DEADSOFTWARE

net: refactor bans
authorfgsfds <derp.primus@gmail.com>
Sat, 22 Jul 2023 14:08:54 +0000 (16:08 +0200)
committerfgsfds <derp.primus@gmail.com>
Sat, 22 Jul 2023 14:08:54 +0000 (16:08 +0200)
src/game/g_game.pas
src/game/g_language.pas
src/game/g_net.pas
src/game/g_netmsg.pas

index 71eb6095d6ee5ef232245707315b9c1e2e347798..2c158c4e2335c16dfa78df2323cd49f44b5677a6 100644 (file)
@@ -5194,7 +5194,7 @@ begin
           end;
         end;
 
-    g_Net_UnbanNonPermHosts();
+    g_Net_UnbanNonPerm();
   end;
 
   if gLastMap then
@@ -6702,14 +6702,8 @@ begin
 
       pl := g_Net_Client_ByName(P[1]);
       if (pl <> nil) then
-      begin
-        s := g_Net_ClientName_ByID(pl^.ID);
-        g_Net_BanHost(pl^.Peer^.address.host, False);
-        g_Net_Host_Kick(pl^.ID, NET_DISC_TEMPBAN);
-        g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-        MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-        g_Net_Slist_ServerPlayerLeaves();
-      end else
+        g_Net_Host_Ban(pl, False)
+      else
         g_Console_Add(Format(_lc[I_NET_ERR_NAME404], [P[1]]));
     end else
       g_Console_Add(_lc[I_MSG_SERVERONLY]);
@@ -6732,14 +6726,7 @@ begin
       a := StrToIntDef(P[1], 0);
       if (NetClients <> nil) and (a <= High(NetClients)) then
         if NetClients[a].Used and (NetClients[a].Peer <> nil) then
-        begin
-          s := g_Net_ClientName_ByID(NetClients[a].ID);
-          g_Net_BanHost(NetClients[a].Peer^.address.host, False);
-          g_Net_Host_Kick(NetClients[a].ID, NET_DISC_TEMPBAN);
-          g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-          MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-          g_Net_Slist_ServerPlayerLeaves();
-        end;
+          g_Net_Host_Ban(pl, False);
     end else
       g_Console_Add(_lc[I_MSG_SERVERONLY]);
   end
@@ -6761,14 +6748,7 @@ begin
       a := StrToIntDef(P[1], 0);
       pl := g_Net_Client_ByPlayer(a);
       if (pl <> nil) and pl^.Used and (pl^.Peer <> nil) then
-      begin
-        s := g_Net_ClientName_ByID(pl^.ID);
-        g_Net_BanHost(pl^.Peer^.address.host, False);
-        g_Net_Host_Kick(pl^.ID, NET_DISC_TEMPBAN);
-        g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-        MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-        g_Net_Slist_ServerPlayerLeaves();
-      end;
+        g_Net_Host_Ban(pl, False);
     end else
       g_Console_Add(_lc[I_MSG_SERVERONLY]);
   end
@@ -6789,15 +6769,8 @@ begin
 
       pl := g_Net_Client_ByName(P[1]);
       if (pl <> nil) then
-      begin
-        s := g_Net_ClientName_ByID(pl^.ID);
-        g_Net_BanHost(pl^.Peer^.address.host);
-        g_Net_Host_Kick(pl^.ID, NET_DISC_BAN);
-        g_Net_SaveBanList();
-        g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-        MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-        g_Net_Slist_ServerPlayerLeaves();
-      end else
+        g_Net_Host_Ban(pl, True)
+      else
         g_Console_Add(Format(_lc[I_NET_ERR_NAME404], [P[1]]));
     end else
       g_Console_Add(_lc[I_MSG_SERVERONLY]);
@@ -6820,15 +6793,7 @@ begin
       a := StrToIntDef(P[1], 0);
       if (NetClients <> nil) and (a <= High(NetClients)) then
         if NetClients[a].Used and (NetClients[a].Peer <> nil) then
-        begin
-          s := g_Net_ClientName_ByID(NetClients[a].ID);
-          g_Net_BanHost(NetClients[a].Peer^.address.host);
-          g_Net_Host_Kick(NetClients[a].ID, NET_DISC_BAN);
-          g_Net_SaveBanList();
-          g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-          MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-          g_Net_Slist_ServerPlayerLeaves();
-        end;
+          g_Net_Host_Ban(@NetClients[a], True);
     end else
       g_Console_Add(_lc[I_MSG_SERVERONLY]);
   end
@@ -6850,15 +6815,7 @@ begin
       a := StrToIntDef(P[1], 0);
       pl := g_Net_Client_ByPlayer(a);
       if (pl <> nil) and pl^.Used and (pl^.Peer <> nil) then
-      begin
-        s := g_Net_ClientName_ByID(pl^.ID);
-        g_Net_BanHost(pl^.Peer^.address.host);
-        g_Net_Host_Kick(pl^.ID, NET_DISC_TEMPBAN);
-        g_Net_SaveBanList();
-        g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-        MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-        g_Net_Slist_ServerPlayerLeaves();
-      end;
+        g_Net_Host_Ban(pl, True);
     end else
       g_Console_Add(_lc[I_MSG_SERVERONLY]);
   end
@@ -6877,7 +6834,7 @@ begin
         Exit;
       end;
 
