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Date: Fri, 13 Sep 2024 22:49:44 -0600
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Subject: Re: cyg-x install error
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From: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
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On 2024-09-13 18:06, S. Cowles via Cygwin wrote:
> 
> On Fri, 13 Sep 2024, Brian Inglis via Cygwin wrote:
>> On 2024-09-13 14:02, S. Cowles via Cygwin wrote:
>>>
>>> i have a clean install of cygwin on a win11pro box.  when i install cyg-x 
>>> (via https://x.cygwin.com/docs/ug/setup.html#setup-cygwin-x-installing), i 
>>> get the following error:
>>>
>>> Package:  _/xinit
>>>      xinit.sh exit code 3
>>
>> Where are you seeing this error?
> 
> final error reporting window of setup-x86_64.ext instance
> 
> 
>>> the result of the error is no access to any cyg-x apps via start menu, etc. 
>>> what is the proper way to fix this error?
>>
>> What does it show in /var/log/setup.log.full?
> 
> 
> attached.
> 
> relevant lines appear to be:
> mkshortcut: Saving "/cygdrive/c/ProgramData/Microsoft/Windows/Start 
> Menu/Programs/Cygwin-X/XWin Server.lnk" failed; does the target directory exist?
> mkshortcut: Saving "/cygdrive/c/ProgramData/Microsoft/Windows/Start 
> Menu/Programs/Cygwin-X/User script.lnk" failed; does the target directory exist?
> dir permissions are reported as:
> d---rwxr-x+ 1 userxyz       Administrators 0 May 20 10:06  Cygwin-X/
> suggestions?

Problem is that directory is not created with a User DACL, so its parent 
probably also lacks a User DACL.

First check the X11 directories are okay:

$ ls -gloR /etc/X11
/etc/X11:
total 23
drwxr-xr-x 1    0 Jun 15 18:15 app-defaults
drwxr-xr-x 1    0 Aug  2 20:25 fontpath.d
-rw-r--r-- 1 3887 Jun 15 18:20 system.XWinrc
drwxr-xr-x 1    0 Dec 26  2022 xinit
-rwxr--r-- 1  884 Feb 13  2015 Xloadimage
-rw-r--r-- 1  547 Dec 26  2022 Xmodmap
-rw-r--r-- 1  493 Dec 26  2022 Xresources
drwxrwxr-x 1    0 Jun 15 18:15 xsm

/etc/X11/app-defaults:
total 138
-rw-r--r-- 1  9870 Apr 27 11:51 Editres
-rw-r--r-- 1  2751 Apr 27 11:51 Editres-color
-rw-r--r-- 1  2872 Jul 16  2023 GXditview
-rw-r--r-- 1   601 Jul 16  2023 GXditview-color
-rw-r--r-- 1  3184 Dec 18  2022 Viewres
-rw-r--r-- 1   973 Dec 18  2022 Viewres-color
-rw-r--r-- 1 22916 May 20  2023 XCalc
-rw-r--r-- 1 11573 May 20  2023 XCalc-color
-rw-r--r-- 1  4086 Aug 12  2022 XClipboard
-rw-r--r-- 1   754 Dec 18  2022 Xfd
-rw-r--r-- 1  4928 Apr 27 12:17 XFontSel
-rw-r--r-- 1   106 Apr 27 12:12 XLoad
-rw-r--r-- 1  6148 Apr 27 12:13 Xman
-rw-r--r-- 1  3871 Apr 27 12:47 XSm
-rw-r--r-- 1 11515 Jan 25  2024 XTerm
-rw-r--r-- 1  5826 Jan 25  2024 XTerm-color

/etc/X11/fontpath.d:
total 7
lrwxrwxrwx 1 30 Apr 17  2018  urw-fonts -> /usr/share/X11/fonts/urw-fonts
lrwxrwxrwx 1 27 Jun 15 18:13 'xorg-x11-fonts-100dpi:unscaled:pri=30' -> 
/usr/share/X11/fonts/100dpi
lrwxrwxrwx 1 26 Jun 15 18:13 'xorg-x11-fonts-75dpi:unscaled:pri=20' -> 
/usr/share/X11/fonts/75dpi
lrwxrwxrwx 1 25 Jun 15 18:13 'xorg-x11-fonts-misc:unscaled:pri=10' -> 
/usr/share/X11/fonts/misc
lrwxrwxrwx 1 26 Jun 15 18:13  xorg-x11-fonts-Type1 -> /usr/share/X11/fonts/Type1

/etc/X11/xinit:
total 28
-rwxr-xr-x 1 3770 Dec 26  2022 startxwinrc
-rwxr-xr-x 1 2692 Dec 26  2022 Xclients
drwxr-xr-x 1    0 Apr 24  2023 Xclients.d
-rwxr-xr-x 1 1486 Dec 26  2022 xinitrc
drwxr-xr-x 1    0 Mar 10  2024 xinitrc.d
-rw-r--r-- 1 1870 Dec 26  2022 xinitrc-common
-rwxr-xr-x 1 4740 Dec 26  2022 Xsession

/etc/X11/xinit/Xclients.d:
total 4
-rwxrwxr-x 1 110 Apr  1  2023 Xclients.openbox.sh
-rwxrwxr-x 1 177 Apr  1  2023 Xclients.openbox-gnome.sh
-rwxrwxr-x 1 122 Apr  1  2023 Xclients.openbox-kde.sh
-rwxr-xr-x 1 121 Dec 18  2022 Xclients.xinit-compat.sh

