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/* ========================================================================
* Copyright 1988-2007 University of Washington
*
* Licensed 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
*
*
* ========================================================================
*/
/*
* Program: Interactive Mail Access Protocol 4rev1 (IMAP4R1) routines
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 14 October 1988
* Last Edited: 5 September 2007
*/
/* This include file is provided for applications which need to look under
* the covers at the IMAP driver and in particular want to do different
* operations depending upon the IMAP server's protocol level and
* capabilities. It is NOT included in the normal c-client.h application
* export, and most applications do NOT need the definitions in this file.
*
* As of October 15, 2003, it is believed that:
*
* Version RFC Status Known Implementations
* ------- --- ------ ---------------------
* IMAP1 none extinct experimental TOPS-20 server
* IMAP2 1064 extinct old TOPS-20, SUMEX servers
* IMAP2 1176 rare TOPS-20, old UW servers
* IMAP2bis expired I-D uncommon old UW, Cyrus servers
* IMAP3 1203 extinct none (never implemented)
* IMAP4 1730 rare old UW, Cyrus, Netscape servers
* IMAP4rev1 2060, 3501 ubiquitous UW, Cyrus, and many others
*
* Most client implementations will only interoperate with an IMAP4rev1
* server. c-client based client implementations can interoperate with IMAP2,
* IMAP2bis, IMAP4, and IMAP4rev1 servers, but only if they are very careful.
*
* The LEVELxxx() macros in this file enable the client to determine the
* server protocol level and capabilities. This file also contains a few
* backdoor calls into the IMAP driver.
*/
/* Server protocol level and capabilities */
typedef struct imap_cap {
unsigned int rfc1176 : 1; /* server is RFC-1176 IMAP2 */
unsigned int imap2bis : 1; /* server is IMAP2bis */
unsigned int imap4 : 1; /* server is IMAP4 (RFC 1730) */
unsigned int imap4rev1 : 1; /* server is IMAP4rev1 */
unsigned int acl : 1; /* server has ACL (RFC 2086) */
unsigned int quota : 1; /* server has QUOTA (RFC 2087) */
unsigned int litplus : 1; /* server has LITERAL+ (RFC 2088) */
unsigned int idle : 1; /* server has IDLE (RFC 2177) */
unsigned int mbx_ref : 1; /* server has mailbox referrals (RFC 2193) */
unsigned int log_ref : 1; /* server has login referrals (RFC 2221) */
unsigned int authanon : 1; /* server has anonymous SASL (RFC 2245) */
unsigned int namespace :1; /* server has NAMESPACE (RFC 2342) */
unsigned int uidplus : 1; /* server has UIDPLUS (RFC 2359) */
unsigned int starttls : 1; /* server has STARTTLS (RFC 2595) */
/* server disallows LOGIN command (RFC 2595) */
unsigned int logindisabled : 1;
unsigned int id : 1; /* server has ID (RFC 2971) */
unsigned int children : 1; /* server has CHILDREN (RFC 3348) */
unsigned int multiappend : 1; /* server has multi-APPEND (RFC 3502) ;*/
unsigned int binary : 1; /* server has BINARY (RFC 3516) */
unsigned int unselect : 1; /* server has UNSELECT */
unsigned int sasl_ir : 1; /* server has SASL-IR initial response */
unsigned int sort : 1; /* server has SORT */
unsigned int scan : 1; /* server has SCAN */
unsigned int urlauth : 1; /* server has URLAUTH (RFC 4467) */
unsigned int catenate : 1; /* server has CATENATE (RFC 4469) */
unsigned int condstore : 1; /* server has CONDSTORE (RFC 4551) */
unsigned int esearch : 1; /* server has ESEARCH (RFC 4731) */
unsigned int within : 1; /* server has WITHIN (RFC 5032) */
unsigned int extlevel; /* extension data level supported by server */
/* supported authenticators */
unsigned int auth : MAXAUTHENTICATORS;
THREADER *threader; /* list of threaders */
} IMAPCAP;
/* IMAP4rev1 level or better */
#define LEVELIMAP4rev1(stream) imap_cap (stream)->imap4rev1
