Re: Home directory files invisible!

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On 23 April 2010 12:39, Chris Adams <cmadams@xxxxxxxxxx> wrote:
> Once upon a time, suvayu ali <fatkasuvayu+linux@xxxxxxxxx> said:
>> However I failed to find how to see whether any of those bits are set
>> for a file. I tried `ls -l ' in /bin, /usr/bin, and /tmp but didn't
>> notice anything obvious. I also failed to find any appropriate option
>> for ls to list it either. Am I looking in the wrong place?
>
> Run "ls -ld /tmp" and you should see:
>
> drwxrwxrwt. 17 root root 4096 2010-04-23 14:37 /tmp
>
> The "t" at the end (instead of a normal "x") indicates the directory
> sticky bit.
>

I was looking at the contents and not /tmp itself. :-p I also looked
at /bin/su and /usr/bin/passwd, they have `-rwsr-xr-x' as permissions.
:)

>> Also in what situations would seting the setuid or setgid bits help? I
>> could think of some, like writing configuration files for the
>> application which are otherwise owned by someone else, maybe for a web
>> server or a daemon or maybe some automated backup solution. Are these
>> valid scenarios?
>
> You should only have setuid/setgid for programs that are designed for
> privilege escalation (such as /bin/su and /usr/bin/passwd).  Setting
> them on arbitrary programs is a security problem (since you could be
> giving any user the ability to do random things as another user,
> possibly root).

Thanks for the response everyone. All doubts cleared now. :)

> --
> Chris Adams <cmadams@xxxxxxxxxx>

-- 
Suvayu

Open source is the future. It sets us free.
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