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 */
23 #include "mutt_curses.h"
24 #include "imap_private.h"
36 #include "lib/debug.h"
44 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn);
45 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
47 static int msg_has_flag (LIST * flag_list, const char *flag);
48 static int msg_parse_fetch (IMAP_HEADER * h, char *s);
49 static char *msg_parse_flags (IMAP_HEADER * h, char *s);
52 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
54 static size_t imap_hcache_keylen (const char *fn);
55 #endif /* USE_HCACHE */
58 * Changed to read many headers instead of just one. It will return the
59 * msgno of the last message read. It will return a value other than
60 * msgend if mail comes in while downloading headers (in theory).
62 int imap_read_headers (IMAP_DATA * idata, int msgbegin, int msgend)
65 char buf[LONG_STRING];
68 char tempfile[_POSIX_PATH_MAX];
71 int rc, mfhrc, oldmsgcount;
73 const char *want_headers =
74 "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES LIST-POST X-LABEL";
78 unsigned long *uid_validity = NULL;
80 #endif /* USE_HCACHE */
84 if (mutt_bit_isset (idata->capabilities, IMAP4REV1)) {
85 snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
86 want_headers, ImapHeaders ? " " : "",
87 ImapHeaders ? ImapHeaders : "");
89 else if (mutt_bit_isset (idata->capabilities, IMAP4)) {
90 snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s%s%s)",
91 want_headers, ImapHeaders ? " " : "",
92 ImapHeaders ? ImapHeaders : "");
94 else { /* Unable to fetch headers for lower versions */
95 mutt_error _("Unable to fetch headers from this IMAP server version.");
97 mutt_sleep (2); /* pause a moment to let the user see the error */
101 /* instead of downloading all headers and then parsing them, we parse them
102 * as they come in. */
103 mutt_mktemp (tempfile);
104 if (!(fp = safe_fopen (tempfile, "w+"))) {
105 mutt_error (_("Could not create temporary file %s"), tempfile);
111 /* make sure context has room to hold the mailbox */
112 while ((msgend) >= idata->ctx->hdrmax)
113 mx_alloc_memory (idata->ctx);
115 oldmsgcount = ctx->msgcount;
116 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
117 idata->newMailCount = 0;
120 if ((hc = mutt_hcache_open (HeaderCache, ctx->path))) {
122 snprintf (buf, sizeof (buf),
123 "FETCH %d:%d (UID FLAGS)", msgbegin + 1, msgend + 1);
124 fetchlast = msgend + 1;
126 imap_cmd_start (idata, buf);
128 for (msgno = msgbegin; msgno <= msgend; msgno++) {
129 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
130 mutt_message (_("Evaluating cache... [%d/%d]"), msgno + 1, msgend + 1);
133 memset (&h, 0, sizeof (h));
134 h.data = mem_calloc (1, sizeof (IMAP_HEADER_DATA));
138 rc = imap_cmd_step (idata);
139 if (rc != IMAP_CMD_CONTINUE)
143 msg_fetch_header_fetch (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
148 /* make sure we don't get remnants from older larger message headers */
151 sprintf (uid_buf, "/%u", h.data->uid); /* XXX --tg 21:41 04-07-11 */
153 (unsigned long *) mutt_hcache_fetch (hc, uid_buf, &imap_hcache_keylen);
155 if (uid_validity != NULL && *uid_validity == idata->uid_validity) {
156 ctx->hdrs[msgno] = mutt_hcache_restore((unsigned char *) uid_validity, 0);
157 ctx->hdrs[msgno]->index = h.sid - 1;
158 if (h.sid != ctx->msgcount + 1)
159 debug_print (1, ("imap_read_headers: msgcount and sequence ID are inconsistent!"));
160 /* messages which have not been expunged are ACTIVE (borrowed from mh
162 ctx->hdrs[msgno]->active = 1;
163 ctx->hdrs[msgno]->read = h.read;
164 ctx->hdrs[msgno]->old = h.old;
165 ctx->hdrs[msgno]->deleted = h.deleted;
166 ctx->hdrs[msgno]->flagged = h.flagged;
167 ctx->hdrs[msgno]->replied = h.replied;
168 ctx->hdrs[msgno]->changed = h.changed;
169 /* ctx->hdrs[msgno]->received is restored from mutt_hcache_restore */
170 ctx->hdrs[msgno]->data = (void *) (h.data);
177 mem_free (&uid_validity);
180 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
181 ((msgno + 1) >= fetchlast)));
183 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
184 imap_free_header_data ((void **) &h.data);
186 mutt_hcache_close (hc);
191 fetchlast = msgbegin;
193 #endif /* USE_HCACHE */
195 for (msgno = msgbegin; msgno <= msgend; msgno++) {
196 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
197 mutt_message (_("Fetching message headers... [%d/%d]"), msgno + 1,
200 if (ctx->hdrs[msgno])
203 if (msgno + 1 > fetchlast) {
204 fetchlast = msgno + 1;
205 while ((fetchlast <= msgend) && (!ctx->hdrs[fetchlast]))
209 * Make one request for everything. This makes fetching headers an
210 * order of magnitude faster if you have a large mailbox.
