2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-9 Brandon Long <blong@fiction.net>
4 * Copyright (C) 1999-2002 Brendan Cully <brendan@kublai.com>
6 * This file is part of mutt-ng, see http://www.muttng.org/.
7 * It's licensed under the GNU General Public License,
8 * please see the file GPL in the top level source directory.
11 /* message parsing/updating functions */
13 #include <lib-lib/lib-lib.h>
15 #include <lib-ui/curses.h>
16 #include <lib-mx/mx.h>
17 #include <lib-mx/hcache.h>
20 #include "imap_private.h"
23 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn);
24 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
26 static int msg_has_flag (string_list_t * flag_list, const char *flag);
27 static int msg_parse_fetch (IMAP_HEADER * h, char *s);
28 static char *msg_parse_flags (IMAP_HEADER * h, char *s);
31 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
33 static ssize_t imap_hcache_keylen (const char *fn);
34 #endif /* USE_HCACHE */
37 * Changed to read many headers instead of just one. It will return the
38 * msgno of the last message read. It will return a value other than
39 * msgend if mail comes in while downloading headers (in theory).
41 int imap_read_headers (IMAP_DATA * idata, int msgbegin, int msgend)
44 char buf[LONG_STRING];
47 char tempfile[_POSIX_PATH_MAX];
50 int rc, mfhrc, oldmsgcount;
52 const char *want_headers =
53 "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES LIST-POST X-LABEL";
57 long *uid_validity = NULL;
59 #endif /* USE_HCACHE */
63 if (mutt_bit_isset (idata->capabilities, IMAP4REV1)) {
64 snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
65 want_headers, ImapHeaders ? " " : "",
66 ImapHeaders ? ImapHeaders : "");
68 else if (mutt_bit_isset (idata->capabilities, IMAP4)) {
69 snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s%s%s)",
70 want_headers, ImapHeaders ? " " : "",
71 ImapHeaders ? ImapHeaders : "");
73 else { /* Unable to fetch headers for lower versions */
74 mutt_error _("Unable to fetch headers from this IMAP server version.");
76 mutt_sleep (2); /* pause a moment to let the user see the error */
80 /* instead of downloading all headers and then parsing them, we parse them
82 fp = m_tempfile(tempfile, sizeof(tempfile), NONULL(MCore.tmpdir), NULL);
84 mutt_error(_("Could not create temporary file"));
90 /* make sure context has room to hold the mailbox */
91 while ((msgend) >= idata->ctx->hdrmax)
92 mx_alloc_memory (idata->ctx);
94 oldmsgcount = ctx->msgcount;
95 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
96 idata->newMailCount = 0;
99 if ((hc = mutt_hcache_open (HeaderCache, ctx->path))) {
101 snprintf (buf, sizeof (buf),
102 "FETCH %d:%d (UID FLAGS)", msgbegin + 1, msgend + 1);
103 fetchlast = msgend + 1;
105 imap_cmd_start (idata, buf);
107 for (msgno = msgbegin; msgno <= msgend; msgno++) {
108 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
109 mutt_message (_("Evaluating cache... [%d/%d]"), msgno + 1, msgend + 1);
113 h.data = p_new(IMAP_HEADER_DATA, 1);
117 rc = imap_cmd_step (idata);
118 if (rc != IMAP_CMD_CONTINUE)
122 msg_fetch_header_fetch (idata->ctx, &h, idata->cmd.buf.data, fp)) == -1)
127 /* make sure we don't get remnants from older larger message headers */
130 sprintf (uid_buf, "/%u", h.data->uid); /* XXX --tg 21:41 04-07-11 */
131 uid_validity = mutt_hcache_fetch (hc, uid_buf, &imap_hcache_keylen);
133 if (uid_validity != NULL && *uid_validity == idata->uid_validity) {
134 ctx->hdrs[msgno] = mutt_hcache_restore(uid_validity, 0);
