2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2000 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.
15 #include <lib-lib/mem.h>
16 #include <lib-lib/ascii.h>
17 #include <lib-lib/str.h>
18 #include <lib-lib/file.h>
19 #include <lib-lib/macros.h>
23 #include "recvattach.h"
24 #include "mutt_menu.h"
25 #include "mutt_curses.h"
32 #include "mutt_crypt.h"
34 #include "lib/debug.h"
45 int mutt_get_tmp_attachment (BODY * a)
48 char tempfile[_POSIX_PATH_MAX];
49 rfc1524_entry *entry = rfc1524_new_entry ();
50 FILE *fpin = NULL, *fpout = NULL;
56 snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
57 rfc1524_mailcap_lookup (a, type, entry, 0);
58 rfc1524_expand_filename (entry->nametemplate, a->filename,
59 tempfile, sizeof (tempfile));
61 rfc1524_free_entry (&entry);
63 if (stat (a->filename, &st) == -1)
66 if ((fpin = fopen (a->filename, "r")) && (fpout = safe_fopen (tempfile, "w"))) { /* __FOPEN_CHECKED__ */
67 mutt_copy_stream (fpin, fpout);
68 str_replace (&a->filename, tempfile);
71 if (a->stamp >= st.st_mtime)
72 mutt_stamp_attachment (a);
75 mutt_perror(fpin ? tempfile : a->filename);
82 return a->unlink ? 0 : -1;
86 /* return 1 if require full screen redraw, 0 otherwise */
87 int mutt_compose_attachment (BODY * a)
91 char newfile[_POSIX_PATH_MAX] = "";
92 rfc1524_entry *entry = rfc1524_new_entry ();
93 short unlink_newfile = 0;
96 snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
97 if (rfc1524_mailcap_lookup (a, type, entry, M_COMPOSE)) {
98 if (entry->composecommand || entry->composetypecommand) {
100 if (entry->composetypecommand)
101 strfcpy (command, entry->composetypecommand, sizeof (command));
103 strfcpy (command, entry->composecommand, sizeof (command));
104 if (rfc1524_expand_filename (entry->nametemplate,
105 a->filename, newfile, sizeof (newfile))) {
106 debug_print (1, ("oldfile: %s\t newfile: %s\n", a->filename, newfile));
107 if (safe_symlink (a->filename, newfile) == -1) {
108 if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES)
116 strfcpy (newfile, a->filename, sizeof (newfile));
118 if (rfc1524_expand_command (a, newfile, type,
119 command, sizeof (command))) {
120 /* For now, editing requires a file, no piping */
121 mutt_error _("Mailcap compose entry requires %%s");
127 if ((r = mutt_system (command)) == -1)
128 mutt_error (_("Error running \"%s\"!"), command);
130 if (r != -1 && entry->composetypecommand) {
133 char tempfile[_POSIX_PATH_MAX];
135 if ((fp = safe_fopen (a->filename, "r")) == NULL) {
136 mutt_perror (_("Failure to open file to parse headers."));
141 b = mutt_read_mime_header (fp, 0);
144 mutt_free_parameter (&a->parameter);
145 a->parameter = b->parameter;
148 if (b->description) {
149 p_delete(&a->description);
150 a->description = b->description;
151 b->description = NULL;
154 p_delete(&a->form_name);
155 a->form_name = b->form_name;
159 /* Remove headers by copying out data to another file, then
160 * copying the file back */
161 fseeko (fp, b->offset, 0);
162 mutt_mktemp (tempfile);
163 if ((tfp = safe_fopen (tempfile, "w")) == NULL) {
164 mutt_perror (_("Failure to open file to strip headers."));
168 mutt_copy_stream (fp, tfp);
171 mutt_unlink (a->filename);
172 if (mutt_rename_file (tempfile, a->filename) != 0) {
173 mutt_perror (_("Failure to rename file."));
185 rfc1524_free_entry (&entry);
186 mutt_message (_("No mailcap compose entry for %s, creating empty file."),
198 rfc1524_free_entry (&entry);
203 * Currently, this only works for send mode, as it assumes that the
204 * BODY->filename actually contains the information. I'm not sure
205 * we want to deal with editing attachments we've already received,
206 * so this should be ok.
