Imported Upstream version 2.4.3

2010-03-26 00:20:59 +01:00 · 2010-03-26 00:20:59 +01:00 · 26fb71b504
commit 26fb71b504
446 changed files with 148951 additions and 0 deletions
--- a/server/netset.c
+++ b/server/netset.c
@ -0,0 +1,143 @@
+/* netset.c - SET handler for upsd
+
+   Copyright (C) 2003  Russell Kroll <rkroll@exploits.org>
+
+   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 "netset.h"
+
+static void set_var(ctype_t *client, const char *upsname, const char *var,
+	const char *newval)
+{
+	upstype_t	*ups;
+	const	char	*val;
+	const	struct  enum_t  *etmp;
+	char	cmd[SMALLBUF], esc[SMALLBUF];
+
+	ups = get_ups_ptr(upsname);
+
+	if (!ups) {
+		send_err(client, NUT_ERR_UNKNOWN_UPS);
+		return;
+	}
+
+	if (!ups_available(ups, client))
+		return;
+
+	/* make sure this user is allowed to do SET */
+	if (!user_checkaction(client->username, client->password, "SET")) {
+		send_err(client, NUT_ERR_ACCESS_DENIED);
+		return;
+	}
+
+	val = sstate_getinfo(ups, var);
+
+	if (!val) {
+		send_err(client, NUT_ERR_VAR_NOT_SUPPORTED);
+		return;
+	}
+
+	/* make sure this variable is writable (RW) */
+	if ((sstate_getflags(ups, var) & ST_FLAG_RW) == 0) {
+		send_err(client, NUT_ERR_READONLY);
+		return;
+	}
+
+	/* see if the new value is allowed for this variable */
+
+	if (sstate_getflags(ups, var) & ST_FLAG_STRING) {
+		int	aux;
+
+		aux = sstate_getaux(ups, var);
+
+		/* check for insanity from the driver */
+		if (aux < 1) {
+			upslogx(LOG_WARNING, "UPS [%s]: auxdata for %s is invalid",
+				ups->name, var);
+
+			send_err(client, NUT_ERR_SET_FAILED);
+			return;
+		}
+
+		if (aux < (int) strlen(newval)) {
+			send_err(client, NUT_ERR_TOO_LONG);
+			return;
+		}
+	}
+
+	/* see if it's enumerated */
+
+	etmp = sstate_getenumlist(ups, var);
+
+	if (etmp) {
+		int	found = 0;
+
+		while (etmp) {
+			if (!strcmp(etmp->val, newval)) {
+				found = 1;
+				break;
+			}
+
+			etmp = etmp->next;
+		}
+
+		if (!found) {
+			send_err(client, NUT_ERR_INVALID_VALUE);
+			return;
+		}
+	}
+
+	/* must be OK now */
+
+	upslogx(LOG_INFO, "Set variable: %s@%s set %s on %s to %s",
+		client->username, client->addr, var, ups->name, newval);
+
+	snprintf(cmd, sizeof(cmd), "SET %s \"%s\"\n",
+		var, pconf_encode(newval, esc, sizeof(esc)));
+
+	if (!sstate_sendline(ups, cmd)) {
+		upslogx(LOG_INFO, "Set command send failed");
+		send_err(client, NUT_ERR_SET_FAILED);
+		return;
+	}
+
+	sendback(client, "OK\n");
+}
+
+void net_set(ctype_t *client, int numarg, const char **arg)
+{
+	if (numarg < 4) {
+		send_err(client, NUT_ERR_INVALID_ARGUMENT);
+		return;
+	}
+
+	/* SET VAR UPS VARNAME VALUE */
+	if (!strcasecmp(arg[0], "VAR")) {
+		set_var(client, arg[1], arg[2], arg[3]);
+		return;
+	}
+
+	send_err(client, NUT_ERR_INVALID_ARGUMENT);
+	return;
+}