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// Copyright 2023 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <gccore.h>
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#include <network.h>
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#include <cstdio>
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#include <string>
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static vu32* const CONSOLE_TYPE = (u32*)0x8000002C;
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void *initialise()
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{
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VIDEO_Init();
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GXRModeObj *rmode = VIDEO_GetPreferredMode(NULL);
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void* framebuffer = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
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console_init(
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framebuffer, 20, 20,
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rmode->fbWidth, rmode->xfbHeight,
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rmode->fbWidth * VI_DISPLAY_PIX_SZ
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);
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VIDEO_Configure(rmode);
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VIDEO_SetNextFramebuffer(framebuffer);
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VIDEO_SetBlack(false);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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if (rmode->viTVMode & VI_NON_INTERLACE)
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VIDEO_WaitVSync();
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return framebuffer;
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}
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void net_tcp_overflow(const char* addr, int port)
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{
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#ifdef HW_DOL
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char localip[16] = {0};
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char gateway[16] = {0};
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char netmask[16] = {0};
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if (if_config(localip, netmask, gateway, TRUE, 20) < 0) {
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printf("GC network init failed!\n");
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return;
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}
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printf("ip: %s, gw: %s, mask %s\n", localip, gateway, netmask);
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#elif HW_RVL
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net_init();
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printf("Wii network init succeeded!\n");
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#else
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printf("Unsupported hardware!\n");
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#endif
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sockaddr_in in;
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sockaddr* in_addr = (sockaddr*)∈
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socklen_t in_len = sizeof(in);
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in.sin_family = AF_INET;
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in.sin_port = htons(port);
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inet_aton(addr, &in.sin_addr);
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int fd = net_socket(AF_INET, SOCK_STREAM, 0);
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int res = net_connect(fd, in_addr, in_len);
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if (res != 0)
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{
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printf("connect (fd=%d) to %s:%d = %d\n", fd, addr, port, res);
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return;
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}
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constexpr u32 SIZE = 256;
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constexpr u32 END = 0xFFFFFFFFul / SIZE + 2;
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constexpr u32 UPDATE = 0x1000;
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for (u32 i = 0; i < END; i += 1)
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{
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std::string data(SIZE, 'a' + i % 26);
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net_send(fd, data.c_str(), data.size(), 0);
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if ((i % UPDATE) == 0)
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{
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printf(" - Count: %08x\r", i);
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}
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}
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printf("\n");
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net_close(fd);
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}
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int main(int argc, char **argv)
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{
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initialise();
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const char* addr = "192.168.1.17";
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const int port = 8000;
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printf("\n\n# Net overflow (CONSOLE_TYPE=%08x)\n\n", (u32)CONSOLE_TYPE);
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printf("Please run Wireshark on the target %s:%d\n", addr, port);
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net_tcp_overflow(addr, port);
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printf("\nDone!\n");
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while (1);
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return 0;
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}
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