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 $this->config;
  77         }
  78
  79         function setConfig($config) {
  80                 $this->config = $config;
  81         }
  82
  83         function applyConfig()
  84         {
  85                 global $AM_DAEMON;
  86                 if(!$AM_DAEMON) return true;
  87
  88                 // oh the joy
  89                 return true;
  90         }
  91
  92
  93
  94         function loadConfigFile($file=null)
  95         {
  96
  97                 if($file == null) {
  98                         if($this->config["status"] == "nodir") {
  99                                 return "nodir";
 100                         } else $file = $this->config_file;
 101                 }
 102
 103                 if(!file_exists($file)) return "noconf";
 104
 105                 $fp = fopen($file, "r");
 106
 107                 $i = 1;
 108                 while($line = fgets($fp)) {
 109                         $line = trim($line);
 110                         echo "read line $line\n";
 111                         if($line != "") $this->addConfigLine($line, $i++);
 112                 }
 113         }
 114
 115         function addConfigLine($line, $lineno=0)
 116         {
 117                 $line_n = trim($line);
 118                 $line = $line_n;
 119                 $expl = preg_split("/ +/", $line);
 120
 121                 if(count($expl) < 2) {
 122                         $c = count($expl);
 123                         error_log("Not a valid config line ($c), $line");
 124                         return 0;
 125                 }
 126                 echo "process command ".$expl[0]."\n";
 127
 128                 // find a description
 129                 $description = null;
 130                 $hasdescription = false;
 131                 for($i=0; $i<count($expl); $i++) {
 132                         if($hasdescription !== false) {
 133                                 if($description != null) {
 134                                         $description .= " ";
 135                                 }
 136                                 $description .= $expl[$i];
 137                         }
 138                         if($expl[$i] == "#") {
 139                                 $hasdescription = $i;
 140                         }
 141                 }
 142
 143                 // now rebuild the array if there was a description
 144                 if($hasdescription) {
 145                         for($i=0; $i<$hasdescription; $i++) {
 146                                 $expl_r[$i] = $expl[$i];
 147                         }
 148                         $expl = $expl_r;
 149                 }
 150
 151                 $delete = false;
 152                 // check for delete on the line
 153                 if($expl[0] == "delete") {
 154                         $delete = true;
 155
 156                         // re-order the array
 157                         for($i=0; $i < (count($expl)-1); $i++) {
 158                         $expl[$i] = $expl[$i+1];
 159                         }
 160                         unset($expl[count($expl)-1]);
 161                 }
 162
 163                 // now for modify
 164                 $modify = false;
 165                 // check for delete on the line
 166                 if($expl[0] == "modify") {
 167                         $modify = true;
 168
 169                         // re-order the array
 170                         for($i=0; $i < (count($expl)-1); $i++) {
 171                         $expl[$i] = $expl[$i+1];
 172                         }
 173                         unset($expl[count($expl)-1]);
 174                 }
 175
 176                 switch($expl[0]) {
 177                         case "hostname":
 178                                 // set the hostname to $1
 179                                 if($delete) {
 180                                         unset($this->config["hostname"]);
 181                                 } else {
 182                                         $this->config["hostname"] = $expl[1];
 183                                 }
 184                                 break;
 185
 186                         case "domainname":
 187                                 // set the hostname to $1
 188                                 if($delete) {
 189                                         unset($this->config["domainname"]);
 190                                 } else {
 191                                         $this->config["domainname"] = $expl[1];
 192                                 }
 193                                 break;
 194
 195                         case "zone":
 196                                 if($delete) {
 197                                         error_log("delete zone ".$expl[2]);
 198                                         unset($this->config["zone"][$expl[2]]);
 199                                         if(count($this->config["zone"]) < 1) {
 200                                                 error_log("zone now empty, delete zones");
 201                                                 unset($this->config["zone"]);
 202                                         }
 203                                 } else {
 204                                         if($hasdescription) {
 205                                                 $this->config["zone"][$expl[2]]["description"] = $description;
 206                                         }
 207                                         $this->config["zone"][$expl[2]]["name"] = true;
 208                                 }
 209                                 break;
 210
 211                         case "interface":
 212                                 switch($expl[1]) {
 213                                         case "dev":
 214                                                 $int = $expl[2];
 215
 216                                                 if($hasdescription) {
 217                                                         $this->config["interface"][$int]["description"] = $description;
 218                                                 }
 219
 220                                                 switch($expl[3]) {
 221                                                         case "address4":
 222                                                                 $this->config["interface"]["$int"]["address4"] = $expl[4];
 223                                                                 break;
 224                                                         case "address6":
 225                                                                 $this->config["interface"]["$int"]["address6"] = $expl[4];
 226                                                                 break;
 227                                                         case "name":
 228                                                                 $this->config["interface"]["$int"]["name"] = $expl[4];
 229                                                                 break;
 230                                                         case "status":
 231                                                                 $this->config["interface"]["$int"]["status"] = $expl[4];
 232                                                                 break;
 233                                                         case "mtu":
 234                                                                 $this->config["interface"]["$int"]["mtu"] = $expl[4];
 235                                                                 break;
 236                                                         case "zone":
 237                                                                 $this->config["interface"]["$int"]["zone"] = $expl[4];
 238                                                                 break;
 239                                                         case "speed":
 240                                                                 $this->config["interface"]["$int"]["speed"] = $expl[4];
 241                                                                 break;
 242                                                         case "duplex":
 243                                                                 $this->config["interface"]["$int"]["duplex"] = $expl[4];
 244                                                                 break;
