modules/proxy/mod_proxy.c

	mod_proxy.c revision d5ea44510f258c84b08a9cecd1804cc41fabfc45
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl/* ====================================================================
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl * The Apache Software License, Version 1.1
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl *
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl * Copyright (c) 2000 The Apache Software Foundation.  All rights
98890889ffb2e8f6f722b00e265a211f13b5a861Corneliu-Claudiu Prodescu * reserved.
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl *
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl * Redistribution and use in source and binary forms, with or without
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl * modification, are permitted provided that the following conditions
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl * are met:
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl *
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl * 1. Redistributions of source code must retain the above copyright
a530dde7009b0a808300c420def741354a4d13d2Martin Kühl *    notice, this list of conditions and the following disclaimer.
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * 2. Redistributions in binary form must reproduce the above copyright
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    notice, this list of conditions and the following disclaimer in
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *    the documentation and/or other materials provided with the
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *    distribution.
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * 3. The end-user documentation included with the redistribution,
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    if any, must include the following acknowledgment:
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *       "This product includes software developed by the
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *        Apache Software Foundation (http://www.apache.org/)."
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    Alternately, this acknowledgment may appear in the software itself,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *    if and wherever such third-party acknowledgments normally appear.
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * 4. The names "Apache" and "Apache Software Foundation" must
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    not be used to endorse or promote products derived from this
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    software without prior written permission. For written
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    permission, please contact apache@apache.org.
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * 5. Products derived from this software may not be called "Apache",
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco *    nor may "Apache" appear in their name, without prior written
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *    permission of the Apache Software Foundation.
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco *
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
b9840e4ee6fda6e42fa4ee9f337482ccc4839a39Adrián Riesco * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * SUCH DAMAGE.
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco * ====================================================================
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * This software consists of voluntary contributions made by many
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco * individuals on behalf of the Apache Software Foundation.  For more
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco * information on the Apache Software Foundation, please see
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * <http://www.apache.org/>.
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco * Portions of this software are based upon public domain software
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * originally written at the National Center for Supercomputing Applications,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * University of Illinois, Urbana-Champaign.
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco */
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco
6e121321775373fe11161d23c541437456df19b4Adrián Riesco#include "mod_proxy.h"
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#define CORE_PRIVATE
6e121321775373fe11161d23c541437456df19b4Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#include "http_log.h"
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#include "http_vhost.h"
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#include "http_request.h"
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#include "util_date.h"
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco#include "mod_core.h"
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* Some WWW schemes and their default ports; this is basically /etc/services */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* This will become global when the protocol abstraction comes */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic struct proxy_services defports[] =
a74f814d3b445eadad6f68737a98a7a303698affChristian Maeder{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"http", DEFAULT_HTTP_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"ftp", DEFAULT_FTP_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"https", DEFAULT_HTTPS_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"gopher", DEFAULT_GOPHER_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"nntp", DEFAULT_NNTP_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"wais", DEFAULT_WAIS_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {"snews", DEFAULT_SNEWS_PORT},
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco    {"prospero", DEFAULT_PROSPERO_PORT},
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    {NULL, -1}          /* unknown port */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco};
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/*
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * A Web proxy module. Stages:
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *  translate_name: set filename to proxy:<URL>
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *  type_checker:   set type to PROXY_MAGIC_TYPE if filename begins proxy:
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *  fix_ups:        convert the URL stored in the filename to the
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco *                  canonical form.
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *  handler:        handle proxy requests
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* -------------------------------------------------------------- */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* Translate the URL into a 'filename' */
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic int alias_match(const char *uri, const char *alias_fakename)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    const char *end_fakename = alias_fakename + strlen(alias_fakename);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    const char *aliasp = alias_fakename, *urip = uri;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    while (aliasp < end_fakename) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (*aliasp == '/') {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        /* any number of '/' in the alias matches any number in
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco         * the supplied URI, but there must be at least one...
