Adding upstream version 1:2.6.4.upstream/1%2.6.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 2024 insertions, 0 deletions

diff --git a/utils/nfsd/Makefile.am b/utils/nfsd/Makefile.am
new file mode 100644
index 0000000..8acc9a0
--- /dev/null
+++ b/utils/nfsd/Makefile.am
@@ -0,0 +1,55 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= nfsd.man
+EXTRA_DIST	= $(man8_MANS)
+
+RPCPREFIX	= rpc.
+KPREFIX		= @kprefix@
+sbin_PROGRAMS	= nfsd
+
+noinst_HEADERS = nfssvc.h
+nfsd_SOURCES = nfsd.c nfssvc.c
+nfsd_LDADD = ../../support/nfs/libnfs.la $(LIBTIRPC)
+
+MAINTAINERCLEANFILES = Makefile.in
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/nfsd/Makefile.in b/utils/nfsd/Makefile.in
new file mode 100644
index 0000000..853bf55
--- /dev/null
+++ b/utils/nfsd/Makefile.in
@@ -0,0 +1,855 @@
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+# with or without modifications, as long as this notice is preserved.
+
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+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(sbindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(sbindir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
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+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(sbindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-sbinPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
+
+clean-sbinPROGRAMS:
+	@list='$(sbin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
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+	@rm -f nfsd$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(nfsd_OBJECTS) $(nfsd_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nfsd.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nfssvc.Po@am__quote@ # am--include-marker
+
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+	@$(MKDIR_P) $(@D)
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+
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-man8: $(man8_MANS)
+	@$(NORMAL_INSTALL)
+	@list1='$(man8_MANS)'; \
+	list2=''; \
+	test -n "$(man8dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man8dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man8dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.8[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man8dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man8dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man8dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man8dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man8:
+	@$(NORMAL_UNINSTALL)
+	@list='$(man8_MANS)'; test -n "$(man8dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
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+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
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+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+
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+	list='$(am__tagged_files)'; \
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+install-data: install-data-am
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+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/nfsd.Po
+	-rm -f ./$(DEPDIR)/nfssvc.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
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+info: info-am
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+install-data-am: install-man
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+
+install-exec-am: install-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec-hook
+install-html: install-html-am
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+install-html-am:
+
+install-info: install-info-am
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+install-info-am:
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+install-pdf: install-pdf-am
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+
+install-ps: install-ps-am
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+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/nfsd.Po
+	-rm -f ./$(DEPDIR)/nfssvc.Po
+	-rm -f Makefile
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+	mostlyclean-libtool
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+
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+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
+.MAKE: install-am install-exec-am install-strip uninstall-am
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-exec-hook install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-hook \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsd/nfsd.c b/utils/nfsd/nfsd.c
