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>
24 #include <lib-lib/debug.h>
26 #include <lib-ui/curses.h>
29 #include "imap_private.h"
38 #include <lib-lib/macros.h>
39 #include <lib-lib/file.h>
47 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn);
48 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
50 static int msg_has_flag (string_list_t * flag_list, const char *flag);
51 static int msg_parse_fetch (IMAP_HEADER * h, char *s);
52 static char *msg_parse_flags (IMAP_HEADER * h, char *s);
55 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
57 static size_t imap_hcache_keylen (const char *fn);
58 #endif /* USE_HCACHE */
61 * Changed to read many headers instead of just one. It will return the
62 * msgno of the last message read. It will return a value other than
63 * msgend if mail comes in while downloading headers (in theory).
65 int imap_read_headers (IMAP_DATA * idata, int msgbegin, int msgend)
68 char buf[LONG_STRING];
71 char tempfile[_POSIX_PATH_MAX];
74 int rc, mfhrc, oldmsgcount;
76 const char *want_headers =
77 "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES string_list_t-POST X-LABEL";
81 unsigned long *uid_validity = NULL;
83 #endif /* USE_HCACHE */
87 if (mutt_bit_isset (idata->capabilities, IMAP4REV1)) {
88 snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
89 want_headers, ImapHeaders ? " " : "",
90 ImapHeaders ? ImapHeaders : "");
92 else if (mutt_bit_isset (idata->capabilities, IMAP4)) {
93 snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s%s%s)",
94 want_headers, ImapHeaders ? " " : "",
95 ImapHeaders ? ImapHeaders : "");
97 else { /* Unable to fetch headers for lower versions */
98 mutt_error _("Unable to fetch headers from this IMAP server version.");
100 mutt_sleep (2); /* pause a moment to let the user see the error */
104 /* instead of downloading all headers and then parsing them, we parse them
105 * as they come in. */
106 mutt_mktemp (tempfile);
107 if (!(fp = safe_fopen (tempfile, "w+"))) {
108 mutt_error (_("Could not create temporary file %s"), tempfile);
114 /* make sure context has room to hold the mailbox */
115 while ((msgend) >= idata->ctx->hdrmax)
116 mx_alloc_memory (idata->ctx);
118 oldmsgcount = ctx->msgcount;
119 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
120 idata->newMailCount = 0;
123 if ((hc = mutt_hcache_open (HeaderCache, ctx->path))) {
125 snprintf (buf, sizeof (buf),
126 "FETCH %d:%d (UID FLAGS)", msgbegin + 1, msgend + 1);
127 fetchlast = msgend + 1;
129 imap_cmd_start (idata, buf);
131 for (msgno = msgbegin; msgno <= msgend; msgno++) {
132 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
133 mutt_message (_("Evaluating cache... [%d/%d]"), msgno + 1, msgend + 1);
137 h.data = p_new(IMAP_HEADER_DATA, 1);
141 rc = imap_cmd_step (idata);
142 if (rc != IMAP_CMD_CONTINUE)
146 msg_fetch_header_fetch (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
151 /* make sure we don't get remnants from older larger message headers */
154 sprintf (uid_buf, "/%u", h.data->uid); /* XXX --tg 21:41 04-07-11 */
156 (unsigned long *) mutt_hcache_fetch (hc, uid_buf, &imap_hcache_keylen);
158 if (uid_validity != NULL && *uid_validity == idata->uid_validity) {
159 ctx->hdrs[msgno] = mutt_hcache_restore((unsigned char *) uid_validity, 0);
160 ctx->hdrs[msgno]->index = h.sid - 1;