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco         */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        if (*urip != '/')
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        return 0;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        while (*aliasp == '/')
a74f814d3b445eadad6f68737a98a7a303698affChristian Maeder        ++aliasp;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        while (*urip == '/')
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ++urip;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        /* Other characters are compared literally */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        if (*urip++ != *aliasp++)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        return 0;
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    /* Check last alias path component matched all the way */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
6e121321775373fe11161d23c541437456df19b4Adrián Riesco    if (aliasp[-1] != '/' && *urip != '\0' && *urip != '/')
6e121321775373fe11161d23c541437456df19b4Adrián Riesco    return 0;
6e121321775373fe11161d23c541437456df19b4Adrián Riesco
6e121321775373fe11161d23c541437456df19b4Adrián Riesco    /* Return number of characters from URI which matched (may be
6e121321775373fe11161d23c541437456df19b4Adrián Riesco     * greater than length of alias, since we may have matched
6e121321775373fe11161d23c541437456df19b4Adrián Riesco     * doubled slashes)
6e121321775373fe11161d23c541437456df19b4Adrián Riesco     */
6e121321775373fe11161d23c541437456df19b4Adrián Riesco
6e121321775373fe11161d23c541437456df19b4Adrián Riesco    return urip - uri;
6e121321775373fe11161d23c541437456df19b4Adrián Riesco}
6e121321775373fe11161d23c541437456df19b4Adrián Riesco
6e121321775373fe11161d23c541437456df19b4Adrián Riesco/* Detect if an absoluteURI should be proxied or not.  Note that we
6e121321775373fe11161d23c541437456df19b4Adrián Riesco * have to do this during this phase because later phases are
6e121321775373fe11161d23c541437456df19b4Adrián Riesco * "short-circuiting"... i.e. translate_names will end when the first
6e121321775373fe11161d23c541437456df19b4Adrián Riesco * module returns OK.  So for example, if the request is something like:
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * GET http://othervhost/cgi-bin/printenv HTTP/1.0
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * mod_alias will notice the /cgi-bin part and ScriptAlias it and
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * short-circuit the proxy... just because of the ordering in the
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * configuration file.
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic int proxy_detect(request_rec *r)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    void *sconf = r->server->module_config;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *conf;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    conf = (proxy_server_conf *) ap_get_module_config(sconf, &proxy_module);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (conf->req && r->parsed_uri.scheme) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    /* but it might be something vhosted */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco       if (!(r->parsed_uri.hostname
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        && !strcasecmp(r->parsed_uri.scheme, ap_http_method(r))
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        && ap_matches_request_vhost(r, r->parsed_uri.hostname,
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco               r->parsed_uri.port_str ? r->parsed_uri.port : ap_default_port(r)))) {
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco        r->proxyreq = 1;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        r->uri = r->unparsed_uri;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        r->filename = apr_pstrcat(r->pool, "proxy:", r->uri, NULL);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco        r->handler = "proxy-server";
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco        }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    /* We need special treatment for CONNECT proxying: it has no scheme part */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else if (conf->req && r->method_number == M_CONNECT
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco         && r->parsed_uri.hostname
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco         && r->parsed_uri.port_str) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        r->proxyreq = 1;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        r->uri = r->unparsed_uri;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        r->filename = apr_pstrcat(r->pool, "proxy:", r->uri, NULL);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        r->handler = "proxy-server";
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return DECLINED;
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riescostatic int proxy_trans(request_rec *r)
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    void *sconf = r->server->module_config;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *conf =
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    (proxy_server_conf *) ap_get_module_config(sconf, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int i, len;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct proxy_alias *ent = (struct proxy_alias *) conf->aliases->elts;
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    if (r->proxyreq) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    /* someone has already set up the proxy, it was possibly ourselves
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     * in proxy_detect
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     */
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco    return OK;
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    }
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco    /* XXX: since r->uri has been manipulated already we're not really
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco     * compliant with RFC1945 at this point.  But this probably isn't
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco     * an issue because this is a hybrid proxy/origin server.
