2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2002 Michael R. Elkins <me@mutt.org>
4 * Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
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 #include <lib-lib/lib-lib.h>
13 #include <lib-mime/mime.h>
15 #include <lib-ui/enter.h>
16 #include <lib-ui/menu.h>
17 #include <lib-ui/curses.h>
18 #include <lib-mx/mx.h>
20 #include <lib-sys/unix.h>
28 #include <imap/imap.h>
30 static struct mapping_t PostponeHelp[] = {
31 {N_("Exit"), OP_EXIT},
32 {N_("Del"), OP_DELETE},
33 {N_("Undel"), OP_UNDELETE},
34 {N_("Help"), OP_HELP},
40 static short PostCount = 0;
41 static CONTEXT *PostContext = NULL;
42 static short UpdateNumPostponed = 0;
44 /* Return the number of postponed messages.
45 * if force is 0, use a cached value if it is costly to get a fresh
46 * count (IMAP) - else check.
48 int mutt_num_postponed (int force)
53 static time_t LastModify = 0;
54 static char *OldPostponed = NULL;
56 if (UpdateNumPostponed) {
57 UpdateNumPostponed = 0;
61 if (Postponed != OldPostponed) {
62 OldPostponed = Postponed;
70 /* LastModify is useless for IMAP */
71 if (imap_is_magic (Postponed, NULL) == M_IMAP) {
75 newpc = imap_mailbox_check (Postponed, 0);
83 if (stat (Postponed, &st) == -1) {
89 if (S_ISDIR (st.st_mode)) {
90 /* if we have a maildir mailbox, we need to stat the "new" dir */
92 char buf[_POSIX_PATH_MAX];
94 snprintf (buf, sizeof (buf), "%s/new", Postponed);
95 if (access (buf, F_OK) == 0 && stat (buf, &st) == -1) {
102 if (LastModify < st.st_mtime) {
104 int optnews = option (OPTNEWS);
106 LastModify = st.st_mtime;
108 if (access (Postponed, R_OK | F_OK) != 0)
109 return (PostCount = 0);
112 unset_option (OPTNEWS);
114 if (mx_open_mailbox (Postponed, M_NOSORT | M_QUIET, &ctx) == NULL)
117 PostCount = ctx.msgcount;
118 mx_fastclose_mailbox (&ctx);
121 set_option (OPTNEWS);
128 void mutt_update_num_postponed (void)
130 UpdateNumPostponed = 1;
133 static void post_entry (char *s, ssize_t slen, MUTTMENU * menu, int entry)
135 CONTEXT *ctx = (CONTEXT *)menu->data;
136 _mutt_make_string(s, slen, NONULL (HdrFmt), ctx, ctx->hdrs[entry], 0);
139 static HEADER *select_msg (void)
142 int i, done = 0, r = -1;
143 char helpstr[STRING];
146 menu = mutt_new_menu ();
147 menu->make_entry = post_entry;
148 menu->menu = MENU_POST;
149 menu->max = PostContext->msgcount;
150 menu->title = _("Postponed Messages");
151 menu->data = PostContext;
153 mutt_compile_help (helpstr, sizeof (helpstr), MENU_POST, PostponeHelp);
155 /* The postponed mailbox is setup to have sorting disabled, but the global
156 * Sort variable may indicate something different. Sorting has to be
157 * disabled while the postpone menu is being displayed. */
162 switch (i = mutt_menuLoop (menu)) {
165 mutt_set_flag (PostContext, PostContext->hdrs[menu->current], M_DELETE,
166 (i == OP_DELETE) ? 1 : 0);
167 PostCount = PostContext->msgcount - PostContext->deleted;
168 if (option (OPTRESOLVE) && menu->current < menu->max - 1) {
169 menu->oldcurrent = menu->current;
171 if (menu->current >= menu->top + menu->pagelen) {
172 menu->top = menu->current;
173 menu->redraw = REDRAW_INDEX | REDRAW_STATUS;
176 menu->redraw |= REDRAW_MOTION_RESYNCH;
179 menu->redraw = REDRAW_CURRENT;
182 case OP_GENERIC_SELECT_ENTRY:
194 mutt_menuDestroy (&menu);
195 return (r > -1 ? PostContext->hdrs[r] : NULL);
199 * ctx Context info, used when recalling a message to which
201 * hdr envelope/attachment info for recalled message
202 * cur if message was a reply, `cur' is set to the message which
203 * `hdr' is in reply to
204 * fcc fcc for the recalled message
205 * fcclen max length of fcc
