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IDS Forum

Re: RE: Informix Authentication failure with Hp-Un

Posted By: Fernando Nunes
Date: Monday, 24 August 2015, at 4:32 p.m.

In Response To: Re: RE: Informix Authentication failure with Hp-Un (Vaibhav S Dantale)

err.... that's why oninit is owned by root and setuid.... or was this a
non-root informix installation?
On Aug 24, 2015 8:31 PM, "Vaibhav S Dantale" <vdantale@in.ibm.com> wrote:

> Forgot to mention that Jonathan Leffler was really helpful in debugging=20
> the issue. Thanks Jonathan.
>
> Regards,
> Vaibhav S Dantale
> IBM Informix CTE Lead
> Mobile - +91-9503161335
> email- vdantale@in.ibm.com
> Twitter - @dantalevs
> Blog - http://timeseriesibm.blogspot.in/ (Works better in firefox)
>
> From: Vaibhav S Dantale/India/IBM
> To: ids@iiug.org
> Date: 08/25/2015 12:48 AM
> Subject: Re: RE: Informix Authentication failure with Hp-Un [35642]
>
> The problem is solved. It was interesting problem and hence sharing it=20
> with you all:
>
> Vikas has a trusted system setup which doesn't maintain /etc/shadow
> file.=20
> For HP, Informix checks if the system is trusted or not using a function=20
> iscomsec(). If it returns 1, its a trusted system and informix skip=20
> password validation and if it returns 0, informix checks for /etc/shadow=20
> file.
>
> iscomsec determines if the system is a trusted system or not by checking=20
> the file, /tcb/files/auth/system/default. If the file exists, the system=20
> is a trusted system. If the file does not exist, the system is not a=20
> trusted system.
>
> On Vikas's system, the /tcb/files/auth directory had 700 root:sys=20
> permission and hence even though /tcb/files/auth/system/default file was=20
> present, iscomsec was not able to read and was returning 0.
>
> By changing permission of /tcb/files/auth to 771 root:sys and ensuring=20
> permission of /tcb/files/auth/system also is same, the problem is fixed.
>
> To know more about iscomsec -=20
> http://docstore.mik.ua/manuals/hp-ux/en/B2355-60130/iscomsec.2.html
>
> Regards,
> Vaibhav S Dantale
> IBM Informix CTE Lead
> Mobile - +91-9503161335
> email- vdantale@in.ibm.com
> Twitter - @dantalevs
> Blog - http://timeseriesibm.blogspot.in/ (Works better in firefox)
>
> From: "VIKAS HIVARKAR" <vikas.hivarkar@gmail.com>
> To: ids@iiug.org
> Date: 08/24/2015 04:54 PM
> Subject: Re: RE: Informix Authentication failure with Hp-Un [35642]
> Sent by: ids-bounces@iiug.org
>
> Hi,=20
>
> On the database server when I try to do=20
> dbaccess >>=20
> CONNECTION: Connect >>=20
> SELECT DATABASE SERVER >> sds1=20
> USER NAME >> vikas=20
> PASSWORD >> xxxxxx=20
>
> 951: Incorrect password or user vikas@dbserver is not known on the=20
> database=20
> server=20
>
> And because I have a trust based connection establised for this user I can
> =
>
> simply enter and query the database by doing "dbaccess sds1" with out
> any=20
> error.=20
>
> I am trying all this with user that is valid (unlocked) on the database=20
> server=20
> it self.=20
>
> Have raised a PMR with IBM but no help as of now. Kinda weird and=20
> troubling a=20
> lot.=20
>
> Regards,=20
> Vikas=20
>
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=20
>
> >>Hello.=20
> >>You didn't mention, but.. what Java driver version are you using ???=20
> >>Maybe you are using an old version, that might be facing some bug.=20
> >>The latest version is Informix JDBC 4.10.JC5, check it out.=20
> >>=20
> >>If you are using a recommended/compatible JDBC driver, you should be=20
> guided=20
> to open a PMR in IBM support.=20
> >>=20
> >>Hope it helps.=20
> >>Regards.=20
> >>=20
> >>Alexandre Marini=20
