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>
42 #include <lib-crypt/crypt.h>
44 #include "recvattach.h"
48 #include "lib/debug.h"
52 /* Reads an arbitrarily long header field, and looks ahead for continuation
53 * lines. ``line'' must point to a dynamically allocated string; it is
54 * increased if more space is required to fit the whole line.
56 ssize_t mutt_read_rfc822_line(FILE *f, char **line, ssize_t *n)
63 /* end of file or end of headers */
64 if (!fgets(p + pos, *n - pos, f) || (ISSPACE(*p) && pos == 0)) {
69 pos += m_strlen(p + pos);
70 if (p[pos - 1] == '\n') {
73 /* remove trailing spaces. safe: p[0] is not a space */
76 } while (ISSPACE(p[pos]));
78 /* check to see if the next line is a continuation line */
80 if (c != ' ' && c != '\t') {
81 /* next line is a separate header field or EOH */
86 /* eat tabs and spaces from the beginning of the continuation line */
89 } while (c == ' ' || c == '\t');
92 /* string is still terminated because we removed at least one
93 whitespace char above */
97 if (*n < pos + STRING) {
105 /* TODO: Make that a string list somehow */
106 LIST *mutt_parse_references(char *s, int in_reply_to)
112 /* some mail clients add other garbage besides message-ids, so do a quick
113 * check to make sure this looks like a valid message-id
114 * some idiotic clients also break their message-ids between lines, deal
115 * with that too (give up if it's more than two lines, though)
118 for (s = strtok(s, " \t;"); s; s = strtok(NULL, " \t;")) {
123 if (s[n - 1] != '>') {
130 ssize_t m = m_strlen(s);
132 if (s[m - 1] != '>') {
135 new = p_new(char, n + m + 1);
141 /* make sure that this really does look like a message-id.
142 * it should have exactly one @, and if we're looking at
143 * an in-reply-to header, make sure that the part before
144 * the @ has more than eight characters or it's probably
148 char *at = strchr(new, '@');
151 if (!at || strchr(at + 1, '@') || (in_reply_to && at - new <= 8)) {
156 tmp = p_new(LIST, 1);
166 int mutt_check_encoding(const char *s)
168 #define COMPARE(tok, value) \
169 if (!ascii_strncasecmp(tok, s, sizeof(tok) - 1)) { \
172 COMPARE("7bit", ENC7BIT);
173 COMPARE("8bit", ENC8BIT);
174 COMPARE("binary", ENCBINARY);
175 COMPARE("quoted-printable", ENCQUOTEDPRINTABLE);
176 COMPARE("base64", ENCBASE64);
177 COMPARE("x-uuencode", ENCUUENCODED);
183 int mutt_check_mime_type(const char *s)
185 #define COMPARE(tok, value) \
186 if (!ascii_strncasecmp(tok, s, sizeof(tok) - 1)) { \
189 COMPARE("text", TYPETEXT);
190 COMPARE("multipart", TYPEMULTIPART);
191 COMPARE("application", TYPEAPPLICATION);
192 COMPARE("message", TYPEMESSAGE);
193 COMPARE("image", TYPEIMAGE);
194 COMPARE("audio", TYPEAUDIO);
195 COMPARE("video", TYPEVIDEO);
196 COMPARE("model", TYPEMODEL);
197 COMPARE("*", TYPEANY);
198 COMPARE(".*", TYPEANY);
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_delete(&ct->parameter);
286 /* First extract any existing parameters */
287 if ((pc = strchr (s, ';')) != NULL) {
289 while (*pc && ISSPACE (*pc))
291 ct->parameter = parse_parameters (pc);
293 /* Some pre-RFC1521 gateways still use the "name=filename" convention,
294 * but if a filename has already been set in the content-disposition,
295 * let that take precedence, and don't set it here */
296 if ((pc = mutt_get_parameter ("name", ct->parameter)) != 0
298 ct->filename = m_strdup(pc);
301 /* Now get the subtype */
302 if ((subtype = strchr (s, '/'))) {
304 for (pc = subtype; *pc && !ISSPACE (*pc) && *pc != ';'; pc++);
306 ct->subtype = m_strdup(subtype);
309 /* Finally, get the major type */
310 ct->type = mutt_check_mime_type (s);
312 if (ct->type == TYPEOTHER) {
313 ct->xtype = m_strdup(s);
316 if (ct->subtype == NULL) {
317 /* Some older non-MIME mailers (i.e., mailtool, elm) have a content-type
318 * field, so we can attempt to convert the type to BODY here.