#define LEVELSTATUS LEVELIMAP4rev1
/* IMAP4 level or better (not including RFC 1730 design mistakes) */
#define LEVELIMAP4(stream) (imap_cap (stream)->imap4rev1 || \
imap_cap (stream)->imap4)
/* IMAP4 RFC-1730 level */
#define LEVEL1730(stream) imap_cap (stream)->imap4
/* IMAP2bis level or better */
#define LEVELIMAP2bis(stream) imap_cap (stream)->imap2bis
/* IMAP2 RFC-1176 level or better */
#define LEVEL1176(stream) imap_cap (stream)->rfc1176
/* IMAP2 RFC-1064 or better */
#define LEVEL1064(stream) 1
/* Has ACL extension */
#define LEVELACL(stream) imap_cap (stream)->acl
/* Has QUOTA extension */
#define LEVELQUOTA(stream) imap_cap (stream)->quota
/* Has LITERALPLUS extension */
#define LEVELLITERALPLUS(stream) imap_cap (stream)->litplus
/* Has IDLE extension */
#define LEVELIDLE(stream) imap_cap (stream)->idle
/* Has mailbox referrals */
#define LEVELMBX_REF(stream) imap_cap (stream)->mbx_ref
/* Has login referrals */
#define LEVELLOG_REF(stream) imap_cap (stream)->log_ref
/* Has AUTH=ANONYMOUS extension */
#define LEVELANONYMOUS(stream) imap_cap (stream)->authanon
/* Has NAMESPACE extension */
#define LEVELNAMESPACE(stream) imap_cap (stream)->namespace
/* Has UIDPLUS extension */
#define LEVELUIDPLUS(stream) imap_cap (stream)->uidplus
/* Has STARTTLS extension */
#define LEVELSTARTTLS(stream) imap_cap (stream)->starttls
/* Has LOGINDISABLED extension */
#define LEVELLOGINDISABLED(stream) imap_cap (stream)->logindisabled
/* Has ID extension */
#define LEVELID(stream) imap_cap (stream)->id
/* Has CHILDREN extension */
#define LEVELCHILDREN(stream) imap_cap (stream)->children
/* Has MULTIAPPEND extension */
#define LEVELMULTIAPPEND(stream) imap_cap (stream)->multiappend
/* Has BINARY extension */
#define LEVELBINARY(stream) imap_cap (stream)->binary
/* Has UNSELECT extension */
#define LEVELUNSELECT(stream) imap_cap (stream)->unselect
/* Has SASL initial response extension */
#define LEVELSASLIR(stream) imap_cap (stream)->sasl_ir
/* Has SORT extension */
#define LEVELSORT(stream) imap_cap (stream)->sort
/* Has at least one THREAD extension */
#define LEVELTHREAD(stream) ((imap_cap (stream)->threader) ? T : NIL)
/* Has SCAN extension */
#define LEVELSCAN(stream) imap_cap (stream)->scan
/* Has URLAUTH extension */
#define LEVELURLAUTH(stream) imap_cap (stream)->urlauth
/* Has CATENATE extension */
#define LEVELCATENATE(stream) imap_cap (stream)->catenate
/* Has CONDSTORE extension */
#define LEVELCONDSTORE(stream) imap_cap (stream)->condstore
/* Has ESEARCH extension */
#define LEVELESEARCH(stream) imap_cap (stream)->esearch
/* Has WITHIN extension */
#define LEVELWITHIN(stream) imap_cap (stream)->within
/* Body structure extension levels */
/* These are in BODYSTRUCTURE order. Note that multipart bodies do not have
* body-fld-md5. This is alright, since all subsequent body structure
* extensions are in both singlepart and multipart bodies. If that ever
* changes, this will have to be split.
*/
#define BODYEXTMD5 1 /* body-fld-md5 */
#define BODYEXTDSP 2 /* body-fld-dsp */
#define BODYEXTLANG 3 /* body-fld-lang */
#define BODYEXTLOC 4 /* body-fld-loc */
/* Function prototypes */
IMAPCAP *imap_cap (MAILSTREAM *stream);
char *imap_host (MAILSTREAM *stream);
long imap_cache (MAILSTREAM *stream,unsigned long msgno,char *seg,
STRINGLIST *stl,SIZEDTEXT *text);
/* Temporary */
long imap_setacl (MAILSTREAM *stream,char *mailbox,char *id,char *rights);
long imap_deleteacl (MAILSTREAM *stream,char *mailbox,char *id);
long imap_getacl (MAILSTREAM *stream,char *mailbox);
long imap_listrights (MAILSTREAM *stream,char *mailbox,char *id);
long imap_myrights (MAILSTREAM *stream,char *mailbox);
long imap_setquota (MAILSTREAM *stream,char *qroot,STRINGLIST *limits);
long imap_getquota (MAILSTREAM *stream,char *qroot);
long imap_getquotaroot (MAILSTREAM *stream,char *mailbox);