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rng-tools: increase initialization robustness together with jitterentropy-3.4.1

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With jitterentropy 3.4.1 the initial timeout of rng-tools for the
initialization of jitterentropy seems to be too small in some cases.
Set a larger timeout for tests. Add comment how this timeout can be
set by users needing it.

Signed-off-by: Markus Theil <theil.markus@gmail.com>
This commit is contained in:
Markus Theil 2023-07-10 12:01:37 +02:00
parent 1547a6c4a8
commit a8efd663ed
1 changed files with 11 additions and 1 deletions
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12
pkgs/tools/security/rng-tools/default.nix
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@ -55,7 +55,17 @@ stdenv.mkDerivation rec {
];
doCheck = true;
preCheck = "patchShebangs tests/*.sh";
preCheck = ''
patchShebangs tests/*.sh
export RNGD_JITTER_TIMEOUT=10
'';
# After updating to jitterentropy 3.4.1 jitterentropy initialization seams
# to have increased. On some system rng-tools fail therefore to initialize the
# jitterentropy entropy source. You can increase the init timeout with a command-line
# option (-O jitter:timeout:SECONDS). The environment variable above only has effect
# for the test cases.
# Patching the timeout to a larger value was declined upstream,
# see (https://github.com/nhorman/rng-tools/pull/178).
nativeCheckInputs = [ psmisc ]; # rngtestjitter.sh needs killall
doInstallCheck = true;