add a 'qemu' floppy type, useful for running tests on new kernels

svn path=/head/; revision=201062

release/picobsd/floppy.tree/sbin/dhclient-script

@@ -0,0 +1,384 @@
+#!/bin/sh
+#
+# $OpenBSD: dhclient-script,v 1.6 2004/05/06 18:22:41 claudio Exp $
+# $FreeBSD$
+#
+# Copyright (c) 2003 Kenneth R Westerback <krw@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+#
+
+ARP=/usr/sbin/arp
+HOSTNAME=/bin/hostname
+IFCONFIG='/sbin/ifconfig -n'
+
+LOCALHOST=127.0.0.1
+
+if [ -x /usr/bin/logger ]; then
+	LOGGER="/usr/bin/logger -s -p user.notice -t dhclient"
+else
+	LOGGER=echo
+fi
+
+#
+# Helper functions that implement common actions.
+#
+
+check_hostname() {
+	current_hostname=`$HOSTNAME`
+	if [ -z "$current_hostname" ]; then
+		$LOGGER "New Hostname ($interface): $new_host_name"
+		$HOSTNAME $new_host_name
+	elif [ "$current_hostname" = "$old_host_name" -a \
+	       "$new_host_name" != "$old_host_name" ]; then
+		$LOGGER "New Hostname ($interface): $new_host_name"
+		$HOSTNAME $new_host_name
+	fi
+}
+
+arp_flush() {
+	arp -an -i $interface | \
+		sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' | \
+		sh >/dev/null 2>&1
+}
+
+delete_old_address() {
+	eval "$IFCONFIG $interface inet -alias $old_ip_address $medium"
+}
+
+add_new_address() {
+	eval "$IFCONFIG $interface \
+		inet $new_ip_address \
+		netmask $new_subnet_mask \
+		broadcast $new_broadcast_address \
+		$medium"
+
+	$LOGGER "New IP Address ($interface): $new_ip_address"
+	$LOGGER "New Subnet Mask ($interface): $new_subnet_mask"
+	$LOGGER "New Broadcast Address ($interface): $new_broadcast_address"
+	$LOGGER "New Routers ($interface): $new_routers"
+}
+
+delete_old_alias() {
+	if [ -n "$alias_ip_address" ]; then
+		$IFCONFIG $interface inet -alias $alias_ip_address > /dev/null 2>&1
+		#route delete $alias_ip_address $LOCALHOST > /dev/null 2>&1
+	fi
+}
+
+add_new_alias() {
+	if [ -n "$alias_ip_address" ]; then
+		$IFCONFIG $interface inet alias $alias_ip_address netmask \
+		    $alias_subnet_mask
+		#route add $alias_ip_address $LOCALHOST
+	fi
+}
+
+fill_classless_routes() {
+	set $1
+	while [ $# -ge 5 ]; do
+		if [ $1 -eq 0 ]; then
+			route="default"
+		elif [ $1 -le 8 ]; then
+			route="$2.0.0.0/$1"
+			shift
+		elif [ $1 -le 16 ]; then
+			route="$2.$3.0.0/$1"
+			shift; shift
+		elif [ $1 -le 24 ]; then
+			route="$2.$3.$4.0/$1"
+			shift; shift; shift
+		else
+			route="$2.$3.$4.$5/$1"
+			shift; shift; shift; shift
+		fi
+		shift
+		router="$1.$2.$3.$4"
+		classless_routes="$classless_routes $route $router"
+		shift; shift; shift; shift
+	done
+}
+
+delete_old_routes() {
+	#route delete "$old_ip_address" $LOCALHOST >/dev/null 2>&1
+	if [ -n "$old_classless_routes" ]; then
+		fill_classless_routes "$old_classless_routes"
+		set $classless_routes
+		while [ $# -gt 1 ]; do
+			route delete "$1" "$2"
+			shift; shift
+		done
+		return 0;
+	fi
+
+	# If we supported multiple default routes, we'd be removing each
+	# one here.  We don't so just delete the default route if it's
+	# through our interface.
+	if is_default_interface; then
+		route delete default >/dev/null 2>&1
