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Diffstat (limited to 'rubbos/app/apache2/include/mod_proxy.h')
| -rw-r--r-- | rubbos/app/apache2/include/mod_proxy.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/rubbos/app/apache2/include/mod_proxy.h b/rubbos/app/apache2/include/mod_proxy.h new file mode 100644 index 00000000..d1ed7d46 --- /dev/null +++ b/rubbos/app/apache2/include/mod_proxy.h @@ -0,0 +1,255 @@ +/* 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*/ |