Adding upstream version 2.4.1.upstream/2.4.1upstream

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

7 files changed, 1383 insertions, 0 deletions

diff --git a/src/share/yang/modules/utils/Makefile.am b/src/share/yang/modules/utils/Makefile.am
new file mode 100644
index 0000000..fef578e
--- /dev/null
+++ b/src/share/yang/modules/utils/Makefile.am
@@ -0,0 +1,31 @@
+SUBDIRS = .
+
+yangdir = ${datarootdir}/${PACKAGE_NAME}/yang/modules/utils
+
+yang_list  =
+yang_list += check-hashes.sh
+yang_list += check-revisions.sh
+
+EXTRA_DIST = ${yang_list}
+
+if HAVE_NETCONF
+
+yang_SCRIPTS = reinstall.sh
+
+# Shell tests
+SHTESTS  =
+SHTESTS += check-hashes.sh
+SHTESTS += check-revisions.sh
+
+if HAVE_GTEST
+
+# Run shell tests on "make check".
+check_SCRIPTS = $(SHTESTS)
+TESTS = $(SHTESTS)
+
+endif
+
+# Don't install shell tests.
+noinst_SCRIPTS = $(SHTESTS)
+
+endif
diff --git a/src/share/yang/modules/utils/Makefile.in b/src/share/yang/modules/utils/Makefile.in
new file mode 100644
index 0000000..b43e721
--- /dev/null
+++ b/src/share/yang/modules/utils/Makefile.in
@@ -0,0 +1,935 @@
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+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/share/yang/modules/utils/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/share/yang/modules/utils/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+check-revisions.sh: $(top_builddir)/config.status $(srcdir)/check-revisions.sh.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
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+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+install-yangSCRIPTS: $(yang_SCRIPTS)
+	@$(NORMAL_INSTALL)
+	@list='$(yang_SCRIPTS)'; test -n "$(yangdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(yangdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(yangdir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  if test -f "$$d$$p"; then echo "$$d$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n' \
+	    -e 'h;s|.*|.|' \
+	    -e 'p;x;s,.*/,,;$(transform)' | 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; \
+	      if (++n[d] == $(am__install_max)) { \
+		print "f", d, files[d]; n[d] = 0; files[d] = "" } } \
+	    else { print "f", d "/" $$4, $$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 "$$files" || { \
+	       echo " $(INSTALL_SCRIPT) $$files '$(DESTDIR)$(yangdir)$$dir'"; \
+	       $(INSTALL_SCRIPT) $$files "$(DESTDIR)$(yangdir)$$dir" || exit $$?; \
+	     } \
+	; done
+
+uninstall-yangSCRIPTS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(yang_SCRIPTS)'; test -n "$(yangdir)" || exit 0; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	       sed -e 's,.*/,,;$(transform)'`; \
+	dir='$(DESTDIR)$(yangdir)'; $(am__uninstall_files_from_dir)
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+# This directory's subdirectories are mostly independent; you can cd
+# into them and run 'make' without going through this Makefile.
+# To change the values of 'make' variables: instead of editing Makefiles,
+# (1) if the variable is set in 'config.status', edit 'config.status'
+#     (which will cause the Makefiles to be regenerated when you run 'make');
+# (2) otherwise, pass the desired values on the 'make' command line.
