ack/first/bouncer

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558 B
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Executable file

#!/bin/sh
set -e
set -x
logfile=/tmp/bouncer.$$
trap "rm -f $logfile" EXIT
if [ S"$1" = S"" ]; then
>&2 echo "bouncer: syntax error: BOUNCER_WHITELIST=... bouncer <command>"
exit 1
fi
strace -eopen,chdir -o $logfile -f "$@"
awk -f- -F '[ "()]+' $logfile <<"EOF"
BEGIN {
split(ENVIRON["BOUNCER_WHITELIST"], whitelist_array, " +");
for (i in whitelist_array)
whitelist[whitelist_array[i]] = 1;
}
$2 == "chdir" {
print "pid ", $1, " chdir: ", $3;
}
($2 == "open") && ($5 !~ /O_CREAT/) && ($7 != -1) {
print "pid ", $1, " open: ", $3, $7;
}
EOF