161 if (h.sid != ctx->msgcount + 1)
162 debug_print (1, ("imap_read_headers: msgcount and sequence ID are inconsistent!"));
163 /* messages which have not been expunged are ACTIVE (borrowed from mh
165 ctx->hdrs[msgno]->active = 1;
166 ctx->hdrs[msgno]->read = h.read;
167 ctx->hdrs[msgno]->old = h.old;
168 ctx->hdrs[msgno]->deleted = h.deleted;
169 ctx->hdrs[msgno]->flagged = h.flagged;
170 ctx->hdrs[msgno]->replied = h.replied;
171 ctx->hdrs[msgno]->changed = h.changed;
172 /* ctx->hdrs[msgno]->received is restored from mutt_hcache_restore */
173 ctx->hdrs[msgno]->data = (void *) (h.data);
180 p_delete(&uid_validity);
183 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
184 ((msgno + 1) >= fetchlast)));
186 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
187 imap_free_header_data ((void **) &h.data);
189 mutt_hcache_close (hc);
194 fetchlast = msgbegin;
196 #endif /* USE_HCACHE */
198 for (msgno = msgbegin; msgno <= msgend; msgno++) {
199 if (ReadInc && (!msgno || ((msgno + 1) % ReadInc == 0)))
200 mutt_message (_("Fetching message headers... [%d/%d]"), msgno + 1,
203 if (ctx->hdrs[msgno])
206 if (msgno + 1 > fetchlast) {
207 fetchlast = msgno + 1;
208 while ((fetchlast <= msgend) && (!ctx->hdrs[fetchlast]))
212 * Make one request for everything. This makes fetching headers an
213 * order of magnitude faster if you have a large mailbox.
215 * If we get more messages while doing this, we make another
216 * request for all the new messages.
218 snprintf (buf, sizeof (buf),
219 "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
220 msgno + 1, fetchlast, hdrreq);
222 imap_cmd_start (idata, buf);
228 h.data = p_new(IMAP_HEADER_DATA, 1);
230 /* this DO loop does two things:
231 * 1. handles untagged messages, so we can try again on the same msg
232 * 2. fetches the tagged response at the end of the last message.
237 rc = imap_cmd_step (idata);
238 if (rc != IMAP_CMD_CONTINUE)
242 msg_fetch_header (idata->ctx, &h, idata->cmd.buf, fp)) == -1)
247 /* make sure we don't get remnants from older larger message headers */
250 /* update context with message header */
251 ctx->hdrs[msgno] = header_new();
253 ctx->hdrs[msgno]->index = h.sid - 1;
254 if (h.sid != ctx->msgcount + 1)
255 debug_print (1, ("msgcount and sequence ID are inconsistent!\n"));
256 /* messages which have not been expunged are ACTIVE (borrowed from mh
258 ctx->hdrs[msgno]->active = 1;
259 ctx->hdrs[msgno]->read = h.read;
260 ctx->hdrs[msgno]->old = h.old;
261 ctx->hdrs[msgno]->deleted = h.deleted;
262 ctx->hdrs[msgno]->flagged = h.flagged;
263 ctx->hdrs[msgno]->replied = h.replied;
264 ctx->hdrs[msgno]->changed = h.changed;
265 ctx->hdrs[msgno]->received = h.received;
266 ctx->hdrs[msgno]->data = (void *) (h.data);
269 /* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
270 * on h.received being set */
271 ctx->hdrs[msgno]->env = mutt_read_rfc822_header (fp, ctx->hdrs[msgno],
273 /* content built as a side-effect of mutt_read_rfc822_header */
274 ctx->hdrs[msgno]->content->length = h.content_length;
277 sprintf (uid_buf, "/%u", h.data->uid);
278 mutt_hcache_store (hc, uid_buf, ctx->hdrs[msgno], idata->uid_validity,
279 &imap_hcache_keylen);
280 #endif /* USE_HCACHE */
284 while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
285 ((msgno + 1) >= fetchlast)));
287 if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK))) {
