2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-8 Michael R. Elkins <me@mutt.org>
4 * Copyright (C) 1996-9 Brandon Long <blong@fiction.net>
5 * Copyright (C) 1999-2005 Brendan Cully <brendan@kublai.com>
7 * This file is part of mutt-ng, see http://www.muttng.org/.
8 * It's licensed under the GNU General Public License,
9 * please see the file GPL in the top level source directory.
12 /* Support for IMAP4rev1, with the occasional nod to IMAP 4. */
14 #include <lib-lib/lib-lib.h>
15 #include <lib-mx/mx.h>
22 #include "imap_private.h"
23 #if defined(USE_SSL) || defined(USE_GNUTLS)
24 # include <lib-sys/mutt_ssl.h>
28 /* imap forward declarations */
29 static int imap_get_delim (IMAP_DATA * idata);
30 static char *imap_get_flags (string_list_t ** hflags, char *s);
31 static int imap_check_acl (IMAP_DATA * idata);
32 static int imap_check_capabilities (IMAP_DATA * idata);
33 static void imap_set_flag (IMAP_DATA * idata, int aclbit, int flag,
34 const char *str, char *flags, size_t flsize);
36 /* imap_access: Check permissions on an IMAP mailbox.
37 * TODO: ACL checks. Right now we assume if it exists we can
39 static int imap_access (const char *path, int flags __attribute__ ((unused)))
43 char buf[LONG_STRING];
44 char mailbox[LONG_STRING];
45 char mbox[LONG_STRING];
47 if (imap_parse_path (path, &mx))
50 if (!(idata = imap_conn_find (&mx.account,
51 option (OPTIMAPPASSIVE) ? M_IMAP_CONN_NONEW :
57 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
59 /* we may already be in the folder we're checking */
60 if (!m_strcmp(idata->mailbox, mx.mbox)) {
66 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
68 if (mutt_bit_isset (idata->capabilities, IMAP4REV1))
69 snprintf (buf, sizeof (buf), "STATUS %s (UIDVALIDITY)", mbox);
70 else if (mutt_bit_isset (idata->capabilities, STATUS))
71 snprintf (buf, sizeof (buf), "STATUS %s (UID-VALIDITY)", mbox);
76 if (imap_exec (idata, buf, IMAP_CMD_FAIL_OK) < 0) {
83 int imap_create_mailbox (IMAP_DATA * idata, char *mailbox)
85 char buf[LONG_STRING], mbox[LONG_STRING];
87 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
88 snprintf (buf, sizeof (buf), "CREATE %s", mbox);
90 if (imap_exec (idata, buf, 0) != 0)
96 int imap_rename_mailbox (IMAP_DATA * idata, IMAP_MBOX * mx,
99 char oldmbox[LONG_STRING];
100 char newmbox[LONG_STRING];
101 char buf[LONG_STRING];
103 imap_munge_mbox_name (oldmbox, sizeof (oldmbox), mx->mbox);
104 imap_munge_mbox_name (newmbox, sizeof (newmbox), newname);
106 snprintf (buf, sizeof (buf), "RENAME %s %s", oldmbox, newmbox);
108 if (imap_exec (idata, buf, 0) != 0)
114 int imap_delete_mailbox (CONTEXT * ctx, IMAP_MBOX mx)
116 char buf[LONG_STRING], mbox[LONG_STRING];
119 if (!ctx || !ctx->data) {
120 if (!(idata = imap_conn_find (&mx.account,
121 option (OPTIMAPPASSIVE) ? M_IMAP_CONN_NONEW
131 imap_munge_mbox_name (mbox, sizeof (mbox), mx.mbox);
132 snprintf (buf, sizeof (buf), "DELETE %s", mbox);
134 if (imap_exec ((IMAP_DATA *) idata, buf, 0) != 0)
140 /* imap_logout_all: close all open connections. Quick and dirty until we can
141 * make sure we've got all the context we need. */
142 void imap_logout_all (void)
147 conn = mutt_socket_head ();
152 if (conn->account.type == M_ACCT_TYPE_IMAP && conn->fd >= 0) {
153 mutt_message (_("Closing connection to %s..."), conn->account.host);
154 imap_logout ((IMAP_DATA *) conn->data);
156 mutt_socket_close (conn);
157 mutt_socket_free (conn);
164 /* imap_read_literal: read bytes bytes from server into file. Not explicitly
165 * buffered, relies on FILE buffering. NOTE: strips \r from \r\n.
