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module PAP_Types {
/* (C) 2019 by Harald Welte <laforge@gnumonks.org>
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
import from Osmocom_Types all;
/* RFC1334 */
type enumerated PapCode {
PAP_AuthenticateReq ('01'O),
PAP_AuthenticateAck ('02'O),
PAP_AuthenticateNak ('03'O)
} with { variant "FIELDLENGTH(8)" };
type record PapPacket {
PapCode code,
uint8_t identifier,
uint16_t len,
PapPayloadUnion payload
} with {
variant (len) "LENGTHTO(code,identifier,len,payload)"
variant (payload) "CROSSTAG( req, code = PAP_AuthenticateReq;
ack, code = PAP_AuthenticateAck;
nak, code = PAP_AuthenticateNak)"
};
type union PapPayloadUnion {
PapAuthReq req,
PapAuthResp ack,
PapAuthResp nak
};
type record PapAuthReq {
uint8_t peer_id_len,
octetstring peer_id,
uint8_t passwd_len,
octetstring passwd
} with {
variant (peer_id_len) "LENGTHTO(peer_id)"
variant (passwd_len) "LENGTHTO(passwd)"
};
type record PapAuthResp {
uint8_t msg_len,
charstring msg
} with { variant (msg_len) "LENGTHTO(msg)" };
external function enc_PapPacket(in PapPacket inp) return octetstring
with { extension "prototype(convert)" extension "encode(RAW)" };
external function dec_PapPacket(in octetstring inp) return PapPacket
with { extension "prototype(convert)" extension "decode(RAW)" };
template (value) PapPacket ts_PAP(template (value) PapCode code, template (value) uint8_t identifier,
template (value) PapPayloadUnion payload) := {
code := code,
identifier := identifier,
len := 0, /* overwritten */
payload := payload
}
template PapPacket tr_PAP(template PapCode code, template uint8_t identifier, template PapPayloadUnion payload) := {
code := code,
identifier := identifier,
len := ?,
payload := payload
}
template (value) PapPacket ts_PAP_AuthReq(uint8_t identifier := 0, octetstring peer_id, octetstring passwd) :=
ts_PAP(PAP_AuthenticateReq, identifier,
{ req := { peer_id_len := 0, peer_id := peer_id,
passwd_len := 0, passwd := passwd } });
template PapPacket tr_PAP_AuthReq(template uint8_t identifier := ?, octetstring peer_id, octetstring passwd) :=
tr_PAP(PAP_AuthenticateReq, identifier,
{ req := { peer_id_len := ?, peer_id := peer_id,
passwd_len := ?, passwd := passwd } });
template (value) PapPacket ts_PAP_AuthAck(uint8_t identifier := 0, charstring msg) :=
ts_PAP(PAP_AuthenticateAck, identifier, { ack := { msg_len := 0, msg := msg } });
template PapPacket tr_PAP_AuthAck(template uint8_t identifier := ?) :=
tr_PAP(PAP_AuthenticateAck, identifier, { ack := ? });
template (value) PapPacket ts_PAP_AuthNak(uint8_t identifier := 0, charstring msg) :=
ts_PAP(PAP_AuthenticateNak, identifier, { nak := { msg_len := 0, msg := msg } });
template PapPacket tr_PAP_AuthNak(template uint8_t identifier := ?) :=
tr_PAP(PAP_AuthenticateNak, identifier, { nak := ? });
} with { encode "RAW" ; variant "FIELDORDER(msb)" }
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