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Prevent duplicate logging of mail-related output by configuring rsyslog to record only to mail.log and not also to syslog

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This commit is contained in:
downtownallday 2022-02-28 07:11:58 -05:00
parent 72827f365d
commit 94f140d528
3 changed files with 24 additions and 9 deletions
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10
setup/system.sh
View File

@ -370,3 +370,13 @@ cp -f conf/fail2ban/filter.d/* /etc/fail2ban/filter.d/
# scripts will ensure the files exist and then fail2ban is given another # scripts will ensure the files exist and then fail2ban is given another
# restart at the very end of setup. # restart at the very end of setup.
restart_service fail2ban restart_service fail2ban
# ### Mail-related logs should be recorded in mail.log only - stop
# ### duplicate logging to syslog
cat >/etc/rsyslog.d/20-mailinabox.conf <<EOF
mail.* -/var/log/mail.log
mail.err /var/log/mail.err
mail.* stop
EOF
restart_service rsyslog

22
tests/suites/_mail-functions.sh
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@ -114,9 +114,7 @@ detect_syslog_error() {
while read line; do while read line; do
# named[7940]: dispatch 0x7f460c02c3a0: shutting down due to TCP receive error: 199.249.112.1#53: connection reset # named[7940]: dispatch 0x7f460c02c3a0: shutting down due to TCP receive error: 199.249.112.1#53: connection reset
awk ' awk '
/status=(bounced|deferred|undeliverable)/ { exit 1 } !/nsd\[[0-9]+\]/ && /warning:/ { exit 1 }
/warning:/ && /spamhaus\.org: RBL lookup error:/ { exit 2 }
!/postfix\/qmgr/ && !/nsd\[[0-9]+\]/ && /warning:/ { exit 1 }
/nsd\[[0-9]+\]: error: Cannot open .*nsd\.log/ { exit 2 } /nsd\[[0-9]+\]: error: Cannot open .*nsd\.log/ { exit 2 }
/named\[[0-9]+\]:.* receive error: .*: connection reset/ { exit 2 } /named\[[0-9]+\]:.* receive error: .*: connection reset/ { exit 2 }
/(fatal|reject|error):/ { exit 1 } /(fatal|reject|error):/ { exit 1 }
@ -209,9 +207,9 @@ detect_slapd_log_error() {
} }
detect_dovecot_log_error() { detect_mail_log_error() {
record record
record "[Detect dovecot log errors]" record "[Detect mail log errors]"
local count local count
let count="$MAIL_LOG_LINECOUNT + 1" let count="$MAIL_LOG_LINECOUNT + 1"
if [ ! -e /var/log/mail.log ]; then if [ ! -e /var/log/mail.log ]; then
@ -225,10 +223,16 @@ detect_dovecot_log_error() {
let ignored=0 let ignored=0
while read line; do while read line; do
awk ' awk '
/status=(bounced|deferred|undeliverable)/ { exit 1 }
/warning:/ && /spamhaus\.org: RBL lookup error:/ { exit 2 }
!/postfix\/qmgr/ && /warning:/ { exit 1 }
/LDAP server, reconnecting/ { exit 2 } /LDAP server, reconnecting/ { exit 2 }
/postfix/ { exit 2 } /postfix/ { exit 2 }
/auth failed/ { exit 1 } /auth failed/ { exit 1 }
/ Error: / { exit 1 } / Error: / { exit 1 }
/(fatal|reject|error):/ { exit 1 }
/Error in / { exit 1 }
/Exception on / { exit 1 }
' \ ' \
>>$TEST_OF 2>&1 <<< "$line" >>$TEST_OF 2>&1 <<< "$line"
r=$? r=$?
@ -281,8 +285,8 @@ check_logs() {
fi fi
if array_contains mail ${types[@]}; then if array_contains mail ${types[@]}; then
detect_dovecot_log_error && $assert && detect_mail_log_error && $assert &&
test_failure "detected errors in dovecot log" test_failure "detected errors in mail log"
fi fi
} }
@ -293,8 +297,8 @@ assert_check_logs() {
grep_postfix_log() { grep_postfix_log() {
local msg="$1" local msg="$1"
local count local count
let count="$SYS_LOG_LINECOUNT + 1" let count="$MAIL_LOG_LINECOUNT + 1"
tail --lines=+$count /var/log/syslog 2>>$TEST_OF | grep -iF "$msg" >/dev/null 2>>$TEST_OF tail --lines=+$count /var/log/mail.log 2>>$TEST_OF | grep -iF "$msg" >/dev/null 2>>$TEST_OF
return $? return $?
} }

1
tests/suites/mail-access.sh
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@ -328,6 +328,7 @@ EOF
# ok # ok
check_logs check_logs
else else
test_failure "Expected postfix/lmtp to report 'User doesn't exist'"
assert_check_logs assert_check_logs
fi fi