166 * Apparently even literals use \r\n-terminated strings ?! */
167 int imap_read_literal (FILE * fp, IMAP_DATA * idata, long bytes, progress_t* bar)
174 for (pos = 0; pos < bytes; pos++) {
175 if (mutt_socket_readchar (idata->conn, &c) != 1) {
176 idata->status = IMAP_FATAL;
182 if (r == 1 && c != '\n')
193 if (bar && !(pos % 1024))
194 mutt_progress_bar (bar, pos);
200 /* imap_expunge_mailbox: Purge IMAP portion of expunged messages from the
201 * context. Must not be done while something has a handle on any headers
202 * (eg inside pager or editor). That is, check IMAP_REOPEN_ALLOW. */
203 void imap_expunge_mailbox (IMAP_DATA * idata)
208 for (i = 0; i < idata->ctx->msgcount; i++) {
209 h = idata->ctx->hdrs[i];
211 if (h->index == -1) {
214 /* free cached body from disk, if neccessary */
215 cacheno = HEADER_DATA (h)->uid % IMAP_CACHE_LEN;
216 if (idata->cache[cacheno].uid == HEADER_DATA (h)->uid &&
217 idata->cache[cacheno].path) {
218 unlink (idata->cache[cacheno].path);
219 p_delete(&idata->cache[cacheno].path);
222 imap_free_header_data (&h->data);
226 /* We may be called on to expunge at any time. We can't rely on the caller
227 * to always know to rethread */
228 mx_update_tables (idata->ctx, 0);
229 mutt_sort_headers (idata->ctx, 1);
232 static int imap_get_delim (IMAP_DATA * idata)
237 /* assume that the delim is /. If this fails, we're in bigger trouble
238 * than getting the delim wrong */
241 imap_cmd_start (idata, "string_list_t \"\" \"\"");
244 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
247 s = imap_next_word (idata->cmd.buf);
248 if (ascii_strncasecmp ("string_list_t", s, 4) == 0) {
249 s = imap_next_word (s);
250 s = imap_next_word (s);
251 if (s && s[0] == '\"' && s[1] && s[2] == '\"')
253 else if (s && s[0] == '\"' && s[1] && s[1] == '\\' && s[2]
258 while (rc == IMAP_CMD_CONTINUE);
263 /* get rights for folder, let imap_handle_untagged do the rest */
264 static int imap_check_acl (IMAP_DATA * idata)
266 char buf[LONG_STRING];
267 char mbox[LONG_STRING];
269 imap_munge_mbox_name (mbox, sizeof (mbox), idata->mailbox);
270 snprintf (buf, sizeof (buf), "MYRIGHTS %s", mbox);
271 if (imap_exec (idata, buf, 0) != 0) {
272 imap_error ("imap_check_acl", buf);
278 /* imap_check_capabilities: make sure we can log in to this server. */
279 static int imap_check_capabilities (IMAP_DATA * idata)
281 if (imap_exec (idata, "CAPABILITY", 0) != 0) {
282 imap_error ("imap_check_capabilities", idata->cmd.buf);
286 if (!(mutt_bit_isset (idata->capabilities, IMAP4)
287 || mutt_bit_isset (idata->capabilities, IMAP4REV1))) {
288 mutt_error _("This IMAP server is ancient. Mutt does not work with it.");
290 mutt_sleep (2); /* pause a moment to let the user see the error */
298 /* imap_conn_find: Find an open IMAP connection matching account, or open
299 * a new one if none can be found. */
300 IMAP_DATA *imap_conn_find (const ACCOUNT * account, int flags)
307 if (!(conn = mutt_conn_find (NULL, account)))
310 /* if opening a new UNSELECTED connection, preserve existing creds */
311 creds = &(conn->account);
313 /* make sure this connection is not in SELECTED state, if neccessary */
314 if (flags & M_IMAP_CONN_NOSELECT)
315 while (conn->data && ((IMAP_DATA *) conn->data)->state == IMAP_SELECTED) {
316 if (!(conn = mutt_conn_find (conn, account)))
318 memcpy (&(conn->account), creds, sizeof (ACCOUNT));
321 idata = (IMAP_DATA *) conn->data;
323 /* don't open a new connection if one isn't wanted */
324 if (flags & M_IMAP_CONN_NONEW) {
326 mutt_socket_free (conn);
329 if (idata->state < IMAP_AUTHENTICATED)
334 /* The current connection is a new connection */
335 if (!(idata = imap_new_idata ())) {
336 mutt_socket_free (conn);
345 if (idata->state == IMAP_DISCONNECTED)
346 imap_open_connection (idata);
347 if (idata->state == IMAP_CONNECTED) {
348 if (!imap_authenticate (idata)) {
349 idata->state = IMAP_AUTHENTICATED;
351 mutt_account_unsetpass (&idata->conn->account);
354 p_delete(&idata->capstr);
356 if (new && idata->state == IMAP_AUTHENTICATED) {
357 imap_get_delim (idata);
358 if (option (OPTIMAPCHECKSUBSCRIBED)) {
359 mutt_message _("Checking mailbox subscriptions");
360 imap_exec (idata, "LSUB \"\" \"*\"", 0);
367 int imap_open_connection (IMAP_DATA * idata)
369 char buf[LONG_STRING];
371 if (mutt_socket_open (idata->conn) < 0)
374 idata->state = IMAP_CONNECTED;
376 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE) {
377 mutt_socket_close (idata->conn);
378 idata->state = IMAP_DISCONNECTED;
382 if (ascii_strncasecmp ("* OK", idata->cmd.buf, 4) == 0) {
383 /* TODO: Parse new tagged CAPABILITY data (* OK [CAPABILITY...]) */
384 if (imap_check_capabilities (idata))
386 #if defined(USE_SSL) || defined(USE_GNUTLS)
387 /* Attempt STARTTLS if available and desired. */
388 if (!idata->conn->ssf && (option(OPTSSLFORCETLS) ||
389 mutt_bit_isset (idata->capabilities, STARTTLS))) {
392 if (option (OPTSSLFORCETLS))
394 else if ((rc = query_quadoption (OPT_SSLSTARTTLS,
395 _("Secure connection with TLS?"))) == -1)
398 if ((rc = imap_exec (idata, "STARTTLS", IMAP_CMD_FAIL_OK)) == -1)
401 #if defined (USE_SSL) || defined (USE_GNUTLS)
402 if (mutt_ssl_starttls (idata->conn))
405 mutt_error (_("Could not negotiate TLS connection"));
410 /* RFC 2595 demands we recheck CAPABILITY after TLS completes. */
411 if (imap_exec (idata, "CAPABILITY", 0))
418 if (option(OPTSSLFORCETLS) && ! idata->conn->ssf) {
419 mutt_error _("Encrypted connection unavailable");
425 else if (ascii_strncasecmp ("* PREAUTH", idata->cmd.buf, 9) == 0) {
426 idata->state = IMAP_AUTHENTICATED;
427 if (imap_check_capabilities (idata) != 0)
429 p_delete(&idata->capstr);
432 imap_error ("imap_open_connection()", buf);
439 mutt_socket_close (idata->conn);
440 idata->state = IMAP_DISCONNECTED;
442 p_delete(&idata->capstr);
446 /* imap_get_flags: Make a simple list out of a FLAGS response.
