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25 lines
703 B
Plaintext
25 lines
703 B
Plaintext
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#!/bin/sh
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log_urandom_seed() {
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echo "urandom-seed: $1" > /dev/kmsg
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}
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_do_urandom_seed() {
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[ -f "$1" ] || { log_urandom_seed "Seed file not found ($1)"; return; }
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[ -O "$1" -a -G "$1" -a ! -x "$1" ] || { log_urandom_seed "Wrong owner / permissions for $1"; return; }
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log_urandom_seed "Seeding with $1"
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cat "$1" > /dev/urandom
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}
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do_urandom_seed() {
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[ -c /dev/urandom ] || { log_urandom_seed "Something is wrong with /dev/urandom"; return; }
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_do_urandom_seed "/etc/urandom.seed"
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SEED="$(uci -q get system.@system[0].urandom_seed)"
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[ "${SEED:0:1}" == "/" -a "$SEED" != "/etc/urandom.seed" ] && _do_urandom_seed "$SEED"
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}
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boot_hook_add preinit_main do_urandom_seed
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