mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 10:48:02 +00:00
rwall from FreeBSD 1.1.5.1
Reviewed by: Geoff Submitted by: Christopher G. Demetriou
This commit is contained in:
Geoff Rehmet
parent
61ce166c6c
commit
c207889672
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/cvs2svn/branches/FBSD_1/; revision=2347
9
usr.bin/rwall/Makefile
Normal file
9
usr.bin/rwall/Makefile
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
# $Id: Makefile,v 1.2 1993/11/10 03:47:37 smace Exp $
|
||||
|
||||
PROG = rwall
|
||||
MAN1 = rwall.1
|
||||
|
||||
DPADD= ${LIBRPCSVC}
|
||||
LDADD= -lrpcsvc
|
||||
|
||||
.include <bsd.prog.mk>
|
||||
79
usr.bin/rwall/rwall.1
Normal file
79
usr.bin/rwall/rwall.1
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
.\" Copyright (c) 1983, 1990 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.
|
||||
.\"
|
||||
.\" from: @(#)rwall.1 6.7 (Berkeley) 4/23/91
|
||||
.\" $Id: rwall.1,v 1.1 1993/09/16 01:11:03 jtc Exp $
|
||||
.\"
|
||||
.Dd April 23, 1991
|
||||
.Dt RWALL 1
|
||||
.Os BSD 4.2
|
||||
.Sh NAME
|
||||
.Nm rwall
|
||||
.Nd send a message to users logged on a host
|
||||
.Sh SYNOPSIS
|
||||
.Nm rwall
|
||||
.Ar host
|
||||
.Op Ar file
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
.Nm rwall
|
||||
command sends a message to the users logged into the specified host. The
|
||||
message to be sent can be typed in and terminated with EOF or it can
|
||||
be in a
|
||||
.Ar file .
|
||||
.Sh DIAGNOSTICS
|
||||
.Bl -tag -width indent
|
||||
.It rwall: RPC: Program not registered
|
||||
The
|
||||
.Xr rpc.rwalld 8
|
||||
daemon has not been started on the remote host.
|
||||
.It rwall: RPC: Timed out
|
||||
A communication error occurred. Either the network is
|
||||
excessively congested, or the
|
||||
.Xr rpc.rwalld 8
|
||||
daemon has terminated on the remote host.
|
||||
.It rwall: RPC: Port mapper failure - RPC: Timed out
|
||||
The remote host is not running the portmapper (see
|
||||
.Xr portmap 8 ),
|
||||
and cannot accomodate any RPC-based services. The host may be down.
|
||||
.El
|
||||
.Sh SEE ALSO
|
||||
.Xr portmap 8 ,
|
||||
.Xr who 1 ,
|
||||
.Xr rpc.rwalld 8
|
||||
.Sh HISTORY
|
||||
The
|
||||
.Nm rwall
|
||||
command
|
||||
appeared in
|
||||
.Em Sun-OS .
|
||||
.Sh BUGS
|
||||
The sorting options are not implemented.
|
||||
174
usr.bin/rwall/rwall.c
Normal file
174
usr.bin/rwall/rwall.c
Normal file
|
|
@ -0,0 +1,174 @@
|
|||
/*
|
||||
* Copyright (c) 1993 Christopher G. Demetriou
|
||||
* Copyright (c) 1988, 1990 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.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
char copyright[] =
|
||||
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
|
||||
All rights reserved.\n";
|
||||
#endif /* not lint */
|
||||
|
||||
#ifndef lint
|
||||
/*static char sccsid[] = "from: @(#)wall.c 5.14 (Berkeley) 3/2/91";*/
|
||||
static char rcsid[] = "$Id: rwall.c,v 1.1 1993/09/16 01:11:04 jtc Exp $";
|
||||
#endif /* not lint */
|
||||
|
||||
/*
|
||||
* This program is not related to David Wall, whose Stanford Ph.D. thesis
|
||||
* is entitled "Mechanisms for Broadcast and Selective Broadcast".
