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engine: server: fixes for userinfo change ratelimiting

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* Add pentalty earlier
* Increase disallowed timewindow according to penality multiplier
* Allow first change even if it falls into ignore timewindow
This commit is contained in:
Alibek Omarov 2025-02-15 06:26:13 +03:00
parent bc1b86c19c
commit 340a8b5e0c
1 changed files with 5 additions and 5 deletions
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10
engine/server/sv_client.c
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@ -1775,7 +1775,7 @@ static qboolean SV_ShouldUpdateUserinfo( sv_client_t *cl )
if( host.realtime < cl->userinfo_next_changetime + cl->userinfo_penalty * sv_userinfo_penalty_multiplier.value )
{
// player changes userinfo too quick! ignore!
if( host.realtime < cl->userinfo_next_changetime )
if( host.realtime < cl->userinfo_next_changetime && cl->userinfo_change_attempts > 0 )
{
Con_Reportf( "%s: ignore userinfo update for %s: penalty %f, attempts %i\n",
__func__, cl->name, cl->userinfo_penalty, cl->userinfo_change_attempts );
@ -1786,15 +1786,15 @@ static qboolean SV_ShouldUpdateUserinfo( sv_client_t *cl )
}
// they spammed too fast, increase penalty
if( cl->userinfo_change_attempts > sv_userinfo_penalty_attempts.value )
if( cl->userinfo_change_attempts >= (int)sv_userinfo_penalty_attempts.value )
{
Con_Reportf( "%s: penalty set %f for %s\n", __func__,
cl->userinfo_penalty, cl->name );
cl->userinfo_penalty *= sv_userinfo_penalty_multiplier.value;
cl->userinfo_change_attempts = 0;
Con_Reportf( "%s: penalty set %f for %s\n", __func__, cl->userinfo_penalty, cl->name );
}
cl->userinfo_next_changetime = host.realtime + cl->userinfo_penalty;
cl->userinfo_next_changetime = host.realtime + cl->userinfo_penalty * sv_userinfo_penalty_multiplier.value;
return allow;
}