Index: config
===================================================================
--- usr.sbin/bsdinstall/scripts/config	(revision 257177)
+++ usr.sbin/bsdinstall/scripts/config	(working copy)
@@ -1,6 +1,7 @@
 #!/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
@@ -25,7 +26,80 @@
 # SUCH DAMAGE.
 #
 # $FreeBSD$
+#
+############################################################ 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
+		#
+		match($0, /[[:alnum:]\.\+-_]+[[:space:]]+(on|off).*$/)
+		if ( ! RSTART ) { print; next }
+		left = substr($0, 0, RSTART - 1)
+		match($0, /[[:space:]]+(on|off).*$/)
+		right = substr($0, RSTART)
+		printf "%s%s%s\n", left, serterm, right
+	}
+	' "$ETC_TTYS" > "$tmpfile" 2>&1 ); then
+		f_dialog_msgbox "$err"
+		return $FAILURE
+	fi
+	if ! err=$( mv -f "$tmpfile" "$ETC_TTYS" 2>&1 ); then
+		f_dialog_msgbox "$err"
+		return $FAILURE
+	fi
+
+	return $SUCCESS
+}
+
+############################################################ MAIN
+
 cat $BSDINSTALL_TMPETC/rc.conf.* >> $BSDINSTALL_TMPETC/rc.conf
 rm $BSDINSTALL_TMPETC/rc.conf.*
 
@@ -39,3 +113,4 @@
 # Set up other things from installed config
 chroot $BSDINSTALL_CHROOT /usr/bin/newaliases
 
+kbdcontrol -d || ttus_set_type vt100