1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
127 lines
4.0 KiB
Groff
127 lines
4.0 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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.Dd Feb 1996
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.Dt HOSTS.EQUIV 5
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.Os FreeBSD
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.Sh NAME
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.Nm hosts.equiv ,
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.Nm .rhosts
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.Nd trusted remote host name and user data base
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.Sh DESCRIPTION
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The
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.Nm hosts.equiv
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and
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.Nm .rhosts
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files contains information regarding
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trusted hosts and users on the network.
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For each host a single line should be present
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with the following information:
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simple
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.Bd -unfilled -offset indent
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hostname [username]
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.Ed
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or the more verbose
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.Bd -unfilled -offset indent
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[+-][hostname|@netgroup] [[+-][username|@netgroup]]
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.Ed
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.Pp
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A ``@'' indicates a host by netgroup or user by netgroup. A single
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``+'' match all hosts or users. A host name with leading ``-'' will reject
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all matching hosts and all their users. A user name with leading ``-''
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will reject all matching users from matching hosts.
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.Pp
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Items are separated by any number of blanks and/or
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tab characters. A ``#'' indicates the beginning of
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a comment; characters up to the end of the line are
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not interpreted by routines which search the file.
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.Pp
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Host names are specified in the conventional
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``.'' (dot) notation using the
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.Xr inet_addr 3
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routine
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from the Internet address manipulation library,
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.Xr inet 3 .
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Host names may contain any printable
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character other than a field delimiter, newline,
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or comment character.
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.Pp
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For security reasons, a users
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.Nm .rhosts
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file will be ignored if it is not a regular file, or if it
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is not owned by the user, or
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if it is writable by anyone other than the user.
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.Sh EXAMPLES
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.Pp
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.Dl bar.com foo
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.Pp
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Trust user ``foo'' from host ``bar.com''.
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.Pp
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.Dl +@allclient
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.Pp
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Trust all hosts from netgroup ``allclient''.
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.Pp
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.Dl +@allclient -@dau
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.Pp
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Trust all hosts from netgroup ``allclient'' and their users
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except users from netgroup ``dau''.
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.Sh FILES
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.Bl -tag -width /etc/hosts.equivxxx -compact
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.It Pa /etc/hosts.equiv
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The
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.Nm hosts.equiv
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file resides in
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.Pa /etc .
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.It Pa $HOME/.rhosts
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.Nm .rhosts
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file resides in
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.Pa $HOME .
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.El
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.Sh SEE ALSO
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.Xr rcp 1 ,
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.Xr rlogin 1 ,
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.Xr rsh 1 ,
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.Xr gethostbyname 3 ,
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.Xr inet 3 ,
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.Xr innetgr 3 ,
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.Xr ruserok 3 ,
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.Xr yp 4 ,
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.Xr ifconfig 8 ,
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.Xr named 8
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.Sh BUGS
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This man page is incomplete. For more information read
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the source in lib/libc/net/rcmd.c or the sunos man page.
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