use librumpres

Introduce rump.arp

arp(8) uses RTM that requires that getpid(2) works correctly. Unfortunately
supporting getpid(2) in librumphijack will be tricky so that we rump-ify
arp(8) as well as ifconfig and route commands.

Suggested by pooka@.

Enable WARNS=4 by default, except for:
cpuctl dumplfs hprop ipf iprop-log kadmin kcm kdc kdigest
kimpersonate kstash ktutil makefs ndbootd ntp pppd quot
racoon racoonctl rtadvd sntp sup tcpdchk tcpdmatch tcpdump
traceroute traceroute6 user veriexecgen wsmoused zic
(Mostly third-party applications)

branches: 1.10.26;
WARNS=4.
- pass lint
- don't use sscanf fgets and fixed length buffers
- always use warnx to report errors.

Kill __P(), use ANSI function declarations, constify; WARNS=3

fix id's

specify man pages the new way.

pull in bsd.own.mk by hand, early, so NOMAN= can be defined there.

NOMAN support.

Clean up import.

needs -lkvm, not -lutil

Add RCS identifiers.

branches: 1.1.1;
Initial revision

s/entires/entries/

Add missing verb. New sentence, new line.

Document our RFC 5227 implementation.

branches: 1.12.2;
Sort sections.

Separate nexthop caches from the routing table

By this change, nexthop caches (IP-MAC address pair) are not stored
in the routing table anymore. Instead nexthop caches are stored in
each network interface; we already have lltable/llentry data structure
for this purpose. This change also obsoletes the concept of cloning/cloned
routes. Cloned routes no longer exist while cloning routes still exist
with renamed to connected routes.

Noticeable changes are:
- Nexthop caches aren't listed in route show/netstat -r
- sysctl(NET_RT_DUMP) doesn't return them
- If RTF_LLDATA is specified, it returns nexthop caches
- Several definitions of routing flags and messages are removed
- RTF_CLONING, RTF_XRESOLVE, RTF_LLINFO, RTF_CLONED and RTM_RESOLVE
- RTF_CONNECTED is added
- It has the same value of RTF_CLONING for backward compatibility
- route's -xresolve, -[no]cloned and -llinfo options are removed
- -[no]cloning remains because it seems there are users
- -[no]connected is introduced and recommended
to be used instead of -[no]cloning
- route show/netstat -r drops some flags
- 'L' and 'c' are not seen anymore
- 'C' now indicates a connected route
- Gateway value of a route of an interface address is now not
a L2 address but "link#N" like a connected (cloning) route
- Proxy ARP: "arp -s ... pub" doesn't create a route

You can know details of behavior changes by seeing diffs under tests/.

Proposed on tech-net and tech-kern:
http://mail-index.netbsd.org/tech-net/2016/03/11/msg005701.html

Consistently use 'RFC 1234' instead of 'RFC1234' or 'RFC-1234'.
From jmc@openbsd.

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22366, verified by myself.

Use
.In header.h
instead of
.Fd #include \*[Lt]header.h\*[Gt]
Much easier to read and write, and supported by groff for ages.
Okayed by ross.

Generate <>& symbolically. I'm avoiding .../dist/... directories for now.

Whitespace nits.

Don't make references to _10Mb/s_ Ethernet; from Christian Weisgerber in
PR bin/11239.

More and more .Os cleanups. .Os is defined in the tmac.doc-common file,
so we shouldn't override it with versions in the manpages. Many more to
come.

we don't need 'pseudo-device ether' anymore. also misc mdoc-macro-usage
cleanup, and add a missing quote (font-lock strikes again).

fix id's

specify man pages the new way.

s/preceed/preced/

arp: Show U for Unreachable

arp: Use SIOCGNBRINFO to display neighbor state information

Add an "auto" keyword to auto-determine the link address from the inet addr.

branches: 1.23.26; 1.23.28;
Use .Cm markup for the keywords "temp", "pub", and "proxy" (suggested
by wiz). Also bump date.

"temp", "pub", and "proxy" are keywords, not replaceable
parameters, so do not use ".Ar" markup. Use either no markup,
or ".Dq" markup, depending on context.

branches: 1.21.4; 1.21.10;
New sentence, new line. Remove trailing whitespace.

- re-enable 'pro' keyword to allow creation / deletion
of 'proxy only' entries (SIN_PROXY flag set).

branches: 1.19.10;
PR/32681: Yves-Emmanuel JUTARD: Fix and document -d [hostname [pub]]

Put the rest of the -f description in the right place, while adjusting
the wording and starting a new sentence on a new line.

My turn to play wiz and fix the man page he broke. :)

Sort options. Second part of PR 26533.

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22366, verified by myself.

.Nm does not need a dummy argument ("") before punctuation or
for correct formatting of the SYNOPSIS any longer.

Use .Fl instead of hardcoding -.

Whitespace nits.

Provide an easy way for someone to erase all arp entries as opposed
to the common practice of inventing an unwieldy shell construct each
time.