+$(am__recursive_targets):
+	@fail=; \
+	if $(am__make_keepgoing); then \
+	  failcom='fail=yes'; \
+	else \
+	  failcom='exit 1'; \
+	fi; \
+	dot_seen=no; \
+	target=`echo $@ | sed s/-recursive//`; \
+	case "$@" in \
+	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+	  *) list='$(SUBDIRS)' ;; \
+	esac; \
+	for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
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+	    dot_seen=yes; \
+	    local_target="$$target-am"; \
+	  else \
+	    local_target="$$target"; \
+	  fi; \
+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done; \
+	if test "$$dot_seen" = "no"; then \
+	  $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
+	fi; test -z "$$fail"
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+	  include_option=--etags-include; \
+	  empty_fix=.; \
+	else \
+	  include_option=--include; \
+	  empty_fix=; \
+	fi; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
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+	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
+	  fi; \
+	done; \
+	$(am__define_uniq_tagged_files); \
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+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
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+	      $$unique; \
+	  fi; \
+	fi
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+	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) "$$here"
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+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$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
+
+check-TESTS: $(TESTS)
+	@failed=0; all=0; xfail=0; xpass=0; skip=0; \
+	srcdir=$(srcdir); export srcdir; \
+	list=' $(TESTS) '; \
+	$(am__tty_colors); \
+	if test -n "$$list"; then \
+	  for tst in $$list; do \
+	    if test -f ./$$tst; then dir=./; \
+	    elif test -f $$tst; then dir=; \
+	    else dir="$(srcdir)/"; fi; \
+	    if $(TESTS_ENVIRONMENT) $${dir}$$tst $(AM_TESTS_FD_REDIRECT); then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xpass=`expr $$xpass + 1`; \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=XPASS; \
+	      ;; \
+	      *) \
+		col=$$grn; res=PASS; \
+	      ;; \
+	      esac; \
+	    elif test $$? -ne 77; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xfail=`expr $$xfail + 1`; \
+		col=$$lgn; res=XFAIL; \
+	      ;; \
+	      *) \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=FAIL; \
+	      ;; \
+	      esac; \
+	    else \
+	      skip=`expr $$skip + 1`; \
+	      col=$$blu; res=SKIP; \
+	    fi; \
+	    echo "$${col}$$res$${std}: $$tst"; \
+	  done; \
+	  if test "$$all" -eq 1; then \
+	    tests="test"; \
+	    All=""; \
+	  else \
+	    tests="tests"; \
+	    All="All "; \
+	  fi; \
+	  if test "$$failed" -eq 0; then \
+	    if test "$$xfail" -eq 0; then \
+	      banner="$$All$$all $$tests passed"; \
+	    else \
+	      if test "$$xfail" -eq 1; then failures=failure; else failures=failures; fi; \
+	      banner="$$All$$all $$tests behaved as expected ($$xfail expected $$failures)"; \
+	    fi; \
+	  else \
+	    if test "$$xpass" -eq 0; then \
+	      banner="$$failed of $$all $$tests failed"; \
+	    else \
+	      if test "$$xpass" -eq 1; then passes=pass; else passes=passes; fi; \
+	      banner="$$failed of $$all $$tests did not behave as expected ($$xpass unexpected $$passes)"; \
+	    fi; \
+	  fi; \
+	  dashes="$$banner"; \
+	  skipped=""; \
+	  if test "$$skip" -ne 0; then \
+	    if test "$$skip" -eq 1; then \
+	      skipped="($$skip test was not run)"; \
+	    else \
+	      skipped="($$skip tests were not run)"; \
+	    fi; \
+	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$skipped"; \
+	  fi; \
+	  report=""; \
+	  if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+	    report="Please report to $(PACKAGE_BUGREPORT)"; \
+	    test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$report"; \
+	  fi; \
+	  dashes=`echo "$$dashes" | sed s/./=/g`; \
+	  if test "$$failed" -eq 0; then \
+	    col="$$grn"; \
+	  else \
+	    col="$$red"; \
+	  fi; \
+	  echo "$${col}$$dashes$${std}"; \
+	  echo "$${col}$$banner$${std}"; \
+	  test -z "$$skipped" || echo "$${col}$$skipped$${std}"; \
+	  test -z "$$report" || echo "$${col}$$report$${std}"; \
+	  echo "$${col}$$dashes$${std}"; \
+	  test "$$failed" -eq 0; \
+	else :; fi
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/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)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
+	      || test -d "$(distdir)/$$subdir" \
+	      || $(MKDIR_P) "$(distdir)/$$subdir" \
+	      || exit 1; \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_SCRIPTS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-recursive
+all-am: Makefile $(SCRIPTS)
+installdirs: installdirs-recursive
+installdirs-am:
+	for dir in "$(DESTDIR)$(yangdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(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."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
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+info: info-recursive
+
+info-am:
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+install-data-am: install-yangSCRIPTS
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
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+
+install-html: install-html-recursive
+
+install-html-am:
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+install-info: install-info-recursive
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+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-yangSCRIPTS
+
+.MAKE: $(am__recursive_targets) check-am install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \
+	check-TESTS check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags ctags-am distclean distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip install-yangSCRIPTS \
+	installcheck installcheck-am installdirs installdirs-am \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-yangSCRIPTS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/share/yang/modules/utils/check-hashes.sh b/src/share/yang/modules/utils/check-hashes.sh
new file mode 100755
index 0000000..efe9c5e
--- /dev/null
+++ b/src/share/yang/modules/utils/check-hashes.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+# Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Check hashes
+#
+# This developer script verifies recorded hashes still match the
+# result of SHA-256 checksums of the YIN format.
