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<title>[56842] branches/6.3/src/wp-includes: Prevent unintended behavior when certain objects are unserialized.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/56842">56842</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/56842","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>audrasjb</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-10-12 13:20:35 +0000 (Thu, 12 Oct 2023)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Prevent unintended behavior when certain objects are unserialized.
Props ehtis, xknown.
Merges <a href="https://core.trac.wordpress.org/changeset/56835">[56835]</a> to the 6.3 branch.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches63srcwpincludesRequestssrcHooksphp">branches/6.3/src/wp-includes/Requests/src/Hooks.php</a></li>
<li><a href="#branches63srcwpincludesRequestssrcIriphp">branches/6.3/src/wp-includes/Requests/src/Iri.php</a></li>
<li><a href="#branches63srcwpincludesRequestssrcSessionphp">branches/6.3/src/wp-includes/Requests/src/Session.php</a></li>
<li><a href="#branches63srcwpincludesclasswpblockpatternsregistryphp">branches/6.3/src/wp-includes/class-wp-block-patterns-registry.php</a></li>
<li><a href="#branches63srcwpincludesclasswpblocktyperegistryphp">branches/6.3/src/wp-includes/class-wp-block-type-registry.php</a></li>
<li><a href="#branches63srcwpincludesclasswpthemephp">branches/6.3/src/wp-includes/class-wp-theme.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches63">branches/6.3/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/6.3
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/6.3 2023-10-12 13:13:02 UTC (rev 56841)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/6.3 2023-10-12 13:20:35 UTC (rev 56842)
</ins><a id="branches63"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/6.3</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43681-43682,43684-43688,43719-43720,43723,43726-43727,43729-43731,43734-43744,43747,43751-43754,43758,43760-43765,43767-43770,43772,43774-43781,43783,43785,43790-43806,43808-43821,43825,43828,43830-43834,43836-43843,43846-43863,43867-43889,43891-43894,43897-43905,43908-43909,43911-43929,43931-43942,43946-43947,43949-43956,43959-43964,43967-43969,43988,43994,44014,44017,44047,44183,44185,44187-44206,44208-44213,44231-44232,44235,44248,44284,44287-44288
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.5:49373-49379,49381
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.8:51889
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:56268,56272,56277,56279,56282,56284,56287,56290-56292,56296,56298,56300,56302,56308-56309,56311,56315,56320,56327,56329,56332,56335,56337,56339,56341,56350,56358,56365,56381,56386,56401,56417,56422,56459,56461,56463,56490-56491,56502-56503,56524-56525,56527,56529,56550,56577,56622,56757,56778,56783,56785,56833-56834
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:56268,56272,56277,56279,56282,56284,56287,56290-56292,56296,56298,56300,56302,56308-56309,56311,56315,56320,56327,56329,56332,56335,56337,56339,56341,56350,56358,56365,56381,56386,56401,56417,56422,56459,56461,56463,56490-56491,56502-56503,56524-56525,56527,56529,56550,56577,56622,56757,56778,56783,56785,56833-56835
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches63srcwpincludesRequestssrcHooksphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.3/src/wp-includes/Requests/src/Hooks.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.3/src/wp-includes/Requests/src/Hooks.php 2023-10-12 13:13:02 UTC (rev 56841)
+++ branches/6.3/src/wp-includes/Requests/src/Hooks.php 2023-10-12 13:20:35 UTC (rev 56842)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -96,4 +96,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> return true;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ public function __wakeup() {
+ throw new \LogicException( __CLASS__ . ' should never be unserialized' );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="branches63srcwpincludesRequestssrcIriphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.3/src/wp-includes/Requests/src/Iri.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.3/src/wp-includes/Requests/src/Iri.php 2023-10-12 13:13:02 UTC (rev 56841)
+++ branches/6.3/src/wp-includes/Requests/src/Iri.php 2023-10-12 13:20:35 UTC (rev 56842)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -717,6 +717,20 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return true;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function __wakeup() {
+ $class_props = get_class_vars( __CLASS__ );
+ $string_props = array( 'scheme', 'iuserinfo', 'ihost', 'port', 'ipath', 'iquery', 'ifragment' );
+ $array_props = array( 'normalization' );
+ foreach ( $class_props as $prop => $default_value ) {
+ if ( in_array( $prop, $string_props, true ) && ! is_string( $this->$prop ) ) {
+ throw new UnexpectedValueException();
+ } elseif ( in_array( $prop, $array_props, true ) && ! is_array( $this->$prop ) ) {
+ throw new UnexpectedValueException();
+ }
+ $this->$prop = null;
+ }
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Set the entire IRI. Returns true on success, false on failure (if there
</span><span class="cx" style="display: block; padding: 0 10px"> * are any invalid characters).
