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From 86d58c452e0028ea3b59a6ceac7060ece99b4fd2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ingo=20Kl=C3=B6cker?= <dev@ingo-kloecker.de>
Date: Mon, 14 Jul 2025 12:24:09 +0200
Subject: [PATCH 4/4] Improve the fix for the DN parser
* src/dn.cpp (parse_dn_part): Set end of hex string to size of string if
no non-hex characters were found. Remove special-casing of remove_prefix
call.
--
---
src/dn.cpp | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/src/dn.cpp b/src/dn.cpp
index 90632cc..fb64c6e 100644
--- a/src/dn.cpp
+++ b/src/dn.cpp
@@ -213,19 +213,18 @@ static std::pair<std::optional<std::string_view>, std::pair<std::string, std::st
if (stringv.front() == '#') {
/* hexstring */
stringv.remove_prefix(1);
auto endHex = stringv.find_first_not_of("1234567890abcdefABCDEF"sv);
+ if (endHex == std::string_view::npos) {
+ endHex = stringv.size();
+ }
auto value = parseHexString(stringv.substr(0, endHex));
if (!value.has_value()) {
return {};
}
- if (endHex == std::string_view::npos) {
- stringv = {};
- } else {
- stringv.remove_prefix(endHex);
- }
+ stringv.remove_prefix(endHex);
dnPair.second = value.value();
} else if (stringv.front() == '"') {
stringv.remove_prefix(1);
std::string value;
bool stop = false;
--
2.51.0
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