d6ac8ca76c
For equality test a simple = is sufficient, the == is usually disregarded as bashism. Signed-off-by: Michael Heimpold <mhei@heimpold.de>
20 lines
397 B
Bash
Executable file
20 lines
397 B
Bash
Executable file
#!/bin/sh
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set -e
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trap '[ "$?" -eq 0 ] || echo "An error occured" >&2' EXIT
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save() {
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touch "$1.tmp"
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chown root:root "$1.tmp"
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chmod 600 "$1.tmp"
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getrandom 512 > "$1.tmp"
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mv "$1.tmp" "$1"
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echo "Seed saved ($1)"
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}
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SEED="$(uci -q get system.@system[0].urandom_seed || true)"
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[ "${SEED:0:1}" = "/" ] && save "$SEED"
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SEED=/etc/urandom.seed
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[ ! -f $SEED ] && save "$SEED"
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true
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