X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=mail-setup;h=08ec7aed2126611e4641cde9924e0dad789e2433;hb=7b33a0e88d9ccdaf8601aa77f9fc597d592b4c10;hp=e12149f114bc06b0b79bc980359cb6dd743f8b8d;hpb=56c55d8e02cdd6ec67d2fe53cc03785d8876442e;p=distro-setup
diff --git a/mail-setup b/mail-setup
index e12149f..08ec7ae 100755
--- a/mail-setup
+++ b/mail-setup
@@ -1,8 +1,83 @@
#!/bin/bash
# * intro
-# Copyright (C) 2019 Ian Kelling
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# Program to install and configure Ian's email related programs
+# Copyright (C) 2024 Ian Kelling
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# todo:
+# on bk (and fsf servers that run multiple exim4 daemons, eg eximfsf2 and eximfsf3),
+# make it so that when exim is restarted due to package upgrades,
+# we also restart those daemons, which can be done like so, based on looking
+# at the prerm and postinst scripts of exim4-daemon-heavy.
+#
+# if [[ ! -e /usr/sbin/invoke-rc.d-diverted ]]; then
+# mv /usr/sbin/invoke-rc.d /usr/sbin/invoke-rc.d-diverted
+# dpkg --divert /usr/sbin/invoke-rc.d-diverted --no-rename /usr/sbin/invoke-rc.d
+# fi
+# /usr/sbin/invoke-rc.d:
+# #!/bin/bash
+# if [[ DPKG_MAINTSCRIPT_PACKAGE == exim4* && $1 == exim4 ]]; then
+# shift
+# ret=0
+# for daemon in exim4 eximfsf2 eximfsf3; do
+# /usr/sbin/invoke-rc.d-diverted $daemon "$@" || ret=$?
+# done
+# else
+# /usr/sbin/invoke-rc.d-diverted "$@"
+# fi
+
+# Things I tend to forget. on MAIL_HOST, daemon runs with /etc/exim4/my.conf,
+# due to /etc/default/exim4 containing:
+# COMMONOPTIONS='-C /etc/exim4/my.conf'
+# UPEX4OPTS='-o /etc/exim4/my.conf'
+#
+# The non-daemon config
+# gets generated from this script calling update-exim4.conf -d /etc/myexim4
+# which has log path
+# log_file_path = /var/log/exim4/my%s
+#
+# On non bk|MAIL_HOST, the config and log file are all standard.
+#
+# eximbackup folder is /bu/md
+# it is cleaned up by mail-backup-clean, which is run by btrbk-run
+
+# shellcheck disable=SC2254 # makes for a lot of unneeded quotes
+
+
+# perusing through /el/mainlog without test messages:
+# &!testignore|jtuttle|
+#
+#&! testignore|jtuttle|eximbackup|/usr/sbin/exim4 -bpu
+
+# todo: this message seems to get dropped on the floor, it was due to a missing 2nd colon in
+# condition = ${if def:h_fdate:}
+# Figure out how to avoid this message being discarded.
+
+# 2023-09-12 01:41:43 [722371] 1qfw9f-0031v9-0S <= ian@iankelling.org U=iank P=local S=483 id=87cyyogd7t.fsf@iankelling.org T="iank2" from for testignore@amnimal.ninja
+# 2023-09-12 01:41:43 [722373] 1qfw9f-0031v9-0S H=nn.b8.nz [10.173.8.2]: SMTP error from remote mail server after pipelined end of data: 451 Temporary local problem - please try later
+# 2023-09-12 01:41:43 [722372] 1qfw9f-0031v9-0S == testignore@amnimal.ninja R=smarthost T=remote_smtp_smarthost defer (-46) H=nn.b8.nz [10.173.8.2] DT=0s: SMTP error from remote mail server after pipelined end of data: 451 Temporary local problem - please try later
+
+# todo: check new macro DKIM_TIMESTAMPS
+
+# todo: check if REMOTE_SMTP_INTERFACE or REMOTE_SMTP_TRANSPORTS_HEADERS_REMOVE can simplify my or fsfs config
+
+# todo: max line length macro changed in t11. look into it
+# todo: check that all macros we use are still valid in t11
# todo: setup an alert for bouncing test emails.
@@ -14,6 +89,9 @@
# todo: handle errors like this:
# Mar 02 12:44:26 kw systemd[1]: exim4.service: Found left-over process 68210 (exim4) in control group while starting unit. Ignoring.
# Mar 02 12:44:26 kw systemd[1]: This usually indicates unclean termination of a previous run, or service implementation deficiencies.
+#eg: on eggs, on may 1st, ps grep for exim, 2 daemons running. 1 leftover from a month ago
+#Debian-+ 1954 1 0 36231 11560 4 Apr02 ? 00:40:25 /usr/sbin/exim4 -bd -q30m
+#Debian-+ 23058 1954 0 36821 10564 0 20:38 ? 00:00:00 /usr/sbin/exim4 -bd -q30m
# todo: harden dovecot. need to do some research. one way is for it to only listen on a wireguard vpn interface, so only clients that are on the vpn can access it.
