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