From 7e7c65abb6b3b3874db1ee92eb5c856c592636ad Mon Sep 17 00:00:00 2001
From: Luke <luke.wilde@live.co.uk>
Date: Wed, 21 Jul 2021 02:15:01 +0100
Subject: [PATCH] Lagom/Fuzzers: Add fuzzer for the quoted printable decoder

---
 Meta/Lagom/Fuzzers/CMakeLists.txt                |  1 +
 Meta/Lagom/Fuzzers/FuzzQuotedPrintableParser.cpp | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 Meta/Lagom/Fuzzers/FuzzQuotedPrintableParser.cpp

diff --git a/Meta/Lagom/Fuzzers/CMakeLists.txt b/Meta/Lagom/Fuzzers/CMakeLists.txt
index 4a7d4a9654..4b88ba08a9 100644
--- a/Meta/Lagom/Fuzzers/CMakeLists.txt
+++ b/Meta/Lagom/Fuzzers/CMakeLists.txt
@@ -32,6 +32,7 @@ add_simple_fuzzer(FuzzPNGLoader)
 add_simple_fuzzer(FuzzPBMLoader)
 add_simple_fuzzer(FuzzPGMLoader)
 add_simple_fuzzer(FuzzPPMLoader)
+add_simple_fuzzer(FuzzQuotedPrintableParser)
 add_simple_fuzzer(FuzzHebrewDecoder)
 add_simple_fuzzer(FuzzHttpRequest)
 add_simple_fuzzer(FuzzIMAPParser)
diff --git a/Meta/Lagom/Fuzzers/FuzzQuotedPrintableParser.cpp b/Meta/Lagom/Fuzzers/FuzzQuotedPrintableParser.cpp
new file mode 100644
index 0000000000..ad85fcb9de
--- /dev/null
+++ b/Meta/Lagom/Fuzzers/FuzzQuotedPrintableParser.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/String.h>
+#include <AK/StringView.h>
+#include <LibIMAP/QuotedPrintable.h>
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
+{
+    auto quoted_printable_string = StringView(static_cast<unsigned char const*>(data), size);
+    IMAP::decode_quoted_printable(quoted_printable_string);
+    return 0;
+}