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 this means apply changes in configtwo to configone
  91                 $newconf = $configone;
  92
  93                 // this is gunna be tough its gunna be a meet on meet sandwitch
  94                 foreach($configtwo as $key => $var) {
  95                         if($key != "status") {
  96                                 error_log("apply change $key");
  97                                 foreach($var as $key2=>$var2) {
  98                                         error_log("which is $key2");
  99                                         $splits = explode(" ", $var2);
 100
 101                                         // find a description
 102                                         $description = null;
 103                                         $hasdescription = false;
 104                                         for($i=0; $i<count($splits); $i++) {
 105                                                 if($hasdescription !== false) {
 106                                                         if($description != null) {
 107                                                                 $description .= " ";
 108                                                         }
 109                                                         $description .= $splits[$i];
 110                                                 }
 111                                                 if($splits[$i] == "#") {
 112                                                         $hasdescription = $i;
 113                                                 }
 114                                         }
 115
 116
 117                                         switch($key2) {
 118                                                 case "add":
 119                                                         error_log("would add $var2");
 120                                                         $thing = $splits[0];
 121                                                         switch($thing) {
 122                                                                 case "zone":
 123                                                                         $newconf["zone"][$splits[1]]["name"] = 1;
 124                                                                         if($hasdescription) {
 125                                                                                 $newconf["zone"][$splits[1]]["description"] = $description;
 126                                                                         }
 127                                                                         break;
 128
 129                                                         }
 130                                                         break;
 131                                                 case "modify":
 132                                                         error_log("would modify $var2");
 133                                                         $thing = $splits[0];
 134                                                         switch($thing) {
 135                                                                 case "zone":
 136                                                                         $zonename = $splits[1];
 137                                                                         if($hasdescription) {
 138                                                                                 $newconf["zone"][$splits[1]]["description"] = $description;
 139                                                                         }
 140                                                                         if($splits[2] == "rename") {
 141                                                                                 $newname = $splits[3];
 142                                                                                 $tree = $newconf["zone"][$splits[1]];
 143                                                                                 unset($newconf["zone"][$splits[1]]);
 144                                                                                 $newconf["zone"][$newname] = $tree;
 145                                                                         }
 146                                                                         break;
 147
 148                                                         }
 149                                                         break;
 150
 151
 152                                                 case "delete":
 153                                                         error_log("would delete $var2");
 154                                                         $thing = $splits[0];
 155                                                         switch($thing) {
 156                                                                 case "zone":
 157                                                                         $deletezone = $splits[1];
 158                                                                         unset($newconf["zone"][$deletezone]);
 159                                                                         break;
 160
 161                                                         }
 162                                                         break;
 163                                         }
 164                                 }
 165                         }
 166                 }
 167                 return $newconf;
 168         }
 169
 170         function loadConfigFile($file=null)
 171         {
 172
 173                 if($file == null) {
 174                         if($this->config["status"] == "nodir") {
 175                                 return "nodir";
 176                         } else $file = $this->config_file;
 177                 }
 178
 179                 if(!file_exists($file)) return "noconf";
 180
 181                 $fp = fopen($file, "r");
 182
 183                 $i = 1;
 184                 while($line = fgets($fp)) {
 185                         $line = trim($line);
 186                         echo "read line $line\n";
 187                         if($line != "") $this->parseLine($line, $i++);
 188                 }
 189         }
 190
 191         function parseLine($line, $lineno)
 192         {
 193                 $expl = preg_split("/ +/", $line);
 194
 195                 echo "process command ".$expl[0]."\n";
 196
 197                 // find a description
 198                 $description = null;
 199                 $hasdescription = false;
 200                 for($i=0; $i<count($expl); $i++) {
 201                         if($hasdescription !== false) {
 202                                 if($description != null) {
 203                                         $description .= " ";
 204                                 }
 205                                 $description .= $expl[$i];
 206                         }
 207                         if($expl[$i] == "#") {
 208                                 $hasdescription = $i;
 209                         }
 210                 }
 211
 212                 // now rebuild the array if there was one
 213                 if($hasdescription) {
 214                         for($i=0; $i<$hasdescription; $i++) {
 215                                 $expl_r[$i] = $expl[$i];
 216                         }
 217                         $expl = $expl_r;
 218                 }
 219
 220                 switch($expl[0]) {
 221                         case "hostname":
 222                                 // set the hostname to $1
 223                                 $this->config["hostname"] = $expl[1];
 224                                 break;
 225
 226                         case "domainname":
 227                                 // set the hostname to $1
 228                                 $this->config["domainname"] = $expl[1];
 229                                 break;
 230
 231                         case "zone":
 232                                 if($hasdescription) {
 233                                         $this->config["zone"][$expl[2]]["description"] = $description;
 234                                 }
 235                                 $this->config["zone"][$expl[2]]["name"] = true;
 236                                 break;
 237
 238                         case "interface":
 239                                 switch($expl[1]) {
 240                                         case "dev":
 241                                                 $int = $expl[2];
 242
 243                                                 if($hasdescription) {
 244                                                         $this->config["interface"][$int]["description"] = $description;
 245                                                 }
 246
 247                                                 switch($expl[3]) {
 248                                                         case "address4":
 249                                                                 $this->config["interface"]["$int"]["address4"] = $expl[4];
 250                                                                 break;
 251                                                         case "address6":
