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From j..@apache.org
Subject svn commit: r1810358 - in /httpd/httpd/trunk: docs/manual/mod/mod_proxy_uwsgi.xml docs/manual/mod/mod_proxy_uwsgi.xml.meta modules/proxy/config.m4 modules/proxy/mod_proxy_uwsgi.c modules/proxy/mod_proxy_uwsgi.dsp
Date Mon, 02 Oct 2017 14:20:15 GMT
Author: jim
Date: Mon Oct  2 14:20:15 2017
New Revision: 1810358

URL: http://svn.apache.org/viewvc?rev=1810358&view=rev
Log:
Fold in ALv2 licensed UWSGI proxy (sub)module as acknowledged via
https://github.com/unbit/uwsgi/issues/1636


Added:
    httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml
    httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml.meta
    httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.c
    httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.dsp
Modified:
    httpd/httpd/trunk/modules/proxy/config.m4

Added: httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml?rev=1810358&view=auto
==============================================================================
--- httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml (added)
+++ httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml Mon Oct  2 14:20:15 2017
@@ -0,0 +1,78 @@
+<?xml version="1.0"?>
+<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
+<?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
+<!-- $LastChangedRevision: 1755335 $ -->
+
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements.  See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License.  You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<modulesynopsis metafile="mod_proxy_uwsgi.xml.meta">
+
+<name>mod_proxy_uwsgi</name>
+<description>UWSGI gateway module for <module>mod_proxy</module></description>
+<status>Extension</status>
+<sourcefile>mod_proxy_uwsgi.c</sourcefile>
+<identifier>proxy_uwsgi_module</identifier>
+
+<summary>
+    <p>This module <em>requires</em> the service of <module
+    >mod_proxy</module>. It provides support for the
+    <a href="http://uwsgi-docs.readthedocs.io/en/latest/index.html">UWSGI protocol</a>.</p>
+
+    <p>Thus, in order to get the ability of handling the UWSGI protocol,
+    <module>mod_proxy</module> and <module>mod_proxy_uwsgi</module>
have to
+    be present in the server.</p>
+
+    <note type="warning"><title>Warning</title>
+      <p>Do not enable proxying until you have <a
+      href="mod_proxy.html#access">secured your server</a>. Open proxy
+      servers are dangerous both to your network and to the Internet at
+      large.</p>
+    </note>
+</summary>
+
+<seealso><module>mod_proxy</module></seealso>
+<seealso><module>mod_proxy_balancer</module></seealso>
+
+<section id="examples"><title>Examples</title>
+    <p>Remember, in order to make the following examples work, you have to
+    enable <module>mod_proxy</module> and <module>mod_proxy_uwsgi</module>.</p>
+
+    <example><title>Simple gateway</title>
+    <highlight language="config">
+ProxyPass "/uwsgi-bin/" "uwsgi://localhost:4000/"
+      </highlight>
+    </example>
+
+    <p>The balanced gateway needs <module>mod_proxy_balancer</module> and
+    at least one load balancer algorithm module, such as
+    <module>mod_lbmethod_byrequests</module>, in addition to the proxy
+    modules listed above.  <module>mod_lbmethod_byrequests</module> is the
+    default, and will be used for this example configuration.</p>
