| 1 | #! /bin/sh |
| 2 | # /etc/init.d/exim4 |
| 3 | # |
| 4 | # Written by Miquel van Smoorenburg <miquels@drinkel.ow.org>. |
| 5 | # Modified for Debian GNU/Linux by Ian Murdock <imurdock@gnu.ai.mit.edu>. |
| 6 | # Modified for exim by Tim Cutts <timc@chiark.greenend.org.uk> |
| 7 | # Modified for exim4 by Andreas Metzler <ametzler@debian.org> |
| 8 | # and Marc Haber <mh+debian-packages@zugschlus.de> |
| 9 | |
| 10 | ### BEGIN INIT INFO |
| 11 | # Provides: exim4 |
| 12 | # Required-Start: $remote_fs $syslog $named $network $time |
| 13 | # Required-Stop: $remote_fs $syslog $named $network |
| 14 | # Should-Start: postgresql mysql clamav-daemon greylist spamassassin |
| 15 | # Should-Stop: postgresql mysql clamav-daemon greylist spamassassin |
| 16 | # Default-Start: 2 3 4 5 |
| 17 | # Default-Stop: 0 1 6 |
| 18 | # Short-Description: exim Mail Transport Agent |
| 19 | # Description: exim is a Mail Transport agent |
| 20 | ### END INIT INFO |
| 21 | |
| 22 | set -e |
| 23 | |
| 24 | test -x /usr/lib/exim4/exim4 || exit 0 |
| 25 | |
| 26 | . /lib/lsb/init-functions |
| 27 | |
| 28 | if [ -n "$EX4DEBUG" ]; then |
| 29 | echo "now debugging $0 $@" |
| 30 | set -x |
| 31 | fi |
| 32 | |
| 33 | LANG=C |
| 34 | export LANG |
| 35 | |
| 36 | #read default file |
| 37 | QUEUERUNNER='combined' |
| 38 | QUEUEINTERVAL='30m' |
| 39 | UPEX4OPTS='' |
| 40 | [ -f /etc/default/exim4 ] && . /etc/default/exim4 |
| 41 | PIDFILE="/run/exim4/exim.pid" |
| 42 | QRPIDFILE="/run/exim4/eximqr.pid" |
| 43 | |
| 44 | upex4conf() { |
| 45 | UPEX4CONF="update-exim4.conf" |
| 46 | OLDIFS="$IFS" |
| 47 | IFS=: |
| 48 | for p in $PATH; do |
| 49 | if [ -x "$p/$UPEX4CONF" ]; then |
| 50 | IFS="$OLDIFS" |
| 51 | $p/$UPEX4CONF $UPEX4OPTS $1 |
| 52 | return 0 |
| 53 | fi |
| 54 | done |
| 55 | IFS="$OLDIFS" |
| 56 | } |
| 57 | |
| 58 | # Exit if exim runs from /etc/inetd.conf |
| 59 | if [ -f /etc/inetd.conf ] && grep -E -q '^[[:space:]]*((\*|[[:alnum:].-]+):)?smtp[[:space:]]' /etc/inetd.conf |
| 60 | then |
| 61 | upex4conf |
| 62 | exit 0 |
| 63 | fi |
| 64 | |
| 65 | |
| 66 | DAEMON="/usr/sbin/exim4" |
| 67 | NAME="exim4" |
| 68 | |
| 69 | # this is from madduck on IRC, 2006-07-06 |
| 70 | # There should be a better possibility to give daemon error messages |
| 71 | # and/or to log things |
| 72 | log() |
| 73 | { |
| 74 | case "$1" in |
| 75 | [[:digit:]]*) success=$1; shift;; |
| 76 | *) :;; |
| 77 | esac |
| 78 | log_action_begin_msg "$1"; shift |
| 79 | log_action_end_msg ${success:-0} "$*" |
| 80 | } |
| 81 | |
| 82 | start_exim() |
| 83 | { |
| 84 | [ -e /run/exim4 ] || \ |
| 85 | install -d -oDebian-exim -gDebian-exim -m750 /run/exim4 |
| 86 | case ${QUEUERUNNER} in |
| 87 | combined) |
| 88 | start_daemon -p "$PIDFILE" \ |
| 89 | "$DAEMON" -bd "-q${QFLAGS}${QUEUEINTERVAL}" \ |
| 90 | ${COMMONOPTIONS} \ |
| 91 | ${QUEUERUNNEROPTIONS} \ |
