#
# use gmake instead BSD make
#

CONFIGURE_DIR=..
M4_DIR=../m4
ACCESS_DIR=..
DNSBLLIST_DIR=..
ACLS_DIR=../acls
FEATURES_DIR=../features
SITE_DIR=../site
SYSTEMFILTERS_DIR=../system_filters
DELIVERIES_DIR=../deliveries
VIRT_DOMAINS_DIR=../virt_domains
PERL_DIR=../perl

### for make
#MAP_SRC=../mailertable ../aliases ../virt_aliases ../virtusertasble ${VIRT_DOMAINS_DIR}/*.aliases ${VIRT_DOMAINS_DIR}/*.virtusertable
#MAP_OBJ=
#.for _f in ${MAP_SRC} userdb
#.if exists(${_f})
#MAP_OBJ+=${_f}.db
#.endif
#.endfor

### for gmake
XARGS_L_I += $(shell test "`uname`" = "FreeBSD" && echo -n 'xargs -L 1 -I ')
XARGS_L   += $(shell test "`uname`" = "FreeBSD" && echo -n 'xargs -L 1 ')
EXIM_USER += $(shell test "`uname`" = "FreeBSD" && echo -n 'mailnull')

XARGS_L_I += $(shell test "`uname`" = "Linux"   && echo -n 'xargs -l1 -i')
XARGS_L   += $(shell test "`uname`" = "Linux"   && echo -n 'xargs -l1 ')
EXIM_USER += $(shell test "`uname`" = "Linux"   && echo -n 'exim')

MAP_OBJ += $(shell test -f ../mailertable	&& echo ../mailertable.db)
MAP_OBJ += $(shell test -f ../aliases		&& echo ../aliases.db)
MAP_OBJ += $(shell test -f ../virt_aliases	&& echo ../virt_aliases.db)
MAP_OBJ += $(shell test -f ../virtusertable	&& echo ../virtusertable.db)
MAP_OBJ += $(shell ls ${VIRT_DOMAINS_DIR}/*.aliases       2>/dev/null | ${XARGS_L_I}map echo ${VIRT_DOMAINS_DIR}/map.db)
MAP_OBJ += $(shell ls ${VIRT_DOMAINS_DIR}/*.virtusertable 2>/dev/null | ${XARGS_L_I}map echo ${VIRT_DOMAINS_DIR}/map.db)

all : configure system_filter exim.pl ${MAP_OBJ}

##### configure #####

configure : ${CONFIGURE_DIR}/configure

${CONFIGURE_DIR}/configure : ${M4_DIR}/configure.mc ${SITE_DIR}/conf ${M4_DIR}/conf.default ${ACLS_DIR}/* ${FEATURES_DIR}/* ${SITE_DIR}/* ${DELIVERIES_DIR}/* dnsbls.lists
	m4 -DconfACLS_DIR="${ACLS_DIR}" -DconfFEATURES_DIR="${FEATURES_DIR}" \
	    -DM4_DIR="${M4_DIR}" \
	    -DconfACCESS_DIR="${ACCESS_DIR}" -DconfSITE_DIR="${SITE_DIR}" \
	    -DconfSYSTEMFILTERS_DIR="${SYSTEMFILTERS_DIR}" \
	    -DconfDELIVERIES_DIR="${DELIVERIES_DIR}" \
	    ${M4_DIR}/configure.mc | \
	    perl -n -e 's/\s+([\r\n])/$$1/; if(/^[\r\n]*$$/){$$empty=1;}else{if($$empty){print("\n");$$empty=0}print $$_}' \
	    > ${CONFIGURE_DIR}/configure
	    chown ${EXIM_USER} ${CONFIGURE_DIR}/configure
	    chgrp mail ${CONFIGURE_DIR}/configure
	    chmod 640 ${CONFIGURE_DIR}/configure

