tools/fidl/fidlgen_libfuzzer/goldens/protocols.cc.golden

// WARNING: This file is machine generated by fidlgen.

#include <fidl/test/protocols/cpp/libfuzzer.h>
#include <lib/async-loop/cpp/loop.h>
#include <lib/async-loop/default.h>
#include <lib/fidl/cpp/fuzzing/fuzzer.h>
#include <lib/fidl/cpp/interface_ptr.h>
#include <lib/zx/channel.h>
#include <zircon/errors.h>
#include <zircon/syscalls.h>
#include <zircon/types.h>

using namespace ::fuzzing;
using namespace ::fidl::test::protocols;

// Add //build/fuzzing:fuzzing_verbose_logging to a GN target's configs to
// enable.
#if FUZZING_VERBOSE_LOGGING
#include <stdio.h>
#define xprintf(fmt...) printf(fmt)
#else
#define xprintf(fmt...) \
  do {                  \
  } while (0)
#endif

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data_, size_t size_) {
  static ::async::Loop* loop_ = nullptr;

  if (loop_ == nullptr) {
    xprintf("Starting client async loop\n");
    loop_ = new ::async::Loop(&kAsyncLoopConfigAttachToCurrentThread);
  }

  // Must fuzz some protocol; first two bytes used to select protocol and
  // method.
  if (size_ < 2) {
    xprintf("Early exit: Input too small: %zu\n", size_);
    return 0;
  }
  size_ -= 2;

  uint8_t protocol_selector_ = data_[0];
  uint8_t protocol_selection_ = protocol_selector_ % 5;

  xprintf("Starting fuzzer with %zu bytes of data\n", size_);

  // Hardcode mutually-exclusive if blocks that selects exactly one protocol.
  [[maybe_unused]] zx_status_t status_;
  if (protocol_selection_ == 0) {
#if !defined(PROTOCOL_fidl_test_protocols_DiscoverableProtocol)
    // Selected protocol from FIDL file that is not part of this fuzzer.
    xprintf(
        "Early exit: Chose disabled protocol: "
        "fidl_test_protocols_DiscoverableProtocol\n");
    return 0;
#else

    ::fidl::InterfacePtr< ::fidl::test::protocols::DiscoverableProtocol>
        protocol_;

    xprintf("Starting fidl_test_protocols_DiscoverableProtocol service\n");
    ::fidl::fuzzing::Fuzzer< ::fidl::test::protocols::DiscoverableProtocol>
        fuzzer_(loop_->dispatcher());
    if ((status_ = fuzzer_.Init()) != ZX_OK) {
      xprintf("Early exit: fuzzer.Init returned bad status: %d\n", status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindService()) != ZX_OK) {
      xprintf("Early exit: fuzzer.BindService returned bad status: %d\n",
              status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindClient(&protocol_, loop_->dispatcher())) !=
        ZX_OK) {
      xprintf("Early exit: fuzzer.BindClient returned bad status: %d\n",
              status_);
      return 0;
    }

    FuzzInput src_(data_, size_);

    uint8_t method_selector_ = data_[1];
    uint8_t method_selection_ = method_selector_ % 1;

    loop_->RunUntilIdle();

    if ((status_ = fuzzer_.WaitForCallback()) != ZX_OK) {
      xprintf("fuzzer.WaitForCallback returned bad status: %d\n", status_);
    }

    protocol_.Unbind();
#endif
  }
  if (protocol_selection_ == 1) {
#if !defined(PROTOCOL_fidl_test_protocols_Transitional)
    // Selected protocol from FIDL file that is not part of this fuzzer.
    xprintf(
        "Early exit: Chose disabled protocol: "
        "fidl_test_protocols_Transitional\n");
    return 0;
#else

    ::fidl::InterfacePtr< ::fidl::test::protocols::Transitional> protocol_;

    xprintf("Starting fidl_test_protocols_Transitional service\n");
    ::fidl::fuzzing::Fuzzer< ::fidl::test::protocols::Transitional> fuzzer_(
        loop_->dispatcher());
    if ((status_ = fuzzer_.Init()) != ZX_OK) {
      xprintf("Early exit: fuzzer.Init returned bad status: %d\n", status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindService()) != ZX_OK) {
      xprintf("Early exit: fuzzer.BindService returned bad status: %d\n",
              status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindClient(&protocol_, loop_->dispatcher())) !=
        ZX_OK) {
      xprintf("Early exit: fuzzer.BindClient returned bad status: %d\n",
              status_);
      return 0;
    }