new file mode 100644
index 0000000..249df00
--- /dev/null
+++ b/utils/nfsd/nfsd.c
@@ -0,0 +1,441 @@
+/*
+ * nfsd
+ *
+ * This is the user level part of nfsd. This is very primitive, because
+ * all the work is now done in the kernel module.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <netdb.h>
+#include <libgen.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sched.h>
+
+#include "conffile.h"
+#include "nfslib.h"
+#include "nfssvc.h"
+#include "xlog.h"
+#include "xcommon.h"
+
+#ifndef NFSD_NPROC
+#define NFSD_NPROC 8
+#endif
+
+static void	usage(const char *);
+
+static struct option longopts[] =
+{
+	{ "host", 1, 0, 'H' },
+	{ "scope", 1, 0, 'S'},
+	{ "help", 0, 0, 'h' },
+	{ "no-nfs-version", 1, 0, 'N' },
+	{ "nfs-version", 1, 0, 'V' },
+	{ "tcp", 0, 0, 't' },
+	{ "no-tcp", 0, 0, 'T' },
+	{ "udp", 0, 0, 'u' },
+	{ "no-udp", 0, 0, 'U' },
+	{ "port", 1, 0, 'P' },
+	{ "port", 1, 0, 'p' },
+	{ "debug", 0, 0, 'd' },
+	{ "syslog", 0, 0, 's' },
+	{ "rdma", 2, 0, 'R' },
+	{ "grace-time", 1, 0, 'G'},
+	{ "lease-time", 1, 0, 'L'},
+	{ NULL, 0, 0, 0 }
+};
+
+inline static void 
+read_nfsd_conf(void)
+{
+	conf_init_file(NFS_CONFFILE); 
+	xlog_set_debug("nfsd");
+}
+
+int
+main(int argc, char **argv)
+{
+	int	count = NFSD_NPROC, c, i, error = 0, portnum, fd, found_one;
+	char *p, *progname, *port, *rdma_port = NULL;
+	char **haddr = NULL;
+	char *scope = NULL;
+	int hcounter = 0;
+	struct conf_list *hosts;
+	int	socket_up = 0;
+	unsigned int minorvers = NFSCTL_MINDEFAULT;
+	unsigned int minorversset = NFSCTL_MINDEFAULT;
+	unsigned int minormask = 0;
+	unsigned int versbits = NFSCTL_VERDEFAULT;
+	unsigned int protobits = NFSCTL_PROTODEFAULT;
+	int grace = -1;
+	int lease = -1;
+	int force4dot0 = 0;
+
+	progname = basename(argv[0]);
+	haddr = xmalloc(sizeof(char *));
+	haddr[0] = NULL;
+
+	xlog_syslog(0);
+	xlog_stderr(1);
+
+	/* Read in config setting */
+	read_nfsd_conf();
+
+	nfssvc_get_minormask(&minormask);
+
+	count = conf_get_num("nfsd", "threads", count);
+	grace = conf_get_num("nfsd", "grace-time", grace);
+	lease = conf_get_num("nfsd", "lease-time", lease);
+	port = conf_get_str("nfsd", "port");
+	if (!port)
+		port = "nfs";
+	if (conf_get_bool("nfsd", "rdma", false)) {
+		rdma_port = conf_get_str("nfsd", "rdma-port");
+		if (!rdma_port)
+			rdma_port = "nfsrdma";
+	}
+	/* backward compatibility - nfs.conf used to set rdma port directly */
+	if (!rdma_port)
+		rdma_port = conf_get_str("nfsd", "rdma");
+	if (conf_get_bool("nfsd", "udp", NFSCTL_UDPISSET(protobits)))
+		NFSCTL_UDPSET(protobits);
+	else
+		NFSCTL_UDPUNSET(protobits);
+	if (conf_get_bool("nfsd", "tcp", NFSCTL_TCPISSET(protobits)))
+		NFSCTL_TCPSET(protobits);
+	else
+		NFSCTL_TCPUNSET(protobits);
+	for (i = 2; i <= 4; i++) {
+		char tag[20];
+		sprintf(tag, "vers%d", i);
+		if (conf_get_bool("nfsd", tag, NFSCTL_VERISSET(versbits, i))) {
+			NFSCTL_VERSET(versbits, i);
+			if (i == 4)
+				minorvers = minorversset = minormask;
+		} else {
+			NFSCTL_VERUNSET(versbits, i);
+			if (i == 4) {
+				minorvers = 0;
+				minorversset = minormask;
+			}
+		}
+	}
+
+	/* We assume the kernel will default all minor versions to 'on',
+	 * and allow the config file to disable some.
+	 */
+	for (i = NFS4_MINMINOR; i <= NFS4_MAXMINOR; i++) {
+		char tag[20];
+		sprintf(tag, "vers4.%d", i);
+		/* The default for minor version support is to let the
+		 * kernel decide.  We could ask the kernel what that choice
+		 * will be, but that is needlessly complex.
+		 * Instead, perform a config-file lookup using each of the
+		 * two possible default.  If the result is different from the
+		 * default, then impose that value, else don't make a change
+		 * (i.e. don't set the bit in minorversset).
+		 */
+		if (!conf_get_bool("nfsd", tag, 1)) {
+			NFSCTL_MINORSET(minorversset, i);
+			NFSCTL_MINORUNSET(minorvers, i);
+			if (i == 0)
+				force4dot0 = 1;
+		}
+		if (conf_get_bool("nfsd", tag, 0)) {
+			NFSCTL_MINORSET(minorversset, i);
+			NFSCTL_MINORSET(minorvers, i);
+			if (i == 0)
+				force4dot0 = 1;
+		}
+	}
+
+	hosts = conf_get_list("nfsd", "host");
+	if (hosts && hosts->cnt) {
+		struct conf_list_node *n;
+		haddr = realloc(haddr, sizeof(char*) * hosts->cnt);
+		TAILQ_FOREACH(n, &(hosts->fields), link) {
+			haddr[hcounter] = n->field;
+			hcounter++;
+		}
+	}
+	scope = conf_get_str("nfsd", "scope");
+
