mldonkey

#!/bin/bash

# Resolve possible redirects (mldonkey doesn't seem to handle these well)
url="$(curl -sL4 --head --referer "$2" "$1" |
	awk '/^Location:/ {loc=$2} END {sub("\r", "", loc); print loc}')"
[[ -z "$url" ]] && url="$1"

read host port login password\
	< <( awk '{
		for (i=1; i<NF+1; i++)
			if (!k) k=$i; else {auth[k]=$i; k=""}
		if (auth["service"]=="mld")
			print auth["machine"], auth["port"],\
				auth["login"], auth["password"]}'\
		~/.netrc )
[[ -z "$host" || -z "$port" || -z "$login" || -z "$password" ]] && exit 1

umask 077
exec 3>/tmp/leech_mld.lock
flock -w 300 3
echo -e "auth $login $password\nhttp '$url' '$2'\nexit\n" |
	ncat "$host" "$port" 2>&1 >/dev/null
err=$?
flock -u 3

if [[ $err -eq 0 ]]
then
	msg="Link relayed successfully\nLink: ${1}"
	msg+="\nResolved-to: ${url}"
else msg="Failed sending link, exit code: $err"
fi

notify-send -u critical "Leech: MLD" "$msg"