447 * return stream following FLAGS response */
448 static char *imap_get_flags (string_list_t ** hflags, char *s)
450 string_list_t *flags;
454 /* sanity-check string */
455 if (ascii_strncasecmp ("FLAGS", s, 5) != 0) {
458 s = vskipspaces(s + 5);
463 /* create list, update caller's flags handle */
464 flags = string_item_new();
467 while (*s && *s != ')') {
468 s = vskipspaces(s + 1);
470 while (*s && (*s != ')') && !ISSPACE (*s))
475 mutt_add_list (flags, flag_word);
479 /* note bad flags response */
481 string_list_wipe(hflags);
491 static int imap_open_mailbox (CONTEXT * ctx)
495 char buf[LONG_STRING];
496 char bufout[LONG_STRING];
501 if (imap_parse_path (ctx->path, &mx)) {
502 mutt_error (_("%s is an invalid IMAP path"), ctx->path);
506 /* we require a connection which isn't currently in IMAP_SELECTED state */
507 if (!(idata = imap_conn_find (&(mx.account), M_IMAP_CONN_NOSELECT)))
509 if (idata->state < IMAP_AUTHENTICATED)
514 /* once again the context is new */
517 /* Clean up path and replace the one in the ctx */
518 imap_fix_path (idata, mx.mbox, buf, sizeof (buf));
519 p_delete(&(idata->mailbox));
520 idata->mailbox = m_strdup(buf);
521 imap_qualify_path (buf, sizeof (buf), &mx, idata->mailbox);
523 p_delete(&(ctx->path));
524 ctx->path = m_strdup(buf);
528 /* clear mailbox status */
530 memset (idata->rights, 0, (RIGHTSMAX + 7) / 8);
531 idata->newMailCount = 0;
533 mutt_message (_("Selecting %s..."), idata->mailbox);
534 imap_munge_mbox_name (buf, sizeof (buf), idata->mailbox);
535 snprintf (bufout, sizeof (bufout), "%s %s",
536 ctx->readonly ? "EXAMINE" : "SELECT", buf);
538 idata->state = IMAP_SELECTED;
540 imap_cmd_start (idata, bufout);
545 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
548 pc = idata->cmd.buf + 2;
550 /* Obtain list of available flags here, may be overridden by a
551 * PERMANENTFLAGS tag in the OK response */
552 if (ascii_strncasecmp ("FLAGS", pc, 5) == 0) {
553 /* don't override PERMANENTFLAGS */
555 if ((pc = imap_get_flags (&(idata->flags), pc)) == NULL)
559 /* PERMANENTFLAGS are massaged to look like FLAGS, then override FLAGS */
560 else if (ascii_strncasecmp ("OK [PERMANENTFLAGS", pc, 18) == 0) {
561 /* safe to call on NULL */
562 string_list_wipe(&(idata->flags));
563 /* skip "OK [PERMANENT" so syntax is the same as FLAGS */
565 if ((pc = imap_get_flags (&(idata->flags), pc)) == NULL)
569 /* save UIDVALIDITY for the header cache */
570 else if (ascii_strncasecmp ("OK [UIDVALIDITY", pc, 14) == 0) {
572 pc = imap_next_word (pc);
574 sscanf (pc, "%lu", &(idata->uid_validity));
578 pc = imap_next_word (pc);
579 if (!ascii_strncasecmp ("EXISTS", pc, 6)) {
580 count = idata->newMailCount;
581 idata->newMailCount = 0;
585 while (rc == IMAP_CMD_CONTINUE);
587 if (rc == IMAP_CMD_NO) {
590 s = imap_next_word (idata->cmd.buf); /* skip seq */
591 s = imap_next_word (s); /* Skip response */
592 mutt_error ("%s", s);
597 if (rc != IMAP_CMD_OK)
600 /* check for READ-ONLY notification */
601 if (!ascii_strncasecmp
602 (imap_get_qualifier (idata->cmd.buf), "[READ-ONLY]", 11)
603 && !mutt_bit_isset (idata->capabilities, ACL)) {
607 if (mutt_bit_isset (idata->capabilities, ACL)) {
608 if (imap_check_acl (idata))
610 if (!(mutt_bit_isset (idata->rights, ACL_DELETE) ||
611 mutt_bit_isset (idata->rights, ACL_SEEN) ||
612 mutt_bit_isset (idata->rights, ACL_WRITE) ||
613 mutt_bit_isset (idata->rights, ACL_INSERT)))
616 /* assume we have all rights if ACL is unavailable */
618 mutt_bit_set (idata->rights, ACL_LOOKUP);
619 mutt_bit_set (idata->rights, ACL_READ);
620 mutt_bit_set (idata->rights, ACL_SEEN);
621 mutt_bit_set (idata->rights, ACL_WRITE);
622 mutt_bit_set (idata->rights, ACL_INSERT);
623 mutt_bit_set (idata->rights, ACL_POST);
624 mutt_bit_set (idata->rights, ACL_CREATE);
625 mutt_bit_set (idata->rights, ACL_DELETE);
629 ctx->hdrs = p_new(HEADER *, count);
630 ctx->v2r = p_new(int, count);
632 if (count && (imap_read_headers (idata, 0, count - 1) < 0)) {
633 mutt_error _("Error opening mailbox");
643 if (idata->state == IMAP_SELECTED)
644 idata->state = IMAP_AUTHENTICATED;
650 int imap_open_mailbox_append (CONTEXT * ctx)
654 char buf[LONG_STRING];
655 char mailbox[LONG_STRING];
658 if (imap_parse_path (ctx->path, &mx))
661 /* in APPEND mode, we appear to hijack an existing IMAP connection -
662 * ctx is brand new and mostly empty */
664 if (!(idata = imap_conn_find (&(mx.account), 0))) {
673 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
677 /* really we should also check for W_OK */
