ppsspp/Core/HLE/sceChnnlsv.cpp

828 lines
15 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program 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, version 2.0 or later versions.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "HLE.h"
#include "sceChnnlsv.h"
#include "sceKernel.h"
extern "C"
{
#include "ext/libkirk/kirk_engine.h"
}
u8 dataBuf[2048+20];
u8* dataBuf2 = dataBuf + 20;
static const u8 hash198C[16] = {0xFA, 0xAA, 0x50, 0xEC, 0x2F, 0xDE, 0x54, 0x93, 0xAD, 0x14, 0xB2, 0xCE, 0xA5, 0x30, 0x05, 0xDF };
static const u8 hash19BC[16] = {0xCB, 0x15, 0xF4, 0x07, 0xF9, 0x6A, 0x52, 0x3C, 0x04, 0xB9, 0xB2, 0xEE, 0x5C, 0x53, 0xFA, 0x86 };
static const u8 key000019CC[16] = {0x70, 0x44, 0xA3, 0xAE, 0xEF, 0x5D, 0xA5, 0xF2, 0x85, 0x7F, 0xF2, 0xD6, 0x94, 0xF5, 0x36, 0x3B};
static const u8 key000019DC[16] = {0xEC, 0x6D, 0x29, 0x59, 0x26, 0x35, 0xA5, 0x7F, 0x97, 0x2A, 0x0D, 0xBC, 0xA3, 0x26, 0x33, 0x00};
static const u8 key0000199C[16] = {0x36, 0xA5, 0x3E, 0xAC, 0xC5, 0x26, 0x9E, 0xA3, 0x83, 0xD9, 0xEC, 0x25, 0x6C, 0x48, 0x48, 0x72};
static const u8 key000019AC[16] = {0xD8, 0xC0, 0xB0, 0xF3, 0x3E, 0x6B, 0x76, 0x85, 0xFD, 0xFB, 0x4D, 0x7D, 0x45, 0x1E, 0x92, 0x03};
int sub_000014BC(u8* data, int length)
{
*(s32*)(data + 0) = 5;
*(s32*)(data + 12) = 256;
*(s32*)(data + 4) = 0;
*(s32*)(data + 8) = 0;
*(s32*)(data + 16) = length;
int res = sceUtilsBufferCopyWithRange(data, length + 20, data, length + 20, 8);
if (res == 0)
return 0;
return -258;
}
int sub_00001418(u8* data, int length, int val2)
{
*(s32*)(data + 12) = val2;
*(s32*)(data + 0) = 5;
*(s32*)(data + 4) = 0;
*(s32*)(data + 8) = 0;
*(s32*)(data + 16) = length;
int res = sceUtilsBufferCopyWithRange(data, length + 20, data, length + 20, 7);
if (res == 0)
return 0;
return -257;
}
int sub_000015B0(u8* data, int alignedLen, u8* buf, int val)
{
u8 sp0[16];
for(int i = 0; i < 16; i++)
{
sp0[i] = data[alignedLen+i+4];
}
int res = sub_00001418(data, alignedLen, val);
if (res != 0)
{
return res;
}
for(int i = 0; i < 16; i++)
{
data[i] = data[i] ^ buf[i];
}
for(int i = 0; i < 16; i++)
{
buf[i] = sp0[i];
}
return 0;
}
int sub_00000000(u8* data_out, u8* data, int alignedLen, u8* data2, int& data3, int mode)
{
for(int i = 0; i < 16; i++)
{
data_out[20+i] = data2[i];
}
int valS4 = 100;
int res;
if (mode == 6)
{
valS4 = 100;
for(int i = 0; i < 16; i++)
{
data_out[20+i] = data_out[20+i] ^ key000019DC[i];
}
res = sub_000014BC(data_out, 16);
for(int i = 0; i < 16; i++)
{
data_out[i] = data_out[i] ^ key000019CC[i];
}
}
else if (mode == 4)
{
valS4 = 87;
for(int i = 0; i < 16; i++)
{
data_out[20+i] = data_out[20+i] ^ key000019AC[i];
}
res = sub_000014BC(data_out, 16);
for(int i = 0; i < 16; i++)
{
data_out[i] = data_out[i] ^ key0000199C[i];
}
}
else if (mode == 2)
{
res = sub_000014BC(data_out, 16);
valS4 = 83;
}
else if (mode == 1)
{
res = sub_00001418(data_out, 16, 4);
valS4 = 83;
}
else if (mode == 3)
