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OPENPAM_NULLCONV(3)   DragonFly 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
     dialog 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
     configuration 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>.

DragonFly 6.1-DEVELOPMENT      February 24, 2019     DragonFly 6.1-DEVELOPMENT

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