mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-23 21:39:52 +00:00
828 lines
15 KiB
C++
828 lines
15 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "HLE.h"
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#include "sceChnnlsv.h"
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#include "sceKernel.h"
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extern "C"
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{
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#include "ext/libkirk/kirk_engine.h"
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}
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u8 dataBuf[2048+20];
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u8* dataBuf2 = dataBuf + 20;
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static const u8 hash198C[16] = {0xFA, 0xAA, 0x50, 0xEC, 0x2F, 0xDE, 0x54, 0x93, 0xAD, 0x14, 0xB2, 0xCE, 0xA5, 0x30, 0x05, 0xDF };
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static const u8 hash19BC[16] = {0xCB, 0x15, 0xF4, 0x07, 0xF9, 0x6A, 0x52, 0x3C, 0x04, 0xB9, 0xB2, 0xEE, 0x5C, 0x53, 0xFA, 0x86 };
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static const u8 key000019CC[16] = {0x70, 0x44, 0xA3, 0xAE, 0xEF, 0x5D, 0xA5, 0xF2, 0x85, 0x7F, 0xF2, 0xD6, 0x94, 0xF5, 0x36, 0x3B};
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static const u8 key000019DC[16] = {0xEC, 0x6D, 0x29, 0x59, 0x26, 0x35, 0xA5, 0x7F, 0x97, 0x2A, 0x0D, 0xBC, 0xA3, 0x26, 0x33, 0x00};
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static const u8 key0000199C[16] = {0x36, 0xA5, 0x3E, 0xAC, 0xC5, 0x26, 0x9E, 0xA3, 0x83, 0xD9, 0xEC, 0x25, 0x6C, 0x48, 0x48, 0x72};
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static const u8 key000019AC[16] = {0xD8, 0xC0, 0xB0, 0xF3, 0x3E, 0x6B, 0x76, 0x85, 0xFD, 0xFB, 0x4D, 0x7D, 0x45, 0x1E, 0x92, 0x03};
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int sub_000014BC(u8* data, int length)
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{
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*(s32*)(data + 0) = 5;
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*(s32*)(data + 12) = 256;
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*(s32*)(data + 4) = 0;
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*(s32*)(data + 8) = 0;
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*(s32*)(data + 16) = length;
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int res = sceUtilsBufferCopyWithRange(data, length + 20, data, length + 20, 8);
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if (res == 0)
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return 0;
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return -258;
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}
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int sub_00001418(u8* data, int length, int val2)
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{
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*(s32*)(data + 12) = val2;
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*(s32*)(data + 0) = 5;
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*(s32*)(data + 4) = 0;
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*(s32*)(data + 8) = 0;
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*(s32*)(data + 16) = length;
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int res = sceUtilsBufferCopyWithRange(data, length + 20, data, length + 20, 7);
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if (res == 0)
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return 0;
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return -257;
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}
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int sub_000015B0(u8* data, int alignedLen, u8* buf, int val)
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{
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u8 sp0[16];
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for(int i = 0; i < 16; i++)
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{
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sp0[i] = data[alignedLen+i+4];
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}
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int res = sub_00001418(data, alignedLen, val);
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if (res != 0)
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{
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return res;
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}
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for(int i = 0; i < 16; i++)
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{
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data[i] = data[i] ^ buf[i];
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}
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for(int i = 0; i < 16; i++)
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{
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buf[i] = sp0[i];
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}
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return 0;
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}
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int sub_00000000(u8* data_out, u8* data, int alignedLen, u8* data2, int& data3, int mode)
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{
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for(int i = 0; i < 16; i++)
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{
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data_out[20+i] = data2[i];
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}
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int valS4 = 100;
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int res;
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if (mode == 6)
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{
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valS4 = 100;
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for(int i = 0; i < 16; i++)
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{
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data_out[20+i] = data_out[20+i] ^ key000019DC[i];
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}
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res = sub_000014BC(data_out, 16);
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for(int i = 0; i < 16; i++)
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{
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data_out[i] = data_out[i] ^ key000019CC[i];
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}
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}
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else if (mode == 4)
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{
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valS4 = 87;
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for(int i = 0; i < 16; i++)
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{
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data_out[20+i] = data_out[20+i] ^ key000019AC[i];
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}
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res = sub_000014BC(data_out, 16);
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for(int i = 0; i < 16; i++)
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{
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data_out[i] = data_out[i] ^ key0000199C[i];
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}
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}
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else if (mode == 2)
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{
