summaryrefslogtreecommitdiff
blob: ed53bca56fae2be45c834506b279a9473dacf830 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: qmail.eclass
# @MAINTAINER:
# Rolf Eike Beer <eike@sf-mail.de>
# @SUPPORTED_EAPIS: 6 7 8
# @BLURB: common qmail functions

case ${EAPI:-0} in
	[678]) ;;
	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac

if [[ -z ${_QMAIL_ECLASS} ]] ; then
_QMAIL_ECLASS=1

inherit flag-o-matic toolchain-funcs fixheadtails

# hardcoded paths
QMAIL_HOME="/var/qmail"
TCPRULES_DIR="/etc/tcprules.d"
SUPERVISE_DIR="/var/qmail/supervise"

# source files and directories
GENQMAIL_F=genqmail-${GENQMAIL_PV}.tar.bz2
GENQMAIL_S="${WORKDIR}"/genqmail-${GENQMAIL_PV}

QMAIL_SPP_F=qmail-spp-${QMAIL_SPP_PV}.tar.gz
QMAIL_SPP_S="${WORKDIR}"/qmail-spp-${QMAIL_SPP_PV}

# @FUNCTION: is_prime
# @USAGE: <number>
# @DESCRIPTION:
# Checks wether a number is a valid prime number for queue split
is_prime() {
	local number=${1} i

	if [[ ${number} -lt 7 ]]; then
		# too small
		return 1
	fi

	if [[ $[number % 2] == 0 ]]; then
		return 1
	fi

	# let i run up to the square root of number
	for ((i = 3; i * i <= number; i += 2))
	do
		if [[ $[number % i ] == 0 ]]; then
			return 1
		fi
	done

	return 0
}

dospp() {
	exeinto "${QMAIL_HOME}"/plugins/
	newexe ${1} ${2:-$(basename ${1})}
}

# @FUNCTION: dosupervise
# @USAGE: <service> [<runfile> <logfile>]
# @DESCRIPTION:
# Install runfiles for services and logging to supervise directory
dosupervise() {
	local service=$1
	local runfile=${2:-${service}} logfile=${3:-${service}-log}
	[[ -z "${service}" ]] && die "no service given"

	dodir ${SUPERVISE_DIR}/${service}{,/log}
	fperms +t ${SUPERVISE_DIR}/${service}{,/log}

	exeinto ${SUPERVISE_DIR}/${service}
	newexe ${runfile} run

	exeinto ${SUPERVISE_DIR}/${service}/log
	newexe ${logfile} run
}

# @FUNCTION: qmail_set_cc
# @DESCRIPTION:
# The following commands patch the conf-{cc,ld} files to use the user's
# specified CFLAGS and LDFLAGS. These rather complex commands are needed
# because a user supplied patch might apply changes to these files, too.
# See bug #165981.
qmail_set_cc() {
	local cc=$(head -n 1 ./conf-cc | sed -e "s#^g\?cc\s\+\(-O2\)\?#$(tc-getCC) #")
	local ld=$(head -n 1 ./conf-ld | sed -e "s#^g\?cc\s\+\(-s\)\?#$(tc-getCC) #")

	echo "${cc} ${CFLAGS} ${CPPFLAGS}"  > ./conf-cc || die 'Patching conf-cc failed.'
	echo "${ld} ${LDFLAGS}" > ./conf-ld || die 'Patching conf-ld failed.'
	sed -e "s#'ar #'$(tc-getAR) #" -e "s#'ranlib #'$(tc-getRANLIB) #" -i make-makelib.sh
}

genqmail_src_unpack() {
	cd "${WORKDIR}"
	[[ -n ${GENQMAIL_PV} ]] && unpack "${GENQMAIL_F}"
}

qmail_spp_src_unpack() {
	cd "${WORKDIR}"
	[[ -n ${QMAIL_SPP_PV} ]] && unpack "${QMAIL_SPP_F}"
}