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco     */
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    for (i = 0; i < conf->aliases->nelts; i++) {
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        len = alias_match(r->uri, ent[i].fake);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
ab9c6be005cb2af851307b7968c2baa16a76d6b1Adrián Riesco       if (len > 0) {
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco           r->filename = apr_pstrcat(r->pool, "proxy:", ent[i].real,
5eb747ed1f9cb3d902d4277badfc2a42f9f98b0cAdrián Riesco                                 r->uri + len, NULL);
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco           r->handler = "proxy-server";
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco           r->proxyreq = 1;
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco           return OK;
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    }
3f8cdebaede9921402318d525b57a9af8f9279d3Adrián Riesco    }
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco    return DECLINED;
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco}
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* -------------------------------------------------------------- */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* Fixup the filename */
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco/*
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco * Canonicalise the URL
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco */
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riescostatic int proxy_fixup(request_rec *r)
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco{
8b389272b3312c6d3e3c0aee2e94bca6dbdade50Adrián Riesco    char *url, *p;
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco    if (!r->proxyreq || strncmp(r->filename, "proxy:", 6) != 0)
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    return DECLINED;
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco
0f593bb6e3f0bc82abf3d6d3c76ef222a43d0476Adrián Riesco    url = &r->filename[6];
0f593bb6e3f0bc82abf3d6d3c76ef222a43d0476Adrián Riesco
8b389272b3312c6d3e3c0aee2e94bca6dbdade50Adrián Riesco/* canonicalise each specific scheme */
8b389272b3312c6d3e3c0aee2e94bca6dbdade50Adrián Riesco    if (strncasecmp(url, "http:", 5) == 0)
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    return ap_proxy_http_canon(r, url + 5, "http", DEFAULT_HTTP_PORT);
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco#if FTP
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    else if (strncasecmp(url, "ftp:", 4) == 0)
8b389272b3312c6d3e3c0aee2e94bca6dbdade50Adrián Riesco    return ap_proxy_ftp_canon(r, url + 4);
8b389272b3312c6d3e3c0aee2e94bca6dbdade50Adrián Riesco#endif
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    p = strchr(url, ':');
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco    if (p == NULL || p == url)
8b389272b3312c6d3e3c0aee2e94bca6dbdade50Adrián Riesco    return HTTP_BAD_REQUEST;
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco
6d498b6f56ed9f71cced898b6c42fb48f6e60583Adrián Riesco    return OK;      /* otherwise; we've done the best we can */
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco}
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco/* Send a redirection if the request contains a hostname which is not */
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco/* fully qualified, i.e. doesn't have a domain name appended. Some proxy */
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco/* servers like Netscape's allow this and access hosts from the local */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco/* domain in this case. I think it is better to redirect to a FQDN, since */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco/* these will later be found in the bookmarks files. */
a74f814d3b445eadad6f68737a98a7a303698affChristian Maeder/* The "ProxyDomain" directive determines what domain will be appended */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riescostatic int proxy_needsdomain(request_rec *r, const char *url, const char *domain)
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco{
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    char *nuri;
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    const char *ref;
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    /* We only want to worry about GETs */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    if (!r->proxyreq || r->method_number != M_GET || !r->parsed_uri.hostname)
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    return DECLINED;
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    /* If host does contain a dot already, or it is "localhost", decline */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    if (strchr(r->parsed_uri.hostname, '.') != NULL
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco     || strcasecmp(r->parsed_uri.hostname, "localhost") == 0)
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    return DECLINED;    /* host name has a dot already */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    ref = apr_table_get(r->headers_in, "Referer");
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    /* Reassemble the request, but insert the domain after the host name */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    /* Note that the domain name always starts with a dot */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    r->parsed_uri.hostname = apr_pstrcat(r->pool, r->parsed_uri.hostname,
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco                     domain, NULL);
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    nuri = ap_unparse_uri_components(r->pool,
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco                  &r->parsed_uri,
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco                  UNP_REVEALPASSWORD);
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    apr_table_set(r->headers_out, "Location", nuri);
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    ap_log_rerror(APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, 0, r,
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco        "Domain missing: %s sent to %s%s%s", r->uri,
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco        ap_unparse_uri_components(r->pool, &r->parsed_uri,
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco              UNP_OMITUSERINFO),
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco        ref ? " from " : "", ref ? ref : "");
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    return HTTP_MOVED_PERMANENTLY;
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco}
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco/* -------------------------------------------------------------- */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco/* Invoke handler */
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riescostatic int proxy_handler(request_rec *r)
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco{
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    char *url, *scheme, *p;
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    const char *p2;
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco    void *sconf = r->server->module_config;
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    proxy_server_conf *conf = (proxy_server_conf *)
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco        ap_get_module_config(sconf, &proxy_module);
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    apr_array_header_t *proxies = conf->proxies;
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    struct proxy_remote *ents = (struct proxy_remote *) proxies->elts;