# todo: consider hardening cups listening on 0.0.0.0
@@ -29,10 +107,6 @@
# todo: run mailping test after running, or otherwise
# clear out terminal alert
-# todo: on bk, dont send email if mailvpn is not up
-
-# todo: mailtest-check should check on bk too
-
# todo: disable postgrey
# todo: in testforward-check, we should also look
@@ -125,12 +199,13 @@ if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
shopt -s nullglob
-if [[ -s /usr/local/lib/err ]]; then
- source /usr/local/lib/err
-elif [[ -s /a/bin/errhandle/err ]]; then
- source /a/bin/errhandle/err
+if [[ -s /usr/local/lib/bash-bear ]]; then
+ source /usr/local/lib/bash-bear
+elif [[ -s /a/bin/bash-bear-trap/bash-bear ]]; then
+ source /a/bin/bash-bear-trap/bash-bear
else
- err "no err tracing script found"
+ echo "no err tracing script found"
+ exit 1
fi
source /a/bin/distro-functions/src/identify-distros
source /a/bin/distro-functions/src/package-manager-abstractions
@@ -181,8 +256,8 @@ fi
#######
-# * perstent password instructions
-# Note: for cert cron, we need to manually run first to accept known_hosts
+# * perstent password instructions Note: for cert cron, we need to
+# manually run first to accept known_hosts
# # exim passwords:
# # for hosts which have all private files I just use the same user
@@ -276,7 +351,7 @@ fi
# * functions & constants
-pre="${0##*/}:"
+pre="${0##*/}:${SSH_CLIENT:+ $HOSTNAME:}"
m() { printf "$pre %s\n" "$*"; "$@"; }
e() { printf "$pre %s\n" "$*"; }
err() { printf "$pre %s\n" "$*" >&2; exit 1; }
@@ -286,20 +361,21 @@ reload=false
if [[ -e /var/local/mail-setup-reload ]]; then
reload=true
fi
-i() { # install file
+u() { # update file. note: duplicated in brc
local tmp tmpdir dest="$1"
local base="${dest##*/}"
local dir="${dest%/*}"
if [[ $dir != "$base" ]]; then
- mkdir -p ${dest%/*}
+ # dest has a directory component
+ mkdir -p "$dir"
fi
- ir=false # i result
+ ur=false # u result
tmpdir=$(mktemp -d)
cat >$tmpdir/"$base"
tmp=$(rsync -ic $tmpdir/"$base" "$dest")
if [[ $tmp ]]; then
printf "%s\n" "$tmp"
- ir=true
+ ur=true
if [[ $dest == /etc/systemd/system/* ]]; then
touch /var/local/mail-setup-reload
reload=true
@@ -321,9 +397,19 @@ soff () {
done
}
sre() {
+ local enabled
for service; do
m systemctl restart $service
- m systemctl enable $service;
+ # Optimization for exim,
+ # is-enabled: 0m0.015s
+ # enable: 0m0.748s
+ # It is related to this message:
+ # exim4.service is not a native service, redirecting to systemd-sysv-install.
+ # Executing: /lib/systemd/systemd-sysv-install enable exim4
+ enabled=$(systemctl is-enabled $service 2>/dev/null ||:)
+ if [[ $enabled != enabled ]]; then
+ m systemctl enable $service
+ fi
done
}
mailhost() {
@@ -347,7 +433,6 @@ stopifactive() {
mxhost=mx.iankelling.org
mxport=587
-forward=$u@$mxhost
# old setup. left as comment for example
# mxhost=mail.messagingengine.com
@@ -426,7 +511,7 @@ fi
# * Mail clean cronjob
-i /etc/systemd/system/mailclean.timer <<'EOF'
+u /etc/systemd/system/mailclean.timer <<'EOF'
[Unit]
Description=Run mailclean daily
@@ -437,7 +522,7 @@ OnCalendar=monthly
WantedBy=timers.target
EOF
-i /etc/systemd/system/mailclean.service <
EOF
-i /etc/fail2ban/jail.d/exim.local <<'EOF'
+u /etc/fail2ban/jail.d/exim.local <<'EOF'
[exim]
enabled = true
port = 25,587
@@ -968,7 +1142,7 @@ banaction = iptables-exim
# 10.173.8.1 = non-nn net
ignoreip = 209.51.188.13 2001:470:142::13 209.51.188.92 2001:470:142:3::10 72.14.176.105 2600:3c00:e000:280::2 10.173.8.1
EOF
-if $ir; then
+if $ur; then
m systemctl restart fail2ban
fi
@@ -1004,10 +1178,8 @@ awk 'BEGIN { FS = ":" } ; $6 ~ /^\/home/ && $7 !~ /\/nologin$/ { print $1 }' /et
esac
done
-if ! grep -q "^ncsoft:" /etc/aliases; then
- echo "ncsoft: graceq2323@gmail.com" |m tee -a /etc/aliases
-fi
+. /a/bin/bash_unpublished/priv-mail-setup
m gpasswd -a iank adm #needed for reading logs
@@ -1076,26 +1248,26 @@ rm -fv /etc/exim4/conf.d/retry/37_retry
cat >/etc/exim4/conf.d/retry/17_retry <<'EOF'
