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-rw-r--r--init.d/urandom.in39
1 files changed, 17 insertions, 22 deletions
diff --git a/init.d/urandom.in b/init.d/urandom.in
index cda431fd..8b7072c1 100644
--- a/init.d/urandom.in
+++ b/init.d/urandom.in
@@ -9,10 +9,7 @@
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
-export SEEDRNG_SEED_DIR="${seed_dir:-/var/lib/seedrng}"
-export SEEDRNG_LOCK_FILE="${lock_file:-/var/run/seedrng.lock}"
-export SEEDRNG_SKIP_CREDIT="${skip_credit:-false}"
-: ${urandom_seed:=${SEEDRNG_SEED_DIR}/../misc/random-seed}
+: ${urandom_seed:=${URANDOM_SEED:-/var/lib/misc/random-seed}}
description="Initializes the random number generator."
depend()
@@ -24,35 +21,33 @@ depend()
save_seed()
{
+ local psz=1
+
+ if [ -e /proc/sys/kernel/random/poolsize ]; then
+ : $(( psz = $(cat /proc/sys/kernel/random/poolsize) / 4096 ))
+ fi
+
( # sub shell to prevent umask pollution
umask 077
- dd if=/dev/urandom of="$urandom_seed" count=1 2>/dev/null
+ dd if=/dev/urandom of="$urandom_seed" count=${psz} 2>/dev/null
)
}
start()
{
- if [ "$RC_UNAME" = Linux ]; then
- seedrng
- else
- [ -c /dev/urandom ] || return
- if [ -f "$urandom_seed" ]; then
- ebegin "Initializing random number generator"
- cat "$urandom_seed" > /dev/urandom
- eend $? "Error initializing random number generator"
- fi
- rm -f "$urandom_seed" && save_seed
+ [ -c /dev/urandom ] || return
+ if [ -f "$urandom_seed" ]; then
+ ebegin "Initializing random number generator"
+ cat "$urandom_seed" > /dev/urandom
+ eend $? "Error initializing random number generator"
fi
+ rm -f "$urandom_seed" && save_seed
return 0
}
stop()
{
- if [ "$RC_UNAME" = Linux ]; then
- seedrng
- else
- ebegin "Saving random seed"
- save_seed
- eend $? "Failed to save random seed"
- fi
+ ebegin "Saving random seed"
+ save_seed
+ eend $? "Failed to save random seed"
}