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authorRoeland Jago Douma <rullzer@users.noreply.github.com>2019-02-12 09:46:21 +0100
committerGitHub <noreply@github.com>2019-02-12 09:46:21 +0100
commit0ff8c309d331e0881bdaad24e20495ff40f02f4c (patch)
tree4e08bc1bb0c7cd59b0031e501f71087da2884f7b
parent7192688c98a1b5715bc9af43f8197e9cf31e25db (diff)
parentcb0b6cedd1a19f205134bf2b84698cd74e9f7428 (diff)
downloadnextcloud-server-0ff8c309d331e0881bdaad24e20495ff40f02f4c.tar.gz
nextcloud-server-0ff8c309d331e0881bdaad24e20495ff40f02f4c.zip
Merge pull request #14152 from nextcloud/backport/14149/stable14
[stable14] Fix the thorrtler whitelist bitmask
-rw-r--r--lib/private/Security/Bruteforce/Throttler.php6
-rw-r--r--tests/lib/Security/Bruteforce/ThrottlerTest.php29
2 files changed, 33 insertions, 2 deletions
diff --git a/lib/private/Security/Bruteforce/Throttler.php b/lib/private/Security/Bruteforce/Throttler.php
index 3282121d967..ec56b4f7ee2 100644
--- a/lib/private/Security/Bruteforce/Throttler.php
+++ b/lib/private/Security/Bruteforce/Throttler.php
@@ -177,8 +177,10 @@ class Throttler {
$part = ord($addr[(int)($i/8)]);
$orig = ord($ip[(int)($i/8)]);
- $part = $part & (15 << (1 - ($i % 2)));
- $orig = $orig & (15 << (1 - ($i % 2)));
+ $bitmask = 1 << (7 - ($i % 8));
+
+ $part = $part & $bitmask;
+ $orig = $orig & $bitmask;
if ($part !== $orig) {
$valid = false;
diff --git a/tests/lib/Security/Bruteforce/ThrottlerTest.php b/tests/lib/Security/Bruteforce/ThrottlerTest.php
index dac12a00dcd..da386db9d2d 100644
--- a/tests/lib/Security/Bruteforce/ThrottlerTest.php
+++ b/tests/lib/Security/Bruteforce/ThrottlerTest.php
@@ -101,6 +101,27 @@ class ThrottlerTest extends TestCase {
true,
],
[
+ '10.10.10.10',
+ [
+ 'whitelist_0' => '10.10.10.11/31',
+ ],
+ true,
+ ],
+ [
+ '10.10.10.10',
+ [
+ 'whitelist_0' => '10.10.10.9/31',
+ ],
+ false,
+ ],
+ [
+ '10.10.10.10',
+ [
+ 'whitelist_0' => '10.10.10.15/29',
+ ],
+ true,
+ ],
+ [
'dead:beef:cafe::1',
[
'whitelist_0' => '192.168.0.0/16',
@@ -128,6 +149,14 @@ class ThrottlerTest extends TestCase {
true,
],
[
+ 'dead:beef:cafe::1111',
+ [
+ 'whitelist_0' => 'dead:beef:cafe::1100/123',
+
+ ],
+ true,
+ ],
+ [
'invalid',
[],
false,