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Re: New Setup for Cygwin 1.7 on cygwin.com


Charles Wilson wrote:
> 
> Vista + UAC + cygwin seems a bit...flaky.

Yep.

I moved my old cygwin-1.7 installation and reinstalled. This time, I did
nothing special -- I did /not/ prepare the C:\cygwin-1.7 directory in
advance (e.g. create the directory and then edit its security settings).

This is on Vista, with UAC enabled.

I ran setup-1.7 as Administrator (while logged in to my normal user
account, which is not a member of the Administrators group). I got the
privilege elevation prompt, and typed in the password.

The installation seemed to go fine.

However, when I launched cygwin as my normal self, I got some errors
from my .bashrc:

bash: cannot create temp file for here document: Permission denied
rm: cannot remove `/c/Users/self/.keychain/mymachine-lockf': Permission
denied

Here are some relevant perms:

$ ls -l /
total 526K
----r-x---+  1 Administrator Users      61 Aug 15 17:16 Cygwin.bat*
----r-x---+  1 Administrator Users    6.9K Aug 15 18:11 Cygwin.ico*
d---r-x---+  1 Administrator Users    384K Aug 15 17:55 bin/
d---------+  1 ????????      ????????  20K Aug 15 17:14 c/
d--x--x--x   4 self          None        0 Nov 30  2006 cygdrive/
drwxr-xr-x+  1 self          None      16K Aug 15 16:14 desktop/
drwxrwxr-x+  1 Administrator Users       0 Aug 15 17:16 dev/
drwxrwxr-x+  1 Administrator Users    8.0K Aug 15 17:55 etc/
d---r-x---+  1 Administrator Users     80K Aug 15 17:55 lib/
drwx------+  1 self          None     4.0K May 24 00:20 mydocs/
dr-xr-xr-x  12 self          None        0 Nov 30  2006 proc/
d---r-x---+  1 Administrator Users       0 Aug 15 17:52 sbin/
lrwxrwxrwx   1 Administrator Users      17 Aug 15 17:16 terminfo ->
../share/terminfo
drwxrwxrwt+  1 Administrator Users       0 Aug 15 18:13 tmp/
d---r-x---+  1 Administrator Users    4.0K Aug 15 17:54 usr/
d---r-x---+  1 Administrator Users       0 Aug 15 17:16 var/

(the terminfo symlink is, I think, because the terminfo postinstall
script is running before the fstab is created, but that's just a guess,
and isn't what I'm concerned about here)

