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 */
21 #include "mutt_curses.h"
22 #include "imap_private.h"
34 #include "lib/debug.h"
42 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn);
43 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
45 static int msg_has_flag (LIST * flag_list, const char *flag);
46 static int msg_parse_fetch (IMAP_HEADER * h, char *s);
47 static char *msg_parse_flags (IMAP_HEADER * h, char *s);
50 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
52 static size_t imap_hcache_keylen (const char *fn);
53 #endif /* USE_HCACHE */
56 * Changed to read many headers instead of just one. It will return the
57 * msgno of the last message read. It will return a value other than
58 * msgend if mail comes in while downloading headers (in theory).
60 int imap_read_headers (IMAP_DATA * idata, int msgbegin, int msgend)
63 char buf[LONG_STRING];
66 char tempfile[_POSIX_PATH_MAX];
69 int rc, mfhrc, oldmsgcount;
71 const char *want_headers =
72 "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES LIST-POST X-LABEL";
76 unsigned long *uid_validity = NULL;
78 #endif /* USE_HCACHE */
82 if (mutt_bit_isset (idata->capabilities, IMAP4REV1)) {
83 snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
84 want_headers, ImapHeaders ? " " : "",
85 ImapHeaders ? ImapHeaders : "");
87 else if (mutt_bit_isset (idata->capabilities, IMAP4)) {
88 snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s%s%s)",
89 want_headers, ImapHeaders ? " " : "",
90 ImapHeaders ? ImapHeaders : "");
92 else { /* Unable to fetch headers for lower versions */
93 mutt_error _("Unable to fetch headers from this IMAP server version.");
95 mutt_sleep (2); /* pause a moment to let the user see the error */
99 /* instead of downloading all headers and then parsing them, we parse them
100 * as they come in. */
101 mutt_mktemp (tempfile);
102 if (!(fp = safe_fopen (tempfile, "w+"))) {
103 mutt_error (_("Could not create temporary file %s"), tempfile);
109 /* make sure context has room to hold the mailbox */
110 while ((msgend) >= idata->ctx->hdrmax)
111 mx_alloc_memory (idata->ctx);
113 oldmsgcount = ctx->msgcount;
114 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
115 idata->newMailCount = 0;
118 hc = mutt_hcache_open (HeaderCache, ctx->path);
120 snprintf (buf, sizeof (buf),
121 "FETCH %d:%d (UID FLAGS)", msgbegin + 1, msgend + 1);
122 fetchlast = msgend + 1;
124 imap_cmd_start (idata, buf);
126 for (msgno = msgbegin; msgno <= msgend; msgno++) {
127 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
128 mutt_message (_("Evaluating cache... [%d/%d]"), msgno + 1, msgend + 1);
131 memset (&h, 0, sizeof (h));
132 h.data = mem_calloc (1, sizeof (IMAP_HEADER_DATA));
136 rc = imap_cmd_step (idata);
137 if (rc != IMAP_CMD_CONTINUE)
141 msg_fetch_header_fetch (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
146 /* make sure we don't get remnants from older larger message headers */
149 sprintf (uid_buf, "/%u", h.data->uid); /* XXX --tg 21:41 04-07-11 */
151 (unsigned long *) mutt_hcache_fetch (hc, uid_buf, &imap_hcache_keylen);
153 if (uid_validity != NULL && *uid_validity == idata->uid_validity) {
154 ctx->hdrs[msgno] = mutt_hcache_restore((unsigned char *) uid_validity, 0);
155 ctx->hdrs[msgno]->index = h.sid - 1;
156 if (h.sid != ctx->msgcount + 1)
157 debug_print (1, ("imap_read_headers: msgcount and sequence ID are inconsistent!"));
158 /* messages which have not been expunged are ACTIVE (borrowed from mh
160 ctx->hdrs[msgno]->active = 1;
161 ctx->hdrs[msgno]->read = h.read;
162 ctx->hdrs[msgno]->old = h.old;
163 ctx->hdrs[msgno]->deleted = h.deleted;
164 ctx->hdrs[msgno]->flagged = h.flagged;
165 ctx->hdrs[msgno]->replied = h.replied;
166 ctx->hdrs[msgno]->changed = h.changed;
167 /* ctx->hdrs[msgno]->received is restored from mutt_hcache_restore */
168 ctx->hdrs[msgno]->data = (void *) (h.data);
175 mem_free (&uid_validity);
178 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
179 ((msgno + 1) >= fetchlast)));
181 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
182 imap_free_header_data ((void **) &h.data);
184 mutt_hcache_close (hc);
189 fetchlast = msgbegin;
190 #endif /* USE_HCACHE */
192 for (msgno = msgbegin; msgno <= msgend; msgno++) {
193 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
194 mutt_message (_("Fetching message headers... [%d/%d]"), msgno + 1,
197 if (ctx->hdrs[msgno])
200 if (msgno + 1 > fetchlast) {
201 fetchlast = msgno + 1;
202 while ((fetchlast <= msgend) && (!ctx->hdrs[fetchlast]))
206 * Make one request for everything. This makes fetching headers an
207 * order of magnitude faster if you have a large mailbox.
