2 * IMAP server for the Citadel system
4 * Copyright (C) 2000-2011 by Art Cancro and others.
5 * This code is released under the terms of the GNU General Public License.
7 * WARNING: the IMAP protocol is badly designed. No implementation of it
8 * is perfect. Indeed, with so much gratuitous complexity, *all* IMAP
9 * implementations have bugs.
11 * This program is open source software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #include <sys/types.h>
36 #if TIME_WITH_SYS_TIME
37 # include <sys/time.h>
41 # include <sys/time.h>
51 #include <libcitadel.h>
54 #include "citserver.h"
60 #include "internet_addressing.h"
61 #include "serv_imap.h"
62 #include "imap_tools.h"
63 #include "imap_list.h"
64 #include "imap_fetch.h"
65 #include "imap_search.h"
66 #include "imap_store.h"
68 #include "imap_metadata.h"
69 #include "imap_misc.h"
71 #include "ctdl_module.h"
72 int IMAPDebugEnabled = 0;
73 HashList *ImapCmds = NULL;
74 void registerImapCMD(const char *First, long FLen,
75 const char *Second, long SLen,
81 h = (imap_handler_hook*) malloc(sizeof(imap_handler_hook));
82 memset(h, 0, sizeof(imap_handler_hook));
87 Put(ImapCmds, First, FLen, h, NULL);
91 memcpy(CMD, First, FLen);
92 memcpy(CMD+FLen, Second, SLen);
93 CMD[FLen+SLen] = '\0';
94 Put(ImapCmds, CMD, FLen + SLen, h, NULL);
98 void imap_cleanup(void)
100 DeleteHash(&ImapCmds);
103 const imap_handler_hook *imap_lookup(int num_parms, ConstStr *Params)
105 struct CitContext *CCC = CC;
107 citimap *Imap = CCCIMAP;
112 /* we abuse the Reply-buffer for uppercasing... */
113 StrBufPlain(Imap->Reply, CKEY(Params[1]));
114 StrBufUpCase(Imap->Reply);
116 IMAP_syslog(LOG_DEBUG, "---- Looking up [%s] -----",
117 ChrPtr(Imap->Reply));
118 if (GetHash(ImapCmds, SKEY(Imap->Reply), &v))
120 IMAPM_syslog(LOG_DEBUG, "Found.");
121 FlushStrBuf(Imap->Reply);
122 return (imap_handler_hook *) v;
127 IMAPM_syslog(LOG_DEBUG, "NOT Found.");
128 FlushStrBuf(Imap->Reply);
132 IMAP_syslog(LOG_DEBUG, "---- Looking up [%s] -----",
133 ChrPtr(Imap->Reply));
134 StrBufAppendBufPlain(Imap->Reply, CKEY(Params[2]), 0);
135 StrBufUpCase(Imap->Reply);
136 if (GetHash(ImapCmds, SKEY(Imap->Reply), &v))
138 IMAPM_syslog(LOG_DEBUG, "Found.");
139 FlushStrBuf(Imap->Reply);
140 return (imap_handler_hook *) v;
142 IMAPM_syslog(LOG_DEBUG, "NOT Found.");
143 FlushStrBuf(Imap->Reply);
147 /* imap_rename() uses this struct containing list of rooms to rename */
150 char irl_oldroom[ROOMNAMELEN];
151 char irl_newroom[ROOMNAMELEN];
155 /* Data which is passed between imap_rename() and imap_rename_backend() */
156 typedef struct __irlparms {
166 * If there is a message ID map in memory, free it
168 void imap_free_msgids(void)
170 citimap *Imap = IMAP;
171 if (Imap->msgids != NULL) {
177 if (Imap->flags != NULL) {
181 Imap->last_mtime = (-1);
186 * If there is a transmitted message in memory, free it
188 void imap_free_transmitted_message(void)
190 FreeStrBuf(&IMAP->TransmittedMessage);
195 * Set the \Seen, \Recent. and \Answered flags, based on the sequence
196 * sets stored in the visit record for this user/room. Note that we have
197 * to parse each sequence set manually here, because calling the utility
198 * function is_msg_in_sequence_set() over and over again is too expensive.
200 * first_msg should be set to 0 to rescan the flags for every message in the
201 * room, or some other value if we're only interested in an incremental
204 void imap_set_seen_flags(int first_msg)
206 citimap *Imap = IMAP;
211 char setstr[64], lostr[64], histr[64];
214 if (Imap->num_msgs < 1) return;
215 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
217 for (i = first_msg; i < Imap->num_msgs; ++i) {
218 Imap->flags[i] = Imap->flags[i] & ~IMAP_SEEN;
219 Imap->flags[i] |= IMAP_RECENT;
220 Imap->flags[i] = Imap->flags[i] & ~IMAP_ANSWERED;
224 * Do the "\Seen" flag.
225 * (Any message not "\Seen" is considered "\Recent".)
227 num_sets = num_tokens(vbuf.v_seen, ',');
228 for (s=0; s<num_sets; ++s) {
229 extract_token(setstr, vbuf.v_seen, s, ',', sizeof setstr);
231 extract_token(lostr, setstr, 0, ':', sizeof lostr);
232 if (num_tokens(setstr, ':') >= 2) {
233 extract_token(histr, setstr, 1, ':', sizeof histr);
234 if (!strcmp(histr, "*")) {
235 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
239 strcpy(histr, lostr);
244 for (i = first_msg; i < Imap->num_msgs; ++i) {
245 if ((Imap->msgids[i] >= lo) && (Imap->msgids[i] <= hi)){
246 Imap->flags[i] |= IMAP_SEEN;
247 Imap->flags[i] = Imap->flags[i] & ~IMAP_RECENT;
252 /* Do the ANSWERED flag */
253 num_sets = num_tokens(vbuf.v_answered, ',');
254 for (s=0; s<num_sets; ++s) {
255 extract_token(setstr, vbuf.v_answered, s, ',', sizeof setstr);
257 extract_token(lostr, setstr, 0, ':', sizeof lostr);
258 if (num_tokens(setstr, ':') >= 2) {
259 extract_token(histr, setstr, 1, ':', sizeof histr);
260 if (!strcmp(histr, "*")) {
261 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
265 strcpy(histr, lostr);
270 for (i = first_msg; i < Imap->num_msgs; ++i) {
271 if ((Imap->msgids[i] >= lo) && (Imap->msgids[i] <= hi)){
272 Imap->flags[i] |= IMAP_ANSWERED;
282 * Back end for imap_load_msgids()
284 * Optimization: instead of calling realloc() to add each message, we
285 * allocate space in the list for REALLOC_INCREMENT messages at a time. This
286 * allows the mapping to proceed much faster.
