diff --git a/commands/Makefile b/commands/Makefile index 7fd1e3c14..45df0a654 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -15,7 +15,7 @@ SUBDIR= add_route arp ash at backup btrace \ intr ipcrm ipcs irdpd isoread last \ less loadkeys loadramdisk logger look lp \ lpd lspci mail MAKEDEV \ - mesg mined mkfifo \ + mined mkfifo \ mount mt netconf \ nonamed od paste patch \ ping postinstall poweroff prep printroot \ diff --git a/commands/mesg/Makefile b/commands/mesg/Makefile deleted file mode 100644 index c42437163..000000000 --- a/commands/mesg/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -PROG= mesg -MAN= - -.include diff --git a/commands/mesg/mesg.c b/commands/mesg/mesg.c deleted file mode 100644 index 2fb3d7155..000000000 --- a/commands/mesg/mesg.c +++ /dev/null @@ -1,48 +0,0 @@ -/* mesg - enable or disable communications. Author: John J. Ribera */ - -/* - * mesg - enable or disable communications. - * - * Usage: mesg [ y | n ] - * - * 'mesg n' will turn off group and world permissions of the - * user's terminal. - * 'mesg y' will enable group and world to write to the user's - * tty. - * mesg with no parameters will put the writeable status - * onto stdout. - * - * Author: John J. Ribera, Jr. 09/09/90 - */ -#include -#include -#include -#include -#include - -int main(int argc, char *argv []); - -int main(argc, argv) -int argc; -char *argv[]; -{ - struct stat statb; - char *tty_name; - - if ((tty_name = ttyname(0)) == NULL) exit(2); - if (stat(tty_name, &statb) == -1) exit(2); - if (--argc) { - if (*argv[1] == 'n') statb.st_mode = 0600; - else if (*argv[1] == 'y') statb.st_mode = 0620; - else { - fprintf(stderr, "mesg: usage: mesg [n|y]\n"); - exit(2); - } - if (chmod(tty_name, statb.st_mode) == -1) exit(2); - } else printf((statb.st_mode & 020) ? "is y\n" : "is n\n"); - - if (statb.st_mode & 020) exit(0); - - exit(1); -} - diff --git a/man/man1/Makefile b/man/man1/Makefile index bd7a170f2..da66405a1 100644 --- a/man/man1/Makefile +++ b/man/man1/Makefile @@ -10,7 +10,7 @@ MAN= ash.1 at.1 \ isodir.1 isoinfo.1 isoread.1 \ last.1 loadfont.1 loadkeys.1 logger.1 \ look.1 lp.1 lspci.1 mail.1 \ - mesg.1 mixer.1 \ + mixer.1 \ mkproto.1 mount.1 mt.1 od.1 \ paste.1 ping.1 playwave.1 prep.1 \ profile.1 ps.1 rcp.1 recwave.1 \ diff --git a/man/man1/mesg.1 b/man/man1/mesg.1 deleted file mode 100644 index 7eb7a9dd2..000000000 --- a/man/man1/mesg.1 +++ /dev/null @@ -1,38 +0,0 @@ -.\" @(#)mesg.1 6.1 (Berkeley) 4/29/85 -.\" -.TH MESG 1 "April 29, 1985" -.AT 3 -.SH NAME -mesg \- permit or deny messages -.SH SYNOPSIS -.B mesg -[ -.B n -] [ -.B y -] -.SH DESCRIPTION -.B Mesg -with argument -.B n -forbids messages via -.B write -and -.BR talk (1) -by revoking non-user -write permission on the user's terminal. -.B Mesg -with argument -.B y -reinstates permission. -All by itself, -.B mesg -reports the current state without changing it. -.SH FILES -/dev/tty* -.SH "SEE ALSO" -.BR write (1), -.BR talk (1). -.SH DIAGNOSTICS -Exit status is 0 if messages are receivable, -1 if not, 2 on error. diff --git a/releasetools/nbsd_ports b/releasetools/nbsd_ports index a0a3a17f5..d0e7a5df1 100644 --- a/releasetools/nbsd_ports +++ b/releasetools/nbsd_ports @@ -180,6 +180,7 @@ 2012/10/17 12:00:00,usr.bin/Makefile 2012/10/17 12:00:00,usr.bin/Makefile.inc 2010/07/07 21:24:34,usr.bin/man +2013/10/25 12:00:00,usr.bin/mesg 2010/10/15 05:46:48,usr.bin/mkdep 2009/08/15 20:44:56,usr.bin/mktemp 2012/10/17 12:00:00,usr.bin/nbperf diff --git a/usr.bin/Makefile b/usr.bin/Makefile index 2ceffd56e..7655e1841 100644 --- a/usr.bin/Makefile +++ b/usr.bin/Makefile @@ -15,7 +15,7 @@ SUBDIR= \ head indent