db/update/Archive: ignore filenames with newline character

96befa13 · Max Kellermann · 16a99804 · 96befa13
Commit 96befa13 authored Apr 30, 2023 by Max Kellermann
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Archive.cxx src/db/update/Archive.cxx +3 -1

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--- a/src/db/update/Archive.cxx
+++ b/src/db/update/Archive.cxx
@@ -55,7 +55,9 @@ LockFindSong(Directory &directory, std::string_view name) noexcept
 static bool
 IsAcceptableFilename(std::string_view name) noexcept
 {
-	return !name.empty();
+	return !name.empty() &&
+		/* newlines cannot be represented in MPD's protocol */
+		name.find('\n') == name.npos;
 }

 void