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