crypt(3) is used in the plain password file.

In addition, ocpasswd program was added to generate password file entries.

gl/Makefile.am

@@ -21,7 +21,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --no-conditional-dependencies --no-libtool --macro-prefix=gl cloexec getline gettime memmem
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --no-conditional-dependencies --no-libtool --macro-prefix=gl cloexec getline getpass gettime memmem minmax
 
 AUTOMAKE_OPTIONS = 1.5 gnits
 
@@ -161,6 +161,33 @@ EXTRA_DIST += fd-hook.h
 
 ## end   gnulib module fd-hook
 
+## begin gnulib module fseek
+
+
+EXTRA_DIST += fseek.c
+
+EXTRA_libgnu_a_SOURCES += fseek.c
+
+## end   gnulib module fseek
+
+## begin gnulib module fseeko
+
+
+EXTRA_DIST += fseeko.c stdio-impl.h
+
+EXTRA_libgnu_a_SOURCES += fseeko.c
+
+## end   gnulib module fseeko
+
+## begin gnulib module fstat
+
+
+EXTRA_DIST += fstat.c
+
+EXTRA_libgnu_a_SOURCES += fstat.c
+
+## end   gnulib module fstat
+
 ## begin gnulib module getdelim
 
 
@@ -188,6 +215,15 @@ EXTRA_libgnu_a_SOURCES += getline.c
 
 ## end   gnulib module getline
 
+## begin gnulib module getpass
+
+
+EXTRA_DIST += getpass.c getpass.h
+
+EXTRA_libgnu_a_SOURCES += getpass.c
+
+## end   gnulib module getpass
+
 ## begin gnulib module gettime
 
 libgnu_a_SOURCES += gettime.c
@@ -203,6 +239,24 @@ EXTRA_libgnu_a_SOURCES += gettimeofday.c
 
 ## end   gnulib module gettimeofday
 
+## begin gnulib module lseek
+
+
+EXTRA_DIST += lseek.c
+
+EXTRA_libgnu_a_SOURCES += lseek.c
+
+## end   gnulib module lseek
+
+## begin gnulib module malloc-posix
+
+
+EXTRA_DIST += malloc.c
+
+EXTRA_libgnu_a_SOURCES += malloc.c
+
+## end   gnulib module malloc-posix
+
 ## begin gnulib module memchr
 
 
@@ -221,6 +275,12 @@ EXTRA_libgnu_a_SOURCES += memmem.c
 
 ## end   gnulib module memmem-simple
 
+## begin gnulib module minmax
+
+libgnu_a_SOURCES += minmax.h
+
+## end   gnulib module minmax
+
 ## begin gnulib module msvc-inval
 
 
@@ -663,6 +723,15 @@ EXTRA_DIST += stdlib.in.h
 
 ## end   gnulib module stdlib
 
+## begin gnulib module strdup-posix
+
+
+EXTRA_DIST += strdup.c
+
+EXTRA_libgnu_a_SOURCES += strdup.c
+
+## end   gnulib module strdup-posix
+
 ## begin gnulib module string
 
