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PAM_GET_ITEM(3)            Library Functions Manual            PAM_GET_ITEM(3)

NAME
     pam_get_item -- get PAM information

LIBRARY
     Pluggable Authentication Module Library (libpam, -lpam)

SYNOPSIS
     #include <&lt;sys/types.h>&gt;
     #include <&lt;security/pam_appl.h>&gt;

     int
     pam_get_item(const pam_handle_t *pamh, int item_type, const void **item);

DESCRIPTION
     The pam_get_item function stores a pointer to the item specified by the
     item_type argument in the location pointed to by the item argument.  The
     item is retrieved from the PAM context specified by the pamh argument.
     If pam_get_item fails, the item argument is untouched.

     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_HOST            The name of the host the application runs on.

     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.

RETURN VALUES
     The pam_get_item function returns one of the following values:

     [PAM_SYMBOL_ERR]    Invalid symbol.

     [PAM_SYSTEM_ERR]    System error.

SEE ALSO
     pam(3), pam_set_item(3), pam_start(3), pam_strerror(3)

STANDARDS
     X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules,
     June 1997.

AUTHORS
     The pam_get_item function and this manual page were developed for the
     FreeBSD Project by ThinkSec AS and Network Associates Laboratories, the
     Security Research Division of Network Associates, Inc. under DARPA/SPAWAR
     contract N66001-01-C-8035 (``CBOSS''), as part of the DARPA CHATS
     research program.

NetBSD 6.1.5                   December 18, 2011                  NetBSD 6.1.5