source common.sh clearStore clearCache nix-store --generate-binary-cache-key cache1.example.org $TEST_ROOT/sk1 $TEST_ROOT/pk1 pk1=$(cat $TEST_ROOT/pk1) nix-store --generate-binary-cache-key cache2.example.org $TEST_ROOT/sk2 $TEST_ROOT/pk2 pk2=$(cat $TEST_ROOT/pk2) # Build a path. outPath=$(nix-build dependencies.nix --no-out-link --secret-key-files "$TEST_ROOT/sk1 $TEST_ROOT/sk2") # Verify that the path got signed. info=$(nix path-info --json $outPath) [[ $info =~ '"ultimate":true' ]] [[ $info =~ 'cache1.example.org' ]] [[ $info =~ 'cache2.example.org' ]] # Test "nix store verify". nix store verify -r $outPath expect 2 nix store verify -r $outPath --sigs-needed 1 nix store verify -r $outPath --sigs-needed 1 --trusted-public-keys $pk1 expect 2 nix store verify -r $outPath --sigs-needed 2 --trusted-public-keys $pk1 nix store verify -r $outPath --sigs-needed 2 --trusted-public-keys "$pk1 $pk2" nix store verify --all --sigs-needed 2 --trusted-public-keys "$pk1 $pk2" # Build something unsigned. outPath2=$(nix-build simple.nix --no-out-link) nix store verify -r $outPath # Verify that the path did not get signed but does have the ultimate bit. info=$(nix path-info --json $outPath2) [[ $info =~ '"ultimate":true' ]] (! [[ $info =~ 'signatures' ]]) # Test "nix store verify". nix store verify -r $outPath2 expect 2 nix store verify -r $outPath2 --sigs-needed 1 expect 2 nix store verify -r $outPath2 --sigs-needed 1 --trusted-public-keys $pk1 # Test "nix store sign". nix store sign --key-file $TEST_ROOT/sk1 $outPath2 nix store verify -r $outPath2 --sigs-needed 1 --trusted-public-keys $pk1 # Build something content-addressed. outPathCA=$(IMPURE_VAR1=foo IMPURE_VAR2=bar nix-build ./fixed.nix -A good.0 --no-out-link) [[ $(nix path-info --json $outPathCA) =~ '"ca":"fixed:md5:' ]] # Content-addressed paths don't need signatures, so they verify # regardless of --sigs-needed. nix store verify $outPathCA nix store verify $outPathCA --sigs-needed 1000 # Check that signing a content-addressed path doesn't overflow validSigs nix store sign --key-file $TEST_ROOT/sk1 $outPathCA nix store verify -r $outPathCA --sigs-needed 1000 --trusted-public-keys $pk1 # Copy to a binary cache. nix copy --to file://$cacheDir $outPath2 # Verify that signatures got copied. info=$(nix path-info --store file://$cacheDir --json $outPath2) (! [[ $info =~ '"ultimate":true' ]]) [[ $info =~ 'cache1.example.org' ]] (! [[ $info =~ 'cache2.example.org' ]]) # Verify that adding a signature to a path in a binary cache works. nix store sign --store file://$cacheDir --key-file $TEST_ROOT/sk2 $outPath2 info=$(nix path-info --store file://$cacheDir --json $outPath2) [[ $info =~ 'cache1.example.org' ]] [[ $info =~ 'cache2.example.org' ]] # Copying to a diverted store should fail due to a lack of signatures by trusted keys. chmod -R u+w $TEST_ROOT/store0 || true rm -rf $TEST_ROOT/store0 # Fails or very flaky only on GHA + macOS: # expectStderr 1 nix copy --to $TEST_ROOT/store0 $outPath | grepQuiet -E 'cannot add path .* because it lacks a signature by a trusted key' # but this works: (! nix copy --to $TEST_ROOT/store0 $outPath) # But succeed if we supply the public keys. nix copy --to $TEST_ROOT/store0 $outPath --trusted-public-keys $pk1 expect 2 nix store verify --store $TEST_ROOT/store0 -r $outPath nix store verify --store $TEST_ROOT/store0 -r $outPath --trusted-public-keys $pk1 nix store verify --store $TEST_ROOT/store0 -r $outPath --sigs-needed 2 --trusted-public-keys "$pk1 $pk2" # It should also succeed if we disable signature checking. (! nix copy --to $TEST_ROOT/store0 $outPath2) nix copy --to $TEST_ROOT/store0?require-sigs=false $outPath2 # But signatures should still get copied. nix store verify --store $TEST_ROOT/store0 -r $outPath2 --trusted-public-keys $pk1 # Content-addressed stuff can be copied without signatures. nix copy --to $TEST_ROOT/store0 $outPathCA