-      g_Net_BanHost(P[1]);
+      g_Net_BanAddress(P[1]);
       g_Net_SaveBanList();
       g_Console_Add(Format(_lc[I_PLAYER_BAN], [P[1]]));
     end else
@@ -6898,7 +6855,7 @@ begin
         Exit;
       end;
 
-      if g_Net_UnbanHost(P[1]) then
+      if g_Net_UnbanAddress(P[1]) then
       begin
         g_Console_Add(Format(_lc[I_MSG_UNBAN_OK], [P[1]]));
         g_Net_SaveBanList();
index a75db11bba78186bbde0367068d7540606c4fc8e..e7e3a42a0913b9607f8f99b4677e818e6426cafe 100644 (file)
@@ -404,6 +404,7 @@ type
     I_NET_DISC_PASSWORD,
     I_NET_DISC_TEMPBAN,
     I_NET_DISC_BAN,
+    I_NET_DISC_BADMSG,
 
     I_NET_SLIST,
     I_NET_SLIST_NOSERVERS,
@@ -1418,6 +1419,8 @@ const
                                        'Âû çàáàíåíû äî êîíöà ðàóíäà.'),
     ('NET DISC BAN',                   'You are banned. Contact the server administrator.',
                                        'Âû çàáàíåíû. Ñâÿæèòåñü ñ àäìèíèñòðàòîðîì ñåðâåðà.'),
+    ('NET DISC BADMSG'                 'Malformed net message.',
+                                       'Íåâåðíûé ôîðìàò ïàêåòà.'),
 
     ('NET SLIST',                      'Server list',
                                        'Ñïèñîê ñåðâåðîâ'),
index d97d4bd07675033281e6a61b888d390eb52a40ab..292f919b9e9c5beb4981f9f073313e52ed679595 100644 (file)
@@ -204,6 +204,8 @@ procedure g_Net_Host_Die();
 procedure g_Net_Host_Send(ID: Integer; Reliable: Boolean);
 procedure g_Net_Host_Update();
 procedure g_Net_Host_Kick(ID: Integer; Reason: enet_uint32);
+procedure g_Net_Host_Ban(ID: Integer; Perm: Boolean);
+procedure g_Net_Host_Ban(C: pTNetClient; Perm: Boolean);
 
 function  g_Net_Connect(IP: string; Port: enet_uint16): Boolean;
 procedure g_Net_Disconnect(Forced: Boolean = False);
@@ -217,12 +219,12 @@ function  g_Net_ClientName_ByID(ID: Integer): string;
 function  IpToStr(IP: LongWord): string;
 function  StrToIp(IPstr: string; var IP: LongWord): Boolean;
 
-function  g_Net_IsHostBanned(IP: LongWord; Perm: Boolean = False): Boolean;
-procedure g_Net_BanHost(IP: LongWord; Perm: Boolean = True); overload;
-procedure g_Net_BanHost(IP: string; Perm: Boolean = True); overload;
-function  g_Net_UnbanHost(IP: string): Boolean; overload;
-function  g_Net_UnbanHost(IP: LongWord): Boolean; overload;
-procedure g_Net_UnbanNonPermHosts();
+function  g_Net_IsAddressBanned(IP: LongWord; Perm: Boolean = False): Boolean;
+procedure g_Net_BanAddress(IP: LongWord; Perm: Boolean = True); overload;
+procedure g_Net_BanAddress(IP: string; Perm: Boolean = True); overload;
+function  g_Net_UnbanAddress(IP: string): Boolean; overload;
+function  g_Net_UnbanAddress(IP: LongWord): Boolean; overload;
+procedure g_Net_UnbanNonPerm();
 procedure g_Net_SaveBanList();
 
 procedure g_Net_Penalize(C: pTNetClient; Reason: string);
@@ -1363,7 +1365,7 @@ begin
     begin
       Readln(F, IPstr);
       if StrToIp(IPstr, IP) then
-        g_Net_BanHost(IP);
+        g_Net_BanAddress(IP);
     end;
     CloseFile(F);
     g_Net_SaveBanList();
@@ -1788,7 +1790,7 @@ begin
           Exit;
         end;
 
-        if g_Net_IsHostBanned(NetEvent.Peer^.address.host) then
+        if g_Net_IsAddressBanned(NetEvent.Peer^.address.host) then
         begin
           g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_REJECT] +
             _lc[I_NET_DISC_BAN]);
@@ -2128,10 +2130,12 @@ begin
       pl := g_Player_Get(NetClients[a].Player);
       if pl = nil then Exit;
       Result := pl.Name;
+      Exit;
     end;
-end;
+  Result := 'Client #' + IntToStr(ID);
+ end;
 