##### DNSBL list #####

#dnsbls.lists : ${ACLS_DIR}/dnsbls.*
dnsbls.lists : ${ACLS_DIR}/dnsbls.defer.dialup ${ACLS_DIR}/dnsbls.pass.dialup ${ACLS_DIR}/dnsbls.defer ${ACLS_DIR}/dnsbls.pass ${ACLS_DIR}/dnsbls.warn

${ACLS_DIR}/dnsbls.defer.dialup : ${DNSBLLIST_DIR}/dnsbls.list
	cat ../dnsbls.list | \
	perl -n -e 'print $$_ unless(/^\s*[#\r\n]/)' | \
	perl -n -e 'print($$1."\n") if(/^(.+?)\s*:\s*deny\s*:\s*defer\s*:\s*dialup/i)' | \
	perl -e '@lines=<STDIN>;$$list=join("", @lines);chomp($$list);$$list=~s/\n/ \\\n\t\t\t\t: /gms;print($$list)' \
	> $@

${ACLS_DIR}/dnsbls.pass.dialup : ${DNSBLLIST_DIR}/dnsbls.list
	cat ../dnsbls.list | \
	perl -n -e 'print $$_ unless(/^\s*[#\r\n]/)' | \
	perl -n -e 'print($$1."\n") if(/^(.+?)\s*:\s*deny\s*:\s*pass\s*:\s*dialup/i)' | \
	perl -e '@lines=<STDIN>;$$list=join("", @lines);chomp($$list);$$list=~s/\n/ \\\n\t\t\t\t: /gms;print($$list)' \
	> $@

${ACLS_DIR}/dnsbls.defer : ${DNSBLLIST_DIR}/dnsbls.list
	cat ../dnsbls.list | \
	perl -n -e 'print $$_ unless(/^\s*[#\r\n]/)' | \
	perl -n -e 'print($$1."\n") if(/^(.+?)\s*:\s*deny\s*:\s*defer\s*$$/i)' | \
	perl -e '@lines=<STDIN>;$$list=join("", @lines);chomp($$list);$$list=~s/\n/ \\\n\t\t\t\t: /gms;print($$list)' \
	> $@

${ACLS_DIR}/dnsbls.pass : ${DNSBLLIST_DIR}/dnsbls.list
	cat ../dnsbls.list | \
	perl -n -e 'print $$_ unless(/^\s*[#\r\n]/)' | \
	perl -n -e 'print($$1."\n") if(/^(.+?)\s*:\s*deny\s*:\s*pass\s*$$/i)' | \
	perl -e '@lines=<STDIN>;$$list=join("", @lines);chomp($$list);$$list=~s/\n/ \\\n\t\t\t\t: /gms;print($$list)' \
	> $@

${ACLS_DIR}/dnsbls.warn : ${DNSBLLIST_DIR}/dnsbls.list
	cat ../dnsbls.list | \
	perl -n -e 'print $$_ unless(/^\s*[#\r\n]/)' | \
	perl -n -e 'print($$1."\n") if(/^(.+?)\s*:\s*warn/i)' | \
	perl -e '@lines=<STDIN>;$$list=join("", @lines);chomp($$list);$$list=~s/\n/ \\\n\t\t\t\t: /gms;print($$list)' \
	> $@

##### system filters #####

system_filter : ${CONFIGURE_DIR}/system_filter

${CONFIGURE_DIR}/system_filter : ${M4_DIR}/system_filter.mc ${SYSTEMFILTERS_DIR}/* ${SITE_DIR}/system_filter*
	m4 -DconfACLS_DIR="${ACLS_DIR}" -DconfFEATURES_DIR="${FEATURES_DIR}" \
	    -DM4_DIR=${M4_DIR} \
	    -DconfACCESS_DIR="${ACCESS_DIR}" -DconfSITE_DIR="${SITE_DIR}" \
	    -DconfSYSTEMFILTERS_DIR="${SYSTEMFILTERS_DIR}" \
	    ${M4_DIR}/system_filter.mc | \
	    perl -n -e 's/\s+([\r\n])/$$1/; if(/^[\r\n]*$$/){$$empty=1;}else{if($$empty){print("\n");$$empty=0}print $$_}' \
	    > ${CONFIGURE_DIR}/system_filter