+	fi
+
+	if [ -n "$old_static_routes" ]; then
+		set $old_static_routes
+		while [ $# -gt 1 ]; do
+			route delete "$1" "$2"
+			shift; shift
+		done
+	fi
+
+	arp_flush
+}
+
+add_new_routes() {
+	#route add $new_ip_address $LOCALHOST >/dev/null 2>&1
+
+	# RFC 3442: If the DHCP server returns both a Classless Static
+	# Routes option and a Router option, the DHCP client MUST ignore
+	# the Router option.
+	#
+	# DHCP clients that support this option (Classless Static Routes)
+	# MUST NOT install the routes specified in the Static Routes
+	# option (option code 33) if both a Static Routes option and the
+	# Classless Static Routes option are provided.
+
+	if [ -n "$new_classless_routes" ]; then
+		fill_classless_routes "$new_classless_routes"
+		$LOGGER "New Classless Static Routes ($interface): $classless_routes"
+		set $classless_routes
+		while [ $# -gt 1 ]; do
+			if [ "0.0.0.0" = "$2" ]; then
+				route add "$1" -iface "$interface"
+			else
+				route add "$1" "$2"
+			fi
+			shift; shift
+		done
+		return
+	fi
+
+	for router in $new_routers; do
+		if is_default_interface; then
+
+			if [ "$new_ip_address" = "$router" ]; then
+				route add default -iface $router >/dev/null 2>&1
+			else
+				route add default $router >/dev/null 2>&1
+			fi
+		fi
+		# 2nd and subsequent default routers error out, so explicitly
+		# stop processing the list after the first one.
+		break
+	done
+
+	if [ -n "$new_static_routes" ]; then
+		$LOGGER "New Static Routes ($interface): $new_static_routes"
+		set $new_static_routes
+		while [ $# -gt 1 ]; do
+			route add $1 $2
+			shift; shift
+		done
+	fi
+}
+
+add_new_resolv_conf() {
+	# XXX Old code did not create/update resolv.conf unless both
+	# $new_domain_name and $new_domain_name_servers were provided.  PR
+	# #3135 reported some ISP's only provide $new_domain_name_servers and
+	# thus broke the script. This code creates the resolv.conf if either
+	# are provided.
+
+	local tmpres=/var/run/resolv.conf.${interface}
+	rm -f $tmpres
+
+	if [ -n "$new_domain_name" ]; then
+		echo "search $new_domain_name" >>$tmpres
+	fi
+
+	if [ -n "$new_domain_name_servers" ]; then
+		for nameserver in $new_domain_name_servers; do
+			echo "nameserver $nameserver" >>$tmpres
+		done
+	fi
+
+	if [ -f $tmpres ]; then
+		if [ -f /etc/resolv.conf.tail ]; then
+			cat /etc/resolv.conf.tail >>$tmpres
+		fi
+
+		# When resolv.conf is not changed actually, we don't
+		# need to update it.
+		# If /usr is not mounted yet, we cannot use cmp, then
+		# the following test fails.  In such case, we simply
+		# ignore an error and do update resolv.conf.
+		if cmp -s $tmpres /etc/resolv.conf; then
+			rm -f $tmpres
+			return 0
+		fi 2>/dev/null
+
+		# In case (e.g. during OpenBSD installs) /etc/resolv.conf
+		# is a symbolic link, take care to preserve the link and write
+		# the new data in the correct location.
+
+		if [ -f /etc/resolv.conf ]; then
+			cat /etc/resolv.conf > /etc/resolv.conf.save
+		fi
+		cat $tmpres > /etc/resolv.conf
+		rm -f $tmpres
+
+		# Try to ensure correct ownership and permissions.
