systemd/0009-ask-password-when-the-user-types-a-overly-long-passw.patch

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From 036eeac5a1799fa2c0ae11a14d8c667b5d303189 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 25 Mar 2014 01:27:05 +0100
Subject: [PATCH] ask-password: when the user types a overly long password,
beep and refuse
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Based on a similar patch from David Härdeman.
---
src/shared/ask-password-api.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git src/shared/ask-password-api.c src/shared/ask-password-api.c
index 117f0c6..96f16cc 100644
--- src/shared/ask-password-api.c
+++ src/shared/ask-password-api.c
@@ -207,6 +207,11 @@ int ask_password_tty(
if (ttyfd >= 0)
loop_write(ttyfd, "(no echo) ", 10, false);
} else {
+ if (p >= sizeof(passphrase)-1) {
+ loop_write(ttyfd, "\a", 1, false);
+ continue;
+ }
+
passphrase[p++] = c;
if (!silent_mode && ttyfd >= 0)
--
1.7.9.2