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 */
20 #include <lib-lib/mem.h>
21 #include <lib-lib/ascii.h>
22 #include <lib-lib/str.h>
23 #include <lib-lib/buffer.h>
25 #include <lib-ui/curses.h>
28 #include "imap_private.h"
37 #include <lib-lib/macros.h>
38 #include <lib-lib/file.h>
46 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn);
47 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
49 static int msg_has_flag (string_list_t * flag_list, const char *flag);
50 static int msg_parse_fetch (IMAP_HEADER * h, char *s);
51 static char *msg_parse_flags (IMAP_HEADER * h, char *s);
54 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
56 static ssize_t imap_hcache_keylen (const char *fn);
57 #endif /* USE_HCACHE */
60 * Changed to read many headers instead of just one. It will return the
61 * msgno of the last message read. It will return a value other than
62 * msgend if mail comes in while downloading headers (in theory).
64 int imap_read_headers (IMAP_DATA * idata, int msgbegin, int msgend)
67 char buf[LONG_STRING];
70 char tempfile[_POSIX_PATH_MAX];
73 int rc, mfhrc, oldmsgcount;
75 const char *want_headers =
76 "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES string_list_t-POST X-LABEL";
80 unsigned long *uid_validity = NULL;
82 #endif /* USE_HCACHE */
86 if (mutt_bit_isset (idata->capabilities, IMAP4REV1)) {
87 snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
88 want_headers, ImapHeaders ? " " : "",
89 ImapHeaders ? ImapHeaders : "");
91 else if (mutt_bit_isset (idata->capabilities, IMAP4)) {
92 snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s%s%s)",
93 want_headers, ImapHeaders ? " " : "",
94 ImapHeaders ? ImapHeaders : "");
96 else { /* Unable to fetch headers for lower versions */
97 mutt_error _("Unable to fetch headers from this IMAP server version.");
99 mutt_sleep (2); /* pause a moment to let the user see the error */
103 /* instead of downloading all headers and then parsing them, we parse them
104 * as they come in. */
105 mutt_mktemp (tempfile);
106 if (!(fp = safe_fopen (tempfile, "w+"))) {
107 mutt_error (_("Could not create temporary file %s"), tempfile);
113 /* make sure context has room to hold the mailbox */
114 while ((msgend) >= idata->ctx->hdrmax)
115 mx_alloc_memory (idata->ctx);
117 oldmsgcount = ctx->msgcount;
118 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
119 idata->newMailCount = 0;
122 if ((hc = mutt_hcache_open (HeaderCache, ctx->path))) {
124 snprintf (buf, sizeof (buf),
125 "FETCH %d:%d (UID FLAGS)", msgbegin + 1, msgend + 1);
126 fetchlast = msgend + 1;
128 imap_cmd_start (idata, buf);
130 for (msgno = msgbegin; msgno <= msgend; msgno++) {
131 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
132 mutt_message (_("Evaluating cache... [%d/%d]"), msgno + 1, msgend + 1);
136 h.data = p_new(IMAP_HEADER_DATA, 1);
140 rc = imap_cmd_step (idata);
141 if (rc != IMAP_CMD_CONTINUE)
145 msg_fetch_header_fetch (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
150 /* make sure we don't get remnants from older larger message headers */
153 sprintf (uid_buf, "/%u", h.data->uid); /* XXX --tg 21:41 04-07-11 */
155 (unsigned long *) mutt_hcache_fetch (hc, uid_buf, &imap_hcache_keylen);
157 if (uid_validity != NULL && *uid_validity == idata->uid_validity) {
158 ctx->hdrs[msgno] = mutt_hcache_restore((unsigned char *) uid_validity, 0);
159 ctx->hdrs[msgno]->index = h.sid - 1;
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 p_delete(&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);
225 h.data = p_new(IMAP_HEADER_DATA, 1);
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] = header_new();
250 ctx->hdrs[msgno]->index = h.sid - 1;
251 /* messages which have not been expunged are ACTIVE (borrowed from mh
