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-rw-r--r--lib/private/Config.php7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/private/Config.php b/lib/private/Config.php
index ba3b8c6fe4d..7308a3769df 100644
--- a/lib/private/Config.php
+++ b/lib/private/Config.php
@@ -285,6 +285,13 @@ class Config {
'This can usually be fixed by giving the webserver write access to the config directory.');
}
+ // Never write file back if disk space should be too low
+ $df = disk_free_space($this->configDir);
+ $size = strlen($content) + 10240;
+ if ($df !== false && (int)$df < $size) {
+ throw new \Exception($this->configDir . " does not have enough space for writing the config file! Not writing it back!");
+ }
+
// Try to acquire a file lock
if (!flock($filePointer, LOCK_EX)) {
throw new \Exception(sprintf('Could not acquire an exclusive lock on the config file %s', $this->configFilePath));