320 if (ct->type == TYPETEXT)
321 ct->subtype = m_strdup("plain");
322 else if (ct->type == TYPEAUDIO)
323 ct->subtype = m_strdup("basic");
324 else if (ct->type == TYPEMESSAGE)
325 ct->subtype = m_strdup("rfc822");
326 else if (ct->type == TYPEOTHER) {
327 char buffer[SHORT_STRING];
329 ct->type = TYPEAPPLICATION;
330 snprintf (buffer, sizeof (buffer), "x-%s", s);
331 ct->subtype = m_strdup(buffer);
334 ct->subtype = m_strdup("x-unknown");
337 /* Default character set for text types. */
338 if (ct->type == TYPETEXT) {
339 if (!(pc = mutt_get_parameter ("charset", ct->parameter)))
340 mutt_set_parameter ("charset", option (OPTSTRICTMIME) ? "us-ascii" :
342 mutt_get_first_charset (AssumedCharset),
347 static void parse_content_disposition (char *s, BODY * ct)
351 if (!ascii_strncasecmp ("inline", s, 6))
352 ct->disposition = DISPINLINE;
353 else if (!ascii_strncasecmp ("form-data", s, 9))
354 ct->disposition = DISPFORMDATA;
356 ct->disposition = DISPATTACH;
358 /* Check to see if a default filename was given */
359 if ((s = strchr (s, ';')) != NULL) {
360 s = vskipspaces(s + 1);
361 if ((s = mutt_get_parameter("filename",
362 (parms = parse_parameters (s)))) != 0)
363 m_strreplace(&ct->filename, s);
364 if ((s = mutt_get_parameter ("name", parms)) != 0)
365 ct->form_name = m_strdup(s);
366 parameter_delete(&parms);
371 * fp stream to read from
373 * digest 1 if reading subparts of a multipart/digest, 0
377 BODY *mutt_read_mime_header (FILE * fp, int digest)
379 BODY *p = mutt_new_body ();
381 char *line = p_new(char, LONG_STRING);
382 ssize_t linelen = LONG_STRING;
384 p->hdr_offset = ftello (fp);
386 p->encoding = ENC7BIT; /* default from RFC1521 */
387 p->type = digest ? TYPEMESSAGE : TYPETEXT;
388 p->disposition = DISPINLINE;
390 while (mutt_read_rfc822_line(fp, &line, &linelen)) {
391 /* Find the value of the current header */
392 if ((c = strchr (line, ':'))) {
396 debug_print (1, ("skipping empty header field: %s\n", line));
401 debug_print (1, ("bogus MIME header: %s\n", line));
405 if (!ascii_strncasecmp ("content-", line, 8)) {
406 if (!ascii_strcasecmp ("type", line + 8))
407 mutt_parse_content_type (c, p);
408 else if (!ascii_strcasecmp ("transfer-encoding", line + 8))
409 p->encoding = mutt_check_encoding (c);
410 else if (!ascii_strcasecmp ("disposition", line + 8))
411 parse_content_disposition (c, p);
412 else if (!ascii_strcasecmp ("description", line + 8)) {
413 m_strreplace(&p->description, c);
414 rfc2047_decode (&p->description);
418 p->offset = ftello (fp); /* Mark the start of the real data */
419 if (p->type == TYPETEXT && !p->subtype)
420 p->subtype = m_strdup("plain");
421 else if (p->type == TYPEMESSAGE && !p->subtype)
422 p->subtype = m_strdup("rfc822");
429 void mutt_parse_part (FILE * fp, BODY * b)
435 bound = mutt_get_parameter ("boundary", b->parameter);
436 fseeko (fp, b->offset, SEEK_SET);
437 b->parts = mutt_parse_multipart (fp, bound,
438 b->offset + b->length,
439 ascii_strcasecmp ("digest",
445 fseeko (fp, b->offset, SEEK_SET);
446 if (mutt_is_message_type (b->type, b->subtype))
447 b->parts = mutt_parse_messageRFC822 (fp, b);
448 else if (ascii_strcasecmp (b->subtype, "external-body") == 0)
449 b->parts = mutt_read_mime_header (fp, 0);
459 /* try to recover from parsing error */
462 m_strreplace(&b->subtype, "plain");
466 /* parse a MESSAGE/RFC822 body
469 * fp stream to read from
471 * parent structure which contains info about the message/rfc822
474 * NOTE: this assumes that `parent->length' has been set!
