3 # Usage: mail-test-check [slow] [int|nonint]
5 # slow: do slow checks, like spamassassin
7 # for non-interactive, dont print unless something went
11 source /b
/bash-bear-trap
/bash-bear
13 [[ $EUID == 0 ]] ||
exec sudo
-E "${BASH_SOURCE[0]}" "$@"
17 e
() { $int ||
return 0; printf "mailtest-check: %s\n" "$*"; }
20 if [[ ! $spamdpid ||
! -d /proc
/$spamdpid ]]; then
21 # try twice in case we are restarting, it happens.
23 spamdpid
=$
(systemctl show
--property MainPID
--value spamassassin |
sed 's/^[10]$//' ||
:)
24 if [[ $spamdpid ]]; then
33 #### begin arg processing ####
34 # spamassassin checking takes about 8 seconds.
36 if [[ $1 == slow
]]; then
42 if [[ $SUDO_USER ||
$SSH_CONNECTION ]]; then
46 if [[ $1 == int
]]; then
50 if [[ $1 == nonint
]]; then
53 #### end arg processing ####
55 # we put this in to avoid dns errors that happen on reboot,
56 # but I want to debug them.
62 # TODO, get je to deliver the local mailbox: /m/md/INBOX
63 # dovecot appears to setup, i can t be sure.
65 source /a
/bin
/bash_unpublished
/source-state
73 rm -f /var
/lib
/prometheus
/node-exporter
/mailtest-check.prom
*
79 local -a p_unexpected_spamd_results p_missing_dnswl p_last_usec
82 folders
=(/m
/md
/{expertpathologyreview.com
,amnimal.ninja
}/testignore
)
83 froms
=(ian@iankelling.org z@zroe.org testignore@je.b8.nz iank@gnu.org
)
86 froms
=(ian@iankelling.org z@zroe.org iank@gnu.org testignore@amnimal.ninja
)
87 folders
=(/m
/md
/je.b8.nz
/testignore
)
90 folders
=(/m
/md
/l
/testignore
)
91 froms
=(testignore@je.b8.nz testignore@expertpathologyreview.com testignore@amnimal.ninja ian@iankelling.org z@zroe.org
)
93 ### begin rsyncing fencepost email ###
94 # We dont want to exit if rsync fails, that will get caught by
95 # our later test by virtue of not having the latest email.
97 try_start_time
=$EPOCHSECONDS
98 try_limit
=140 # somewhat arbitrary value
99 while ! $did_rsync; do
100 try_left
=$
(( try_limit
- ( EPOCHSECONDS
- try_start_time
) ))
101 timeout
=120 # somewhat arbitrary value
102 if (( try_left
< 0 )); then
103 echo "mailtest-check: failed to rsync fencepost > $try_limit seconds"
106 if (( try_left
< timeout
)); then
109 if timeout
$timeout rsync
--chown iank
:iank
-e "ssh -oIdentitiesOnly=yes -F /dev/null -i /root/.ssh/jtuttle" -t --inplace -r 'jtuttle@fencepost.gnu.org:/home/j/jtuttle/Maildir/new/' /m
/md
/l
/testignore
/new
; then
115 if ! $did_rsync; then
116 echo mailtest-check
: warning
: fencepost rsync failed
118 ### end rsyncing fencepost email ###
124 # avoid errors like this:
125 # Nov 8 08:16:05.439 [6080] warn: plugin: failed to parse plugin (from @INC): Can't locate Mail/SpamAssassin/Plugin/WLBLEval.pm: lib/Mail/SpamAssassin/Plugin/WLBLEval.pm: Permission denied at (eval 59) line 1.
126 #Nov 8 08:16:05.439 [6080] warn: plugin: failed to parse plugin (from @INC): Can't locate Mail/SpamAssassin/Plugin/VBounce.pm: lib/Mail/SpamAssassin/Plugin/VBounce.pm: Permission denied at (eval 60) line 1.
127 # i dont know why, i just found the solution online
132 # first time we write, overwrite anything existing
133 if [[ -e /var
/lib
/prometheus
/node-exporter
]]; then
134 cat >/var
/lib
/prometheus
/node-exporter
/mailtest-check.prom.$$
<<EOF
135 mailtest_check_found_spamd_pid_bool $(( ${spamdpid:-0} > 0 ))
138 e spamdpid
: $spamdpid
139 if [[ ! $spamdpid ]]; then
140 echo mailtest spamd pid not found. systemctl status spamassassin
:
141 systemctl status spamassassin
144 declare -i unexpected
=0
145 for folder
in ${folders[@]}; do
146 for from
in ${froms[@]}; do
147 declare -i missing_dnswl
=0
148 #declare -i dnsfail=0
149 declare -i unexpected
=0
153 if ! grep -rlFx "From: $from" $folder/{new
,cur
} >$tmpfile; then
154 echo "no message found from: $from"
157 # webmail sends them to cur it seems
158 while read -r file; do
159 file_sec
=$
(awk '/^Subject: / {print $4}' $file)
160 if [[ $file_sec ]] && (( file_sec
> last_sec
)); then
167 to
=$
(awk '/^Envelope-to: / {print $2}' $latest)
171 find $folder/new
$folder/cur
-type f
-mmin +1080 -delete
174 if [[ $spamdpid ]]; then
175 if [[ $
(readlink
/proc
/$$
/ns
/net
) != "$(readlink /proc/$spamdpid/ns/net)" ]]; then
176 spamcpre
="nsenter -t $spamdpid -n -m"
180 # pyzor fails for our test message, so dont put useless load on their
182 # example line that sed is parsing:
183 # (-0.1 / 5.0 requ) DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,SPF_HELO_PASS=-0.001,SPF_PASS=-0.001,TVD_SPACE_RATIO=0.001 autolearn=_AUTOLEARN
185 $spamcpre sudo
-u Debian-exim spamassassin
-D -t --cf='score PYZOR_CHECK 0' <"$latest" &>$resultfile
187 # note: on some mail, its 1 line after the send-test-forward, on others its 2 with a blank inbetween.