209 * If we get more messages while doing this, we make another
210 * request for all the new messages.
212 snprintf (buf, sizeof (buf),
213 "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
214 msgno + 1, fetchlast, hdrreq);
216 imap_cmd_start (idata, buf);
221 memset (&h, 0, sizeof (h));
222 h.data = mem_calloc (1, sizeof (IMAP_HEADER_DATA));
224 /* this DO loop does two things:
225 * 1. handles untagged messages, so we can try again on the same msg
226 * 2. fetches the tagged response at the end of the last message.
231 rc = imap_cmd_step (idata);
232 if (rc != IMAP_CMD_CONTINUE)
236 msg_fetch_header (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
241 /* make sure we don't get remnants from older larger message headers */
244 /* update context with message header */
245 ctx->hdrs[msgno] = mutt_new_header ();
247 ctx->hdrs[msgno]->index = h.sid - 1;
248 if (h.sid != ctx->msgcount + 1)
249 debug_print (1, ("msgcount and sequence ID are inconsistent!\n"));
250 /* messages which have not been expunged are ACTIVE (borrowed from mh
252 ctx->hdrs[msgno]->active = 1;
253 ctx->hdrs[msgno]->read = h.read;
254 ctx->hdrs[msgno]->old = h.old;
255 ctx->hdrs[msgno]->deleted = h.deleted;
256 ctx->hdrs[msgno]->flagged = h.flagged;
257 ctx->hdrs[msgno]->replied = h.replied;
258 ctx->hdrs[msgno]->changed = h.changed;
259 ctx->hdrs[msgno]->received = h.received;
260 ctx->hdrs[msgno]->data = (void *) (h.data);
263 /* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
264 * on h.received being set */
265 ctx->hdrs[msgno]->env = mutt_read_rfc822_header (fp, ctx->hdrs[msgno],
267 /* content built as a side-effect of mutt_read_rfc822_header */
268 ctx->hdrs[msgno]->content->length = h.content_length;
271 sprintf (uid_buf, "/%u", h.data->uid);
272 mutt_hcache_store (hc, uid_buf, ctx->hdrs[msgno], idata->uid_validity,
273 &imap_hcache_keylen);
274 #endif /* USE_HCACHE */
278 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
279 ((msgno + 1) >= fetchlast)));
281 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
282 imap_free_header_data ((void **) &h.data);
285 mutt_hcache_close (hc);
286 #endif /* USE_HCACHE */
290 /* in case we get new mail while fetching the headers */
291 if (idata->reopen & IMAP_NEWMAIL_PENDING) {
292 msgend = idata->newMailCount - 1;
293 while ((msgend) >= ctx->hdrmax)
294 mx_alloc_memory (ctx);
295 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
296 idata->newMailCount = 0;
301 mutt_hcache_close (hc);
302 #endif /* USE_HCACHE */
306 if (ctx->msgcount > oldmsgcount)
307 mx_update_context (ctx, ctx->msgcount - oldmsgcount);
312 int imap_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
317 char buf[LONG_STRING];
318 char path[_POSIX_PATH_MAX];
327 /* Sam's weird courier server returns an OK response even when FETCH
328 * fails. Thanks Sam. */
331 idata = (IMAP_DATA *) ctx->data;
332 h = ctx->hdrs[msgno];
334 /* see if we already have the message in our cache */
335 cacheno = HEADER_DATA (h)->uid % IMAP_CACHE_LEN;
336 cache = &idata->cache[cacheno];
339 /* don't treat cache errors as fatal, just fall back. */
340 if (cache->uid == HEADER_DATA(h)->uid && (msg->fp = fopen (cache->path, "r")))
343 unlink (cache->path);
344 mem_free (&cache->path);
349 mutt_message _("Fetching message...");
351 cache->uid = HEADER_DATA (h)->uid;
353 cache->path = str_dup (path);
354 if (!(msg->fp = safe_fopen (path, "w+"))) {
355 mem_free (&cache->path);
359 /* mark this header as currently inactive so the command handler won't
360 * also try to update it. HACK until all this code can be moved into the
364 snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA (h)->uid,
365 (mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
366 (option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") : "RFC822"));
368 imap_cmd_start (idata, buf);
370 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
374 pc = imap_next_word (pc);
375 pc = imap_next_word (pc);
377 if (!ascii_strncasecmp ("FETCH", pc, 5)) {
379 pc = imap_next_word (pc);
382 if (ascii_strncasecmp ("UID", pc, 3) == 0) {
383 pc = imap_next_word (pc);
385 if (uid != HEADER_DATA (h)->uid)
387 ("The message index is incorrect. Try reopening the mailbox."));
389 else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
390 (ascii_strncasecmp ("BODY[]", pc, 6) == 0)) {
391 pc = imap_next_word (pc);
392 if (imap_get_literal_count (pc, &bytes) < 0) {
393 imap_error ("imap_fetch_message()", buf);
396 if (imap_read_literal (msg->fp, idata, bytes) < 0)
398 /* pick up trailing line */
399 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
405 /* UW-IMAP will provide a FLAGS update here if the FETCH causes a
406 * change (eg from \Unseen to \Seen).
