2011-03-06 08:35:50 +00:00
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.\"-
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.\" Copyright (c) 2011 Edward Tomasz Napierala
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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2016-07-12 06:00:57 +00:00
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.Dd July 12, 2016
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2011-03-06 08:35:50 +00:00
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.Dt GETLOGINCLASS 2
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.Os
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.Sh NAME
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.Nm getloginclass ,
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.Nm setloginclass
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.Nd get/set login class
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In unistd.h
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.Ft int
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.Fn getloginclass "char *name" "size_t len"
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.Ft int
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.Fn setloginclass "const char *name"
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.Sh DESCRIPTION
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The
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.Fn getloginclass
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routine returns the login class name associated with the calling process,
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as previously set by
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.Fn setloginclass .
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The caller must provide the buffer
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.Fa name
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with length
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.Fa len
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bytes to hold the result.
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The buffer should be at least
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.Dv MAXLOGNAME
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bytes in length.
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.Pp
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The
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.Fn setloginclass
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system call sets the login class of the calling process to
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.Fa name .
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This system call is restricted to the super-user, and is normally used
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only when a new session is being created on behalf of the named user
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(for example, at login time, or when a remote shell is invoked).
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Processes inherit login class from their parents.
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.Sh RETURN VALUES
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.Rv -std
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.Sh ERRORS
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The following errors may be returned by these calls:
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.Bl -tag -width Er
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.It Bq Er EFAULT
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The
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.Fa name
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argument gave an invalid address.
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.It Bq Er EINVAL
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The
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.Fa name
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argument pointed to a string that was too long.
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Login class names are limited to
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.Dv MAXLOGNAME
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(from
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.In sys/param.h )
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2018-08-03 16:05:03 +00:00
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characters, currently 33 including null.
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2011-03-06 08:35:50 +00:00
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.It Bq Er EPERM
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The caller tried to set the login class and was not the super-user.
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.It Bq Er ENAMETOOLONG
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The size of the buffer is smaller than the result to be returned.
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.El
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.Sh SEE ALSO
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2016-07-12 06:00:57 +00:00
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.Xr ps 1 ,
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.Xr setusercontext 3 ,
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.Xr login.conf 5 ,
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.Xr rctl 8
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2011-03-06 08:35:50 +00:00
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.Sh HISTORY
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The
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.Fn getloginclass
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and
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.Fn setloginclass
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system calls first appeared in
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.Fx 9.0 .
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