# Retry fast for my own domains
-iankelling.org * F,1d,4m;F,14d,1h
-amnimal.ninja * F,1d,4m;F,14d,1h
-expertpathologyreview.com * F,1d,4m;F,14d,1h
-je.b8.nz * F,1d,4m;F,14d,1h
-zroe.org * F,1d,4m;F,14d,1h
-eximbackup.b8.nz * F,1d,4m;F,14d,1h
+iankelling.org * F,1d,1m;F,14d,1h
+amnimal.ninja * F,1d,1m;F,14d,1h
+expertpathologyreview.com * F,1d,1m;F,14d,1h
+je.b8.nz * F,1d,1m;F,14d,1h
+zroe.org * F,1d,1m;F,14d,1h
+eximbackup.b8.nz * F,1d,1m;F,14d,1h
# The spec says the target domain will be used for temporary host errors,
# but i've found that isn't correct, the hostname is required
# at least sometimes.
-nn.b8.nz * F,1d,4m;F,14d,1h
-defaultnn.b8.nz * F,1d,4m;F,14d,1h
-mx.iankelling.org * F,1d,4m;F,14d,1h
-bk.b8.nz * F,1d,4m;F,14d,1h
-eggs.gnu.org * F,1d,4m;F,14d,1h
-fencepost.gnu.org * F,1d,4m;F,14d,1h
+nn.b8.nz * F,1d,1m;F,14d,1h
+defaultnn.b8.nz * F,1d,1m;F,14d,1h
+mx.iankelling.org * F,1d,1m;F,14d,1h
+bk.b8.nz * F,1d,1m;F,14d,1h
+eggs.gnu.org * F,1d,1m;F,14d,1h
+fencepost.gnu.org * F,1d,1m;F,14d,1h
# afaik our retry doesnt need this, but just using everything
-mx.amnimal.ninja * F,1d,4m;F,14d,1h
-mx.expertpathologyreview.com * F,1d,4m;F,14d,1h
+mx.amnimal.ninja * F,1d,1m;F,14d,1h
+mx.expertpathologyreview.com * F,1d,1m;F,14d,1h
mail.fsf.org * F,1d,15m;F,14d,1h
@@ -1112,11 +1284,21 @@ cat >/etc/exim4/conf.d/main/000_local2 </etc/exim4/conf.d/main/000_local <<'EOF'
MAIN_TLS_ENABLE = true
# require tls connections for all smarthosts
-REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS = *
+REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS = ! nn.b8.nz
+REMOTE_SMTP_SMARTHOST_HOSTS_AVOID_TLS = nn.b8.nz
# debian exim config added this in 2016 or so?
# it's part of the smtp spec, to limit lines to 998 chars
@@ -1128,8 +1310,8 @@ REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS = *
# other says gmail does not reject. figure out and open a new bug.
IGNORE_SMTP_LINE_LENGTH_LIMIT = true
-# more verbose logs
-MAIN_LOG_SELECTOR = +all
+# more verbose logs. used to use +all, but made it less for more efficiency.
+MAIN_LOG_SELECTOR = -skip_delivery -tls_cipher -tls_certificate_verified +all_parents +address_rewrite +arguments +deliver_time +pid +queue_time +queue_time_overall +received_recipients +received_sender +return_path_on_delivery +sender_on_delivery +smtp_confirmation +subject
# Based on spec, seems like a good idea to be nice.
smtp_return_error_details = true
@@ -1146,13 +1328,7 @@ smtp_accept_queue_per_connection = 500
DKIM_CANON = relaxed
DKIM_SELECTOR = li
-# from comments in
-# https://debian-administration.org/article/718/DKIM-signing_outgoing_mail_with_exim4
-# and its best for this to align https://tools.ietf.org/html/rfc7489#page-8
-# There could be some circumstance when the
-# from: isnt our domain, but the envelope sender is
-# and so still want to sign, but I cant think of any case.
-DKIM_DOMAIN = ${lc:${domain:$rh_from:}}
+
# The file is based on the outgoing domain-name in the from-header.
# sign if key exists
DKIM_PRIVATE_KEY = ${if exists{/etc/exim4/${dkim_domain}-private.pem} {/etc/exim4/${dkim_domain}-private.pem}}
@@ -1166,17 +1342,18 @@ DKIM_SIGN_HEADERS = mime-version:in-reply-to:references:from:date:subject:to
domainlist local_hostnames = ! je.b8.nz : ! bk.b8.nz : *.b8.nz : b8.nz
-hostlist iank_trusted = <; \\
+# note: most of these are duplicated in spamassassin config
+hostlist iank_trusted = <; \
# veth0
-10.173.8.1 ; \\
+10.173.8.1 ; \
# li li_ip6
-72.14.176.105 ; 2600:3c00::f03c:91ff:fe6d:baf8 ; \\
+72.14.176.105 ; 2600:3c00::f03c:91ff:fe6d:baf8 ; \
# li_vpn_net li_vpn_net_ip6s
-10.8.0.0/24; 2600:3c00:e000:280::/64 ; 2600:3c00:e002:3800::/56 ; \\
+10.8.0.0/24; 2600:3c00:e000:280::/64 ; 2600:3c00:e002:3800::/56 ; \
# bk bk_ip6
-85.119.83.50 ; 2001:ba8:1f1:f0c9::2 ; \\
+85.119.83.50 ; 2001:ba8:1f1:f0c9::2 ; \
# je je_ipv6
-85.119.82.128 ; 2001:ba8:1f1:f09d::2 ; \\
+85.119.82.128 ; 2001:ba8:1f1:f09d::2 ; \
# fsf_mit_net fsf_mit_net_ip6 fsf_net fsf_net_ip6 fsf_office_net
18.4.89.0/24 ; 2603:3005:71a:2e00::/64 ; 209.51.188.0/24 ; 2001:470:142::/48 ; 74.94.156.208/28
@@ -1192,11 +1369,51 @@ delay_warning_condition = ${if or {\
} {no}{yes}}
+# enable 587 in addition to the default 25, so that
+# i can send mail where port 25 is firewalled by isp
+daemon_smtp_ports = 25 : 587 : 10025
+# default of 25, can get stuck when catching up on mail
+smtp_accept_max = 400
+smtp_accept_reserve = 100
+smtp_reserve_hosts = +iank_trusted
+
+# Rules that make receiving more liberal should be on backup hosts
+# so that we dont reject mail accepted by MAIL_HOST
+LOCAL_DENY_EXCEPTIONS_LOCAL_ACL_FILE = /etc/exim4/conf.d/local_deny_exceptions_acl
+
+acl_not_smtp = acl_check_not_smtp
+
+
+DEBBUGS_DOMAIN = b.b8.nz
+
+EOF
+
+if dpkg --compare-versions "$(dpkg-query -f='${Version}\n' --show exim4)" ge 4.94; then
+ cat >>/etc/exim4/conf.d/main/000_local <<'EOF'
+# In t11, we cant do the old anymore because this is tainted data used in a file lookup.
+# /usr/share/doc/exim4/NEWS.Debian.gz suggests to use lookups to untaint data.
+DKIM_DOMAIN = ${lookup {${domain:$rh_from:}}lsearch,ret=key{/etc/exim4/conf.d/my-dkim-domains}}
+EOF
+else
+ cat >>/etc/exim4/conf.d/main/000_local <<'EOF'
+# From comments in
+# https://debian-administration.org/article/718/DKIM-signing_outgoing_mail_with_exim4
+# and its best for this to align https://tools.ietf.org/html/rfc7489#page-8
+# There could be some circumstance when the
+# from: isnt our domain, but the envelope sender is
+# and so still want to sign, but I cant think of any case.
