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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
commite8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch)
treeaa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/modules/proxy/mod_proxy.h
parentcc40af334e619bb549038238507407866f774f8f (diff)
upload http
JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
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+/* 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.
+ */
+
+#ifndef MOD_PROXY_H
+#define MOD_PROXY_H
+
+/*
+ * Main include file for the Apache proxy
+ */
+
+/*
+
+ Also note numerous FIXMEs and CHECKMEs which should be eliminated.
+
+ This code is once again experimental!
+
+ Things to do:
+
+ 1. Make it completely work (for FTP too)
+
+ 2. HTTP/1.1
+
+ Chuck Murcko <chuck@topsail.org> 02-06-01
+
+ */
+
+#define CORE_PRIVATE
+
+#include "apr_hooks.h"
+#include "apr.h"
+#include "apr_lib.h"
+#include "apr_strings.h"
+#include "apr_buckets.h"
+#include "apr_md5.h"
+#include "apr_network_io.h"
+#include "apr_pools.h"
+#include "apr_strings.h"
+#include "apr_uri.h"
+#include "apr_date.h"
+#include "apr_fnmatch.h"
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+
+#include "httpd.h"
+#include "http_config.h"
+#include "ap_config.h"
+#include "http_core.h"
+#include "http_protocol.h"
+#include "http_request.h"
+#include "http_vhost.h"
+#include "http_main.h"
+#include "http_log.h"
+#include "http_connection.h"
+#include "util_filter.h"
+#include "util_ebcdic.h"
+
+#if APR_HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#if APR_HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+/* for proxy_canonenc() */
+enum enctype {
+ enc_path, enc_search, enc_user, enc_fpath, enc_parm
+};
+
+#if APR_CHARSET_EBCDIC
+#define CRLF "\r\n"
+#else /*APR_CHARSET_EBCDIC*/
+#define CRLF "\015\012"
+#endif /*APR_CHARSET_EBCDIC*/
+
+/* default Max-Forwards header setting */
+#define DEFAULT_MAX_FORWARDS 10
+
+/* 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 */
+ apr_port_t port; /* the port for this proxy */
+ regex_t *regexp; /* compiled regex (if any) for the remote */
+ int use_regex; /* simple boolean. True if we have a regex pattern */
+};
+
+struct proxy_alias {
+ const char *real;
+ const char *fake;
+};
+
+struct dirconn_entry {
+ char *name;
+ struct in_addr addr, mask;
+ struct apr_sockaddr_t *hostaddr;
+ int (*matcher) (struct dirconn_entry * This, request_rec *r);
+};
+
+struct noproxy_entry {
+ const char *name;
+ struct apr_sockaddr_t *addr;
+};
+
+typedef struct {
+ apr_array_header_t *proxies;
+ apr_array_header_t *sec_proxy;
+ apr_array_header_t *aliases;
+ apr_array_header_t *raliases;
+ apr_array_header_t *noproxies;
+ apr_array_header_t *dirconn;
+ 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 */
+ char req_set;
+ enum {
+ via_off,
+ via_on,
+ via_block,
+ via_full
+ } viaopt; /* how to deal with proxy Via: headers */
+ char viaopt_set;
+ apr_size_t recv_buffer_size;
+ char recv_buffer_size_set;
+ apr_size_t io_buffer_size;
+ char io_buffer_size_set;
+ long maxfwd;
+ char maxfwd_set;
+ /**
+ * the following setting masks the error page
+ * returned from the 'proxied server' and just
+ * forwards the status code upwards.
+ * This allows the main server (us) to generate
+ * the error page, (so it will look like a error
+ * returned from the rest of the system
+ */
+ int error_override;
+ int error_override_set;
+ int preserve_host;
+ int preserve_host_set;
+ apr_interval_time_t timeout;
+ apr_interval_time_t timeout_set;
+ enum {
+ bad_error,
+ bad_ignore,
+ bad_body
+ } badopt; /* how to deal with bad headers */
+ char badopt_set;
+
+} proxy_server_conf;
+
+typedef struct {
+ const char *p; /* The path */
+ int p_is_fnmatch; /* Is this path an fnmatch candidate? */
+ regex_t *r; /* Is this a regex? */
+ const char *ftp_directory_charset;
+} proxy_dir_conf;
+
+typedef struct {
+ conn_rec *connection;
+ char *hostname;
+ apr_port_t port;
+ int is_ssl;
+} proxy_conn_rec;
+
+typedef struct {
+ float cache_completion; /* completion percentage */
+ int content_length; /* length of the content */
+} proxy_completion;
+
+
+/* hooks */
+
+/* Create a set of PROXY_DECLARE(type), PROXY_DECLARE_NONSTD(type) and
+ * PROXY_DECLARE_DATA with appropriate export and import tags for the platform
+ */
+#if !defined(WIN32)
+#define PROXY_DECLARE(type) type
+#define PROXY_DECLARE_NONSTD(type) type
+#define PROXY_DECLARE_DATA
+#elif defined(PROXY_DECLARE_STATIC)
+#define PROXY_DECLARE(type) type __stdcall
+#define PROXY_DECLARE_NONSTD(type) type
+#define PROXY_DECLARE_DATA
+#elif defined(PROXY_DECLARE_EXPORT)
+#define PROXY_DECLARE(type) __declspec(dllexport) type __stdcall
+#define PROXY_DECLARE_NONSTD(type) __declspec(dllexport) type
+#define PROXY_DECLARE_DATA __declspec(dllexport)
+#else
+#define PROXY_DECLARE(type) __declspec(dllimport) type __stdcall
+#define PROXY_DECLARE_NONSTD(type) __declspec(dllimport) type
+#define PROXY_DECLARE_DATA __declspec(dllimport)
+#endif
+
+/**
+ * Hook an optional proxy hook. Unlike static hooks, this uses a macro
+ * instead of a function.
