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Full Discussion: file permission/acl: 2 users with write access on 1 file...
Special Forums Cybersecurity file permission/acl: 2 users with write access on 1 file... Post 302229863 by elzalem on Thursday 28th of August 2008 05:25:07 AM
Old 08-28-2008
Error file permission/acl: 2 users with write access on 1 file...
Hello,

i need some help/advice on how to solve a particular problem.

these are the users:

Code:
|name      |  group        |
 ---------- ---------------
|boss      |  department1  |
|assistant |  department1  |
|employee  |  department1  |
|spy       |  department2  |





this is the hierarchy of my files:

Code:
 ----------------------------------
|  name ( file_perms owner group ) |
 ----------------------------------

dept1data ( rwxr-x--- boss department1 )
  |
  |
  |-----subdir1( boss department1 rwxr-x--- )
  |        |
  |     (jungle)
  |
  |-----subdir2  ( boss department1 rwxr-x--- )
  |        |
  |     (jungle)
  | 
(many more)





basically only the boss can write or create files, the assistant and the employee can read, the spy has no access.

now i need to give the assistant write permissions on the subdir1 (and all of it's subdirs & files)

should i do this:
$ setfacl -R -m u:assistant:w subdir1

and should i do it everytime a file is created under subdir1?

is there a better solution to my problem?



PS: users access the directory from a windows pc, the samba server is debian 4.0r3 (acl enabled)
 

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LEARN ABOUT REDHAT

squid_unix_group

squid_unix_group(8)					      System Manager's Manual					       squid_unix_group(8)

NAME

       squid_unix_group - Squid UNIX Group external_acl helper

SYNOPSIS

       squid_unix_group [-g groupname] [-g groupname...] [-p]

DESCRIPTION

       This helper allows Squid to base access controls on users memberships in UNIX groups.

       -g groupname
	      Specifies a group name to match.

       -p     Also match the users primary group from /etc/passwd

EXAMPLES

       This squid.conf example defines two Squid acls. usergroup1 matches users in group1, and usergroup2 matches users in group2 or group3

	      external_acl_type unix_group %LOGIN /usr/local/squid/libexec/squid_unix_group -p

	      acl usergroup1 external unix_group group1

	      acl usergroup2 external unix_group group2 group3

NOTES

       By  default  up to 11 groups can be matched in one acl (including commandline specified groups). This limit is defined by MAX_GROUPS in the
       source code.

AUTHOR

       This manual page was written by Henrik Nordstrom <hno@squid-cache.org>

       squid_unix_group is written by Rodrigo Campos <rodrigo@geekbunker.org>

KNOWN ISSUES

       Does not understand gid aliased groups sometimes used to work around groups size limitations. If you are using gid aliased groups then  you
       must specify each alias by name.

QUESTIONS

       Any questions on usage can be sent to Squid Users <squid-users@squid-cache.org>

REPORTING BUGS

       Report bugs or bug-fixes to Rodrigo Campos <rodrigo@geekbunker.org> or Squid Developers <squid-dev@squid-cache.org>

SEE ALSO

       group(5),passwd(5)

Squid UNIX Group helper 					  12 August 2002					       squid_unix_group(8)
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