www/apache
1
0
Fork 0
mirror of https://github.com/apache/httpd.git synced 2025-08-08 15:02:10 +03:00
Code Activity

mod_proxy: Add proxy check_trans hook.

Browse Source 
This allows proxy modules to decline request handling at early stage.
Then mod_proxy_wstunnel can implement that hook to verify that an Upgrade
is requested, and otherwise hand over to mod_proxy_http.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1869399 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yann Ylavic
2019-11-05 12:43:29 +00:00
parent 271918c415
commit 3d3e03a63a
5 changed files with 38 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
modules/proxy/mod_proxy_wstunnel.c
View File

@@ -92,6 +92,23 @@ static void proxy_wstunnel_callback(void *b)
}
}
static int proxy_wstunnel_check_trans(request_rec *r, const char *url)
{
if (ap_cstr_casecmpn(url, "ws:", 3) != 0
&& ap_cstr_casecmpn(url, "wss:", 4) != 0) {
return DECLINED;
}
if (!apr_table_get(r->headers_in, "Upgrade")) {
/* No Upgrade, let mod_proxy_http handle it (for instance).
* Note: anything but OK/DECLINED will do (i.e. bypass wstunnel w/o
* aborting the request), HTTP_UPGRADE_REQUIRED is documentary...
*/
return HTTP_UPGRADE_REQUIRED;
}
return OK;
}
/*
* Canonicalise http-like URLs.
@@ -414,6 +431,7 @@ static void ap_proxy_http_register_hook(apr_pool_t *p)
{
static const char * const aszSucc[] = { "mod_proxy_http.c", NULL};
proxy_hook_scheme_handler(proxy_wstunnel_handler, NULL, aszSucc, APR_HOOK_FIRST);
proxy_hook_check_trans(proxy_wstunnel_check_trans, NULL, aszSucc, APR_HOOK_MIDDLE);
proxy_hook_canon_handler(proxy_wstunnel_canon, NULL, aszSucc, APR_HOOK_FIRST);
}