From 25505898530a333011f4fd5cbc841ad6b26c089c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:40:04 +0200 Subject: Adding upstream version 1:9.2p1. Signed-off-by: Daniel Baumann --- auth2-passwd.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 auth2-passwd.c (limited to 'auth2-passwd.c') 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 + +#include +#include +#include +#include + +#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 +}; -- cgit v1.2.3