From 1d6adec6039a635e97e31592bbbcbf4357e33c28 Mon Sep 17 00:00:00 2001
From: paulr <me@pjr.cc>
Date: Tue, 8 Feb 2011 02:24:26 +1100
Subject: [PATCH] Initial coding of the gaasd new auth server.

---
 doco/pseudo.txt            |    7 ++
 gaas/gaasd/gaasd.php       |   50 ++++++++++++++
 gaas/html/admin.php        |    9 +++
 gaas/html/index.php        |    9 +++
 gaas/html/setup.php        |    6 ++
 gaas/lib/gaasdClient.php   |    5 ++
 gaas/lib/gaasdLib.php      |  152 ++++++++++++++++++++++++++++++++++++++++++++
 gaas/lib/htmlLib.php       |    5 ++
 unittests/gaasdlibconf.php |   30 +++++++++
 9 files changed, 273 insertions(+), 0 deletions(-)
 create mode 100644 doco/pseudo.txt
 create mode 100644 gaas/gaasd/gaasd.php
 create mode 100644 gaas/html/admin.php
 create mode 100644 gaas/html/index.php
 create mode 100644 gaas/html/setup.php
 create mode 100644 gaas/lib/gaasdClient.php
 create mode 100644 gaas/lib/gaasdLib.php
 create mode 100644 gaas/lib/htmlLib.php
 create mode 100644 unittests/gaasdlibconf.php

diff --git a/doco/pseudo.txt b/doco/pseudo.txt
new file mode 100644
index 0000000..7aa375f
--- /dev/null
+++ b/doco/pseudo.txt
@@ -0,0 +1,7 @@
+I am the pseudo code for how gaasd will work...
+
+start:
+	am I inited?
+		yes: load from datastore (AD, database, etc)
+		no: tell any request returns "uninited"
+	figure out my datastore.
\ No newline at end of file
diff --git a/gaas/gaasd/gaasd.php b/gaas/gaasd/gaasd.php
new file mode 100644
index 0000000..cb716a7
--- /dev/null
+++ b/gaas/gaasd/gaasd.php
@@ -0,0 +1,50 @@
+<?php 
+
+// get out master library for gaasd daemon
+require_once("../lib/lib.php");
+
+// first we want to fork into the background like all good daemons should
+//$pid = pcntl_fork();
+
+
+// uncomment this bit and comment the fork above to stop it going into the background
+$pid = 0;
+
+if($pid == -1) {
+	// we failed to fork, oh woe is me
+} else if($pid) {
+	// i am the parent, i shall leave
+	//echo "i am a parent, i leave\n";
+	exit(0);
+} else {
+	// here is where i need to swithc to TCP network protocol stuff
+	// i must bind 127.0.0.1 though.
+	// what i want to happen is this:
+	// 1) server receives connection
+	// 2) server forks off process to process connection
+	// 3) main server continues.
+	// a forked process thingy should be fully self contained and capable of dealing
+	// with "problems", i.e. the parent doesnt want to have to clean up children
+	
+	// Here goes the tcp equivalent
+	global $TCP_PORT_NUMBER;
+	$res = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
+	socket_bind($res, "127.0.0.1", $TCP_PORT_NUMBER);
+	socket_listen($res);
+
+	while(true) {
+		$data_socket = socket_accept($res);
+		// now i fork
+		$forked = pcntl_fork();
+		
+		// TODO: DEAL WITH THIS PROPERLY
+		if($forked == -1) {
+			echo "Failed to fork\n";
+		} else if(!$forked) {
+			// I am the child, i process the request
+			// all the shit down below goes in here
+		}
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/gaas/html/admin.php b/gaas/html/admin.php
new file mode 100644
index 0000000..cd0ec3c
--- /dev/null
+++ b/gaas/html/admin.php
@@ -0,0 +1,9 @@
+<?php
+
+require_once("../lib/htmlLib.php");
+
+if(getInitStatus()) {
+	header("Location: setup.php");
+}
+
+?>
\ No newline at end of file
diff --git a/gaas/html/index.php b/gaas/html/index.php
new file mode 100644
index 0000000..cd0ec3c
--- /dev/null
+++ b/gaas/html/index.php
@@ -0,0 +1,9 @@
+<?php
+
+require_once("../lib/htmlLib.php");
+
+if(getInitStatus()) {
+	header("Location: setup.php");
+}
+
+?>
\ No newline at end of file
diff --git a/gaas/html/setup.php b/gaas/html/setup.php
new file mode 100644
index 0000000..62d1a91
--- /dev/null
+++ b/gaas/html/setup.php
@@ -0,0 +1,6 @@
+<?php
+
+require_once("../lib/htmlLib.php");
+
+// we are going to use a cookie session for storing configuration info as we "do" it
+?>
\ No newline at end of file
diff --git a/gaas/lib/gaasdClient.php b/gaas/lib/gaasdClient.php
new file mode 100644
index 0000000..36da285
--- /dev/null
+++ b/gaas/lib/gaasdClient.php
@@ -0,0 +1,5 @@
+<?php 
+
+// I am the gaasd client.. i know all, i see all... I am the "only" way to interact with the gaasd server.
