From afea5f9539cbf1eeaa85ec77d79eb2f59724f470 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 09:34:15 +0200
Subject: Adding upstream version 1.52.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 fuzz/fuzz_target.cc | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 fuzz/fuzz_target.cc

(limited to 'fuzz/fuzz_target.cc')

diff --git a/fuzz/fuzz_target.cc b/fuzz/fuzz_target.cc
new file mode 100644
index 0000000..4adc5ed
--- /dev/null
+++ b/fuzz/fuzz_target.cc
@@ -0,0 +1,79 @@
+#include <nghttp2/nghttp2.h>
+
+namespace {
+int on_frame_recv_callback(nghttp2_session *session, const nghttp2_frame *frame,
+                           void *user_data) {
+  return 0;
+}
+} // namespace
+
+namespace {
+int on_begin_headers_callback(nghttp2_session *session,
+                              const nghttp2_frame *frame, void *user_data) {
+  return 0;
+}
+} // namespace
+
+namespace {
+int on_header_callback2(nghttp2_session *session, const nghttp2_frame *frame,
+                        nghttp2_rcbuf *name, nghttp2_rcbuf *value,
+                        uint8_t flags, void *user_data) {
+  return 0;
+}
+} // namespace
+
+namespace {
+int before_frame_send_callback(nghttp2_session *session,
+                               const nghttp2_frame *frame, void *user_data) {
+  return 0;
+}
+} // namespace
+
+namespace {
+int on_frame_send_callback(nghttp2_session *session, const nghttp2_frame *frame,
+                           void *user_data) {
+  return 0;
+}
+} // namespace
+
+namespace {
+void send_pending(nghttp2_session *session) {
+  for (;;) {
+    const uint8_t *data;
+    auto n = nghttp2_session_mem_send(session, &data);
+    if (n == 0) {
+      return;
+    }
+  }
+}
+} // namespace
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  nghttp2_session *session;
+  nghttp2_session_callbacks *callbacks;
+
+  nghttp2_session_callbacks_new(&callbacks);
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
+  nghttp2_session_callbacks_set_on_begin_headers_callback(
+      callbacks, on_begin_headers_callback);
+  nghttp2_session_callbacks_set_on_header_callback2(callbacks,
+                                                    on_header_callback2);
+  nghttp2_session_callbacks_set_before_frame_send_callback(
+      callbacks, before_frame_send_callback);
+  nghttp2_session_callbacks_set_on_frame_send_callback(callbacks,
+                                                       on_frame_send_callback);
+
+  nghttp2_session_server_new(&session, callbacks, nullptr);
+  nghttp2_session_callbacks_del(callbacks);
+
+  nghttp2_settings_entry iv{NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100};
+  nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1);
+  send_pending(session);
+  nghttp2_session_mem_recv(session, data, size);
+  send_pending(session);
+
+  nghttp2_session_del(session);
+
+  return 0;
+}
-- 
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