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fix(database): tighten Postgres init script filename handling

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Validate new init-script filenames against path traversal and shell
metacharacters via a new validateFilenameSafe() helper, and harden the
write/delete paths with basename() + escapeshellarg() so legacy rows
still deploy and can be cleaned up without regressions.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Andras BacsaiandClaude Opus 4.7 committed 2026-04-20 21:26:34 +02:00
1 parent b1a78df58e
commit a05d4e3a4b
5 files changed
+297 -10
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app/Actions/Database/StartPostgresql.php
+11 -2
View File
@@ -301,9 +301,18 @@ class StartPostgresql
foreach ($this->database->init_scripts as $init_script) {
$filename = data_get($init_script, 'filename');
$content = data_get($init_script, 'content');
// Normalise filename without rejecting legacy values so previously created
// init scripts keep deploying. basename() strips any directory components
// (path traversal) and escapeshellarg() contains every shell metacharacter
// in the tee target. Livewire / API validate new filenames up front.
$filename = basename((string) $filename);
$target_path = "$this->configuration_dir/docker-entrypoint-initdb.d/{$filename}";
$escaped_target = escapeshellarg($target_path);
$content_base64 = base64_encode($content);
$this->commands[] = "echo '{$content_base64}' | base64 -d | tee $this->configuration_dir/docker-entrypoint-initdb.d/{$filename} > /dev/null";
$this->init_scripts[] = "$this->configuration_dir/docker-entrypoint-initdb.d/{$filename}";
$this->commands[] = "echo '{$content_base64}' | base64 -d | tee {$escaped_target} > /dev/null";
$this->init_scripts[] = $target_path;
}
}