208 * Returns 1 if editor found, 0 if not (useful to tell calling menu to
211 int mutt_edit_attachment (BODY * a)
214 char command[STRING];
215 char newfile[_POSIX_PATH_MAX] = "";
216 rfc1524_entry *entry = rfc1524_new_entry ();
217 short unlink_newfile = 0;
220 snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
221 if (rfc1524_mailcap_lookup (a, type, entry, M_EDIT)) {
222 if (entry->editcommand) {
224 strfcpy (command, entry->editcommand, sizeof (command));
225 if (rfc1524_expand_filename (entry->nametemplate,
226 a->filename, newfile, sizeof (newfile))) {
227 debug_print (1, ("oldfile: %s\t newfile: %s\n", a->filename, newfile));
228 if (safe_symlink (a->filename, newfile) == -1) {
229 if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES)
237 strfcpy (newfile, a->filename, sizeof (newfile));
239 if (rfc1524_expand_command (a, newfile, type,
240 command, sizeof (command))) {
241 /* For now, editing requires a file, no piping */
242 mutt_error _("Mailcap Edit entry requires %%s");
247 if (mutt_system (command) == -1) {
248 mutt_error (_("Error running \"%s\"!"), command);
254 else if (a->type == TYPETEXT) {
255 /* On text, default to editor */
256 mutt_edit_file (NONULL (Editor), a->filename);
259 rfc1524_free_entry (&entry);
260 mutt_error (_("No mailcap edit entry for %s"), type);
271 rfc1524_free_entry (&entry);
276 /* for compatibility with metamail */
277 static int is_mmnoask (const char *buf)
279 char tmp[LONG_STRING], *p, *q;
282 if ((p = getenv ("MM_NOASK")) != NULL && *p) {
283 if (m_strcmp(p, "1") == 0)
286 strfcpy (tmp, p, sizeof (tmp));
289 while ((p = strtok (p, ",")) != NULL) {
290 if ((q = strrchr (p, '/')) != NULL) {
291 if (*(q + 1) == '*') {
292 if (ascii_strncasecmp (buf, p, q - p) == 0)
296 if (ascii_strcasecmp (buf, p) == 0)
302 if (buf[lng] == '/' && str_ncasecmp (buf, p, lng) == 0)
313 void mutt_check_lookup_list (BODY * b, char *type, int len)
315 LIST *t = MimeLookupList;
318 for (; t; t = t->next) {
319 i = m_strlen(t->data) - 1;
320 if ((i > 0 && t->data[i - 1] == '/' && t->data[i] == '*' &&
321 ascii_strncasecmp (type, t->data, i) == 0) ||
322 ascii_strcasecmp (type, t->data) == 0) {
327 if ((n = mutt_lookup_mime_type (&tmp, b->filename)) != TYPEOTHER) {
328 snprintf (type, len, "%s/%s",
329 n == TYPEAUDIO ? "audio" :
330 n == TYPEAPPLICATION ? "application" :
331 n == TYPEIMAGE ? "image" :
332 n == TYPEMESSAGE ? "message" :
333 n == TYPEMODEL ? "model" :
334 n == TYPEMULTIPART ? "multipart" :
335 n == TYPETEXT ? "text" :
336 n == TYPEVIDEO ? "video" : "other", tmp.subtype);
337 debug_print (1, ("\"%s\" -> %s\n", b->filename, type));
340 p_delete(&tmp.subtype);
342 p_delete(&tmp.xtype);
347 int mutt_is_autoview (BODY * b, const char *type)
349 LIST *t = AutoViewList;
350 char _type[SHORT_STRING];
354 snprintf (_type, sizeof (_type), "%s/%s", TYPE (b), b->subtype);
356 m_strcpy(_type, sizeof(_type), type);
358 mutt_check_lookup_list (b, _type, sizeof (_type));
361 if (mutt_needs_mailcap (b)) {
362 if (option (OPTIMPLICITAUTOVIEW))
365 if (is_mmnoask (type))
369 for (; t; t = t->next) {
370 i = m_strlen(t->data) - 1;
371 if ((i > 0 && t->data[i - 1] == '/' && t->data[i] == '*' &&
372 ascii_strncasecmp (type, t->data, i) == 0) ||
373 ascii_strcasecmp (type, t->data) == 0)
380 /* returns -1 on error, 0 or the return code from mutt_do_pager() on success */
381 int mutt_view_attachment (FILE * fp, BODY * a, int flag, HEADER * hdr,
382 ATTACHPTR ** idx, short idxlen)
384 char tempfile[_POSIX_PATH_MAX] = "";
385 char pagerfile[_POSIX_PATH_MAX] = "";
391 char command[STRING];
392 char descrip[STRING];
394 rfc1524_entry *entry = NULL;
396 int unlink_tempfile = 0;
