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authorJörg Frings-Fürst <debian@jff-webhsoting.net>2026-05-08 11:53:46 +0200
committerJörg Frings-Fürst <debian@jff-webhsoting.net>2026-05-08 11:53:46 +0200
commit5177d88bf591522d1b934e24221e16e02cd1592b (patch)
tree1d8458cb6627ccfc673f791c5f0db45f9c06f7e0 /fuzz/DissectQueryMallocFuzzer.cpp
parenta1dac799b819ba356a2faff3a98d7f5f076c24b6 (diff)
parentc3dce46c5f7cad6bc3cc91cc2c711ac089f25923 (diff)
Update upstream source from tag 'upstream/1.0.1+dfsg'
Update to upstream version '1.0.1+dfsg' with Debian dir 3248cd7c10aca9ce2c693401e326390414aefe62
Diffstat (limited to 'fuzz/DissectQueryMallocFuzzer.cpp')
-rw-r--r--fuzz/DissectQueryMallocFuzzer.cpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/fuzz/DissectQueryMallocFuzzer.cpp b/fuzz/DissectQueryMallocFuzzer.cpp
new file mode 100644
index 0000000..e31e4a3
--- /dev/null
+++ b/fuzz/DissectQueryMallocFuzzer.cpp
@@ -0,0 +1,62 @@
+// Copyright 2020 Google LLC
+// Copyright 2025 Mikhail Khachaiants <mkhachaiants@gmail.com>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "uriparser/Uri.h"
+#include "FuzzingUtils.h"
+#include <cstddef>
+#include <cstdint>
+#include <utility>
+#include <vector>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size) {
+ FuzzedDataProvider fdp(data, size);
+ const UriString query = consumeRemainingBytesAsString(fdp);
+
+ URI_TYPE(QueryList) * query_list = nullptr;
+ int item_count = -1;
+
+ const URI_CHAR * query_start = query.c_str();
+ const URI_CHAR * query_end = query_start + query.size();
+
+ // Break a query like "a=b&2=3" into key/value pairs.
+ int result =
+ URI_FUNC(DissectQueryMalloc)(&query_list, &item_count, query_start, query_end);
+
+ if (query_list == nullptr || result != URI_SUCCESS || item_count < 0) {
+ return 0;
+ }
+
+ int chars_required = 0;
+ if (URI_FUNC(ComposeQueryCharsRequired)(query_list, &chars_required) != URI_SUCCESS) {
+ return 0;
+ }
+
+ if (!chars_required) {
+ URI_FUNC(FreeQueryList)(query_list);
+ return 0;
+ }
+
+ // URI_FUNC(ComposeQuery) requires number of characters including terminator
+ const int buf_size = chars_required + 1;
+
+ std::vector<URI_CHAR> buf(buf_size, 0);
+ int written = -1;
+
+ // Reverse the process of uriDissectQueryMallocA.
+ result = URI_FUNC(ComposeQuery)(buf.data(), query_list, buf_size, &written);
+
+ URI_FUNC(FreeQueryList)(query_list);
+ return 0;
+}