477 BODY *mutt_parse_messageRFC822 (FILE * fp, BODY * parent)
481 parent->hdr = header_new();
482 parent->hdr->offset = ftello (fp);
483 parent->hdr->env = mutt_read_rfc822_header (fp, parent->hdr, 0, 0);
484 msg = parent->hdr->content;
486 /* ignore the length given in the content-length since it could be wrong
487 and we already have the info to calculate the correct length */
488 /* if (msg->length == -1) */
489 msg->length = parent->length - (msg->offset - parent->offset);
491 /* if body of this message is empty, we can end up with a negative length */
495 mutt_parse_part (fp, msg);
499 /* parse a multipart structure
502 * fp stream to read from
504 * boundary body separator
506 * end_off length of the multipart body (used when the final
507 * boundary is missing to avoid reading too far)
509 * digest 1 if reading a multipart/digest, 0 otherwise
512 BODY *mutt_parse_multipart (FILE * fp, const char *boundary, off_t end_off,
515 int blen, len, crlf = 0;
516 char buffer[LONG_STRING];
517 BODY *head = 0, *last = 0, *new = 0;
519 int final = 0; /* did we see the ending boundary? */
522 mutt_error _("multipart message has no boundary parameter!");
527 blen = m_strlen(boundary);
528 while (ftello (fp) < end_off && fgets (buffer, LONG_STRING, fp) != NULL) {
529 len = m_strlen(buffer);
531 crlf = (len > 1 && buffer[len - 2] == '\r') ? 1 : 0;
533 if (buffer[0] == '-' && buffer[1] == '-' &&
534 m_strncmp(buffer + 2, boundary, blen) == 0) {
536 last->length = ftello (fp) - last->offset - len - 1 - crlf;
537 if (last->parts && last->parts->length == 0)
538 last->parts->length =
539 ftello (fp) - last->parts->offset - len - 1 - crlf;
540 /* if the body is empty, we can end up with a -1 length */
541 if (last->length < 0)
545 /* Remove any trailing whitespace, up to the length of the boundary */
546 for (i = len - 1; ISSPACE (buffer[i]) && i >= blen + 2; i--)
549 /* Check for the end boundary */
550 if (m_strcmp(buffer + blen + 2, "--") == 0) {
552 break; /* done parsing */
554 else if (buffer[2 + blen] == 0) {
555 new = mutt_read_mime_header (fp, digest);
558 * Consistency checking - catch
559 * bad attachment end boundaries
562 if (new->offset > end_off) {
563 mutt_free_body (&new);
576 /* in case of missing end boundary, set the length to something reasonable */
577 if (last && last->length == 0 && !final)
578 last->length = end_off - last->offset;
580 /* parse recursive MIME parts */
581 for (last = head; last; last = last->next)
582 mutt_parse_part (fp, last);
587 static const char *uncomment_timezone (char *buf, size_t buflen,
594 return tz; /* no need to do anything */
595 tz = vskipspaces(tz + 1);
596 if ((p = strpbrk (tz, " )")) == NULL)
599 if (len > buflen - 1)
601 memcpy (buf, tz, len);
608 unsigned char zhours;
609 unsigned char zminutes;
610 unsigned char zoccident; /* west of UTC? */
613 "aat", 1, 0, 1}, /* Atlantic Africa Time */
615 "adt", 4, 0, 0}, /* Arabia DST */
617 "ast", 3, 0, 0}, /* Arabia */
618 /*{ "ast", 4, 0, 1 }, *//* Atlantic */
620 "bst", 1, 0, 0}, /* British DST */
622 "cat", 1, 0, 0}, /* Central Africa */
625 "cest", 2, 0, 0}, /* Central Europe DST */
627 "cet", 1, 0, 0}, /* Central Europe */
630 /*{ "cst", 8, 0, 0 }, *//* China */
631 /*{ "cst", 9, 30, 0 }, *//* Australian Central Standard Time */
633 "eat", 3, 0, 0}, /* East Africa */
