2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or (at
5 * your option) any later version.
7 * This program is distributed in the hope that it will be useful, but
8 * WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17 * Copyright © 2006 Pierre Habouzit
21 * Copyright notice from original mutt:
22 * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
24 * This file is part of mutt-ng, see http://www.muttng.org/.
25 * It's licensed under the GNU General Public License,
26 * please see the file GPL in the top level source directory.
35 #include <lib-lib/mem.h>
36 #include <lib-lib/str.h>
37 #include <lib-lib/ascii.h>
38 #include <lib-lib/macros.h>
39 #include <lib-lib/buffer.h>
40 #include <lib-lib/date.h>
41 #include <lib-lib/debug.h>
42 #include <lib-lib/url.h>
44 #include "recvattach.h"
48 /* Reads an arbitrarily long header field, and looks ahead for continuation
49 * lines. ``line'' must point to a dynamically allocated string; it is
50 * increased if more space is required to fit the whole line.
52 ssize_t mutt_read_rfc822_line(FILE *f, char **line, ssize_t *n)
59 /* end of file or end of headers */
60 if (!fgets(p + pos, *n - pos, f) || (ISSPACE(*p) && pos == 0)) {
65 pos += m_strlen(p + pos);
66 if (p[pos - 1] == '\n') {
69 /* remove trailing spaces. safe: p[0] is not a space */
72 } while (ISSPACE(p[pos]));
74 /* check to see if the next line is a continuation line */
76 if (c != ' ' && c != '\t') {
77 /* next line is a separate header field or EOH */
82 /* eat tabs and spaces from the beginning of the continuation line */
85 } while (c == ' ' || c == '\t');
88 /* string is still terminated because we removed at least one
89 whitespace char above */
93 if (*n < pos + STRING) {
101 /* TODO: Make that a string list somehow */
102 string_list_t *mutt_parse_references(char *s, int in_reply_to)
104 string_list_t *lst = NULL;
108 /* some mail clients add other garbage besides message-ids, so do a quick
109 * check to make sure this looks like a valid message-id
110 * some idiotic clients also break their message-ids between lines, deal
111 * with that too (give up if it's more than two lines, though)
114 for (s = strtok(s, " \t;"); s; s = strtok(NULL, " \t;")) {
119 if (s[n - 1] != '>') {
126 ssize_t m = m_strlen(s);
128 if (s[m - 1] != '>') {
131 new = p_new(char, n + m + 1);
137 /* make sure that this really does look like a message-id.
138 * it should have exactly one @, and if we're looking at
139 * an in-reply-to header, make sure that the part before
140 * the @ has more than eight characters or it's probably
144 char *at = strchr(new, '@');
147 if (!at || strchr(at + 1, '@') || (in_reply_to && at - new <= 8)) {
152 tmp = p_new(string_list_t, 1);
162 int mutt_check_encoding(const char *s)
164 int tok = mime_which_token(s, -1);
172 case MIME_QUOTED_PRINTABLE:
173 return ENCQUOTEDPRINTABLE;
176 case MIME_X_UUENCODE:
183 int mutt_check_mime_type(const char *s)
187 if (!m_strcmp(s, "*") || !m_strcmp(s, ".*"))
190 tok = mime_which_token(s, -1);
192 case MIME_TEXT: return TYPETEXT;
193 case MIME_MULTIPART: return TYPEMULTIPART;
194 case MIME_APPLICATION: return TYPEAPPLICATION;
195 case MIME_MESSAGE: return TYPEMESSAGE;
196 case MIME_IMAGE: return TYPEIMAGE;
197 case MIME_AUDIO: return TYPEAUDIO;
198 case MIME_VIDEO: return TYPEVIDEO;