    FuzzInput src_(data_, size_);

    uint8_t method_selector_ = data_[1];
    uint8_t method_selection_ = method_selector_ % 3;
    if (method_selection_ == 0) {
#if !(ALL_METHODS || defined(METHOD_Request))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: Request\n");
      return 0;
#else
      const size_t min_size_ = MinSize<int64_t>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize<int64_t>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for int64_t x\n", param_size_);
      int64_t x = Allocate<int64_t>{}(&src_, &param_size_);

      xprintf("Invoking method fidl_test_protocols_Transitional.Request\n");
      protocol_->Request(
          std::move(x),
          [signaller = fuzzer_.NewCallbackSignaller()](int64_t y) {
            xprintf("Invoked fidl_test_protocols_Transitional.Request\n");
            zx_status_t status_ = signaller.SignalCallback();
            if (status_ != ZX_OK) {
              xprintf("signaller.SignalCallback returned bad status: %d\n",
                      status_);
            }
          });
#endif
    }
    if (method_selection_ == 1) {
#if !(ALL_METHODS || defined(METHOD_OneWay))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: OneWay\n");
      return 0;
#else
      const size_t min_size_ = MinSize<int64_t>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize<int64_t>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for int64_t x\n", param_size_);
      int64_t x = Allocate<int64_t>{}(&src_, &param_size_);

      xprintf("Invoking method fidl_test_protocols_Transitional.OneWay\n");
      protocol_->OneWay(std::move(x));
#endif
    }

    loop_->RunUntilIdle();

    if ((status_ = fuzzer_.WaitForCallback()) != ZX_OK) {
      xprintf("fuzzer.WaitForCallback returned bad status: %d\n", status_);
    }

    protocol_.Unbind();
#endif
  }
  if (protocol_selection_ == 2) {
#if !defined(PROTOCOL_fidl_test_protocols_ChannelProtocol)
    // Selected protocol from FIDL file that is not part of this fuzzer.
    xprintf(
        "Early exit: Chose disabled protocol: "
        "fidl_test_protocols_ChannelProtocol\n");
    return 0;
#else

    ::fidl::InterfacePtr< ::fidl::test::protocols::ChannelProtocol> protocol_;

    xprintf("Starting fidl_test_protocols_ChannelProtocol service\n");
    ::fidl::fuzzing::Fuzzer< ::fidl::test::protocols::ChannelProtocol> fuzzer_(
        loop_->dispatcher());
    if ((status_ = fuzzer_.Init()) != ZX_OK) {
      xprintf("Early exit: fuzzer.Init returned bad status: %d\n", status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindService()) != ZX_OK) {
      xprintf("Early exit: fuzzer.BindService returned bad status: %d\n",
              status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindClient(&protocol_, loop_->dispatcher())) !=
        ZX_OK) {
      xprintf("Early exit: fuzzer.BindClient returned bad status: %d\n",
              status_);
      return 0;
    }

    FuzzInput src_(data_, size_);

    uint8_t method_selector_ = data_[1];
    uint8_t method_selection_ = method_selector_ % 5;
    if (method_selection_ == 0) {
#if !(ALL_METHODS || defined(METHOD_MethodA))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: MethodA\n");
      return 0;
#else
      const size_t min_size_ = MinSize<int64_t>() + MinSize<int64_t>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 2;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize<int64_t>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for int64_t a\n", param_size_);
      int64_t a = Allocate<int64_t>{}(&src_, &param_size_);
      param_size_ = MinSize<int64_t>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for int64_t b\n", param_size_);
      int64_t b = Allocate<int64_t>{}(&src_, &param_size_);

      xprintf("Invoking method fidl_test_protocols_ChannelProtocol.MethodA\n");
      protocol_->MethodA(std::move(a), std::move(b));
#endif
    }
    if (method_selection_ == 2) {
#if !(ALL_METHODS || defined(METHOD_MethodB))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: MethodB\n");
      return 0;
#else
      const size_t min_size_ = MinSize<int64_t>() + MinSize<int64_t>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 2;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize<int64_t>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for int64_t a\n", param_size_);
      int64_t a = Allocate<int64_t>{}(&src_, &param_size_);
      param_size_ = MinSize<int64_t>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for int64_t b\n", param_size_);
      int64_t b = Allocate<int64_t>{}(&src_, &param_size_);

