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[stable24] add a disk_free_space check before writing config #36730

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Merged
szaimen merged 3 commits into from
Feb 24, 2023
Merged

[stable24] add a disk_free_space check before writing config #36730

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a87f45a
add a disk_free_space check before writing config
szaimen Feb 13, 2023
b3fb30b
address review by Joas
szaimen Feb 15, 2023
b3a64a9
fix it for 32-bit
szaimen Feb 20, 2023
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address review by Joas 
Signed-off-by: Simon L <[email protected]>
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@szaimen @backportbot-nextcloud
szaimen authored and backportbot-nextcloud[bot] committed Feb 15, 2023
commit b3fb30b8b0ebf42996a3a5e4b2a0e22e85614c38
5 changes: 3 additions & 2 deletions lib/private/Config.php
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Expand Up @@ -277,9 +277,10 @@ private function writeData() {
'This can usually be fixed by giving the webserver write access to the config directory.');
}

// Never write file back if disk space should be low (less than 100 KiB)
// Never write file back if disk space should be too low
$df = disk_free_space($this->configDir);
if ($df !== false && (int)$df < 102400) {
$size = strlen($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!");
}

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