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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.
*/
/**
* @file util_cookies.h
* @brief Apache cookie library
*/
#ifndef UTIL_COOKIES_H
#define UTIL_COOKIES_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup APACHE_CORE_COOKIE Cookies
* @ingroup APACHE_CORE
*
* RFC2109 and RFC2965 compliant HTTP cookies can be read from and written
* to using this set of functions.
*
*/
#include "apr_errno.h"
#include "httpd.h"
#define SET_COOKIE "Set-Cookie"
#define SET_COOKIE2 "Set-Cookie2"
#define DEFAULT_ATTRS "HttpOnly;Secure;Version=1"
#define CLEAR_ATTRS "Version=1"
typedef struct {
request_rec *r;
const char *name;
const char *encoded;
apr_table_t *new_cookies;
int duplicated;
} ap_cookie_do;
/**
* Write an RFC2109 compliant cookie.
*
* @param r The request
* @param name The name of the cookie.
* @param val The value to place in the cookie.
* @param attrs The string containing additional cookie attributes. If NULL, the
* DEFAULT_ATTRS will be used.
* @param maxage If non zero, a Max-Age header will be added to the cookie.
* @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL
* to which the cookies should be added.
*/
AP_DECLARE(apr_status_t) ap_cookie_write(request_rec * r, const char *name, const char *val,
const char *attrs, long maxage, ...);
/**
* Write an RFC2965 compliant cookie.
*
* @param r The request
* @param name2 The name of the cookie.
* @param val The value to place in the cookie.
* @param attrs2 The string containing additional cookie attributes. If NULL, the
* DEFAULT_ATTRS will be used.
* @param maxage If non zero, a Max-Age header will be added to the cookie.
* @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL
* to which the cookies should be added.
*/
AP_DECLARE(apr_status_t) ap_cookie_write2(request_rec * r, const char *name2, const char *val,
const char *attrs2, long maxage, ...);
/**
* Remove an RFC2109 compliant cookie.
*
* @param r The request
* @param name The name of the cookie.
* @param attrs The string containing additional cookie attributes. If NULL, the
* CLEAR_ATTRS will be used.
* @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL
* to which the cookies should be added.
*/
AP_DECLARE(apr_status_t) ap_cookie_remove(request_rec * r, const char *name, const char *attrs, ...);
/**
* Remove an RFC2965 compliant cookie.
*
* @param r The request
* @param name2 The name of the cookie.
* @param attrs2 The string containing additional cookie attributes. If NULL, the
* CLEAR_ATTRS will be used.
* @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL
* to which the cookies should be added.
*/
AP_DECLARE(apr_status_t) ap_cookie_remove2(request_rec * r, const char *name2, const char *attrs2, ...);
/**
* Read a cookie called name, placing its value in val.
*
* Both the Cookie and Cookie2 headers are scanned for the cookie.
*
* If the cookie is duplicated, this function returns APR_EGENERAL. If found,
* and if remove is non zero, the cookie will be removed from the headers, and
* thus kept private from the backend.
*/
AP_DECLARE(apr_status_t) ap_cookie_read(request_rec * r, const char *name, const char **val,
int remove);
/**
* Sanity check a given string that it exists, is not empty,
* and does not contain the special characters '=', ';' and '&'.
*
* It is used to sanity check the cookie names.
*/
AP_DECLARE(apr_status_t) ap_cookie_check_string(const char *string);
#ifdef __cplusplus
}
#endif
#endif /* !UTIL_COOKIES_H */
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