Question

chmod conversion d---rwx--t

Asked by: carperman

Hello, i need to set a dir in freebsd so it has following permission

d---rwx--t

thing is can't work out howto achieve this, any ideas?

cheers

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Asked On
2009-08-11 at 05:43:42ID24642847
Tags

freebsd chmod conversion

Topics

Unix Network Security

,

Unix Systems Programming

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Answers

 

by: omarfaridPosted on 2009-08-11 at 05:52:29ID: 25068371

as root run (if / dir don't do)

chmod 070 /ath/to/dir
chmod +t /path/to/dir

 

by: carpermanPosted on 2009-08-11 at 05:56:06ID: 25068408

Thanks for reply, i had got the chmod 70 but need he chmod +t

one issue though is that it give upper case T and not lower as should be?

should be

d---rwx--t

but with suggestion is

d---rwx--T

cheers

 

by: hfraserPosted on 2009-08-11 at 06:08:08ID: 25068520

I don't think the "t" bit has any meaning if the owner doesn't have access to the directory (which your example doesn't). It prevents users from deleting or renaming files owned by others, and is typically used for things like tmp directories.

To add this attribute to a directory for which the owner has read and write access, the command would be:

chmod o+rwt directory_name

 

by: carpermanPosted on 2009-08-11 at 06:18:10ID: 25068631

thanks for reply

chmod o+rwt

give

d---rwxrwT

needs to be

d---rwx--t

cheers

 

by: ozoPosted on 2009-08-11 at 06:18:20ID: 25068637

chmod 1070 /path/to/dir

T is displayed when the sticky bit is set but not execute  or search permission.
t is displayed when the sticky bit is set and is searchable or executable

 

by: carpermanPosted on 2009-08-11 at 06:27:58ID: 25068741

No change still can't lower case t

The dir was correct but got change accidentally, it needs to be set as it is a hsphere user dir and thus requires

d---rwx--t

which is same as all other user dir.

cheers

 

by: omarfaridPosted on 2009-08-11 at 06:28:46ID: 25068752

I agree with ozo regarding T

 

by: omarfaridPosted on 2009-08-11 at 06:32:01ID: 25068795

try

chmod 1071 /path/to/dir

 

by: carpermanPosted on 2009-08-11 at 06:43:20ID: 25068922

chmod 1071

did the trick, thanks

 

by: TintinPosted on 2009-08-11 at 12:27:18ID: 25072427

What possible reason do you have for wanting such a strange permission?  I certainly can't think of any good reason.

 

by: carpermanPosted on 2009-08-11 at 15:19:30ID: 25074077

It is the home folder for hsphere web server cp and the -t is to stop users renaming log files which can cause problems.

 

by: TintinPosted on 2009-08-11 at 15:45:36ID: 25074244

I'm not questioning the sticky bit, but why you have no perms for the owner.  That's very unusual.

The more usual permissions would be 1771

 

by: carpermanPosted on 2009-08-12 at 00:44:31ID: 25076438

why because owner is root and group is user, this is the way hsphere is setup, not my choice just the way it is.

 

by: TintinPosted on 2009-08-12 at 03:17:59ID: 25077216

In that case, perms of 1771 and 1071 would be exactly the same, except that 1071 is a highly unusual permission to use.

 

by: TintinPosted on 2009-08-12 at 03:18:11ID: 25077217

s/exactly/effectively/

20120131-EE-VQP-002

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