diff options
Diffstat (limited to 'package/base-files/files/lib')
| -rw-r--r-- | package/base-files/files/lib/preinit/81_urandom_seed | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/package/base-files/files/lib/preinit/81_urandom_seed b/package/base-files/files/lib/preinit/81_urandom_seed new file mode 100644 index 0000000000..10878f3dc2 --- /dev/null +++ b/package/base-files/files/lib/preinit/81_urandom_seed @@ -0,0 +1,24 @@ +#!/bin/sh + +log_urandom_seed() { + echo "urandom-seed: $1" > /dev/kmsg +} + +_do_urandom_seed() { + [ -f "$1" ] || { log_urandom_seed "Seed file not found ($1)"; return; } + [ -O "$1" -a -G "$1" -a ! -x "$1" ] || { log_urandom_seed "Wrong owner / permissions for $1"; return; } + + log_urandom_seed "Seeding with $1" + cat "$1" > /dev/urandom +} + +do_urandom_seed() { + [ -c /dev/urandom ] || { log_urandom_seed "Something is wrong with /dev/urandom"; return; } + + _do_urandom_seed "/etc/urandom.seed" + + SEED="$(uci -q get system.@system[0].urandom_seed)" + [ "${SEED:0:1}" == "/" -a "$SEED" != "/etc/urandom.seed" ] && _do_urandom_seed "$SEED" +} + +boot_hook_add preinit_main do_urandom_seed |