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    int i, rc;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    int direct_connect = 0;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    const char *maxfwd_str;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    const char *pragma, *auth, *imstr;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco    if (!r->proxyreq || strncmp(r->filename, "proxy:", 6) != 0)
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    return DECLINED;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    if (r->method_number == M_TRACE &&
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    (maxfwd_str = apr_table_get(r->headers_in, "Max-Forwards")) != NULL) {
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    long maxfwd = strtol(maxfwd_str, NULL, 10);
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    if (maxfwd < 1) {
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco        int access_status;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco        r->proxyreq = 0;
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        if ((access_status = ap_send_http_trace(r)))
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        ap_die(access_status, r);
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        else
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        ap_finalize_request_protocol(r);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco        return OK;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    }
b9840e4ee6fda6e42fa4ee9f337482ccc4839a39Adrián Riesco    apr_table_setn(r->headers_in, "Max-Forwards",
b9840e4ee6fda6e42fa4ee9f337482ccc4839a39Adrián Riesco              apr_psprintf(r->pool, "%ld", (maxfwd > 0) ? maxfwd-1 : 0));
b9840e4ee6fda6e42fa4ee9f337482ccc4839a39Adrián Riesco    }
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    return rc;
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco
0be63c5d4b5e66cc600a0003081ae2bf85be9615Adrián Riesco    url = r->filename + 6;
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    p = strchr(url, ':');
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    if (p == NULL)
0be63c5d4b5e66cc600a0003081ae2bf85be9615Adrián Riesco    return HTTP_BAD_REQUEST;
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    pragma = apr_table_get(r->headers_in, "Pragma");
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    auth = apr_table_get(r->headers_in, "Authorization");
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    imstr = apr_table_get(r->headers_in, "If-Modified-Since");
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, NULL,
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco                 "Request for %s, pragma=%s, auth=%s, imstr=%s", url,
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco                 pragma, auth, imstr);
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    /* If the host doesn't have a domain name, add one and redirect. */
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    if (conf->domain != NULL) {
fe5611d78ea0648e8719cb004a6a26e9a033429aAdrián Riesco    rc = proxy_needsdomain(r, url, conf->domain);
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    if (ap_is_HTTP_REDIRECT(rc))
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco        return HTTP_MOVED_PERMANENTLY;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    }
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    *p = '\0';
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco    scheme = apr_pstrdup(r->pool, url);
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco    *p = ':';
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco
b9840e4ee6fda6e42fa4ee9f337482ccc4839a39Adrián Riesco    /* Check URI's destination host against NoProxy hosts */
b9840e4ee6fda6e42fa4ee9f337482ccc4839a39Adrián Riesco    /* Bypass ProxyRemote server lookup if configured as NoProxy */
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco    /* we only know how to handle communication to a proxy via http */
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    /*if (strcasecmp(scheme, "http") == 0) */
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    {
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    int ii;
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    struct dirconn_entry *list = (struct dirconn_entry *) conf->dirconn->elts;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    for (direct_connect = ii = 0; ii < conf->dirconn->nelts && !direct_connect; ii++) {
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        direct_connect = list[ii].matcher(&list[ii], r);
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco    }
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco#if DEBUGGING
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ap_log_rerror(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, r,
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco             (direct_connect) ? "NoProxy for %s" : "UseProxy for %s",
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco             r->uri);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco#endif
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    }
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco/* firstly, try a proxy, unless a NoProxy directive is active */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    if (!direct_connect)
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    for (i = 0; i < proxies->nelts; i++) {
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco            p2 = ap_strchr_c(ents[i].scheme, ':');  /* is it a partial URL? */
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        if (strcmp(ents[i].scheme, "*") == 0 ||
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco        (p2 == NULL && strcasecmp(scheme, ents[i].scheme) == 0) ||
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco        (p2 != NULL &&
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco           strncasecmp(url, ents[i].scheme, strlen(ents[i].scheme)) == 0)) {
223be434693e8c97e2522ac19155a284b3536035Adrián Riesco        /* CONNECT is a special method that bypasses the normal
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco         * proxy code.
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco         */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco        if (r->method_number == M_CONNECT)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco            rc = ap_proxy_connect_handler(r, url, ents[i].hostname,
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco                           ents[i].port);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco/* we only know how to handle communication to a proxy via http */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco        else if (strcasecmp(ents[i].protocol, "http") == 0)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco            rc = ap_proxy_http_handler(r, url, ents[i].hostname,
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco                        ents[i].port);
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco        else
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco            rc = DECLINED;
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco        /* an error or success */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco        if (rc != DECLINED && rc != HTTP_BAD_GATEWAY)
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco            return rc;
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco        /* we failed to talk to the upstream proxy */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco        }
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    }
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco/* otherwise, try it direct */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco/* N.B. what if we're behind a firewall, where we must use a proxy or
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco * give up??
