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decomp DBCServer_Release and inspect/document database

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Benjamin Palko 2026-10-14 23:22:03 -04:00
parent 4b267cbe05
commit 7834b98bf0
28222 changed files with 843300 additions and 144 deletions
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decomp/MessageServer_Release_x64/full/functions/0x1400ce820.c Normal file
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/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
* Ghidra 12.1.2 decompiler output for 0x1400ce820 FUN_1400ce820
* Pseudocode, not original source. */
/* WARNING: Function: __security_check_cookie replaced with injection: security_check_cookie */
void FUN_1400ce820(uint *param_1,byte *param_2,byte *param_3,ulonglong param_4,int param_5)
{
uint uVar1;
undefined1 auVar2 [16];
undefined1 auVar3 [16];
ulonglong uVar4;
byte *pbVar5;
uint uVar6;
undefined1 auStack_b8 [32];
exception local_98 [72];
byte local_50 [32];
ulonglong local_30;
local_30 = DAT_1401ac5a0 ^ (ulonglong)auStack_b8;
if ((int)param_1[0xf0] < 1) {
FUN_14006ba50(local_98,L"aes key is not initialized",param_3,param_4);
/* WARNING: Subroutine does not return */
_CxxThrowException(local_98,(ThrowInfo *)&DAT_1401a93e8);
}
if (param_4 != 0) {
auVar2._8_8_ = 0;
auVar2._0_8_ = (longlong)(int)param_1[0xf1];
auVar3._8_8_ = 0;
auVar3._0_8_ = param_4;
uVar4 = param_4 / (ulonglong)(longlong)(int)param_1[0xf1];
if (SUB168(auVar3 % auVar2,0) == 0) {
local_50[1] = 0;
local_50[2] = 0;
local_50[3] = 0;
local_50[4] = 0;
local_50[5] = 0;
local_50[6] = 0;
local_50[7] = 0;
local_50[8] = 0;
local_50[9] = 0;
local_50[10] = 0;
local_50[0xb] = 0;
local_50[0xc] = 0;
local_50[0xd] = 0;
local_50[0xe] = 0;
local_50[0xf] = 0;
local_50[0x10] = 0;
local_50[0x11] = 0;
local_50[0x12] = 0;
local_50[0x13] = 0;
local_50[0x14] = 0;
local_50[0x15] = 0;
local_50[0x16] = 0;
local_50[0x17] = 0;
local_50[0x18] = 0;
local_50[0x19] = 0;
local_50[0x1a] = 0;
local_50[0x1b] = 0;
local_50[0x1c] = 0;
local_50[0x1d] = 0;
local_50[0x1e] = 0;
local_50[0x1f] = 0;
uVar6 = 0;
local_50[0] = SUB161(auVar3 % auVar2,0);
if (param_5 == 1) {
if (uVar4 != 0) {
do {
FUN_1400ce1e0(param_2,param_3,(longlong)param_1);
if (0 < (int)param_1[0xf1]) {
uVar4 = (ulonglong)param_1[0xf1];
pbVar5 = param_3;
do {
*pbVar5 = *pbVar5 ^ pbVar5[(longlong)(local_50 + -(longlong)param_3)];
uVar4 = uVar4 - 1;
pbVar5 = pbVar5 + 1;
} while (uVar4 != 0);
}
uVar1 = param_1[0xf1];
memcpy(local_50,param_2,(longlong)(int)uVar1);
uVar6 = uVar6 + 1;
param_2 = param_2 + (int)param_1[0xf1];
param_3 = param_3 + (int)param_1[0xf1];
} while ((ulonglong)uVar6 < param_4 / (ulonglong)(longlong)(int)uVar1);
}
}
else if (param_5 == 2) {
if (uVar4 != 0) {
do {
FUN_1400cde30(local_50,param_3,param_1);
if (0 < (int)param_1[0xf1]) {
uVar4 = (ulonglong)param_1[0xf1];
pbVar5 = param_3;
do {
*pbVar5 = *pbVar5 ^ pbVar5[(longlong)param_2 - (longlong)param_3];
uVar4 = uVar4 - 1;
pbVar5 = pbVar5 + 1;
} while (uVar4 != 0);
}
uVar1 = param_1[0xf1];
memcpy(local_50,param_2,(longlong)(int)uVar1);
uVar6 = uVar6 + 1;
param_2 = param_2 + (int)param_1[0xf1];
param_3 = param_3 + (int)param_1[0xf1];
} while ((ulonglong)uVar6 < param_4 / (ulonglong)(longlong)(int)uVar1);
}
}
else if (uVar4 != 0) {
do {
FUN_1400ce1e0(param_2,param_3,(longlong)param_1);
uVar6 = uVar6 + 1;
param_2 = param_2 + (int)param_1[0xf1];
param_3 = param_3 + (int)param_1[0xf1];
} while ((ulonglong)uVar6 < param_4 / (ulonglong)(longlong)(int)param_1[0xf1]);
}
return;
}
}
FUN_14006ba50(local_98,L"block size is not 16byte or 24byte or 32byte",param_3,param_4);
/* WARNING: Subroutine does not return */
_CxxThrowException(local_98,(ThrowInfo *)&DAT_1401a93e8);
}