From a3b24b6e19fa897f31eba03e365732c465e3df9f Mon Sep 17 00:00:00 2001
From: Kaian <kaian@irontec.com>
Date: Sun, 17 Sep 2017 10:40:33 +0200
Subject: [PATCH] capture: fix crash while saving offline capture

---
 src/capture.c | 6 ++++--
 src/capture.h | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/capture.c b/src/capture.c
index cc1c470..e8c8bc7 100644
--- a/src/capture.c
+++ b/src/capture.c
@@ -800,6 +800,8 @@ capture_launch_thread(capture_info_t *capinfo)
     // Start all captures threads
     vector_iter_t it = vector_iterator(capture_cfg.sources);
     while ((capinfo = vector_iterator_next(&it))) {
+        // Mark capture as running
+        capinfo->running = true;
         if (pthread_create(&capinfo->capture_t, &attr, (void *) capture_thread, capinfo)) {
             return 1;
         }
@@ -817,7 +819,7 @@ capture_thread(void *info)
     // Parse available packets
     pcap_loop(capinfo->handle, -1, parse_packet, (u_char *) capinfo);
     pcap_close(capinfo->handle);
-    capinfo->handle = NULL;
+    capinfo->running = false;
 }
 
 int
@@ -838,7 +840,7 @@ capture_is_running()
     capture_info_t *capinfo;
     vector_iter_t it = vector_iterator(capture_cfg.sources);
     while ((capinfo = vector_iterator_next(&it))) {
-        if (capinfo->handle)
+        if (capinfo->running)
             return 1;
     }
     return 0;
diff --git a/src/capture.h b/src/capture.h
index a97ee53..4c06b76 100644
--- a/src/capture.h
+++ b/src/capture.h
@@ -147,6 +147,8 @@ struct capture_config {
  */
 struct capture_info
 {
+    //! Flag to determine if capture is running
+    bool running;
     //! libpcap link type
     int link;
     //! libpcap link header size