678 if (!imap_access (ctx->path, F_OK))
681 snprintf (buf, sizeof (buf), _("Create %s?"), mailbox);
682 if (option (OPTCONFIRMCREATE) && mutt_yesorno (buf, 1) < 1)
685 if (imap_create_mailbox (idata, mailbox) < 0)
691 /* imap_logout: Gracefully log out of server. */
692 void imap_logout (IMAP_DATA * idata)
694 /* we set status here to let imap_handle_untagged know we _expect_ to
695 * receive a bye response (so it doesn't freak out and close the conn) */
696 idata->status = IMAP_BYE;
697 imap_cmd_start (idata, "LOGOUT");
698 while (imap_cmd_step (idata) == IMAP_CMD_CONTINUE);
699 p_delete(&idata->cmd.buf);
704 int imap_close_connection (CONTEXT *ctx)
706 if (CTX_DATA->status != IMAP_BYE)
708 mutt_message _("Closing connection to IMAP server...");
709 imap_logout (CTX_DATA);
712 mutt_socket_close (CTX_DATA->conn);
713 CTX_DATA->state = IMAP_DISCONNECTED;
714 CTX_DATA->conn->data = NULL;
719 /* imap_set_flag: append str to flags if we currently have permission
720 * according to aclbit */
721 static void imap_set_flag(IMAP_DATA *idata, int aclbit, int flag,
722 const char *str, char *flags, size_t flsize)
724 if (mutt_bit_isset(idata->rights, aclbit)) {
726 m_strcat(flags, flsize, str);
730 /* imap_make_msg_set: make an IMAP4rev1 UID message set out of a set of
731 * headers, given a flag enum to filter on.
732 * Params: idata: IMAP_DATA containing context containing header set
733 * buf: to write message set into
734 * buflen: length of buffer
735 * flag: enum of flag type on which to filter
736 * changed: include only changed messages in message set
737 * Returns: number of messages in message set (0 if no matches) */
738 int imap_make_msg_set (IMAP_DATA * idata, BUFFER * buf, int flag, int changed)
740 HEADER **hdrs; /* sorted local copy */
741 int count = 0; /* number of messages in message set */
742 int match = 0; /* whether current message matches flag condition */
743 int setstart = 0; /* start of current message range */
745 short oldsort; /* we clobber reverse, must restore it */
747 /* assuming 32-bit UIDs */
751 /* make copy of header pointers to sort in natural order */
752 hdrs = p_dup(idata->ctx->hdrs, idata->ctx->msgcount);
754 if (Sort != SORT_ORDER) {
757 qsort ((void *) hdrs, idata->ctx->msgcount, sizeof (HEADER *),
758 mutt_get_sort_func (SORT_ORDER));
762 for (n = 0; n < idata->ctx->msgcount; n++) {
764 /* don't include pending expunged messages */
768 if (hdrs[n]->deleted)
777 if (match && (!changed || hdrs[n]->changed)) {
780 setstart = HEADER_DATA (hdrs[n])->uid;
782 snprintf (uid, sizeof (uid), "%u", HEADER_DATA (hdrs[n])->uid);
783 mutt_buffer_addstr (buf, uid);
787 snprintf (uid, sizeof (uid), ",%u", HEADER_DATA (hdrs[n])->uid);
788 mutt_buffer_addstr (buf, uid);
791 /* tie up if the last message also matches */
792 else if (n == idata->ctx->msgcount - 1) {
793 snprintf (uid, sizeof (uid), ":%u", HEADER_DATA (hdrs[n])->uid);
794 mutt_buffer_addstr (buf, uid);
797 /* this message is not expunged and doesn't match. End current set. */
798 else if (setstart && hdrs[n]->active) {
799 if (HEADER_DATA (hdrs[n - 1])->uid > setstart) {
800 snprintf (uid, sizeof (uid), ":%u", HEADER_DATA (hdrs[n - 1])->uid);
801 mutt_buffer_addstr (buf, uid);
812 /* Update the IMAP server to reflect the flags a single message. */
814 int imap_sync_message (IMAP_DATA *idata, HEADER *hdr, BUFFER *cmd,
817 char flags[LONG_STRING];
822 snprintf (uid, sizeof (uid), "%u", HEADER_DATA(hdr)->uid);
823 cmd->dptr = cmd->data;
824 mutt_buffer_addstr (cmd, "UID STORE ");
825 mutt_buffer_addstr (cmd, uid);
829 imap_set_flag (idata, ACL_SEEN, hdr->read, "\\Seen ",
830 flags, sizeof (flags));
831 imap_set_flag (idata, ACL_WRITE, hdr->flagged,
832 "\\Flagged ", flags, sizeof (flags));
833 imap_set_flag (idata, ACL_WRITE, hdr->replied,
834 "\\Answered ", flags, sizeof (flags));
835 imap_set_flag (idata, ACL_DELETE, hdr->deleted,
836 "\\Deleted ", flags, sizeof (flags));
838 /* now make sure we don't lose custom tags */
839 if (mutt_bit_isset (idata->rights, ACL_WRITE))
840 imap_add_keywords (flags, hdr, idata->flags, sizeof (flags));
844 /* UW-IMAP is OK with null flags, Cyrus isn't. The only solution is to
845 * explicitly revoke all system flags (if we have permission) */
848 imap_set_flag (idata, ACL_SEEN, 1, "\\Seen ", flags, sizeof (flags));
849 imap_set_flag (idata, ACL_WRITE, 1, "\\Flagged ", flags, sizeof (flags));
850 imap_set_flag (idata, ACL_WRITE, 1, "\\Answered ", flags, sizeof (flags));
