|
 |
1e41691 |
From fdfc8ad6a1069eea6b012972c972798003d58312 Mon Sep 17 00:00:00 2001
|
|
|
1e41691 |
From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
|
|
|
1e41691 |
Date: Tue, 29 Jan 2019 18:07:44 +0100
|
|
|
1e41691 |
Subject: [PATCH] Fallback to ASCII on output IDN conversion error
|
|
|
1e41691 |
|
|
|
1e41691 |
It is possible dig used ACE encoded name in locale, which does not
|
|
|
1e41691 |
support converting it to unicode. Instead of fatal error, fallback to
|
|
|
1e41691 |
ACE name on output.
|
|
|
1e41691 |
|
|
|
1e41691 |
(cherry picked from commit 7f4cb8f9584597fea16de6557124ac8b1bd47440)
|
|
|
1e41691 |
|
|
|
1e41691 |
Modify idna test to fallback to ACE
|
|
|
1e41691 |
|
|
|
1e41691 |
Test valid A-label on input would be displayed as A-label on output if
|
|
|
1e41691 |
locale does not allow U-label.
|
|
|
1e41691 |
|
|
|
1e41691 |
(cherry picked from commit 4ce232f8605bdbe0594ebe5a71383c9d4e6f263b)
|
|
|
1e41691 |
|
|
|
1e41691 |
Emit warning on IDN output failure
|
|
|
1e41691 |
|
|
|
1e41691 |
Warning is emitted before any dig headers.
|
|
|
1e41691 |
|
|
|
1e41691 |
(cherry picked from commit 4b410038c531fbb902cd5fb83174eed1f06cb7d7)
|
|
|
7a958a2 |
---
|
|
|
1e41691 |
bin/dig/dighost.c | 15 +++++++++++++--
|
|
|
1e41691 |
bin/tests/system/idna/tests.sh | 17 +++++++++++++++++
|
|
|
1e41691 |
2 files changed, 30 insertions(+), 2 deletions(-)
|
|
|
7a958a2 |
|
|
|
7a958a2 |
diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
|
|
|
1e41691 |
index 73aaab8..375f99f 100644
|
|
|
7a958a2 |
--- a/bin/dig/dighost.c
|
|
|
7a958a2 |
+++ b/bin/dig/dighost.c
|
|
|
1e41691 |
@@ -4877,9 +4877,20 @@ idn_ace_to_locale(const char *from, char *to, size_t tolen) {
|
|
|
1e41691 |
*/
|
|
|
1e41691 |
res = idn2_to_unicode_8zlz(utf8_src, &tmp_str, 0);
|
|
|
1e41691 |
if (res != IDN2_OK) {
|
|
|
1e41691 |
- fatal("Cannot represent '%s' in the current locale (%s), "
|
|
|
1e41691 |
- "use +noidnout or a different locale",
|
|
|
1e41691 |
+ static bool warned = false;
|
|
|
1e41691 |
+
|
|
|
1e41691 |
+ res = idn2_to_ascii_8z(utf8_src, &tmp_str, 0);
|
|
|
1e41691 |
+ if (res != IDN2_OK) {
|
|
|
1e41691 |
+ fatal("Cannot represent '%s' "
|
|
|
1e41691 |
+ "in the current locale nor ascii (%s), "
|
|
|
1e41691 |
+ "use +noidnout or a different locale",
|
|
|
1e41691 |
from, idn2_strerror(res));
|
|
|
1e41691 |
+ } else if (!warned) {
|
|
|
1e41691 |
+ fprintf(stderr, ";; Warning: cannot represent '%s' "
|
|
|
1e41691 |
+ "in the current locale",
|
|
|
1e41691 |
+ tmp_str);
|
|
|
1e41691 |
+ warned = true;
|
|
|
1e41691 |
+ }
|
|
|
1e41691 |
}
|
|
|
1e41691 |
|
|
|
1e41691 |
/*
|
|
|
1e41691 |
diff --git a/bin/tests/system/idna/tests.sh b/bin/tests/system/idna/tests.sh
|
|
|
1e41691 |
index 7acb0fa..0269bcd 100644
|
|
|
1e41691 |
--- a/bin/tests/system/idna/tests.sh
|
|
|
1e41691 |
+++ b/bin/tests/system/idna/tests.sh
|
|
|
1e41691 |
@@ -244,6 +244,23 @@ idna_enabled_test() {
|
|
|
1e41691 |
idna_test "$text" "+idnin +noidnout" "xn--nxasmq6b.com" "xn--nxasmq6b.com."
|
|
|
1e41691 |
idna_test "$text" "+idnin +idnout" "xn--nxasmq6b.com" "βόλοσ.com."
|
|
|
1e41691 |
|
|
|
1e41691 |
+ # Test of valid A-label in locale that cannot display it
|
|
|
1e41691 |
+ #
|
|
|
1e41691 |
+ # +noidnout: The string is sent as-is to the server and the returned qname
|
|
|
1e41691 |
+ # is displayed in the same form.
|
|
|
1e41691 |
+ # +idnout: The string is sent as-is to the server and the returned qname
|
|
|
1e41691 |
+ # is displayed as the corresponding A-label.
|
|
|
1e41691 |
+ #
|
|
|
1e41691 |
+ # The "+[no]idnout" flag has no effect in these cases.
|
|
|
1e41691 |
+ text="Checking valid A-label in C locale"
|
|
|
1e41691 |
+ label="xn--nxasmq6b.com"
|
|
|
1e41691 |
+ LC_ALL=C idna_test "$text" "" "$label" "$label."
|
|
|
1e41691 |
+ LC_ALL=C idna_test "$text" "+noidnin +noidnout" "$label" "$label."
|
|
|
1e41691 |
+ LC_ALL=C idna_test "$text" "+noidnin +idnout" "$label" "$label."
|
|
|
1e41691 |
+ LC_ALL=C idna_test "$text" "+idnin +noidnout" "$label" "$label."
|
|
|
1e41691 |
+ LC_ALL=C idna_test "$text" "+idnin +idnout" "$label" "$label."
|
|
|
1e41691 |
+ LC_ALL=C idna_test "$text" "+noidnin +idnout" "$label" "$label."
|
|
|
1e41691 |
+
|
|
|
1e41691 |
|
|
|
1e41691 |
|
|
|
1e41691 |
# Tests of invalid A-labels
|
|
|
7a958a2 |
--
|
|
|
7a958a2 |
2.20.1
|
|
|
7a958a2 |
|