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/address")) $this->config["hardware"]["netdev"][$fname]["hwaddress"] = file_get_contents("/sys/class/net/$fname/address");
  67                                 if(file_exists("/sys/class/net/$fname/bonding")) $this->config["hardware"]["netdev"][$fname]["bonding"] = true;
  68                                 if(file_exists("/sys/class/net/$fname/bridge")) $this->config["hardware"]["netdev"][$fname]["bridge"] = true;
  69                         }
  70                 }
  71         }
  72
  73         function getConfig()
  74         {
  75                 return $this->config;
  76         }
  77
  78         function applyConfig()
  79         {
  80                 global $AM_DAEMON;
  81                 if(!$AM_DAEMON) return true;
  82
  83                 // oh the joy
  84                 return true;
  85         }
  86
  87         function mergeConfig($configone, $configtwo)
  88         {
  89                 // yep
  90         }
  91
  92         function loadConfigFile($file=null)
  93         {
  94
  95                 if($file == null) {
  96                         if($this->config["status"] == "nodir") {
  97                                 return "nodir";
  98                         } else $file = $this->config_file;
  99                 }
 100
 101                 if(!file_exists($file)) return "noconf";
 102
 103                 $fp = fopen($file, "r");
 104
 105                 $i = 1;
 106                 while($line = fgets($fp)) {
 107                         $line = trim($line);
 108                         echo "read line $line\n";
 109                         if($line != "") $this->parseLine($line, $i++);
 110                 }
 111         }
 112
 113         function parseLine($line, $lineno)
 114         {
 115                 $expl = preg_split("/ +/", $line);
 116
 117                 echo "process command ".$expl[0]."\n";
 118
 119                 // find a description
 120                 $description = null;
 121                 $hasdescription = false;
 122                 for($i=0; $i<count($expl); $i++) {
 123                         if($hasdescription !== false) {
 124                                 if($description != null) {
 125                                         $description .= " ";
 126                                 }
 127                                 $description .= $expl[$i];
 128                         }
 129                         if($expl[$i] == "#") {
 130                                 $hasdescription = $i;
 131                         }
 132                 }
 133
 134                 // now rebuild the array if there was one
 135                 if($hasdescription) {
 136                         for($i=0; $i<$hasdescription; $i++) {
 137                                 $expl_r[$i] = $expl[$i];
 138                         }
 139                         $expl = $expl_r;
 140                 }
 141
 142                 switch($expl[0]) {
 143                         case "hostname":
 144                                 // set the hostname to $1
 145                                 $this->config["hostname"] = $expl[1];
 146                                 break;
 147
 148                         case "domainname":
 149                                 // set the hostname to $1
 150                                 $this->config["domainname"] = $expl[1];
 151                                 break;
 152
 153                         case "zone":
 154                                 if($hasdescription) {
 155                                         $this->config["zone"][$expl[2]]["description"] = $description;
 156                                 }
 157                                 $this->config["zone"][$expl[2]]["name"] = true;
 158                                 break;
 159
 160                         case "interface":
 161                                 switch($expl[1]) {
 162                                         case "dev":
 163                                                 $int = $expl[2];
 164
 165                                                 if($hasdescription) {
 166                                                         $this->config["interface"][$int]["description"] = $description;
 167                                                 }
 168
 169                                                 switch($expl[3]) {
 170                                                         case "address4":
 171                                                                 $this->config["interface"]["$int"]["address4"] = $expl[4];
 172                                                                 break;
 173                                                         case "address6":
 174                                                                 $this->config["interface"]["$int"]["address6"] = $expl[4];
 175                                                                 break;
 176                                                         case "name":
 177                                                                 $this->config["interface"]["$int"]["name"] = $expl[4];
 178                                                                 break;
 179                                                         case "status":
 180                                                                 $this->config["interface"]["$int"]["status"] = $expl[4];
 181                                                                 break;
 182                                                         case "mtu":
 183                                                                 $this->config["interface"]["$int"]["mtu"] = $expl[4];
 184                                                                 break;
 185                                                         case "zone":
 186                                                                 $this->config["interface"]["$int"]["zone"] = $expl[4];
 187                                                                 break;
 188                                                         case "speed":
 189                                                                 $this->config["interface"]["$int"]["speed"] = $expl[4];
 190                                                                 break;
 191                                                         case "duplex":
 192                                                                 $this->config["interface"]["$int"]["duplex"] = $expl[4];
 193                                                                 break;
 194                                                 }
 195                                                 break;
 196
 197                                         case "vlan":
 198                                                 $vlanid = $expl[2];
 199                                                 $name = $expl[4];
 200                                                 $from = $expl[6];
 201                                                 $this->config["vlan"][$name]["parent"] = $from;
