From: MonkeybreadSoftware <support@monkeybreadsoftware.de>
Date: Sat, 13 Jul 2024 20:14:01 +0000 (+0200)
Subject: IDN: fix ß with AppleIDN
X-Git-Tag: curl-8_9_0~49
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fd0250869f7837e4a48d7e6f54cc0801ad3820e8;p=thirdparty%2Fcurl.git

IDN: fix ß with AppleIDN

Add flags UIDNA_NONTRANSITIONAL_TO_ASCII and
UIDNA_NONTRANSITIONAL_TO_UNICODE to encode ß correctly.

It fixes test 165.

Reported-by: Viktor Szakats
Bug: #14176
Closes #14179
---

diff --git a/lib/idn.c b/lib/idn.c
index e56970fbb6..8d6bfe7ce6 100644
--- a/lib/idn.c
+++ b/lib/idn.c
@@ -57,7 +57,8 @@
 static CURLcode mac_idn_to_ascii(const char *in, char **out)
 {
   UErrorCode err = U_ZERO_ERROR;
-  UIDNA* idna = uidna_openUTS46(UIDNA_CHECK_BIDI, &err);
+  UIDNA* idna = uidna_openUTS46(
+    UIDNA_CHECK_BIDI|UIDNA_NONTRANSITIONAL_TO_ASCII, &err);
   if(U_FAILURE(err)) {
     return CURLE_OUT_OF_MEMORY;
   }
@@ -83,7 +84,8 @@ static CURLcode mac_idn_to_ascii(const char *in, char **out)
 static CURLcode mac_ascii_to_idn(const char *in, char **out)
 {
   UErrorCode err = U_ZERO_ERROR;
-  UIDNA* idna = uidna_openUTS46(UIDNA_CHECK_BIDI, &err);
+  UIDNA* idna = uidna_openUTS46(
+    UIDNA_CHECK_BIDI|UIDNA_NONTRANSITIONAL_TO_UNICODE, &err);
   if(U_FAILURE(err)) {
     return CURLE_OUT_OF_MEMORY;
   }