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res = sub_000014BC(data_out, 16);
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valS4 = 83;
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}
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else if (mode == 1)
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{
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res = sub_00001418(data_out, 16, 4);
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valS4 = 83;
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}
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else if (mode == 3)
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{
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valS4 = 87;
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for(int i = 0; i < 16; i++)
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{
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data_out[i+20] = data_out[i+20] ^ key000019AC[i];
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}
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res = sub_00001418(data_out, 16, 14);
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for(int i = 0; i < 16; i++)
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{
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data_out[i] = data_out[i] ^ key0000199C[i];
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}
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}
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else
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{
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valS4 = 100;
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for(int i = 0; i < 16; i++)
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{
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data_out[i + 20] = data_out[i + 20] ^ key000019DC[i];
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}
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res = sub_00001418(data_out, 16, 18);
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for(int i = 0; i < 16; i++)
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{
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data_out[i] = data_out[i] ^ key000019CC[i];
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}
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}
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u8 sp16[16];
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if (res != 0)
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{
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return res;
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}
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for(int i = 0; i < 16; i++)
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{
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sp16[i] = data_out[i];
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}
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u8 sp0[16];
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if (data3 == 1)
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{
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for(int i = 0; i < 16; i++)
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{
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sp0[i] = 0;
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}
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}
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else
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{
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for(int i = 0; i < 12; i++)
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{
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sp0[i] = sp16[i];
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}
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sp0[12] = (data3-1) & 0xFF ;
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sp0[13] = ((data3-1) >> 8) & 0xFF;
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sp0[14] = ((data3-1) >> 16) & 0xFF;
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sp0[15] = ((data3-1) >> 24) & 0xFF;
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}
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if ((u32)20 < (u32)alignedLen + 20)
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{
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for(int i = 20; i < alignedLen + 20; i += 16)
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{
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for(int j = 0; j < 12; j++)
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{
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data_out[i+j] = sp16[j];
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}
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data_out[12+i] = data3;
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data_out[13+i] = (data3 >> 8) & 0xFF;
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data_out[14+i] = (data3 >> 16) & 0xFF;
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data_out[15+i] = (data3 >> 24) & 0xFF;
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data3++;
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}
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}
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res = sub_000015B0(data_out, alignedLen, sp0, valS4);
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if (res != 0)
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{
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return res;
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}
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if (res >= alignedLen)
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{
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return 0;
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}
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for(int i = 0; i < alignedLen; i++)
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{
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data[i] = data[i] ^ data_out[i];
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}
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return 0;
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}
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int sub_000013C8(u8* data, int size, int num)
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{
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*(int*)(data+0) = 4;
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*(int*)(data+4) = 0;
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*(int*)(data+8) = 0;
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*(int*)(data+12) = num;
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*(int*)(data+16) = size;
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size = size + 20;
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int res = sceUtilsBufferCopyWithRange(data,size,data,size,4);
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if(res != 0)
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{
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return -257;
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}
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return 0;
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}
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int sub_00001468(u8* data, int size)
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{
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*(int*)(data+0) = 4;
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*(int*)(data+12) = 256;
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*(int*)(data+4) = 0;
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*(int*)(data+8) = 0;
