From 318a1a2246a9f521e5a02313dcc1f6d68a0af7ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:16:14 +0200
Subject: Adding debian version 4.96-15+deb12u4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 debian/exim4-base.cron.daily | 120 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 debian/exim4-base.cron.daily

(limited to 'debian/exim4-base.cron.daily')

diff --git a/debian/exim4-base.cron.daily b/debian/exim4-base.cron.daily
new file mode 100644
index 0000000..0357a0e
--- /dev/null
+++ b/debian/exim4-base.cron.daily
@@ -0,0 +1,120 @@
+#!/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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