636 "eest", 3, 0, 0}, /* Eastern Europe DST */
638 "eet", 2, 0, 0}, /* Eastern Europe */
640 "egst", 0, 0, 0}, /* Eastern Greenland DST */
642 "egt", 1, 0, 1}, /* Eastern Greenland */
646 "gst", 4, 0, 0}, /* Presian Gulf */
648 "hkt", 8, 0, 0}, /* Hong Kong */
650 "ict", 7, 0, 0}, /* Indochina */
652 "idt", 3, 0, 0}, /* Israel DST */
654 "ist", 2, 0, 0}, /* Israel */
655 /*{ "ist", 5, 30, 0 }, *//* India */
657 "jst", 9, 0, 0}, /* Japan */
659 "kst", 9, 0, 0}, /* Korea */
662 "met", 1, 0, 0}, /* this is now officially CET */
664 "msd", 4, 0, 0}, /* Moscow DST */
666 "msk", 3, 0, 0}, /* Moscow */
669 "nzdt", 13, 0, 0}, /* New Zealand DST */
671 "nzst", 12, 0, 0}, /* New Zealand */
675 "sat", 2, 0, 0}, /* South Africa */
677 "smt", 4, 0, 0}, /* Seychelles */
679 "sst", 11, 0, 1}, /* Samoa */
680 /*{ "sst", 8, 0, 0 }, *//* Singapore */
683 "wat", 0, 0, 0}, /* West Africa */
685 "west", 1, 0, 0}, /* Western Europe DST */
687 "wet", 0, 0, 0}, /* Western Europe */
689 "wgst", 2, 0, 1}, /* Western Greenland DST */
691 "wgt", 3, 0, 1}, /* Western Greenland */
693 "wst", 8, 0, 0}, /* Western Australia */
696 /* parses a date string in RFC822 format:
698 * Date: [ weekday , ] day-of-month month year hour:minute:second timezone
700 * This routine assumes that `h' has been initialized to 0. the `timezone'
701 * field is optional, defaulting to +0000 if missing.
703 time_t mutt_parse_date (const char *s, HEADER * h)
715 char tzstr[SHORT_STRING];
716 char scratch[SHORT_STRING];
718 /* Don't modify our argument. Fixed-size buffer is ok here since
719 * the date format imposes a natural limit.
722 m_strcpy(scratch, sizeof(scratch), s);
724 /* kill the day of the week, if it exists. */
725 if ((t = strchr (scratch, ',')))
733 while ((t = strtok (t, " \t")) != NULL) {
735 case 0: /* day of the month */
736 if (!isdigit ((unsigned char) *t))
738 tm.tm_mday = atoi (t);
743 case 1: /* month of the year */
744 if ((i = mutt_check_month (t)) < 0)
750 tm.tm_year = atoi (t);
753 else if (tm.tm_year >= 1900)
757 case 3: /* time of day */
758 if (sscanf (t, "%d:%d:%d", &hour, &min, &sec) == 3);
759 else if (sscanf (t, "%d:%d", &hour, &min) == 2)
762 debug_print (1, ("could not process time format: %s\n", t));
770 case 4: /* timezone */
771 /* sometimes we see things like (MST) or (-0700) so attempt to
772 * compensate by uncommenting the string if non-RFC822 compliant
774 ptz = uncomment_timezone (tzstr, sizeof (tzstr), t);
776 if (*ptz == '+' || *ptz == '-') {
777 if (ptz[1] && ptz[2] && ptz[3] && ptz[4]
778 && isdigit ((unsigned char) ptz[1])
779 && isdigit ((unsigned char) ptz[2])
780 && isdigit ((unsigned char) ptz[3])
781 && isdigit ((unsigned char) ptz[4])) {
782 zhours = (ptz[1] - '0') * 10 + (ptz[2] - '0');
783 zminutes = (ptz[3] - '0') * 10 + (ptz[4] - '0');
792 tz = bsearch (ptz, TimeZones, sizeof TimeZones / sizeof (struct tz_t),
793 sizeof (struct tz_t),
794 (int (*)(const void *, const void *)) ascii_strcasecmp
795 /* This is safe to do: A pointer to a struct equals
796 * a pointer to its first element*/ );
800 zminutes = tz->zminutes;
801 zoccident = tz->zoccident;
804 /* ad hoc support for the European MET (now officially CET) TZ */
805 if (ascii_strcasecmp (t, "MET") == 0) {
806 if ((t = strtok (NULL, " \t")) != NULL) {
807 if (!ascii_strcasecmp (t, "DST"))
812 tz_offset = zhours * 3600 + zminutes * 60;