199 case MIME_MODEL: return TYPEMODEL;
200 default: return TYPEOTHER;
204 static PARAMETER *parse_parameters(const char *s)
206 PARAMETER *res = NULL;
207 PARAMETER **list = &res;
215 if (*s == '=') /* parameters are fucked up, go away */
218 p = strpbrk(s, "=;");
223 /* if we hit a ; now the parameter has no value, just skip it */
229 new = parameter_new();
230 new->attribute = p_dupstr(s, i);
232 while (--i >= 0 && ISSPACE(new->attribute[i])) {
233 new->attribute[i] = '\0';
235 s = skipspaces(p + 1); /* skip over the = */
238 char buffer[LONG_STRING];
242 for (i = 0; *s && i < ssizeof(buffer) - 1; i++, s++) {
243 if (!option(OPTSTRICTMIME)) {
244 /* As iso-2022-* has a characer of '"' with non-ascii state,
246 if (*s == 0x1b && i < ssizeof(buffer) - 2) {
247 state_ascii = s[1] == '(' && (s[2] == 'B' || s[2] == 'J');
250 if (state_ascii && *s == '"')
260 new->value = p_dupstr(buffer, i);
262 for (p = s; *p && *p != ' ' && *p != ';'; p++);
263 new->value = p_dupstr(s, p - s);
269 s = strchr(s, ';'); /* Find the next parameter */
271 break; /* no more parameters */
274 rfc2231_decode_parameters(&res);
278 void mutt_parse_content_type(char *s, BODY *ct)
283 p_delete(&ct->subtype);
284 parameter_list_wipe(&ct->parameter);
286 /* First extract any existing parameters */
287 if ((pc = strchr(s, ';')) != NULL) {
289 ct->parameter = parse_parameters(vskipspaces(pc));
291 /* Some pre-RFC1521 gateways still use the "name=filename" convention,
292 * but if a filename has already been set in the content-disposition,
293 * let that take precedence, and don't set it here */
294 pc = mutt_get_parameter("name", ct->parameter);
295 if (pc && !ct->filename)
296 ct->filename = m_strdup(pc);
299 /* Now get the subtype */
300 if ((subtype = strchr (s, '/'))) {
302 for (pc = subtype; *pc && !ISSPACE(*pc) && *pc != ';'; pc++);
303 ct->subtype = p_dupstr(subtype, pc - subtype);
306 /* Finally, get the major type */
307 ct->type = mutt_check_mime_type(s);
309 if (ct->type == TYPEOTHER) {
310 ct->xtype = m_strdup(s);
314 /* Some older non-MIME mailers (i.e., mailtool, elm) have a content-type
315 * field, so we can attempt to convert the type to BODY here.
318 char buffer[SHORT_STRING];
321 ct->subtype = m_strdup("plain");
325 ct->subtype = m_strdup("basic");
329 ct->subtype = m_strdup("rfc822");
333 ct->type = TYPEAPPLICATION;
334 snprintf(buffer, sizeof(buffer), "x-%s", s);
335 ct->subtype = m_strdup(buffer);
339 ct->subtype = m_strdup("x-unknown");
344 /* Default character set for text types. */
345 if (ct->type == TYPETEXT) {
346 pc = mutt_get_parameter("charset", ct->parameter);
348 mutt_set_parameter("charset",
349 option(OPTSTRICTMIME) ? "us-ascii" :
350 mutt_get_first_charset(AssumedCharset),
356 static void parse_content_disposition(char *s, BODY *ct)
358 if (!ascii_strncasecmp(s, "inline", 6)) {
359 ct->disposition = DISPINLINE;
360 } else if (!ascii_strncasecmp(s, "form-data", 9)) {
361 ct->disposition = DISPFORMDATA;
363 ct->disposition = DISPATTACH;
366 /* Check to see if a default filename was given */
367 if ((s = strchr (s, ';'))) {
368 PARAMETER *parms = parse_parameters(vskipspaces(s));
370 if ((s = mutt_get_parameter("filename", parms)))
371 m_strreplace(&ct->filename, s);
372 if ((s = mutt_get_parameter ("name", parms)))
373 ct->form_name = m_strdup(s);
