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engine: try to mitigate outdated client.dll vulnerabilities

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This commit is contained in:
Alibek Omarov 2021-11-02 12:47:26 +06:00 committed by a1batross
parent c79a649d97
commit b24c1a51d3
2 changed files with 13 additions and 1 deletions
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10
engine/common/cmd.c
View File

@ -747,7 +747,15 @@ Cmd_AddClientCommand
*/
int GAME_EXPORT Cmd_AddClientCommand( const char *cmd_name, xcommand_t function )
{
return Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, "client command", CMD_CLIENTDLL );
int flags = CMD_CLIENTDLL;
// a1ba: try to mitigate outdated client.dll vulnerabilities
if( !Q_stricmp( cmd_name, "motd_write" ))
{
flags |= CMD_LOCALONLY;
}
return Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, "client command", flags );
}
/*

4
engine/common/common.c
View File

@ -886,6 +886,10 @@ pfnCvar_RegisterVariable
*/
cvar_t *pfnCvar_RegisterClientVariable( const char *szName, const char *szValue, int flags )
{
// a1ba: try to mitigate outdated client.dll vulnerabilities
if( !Q_stricmp( szName, "motdfile" ))
flags |= FCVAR_LOCALONLY;
if( FBitSet( flags, FCVAR_GLCONFIG ))
return (cvar_t *)Cvar_Get( szName, szValue, flags, va( CVAR_GLCONFIG_DESCRIPTION, szName ));
return (cvar_t *)Cvar_Get( szName, szValue, flags|FCVAR_CLIENTDLL, Cvar_BuildAutoDescription( flags|FCVAR_CLIENTDLL ));