build-sys: move mesg to term-utils/

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 118 insertions, 0 deletions

diff --git a/term-utils/mesg.c b/term-utils/mesg.c
new file mode 100644
index 000000000..6176aabfb
--- /dev/null
+++ b/term-utils/mesg.c
@@ -0,0 +1,118 @@
+/*
+ * 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. 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.
+ *
+ * Modified Fri Mar 10 20:27:19 1995, faith@cs.unc.edu, for Linux
+ * Modified Mon Jul  1 18:14:10 1996, janl@ifi.uio.no, writing to stdout
+ *	as suggested by Michael Meskes <meskes@Informatik.RWTH-Aachen.DE>
+ *
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ *
+ * 2010-12-01 Marek Polacek <mmpolacek@gmail.com>
+ * - cleanups
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "nls.h"
+#include "c.h"
+
+/* exit codes */
+
+#define IS_ALLOWED        0  /* Receiving messages is allowed.  */
+#define IS_NOT_ALLOWED    1  /* Receiving messages is not allowed.  */
+#define MESG_EXIT_FAILURE 2  /* An error occurred.  */
+
+int main(int argc, char *argv[])
+{
+	struct stat sb;
+	char *tty;
+	int ch;
+
+	setlocale(LC_ALL, "");
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
+
+	while ((ch = getopt(argc, argv, "")) != -1)
+		switch (ch) {
+		case '?':
+		default:
+			goto usage;
+		}
+
+	argc -= optind;
+	argv += optind;
+
+	if ((tty = ttyname(STDERR_FILENO)) == NULL)
+		err(MESG_EXIT_FAILURE, _("ttyname failed"));
+
+	if (stat(tty, &sb) < 0)
+		err(MESG_EXIT_FAILURE, _("stat %s failed"), tty);
+
+	if (!*argv) {
+		if (sb.st_mode & (S_IWGRP | S_IWOTH)) {
+			puts(_("is y"));
+			return IS_ALLOWED;
+		}
+		puts(_("is n"));
+		return IS_NOT_ALLOWED;
+	}
+
+	switch (*argv[0]) {
+	case 'y':
+#ifdef USE_TTY_GROUP
+		if (chmod(tty, sb.st_mode | S_IWGRP) < 0)
+#else
+		if (chmod(tty, sb.st_mode | S_IWGRP | S_IWOTH) < 0)
+#endif
+			err(MESG_EXIT_FAILURE, _("change %s mode failed"), tty);
+		return IS_ALLOWED;
+	case 'n':
+		if (chmod(tty, sb.st_mode & ~(S_IWGRP|S_IWOTH)) < 0)
+			 err(MESG_EXIT_FAILURE, _("change %s mode failed"), tty);
+		return IS_NOT_ALLOWED;
+	}
+
+usage:
+	fprintf(stderr, _("Usage: %s [y | n]"), program_invocation_short_name);
+	return MESG_EXIT_FAILURE;
+}