+DKIM_DOMAIN = ${lc:${domain:$rh_from:}}
+EOF
+fi
+
+cat >/etc/exim4/conf.d/main/30_local < {$max_received_linelength}{998} {1}{0}}
-.endif
+ message_linelength_limit = 2097152
.ifdef REMOTE_SMTP_HOSTS_AVOID_TLS
hosts_avoid_tls = REMOTE_SMTP_HOSTS_AVOID_TLS
.endif
@@ -1339,16 +1784,14 @@ tls_privatekey = REMOTE_SMTP_PRIVATEKEY
interface = <; 10.8.0.4 ; 2600:3c00:e002:3800::4
EOF
-i /etc/exim4/conf.d/transport/30_smarthost_dkim <<'EOF'
+u /etc/exim4/conf.d/transport/30_smarthost_dkim <<'EOF'
# ian: this is remote_smtp_smarthost plus the dkim parts from remote_smtp
smarthost_dkim:
debug_print = "T: remote_smtp_smarthost for $local_part@$domain"
driver = smtp
+ message_linelength_limit = 2097152
multi_domain
-.ifndef IGNORE_SMTP_LINE_LENGTH_LIMIT
- message_size_limit = ${if > {$max_received_linelength}{998} {1}{0}}
-.endif
hosts_try_auth = <; ${if exists{CONFDIR/passwd.client} \
{\
${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$host_address}}\
@@ -1412,7 +1855,6 @@ EOF
cat >/etc/exim4/update-exim4.conf.conf <<'EOF'
# default stuff, i havent checked if its needed
dc_minimaldns='false'
-dc_relay_nets=''
CFILEMODE='644'
dc_use_split_config='true'
dc_mailname_in_oh='true'
@@ -1436,16 +1878,17 @@ if mailhost; then
# in the log it just says "Starting Radicale". If you run
# it in the foreground, it will give more info. Background
# plus debug does not help.
- # sudo -u radicale radicale -D -f
+ # sudo -u radicale radicale -D
- # created password file with:
- # htpasswd -c /p/c/machine_specific/li/filesystem/etc/caldav-htpasswd
+ # created radicale password file with:
+ # htpasswd -c /p/c/machine_specific/li/filesystem/etc/caldav-htpasswd ian
# chmod 640 /p/c/machine_specific/li/filesystem/etc/caldav-htpasswd
# # setup chgrp www-data in ./conflink
pi-nostart radicale
+ m usermod -a -G radicale iank
- i /etc/systemd/system/radicale.service.d/override.conf <>/etc/dovecot/local.conf <: Fatal: master: service(lmtp): child 3839880 returned error 83 (Out of memory (service lmtp { vsz_limit=256 MB }, you may need to increase it) - set CORE_OUTOFMEM=1 environment to get core dump)
+# exim would just queue mail until it eventually succeeded.
+# Deciding what to increase it to, I found this
+# https://dovecot.org/list/dovecot/2011-December/080056.html
+# which suggests 3x the largest dovecot.index.cache file
+# and then I found that
+# md/l/testignore/dovecot.index.cache is 429M, my largest cache file,
+# but that folder only has 2k messages.
+# next biggest is md/l/qemu-devel/dovecot.index.cache 236M
+# which lead to me a search https://doc.dovecot.org/admin_manual/known_issues/large_cache/
+# which suggests 1.5x the maximum cache file size 1G, and
+# that I can safely rm the indix
+
+default_vsz_limit = 1500M
+
# simple password file based login
!include conf.d/auth-passwdfile.conf.ext
@@ -1764,7 +2225,7 @@ namespace inbox {
auth_mechanisms = plain login
EOF
- i /etc/dovecot/sieve-spam.sieve <<'EOF'
+ u /etc/dovecot/sieve-spam.sieve <<'EOF'
require ["regex", "fileinto", "imap4flags"];
if allof (header :regex "X-Spam-Status" "^Yes") {
@@ -1773,7 +2234,7 @@ if allof (header :regex "X-Spam-Status" "^Yes") {
}
EOF
- i /etc/dovecot/local.conf.ext <<'EOF'
+ u /etc/dovecot/local.conf.ext <<'EOF'
passdb {
driver = sql
args = /etc/dovecot/dovecot-sql.conf.ext
@@ -1785,7 +2246,7 @@ userdb {
EOF
- i /etc/dovecot/dovecot-sql.conf.ext <<'EOF'
+ u /etc/dovecot/dovecot-sql.conf.ext <<'EOF'
# from mailinabox
driver = sqlite
# for je and bk, populated the testignore users for the relevant domains
@@ -1840,7 +2301,7 @@ if [[ $HOSTNAME == bk ]]; then
dir=/var/www/autoconfig.$domain/html/mail
m mkdir -p $dir
# taken from mailinabox
- i $dir/config-v1.1.xml <
@@ -1898,27 +2359,28 @@ if [[ $HOSTNAME == bk ]]; then
### begin composer install
# https://getcomposer.org/doc/faqs/how-to-install-composer-programmatically.md
- # cd $(mktemp -d)
- # sum="$(wget -q -O - https://composer.github.io/installer.sig)"
- # m php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
- # if [[ $sum != $(php -r "echo hash_file('sha384', 'composer-setup.php');") ]]; then
- # echo 'ERROR: Invalid composer installer checksum' >&2
- # rm -fv composer-setup.php
- # exit 1
- # fi
- # m php composer-setup.php --quiet
- # rm -fv composer-setup.php
- # m mv composer.phar /usr/local/bin
-
- # the above method gets composer2, carddav plugin at least doesnt work with that
- # yet, it was just released 10-24-2020.
