#include <u.h>
#include <libc.h>
#include <ip.h>

void
usage(void)
{
	fprint(2, "usage: inrange [-4 | -6] ipaddr iprange [iprange...]\n");
	exits("usage");
}

void
main(int argc, char *argv[])
{
	int i, ipver;
	uchar mask[IPaddrlen];
	uchar qip[IPaddrlen], rip[IPaddrlen], mqip[IPaddrlen], mrip[IPaddrlen];

	fmtinstall('V', eipfmt);
	fmtinstall('I', eipfmt);

	ipver=4;

	ARGBEGIN {
	case '4':
		ipver=4;
		break;
	case '6':
		ipver=6;
		break;
	} ARGEND

	if(argc < 2)
		usage();

	if(ipver==4) {
		v4parseip(qip, argv[0]);
		for(i=1; i<argc; i++) {
			v4parseip(rip, strtok(argv[i], "/"));
/*			parseipmask(mask, strcat("/", strtok(nil, "/"))); /* causes missing prints */
			parseipmask(mask, smprint("%s/", strtok(nil, "/")));
			fprint(2, "%V %V\n", qip, rip);
			maskip(qip, mask, mqip);
			maskip(rip, mask, mrip);
			fprint(2, "%V %V\n", mqip, mrip);
			if(equivip4(mqip, mrip))
				exits(nil);
		}
		exits("no match");
	} else if(ipver==6) {
		parseip(qip, argv[0]);
		for(i=1; i<argc; i++) {
			parseip(rip, strtok(argv[i], "/"));
/*			parseipmask(mask, strcat("/", strtok(nil, "/"))); /* causes missing prints */
			parseipmask(mask, smprint("%s/", strtok(nil, "/")));
			fprint(2, "%I %I\n", qip, rip);
			maskip(qip, mask, mqip);
			maskip(rip, mask, mrip);
			fprint(2, "%I %I\n", mqip, mrip);
			if(equivip6(mqip, mrip))
				exits(nil);
		}
		exits("no match");
	} else
		usage();
}