Mail Archives: cygwin/2005/12/19/12:37:48
Hi All...
I see the broken links on any machine I use. I run as a restricted user,
except when I am installing or updating software. Here is the way I do the
initial install (to prevent permissions leaks)...
define CYGWIN=tty for system
add C:\Cygwin\bin to PATH for system
create C:\Cygwin directory
set C:\Cygwin ownership and full access for administrators
and disable inheriting permissions from C:\
install Cygwin with setup.exe
.
.
.
Then each time that I update using setup, I have to reset the permissions
(and mount points-I use system mounts, binary for all except cygdrive, which
is text). So after running setup each time, I run this script (with no
services running)
#!/bin/bash
echo Setting up Cygwin mount points
cygwin-mount-points <<---- This works fine
echo "Globally changing ownership and permissions (except /dev /home /proc)"
cd /
chown administrators.none .
chmod 0755 .
for item in /* ; do
if [ "$item" != /dev -a "$item" != /proc ]; then
if [ -d "$item" ]; then
if [ "$item" != /home ]; then
chmod -R 0755 "$item" > /dev/null 2>&1
chown -R administrators.none "$item"
chmod -R 0555 "$item" <<---- this is a workaround for the
symlink problem
chmod -R 0755 "$item"
fi
else
chown administrators.none "$item"
chmod 0755 "$item"
fi
fi
done
echo Fixing up /etc
rm -f /etc/ssh_host_key
rm -f /etc/ssh_host_key.pub
rm -f /etc/ssh_host_dsa_key
rm -f /etc/ssh_host_dsa_key.pub
chmod 0600 /etc/ssh*
chown system.none /etc/ssh*
echo Fixing up /home
chown administrators.none /home
chmod 0755 /home
echo Fixing up /tmp
chmod 1777 /tmp
rm -fr /tmp/* >/dev/null 2>&1
echo Fixing up /var
chown system.none /var/empty
chmod 1777 /var/log
rm -f /var/log/agent*.log
chmod 0777 /var/log/lastlog
rm -f /var/log/OpenSSH.log
chmod 1777 /var/tmp
I am using the version of setup that is currently on the Cygwin web page.
Which chmod and which chown report /usr/bin/chmod and /usr/bin/chown
respectively. For the sequence I reported yesterday, I was running as
administrator.
Thanks,
...Karl
>From: Corinna Vinschen Subject: Re: setup/symlinks/gcc/chown question
>Date: Mon, 19 Dec 2005 13:12:26 +0100
>
>On Dec 18 15:51, Karl M wrote:
> > Hi All...
> >
> > It appears to be file permissions related. The link being broken looks
>like
> > it is because the read only bit on the shortcut file (the .lnk file) is
> > getting turned off. Even though this first getfacl shows write access,
>the
> > read only box in the windows properties is checked. after the chown -h
>the
> > windows properties box says not a valid link. After the chmod -R 755,
>the
> > windows properties shows it as a valid shortcut, but the read only box
>is
> > unchecked. After a chmod -R 555, the read only box is checked and Cygwin
> > thinks it is a symlink again.
> > [...]
>
>Still, I can't reproduce this. I tried all variations I could think of,
>but I couldn't break the symlink using Cygwin coreutils chmod and chown
>tools. The only way I was able to break the symlink was by using the
>native Windows tool "attrib" to reset the readonly bit.
>
>Are you sure you're using Cygwin's chmod/chown? Did you try to run them
>under strace and see what happens?
>
>
>Corinna
>
>--
>Corinna Vinschen Please, send mails regarding Cygwin to
>Cygwin Project Co-Leader cygwin AT cygwin DOT com
>Red Hat
>
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