208 * -1 error/no messages
210 * SENDREPLY recalled message is a reply
212 int mutt_get_postponed (CONTEXT * ctx, HEADER * hdr, HEADER ** cur, char *fcc,
216 int code = SENDPOSTPONED;
218 string_list_t *last = NULL;
226 if ((PostContext = mx_open_mailbox (Postponed, M_NOSORT, NULL)) == NULL) {
228 mutt_error _("No postponed messages.");
233 if (!PostContext->msgcount) {
235 mx_close_mailbox (PostContext, NULL);
236 p_delete(&PostContext);
237 mutt_error _("No postponed messages.");
242 if (PostContext->msgcount == 1) {
243 /* only one message, so just use that one. */
244 h = PostContext->hdrs[0];
246 else if ((h = select_msg ()) == NULL) {
247 mx_close_mailbox (PostContext, NULL);
248 p_delete(&PostContext);
252 if (mutt_prepare_template (NULL, PostContext, hdr, h, 0) < 0) {
253 mx_fastclose_mailbox (PostContext);
254 p_delete(&PostContext);
258 /* finished with this message, so delete it. */
259 mutt_set_flag (PostContext, h, M_DELETE, 1);
261 /* and consider it saved, so that it won't be moved to the trash folder */
262 mutt_set_flag (PostContext, h, M_APPENDED, 1);
264 /* update the count for the status display */
265 PostCount = PostContext->msgcount - PostContext->deleted;
267 /* avoid the "purge deleted messages" prompt */
268 opt_delete = quadoption (OPT_DELETE);
269 set_quadoption (OPT_DELETE, M_YES);
270 mx_close_mailbox (PostContext, NULL);
271 set_quadoption (OPT_DELETE, opt_delete);
273 p_delete(&PostContext);
275 for (tmp = hdr->env->userhdrs; tmp;) {
276 if (ascii_strncasecmp ("X-Mutt-References:", tmp->data, 18) == 0) {
278 /* if a mailbox is currently open, look to see if the orignal message
279 the user attempted to reply to is in this mailbox */
280 p = vskipspaces(tmp->data + 18);
282 ctx->id_hash = mutt_make_id_hash (ctx);
283 *cur = hash_find (ctx->id_hash, p);
286 /* Remove the X-Mutt-References: header field. */
289 last->next = tmp->next;
291 hdr->env->userhdrs = tmp->next;
293 string_list_wipe(&tmp);
298 else if (ascii_strncasecmp ("X-Mutt-Fcc:", tmp->data, 11) == 0) {
299 p = vskipspaces(tmp->data + 11);
300 m_strcpy(fcc, fcclen, p);
301 mutt_pretty_mailbox (fcc);
303 /* remove the X-Mutt-Fcc: header field */
306 last->next = tmp->next;
308 hdr->env->userhdrs = tmp->next;
310 string_list_wipe(&tmp);
313 else if (m_strncmp("X-Mutt-PGP:", tmp->data, 11) == 0) {
314 hdr->security = mutt_parse_crypt_hdr (strchr (tmp->data, ':') + 1, 1);
315 hdr->security |= APPLICATION_PGP;
317 /* remove the pgp field */
320 last->next = tmp->next;
322 hdr->env->userhdrs = tmp->next;
324 string_list_wipe(&tmp);
327 else if (m_strncmp("X-Mutt-SMIME:", tmp->data, 13) == 0) {
328 hdr->security = mutt_parse_crypt_hdr (strchr (tmp->data, ':') + 1, 1);
329 hdr->security |= APPLICATION_SMIME;
331 /* remove the smime field */
334 last->next = tmp->next;
336 hdr->env->userhdrs = tmp->next;
338 string_list_wipe(&tmp);
341 else if (m_strncmp("X-Mutt-Mix:", tmp->data, 11) == 0) {
344 string_list_wipe(&hdr->chain);
346 t = strtok (tmp->data + 11, " \t\n");
348 hdr->chain = mutt_add_list (hdr->chain, t);
349 t = strtok (NULL, " \t\n");
354 last->next = tmp->next;
356 hdr->env->userhdrs = tmp->next;
358 string_list_wipe(&tmp);
371 int mutt_parse_crypt_hdr (char *p, int set_signas)
374 char pgp_sign_as[LONG_STRING] = "\0", *q;
375 char smime_cryptalg[LONG_STRING] = "\0";
377 for (p = vskipspaces(p); *p; p++) {
389 if (*(p + 1) == '<') {
391 *p && *p != '>' && q < pgp_sign_as + sizeof (pgp_sign_as) - 1;
395 mutt_error _("Illegal PGP header");
404 /* This used to be the micalg parameter.
406 * It's no longer needed, so we just skip the parameter in order
407 * to be able to recall old messages.
