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@@ -8,5 +8,6 @@ extern char bba_netmask[16]; | |
extern char bba_gateway[16]; | ||
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void init_network(); | ||
void init_wiiload_thread(); | ||
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#endif |
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@@ -0,0 +1,200 @@ | ||
/* | ||
* Copyright (c) 2014-2023, Extrems <[email protected]> | ||
* | ||
* This file is part of Swiss. | ||
* | ||
* Swiss is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* Swiss is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* with Swiss. If not, see <https://www.gnu.org/licenses/>. | ||
*/ | ||
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#include <gccore.h> | ||
#include <malloc.h> | ||
#include <network.h> | ||
#include <stdbool.h> | ||
#include <stdint.h> | ||
#include <string.h> | ||
#include <zlib.h> | ||
#include "aram/sidestep.h" | ||
#include "bba.h" | ||
#include "elf.h" | ||
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typedef struct { | ||
uint32_t magic; | ||
uint16_t version; | ||
uint16_t args_size; | ||
uint32_t deflate_size; | ||
uint32_t inflate_size; | ||
} ATTRIBUTE_PACKED wiiload_header_t; | ||
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static lwp_t thread = LWP_THREAD_NULL; | ||
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static struct { | ||
struct { | ||
int sd; | ||
union { | ||
struct sockaddr sa; | ||
struct sockaddr_in sin; | ||
}; | ||
struct timeval tv; | ||
} sv; | ||
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struct { | ||
int sd; | ||
union { | ||
struct sockaddr sa; | ||
struct sockaddr_in sin; | ||
}; | ||
} cl; | ||
} wiiload = { | ||
.sv.sd = INVALID_SOCKET, | ||
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.sv.sin.sin_family = AF_INET, | ||
.sv.sin.sin_port = 4299, | ||
.sv.sin.sin_addr.s_addr = INADDR_ANY, | ||
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.sv.tv.tv_sec = 1, | ||
.sv.tv.tv_usec = 0, | ||
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.cl.sd = INVALID_SOCKET, | ||
}; | ||
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static int tcp_read(int sd, void *buf, size_t size) | ||
{ | ||
int ret, pos = 0; | ||
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while (pos < size) { | ||
ret = net_read(sd, buf + pos, size - pos); | ||
if (ret < 1) return ret < 0 ? ret : pos; | ||
else pos += ret; | ||
} | ||
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return pos; | ||
} | ||
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static void *wiiload_read(int sd, size_t insize, size_t outsize) | ||
{ | ||
Byte inbuf[4096]; | ||
z_stream zstream = {0}; | ||
int ret, pos = 0; | ||
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void *outbuf = malloc(outsize); | ||
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if (!outbuf) | ||
goto fail; | ||
if (inflateInit(&zstream) < 0) | ||
goto fail; | ||
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zstream.next_out = outbuf; | ||
zstream.avail_out = outsize; | ||
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while (pos < insize) { | ||
ret = tcp_read(sd, inbuf, MIN(insize - pos, sizeof(inbuf))); | ||
if (ret < 0) goto fail; | ||
else pos += ret; | ||
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zstream.next_in = inbuf; | ||
zstream.avail_in = ret; | ||
ret = inflate(&zstream, Z_NO_FLUSH); | ||
if (ret < 0) goto fail; | ||
} | ||
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inflateEnd(&zstream); | ||
return outbuf; | ||
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fail: | ||
inflateEnd(&zstream); | ||
free(outbuf); | ||
return NULL; | ||
} | ||
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static void *wiiload_read_args(int sd, size_t size) | ||
{ | ||
void *args = malloc(size); | ||
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if (!args) | ||
goto fail; | ||
if (tcp_read(sd, args, size) < size) | ||
goto fail; | ||
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return args; | ||
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fail: | ||
free(args); | ||
return NULL; | ||
} | ||
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static void wiiload_handler(int sd) | ||
{ | ||
wiiload_header_t header; | ||
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if (tcp_read(sd, &header, sizeof(header)) < sizeof(header)) | ||
return; | ||
if (memcmp(&header.magic, "HAXX", 4)) | ||
return; | ||
if (header.version != 5) | ||
return; | ||
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void *buffer = wiiload_read(sd, header.deflate_size, header.inflate_size); | ||
void *args = wiiload_read_args(sd, header.args_size); | ||
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if (buffer) { | ||
if (!memcmp(buffer, ELFMAG, SELFMAG)) | ||
ELFtoARAM(buffer, 0, NULL); | ||
else | ||
DOLtoARAM(buffer, 0, NULL); | ||
} | ||
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free(args); | ||
free(buffer); | ||
} | ||
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static void *thread_func(void *arg) | ||
{ | ||
wiiload.sv.sd = net_socket(AF_INET, SOCK_STREAM, IPPROTO_IP); | ||
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if (wiiload.sv.sd == INVALID_SOCKET) | ||
goto fail; | ||
if (net_bind(wiiload.sv.sd, &wiiload.sv.sa, sizeof(wiiload.sv.sin)) < 0) | ||
goto fail; | ||
if (net_listen(wiiload.sv.sd, 0) < 0) | ||
goto fail; | ||
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while (true) { | ||
fd_set readset; | ||
FD_ZERO(&readset); | ||
FD_SET(wiiload.sv.sd, &readset); | ||
net_select(FD_SETSIZE, &readset, NULL, NULL, &wiiload.sv.tv); | ||
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if (FD_ISSET(wiiload.sv.sd, &readset)) { | ||
socklen_t addrlen = sizeof(wiiload.cl.sin); | ||
wiiload.cl.sd = net_accept(wiiload.sv.sd, &wiiload.cl.sa, &addrlen); | ||
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if (wiiload.cl.sd != INVALID_SOCKET) { | ||
wiiload_handler(wiiload.cl.sd); | ||
net_close(wiiload.cl.sd); | ||
wiiload.cl.sd = INVALID_SOCKET; | ||
} | ||
} | ||
} | ||
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fail: | ||
net_close(wiiload.sv.sd); | ||
wiiload.sv.sd = INVALID_SOCKET; | ||
return NULL; | ||
} | ||
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void init_wiiload_thread(void) | ||
{ | ||
if (net_initialized) | ||
LWP_CreateThread(&thread, thread_func, NULL, NULL, 0, LWP_PRIO_NORMAL); | ||
} |