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|
<!DOCTYPE html>
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<title>class OpenSSL::Config - RDoc Documentation</title>
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<!-- Method Quickref -->
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<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-c-parse">::parse</a>
<li ><a href="#method-c-parse_config">::parse_config</a>
<li ><a href="#method-i-5B-5D">#[]</a>
<li ><a href="#method-i-5B-5D-3D">#[]=</a>
<li ><a href="#method-i-add_value">#add_value</a>
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<main role="main" aria-labelledby="class-OpenSSL::Config">
<h1 id="class-OpenSSL::Config" class="class">
class OpenSSL::Config
</h1>
<section class="description">
<h1 id="class-OpenSSL::Config-label-OpenSSL-3A-3AConfig"><a href="Config.html"><code>OpenSSL::Config</code></a><span><a href="#class-OpenSSL::Config-label-OpenSSL-3A-3AConfig">¶</a> <a href="#top">↑</a></span></h1>
<p>Configuration for the openssl library.</p>
<p>Many system’s installation of openssl library will depend on your system configuration. See the value of <a href="Config.html#DEFAULT_CONFIG_FILE"><code>OpenSSL::Config::DEFAULT_CONFIG_FILE</code></a> for the location of the file for your host.</p>
<p>See also <a href="http://www.openssl.org/docs/apps/config.html">www.openssl.org/docs/apps/config.html</a></p>
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="constants-list">
<header>
<h3>Constants</h3>
</header>
<dl>
<dt id="DEFAULT_CONFIG_FILE">DEFAULT_CONFIG_FILE
<dd><p>The default system configuration file for openssl</p>
<dt id="ESCAPE_MAP">ESCAPE_MAP
<dd><p>escaped char map</p>
<dt id="QUOTE_REGEXP_DQ">QUOTE_REGEXP_DQ
<dd><p>escape with backslash and doubled dq</p>
<dt id="QUOTE_REGEXP_SQ">QUOTE_REGEXP_SQ
<dd><p>escape with backslash</p>
</dl>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(filename = nil)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Creates an instance of OpenSSL’s configuration class.</p>
<p>This can be used in contexts like <a href="X509/ExtensionFactory.html#attribute-i-config"><code>OpenSSL::X509::ExtensionFactory.config=</code></a></p>
<p>If the optional <em>filename</em> parameter is provided, then it is read in and parsed via parse_config.</p>
<p>This can raise <a href="../IO.html"><code>IO</code></a> exceptions based on the access, or availability of the file. A <a href="ConfigError.html"><code>ConfigError</code></a> exception may be raised depending on the validity of the data being configured.</p>
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 264</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">filename</span> = <span class="ruby-keyword">nil</span>)
<span class="ruby-ivar">@data</span> = {}
<span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span>
<span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">filename</span>.<span class="ruby-identifier">to_s</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">file</span><span class="ruby-operator">|</span>
<span class="ruby-constant">Config</span>.<span class="ruby-identifier">parse_config</span>(<span class="ruby-identifier">file</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">section</span>, <span class="ruby-identifier">hash</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">set_section</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">hash</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-c-parse" class="method-detail ">
<div class="method-heading">
<span class="method-name">parse</span><span
class="method-args">(string)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Parses a given <em>string</em> as a blob that contains configuration for <a href="../OpenSSL.html"><code>OpenSSL</code></a>.</p>
<p>If the source of the <a href="../IO.html"><code>IO</code></a> is a file, then consider using parse_config.</p>
<div class="method-source-code" id="parse-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 37</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">parse</span>(<span class="ruby-identifier">string</span>)
<span class="ruby-identifier">c</span> = <span class="ruby-identifier">new</span>()
<span class="ruby-identifier">parse_config</span>(<span class="ruby-constant">StringIO</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">string</span>)).<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">section</span>, <span class="ruby-identifier">hash</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">c</span>.<span class="ruby-identifier">set_section</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">hash</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">c</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-c-parse_config" class="method-detail ">
<div class="method-heading">
<span class="method-name">parse_config</span><span
class="method-args">(io)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Parses the configuration data read from <em>io</em>, see also parse.</p>
<p>Raises a <a href="ConfigError.html"><code>ConfigError</code></a> on invalid configuration data.</p>
<div class="method-source-code" id="parse_config-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 53</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">parse_config</span>(<span class="ruby-identifier">io</span>)
<span class="ruby-keyword">begin</span>
<span class="ruby-identifier">parse_config_lines</span>(<span class="ruby-identifier">io</span>)
<span class="ruby-keyword">rescue</span> <span class="ruby-operator">=></span> <span class="ruby-identifier">error</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ConfigError</span>, <span class="ruby-node">"error in line #{io.lineno}: "</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">error</span>.<span class="ruby-identifier">message</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-5B-5D" class="method-detail ">
<div class="method-heading">
<span class="method-name">[]</span><span
class="method-args">(section)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Get a specific <em>section</em> from the current configuration</p>
<p>Given the following configurating file being loaded:</p>
