// Fuzzer that runs darkhttpd in a background thread. #include #include #include #include #include #include #include extern "C" int darkhttpd(int argc, const char** argv); namespace { int argc = 4; const char* argv[] = {"./a.out", "tmp.fuzz", "--log", "/dev/null"}; std::thread* thr; const char* host = "127.0.0.1"; int port = 8080; struct sockaddr_in addrin; } // namespace extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { static bool inited = false; if (!inited) { thr = new std::thread([]() { darkhttpd(argc, argv); }); addrin.sin_family = AF_INET; addrin.sin_port = htons(port); if (inet_aton(host, &addrin.sin_addr) == 0) err(1, "inet_aton"); inited = true; sleep(1); } char buf[4096]; ssize_t rcvd, sent; int fd = socket(AF_INET, SOCK_STREAM, 0); if (fd == -1) err(1, "socket"); if (connect(fd, (const struct sockaddr*)&addrin, sizeof(struct sockaddr)) == -1) err(1, "connect"); sent = send(fd, data, size, 0); if (sent != size) err(1, "send"); send(fd, "\n\n\n", 3, 0); // To finish the request so we can recv(). rcvd = recv(fd, buf, sizeof(buf), 0); // if (rcvd == -1) err(1, "recv"); close(fd); return 0; } /* vim:set ts=2 sw=2 sts=2 expandtab tw=78: */