 BUILT_SOURCES += string.h
@@ -763,6 +832,68 @@ EXTRA_DIST += string.in.h
 
 ## end   gnulib module string
 
+## begin gnulib module sys_stat
+
+BUILT_SOURCES += sys/stat.h
+
+# We need the following in order to create <sys/stat.h> when the system
+# has one that is incomplete.
+sys/stat.h: sys_stat.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
+	$(AM_V_at)$(MKDIR_P) sys
+	$(AM_V_GEN)rm -f $@-t $@ && \
+	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+	  sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+	      -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+	      -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+	      -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+	      -e 's|@''NEXT_SYS_STAT_H''@|$(NEXT_SYS_STAT_H)|g' \
+	      -e 's|@''WINDOWS_64_BIT_ST_SIZE''@|$(WINDOWS_64_BIT_ST_SIZE)|g' \
+	      -e 's/@''GNULIB_FCHMODAT''@/$(GNULIB_FCHMODAT)/g' \
+	      -e 's/@''GNULIB_FSTAT''@/$(GNULIB_FSTAT)/g' \
+	      -e 's/@''GNULIB_FSTATAT''@/$(GNULIB_FSTATAT)/g' \
+	      -e 's/@''GNULIB_FUTIMENS''@/$(GNULIB_FUTIMENS)/g' \
+	      -e 's/@''GNULIB_LCHMOD''@/$(GNULIB_LCHMOD)/g' \
+	      -e 's/@''GNULIB_LSTAT''@/$(GNULIB_LSTAT)/g' \
+	      -e 's/@''GNULIB_MKDIRAT''@/$(GNULIB_MKDIRAT)/g' \
+	      -e 's/@''GNULIB_MKFIFO''@/$(GNULIB_MKFIFO)/g' \
+	      -e 's/@''GNULIB_MKFIFOAT''@/$(GNULIB_MKFIFOAT)/g' \
+	      -e 's/@''GNULIB_MKNOD''@/$(GNULIB_MKNOD)/g' \
+	      -e 's/@''GNULIB_MKNODAT''@/$(GNULIB_MKNODAT)/g' \
+	      -e 's/@''GNULIB_STAT''@/$(GNULIB_STAT)/g' \
+	      -e 's/@''GNULIB_UTIMENSAT''@/$(GNULIB_UTIMENSAT)/g' \
+	      -e 's|@''HAVE_FCHMODAT''@|$(HAVE_FCHMODAT)|g' \
+	      -e 's|@''HAVE_FSTATAT''@|$(HAVE_FSTATAT)|g' \
+	      -e 's|@''HAVE_FUTIMENS''@|$(HAVE_FUTIMENS)|g' \
+	      -e 's|@''HAVE_LCHMOD''@|$(HAVE_LCHMOD)|g' \
+	      -e 's|@''HAVE_LSTAT''@|$(HAVE_LSTAT)|g' \
+	      -e 's|@''HAVE_MKDIRAT''@|$(HAVE_MKDIRAT)|g' \
+	      -e 's|@''HAVE_MKFIFO''@|$(HAVE_MKFIFO)|g' \
+	      -e 's|@''HAVE_MKFIFOAT''@|$(HAVE_MKFIFOAT)|g' \
+	      -e 's|@''HAVE_MKNOD''@|$(HAVE_MKNOD)|g' \
+	      -e 's|@''HAVE_MKNODAT''@|$(HAVE_MKNODAT)|g' \
+	      -e 's|@''HAVE_UTIMENSAT''@|$(HAVE_UTIMENSAT)|g' \
+	      -e 's|@''REPLACE_FSTAT''@|$(REPLACE_FSTAT)|g' \
+	      -e 's|@''REPLACE_FSTATAT''@|$(REPLACE_FSTATAT)|g' \
+	      -e 's|@''REPLACE_FUTIMENS''@|$(REPLACE_FUTIMENS)|g' \
+	      -e 's|@''REPLACE_LSTAT''@|$(REPLACE_LSTAT)|g' \
+	      -e 's|@''REPLACE_MKDIR''@|$(REPLACE_MKDIR)|g' \
+	      -e 's|@''REPLACE_MKFIFO''@|$(REPLACE_MKFIFO)|g' \
+	      -e 's|@''REPLACE_MKNOD''@|$(REPLACE_MKNOD)|g' \
+	      -e 's|@''REPLACE_STAT''@|$(REPLACE_STAT)|g' \
+	      -e 's|@''REPLACE_UTIMENSAT''@|$(REPLACE_UTIMENSAT)|g' \
+	      -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+	      -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
+	      -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+	      < $(srcdir)/sys_stat.in.h; \
+	} > $@-t && \
+	mv $@-t $@
+MOSTLYCLEANFILES += sys/stat.h sys/stat.h-t
+MOSTLYCLEANDIRS += sys
+
+EXTRA_DIST += sys_stat.in.h
+
+## end   gnulib module sys_stat
+
 ## begin gnulib module sys_time
 
 BUILT_SOURCES += sys/time.h