288 imap_free_header_data ((void *)&h.data);
291 mutt_hcache_close (hc);
292 #endif /* USE_HCACHE */
296 /* in case we get new mail while fetching the headers */
297 if (idata->reopen & IMAP_NEWMAIL_PENDING) {
298 msgend = idata->newMailCount - 1;
299 while ((msgend) >= ctx->hdrmax)
300 mx_alloc_memory (ctx);
301 idata->reopen &= ~IMAP_NEWMAIL_PENDING;
302 idata->newMailCount = 0;
307 mutt_hcache_close (hc);
308 #endif /* USE_HCACHE */
312 if (ctx->msgcount > oldmsgcount)
313 mx_update_context (ctx, ctx->msgcount - oldmsgcount);
318 int imap_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
323 char buf[LONG_STRING];
324 char path[_POSIX_PATH_MAX];
334 /* Sam's weird courier server returns an OK response even when FETCH
335 * fails. Thanks Sam. */
338 idata = (IMAP_DATA *) ctx->data;
339 h = ctx->hdrs[msgno];
341 /* see if we already have the message in our cache */
342 cacheno = HEADER_DATA (h)->uid % IMAP_CACHE_LEN;
343 cache = &idata->cache[cacheno];
346 /* don't treat cache errors as fatal, just fall back. */
347 if (cache->uid == HEADER_DATA(h)->uid && (msg->fp = fopen (cache->path, "r")))
350 unlink (cache->path);
351 p_delete(&cache->path);
356 mutt_message _("Fetching message...");
358 cache->uid = HEADER_DATA (h)->uid;
360 cache->path = m_strdup(path);
361 if (!(msg->fp = safe_fopen (path, "w+"))) {
362 p_delete(&cache->path);
366 /* mark this header as currently inactive so the command handler won't
367 * also try to update it. HACK until all this code can be moved into the
371 snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA (h)->uid,
372 (mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
373 (option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") : "RFC822"));
375 imap_cmd_start (idata, buf);
377 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
381 pc = imap_next_word (pc);
382 pc = imap_next_word (pc);
384 if (!ascii_strncasecmp ("FETCH", pc, 5)) {
386 pc = imap_next_word (pc);
389 if (ascii_strncasecmp ("UID", pc, 3) == 0) {
390 pc = imap_next_word (pc);
392 if (uid != HEADER_DATA (h)->uid)
394 ("The message index is incorrect. Try reopening the mailbox."));
396 else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
397 (ascii_strncasecmp ("BODY[]", pc, 6) == 0)) {
398 pc = imap_next_word (pc);
399 if (imap_get_literal_count (pc, &bytes) < 0) {
400 imap_error ("imap_fetch_message()", buf);
404 bar.msg = _("Fetching message...");
405 mutt_progress_bar (&bar, 0);
406 if (imap_read_literal (msg->fp, idata, bytes, &bar) < 0)
408 /* pick up trailing line */
409 if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
415 /* UW-IMAP will provide a FLAGS update here if the FETCH causes a
416 * change (eg from \Unseen to \Seen).
417 * Uncommitted changes in mutt take precedence. If we decide to
418 * incrementally update flags later, this won't stop us syncing */
419 else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed) {
420 if ((pc = imap_set_flags (idata, h, pc)) == NULL)
426 while (rc == IMAP_CMD_CONTINUE);
428 /* see comment before command start. */
432 if (ferror (msg->fp)) {
433 mutt_perror (cache->path);
437 if (rc != IMAP_CMD_OK)
440 if (!fetched || !imap_code (idata->cmd.buf))
443 /* Update the header information. Previously, we only downloaded a
444 * portion of the headers, those required for the main display.
