L L4D2node

CBaseServer::ReplyChallenge

0x00109930 · 1162 bytes · __thiscall

_ZN11CBaseServer14ReplyChallengeER8netadr_sR7bf_read.part.41

Decompiled

undefined (3 params)

/* WARNING: Globals starting with '_' overlap smaller symbols at the same address */
/* CBaseServer::ReplyChallenge(netadr_s&, bf_read&) [clone .part.41] */

void __thiscall CBaseServer::ReplyChallenge(CBaseServer *this,netadr_s *param_1,bf_read *param_2)

{
  int *piVar1;
  char cVar2;
  byte bVar3;
  CBaseServer *in_EAX;
  ulong uVar4;
  long lVar5;
  CSteam3Server *this_00;
  undefined4 *puVar6;
  uint uVar7;
  undefined4 uVar8;
  CBitRead *in_ECX;
  int iVar9;
  netadr_s *in_EDX;
  char *pcVar10;
  int in_GS_OFFSET;
  undefined4 uVar11;
  ulong local_360;
  uint local_35c;
  uchar *local_344 [3];
  int local_338;
  char local_329 [9];
  undefined4 local_320;
  undefined1 local_220 [512];
  int local_20;
  
  bVar3 = 0;
  local_20 = *(int *)(in_GS_OFFSET + 0x14);
  bf_write::bf_write((bf_write *)local_344,local_220,0x200,-1);
  puVar6 = &local_320;
  for (iVar9 = 0x40; iVar9 != 0; iVar9 = iVar9 + -1) {
    *puVar6 = 0;
    puVar6 = puVar6 + (uint)bVar3 * -2 + 1;
  }
  CBitRead::ReadString(in_ECX,(char *)&local_320,0x100,false,(int *)0x0);
  uVar4 = (**(code **)(*(int *)in_EAX + 0xd8))();
  iVar9 = (**(code **)(*(int *)in_EAX + 0xdc))();
  bf_write::WriteLong((bf_write *)local_344,-1);
  bf_write::WriteByte((bf_write *)local_344,0x41);
  bf_write::WriteLong((bf_write *)local_344,uVar4);
  bf_write::WriteLong((bf_write *)local_344,iVar9);
  if (iVar9 == 3) {
    this_00 = (CSteam3Server *)Steam3Server();
    puVar6 = (undefined4 *)CSteam3Server::GetGSSteamID(this_00);
    uVar8 = puVar6[1];
    uVar11 = *puVar6;
    bf_write::WriteShort((bf_write *)local_344,0);
    bf_write::WriteLongLong(CONCAT44(uVar11,(bf_write *)local_344));
    iVar9 = Steam3Server();
    piVar1 = *(int **)(iVar9 + 4);
    uVar7 = 0;
    if (piVar1 != (int *)0x0) {
      uVar7 = (**(code **)(*piVar1 + 0x24))(piVar1,uVar11,uVar8);
      uVar7 = uVar7 & 0xff;
    }
    bf_write::WriteByte((bf_write *)local_344,uVar7);
  }
  else {
    bf_write::WriteShort((bf_write *)local_344,1);
    bf_write::WriteLongLong(ZEXT48((bf_write *)local_344));
    bf_write::WriteByte((bf_write *)local_344,0);
  }
  iVar9 = _V_strlen("connect");
  iVar9 = V_strnicmp((char *)&local_320,"connect",iVar9);
  if (iVar9 != 0) {
    bf_write::WriteString((bf_write *)local_344,(char *)&local_320);
    goto LAB_00109b9c;
  }
  cVar2 = netadr_s::IsLoopback(in_EDX);
  if (cVar2 == '\0') {
    cVar2 = netadr_s::IsLocalhost(in_EDX);
    if (cVar2 != '\0') goto LAB_00109ab9;
    iVar9 = (**(code **)(*(int *)in_EAX + 0x74))();
    if (iVar9 == 0) goto LAB_00109ac1;
    bVar3 = IsExclusiveToLobbyConnections(in_EAX);
    local_35c = bVar3 ^ 1;
  }
  else {
LAB_00109ab9:
    (**(code **)(*(int *)in_EAX + 0x74))();
LAB_00109ac1:
    local_35c = 0;
  }
  iVar9 = _V_strlen("connect");
  local_360 = 0;
  if ((*(char *)((int)&local_320 + iVar9) == '0') && (*(char *)((int)&local_320 + iVar9 + 1) == 'x')
     ) {
    local_329[0] = '\0';
    local_329[1] = '\0';
    local_329[2] = '\0';
    local_329[3] = '\0';
    local_329[4] = '\0';
    local_329[5] = '\0';
    local_329[6] = '\0';
    local_329[7] = '\0';
    local_329[8] = 0;
    V_strncpy(local_329,(char *)((int)&local_320 + iVar9 + 2),9);
    local_360 = strtoul(local_329,(char **)0x0,0x10);
  }
  cVar2 = IsExclusiveToLobbyConnections(in_EAX);
  if ((cVar2 == '\0') || (*(int *)(in_EAX + 0x170) != 0 || *(int *)(in_EAX + 0x16c) != 0)) {
    bf_write::WriteString((bf_write *)local_344,(char *)&local_320);
  }
  else if (uVar4 == local_360) {
    bf_write::WriteString((bf_write *)local_344,"connect-granted");
    *(float *)(in_EAX + 0x1a8) = (float)net_time;
    *(undefined4 *)(in_EAX + 0x1ac) = *(undefined4 *)in_EDX;
    *(undefined4 *)(in_EAX + 0x1b0) = *(undefined4 *)(in_EDX + 4);
    *(undefined2 *)(in_EAX + 0x1b4) = *(undefined2 *)(in_EDX + 8);
    uVar8 = netadr_s::ToString(in_EDX,false);
    DevMsg("Server requires lobby reservation and is unreserved: granting reservation grace period to %s\n"
           ,uVar8);
  }
  else {
    bf_write::WriteString((bf_write *)local_344,"connect-retry");
  }
  pcVar10 = "";
  cVar2 = IsExclusiveToLobbyConnections(in_EAX);
  if ((cVar2 != '\0') && (pcVar10 = "public", *(int *)(sv_steamgroup_exclusive._28_4_ + 0x30) != 0))
  {
    pcVar10 = "friends";
  }
  lVar5 = GetHostVersion();
  bf_write::WriteLong((bf_write *)local_344,lVar5);
  bf_write::WriteString((bf_write *)local_344,pcVar10);
  bf_write::WriteByte((bf_write *)local_344,local_35c);
  bf_write::WriteLongLong(CONCAT44(_DAT_003b80cc,(bf_write *)local_344));
LAB_00109b9c:
  NET_SendPacket((INetChannel *)0x0,*(int *)(in_EAX + 8),in_EDX,local_344[0],local_338 + 7 >> 3,
                 (bf_write *)0x0,false,0);
  if (local_20 == *(int *)(in_GS_OFFSET + 0x14)) {
    return;
  }
                    /* WARNING: Subroutine does not return */
  __stack_chk_fail();
}

SourceMod gamedata

paste into addons/sourcemod/gamedata/<your_plugin>.txt
used as the SourceMod key — change to fit your plugin's convention
SourceMod library name (server / engine / matchmaking)

Just a Signatures{} block, ready to drop into a gamedata file. Wire it up in your plugin however you like - SDKCall, DHooks, raw memory ops, or anything else.



        

        

          

Type inference is best-effort from the C signature - sanity-check the DHooks types before shipping.

Return-type handling cheatsheet (DHookReturn)