diff options
| -rw-r--r-- | lib/libc/net/Makefile.inc | 5 | ||||
| -rw-r--r-- | lib/libc/net/rcmdsh.3 | 108 |
2 files changed, 111 insertions, 2 deletions
diff --git a/lib/libc/net/Makefile.inc b/lib/libc/net/Makefile.inc index 708684876ab..04831f4f2d9 100644 --- a/lib/libc/net/Makefile.inc +++ b/lib/libc/net/Makefile.inc @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile.inc,v 1.7 1996/08/22 20:11:19 millert Exp $ +# $OpenBSD: Makefile.inc,v 1.8 1996/09/01 21:25:34 millert Exp $ # net sources .PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/net ${.CURDIR}/net @@ -19,7 +19,8 @@ SRCS+= gethostnamadr.c getnetbyaddr.c getnetbyname.c getnetent.c \ .include "${.CURDIR}/arch/${MACHINE_ARCH}/net/Makefile.inc" MAN+= byteorder.3 ethers.3 gethostbyname.3 getnetent.3 getprotoent.3 \ - getservent.3 inet.3 iso_addr.3 link_addr.3 ns.3 ipx.3 rcmd.3 resolver.3 + getservent.3 inet.3 iso_addr.3 link_addr.3 ns.3 ipx.3 rcmd.3 rcmdsh.3 \ + resolver.3 MLINKS+=byteorder.3 htonl.3 byteorder.3 htons.3 byteorder.3 ntohl.3 \ byteorder.3 ntohs.3 diff --git a/lib/libc/net/rcmdsh.3 b/lib/libc/net/rcmdsh.3 new file mode 100644 index 00000000000..64fe5e6a7df --- /dev/null +++ b/lib/libc/net/rcmdsh.3 @@ -0,0 +1,108 @@ +.\" $OpenBSD: rcmdsh.3,v 1.1 1996/09/01 21:25:35 millert 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 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. +.\" +.Dd Sep 1, 1996 +.Dt RCMDSH 3 +.Os OpenBSD +.Sh NAME +.Nm rcmd +.Nd return a stream to a remote command as unprivileged user +.Sh SYNOPSIS +.Fd #include <unistd.h> +.Ft int +.Fn rcmdsh "char **ahost" "int inport" "const char *locuser" "const char *remuser" "const char *cmd" "char *rshprog" +.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 +(if non-NULL). +.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 +.Li shell/tcp +(or whatever port is used by +.Fa rshprog +). The parameter +.Fa inport +is ignored; it is only included to provide an interface similar to +.Xr rcmd 3 . +.Pp +If the connection succeeds, +a socket in the +.Tn UNIX +domain of type +.Dv SOCK_STREAM +is returned to the caller, and given to the remote +command as +.Em stdin +and +.Em stdout , +and +.Em stderr . +.Sh DIAGNOSTICS +The +.Fn rcmdsh +function +returns a valid socket descriptor on success. +It returns \-1 on error and prints a diagnostic message on the standard error. +.Sh SEE ALSO +.Xr rsh 1 , +.Xr socketpair 2 , +.Xr rcmd 3 , +.Xr rshd 8 +.Sh BUGS +If +.Xr rsh 1 +gets an error a file descriptor is still returned instead of \-1. +.Sh HISTORY +The +.Fn rcmdsh +function first appeared in +.Bx Open . |