447 /* It may be that the Status header indicates a message is read, but the
448 * IMAP server doesn't know the message has been \Seen. So we capture
449 * the server's notion of 'read' and if it differs from the message info
450 * picked up in mutt_read_rfc822_header, we mark the message (and context
451 * changed). Another possiblity: ignore Status on IMAP?*/
453 newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
454 mutt_merge_envelopes(h->env, &newenv);
456 /* see above. We want the new status in h->read, so we unset it manually
457 * and let mutt_set_flag set it correctly, updating context. */
458 if (read != h->read) {
460 mutt_set_flag (ctx, h, M_NEW, read);
464 fgets (buf, sizeof (buf), msg->fp);
465 while (!feof (msg->fp)) {
467 fgets (buf, sizeof (buf), msg->fp);
470 h->content->length = ftello (msg->fp) - h->content->offset;
472 /* This needs to be done in case this is a multipart message */
473 #if defined(HAVE_PGP) || defined(HAVE_SMIME)
474 h->security = crypt_query (h->content);
483 safe_fclose (&msg->fp);
485 unlink (cache->path);
486 p_delete(&cache->path);
492 int imap_append_message (CONTEXT * ctx, MESSAGE * msg)
496 char buf[LONG_STRING];
497 char mbox[LONG_STRING];
498 char mailbox[LONG_STRING];
506 idata = (IMAP_DATA *) ctx->data;
508 if (imap_parse_path (ctx->path, &mx))
511 imap_fix_path (idata, mx.mbox, mailbox, sizeof (mailbox));
513 if ((fp = fopen (msg->path, "r")) == NULL) {
514 mutt_perror (msg->path);
518 /* currently we set the \Seen flag on all messages, but probably we
519 * should scan the message Status header for flag info. Since we're
520 * already rereading the whole file for length it isn't any more
521 * expensive (it'd be nice if we had the file size passed in already
522 * by the code that writes the file, but that's a lot of changes.
523 * Ideally we'd have a HEADER structure with flag info here... */
524 for (last = EOF, len = 0; (c = fgetc (fp)) != EOF; last = c) {
525 if (c == '\n' && last != '\r')
532 bar.msg = _("Uploading message...");
534 mutt_progress_bar (&bar, 0);
536 imap_munge_mbox_name (mbox, sizeof (mbox), mailbox);
537 snprintf (buf, sizeof (buf), "APPEND %s (%s%s%s%s%s) {%lu}", mbox,
538 msg->flags.read ? "\\Seen" : "",
539 msg->flags.read && (msg->flags.replied
540 || msg->flags.flagged) ? " " : "",
541 msg->flags.replied ? "\\Answered" : "", msg->flags.replied
542 && msg->flags.flagged ? " " : "",
543 msg->flags.flagged ? "\\Flagged" : "", (unsigned long) len);
545 imap_cmd_start (idata, buf);
548 rc = imap_cmd_step (idata);
549 while (rc == IMAP_CMD_CONTINUE);
551 if (rc != IMAP_CMD_RESPOND) {
554 debug_print (1, ("command failed: %s\n", idata->cmd.buf));
556 pc = vskipspaces(idata->cmd.buf + SEQLEN);
557 pc = imap_next_word (pc);
558 mutt_error ("%s", pc);
564 for (last = EOF, sent = len = 0; (c = fgetc (fp)) != EOF; last = c) {
565 if (c == '\n' && last != '\r')
570 if (len > sizeof (buf) - 3) {
572 flush_buffer (buf, &len, idata->conn);
573 mutt_progress_bar (&bar, sent);
578 flush_buffer (buf, &len, idata->conn);
580 mutt_socket_write (idata->conn, "\r\n");
584 rc = imap_cmd_step (idata);
585 while (rc == IMAP_CMD_CONTINUE);
587 if (!imap_code (idata->cmd.buf)) {
590 debug_print (1, ("command failed: %s\n", idata->cmd.buf));
591 pc = vskipspaces(idata->cmd.buf + SEQLEN);
592 pc = imap_next_word (pc);
593 mutt_error ("%s", pc);
606 /* imap_copy_messages: use server COPY command to copy messages to another
