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