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()
   8         {
   9                 global $AM_DAEMON;
  10
  11                 if($AM_DAEMON) {
  12                         $this->config_file = null;
  13                         if(file_exists("../var/fw.conf")) {
  14                                 $this->config_file = realpath("../var/fw.conf");
  15                                 $this->config["status"] = "conf";
  16
  17                         }
  18                         if(file_exists("/var/lib/fwd/fw.conf")) {
  19                                 $this->config_file = "/var/lib/fwd/fw.conf";
  20                                 $this->config["status"] = "conf";
  21                         }
  22
  23
  24                         if($this->config_file == null) {
  25                                 $this->config["status"] = "noconf";
  26                                 if(is_dir("/var/lib/fwd/")) {
  27                                         echo "no config file found. Will use ../var/fw.conf for now\n";
  28                                         $this->config_file = "/var/lib/fwd/fw.conf";
  29                                 } else if(is_dir("../var/")) {
  30                                         echo "no config file found. Will use ../var/fw.conf for now\n";
  31                                         $this->config_file = "../var/";
  32                                 } else {
  33                                         echo "No directory where i can create a config, bailing\n";
  34                                         $this->config["status"] = "unconf";
  35                                 }
  36                         }
  37
  38
  39
  40                 }
  41         }
  42
  43         function bootHardware()
  44         {
  45                 $this->findHardware();
  46
  47                 $mycomm = new Comms();
  48                 $mycomm->putConfig($this->config, 1);
  49
  50         }
  51
  52         function loadConfig()
  53         {
  54                 global $AM_DAEMON;
  55
  56                 if($AM_DAEMON) {
  57                         if($this->config["status"] == "conf") {
  58                                 $this->loadConfigFile($this->config_file);
  59                                 $this->applyConfig();
  60                                 $this->findHardware();
  61
  62                                 $mycomm = new Comms();
  63                                 $mycomm->putConfig($this->config);
  64                                 $this->boot_config = $mycomm->getConfig(1);
  65                         }
  66                 } else {
  67                         $mycomm = new Comms();
  68                         $this->config = $mycomm->getConfig(0);
  69                         $this->boot_config = $mycomm->getConfig(1);
  70
  71                 }
  72         }
  73
  74         function findHardware()
  75         {
  76
  77
  78                 // first, network interfaces
  79                 $dh = opendir("/sys/class/net/");
  80                 while(($fname = readdir($dh)) !== false) {
  81                         if($fname != "." && $fname != ".." && $fname != "lo" && is_dir("/sys/class/net/$fname/")) {
  82                                 $this->config["hardware"]["netdev"][$fname]["name"] = $fname;
  83                                 // now read drive name if you can
  84                                 if(file_exists("/sys/class/net/$fname/device/uevent")) $fp = fopen("/sys/class/net/$fname/device/uevent", "r");
  85                                 else $fp = false;
  86                                 if($fp) {
  87                                         while(!feof($fp)) {
  88                                                 $line = trim(fgets($fp));
  89                                                 $lpl = explode("=", $line);
  90                                                 if($lpl[0] == "DRIVER") {
  91                                                         $this->config["hardware"]["netdev"][$fname]["driver"] = $lpl[1];
  92                                                 }
  93                                         }
  94                                         fclose($fp);
  95                                 }
  96                                 if(file_exists("/sys/class/net/$fname/bonding")) $this->config["hardware"]["netdev"][$fname]["bonding"] = true;
  97                                 if(file_exists("/sys/class/net/$fname/bridge")) $this->config["hardware"]["netdev"][$fname]["bridge"] = true;
  98                         }
  99                 }
 100         }
 101
 102         function getConfig()
 103         {
 104                 return $this->config;
 105         }
 106
 107         function getBootConfig()
 108         {
 109                 return $this->boot_config;
 110         }
 111
 112         function applyConfig()
 113         {
 114                 global $AM_DAEMON;
 115                 if(!$AM_DAEMON) return true;
 116
 117                 // oh the joy
 118                 return true;
 119         }
 120
 121         function loadConfigFile($file)
 122         {
 123                 global $AM_DAEMON;
 124                 if(!$AM_DAEMON) return true;
 125
 126                 $fp = fopen($file, "r");
 127
 128                 $i = 1;
 129                 while($line = fgets($fp)) {
 130                         $line = trim($line);
 131                         echo "read line $line\n";
 132                         if($line != "") $this->parseLine($line, $i++);
 133                 }
 134         }
 135
 136         function parseLine($line, $lineno)
 137         {
 138                 $expl = preg_split("/ +/", $line);
 139
 140                 echo "process command ".$expl[0]."\n";
 141
 142                 // find a description
 143                 $description = null;
 144                 $hasdescription = false;
 145                 for($i=0; $i<count($expl); $i++) {
