NAME    [Toc]    [Back]

     openpam_borrow_cred -- temporarily borrow user credentials

LIBRARY    [Toc]    [Back]

     PAM Library (libpam, -lpam)

SYNOPSIS    [Toc]    [Back]

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

     int
     openpam_borrow_cred(pam_handle_t *pamh, const struct passwd *pwd);

DESCRIPTION    [Toc]    [Back]

     The openpam_borrow_cred function saves the current credentials and
     switches to those of the user specified by its pwd argument.  The
     affected credentials are the effective UID, the effective GID, and the
     group access list.  The original credentials can be restored using
     openpam_restore_cred(3).

RETURN VALUES    [Toc]    [Back]

     The openpam_borrow_cred function returns one of the following values:

     [PAM_BUF_ERR]       Memory buffer error.

     [PAM_PERM_DENIED]   Permission denied.

     [PAM_SYSTEM_ERR]    System error.

SEE ALSO    [Toc]    [Back]

     openpam_restore_cred(3), pam(3), pam_strerror(3), setegid(3), seteuid(3),
     setgroups(3)

STANDARDS    [Toc]    [Back]

     The openpam_borrow_cred function is an OpenPAM extension.

AUTHORS    [Toc]    [Back]

     The openpam_borrow_cred 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.


FreeBSD 5.2.1                    July 15, 2003                   FreeBSD 5.2.1