1.\"- 2.\" Copyright (c) 2011 Edward Tomasz Napierala 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd July 12, 2016 28.Dt GETLOGINCLASS 2 29.Os 30.Sh NAME 31.Nm getloginclass , 32.Nm setloginclass 33.Nd get/set login class 34.Sh LIBRARY 35.Lb libc 36.Sh SYNOPSIS 37.In unistd.h 38.Ft int 39.Fn getloginclass "char *name" "size_t len" 40.Ft int 41.Fn setloginclass "const char *name" 42.Sh DESCRIPTION 43The 44.Fn getloginclass 45routine returns the login class name associated with the calling process, 46as previously set by 47.Fn setloginclass . 48The caller must provide the buffer 49.Fa name 50with length 51.Fa len 52bytes to hold the result. 53The buffer should be at least 54.Dv MAXLOGNAME 55bytes in length. 56.Pp 57The 58.Fn setloginclass 59system call sets the login class of the calling process to 60.Fa name . 61This system call is restricted to the super-user, and is normally used 62only when a new session is being created on behalf of the named user 63(for example, at login time, or when a remote shell is invoked). 64Processes inherit login class from their parents. 65.Sh RETURN VALUES 66.Rv -std 67.Sh ERRORS 68The following errors may be returned by these calls: 69.Bl -tag -width Er 70.It Bq Er EFAULT 71The 72.Fa name 73argument gave an invalid address. 74.It Bq Er EINVAL 75The 76.Fa name 77argument pointed to a string that was too long. 78Login class names are limited to 79.Dv MAXLOGNAME 80(from 81.In sys/param.h ) 82characters, currently 33 including null. 83.It Bq Er EPERM 84The caller tried to set the login class and was not the super-user. 85.It Bq Er ENAMETOOLONG 86The size of the buffer is smaller than the result to be returned. 87.El 88.Sh SEE ALSO 89.Xr ps 1 , 90.Xr setusercontext 3 , 91.Xr login.conf 5 , 92.Xr rctl 8 93.Sh HISTORY 94The 95.Fn getloginclass 96and 97.Fn setloginclass 98system calls first appeared in 99.Fx 9.0 . 100