+
+    <example><title>Balanced gateway</title>
+    <highlight language="config">
+ProxyPass "/uwsgi-bin/" "balancer://somecluster/"
+&lt;Proxy balancer://somecluster&gt;
+    BalancerMember uwsgi://localhost:4000
+    BalancerMember uwsgi://localhost:4001
+&lt;/Proxy&gt;
+    </highlight>
+    </example>
+</section>
+
+</modulesynopsis>

Added: httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml.meta
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml.meta?rev=1810358&view=auto
==============================================================================
--- httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml.meta (added)
+++ httpd/httpd/trunk/docs/manual/mod/mod_proxy_uwsgi.xml.meta Mon Oct  2 14:20:15 2017
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- GENERATED FROM XML: DO NOT EDIT -->
+
+<metafile reference="mod_proxy_uwsgi.xml">
+  <basename>mod_proxy_uwsgi</basename>
+  <path>/mod/</path>
+  <relpath>..</relpath>
+
+  <variants>
+    <variant>en</variant>
+  </variants>
+</metafile>

Modified: httpd/httpd/trunk/modules/proxy/config.m4
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/config.m4?rev=1810358&r1=1810357&r2=1810358&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/config.m4 (original)
+++ httpd/httpd/trunk/modules/proxy/config.m4 Mon Oct  2 14:20:15 2017
@@ -10,6 +10,7 @@ proxy_ftp_objs="mod_proxy_ftp.lo"
 proxy_http_objs="mod_proxy_http.lo"
 proxy_fcgi_objs="mod_proxy_fcgi.lo"
 proxy_scgi_objs="mod_proxy_scgi.lo"
+proxy_uwsgi_objs="mod_proxy_uwsgi.lo"
 proxy_fdpass_objs="mod_proxy_fdpass.lo"
 proxy_ajp_objs="mod_proxy_ajp.lo ajp_header.lo ajp_link.lo ajp_msg.lo ajp_utils.lo"
 proxy_wstunnel_objs="mod_proxy_wstunnel.lo"
@@ -24,6 +25,7 @@ case "$host" in
     proxy_http_objs="$proxy_http_objs mod_proxy.la"
     proxy_fcgi_objs="$proxy_fcgi_objs mod_proxy.la"
     proxy_scgi_objs="$proxy_scgi_objs mod_proxy.la"
+    proxy_uwsgi_objs="$proxy_uwsgi_objs mod_proxy.la"
     proxy_fdpass_objs="$proxy_fdpass_objs mod_proxy.la"
     proxy_ajp_objs="$proxy_ajp_objs mod_proxy.la"
     proxy_wstunnel_objs="$proxy_wstunnel_objs mod_proxy.la"
@@ -36,6 +38,7 @@ APACHE_MODULE(proxy_ftp, Apache proxy FT
 APACHE_MODULE(proxy_http, Apache proxy HTTP module.  Requires --enable-proxy., $proxy_http_objs,
, most, , proxy)
 APACHE_MODULE(proxy_fcgi, Apache proxy FastCGI module.  Requires --enable-proxy., $proxy_fcgi_objs,
, most, , proxy)
 APACHE_MODULE(proxy_scgi, Apache proxy SCGI module.  Requires --enable-proxy., $proxy_scgi_objs,
, most, , proxy)
+APACHE_MODULE(proxy_uwsgi, Apache proxy UWSGI module.  Requires --enable-proxy., $proxy_uwsgi_objs,
, most, , proxy)
 APACHE_MODULE(proxy_fdpass, Apache proxy to Unix Daemon Socket module.  Requires --enable-proxy.,
$proxy_fdpass_objs, , most, [
   AC_CHECK_DECL(CMSG_DATA,,, [
     #include <sys/types.h>

Added: httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.c?rev=1810358&view=auto
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.c (added)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.c Mon Oct  2 14:20:15 2017
@@ -0,0 +1,520 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+        
+*** mod_proxy_uwsgi ***
+
+Copyright 2009-2017 Unbit S.a.s. <info@unbit.it>
+     
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+*/
+
+#define APR_WANT_MEMFUNC
+#define APR_WANT_STRFUNC
+#include "apr_strings.h"
