libvirt/tests/check-file-access.pl

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Perl
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#!/usr/bin/env perl
#
# Copyright (C) 2016 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
#
# This script is supposed to check test_file_access.txt file and
# warn about file accesses outside our working tree.
#
#
use strict;
use warnings;
my $access_file = "test_file_access.txt";
my $whitelist_file = "file_access_whitelist.txt";
my @files;
my @whitelist;
open FILE, "<", $access_file or die "Unable to open $access_file: $!";
while (<FILE>) {
chomp;
if (/^(\S*):\s*(\S*)(\s*:\s*(.*))?$/) {
my %rec;
${rec}{path} = $1;
${rec}{progname} = $2;
if (defined $4) {
${rec}{testname} = $4;
}
push (@files, \%rec);
} else {
die "Malformed line $_";
}
}
close FILE;
open FILE, "<", $whitelist_file or die "Unable to open $whitelist_file: $!";
while (<FILE>) {
chomp;
if (/^\s*#.*$/) {
# comment
} elsif (/^(\S*)(:\s*(\S*)(\s*:\s*(.*))?)?$/) {
my %rec;
${rec}{path} = $1;
if (defined $3) {
${rec}{progname} = $3;
}
if (defined $5) {
${rec}{testname} = $5;
}
push (@whitelist, \%rec);
} else {
die "Malformed line $_";
}
}
close FILE;
# Now we should check if %traces is included in $whitelist. For
# now checking just keys is sufficient
my $error = 0;
for my $file (@files) {
my $match = 0;
for my $rule (@whitelist) {
if (not %${file}{path} =~ m/^$rule->{path}$/) {
next;
}
if (defined %${rule}{progname} and
not %${file}{progname} =~ m/^$rule->{progname}$/) {
next;
}
if (defined %${rule}{testname} and
defined %${file}{testname} and
not %${file}{testname} =~ m/^$rule->{testname}$/) {
next;
}
$match = 1;
}
if (not $match) {
$error = 1;
print "$file->{path}: $file->{progname}";
print ": $file->{testname}" if defined %${file}{testname};
print "\n";
}
}
exit $error;