--- old/usr/src/cmd/ssh/sshd/auth-passwd.c	2016-08-16 20:42:19.831133650 -0400
+++ /dev/null	2016-08-16 20:42:19.000000000 -0400
@@ -1,206 +0,0 @@
-/*
- * Author: Tatu Ylonen <ylo@cs.hut.fi>
- * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- *                    All rights reserved
- * Password authentication.  This file contains the functions to check whether
- * the password is valid for the user.
- *
- * As far as I am concerned, the code I have written for this software
- * can be used freely for any purpose.  Any derived versions of this
- * software must be clearly marked as such, and if the derived work is
- * incompatible with the protocol description in the RFC file, it must be
- * called by a name other than "ssh" or "Secure Shell".
- *
- * Copyright (c) 1999 Dug Song.  All rights reserved.
- * 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"
-RCSID("$OpenBSD: auth-passwd.c,v 1.27 2002/05/24 16:45:16 stevesk Exp $");
-
-#include "packet.h"
-#include "log.h"
-#include "servconf.h"
-#include "auth.h"
-
-#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA)
-/* Don't need any of these headers for the PAM or SIA cases */
-# ifdef HAVE_CRYPT_H
-#  include <crypt.h>
-# endif
-# ifdef WITH_AIXAUTHENTICATE
-#  include <login.h>
-# endif
-# ifdef __hpux
-#  include <hpsecurity.h>
-#  include <prot.h>
-# endif
-# if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
-#  include <shadow.h>
-# endif
-# if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
-#  include <sys/label.h>
-#  include <sys/audit.h>
-#  include <pwdadj.h>
-# endif
-# if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT)
-#  include "md5crypt.h"
-# endif /* defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) */
-
-# ifdef HAVE_CYGWIN
-#  undef ERROR
-#  include <windows.h>
-#  include <sys/cygwin.h>
-#  define is_winnt       (GetVersion() < 0x80000000)
-# endif
-#endif /* !USE_PAM && !HAVE_OSF_SIA */
-
-extern ServerOptions options;
-#ifdef WITH_AIXAUTHENTICATE
-extern char *aixloginmsg;
-#endif
-
-/*
- * Tries to authenticate the user using password.  Returns true if
- * authentication succeeds.
- */
-int
-auth_password(Authctxt *authctxt, const char *password)
-{
-#if defined(USE_PAM)
-	if (*password == '\0' && options.permit_empty_passwd == 0)
-		return 0;
-	return auth_pam_password(authctxt, password);
-#elif defined(HAVE_OSF_SIA)
-	if (*password == '\0' && options.permit_empty_passwd == 0)
-		return 0;
-	return auth_sia_password(authctxt, password);
-#else
-	struct passwd * pw = authctxt->pw;
-	char *encrypted_password;
-	char *pw_password;
-	char *salt;
-#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
-	struct spwd *spw;
-#endif
-#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
-	struct passwd_adjunct *spw;
-#endif
-#ifdef WITH_AIXAUTHENTICATE
-	char *authmsg;
-	int authsuccess;
-	int reenter = 1;
-#endif
-
-	/* deny if no user. */
-	if (pw == NULL)
-		return 0;
-#ifndef HAVE_CYGWIN
-       if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
-		return 0;
-#endif
-	if (*password == '\0' && options.permit_empty_passwd == 0)
-		return 0;
-#ifdef KRB5
-	if (options.kerberos_authentication == 1) {
-		int ret = auth_krb5_password(authctxt, password);
-		if (ret == 1 || ret == 0)
-			return ret;
-		/* Fall back to ordinary passwd authentication. */
-	}
-#endif
-#ifdef HAVE_CYGWIN
-	if (is_winnt) {
-		HANDLE hToken = cygwin_logon_user(pw, password);
-
-		if (hToken == INVALID_HANDLE_VALUE)
-			return 0;
-		cygwin_set_impersonation_token(hToken);
-		return 1;
-	}
-#endif
-#ifdef WITH_AIXAUTHENTICATE
-	authsuccess = (authenticate(pw->pw_name,password,&reenter,&authmsg) == 0);
-
-	if (authsuccess)
-	        /* We don't have a pty yet, so just label the line as "ssh" */
-	        if (loginsuccess(authctxt->user,
-			get_canonical_hostname(options.verify_reverse_mapping),
-			"ssh", &aixloginmsg) < 0)
-				aixloginmsg = NULL;
-
-	return(authsuccess);
-#endif
-#ifdef KRB4
-	if (options.kerberos_authentication == 1) {
-		int ret = auth_krb4_password(authctxt, password);
-		if (ret == 1 || ret == 0)
-			return ret;
-		/* Fall back to ordinary passwd authentication. */
-	}
-#endif
-#ifdef BSD_AUTH
-	if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh",
-	    (char *)password) == 0)
-		return 0;
-	else
-		return 1;
-#endif
-	pw_password = pw->pw_passwd;
-
-	/*
-	 * Various interfaces to shadow or protected password data
-	 */
-#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
-	spw = getspnam(pw->pw_name);
-	if (spw != NULL)
-		pw_password = spw->sp_pwdp;
-#endif /* defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) */
-
-#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
-	if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL)
-		pw_password = spw->pwa_passwd;
-#endif /* defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) */
-
-	/* Check for users with no password. */
-	if ((password[0] == '\0') && (pw_password[0] == '\0'))
-		return 1;
-
-	if (pw_password[0] != '\0')
-		salt = pw_password;
-	else
-		salt = "xx";
-
-#ifdef HAVE_MD5_PASSWORDS
-	if (is_md5_salt(salt))
-		encrypted_password = md5_crypt(password, salt);
-	else
-		encrypted_password = crypt(password, salt);
-#else /* HAVE_MD5_PASSWORDS */
-	encrypted_password = crypt(password, salt);
-#endif /* HAVE_MD5_PASSWORDS */
-
-	/* Authentication is accepted if the encrypted passwords are identical. */
-	return (strcmp(encrypted_password, pw_password) == 0);
-#endif /* !USE_PAM && !HAVE_OSF_SIA */
-}