375 parameter_list_wipe(&parms);
380 * fp stream to read from
382 * digest 1 if reading subparts of a multipart/digest, 0
385 BODY *mutt_read_mime_header(FILE *fp, int digest)
387 BODY *body = mutt_new_body ();
388 char *line = p_new(char, LONG_STRING);
389 ssize_t linelen = LONG_STRING;
392 body->hdr_offset = ftello(fp);
393 body->encoding = ENC7BIT; /* default from RFC1521 */
394 body->disposition = DISPINLINE;
395 body->type = digest ? TYPEMESSAGE : TYPETEXT;
397 while (mutt_read_rfc822_line(fp, &line, &linelen)) {
398 /* Find the value of the current header */
399 if ((p = strchr(line, ':'))) {
405 debug_print (1, ("bogus MIME header: %s\n", line));
409 switch (mime_which_token(line, -1)) {
410 case MIME_CONTENT_TYPE:
411 mutt_parse_content_type (p, body);
414 case MIME_CONTENT_TRANSFER_ENCODING:
415 body->encoding = mutt_check_encoding (p);
418 case MIME_CONTENT_DISPOSITION:
419 parse_content_disposition(p, body);
422 case MIME_CONTENT_DESCRIPTION:
423 m_strreplace(&body->description, p);
424 rfc2047_decode(&body->description);
431 body->offset = ftello(fp); /* Mark the start of the real data */
432 if (!body->subtype) {
433 if (body->type == TYPETEXT)
434 body->subtype = m_strdup("plain");
435 if (body->type == TYPEMESSAGE)
436 body->subtype = m_strdup("rfc822");
443 void mutt_parse_part(FILE *fp, BODY *b)
449 bound = mutt_get_parameter("boundary", b->parameter);
450 fseeko(fp, b->offset, SEEK_SET);
451 b->parts = mutt_parse_multipart(fp, bound, b->offset + b->length,
452 mime_which_token(b->subtype, -1) == MIME_DIGEST);
457 fseeko(fp, b->offset, SEEK_SET);
459 if (mutt_is_message_type(b->type, b->subtype)) {
460 b->parts = mutt_parse_messageRFC822(fp, b);
462 if (mime_which_token(b->subtype, -1) == MIME_EXTERNAL_BODY) {
463 b->parts = mutt_read_mime_header(fp, 0);
474 /* try to recover from parsing error */
477 m_strreplace(&b->subtype, "plain");
481 /* parse a MESSAGE/RFC822 body
484 * fp stream to read from
486 * parent structure which contains info about the message/rfc822
489 * NOTE: this assumes that `parent->length' has been set!
491 BODY *mutt_parse_messageRFC822(FILE * fp, BODY * parent)
495 parent->hdr = header_new();
496 parent->hdr->offset = ftello(fp);
497 parent->hdr->env = mutt_read_rfc822_header(fp, parent->hdr, 0, 0);
499 msg = parent->hdr->content;
501 /* ignore the length given in the content-length since it could be wrong
502 and we already have the info to calculate the correct length */
503 /* if (msg->length == -1) */
504 /* if body of this message is empty, we can end up with a negative length */
505 msg->length = MAX(0, parent->length - (msg->offset - parent->offset));
507 mutt_parse_part(fp, msg);
512 /* parse a multipart structure
515 * fp stream to read from
517 * bound body separator
519 * end_off length of the multipart body (used when the final
520 * boundary is missing to avoid reading too far)
522 * digest 1 if reading a multipart/digest, 0 otherwise
526 mutt_parse_multipart(FILE *fp, const char *bound, off_t end_off, int digest)
528 char buffer[LONG_STRING];
531 int blen = m_strlen(bound);
532 int final = 0; /* did we see the ending boundary? */
535 mutt_error _("multipart message has no boundary parameter!");
539 while (ftello(fp) < end_off && fgets(buffer, sizeof(buffer), fp)) {
542 len = m_strlen(buffer);