+ */
+#define PROXY_OPTIONAL_HOOK(name,fn,pre,succ,order) \
+ APR_OPTIONAL_HOOK(proxy,name,fn,pre,succ,order)
+
+APR_DECLARE_EXTERNAL_HOOK(proxy, PROXY, int, scheme_handler, (request_rec *r,
+ proxy_server_conf *conf, char *url,
+ const char *proxyhost, apr_port_t proxyport))
+APR_DECLARE_EXTERNAL_HOOK(proxy, PROXY, int, canon_handler, (request_rec *r,
+ char *url))
+
+APR_DECLARE_EXTERNAL_HOOK(proxy, PROXY, int, create_req, (request_rec *r, request_rec *pr))
+APR_DECLARE_EXTERNAL_HOOK(proxy, PROXY, int, fixups, (request_rec *r))
+
+/* proxy_util.c */
+
+PROXY_DECLARE(request_rec *)ap_proxy_make_fake_req(conn_rec *c, request_rec *r);
+PROXY_DECLARE(int) ap_proxy_hex2c(const char *x);
+PROXY_DECLARE(void) ap_proxy_c2hex(int ch, char *x);
+PROXY_DECLARE(char *)ap_proxy_canonenc(apr_pool_t *p, const char *x, int len, enum enctype t,
+ int isenc);
+PROXY_DECLARE(char *)ap_proxy_canon_netloc(apr_pool_t *p, char **const urlp, char **userp,
+ char **passwordp, char **hostp, apr_port_t *port);
+PROXY_DECLARE(const char *)ap_proxy_date_canon(apr_pool_t *p, const char *x);
+PROXY_DECLARE(apr_table_t *)ap_proxy_read_headers(request_rec *r, request_rec *rp, char *buffer, int size, conn_rec *c);
+PROXY_DECLARE(int) ap_proxy_liststr(const char *list, const char *val);
+PROXY_DECLARE(char *)ap_proxy_removestr(apr_pool_t *pool, const char *list, const char *val);
+PROXY_DECLARE(int) ap_proxy_hex2sec(const char *x);
+PROXY_DECLARE(void) ap_proxy_sec2hex(int t, char *y);
+PROXY_DECLARE(int) ap_proxyerror(request_rec *r, int statuscode, const char *message);
+PROXY_DECLARE(int) ap_proxy_is_ipaddr(struct dirconn_entry *This, apr_pool_t *p);
+PROXY_DECLARE(int) ap_proxy_is_domainname(struct dirconn_entry *This, apr_pool_t *p);
+PROXY_DECLARE(int) ap_proxy_is_hostname(struct dirconn_entry *This, apr_pool_t *p);
+PROXY_DECLARE(int) ap_proxy_is_word(struct dirconn_entry *This, apr_pool_t *p);
+PROXY_DECLARE(int) ap_proxy_checkproxyblock(request_rec *r, proxy_server_conf *conf, apr_sockaddr_t *uri_addr);
+PROXY_DECLARE(int) ap_proxy_pre_http_request(conn_rec *c, request_rec *r);
+PROXY_DECLARE(apr_status_t) ap_proxy_string_read(conn_rec *c, apr_bucket_brigade *bb, char *buff, size_t bufflen, int *eos);
+PROXY_DECLARE(void) ap_proxy_table_unmerge(apr_pool_t *p, apr_table_t *t, char *key);
+PROXY_DECLARE(int) ap_proxy_connect_to_backend(apr_socket_t **, const char *, apr_sockaddr_t *, const char *, proxy_server_conf *, server_rec *, apr_pool_t *);
+PROXY_DECLARE(int) ap_proxy_ssl_enable(conn_rec *c);
+PROXY_DECLARE(int) ap_proxy_ssl_disable(conn_rec *c);
+
+/* For proxy_util */
+extern module AP_MODULE_DECLARE_DATA proxy_module;
+
+#endif /*MOD_PROXY_H*/