253 ctx->hdrs[msgno]->active = 1;
254 ctx->hdrs[msgno]->read = h.read;
255 ctx->hdrs[msgno]->old = h.old;
256 ctx->hdrs[msgno]->deleted = h.deleted;
257 ctx->hdrs[msgno]->flagged = h.flagged;
258 ctx->hdrs[msgno]->replied = h.replied;
259 ctx->hdrs[msgno]->changed = h.changed;
260 ctx->hdrs[msgno]->received = h.received;
261 ctx->hdrs[msgno]->data = (void *) (h.data);
264 /* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
265 * on h.received being set */
266 ctx->hdrs[msgno]->env = mutt_read_rfc822_header (fp, ctx->hdrs[msgno],
268 /* content built as a side-effect of mutt_read_rfc822_header */
269 ctx->hdrs[msgno]->content->length = h.content_length;
272 sprintf (uid_buf, "/%u", h.data->uid);
273 mutt_hcache_store (hc, uid_buf, ctx->hdrs[msgno], idata->uid_validity,
274 &imap_hcache_keylen);
275 #endif /* USE_HCACHE */
279 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
280 ((msgno + 1) >= fetchlast)));
282 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
283 imap_free_header_data ((void *)&h.data);
286 mutt_hcache_close (hc);
287 #endif /* USE_HCACHE */
291 /* in case we get new mail while fetching the headers */
292 if (idata->reopen & IMAP_NEWMAIL_PENDING) {
293 msgend = idata->newMailCount - 1;
294 while ((msgend) >= ctx->hdrmax)
295 mx_alloc_memory (ctx);
296 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
297 idata->newMailCount = 0;
302 mutt_hcache_close (hc);
303 #endif /* USE_HCACHE */
307 if (ctx->msgcount > oldmsgcount)
308 mx_update_context (ctx, ctx->msgcount - oldmsgcount);
313 int imap_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
318 char buf[LONG_STRING];
319 char path[_POSIX_PATH_MAX];
329 /* Sam's weird courier server returns an OK response even when FETCH
330 * fails. Thanks Sam. */
333 idata = (IMAP_DATA *) ctx->data;
334 h = ctx->hdrs[msgno];
336 /* see if we already have the message in our cache */
337 cacheno = HEADER_DATA (h)->uid % IMAP_CACHE_LEN;
338 cache = &idata->cache[cacheno];
341 /* don't treat cache errors as fatal, just fall back. */
342 if (cache->uid == HEADER_DATA(h)->uid && (msg->fp = fopen (cache->path, "r")))
345 unlink (cache->path);
346 p_delete(&cache->path);
351 mutt_message _("Fetching message...");
353 cache->uid = HEADER_DATA (h)->uid;
355 cache->path = m_strdup(path);
356 if (!(msg->fp = safe_fopen (path, "w+"))) {
357 p_delete(&cache->path);
361 /* mark this header as currently inactive so the command handler won't
362 * also try to update it. HACK until all this code can be moved into the
366 snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA (h)->uid,
367 (mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
368 (option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") : "RFC822"));
370 imap_cmd_start (idata, buf);
372 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
376 pc = imap_next_word (pc);
377 pc = imap_next_word (pc);
379 if (!ascii_strncasecmp ("FETCH", pc, 5)) {
381 pc = imap_next_word (pc);
384 if (ascii_strncasecmp ("UID", pc, 3) == 0) {
385 pc = imap_next_word (pc);
387 if (uid != HEADER_DATA(h)->uid)
389 ("The message index is incorrect. Try reopening the mailbox."));
391 else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
392 (ascii_strncasecmp ("BODY[]", pc, 6) == 0)) {
393 pc = imap_next_word (pc);
394 if (imap_get_literal_count (pc, &bytes) < 0) {
395 imap_error ("imap_fetch_message()", buf);
399 bar.msg = _("Fetching message...");
400 mutt_progress_bar (&bar, 0);
401 if (imap_read_literal (msg->fp, idata, bytes, &bar) < 0)
403 /* pick up trailing line */
404 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
410 /* UW-IMAP will provide a FLAGS update here if the FETCH causes a
411 * change (eg from \Unseen to \Seen).