# @FUNCTION: qmail_src_postunpack
# @DESCRIPTION:
# Unpack common config files, and set built configuration (CFLAGS, LDFLAGS, etc)
qmail_src_postunpack() {
	cd "${S}"

	qmail_set_cc

	mysplit=${QMAIL_CONF_SPLIT:-23}
	is_prime ${mysplit} || die "QMAIL_CONF_SPLIT is not a prime number."
	einfo "Using conf-split value of ${mysplit}."
	echo -n ${mysplit} > "${S}"/conf-split
}

qmail_src_compile() {
	cd "${S}"
	emake it man "$@" || die "make failed"
}

qmail_spp_src_compile() {
	cd "${GENQMAIL_S}"/spp/
	emake || die "make spp failed"
}

qmail_base_install() {
	# subshell to not leak the install options
	(
	einfo "Setting up basic directory hierarchy"
	diropts -o 0 -g qmail
	dodir "${QMAIL_HOME}"/bin
	keepdir "${QMAIL_HOME}"/{control,users}
	diropts -o alias -g qmail
	keepdir "${QMAIL_HOME}"/alias

	einfo "Adding env.d entry for qmail"
	doenvd "${GENQMAIL_S}"/conf/99qmail

	einfo "Installing all qmail software"
	exeinto "${QMAIL_HOME}"/bin

	exeopts -o 0 -g qmail
	doexe bouncesaying condredirect config-fast datemail except forward maildir2mbox \
		maildirmake mailsubj predate preline qbiff \
		qmail-{inject,qmqpc,qmqpd,qmtpd,qread,qstat,smtpd,tcpok,tcpto,showctl} \
		qreceipt sendmail tcp-env

	# obsolete tools, install if they are still present
	for i in elq maildirwatch pinq qail qsmhook; do
		[[ -x ${i} ]] && doexe ${i}
	done

	use pop3 && doexe qmail-pop3d

	exeopts -o 0 -g qmail -m 711
	doexe qmail-{clean,getpw,local,pw2u,remote,rspawn,send} splogger
	use pop3 && doexe qmail-popup

	exeopts -o 0 -g qmail -m 700
	doexe qmail-{lspawn,newmrh,newu,start}

	exeopts -o qmailq -g qmail -m 4711
	doexe qmail-queue

	)
}

qmail_config_install() {
	einfo "Installing stock configuration files"
	insinto "${QMAIL_HOME}"/control
	doins "${GENQMAIL_S}"/control/{conf-*,defaultdelivery}

	einfo "Installing configuration sanity checker and launcher"
	insinto "${QMAIL_HOME}"/bin
	doins "${GENQMAIL_S}"/control/qmail-config-system
}

qmail_man_install() {
	einfo "Installing manpages and documentation"

	into /usr
	doman *.[1578]
	dodoc BLURB* INSTALL* PIC* README* REMOVE* \
		SENDMAIL* TEST* THANKS* VERSION*
	# notqmail converted the files to markdown
	if [ -f CHANGES ]; then
		dodoc CHANGES FAQ SECURITY THOUGHTS UPGRADE
	else
		dodoc CHANGES.md FAQ.md SECURITY.md THOUGHTS.md UPGRADE.md
	fi
}

qmail_sendmail_install() {
	einfo "Installing sendmail replacement"
	dodir /usr/sbin /usr/lib

	dosym "${QMAIL_HOME}"/bin/sendmail /usr/sbin/sendmail
	dosym "${QMAIL_HOME}"/bin/sendmail /usr/lib/sendmail
}

qmail_maildir_install() {
	# subshell to not leak the install options
	(
	# use the correct maildirmake
	# the courier-imap one has some extensions that are nicer
	MAILDIRMAKE="${D}${QMAIL_HOME}/bin/maildirmake"
	[[ -e /usr/bin/maildirmake ]] && \
		MAILDIRMAKE="/usr/bin/maildirmake"

	einfo "Setting up default maildirs in the account skeleton"
	diropts -m 700
	insinto /etc/skel
	newins "${GENQMAIL_S}"/control/defaultdelivery .qmail.example
	"${MAILDIRMAKE}" "${D}"/etc/skel/.maildir
	keepdir /etc/skel/.maildir/{cur,new,tmp}

	einfo "Setting up the default aliases"
	diropts -o alias -g qmail -m 700
	"${MAILDIRMAKE}" "${D}${QMAIL_HOME}"/alias/.maildir
	keepdir "${QMAIL_HOME}"/alias/.maildir/{cur,new,tmp}

	for i in "${QMAIL_HOME}"/alias/.qmail-{mailer-daemon,postmaster,root}; do
		if [[ ! -f "${ROOT}${i}" ]]; then
			touch "${D}${i}"
			fowners alias:qmail "${i}"
		fi
	done

