pap.h File Reference

PAP (Password Authentication Protocol) More...

#include "core/net.h"
#include "ppp/ppp.h"

Go to the source code of this file.

Data Structures
struct	PapFsm
	PAP finite state machine. More...

Macros
#define	PAP_SUPPORT   ENABLED
#define	PAP_RESTART_TIMER   3000
#define	PAP_MAX_REQUESTS   5

Enumerations
enum	PapState {   PAP_STATE_0_INITIAL = 0 , PAP_STATE_1_STARTED = 1 , PAP_STATE_2_REQ_SENT = 2 , PAP_STATE_3_REQ_RCVD = 3 ,   PAP_STATE_4_ACK_SENT = 4 , PAP_STATE_5_ACK_RCVD = 5 , PAP_STATE_6_NAK_SENT = 6 , PAP_STATE_7_NAK_RCVD = 7 }
	PAP states. More...
enum	PapCode { PAP_CODE_AUTH_REQ = 1 , PAP_CODE_AUTH_ACK = 2 , PAP_CODE_AUTH_NAK = 3 }
	Code field values. More...

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...

Variables
typedef	__packed_struct
	Authenticate-Request packet. More...
uint8_t	identifier
uint16_t	length
uint8_t	peerIdLength
uint8_t	peerId []
	PapAuthReqPacket
uint8_t	msgLength
uint8_t	message []
	PapAuthAckPacket
	PapAuthNakPacket

Detailed Description

PAP (Password Authentication Protocol)

License

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

Copyright (C) 2010-2023 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

2.3.2

Definition in file pap.h.

Macro Definition Documentation

PAP_MAX_REQUESTS

#define PAP_MAX_REQUESTS   5

Definition at line 54 of file pap.h.

PAP_RESTART_TIMER

#define PAP_RESTART_TIMER   3000

Definition at line 47 of file pap.h.

PAP_SUPPORT

#define PAP_SUPPORT   ENABLED

Definition at line 40 of file pap.h.

Enumeration Type Documentation

PapCode

enum PapCode

Code field values.

Enumerator
PAP_CODE_AUTH_REQ	Authenticate-Request.
PAP_CODE_AUTH_ACK	Authenticate-Ack.
PAP_CODE_AUTH_NAK	Authenticate-Nak.

Definition at line 86 of file pap.h.

PapState

enum PapState

PAP states.

Enumerator
PAP_STATE_0_INITIAL
PAP_STATE_1_STARTED
PAP_STATE_2_REQ_SENT
PAP_STATE_3_REQ_RCVD
PAP_STATE_4_ACK_SENT
PAP_STATE_5_ACK_RCVD
PAP_STATE_6_NAK_SENT
PAP_STATE_7_NAK_RCVD

Definition at line 69 of file pap.h.

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 602 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 500 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 551 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.

Variable Documentation

__packed_struct

typedef __packed_struct

Initial value:

{
   uint8_t code

Authenticate-Request packet.

Authenticate-Nak packet.

Authenticate-Ack packet.

Definition at line 104 of file pap.h.

identifier

uint8_t identifier

Definition at line 107 of file pap.h.

length

uint16_t length

Definition at line 108 of file pap.h.

message

uint8_t message[]

Definition at line 124 of file pap.h.

msgLength

uint8_t msgLength

Definition at line 123 of file pap.h.

PapAuthAckPacket

PapAuthAckPacket

Definition at line 125 of file pap.h.

PapAuthNakPacket

PapAuthNakPacket

Definition at line 139 of file pap.h.

PapAuthReqPacket

PapAuthReqPacket

Definition at line 111 of file pap.h.

peerId

uint8_t peerId[]

Definition at line 110 of file pap.h.

peerIdLength

uint8_t peerIdLength

Definition at line 109 of file pap.h.