/etc/X11/xinit/xinitrc.d:
total 3
-rwxr-xr-x 1 558 Feb 24  2024 00-start-message-bus.sh
-rwxr-xr-x 1 543 Dec 26  2022 localuser.sh
-rwxr-xr-x 1 537 Sep  4  2017 xdg-user-dirs.sh

/etc/X11/xsm:
total 1
-rw-r--r-- 1 77 Apr 27 12:47 system.xsm

Next go to the Cygwin-X directory and check up the parents in the path until you 
can see drwxr[-w]xr[-w]x, and check that directory has User DACLs e.g. [sanitized]:

$ lsattr -d /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/ Readonly, Notindexed
$ls -dl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/
drwxr-xr-x+ 1 SYSTEM SYSTEM 0 Dec  7  2019 
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/

$ getfacl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/
# file: /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/
# owner: SYSTEM
# group: SYSTEM
user::rwx
group::r-x
group:Administrators:rwx        #effective:r-x
group:Users:r-x
mask::r-x
other::r-x
default:user::rwx		<<<
default:user:$USER:---		<<<
default:user:$Admin:---		<<<
default:group::---
default:group:Administrators:rwx        #effective:r-x
default:group:Users:r-x
default:mask::r-x
default:other::r-x

$ icacls C:/ProgramData/Microsoft/Windows/Start?Menu
C:/ProgramData/Microsoft/Windows/Start Menu $HOSTNAME/$USER:(OI)(CI)(IO)(DE,DC)
                                             $HOSTNAME/$Admin:(OI)(CI)(IO)(DE,DC)
                                             NT AUTHORITY/SYSTEM:(I)(OI)(CI)(F)
                                             BUILTIN/Administrators:(I)(OI)(CI)(F)
                                             BUILTIN/Users:(I)(OI)(CI)(RX)
                                             Everyone:(I)(OI)(CI)(RX)
Successfully processed 1 files; Failed processing 0 files

then work your way back down checking:

$ lsattr -d /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ Menu/Programs/
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/ Readonly, 
Notindexed
$ ls -dl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ Menu/Programs/
drwxr-xr-x+ 1 SYSTEM SYSTEM 0 Aug 22 17:30 
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/
$ getfacl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ Menu/Programs/
# file: /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/
# owner: SYSTEM
# group: SYSTEM
user::rwx
user:$USER:r-x
user:$Admin:rwx #effective:r-x
group::r-x
group:Administrators:rwx        #effective:r-x
group:Users:r-x
mask::r-x
other::r-x
default:user::rwx		<<<
default:user:$USER:---		<<<
default:user:$Admin:---		<<<
default:group::---
default:group:Administrators:rwx        #effective:r-x
default:group:Users:r-x
default:mask::r-x
default:other::r-x
$ icacls C:/ProgramData/Microsoft/Windows/Start?Menu/Programs
C:/ProgramData/Microsoft/Windows/Start Menu/Programs 
$HOSTNAME/$USER:(I)(OI)(CI)(DE,DC)
 
$HOSTNAME/$Admin:(I)(OI)(CI)(DE,DC)
                                                      NT 
AUTHORITY/SYSTEM:(I)(OI)(CI)(F)
 
BUILTIN/Administrators:(I)(OI)(CI)(F)
                                                      BUILTIN/Users:(I)(OI)(CI)(RX)
                                                      Everyone:(I)(OI)(CI)(RX)
Successfully processed 1 files; Failed processing 0 files

so try fixing that with:

$ setfacl -md:u:$USER:rwx /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs
$ chmod a+rx /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ Menu/Programs

then list Cygwin-X:

$ lsattr -d /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X/ ---
$ ls -dl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
drwxr-xr-x 1 $USER None 0 Dec 26  2022 
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X/
$ getfacl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
# file: /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X/
# owner: $USER
# group: None
user::rwx
group::r-x
other::r-x
default:user::---	!!!
default:group::r-x
default:other::r-x
$ icacls C:/ProgramData/Microsoft/Windows/Start?Menu/Programs/Cygwin-X
C:/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X $HOSTNAME/$USER:(F)
                                                               $HOSTNAME/None:(RX)
                                                               Everyone:(RX)
                                                               NULL 
SID:(OI)(CI)(IO)(DENY)(Rc,S)
                                                               CREATOR 
OWNER:(OI)(CI)(IO)(DENY)(S,RD,REA,X)
                                                               CREATOR 
OWNER:(OI)(CI)(IO)(D,Rc,WDAC,WO,RA,WA)
                                                               CREATOR 
GROUP:(OI)(CI)(IO)(RX)
 
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files

and try fixing that with:

$ setfacl -b /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
$ setfacl -md:u::rwx /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
$ chmod a+rx /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/

then list:

$ lsattr -d /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X/ ---
$ ls -dl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
drwxr-xr-x 1 $USER None 0 Dec 26  2022 
/proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X/
$ getfacl /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start\ 
Menu/Programs/Cygwin-X/
# file: /proc/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X/
# owner: $USER
# group: None
user::rwx
group::r-x
other::r-x
default:user::rwx
default:group::r-x
default:other::r-x
$ icacls C:/ProgramData/Microsoft/Windows/Start?Menu/Programs/Cygwin-X
C:/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin-X $HOSTNAME/$USER:(F)
                                                               $HOSTNAME/None:(RX)
                                                               Everyone:(RX)
                                                               CREATOR 
OWNER:(OI)(CI)(IO)(F)
                                                               CREATOR 
GROUP:(OI)(CI)(IO)(RX)
 
Everyone:(OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files

Now hopefully when you rerun setup, it will succeed with the shortcuts.

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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