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NetBSD 6.1.5 - man page for openpam_ttyconv (netbsd section 3)

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OPENPAM_TTYCONV(3)		   BSD Library Functions Manual 	       OPENPAM_TTYCONV(3)

     openpam_ttyconv -- simple tty-based conversation function

     Pluggable Authentication Module Library (libpam, -lpam)

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

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

     The openpam_ttyconv function is a standard conversation function suitable for use on TTY
     devices.  It should be adequate for the needs of most text-based interactive programs.

     The openpam_ttyconv function displays a prompt to, and reads in a password from /dev/tty. If
     this file is not accessible, openpam_ttyconv displays the prompt on the standard error out-
     put and reads from the standard input.

     The openpam_ttyconv function allows the application to specify a timeout for user input by
     setting the global integer variable openpam_ttyconv_timeout to the length of the timeout in

     The openpam_ttyconv function returns one of the following values:

     [PAM_BUF_ERR]	 Memory buffer error.

     [PAM_CONV_ERR]	 Conversation failure.

     [PAM_SYSTEM_ERR]	 System error.

     getpass(3), openpam_nullconv(3), pam(3), pam_prompt(3), pam_strerror(3), pam_vprompt(3)

     The openpam_ttyconv function is an OpenPAM extension.

     The openpam_ttyconv 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.

BSD					December 18, 2011				      BSD
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