mod_proxy.c revision b9b3cd7661ec354e0eee71116faa1e4afdf3fcdc
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess/* Copyright 1999-2004 The Apache Software Foundation
fd9abdda70912b99b24e3bf1a38f26fde908a74cnd * Licensed under the Apache License, Version 2.0 (the "License");
fd9abdda70912b99b24e3bf1a38f26fde908a74cnd * you may not use this file except in compliance with the License.
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess * You may obtain a copy of the License at
96ad5d81ee4a2cc66a4ae19893efc8aa6d06fae7jailletc * Unless required by applicable law or agreed to in writing, software
5a58787efeb02a1c3f06569d019ad81fd2efa06end * distributed under the License is distributed on an "AS IS" BASIS,
5a58787efeb02a1c3f06569d019ad81fd2efa06end * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
d29d9ab4614ff992b0e8de6e2b88d52b6f1f153erbowen * See the License for the specific language governing permissions and
2e545ce2450a9953665f701bb05350f0d3f26275nd * limitations under the License.
ad74a0524a06bfe11b7de9e3b4ce7233ab3bd3f7ndAPR_DECLARE_OPTIONAL_FN(int, ssl_proxy_enable, (conn_rec *));
d05d0eb4ae6d2a5e513fc3bf2555ce33da416634ndAPR_DECLARE_OPTIONAL_FN(int, ssl_engine_disable, (conn_rec *));
d474d8ef01ec5c2a09341cd148851ed383c3287crbowen#define MAX(x,y) ((x) >= (y) ? (x) : (y))
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen * A Web proxy module. Stages:
d565edaec710102f7e7d06252aaf1de67b7ddd25rbowen * translate_name: set filename to proxy:<URL>
0e13d2a04f8c7cb647556e890bb69d5789a31ce1nd * map_to_storage: run proxy_walk (rather than directory_walk/file_walk)
0e13d2a04f8c7cb647556e890bb69d5789a31ce1nd * can't trust directory_walk/file_walk since these are
2bd55c0d474884fe40c4a081efcbd82bc1c913a8rbowen * not in our filesystem. Prevents mod_http from serving
b21197dc8e6b8c764fdcc24d4bae8b0eebb6bc4end * the TRACE request we will set aside to handle later.
2bd55c0d474884fe40c4a081efcbd82bc1c913a8rbowen * type_checker: set type to PROXY_MAGIC_TYPE if filename begins proxy:
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen * fix_ups: convert the URL stored in the filename to the
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen * canonical form.
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen * handler: handle proxy requests
10ca15b877e1d7f36b5d4ccd0a38e984cd635da4rbowen/* -------------------------------------------------------------- */
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen/* Translate the URL into a 'filename' */
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen/* XXX: EBCDIC safe? --nd */
5a58787efeb02a1c3f06569d019ad81fd2efa06end ? (x - '0') \
2bd55c0d474884fe40c4a081efcbd82bc1c913a8rbowenstatic unsigned char hex2c(const char* p) {
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess } while (0)
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen const char *key,
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen const char *val)
1855f4a7304fe643dd91b222128facaa185753e8erikabele if (worker->lbfactor < 1 || worker->lbfactor > 100)
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess return "LoadFactor must be number between 1..100";
9bcfc3697a91b5215893a7d0206865b13fc72148nd return "Retry must be at least one second";
ad74a0524a06bfe11b7de9e3b4ce7233ab3bd3f7nd return "TTL must be at least one second";
3b3b7fc78d1f5bfc2769903375050048ff41ff26nd return "Min must be a positive number";
7fec19672a491661b2fe4b29f685bc7f4efa64d4nd return "Max must be a positive number";
if (ival < 0)
return NULL;
const char *key,
const char *val)
int ival;
return NULL;
++aliasp;
++urip;
#ifndef FIX_15207
* GET http://othervhost/cgi-bin/printenv HTTP/1.0
#ifdef FIX_15207
int i, len;
: ap_default_port(r))))) {
#ifdef FIX_15207
if (len > 0) {
return DECLINED;
#ifndef FIX_15207
int i, len;
if (r->proxyreq) {
return OK;
#ifndef FIX_15207
if (len > 0) {
return DECLINED;
return OK;
return DECLINED;
&proxy_module);
for (j = 0; j < num_sec; ++j)
if (entry_proxy->r
return OK;
int access_status;
return DECLINED;
return access_status;
return OK;
#ifndef FIX_15207
char *url, *p;
int access_status;
return DECLINED;
#ifdef FIX_15207
return OK;
return access_status;
return HTTP_BAD_REQUEST;
char *nuri;
const char *ref;
return DECLINED;
&r->parsed_uri,
return HTTP_MOVED_PERMANENTLY;
const char *p2;
int direct_connect = 0;
const char *str;
long maxfwd;
return DECLINED;
switch (r->method_number) {
case M_TRACE: {
int access_status;
return OK;
case M_OPTIONS: {
int access_status;
return OK;
if (p == NULL) {
return HTTP_BAD_REQUEST;
return HTTP_MOVED_PERMANENTLY;
int ii;
#if DEBUGGING
r->uri);
return access_status;
if (!direct_connect) {
goto cleanup;
goto cleanup;
if (balancer) {
return access_status;
return ps;
ps->allowed_connect_ports = apr_array_append(p, base->allowed_connect_ports, overrides->allowed_connect_ports);
ps->recv_buffer_size = (overrides->recv_buffer_size_set == 0) ? base->recv_buffer_size : overrides->recv_buffer_size;
ps->io_buffer_size = (overrides->io_buffer_size_set == 0) ? base->io_buffer_size : overrides->io_buffer_size;
ps->error_override = (overrides->error_override_set == 0) ? base->error_override : overrides->error_override;
ps->preserve_host = (overrides->preserve_host_set == 0) ? base->preserve_host : overrides->preserve_host;
return ps;
return (void *) new;
return new;
char *r, *f, *scheme;
int port;
if (regex)
scheme[p-r] = 0;
if (q != NULL) {
if (regex)
if (regex) {
if (!reg)
return NULL;
char *r = NULL;
char *word;
while (*arg) {
f = word;
r = word;
if (!val) {
if (r == NULL)
if (!balancer) {
conf, r);
if (err)
if (err)
if (!worker) {
if (err)
if (err)
return NULL;
&proxy_module);
if ( r == NULL)
return NULL;
&proxy_module);
return NULL;
&proxy_module);
return NULL;
int found = 0;
if (!found) {
return NULL;
int *New;
return NULL;
int found = 0;
if (!found) {
#if DEBUGGING
#if DEBUGGING
#if DEBUGGING
#if DEBUGGING
return NULL;
return NULL;
return NULL;
return NULL;
return NULL;
return NULL;
return NULL;
return NULL;
int timeout;
return NULL;
return NULL;
return NULL;
return NULL;
char *word;
while (*arg) {
if (!path)
else if (!name)
if (!val)
if (!path)
if (!name)
if (!worker) {
const char *err;
if (err)
if (!balancer) {
if (err)
return NULL;
const char *err;
if (!balancer) {
if (!worker) {
while (*arg) {
if (!val) {
if (worker)
if (err)
return NULL;
&proxy_module);
const char *errmsg;
return err;
if (!arg) {
return errmsg;
conf->r = r;
return NULL;
{NULL}
if (proxy_ssl_enable) {
if (proxy_ssl_disable) {
return proxy_ssl_disable(c);
return OK;
return OK;
++worker;
++balancer;
return OK;
return OK;
#ifndef FIX_15207
#ifndef FIX_15207
request_rec *r,
request_rec *r,
(request_rec *r), (r),