From 35ef56cc2467e907fa1827a4e8058893dea0b8a7 Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Mon, 4 Nov 2024 22:14:09 +0100
Subject: Crash fix when -f is specified with a non-existing pcap file (-i)

---
 example/ndpiReader.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/example/ndpiReader.c b/example/ndpiReader.c
index 8ea13b6ab..e34c973ab 100644
--- a/example/ndpiReader.c
+++ b/example/ndpiReader.c
@@ -4465,9 +4465,10 @@ static int getNextPcapFileFromPlaylist(u_int16_t thread_id, char filename[], u_i
  * @brief Configure the pcap handle
  */
 static void configurePcapHandle(pcap_t * pcap_handle) {
-
+  if(!pcap_handle)
+    return;
+  
   if(bpfFilter != NULL) {
-
     if(!bpf_cfilter) {
       if(pcap_compile(pcap_handle, &bpf_code, bpfFilter, 1, 0xFFFFFF00) < 0) {
 	printf("pcap_compile error: '%s'\n", pcap_geterr(pcap_handle));
@@ -4475,6 +4476,7 @@ static void configurePcapHandle(pcap_t * pcap_handle) {
       }
       bpf_cfilter = &bpf_code;
     }
+    
     if(pcap_setfilter(pcap_handle, bpf_cfilter) < 0) {
       printf("pcap_setfilter error: '%s'\n", pcap_geterr(pcap_handle));
     } else {
-- 
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