<pre class="ruby"><span class="ruby-identifier">config</span> = <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">Config</span>.<span class="ruby-identifier">load</span>(<span class="ruby-string">'foo.cnf'</span>)
<span class="ruby-comment">#=> #<OpenSSL::Config sections=["default"]></span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-comment"># foo=bar</span>
</pre>
<p>You can get a hash of the specific section like so:</p>
<pre class="ruby"><span class="ruby-identifier">config</span>[<span class="ruby-string">'default'</span>]
<span class="ruby-comment">#=> {"foo"=>"bar"}</span>
</pre>
<div class="method-source-code" id="5B-5D-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 360</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">[]</span>(<span class="ruby-identifier">section</span>)
<span class="ruby-ivar">@data</span>[<span class="ruby-identifier">section</span>] <span class="ruby-operator">||</span> {}
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-5B-5D-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">[]=</span><span
class="method-args">(section, pairs)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>*Deprecated in v2.2.0*. This method will be removed in a future release.</p>
<p>Sets a specific <em>section</em> name with a Hash <em>pairs</em>.</p>
<p>Given the following configuration being created:</p>
<pre class="ruby"><span class="ruby-identifier">config</span> = <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">Config</span>.<span class="ruby-identifier">new</span>
<span class="ruby-comment">#=> #<OpenSSL::Config sections=[]></span>
<span class="ruby-identifier">config</span>[<span class="ruby-string">'default'</span>] = {<span class="ruby-string">"foo"</span><span class="ruby-operator">=></span><span class="ruby-string">"bar"</span>,<span class="ruby-string">"baz"</span><span class="ruby-operator">=></span><span class="ruby-string">"buz"</span>}
<span class="ruby-comment">#=> {"foo"=>"bar", "baz"=>"buz"}</span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-comment"># foo=bar</span>
<span class="ruby-comment"># baz=buz</span>
</pre>
<p>It’s important to note that this will essentially merge any of the keys in <em>pairs</em> with the existing <em>section</em>. For example:</p>
<pre class="ruby"><span class="ruby-identifier">config</span>[<span class="ruby-string">'default'</span>]
<span class="ruby-comment">#=> {"foo"=>"bar", "baz"=>"buz"}</span>
<span class="ruby-identifier">config</span>[<span class="ruby-string">'default'</span>] = {<span class="ruby-string">"foo"</span> <span class="ruby-operator">=></span> <span class="ruby-string">"changed"</span>}
<span class="ruby-comment">#=> {"foo"=>"changed"}</span>
<span class="ruby-identifier">config</span>[<span class="ruby-string">'default'</span>]
<span class="ruby-comment">#=> {"foo"=>"changed", "baz"=>"buz"}</span>
</pre>
<div class="method-source-code" id="5B-5D-3D-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 399</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">[]=</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">pairs</span>)
<span class="ruby-identifier">check_modify</span>
<span class="ruby-identifier">set_section</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">pairs</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-add_value" class="method-detail ">
<div class="method-heading">
<span class="method-name">add_value</span><span
class="method-args">(section, key, value)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>*Deprecated in v2.2.0*. This method will be removed in a future release.</p>
<p>Set the target <em>key</em> with a given <em>value</em> under a specific <em>section</em>.</p>
<p>Given the following configurating file being loaded:</p>
<pre class="ruby"><span class="ruby-identifier">config</span> = <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">Config</span>.<span class="ruby-identifier">load</span>(<span class="ruby-string">'foo.cnf'</span>)
<span class="ruby-comment">#=> #<OpenSSL::Config sections=["default"]></span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-comment"># foo=bar</span>
</pre>
<p>You can set the value of <em>foo</em> under the <em>default</em> section to a new value:</p>
<pre class="ruby"><span class="ruby-identifier">config</span>.<span class="ruby-identifier">add_value</span>(<span class="ruby-string">'default'</span>, <span class="ruby-string">'foo'</span>, <span class="ruby-string">'buzz'</span>)
<span class="ruby-comment">#=> "buzz"</span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-comment"># foo=buzz</span>
</pre>
<div class="method-source-code" id="add_value-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 339</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">add_value</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">key</span>, <span class="ruby-identifier">value</span>)
<span class="ruby-identifier">check_modify</span>
(<span class="ruby-ivar">@data</span>[<span class="ruby-identifier">section</span>] <span class="ruby-operator">||=</span> {})[<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">value</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-each" class="method-detail ">
<div class="method-heading">
<span class="method-name">each</span><span
class="method-args">() { |section, key, value| ... }</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>For a block.</p>
<p>Receive the section and its pairs for the current configuration.</p>
<pre class="ruby"><span class="ruby-identifier">config</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">section</span>, <span class="ruby-identifier">key</span>, <span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
<span class="ruby-comment"># ...</span>
<span class="ruby-keyword">end</span>
</pre>
<div class="method-source-code" id="each-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 464</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">each</span>
<span class="ruby-ivar">@data</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">section</span>, <span class="ruby-identifier">hash</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">hash</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span>, <span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">yield</span> [<span class="ruby-identifier">section</span>, <span class="ruby-identifier">key</span>, <span class="ruby-identifier">value</span>]