412 * Uncommitted changes in mutt take precedence. If we decide to
413 * incrementally update flags later, this won't stop us syncing */
414 else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed) {
415 if ((pc = imap_set_flags (idata, h, pc)) == NULL)
421 while (rc == IMAP_CMD_CONTINUE);
423 /* see comment before command start. */
427 if (ferror (msg->fp)) {
428 mutt_perror (cache->path);
432 if (rc != IMAP_CMD_OK)
435 if (!fetched || !imap_code (idata->cmd.buf))
438 /* Update the header information. Previously, we only downloaded a
439 * portion of the headers, those required for the main display.
442 /* It may be that the Status header indicates a message is read, but the
443 * IMAP server doesn't know the message has been \Seen. So we capture
444 * the server's notion of 'read' and if it differs from the message info
445 * picked up in mutt_read_rfc822_header, we mark the message (and context
446 * changed). Another possiblity: ignore Status on IMAP?*/
448 newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
449 mutt_merge_envelopes(h->env, &newenv);
451 /* see above. We want the new status in h->read, so we unset it manually
452 * and let mutt_set_flag set it correctly, updating context. */
453 if (isread != h->read) {
455 mutt_set_flag (ctx, h, M_NEW, isread);
459 fgets (buf, sizeof (buf), msg->fp);
460 while (!feof (msg->fp)) {
462 fgets (buf, sizeof (buf), msg->fp);
465 h->content->length = ftello (msg->fp) - h->content->offset;
467 /* This needs to be done in case this is a multipart message */
468 #if defined(HAVE_PGP) || defined(HAVE_SMIME)
469 h->security = crypt_query (h->content);
478 safe_fclose (&msg->fp);
480 unlink (cache->path);
481 p_delete(&cache->path);
487 int imap_append_message (CONTEXT * ctx, MESSAGE * msg)
491 char buf[LONG_STRING];
492 char mbox[LONG_STRING];
493 char mailbox[LONG_STRING];
501 idata = (IMAP_DATA *) ctx->data;
503 if (imap_parse_path (ctx->path, &mx))
506 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
508 if ((fp = fopen (msg->path, "r")) == NULL) {
509 mutt_perror (msg->path);
513 /* currently we set the \Seen flag on all messages, but probably we
514 * should scan the message Status header for flag info. Since we're
515 * already rereading the whole file for length it isn't any more
516 * expensive (it'd be nice if we had the file size passed in already
517 * by the code that writes the file, but that's a lot of changes.