+		chown -RL root:wheel /etc/resolv.conf
+		chmod -RL 644 /etc/resolv.conf
+
+		return 0
+	fi
+
+	return 1
+}
+
+# Must be used on exit.   Invokes the local dhcp client exit hooks, if any.
+exit_with_hooks() {
+	exit_status=$1
+	if [ -f /etc/dhclient-exit-hooks ]; then
+		. /etc/dhclient-exit-hooks
+	fi
+	# probably should do something with exit status of the local script
+	exit $exit_status
+}
+
+# Get the interface with the current ipv4 default route on it using only
+# commands that are available prior to /usr being mounted.
+is_default_interface()
+{
+	routeget="`route -n get -inet default`"
+	oldifs="$IFS"
+	IFS="
+"
+	defif=
+	for line in $routeget ; do
+		case $line in
+		*interface:*)
+			defif=${line##*: }
+			;;
+		esac
+	done
+	IFS=${oldifs}
+
+	if [ -z "$defif" -o "$defif" = "$interface" ]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+#
+# Start of active code.
+#
+
+# Invoke the local dhcp client enter hooks, if they exist.
+if [ -f /etc/dhclient-enter-hooks ]; then
+	exit_status=0
+	. /etc/dhclient-enter-hooks
+	# allow the local script to abort processing of this state
+	# local script must set exit_status variable to nonzero.
+	if [ $exit_status -ne 0 ]; then
+		exit $exit_status
+	fi
+fi
+
+case $reason in
+MEDIUM)
+	eval "$IFCONFIG $interface $medium"
+	eval "$IFCONFIG $interface inet -alias 0.0.0.0 $medium" >/dev/null 2>&1
+	sleep 1
+	;;
+
+PREINIT)
+	delete_old_alias
+	$IFCONFIG $interface inet alias 0.0.0.0 netmask 0.0.0.0 broadcast 255.255.255.255 up
+	;;
+
+ARPCHECK|ARPSEND)
+	;;
+
+BOUND|RENEW|REBIND|REBOOT)
+	check_hostname
+	if [ -n "$old_ip_address" ]; then
+		if [ "$old_ip_address" != "$alias_ip_address" ]; then
+			delete_old_alias
+		fi
+		if [ "$old_ip_address" != "$new_ip_address" ]; then
+			delete_old_address
+			delete_old_routes
+		fi
+	fi
+	if [ "$reason" = BOUND ] || \
+	   [ "$reason" = REBOOT ] || \
+	   [ -z "$old_ip_address" ] || \
+	   [ "$old_ip_address" != "$new_ip_address" ]; then
+		add_new_address
+		add_new_routes
+	fi
+	if [ "$new_ip_address" != "$alias_ip_address" ]; then
+		add_new_alias
+	fi
+	if is_default_interface; then
+		add_new_resolv_conf
+	fi
+	;;
+
+EXPIRE|FAIL)
+	delete_old_alias
+	if [ -n "$old_ip_address" ]; then
+		delete_old_address
+		delete_old_routes
+	fi
+	if [ -x $ARP ]; then
+		$ARP -d -a -i $interface
+	fi
+	# XXX Why add alias we just deleted above?
+	add_new_alias
+	if is_default_interface; then
+		if [ -f /etc/resolv.conf.save ]; then
+			cat /etc/resolv.conf.save > /etc/resolv.conf
+		fi
+	fi
+	;;
+
+TIMEOUT)
+	delete_old_alias
+	add_new_address
+	sleep 1
+	if [ -n "$new_routers" ]; then
+		$LOGGER "New Routers ($interface): $new_routers"
+		set "$new_routers"
+		if ping -q -c 1 -t 1 "$1"; then
+			if [ "$new_ip_address" != "$alias_ip_address" ]; then
+				add_new_alias
+			fi
+			add_new_routes
+			if ! is_default_interface; then
+				exit_with_hooks 0
+			fi
+			if add_new_resolv_conf; then
+				exit_with_hooks 0
+			fi
+		fi
+	fi
+	eval "$IFCONFIG $interface inet -alias $new_ip_address $medium"
+	delete_old_routes
+	exit_with_hooks 1
+	;;
+esac
+
+exit_with_hooks 0

