>Number: 180078
>Category: conf
>Synopsis: [PATCH] make /etc and /var writable on CD media
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>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:
>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:
>Unformatted:
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