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| Henry |
 Posted: Sat Nov 01, 2003 9:14 pm Post subject: Provide userid in C and VB |
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Acolyte
Joined: 08 Oct 2003
Posts: 73
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Hi!
I would like to ask how can I provide userid in C and VB in order to connect to the queue and qmanager? The C programme is running in Solaris and Windows NT.
How should I code for the userid and password in my programme in C, VB in order to connect the queue manager and open the queue?
Many thanks!!
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| JasonE |
| Posted: Tue Nov 04, 2003 2:38 am Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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| Without security exits in place, the client always sends over the signed on userid on Unix and Windows, so you have no control over what userid is used. You can use alternate userids once connected (if +altusr authorized) but you cannot change what the connect is done with. |
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| jefflowrey |
| Posted: Tue Nov 04, 2003 5:32 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| JasonE wrote: |
| Without security exits in place, the client always sends over the signed on userid on Unix and Windows, so you have no control over what userid is used. You can use alternate userids once connected (if +altusr authorized) but you cannot change what the connect is done with. |
Unless of course, your program changes what user it is running as before it makes the connection.
Code to do this is left as an exercise... 
_________________
I am *not* the model of the modern major general. |
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| Henry |
| Posted: Tue Nov 04, 2003 8:14 pm Post subject: |
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Acolyte
Joined: 08 Oct 2003
Posts: 73
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In java code, there is an API call to give the userid
MQEnvironment.userID = "<userid>"
is there any API call in C or VB like the java one? |
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| JasonE |
| Posted: Wed Nov 05, 2003 1:51 am Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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| No. I think the only reason you can do it in java is because getting the signed on userid is unreliable (a system property which I think is unreadable from an applet). |
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| vanvught |
| Posted: Sun Nov 09, 2003 5:33 am Post subject: |
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Apprentice
Joined: 02 Jul 2001
Posts: 35
Location: The Netherlands
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In C you have:
| Code: |
struct tagMQOD {
MQCHAR4 StrucId; /* Structure identifier */
MQLONG Version; /* Structure version number */
MQLONG ObjectType; /* Object type */
MQCHAR48 ObjectName; /* Object name */
MQCHAR48 ObjectQMgrName; /* Object queue manager name */
MQCHAR48 DynamicQName; /* Dynamic queue name */
MQCHAR12 AlternateUserId; /* Alternate user identifier */ |
| Quote: |
AlternateUserId (MQCHAR12)
Alternate user identifier.
If MQOO_ALTERNATE_USER_AUTHORITY is specified for the MQOPEN call, or MQPMO_ALTERNATE_USER_AUTHORITY for the MQPUT1 call, this field contains an alternate user identifier that is to be used to check the authorization for the open, in place of the user identifier that the application is currently running under. Some checks, however, are still carried out with the current user identifier (for example, context checks).
If MQOO_ALTERNATE_USER_AUTHORITY or MQPMO_ALTERNATE_USER_AUTHORITY is specified and this field is entirely blank up to the first null character or the end of the field, the open can succeed only if no user authorization is needed to open this object with the options specified.
If neither MQOO_ALTERNATE_USER_AUTHORITY nor MQPMO_ALTERNATE_USER_AUTHORITY is specified, this field is ignored.
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Regards, Arjan
WBI: B2B and WebSphere MQ --> http://edi.services.ibm.com/mqseries/spec_sheets.shtml |
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| JasonE |
| Posted: Mon Nov 10, 2003 12:59 am Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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Yes, but dont forget alternate id's dont affect connects and require the userid connecting to be authorized to use alternate userid.
The Java equivalent sets the userid on the connect, which is slightly different. |
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