288 void imap_add_single_msgid(long msgnum, void *userdata)
290 citimap *Imap = IMAP;
293 if (Imap->num_msgs > Imap->num_alloc) {
294 Imap->num_alloc += REALLOC_INCREMENT;
295 Imap->msgids = realloc(Imap->msgids, (Imap->num_alloc * sizeof(long)) );
296 Imap->flags = realloc(Imap->flags, (Imap->num_alloc * sizeof(long)) );
298 Imap->msgids[Imap->num_msgs - 1] = msgnum;
299 Imap->flags[Imap->num_msgs - 1] = 0;
305 * Set up a message ID map for the current room (folder)
307 void imap_load_msgids(void)
309 struct CitContext *CCC = CC;
310 struct cdbdata *cdbfr;
311 citimap *Imap = CCCIMAP;
313 if (Imap->selected == 0) {
314 IMAPM_syslog(LOG_ERR, "imap_load_msgids() can't run; no room selected");
318 imap_free_msgids(); /* If there was already a map, free it */
320 /* Load the message list */
321 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
323 Imap->msgids = malloc(cdbfr->len);
324 memcpy(Imap->msgids, cdbfr->ptr, cdbfr->len);
325 Imap->num_msgs = cdbfr->len / sizeof(long);
326 Imap->num_alloc = cdbfr->len / sizeof(long);
330 if (Imap->num_msgs) {
331 Imap->flags = malloc(Imap->num_alloc * sizeof(long));
332 memset(Imap->flags, 0, (Imap->num_alloc * sizeof(long)) );
335 imap_set_seen_flags(0);
340 * Re-scan the selected room (folder) and see if it's been changed at all
342 void imap_rescan_msgids(void)
344 struct CitContext *CCC = CC;
345 citimap *Imap = CCCIMAP;
346 int original_num_msgs = 0;
347 long original_highest = 0L;
349 int message_still_exists;
350 struct cdbdata *cdbfr;
351 long *msglist = NULL;
355 if (Imap->selected == 0) {
356 IMAPM_syslog(LOG_ERR, "imap_load_msgids() can't run; no room selected");
361 * Check to see if the room's contents have changed.
362 * If not, we can avoid this rescan.
364 CtdlGetRoom(&CC->room, CC->room.QRname);
365 if (Imap->last_mtime == CC->room.QRmtime) { /* No changes! */
369 /* Load the *current* message list from disk, so we can compare it
370 * to what we have in memory.
372 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
374 msglist = malloc(cdbfr->len + 1);
375 if (msglist == NULL) {
376 IMAPM_syslog(LOG_CRIT, "malloc() failed");
377 CC->kill_me = KILLME_MALLOC_FAILED;
380 memcpy(msglist, cdbfr->ptr, (size_t)cdbfr->len);
381 num_msgs = cdbfr->len / sizeof(long);
388 * Check to see if any of the messages we know about have been expunged
390 if (Imap->num_msgs > 0) {
392 for (i = 0; i < Imap->num_msgs; ++i) {
394 message_still_exists = 0;
396 for (j = jstart; j < num_msgs; ++j) {
397 if (msglist[j] == Imap->msgids[i]) {
398 message_still_exists = 1;
405 if (message_still_exists == 0) {
406 IAPrintf("* %d EXPUNGE\r\n", i + 1);
408 /* Here's some nice stupid nonsense. When a
409 * message is expunged, we have to slide all
410 * the existing messages up in the message
414 memmove(&Imap->msgids[i],
415 &Imap->msgids[i + 1],
417 (Imap->num_msgs - i)));
418 memmove(&Imap->flags[i],
421 (Imap->num_msgs - i)));
430 * Remember how many messages were here before we re-scanned.
432 original_num_msgs = Imap->num_msgs;
433 if (Imap->num_msgs > 0) {
434 original_highest = Imap->msgids[Imap->num_msgs - 1];
436 original_highest = 0L;
440 * Now peruse the room for *new* messages only.
441 * This logic is probably the cause of Bug # 368
442 * [ http://bugzilla.citadel.org/show_bug.cgi?id=368 ]
445 for (j = 0; j < num_msgs; ++j) {
446 if (msglist[j] > original_highest) {
447 imap_add_single_msgid(msglist[j], NULL);
451 imap_set_seen_flags(original_num_msgs);
454 * If new messages have arrived, tell the client about them.
456 if (Imap->num_msgs > original_num_msgs) {
458 for (j = 0; j < num_msgs; ++j) {
459 if (Imap->flags[j] & IMAP_RECENT) {
464 IAPrintf("* %d EXISTS\r\n", Imap->num_msgs);
465 IAPrintf("* %d RECENT\r\n", num_recent);
468 if (msglist != NULL) {
471 Imap->last_mtime = CC->room.QRmtime;
476 * This cleanup function blows away the temporary memory and files used by
479 void imap_cleanup_function(void)
481 struct CitContext *CCC = CC;
482 citimap *Imap = CCCIMAP;
484 /* Don't do this stuff if this is not a Imap session! */
485 if (CC->h_command_function != imap_command_loop)
488 /* If there is a mailbox selected, auto-expunge it. */
489 if (Imap->selected) {
493 IMAPM_syslog(LOG_DEBUG, "Performing IMAP cleanup hook");
495 imap_free_transmitted_message();
497 if (Imap->cached_rfc822 != NULL) {
498 FreeStrBuf(&Imap->cached_rfc822);
499 Imap->cached_rfc822_msgnum = (-1);
500 Imap->cached_rfc822_withbody = 0;
503 if (Imap->cached_body != NULL) {
504 free(Imap->cached_body);
505 Imap->cached_body = NULL;
506 Imap->cached_body_len = 0;
507 Imap->cached_bodymsgnum = (-1);
509 FreeStrBuf(&Imap->Cmd.CmdBuf);
510 FreeStrBuf(&Imap->Reply);
511 if (Imap->Cmd.Params != NULL) free(Imap->Cmd.Params);
513 IMAPM_syslog(LOG_DEBUG, "Finished IMAP cleanup hook");
518 * Does the actual work of the CAPABILITY command (because we need to
519 * output this stuff in other places as well)
521 void imap_output_capability_string(void) {
522 IAPuts("CAPABILITY IMAP4REV1 NAMESPACE ID AUTH=PLAIN AUTH=LOGIN UIDPLUS");
525 if (!CC->redirect_ssl) IAPuts(" STARTTLS");
528 #ifndef DISABLE_IMAP_ACL
532 /* We are building a partial implementation of METADATA for the sole purpose
533 * of interoperating with the ical/vcard version of the Bynari Insight Connector.
