acl_smtp_data = acl_check_data

...

acl_check_data:

...

	warn	set acl_m_kav4lms_headers =
		set acl_m_kav4lms_result =
		set acl_m_kav4lms_answer = ${dlfunc{/usr/local/libexec/exim/exim-dlfunc.so}{kav4lms}\
				{local:/var/run/kav4lms/kavmd.sock}{defer_ok}}
	defer	condition	= ${if eq{$acl_m_kav4lms_answer}{}{yes}{no}}
		log_message	= KAV4LMS check failed (empty answer)
		message		= Temporary local problem - please try later
	defer	condition	= ${if match{$acl_m_kav4lms_answer}{\N^kav4lms dlfunc:\s*\N}{yes}{no}}
		log_message	= KAV4LMS check defer: ${sg{$acl_m_kav4lms_answer}{\N^kav4lms dlfunc:\s*\N}{}}
		message		= Temporary local problem - please try later
	warn	set acl_m_kav4lms_headers = ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: .+?\n((.*\n)+)$\N}{$1}{}}
		condition	= ${if eq{$acl_m_kav4lms_headers}{}{no}{yes}}
		set acl_m_kav4lms_tempfile = ${if match{$acl_m_kav4lms_headers}{\N^temporary file ([^\n\r]+)\r?\n\N}{$1}{}}
		set acl_m_kav4lms_headers  = ${if match{$acl_m_kav4lms_headers}{\N^temporary file ([^\n\r]+)\r?\n((.*\n)+)$\N}{$2}{$acl_m_kav4lms_headers}}
		logwrite	= headers added by kav4lms dlfunc: $acl_m_kav4lms_headers
		add_header	= $acl_m_kav4lms_headers
		set acl_m_kav4lms_result = ${if match{$acl_m_kav4lms_headers}{\N^(.*\n)*X-Anti-Virus: (.*\n\s)*.* check: 2\d{7} (\S+)\n\N}{$3}{}}
	defer	condition	= ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: DEFER\N}{yes}{no}}
		log_message	= KAV4LMS check defer: ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: DEFER:? (.+)\n?(.*\n)*$\N}{$1}{}}\
				${if eq{$acl_m_kav4lms_result}{}{}{, result is '$acl_m_kav4lms_result'}}\
				, temporary file $acl_m_kav4lms_tempfile
		message		= Temporary local problem - please try later
	drop	condition	= ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: DROP\N}{yes}{no}}
		log_message	= KAV4LMS check drop: ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: DROP:? (.+)\n?(.*\n)*$\N}{$1}{}}\
				${if eq{$acl_m_kav4lms_result}{}{}{, result is '$acl_m_kav4lms_result'}}\
				, temporary file $acl_m_kav4lms_tempfile
		message		= ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: DROP:? (.+)\n?(.*\n)*$\N}{$1}{}}
	deny	condition	= ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: REJECT\N}{yes}{no}}
		log_message	= KAV4LMS check reject: ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: REJECT:? (.+)\n?(.*\n)*$\N}{$1}{}}\
				${if eq{$acl_m_kav4lms_result}{}{}{, result is '$acl_m_kav4lms_result'}}\
				, temporary file $acl_m_kav4lms_tempfile
		message		= ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: REJECT:? (.+)\n?(.*\n)*$\N}{$1}{}}
	warn	condition	= ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: ACCEPT\N}{yes}{no}}
		logwrite	= KAV4LMS check accept: ${if match{$acl_m_kav4lms_answer}{\N^KAV4LMS answer: ACCEPT:?\s?(.+)$\N}{$1}{}} \
				${if eq{$acl_m_kav4lms_result}{}{}{, result is '$acl_m_kav4lms_result'}}
		set acl_m_kav4lms_answer	=
	warn	condition	= ${if eq{$acl_m_kav4lms_answer}{}{no}{yes}}
		logwrite	= KAV4LMS check: $acl_m_kav4lms_answer