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-get_value" class="method-detail ">
<div class="method-heading">
<span class="method-name">get_value</span><span
class="method-args">(section, key)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Gets the value of <em>key</em> from the given <em>section</em></p>
<p>Given the following configurating file being loaded:</p>
<pre class="ruby"><span class="ruby-identifier">config</span> = <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">Config</span>.<span class="ruby-identifier">load</span>(<span class="ruby-string">'foo.cnf'</span>)
<span class="ruby-comment">#=> #<OpenSSL::Config sections=["default"]></span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-comment"># foo=bar</span>
</pre>
<p>You can get a specific value from the config if you know the <em>section</em> and <em>key</em> like so:</p>
<pre class="ruby"><span class="ruby-identifier">config</span>.<span class="ruby-identifier">get_value</span>(<span class="ruby-string">'default'</span>,<span class="ruby-string">'foo'</span>)
<span class="ruby-comment">#=> "bar"</span>
</pre>
<div class="method-source-code" id="get_value-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 292</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_value</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">key</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">section</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">TypeError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-string">'nil not allowed'</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">section</span> = <span class="ruby-string">'default'</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">section</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">get_key_string</span>(<span class="ruby-identifier">section</span>, <span class="ruby-identifier">key</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-inspect" class="method-detail ">
<div class="method-heading">
<span class="method-name">inspect</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>String representation of this configuration object, including the class name and its sections.</p>
<div class="method-source-code" id="inspect-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 475</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">inspect</span>
<span class="ruby-node">"#<#{self.class.name} sections=#{sections.inspect}>"</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-sections" class="method-detail ">
<div class="method-heading">
<span class="method-name">sections</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Get the names of all sections in the current configuration</p>
<div class="method-source-code" id="sections-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 413</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">sections</span>
<span class="ruby-ivar">@data</span>.<span class="ruby-identifier">keys</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-to_s" class="method-detail ">
<div class="method-heading">
<span class="method-name">to_s</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Get the parsable form of the current configuration</p>
<p>Given the following configuration being created:</p>
<pre class="ruby"><span class="ruby-identifier">config</span> = <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">Config</span>.<span class="ruby-identifier">new</span>
<span class="ruby-comment">#=> #<OpenSSL::Config sections=[]></span>
<span class="ruby-identifier">config</span>[<span class="ruby-string">'default'</span>] = {<span class="ruby-string">"foo"</span><span class="ruby-operator">=></span><span class="ruby-string">"bar"</span>,<span class="ruby-string">"baz"</span><span class="ruby-operator">=></span><span class="ruby-string">"buz"</span>}
<span class="ruby-comment">#=> {"foo"=>"bar", "baz"=>"buz"}</span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-comment"># foo=bar</span>
<span class="ruby-comment"># baz=buz</span>
</pre>
<p>You can parse get the serialized configuration using <a href="Config.html#method-i-to_s"><code>to_s</code></a> and then parse it later:</p>
<pre class="ruby"><span class="ruby-identifier">serialized_config</span> = <span class="ruby-identifier">config</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-comment"># much later...</span>
<span class="ruby-identifier">new_config</span> = <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">Config</span>.<span class="ruby-identifier">parse</span>(<span class="ruby-identifier">serialized_config</span>)
<span class="ruby-comment">#=> #<OpenSSL::Config sections=["default"]></span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">new_config</span>
<span class="ruby-comment">#=> [ default ]</span>
<span class="ruby-identifier">foo</span>=<span class="ruby-identifier">bar</span>
<span class="ruby-identifier">baz</span>=<span class="ruby-identifier">buz</span>
</pre>
<div class="method-source-code" id="to_s-source">
<pre><span class="ruby-comment"># File lib/openssl/config.rb, line 443</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">to_s</span>
<span class="ruby-identifier">ary</span> = []
<span class="ruby-ivar">@data</span>.<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">sort</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">section</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">ary</span> <span class="ruby-operator"><<</span> <span class="ruby-node">"[ #{section} ]\n"</span>
<span class="ruby-ivar">@data</span>[<span class="ruby-identifier">section</span>].<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">ary</span> <span class="ruby-operator"><<</span> <span class="ruby-node">"#{key}=#{@data[section][key]}\n"</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">ary</span> <span class="ruby-operator"><<</span> <span class="ruby-string">"\n"</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">ary</span>.<span class="ruby-identifier">join</span>
<span class="ruby-keyword">end</span></pre>
</div>
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