From 127a9061b2af28e3cb59f67b5cf7268b59d312cd Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Wed, 4 Jul 2018 23:08:02 +0200
Subject: Initial release

---
 index.php | 226 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 226 insertions(+)
 create mode 100644 index.php

(limited to 'index.php')

diff --git a/index.php b/index.php
new file mode 100644
index 0000000..61f4650
--- /dev/null
+++ b/index.php
@@ -0,0 +1,226 @@
+<?php
+#$VERBOSE = 1;
+
+require "cidr.php";
+require "config.php";
+
+function get_templates(&$server) {
+    $templates = array();
+    foreach (glob("{$server['templates']}/*") as $ffn) {
+	$fn = basename($ffn);
+	$templates[$fn] = file_get_contents($ffn);
+    }
+
+    if ((isset($server["disk2"]))&&($server["raid"] !== false)) {
+	$raid = $server["raid"];
+	if (preg_match("/RAID(\d+)/i", $raid, $m)) $raid = $m[1];
+	$templates['storage_config'] = $templates["raid{$raid}"];
+    } else {
+	$templates['storage_config'] = $templates['hdd'];
+    }
+
+    unset($server['templates']);
+
+    return $templates;
+}
+
+function get_server($srvid) {
+    global $SERVER_LIST;
+    global $NETMASK;
+
+    $server = $SERVER_LIST[$srvid];
+
+    if (!isset($server["fqdn"]))
+	$server["fqdn"] = "{$srvid}.{$server['domain']}";
+
+    if (!isset($server["ip"])) {
+	if (isset($server["base_ip"])&&($server["base_net"])) {
+	    if (preg_match("/(\d+)$/", $srvid, $m)) {
+		$server["ip"] = $server["base_net"] . ($server["base_ip"] + $m[1]);
+	    } else {
+		$server["ip"] = false;
+	    }
+	} else {
+	    $ip = gethostbyname($server["fqdn"]);
+	    if ($ip == $server["fqdn"])
+		$server["ip"] = false;
+	    else
+		$server["ip"] = $ip;
+	}
+    }
+
+    if ($server["ip"]) {
+	$server["skip_ip"] = false;
+    } else {
+	$server["skip_ip"] = true;
+    }
+
+    if (!isset($server["netmask"])) {
+	if (isset($server["cidr"])) {
+	    $server["netmask"] = $NETMASK[$server["cidr"]];
+	}
+    }
+
+    $eths = $server["eth"];
+    if ((isset($eths[0]))&&(!isset($server["ethdev"])))
+	$server["ethdev"] = $eths[0];
+    if ((isset($eths[1]))&&(!isset($server["ethdev2"])))
+	$server["ethdev2"] = $eths[1];
+
+    $disks = explode(",", $server["sysdisks"]);
+    if (!isset($server["bootdisk"]))
+	$server["bootdisk"] = $disks[0];
+
+    if (!isset($server["disk1"]))
+	$server["disk1"] = $disks[0];
+
+    if ((isset($disks[1]))&&(!isset($server["disk2"])))
+	$server["disk2"] = $disks[1];
+
+    unset($server["eths"]);
+    unset($server["macs"]);
+    unset($server["headers"]);
+
+    return $server;
+}
+
+function find_mac($macs, $mac_header) {
+    if (!is_array($macs)) $macs = array($macs);
+
+    foreach ($macs as $mac) {
+	if (preg_match("/$mac/", $mac_header)) 
+	    return true;
+    }
+    return false;
+}
+
+function  find_server_by_mac($mac_header) {
+    global $SERVER_LIST;
+
+    foreach ($SERVER_LIST as $srvid => $server) {
+	if (find_mac($server['macs'], $mac_header))
+	    return get_server($srvid);
+    }
+    return false;
+}
+
+function  find_server_by_header($http_header, $value) {
+    global $SERVER_LIST;
+
+    foreach ($SERVER_LIST as $srvid => $server) {
+	if ((is_array($server["headers"]))&&(isset($server["headers"][$http_header]))) {
+	    $expected = $server["headers"][$http_header];
+	    if (!is_array($expected)) $expected = array($expected);
+	    foreach ($expected as $re) {
+		if (preg_match("/$re/", $value))
+		    return get_server($srvid);
+	    }
+	}
+    }
+    return false;
+}
+
+function find_server() {
+    global $DEFAULT_SERVER;
+    global $_SERVER;
+
+    $headers =  getallheaders();
+    for ($i = 0; $i < 10; $i++) {
+	$if = "X-RHN-Provisioning-MAC-$i";
+	if (!isset($headers[$if])) break;
+
+	$server = find_server_by_mac($headers[$if]);
+	if ($server) return $server;
+    }
+
+    foreach ($_SERVER as $header => $value) {
+	$server = find_server_by_header($header, $value);
+	if ($server) return $server;
+    }
+
+    if (isset($DEFAULT_SERVER)) {
+	return get_server($DEFAULT_SERVER);
+    }
+
+    return false;
+}
+
+
+
+
+$server = find_server();
+
+$f = fopen("/srv/www/htdocs/ands/logs/kickstart.log", "a+");
+if ($f) {
+    fprintf($f, "%s %s\n", $_SERVER["REMOTE_ADDR"], ($server?$server["fqdn"]:"-"));
+    fclose($f);
+}
+
+if (!$server) {
+    $f = fopen("/srv/www/htdocs/ands/logs/kickstart-new.log", "a+");
+    if ($f) {
+	fwrite($f, print_r($_SERVER, true));
+	fwrite($f, print_r(getallheaders(), true));
+	fclose($f);
+    } 
+    return;
+}
+
+$templates = get_templates($server);
+
+$ks = file_get_contents($server["ks"]);
+
+
+$patterns=array(); $values=array();
+foreach ($templates as $key => $val) {
+    array_push($patterns, "/@" . strtoupper($key) . "@/");
+    array_push($values, $val);
+}
+$ks = preg_replace($patterns, $values, $ks);
+
+
+$patterns=array(); $values=array();
+foreach ($server as $key => $val) {
+    array_push($patterns, "/@" . strtoupper($key) . "@/");
+    if (is_bool($val)) {
+	if (preg_match("/^skip_/", $key)) {
+	    if ($val) $val = "#";
+	    else $val = "";
+	} elseif (preg_match("/^enable_/", $key)) {
+	    if ($val) $val = "";
+	    else $val = "#";
+	} else {
+	    if ($val) $val = 1;
+	    else $val = 0;
+	}
+    }
+    array_push($values, $val);
+}
+
+foreach ($DISTRIBUTIONS as $distrib) {
+    array_push($patterns, "/@" . strtoupper($distrib) . "@/");
+    array_push($values, (strcasecmp($distrib, $DISTRIBUTION)?"#":""));
+}
+
+//print_r($patterns);
+
+$ks = preg_replace($patterns, $values, $ks);
+
+if ($VERBOSE) {
+    $f = fopen("/srv/www/htdocs/ands/logs/kickstart-verbose.log", "a+");
+    if ($f) {
+	fwrite($f, "-----------------------------------------------------\n");
+	fwrite($f, print_r($server, true));
+	fwrite($f, print_r($_SERVER, true));
+	fwrite($f, print_r(getallheaders(), true));
+	fwrite($f, "-----------------------------------------------------\n");
+	fwrite($f, $ks);
+	fwrite($f, "=====================================================\n");
+	fclose($f);
+    } 
+} 
+
+header("Content-type: text/plain");
+echo $ks;
+
+?>
-- 
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