398 is_message = mutt_is_message_type (a->type, a->subtype);
399 if (WithCrypto && is_message && a->hdr && (a->hdr->security & ENCRYPT) &&
400 !crypt_valid_passphrase (a->hdr->security))
402 use_mailcap = (flag == M_MAILCAP ||
403 (flag == M_REGULAR && mutt_needs_mailcap (a)));
404 snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
407 entry = rfc1524_new_entry ();
408 if (!rfc1524_mailcap_lookup (a, type, entry, 0)) {
409 if (flag == M_REGULAR) {
410 /* fallback to view as text */
411 rfc1524_free_entry (&entry);
412 mutt_error _("No matching mailcap entry found. Viewing as text.");
423 if (!entry->command) {
424 mutt_error _("MIME type not defined. Cannot view attachment.");
428 strfcpy (command, entry->command, sizeof (command));
431 fname = m_strdup(a->filename);
432 mutt_sanitize_filename (fname, 1);
437 if (rfc1524_expand_filename (entry->nametemplate, fname,
438 tempfile, sizeof (tempfile))) {
439 if (fp == NULL && m_strcmp(tempfile, a->filename)) {
440 /* send case: the file is already there */
441 if (safe_symlink (a->filename, tempfile) == -1) {
442 if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES)
444 strfcpy (tempfile, a->filename, sizeof (tempfile));
452 else if (fp == NULL) /* send case */
453 strfcpy (tempfile, a->filename, sizeof (tempfile));
456 /* recv case: we need to save the attachment to a file */
458 if (mutt_save_attachment (fp, a, tempfile, 0, NULL) == -1)
462 use_pipe = rfc1524_expand_command (a, tempfile, type,
463 command, sizeof (command));
464 use_pager = entry->copiousoutput;
468 if (fp && !use_mailcap && a->filename) {
470 strfcpy (pagerfile, a->filename, sizeof (pagerfile));
471 mutt_adv_mktemp (NULL, pagerfile, sizeof (pagerfile));
474 mutt_mktemp (pagerfile);
479 int tempfd = -1, pagerfd = -1;
484 if (use_pager || use_pipe) {
486 && ((pagerfd = safe_open (pagerfile, O_CREAT | O_EXCL | O_WRONLY))
488 mutt_perror ("open");
491 if (use_pipe && ((tempfd = open (tempfile, 0)) == -1)) {
494 mutt_perror ("open");
498 if ((thepid = mutt_create_filter_fd (command, NULL, NULL, NULL,
499 use_pipe ? tempfd : -1,
500 use_pager ? pagerfd : -1,
508 mutt_error _("Cannot create filter");
515 snprintf (descrip, sizeof (descrip),
516 "---Command: %-20.20s Description: %s",
517 command, a->description);
519 snprintf (descrip, sizeof (descrip),
520 "---Command: %-30.30s Attachment: %s", command, type);
523 if ((mutt_wait_filter (thepid) || (entry->needsterminal &&
524 option (OPTWAITKEY))) && !use_pager)
525 mutt_any_key_to_continue (NULL);
532 /* interactive command */
533 if (mutt_system (command) ||
534 (entry->needsterminal && option (OPTWAITKEY)))
535 mutt_any_key_to_continue (NULL);
539 /* Don't use mailcap; the attachment is viewed in the pager */
541 if (flag == M_AS_TEXT) {
542 /* just let me see the raw data */
543 if (mutt_save_attachment (fp, a, pagerfile, 0, NULL))
547 /* Use built-in handler */
548 set_option (OPTVIEWATTACH); /* disable the "use 'v' to view this part"
549 * message in case of error */
550 if (mutt_decode_save_attachment (fp, a, pagerfile, M_DISPLAY, 0)) {
551 unset_option (OPTVIEWATTACH);
554 unset_option (OPTVIEWATTACH);
558 strfcpy (descrip, a->description, sizeof (descrip));
559 else if (a->filename)
560 snprintf (descrip, sizeof (descrip), "---Attachment: %s : %s",
563 snprintf (descrip, sizeof (descrip), "---Attachment: %s", type);
566 /* We only reach this point if there have been no errors */
576 info.idxlen = idxlen;
579 rc = mutt_do_pager(descrip, pagerfile,
580 M_PAGER_ATTACHMENT | (is_message ? M_PAGER_MESSAGE : 0),
590 rfc1524_free_entry (&entry);
591 if (fp && tempfile[0])
592 mutt_unlink (tempfile);
593 else if (unlink_tempfile)
597 mutt_unlink (pagerfile);
