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Early spring clean: Remove trailing whitespaces, and correct licence headers
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1 #!/bin/sh
2 ###############################################################################
3 # #
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2007-2022 IPFire Team <info@ipfire.org> #
6 # #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
11 # #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
16 # #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
19 # #
20 ###############################################################################
21
22 . /etc/sysconfig/rc
23 . $rc_functions
24
25 case "$1" in
26 start)
27 for algo in rsa ecdsa ed25519; do
28 keyfile="/etc/ssh/ssh_host_${algo}_key"
29
30 # If the key already exists, there is nothing to do.
31 [ -e "${keyfile}" ] && continue
32
33 boot_mesg "Generating SSH key (${algo})..."
34 ssh-keygen -qf "${keyfile}" -N '' -t ${algo}
35 evaluate_retval
36 done
37
38 [ -e "/var/ipfire/remote/enablessh" ] || exit 0 # SSH is not enabled
39 boot_mesg "Starting SSH Server..."
40 loadproc -f /usr/sbin/sshd
41
42 # Also prevent ssh from being killed by out of memory conditions
43 (
44 sleep 3
45 pid=$(cat /var/run/sshd.pid 2>/dev/null)
46 [ -n "${pid}" ] && echo "-16" > "/proc/${pid}/oom_score_adj"
47 ) &
48 ;;
49
50 stop)
51 boot_mesg "Stopping SSH Server..."
52 killproc -p "/var/run/sshd.pid" /usr/sbin/sshd || true
53 ;;
54
55 reload)
56 boot_mesg "Reloading SSH Server..."
57 reloadproc /usr/sbin/sshd
58 ;;
59
60 restart)
61 $0 stop
62 sleep 1
63 $0 start
64 ;;
65
66 status)
67 statusproc /usr/sbin/sshd
68 ;;
69
70 *)
71 echo "Usage: $0 {start|stop|reload|restart|status}"
72 exit 1
73 ;;
74 esac