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PAM_START(3)             BSD Library Functions Manual             PAM_START(3)

NAME
     pam_start -- initiate a PAM transaction

LIBRARY
     Pluggable Authentication Module Library (libpam, -lpam)

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

     int
     pam_start(const char *service, const char *user, const struct pam_conv *pam_conv, pam_handle_t **pamh);

DESCRIPTION
     The pam_start function creates and initializes a PAM context.

     The service argument specifies the name of the policy to apply, and is stored in the PAM_SERVICE item
     in the created context.

     The user argument specifies the name of the target user - the user the created context will serve to
     authenticate.  It is stored in the PAM_USER item in the created context.

     The pam_conv argument points to a struct pam_conv describing the conversation function to use; see
     pam_conv for details.

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

     [PAM_BUF_ERR]       Memory buffer error.

     [PAM_SYSTEM_ERR]    System error.

SEE ALSO
     pam(3), pam_end(3), pam_get_item(3), pam_set_item(3), pam_strerror(3)

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

AUTHORS
     The pam_start 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 21, 2007                           BSD