+	while ((c = getopt_long(argc, argv, "dH:S:hN:V:p:P:stTuUrG:L:", longopts, NULL)) != EOF) {
+		switch(c) {
+		case 'd':
+			xlog_config(D_ALL, 1);
+			break;
+		case 'H':
+			if (hosts) {
+				hosts = NULL;
+				hcounter = 0;
+			}
+			if (hcounter) {
+				haddr = realloc(haddr, sizeof(char*) * hcounter+1);
+				if(!haddr) {
+					fprintf(stderr, "%s: unable to allocate "
+							"memory.\n", progname);
+					exit(1);
+				}
+			}
+			haddr[hcounter] = optarg;
+			hcounter++;
+			break;
+		case 'S':
+			scope = optarg;
+			break;
+		case 'P':	/* XXX for nfs-server compatibility */
+		case 'p':
+			/* only the last -p option has any effect */
+			port = optarg;
+			break;
+		case 'r':
+			rdma_port = "nfsrdma";
+			break;
+		case 'R': /* --rdma */
+			if (optarg)
+				rdma_port = optarg;
+			else
+				rdma_port = "nfsrdma";
+			break;
+
+		case 'N':
+			switch((c = strtol(optarg, &p, 0))) {
+			case 4:
+				if (*p == '.') {
+					int i = atoi(p+1);
+					if (i < 0 || i > NFS4_MAXMINOR) {
+						fprintf(stderr, "%s: unsupported minor version\n", optarg);
+						exit(1);
+					}
+					NFSCTL_MINORSET(minorversset, i);
+					NFSCTL_MINORUNSET(minorvers, i);
+					if (i == 0)
+						force4dot0 = 1;
+					if (minorvers != 0)
+						break;
+				} else {
+					minorvers = 0;
+					minorversset = minormask;
+				}
+				/* FALLTHRU */
+			case 3:
+				NFSCTL_VERUNSET(versbits, c);
+				break;
+			default:
+				fprintf(stderr, "%s: Unsupported version\n", optarg);
+				exit(1);
+			}
+			break;
+		case 'V':
+			switch((c = strtol(optarg, &p, 0))) {
+			case 4:
+				if (*p == '.') {
+					int i = atoi(p+1);
+					if (i < 0 || i > NFS4_MAXMINOR) {
+						fprintf(stderr, "%s: unsupported minor version\n", optarg);
+						exit(1);
+					}
+					NFSCTL_MINORSET(minorversset, i);
+					NFSCTL_MINORSET(minorvers, i);
+					if (i == 0)
+						force4dot0 = 1;
+				} else
+					minorvers = minorversset = minormask;
+				/* FALLTHRU */
+			case 3:
+				NFSCTL_VERSET(versbits, c);
+				break;
+			default:
+				fprintf(stderr, "%s: Unsupported version\n", optarg);
+				exit(1);
+			}
+			break;
+		case 's':
+			xlog_syslog(1);
+			xlog_stderr(0);
+			break;
+		case 't':
+			NFSCTL_TCPSET(protobits);
+			break;
+		case 'T':
+			NFSCTL_TCPUNSET(protobits);
+			break;
+		case 'u':
+			NFSCTL_UDPSET(protobits);
+			break;
+		case 'U':
+			NFSCTL_UDPUNSET(protobits);
+			break;
+		case 'G':
+			grace = strtol(optarg, &p, 0);
+			if (*p || grace <= 0) {
+				fprintf(stderr, "%s: Unrecognized grace time.\n", optarg);
+				exit(1);
+			}
+			break;
+		case 'L':
+			lease = strtol(optarg, &p, 0);
+			if (*p || lease <= 0) {
+				fprintf(stderr, "%s: Unrecognized lease time.\n", optarg);
+				exit(1);
+			}
+			break;
+		default:
+			fprintf(stderr, "Invalid argument: '%c'\n", c);
+			/* FALLTHRU */
+		case 'h':
+			usage(progname);
+		}
+	}
+
+	if (optind < argc) {
+		if ((count = atoi(argv[optind])) < 0) {
+			/* insane # of servers */
+			fprintf(stderr,
+				"%s: invalid server count (%d), using 1\n",
+				argv[0], count);
+			count = 1;
+		} else if (count == 0) {
+			/*
+			 * don't bother setting anything else if the threads
+			 * are coming down anyway.
+			 */
+			socket_up = 1;
+			goto set_threads;
+		}
+	}
+
+	xlog_open(progname);
+
+	portnum = strtol(port, &p, 0);
+	if (!*p && (portnum <= 0 || portnum > 65535)) {
+		/* getaddrinfo will catch other errors, but not
+		 * out-of-range numbers.
+		 */
+		xlog(L_ERROR, "invalid port number: %s", port);
+		exit(1);
+	}
+
+	/* make sure that at least one version is enabled */
+	found_one = 0;
+	for (c = NFSD_MINVERS; c <= NFSD_MAXVERS; c++) {
+		if (NFSCTL_VERISSET(versbits, c))
+			found_one = 1;
+	}
+	if (!found_one) {
+		xlog(L_ERROR, "no version specified");
+		exit(1);
+	}
+
+	if (NFSCTL_VERISSET(versbits, 4) &&
+	    !NFSCTL_TCPISSET(protobits)) {
+		xlog(L_ERROR, "version 4 requires the TCP protocol");
+		exit(1);
+	}
+
+	if (chdir(NFS_STATEDIR)) {
+		xlog(L_ERROR, "chdir(%s) failed: %m", NFS_STATEDIR);
+		exit(1);
+	}
+
+	/* make sure nfsdfs is mounted if it's available */
+	nfssvc_mount_nfsdfs(progname);
+
+	/* can only change number of threads if nfsd is already up */
+	if (nfssvc_inuse()) {
+		socket_up = 1;
+		goto set_threads;
+	}
+
+	/*
+	 * Must set versions before the fd's so that the right versions get
+	 * registered with rpcbind. Note that on older kernels w/o the right
+	 * interfaces, these are a no-op.
+	 * Timeouts must also be set before ports are created else we get
+	 * EBUSY.
