httpd/httpd-2.4.37-usertrack-samesite.patch

diff --git a/docs/manual/mod/mod_usertrack.html.en b/docs/manual/mod/mod_usertrack.html.en
index b212747..d2da9b9 100644
--- a/docs/manual/mod/mod_usertrack.html.en
+++ b/docs/manual/mod/mod_usertrack.html.en
@@ -47,7 +47,10 @@
 <ul id="toc">
 <li><img alt="" src="../images/down.gif" /> <a href="#cookiedomain">CookieDomain</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#cookieexpires">CookieExpires</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cookiehttponly">CookieHTTPOnly</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#cookiename">CookieName</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cookiesamesite">CookieSameSite</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cookiesecure">CookieSecure</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#cookiestyle">CookieStyle</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#cookietracking">CookieTracking</a></li>
 </ul>
@@ -127,6 +130,22 @@ CustomLog "logs/clickstream.log" usertrack</pre>
     <pre class="prettyprint lang-config">CookieExpires "3 weeks"</pre>
 
 
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="CookieHTTPOnly" id="CookieHTTPOnly">CookieHTTPOnly</a> <a name="cookiehttponly" id="cookiehttponly">Directive</a></h2>
+<table class="directive">
+<tbody><tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds the 'HTTPOnly' attribute to the cookie</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CookieHTTPOnly on|off</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CookieHTTPOnly off</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
+</tbody></table>
+    <p>When set to 'ON', the 'HTTPOnly' cookie attribute is added to this 
+    modules tracking cookie. This attribute instructs browsers to block javascript
+    from reading the value of the cookie.</p>
+
 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="CookieName" id="CookieName">CookieName</a> <a name="cookiename" id="cookiename">Directive</a></h2>
@@ -150,6 +169,45 @@ CustomLog "logs/clickstream.log" usertrack</pre>
     <pre class="prettyprint lang-config">CookieName clicktrack</pre>
 
 
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="CookieSameSite" id="CookieSameSite">CookieSameSite</a> <a name="cookiesamesite" id="cookiesamesite">Directive</a></h2>
+<table class="directive">
+<tbody><tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds the 'SameSite' attribute to the cookie</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CookieSameSite None|Lax|Strict</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>unset</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
+</tbody></table>
+    <p>When set to 'None', 'Lax', or 'Strict', the 'SameSite' cookie attribute 
+    is added to this modules tracking cookie with the corresponding value.  
+    This attribute instructs browser on how to treat the cookie when it is 
+    requested in a cross-site context.</p>
+
+     <div class="note">
+        <p>A value of 'None' sets 'SameSite=None', which is the most liberal setting. To 
+        omit this attribute, omit the directive entirely.</p>
+    </div>
+  
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="CookieSecure" id="CookieSecure">CookieSecure</a> <a name="cookiesecure" id="cookiesecure">Directive</a></h2>
+<table class="directive">
+<tbody><tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds the 'Secure' attribute to the cookie</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CookieSecure on|off</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CookieSecure off</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
+</tbody></table>
+    <p>When set to 'ON', the 'Secure' cookie attribute is added to this 
+    modules tracking cookie. This attribute instructs browsers to only
+    transmit the cookie over HTTPS.</p>
+
 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="CookieStyle" id="CookieStyle">CookieStyle</a> <a name="cookiestyle" id="cookiestyle">Directive</a></h2>
diff --git a/modules/metadata/mod_usertrack.c b/modules/metadata/mod_usertrack.c
index 73a9f45..65759c2 100644
--- a/modules/metadata/mod_usertrack.c
+++ b/modules/metadata/mod_usertrack.c
@@ -86,6 +86,9 @@ typedef struct {
     const char *cookie_domain;
     char *regexp_string;  /* used to compile regexp; save for debugging */
     ap_regex_t *regexp;  /* used to find usertrack cookie in cookie header */
+    int is_secure;
+    int is_httponly;
+    const char *samesite;
 } cookie_dir_rec;
 
 /* Make Cookie: Now we have to generate something that is going to be
@@ -143,6 +146,21 @@ static void make_cookie(request_rec *r)
                                   : ""),
                                  NULL);
     }
+    if (dcfg->samesite != NULL) {
+        new_cookie = apr_pstrcat(r->pool, new_cookie, "; ",
+                                 dcfg->samesite,
+                                 NULL);
+    }
+    if (dcfg->is_secure) {
+        new_cookie = apr_pstrcat(r->pool, new_cookie, "; Secure",
+                                 NULL);
+    }
+    if (dcfg->is_httponly) {
+        new_cookie = apr_pstrcat(r->pool, new_cookie, "; HttpOnly",
+                                 NULL);
+    }
+
+
 
     apr_table_addn(r->err_headers_out,
                    (dcfg->style == CT_COOKIE2 ? "Set-Cookie2" : "Set-Cookie"),
@@ -269,6 +287,7 @@ static void *make_cookie_dir(apr_pool_t *p, char *d)
     dcfg->cookie_domain = NULL;
     dcfg->style = CT_UNSET;
     dcfg->enabled = 0;
+    /* calloc'ed to disabled: samesite, is_secure, is_httponly */
 
     /* In case the user does not use the CookieName directive,
      * we need to compile the regexp for the default cookie name. */
@@ -429,6 +448,31 @@ static const char *set_cookie_style(cmd_parms *cmd, void *mconfig,
     return NULL;
 }
 
+/* 
+ * SameSite enabled disabled 
+ */ 
+
+static const char *set_samesite_value(cmd_parms *cmd, void *mconfig,
+                                    const char *name)
+{
+    cookie_dir_rec *dcfg;
+
+    dcfg = (cookie_dir_rec *) mconfig;
+
+    if (strcasecmp(name, "strict") == 0) {
+        dcfg->samesite = "SameSite=Strict"; 
+    } else if (strcasecmp(name, "lax") == 0) {
+        dcfg->samesite = "SameSite=Lax"; 
+    } else if (strcasecmp(name, "none") == 0) {
+        dcfg->samesite = "SameSite=None"; 
+    } else {
+        return "CookieSameSite accepts 'Strict', 'Lax', or 'None'";
+    }
+
+    
+    return NULL;
+}
+
 static const command_rec cookie_log_cmds[] = {
     AP_INIT_TAKE1("CookieExpires", set_cookie_exp, NULL, OR_FILEINFO,
                   "an expiry date code"),
@@ -440,6 +484,17 @@ static const command_rec cookie_log_cmds[] = {
                  "whether or not to enable cookies"),
     AP_INIT_TAKE1("CookieName", set_cookie_name, NULL, OR_FILEINFO,
                   "name of the tracking cookie"),
+                  AP_INIT_FLAG("CookieTracking", set_cookie_enable, NULL, OR_FILEINFO,
+                 "whether or not to enable cookies"),
+    AP_INIT_TAKE1("CookieSameSite", set_samesite_value, NULL, OR_FILEINFO,
+                  "SameSite setting"),
+    AP_INIT_FLAG("CookieSecure", ap_set_flag_slot, 
+                 (void *)APR_OFFSETOF(cookie_dir_rec, is_secure), OR_FILEINFO,
+                 "is cookie secure"),
+    AP_INIT_FLAG("CookieHttpOnly", ap_set_flag_slot, 
+                 (void *)APR_OFFSETOF(cookie_dir_rec, is_httponly),OR_FILEINFO,
+                 "is cookie http only"),
+
     {NULL}
 };