1.\" Generated from openpam_borrow_cred.c by gendoc.pl 2.\" $Id: openpam_borrow_cred.c 649 2013-03-05 17:58:33Z des $ 3.Dd September 12, 2014 4.Dt OPENPAM_BORROW_CRED 3 5.Os 6.Sh NAME 7.Nm openpam_borrow_cred 8.Nd temporarily borrow user credentials 9.Sh LIBRARY 10.Lb libpam 11.Sh SYNOPSIS 12.In sys/types.h 13.In security/pam_appl.h 14.In security/openpam.h 15.Ft "int" 16.Fn openpam_borrow_cred "pam_handle_t *pamh" "const struct passwd *pwd" 17.Sh DESCRIPTION 18The 19.Fn openpam_borrow_cred 20function saves the current credentials and 21switches to those of the user specified by its 22.Fa pwd 23argument. 24The affected credentials are the effective UID, the effective GID, and 25the group access list. 26The original credentials can be restored using 27.Xr openpam_restore_cred 3 . 28.Pp 29.Sh RETURN VALUES 30The 31.Fn openpam_borrow_cred 32function returns one of the following values: 33.Bl -tag -width 18n 34.It Bq Er PAM_BUF_ERR 35Memory buffer error. 36.It Bq Er PAM_PERM_DENIED 37Permission denied. 38.It Bq Er PAM_SYSTEM_ERR 39System error. 40.El 41.Sh SEE ALSO 42.Xr setegid 2 , 43.Xr seteuid 2 , 44.Xr setgroups 2 , 45.Xr openpam_restore_cred 3 , 46.Xr pam 3 , 47.Xr pam_strerror 3 48.Sh STANDARDS 49The 50.Fn openpam_borrow_cred 51function is an OpenPAM extension. 52.Sh AUTHORS 53The 54.Fn openpam_borrow_cred 55function and this manual page were 56developed for the 57.Fx 58Project by ThinkSec AS and Network Associates Laboratories, the 59Security Research Division of Network Associates, Inc.\& under 60DARPA/SPAWAR contract N66001-01-C-8035 61.Pq Dq CBOSS , 62as part of the DARPA CHATS research program. 63.Pp 64The OpenPAM library is maintained by 65.An Dag-Erling Sm\(/orgrav Aq des@des.no . 66