mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-05-13 01:34:37 +08:00
Revert "Import telnetd from RTEMS repository"
This reverts commit 1b07480ddc93c10777eff5072e7621ed0c96d30c.
This commit is contained in:
Vijay Kumar Banerjee
parent
1b07480ddc
commit
9b9a976847
22
libbsd.py
22
libbsd.py
@ -296,12 +296,6 @@ class rtems(builder.Module):
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'pppd/upap.c',
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'pppd/utils.c',
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'telnetd/telnetd-service.c',
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'telnetd/check_passwd.c',
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'telnetd/des.c',
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'telnetd/pty.c',
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'telnetd/genpw.c',
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'telnetd/telnetd-init.c',
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'telnetd/telnetd.c',
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],
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mm.generator['source']()
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)
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@ -5377,7 +5371,8 @@ class tests(builder.Module):
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self.addTest(mm.generator['test']('arphole', ['test_main'],
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runTest = False, netTest = True))
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self.addTest(mm.generator['test']('telnetd01', ['test_main'],
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runTest = False, netTest = True))
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runTest = False, netTest = True,
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extraLibs = ['telnetd']))
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self.addTest(mm.generator['test']('unix01', ['test_main']))
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self.addTest(mm.generator['test']('ftpd01', ['test_main'],
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netTest = True,
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@ -5405,26 +5400,27 @@ class tests(builder.Module):
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self.addTest(mm.generator['test']('mutex01', ['test_main']))
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self.addTest(mm.generator['test']('condvar01', ['test_main']))
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self.addTest(mm.generator['test']('ppp01', ['test_main'], runTest = False,
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extraLibs = ['ftpd']))
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extraLibs = ['ftpd', 'telnetd']))
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self.addTest(mm.generator['test']('zerocopy01', ['test_main'],
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runTest = False, netTest = True))
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runTest = False, netTest = True,
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extraLibs = ['telnetd']))
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self.addTest(mm.generator['test']('smp01', ['test_main'], extraLibs = ['rtemstest']))
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self.addTest(mm.generator['test']('media01', ['test_main', 'pattern-test'],
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runTest = False,
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extraLibs = ['ftpd']))
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extraLibs = ['ftpd', 'telnetd']))
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self.addTest(mm.generator['test']('mcast01', ['test_main']))
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self.addTest(mm.generator['test']('vlan01', ['test_main'], netTest = True))
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self.addTest(mm.generator['test']('lagg01', ['test_main'], netTest = True))
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self.addTest(mm.generator['test']('log01', ['test_main']))
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self.addTest(mm.generator['test']('rcconf01', ['test_main']))
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self.addTest(mm.generator['test']('rcconf02', ['test_main'],
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extraLibs = ['ftpd']))
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extraLibs = ['ftpd', 'telnetd']))
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self.addTest(mm.generator['test']('cdev01', ['test_main', 'test_cdev']))
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self.addTest(mm.generator['test']('pf01', ['test_main'],
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extraLibs = ['ftpd']))
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extraLibs = ['ftpd', 'telnetd']))
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self.addTest(mm.generator['test']('pf02', ['test_main'],
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runTest = False,
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extraLibs = ['ftpd']))
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extraLibs = ['ftpd', 'telnetd']))
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self.addTest(mm.generator['test']('termios', ['test_main',
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'test_termios_driver',
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'test_termios_utilities']))
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@ -1,137 +0,0 @@
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/*
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* Original Author: Fernando RUIZ CASAS (fernando.ruiz@ctv.es)
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* May 2001
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* Reworked by Till Straumann and .h overhauled by Joel Sherrill.
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*
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* Copyright (c) 2009 embedded brains GmbH and others.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* D-82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef _RTEMS_TELNETD_H
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#define _RTEMS_TELNETD_H
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#include <rtems.h>
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#include <rtems/shell.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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bool rtems_telnetd_login_check(
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const char *user,
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const char *passphrase
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);
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/**
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* @brief Telnet command type.
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*/
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typedef void (*rtems_telnetd_command)(
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char * /* device name */,
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void * /* arg */
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);
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/**
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* @brief Telnet configuration structure.
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*/
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typedef struct {
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/**
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* @brief Function invoked for each Telnet connection.
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*
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* The first parameter contains the device name. The second parameter
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* contains the argument pointer of this configuration table.
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*/
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rtems_telnetd_command command;
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/**
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* @brief Argument for command function.
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*/
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void *arg;
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/**
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* @brief Task priority.
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*
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* Use 0 for the default value.
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*/
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rtems_task_priority priority;
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/**
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* @brief Task stack size.
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*
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* Use 0 for the default value.
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*/
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size_t stack_size;
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/**
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* @brief Login check function.
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*
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* Method used for login checks. Use @c NULL to disable a login check.
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*/
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rtems_shell_login_check_t login_check;
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/**
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* @brief This is an obsolete configuration option.
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*
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* It must be set to false, otherwise rtems_telnetd_start() will do nothing
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* and returns with a status of RTEMS_NOT_IMPLEMENTED.
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*/
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bool keep_stdio;
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/**
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* @brief Maximum number of clients which can connect to the system at a
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* time.
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*
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* Use 0 for the default value.
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*/
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uint16_t client_maximum;
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/**
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* @brief Server port number in host byte order.
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*
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* Use 0 for the default value.
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*/
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uint16_t port;
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} rtems_telnetd_config_table;
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/**
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* @brief Starts the Telnet server using the provided configuration.
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*
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* @retval RTEMS_SUCCESSFUL Successful operation.
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* @retval RTEMS_INVALID_ADDRESS The command function in the configuration is
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* @c NULL.
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* @retval RTEMS_RESOURCE_IN_USE The server port is already in use.
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* @retval RTEMS_NOT_IMPLEMENTED The keep stdio configuration option is true.
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* @retval RTEMS_UNSATISFIED Not enough resources to start the Telnet server or
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* task priority in configuration is invalid.
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*/
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rtems_status_code rtems_telnetd_start(const rtems_telnetd_config_table *config);
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/**
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* @brief Telnet configuration.
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*
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* The application must provide this configuration table. It is used by
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* rtems_telnetd_initialize() to configure the Telnet subsystem. Do not modify
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* the entries after the intialization since it is used internally.
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*/
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extern rtems_telnetd_config_table rtems_telnetd_config;
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/**
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* @brief Initializes the Telnet subsystem.
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*
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* Uses the application provided @ref rtems_telnetd_config configuration table.
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*/
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rtems_status_code rtems_telnetd_initialize(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -1,23 +0,0 @@
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Author: fernando.ruiz@ctv.es (correo@fernando-ruiz.com)
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This directory contains a telnetd server
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primary features:
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+ create a user shell pseudo-terminal task.
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This code has not been extensively tested. It is provided as a tool
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for RTEMS users to open more shell tcp/ip pseudo-terminal.
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Suggestions and comments are appreciated.
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Read libmisc/shell for more information.
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NOTES:
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1. OOB not yet implemented. Only a reduced negotiation is implemented.
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2. If you have tcp/ip initialied you can start telnetd daemon.
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You need register pseudo-terminals driver into device drivers table.
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Enjoy it.
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FUTURE:
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@ -1,106 +0,0 @@
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/*
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* Authorship
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* ----------
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* This software was created by
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* Till Straumann <strauman@slac.stanford.edu>, 2003-2007
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* Stanford Linear Accelerator Center, Stanford University.
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*
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* Acknowledgement of sponsorship
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* ------------------------------
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* This software was produced by
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* the Stanford Linear Accelerator Center, Stanford University,
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* under Contract DE-AC03-76SFO0515 with the Department of Energy.
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*
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* Government disclaimer of liability
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* ----------------------------------
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* Neither the United States nor the United States Department of Energy,
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* nor any of their employees, makes any warranty, express or implied, or
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* assumes any legal liability or responsibility for the accuracy,
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* completeness, or usefulness of any data, apparatus, product, or process
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* disclosed, or represents that its use would not infringe privately owned
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* rights.
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*
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* Stanford disclaimer of liability
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* --------------------------------
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* Stanford University makes no representations or warranties, express or
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* implied, nor assumes any liability for the use of this software.
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*
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* Stanford disclaimer of copyright
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* --------------------------------
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* Stanford University, owner of the copyright, hereby disclaims its
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* copyright and all other rights in this software. Hence, anyone may
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* freely use it for any purpose without restriction.
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*
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* Maintenance of notices
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* ----------------------
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* In the interest of clarity regarding the origin and status of this
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* SLAC software, this and all the preceding Stanford University notices
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* are to remain affixed to any copy or derivative of this software made
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* or distributed by the recipient and are to be affixed to any copy of
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* software made or distributed by the recipient that contains a copy or
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* derivative of this software.
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*
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* ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
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*
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* Copyright (c) 2009 embedded brains GmbH and others.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* D-82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <termios.h>
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <rtems/telnetd.h>
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#include "des.h"
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#include <rtems/passwd.h>
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/**
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* @brief Standard Telnet login check that uses DES to encrypt the passphrase.
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*
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* Takes a @a passphrase, encrypts it and compares it to the encrypted
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* passphrase in the @c TELNETD_PASSWD environment variable. No password is
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* required if @c TELNETD_PASSWD is unset. The argument @a user is ignored.