534 * It is not a full RFC5464 implementation, but it should refuse non-Bynari
535 * metadata in a compatible and graceful way.
540 * LIST-EXTENDED was originally going to be required by the METADATA extension.
541 * It was mercifully removed prior to the finalization of RFC5464. We started
542 * implementing this but stopped when we learned that it would not be needed.
543 * If you uncomment this declaration you are responsible for writing a lot of new
546 * IAPuts(" LIST-EXTENDED")
552 * implements the CAPABILITY command
554 void imap_capability(int num_parms, ConstStr *Params)
557 imap_output_capability_string();
559 IReply("OK CAPABILITY completed");
564 * Implements the ID command (specified by RFC2971)
566 * We ignore the client-supplied information, and output a NIL response.
567 * Although this is technically a valid implementation of the extension, it
568 * is quite useless. It exists only so that we may see which clients are
569 * making use of this extension.
572 void imap_id(int num_parms, ConstStr *Params)
574 IAPuts("* ID NIL\r\n");
575 IReply("OK ID completed");
580 * Here's where our IMAP session begins its happy day.
582 void imap_greeting(void)
585 CitContext *CCC = CC;
587 strcpy(CCC->cs_clientname, "IMAP session");
588 CCC->session_specific_data = malloc(sizeof(citimap));
589 Imap = (citimap *)CCC->session_specific_data;
590 memset(Imap, 0, sizeof(citimap));
591 Imap->authstate = imap_as_normal;
592 Imap->cached_rfc822_msgnum = (-1);
593 Imap->cached_rfc822_withbody = 0;
594 Imap->Reply = NewStrBufPlain(NULL, SIZ * 10); /* 40k */
598 IAPuts("* BYE; Server busy, try later\r\n");
599 CCC->kill_me = KILLME_NOLOGIN;
605 imap_output_capability_string();
606 IAPrintf("] %s IMAP4rev1 %s ready\r\n", config.c_fqdn, CITADEL);
612 * IMAPS is just like IMAP, except it goes crypto right away.
614 void imaps_greeting(void) {
615 CtdlModuleStartCryptoMsgs(NULL, NULL, NULL);
617 if (!CC->redirect_ssl) CC->kill_me = KILLME_NO_CRYPTO; /* kill session if no crypto */
624 * implements the LOGIN command (ordinary username/password login)
626 void imap_login(int num_parms, ConstStr *Params)
631 if (Params[2].Key[0] == '{') {
632 IAPuts("+ go ahead\r\n");
633 IMAP->authstate = imap_as_expecting_multilineusername;
634 strcpy(IMAP->authseq, Params[0].Key);
638 IReply("BAD incorrect number of parameters");
642 if (CtdlLoginExistingUser(NULL, Params[2].Key) == login_ok) {
643 if (CtdlTryPassword(Params[3].Key, Params[3].len) == pass_ok) {
644 /* hm, thats not doable by IReply :-( */
645 IAPrintf("%s OK [", Params[0].Key);
646 imap_output_capability_string();
647 IAPrintf("] Hello, %s\r\n", CC->user.fullname);
652 IReplyPrintf("NO AUTHENTICATE %s failed",
657 IReply("BAD Login incorrect");
659 IReply("BAD incorrect number of parameters");
667 * Implements the AUTHENTICATE command
669 void imap_authenticate(int num_parms, ConstStr *Params)
673 if (num_parms != 3) {
674 IReply("BAD incorrect number of parameters");
679 IReply("BAD Already logged in.");
683 if (!strcasecmp(Params[2].Key, "LOGIN")) {
684 CtdlEncodeBase64(UsrBuf, "Username:", 9, 0);
685 IAPrintf("+ %s\r\n", UsrBuf);
686 IMAP->authstate = imap_as_expecting_username;
687 strcpy(IMAP->authseq, Params[0].Key);
691 if (!strcasecmp(Params[2].Key, "PLAIN")) {
692 // CtdlEncodeBase64(UsrBuf, "Username:", 9, 0);
693 // IAPuts("+ %s\r\n", UsrBuf);
695 IMAP->authstate = imap_as_expecting_plainauth;
696 strcpy(IMAP->authseq, Params[0].Key);
701 IReplyPrintf("NO AUTHENTICATE %s failed",
707 void imap_auth_plain(void)
709 citimap *Imap = IMAP;
710 const char *decoded_authstring;
717 memset(pass, 0, sizeof(pass));
718 StrBufDecodeBase64(Imap->Cmd.CmdBuf);
720 decoded_authstring = ChrPtr(Imap->Cmd.CmdBuf);
721 safestrncpy(ident, decoded_authstring, sizeof ident);
722 safestrncpy(user, &decoded_authstring[strlen(ident) + 1], sizeof user);
723 len = safestrncpy(pass, &decoded_authstring[strlen(ident) + strlen(user) + 2], sizeof pass);
725 len = sizeof(pass) - 1;
727 Imap->authstate = imap_as_normal;
729 if (!IsEmptyStr(ident)) {
730 result = CtdlLoginExistingUser(user, ident);
733 result = CtdlLoginExistingUser(NULL, user);
736 if (result == login_ok) {
737 if (CtdlTryPassword(pass, len) == pass_ok) {
738 IAPrintf("%s OK authentication succeeded\r\n", Imap->authseq);
742 IAPrintf("%s NO authentication failed\r\n", Imap->authseq);
746 void imap_auth_login_user(long state)
749 citimap *Imap = IMAP;
752 case imap_as_expecting_username:
753 StrBufDecodeBase64(Imap->Cmd.CmdBuf);
754 CtdlLoginExistingUser(NULL, ChrPtr(Imap->Cmd.CmdBuf));
755 CtdlEncodeBase64(PWBuf, "Password:", 9, 0);
756 IAPrintf("+ %s\r\n", PWBuf);
758 Imap->authstate = imap_as_expecting_password;
760 case imap_as_expecting_multilineusername:
761 extract_token(PWBuf, ChrPtr(Imap->Cmd.CmdBuf), 1, ' ', sizeof(PWBuf));
762 CtdlLoginExistingUser(NULL, ChrPtr(Imap->Cmd.CmdBuf));
763 IAPuts("+ go ahead\r\n");