212 * If we get more messages while doing this, we make another
213 * request for all the new messages.
215 snprintf (buf, sizeof (buf),
216 "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
217 msgno + 1, fetchlast, hdrreq);
219 imap_cmd_start (idata, buf);
224 memset (&h, 0, sizeof (h));
225 h.data = mem_calloc (1, sizeof (IMAP_HEADER_DATA));
227 /* this DO loop does two things:
228 * 1. handles untagged messages, so we can try again on the same msg
229 * 2. fetches the tagged response at the end of the last message.
234 rc = imap_cmd_step (idata);
235 if (rc != IMAP_CMD_CONTINUE)
239 msg_fetch_header (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
244 /* make sure we don't get remnants from older larger message headers */
247 /* update context with message header */
248 ctx->hdrs[msgno] = mutt_new_header ();
250 ctx->hdrs[msgno]->index = h.sid - 1;
251 if (h.sid != ctx->msgcount + 1)
252 debug_print (1, ("msgcount and sequence ID are inconsistent!\n"));
253 /* messages which have not been expunged are ACTIVE (borrowed from mh
255 ctx->hdrs[msgno]->active = 1;
256 ctx->hdrs[msgno]->read = h.read;
257 ctx->hdrs[msgno]->old = h.old;
258 ctx->hdrs[msgno]->deleted = h.deleted;
259 ctx->hdrs[msgno]->flagged = h.flagged;
260 ctx->hdrs[msgno]->replied = h.replied;
261 ctx->hdrs[msgno]->changed = h.changed;
262 ctx->hdrs[msgno]->received = h.received;
263 ctx->hdrs[msgno]->data = (void *) (h.data);
266 /* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
267 * on h.received being set */
268 ctx->hdrs[msgno]->env = mutt_read_rfc822_header (fp, ctx->hdrs[msgno],
270 /* content built as a side-effect of mutt_read_rfc822_header */
271 ctx->hdrs[msgno]->content->length = h.content_length;
274 sprintf (uid_buf, "/%u", h.data->uid);
275 mutt_hcache_store (hc, uid_buf, ctx->hdrs[msgno], idata->uid_validity,
276 &imap_hcache_keylen);
277 #endif /* USE_HCACHE */
281 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
282 ((msgno + 1) >= fetchlast)));
284 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
285 imap_free_header_data ((void *)&h.data);
288 mutt_hcache_close (hc);
289 #endif /* USE_HCACHE */
293 /* in case we get new mail while fetching the headers */
294 if (idata->reopen & IMAP_NEWMAIL_PENDING) {
295 msgend = idata->newMailCount - 1;
296 while ((msgend) >= ctx->hdrmax)
297 mx_alloc_memory (ctx);
298 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
299 idata->newMailCount = 0;
304 mutt_hcache_close (hc);
305 #endif /* USE_HCACHE */
309 if (ctx->msgcount > oldmsgcount)
310 mx_update_context (ctx, ctx->msgcount - oldmsgcount);
315 int imap_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
320 char buf[LONG_STRING];
321 char path[_POSIX_PATH_MAX];
331 /* Sam's weird courier server returns an OK response even when FETCH
332 * fails. Thanks Sam. */
335 idata = (IMAP_DATA *) ctx->data;
336 h = ctx->hdrs[msgno];
338 /* see if we already have the message in our cache */
339 cacheno = HEADER_DATA (h)->uid % IMAP_CACHE_LEN;
340 cache = &idata->cache[cacheno];
343 /* don't treat cache errors as fatal, just fall back. */
344 if (cache->uid == HEADER_DATA(h)->uid && (msg->fp = fopen (cache->path, "r")))
347 unlink (cache->path);
348 mem_free (&cache->path);
353 mutt_message _("Fetching message...");
355 cache->uid = HEADER_DATA (h)->uid;
357 cache->path = str_dup (path);
358 if (!(msg->fp = safe_fopen (path, "w+"))) {
359 mem_free (&cache->path);
363 /* mark this header as currently inactive so the command handler won't
364 * also try to update it. HACK until all this code can be moved into the