{
valS4 = 87;
for(int i = 0; i < 16; i++)
{
data_out[i+20] = data_out[i+20] ^ key000019AC[i];
}
res = sub_00001418(data_out, 16, 14);
for(int i = 0; i < 16; i++)
{
data_out[i] = data_out[i] ^ key0000199C[i];
}
}
else
{
valS4 = 100;
for(int i = 0; i < 16; i++)
{
data_out[i + 20] = data_out[i + 20] ^ key000019DC[i];
}
res = sub_00001418(data_out, 16, 18);
for(int i = 0; i < 16; i++)
{
data_out[i] = data_out[i] ^ key000019CC[i];
}
}
u8 sp16[16];
if (res != 0)
{
return res;
}
for(int i = 0; i < 16; i++)
{
sp16[i] = data_out[i];
}
u8 sp0[16];
if (data3 == 1)
{
for(int i = 0; i < 16; i++)
{
sp0[i] = 0;
}
}
else
{
for(int i = 0; i < 12; i++)
{
sp0[i] = sp16[i];
}
sp0[12] = (data3-1) & 0xFF ;
sp0[13] = ((data3-1) >> 8) & 0xFF;
sp0[14] = ((data3-1) >> 16) & 0xFF;
sp0[15] = ((data3-1) >> 24) & 0xFF;
}
if ((u32)20 < (u32)alignedLen + 20)
{
for(int i = 20; i < alignedLen + 20; i += 16)
{
for(int j = 0; j < 12; j++)
{
data_out[i+j] = sp16[j];
}
data_out[12+i] = data3;
data_out[13+i] = (data3 >> 8) & 0xFF;
data_out[14+i] = (data3 >> 16) & 0xFF;
data_out[15+i] = (data3 >> 24) & 0xFF;
data3++;
}
}
res = sub_000015B0(data_out, alignedLen, sp0, valS4);
if (res != 0)
{
return res;
}
if (res >= alignedLen)
{
return 0;
}
for(int i = 0; i < alignedLen; i++)
{
data[i] = data[i] ^ data_out[i];
}
return 0;
}
int sub_000013C8(u8* data, int size, int num)
{
*(int*)(data+0) = 4;
*(int*)(data+4) = 0;
*(int*)(data+8) = 0;
*(int*)(data+12) = num;
*(int*)(data+16) = size;
size = size + 20;
int res = sceUtilsBufferCopyWithRange(data,size,data,size,4);
if(res != 0)
{
return -257;
}
return 0;
}
int sub_00001468(u8* data, int size)
{
*(int*)(data+0) = 4;
*(int*)(data+12) = 256;
*(int*)(data+4) = 0;
*(int*)(data+8) = 0;
*(int*)(data+16) = size;
size = size + 20;
int res = sceUtilsBufferCopyWithRange(data,size,data,size,5);
if(res != 0)
{
return -258;
}
return 0;
}
int sub_00001510(u8* data, int size, u8* result , int num)
{
for(int i = 0; i < 16; i++)
{
int v1 = data[i+20];
v1 = v1 ^ result[i];
data[i+20] = v1;
}
int res = sub_000013C8(data, size, num);
if(res != 0)
{
return res;
}
for(int i = 0; i < 16; i++)
{
result[i] = data[size + i + 4];
}
return 0;
}
int sub_000017A8(u8* data)
{
int res = sceUtilsBufferCopyWithRange(data, 20, 0, 0, 14);
if (res == 0)
return 0;
return -261;
}
int sceSdGetLastIndex(u32 addressCtx,u32 addressHash, u32 addressKey)
{
pspChnnlsvContext1 ctx;
Memory::ReadStruct(addressCtx,&ctx);
u8* in_hash;
u8* in_key;
in_hash = Memory::GetPointer(addressHash);
in_key = Memory::GetPointer(addressKey);
int res = sceSdGetLastIndex_(ctx, in_hash, in_key);
Memory::WriteStruct(addressCtx,&ctx);
return res;
}
int sceSdGetLastIndex_(pspChnnlsvContext1& ctx, u8* in_hash, u8* in_key)
{
if(ctx.keyLength >= 17)
{
return -1026;
}
int num = 0;
switch(ctx.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(dataBuf2,0,16);
int res = sub_000013C8(dataBuf,16,num);
