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<?php
/*
Save settings of network devices (type, name, PW, APN ...)
Called by js saveNetDeviceSettings (App/js/custom.js)
*/
require '../../includes/csrf.php';
require_once '../../includes/config.php';
require_once '../../includes/functions.php';
if (isset($_POST['interface'])) {
$int = $_POST['interface'];
$cfg = [];
$file = $int.".ini";
$cfgfile="/etc/wvdial.conf";
if ( $int == "mobiledata") {
$cfg['pin'] = $_POST["pin-mobile"];
$cfg['apn'] = $_POST["apn-mobile"];
$cfg['apn_user'] = $_POST["apn-user-mobile"];
$cfg['apn_pw'] = $_POST["apn-pw-mobile"];
if (file_exists($cfgfile)) {
if($cfg["pin"] !== "") exec('sudo /bin/sed -i "s/CPIN=\".*\"/CPIN=\"'.$cfg["pin"].'\"/gi" '.$cfgfile);
if($cfg["apn"] !== "") exec('sudo /bin/sed -i "s/\"IP\"\,\".*\"/\"IP\"\,\"'.$cfg["apn"].'\"/gi" '.$cfgfile);
if($cfg["apn_user"] !== "") exec('sudo /bin/sed -i "s/^username = .*$/Username = '.$cfg["apn_user"].'/gi" '.$cfgfile);
if($cfg["apn_pw"] !== "") exec('sudo /bin/sed -i "s/^password = .*$/Password = '.$cfg["apn_pw"].'/gi" '.$cfgfile);
}
} else if ( preg_match("/netdevices/",$int)) {
if(!isset($_POST['opts']) ) {
$jsonData = ['return'=>0,'output'=>['No valid data to add/delete udev rule ']];
echo json_encode($jsonData);
return;
} else {
$opts=explode(" ",$_POST['opts'] );
$dev=$opts[0];
$vid=$_POST["int-vid-".$dev];
$pid=$_POST["int-pid-".$dev];
$mac=$_POST["int-mac-".$dev];
$name=trim($_POST["int-name-".$dev]);
$name=preg_replace("/[^a-z0-9]/", "", strtolower($name));
$type=$_POST["int-type-".$dev];
$newtype=$_POST["int-new-type-".$dev];
$udevfile=$_SESSION["udevrules"]["udev_rules_file"]; // default file /etc/udev/rules.d/80-net-devices.rules";
// find the rule prototype and prefix
$rule = "";
foreach($_SESSION["udevrules"]["network_devices"] as $devt) {
if($devt["type"]==$newtype) {
$rulenew = $devt["udev_rule"];
$prefix = $devt["name_prefix"];
}
}
// check for an existing rule and delete lines with same MAC or same VID/PID
if (!empty($vid) && !empty($pid)) {
$rule = '^.*ATTRS{idVendor}==\"' . $vid . '\".*ATTRS{idProduct}==\"' . $pid . '\".*$';
exec('sudo sed -i "/'.$rule.'/Id" '.$udevfile); // clear all entries with this VID/PID
$rule = '^.*ATTRS{idProduct}==\"' . $pid . '\".*ATTRS{idVendor}==\"' . $vid . '\".*$';
exec('sudo sed -i "/'.$rule.'/Id" '.$udevfile); // clear all entries with this VID/PID
}
if (!empty($mac)) {
exec('sudo sed -i "/^.*'.$mac.'.*$/d" '.$udevfile); // clear all entries with same MAC
}
// create new entry
if ( ($type != $newtype) || !empty($name) ) { // new device type or new name
if (empty($name)) $name = $prefix."*";
if (!empty($mac)) $rule = preg_replace("/\\\$MAC\\\$/i", $mac, $rulenew);
if (!empty($vid)) $rule = preg_replace("/\\\$IDVENDOR\\\$/i", $vid, $rule);
if (!empty($pid)) $rule = preg_replace("/\\\$IDPRODUCT\\\$/i", $pid, $rule);
if (!empty($name)) $rule = preg_replace("/\\\$DEVNAME\\\$/i",$name,$rule);
if (!empty($rule)) exec('echo \''.$rule.'\' | sudo /usr/bin/tee -a '.$udevfile);
}
$ret=print_r($ret,true);
$jsonData = ['return'=>0,'output'=>['Settings changed for device '.$dev. '<br>Changes will only be in effect after reconnecting the device' ] ];
echo json_encode($jsonData);
return;
}
} else {
$ip = $_POST[$int.'-ipaddress'];
$netmask = mask2cidr($_POST[$int.'-netmask']);
$dns1 = $_POST[$int.'-dnssvr'];
$dns2 = $_POST[$int.'-dnssvralt'];
$cfg['interface'] = $int;
$cfg['routers'] = $_POST[$int.'-gateway'];
$cfg['ip_address'] = $ip."/".$netmask;
$cfg['domain_name_server'] = $dns1." ".$dns2;
$cfg['static'] = $_POST[$int.'-static'];
$cfg['failover'] = $_POST[$int.'-failover'];
}
if (write_php_ini($cfg, RASPI_CONFIG.'/networking/'.$file)) {
$jsonData = ['return'=>0,'output'=>['Successfully Updated Network Configuration']];
} else {
$jsonData = ['return'=>1,'output'=>['Error saving network configuration to file']];
}
} else {
$jsonData = ['return'=>2,'output'=>'Unable to detect interface'];
}
echo json_encode($jsonData);