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*/
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bool rtems_telnetd_login_check(
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const char *user,
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const char *passphrase
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)
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{
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char *pw = getenv( "TELNETD_PASSWD");
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char cryptbuf [21];
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char salt [3];
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if (pw == NULL || strlen( pw) == 0) {
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#ifdef TELNETD_DEFAULT_PASSWD
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pw = TELNETD_DEFAULT_PASSWD;
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#else
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return true;
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#endif
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}
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strncpy( salt, pw, 2);
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salt [2] = '\0';
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return strcmp(
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__des_crypt_r( passphrase, salt, cryptbuf, sizeof( cryptbuf)),
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pw
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) == 0;
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}
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@ -1,873 +0,0 @@
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/*
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* FreeSec: libcrypt for NetBSD
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*
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* Copyright (c) 1994 David Burren
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* All rights reserved.
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*
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* Ported to RTEMS and made reentrant by Till Straumann, 9/2003
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*
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* Adapted for FreeBSD-2.0 by Geoffrey M. Rehmet
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* this file should now *only* export crypt(), in order to make
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* binaries of libcrypt exportable from the USA
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*
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* Adapted for FreeBSD-4.0 by Mark R V Murray
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* this file should now *only* export crypt_des(), in order to make
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* a module that can be optionally included in libcrypt.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of other contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This is an original implementation of the DES and the crypt(3) interfaces
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* by David Burren <davidb@werj.com.au>.
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*
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* An excellent reference on the underlying algorithm (and related
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* algorithms) is:
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*
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* B. Schneier, Applied Cryptography: protocols, algorithms,
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* and source code in C, John Wiley & Sons, 1994.
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*
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* Note that in that book's description of DES the lookups for the initial,
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* pbox, and final permutations are inverted (this has been brought to the
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* attention of the author). A list of errata for this book has been
|
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* posted to the sci.crypt newsgroup by the author and is available for FTP.
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*
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* ARCHITECTURE ASSUMPTIONS:
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* It is assumed that the 8-byte arrays passed by reference can be
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* addressed as arrays of u_int32_t's (ie. the CPU is not picky about
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* alignment).
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define __FORCE_GLIBC
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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#ifndef __rtems__
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#include <pwd.h>
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#include <crypt.h>
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include "des.h"
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#define REENTRANT
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/* Re-entrantify me -- all this junk needs to be in
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* struct crypt_data to make this really reentrant... */
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/* TS; not really - only the stuff in Des_Context */
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static struct fixed1 {
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u_char inv_key_perm[64];
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u_char inv_comp_perm[56];
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u_char u_sbox[8][64];
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u_char un_pbox[32];
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} des1_f;
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static struct fixed2 {
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u_int32_t ip_maskl[8][256], ip_maskr[8][256];
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} des2_f;
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static struct fixed3 {
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u_int32_t fp_maskl[8][256], fp_maskr[8][256];
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} des3_f;
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static struct fixed4 {
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u_int32_t key_perm_maskl[8][128], key_perm_maskr[8][128];
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u_int32_t comp_maskl[8][128], comp_maskr[8][128];
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} des4_f;
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#define inv_key_perm des1_f.inv_key_perm
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#define inv_comp_perm des1_f.inv_comp_perm
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#define u_sbox des1_f.u_sbox
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#define un_pbox des1_f.un_pbox
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#define ip_maskl des2_f.ip_maskl
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#define ip_maskr des2_f.ip_maskr
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#define fp_maskl des3_f.fp_maskl
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#define fp_maskr des3_f.fp_maskr
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#define key_perm_maskl des4_f.key_perm_maskl
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#define key_perm_maskr des4_f.key_perm_maskr
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#define comp_maskl des4_f.comp_maskl
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#define comp_maskr des4_f.comp_maskr
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/* These need to be maintained per-process */
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struct Des_Context {
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u_int32_t en_keysl[16], en_keysr[16];
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u_int32_t de_keysl[16], de_keysr[16];
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u_int32_t saltbits;
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u_int32_t old_salt;
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u_int32_t old_rawkey0, old_rawkey1;
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};
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#ifndef REENTRANT
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static struct Des_Context single;
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#endif
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#define en_keysl des_ctx->en_keysl
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#define en_keysr des_ctx->en_keysr
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#define de_keysl des_ctx->de_keysl
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#define de_keysr des_ctx->de_keysr
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#define saltbits des_ctx->saltbits
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#define old_salt des_ctx->old_salt
|
||||
#define old_rawkey0 des_ctx->old_rawkey0
|
||||
#define old_rawkey1 des_ctx->old_rawkey1
|
||||
|
||||
/* Static stuff that stays resident and doesn't change after
|
||||
* being initialized, and therefore doesn't need to be made
|
||||
* reentrant. */
|
||||
static u_char init_perm[64], final_perm[64];
|
||||
static u_char m_sbox[4][4096];
|
||||
static u_int32_t psbox[4][256];
|
||||
|
||||
|
||||
|
||||
|
||||
/* A pile of data */
|
||||
static const u_char ascii64[] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
||||
|
||||
static const u_char IP[64] = {
|
||||
58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,
|
||||
62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8,
|
||||
57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3,
|
||||
61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7
|
||||
};
|
||||
|
||||
static const u_char key_perm[56] = {
|
||||
57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18,
|
||||
10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36,
|
||||
63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22,
|
||||
14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4
|
||||
};
|
||||
|
||||
static const u_char key_shifts[16] = {
|
||||
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1
|
||||
};
|
||||
|
||||
static const u_char comp_perm[48] = {
|
||||
14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10,
|
||||
23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2,
|
||||
41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48,
|
||||
44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32
|
||||
};
|
||||
|
||||
/*
|
||||
* No E box is used, as it's replaced by some ANDs, shifts, and ORs.
|
||||
*/
|
||||
|
||||
static const u_char sbox[8][64] = {
|
||||
{
|
||||
14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
|
||||
0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
|
||||
4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
|
||||
15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13
|
||||
},
|
||||
{
|
||||
15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
|
||||
3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
|
||||
0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
|
||||
13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9
|
||||
},
|
||||
{
|
||||
10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
|
||||
13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
|
||||
13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
|
||||
1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12
|
||||
},
|
||||
{
|
||||
7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
|
||||
13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
|
||||
10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
|
||||
3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14
|
||||
},
|
||||
{
|
||||
2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
|
||||
14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
|
||||
4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
|
||||
11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3
|
||||
},
|
||||
{
|
||||
12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
|
||||
10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
|
||||
9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
|
||||
4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13
|
||||
},
|
||||
{
|
||||
4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
|
||||
13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
|
||||
1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
|
||||
6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12
|
||||
},
|
||||
{
|
||||
13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
|
||||
1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
|
||||
7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
|
||||
2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11
|
||||
}
|
||||
};
|
||||
|
||||
static const u_char pbox[32] = {
|
||||
16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10,
|
||||
2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25
|
||||
};
|
||||
|
||||
static const u_int32_t bits32[32] =
|
||||
{
|
||||
0x80000000, 0x40000000, 0x20000000, 0x10000000,
|
||||
0x08000000, 0x04000000, 0x02000000, 0x01000000,
|
||||
0x00800000, 0x00400000, 0x00200000, 0x00100000,
|
||||
0x00080000, 0x00040000, 0x00020000, 0x00010000,
|
||||
0x00008000, 0x00004000, 0x00002000, 0x00001000,
|
||||
0x00000800, 0x00000400, 0x00000200, 0x00000100,
|
||||
0x00000080, 0x00000040, 0x00000020, 0x00000010,
|
||||
0x00000008, 0x00000004, 0x00000002, 0x00000001
|
||||
};
|
||||
|
||||
static const u_char bits8[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
|
||||
static const u_int32_t *bits28, *bits24;
|
||||
|
||||
|
||||
static int
|
||||
ascii_to_bin(char ch)
|
||||
{
|
||||
if (ch > 'z')
|
||||
return(0);
|
||||
if (ch >= 'a')
|
||||
return(ch - 'a' + 38);
|
||||
if (ch > 'Z')
|
||||
return(0);
|
||||
if (ch >= 'A')
|
||||
return(ch - 'A' + 12);
|
||||
if (ch > '9')
|
||||
return(0);
|
||||
if (ch >= '.')
|
||||
return(ch - '.');
|
||||
return(0);
|
||||
}
|
||||
|
||||
static struct Des_Context *
|
||||
des_ctx_init(void)
|
||||
{
|
||||
struct Des_Context *des_ctx;
|
||||
#ifdef REENTRANT
|
||||
des_ctx = malloc(sizeof(*des_ctx));
|
||||
#else
|
||||
des_ctx = &single;
|
||||
#endif
|
||||
old_rawkey0 = old_rawkey1 = 0L;
|
||||
saltbits = 0L;
|
||||
old_salt = 0L;
|
||||
|
||||
return des_ctx;
|
||||
}
|
||||
|
||||
static void
|
||||
des_init(void)
|
||||
{
|
||||
int i, j, b, k, inbit, obit;
|
||||
u_int32_t *p, *il, *ir, *fl, *fr;
|
||||
static int des_initialised = 0;
|
||||
|
||||
if (des_initialised==1)
|
||||
return;
|
||||
|
||||
#ifndef REENTRANT
|
||||
des_ctx_init();
|
||||
#endif
|
||||
|
||||
bits24 = (bits28 = bits32 + 4) + 4;
|
||||
|
||||
/*
|
||||
* Invert the S-boxes, reordering the input bits.
