I have a default Teiid 12.2 installation on RHEL 8.
Now I'm trying to configure an ODBC connection that would be used by PHP.
This always results in an error "[unixODBC]received invalid response to GSSAPI negotiation: R"
This is my ODBC configuration
[TEIID12]
Driver = PostgreSQL
Trace = No
Description = PostgreSQL Data Source
Servername = servername
Port = 35432
Protocol = 7.4-1
UserName = someusername
Password = xxxx
Database = vdb
ReadOnly = no
ServerType = Postgres
ConnSettings =
UseServerSidePrepare=1
Debug=0
Fetch = 10000
A regular isql command also fails with the same information
isql -v TEIID12 someusername xxxx
Results in:
[08001][unixODBC]received invalid response to GSSAPI negotiation: R
[ISQL]ERROR: Could not SQLConnect
Additional information:
The same configuration used to work on a different Linux Distro (Ubuntu) but on this machine, kerberos was not configured. So I assume that this is influincing some sort of "preference".
The standalone-teiid.xml configuration has <ssl mode="disabled" /> for the odbc transport. And yet the GSS API errors occur.
In combination with the later, is it possible that the postgresql ODBC driver is requiring GSS to be used? Is there a setting in odbc.ini where this can be disabled?
On Ubuntu the driver version was 10.01, on RHEL it is 10.03
A solution that worked was to set the environment variable PGGSSENCMODE=disable in /etc/profile.
I'm trying to use Sphinx Search on Firebird via UnixODBC. All components separately work fine: Sphinx passes tests with MySQL samples and ODBC connects to firebird's .fdb
But if I try to connect Sphinx to ODBC, I get this indexing error:
ERROR: index 'fb': sql_connect: [unixODBC][ODBC Firebird
Driver]unavailable database (DSN=odbc://:***#:0/).
Here is part of my sphinx.conf:
source src_fb
{
type=odbc
odbc_dsn=Driver=/usr/lib/libOdbcFb.so;Dbq=localhost:/var/lib/firebird/2.5/data/employee.fdb;Uid=SYSDBA;Pwd=
sql_query = \
SELECT id, group_id, UNIX_TIMESTAMP(date_added) AS date_added, title, content \
FROM documents
}
.fdb is the same file ODBC connects to.
Here is the solution:
In sphinx.conf I changed only one string:
odbc_dsn=DSN=employee
So now Sphinx takes all required data from ODBC configuration files.
Database from odbc.ini:
[employee]
Description = Firebird
Driver = Firebird
Dbname = localhost:/var/lib/firebird/2.5/data/employee.fdb
User = SYSDBA
Password =
Role =
CharacterSet =
ReadOnly = No
NoWait = No
And the driver configs from odbcinst.ini:
[Firebird]
Description = Firebird ODBC Driver
Driver = /usr/lib/libOdbcFb.so
Threading = 1
FileUsage = 1
CPTimeout =
CPReuse =
First post on StackExchange - please go easy :)
I have setup ODBC in Centos 6 in order to perform ms-sql queries from my Asterisk installation.
My Config files are:
/etc/odbc.ini
[asterisk-connector]
Description = MS SQL connection to 'asterisk' database
Driver = /usr/lib64/libtdsodbc.so
Setup = /usr/lib64/libtdsS.so
Servername = SQL2
Port = 1433
Username = MyUsername
Password = MyPassword
TDS_Version = 7.0
/etc/odbcinst.ini
[odbc-test]
Description = TDS connection
Driver = /usr/lib64/libtdsodbc.so
Setup = /usr/lib64/libtdsS.so
UsageCount = 1
FileUsage = 1
/etc/asterisk/res_odbc.conf
[asterisk-connector]
enabled => yes
dsn => asterisk-connector
username => MyUsername
password => MyPassword
pooling => no
limit =>
pre-connect => yes
I am able to connect via ISQL when I pass in the password and username:
[root#TestVM etc]# isql -v asterisk-connector MyUsername MyPassword
+---------------------------------------+
| Connected! |
| |
| sql-statement |
| help [tablename] |
| quit |
| |
+---------------------------------------+
SQL>
..but I should be able to connect without the username / password. All that returns is:
[root#TestVM etc]# isql -v asterisk-connector
[S1000][unixODBC][FreeTDS][SQL Server]Unable to connect to data source
[01000][unixODBC][FreeTDS][SQL Server]Adaptive Server connection failed
[ISQL]ERROR: Could not SQLConnect
It is as if ISQL cannot read the username and password from the config files.
I need to be able to perform MS-SQL lookups from within the Asterisk dialplan, but for that to happen I must be able to call ISQL with just the data source name and can't pass in the authentication parameters.
