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fix(updates): validate ruleset file size and prevent 0-byte corruptions

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This commit is contained in:
Dushnilin
2026-08-08 20:21:16 +03:00
parent d6860d8a15
commit b9317a553b
1 changed files with 4 additions and 2 deletions
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tachyon/files/usr/lib/components/updates.uc
+4 -2
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@@ -2194,18 +2194,20 @@ function import_community_srs_file(service, settings) {
return false;
let ok = true;
if (download_to_file(url, tmpfile, service_proxy_address(settings, "lists")) && file_nonempty(tmpfile)) {
if (download_to_file(url, tmpfile, service_proxy_address(settings, "lists")) && file_nonempty(tmpfile) && helpers.file_is_usable(tmpfile, 100)) {
ensure_dir(TMP_RULESET_FOLDER);
copy_file(tmpfile, cached_file);
ensure_dir("/etc/tachyon/rulesets");
copy_file(tmpfile, persistent_file);
log_message("Successfully cached preset ruleset " + service, "info");
}
else if (file_exists_value(persistent_file)) {
else if (helpers.file_is_usable(persistent_file, 100)) {
ensure_dir(TMP_RULESET_FOLDER);
copy_file(persistent_file, cached_file);
}
else {
remove_file(persistent_file);
remove_file(cached_file);
log_message("Failed to download preset ruleset " + service + "; skipping it until next update", "warn");
ok = false;
}