diff options
author | Hiroshi SHIBATA <hsbt@ruby-lang.org> | 2022-11-22 13:48:18 +0900 |
---|---|---|
committer | usa <usa@garbagecollect.jp> | 2022-11-24 11:20:51 +0900 |
commit | 7cf697179dab52b0d024543304f4d3ab5fa5e847 (patch) | |
tree | 843de9f1696a35d42f6702e973de971dd35881fc | |
parent | 7b413c1db3e65909c6899e1d3be4d16c3e76149c (diff) |
Merge CGI-0.1.0.2
-rw-r--r-- | lib/cgi/cookie.rb | 44 | ||||
-rw-r--r-- | lib/cgi/core.rb | 45 | ||||
-rw-r--r-- | lib/cgi/version.rb | 2 | ||||
-rw-r--r-- | test/cgi/test_cgi_cookie.rb | 82 | ||||
-rw-r--r-- | test/cgi/test_cgi_header.rb | 8 |
5 files changed, 155 insertions, 26 deletions
diff --git a/lib/cgi/cookie.rb b/lib/cgi/cookie.rb index 6b0d89ca3b..1a9c1a82c1 100644 --- a/lib/cgi/cookie.rb +++ b/lib/cgi/cookie.rb @@ -40,6 +40,10 @@ class CGI class Cookie < Array @@accept_charset="UTF-8" unless defined?(@@accept_charset) + TOKEN_RE = %r"\A[[!-~]&&[^()<>@,;:\\\"/?=\[\]{}]]+\z" + PATH_VALUE_RE = %r"\A[[ -~]&&[^;]]*\z" + DOMAIN_VALUE_RE = %r"\A(?<label>(?!-)[-A-Za-z0-9]+(?<!-))(?:\.\g<label>)*\z" + # Create a new CGI::Cookie object. # # :call-seq: @@ -72,8 +76,8 @@ class CGI @domain = nil @expires = nil if name.kind_of?(String) - @name = name - @path = (%r|\A(.*/)| =~ ENV["SCRIPT_NAME"] ? $1 : "") + self.name = name + self.path = (%r|\A(.*/)| =~ ENV["SCRIPT_NAME"] ? $1 : "") @secure = false @httponly = false return super(value) @@ -84,11 +88,11 @@ class CGI raise ArgumentError, "`name' required" end - @name = options["name"] + self.name = options["name"] value = Array(options["value"]) # simple support for IE - @path = options["path"] || (%r|\A(.*/)| =~ ENV["SCRIPT_NAME"] ? $1 : "") - @domain = options["domain"] + self.path = options["path"] || (%r|\A(.*/)| =~ ENV["SCRIPT_NAME"] ? $1 : "") + self.domain = options["domain"] @expires = options["expires"] @secure = options["secure"] == true @httponly = options["httponly"] == true @@ -97,11 +101,35 @@ class CGI end # Name of this cookie, as a +String+ - attr_accessor :name + attr_reader :name + # Set name of this cookie + def name=(str) + if str and !TOKEN_RE.match?(str) + raise ArgumentError, "invalid name: #{str.dump}" + end + @name = str + end + # Path for which this cookie applies, as a +String+ - attr_accessor :path + attr_reader :path + # Set path for which this cookie applies + def path=(str) + if str and !PATH_VALUE_RE.match?(str) + raise ArgumentError, "invalid path: #{str.dump}" + end + @path = str + end + # Domain for which this cookie applies, as a +String+ - attr_accessor :domain + attr_reader :domain + # Set domain for which this cookie applies + def domain=(str) + if str and ((str = str.b).bytesize > 255 or !DOMAIN_VALUE_RE.match?(str)) + raise ArgumentError, "invalid domain: #{str.dump}" + end + @domain = str + end + # Time at which this cookie expires, as a +Time+ attr_accessor :expires # True if this cookie is secure; false otherwise diff --git a/lib/cgi/core.rb b/lib/cgi/core.rb index bec76e0749..62e606837a 100644 --- a/lib/cgi/core.rb +++ b/lib/cgi/core.rb @@ -188,17 +188,28 @@ class CGI # Using #header with the HTML5 tag maker will create a <header> element. alias :header :http_header + def _no_crlf_check(str) + if str + str = str.to_s + raise "A HTTP status or header field must not include CR and LF" if str =~ /[\r\n]/ + str + else + nil + end + end + private :_no_crlf_check + def _header_for_string(content_type) #:nodoc: buf = ''.dup if nph?