518 * Ideally we'd have a HEADER structure with flag info here... */
519 for (last = EOF, len = 0; (c = fgetc (fp)) != EOF; last = c) {
520 if (c == '\n' && last != '\r')
527 bar.msg = _("Uploading message...");
529 mutt_progress_bar (&bar, 0);
531 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
532 snprintf (buf, sizeof (buf), "APPEND %s (%s%s%s%s%s) {%lu}", mbox,
533 msg->flags.read ? "\\Seen" : "",
534 msg->flags.read && (msg->flags.replied
535 || msg->flags.flagged) ? " " : "",
536 msg->flags.replied ? "\\Answered" : "", msg->flags.replied
537 && msg->flags.flagged ? " " : "",
538 msg->flags.flagged ? "\\Flagged" : "", (unsigned long) len);
540 imap_cmd_start (idata, buf);
543 rc = imap_cmd_step (idata);
544 while (rc == IMAP_CMD_CONTINUE);
546 if (rc != IMAP_CMD_RESPOND) {
549 pc = vskipspaces(idata->cmd.buf + SEQLEN);
550 pc = imap_next_word (pc);
551 mutt_error ("%s", pc);
557 for (last = EOF, sent = len = 0; (c = fgetc (fp)) != EOF; last = c) {
558 if (c == '\n' && last != '\r')
563 if (len > sizeof (buf) - 3) {
565 flush_buffer (buf, &len, idata->conn);
566 mutt_progress_bar (&bar, sent);
571 flush_buffer (buf, &len, idata->conn);
573 mutt_socket_write (idata->conn, "\r\n");
577 rc = imap_cmd_step (idata);
578 while (rc == IMAP_CMD_CONTINUE);
580 if (!imap_code (idata->cmd.buf)) {
583 pc = vskipspaces(idata->cmd.buf + SEQLEN);
584 pc = imap_next_word (pc);
585 mutt_error ("%s", pc);
598 /* imap_copy_messages: use server COPY command to copy messages to another
603 * 1: non-fatal error - try fetch/append */
604 int imap_copy_messages (CONTEXT * ctx, HEADER * h, char *dest, int delete)
607 BUFFER cmd, sync_cmd;
609 char mbox[LONG_STRING];
610 char mmbox[LONG_STRING];
614 int err_continue = M_NO;
616 idata = (IMAP_DATA *) ctx->data;
618 if (imap_parse_path (dest, &mx)) {
622 /* check that the save-to folder is in the same account */
623 if (!mutt_account_match (&(CTX_DATA->conn->account), &(mx.account))) {
627 if (h && h->attach_del) {
631 imap_fix_path (idata, mx.mbox, mbox, sizeof (mbox));
633 p_clear(&sync_cmd, 1);
635 mutt_buffer_addstr (&cmd, "UID COPY ");
637 /* Null HEADER* means copy tagged messages */
639 /* if any messages have attachments to delete, fall through to FETCH
640 * and APPEND. TODO: Copy what we can with COPY, fall through for the
642 for (n = 0; n < ctx->msgcount; n++) {
643 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->attach_del) {
647 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->active &&
648 ctx->hdrs[n]->changed)
650 rc = imap_sync_message (idata, ctx->hdrs[n], &sync_cmd, &err_continue);
658 rc = imap_make_msg_set (idata, &cmd, M_TAG, 0);
662 mutt_message (_("Copying %d messages to %s..."), rc, mbox);
665 mutt_message (_("Copying message %d to %s..."), h->index + 1, mbox);
666 snprintf (uid, sizeof (uid), "%u", HEADER_DATA (h)->uid);
667 mutt_buffer_addstr (&cmd, uid);
669 if (h->active && h->changed)
671 rc = imap_sync_message (idata, h, &sync_cmd, &err_continue);
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 snprintf (mmbox, sizeof (mmbox), _("Create %s?"), mbox);
693 if (option (OPTCONFIRMCREATE) && mutt_yesorno (mmbox, 1) < 1) {
697 if (imap_create_mailbox (idata, mbox) < 0)
701 rc = imap_exec (idata, cmd.data, 0);
704 imap_error ("imap_copy_messages", idata->cmd.buf);
711 for (n = 0; n < ctx->msgcount; n++) {
712 if (ctx->hdrs[n]->tagged) {
713 mutt_set_flag (ctx, ctx->hdrs[n], M_DELETE, 1);
714 mutt_set_flag (ctx, ctx->hdrs[n], M_APPENDED, 1);
715 if (option (OPTDELETEUNTAG))
716 mutt_set_flag (ctx, ctx->hdrs[n], M_TAG, 0);
720 mutt_set_flag (ctx, h, M_DELETE, 1);
721 mutt_set_flag (ctx, h, M_APPENDED, 1);
722 if (option (OPTDELETEUNTAG))
