diff options
Diffstat (limited to 'ntpd/cmd_args.c')
| -rw-r--r-- | ntpd/cmd_args.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/ntpd/cmd_args.c b/ntpd/cmd_args.c new file mode 100644 index 0000000..045c0a9 --- /dev/null +++ b/ntpd/cmd_args.c @@ -0,0 +1,202 @@ +/* + * cmd_args.c = command-line argument processing + */ +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "ntpd.h" +#include "ntp_stdlib.h" +#include "ntp_config.h" +#include "ntp_cmdargs.h" + +#include "ntpd-opts.h" + +/* + * Definitions of things either imported from or exported to outside + */ +extern char const *progname; + +#ifdef HAVE_NETINFO +extern int check_netinfo; +#endif + + +/* + * getCmdOpts - apply most command line options + * + * A few options are examined earlier in ntpd.c ntpdmain() and + * ports/winnt/ntpd/ntservice.c main(). + */ +void +getCmdOpts( + int argc, + char ** argv + ) +{ + extern const char *config_file; + int errflg; + + /* + * Initialize, initialize + */ + errflg = 0; + + if (ipv4_works && ipv6_works) { + if (HAVE_OPT( IPV4 )) + ipv6_works = 0; + else if (HAVE_OPT( IPV6 )) + ipv4_works = 0; + } else if (!ipv4_works && !ipv6_works) { + msyslog(LOG_ERR, "Neither IPv4 nor IPv6 networking detected, fatal."); + exit(1); + } else if (HAVE_OPT( IPV4 ) && !ipv4_works) + msyslog(LOG_WARNING, "-4/--ipv4 ignored, IPv4 networking not found."); + else if (HAVE_OPT( IPV6 ) && !ipv6_works) + msyslog(LOG_WARNING, "-6/--ipv6 ignored, IPv6 networking not found."); + + if (HAVE_OPT( AUTHREQ )) + proto_config(PROTO_AUTHENTICATE, 1, 0., NULL); + else if (HAVE_OPT( AUTHNOREQ )) + proto_config(PROTO_AUTHENTICATE, 0, 0., NULL); + + if (HAVE_OPT( BCASTSYNC )) + proto_config(PROTO_BROADCLIENT, 1, 0., NULL); + + if (HAVE_OPT( CONFIGFILE )) { + config_file = OPT_ARG( CONFIGFILE ); +#ifdef HAVE_NETINFO + check_netinfo = 0; +#endif + } + + if (HAVE_OPT( DRIFTFILE )) + stats_config(STATS_FREQ_FILE, OPT_ARG( DRIFTFILE )); + + if (HAVE_OPT( PANICGATE )) + allow_panic = TRUE; + +#ifdef HAVE_DROPROOT + if (HAVE_OPT( JAILDIR )) { + droproot = 1; + chrootdir = OPT_ARG( JAILDIR ); + } +#endif + + if (HAVE_OPT( KEYFILE )) + getauthkeys(OPT_ARG( KEYFILE )); + + if (HAVE_OPT( PIDFILE )) + stats_config(STATS_PID_FILE, OPT_ARG( PIDFILE )); + + if (HAVE_OPT( QUIT )) + mode_ntpdate = TRUE; + + if (HAVE_OPT( PROPAGATIONDELAY )) + do { + double tmp; + const char *my_ntp_optarg = OPT_ARG( PROPAGATIONDELAY ); + + if (sscanf(my_ntp_optarg, "%lf", &tmp) != 1) { + msyslog(LOG_ERR, + "command line broadcast delay value %s undecodable", + my_ntp_optarg); + } else { + proto_config(PROTO_BROADDELAY, 0, tmp, NULL); + } + } while (0); + + if (HAVE_OPT( STATSDIR )) + stats_config(STATS_STATSDIR, OPT_ARG( STATSDIR )); + + if (HAVE_OPT( TRUSTEDKEY )) { + int ct = STACKCT_OPT( TRUSTEDKEY ); + const char** pp = STACKLST_OPT( TRUSTEDKEY ); + + do { + u_long tkey; + const char* p = *pp++; + + tkey = (int)atol(p); + if (tkey == 0 || tkey > NTP_MAXKEY) { + msyslog(LOG_ERR, + "command line trusted key %s is invalid", + p); + } else { + authtrust(tkey, 1); + } + } while (--ct > 0); + } + +#ifdef HAVE_DROPROOT + if (HAVE_OPT( USER )) { + droproot = 1; + user = estrdup(OPT_ARG( USER )); + group = strrchr(user, ':'); + if (group != NULL) { + size_t len; + + *group++ = '\0'; /* get rid of the ':' */ + len = group - user; + group = estrdup(group); + user = erealloc(user, len); + } + } +#endif + + if (HAVE_OPT( VAR )) { + int ct; + const char ** pp; + const char * v_assign; + + ct = STACKCT_OPT( VAR ); + pp = STACKLST_OPT( VAR ); + + do { + v_assign = *pp++; + set_sys_var(v_assign, strlen(v_assign) + 1, RW); + } while (--ct > 0); + } + + if (HAVE_OPT( DVAR )) { + int ct = STACKCT_OPT( DVAR ); + const char** pp = STACKLST_OPT( DVAR ); + + do { + const char* my_ntp_optarg = *pp++; + + set_sys_var(my_ntp_optarg, strlen(my_ntp_optarg)+1, + (u_short) (RW | DEF)); + } while (--ct > 0); + } + + if (HAVE_OPT( SLEW )) + loop_config(LOOP_MAX, 600); + + if (HAVE_OPT( UPDATEINTERVAL )) { + long val = OPT_VALUE_UPDATEINTERVAL; + + if (val >= 0) + interface_interval = val; + else { + fprintf(stderr, + "command line interface update interval %ld must not be negative\n", + val); + msyslog(LOG_ERR, + "command line interface update interval %ld must not be negative", + val); + errflg++; + } + } + + + /* save list of servers from cmd line for config_peers() use */ + if (argc > 0) { + cmdline_server_count = argc; + cmdline_servers = argv; + } + + /* display usage & exit with any option processing errors */ + if (errflg) + optionUsage(&ntpdOptions, 2); /* does not return */ +} |