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Check exact error codes in linux-sandbox.sh

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This commit is contained in:
Guillaume Maudoux 2023-05-22 23:39:31 +02:00
parent 494a09c6df
commit b9c2f834ee
2 changed files with 34 additions and 29 deletions
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45
tests/linux-sandbox-cert-test.nix
View file

@ -1,29 +1,30 @@
{ fixed-output }:
{ mode }:
with import ./config.nix;
mkDerivation ({
name = "ssl-export";
buildCommand = ''
# Add some indirection, otherwise grepping into the debug output finds the string.
report () { echo CERT_$1_IN_SANDBOX; }
mkDerivation (
{
name = "ssl-export";
buildCommand = ''
# Add some indirection, otherwise grepping into the debug output finds the string.
report () { echo CERT_$1_IN_SANDBOX; }
if [ -f /etc/ssl/certs/ca-certificates.crt ]; then
content=$(</etc/ssl/certs/ca-certificates.crt)
if [ "$content" == CERT_CONTENT ]; then
report present
if [ -f /etc/ssl/certs/ca-certificates.crt ]; then
content=$(</etc/ssl/certs/ca-certificates.crt)
if [ "$content" == CERT_CONTENT ]; then
report present
fi
else
report missing
fi
else
report missing
fi
# Always fail, because we do not want to bother with fixed-output
# derivations being cached, and do not want to compute the right hash.
false;
'';
} // (
if fixed-output == "fixed-output"
then { outputHash = "sha256:0000000000000000000000000000000000000000000000000000000000000000"; }
else { }
))
# Always fail, because we do not want to bother with fixed-output
# derivations being cached, and do not want to compute the right hash.
false;
'';
} // {
fixed-output = { outputHash = "sha256:0000000000000000000000000000000000000000000000000000000000000000"; };
normal = { };
}.${mode}
)

18
tests/linux-sandbox.sh
View file

@ -34,19 +34,23 @@ nix-build dependencies.nix --no-out-link --check --sandbox-paths /nix/store
# Test that sandboxed builds with --check and -K can move .check directory to store
nix-build check.nix -A nondeterministic --sandbox-paths /nix/store --no-out-link
(! nix-build check.nix -A nondeterministic --sandbox-paths /nix/store --no-out-link --check -K 2> $TEST_ROOT/log)
if grepQuiet 'error: renaming' $TEST_ROOT/log; then false; fi
grepQuiet 'may not be deterministic' $TEST_ROOT/log
expectStderr 104 nix-build check.nix -A nondeterministic --sandbox-paths /nix/store --no-out-link --check -K \
| tee >( grepQuietInverse 'error: renaming' ) \
| grepQuiet 'may not be deterministic'
# Test that sandboxed builds cannot write to /etc easily
(! nix-build -E 'with import ./config.nix; mkDerivation { name = "etc-write"; buildCommand = "echo > /etc/test"; }' --no-out-link --sandbox-paths /nix/store)
expect 100 nix-build -E 'with import ./config.nix; mkDerivation { name = "etc-write"; buildCommand = "echo > /etc/test"; }' --no-out-link --sandbox-paths /nix/store
## Test mounting of SSL certificates into the sandbox
testCert () {
(! nix-build linux-sandbox-cert-test.nix --argstr fixed-output "$2" --no-out-link --sandbox-paths /nix/store --option ssl-cert-file "$3" 2> $TEST_ROOT/log)
cat $TEST_ROOT/log
grepQuiet "CERT_${1}_IN_SANDBOX" $TEST_ROOT/log
expectation=$1 # "missing" | "present"
mode=$2 # "normal" | "fixed-output"
certFile=$3 # a string that can be the path to a cert file
[ "$mode" == fixed-output ] && ret=1 || ret=100
expectStderr $ret nix-build linux-sandbox-cert-test.nix --argstr mode "$mode" --no-out-link --sandbox-paths /nix/store --option ssl-cert-file "$certFile" | \
# tee /dev/stderr | \
grepQuiet "CERT_${expectation}_IN_SANDBOX"
}
nocert=$TEST_ROOT/no-cert-file.pem