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Shell Programming and Scripting

Script to eliminate files .rlogin

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# 8  
Old 06-24-2011
Hey there. I believe the script loop you presented can be quickly accomplished with two "find" commands ....
Code:
find /home -maxdepth 2 -name '.rhosts' | xargs mail -s "rhosts" root
find /home -maxdepth 2 -name '.rhosts' | xargs rm -f

Last edited by Franklin52; 06-28-2011 at 03:42 AM.. Reason: Please use code tags for code and data samples, thank you
# 9  
Old 06-24-2011
What about if root owns it and it is 444 and inside says "# Do not use .rhosts -- SysAdmin" Can the user rename it or change the permissions? My .rhost files were all owned by me, but I do recall permissions were critical.

Of course, everyone can have the same inode.

If you remove it, they can add it back. An ounce of prevention.
# 10  
Old 06-24-2011
Quote:
Originally Posted by DGPickett
What about if root owns it and it is 444 and inside says "# Do not use .rhosts -- SysAdmin" Can the user rename it or change the permissions?
They can do better than that, they can delete the thing, since that's controlled by directory permissions, not file permissions.
# 11  
Old 06-24-2011
And then the user cannot add a file to their home dir ?
# 12  
Old 06-24-2011
Quote:
What about if root owns it and it is 444
On most systems the .rhosts will not work at all unless the permissions are 600 (and owned by root or the particular user).
# 13  
Old 06-27-2011
Right, so to prevent, do not have 600, have 444 and root ownership so user cannot remove.
# 14  
Old 06-27-2011
Isn't there a command line option to rlogind to just disable .rhosts? My man page suggests -l does it.
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