611 * 1: non-fatal error - try fetch/append */
612 int imap_copy_messages (CONTEXT * ctx, HEADER * h, char *dest, int delete)
615 BUFFER cmd, sync_cmd;
617 char mbox[LONG_STRING];
618 char mmbox[LONG_STRING];
622 int err_continue = M_NO;
624 idata = (IMAP_DATA *) ctx->data;
626 if (imap_parse_path (dest, &mx)) {
627 debug_print (1, ("bad destination %s\n", dest));
631 /* check that the save-to folder is in the same account */
632 if (!mutt_account_match (&(CTX_DATA->conn->account), &(mx.account))) {
633 debug_print (3, ("%s not same server as %s\n", dest, ctx->path));
637 if (h && h->attach_del) {
638 debug_print (3, ("Message contains attachments to be deleted\n"));
642 imap_fix_path (idata, mx.mbox, mbox, sizeof (mbox));
644 p_clear(&sync_cmd, 1);
646 mutt_buffer_addstr (&cmd, "UID COPY ");
648 /* Null HEADER* means copy tagged messages */
650 /* if any messages have attachments to delete, fall through to FETCH
651 * and APPEND. TODO: Copy what we can with COPY, fall through for the
653 for (n = 0; n < ctx->msgcount; n++) {
654 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->attach_del) {
655 debug_print (3, ("Message contains attachments to be deleted\n"));
659 if (ctx->hdrs[n]->tagged && ctx->hdrs[n]->active &&
660 ctx->hdrs[n]->changed)
662 rc = imap_sync_message (idata, ctx->hdrs[n], &sync_cmd, &err_continue);
665 debug_print (1, ("could not sync\n"));
671 rc = imap_make_msg_set (idata, &cmd, M_TAG, 0);
673 debug_print (1, ("No messages tagged\n"));
676 mutt_message (_("Copying %d messages to %s..."), rc, mbox);
679 mutt_message (_("Copying message %d to %s..."), h->index + 1, mbox);
680 snprintf (uid, sizeof (uid), "%u", HEADER_DATA (h)->uid);
681 mutt_buffer_addstr (&cmd, uid);
683 if (h->active && h->changed)
685 rc = imap_sync_message (idata, h, &sync_cmd, &err_continue);
688 debug_print (1, ("could not sync\n"));
694 /* let's get it on */
695 mutt_buffer_addstr (&cmd, " ");
696 imap_munge_mbox_name (mmbox, sizeof (mmbox), mbox);
697 mutt_buffer_addstr (&cmd, mmbox);
699 rc = imap_exec (idata, cmd.data, IMAP_CMD_FAIL_OK);
701 /* bail out if command failed for reasons other than nonexistent target */
702 if (ascii_strncasecmp
703 (imap_get_qualifier (idata->cmd.buf), "[TRYCREATE]", 11)) {
704 imap_error ("imap_copy_messages", idata->cmd.buf);
707 debug_print (2, ("server suggests TRYCREATE\n"));
708 snprintf (mmbox, sizeof (mmbox), _("Create %s?"), mbox);
709 if (option (OPTCONFIRMCREATE) && mutt_yesorno (mmbox, 1) < 1) {
713 if (imap_create_mailbox (idata, mbox) < 0)
717 rc = imap_exec (idata, cmd.data, 0);
720 imap_error ("imap_copy_messages", idata->cmd.buf);
727 for (n = 0; n < ctx->msgcount; n++) {
728 if (ctx->hdrs[n]->tagged) {
729 mutt_set_flag (ctx, ctx->hdrs[n], M_DELETE, 1);
730 mutt_set_flag (ctx, ctx->hdrs[n], M_APPENDED, 1);
731 if (option (OPTDELETEUNTAG))
732 mutt_set_flag (ctx, ctx->hdrs[n], M_TAG, 0);
736 mutt_set_flag (ctx, h, M_DELETE, 1);
737 mutt_set_flag (ctx, h, M_APPENDED, 1);
738 if (option (OPTDELETEUNTAG))
739 mutt_set_flag (ctx, h, M_TAG, 0);
746 p_delete(&sync_cmd.data);
754 p_delete(&sync_cmd.data);
759 /* imap_add_keywords: concatenate custom IMAP tags to list, if they
760 * appear in the folder flags list. Why wouldn't they? */
761 void imap_add_keywords (char *s, HEADER * h, string_list_t * mailbox_flags,
764 string_list_t *keywords;