 202                                                 $this->config["vlan"][$name]["id"] = $vlanid;
 203                                                 if($hasdescription) {
 204                                                         $this->config["vlan"][$name]["description"] = $description;
 205                                                 }
 206                                                 break;
 207
 208                                         case "lag":
 209                                                 $name = $expl[3];
 210                                                 for($i=5; $i<count($expl); $i++) {
 211                                                         $this->config["lag"][$name][$i-5] = $expl[$i];
 212                                                 }
 213                                                 if($hasdescription) {
 214                                                         $this->config["lag"][$name]["description"] = $description;
 215                                                 }
 216                                                 break;
 217
 218                                         case "bridge":
 219                                                 $name = $expl[3];
 220                                                 for($i=5; $i<count($expl); $i++) {
 221                                                         $this->config["bridge"][$name][$i-5] = $expl[$i];
 222                                                 }
 223                                                 if($hasdescription) {
 224                                                         $this->config["bridge"][$name]["description"] = $description;
 225                                                 }
 226                                                 break;
 227
 228                                 }
 229                                 break;
 230
 231
 232                         case "login":
 233                                 $this->config["login"][$expl[1]] = $expl[3];
 234                                 if($hasdescription) {
 235                                         $this->config["login"][$expl[1]]["description"] = $description;
 236                                 }
 237                                 break;
 238
 239                         case "route4":
 240                                 $route = $expl[1];
 241                                 $via = $expl[2];
 242                                 $dest = $expl[3];
 243                                 if($via == "to") {
 244                                         $this->config["route4"][$route]["address"] = $dest;
 245                                 } else {
 246                                         $this->config["route4"][$route]["device"] = $dest;
 247                                 }
 248                                 if(isset($expl[4])) {
 249                                         if($expl[4] == "dev") {
 250                                                 if(isset($expl[5])) {
 251                                                         $this->config["route4"][$route]["device"] = $expl[5];
 252                                                 }
 253                                         }
 254                                 }
 255                                 if($hasdescription) {
 256                                         $this->config["route4"][$route]["description"] = $description;
 257                                 }
 258                                 break;
 259
 260
 261                         case "route6":
 262                                 $route = $expl[1];
 263                                 $via = $expl[2];
 264                                 $dest = $expl[3];
 265                                 if($via == "to") {
 266                                         $this->config["route6"][$route]["address"] = $dest;
 267                                 } else {
 268                                         $this->config["route6"][$route]["device"] = $dest;
 269                                 }
 270                                 if(isset($expl[4])) {
 271                                         if($expl[4] == "dev") {
 272                                                 if(isset($expl[5])) {
 273                                                         $this->config["route6"][$route]["device"] = $expl[5];
 274                                                 }
 275                                         }
 276                                 }
 277                                 if($hasdescription) {
 278                                         $this->config["route6"][$route]["description"] = $description;
 279                                 }
 280
 281                                 // here we should check "$route"
 282                                 break;
 283
 284
 285                         case "dns":
 286                                 if(isset($this->config["dns"]["nservers"])) {
 287                                         $dns_servers = $this->config["dns"]["nservers"];
 288                                 } else {
 289                                         $dns_servers = 0;
 290                                 }
 291                                 if($expl[1] == "server") $this->config["dns"]["server"][$dns_servers]["address"] = $expl[2];
 292                                 if($hasdescription) {
 293                                         $this->config["dns"]["server"][$dns_servers]["description"] = $description;
 294                                 }
 295                                 $this->config["dns"]["nservers"] = $dns_servers+1;
 296                                 break;
 297
 298
 299                         case "ntp":
 300                                 if(isset($this->config["ntp"]["nservers"])) {
 301                                         $ntp_servers = $this->config["ntp"]["nservers"];
 302                                 } else {
 303                                         $ntp_servers = 0;
 304                                 }
 305                                 if($expl[1] == "server") $this->config["ntp"]["server"][$ntp_servers]["address"] = $expl[2];
 306                                 if($hasdescription) {
 307                                         $this->config["ntp"]["server"][$ntp_servers]["description"] = $description;
 308                                 }
 309                                 $this->config["ntp"]["nservers"] = $ntp_servers+1;
 310                                 break;
 311
 312
 313
 314                         default:
 315                                 echo "Errr, unknown config directive on line $lineno, $line\n";
 316                 }
 317
 318
 319         }
 320
 321         function saveConfigFile($file)
 322         {
 323                 global $AM_DAEMON;
 324                 if(!$AM_DAEMON) return true;
 325
 326         }
 327
 328         private $config_file;
 329         private $config;
 330 };
 331
 332 ?>