135 ctx->hdrs[msgno]->index = h.sid - 1;
136 /* messages which have not been expunged are ACTIVE (borrowed from mh
138 ctx->hdrs[msgno]->active = 1;
139 ctx->hdrs[msgno]->read = h.read;
140 ctx->hdrs[msgno]->old = h.old;
141 ctx->hdrs[msgno]->deleted = h.deleted;
142 ctx->hdrs[msgno]->flagged = h.flagged;
143 ctx->hdrs[msgno]->replied = h.replied;
144 ctx->hdrs[msgno]->changed = h.changed;
145 /* ctx->hdrs[msgno]->received is restored from mutt_hcache_restore */
146 ctx->hdrs[msgno]->data = (void *) (h.data);
153 p_delete(&uid_validity);
156 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
157 ((msgno + 1) >= fetchlast)));
159 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
160 imap_free_header_data((void *)&h.data);
162 mutt_hcache_close (&hc);
167 fetchlast = msgbegin;
169 #endif /* USE_HCACHE */
171 for (msgno = msgbegin; msgno <= msgend; msgno++) {
172 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
173 mutt_message (_("Fetching message headers... [%d/%d]"), msgno + 1,
176 if (ctx->hdrs[msgno])
179 if (msgno + 1 > fetchlast) {
180 fetchlast = msgno + 1;
181 while ((fetchlast <= msgend) && (!ctx->hdrs[fetchlast]))
185 * Make one request for everything. This makes fetching headers an
186 * order of magnitude faster if you have a large mailbox.
188 * If we get more messages while doing this, we make another
189 * request for all the new messages.
191 snprintf (buf, sizeof (buf),
192 "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
193 msgno + 1, fetchlast, hdrreq);
195 imap_cmd_start (idata, buf);
201 h.data = p_new(IMAP_HEADER_DATA, 1);
203 /* this DO loop does two things:
204 * 1. handles untagged messages, so we can try again on the same msg
205 * 2. fetches the tagged response at the end of the last message.
210 rc = imap_cmd_step (idata);
211 if (rc != IMAP_CMD_CONTINUE)
215 msg_fetch_header (idata->ctx, &h, idata->cmd.buf.data, fp)) == -1)
220 /* make sure we don't get remnants from older larger message headers */
223 /* update context with message header */
224 ctx->hdrs[msgno] = header_new();
226 ctx->hdrs[msgno]->index = h.sid - 1;
227 /* messages which have not been expunged are ACTIVE (borrowed from mh
229 ctx->hdrs[msgno]->active = 1;
230 ctx->hdrs[msgno]->read = h.read;
231 ctx->hdrs[msgno]->old = h.old;
232 ctx->hdrs[msgno]->deleted = h.deleted;
233 ctx->hdrs[msgno]->flagged = h.flagged;
234 ctx->hdrs[msgno]->replied = h.replied;
235 ctx->hdrs[msgno]->changed = h.changed;
236 ctx->hdrs[msgno]->received = h.received;
237 ctx->hdrs[msgno]->data = (void *) (h.data);
240 /* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
241 * on h.received being set */
242 ctx->hdrs[msgno]->env = mutt_read_rfc822_header (fp, ctx->hdrs[msgno],
244 /* content built as a side-effect of mutt_read_rfc822_header */
245 ctx->hdrs[msgno]->content->length = h.content_length;
248 sprintf (uid_buf, "/%u", h.data->uid);
249 mutt_hcache_store (hc, uid_buf, ctx->hdrs[msgno], idata->uid_validity,
250 &imap_hcache_keylen);
251 #endif /* USE_HCACHE */
255 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
256 ((msgno + 1) >= fetchlast)));
258 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
259 imap_free_header_data ((void *)&h.data);
262 mutt_hcache_close (&hc);
263 #endif /* USE_HCACHE */
267 /* in case we get new mail while fetching the headers */
268 if (idata->reopen & IMAP_NEWMAIL_PENDING) {
269 msgend = idata->newMailCount - 1;
270 while ((msgend) >= ctx->hdrmax)
271 mx_alloc_memory (ctx);
272 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
