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This change adds a new type of client connection state (cs_prespawned) to make sure

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the client sends the prespawn, spawn, and begin commands in the correct order.
This stops several interesting cheats in TF as well as the posibility of avoiding the map
checksum.
This commit is contained in:
Brian Koropoff 2001-04-19 23:50:31 +00:00
parent 06b06abc74
commit 75ecbe3032
2 changed files with 17 additions and 1 deletions
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3
include/server.h
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@ -120,7 +120,8 @@ typedef enum
cs_zombie, // client has been disconnected, but don't reuse
// connection for a couple seconds
cs_connected, // has been assigned to a client_t, but not in game yet
cs_spawned // client is fully in game
cs_prespawned, // has sent both prespawn and spawn commands
cs_spawned // client is fully in game (issued begin command)
} sv_client_state_t;
typedef struct

15
source/sv_user.c
View file

@ -336,6 +336,13 @@ SV_Spawn_f (void)
Con_Printf ("Spawn not valid -- allready spawned\n");
return;
}
if (!host_client->checksum) {
Con_Printf ("Did not prespawn -- dropping client\n");
SV_DropClient (host_client);
return;
}
// handle the case of a level changing while a client was connecting
if (atoi (Cmd_Argv (1)) != svs.spawncount) {
Con_Printf ("SV_Spawn_f from different level\n");
@ -415,6 +422,9 @@ SV_Spawn_f (void)
// when that is completed, a begin command will be issued
ClientReliableWrite_Begin (host_client, svc_stufftext, 8);
ClientReliableWrite_String (host_client, "skins\n");
// Now ready for begin command
host_client->state = cs_prespawned;
}
/*
@ -452,6 +462,11 @@ SV_Begin_f (void)
if (host_client->state == cs_spawned)
return; // don't begin again
if (host_client->state != cs_prespawned) {
Con_Printf("Did not spawn before begin command -- dropping client\n");
SV_DropClient (host_client);
return;
}
host_client->state = cs_spawned;