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liz

by liz (Monsignor)
on Jul 08, 2003 at 10:57 UTC ( #272239=user: print w/replies, xml ) Need Help??

Started with Perl 4 way back in 1994. Used Perl to develop services for a web-hosting and development company. Was co-organiser of YAPC::Europe 2001 in Amsterdam. Started participating in Perl 5 Porters since basically June 2002, mostly about threads. Have about 40 modules on CPAN.

Mostly interested in search engine functionality and using Perl as a glue language to interface various XML components. And still more learning about Perl, which may or may not have anything to do with experience.

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[Corion]: But yes, "who started this process" is interesting information :)
[tye]: no, I really believe that "login user" was added as a fundamental bit of info about each process in order to enhance the usefulness of auditing
[Corion]: Ah - if that information is saved in a file, then you could theoretically spam that file and confuse getlogin(). So, don't use it for authentication :)
[tye]: that is what getlogin() certainly *used* to do. I don't believe that is what it certainly should do.
[davido]: /var/run/utmp is 664 i think.
[tye]: Note that my "man getlogin" says that it uses stdin when it should use /dev/tty (calling a glibc bug). But that does not appear to be the case when I test it. But maybe Perl's getlogin() is not using glibc's getlogin().
[oiskuu]: well, run a strace and see what the getlogin does for you.... As I said. SELinux probably has those security labels. But not regular linux.
[tye]: for example, read https://unix. stackexchange.com/ questions/146138/ loginuid-should-be -allowed-to-change -or-not-mutable-or -not
[tye]: I'm not using SELinux and it certainly appears to disagree with you. shrug
[tye]: Since you brought up /proc, oiskuu, I didn't see you respond to my suggestion of 'loginuid'. Does your /proc not have such?

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