54 lines
795 B
Bash
54 lines
795 B
Bash
#!/bin/sh
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outfile=$1; shift
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hosts=$1; shift
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on()
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{
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case "$1" in
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localhost)
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shift
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exec "$@"
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;;
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*)
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exec ssh "$@"
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;;
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esac
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}
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pids=
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mainpid=$$
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trap 'kill $pids' EXIT
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trap 'exit 1' INT USR1
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n=0
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for h in $hosts; do
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nn=`on "$h" cat /proc/cpuinfo | grep -c '^processor[ :]'`
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n=$(($nn + $n))
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done
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rm -f bruteforce-*
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i=0
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for h in $hosts; do
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nn=`on "$h" cat /proc/cpuinfo | grep -c '^processor[ :]'`
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ii=$(($nn + $i))
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while [ $i -lt $ii ]; do
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i=$(($i+1))
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(
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on "$h" ./crypto-keygen-standalone -n $n -o /dev/stdout "$@" > bruteforce-$i &
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pid=$!
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trap 'kill $pid' TERM
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wait
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if [ -s "bruteforce-$i" ]; then
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trap - TERM
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mv "bruteforce-$i" "$outfile"
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kill -USR1 $mainpid
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else
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rm -f "bruteforce-$i"
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fi
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) &
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pids="$pids $!"
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done
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done
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wait
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