+	 */
+	nfssvc_setvers(versbits, minorvers, minorversset, force4dot0);
+	if (grace > 0)
+		nfssvc_set_time("grace", grace);
+	if (lease  > 0)
+		nfssvc_set_time("lease", lease);
+
+	if (scope) {
+		if (unshare(CLONE_NEWUTS) < 0 ||
+		    sethostname(scope, strlen(scope)) < 0) {
+			xlog(L_ERROR, "Unable to set server scope: %m");
+			error = -1;
+			goto out;
+		}
+	}
+	i = 0;
+	do {
+		error = nfssvc_set_sockets(protobits, haddr[i], port);
+		if (!error)
+			socket_up = 1;
+	} while (++i < hcounter);
+
+	if (rdma_port) {
+		error = nfssvc_set_rdmaport(rdma_port);
+		if (!error)
+			socket_up = 1;
+	}
+set_threads:
+	/* don't start any threads if unable to hand off any sockets */
+	if (!socket_up) {
+		xlog(L_ERROR, "unable to set any sockets for nfsd");
+		goto out;
+	}
+	error = 0;
+
+	/*
+	 * KLUDGE ALERT:
+	 * Some kernels let nfsd kernel threads inherit open files
+	 * from the program that spawns them (i.e. us).  So close
+	 * everything before spawning kernel threads.  --Chip
+	 */
+	fd = open("/dev/null", O_RDWR);
+	if (fd == -1)
+		xlog(L_ERROR, "Unable to open /dev/null: %m");
+	else {
+		/* switch xlog output to syslog since stderr is being closed */
+		xlog_syslog(1);
+		xlog_stderr(0);
+		(void) dup2(fd, 0);
+		(void) dup2(fd, 1);
+		(void) dup2(fd, 2);
+	}
+	closeall(3);
+
+	if ((error = nfssvc_threads(count)) < 0)
+		xlog(L_ERROR, "error starting threads: errno %d (%m)", errno);
+out:
+	free(haddr);
+	return (error != 0);
+}
+
+static void
+usage(const char *prog)
+{
+	fprintf(stderr, "Usage:\n"
+		"%s [-d|--debug] [-H hostname] [-p|-P|--port port]\n"
+		"   [-N|--no-nfs-version version] [-V|--nfs-version version]\n"
+		"   [-s|--syslog] [-t|--tcp] [-T|--no-tcp] [-u|--udp] [-U|--no-udp]\n"
+		"   [-r|--rdma=] [-G|--grace-time secs] [-L|--leasetime secs] nrservs\n",
+		prog);
+	exit(2);
+}
diff --git a/utils/nfsd/nfsd.man b/utils/nfsd/nfsd.man
new file mode 100644
index 0000000..6f4fc1d
--- /dev/null
+++ b/utils/nfsd/nfsd.man
@@ -0,0 +1,203 @@
+.\"
+.\" nfsd(8)
+.\"
+.\" Copyright (C) 1999 Olaf Kirch <okir@monad.swb.de>
+.TH rpc.nfsd 8 "20 Feb 2014"
+.SH NAME
+rpc.nfsd \- NFS server process
+.SH SYNOPSIS
+.BI "/usr/sbin/rpc.nfsd [" options "]" " "nproc
+.SH DESCRIPTION
+The
+.B rpc.nfsd
+program implements the user level part of the NFS service. The
+main functionality is handled by the
+.B nfsd
+kernel module. The user space program merely specifies what sort of sockets
+the kernel service should listen on, what NFS versions it should support, and
+how many kernel threads it should use.
+.P
+The
+.B rpc.mountd
+server provides an ancillary service needed to satisfy mount requests
+by NFS clients.
+.SH OPTIONS
+.TP
+.B \-d " or " \-\-debug
+enable logging of debugging messages
+.TP
+.B \-H " or " \-\-host  hostname
+specify a particular hostname (or address) that NFS requests will
+be accepted on. By default,
+.B rpc.nfsd
+will accept NFS requests on all known network addresses.
+Note that
+.B lockd
+(which performs file locking services for NFS) may still accept
+request on all known network addresses.  This may change in future
+releases of the Linux Kernel. This option can be used multiple times
+to listen to more than one interface.
+.TP
+.B \-S " or " \-\-scope scope
+NFSv4.1 and later require the server to report a "scope" which is used
+by the clients to detect if two connections are to the same server.
+By default Linux NFSD uses the host name as the scope.
+.sp
+It is particularly important for high-availablity configurations to ensure
+that all potential server nodes report the same server scope.
+.TP
+.B \-p " or " \-\-port  port
+specify a different port to listen on for NFS requests. By default,
+.B rpc.nfsd
+will listen on port 2049.
+.TP
+.B \-r " or " \-\-rdma
+specify that NFS requests on the standard RDMA port ("nfsrdma", port
+20049) should be honored.
+.TP
+.BI \-\-rdma= port
+Listen for RDMA requests on an alternate port - may be a number or a
+name listed in
+.BR /etc/services .