407 * Uncommitted changes in mutt take precedence. If we decide to
408 * incrementally update flags later, this won't stop us syncing */
409 else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed) {
410 if ((pc = imap_set_flags (idata, h, pc)) == NULL)
416 while (rc == IMAP_CMD_CONTINUE);
418 /* see comment before command start. */
422 if (ferror (msg->fp)) {
423 mutt_perror (cache->path);
427 if (rc != IMAP_CMD_OK)
430 if (!fetched || !imap_code (idata->cmd.buf))
433 /* Update the header information. Previously, we only downloaded a
434 * portion of the headers, those required for the main display.
437 /* It may be that the Status header indicates a message is read, but the
438 * IMAP server doesn't know the message has been \Seen. So we capture
439 * the server's notion of 'read' and if it differs from the message info
440 * picked up in mutt_read_rfc822_header, we mark the message (and context
441 * changed). Another possiblity: ignore Status on IMAP?*/
443 newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
444 mutt_merge_envelopes(h->env, &newenv);
446 /* see above. We want the new status in h->read, so we unset it manually
447 * and let mutt_set_flag set it correctly, updating context. */
448 if (read != h->read) {
450 mutt_set_flag (ctx, h, M_NEW, read);
454 fgets (buf, sizeof (buf), msg->fp);
455 while (!feof (msg->fp)) {
457 fgets (buf, sizeof (buf), msg->fp);
460 h->content->length = ftell (msg->fp) - h->content->offset;
462 /* This needs to be done in case this is a multipart message */
463 #if defined(HAVE_PGP) || defined(HAVE_SMIME)
464 h->security = crypt_query (h->content);
473 safe_fclose (&msg->fp);
475 unlink (cache->path);
476 mem_free (&cache->path);
482 int imap_append_message (CONTEXT * ctx, MESSAGE * msg)
486 char buf[LONG_STRING];
487 char mbox[LONG_STRING];
488 char mailbox[LONG_STRING];
494 idata = (IMAP_DATA *) ctx->data;
496 if (imap_parse_path (ctx->path, &mx))
499 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
501 if ((fp = fopen (msg->path, "r")) == NULL) {
502 mutt_perror (msg->path);
506 /* currently we set the \Seen flag on all messages, but probably we
507 * should scan the message Status header for flag info. Since we're
508 * already rereading the whole file for length it isn't any more
509 * expensive (it'd be nice if we had the file size passed in already
510 * by the code that writes the file, but that's a lot of changes.
