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Directory :  /proc/2/root/etc/cron.daily/

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Current File : /proc/2/root/etc/cron.daily/exim4-base
#!/bin/sh

EX4SYSTEMDTIMER=$1

# skip in favour of systemd timer if called from cron.daily
if [ -d /run/systemd/system ] && [ "$EX4SYSTEMDTIMER" != "systemd-timer" ]; then
            exit 0
fi

if [ -n "$EX4DEBUG" ]; then
  echo "now debugging $0 $@"
  set -x
fi


# set this to some other value if you don't want the panic log to be
# watched by this script, for example when you're using your own log
# checking mechanisms or don't care.

E4BCD_DAILY_REPORT_TO=""
E4BCD_DAILY_REPORT_OPTIONS=""
E4BCD_WATCH_PANICLOG="yes"
# Number of lines of paniclog quoted in warning email.
E4BCD_PANICLOG_LINES="10"
E4BCD_PANICLOG_NOISE=""
E4BCD_PANICLOG_REPORT_TO=root

# Only do anything if exim4 is actually installed
if [ ! -x /usr/lib/exim4/exim4 ]; then
  exit 0
fi

[ -f /etc/default/exim4 ] && . /etc/default/exim4

SPOOLDIR="$(exim4 -bP spool_directory | sed 's/.*=[[:space:]]\(.*\)/\1/')"
if [ -n "$E4BCD_DAILY_REPORT_TO" ] || [ "$E4BCD_WATCH_PANICLOG" != "no" ] ; then
	# Only needed for mail subject.
	if ! HOSTNAME=$(/usr/sbin/exim4 -be '${primary_hostname}'); then
		HOSTNAME="$(hostname)"
	fi
fi


# The log processing code used in this cron script is not very
# sophisticated. It relies on this cron job being executed earlier than
# the log rotation job, and will have false results if the log is not
# rotated exactly once daily in the daily cron processing. Even in the
# default configuration, it will ignore log entries made between this
# cron job and the log rotation job.

# Patches for more sophisticated processing are appreciated via the
# Debian BTS.

E4BCD_MAINLOG_NOISE="^[[:digit:][:space:]:-]\{20\}\(\(Start\|End\) queue run: pid=[[:digit:]]\+\|exim [[:digit:]\.]\+ daemon started: pid=[[:digit:]]\+, .*\)$"

if [ -n "$E4BCD_DAILY_REPORT_TO" ]; then
  if [ -x "$(command -v eximstats)" ] && [ -x "$(command -v mail)" ]; then
    if [ "$(< /var/log/exim4/mainlog grep -v "$E4BCD_MAINLOG_NOISE" | wc -l)" -gt "0" ]; then
      < /var/log/exim4/mainlog grep -v "$E4BCD_MAINLOG_NOISE" \
                | eximstats $E4BCD_DAILY_REPORT_OPTIONS \
                | mail -s"${HOSTNAME} Daily e-mail activity report" \
		    $E4BCD_DAILY_REPORT_TO
    else
      echo "no mail activity in this interval" \
                | mail -s"${HOSTNAME} Daily e-mail activity report" \
		    $E4BCD_DAILY_REPORT_TO
    fi
  else
    echo "The exim4 cron job is configured to send a daily report, but eximstats"
    echo "and/or mail cannot be found. Please check and make sure that these two"
    echo "binaries are available"
  fi
fi

log_this() {
  TEXT="$@"
  if ! logger -t exim4 -p mail.alert $TEXT; then
    RET="$?"
    echo >&2 "ALERT: could not syslog $TEXT, logger return value $RET"
  fi
}

if [ "$E4BCD_WATCH_PANICLOG" != "no" ]; then
  if [ -s "/var/log/exim4/paniclog" ]; then
    if [ -x "/usr/local/lib/exim4/nonzero_paniclog_hook" ]; then
      /usr/local/lib/exim4/nonzero_paniclog_hook
    fi
    if [ -z "$E4BCD_PANICLOG_NOISE" ] || grep -vq "$E4BCD_PANICLOG_NOISE" /var/log/exim4/paniclog; then
      log_this "ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken"
      if ! printf "Subject: exim paniclog on %s has non-zero size\nTo: %s\n\nexim paniclog /var/log/exim4/paniclog on %s has non-zero size, mail system might be broken. Up to ${E4BCD_PANICLOG_LINES} lines are quoted below.\n\n%s\n" \
      "${HOSTNAME}" "${E4BCD_PANICLOG_REPORT_TO}" "${HOSTNAME}" \
      "$(if [ -z "$E4BCD_PANICLOG_NOISE" ] ; then tail -n "${E4BCD_PANICLOG_LINES}" /var/log/exim4/paniclog ; else grep -v "$E4BCD_PANICLOG_NOISE" /var/log/exim4/paniclog | tail -n "${E4BCD_PANICLOG_LINES}" ; fi)" \
      | exim4 "${E4BCD_PANICLOG_REPORT_TO}"; then
        log_this "PANIC: sending out e-mail warning has failed, exim has non-zero return code"
      fi
      if [ "$E4BCD_WATCH_PANICLOG" = "once" ]; then
        logrotate -f /etc/logrotate.d/exim4-paniclog
      fi
    fi
  fi
fi

# run tidydb as Debian-exim:Debian-exim.
if [ -x /usr/sbin/exim_tidydb ]; then
  cd $SPOOLDIR/db || exit 1
  if ! find $SPOOLDIR/db -maxdepth 1 -name '*.lockfile' -or -name 'log.*' \
    -or -type f -printf '%f\0' | \
      xargs -0r -n 1 \
      start-stop-daemon --start --exec /usr/sbin/exim_tidydb \
      --chuid Debian-exim:Debian-exim -- $SPOOLDIR > /dev/null; then
    # if we reach this, invoking exim_tidydb from start-stop-daemon has
    # failed, most probably because of libpam-tmpdir being in use
    # (see #373786 and #376165)
    find $SPOOLDIR/db -maxdepth 1 -name '*.lockfile' -or -name 'log.*' \
    -or -type f -printf '%f\0' | \
    runuser --shell=/bin/bash \
         --command="xargs -0r -n 1 /usr/sbin/exim_tidydb $SPOOLDIR > /dev/null" \
         Debian-exim
  fi
fi

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AnonSec Team