+.TP
+.B \-N " or " \-\-no-nfs-version vers
+This option can be used to request that 
+.B rpc.nfsd
+does not offer certain versions of NFS. The current version of
+.B rpc.nfsd
+can support major NFS versions 3,4 and the minor versions 4.0, 4.1 and 4.2.
+.TP
+.B \-s " or " \-\-syslog
+By default,
+.B rpc.nfsd
+logs error messages (and debug messages, if enabled) to stderr. This option makes 
+.B rpc.nfsd
+log these messages to syslog instead. Note that errors encountered during
+option processing will still be logged to stderr regardless of this option.
+.TP
+.B \-t " or " \-\-tcp
+Instruct the kernel nfs server to open and listen on a TCP socket. This is the default.
+.TP
+.B \-T " or " \-\-no-tcp
+Instruct the kernel nfs server not to open and listen on a TCP socket.
+.TP
+.B \-u " or " \-\-udp
+Instruct the kernel nfs server to open and listen on a UDP socket.
+.TP
+.B \-U " or " \-\-no-udp
+Instruct the kernel nfs server not to open and listen on a UDP socket. This is the default.
+.TP
+.B \-V " or " \-\-nfs-version vers
+This option can be used to request that 
+.B rpc.nfsd
+offer certain versions of NFS. The current version of
+.B rpc.nfsd
+can support major NFS versions 3,4 and the minor versions 4.0, 4.1 and 4.2.
+.TP
+.B \-L " or " \-\-lease-time seconds
+Set the lease-time used for NFSv4.  This corresponds to how often
+clients need to confirm their state with the server. Valid range is
+from 10 to 3600 seconds.
+.TP
+.B \-G " or " \-\-grace-time seconds
+Set the grace-time used for NFSv4 and NLM (for NFSv2 and NFSv3).
+New file open requests (NFSv4) and new file locks (NLM) will not be
+allowed until after this time has passed to allow clients to recover state.
+.TP
+.I nproc
+specify the number of NFS server threads. By default, eight
+threads are started. However, for optimum performance several threads
+should be used. The actual figure depends on the number of and the work
+load created by the NFS clients, but a useful starting point is
+eight threads. Effects of modifying that number can be checked using
+the
+.BR nfsstat (8)
+program.
+.P
+Note that if the NFS server is already running, then the options for
+specifying host, port, and protocol will be ignored.  The number of
+processes given will be the only option considered, and the number of
+active
+.B nfsd
+processes will be increased or decreased to match this number.
+In particular
+.B rpc.nfsd 0
+will stop all threads and thus close any open connections.
+
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [nfsd]
+section of the
+.I /etc/nfs.conf
+configuration file.  Values recognized include:
+.TP
+.B threads
+The number of threads to start.
+.TP
+.B host
+A host name, or comma separated list of host names, that
+.I rpc.nfsd
+will listen on.  Use of the
+.B --host
+option replaces all host names listed here.
+.TP
+.B scope
+Set the server scope.
+.TP
+.B grace-time
+The grace time, for both NFSv4 and NLM, in seconds.
+.TP
+.B lease-time
+The lease time for NFSv4, in seconds.
+.TP
+.B port
+Set the port for TCP/UDP to bind to.
+.TP
+.B rdma
+Enable RDMA port (with "on" or "yes" etc) on the standard port
+("nfsrdma", port 20049).
+.TP
+.B rdma-port
+Set an alternate RDMA port.
+.TP
+.B UDP
+Enable (with "on" or "yes" etc) or disable ("off", "no") UDP support.
+.TP
+.B TCP
+Enable or disable TCP support.
+.TP
+.B vers3
+.TP
+.B vers4
+Enable or disable 
+.B all 
+NFSv4 versions.  All versions are normally enabled
+by default.
+.TP
+.B vers4.1
+.TP
+.B vers4.2
+Setting these to "off" or similar will disable the selected minor
+versions.  Setting to "on" will enable them.  The default values
+are determined by the kernel, and usually minor versions default to
+being enabled once the implementation is sufficiently complete.
+
+.SH NOTES
+If the program is built with TI-RPC support, it will enable any protocol and
+address family combinations that are marked visible in the
+.B netconfig
+database.
+
+.SH SEE ALSO
+.BR nfsd (7),
+.BR rpc.mountd (8),
+.BR exports (5),
+.BR exportfs (8),
+.BR nfs.conf (5),
+.BR rpc.rquotad (8),
+.BR nfsstat (8),
+.BR netconfig(5).
+.SH AUTHOR
+Olaf Kirch, Bill Hawes, H. J. Lu, G. Allan Morris III,
+and a host of others.
diff --git a/utils/nfsd/nfssvc.c b/utils/nfsd/nfssvc.c
new file mode 100644
index 0000000..46452d9
--- /dev/null
+++ b/utils/nfsd/nfssvc.c
@@ -0,0 +1,438 @@
+/*
+ * utils/nfsd/nfssvc.c
+ *
+ * Run an NFS daemon.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "nfslib.h"
+#include "xlog.h"
+#include "nfssvc.h"
+#include "version.h"
+
+#ifndef NFSD_FS_DIR
+#define NFSD_FS_DIR	  "/proc/fs/nfsd"
+#endif
+
+#define NFSD_PORTS_FILE   NFSD_FS_DIR "/portlist"
+#define NFSD_VERS_FILE    NFSD_FS_DIR "/versions"
+#define NFSD_THREAD_FILE  NFSD_FS_DIR "/threads"
+
+/*
+ * declaring a common static scratch buffer here keeps us from having to
+ * continually thrash the stack. The value of 128 bytes here is really just a
+ * SWAG and can be increased if necessary. It ought to be enough for the
+ * routines below however.