411 if (*(p + 1) == '<') {
412 for (p += 2; *p && *p != '>'; p++);
414 mutt_error _("Illegal PGP header");
427 if (*(p + 1) == '<') {
430 && q < smime_cryptalg + sizeof (smime_cryptalg) - 1;
434 mutt_error _("Illegal S/MIME header");
449 mutt_error _("Illegal PGP header");
455 /* the cryptalg field must not be empty */
457 m_strreplace(&SmimeCryptAlg, smime_cryptalg);
459 if (set_signas || *pgp_sign_as)
460 m_strreplace(&PgpSignAs, pgp_sign_as);
467 int mutt_prepare_template (FILE * fp, CONTEXT * ctx, HEADER * newhdr,
468 HEADER * hdr, short weed)
471 char file[_POSIX_PATH_MAX];
480 if (!fp && (msg = mx_open_message (ctx, hdr->msgno)) == NULL)
488 /* parse the message header and MIME structure */
490 fseeko (fp, hdr->offset, 0);
491 newhdr->offset = hdr->offset;
492 newhdr->env = mutt_read_rfc822_header (fp, newhdr, 1, weed);
493 newhdr->content->length = hdr->content->length;
494 mutt_parse_part (fp, newhdr->content);
496 p_delete(&newhdr->env->message_id);
497 p_delete(&newhdr->env->mail_followup_to); /* really? */
499 /* decrypt pgp/mime encoded messages */
501 if ((APPLICATION_PGP | APPLICATION_SMIME) & hdr->security
502 && mutt_is_multipart_encrypted (newhdr->content))
504 int ccap = (APPLICATION_PGP | APPLICATION_SMIME) & hdr->security;
505 newhdr->security |= ENCRYPT | ccap;
506 mutt_message _("Decrypting message...");
508 if (((ccap & APPLICATION_PGP)
509 && crypt_pgp_decrypt_mime (fp, &bfp, newhdr->content, &b) == -1)
510 || ((ccap & APPLICATION_SMIME)
511 && crypt_smime_decrypt_mime (fp, &bfp, newhdr->content, &b) == -1)
514 mx_close_message (&msg);
515 envelope_delete(&newhdr->env);
516 body_list_wipe(&newhdr->content);
517 mutt_error _("Decryption failed.");
522 body_list_wipe(&newhdr->content);
529 * remove a potential multipart/signed layer - useful when
533 if (mutt_is_multipart_signed (newhdr->content)) {
534 newhdr->security |= SIGN;
535 if (ascii_strcasecmp(parameter_getval(newhdr->content->parameter, "protocol"),
536 "application/pgp-signature") == 0)
537 newhdr->security |= APPLICATION_PGP;
539 newhdr->security |= APPLICATION_SMIME;
541 /* destroy the signature */
542 body_list_wipe(&newhdr->content->parts->next);
543 newhdr->content = mutt_remove_multipart (newhdr->content);
548 * We don't need no primary multipart.
549 * Note: We _do_ preserve messages!
551 * XXX - we don't handle multipart/alternative in any
552 * smart way when sending messages. However, one may
553 * consider this a feature.
557 if (newhdr->content->type == TYPEMULTIPART)
558 newhdr->content = mutt_remove_multipart (newhdr->content);
562 /* create temporary files for all attachments */
563 for (b = newhdr->content; b; b = b->next) {
565 /* what follows is roughly a receive-mode variant of
566 * mutt_get_tmp_attachment () from muttlib.c
571 m_strcpy(file, sizeof(file), b->filename);
572 b->d_filename = m_strdup(b->filename);
575 /* avoid Content-Disposition: header with temporary filename */
579 /* set up state flags */
583 if (b->type == TYPETEXT) {
584 b->noconv = !ascii_strcasecmp("yes", parameter_getval(b->parameter,
587 s.flags |= M_CHARCONV;
589 parameter_delval(&b->parameter, "x-mutt-noconv");
592 s.fpout = m_tempfile(file, sizeof(file), NONULL(mod_core.tmpdir), file);
596 if (mutt_is_application_pgp (b) & (ENCRYPT | SIGN)) {
598 mutt_body_handler (b, &s);
600 newhdr->security |= mutt_is_application_pgp (newhdr->content);
603 m_strreplace(&b->subtype, "plain");
604 parameter_delval(&b->parameter, "x-action");
607 mutt_decode_attachment (b, &s);
609 if (m_fclose(&s.fpout) != 0)
612 m_strreplace(&b->filename, file);
615 mutt_stamp_attachment (b);
617 body_list_wipe(&b->parts);
619 b->hdr->content = NULL; /* avoid dangling pointer */
622 /* Fix encryption flags. */
624 /* No inline if multipart. */
625 if ((newhdr->security & INLINE) && newhdr->content->next)
626 newhdr->security &= ~INLINE;
628 /* Theoretically, both could be set. Take the one the user wants to set by default. */
629 if ((newhdr->security & APPLICATION_PGP)
630 && (newhdr->security & APPLICATION_SMIME)) {
631 if (mod_crypt.smime_is_default)
632 newhdr->security &= ~APPLICATION_PGP;
634 newhdr->security &= ~APPLICATION_SMIME;
645 mx_close_message (&msg);
648 envelope_delete(&newhdr->env);
649 body_list_wipe(&newhdr->content);