pineapple-src/externals/cpp-httplib/test/fuzzing/server_fuzzer.cc

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2021-06-21 16:57:28 +00:00
#include <httplib.h>
#include <memory>
class FuzzedStream : public httplib::Stream {
public:
FuzzedStream(const uint8_t *data, size_t size)
: data_(data), size_(size), read_pos_(0) {}
ssize_t read(char *ptr, size_t size) override {
if (size + read_pos_ > size_) { size = size_ - read_pos_; }
memcpy(ptr, data_ + read_pos_, size);
read_pos_ += size;
return static_cast<ssize_t>(size);
}
ssize_t write(const char *ptr, size_t size) override {
response_.append(ptr, size);
return static_cast<int>(size);
}
ssize_t write(const char *ptr) { return write(ptr, strlen(ptr)); }
ssize_t write(const std::string &s) { return write(s.data(), s.size()); }
std::string get_remote_addr() const { return ""; }
bool is_readable() const override { return true; }
bool is_writable() const override { return true; }
void get_remote_ip_and_port(std::string &ip, int &port) const override {
ip = "127.0.0.1";
port = 8080;
}
socket_t socket() const override { return 0; }
private:
const uint8_t *data_;
size_t size_;
size_t read_pos_;
std::string response_;
};
class FuzzableServer : public httplib::Server {
public:
void ProcessFuzzedRequest(FuzzedStream &stream) {
bool connection_close = false;
process_request(stream, /*last_connection=*/false, connection_close,
nullptr);
}
};
static FuzzableServer g_server;
extern "C" int LLVMFuzzerInitialize(int * /*argc*/, char *** /*argv*/) {
g_server.Get(R"(.*)",
[&](const httplib::Request & /*req*/, httplib::Response &res) {
res.set_content("response content", "text/plain");
});
g_server.Post(R"(.*)",
[&](const httplib::Request & /*req*/, httplib::Response &res) {
res.set_content("response content", "text/plain");
});
g_server.Put(R"(.*)",
[&](const httplib::Request & /*req*/, httplib::Response &res) {
res.set_content("response content", "text/plain");
});
g_server.Patch(R"(.*)",
[&](const httplib::Request & /*req*/, httplib::Response &res) {
res.set_content("response content", "text/plain");
});
g_server.Delete(
R"(.*)", [&](const httplib::Request & /*req*/, httplib::Response &res) {
res.set_content("response content", "text/plain");
});
g_server.Options(
R"(.*)", [&](const httplib::Request & /*req*/, httplib::Response &res) {
res.set_content("response content", "text/plain");
});
return 0;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
FuzzedStream stream{data, size};
g_server.ProcessFuzzedRequest(stream);
return 0;
}