| vfs_suser.9 (147398) | vfs_suser.9 (183113) |
|---|---|
| 1.\" 2.\" Copyright (c) 2004 Alfred Perlstein 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 21.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 22.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (c) 2004 Alfred Perlstein 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 21.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 22.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man9/vfs_suser.9 147398 2005-06-15 13:31:23Z ru $ | 26.\" $FreeBSD: head/share/man/man9/vfs_suser.9 183113 2008-09-17 15:49:44Z attilio $ |
| 27.\" 28.Dd April 2, 2004 29.Dt VFS_SUSER 9 30.Os 31.Sh NAME 32.Nm vfs_suser 33.Nd check if credentials have superuser privileges for a mount point 34.Sh SYNOPSIS --- 6 unchanged lines hidden (view full) --- 41The 42.Fn vfs_suser 43function checks if the credentials given include superuser powers 44for the given mount point. 45It will check to see if the thread 46passed in has the same credentials as the user that mounted the 47file system. 48If so, it returns 0, otherwise it returns what | 27.\" 28.Dd April 2, 2004 29.Dt VFS_SUSER 9 30.Os 31.Sh NAME 32.Nm vfs_suser 33.Nd check if credentials have superuser privileges for a mount point 34.Sh SYNOPSIS --- 6 unchanged lines hidden (view full) --- 41The 42.Fn vfs_suser 43function checks if the credentials given include superuser powers 44for the given mount point. 45It will check to see if the thread 46passed in has the same credentials as the user that mounted the 47file system. 48If so, it returns 0, otherwise it returns what |
| 49.Xr suser 9 | 49.Xr priv_check 9 |
| 50would have returned. 51.Sh RETURN VALUES 52The 53.Fn vfs_suser 54function returns 0 if the user has superuser powers and 55.Er EPERM 56otherwise. 57This is the 58.Em reverse logic 59of some other implementations of 60.Fn suser 61in which a TRUE response indicates superuser powers. 62.Sh SEE ALSO 63.Xr chroot 2 , | 50would have returned. 51.Sh RETURN VALUES 52The 53.Fn vfs_suser 54function returns 0 if the user has superuser powers and 55.Er EPERM 56otherwise. 57This is the 58.Em reverse logic 59of some other implementations of 60.Fn suser 61in which a TRUE response indicates superuser powers. 62.Sh SEE ALSO 63.Xr chroot 2 , |
| 64.Xr jail 2 , 65.Xr suser 9 | 64.Xr jail 2 |
| 66.Sh HISTORY 67The 68.Fn vfs_suser 69function was introduced in 70.Fx 5.2 . 71.Sh AUTHORS 72This manual page was written by 73.An Alfred Perlstein . | 65.Sh HISTORY 66The 67.Fn vfs_suser 68function was introduced in 69.Fx 5.2 . 70.Sh AUTHORS 71This manual page was written by 72.An Alfred Perlstein . |