Fix CGI causing issue with leading '.' in domain names.

The original issue broke rubygem-actionpack:

https://github.com/rails/rails/issues/46578
https://github.com/rails/rails/pull/46595

rubygem-rack:

https://github.com/rack/rack/pull/1988

And rack-test (where I have not checked details).

ruby-3.2.0-ruby-cgi-Fix-test_cgi_cookie_new_with_domain-to-pass.patch

@@ -0,0 +1,38 @@
+From 656f25987cf2885104d5b13c8d3f5b7d32f1b333 Mon Sep 17 00:00:00 2001
+From: Jean Boussier <jean.boussier@gmail.com>
+Date: Wed, 23 Nov 2022 12:10:36 +0100
+Subject: [PATCH] [ruby/cgi] Fix test_cgi_cookie_new_with_domain to pass on
+ older rubies
+
+https://github.com/ruby/cgi/commit/05f0c58048
+---
+ test/cgi/test_cgi_cookie.rb | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/test/cgi/test_cgi_cookie.rb b/test/cgi/test_cgi_cookie.rb
+index e3ec4bea5286..6d31932d321a 100644
+--- a/test/cgi/test_cgi_cookie.rb
++++ b/test/cgi/test_cgi_cookie.rb
+@@ -62,18 +62,18 @@ def test_cgi_cookie_new_complex
+ 
+   def test_cgi_cookie_new_with_domain
+     h = {'name'=>'name1', 'value'=>'value1'}
+-    cookie = CGI::Cookie.new('domain'=>'a.example.com', **h)
++    cookie = CGI::Cookie.new(h.merge('domain'=>'a.example.com'))
+     assert_equal('a.example.com', cookie.domain)
+ 
+-    cookie = CGI::Cookie.new('domain'=>'1.example.com', **h)
++    cookie = CGI::Cookie.new(h.merge('domain'=>'1.example.com'))
+     assert_equal('1.example.com', cookie.domain, 'enhanced by RFC 1123')
+ 
+     assert_raise(ArgumentError) {
+-      CGI::Cookie.new('domain'=>'-a.example.com', **h)
++      CGI::Cookie.new(h.merge('domain'=>'-a.example.com'))
+     }
+ 
+     assert_raise(ArgumentError) {
+-      CGI::Cookie.new('domain'=>'a-.example.com', **h)
++      CGI::Cookie.new(h.merge('domain'=>'a-.example.com'))
+     }
+   end
+ 

ruby-3.2.0-ruby-cgi-Loosen-the-domain-regex-to-accept.patch

@@ -0,0 +1,44 @@
+From 745dcf5326ea2c8e2047a3bddeb0fbb7e7d07649 Mon Sep 17 00:00:00 2001
+From: Xenor Chang <tubaxenor@gmail.com>
+Date: Mon, 28 Nov 2022 12:34:06 +0800
+Subject: [PATCH] [ruby/cgi] Loosen the domain regex to accept '.'
+ (https://github.com/ruby/cgi/pull/29)
+
+* Loosen the domain regex to accept '.'
+
+Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
+
+https://github.com/ruby/cgi/commit/5e09d632f3
+Co-authored-by: Hiroshi SHIBATA <hsbt@ruby-lang.org>
+---
+ lib/cgi/cookie.rb           | 2 +-
+ test/cgi/test_cgi_cookie.rb | 3 +++
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/lib/cgi/cookie.rb b/lib/cgi/cookie.rb
+index 1a9c1a82c123..9498e2f9faf9 100644
+--- a/lib/cgi/cookie.rb
++++ b/lib/cgi/cookie.rb
+@@ -42,7 +42,7 @@ class Cookie < Array
+ 
+     TOKEN_RE = %r"\A[[!-~]&&[^()<>@,;:\\\"/?=\[\]{}]]+\z"
+     PATH_VALUE_RE = %r"\A[[ -~]&&[^;]]*\z"
+-    DOMAIN_VALUE_RE = %r"\A(?<label>(?!-)[-A-Za-z0-9]+(?<!-))(?:\.\g<label>)*\z"
++    DOMAIN_VALUE_RE = %r"\A\.?(?<label>(?!-)[-A-Za-z0-9]+(?<!-))(?:\.\g<label>)*\z"
+ 
+     # Create a new CGI::Cookie object.
+     #
+diff --git a/test/cgi/test_cgi_cookie.rb b/test/cgi/test_cgi_cookie.rb
+index 6d31932d321a..eadae4531365 100644
+--- a/test/cgi/test_cgi_cookie.rb
++++ b/test/cgi/test_cgi_cookie.rb
+@@ -65,6 +65,9 @@ def test_cgi_cookie_new_with_domain
+     cookie = CGI::Cookie.new(h.merge('domain'=>'a.example.com'))
+     assert_equal('a.example.com', cookie.domain)
+ 
++    cookie = CGI::Cookie.new(h.merge('domain'=>'.example.com'))
++    assert_equal('.example.com', cookie.domain)
++
+     cookie = CGI::Cookie.new(h.merge('domain'=>'1.example.com'))
+     assert_equal('1.example.com', cookie.domain, 'enhanced by RFC 1123')
+ 

ruby.spec

@@ -190,6 +190,13 @@ Patch27: ruby-irb-1.4.1-drop-rdoc-hard-dep.patch
 # Set soft dependency on RDoc in input-method.rb in IRB.
 # https://github.com/ruby/irb/pull/395
 Patch28: ruby-irb-1.4.1-set-rdoc-soft-dep.patch
+# CGI is now too restrictive about leading '.' in domain, leading to failures
+# in Rack, rack-test or ActionPack.
+# https://github.com/ruby/ruby/commit/656f25987cf2885104d5b13c8d3f5b7d32f1b333
+Patch29: ruby-3.2.0-ruby-cgi-Fix-test_cgi_cookie_new_with_domain-to-pass.patch
+# https://github.com/ruby/cgi/pull/29
+# https://github.com/ruby/ruby/commit/745dcf5326ea2c8e2047a3bddeb0fbb7e7d07649
+Patch30: ruby-3.2.0-ruby-cgi-Loosen-the-domain-regex-to-accept.patch
 
 Requires: %{name}-libs%{?_isa} = %{version}-%{release}
 Suggests: rubypick
@@ -661,6 +668,8 @@ rm -rf ext/fiddle/libffi*
 %patch24 -p1
 %patch27 -p1
 %patch28 -p1
+%patch29 -p1
+%patch30 -p1
 
 # Provide an example of usage of the tapset:
 cp -a %{SOURCE3} .
@@ -1540,6 +1549,7 @@ mv test/ruby/test_jit.rb{,.disable} || :
 %changelog
 * Thu Dec 08 2022 Vít Ondruch <vondruch@redhat.com> - 3.1.3-173
 - Disable MJIT test cases on i686 due to issues with PCH.
+- Fix CGI causing issue with leading '.' in domain names.
 
 * Thu Nov 24 2022 Vít Ondruch <vondruch@redhat.com> - 3.1.3-172
 - Upgrade to Ruby 3.1.3.