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-rwxr-xr-xcontrib/verify-pacman-repo-db.pl259
1 files changed, 0 insertions, 259 deletions
diff --git a/contrib/verify-pacman-repo-db.pl b/contrib/verify-pacman-repo-db.pl
deleted file mode 100755
index e0a54106..00000000
--- a/contrib/verify-pacman-repo-db.pl
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@@ -1,259 +0,0 @@
-#!/usr/bin/perl -T
-use warnings;
-use strict;
-
-
-# This is used for the usage output
-=pod
-
-=head1 SYNOPSIS
-
-verify-pacman-repo-db.pl [options] <database file> ...
-
- Options:
- --help, -h Show short help message
- --debug Enable debug output
- --checksum, -c Verify checksums of packages
- --thread, -t <num> Use num threads to verify packages. Default: 1
- NOTE: Each thread uses up to approx. 128MiB of memory
-
-=cut
-
-package main;
-use Getopt::Long;
-use Pod::Usage;
-
-exit main();
-
-sub main {
- my %opts = (
- threads => 1,
- );
-
- Getopt::Long::Configure ("bundling");
- pod2usage(-verbose => 0) if (@ARGV== 0);
- GetOptions(\%opts, "help|h", "debug", "threads|t=i", "checksum|c") or pod2usage(2);
- pod2usage(0) if $opts{help};
-
- my $verifier = Verifier->new(\%opts);
-
- for my $repodb (@ARGV) {
- $verifier->check_repodb($repodb);
- }
-
- $verifier->finalize();
- return $verifier->get_error_status();
-}
-
-package Verifier;
-use Archive::Tar;
-use Digest::MD5;
-use Digest::SHA;
-use File::Basename;
-use threads;
-use threads::shared;
-use Thread::Queue;
-
-sub new {
- my $class = shift;
- my $opts = shift;
-
- my $self :shared = shared_clone({
- opts => \%{$opts},
- package_queue => Thread::Queue->new(),
- output_queue => Thread::Queue->new(),
- workers => [],
- errors => 0,
- });
-
- bless $self, $class;
- $self->start_workers();
- return $self;
-}
-
-sub start_workers {
- my $self = shift;
-
- threads->new(\&_worker_output_queue, $self);
-
- for (my $i = 0; $i < $self->{opts}->{threads}; $i++) {
- my $thr :shared = shared_clone(threads->new(\&_worker_package_queue, $self));
- push @{$self->{workers}}, $thr;
- }
-}
-
-sub _worker_package_queue {
- my $self = shift;
- while (my $workpack = $self->{package_queue}->dequeue()) {
- my $dbdata = $self->_parse_db_entry($workpack->{db_desc_content});
- $self->{errors} += $self->_verify_db_entry($workpack->{dirname}, $dbdata);
- }
-}
-
-sub _worker_output_queue {
- my $self = shift;
- while (my $output = $self->{output_queue}->dequeue()) {
- print STDERR $output;
- }
-}
-
-sub finalize {
- my $self = shift;
-
- $self->{package_queue}->end();
- $self->_join_threads($self->{workers});
-
- $self->{output_queue}->end();
- $self->_join_threads([threads->list]);
-}
-
-sub _join_threads {
- my $self = shift;
- my $threads = shift;
-
- for my $thr (@{$threads}) {
- if ($thr->tid && !threads::equal($thr, threads->self)) {
- print "waiting for thread ".$thr->tid()." to finish\n" if $self->{opts}->{debug};
- $thr->join;
- }
- }
-}
-
-sub get_error_status {
- my $self = shift;
-
- return $self->{errors} > 0;
-}
-
-sub check_repodb {
- my $self = shift;
- my $repodb = shift;
-
- my $db = Archive::Tar->new();
- $db->read($repodb);
-
- my $dirname = dirname($repodb);
- my $pkgcount = 0;
-
- my @files = $db->list_files();
- for my $file_object ($db->get_files()) {
- if ($file_object->name =~ m/^([^\/]+)\/desc$/) {
- my $package = $1;
- $self->{package_queue}->enqueue({
- package => $package,
- db_desc_content => $file_object->get_content(),
- dirname => $dirname,
- });
- $pkgcount++;
- }
- }
-
- $self->_debug(sprintf("Queued %d package(s) from database '%s'\n", $pkgcount, $repodb));
-}
-
-sub _parse_db_entry {
- my $self = shift;
- my $content = shift;
- my %db;
- my $key;
-
- for my $line (split /\n/, $content) {
- if ($line eq '') {
- $key = undef;
- } elsif ($key) {
- push @{$db{$key}}, $line;
- } elsif ($line =~ m/^%(.+)%$/) {
- $key = $1;
- } else {
- die "\$key not set. Is the db formatted incorrectly?" unless $key;
- }
- }
- return \%db;
-}
-
-sub _output {
- my $self = shift;
- my $output = shift;
-
- return if $output eq "";
-
- $output = sprintf("Thread %s: %s", threads->self->tid(), $output);
- $self->{output_queue}->enqueue($output);
-}
-
-sub _debug {
- my $self = shift;
- my $output = shift;
- $self->_output($output) if $self->{opts}->{debug};
-}
-
-sub _verify_db_entry {
- my $self = shift;
- my $basedir = shift;
- my $dbdata = shift;
- my $ret = 0;
- my $output = "";
-
- # verify package exists
- my $pkgfile = $basedir.'/'.$dbdata->{FILENAME}[0];
- $self->_debug(sprintf("Checking package %s\n", $dbdata->{FILENAME}[0]));
- unless (-e $pkgfile) {
- $self->_output(sprintf("Package file missing: %s\n", $pkgfile));
- return 1;
- }
-
- $ret += $self->_verify_package_size($dbdata, $pkgfile);
- $ret += $self->_verify_package_checksum($dbdata, $pkgfile) if $self->{opts}->{checksum};
-
- return $ret;
-}
-
-sub _verify_package_size {
- my $self = shift;
- my $dbdata = shift;
- my $pkgfile = shift;
-
- my $csize = $dbdata->{CSIZE}[0];
- my $filesize = (stat($pkgfile))[7];
- unless ($csize == $filesize) {
- $self->_output(sprintf("Package file has incorrect size: %d vs %d: %s\n", $csize, $filesize, $pkgfile));
- return 1;
- }
- return 0;
-}
-
-sub _verify_package_checksum {
- my $self = shift;
- my $dbdata = shift;
- my $pkgfile = shift;
-
- my $md5 = Digest::MD5->new;
- my $sha = Digest::SHA->new(256);
-
- my $content;
- # 128MiB to keep random IO low when using multiple threads (only works for large packages though)
- my $chunksize = 1024*1024*128;
- open my $fh, "<", $pkgfile;
- while (read($fh, $content, $chunksize)) {
- $md5->add($content);
- $sha->add($content);
- }
-
- my $expected_sha = $dbdata->{SHA256SUM}[0];
- my $expected_md5 = $dbdata->{MD5SUM}[0];
- my $got_md5 = $md5->hexdigest;
- my $got_sha = $sha->hexdigest;
-
- unless ($expected_sha eq $got_sha and $expected_md5 eq $got_md5) {
- my $output;
- $output .= sprintf "Package file has incorrect checksum: %s\n", $pkgfile;
- $output .= sprintf "expected: SHA %s\n", $expected_sha;
- $output .= sprintf "got: SHA %s\n", $got_sha;
- $output .= sprintf "expected: MD5 %s\n", $expected_md5;
- $output .= sprintf "got: MD5 %s\n", $got_md5;
- $self->_output($output);
- return 1;
- }
- return 0;
-}
-