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authorJoey Hess2016-07-24 20:48:48 -0400
committerJoey Hess2016-07-24 20:48:48 -0400
commitaf73f097e430042f3355a93d23cf644d4895de7f (patch)
treee24169856c2cfac4f1393c08587ece2cf7b3aa13 /src/Propellor
parent7459552e1bd22f25d110aa5d780bc589daf7067d (diff)
parentfc51183e97b0022c109e39e64553535f8ef93152 (diff)
Merge remote-tracking branch 'spwhitton/robust-rngd'
Diffstat (limited to 'src/Propellor')
-rw-r--r--src/Propellor/Property/Sbuild.hs17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/Propellor/Property/Sbuild.hs b/src/Propellor/Property/Sbuild.hs
index 5d58a84a..d128e3b9 100644
--- a/src/Propellor/Property/Sbuild.hs
+++ b/src/Propellor/Property/Sbuild.hs
@@ -365,8 +365,23 @@ keypairInsecurelyGenerated = check (not <$> doesFileExist secKeyFile) go
go :: Property DebianLike
go = combineProperties "sbuild keyring insecurely generated" $ props
& Apt.installed ["rng-tools"]
- & cmdProperty "rngd" ["-r", "/dev/urandom"] `assume` MadeChange
+ -- If this dir does not exist the sbuild key generation command
+ -- will fail; the user might have deleted it to work around
+ -- #831462
+ & File.dirExists "/var/lib/sbuild/apt-keys"
+ -- If there is already an rngd process running we have to kill
+ -- it, as it might not be feeding to /dev/urandom
+ & userScriptProperty (User "root")
+ [ "kill 2>/dev/null $(cat /var/run/rngd.pid) || true"
+ , "sleep 10"
+ , "rngd -r /dev/urandom"
+ ]
+ `assume` MadeChange
& keypairGenerated
+ -- Kill off the rngd process we spawned
+ & userScriptProperty (User "root")
+ ["kill $(cat /var/run/rngd.pid)"]
+ `assume` MadeChange
-- another script from wiki.d.o/sbuild
ccachePrepared :: Property DebianLike