814 tz_offset = -tz_offset;
821 if (count < 4) { /* don't check for missing timezone */
822 debug_print (1, ("error parsing date format, using received time\n"));
828 h->zminutes = zminutes;
829 h->zoccident = zoccident;
832 return (mutt_mktime (&tm, 0) + tz_offset);
835 /* extract the first substring that looks like a message-id */
836 static char *extract_message_id(const char *s)
840 if ((s = strchr(s, '<')) == NULL || (p = strchr(s, '>')) == NULL)
842 return p_dupstr(s, (p - s) + 1);
845 void mutt_parse_mime_message (CONTEXT * ctx, HEADER * cur)
851 if (cur->content->type != TYPEMESSAGE
852 && cur->content->type != TYPEMULTIPART)
853 break; /* nothing to do */
855 if (cur->content->parts)
856 break; /* The message was parsed earlier. */
858 if ((msg = mx_open_message (ctx, cur->msgno))) {
859 mutt_parse_part (msg->fp, cur->content);
861 cur->security = crypt_query (cur->content);
863 mx_close_message (&msg);
866 mutt_count_body_parts (cur, flags | M_PARTS_RECOUNT);
869 int mutt_parse_rfc822_line (ENVELOPE * e, HEADER * hdr, char *line, char *p,
870 short user_hdrs, short weed, short do_2047,
879 switch (ascii_tolower (line[0])) {
881 if (ascii_strcasecmp (line + 1, "pparently-to") == 0) {
882 e->to = rfc822_parse_adrlist (e->to, p);
885 else if (ascii_strcasecmp (line + 1, "pparently-from") == 0) {
886 e->from = rfc822_parse_adrlist (e->from, p);
892 if (ascii_strcasecmp (line + 1, "cc") == 0) {
893 e->bcc = rfc822_parse_adrlist (e->bcc, p);
899 if (ascii_strcasecmp (line + 1, "c") == 0) {
900 e->cc = rfc822_parse_adrlist (e->cc, p);
903 else if (ascii_strncasecmp (line + 1, "ontent-", 7) == 0) {
904 if (ascii_strcasecmp (line + 8, "type") == 0) {
906 mutt_parse_content_type (p, hdr->content);
909 else if (ascii_strcasecmp (line + 8, "transfer-encoding") == 0) {
911 hdr->content->encoding = mutt_check_encoding (p);
914 else if (ascii_strcasecmp (line + 8, "length") == 0) {
916 if ((hdr->content->length = atoi (p)) < 0)
917 hdr->content->length = -1;
921 else if (ascii_strcasecmp (line + 8, "description") == 0) {
923 m_strreplace(&hdr->content->description, p);
924 rfc2047_decode (&hdr->content->description);
928 else if (ascii_strcasecmp (line + 8, "disposition") == 0) {
930 parse_content_disposition (p, hdr->content);
937 if (!ascii_strcasecmp ("ate", line + 1)) {
938 m_strreplace(&e->date, p);
940 hdr->date_sent = mutt_parse_date (p, hdr);
946 if (!ascii_strcasecmp ("xpires", line + 1) &&
947 hdr && mutt_parse_date (p, NULL) < time (NULL))
952 if (!ascii_strcasecmp ("rom", line + 1)) {
953 e->from = rfc822_parse_adrlist (e->from, p);
954 /* don't leave from info NULL if there's an invalid address (or
955 * whatever) in From: field; mutt would just display it as empty
956 * and mark mail/(esp.) news article as your own. aaargh! this
957 * bothered me for _years_ */
959 e->from = address_new ();
960 e->from->personal = m_strdup(p);
965 else if (!m_strcasecmp(line + 1, "ollowup-to")) {
966 if (!e->followup_to) {
968 e->followup_to = m_strdup(skipspaces(p));
976 if (!ascii_strcasecmp (line + 1, "n-reply-to")) {
977 mutt_free_list (&e->in_reply_to);
978 e->in_reply_to = mutt_parse_references (p, 1);
984 if (!ascii_strcasecmp (line + 1, "ines")) {
986 hdr->lines = atoi (p);
989 * HACK - mutt has, for a very short time, produced negative
990 * Lines header values. Ignore them.
