SSH secure shell client. More...

#include "ssh/ssh.h"

Data Structures
struct	_ShellClientContext
	Shell client context. More...

Macros
#define	SHELL_CLIENT_SUPPORT DISABLED

#define	SHELL_CLIENT_DEFAULT_TIMEOUT 20000

#define	SHELL_CLIENT_BUFFER_SIZE 512

#define	ShellClientContext struct _ShellClientContext

Typedefs
typedef error_t(*	ShellClientSshInitCallback) (ShellClientContext context, SshContext sshContext)
	SSH initialization callback function. More...

Enumerations
enum	ShellClientState { SHELL_CLIENT_STATE_DISCONNECTED = 0, SHELL_CLIENT_STATE_CONNECTING_1 = 1, SHELL_CLIENT_STATE_CONNECTING_2 = 2, SHELL_CLIENT_STATE_CONNECTED = 3, SHELL_CLIENT_STATE_CHANNEL_INIT = 4, SHELL_CLIENT_STATE_CHANNEL_OPEN = 5, SHELL_CLIENT_STATE_CHANNEL_REQUEST = 6, SHELL_CLIENT_STATE_CHANNEL_REPLY = 7, SHELL_CLIENT_STATE_CHANNEL_DATA = 8, SHELL_CLIENT_STATE_CHANNEL_CLOSE = 9, SHELL_CLIENT_STATE_DISCONNECTING_1 = 10, SHELL_CLIENT_STATE_DISCONNECTING_2 = 11 }
	Shell client state. More...

Functions
error_t	shellClientInit (ShellClientContext *context)
	Initialize shell client context. More...

error_t	shellClientRegisterSshInitCallback (ShellClientContext *context, ShellClientSshInitCallback callback)
	Register SSH initialization callback function. More...

error_t	shellClientSetTimeout (ShellClientContext *context, systime_t timeout)
	Set communication timeout. More...

error_t	shellClientBindToInterface (ShellClientContext context, NetInterface interface)
	Bind the shell client to a particular network interface. More...

error_t	shellClientConnect (ShellClientContext context, const IpAddr serverIpAddr, uint16_t serverPort)
	Establish a connection with the specified SSH server. More...

error_t	shellClientFormatCommand (ShellClientContext context, const char_t command,...)
	Format a command line. More...

error_t	shellClientExecuteCommand (ShellClientContext context, const char_t command)
	Execute a command line. More...

error_t	shellClientWriteStream (ShellClientContext context, const void data, size_t length, size_t *written, uint_t flags)
	Write to stdin stream. More...

error_t	shellClientFlushStream (ShellClientContext *context)
	Flush stdin stream. More...

error_t	shellClientReadStream (ShellClientContext context, void data, size_t size, size_t *received, uint_t flags)
	Read from stdout stream. More...

error_t	shellClientCloseStream (ShellClientContext *context)
	Close stream. More...

uint32_t	shellClientGetExitStatus (ShellClientContext *context)
	Retrieve exit status. More...

error_t	shellClientDisconnect (ShellClientContext *context)
	Gracefully disconnect from the SSH server. More...

error_t	shellClientClose (ShellClientContext *context)
	Close the connection with the SSH server. More...

void	shellClientDeinit (ShellClientContext *context)
	Release shell client context. More...

Detailed Description

SSH secure shell client.

License

SPDX-License-Identifier: GPL-2.0-or-later

This file is part of CycloneSSH Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

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. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author: Oryx Embedded SARL (www.oryx-embedded.com)

Version: 2.4.4

Definition in file shell_client.h.

Macro Definition Documentation

◆ SHELL_CLIENT_BUFFER_SIZE

#define SHELL_CLIENT_BUFFER_SIZE 512

Definition at line 53 of file shell_client.h.

◆ SHELL_CLIENT_DEFAULT_TIMEOUT

#define SHELL_CLIENT_DEFAULT_TIMEOUT 20000

Definition at line 46 of file shell_client.h.

◆ SHELL_CLIENT_SUPPORT

#define SHELL_CLIENT_SUPPORT DISABLED

Definition at line 39 of file shell_client.h.

◆ ShellClientContext

#define ShellClientContext struct _ShellClientContext

Definition at line 60 of file shell_client.h.

Typedef Documentation

◆ ShellClientSshInitCallback

typedef error_t(* ShellClientSshInitCallback) (ShellClientContext *context, SshContext *sshContext)

SSH initialization callback function.

Definition at line 93 of file shell_client.h.

Enumeration Type Documentation

◆ ShellClientState

enum ShellClientState

Shell client state.

Enumerator
SHELL_CLIENT_STATE_DISCONNECTED
SHELL_CLIENT_STATE_CONNECTING_1
SHELL_CLIENT_STATE_CONNECTING_2
SHELL_CLIENT_STATE_CONNECTED
SHELL_CLIENT_STATE_CHANNEL_INIT
SHELL_CLIENT_STATE_CHANNEL_OPEN
SHELL_CLIENT_STATE_CHANNEL_REQUEST
SHELL_CLIENT_STATE_CHANNEL_REPLY
SHELL_CLIENT_STATE_CHANNEL_DATA
SHELL_CLIENT_STATE_CHANNEL_CLOSE
SHELL_CLIENT_STATE_DISCONNECTING_1
SHELL_CLIENT_STATE_DISCONNECTING_2

Definition at line 72 of file shell_client.h.

Function Documentation

◆ shellClientBindToInterface()

error_t shellClientBindToInterface	(	ShellClientContext *	context,
		NetInterface *	interface
	)

Bind the shell client to a particular network interface.

