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annotate debian/dropbear.init @ 1665:7c17995bcdfb

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Improve address logging on early exit messages (#83) Change 'Early exit' and 'Exit before auth' messages to include the IP address & port as part of the message. This allows log scanning utilities such as 'fail2ban' to obtain the offending IP address as part of the failure event instead of extracting the PID from the message and then scanning the log again for match 'child connection from' messages Signed-off-by: Kevin Darbyshire-Bryant <[email protected]>
author Kevin Darbyshire-Bryant <6500011+ldir-EDB0@users.noreply.github.com>
date Wed, 18 Mar 2020 15:28:56 +0000
parents 4ca2872c7d9e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/sh
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2 ### BEGIN INIT INFO
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3 # Provides: dropbear
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4 # Required-Start: $remote_fs $syslog
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5 # Required-Stop: $remote_fs $syslog
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6 # Default-Start: 2 3 4 5
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7 # Default-Stop: 0 1 6
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8 # Short-Description: Dropbear SSH server
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9 ### END INIT INFO
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10 #
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11 # Do not configure this file. Edit /etc/default/dropbear instead!
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12 #
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13
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14 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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15 DAEMON=/usr/sbin/dropbear
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16 NAME=dropbear
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17 DESC="Dropbear SSH server"
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18
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19 DROPBEAR_PORT=22
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20 DROPBEAR_EXTRA_ARGS=
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21 NO_START=0
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22
4
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23 set -e
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24
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25 cancel() { echo "$1" >&2; exit 0; };
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26 test ! -r /etc/default/dropbear || . /etc/default/dropbear
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27 test -x "$DAEMON" || cancel "$DAEMON does not exist or is not executable."
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28 test ! -x /usr/sbin/update-service || ! update-service --check dropbear ||
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29 cancel 'The dropbear service is controlled through runit, use the sv(8) program'
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30
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31 test -z "$DROPBEAR_BANNER" || \
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32 DROPBEAR_EXTRA_ARGS="$DROPBEAR_EXTRA_ARGS -b $DROPBEAR_BANNER"
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33 test -n "$DROPBEAR_RSAKEY" || \
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34 DROPBEAR_RSAKEY="/etc/dropbear/dropbear_rsa_host_key"
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35 test -n "$DROPBEAR_DSSKEY" || \
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36 DROPBEAR_DSSKEY="/etc/dropbear/dropbear_dss_host_key"
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37 test -n "$DROPBEAR_RECEIVE_WINDOW" || \
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38 DROPBEAR_RECEIVE_WINDOW="65536"
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40 case "$1" in
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41 start)
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42 test "$NO_START" = "0" || cancel 'NO_START is not set to zero.'
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43 echo -n "Starting $DESC: "
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44 start-stop-daemon --start --quiet --pidfile /var/run/"$NAME".pid \
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45 --exec "$DAEMON" -- -d "$DROPBEAR_DSSKEY" -r "$DROPBEAR_RSAKEY" \
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46 -p "$DROPBEAR_PORT" -W "$DROPBEAR_RECEIVE_WINDOW" $DROPBEAR_EXTRA_ARGS
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47 echo "$NAME."
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48 ;;
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49 stop)
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50 echo -n "Stopping $DESC: "
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51 start-stop-daemon --stop --quiet --oknodo --pidfile /var/run/"$NAME".pid
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52 echo "$NAME."
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53 ;;
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54 restart|force-reload)
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55 test "$NO_START" = "0" || cancel 'NO_START is not set to zero.'
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56 echo -n "Restarting $DESC: "
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57 start-stop-daemon --stop --quiet --oknodo --pidfile /var/run/"$NAME".pid
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58 sleep 1
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59 start-stop-daemon --start --quiet --pidfile /var/run/"$NAME".pid \
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60 --exec "$DAEMON" -- -d "$DROPBEAR_DSSKEY" -r "$DROPBEAR_RSAKEY" \
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61 -p "$DROPBEAR_PORT" -W "$DROPBEAR_RECEIVE_WINDOW" $DROPBEAR_EXTRA_ARGS
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62 echo "$NAME."
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63 ;;
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64 *)
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65 N=/etc/init.d/$NAME
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66 echo "Usage: $N {start|stop|restart|force-reload}" >&2
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67 exit 1
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68 ;;
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69 esac
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71 exit 0