/usr/share/perl5/NeedRestart/uCode/Intel.pm is in needrestart 3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | # needrestart - Restart daemons after library updates.
#
# Authors:
# Thomas Liske <thomas@fiasko-nw.net>
#
# Copyright Holder:
# 2013 - 2018 (C) Thomas Liske [http://fiasko-nw.net/~thomas/]
#
# License:
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this package; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
package NeedRestart::uCode::Intel;
use strict;
use warnings;
use NeedRestart::uCode;
use NeedRestart::Utils;
use POSIX qw(uname);
use Sort::Naturally;
use Locale::TextDomain 'needrestart';
use constant {
NRM_INTEL_HELPER => q(/usr/lib/needrestart/iucode-scan-versions),
};
my $LOGPREF = '[uCode/Intel]';
sub nr_ucode_init {
my ($sysname, $nodename, $release, $version, $machine) = uname;
my $is_x86 = ($machine =~ /^(i\d86|x86_64)$/);
die "$LOGPREF Not running on x86!\n" unless($is_x86);
die "$LOGPREF iucode-tool not available!\n" unless(`which iucode_tool`);
}
sub nr_ucode_check_real {
my $debug = shift;
my $ui = shift;
my %vars;
# get current microcode revision
if(open(my $fh, '<', '/proc/cpuinfo')) {
while (<$fh>) {
if (/^microcode\s+:\s+(0x[\da-f]+)/i) {
$vars{CURRENT} = sprintf("0x%x", hex($1));
last;
}
}
close($fh);
}
else {
print STDERR "$LOGPREF unable to open /proc/cpuinfo: $!\n" if($debug);
return (NRM_UNKNOWN, %vars);
}
my $fh = nr_fork_pipe($debug, NRM_INTEL_HELPER, $debug);
while(<$fh>) {
if (/\s+\d+\/\d+: sig.+, rev (0x[\da-f]+),/) {
$vars{AVAIL} = sprintf("0x%x", hex($1));
print STDERR "$LOGPREF available revision: $1\n" if($debug);
next;
}
}
close($fh);
unless(exists($vars{CURRENT}) && exists($vars{AVAIL})) {
print STDERR "$LOGPREF did not get current microcode version\n" if($debug && !exists($vars{CURRENT}));
print STDERR "$LOGPREF did not get available microcode version\n" if($debug && !exists($vars{AVAIL}));
return (NRM_UNKNOWN, %vars);
}
if($vars{CURRENT} eq $vars{AVAIL}) {
return (NRM_CURRENT, %vars);
}
return (NRM_OBSOLETE, %vars);
}
1;
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