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*(int*)(data+16) = size;
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size = size + 20;
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int res = sceUtilsBufferCopyWithRange(data,size,data,size,5);
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if(res != 0)
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{
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return -258;
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}
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return 0;
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}
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int sub_00001510(u8* data, int size, u8* result , int num)
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{
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for(int i = 0; i < 16; i++)
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{
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int v1 = data[i+20];
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v1 = v1 ^ result[i];
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data[i+20] = v1;
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}
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int res = sub_000013C8(data, size, num);
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if(res != 0)
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{
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return res;
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}
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for(int i = 0; i < 16; i++)
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{
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result[i] = data[size + i + 4];
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}
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return 0;
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}
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int sub_000017A8(u8* data)
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{
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int res = sceUtilsBufferCopyWithRange(data, 20, 0, 0, 14);
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if (res == 0)
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return 0;
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return -261;
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}
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int sceSdGetLastIndex(u32 addressCtx,u32 addressHash, u32 addressKey)
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{
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pspChnnlsvContext1 ctx;
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Memory::ReadStruct(addressCtx,&ctx);
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u8* in_hash;
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u8* in_key;
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in_hash = Memory::GetPointer(addressHash);
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in_key = Memory::GetPointer(addressKey);
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int res = sceSdGetLastIndex_(ctx, in_hash, in_key);
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Memory::WriteStruct(addressCtx,&ctx);
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return res;
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}
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int sceSdGetLastIndex_(pspChnnlsvContext1& ctx, u8* in_hash, u8* in_key)
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{
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if(ctx.keyLength >= 17)
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{
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return -1026;
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}
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int num = 0;
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switch(ctx.mode)
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{
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case 6:
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num = 17;
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break;
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case 4:
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num = 13;
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break;
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case 2:
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num = 5;
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break;
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case 1:
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num = 3;
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break;
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case 3:
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num = 12;
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break;
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default:
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num = 16;
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break;
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}
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memset(dataBuf2,0,16);
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int res = sub_000013C8(dataBuf,16,num);
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if(res != 0)
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{
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return res;
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}
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u8 data1[16];
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u8 data2[16];
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memcpy(data1,dataBuf2,16);
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int tmp1 = 0;
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if((s8)data1[0] < 0)
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tmp1 = 135;
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for(int i = 0; i < 15; i++)
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{
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u8 val1 = data1[i] << 1;
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u8 val2 = data1[i+1] >> 7;
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data1[i] = val1 | val2;
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}
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u8 tmp2 = data1[15] << 1;
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tmp2 = tmp1 ^ tmp2;
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data1[15] = tmp2;
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if(ctx.keyLength < 16)
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{
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tmp1 = 0;
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if((s8)data1[0] < 0)
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{
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tmp1 = 135;
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}
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for(int i = 0; i < 15; i++)
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{
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u8 val1 = data1[i] << 1;
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u8 val2 = data1[i+1] >> 7;
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data1[i] = val1 | val2;
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}
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u8 tmp2 = data1[15] << 1;
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tmp2 = tmp1 ^ tmp2;
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data1[15] = tmp2;