543 crlf = len > 1 && buffer[len - 2] == '\r';
545 if (buffer[0] == '-' && buffer[1] == '-'
546 && !m_strncmp(buffer + 2, bound, blen))
551 /* if the body is empty, we can end up with a -1 length */
552 b->length = MAX(0, ftello(fp) - b->offset - len - 1 - crlf);
553 if (b->parts && b->parts->length == 0) {
554 b->parts->length = ftello(fp) - b->parts->offset
559 /* Remove any trailing whitespace, up to the length of the boundary */
560 for (i = len - 1; ISSPACE(buffer[i]) && i >= blen + 2; i--)
563 /* Check for the end boundary */
564 final = buffer[blen + 3] == '-' && buffer[blen + 4] == '-';
568 if (buffer[2 + blen] == '\0') {
569 BODY *new = mutt_read_mime_header(fp, digest);
572 * Consistency checking - catch
573 * bad attachment end boundaries
576 if (new->offset > end_off) {
577 mutt_free_body(&new);
582 last = &(*last)->next;
588 /* in case of missing end boundary, set the length to something reasonable */
589 if (*last && (*last)->length == 0 && !final)
590 (*last)->length = end_off - (*last)->offset;
592 /* parse recursive MIME parts */
595 for (b = head; b; b = b->next)
596 mutt_parse_part(fp, b);
603 uncomment_timezone(char *buf, size_t buflen, const char *tz)
608 return tz; /* no need to do anything */
610 tz = vskipspaces(tz + 1);
611 p = strpbrk(tz, " )");
615 m_strncpy(buf, buflen, tz, p - tz);
621 unsigned char zhours;
622 unsigned char zminutes;
623 unsigned char zoccident; /* west of UTC? */
625 {"aat", 1, 0, 1}, /* Atlantic Africa Time */
626 {"adt", 4, 0, 0}, /* Arabia DST */
627 {"ast", 3, 0, 0}, /* Arabia */
628 /*{ "ast", 4, 0, 1 }, *//* Atlantic */
629 {"bst", 1, 0, 0}, /* British DST */
630 {"cat", 1, 0, 0}, /* Central Africa */
632 {"cest", 2, 0, 0}, /* Central Europe DST */
633 {"cet", 1, 0, 0}, /* Central Europe */
635 /*{ "cst", 8, 0, 0 }, *//* China */
636 /*{ "cst", 9, 30, 0 }, *//* Australian Central Standard Time */
637 {"eat", 3, 0, 0}, /* East Africa */
639 {"eest", 3, 0, 0}, /* Eastern Europe DST */
640 {"eet", 2, 0, 0}, /* Eastern Europe */
641 {"egst", 0, 0, 0}, /* Eastern Greenland DST */
642 {"egt", 1, 0, 1}, /* Eastern Greenland */
645 {"gst", 4, 0, 0}, /* Presian Gulf */
646 {"hkt", 8, 0, 0}, /* Hong Kong */
647 {"ict", 7, 0, 0}, /* Indochina */
648 {"idt", 3, 0, 0}, /* Israel DST */
649 {"ist", 2, 0, 0}, /* Israel */
650 /*{ "ist", 5, 30, 0 }, *//* India */
651 {"jst", 9, 0, 0}, /* Japan */
652 {"kst", 9, 0, 0}, /* Korea */
654 {"met", 1, 0, 0}, /* this is now officially CET */
655 {"msd", 4, 0, 0}, /* Moscow DST */
656 {"msk", 3, 0, 0}, /* Moscow */
658 {"nzdt", 13, 0, 0}, /* New Zealand DST */
659 {"nzst", 12, 0, 0}, /* New Zealand */
662 {"sat", 2, 0, 0}, /* South Africa */
663 {"smt", 4, 0, 0}, /* Seychelles */
664 {"sst", 11, 0, 1}, /* Samoa */
665 /*{ "sst", 8, 0, 0 }, *//* Singapore */
667 {"wat", 0, 0, 0}, /* West Africa */
668 {"west", 1, 0, 0}, /* Western Europe DST */
669 {"wet", 0, 0, 0}, /* Western Europe */
670 {"wgst", 2, 0, 1}, /* Western Greenland DST */
671 {"wgt", 3, 0, 1}, /* Western Greenland */
672 {"wst", 8, 0, 0}, /* Western Australia */
675 /* parses a date string in RFC822 format:
677 * Date: [ weekday , ] day-of-month month year hour:minute:second timezone
679 * This routine assumes that `h' has been initialized to 0. the `timezone'
680 * field is optional, defaulting to +0000 if missing.