998 else if (!ascii_strcasecmp (line + 1, "ist-Post")) {
999 /* RFC 2369. FIXME: We should ignore whitespace, but don't. */
1000 if (strncmp (p, "NO", 2)) {
1003 for (beg = strchr (p, '<'); beg; beg = strchr (end, ',')) {
1005 if (!(end = strchr (beg, '>')))
1008 /* Take the first mailto URL */
1009 if (url_check_scheme (beg) == U_MAILTO) {
1010 p_delete(&e->list_post);
1011 e->list_post = p_dupstr(beg, end - beg);
1021 if (!ascii_strcasecmp (line + 1, "ime-version")) {
1026 else if (!ascii_strcasecmp (line + 1, "essage-id")) {
1027 /* We add a new "Message-ID:" when building a message */
1028 p_delete(&e->message_id);
1029 e->message_id = extract_message_id (p);
1032 else if (!ascii_strncasecmp (line + 1, "ail-", 4)) {
1033 if (!ascii_strcasecmp (line + 5, "reply-to")) {
1034 /* override the Reply-To: field */
1035 address_delete (&e->reply_to);
1036 e->reply_to = rfc822_parse_adrlist (e->reply_to, p);
1039 else if (!ascii_strcasecmp (line + 5, "followup-to")) {
1040 e->mail_followup_to = rfc822_parse_adrlist (e->mail_followup_to, p);
1048 if (!m_strcasecmp(line + 1, "ewsgroups")) {
1049 p_delete(&e->newsgroups);
1051 e->newsgroups = m_strdup(skipspaces(p));
1058 /* field `Organization:' saves only for pager! */
1059 if (!m_strcasecmp(line + 1, "rganization")) {
1060 if (!e->organization && m_strcasecmp(p, "unknown"))
1061 e->organization = m_strdup(p);
1066 if (!ascii_strcasecmp (line + 1, "eferences")) {
1067 mutt_free_list (&e->references);
1068 e->references = mutt_parse_references (p, 0);
1071 else if (!ascii_strcasecmp (line + 1, "eply-to")) {
1072 e->reply_to = rfc822_parse_adrlist (e->reply_to, p);
1075 else if (!ascii_strcasecmp (line + 1, "eturn-path")) {
1076 e->return_path = rfc822_parse_adrlist (e->return_path, p);
1079 else if (!ascii_strcasecmp (line + 1, "eceived")) {
1080 if (hdr && !hdr->received) {
1081 char *d = strchr (p, ';');
1084 hdr->received = mutt_parse_date (d + 1, NULL);
1090 if (!ascii_strcasecmp (line + 1, "ubject")) {
1092 e->subject = m_strdup(p);
1095 else if (!ascii_strcasecmp (line + 1, "ender")) {
1096 e->sender = rfc822_parse_adrlist (e->sender, p);
1099 else if (!ascii_strcasecmp (line + 1, "tatus")) {
1118 else if ((!ascii_strcasecmp ("upersedes", line + 1) ||
1119 !ascii_strcasecmp ("upercedes", line + 1)) && hdr)
1120 e->supersedes = m_strdup(p);
1124 if (ascii_strcasecmp (line + 1, "o") == 0) {
1125 e->to = rfc822_parse_adrlist (e->to, p);
1131 if (ascii_strcasecmp (line + 1, "-status") == 0) {
1152 else if (ascii_strcasecmp (line + 1, "-label") == 0) {
1153 e->x_label = m_strdup(p);
1157 else if (!m_strcasecmp(line + 1, "-comment-to")) {
1158 if (!e->x_comment_to)
1159 e->x_comment_to = m_strdup(p);
1162 else if (!m_strcasecmp(line + 1, "ref")) {
1164 e->xref = m_strdup(p);
1173 /* Keep track of the user-defined headers */
1174 if (!matched && user_hdrs) {
1175 /* restore the original line */
1176 line[m_strlen(line)] = ':';
1178 if (weed && option (OPTWEED) && mutt_matches_ignore (line, Ignore)
1179 && !mutt_matches_ignore (line, UnIgnore))
1183 last->next = mutt_new_list ();
1187 last = e->userhdrs = mutt_new_list ();
1188 last->data = m_strdup(line);
1190 rfc2047_decode (&last->data);
1200 /* mutt_read_rfc822_header() -- parses a RFC822 header
1204 * f stream to read from
1206 * hdr header structure of current message (optional).
