From f5d2fd61904e0b1e1828331009d5be62851d7371 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 13 Mar 2020 13:20:21 -0600
Subject: config: show missing section error correctly

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 tunnel/src/main/java/com/wireguard/config/Config.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'tunnel/src/main/java/com/wireguard')

diff --git a/tunnel/src/main/java/com/wireguard/config/Config.java b/tunnel/src/main/java/com/wireguard/config/Config.java
index c45dccb6..df344b1c 100644
--- a/tunnel/src/main/java/com/wireguard/config/Config.java
+++ b/tunnel/src/main/java/com/wireguard/config/Config.java
@@ -69,6 +69,7 @@ public final class Config {
         final Collection<String> peerLines = new ArrayList<>();
         boolean inInterfaceSection = false;
         boolean inPeerSection = false;
+        boolean seenInterfaceSection = false;
         @Nullable String line;
         while ((line = reader.readLine()) != null) {
             final int commentIndex = line.indexOf('#');
@@ -86,6 +87,7 @@ public final class Config {
                 if ("[Interface]".equalsIgnoreCase(line)) {
                     inInterfaceSection = true;
                     inPeerSection = false;
+                    seenInterfaceSection = true;
                 } else if ("[Peer]".equalsIgnoreCase(line)) {
                     inInterfaceSection = false;
                     inPeerSection = true;
@@ -104,7 +106,7 @@ public final class Config {
         }
         if (inPeerSection)
             builder.parsePeer(peerLines);
-        else if (!inInterfaceSection)
+        if (!seenInterfaceSection)
             throw new BadConfigException(Section.CONFIG, Location.TOP_LEVEL,
                     Reason.MISSING_SECTION, null);
         // Combine all [Interface] sections in the file.
-- 
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