273 idata->newMailCount = 0;
278 mutt_hcache_close (&hc);
279 #endif /* USE_HCACHE */
283 if (ctx->msgcount > oldmsgcount)
284 mx_update_context (ctx, ctx->msgcount - oldmsgcount);
289 /* move all the headers from extra not present in base into base */
290 static void mutt_merge_envelopes(ENVELOPE* base, ENVELOPE** extra)
292 /* copies each existing element if necessary, and sets the element
293 * to NULL in the source so that envelope_delete doesn't leave us
294 * with dangling pointers. */
295 #define MOVE_ELEM(h) if (!base->h) { base->h = (*extra)->h; (*extra)->h = NULL; }
296 MOVE_ELEM(return_path);
303 MOVE_ELEM(mail_followup_to);
304 MOVE_ELEM(list_post);
305 MOVE_ELEM(message_id);
306 MOVE_ELEM(supersedes);
309 if (!base->refs_changed) {
310 MOVE_ELEM(references);
312 if (!base->irt_changed) {
313 MOVE_ELEM(in_reply_to);
315 /* real_subj is subordinate to subject */
316 if (!base->subject) {
317 base->subject = (*extra)->subject;
318 base->real_subj = (*extra)->real_subj;
319 (*extra)->subject = NULL;
320 (*extra)->real_subj = NULL;
322 /* spam and user headers should never be hashed, and the new envelope may
323 * have better values. Use new versions regardless. */
324 mutt_buffer_free (&base->spam);
325 string_list_wipe(&base->userhdrs);
330 envelope_delete(extra);
333 int imap_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
338 char buf[LONG_STRING];
339 char path[_POSIX_PATH_MAX];
349 /* Sam's weird courier server returns an OK response even when FETCH
350 * fails. Thanks Sam. */
353 idata = (IMAP_DATA *) ctx->data;
354 h = ctx->hdrs[msgno];
356 /* see if we already have the message in our cache */
357 cacheno = HEADER_DATA (h)->uid % IMAP_CACHE_LEN;
358 cache = &idata->cache[cacheno];
361 /* don't treat cache errors as fatal, just fall back. */
362 if (cache->uid == HEADER_DATA(h)->uid && (msg->fp = fopen (cache->path, "r")))
365 unlink (cache->path);
366 p_delete(&cache->path);
371 mutt_message _("Fetching message...");
373 cache->uid = HEADER_DATA (h)->uid;
374 msg->fp = m_tempfile(path, sizeof(path), NONULL(MCore.tmpdir), NULL);
378 cache->path = m_strdup(path);
380 /* mark this header as currently inactive so the command handler won't
381 * also try to update it. HACK until all this code can be moved into the
385 snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA (h)->uid,
386 (mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
387 (option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") : "RFC822"));
389 imap_cmd_start (idata, buf);
391 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
394 pc = idata->cmd.buf.data;
395 pc = imap_next_word (pc);
396 pc = imap_next_word (pc);
398 if (!ascii_strncasecmp ("FETCH", pc, 5)) {
400 pc = imap_next_word (pc);
403 if (ascii_strncasecmp ("UID", pc, 3) == 0) {
404 pc = imap_next_word (pc);
406 if (uid != HEADER_DATA(h)->uid)
408 ("The message index is incorrect. Try reopening the mailbox."));
410 else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
411 (ascii_strncasecmp ("BODY[]", pc, 6) == 0)) {
412 pc = imap_next_word (pc);
413 if (imap_get_literal_count (pc, &bytes) < 0) {
414 imap_error ("imap_fetch_message()", buf);
418 bar.msg = _("Fetching message...");
419 mutt_progress_bar (&bar, 0);
420 if (imap_read_literal (msg->fp, idata, bytes, &bar) < 0)
422 /* pick up trailing line */
423 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
425 pc = idata->cmd.buf.data;
429 /* UW-IMAP will provide a FLAGS update here if the FETCH causes a
430 * change (eg from \Unseen to \Seen).