+
+?>
\ No newline at end of file
diff --git a/gaas/lib/gaasdLib.php b/gaas/lib/gaasdLib.php
new file mode 100644
index 0000000..5cfe52f
--- /dev/null
+++ b/gaas/lib/gaasdLib.php
@@ -0,0 +1,152 @@
+<?php 
+
+// first include the ga4php.php file itself
+$BASE_DIR = realpath(dirname(__FILE__)."/../../");
+global $BASE_DIR;
+
+// messy
+require_once(dirname(__FILE__)."/../../lib/ga4php.php");
+
+
+
+// first we check if our db exists, if not, we're not inited
+$initState = false;
+$backEnd = "";
+global $initState, $backEnd;
+if(file_exists($BASE_DIR."/gaas/gaasd/gaasd.sqlite")) {
+	// then we check if the config vars we need exist in the db
+	$backEndType = confGetVar("backend");
+	
+	if($backEndType == "AD") {
+		$backEnd = "AD";
+		
+		// TODO: we should now check all vars are set, but for now this will surfice
+		$initState = true;
+	}
+
+	if($backEndType == "internal") {
+		$backEnd = "IN";
+		$initState = true;
+	}
+}
+
+// have a gloval db handle so we dont have to keep opening the db all the time
+// this may go away when we consider the implications for a parallel gaasd
+$DB_HANDLE = false;
+global $DB_HANDLE;
+
+
+// a function to create our db
+// TODO: error checking
+function createDB()
+{
+	$dbobject = false;
+	global $BASE_DIR, $initState, $backEnd;
+	try {
+		$dbobject = new PDO("sqlite:$BASE_DIR/gaas/gaasd/gaasd.sqlite");
+	} catch(PDOException $exep) {
+		error_log("execpt on db open");
+		return false;
+	}
+	
+	if($backEnd == "IN") {
+		$sql = 'CREATE TABLE "users" ("users_id" INTEGER PRIMARY KEY AUTOINCREMENT,"users_username" TEXT, "users_realname" TEXT, "users_password" TEXT, "users_tokendata" TEXT, "users_otk" TEXT);';
+		$dbobject->query($sql);
+	}
+	
+	$sql = 'CREATE TABLE "config" ("conf_id" INTEGER PRIMARY KEY AUTOINCREMENT,"conf_name" TEXT, "conf_value" TEXT);';
+	$dbobject->query($sql);
+	$sql = 'CREATE TABLE "radclients" ("rad_id" INTEGER PRIMARY KEY AUTOINCREMENT,"rad_name" TEXT, "rad_ip" TEXT, "rad_secret" TEXT, "rad_desc" TEXT);';
+	$dbobject->query($sql);
+	$sql = 'CREATE TABLE "hardwaretokens" ("tok_id" INTEGER PRIMARY KEY AUTOINCREMENT,"tok_name" TEXT, "tok_key" TEXT, "tok_type" TEXT);';
+	$dbobject->query($sql);
+	
+	return true;
+}
+
+// a function to get the database
+function getDB()
+{
+	$dbobject = false;
+	global $BASE_DIR, $DB_HANDLE;
+	if($DB_HANDLE != false) return $DB_HANDLE;
+	if(file_exists("$BASE_DIR/gaas/gaasd/gaasd.sqlite")) {
+		try {
+			$dbobject = new PDO("sqlite:$BASE_DIR/gaas/gaasd/gaasd.sqlite");
+		} catch(PDOException $exep) {
+			error_log("execpt on db open");
+			return false;
+		}
+	} else {
+		return false;
+	}
+	
+	$DB_HANDLE = $dbobject;
+	return $dbobject;
+}
+
+
+function confDelVar($varname)
+{
+	$db = getDB();
+	
+	$sql = "delete from config where conf_name='$varname'";
+	$db->query($sql);
+	
+	return true;
+}
+
+// a funciton to deal with Config Vars
+function confGetVar($varname)
+{
+	$db = getDB();
+	
+	$sql = "select conf_value from config where conf_name='$varname'";
+	
+	$result = $db->query($sql);
+	
+	if(!$result) return false;
+	
+	$val = "";
+	foreach($result as $row) {
+		$val = $row["conf_value"];
+	}
+
+	// TOTALLY GUNNA WORK!
+	return $val;
+}
+
+// and a function to put vars
+function confPutVar($varname, $value)
+{
+	$db = getDB();
+	
+	$sql = "delete from config where conf_name='$varname'";
+	$db->query($sql);
+	
+	$sql = "insert into config values (NULL, '$varname','$value')";
+	$db->query($sql);
+	
+	// TODO: do all this better
+	return true;
+}
+
+// now we define our extended class
+class gaasGA extends GoogleAuthenticator
+{
+	
+	function getData($username)
+	{
+	}
+	
+	
+	function putData($username, $data)
+	{
+	}
+	
+	
+	function getUsers()
+	{
+	}
+}
+?>
\ No newline at end of file
diff --git a/gaas/lib/htmlLib.php b/gaas/lib/htmlLib.php
new file mode 100644
index 0000000..7b75e9a
--- /dev/null
+++ b/gaas/lib/htmlLib.php
@@ -0,0 +1,5 @@
+<?php
+
+require_once("gaasdClient.php");
+
+?>
\ No newline at end of file
diff --git a/unittests/gaasdlibconf.php b/unittests/gaasdlibconf.php
new file mode 100644
index 0000000..a86cc0b
--- /dev/null
+++ b/unittests/gaasdlibconf.php
@@ -0,0 +1,30 @@
+<?php
+
+require_once("../gaas/lib/gaasdLib.php");
+
+$backEnd = "IN";
+createDB();
+
+function grs()
+{
+	$str = "";
+	$strpos = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+	
+	for($i=0; $i<10; $i++) {
+		$str .= $strpos[rand(0, strlen($strpos)-1)];
+	}
+	
+	return $str;
+}
+
+for($i = 0; $i < 20; $i++) {
+	$grs = grs();
+	confPutVar("val$i", $grs);
+	echo "set $i to $grs\n";
+}
+
+for($i = 0; $i < 20; $i++) {
+	$value = confGetVar("val$i");
+	echo "Value for $i is $value\n";
+}
+?>
\ No newline at end of file
-- 
1.7.0.4