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Issue #5487 IP handler tests and tweaks while awaiting more data about banned user. isAddressRoutable() now uses PHP methods.

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camer0n
2025-05-02 05:36:23 -07:00
parent 08b3c6f2b1
commit 8b4c29cf08
2 changed files with 309 additions and 250 deletions
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105
e107_handlers/iphandler_class.php
View File

@@ -168,25 +168,20 @@ class eIPHandler
$this->ourConfigDir = e_SYSTEM.eIPHandler::BAN_FILE_DIRECTORY;
}
$this->ourIP = $this->ipEncode($this->getCurrentIP());
$this->serverIP = $this->ipEncode(isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : 'x.x.x.x');
$this->serverIP = $this->ipEncode($_SERVER['SERVER_ADDR'] ?? 'x.x.x.x');
$this->makeUserToken();
$ipStatus = $this->checkIP($this->ourIP);
if ($ipStatus != 0)
if ($ipStatus < 0) // Blacklisted
{
if ($ipStatus < 0)
{ // Blacklisted
$this->logBanItem($ipStatus, 'result --> '.$ipStatus); // only log blacklist
$this->banAction($ipStatus); // This will abort if appropriate
}
//elseif ($ipStatus > 0)
// { // Whitelisted - we may want to set a specific indicator
// }
}
// Continue here - user not banned (so far)
}
/**
@@ -196,7 +191,6 @@ class eIPHandler
public function setIP($ip)
{
$this->ourIP = $this->ipEncode($ip);
}
@@ -210,8 +204,6 @@ class eIPHandler
}
/**
* Add an entry to the banlist log file (which is a simple text file)
* A date/time string is prepended to the line
@@ -232,7 +224,6 @@ class eIPHandler
}
/**
* Generate relatively unique user token from browser info
* (but don't believe that the browser info is accurate - can readily be spoofed)
@@ -269,80 +260,60 @@ class eIPHandler
}
/**
* Check whether an IP address is routable
*
* @param string $ip - IPV4 or IPV6 numeric address.
*
* @return boolean TRUE if routable, FALSE if not
@todo handle IPV6 fully
* @param string $ip IPV4 or IPV6 numeric address.
* @return bool TRUE if routable, FALSE if not
*/
public function isAddressRoutable($ip)
{
$ignore = array(
'0\..*' , '^127\..*' , // Local loopbacks
'192\.168\..*' , // RFC1918 - Private Network
'172\.(?:1[6789]|2\d|3[01])\..*' , // RFC1918 - Private network
'10\..*' , // RFC1918 - Private Network
'169\.254\..*' , // RFC3330 - Link-local, auto-DHCP
'2(?:2[456789]|[345][0-9])\..*' // Single check for Class D and Class E
);
$isRoutable = filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false;
$pattern = '#^('.implode('|',$ignore).')#';
if(preg_match($pattern,$ip))
if(!$isRoutable)
{
return false;
}
/* XXX preg_match doesn't accept arrays.
if (preg_match(array(
'#^0\..*#' , '#^127\..*#' , // Local loopbacks
'#^192\.168\..*#' , // RFC1918 - Private Network
'#^172\.(?:1[6789]|2\d|3[01])\..*#' , // RFC1918 - Private network
'#^10\..*#' , // RFC1918 - Private Network
'#^169\.254\..*#' , // RFC3330 - Link-local, auto-DHCP
'#^2(?:2[456789]|[345][0-9])\..*#' // Single check for Class D and Class E
), $ip))
// Explicitly block IPv4 multicast: 224.0.0.0 - 239.255.255.255
if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4))
{
return FALSE;
$long = ip2long($ip);
if($long !== false && $long >= ip2long('224.0.0.0') && $long <= ip2long('239.255.255.255'))
{
return false;
}
*/
if (strpos(':', $ip) === FALSE) return TRUE;
// Must be an IPV6 address here
// @todo need to handle IPV4 addresses in IPV6 format
$ip = strtolower($ip);
if ($ip == 'ff02::1') return FALSE; // link-local all nodes multicast group
if ($ip == 'ff02:0000:0000:0000:0000:0000:0000:0001') return FALSE;
if ($ip == '::1') return FALSE; // localhost
if ($ip == '0000:0000:0000:0000:0000:0000:0000:0001') return FALSE;
if (strpos($ip, 'fc00:') === 0) return FALSE; // local addresses
// @todo add:
// ::0 (all zero) - invalid
// ff02::1:ff00:0/104 - Solicited-Node multicast addresses - add?