infocmp join \ ldd leave \ login logname lorder m4 \ - machine make man \ + machine make man mesg \ mkdep mktemp \ \ nbperf newgrp nice nl nohup nvi \ diff --git a/usr.bin/mesg/Makefile b/usr.bin/mesg/Makefile new file mode 100644 index 000000000..4c5b0ddfe --- /dev/null +++ b/usr.bin/mesg/Makefile @@ -0,0 +1,6 @@ +# $NetBSD: Makefile,v 1.7 2009/04/14 22:15:23 lukem Exp $ +# @(#)Makefile 8.1 (Berkeley) 6/6/93 + +PROG= mesg + +.include diff --git a/usr.bin/mesg/mesg.1 b/usr.bin/mesg/mesg.1 new file mode 100644 index 000000000..0dc8afb5d --- /dev/null +++ b/usr.bin/mesg/mesg.1 @@ -0,0 +1,89 @@ +.\" $NetBSD: mesg.1,v 1.9 2009/03/11 13:54:05 joerg Exp $ +.\" +.\" Copyright (c) 1987, 1990, 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. 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. +.\" +.\" @(#)mesg.1 8.1 (Berkeley) 6/6/93 +.\" +.Dd June 6, 1993 +.Dt MESG 1 +.Os +.Sh NAME +.Nm mesg +.Nd display (do not display) messages from other users +.Sh SYNOPSIS +.Nm +.Op Cm n | Cm y +.Sh DESCRIPTION +The +.Nm +utility is invoked by a user to control write access others +have to the terminal device associated with the standard error +output. +Write access is allowed by default, and programs such as +.Xr talk 1 +and +.Xr write 1 +may display messages on the terminal. +.Pp +Options available: +.Bl -tag -width flag +.It Cm n +Disallows messages. +.It Cm y +Permits messages to be displayed. +.El +.Pp +If no arguments are given, +.Nm +displays the present message status to the standard error output. +.Pp +The +.Nm +utility exits with one of the following values: +.Pp +.Bl -tag -width flag -compact -offset indent +.It Li "\ 0" +Messages are allowed. +.It Li "\ 1" +Messages are not allowed. +.It Li "\*[Gt]1" +An error has occurred. +.El +.Sh FILES +.Bl -tag -width /dev/[pt]ty[pq]? -compact +.It Pa /dev/[pt]ty[pq]? +.El +.Sh SEE ALSO +.Xr biff 1 , +.Xr talk 1 , +.Xr write 1 +.Sh HISTORY +A +.Nm +command appeared in +.At v6 . diff --git a/usr.bin/mesg/mesg.c b/usr.bin/mesg/mesg.c new file mode 100644 index 000000000..cc54a7593 --- /dev/null +++ b/usr.bin/mesg/mesg.c @@ -0,0 +1,108 @@ +/* $NetBSD: mesg.c,v 1.8 2008/07/21 14:19:24 lukem Exp $ */ + +/* + * Copyright (c) 1987, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * 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. 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. + */ + +#include + +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1987, 1993\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)mesg.c 8.2 (Berkeley) 1/21/94"; +#endif +__RCSID("$NetBSD: mesg.c,v 1.8 2008/07/21 14:19:24 lukem Exp $"); +#endif /* not lint */ + +#include +#include + +#include +#include +#include +#include +#include +#include + +int +main(int argc, char *argv[]) +{ + struct stat sb; + char *tty; + int ch; + + setprogname(*argv); + + while ((ch = getopt(argc, argv, "")) != -1) + switch (ch) { + case '?': + default: + goto usage; + } + argc -= optind; + argv += optind; + + if ((tty = ttyname(STDIN_FILENO)) == NULL && + (tty = ttyname(STDOUT_FILENO)) == NULL && + (tty = ttyname(STDERR_FILENO)) == NULL) + err(2, "ttyname"); + if (stat(tty, &sb) == -1) + err(2, "%s", tty); + + if (*argv == NULL) { + if (sb.st_mode & S_IWGRP) { + (void)fprintf(stderr, "is y\n"); + return 0; + } + (void)fprintf(stderr, "is n\n"); + return 1; + } + + switch (*argv[0]) { + case 'y': + if (chmod(tty, sb.st_mode | S_IWGRP) == -1) + err(2, "%s", tty); + return 0; + case 'n': + if (chmod(tty, sb.st_mode & ~S_IWGRP) == -1) + err(2, "%s", tty); + return 1; + } + +usage: (void)fprintf(stderr, "Usage: %s [y | n]\n", getprogname()); + return 2; +}