+ */
+char buf[128];
+
+/*
+ * Using the "new" interfaces for nfsd requires that /proc/fs/nfsd is
+ * actually mounted. Make an attempt to mount it here if it doesn't appear
+ * to be.
+ */
+void
+nfssvc_mount_nfsdfs(char *progname)
+{
+	int err;
+	struct stat statbuf;
+
+	err = stat(NFSD_THREAD_FILE, &statbuf);
+	if (err == 0)
+		return;
+
+	if (errno != ENOENT) {
+		xlog(L_ERROR, "Unable to stat %s: errno %d (%m)",
+				NFSD_THREAD_FILE, errno);
+		return;
+	}
+
+	/*
+	 * this call can return an error if modprobe is set up to automatically
+	 * mount nfsdfs when nfsd.ko is plugged in. So, ignore the return
+	 * code from it and just check for the "threads" file afterward.
+	 */
+	err = system("/bin/mount -t nfsd nfsd " NFSD_FS_DIR " >/dev/null 2>&1");
+
+	err = stat(NFSD_THREAD_FILE, &statbuf);
+	if (err == 0)
+		return;
+
+	xlog(L_WARNING, "Unable to access " NFSD_FS_DIR " errno %d (%m)." 
+		"\nPlease try, as root, 'mount -t nfsd nfsd " NFSD_FS_DIR 
+		"' and then restart %s to correct the problem", errno, progname);
+
+	return;
+}
+
+/*
+ * Are there already sockets configured? If not, then it is safe to try to
+ * open some and pass them through.
+ *
+ * Note: If the user explicitly asked for 'udp', then we should probably check
+ * if that is open, and should open it if not. However we don't yet. All
+ * sockets have to be opened when the first daemon is started.
+ */
+int
+nfssvc_inuse(void)
+{
+	int fd, n;
+
+	fd = open(NFSD_PORTS_FILE, O_RDONLY);
+
+	/* problem opening file, assume that nothing is configured */
+	if (fd < 0)
+		return 0;
+
+	n = read(fd, buf, sizeof(buf));
+	close(fd);
+
+	xlog(D_GENERAL, "knfsd is currently %s", (n > 0) ? "up" : "down");
+
+	return (n > 0);
+}
+
+static int
+nfssvc_setfds(const struct addrinfo *hints, const char *node, const char *port)
+{
+	int fd, on = 1, fac = L_ERROR;
+	int sockfd = -1, rc = 0, bounded = 0;
+	struct addrinfo *addrhead = NULL, *addr;
+	char *proto, *family;
+
+	/*
+	 * if file can't be opened, fail.
+	 */
+	fd = open(NFSD_PORTS_FILE, O_WRONLY);
+	if (fd < 0)
+		return 0;
+
+	rc = getaddrinfo(node, port, hints, &addrhead);
+	if (rc == EAI_NONAME && !strcmp(port, "nfs")) {
+		snprintf(buf, sizeof(buf), "%d", NFS_PORT);
+		rc = getaddrinfo(node, buf, hints, &addrhead);
+	}
+
+	if (rc != 0) {
+		xlog(L_ERROR, "unable to resolve %s:%s: %s",
+			node ? node : "ANYADDR", port,
+			rc == EAI_SYSTEM ? strerror(errno) :
+				gai_strerror(rc));
+		goto error;
+	}
+
+	addr = addrhead;
+	while(addr) {
+		/* skip non-TCP / non-UDP sockets */
+		switch(addr->ai_protocol) {
+		case IPPROTO_UDP:
+			proto = "UDP";
+			break;
+		case IPPROTO_TCP:
+			proto = "TCP";
+			break;
+		default:
+			addr = addr->ai_next;
+			continue;
+		}
+
+		switch(addr->ai_addr->sa_family) {
+		case AF_INET:
+			family = "AF_INET";
+			break;
+#ifdef IPV6_SUPPORTED
+		case AF_INET6:
+			family = "AF_INET6";
+			break;
+#endif /* IPV6_SUPPORTED */
+		default:
+			addr = addr->ai_next;
+			continue;
+		}
+
+		/* open socket and prepare to hand it off to kernel */
+		sockfd = socket(addr->ai_family, addr->ai_socktype,
+				addr->ai_protocol);
+		if (sockfd < 0) {
+			if (errno != EAFNOSUPPORT) {
+				xlog(L_ERROR, "unable to create %s %s socket: "
+				     "errno %d (%m)", family, proto, errno);
+				rc = errno;
+				goto error;
+			}
+			addr = addr->ai_next;
+			continue;
+		}
+
+		xlog(D_GENERAL, "Created %s %s socket.", family, proto);
+
+#ifdef IPV6_SUPPORTED