+# Requires yanglint to translate YANG to YIN formats and openssl
+# for a system independent SHA-256.
+
+# Exit with error if commands exit with non-zero and if undefined variables are
+# used.
+set -eu
+
+# Change directory to the YANG modules' directory.
+cd "/home/admin/workspace/kea-2.4/build-tarball/kea/src/share/yang/modules"
+
+amend=false
+if test "${1-}" = '-a' || test "${1-}" = '--amend'; then
+    amend=true
+fi
+
+exit_code=0
+
+LIBYANG_PREFIX=''
+
+# Find yanglint.
+if test -f "${LIBYANG_PREFIX}/bin/yanglint"; then
+    yanglint="${LIBYANG_PREFIX}/bin/yanglint"
+    LD_LIBRARY_PATH="${LD_LIBRARY_PATH-}:${LIBYANG_PREFIX}/lib:${LIBYANG_PREFIX}/lib64"
+    export LD_LIBRARY_PATH
+elif command -v yanglint; then
+    yanglint='yanglint'
+else
+    exit_code=$((exit_code | 2))
+    printf 'ERROR: cannot find yanglint.\n' >&2
+    exit "${exit_code}"
+fi
+
+for m in *.yang; do
+    hash1=$("${yanglint}" -f yin "${m}" | openssl dgst -sha256 | sed 's/(stdin)= //' | sed 's/SHA2-256//')
+    h="hashes/$(basename "${m}" .yang).hash"
+    if test -f "${h}"; then
+        hash2=$(cat "${h}")
+        if test "$hash1" != "$hash2"
+        then
+            exit_code=$((exit_code | 4))
+            printf 'ERROR: hash mismatch on %s expected %s in %s\n' "${m}" "${hash1}" "${h}" >&2
+            if "${amend}"; then
+                printf '%s\n' "${hash1}" > "${h}"
+            fi
+        fi
+    else
+        exit_code=$((exit_code | 8))
+        printf 'ERROR: missing hash file %s for %s\n' "${h}" "${m}" >&2
+        if "${amend}"; then
+            printf '%s\n' "${hash1}" > "${h}"
+        fi
+    fi
+done
+
+exit "${exit_code}"
diff --git a/src/share/yang/modules/utils/check-hashes.sh.in b/src/share/yang/modules/utils/check-hashes.sh.in
new file mode 100644
index 0000000..8ca411f
--- /dev/null
+++ b/src/share/yang/modules/utils/check-hashes.sh.in
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+# Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Check hashes
+#
+# This developer script verifies recorded hashes still match the
+# result of SHA-256 checksums of the YIN format.
+# Requires yanglint to translate YANG to YIN formats and openssl
+# for a system independent SHA-256.
+
+# Exit with error if commands exit with non-zero and if undefined variables are
+# used.
+set -eu
+
+# Change directory to the YANG modules' directory.
+cd "@abs_top_srcdir@/src/share/yang/modules"
+
+amend=false
+if test "${1-}" = '-a' || test "${1-}" = '--amend'; then
+    amend=true
+fi
+
+exit_code=0
+
+LIBYANG_PREFIX='@LIBYANG_PREFIX@'
+
+# Find yanglint.
