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-/* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- *
- * Portions of this software are based upon public domain software
- * originally written at the National Center for Supercomputing Applications,
- * University of Illinois, Urbana-Champaign.
- */
-
-#ifndef MOD_PROXY_H
-#define MOD_PROXY_H
-
-/*
- * Main include file for the Apache proxy
- */
-
-/*
-
- Note that the Explain() stuff is not yet complete.
- Also note numerous FIXMEs and CHECKMEs which should be eliminated.
-
- If TESTING is set, then garbage collection doesn't delete ... probably a good
- idea when hacking.
-
- This code is once again experimental!
-
- Things to do:
-
- 1. Make it completely work (for FTP too)
-
- 2. HTTP/1.1
-
- 3. Cache issues
-
- Chuck Murcko <chuck@topsail.org> 02-06-01
-
- */
-
-#define TESTING 0
-#undef EXPLAIN
-
-#include "apr_compat.h"
-#include "apr_lib.h"
-#include "apr_strings.h"
-
-#if APR_HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#if APR_HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#if APR_HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#if APR_HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-
-#include "httpd.h"
-#include "http_config.h"
-#include "http_protocol.h"
-#include "proxy_cache.h"
-
-
-extern module AP_MODULE_DECLARE_DATA proxy_module;
-
-
-/* for proxy_canonenc() */
-enum enctype {
- enc_path, enc_search, enc_user, enc_fpath, enc_parm
-};
-
-#define HDR_APP (0) /* append header, for proxy_add_header() */
-#define HDR_REP (1) /* replace header, for proxy_add_header() */
-
-#if APR_CHARSET_EBCDIC
-#define CRLF "\r\n"
-#else /*APR_CHARSET_EBCDIC*/
-#define CRLF "\015\012"
-#endif /*APR_CHARSET_EBCDIC*/
-
-#define DEFAULT_FTP_DATA_PORT 20
-#define DEFAULT_FTP_PORT 21
-#define DEFAULT_GOPHER_PORT 70
-#define DEFAULT_NNTP_PORT 119
-#define DEFAULT_WAIS_PORT 210
-#define DEFAULT_HTTPS_PORT 443
-#define DEFAULT_SNEWS_PORT 563
-#define DEFAULT_PROSPERO_PORT 1525 /* WARNING: conflict w/Oracle */
-
-#define DEFAULT_CACHE_COMPLETION (0.9)
-/* Some WWW schemes and their default ports; this is basically /etc/services */
-struct proxy_services {
- const char *scheme;
- int port;
-};
-
-/* static information about a remote proxy */
-struct proxy_remote {
- const char *scheme; /* the schemes handled by this proxy, or '*' */
- const char *protocol; /* the scheme used to talk to this proxy */
- const char *hostname; /* the hostname of this proxy */
- int port; /* the port for this proxy */
-};
-
-struct proxy_alias {
- const char *real;
- const char *fake;
-};
-
-struct dirconn_entry {
- char *name;
- struct in_addr addr, mask;
- struct hostent *hostentry;
- int (*matcher) (struct dirconn_entry * This, request_rec *r);
-};
-
-struct noproxy_entry {
- const char *name;
- struct in_addr addr;
-};
-
-struct nocache_entry {
- const char *name;
- struct in_addr addr;
-};
-
-typedef struct {
- apr_array_header_t *proxies;
- apr_array_header_t *aliases;
- apr_array_header_t *raliases;
- apr_array_header_t *noproxies;
- apr_array_header_t *dirconn;
- apr_array_header_t *nocaches;
- apr_array_header_t *allowed_connect_ports;
- const char *domain; /* domain name to use in absence of a domain name in the request */
- int req; /* true if proxy requests are enabled */
- float cache_completion; /* Force cache completion after this point */
- enum {
- via_off,
- via_on,
- via_block,
- via_full
- } viaopt; /* how to deal with proxy Via: headers */
- size_t recv_buffer_size;
- ap_cache_handle_t *cache;
-} proxy_server_conf;
-
-struct per_thread_data {
- struct hostent hpbuf;
- u_long ipaddr;
- char *charpbuf[2];
-};
-
-typedef struct {
- float cache_completion; /* completion percentage */
- int content_length; /* length of the content */
-} proxy_completion;
-
-
-/* Function prototypes */
-
-/* proxy_connect.c */
-
-int ap_proxy_connect_handler(request_rec *r, char *url,
- const char *proxyhost, int proxyport);
-
-/* proxy_ftp.c */
-
-int ap_proxy_ftp_canon(request_rec *r, char *url);
-int ap_proxy_ftp_handler(request_rec *r, ap_cache_el *c, char *url);
-
-/* proxy_http.c */
-
-int ap_proxy_http_canon(request_rec *r, char *url, const char *scheme,
- int def_port);
-int ap_proxy_http_handler(request_rec *r, char *url,
- const char *proxyhost, int proxyport);
-
-/* proxy_util.c */
-
-int ap_proxy_hex2c(const char *x);
-void ap_proxy_c2hex(int ch, char *x);
-char *ap_proxy_canonenc(apr_pool_t *p, const char *x, int len, enum enctype t,
- int isenc);
-char *ap_proxy_canon_netloc(apr_pool_t *p, char **const urlp, char **userp,
- char **passwordp, char **hostp, int *port);
-const char *ap_proxy_date_canon(apr_pool_t *p, const char *x);
-apr_table_t *ap_proxy_read_headers(request_rec *r, char *buffer, int size, conn_rec *c);
-void ap_proxy_send_headers(request_rec *r, const char *respline, apr_table_t *hdrs);
-int ap_proxy_liststr(const char *list, const char *val);
-void ap_proxy_hash(const char *it, char *val, int ndepth, int nlength);
-int ap_proxy_hex2sec(const char *x);
-void ap_proxy_sec2hex(int t, char *y);
-const char *ap_proxy_host2addr(const char *host, struct hostent *reqhp);
-int ap_proxy_cache_send(request_rec *r, ap_cache_el *c);
-int ap_proxy_cache_should_cache(request_rec *r, apr_table_t *resp_hdrs,
- const int is_HTTP1);
-int ap_proxy_cache_update(ap_cache_el *c);
-void ap_proxy_cache_error(ap_cache_el **r);
-int ap_proxyerror(request_rec *r, int statuscode, const char *message);
-int ap_proxy_is_ipaddr(struct dirconn_entry *This, apr_pool_t *p);
-int ap_proxy_is_domainname(struct dirconn_entry *This, apr_pool_t *p);
-int ap_proxy_is_hostname(struct dirconn_entry *This, apr_pool_t *p);
-int ap_proxy_is_word(struct dirconn_entry *This, apr_pool_t *p);
-apr_status_t ap_proxy_doconnect(apr_socket_t *sock, char *host, apr_uint32_t port, request_rec *r);
-int ap_proxy_garbage_init(server_rec *, apr_pool_t *);
-/* This function is called by ap_table_do() for all header lines */
-int ap_proxy_send_hdr_line(void *p, const char *key, const char *value);
-unsigned ap_proxy_bputs2(const char *data, apr_socket_t *client, ap_cache_el *cache);
-
-#endif /*MOD_PROXY_H*/