+		if (addr->ai_family == AF_INET6 &&
+		    setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on))) {
+			xlog(L_ERROR, "unable to set IPV6_V6ONLY: "
+				"errno %d (%m)\n", errno);
+			rc = errno;
+			goto error;
+		}
+#endif /* IPV6_SUPPORTED */
+		if (addr->ai_protocol == IPPROTO_TCP &&
+		    setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) {
+			xlog(L_ERROR, "unable to set SO_REUSEADDR on %s "
+				"socket: errno %d (%m)", family, errno);
+			rc = errno;
+			goto error;
+		}
+		if (bind(sockfd, addr->ai_addr, addr->ai_addrlen)) {
+			xlog(L_ERROR, "unable to bind %s %s socket: "
+				"errno %d (%m)", family, proto, errno);
+			rc = errno;
+			goto error;
+		}
+		if (addr->ai_protocol == IPPROTO_TCP && listen(sockfd, 64)) {
+			xlog(L_ERROR, "unable to create listening socket: "
+				"errno %d (%m)", errno);
+			rc = errno;
+			goto error;
+		}
+
+		if (fd < 0)
+			fd = open(NFSD_PORTS_FILE, O_WRONLY);
+
+		if (fd < 0) {
+			xlog(L_ERROR, "couldn't open ports file: errno "
+				      "%d (%m)", errno);
+			goto error;
+		}
+
+		snprintf(buf, sizeof(buf), "%d\n", sockfd); 
+		if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) {
+			/*
+			 * this error may be common on older kernels that don't
+			 * support IPv6, so turn into a debug message.
+			 */
+			if (errno == EAFNOSUPPORT)
+				fac = D_ALL;
+			xlog(fac, "writing fd to kernel failed: errno %d (%m)",
+				  errno);
+			rc = errno;
+			goto error;
+		}
+		bounded++;
+
+		close(fd);
+		close(sockfd);
+		sockfd = fd = -1;
+		addr = addr->ai_next;
+	}
+error:
+	if (fd >= 0)
+		close(fd);
+	if (sockfd >= 0)
+		close(sockfd);
+	nfs_freeaddrinfo(addrhead);
+	return (bounded ? 0 : rc);
+}
+
+int
+nfssvc_set_sockets(const unsigned int protobits,
+		   const char *host, const char *port)
+{
+	struct addrinfo hints = { .ai_flags = AI_PASSIVE };
+
+#ifdef IPV6_SUPPORTED
+	hints.ai_family = AF_UNSPEC;
+#else  /* IPV6_SUPPORTED */
+	hints.ai_family = AF_INET;
+#endif /* IPV6_SUPPORTED */
+
+	if (!NFSCTL_ANYPROTO(protobits))
+		return EPROTOTYPE;
+	else if (!NFSCTL_UDPISSET(protobits))
+		hints.ai_protocol = IPPROTO_TCP;
+	else if (!NFSCTL_TCPISSET(protobits))
+		hints.ai_protocol = IPPROTO_UDP;
+
+	return nfssvc_setfds(&hints, host, port);
+}
+
+int
+nfssvc_set_rdmaport(const char *port)
+{
+	struct servent *sv = getservbyname(port, "tcp");
+	int nport;
+	char buf[20];
+	int ret;
+	int fd;
+
+	if (sv)
+		nport = ntohs(sv->s_port);
+	else {
+		char *ep;
+		nport = strtol(port, &ep, 10);
+		if (!*port || *ep) {
+			xlog(L_ERROR, "unable to interpret port name %s",
+			     port);
+			return 1;
+		}
+	}
+
+	fd = open(NFSD_PORTS_FILE, O_WRONLY);
+	if (fd < 0)
+		return 1;
+	snprintf(buf, sizeof(buf), "rdma %d", nport);
+	ret = 0;
+	if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) {
+		ret= errno;
+		xlog(L_ERROR, "Unable to request RDMA services: %m");
+	}
+	close(fd);
+	return ret;
+}
+
+void
+nfssvc_set_time(const char *type, const int seconds)
+{
+	char pathbuf[40];
+	char nbuf[10];
+	int fd;
+
+	snprintf(pathbuf, sizeof(pathbuf), NFSD_FS_DIR "/nfsv4%stime", type);
+	snprintf(nbuf, sizeof(nbuf), "%d", seconds);
+	fd = open(pathbuf, O_WRONLY);
+	if (fd >= 0) {
+		if (write(fd, nbuf, strlen(nbuf)) != (ssize_t)strlen(nbuf))
+			xlog(L_ERROR, "Unable to set nfsv4%stime: %m", type);
+		close(fd);
+	}
+	if (strcmp(type, "grace") == 0) {
+		/* set same value for lockd */
+		fd = open("/proc/sys/fs/nfs/nlm_grace_period", O_WRONLY);
+		if (fd >= 0) {