|
||||
*/
|
||||
for (i = 0; i < 8; i++)
|
||||
for (j = 0; j < 64; j++) {
|
||||
b = (j & 0x20) | ((j & 1) << 4) | ((j >> 1) & 0xf);
|
||||
u_sbox[i][j] = sbox[i][b];
|
||||
}
|
||||
|
||||
/*
|
||||
* Convert the inverted S-boxes into 4 arrays of 8 bits.
|
||||
* Each will handle 12 bits of the S-box input.
|
||||
*/
|
||||
for (b = 0; b < 4; b++)
|
||||
for (i = 0; i < 64; i++)
|
||||
for (j = 0; j < 64; j++)
|
||||
m_sbox[b][(i << 6) | j] =
|
||||
(u_char)((u_sbox[(b << 1)][i] << 4) |
|
||||
u_sbox[(b << 1) + 1][j]);
|
||||
|
||||
/*
|
||||
* Set up the initial & final permutations into a useful form, and
|
||||
* initialise the inverted key permutation.
|
||||
*/
|
||||
for (i = 0; i < 64; i++) {
|
||||
init_perm[final_perm[i] = IP[i] - 1] = (u_char)i;
|
||||
inv_key_perm[i] = 255;
|
||||
}
|
||||
|
||||
/*
|
||||
* Invert the key permutation and initialise the inverted key
|
||||
* compression permutation.
|
||||
*/
|
||||
for (i = 0; i < 56; i++) {
|
||||
inv_key_perm[key_perm[i] - 1] = (u_char)i;
|
||||
inv_comp_perm[i] = 255;
|
||||
}
|
||||
|
||||
/*
|
||||
* Invert the key compression permutation.
|
||||
*/
|
||||
for (i = 0; i < 48; i++) {
|
||||
inv_comp_perm[comp_perm[i] - 1] = (u_char)i;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up the OR-mask arrays for the initial and final permutations,
|
||||
* and for the key initial and compression permutations.
|
||||
*/
|
||||
for (k = 0; k < 8; k++) {
|
||||
for (i = 0; i < 256; i++) {
|
||||
*(il = &ip_maskl[k][i]) = 0L;
|
||||
*(ir = &ip_maskr[k][i]) = 0L;
|
||||
*(fl = &fp_maskl[k][i]) = 0L;
|
||||
*(fr = &fp_maskr[k][i]) = 0L;
|
||||
for (j = 0; j < 8; j++) {
|
||||
inbit = 8 * k + j;
|
||||
if (i & bits8[j]) {
|
||||
if ((obit = init_perm[inbit]) < 32)
|
||||
*il |= bits32[obit];
|
||||
else
|
||||
*ir |= bits32[obit-32];
|
||||
if ((obit = final_perm[inbit]) < 32)
|
||||
*fl |= bits32[obit];
|
||||
else
|
||||
*fr |= bits32[obit - 32];
|
||||
}
|
||||
}
|
||||
}
|
||||
for (i = 0; i < 128; i++) {
|
||||
*(il = &key_perm_maskl[k][i]) = 0L;
|
||||
*(ir = &key_perm_maskr[k][i]) = 0L;
|
||||
for (j = 0; j < 7; j++) {
|
||||
inbit = 8 * k + j;
|
||||
if (i & bits8[j + 1]) {
|
||||
if ((obit = inv_key_perm[inbit]) == 255)
|
||||
continue;
|
||||
if (obit < 28)
|
||||
*il |= bits28[obit];
|
||||
else
|
||||
*ir |= bits28[obit - 28];
|
||||
}
|
||||
}
|
||||
*(il = &comp_maskl[k][i]) = 0L;
|
||||
*(ir = &comp_maskr[k][i]) = 0L;
|
||||
for (j = 0; j < 7; j++) {
|
||||
inbit = 7 * k + j;
|
||||
if (i & bits8[j + 1]) {
|
||||
if ((obit=inv_comp_perm[inbit]) == 255)
|
||||
continue;
|
||||
if (obit < 24)
|
||||
*il |= bits24[obit];
|
||||
else
|
||||
*ir |= bits24[obit - 24];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Invert the P-box permutation, and convert into OR-masks for
|
||||
* handling the output of the S-box arrays setup above.
|
||||
*/
|
||||
for (i = 0; i < 32; i++)
|
||||
un_pbox[pbox[i] - 1] = (u_char)i;
|
||||
|
||||
for (b = 0; b < 4; b++)
|
||||
for (i = 0; i < 256; i++) {
|
||||
*(p = &psbox[b][i]) = 0L;
|
||||
for (j = 0; j < 8; j++) {
|
||||
if (i & bits8[j])
|
||||
*p |= bits32[un_pbox[8 * b + j]];
|
||||
}
|
||||
}
|
||||
|
||||
des_initialised = 1;
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
setup_salt(long salt, struct Des_Context *des_ctx)
|
||||
{
|
||||
u_int32_t obit, saltbit;
|
||||
int i;
|
||||
|
||||
if (salt == old_salt)
|
||||
return;
|
||||
old_salt = salt;
|
||||
|
||||
saltbits = 0L;
|
||||
saltbit = 1;
|
||||
obit = 0x800000;
|
||||
for (i = 0; i < 24; i++) {
|
||||
if (salt & saltbit)
|
||||
saltbits |= obit;
|
||||
saltbit <<= 1;
|
||||
obit >>= 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
des_setkey(const char *key, struct Des_Context *des_ctx)
|
||||
{
|
||||
u_int32_t k0, k1, rawkey0, rawkey1;
|
||||
int shifts, round;
|
||||
|
||||
des_init();
|
||||
|
||||
rawkey0 = ntohl(*(const u_int32_t *) key);
|
||||
rawkey1 = ntohl(*(const u_int32_t *) (key + 4));
|
||||
|
||||
if ((rawkey0 | rawkey1)
|
||||
&& rawkey0 == old_rawkey0
|
||||
&& rawkey1 == old_rawkey1) {
|
||||
/*
|
||||
* Already setup for this key.
|
||||
* This optimisation fails on a zero key (which is weak and
|
||||
* has bad parity anyway) in order to simplify the starting
|
||||
* conditions.
|
||||
*/
|
||||
return(0);
|
||||
}
|
||||
old_rawkey0 = rawkey0;
|
||||
old_rawkey1 = rawkey1;
|
||||
|
||||
/*
|
||||
* Do key permutation and split into two 28-bit subkeys.
|
||||
*/
|
||||
k0 = key_perm_maskl[0][rawkey0 >> 25]
|
||||
| key_perm_maskl[1][(rawkey0 >> 17) & 0x7f]
|
||||
| key_perm_maskl[2][(rawkey0 >> 9) & 0x7f]
|
||||
| key_perm_maskl[3][(rawkey0 >> 1) & 0x7f]
|
||||
| key_perm_maskl[4][rawkey1 >> 25]
|
||||
| key_perm_maskl[5][(rawkey1 >> 17) & 0x7f]
|
||||
| key_perm_maskl[6][(rawkey1 >> 9) & 0x7f]
|
||||
| key_perm_maskl[7][(rawkey1 >> 1) & 0x7f];
|
||||
k1 = key_perm_maskr[0][rawkey0 >> 25]
|
||||
| key_perm_maskr[1][(rawkey0 >> 17) & 0x7f]
|
||||
| key_perm_maskr[2][(rawkey0 >> 9) & 0x7f]
|
||||
| key_perm_maskr[3][(rawkey0 >> 1) & 0x7f]
|
||||
| key_perm_maskr[4][rawkey1 >> 25]
|
||||
| key_perm_maskr[5][(rawkey1 >> 17) & 0x7f]
|
||||
| key_perm_maskr[6][(rawkey1 >> 9) & 0x7f]
|
||||
| key_perm_maskr[7][(rawkey1 >> 1) & 0x7f];
|
||||
/*
|
||||
* Rotate subkeys and do compression permutation.
|
||||
*/
|
||||
shifts = 0;
|
||||
for (round = 0; round < 16; round++) {
|
||||
u_int32_t t0, t1;
|
||||
|
||||
shifts += key_shifts[round];
|
||||
|
||||
t0 = (k0 << shifts) | (k0 >> (28 - shifts));
|
||||
t1 = (k1 << shifts) | (k1 >> (28 - shifts));
|
||||
|
||||
de_keysl[15 - round] =
|
||||
en_keysl[round] = comp_maskl[0][(t0 >> 21) & 0x7f]
|
||||
| comp_maskl[1][(t0 >> 14) & 0x7f]
|
||||
| comp_maskl[2][(t0 >> 7) & 0x7f]
|
||||
| comp_maskl[3][t0 & 0x7f]
|
||||
| comp_maskl[4][(t1 >> 21) & 0x7f]
|
||||
| comp_maskl[5][(t1 >> 14) & 0x7f]
|
||||
| comp_maskl[6][(t1 >> 7) & 0x7f]
|
||||
| comp_maskl[7][t1 & 0x7f];
|
||||
|
||||
de_keysr[15 - round] =
|
||||
en_keysr[round] = comp_maskr[0][(t0 >> 21) & 0x7f]
|
||||
| comp_maskr[1][(t0 >> 14) & 0x7f]
|
||||
| comp_maskr[2][(t0 >> 7) & 0x7f]
|
||||
| comp_maskr[3][t0 & 0x7f]
|
||||
| comp_maskr[4][(t1 >> 21) & 0x7f]
|
||||
| comp_maskr[5][(t1 >> 14) & 0x7f]
|
||||
| comp_maskr[6][(t1 >> 7) & 0x7f]
|
||||
| comp_maskr[7][t1 & 0x7f];
|
||||
}
|
||||
return(0);
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
do_des( u_int32_t l_in, u_int32_t r_in, u_int32_t *l_out, u_int32_t *r_out, int count, struct Des_Context *des_ctx)
|
||||
{
|
||||
/*
|
||||
* l_in, r_in, l_out, and r_out are in pseudo-"big-endian" format.
