freebsd-dev/contrib/ntp/ntpd/cmd_args.c

314 lines
6.3 KiB
C
Raw Normal View History

2001-08-29 14:35:15 +00:00
/*
* cmd_args.c = command-line argument processing
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ntpd.h"
#include "ntp_stdlib.h"
#include "ntp_cmdargs.h"
/*
* Definitions of things either imported from or exported to outside
*/
extern char const *progname;
int listen_to_virtual_ips = 0;
static const char *ntp_options = "aAbc:dD:f:gk:l:LmnN:p:P:qr:s:t:v:V:x";
#ifdef HAVE_NETINFO
extern int check_netinfo;
#endif
/*
* getstartup - search through the options looking for a debugging flag
*/
void
getstartup(
int argc,
char *argv[]
)
{
int errflg;
extern int priority_done;
int c;
#ifdef DEBUG
debug = 0; /* no debugging by default */
#endif
/*
* This is a big hack. We don't really want to read command line
* configuration until everything else is initialized, since
* the ability to configure the system may depend on storage
* and the like having been initialized. Except that we also
* don't want to initialize anything until after detaching from
* the terminal, but we won't know to do that until we've
* parsed the command line. Do that now, crudely, and do it
* again later. Our ntp_getopt() is explicitly reusable, by the
* way. Your own mileage may vary.
*
* This hack is even called twice (to allow complete logging to file)
*/
errflg = 0;
progname = argv[0];
/*
* Decode argument list
*/
while ((c = ntp_getopt(argc, argv, ntp_options)) != EOF)
switch (c) {
#ifdef DEBUG
case 'd':
++debug;
break;
case 'D':
debug = (int)atol(ntp_optarg);
printf("Debug1: %s -> %x = %d\n", ntp_optarg, debug, debug);
break;
#else
case 'd':
case 'D':
msyslog(LOG_ERR, "ntpd not compiled with -DDEBUG option - no DEBUG support");
fprintf(stderr, "ntpd not compiled with -DDEBUG option - no DEBUG support");
++errflg;
break;
#endif
case 'L':
listen_to_virtual_ips = 1;
break;
case 'l':
{
FILE *new_file;
new_file = fopen(ntp_optarg, "a");
if (new_file != NULL) {
NLOG(NLOG_SYSINFO)
msyslog(LOG_NOTICE, "logging to file %s", ntp_optarg);
if (syslog_file != NULL &&
fileno(syslog_file) != fileno(new_file))
(void)fclose(syslog_file);
syslog_file = new_file;
syslogit = 0;
}
else
msyslog(LOG_ERR,
"Cannot open log file %s",
ntp_optarg);
}
break;
case 'n':
case 'q':
++nofork;
break;
case 'N':
priority_done = strcmp(ntp_optarg, "high");
break;
case '?':
++errflg;
break;
default:
break;
}
if (errflg || ntp_optind != argc) {
(void) fprintf(stderr, "usage: %s [ -abdgmnqx ] [ -c config_file ] [ -e e_delay ]\n", progname);
(void) fprintf(stderr, "\t\t[ -f freq_file ] [ -k key_file ] [ -l log_file ]\n");
(void) fprintf(stderr, "\t\t[ -p pid_file ] [ -r broad_delay ] [ -s statdir ]\n");
(void) fprintf(stderr, "\t\t[ -t trust_key ] [ -v sys_var ] [ -V default_sysvar ]\n");
#if defined(HAVE_SCHED_SETSCHEDULER)
(void) fprintf(stderr, "\t\t[ -P fixed_process_priority ]\n");
#endif
exit(2);
