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Refactor dhcpcd.conf handling w/ updateDhcpcdConfig()

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billz 2025-05-12 07:16:32 -07:00
parent 98e753ffa1
commit 0dc9e24f65
1 changed files with 67 additions and 9 deletions
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76
includes/hostapd.php
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@ -399,17 +399,11 @@ function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $reg_dom
$config[] = 'static ip_address='.$ip_address;
$config[] = 'nohook wpa_supplicant';
$config[] = PHP_EOL;
} else {
$def_ip = array();
$config = [ '# RaspAP '.$ap_iface.' configuration' ];
$config[] = 'interface '.$ap_iface;
$config[] = 'static ip_address='.$ip_address;
$config[] = 'static routers='.$routers;
$config[] = 'static domain_name_server='.$domain_name_server;
if (!empty($jsonData['Metric'])) {
$config[] = 'metric ' . $jsonData['Metric'];
}
$config = updateDhcpcdConfig($ap_iface, $jsonData, $ip_address, $routers, $domain_name_server);
}
$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
$skip_dhcp = false;
@ -534,6 +528,70 @@ function updateHostapdConfig($ignore_broadcast_ssid,$wifiAPEnable,$bridgedEnable
return $result;
}
/**
* Updates the dhcpcd configuration for a given interface, preserving existing settings
*
* @param string $ap_iface
* @param array $jsonData
* @param string $ip_address
* @param string $routers
* @param string $domain_name_server
* @return array updated configuration
*/
function updateDhcpcdConfig($ap_iface, $jsonData, $ip_address, $routers, $domain_name_server) {
$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
$existing_config = [];
$section_regex = '/^#\sRaspAP\s'.preg_quote($ap_iface, '/').'\s.*?(?=\s*^\s*$)/ms';
// extract existing interface configuration
if (preg_match($section_regex, $dhcp_cfg, $matches)) {
$lines = explode(PHP_EOL, $matches[0]);
foreach ($lines as $line) {
$line = trim($line);
if (preg_match('/^(interface|static|metric|nogateway|nohook)/', $line)) {
$existing_config[] = $line;
}
}
}
// initialize with comment
$config = [ '# RaspAP '.$ap_iface.' configuration' ];
$config[] = 'interface '.$ap_iface;
$static_settings = [
'static ip_address' => $ip_address,
'static routers' => $routers,
'static domain_name_server' => $domain_name_server
];
// merge existing settings with updates
foreach ($existing_config as $line) {
$matched = false;
foreach ($static_settings as $key => $value) {
if (strpos($line, $key) === 0) {
$config[] = "$key=$value";
$matched = true;
unset($static_settings[$key]);
break;
}
}
if (!$matched && !preg_match('/^interface/', $line)) {
$config[] = $line;
}
}
// add any new static settings
foreach ($static_settings as $key => $value) {
$config[] = "$key=$value";
}
// add metric if provided
if (!empty($jsonData['Metric']) && !in_array('metric '.$jsonData['Metric'], $config)) {
$config[] = 'metric '.$jsonData['Metric'];
}
return $config;
}
/**
* Executes iw to set the specified ISO 2-letter country code
*