl[1];
  62                                                 }
  63                                         }
  64                                         fclose($fp);
  65                                 }
  66                                 if(file_exists("/sys/class/net/$fname/mtu")) $this->config["hardware"]["netdev"][$fname]["mtu"] = file_get_contents("/sys/class/net/$fname/mtu");
  67                                 if(file_exists("/sys/class/net/$fname/address")) $this->config["hardware"]["netdev"][$fname]["hwaddress"] = file_get_contents("/sys/class/net/$fname/address");
  68                                 if(file_exists("/sys/class/net/$fname/bonding")) $this->config["hardware"]["netdev"][$fname]["bonding"] = true;
  69                                 if(file_exists("/sys/class/net/$fname/bridge")) $this->config["hardware"]["netdev"][$fname]["bridge"] = true;
  70                         }
  71                 }
  72         }
  73
  74         function getConfig()
  75         {
  76                 return $this->config;
  77         }
  78
  79         function applyConfig()
  80         {
  81                 global $AM_DAEMON;
  82                 if(!$AM_DAEMON) return true;
  83
  84                 // oh the joy
  85                 return true;
  86         }
  87
  88         function mergeConfig($configone, $configtwo)
  89         {
  90                 // yep
  91         }
  92
  93         function loadConfigFile($file=null)
  94         {
  95
  96                 if($file == null) {
  97                         if($this->config["status"] == "nodir") {
  98                                 return "nodir";
  99                         } else $file = $this->config_file;
 100                 }
 101
 102                 if(!file_exists($file)) return "noconf";
 103
 104                 $fp = fopen($file, "r");
 105
 106                 $i = 1;
 107                 while($line = fgets($fp)) {
 108                         $line = trim($line);
 109                         echo "read line $line\n";
 110                         if($line != "") $this->parseLine($line, $i++);
 111                 }
 112         }
 113
 114         function parseLine($line, $lineno)
 115         {
 116                 $expl = preg_split("/ +/", $line);
 117
 118                 echo "process command ".$expl[0]."\n";
 119
 120                 // find a description
 121                 $description = null;
 122                 $hasdescription = false;
 123                 for($i=0; $i<count($expl); $i++) {
 124                         if($hasdescription !== false) {
 125                                 if($description != null) {
 126                                         $description .= " ";
 127                                 }
 128                                 $description .= $expl[$i];
 129                         }
 130                         if($expl[$i] == "#") {
 131                                 $hasdescription = $i;
 132                         }
 133                 }
 134
 135                 // now rebuild the array if there was one
 136                 if($hasdescription) {
 137                         for($i=0; $i<$hasdescription; $i++) {
 138                                 $expl_r[$i] = $expl[$i];
 139                         }
 140                         $expl = $expl_r;
 141                 }
 142
 143                 switch($expl[0]) {
 144                         case "hostname":
 145                                 // set the hostname to $1
 146                                 $this->config["hostname"] = $expl[1];
 147                                 break;
 148
 149                         case "domainname":
 150                                 // set the hostname to $1
 151                                 $this->config["domainname"] = $expl[1];
 152                                 break;
 153
 154                         case "zone":
 155                                 if($hasdescription) {
 156                                         $this->config["zone"][$expl[2]]["description"] = $description;
 157                                 }
 158                                 $this->config["zone"][$expl[2]]["name"] = true;
 159                                 break;
 160
 161                         case "interface":
 162                                 switch($expl[1]) {
 163                                         case "dev":
 164                                                 $int = $expl[2];
 165
 166                                                 if($hasdescription) {
 167                                                         $this->config["interface"][$int]["description"] = $description;
 168                                                 }
 169
 170                                                 switch($expl[3]) {
 171                                                         case "address4":
 172                                                                 $this->config["interface"]["$int"]["address4"] = $expl[4];
 173                                                                 break;
 174                                                         case "address6":
 175                                                                 $this->config["interface"]["$int"]["address6"] = $expl[4];
 176                                                                 break;
 177                                                         case "name":
 178                                                                 $this->config["interface"]["$int"]["name"] = $expl[4];
 179                                                                 break;
 180                                                         case "status":
 181                                                                 $this->config["interface"]["$int"]["status"] = $expl[4];
 182                                                                 break;
 183                                                         case "mtu":
 184                                                                 $this->config["interface"]["$int"]["mtu"] = $expl[4];
 185                                                                 break;
 186                                                         case "zone":
 187                                                                 $this->config["interface"]["$int"]["zone"] = $expl[4];
 188                                                                 break;
 189                                                         case "speed":
 190                                                                 $this->config["interface"]["$int"]["speed"] = $expl[4];
 191                                                                 break;
 192                                                         case "duplex":
 193                                                                 $this->config["interface"]["$int"]["duplex"] = $expl[4];
 194                                                                 break;
 195                                                 }
 196                                                 break;
 197
 198                                         case "vlan":
 199                                                 $vlanid = $expl[2];
