php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Bug #59439 [PATCH] incorrect header length for date fields
Submitted: 2010-09-28 08:49 UTC Modified: 2010-10-11 02:22 UTC
From: kp at kll dot pl Assigned:
Status: Closed Package: dbase (PECL)
PHP Version: 5.3.2 OS: CentOS
Private report: No CVE-ID: None
View Developer Edit
Welcome back! If you're the original bug submitter, here's where you can edit the bug or add additional notes.
If you forgot your password, you can retrieve your password here.
Password:
Status:
Package:
Bug Type:
Summary:
From: kp at kll dot pl
New email:
PHP Version: OS:

 

 [2010-09-28 08:49 UTC] kp at kll dot pl 
Description:
------------
created dbf has in header 0 as value of length for fileds types date and bool.

Patches

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2010-09-28 08:51 UTC] kp at kll dot pl 
patch:

--- dbf_head.c.original 2010-09-28 12:46:04.000000000 +0200
+++ dbf_head.c  2010-09-28 12:46:15.000000000 +0200
@@ -200,9 +200,11 @@
                break;
            case 'D':
                dbf->db_flen = 8;
+               put_short(dbfield.dbf_flen, dbf->db_flen);
                break;
            case 'L':
                dbf->db_flen = 1;
+               put_short(dbfield.dbf_flen, dbf->db_flen);
                break;
            default:
                put_short(dbfield.dbf_flen, dbf->db_flen);
 [2010-09-28 09:07 UTC] kp at kll dot pl 
Some DBF tools report created file as corrupted.

Solution is to modify 
file: dbf_head.c
function:  get_dbf_field

before:
-------------------------------
        switch (dbf->db_type) {
            case 'N':
            case 'F':
                        dbf->db_flen = dbfield.dbf_flen[0];
                        dbf->db_fdc = dbfield.dbf_flen[1];
                        break;
            case 'L':
                        dbf->db_flen = 1;
                        break;
            case 'D':
                        dbf->db_flen = 8;
                        break;
            default:
                dbf->db_flen = get_short(dbfield.dbf_flen);
                        break;
        }
-------------------------------

after patch:
-------------------------------
        switch (dbf->db_type) {
            case 'N':
                dbfield.dbf_flen[0] = dbf->db_flen;
                dbfield.dbf_flen[1] = dbf->db_fdc;
                break;
            case 'D':
                dbf->db_flen = 8;
                put_short(dbfield.dbf_flen, dbf->db_flen);
                break;
            case 'L':
                dbf->db_flen = 1;
                put_short(dbfield.dbf_flen, dbf->db_flen);
                break;
            default:
                put_short(dbfield.dbf_flen, dbf->db_flen);
        }
-------------------------------
 [2010-09-28 09:17 UTC] kp at kll dot pl 
sorry for above, correct function is: put_dbf_field
and...

before patch:
-------------------------------
       switch (dbf->db_type) {
            case 'N':
                dbfield.dbf_flen[0] = dbf->db_flen;
                dbfield.dbf_flen[1] = dbf->db_fdc;
                break;
            case 'D':
                dbf->db_flen = 8;
                break;
            case 'L':
                dbf->db_flen = 1;
                break;
            default:
                put_short(dbfield.dbf_flen, dbf->db_flen);
        }
-------------------------------


after patch should be:
-------------------------------
        switch (dbf->db_type) {
            case 'N':
                dbfield.dbf_flen[0] = dbf->db_flen;
                dbfield.dbf_flen[1] = dbf->db_fdc;
                break;
            case 'D':
                dbf->db_flen = 8;
                put_short(dbfield.dbf_flen, dbf->db_flen);
                break;
            case 'L':
                dbf->db_flen = 1;
                put_short(dbfield.dbf_flen, dbf->db_flen);
                break;
            default:
                put_short(dbfield.dbf_flen, dbf->db_flen);
        }
-------------------------------
 [2010-09-28 10:38 UTC] alan at akbkhome dot com 
Thanks, I'll try and commit it in a few days.
 [2010-09-28 11:33 UTC] kp at kll dot pl 
Great, waiting...

It was tested on production server.

In Clipper some RDD like NTX discard this header value but some like ADS relay on it and report corrputed file.

Some other tools may relay on it too.
 [2010-10-11 02:22 UTC] alan at akbkhome dot com 
Thank you for your bug report. This issue has been fixed
in the latest released version of the package, which you can download at
http://pecl.php.net/get/dbase
 
PHP Copyright © 2001-2025 The PHP Group
All rights reserved. 		Last updated: Tue Oct 28 20:00:01 2025 UTC