+if test -f "${LIBYANG_PREFIX}/bin/yanglint"; then
+    yanglint="${LIBYANG_PREFIX}/bin/yanglint"
+    LD_LIBRARY_PATH="${LD_LIBRARY_PATH-}:${LIBYANG_PREFIX}/lib:${LIBYANG_PREFIX}/lib64"
+    export LD_LIBRARY_PATH
+elif command -v yanglint; then
+    yanglint='yanglint'
+else
+    exit_code=$((exit_code | 2))
+    printf 'ERROR: cannot find yanglint.\n' >&2
+    exit "${exit_code}"
+fi
+
+for m in *.yang; do
+    hash1=$("${yanglint}" -f yin "${m}" | openssl dgst -sha256 | sed 's/(stdin)= //' | sed 's/SHA2-256//')
+    h="hashes/$(basename "${m}" .yang).hash"
+    if test -f "${h}"; then
+        hash2=$(cat "${h}")
+        if test "$hash1" != "$hash2"
+        then
+            exit_code=$((exit_code | 4))
+            printf 'ERROR: hash mismatch on %s expected %s in %s\n' "${m}" "${hash1}" "${h}" >&2
+            if "${amend}"; then
+                printf '%s\n' "${hash1}" > "${h}"
+            fi
+        fi
+    else
+        exit_code=$((exit_code | 8))
+        printf 'ERROR: missing hash file %s for %s\n' "${h}" "${m}" >&2
+        if "${amend}"; then
+            printf '%s\n' "${hash1}" > "${h}"
+        fi
+    fi
+done
+
+exit "${exit_code}"
diff --git a/src/share/yang/modules/utils/check-revisions.sh b/src/share/yang/modules/utils/check-revisions.sh
new file mode 100755
index 0000000..e5af0b6
--- /dev/null
+++ b/src/share/yang/modules/utils/check-revisions.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Check revisions
+#
+# This developer script verifies versions in module contents match
+# the version in the name.
+# Requires yanglint to translate YANG to YIN formats.
+# Fixme: use xlstproc to extract the revision.
+
+# Exit with error if commands exit with non-zero and if undefined variables are
+# used.
+set -eu
+
+# Change directory to the YANG modules' directory.
+cd "/home/admin/workspace/kea-2.4/build-tarball/kea/src/share/yang/modules"
+
+exit_code=0
+
+LIBYANG_PREFIX=''
+
+# Find yanglint.
+if test -f "${LIBYANG_PREFIX}/bin/yanglint"; then
+    yanglint="${LIBYANG_PREFIX}/bin/yanglint"
+    LD_LIBRARY_PATH="${LD_LIBRARY_PATH-}:${LIBYANG_PREFIX}/lib:${LIBYANG_PREFIX}/lib64"
+    export LD_LIBRARY_PATH
+elif command -v yanglint; then
+    yanglint='yanglint'
+else
+    exit_code=$((exit_code | 2))
+    printf 'ERROR: cannot find yanglint.\n' >&2
+    exit "${exit_code}"
+fi
+
+for m in *.yang; do
+    rev1=$("${yanglint}" -f yin "${m}" | grep '<revision date=' | head -1 | sed \
+ 's/.*<revision date="\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\)".*/\1/')
+    rev2=$(echo "${m}" | sed \
+ 's/.*@\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\)\..*/\1/')
+
+    if test "${rev1}" != "${rev2}"; then
+        exit_code=$((exit_code | 4))
+        printf 'ERROR: revision mismatch on module %s: revision date is %s, file name has %s.\n' "${m}" "${rev1}" "${rev2}" >&2
+    fi
+done
+
+exit "${exit_code}"
diff --git a/src/share/yang/modules/utils/check-revisions.sh.in b/src/share/yang/modules/utils/check-revisions.sh.in
new file mode 100644
index 0000000..5990100
--- /dev/null
+++ b/src/share/yang/modules/utils/check-revisions.sh.in
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Check revisions
+#
+# This developer script verifies versions in module contents match
+# the version in the name.
+# Requires yanglint to translate YANG to YIN formats.
+# Fixme: use xlstproc to extract the revision.
+
+# Exit with error if commands exit with non-zero and if undefined variables are
+# used.
+set -eu
+
+# Change directory to the YANG modules' directory.