> >>IBM Informix Certified Professional v10 / v11.50 / v11.70 / v12.10=20
> >>=20
> >>IBM Information Management Informix Technical Professional=20
> >>=20
> >>IBM Certified Developer - Informix Genero=20
> >>BRIUG website administrator=20
> >>Informix independent consultant=20
>
> > To: ids@iiug.org=20
> > From: vikas.hivarkar@gmail.com=20
> > Subject: Informix Authentication failure with Hp-Unix [35620]=20
> > Date: Fri, 21 Aug 2015 06:41:06 -0400=20
> >=20
> > IDS 12.10.FC4W1X3 on HP-Unix B.11.31 U ia64 (configured to work in=20
> trusted=20
> > mode, NO shadowing)=20
> >=20
> > This issue is pertianing to connection with one of the sds nodes=20
> >=20
> > I am facing a very weird issue of connectivity with one of the java=20
> > application trying to connect to informix database using correct user id
> =
>
> and=20
> > password and still getting the below error in online.log=20
> >=20
> > 14:45:39 Password Validation for user [vikas] failed!=20
> > 14:45:39 Check for password aging/account lock-out.=20
> > 14:45:39 listener-thread: err =3D -952: oserr =3D 0: errstr =3D=20
> > vikas@prodbcc: User (vikas@prodbcc)'s password is not correct=20
> > for the database server.=20
> >=20
> > The Java application log file shows following error=20
> > [2015-08-20 14:45:39,652] WARN AdviserConnectionPool:179 - Exception=20
> > Occured while getting Connection. You may be need to increase the
> pool.=20
> > org.apache.commons.dbcp.SQLNestedException: Cannot create=20
> > PoolableConnectionFactory (Incorrect password or user
> com.informix.asf.=20
> > IfxASFRemoteException: vikas@prodbcc is not known on the database=20
> > server.)=20
> >=20
> > With user "vikas" and valid password I am able to login to database=20
> server=20
> > host and do dbaccess successfully but it does not work with the JDBC=20
> string=20
> >=20
> > We even tried writting a small java connection code program but there=20
> too it=20
> > fails.=20
> > String DbUrl =3D=20
> >=20
> "jdbc:informix-sqli://
> 200.200.165.165:2000/test:informixserver=3Dprod1;user=
> =3Dvikas;password=3Dxxxxxxx;";=20
>
> >=20
> > Even with ODBC connectino from my machine to this server with
> different=20
> user=20
> > id's including "informix" user does not work and gives the same error=20
> "user=20
> > not known on database server"=20
> >=20
> > surprisingly this app when configured to point ot another SDS instance=20
> or=20
> the=20
> > primary instance, the connneciton is successfull.=20
> >=20
> > Checked all the corresponing /etc/hosts, hosts.equiv and even tried=20
> ..rhosts=20
> > entries but nothing seems to be working=20
> > Checked the permissions of oninit file and confirmed that the instance=20
> was=20
> > started with user "informix" only.=20
> > Checked with a 6 character password (less than 8) but did not work.=20
> >=20
> > Checked out the following IBM links for similar issue but did not help=20
> > http://www-01.ibm.com/support/docview.wss?uid=3Dswg21141697=20
> > http://www-01.ibm.com/support/docview.wss?uid=3Dswg21177527=20
> >=20
> > Any more checks or suggesstions can be helpful.=20
> >=20
> > Regards,=20
> > Vikas=20
> >=20
> >=20
> >=20
>
> ***************************************************************************=
> ****=20
>
> > Forum Note: Use "Reply" to post a response in the discussion forum.=20
> >=20
>
>
> ***************************************************************************=
> ****=20
>
> Forum Note: Use "Reply" to post a response in the discussion forum.=20
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--001a113ed2f86c5463051e14843c

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