Working LSB startup script.

guacd/Makefile.am

@@ -1,3 +1,16 @@
+
 AUTOMAKE_OPTIONS = gnu
+initdir = @init_dir@
+
 sbin_PROGRAMS = guacd
+init_SCRIPTS = init.d/guacd
+
 guacd_SOURCES = src/daemon.c
+
+EXTRA_DIST = init.d/guacd
+CLEANFILES = $(init_SCRIPTS)
+
+init.d/guacd: init.d/guacd.in
+	sed -e 's,[@]sbindir[@],$(sbindir),g' < init.d/guacd.in > init.d/guacd
+	chmod +x init.d/guacd
+

guacd/configure.in

@@ -19,5 +19,12 @@ AC_CHECK_HEADERS([netinet/in.h stdlib.h string.h sys/socket.h syslog.h unistd.h
 AC_FUNC_MALLOC
 AC_CHECK_FUNCS([memset socket strerror fork])
 
+# Options
+AC_ARG_WITH(init_dir,
+            [AS_HELP_STRING([--with-init-dir=<path>],
+                            [install an init script to the given directory])
+            ],init_dir=$withval)
+AC_SUBST(init_dir)
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT

guacd/init.d/guacd.in

@@ -0,0 +1,132 @@
+#!/bin/sh
+
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is guacd.
+#
+# The Initial Developer of the Original Code is
+# Michael Jumper.
+# Portions created by the Initial Developer are Copyright (C) 2010
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+# guacd
+#
+# chkconfig:   - 20 80
+# description: Guacamole proxy daemon
+
+### BEGIN INIT INFO
+# Provides:          guacd
+# Required-Start:    $network $syslog 
+# Required-Stop:     $network $syslog
+# Short-Description: Guacamole proxy daemon
+# Description: The Guacamole proxy daemon, required to translate remote desktop protocols into the text-based Guacamole protocol used by the JavaScript application.
+### END INIT INFO
+
+# Source function library.
+. /lib/lsb/init-functions
+
+prog="guacd"
+exec="@sbindir@/$prog"
+pidfile="/var/run/$prog.pid"
+
+[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
+
+start() {
+    [ -x $exec ] || exit 5
+    echo -n "Starting $prog: "
+    start_daemon -p "$pidfile" $exec -p "$pidfile" 
+    retval=$?
+
+    case "$retval" in
+        0)
+            echo "SUCCESS"
+            ;;
+        *)
+            echo "FAIL"
+            ;;
+    esac
+
+    return $retval
+}
+
+stop() {
+    echo -n "Stopping $prog: "
+    killproc -p "$pidfile" $prog
+    retval=$?
+
+    case "$retval" in
+        0)
+            echo "SUCCESS"
+            ;;
+        *)
+            echo "FAIL"
+            ;;
+    esac
+
+    return $retval
+}
+
+restart() {
+    stop
+    start
+}
+
+force_reload() {
+    restart
+}
+
+status() {
+    
+    PID=`pidofproc -p "$pidfile" $prog`
+    retval=$?
+
+    case "$retval" in
+        0)
+            echo "$prog is running with PID=$PID."
+            ;;
+        *)
+            echo "$prog is not running."
+            ;;
+    esac
+
+
+}
+
+
+case "$1" in
+    start|stop|status|restart|force-reload)
+        $1
+        ;;
+    *)
+        echo "Usage: $0 {start|stop|status|restart|force-reload}"
+        exit 2
+esac
+exit $?
+

guacd/src/daemon.c

@@ -135,6 +135,8 @@ int main(int argc, char* argv[]) {
     int listen_port = 4822; /* Default port */
     int opt;
 
+    char* pidfile = NULL;
+
     /* Daemon Process */
     pid_t daemon_pid;
 
@@ -144,7 +146,7 @@ int main(int argc, char* argv[]) {
 #endif
 
     /* Parse arguments */
-    while ((opt = getopt(argc, argv, "l:")) != -1) {
+    while ((opt = getopt(argc, argv, "l:p:")) != -1) {
         if (opt == 'l') {
             listen_port = atoi(optarg);
             if (listen_port <= 0) {
@@ -152,8 +154,11 @@ int main(int argc, char* argv[]) {
                 exit(EXIT_FAILURE);
             }
         }
+        else if (opt == 'p') {
+            pidfile = strdup(optarg);
+        }
         else {
-            fprintf(stderr, "USAGE: %s [-l LISTENPORT]\n", argv[0]);
+            fprintf(stderr, "USAGE: %s [-l LISTENPORT] [-p PIDFILE]\n", argv[0]);
             exit(EXIT_FAILURE);
         }
     }
@@ -200,8 +205,26 @@ int main(int argc, char* argv[]) {
         exit(EXIT_FAILURE);
     }
 
-    /* If parent, exit */
+    /* If parent, write PID file and exit */
     else if (daemon_pid != 0) {
+
+        if (pidfile != NULL) {
+
+            /* Attempt to open pidfile and write PID */
+            FILE* pidf = fopen(pidfile, "w");
+            if (pidf) {
+                fprintf(pidf, "%d\n", daemon_pid);
+                fclose(pidf);
+            }
+
+            /* Warn on failure */
+            else {
+                fprintf(stderr, "WARNING: Could not write PID file: %s\n", lasterror());
+                exit(EXIT_FAILURE);
+            }
+
+        }
+
         exit(EXIT_SUCCESS);
     }
 #else