From 1a7dacd2b946f0fce327179a2eec84c4aaeb60d3 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 2 Feb 2012 15:16:30 +0000
Subject: main/busybox: add support for nologin applet

This will never be upstreamed, I have tried. It is fairly simple
to maintain separately so I think we will try that.
---
 main/busybox/APKBUILD      |  8 ++++++--
 main/busybox/busyboxconfig |  1 +
 main/busybox/nologin.c     | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 main/busybox/nologin.c

diff --git a/main/busybox/APKBUILD b/main/busybox/APKBUILD
index d692046c3f..b0bf4b7070 100644
--- a/main/busybox/APKBUILD
+++ b/main/busybox/APKBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=busybox
 pkgver=1.19.3
-pkgrel=4
+pkgrel=5
 pkgdesc="Size optimized toolbox of many common UNIX utilities"
 url=http://busybox.net
 arch="all"
@@ -13,6 +13,7 @@ triggers="busybox.trigger=/bin:/usr/bin:/sbin:/usr/sbin:/lib/modules/*"
 source="http://busybox.net/downloads/$pkgname-$pkgver.tar.bz2
 	bbsuid.c
 
+	nologin.c
 	$pkgname-1.11.1-bb.patch
 	busybox-uname-is-not-gnu.patch
 	bb-app-location.patch
@@ -40,6 +41,8 @@ prepare() {
 		*.patch) msg $p; patch -p1 -i "$srcdir"/$p || return 1;;
 		esac
 	done
+
+	cp "$srcdir"/nologin.c loginutils/
 }
 
 build() {
@@ -84,6 +87,7 @@ static() {
 
 md5sums="c3938e1ac59602387009bbf1dd1af7f6  busybox-1.19.3.tar.bz2
 b7b06c7d5cff6935e4ff68a245cc64b5  bbsuid.c
+d64b58a30892c558bdbab7f0d0997577  nologin.c
 4c0f3b486eaa0674961b7ddcd0c60a9b  busybox-1.11.1-bb.patch
 b5375210f13fd6e1ca61a565e8fabd35  busybox-uname-is-not-gnu.patch
 754916e52fa11d3fe7c29c93248b6707  bb-app-location.patch
@@ -93,4 +97,4 @@ b5375210f13fd6e1ca61a565e8fabd35  busybox-uname-is-not-gnu.patch
 41636628e481f22b8774b6bee1eebfb1  busybox-1.19.3-modinfo.patch
 cb48bffc0e1e3be527cd4ff67324a2a2  busybox-1.19.3-wget.patch
 7c809b9cd30f40354be90663d5f18bef  busybox-1.19.3-mdev.patch
-453614d903ed3f39aa0a4b78f94bc7a5  busyboxconfig"
+42e2f49483e650193c0e142ade7de142  busyboxconfig"
diff --git a/main/busybox/busyboxconfig b/main/busybox/busyboxconfig
index 65bb6bf0aa..025ca20654 100644
--- a/main/busybox/busyboxconfig
+++ b/main/busybox/busyboxconfig
@@ -439,6 +439,7 @@ CONFIG_FEATURE_MESG_ENABLE_ONLY_GROUP=y
 #
 CONFIG_ADD_SHELL=y
 CONFIG_REMOVE_SHELL=y
+CONFIG_NOLOGIN=y
 CONFIG_FEATURE_SHADOWPASSWDS=y
 CONFIG_USE_BB_PWD_GRP=y
 CONFIG_USE_BB_SHADOW=y
diff --git a/main/busybox/nologin.c b/main/busybox/nologin.c
new file mode 100644
index 0000000000..e0a4c56c77
--- /dev/null
+++ b/main/busybox/nologin.c
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * nologin implementation for busybox
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+//config:config NOLOGIN
+//config:	bool "nologin"
+//config:	default n
+//config:	help
+//config:	  nologin is a tool that is supposed to be the shell for user accounts
+//config:	  that are not supposed to login.
+
+//applet:IF_NOLOGIN(APPLET(nologin, BB_DIR_SBIN, BB_SUID_DROP))
+//kbuild:lib-$(CONFIG_NOLOGIN) += nologin.o
+
+//usage:#define nologin_trivial_usage
+//usage:       ""
+//usage:#define nologin_full_usage "\n\n"
+//usage:       "politely refuse a login\n"
+
+#include "libbb.h"
+#include <syslog.h>
+
+#define _NOLOGIN_TXT "/etc/nologin.txt"
+
+int nologin_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int nologin_main(int argc UNUSED_PARAM, char **argv)
+{
+	int fd;
+	fd = open(_NOLOGIN_TXT, O_RDONLY);
+	if (bb_copyfd_eof(fd, STDOUT_FILENO) == -1)
+		bb_error_msg_and_die("this account is not available");
+	close(fd);
+	return 1;
+}
+
-- 
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