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mod_proxy: Add proxy check_trans hook.

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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
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13
modules/proxy/mod_proxy.c
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@@ -764,6 +764,15 @@ PROXY_DECLARE(int) ap_proxy_trans_match(request_rec *r, struct proxy_alias *ent,
}
if (found) {
/* A proxy module is assigned this URL, check whether it's interested
* in the request itself (e.g. proxy_wstunnel cares about Upgrade
* requests only, and could hand over to proxy_http otherwise).
*/
int rc = proxy_run_check_trans(r, found + 6);
if (rc != OK && rc != DECLINED) {
return DONE;
}
r->filename = found;
r->handler = "proxy-server";
r->proxyreq = PROXYREQ_REVERSE;
@@ -3120,6 +3129,7 @@ APR_HOOK_STRUCT(
APR_HOOK_LINK(pre_request)
APR_HOOK_LINK(post_request)
APR_HOOK_LINK(request_status)
APR_HOOK_LINK(check_trans)
)
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(proxy, PROXY, int, scheme_handler,
@@ -3128,6 +3138,9 @@ APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(proxy, PROXY, int, scheme_handler,
char *url, const char *proxyhost,
apr_port_t proxyport),(r,worker,conf,
url,proxyhost,proxyport),DECLINED)
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(proxy, PROXY, int, check_trans,
(request_rec *r, const char *url),
(r, url), DECLINED)
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(proxy, PROXY, int, canon_handler,
(request_rec *r, char *url),(r,
url),DECLINED)