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authorRoy Marples <roy@marples.name>2009-04-27 07:51:18 +0000
committerRoy Marples <roy@marples.name>2009-04-27 07:51:18 +0000
commite70a1429564a8fce5036c351b010a47dbb6c28b7 (patch)
treea1fc0f75a53041771bc9054fdab517ac32b3d79a /init.d/urandom.in
parenteaa32c75c9bba7af0ec842d82f56a6862bbc83db (diff)
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Diffstat (limited to 'init.d/urandom.in')
-rw-r--r--init.d/urandom.in13
1 files changed, 6 insertions, 7 deletions
diff --git a/init.d/urandom.in b/init.d/urandom.in
index 904607a..085332c 100644
--- a/init.d/urandom.in
+++ b/init.d/urandom.in
@@ -1,9 +1,8 @@
#!@PREFIX@/sbin/runscript
-# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# Copyright 2007-2009 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
-urandom_seed=${urandom_seed:-${URANDOM_SEED:-/var/run/random-seed}}
-
+: ${urandom_seed:=${URANDOM_SEED:-/var/run/random-seed}}
description="Initializes the random number generator."
depend()
@@ -22,19 +21,19 @@ save_seed()
( # sub shell to prevent umask pollution
umask 077
- dd if=/dev/urandom of="${urandom_seed}" count=${psz} 2>/dev/null
+ dd if=/dev/urandom of="$urandom_seed" count=${psz} 2>/dev/null
)
}
start()
{
[ -c /dev/urandom ] || return
- if [ -f "${urandom_seed}" ]; then
+ if [ -f "$urandom_seed" ]; then
ebegin "Initializing random number generator"
- cat "${urandom_seed}" > /dev/urandom
+ cat "$urandom_seed" > /dev/urandom
eend $? "Error initializing random number generator"
fi
- rm -f "${urandom_seed}" && save_seed
+ rm -f "$urandom_seed" && save_seed
return 0
}