+#include "apr_hooks.h"
+#include "apr_optional_hooks.h"
+#include "apr_buckets.h"
+
+#include "httpd.h"
+#include "http_config.h"
+#include "http_log.h"
+#include "http_protocol.h"
+#include "http_request.h"
+#include "util_script.h"
+
+#include "mod_proxy.h"
+
+
+#define UWSGI_SCHEME "uwsgi"
+#define UWSGI_DEFAULT_PORT 3031
+
+module AP_MODULE_DECLARE_DATA proxy_uwsgi_module;
+
+
+static int uwsgi_canon(request_rec *r, char *url)
+{
+    char *host, sport[sizeof(":65535")];
+    const char *err, *path;
+    apr_port_t port = UWSGI_DEFAULT_PORT;
+
+    if (strncasecmp(url, UWSGI_SCHEME "://", sizeof(UWSGI_SCHEME) + 2)) {
+        return DECLINED;
+    }
+    url += sizeof(UWSGI_SCHEME); /* Keep slashes */
+
+    err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
+    if (err) {
+        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                    "error parsing URL %s: %s", url, err);
+        return HTTP_BAD_REQUEST;
+    }
+
+    if (port != UWSGI_DEFAULT_PORT)
+        apr_snprintf(sport, sizeof(sport), ":%u", port);
+    else
+        sport[0] = '\0';
+
+    if (ap_strchr(host, ':')) { /* if literal IPv6 address */
+        host = apr_pstrcat(r->pool, "[", host, "]", NULL);
+    }
+
+    path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
+                             r->proxyreq);
+    if (!path) {
+        return HTTP_BAD_REQUEST;
+    }
+
+    r->filename = apr_pstrcat(r->pool, "proxy:" UWSGI_SCHEME "://", host, sport, "/",
+                              path, NULL);
+
+    return OK;
+}
+
+
+static int uwsgi_send(proxy_conn_rec *conn, const char *buf, apr_size_t length,
+                   request_rec *r)
+{
+    apr_status_t rv;
+    apr_size_t written;
+
+    while (length > 0) {
+        written = length;
+        if ((rv = apr_socket_send(conn->sock, buf, &written)) != APR_SUCCESS) {
+            ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
+                          "sending data to %s:%u failed",
+                          conn->hostname, conn->port);
+            return HTTP_SERVICE_UNAVAILABLE;
+        }
+
+        /* count for stats */
+        conn->worker->s->transferred += written;
+        buf += written;
+        length -= written;
+    }
+
+    return OK;
+}
+
+
+/*
+ * Send uwsgi header block
+ */
+static int uwsgi_send_headers(request_rec *r, proxy_conn_rec *conn)
+{
+    char *buf, *ptr;
+
+    const apr_array_header_t *env_table;
+    const apr_table_entry_t *env;
+
+    int j;
+
+    apr_size_t headerlen = 4;
+    uint16_t pktsize, keylen, vallen;
+
+    ap_add_common_vars(r);
+    ap_add_cgi_vars(r);
+
+    // this is not a security problem (in Linux) as uWSGI destroy the env memory area readable
in /proc
+    // and generally if you host untrusted apps in your server and allows them to read others
uid /proc/<pid>
+    // files you have higher problems...
+    const char *auth = apr_table_get(r->headers_in, "Authorization");
+    if (auth) {
+        apr_table_setn(r->subprocess_env, "HTTP_AUTHORIZATION", auth); 
+    }
+
+    const char *script_name = apr_table_get(r->subprocess_env, "SCRIPT_NAME");
+    const char *path_info = apr_table_get(r->subprocess_env, "PATH_INFO");
+
+    if (script_name && path_info) {
+        if (strcmp(path_info, "/")) {
+            apr_table_set(r->subprocess_env, "SCRIPT_NAME", apr_pstrndup(r->pool, script_name,
