[Xen-devel] Re: [PATCH] install.sh: install as root?with?reasonablepermissions

[Horms <horms@xxxxxxxxxxxx>]

[Applologies if this is a duplicate, I thought I sent it earlier today,
 but it seems to have gone into a black hole, pobably between keyboard
 and chair]

In article <dmogfd$6sb$1@xxxxxxxxxxxxx> you wrote:
> Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> wrote:
>> 
>>> I played around with a few other ideas and I think that the 
>>> /tmp option is a clean and easy solution. Here is a patch 
>>> that does this.
>> 
>> If this is well tested, and no one else can think of any drawbacks, I
>> suggest we apply.
> 
> Well, I did test it, though I'm not sure if that counts as well tested.

Hi, 

I'd like to resubmit this patch for consideration. I have been using it
without event in a variety of environments since I originally posted it
in December.

-- 
Horms

# HG changeset patch
# User Horms <horms@xxxxxxxxxxxx>
# Node ID 5487bd2d2bfc01f0b113d410c5923e736be7fa1c
# Parent  9794d56f1b45132d6e3480630d754224cb373814
[INSTALL] Fix owner and permissions for installed files

Make sure that installed files have sensible permissions
and are owned by the user running install, presumably root.

Without this patch, if the user that does the build has
a restrictive umask, say 0077, and the install is done into /,
then /lib, will become only accessible to that user.

Signed-Off-By: Horms <horms@xxxxxxxxxxxx>

diff -r 9794d56f1b45 -r 5487bd2d2bfc install.sh
--- a/install.sh        Fri Dec 16 02:12:45 2005
+++ b/install.sh        Fri Dec 16 02:14:09 2005
@@ -22,19 +22,28 @@
   exit 1
 fi
 
+tmp="`mktemp -d`"
+
 echo "Installing Xen from '$src' to '$dst'..."
-(cd $src; tar -cf - --exclude etc/init.d --exclude etc/hotplug --exclude 
etc/udev * ) | tar -C $dst -xf -
-cp -fdRL $src/etc/init.d/* $dst/etc/init.d/
+(cd $src; tar -cf - --exclude etc/init.d --exclude etc/hotplug --exclude 
etc/udev * ) | tar -C "$tmp" -xf -
+mkdir -p "$tmp"/etc/init.d/
+cp -fdRL $src/etc/init.d/* "$tmp"/etc/init.d/
 echo "All done."
 
 [ -x "$(which udevinfo)" ] && \
   UDEV_VERSION=$(udevinfo -V | sed -e 's/^[^0-9]* 
\([0-9]\{1,\}\)[^0-9]\{0,\}/\1/')
 
 if [ -n "$UDEV_VERSION" ] && [ $UDEV_VERSION -ge 059 ]; then
-  cp -f $src/etc/udev/rules.d/*.rules $dst/etc/udev/rules.d/
+  mkdir -p "$tmp/etc/udev/rules.d/"
+  cp -f $src/etc/udev/rules.d/*.rules "$tmp/etc/udev/rules.d/"
 else
-  cp -f $src/etc/hotplug/*.agent $dst/etc/hotplug/
+  mkdir -p "$tmp/etc/hotplug/"
+  cp -f $src/etc/hotplug/*.agent "$tmp/etc/hotplug/"
 fi
+
+chmod -R a+rX "$tmp"
+(cd $tmp; tar -cf - *) | tar --no-same-owner -C "$dst" -xf -
+rm -r "$tmp"
 
 echo "Checking to see whether prerequisite tools are installed..."
 cd $src/../check


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