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int oldKeyLength = ctx.keyLength;
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*(s8*)(ctx.key + ctx.keyLength) = -128;
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if(oldKeyLength + 1 < 16)
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{
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for(int i = oldKeyLength + 1; i < 16; i++)
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{
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*(s8*)(ctx.key + i) = 0;
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}
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}
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}
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for(int i = 0; i < 16; i++)
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{
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ctx.key[i] = ctx.key[i] ^ data1[i];
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}
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for(int i = 0; i < 16; i++)
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{
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dataBuf2[i] = ctx.key[i];
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}
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for(int i = 0; i < 16; i++)
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{
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data2[i] = ctx.result[i];
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}
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int ret = sub_00001510(dataBuf,16,data2,num);
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if(ret != 0)
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{
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return ret;
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}
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if((u32)(ctx.mode-3) < 2)
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{
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for(int i = 0; i < 16; i++)
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{
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data2[i] = data2[i] ^ hash198C[i];
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}
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}
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else if((u32)(ctx.mode-5) < 2)
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{
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for(int i = 0; i < 16; i++)
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{
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data2[i] = data2[i] ^ hash19BC[i];
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}
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}
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int cond = ((ctx.mode ^ 0x2) < 1 || (ctx.mode ^ 0x4) < 1 || ctx.mode == 6);
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if(cond != 0)
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{
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for(int i = 0; i < 16; i++)
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{
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dataBuf2[i] = data2[i];
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}
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int ret = sub_00001468(dataBuf,16);
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if(ret != 0)
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{
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return ret;
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}
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int res = sub_000013C8(dataBuf,16,num);
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if(res != 0)
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{
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return res;
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}
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for(int i = 0; i < 16; i++)
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{
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data2[i] = dataBuf2[i];
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}
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}
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if(in_key != 0)
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{
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for(int i = 0; i < 16; i++)
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{
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data2[i] = in_key[i] ^ data2[i];
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}
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for(int i = 0; i < 16; i++)
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{
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dataBuf2[i] = data2[i];
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}
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int res = sub_000013C8(dataBuf,16,num);
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if(res != 0)
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{
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return res;
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}
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for(int i = 0; i < 16; i++)
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{
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data2[i] = dataBuf2[i];
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}
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}
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for(int i = 0; i < 16; i++)
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{
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in_hash[i] = data2[i];
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}
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for(int i = 0; i < 16; i++)
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{
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ctx.result[i] = 0;
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}
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for(int i = 0; i < 16; i++)
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{
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ctx.key[i] = 0;
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}
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ctx.keyLength = 0;
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ctx.mode = 0;
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return 0;
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}
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int sceSdSetIndex(u32 addressCtx, int value)
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{
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pspChnnlsvContext1 ctx;
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Memory::ReadStruct(addressCtx,&ctx);
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int res = sceSdSetIndex_(ctx, value);
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Memory::WriteStruct(addressCtx,&ctx);
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return res;
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}
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int sceSdSetIndex_(pspChnnlsvContext1& ctx, int value)
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{
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ctx.mode = value;
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memset(ctx.result,0,16);
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memset(ctx.key,0,16);
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ctx.keyLength = 0;
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return 0;