 200                                                 $name = $expl[4];
 201                                                 $from = $expl[6];
 202                                                 $this->config["vlan"][$name]["parent"] = $from;
 203                                                 $this->config["vlan"][$name]["id"] = $vlanid;
 204                                                 if($hasdescription) {
 205                                                         $this->config["vlan"][$name]["description"] = $description;
 206                                                 }
 207                                                 break;
 208
 209                                         case "lag":
 210                                                 $name = $expl[3];
 211                                                 for($i=5; $i<count($expl); $i++) {
 212                                                         $this->config["lag"][$name][$i-5] = $expl[$i];
 213                                                 }
 214                                                 if($hasdescription) {
 215                                                         $this->config["lag"][$name]["description"] = $description;
 216                                                 }
 217                                                 break;
 218
 219                                         case "bridge":
 220                                                 $name = $expl[3];
 221                                                 for($i=5; $i<count($expl); $i++) {
 222                                                         $this->config["bridge"][$name][$i-5] = $expl[$i];
 223                                                 }
 224                                                 if($hasdescription) {
 225                                                         $this->config["bridge"][$name]["description"] = $description;
 226                                                 }
 227                                                 break;
 228
 229                                 }
 230                                 break;
 231
 232
 233                         case "login":
 234                                 $this->config["login"][$expl[1]] = $expl[3];
 235                                 if($hasdescription) {
 236                                         $this->config["login"][$expl[1]]["description"] = $description;
 237                                 }
 238                                 break;
 239
 240                         case "route4":
 241                                 $route = $expl[1];
 242                                 $via = $expl[2];
 243                                 $dest = $expl[3];
 244                                 if($via == "to") {
 245                                         $this->config["route4"][$route]["address"] = $dest;
 246                                 } else {
 247                                         $this->config["route4"][$route]["device"] = $dest;
 248                                 }
 249                                 if(isset($expl[4])) {
 250                                         if($expl[4] == "dev") {
 251                                                 if(isset($expl[5])) {
 252                                                         $this->config["route4"][$route]["device"] = $expl[5];
 253                                                 }
 254                                         }
 255                                 }
 256                                 if($hasdescription) {
 257                                         $this->config["route4"][$route]["description"] = $description;
 258                                 }
 259                                 break;
 260
 261
 262                         case "route6":
 263                                 $route = $expl[1];
 264                                 $via = $expl[2];
 265                                 $dest = $expl[3];
 266                                 if($via == "to") {
 267                                         $this->config["route6"][$route]["address"] = $dest;
 268                                 } else {
 269                                         $this->config["route6"][$route]["device"] = $dest;
 270                                 }
 271                                 if(isset($expl[4])) {
 272                                         if($expl[4] == "dev") {
 273                                                 if(isset($expl[5])) {
 274                                                         $this->config["route6"][$route]["device"] = $expl[5];
 275                                                 }
 276                                         }
 277                                 }
 278                                 if($hasdescription) {
 279                                         $this->config["route6"][$route]["description"] = $description;
 280                                 }
 281
 282                                 // here we should check "$route"
 283                                 break;
 284
 285
 286                         case "dns":
 287                                 if(isset($this->config["dns"]["nservers"])) {
 288                                         $dns_servers = $this->config["dns"]["nservers"];
 289                                 } else {
 290                                         $dns_servers = 0;
 291                                 }
 292                                 if($expl[1] == "server") $this->config["dns"]["server"][$dns_servers]["address"] = $expl[2];
 293                                 if($hasdescription) {
 294                                         $this->config["dns"]["server"][$dns_servers]["description"] = $description;
 295                                 }
 296                                 $this->config["dns"]["nservers"] = $dns_servers+1;
 297                                 break;
 298
 299
 300                         case "ntp":
 301                                 if(isset($this->config["ntp"]["nservers"])) {
 302                                         $ntp_servers = $this->config["ntp"]["nservers"];
 303                                 } else {
 304                                         $ntp_servers = 0;
 305                                 }
 306                                 if($expl[1] == "server") $this->config["ntp"]["server"][$ntp_servers]["address"] = $expl[2];
 307                                 if($hasdescription) {
 308                                         $this->config["ntp"]["server"][$ntp_servers]["description"] = $description;
 309                                 }
 310                                 $this->config["ntp"]["nservers"] = $ntp_servers+1;
 311                                 break;
 312
 313
 314
 315                         default:
 316                                 echo "Errr, unknown config directive on line $lineno, $line\n";
 317                 }
 318
 319
 320         }
 321
 322         function saveConfigFile($file)
 323         {
 324                 global $AM_DAEMON;
 325                 if(!$AM_DAEMON) return true;
 326
 327         }
 328
 329         private $config_file;
 330         private $config;
 331 };
 332
 333 ?>