/* Distributed Checksum Clearinghouse
 *
 * check a supposed IP address range for the CGI scripts
 *
 * --C-LICENSE--
 * $Revision: 1.9 $
 */

#include "dcc_defs.h"
#include <arpa/inet.h>

static DCC_EMSG dcc_emsg;

static void DCC_NORET
usage(void)
{
	dcc_logbad(EX_USAGE, "usage: [-V] range");
}



int
main(int argc, char **argv)
{
	u_char print_version = 0;
	DCC_IP_RANGE range;
	char buf[INET6_ADDRSTRLEN+1+INET6_ADDRSTRLEN+1];
	const char *str;
	int i, result;

	while ((i = getopt(argc, argv, "V")) != EOF) {
		switch (i) {
		case 'V':
			dcc_version_print();
			print_version = 1;
			break;
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;
	if (argc == 0) {
		if (print_version)
			exit(EX_OK);
		usage();
	}

	result = EX_OK;
	while ((str = *argv++) != 0) {
		i = str2range(&dcc_emsg, &range, 0, str, 0, 0);
		if (0 > i) {
			result = emsg_ex_code(&dcc_emsg);
			fprintf(stderr, "%s\n", dcc_emsg.c);
		} else if (i == 0) {
			result = EX_DATAERR;
			fprintf(stderr, "invalid IP address \"%s\"\n", str);
		} else {
			printf("%s\n", range2str(buf, sizeof(buf), &range));
		}
	}

	exit(result);
}