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| author | Côme Chilliet <come.chilliet@nextcloud.com> | 2022-06-27 16:48:58 +0200 |
|---|---|---|
| committer | backportbot-nextcloud[bot] <backportbot-nextcloud[bot]@users.noreply.github.com> | 2022-07-26 09:45:27 +0000 |
| commit | 342934e9c230060ef8e9712bcb27b5047f9e3d62 (patch) | |
| tree | 9176914c47440dd1c9e56dd86a3f477e210e0aec | |
| parent | 339dfb871263106e68c5c077336d57d066e18087 (diff) | |
| download | nextcloud-server-342934e9c230060ef8e9712bcb27b5047f9e3d62.tar.gz nextcloud-server-342934e9c230060ef8e9712bcb27b5047f9e3d62.zip | |
Improve local IP detection
Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>
| -rw-r--r-- | lib/private/Http/Client/LocalAddressChecker.php | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/private/Http/Client/LocalAddressChecker.php b/lib/private/Http/Client/LocalAddressChecker.php index 4d5407d6641..cc916349ebd 100644 --- a/lib/private/Http/Client/LocalAddressChecker.php +++ b/lib/private/Http/Client/LocalAddressChecker.php @@ -42,6 +42,12 @@ class LocalAddressChecker { throw new LocalServerException('Host violates local access rules'); } + $localIps = ['100.100.100.200']; + if ((bool)filter_var($ip, FILTER_VALIDATE_IP) && in_array($ip, $localIps)) { + $this->logger->warning("Host $ip was not connected to because it violates local access rules"); + throw new LocalServerException('Host violates local access rules'); + } + // Also check for IPv6 IPv4 nesting, because that's not covered by filter_var if ((bool)filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) && substr_count($ip, '.') > 0) { $delimiter = strrpos($ip, ':'); // Get last colon |