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freebsd-nq/lib/libc/net/rcmdsh.3

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Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
.\" $OpenBSD: rcmdsh.3,v 1.6 1999/07/05 04:41:00 aaron Exp $
.\"
.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd September 1, 1996
.Dt RCMDSH 3
.Os
.Sh NAME
.Nm rcmdsh
.Nd return a stream to a remote command without superuser
.Sh SYNOPSIS
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.In unistd.h
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
.Ft int
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.Fo rcmdsh
.Fa "char **ahost"
.Fa "int inport"
.Fa "const char *locuser"
.Fa "const char *remuser"
.Fa "const char *cmd"
.Fa "const char *rshprog"
.Fc
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
.Sh DESCRIPTION
The
.Fn rcmdsh
function
is used by normal users to execute a command on
a remote machine using an authentication scheme based
on reserved port numbers using
.Xr rshd 8
or the value of
.Fa rshprog
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
(if
.No non- Ns Dv NULL ) .
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
.Pp
The
.Fn rcmdsh
function
looks up the host
.Fa *ahost
using
.Xr gethostbyname 3 ,
returning \-1 if the host does not exist.
Otherwise
.Fa *ahost
is set to the standard name of the host
and a connection is established to a server
residing at the well-known Internet port
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.Dq Li shell/tcp
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
(or whatever port is used by
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.Fa rshprog ) .
mdoc(7) police: "The .Fa argument.".
2002-12-19 09:40:28 +00:00
The
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
.Fa inport
mdoc(7) police: "The .Fa argument.".
2002-12-19 09:40:28 +00:00
argument
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
is ignored; it is only included to provide an interface similar to
.Xr rcmd 3 .
.Pp
If the connection succeeds,
a socket in the
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.Ux
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
domain of type
.Dv SOCK_STREAM
is returned to the caller, and given to the remote
Consistently mark std(in|out|err) with .Dv, because that's how they are marked up in stdio(3), and because they are defined expressions of type "FILE *". Approved by: re
2002-12-04 18:57:46 +00:00
command as
.Dv stdin , stdout ,
and
.Dv stderr .
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.Sh RETURN VALUES
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
The
.Fn rcmdsh
function
returns a valid socket descriptor on success.
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
Otherwise, \-1 is returned
and a diagnostic message is printed on the standard error.
Allow users to specify a command to use as remote command instead of using rcmd directly. This has been in my tree for a long time, but we may need to sync with OpenBSD before MFC. Obtained from: openbsd PR: 15830 MFC after: 2 months
2001-10-23 06:22:15 +00:00
.Sh SEE ALSO
.Xr rsh 1 ,
.Xr socketpair 2 ,
.Xr rcmd 3 ,
.Xr rshd 8
.Sh HISTORY
The
.Fn rcmdsh
function first appeared in
- Put missing prototype for rcmd() in <unistd.h>. - Clean up the manpage. - style(9) rcmdsh.c. Committed from: BSDCon/EU 2k+1 terminal room
2001-11-09 15:19:25 +00:00
.Ox 2.0 ,
and made its way into
Correct FreeBSD release of first appearance in the HISTORY section (5.0 -> 4.6).
2002-06-06 10:51:25 +00:00
.Fx 4.6 .
Sort sections.
2005-01-20 09:17:07 +00:00
.Sh BUGS
If
.Xr rsh 1
encounters an error, a file descriptor is still returned instead of \-1.
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