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    /* handle the scheme */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    if (r->method_number == M_CONNECT)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    return ap_proxy_connect_handler(r, url, NULL, 0);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    if (strcasecmp(scheme, "http") == 0)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    return ap_proxy_http_handler(r, url, NULL, 0);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco#if FTP
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    if (strcasecmp(scheme, "ftp") == 0)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    return ap_proxy_ftp_handler(r, NULL, url);
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco#endif
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    else
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    return HTTP_FORBIDDEN;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco}
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco/* -------------------------------------------------------------- */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco/* Setup configurable data */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riescostatic void * create_proxy_config(apr_pool_t *p, server_rec *s)
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco{
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    proxy_server_conf *ps = ap_pcalloc(p, sizeof(proxy_server_conf));
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->proxies = ap_make_array(p, 10, sizeof(struct proxy_remote));
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->aliases = ap_make_array(p, 10, sizeof(struct proxy_alias));
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->raliases = ap_make_array(p, 10, sizeof(struct proxy_alias));
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->noproxies = ap_make_array(p, 10, sizeof(struct noproxy_entry));
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->dirconn = ap_make_array(p, 10, sizeof(struct dirconn_entry));
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->nocaches = ap_make_array(p, 10, sizeof(struct nocache_entry));
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->allowed_connect_ports = ap_make_array(p, 10, sizeof(int));
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->cache_completion = DEFAULT_CACHE_COMPLETION;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->domain = NULL;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->viaopt = via_off; /* initially backward compatible with 1.3.1 */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->viaopt_set = 0; /* 0 means default */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->req = 0;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->req_set = 0;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->recv_buffer_size = 0; /* this default was left unset for some reason */
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->recv_buffer_size_set = 0;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    return ps;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco}
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riescostatic void * merge_proxy_config(apr_pool_t *p, void *basev, void *overridesv)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco{
7fc57d0f02d0fec1192376ccebe2be0224cb9a55Adrián Riesco    proxy_server_conf *ps = ap_pcalloc(p, sizeof(proxy_server_conf));
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    proxy_server_conf *base = (proxy_server_conf *) basev;
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    proxy_server_conf *overrides = (proxy_server_conf *) overridesv;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->proxies = ap_append_arrays(p, base->proxies, overrides->proxies);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->aliases = ap_append_arrays(p, base->aliases, overrides->aliases);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->raliases = ap_append_arrays(p, base->raliases, overrides->raliases);
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->noproxies = ap_append_arrays(p, base->noproxies, overrides->noproxies);
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->dirconn = ap_append_arrays(p, base->dirconn, overrides->dirconn);
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    ps->nocaches = ap_append_arrays(p, base->nocaches, overrides->nocaches);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->allowed_connect_ports = ap_append_arrays(p, base->allowed_connect_ports, overrides->allowed_connect_ports);
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->domain = (overrides->domain == NULL) ? base->domain : overrides->domain;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->viaopt = (overrides->viaopt_set == 0) ? base->viaopt : overrides->viaopt;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->req = (overrides->req_set == 0) ? base->req : overrides->req;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    ps->recv_buffer_size = (overrides->recv_buffer_size_set == 0) ? base->recv_buffer_size : overrides->recv_buffer_size;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    return ps;
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco}
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riescostatic const char *
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco    add_proxy(cmd_parms *cmd, void *dummy, const char *f1, const char *r1)
aea9000fc94442cbfc92596f4264473c0fce51e4Adrián Riesco{
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    server_rec *s = cmd->server;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    proxy_server_conf *conf =
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    (proxy_server_conf *) ap_get_module_config(s->module_config, &proxy_module);
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    struct proxy_remote *new;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    char *p, *q;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    char *r, *f;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    int port;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    r = apr_pstrdup(cmd->pool, r1);
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    f = apr_pstrdup(cmd->pool, f1);
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    p = strchr(r, ':');
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    if (p == NULL || p[1] != '/' || p[2] != '/' || p[3] == '\0')
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    return "ProxyRemote: Bad syntax for a remote proxy server";
