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147 lines
5.8 KiB
C
147 lines
5.8 KiB
C
#ifndef HEADER_CURL_COOKIE_H
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#define HEADER_CURL_COOKIE_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include <curl/curl.h>
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struct Cookie {
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struct Cookie *next; /* next in the chain */
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char *name; /* <this> = value */
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char *value; /* name = <this> */
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char *path; /* path = <this> which is in Set-Cookie: */
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char *spath; /* sanitized cookie path */
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char *domain; /* domain = <this> */
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curl_off_t expires; /* expires = <this> */
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char *expirestr; /* the plain text version */
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/* RFC 2109 keywords. Version=1 means 2109-compliant cookie sending */
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char *version; /* Version = <value> */
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char *maxage; /* Max-Age = <value> */
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bool tailmatch; /* whether we do tail-matching of the domain name */
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bool secure; /* whether the 'secure' keyword was used */
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bool livecookie; /* updated from a server, not a stored file */
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bool httponly; /* true if the httponly directive is present */
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int creationtime; /* time when the cookie was written */
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unsigned char prefix; /* bitmap fields indicating which prefix are set */
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};
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/*
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* Available cookie prefixes, as defined in
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* draft-ietf-httpbis-rfc6265bis-02
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*/
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#define COOKIE_PREFIX__SECURE (1<<0)
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#define COOKIE_PREFIX__HOST (1<<1)
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#define COOKIE_HASH_SIZE 256
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struct CookieInfo {
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/* linked list of cookies we know of */
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struct Cookie *cookies[COOKIE_HASH_SIZE];
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char *filename; /* file we read from/write to */
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long numcookies; /* number of cookies in the "jar" */
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bool running; /* state info, for cookie adding information */
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bool newsession; /* new session, discard session cookies on load */
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int lastct; /* last creation-time used in the jar */
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curl_off_t next_expiration; /* the next time at which expiration happens */
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};
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/* The maximum sizes we accept for cookies. RFC 6265 section 6.1 says
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"general-use user agents SHOULD provide each of the following minimum
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capabilities":
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- At least 4096 bytes per cookie (as measured by the sum of the length of
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the cookie's name, value, and attributes).
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In the 6265bis draft document section 5.4 it is phrased even stronger: "If
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the sum of the lengths of the name string and the value string is more than
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4096 octets, abort these steps and ignore the set-cookie-string entirely."
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*/
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/** Limits for INCOMING cookies **/
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/* The longest we allow a line to be when reading a cookie from a HTTP header
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or from a cookie jar */
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#define MAX_COOKIE_LINE 5000
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/* Maximum length of an incoming cookie name or content we deal with. Longer
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cookies are ignored. */
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#define MAX_NAME 4096
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/* Maximum number of Set-Cookie: lines accepted in a single response. If more
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such header lines are received, they are ignored. This value must be less
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than 256 since an unsigned char is used to count. */
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#define MAX_SET_COOKIE_AMOUNT 50
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/** Limits for OUTGOING cookies **/
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/* Maximum size for an outgoing cookie line libcurl will use in an http
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request. This is the default maximum length used in some versions of Apache
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httpd. */
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#define MAX_COOKIE_HEADER_LEN 8190
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/* Maximum number of cookies libcurl will send in a single request, even if
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there might be more cookies that match. One reason to cap the number is to
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keep the maximum HTTP request within the maximum allowed size. */
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#define MAX_COOKIE_SEND_AMOUNT 150
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struct Curl_easy;
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/*
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* Add a cookie to the internal list of cookies. The domain and path arguments
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* are only used if the header boolean is TRUE.
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*/
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struct Cookie *Curl_cookie_add(struct Curl_easy *data,
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struct CookieInfo *c, bool header,
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bool noexpiry, char *lineptr,
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const char *domain, const char *path,
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bool secure);
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struct Cookie *Curl_cookie_getlist(struct Curl_easy *data,
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struct CookieInfo *c, const char *host,
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const char *path, bool secure);
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void Curl_cookie_freelist(struct Cookie *cookies);
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void Curl_cookie_clearall(struct CookieInfo *cookies);
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void Curl_cookie_clearsess(struct CookieInfo *cookies);
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#if defined(CURL_DISABLE_HTTP) || defined(CURL_DISABLE_COOKIES)
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#define Curl_cookie_list(x) NULL
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#define Curl_cookie_loadfiles(x) Curl_nop_stmt
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#define Curl_cookie_init(x,y,z,w) NULL
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#define Curl_cookie_cleanup(x) Curl_nop_stmt
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#define Curl_flush_cookies(x,y) Curl_nop_stmt
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#else
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void Curl_flush_cookies(struct Curl_easy *data, bool cleanup);
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void Curl_cookie_cleanup(struct CookieInfo *c);
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struct CookieInfo *Curl_cookie_init(struct Curl_easy *data,
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const char *file, struct CookieInfo *inc,
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bool newsession);
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struct curl_slist *Curl_cookie_list(struct Curl_easy *data);
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void Curl_cookie_loadfiles(struct Curl_easy *data);
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#endif
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#endif /* HEADER_CURL_COOKIE_H */
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