() - buf << "#{$CGI_ENV['SERVER_PROTOCOL'] || 'HTTP/1.0'} 200 OK#{EOL}" + buf << "#{_no_crlf_check($CGI_ENV['SERVER_PROTOCOL']) || 'HTTP/1.0'} 200 OK#{EOL}" buf << "Date: #{CGI.rfc1123_date(Time.now)}#{EOL}" - buf << "Server: #{$CGI_ENV['SERVER_SOFTWARE']}#{EOL}" + buf << "Server: #{_no_crlf_check($CGI_ENV['SERVER_SOFTWARE'])}#{EOL}" buf << "Connection: close#{EOL}" end - buf << "Content-Type: #{content_type}#{EOL}" + buf << "Content-Type: #{_no_crlf_check(content_type)}#{EOL}" if @output_cookies - @output_cookies.each {|cookie| buf << "Set-Cookie: #{cookie}#{EOL}" } + @output_cookies.each {|cookie| buf << "Set-Cookie: #{_no_crlf_check(cookie)}#{EOL}" } end return buf end # _header_for_string @@ -213,9 +224,9 @@ class CGI ## NPH options.delete('nph') if defined?(MOD_RUBY) if options.delete('nph') || nph?() - protocol = $CGI_ENV['SERVER_PROTOCOL'] || 'HTTP/1.0' + protocol = _no_crlf_check($CGI_ENV['SERVER_PROTOCOL']) || 'HTTP/1.0' status = options.delete('status') - status = HTTP_STATUS[status] || status || '200 OK' + status = HTTP_STATUS[status] || _no_crlf_check(status) || '200 OK' buf << "#{protocol} #{status}#{EOL}" buf << "Date: #{CGI.rfc1123_date(Time.now)}#{EOL}" options['server'] ||= $CGI_ENV['SERVER_SOFTWARE'] || '' @@ -223,38 +234,38 @@ class CGI end ## common headers status = options.delete('status') - buf << "Status: #{HTTP_STATUS[status] || status}#{EOL}" if status + buf << "Status: #{HTTP_STATUS[status] || _no_crlf_check(status)}#{EOL}" if status server = options.delete('server') - buf << "Server: #{server}#{EOL}" if server + buf << "Server: #{_no_crlf_check(server)}#{EOL}" if server connection = options.delete('connection') - buf << "Connection: #{connection}#{EOL}" if connection + buf << "Connection: #{_no_crlf_check(connection)}#{EOL}" if connection type = options.delete('type') - buf << "Content-Type: #{type}#{EOL}" #if type + buf << "Content-Type: #{_no_crlf_check(type)}#{EOL}" #if type length = options.delete('length') - buf << "Content-Length: #{length}#{EOL}" if length + buf << "Content-Length: #{_no_crlf_check(length)}#{EOL}" if length language = options.delete('language') - buf << "Content-Language: #{language}#{EOL}" if language + buf << "Content-Language: #{_no_crlf_check(language)}#{EOL}" if language expires = options.delete('expires') buf << "Expires: #{CGI.rfc1123_date(expires)}#{EOL}" if expires ## cookie if cookie = options.delete('cookie') case cookie when String, Cookie - buf << "Set-Cookie: #{cookie}#{EOL}" + buf << "Set-Cookie: #{_no_crlf_check(cookie)}#{EOL}" when Array arr = cookie - arr.each {|c| buf << "Set-Cookie: #{c}#{EOL}" } + arr.each {|c| buf << "Set-Cookie: #{_no_crlf_check(c)}#{EOL}" } when Hash hash = cookie - hash.each_value {|c| buf << "Set-Cookie: #{c}#{EOL}" } + hash.each_value {|c| buf << "Set-Cookie: #{_no_crlf_check(c)}#{EOL}" } end end if @output_cookies - @output_cookies.each {|c| buf << "Set-Cookie: #{c}#{EOL}" } + @output_cookies.each {|c| buf << "Set-Cookie: #{_no_crlf_check(c)}#{EOL}" } end ## other headers options.each do |key, value| - buf << "#{key}: #{value}#{EOL}" + buf << "#{_no_crlf_check(key)}: #{_no_crlf_check(value)}#{EOL}" end return