diff options
Diffstat (limited to 'contrib/ntp/ntpd/cmd_args.c')
| -rw-r--r-- | contrib/ntp/ntpd/cmd_args.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/contrib/ntp/ntpd/cmd_args.c b/contrib/ntp/ntpd/cmd_args.c new file mode 100644 index 0000000..9f61b4a --- /dev/null +++ b/contrib/ntp/ntpd/cmd_args.c @@ -0,0 +1,313 @@ +/* + * 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; +} |
