Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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various: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

various: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.

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Make ppp WARNS=5 clean

Understand the following Microsoft Vendor Specific RADIUS attributes:

RAD_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY
RAD_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES
RAD_MICROSOFT_MS_MPPE_RECV_KEY
RAD_MICROS

Understand the following Microsoft Vendor Specific RADIUS attributes:

RAD_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY
RAD_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES
RAD_MICROSOFT_MS_MPPE_RECV_KEY
RAD_MICROSOFT_MS_MPPE_SEND_KEY

These attributes may be supplied by a RADIUS server when MSCHAPv2 is
used to authenticate.

It *should* now be possible to build ppp with -DNODES and still support
CHAP/MSCHAP/MSCHAPv2/MPPE via a RADIUS server, but the code isn't yet
smart enough to do that (building with -DNODES just looses these
facilities).

Sponsored by: Monzoon

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o Clean up some #includes
o Bump version number to 3.0.4
o When talking to a RADIUS server, provide a NAS-Port-Type.

When the NAS-Port-Type is Ethernet, provide a NAS-Port value equal
to the SES

o Clean up some #includes
o Bump version number to 3.0.4
o When talking to a RADIUS server, provide a NAS-Port-Type.

When the NAS-Port-Type is Ethernet, provide a NAS-Port value equal
to the SESSIONID from the environment in direct mode or the
NGM_PPPOE_SESSIONID message in other modes. If no SESSIONID is found,
default to the interface index in client mode or zero in server mode.

When the NAS-Port-Type is ISDN, set the NAS-Port to the minor number
of the physical device (ie, the N in /dev/i4brbchN).

This makes it easier for the RADIUS server to identify the client
WRT accounting data etc.

Prompted by: lsz8425 <lsz8425@mail.cd.hn.cn>

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Make the way FSM options are processed easier to read by using structures
instead of u_char *.

The changes are cosmetic except:

RecvConfigAck() now displays the options that are being ACK'd
Hug

Make the way FSM options are processed easier to read by using structures
instead of u_char *.

The changes are cosmetic except:

RecvConfigAck() now displays the options that are being ACK'd
Huge (bogus) options sent from the peer won't cause an infinite loop
SendIdent and ReceiveIdent are displayed consistenlty with other FSM data
LCP AUTHPROTO options that aren't understood are NAK'd, not REJ'd

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Reduce the interface MTU by 2 when MPPE has been successfully negotiated.

This is necessary because MPPE will combine the protocol id with the
payload received on the tun interface, encrypt it, then

Reduce the interface MTU by 2 when MPPE has been successfully negotiated.

This is necessary because MPPE will combine the protocol id with the
payload received on the tun interface, encrypt it, then prepend its
own protocol id, effectively increasing the payload by two bytes.

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Add support for stateful MPPE (microsoft encryption) providing
encryption compatibility with Windows 2000. Stateful encryption
uses less CPU but is bad on lossy transports.

The ``set mppe'' command

Add support for stateful MPPE (microsoft encryption) providing
encryption compatibility with Windows 2000. Stateful encryption
uses less CPU but is bad on lossy transports.

The ``set mppe'' command has been expanded. If it's used with any
arguments, ppp will insist on encryption, closing LCP if the other
end refuses.

Unfortunately, Microsoft have abused the CCP reset request so that
receiving a reset request does not result in a reset ack when using
MPPE...

Sponsored by: Monzoon Networks AG and FreeBSD Services Limited

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Add a ``Usable'' function to the ccp switch. The function
is called prior to sending a CCP configure request for a
given protocol. The default is to send the request, but
this is overridden for MPP

Add a ``Usable'' function to the ccp switch. The function
is called prior to sending a CCP configure request for a
given protocol. The default is to send the request, but
this is overridden for MPPE which checks to see if the lcp
negotiations agreed CHAP81, and if not fails.

Use the same function to decide if we should reject peer
requests for MPPE.

This should get rid of those boring messages about not being
able to initialise MPPE when we don't negotiate CHAP81.

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Support link identification from rfc1570
Two new commands are available; ``ident'' and ``sendident''.

Implement mbuf allocation internally by maintaining 8 buckets of
different sized mbufs, and mallocing them in chunks of 20 mbufs
at a time.

This improves back-to-back throughput by between 7 and 8%

Cosmetic: Make struct mbuf more like kernel mbufs.

$Id$ -> $FreeBSD$

Add ISDN support via isdnd & i4b. This requires version
0.81.1 of the i4b code - namely support of the I4B_VR_REQ
ioctl via the i4brbchX device.

Ppp controls the phone number, but idle timers and
S

Add ISDN support via isdnd & i4b. This requires version
0.81.1 of the i4b code - namely support of the I4B_VR_REQ
ioctl via the i4brbchX device.

Ppp controls the phone number, but idle timers and
SYNC/RAW decisions are still made by isdnd (in isdnd.rc).

This involves a new datalink state machine phase. The
``wait for carrier'' phase happens after dialing but
before logging in. The whole dial state should really
be abstracted so that each device type can deal with it
in its own way (thinking about PPPoE) - but that'll have
to wait.