682 time_t mutt_parse_date(const char *s, HEADER *h)
684 int zhours = 0, zminutes = 0, zoccident = 0;
685 char scratch[SHORT_STRING];
690 /* Don't modify our argument. Fixed-size buffer is ok here since
691 the date format imposes a natural limit. */
693 m_strcpy(scratch, sizeof(scratch), s);
695 /* kill the day of the week, if it exists. */
696 p = strchr(scratch, ',');
697 p = vskipspaces(p ? p + 1 : scratch);
701 while ((p = strtok (p, " \t")) != NULL) {
702 char tzstr[SHORT_STRING];
706 case 0: /* day of the month */
707 if (!isdigit((unsigned char)*p))
709 tm.tm_mday = atoi(p);
714 case 1: /* month of the year */
715 tm.tm_mon = mutt_check_month(p);
721 tm.tm_year = atoi(p);
724 else if (tm.tm_year >= 1900)
728 case 3: /* time of day */
729 tm.tm_hour = strtol(p, &p, 10);
732 tm.tm_min = strtol(p, &p, 10);
734 tm.tm_sec = strtol(p, &p, 10);
740 case 4: /* timezone */
741 /* sometimes we see things like (MST) or (-0700) so attempt to
742 * compensate by uncommenting the string if non-RFC822 compliant
744 ptz = uncomment_timezone(tzstr, sizeof(tzstr), p);
746 if (*ptz == '+' || *ptz == '-') {
747 if (isdigit((unsigned char)ptz[1])
748 && isdigit((unsigned char)ptz[2])
749 && isdigit((unsigned char)ptz[3])
750 && isdigit((unsigned char)ptz[4]))
752 zoccident = ptz[0] == '-';
753 zhours = (ptz[1] - '0') * 10 + (ptz[2] - '0');
754 zminutes = (ptz[3] - '0') * 10 + (ptz[4] - '0');
759 /* This is safe to do: A pointer to a struct equals a pointer to its
761 tz = bsearch(ptz, TimeZones, countof(TimeZones), sizeof(TimeZones[0]),
762 (int (*)(const void *, const void *))ascii_strcasecmp);
766 zminutes = tz->zminutes;
767 zoccident = tz->zoccident;
770 /* ad hoc support for the European MET (now officially CET) TZ */
771 if (ascii_strcasecmp(p, "MET") == 0) {
772 if ((p = strtok (NULL, " \t")) && !ascii_strcasecmp(p, "DST")) {
783 if (count < 4) { /* don't check for missing timezone */
784 debug_print (1, ("error parsing date format, using received time\n"));
790 h->zminutes = zminutes;
791 h->zoccident = zoccident;
794 return mutt_mktime(&tm, 0) + (zoccident ? 1 : -1) * (zhours * 3600 + zminutes * 60);
797 string_list_t **mutt_parse_rfc822_line(ENVELOPE *e, HEADER *hdr, char *line, char *p,
798 short weed, short do_2047, string_list_t **user_hdrs)
800 switch (mime_which_token(line, -1)) {
801 case MIME_APPARENTLY_FROM:
802 e->from = rfc822_parse_adrlist (e->from, p);
805 case MIME_APPARENTLY_TO:
806 e->to = rfc822_parse_adrlist (e->to, p);
810 e->bcc = rfc822_parse_adrlist (e->bcc, p);
814 e->cc = rfc822_parse_adrlist (e->cc, p);
817 case MIME_CONTENT_DESCRIPTION:
819 m_strreplace(&hdr->content->description, p);
820 rfc2047_decode(&hdr->content->description);
824 case MIME_CONTENT_DISPOSITION:
826 parse_content_disposition(p, hdr->content);
829 case MIME_CONTENT_LENGTH:
831 if ((hdr->content->length = atoi(p)) < 0)
832 hdr->content->length = -1;
836 case MIME_CONTENT_TRANSFER_ENCODING:
838 hdr->content->encoding = mutt_check_encoding(p);
841 case MIME_CONTENT_TYPE:
843 mutt_parse_content_type (p, hdr->content);
847 m_strreplace(&e->date, p);
849 hdr->date_sent = mutt_parse_date (p, hdr);
853 if (hdr && mutt_parse_date (p, NULL) < time (NULL))
858 case MIME_FOLLOWUP_TO:
859 if (!e->followup_to) {
861 e->followup_to = m_strdup(skipspaces(p));