strlen(script_name)-strlen(path_info)));
+	}
+        else {
+            if (!strcmp(script_name, "/")) {
+                apr_table_set(r->subprocess_env, "SCRIPT_NAME", "");
+            }
+        }
+    }
+
+    env_table = apr_table_elts(r->subprocess_env);
+    env = (apr_table_entry_t *)env_table->elts;
+
+    for (j = 0; j < env_table->nelts; ++j) {
+        headerlen += 2 + strlen(env[j].key) + 2 + strlen(env[j].val) ;
+    }
+
+    ptr = buf = apr_palloc(r->pool, headerlen);
+
+    ptr+=4;
+
+    for (j = 0; j < env_table->nelts; ++j) {
+	keylen = strlen(env[j].key);
+	*ptr++= (uint8_t) (keylen & 0xff);
+	*ptr++= (uint8_t) ((keylen >> 8)  & 0xff);
+	memcpy(ptr, env[j].key, keylen) ; ptr+=keylen;
+
+	vallen = strlen(env[j].val);
+	*ptr++= (uint8_t) (vallen & 0xff);
+	*ptr++= (uint8_t) ((vallen >> 8)  & 0xff);
+	memcpy(ptr, env[j].val, vallen) ; ptr+=vallen;
+    }
+
+    pktsize = headerlen-4;
+
+    buf[0] = 0;
+    buf[1] = (uint8_t) (pktsize & 0xff);
+    buf[2] = (uint8_t) ((pktsize >> 8) & 0xff);
+    buf[3] = 0;
+
+    return uwsgi_send(conn, buf, headerlen, r);
+}
+
+
+static int uwsgi_send_body(request_rec *r, proxy_conn_rec *conn)
+{
+    if (ap_should_client_block(r)) {
+        char *buf = apr_palloc(r->pool, AP_IOBUFSIZE);
+        int status;
+        apr_size_t readlen;
+
+        readlen = ap_get_client_block(r, buf, AP_IOBUFSIZE);
+        while (readlen > 0) {
+            status = uwsgi_send(conn, buf, readlen, r);
+            if (status != OK) {
+                return HTTP_SERVICE_UNAVAILABLE;
+            }
+            readlen = ap_get_client_block(r, buf, AP_IOBUFSIZE);
+        }
+        if (readlen == -1) {
+            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                          "receiving request body failed");
+            return HTTP_INTERNAL_SERVER_ERROR;
+        }
+    }
+
+    return OK;
+}
+
+static request_rec *make_fake_req(conn_rec *c, request_rec *r)
+{
+    apr_pool_t *pool;
+    request_rec *rp;
+
+    apr_pool_create(&pool, c->pool);
+
+    rp = apr_pcalloc(pool, sizeof(*r));
+
+    rp->pool            = pool;
+    rp->status          = HTTP_OK;
+
+    rp->headers_in      = apr_table_make(pool, 50);
+    rp->subprocess_env  = apr_table_make(pool, 50);
+    rp->headers_out     = apr_table_make(pool, 12);
+    rp->err_headers_out = apr_table_make(pool, 5);
+    rp->notes           = apr_table_make(pool, 5);
+
+    rp->server = r->server;
+    rp->log = r->log;
+    rp->proxyreq = r->proxyreq;
+    rp->request_time = r->request_time;
+    rp->connection      = c;
+    rp->output_filters  = c->output_filters;
+    rp->input_filters   = c->input_filters;
+    rp->proto_output_filters  = c->output_filters;
+    rp->proto_input_filters   = c->input_filters;
+    rp->useragent_ip = c->client_ip;
+    rp->useragent_addr = c->client_addr;
+
+    rp->request_config  = ap_create_request_config(pool);
+    proxy_run_create_req(r, rp);
+
+    return rp;
+}
+
+static int uwsgi_response(request_rec *r, proxy_conn_rec *backend, proxy_server_conf *conf)
+{
+
+	char buffer[HUGE_STRING_LEN];
+	const char *buf;
+	char *value, *end;
+	int len;
+	int backend_broke = 0;
+	apr_status_t rc;
+	conn_rec *c = r->connection;
+	apr_off_t readbytes;
+	apr_status_t rv;
+	apr_bucket *e;
+	apr_read_type_e mode = APR_NONBLOCK_READ;
+
+	request_rec *rp = make_fake_req(backend->connection, r);