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/uio.h>
|
||||
#include <utmp.h>
|
||||
#include <pwd.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <paths.h>
|
||||
|
||||
#include <rpc/rpc.h>
|
||||
#include <rpcsvc/rwall.h>
|
||||
|
||||
int mbufsize;
|
||||
char *mbuf;
|
||||
|
||||
/* ARGSUSED */
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
char *wallhost, res;
|
||||
CLIENT *cl;
|
||||
|
||||
if ((argc < 2) || (argc > 3)) {
|
||||
fprintf(stderr, "usage: %s hostname [file]\n", argv[0]);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
wallhost = argv[1];
|
||||
|
||||
makemsg(argv[2]);
|
||||
|
||||
/*
|
||||
* Create client "handle" used for calling MESSAGEPROG on the
|
||||
* server designated on the command line. We tell the rpc package
|
||||
* to use the "tcp" protocol when contacting the server.
|
||||
*/
|
||||
cl = clnt_create(wallhost, WALLPROG, WALLVERS, "udp");
|
||||
if (cl == NULL) {
|
||||
/*
|
||||
* Couldn't establish connection with server.
|
||||
* Print error message and die.
|
||||
*/
|
||||
clnt_pcreateerror(wallhost);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (clnt_call(cl, WALLPROC_WALL, xdr_wrapstring, &mbuf, xdr_void, &res, NULL) != RPC_SUCCESS) {
|
||||
/*
|
||||
* An error occurred while calling the server.
|
||||
* Print error message and die.
|
||||
*/
|
||||
clnt_perror(cl, wallhost);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
makemsg(fname)
|
||||
char *fname;
|
||||
{
|
||||
register int ch, cnt;
|
||||
struct tm *lt;
|
||||
struct passwd *pw;
|
||||
struct stat sbuf;
|
||||
time_t now, time();
|
||||
FILE *fp;
|
||||
int fd;
|
||||
char *p, *whom, hostname[MAXHOSTNAMELEN], lbuf[100], tmpname[15];
|
||||
char *getlogin(), *strcpy(), *ttyname();
|
||||
|
||||
(void)strcpy(tmpname, _PATH_TMP);
|
||||
(void)strcat(tmpname, "/wall.XXXXXX");
|
||||
if (!(fd = mkstemp(tmpname)) || !(fp = fdopen(fd, "r+"))) {
|
||||
(void)fprintf(stderr, "wall: can't open temporary file.\n");
|
||||
exit(1);
|
||||
}
|
||||
(void)unlink(tmpname);
|
||||
|
||||
if (!(whom = getlogin()))
|
||||
whom = (pw = getpwuid(getuid())) ? pw->pw_name : "???";
|
||||
(void)gethostname(hostname, sizeof(hostname));
|
||||
(void)time(&now);
|
||||
lt = localtime(&now);
|
||||
|
||||
/*
|
||||
* all this stuff is to blank out a square for the message;
|
||||
* we wrap message lines at column 79, not 80, because some
|
||||
* terminals wrap after 79, some do not, and we can't tell.
|
||||
* Which means that we may leave a non-blank character
|
||||
* in column 80, but that can't be helped.
|
||||
*/
|
||||
(void)fprintf(fp, "Remote Broadcast Message from %s@%s\n",
|
||||
whom, hostname);
|
||||
(void)fprintf(fp, " (%s) at %d:%02d ...\n", ttyname(2),
|
||||
lt->tm_hour, lt->tm_min);
|
||||
|
||||
putc('\n', fp);
|
||||
|
||||
if (fname && !(freopen(fname, "r", stdin))) {
|
||||
(void)fprintf(stderr, "wall: can't read %s.\n", fname);
|
||||
exit(1);
|
||||
}
|
||||
while (fgets(lbuf, sizeof(lbuf), stdin))
|
||||
fputs(lbuf, fp);
|
||||
rewind(fp);
|
||||
|
||||
if (fstat(fd, &sbuf)) {
|
||||
(void)fprintf(stderr, "wall: can't stat temporary file.\n");
|
||||
exit(1);
|
||||
}
|
||||
mbufsize = sbuf.st_size;
|
||||
if (!(mbuf = malloc((u_int)mbufsize))) {
|
||||
(void)fprintf(stderr, "wall: out of memory.\n");
|
||||
exit(1);
|
||||
}
|
||||
if (fread(mbuf, sizeof(*mbuf), mbufsize, fp) != mbufsize) {
|
||||
(void)fprintf(stderr, "wall: can't read temporary file.\n");
|
||||
exit(1);
|
||||
}
|
||||
(void)close(fd);
|
||||
}
|
||||
Loading…
Reference in a new issue