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I have an application that authenticates users, but it only works when run as root, and when it's told to use PAM (doesn't work when it's told to use shadow file).
Users other than root are not able to run the application to authenticate users by either using shadow (kind of understandable as it needs root to see shadow) or PAM. So, a non-root user is unable to run the application to authenticate users.
The application uses the 'login' service.
This is what uname -a looks like:
Linux kamet 188.8.131.52-0.8-xen #1 SMP Mon Jul 3 18:25:39 UTC 2006 i686 i686 i386 GNU/Linux
login file (/etc/pam.d/login) is as follows:
#auth required pam_securetty.so
auth include common-auth
auth required pam_nologin.so
account include common-account
password include common-password
session include common-session
session required pam_lastlog.so nowtmp
session required pam_resmgr.so
session optional pam_mail.so standard
common-auth (/etc/pam.d/common-auth) is as follows:
Quite obviously, the password is perfectly correct, and /etc/shadow has it as follows (patqa2 being the user name):
THE BIG QUESTION:
What's going on?
Any help would be greatly appreciated as I'm not really sure what's going on with this!
The tool is owned by the user patqa2.
hmm well if file doesnt have a permissions to access your PAM auth file then it will fail, it is like shadow file in this case, you have passwd(644)file that has read access for everybody so any script can view it, and then passwd itself is owned by root, has a permission to access shadow. so i assume you should have same schema here, or what you can try to do is to change permissions for your PAM to 644 so it can be read by all users...