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AllowListSourceAccessor: Make thread-safe

This commit is contained in:
Eelco Dolstra 2025-07-15 19:44:13 +02:00
parent e8314e69ab
commit 3dc1b99be5

View file

@ -1,4 +1,5 @@
#include "nix/fetchers/filtering-source-accessor.hh"
#include "nix/util/sync.hh"
namespace nix {
@ -57,8 +58,8 @@ void FilteringSourceAccessor::checkAccess(const CanonPath & path)
struct AllowListSourceAccessorImpl : AllowListSourceAccessor
{
std::set<CanonPath> allowedPrefixes;
std::unordered_set<CanonPath> allowedPaths;
SharedSync<std::set<CanonPath>> allowedPrefixes;
SharedSync<std::unordered_set<CanonPath>> allowedPaths;
AllowListSourceAccessorImpl(
ref<SourceAccessor> next,
@ -73,13 +74,13 @@ struct AllowListSourceAccessorImpl : AllowListSourceAccessor
bool isAllowed(const CanonPath & path) override
{
return
allowedPaths.contains(path)
|| path.isAllowed(allowedPrefixes);
allowedPaths.readLock()->contains(path)
|| path.isAllowed(*allowedPrefixes.readLock());
}
void allowPrefix(CanonPath prefix) override
{
allowedPrefixes.insert(std::move(prefix));
allowedPrefixes.lock()->insert(std::move(prefix));
}
};