The
pam_get_item function stores a pointer to the item specified by the
item_type argument in the location specified by the
item argument. The item is retrieved from the PAM context specified by the
pamh argument. The following item types are recognized:
PAM_SERVICE
The name of the requesting service.
PAM_USER
The name of the user the application is trying to authenticate.
PAM_TTY
The name of the current terminal.
PAM_RHOST
The name of the applicant's host.
PAM_CONV
A struct pam_conv describing the current conversation function.
PAM_AUTHTOK
The current authentication token.
PAM_OLDAUTHTOK
The expired authentication token.
PAM_RUSER
The name of the applicant.
PAM_USER_PROMPT
The prompt to use when asking the applicant for a user name to authenticate as.
PAM_AUTHTOK_PROMPT
The prompt to use when asking the applicant for an authentication token.
PAM_OLDAUTHTOK_PROMPT
The prompt to use when asking the applicant for an expired authentication token prior to changing it.
PAM_SOCKADDR
The sockaddr_storage of the applicants's host.
PAM_NUSER
The “nested” user if this is a login on top of a previous one.
See
pam_start(3) for a description of
struct pam_conv.