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	Add nologin(8) - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	commit 6e7386edb34f5acdd5dbbee68e85b16415a3b4aa
	parent e0dc3f9546b3cd839aef8e58376c6295679a5ed5
	Author: Mattias Andrée <[email protected]>
	Date: Sat, 26 Mar 2016 11:30:56 +0100

	Add nologin(8)

	Signed-off-by: Mattias Andrée <[email protected]>

	Diffstat:
	M Makefile \| 2 ++
	A nologin.8 \| 21 +++++++++++++++++++++
	A nologin.c \| 22 ++++++++++++++++++++++

	3 files changed, 45 insertions(+), 0 deletions(-)
	---
	diff --git a/Makefile b/Makefile
	@@ -64,6 +64,7 @@ BIN = \
	mkswap \
	mount \
	mountpoint \
	+ nologin \
	pagesize \
	passwd \
	pidof \
	@@ -129,6 +130,7 @@ MAN8 = \
	lsusb.8 \
	mkswap.8 \
	mount.8 \
	+ nologin.8 \
	pivot_root.8 \
	readahead.8 \
	rmmod.8 \
	diff --git a/nologin.8 b/nologin.8
	@@ -0,0 +1,21 @@
	+.Dd March 26, 2016
	+.Dt NOLOGIN 8
	+.Os ubase
	+.Sh NAME
	+.Nm nologin
	+.Nd refuse login
	+.Sh SYNOPSIS
	+.Nm
	+.Sh DESCRIPTION
	+.Nm
	+prints a message informing the user that she
	+is not allowed to log in. If /etc/nologin.txt
	+exists, its content is printed instead of
	+the default message.
	+.Pp
	+.Nm
	+is intended to be specified as the user's
	+default shell.
	+.Sh EXIT STATUS
	+.Nm
	+returns a status code indicating failure.
	diff --git a/nologin.c b/nologin.c
	@@ -0,0 +1,22 @@
	+/* See LICENSE file for copyright and license details. */
	+#include <stdio.h>
	+#include <unistd.h>
	+#include <fcntl.h>
	+
	+int
	+main(void)
	+{
	+ int fd;
	+ char buf[BUFSIZ];
	+ ssize_t n;
	+
	+ fd = open("/etc/nologin.txt", O_RDONLY);
	+ if (fd >= 0) {
	+ while ((n = read(fd, buf, sizeof(buf))) > 0)
	+ write(STDOUT_FILENO, buf, n);
	+ close(fd);
	+ } else {
	+ printf("The account is currently unavailable.\n");
	+ }
	+ return 1;
	+}