All the guides I've read online state that I should be able to connect with just the
isql -v asterisk-connector
command, but that's not happening for me.
I've been pulling my hair out for a few days on this, so any help or pointers in the right direction would be much appreciated.
Thanks in advance.
Edit:
I have turned on logging, and may have a clue. The username and password definitely aren't being passed in. Look:
[ODBC][27557][1455205133.129690][SQLConnect.c][3614]
Entry:
Connection = 0xac3080
Server Name = [asterisk-connector][length = 18 (SQL_NTS)]
User Name = [NULL]
Authentication = [NULL]
UNICODE Using encoding ASCII 'ISO8859-1' and UNICODE 'UCS-2LE'
DIAG [01000] [FreeTDS][SQL Server]Adaptive Server connection failed
DIAG [S1000] [FreeTDS][SQL Server]Unable to connect to data source
So User Name and Authentication here are [NULL]. It's obviously not picking up the username / password in odbc.ini or res_odbc.conf, but the question is why. I'll keep investigating :)
Edit2:
The OSQL utility returns:
[root#TestVM etc]# osql -S SQL2 -U MyUsername -P MyPassword
checking shared odbc libraries linked to isql for default directories...
strings: '': No such file
trying /tmp/sqlH ... no
trying /tmp/sqlL ... no
trying /etc ... OK
checking odbc.ini files
reading /root/.odbc.ini
[SQL2] not found in /root/.odbc.ini
reading /etc/odbc.ini
[SQL2] found in /etc/odbc.ini
found this section:
looking for driver for DSN [SQL2] in /etc/odbc.ini
no driver mentioned for [SQL2] in odbc.ini
looking for driver for DSN [default] in /etc/odbc.ini
osql: error: no driver found for [SQL2] in odbc.ini
I would replace "Username" with "UID" and "Password" with "PWD" in your odbc.ini.... from FreeTDS Manual - Chapter 4 - Preparing ODBC:
The original ODBC solution to this conundrum employed the odbc.ini file. odbc.ini stored information about a server, known generically as a Data Source Name (DSN). ODBC applications connected to the server by calling the function SQLConnect(DSN, UID, PWD), where DSN is the Data Source Name entry in odbc.ini, UID is the username, and PWD the password. Any and all information about the DSN was kept in odbc.ini. And all was right with the world.
The ODBC 3.0 specification introduced a new function: SQLDriverConnect. The connection attributes are provided as a single argument, a string of concatenated name-value pairs. SQLDriverConnect subsumed the functionality of SQLConnect, in that the name-value pair string allowed the caller to pass — in addition the the original DSN, UID, and PWD — any other parameters the driver could accept. Moreover, the application can specify which driver to use. In effect, it became possible to specify the entire set of DSN properties as parameters to SQLDriverConnect, obviating the need for odbc.ini. This led to the use of the so-called DSN-less configuration, a setup with no odbc.ini.
Ok, so I solved it (pretty much). The password and username in my odbc files were being ignored. Because I was calling the DB queries from Asterisk, I was using a file called res_odbc.ini too. This contained my username and password also, and when I run the query from Asterisk, it conencts and returns the correct result.
In case it helps, here is my final working configuration.
odbc.ini
[asterisk-connector]
Description = MS SQL connection to asterisk database
driver = /usr/lib64/libtdsodbc.so
servername = SQL2
Port = 1433
User = MyUsername
Password = MyPassword
odbcinst.ini
[FreeTDS]
Description = TDS connection
Driver = /usr/lib64/libtdsodbc.so
UsageCount = 1
[ODBC]
trace = Yes
TraceFile = /tmp/sql.log
ForceTrace = Yes
freetds.conf
# $Id: freetds.conf,v 1.12 2007/12/25 06:02:36 jklowden Exp $
#
# This file is installed by FreeTDS if no file by the same
# name is found in the installation directory.
#
# For information about the layout of this file and its settings,
# see the freetds.conf manpage "man freetds.conf".
# Global settings are overridden by those in a database
# server specific section
[global]
# TDS protocol version
; tds version = 4.2
# Whether to write a TDSDUMP file for diagnostic purposes
# (setting this to /tmp is insecure on a multi-user system)
dump file = /tmp/freetds.log
; debug flags = 0xffff
# Command and connection timeouts
; timeout = 10
; connect timeout = 10
# If you get out-of-memory errors, it may mean that your client
# is trying to allocate a huge buffer for a TEXT field.
# Try setting 'text size' to a more reasonable limit
text size = 64512
# A typical Sybase server
[egServer50]
host = symachine.domain.com
port = 5000
tds version = 5.0
# A typical Microsoft server
[SQL2]
host = 192.168.1.59
port = 1433
tds version = 8.0
res_odbc.conf
[asterisk-connector]
enabled = yes
dsn = asterisk-connector
username = MyUsername
password = MyPassword
pooling = no
limit = 1
pre-connect = yes
Remember if you are using Centos 64 bit to modify the driver path to lib64. Most of the guides online have the wrong (for 64 bit) paths.