764 Imap->authstate = imap_as_expecting_multilinepassword;
770 void imap_auth_login_pass(long state)
772 citimap *Imap = IMAP;
773 const char *pass = NULL;
778 case imap_as_expecting_password:
779 StrBufDecodeBase64(Imap->Cmd.CmdBuf);
780 pass = ChrPtr(Imap->Cmd.CmdBuf);
781 len = StrLength(Imap->Cmd.CmdBuf);
783 case imap_as_expecting_multilinepassword:
784 pass = ChrPtr(Imap->Cmd.CmdBuf);
785 len = StrLength(Imap->Cmd.CmdBuf);
788 if (len > USERNAME_SIZE)
789 StrBufCutAt(Imap->Cmd.CmdBuf, USERNAME_SIZE, NULL);
791 if (CtdlTryPassword(pass, len) == pass_ok) {
792 IAPrintf("%s OK authentication succeeded\r\n", Imap->authseq);
794 IAPrintf("%s NO authentication failed\r\n", Imap->authseq);
796 Imap->authstate = imap_as_normal;
802 * implements the STARTTLS command (Citadel API version)
804 void imap_starttls(int num_parms, ConstStr *Params)
806 char ok_response[SIZ];
807 char nosup_response[SIZ];
808 char error_response[SIZ];
810 snprintf(ok_response, SIZ, "%s OK begin TLS negotiation now\r\n", Params[0].Key);
811 snprintf(nosup_response, SIZ, "%s NO TLS not supported here\r\n", Params[0].Key);
812 snprintf(error_response, SIZ, "%s BAD Internal error\r\n", Params[0].Key);
813 CtdlModuleStartCryptoMsgs(ok_response, nosup_response, error_response);
818 * implements the SELECT command
820 void imap_select(int num_parms, ConstStr *Params)
822 citimap *Imap = IMAP;
823 char towhere[ROOMNAMELEN];
824 char augmented_roomname[ROOMNAMELEN];
828 struct ctdlroom QRscratch;
832 /* Convert the supplied folder name to a roomname */
833 i = imap_roomname(towhere, sizeof towhere, Params[2].Key);
835 IReply("NO Invalid mailbox name.");
840 /* First try a regular match */
841 c = CtdlGetRoom(&QRscratch, towhere);
843 /* Then try a mailbox name match */
845 CtdlMailboxName(augmented_roomname, sizeof augmented_roomname, &CC->user, towhere);
846 c = CtdlGetRoom(&QRscratch, augmented_roomname);
848 safestrncpy(towhere, augmented_roomname, sizeof(towhere));
852 /* If the room exists, check security/access */
854 /* See if there is an existing user/room relationship */
855 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
857 /* normal clients have to pass through security */
863 /* Fail here if no such room */
865 IReply("NO ... no such room, or access denied");
869 /* If we already had some other folder selected, auto-expunge it */
873 * CtdlUserGoto() formally takes us to the desired room, happily returning
874 * the number of messages and number of new messages.
876 memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
877 CtdlUserGoto(NULL, 0, 0, &msgs, &new);
880 if (!strcasecmp(Params[1].Key, "EXAMINE")) {
887 Imap->last_mtime = CC->room.QRmtime;
889 IAPrintf("* %d EXISTS\r\n", msgs);
890 IAPrintf("* %d RECENT\r\n", new);
892 IAPrintf("* OK [UIDVALIDITY %ld] UID validity status\r\n", GLOBAL_UIDVALIDITY_VALUE);
893 IAPrintf("* OK [UIDNEXT %ld] Predicted next UID\r\n", CitControl.MMhighest + 1);
895 /* Technically, \Deleted is a valid flag, but not a permanent flag,
896 * because we don't maintain its state across sessions. Citadel
897 * automatically expunges mailboxes when they are de-selected.
899 * Unfortunately, omitting \Deleted as a PERMANENTFLAGS flag causes
900 * some clients (particularly Thunderbird) to misbehave -- they simply
901 * elect not to transmit the flag at all. So we have to advertise
902 * \Deleted as a PERMANENTFLAGS flag, even though it technically isn't.
904 IAPuts("* FLAGS (\\Deleted \\Seen \\Answered)\r\n");
905 IAPuts("* OK [PERMANENTFLAGS (\\Deleted \\Seen \\Answered)] permanent flags\r\n");
907 IReplyPrintf("OK [%s] %s completed",
908 (Imap->readonly ? "READ-ONLY" : "READ-WRITE"), Params[1].Key
914 * Does the real work for expunge.
916 int imap_do_expunge(void)
918 struct CitContext *CCC = CC;
919 citimap *Imap = CCCIMAP;
921 int num_expunged = 0;
922 long *delmsgs = NULL;
925 IMAPM_syslog(LOG_DEBUG, "imap_do_expunge() called");
926 if (Imap->selected == 0) {
930 if (Imap->num_msgs > 0) {
931 delmsgs = malloc(Imap->num_msgs * sizeof(long));
932 for (i = 0; i < Imap->num_msgs; ++i) {
933 if (Imap->flags[i] & IMAP_DELETED) {
934 delmsgs[num_delmsgs++] = Imap->msgids[i];
937 if (num_delmsgs > 0) {
938 CtdlDeleteMessages(CC->room.QRname, delmsgs, num_delmsgs, "");
940 num_expunged += num_delmsgs;
944 if (num_expunged > 0) {
945 imap_rescan_msgids();
948 IMAP_syslog(LOG_DEBUG, "Expunged %d messages from <%s>", num_expunged, CC->room.QRname);
949 return (num_expunged);
954 * implements the EXPUNGE command syntax
956 void imap_expunge(int num_parms, ConstStr *Params)
958 int num_expunged = 0;
960 num_expunged = imap_do_expunge();
961 IReplyPrintf("OK expunged %d messages.", num_expunged);
966 * implements the CLOSE command
968 void imap_close(int num_parms, ConstStr *Params)
971 /* Yes, we always expunge on close. */
972 if (IMAP->selected) {
979 IReply("OK CLOSE completed");
984 * Implements the NAMESPACE command.
