155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/* netuser.c - LOGIN/LOGOUT/USERNAME/PASSWORD/MASTER handlers for upsd
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Copyright (C) 2003 Russell Kroll <rkroll@exploits.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "common.h"
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#include "upsd.h"
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#include "sstate.h"
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#include "state.h"
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#include "neterr.h"
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#include "user.h" /* for user_checkaction */
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#include "netuser.h"
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/* LOGIN <ups> */
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void net_login(ctype_t *client, int numarg, const char **arg)
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{
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upstype_t *ups;
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if (numarg != 1) {
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send_err(client, NUT_ERR_INVALID_ARGUMENT);
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return;
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}
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if (client->loginups != NULL) {
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upslogx(LOG_INFO, "Client %s@%s tried to login twice", client->username, client->addr);
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send_err(client, NUT_ERR_ALREADY_LOGGED_IN);
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return;
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}
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/* make sure we got a valid UPS name */
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ups = get_ups_ptr(arg[0]);
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if (!ups) {
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send_err(client, NUT_ERR_UNKNOWN_UPS);
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return;
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}
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/* make sure this is a valid user */
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if (!user_checkaction(client->username, client->password, "LOGIN")) {
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send_err(client, NUT_ERR_ACCESS_DENIED);
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return;
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}
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ups->numlogins++;
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client->loginups = xstrdup(ups->name);
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upslogx(LOG_INFO, "User %s@%s logged into UPS [%s]%s", client->username, client->addr,
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client->loginups, client->ssl ? " (SSL)" : "");
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sendback(client, "OK\n");
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}
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void net_logout(ctype_t *client, int numarg, const char **arg)
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{
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if (numarg != 0) {
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send_err(client, NUT_ERR_INVALID_ARGUMENT);
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return;
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}
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if (client->loginups != NULL) {
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upslogx(LOG_INFO, "User %s@%s logged out from UPS [%s]%s", client->username, client->addr,
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client->loginups, client->ssl ? " (SSL)" : "");
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}
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sendback(client, "OK Goodbye\n");
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client->last_heard = 0;
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}
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/* MASTER <upsname> */
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void net_master(ctype_t *client, int numarg, const char **arg)
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{
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upstype_t *ups;
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if (numarg != 1) {
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send_err(client, NUT_ERR_INVALID_ARGUMENT);
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return;
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}
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ups = get_ups_ptr(arg[0]);
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if (!ups) {
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send_err(client, NUT_ERR_UNKNOWN_UPS);
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return;
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}
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/* make sure this user is allowed to do MASTER */
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if (!user_checkaction(client->username, client->password, "MASTER")) {
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send_err(client, NUT_ERR_ACCESS_DENIED);
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return;
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}
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/* this is just an access level check */
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sendback(client, "OK MASTER-GRANTED\n");
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}
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/* USERNAME <username> */
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void net_username(ctype_t *client, int numarg, const char **arg)
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{
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if (numarg != 1) {
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send_err(client, NUT_ERR_INVALID_ARGUMENT);
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return;
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}
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if (client->username != NULL) {
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upslogx(LOG_INFO, "Client %s@%s tried to set a username twice",
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client->username, client->addr);
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send_err(client, NUT_ERR_ALREADY_SET_USERNAME);
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return;
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}
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client->username = xstrdup(arg[0]);
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sendback(client, "OK\n");
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}
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/* PASSWORD <password> */
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void net_password(ctype_t *client, int numarg, const char **arg)
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{
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if (numarg != 1) {
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send_err(client, NUT_ERR_INVALID_ARGUMENT);
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return;
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}
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if (client->password != NULL) {
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if (client->username)
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upslogx(LOG_INFO, "Client %s@%s tried to set a password twice",
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client->username, client->addr);
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else
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upslogx(LOG_INFO, "Client on %s tried to set a password twice",
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client->addr);
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send_err(client, NUT_ERR_ALREADY_SET_PASSWORD);
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return;
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}
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client->password = xstrdup(arg[0]);
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sendback(client, "OK\n");
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}
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