511 * Ideally we'd have a HEADER structure with flag info here... */
512 for (last = EOF, len = 0; (c = fgetc (fp)) != EOF; last = c) {
513 if (c == '\n' && last != '\r')
520 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
521 snprintf (buf, sizeof (buf), "APPEND %s (%s%s%s%s%s) {%lu}", mbox,
522 msg->flags.read ? "\\Seen" : "",
523 msg->flags.read && (msg->flags.replied
524 || msg->flags.flagged) ? " " : "",
525 msg->flags.replied ? "\\Answered" : "", msg->flags.replied
526 && msg->flags.flagged ? " " : "",
527 msg->flags.flagged ? "\\Flagged" : "", (unsigned long) len);
529 imap_cmd_start (idata, buf);
532 rc = imap_cmd_step (idata);
533 while (rc == IMAP_CMD_CONTINUE);
535 if (rc != IMAP_CMD_RESPOND) {
538 debug_print (1, ("command failed: %s\n", idata->cmd.buf));
540 pc = idata->cmd.buf + SEQLEN;
542 pc = imap_next_word (pc);
543 mutt_error ("%s", pc);
549 mutt_message _("Uploading message ...");
551 for (last = EOF, len = 0; (c = fgetc (fp)) != EOF; last = c) {
552 if (c == '\n' && last != '\r')
557 if (len > sizeof (buf) - 3)
558 flush_buffer (buf, &len, idata->conn);
562 flush_buffer (buf, &len, idata->conn);
564 mutt_socket_write (idata->conn, "\r\n");
568 rc = imap_cmd_step (idata);
569 while (rc == IMAP_CMD_CONTINUE);
571 if (!imap_code (idata->cmd.buf)) {
574 debug_print (1, ("command failed: %s\n", idata->cmd.buf));
575 pc = idata->cmd.buf + SEQLEN;
577 pc = imap_next_word (pc);
578 mutt_error ("%s", pc);
591 /* imap_copy_messages: use server COPY command to copy messages to another
596 * 1: non-fatal error - try fetch/append */
597 int imap_copy_messages (CONTEXT * ctx, HEADER * h, char *dest, int delete)
600 BUFFER cmd, sync_cmd;
602 char mbox[LONG_STRING];
603 char mmbox[LONG_STRING];
607 int err_continue = M_NO;
609 idata = (IMAP_DATA *) ctx->data;
611 if (imap_parse_path (dest, &mx)) {
612 debug_print (1, ("bad destination %s\n", dest));
616 /* check that the save-to folder is in the same account */
617 if (!mutt_account_match (&(CTX_DATA->conn->account), &(mx.account))) {
618 debug_print (3, ("%s not same server as %s\n", dest, ctx->path));
622 if (h && h->attach_del) {
623 debug_print (3, ("Message contains attachments to be deleted\n"));
627 imap_fix_path (idata, mx.mbox, mbox, sizeof (mbox));
629 memset (&sync_cmd, 0, sizeof (sync_cmd));
630 memset (&cmd, 0, sizeof (cmd));
631 mutt_buffer_addstr (&cmd, "UID COPY ");
633 /* Null HEADER* means copy tagged messages */
635 /* if any messages have attachments to delete, fall through to FETCH
636 * and APPEND. TODO: Copy what we can with COPY, fall through for the
638 for (n = 0; n < ctx->msgcount; n++) {
639 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->attach_del) {
640 debug_print (3, ("Message contains attachments to be deleted\n"));
644 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->active &&
645 ctx->hdrs[n]->changed)
647 rc = imap_sync_message (idata, ctx->hdrs[n], &sync_cmd, &err_continue);
650 debug_print (1, ("could not sync\n"));
656 rc = imap_make_msg_set (idata, &cmd, M_TAG, 0);
658 debug_print (1, ("No messages tagged\n"));
661 mutt_message (_("Copying %d messages to %s..."), rc, mbox);
664 mutt_message (_("Copying message %d to %s..."), h->index + 1, mbox);
665 snprintf (uid, sizeof (uid), "%u", HEADER_DATA (h)->uid);
666 mutt_buffer_addstr (&cmd, uid);
668 if (h->active && h->changed)
670 rc = imap_sync_message (idata, h, &sync_cmd, &err_continue);
673 debug_print (1, ("could not sync\n"));
679 /* let's get it on */
680 mutt_buffer_addstr (&cmd, " ");
681 imap_munge_mbox_name (mmbox, sizeof (mmbox), mbox);
682 mutt_buffer_addstr (&cmd, mmbox);
684 rc = imap_exec (idata, cmd.data, IMAP_CMD_FAIL_OK);
686 /* bail out if command failed for reasons other than nonexistent target */
687 if (ascii_strncasecmp
688 (imap_get_qualifier (idata->cmd.buf), "[TRYCREATE]", 11)) {
689 imap_error ("imap_copy_messages", idata->cmd.buf);
692 debug_print (2, ("server suggests TRYCREATE\n"));