986 void imap_namespace(int num_parms, ConstStr *Params)
993 IAPuts("* NAMESPACE ");
995 /* All personal folders are subordinate to INBOX. */
996 IAPuts("((\"INBOX/\" \"/\")) ");
998 /* Other users' folders ... coming soon! FIXME */
1001 /* Show all floors as shared namespaces. Neato! */
1003 for (i = 0; i < MAXFLOORS; ++i) {
1004 fl = CtdlGetCachedFloor(i);
1005 if (fl->f_flags & F_INUSE) {
1006 /* if (floors > 0) IAPuts(" "); samjam says this confuses javamail */
1008 snprintf(Namespace, sizeof(Namespace), "%s/", fl->f_name);
1009 plain_imap_strout(Namespace);
1016 /* Wind it up with a newline and a completion message. */
1018 IReply("OK NAMESPACE completed");
1023 * Implements the CREATE command
1026 void imap_create(int num_parms, ConstStr *Params)
1028 struct CitContext *CCC = CC;
1030 char roomname[ROOMNAMELEN];
1033 int newroomtype = 0;
1034 int newroomview = 0;
1035 char *notification_message = NULL;
1037 if (num_parms < 3) {
1038 IReply("NO A foder name must be specified");
1042 if (strchr(Params[2].Key, '\\') != NULL) {
1043 IReply("NO Invalid character in folder name");
1044 IMAPM_syslog(LOG_ERR, "invalid character in folder name");
1048 ret = imap_roomname(roomname, sizeof roomname, Params[2].Key);
1050 IReply("NO Invalid mailbox name or location");
1051 IMAPM_syslog(LOG_ERR, "invalid mailbox name or location");
1054 floornum = (ret & 0x00ff); /* lower 8 bits = floor number */
1055 flags = (ret & 0xff00); /* upper 8 bits = flags */
1057 if (flags & IR_MAILBOX) {
1058 if (strncasecmp(Params[2].Key, "INBOX/", 6)) {
1059 IReply("NO Personal folders must be created under INBOX");
1060 IMAPM_syslog(LOG_ERR, "not subordinate to inbox");
1065 if (flags & IR_MAILBOX) {
1066 newroomtype = 4; /* private mailbox */
1067 newroomview = VIEW_MAILBOX;
1069 newroomtype = 0; /* public folder */
1070 newroomview = VIEW_BBS;
1073 IMAP_syslog(LOG_INFO, "Create new room <%s> on floor <%d> with type <%d>",
1074 roomname, floornum, newroomtype);
1076 ret = CtdlCreateRoom(roomname, newroomtype, "", floornum, 1, 0, newroomview);
1078 /*** DO NOT CHANGE THIS ERROR MESSAGE IN ANY WAY! BYNARI CONNECTOR DEPENDS ON IT! ***/
1079 IReply("NO Mailbox already exists, or create failed");
1081 IReply("OK CREATE completed");
1082 /* post a message in Aide> describing the new room */
1083 notification_message = malloc(1024);
1084 snprintf(notification_message, 1024,
1085 "A new room called \"%s\" has been created by %s%s%s%s\n",
1088 ((ret & QR_MAILBOX) ? " [personal]" : ""),
1089 ((ret & QR_PRIVATE) ? " [private]" : ""),
1090 ((ret & QR_GUESSNAME) ? " [hidden]" : "")
1092 CtdlAideMessage(notification_message, "Room Creation Message");
1093 free(notification_message);
1095 IMAPM_syslog(LOG_DEBUG, "imap_create() completed");
1100 * Locate a room by its IMAP folder name, and check access to it.
1101 * If zapped_ok is nonzero, we can also look for the room in the zapped list.
1103 int imap_grabroom(char *returned_roomname, const char *foldername, int zapped_ok)
1106 char augmented_roomname[ROOMNAMELEN];
1107 char roomname[ROOMNAMELEN];
1109 struct ctdlroom QRscratch;
1113 ret = imap_roomname(roomname, sizeof roomname, foldername);
1118 /* First try a regular match */
1119 c = CtdlGetRoom(&QRscratch, roomname);
1121 /* Then try a mailbox name match */
1123 CtdlMailboxName(augmented_roomname, sizeof augmented_roomname,
1124 &CC->user, roomname);
1125 c = CtdlGetRoom(&QRscratch, augmented_roomname);
1127 safestrncpy(roomname, augmented_roomname, sizeof(roomname));
1130 /* If the room exists, check security/access */
1132 /* See if there is an existing user/room relationship */
1133 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
1135 /* normal clients have to pass through security */
1136 if (ra & UA_KNOWN) {
1139 if ((zapped_ok) && (ra & UA_ZAPPED)) {
1144 /* Fail here if no such room */
1146 strcpy(returned_roomname, "");
1149 safestrncpy(returned_roomname, QRscratch.QRname, ROOMNAMELEN);
1156 * Implements the STATUS command (sort of)
1159 void imap_status(int num_parms, ConstStr *Params)
1162 char roomname[ROOMNAMELEN];
1163 char imaproomname[SIZ];
1164 char savedroom[ROOMNAMELEN];
1167 ret = imap_grabroom(roomname, Params[2].Key, 1);
1169 IReply("NO Invalid mailbox name or location, or access denied");
1174 * CtdlUserGoto() formally takes us to the desired room, happily returning
1175 * the number of messages and number of new messages. (If another
1176 * folder is selected, save its name so we can return there!!!!!)
1178 if (IMAP->selected) {
1179 strcpy(savedroom, CC->room.QRname);
1181 CtdlUserGoto(roomname, 0, 0, &msgs, &new);
1184 * Tell the client what it wants to know. In fact, tell it *more* than
1185 * it wants to know. We happily IGnore the supplied status data item
1186 * names and simply spew all possible data items. It's far easier to
1187 * code and probably saves us some processing time too.
