1 /* imap_proxy.h - IMAP proxy support functions
2  *
3  * Copyright (c) 1994-2008 Carnegie Mellon University.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * 3. The name "Carnegie Mellon University" must not be used to
18  *    endorse or promote products derived from this software without
19  *    prior written permission. For permission or any legal
20  *    details, please contact
21  *      Carnegie Mellon University
22  *      Center for Technology Transfer and Enterprise Creation
23  *      4615 Forbes Avenue
24  *      Suite 302
25  *      Pittsburgh, PA  15213
26  *      (412) 268-7393, fax: (412) 268-7395
27  *      innovation@andrew.cmu.edu
28  *
29  * 4. Redistributions of any form whatsoever must retain the following
30  *    acknowledgment:
31  *    "This product includes software developed by Computing Services
32  *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
33  *
34  * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
35  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
36  * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
37  * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
38  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
39  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
40  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
41  */
42 
43 #ifndef _IMAP_PROXY_H
44 #define _IMAP_PROXY_H
45 
46 #include "annotate.h"
47 #include "backend.h"
48 #include "imapurl.h"
49 #include "strarray.h"
50 
51 enum {
52     PROXY_NOCONNECTION = -1,
53     PROXY_OK = 0,
54     PROXY_NO = 1,
55     PROXY_BAD = 2
56 };
57 
58 enum {
59     /* IMAP capabilities */
60     CAPA_IDLE           = (1 << 3),
61     CAPA_MUPDATE        = (1 << 4),
62     CAPA_MULTIAPPEND    = (1 << 5),
63     CAPA_ACLRIGHTS      = (1 << 6),
64     CAPA_LISTEXTENDED   = (1 << 7),
65     CAPA_SASL_IR        = (1 << 8),
66     CAPA_REPLICATION    = (1 << 9),
67     CAPA_METADATA       = (1 << 10)
68 };
69 
70 extern struct protocol_t imap_protocol;
71 
72 void proxy_gentag(char *tag, size_t len);
73 
74 struct backend *proxy_findinboxserver(const char *userid);
75 
76 int pipe_until_tag(struct backend *s, const char *tag, int force_notfatal);
77 int pipe_including_tag(struct backend *s, const char *tag, int force_notfatal);
78 int pipe_command(struct backend *s, int optimistic_literal);
79 int pipe_lsub(struct backend *s, const char *userid, const char *tag,
80               int force_notfatal, struct listargs *listargs, strarray_t *subs);
81 
82 void print_listresponse(unsigned cmd, const char *extname, char hier_sep,
83                         uint32_t attributes, struct buf *extraflags);
84 
85 void proxy_copy(const char *tag, char *sequence, char *name, int myrights,
86                 int usinguid, struct backend *s);
87 
88 int proxy_catenate_url(struct backend *s, struct imapurl *url, FILE *f,
89                        unsigned long *size, const char **parseerr);
90 
91 int annotate_fetch_proxy(const char *server, const char *mbox_pat,
92                          const strarray_t *entry_pat,
93                          const strarray_t *attribute_pat);
94 int annotate_store_proxy(const char *server, const char *mbox_pat,
95                          struct entryattlist *entryatts);
96 char *find_free_server(void);
97 #endif /* _IMAP_PROXY_H */
98