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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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

o Add ipv6 support, abstracting most NCP addresses into opaque
structures (well, they're treated as opaque).

It's now possible to manage IPv6 interface addresses and routing
table entries and

o Add ipv6 support, abstracting most NCP addresses into opaque
structures (well, they're treated as opaque).

It's now possible to manage IPv6 interface addresses and routing
table entries and to filter IPV6 traffic whether encapsulated or
not.

IPV6CP support is crude for now, and hasn't been tested against
any other implementations.

RADIUS and IPv6 are independent of eachother for now.

ppp.linkup/ppp.linkdown aren't currently used by IPV6CP

o Understand all protocols(5) in filter rules rather than only a select
few.

o Allow a mask specification for the ``delete'' command. It's now
possible to specifically delete one of two conflicting routes.

o When creating and deleting proxy arp entries, do it for all IPv4
interface addresses rather than doing it just for the ``current''
peer address.

o When iface-alias isn't in effect, don't blow away manually (via ``iface
add'') added interface addresses.

o When listening on a tcp server (diagnostic) socket, bind so that a
tcp46 socket is created -- allowing both IPv4 and IPv6 connections.

o When displaying ICMP traffic, don't display the icmp type twice.
When display traffic, display at least some information about unrecognised
traffic.

o Bump version

Inspired after filtering work by: Makoto MATSUSHITA <matusita@jp.FreeBSD.org>

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To avoid namespace polution in NetBSD:

``struct descriptor'' -> ``struct fdescriptor''

Use AUTHLEN for the length of authname

$Id$ -> $FreeBSD$

o Obsolete the undocumented ``set weight'' command.
o If we're using RADIUS and the RADIUS mtu is less than our
peers mru/mrru, reduce our mtu to this value for NetBSD too.
o Make struct throughput

o Obsolete the undocumented ``set weight'' command.
o If we're using RADIUS and the RADIUS mtu is less than our
peers mru/mrru, reduce our mtu to this value for NetBSD too.
o Make struct throughput's sample period dynamic and tweak the ppp
version number to reflect the extra stuff being passed through
the local domain socket as a result (MP mode).
o Measure the current throughput based on the number of samples actually
taken rather than on the full sample period.
o Keep the throughput statisics persistent while being passed to
another ppp invocation through the local domain socket.
o When showing throughput statistics after the timer has stopped, use
the stopped time for overall calculations, not the current time.
Also show the stopped time and how long the current throughput has
been sampled for.
o Use time() consistently in throughput.c
o Tighten up the ``show bundle'' output.
o Introduce the ``set bandwidth'' command.
o Rewrite the ``set autoload'' command. It now takes three arguments
and works based on a rolling bundle throughput average compared against
the theoretical bundle bandwidth over a given period (read: it's now
functional).

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Allow our endpoint discriminator to be enabled, disabled, accepted
and denied. This is necessary for some MP implementations that
get confused if you accept their endpoint discriminator but reject
t

Allow our endpoint discriminator to be enabled, disabled, accepted
and denied. This is necessary for some MP implementations that
get confused if you accept their endpoint discriminator but reject
their MRRU.

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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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If we've got a full output buffer queue and cannot send
anything for two mintues (see ``set choked'' and ``show
bundle''), nuke the ip, mp and link level buffer queues.

This should fix problems wher

If we've got a full output buffer queue and cannot send
anything for two mintues (see ``set choked'' and ``show
bundle''), nuke the ip, mp and link level buffer queues.

This should fix problems where ``ppp -auto'' seems to stop
responding after failing to connect to the peer a few times.

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o Make sure we adjust our min seq and process any outstanding queued
incoming fragments when a link goes down.
o Don't use the minimum sequence numbers of links that aren't open.
o Understand seque

o Make sure we adjust our min seq and process any outstanding queued
incoming fragments when a link goes down.
o Don't use the minimum sequence numbers of links that aren't open.
o Understand sequence number wrapping when determining the minimum
sequence number.
o Add & adjust a few comments.

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

o Display current link throughput in `show links' (assuming
throughput measurement is enabled).
o Load balance the links based on weight *and* on a round-robin
basis. This makes things fairly ev

o Display current link throughput in `show links' (assuming
throughput measurement is enabled).
o Load balance the links based on weight *and* on a round-robin
basis. This makes things fairly even on an output basis. We
don't try to allow for the peer sending all his data down one
link (and try to send ours back up the other).
o Show the number of pending input buffers that can't be processed
in ``show mp''.
o Fix a typo in the man page.

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o Transfer file descriptors using {send,recv}msg & SCM_RIGHTS,
using the scatter/gather array to transfer the link
information. The whole link is now passed in one message.

This is far better t

o Transfer file descriptors using {send,recv}msg & SCM_RIGHTS,
using the scatter/gather array to transfer the link
information. The whole link is now passed in one message.

This is far better than the two `/bin/cat' processes per additional
link :-) I remember years ago thinking that file descriptor
transferral would be a really amazing facility !