368 snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA (h)->uid,
369 (mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
370 (option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") : "RFC822"));
372 imap_cmd_start (idata, buf);
374 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
378 pc = imap_next_word (pc);
379 pc = imap_next_word (pc);
381 if (!ascii_strncasecmp ("FETCH", pc, 5)) {
383 pc = imap_next_word (pc);
386 if (ascii_strncasecmp ("UID", pc, 3) == 0) {
387 pc = imap_next_word (pc);
389 if (uid != HEADER_DATA (h)->uid)
391 ("The message index is incorrect. Try reopening the mailbox."));
393 else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
394 (ascii_strncasecmp ("BODY[]", pc, 6) == 0)) {
395 pc = imap_next_word (pc);
396 if (imap_get_literal_count (pc, &bytes) < 0) {
397 imap_error ("imap_fetch_message()", buf);
401 bar.msg = _("Fetching message...");
402 mutt_progress_bar (&bar, 0);
403 if (imap_read_literal (msg->fp, idata, bytes, &bar) < 0)
405 /* pick up trailing line */
406 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
412 /* UW-IMAP will provide a FLAGS update here if the FETCH causes a
413 * change (eg from \Unseen to \Seen).
414 * Uncommitted changes in mutt take precedence. If we decide to
415 * incrementally update flags later, this won't stop us syncing */
416 else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed) {
417 if ((pc = imap_set_flags (idata, h, pc)) == NULL)
423 while (rc == IMAP_CMD_CONTINUE);
425 /* see comment before command start. */
429 if (ferror (msg->fp)) {
430 mutt_perror (cache->path);
434 if (rc != IMAP_CMD_OK)
437 if (!fetched || !imap_code (idata->cmd.buf))
440 /* Update the header information. Previously, we only downloaded a
441 * portion of the headers, those required for the main display.
444 /* It may be that the Status header indicates a message is read, but the
445 * IMAP server doesn't know the message has been \Seen. So we capture
446 * the server's notion of 'read' and if it differs from the message info
447 * picked up in mutt_read_rfc822_header, we mark the message (and context
448 * changed). Another possiblity: ignore Status on IMAP?*/
450 newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
451 mutt_merge_envelopes(h->env, &newenv);
453 /* see above. We want the new status in h->read, so we unset it manually
454 * and let mutt_set_flag set it correctly, updating context. */
455 if (read != h->read) {
457 mutt_set_flag (ctx, h, M_NEW, read);
461 fgets (buf, sizeof (buf), msg->fp);
462 while (!feof (msg->fp)) {
464 fgets (buf, sizeof (buf), msg->fp);
467 h->content->length = ftello (msg->fp) - h->content->offset;
469 /* This needs to be done in case this is a multipart message */
470 #if defined(HAVE_PGP) || defined(HAVE_SMIME)
471 h->security = crypt_query (h->content);
480 safe_fclose (&msg->fp);
482 unlink (cache->path);
483 mem_free (&cache->path);
489 int imap_append_message (CONTEXT * ctx, MESSAGE * msg)
493 char buf[LONG_STRING];
494 char mbox[LONG_STRING];
495 char mailbox[LONG_STRING];
503 idata = (IMAP_DATA *) ctx->data;
505 if (imap_parse_path (ctx->path, &mx))
508 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
510 if ((fp = fopen (msg->path, "r")) == NULL) {
511 mutt_perror (msg->path);
515 /* currently we set the \Seen flag on all messages, but probably we
516 * should scan the message Status header for flag info. Since we're
517 * already rereading the whole file for length it isn't any more
518 * expensive (it'd be nice if we had the file size passed in already
519 * by the code that writes the file, but that's a lot of changes.