693 snprintf (mmbox, sizeof (mmbox), _("Create %s?"), mbox);
694 if (option (OPTCONFIRMCREATE) && mutt_yesorno (mmbox, 1) < 1) {
698 if (imap_create_mailbox (idata, mbox) < 0)
702 rc = imap_exec (idata, cmd.data, 0);
705 imap_error ("imap_copy_messages", idata->cmd.buf);
712 for (n = 0; n < ctx->msgcount; n++) {
713 if (ctx->hdrs[n]->tagged) {
714 mutt_set_flag (ctx, ctx->hdrs[n], M_DELETE, 1);
715 mutt_set_flag (ctx, ctx->hdrs[n], M_APPENDED, 1);
716 if (option (OPTDELETEUNTAG))
717 mutt_set_flag (ctx, ctx->hdrs[n], M_TAG, 0);
721 mutt_set_flag (ctx, h, M_DELETE, 1);
722 mutt_set_flag (ctx, h, M_APPENDED, 1);
723 if (option (OPTDELETEUNTAG))
724 mutt_set_flag (ctx, h, M_TAG, 0);
729 mem_free (&cmd.data);
731 mem_free (&sync_cmd.data);
737 mem_free (&cmd.data);
739 mem_free (&sync_cmd.data);
744 /* imap_add_keywords: concatenate custom IMAP tags to list, if they
745 * appear in the folder flags list. Why wouldn't they? */
746 void imap_add_keywords (char *s, HEADER * h, LIST * mailbox_flags,
751 if (!mailbox_flags || !HEADER_DATA (h) || !HEADER_DATA (h)->keywords)
754 keywords = HEADER_DATA (h)->keywords->next;
757 if (msg_has_flag (mailbox_flags, keywords->data)) {
758 str_cat (s, slen, keywords->data);
759 str_cat (s, slen, " ");
761 keywords = keywords->next;
765 /* imap_free_header_data: free IMAP_HEADER structure */
766 void imap_free_header_data (void **data)
768 /* this should be safe even if the list wasn't used */
769 mutt_free_list (&(((IMAP_HEADER_DATA *) * data)->keywords));
774 /* imap_set_flags: fill out the message header according to the flags from
775 * the server. Expects a flags line of the form "FLAGS (flag flag ...)" */
776 char *imap_set_flags (IMAP_DATA * idata, HEADER * h, char *s)
778 CONTEXT *ctx = idata->ctx;
780 unsigned char readonly;
782 memset (&newh, 0, sizeof (newh));
783 newh.data = mem_calloc (1, sizeof (IMAP_HEADER_DATA));
785 debug_print (2, ("parsing FLAGS\n"));
786 if ((s = msg_parse_flags (&newh, s)) == NULL) {
787 mem_free (&newh.data);
791 /* YAUH (yet another ugly hack): temporarily set context to
792 * read-write even if it's read-only, so *server* updates of
793 * flags can be processed by mutt_set_flag. ctx->changed must
794 * be restored afterwards */
795 readonly = ctx->readonly;
798 mutt_set_flag (ctx, h, M_NEW, !(newh.read || newh.old));
799 mutt_set_flag (ctx, h, M_OLD, newh.old);
800 mutt_set_flag (ctx, h, M_READ, newh.read);
801 mutt_set_flag (ctx, h, M_DELETE, newh.deleted);
802 mutt_set_flag (ctx, h, M_FLAG, newh.flagged);
803 mutt_set_flag (ctx, h, M_REPLIED, newh.replied);
805 /* this message is now definitively *not* changed (mutt_set_flag
806 * marks things changed as a side-effect) */
808 ctx->changed &= ~readonly;
809 ctx->readonly = readonly;
811 mutt_free_list (&(HEADER_DATA (h)->keywords));
812 HEADER_DATA (h)->keywords = newh.data->keywords;
813 mem_free (&newh.data);
819 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
820 * Expects string beginning with * n FETCH.
823 * -1 if the string is not a fetch response
824 * -2 if the string is a corrupt fetch response */
825 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
830 int rc = -1; /* default now is that string isn't FETCH response */
832 idata = (IMAP_DATA *) ctx->data;
837 /* skip to message number */
838 buf = imap_next_word (buf);
842 buf = imap_next_word (buf);
843 if (ascii_strncasecmp ("FETCH", buf, 5))
846 rc = -2; /* we've got a FETCH response, for better or worse */
847 if (!(buf = strchr (buf, '(')))
851 /* FIXME: current implementation - call msg_parse_fetch - if it returns -2,
852 * read header lines and call it again. Silly. */
853 if (msg_parse_fetch (h, buf) != -2)
856 if (imap_get_literal_count (buf, &bytes) == 0) {
857 imap_read_literal (fp, idata, bytes);
859 /* we may have other fields of the FETCH _after_ the literal
860 * (eg Domino puts FLAGS here). Nothing wrong with that, either.
