From 858dac8ca2a1d8619c684fc64e974faa65a01bfd Mon Sep 17 00:00:00 2001
From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Thu, 12 Apr 2018 16:07:31 +0300
Subject: [PATCH] doveconf: Fix infinite loop when hiding sensitive information

For example with "nopassword=y". Broken in
fc02343fd81a6fab272ac0366b15fc60ec44a8b6
---
 src/config/doveconf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/config/doveconf.c b/src/config/doveconf.c
index 1705329d80..873a3cb24b 100644
--- a/src/config/doveconf.c
+++ b/src/config/doveconf.c
@@ -222,6 +222,11 @@ hide_secrets_from_value(struct ostream *output, const char *key,
 					ptr++;
 			}
 			optr = ptr;
+		} else {
+			/* "secret" is prefixed with alphanumeric character,
+			   e.g. "nopassword". So it's not really a secret.
+			   Skip forward to avoid infinite loop. */
+			ptr++;
 		}
 	}
 	/* if we are dealing with output, send rest here */