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    q = strchr(p + 3, ':');
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    if (q != NULL) {
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    if (sscanf(q + 1, "%u", &port) != 1 || port > 65535)
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco        return "ProxyRemote: Bad syntax for a remote proxy server (bad port number)";
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    *q = '\0';
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    }
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    else
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    port = -1;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    *p = '\0';
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    if (strchr(f, ':') == NULL)
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    ap_str_tolower(f);      /* lowercase scheme */
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    ap_str_tolower(p + 3);      /* lowercase hostname */
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    if (port == -1) {
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    int i;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    for (i = 0; defports[i].scheme != NULL; i++)
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco        if (strcasecmp(defports[i].scheme, r) == 0)
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco        break;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    port = defports[i].port;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    }
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    new = apr_array_push(conf->proxies);
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    new->scheme = f;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    new->protocol = r;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    new->hostname = p + 3;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    new->port = port;
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riescostatic const char *
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    set_cache_exclude(cmd_parms *cmd, void *dummy, const char *arg)
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    server_rec *s = cmd->server;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *psf = (proxy_server_conf *) ap_get_module_config(s->module_config, &proxy_module);
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    struct nocache_entry *new;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct nocache_entry *list = (struct nocache_entry *) psf->nocaches->elts;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct hostent hp;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    int found = 0;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    int i;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    /* Don't duplicate entries */
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    for (i = 0; i < psf->nocaches->nelts; i++) {
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    if (strcasecmp(arg, list[i].name) == 0) /* ignore case for host names */
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco        found = 1;
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco    }
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    if (!found) {
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco        new = apr_array_push(psf->nocaches);
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco        new->name = arg;
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco        /* Don't do name lookups on things that aren't dotted */
71410be62420b321abb02ef1ac2b7f2141b3bc7fAdrián Riesco        if (ap_strchr_c(arg, '.') != NULL &&
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco            ap_proxy_host2addr(new->name, &hp) == NULL)
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco           /*@@@FIXME: This copies only the first of (possibly many) IP addrs */            memcpy(&new->addr, hp.h_addr, sizeof(struct in_addr));
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        else
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco            new->addr.s_addr = 0;
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    }
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    return NULL;
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    add_pass(cmd_parms *cmd, void *dummy, const char *f, const char *r)
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco{
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    server_rec *s = cmd->server;
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco    proxy_server_conf *conf =
357381f0a999099cd2d4c268006df56b47847d68Adrián Riesco    (proxy_server_conf *) ap_get_module_config(s->module_config, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct proxy_alias *new;
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new = apr_array_push(conf->aliases);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new->fake = f;
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    new->real = r;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    add_pass_reverse(cmd_parms *cmd, void *dummy, const char *f, const char *r)
6b2e3d60f2e2c230c9637bf0701d7024d289764dAdrián Riesco{
172f4dfb4b858440fab545bac00d3ec4abd0cbe4Adrián Riesco    server_rec *s = cmd->server;
172f4dfb4b858440fab545bac00d3ec4abd0cbe4Adrián Riesco    proxy_server_conf *conf;
172f4dfb4b858440fab545bac00d3ec4abd0cbe4Adrián Riesco    struct proxy_alias *new;
172f4dfb4b858440fab545bac00d3ec4abd0cbe4Adrián Riesco
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    conf = (proxy_server_conf *)ap_get_module_config(s->module_config,
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco                                                  &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new = apr_array_push(conf->raliases);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new->fake = f;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new->real = r;
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco    return NULL;
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco}
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    set_proxy_exclude(cmd_parms *parms, void *dummy, const char *arg)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    server_rec *s = parms->server;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *conf =