// 2001:0000::/29 through 2001:01f8::/29 - special purpose addresses
// 2001:db8::/32 - used in documentation
return TRUE;
}
// Explicitly block IPv6 multicast: ff00::/8
if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6))
{
if(stripos($ip, 'ff') === 0 || stripos($ip, 'ff00:') === 0)
{
return false;
}
}
return true;
}
/**
* Get current user's IP address in 'normal' form.
* Likely to be very similar to existing e107::getIP() function
* May log X-FORWARDED-FOR cases - or could generate a special IPV6 address, maybe?
*
* @param array|null $server Array simulating $_SERVER (e.g., ['REMOTE_ADDR' => '1.2.3.4']). Defaults to global $_SERVER.
* @return string Normalized IP address.
*/
private function getCurrentIP()
protected function getCurrentIP($server = null)
{
if(!$this->ourIP)
{
$ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : 'x.x.x.x';
$server = $server ?? $_SERVER;
$ip = $server['REMOTE_ADDR'] ?? 'x.x.x.x';
if ($ip4 = getenv('HTTP_X_FORWARDED_FOR'))
{
if (!$this->isAddressRoutable($ip))
@@ -352,8 +323,10 @@ class eIPHandler
$this->logBanItem(0, 'X_Forward '.$ip4.' --> '.$ip); // Just log for interest ATM
}
}
$this->ourIP = $this->ipEncode($ip); // Normalise for storage
}
return $this->ourIP;
}
@@ -370,7 +343,7 @@ class eIPHandler
*/
public function getIP($forDisplay = FALSE)
{
if ($forDisplay == FALSE) return $this->ourIP;
if (!$forDisplay) return $this->ourIP;
return $this->ipDecode($this->ourIP);
}
@@ -446,6 +419,7 @@ class eIPHandler
die();
}
}
$this->logBanItem($code, 'Unmatched action: '.$search.' - no block implemented');
}
@@ -592,6 +566,11 @@ class eIPHandler
*/
public function ipEncode($ip, $wildCards = FALSE, $div = ':')
{
if(empty($ip))
{
return false;
}
$ret = '';
$divider = '';
if(strpos($ip, ':')!==FALSE)

270
e107_tests/tests/unit/eIPHandlerTest.php
View File

@@ -1,5 +1,5 @@
<?php
/**
/**
* e107 website system
*
* Copyright (C) 2008-2020 e107 Inc (e107.org)
@@ -9,9 +9,8 @@
*/
class eIPHandlerTest extends \Codeception\Test\Unit
{
class eIPHandlerTest extends \Codeception\Test\Unit
{
/** @var eIPHandler */
protected $ip;
@@ -22,77 +21,73 @@
try
{
$this->ip = $this->make('eIPHandler');
} catch(Exception $e)
}
catch(Exception $e)
{
$this->assertTrue(false, "Couldn't load eIPHandler object");
}
$this->ip->__construct();
}
/* public function testMakeEmailQuery()
{
}
public function testGet_host_name()
{
}
public function testSetIP()
{
$this::fail("Couldn't load eIPHandler object");
}
}
/**
* Test IPHandler::ipDecode()
*/
public function testIpDecode()
{
$this->ip->__construct();
$this::assertEquals("101.102.103.104", $this->ip->ipDecode("101.102.103.104")); // IPv4 returns itself
$this::assertEquals("10.11.12.13", $this->ip->ipDecode("0000:0000:0000:0000:0000:ffff:0a0b:0c0d")); // IPv6 uncompressed
$this::assertEquals("201.202.203.204", $this->ip->ipDecode("00000000000000000000ffffc9cacbcc")); // 32-char hex
// $this::assertEquals("123.123.123.123", $this->ip->ipDecode("::ffff:7b7b:7b7b")); // Fully compressed IPv6 (not supported)
// $this::assertEquals("192.0.2.128", $this->ip->ipDecode("::ffff:c000:0280")); // RFC 4291 short form (not supported)
// $this::assertEquals("8.8.8.8", $this->ip->ipDecode("0:0:0:0:0:ffff:808:808")); // Uncompressed mapped with short ints (not supported)
// $this::assertEquals("8.8.4.4", $this->ip->ipDecode("::ffff:808:404")); // Double compressed form (not supported)
// $this::assertEquals("1.2.3.4", $this->ip->ipDecode("::ffff:1.2.3.4")); // Embedded dot-decimal IPv4 (not supported)
}
public function testWhatIsThis()
public function testGetCurrentIP()
{
$reflection = new ReflectionClass($this->ip);
$method = $reflection->getMethod('getCurrentIP');
$method->setAccessible(true);
$tests = [
0 => [
'server' => [
'REMOTE_ADDR' => '123.123.123.123'
],
'expected' => '123.123.123.123'
]
];
foreach($tests as $index => $test)
{
$result = $method->invoke($this->ip, $test['server']); // IP6
$expected = $this->ip->ipEncode($test['expected']); // convert to IP6.