	)
}

qmail_tcprules_install() {
	dodir "${TCPRULES_DIR}"
	insinto "${TCPRULES_DIR}"
	doins "${GENQMAIL_S}"/tcprules/Makefile.qmail
	doins "${GENQMAIL_S}"/tcprules/tcp.qmail-*
	use ssl && use pop3 || rm -f "${D}${TCPRULES_DIR}"/tcp.qmail-pop3sd
}

qmail_supervise_install_one() {
	dosupervise ${1}
	# subshell to not leak the install options
	(
	diropts -o qmaill -g 0
	keepdir /var/log/qmail/${1}
	)
}

qmail_supervise_install() {
	einfo "Installing supervise scripts"

	cd "${GENQMAIL_S}"/supervise

	for i in qmail-{send,smtpd,qmtpd,qmqpd}; do
		qmail_supervise_install_one ${i}
	done

	if use pop3; then
		qmail_supervise_install_one qmail-pop3d
		use ssl && qmail_supervise_install_one qmail-pop3sd
	fi
}

qmail_spp_install() {
	einfo "Installing qmail-spp configuration files"
	insinto "${QMAIL_HOME}"/control/
	doins "${GENQMAIL_S}"/spp/smtpplugins

	einfo "Installing qmail-spp plugins"
	keepdir "${QMAIL_HOME}"/plugins/
	for i in authlog mfdnscheck ifauthnext tarpit; do
		dospp "${GENQMAIL_S}"/spp/${i}
	done
}

qmail_ssl_install() {
	use gencertdaily && \
		CRON_FOLDER=cron.daily || \
		CRON_FOLDER=cron.hourly

	einfo "Installing SSL Certificate creation script"
	insinto "${QMAIL_HOME}"/control
	doins "${GENQMAIL_S}"/ssl/servercert.cnf

	exeinto "${QMAIL_HOME}"/bin
	doexe "${GENQMAIL_S}"/ssl/mkservercert

	einfo "Installing RSA key generation cronjob"
	exeinto /etc/${CRON_FOLDER}
	doexe "${GENQMAIL_S}"/ssl/qmail-genrsacert.sh

	keepdir "${QMAIL_HOME}"/control/tlshosts
}

qmail_src_install() {
	qmail_base_install
	qmail_config_install
	qmail_man_install
	qmail_sendmail_install
	qmail_maildir_install
	qmail_tcprules_install
	qmail_supervise_install

	use qmail-spp && qmail_spp_install
	use ssl && qmail_ssl_install
}

qmail_queue_setup() {
	if use highvolume; then
		myconf="--bigtodo"
	else
		myconf="--no-bigtodo"
	fi

	mysplit=${QMAIL_CONF_SPLIT:-23}
	is_prime ${mysplit} || die "QMAIL_CONF_SPLIT is not a prime number."

	einfo "Setting up the message queue hierarchy"
	/usr/bin/queue-repair.py --create ${myconf} \
		--split ${mysplit} \
		"${ROOT}${QMAIL_HOME}" >/dev/null || \
		die 'queue-repair failed'
}

qmail_rootmail_fixup() {
	local TMPCMD="ln -sf ${QMAIL_HOME}/alias/.maildir/ ${ROOT}/root/.maildir"

	if [[ -d "${ROOT}"/root/.maildir && ! -L "${ROOT}"/root/.maildir ]] ; then
		elog "Previously the qmail ebuilds created /root/.maildir/ but not"
		elog "every mail was delivered there. If the directory does not"
		elog "contain any mail, please delete it and run:"
		elog "${TMPCMD}"
	else
		${TMPCMD}
	fi

	chown -R alias:qmail "${ROOT}${QMAIL_HOME}"/alias/.maildir 2>/dev/null
}

qmail_tcprules_build() {
	for f in tcp.qmail-{smtp,qmtp,qmqp,pop3,pop3s}; do
		# please note that we don't check if it exists
		# as we want it to make the cdb files anyway!
		src="${ROOT}${TCPRULES_DIR}/${f}"
		cdb="${ROOT}${TCPRULES_DIR}/${f}.cdb"
		tmp="${ROOT}${TCPRULES_DIR}/.${f}.tmp"
		[[ -e "${src}" ]] && tcprules "${cdb}" "${tmp}" < "${src}"
	done
}

