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blockcheck: support more nslookup and ping variants

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bol-van 2024-05-13 10:23:58 +03:00
parent 8ec43269c0
commit 1b6735549f
1 changed files with 22 additions and 10 deletions
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32
blockcheck.sh
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@ -1347,11 +1347,27 @@ ask_params()
ping_with_fix()
{
local ret
$PING $2 $1 >/dev/null 2>/dev/null
ret=$?
# can be because of unsupported -4 option
if [ "$ret" = 2 -o "$ret" = 64 ]; then
ping $2 $1 >/dev/null
else
return $ret
fi
}
pingtest()
{
# $1 - ip version : 4 or 6
# $2 - domain or ip
# ping command can vary a lot. some implementations have -4/-6 options. others don.t
# WARNING ! macos ping6 command does not have timeout option. ping6 will fail
local PING=ping ret
if [ "$1" = 6 ]; then
if exists ping6; then
@ -1371,6 +1387,10 @@ pingtest()
fi
fi
case "$UNAME" in
Darwin)
$PING -c 1 -t 1 $2 >/dev/null 2>/dev/null
# WARNING ! macos ping6 command does not have timeout option. ping6 will fail. but without timeout is not an option.
;;
OpenBSD)
$PING -c 1 -w 1 $2 >/dev/null
;;
@ -1379,19 +1399,11 @@ pingtest()
# cygwin does not have own ping by default. use windows PING.
$PING -n 1 -w 1000 $2 >/dev/null
else
# they have installed cygwin ping
$PING -c 1 -W 1 $2 >/dev/null
ping_with_fix $2 '-c 1 -w 1'
fi
;;
*)
$PING -c 1 -W 1 $2 >/dev/null 2>/dev/null
ret=$?
# can be because of unsupported -4 option
if [ "$ret" = 2 ]; then
ping -c 1 -W 1 $2 >/dev/null
else
return $ret
fi
ping_with_fix $2 '-c 1 -W 1'
;;
esac
}