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тАО10-12-2010 06:03 AM
тАО10-12-2010 06:03 AM
PAM_TEXT_INFO with T1471AA Secure Shell on Trusted Mode?
I'm getting ready to do some more serious digging, but I was hoping someone might have run into this before and could lend a hand.
I have HP Secure Shell A.05.20.013 running on an untrusted HP-UX 11.11 system, and it displays the PAM text info message from my PAM module with no problem.
I have both this version, the next newer, and the latest available version running on a collection of Trusted Mode systems, and nothing at all shows up, even though the PAM module reports that the message was sent successfully, and a tusc of the sshd process shows the message arriving - it just never gets delivered to the user by the sshd. UsePAM is set to "yes," of course.
The sshd in debug mode shows "sshpam_store_conv called with 1 messages", so there's definitely something going on.
The "ShowLastLog" option also fails to work as expected in Trusted Mode systems, so I'm wondering if this might be a related issue - perhaps there's some issue with interaction between T1471AA and Trusted Mode? Does privilege separation need to be disabled from Trusted systems, maybe?
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тАО10-12-2010 07:09 AM
тАО10-12-2010 07:09 AM
Re: PAM_TEXT_INFO with T1471AA Secure Shell on Trusted Mode?
I recompiled the sshd from the T1471AA A.05.50.013 /opt/ssh/src directory with no changes to the source code other than adding a debug3() line and fixing a couple of build problems, and the messages appear just fine now.
So it would appear that there's a problem in the way in which T1471AA is built that is resulting in dropped PAM messages.
My configure was run as:
configure --prefix=/opt/ssh --with-pam --with-ipaddr-display
I had to add "-lpthread" to LIBS and cipher-ctr-mt.o to LIBSSH_OBJS in the Makefile to get a successful build, and run "make sshd" to avoid a problem building one of the man pages.
Then:
/opt/ssh/src/ssh/sshd -p 10 -ddd
... on the server and:
ssh -p 10
... on the client, and voila, the PAM_TEXT_INFO messages appeared with no problem.
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тАО10-12-2010 01:55 PM
тАО10-12-2010 01:55 PM
Re: PAM_TEXT_INFO with T1471AA Secure Shell on Trusted Mode?
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тАО10-20-2010 08:01 PM
тАО10-20-2010 08:01 PM
Re: PAM_TEXT_INFO with T1471AA Secure Shell on Trusted Mode?
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тАО10-20-2010 08:02 PM
тАО10-20-2010 08:02 PM