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-rw-r--r--cpukit/telnetd/check_passwd.c106
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diff --git a/cpukit/telnetd/check_passwd.c b/cpukit/telnetd/check_passwd.c
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-/*
- * Authorship
- * ----------
- * This software was created by
- * Till Straumann <strauman@slac.stanford.edu>, 2003-2007
- * Stanford Linear Accelerator Center, Stanford University.
- *
- * Acknowledgement of sponsorship
- * ------------------------------
- * This software was produced by
- * the Stanford Linear Accelerator Center, Stanford University,
- * under Contract DE-AC03-76SFO0515 with the Department of Energy.
- *
- * Government disclaimer of liability
- * ----------------------------------
- * Neither the United States nor the United States Department of Energy,
- * nor any of their employees, makes any warranty, express or implied, or
- * assumes any legal liability or responsibility for the accuracy,
- * completeness, or usefulness of any data, apparatus, product, or process
- * disclosed, or represents that its use would not infringe privately owned
- * rights.
- *
- * Stanford disclaimer of liability
- * --------------------------------
- * Stanford University makes no representations or warranties, express or
- * implied, nor assumes any liability for the use of this software.
- *
- * Stanford disclaimer of copyright
- * --------------------------------
- * Stanford University, owner of the copyright, hereby disclaims its
- * copyright and all other rights in this software. Hence, anyone may
- * freely use it for any purpose without restriction.
- *
- * Maintenance of notices
- * ----------------------
- * In the interest of clarity regarding the origin and status of this
- * SLAC software, this and all the preceding Stanford University notices
- * are to remain affixed to any copy or derivative of this software made
- * or distributed by the recipient and are to be affixed to any copy of
- * software made or distributed by the recipient that contains a copy or
- * derivative of this software.
- *
- * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
- *
- * Copyright (c) 2009 embedded brains GmbH and others.
- *
- * embedded brains GmbH
- * Obere Lagerstr. 30
- * D-82178 Puchheim
- * Germany
- * <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <termios.h>
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-
-#include <rtems/telnetd.h>
-
-#include "des.h"
-#include <rtems/passwd.h>
-
-/**
- * @brief Standard Telnet login check that uses DES to encrypt the passphrase.
- *
- * Takes a @a passphrase, encrypts it and compares it to the encrypted
- * passphrase in the @c TELNETD_PASSWD environment variable. No password is
- * required if @c TELNETD_PASSWD is unset. The argument @a user is ignored.
- */
-bool rtems_telnetd_login_check(
- const char *user,
- const char *passphrase
-)
-{
- char *pw = getenv( "TELNETD_PASSWD");
- char cryptbuf [21];
- char salt [3];
-
- if (pw == NULL || strlen( pw) == 0) {
- #ifdef TELNETD_DEFAULT_PASSWD
- pw = TELNETD_DEFAULT_PASSWD;
- #else
- return true;
- #endif
- }
-
- strncpy( salt, pw, 2);
- salt [2] = '\0';
-
- return strcmp(
- __des_crypt_r( passphrase, salt, cryptbuf, sizeof( cryptbuf)),
- pw
- ) == 0;
-}