File 0002-auth-Fail-authentication-if-certificate-us... of Package dovecot22

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File 0002-auth-Fail-authentication-if-certificate-username-was.patch of Package dovecot22

From 10ce84b812788a43d263aad4a60a17fcc2a1063c Mon Sep 17 00:00:00 2001
From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Mon, 21 Jan 2019 10:54:06 +0200
Subject: [PATCH 2/3] auth: Fail authentication if certificate username was
 unexpectedly missing

---
 src/auth/auth-request-handler.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/auth/auth-request-handler.c b/src/auth/auth-request-handler.c
index 617dc1883..3044e94f9 100644
--- a/src/auth/auth-request-handler.c
+++ b/src/auth/auth-request-handler.c
@@ -560,6 +560,14 @@ bool auth_request_handler_auth_begin(struct auth_request_handler *handler,
 		return TRUE;
 	}
 
+	if (request->set->ssl_require_client_cert &&
+	    request->set->ssl_username_from_cert &&
+	    !request->cert_username) {
+		 auth_request_handler_auth_fail(handler, request,
+			"SSL certificate didn't contain username");
+		return TRUE;
+	}
+
 	/* Empty initial response is a "=" base64 string. Completely empty
 	   string shouldn't really be sent, but at least Exim does it,
 	   so just allow it for backwards compatibility.. */
-- 
2.11.0

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File 0002-auth-Fail-authentication-if-certificate-username-was.patch of Package dovecot22

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