188 # I use the sed -n to filter this.
189 raw_results
="$(tail $resultfile | grep -A2 -Fx /usr/local/bin/send-test-forward | tail -n+2 | sed -nr 's/^\([^)]*\) *//;s/=[^, ]*([, ]|$)/ /gp')"
190 for r
in $raw_results; do
192 # got this in an update 2022-01. dun care
193 T_SCC_BODY_TEXT_LINE|SCC_BODY_SINGLE_WORD
) : ;;
194 # we have a new domain, ignore this.
195 # it seems like some versions of spamassassin do BODY_SINGLE_WORD, others dont, we dun care.
196 # bayes_00 is a new one indicating ham, we dont care if its missing.
197 BAYES_00|BODY_SINGLE_WORD|FROM_FMBLA_NEWDOM
*|autolearn
) : ;;
199 # These have somewhat randomly been added and removed, resulting in useless alerts, so ignore them.
200 RCVD_IN_DNSWL_MED|DKIMWL_WL_HIGH
) : ;;
203 # some of my domains use neutral spf, treat them the same.
204 results
[SPF_HELO_PASS
]=t
212 # e results = ${!results[@]}
215 keys
=(DKIM_SIGNED DKIM_VALID
{,_AU
,_EF
} SPF_HELO_PASS SPF_PASS TVD_SPACE_RATIO
)
216 if [[ $to == *@gnu.org
&& $from == *@gnu.org
]]; then
217 keys
=(ALL_TRUSTED TVD_SPACE_RATIO
)
218 # from eggs had DKIMWL_WL_HIGH sometime in 2022, then DKIMWL_WL_MED unti march 2023
221 for t
in ${keys[@]}; do
222 if [[ ${results[$t]} ]]; then
224 elif [[ $t == DKIM_VALID_EF
&& $from == *@
[^.
]*.
[^.
]*.
[^.
]* ]]; then
226 # third level domains dont hit this. its because
227 # /usr/share/perl5/Mail/SpamAssassin/Plugin/DKIM.pm checks
228 # if its signed with the registryboundaries domain. afaik:
229 # we need the actual domain to sign it, this would result in
230 # a second signature. I only use second level domains for
231 # testing atm, fsf doesnt use them for anything but the
232 # forum and I dont expect that to have any deliverability
233 # problems. So, not bothering atm.
238 if (( ${#results[@]} ||
${#missing[@]} )); then
239 printf "$HOSTNAME spamtest %s\n" "$latest"
240 if (( ${#results[@]} )); then
241 printf "unexpected %s" "${!results[*]} "
243 if (( ${#missing[@]} )); then
244 printf "missing %s" "${missing[*]}"
246 echo # ends our printf string buildup
248 echo mailtest-check
: end of spam debug results
249 # lets just handle 1 failure at a time in interactive mode.
251 echo mailtest-check
: from
: $from, to
: $to
255 # less verbose debug output, commented since I might want it another time.
257 # echo mailtest-check: cat $latest:
259 # echo mailtest-check: end of cat
263 for r
in ${results[@]}; do
265 # iank: for when we want to handle dns errors differently.
266 # also uncomment declaration of dnsfail above.
267 # DKIM_INVALID|T_SPF_TEMPERROR|T_SPF_HELO_TEMPERROR)
271 unexpected
=$
(( unexpected
+ 1 ))
275 for miss
in ${missing[@]}; do
276 # At some point we had annoying dns failures that we couldn't solve so we
277 # we counted dns fail related results separately and alert differently.
278 # DKIM_VALID|DKIM_VALID_AU|DKIM_VALID_EF|SPF_HELO_PASS|SPF_PASS|
285 mapfile
-O ${#p_missing_dnswl[@]} -t p_missing_dnswl
<<EOF
286 mailtest_check_missing_dnswl{folder="$folder",from="$from"} $missing_dnswl
288 mapfile
-O ${#p_unexpected_spamd_results[@]} -t p_unexpected_spamd_results
<<EOF
289 mailtest_check_unexpected_spamd_results{folder="$folder",from="$from"} $unexpected
295 age_sec
=$
(( now
- last_sec
))
296 e $
((age_sec
/ 60)):$
(( age_sec
% 60 )) ago. to
:$to from
:$from $latest
298 # usec = unix seconds
299 mapfile
-O ${#p_last_usec[@]} -t p_last_usec
<<EOF
300 mailtest_check_last_usec{folder="$folder",from="$from"} $last_sec
302 done # end for from in ${froms[@]}
303 done # end for folder in ${folders[@]}
305 dir
=/var
/lib
/prometheus
/node-exporter
306 path
=$dir/mailtest-check.prom.$$
307 if $doprom && [[ -e $dir ]]; then
308 for l
in "${p_unexpected_spamd_results[@]}"; do
309 printf "%s\n" "$l" >>$path
311 for l
in "${p_missing_dnswl[@]}"; do
312 printf "%s\n" "$l" >>$path
314 for l
in "${p_last_usec[@]}"; do
315 printf "%s\n" "$l" >>$path
317 mv $path $dir/mailtest-check.prom
318 # note: node_textfile_mtime_seconds will tell us when this last happened. useful for debugging.
323 # When running under systemd, the system just started. Ve nice and
324 # give programs some time to finish their startup.
327 premain_sec
=$EPOCHSECONDS
329 sleep $
(( 300 - ( EPOCHSECONDS
- premain_sec
) ))
334 if [[ $INVOCATION_ID ]]; then