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91 lines
2.1 KiB
Groff
91 lines
2.1 KiB
Groff
.\" Generated from pam_chauthtok.c by gendoc.pl
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.\" $OpenPAM: pam_chauthtok.c 938 2017-04-30 21:34:42Z des $
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.Dd April 30, 2017
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.Dt PAM_CHAUTHTOK 3
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.Os
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.Sh NAME
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.Nm pam_chauthtok
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.Nd perform password related functions within the PAM framework
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.Sh SYNOPSIS
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.In sys/types.h
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.In security/pam_appl.h
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.Ft "int"
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.Fn pam_chauthtok "pam_handle_t *pamh" "int flags"
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.Sh DESCRIPTION
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The
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.Fn pam_chauthtok
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function attempts to change the authentication token
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for the user associated with the pam context specified by the
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.Fa pamh
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argument.
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.Pp
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The
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.Fa flags
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argument is the binary or of zero or more of the following
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values:
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.Bl -tag -width 18n
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.It Dv PAM_SILENT
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Do not emit any messages.
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.It Dv PAM_CHANGE_EXPIRED_AUTHTOK
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Change only those authentication tokens that have expired.
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.El
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.Pp
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If any other bits are set,
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.Fn pam_chauthtok
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will return
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.Dv PAM_BAD_CONSTANT .
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.Sh RETURN VALUES
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The
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.Fn pam_chauthtok
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function returns one of the following values:
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.Bl -tag -width 18n
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.It Bq Er PAM_SUCCESS
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Success.
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.It Bq Er PAM_ABORT
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General failure.
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.It Bq Er PAM_AUTHTOK_DISABLE_AGING
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Authentication token aging disabled.
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.It Bq Er PAM_AUTHTOK_ERR
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Authentication token failure.
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.It Bq Er PAM_AUTHTOK_LOCK_BUSY
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Authentication token lock busy.
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.It Bq Er PAM_AUTHTOK_RECOVERY_ERR
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Failed to recover old authentication token.
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.It Bq Er PAM_BAD_CONSTANT
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Bad constant.
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.It Bq Er PAM_BUF_ERR
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Memory buffer error.
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.It Bq Er PAM_CONV_ERR
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Conversation failure.
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.It Bq Er PAM_PERM_DENIED
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Permission denied.
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.It Bq Er PAM_SERVICE_ERR
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Error in service module.
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.It Bq Er PAM_SYSTEM_ERR
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System error.
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.It Bq Er PAM_TRY_AGAIN
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Try again.
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.El
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.Sh SEE ALSO
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.Xr pam 3 ,
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.Xr pam_strerror 3
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.Sh STANDARDS
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.Rs
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.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
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.%D "June 1997"
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.Re
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.Sh AUTHORS
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The
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.Fn pam_chauthtok
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function and this manual page were
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developed for the
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.Fx
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Project by ThinkSec AS and Network Associates Laboratories, the
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Security Research Division of Network Associates, Inc.\& under
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DARPA/SPAWAR contract N66001-01-C-8035
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.Pq Dq CBOSS ,
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as part of the DARPA CHATS research program.
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.Pp
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The OpenPAM library is maintained by
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.An Dag-Erling Sm\(/orgrav Aq Mt des@des.no .
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