/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

#include	"dispatch.h"
#include <syslog.h>

static void		r_H(),
			r_HS();

static DISPATCH			dispatch_table[] = {
/* R_BAD_MESSAGE		*/	0,		D_BADMSG,
/* S_NEW_QUEUE			*/	0,			D_BADMSG,
/* R_NEW_QUEUE			*/	0,			D_BADMSG,
/* S_ALLOC_FILES		*/	s_alloc_files,		0,
/* R_ALLOC_FILES		*/	0,			D_BADMSG,
/* S_PRINT_REQUEST		*/	s_print_request,	0,
/* R_PRINT_REQUEST		*/	0,			D_BADMSG,
/* S_START_CHANGE_REQUEST	*/	s_start_change_request,	0,
/* R_START_CHANGE_REQUEST	*/	0,			D_BADMSG,
/* S_END_CHANGE_REQUEST		*/	s_end_change_request,	0,
/* R_END_CHANGE_REQUEST		*/	0,			D_BADMSG,
/* S_CANCEL_REQUEST		*/	s_cancel_request,	0,
/* R_CANCEL_REQUEST		*/	0,			D_BADMSG,
/* S_INQUIRE_REQUEST		*/	0,			D_BADMSG,
/* R_INQUIRE_REQUEST		*/	0,			D_BADMSG,
/* S_LOAD_PRINTER		*/	s_load_printer,		D_ADMIN,
/* R_LOAD_PRINTER		*/	r_H,			D_BADMSG,
/* S_UNLOAD_PRINTER		*/	s_unload_printer,	D_ADMIN,
/* R_UNLOAD_PRINTER		*/	r_H,			D_BADMSG,
/* S_INQUIRE_PRINTER_STATUS	*/	s_inquire_printer_status, 0,
/* R_INQUIRE_PRINTER_STATUS	*/	0,			D_BADMSG,
/* S_LOAD_CLASS			*/	s_load_class,		D_ADMIN,
/* R_LOAD_CLASS			*/	r_H,			D_BADMSG,
/* S_UNLOAD_CLASS		*/	s_unload_class,		D_ADMIN,
/* R_UNLOAD_CLASS		*/	r_H,			D_BADMSG,
/* S_INQUIRE_CLASS		*/	s_inquire_class,	0,
/* R_INQUIRE_CLASS		*/	0,			D_BADMSG,
/* S_MOUNT			*/	s_mount,		D_ADMIN,
/* R_MOUNT			*/	r_H,			D_BADMSG,
/* S_UNMOUNT			*/	s_unmount,		D_ADMIN,
/* R_UNMOUNT			*/	r_H,			D_BADMSG,
/* S_MOVE_REQUEST		*/	s_move_request,		D_ADMIN,
/* R_MOVE_REQUEST		*/	r_H,			D_BADMSG,
/* S_MOVE_DEST			*/	s_move_dest,		D_ADMIN,
/* R_MOVE_DEST			*/	r_HS,			D_BADMSG,
/* S_ACCEPT_DEST		*/	s_accept_dest,		D_ADMIN,
/* R_ACCEPT_DEST		*/	r_H,			D_BADMSG,
/* S_REJECT_DEST		*/	s_reject_dest,		D_ADMIN,
/* R_REJECT_DEST		*/	r_H,			D_BADMSG,
/* S_ENABLE_DEST		*/	s_enable_dest,		D_ADMIN,
/* R_ENABLE_DEST		*/	r_H,			D_BADMSG,
/* S_DISABLE_DEST		*/	s_disable_dest,		D_ADMIN,
/* R_DISABLE_DEST		*/	r_HS,			D_BADMSG,
/* S_LOAD_FILTER_TABLE		*/	s_load_filter_table,	D_ADMIN,
/* R_LOAD_FILTER_TABLE		*/	r_H,			D_BADMSG,
/* S_UNLOAD_FILTER_TABLE	*/	s_unload_filter_table,	D_ADMIN,
/* R_UNLOAD_FILTER_TABLE	*/	r_H,			D_BADMSG,
/* S_LOAD_PRINTWHEEL		*/	s_load_printwheel,	D_ADMIN,
/* R_LOAD_PRINTWHEEL		*/	r_H,			D_BADMSG,
/* S_UNLOAD_PRINTWHEEL		*/	s_unload_printwheel,	D_ADMIN,
/* R_UNLOAD_PRINTWHEEL		*/	r_H,			D_BADMSG,
/* S_LOAD_USER_FILE		*/	s_load_user_file,	D_ADMIN,
/* R_LOAD_USER_FILE		*/	r_H,			D_BADMSG,
/* S_UNLOAD_USER_FILE		*/	s_unload_user_file,	D_ADMIN,
/* R_UNLOAD_USER_FILE		*/	r_H,			D_BADMSG,
/* S_LOAD_FORM			*/	s_load_form,		D_ADMIN,
/* R_LOAD_FORM			*/	r_H,			D_BADMSG,
/* S_UNLOAD_FORM		*/	s_unload_form,		D_ADMIN,
/* R_UNLOAD_FORM		*/	r_H,			D_BADMSG,
/* S_GETSTATUS			*/	0,			D_ADMIN,
/* R_GETSTATUS			*/	0,			D_BADMSG,
/* S_QUIET_ALERT		*/	s_quiet_alert,		D_ADMIN,
/* R_QUIET_ALERT		*/	r_H,			D_BADMSG,
/* S_SEND_FAULT			*/	s_send_fault,		0,
/* R_SEND_FAULT			*/	0,			D_BADMSG,
/* S_SHUTDOWN			*/	s_shutdown,		D_ADMIN,
/* R_SHUTDOWN			*/	r_H,			D_BADMSG,
/* S_GOODBYE			*/	0,			D_BADMSG,
/* S_CHILD_DONE			*/	s_child_done,		0,
/* I_GET_TYPE			*/	0,			D_BADMSG,
/* I_QUEUE_CHK			*/	0,			D_BADMSG,
/* R_CONNECT			*/	0,			D_BADMSG,
/* S_GET_STATUS			*/	0,			D_BADMSG,
/* R_GET_STATUS			*/	0,			D_BADMSG,
/* S_INQUIRE_REQUEST_RANK	*/	s_inquire_request_rank,	0,
/* R_INQUIRE_REQUEST_RANK	*/	0,			D_BADMSG,
/* S_CANCEL			*/	s_cancel,		0,
/* R_CANCEL			*/	0,			D_BADMSG,
/* S_NEW_CHILD			*/	0,			D_BADMSG,
/* R_NEW_CHILD			*/	0,			D_BADMSG,
/* S_SEND_JOB			*/	0,			D_BADMSG,
/* R_SEND_JOB			*/	0,			D_BADMSG,
/* S_JOB_COMPLETED		*/	0,			D_BADMSG,
/* R_JOB_COMPLETED		*/	0,			D_BADMSG,
/* S_INQUIRE_REMOTE_PRINTER	*/	0,			D_BADMSG,
/* R_INQUIRE_REMOTE_PRINTER	*/	0,			D_BADMSG,
/* S_LOAD_SYSTEM		*/	0,			D_BADMSG,
/* R_LOAD_SYSTEM		*/	0,			D_BADMSG,
/* S_UNLOAD_SYSTEM		*/	0,			D_BADMSG,
/* R_UNLOAD_SYSTEM		*/	0,			D_BADMSG,
/* S_CLEAR_FAULT		*/	s_clear_fault,		0,
/* R_CLEAR_FAULT		*/	0,			D_BADMSG,
/* S_MOUNT_TRAY			*/	s_mount_tray,		D_ADMIN,
/* R_MOUNT_TRAY			*/	r_H,			D_BADMSG,
/* S_UNMOUNT_TRAY		*/	s_unmount_tray,		D_ADMIN,
/* R_UNMOUNT_TRAY		*/	r_H,			D_BADMSG,
/* S_MAX_TRAYS			*/	s_max_trays,		D_ADMIN,
/* R_MAX_TRAYS			*/	r_H,			D_BADMSG,
/* S_PAPER_CHANGED		*/	s_paper_changed,	0,
/* R_PAPER_CHANGED		*/	0,			D_BADMSG,
/* S_PAPER_ALLOWED		*/	s_paper_allowed,	0,
/* R_PAPER_ALLOWED		*/	0,	D_BADMSG,
/* S_PASS_PEER_CONNECTION	*/  s_pass_peer_connection,	0,
/* R_PASS_PEER_CONNECTION	*/  0,			D_BADMSG,
};

static char	*dispatch_names[] = {
"R_BAD_MESSAGE",
"S_NEW_QUEUE",
"R_NEW_QUEUE",
"S_ALLOC_FILES",
"R_ALLOC_FILES",
"S_PRINT_REQUEST",
"R_PRINT_REQUEST",
"S_START_CHANGE_REQUEST",
"R_START_CHANGE_REQUEST",
"S_END_CHANGE_REQUEST",
"R_END_CHANGE_REQUEST",
"S_CANCEL_REQUEST",
"R_CANCEL_REQUEST",
"S_INQUIRE_REQUEST",
"R_INQUIRE_REQUEST",
"S_LOAD_PRINTER",
"R_LOAD_PRINTER",
"S_UNLOAD_PRINTER",
"R_UNLOAD_PRINTER",
"S_INQUIRE_PRINTER_STATUS",
"R_INQUIRE_PRINTER_STATUS",
"S_LOAD_CLASS",
"R_LOAD_CLASS",
"S_UNLOAD_CLASS",
"R_UNLOAD_CLASS",
"S_INQUIRE_CLASS",
"R_INQUIRE_CLASS",
"S_MOUNT",
"R_MOUNT",
"S_UNMOUNT",
"R_UNMOUNT",
"S_MOVE_REQUEST",
"R_MOVE_REQUEST",
"S_MOVE_DEST",
"R_MOVE_DEST",
"S_ACCEPT_DEST",
"R_ACCEPT_DEST",
"S_REJECT_DEST",
"R_REJECT_DEST",
"S_ENABLE_DEST",
"R_ENABLE_DEST",
"S_DISABLE_DEST",
"R_DISABLE_DEST",
"S_LOAD_FILTER_TABLE",
"R_LOAD_FILTER_TABLE",
"S_UNLOAD_FILTER_TABLE",
"R_UNLOAD_FILTER_TABLE",
"S_LOAD_PRINTWHEEL",
"R_LOAD_PRINTWHEEL",
"S_UNLOAD_PRINTWHEEL",
"R_UNLOAD_PRINTWHEEL",
"S_LOAD_USER_FILE",
"R_LOAD_USER_FILE",
"S_UNLOAD_USER_FILE",
"R_UNLOAD_USER_FILE",
"S_LOAD_FORM",
"R_LOAD_FORM",
"S_UNLOAD_FORM",
"R_UNLOAD_FORM",
"S_GETSTATUS",
"R_GETSTATUS",
"S_QUIET_ALERT",
"R_QUIET_ALERT",
"S_SEND_FAULT",
"R_SEND_FAULT",
"S_SHUTDOWN",
"R_SHUTDOWN",
"S_GOODBYE",
"S_CHILD_DONE",
"I_GET_TYPE",
"I_QUEUE_CHK",
"R_CONNECT",
"S_GET_STATUS",
"R_GET_STATUS",
"S_INQUIRE_REQUEST_RANK",
"R_INQUIRE_REQUEST_RANK",
"S_CANCEL",
"R_CANCEL",
"S_NEW_CHILD",
"R_NEW_CHILD",
"S_SEND_JOB",
"R_SEND_JOB",
"S_JOB_COMPLETED",
"R_JOB_COMPLETED",
"S_INQUIRE_REMOTE_PRINTER",
"R_INQUIRE_REMOTE_PRINTER",
"S_LOAD_SYSTEM",
"R_LOAD_SYSTEM",
"S_UNLOAD_SYSTEM",
"R_UNLOAD_SYSTEM",
"S_CLEAR_FAULT",
"R_CLEAR_FAULT",
"S_MOUNT_TRAY",
"R_MOUNT_TRAY",
"S_UNMOUNT_TRAY",
"R_UNMOUNT_TRAY",
"S_MAX_TRAYS",
"R_MAX_TRAYS",
"S_PAPER_CHANGED",
"R_PAPER_CHANGED",
"S_PAPER_ALLOWED",
"R_PAPER_ALLOWED",
"S_PASS_PEER_CONNECTION",
"R_PASS_PEER_CONNECTION",
};