+	rp->proxyreq = PROXYREQ_RESPONSE;
+
+	apr_bucket_brigade *bb = apr_brigade_create(r->pool, c->bucket_alloc);
+	apr_bucket_brigade *pass_bb = apr_brigade_create(r->pool, c->bucket_alloc);
+
+	len = ap_getline(buffer, sizeof(buffer), rp, 1);
+
+	if (len <= 0) {
+		// oops
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+	backend->worker->s->read += len;
+
+	if (len >= sizeof(buffer)-1) {
+		// oops
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+	/* Position of http status code */
+	int status_start;
+	if (apr_date_checkmask(buffer, "HTTP/#.# ###*")) {
+		status_start = 9;
+	} else if (apr_date_checkmask(buffer, "HTTP/# ###*")) {
+		status_start = 7;
+	} else {
+		// oops
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+	int status_end = status_start + 3;
+
+	char keepchar = buffer[status_end];
+	buffer[status_end] = '\0';
+	r->status = atoi(&buffer[status_start]);
+
+	if (keepchar != '\0') {
+		buffer[status_end] = keepchar;
+	} else {
+		/* 2616 requires the space in Status-Line; the origin
+		* server may have sent one but ap_rgetline_core will
+		* have stripped it. */
+		buffer[status_end] = ' ';
+		buffer[status_end+1] = '\0';
+	}
+	r->status_line = apr_pstrdup(r->pool, &buffer[status_start]);
+
+	// start parsing headers;
+	while ((len = ap_getline(buffer, sizeof(buffer), rp, 1)) > 0) {
+		value = strchr(buffer, ':');
+		// invalid header skip
+		if (!value) continue;
+		*value = '\0';
+		++value;
+		while (apr_isspace(*value)) ++value; 
+		for (end = &value[strlen(value)-1]; end > value && apr_isspace(*end); --end)
*end = '\0';
+		apr_table_add(r->headers_out, buffer, value);
+	}
+
+	if ((buf = apr_table_get(r->headers_out, "Content-Type"))) {
+		ap_set_content_type(r, apr_pstrdup(r->pool, buf));
+	}
+
+    // honor ProxyErrorOverride and ErrorDocument
+#if AP_MODULE_MAGIC_AT_LEAST(20101106,0)
+    proxy_dir_conf *dconf = ap_get_module_config(r->per_dir_config, &proxy_module);
+    if (dconf->error_override && ap_is_HTTP_ERROR(r->status)) {
+#else
+    if (conf->error_override && ap_is_HTTP_ERROR(r->status)) {
+#endif
+        int status = r->status;
+        r->status = HTTP_OK;
+        r->status_line = NULL;
+
+        apr_brigade_cleanup(bb);
+               apr_brigade_cleanup(pass_bb);
+
+        return status;
+    }
+
+	int finish = 0;
+	while(!finish) {
+		rv = ap_get_brigade(rp->input_filters, bb,
+                                        AP_MODE_READBYTES, mode,
+                                        conf->io_buffer_size);
+		if (APR_STATUS_IS_EAGAIN(rv)
+                        || (rv == APR_SUCCESS && APR_BRIGADE_EMPTY(bb)) ) {
+			e = apr_bucket_flush_create(c->bucket_alloc);
+			APR_BRIGADE_INSERT_TAIL(bb, e);
+			if (ap_pass_brigade(r->output_filters, bb) || c->aborted) {
+				break;
+			}
+			apr_brigade_cleanup(bb);
+			mode = APR_BLOCK_READ;
+			continue;
+		}
+		else if (rv == APR_EOF) {
+			break;
+		}
+		else if (rv != APR_SUCCESS) {
+			ap_proxy_backend_broke(r, bb);
+			ap_pass_brigade(r->output_filters, bb);
+			backend_broke = 1;
+			break;
+		}
+
+		mode = APR_NONBLOCK_READ;
+		apr_brigade_length(bb, 0, &readbytes);
+		backend->worker->s->read += readbytes;
+
+		if (APR_BRIGADE_EMPTY(bb)) {
+                        apr_brigade_cleanup(bb);
+                        break;
+                }
+
+		ap_proxy_buckets_lifetime_transform(r, bb, pass_bb);
+
+		// found the last brigade?
