139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/* netinstcmd.c - INSTCMD handler 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 "user.h" /* for user_checkinstcmd */
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#include "neterr.h"
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#include "netinstcmd.h"
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static void send_instcmd(nut_ctype_t *client, const char *upsname,
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const char *cmdname, const char *value, const char *tracking_id)
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{
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int found, have_tracking_id = 0;
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upstype_t *ups;
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const cmdlist_t *ctmp;
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char sockcmd[SMALLBUF], esc[SMALLBUF];
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ups = get_ups_ptr(upsname);
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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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if (!ups_available(ups, client))
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return;
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ctmp = sstate_getcmdlist(ups);
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found = 0;
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while (ctmp) {
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if (!strcasecmp(ctmp->name, cmdname)) {
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found = 1;
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break;
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}
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ctmp = ctmp->next;
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}
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if (!found) {
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send_err(client, NUT_ERR_CMD_NOT_SUPPORTED);
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return;
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}
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/* see if this user is allowed to do this command */
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if (!user_checkinstcmd(client->username, client->password, cmdname)) {
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send_err(client, NUT_ERR_ACCESS_DENIED);
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return;
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}
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/* Format the base command */
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snprintf(sockcmd, sizeof(sockcmd), "INSTCMD %s", cmdname);
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/* see if the user has also passed a value for this command */
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if (value != NULL)
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snprintfcat(sockcmd, sizeof(sockcmd), " %s", pconf_encode(value, esc, sizeof(esc)));
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/* see if the user want execution tracking for this command */
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if (tracking_id && *tracking_id) {
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snprintfcat(sockcmd, sizeof(sockcmd), " TRACKING %s", tracking_id);
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/* Add an entry in the tracking structure */
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tracking_add(tracking_id);
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have_tracking_id = 1;
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}
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/* add EOL */
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snprintfcat(sockcmd, sizeof(sockcmd), "\n");
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upslogx(LOG_INFO, "Instant command: %s@%s did %s%s%s on %s (tracking ID: %s)",
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client->username, client->addr, cmdname,
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(value != NULL)?" with value ":"",
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(value != NULL)?value:"",
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ups->name,
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(have_tracking_id) ? tracking_id : "disabled");
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if (!sstate_sendline(ups, sockcmd)) {
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upslogx(LOG_INFO, "Set command send failed");
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send_err(client, NUT_ERR_INSTCMD_FAILED);
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return;
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}
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/* return the result, possibly including tracking_id */
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if (have_tracking_id)
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sendback(client, "OK TRACKING %s\n", tracking_id);
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else
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sendback(client, "OK\n");
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}
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void net_instcmd(nut_ctype_t *client, size_t numarg, const char **arg)
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{
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const char *devname = NULL;
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const char *cmdname = NULL;
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const char *cmdparam = NULL;
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char tracking_id[UUID4_LEN] = "";
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if (numarg < 2) {
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send_err(client, NUT_ERR_INVALID_ARGUMENT);
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return;
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}
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/* INSTCMD <ups> <cmdname> [cmdparam] */
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/* Check arguments */
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devname = arg[0];
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cmdname = arg[1];
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if (numarg == 3)
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cmdparam = arg[2];
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if (client->tracking) {
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/* Generate a tracking ID, if client requested status tracking */
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nut_uuid_v4(tracking_id);
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}
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send_instcmd(client, devname, cmdname, cmdparam, tracking_id);
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return;
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}
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