1189 imap_mailboxname(imaproomname, sizeof imaproomname, &CC->room);
1190 IAPuts("* STATUS ");
1191 plain_imap_strout(imaproomname);
1192 IAPrintf(" (MESSAGES %d ", msgs);
1193 IAPrintf("RECENT %d ", new); /* Initially, new==recent */
1194 IAPrintf("UIDNEXT %ld ", CitControl.MMhighest + 1);
1195 IAPrintf("UNSEEN %d)\r\n", new);
1198 * If another folder is selected, go back to that room so we can resume
1199 * our happy day without violent explosions.
1201 if (IMAP->selected) {
1202 CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
1206 * Oooh, look, we're done!
1208 IReply("OK STATUS completed");
1213 * Implements the SUBSCRIBE command
1216 void imap_subscribe(int num_parms, ConstStr *Params)
1219 char roomname[ROOMNAMELEN];
1220 char savedroom[ROOMNAMELEN];
1223 ret = imap_grabroom(roomname, Params[2].Key, 1);
1226 "NO Error %d: invalid mailbox name or location, or access denied",
1233 * CtdlUserGoto() formally takes us to the desired room, which has the side
1234 * effect of marking the room as not-zapped ... exactly the effect
1235 * we're looking for.
1237 if (IMAP->selected) {
1238 strcpy(savedroom, CC->room.QRname);
1240 CtdlUserGoto(roomname, 0, 0, &msgs, &new);
1243 * If another folder is selected, go back to that room so we can resume
1244 * our happy day without violent explosions.
1246 if (IMAP->selected) {
1247 CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
1250 IReply("OK SUBSCRIBE completed");
1255 * Implements the UNSUBSCRIBE command
1258 void imap_unsubscribe(int num_parms, ConstStr *Params)
1261 char roomname[ROOMNAMELEN];
1262 char savedroom[ROOMNAMELEN];
1265 ret = imap_grabroom(roomname, Params[2].Key, 1);
1267 IReply("NO Invalid mailbox name or location, or access denied");
1272 * CtdlUserGoto() formally takes us to the desired room.
1274 if (IMAP->selected) {
1275 strcpy(savedroom, CC->room.QRname);
1277 CtdlUserGoto(roomname, 0, 0, &msgs, &new);
1280 * Now make the API call to zap the room
1282 if (CtdlForgetThisRoom() == 0) {
1283 IReply("OK UNSUBSCRIBE completed");
1285 IReply("NO You may not unsubscribe from this folder.");
1289 * If another folder is selected, go back to that room so we can resume
1290 * our happy day without violent explosions.
1292 if (IMAP->selected) {
1293 CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
1299 * Implements the DELETE command
1302 void imap_delete(int num_parms, ConstStr *Params)
1305 char roomname[ROOMNAMELEN];
1306 char savedroom[ROOMNAMELEN];
1309 ret = imap_grabroom(roomname, Params[2].Key, 1);
1311 IReply("NO Invalid mailbox name, or access denied");
1316 * CtdlUserGoto() formally takes us to the desired room, happily returning
1317 * the number of messages and number of new messages. (If another
1318 * folder is selected, save its name so we can return there!!!!!)
1320 if (IMAP->selected) {
1321 strcpy(savedroom, CC->room.QRname);
1323 CtdlUserGoto(roomname, 0, 0, &msgs, &new);
1326 * Now delete the room.
1328 if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room)) {
1329 CtdlScheduleRoomForDeletion(&CC->room);
1330 IReply("OK DELETE completed");
1332 IReply("NO Can't delete this folder.");
1336 * If another folder is selected, go back to that room so we can resume
1337 * our happy day without violent explosions.
1339 if (IMAP->selected) {
1340 CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
1346 * Back end function for imap_rename()
1348 void imap_rename_backend(struct ctdlroom *qrbuf, void *data)
1350 char foldername[SIZ];
1351 char newfoldername[SIZ];
1352 char newroomname[ROOMNAMELEN];
1354 struct irl *irlp = NULL; /* scratch pointer */
1355 irlparms *myirlparms;
1357 myirlparms = (irlparms *) data;
1358 imap_mailboxname(foldername, sizeof foldername, qrbuf);
1360 /* Rename subfolders */
1361 if ((!strncasecmp(foldername, myirlparms->oldname,
1362 myirlparms->oldnamelen)
1363 && (foldername[myirlparms->oldnamelen] == '/'))) {
1365 sprintf(newfoldername, "%s/%s",
1366 myirlparms->newname,
1367 &foldername[myirlparms->oldnamelen + 1]
1370 newfloor = imap_roomname(newroomname,
1372 newfoldername) & 0xFF;
1374 irlp = (struct irl *) malloc(sizeof(struct irl));
1375 strcpy(irlp->irl_newroom, newroomname);
1376 strcpy(irlp->irl_oldroom, qrbuf->QRname);
1377 irlp->irl_newfloor = newfloor;
1378 irlp->next = *(myirlparms->irl);
1379 *(myirlparms->irl) = irlp;
1385 * Implements the RENAME command
1388 void imap_rename(int num_parms, ConstStr *Params)
1390 char old_room[ROOMNAMELEN];
1391 char new_room[ROOMNAMELEN];
1395 struct irl *irl = NULL; /* the list */
1396 struct irl *irlp = NULL; /* scratch pointer */
1400 if (strchr(Params[3].Key, '\\') != NULL) {
1401 IReply("NO Invalid character in folder name");
1405 imap_roomname(old_room, sizeof old_room, Params[2].Key);
1406 newr = imap_roomname(new_room, sizeof new_room, Params[3].Key);
1407 new_floor = (newr & 0xFF);
1409 r = CtdlRenameRoom(old_room, new_room, new_floor);
1411 if (r == crr_room_not_found) {
1412 IReply("NO Could not locate this folder");
1415 if (r == crr_already_exists) {
1416 IReplyPrintf("NO '%s' already exists.");
1419 if (r == crr_noneditable) {
1420 IReply("NO This folder is not editable.");
1423 if (r == crr_invalid_floor) {
1424 IReply("NO Folder root does not exist.");
1427 if (r == crr_access_denied) {
1428 IReply("NO You do not have permission to edit this folder.");
1432 IReplyPrintf("NO Rename failed - undefined error %d", r);
1436 /* If this is the INBOX, then RFC2060 says we have to just move the
1437 * contents. In a Citadel environment it's easier to rename the room
1438 * (already did that) and create a new inbox.
