freebsd-dev/contrib/ntp/ntpd/cmd_args.c
2004-07-20 15:01:56 +00:00

419 lines
8.7 KiB
C

/*
* 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"
#ifdef SIM
#include "ntpsim.h"
#endif /* SIM */
/*
* Definitions of things either imported from or exported to outside
*/
extern char const *progname;
int listen_to_virtual_ips = 1;
#ifdef SYS_WINNT
extern BOOL NoWinService;
#endif
static const char *ntp_options = "aAbB:c:C:dD:f:gi:k:l:LmnNO:p:P:qr:s:S:t:T:W:u:v:V:xY:Z:-:";
#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\n");
++errflg;
break;
#endif
case 'L':
listen_to_virtual_ips = 0;
break;
case 'l':
{
FILE *new_file;
if(strcmp(ntp_optarg, "stderr") == 0)
new_file = stderr;
else if(strcmp(ntp_optarg, "stdout") == 0)
new_file = stdout;
else
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;
#ifdef SYS_WINNT
NoWinService = TRUE;
#endif
break;
case 'N':
priority_done = 0;
break;
case '?':
++errflg;
break;
case '-':
if ( ! strcmp(ntp_optarg, "version") ) {
printf("%.80s: %.80s\n", progname, Version);
exit(0);
} else if ( ! strcmp(ntp_optarg, "help") ) {
/* usage(); */
/* exit(0); */
++errflg;
} else if ( ! strcmp(ntp_optarg, "copyright") ) {
printf("unknown\n");
exit(0);
} else {
fprintf(stderr, "%.80s: Error unknown argument '--%.80s'\n",
progname,
ntp_optarg);
exit(12);
}
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
#ifdef HAVE_CLOCKCTL
(void) fprintf(stderr, "\t\t[ -u user[:group] ] [ -i chrootdir ]\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;
struct sockaddr_in inaddrntp;
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., NULL);
break;
case 'A':
proto_config(PROTO_AUTHENTICATE, 0, 0., NULL);
break;
case 'b':
proto_config(PROTO_BROADCLIENT, 1, 0., NULL);
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 'i':
#ifdef HAVE_CLOCKCTL
if (!ntp_optarg)
errflg++;
else
chrootdir = ntp_optarg;
break;
#else
errflg++;
#endif
case 'k':
getauthkeys(ntp_optarg);
break;
case 'L': /* already done at pre-scan */
case 'l': /* already done at pre-scan */
break;
case 'm':
inaddrntp.sin_family = AF_INET;
inaddrntp.sin_port = htons(NTP_PORT);
inaddrntp.sin_addr.s_addr = htonl(INADDR_NTP);
proto_config(PROTO_MULTICAST_ADD, 0, 0., (struct sockaddr_storage*)&inaddrntp);
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, NULL);
}
} while (0);
break;
case 'u':
#ifdef HAVE_CLOCKCTL
user = malloc(strlen(ntp_optarg) + 1);
if ((user == NULL) || (ntp_optarg == NULL))
errflg++;
(void)strncpy(user, ntp_optarg, strlen(ntp_optarg) + 1);
group = rindex(user, ':');
if (group)
*group++ = '\0'; /* get rid of the ':' */
#else
errflg++;
#endif
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,
(u_short) (RW | ((c == 'V') ? DEF : 0)));
break;
case 'x':
clock_max = 600;
break;
#ifdef SIM
case 'B':
sscanf(ntp_optarg, "%lf", &ntp_node.bdly);
break;
case 'C':
sscanf(ntp_optarg, "%lf", &ntp_node.snse);
break;
case 'H':
sscanf(ntp_optarg, "%lf", &ntp_node.slew);
break;
case 'O':
sscanf(ntp_optarg, "%lf", &ntp_node.clk_time);
break;
case 'S':
sscanf(ntp_optarg, "%lf", &ntp_node.sim_time);
break;
case 'T':
sscanf(ntp_optarg, "%lf", &ntp_node.ferr);
break;
case 'W':
sscanf(ntp_optarg, "%lf", &ntp_node.fnse);
break;
case 'Y':
sscanf(ntp_optarg, "%lf", &ntp_node.ndly);
break;
case 'Z':
sscanf(ntp_optarg, "%lf", &ntp_node.pdly);
break;
#endif /* SIM */
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
#ifdef HAVE_CLOCKCTL
(void) fprintf(stderr, "\t\t[ -u user[:group] ] [ -i chrootdir ]\n");
#endif
exit(2);
}
return;
}