release/picobsd/qemu/PICOBSD

@@ -0,0 +1,122 @@
+#
+# $FreeBSD$
+# A configuration file to run tests on qemu.
+# We disable SMP because it does not work well with qemu, and set HZ=1000
+# to avoid it being overridden.
+#
+# Line starting with #PicoBSD contains PicoBSD build parameters
+#marker         def_sz  init    MFS_inodes      floppy_inodes
+#PicoBSD	8000	init	8192		32768
+options MD_ROOT_SIZE=8000      # same as def_sz
+
+hints	"PICOBSD.hints"
+
+# values accessible through getenv()
+# env		"PICOBSD.env"
+
+#cpu		I486_CPU
+cpu		I586_CPU
+cpu		I686_CPU
+ident		PICOBSD
+
+#options		SMP
+#device	apic
+
+options		SCHED_4BSD		# mandatory to have one scheduler
+#options	MATH_EMULATE		#Support for x87 emulation
+options 	INET			#InterNETworking
+#options	INET6
+options 	FFS			#Berkeley Fast Filesystem
+#options	BOOTP			#Use BOOTP to obtain IP address/hostname
+options 	MD_ROOT			#MD is a potential root device
+
+#options	NFS			#Network Filesystem
+#options	NFS_ROOT		#NFS usable as root device, NFS required
+
+#options 	MSDOSFS			#MSDOS Filesystem
+#options 	CD9660			#ISO 9660 Filesystem
+#options 	CD9660_ROOT		#CD-ROM usable as root, CD9660 required
+#options	DEVFS			#Device Filesystem
+#options 	PROCFS			#Process filesystem
+options		COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
+
+options		KDB
+options		DDB
+
+options		IPFIREWALL
+options		IPFIREWALL_DEFAULT_TO_ACCEPT
+options		IPDIVERT		# divert (for natd)
+
+# Support for bridging and bandwidth limiting
+options		DUMMYNET
+device		if_bridge
+# Running with less than 1000 seems to give poor timing on
+# qemu, so we set HZ explicitly.
+options		HZ=1000
+
+device		random			# used by ssh
+device		pci
+
+# Floppy drives
+device		fdc
+
+# ATA and ATAPI devices
+#device		ata
+#device		atadisk			# ATA disk drives
+#device		atapicd			# ATAPI CDROM drives
+#options		ATA_STATIC_ID		#Static device numbering
+
+# atkbdc0 controls both the keyboard and the PS/2 mouse
+device		atkbdc			# At keyboard controller
+device		atkbd
+#device		psm			# do we need the mouse ??
+
+device		vga			# VGA screen
+
+# syscons is the default console driver, resembling an SCO console
+device		sc
+
+# Serial (COM) ports
+device		uart
+
+# Audio support
+#device		pcm
+
+# PCCARD (PCMCIA) support
+#device		card		# pccard bus
+#device		pcic		# PCMCIA bridge
+
+# Parallel port
+#device		ppc
+#device		ppbus		# Parallel port bus (required)
+#device		lpt		# Printer
+#device		plip		# TCP/IP over parallel
+#device		ppi		# Parallel port interface device
+
+#
+# The following Ethernet NICs are all PCI devices.
+#
+device	miibus 
+device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
+device		nfe		# nVidia nForce MCP on-board Ethernet
+#device		xl		# 3Com
+device		rl		# RealTek 8129/8139
+device		re		# RealTek 8139C+/8169/8169S/8110S
+device		sis		# National/SiS
+device		dc		# DEC/Intel 21143 and various workalikes
+device		ed
+
+device		loop		# Network loopback
+device		ether		# Ethernet support
+device		tun		# Packet tunnel.
+device		pty		# Pseudo-ttys (telnet etc)
+device		md		# Memory "disks"
+#device		gif	4	# IPv6 and IPv4 tunneling
+#device		faith	1	# IPv6-to-IPv4 relaying (translation)
+device		tap
+
+#options               DEVICE_POLLING
+
+# The `bpf' device enables the Berkeley Packet Filter.
+# Be aware of the administrative consequences of enabling this!
+device		bpf		# Berkeley packet filter