- m cd /usr/local/bin
- m wget -nv -N https://getcomposer.org/composer-1.phar
- chmod +x composer-1.phar
+ cd /usr/local/bin
+ EXPECTED_CHECKSUM="$(php -r 'copy("https://composer.github.io/installer.sig", "php://stdout");')"
+ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+ ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"
+
+ if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
+ then
+ >&2 echo 'ERROR: Invalid installer checksum'
+ rm composer-setup.php
+ exit 1
+ fi
+
+ php composer-setup.php --quiet
+ rm composer-setup.php
+
+ # based on error when running composer
+ mkdir -p /var/www/.composer
+ chown www-data:www-data /var/www/.composer
+
### end composer install
rcdirs=(/usr/local/lib/rcexpertpath /usr/local/lib/rcninja)
- ncdirs=(/var/www/ncninja)
ncdirs=(/var/www/ncexpertpath /var/www/ncninja)
# point debian cronjob to our local install, preventing daily cron error
@@ -1952,7 +2414,7 @@ if [[ $HOSTNAME == bk ]]; then
ncdir=${ncdirs[i]}
# copied from debians cronjob
- i /etc/cron.d/$rcbase </dev/null
@@ -2012,7 +2474,7 @@ EOF
rctmpdir=/var/tmp/$rcbase
rcdb=/m/rc/$rcbase.sqlite
# config from mailinabox
- i $rcdir/config/config.inc.php <$verf
@@ -2107,7 +2569,7 @@ EOF
# About categories, see https://www.davx5.com/tested-with/nextcloud
# https://github.com/blind-coder/rcmcarddav/blob/master/doc/GROUPS.md
- i $rcdir/plugins/carddav/config.inc.php <tmp.php <$myncdir/tmp.php <config.php
- m rm -f tmp.php
- m sudo -u www-data php $ncdir/occ maintenance:update:htaccess
+ e running php $myncdir/tmp.php
+ # note: we leave it around place for debugging
+ # shellcheck disable=SC2024 # intended
+ sudo -u www-data php $myncdir/tmp.php >config.php
+ fi
+ cd $ncdir
+ m sudo -u www-data php occ maintenance:update:htaccess
list=$(sudo -u www-data php $ncdir/occ --output=json_pretty app:list)
# user_external not compaible with nc 23
for app in contacts calendar; do
if [[ $(printf "%s\n" "$list"| jq ".enabled.$app") == null ]]; then
- m sudo -u www-data php $ncdir/occ app:install $app
+ cd $ncdir
+ m sudo -u www-data php occ app:install $app
fi
done
- i /etc/systemd/system/$ncbase.service <&2; exit 1; fi
-shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
-ncbase=$1
-if ! php /var/www/$ncbase/updater/updater.phar -n; then
+source /usr/local/lib/bash-bear
+
+m() { printf "%s\n" "$*"; "$@"; }
+err-cleanup() {
echo failed nextcloud update for $ncbase >&2
- /sbin/exim -t <
+ Options Indexes SymLinksIfOwnerMatch MultiViews
+ DirectoryIndex index.html
+ Require all granted
+
+
+ScriptAlias /cgi/ /var/lib/debbugs/www/cgi/
+
+ AllowOverride None
+ Options ExecCGI SymLinksIfOwnerMatch
+ Require all granted
+
+
+RewriteEngine on
+RewriteCond %{HTTP_USER_AGENT} .*apt-listbugs.*
+RewriteRule .* /apt-listbugs.html [R,L]
+
+# RewriteLog /org/bugs.debian.org/apache-rewrite.log
+# RewriteLogLevel 0
+
+#RewriteRule ^/$ http://www.debian.org/Bugs/
+RewriteRule ^/(robots\.txt|release-critical|apt-listbugs\.html)$ - [L]
+# The following two redirect to up-to-date pages
+RewriteRule ^/[[:space:]]*#?([[:digit:]][[:digit:]][[:digit:]]+)([;&].+)?$ /cgi-bin/bugreport.cgi?bug=$1$2 [L,R,NE]
+RewriteRule ^/([^/+]*)([+])([^/]*)$ "/$1%%{%}2B$3" [N]
+RewriteRule ^/[Ff][Rr][Oo][Mm]:([^/]+\@.+)$ /cgi-bin/pkgreport.cgi?submitter=$1 [PT,NE]
+# Commented out, 'cuz aj says it will crash master. (old master)
+# RewriteRule ^/[Ss][Ee][Vv][Ee][Rr][Ii][Tt][Yy]:([^/]+\@.+)$ /cgi-bin/pkgreport.cgi?severity=$1 [L,R]
+RewriteRule ^/([^/]+\@.+)$ /cgi-bin/pkgreport.cgi?maint=$1 [PT,NE]
+RewriteRule ^/mbox:([[:digit:]][[:digit:]][[:digit:]]+)([;&].+)?$ /cgi-bin/bugreport.cgi?mbox=yes&bug=$1$2 [PT,NE]
+RewriteRule ^/src:([^/]+)$ /cgi-bin/pkgreport.cgi?src=$1 [PT,NE]
+RewriteRule ^/severity:([^/]+)$ /cgi-bin/pkgreport.cgi?severity=$1 [PT,NE]
+RewriteRule ^/tag:([^/]+)$ /cgi-bin/pkgreport.cgi?tag=$1 [PT,NE]
+# RewriteMap fix-chars int:noescape
+RewriteCond %{REQUEST_URI} ^/(Access\.html|Developer\.html|Reporting\.html|server-request\.html|server-control\.html|server-refcard\.html).* [NC]
+RewriteRule .* - [L]
+# PT|passthrough to bugreport.cgi and pkgreport.cgi
+RewriteRule ^/([0-9]+)$ /cgi-bin/bugreport.cgi?bug=$1 [PT,NE]
+RewriteRule ^/([^/]+)$ /cgi-bin/pkgreport.cgi?pkg=$1 [PT,NE]
+EOF
+
+
# * exim host conditional config
# ** exim certs
@@ -2372,7 +2932,7 @@ deny
domains = +local_domains
!verify = recipient/callout=no_cache
EOF
- i /etc/exim4/conf.d/auth/29_exim4-config_auth <<'EOF'
+ u /etc/exim4/conf.d/auth/29_exim4-config_auth <<'EOF'
dovecot_plain:
driver = dovecot
public_name = PLAIN
@@ -2382,7 +2942,7 @@ EOF
;;
esac
if $bhost_t; then
- i /etc/exim4/conf.d/auth/29_exim4-config_auth <<'EOF'
+ u /etc/exim4/conf.d/auth/29_exim4-config_auth <<'EOF'
# from 30_exim4-config_examples
plain_server:
driver = plaintext
@@ -2402,24 +2962,33 @@ case $HOSTNAME in
# to see the default comments in /etc/default/exim4:
# s update-exim4defaults --force --init
# which will overwrite any existing file
- i /etc/default/exim4 <<'EOF'
+ u /etc/default/exim4 <<'EOF'
QUEUERUNNER='combined'
-QUEUEINTERVAL='30m'
+# note: this is duplicated in brc2, 10m here is -q10m there.
