pap.c File Reference

PAP (Password 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/pap.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   PPP_TRACE_LEVEL

Functions
error_t	papStartAuth (PppContext *context)
	Start PAP authentication. More...
error_t	papAbortAuth (PppContext *context)
	Abort PAP authentication. More...
void	papTick (PppContext *context)
	PAP timer handler. More...
void	papProcessPacket (PppContext *context, const PppPacket *packet, size_t length)
	Process an incoming PAP packet. More...
error_t	papProcessAuthReq (PppContext *context, const PapAuthReqPacket *authReqPacket, size_t length)
	Process Authenticate-Request packet. More...
error_t	papProcessAuthAck (PppContext *context, const PapAuthAckPacket *authAckPacket, size_t length)
	Process Authenticate-Ack packet. More...
error_t	papProcessAuthNak (PppContext *context, const PapAuthNakPacket *authNakPacket, size_t length)
	Process Authenticate-Nak packet. More...
error_t	papSendAuthReq (PppContext *context)
	Send Authenticate-Request packet. More...
error_t	papSendAuthAck (PppContext *context, uint8_t identifier)
	Send Authenticate-Ack packet. More...
error_t	papSendAuthNak (PppContext *context, uint8_t identifier)
	Send Authenticate-Nak packet. More...
bool_t	papCheckPassword (PppContext *context, const char_t *password)
	Password verification. More...

Detailed Description

PAP (Password Authentication Protocol)

License

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

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

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

2.5.4

Definition in file pap.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   PPP_TRACE_LEVEL

Definition at line 32 of file pap.c.

Function Documentation

papAbortAuth()

error_t papAbortAuth

(

PppContext *

context

)

Abort PAP authentication.

Parameters

[in]

context

PPP context

Returns

Error code

Definition at line 87 of file pap.c.

papCheckPassword()

bool_t papCheckPassword	(	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 605 of file pap.c.

papProcessAuthAck()

error_t papProcessAuthAck	(	PppContext *	context,
		const PapAuthAckPacket *	authAckPacket,
		size_t	length
	)

Process Authenticate-Ack packet.

Parameters

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

Returns

Error code

Definition at line 330 of file pap.c.

papProcessAuthNak()

error_t papProcessAuthNak	(	PppContext *	context,
		const PapAuthNakPacket *	authNakPacket,
		size_t	length
	)

Process Authenticate-Nak packet.

Parameters

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

Returns

Error code

Definition at line 387 of file pap.c.

papProcessAuthReq()

error_t papProcessAuthReq	(	PppContext *	context,
		const PapAuthReqPacket *	authReqPacket,
		size_t	length
	)

Process Authenticate-Request packet.

Parameters

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

Returns

Error code

Definition at line 214 of file pap.c.

papProcessPacket()

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

Process an incoming PAP packet.

Parameters

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

Definition at line 149 of file pap.c.

papSendAuthAck()

error_t papSendAuthAck	(	PppContext *	context,
		uint8_t	identifier
	)

Send Authenticate-Ack packet.

Parameters

[in]	context	PPP context
[in]	identifier	Identifier field

Returns

Error code

Definition at line 501 of file pap.c.

papSendAuthNak()

error_t papSendAuthNak	(	PppContext *	context,
		uint8_t	identifier
	)

Send Authenticate-Nak packet.

Parameters

[in]	context	PPP context
[in]	identifier	Identifier field

Returns

Error code

Definition at line 553 of file pap.c.

papSendAuthReq()

error_t papSendAuthReq

(

PppContext *

context

)

Send Authenticate-Request packet.

Parameters

[in]

context

PPP context

Returns

Error code

Definition at line 422 of file pap.c.

papStartAuth()

error_t papStartAuth

(

PppContext *

context

)

Start PAP authentication.

Parameters

[in]

context

PPP context

Returns

Error code

Definition at line 53 of file pap.c.

papTick()

void papTick

(

PppContext *

context

)

PAP timer handler.

This routine must be periodically called by the TCP/IP stack to manage retransmissions

Parameters

[in]

context

PPP context

Definition at line 110 of file pap.c.