520 * Ideally we'd have a HEADER structure with flag info here... */
521 for (last = EOF, len = 0; (c = fgetc (fp)) != EOF; last = c) {
522 if (c == '\n' && last != '\r')
529 bar.msg = _("Uploading message...");
531 mutt_progress_bar (&bar, 0);
533 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
534 snprintf (buf, sizeof (buf), "APPEND %s (%s%s%s%s%s) {%lu}", mbox,
535 msg->flags.read ? "\\Seen" : "",
536 msg->flags.read && (msg->flags.replied
537 || msg->flags.flagged) ? " " : "",
538 msg->flags.replied ? "\\Answered" : "", msg->flags.replied
539 && msg->flags.flagged ? " " : "",
540 msg->flags.flagged ? "\\Flagged" : "", (unsigned long) len);
542 imap_cmd_start (idata, buf);
545 rc = imap_cmd_step (idata);
546 while (rc == IMAP_CMD_CONTINUE);
548 if (rc != IMAP_CMD_RESPOND) {
551 debug_print (1, ("command failed: %s\n", idata->cmd.buf));
553 pc = idata->cmd.buf + SEQLEN;
555 pc = imap_next_word (pc);
556 mutt_error ("%s", pc);
562 for (last = EOF, sent = len = 0; (c = fgetc (fp)) != EOF; last = c) {
563 if (c == '\n' && last != '\r')
568 if (len > sizeof (buf) - 3) {
570 flush_buffer (buf, &len, idata->conn);
571 mutt_progress_bar (&bar, sent);
576 flush_buffer (buf, &len, idata->conn);
578 mutt_socket_write (idata->conn, "\r\n");
582 rc = imap_cmd_step (idata);
583 while (rc == IMAP_CMD_CONTINUE);
585 if (!imap_code (idata->cmd.buf)) {
588 debug_print (1, ("command failed: %s\n", idata->cmd.buf));
589 pc = idata->cmd.buf + SEQLEN;
591 pc = imap_next_word (pc);
592 mutt_error ("%s", pc);
605 /* imap_copy_messages: use server COPY command to copy messages to another
610 * 1: non-fatal error - try fetch/append */
611 int imap_copy_messages (CONTEXT * ctx, HEADER * h, char *dest, int delete)
614 BUFFER cmd, sync_cmd;
616 char mbox[LONG_STRING];
617 char mmbox[LONG_STRING];
621 int err_continue = M_NO;
623 idata = (IMAP_DATA *) ctx->data;
625 if (imap_parse_path (dest, &mx)) {
626 debug_print (1, ("bad destination %s\n", dest));
630 /* check that the save-to folder is in the same account */
631 if (!mutt_account_match (&(CTX_DATA->conn->account), &(mx.account))) {
632 debug_print (3, ("%s not same server as %s\n", dest, ctx->path));
636 if (h && h->attach_del) {
637 debug_print (3, ("Message contains attachments to be deleted\n"));
641 imap_fix_path (idata, mx.mbox, mbox, sizeof (mbox));
643 memset (&sync_cmd, 0, sizeof (sync_cmd));
644 memset (&cmd, 0, sizeof (cmd));
645 mutt_buffer_addstr (&cmd, "UID COPY ");
647 /* Null HEADER* means copy tagged messages */
649 /* if any messages have attachments to delete, fall through to FETCH
650 * and APPEND. TODO: Copy what we can with COPY, fall through for the
652 for (n = 0; n < ctx->msgcount; n++) {
653 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->attach_del) {
654 debug_print (3, ("Message contains attachments to be deleted\n"));
658 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->active &&
659 ctx->hdrs[n]->changed)
661 rc = imap_sync_message (idata, ctx->hdrs[n], &sync_cmd, &err_continue);
664 debug_print (1, ("could not sync\n"));
670 rc = imap_make_msg_set (idata, &cmd, M_TAG, 0);
672 debug_print (1, ("No messages tagged\n"));
675 mutt_message (_("Copying %d messages to %s..."), rc, mbox);
678 mutt_message (_("Copying message %d to %s..."), h->index + 1, mbox);
679 snprintf (uid, sizeof (uid), "%u", HEADER_DATA (h)->uid);
680 mutt_buffer_addstr (&cmd, uid);
682 if (h->active && h->changed)
684 rc = imap_sync_message (idata, h, &sync_cmd, &err_continue);
687 debug_print (1, ("could not sync\n"));
693 /* let's get it on */
694 mutt_buffer_addstr (&cmd, " ");