|
||||
*/
|
||||
u_int32_t l, r, *kl, *kr, *kl1, *kr1;
|
||||
u_int32_t f, r48l, r48r;
|
||||
int round;
|
||||
|
||||
if (count == 0) {
|
||||
return(1);
|
||||
} else if (count > 0) {
|
||||
/*
|
||||
* Encrypting
|
||||
*/
|
||||
kl1 = en_keysl;
|
||||
kr1 = en_keysr;
|
||||
} else {
|
||||
/*
|
||||
* Decrypting
|
||||
*/
|
||||
count = -count;
|
||||
kl1 = de_keysl;
|
||||
kr1 = de_keysr;
|
||||
}
|
||||
|
||||
/*
|
||||
* Do initial permutation (IP).
|
||||
*/
|
||||
l = ip_maskl[0][l_in >> 24]
|
||||
| ip_maskl[1][(l_in >> 16) & 0xff]
|
||||
| ip_maskl[2][(l_in >> 8) & 0xff]
|
||||
| ip_maskl[3][l_in & 0xff]
|
||||
| ip_maskl[4][r_in >> 24]
|
||||
| ip_maskl[5][(r_in >> 16) & 0xff]
|
||||
| ip_maskl[6][(r_in >> 8) & 0xff]
|
||||
| ip_maskl[7][r_in & 0xff];
|
||||
r = ip_maskr[0][l_in >> 24]
|
||||
| ip_maskr[1][(l_in >> 16) & 0xff]
|
||||
| ip_maskr[2][(l_in >> 8) & 0xff]
|
||||
| ip_maskr[3][l_in & 0xff]
|
||||
| ip_maskr[4][r_in >> 24]
|
||||
| ip_maskr[5][(r_in >> 16) & 0xff]
|
||||
| ip_maskr[6][(r_in >> 8) & 0xff]
|
||||
| ip_maskr[7][r_in & 0xff];
|
||||
|
||||
while (count--) {
|
||||
/*
|
||||
* Do each round.
|
||||
*/
|
||||
kl = kl1;
|
||||
kr = kr1;
|
||||
round = 16;
|
||||
while (round--) {
|
||||
/*
|
||||
* Expand R to 48 bits (simulate the E-box).
|
||||
*/
|
||||
r48l = ((r & 0x00000001) << 23)
|
||||
| ((r & 0xf8000000) >> 9)
|
||||
| ((r & 0x1f800000) >> 11)
|
||||
| ((r & 0x01f80000) >> 13)
|
||||
| ((r & 0x001f8000) >> 15);
|
||||
|
||||
r48r = ((r & 0x0001f800) << 7)
|
||||
| ((r & 0x00001f80) << 5)
|
||||
| ((r & 0x000001f8) << 3)
|
||||
| ((r & 0x0000001f) << 1)
|
||||
| ((r & 0x80000000) >> 31);
|
||||
/*
|
||||
* Do salting for crypt() and friends, and
|
||||
* XOR with the permuted key.
|
||||
*/
|
||||
f = (r48l ^ r48r) & saltbits;
|
||||
r48l ^= f ^ *kl++;
|
||||
r48r ^= f ^ *kr++;
|
||||
/*
|
||||
* Do sbox lookups (which shrink it back to 32 bits)
|
||||
* and do the pbox permutation at the same time.
|
||||
*/
|
||||
f = psbox[0][m_sbox[0][r48l >> 12]]
|
||||
| psbox[1][m_sbox[1][r48l & 0xfff]]
|
||||
| psbox[2][m_sbox[2][r48r >> 12]]
|
||||
| psbox[3][m_sbox[3][r48r & 0xfff]];
|
||||
/*
|
||||
* Now that we've permuted things, complete f().
|
||||
*/
|
||||
f ^= l;
|
||||
l = r;
|
||||
r = f;
|
||||
}
|
||||
r = l;
|
||||
l = f;
|
||||
}
|
||||
/*
|
||||
* Do final permutation (inverse of IP).
|
||||
*/
|
||||
*l_out = fp_maskl[0][l >> 24]
|
||||
| fp_maskl[1][(l >> 16) & 0xff]
|
||||
| fp_maskl[2][(l >> 8) & 0xff]
|
||||
| fp_maskl[3][l & 0xff]
|
||||
| fp_maskl[4][r >> 24]
|
||||
| fp_maskl[5][(r >> 16) & 0xff]
|
||||
| fp_maskl[6][(r >> 8) & 0xff]
|
||||
| fp_maskl[7][r & 0xff];
|
||||
*r_out = fp_maskr[0][l >> 24]
|
||||
| fp_maskr[1][(l >> 16) & 0xff]
|
||||
| fp_maskr[2][(l >> 8) & 0xff]
|
||||
| fp_maskr[3][l & 0xff]
|
||||
| fp_maskr[4][r >> 24]
|
||||
| fp_maskr[5][(r >> 16) & 0xff]
|
||||
| fp_maskr[6][(r >> 8) & 0xff]
|
||||
| fp_maskr[7][r & 0xff];
|
||||
return(0);
|
||||
}
|
||||
|
||||
|
||||
#if 0
|
||||
static int
|
||||
des_cipher(const char *in, char *out, u_int32_t salt, int count)
|
||||
{
|
||||
u_int32_t l_out, r_out, rawl, rawr;
|
||||
int retval;
|
||||
union {
|
||||
u_int32_t *ui32;
|
||||
const char *c;
|
||||
} trans;
|
||||
|
||||
des_init();
|
||||
|
||||
setup_salt(salt);
|
||||
|
||||
trans.c = in;
|
||||
rawl = ntohl(*trans.ui32++);
|
||||
rawr = ntohl(*trans.ui32);
|
||||
|
||||
retval = do_des(rawl, rawr, &l_out, &r_out, count);
|
||||
|
||||
trans.c = out;
|
||||
*trans.ui32++ = htonl(l_out);
|
||||
*trans.ui32 = htonl(r_out);
|
||||
return(retval);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#ifndef REENTRANT
|
||||
void
|
||||
setkey(const char *key)
|
||||
{
|
||||
int i, j;
|
||||
u_int32_t packed_keys[2];
|
||||
u_char *p;
|
||||
|
||||
p = (u_char *) packed_keys;
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
p[i] = 0;
|
||||
for (j = 0; j < 8; j++)
|
||||
if (*key++ & 1)
|
||||
p[i] |= bits8[j];
|
||||
}
|
||||
des_setkey(p, &single);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#ifndef REENTRANT
|
||||
void
|
||||
encrypt(char *block, int flag)
|
||||
{
|
||||
u_int32_t io[2];
|
||||
u_char *p;
|
||||
int i, j;
|
||||
|
||||
des_init();
|
||||
|
||||
setup_salt(0L, &single);
|
||||
p = block;
|
||||
for (i = 0; i < 2; i++) {
|
||||
io[i] = 0L;
|
||||
for (j = 0; j < 32; j++)
|
||||
if (*p++ & 1)
|
||||
io[i] |= bits32[j];
|
||||
}
|
||||
do_des(io[0], io[1], io, io + 1, flag ? -1 : 1, &single);
|
||||
for (i = 0; i < 2; i++)
|
||||
for (j = 0; j < 32; j++)
|
||||
block[(i << 5) | j] = (io[i] & bits32[j]) ? 1 : 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
char *
|
||||
__des_crypt_r(const char *key, const char *setting, char *output, int sz)
|
||||
{
|
||||
char *rval = 0;
|
||||
struct Des_Context *des_ctx;
|
||||
u_int32_t count, salt, l, r0, r1, keybuf[2];
|
||||
u_char *p, *q;
|
||||
|
||||
if (sz < 21)
|
||||
return NULL;
|
||||
|
||||
des_init();
|
||||
des_ctx = des_ctx_init();
|
||||
|
||||
/*
|
||||
* Copy the key, shifting each character up by one bit
|
||||
* and padding with zeros.
|
||||
*/
|
||||
q = (u_char *)keybuf;
|
||||
while (q - (u_char *)keybuf - 8) {
|
||||
*q++ = *key << 1;
|
||||
if (*(q - 1))
|
||||
key++;
|
||||
}
|
||||
if (des_setkey((char *)keybuf, des_ctx))
|
||||
goto bailout;
|
||||
|
||||
#if 0
|
||||
if (*setting == _PASSWORD_EFMT1) {
|
||||
int i;
|
||||
/*
|
||||
* "new"-style:
|
||||
* setting - underscore, 4 bytes of count, 4 bytes of salt
|
||||
* key - unlimited characters
|
||||
*/
|
||||
for (i = 1, count = 0L; i < 5; i++)
|
||||
count |= ascii_to_bin(setting[i]) << ((i - 1) * 6);
|
||||
|
||||
for (i = 5, salt = 0L; i < 9; i++)
|
||||
salt |= ascii_to_bin(setting[i]) << ((i - 5) * 6);
|
||||
|
||||
while (*key) {
|
||||
/*
|
||||
* Encrypt the key with itself.