The ``set cd'' symantics remain the same for tty devices,
but we now delay until we either get CD or timeout waiting
(at which time we drop the link if we require CD).

For i4b devices we always insist on carrier.

Thanks to hm@ for his help, and especially for pointing out
that I *don't* need to re-implement isdnd (that was a huge
waste of time !) :-]

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o Alter the mbuf type as it's processed by different layers.
o Show more information about missing MP fragments in ``show mp''.
o Do away with mbuf_Log(). It was showing mbuf stats twice on
receip

o Alter the mbuf type as it's processed by different layers.
o Show more information about missing MP fragments in ``show mp''.
o Do away with mbuf_Log(). It was showing mbuf stats twice on
receipt of LCP/CCP/IPCP packets.... ???!!?
o Pre-allocate a bit extra when creating LQR packets to avoid having
to allocate another mbuf in mbuf_Prepend().

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o Redesign the layering mechanism and make the aliasing code part of
the layering.

We now ``stack'' layers as soon as we open the device (when we figure
out what we're dealing with). A static

o Redesign the layering mechanism and make the aliasing code part of
the layering.

We now ``stack'' layers as soon as we open the device (when we figure
out what we're dealing with). A static set of `dispatch' routines are
also declared for dealing with incoming packets after they've been
`pulled' up through the stacked layers.

Physical devices are now assigned handlers based on the device type
when they're opened. For the moment there are three device types;
ttys, execs and tcps.

o Increment version number to 2.2
o Make an entry in [uw]tmp for non-tty -direct invocations (after
pap/chap authentication).
o Make throughput counters quad_t's
o Account for the absolute number of mbuf malloc()s and free()s in
``show mem''.
o ``show modem'' becomes ``show physical''.

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Tone down the log levels (Log{ERROR,WARN} -> LogCCP)
when we've simply missed a packet.

When our Predictor1 CRC is wrong (implying we've dropped
a packet), don't send a ResetReq(). Instead, send an

Tone down the log levels (Log{ERROR,WARN} -> LogCCP)
when we've simply missed a packet.

When our Predictor1 CRC is wrong (implying we've dropped
a packet), don't send a ResetReq(). Instead, send another
CCP ConfigReq(). *shrug* My tests show this as being far
worse than the ResetReq as we may have further Nak/Rejs etc
and we're basically resetting both our incoming and outgoing
compression dictionaries, but rfc1978 says the ConfigReq is
correct, so we'd better go along...

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o Support callback types NONE, E.164, AUTH and CBCP.
(see the new ``set callback'' and ``set cbcp'' commands)
o Add a ``cbcp'' log level and mbuf type.
o Don't dump core when \T is given in ``set l

o Support callback types NONE, E.164, AUTH and CBCP.
(see the new ``set callback'' and ``set cbcp'' commands)
o Add a ``cbcp'' log level and mbuf type.
o Don't dump core when \T is given in ``set login'' or
``set hangup''.
o Allow ``*'' and blanks as placeholders in ppp.secret and
allow a fifth field for specifying auth/cbcp dialback
parameters.
o Remove a few extraneous #includes
o Define the default number of REQs (restart counter) in defs.h
rather than hardcoding ``5'' all over the place.
o Fix a few man page inconsistencies.

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Change some log levels. ALERTs are only logged when
something that can't happen happens or when everyone
needs to know. ERRORs are only logged when something
unexpected happens.

o De-staticise things that don't need to be static.
o Bring the static ``ttystate'' into struct prompt so that
the tilde context is per prompt and not global.
o Comment the remaining static variabl

o De-staticise things that don't need to be static.
o Bring the static ``ttystate'' into struct prompt so that
the tilde context is per prompt and not global.
o Comment the remaining static variables so that it's
clear why they're static.
o Add some XXX comments suggesting that our interface list
and our hostname should be re-generated after a signal
(say SIGUSR1) so that a machine with PCCARDs has a chance.

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MFMP: Make ppp multilink capable.
See the file README.changes, and re-read the man page.

o Activate link-level CCPs in multilink mode, by bringing them
into the ST_STOPPED state.
o Allow an optional ccp|lcp argument to `down'. The default is
still lcp (as before). You can now call

o Activate link-level CCPs in multilink mode, by bringing them
into the ST_STOPPED state.
o Allow an optional ccp|lcp argument to `down'. The default is
still lcp (as before). You can now call down with no context
in multilink mode, in which case it'll down the multilink ccp
or the entire bundle (*very* rude).
o Allow an optional `!' after `close ccp' (close ccp!) to tell
ccp to stay in the CLOSED state after the terminate ACK. The
default is now to re-enter STOPPED so that the peer can bring
the layer back up if desired.
o Always handle proto-compressed packets, even if we've agreed
(in LCP) that the peer will not send us 1 byte protocols.
If the peer violates the LCP agreement, log it to the HDLC
log.
o Fix some comments.

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Cosmetic: Make our external function names consistent.

Make gcc-2.8.1 build ppp cleanly.
Support OpenBSD again.