      xprintf("Invoking method fidl_test_protocols_ChannelProtocol.MethodB\n");
      protocol_->MethodB(
          std::move(a), std::move(b),
          [signaller = fuzzer_.NewCallbackSignaller()](int64_t result) {
            xprintf("Invoked fidl_test_protocols_ChannelProtocol.MethodB\n");
            zx_status_t status_ = signaller.SignalCallback();
            if (status_ != ZX_OK) {
              xprintf("signaller.SignalCallback returned bad status: %d\n",
                      status_);
            }
          });
#endif
    }
    if (method_selection_ == 3) {
#if !(ALL_METHODS || defined(METHOD_TakeHandle))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: TakeHandle\n");
      return 0;
#else
      const size_t min_size_ = MinSize< ::zx::handle>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize< ::zx::handle>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for ::zx::handle h\n", param_size_);
      ::zx::handle h = Allocate< ::zx::handle>{}(&src_, &param_size_);

      xprintf(
          "Invoking method fidl_test_protocols_ChannelProtocol.TakeHandle\n");
      protocol_->TakeHandle(std::move(h));
#endif
    }
    if (method_selection_ == 4) {
#if !(ALL_METHODS || defined(METHOD_MutateSocket))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: MutateSocket\n");
      return 0;
#else
      const size_t min_size_ = MinSize< ::zx::socket>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize< ::zx::socket>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for ::zx::socket a\n", param_size_);
      ::zx::socket a = Allocate< ::zx::socket>{}(&src_, &param_size_);

      xprintf(
          "Invoking method fidl_test_protocols_ChannelProtocol.MutateSocket\n");
      protocol_->MutateSocket(
          std::move(a),
          [signaller = fuzzer_.NewCallbackSignaller()](::zx::socket b) {
            xprintf(
                "Invoked fidl_test_protocols_ChannelProtocol.MutateSocket\n");
            zx_status_t status_ = signaller.SignalCallback();
            if (status_ != ZX_OK) {
              xprintf("signaller.SignalCallback returned bad status: %d\n",
                      status_);
            }
          });
#endif
    }

    loop_->RunUntilIdle();

    if ((status_ = fuzzer_.WaitForCallback()) != ZX_OK) {
      xprintf("fuzzer.WaitForCallback returned bad status: %d\n", status_);
    }

    protocol_.Unbind();
#endif
  }
  if (protocol_selection_ == 3) {
#if !defined(PROTOCOL_fidl_test_protocols_WithAndWithoutRequestResponse)
    // Selected protocol from FIDL file that is not part of this fuzzer.
    xprintf(
        "Early exit: Chose disabled protocol: "
        "fidl_test_protocols_WithAndWithoutRequestResponse\n");
    return 0;
#else

    ::fidl::InterfacePtr<
        ::fidl::test::protocols::WithAndWithoutRequestResponse>
        protocol_;

    xprintf(
        "Starting fidl_test_protocols_WithAndWithoutRequestResponse service\n");
    ::fidl::fuzzing::Fuzzer<
        ::fidl::test::protocols::WithAndWithoutRequestResponse>
        fuzzer_(loop_->dispatcher());
    if ((status_ = fuzzer_.Init()) != ZX_OK) {
      xprintf("Early exit: fuzzer.Init returned bad status: %d\n", status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindService()) != ZX_OK) {
      xprintf("Early exit: fuzzer.BindService returned bad status: %d\n",
              status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindClient(&protocol_, loop_->dispatcher())) !=
        ZX_OK) {
      xprintf("Early exit: fuzzer.BindClient returned bad status: %d\n",
              status_);
      return 0;
    }

    FuzzInput src_(data_, size_);

    uint8_t method_selector_ = data_[1];
    uint8_t method_selection_ = method_selector_ % 8;
    if (method_selection_ == 3) {
#if !(ALL_METHODS || defined(METHOD_WithRequestNoResponse))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: WithRequestNoResponse\n");
      return 0;
#else
      const size_t min_size_ = MinSize< ::std::string>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize< ::std::string>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for ::std::string arg\n", param_size_);
      ::std::string arg = Allocate< ::std::string>{}(&src_, &param_size_);