+QUEUEINTERVAL='10m'
COMMONOPTIONS='-C /etc/exim4/my.conf'
UPEX4OPTS='-o /etc/exim4/my.conf'
# i use epanic-clean for alerting if there are bad paniclog entries
E4BCD_WATCH_PANICLOG='no'
EOF
+ # make exim be a nonroot setuid program.
chown Debian-exim:Debian-exim /usr/sbin/exim4
# needs guid set in order to become Debian-exim
chmod g+s,u+s /usr/sbin/exim4
- i /etc/exim4/trusted_configs <<'EOF'
+ # need this to avoid error on service reload:
+ # 2022-08-07 18:44:34.005 [892491] pid 892491: SIGHUP received: re-exec daemon
+ # 2022-08-07 18:44:34.036 [892491] cwd=/var/spool/exim4 5 args: /usr/sbin/exim4 -bd -q30m -C /etc/exim4/my.conf
+ # 2022-08-07 18:44:34.043 [892491] socket bind() to port 25 for address (any IPv6) failed: Permission denied: waiting 30s before trying again (9 more tries)
+ # note: the daemon gives up and dies after retrying those 9 times.
+ # I came upon this by guessing and trial and error.
+ setcap CAP_NET_BIND_SERVICE+ei /usr/sbin/exim4
+ u /etc/exim4/trusted_configs <<'EOF'
/etc/exim4/my.conf
EOF
;;
*)
# default file
- i /etc/default/exim4 <<'EOF'
+ u /etc/default/exim4 <<'EOF'
QUEUERUNNER='combined'
QUEUEINTERVAL='30m'
EOF
@@ -2440,7 +3009,7 @@ case $HOSTNAME in
dirs+=($d)
fi
done
- i /etc/systemd/system/exim4.service.d/nonroot.conf <>/etc/exim4/update-exim4.conf.conf <>/etc/exim4/conf.d/main/000_local <>/etc/exim4/update-exim4.conf.conf <> /etc/exim4/conf.d/data_local_acl <<'EOF'
-deny
- malware = */defer_ok
- !condition = ${if match {$malware_name}{\N^Heuristic\N}}
- message = This message was detected as possible malware ($malware_name).
-EOF
cat >/etc/exim4/conf.d/main/000_local-nn < {$max_received_linelength}{998} {1}{0}}
-.endif
- hosts_require_auth = *
- hosts_try_auth = *
- envelope_to_add
- # manual return path because we want it to be the envelope sender
- # we got not the one we are using in this smtp transport
- headers_add = "Return-path: $sender_address"
-.ifdef REMOTE_SMTP_SMARTHOST_HOSTS_AVOID_TLS
- hosts_avoid_tls = REMOTE_SMTP_SMARTHOST_HOSTS_AVOID_TLS
-.endif
-.ifdef REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS
- hosts_require_tls = REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS
-.endif
-.ifdef REMOTE_SMTP_SMARTHOST_TLS_VERIFY_CERTIFICATES
- tls_verify_certificates = REMOTE_SMTP_SMARTHOST_TLS_VERIFY_CERTIFICATES
-.endif
-.ifdef REMOTE_SMTP_SMARTHOST_TLS_VERIFY_HOSTS
- tls_verify_hosts = REMOTE_SMTP_SMARTHOST_TLS_VERIFY_HOST
-.endif
-.ifdef REMOTE_SMTP_HEADERS_REWRITE
- headers_rewrite = REMOTE_SMTP_HEADERS_REWRITE
-.endif
-.ifdef REMOTE_SMTP_HELO_DATA
- helo_data=REMOTE_SMTP_HELO_DATA
-.endif
-.ifdef TLS_DH_MIN_BITS
-tls_dh_min_bits = TLS_DH_MIN_BITS
-.endif
-.ifdef REMOTE_SMTP_SMARTHOST_TLS_CERTIFICATE
-tls_certificate = REMOTE_SMTP_SMARTHOST_TLS_CERTIFICATE
-.endif
-.ifdef REMOTE_SMTP_SMARTHOST_PRIVATEKEY
-tls_privatekey = REMOTE_SMTP_SMARTHOST_PRIVATEKEY
-.endif
-.ifdef REMOTE_SMTP_TRANSPORTS_HEADERS_REMOVE
- headers_remove = REMOTE_SMTP_TRANSPORTS_HEADERS_REMOVE
-.endif
-EOF
-
- # this avoids some error. i cant remember what. todo:
- # test it out and document why/if its needed.
- # i /etc/exim4/host_local_deny_exceptions <<'EOF'
- # mail.fsf.org
- # *.posteo.de
- # EOF
+ # This allows for forwarded mail to not get most rcpt checks, especially SPF,
+ # which would incorrectly get denied.
