From f67f36978ca9a9f8b1a6065db7d26763c1cc456c Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Fri, 26 Apr 2024 16:02:47 +0000
Subject:  Support dns-0x20 BULLSHIT

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/common/deps-lib/shibari-common     |  2 ++
 src/common/shibari_util_canon_domain.c | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 src/common/shibari_util_canon_domain.c

(limited to 'src/common')

diff --git a/src/common/deps-lib/shibari-common b/src/common/deps-lib/shibari-common
index a5c44a4..eed0d4f 100644
--- a/src/common/deps-lib/shibari-common
+++ b/src/common/deps-lib/shibari-common
@@ -6,5 +6,7 @@ shibari_log_start.o
 shibari_util_qtype_num.o
 shibari_util_qtype_str.o
 shibari_util_rcode_str.o
+shibari_util_canon_domain.o
 shibari_util_get_prefixlen.o
+-ls6dns
 -lskarnet
diff --git a/src/common/shibari_util_canon_domain.c b/src/common/shibari_util_canon_domain.c
new file mode 100644
index 0000000..ece0c9b
--- /dev/null
+++ b/src/common/shibari_util_canon_domain.c
@@ -0,0 +1,20 @@
+/* ISC license. */
+
+#include <stdint.h>
+#include <ctype.h>
+
+#include <s6-dns/s6dns-domain.h>
+
+#include <shibari/util.h>
+
+void shibari_util_canon_domain (s6dns_domain_t *canon, s6dns_domain_t const *orig)
+{
+  uint8_t i = 0 ;
+  canon->len = orig->len ;
+  while (i < orig->len)
+  {
+    uint8_t len = orig->s[i] ;
+    canon->s[i++] = len ;
+    for (; len-- ; i++) canon->s[i] = tolower(orig->s[i]) ;
+  } 
+}
-- 
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