- queue packets from pf(4) to a userspace application
- reinject packets from the application into the kernel stack.
The divert socket can be bound to a special "divert port" and will
receive every packet diverted to that port by pf(4).
The pf syntax is pretty simple, e.g.:
pass on em0 inet proto tcp from any to any port 80 divert-packet port 1
A lot of discussion have happened since my last commit that resulted
in many changes and improvements.
I would *really* like to thank everyone who took part in the discussion
especially canacar@ who spotted out which are the limitations of this approach.
OpenBSD divert(4) is meant to be compatible with software running on
top of FreeBSD's divert sockets even though they are pretty different and will
become even more with time.
discusses with many, but mainly reyk@ canacar@ deraadt@ dlg@ claudio@ beck@
tested by reyk@ and myself
ok reyk@ claudio@ beck@
manpage help and ok by jmc@

Update the BSD.x11.dist version to the one in xenocara.

friends' names unbreaking at least enblend-enfuse & inkscape on
macppc & alpha
reported, tested: ajacoutot@, sthen@
ok: millert@, otto@

`wsmouse' and `wskbd' without suffixes match the wsmux rule.
Reported by Vadim Zhukov (persgray on gmail)

This is required as gcc grows ever more pedantic with old age
and cavorts with standards bodies that like to create paradoxes.
ok kettenis@ miod@ millert@ espie@

with the rest of the file.  no functional change.
feedback from sthen@, ok krw@

function, which is additionally exported for use by others.
It will be needed by smtpd's SSL module when the SMTP client code
is changed to replace libevent's evbuffers with our msgbuf_* API.
ok gilles@ henning@ guenther@ eric@

and filter rules, because we no longer have translation rules.
Pointed out by Mitja Muzenic, ok henning@

OK deraadt@

just stop updating fts_level so we don't overflow it.  This allows
rm, find, etc to operate on very deep hierarchies.  Consumers of
fts(3) do need to be aware that the actual level may be larger
than fts_level.  During the next libc major bump we will make
fts_level an int instead of a short.  OK deraadt@

ok pyr@

have to pass those options.  this makes amd much easier to restart by
hand (though it still remains a nasty daemon do that with)
ok millert

ok deraadt@

ok todd@

freeing the msgbuf.
While here also remove an unnecessary while loop.
ok eric pyr

attempts to "ifconfig carp down" noticed by david@.
- use non-descriptive variables names rather than $if/$junk to encourage
people reading the code to think what it's doing; many of the output lines
are not interface names.
ok david@

urls with spaces work.  ok sthen@

ok deraadt

Spotted by deraadt@. These were used to bring down carp ifaces
cleanly; replace with shell features.
ok deraadt@, henning@. "Much mo' better" blambert@.

formats.  which even for 80-bit & 128-bit long doubles is only 15
bits.  therefore, scalbln, scalblnf, scalblnl are essentially the
same as scalbn, scalbnf, scalbnl with bounds checking so that
LONG_MIN..INT_MIN, and INT_MAX..LONG_MAX ranges properly raise
exceptions & yield correct values.  looks good to millert@

with open(2) and write(2) syscalls.
from Thomas Pfaff, jakemsr is fine with it

cannot cooperate with other programs.  The aim of this change is
to allow any program to send midi data to other programs as they
were midi hardware. For instance, this change should solve the
longstanding problem of using a midi sequencer with software
synthesizers. More precisely:
- new midicat(1) utility (actually hardlink to aucat(1)).
it creates software midi thru boxes, allowing programs
to send midi messages to other programs as they were
midi(4) hardware.
- new midi api in libsndio (see mio_open(3)), to access
midi(4) devices and midicat(1) sockets in a uniform way.
- new device naming scheme <service>:<unit>[.<option>],
common to audio and midi.
- new sndio(7) manual describing concepts and naming
The current audio device naming still works, but people having
scripts or configuration files containing device names could read
the sndio(7) man page and slowly start updating device names.
discussed with jakemsr@ and deraadt@, help form jmc@

bytes that were filled, not the whole buffer.
ok pyr@ gilles@

armish, landisk and zaurus. Also fix corresponding .Xr in MAKEDEV.8
ok miod@, todd@

routes are available.  This fixes usage for some OpenVPN users that start
it from hostname.tun*.
Tested by Johan Huldtgren.  ok sthen@, johan@.

to make logging to syslog work with php for example.
ok deraadt@, henning@

adapted from NetBSD fstat.  OK deraadt@