openssl: sync with upstream repository

Import current master (2c43241dc0ed) of ruby/openssl.git.

Below are the commits that were made since the last batch at commit
b99775b163ce (ruby/openssl.git commit f49e7110ca1e). Note that some of
them have been applied already.

----------------------------------------------------------------
Benoit Daloze (1):
      Remove redundant and ignored workflow file

DBL-Lee (1):
      add support for SHA512_256/SHA512_224

Hiroshi SHIBATA (2):
      Guard for OpenSSL::PKey::EC::Group::Error with unsupported platforms
      Fixed inconsistency directory structure with ruby/ruby repo

Jeremy Evans (2):
      Fix keyword argument separation issues in OpenSSL::SSL::SSLSocket#sys{read,write}_nonblock
      Remove taint support

Kazuki Yamaguchi (26):
      config: support .include directive
      random: make OpenSSL::Random.pseudo_bytes alias of .random_bytes
      extconf.rb: get rid of -Werror=deprecated-declarations
      test/openssl/test_ssl: skip test_fallback_scsv if necessary
      ts: simplify OpenSSL::Timestamp::Request#algorithm
      History.md: add missing references to GitHub issues
      config: deprecate OpenSSL::Config#add_value and #[]=
      test/openssl/test_ssl: remove sleep from test_finished_messages
      test/openssl/test_ssl: fix random failure in SSLSocket.open test
      test/openssl/test_ssl: avoid explicitly-sized private keys
      test/openssl/test_ssl: remove commented-out test case
      test/openssl/test_ssl: allow kRSA tests to fail
      ssl: avoid declarations after statements
      engine: revert OpenSSL::Engine.load changes for cloudhsm
      engine: remove really outdated static engines
      engine: do not check for ENGINE_load_builtin_engines()
      engine: fix guards for 'dynamic' and 'cryptodev' engines
      lib/openssl.rb: require openssl/version.rb
      x509: add error code and verify flags constants
      ssl: set verify error code in the case of verify_hostname failure
      .github/workflows: merge CI jobs into a single workflow
      .github/workflows: test against different OpenSSL versions
      .travis.yml: fully migrate to GitHub Actions
      ssl: suppress test failure with SSLContext#add_certificate_chain_file
      ssl: remove test case test_puts_meta from test_pair
      Revert "Use version.rb in gemspec"

MSP-Greg (2):
      .travis.yml - remove 2.3/1.0.2, 2.5/1.1.1, head/1.0.2
      Use version.rb in gemspec

Samuel Williams (1):
      Restore compatibility with older versions of Ruby.

Yusuke Endoh (1):
      Make OpenSSL::OSSL#test_memcmp_timing robust

4 files changed, 53 insertions, 24 deletions

diff --git a/ext/openssl/lib/openssl.rb b/ext/openssl/lib/openssl.rb
index 7ba2229a1b..00e2db1f40 100644
--- a/ext/openssl/lib/openssl.rb
+++ b/ext/openssl/lib/openssl.rb
@@ -21,6 +21,7 @@ require_relative 'openssl/hmac'
 require_relative 'openssl/x509'
 require_relative 'openssl/ssl'
 require_relative 'openssl/pkcs5'
+require_relative 'openssl/version'
 
 module OpenSSL
   # call-seq:
diff --git a/ext/openssl/lib/openssl/config.rb b/ext/openssl/lib/openssl/config.rb
index ef83c57b20..9a0b787420 100644
--- a/ext/openssl/lib/openssl/config.rb
+++ b/ext/openssl/lib/openssl/config.rb
@@ -37,7 +37,7 @@ module OpenSSL
       def parse(string)
         c = new()
         parse_config(StringIO.new(string)).each do |section, hash|
-          c[section] = hash
+          c.set_section(section, hash)
         end
         c
       end
@@ -76,29 +76,44 @@ module OpenSSL
       def parse_config_lines(io)
         section = 'default'
         data = {section => {}}
-        while definition = get_definition(io)
+        io_stack = [io]
+        while definition = get_definition(io_stack)
           definition = clear_comments(definition)
           next if definition.empty?
-          if definition[0] == ?[
+          case definition
+          when /\A\[/
             if /\[([^\]]*)\]/ =~ definition
               section = $1.strip
               data[section] ||= {}
             else
               raise ConfigError, "missing close square bracket"
             end
-          else
-            if /\A([^:\s]*)(?:::([^:\s]*))?\s*=(.*)\z/ =~ definition
-              if $2
-                section = $1
-                key = $2
-              else
-                key = $1
+          when /\A\.include (\s*=\s*)?(.+)\z/
+            path = $2
+            if File.directory?(path)
+              files = Dir.glob(File.join(path, "*.{cnf,conf}"), File::FNM_EXTGLOB)
+            else
+              files = [path]
+            end
+
+            files.each do |filename|
+              begin
+                io_stack << StringIO.new(File.read(filename))
+              rescue
+                raise ConfigError, "could not include file '%s'" % filename
               end
-              value = unescape_value(data, section, $3)
-              (data[section] ||= {})[key] = value.strip
+            end
+          when /\A([^:\s]*)(?:::([^:\s]*))?\s*=(.*)\z/
+            if $2
+              section = $1
+              key = $2
             else
-              raise ConfigError, "missing equal sign"
+              key = $1
             end
+            value = unescape_value(data, section, $3)
+            (data[section] ||= {})[key] = value.strip
+          else
+            raise ConfigError, "missing equal sign"
           end
         end
         data
@@ -211,10 +226,10 @@ module OpenSSL
         scanned.join
       end
 
