extcap: add preference to prevent interfaces loading.

Change-Id: Ia5865a40c75e582f28408a0515c5c0b38e43a916
Reviewed-on: https://code.wireshark.org/review/25188
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Roland Knall <rknall@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/extcap.c b/extcap.c
index 03aada8a9f..44ed5b5ad2 100644
--- a/extcap.c
+++ b/extcap.c
@@ -506,6 +506,9 @@ append_extcap_interface_list(GList *list, char **err_str _U_)
     extcap_interface *data = NULL;
     GList *ifutilkeys_head = NULL, *ifutilkeys = NULL;
 
+    if (prefs.capture_no_extcap)
+        return list;
+
     /* Update the extcap interfaces and get a list of their if_infos */
     if ( !_loaded_interfaces || g_hash_table_size(_loaded_interfaces) == 0 )
         extcap_load_interface_list();