blob: 4f090d19fe85cdf16a6acc4e2cab023e50a3fee4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#!/bin/sh
# mrgrctrnl
# configurable ssh tunneler
# by Case Duckworth <acdw@acdw.net>
# version 0.1
# LICENSE: MIT
usage()
{
cat <<-END
mrgrctrnl: make magic ssh tunnels
usage: mrgrctrnl [-h] [-c CONF] [-d]
-h show this help
-c CONF use config file CONF.
-d do a dry run: don't actually tunnel
. default: \$XDG_CONFIG_HOME/mrgrctrnl/config
END
exit "${1:-0}"
}
die()
{
[ "$#" -eq 0 ] && exit 1
case "$1" in
0-9*) ec="$1"; shift ;;
*) ec=1 ;;
esac
printf '!!%s: %s\n' "mrgrctrnl" "$*"
exit "$ec"
}
config="${XDG_CONFIG_HOME:=$HOME/.config}/mrgrctrnl/config"
pidf=/tmp/mrgrctrnl.pid
dry_run=false;
while getopts hc:d opt; do
case "$opt" in
h) usage ;;
c) config="$OPTARG" ;;
d) dry_run=true ;;
\?) usage 2 ;;
*) usage 2 ;;
esac
done
shift "$((OPTIND - 1))"
[ -f "$config" ] || die "Need a config! Edit $config"
[ -e "$pidf" ] && ! "$dry_run" && {
while read -r pid; do
kill "$pid"
done < "$pidf"
rm "$pidf"
}
awk '{sub(/#.*$/,"");print}' "$config" |
while read -r machine user local remote
do
[ -z "$machine" ] || [ -z "$user" ] ||
[ -z "$local" ] || [ -z "$remote" ] &&
continue
echo ssh -N "$user@$machine" -L "$local:$remote"
$dry_run ||
while :
do
ssh -N "$user@$machine" -L "$local:$remote"
echo "$!" >> "$pidf"
sleep 3
done &
done
wait
|