 146                         if($hasdescription !== false) {
 147                                 if($description != null) {
 148                                         $description .= " ";
 149                                 }
 150                                 $description .= $expl[$i];
 151                         }
 152                         if($expl[$i] == "#") {
 153                                 $hasdescription = $i;
 154                         }
 155                 }
 156
 157                 // now rebuild the array if there was one
 158                 if($hasdescription) {
 159                         for($i=0; $i<$hasdescription; $i++) {
 160                                 $expl_r[$i] = $expl[$i];
 161                         }
 162                         $expl = $expl_r;
 163                 }
 164
 165                 switch($expl[0]) {
 166                         case "hostname":
 167                                 // set the hostname to $1
 168                                 $this->config["hostname"] = $expl[1];
 169                                 break;
 170
 171                         case "domainname":
 172                                 // set the hostname to $1
 173                                 $this->config["domainname"] = $expl[1];
 174                                 break;
 175
 176                         case "zone":
 177                                 if($hasdescription) {
 178                                         $this->config["zone"][$expl[2]]["description"] = $description;
 179                                 }
 180                                 $this->config["zone"][$expl[2]]["name"] = true;
 181                                 break;
 182
 183                         case "interface":
 184                                 switch($expl[1]) {
 185                                         case "dev":
 186                                                 $int = $expl[2];
 187
 188                                                 if($hasdescription) {
 189                                                         $this->config["interface"][$int]["description"] = $description;
 190                                                 }
 191
 192                                                 switch($expl[3]) {
 193                                                         case "address4":
 194                                                                 $this->config["interface"]["$int"]["address4"] = $expl[4];
 195                                                                 break;
 196                                                         case "address6":
 197                                                                 $this->config["interface"]["$int"]["address6"] = $expl[4];
 198                                                                 break;
 199                                                         case "name":
 200                                                                 $this->config["interface"]["$int"]["name"] = $expl[4];
 201                                                                 break;
 202                                                         case "status":
 203                                                                 $this->config["interface"]["$int"]["status"] = $expl[4];
 204                                                                 break;
 205                                                         case "mtu":
 206                                                                 $this->config["interface"]["$int"]["mtu"] = $expl[4];
 207                                                                 break;
 208                                                         case "zone":
 209                                                                 $this->config["interface"]["$int"]["zone"] = $expl[4];
 210                                                                 break;
 211                                                         case "speed":
 212                                                                 $this->config["interface"]["$int"]["speed"] = $expl[4];
 213                                                                 break;
 214                                                         case "duplex":
 215                                                                 $this->config["interface"]["$int"]["duplex"] = $expl[4];
 216                                                                 break;
 217                                                 }
 218                                                 break;
 219
 220                                         case "vlan":
 221                                                 $vlanid = $expl[2];
 222                                                 $name = $expl[4];
 223                                                 $from = $expl[6];
 224                                                 $this->config["vlan"][$name]["parent"] = $from;
 225                                                 $this->config["vlan"][$name]["id"] = $vlanid;
 226                                                 if($hasdescription) {
 227                                                         $this->config["vlan"][$name]["description"] = $description;
 228                                                 }
 229                                                 break;
 230
 231                                         case "lag":
 232                                                 $name = $expl[3];
 233                                                 for($i=5; $i<count($expl); $i++) {
 234                                                         $this->config["lag"][$name][$i-5] = $expl[$i];
 235                                                 }
 236                                                 if($hasdescription) {
 237                                                         $this->config["lag"][$name]["description"] = $description;
 238                                                 }