 252                                                                 $this->config["interface"]["$int"]["address6"] = $expl[4];
 253                                                                 break;
 254                                                         case "name":
 255                                                                 $this->config["interface"]["$int"]["name"] = $expl[4];
 256                                                                 break;
 257                                                         case "status":
 258                                                                 $this->config["interface"]["$int"]["status"] = $expl[4];
 259                                                                 break;
 260                                                         case "mtu":
 261                                                                 $this->config["interface"]["$int"]["mtu"] = $expl[4];
 262                                                                 break;
 263                                                         case "zone":
 264                                                                 $this->config["interface"]["$int"]["zone"] = $expl[4];
 265                                                                 break;
 266                                                         case "speed":
 267                                                                 $this->config["interface"]["$int"]["speed"] = $expl[4];
 268                                                                 break;
 269                                                         case "duplex":
 270                                                                 $this->config["interface"]["$int"]["duplex"] = $expl[4];
 271                                                                 break;
 272                                                 }
 273                                                 break;
 274
 275                                         case "vlan":
 276                                                 $vlanid = $expl[2];
 277                                                 $name = $expl[4];
 278                                                 $from = $expl[6];
 279                                                 $this->config["vlan"][$name]["parent"] = $from;
 280                                                 $this->config["vlan"][$name]["id"] = $vlanid;
 281                                                 if($hasdescription) {
 282                                                         $this->config["vlan"][$name]["description"] = $description;
 283                                                 }
 284                                                 break;
 285
 286                                         case "lag":
 287                                                 $name = $expl[3];
 288                                                 for($i=5; $i<count($expl); $i++) {
 289                                                         $this->config["lag"][$name][$i-5] = $expl[$i];
 290                                                 }
 291                                                 if($hasdescription) {
 292                                                         $this->config["lag"][$name]["description"] = $description;
 293                                                 }
 294                                                 break;
 295
 296                                         case "bridge":
 297                                                 $name = $expl[3];
 298                                                 for($i=5; $i<count($expl); $i++) {
 299                                                         $this->config["bridge"][$name][$i-5] = $expl[$i];
 300                                                 }
 301                                                 if($hasdescription) {
 302                                                         $this->config["bridge"][$name]["description"] = $description;
 303                                                 }
 304                                                 break;
 305
 306                                 }
 307                                 break;
 308
 309
 310                         case "login":
 311                                 $this->config["login"][$expl[1]] = $expl[3];
 312                                 if($hasdescription) {
 313                                         $this->config["login"][$expl[1]]["description"] = $description;
 314                                 }
 315                                 break;
 316
 317                         case "route4":
 318                                 $route = $expl[1];
 319                                 $via = $expl[2];
 320                                 $dest = $expl[3];
 321                                 if($via == "to") {
 322                                         $this->config["route4"][$route]["address"] = $dest;
 323                                 } else {
 324                                         $this->config["route4"][$route]["device"] = $dest;
 325                                 }
 326                                 if(isset($expl[4])) {
 327                                         if($expl[4] == "dev") {
 328                                                 if(isset($expl[5])) {
 329                                                         $this->config["route4"][$route]["device"] = $expl[5];
 330                                                 }
 331                                         }
 332                                 }
 333                                 if($hasdescription) {
 334                                         $this->config["route4"][$route]["description"] = $description;
 335                                 }
 336                                 break;
 337
 338
 339                         case "route6":
 340                                 $route = $expl[1];
 341                                 $via = $expl[2];
 342                                 $dest = $expl[3];
 343                                 if($via == "to") {
 344                                         $this->config["route6"][$route]["address"] = $dest;
 345                                 } else {
 346                                         $this->config["route6"][$route]["device"] = $dest;
 347                                 }
 348                                 if(isset($expl[4])) {
 349                                         if($expl[4] == "dev") {
 350                                                 if(isset($expl[5])) {
 351                                                         $this->config["route6"][$route]["device"] = $expl[5];
 352                                                 }
 353                                         }
 354                                 }
 355                                 if($hasdescription) {
 356                                         $this->config["route6"][$route]["description"] = $description;
 357                                 }
 358
 359                                 // here we should check "$route"
 360                                 break;
 361
 362
 363                         case "dns":
 364                                 if(isset($this->config["dns"]["nservers"])) {
 365                                         $dns_servers = $this->config["dns"]["nservers"];
 366                                 } else {
 367                                         $dns_servers = 0;
 368                                 }
 369                                 if($expl[1] == "server") $this->config["dns"]["server"][$dns_servers]["address"] = $expl[2];
 370                                 if($hasdescription) {
 371                                         $this->config["dns"]["server"][$dns_servers]["description"] = $description;
 372                                 }
 373                                 $this->config["dns"]["nservers"] = $dns_servers+1;
 374                                 break;
 375
 376
 377                         case "ntp":
 378                                 if(isset($this->config["ntp"]["nservers"])) {
 379                                         $ntp_servers = $this->config["ntp"]["nservers"];
 380                                 } else {
 381                                         $ntp_servers = 0;
 382                                 }
 383                                 if($expl[1] == "server") $this->config["ntp"]["server"][$ntp_servers]["address"] = $expl[2];
 384                                 if($hasdescription) {
 385                                         $this->config["ntp"]["server"][$ntp_servers]["description"] = $description;
 386                                 }
 387                                 $this->config["ntp"]["nservers"] = $ntp_servers+1;
 388                                 break;
 389
 390
 391
 392                         default:
 393                                 echo "Errr, unknown config directive on line $lineno, $line\n";
 394                 }
 395
 396
 397         }
 398
 399         function saveConfigFile($file)
 400         {
 401                 global $AM_DAEMON;
 402                 if(!$AM_DAEMON) return true;
 403
 404         }
 405
 406         private $config_file;
 407         private $config;
 408 };
 409
 410 ?>