$ ls -l /etc
total 541K
-rw-rw-rw-  1 Administrator Users 4.4K Aug 15 17:16 DIR_COLORS
d---r-x---+ 1 Administrator Users 4.0K Aug 15 17:53 X11/
d---r-x---+ 1 Administrator Users 4.0K Aug 15 17:55 alternatives/
-rw-rw-rw-  1 Administrator None   301 Aug 15 17:16 bash.bashrc
-r-xr-x---  1 Administrator None   844 Aug 15 17:54 colordiffrc*
drwxr-xr-x+ 1 Administrator None     0 Aug 15 17:54 colorgcc/
-r-xr-x---  1 Administrator None  1.5K Aug 15 17:54 cygport.conf*
d---r-x---+ 1 Administrator Users    0 Aug 15 17:15 defaults/
-r-xr-x---  1 Administrator None  4.8K Aug 15 17:54 enscript.cfg*
d---r-x---+ 1 Administrator Users    0 Aug 15 17:50 fonts/
-rw-rw-rw-  1 Administrator None  3.3K Aug 15 17:16 fstab
drwxrwxrwt+ 1 Administrator None     0 Aug 15 18:13 fstab.d/
-rw-r--r--+ 1 Administrator None    14 Aug 15 17:25 ftpusers
-rw-r--r--+ 1 Administrator None    40 Aug 15 17:25 ftpwelcome
-rwxrwxrwx  1 Administrator Users  457 Aug 15 17:16 group*
drwxrwxrwx+ 1 Administrator None     0 Aug 15 17:54 gtk-2.0/
lrwxrwxrwx  1 Administrator None    37 Aug 15 17:16 hosts ->
/c/Windows/system32/drivers/etc/hosts*
-r-xr-x---  1 Administrator None   422 Aug 15 17:25 hosts.allow*
-r-xr-x---  1 Administrator None   225 Aug 15 17:25 hosts.deny*
-rw-r--r--+ 1 Administrator None  2.5K Aug 15 17:25 inetd.conf
drwxrwxr-x+ 1 Administrator Users    0 Aug 15 17:24 inetd.d/
-r-xr-x---  1 Administrator None  1.7K Aug 15 17:54 inittab*
-r-xr-x---  1 Administrator None  137K Aug 15 17:55 lynx.cfg*
----r-x---+ 1 Administrator Users 123K Jul 22 11:49 moduli*
-rw-r--r--+ 1 Administrator None  1.7K Aug 15 17:25 motd
lrwxrwxrwx  1 Administrator None    40 Aug 15 17:16 networks ->
/c/Windows/system32/drivers/etc/networks*
drwxrwxrwx+ 1 Administrator Users    0 Aug 15 17:54 pango/
-rwxrwxrwx  1 Administrator Users 1.3K Aug 15 17:16 passwd*
d---r-x---+ 1 Administrator Users  28K Aug 15 17:55 postinstall/
d---r-x---+ 1 Administrator Users  12K Aug 15 17:54 preremove/
-rw-rw-rw-  1 Administrator None  6.4K Aug 15 17:16 profile
d---r-x---+ 1 Administrator Users 4.0K Aug 15 17:53 profile.d/
lrwxrwxrwx  1 Administrator None    40 Aug 15 17:16 protocols ->
/c/Windows/system32/drivers/etc/protocol*
d---r-x---+ 1 Administrator Users 4.0K Aug 15 17:54 rc.d/
lrwxrwxrwx  1 Administrator None    40 Aug 15 17:16 services ->
/c/Windows/system32/drivers/etc/services*
d---r-x---+ 1 Administrator Users 128K Aug 15 17:53 setup/
-rw-r--r--+ 1 Administrator None   138 Aug 15 17:25 shells
d---r-x---+ 1 Administrator Users    0 Aug 15 17:16 skel/
d---r-x---+ 1 Administrator Users    0 Aug 15 17:52 ssmtp/
d---r-x---+ 1 Administrator Users    0 Aug 15 17:54 sysconfig/
-rw-r--r--+ 1 Administrator None   368 Aug 15 17:25 syslog.conf
----r-x---+ 1 Administrator Users  15K Aug 15 17:55 termcap*
d---r-x---+ 1 Administrator Users    0 Aug 15 17:52 terminfo/
----r-x---+ 1 Administrator Users 4.2K Jun  4 12:32 wgetrc*
-rwxr-xr-x  1 Administrator None   298 Nov 10  2002 xinetd.conf*
drwxr-xr-x+ 1 Administrator None  4.0K Nov  9  2002 xinetd.d/

$ (cd ~/.. && ls -ld *)
drwxr-xr-x+ 1 SYSTEM         SYSTEM    12K Jul 22 22:55 Administrator/
lrwxrwxrwx  1 SYSTEM         SYSTEM     23 Nov  2  2006 All Users ->
/cygdrive/c/ProgramData/
drwxr-xr-x+ 1 Administrators ???????? 8.0K Nov  2  2006 Default/
lrwxrwxrwx  1 SYSTEM         SYSTEM     25 Nov  2  2006 Default User ->
/cygdrive/c/Users/Default/
drwxr-xr-x  1 self           None        0 Apr 26 21:43 HP_Admin/
drwx------+ 1 Administrators ???????? 4.0K Mar 18 14:31 Public/
drwxr-xr-x+ 1 SYSTEM         SYSTEM    16K Aug  7 19:45 self   /
drwxr-xr-x  1 self           None        0 Apr 25 14:51 cyg_server/
-rwxr-xr-x+ 1 SYSTEM         SYSTEM    174 May 24 14:51 desktop.ini*

(I have no idea why self owns the HP_Admin and cyg_server home
directories. That's just bizarre).

$ getfacl ~
# file: /c/Users/self
# owner: SYSTEM
# group: SYSTEM
user::rwx
user:self:rwx
group::rwx
group:root:rwx
mask:rwx
other:r-x
default:user:self:rwx
default:group:root:rwx
default:group:SYSTEM:rwx
default:mask:rwx

$ getfacl /tmp
# file: /tmp
# owner: Administrator
# group: Users
user::rwx
group::rwx
group:root:rwx
group:SYSTEM:rwx
mask:rwx
other:rwx
default:group:root:rwx
default:group:SYSTEM:rwx
default:group:Users:r-x
default:mask:rwx

None of this seems right. The Users group does not have write access to
/tmp, for one thing. SYSTEM owns my home directory, even if I do have an
 rwx ACL entry. And the perm bits on everything just look /wrong/.

I think setup.exe on Vista should be a little more careful about the
permissinos/ownership it applies to files and directories that it
creates, especially under the installation scenario above -- which ought
to be considered the, or one of a very few, "normal" installation
scenario(s) on Vista.

I do NOT think users should be expected to FIRST create their
installation directory manually, then muck about with its inheritable
security settings, before running setup-1.7.exe for the first time for a
"virgin" install. (that's what I had to do last time, with setup-2.588)

--
Chuck


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