 239                                                 break;
 240
 241                                         case "bridge":
 242                                                 $name = $expl[3];
 243                                                 for($i=5; $i<count($expl); $i++) {
 244                                                         $this->config["bridge"][$name][$i-5] = $expl[$i];
 245                                                 }
 246                                                 if($hasdescription) {
 247                                                         $this->config["bridge"][$name]["description"] = $description;
 248                                                 }
 249                                                 break;
 250
 251                                 }
 252                                 break;
 253
 254
 255                         case "login":
 256                                 $this->config["login"][$expl[1]] = $expl[3];
 257                                 if($hasdescription) {
 258                                         $this->config["login"][$expl[1]]["description"] = $description;
 259                                 }
 260                                 break;
 261
 262                         case "route4":
 263                                 $route = $expl[1];
 264                                 $via = $expl[2];
 265                                 $dest = $expl[3];
 266                                 if($via == "to") {
 267                                         $this->config["route4"][$route]["address"] = $dest;
 268                                 } else {
 269                                         $this->config["route4"][$route]["device"] = $dest;
 270                                 }
 271                                 if(isset($expl[4])) {
 272                                         if($expl[4] == "dev") {
 273                                                 if(isset($expl[5])) {
 274                                                         $this->config["route4"][$route]["device"] = $expl[5];
 275                                                 }
 276                                         }
 277                                 }
 278                                 if($hasdescription) {
 279                                         $this->config["route4"][$route]["description"] = $description;
 280                                 }
 281                                 break;
 282
 283
 284                         case "route6":
 285                                 $route = $expl[1];
 286                                 $via = $expl[2];
 287                                 $dest = $expl[3];
 288                                 if($via == "to") {
 289                                         $this->config["route6"][$route]["address"] = $dest;
 290                                 } else {
 291                                         $this->config["route6"][$route]["device"] = $dest;
 292                                 }
 293                                 if(isset($expl[4])) {
 294                                         if($expl[4] == "dev") {
 295                                                 if(isset($expl[5])) {
 296                                                         $this->config["route6"][$route]["device"] = $expl[5];
 297                                                 }
 298                                         }
 299                                 }
 300                                 if($hasdescription) {
 301                                         $this->config["route6"][$route]["description"] = $description;
 302                                 }
 303
 304                                 // here we should check "$route"
 305                                 break;
 306
 307
 308                         case "dns":
 309                                 if(isset($this->config["dns"]["nservers"])) {
 310                                         $dns_servers = $this->config["dns"]["nservers"];
 311                                 } else {
 312                                         $dns_servers = 0;
 313                                 }
 314                                 if($expl[1] == "server") $this->config["dns"]["server"][$dns_servers]["address"] = $expl[2];
 315                                 if($hasdescription) {
 316                                         $this->config["dns"]["server"][$dns_servers]["description"] = $description;
 317                                 }
 318                                 $this->config["dns"]["nservers"] = $dns_servers+1;
 319                                 break;
 320
 321
 322                         case "ntp":
 323                                 if(isset($this->config["ntp"]["nservers"])) {
 324                                         $ntp_servers = $this->config["ntp"]["nservers"];
 325                                 } else {
 326                                         $ntp_servers = 0;
 327                                 }
 328                                 if($expl[1] == "server") $this->config["ntp"]["server"][$ntp_servers]["address"] = $expl[2];
 329                                 if($hasdescription) {
 330                                         $this->config["ntp"]["server"][$ntp_servers]["description"] = $description;
 331                                 }
 332                                 $this->config["ntp"]["nservers"] = $ntp_servers+1;
 333                                 break;
 334
 335
 336
 337                         default:
 338                                 echo "Errr, unknown config directive on line $lineno, $line\n";
 339                 }
 340
 341
 342         }
 343
 344         function saveConfigFile($file)
 345         {
 346                 global $AM_DAEMON;
 347                 if(!$AM_DAEMON) return true;
 348
 349         }
 350
 351         private $config_file;
 352         private $config;
 353         private $boot_config;
 354 };
 355
 356 ?>