</span></span></pre></div>
<a id="branches63srcwpincludesRequestssrcSessionphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.3/src/wp-includes/Requests/src/Session.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.3/src/wp-includes/Requests/src/Session.php 2023-10-12 13:13:02 UTC (rev 56841)
+++ branches/6.3/src/wp-includes/Requests/src/Session.php 2023-10-12 13:20:35 UTC (rev 56842)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -265,6 +265,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return Requests::request_multiple($requests, $options);
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function __wakeup() {
+ throw new \LogicException( __CLASS__ . ' should never be unserialized' );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Merge a request's data with the default data
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span></span></pre></div>
<a id="branches63srcwpincludesclasswpblockpatternsregistryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.3/src/wp-includes/class-wp-block-patterns-registry.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.3/src/wp-includes/class-wp-block-patterns-registry.php 2023-10-12 13:13:02 UTC (rev 56841)
+++ branches/6.3/src/wp-includes/class-wp-block-patterns-registry.php 2023-10-12 13:20:35 UTC (rev 56842)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -197,6 +197,21 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return isset( $this->registered_patterns[ $pattern_name ] );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function __wakeup() {
+ if ( ! $this->registered_patterns ) {
+ return;
+ }
+ if ( ! is_array( $this->registered_patterns ) ) {
+ throw new UnexpectedValueException();
+ }
+ foreach ( $this->registered_patterns as $value ) {
+ if ( ! is_array( $value ) ) {
+ throw new UnexpectedValueException();
+ }
+ }
+ $this->registered_patterns_outside_init = array();
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Utility method to retrieve the main instance of the class.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span></span></pre></div>
<a id="branches63srcwpincludesclasswpblocktyperegistryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.3/src/wp-includes/class-wp-block-type-registry.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.3/src/wp-includes/class-wp-block-type-registry.php 2023-10-12 13:13:02 UTC (rev 56841)
+++ branches/6.3/src/wp-includes/class-wp-block-type-registry.php 2023-10-12 13:20:35 UTC (rev 56842)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -168,6 +168,20 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return isset( $this->registered_block_types[ $name ] );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function __wakeup() {
+ if ( ! $this->registered_block_types ) {
+ return;
+ }
+ if ( ! is_array( $this->registered_block_types ) ) {
+ throw new UnexpectedValueException();
+ }
+ foreach ( $this->registered_block_types as $value ) {
+ if ( ! $value instanceof WP_Block_Type ) {
+ throw new UnexpectedValueException();
+ }
+ }
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Utility method to retrieve the main instance of the class.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span></span></pre></div>
<a id="branches63srcwpincludesclasswpthemephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.3/src/wp-includes/class-wp-theme.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.3/src/wp-includes/class-wp-theme.php 2023-10-12 13:13:02 UTC (rev 56841)
+++ branches/6.3/src/wp-includes/class-wp-theme.php 2023-10-12 13:20:35 UTC (rev 56842)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -742,6 +742,28 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Perform reinitialization tasks.
+ *
+ * Prevents a callback from being injected during unserialization of an object.
+ *
+ * @return void
+ */
+ public function __wakeup() {
+ if ( $this->parent && ! $this->parent instanceof self ) {
+ throw new UnexpectedValueException();
+ }
+ if ( $this->headers && ! is_array( $this->headers ) ) {
+ throw new UnexpectedValueException();
+ }
+ foreach ( $this->headers as $value ) {
+ if ( ! is_string( $value ) ) {
+ throw new UnexpectedValueException();
+ }
+ }
+ $this->headers_sanitized = array();
+ }
+
+ /**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Adds theme data to cache.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * Cache entries keyed by the theme and the type of data.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1812,4 +1834,16 @@
</span><span class="cx" style="display: block; padding: 0 10px"> private static function _name_sort_i18n( $a, $b ) {
</span><span class="cx" style="display: block; padding: 0 10px"> return strnatcasecmp( $a->name_translated, $b->name_translated );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ private static function _check_headers_property_has_correct_type( $headers ) {
+ if ( ! is_array( $headers ) ) {
+ return false;
+ }
+ foreach ( $headers as $key => $value ) {
+ if ( ! is_string( $key ) || ! is_string( $value ) ) {
+ return false;
+ }
+ }
+ return true;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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