buf end # _header_for_hash diff --git a/lib/cgi/version.rb b/lib/cgi/version.rb index e145a762c6..ee0c748069 100644 --- a/lib/cgi/version.rb +++ b/lib/cgi/version.rb @@ -1,3 +1,3 @@ class CGI - VERSION = "0.1.0.1" + VERSION = "0.1.0.2" end diff --git a/test/cgi/test_cgi_cookie.rb b/test/cgi/test_cgi_cookie.rb index 985cc0d7a1..e3ec4bea52 100644 --- a/test/cgi/test_cgi_cookie.rb +++ b/test/cgi/test_cgi_cookie.rb @@ -60,6 +60,24 @@ class CGICookieTest < Test::Unit::TestCase end + def test_cgi_cookie_new_with_domain + h = {'name'=>'name1', 'value'=>'value1'} + cookie = CGI::Cookie.new('domain'=>'a.example.com', **h) + assert_equal('a.example.com', cookie.domain) + + cookie = CGI::Cookie.new('domain'=>'1.example.com', **h) + assert_equal('1.example.com', cookie.domain, 'enhanced by RFC 1123') + + assert_raise(ArgumentError) { + CGI::Cookie.new('domain'=>'-a.example.com', **h) + } + + assert_raise(ArgumentError) { + CGI::Cookie.new('domain'=>'a-.example.com', **h) + } + end + + def test_cgi_cookie_scriptname cookie = CGI::Cookie.new('name1', 'value1') assert_equal('', cookie.path) @@ -118,6 +136,70 @@ class CGICookieTest < Test::Unit::TestCase end + def test_cgi_cookie_domain_injection_into_name + name = "a=b; domain=example.com;" + path = "/" + domain = "example.jp" + assert_raise(ArgumentError) do + CGI::Cookie.new('name' => name, + 'value' => "value", + 'domain' => domain, + 'path' => path) + end + end + + + def test_cgi_cookie_newline_injection_into_name + name = "a=b;\r\nLocation: http://example.com#" + path = "/" + domain = "example.jp" + assert_raise(ArgumentError) do + CGI::Cookie.new('name' => name, + 'value' => "value", + 'domain' => domain, + 'path' => path) + end + end + + + def test_cgi_cookie_multibyte_injection_into_name + name = "a=b;\u3042" + path = "/" + domain = "example.jp" + assert_raise(ArgumentError) do + CGI::Cookie.new('name' => name, + 'value' => "value", + 'domain' => domain, + 'path' => path) + end + end + + + def test_cgi_cookie_injection_into_path + name = "name" + path = "/; samesite=none" + domain = "example.jp" + assert_raise(ArgumentError) do + CGI::Cookie.new('name' => name, + 'value' => "value", + 'domain' => domain, + 'path' => path) + end + end + + + def test_cgi_cookie_injection_into_domain + name = "name" + path = "/" + domain = "example.jp; samesite=none" + assert_raise(ArgumentError) do + CGI::Cookie.new('name' => name, + 'value' => "value", + 'domain' => domain, + 'path' => path) + end + end + instance_methods.each do |method| private method if method =~ /^test_(.*)/ && $1 != ENV['TEST'] diff --git a/test/cgi/test_cgi_header.rb b/test/cgi/test_cgi_header.rb index bab2d0348a..ec2f4deb72 100644 --- a/test/cgi/test_cgi_header.rb +++ b/test/cgi/test_cgi_header.rb @@ -176,6 +176,14 @@ class CGIHeaderTest < Test::Unit::TestCase end + def test_cgi_http_header_crlf_injection + cgi = CGI.new + assert_raise(RuntimeError) { cgi.http_header("text/xhtml\r\nBOO") } + assert_raise(RuntimeError) { cgi.http_header("type" => "text/xhtml\r\nBOO") } + assert_raise(RuntimeError) { cgi.http_header("status" => "200 OK\r\nBOO") } + assert_raise(RuntimeError) { cgi.http_header("location" => "text/xhtml\r\nBOO") } + end + instance_methods.each do |method| private method if method =~ /^test_(.*)/ && $1 != ENV['TEST'] |