From 9a7bc4a0e6b97c5c5548f250aa04eefac74313cc Mon Sep 17 00:00:00 2001
From: Stefan Tatschner <stefan.tatschner@aisec.fraunhofer.de>
Date: Fri, 28 Oct 2022 11:14:18 +0200
Subject: [PATCH] fix: Error out if dumpcap is enabled but not available

---
 src/gallia/command/base.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallia/command/base.py b/src/gallia/command/base.py
index bf3e0b1ac..3c77ac813 100644
--- a/src/gallia/command/base.py
+++ b/src/gallia/command/base.py
@@ -6,6 +6,7 @@
 import asyncio
 import fcntl
 import os
+import shutil
 import signal
 import sys
 import traceback
@@ -495,6 +496,8 @@ async def setup(self, args: Namespace) -> None:
         # Start dumpcap as the first subprocess; otherwise network
         # traffic might be missing.
         if args.dumpcap:
+            if shutil.which("dumpcap") is None:
+                self.parser.error("--dumpcap specified but `dumpcap` is not available")
             self.dumpcap = await Dumpcap.start(args.target, self.artifacts_dir)
             await self.dumpcap.sync()