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco    ap_get_module_config(s->module_config, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct noproxy_entry *new;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct noproxy_entry *list = (struct noproxy_entry *) conf->noproxies->elts;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct hostent hp;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int found = 0;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int i;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    /* Don't duplicate entries */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    for (i = 0; i < conf->noproxies->nelts; i++) {
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco    if (strcasecmp(arg, list[i].name) == 0) /* ignore case for host names */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        found = 1;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (!found) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new = apr_array_push(conf->noproxies);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    new->name = arg;
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    /* Don't do name lookups on things that aren't dotted */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        if (ap_strchr_c(arg, '.') != NULL &&
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco          ap_proxy_host2addr(new->name, &hp) == NULL)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        /*@@@FIXME: This copies only the first of (possibly many) IP addrs */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        memcpy(&new->addr, hp.h_addr, sizeof(struct in_addr));
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        new->addr.s_addr = 0;
c2b9205d94467085f8b07c294c86493d55427074Adrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/*
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * Set the ports CONNECT can use
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco    set_allowed_ports(cmd_parms *parms, void *dummy, const char *arg)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    server_rec *s = parms->server;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *conf =
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco      ap_get_module_config(s->module_config, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int *New;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (!apr_isdigit(arg[0]))
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return "AllowCONNECT: port number must be numeric";
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
0f35e410ce3d3202f6769e9d139ad26d1de69b8eAdrián Riesco    New = apr_array_push(conf->allowed_connect_ports);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    *New = atoi(arg);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco/* Similar to set_proxy_exclude(), but defining directly connected hosts,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco * which should never be accessed via the configured ProxyRemote servers
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    set_proxy_dirconn(cmd_parms *parms, void *dummy, const char *arg)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    server_rec *s = parms->server;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *conf =
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    ap_get_module_config(s->module_config, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct dirconn_entry *New;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    struct dirconn_entry *list = (struct dirconn_entry *) conf->dirconn->elts;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int found = 0;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int i;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    /* Don't duplicate entries */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    for (i = 0; i < conf->dirconn->nelts; i++) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (strcasecmp(arg, list[i].name) == 0)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        found = 1;
c1cf2f634a37116ff90e99ca710179a23115cbfbAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
6f6549c13f912de12345850e4eb248ec358c1b43Adrián Riesco    if (!found) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    New = apr_array_push(conf->dirconn);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        New->name = apr_pstrdup(parms->pool, arg);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    New->hostentry = NULL;
6f6549c13f912de12345850e4eb248ec358c1b43Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (ap_proxy_is_ipaddr(New, parms->pool)) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#if DEBUGGING
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco                         "Parsed addr %s", inet_ntoa(New->addr));
172f4dfb4b858440fab545bac00d3ec4abd0cbe4Adrián Riesco        ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
d72e314a1952b4418fb1c98b17dbab0d16bba585Adrián Riesco                         "Parsed mask %s", inet_ntoa(New->mask));
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#endif
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else if (ap_proxy_is_domainname(New, parms->pool)) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ap_str_tolower(New->name);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#if DEBUGGING
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco                         "Parsed domain %s", New->name);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#endif
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else if (ap_proxy_is_hostname(New, parms->pool)) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ap_str_tolower(New->name);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#if DEBUGGING
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco                         "Parsed host %s", New->name);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#endif
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
3b1e33dd8d2de8301d7a31860dd1819bd3752718Adrián Riesco    else {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        ap_proxy_is_word(New, parms->pool);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#if DEBUGGING
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        fprintf(stderr, "Parsed word %s\n", New->name);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco#endif
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    set_proxy_domain(cmd_parms *parms, void *dummy, const char *arg)
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco{
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    proxy_server_conf *psf =
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    ap_get_module_config(parms->server->module_config, &proxy_module);
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    if (arg[0] != '.')