695 imap_munge_mbox_name (mmbox, sizeof (mmbox), mbox);
696 mutt_buffer_addstr (&cmd, mmbox);
698 rc = imap_exec (idata, cmd.data, IMAP_CMD_FAIL_OK);
700 /* bail out if command failed for reasons other than nonexistent target */
701 if (ascii_strncasecmp
702 (imap_get_qualifier (idata->cmd.buf), "[TRYCREATE]", 11)) {
703 imap_error ("imap_copy_messages", idata->cmd.buf);
706 debug_print (2, ("server suggests TRYCREATE\n"));
707 snprintf (mmbox, sizeof (mmbox), _("Create %s?"), mbox);
708 if (option (OPTCONFIRMCREATE) && mutt_yesorno (mmbox, 1) < 1) {
712 if (imap_create_mailbox (idata, mbox) < 0)
716 rc = imap_exec (idata, cmd.data, 0);
719 imap_error ("imap_copy_messages", idata->cmd.buf);
726 for (n = 0; n < ctx->msgcount; n++) {
727 if (ctx->hdrs[n]->tagged) {
728 mutt_set_flag (ctx, ctx->hdrs[n], M_DELETE, 1);
729 mutt_set_flag (ctx, ctx->hdrs[n], M_APPENDED, 1);
730 if (option (OPTDELETEUNTAG))
731 mutt_set_flag (ctx, ctx->hdrs[n], M_TAG, 0);
735 mutt_set_flag (ctx, h, M_DELETE, 1);
736 mutt_set_flag (ctx, h, M_APPENDED, 1);
737 if (option (OPTDELETEUNTAG))
738 mutt_set_flag (ctx, h, M_TAG, 0);
743 mem_free (&cmd.data);
745 mem_free (&sync_cmd.data);
751 mem_free (&cmd.data);
753 mem_free (&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, LIST * mailbox_flags,
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 str_cat (s, slen, keywords->data);
773 str_cat (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 mutt_free_list (&(((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;
796 memset (&newh, 0, sizeof (newh));
797 newh.data = mem_calloc (1, sizeof (IMAP_HEADER_DATA));
799 debug_print (2, ("parsing FLAGS\n"));
800 if ((s = msg_parse_flags (&newh, s)) == NULL) {
801 mem_free (&newh.data);
805 /* YAUH (yet another ugly hack): temporarily set context to
806 * read-write even if it's read-only, so *server* updates of
807 * flags can be processed by mutt_set_flag. ctx->changed must
808 * be restored afterwards */
809 readonly = ctx->readonly;
812 mutt_set_flag (ctx, h, M_NEW, !(newh.read || newh.old));
813 mutt_set_flag (ctx, h, M_OLD, newh.old);
814 mutt_set_flag (ctx, h, M_READ, newh.read);
815 mutt_set_flag (ctx, h, M_DELETE, newh.deleted);
816 mutt_set_flag (ctx, h, M_FLAG, newh.flagged);
817 mutt_set_flag (ctx, h, M_REPLIED, newh.replied);
819 /* this message is now definitively *not* changed (mutt_set_flag
820 * marks things changed as a side-effect) */
822 ctx->changed &= ~readonly;
823 ctx->readonly = readonly;
825 mutt_free_list (&(HEADER_DATA (h)->keywords));
826 HEADER_DATA (h)->keywords = newh.data->keywords;
827 mem_free (&newh.data);
833 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
834 * Expects string beginning with * n FETCH.
837 * -1 if the string is not a fetch response
838 * -2 if the string is a corrupt fetch response */
839 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
844 int rc = -1; /* default now is that string isn't FETCH response */
846 idata = (IMAP_DATA *) ctx->data;
851 /* skip to message number */
852 buf = imap_next_word (buf);
856 buf = imap_next_word (buf);
857 if (ascii_strncasecmp ("FETCH", buf, 5))
860 rc = -2; /* we've got a FETCH response, for better or worse */
861 if (!(buf = strchr (buf, '(')))
865 /* FIXME: current implementation - call msg_parse_fetch - if it returns -2,
866 * read header lines and call it again. Silly. */
867 if (msg_parse_fetch (h, buf) != -2)
870 if (imap_get_literal_count (buf, &bytes) == 0) {
871 imap_read_literal (fp, idata, bytes, NULL);
873 /* we may have other fields of the FETCH _after_ the literal
874 * (eg Domino puts FLAGS here). Nothing wrong with that, either.