Good luck - it's a headache :)
I contacted the Nick Gorham the developer of unixODBC about this exact issue and he confirmed that isql is not reading the username/password from the config file
Hi Nick,
I think unixODBC is a great project but I was surprised to see that it
is insecure (or at least I don’t know how to use it properly).
When I connect to the database using the isql I have to type in the
password. On a shared server this is insecure because the
$ ps –aux
Command shows the password in clear.
Is there a fix for that? Can I put the password in a file readable
only by my user?
Thank you for your help.
The answer:
Hi,
It depends on the driver. Some can read the user and password from the
odbc.ini or ~/.odbc.ini file so you can store the password there.
isql is only designed as a simple test app, there is nothing stopping
you from modifying ilsq to pull the user and password from a file of
your choice, decrypting it if needed.
I was having a slightly different issue, but my google search lead me here. When trying to connect through isql, I was getting Login failed for user '' even though I had specified a user in my odbc.ini file
[SQLSERVER_SAMPLE]
Driver=ODBC Driver 17 for SQL Server
Server=SERVER
Database=DATABASE
Trusted_Connection=no
UID=USER
PWD=PASSWORD
I tried both UID and User, but both gave the same error. After reading #Andrei Sura's solution, I figured out that the username and password were being ignored.
My solution was to run isql -v SQLSERVER_SAMPLE USER PASSWORD even though the username and password were specified in the odbc.ini file - and it connected.
I like to use connect engine of mariadb to connect to a firebird database via ODBC on a server which is running on Centos 7.
I have already established a connection to sqlserver. The odbc-test to the firebird-database with isql works as well.
This is my create-statement:
CREATE TABLE con.test_table_apys
ENGINE=CONNECT
TABLE_TYPE=ODBC
TABNAME='wsk_lager_st'
CONNECTION='DSN=apys;UID=SYSDBA;PWD=myownpassword';
After sending the statement to the server I got this error message:
ERROR 2006 (HY000): MySQL server has gone away
This is the content of odbc.ini
[apys]
Description = Firebird
Driver = Firebird
Dbname = apysdbserver/3051:vm_apys_ori205
Role =
CharacterSet = WIN1252
ReadOnly = No
NoWait = No
Any ideas? Thank you.
Now it works. The modifications are:
I have put username and password in odbc.ini
[apys]
Description = Firebird
Driver = Firebird
Dbname = apysdbserver/3051:vm_apys_ori205
Role =
CharacterSet = WIN1252
ReadOnly = No
NoWait = No
User = SYSDBA
Password = myownpassword
removed user and password from create-statement
CREATE TABLE con.test_table_apys
ENGINE=CONNECT
TABLE_TYPE=ODBC
TABNAME='wsk_lager_st'
CONNECTION='DSN=apys';
and defined the columns
CREATE TABLE con.test_table_apys (
ID INT,
some_text VARCHAR(100)
)
ENGINE=CONNECT
TABLE_TYPE=ODBC
TABNAME='wsk_lager_st'
CONNECTION='DSN=apys';
Here is my code details
Step 1.
/etc/freetds/freettds.conf
[mssql]
host = 192.168.1.10
port = 1433
tds version =8.0
client charset = UTF-8
Step 2
/etc/odbcinst.ini
[FreeTDS]
Description = FreeTDS
Driver = /usr/lib/i386-linux-gnu/odbc/libtdsodbc.so
Setup = /usr/lib/i386-linux-gnu/odbc/libtdsS.so
Step 3
/etc/odbc.ini
[mssqltest]
Description = MS SQL connection to mssqltest database
Driver = FreeTDS
Database = cakephp_results
Server = mssql
UserName = sa
Password = sa
Trace = Yes
Port = 1433
I tried to connect sql by command line with the following command:
$ tsql -S mssqltest -U sa -P sa
Error 20012 (severity 2):
Server name not found in configuration files.
locale is "en_IN"
locale charset is "UTF-8"
using default charset "UTF-8"
Error 20013 (severity 2):
Unknown host machine name.
There was a problem connecting to the server
You should copy /etc/freetds.conf to your home folder with dot before its name like this:
cp /etc/freetds.conf ~/.freetds.conf
Looks like it searches for config per user, I got the same problem recently.
Try creating freetds.conf file in /usr/local/etc
Creating a ~/.freetds.conf should work for you. It works fine for me