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OPENPAM_NULLCONV(3)    FreeBSD Library Functions Manual	   OPENPAM_NULLCONV(3)

NAME
     openpam_nullconv -- null conversation function

SYNOPSIS
     #include <sys/types.h>
     #include <security/pam_appl.h>
     #include <security/openpam.h>

     int
     openpam_nullconv(int n, const struct pam_message **msg,
	 struct	pam_response **resp, void *data);

DESCRIPTION
     The openpam_nullconv() function is	a null conversation function suitable
     for applications that want	to use PAM but don't support interactive dia-
     log with the user.	 Such applications should set PAM_AUTHTOK to whatever
     authentication token they've obtained on their own	before calling
     pam_authenticate(3) and / or pam_chauthtok(3), and	their PAM configura-
     tion should specify the use_first_pass option for all modules that
     require access to the authentication token, to make sure they use
     PAM_AUTHTOK rather	than try to query the user.

RETURN VALUES
     The openpam_nullconv() function returns one of the	following values:

     [PAM_SUCCESS]	 Success.

     [PAM_CONV_ERR]	 Conversation failure.

SEE ALSO
     openpam_ttyconv(3), pam(3), pam_authenticate(3), pam_chauthtok(3),
     pam_prompt(3), pam_set_item(3), pam_strerror(3), pam_vprompt(3)

STANDARDS
     The openpam_nullconv() function is	an OpenPAM extension.

AUTHORS
     The openpam_nullconv() 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.

     The OpenPAM library is maintained by Dag-Erling Smorgrav <des@des.no>.

FreeBSD	Ports 11.2		April 30, 2017		    FreeBSD Ports 11.2

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS | AUTHORS

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