|
||||
*/
|
||||
if (des_cipher((char *)keybuf, (char *)keybuf, 0L, 1))
|
||||
goto bailout;
|
||||
/*
|
||||
* And XOR with the next 8 characters of the key.
|
||||
*/
|
||||
q = (u_char *)keybuf;
|
||||
while (q - (u_char *)keybuf - 8 && *key)
|
||||
*q++ ^= *key++ << 1;
|
||||
|
||||
if (des_setkey((char *)keybuf))
|
||||
goto bailout;
|
||||
}
|
||||
strncpy(output, setting, 9);
|
||||
|
||||
/*
|
||||
* Double check that we weren't given a short setting.
|
||||
* If we were, the above code will probably have created
|
||||
* wierd values for count and salt, but we don't really care.
|
||||
* Just make sure the output string doesn't have an extra
|
||||
* NUL in it.
|
||||
*/
|
||||
output[9] = '\0';
|
||||
p = (u_char *)output + strlen(output);
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
/*
|
||||
* "old"-style:
|
||||
* setting - 2 bytes of salt
|
||||
* key - up to 8 characters
|
||||
*/
|
||||
count = 25;
|
||||
|
||||
salt = (ascii_to_bin(setting[1]) << 6)
|
||||
| ascii_to_bin(setting[0]);
|
||||
|
||||
output[0] = setting[0];
|
||||
/*
|
||||
* If the encrypted password that the salt was extracted from
|
||||
* is only 1 character long, the salt will be corrupted. We
|
||||
* need to ensure that the output string doesn't have an extra
|
||||
* NUL in it!
|
||||
*/
|
||||
output[1] = setting[1] ? setting[1] : output[0];
|
||||
|
||||
p = (u_char *)output + 2;
|
||||
}
|
||||
setup_salt(salt, des_ctx);
|
||||
/*
|
||||
* Do it.
|
||||
*/
|
||||
if (do_des(0L, 0L, &r0, &r1, (int)count, des_ctx))
|
||||
goto bailout;
|
||||
/*
|
||||
* Now encode the result...
|
||||
*/
|
||||
l = (r0 >> 8);
|
||||
*p++ = ascii64[(l >> 18) & 0x3f];
|
||||
*p++ = ascii64[(l >> 12) & 0x3f];
|
||||
*p++ = ascii64[(l >> 6) & 0x3f];
|
||||
*p++ = ascii64[l & 0x3f];
|
||||
|
||||
l = (r0 << 16) | ((r1 >> 16) & 0xffff);
|
||||
*p++ = ascii64[(l >> 18) & 0x3f];
|
||||
*p++ = ascii64[(l >> 12) & 0x3f];
|
||||
*p++ = ascii64[(l >> 6) & 0x3f];
|
||||
*p++ = ascii64[l & 0x3f];
|
||||
|
||||
l = r1 << 2;
|
||||
*p++ = ascii64[(l >> 12) & 0x3f];
|
||||
*p++ = ascii64[(l >> 6) & 0x3f];
|
||||
*p++ = ascii64[l & 0x3f];
|
||||
*p = 0;
|
||||
|
||||
rval = output;
|
||||
bailout:
|
||||
free(des_ctx);
|
||||
return rval;
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
|
||||
void
|
||||
des_snap(void **pf, void **pd)
|
||||
{
|
||||
uint8* pfc;
|
||||
*pf = malloc(sizeof(struct fixed1) + sizeof(struct fixed2) + sizeof(struct fixed3) + sizeof(struct fixed4));
|
||||
pfc = *pf;
|
||||
memcpy(pfc, &des1_f, sizeof(des1_f));
|
||||
pfc += sizeof(des1_f);
|
||||
memcpy(pfc, &des2_f, sizeof(des2_f));
|
||||
pfc += sizeof(des2_f);
|
||||
memcpy(pfc, &des3_f, sizeof(des3_f));
|
||||
pfc += sizeof(des3_f);
|
||||
memcpy(pfc, &des4_f, sizeof(des4_f));
|
||||
// *pd = malloc(sizeof(struct Des_Context));
|
||||
// memcpy(*pd, &des_ctx, sizeof(des_ctx));
|
||||
}
|
||||
|
||||
void
|
||||
des_check(void *pf, void *pd)
|
||||
{
|
||||
uint8* pfc1, pfc2, pfc3, pfc4;
|
||||
pfc1 = pf;
|
||||
pfc2 = pfc1 + sizeof(des1_f);
|
||||
pfc3 = pfc2 + sizeof(des2_f);
|
||||
pfc4 = pfc3 + sizeof(des3_f);
|
||||
printf("Fixed: do%s differ"/*", Context: do%s differ"*/"\n",
|
||||
(memcmp(pfc1, &des1_f, sizeof(des1_f)) ||
|
||||
memcmp(pfc2, &des2_f, sizeof(des2_f)) ||
|
||||
memcmp(pfc3, &des4_f, sizeof(des3_f)) ||
|
||||
memcmp(pfc4, &des4_f, sizeof(des4_f))) ? "" : "nt");
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -1 +0,0 @@
|
||||
char *__des_crypt_r(const char *, const char *, char *, int);
|
||||
@ -1,79 +0,0 @@
|
||||
/*
|
||||
* 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
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <crypt.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
static void
|
||||
usage(char *nm)
|
||||
{
|
||||
fprintf(stderr,"Usage: %s [-h] [-s salt] cleartext_password\n", nm);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
int ch;
|
||||
char *salt="td";
|
||||
while ( (ch=getopt(argc, argv, "hs:")) >=0 ) {
|
||||
switch (ch) {
|
||||
default: fprintf(stderr,"Unknown Option '%c'\n",ch);
|
||||
case 'h': usage(argv[0]);
|
||||
return 0;
|
||||
case 's': salt=optarg;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ( optind >= argc ) {
|
||||
usage(argv[0]);
|
||||
return 1;
|
||||
}
|
||||
printf("#define TELNETD_DEFAULT_PASSWD \"%s\"\n",crypt(argv[optind],salt));
|
||||
}
|
||||
@ -1,401 +0,0 @@
|
||||
/*
|
||||
* /dev/ptyXX (Support for pseudo-terminals)
|
||||
*
|
||||
* Original Author: Fernando RUIZ CASAS (fernando.ruiz@ctv.es)
|
||||
* May 2001
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* Till Straumann <strauman@slac.stanford.edu>
|
||||
*
|
||||
* - converted into a loadable module
|
||||
* - NAWS support / ioctls for querying/setting the window
|
||||
* size added.