      xprintf(
          "Invoking method "
          "fidl_test_protocols_WithAndWithoutRequestResponse."
          "WithRequestNoResponse\n");
      protocol_->WithRequestNoResponse(std::move(arg));
#endif
    }
    if (method_selection_ == 4) {
#if !(ALL_METHODS || defined(METHOD_WithRequestEmptyResponse))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: WithRequestEmptyResponse\n");
      return 0;
#else
      const size_t min_size_ = MinSize< ::std::string>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize< ::std::string>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for ::std::string arg\n", param_size_);
      ::std::string arg = Allocate< ::std::string>{}(&src_, &param_size_);

      xprintf(
          "Invoking method "
          "fidl_test_protocols_WithAndWithoutRequestResponse."
          "WithRequestEmptyResponse\n");
      protocol_->WithRequestEmptyResponse(std::move(arg));
#endif
    }
    if (method_selection_ == 5) {
#if !(ALL_METHODS || defined(METHOD_WithRequestWithResponse))
      // Selected method from protocol that is not part of this fuzzer.
      xprintf("Early exit: Chose disabled method: WithRequestWithResponse\n");
      return 0;
#else
      const size_t min_size_ = MinSize< ::std::string>();

      // Must have enough bytes for input.
      if (size_ < min_size_) {
        xprintf("Early exit: Input size too small: %zu < %zu\n", size_,
                min_size_);
        return 0;
      }

      const size_t slack_size_ = size_ - min_size_;
      const size_t slack_size_per_param = slack_size_ / 1;

      xprintf("Allocating parameters with %zu bytes (%zu bytes each)\n",
              slack_size_, slack_size_per_param);

      size_t param_size_;
      param_size_ = MinSize< ::std::string>() + slack_size_per_param;
      xprintf("Allocating %zu bytes for ::std::string arg\n", param_size_);
      ::std::string arg = Allocate< ::std::string>{}(&src_, &param_size_);

      xprintf(
          "Invoking method "
          "fidl_test_protocols_WithAndWithoutRequestResponse."
          "WithRequestWithResponse\n");
      protocol_->WithRequestWithResponse(
          std::move(arg),
          [signaller = fuzzer_.NewCallbackSignaller()](::std::string ret) {
            xprintf(
                "Invoked "
                "fidl_test_protocols_WithAndWithoutRequestResponse."
                "WithRequestWithResponse\n");
            zx_status_t status_ = signaller.SignalCallback();
            if (status_ != ZX_OK) {
              xprintf("signaller.SignalCallback returned bad status: %d\n",
                      status_);
            }
          });
#endif
    }

    loop_->RunUntilIdle();

    if ((status_ = fuzzer_.WaitForCallback()) != ZX_OK) {
      xprintf("fuzzer.WaitForCallback returned bad status: %d\n", status_);
    }

    protocol_.Unbind();
#endif
  }
  if (protocol_selection_ == 4) {
#if !defined(PROTOCOL_fidl_test_protocols_WithErrorSyntax)
    // Selected protocol from FIDL file that is not part of this fuzzer.
    xprintf(
        "Early exit: Chose disabled protocol: "
        "fidl_test_protocols_WithErrorSyntax\n");
    return 0;
#else

    ::fidl::InterfacePtr< ::fidl::test::protocols::WithErrorSyntax> protocol_;

    xprintf("Starting fidl_test_protocols_WithErrorSyntax service\n");
    ::fidl::fuzzing::Fuzzer< ::fidl::test::protocols::WithErrorSyntax> fuzzer_(
        loop_->dispatcher());
    if ((status_ = fuzzer_.Init()) != ZX_OK) {
      xprintf("Early exit: fuzzer.Init returned bad status: %d\n", status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindService()) != ZX_OK) {
      xprintf("Early exit: fuzzer.BindService returned bad status: %d\n",
              status_);
      return 0;
    }

    if ((status_ = fuzzer_.BindClient(&protocol_, loop_->dispatcher())) !=
        ZX_OK) {
      xprintf("Early exit: fuzzer.BindClient returned bad status: %d\n",
              status_);
      return 0;
    }

    FuzzInput src_(data_, size_);

    uint8_t method_selector_ = data_[1];
    uint8_t method_selection_ = method_selector_ % 3;

    loop_->RunUntilIdle();

    if ((status_ = fuzzer_.WaitForCallback()) != ZX_OK) {
      xprintf("fuzzer.WaitForCallback returned bad status: %d\n", status_);
    }

    protocol_.Unbind();
#endif
  }

  xprintf("Fuzzer stopped!\n");

  return 0;
}