Note: -f (ala route -f) is in use already, and FreeBSD provides "prior
art" for the use of -d and -a together to accomplish this.

branches: 1.11.10;
More and more .Os cleanups. .Os is defined in the tmac.doc-common file,
so we shouldn't override it with versions in the manpages. Many more to
come.

add a verbose (-v) flag for when adding/deleting arp entries.

WARNSify

merge lite2 changes

fix id's

Some KNF clenup.

Remove comments about the `trail' keyword.

Clean up import.

vmunix -> netbsd

Add RCS indentifiers.

branches: 1.1.1;
Initial revision

arp: Permanence is from the llentry, not the route

arp: Show U for Unreachable

arp: Use SIOCGNBRINFO to display neighbor state information

arp(8): one more to close socket.

Teach arp that it's okay to close sockets after using them.
(this requires adding a close op to the rump turds)

Fixes PR 53974 reporting too many open files.

arp(8): Fix the host output when arp -dav.

arp: warn if failed to delete a specified arp entry

This restores the original behavior of arp in NetBSD 7.

Fix the logic for the non auto case

Add an "auto" keyword to auto-determine the link address from the inet addr.

branches: 1.59.2;
fix usage of `arp -d'.

branches: 1.58.4;
Enable to remove multiple ARP/NDP entries for one destination

The kernel can have multiple ARP/NDP entries which have an indentical
destination on different interfaces. This is normal and can be
reproduce easily by ping -I or ping6 -S. We should be able to remove
such entries.

arp -d <ip> and ndp -d <ip> are changed to fetch all ARP/NDP entries
and remove matched entries. So we can remove multiple entries
described above. This fetch all and selective removal behavior is
the same as arp <ip> and ndp <ip>; they also do fetch all entries
and show only matched entries.

Related to PR 51179

Fix usage of routing messages on arp -d and ndp -d

It didn't work as we expected; we should set RTA_GATEWAY not
RTA_IFP on RTM_GET to return an if_index and the kernel should
use it on RTM_DELETE.

whitespace police

branches: 1.55.8;
Separate nexthop caches from the routing table

By this change, nexthop caches (IP-MAC address pair) are not stored
in the routing table anymore. Instead nexthop caches are stored in
each network interface; we already have lltable/llentry data structure
for this purpose. This change also obsoletes the concept of cloning/cloned
routes. Cloned routes no longer exist while cloning routes still exist
with renamed to connected routes.

Noticeable changes are:
- Nexthop caches aren't listed in route show/netstat -r
- sysctl(NET_RT_DUMP) doesn't return them
- If RTF_LLDATA is specified, it returns nexthop caches
- Several definitions of routing flags and messages are removed
- RTF_CLONING, RTF_XRESOLVE, RTF_LLINFO, RTF_CLONED and RTM_RESOLVE
- RTF_CONNECTED is added
- It has the same value of RTF_CLONING for backward compatibility
- route's -xresolve, -[no]cloned and -llinfo options are removed
- -[no]cloning remains because it seems there are users
- -[no]connected is introduced and recommended
to be used instead of -[no]cloning
- route show/netstat -r drops some flags
- 'L' and 'c' are not seen anymore
- 'C' now indicates a connected route
- Gateway value of a route of an interface address is now not
a L2 address but "link#N" like a connected (cloning) route
- Proxy ARP: "arp -s ... pub" doesn't create a route

You can know details of behavior changes by seeing diffs under tests/.

Proposed on tech-net and tech-kern:
http://mail-index.netbsd.org/tech-net/2016/03/11/msg005701.html

Kill confusable use of SIN_PROXY

Reduce abuse of global variables

Introduce rump.arp

arp(8) uses RTM that requires that getpid(2) works correctly. Unfortunately
supporting getpid(2) in librumphijack will be tricky so that we rump-ify
arp(8) as well as ifconfig and route commands.

Suggested by pooka@.

allow ifscope with pub and proxy

Add an ifscope <interface> argument to arp in the spirit of the MacOS/X one,
that sets the arp entry on the interface specified. Undocumented for now,
until people decide it is useful.

branches: 1.49.6; 1.49.12;
Allow -f -, as per PR 10898.

Centralize the ROUNDUP and ADVANCE macro in a header file, give them an
RT_ prefix and use them appropriately, instead of making copies. Make
pppd use the RT_ROUNDUP macro; fixes proxyarp setting on 64 bit hosts.

XXX: All this should be pulled up to 5.0

branches: 1.47.4; 1.47.6;
Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.

branches: 1.46.6;
- re-enable 'pro' keyword to allow creation / deletion
of 'proxy only' entries (SIN_PROXY flag set).

convert __attribute__s to applicable cdefs.h macros

branches: 1.44.8;
WARNS=4.
- pass lint
- don't use sscanf fgets and fixed length buffers
- always use warnx to report errors.

Extract common code from set() and delete() into subroutine
is_llinfo().