+cd "@abs_top_srcdir@/src/share/yang/modules"
+
+exit_code=0
+
+LIBYANG_PREFIX='@LIBYANG_PREFIX@'
+
+# Find yanglint.
+if test -f "${LIBYANG_PREFIX}/bin/yanglint"; then
+    yanglint="${LIBYANG_PREFIX}/bin/yanglint"
+    LD_LIBRARY_PATH="${LD_LIBRARY_PATH-}:${LIBYANG_PREFIX}/lib:${LIBYANG_PREFIX}/lib64"
+    export LD_LIBRARY_PATH
+elif command -v yanglint; then
+    yanglint='yanglint'
+else
+    exit_code=$((exit_code | 2))
+    printf 'ERROR: cannot find yanglint.\n' >&2
+    exit "${exit_code}"
+fi
+
+for m in *.yang; do
+    rev1=$("${yanglint}" -f yin "${m}" | grep '<revision date=' | head -1 | sed \
+ 's/.*<revision date="\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\)".*/\1/')
+    rev2=$(echo "${m}" | sed \
+ 's/.*@\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\)\..*/\1/')
+
+    if test "${rev1}" != "${rev2}"; then
+        exit_code=$((exit_code | 4))
+        printf 'ERROR: revision mismatch on module %s: revision date is %s, file name has %s.\n' "${m}" "${rev1}" "${rev2}" >&2
+    fi
+done
+
+exit "${exit_code}"
diff --git a/src/share/yang/modules/utils/reinstall.sh.in b/src/share/yang/modules/utils/reinstall.sh.in
new file mode 100644
index 0000000..efb3627
--- /dev/null
+++ b/src/share/yang/modules/utils/reinstall.sh.in
@@ -0,0 +1,179 @@
+#!/bin/sh
+
+# Copyright (C) 2021-2022 Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Usage:
+#
+# reinstall.sh [-d|--debug] [-h|--help] [-s|--sysrepo ${SYSREPO_INSTALLATION}]
+
+# Exit with error if commands exit with non-zero and if undefined variables are
+# used.
+set -eu
+
+# Print usage.
+# Expressions don't expand in single quotes, use double quotes for that. [SC2016]
+# shellcheck disable=SC2016
+print_usage() {
+  printf \
+'Usage: %s {{options}}
+Options:
+  [-d|--debug]                              enable debug mode, showing every executed command
+  [-h|--help]                               print usage (this text)
+  [-s|--sysrepo ${SYSREPO_INSTALLATION}]    point to sysrepo installation which is needed for sysrepoctl
+  [-u|--uninstall-first]                    uninstall before installing
+' \
+    "$(basename "${0}")"
+}
+
+# Define some ANSI color codes.
+if test -t 1; then
+  red='\033[91m'
+  reset='\033[0m'
+else
+  red=
+  reset=
+fi
+
+# Parse parameters.
+while test ${#} -gt 0; do
+  case "${1}" in
+    # [-d|--debug]                              enable debug mode, showing every executed command
+    '-d'|'--debug') set -vx ;;
+
+    # [-h|--help]                               print usage (this text)
+    '-h'|'--help') print_usage; exit 0 ;;
+
+    # [-s|--sysrepo ${SYSREPO_INSTALLATION}]    point to sysrepo installation which is needed for sysrepoctl
+    '-s'|'--sysrepo') shift; sysrepo=${1} ;;
+
+    # [-u|--uninstall-first]                    uninstall before installing
+    '-u'|'--uninstall-first') uninstall_first=true ;;
+
+    # Unrecognized argument
+    *)
+    printf "${red}ERROR: Unrecognized argument '%s'${reset}\\n" "${1}" 1>&2; print_usage; exit 1 ;;
+  esac; shift
+done
+
+SYSREPO_PREFIX='@SYSREPO_PREFIX@'
+
+# Default arguments
+if test -z "${sysrepo+x}"; then
+  if test -d "${SYSREPO_PREFIX}"; then
+    sysrepo="${SYSREPO_PREFIX}"
+    LD_LIBRARY_PATH="${LD_LIBRARY_PATH-}:${SYSREPO_PREFIX}/lib:${SYSREPO_PREFIX}/lib64"
+    export LD_LIBRARY_PATH
+  else
+    sysrepo='/usr/local'
+  fi
+fi
+test -z "${uninstall_first+x}" && uninstall_first='false'
+
+#------------------------------------------------------------------------------#
+
+# Get script path.
