Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

Merge ^/head r357966 through r357999.

fetch(3): Add SOCKS5 support

This change adds SOCKS5 support to the library fetch(3) and updates the man
page.

Details: Within the fetch_connect() function, fetch(3) checks if the
SOCKS5_PROXY envi

fetch(3): Add SOCKS5 support

This change adds SOCKS5 support to the library fetch(3) and updates the man
page.

Details: Within the fetch_connect() function, fetch(3) checks if the
SOCKS5_PROXY environment variable is set. If so, it connects to this host
rather than the end-host. It then initializes the SOCKS5 connection in
accordance with RFC 1928 and returns the resulting conn_t (file descriptor)
for usage by the regular FTP/HTTP handlers.

Design Decision: This change defaults all DNS resolutions through the proxy
by sending all IPs as hostnames. Going forward, another feature might be to
create another environmental variable to toggle resolutions through the
proxy or not..

One may set the SOCKS5_PROXY environment variable in any of the formats:

SOCKS5_PROXY=proxy.example.com
SOCKS5_PROXY=proxy.example.com:1080
SOCKS5_PROXY=192.0.2.0
SOCKS5_PROXY=198.51.100.0:1080
SOCKS5_PROXY=[2001:db8::1]
SOCKS5_PROXY=[2001:db8::2]:1080

Then perform a request with fetch(1).

(note by kevans)
I've since been informed that Void Linux/xbps has a fork of libfetch that
also implements SOCKS5. I may compare/contrast the two in the mid-to-near
future.

Submitted by: Farhan Khan <farhan farhan codes>
Differential Revision: https://reviews.freebsd.org/D18908

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Use __VA_ARGS__ to simplify the DEBUG macro.

MFC after: 3 weeks

lib: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
pr

lib: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified 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.

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Add a __printflike() that would have caught the bug fixed in r314396.

Merge ^/head r308870 through r309105.

Refactor fetch_connect() and fetch_bind() to improve readability and avoid
repeating the same DNS lookups.

MFC after: 3 weeks

IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

Add support for arbitrary http requests

Submitted by: Alex Hornung <alex@alexhornung.com>
Reviewed by: des
Obtained from: Dragonfly
MFC after: 3 week

MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767

MFH: tracking commit

Sponsored by: The FreeBSD Foundation

Merge head up to r262222 (last merge was incomplete).

Bump copyright dates

MFH@261240.

Solve http buffering issues and hangs once and for all (hopefully!) by
simply not trying to return exactly what the caller asked for - just
return whatever we got and let the caller be the judge of w

Solve http buffering issues and hangs once and for all (hopefully!) by
simply not trying to return exactly what the caller asked for - just
return whatever we got and let the caller be the judge of whether it
was enough. If an error occurs or the connection times out after we
already received some data, return a short read, under the assumption
that the next call will fail or time out before we read anything.

As it turns out, none of the code that calls fetch_read() assumes an
all-or-nothing result anyway, except for a couple of lines where we
read the CR LF at the end of a hunk in HTTP hunked encoding, so the
changes outside of fetch_read() and http_readfn() are minimal.

While there, replace select(2) with poll(2).

MFC after: 3 days

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Merge head r233826 through r256722.

IFC @256277

Approved by: ken (mentor)

Merge from head

IFC @ r254014

IFC @ r253862

- change the SI_SUB_RUN_SCHEDULER sysinits in hv_utilc and
hv_netvsc_drv_freebsd.c to SI_SUB_KTHREAD_IDLE, since the
former is no longer in FreeBSD.
The use of these SYSINITs can pro

IFC @ r253862

- change the SI_SUB_RUN_SCHEDULER sysinits in hv_utilc and
hv_netvsc_drv_freebsd.c to SI_SUB_KTHREAD_IDLE, since the
former is no longer in FreeBSD.
The use of these SYSINITs can probably be removed.

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Implement certificate verification, and many other SSL-related
imrovements; complete details in the PR.

PR: kern/175514
Submitted by: Michael Gmelin <freebsd@grem.de>
MFC after: 1 week