875 * This all has to go - we should accept literals and nonliterals
876 * interchangeably at any time. */
877 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE)
880 if (msg_parse_fetch (h, idata->cmd.buf) == -1)
884 rc = 0; /* success */
886 /* subtract headers from message size - unfortunately only the subset of
887 * headers we've requested. */
888 h->content_length -= bytes;
894 static size_t imap_hcache_keylen (const char *fn)
899 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
900 * Expects string beginning with * n FETCH.
903 * -1 if the string is not a fetch response
904 * -2 if the string is a corrupt fetch response */
905 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
909 int rc = -1; /* default now is that string isn't FETCH response */
911 idata = (IMAP_DATA *) ctx->data;
916 /* skip to message number */
917 buf = imap_next_word (buf);
921 buf = imap_next_word (buf);
922 if (ascii_strncasecmp ("FETCH", buf, 5))
925 rc = -2; /* we've got a FETCH response, for better or worse */
926 if (!(buf = strchr (buf, '(')))
930 if (msg_parse_fetch (h, buf) < 0) {
934 if (!(buf = strchr (buf, ')')))
940 #endif /* USE_HCACHE */
943 /* msg_has_flag: do a caseless comparison of the flag against a flag list,
944 * return 1 if found or flag list has '\*', 0 otherwise */
945 static int msg_has_flag (LIST * flag_list, const char *flag)
950 flag_list = flag_list->next;
952 if (!ascii_strncasecmp (flag_list->data, flag, str_len (flag_list->data)))
955 flag_list = flag_list->next;
961 /* msg_parse_fetch: handle headers returned from header fetch */
962 static int msg_parse_fetch (IMAP_HEADER * h, char *s)
964 char tmp[SHORT_STRING];
973 if (ascii_strncasecmp ("FLAGS", s, 5) == 0) {
974 if ((s = msg_parse_flags (h, s)) == NULL)
977 else if (ascii_strncasecmp ("UID", s, 3) == 0) {
980 h->data->uid = (unsigned int) atoi (s);
982 s = imap_next_word (s);
984 else if (ascii_strncasecmp ("INTERNALDATE", s, 12) == 0) {
988 debug_print (1, ("bogus INTERNALDATE entry: %s\n", s));
993 while (*s && *s != '\"')
997 s++; /* skip past the trailing " */
999 h->received = imap_parse_date (tmp);
1001 else if (ascii_strncasecmp ("RFC822.SIZE", s, 11) == 0) {
1005 while (isdigit ((unsigned char) *s))
1008 h->content_length = atoi (tmp);
1010 else if (!ascii_strncasecmp ("BODY", s, 4) ||
1011 !ascii_strncasecmp ("RFC822.HEADER", s, 13)) {
1012 /* handle above, in msg_fetch_header */
1016 s++; /* end of request */
1018 /* got something i don't understand */
1019 imap_error ("msg_parse_fetch", s);
1027 /* msg_parse_flags: read a FLAGS token into an IMAP_HEADER */
1028 static char *msg_parse_flags (IMAP_HEADER * h, char *s)
1032 /* sanity-check string */
1033 if (ascii_strncasecmp ("FLAGS", s, 5) != 0) {
1034 debug_print (1, ("not a FLAGS response: %s\n", s));
1040 debug_print (1, ("bogus FLAGS response: %s\n", s));
1046 while (*s && *s != ')') {
1047 if (ascii_strncasecmp ("\\deleted", s, 8) == 0) {
1051 else if (ascii_strncasecmp ("\\flagged", s, 8) == 0) {
1055 else if (ascii_strncasecmp ("\\answered", s, 9) == 0) {
1059 else if (ascii_strncasecmp ("\\seen", s, 5) == 0) {
1063 else if (ascii_strncasecmp ("\\recent", s, 5) == 0) {
1068 /* store custom flags as well */
1070 char *flag_word = s;
1072 if (!h->data->keywords)
1073 h->data->keywords = mutt_new_list ();
1075 while (*s && !ISSPACE (*s) && *s != ')')
1079 mutt_add_list (h->data->keywords, flag_word);
1085 /* wrap up, or note bad flags response */
1087 /* if a message is neither seen nor recent, it is OLD. */
1088 if (option (OPTMARKOLD) && !recent && !(h->read))
1093 debug_print (1, ("Unterminated FLAGS response: %s\n", s));
1100 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn)
1103 mutt_socket_write (conn, buf);