}
ntp_optind = 0; /* reset ntp_optind to restart ntp_getopt */
#ifdef DEBUG
if (debug) {
#ifdef HAVE_SETVBUF
static char buf[BUFSIZ];
setvbuf(stdout, buf, _IOLBF, BUFSIZ);
#else
setlinebuf(stdout);
#endif
}
#endif
}
/*
* getCmdOpts - get command line options
*/
void
getCmdOpts(
int argc,
char *argv[]
)
{
extern char *config_file;
int errflg;
int c;
/*
* Initialize, initialize
*/
errflg = 0;
#ifdef DEBUG
debug = 0;
#endif /* DEBUG */
progname = argv[0];
/*
* Decode argument list
*/
while ((c = ntp_getopt(argc, argv, ntp_options)) != EOF) {
switch (c) {
case 'a':
proto_config(PROTO_AUTHENTICATE, 1, 0.);
break;
case 'A':
proto_config(PROTO_AUTHENTICATE, 0, 0.);
break;
case 'b':
proto_config(PROTO_BROADCLIENT, 1, 0.);
break;
case 'c':
config_file = ntp_optarg;
#ifdef HAVE_NETINFO
check_netinfo = 0;
#endif
break;
case 'd':
#ifdef DEBUG
debug++;
#else
errflg++;
#endif /* DEBUG */
break;
case 'D':
#ifdef DEBUG
debug = (int)atol(ntp_optarg);
printf("Debug2: %s -> %x = %d\n", ntp_optarg, debug, debug);
#else
errflg++;
#endif /* DEBUG */
break;
case 'f':
stats_config(STATS_FREQ_FILE, ntp_optarg);
break;
case 'g':
allow_panic = TRUE;
break;
case 'k':
getauthkeys(ntp_optarg);
break;
case 'L': /* already done at pre-scan */
case 'l': /* already done at pre-scan */
break;
case 'm':
proto_config(PROTO_MULTICAST_ADD, htonl(INADDR_NTP), 0.);
sys_bclient = 1;
break;
case 'n': /* already done at pre-scan */
break;
case 'N': /* already done at pre-scan */
break;
case 'p':
stats_config(STATS_PID_FILE, ntp_optarg);
break;
case 'P':
#if defined(HAVE_SCHED_SETSCHEDULER)
config_priority = (int)atol(ntp_optarg);
config_priority_override = 1;
#else
errflg++;
#endif
break;
case 'q':
mode_ntpdate = TRUE;
break;
case 'r':
do {
double tmp;
if (sscanf(ntp_optarg, "%lf", &tmp) != 1) {
msyslog(LOG_ERR,
"command line broadcast delay value %s undecodable",
ntp_optarg);
} else {
proto_config(PROTO_BROADDELAY, 0, tmp);
}
} while (0);
break;
case 's':
stats_config(STATS_STATSDIR, ntp_optarg);
break;
case 't':
do {
u_long tkey;
tkey = (int)atol(ntp_optarg);
if (tkey <= 0 || tkey > NTP_MAXKEY) {
msyslog(LOG_ERR,
"command line trusted key %s is invalid",
ntp_optarg);
} else {
authtrust(tkey, 1);
}
} while (0);
break;
case 'v':
case 'V':
set_sys_var(ntp_optarg, strlen(ntp_optarg)+1,
RW | ((c == 'V') ? DEF : 0));
break;
case 'x':
allow_step = FALSE;
break;
default:
errflg++;
break;
}
}
if (errflg || ntp_optind != argc) {
(void) fprintf(stderr, "usage: %s [ -abdgmnx ] [ -c config_file ] [ -e e_delay ]\n", progname);
(void) fprintf(stderr, "\t\t[ -f freq_file ] [ -k key_file ] [ -l log_file ]\n");
(void) fprintf(stderr, "\t\t[ -p pid_file ] [ -r broad_delay ] [ -s statdir ]\n");
(void) fprintf(stderr, "\t\t[ -t trust_key ] [ -v sys_var ] [ -V default_sysvar ]\n");
#if defined(HAVE_SCHED_SETSCHEDULER)
(void) fprintf(stderr, "\t\t[ -P fixed_process_priority ]\n");
#endif
exit(2);
}
return;
}