| 92 | ${SMTPLISTENEROPTIONS} |
| 93 | log_progress_msg "exim4" |
| 94 | ;; |
| 95 | separate) |
| 96 | start_daemon -p "$PIDFILE" \ |
| 97 | "$DAEMON" -bd \ |
| 98 | ${COMMONOPTIONS} \ |
| 99 | ${SMTPLISTENEROPTIONS} |
| 100 | log_progress_msg "exim4_listener" |
| 101 | start_daemon -p "$QRPIDFILE" \ |
| 102 | "$DAEMON" -oP $QRPIDFILE \ |
| 103 | "-q${QFLAGS}${QUEUEINTERVAL}" \ |
| 104 | ${COMMONOPTIONS} \ |
| 105 | ${QUEUERUNNEROPTIONS} |
| 106 | log_progress_msg "exim4_queuerunner" |
| 107 | ;; |
| 108 | queueonly) |
| 109 | start_daemon -p "$PIDFILE" \ |
| 110 | "$DAEMON" -oP $PIDFILE \ |
| 111 | "-q${QFLAGS}${QUEUEINTERVAL}" \ |
| 112 | ${COMMONOPTIONS} \ |
| 113 | ${QUEUERUNNEROPTIONS} |
| 114 | log_progress_msg "exim4_queuerunner" |
| 115 | ;; |
| 116 | no|ppp) |
| 117 | start_daemon -p "$PIDFILE" \ |
| 118 | "$DAEMON" -bd \ |
| 119 | ${COMMONOPTIONS} \ |
| 120 | ${SMTPLISTENEROPTIONS} |
| 121 | log_progress_msg "exim4_listener" |
| 122 | ;; |
| 123 | nodaemon) |
| 124 | ;; |
| 125 | esac |
| 126 | } |
| 127 | |
| 128 | stop_exim() |
| 129 | { |
| 130 | # we try to kill eximqr and exim SMTP listener, no matter what |
| 131 | # ${QUEUERUNNER} is set to, we could have switched since starting. |
| 132 | if [ -f "$QRPIDFILE" ]; then |
| 133 | killproc -p "$QRPIDFILE" "$DAEMON" |
| 134 | # exim does not remove the pidfile |
| 135 | if [ $? -eq 0 ] ; then rm -f "$QRPIDFILE" ; fi |
| 136 | log_progress_msg "exim4_queuerunner" |
| 137 | fi |
| 138 | if [ -f "$PIDFILE" ]; then |
| 139 | killproc -p "$PIDFILE" "$DAEMON" |
| 140 | # exim does not remove the pidfile |
| 141 | if [ $? -eq 0 ] ; then rm -f "$PIDFILE" ; fi |
| 142 | log_progress_msg "exim4_listener" |
| 143 | fi |
| 144 | } |
| 145 | |
| 146 | reload_exim() |
| 147 | { |
| 148 | case ${QUEUERUNNER} in |
| 149 | combined|no|ppp|queueonly) |
| 150 | killproc -p "$PIDFILE" "$DAEMON" -HUP |
| 151 | log_progress_msg "exim4" |
| 152 | ;; |
| 153 | separate) |
| 154 | killproc -p "$PIDFILE" "$DAEMON" -HUP |
| 155 | log_progress_msg "exim4_listener" |
| 156 | killproc -p "$QRPIDFILE" "$DAEMON" -HUP |
| 157 | log_progress_msg "exim4_queuerunner" |
| 158 | ;; |
| 159 | esac |
| 160 | } |
| 161 | |
| 162 | kill_all_exims() |
| 163 | { SIG="${1:-TERM}" |
| 164 | for pid in $(pidof $NAME); do |
| 165 | if [ "$(readlink /proc/$pid/root)" = "/" ]; then |
| 166 | kill -$SIG $pid |
| 167 | fi |
| 168 | done |
| 169 | } |
| 170 | |
| 171 | status() |
| 172 | { |
| 173 | # the exit value of this function reflects the status of the SMTP |
| 174 | # service. Output shows the status of the queue runner as well. |
| 175 | SMTPNAME="SMTP listener daemon" |
| 176 | QRNAME="separate queue runner daemon" |
| 177 | if [ "${QUEUERUNNER}" = "combined" ]; then |
| 178 | SMTPNAME="combined SMTP listener and queue runner daemon" |
