2 files changed, 62 insertions, 0 deletions
diff --git a/roles/install_dhcp/files/fastd-services-api.php b/roles/install_dhcp/files/fastd-services-api.php
new file mode 100644
index 0000000..4eedd73
--- /dev/null
+++ b/roles/install_dhcp/files/fastd-services-api.php
@@ -0,0 +1,44 @@
+#!/usr/bin/php -f
+<?php
+// add include "/etc/dhcpd.hosts.conf"; to your dhcp config
+$url = 'https://www.freifunk-myk.de/services/ips';
+$out = '/etc/dhcpd.hosts.conf';
+ 
+if(!is_writable($out)) die('Output file perms');
+ 
+if( ($data = file_get_contents($url)) === FALSE ) die('Error getting ips');
+$data = unserialize($data);
+
+$active=array();
+ 
+foreach($data as $host) {
+        if(!preg_match('/^[a-f0-9]{12}$/', $host['mac'])) {
+                trigger_error('Host mit falscher MAC?!', E_USER_WARNING);
+        }elseif(!preg_match('/^10\.222\.\(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?\)\.\(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?\)$/', $host['staticip'])) {
+                trigger_error('Host mit falscher IP?!'.$host['mac'], E_USER_WARNING);
+        }else{
+                $active[] = $host;
+        }
+}
+if(count($active) < 5) die('Less than 5 hosts? Database broken?'); 
+$oldhash = hash_file("sha256", $out);
+$fp=fopen($out, 'w');
+foreach($active as $host) {
+        fwrite($fp, "host host".$host['mac']." {"."\n");
+        fwrite($fp, "\thardware ethernet ".
+                substr($host['mac'],0,2).":".
+                substr($host['mac'],2,2).":".
+                substr($host['mac'],4,2).":".
+                substr($host['mac'],6,2).":".
+                substr($host['mac'],8,2).":".
+                substr($host['mac'],10,2).
+                ';'."\n");
+        fwrite($fp, "\tfixed-address ".$host['staticip'].';'."\n");
+        fwrite($fp, "}\n\n");
+}
+fclose($fp);
+$newhash = hash_file("sha256", $out);
+if($oldhash != $newhash) {
+        exec('systemctl restart dhcpd4.service');
+}
+?>
diff --git a/roles/install_dhcp/tasks/main.yml b/roles/install_dhcp/tasks/main.yml
index 60cac06..c8912be 100644
--- a/roles/install_dhcp/tasks/main.yml
+++ b/roles/install_dhcp/tasks/main.yml
@@ -9,6 +9,24 @@
       path: /etc/dhcpd.hosts.conf
       state: touch
 
+- name: install php
+  pacman:
+      name: php
+      state: present
+
+- name: copy fastd-services-api.php
+  copy:
+      src: fastd-services-api.php
+      dest: /etc/fastd-services-api.php
+
+- name: setup cronjob for fastd-services-api
+  cron:
+      name: fastd-services-api
+      minute: '*/10'
+      user: root
+      cron_file: fastd-api
+      job: '/usr/bin/php /etc/fastd-services-api.php'
+
 - name: dhcpd.conf
   template:
       src: dhcpd.conf.j2