+		if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(bb))) finish = 1;
+
+		// do not pass chunk if it is zero_sized
+		apr_brigade_length(pass_bb, 0, &readbytes);
+
+		if ((readbytes > 0 && ap_pass_brigade(r->output_filters, pass_bb) != APR_SUCCESS)
|| c->aborted) {
+			finish = 1;
+		}
+
+		apr_brigade_cleanup(bb);
+		apr_brigade_cleanup(pass_bb);
+	}
+
+	e = apr_bucket_eos_create(c->bucket_alloc);
+	APR_BRIGADE_INSERT_TAIL(bb, e);
+        ap_pass_brigade(r->output_filters, bb);
+
+	apr_brigade_cleanup(bb);
+
+	if (c->aborted || backend_broke) {
+        	return DONE;
+        }
+
+	return OK;
+}
+
+static int uwsgi_handler(request_rec *r, proxy_worker *worker,
+                        proxy_server_conf *conf, char *url,
+                        const char *proxyname, apr_port_t proxyport)
+{
+    int status;
+    proxy_conn_rec *backend = NULL;
+    apr_pool_t *p = r->pool;
+    apr_uri_t *uri = apr_palloc(r->pool, sizeof(*uri));
+    char server_portstr[32];
+
+    if (strncasecmp(url, UWSGI_SCHEME "://", sizeof(UWSGI_SCHEME) + 2)) {
+        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+                      "declining URL %s", url);
+        return DECLINED;
+    }
+
+    // ADD PATH_INFO
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+    size_t w_len = strlen(worker->s->name);
+#else
+    size_t w_len = strlen(worker->name);
+#endif
+    char *u_path_info = r->filename + 6 + w_len;
+    int delta = 0;
+    if (u_path_info[0] != '/') {
+        delta = 1;
+    }
+    int decode_status = ap_unescape_url(url+w_len-delta);
+    if (decode_status) {
+       ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                      "unable to decode uri: %s",
+                      url+w_len-delta);
+        return HTTP_INTERNAL_SERVER_ERROR;
+    }
+    apr_table_add(r->subprocess_env, "PATH_INFO", url+w_len-delta);
+
+
+    /* Create space for state information */
+    status = ap_proxy_acquire_connection(UWSGI_SCHEME, &backend, worker,
+                                         r->server);
+    if (status != OK) {
+        goto cleanup;
+    }
+    backend->is_ssl = 0;
+
+    /* Step One: Determine Who To Connect To */
+    status = ap_proxy_determine_connection(p, r, conf, worker, backend,
+                                           uri, &url, proxyname, proxyport,
+                                           server_portstr, sizeof(server_portstr));
+    if (status != OK) {
+        goto cleanup;
+    }
+
+
+    /* Step Two: Make the Connection */
+    if (ap_proxy_connect_backend(UWSGI_SCHEME, backend, worker, r->server)) {
+        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                      "failed to make connection to backend: %s:%u",
+                      backend->hostname, backend->port);
+        status = HTTP_SERVICE_UNAVAILABLE;
+        goto cleanup;
+    }
+
+    /* Step Three: Create conn_rec */
+    if (!backend->connection) {
+	if ((status = ap_proxy_connection_create(UWSGI_SCHEME, backend,
+						r->connection, r->server)) != OK)
+		goto cleanup;
+    }
+
+    /* Step Four: Process the Request */
+    if (   ((status = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)) != OK)
+        || ((status = uwsgi_send_headers(r, backend)) != OK)
+        || ((status = uwsgi_send_body(r, backend)) != OK)
+        || ((status = uwsgi_response(r, backend, conf)) != OK)) {
+        goto cleanup;
+    }
+
+cleanup:
+    if (backend) {
+        backend->close = 1; /* always close the socket */
+        ap_proxy_release_connection(UWSGI_SCHEME, backend, r->server);
+    }
+    return status;
+}
+
+
+static void register_hooks(apr_pool_t *p)
+{
+    proxy_hook_scheme_handler(uwsgi_handler, NULL, NULL, APR_HOOK_FIRST);
+    proxy_hook_canon_handler(uwsgi_canon, NULL, NULL, APR_HOOK_FIRST);
+}
+
+
+module AP_MODULE_DECLARE_DATA proxy_uwsgi_module = {
+    STANDARD20_MODULE_STUFF,
+    NULL,		/* 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 table */
+    register_hooks	/* register hooks */
+};

