CHAP (Challenge Handshake Authentication Protocol) More...

#include "core/net.h"
#include "ppp/ppp_debug.h"
#include "ppp/lcp.h"
#include "ppp/ipcp.h"
#include "ppp/ipv6cp.h"
#include "ppp/chap.h"
#include "debug.h"
#include "core/crypto.h"
#include "hash/md5.h"

Macros
#define TRACE_LEVEL PPP_TRACE_LEVEL

Functions
error_t chapStartAuth (PppContext *context)
Start CHAP authentication. More...

error_t chapAbortAuth (PppContext *context)
Abort CHAP authentication. More...

void chapTick (PppContext *context)
CHAP timer handler. More...

void chapProcessPacket (PppContext context, const PppPacket packet, size_t length)
Process an incoming CHAP packet. More...

error_t chapProcessChallenge (PppContext context, const ChapChallengePacket challengePacket, size_t length)
Process Challenge packet. More...

error_t chapProcessResponse (PppContext context, const ChapResponsePacket responsePacket, size_t length)
Process Response packet. More...

error_t chapProcessSuccess (PppContext context, const ChapSuccessPacket successPacket, size_t length)
Process Success packet. More...

error_t chapProcessFailure (PppContext context, const ChapFailurePacket failurePacket, size_t length)
Process Failure packet. More...

error_t chapSendChallenge (PppContext *context)
Send Challenge packet. More...

error_t chapSendResponse (PppContext context, const uint8_t value)
Send Response packet. More...

error_t chapSendSuccess (PppContext *context)
Send Success packet. More...

error_t chapSendFailure (PppContext *context)
Send Failure packet. More...

bool_t chapCheckPassword (PppContext context, const char_t password)
Password verification. More...

Detailed Description

CHAP (Challenge Handshake Authentication Protocol)

License

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

This file is part of CycloneTCP 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: 2.5.0

Definition in file chap.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL PPP_TRACE_LEVEL

Definition at line 32 of file chap.c.

Function Documentation

◆ chapAbortAuth()

error_t chapAbortAuth ( PppContext * context )

Abort CHAP authentication.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 91 of file chap.c.

◆ chapCheckPassword()

bool_t chapCheckPassword	(	PppContext *	context,
		const char_t *	password
	)

Password verification.

Parameters

[in]	context	PPP context
[in]	password	NULL-terminated string containing the password to be checked

Returns: TRUE if the password is valid, else FALSE

Definition at line 717 of file chap.c.

◆ chapProcessChallenge()

error_t chapProcessChallenge	(	PppContext *	context,
		const ChapChallengePacket *	challengePacket,
		size_t	length
	)

Process Challenge packet.

Parameters

[in]	context	PPP context
[in]	challengePacket	Packet received from the peer
[in]	length	Length of the packet, in bytes

Returns: Error code

Definition at line 218 of file chap.c.

◆ chapProcessFailure()

error_t chapProcessFailure	(	PppContext *	context,
		const ChapFailurePacket *	failurePacket,
		size_t	length
	)

Process Failure packet.

Parameters

[in]	context	PPP context
[in]	failurePacket	Packet received from the peer
[in]	length	Length of the packet, in bytes

Returns: Error code

Definition at line 446 of file chap.c.

◆ chapProcessPacket()

void chapProcessPacket	(	PppContext *	context,
		const PppPacket *	packet,
		size_t	length
	)

Process an incoming CHAP packet.

Parameters

[in]	context	PPP context
[in]	packet	CHAP packet received from the peer
[in]	length	Length of the packet, in bytes

Definition at line 149 of file chap.c.

◆ chapProcessResponse()

error_t chapProcessResponse	(	PppContext *	context,
		const ChapResponsePacket *	responsePacket,
		size_t	length
	)

Process Response packet.

Parameters

[in]	context	PPP context
[in]	responsePacket	Packet received from the peer
[in]	length	Length of the packet, in bytes

Returns: Error code

Definition at line 274 of file chap.c.

◆ chapProcessSuccess()

error_t chapProcessSuccess	(	PppContext *	context,
		const ChapSuccessPacket *	successPacket,
		size_t	length
	)

Process Success packet.

Parameters

[in]	context	PPP context
[in]	successPacket	Packet received from the peer
[in]	length	Length of the packet, in bytes

Returns: Error code

Definition at line 389 of file chap.c.

◆ chapSendChallenge()

error_t chapSendChallenge ( PppContext * context )

Send Challenge packet.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 481 of file chap.c.

◆ chapSendFailure()

error_t chapSendFailure ( PppContext * context )

Send Failure packet.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 669 of file chap.c.

◆ chapSendResponse()

error_t chapSendResponse	(	PppContext *	context,
		const uint8_t *	value
	)

Send Response packet.

Parameters

[in]	context	PPP context
[in]	value	Response value

Returns: Error code

Definition at line 564 of file chap.c.

◆ chapSendSuccess()

error_t chapSendSuccess ( PppContext * context )

Send Success packet.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 622 of file chap.c.

◆ chapStartAuth()

error_t chapStartAuth ( PppContext * context )

Start CHAP authentication.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 57 of file chap.c.

◆ chapTick()

void chapTick ( PppContext * context )

CHAP timer handler.

Parameters

[in] context PPP context

Definition at line 110 of file chap.c.

Macros

Functions

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ chapAbortAuth()

◆ chapCheckPassword()

◆ chapProcessChallenge()

◆ chapProcessFailure()

◆ chapProcessPacket()

◆ chapProcessResponse()

◆ chapProcessSuccess()

◆ chapSendChallenge()

◆ chapSendFailure()

◆ chapSendResponse()

◆ chapSendSuccess()

◆ chapStartAuth()

◆ chapTick()