723 mutt_set_flag (ctx, h, M_TAG, 0);
730 p_delete(&sync_cmd.data);
738 p_delete(&sync_cmd.data);
743 /* imap_add_keywords: concatenate custom IMAP tags to list, if they
744 * appear in the folder flags list. Why wouldn't they? */
745 void imap_add_keywords (char *s, HEADER * h, string_list_t * mailbox_flags,
748 string_list_t *keywords;
750 if (!mailbox_flags || !HEADER_DATA (h) || !HEADER_DATA (h)->keywords)
753 keywords = HEADER_DATA (h)->keywords->next;
756 if (msg_has_flag (mailbox_flags, keywords->data)) {
757 m_strcat(s, slen, keywords->data);
758 m_strcat(s, slen, " ");
760 keywords = keywords->next;
764 /* imap_free_header_data: free IMAP_HEADER structure */
765 void imap_free_header_data (void **data)
767 /* this should be safe even if the list wasn't used */
768 string_list_wipe(&(((IMAP_HEADER_DATA *) * data)->keywords));
773 /* imap_set_flags: fill out the message header according to the flags from
774 * the server. Expects a flags line of the form "FLAGS (flag flag ...)" */
775 char *imap_set_flags (IMAP_DATA * idata, HEADER * h, char *s)
777 CONTEXT *ctx = idata->ctx;
779 unsigned char readonly;
782 newh.data = p_new(IMAP_HEADER_DATA, 1);
784 if ((s = msg_parse_flags (&newh, s)) == NULL) {
785 p_delete(&newh.data);
789 /* YAUH (yet another ugly hack): temporarily set context to
790 * read-write even if it's read-only, so *server* updates of
791 * flags can be processed by mutt_set_flag. ctx->changed must
792 * be restored afterwards */
793 readonly = ctx->readonly;
796 mutt_set_flag (ctx, h, M_NEW, !(newh.read || newh.old));
797 mutt_set_flag (ctx, h, M_OLD, newh.old);
798 mutt_set_flag (ctx, h, M_READ, newh.read);
799 mutt_set_flag (ctx, h, M_DELETE, newh.deleted);
800 mutt_set_flag (ctx, h, M_FLAG, newh.flagged);
801 mutt_set_flag (ctx, h, M_REPLIED, newh.replied);
803 /* this message is now definitively *not* changed (mutt_set_flag
804 * marks things changed as a side-effect) */
806 ctx->changed &= ~readonly;
807 ctx->readonly = readonly;
809 string_list_wipe(&(HEADER_DATA (h)->keywords));
810 HEADER_DATA (h)->keywords = newh.data->keywords;
811 p_delete(&newh.data);
817 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
818 * Expects string beginning with * n FETCH.
821 * -1 if the string is not a fetch response
822 * -2 if the string is a corrupt fetch response */
823 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
828 int rc = -1; /* default now is that string isn't FETCH response */
830 idata = (IMAP_DATA *) ctx->data;
835 /* skip to message number */
836 buf = imap_next_word (buf);
840 buf = imap_next_word (buf);
841 if (ascii_strncasecmp ("FETCH", buf, 5))
844 rc = -2; /* we've got a FETCH response, for better or worse */
845 if (!(buf = strchr (buf, '(')))
849 /* FIXME: current implementation - call msg_parse_fetch - if it returns -2,
850 * read header lines and call it again. Silly. */
851 if (msg_parse_fetch (h, buf) != -2)
854 if (imap_get_literal_count (buf, &bytes) == 0) {
855 imap_read_literal (fp, idata, bytes, NULL);
857 /* we may have other fields of the FETCH _after_ the literal
858 * (eg Domino puts FLAGS here). Nothing wrong with that, either.
859 * This all has to go - we should accept literals and nonliterals
860 * interchangeably at any time. */
861 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE)
864 if (msg_parse_fetch (h, idata->cmd.buf) == -1)
868 rc = 0; /* success */
870 /* subtract headers from message size - unfortunately only the subset of
871 * headers we've requested. */
872 h->content_length -= bytes;
878 static ssize_t imap_hcache_keylen (const char *fn)
883 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
884 * Expects string beginning with * n FETCH.
