Don't blow away ``set escape'' settings when we've completed the
login phase. Just initialise the correct parts.

Originially submitted by: Vladimir B. Machulsky <bofhmail@yahoo.com>

Don't avoid setting a 0 second timer in datalink_StartDialTimer() by
not setting any timer. Instead, set a 1 millisecond timer.

This ensures that ppp will come out of it's select() call after
losin

Don't avoid setting a 0 second timer in datalink_StartDialTimer() by
not setting any timer. Instead, set a 1 millisecond timer.

This ensures that ppp will come out of it's select() call after
losing carrier in -ddial mode with a reconnect period of 0 and
going to ST_OPENING, rather than waiting indefinitely for some
other event to wake ppp up.

Bump the ppp version number to indicate the event.

MFC after: 3 days

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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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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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Don't say ``Enter pause (-1) for redialing when we're using a random interval.
Show the calculated random value instead.

Suggested by: Bill Richter <richterb@binkley.foothill.net>

Untangle some cunfusion between the CLOSE_STAYDOWN, CLOSE_LCP and
CLOSE_NORMAL meanings. CLOSE_NORMAL doesn't change the currently
required state, the others do. This should stop ppp from entering

Untangle some cunfusion between the CLOSE_STAYDOWN, CLOSE_LCP and
CLOSE_NORMAL meanings. CLOSE_NORMAL doesn't change the currently
required state, the others do. This should stop ppp from entering
DATALINK_READY when LCP shutdown doesn't end up happening cleanly.

Bump our version number to reflect this change.

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Various whitespace changes.
Make some functions static.

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

When we do a ``dial'' or ``open'' from DATALINK_READY, go to
DATALINK_CARRIER and turn off scripting.

This should fix instances where ``term'' is used followed by ~.
and then ``dial''/``open'' (it c

When we do a ``dial'' or ``open'' from DATALINK_READY, go to
DATALINK_CARRIER and turn off scripting.

This should fix instances where ``term'' is used followed by ~.
and then ``dial''/``open'' (it currently just sits there looking
at you).

Reported by: Tim Vanderhoek <vanderh@ecf.utoronto.ca>

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When running ppp -background, show comfort messages showing
when we're redialing/reconnecting.

While we're here, log redial, reconnect and phone number
announcements to LogCHAT, and reduce some othe

When running ppp -background, show comfort messages showing
when we're redialing/reconnecting.

While we're here, log redial, reconnect and phone number
announcements to LogCHAT, and reduce some other logging to
LogDEBUG.

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Don't bother setting the dial timer if we've closed a
background/foreground/direct and zero'd the redial/reconnect
counts.

To avoid namespace polution in NetBSD:

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

If we're in callback mode, don't forget this fact when we
get into datalink_Down().

Submitted by: David Hedley <david@inty.co.uk>

Add a bunch of `const's and fix a typo.

Submitted by: Rich Neswold <rneswold@MCS.Net>

Notice and warn about unterminated quoted strings in commands.
The entire command is ignored if the syntax is invalid...

Be careful not to re-initialise `struct stat' while it still has
a running timer. This fixes a problem where a dial is manually
aborted, the hangup script kicks in and the chat timer ends up
on the

Be careful not to re-initialise `struct stat' while it still has
a running timer. This fixes a problem where a dial is manually
aborted, the hangup script kicks in and the chat timer ends up
on the timer queue twice (tick tick tick tick *boom*)

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Make -foreground a proper option (allowing ``allow mode foreground'',
``set mode foreground'' etc.

Rewrite the link descriptor transfer code in MP mode.

Previously, ppp attempted to bind() to a local domain tcp socket
based on the peer authname & enddisc. If it succeeded, it listen()ed
and becam

Rewrite the link descriptor transfer code in MP mode.

Previously, ppp attempted to bind() to a local domain tcp socket
based on the peer authname & enddisc. If it succeeded, it listen()ed
and became MP server. If it failed, it connect()ed and became MP
client. The server then select()ed on the descriptor, accept()ed
it and wrote its pid to it then read the link data & link file descriptor,
and finally sent an ack (``!''). The client would read() the server
pid, transfer the link lock to that pid, send the link data & descriptor
and read the ack. It would then close the descriptor and clean up.

There was a race between the bind() and listen() where someone could
attempt to connect() and fail.

This change removes the race. Now ppp makes the RCVBUF big enough on a
socket descriptor and attempts to bind() to a local domain *udp* socket
(same name as before). If it succeeds, it becomes MP server. If it
fails, it sets the SNDBUF and connect()s, becoming MP client. The server
select()s on the descriptor and recvmsg()s the message, insisting on at
least two descriptors (plus the link data). It uses the second descriptor
to write() its pid then read()s an ack (``!''). The client creates a
socketpair() and sendmsg()s the link data, link descriptor and one of
the socketpair descriptors. It then read()s the server pid from the
other socketpair descriptor, transfers any locks and write()s an ack.

Now, there can be no race, and a connect() failure indicates a stale
socket file.

This also fixes MP ppp over ethernet, where the struct msghdr was being
misconstructed when transferring the control socket descriptor.

Also, if we fail to send the link, don't hang around in a ``session
owner'' state, just do the setsid() and fork() if it's required to
disown a tty.

UDP idea suggested by: Chris Bennet from Mindspring at FreeBSDCon

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Don't recurse into datalink_UpdateSet() after
doing a HangupDone(). The HangupDone() may fuel
bundle_CleanDatalinks(), and if so, the bogus
UpdateSet() ends up select()ing on a closed
descriptor....

Don't recurse into datalink_UpdateSet() after
doing a HangupDone(). The HangupDone() may fuel
bundle_CleanDatalinks(), and if so, the bogus
UpdateSet() ends up select()ing on a closed
descriptor.....

Change the main `do/while' loop to a `for' loop so
that any `continue's do the bundle_CleanDatalinks()
& bundle_IsDead() bit.

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Support PPPoE

Help (lots) from: julian, archie
Facilities from: ahebert@pubnix.net

Introduce ``set logout''; another chat script. This is in preparation
for the abstraction of ``set dial'' and ``set hangup''.

Don't go from PHASE_NETWORK to PHASE_ESTABLISH when we want to
re-open a device. The fact that we're in NETWORK phase indicates
that there are other links in DATALINK_OPEN and that we don't want
to

Don't go from PHASE_NETWORK to PHASE_ESTABLISH when we want to
re-open a device. The fact that we're in NETWORK phase indicates
that there are other links in DATALINK_OPEN and that we don't want
to stop using them.

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Revert the 1.44 -> 1.45 change. It doesn't work as expected.

Don't go from datalink state opening directly to lcp, go via
carrier instead so that we can set up our carrier detect
timer and eventually notice when we lose carrier.

Honour the script.run value wh

Don't go from datalink state opening directly to lcp, go via
carrier instead so that we can set up our carrier detect
timer and eventually notice when we lose carrier.

Honour the script.run value when coming out of carrier state.

PR: 14145

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Bring links down gently when their throughput isn't enough for
the ``set autoload'' value. Don't just ``down'' the link.
Don't get stuck in ``ready'' the first time we ``close'' a link.