431 * Uncommitted changes in mutt take precedence. If we decide to
432 * incrementally update flags later, this won't stop us syncing */
433 else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed) {
434 if ((pc = imap_set_flags (idata, h, pc)) == NULL)
440 while (rc == IMAP_CMD_CONTINUE);
442 /* see comment before command start. */
446 if (ferror (msg->fp)) {
447 mutt_perror (cache->path);
451 if (rc != IMAP_CMD_OK)
454 if (!fetched || !imap_code (idata->cmd.buf.data))
457 /* Update the header information. Previously, we only downloaded a
458 * portion of the headers, those required for the main display.
461 /* It may be that the Status header indicates a message is read, but the
462 * IMAP server doesn't know the message has been \Seen. So we capture
463 * the server's notion of 'read' and if it differs from the message info
464 * picked up in mutt_read_rfc822_header, we mark the message (and context
465 * changed). Another possiblity: ignore Status on IMAP?*/
467 newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
468 mutt_merge_envelopes(h->env, &newenv);
470 /* see above. We want the new status in h->read, so we unset it manually
471 * and let mutt_set_flag set it correctly, updating context. */
472 if (isread != h->read) {
474 mutt_set_flag (ctx, h, M_NEW, isread);
478 fgets (buf, sizeof (buf), msg->fp);
479 while (!feof (msg->fp)) {
481 fgets (buf, sizeof (buf), msg->fp);
484 h->content->length = ftello (msg->fp) - h->content->offset;
486 /* This needs to be done in case this is a multipart message */
487 #if defined(HAVE_PGP) || defined(HAVE_SMIME)
488 h->security = crypt_query (h->content);
499 unlink (cache->path);
500 p_delete(&cache->path);
506 int imap_append_message (CONTEXT * ctx, MESSAGE * msg)
510 char buf[LONG_STRING];
511 char mbox[LONG_STRING];
512 char mailbox[LONG_STRING];
520 idata = (IMAP_DATA *) ctx->data;
522 if (imap_parse_path (ctx->path, &mx))
525 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
527 if ((fp = fopen (msg->path, "r")) == NULL) {
528 mutt_perror (msg->path);
532 /* currently we set the \Seen flag on all messages, but probably we
533 * should scan the message Status header for flag info. Since we're
534 * already rereading the whole file for length it isn't any more
535 * expensive (it'd be nice if we had the file size passed in already
536 * by the code that writes the file, but that's a lot of changes.
537 * Ideally we'd have a HEADER structure with flag info here... */
538 for (last = EOF, len = 0; (c = fgetc (fp)) != EOF; last = c) {
539 if (c == '\n' && last != '\r')
546 bar.msg = _("Uploading message...");
548 mutt_progress_bar (&bar, 0);
550 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
551 snprintf (buf, sizeof (buf), "APPEND %s (%s%s%s%s%s) {%lu}", mbox,
552 msg->flags.read ? "\\Seen" : "",
553 msg->flags.read && (msg->flags.replied
554 || msg->flags.flagged) ? " " : "",
555 msg->flags.replied ? "\\Answered" : "", msg->flags.replied
556 && msg->flags.flagged ? " " : "",
557 msg->flags.flagged ? "\\Flagged" : "", (unsigned long) len);
559 imap_cmd_start (idata, buf);
562 rc = imap_cmd_step (idata);
563 while (rc == IMAP_CMD_CONTINUE);
565 if (rc != IMAP_CMD_RESPOND) {
568 pc = vskipspaces(idata->cmd.buf.data + SEQLEN);
569 pc = imap_next_word (pc);
570 mutt_error ("%s", pc);
576 for (last = EOF, sent = len = 0; (c = fgetc (fp)) != EOF; last = c) {
577 if (c == '\n' && last != '\r')