+ u /etc/exim4/host_local_deny_exceptions <<'EOF'
+mail.fsf.org
+*.posteo.de
+EOF
# cron email from smarthost hosts will automatically be to
# USER@FQDN. I redirect that to alerts@, on the smarthosts, but in
# case that doesn't work, we still want to accept that mail, but not
# from any host except the smarthosts. local_hostnames and this rule
# is for that purpose.
- i /etc/exim4/conf.d/rcpt_local_acl <<'EOF'
+ u /etc/exim4/conf.d/rcpt_local_acl <<'EOF'
deny
!authenticated = *
domains = +local_hostnames
message = no relay
+
+# for testing bounce behavior
+#deny
+# senders = testlist-bounces+test=zroe.org@fsf.org
+# message = iank-bounce
EOF
- echo|i /etc/exim4/conf.d/router/880_universal_forward
+ echo|u /etc/exim4/conf.d/router/880_universal_forward
cat >>/etc/exim4/conf.d/main/000_local <>/etc/exim4/conf.d/main/000_local <> /etc/exim4/conf.d/data_local_acl <<'EOF'
+deny
+ malware = */defer_ok
+ !condition = ${if match {$malware_name}{\N^Heuristic\N}}
+ message = This message was detected as possible malware ($malware_name).
+
+warn
+ !hosts = +iank_trusted
+ !authenticated = *
+ condition = ${if def:malware_name}
+ remove_header = Subject:
+ add_header = Subject: [Clamav warning: $malware_name] $h_subject
+ log_message = heuristic malware warning: $malware_name
+
+warn
+ # fdate = future date. # tdate = temporary date.
+ condition = ${if def:h_fdate}
+ remove_header = fdate:
+ add_header = tdate:
+ control = freeze
+EOF
+
/a/exe/cedit nn /etc/hosts <<'EOF' || [[ $? == 1 ]]
10.173.8.2 nn.b8.nz
EOF
- sed -r -f - /etc/init.d/exim4 <<'EOF' | i /etc/init.d/exim4in
+ sed -r -f - /etc/init.d/exim4 <<'EOF' |u /etc/init.d/exim4in
s,/etc/default/exim4,/etc/default/exim4in,g
s,/run/exim4/exim.pid,/run/exim4/eximin.pid,g
s,(^[ #]*Provides:).*,\1 exim4in,
s,(^[ #]*NAME=).*,\1"exim4in",
EOF
chmod +x /etc/init.d/exim4in
- i /etc/systemd/system/exim4in.service.d/alwaysrestart.conf <<'EOF'
+ u /etc/systemd/system/exim4in.service.d/alwaysrestart.conf <<'EOF'
[Unit]
# needed to continually restart
StartLimitIntervalSec=0
@@ -2825,7 +3435,7 @@ Restart=always
RestartSec=20
EOF
- i /etc/default/exim4in <<'EOF'
+ u /etc/default/exim4in <<'EOF'
# defaults but no queue runner and alternate config dir
QUEUERUNNER='no'
COMMONOPTIONS='-oP /run/exim4/eximin.pid'
@@ -2845,22 +3455,30 @@ EOF
cat >>/etc/exim4/update-exim4.conf.conf <>/etc/exim4/update-exim4.conf.conf <>/etc/exim4/update-exim4.conf.conf <>/etc/myexim4/conf.d/main/000_local-nn <<'EOF'
+ # config for the non-nn exim. note, it uses not default dir, but we
+ # generate that into the default config file
+ m rsync -ra --delete --delete-excluded \
+ --exclude=/conf.d/router/161_backup_redir_nn \
+ --exclude=/conf.d/router/186_sentarchive_nn \
+ --exclude=/conf.d/main/000_local-nn /etc/exim4/ /etc/myexim4
+ cat >>/etc/myexim4/conf.d/main/000_local <<'EOF'
# this makes it easier to see which exim is doing what
log_file_path = /var/log/exim4/my%s
EOF
+
+
cat >/etc/logrotate.d/myexim <<'EOF'
/var/log/exim4/mymain /var/log/exim4/myreject {
daily
@@ -3014,11 +3638,39 @@ EOF
bk)
# config for the non-nn exim
- cat >/etc/myexim4/conf.d/main/000_local-nn <<'EOF'
+ cat >>/etc/myexim4/conf.d/main/000_local <<'EOF'
MAIN_HARDCODE_PRIMARY_HOSTNAME = mail2.iankelling.org
EOF
;;
$MAIL_HOST)
+
+
+ u /etc/myexim4/conf.d/router/185_sentarchive <<'EOF'
+sentarchive:
+ driver = redirect
+ domains = ! +local_domains
+ senders = <; *@fsf.org ; *@posteo.net
+ condition = ${if and {{!bool{${lookup{$local_part@$domain}lsearch{/etc/exim4/ignore-sent}{true}}}} {!match {$h_user-agent:}{emacs}}}}
+ data = vojdedIdNejyebni@b8.nz
+ unseen
+EOF
+
+ u /etc/myexim4/conf.d/router/160_backup_redir <<'EOF'
+backup_redir:
+ driver = redirect
+ # i dont email myself from my own machine much, so lets ignore that.
+ domains = ! +local_domains
+ senders = <; *@fsf.org ; *@posteo.net
+ condition = ${if and {{!bool{${lookup{$local_part@$domain}lsearch{/etc/exim4/ignore-sent}{true}}}} {!match {$h_user-agent:}{emacs}}}}
+ # b is just an arbirary short string
+ data = b@eximbackup.b8.nz
+ # note, to test this, i could temporarily allow testignore.
+ # alerts avoids potential mail loop.
