On Sun, 2006-01-29 at 01:03 +0000, Magnus Therning wrote: > On Sun, Jan 29, 2006 at 11:10:33AM +1100, Jonathan Wheelhouse wrote: > > > >Got a question re UNIX permissions: I've got a directory, photos, in my > >home directory, that I want the wife and kids to put digital photos. > > > >I created a group, photo, and put them all in it. I changed the group > >on the directory to be photo. I set the sgid bit on the directory so > >that files created in the directory will have that group. I set the > >restricted deletion flag on the directory so that people can only > >delete their own files not those of others. > > > >Now the problem is that if people create sub-directories in this > >directory and then populate that sub-directory with photos only they > >have access to those photos. How can I make it so that even if they > >create sub-directories the files in the sub-directory have their group > >set to photo? > > I'm not sure I understand you, I was under the impression that subdirs > created under a dir with sgid bit set would inherit the group with the > sgid bit set: > > % mkdir test > drwxr-xr-x 3 magnus magnus 4096 2006-01-29 00:58 test > % sudo chgrp users test > % sudo chmod g+s test > % ls -ld test > drwxr-sr-x 3 magnus users 4096 2006-01-29 00:58 test > % cd test > % touch hello > % mkdir dir > % ls -l > drwxr-sr-x 2 magnus users 4096 2006-01-29 00:58 dir > -rw-r--r-- 1 magnus users 0 2006-01-29 00:58 hello > > Anything more complicated you might need can probably be solved using > ACLs (e.g. if users use different umasks). > > /M > You can use umask to change your users default file permissions. If you put: umask 0022 in the .bashrc and .bash_profile, any new files and dirs will be group writable by default. The only problem with this is that it applies to *ALL* files that user creates, not just the files in the sgid directory. Hope this helps,
Thanks, Martin OConnor -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