${SYSTEMFILTERS_DIR}/warnings : ${SYSTEMFILTERS_DIR}/warnings.list
	perl -ni -e 'print if (/^\s*#/)' ${SYSTEMFILTERS_DIR}/warnings
	perl -ne 'chomp; s/\|/###/g; @f=split(/\s*###\s*/); \
	    print("if \$$h_$$f[$$[]: is not \"\" then\n\tlogwrite \"\$$tod_log \$$message_id saved because of ".\
	    $$f[$$[+2]."\"\n\tunseen save /usr/local/mail/".\
	    $$f[$$[+1]."/\$$tod_zulu-\$$\{message_id\} 640\nendif\n")' \
	    ${SYSTEMFILTERS_DIR}/warnings.list >> ${SYSTEMFILTERS_DIR}/warnings

##### exim.pl #####

exim.pl : ${CONFIGURE_DIR}/exim.pl

### for gmake
SITE_PERL += $(shell ls ${SITE_DIR}/*.pl 2>/dev/null | ${XARGS_L} echo)

${CONFIGURE_DIR}/exim.pl : ${CONFIGURE_DIR}/configure ${SITE_PERL}
	echo -n > ${CONFIGURE_DIR}/exim.pl
	if [ ! -z "${SITE_PERL}" ]; then cat ${SITE_PERL} > ${CONFIGURE_DIR}/exim.pl; fi
	perl -n -e 'print "$$1\n" if (/\$$\{perl\{([^\}\r\n]+)\}/)' < ${CONFIGURE_DIR}/configure \
		| sort | uniq \
		| ${XARGS_L_I}perl_func cat ${PERL_DIR}/perl_func.pl \
		>> ${CONFIGURE_DIR}/exim.pl
	chown ${EXIM_USER} ${CONFIGURE_DIR}/exim.pl
	chgrp mail ${CONFIGURE_DIR}/exim.pl
	chmod 750 ${CONFIGURE_DIR}/exim.pl

##### STARTTLS key/certificate #####

exim.pem : ../exim.pem

../exim.pem :
	openssl req -newkey rsa:1024 -x509 -nodes -days 365 -out $@ -keyout $@
	chown ${EXIM_USER} $@ ; \
	chmod 600 $@

##### DBM files #####

### for gmake
%.db : %
	exim_dbmbuild $< $@
../%.db : ../%
	exim_dbmbuild $< $@

##### cache files #####

PROXYCHECK_DBM=/var/spool/exim/db/proxycheck.db
PROXYCHECK_TMP=/tmp/proxycheck

init_proxycheck :
	if [ -f ${PROXYCHECK_TMP} ]; then rm ${PROXYCHECK_TMP} 2>/dev/null; fi
	touch ${PROXYCHECK_TMP}
	exim_dbmbuild ${PROXYCHECK_TMP} ${PROXYCHECK_DBM}
	rm ${PROXYCHECK_TMP} 2>/dev/null
	chown ${EXIM_USER} ${PROXYCHECK_DBM}
	chgrp mail ${PROXYCHECK_DBM}
	chmod 640 ${PROXYCHECK_DBM}

GREYLIST_DBM=/var/spool/exim/db/greylist.db
GREYLIST_TMP=/tmp/greylist

init_greylist :
	if [ -f ${GREYLIST_TMP} ]; then rm ${GREYLIST_TMP} 2>/dev/null; fi
	touch ${GREYLIST_TMP}
	exim_dbmbuild ${GREYLIST_TMP} ${GREYLIST_DBM}
	rm ${GREYLIST_TMP} 2>/dev/null
	chown ${EXIM_USER} ${GREYLIST_DBM}
	chgrp mail ${GREYLIST_DBM}
	chmod 640 ${GREYLIST_DBM}