net/znc: add -sasl subpackage, a service file and dedicated user

diff from maintainer Aisha Tammy (thanks!) with minor tweaks from me and
sthen.  ok sthen@

net/znc/Makefile

@@ -1,9 +1,10 @@
-COMMENT=	advanced IRC bouncer
+COMMENT-main=	advanced IRC bouncer
+COMMENT-sasl=	SASL module for ZNC
 
 DISTNAME=	znc-1.8.2
 CATEGORIES=	net
 MASTER_SITES=	${HOMEPAGE}releases/
-REVISION=	2
+REVISION-main=	3
 
 HOMEPAGE=	https://znc.in/
 
@@ -12,19 +13,28 @@ MAINTAINER=	Aisha Tammy <openbsd@aisha.cc>
 # Apache 2.0
 PERMIT_PACKAGE=	Yes
 
-WANTLIB=	c crypto icuuc icudata m pthread ssl z ${COMPILER_LIBCXX}
+MULTI_PACKAGES=	-main -sasl
+
+WANTLIB=	crypto icuuc icudata m pthread ssl z ${COMPILER_LIBCXX}
+WANTLIB-main=	c ${WANTLIB}
+WANTLIB-sasl=	sasl2 ${WANTLIB}
 
 LIB_DEPENDS=	textproc/icu4c
+LIB_DEPENDS-sasl=	${LIB_DEPENDS} \
+			security/cyrus-sasl2
+
+RUN_DEPENDS-sasl=	${BASE_PKGPATH},-main
 
 MODULES=	devel/cmake
 
 COMPILER=	base-clang ports-gcc
 
-CONFIGURE_ARGS+=	-DWANT_CYRUS=NO \
-			-DWANT_I18N=NO \
-			-DWANT_ICU=YES
+CONFIGURE_ARGS+=	-DWANT_I18N=NO
+
 CXXFLAGS+=	-DHAVE_OPAQUE_SSL
 
 NO_TEST=	Yes
 
+SUBST_VARS+=	VARBASE
+
 .include <bsd.port.mk>

net/znc/pkg/DESCR-sasl

@@ -0,0 +1 @@
+SASL module for ZNC

net/znc/pkg/PLIST-main

@@ -1,3 +1,13 @@
+@pkgpath net/znc
+@newgroup _znc:877
+@newuser _znc:877:877:default:ZNC Daemon:/nonexistent:/sbin/nologin
+@rcscript ${RCDIR}/znc
+@owner _znc
+@group _znc
+@sample ${VARBASE}/znc/
+@sample ${VARBASE}/znc/configs/
+@owner
+@group
 @bin bin/znc
 bin/znc-buildmod
 include/znc/
@@ -92,6 +102,7 @@ lib/znc/
 @so lib/znc/webadmin.so
 @man man/man1/znc-buildmod.1
 @man man/man1/znc.1
+share/doc/pkg-readmes/${PKGSTEM}
 share/znc/
 share/znc/cmake/
 share/znc/cmake/ZNCConfig.cmake

net/znc/pkg/PLIST-sasl

@@ -0,0 +1 @@
+@so lib/znc/cyrusauth.so

net/znc/pkg/README-main

@@ -0,0 +1,11 @@
++-------------------------------------------------------------------------------
+| Running ${PKGSTEM} on OpenBSD
++-------------------------------------------------------------------------------
+
+Configuration file
+==================
+
+The default configuration file for ZNC on OpenBSD is to be stored
+at ${VARBASE}/znc/configs/znc.conf and can be created interactively by
+
+$ su -s /bin/ksh _znc -c "${LOCALBASE}/bin/znc -d ${VARBASE}/znc --makeconf"

net/znc/pkg/znc.rc

@@ -0,0 +1,11 @@
+#!/bin/ksh
+
+daemon="${PREFIX}/bin/znc"
+daemon_flags="-d ${VARBASE}/znc"
+daemon_user="_znc"
+
+. /etc/rc.d/rc.subr
+
+rc_reload=NO
+
+rc_cmd $1