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}
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int sceSdRemoveValue(u32 addressCtx, u32 addressData, int length)
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{
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pspChnnlsvContext1 ctx;
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Memory::ReadStruct(addressCtx,&ctx);
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u8* data;
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data = Memory::GetPointer(addressData);
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int res = sceSdRemoveValue_(ctx, data, length);
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Memory::WriteStruct(addressCtx,&ctx);
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return res;
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}
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int sceSdRemoveValue_(pspChnnlsvContext1& ctx, u8* data, int length)
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{
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if(ctx.keyLength >= 17)
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{
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return -1026;
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}
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if(ctx.keyLength + length < 17)
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{
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if(length == 0)
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{
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return 0;
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}
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for(int i = 0; i < length; i++)
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{
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|
ctx.key[ctx.keyLength+i] = data[i];
|
|
}
|
|
ctx.keyLength = ctx.keyLength + length;
|
|
return 0;
|
|
}
|
|
int mode = ctx.mode;
|
|
int num = 0;
|
|
switch(mode)
|
|
{
|
|
case 6:
|
|
num = 17;
|
|
break;
|
|
case 4:
|
|
num = 13;
|
|
break;
|
|
case 2:
|
|
num = 5;
|
|
break;
|
|
case 1:
|
|
num = 3;
|
|
break;
|
|
case 3:
|
|
num = 12;
|
|
break;
|
|
default:
|
|
num = 16;
|
|
break;
|
|
}
|
|
|
|
memset(dataBuf2,0,2048);
|
|
|
|
if(ctx.keyLength > 0)
|
|
{
|
|
memcpy(dataBuf2,ctx.key,ctx.keyLength);
|
|
}
|
|
int len = (ctx.keyLength + length) & 0xF;
|
|
if(len == 0) len = 16;
|
|
|
|
int oldLength = ctx.keyLength;
|
|
ctx.keyLength = len;
|
|
|
|
int diff = length - len;
|
|
if(len != 0)
|
|
{
|
|
memcpy(ctx.key,data+diff,len);
|
|
}
|
|
|
|
int newSize = oldLength;
|
|
if(diff != 0)
|
|
{
|
|
for(int i = 0; i < diff; i++)
|
|
{
|
|
if(newSize == 2048)
|
|
{
|
|
int res = sub_00001510(dataBuf,2048,ctx.result,num);
|
|
if(res != 0)
|
|
{
|
|
return res;
|
|
}
|
|
newSize = 0;
|
|
}
|
|
dataBuf2[newSize] = data[i];
|
|
newSize++;
|
|
}
|
|
}
|
|
if(newSize == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
int res = sub_00001510(dataBuf,newSize,ctx.result, num);
|
|
if(res == 0)
|
|
{
|
|
return res;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int sceSdCreateList(u32 ctx2Addr, int mode, int unkwn, u32 dataAddr, u32 cryptkeyAddr)
|
|
{
|
|
pspChnnlsvContext2 ctx2;
|
|
Memory::ReadStruct(ctx2Addr, &ctx2);
|
|
u8* data = Memory::GetPointer(dataAddr);
|
|
u8* cryptkey = Memory::GetPointer(cryptkeyAddr);
|
|
|
|
int res = sceSdCreateList_(ctx2, mode, unkwn, data, cryptkey);
|
|
|
|
Memory::WriteStruct(ctx2Addr, &ctx2);
|
|
|
|
return res;
|
|
}
|
|
|
|
int sceSdCreateList_(pspChnnlsvContext2& ctx2, int mode, int uknw, u8* data, u8* cryptkey)
|
|
{
|
|
ctx2.mode = mode;
|
|
ctx2.unkn = 1;
|
|
if (uknw == 2)
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
ctx2.unknown[i] = data[i];
|
|
}
|
|
if (cryptkey == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
ctx2.unknown[i] = ctx2.unknown[i] ^ cryptkey[i];
|
|
}
|
|
return 0;
|
|
}
|
|
else if (uknw == 1)
|
|
{
|
|
u8 kirkHeader[37];
|
|
u8* kirkData = kirkHeader+20;
|
|
int res = sub_000017A8(kirkHeader);
|
|
if (res != 0)
|
|
{
|
|
return res;
|
|
}
|
|
for(int i = 15; i >= 0 ; i--)
|
|
{
|
|
kirkHeader[i+20] = kirkHeader[i];
|
|
}
|
|
for(int i = 0; i < 4; i++)
|
|
{
|
|
kirkHeader[i+32] = 0;
|
|
}
|
|
|
|
if (mode == 6)
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key000019CC[i];
|
|
}
|
|
res = sub_00001468(kirkHeader, 16);
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key000019DC[i];
|
|
}
|
|
}
|
|
else if (mode == 4)
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key0000199C[i];
|
|
}
|
|
res = sub_00001468(kirkHeader, 16);
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key000019AC[i];
|
|
}
|
|
}
|
|
else if (mode == 2)
|
|
{
|
|
res = sub_00001468(kirkHeader, 16);
|
|
}
|
|
else if (mode == 1)
|
|
{
|
|
res = sub_000013C8(kirkHeader, 16, 4);
|
|
}
|
|
else if (mode == 3)
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key0000199C[i];
|
|
}
|
|
res = sub_000013C8(kirkHeader, 16, 14);
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key000019AC[i];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key000019CC[i];
|
|
}
|
|
res = sub_000013C8(kirkHeader, 16, 18);
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
kirkData[i] = kirkData[i] ^ key000019DC[i];
|
|
}
|
|
}
|
|
|
|
if (res != 0)
|
|
{
|
|
return res;
|
|
}
|
|
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
ctx2.unknown[i] = kirkData[i];
|
|
}
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
data[i] = kirkData[i];
|
|
}
|
|
if (cryptkey != 0)
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
ctx2.unknown[i] = ctx2.unknown[i] ^ cryptkey[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int sceSdSetMember(u32 ctxAddr, u32 dataAddr, int alignedLen)
|
|
{
|
|
pspChnnlsvContext2 ctx;
|
|
Memory::ReadStruct(ctxAddr, &ctx);
|
|
u8* data = Memory::GetPointer(dataAddr);
|
|
|
|
int res = sceSdSetMember_(ctx, data, alignedLen);
|
|
|
|
Memory::WriteStruct(ctxAddr, &ctx);
|
|
|
|
return res;
|
|
}
|
|
|
|
int sceSdSetMember_(pspChnnlsvContext2& ctx, u8* data, int alignedLen)
|
|
{
|
|
if (alignedLen == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
if (alignedLen & 0xF != 0)
|
|
{
|
|
return -1025;
|
|
}
|
|
int i = 0;
|
|
u8 kirkData[20+2048];
|
|
if ((u32)alignedLen >= (u32)2048)
|
|
{
|
|
for(i = 0; alignedLen >= 2048; i += 2048)
|
|
{
|
|
int res = sub_00000000(kirkData, data + i, 2048, ctx.unknown, ctx.unkn, ctx.mode);
|
|
alignedLen = alignedLen - 2048;
|
|
if (res != 0)
|
|
{
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
if (alignedLen == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int res = sub_00000000(kirkData, data + i, alignedLen, ctx.unknown, ctx.unkn, ctx.mode);
|
|
return res;
|
|
}
|
|
|
|
int sceChnnlsv_21BE78B4(u32 ctxAddr)
|
|
{
|
|
pspChnnlsvContext2 ctx;
|
|
Memory::ReadStruct(ctxAddr, &ctx);
|
|
|
|
int res = sceChnnlsv_21BE78B4_(ctx);
|
|
|
|
Memory::WriteStruct(ctxAddr, &ctx);
|
|
return res;
|
|
}
|
|
|
|
int sceChnnlsv_21BE78B4_(pspChnnlsvContext2& ctx)
|
|
{
|
|
for(int i = 0; i < 16; i++)
|
|
{
|
|
ctx.unknown[i] = 0;
|
|
}
|
|
ctx.unkn = 0;
|
|
ctx.mode = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
const HLEFunction sceChnnlsv[] =
|
|
{
|
|
{0xE7833020,WrapI_UI<sceSdSetIndex>,"sceSdSetIndex"},
|
|
{0xF21A1FCA,WrapI_UUI<sceSdRemoveValue>,"sceSdRemoveValue"},
|
|
{0xC4C494F8,WrapI_UUU<sceSdGetLastIndex>,"sceSdGetLastIndex"},
|
|
{0xABFDFC8B,WrapI_UIIUU<sceSdCreateList>,"sceSdCreateList"},
|
|
{0x850A7FA1,WrapI_UUI<sceSdSetMember>,"sceSdSetMember"},
|
|
{0x21BE78B4,WrapI_U<sceChnnlsv_21BE78B4>,"sceChnnlsv_21BE78B4"},
|
|
};
|
|
|
|
void Register_sceChnnlsv()
|
|
{
|
|
RegisterModule("sceChnnlsv",ARRAY_SIZE(sceChnnlsv),sceChnnlsv);
|
|
kirk_init();
|
|
}
|