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WebSocket.cpp
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59 lines (42 loc) · 1.55 KB
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/* This is a fuzz test of the websocket parser */
#define WIN32_EXPORT
#include "helpers.h"
/* We test the websocket parser */
#include "../src/WebSocketProtocol.h"
struct Impl {
static bool refusePayloadLength(uint64_t length, uWS::WebSocketState<true> *wState, void *s) {
/* We need a limit */
if (length > 16000) {
return true;
}
/* Return ok */
return false;
}
static bool setCompressed(uWS::WebSocketState<true> *wState, void *s) {
/* We support it */
return true;
}
static void forceClose(uWS::WebSocketState<true> *wState, void *s, std::string_view reason = {}) {
}
static bool handleFragment(char *data, size_t length, unsigned int remainingBytes, int opCode, bool fin, uWS::WebSocketState<true> *webSocketState, void *s) {
if (opCode == uWS::TEXT) {
if (!uWS::protocol::isValidUtf8((unsigned char *)data, length)) {
/* Return break */
return true;
}
} else if (opCode == uWS::CLOSE) {
uWS::protocol::parseClosePayload((char *)data, length);
}
/* Return ok */
return false;
}
};
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
/* Create the parser state */
uWS::WebSocketState<true> state;
makeChunked(makePadded(data, size), size, [&state](const uint8_t *data, size_t size) {
/* Parse it */
uWS::WebSocketProtocol<true, Impl>::consume((char *) data, size, &state, nullptr);
});
return 0;
}