851 imap_set_flag (idata, ACL_DELETE, 1, "\\Deleted ", flags, sizeof (flags));
855 mutt_buffer_addstr (cmd, " -FLAGS.SILENT (");
857 mutt_buffer_addstr (cmd, " FLAGS.SILENT (");
859 mutt_buffer_addstr (cmd, flags);
860 mutt_buffer_addstr (cmd, ")");
862 /* dumb hack for bad UW-IMAP 4.7 servers spurious FLAGS updates */
865 /* after all this it's still possible to have no flags, if you
866 * have no ACL rights */
867 if (*flags && (imap_exec (idata, cmd->data, 0) != 0) &&
868 err_continue && (*err_continue != M_YES))
870 *err_continue = imap_continue ("imap_sync_message: STORE failed",
872 if (*err_continue != M_YES)
877 idata->ctx->changed--;
882 /* update the IMAP server to reflect message changes done within mutt.
884 * ctx: the current context
885 * expunge: 0 or 1 - do expunge?
888 int imap_sync_mailbox (CONTEXT * ctx, int expunge, int *index_hint)
891 CONTEXT *appendctx = NULL;
895 int err_continue = M_NO; /* continue on error? */
898 idata = (IMAP_DATA *) ctx->data;
900 if (idata->state != IMAP_SELECTED) {
904 /* This function is only called when the calling code expects the context
906 imap_allow_reopen (ctx);
908 if ((rc = imap_check_mailbox (ctx, index_hint, 0)) != 0)
913 /* if we are expunging anyway, we can do deleted messages very quickly... */
914 if (expunge && mutt_bit_isset (idata->rights, ACL_DELETE)) {
915 mutt_buffer_addstr (&cmd, "UID STORE ");
916 deleted = imap_make_msg_set (idata, &cmd, M_DELETE, 1);
918 /* if we have a message set, then let's delete */
920 mutt_message (_("Marking %d messages deleted..."), deleted);
921 mutt_buffer_addstr (&cmd, " +FLAGS.SILENT (\\Deleted)");
922 /* mark these messages as unchanged so second pass ignores them. Done
923 * here so BOGUS UW-IMAP 4.7 SILENT FLAGS updates are ignored. */
924 for (n = 0; n < ctx->msgcount; n++)
925 if (ctx->hdrs[n]->deleted && ctx->hdrs[n]->changed)
926 ctx->hdrs[n]->active = 0;
927 if (imap_exec (idata, cmd.data, 0) != 0) {
928 mutt_error (_("Expunge failed"));
936 /* save status changes */
937 for (n = 0; n < ctx->msgcount; n++) {
938 if (ctx->hdrs[n]->active && ctx->hdrs[n]->changed) {
940 mutt_message (_("Saving message status flags... [%d/%d]"), n + 1,
943 /* if the message has been rethreaded or attachments have been deleted
944 * we delete the message and reupload it.
945 * This works better if we're expunging, of course. */
946 if ((ctx->hdrs[n]->env && (ctx->hdrs[n]->env->refs_changed || ctx->hdrs[n]->env->irt_changed)) ||
947 ctx->hdrs[n]->attach_del) {
949 appendctx = mx_open_mailbox (ctx->path, M_APPEND | M_QUIET, NULL);
951 _mutt_save_message (ctx->hdrs[n], appendctx, 1, 0, 0);
955 if (imap_sync_message (idata, ctx->hdrs[n], &cmd, &err_continue) < 0) {
963 /* We must send an EXPUNGE command if we're not closing. */
964 if (expunge && !(ctx->closing) &&
965 mutt_bit_isset (idata->rights, ACL_DELETE)) {
966 mutt_message _("Expunging messages from server...");
968 /* Set expunge bit so we don't get spurious reopened messages */
969 idata->reopen |= IMAP_EXPUNGE_EXPECTED;
970 if (imap_exec (idata, "EXPUNGE", 0) != 0) {
971 imap_error (_("imap_sync_mailbox: EXPUNGE failed"), idata->cmd.buf);
972 rc = imap_reconnect (ctx);
977 if (expunge && ctx->closing) {
978 if (imap_exec (idata, "CLOSE", 0))
979 mutt_error (_("CLOSE failed"));
980 idata->state = IMAP_AUTHENTICATED;
988 mx_fastclose_mailbox (appendctx);
989 p_delete(&appendctx);
994 /* imap_close_mailbox: clean up IMAP data in CONTEXT */
995 static void imap_close_mailbox (CONTEXT * ctx)
1000 idata = (IMAP_DATA *) ctx->data;
1001 /* Check to see if the mailbox is actually open */
1005 if (ctx == idata->ctx) {
1006 if (idata->state != IMAP_FATAL && idata->state == IMAP_SELECTED) {
1007 /* mx_close_mailbox won't sync if there are no deleted messages
1008 * and the mailbox is unchanged, so we may have to close here */
1009 if (!ctx->deleted && imap_exec (idata, "CLOSE", 0))
1010 mutt_error (_("CLOSE failed"));
1011 idata->state = IMAP_AUTHENTICATED;
1014 idata->reopen &= IMAP_REOPEN_ALLOW;
1015 p_delete(&(idata->mailbox));
1016 string_list_wipe(&idata->flags);
1020 /* free IMAP part of headers */
1021 for (i = 0; i < ctx->msgcount; i++)
1022 imap_free_header_data (&(ctx->hdrs[i]->data));
1024 for (i = 0; i < IMAP_CACHE_LEN; i++) {
1025 if (idata->cache[i].path) {
1026 unlink (idata->cache[i].path);
1027 p_delete(&idata->cache[i].path);
1032 /* use the NOOP command to poll for new mail
1035 * M_REOPENED mailbox has been externally modified
1036 * M_NEW_MAIL new mail has arrived!
