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httpd/httpd-2.4.37-proxy-ws-idle-timeout.patch

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diff --git a/docs/manual/mod/mod_proxy_wstunnel.html.en b/docs/manual/mod/mod_proxy_wstunnel.html.en
index 21ffbe2..16e1628 100644
--- a/docs/manual/mod/mod_proxy_wstunnel.html.en
+++ b/docs/manual/mod/mod_proxy_wstunnel.html.en
@@ -60,14 +60,33 @@ NONE means you bypass the check for the header but still upgrade to WebSocket.
ANY means that <code>Upgrade</code> will read in the request headers and use
in the response <code>Upgrade</code></p>
</div>
-<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3 class="directives">Directives</h3>
-<p>This module provides no
- directives.</p>
+<div id="quickview"><h3 class="directives">Directives</h3>
+<ul id="toc">
+<li><img alt="" src="../images/down.gif" /> <a href="#proxywebsocketidletimeout">ProxyWebsocketIdleTimeout</a></li>
+</ul>
+
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_proxy_wstunnel">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_proxy_wstunnel">Report a bug</a></li></ul><h3>See also</h3>
<ul class="seealso">
<li><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code></li>
<li><a href="#comments_section">Comments</a></li></ul></div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="ProxyWebsocketIdleTimeout" id="ProxyWebsocketIdleTimeout">ProxyWebsocketIdleTimeout</a> <a name="proxywebsocketidletimeout" id="proxywebsocketidletimeout">Directive</a> <a title="Permanent link" href="#proxywebsocketidletimeout" class="permalink">&para;</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets the maximum amount of time to wait for data on the websockets tunnel</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ProxyWebsocketIdleTimeout <var>num</var>[ms]</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ProxyWebsocketIdleTimeout 0</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</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_proxy_wstunnel</td></tr>
+</table>
+ <p>This directive imposes a maximum amount of time for the tunnel to be
+ left open while idle. The timeout is considered in seconds by default, but
+ it is possible to increase the time resolution to milliseconds
+ adding the <em>ms</em> suffix.</p>
+
+</div>
+
</div>
<div class="bottomlang">
<p><span>Available Languages: </span><a href="../en/mod/mod_proxy_wstunnel.html" title="English">&nbsp;en&nbsp;</a> |
diff --git a/modules/proxy/mod_proxy_wstunnel.c b/modules/proxy/mod_proxy_wstunnel.c
index 4aadbab..ca3ed3a 100644
--- a/modules/proxy/mod_proxy_wstunnel.c
+++ b/modules/proxy/mod_proxy_wstunnel.c
@@ -18,6 +18,10 @@
module AP_MODULE_DECLARE_DATA proxy_wstunnel_module;
+typedef struct {
+ apr_time_t idle_timeout;
+} proxyws_dir_conf;
+
/*
* Canonicalise http-like URLs.
* scheme is the scheme for the URL
@@ -108,6 +112,8 @@ static int proxy_wstunnel_request(apr_pool_t *p, request_rec *r,
conn_rec *c = r->connection;
apr_socket_t *sock = conn->sock;
conn_rec *backconn = conn->connection;
+ proxyws_dir_conf *dconf = ap_get_module_config(r->per_dir_config,
+ &proxy_wstunnel_module);
char *buf;
apr_bucket_brigade *header_brigade;
apr_bucket *e;
@@ -185,10 +191,13 @@ static int proxy_wstunnel_request(apr_pool_t *p, request_rec *r,
c->keepalive = AP_CONN_CLOSE;
do { /* Loop until done (one side closes the connection, or an error) */
- rv = apr_pollset_poll(pollset, -1, &pollcnt, &signalled);
+ rv = apr_pollset_poll(pollset, dconf->idle_timeout, &pollcnt, &signalled);
if (rv != APR_SUCCESS) {
if (APR_STATUS_IS_EINTR(rv)) {
continue;
+ } else if(APR_STATUS_IS_TIMEUP(rv)){
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, "RH: the connection has timed out");
+ return HTTP_REQUEST_TIME_OUT;
}
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(02444) "error apr_poll()");
return HTTP_INTERNAL_SERVER_ERROR;
@@ -366,6 +375,38 @@ cleanup:
return status;
}
+static const char * proxyws_set_idle(cmd_parms *cmd, void *conf, const char *val)
+{
+ proxyws_dir_conf *dconf = conf;
+ if (ap_timeout_parameter_parse(val, &(dconf->idle_timeout), "s") != APR_SUCCESS)
+ return "ProxyWebsocketIdleTimeout timeout has wrong format";
+
+ if (dconf->idle_timeout < 0)
+ return "ProxyWebsocketIdleTimeout timeout has to be a non-negative number";
+
+ if (!dconf->idle_timeout) dconf->idle_timeout = -1; /* loop indefinitely */
+
+ return NULL;
+}
+
+static void *create_proxyws_dir_config(apr_pool_t *p, char *dummy)
+{
+ proxyws_dir_conf *new =
+ (proxyws_dir_conf *) apr_pcalloc(p, sizeof(proxyws_dir_conf));
+
+ new->idle_timeout = -1; /* no timeout */
+
+ return (void *) new;
+}
+
+static const command_rec ws_proxy_cmds[] =
+{
+ AP_INIT_TAKE1("ProxyWebsocketIdleTimeout", proxyws_set_idle, NULL, RSRC_CONF|ACCESS_CONF,
+ "timeout for activity in either direction, unlimited by default."),
+
+ {NULL}
+};
+
static void ap_proxy_http_register_hook(apr_pool_t *p)
{
proxy_hook_scheme_handler(proxy_wstunnel_handler, NULL, NULL, APR_HOOK_FIRST);
@@ -374,10 +415,10 @@ static void ap_proxy_http_register_hook(apr_pool_t *p)
AP_DECLARE_MODULE(proxy_wstunnel) = {
STANDARD20_MODULE_STUFF,
- NULL, /* create per-directory config structure */
+ create_proxyws_dir_config, /* create per-directory config structure */
NULL, /* merge per-directory config structures */
NULL, /* create per-server config structure */
NULL, /* merge per-server config structures */
- NULL, /* command apr_table_t */
+ ws_proxy_cmds, /* command apr_table_t */
ap_proxy_http_register_hook /* register hooks */
};
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