766 if (!mailbox_flags || !HEADER_DATA (h) || !HEADER_DATA (h)->keywords)
769 keywords = HEADER_DATA (h)->keywords->next;
772 if (msg_has_flag (mailbox_flags, keywords->data)) {
773 m_strcat(s, slen, keywords->data);
774 m_strcat(s, slen, " ");
776 keywords = keywords->next;
780 /* imap_free_header_data: free IMAP_HEADER structure */
781 void imap_free_header_data (void **data)
783 /* this should be safe even if the list wasn't used */
784 string_list_wipe(&(((IMAP_HEADER_DATA *) * data)->keywords));
789 /* imap_set_flags: fill out the message header according to the flags from
790 * the server. Expects a flags line of the form "FLAGS (flag flag ...)" */
791 char *imap_set_flags (IMAP_DATA * idata, HEADER * h, char *s)
793 CONTEXT *ctx = idata->ctx;
795 unsigned char readonly;
798 newh.data = p_new(IMAP_HEADER_DATA, 1);
800 debug_print (2, ("parsing FLAGS\n"));
801 if ((s = msg_parse_flags (&newh, s)) == NULL) {
802 p_delete(&newh.data);
806 /* YAUH (yet another ugly hack): temporarily set context to
807 * read-write even if it's read-only, so *server* updates of
808 * flags can be processed by mutt_set_flag. ctx->changed must
809 * be restored afterwards */
810 readonly = ctx->readonly;
813 mutt_set_flag (ctx, h, M_NEW, !(newh.read || newh.old));
814 mutt_set_flag (ctx, h, M_OLD, newh.old);
815 mutt_set_flag (ctx, h, M_READ, newh.read);
816 mutt_set_flag (ctx, h, M_DELETE, newh.deleted);
817 mutt_set_flag (ctx, h, M_FLAG, newh.flagged);
818 mutt_set_flag (ctx, h, M_REPLIED, newh.replied);
820 /* this message is now definitively *not* changed (mutt_set_flag
821 * marks things changed as a side-effect) */
823 ctx->changed &= ~readonly;
824 ctx->readonly = readonly;
826 string_list_wipe(&(HEADER_DATA (h)->keywords));
827 HEADER_DATA (h)->keywords = newh.data->keywords;
828 p_delete(&newh.data);
834 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
835 * Expects string beginning with * n FETCH.
838 * -1 if the string is not a fetch response
839 * -2 if the string is a corrupt fetch response */
840 static int msg_fetch_header (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
845 int rc = -1; /* default now is that string isn't FETCH response */
847 idata = (IMAP_DATA *) ctx->data;
852 /* skip to message number */
853 buf = imap_next_word (buf);
857 buf = imap_next_word (buf);
858 if (ascii_strncasecmp ("FETCH", buf, 5))
861 rc = -2; /* we've got a FETCH response, for better or worse */
862 if (!(buf = strchr (buf, '(')))
866 /* FIXME: current implementation - call msg_parse_fetch - if it returns -2,
867 * read header lines and call it again. Silly. */
868 if (msg_parse_fetch (h, buf) != -2)
871 if (imap_get_literal_count (buf, &bytes) == 0) {
872 imap_read_literal (fp, idata, bytes, NULL);
874 /* we may have other fields of the FETCH _after_ the literal
875 * (eg Domino puts FLAGS here). Nothing wrong with that, either.
876 * This all has to go - we should accept literals and nonliterals
877 * interchangeably at any time. */
878 if (imap_cmd_step (idata) != IMAP_CMD_CONTINUE)
881 if (msg_parse_fetch (h, idata->cmd.buf) == -1)
885 rc = 0; /* success */
887 /* subtract headers from message size - unfortunately only the subset of
888 * headers we've requested. */
889 h->content_length -= bytes;
895 static size_t imap_hcache_keylen (const char *fn)
900 /* msg_fetch_header: import IMAP FETCH response into an IMAP_HEADER.
901 * Expects string beginning with * n FETCH.
