From 85bc4924e0c54aa8fa8d57e062c6eed986fcbc73 Mon Sep 17 00:00:00 2001
From: Kaian <kaian@irontec.com>
Date: Mon, 21 Aug 2023 13:01:01 +0200
Subject: [PATCH] capture: only validate BPF filters against libpcap sources
 #452

---
 src/capture.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/capture.c b/src/capture.c
index 3cbabee..e1a4163 100644
--- a/src/capture.c
+++ b/src/capture.c
@@ -1099,6 +1099,10 @@ capture_set_bpf_filter(const char *filter)
 
     // Apply the given filter to all sources
     while ((capinfo = vector_iterator_next(&it))) {
+        //! Only try to validate bpf filter for pcap sources
+        if (!capinfo->ispcap)
+            continue;
+
         //! Check if filter compiles
         if (pcap_compile(capinfo->handle, &capture_cfg.fp, filter, 0, capinfo->mask) == -1)
             return 1;