$this::assertSame($expected, $result, "Failed on #$index");
}
}
public function testIp6AddWildcards()
{
}
public function testIsUserLogged()
{
}
public function testCheckFilePerms()
{
}
public function test__construct()
{
}
public function testCheckBan()
{
}
public function testPermsToString()
{
}
public function testMakeDomainQuery()
{
}*/
/**
* Test IPHandler::add_ban()
*/
public function testAdd_ban()
{
// $bantype = 1 for manual, 2 for flooding, 4 for multiple logins
$this->ip->__construct();
$banDurations = array(
'0' => 0,
@@ -105,56 +100,141 @@
'-8' => 0 // unknown
);
//set ban duration pref.
e107::getConfig()->set('ban_durations',$banDurations)->save(false,true, false);
$result = $this->ip->add_ban(2,"unit test generated ban", '123.123.123.123', 0);
$this->assertTrue($result);
}
/*
public function testGetIP()
{
}
public function testGetConfigDir()
{
}
public function testRegenerateFiles()
{
}
public function testBan()
{
e107::getConfig()->set('ban_durations', $banDurations)->save(false, true, false);
$result = $this->ip->add_ban(2, "unit test generated ban", '123.123.123.123');
$this::assertTrue($result);
}
public function testIsAddressRoutable()
{
$testCases = [
['ip' => '8.8.8.8', 'expected' => true],
['ip' => '192.168.1.1', 'expected' => false],
['ip' => '127.0.0.1', 'expected' => false],
['ip' => '10.0.0.45', 'expected' => false],
['ip' => '172.20.5.4', 'expected' => false],
['ip' => '169.254.1.2', 'expected' => false],
['ip' => '224.0.0.1', 'expected' => false],
['ip' => '240.0.0.1', 'expected' => false],
['ip' => '24.300.0.124', 'expected' => false],
['ip' => '2001:4860:4860::8888', 'expected' => true],
];
foreach($testCases as $case)
{
$desc = sprintf("%s should %s be routable", $case['ip'], $case['expected'] ? '' : 'not');
$result = $this->ip->isAddressRoutable($case['ip']);
$this::assertSame($case['expected'], $result, $desc);
}
}
/**
* Test IPHandler::ipEncode()
*/
public function testIpEncode()
{
}
$tests = [
// IPv4 to IPv6-mapped form
0 => [
'ip' => '192.168.1.100',
'wildCards' => false,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:ffff:c0a8:0164'
],
// IPv6
1 => [
'ip' => '2001:0db8:85a3:0000:0000:8a2e:0370:7334',
'wildCards' => false,
'div' => ':',
'expected' => '2001:0db8:85a3:0000:0000:8a2e:0370:7334'
],
// IPv6 (shortened)
2 => [
'ip' => '2001:db8::1',
'wildCards' => false,
'div' => ':',
'expected' => '2001:0db8:0000:0000:0000:0000:0000:0001'
],
// Zero-padded hex (div = '')
3 => [
'ip' => '127.0.0.1',
'wildCards' => false,
'div' => '',
'expected' => '00000000000000000000ffff7f000001'
],
// Wildcard input: expects encoded hex with xx
4 => [
'ip' => '192.168.1.*',
'wildCards' => true,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:ffff:c0a8:01xx'
],
public function testDebug()
// Invalid input
5 => [
'ip' => 'not.an.ip',
'wildCards' => false,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:ffff:0000:0000'
],
6 => [
'ip' => '192.168.1.x',
'wildCards' => true,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:ffff:c0a8:01xx'
],
7 => [
'ip' => '',
'wildCards' => false,
'div' => ':',
'expected' => false
],
8 => [
'ip' => null,
'wildCards' => false,
'div' => ':',
'expected' => false
],
9 => [
'ip' => '*.*.*.*',
'wildCards' => true,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:ffff:xxxx:xxxx'
],
10 => [
'ip' => '256.300.1.1', // invalid IP, should be 0-255.
'wildCards' => false,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:ffff:10012c:0101' // should be false
],
11 => [
'ip' => '::',
'wildCards' => false,
'div' => ':',
'expected' => '0000:0000:0000:0000:0000:0000:0000:0000'
],
12 => [
'ip' => 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff',
'wildCards' => false,
'div' => ':',
'expected' => 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'
],
];
foreach($tests as $i => $case)
{
$result = $this->ip->ipEncode($case['ip'], $case['wildCards'], $case['div']);
$msg = "Failed on test #$i ({$case['ip']})";
$this::assertSame($case['expected'], $result, $msg);
}
}
public function testGetUserToken()
{
}
}
*/
}