1040 int imap_check_mailbox (CONTEXT * ctx, int *index_hint __attribute__ ((unused)), int force)
1042 /* overload keyboard timeout to avoid many mailbox checks in a row.
1043 * Most users don't like having to wait exactly when they press a key. */
1047 idata = (IMAP_DATA *) ctx->data;
1049 if ((force || time (NULL) >= idata->lastread + Timeout)
1050 && imap_exec (idata, "NOOP", 0) != 0)
1053 /* We call this even when we haven't run NOOP in case we have pending
1054 * changes to process, since we can reopen here. */
1055 imap_cmd_finish (idata);
1057 if (idata->check_status & IMAP_EXPUNGE_PENDING)
1058 result = M_REOPENED;
1059 else if (idata->check_status & IMAP_NEWMAIL_PENDING)
1060 result = M_NEW_MAIL;
1061 else if (idata->check_status & IMAP_FLAGS_PENDING)
1064 idata->check_status = 0;
1075 * 0+ number of messages in mailbox
1076 * -1 error while polling mailboxes
1078 int imap_mailbox_check (char *path, int new)
1082 char buf[LONG_STRING];
1083 char mbox[LONG_STRING];
1084 char mbox_unquoted[LONG_STRING];
1091 if (imap_parse_path (path, &mx))
1094 /* If imap_passive is set, don't open a connection to check for new mail */
1095 if (option (OPTIMAPPASSIVE))
1096 connflags = M_IMAP_CONN_NONEW;
1098 if (!(idata = imap_conn_find (&(mx.account), connflags))) {
1104 imap_fix_path (idata, mx.mbox, buf, sizeof (buf));
1107 imap_munge_mbox_name (mbox, sizeof (mbox), buf);
1108 m_strcpy(mbox_unquoted, sizeof(mbox_unquoted), buf);
1110 /* The draft IMAP implementor's guide warns againts using the STATUS
1111 * command on a mailbox that you have selected
1114 if (m_strcmp(mbox_unquoted, idata->mailbox) == 0
1115 || (ascii_strcasecmp (mbox_unquoted, "INBOX") == 0
1116 && m_strcasecmp(mbox_unquoted, idata->mailbox) == 0)) {
1117 m_strcpy(buf, sizeof(buf), "NOOP");
1119 else if (mutt_bit_isset (idata->capabilities, IMAP4REV1) ||
1120 mutt_bit_isset (idata->capabilities, STATUS)) {
1121 snprintf (buf, sizeof (buf), "STATUS %s (%s)", mbox,
1122 new == 1 ? "RECENT" : (new == 2 ? "UNSEEN" : "MESSAGES"));
1125 /* Server does not support STATUS, and this is not the current mailbox.
1126 * There is no lightweight way to check recent arrivals */
1129 imap_cmd_start (idata, buf);
1132 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
1135 s = imap_next_word (idata->cmd.buf);
1136 if (ascii_strncasecmp ("STATUS", s, 6) == 0) {
1137 s = imap_next_word (s);
1138 /* The mailbox name may or may not be quoted here. We could try to
1139 * munge the server response and compare with quoted (or vise versa)
1140 * but it is probably more efficient to just strncmp against both. */
1141 if (m_strncmp(mbox_unquoted, s, m_strlen(mbox_unquoted)) == 0
1142 || m_strncmp(mbox, s, m_strlen(mbox)) == 0) {
1143 s = imap_next_word (s);
1144 s = imap_next_word (s);
1145 if (isdigit ((unsigned char) *s)) {
1147 msgcount = atoi (s);
1153 while (rc == IMAP_CMD_CONTINUE);
1158 /* returns number of patterns in the search that should be done server-side
1159 * (eg are full-text) */
1160 static int do_search (const pattern_t* search, int allpats)
1163 const pattern_t* pat;
1165 for (pat = search; pat; pat = pat->next) {
1170 if (pat->stringmatch)
1174 if (pat->child && do_search (pat->child, 1))
1185 /* convert mutt pattern_t to IMAP SEARCH command containing only elements
1186 * that require full-text search (mutt already has what it needs for most
1187 * match types, and does a better job (eg server doesn't support regexps). */
1188 static int imap_compile_search (const pattern_t* pat, BUFFER* buf)
1190 if (! do_search (pat, 0))
1194 mutt_buffer_addstr (buf, "NOT ");
1199 if ((clauses = do_search (pat->child, 1)) > 0) {
1200 const pattern_t* clause = pat->child;
1202 mutt_buffer_addch (buf, '(');
1205 if (do_search (clause, 0)) {
1206 if (pat->op == M_OR && clauses > 1)
1207 mutt_buffer_addstr (buf, "OR ");
1209 if (imap_compile_search (clause, buf) < 0)
1213 mutt_buffer_addch (buf, ' ');
1215 clause = clause->next;
1219 mutt_buffer_addch (buf, ')');
1227 mutt_buffer_addstr (buf, "HEADER ");
1229 /* extract header name */
1230 if (! (delim = strchr (pat->str, ':'))) {
