From ce327b62ac28cb6a605fd827a97d978ea31e2860 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@zip.com.au>
Date: Fri, 5 Nov 2004 20:38:03 +1100
Subject:    - djm@cvs.openbsd.org 2004/10/29 22:53:56      [clientloop.c
 misc.h readpass.c ssh-agent.c]      factor out common permission-asking code
 to separate function; ok markus@

---
 readpass.c | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'readpass.c')

diff --git a/readpass.c b/readpass.c
index eb4f6fdb..c2bacdcd 100644
--- a/readpass.c
+++ b/readpass.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: readpass.c,v 1.30 2004/06/17 15:10:14 djm Exp $");
+RCSID("$OpenBSD: readpass.c,v 1.31 2004/10/29 22:53:56 djm Exp $");
 
 #include "xmalloc.h"
 #include "misc.h"
@@ -141,3 +141,29 @@ read_passphrase(const char *prompt, int flags)
 	memset(buf, 'x', sizeof buf);
 	return ret;
 }
+
+int
+ask_permission(const char *fmt, ...)
+{
+	va_list args;
+	char *p, prompt[1024];
+	int allowed = 0;
+
+	va_start(args, fmt);
+	vsnprintf(prompt, sizeof(prompt), fmt, args);
+	va_end(args);
+
+	p = read_passphrase(prompt, RP_USE_ASKPASS|RP_ALLOW_EOF);
+	if (p != NULL) {
+		/*
+		 * Accept empty responses and responses consisting
+		 * of the word "yes" as affirmative.
+		 */
+		if (*p == '\0' || *p == '\n' ||
+		    strcasecmp(p, "yes") == 0)
+			allowed = 1;
+		xfree(p);
+	}
+
+	return (allowed);
+}
-- 
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