1208 * user_hdrs If set, store user headers. Used for recall-message and
1211 * weed If this parameter is set and the user has activated the
1212 * $weed option, honor the header weed list for user headers.
1213 * Used for recall-message.
1215 * Returns: newly allocated envelope structure. You should free it by
1216 * envelope_delete() when envelope stay unneeded.
1218 ENVELOPE *mutt_read_rfc822_header (FILE * f, HEADER * hdr, short user_hdrs,
1221 ENVELOPE *e = envelope_new();
1223 char *line = p_new(char, LONG_STRING);
1227 ssize_t linelen = LONG_STRING;
1228 char buf[LONG_STRING + 1];
1231 if (hdr->content == NULL) {
1232 hdr->content = mutt_new_body ();
1234 /* set the defaults from RFC1521 */
1235 hdr->content->type = TYPETEXT;
1236 hdr->content->subtype = m_strdup("plain");
1237 hdr->content->encoding = ENC7BIT;
1238 hdr->content->length = -1;
1240 /* RFC 2183 says this is arbitrary */
1241 hdr->content->disposition = DISPINLINE;
1245 while ((loc = ftello (f)),
1246 mutt_read_rfc822_line (f, &line, &linelen))
1250 if ((p = strpbrk (line, ": \t")) == NULL || *p != ':') {
1251 char return_path[LONG_STRING];
1254 /* some bogus MTAs will quote the original "From " line */
1255 if (m_strncmp(">From ", line, 6) == 0)
1256 continue; /* just ignore */
1257 else if (is_from (line, return_path, sizeof (return_path), &t)) {
1258 /* MH somtimes has the From_ line in the middle of the header! */
1259 if (hdr && !hdr->received)
1260 hdr->received = t - mutt_local_tz (t);
1265 break; /* end of header */
1270 if (mutt_match_spam_list (line, SpamList, buf, sizeof (buf))) {
1271 if (!rx_list_match (NoSpamList, line)) {
1273 /* if spam tag already exists, figure out how to amend it */
1274 if (e->spam && *buf) {
1275 /* If SpamSep defined, append with separator */
1277 mutt_buffer_addstr (e->spam, SpamSep);
1278 mutt_buffer_addstr (e->spam, buf);
1281 /* else overwrite */
1283 e->spam->dptr = e->spam->data;
1284 *e->spam->dptr = '\0';
1285 mutt_buffer_addstr (e->spam, buf);
1289 /* spam tag is new, and match expr is non-empty; copy */
1290 else if (!e->spam && *buf) {
1291 e->spam = mutt_buffer_from (NULL, buf);
1294 /* match expr is empty; plug in null string if no existing tag */
1295 else if (!e->spam) {
1296 e->spam = mutt_buffer_from (NULL, "");
1299 if (e->spam && e->spam->data)
1300 debug_print (5, ("spam = %s\n", e->spam->data));
1307 continue; /* skip empty header fields */
1310 mutt_parse_rfc822_line (e, hdr, line, p, user_hdrs, weed, 1, &last);
1317 hdr->content->hdr_offset = hdr->offset;
1318 hdr->content->offset = ftello (f);
1319 rfc2047_decode_envelope(e);
1320 /* check for missing or invalid date */
1321 if (hdr->date_sent <= 0) {
1322 debug_print (1, ("no date found, using received "
1323 "time from msg separator\n"));
1324 hdr->date_sent = hdr->received;
1331 address_t *mutt_parse_adrlist (address_t * p, const char *s)
1335 /* check for a simple whitespace separated list of addresses */
1336 if ((q = strpbrk (s, "\"<>():;,\\")) == NULL) {
1337 char tmp[HUGE_STRING];
1340 m_strcpy(tmp, sizeof(tmp), s);
1342 while ((r = strtok (r, " \t")) != NULL) {
1343 p = rfc822_parse_adrlist (p, r);