887 * -1 if the string is not a fetch response
888 * -2 if the string is a corrupt fetch response */
889 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
890 FILE * fp __attribute__ ((unused)))
893 int rc = -1; /* default now is that string isn't FETCH response */
895 idata = (IMAP_DATA *) ctx->data;
900 /* skip to message number */
901 buf = imap_next_word (buf);
905 buf = imap_next_word (buf);
906 if (ascii_strncasecmp ("FETCH", buf, 5))
909 rc = -2; /* we've got a FETCH response, for better or worse */
910 if (!(buf = strchr (buf, '(')))
914 if (msg_parse_fetch (h, buf) < 0) {
918 if (!(buf = strchr (buf, ')')))
924 #endif /* USE_HCACHE */
927 /* msg_has_flag: do a caseless comparison of the flag against a flag list,
928 * return 1 if found or flag list has '\*', 0 otherwise */
929 static int msg_has_flag (string_list_t * flag_list, const char *flag)
934 flag_list = flag_list->next;
936 if (!ascii_strncasecmp (flag_list->data, flag, m_strlen(flag_list->data)))
939 flag_list = flag_list->next;
945 /* msg_parse_fetch: handle headers returned from header fetch */
946 static int msg_parse_fetch (IMAP_HEADER * h, char *s)
948 char tmp[SHORT_STRING];
957 if (ascii_strncasecmp ("FLAGS", s, 5) == 0) {
958 if ((s = msg_parse_flags (h, s)) == NULL)
961 else if (ascii_strncasecmp ("UID", s, 3) == 0) {
962 s = vskipspaces(s + 3);
963 h->data->uid = (unsigned int) atoi (s);
965 s = imap_next_word (s);
967 else if (ascii_strncasecmp ("INTERNALDATE", s, 12) == 0) {
968 s = vskipspaces(s + 12);
974 while (*s && *s != '\"')
978 s++; /* skip past the trailing " */
980 h->received = imap_parse_date (tmp);
982 else if (ascii_strncasecmp ("RFC822.SIZE", s, 11) == 0) {
983 s = vskipspaces(s + 11);
985 while (isdigit ((unsigned char) *s))
988 h->content_length = atoi (tmp);
990 else if (!ascii_strncasecmp ("BODY", s, 4) ||
991 !ascii_strncasecmp ("RFC822.HEADER", s, 13)) {
992 /* handle above, in msg_fetch_header */
996 s++; /* end of request */
998 /* got something i don't understand */
999 imap_error ("msg_parse_fetch", s);
1007 /* msg_parse_flags: read a FLAGS token into an IMAP_HEADER */
1008 static char *msg_parse_flags (IMAP_HEADER * h, char *s)
1012 /* sanity-check string */
1013 if (ascii_strncasecmp ("FLAGS", s, 5) != 0) {
1016 s = vskipspaces(s + 5);
1023 while (*s && *s != ')') {
1024 if (ascii_strncasecmp ("\\deleted", s, 8) == 0) {
1028 else if (ascii_strncasecmp ("\\flagged", s, 8) == 0) {
1032 else if (ascii_strncasecmp ("\\answered", s, 9) == 0) {
1036 else if (ascii_strncasecmp ("\\seen", s, 5) == 0) {
1040 else if (ascii_strncasecmp ("\\recent", s, 5) == 0) {
1045 /* store custom flags as well */
1047 char *flag_word = s;
1049 if (!h->data->keywords)
1050 h->data->keywords = string_item_new();
1052 while (*s && !ISSPACE (*s) && *s != ')')
1056 mutt_add_list (h->data->keywords, flag_word);
1062 /* wrap up, or note bad flags response */
1064 /* if a message is neither seen nor recent, it is OLD. */
1065 if (option (OPTMARKOLD) && !recent && !(h->read))
1076 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn)
1079 mutt_socket_write (conn, buf);