Parameters

[in]	context	Pointer to the shell client context
[in]	interface	Network interface to be used

Returns: Error code

Definition at line 123 of file shell_client.c.

◆ shellClientClose()

error_t shellClientClose ( ShellClientContext * context )

Close the connection with the SSH server.

Parameters

[in] context Pointer to the shell client context

Returns: Error code

Definition at line 964 of file shell_client.c.

◆ shellClientCloseStream()

error_t shellClientCloseStream ( ShellClientContext * context )

Close stream.

Parameters

[in] context Pointer to the shell client context

Returns: Error code

Definition at line 737 of file shell_client.c.

◆ shellClientConnect()

error_t shellClientConnect	(	ShellClientContext *	context,
		const IpAddr *	serverIpAddr,
		uint16_t	serverPort
	)

Establish a connection with the specified SSH server.

Parameters

[in]	context	Pointer to the shell client context
[in]	serverIpAddr	IP address of the SSH server to connect to
[in]	serverPort	Port number

Returns: Error code

Definition at line 146 of file shell_client.c.

◆ shellClientDeinit()

void shellClientDeinit ( ShellClientContext * context )

Release shell client context.

Parameters

[in] context Pointer to the shell client context

Definition at line 985 of file shell_client.c.

◆ shellClientDisconnect()

error_t shellClientDisconnect ( ShellClientContext * context )

Gracefully disconnect from the SSH server.

Parameters

[in] context Pointer to the shell client context

Returns: Error code

Definition at line 865 of file shell_client.c.

◆ shellClientExecuteCommand()

error_t shellClientExecuteCommand	(	ShellClientContext *	context,
		const char_t *	command
	)

Execute a command line.

Parameters

[in]	context	Pointer to the shell client context
[in]	command	NULL-terminating string containing the command line

Returns: Error code

Definition at line 317 of file shell_client.c.

◆ shellClientFlushStream()

error_t shellClientFlushStream ( ShellClientContext * context )

Flush stdin stream.

Parameters

[in] context Pointer to the shell client context

Returns: Error code

Definition at line 612 of file shell_client.c.

◆ shellClientFormatCommand()

error_t shellClientFormatCommand	(	ShellClientContext *	context,
		const char_t *	command,
			...
	)

Format a command line.

Parameters

[in]	context	Pointer to the shell client context
[in]	command	NULL-terminating string containing the command line
[in]	...	Optional arguments

Returns: Error code

Definition at line 238 of file shell_client.c.

◆ shellClientGetExitStatus()

uint32_t shellClientGetExitStatus ( ShellClientContext * context )

Retrieve exit status.

Parameters

[in] context Pointer to the shell client context

Returns: Exit status

Definition at line 838 of file shell_client.c.

◆ shellClientInit()

error_t shellClientInit ( ShellClientContext * context )

Initialize shell client context.

Parameters

[in] context Pointer to the shell client context

Returns: Error code

Definition at line 54 of file shell_client.c.

◆ shellClientReadStream()

error_t shellClientReadStream	(	ShellClientContext *	context,
		void *	data,
		size_t	size,
		size_t *	received,
		uint_t	flags
	)

Read from stdout stream.

Parameters

[in]	context	Pointer to the shell client context
[out]	data	Buffer where to store the incoming data
[in]	size	Maximum number of bytes that can be read
[out]	received	Actual number of bytes that have been read
[in]	flags	Set of flags that influences the behavior of this function

Returns: Error code

Definition at line 650 of file shell_client.c.

◆ shellClientRegisterSshInitCallback()

error_t shellClientRegisterSshInitCallback	(	ShellClientContext *	context,
		ShellClientSshInitCallback	callback
	)

Register SSH initialization callback function.

Parameters

[in]	context	Pointer to the shell client context
[in]	callback	SSH initialization callback function

Returns: Error code

Definition at line 80 of file shell_client.c.

◆ shellClientSetTimeout()

error_t shellClientSetTimeout	(	ShellClientContext *	context,
		systime_t	timeout
	)

Set communication timeout.

Parameters

[in]	context	Pointer to the shell client context
[in]	timeout	Timeout value, in milliseconds

Returns: Error code

Definition at line 102 of file shell_client.c.

◆ shellClientWriteStream()

error_t shellClientWriteStream	(	ShellClientContext *	context,
		const void *	data,
		size_t	length,
		size_t *	written,
		uint_t	flags
	)

Write to stdin stream.

Parameters

[in]	context	Pointer to the shell client context
[in]	data	Pointer to a buffer containing the data to be written
[in]	length	Number of data bytes to write
[in]	written	Number of bytes that have been written (optional parameter)
[in]	flags	Set of flags that influences the behavior of this function

Returns: Error code

Definition at line 520 of file shell_client.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Detailed Description

License

Macro Definition Documentation

◆ SHELL_CLIENT_BUFFER_SIZE

◆ SHELL_CLIENT_DEFAULT_TIMEOUT

◆ SHELL_CLIENT_SUPPORT

◆ ShellClientContext

Typedef Documentation

◆ ShellClientSshInitCallback

Enumeration Type Documentation

◆ ShellClientState

Function Documentation

◆ shellClientBindToInterface()

◆ shellClientClose()

◆ shellClientCloseStream()

◆ shellClientConnect()

◆ shellClientDeinit()

◆ shellClientDisconnect()

◆ shellClientExecuteCommand()

◆ shellClientFlushStream()

◆ shellClientFormatCommand()

◆ shellClientGetExitStatus()

◆ shellClientInit()

◆ shellClientReadStream()

◆ shellClientRegisterSshInitCallback()

◆ shellClientSetTimeout()

◆ shellClientWriteStream()