|
||||
* - don't delete the running task when the connection
|
||||
* is closed. Rather let 'read()' return a 0 count so
|
||||
* they may cleanup. Some magic hack works around termios
|
||||
* limitation.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#define DEBUG_WH (1<<0)
|
||||
#define DEBUG_DETAIL (1<<1)
|
||||
|
||||
/* #define DEBUG DEBUG_WH */
|
||||
|
||||
/*-----------------------------------------*/
|
||||
#include <sys/ttycom.h>
|
||||
#include <rtems/pty.h>
|
||||
#include <rtems/seterr.h>
|
||||
#include <errno.h>
|
||||
#include <sys/socket.h>
|
||||
/*-----------------------------------------*/
|
||||
#include <inttypes.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <syslog.h>
|
||||
#include <unistd.h>
|
||||
/*-----------------------------------------*/
|
||||
#define IAC_ESC 255
|
||||
#define IAC_DONT 254
|
||||
#define IAC_DO 253
|
||||
#define IAC_WONT 252
|
||||
#define IAC_WILL 251
|
||||
#define IAC_SB 250
|
||||
#define IAC_GA 249
|
||||
#define IAC_EL 248
|
||||
#define IAC_EC 247
|
||||
#define IAC_AYT 246
|
||||
#define IAC_AO 245
|
||||
#define IAC_IP 244
|
||||
#define IAC_BRK 243
|
||||
#define IAC_DMARK 242
|
||||
#define IAC_NOP 241
|
||||
#define IAC_SE 240
|
||||
#define IAC_EOR 239
|
||||
|
||||
#define SB_MAX RTEMS_PTY_SB_MAX
|
||||
|
||||
static bool ptyPollInitialize(rtems_termios_tty *,
|
||||
rtems_termios_device_context *, struct termios *,
|
||||
rtems_libio_open_close_args_t *);
|
||||
static void ptyShutdown(rtems_termios_tty *,
|
||||
rtems_termios_device_context *, rtems_libio_open_close_args_t *);
|
||||
static void ptyPollWrite(rtems_termios_device_context *, const char *, size_t);
|
||||
static int ptyPollRead(rtems_termios_device_context *);
|
||||
static bool ptySetAttributes(rtems_termios_device_context *,
|
||||
const struct termios *);
|
||||
static int my_pty_control(rtems_termios_device_context *,
|
||||
ioctl_command_t, void *);
|
||||
|
||||
static const rtems_termios_device_handler pty_handler = {
|
||||
.first_open = ptyPollInitialize,
|
||||
.last_close = ptyShutdown,
|
||||
.poll_read = ptyPollRead,
|
||||
.write = ptyPollWrite,
|
||||
.set_attributes = ptySetAttributes,
|
||||
.ioctl = my_pty_control
|
||||
};
|
||||
|
||||
static
|
||||
int send_iac(rtems_pty_context *pty, unsigned char mode, unsigned char option)
|
||||
{
|
||||
unsigned char buf[3];
|
||||
|
||||
buf[0]=IAC_ESC;
|
||||
buf[1]=mode;
|
||||
buf[2]=option;
|
||||
return write(pty->socket, buf, sizeof(buf));
|
||||
}
|
||||
|
||||
const char *rtems_pty_initialize(rtems_pty_context *pty, uintptr_t unique)
|
||||
{
|
||||
rtems_status_code sc;
|
||||
|
||||
memset(pty, 0, sizeof(*pty));
|
||||
(void)snprintf(pty->name, sizeof(pty->name), "/dev/pty%" PRIuPTR, unique);
|
||||
rtems_termios_device_context_initialize(&pty->base, "pty");
|
||||
pty->socket = -1;
|
||||
sc = rtems_termios_device_install(pty->name, &pty_handler, NULL, &pty->base);
|
||||
if (sc != RTEMS_SUCCESSFUL) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return pty->name;
|
||||
}
|
||||
|
||||
void rtems_pty_close_socket(rtems_pty_context *pty)
|
||||
{
|
||||
if (pty->socket >= 0) {
|
||||
(void)close(pty->socket);
|
||||
pty->socket = -1;
|
||||
}
|
||||
}
|
||||
|
||||
void rtems_pty_set_socket(rtems_pty_context *pty, int socket)
|
||||
{
|
||||
struct timeval t;
|
||||
|
||||
rtems_pty_close_socket(pty);
|
||||
pty->socket = socket;
|
||||
|
||||
/* set a long polling interval to save CPU time */
|
||||
t.tv_sec=2;
|
||||
t.tv_usec=00000;
|
||||
(void)setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, &t, sizeof(t));
|
||||
|
||||
/* inform the client that we will echo */
|
||||
send_iac(pty, IAC_WILL, 1);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
/*
|
||||
* The NVT terminal is negociated in PollRead and PollWrite
|
||||
* with every BYTE sendded or received.
|
||||
* A litle status machine in the pty_read_byte(int minor)
|
||||
*
|
||||
*/
|
||||
static const char IAC_AYT_RSP[]="\r\nAYT? Yes, RTEMS-SHELL is here\r\n";
|
||||
static const char IAC_BRK_RSP[]="<*Break*>";
|
||||
static const char IAC_IP_RSP []="<*Interrupt*>";
|
||||
|
||||
static int
|
||||
handleSB(rtems_pty_context *pty)
|
||||
{
|
||||
switch (pty->sb_buf[0]) {
|
||||
case 31: /* NAWS */
|
||||
pty->width = (pty->sb_buf[1]<<8) + pty->sb_buf[2];
|
||||
pty->height = (pty->sb_buf[3]<<8) + pty->sb_buf[4];
|
||||
#if DEBUG & DEBUG_WH
|
||||
fprintf(stderr,
|
||||
"Setting width/height to %ix%i\n",
|
||||
pty->width,
|
||||
pty->height);
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ptyPollRead(rtems_termios_device_context *base)
|
||||
{ /* Characters written to the client side*/
|
||||
rtems_pty_context *pty = (rtems_pty_context *)base;
|
||||
unsigned char value;
|
||||
unsigned int omod;
|
||||
int count;
|
||||
int result;
|
||||
|
||||
count=read(pty->socket,&value,sizeof(value));
|
||||
if (count<0)
|
||||
return -1;
|
||||
|
||||
if (count<1) {
|
||||
/* Unfortunately, there is no way of passing an EOF
|
||||
* condition through the termios driver. Hence, we
|
||||
* resort to an ugly hack. Setting cindex>ccount
|
||||
* causes the termios driver to return a read count
|
||||
* of '0' which is what we want here. We leave
|
||||
* 'errno' untouched.
|
||||
*/
|
||||
pty->ttyp->cindex=pty->ttyp->ccount+1;
|
||||
return pty->ttyp->termios.c_cc[VEOF];
|
||||
};
|
||||
|
||||
omod=pty->iac_mode;
|
||||
pty->iac_mode=0;
|
||||
switch(omod & 0xff) {
|
||||
case IAC_ESC:
|
||||
switch(value) {
|
||||
case IAC_ESC :
|
||||
/* in case this is an ESC ESC sequence in SB mode */
|
||||
pty->iac_mode = omod>>8;
|
||||
return IAC_ESC;
|
||||
case IAC_DONT:
|
||||
case IAC_DO :
|
||||
case IAC_WONT:
|
||||
case IAC_WILL:
|
||||
pty->iac_mode=value;
|
||||
return -1;
|
||||
case IAC_SB :
|
||||
#if DEBUG & DEBUG_DETAIL
|
||||
printk("SB\n");
|
||||
#endif
|
||||
pty->iac_mode=value;
|
||||
pty->sb_ind=0;
|
||||
return -100;
|
||||
case IAC_GA :
|
||||
return -1;
|
||||
case IAC_EL :
|
||||
return 0x03; /* Ctrl-C*/
|
||||
case IAC_EC :
|
||||
return '\b';
|
||||
case IAC_AYT :
|
||||
write(pty->socket,IAC_AYT_RSP,strlen(IAC_AYT_RSP));
|
||||
return -1;
|
||||
case IAC_AO :
|
||||
return -1;
|
||||
case IAC_IP :
|
||||
write(pty->socket,IAC_IP_RSP,strlen(IAC_IP_RSP));
|
||||
return -1;
|
||||
case IAC_BRK :
|
||||
write(pty->socket,IAC_BRK_RSP,strlen(IAC_BRK_RSP));
|
||||
return -1;
|
||||
case IAC_DMARK:
|
||||
return -2;
|
||||
case IAC_NOP :
|
||||
return -1;
|
||||
case IAC_SE :
|
||||
#if DEBUG & DEBUG_DETAIL
|
||||
{
|
||||
int i;
|
||||
printk("SE");
|
||||
for (i=0; i<pty->sb_ind; i++)
|
||||
printk(" %02x",pty->sb_buf[i]);
|
||||
printk("\n");
|
||||
}
|
||||
#endif
|
||||
handleSB(pty);
|
||||
return -101;
|
||||
case IAC_EOR :
|
||||
return -102;
|
||||
default :
|
||||
return -1;
|
||||
};
|
||||
break;
|
||||
|
||||
case IAC_SB:
|
||||
pty->iac_mode=omod;
|
||||
if (IAC_ESC==value) {
|
||||
pty->iac_mode=(omod<<8)|value;
|
||||
} else {
|
||||
if (pty->sb_ind < SB_MAX)
|
||||
pty->sb_buf[pty->sb_ind++]=value;
|
||||
}
|
||||
return -1;
|
||||
|
||||
case IAC_WILL:
|
||||
if (value==34){
|
||||
send_iac(pty,IAC_DONT, 34); /*LINEMODE*/
|
||||
send_iac(pty,IAC_DO , 1); /*ECHO */
|
||||
} else if (value==31) {
|
||||
send_iac(pty,IAC_DO , 31); /*NAWS */
|
||||
#if DEBUG & DEBUG_DETAIL
|
||||
printk("replied DO NAWS\n");
|
||||
#endif
|
||||
} else {
|
||||
send_iac(pty,IAC_DONT,value);
|
||||
}
|
||||
return -1;
|
||||
case IAC_DONT:
|
||||
return -1;
|
||||
case IAC_DO :
|
||||
if (value==3) {
|
||||
send_iac(pty,IAC_WILL, 3); /* GO AHEAD*/
|
||||
} else if (value==1) {
|
||||
send_iac(pty,IAC_WILL, 1); /* ECHO */
|
||||
} else {
|
||||
send_iac(pty,IAC_WONT,value);
|
||||
};
|
||||
return -1;
|
||||
case IAC_WONT:
|
||||
if (value==1) {
|
||||
send_iac(pty,IAC_WILL, 1);
|