-function g_Net_IsHostBanned(IP: LongWord; Perm: Boolean = False): Boolean;
+function g_Net_IsAddressBanned(IP: LongWord; Perm: Boolean = False): Boolean;
 var
   I: Integer;
 begin
@@ -2146,13 +2150,13 @@ begin
     end;
 end;
 
-procedure g_Net_BanHost(IP: LongWord; Perm: Boolean = True); overload;
+procedure g_Net_BanAddress(IP: LongWord; Perm: Boolean = True); overload;
 var
   I, P: Integer;
 begin
   if IP = 0 then
     Exit;
-  if g_Net_IsHostBanned(IP, Perm) then
+  if g_Net_IsAddressBanned(IP, Perm) then
     Exit;
 
   P := -1;
@@ -2173,17 +2177,17 @@ begin
   NetBannedHosts[P].Perm := Perm;
 end;
 
-procedure g_Net_BanHost(IP: string; Perm: Boolean = True); overload;
+procedure g_Net_BanAddress(IP: string; Perm: Boolean = True); overload;
 var
   a: LongWord;
   b: Boolean;
 begin
   b := StrToIp(IP, a);
   if b then
-    g_Net_BanHost(a, Perm);
+    g_Net_BanAddress(a, Perm);
 end;
 
-procedure g_Net_UnbanNonPermHosts();
+procedure g_Net_UnbanNonPerm();
 var
   I: Integer;
 begin
@@ -2197,16 +2201,16 @@ begin
     end;
 end;
 
-function g_Net_UnbanHost(IP: string): Boolean; overload;
+function g_Net_UnbanAddress(IP: string): Boolean; overload;
 var
   a: LongWord;
 begin
   Result := StrToIp(IP, a);
   if Result then
-    Result := g_Net_UnbanHost(a);
+    Result := g_Net_UnbanAddress(a);
 end;
 
-function g_Net_UnbanHost(IP: LongWord): Boolean; overload;
+function g_Net_UnbanAddress(IP: LongWord): Boolean; overload;
 var
   I: Integer;
 begin
@@ -2245,6 +2249,36 @@ begin
   end
 end;
 
+procedure g_Net_Host_Ban(C: pTNetClient; Perm: Boolean);
+var
+  KickReason: enet_uint32;
+  Name: string;
+begin
+  if (not C^.Used) then
+    exit;
+
+  if Perm then
+    KickReason := NET_DISC_BAN
+  else
+    KickReason := NET_DISC_TEMPBAN;
+
+  Name := g_Net_ClientName_ByID(C^.ID);
+
+  g_Net_BanAddress(C^.Peer^.address.host, Perm);
+  g_Net_Host_Kick(C^.ID, KickReason);
+  g_Console_Add(Format(_lc[I_PLAYER_BAN], [Name]));
+  MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, Name);
+  g_Net_Slist_ServerPlayerLeaves();
+  g_Net_SaveBanList();
+end;
+
+procedure g_Net_Host_Ban(ID: Integer; Perm: Boolean);
+begin
+  if (ID < 0) or (ID > High(NetClients)) then
+    exit;
+  g_Net_Host_Ban(@NetClients[ID], Perm);
+end;
+
 procedure g_Net_Penalize(C: pTNetClient; Reason: string);
 var
   s: string;
@@ -2270,12 +2304,7 @@ begin
 
   if (C^.Crimes >= NetAutoBanLimit) then
   begin
-    s := '#' + IntToStr(C^.ID); // can't be arsed
-    g_Net_BanHost(C^.Peer^.address.host, NetAutoBanPerm);
-    g_Net_Host_Kick(C^.ID, NET_DISC_BAN);
-    g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
-    MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
-    g_Net_Slist_ServerPlayerLeaves();
+
   end;
 end;
 
index 1eb3683759c40e6a12ab9b30ba1855a50b4c0f18..b090aa30e08bdb690b645389cd73d22cfd6a9549 100644 (file)
@@ -340,8 +340,8 @@ end;
 procedure MH_MalformedPacket(C: pTNetClient);
 begin
   g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_REJECT] +
-    _lc[I_NET_DISC_PROTOCOL]);
-  g_Net_Host_Kick(C^.ID, NET_DISC_PROTOCOL);
+    _lc[I_NET_DISC_BADMSG]);
+  g_Net_Host_Ban(C, True);
 end;
 
 procedure MH_RECV_Chat(C: pTNetClient; var M: TMsg);
@@ -418,9 +418,9 @@ begin
     Exit;
   end;
 
-  if g_Net_IsHostBanned(C^.Peer^.address.host) then
+  if g_Net_IsAddressBanned(C^.Peer^.address.host) then
   begin
-    if g_Net_IsHostBanned(C^.Peer^.address.host, True) then
+    if g_Net_IsAddressBanned(C^.Peer^.address.host, True) then
     begin
       g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_REJECT] +
         _lc[I_NET_DISC_BAN]);