1 files changed, 80 insertions, 0 deletions
diff --git a/auth2-passwd.c b/auth2-passwd.c
new file mode 100644
index 0000000..cc12cfb
--- /dev/null
+++ b/auth2-passwd.c
@@ -0,0 +1,80 @@
+/* $OpenBSD: auth2-passwd.c,v 1.21 2022/05/27 04:29:40 dtucker 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 <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "packet.h"
+#include "ssherr.h"
+#include "log.h"
+#include "sshkey.h"
+#include "hostfile.h"
+#include "auth.h"
+#ifdef GSSAPI
+#include "ssh-gss.h"
+#endif
+#include "monitor_wrap.h"
+#include "misc.h"
+#include "servconf.h"
+
+/* import */
+extern ServerOptions options;
+
+static int
+userauth_passwd(struct ssh *ssh, const char *method)
+{
+	char *password = NULL;
+	int authenticated = 0, r;
+	u_char change;
+	size_t len = 0;
+
+	if ((r = sshpkt_get_u8(ssh, &change)) != 0 ||
+	    (r = sshpkt_get_cstring(ssh, &password, &len)) != 0 ||
+	    (change && (r = sshpkt_get_cstring(ssh, NULL, NULL)) != 0) ||
+	    (r = sshpkt_get_end(ssh)) != 0) {
+		freezero(password, len);
+		fatal_fr(r, "parse packet");
+	}
+
+	if (change)
+		logit("password change not supported");
+	else if (PRIVSEP(auth_password(ssh, password)) == 1)
+		authenticated = 1;
+	freezero(password, len);
+	return authenticated;
+}
+
+Authmethod method_passwd = {
+	"password",
+	NULL,
+	userauth_passwd,
+	&options.password_authentication
+};