Suggested by: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
and: Eivind Eklund <eivind@yes.no>

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Cosmetic: Make our external function names consistent.

o Create a new ``timer'' log level. This lets us ``set
log debug'' without filling our filesystem/screen with
junk that we don't really want to see.
o change PHYS_STDIN to PHYS_DIRECT - we can h

o Create a new ``timer'' log level. This lets us ``set
log debug'' without filling our filesystem/screen with
junk that we don't really want to see.
o change PHYS_STDIN to PHYS_DIRECT - we can handle incoming
connections that aren't on STDIN_FILENO now.
o Allow return values from our FSM LayerUp functions. If
LayerUp() fails, the FSM does an immediate FsmDown() without
calling the fsm_parent's Layer{Up,Down} functions.
o Clear the close-on-exec flag of file descriptor 3 when executing
chat programs so that our documented ability to communicate with
/dev/tty via that descriptor works. Also document it as
descriptor 3, not 4 :-O
o Allow a ``rm'' command as an alias for ``remove''.
o Fix the bind()/connect()/accept() calls made by the MP server.
o Create bundle_SendDatalink() and bundle_ReceiveDatalink().
This allows `struct datalink's to flatten themselves, pass
through a pipe (read: the eye of a needle !) and come alive
at the other end. The donator then fork()s & exec()s pppmpipe,
``passing'' the connection to another ppp instance.

*** PPP NOW TALKS MULTILINK :-))) ***

Our link utilization is hideous, and lots of code needs
tidying still. It's also probably riddled with bugs !
It's been tested against itself only, and has hung once,
so confidence isn't high....

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o Add the link name to modem diagnostics.
o Create struct mpserver as part of struct mp.
mpserver creates a unix-domain socket based on the
peers auth name and endpoint discriminator. If it
al

o Add the link name to modem diagnostics.
o Create struct mpserver as part of struct mp.
mpserver creates a unix-domain socket based on the
peers auth name and endpoint discriminator. If it
already exists, ppp will ``pass the link'' over to
the owner of the socket, joining it into the bundle
of another ppp invocation, otherwise ppp waits for
other invocations to pass it links through this
socket.
The final piece of code will be the code that flattens
our datalink info and passes it down this channel
(not yet implemented).

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Show our link name when we fail to mp_Up().

o Defer setting up pap/chap based IP numbers & labels until after
we've determined if we're going to join another ppp invocation.
o Make ``show link'' show all link details, and ``show links''
ju

o Defer setting up pap/chap based IP numbers & labels until after
we've determined if we're going to join another ppp invocation.
o Make ``show link'' show all link details, and ``show links''
just give a list of links and their current status.
o Show our current label in ``show bundle''.
o Allow link cloning and removal as soon as our MRRU is set.
o Make ``show lcp'' require context as nothing will ever change
in our MP LCP (it's auto-configured as per rfc1990).
o Initialise our LQM owner in hdlc_Init().
o Store our endpoint discriminator and authentication name at both
the datalink and multilink level and compare them when we've
finished AUTHENTICATE phase and before entering NETWORK phase.
If they don't match, close the link again.
Display the information in the appropriate ``show'' command.
o Initialise datalink::phone and datalink::fsmp.object properly
when we're cloning the link.
o Show which link we're passing LQRs on in our diagnostics.
o Reject endpoint discriminator REQs at the logical multilink
level.
o Remove the rest of our CARRIER and LINK logging setup.

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Create #defines for all endpoint discriptor classes,
and allow `set enddisc mac'.

o Initialise MP correctly depending on if we're the
first link in mp_Up().
o Bring MP and its CCP down when we enter phase TERMINATE,
and ditch everything in the incoming packet queue.
o Enable M

o Initialise MP correctly depending on if we're the
first link in mp_Up().
o Bring MP and its CCP down when we enter phase TERMINATE,
and ditch everything in the incoming packet queue.
o Enable MRRU negotiation. Now, we can multilink
mode, but only with one physical link.
o Close the link if the peer PROTO REJs PROTO_MP.
o Prepend our protocol before passing a packet to
struct mp for fragmentation.
o Log info messages to DEBUG, not ERROR (oops).
o Align `show mp' output (again).

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Negotiate MRRU, SHORTSEQ and ENDDISC. ENDDISC doesn't imply
multilink ('cos I've seen my ISP REQ it without multilink).

Setting MRRU is ifdef'd out until it's debugged and we can
merge -direct link

Negotiate MRRU, SHORTSEQ and ENDDISC. ENDDISC doesn't imply
multilink ('cos I've seen my ISP REQ it without multilink).

Setting MRRU is ifdef'd out until it's debugged and we can
merge -direct links with other running programs.

Fix MTU setting.

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o Move alias function pointers into loadalias.c
o Move Var*Version into command.c
o Remove struct pppVars (and there was much rejoicing) !
o Forward-decl some structs in .h files to avoid include
o

o Move alias function pointers into loadalias.c
o Move Var*Version into command.c
o Remove struct pppVars (and there was much rejoicing) !
o Forward-decl some structs in .h files to avoid include
ordering requirements and remove a few more redundant
#includes.

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