patch openwrt nfs to enable mount option "-o sec=krb5", for kerberos secured nfs volume; added package of rpc.gssd in nfs-utils

nfs-sec-krb5.init

#!/bin/sh /etc/rc.common
# Copyright (C) 2009 OpenWrt.org

START=60
USE_PROCD=1

start_service() {
    [ -f /etc/krb5.keytab ] || return 1
    mkdir -p /var/lib/nfs/rpc_pipefs
    mount -t rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs

    procd_open_instance
    procd_set_param command /usr/sbin/rpc.gssd -f
    procd_set_param respawn
    procd_set_param stdout 1
    procd_set_param stderr 1
    procd_set_param no_new_privs 1
    procd_close_instance
}

stop_service() {
    sleep 1
    umount /var/lib/nfs/rpc_pipefs
}

openwrt_nfs-sec-krb5_support.patch

diff --git a/libs/libtirpc/Makefile b/libs/libtirpc/Makefile
index 8104dd6a4..411b6f877 100644
--- a/libs/libtirpc/Makefile
+++ b/libs/libtirpc/Makefile
@@ -23,10 +23,10 @@ define Package/libtirpc
   CATEGORY:=Libraries
   TITLE:=Library TI RPC for RPC bindings
   URL:=http://libtirpc.sourceforge.net/
-  DEPENDS:=+libpthread
+  DEPENDS:=+libpthread +krb5-libs
 endef
 
-CONFIGURE_ARGS += --disable-gssapi
+CONFIGURE_ARGS += --enable-gssapi
 HOST_CONFIGURE_ARGS += --disable-gssapi --disable-shared
 
 ifeq ($(HOST_OS),Darwin)
diff --git a/net/nfs-kernel-server/Makefile b/net/nfs-kernel-server/Makefile
index 01f19ba03..45efd69da 100644
--- a/net/nfs-kernel-server/Makefile
+++ b/net/nfs-kernel-server/Makefile
@@ -93,6 +93,22 @@ define Package/nfs-utils-libs/description
 Libraries provided by nfs-utils
 endef
 
+##bynj: note to "enable-gssapi" in libtirpc
+define Package/nfs-sec-krb5/description
+       nfs client with with support  "-o sec=krb5"
+endef
+
+define Package/nfs-sec-krb5
+       $(call Package/nfs-utils/Default)
+       DEPENDS+= +kmod-fs-nfs-common-rpcsec +krb5-libs +libtirpc +libevent2-core
+       TITLE:=Updated mount.nfs command - allows mounting nfs4 volumes with "-o sec=krb5"
+endef
+define Package/nfs-sec-krb5/install
+       $(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/init.d
+       $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/rpc.gssd $(1)/usr/sbin/
+       $(INSTALL_BIN) ./files/nfs-sec-krb5.init $(1)/etc/init.d
+endef
+
 TARGET_CFLAGS += -Wno-error=implicit-function-declaration \
                 -Wno-error=strict-prototypes \
                 -Wno-error=incompatible-pointer-types \
@@ -104,7 +120,7 @@ TARGET_LDFLAGS += -L$(STAGING_DIR)/usr/lib/libevent
 
 CONFIGURE_ARGS += \
        --disable-caps \
-       --disable-gss \
+       --enable-gss    --with-krb5="$(STAGING_DIR)/usr/" \
        --disable-nfsdcld \
        --disable-nfsdcltrack \
        --enable-shared \
@@ -209,3 +225,4 @@ $(eval $(call BuildPackage,nfs-utils))
 $(eval $(call BuildPackage,nfs-utils-libs))
 $(eval $(call BuildPackage,nfs-kernel-server))
 $(eval $(call BuildPackage,nfs-kernel-server-utils))
+$(eval $(call BuildPackage,nfs-sec-krb5))