+			if (write(fd, nbuf, strlen(nbuf)) != (ssize_t)strlen(nbuf))
+				xlog(L_ERROR, "Unable to write nlm_grace_period : %m");
+			close(fd);
+		}
+	}
+}
+
+void
+nfssvc_get_minormask(unsigned int *mask)
+{
+	int fd;
+	char *ptr = buf;
+	ssize_t size;
+
+	fd = open(NFSD_VERS_FILE, O_RDONLY);
+	if (fd < 0)
+		return;
+
+	size = read(fd, buf, sizeof(buf));
+	if (size < 0) {
+		xlog(L_ERROR, "Getting versions failed: errno %d (%m)", errno);
+		goto out;
+	}
+	ptr[size] = '\0';
+	for (;;) {
+		unsigned vers, minor = 0;
+		char *token = strtok(ptr, " ");
+
+		if (!token)
+			break;
+		ptr = NULL;
+		if (*token != '+' && *token != '-')
+			continue;
+		if (sscanf(++token, "%u.%u", &vers, &minor) > 0 &&
+		    vers == 4 && minor <= NFS4_MAXMINOR)
+			NFSCTL_MINORSET(*mask, minor);
+	}
+out:
+	close(fd);
+	return;
+}
+
+static int
+nfssvc_print_vers(char *ptr, unsigned size, unsigned vers, unsigned minorvers,
+		int isset, int force4dot0)
+{
+	char sign = isset ? '+' : '-';
+	if (minorvers == 0)
+		if (linux_version_code() < MAKE_VERSION(4, 11, 0) || !force4dot0)
+			return snprintf(ptr, size, "%c%u ", sign, vers);
+	return snprintf(ptr, size, "%c%u.%u ", sign, vers, minorvers);
+}
+
+void
+nfssvc_setvers(unsigned int ctlbits, unsigned int minorvers, unsigned int minorversset,
+	       int force4dot0)
+{
+	int fd, n, off;
+
+	off = 0;
+	fd = open(NFSD_VERS_FILE, O_WRONLY);
+	if (fd < 0)
+		return;
+
+	for (n = NFSD_MINVERS; n <= ((NFSD_MAXVERS < 3) ? NFSD_MAXVERS : 3); n++)
+		off += nfssvc_print_vers(&buf[off], sizeof(buf) - off,
+				n, 0, NFSCTL_VERISSET(ctlbits, n), 0);
+
+	for (n = 0; n <= NFS4_MAXMINOR; n++) {
+		if (!NFSCTL_MINORISSET(minorversset, n))
+			continue;
+		off += nfssvc_print_vers(&buf[off], sizeof(buf) - off,
+				4, n, NFSCTL_MINORISSET(minorvers, n),
+				(n == 0) ? force4dot0 : 0);
+	}
+	if (!off--)
+		goto out;
+	buf[off] = '\0';
+	xlog(D_GENERAL, "Writing version string to kernel: %s", buf);
+	snprintf(&buf[off], sizeof(buf) - off, "\n");
+	if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf))
+		xlog(L_ERROR, "Setting version failed: errno %d (%m)", errno);
+out:
+	close(fd);
+
+	return;
+}
+
+int
+nfssvc_threads(const int nrservs)
+{
+	ssize_t n;
+	int fd;
+
+	fd = open(NFSD_THREAD_FILE, O_WRONLY);
+	if (fd < 0)
+		fd = open("/proc/fs/nfs/threads", O_WRONLY);
+	if (fd >= 0) {
+		/* 2.5+ kernel with nfsd filesystem mounted.
+		 * Just write the number of threads.
+		 */
+		snprintf(buf, sizeof(buf), "%d\n", nrservs);
+		n = write(fd, buf, strlen(buf));
+		close(fd);
+		if (n != (ssize_t)strlen(buf))
+			return -1;
+		else
+			return 0;
+	}
+	return -1;
+}
diff --git a/utils/nfsd/nfssvc.h b/utils/nfsd/nfssvc.h
new file mode 100644
index 0000000..4d53af1
--- /dev/null
+++ b/utils/nfsd/nfssvc.h
@@ -0,0 +1,32 @@
+/*
+ *   utils/nfsd/nfssvc.h -- nfs service control routines for rpc.nfsd
+ *
+ *   Copyright (C) 2009 Red Hat, Inc <nfs@redhat.com>.
+ *   Copyright (C) 2009 Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+void	nfssvc_mount_nfsdfs(char *progname);
+int	nfssvc_inuse(void);
+int	nfssvc_set_sockets(const unsigned int protobits,
+			   const char *host, const char *port);
+void	nfssvc_set_time(const char *type, const int seconds);
+int	nfssvc_set_rdmaport(const char *port);
+void	nfssvc_setvers(unsigned int ctlbits, unsigned int minorvers4,
+		       unsigned int minorvers4set, int force4dot0);
+int	nfssvc_threads(int nrservs);
+void	nfssvc_get_minormask(unsigned int *mask);