release/picobsd/qemu/PICOBSD.hints

@@ -0,0 +1,39 @@
+# $FreeBSD$
+hint.fdc.0.at="isa"
+hint.fdc.0.port="0x3F0"
+hint.fdc.0.irq="6"
+hint.fdc.0.drq="2"
+hint.fd.0.at="fdc0"
+hint.fd.0.drive="0"
+hint.ata.0.at="isa"
+hint.ata.0.port="0x1F0"
+hint.ata.0.irq="14"
+hint.ata.1.at="isa"
+hint.ata.1.port="0x170"
+hint.ata.1.irq="15"
+hint.atkbdc.0.at="isa"
+hint.atkbdc.0.port="0x060"
+hint.atkbd.0.at="atkbdc"
+hint.atkbd.0.irq="1"
+hint.psm.0.at="atkbdc"
+hint.psm.0.irq="12"
+hint.vga.0.at="isa"
+hint.sc.0.at="isa"
+hint.npx.0.at="nexus"
+hint.npx.0.port="0x0F0"
+hint.npx.0.irq="13"
+hint.uart.0.at="isa"
+hint.uart.0.port="0x3F8"
+hint.uart.0.flags="0x10"
+hint.uart.0.irq="4"
+hint.uart.1.at="isa"
+hint.uart.1.port="0x2F8"
+hint.uart.1.irq="3"
+hint.ed.0.at="isa"
+hint.ed.0.port="0x280"
+hint.ed.0.irq="5"
+hint.ed.0.maddr="0xd8000"
+hint.ed.1.at="isa"
+hint.ed.1.port="0x300"
+hint.ed.1.irq="5"
+hint.ed.1.maddr="0xd0000"

release/picobsd/qemu/config

@@ -0,0 +1,6 @@
+# configuration for picobsd build script.
+# $FreeBSD$
+# it should only contain variable definitions -- it is sourced
+# by the shell much like rc.conf* files
+
+fd_size="4096"

