make md5sums read-only

[BackupPC.git] / bin / BackupPC_ASA_PostArchive_Update

diff --git a/bin/BackupPC_ASA_PostArchive_Update b/bin/BackupPC_ASA_PostArchive_Update
index 8b31d6f..93478c9 100755 (executable)
--- a/bin/BackupPC_ASA_PostArchive_Update
+++ b/bin/BackupPC_ASA_PostArchive_Update
@@ -120,6 +120,13 @@ my $sth_inc_size = $dbh->prepare(qq{
        where id = ?
 });
 
+sub read_only {
+       my $full = shift;
+       my $perm = (stat $full)[2] & 0444;
+       warn sprintf("chmod %03o %s\n",$perm,$full);
+       chmod $perm, $full || die $!;
+}
+
 sub check_archive {
        my ($host,$num) = @_;
        warn "# check_archive $host $num";
@@ -140,8 +147,12 @@ sub check_archive {
        my $md5_path = "$Conf{ArchiveDest}/$host.$num.md5";
        unlink $md5_path if -s $md5_path == 0; # fix empty
 
+       my $read_protect = 0;
+
        if ( ! -e $md5_path ) {
                system_ok "cd $Conf{ArchiveDest} && /usr/bin/md5sum $host.$num.* > $md5_path";
+               read_only $md5_path;
+               $read_protect = 1;
        } else {
                system_ok "cd $Conf{ArchiveDest} && /usr/bin/md5sum -c $md5_path" if $opt->check;
        }
@@ -150,6 +161,7 @@ sub check_archive {
        foreach ( split(/\n/, read_file "$Conf{ArchiveDest}/$host.$num.md5" ) ) {
                my ( $md5, $path ) = split(/\s+/,$_);
                $md5sum->{$path} = $md5;
+               read_only "$Conf{ArchiveDest}/$path" if $read_protect;
        }
 
        # depending on expected returned value this is used like:
@@ -183,16 +195,16 @@ sub check_archive {
        }
 
        sub check_part {
-               my ($host, $num, $part_nr, $tar_size, $size, $md5, $items) = @_;
+               my ($host, $num, $part_nr, $tar_size, $size, $md5, $items, $filename) = @_;
                my $backup_id = get_backup_id($host, $num);
                my $sth_md5 = $dbh->prepare(qq{
                        select
-                               id, tar_size, size, md5, items
+                               id, tar_size, size, md5, items, filename
                        from backup_parts
-                       where backup_id = ? and part_nr = ?
+                       where backup_id = ? and part_nr = ? and filename = ?
                });
 
-               $sth_md5->execute($backup_id, $part_nr);
+               $sth_md5->execute($backup_id, $part_nr, $filename);
 
                if (my $row = $sth_md5->fetchrow_hashref) {
                        return if (
@@ -212,11 +224,12 @@ sub check_archive {
                                tar_size,
                                size,
                                md5,
-                               items
-                       ) values (?,?,?,?,?,?)
+                               items,
+                               filename
+                       ) values (?,?,?,?,?,?,?)
                });
 
-               $sth_insert->execute($backup_id, $part_nr, $tar_size, $size, $md5, $items);
+               $sth_insert->execute($backup_id, $part_nr, $tar_size, $size, $md5, $items, $filename);
                $dbh->commit;
        }
 
@@ -263,8 +276,8 @@ sub check_archive {
                        $items++;
                        $tar_size_inarc += $entry->size;
 
-                       if ($tar_size_inarc > $Conf{ArchiveChunkSize}) {
-                               print ", part $filename is too big $tar_size_inarc > $Conf{ArchiveChunkSize}\n";
+                       if ($tar_size_inarc > $Conf{ArchiveMediaSize}) {
+                               print ", part $filename is too big $tar_size_inarc > $Conf{ArchiveMediaSize}\n";
                                return 0;
                        }
 
@@ -298,7 +311,7 @@ sub check_archive {
                my $items = 1;
                $part_nr++;
 
-               check_part($host, $num, $part_nr, $tar_size, $size, $md5, $items);
+               check_part($host, $num, $part_nr, $tar_size, $size, $md5, $items, $filename);
 
                # round increment size to 2k block size
                $inc_size += int((($size + 2048) / 2048 ) * 2048);