861 * This all has to go - we should accept literals and nonliterals
862 * interchangeably at any time. */
863 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE)
866 if (msg_parse_fetch (h, idata->cmd.buf) == -1)
870 rc = 0; /* success */
872 /* subtract headers from message size - unfortunately only the subset of
873 * headers we've requested. */
874 h->content_length -= bytes;
880 static size_t imap_hcache_keylen (const char *fn)
885 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
886 * Expects string beginning with * n FETCH.
889 * -1 if the string is not a fetch response
890 * -2 if the string is a corrupt fetch response */
891 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
895 int rc = -1; /* default now is that string isn't FETCH response */
897 idata = (IMAP_DATA *) ctx->data;
902 /* skip to message number */
903 buf = imap_next_word (buf);
907 buf = imap_next_word (buf);
908 if (ascii_strncasecmp ("FETCH", buf, 5))
911 rc = -2; /* we've got a FETCH response, for better or worse */
912 if (!(buf = strchr (buf, '(')))
916 if (msg_parse_fetch (h, buf) < 0) {
920 if (!(buf = strchr (buf, ')')))
926 #endif /* USE_HCACHE */
929 /* msg_has_flag: do a caseless comparison of the flag against a flag list,
930 * return 1 if found or flag list has '\*', 0 otherwise */
931 static int msg_has_flag (LIST * flag_list, const char *flag)
936 flag_list = flag_list->next;
938 if (!ascii_strncasecmp (flag_list->data, flag, str_len (flag_list->data)))
941 flag_list = flag_list->next;
947 /* msg_parse_fetch: handle headers returned from header fetch */
948 static int msg_parse_fetch (IMAP_HEADER * h, char *s)
950 char tmp[SHORT_STRING];
959 if (ascii_strncasecmp ("FLAGS", s, 5) == 0) {
960 if ((s = msg_parse_flags (h, s)) == NULL)
963 else if (ascii_strncasecmp ("UID", s, 3) == 0) {
966 h->data->uid = (unsigned int) atoi (s);
968 s = imap_next_word (s);
970 else if (ascii_strncasecmp ("INTERNALDATE", s, 12) == 0) {
974 debug_print (1, ("bogus INTERNALDATE entry: %s\n", s));
979 while (*s && *s != '\"')
983 s++; /* skip past the trailing " */
985 h->received = imap_parse_date (tmp);
987 else if (ascii_strncasecmp ("RFC822.SIZE", s, 11) == 0) {
991 while (isdigit ((unsigned char) *s))
994 h->content_length = atoi (tmp);
996 else if (!ascii_strncasecmp ("BODY", s, 4) ||
997 !ascii_strncasecmp ("RFC822.HEADER", s, 13)) {
998 /* handle above, in msg_fetch_header */
1002 s++; /* end of request */
1004 /* got something i don't understand */
1005 imap_error ("msg_parse_fetch", s);
1013 /* msg_parse_flags: read a FLAGS token into an IMAP_HEADER */
1014 static char *msg_parse_flags (IMAP_HEADER * h, char *s)
1018 /* sanity-check string */
1019 if (ascii_strncasecmp ("FLAGS", s, 5) != 0) {
1020 debug_print (1, ("not a FLAGS response: %s\n", s));
1026 debug_print (1, ("bogus FLAGS response: %s\n", s));
1032 while (*s && *s != ')') {
1033 if (ascii_strncasecmp ("\\deleted", s, 8) == 0) {
1037 else if (ascii_strncasecmp ("\\flagged", s, 8) == 0) {
1041 else if (ascii_strncasecmp ("\\answered", s, 9) == 0) {
1045 else if (ascii_strncasecmp ("\\seen", s, 5) == 0) {
1049 else if (ascii_strncasecmp ("\\recent", s, 5) == 0) {
1054 /* store custom flags as well */
1056 char *flag_word = s;
1058 if (!h->data->keywords)
1059 h->data->keywords = mutt_new_list ();
1061 while (*s && !ISSPACE (*s) && *s != ')')
1065 mutt_add_list (h->data->keywords, flag_word);
1071 /* wrap up, or note bad flags response */
1073 /* if a message is neither seen nor recent, it is OLD. */
1074 if (option (OPTMARKOLD) && !recent && !(h->read))
1079 debug_print (1, ("Unterminated FLAGS response: %s\n", s));
1086 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn)
1089 mutt_socket_write (conn, buf);