+script_path=$(cd "$(dirname "${0}")" && pwd)
+
+# shellcheck disable=SC2034
+# prefix appears unused. Verify use (or export if used externally).
+# reason: prefix is used in datarootdir (@datarootdir@) below.
+prefix="@prefix@"
+
+# Find modules location.
+# If script is in sources, use modules from sources.
+# If script is in installation, use modules from installation.
+for i in \
+  "@datarootdir@/@PACKAGE_NAME@/yang/modules" \
+  "@abs_top_builddir@/src/share/yang/modules" \
+; do
+  if test "${script_path}" = "${i}/utils"; then
+    modules="${i}"
+    break
+  fi
+done
+if test -z "${modules+x}"; then
+  printf 'ERROR: cannot find location of modules. Use this script from sources or from installation.' >&2
+  exit 1
+fi
+
+# sysrepoctl does not set its rpath. Set LD_LIBRARY_PATH instead.
+export LD_LIBRARY_PATH="${LD_LIBRARY_PATH-}:${sysrepo}/lib:${sysrepo}/lib64"
+
+# Check if module is installed.
+is_module_installed() {
+  module=${1}
+  if test "$("${sysrepo}/bin/sysrepoctl" -l | grep -F '| I' | cut -d ' ' -f 1 | tail -n +7 | head -n -1 | grep -Ec "^${module}")" -eq 0; then
+    # not installed
+    return 1
+  fi
+  # installed
+  return 0
+}
+
+# Install a module from the Kea sources. Should upgrade automatically to a newer
+# revision.
+install_kea_module() {
+  module=${1}
+
+  if is_module_installed "${module}"; then
+    # Upgrade.
+    flag="-U"
+  else
+    # Install.
+    flag="-i"
+  fi
+
+  # Find a module starting with given name and act on it.
+  find "${modules}" -maxdepth 1 -type f -name "${module}*.yang" -exec \
+    "${sysrepo}/bin/sysrepoctl" "${flag}" {} -s "${modules}" -v 4 \;
+}
+
+# Uninstall a module if installed.
+uninstall_module() {
+  module=${1}
+  if ! is_module_installed "${module}"; then
+    return;
+  fi
+  "${sysrepo}/bin/sysrepoctl" -u "${module}" -v 4
+}
+
+# Install all YANG modules in dependency order.
+install_yang_modules() {
+  install_kea_module 'keatest-module'
+  install_kea_module 'ietf-interfaces'
+  install_kea_module 'ietf-dhcpv6-common'
+  install_kea_module 'ietf-dhcpv6-client'
+  install_kea_module 'ietf-dhcpv6-relay'
+  install_kea_module 'ietf-dhcpv6-server'
+  install_kea_module 'ietf-yang-types'
+  install_kea_module 'ietf-dhcpv6-options'
+  install_kea_module 'ietf-dhcpv6-types'
+  install_kea_module 'ietf-inet-types'
+  install_kea_module 'kea-types'
+  install_kea_module 'kea-dhcp-types'
+  install_kea_module 'kea-dhcp-ddns'
+  install_kea_module 'kea-ctrl-agent'
+  install_kea_module 'kea-dhcp4-server'
+  install_kea_module 'kea-dhcp6-server'
+}
+
+# Uninstall all YANG modules in reverse dependency order. Only uninstalls Kea
+# modules. IETF modules might be dependencies to sysrepo internal modules.
+uninstall_yang_modules() {
+  uninstall_module 'kea-dhcp6-server'
+  uninstall_module 'kea-dhcp4-server'
+  uninstall_module 'kea-ctrl-agent'
+  uninstall_module 'kea-dhcp-ddns'
+  uninstall_module 'kea-dhcp-types'
+  uninstall_module 'kea-types'
+  uninstall_module 'keatest-module'
+}
+
+if "${uninstall_first}"; then
+  uninstall_yang_modules
+fi
+install_yang_modules