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#include <string>
#include <vector>
#include <fuzzer/FuzzedDataProvider.h>
#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);
FuzzedDataProvider data_provider(data, size);
/* Initialise a random iv */
nghttp2_settings_entry *iv;
int size_of_iv = data_provider.ConsumeIntegralInRange(1, 10);
iv = (nghttp2_settings_entry *)malloc(sizeof(nghttp2_settings_entry) *
size_of_iv);
for (int i = 0; i < size_of_iv; i++) {
iv[i].settings_id = data_provider.ConsumeIntegralInRange(0, 1000);
iv[i].value = data_provider.ConsumeIntegralInRange(0, 1000);
}
nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, size_of_iv);
send_pending(session);
std::vector<uint8_t> d = data_provider.ConsumeRemainingBytes<uint8_t>();
nghttp2_session_mem_recv(session, d.data(), d.size());
send_pending(session);
nghttp2_session_del(session);
free(iv);
return 0;
}
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