fix shellinabox compile issue

package/lean/shellinabox/Makefile

@@ -2,13 +2,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=shellinabox
-PKG_VERSION:=2.19
+PKG_VERSION:=2.20
 PKG_RELEASE:=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/shellinabox/shellinabox.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=1a8010f2c94a62e7398c4fa130dfe9e099dc55cd
+PKG_SOURCE_VERSION:=98e6eebc6c2026fb126a458c6cb5a2541447258e
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 
 PKG_FIXUP:=autoreconf
@@ -31,12 +31,14 @@ define Package/shellinabox/description
 	enabled web browser and does not require any additional browser plugins.
 endef
 
+CONFIGURE_ARGS += --disable-utmp
+
 define Package/shellinabox/install
 	$(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/init.d $(1)/etc/shellinabox
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/shellinaboxd $(1)/usr/sbin
 	$(INSTALL_BIN) ./files/shellinaboxd.init $(1)/etc/init.d/shellinaboxd
-	$(INSTALL_DATA) $(PKG_BUILD_DIR)/shellinabox/white-on-black.css $(1)/etc/shellinabox
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/shellinabox/*.css $(1)/etc/shellinabox
 	$(PKG_BUILD_DIR)/make-chained-cert.sh > $(1)/etc/shellinabox/certificate.pem
 endef
 
-$(eval $(call BuildPackage,shellinabox))
+$(eval $(call BuildPackage,shellinabox))

package/lean/shellinabox/doc/readme

@@ -1 +0,0 @@
-shellinabox运行需要busybox里面的login程序，Makefile中已经依赖，若是以ipk形式安装则需要重新安装busybox

package/lean/shellinabox/files/shellinaboxd.init

@@ -7,18 +7,10 @@ START=99
 BIN=/usr/sbin/shellinaboxd
 
 start_service() {
-	libssl=$(find /lib /usr/lib -name "libssl.so*" -type f)
-	if [ -n "$libssl" ];then
-		dir=$(dirname $libssl)
-		libssl=$(basename $libssl)
-
-		cd $dir
-		[ ! -f libssl.so ] && ln -s $libssl libssl.so
-		cd - > /dev/null
-	fi
-
 	procd_open_instance
-	procd_set_param command $BIN -u root -c /etc/shellinabox --css=/etc/shellinabox/white-on-black.css
+	procd_set_param command $BIN -u root -c /etc/shellinabox \
+		--css=/etc/shellinabox/black-on-white.css \
+		--css=/etc/shellinabox/white-on-black.css \
+		--user-css Normal:+/etc/shellinabox/black-on-white.css,Reverse:-/etc/shellinabox/white-on-black.css
 	procd_close_instance
-}
-
+}

package/lean/shellinabox/patches/001-fix-compile.patch

@@ -1,16 +1,13 @@
-Index: shellinabox-2015-12-06/configure.ac
-===================================================================
---- shellinabox-2015-12-06.orig/configure.ac	2016-04-27 15:24:07.000000000 +0800
-+++ shellinabox-2015-12-06/configure.ac	2016-04-27 16:50:10.792530502 +0800
-@@ -75,11 +75,6 @@
-             [AC_DEFINE(HAVE_ISNAN, 1,
-                        Define to 1 if you have support for isnan)])
+diff --git a/shellinabox/launcher.c b/shellinabox/launcher.c
+index ba54b36..c802e00 100644
+--- a/shellinabox/launcher.c
++++ b/shellinabox/launcher.c
+@@ -769,7 +769,7 @@ void closeAllFds(int *exceptFds, int num) {
+ }
  
--dnl Even if utmpx.h exists, not all systems have support for updwtmpx()
--AC_TRY_LINK([#include <utmp.h>],
--            [updwtmp(0, 0);],
--            [AC_DEFINE(HAVE_UPDWTMP, 1,
--                       Define to 1 if you have support for updwtmp)])
- AC_TRY_LINK([#include <utmpx.h>],
-             [updwtmpx(0, 0);],
-             [AC_DEFINE(HAVE_UPDWTMPX, 1,
+ #if !defined(HAVE_PTSNAME_R)
+-static int ptsname_r(int fd, char *buf, size_t buflen) {
++int ptsname_r(int fd, char *buf, size_t buflen) {
+   // It is unfortunate that ptsname_r is not universally available.
+   // For the time being, this is not a big problem, as ShellInABox is
+   // single-threaded (and so is the launcher process). But if this