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7135cee755
The check-file-access.pl script is used to match access list
generated by virtestmock against whitelisted rules stored in
file_access_whitelist.txt. So far the rules are in form:
$path: $progname: $testname
This is not sufficient because the rule does not take into
account 'action' that caused $path to appear in the list of
accessed files. After this commit the rule can be in new form:
$path: $action: $progname: $testname
where $action is one from ("open", "fopen", "access", "stat",
"lstat", "connect"). This way the white list can be fine tuned to
allow say access() but not connect().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
127 lines
3.3 KiB
Perl
Executable File
127 lines
3.3 KiB
Perl
Executable File
#!/usr/bin/env perl
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#
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# Copyright (C) 2016 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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# This script is supposed to check test_file_access.txt file and
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# warn about file accesses outside our working tree.
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#
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#
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use strict;
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use warnings;
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my $access_file = "test_file_access.txt";
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my $whitelist_file = "file_access_whitelist.txt";
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my @known_actions = ("open", "fopen", "access", "stat", "lstat", "connect");
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my @files;
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my @whitelist;
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open FILE, "<", $access_file or die "Unable to open $access_file: $!";
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while (<FILE>) {
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chomp;
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if (/^(\S*):\s*(\S*):\s*(\S*)(\s*:\s*(.*))?$/) {
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my %rec;
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${rec}{path} = $1;
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${rec}{action} = $2;
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${rec}{progname} = $3;
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if (defined $5) {
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${rec}{testname} = $5;
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}
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push (@files, \%rec);
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} else {
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die "Malformed line $_";
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}
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}
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close FILE;
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open FILE, "<", $whitelist_file or die "Unable to open $whitelist_file: $!";
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while (<FILE>) {
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chomp;
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if (/^\s*#.*$/) {
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# comment
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} elsif (/^(\S*):\s*(\S*)(:\s*(\S*)(\s*:\s*(.*))?)?$/ and
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grep /^$2$/, @known_actions) {
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# $path: $action: $progname: $testname
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my %rec;
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${rec}{path} = $1;
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${rec}{action} = $3;
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if (defined $4) {
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${rec}{progname} = $4;
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}
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if (defined $6) {
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${rec}{testname} = $6;
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}
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push (@whitelist, \%rec);
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} elsif (/^(\S*)(:\s*(\S*)(\s*:\s*(.*))?)?$/) {
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# $path: $progname: $testname
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my %rec;
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${rec}{path} = $1;
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if (defined $3) {
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${rec}{progname} = $3;
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}
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if (defined $5) {
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${rec}{testname} = $5;
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}
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push (@whitelist, \%rec);
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} else {
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die "Malformed line $_";
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}
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}
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close FILE;
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# Now we should check if %traces is included in $whitelist. For
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# now checking just keys is sufficient
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my $error = 0;
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for my $file (@files) {
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my $match = 0;
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for my $rule (@whitelist) {
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if (not %${file}{path} =~ m/^$rule->{path}$/) {
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next;
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}
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if (defined %${rule}{action} and
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not %${file}{action} =~ m/^$rule->{action}$/) {
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next;
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}
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if (defined %${rule}{progname} and
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not %${file}{progname} =~ m/^$rule->{progname}$/) {
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next;
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}
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if (defined %${rule}{testname} and
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defined %${file}{testname} and
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not %${file}{testname} =~ m/^$rule->{testname}$/) {
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next;
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}
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$match = 1;
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}
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if (not $match) {
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$error = 1;
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print "$file->{path}: $file->{action}: $file->{progname}";
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print ": $file->{testname}" if defined %${file}{testname};
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print "\n";
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}
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}
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exit $error;
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