1440 if (!strcasecmp(Params[2].Key, "INBOX")) {
1441 CtdlCreateRoom(MAILROOM, 4, "", 0, 1, 0, VIEW_MAILBOX);
1444 /* Otherwise, do the subfolders. Build a list of rooms to rename... */
1446 irlparms.oldname = Params[2].Key;
1447 irlparms.oldnamelen = Params[2].len;
1448 irlparms.newname = Params[3].Key;
1449 irlparms.newnamelen = Params[3].len;
1450 irlparms.irl = &irl;
1451 CtdlForEachRoom(imap_rename_backend, (void *) &irlparms);
1453 /* ... and now rename them. */
1454 while (irl != NULL) {
1455 r = CtdlRenameRoom(irl->irl_oldroom,
1459 struct CitContext *CCC = CC;
1460 /* FIXME handle error returns better */
1461 IMAP_syslog(LOG_ERR, "CtdlRenameRoom() error %d", r);
1469 snprintf(aidemsg, sizeof aidemsg, "IMAP folder \"%s\" renamed to \"%s\" by %s\n",
1474 CtdlAideMessage(aidemsg, "IMAP folder rename");
1476 IReply("OK RENAME completed");
1481 * Main command loop for IMAP sessions.
1483 void imap_command_loop(void)
1485 struct CitContext *CCC = CC;
1486 struct timeval tv1, tv2;
1487 suseconds_t total_time = 0;
1489 const char *pchs, *pche;
1490 const imap_handler_hook *h;
1492 gettimeofday(&tv1, NULL);
1493 CCC->lastcmd = time(NULL);
1497 if (Imap->Cmd.CmdBuf == NULL)
1498 Imap->Cmd.CmdBuf = NewStrBufPlain(NULL, SIZ);
1500 FlushStrBuf(Imap->Cmd.CmdBuf);
1502 if (CtdlClientGetLine(Imap->Cmd.CmdBuf) < 1) {
1503 IMAPM_syslog(LOG_ERR, "client disconnected: ending session.");
1504 CC->kill_me = KILLME_CLIENT_DISCONNECTED;
1508 if (Imap->authstate == imap_as_expecting_password) {
1509 IMAPM_syslog(LOG_INFO, "<password>");
1511 else if (Imap->authstate == imap_as_expecting_plainauth) {
1512 IMAPM_syslog(LOG_INFO, "<plain_auth>");
1514 else if ((Imap->authstate == imap_as_expecting_multilineusername) ||
1515 cbmstrcasestr(ChrPtr(Imap->Cmd.CmdBuf), " LOGIN ")) {
1516 IMAPM_syslog(LOG_INFO, "LOGIN...");
1519 IMAP_syslog(LOG_DEBUG, "%s", ChrPtr(Imap->Cmd.CmdBuf));
1522 pchs = ChrPtr(Imap->Cmd.CmdBuf);
1523 pche = pchs + StrLength(Imap->Cmd.CmdBuf);
1525 while ((pche > pchs) &&
1530 StrBufCutRight(Imap->Cmd.CmdBuf, 1);
1532 StrBufTrim(Imap->Cmd.CmdBuf);
1534 /* If we're in the middle of a multi-line command, handle that */
1535 switch (Imap->authstate){
1536 case imap_as_expecting_username:
1537 imap_auth_login_user(imap_as_expecting_username);
1540 case imap_as_expecting_multilineusername:
1541 imap_auth_login_user(imap_as_expecting_multilineusername);
1544 case imap_as_expecting_plainauth:
1548 case imap_as_expecting_password:
1549 imap_auth_login_pass(imap_as_expecting_password);
1552 case imap_as_expecting_multilinepassword:
1553 imap_auth_login_pass(imap_as_expecting_multilinepassword);
1560 /* Ok, at this point we're in normal command mode.
1561 * If the command just submitted does not contain a literal, we
1562 * might think about delivering some untagged stuff...
1565 /* Grab the tag, command, and parameters. */
1566 imap_parameterize(&Imap->Cmd);
1568 /* debug output the parsed vector */
1571 IMAP_syslog(LOG_DEBUG, "----- %ld params", Imap->Cmd.num_parms);
1573 for (i=0; i < Imap->Cmd.num_parms; i++) {
1574 if (Imap->Cmd.Params[i].len != strlen(Imap->Cmd.Params[i].Key))
1575 IMAP_syslog(LOG_DEBUG, "*********** %ld != %ld : %s",
1576 Imap->Cmd.Params[i].len,
1577 strlen(Imap->Cmd.Params[i].Key),
1578 Imap->Cmd.Params[i].Key);
1580 IMAP_syslog(LOG_DEBUG, "%ld : %s",
1581 Imap->Cmd.Params[i].len,
1582 Imap->Cmd.Params[i].Key);
1586 /* Now for the command set. */
1587 h = imap_lookup(Imap->Cmd.num_parms, Imap->Cmd.Params);
1591 IReply("BAD command unrecognized");
1595 /* RFC3501 says that we cannot output untagged data during these commands */
1596 if ((h->Flags & I_FLAG_UNTAGGED) == 0) {
1598 /* we can put any additional untagged stuff right here in the future */
1601 * Before processing the command that was just entered... if we happen
1602 * to have a folder selected, we'd like to rescan that folder for new
1603 * messages, and for deletions/changes of existing messages. This
1604 * could probably be optimized better with some deep thought...
