whois/whois-5.2.15-fix-CIDR-with-libidn2.patch

From d6e33ff64742f48f2022980fd4889ec36662cc30 Mon Sep 17 00:00:00 2001
From: Andreas Stieger <astieger@suse.com>
Date: Tue, 4 Apr 2017 18:27:37 +0200
Subject: [PATCH 1/2] Fix CIDR notation and IPv6 queries with libidn2

Fixes #50
Fixes https://bugzilla.opensuse.org/show_bug.cgi?id=1026831
Signed-off-by: Andreas Stieger <astieger@suse.com>
---
 whois.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/whois.c b/whois.c
index 8f5f1f1..7259c7f 100644
--- a/whois.c
+++ b/whois.c
@@ -1172,6 +1172,12 @@ char *normalize_domain(const char *dom)
 	int prefix_len;
 
 #ifdef HAVE_LIBIDN2
+        /* skip CIDR notation */
+	if (NULL != strchr(domain_start, '/'))
+            return ret;
+	/* skip IPv6 */
+	if (NULL != strchr(domain_start, ':'))
+            return ret;
 	if (idn2_lookup_ul(domain_start, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
 	    return ret;
 #else
@@ -1193,6 +1199,12 @@ char *normalize_domain(const char *dom)
 	char *q;
 
 #ifdef HAVE_LIBIDN2
+        /* skip CIDR notation */
+	if (NULL != strchr(ret, '/'))
+            return ret;
+        /* skip IPv6 */
+	if (NULL != strchr(ret, ':'))
+            return ret;
 	if (idn2_lookup_ul(ret, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
 	    return ret;
 #else

From 1e6a7b3f0d585768f7136abda2db797c64159157 Mon Sep 17 00:00:00 2001
From: Andreas Stieger <astieger@suse.com>
Date: Tue, 23 May 2017 23:30:11 +0200
Subject: [PATCH 2/2] When using libidn2, also try IDNA 2008 transitional

---
 whois.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/whois.c b/whois.c
index 7259c7f..00ca962 100644
--- a/whois.c
+++ b/whois.c
@@ -1179,7 +1179,8 @@ char *normalize_domain(const char *dom)
 	if (NULL != strchr(domain_start, ':'))
             return ret;
 	if (idn2_lookup_ul(domain_start, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
-	    return ret;
+	    if (idn2_lookup_ul(domain_start, &q, IDN2_TRANSITIONAL) != IDN2_OK)
+	        return ret;
 #else
 	if (idna_to_ascii_lz(domain_start, &q, 0) != IDNA_SUCCESS)
 	    return ret;
@@ -1206,7 +1207,8 @@ char *normalize_domain(const char *dom)
 	if (NULL != strchr(ret, ':'))
             return ret;
 	if (idn2_lookup_ul(ret, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
-	    return ret;
+	    if (idn2_lookup_ul(ret, &q, IDN2_TRANSITIONAL) != IDN2_OK)
+	        return ret;
 #else
 	if (idna_to_ascii_lz(ret, &q, 0) != IDNA_SUCCESS)
 	    return ret;