How to get current user name in Perl cgi?

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How to get current username who in the system in cgi?

I have tried using,

PERL

my $system_user = $cgi_obj->remote_user;

and also

PERL

my $system_user = $ENV{REMOTE_USER};

But nothing works. Please help. Thanks in advance.

Posted 20-Feb-14 23:26pm

Member 9353131

Updated 27-Mar-14 23:38pm

ZeeroC00l

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*ZeeroC00l* · Answer 1 · 2014-03-27T23:34:00

Solution 1

If you are trying to get the username who is running the CGI execution, you can use the following.

PERL

my $username = $ENV{LOGNAME};

or you can combine multiple options to make sure one of them return a valid data.

PERL

my $username = $ENV{LOGNAME} || getpwuid($<) || $ENV{USER};

Posted 27-Mar-14 23:34pm

ZeeroC00l

Member 14849382 · Answer 2 · 2020-05-31T14:23:00

It looks like you are trying to determine the identity of an unauthenticated remote user, which does not work and even if it did would be meaningless. http by default is anonymous. To change this you need to either authenticate the user (http authentication sets the variables you were looking at) or track the user (consult your lawyer and priest before tracking users). Consult the manual for your authentication or tracking method for further details.