release/picobsd/qemu/crunch.conf

@@ -0,0 +1,192 @@
+#
+# $FreeBSD$
+#
+# Configuration file for "qemu" images..
+#
+# Depending on your needs, you will almost surely need to
+# add/remove/change programs according to your needs.
+# Remember that some programs require matching kernel options to
+# enable device drivers etc.
+#
+# To figure out how much space is used by each program, do
+#
+#	size build_dir-bridge/crunch/*lo
+#
+# Remember that programs require libraries, which add up to the
+# total size. The final binary is build_dir-bridge/mfs.tree/stand/crunch
+# and you can check which libraries it uses with
+#
+#	ldd build_dir-bridge/mfs.tree/stand/crunch
+
+# crunchgen configuration to build the crunched binary, see "man crunchgen"
+# We need to specify generic build options, the places where to look
+# for sources, and the list of program and libraries we want to put
+# in the crunched binary.
+#
+# NOTE: the string "/usr/src" below will be automatically replaced with
+# the path set in the 'build' script.
+
+# Default build options. Basically tell the Makefiles
+# that to use the most compact possible version of the code.
+
+buildopts -DNO_PAM -DRELEASE_CRUNCH -DPPP_NO_NETGRAPH
+buildopts -DTRACEROUTE_NO_IPSEC -DNO_INET6
+buildopts -DWITHOUT_IPX
+
+# Directories where to look for sources of various binaries.
+# @__CWD__@ is a magic keyword in the picobsd's (Makefile.conf)
+# which is replaced with the directory with the picobsd configuration
+# corresponding to your image. This way you can have custom sources
+# in that directory overriding system programs.
+
+srcdirs @__CWD__@/src
+
+# Some programs are especially written for PicoBSD and reside in
+# release/picobsd/tinyware.
+# Put this entry near the head of the list to override standard binaries.
+
+srcdirs /usr/src/release/picobsd/tinyware
+
+# Other standard locations for sources.
+# If a program uses its own source directory, add
+
+srcdirs /usr/src/bin
+srcdirs /usr/src/sbin/i386
+srcdirs /usr/src/sbin
+srcdirs /usr/src/usr.bin
+srcdirs /usr/src/gnu/usr.bin
+srcdirs /usr/src/usr.sbin
+srcdirs /usr/src/libexec
+
+# For programs that reside in different places, the best option
+# is to use the command "special XXX srcdir YYY" where XXX is the
+# program name and YYY is the directory path.
+# "special XXX ..." can be used to specify more options, see again
+# the crunchgen manpage.
+
+#--- Basic configuraton
+# init is always necessary (unless you have a replacement, oinit)
+progs init
+
+# fsck is almost always necessary, unless you have everything on the
+# image and use 'tar' or something similar to read/write raw blocks
+# from the floppy.
+
+progs fsck
+
+# ifconfig is needed if you want to configure interfaces.
+progs ifconfig
+
+# You will also need a shell and a bunch of utilities.
+# The standard shell is not that large, but you need many
+# external programs. In fact most of them do not take much space
+# as they merely issue a system call, and print the result.
+# For a more compact version of shell and utilities, you could
+# try busybox, however most system management commands in busybox
+# will not work as they use linux-specific interfaces.
+
+progs sh
+ln sh -sh
+
+# the small utilities
+progs echo
+progs pwd mkdir rmdir
+progs chmod chown
+ln chown chgrp
+progs mv ln cp rm ls
+progs cat tail tee
+progs test
+ln test [
+
+progs less
+ln less more
+progs mount
+progs minigzip
+ln minigzip gzip
+progs kill
+progs df
+progs ps
+progs ns	# this is the picobsd version
+ln ns netstat
+progs vm
+progs hostname
+progs login
+progs getty
+progs stty
+progs w
+progs msg
+ln msg dmesg
+progs reboot
+
+progs sysctl
+progs swapon
+progs pwd_mkdb
+progs umount
+progs du
+progs passwd
+
+progs route
+
+# If you want to run natd, remember the alias library
+progs natd
+libs_so -lalias # natd
+progs tcpdump
+special tcpdump srcdir /usr/src/usr.sbin/tcpdump/tcpdump
+libs_so -lpcap # used by tcpdump
+
+# ppp is rather large. Note that as of Jan.01, RELEASE_CRUNCH
+# makes ppp not use libalias, so you cannot have aliasing.
+#progs ppp
+
+# You need an editor. ee is relatively small, though there are
+# smaller ones. vi is much larger.
+# The editor also usually need a curses library.
+progs ee
+
+progs arp
+
+# these require libgeom
+# progs bsdlabel fdisk mdconfig
+
+progs kldload kldunload kldstat
+progs kldxref
+progs grep
+libs_so -lgnuregex -lbz2
+# dhclient-script requires 'sed'
+progs dhclient
+progs sed
+progs date
+progs time
+progs ping
+#progs routed
+progs ipfw
+progs traceroute
+progs mdmfs
+ln mdmfs mount_mfs
+# Various filesystem support -- remember to enable the kernel parts
+# progs mount_msdosfs
+progs mount_nfs
+# progs mount_cd9660
+ln mount_nfs nfs
+ln mount_cd9660 cd9660
+#progs newfs
+#ln newfs mount_mfs
+# ln mount_msdosfs msdos
+
+# For a small ssh client/server use dropbear
+
+# Now the libraries
+libs_so	-lc		# the C library
+libs_so -ll		# used by sh (really ?)
+libs_so -lufs		# used by mount
+### ee uses ncurses but as a dependency
+#libs_so -lncurses
+libs_so -lm
+libs_so -ledit -lutil
+libs_so -lcrypt
+libs_so -lkvm
+libs_so -lz
+libs_so -lbsdxml
+libs_so -lsbuf
+libs_so -ljail	# used by ifconfig
+libs_so -lulog

release/picobsd/qemu/floppy.tree.exclude

@@ -0,0 +1,2 @@
+etc/snmpd.conf
+etc/ppp