Added: httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.dsp
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.dsp?rev=1810358&view=auto
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.dsp (added)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_uwsgi.dsp Mon Oct  2 14:20:15 2017
@@ -0,0 +1,123 @@
+# Microsoft Developer Studio Project File - Name="mod_proxy_uwsgi" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
+
+CFG=mod_proxy_uwsgi - Win32 Release
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "mod_proxy_uwsgi.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "mod_proxy_uwsgi.mak" CFG="mod_proxy_uwsgi - Win32 Release"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "mod_proxy_uwsgi - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "mod_proxy_uwsgi - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+MTL=midl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "mod_proxy_uwsgi - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /FD /c
+# ADD CPP /nologo /MD /W3 /O2 /Oy- /Zi /I "../../include" /I "../../srclib/apr/include" /I
"../../srclib/apr-util/include" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /Fd"Release\mod_proxy_uwsgi_src"
/FD /c
+# ADD BASE MTL /nologo /D "NDEBUG" /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x809 /d "NDEBUG"
+# ADD RSC /l 0x409 /fo"Release/mod_proxy_uwsgi.res" /i "../../include" /i "../../srclib/apr/include"
/d "NDEBUG" /d BIN_NAME="mod_proxy_uwsgi.so" /d LONG_NAME="proxy_uwsgi_module for Apache"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib ws2_32.lib mswsock.lib /nologo /subsystem:windows /dll /out:".\Release\mod_proxy_uwsgi.so"
/base:@..\..\os\win32\BaseAddr.ref,mod_proxy_uwsgi.so
+# ADD LINK32 kernel32.lib ws2_32.lib mswsock.lib /nologo /subsystem:windows /dll /incremental:no
/debug /out:".\Release\mod_proxy_uwsgi.so" /base:@..\..\os\win32\BaseAddr.ref,mod_proxy_uwsgi.so
/opt:ref
+# Begin Special Build Tool
+TargetPath=.\Release\mod_proxy_uwsgi.so
+SOURCE="$(InputPath)"
+PostBuild_Desc=Embed .manifest
+PostBuild_Cmds=if exist $(TargetPath).manifest mt.exe -manifest $(TargetPath).manifest -outputresource:$(TargetPath);2
+# End Special Build Tool
+
+!ELSEIF  "$(CFG)" == "mod_proxy_uwsgi - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MDd /W3 /EHsc /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /FD /c
+# ADD CPP /nologo /MDd /W3 /EHsc /Zi /Od /I "../../include" /I "../../srclib/apr/include"
/I "../../srclib/apr-util/include" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /Fd"Debug\mod_proxy_uwsgi_src"
/FD /c
+# ADD BASE MTL /nologo /D "_DEBUG" /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x809 /d "_DEBUG"
+# ADD RSC /l 0x409 /fo"Debug/mod_proxy_uwsgi.res" /i "../../include" /i "../../srclib/apr/include"
/d "_DEBUG" /d BIN_NAME="mod_proxy_uwsgi.so" /d LONG_NAME="proxy_uwsgi_module for Apache"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib ws2_32.lib mswsock.lib /nologo /subsystem:windows /dll /incremental:no
/debug /out:".\Debug\mod_proxy_uwsgi.so" /base:@..\..\os\win32\BaseAddr.ref,mod_proxy_uwsgi.so
+# ADD LINK32 kernel32.lib ws2_32.lib mswsock.lib /nologo /subsystem:windows /dll /incremental:no
/debug /out:".\Debug\mod_proxy_uwsgi.so" /base:@..\..\os\win32\BaseAddr.ref,mod_proxy_uwsgi.so
+# Begin Special Build Tool
+TargetPath=.\Debug\mod_proxy_uwsgi.so
+SOURCE="$(InputPath)"
+PostBuild_Desc=Embed .manifest
+PostBuild_Cmds=if exist $(TargetPath).manifest mt.exe -manifest $(TargetPath).manifest -outputresource:$(TargetPath);2
+# End Special Build Tool
+
+!ENDIF 
+
+# Begin Target
+
+# Name "mod_proxy_uwsgi - Win32 Release"
+# Name "mod_proxy_uwsgi - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;hpj;bat;for;f90"
+# Begin Source File
+
+SOURCE=.\mod_proxy_uwsgi.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter ".h"
+# Begin Source File
+
+SOURCE=.\mod_proxy.h
+# End Source File
+# End Group
+# Begin Source File
+
+SOURCE=..\..\build\win32\httpd.rc
+# End Source File
+# End Target
+# End Project



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