diff --git a/basic_test.rb b/basic_test.rb
new file mode 100644
index 0000000000000000000000000000000000000000..34cc580763cfc249fc0de1395d31116e0c3cc2f8
--- /dev/null
+++ b/basic_test.rb
@@ -0,0 +1,59 @@
+require 'test/unit'
+require 'rubygems'
+require 'shadow'
+require 'stringio'
+class RubyShadowTest < Test::Unit::TestCase
+  STRUCT_METHODS = %w( sp_namp sp_pwdp sp_lstchg sp_min sp_max sp_warn sp_inact sp_expire sp_loginclass )
+  # --------------------------------------------------- test_smoke_test_getspent
+  def test_smoke_test_getspent
+    x = Shadow::Passwd.getspent
+    assert( x, "ensure you have permissions to check this (sudo?)" )
+    check_struct( x )
+  end
+  # ----------------------------------------------------- test_getspnam_for_user
+  def test_getspnam_for_user
+    user = `whoami`.strip
+    x = Shadow::Passwd.getspnam( user )
+    assert( x, "ensure you have permissions to check this (sudo?)" )
+    check_struct( x )
+  end
+  # ---------------------------------------- test_getspnam_for_non_existent_user
+  def test_getspnam_for_non_existent_user
+    assert_nil( Shadow::Passwd.getspnam( 'somebadusername' ) )
+  end
+  # -------------------------------------------------------------- test_putspent
+  def test_putspent
+    omit_if( Shadow::IMPLEMENTATION != 'SHADOW' ) if respond_to?( :omit_if )
+    #result = StringIO.open( '', 'w' ) do |fh|
+    File.open( 'test_password', 'w' ) do |fh|
+      Shadow::Passwd.add_password_entry( sample_entry, fh )
+    end
+    assert( File.read( 'test_password' ).match( sample_entry.first ) )
+  end
+  # --------------------------------------------------------------- check_struct
+  def check_struct( s )
+    STRUCT_METHODS.each do |m|
+      s.send( m )
+    end
+  end
+  # ----------------------------------------------------------------- test_entry
+  def sample_entry( &block )
+    return ['test_user', # sp_namp
+            'new_pass', # sp_pwdp
+            0, #sp_lastchg
+            0, #sp_min
+            0, #sp_max
+            0, #sp_warn
+            0, #sp_inact
+            0, #????
+            0, #sp_expire
+            0  # sp_flag
+            ]
+    e = Shadow::Passwd::Entry.new
+    e.sp_namp = 'test_user'
+    e.sp_pwdp = 'password'
+    yield e if block_given?
+    return e
+  end
+end
+
diff --git a/ruby-shadow-2.5.0-cflags.patch b/ruby-shadow-2.5.0-cflags.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7f74b84201ab56645ca9321bbfdee59d27f0f7b5
--- /dev/null
+++ b/ruby-shadow-2.5.0-cflags.patch
@@ -0,0 +1,16 @@
+--- extconf.rb~	2017-10-05 20:21:59.480315863 +0200
++++ extconf.rb	2017-10-05 20:23:55.077931560 +0200
+@@ -6,12 +6,7 @@
+ 
+ require 'mkmf'
+ require 'rbconfig'
+-
+-$CFLAGS = case RUBY_VERSION
+-          when /^1\.9/; '-DRUBY19'
+-          when /^2\./; '-DRUBY19'
+-          else; ''
+-          end
++$CFLAGS = "#{$CFLAGS} -DRUBY19"
+ 
+ implementation = case CONFIG['host_os']
+                  when /linux/i; 'shadow'
diff --git a/ruby-shadow-2.5.0.gem b/ruby-shadow-2.5.0.gem
new file mode 100644
index 0000000000000000000000000000000000000000..9ec761df5ad428b645487ebf5cd0768d16c7b2b8
Binary files /dev/null and b/ruby-shadow-2.5.0.gem differ
diff --git a/rubygem-ruby-shadow.spec b/rubygem-ruby-shadow.spec
new file mode 100644
index 0000000000000000000000000000000000000000..e768354425bd00ab9d8ad17d0ba406302e59a7bf
--- /dev/null
+++ b/rubygem-ruby-shadow.spec
@@ -0,0 +1,74 @@
+%global         gem_name ruby-shadow
+Name:                rubygem-%{gem_name}
+Version:             2.5.0
+Release:             1
+Summary:             Ruby shadow password module
+License:             Public Domain
+URL:                 https://github.com/apalmblad/ruby-shadow
+Source0:             http://rubygems.org/gems/%{gem_name}-%{version}.gem
+Source1:             https://raw.githubusercontent.com/apalmblad/ruby-shadow/master/test/basic_test.rb
+Patch0:              ruby-shadow-2.5.0-cflags.patch
+BuildRequires:       gcc ruby(release) rubygems-devel ruby-devel rubygem(minitest)
+BuildRequires:       rubygem(test-unit)
+Obsoletes:           ruby-shadow < 1.4.1-36
+Provides:            ruby-shadow = %{version}-%{release}
+Provides:            ruby(shadow) = %{version}
+%description
+This module provides access to shadow passwords on Linux and Solaris.
+
+%package        doc
+Summary:             Documentation for %{name}
+Requires:            %{name} = %{version}-%{release}
+BuildArch:           noarch
+%description    doc
+Documentation for %{name}.
+
+%prep
+gem unpack %{SOURCE0}
+%setup -q -D -T -n  %{gem_name}-%{version}
+gem spec %{SOURCE0} -l --ruby > %{gem_name}.gemspec
+%patch0 -p0
+cp %{SOURCE1} .
+
+%build
+export CONFIGURE_ARGS="--with-cflags='%{optflags}'"
+gem build %{gem_name}.gemspec
+%gem_install
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* %{buildroot}%{gem_dir}/
+find %{buildroot}%{gem_dir}/ -name \*.so -delete
+mkdir -p %{buildroot}%{gem_extdir_mri}
+cp -a .%{gem_extdir_mri}/{gem.build_complete,*.so} %{buildroot}%{gem_extdir_mri}/
+rm -rf %{buildroot}%{gem_instdir}/ext/
+
+%check
+cp %{SOURCE1} .%{gem_instdir}
+pushd .%{gem_instdir}
+if [ $(id -u) = 0 ]; then
+    ruby -I. -e 'Dir.glob "*_test.rb", &method(:require)'
+else
+    ruby -I. -e 'Dir.glob "*_test.rb", &method(:require)' || :
+fi
+popd
+
+%files
+%dir %{gem_instdir}
+%{gem_extdir_mri}
+%{gem_instdir}/%{gem_name}.gemspec
+%exclude %{gem_instdir}/.*
+%license %{gem_instdir}/LICENSE
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%exclude %{gem_instdir}/*
+%doc %{gem_instdir}/HISTORY
+%doc %{gem_instdir}/README
+%doc %{gem_instdir}/README.euc
+
+%changelog
+* Tue Jul 28 2020 shaoqiang kang <kangshaoqiang1@huawei.com> - 2.5.0-1
+- Package init
diff --git a/rubygem-ruby-shadow.yaml b/rubygem-ruby-shadow.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..83b2876a6270ca0b9a0369a70773651ba305cb22
--- /dev/null
+++ b/rubygem-ruby-shadow.yaml
@@ -0,0 +1,5 @@
+git_url: https://github.com/apalmblad/ruby-shadow
+version_control: github
+src_repo: apalmblad/ruby-shadow
+tag_prefix: "^"
+seperator: "."