1606 if (Imap->selected) {
1607 imap_rescan_msgids();
1611 /* does our command require a logged-in state */
1612 if ((!CC->logged_in) && ((h->Flags & I_FLAG_LOGGED_IN) != 0)) {
1613 IReply("BAD Not logged in.");
1617 /* does our command require the SELECT state on a mailbox */
1618 if ((Imap->selected == 0) && ((h->Flags & I_FLAG_SELECT) != 0)){
1619 IReply("BAD no folder selected");
1622 h->h(Imap->Cmd.num_parms, Imap->Cmd.Params);
1624 /* If the client transmitted a message we can free it now */
1629 imap_free_transmitted_message();
1631 gettimeofday(&tv2, NULL);
1632 total_time = (tv2.tv_usec + (tv2.tv_sec * 1000000)) - (tv1.tv_usec + (tv1.tv_sec * 1000000));
1633 IMAP_syslog(LOG_DEBUG, "IMAP command completed in %ld.%ld seconds",
1634 (total_time / 1000000),
1635 (total_time % 1000000)
1639 void imap_noop (int num_parms, ConstStr *Params)
1641 IReply("OK No operation");
1644 void imap_logout(int num_parms, ConstStr *Params)
1646 if (IMAP->selected) {
1647 imap_do_expunge(); /* yes, we auto-expunge at logout */
1649 IAPrintf("* BYE %s logging out\r\n", config.c_fqdn);
1650 IReply("OK Citadel IMAP session ended.");
1651 CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
1655 const char *CitadelServiceIMAP="IMAP";
1656 const char *CitadelServiceIMAPS="IMAPS";
1658 void SetIMAPDebugEnabled(const int n)
1660 IMAPDebugEnabled = n;
1663 * This function is called to register the IMAP extension with Citadel.
1665 CTDL_MODULE_INIT(imap)
1667 if (ImapCmds == NULL)
1668 ImapCmds = NewHash(1, NULL);
1670 RegisterImapCMD("NOOP", "", imap_noop, I_FLAG_NONE);
1671 RegisterImapCMD("CHECK", "", imap_noop, I_FLAG_NONE);
1672 RegisterImapCMD("ID", "", imap_id, I_FLAG_NONE);
1673 RegisterImapCMD("LOGOUT", "", imap_logout, I_FLAG_NONE);
1674 RegisterImapCMD("LOGIN", "", imap_login, I_FLAG_NONE);
1675 RegisterImapCMD("AUTHENTICATE", "", imap_authenticate, I_FLAG_NONE);
1676 RegisterImapCMD("CAPABILITY", "", imap_capability, I_FLAG_NONE);
1678 RegisterImapCMD("STARTTLS", "", imap_starttls, I_FLAG_NONE);
1681 /* The commans below require a logged-in state */
1682 RegisterImapCMD("SELECT", "", imap_select, I_FLAG_LOGGED_IN);
1683 RegisterImapCMD("EXAMINE", "", imap_select, I_FLAG_LOGGED_IN);
1684 RegisterImapCMD("LSUB", "", imap_list, I_FLAG_LOGGED_IN);
1685 RegisterImapCMD("LIST", "", imap_list, I_FLAG_LOGGED_IN);
1686 RegisterImapCMD("CREATE", "", imap_create, I_FLAG_LOGGED_IN);
1687 RegisterImapCMD("DELETE", "", imap_delete, I_FLAG_LOGGED_IN);
1688 RegisterImapCMD("RENAME", "", imap_rename, I_FLAG_LOGGED_IN);
1689 RegisterImapCMD("STATUS", "", imap_status, I_FLAG_LOGGED_IN);
1690 RegisterImapCMD("SUBSCRIBE", "", imap_subscribe, I_FLAG_LOGGED_IN);
1691 RegisterImapCMD("UNSUBSCRIBE", "", imap_unsubscribe, I_FLAG_LOGGED_IN);
1692 RegisterImapCMD("APPEND", "", imap_append, I_FLAG_LOGGED_IN);
1693 RegisterImapCMD("NAMESPACE", "", imap_namespace, I_FLAG_LOGGED_IN);
1694 RegisterImapCMD("SETACL", "", imap_setacl, I_FLAG_LOGGED_IN);
1695 RegisterImapCMD("DELETEACL", "", imap_deleteacl, I_FLAG_LOGGED_IN);
1696 RegisterImapCMD("GETACL", "", imap_getacl, I_FLAG_LOGGED_IN);
1697 RegisterImapCMD("LISTRIGHTS", "", imap_listrights, I_FLAG_LOGGED_IN);
1698 RegisterImapCMD("MYRIGHTS", "", imap_myrights, I_FLAG_LOGGED_IN);
1699 RegisterImapCMD("GETMETADATA", "", imap_getmetadata, I_FLAG_LOGGED_IN);
1700 RegisterImapCMD("SETMETADATA", "", imap_setmetadata, I_FLAG_LOGGED_IN);
1702 /* The commands below require the SELECT state on a mailbox */
1703 RegisterImapCMD("FETCH", "", imap_fetch, I_FLAG_LOGGED_IN | I_FLAG_SELECT | I_FLAG_UNTAGGED);
1704 RegisterImapCMD("UID", "FETCH", imap_uidfetch, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1705 RegisterImapCMD("SEARCH", "", imap_search, I_FLAG_LOGGED_IN | I_FLAG_SELECT | I_FLAG_UNTAGGED);
1706 RegisterImapCMD("UID", "SEARCH", imap_uidsearch, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1707 RegisterImapCMD("STORE", "", imap_store, I_FLAG_LOGGED_IN | I_FLAG_SELECT | I_FLAG_UNTAGGED);
1708 RegisterImapCMD("UID", "STORE", imap_uidstore, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1709 RegisterImapCMD("COPY", "", imap_copy, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1710 RegisterImapCMD("UID", "COPY", imap_uidcopy, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1711 RegisterImapCMD("EXPUNGE", "", imap_expunge, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1712 RegisterImapCMD("UID", "EXPUNGE", imap_expunge, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1713 RegisterImapCMD("CLOSE", "", imap_close, I_FLAG_LOGGED_IN | I_FLAG_SELECT);
1717 CtdlRegisterDebugFlagHook(HKEY("imapsrv"), SetIMAPDebugEnabled, &IMAPDebugEnabled);
1718 CtdlRegisterServiceHook(config.c_imap_port,
1719 NULL, imap_greeting, imap_command_loop, NULL, CitadelServiceIMAP);
1721 CtdlRegisterServiceHook(config.c_imaps_port,
1722 NULL, imaps_greeting, imap_command_loop, NULL, CitadelServiceIMAPS);
1724 CtdlRegisterSessionHook(imap_cleanup_function, EVT_STOP, PRIO_STOP + 30);
1725 CtdlRegisterCleanupHook(imap_cleanup);
1728 /* return our module name for the log */