1231 mutt_error (_("Header search without header name: %s"), pat->str);
1235 imap_quote_string (term, sizeof (term), pat->str);
1236 mutt_buffer_addstr (buf, term);
1237 mutt_buffer_addch (buf, ' ');
1241 delim = vskipspaces(delim);
1242 imap_quote_string (term, sizeof (term), delim);
1243 mutt_buffer_addstr (buf, term);
1247 mutt_buffer_addstr (buf, "BODY ");
1248 imap_quote_string (term, sizeof (term), pat->str);
1249 mutt_buffer_addstr (buf, term);
1253 mutt_buffer_addstr (buf, "TEXT ");
1254 imap_quote_string (term, sizeof (term), pat->str);
1255 mutt_buffer_addstr (buf, term);
1263 int imap_search (CONTEXT* ctx, const pattern_t* pat) {
1265 IMAP_DATA* idata = (IMAP_DATA*)ctx->data;
1268 for (i = 0; i < ctx->msgcount; i++)
1269 ctx->hdrs[i]->matched = 0;
1271 if (!do_search (pat, 1))
1275 mutt_buffer_addstr (&buf, "UID SEARCH ");
1276 if (imap_compile_search (pat, &buf) < 0) {
1277 p_delete(&buf.data);
1280 if (imap_exec (idata, buf.data, 0) < 0) {
1281 p_delete(&buf.data);
1285 p_delete(&buf.data);
1289 /* all this listing/browsing is a mess. I don't like that name is a pointer
1290 * into idata->buf (used to be a pointer into the passed in buffer, just
1291 * as bad), nor do I like the fact that the fetch is done here. This
1292 * code can't possibly handle non-string_list_t untagged responses properly.
1294 int imap_parse_list_response (IMAP_DATA * idata, char **name, int *noselect,
1295 int *noinferiors, char *delim)
1303 rc = imap_cmd_step (idata);
1304 if (rc == IMAP_CMD_OK)
1306 if (rc != IMAP_CMD_CONTINUE)
1309 s = imap_next_word (idata->cmd.buf);
1310 if ((ascii_strncasecmp ("string_list_t", s, 4) == 0) ||
1311 (ascii_strncasecmp ("LSUB", s, 4) == 0)) {
1315 s = imap_next_word (s); /* flags */
1321 while (*ep && *ep != ')')
1324 if (!ascii_strncasecmp (s, "\\NoSelect", 9))
1326 if (!ascii_strncasecmp (s, "\\NoInferiors", 12))
1328 /* See draft-gahrns-imap-child-mailbox-?? */
1329 if (!ascii_strncasecmp (s, "\\HasNoChildren", 14))
1333 while (*s && *s != '\\' && *s != ')')
1339 s = imap_next_word (s); /* delim */
1340 /* Reset the delimiter, this can change */
1341 if (ascii_strncasecmp (s, "NIL", 3)) {
1342 if (s && s[0] == '\"' && s[1] && s[2] == '\"')
1344 else if (s && s[0] == '\"' && s[1] && s[1] == '\\' && s[2]
1348 s = imap_next_word (s); /* name */
1349 if (s && *s == '{') { /* Literal */
1350 if (imap_get_literal_count (idata->cmd.buf, &bytes) < 0)
1352 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE)
1354 *name = idata->cmd.buf;
1363 int imap_subscribe (char *path, int subscribe)
1367 char buf[LONG_STRING];
1368 char mbox[LONG_STRING];
1369 char errstr[STRING];
1373 if (mx_get_magic (path) != M_IMAP || imap_parse_path (path, &mx) < 0) {
1374 mutt_error (_("Bad mailbox name"));
1378 if (!(idata = imap_conn_find (&(mx.account), 0)))
1383 imap_fix_path (idata, mx.mbox, buf, sizeof (buf));
1385 if (option (OPTIMAPCHECKSUBSCRIBED)) {
1388 err.dsize = sizeof (errstr);
1389 snprintf (mbox, sizeof (mbox), "%smailboxes \"%s\"",
1390 subscribe ? "" : "un", path);
1391 mutt_parse_rc_line (mbox, &token, &err);
1392 p_delete(&token.data);
1396 mutt_message (_("Subscribing to %s..."), buf);
1398 mutt_message (_("Unsubscribing to %s..."), buf);
1399 imap_munge_mbox_name (mbox, sizeof (mbox), buf);
1401 snprintf (buf, sizeof (buf), "%sSUBSCRIBE %s", subscribe ? "" : "UN", mbox);
1403 if (imap_exec (idata, buf, 0) < 0)
1414 /* trim dest to the length of the longest prefix it shares with src,
1415 * returning the length of the trimmed string */
1416 static int longest_common_prefix (char *dest, const char* src,
1417 int start, ssize_t dlen) {
1420 while (pos < dlen && dest[pos] && dest[pos] == src[pos])
1427 /* look for IMAP URLs to complete from defined mailboxes. Could be extended
1428 * to complete over open connections and account/folder hooks too. */
1429 static int imap_complete_hosts (char *dest, ssize_t len) {
1436 matchlen = m_strlen(dest);
1439 for (i = 0; i < Incoming.len; i++) {
1440 mailbox = Incoming.arr[i];
1441 if (!m_strncmp(dest, mailbox->path, matchlen)) {
