From nobody@FreeBSD.org  Sat Jun 29 03:13:02 2013
Return-Path: <nobody@FreeBSD.org>
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1])
	by hub.freebsd.org (Postfix) with ESMTP id 8F6283C7
	for <freebsd-gnats-submit@FreeBSD.org>; Sat, 29 Jun 2013 03:13:02 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from oldred.freebsd.org (oldred.freebsd.org [8.8.178.121])
	by mx1.freebsd.org (Postfix) with ESMTP id 81D22134C
	for <freebsd-gnats-submit@FreeBSD.org>; Sat, 29 Jun 2013 03:13:02 +0000 (UTC)
Received: from oldred.freebsd.org ([127.0.1.6])
	by oldred.freebsd.org (8.14.5/8.14.7) with ESMTP id r5T3D1Qi005194
	for <freebsd-gnats-submit@FreeBSD.org>; Sat, 29 Jun 2013 03:13:01 GMT
	(envelope-from nobody@oldred.freebsd.org)
Received: (from nobody@localhost)
	by oldred.freebsd.org (8.14.5/8.14.5/Submit) id r5T3D1KY005152;
	Sat, 29 Jun 2013 03:13:01 GMT
	(envelope-from nobody)
Message-Id: <201306290313.r5T3D1KY005152@oldred.freebsd.org>
Date: Sat, 29 Jun 2013 03:13:01 GMT
From: Garrett Cooper <yaneurabeya@gmail.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: [PATCH] make /etc and /var writable on CD media
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         180078
>Category:       conf
>Synopsis:       [patch] mkisoimages.sh(8): make /etc and /var writable on CD media
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    re
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jun 29 03:20:00 UTC 2013
>Closed-Date:    
>Last-Modified:  Sun May 04 03:40:52 UTC 2014
>Originator:     Garrett Cooper
>Release:        10-CURRENT
>Organization:
EMC Isilon
>Environment:
FreeBSD fuji-current.local 10.0-CURRENT FreeBSD 10.0-CURRENT #3 r+b278358-dirty: Sun Jun  9 16:05:39 PDT 2013     root@fuji-current.local:/usr/obj/usr/src/sys/FUJI-NOCOMPAT  i386
>Description:
The attached patch makes /etc/ and /var/ writable via /etc/rc.initdiskless which allows me to use /etc and /var as volatile filesystems [until reboot], accomplishing some of the following basic tasks:

- Starting the hostid service (needed for doing things with ZFS).
- Starting sshd (otherwise it can't write out keys to /etc/ssh/ .
- Setting passwords / adding custom users.
- Start dhclient (dhclient requires write access to /etc/resolv.conf and /var/run/{interface}.leases

Etc.
>How-To-Repeat:

>Fix:


Patch attached with submission follows:

diff --git a/release/amd64/mkisoimages.sh b/release/amd64/mkisoimages.sh
index e4093d7..6ae3713 100644
--- a/release/amd64/mkisoimages.sh
+++ b/release/amd64/mkisoimages.sh
@@ -40,6 +40,15 @@ LABEL=`echo $1 | tr '[:lower:]' '[:upper:]'`; shift
 NAME=$1; shift
 
 publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
+dirs="etc var"
+for d in $dirs; do
+	mkdir -p $1/conf/base/$d/
+	echo "30720" > $1/conf/base/$d/md_size
+	tar cf - -C $1/$d/ . | tar xpvf - -C $1/conf/base/$d/
+done
+: > $1/etc/diskless
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
+chflags -R 0 $1/conf
+rm -Rf $1/conf
 rm $1/etc/fstab
diff --git a/release/i386/mkisoimages.sh b/release/i386/mkisoimages.sh
index e4093d7..6ae3713 100644
--- a/release/i386/mkisoimages.sh
+++ b/release/i386/mkisoimages.sh
@@ -40,6 +40,15 @@ LABEL=`echo $1 | tr '[:lower:]' '[:upper:]'`; shift
 NAME=$1; shift
 
 publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
+dirs="etc var"
+for d in $dirs; do
+	mkdir -p $1/conf/base/$d/
+	echo "30720" > $1/conf/base/$d/md_size
+	tar cf - -C $1/$d/ . | tar xpvf - -C $1/conf/base/$d/
+done
+: > $1/etc/diskless
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
+chflags -R 0 $1/conf
+rm -Rf $1/conf
 rm $1/etc/fstab
diff --git a/release/ia64/mkisoimages.sh b/release/ia64/mkisoimages.sh
index b5cec32..7d8c27a 100644
--- a/release/ia64/mkisoimages.sh
+++ b/release/ia64/mkisoimages.sh
@@ -76,8 +76,17 @@ else
 fi
 
 publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
+dirs="etc var"
+for d in $dirs; do
+	mkdir -p $1/conf/base/$d/
+	echo "30720" > $1/conf/base/$d/md_size
+	tar cf - -C $1/$d/ . | tar xpvf - -C $1/conf/base/$d/
+done
+: > $1/etc/diskless
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $BASE/etc/fstab
 makefs -t cd9660 $BOOTOPTS -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $BASE $*
+chflags -R 0 $1/conf
+rm -Rf $1/conf
 rm $BASE/etc/fstab
 rm -f $EFIPART
 exit 0
diff --git a/release/pc98/mkisoimages.sh b/release/pc98/mkisoimages.sh
index 5a19b4d..803f936 100644
--- a/release/pc98/mkisoimages.sh
+++ b/release/pc98/mkisoimages.sh
@@ -40,6 +40,15 @@ LABEL=`echo $1 | tr '[:lower:]' '[:upper:]'`; shift
 NAME=$1; shift
 
 publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
+dirs="etc var"
+for d in $dirs; do
+	mkdir -p $1/conf/base/$d/
+	echo "30720" > $1/conf/base/$d/md_size
+	tar cf - -C $1/$d/ . | tar xpvf - -C $1/conf/base/$d/
+done
+: > $1/etc/diskless
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
+chflags -R 0 $1/conf
+rm -Rf $1/conf
 rm $1/etc/fstab
diff --git a/release/powerpc/mkisoimages.sh b/release/powerpc/mkisoimages.sh
index 7ba4649..0117ca6 100644
--- a/release/powerpc/mkisoimages.sh
+++ b/release/powerpc/mkisoimages.sh
@@ -62,8 +62,17 @@ LABEL=`echo $1 | tr '[:lower:]' '[:upper:]'`; shift
 NAME=$1; shift
 
 publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
+dirs="etc var"
+for d in $dirs; do
+	mkdir -p $1/conf/base/$d/
+	echo "30720" > $1/conf/base/$d/md_size
+	tar cf - -C $1/$d/ . | tar xpvf - -C $1/conf/base/$d/
+done
+: > $1/etc/diskless
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
+chflags -R 0 $1/conf
+rm -Rf $1/conf
 rm $1/etc/fstab
 rm /tmp/hfs-boot-block
 rm -rf $1/ppc
diff --git a/release/sparc64/mkisoimages.sh b/release/sparc64/mkisoimages.sh
index 82cadab..c2f9fc4 100644
--- a/release/sparc64/mkisoimages.sh
+++ b/release/sparc64/mkisoimages.sh
@@ -35,8 +35,17 @@ NAME=$1; shift
 
 # Create an ISO image
 publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
+dirs="etc var"
+for d in $dirs; do
+	mkdir -p $1/conf/base/$d/
+	echo "30720" > $1/conf/base/$d/md_size
+	tar cf - -C $1/$d/ . | tar xpvf - -C $1/conf/base/$d/
+done
+: > $1/etc/diskless
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 makefs -t cd9660 -B be -o rockridge -o label="$LABEL" -o publisher="$publisher" ${NAME}.tmp $*
+chflags -R 0 $1/conf
+rm -Rf $1/conf
 rm $1/etc/fstab
 
 if [ "x$BOPT" != "x-b" ]; then


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->re 
Responsible-Changed-By: gjb 
Responsible-Changed-When: Sat Jun 29 03:30:15 UTC 2013 
Responsible-Changed-Why:  
re@ territory. 