/* see include/msgs.h */
static char	*status_names[] = {
"MOK",
"MOKMORE",
"MOKREMOTE",
"MMORERR",
"MNODEST",
"MERRDEST",
"MDENYDEST",
"MNOMEDIA",
"MDENYMEDIA",
"MNOFILTER",
"MNOINFO",
"MNOMEM",
"MNOMOUNT",
"MNOOPEN",
"MNOPERM",
"MNOSTART",
"MUNKNOWN",
"M2LATE",
"MNOSPACE",
"MBUSY",
"MTRANSMITERR",
"MNOMORE",
"MGONEREMOTE",
"MNOTRAY"
};

#define	LAST_STATUS 23

/*
 * dispatchName() - ROUTINE TO GIVE ASCII DISPATCH NAME
 */

char *
dispatchName(int type)
{
	if (type <= 0 || type > LAST_MESSAGE)
		type = 0;
	return (dispatch_names[type]);
}

char *
statusName(int status)
{
	if (status < 0 || status > LAST_STATUS)
		return ("unknown");
	return (status_names[status]);
}

/*
 * dispatch() - DISPATCH A ROUTINE TO HANDLE A MESSAGE
 */

void
dispatch(int type, char *m, MESG *md)
{
	register DISPATCH	*pd	= &dispatch_table[type];

	syslog(LOG_DEBUG, "dispatch(%s, %s, 0x%8.8x)",
	    dispatchName(type), m, md);

	if (type <= 0 || type >= LAST_MESSAGE || pd->fncp == NULL)
		mputm(md, R_BAD_MESSAGE);

	else if (!pd->fncp || pd->flags & D_BADMSG)
		mputm(md, R_BAD_MESSAGE);

	else if (pd->flags & D_ADMIN && !md->admin)
		if ((++pd)->fncp)
			(*pd->fncp) (md, type+1);
		else
			mputm(md, R_BAD_MESSAGE);

	else if (pd->flags & D_SYSTEM && md->type != MD_CHILD &&
	    md->type != MD_BOUND)
		if ((++pd)->fncp)
			(*pd->fncp) (md, type+1);
		else
			mputm(md, R_BAD_MESSAGE);

	else
		(*pd->fncp) (m, md);
}

/*
 * r_H() - SEND MNOPERM RESPONSE MESSAGE
 * r_HS() - SEND MNOPERM RESPONSE MESSAGE
 */

static void
r_H(MESG *md, int type)
{
	mputm(md, type, MNOPERM);
}

static void
r_HS(MESG *md, int type)
{
	mputm(md, type, MNOPERM, "");
}