Devco1 Shell

Filename : checklink
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#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/checklink                       Copyright 2022 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

mkdir( "/usr/local/cpanel/tests", 0700 );
system( "chown", "cpanel:cpanel", "/usr/local/cpanel/tests" );

setuids("cpanel");

unlink("/usr/local/cpanel/tests/linktest1");
unlink("/usr/local/cpanel/tests/linktest2");
open( LINKTEST, ">/usr/local/cpanel/tests/linktest1" ) || die "Unable to create file for link test";
close(LINKTEST);
link( "/usr/local/cpanel/tests/linktest1", "/usr/local/cpanel/tests/linktest2" );
if ( -f "/usr/local/cpanel/tests/linktest2" ) {
    print "Test Passed!!\n";
}
else {
    print "Test Failed!!   $!\n";
}

sub setuids {
    my ($user) = $_[0];
    my ( $uid, $gid );
    ( undef, undef, $uid, $gid ) = getpwnam($user);
    if ( !( $) = "$gid $gid" ) ) {
        print "error setting gid\n";
        exit;
    }

    if ( !( $( = int($gid) ) ) {
        print "error setting gid\n";
        exit;
    }
    if ( !( ( $> = $uid ) && ( $< = $uid ) ) ) {
        die "error setting uid ($uid) [$user]\n";
    }
    return $uid;
}