PR/32681: Yves-Emmanuel JUTARD: Fix and document -d [hostname [pub]]

Kill __P(), use ANSI function declarations, constify; WARNS=3

Add -v option to usage message.

plug memory leak. PR misc/22479

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22366, verified by myself.

ensure string termination

prevent sscanf overrun

Convert to use getifaddrs(3) to get interface names; this is mostly removal
of grotty code to unpack data structures returned by the SIOCGIFCONF ioctl.

branches: 1.34.2;
When converting to use getprogname(), please don't forget the necessary
companion call to setprogname() for portability.

re-convert to use getprogname(). This was already once done in rev 1.28,
but silently killed in rev 1.29.

from John Franklin <franklin@elfie.org> in bin/15771

Use getnameinfo() to format link-layer addresses, rather than doing it
ourselves.

remove spurious newline in an error message.

Provide an easy way for someone to erase all arp entries as opposed
to the common practice of inventing an unwieldy shell construct each
time.

Note: -f (ala route -f) is in use already, and FreeBSD provides "prior
art" for the use of -d and -a together to accomplish this.

modified patch from PR 8566 to print the interface name for each ARP table
entry, in addition to the MAC address to IP address mapping. Tested on
NetBSD/alpha 1.4.3 and NetBSD/sparc 1.5.1_ALPHA

convert to use getprogname()

Get rid of the TRY_AGAIN kludge. It is completely counter intuitive to have
every DNS lookup fail after the first TRY_AGAIN failure.
Also take care of minor lint stuff [extra h_errno declaratation/NULL vs. 0 etc]

More format string cleanups by sommerfeld.

Use ROUNDUP to pass addresses to the kernel aligned on a long boundary. Use the sa_len field of each address instead of sizeof(). Makes arp work on 64bit architectures.

Removed redundant / extra prototypes.

branches: 1.23.2; 1.23.10;
add a verbose (-v) flag for when adding/deleting arp entries.

If the arp cache is empty, don't even attempt to retrieve it. Fixes
'bad address' message when the cache is empty.

Make deleting proxy arp entries on ARCnet interfaces work again.
Fixes my own last PR, whose number I don't know yet.

branches: 1.20.2;
use __progname

WARNSify

Print Ethernet and FDDI addresses in the same format as ether_ntoa().
From Matt Thomas <matt@3am-software.com>

New ARP system, supports IPv4 over any hardware link.

Some of the stuff (e.g., rarpd, bootpd, dhcpd etc., libsa) still will
only support Ethernet. Tcpdump itself should be ok, but libpcap needs
lot of work.

For the detailed change history, look at the commit log entries for
the is-newarp branch.

merge lite2 changes

branches: 1.15.2;
fix PR misc/3184, but somewhat differently.
include <unistd.h> for getopt() prototype, reorder includes.
eliminate some leftover unused variables.

use ether_aton() from libc; from Klaus Klein <kleink@layla.inka.de>,
with some modifications by myself.

Use warnx() and hstrerror(), rather than herror().

needs string.h

oops forgot rcsid string, fix that to..

fix id's

ditch use of inet_addr() use inet_aton() instead.

Some KNF clenup.

fix typo.

enable -f form.

Clean up import.

patch security hole talked about on comp.security.misc

Add RCS identifiers.

Cleanup for GCC 2.

branches: 1.1.1;
Initial revision

Clean up deleted files.

Clean up import.

branches: 1.1.1;
Initial revision

arp: Use SIOCGNBRINFO to display neighbor state information

Teach arp that it's okay to close sockets after using them.
(this requires adding a close op to the rump turds)

Fixes PR 53974 reporting too many open files.

branches: 1.1.8; 1.1.16;
Introduce rump.arp

arp(8) uses RTM that requires that getpid(2) works correctly. Unfortunately
supporting getpid(2) in librumphijack will be tricky so that we rump-ify
arp(8) as well as ifconfig and route commands.

Suggested by pooka@.

arp: Use SIOCGNBRINFO to display neighbor state information

Teach arp that it's okay to close sockets after using them.
(this requires adding a close op to the rump turds)

Fixes PR 53974 reporting too many open files.

branches: 1.1.8; 1.1.16;
Introduce rump.arp

arp(8) uses RTM that requires that getpid(2) works correctly. Unfortunately
supporting getpid(2) in librumphijack will be tricky so that we rump-ify
arp(8) as well as ifconfig and route commands.

Suggested by pooka@.

arp: Use SIOCGNBRINFO to display neighbor state information

Teach arp that it's okay to close sockets after using them.
(this requires adding a close op to the rump turds)

Fixes PR 53974 reporting too many open files.

branches: 1.1.8; 1.1.16;
Introduce rump.arp

arp(8) uses RTM that requires that getpid(2) works correctly. Unfortunately
supporting getpid(2) in librumphijack will be tricky so that we rump-ify
arp(8) as well as ifconfig and route commands.

Suggested by pooka@.