nut/server/netmisc.c

/* netmisc.c - miscellaneous network handlers for upsd (VER, HELP, FSD)

   Copyright (C)
    2003  Russell Kroll <rkroll@exploits.org>
    2012  Arnaud Quette <arnaud.quette.free.fr>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include "common.h"

#include "upsd.h"
#include "sstate.h"
#include "state.h"
#include "user.h"		/* for user_checkaction */
#include "neterr.h"

#include "netmisc.h"

void net_ver(nut_ctype_t *client, size_t numarg, const char **arg)
{
	NUT_UNUSED_VARIABLE(arg);
	if (numarg != 0) {
		send_err(client, NUT_ERR_INVALID_ARGUMENT);
		return;
	}

	sendback(client, "Network UPS Tools upsd %s - http://www.networkupstools.org/\n",
		UPS_VERSION);
}

void net_netver(nut_ctype_t *client, size_t numarg, const char **arg)
{
	NUT_UNUSED_VARIABLE(arg);
	if (numarg != 0) {
		send_err(client, NUT_ERR_INVALID_ARGUMENT);
		return;
	}

	sendback(client, "%s\n", NUT_NETVERSION);
}

void net_help(nut_ctype_t *client, size_t numarg, const char **arg)
{
	NUT_UNUSED_VARIABLE(arg);
	if (numarg != 0) {
		send_err(client, NUT_ERR_INVALID_ARGUMENT);
		return;
	}

	sendback(client, "Commands: HELP VER GET LIST SET INSTCMD LOGIN LOGOUT"
		" USERNAME PASSWORD STARTTLS\n");
}

void net_fsd(nut_ctype_t *client, size_t numarg, const char **arg)
{
	upstype_t	*ups;

	if (numarg != 1) {
		send_err(client, NUT_ERR_INVALID_ARGUMENT);
		return;
	}

	ups = get_ups_ptr(arg[0]);

	if (!ups) {
		send_err(client, NUT_ERR_UNKNOWN_UPS);
		return;
	}

	/* make sure this user is allowed to do FSD */
	if (!user_checkaction(client->username, client->password, "FSD")) {
		send_err(client, NUT_ERR_ACCESS_DENIED);
		return;
	}

	upslogx(LOG_INFO, "Client %s@%s set FSD on UPS [%s]",
		client->username, client->addr, ups->name);

	ups->fsd = 1;
	sendback(client, "OK FSD-SET\n");
}