bsdinstall: draw attention to new network config options

The network configuration options have changed in bsdinstall, with
an Auto option to proceed directly to DHCP and IPv6 autoconfig (which
is t

bsdinstall: draw attention to new network config options

The network configuration options have changed in bsdinstall, with
an Auto option to proceed directly to DHCP and IPv6 autoconfig (which
is the default) as well as Manual (the old mode). For users like me
that were used to hitting return automatically to select an interface,
but want manual configuration, attempt to call out the difference:
Change the menu caption to say "Please select a network interface
and configuration mode:" and not just an interface.

Reviewed by: jrtc27

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bsdinstall: Add new Auto option to netconfig interface selection dialog

This changes the OK / Cancel buttons into Auto / Manual / Cancel, with
Auto being the default. Manual behaves like OK used to,

bsdinstall: Add new Auto option to netconfig interface selection dialog

This changes the OK / Cancel buttons into Auto / Manual / Cancel, with
Auto being the default. Manual behaves like OK used to, i.e. presents a
series of dialogs asking exactly how to configure the interface, and
Cancel is unchanged, exiting with exit code 1. Auto will attempt to
configure IPv4+DHCP and IPv6+SLAAC with no interaction, failing only if
neither can be configured, thereby supporting all of IPv4-only,
IPv6-only and dual-stack environments. If at least one DNS server is
provided, it will also skip asking for DNS settings, otherwise it will
act like Manual mode for the purposes of DNS settings and prompt. For a
standard dual-stack environment this cuts down the number of netconfig
dialogs from 6 (interface, IPv4, DHCP, IPv6, SLAAC, DNS) to just the
first one.

Reviewed by: brooks
Differential Revision: https://reviews.freebsd.org/D43731

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bsdinstall: Fix broken netconfig persistence for installed system

The replacement of echo >> with sysrc -f used sysrc key value, which
means "read variables key and value" and thus did nothing usefu

bsdinstall: Fix broken netconfig persistence for installed system

The replacement of echo >> with sysrc -f used sysrc key value, which
means "read variables key and value" and thus did nothing useful (and in
fact emitted errors to the log about neither existing). Instead use the
correct sysrc key=value form so the installed system comes back up with
working networking.

Fixes: 60b37735f305 ("bsdinstall netconfig: avoid duplicate entries in rc.conf")

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bsdinstall: Drop Error from title in netconfig no interfaces dialog

This isn't inherently an error. It is if you're attempting to download
dist tarballs or later install packages, but a FreeBSD syst

bsdinstall: Drop Error from title in netconfig no interfaces dialog

This isn't inherently an error. It is if you're attempting to download
dist tarballs or later install packages, but a FreeBSD system with no
NIC is a reasonable setup to have, especially in a throwaway VM setting,
so we shouldn't say it is one.

Leaving the exit code as 1 is still fine, since auto will ignore it, and
avoids breaking other uses.

MFC after: 1 week

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bsdinstall: Fix netconfig script when no interfaces are present

The script uses [ -z "$INTERFACES" ] to check if the list of interfaces
is empty and will exit early if so, but INTERFACES always cont

bsdinstall: Fix netconfig script when no interfaces are present

The script uses [ -z "$INTERFACES" ] to check if the list of interfaces
is empty and will exit early if so, but INTERFACES always contains at
least a space due to the way it appends the list of wireless devices.
Fix this by only adding the space when there are devices to append,
mirroring the behaviour for non-wireless devices above (both will result
in a redundant leading space when the list is non-empty, but that one is
harmless).

Fixes: 159ca5c844cd ("Adapt to new wireless scheme where base wlan interfaces do not show up in ifconfig anymore.")
MFC after: 1 week

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bsdinstall netconfig: avoid duplicate entries in rc.conf

This uses sysrc to write and update configuration variables in the
temporary configuration file for network access, ._rc.conf.net. This
repla

bsdinstall netconfig: avoid duplicate entries in rc.conf

This uses sysrc to write and update configuration variables in the
temporary configuration file for network access, ._rc.conf.net. This
replaces the previous mechanism, which was simply appending new values
as they were updated.

PR: 212396
Reviewed by: emaste
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D42194

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bsdinstall: avoid conflicts with fd 3

Throughout the bsdinstall script fd 3 is used by f_dprintf (set through
$TERMINAL_STDOUT_PASSTHRU). In several places in the bsdinstalls scripts,
we use fd 3 to

bsdinstall: avoid conflicts with fd 3

Throughout the bsdinstall script fd 3 is used by f_dprintf (set through
$TERMINAL_STDOUT_PASSTHRU). In several places in the bsdinstalls scripts,
we use fd 3 to juggle stdout when calling out to other tools, which can
cause the installer to fail with a "Bad file descriptor" error when
f_dprintf attempts to use it.

This commit replaces all constructs like this:

exec 3>&1
SOME_VARIABLE=$(some command 2>&1 1>&3)
exec 3>&-

With:

exec 5>&1
SOME_VARIABLE=$(some command 2>&1 1>&5)
exec 5>&-

PR: 273148
Reviewed by: corvink
Fixes: 1f7746d81f53447ac15cc99395bb714d4dd0a4da ("bsdinstall: stop messing with file descriptors")
MFC after: 1 week

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Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

bsdinstall: allow whitelabeling the scripts

Approved by: allanjude, asiciliano
Differential Revision: https://reviews.freebsd.org/D35197
Sponsored by: Rubicon Communications, LLC ("Netgate")

bsdinstall netconfig: Replace dialog(1) with bsddialog(1)

Replace (LGPL) dialog(1) with (BSD-2-Clause) bsddialog(1).

Approved by: bapt (mentor)
Differential Revision: https://reviews.freebsd.org/D

bsdinstall netconfig: Replace dialog(1) with bsddialog(1)

Replace (LGPL) dialog(1) with (BSD-2-Clause) bsddialog(1).

Approved by: bapt (mentor)
Differential Revision: https://reviews.freebsd.org/D34682

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MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

MFH @r292599

This includes the pluggable TCP framework and other chnages to the
netstack to track for VNET stability.

Security: The FreeBSD Foundation

Adapt to new wireless scheme where base wlan interfaces do not show up in
ifconfig anymore.

Merge head

IFC @264767

MFC @ r259205 in preparation for some SVM updates. (for real this time)

Merge head r233826 through r256722.

MFC - tracking commit

Incorporate PR bin/161547 to detect when an interface is wireless.
Patch from PR modified slightly for whitespace and style.

PR: bin/161547
Submitted by: Warren Block <wblock@wonkity.com>
Reviewed

Incorporate PR bin/161547 to detect when an interface is wireless.
Patch from PR modified slightly for whitespace and style.

PR: bin/161547
Submitted by: Warren Block <wblock@wonkity.com>
Reviewed by: Allan Jude <freebsd@allanjude.com>
Approved by: re (glebius)

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IFC @230489 (pending review).

IFC @ r226824

Provide an error message and error handling if there are no network
interfaces in the system. This is a non-fatal error except when doing a
network installation.

PR: bin/161950
MFC after: 3 days

IFC @ r225592

sys/dev/bvm/bvm_console.c - move up to the new alt-break order.

IFC @225440.

Correct a typo.

Submitted by: gcooper
Reviewed by: nwhitehorn
Approved by: re (kib)