904 * -1 if the string is not a fetch response
905 * -2 if the string is a corrupt fetch response */
906 static int msg_fetch_header_fetch (CONTEXT * ctx, IMAP_HEADER * h, char *buf,
910 int rc = -1; /* default now is that string isn't FETCH response */
912 idata = (IMAP_DATA *) ctx->data;
917 /* skip to message number */
918 buf = imap_next_word (buf);
922 buf = imap_next_word (buf);
923 if (ascii_strncasecmp ("FETCH", buf, 5))
926 rc = -2; /* we've got a FETCH response, for better or worse */
927 if (!(buf = strchr (buf, '(')))
931 if (msg_parse_fetch (h, buf) < 0) {
935 if (!(buf = strchr (buf, ')')))
941 #endif /* USE_HCACHE */
944 /* msg_has_flag: do a caseless comparison of the flag against a flag list,
945 * return 1 if found or flag list has '\*', 0 otherwise */
946 static int msg_has_flag (string_list_t * flag_list, const char *flag)
951 flag_list = flag_list->next;
953 if (!ascii_strncasecmp (flag_list->data, flag, m_strlen(flag_list->data)))
956 flag_list = flag_list->next;
962 /* msg_parse_fetch: handle headers returned from header fetch */
963 static int msg_parse_fetch (IMAP_HEADER * h, char *s)
965 char tmp[SHORT_STRING];
974 if (ascii_strncasecmp ("FLAGS", s, 5) == 0) {
975 if ((s = msg_parse_flags (h, s)) == NULL)
978 else if (ascii_strncasecmp ("UID", s, 3) == 0) {
979 s = vskipspaces(s + 3);
980 h->data->uid = (unsigned int) atoi (s);
982 s = imap_next_word (s);
984 else if (ascii_strncasecmp ("INTERNALDATE", s, 12) == 0) {
985 s = vskipspaces(s + 12);
987 debug_print (1, ("bogus INTERNALDATE entry: %s\n", s));
992 while (*s && *s != '\"')
996 s++; /* skip past the trailing " */
998 h->received = imap_parse_date (tmp);
1000 else if (ascii_strncasecmp ("RFC822.SIZE", s, 11) == 0) {
1001 s = vskipspaces(s + 11);
1003 while (isdigit ((unsigned char) *s))
1006 h->content_length = atoi (tmp);
1008 else if (!ascii_strncasecmp ("BODY", s, 4) ||
1009 !ascii_strncasecmp ("RFC822.HEADER", s, 13)) {
1010 /* handle above, in msg_fetch_header */
1014 s++; /* end of request */
1016 /* got something i don't understand */
1017 imap_error ("msg_parse_fetch", s);
1025 /* msg_parse_flags: read a FLAGS token into an IMAP_HEADER */
1026 static char *msg_parse_flags (IMAP_HEADER * h, char *s)
1030 /* sanity-check string */
1031 if (ascii_strncasecmp ("FLAGS", s, 5) != 0) {
1032 debug_print (1, ("not a FLAGS response: %s\n", s));
1035 s = vskipspaces(s + 5);
1037 debug_print (1, ("bogus FLAGS response: %s\n", s));
1043 while (*s && *s != ')') {
1044 if (ascii_strncasecmp ("\\deleted", s, 8) == 0) {
1048 else if (ascii_strncasecmp ("\\flagged", s, 8) == 0) {
1052 else if (ascii_strncasecmp ("\\answered", s, 9) == 0) {
1056 else if (ascii_strncasecmp ("\\seen", s, 5) == 0) {
1060 else if (ascii_strncasecmp ("\\recent", s, 5) == 0) {
1065 /* store custom flags as well */
1067 char *flag_word = s;
1069 if (!h->data->keywords)
1070 h->data->keywords = string_item_new();
1072 while (*s && !ISSPACE (*s) && *s != ')')
1076 mutt_add_list (h->data->keywords, flag_word);
1082 /* wrap up, or note bad flags response */
1084 /* if a message is neither seen nor recent, it is OLD. */
1085 if (option (OPTMARKOLD) && !recent && !(h->read))
1090 debug_print (1, ("Unterminated FLAGS response: %s\n", s));
1097 static void flush_buffer (char *buf, size_t * len, CONNECTION * conn)
1100 mutt_socket_write (conn, buf);