Commit 1be934f5 authored by Tomáš Szaniszlo's avatar Tomáš Szaniszlo
Browse files

Better superuser permissions check 

Check superuser permissions not using sudo but using EUID.

Also check for superuser permissions when in live mode since that may
trigger debugfs mounting which requires them.
parent 85c2155b

ioprof.pl

+4 −5
Original line number Diff line number Diff line
@@ -1824,9 +1824,12 @@ sub worker 
### Check command line arguments

check_args();



### Check if debugfs is mounted

if ($mode eq "live" || $mode eq "trace")

{

        ### Check if superuser permissions

        if ($> != 0) { die("ERROR: You need to have superuser permissions to collect all necessary data.  Please run from a privileged account."); }



        ### Check if debugfs is mounted

        mount_debugfs();

}
@@ -1838,10 +1841,6 @@ if($mode eq 'trace') 
        my $pid=-1;

        #my $cpu_affinity=0;



        ### Check if sudo permissions

        `sudo -v`;

        if($? != 0 ) { die("ERROR: You need to have sudo permissions to collect all necessary data.  Please run from a privilaged account."); }



        ### Save fdisk info

        print "Running fdisk\n" if ($DEBUG);

        my $fdisk_version = `fdisk -v`;