Allow downloads to be disabled permanently.

Setting ‘allow_download’ variable to -1 will force the client to disable
downloads until it is restarted. This can be used as a protection
measure from malicious (or just stupid) servers that force downloads by
stuffing commands.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/cl_main.c b/src/cl_main.c
index 4a8adc8..e3accd5 100644
--- a/src/cl_main.c
+++ b/src/cl_main.c
@@ -2501,6 +2501,15 @@ static void cl_sync_changed( cvar_t *self ) {
     CL_UpdateFrameTimes();
 }
 
+// allow downloads to be permanently disabled as a
+// protection measure from malicious (or just stupid) servers
+// that force downloads by stuffing commands
+static void cl_allow_download_changed( cvar_t *self ) {
+    if( self->integer == -1 ) {
+        self->flags |= CVAR_ROM;
+    }
+}
+
 static const cmdreg_t c_client[] = {
     { "cmd", CL_ForwardToServer_f },
     { "pause", CL_Pause_f },
@@ -2644,6 +2653,9 @@ static void CL_InitLocal ( void ) {
     cl_vwep = Cvar_Get ( "cl_vwep", "1", CVAR_ARCHIVE );
     cl_vwep->changed = cl_vwep_changed;
 
+    allow_download->changed = cl_allow_download_changed;
+    cl_allow_download_changed( allow_download );
+
     //
     // userinfo
     //