sbin/ipfw/main.c

90  * The pointers (av[]) and data are in a single chunk of memory.
91  * av[0] points to the original program name, all other entries
99 	char **av, **save_av;
102 	int av_size;			/* compute the av size */
103 	char *av_p;			/* used to build the av list */
156 		av = safe_calloc(av_size, 1);
160 		 * and copy arguments from arg[] to av[]. For each one,
163 		av_p = (char *)&av[ac+1];
169 				av[ac] = av_p;
194 		av = safe_calloc(av_size, 1);
198 		 * and copy arguments from arg[] to av[]
200 		av_p = (char *)&av[oldac+1];
208 				av[ac] = av_p;
225 	av[0] = oldav[0];
226 	av[ac] = NULL;
233 	if ( ac >= 2 && !strcmp(av[1], "sysctl")) {
243 		s = strchr(av[2], '=');
245 			s = !strcmp(av[2], "-a") ? NULL : av[2];
255 			sysctlbyname(av[2], NULL, NULL, &i, sizeof(int));
262 	save_av = av;
265 	while ((ch = getopt(ac, av, "abcdefhinNp:qs:STtv")) != -1)
344 	av += optind;
352 	if (ac > 1 && isdigit(*av[0])) {
353 		char *p = av[0];
355 		av[0] = av[1];
356 		av[1] = p;
365 	if (!strncmp(*av, "nat", strlen(*av)))
367  	else if (!strncmp(*av, "pipe", strlen(*av)))
369 	else if (_substrcmp(*av, "queue") == 0)
371 	else if (_substrcmp(*av, "flowset") == 0)
373 	else if (_substrcmp(*av, "sched") == 0)
375 	else if (!strncmp(*av, "set", strlen(*av))) {
376 		if (ac > 1 && isdigit(av[1][0])) {
377 			co.use_set = strtonum(av[1], 0, resvd_set_number,
381 				    "invalid set number %s\n", av[1]);
382 			ac -= 2; av += 2; co.use_set++;
388 		av++;
397 	if ((co.do_pipe || co.do_nat) && ac > 1 && isdigit(*av[0])) {
398 		char *p = av[0];
400 		av[0] = av[1];
401 		av[1] = p;
405 		if (_substrcmp(*av, "add") == 0)
406 			ipfw_add(av);
407 		else if (co.do_nat && _substrcmp(*av, "show") == 0)
408  			ipfw_show_nat(ac, av);
409 		else if (co.do_pipe && _substrcmp(*av, "config") == 0)
410 			ipfw_config_pipe(ac, av);
411 		else if (co.do_nat && _substrcmp(*av, "config") == 0)
412  			ipfw_config_nat(ac, av);
413 		else if (_substrcmp(*av, "set") == 0)
414 			ipfw_sets_handler(av);
415 		else if (_substrcmp(*av, "table") == 0)
416 			ipfw_table_handler(ac, av);
417 		else if (_substrcmp(*av, "enable") == 0)
418 			ipfw_sysctl_handler(av, 1);
419 		else if (_substrcmp(*av, "disable") == 0)
420 			ipfw_sysctl_handler(av, 0);
426 		if (_substrcmp(*av, "delete") == 0)
427 			ipfw_delete(av);
428 		else if (_substrcmp(*av, "flush") == 0)
430 		else if (_substrcmp(*av, "zero") == 0)
431 			ipfw_zero(ac, av, 0 /* IP_FW_ZERO */);
432 		else if (_substrcmp(*av, "resetlog") == 0)
433 			ipfw_zero(ac, av, 1 /* IP_FW_RESETLOG */);
434 		else if (_substrcmp(*av, "print") == 0 ||
435 			 _substrcmp(*av, "list") == 0)
436 			ipfw_list(ac, av, do_acct);
437 		else if (_substrcmp(*av, "show") == 0)
438 			ipfw_list(ac, av, 1 /* show counters */);
440 			errx(EX_USAGE, "bad command `%s'", *av);
450 ipfw_readfile(int ac, char *av[])
454 	char *progname = av[0];		/* original program name */
456 	const char *filename = av[ac-1]; /* file to read */
461 	while ((c = getopt(ac, av, "cfNnp:qS")) != -1) {
487 			 * - advance av by optind-1 to skip arguments
491 			 * - set the last entry in av[] to NULL so
498 			av[ac-1] = NULL;
499 			av += optind - 1;
520 		errx(EX_USAGE, "extraneous filename arguments %s", av[ac-1]);
546 			execvp(cmd, av);
590 main(int ac, char *av[])
611 	if (ac > 1 && av[ac - 1][0] == '/') {
612 		if (access(av[ac - 1], R_OK) == 0)
613 			ipfw_readfile(ac, av);
615 			err(EX_USAGE, "pathname: %s", av[ac - 1]);
617 		if (ipfw_main(ac, av)) {