582 if (len > sizeof (buf) - 3) {
584 flush_buffer (buf, &len, idata->conn);
585 mutt_progress_bar (&bar, sent);
590 flush_buffer (buf, &len, idata->conn);
592 mutt_socket_write (idata->conn, "\r\n");
596 rc = imap_cmd_step (idata);
597 while (rc == IMAP_CMD_CONTINUE);
599 if (!imap_code (idata->cmd.buf.data)) {
602 pc = vskipspaces(idata->cmd.buf.data + SEQLEN);
603 pc = imap_next_word (pc);
604 mutt_error ("%s", pc);
617 /* imap_copy_messages: use server COPY command to copy messages to another
622 * 1: non-fatal error - try fetch/append */
623 int imap_copy_messages (CONTEXT * ctx, HEADER * h, char *dest, int delete)
626 BUFFER cmd, sync_cmd;
628 char mbox[LONG_STRING];
629 char mmbox[LONG_STRING];
633 int err_continue = M_NO;
635 idata = (IMAP_DATA *) ctx->data;
637 if (imap_parse_path (dest, &mx)) {
641 /* check that the save-to folder is in the same account */
642 if (!mutt_account_match (&(CTX_DATA->conn->account), &(mx.account))) {
646 if (h && h->attach_del) {
650 imap_fix_path (idata, mx.mbox, mbox, sizeof (mbox));
652 p_clear(&sync_cmd, 1);
654 mutt_buffer_addstr (&cmd, "UID COPY ");
656 /* Null HEADER* means copy tagged messages */
658 /* if any messages have attachments to delete, fall through to FETCH
659 * and APPEND. TODO: Copy what we can with COPY, fall through for the
661 for (n = 0; n < ctx->msgcount; n++) {
662 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->attach_del) {
666 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->active &&
667 ctx->hdrs[n]->changed)
669 rc = imap_sync_message (idata, ctx->hdrs[n], &sync_cmd, &err_continue);
677 rc = imap_make_msg_set (idata, &cmd, M_TAG, 0);
681 mutt_message (_("Copying %d messages to %s..."), rc, mbox);
684 mutt_message (_("Copying message %d to %s..."), h->index + 1, mbox);
685 snprintf (uid, sizeof (uid), "%u", HEADER_DATA (h)->uid);
686 mutt_buffer_addstr (&cmd, uid);
688 if (h->active && h->changed)
690 rc = imap_sync_message (idata, h, &sync_cmd, &err_continue);
698 /* let's get it on */
699 mutt_buffer_addstr (&cmd, " ");
700 imap_munge_mbox_name (mmbox, sizeof (mmbox), mbox);
701 mutt_buffer_addstr (&cmd, mmbox);
703 rc = imap_exec (idata, cmd.data, IMAP_CMD_FAIL_OK);
705 /* bail out if command failed for reasons other than nonexistent target */
706 if (ascii_strncasecmp
707 (imap_get_qualifier (idata->cmd.buf.data), "[TRYCREATE]", 11)) {
708 imap_error ("imap_copy_messages", idata->cmd.buf.data);
711 snprintf (mmbox, sizeof (mmbox), _("Create %s?"), mbox);
712 if (option (OPTCONFIRMCREATE) && mutt_yesorno (mmbox, 1) < 1) {
716 if (imap_create_mailbox (idata, mbox) < 0)
720 rc = imap_exec (idata, cmd.data, 0);
723 imap_error ("imap_copy_messages", idata->cmd.buf.data);
730 for (n = 0; n < ctx->msgcount; n++) {
731 if (ctx->hdrs[n]->tagged) {
732 mutt_set_flag (ctx, ctx->hdrs[n], M_DELETE, 1);
733 mutt_set_flag (ctx, ctx->hdrs[n], M_APPENDED, 1);
734 if (option (OPTDELETEUNTAG))
735 mutt_set_flag (ctx, ctx->hdrs[n], M_TAG, 0);
739 mutt_set_flag (ctx, h, M_DELETE, 1);
740 mutt_set_flag (ctx, h, M_APPENDED, 1);
741 if (option (OPTDELETEUNTAG))
742 mutt_set_flag (ctx, h, M_TAG, 0);
747 p_delete(&sync_cmd.data);
753 p_delete(&sync_cmd.data);
758 /* imap_add_keywords: concatenate custom IMAP tags to list, if they
759 * appear in the folder flags list. Why wouldn't they? */
760 void imap_add_keywords (char *s, HEADER * h, string_list_t * mailbox_flags,
