#!/bin/sh
#-
# Copyright (c) 2011 Nathan Whitehorn
# Copyright (c) 2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD: head/usr.sbin/bsdinstall/scripts/config 257842 2013-11-08 09:57:03Z dteske $
#
############################################################ CONFIGURATION

#
# Location of ttys(5)
#
ETC_TTYS=/etc/ttys

############################################################ FUNCTIONS

# ttus_set_type $serterm
#
# Set terminal type of `ttyu*' and entries in ttys(5) to $serterm.
#
ttus_set_type()
{
	local serterm="$1" err

	#
	# Create new temporary file to write our ttys(5) update with new types.
	#
	local tmpfile="$( mktemp -t "pgm" )"
	[ "$tmpfile" ] || return $FAILURE

	#
	# Fixup permissions and ownership (mktemp(1) creates the temporary file
	# with 0600 permissions -- change the permissions and ownership to
	# match ttys(5) before we write it out and mv(1) it into place).
	#
	local mode="$( stat -f '%#Lp' "$ETC_TTYS" 2> /dev/null )"
	local owner="$( stat -f '%u:%g' "$ETC_TTYS" 2> /dev/null )"
	f_quietly chmod "${mode:-0644}" "$tmpfile"
	f_quietly chown "${owner:-root:wheel}" "$tmpfile"

	#
	# Operate on ttys(5), replacing only the types of `ttyu*' terminals
	# with the new type.
	#
	if ! err=$( awk -v serterm="$serterm" '
	BEGIN {
	}
	{
		# "Skip" blank-lines, lines containing only whitespace, and
		# lines containing only a comment or whitespace-then-comment.
		#
		if ( $0 ~ /^[[:space:]]*(#|$)/ ) { print; next }

		# "Skip" terminal types other than those supported
		#
		if ( $1 !~ /^ttyu.*$/ ) { print; next }

		# Change the terminal type to the new value and enable it
		#
		match($0,
		  /[[:alnum:]\.\+-_]+[[:space:]]+(on|off)([[:space:]]|$).*$/)
		if ( ! RSTART ) { print; next }
		start = RSTART
		left=substr($0, 0, RSTART - 1)
		right=substr($0, start)
		match(right,
		  /[[:alnum:]\.\+-_]+[[:space:]]+(on|off)([[:space:]]+|$)/)
		right=substr(right, RSTART + RLENGTH)
		printf "%s%s on %s\n", left, serterm, right
	}
	' "$ETC_TTYS" > "$tmpfile" 2>&1 ); then
		f_show_err "%s" "$err"
		return $FAILURE
	fi
	if ! err=$( mv -f "$tmpfile" "$ETC_TTYS" 2>&1 ); then
		f_show_err "%s" "$err"
		return $FAILURE
	fi

	return $SUCCESS
}

############################################################ MAIN

cat $BSDINSTALL_TMPETC/rc.conf.* >> $BSDINSTALL_TMPETC/rc.conf
rm $BSDINSTALL_TMPETC/rc.conf.*

cp $BSDINSTALL_TMPETC/* $BSDINSTALL_CHROOT/etc

cat $BSDINSTALL_TMPBOOT/loader.conf.* >> $BSDINSTALL_TMPBOOT/loader.conf
rm $BSDINSTALL_TMPBOOT/loader.conf.*

cp $BSDINSTALL_TMPBOOT/* $BSDINSTALL_CHROOT/boot

# Set up other things from installed config
chroot $BSDINSTALL_CHROOT /usr/bin/newaliases

kbdcontrol -d || ttus_set_type vt100

################################################################################
# END
################################################################################