Add a -k flag for querying whois.krnic.net (the National Internet

Development Agency of Korea) which hold details of IP address
allocations within Korea.

Approved by:	bms

2 files changed, 13 insertions, 3 deletions

diff --git a/usr.bin/whois/whois.1 b/usr.bin/whois/whois.1
index 28efda159057..6977cf23f930 100644
--- a/usr.bin/whois/whois.1
+++ b/usr.bin/whois/whois.1
@@ -40,7 +40,7 @@
 .Nd "Internet domain name and network number directory service"
 .Sh SYNOPSIS
 .Nm
-.Op Fl aAbdgiIlmQrR6
+.Op Fl aAbdgiIklmQrR6
 .Op Fl c Ar country-code | Fl h Ar host
 .Op Fl p Ar port
 .Ar name ...
@@ -157,6 +157,12 @@ Use the Internet Assigned Numbers Authority
 .Pq Tn IANA
 database.
 It contains network information for top-level domains.
+.It Fl k
+Use the National Internet Development Agency of Korea's
+.Pq Tn KRNIC
+database.
+It contains network numbers and domain contact information
+for Korea.
 .It Fl l
 Use the Latin American and Caribbean IP address Regional Registry
 .Pq Tn LACNIC
diff --git a/usr.bin/whois/whois.c b/usr.bin/whois/whois.c
index def4fdf58c1f..51ca8c8b5d62 100644
--- a/usr.bin/whois/whois.c
+++ b/usr.bin/whois/whois.c
@@ -67,6 +67,7 @@ __FBSDID("$FreeBSD$");
 #define	GNICHOST	"whois.nic.gov"
 #define	ANICHOST	"whois.arin.net"
 #define	LNICHOST	"whois.lacnic.net"
+#define	KNICHOST	"whois.krnic.net"
 #define	RNICHOST	"whois.ripe.net"
 #define	PNICHOST	"whois.apnic.net"
 #define	MNICHOST	"whois.ra.net"
@@ -107,7 +108,7 @@ main(int argc, char *argv[])
 
 	country = host = qnichost = NULL;
 	flags = use_qnichost = 0;
-	while ((ch = getopt(argc, argv, "aAbc:dgh:iIlmp:QrR6")) != -1) {
+	while ((ch = getopt(argc, argv, "aAbc:dgh:iIklmp:QrR6")) != -1) {
 		switch (ch) {
 		case 'a':
 			host = ANICHOST;
@@ -136,6 +137,9 @@ main(int argc, char *argv[])
 		case 'I':
 			host = IANAHOST;
 			break;
+		case 'k':
+			host = KNICHOST;
+			break;
 		case 'l':
 			host = LNICHOST;
 			break;
@@ -351,7 +355,7 @@ static void
 usage(void)
 {
 	fprintf(stderr,
-	    "usage: whois [-aAbdgiIlmQrR6] [-c country-code | -h hostname] "
+	    "usage: whois [-aAbdgiIklmQrR6] [-c country-code | -h hostname] "
 	    "[-p port] name ...\n");
 	exit(EX_USAGE);
 }