/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
 * Ghidra 12.1.2 decompiler output for 0x1401b1520 FUN_1401b1520
 * Pseudocode, not original source. */

/* WARNING: Function: __security_check_cookie replaced with injection: security_check_cookie */

undefined8 FUN_1401b1520(longlong param_1,longlong param_2,longlong param_3,int param_4)

{
  int iVar1;
  undefined7 uVar4;
  longlong lVar2;
  undefined8 uVar3;
  int iVar5;
  longlong lVar6;
  undefined1 auStack_238 [32];
  longlong local_218;
  undefined8 local_208;
  undefined1 local_120 [72];
  undefined1 local_d8 [72];
  undefined1 local_90 [72];
  int local_48;
  byte local_44;
  undefined4 local_40;
  undefined4 local_3c;
  ulonglong local_38;
  
  local_208 = 0xfffffffffffffffe;
  local_38 = DAT_1403463c0 ^ (ulonglong)auStack_238;
  if (*(int *)(param_3 + 0x3c0) < 1) {
    FUN_14016d2a0(local_120,&DAT_140287690);
                    /* WARNING: Subroutine does not return */
    _CxxThrowException(local_120,(ThrowInfo *)&DAT_1403417f8);
  }
  lVar2 = *(longlong *)(param_1 + 8);
  if (lVar2 == 0) {
    if (*(longlong *)(param_1 + 0x10) == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_14016d1e0();
    }
    iVar5 = *(int *)(param_1 + 0x18);
  }
  else {
    iVar5 = *(int *)(lVar2 + 0x18);
  }
  if (iVar5 <= param_4) {
    if (lVar2 == 0) {
      if (*(longlong *)(param_1 + 0x10) == 0) {
                    /* WARNING: Subroutine does not return */
        FUN_14016d1e0();
      }
      param_4 = *(int *)(param_1 + 0x18);
    }
    else {
      param_4 = *(int *)(lVar2 + 0x18);
    }
  }
  if (lVar2 == 0) {
    if (*(longlong *)(param_1 + 0x10) == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_14016d1e0();
    }
    iVar5 = *(int *)(param_1 + 0x18);
  }
  else {
    iVar5 = *(int *)(lVar2 + 0x18);
  }
  iVar5 = iVar5 - param_4;
  if (iVar5 == 0) {
    uVar4 = (undefined7)((ulonglong)lVar2 >> 8);
  }
  else {
    if (*(longlong *)(param_1 + 0x10) == 0) {
      if (lVar2 == 0) {
                    /* WARNING: Subroutine does not return */
        FUN_14016d1e0();
      }
      if (*(int *)(lVar2 + 0x18) == 0) {
        lVar2 = 0;
      }
      else {
        lVar2 = *(longlong *)(lVar2 + 0x10);
      }
    }
    else {
      lVar2 = *(longlong *)(param_1 + 0x10);
      if (lVar2 == 0) {
        FUN_14016d300(local_90,PTR_u_ArrayWithExternalBuffer_is_unini_1403440d0);
                    /* WARNING: Subroutine does not return */
        _CxxThrowException(local_90,(ThrowInfo *)&DAT_1403417f8);
      }
    }
    local_3c = FUN_1401c5de0(param_4 + lVar2,iVar5);
    if (*(int *)(param_3 + 0x3c0) < 1) {
      FUN_14016d300(local_d8,L"aes key is not initialized");
                    /* WARNING: Subroutine does not return */
      _CxxThrowException(local_d8,(ThrowInfo *)&DAT_1403417f8);
    }
    local_40 = 5;
    local_44 = (byte)((iVar5 + 5) % *(int *)(param_3 + 0x3c4));
    if (local_44 != 0) {
      local_44 = (char)*(int *)(param_3 + 0x3c4) - local_44;
    }
    iVar1 = local_44 + 5 + iVar5;
    local_48 = iVar1;
    FUN_14016abe0(param_2);
    FUN_14016b5a0(param_2,iVar1);
    lVar6 = *(longlong *)(param_2 + 0x10);
    if (lVar6 == 0) {
      lVar6 = *(longlong *)(param_2 + 8);
      if (lVar6 == 0) {
                    /* WARNING: Subroutine does not return */
        FUN_14016d1e0();
      }
      if (*(int *)(lVar6 + 0x18) == 0) {
        lVar6 = 0;
      }
      else {
        lVar6 = *(longlong *)(lVar6 + 0x10);
      }
    }
    local_218 = param_3;
    uVar3 = FUN_1401b1230(param_4 + lVar2,iVar5,lVar6,&local_48);
    uVar4 = (undefined7)((ulonglong)uVar3 >> 8);
  }
  return CONCAT71(uVar4,1);
}