if(res != 0)
{
return res;
}
u8 data1[16];
u8 data2[16];
memcpy(data1,dataBuf2,16);
int tmp1 = 0;
if((s8)data1[0] < 0)
tmp1 = 135;
for(int i = 0; i < 15; i++)
{
u8 val1 = data1[i] << 1;
u8 val2 = data1[i+1] >> 7;
data1[i] = val1 | val2;
}
u8 tmp2 = data1[15] << 1;
tmp2 = tmp1 ^ tmp2;
data1[15] = tmp2;
if(ctx.keyLength < 16)
{
tmp1 = 0;
if((s8)data1[0] < 0)
{
tmp1 = 135;
}
for(int i = 0; i < 15; i++)
{
u8 val1 = data1[i] << 1;
u8 val2 = data1[i+1] >> 7;
data1[i] = val1 | val2;
}
u8 tmp2 = data1[15] << 1;
tmp2 = tmp1 ^ tmp2;
data1[15] = tmp2;
int oldKeyLength = ctx.keyLength;
*(s8*)(ctx.key + ctx.keyLength) = -128;
if(oldKeyLength + 1 < 16)
{
for(int i = oldKeyLength + 1; i < 16; i++)
{
*(s8*)(ctx.key + i) = 0;
}
}
}
for(int i = 0; i < 16; i++)
{
ctx.key[i] = ctx.key[i] ^ data1[i];
}
for(int i = 0; i < 16; i++)
{
dataBuf2[i] = ctx.key[i];
}
for(int i = 0; i < 16; i++)
{
data2[i] = ctx.result[i];
}
int ret = sub_00001510(dataBuf,16,data2,num);
if(ret != 0)
{
return ret;
}
if((u32)(ctx.mode-3) < 2)
{
for(int i = 0; i < 16; i++)
{
data2[i] = data2[i] ^ hash198C[i];
}
}
else if((u32)(ctx.mode-5) < 2)
{
for(int i = 0; i < 16; i++)
{
data2[i] = data2[i] ^ hash19BC[i];
}
}
int cond = ((ctx.mode ^ 0x2) < 1 || (ctx.mode ^ 0x4) < 1 || ctx.mode == 6);
if(cond != 0)
{
for(int i = 0; i < 16; i++)
{
dataBuf2[i] = data2[i];
}
int ret = sub_00001468(dataBuf,16);
if(ret != 0)
{
return ret;
}
int res = sub_000013C8(dataBuf,16,num);
if(res != 0)
{
return res;
}
for(int i = 0; i < 16; i++)
{
data2[i] = dataBuf2[i];
}
}
if(in_key != 0)
{
for(int i = 0; i < 16; i++)
{
data2[i] = in_key[i] ^ data2[i];
}
for(int i = 0; i < 16; i++)
{
dataBuf2[i] = data2[i];
}
int res = sub_000013C8(dataBuf,16,num);
if(res != 0)
{
return res;
}
for(int i = 0; i < 16; i++)
{
data2[i] = dataBuf2[i];
}
}
for(int i = 0; i < 16; i++)
{
in_hash[i] = data2[i];
}
for(int i = 0; i < 16; i++)
{
ctx.result[i] = 0;
}
for(int i = 0; i < 16; i++)
{
ctx.key[i] = 0;
}
ctx.keyLength = 0;
ctx.mode = 0;
return 0;
}
int sceSdSetIndex(u32 addressCtx, int value)
{
pspChnnlsvContext1 ctx;
Memory::ReadStruct(addressCtx,&ctx);
int res = sceSdSetIndex_(ctx, value);
Memory::WriteStruct(addressCtx,&ctx);
return res;
}
int sceSdSetIndex_(pspChnnlsvContext1& ctx, int value)
{
ctx.mode = value;
memset(ctx.result,0,16);
memset(ctx.key,0,16);
ctx.keyLength = 0;
return 0;
}
int sceSdRemoveValue(u32 addressCtx, u32 addressData, int length)
{
pspChnnlsvContext1 ctx;
Memory::ReadStruct(addressCtx,&ctx);
u8* data;
data = Memory::GetPointer(addressData);
int res = sceSdRemoveValue_(ctx, data, length);
Memory::WriteStruct(addressCtx,&ctx);
return res;
}
int sceSdRemoveValue_(pspChnnlsvContext1& ctx, u8* data, int length)
{
if(ctx.keyLength >= 17)
{
return -1026;
}
if(ctx.keyLength + length < 17)
{
if(length == 0)
{
return 0;
}
for(int i = 0; i < length; i++)
{
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();
}