||||
} else { /* ECHO */
|
||||
send_iac(pty,IAC_WONT,value);
|
||||
}
|
||||
return -1;
|
||||
default:
|
||||
if (value==IAC_ESC) {
|
||||
pty->iac_mode=value;
|
||||
return -1;
|
||||
} else {
|
||||
result=value;
|
||||
if ( 0
|
||||
/* map CRLF to CR for symmetry */
|
||||
|| ((value=='\n') && pty->last_cr)
|
||||
/* map telnet CRNUL to CR down here */
|
||||
|| ((value==0) && pty->last_cr)
|
||||
) result=-1;
|
||||
pty->last_cr=(value=='\r');
|
||||
return result;
|
||||
};
|
||||
};
|
||||
/* should never get here but keep compiler happy */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
/* Set the 'Hardware' */
|
||||
/*-----------------------------------------------------------*/
|
||||
static bool
|
||||
ptySetAttributes(rtems_termios_device_context *base, const struct termios *t)
|
||||
{
|
||||
rtems_pty_context *pty = (rtems_pty_context *)base;
|
||||
pty->c_cflag = t->c_cflag;
|
||||
return true;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
static bool
|
||||
ptyPollInitialize(rtems_termios_tty *ttyp,
|
||||
rtems_termios_device_context *base, struct termios *t,
|
||||
rtems_libio_open_close_args_t *args)
|
||||
{
|
||||
rtems_pty_context *pty = (rtems_pty_context *)base;
|
||||
pty->ttyp = ttyp;
|
||||
pty->iac_mode = 0;
|
||||
pty->sb_ind = 0;
|
||||
pty->width = 0;
|
||||
pty->height = 0;
|
||||
return ptySetAttributes(&pty->base, t);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
static void
|
||||
ptyShutdown(rtems_termios_tty *ttyp,
|
||||
rtems_termios_device_context *base, rtems_libio_open_close_args_t *arg)
|
||||
{
|
||||
rtems_pty_context *pty = (rtems_pty_context *)base;
|
||||
close(pty->socket);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
/* Write Characters into pty device */
|
||||
/*-----------------------------------------------------------*/
|
||||
static void
|
||||
ptyPollWrite(rtems_termios_device_context *base, const char *buf, size_t len)
|
||||
{
|
||||
rtems_pty_context *pty = (rtems_pty_context *)base;
|
||||
|
||||
while (len > 0) {
|
||||
ssize_t n = write(pty->socket, buf, len);
|
||||
if (n <= 0) {
|
||||
break;
|
||||
}
|
||||
|
||||
buf += (size_t)n;
|
||||
len -= (size_t)n;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
my_pty_control(rtems_termios_device_context *base,
|
||||
ioctl_command_t request, void *buffer)
|
||||
{
|
||||
rtems_pty_context *p = (rtems_pty_context *)base;
|
||||
struct winsize *wp = buffer;
|
||||
|
||||
switch (request) {
|
||||
case TIOCGWINSZ:
|
||||
wp->ws_row = p->height;
|
||||
wp->ws_col = p->width;
|
||||
#if DEBUG & DEBUG_WH
|
||||
fprintf(stderr,
|
||||
"ioctl(TIOCGWINSZ), returning %ix%i\n",
|
||||
wp->ws_col,
|
||||
wp->ws_row);
|
||||
#endif
|
||||
break;
|
||||
case TIOCSWINSZ:
|
||||
#if DEBUG & DEBUG_WH
|
||||
fprintf(stderr,
|
||||
"ioctl(TIOCGWINSZ), setting %ix%i\n",
|
||||
wp->ws_col,
|
||||
wp->ws_row);
|
||||
#endif
|
||||
|
||||
p->height = wp->ws_row;
|
||||
p->width = wp->ws_col;
|
||||
break;
|
||||
default:
|
||||
rtems_set_errno_and_return_minus_one(EINVAL);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1,18 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2018 embedded brains GmbH. All rights reserved.
|
||||
*
|
||||
* 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 <rtems/telnetd.h>
|
||||
|
||||
rtems_status_code rtems_telnetd_initialize( void )
|
||||
{
|
||||
return rtems_telnetd_start( &rtems_telnetd_config );
|
||||
}
|
||||
@ -1,449 +0,0 @@
|
||||
/***********************************************************/
|
||||
/*
|
||||
*
|
||||
* The telnet DAEMON
|
||||
*
|
||||
* Author: 17,may 2001
|
||||
*
|
||||
* WORK: fernando.ruiz@ctv.es
|
||||
* HOME: correo@fernando-ruiz.com
|
||||
*
|
||||
* After start the net you can start this daemon.
|
||||
* It uses the previously inited pseudo-terminales (pty.c)
|
||||
* getting a new terminal with getpty(). This function
|
||||
* gives a terminal name passing a opened socket like parameter.
|
||||
*
|
||||
* With register_telnetd() you add a new command in the shell to start
|
||||
* this daemon interactively. (Login in /dev/console of course)
|
||||
*
|
||||
* Sorry but OOB is not still implemented. (This is the first version)
|
||||
*
|
||||
* Till Straumann <strauman@slac.stanford.edu>
|
||||
* - made the 'shell' interface more generic, i.e. it is now
|
||||
* possible to have 'telnetd' run an arbitrary 'shell'
|
||||
* program.
|
||||
*
|
||||
* Copyright (c) 2009, 2018 embedded brains GmbH and others.
|
||||
*
|
||||
* embedded brains GmbH
|
||||
* Dornierstr. 4
|
||||
* 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 <sys/queue.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <inttypes.h>
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <syslog.h>
|
||||
|
||||
#include <rtems.h>
|
||||
#include <rtems/pty.h>
|
||||
#include <rtems/shell.h>
|
||||
#include <rtems/telnetd.h>
|
||||
#include <rtems/thread.h>
|
||||
#include <rtems/userenv.h>
|
||||
|
||||
#define TELNETD_EVENT_SUCCESS RTEMS_EVENT_0
|
||||
|
||||
#define TELNETD_EVENT_ERROR RTEMS_EVENT_1
|
||||
|
||||
typedef struct telnetd_context telnetd_context;
|
||||
|
||||
typedef struct telnetd_session {
|
||||
rtems_pty_context pty;
|
||||
char peername[16];
|
||||
telnetd_context *ctx;
|
||||
rtems_id task_id;
|
||||
LIST_ENTRY(telnetd_session) link;
|
||||
} telnetd_session;
|
||||
|
||||
struct telnetd_context {
|
||||
rtems_telnetd_config_table config;
|
||||
int server_socket;
|
||||
rtems_id task_id;
|
||||
rtems_mutex mtx;
|
||||
LIST_HEAD(, telnetd_session) free_sessions;
|
||||
telnetd_session sessions[RTEMS_ZERO_LENGTH_ARRAY];
|
||||
};
|
||||
|
||||
typedef union {
|
||||
struct sockaddr_in sin;
|
||||
struct sockaddr sa;
|
||||
} telnetd_address;
|
||||
|
||||
RTEMS_NO_RETURN static void telnetd_session_fatal_error(
|
||||
const telnetd_context *ctx
|
||||
)
|
||||
{
|
||||
(void)rtems_event_send(ctx->task_id, TELNETD_EVENT_ERROR);
|
||||
rtems_task_exit();
|
||||
}
|
||||
|
||||
static bool telnetd_login(telnetd_context *ctx, telnetd_session *session)
|
||||
{
|
||||
bool success;
|
||||
|
||||
if (ctx->config.login_check == NULL) {
|
||||
return true;
|
||||
}
|
||||
|
||||
success = rtems_shell_login_prompt(
|
||||
stdin,
|
||||
stderr,
|
||||
session->pty.name,
|
||||
ctx->config.login_check
|
||||
);
|
||||
|
||||
if (!success) {
|
||||
syslog(
|
||||
LOG_AUTHPRIV | LOG_WARNING,
|
||||
"telnetd: too many wrong passwords entered from %s",
|
||||
session->peername
|
||||
);
|
||||
}
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
static void telnetd_session_task(rtems_task_argument arg)
|
||||
{
|
||||
rtems_status_code sc;
|
||||
telnetd_session *session;
|
||||
telnetd_context *ctx;
|
||||
const char *path;
|
||||
|
||||
session = (telnetd_session *) arg;
|
||||
ctx = session->ctx;
|
||||
|
||||
sc = rtems_libio_set_private_env();
|
||||
if (sc != RTEMS_SUCCESSFUL) {
|
||||
telnetd_session_fatal_error(ctx);
|
||||
}
|
||||
|
||||
path = rtems_pty_get_path(&session->pty);
|
||||
|
||||
stdin = fopen(path, "r+");
|
||||
if (stdin == NULL) {
|
||||
telnetd_session_fatal_error(ctx);
|
||||
}
|
||||
|
||||
stdout = fopen(path, "r+");
|
||||
if (stdout == NULL) {
|
||||
telnetd_session_fatal_error(ctx);
|
||||
}
|
||||
|
||||
stderr = fopen(path, "r+");
|
||||
if (stderr == NULL) {
|
||||
telnetd_session_fatal_error(ctx);
|
||||
}
|
||||
|
||||
(void)rtems_event_send(ctx->task_id, TELNETD_EVENT_SUCCESS);
|
||||
|
||||
while (true) {
|
||||
rtems_event_set events;
|
||||
|
||||
(void)rtems_event_system_receive(
|
||||
RTEMS_EVENT_SYSTEM_SERVER,
|
||||
RTEMS_WAIT | RTEMS_EVENT_ALL,
|
||||
RTEMS_NO_TIMEOUT,
|
||||
&events
|
||||
);
|
||||
|
||||
syslog(
|
||||
LOG_DAEMON | LOG_INFO,
|
||||
"telnetd: accepted connection from %s on %s",
|
||||
session->peername,
|
||||
path
|
||||
);
|
||||
|