http://www.freebsd.org/cgi/query-pr.cgi?pr=180078 

From: Garrett Cooper <yaneurabeya@gmail.com>
To: bug-followup@FreeBSD.org,
 yaneurabeya@gmail.com
Cc: Glen Barber <gjb@FreeBSD.org>
Subject: Re: conf/180078: [PATCH] make /etc and /var writable on CD media
Date: Thu, 4 Jul 2013 18:09:12 -0700

 --Apple-Mail=_AB391F4A-495F-4C6C-B77B-CC3AA7E289EF
 Content-Transfer-Encoding: quoted-printable
 Content-Type: text/plain;
 	charset=us-ascii
 
 	Here's a more functional patch that applies the same set of =
 basic logic as nanobsd.sh does to make /etc and /var writable.
 Cheers,
 -Garrett
 
 --Apple-Mail=_AB391F4A-495F-4C6C-B77B-CC3AA7E289EF
 Content-Disposition: attachment;
 	filename=writable-etc-and-var-on-iso-images.patch
 Content-Type: application/octet-stream;
 	x-unix-mode=0644;
 	name="writable-etc-and-var-on-iso-images.patch"
 Content-Transfer-Encoding: 7bit
 
 diff --exclude Makefile --exclude release.sh --exclude '*doc*' -I '\$FreeBSD.*\$' -Naur release/amd64/mkisoimages.sh release/amd64/mkisoimages.sh
 --- release/amd64/mkisoimages.sh	2013-05-16 10:50:42.000000000 -0700
 +++ release/amd64/mkisoimages.sh	2013-06-28 21:33:20.000000000 -0700
 @@ -41,5 +41,18 @@
  
  publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
  echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 +dirs="etc var"
 +(
 +cd $1
 +for d in $dirs; do
 +	mkdir -p conf/base/$d/
 +	echo "30720" > conf/base/$d/md_size
 +	find $d | cpio -dumpl conf/base/
 +done
 +)
 +: > $1/etc/diskless
 +echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
  makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
 +chflags -R 0 $1/conf
 +rm -Rf $1/conf
  rm $1/etc/fstab
 diff --exclude Makefile --exclude release.sh --exclude '*doc*' -I '\$FreeBSD.*\$' -Naur release/i386/mkisoimages.sh release/i386/mkisoimages.sh
 --- release/i386/mkisoimages.sh	2013-05-16 10:50:42.000000000 -0700
 +++ release/i386/mkisoimages.sh	2013-06-28 21:33:20.000000000 -0700
 @@ -41,5 +41,17 @@
  
  publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
  echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 +dirs="etc var"
 +(
 +cd $1
 +for d in $dirs; do
 +	mkdir -p conf/base/$d/
 +	echo "30720" > conf/base/$d/md_size
 +	find $d | cpio -dumpl conf/base/
 +done
 +)
 +: > $1/etc/diskless
  makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
 +chflags -R 0 $1/conf
 +rm -Rf $1/conf
  rm $1/etc/fstab
 diff --exclude Makefile --exclude release.sh --exclude '*doc*' -I '\$FreeBSD.*\$' -Naur release/ia64/mkisoimages.sh release/ia64/mkisoimages.sh
 --- release/ia64/mkisoimages.sh	2013-05-16 10:50:42.000000000 -0700
 +++ release/ia64/mkisoimages.sh	2013-07-04 14:08:38.000000000 -0700
 @@ -77,7 +77,19 @@
  
  publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
  echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $BASE/etc/fstab
 +dirs="etc var"
 +(
 +cd $BASE
 +for d in $dirs; do
 +	mkdir -p conf/base/$d/
 +	echo "30720" > conf/base/$d/md_size
 +	find $d | cpio -dumpl conf/base/
 +done
 +)
 +: > $BASE/etc/diskless
  makefs -t cd9660 $BOOTOPTS -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $BASE $*
 +chflags -R 0 $1/conf
 +rm -Rf $1/conf
  rm $BASE/etc/fstab
  rm -f $EFIPART
  exit 0
 diff --exclude Makefile --exclude release.sh --exclude '*doc*' -I '\$FreeBSD.*\$' -Naur release/pc98/mkisoimages.sh release/pc98/mkisoimages.sh
 --- release/pc98/mkisoimages.sh	2013-05-16 10:50:42.000000000 -0700
 +++ release/pc98/mkisoimages.sh	2013-06-28 21:33:20.000000000 -0700
 @@ -41,5 +41,17 @@
  
  publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
  echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 +dirs="etc var"
 +(
 +cd $1
 +for d in $dirs; do
 +	mkdir -p conf/base/$d/
 +	echo "30720" > conf/base/$d/md_size
 +	find $d | cpio -dumpl conf/base/
 +done
 +)
 +: > $1/etc/diskless
  makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
 +chflags -R 0 $1/conf
 +rm -Rf $1/conf
  rm $1/etc/fstab
 diff --exclude Makefile --exclude release.sh --exclude '*doc*' -I '\$FreeBSD.*\$' -Naur release/powerpc/mkisoimages.sh release/powerpc/mkisoimages.sh
 --- release/powerpc/mkisoimages.sh	2013-05-16 10:50:42.000000000 -0700
 +++ release/powerpc/mkisoimages.sh	2013-06-28 21:33:20.000000000 -0700
 @@ -63,7 +63,19 @@
  
  publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
  echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 +dirs="etc var"
 +(
 +cd $1
 +for d in $dirs; do
 +	mkdir -p conf/base/$d/
 +	echo "30720" > conf/base/$d/md_size
 +	find $d | cpio -dumpl conf/base/
 +done
 +)
 +: > $1/etc/diskless
  makefs -t cd9660 $bootable -o rockridge -o label=$LABEL -o publisher="$publisher" $NAME $*
 +chflags -R 0 $1/conf
 +rm -Rf $1/conf
  rm $1/etc/fstab
  rm /tmp/hfs-boot-block
  rm -rf $1/ppc
 diff --exclude Makefile --exclude release.sh --exclude '*doc*' -I '\$FreeBSD.*\$' -Naur release/sparc64/mkisoimages.sh release/sparc64/mkisoimages.sh
 --- release/sparc64/mkisoimages.sh	2013-05-16 10:50:42.000000000 -0700
 +++ release/sparc64/mkisoimages.sh	2013-06-28 21:33:20.000000000 -0700
 @@ -36,7 +36,19 @@
  # Create an ISO image
  publisher="The FreeBSD Project.  http://www.FreeBSD.org/"
  echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > $1/etc/fstab
 +dirs="etc var"
 +(
 +cd $1
 +for d in $dirs; do
 +	mkdir -p conf/base/$d/
 +	echo "30720" > conf/base/$d/md_size
 +	find $d | cpio -dumpl conf/base/
 +done
 +)
 +: > $1/etc/diskless
  makefs -t cd9660 -B be -o rockridge -o label="$LABEL" -o publisher="$publisher" ${NAME}.tmp $*
 +chflags -R 0 $1/conf
 +rm -Rf $1/conf
  rm $1/etc/fstab
  
  if [ "x$BOPT" != "x-b" ]; then
 
 --Apple-Mail=_AB391F4A-495F-4C6C-B77B-CC3AA7E289EF--
>Unformatted:
