-/* ====================================================================
- * The Apache Software License, Version 1.1
+/* 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
*
- * Copyright (c) 2000-2001 The Apache Software Foundation. All rights
- * reserved.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * 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.
+ * 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.
+ */
+
+/**
+ * @file httpd.h
+ * @brief HTTP Daemon routines
*
- * 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.
- * ====================================================================
+ * @defgroup APACHE Apache
*
- * 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/>.
+ * Top level group of which all other groups are a member
+ * @{
*
- * Portions of this software are based upon public domain software
- * originally written at the National Center for Supercomputing Applications,
- * University of Illinois, Urbana-Champaign.
+ * @defgroup APACHE_MODS Apache Modules
+ * Top level group for Apache Modules
+ * @defgroup APACHE_OS Operating System Specific
+ * @defgroup APACHE_CORE Apache Core
+ * @{
+ * @defgroup APACHE_CORE_DAEMON HTTP Daemon Routine
+ * @{
*/
#ifndef APACHE_HTTPD_H
#define APACHE_HTTPD_H
-/**
- * @file httpd.h
- * @brief HTTP Daemon routines
- */
-
/* XXX - We need to push more stuff to other .h files, or even .c files, to
* make this file smaller
*/
#include "ap_mmn.h"
#include "ap_release.h"
-#include "os.h"
+#include "apr.h"
#include "apr_general.h"
#include "apr_tables.h"
#include "apr_pools.h"
#include "apr_time.h"
#include "apr_network_io.h"
#include "apr_buckets.h"
+#include "apr_poll.h"
+
+#include "os.h"
-#include "pcreposix.h"
+#include "ap_regex.h"
+
+#if APR_HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
-/* Note: util_uri.h is also included, see below */
+/* Note: apr_uri.h is also included, see below */
#ifdef __cplusplus
extern "C" {
/* ----------------------------- config dir ------------------------------ */
-/* Define this to be the default server home dir. Most things later in this
+/** Define this to be the default server home dir. Most things later in this
* file with a relative pathname will have this added.
*/
#ifndef HTTPD_ROOT
#ifdef OS2
-/* Set default for OS/2 file system */
+/** Set default for OS/2 file system */
#define HTTPD_ROOT "/os2httpd"
#elif defined(WIN32)
-/* Set default for Windows file system */
+/** Set default for Windows file system */
#define HTTPD_ROOT "/apache"
#elif defined (BEOS)
-/* Set the default for BeOS */
+/** Set the default for BeOS */
#define HTTPD_ROOT "/boot/home/apache"
#elif defined (NETWARE)
-/* Set the default for NetWare */
+/** Set the default for NetWare */
#define HTTPD_ROOT "/apache"
#else
+/** Set for all other OSs */
#define HTTPD_ROOT "/usr/local/apache"
#endif
#endif /* HTTPD_ROOT */
*
*/
-/* Default location of documents. Can be overridden by the DocumentRoot
+/**
+ * Default location of documents. Can be overridden by the DocumentRoot
* directive.
*/
#ifndef DOCUMENT_LOCATION
/* Set default for OS/2 file system */
#define DOCUMENT_LOCATION HTTPD_ROOT "/docs"
#else
+/* Set default for non OS/2 file system */
#define DOCUMENT_LOCATION HTTPD_ROOT "/htdocs"
#endif
#endif /* DOCUMENT_LOCATION */
-/* Maximum number of dynamically loaded modules */
+/** Maximum number of dynamically loaded modules */
#ifndef DYNAMIC_MODULE_LIMIT
-#define DYNAMIC_MODULE_LIMIT 64
+#define DYNAMIC_MODULE_LIMIT 128
#endif
-/* Default administrator's address */
+/** Default administrator's address */
#define DEFAULT_ADMIN "[no address given]"
-/* The name of the log files */
+/** The name of the log files */
#ifndef DEFAULT_ERRORLOG
#if defined(OS2) || defined(WIN32)
#define DEFAULT_ERRORLOG "logs/error.log"
#endif
#endif /* DEFAULT_ERRORLOG */
-/* Define this to be what your per-directory security files are called */
+/** Define this to be what your per-directory security files are called */
#ifndef DEFAULT_ACCESS_FNAME
#ifdef OS2
/* Set default for OS/2 file system */
#endif
#endif /* DEFAULT_ACCESS_FNAME */
-/* The name of the server config file */
+/** The name of the server config file */
#ifndef SERVER_CONFIG_FILE
#define SERVER_CONFIG_FILE "conf/httpd.conf"
#endif
-/* Whether we should enable rfc1413 identity checking */
-#ifndef DEFAULT_RFC1413
-#define DEFAULT_RFC1413 0
-#endif
-
-/* The default path for CGI scripts if none is currently set */
+/** The default path for CGI scripts if none is currently set */
#ifndef DEFAULT_PATH
#define DEFAULT_PATH "/bin:/usr/bin:/usr/ucb:/usr/bsd:/usr/local/bin"
#endif
-/* The path to the suExec wrapper, can be overridden in Configuration */
+/** The path to the suExec wrapper, can be overridden in Configuration */
#ifndef SUEXEC_BIN
#define SUEXEC_BIN HTTPD_ROOT "/bin/suexec"
#endif
-/* The timeout for waiting for messages */
+/** The timeout for waiting for messages */
#ifndef DEFAULT_TIMEOUT
#define DEFAULT_TIMEOUT 300
#endif
-/* The timeout for waiting for keepalive timeout until next request */
+/** The timeout for waiting for keepalive timeout until next request */
#ifndef DEFAULT_KEEPALIVE_TIMEOUT
-#define DEFAULT_KEEPALIVE_TIMEOUT 15
+#define DEFAULT_KEEPALIVE_TIMEOUT 5
#endif
-/* The number of requests to entertain per connection */
+/** The number of requests to entertain per connection */
#ifndef DEFAULT_KEEPALIVE
#define DEFAULT_KEEPALIVE 100
#endif
-/* Limits on the size of various request items. These limits primarily
+/*
+ * Limits on the size of various request items. These limits primarily
* exist to prevent simple denial-of-service attacks on a server based
* on misuse of the protocol. The recommended values will depend on the
* nature of the server resources -- CGI scripts and database backends
* DEFAULT_LIMIT_REQUEST_FIELDS can be modified or disabled (set = 0) by
* the server config directive LimitRequestFields.
*/
+
+/** default limit on bytes in Request-Line (Method+URI+HTTP-version) */
#ifndef DEFAULT_LIMIT_REQUEST_LINE
#define DEFAULT_LIMIT_REQUEST_LINE 8190
-#endif /* default limit on bytes in Request-Line (Method+URI+HTTP-version) */
+#endif
+/** default limit on bytes in any one header field */
#ifndef DEFAULT_LIMIT_REQUEST_FIELDSIZE
#define DEFAULT_LIMIT_REQUEST_FIELDSIZE 8190
-#endif /* default limit on bytes in any one header field */
+#endif
+/** default limit on number of request header fields */
#ifndef DEFAULT_LIMIT_REQUEST_FIELDS
#define DEFAULT_LIMIT_REQUEST_FIELDS 100
-#endif /* default limit on number of request header fields */
-
+#endif
/**
* The default default character set name to add if AddDefaultCharset is
#define DOCTYPE_HTML_4_0F "<!DOCTYPE HTML PUBLIC \"-//W3C//" \
"DTD HTML 4.0 Frameset//EN\"\n" \
"\"http://www.w3.org/TR/REC-html40/frameset.dtd\">\n"
+/** XHTML 1.0 Strict Doctype */
+#define DOCTYPE_XHTML_1_0S "<!DOCTYPE html PUBLIC \"-//W3C//" \
+ "DTD XHTML 1.0 Strict//EN\"\n" \
+ "\"http://www.w3.org/TR/xhtml1/DTD/" \
+ "xhtml1-strict.dtd\">\n"
+/** XHTML 1.0 Transitional Doctype */
+#define DOCTYPE_XHTML_1_0T "<!DOCTYPE html PUBLIC \"-//W3C//" \
+ "DTD XHTML 1.0 Transitional//EN\"\n" \
+ "\"http://www.w3.org/TR/xhtml1/DTD/" \
+ "xhtml1-transitional.dtd\">\n"
+/** XHTML 1.0 Frameset Doctype */
+#define DOCTYPE_XHTML_1_0F "<!DOCTYPE html PUBLIC \"-//W3C//" \
+ "DTD XHTML 1.0 Frameset//EN\"\n" \
+ "\"http://www.w3.org/TR/xhtml1/DTD/" \
+ "xhtml1-frameset.dtd\">"
/** Internal representation for a HTTP protocol number, e.g., HTTP/1.1 */
-
#define HTTP_VERSION(major,minor) (1000*(major)+(minor))
/** Major part of HTTP protocol */
#define HTTP_VERSION_MAJOR(number) ((number)/1000)
/**
* Get the scheme for a request.
* @param r The request
- * @bug This should be called ap_http_scheme!
*/
-#define ap_http_method(r) ap_run_http_method(r)
+#define ap_http_scheme(r) ap_run_http_scheme(r)
-/** The default string lengths */
+/** The default string length */
#define MAX_STRING_LEN HUGE_STRING_LEN
+
+/** The length of a Huge string */
#define HUGE_STRING_LEN 8192
/** The size of the server's internal read-write buffers */
#define AP_IOBUFSIZE 8192
+/** The max number of regex captures that can be expanded by ap_pregsub */
+#define AP_MAX_REG_MATCH 10
+
/**
* APR_HAS_LARGE_FILES introduces the problem of spliting sendfile into
* mutiple buckets, no greater than MAX(apr_size_t), and more granular
* than that in case the brigade code/filters attempt to read it directly.
- * ### 4mb is an invention, no idea if it is reasonable.
+ * ### 16mb is an invention, no idea if it is reasonable.
*/
-#define AP_MAX_SENDFILE 16777216
+#define AP_MAX_SENDFILE 16777216 /* 2^24 */
/**
* Special Apache error codes. These are basically used
/**
* @internal
- * modules should not used functions marked AP_CORE_DECLARE
+ * modules should not use functions marked AP_CORE_DECLARE
*/
#ifndef AP_CORE_DECLARE
# define AP_CORE_DECLARE AP_DECLARE
#endif
+
/**
* @internal
- * modules should not used functions marked AP_CORE_DECLARE_NONSTD
+ * modules should not use functions marked AP_CORE_DECLARE_NONSTD
*/
#ifndef AP_CORE_DECLARE_NONSTD
# define AP_CORE_DECLARE_NONSTD AP_DECLARE_NONSTD
#endif
+/**
+ * @brief The numeric version information is broken out into fields within this
+ * structure.
+ */
+typedef struct {
+ int major; /**< major number */
+ int minor; /**< minor number */
+ int patch; /**< patch number */
+ const char *add_string; /**< additional string like "-dev" */
+} ap_version_t;
+
+/**
+ * Return httpd's version information in a numeric form.
+ *
+ * @param version Pointer to a version structure for returning the version
+ * information.
+ */
+AP_DECLARE(void) ap_get_server_revision(ap_version_t *version);
+
/**
- * Get the server version string
- * @return The server version string
+ * Get the server banner in a form suitable for sending over the
+ * network, with the level of information controlled by the
+ * ServerTokens directive.
+ * @return The server banner
*/
-AP_DECLARE(const char *) ap_get_server_version(void);
+AP_DECLARE(const char *) ap_get_server_banner(void);
/**
- * Add a component to the version string
+ * Get the server description in a form suitable for local displays,
+ * status reports, or logging. This includes the detailed server
+ * version and information about some modules. It is not affected
+ * by the ServerTokens directive.
+ * @return The server description
+ */
+AP_DECLARE(const char *) ap_get_server_description(void);
+
+/**
+ * Add a component to the server description and banner strings
* @param pconf The pool to allocate the component from
* @param component The string to add
*/
* all of the potential response status-lines (a sparse table).
* A future version should dynamically generate the apr_table_t at startup.
*/
-#define RESPONSE_CODES 55
+#define RESPONSE_CODES 57
#define HTTP_CONTINUE 100
#define HTTP_SWITCHING_PROTOCOLS 101
#define HTTP_UNPROCESSABLE_ENTITY 422
#define HTTP_LOCKED 423
#define HTTP_FAILED_DEPENDENCY 424
+#define HTTP_UPGRADE_REQUIRED 426
#define HTTP_INTERNAL_SERVER_ERROR 500
#define HTTP_NOT_IMPLEMENTED 501
#define HTTP_BAD_GATEWAY 502
#define ap_is_HTTP_CLIENT_ERROR(x) (((x) >= 400)&&((x) < 500))
/** is the status code a server error */
#define ap_is_HTTP_SERVER_ERROR(x) (((x) >= 500)&&((x) < 600))
+/** is the status code a (potentially) valid response code? */
+#define ap_is_HTTP_VALID_RESPONSE(x) (((x) >= 100)&&((x) < 600))
/** should the status code drop the connection */
#define ap_status_drops_connection(x) \
((x) == HTTP_SERVICE_UNAVAILABLE) || \
((x) == HTTP_NOT_IMPLEMENTED))
/** @} */
+
/**
* @defgroup Methods List of Methods recognized by the server
+ * @ingroup APACHE_CORE_DAEMON
* @{
- */
-/**
- * Methods recognized (but not necessarily handled) by the server.
+ *
+ * @brief Methods recognized (but not necessarily handled) by the server.
+ *
* These constants are used in bit shifting masks of size int, so it is
* unsafe to have more methods than bits in an int. HEAD == M_GET.
* This list must be tracked by the list in http_protocol.c in routine
* ap_method_name_of().
+ *
*/
-#define M_GET 0
-#define M_PUT 1
-#define M_POST 2
-#define M_DELETE 3
-#define M_CONNECT 4
-#define M_OPTIONS 5
-#define M_TRACE 6
-#define M_PATCH 7
-#define M_PROPFIND 8
-#define M_PROPPATCH 9
-#define M_MKCOL 10
-#define M_COPY 11
-#define M_MOVE 12
-#define M_LOCK 13
-#define M_UNLOCK 14
-#define M_INVALID 15
+
+#define M_GET 0 /** RFC 2616: HTTP */
+#define M_PUT 1 /* : */
+#define M_POST 2
+#define M_DELETE 3
+#define M_CONNECT 4
+#define M_OPTIONS 5
+#define M_TRACE 6 /** RFC 2616: HTTP */
+#define M_PATCH 7 /** no rfc(!) ### remove this one? */
+#define M_PROPFIND 8 /** RFC 2518: WebDAV */
+#define M_PROPPATCH 9 /* : */
+#define M_MKCOL 10
+#define M_COPY 11
+#define M_MOVE 12
+#define M_LOCK 13
+#define M_UNLOCK 14 /** RFC 2518: WebDAV */
+#define M_VERSION_CONTROL 15 /** RFC 3253: WebDAV Versioning */
+#define M_CHECKOUT 16 /* : */
+#define M_UNCHECKOUT 17
+#define M_CHECKIN 18
+#define M_UPDATE 19
+#define M_LABEL 20
+#define M_REPORT 21
+#define M_MKWORKSPACE 22
+#define M_MKACTIVITY 23
+#define M_BASELINE_CONTROL 24
+#define M_MERGE 25
+#define M_INVALID 26 /** RFC 3253: WebDAV Versioning */
/**
* METHODS needs to be equal to the number of bits
/**
* The method mask bit to shift for anding with a bitmask.
*/
-#define AP_METHOD_BIT (apr_int64_t)1
+#define AP_METHOD_BIT ((apr_int64_t)1)
/** @} */
+/** @see ap_method_list_t */
+typedef struct ap_method_list_t ap_method_list_t;
+
/**
- * Structure for handling HTTP methods. Methods known to the server are
- * accessed via a bitmask shortcut; extension methods are handled by
- * an array.
+ * @struct ap_method_list_t
+ * @brief Structure for handling HTTP methods.
+ *
+ * Methods known to the server are accessed via a bitmask shortcut;
+ * extension methods are handled by an array.
*/
-typedef struct ap_method_list_t ap_method_list_t;
struct ap_method_list_t {
- /* The bitmask used for known methods */
+ /** The bitmask used for known methods */
apr_int64_t method_mask;
- /* the array used for extension methods */
+ /** the array used for extension methods */
apr_array_header_t *method_list;
};
+
/**
* @defgroup module_magic Module Magic mime types
* @{
#define REQUEST_CHUNKED_ERROR 1
/** If chunked, remove the chunks for me. */
#define REQUEST_CHUNKED_DECHUNK 2
-/** @} */
+/** @} // values_request_rec_body */
/**
* @defgroup values_request_rec_used_path_info Possible values for request_rec.used_path_info
+ * @ingroup APACHE_CORE_DAEMON
* @{
* Possible values for request_rec.used_path_info:
*/
-/** Accept request given path_info */
-#define AP_REQ_ACCEPT_PATH_INFO 0
-/** Send 404 error if path_info was given */
+/** Accept the path_info from the request */
+#define AP_REQ_ACCEPT_PATH_INFO 0
+/** Return a 404 error if path_info was given */
#define AP_REQ_REJECT_PATH_INFO 1
-/** Module's choice for handling path_info */
+/** Module may chose to use the given path_info */
#define AP_REQ_DEFAULT_PATH_INFO 2
-/** @} */
+
+/** @} // values_request_rec_used_path_info */
+
/*
* Things which may vary per file-lookup WITHIN a request ---
*/
/**
- * This represents the result of calling htaccess; these are cached for
+ * @brief This represents the result of calling htaccess; these are cached for
* each request.
*/
struct htaccess_result {
const char *dir;
/** the overrides allowed for the .htaccess file */
int override;
+ /** the override options allowed for the .htaccess file */
+ int override_opts;
/** the configuration directives */
struct ap_conf_vector_t *htaccess;
/** the next one, or NULL if no more; N.B. never change this */
typedef struct conn_rec conn_rec;
/** A structure that represents the current request */
typedef struct request_rec request_rec;
+/** A structure that represents the status of the current connection */
+typedef struct conn_state_t conn_state_t;
/* ### would be nice to not include this from httpd.h ... */
/* This comes after we have defined the request_rec type */
#include "apr_uri.h"
-/** A structure that represents one process */
+/**
+ * @brief A structure that represents one process
+ */
struct process_rec {
- /** Global pool. Please try to cleared on _all_ exits */
+ /** Global pool. Cleared upon normal exit */
apr_pool_t *pool;
- /** aka configuration pool, cleared on restarts */
+ /** Configuration pool. Cleared upon restart */
apr_pool_t *pconf;
- /** How many command line arguments were pass to the program */
+ /** Number of command line arguments passed to the program */
int argc;
/** The command line arguments */
const char * const *argv;
const char *short_name;
};
-/** A structure that represents the current request */
+/**
+ * @brief A structure that represents the current request
+ */
struct request_rec {
/** The pool associated with the request */
apr_pool_t *pool;
- /** The connection over which this connection has been read */
+ /** The connection to the client */
conn_rec *connection;
- /** The virtual host this request is for */
+ /** The virtual host for this request */
server_rec *server;
- /** If we wind up getting redirected, pointer to the request we
- * redirected to. */
+ /** Pointer to the redirected request if this is an external redirect */
request_rec *next;
- /** If this is an internal redirect, pointer to where we redirected
- * *from*. */
+ /** Pointer to the previous request if this is an internal redirect */
request_rec *prev;
- /** If this is a sub_request (see request.h) pointer back to the
- * main request. */
+ /** Pointer to the main request if this is a sub-request
+ * (see http_request.h) */
request_rec *main;
/* Info about the request itself... we begin with stuff that only
* protocol.c should ever touch...
*/
- /** First line of request, so we can log it */
+ /** First line of request */
char *the_request;
/** HTTP/0.9, "simple" request (e.g. GET /foo\n w/no headers) */
int assbackwards;
/** A proxy request (calculated during post_read_request/translate_name)
- * possible values PROXYREQ_NONE, PROXYREQ_PROXY, PROXYREQ_REVERSE
+ * possible values PROXYREQ_NONE, PROXYREQ_PROXY, PROXYREQ_REVERSE,
+ * PROXYREQ_RESPONSE
*/
int proxyreq;
/** HEAD request, as opposed to GET */
int header_only;
- /** Protocol, as given to us, or HTTP/0.9 */
+ /** Protocol string, as given to us, or HTTP/0.9 */
char *protocol;
- /** Number version of protocol; 1.1 = 1001 */
+ /** Protocol version number of protocol; 1.1 = 1001 */
int proto_num;
/** Host, as set by full URI or Host: */
const char *hostname;
- /** When the request started */
+ /** Time when the request started */
apr_time_t request_time;
/** Status line, if set by script */
const char *status_line;
- /** In any case */
+ /** Status line */
int status;
/* Request method, two ways; also, protocol, etc.. Outside of protocol.c,
* look, but don't touch.
*/
- /** GET, HEAD, POST, etc. */
+ /** Request method (eg. GET, HEAD, POST, etc.) */
const char *method;
/** M_GET, M_POST, etc. */
int method_number;
/**
- * allowed is a bitvector of the allowed methods.
+ * 'allowed' is a bitvector of the allowed methods.
*
* A handler must ensure that the request method is one that
* it is capable of handling. Generally modules should DECLINE
apr_off_t sent_bodyct;
/** body byte count, for easy access */
apr_off_t bytes_sent;
- /** Time the resource was last modified */
+ /** Last modified time of the requested resource */
apr_time_t mtime;
/* HTTP/1.1 connection-level features */
/** sending chunked transfer-coding */
int chunked;
- /** multipart/byteranges boundary */
- const char *boundary;
/** The Range: header */
const char *range;
/** The "real" content length */
apr_off_t clength;
- /** bytes left to read */
+ /** Remaining bytes left to read from the request body */
apr_off_t remaining;
- /** bytes that have been read */
+ /** Number of bytes that have been read from the request body */
apr_off_t read_length;
- /** how the request body should be read */
+ /** Method for reading the request body
+ * (eg. REQUEST_CHUNKED_ERROR, REQUEST_NO_BODY,
+ * REQUEST_CHUNKED_DECHUNK, etc...) */
int read_body;
/** reading chunked transfer-coding */
int read_chunked;
/** The content-type for the current request */
const char *content_type; /* Break these out --- we dispatch on 'em */
/** The handler string that we use to call a handler function */
- const char *handler; /* What we *really* dispatch on */
+ const char *handler; /* What we *really* dispatch on */
/** How to encode the data */
const char *content_encoding;
- /** array of (char*) representing the content languages */
+ /** Array of strings representing the content languages */
apr_array_header_t *content_languages;
/** variant list validator (if negotiated) */
/** If an authentication check was made, this gets set to the auth type. */
char *ap_auth_type;
- /** This response is non-cache-able */
+ /** This response can not be cached */
int no_cache;
/** There is no local copy of this response */
int no_local_copy;
* or content-negotiation mapping).
*/
- /** the uri without any parsing performed */
+ /** The URI without any parsing performed */
char *unparsed_uri;
- /** the path portion of the URI */
+ /** The path portion of the URI */
char *uri;
- /** The filename on disk that this response corresponds to */
+ /** The filename on disk corresponding to this response */
char *filename;
+ /* XXX: What does this mean? Please define "canonicalize" -aaron */
/** The true filename, we canonicalize r->filename if these don't match */
char *canonical_filename;
- /** The path_info for this request if there is any. */
+ /** The PATH_INFO extracted from this request */
char *path_info;
- /** QUERY_ARGS, if any */
+ /** The QUERY_ARGS extracted from this request */
char *args;
- /** ST_MODE set to zero if no such file */
+ /** finfo.protection (st_mode) set to zero if no such file */
apr_finfo_t finfo;
- /** components of uri, dismantled */
+ /** A struct containing the components of URI */
apr_uri_t parsed_uri;
- /** Flag for the handler to accept or reject path_info on
- * the current request. All modules should respect the
- * AP_REQ_ACCEPT_PATH_INFO and AP_REQ_REJECT_PATH_INFO
- * values, while AP_REQ_DEFAULT_PATH_INFO indicates they
- * may follow existing conventions. This is set to the
- * user's preference upon HOOK_VERY_FIRST of the fixups.
+ /**
+ * Flag for the handler to accept or reject path_info on
+ * the current request. All modules should respect the
+ * AP_REQ_ACCEPT_PATH_INFO and AP_REQ_REJECT_PATH_INFO
+ * values, while AP_REQ_DEFAULT_PATH_INFO indicates they
+ * may follow existing conventions. This is set to the
+ * user's preference upon HOOK_VERY_FIRST of the fixups.
*/
int used_path_info;
/** Notes on *this* request */
struct ap_conf_vector_t *request_config;
-/**
- * a linked list of the configuration directives in the .htaccess files
- * accessed by this request.
- * N.B. always add to the head of the list, _never_ to the end.
- * that way, a sub request's list can (temporarily) point to a parent's list
- */
+ /**
+ * A linked list of the .htaccess configuration directives
+ * accessed by this request.
+ * N.B. always add to the head of the list, _never_ to the end.
+ * that way, a sub request's list can (temporarily) point to a parent's list
+ */
const struct htaccess_result *htaccess;
/** A list of output filters to be used for this request */
struct ap_filter_t *output_filters;
/** A list of input filters to be used for this request */
struct ap_filter_t *input_filters;
+
+ /** A list of protocol level output filters to be used for this
+ * request */
+ struct ap_filter_t *proto_output_filters;
+ /** A list of protocol level input filters to be used for this
+ * request */
+ struct ap_filter_t *proto_input_filters;
+
/** A flag to determine if the eos bucket has been sent yet */
int eos_sent;
#define PROXYREQ_NONE 0 /**< No proxy */
#define PROXYREQ_PROXY 1 /**< Standard proxy */
#define PROXYREQ_REVERSE 2 /**< Reverse proxy */
+#define PROXYREQ_RESPONSE 3 /**< Origin response */
/* @} */
+/**
+ * @brief Enumeration of connection keepalive options
+ */
+typedef enum {
+ AP_CONN_UNKNOWN,
+ AP_CONN_CLOSE,
+ AP_CONN_KEEPALIVE
+} ap_conn_keepalive_e;
-/** Structure to store things which are per connection */
+/**
+ * @brief Structure to store things which are per connection
+ */
struct conn_rec {
/** Pool associated with this connection */
apr_pool_t *pool;
unsigned aborted:1;
/** Are we going to keep the connection alive for another request?
- * -1 fatal error, 0 undecided, 1 yes */
- signed int keepalive:2;
+ * @see ap_conn_keepalive_e */
+ ap_conn_keepalive_e keepalive;
/** have we done double-reverse DNS? -1 yes/failure, 0 not yet,
* 1 yes/success */
/** ID of this connection; unique at any point in time */
long id;
- /** Notes on *this* connection */
+ /** Config vector containing pointers to connections per-server
+ * config structures. */
struct ap_conf_vector_t *conn_config;
- /** send note from one module to another, must remain valid for all
- * requests on this conn */
+ /** Notes on *this* connection: send note from one module to
+ * another. must remain valid for all requests on this conn */
apr_table_t *notes;
/** A list of input filters to be used for this connection */
struct ap_filter_t *input_filters;
struct ap_filter_t *output_filters;
/** handle to scoreboard information for this connection */
void *sbh;
+ /** The bucket allocator to use for all bucket/brigade creations */
+ struct apr_bucket_alloc_t *bucket_alloc;
+ /** The current state of this connection */
+ conn_state_t *cs;
+ /** Is there data pending in the input filters? */
+ int data_in_input_filters;
+ /** Is there data pending in the output filters? */
+ int data_in_output_filters;
+
+ /** Are there any filters that clogg/buffer the input stream, breaking
+ * the event mpm.
+ */
+ int clogging_input_filters;
+};
+
+/**
+ * Enumeration of connection states
+ */
+typedef enum {
+ CONN_STATE_CHECK_REQUEST_LINE_READABLE,
+ CONN_STATE_READ_REQUEST_LINE,
+ CONN_STATE_HANDLER,
+ CONN_STATE_WRITE_COMPLETION,
+ CONN_STATE_LINGER
+} conn_state_e;
+
+/**
+ * @brief A structure to contain connection state information
+ */
+struct conn_state_t {
+ /** APR_RING of expiration timeouts */
+ APR_RING_ENTRY(conn_state_t) timeout_list;
+ /** the expiration time of the next keepalive timeout */
+ apr_time_t expiration_time;
+ /** Current state of the connection */
+ conn_state_e state;
+ /** connection record this struct refers to */
+ conn_rec *c;
+ /** memory pool to allocate from */
+ apr_pool_t *p;
+ /** bucket allocator */
+ apr_bucket_alloc_t *bucket_alloc;
+ /** poll file decriptor information */
+ apr_pollfd_t pfd;
};
/* Per-vhost config... */
#define DEFAULT_VHOST_ADDR 0xfffffffful
-/** A structure to be used for Per-vhost config */
+/**
+ * @struct server_addr_rec
+ * @brief A structure to be used for Per-vhost config
+ */
typedef struct server_addr_rec server_addr_rec;
struct server_addr_rec {
/** The next server in the list */
apr_sockaddr_t *host_addr;
/** The bound port, for this server */
apr_port_t host_port;
- /** The name given in <VirtualHost> */
+ /** The name given in "<VirtualHost>" */
char *virthost;
};
-/** A structure to store information for each virtual server */
+/**
+ * @brief A structure to store information for each virtual server
+ */
struct server_rec {
/** The process this server is running in */
process_rec *process;
/** I haven't got a clue */
server_addr_rec *addrs;
- /** Timeout, in seconds, before we give up */
- int timeout;
- /** Seconds we'll wait for another request */
- int keep_alive_timeout;
+ /** Timeout, as an apr interval, before we give up */
+ apr_interval_time_t timeout;
+ /** The apr interval we will wait for another request */
+ apr_interval_time_t keep_alive_timeout;
/** Maximum requests per connection */
int keep_alive_max;
/** Use persistent connections? */
int limit_req_fieldsize;
/** limit on number of request header fields */
int limit_req_fields;
+
+ /** The server request scheme for redirect responses */
+ const char *server_scheme;
};
typedef struct core_output_filter_ctx {
- apr_bucket_brigade *b;
- apr_pool_t *subpool; /* subpool of c->pool used for data saved after a
- * request is finished
- */
- int subpool_has_stuff; /* anything in the subpool? */
+ apr_bucket_brigade *buffered_bb;
+ apr_size_t bytes_in;
+ apr_size_t bytes_written;
} core_output_filter_ctx_t;
typedef struct core_filter_ctx {
apr_bucket_brigade *b;
+ apr_bucket_brigade *tmpbb;
} core_ctx_t;
typedef struct core_net_rec {
* @return A copy of the characters up to the first stop character
*/
AP_DECLARE(char *) ap_getword(apr_pool_t *p, const char **line, char stop);
+
/**
* Get the characters until the first occurance of a specified character
* @param p The pool to allocate memory from
* @return The first word in the line
*/
AP_DECLARE(char *) ap_getword_white(apr_pool_t *p, const char **line);
+
/**
* Get the first word from a given string. A word is defined as all characters
* up to the first whitespace.
* @param p The pool to allocate memory from
* @param line The string to traverse
* @return The first word in the line
- * @note The same as ap_getword_white(), except it doesn't use const char **.
+ * @note The same as ap_getword_white(), except it doesn't use const char**
*/
AP_DECLARE(char *) ap_getword_white_nc(apr_pool_t *p, char **line);
/**
- * Get all characters from the first occurance of @a stop to the first '\0'
+ * Get all characters from the first occurance of @a stop to the first "\0"
* @param p The pool to allocate memory from
* @param line The line to traverse
* @param stop The character to start at
*/
AP_DECLARE(char *) ap_getword_nulls(apr_pool_t *p, const char **line,
char stop);
+
/**
- * Get all characters from the first occurance of @a stop to the first '\0'
+ * Get all characters from the first occurance of @a stop to the first "\0"
* @param p The pool to allocate memory from
* @param line The line to traverse
* @param stop The character to start at
* @return A copy of the string
*/
AP_DECLARE(char *) ap_getword_conf(apr_pool_t *p, const char **line);
+
/**
* Get the second word in the string paying attention to quoting
* @param p The pool to allocate from
AP_DECLARE(int) ap_find_list_item(apr_pool_t *p, const char *line, const char *tok);
/**
- * Retrieve a token, spacing over it and returning a pointer to
+ * Retrieve a token, spacing over it and adjusting the pointer to
* the first non-white byte afterwards. Note that these tokens
* are delimited by semis and commas and can also be delimited
* by whitespace at the caller's option.
* @param p The pool to allocate from
- * @param accept_line The line to retrieve the token from
+ * @param accept_line The line to retrieve the token from (adjusted afterwards)
* @param accept_white Is it delimited by whitespace
- * @return the first non-white byte after the token
+ * @return the token
*/
AP_DECLARE(char *) ap_get_token(apr_pool_t *p, const char **accept_line, int accept_white);
/**
* Unescape a URL
- * @param url The url to unescapte
+ * @param url The url to unescape
* @return 0 on success, non-zero otherwise
*/
AP_DECLARE(int) ap_unescape_url(char *url);
+
+/**
+ * Unescape a URL, but leaving %2f (slashes) escaped
+ * @param url The url to unescape
+ * @return 0 on success, non-zero otherwise
+ */
+AP_DECLARE(int) ap_unescape_url_keep2f(char *url);
+
/**
* Convert all double slashes to single slashes
* @param name The string to convert
* @return The converted URL
*/
AP_DECLARE(char *) ap_escape_path_segment(apr_pool_t *p, const char *s);
+
/**
* convert an OS path to a URL in an OS dependant way.
* @param p The pool to allocate from
* @return The converted URL
*/
AP_DECLARE(char *) ap_os_escape_path(apr_pool_t *p, const char *path, int partial);
+
/** @see ap_os_escape_path */
#define ap_escape_uri(ppool,path) ap_os_escape_path(ppool,path,1)
*/
AP_DECLARE(char *) ap_escape_html(apr_pool_t *p, const char *s);
+/**
+ * Escape a string for logging
+ * @param p The pool to allocate from
+ * @param str The string to escape
+ * @return The escaped string
+ */
+AP_DECLARE(char *) ap_escape_logitem(apr_pool_t *p, const char *str);
+
+/**
+ * Escape a string for logging into the error log (without a pool)
+ * @param dest The buffer to write to
+ * @param source The string to escape
+ * @param buflen The buffer size for the escaped string (including "\0")
+ * @return The len of the escaped string (always < maxlen)
+ */
+AP_DECLARE(apr_size_t) ap_escape_errorlog_item(char *dest, const char *source,
+ apr_size_t buflen);
+
/**
* Construct a full hostname
* @param p The pool to allocate from
*/
AP_DECLARE(char *) ap_construct_server(apr_pool_t *p, const char *hostname,
apr_port_t port, const request_rec *r);
+
/**
* Escape a shell command
* @param p The pool to allocate from
* @param d The location to copy to
* @param s The location to copy from
* @param n The number of directories to copy
- * @return value is the ever useful pointer to the trailing \0 of d
+ * @return value is the ever useful pointer to the trailing "\0" of d
* @note on platforms with drive letters, n = 0 returns the "/" root,
* whereas n = 1 returns the "d:/" root. On all other platforms, n = 0
* returns the empty string. */
* @param dir The directory name
* @param f The filename
* @return A copy of the full path
- * @tip Never consider using this function if you are dealing with filesystem
+ * @note Never consider using this function if you are dealing with filesystem
* names that need to remain canonical, unless you are merging an apr_dir_read
* path and returned filename. Otherwise, the result is not canonical.
*/
* Test if the given path has an an absolute path.
* @param p The pool to allocate from
* @param dir The directory name
- * @tip The converse is not necessarily true, some OS's (Win32/OS2/Netware) have
+ * @note The converse is not necessarily true, some OS's (Win32/OS2/Netware) have
* multiple forms of absolute paths. This only reports if the path is absolute
* in a canonical sense.
*/
/**
* Determine if a string matches a patterm containing the wildcards '?' or '*'
* @param str The string to check
- * @param exp The pattern to match against
+ * @param expected The pattern to match against
* @return 1 if the two strings match, 0 otherwise
*/
-AP_DECLARE(int) ap_strcmp_match(const char *str, const char *exp);
+AP_DECLARE(int) ap_strcmp_match(const char *str, const char *expected);
+
/**
* Determine if a string matches a patterm containing the wildcards '?' or '*',
* ignoring case
* @param str The string to check
- * @param exp The pattern to match against
+ * @param expected The pattern to match against
* @return 1 if the two strings match, 0 otherwise
*/
-AP_DECLARE(int) ap_strcasecmp_match(const char *str, const char *exp);
+AP_DECLARE(int) ap_strcasecmp_match(const char *str, const char *expected);
/**
* Find the first occurrence of the substring s2 in s1, regardless of case
* @param s1 The string to search
* @param s2 The substring to search for
* @return A pointer to the beginning of the substring
+ * @remark See apr_strmatch() for a faster alternative
*/
AP_DECLARE(char *) ap_strcasestr(const char *s1, const char *s2);
/**
* Encode a string into memory allocated from a pool in base 64 format
* @param p The pool to allocate from
- * @param strin The plaintext string
+ * @param string The plaintext string
* @return The encoded string
*/
AP_DECLARE(char *) ap_pbase64encode(apr_pool_t *p, char *string);
-
/**
* Compile a regular expression to be used later
* @param p The pool to allocate from
* @param pattern the regular expression to compile
* @param cflags The bitwise or of one or more of the following:
- * @li #REG_EXTENDED - Use POSIX extended Regular Expressions
- * @li #REG_ICASE - Ignore case
- * @li #REG_NOSUB - Support for substring addressing of matches
+ * @li REG_EXTENDED - Use POSIX extended Regular Expressions
+ * @li REG_ICASE - Ignore case
+ * @li REG_NOSUB - Support for substring addressing of matches
* not required
- * @li #REG_NEWLINE - Match-any-character operators don't match new-line
+ * @li REG_NEWLINE - Match-any-character operators don't match new-line
* @return The compiled regular expression
*/
-AP_DECLARE(regex_t *) ap_pregcomp(apr_pool_t *p, const char *pattern,
- int cflags);
+AP_DECLARE(ap_regex_t *) ap_pregcomp(apr_pool_t *p, const char *pattern,
+ int cflags);
/**
* Free the memory associated with a compiled regular expression
* @param p The pool the regex was allocated from
* @param reg The regular expression to free
*/
-AP_DECLARE(void) ap_pregfree(apr_pool_t *p, regex_t *reg);
-
-/**
- * Match a null-terminated string against a pre-compiled regex.
- * @param preg The pre-compiled regex
- * @param string The string to match
- * @param nmatch Provide information regarding the location of any matches
- * @param pmatch Provide information regarding the location of any matches
- * @param eflags Bitwise or of any of:
- * @li #REG_NOTBOL - match-beginning-of-line operator always
- * fails to match
- * @li #REG_NOTEOL - match-end-of-line operator always fails to match
- * @return 0 for successful match, #REG_NOMATCH otherwise
- */
-AP_DECLARE(int) ap_regexec(regex_t *preg, const char *string,
- size_t nmatch, regmatch_t pmatch[], int eflags);
-
-/**
- * Return the error code returned by regcomp or regexec into error messages
- * @param errcode the error code returned by regexec or regcomp
- * @param preg The precompiled regex
- * @param errbuf A buffer to store the error in
- * @param errbuf_size The size of the buffer
- */
-AP_DECLARE(size_t) ap_regerror(int errcode, const regex_t *preg,
- char *errbuf, size_t errbuf_size);
+AP_DECLARE(void) ap_pregfree(apr_pool_t *p, ap_regex_t *reg);
/**
* After performing a successful regex match, you may use this function to
* @param pmatch the pmatch array returned from ap_pregex
*/
AP_DECLARE(char *) ap_pregsub(apr_pool_t *p, const char *input, const char *source,
- size_t nmatch, regmatch_t pmatch[]);
+ size_t nmatch, ap_regmatch_t pmatch[]);
/**
* We want to downcase the type/subtype for comparison purposes
*/
AP_DECLARE(char *) ap_escape_quotes(apr_pool_t *p, const char *instring);
+/**
+ * Given a string, append the PID deliminated by delim.
+ * Usually used to create a pid-appended filepath name
+ * (eg: /a/b/foo -> /a/b/foo.6726). A function, and not
+ * a macro, to avoid unistd.h dependency
+ * @param p The pool to allocate memory from
+ * @param string The string to append the PID to
+ * @param delim The string to use to deliminate the string from the PID
+ * @return A copy of the string with the PID appended
+ */
+AP_DECLARE(char *) ap_append_pid(apr_pool_t *p, const char *string,
+ const char *delim);
+
/* Misc system hackery */
/**
* Given the name of an object in the file system determine if it is a directory
AP_DECLARE(int) ap_is_directory(apr_pool_t *p, const char *name);
#ifdef _OSD_POSIX
-extern const char *os_set_account(apr_pool_t *p, const char *account);
extern int os_init_job_environment(server_rec *s, const char *user_name, int one_process);
#endif /* _OSD_POSIX */
AP_DECLARE(void) ap_log_assert(const char *szExp, const char *szFile, int nLine)
__attribute__((noreturn));
-/** @internal */
+/**
+ * @internal Internal Assert function
+ */
#define ap_assert(exp) ((exp) ? (void)0 : ap_log_assert(#exp,__FILE__,__LINE__))
/**
* Use AP_DEBUG_ASSERT() if the condition should only be checked when AP_DEBUG
* is defined.
*/
-
#ifdef AP_DEBUG
#define AP_DEBUG_ASSERT(exp) ap_assert(exp)
#else
#endif
/**
- * @defgroup stopsignal flags which indicate places where the sever should stop for debugging.
+ * @defgroup stopsignal Flags which indicate places where the sever should stop for debugging.
* @{
* A set of flags which indicate places where the server should raise(SIGSTOP).
* This is useful for debugging, because you can then attach to that process
*/
#include <string.h>
+AP_DECLARE(char *) ap_strchr(char *s, int c);
+AP_DECLARE(const char *) ap_strchr_c(const char *s, int c);
+AP_DECLARE(char *) ap_strrchr(char *s, int c);
+AP_DECLARE(const char *) ap_strrchr_c(const char *s, int c);
+AP_DECLARE(char *) ap_strstr(char *s, const char *c);
+AP_DECLARE(const char *) ap_strstr_c(const char *s, const char *c);
+
#ifdef AP_DEBUG
#undef strchr
#undef strstr
# define strstr(s, c) ap_strstr(s,c)
-AP_DECLARE(char *) ap_strchr(char *s, int c);
-AP_DECLARE(const char *) ap_strchr_c(const char *s, int c);
-AP_DECLARE(char *) ap_strrchr(char *s, int c);
-AP_DECLARE(const char *) ap_strrchr_c(const char *s, int c);
-AP_DECLARE(char *) ap_strstr(char *s, const char *c);
-AP_DECLARE(const char *) ap_strstr_c(const char *s, const char *c);
-
#else
/** use this instead of strchr */
#endif
#endif /* !APACHE_HTTPD_H */
+
+/** @} //APACHE Daemon */
+/** @} //APACHE Core */
+/** @} //APACHE super group */
+
projects / apache / blobdiff