From 50b3368c6dc6dcf4ae037280e39b02ffea2415db Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Tue, 27 Mar 2012 12:39:11 -0400
Subject: [PATCH] If there is nothing to read from the askpass program, set
 errno to EINTR.  This makes the cancel button behave like the user entered ^C
 at the password prompt when PAM is used.

--HG--
branch : 1.7
---
 tgetpass.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tgetpass.c b/tgetpass.c
index b64bb8d3e..c1926a017 100644
--- a/tgetpass.c
+++ b/tgetpass.c
@@ -228,6 +228,9 @@ sudo_askpass(prompt)
     (void) close(pfd[0]);
     (void) sigaction(SIGPIPE, &saved_sa_pipe, NULL);
 
+    if (pass == NULL)
+	errno = EINTR;	/* make cancel button simulate ^C */
+
     return pass;
 }
 
-- 
2.40.0