| 179 | elif [ "${QUEUERUNNER}" = "queueonly" ]; then |
| 180 | SMTPNAME="separate queue runner daemon" |
| 181 | fi |
| 182 | log_action_begin_msg "checking $QRNAME" |
| 183 | if pidofproc -p "$QRPIDFILE" "$DAEMON" >/dev/null; then |
| 184 | log_action_end_msg 0 "running" |
| 185 | else |
| 186 | if [ -e "$QRPIDFILE" ]; then |
| 187 | log_action_end_msg 1 "$QRNAME failed" |
| 188 | else |
| 189 | log_action_end_msg 0 "not running" |
| 190 | fi |
| 191 | fi |
| 192 | log_action_begin_msg "checking $SMTPNAME" |
| 193 | if pidofproc -p "$PIDFILE" "$DAEMON" >/dev/null; then |
| 194 | log_action_end_msg 0 "running" |
| 195 | exit 0 |
| 196 | else |
| 197 | if [ -e "$PIDFILE" ]; then |
| 198 | log_action_end_msg 1 "$SMTPNAME failed" |
| 199 | exit 1 |
| 200 | else |
| 201 | log_action_end_msg 0 "not running" |
| 202 | exit 3 |
| 203 | fi |
| 204 | fi |
| 205 | } |
| 206 | |
| 207 | # check for valid configuration file |
| 208 | isconfigvalid() |
| 209 | { |
| 210 | if ! $DAEMON -bV > /dev/null ; then |
| 211 | log 1 "Warning! Invalid configuration file for $NAME. Exiting." |
| 212 | exit 1 |
| 213 | fi |
| 214 | } |
| 215 | |
| 216 | # check for non-empty paniclog |
| 217 | warn_paniclog() |
| 218 | { |
| 219 | if [ -s "/var/log/exim4/paniclog" ]; then |
| 220 | if [ -z "$E4BCD_PANICLOG_NOISE" ] || grep -vq "$E4BCD_PANICLOG_NOISE" /var/log/exim4/paniclog; then |
| 221 | echo "ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken" 1>&2 |
| 222 | fi |
| 223 | fi |
| 224 | } |
| 225 | |
| 226 | case "$1" in |
| 227 | start) |
| 228 | log_daemon_msg "Starting MTA" |
| 229 | # regenerate exim4.conf |
| 230 | upex4conf |
| 231 | isconfigvalid |
| 232 | start_exim |
| 233 | log_end_msg 0 |
| 234 | warn_paniclog |
| 235 | ;; |
| 236 | stop) |
| 237 | log_daemon_msg "Stopping MTA" |
| 238 | stop_exim |
| 239 | log_end_msg 0 |
| 240 | warn_paniclog |
| 241 | ;; |
| 242 | restart) |
| 243 | # check whether newly generated config would work |
| 244 | upex4conf --check |
| 245 | log_daemon_msg "Stopping MTA for restart" |
| 246 | stop_exim |
| 247 | # regenerate exim4.conf |
| 248 | upex4conf |
| 249 | isconfigvalid |
| 250 | log_end_msg 0 |
| 251 | sleep 2 |
| 252 | log_daemon_msg "Restarting MTA" |
| 253 | start_exim |
| 254 | log_end_msg 0 |
| 255 | warn_paniclog |
| 256 | ;; |
| 257 | reload|force-reload) |
| 258 | log_daemon_msg "Reloading $NAME configuration files" |
| 259 | # regenerate exim4.conf |
| 260 | upex4conf |
| 261 | isconfigvalid |
| 262 | reload_exim |
| 263 | log_end_msg 0 |
| 264 | warn_paniclog |
| 265 | ;; |
| 266 | status) |
| 267 | status |
| 268 | ;; |
| 269 | force-stop) |
| 270 | kill_all_exims $2 |
| 271 | ;; |
| 272 | *) |
| 273 | echo "Usage: $0 {start|stop|restart|reload|status|force-stop}" |
| 274 | exit 1 |
| 275 | ;; |
| 276 | esac |
| 277 | |
| 278 | exit 0 |
| 279 | # vim:tabstop=2:expandtab:shiftwidth=2 |