1443 m_strcpy(dest, len, mailbox->path);
1446 longest_common_prefix (dest, mailbox->path, matchlen, len);
1450 for (conn = mutt_socket_head (); conn && conn->next; conn = conn->next) {
1452 char urlstr[LONG_STRING];
1454 if (conn->account.type != M_ACCT_TYPE_IMAP)
1457 mutt_account_tourl (&conn->account, &url);
1458 /* FIXME: how to handle multiple users on the same host? */
1461 url_ciss_tostring (&url, urlstr, sizeof (urlstr), 0);
1462 if (!m_strncmp(dest, urlstr, matchlen)) {
1464 m_strcpy(dest, len, urlstr);
1467 longest_common_prefix (dest, urlstr, matchlen, len);
1474 /* imap_complete: given a partial IMAP folder path, return a string which
1475 * adds as much to the path as is unique */
1476 int imap_complete (char *dest, size_t dlen, char *path) {
1479 char list[LONG_STRING];
1480 char buf[LONG_STRING];
1481 char *list_word = NULL;
1482 int noselect, noinferiors;
1484 char completion[LONG_STRING];
1485 int clen, matchlen = 0;
1486 int completions = 0;
1489 if (imap_parse_path (path, &mx) || !mx.mbox) {
1490 m_strcpy(dest, dlen, path);
1491 return imap_complete_hosts (dest, dlen);
1494 /* don't open a new socket just for completion. Instead complete over
1495 * known mailboxes/hooks/etc */
1496 if (!(idata = imap_conn_find (&(mx.account), M_IMAP_CONN_NONEW))) {
1498 m_strcpy(dest, dlen, path);
1499 return imap_complete_hosts (dest, dlen);
1503 /* reformat path for IMAP list, and append wildcard */
1504 /* don't use INBOX in place of "" */
1505 if (mx.mbox && mx.mbox[0])
1506 imap_fix_path (idata, mx.mbox, list, sizeof (list));
1510 /* fire off command */
1511 snprintf (buf, sizeof (buf), "%s \"\" \"%s%%\"",
1512 option (OPTIMAPLSUB) ? "LSUB" : "string_list_t", list);
1514 imap_cmd_start (idata, buf);
1516 /* and see what the results are */
1517 m_strcpy(completion, sizeof(completion), NONULL(mx.mbox));
1519 if (imap_parse_list_response (idata, &list_word, &noselect, &noinferiors,
1524 /* store unquoted */
1525 imap_unmunge_mbox_name (list_word);
1527 /* if the folder isn't selectable, append delimiter to force browse
1528 * to enter it on second tab. */
1530 clen = m_strlen(list_word);
1531 list_word[clen++] = delim;
1532 list_word[clen] = '\0';
1534 /* copy in first word */
1536 m_strcpy(completion, sizeof(completion), list_word);
1537 matchlen = m_strlen(completion);
1542 matchlen = longest_common_prefix (completion, list_word, 0, matchlen);
1546 while (m_strncmp(idata->cmd.seq, idata->cmd.buf, SEQLEN));
1549 /* reformat output */
1550 imap_qualify_path (dest, dlen, &mx, completion);
1551 mutt_pretty_mailbox (dest);
1560 /* reconnect if connection was lost */
1561 int imap_reconnect (CONTEXT * ctx)
1563 IMAP_DATA *imap_data;
1568 imap_data = (IMAP_DATA *) ctx->data;
1571 if (imap_data->status == IMAP_CONNECTED)
1575 if (query_quadoption
1577 _("Connection lost. Reconnect to IMAP server?")) != M_YES)
1580 mx_open_mailbox (ctx->path, 0, ctx);
1584 int imap_is_magic (const char* path, struct stat* st __attribute__ ((unused))) {
1586 if (!path || !*path)
1588 s = url_check_scheme (NONULL (path));
1589 return ((s == U_IMAP || s == U_IMAPS) ? M_IMAP : -1);
1592 static int acl_check_imap (CONTEXT* ctx, int bit) {
1593 return (!mutt_bit_isset (((IMAP_DATA*) ctx->data)->capabilities, ACL) ||
1594 mutt_bit_isset (((IMAP_DATA*) ctx->data)->rights, bit));
1597 static int imap_open_new_message (MESSAGE * msg,
1598 CONTEXT * dest __attribute__ ((unused)),
1599 HEADER * hdr __attribute__ ((unused)))
1601 char tmp[_POSIX_PATH_MAX];
1604 if ((msg->fp = safe_fopen (tmp, "w")) == NULL) {
1608 msg->path = m_strdup(tmp);
1612 /* this ugly kludge is required since the last int to
1613 * imap_check_mailbox() doesn't mean 'lock' but 'force'... */
1614 static int _imap_check_mailbox (CONTEXT* ctx,
1616 int lock __attribute__ ((unused))) {
1617 return (imap_check_mailbox (ctx, index_hint, 0));
1620 static int imap_commit_message (MESSAGE* msg, CONTEXT* ctx) {
1623 if ((r = safe_fclose (&msg->fp)) == 0)
1624 r = imap_append_message (ctx, msg);
1628 mx_t const imap_mx = {
1635 imap_open_new_message,
1637 _imap_check_mailbox,
1640 imap_commit_message,