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imapd.h
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imapd.h
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/* imapd.h -- Common state for IMAP daemon
*
* Copyright (c) 1994-2008 Carnegie Mellon University. All rights reserved.
*
* 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 name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: imapd.h,v 1.72 2010/01/06 17:01:34 murch Exp $
*/
#ifndef INCLUDED_IMAPD_H
#define INCLUDED_IMAPD_H
#include "annotate.h"
#include "charset.h"
#include "hash.h"
#include "mailbox.h"
#include "prot.h"
/* Userid client has logged in as */
extern char *imapd_userid;
/* Authorization state for logged in userid */
extern struct auth_state *imapd_authstate;
/* Client capabilities (via ENABLE) */
extern unsigned imapd_client_capa;
/* List of HEADER.FIELDS[.NOT] fetch specifications */
struct fieldlist {
char *section; /* First part of BODY[x] value */
struct strlist *fields; /* List of field-names */
char *trail; /* Last part of BODY[x] value */
void *rock;
struct fieldlist *next;
};
/* Items that may be fetched */
struct fetchargs {
int fetchitems; /* Bitmask */
struct strlist *binsections; /* BINARY[x]<x> values */
struct strlist *sizesections; /* BINARY.SIZE[x] values */
struct strlist *bodysections; /* BODY[x]<x> values */
struct fieldlist *fsections; /* BODY[xHEADER.FIELDSx]<x> values */
struct strlist *headers; /* RFC822.HEADER.LINES */
struct strlist *headers_not; /* RFC822.HEADER.LINES.NOT */
int start_octet; /* start_octet for partial fetch */
int octet_count; /* octet_count for partial fetch, or 0 */
modseq_t changedsince; /* changed since modseq, or 0 */
int vanished; /* report expunges since changedsince */
const char *match_seq;
const char *match_uid; /* sequence match data for VANISHED */
bit32 cache_atleast; /* to do headers we need atleast this
* cache version */
};
struct octetinfo
{
int start_octet;
int octet_count;
};
/* Bitmasks for fetchitems */
enum {
FETCH_UID = (1<<0),
FETCH_INTERNALDATE = (1<<1),
FETCH_SIZE = (1<<2),
FETCH_FLAGS = (1<<3),
FETCH_ENVELOPE = (1<<4),
FETCH_BODYSTRUCTURE = (1<<5),
FETCH_BODY = (1<<6),
FETCH_HEADER = (1<<7),
FETCH_TEXT = (1<<8),
FETCH_RFC822 = (1<<9),
FETCH_SETSEEN = (1<<10),
/* FETCH_UNCACHEDHEADER = (1<<11) -- obsolete */
FETCH_IS_PARTIAL = (1<<12), /* this is the PARTIAL command */
FETCH_MODSEQ = (1<<13)
};
enum {
FETCH_FAST = (FETCH_FLAGS|FETCH_INTERNALDATE|FETCH_SIZE),
FETCH_ALL = (FETCH_FLAGS|FETCH_INTERNALDATE|FETCH_SIZE|FETCH_ENVELOPE),
FETCH_FULL = (FETCH_ALL|FETCH_BODY)
};
/* Arguments to Store functions */
struct storeargs {
int operation;
modseq_t unchangedsince; /* unchanged since modseq, or ULLONG_MAX */
int silent;
int seen;
bit32 system_flags;
/* private to index.c */
bit32 user_flags[MAX_USER_FLAGS/32];
time_t update_time;
int usinguid;
/* private to index_storeflag() */
unsigned last_msgno;
unsigned last_found;
};
/* values for operation */
enum {
STORE_ADD = 1,
STORE_REMOVE = 2,
STORE_REPLACE = 3
};
struct searchsub {
struct searchsub *next;
struct searchargs *sub1;
/*
* If sub2 is null, then sub1 is NOT'ed.
* Otherwise sub1 and sub2 are OR'ed.
