83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022 Nathaniel Brough
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "tusb_config.h"
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#if defined(CFG_TUD_ECM_RNDIS) || defined(CFG_TUD_NCM)
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#include "class/net/net_device.h"
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#include "fuzz_private.h"
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#include <cassert>
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#include <cstdint>
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#include <vector>
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#include "lwip/sys.h"
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extern "C" {
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bool tud_network_recv_cb(const uint8_t *src, uint16_t size) {
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assert(_fuzz_data_provider.has_value());
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(void)src;
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(void)size;
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return _fuzz_data_provider->ConsumeBool();
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}
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// client must provide this: copy from network stack packet pointer to dst
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uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) {
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(void)ref;
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(void)arg;
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assert(_fuzz_data_provider.has_value());
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uint16_t size = _fuzz_data_provider->ConsumeIntegral<uint16_t>();
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std::vector<uint8_t> temp = _fuzz_data_provider->ConsumeBytes<uint8_t>(size);
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memcpy(dst, temp.data(), temp.size());
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return size;
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}
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/* lwip has provision for using a mutex, when applicable */
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sys_prot_t sys_arch_protect(void) { return 0; }
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void sys_arch_unprotect(sys_prot_t pval) { (void)pval; }
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//------------- ECM/RNDIS -------------//
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// client must provide this: initialize any network state back to the beginning
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void tud_network_init_cb(void) {
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// NoOp.
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}
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// client must provide this: 48-bit MAC address
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// TODO removed later since it is not part of tinyusb stack
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uint8_t tud_network_mac_address[6] = {0};
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//------------- NCM -------------//
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// callback to client providing optional indication of internal state of network
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// driver
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void tud_network_link_state_cb(bool state) {
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(void)state;
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// NoOp.
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}
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}
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#endif
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