Add configure options for several PAPPL options (#22)

PAPPL provides several options to set with its server subcommand -
this PR implements configure options for several of them providing
flexibility for maintainers.

Author: zdohnal

configure.ac

@@ -57,7 +57,7 @@ AM_ICONV
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
-AC_PROG_LIBTOOL
+LT_INIT
 
 # ==========
 # pkg-config
@@ -264,10 +264,81 @@ AS_IF([test "x$enable_pappl_backends_for_legacy_printer_app" != "xno"], [
     AC_DEFINE(ENABLE_PAPPL_BACKENDS, 1, [Build legacy-printer-app with PAPPL backend support])
 ])
 
+# ===========
+# Admin group
+# ===========
+AC_ARG_WITH([admin_group], AS_HELP_STRING([--with-admin-group=[GROUP]], [Set group which users are authenticated for remote configuration, default=none]), [
+    AS_IF([test $withval != yes -a $withval != no], [
+	ADMINGROUP=$withval
+    ], [
+	ADMINGROUP="none"
+    ])
+], [
+    ADMINGROUP="none"
+])
+AC_SUBST([ADMINGROUP])
+
+# =============================
+# PAM module for authentication
+# =============================
+AC_ARG_WITH([auth_service], AS_HELP_STRING([--with-auth-service=[SERVICE]], [Set PAM service to use for remote request authentication, default=none]), [
+    AS_IF([test $withval != yes -a $withval != no], [
+	AUTHSERV=$withval
+    ], [
+	AUTHSERV="none"
+    ])
+], [
+    AUTHSERV="none"
+])
+AC_SUBST([AUTHSERV])
+
+# =======================================
+# Listening on specified address/hostname
+# =======================================
+AC_ARG_WITH([listen_hostname], AS_HELP_STRING([--with-listen-hostname=[HOSTNAME]], [Set address/hostname where listen for connection, default=local IPv4 and IPv6 addresses]), [
+    AS_IF([test $withval != yes -a $withval != no], [
+	LISTENHOST="-o listen-hostname=$withval "
+    ], [
+	LISTENHOST=""
+    ])
+], [
+    LISTENHOST=""
+])
+AC_SUBST([LISTENHOST])
+
+# ============
+# Log location
+# ============
+AC_ARG_WITH([log_file], AS_HELP_STRING([--with-log-file=[LOCATION]], [Set location for logs: - (stderr), syslog (syslog service), FILENAME, default=-]), [
+    AS_IF([test $withval != yes -a $withval != no], [
+	LOGFILE="$withval"
+    ], [
+	LOGFILE="-"
+    ])
+], [
+    LOGFILE="-"
+])
+AC_SUBST([LOGFILE])
+
+# ==============
+# Server options
+# ==============
+AC_ARG_WITH([server_options], AS_HELP_STRING([--with-server-options=[SOPTIONS]], [Set default server options, default=multi-queue,web-interface]), [
+    AS_IF([test $withval != yes -a $withval != no], [
+	SOPTIONS="$withval"
+    ], [
+	SOPTIONS="multi-queue,web-interface"
+    ])
+], [
+    SOPTIONS="multi-queue,web-interface"
+])
+AC_SUBST([SOPTIONS])
+
 # =====================
 # Prepare all .in files
 # =====================
 AC_CONFIG_FILES([
+	legacy/legacy-printer-app.service
 	libpappl-retrofit.pc
 	Makefile
 ])
@@ -287,5 +358,9 @@ Build configuration:
 	legacy-printer-app as daemon: ${enable_legacy_printer_app_as_daemon}
 	legacy-printer-app w/ PAPPL backends: ${enable_pappl_backends_for_legacy_printer_app}
 	systemd unitdir: ${SYSTEMD_UNITDIR}
+	log file: ${LOGFILE}
+	server options: ${SOPTIONS}
+	auth service: ${AUTHSERV}
+	admin group: ${ADMINGROUP}
 ==============================================================================
 ])

legacy/legacy-printer-app.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Legacy Printer Application
+
+[Service]
+ExecStart=legacy-printer-app server -o admin-group=@ADMINGROUP@ -o auth-service=@AUTHSERV@ @LISTENHOST@-o log-file=@LOGFILE@ -o log-level=info -o server-options=@SOPTIONS@
+ExecStop=legacy-printer-app shutdown
+Type=simple
+
+[Install]
+WantedBy=multi-user.target