04-24-2013
Quote:
Originally Posted by
pablod76
is there anything i can do ? i don't have any other user credentials
Ask the system administrator to do the changes.
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LEARN ABOUT POSIX
pam_setcred
PAM_SETCRED(3) Linux-PAM Manual PAM_SETCRED(3)
NAME
pam_setcred - establish / delete user credentials
SYNOPSIS
#include <security/pam_appl.h>
int pam_setcred(pam_handle_t *pamh, int flags);
DESCRIPTION
The pam_setcred function is used to establish, maintain and delete the credentials of a user. It should be called to set the credentials
after a user has been authenticated and before a session is opened for the user (with pam_open_session(3)). The credentials should be
deleted after the session has been closed (with pam_close_session(3)).
A credential is something that the user possesses. It is some property, such as a Kerberos ticket, or a supplementary group membership that
make up the uniqueness of a given user. On a Linux system the user's UID and GID's are credentials too. However, it has been decided that
these properties (along with the default supplementary groups of which the user is a member) are credentials that should be set directly by
the application and not by PAM. Such credentials should be established, by the application, prior to a call to this function. For example,
initgroups(2) (or equivalent) should have been performed.
Valid flags, any one of which, may be logically OR'd with PAM_SILENT, are:
PAM_ESTABLISH_CRED
Initialize the credentials for the user.
PAM_DELETE_CRED
Delete the user's credentials.
PAM_REINITIALIZE_CRED
Fully reinitialize the user's credentials.
PAM_REFRESH_CRED
Extend the lifetime of the existing credentials.
RETURN VALUES
PAM_BUF_ERR
Memory buffer error.
PAM_CRED_ERR
Failed to set user credentials.
PAM_CRED_EXPIRED
User credentials are expired.
PAM_CRED_UNAVAIL
Failed to retrieve user credentials.
PAM_SUCCESS
Data was successful stored.
PAM_SYSTEM_ERR
A NULL pointer was submitted as PAM handle, the function was called by a module or another system error occured.
PAM_USER_UNKNOWN
User is not known to an authentication module.
SEE ALSO
pam_authenticate(3), pam_open_session(3), pam_close_session(3), pam_strerror(3)
Linux-PAM Manual 06/04/2011 PAM_SETCRED(3)