But please do not make passing on PERL5LIB a default.
Why? The PERL5LIB environment variable is set up after the fact (of changing $< and $>) of getting broader permissions via sudo.
So, a well thought-out privilege evelating scheme is more important than the passing of an environment variable while changing $UID, becaue you could set that very ENV var by hand, after running sudo.
^^^ What martin said. In a lot of cases the user making the sudo call does not control the code that is being called.
In that case, passing through PERL5LIB is like passing through PATH or LD_LIBRARY_PATH. Just google "sudo PATH exploit" to find plenty of examples of the trouble you can run into.
So yes, if you're sure that sudo is only used to give full shell access, then by all means go ahead and pass through PERL5LIB. In all other cases, leaving it out it probably a better idea.
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||