867 e->from = rfc822_parse_adrlist(e->from, p);
868 /* don't leave from info NULL if there's an invalid address (or
869 * whatever) in From: field; mutt would just display it as empty
870 * and mark mail/(esp.) news article as your own. aaargh! this
871 * bothered me for _years_ */
873 e->from = address_new();
874 e->from->personal = m_strdup(p);
878 case MIME_IN_REPLY_TO:
879 string_list_wipe(&e->in_reply_to);
880 e->in_reply_to = mutt_parse_references(p, 1);
885 /* HACK - mutt has, for a very short time, produced negative
886 Lines header values. Ignore them. */
887 hdr->lines = MAX(0, atoi(p));
892 /* RFC 2369. FIXME: We should ignore whitespace, but don't. */
893 if (strncmp(p, "NO", 2)) {
896 for (beg = strchr (p, '<'); beg; beg = strchr (end, ',')) {
898 if (!(end = strchr (beg, '>')))
901 /* Take the first mailto URL */
902 if (url_check_scheme (beg) == U_MAILTO) {
903 p_delete(&e->list_post);
904 e->list_post = p_dupstr(beg, end - beg);
911 case MIME_MAIL_FOLLOWUP_TO:
912 e->mail_followup_to = rfc822_parse_adrlist(e->mail_followup_to, p);
915 case MIME_MAIL_REPLY_TO:
916 address_list_wipe(&e->reply_to);
917 e->reply_to = rfc822_parse_adrlist(e->reply_to, p);
920 case MIME_MESSAGE_ID:
922 const char *beg, *end;
924 /* We add a new "Message-ID:" when building a message */
925 p_delete(&e->message_id);
927 if ((beg = strchr(p, '<')) && (end = strchr(beg, '>')))
928 e->message_id = p_dupstr(beg, (end - beg) + 1);
932 case MIME_MIME_VERSION:
938 case MIME_NEWSGROUPS:
939 p_delete(&e->newsgroups);
941 e->newsgroups = m_strdup(skipspaces(p));
945 case MIME_ORGANIZATION:
946 if (!e->organization && mime_which_token(p, -1) == MIME_UNKNOWN)
947 e->organization = m_strdup(p);
951 if (hdr && !hdr->received) {
952 char *d = strchr(p, ';');
954 hdr->received = mutt_parse_date(d + 1, NULL);
958 case MIME_REFERENCES:
959 string_list_wipe(&e->references);
960 e->references = mutt_parse_references(p, 0);
964 e->reply_to = rfc822_parse_adrlist(e->reply_to, p);
967 case MIME_RETURN_PATH:
968 e->return_path = rfc822_parse_adrlist(e->return_path, p);
972 e->sender = rfc822_parse_adrlist (e->sender, p);
996 e->subject = m_strdup(p);
999 case MIME_SUPERCEDES:
1000 case MIME_SUPERSEDES:
1002 e->supersedes = m_strdup(p);
1006 e->to = rfc822_parse_adrlist(e->to, p);
1010 case MIME_X_COMMENT_TO:
1011 if (!e->x_comment_to)
1012 e->x_comment_to = m_strdup(p);
1017 e->x_label = m_strdup(p);
1023 e->xref = m_strdup(p);
1052 /* restore the original line */
1053 line[m_strlen(line)] = ':';
1055 if (weed && option(OPTWEED) && mutt_matches_ignore(line, Ignore)
1056 && !mutt_matches_ignore(line, UnIgnore)) {
1060 *user_hdrs = string_item_new();
1061 (*user_hdrs)->data = m_strdup(line);
1063 rfc2047_decode(&(*user_hdrs)->data);
1064 return &(*user_hdrs)->next;
1070 /* mutt_read_rfc822_header() -- parses a RFC822 header
1074 * f stream to read from
1076 * hdr header structure of current message (optional).
1078 * user_hdrs If set, store user headers. Used for recall-message and
1081 * weed If this parameter is set and the user has activated the
1082 * $weed option, honor the header weed list for user headers.
1083 * Used for recall-message.
1085 * Returns: newly allocated envelope structure. You should free it by
1086 * envelope_delete() when envelope stay unneeded.