qmail_config_notice() {
	elog
	elog "To setup ${PN} to run out-of-the-box on your system, run:"
	elog "emerge --config =${CATEGORY}/${PF}"
}

qmail_supervise_config_notice() {
	elog
	elog "To start qmail at boot you have to add svscan to your startup"
	elog "and create the following links:"
	elog "ln -s ${SUPERVISE_DIR}/qmail-send /service/qmail-send"
	elog "ln -s ${SUPERVISE_DIR}/qmail-smtpd /service/qmail-smtpd"
	elog
	if use pop3; then
		elog "To start the pop3 server as well, create the following link:"
		elog "ln -s ${SUPERVISE_DIR}/qmail-pop3d /service/qmail-pop3d"
		elog
		if use ssl; then
			elog "To start the pop3s server as well, create the following link:"
			elog "ln -s ${SUPERVISE_DIR}/qmail-pop3sd /service/qmail-pop3sd"
			elog
		fi
	fi
	elog "Additionally, the QMTP and QMQP protocols are supported, "
	elog "and can be started as:"
	elog "ln -s ${SUPERVISE_DIR}/qmail-qmtpd /service/qmail-qmtpd"
	elog "ln -s ${SUPERVISE_DIR}/qmail-qmqpd /service/qmail-qmqpd"
	elog
	elog "Additionally, if you wish to run qmail right now, you should "
	elog "run this before anything else:"
	elog "source /etc/profile"
}

qmail_config_fast() {
	if [[ ${ROOT} = / ]]; then
		local host=$(hostname --fqdn)

		if [[ -z "${host}" ]]; then
			eerror
			eerror "Cannot determine your fully-qualified hostname"
			eerror "Please setup your /etc/hosts as described in"
			eerror "https://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=1&chap=8#doc_chap2_sect4"
			eerror
			die "cannot determine FQDN"
		fi

		if [[ ! -f "${ROOT}${QMAIL_HOME}"/control/me ]]; then
			"${ROOT}${QMAIL_HOME}"/bin/config-fast ${host}
		fi
	else
		ewarn "Skipping some configuration as it MUST be run on the final host"
	fi
}

qmail_tcprules_config() {
	local localips ip tcpstring proto f

	einfo "Accepting relaying by default from all ips configured on this machine."

	# Start with iproute2 as ifconfig is deprecated, and ifconfig does not handle
	# additional addresses added via iproute2.
	# Note: We have to strip off the packed netmask w/e.g. 192.168.0.2/24
	localips=$(ip address show 2>/dev/null | awk '$1 == "inet" {print $2}' | sed 's:/.*::')
	if [[ -z ${localips} ]] ; then
		# Hello old friend.  Maybe you can tell us at least something.
		localips=$(ifconfig | awk '$1 == "inet" {print $2}')
	fi

	tcpstring=':allow,RELAYCLIENT="",RBLSMTPD=""'

	for ip in ${localips}; do
		for proto in smtp qmtp qmqp; do
			f="${EROOT}${TCPRULES_DIR}/tcp.qmail-${proto}"
			grep -qs "^${ip}:" "${f}" || echo "${ip}${tcpstring}" >> "${f}"
		done
	done
}

qmail_ssl_generate() {
	CRON_FOLDER=cron.hourly
	use gencertdaily && CRON_FOLDER=cron.daily

	ebegin "Generating RSA keys for SSL/TLS, this can take some time"
	"${ROOT}"/etc/${CRON_FOLDER}/qmail-genrsacert.sh
	eend $?

	einfo "Creating a self-signed ssl-certificate:"
	"${ROOT}${QMAIL_HOME}"/bin/mkservercert

	einfo "If you want to have a properly signed certificate "
	einfo "instead, do the following:"
	# space at the end of the string because of the current implementation
	# of einfo
	einfo "openssl req -new -nodes -out req.pem \\ "
	einfo "  -config ${QMAIL_HOME}/control/servercert.cnf \\ "
	einfo "  -keyout ${QMAIL_HOME}/control/servercert.pem"
	einfo "Send req.pem to your CA to obtain signed_req.pem, and do:"
	einfo "cat signed_req.pem >> ${QMAIL_HOME}/control/servercert.pem"
}

fi