I have been looking in the archives that somebody talks about changing the username by using PAM (http://www.redhat.com/archives/pam-list/2008-November/msg00009.html).
I am facing with the same problem. I would like to access using OpenSSH another machine in which there is a PAM module that carry out a change of user. Let me explain it better. What I am trying to do is:
- Through OpenSSH the user inputs as username 'anonymous' and password 'anonymous' too.
- The PAM module tries to map 'guest' to 'system' and doesn't mind about the password.
- The final result would be to see the prompt showing 'system@mycomputer$' and the corresponding folder mounted as the working one.
int pam_sm_authenticate(pam_handle_t *pamh,int flags,int argc,const char **argv)
{
int retval = pam_set_item(pamh, PAM_USER, "system");
return PAM_SUCCESS;
}
BUT the log says that 'anonymous' is not a valid user and it doesn't log as 'system'. My questions are:
- Despite the fact that I have created 'anonymous' as user, I haven't been capable of mapping the user 'system' with PAM.
- I have taking a look to NSS (which is one of the solutions given in the previously mentioned thread) and don't know how does it fit in this structure. Am I wrong?
- Is OpenSSH fault because it seems that doesn't take into account the change of user?
- Is user mapping possible in this structure (OpenSSH + PAM)?
Thanks a lot
Have a great day
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