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Use terse output from lsof

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This both simplifies parsing a little, and suppresses warnings. Suppressing
warnings is both good and bad: on the one hand it resolves problems such as
https://github.com/Mbed-TLS/mbedtls/issues/5731, on the other hand it may
hide clues as to why lsof wouldn't be working as expected.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2022-04-15 22:53:18 +02:00
parent e8133cbecc
commit 36019d5182
1 changed files with 2 additions and 4 deletions
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6
tests/ssl-opt.sh
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@ -696,13 +696,11 @@ if type lsof >/dev/null 2>/dev/null; then
fi fi
# Make a tight loop, server normally takes less than 1s to start. # Make a tight loop, server normally takes less than 1s to start.
while true; do while true; do
SERVER_PIDS=$(lsof -a -n -b -i "$proto:$1" -F p) SERVER_PIDS=$(lsof -a -n -b -i "$proto:$1" -t)
# When we use a proxy, it will be listening on the same port we # When we use a proxy, it will be listening on the same port we
# are checking for as well as the server and lsof will list both. # are checking for as well as the server and lsof will list both.
# If multiple PIDs are returned, each one will be on a separate
# line, each prepended with 'p'.
case ${newline}${SERVER_PIDS}${newline} in case ${newline}${SERVER_PIDS}${newline} in
*${newline}p${2}${newline}*) break;; *${newline}${2}${newline}*) break;;
esac esac
if [ $(( $(date +%s) - $START_TIME )) -gt $DOG_DELAY ]; then if [ $(( $(date +%s) - $START_TIME )) -gt $DOG_DELAY ]; then
echo "$3 START TIMEOUT" echo "$3 START TIMEOUT"