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/*
$Header: /cvs/src/chrony/cmdparse.c,v 1.12 2003/09/22 21:22:30 richard Exp $
=======================================================================
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Richard P. Curnow 1997-2003
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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
*
**********************************************************************
=======================================================================
Module for parsing various forms of directive and command lines that
are common to the configuration file and to the command client.
*/
#include "sysincl.h"
#include "cmdparse.h"
#include "nameserv.h"
#define MAXLEN 2047
#define SMAXLEN "2047"
/* ================================================== */
CPS_Status
CPS_ParseNTPSourceAdd(const char *line, CPS_NTP_Source *src)
{
int ok, n, done;
char cmd[MAXLEN+1], hostname[MAXLEN+1];
CPS_Status result;
src->port = 123;
src->params.minpoll = 6;
src->params.maxpoll = 10;
src->params.presend_minpoll = 0;
src->params.authkey = INACTIVE_AUTHKEY;
src->params.max_delay = 16.0;
src->params.max_delay_ratio = 16384.0;
src->params.online = 1;
src->params.auto_offline = 0;
result = CPS_Success;
ok = 0;
if (sscanf(line, "%" SMAXLEN "s%n", hostname, &n) == 1) {
src->ip_addr = DNS_Name2IPAddress(hostname);
if (src->ip_addr != DNS_Failed_Address) {
ok = 1;
}
}
if (!ok) {
result = CPS_BadHost;
} else {
line += n;
/* Parse subfields */
ok = 1;
done = 0;
do {
if (sscanf(line, "%" SMAXLEN "s%n", cmd, &n) == 1) {
line += n;
if (!strncasecmp(cmd, "port", 4)) {
if (sscanf(line, "%hu%n", &src->port, &n) != 1) {
result = CPS_BadPort;
ok = 0;
done = 1;
} else {
line += n;
}
} else if (!strncasecmp(cmd, "minpoll", 7)) {
if (sscanf(line, "%d%n", &src->params.minpoll, &n) != 1) {
result = CPS_BadMinpoll;
ok = 0;
done = 1;
} else {
line += n;
}
} else if (!strncasecmp(cmd, "maxpoll", 7)) {
if (sscanf(line, "%d%n", &src->params.maxpoll, &n) != 1) {
result = CPS_BadMaxpoll;
ok = 0;
done = 1;
} else {
line += n;
}
} else if (!strncasecmp(cmd, "presend", 7)) {
if (sscanf(line, "%d%n", &src->params.presend_minpoll, &n) != 1) {
result = CPS_BadPresend;
ok = 0;
done = 1;
} else {
line += n;
}
/* This MUST come before the following one ! */
} else if (!strncasecmp(cmd, "maxdelayratio", 13)) {
if (sscanf(line, "%lf%n", &src->params.max_delay_ratio, &n) != 1) {
result = CPS_BadMaxdelayratio;
ok = 0;
done = 1;
} else {
line += n;
}
} else if (!strncasecmp(cmd, "maxdelay", 8)) {
if (sscanf(line, "%lf%n", &src->params.max_delay, &n) != 1) {
result = CPS_BadMaxdelay;
ok = 0;
done = 1;
} else {
line += n;
}
} else if (!strncasecmp(cmd, "key", 3)) {
if (sscanf(line, "%lu%n", &src->params.authkey, &n) != 1) {
result = CPS_BadKey;
ok = 0;
done = 1;
} else {
line += n;
}
} else if (!strncasecmp(cmd, "offline", 7)) {
src->params.online = 0;
} else if (!strncasecmp(cmd, "auto_offline", 12)) {
src->params.auto_offline = 1;
} else {
result = CPS_BadOption;
ok = 0;
done = 1;
}
} else {
done = 1;
}
} while (!done);
}
return result;
}
/* ================================================== */
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