||||
if (telnetd_login(ctx, session)) {
|
||||
(*ctx->config.command)(session->pty.name, ctx->config.arg);
|
||||
}
|
||||
|
||||
syslog(
|
||||
LOG_DAEMON | LOG_INFO,
|
||||
"telnetd: releasing connection from %s on %s",
|
||||
session->peername,
|
||||
path
|
||||
);
|
||||
|
||||
rtems_pty_close_socket(&session->pty);
|
||||
|
||||
rtems_mutex_lock(&ctx->mtx);
|
||||
LIST_INSERT_HEAD(&ctx->free_sessions, session, link);
|
||||
rtems_mutex_unlock(&ctx->mtx);
|
||||
}
|
||||
}
|
||||
|
||||
static void telnetd_sleep_after_error(void)
|
||||
{
|
||||
/* If something went wrong, sleep for some time */
|
||||
rtems_task_wake_after(10 * rtems_clock_get_ticks_per_second());
|
||||
}
|
||||
|
||||
static void telnetd_server_task(rtems_task_argument arg)
|
||||
{
|
||||
telnetd_context *ctx;
|
||||
|
||||
ctx = (telnetd_context *) arg;
|
||||
|
||||
while (true) {
|
||||
telnetd_address peer;
|
||||
socklen_t address_len;
|
||||
int session_socket;
|
||||
telnetd_session *session;
|
||||
|
||||
address_len = sizeof(peer.sin);
|
||||
session_socket = accept(ctx->server_socket, &peer.sa, &address_len);
|
||||
if (session_socket < 0) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot accept session");
|
||||
telnetd_sleep_after_error();
|
||||
continue;
|
||||
};
|
||||
|
||||
rtems_mutex_lock(&ctx->mtx);
|
||||
session = LIST_FIRST(&ctx->free_sessions);
|
||||
|
||||
if (session == NULL) {
|
||||
rtems_mutex_unlock(&ctx->mtx);
|
||||
|
||||
(void)close(session_socket);
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: no free session available");
|
||||
telnetd_sleep_after_error();
|
||||
continue;
|
||||
}
|
||||
|
||||
LIST_REMOVE(session, link);
|
||||
rtems_mutex_unlock(&ctx->mtx);
|
||||
|
||||
rtems_pty_set_socket(&session->pty, session_socket);
|
||||
|
||||
if (
|
||||
inet_ntop(
|
||||
AF_INET,
|
||||
&peer.sin.sin_addr,
|
||||
session->peername,
|
||||
sizeof(session->peername)
|
||||
) == NULL
|
||||
) {
|
||||
strlcpy(session->peername, "<UNKNOWN>", sizeof(session->peername));
|
||||
}
|
||||
|
||||
(void)rtems_event_system_send(session->task_id, RTEMS_EVENT_SYSTEM_SERVER);
|
||||
}
|
||||
}
|
||||
|
||||
static void telnetd_destroy_context(telnetd_context *ctx)
|
||||
{
|
||||
telnetd_session *session;
|
||||
|
||||
LIST_FOREACH(session, &ctx->free_sessions, link) {
|
||||
if (session->task_id != 0) {
|
||||
(void)rtems_task_delete(session->task_id);
|
||||
}
|
||||
|
||||
(void)unlink(rtems_pty_get_path(&session->pty));
|
||||
}
|
||||
|
||||
if (ctx->server_socket >= 0) {
|
||||
(void)close(ctx->server_socket);
|
||||
}
|
||||
|
||||
rtems_mutex_destroy(&ctx->mtx);
|
||||
free(ctx);
|
||||
}
|
||||
|
||||
static rtems_status_code telnetd_create_server_socket(telnetd_context *ctx)
|
||||
{
|
||||
telnetd_address srv;
|
||||
socklen_t address_len;
|
||||
int enable;
|
||||
|
||||
ctx->server_socket = socket(PF_INET, SOCK_STREAM, 0);
|
||||
if (ctx->server_socket < 0) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot create server socket");
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
enable = 1;
|
||||
(void)setsockopt(
|
||||
ctx->server_socket,
|
||||
SOL_SOCKET,
|
||||
SO_KEEPALIVE,
|
||||
&enable,
|
||||
sizeof(enable)
|
||||
);
|
||||
|
||||
memset(&srv, 0, sizeof(srv));
|
||||
srv.sin.sin_family = AF_INET;
|
||||
srv.sin.sin_port = htons(ctx->config.port);
|
||||
address_len = sizeof(srv.sin);
|
||||
|
||||
if (bind(ctx->server_socket, &srv.sa, address_len) != 0) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot bind server socket");
|
||||
return RTEMS_RESOURCE_IN_USE;
|
||||
};
|
||||
|
||||
if (listen(ctx->server_socket, ctx->config.client_maximum) != 0) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot listen on server socket");
|
||||
return RTEMS_UNSATISFIED;
|
||||
};
|
||||
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
static rtems_status_code telnetd_create_session_tasks(telnetd_context *ctx)
|
||||
{
|
||||
uint16_t i;
|
||||
|
||||
ctx->task_id = rtems_task_self();
|
||||
|
||||
for (i = 0; i < ctx->config.client_maximum; ++i) {
|
||||
telnetd_session *session;
|
||||
rtems_status_code sc;
|
||||
const char *path;
|
||||
rtems_event_set events;
|
||||
|
||||
session = &ctx->sessions[i];
|
||||
session->ctx = ctx;
|
||||
rtems_mutex_init(&ctx->mtx, "Telnet");
|
||||
LIST_INSERT_HEAD(&ctx->free_sessions, session, link);
|
||||
|
||||
sc = rtems_task_create(
|
||||
rtems_build_name('T', 'N', 'T', 'a' + i % 26),
|
||||
ctx->config.priority,
|
||||
ctx->config.stack_size,
|
||||
RTEMS_DEFAULT_MODES,
|
||||
RTEMS_FLOATING_POINT,
|
||||
&session->task_id
|
||||
);
|
||||
if (sc != RTEMS_SUCCESSFUL) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot create session task");
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
path = rtems_pty_initialize(&session->pty, i);
|
||||
if (path == NULL) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot create session PTY");
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
(void)rtems_task_start(
|
||||
session->task_id,
|
||||
telnetd_session_task,
|
||||
(rtems_task_argument) session
|
||||
);
|
||||
|
||||
(void)rtems_event_receive(
|
||||
TELNETD_EVENT_SUCCESS | TELNETD_EVENT_ERROR,
|
||||
RTEMS_WAIT | RTEMS_EVENT_ANY,
|
||||
RTEMS_NO_TIMEOUT,
|
||||
&events
|
||||
);
|
||||
|
||||
if ((events & TELNETD_EVENT_ERROR) != 0) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot initialize session task");
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
}
|
||||
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
rtems_status_code rtems_telnetd_start(const rtems_telnetd_config_table* config)
|
||||
{
|
||||
telnetd_context *ctx;
|
||||
rtems_status_code sc;
|
||||
uint16_t client_maximum;
|
||||
|
||||
if (config->command == NULL) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: configuration with invalid command");
|
||||
return RTEMS_INVALID_ADDRESS;
|
||||
}
|
||||
|
||||
if (config->client_maximum == 0) {
|
||||
client_maximum = 5;
|
||||
} else {
|
||||
client_maximum = config->client_maximum;
|
||||
}
|
||||
|
||||
ctx = calloc(
|
||||
1,
|
||||
sizeof(*ctx) + client_maximum * sizeof(ctx->sessions[0])
|
||||
);
|
||||
if (ctx == NULL) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot allocate server context");
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
ctx->config = *config;
|
||||
ctx->config.client_maximum = client_maximum;
|
||||
ctx->server_socket = -1;
|
||||
LIST_INIT(&ctx->free_sessions);
|
||||
|
||||
if (ctx->config.priority == 0) {
|
||||
ctx->config.priority = 100;
|
||||
}
|
||||
|
||||
/* Check stack size */
|
||||
if (ctx->config.stack_size == 0) {
|
||||
ctx->config.stack_size = (size_t)32 * 1024;
|
||||
}
|
||||
|
||||
if (ctx->config.port == 0) {
|
||||
ctx->config.port = 23;
|
||||
}
|
||||
|
||||
sc = telnetd_create_server_socket(ctx);
|
||||
if (sc != RTEMS_SUCCESSFUL) {
|
||||
telnetd_destroy_context(ctx);
|
||||
return sc;
|
||||
}
|
||||
|
||||
sc = telnetd_create_session_tasks(ctx);
|
||||
if (sc != RTEMS_SUCCESSFUL) {
|
||||
telnetd_destroy_context(ctx);
|
||||
return sc;
|
||||
}
|
||||
|
||||
sc = rtems_task_create(
|
||||
rtems_build_name('T', 'N', 'T', 'D'),
|
||||
ctx->config.priority,
|
||||
RTEMS_MINIMUM_STACK_SIZE,
|
||||
RTEMS_DEFAULT_MODES,
|
||||
RTEMS_FLOATING_POINT,
|
||||
&ctx->task_id
|
||||
);
|
||||
if (sc != RTEMS_SUCCESSFUL) {
|
||||
syslog(LOG_DAEMON | LOG_ERR, "telnetd: cannot create server task");
|
||||
telnetd_destroy_context(ctx);
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
(void)rtems_task_start(
|
||||
ctx->task_id,
|
||||
telnetd_server_task,
|
||||
(rtems_task_argument) ctx
|
||||
);
|
||||
|
||||
syslog(
|
||||
LOG_DAEMON | LOG_INFO,
|
||||
"telnetd: started successfully on port %" PRIu16, ctx->config.port
|
||||
);
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user