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30 lines
674 B
Bash
30 lines
674 B
Bash
#!/bin/sh /etc/rc.common
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START=99
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EXTRA_COMMANDS="save"
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_log() {
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logger -t urandom_seed "$1"
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}
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_save() {
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touch $1.tmp || { _log "touch $1 failed"; return; }
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chown root:root $1.tmp || { _log "chown $1 failed"; return; }
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chmod 600 $1.tmp || { _log "chmod $1 failed"; return; }
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getrandom 512 > $1.tmp || { _log "getrandom failed"; return; }
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mv $1.tmp $1 || { _log "mv $1 failed"; return; }
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}
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save() {
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SEED="$(uci -q get system.@system[0].urandom_seed)"
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[ "${SEED:0:1}" == "/" ] && _save "$SEED" && _log "Seed saved ($SEED)"
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SEED=/etc/urandom.seed
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[ ! -f $SEED ] && _save "$SEED" && _log "Seed saved ($SEED)"
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}
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boot() {
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save
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}
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