602 /* returns 1 on success, 0 on error */
603 int mutt_pipe_attachment (FILE * fp, BODY * b, const char *path,
610 if (outfile && *outfile)
611 if ((out = safe_open (outfile, O_CREAT | O_EXCL | O_WRONLY)) < 0) {
612 mutt_perror ("open");
623 if (outfile && *outfile)
624 thepid = mutt_create_filter_fd(path, &s.fpout, NULL, NULL, -1, out, -1);
626 thepid = mutt_create_filter(path, &s.fpout, NULL, NULL);
629 mutt_perror (_("Can't create filter"));
635 mutt_decode_attachment (b, &s);
636 safe_fclose (&s.fpout);
643 if ((ifp = fopen (b->filename, "r")) == NULL) {
644 mutt_perror ("fopen");
645 if (outfile && *outfile) {
652 if (outfile && *outfile)
653 thepid = mutt_create_filter_fd (path, &ofp, NULL, NULL, -1, out, -1);
655 thepid = mutt_create_filter (path, &ofp, NULL, NULL);
658 mutt_perror (_("Can't create filter"));
664 mutt_copy_stream (ifp, ofp);
673 if (outfile && *outfile)
677 * check for error exit from child process
679 if (mutt_wait_filter (thepid) != 0)
682 if (rv == 0 || option (OPTWAITKEY))
683 mutt_any_key_to_continue (NULL);
687 static FILE *mutt_save_attachment_open (char *path, int flags)
689 if (flags == M_SAVE_APPEND)
690 return fopen (path, "a");
691 /* be sure not to change the following fopen to safe_fopen
692 * as safe_fopen returns w/ an error if path exists
694 if (flags == M_SAVE_OVERWRITE)
695 return fopen (path, "w"); /* __FOPEN_CHECKED__ */
697 return safe_fopen (path, "w");
700 /* returns 0 on success, -1 on error */
701 int mutt_save_attachment (FILE * fp, BODY * m, char *path, int flags,
710 m->encoding != ENCBASE64 &&
711 m->encoding != ENCQUOTEDPRINTABLE &&
712 mutt_is_message_type (m->type, m->subtype)) {
713 /* message type attachments are written to mail folders. */
715 char buf[HUGE_STRING];
723 hn->msgno = hdr->msgno; /* required for MH/maildir */
726 fseeko (fp, m->offset, 0);
727 if (fgets (buf, sizeof (buf), fp) == NULL)
729 if (mx_open_mailbox (path, M_APPEND | M_QUIET, &ctx) == NULL)
732 mx_open_new_message (&ctx, hn,
733 is_from (buf, NULL, 0,
734 NULL) ? 0 : M_ADD_FROM)) == NULL) {
735 mx_close_mailbox (&ctx, NULL);
738 if (ctx.magic == M_MBOX || ctx.magic == M_MMDF)
740 chflags |= (ctx.magic == M_MAILDIR ? CH_NOSTATUS : CH_UPDATE);
741 if (_mutt_copy_message (msg->fp, fp, hn, hn->content, 0, chflags) == 0
742 && mx_commit_message (msg, &ctx) == 0)
747 mx_close_message (&msg);
748 mx_close_mailbox (&ctx, NULL);
752 /* In recv mode, extract from folder and decode */
757 if ((s.fpout = mutt_save_attachment_open (path, flags)) == NULL) {
758 mutt_perror ("fopen");
761 fseeko ((s.fpin = fp), m->offset, 0);
762 mutt_decode_attachment (m, &s);
764 if (fclose (s.fpout) != 0) {
765 mutt_perror ("fclose");
771 /* In send mode, just copy file */
775 if ((ofp = fopen (m->filename, "r")) == NULL) {
776 mutt_perror ("fopen");
780 if ((nfp = mutt_save_attachment_open (path, flags)) == NULL) {
781 mutt_perror ("fopen");
786 if (mutt_copy_stream (ofp, nfp) == -1) {
787 mutt_error _("Write fault!");
800 /* returns 0 on success, -1 on error */
801 int mutt_decode_save_attachment (FILE * fp, BODY * m, char *path,
802 int displaying, int flags)
805 unsigned int saved_encoding = 0;
806 BODY *saved_parts = NULL;
807 HEADER *saved_hdr = NULL;
810 s.flags = displaying;
812 if (flags == M_SAVE_APPEND)
813 s.fpout = fopen (path, "a");
814 else if (flags == M_SAVE_OVERWRITE)
815 s.fpout = safe_fopen (path, "w"); /* __FOPEN_CHECKED__ */
817 s.fpout = safe_fopen (path, "w");
819 if (s.fpout == NULL) {
820 mutt_perror ("fopen");
825 /* When called from the compose menu, the attachment isn't parsed,
826 * so we need to do it here. */
829 if (stat (m->filename, &st) == -1) {
830 mutt_perror ("stat");
