1 files changed, 71 insertions, 0 deletions
diff --git a/auth2-kbdint.c b/auth2-kbdint.c
new file mode 100644
index 0000000..e23d2ed
--- /dev/null
+++ b/auth2-kbdint.c
@@ -0,0 +1,71 @@
+/* $OpenBSD: auth2-kbdint.c,v 1.11 2019/11/13 04:47:52 deraadt Exp $ */
+/*
+ * Copyright (c) 2000 Markus Friedl.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "xmalloc.h"
+#include "packet.h"
+#include "hostfile.h"
+#include "auth.h"
+#include "log.h"
+#include "misc.h"
+#include "servconf.h"
+#include "ssherr.h"
+
+/* import */
+extern ServerOptions options;
+
+static int
+userauth_kbdint(struct ssh *ssh)
+{
+	int r, authenticated = 0;
+	char *lang, *devs;
+
+	if ((r = sshpkt_get_cstring(ssh, &lang, NULL)) != 0 ||
+	    (r = sshpkt_get_cstring(ssh, &devs, NULL)) != 0 ||
+	    (r = sshpkt_get_end(ssh)) != 0)
+		fatal("%s: %s", __func__, ssh_err(r));
+
+	debug("keyboard-interactive devs %s", devs);
+
+	if (options.challenge_response_authentication)
+		authenticated = auth2_challenge(ssh, devs);
+
+	free(devs);
+	free(lang);
+	return authenticated;
+}
+
+Authmethod method_kbdint = {
+	"keyboard-interactive",
+	userauth_kbdint,
+	&options.kbd_interactive_authentication
+};