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-rw-r--r--src/Propellor/Property/Sbuild.hs18
1 files changed, 17 insertions, 1 deletions
diff --git a/src/Propellor/Property/Sbuild.hs b/src/Propellor/Property/Sbuild.hs
index 2647e69e..bfa264a8 100644
--- a/src/Propellor/Property/Sbuild.hs
+++ b/src/Propellor/Property/Sbuild.hs
@@ -66,6 +66,7 @@ module Propellor.Property.Sbuild (
-- blockNetwork,
installed,
keypairGenerated,
+ keypairInsecurelyGenerated,
shareAptCache,
usableBy,
) where
@@ -320,7 +321,22 @@ keypairGenerated = check (not <$> doesFileExist secKeyFile) $ go
go = tightenTargets $
cmdProperty "sbuild-update" ["--keygen"]
`assume` MadeChange
- secKeyFile = "/var/lib/sbuild/apt-keys/sbuild-key.sec"
+
+secKeyFile :: FilePath
+secKeyFile = "/var/lib/sbuild/apt-keys/sbuild-key.sec"
+
+-- | Generate the apt keys needed by sbuild using a low-quality source of
+-- randomness
+--
+-- Useful on throwaway build VMs.
+keypairInsecurelyGenerated :: Property DebianLike
+keypairInsecurelyGenerated = check (not <$> doesFileExist secKeyFile) go
+ where
+ go :: Property DebianLike
+ go = combineProperties "sbuild keyring insecurely generated" $ props
+ & Apt.installed ["rng-tools"]
+ & cmdProperty "rngd" ["-r", "/dev/urandom"] `assume` MadeChange
+ & keypairGenerated
-- another script from wiki.d.o/sbuild
ccachePrepared :: Property DebianLike