835 if ((s.fpin = fopen (m->filename, "r")) == NULL) {
836 mutt_perror ("fopen");
840 saved_encoding = m->encoding;
841 if (!is_multipart (m))
842 m->encoding = ENC8BIT;
844 m->length = st.st_size;
846 saved_parts = m->parts;
848 mutt_parse_part (s.fpin, m);
850 if (m->noconv || is_multipart (m))
851 s.flags |= M_CHARCONV;
855 s.flags |= M_CHARCONV;
858 mutt_body_handler (m, &s);
863 m->encoding = saved_encoding;
865 mutt_free_header (&m->hdr);
866 m->parts = saved_parts;
875 /* Ok, the difference between send and receive:
876 * recv: BODY->filename is a suggested name, and Context|HEADER points
877 * to the attachment in mailbox which is encooded
878 * send: BODY->filename points to the un-encoded file which contains the
882 int mutt_print_attachment (FILE * fp, BODY * a)
884 char newfile[_POSIX_PATH_MAX] = "";
888 short unlink_newfile = 0;
890 snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
892 if (rfc1524_mailcap_lookup (a, type, NULL, M_PRINT)) {
893 char command[_POSIX_PATH_MAX + STRING];
894 rfc1524_entry *entry;
897 debug_print (2, ("Using mailcap...\n"));
899 entry = rfc1524_new_entry ();
900 rfc1524_mailcap_lookup (a, type, entry, M_PRINT);
901 if (rfc1524_expand_filename (entry->nametemplate, a->filename,
902 newfile, sizeof (newfile))) {
904 if (safe_symlink (a->filename, newfile) == -1) {
905 if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES)
907 rfc1524_free_entry (&entry);
910 strfcpy (newfile, a->filename, sizeof (newfile));
917 /* in recv mode, save file to newfile first */
919 mutt_save_attachment (fp, a, newfile, 0, NULL);
921 strfcpy (command, entry->printcommand, sizeof (command));
923 rfc1524_expand_command (a, newfile, type, command, sizeof (command));
927 /* interactive program */
929 if ((ifp = fopen (newfile, "r")) == NULL) {
930 mutt_perror ("fopen");
931 rfc1524_free_entry (&entry);
935 if ((thepid = mutt_create_filter (command, &fpout, NULL, NULL)) < 0) {
936 mutt_perror (_("Can't create filter"));
938 rfc1524_free_entry (&entry);
942 mutt_copy_stream (ifp, fpout);
943 safe_fclose (&fpout);
945 if (mutt_wait_filter (thepid) || option (OPTWAITKEY))
946 mutt_any_key_to_continue (NULL);
949 if (mutt_system (command) || option (OPTWAITKEY))
950 mutt_any_key_to_continue (NULL);
954 mutt_unlink (newfile);
955 else if (unlink_newfile)
958 rfc1524_free_entry (&entry);
962 if (!ascii_strcasecmp ("text/plain", type) ||
963 !ascii_strcasecmp ("application/postscript", type)) {
964 return (mutt_pipe_attachment (fp, a, NONULL (PrintCmd), NULL));
966 else if (mutt_can_decode (a)) {
967 /* decode and print */
974 mutt_mktemp (newfile);
975 if (mutt_decode_save_attachment (fp, a, newfile, M_PRINTING, 0) == 0) {
977 debug_print (2, ("successfully decoded %s type attachment to %s\n",
980 if ((ifp = fopen (newfile, "r")) == NULL) {
981 mutt_perror ("fopen");
985 debug_print (2, ("successfully opened %s read-only\n", newfile));
989 mutt_create_filter (NONULL (PrintCmd), &fpout, NULL, NULL)) < 0) {
990 mutt_perror (_("Can't create filter"));
995 debug_print (2, ("Filter created.\n"));
997 mutt_copy_stream (ifp, fpout);
999 safe_fclose (&fpout);
1002 if (mutt_wait_filter (thepid) != 0 || option (OPTWAITKEY))
1003 mutt_any_key_to_continue (NULL);
1008 safe_fclose (&fpout);
1009 mutt_unlink (newfile);
1013 mutt_error _("I don't know how to print that!");
1019 int mutt_attach_check (HEADER* hdr) {
1021 char buf[LONG_STRING];
1024 regmatch_t pmatch[1];
1026 if (!hdr || !hdr->content || !((regex_t*) AttachRemindRegexp.rx) ||
1027 (fp = safe_fopen (hdr->content->filename, "r")) == NULL)
1030 while (!found && fgets (buf, sizeof (buf), fp)) {
1033 if (regexec ((regex_t*) AttachRemindRegexp.rx, p, 1,