763 string_list_t *keywords;
765 if (!mailbox_flags || !HEADER_DATA (h) || !HEADER_DATA (h)->keywords)
768 keywords = HEADER_DATA (h)->keywords->next;
771 if (msg_has_flag (mailbox_flags, keywords->data)) {
772 m_strcat(s, slen, keywords->data);
773 m_strcat(s, slen, " ");
775 keywords = keywords->next;
779 /* imap_free_header_data: free IMAP_HEADER structure */
780 void imap_free_header_data (void **data)
782 /* this should be safe even if the list wasn't used */
783 string_list_wipe(&(((IMAP_HEADER_DATA *) * data)->keywords));
788 /* imap_set_flags: fill out the message header according to the flags from
789 * the server. Expects a flags line of the form "FLAGS (flag flag ...)" */
790 char *imap_set_flags (IMAP_DATA * idata, HEADER * h, char *s)
792 CONTEXT *ctx = idata->ctx;
794 unsigned char readonly;
797 newh.data = p_new(IMAP_HEADER_DATA, 1);
799 if ((s = msg_parse_flags (&newh, s)) == NULL) {
800 p_delete(&newh.data);
804 /* YAUH (yet another ugly hack): temporarily set context to
805 * read-write even if it's read-only, so *server* updates of
806 * flags can be processed by mutt_set_flag. ctx->changed must
807 * be restored afterwards */
808 readonly = ctx->readonly;
811 mutt_set_flag (ctx, h, M_NEW, !(newh.read || newh.old));
812 mutt_set_flag (ctx, h, M_OLD, newh.old);
813 mutt_set_flag (ctx, h, M_READ, newh.read);
814 mutt_set_flag (ctx, h, M_DELETE, newh.deleted);
815 mutt_set_flag (ctx, h, M_FLAG, newh.flagged);
816 mutt_set_flag (ctx, h, M_REPLIED, newh.replied);
818 /* this message is now definitively *not* changed (mutt_set_flag
819 * marks things changed as a side-effect) */
821 ctx->changed &= ~readonly;
822 ctx->readonly = readonly;
824 string_list_wipe(&(HEADER_DATA (h)->keywords));
825 HEADER_DATA (h)->keywords = newh.data->keywords;
826 p_delete(&newh.data);
832 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
833 * Expects string beginning with * n FETCH.
836 * -1 if the string is not a fetch response
837 * -2 if the string is a corrupt fetch response */
838 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
843 int rc = -1; /* default now is that string isn't FETCH response */
845 idata = (IMAP_DATA *) ctx->data;
850 /* skip to message number */
851 buf = imap_next_word (buf);
855 buf = imap_next_word (buf);
856 if (ascii_strncasecmp ("FETCH", buf, 5))
859 rc = -2; /* we've got a FETCH response, for better or worse */
860 if (!(buf = strchr (buf, '(')))
864 /* FIXME: current implementation - call msg_parse_fetch - if it returns -2,
865 * read header lines and call it again. Silly. */
866 if (msg_parse_fetch (h, buf) != -2)
869 if (imap_get_literal_count (buf, &bytes) == 0) {
870 imap_read_literal (fp, idata, bytes, NULL);
872 /* we may have other fields of the FETCH _after_ the literal
873 * (eg Domino puts FLAGS here). Nothing wrong with that, either.
874 * This all has to go - we should accept literals and nonliterals
875 * interchangeably at any time. */
876 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE)
879 if (msg_parse_fetch (h, idata->cmd.buf.data) == -1)
883 rc = 0; /* success */
885 /* subtract headers from message size - unfortunately only the subset of
886 * headers we've requested. */
887 h->content_length -= bytes;
893 static ssize_t imap_hcache_keylen (const char *fn)
898 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
899 * Expects string beginning with * n FETCH.