 245                                                 }
 246                                                 break;
 247
 248                                         case "vlan":
 249                                                 $vlanid = $expl[2];
 250                                                 $name = $expl[4];
 251                                                 $from = $expl[6];
 252                                                 $this->config["vlan"][$name]["parent"] = $from;
 253                                                 $this->config["vlan"][$name]["id"] = $vlanid;
 254                                                 if($hasdescription) {
 255                                                         $this->config["vlan"][$name]["description"] = $description;
 256                                                 }
 257                                                 break;
 258
 259                                         case "lag":
 260                                                 $name = $expl[3];
 261                                                 for($i=5; $i<count($expl); $i++) {
 262                                                         $this->config["lag"][$name][$i-5] = $expl[$i];
 263                                                 }
 264                                                 if($hasdescription) {
 265                                                         $this->config["lag"][$name]["description"] = $description;
 266                                                 }
 267                                                 break;
 268
 269                                         case "bridge":
 270                                                 $name = $expl[3];
 271                                                 for($i=5; $i<count($expl); $i++) {
 272                                                         $this->config["bridge"][$name][$i-5] = $expl[$i];
 273                                                 }
 274                                                 if($hasdescription) {
 275                                                         $this->config["bridge"][$name]["description"] = $description;
 276                                                 }
 277                                                 break;
 278
 279                                 }
 280                                 break;
 281
 282
 283                         case "login":
 284                                 if($delete) {
 285                                         unset($this->config["login"][$expl[1]]);
 286                                 } else {
 287                                         $this->config["login"][$expl[1]] = $expl[3];
 288                                         if($hasdescription) {
 289                                                 $this->config["login"][$expl[1]]["description"] = $description;
 290                                         }
 291                                 }
 292                                 break;
 293
 294                         case "route4":
 295                                 if($delete) {
 296                                         unset($this->config["route4"][$expl[1]]);
 297                                 } else {
 298                                         $route = $expl[1];
 299                                         $via = $expl[2];
 300                                         $dest = $expl[3];
 301                                         if($via == "to") {
 302                                                 $this->config["route4"][$route]["address"] = $dest;
 303                                         } else {
 304                                                 $this->config["route4"][$route]["device"] = $dest;
 305                                         }
 306                                         if(isset($expl[4])) {
 307                                                 if($expl[4] == "dev") {
 308                                                         if(isset($expl[5])) {
 309                                                                 $this->config["route4"][$route]["device"] = $expl[5];
 310                                                         }
 311                                                 }
 312                                         }
 313                                         if($hasdescription) {
 314                                                 $this->config["route4"][$route]["description"] = $description;
 315                                         }
 316                                 }
 317                                 break;
 318
 319
 320                         case "route6":
 321                                 if($delete) {
 322                                         unset($this->config["route6"][$expl[1]]);
 323                                 } else {
 324                                         $route = $expl[1];
 325                                         $via = $expl[2];
 326                                         $dest = $expl[3];
 327                                         if($via == "to") {
 328                                                 $this->config["route6"][$route]["address"] = $dest;
 329                                         } else {
 330                                                 $this->config["route6"][$route]["device"] = $dest;
 331                                         }
 332                                         if(isset($expl[4])) {
 333                                                 if($expl[4] == "dev") {
 334                                                         if(isset($expl[5])) {
 335                                                                 $this->config["route6"][$route]["device"] = $expl[5];
 336                                                         }
 337                                                 }
 338                                         }
 339                                         if($hasdescription) {
 340                                                 $this->config["route6"][$route]["description"] = $description;
 341                                         }
 342                                 }
 343                                 // here we should check "$route"
 344                                 break;
 345
 346
 347                         case "dns":
 348                                 if(isset($this->config["dns"]["nservers"])) {
 349                                         $dns_servers = $this->config["dns"]["nservers"];
 350                                 } else {
 351                                         $dns_servers = 0;
 352                                 }
 353                                 if($expl[1] == "server") $this->config["dns"]["server"][$dns_servers]["address"] = $expl[2];
 354                                 if($hasdescription) {
 355                                         $this->config["dns"]["server"][$dns_servers]["description"] = $description;
 356                                 }
 357                                 $this->config["dns"]["nservers"] = $dns_servers+1;
 358                                 break;
 359
 360
 361                         case "ntp":
 362                                 if(isset($this->config["ntp"]["nservers"])) {
 363                                         $ntp_servers = $this->config["ntp"]["nservers"];
 364                                 } else {
 365                                         $ntp_servers = 0;
 366                                 }
 367                                 if($expl[1] == "server") $this->config["ntp"]["server"][$ntp_servers]["address"] = $expl[2];
 368                                 if($hasdescription) {
 369                                         $this->config["ntp"]["server"][$ntp_servers]["description"] = $description;
 370                                 }
 371                                 $this->config["ntp"]["nservers"] = $ntp_servers+1;
 372                                 break;
 373
 374
 375
 376                         default:
 377                                 echo "Errr, unknown config directive on line $lineno, $line\n";
 378                 }
 379
 380
 381         }
 382
 383         function saveConfigFile($file)
 384         {
 385                 global $AM_DAEMON;
 386                 if(!$AM_DAEMON) return true;
 387
 388         }
 389
 390         private $config_file;
 391         private $config;
 392 };
 393
 394 ?>