Send correct status code when a file is not found

server.go

@@ -146,7 +146,7 @@ func servePath(c *tls.Conn, request *url.URL, serve *pathConfig) (int, int64) {
 	if !serve.HiddenFiles {
 		for _, piece := range requestSplit {
 			if len(piece) > 0 && piece[0] == '.' {
-				return writeStatus(c, statusTemporaryFailure), -1
+				return writeStatus(c, statusNotFound), -1
 			}
 		}
 	}
@@ -161,7 +161,9 @@ func servePath(c *tls.Conn, request *url.URL, serve *pathConfig) (int, int64) {
 		if !serve.SymLinks {
 			for i := range requestSplit[pathSlashes:] {
 				info, err := os.Lstat(path.Join(root, strings.Join(requestSplit[pathSlashes:pathSlashes+i+1], "/")))
-				if err != nil || info.Mode()&os.ModeSymlink == os.ModeSymlink {
+				if err != nil {
+					return writeStatus(c, statusNotFound), -1
+				} else if info.Mode()&os.ModeSymlink == os.ModeSymlink {
 					return writeStatus(c, statusTemporaryFailure), -1
 				}
 			}
@@ -263,11 +265,10 @@ func handleRequest(c *tls.Conn, request *url.URL, requestData string) (int, int6
 
 			requireInput := serve.Input != "" || serve.SensitiveInput != ""
 			if request.RawQuery == "" && requireInput {
-				if serve.Input != "" {
-					return writeHeader(c, statusInput, serve.Input), -1, ""
-				} else if serve.SensitiveInput != "" {
+				if serve.SensitiveInput != "" {
 					return writeHeader(c, statusSensitiveInput, serve.SensitiveInput), -1, ""
 				}
+				return writeHeader(c, statusInput, serve.Input), -1, ""
 			}
 
 			if matchedRegexp || matchedPrefix {