902 * -1 if the string is not a fetch response
903 * -2 if the string is a corrupt fetch response */
904 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
905 FILE * fp __attribute__ ((unused)))
908 int rc = -1; /* default now is that string isn't FETCH response */
910 idata = (IMAP_DATA *) ctx->data;
915 /* skip to message number */
916 buf = imap_next_word (buf);
920 buf = imap_next_word (buf);
921 if (ascii_strncasecmp ("FETCH", buf, 5))
924 rc = -2; /* we've got a FETCH response, for better or worse */
925 if (!(buf = strchr (buf, '(')))
929 if (msg_parse_fetch (h, buf) < 0) {
933 if (!(buf = strchr (buf, ')')))
939 #endif /* USE_HCACHE */
942 /* msg_has_flag: do a caseless comparison of the flag against a flag list,
943 * return 1 if found or flag list has '\*', 0 otherwise */
944 static int msg_has_flag (string_list_t * flag_list, const char *flag)
949 flag_list = flag_list->next;
951 if (!ascii_strncasecmp (flag_list->data, flag, m_strlen(flag_list->data)))
954 flag_list = flag_list->next;
960 /* msg_parse_fetch: handle headers returned from header fetch */
961 static int msg_parse_fetch (IMAP_HEADER * h, char *s)
972 if (ascii_strncasecmp ("FLAGS", s, 5) == 0) {
973 if ((s = msg_parse_flags (h, s)) == NULL)
976 else if (ascii_strncasecmp ("UID", s, 3) == 0) {
977 s = vskipspaces(s + 3);
978 h->data->uid = (unsigned int) atoi (s);
980 s = imap_next_word (s);
982 else if (ascii_strncasecmp ("INTERNALDATE", s, 12) == 0) {
983 s = vskipspaces(s + 12);
989 while (*s && *s != '\"')
993 s++; /* skip past the trailing " */
995 h->received = imap_parse_date (tmp);
997 else if (ascii_strncasecmp ("RFC822.SIZE", s, 11) == 0) {
998 s = vskipspaces(s + 11);
1000 while (isdigit ((unsigned char) *s))
1003 h->content_length = atoi (tmp);
1005 else if (!ascii_strncasecmp ("BODY", s, 4) ||
1006 !ascii_strncasecmp ("RFC822.HEADER", s, 13)) {
1007 /* handle above, in msg_fetch_header */
1011 s++; /* end of request */
1013 /* got something i don't understand */
1014 imap_error ("msg_parse_fetch", s);
1022 /* msg_parse_flags: read a FLAGS token into an IMAP_HEADER */
1023 static char *msg_parse_flags (IMAP_HEADER * h, char *s)
1027 /* sanity-check string */
1028 if (ascii_strncasecmp ("FLAGS", s, 5) != 0) {
1031 s = vskipspaces(s + 5);
1038 while (*s && *s != ')') {
1039 if (ascii_strncasecmp ("\\deleted", s, 8) == 0) {
1043 else if (ascii_strncasecmp ("\\flagged", s, 8) == 0) {
1047 else if (ascii_strncasecmp ("\\answered", s, 9) == 0) {
1051 else if (ascii_strncasecmp ("\\seen", s, 5) == 0) {
1055 else if (ascii_strncasecmp ("\\recent", s, 5) == 0) {
1060 /* store custom flags as well */
1062 char *flag_word = s;
1064 if (!h->data->keywords)
1065 h->data->keywords = string_item_new();
1067 while (*s && !ISSPACE (*s) && *s != ')')
1071 mutt_add_list (h->data->keywords, flag_word);
1077 /* wrap up, or note bad flags response */
1079 /* if a message is neither seen nor recent, it is OLD. */
1080 if (option (OPTMARKOLD) && !recent && !(h->read))
1091 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn)
1094 mutt_socket_write (conn, buf);