+ local_parts = ! root : ! testignore : ! alerts : ! daylert
+ unseen = true
+ errors_to = alerts@iankelling.org
+EOF
+
# for bk, we have a exim4in.service that will do this for us.
m update-exim4.conf -d /etc/myexim4
;;
@@ -3042,7 +3694,7 @@ if [[ -e /nocow ]]; then
if ! grep -Fx "/nocow/exim4 /var/spool/exim4 none bind 0 0" /etc/fstab; then
echo "/nocow/exim4 /var/spool/exim4 none bind 0 0" >>/etc/fstab
fi
- i /etc/systemd/system/exim4.service.d/override.conf <<'EOF'
+ u /etc/systemd/system/exim4.service.d/override.conf <<'EOF'
[Unit]
# without local-fs on exim, we get these kind of errors in paniclog on shutdown:
# Failed to create spool file /var/spool/exim4//input//1jCLxz-0008V4-V9-D: Permission denied
@@ -3088,6 +3740,25 @@ elif [[ $uid != 608 ]]; then
m find / /nocow -xdev -path ./var/tmp -prune -o -gid $gid -execdir chgrp -h 608 {} +
fi
+
+# note: example config has a debbugs user,
+# but my exim runs setuid as Debian-exim so it can't switch
+# to another user. Anyways, I'm not exposing this to the
+# internet at this time. If I do, the thing to do would
+# be to use a sudo config (or sudo alternative). This
+# would be how to setup
+
+# IFS=:; read -r _ _ uid _ < <(getent passwd debbugs||:) ||:; unset IFS
+# if [[ ! $uid ]]; then
+# # /a/opt/debbugs/debian/README.mail
+# adduser --uid 610 --system --group --home /o/debbugs \
+# --no-create-home --disabled-login --force-badname debbugs
+# m find /o/debbugs -xdev -path ./var/tmp -prune -o -uid $uid -execdir chown -h 610 {} +
+# m find /o/debbugs -xdev -path ./var/tmp -prune -o -gid $gid -execdir chgrp -h 610 {} +
+# elif [[ $uid != 610 ]]; then
+# err debbugs exist but is not uid 610: investigate
+# fi
+
# * start / stop services
reifactive dnsmasq nscd
@@ -3096,8 +3767,20 @@ if $reload; then
m systemctl daemon-reload
fi
-sysd-prom-fail-install epanicclean
-m systemctl --now enable epanicclean
+# optimization, this only needs to run once.
+if [[ ! -e /sys/class/net/wghole ]]; then
+ # checking bhost_t is redundant, but could help us catch errors.
+ if $bhost_t || [[ -e /etc/wireguard/wghole.conf ]]; then
+ # todo: in mail-setup, we have a static list of backup hosts, not *y
+ m systemctl --now enable wg-quick@wghole
+ fi
+fi
+
+# optimization, this only needs to be run once
+if [[ ! -e /var/lib/prometheus/node-exporter/exim_paniclog.prom ]]; then
+ sysd-prom-fail-install epanicclean
+ m systemctl --now enable epanicclean
+fi
case $HOSTNAME in
je)
@@ -3108,8 +3791,11 @@ case $HOSTNAME in
;;
esac
-m /a/bin/ds/mail-cert-cron -1
-sre mailcert.timer
+# optimization, this only needs to run once.
+if [[ ! -e /etc/exim4/fullchain.pem ]]; then
+ m /a/bin/ds/mail-cert-cron -1
+ m systemctl --now enable mailcert.timer
+fi
case $HOSTNAME in
$MAIL_HOST|bk)
@@ -3131,6 +3817,8 @@ case $HOSTNAME in
else
m systemctl --now enable $vpnser
fi
+ ;;&
+ bk)
if ! systemctl is-active clamav-daemon >/dev/null; then
m systemctl --now enable clamav-daemon
out=$(rsync -aiSAX --chown=root:root --chmod=g-s /a/bin/ds/filesystem/etc/systemd/system/epanicclean.service /etc/systemd/system)
@@ -3146,20 +3834,29 @@ case $HOSTNAME in
$MAIL_HOST|bk|je)
# start spamassassin/dovecot before exim.
sre dovecot spamassassin
- # need to wait a bit before restarting exim, else I
- # get a paniclog entry like: spam acl condition: all spamd servers failed
- sleep 3
+ # Wait a bit before restarting exim, else I get a paniclog entry
+ # like: spam acl condition: all spamd servers failed. But I'm tired
+ # of waiting. I'll deal with this some other way.
+ #
+ # sleep 3
m systemctl --now enable mailclean.timer
;;&
$MAIL_HOST)
# < 2.1 (eg: in t9), uses a different data format which required manual
# migration. dont start if we are running an old version.
- if dpkg --compare-versions $(dpkg -s radicale | awk '$1 == "Version:" { print $2 }') ge 2.1; then
+ if dpkg --compare-versions "$(dpkg -s radicale | awk '$1 == "Version:" { print $2 }')" ge 2.1; then
m systemctl --now enable radicale
fi
;;&
esac
+# for debugging dns issues
+case $HOSTNAME in
+ je|bk)
+ systemctl enable --now logrotate-fast.timer
+ ;;
+esac
+
# last use of $reload happens in previous block
rm -f /var/local/mail-setup-reload
@@ -3200,14 +3897,12 @@ case $HOSTNAME in
# note: cronjob "ian" also does some important monitoring
# todo: this will sometimes cause an alert because mailtest-check will run
# before we have setup network namespace and spamassassin
- cat >/etc/cron.d/mailtest </etc/systemd/system/mailtest-check.service <<'EOF'
+ u /etc/systemd/system/mailtest-check.service <<'EOF'
[Unit]
Description=mailtest-check
After=local-fs.target
@@ -3238,7 +3933,8 @@ EOF
test_tos=(testignore@expertpathologyreview.com testignore@je.b8.nz testignore@amnimal.ninja jtuttle@gnu.org)
cat >>/etc/cron.d/mailtest <> /etc/exim4/ignore-sent
- done
+ # Plus addresses we generally want to ignore.
+ u /etc/exim4/ignore-sent </usr/local/bin/send-test-forward <<'EOF'
#!/bin/bash
@@ -3281,6 +3979,9 @@ EOF
test_to=${test_tos[0]}
for t in ${test_tos[@]:1}; do
+ if [[ $test_from == *@gnu.org && $t == *@gnu.org ]]; then
+ continue
+ fi
test_to+=", $t"
done
case $test_from in
@@ -3290,7 +3991,7 @@ EOF
esac
cat >>/usr/local/bin/send-test-forward <