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    return "ProxyDomain: domain name must start with a dot.";
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    psf->domain = arg;
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char *
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    set_proxy_req(cmd_parms *parms, void *dummy, int flag)
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco{
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    proxy_server_conf *psf =
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    ap_get_module_config(parms->server->module_config, &proxy_module);
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    psf->req = flag;
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    psf->req_set = 1;
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    return NULL;
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco}
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riescostatic const char *
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    set_recv_buffer_size(cmd_parms *parms, void *dummy, const char *arg)
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco{
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    proxy_server_conf *psf =
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    ap_get_module_config(parms->server->module_config, &proxy_module);
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    int s = atoi(arg);
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    if (s < 512 && s != 0) {
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    return "ProxyReceiveBufferSize must be >= 512 bytes, or 0 for system default.";
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    }
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    psf->recv_buffer_size = s;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    psf->recv_buffer_size_set = 1;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char*
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    set_via_opt(cmd_parms *parms, void *dummy, const char *arg)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *psf =
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    ap_get_module_config(parms->server->module_config, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (strcasecmp(arg, "Off") == 0)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        psf->viaopt = via_off;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else if (strcasecmp(arg, "On") == 0)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        psf->viaopt = via_on;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else if (strcasecmp(arg, "Block") == 0)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        psf->viaopt = via_block;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else if (strcasecmp(arg, "Full") == 0)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        psf->viaopt = via_full;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    else {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return "ProxyVia must be one of: "
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco               "off | on | full | block";
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    psf->viaopt_set = 1;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const char*
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    set_cache_completion(cmd_parms *parms, void *dummy, const char *arg)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    proxy_server_conf *psf = ap_get_module_config(parms->server->module_config, &proxy_module);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    int s = atoi(arg);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (s > 100 || s < 0) {
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco        return "CacheForceCompletion must be <= 100 percent, "
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco               "or 0 for system default.";
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    }
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    if (s > 0)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco      psf->cache_completion = ((float)s / 100);
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    return NULL;
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic const command_rec proxy_cmds[] =
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_FLAG("ProxyRequests", set_proxy_req, NULL, RSRC_CONF,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     "on if the true proxy requests should be accepted"),
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_TAKE2("ProxyRemote", add_proxy, NULL, RSRC_CONF,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     "a scheme, partial URL or '*' and a proxy server"),
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_TAKE2("ProxyPass", add_pass, NULL, RSRC_CONF,
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco     "a virtual path and a URL"),
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    AP_INIT_TAKE2("ProxyPassReverse", add_pass_reverse, NULL, RSRC_CONF,
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco     "a virtual path and a URL for reverse proxy behaviour"),
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    AP_INIT_ITERATE("ProxyBlock", set_proxy_exclude, NULL, RSRC_CONF,
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco     "A list of names, hosts or domains to which the proxy will not connect"),
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    AP_INIT_TAKE1("ProxyReceiveBufferSize", set_recv_buffer_size, NULL, RSRC_CONF,
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco     "Receive buffer size for outgoing HTTP and FTP connections in bytes"),
fecce42517d20490f893c4a9dee29b000e1653eaAdrián Riesco    AP_INIT_ITERATE("NoProxy", set_proxy_dirconn, NULL, RSRC_CONF,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     "A list of domains, hosts, or subnets to which the proxy will connect directly"),
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_TAKE1("ProxyDomain", set_proxy_domain, NULL, RSRC_CONF,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     "The default intranet domain name (in absence of a domain in the URL)"),
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_ITERATE("AllowCONNECT", set_allowed_ports, NULL, RSRC_CONF,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     "A list of ports which CONNECT may connect to"),
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_TAKE1("ProxyVia", set_via_opt, NULL, RSRC_CONF,
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco     "Configure Via: proxy header header to one of: on | off | block | full"),
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    AP_INIT_ITERATE("ProxyNoCache", set_cache_exclude, NULL, RSRC_CONF,
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco     "A list of names, hosts or domains for which caching is *not* provided"),
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    AP_INIT_TAKE1("ProxyCacheForceCompletion", set_cache_completion, NULL, RSRC_CONF,
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco     "Force a http cache completion after this percentage is loaded"),
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco    {NULL}
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco};
0f77efdcc159eee5682aabf2b9a3c178c467b466Adrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescostatic void register_hooks(apr_pool_t *p)
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    /* handler */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    ap_hook_handler(proxy_handler, NULL, NULL, APR_HOOK_FIRST);
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    /* filename-to-URI translation */
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    ap_hook_translate_name(proxy_trans, NULL, NULL, APR_HOOK_FIRST);
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    /* fixups */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    ap_hook_fixups(proxy_fixup, NULL, NULL, APR_HOOK_FIRST);
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    /* post read_request handling */
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    ap_hook_post_read_request(proxy_detect, NULL, NULL, APR_HOOK_FIRST);
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco}
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riescomodule AP_MODULE_DECLARE_DATA proxy_module =
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco{
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco    STANDARD20_MODULE_STUFF,
51c15129e8118fed5c33c334f8df82619ce98e7dAdrián Riesco    NULL,           /* create per-directory config structure */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    NULL,           /* merge per-directory config structures */
7474965b2e6323002c96c0b39a59843cde201870Adrián Riesco    create_proxy_config,    /* create per-server config structure */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    merge_proxy_config,     /* merge per-server config structures */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    proxy_cmds,         /* command table */
27aad79faa0eec8d0e7dda32bca710db95bd2d0aAdrián Riesco    register_hooks
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco};
5318901bb69bf247e0f341312c800ba4ea87e46bAdrián Riesco