-      def get_definition(io)
-        if line = get_line(io)
+      def get_definition(io_stack)
+        if line = get_line(io_stack)
           while /[^\\]\\\z/ =~ line
-            if extra = get_line(io)
+            if extra = get_line(io_stack)
               line += extra
             else
               break
@@ -224,9 +239,12 @@ module OpenSSL
         end
       end
 
-      def get_line(io)
-        if line = io.gets
-          line.gsub(/[\r\n]*/, '')
+      def get_line(io_stack)
+        while io = io_stack.last
+          if line = io.gets
+            return line.gsub(/[\r\n]*/, '')
+          end
+          io_stack.pop
         end
       end
     end
@@ -248,7 +266,7 @@ module OpenSSL
       if filename
         File.open(filename.to_s) do |file|
           Config.parse_config(file).each do |section, hash|
-            self[section] = hash
+            set_section(section, hash)
           end
         end
       end
@@ -297,6 +315,8 @@ module OpenSSL
     end
 
     ##
+    # *Deprecated in v2.2.0*. This method will be removed in a future release.
+    #
     # Set the target _key_ with a given _value_ under a specific _section_.
     #
     # Given the following configurating file being loaded:
@@ -351,6 +371,8 @@ module OpenSSL
     end
 
     ##
+    # *Deprecated in v2.2.0*. This method will be removed in a future release.
+    #
     # Sets a specific _section_ name with a Hash _pairs_.
     #
     # Given the following configuration being created:
@@ -376,9 +398,13 @@ module OpenSSL
     #
     def []=(section, pairs)
       check_modify
-      @data[section] ||= {}
+      set_section(section, pairs)
+    end
+
+    def set_section(section, pairs) # :nodoc:
+      hash = @data[section] ||= {}
       pairs.each do |key, value|
-        self.add_value(section, key, value)
+        hash[key] = value
       end
     end
 
@@ -463,6 +489,8 @@ module OpenSSL
     end
 
     def check_modify
+      warn "#{caller(2, 1)[0]}: warning: do not modify OpenSSL::Config; this " \
+        "method is deprecated and will be removed in a future release."
       raise TypeError.new("Insecure: can't modify OpenSSL config") if frozen?
     end
 
diff --git a/ext/openssl/lib/openssl/digest.rb b/ext/openssl/lib/openssl/digest.rb
index c953911954..92d358d241 100644
--- a/ext/openssl/lib/openssl/digest.rb
+++ b/ext/openssl/lib/openssl/digest.rb
@@ -21,7 +21,7 @@ module OpenSSL
     ALGORITHMS = %w(MD4 MD5 RIPEMD160 SHA1 SHA224 SHA256 SHA384 SHA512)
 
     if !OPENSSL_VERSION.include?("LibreSSL") && OPENSSL_VERSION_NUMBER > 0x10101000
-      ALGORITHMS.concat %w(BLAKE2b512 BLAKE2s256 SHA3-224 SHA3-256 SHA3-384 SHA3-512)
+      ALGORITHMS.concat %w(BLAKE2b512 BLAKE2s256 SHA3-224 SHA3-256 SHA3-384 SHA3-512 SHA512-224 SHA512-256)
     end
 
     ALGORITHMS.freeze
diff --git a/ext/openssl/lib/openssl/version.rb b/ext/openssl/lib/openssl/version.rb
index b07bb33009..9c7515ba0f 100644
--- a/ext/openssl/lib/openssl/version.rb
+++ b/ext/openssl/lib/openssl/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module OpenSSL
-  VERSION = "2.2.0" unless defined?(VERSION)
+  VERSION = "2.2.0"
 end