Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals.

Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals. These copyright strings are present in the comments and
are largely from CSRG's attempt at adding their copyright to every
binary file (which modern interpretations of the license doesn't
require).

Sponsored by: Netflix

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usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a pe

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dea

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dead2.

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/735

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whois: Handle referrals to rwhois servers.

PR: 243862
Submitted by: ben@desync.com
Differential Revision: https://reviews.freebsd.org/D25156

Merge ^/head r325999 through r326131.

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier f

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

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.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Merge ^/head r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge ^/head r308491 through r308841.

More robust handling of whois referrals from RIRs.

An example problem case is 163.1.0.0 (University of Oxford)
which is in an APNIC ERX address range. Previously we assumed
that ARIN has the correct

More robust handling of whois referrals from RIRs.

An example problem case is 163.1.0.0 (University of Oxford)
which is in an APNIC ERX address range. Previously we assumed
that ARIN has the correct information for all ERX allocations,
but in this case ARIN refers back to APNIC, rather than referring
to RIPE. This caused whois to loop.

Whois will no longer loop back and forth forever between two RIRs
that don't have an answer, but instead try the other RIRs in turn.

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Send whois queries for gov.uk names to JANET.

whois(1): Fix potential double-close and logic mistakes

Close the fd the poll error was detected on, rather than the last opened fd, to
fix the double-close.

Use -1 to make it explict which int var

whois(1): Fix potential double-close and logic mistakes

Close the fd the poll error was detected on, rather than the last opened fd, to
fix the double-close.

Use -1 to make it explict which int variables no longer own socket file
descriptors.

Actually shrink, rather than grow, the poll timeout to match comment.

Reported by: Coverity
CID: 1304860, 1305616
Sponsored by: EMC / Isilon Storage Division

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whois(1): Pull out async multiple host connection code into a routine

This logic was added to the whois() function in r281959, but could easily be
its own routine. In this case, I think the abstrac

whois(1): Pull out async multiple host connection code into a routine

This logic was added to the whois() function in r281959, but could easily be
its own routine. In this case, I think the abstraction makes both functions
easier to reason about.

This precedes some Coverity-suggested cleanup.

Sponsored by: EMC / Isilon Storage Division

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MFH

Sponsored by: The FreeBSD Foundation

Handle whois referrals between RIRs

This is rather ugly, because the RIPE and APNIC whois servers do
not provide referrals for address blocks that they do not manage.
However ARIN is usually the rig

Handle whois referrals between RIRs

This is rather ugly, because the RIPE and APNIC whois servers do
not provide referrals for address blocks that they do not manage.
However ARIN is usually the right place or knows the right place
so we try there.

The particular instance which clued me in to this bug is U.Mich.
141.211.0.0/16 for which the referral chain should be IANA ->
RIPE -> ARIN. RIPE's RDAP does provide useful redirects (for
example try `curl -I http://rdap.db.ripe.net/ip/141.211.0.0)
so maybe their whois server can be improved.

AfriNIC's whois server gives more direct referrals, but they are
designed to be human-readable. Ugly, but we can manage.

The issue of referrals between RIRs is likely to become more important
in the future whith the increasing number of cross-region IP address
block transfers increases.

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MFH

Sponsored by: The FreeBSD Foundation

Fix whois queries for ARIN AS numbers.

The ARIN whois server likes AS number queries to be in the form
"a 8075" rather than "as7085".

MfH @r295202

Expect to see panics in routing code at least now.

Merge ^/head r294599 through r294776.

MFH

Sponsored by: The FreeBSD Foundation

Fix a regression in the .de and .dk whois special cases

Ensure the special cases trigger whether we come via a referral
or via the -c option. Match host names case-insensitively.

Use the default ch

Fix a regression in the .de and .dk whois special cases

Ensure the special cases trigger whether we come via a referral
or via the -c option. Match host names case-insensitively.

Use the default character set supported by .de (UTF-8) since that
is more compatible with the modern world than ISO 8859-1. Persuade
them to give us a useful answer whether an internationalized
domain name is given in UTF-8 or in punycode.

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A lot of the cleverness in whois is no longer needed!

The IANA whois server has the right referral information for domain
names, IP addresses, and AS numbers, so whois does not need to be
able to ch

A lot of the cleverness in whois is no longer needed!

The IANA whois server has the right referral information for domain
names, IP addresses, and AS numbers, so whois does not need to be
able to choose servers itself (except for a few cases where referrals
do not work). We can delete a chunk of code, which is always fun.

This change improves the referral handling to be less sensitive to
all the various formats, and to allow multi-hop referral chains,
such as IANA -> registry -> registrar.

ARIN queries have the "+" flag added if no flags are present, so we
get full details if the query matches multiple objects. The Verisign
anti-spam logic is also now suppressed if the user provided a non-
trivial query string.

Uninformative rubric is now trimmed by default. The -S option
turns off trimming, and disables query fettling.

The -i option is back to its traditional pre-1999 hostname, since
whois.internic.net is more useful than whois.networksolutions.com.
Note that the old fallback/default server whois.crsnic.net is an
alias for whois.internic.net.

The manual is more informative about query syntax.

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Merge ^/head r294169 through r294598.

Update whois synopsis and usage with new options