*/
struct searchargs *sub2;
};
/* Bitmasks for search flags */
enum {
SEARCH_RECENT_SET = (1<<0),
SEARCH_RECENT_UNSET = (1<<1),
SEARCH_SEEN_SET = (1<<2),
SEARCH_SEEN_UNSET = (1<<3)
/* SEARCH_UNCACHEDHEADER = (1<<4) -- obsolete */
};
/* Bitmasks for search return options */
enum {
SEARCH_RETURN_MIN = (1<<0),
SEARCH_RETURN_MAX = (1<<1),
SEARCH_RETURN_ALL = (1<<2),
SEARCH_RETURN_COUNT = (1<<3)
};
/* Things that may be searched for */
struct searchargs {
int flags;
unsigned smaller, larger;
time_t before, after;
time_t sentbefore, sentafter;
bit32 system_flags_set;
bit32 system_flags_unset;
bit32 user_flags_set[MAX_USER_FLAGS/32];
bit32 user_flags_unset[MAX_USER_FLAGS/32];
struct seqset *sequence;
struct seqset *uidsequence;
struct strlist *from;
struct strlist *to;
struct strlist *cc;
struct strlist *bcc;
struct strlist *subject;
struct strlist *messageid;
struct strlist *body;
struct strlist *text;
struct strlist *header_name, *header;
struct searchsub *sublist;
modseq_t modseq;
bit32 cache_atleast;
/* For ESEARCH */
const char *tag;
int returnopts;
};
/* Sort criterion */
struct sortcrit {
unsigned key; /* sort key */
int flags; /* key modifiers as defined below */
union { /* argument(s) to the sort key */
struct {
char *entry;
char *attrib;
} annot;
} args;
};
/* Values for sort keys */
enum {
SORT_SEQUENCE = 0,
SORT_ARRIVAL,
SORT_CC,
SORT_DATE,
SORT_FROM,
SORT_SIZE,
SORT_SUBJECT,
SORT_TO,
SORT_ANNOTATION,
SORT_MODSEQ
/* values > 255 are reserved for internal use */
};
/* Sort key modifier flag bits */
#define SORT_REVERSE (1<<0)
/* Bitmask for status queries */
enum {
STATUS_MESSAGES = (1<<0),
STATUS_RECENT = (1<<1),
STATUS_UIDNEXT = (1<<2),
STATUS_UIDVALIDITY = (1<<3),
STATUS_UNSEEN = (1<<4),
STATUS_HIGHESTMODSEQ = (1<<5)
};
/* Arguments to List functions */
struct listargs {
unsigned cmd; /* Command variant */
unsigned sel; /* Selection options */
unsigned ret; /* Return options */
const char *ref; /* Reference name */
struct strlist *pat; /* Mailbox pattern(s) */
const char *scan; /* SCAN content */
hash_table server_table; /* for proxying SCAN */
};
/* Value for List command variant */
enum {
LIST_CMD_LIST = 0,
LIST_CMD_LSUB,
LIST_CMD_EXTENDED,
LIST_CMD_XLIST,
};
/* Bitmask for List selection options */
enum {
LIST_SEL_SUBSCRIBED = (1<<0),
LIST_SEL_REMOTE = (1<<1),
LIST_SEL_RECURSIVEMATCH = (1<<2)
};
/* Bitmask for List return options */
enum {
LIST_RET_SUBSCRIBED = (1<<0),
LIST_RET_CHILDREN = (1<<1)
};
/* Bitmask for List name attributes */
enum {
/* from RFC 3501 */
MBOX_ATTRIBUTE_NOINFERIORS = (1<<0),
MBOX_ATTRIBUTE_NOSELECT = (1<<1),
MBOX_ATTRIBUTE_MARKED = (1<<2),
MBOX_ATTRIBUTE_UNMARKED = (1<<3),
/* from draft-ietf-imapext-list-extensions-18.txt */
MBOX_ATTRIBUTE_NONEXISTENT = (1<<4),
MBOX_ATTRIBUTE_SUBSCRIBED = (1<<5),
MBOX_ATTRIBUTE_REMOTE = (1<<6),
MBOX_ATTRIBUTE_HASCHILDREN = (1<<7),
MBOX_ATTRIBUTE_HASNOCHILDREN = (1<<8),
MBOX_ATTRIBUTE_CHILDINFO_SUBSCRIBED = (1<<9)
};
/* Bitmask for client capabilities */
enum {
CAPA_CONDSTORE = (1<<0),
CAPA_QRESYNC = (1<<1)
};
/* Bitmask for urlfetch params */
enum {
URLFETCH_BODY = (1<<0),
URLFETCH_BINARY = (1<<1),
URLFETCH_BODYPARTSTRUCTURE = (1<<2)
};
extern struct protstream *imapd_out, *imapd_in;
#endif /* INCLUDED_IMAPD_H */

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