1089 mutt_read_rfc822_header(FILE *f, HEADER *hdr, short user_hdrs, short weed)
1091 ENVELOPE *e = envelope_new();
1092 string_list_t **last = user_hdrs ? &e->userhdrs : NULL;
1094 char *line = p_new(char, LONG_STRING);
1095 ssize_t linelen = LONG_STRING;
1098 if (hdr && !hdr->content) {
1099 hdr->content = mutt_new_body ();
1101 /* set the defaults from RFC1521 */
1102 hdr->content->type = TYPETEXT;
1103 hdr->content->subtype = m_strdup("plain");
1104 hdr->content->encoding = ENC7BIT;
1105 hdr->content->length = -1;
1107 /* RFC 2183 says this is arbitrary */
1108 hdr->content->disposition = DISPINLINE;
1111 while ((loc = ftello(f)),
1112 mutt_read_rfc822_line(f, &line, &linelen))
1114 char buf[LONG_STRING + 1] = "";
1117 p = strpbrk(line, ": \t");
1118 if (!p || *p != ':') {
1119 char return_path[LONG_STRING];
1122 /* some bogus MTAs will quote the original "From " line */
1123 if (!m_strncmp(">From ", line, 6))
1124 continue; /* just ignore */
1126 if (is_from(line, return_path, sizeof(return_path), &t)) {
1127 /* MH somtimes has the From_ line in the middle of the header! */
1128 if (hdr && !hdr->received)
1129 hdr->received = t - mutt_local_tz(t);
1134 break; /* end of header */
1137 if (mutt_match_spam_list(line, SpamList, buf, sizeof(buf))) {
1138 if (!rx_list_match(NoSpamList, line)) {
1139 /* if spam tag already exists, figure out how to amend it */
1140 if (e->spam && *buf) {
1142 /* If SpamSep defined, append with separator */
1143 mutt_buffer_addstr(e->spam, SpamSep);
1144 mutt_buffer_addstr(e->spam, buf);
1146 /* else overwrite */
1147 mutt_buffer_reset(e->spam);
1148 mutt_buffer_addstr(e->spam, buf);
1151 else if (!e->spam && *buf) {
1152 /* spam tag is new, and match expr is non-empty; copy */
1153 e->spam = mutt_buffer_from(NULL, buf);
1155 else if (!e->spam) {
1156 /* match expr is empty; plug in null string if no existing tag */
1157 e->spam = mutt_buffer_from(NULL, "");
1165 continue; /* skip empty header fields */
1167 last = mutt_parse_rfc822_line(e, hdr, line, p, weed, 1, last);
1173 hdr->content->hdr_offset = hdr->offset;
1174 hdr->content->offset = ftello(f);
1175 rfc2047_decode_envelope(e);
1176 /* check for missing or invalid date */
1177 if (hdr->date_sent <= 0) {
1178 debug_print(1, ("no date found, using received "
1179 "time from msg separator\n"));
1180 hdr->date_sent = hdr->received;
1187 /* Compares mime types to the ok and except lists */
1188 static int count_body_parts_check(string_list_t **checklist, BODY *b)
1190 string_list_t *type;
1192 for (type = *checklist; type; type = type->next) {
1193 ATTACH_MATCH *a = (ATTACH_MATCH *)type->data;
1195 if ((a->major_int == TYPEANY || a->major_int == b->type)
1196 && !regexec(&a->minor_rx, b->subtype, 0, NULL, 0)) {
1204 static int count_body_parts (BODY *body, int flags)
1212 for (bp = body; bp != NULL; bp = bp->next) {
1213 /* Initial disposition is to count and not to recurse this part. */
1214 int shallcount, shallrecurse, iscontainer;
1215 int tok = mime_which_token(bp->subtype, -1);
1217 iscontainer = bp->type == TYPEMESSAGE || bp->type == TYPEMULTIPART;
1219 /* don't recurse in external bodies or multipart/alternatives */
1220 shallrecurse = (bp->type == TYPEMESSAGE && tok != MIME_EXTERNAL_BODY)
1221 || (bp->type == TYPEMULTIPART && tok != MIME_ALTERNATIVE);
1223 /* Don't count top level containers and fundamental inlines */
1224 shallcount = !(iscontainer && (flags & M_PARTS_TOPLEVEL))
1225 && !(!iscontainer && bp->disposition == DISPINLINE && bp == body);
1228 /* Turn off shallcount if message type is not in ok list,
1229 * or if it is in except list. Check is done separately for
1230 * inlines vs. attachments.
1233 if (bp->disposition == DISPATTACH) {
1234 if (!count_body_parts_check(&AttachAllow, bp))
1236 if (count_body_parts_check(&AttachExclude, bp))
1239 if (!count_body_parts_check(&InlineAllow, bp))
1241 if (count_body_parts_check(&InlineExclude, bp))
1246 bp->attach_qualifies = shallcount;
1247 count += shallcount;
1250 bp->attach_count = count_body_parts(bp->parts,
1251 flags & ~M_PARTS_TOPLEVEL);
1252 count += bp->attach_count;
1259 int mutt_count_body_parts(HEADER *hdr, int flags)
1261 if (!option(OPTCOUNTATTACH))
1264 if (hdr->attach_valid && !(flags & M_PARTS_RECOUNT))
1265 return hdr->attach_total;
1267 if (AttachAllow || AttachExclude || InlineAllow || InlineExclude)
1268 hdr->attach_total = count_body_parts(hdr->content,
1269 flags | M_PARTS_TOPLEVEL);
1271 hdr->attach_total = 0;
1273 hdr->attach_valid = 1;
1274 return hdr->attach_total;