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[2006-04-28 06:03 UTC] rriehle at gmail dot com
Description:
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Using SQL Server 2005 (SP1).
Unable to connect with logins that have passwords greater than 30 characters long using mssql_connect or mssql_pconnect.
The logins work fine from the server client tools; I spent hours troubleshooting this. sigh.
The reason the passwords I was trying to use were 32 characters is becuase I was using MD5 hashes of plain passwords for my server logins.
Reproduce code:
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$dbh = mssql_pconnect("MyHost", "testlogin", "passwordpasswordpasswordpassword");
OR
$dbh = mssql_connect("BUILDWAY-NET", "testlogin", "passwordpasswordpasswordpassword");
Expected result:
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Expect $dbh to hold a link identifier to a mssql connection.
I expected that the statements would connect with passwords that have a length as long as the server can accept.
Actual result:
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Returns false with these messages:
Debug Warning: c:\Inetpub\wwwroot\includes\ez_sql-ms.php line 71 - mssql_pconnect() [<a href='file:///C:\Program Files\Zend\ZendStudioClient-5.1.0\docs\PHPmanual/function.mssql-pconnect'>function.mssql-pconnect</a>]: message: Login failed for user 'testlogin'. (severity 14)
Debug Warning: c:\Inetpub\wwwroot\includes\ez_sql-ms.php line 71 - mssql_pconnect() [<a href='file:///C:\Program Files\Zend\ZendStudioClient-5.1.0\docs\PHPmanual/function.mssql-pconnect'>function.mssql-pconnect</a>]: Unable to connect to server: BUILDWAY-NET
Errors are the same for mssql_connect (except that the p in mssql_pconnect is left out).
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Last updated: Sun Nov 02 19:00:02 2025 UTC |
Here is the changes required to accept password longer than 30 chars Steps to follow: 1) cd /usr/local/src/freetds-0.91/ 2) Change the values as required in freetds src: # Default values: # Filename: include/sybdb.h (line 67) #define DBMAXNAME 30 # Filename: include/tds.h (line 760) #define TDS_MAX_DYNID_LEN 30 # Filename: include/tds.h (line 831) #define TDS_MAX_LOGIN_STR_SZ 30 3) Modify the TDS_MAX_LOGIN_STR_SZ macro to overcome the password limitation of 30 chars 4) Recompile the freetds make clean && ./configure --prefix=/usr/local/freetds --with-tdsver=8.0 --enable-msdblib --enable-dbmfix --with-gnu-ld && make && make install 5) Restart the apache /usr/local/apache2/bin/apachectl stop && /usr/local/apache2/bin/apachectl start 6) Export the FREETDS export FREETDSCONF=/etc/freetds.conf Test the MSSQLdatabase connection using CLI > php -a Interactive mode enabled <?php $conn = mssql_connect('hostname','username','password'); var_dump($conn); if (!$conn) echo $strerr = "ERROR: Failed to connect to MSSQL Server ('hostname') : ".mssql_get_last_message(); ?> CTR+D expected output: resource(1) of type (mssql link)