unix-cmu.lisp

   1 ;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: HUNCHENTOOT; Base: 10 -*-
   2 ;;; $Header: /usr/local/cvsrep/hunchentoot/unix-cmu.lisp,v 1.6 2008/02/13 16:02:19 edi Exp $
   3
   4 ;;; Copyright (c) 2004-2009, Dr. Edmund Weitz.  All rights reserved.
   5
   6 ;;; Redistribution and use in source and binary forms, with or without
   7 ;;; modification, are permitted provided that the following conditions
   8 ;;; are met:
   9
  10 ;;;   * Redistributions of source code must retain the above copyright
  11 ;;;     notice, this list of conditions and the following disclaimer.
  12
  13 ;;;   * Redistributions in binary form must reproduce the above
  14 ;;;     copyright notice, this list of conditions and the following
  15 ;;;     disclaimer in the documentation and/or other materials
  16 ;;;     provided with the distribution.
  17
  18 ;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
  19 ;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20 ;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 ;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  22 ;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 ;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  24 ;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25 ;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26 ;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27 ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28 ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 (in-package :hunchentoot)
  31
  32 (defun setuid (uid)
  33   "Sets the effective user ID of the current process to UID - see
  34 setuid\(2)."
  35   (multiple-value-bind (return-value errno)
  36       (unix:unix-setuid uid)
  37     (unless (and return-value (zerop return-value))
  38       (parameter-error "setuid failed: ~A" (unix:get-unix-error-msg errno)))))
  39
  40 (defun setgid (gid)
  41   "Sets the effective group ID of the current process to GID -
  42 see setgid\(2)."
  43   (multiple-value-bind (return-value errno)
  44       (unix:unix-setgid gid)
  45     (unless (and return-value (zerop return-value))
  46       (parameter-error "setgid failed: ~A" (unix:get-unix-error-msg errno)))))
  47
  48 (defun get-uid-from-name (name)
  49   "Returns the UID for the user named NAME."
  50   (unix:user-info-uid (unix:unix-getpwnam name)))
  51
  52 (defun get-gid-from-name (name)
  53   "Returns the GID for the group named NAME."
  54   (unix:group-info-gid (unix:unix-getgrnam name)))