1348 p = rfc822_parse_adrlist (p, s);
1354 /* Compares mime types to the ok and except lists */
1355 int count_body_parts_check(LIST **checklist, BODY *b, int dflt) {
1359 /* If list is null, use default behavior. */
1365 for (type = *checklist; type; type = type->next) {
1366 a = (ATTACH_MATCH *)type->data;
1367 debug_print(5, ("cbpc: %s %d/%s ?? %s/%s [%d]... ",
1368 dflt ? "[OK] " : "[EXCL] ",
1369 b->type, b->subtype, a->major, a->minor, a->major_int));
1370 if ((a->major_int == TYPEANY || a->major_int == b->type) &&
1371 !regexec(&a->minor_rx, b->subtype, 0, NULL, 0)) {
1372 debug_print(5, ("yes\n"));
1375 debug_print(5, ("no\n"));
1381 #define AT_COUNT(why) { shallcount = 1; }
1382 #define AT_NOCOUNT(why) { shallcount = 0; }
1384 int count_body_parts (BODY *body, int flags) {
1386 int shallcount, shallrecurse;
1392 for (bp = body; bp != NULL; bp = bp->next) {
1393 /* Initial disposition is to count and not to recurse this part. */
1394 AT_COUNT("default");
1397 debug_print(5, ("bp: desc=\"%s\"; fn=\"%s\", type=\"%d/%s\"\n",
1398 bp->description ? bp->description : ("none"),
1399 bp->filename ? bp->filename :
1400 bp->d_filename ? bp->d_filename : "(none)",
1401 bp->type, bp->subtype ? bp->subtype : "*"));
1403 if (bp->type == TYPEMESSAGE) {
1406 /* If it's an external body pointer, don't recurse it. */
1407 if (!ascii_strcasecmp (bp->subtype, "external-body"))
1410 /* Don't count containers if they're top-level. */
1411 if (flags & M_PARTS_TOPLEVEL)
1412 AT_NOCOUNT("top-level message/*");
1413 } else if (bp->type == TYPEMULTIPART) {
1414 /* Always recurse multiparts, except multipart/alternative. */
1416 if (!m_strcasecmp(bp->subtype, "alternative"))
1419 /* Don't count containers if they're top-level. */
1420 if (flags & M_PARTS_TOPLEVEL)
1421 AT_NOCOUNT("top-level multipart");
1424 if (bp->disposition == DISPINLINE &&
1425 bp->type != TYPEMULTIPART && bp->type != TYPEMESSAGE && bp == body)
1426 AT_NOCOUNT("ignore fundamental inlines");
1428 /* If this body isn't scheduled for enumeration already, don't bother
1429 * profiling it further. */
1432 /* Turn off shallcount if message type is not in ok list,
1433 * or if it is in except list. Check is done separately for
1434 * inlines vs. attachments.
1437 if (bp->disposition == DISPATTACH) {
1438 if (!count_body_parts_check(&AttachAllow, bp, 1))
1439 AT_NOCOUNT("attach not allowed");
1440 if (count_body_parts_check(&AttachExclude, bp, 0))
1441 AT_NOCOUNT("attach excluded");
1443 if (!count_body_parts_check(&InlineAllow, bp, 1))
1444 AT_NOCOUNT("inline not allowed");
1445 if (count_body_parts_check(&InlineExclude, bp, 0))
1446 AT_NOCOUNT("excluded");
1452 bp->attach_qualifies = shallcount ? 1 : 0;
1454 debug_print(5, ("cbp: %p shallcount = %d\n", bp, shallcount));
1457 debug_print(5, ("cbp: %p pre count = %d\n", bp, count));
1458 bp->attach_count = count_body_parts(bp->parts, flags & ~M_PARTS_TOPLEVEL);
1459 count += bp->attach_count;
1460 debug_print(5, ("cbp: %p post count = %d\n", bp, count));
1464 debug_print(5, ("bp: return %d\n", count < 0 ? 0 : count));
1465 return count < 0 ? 0 : count;
1468 int mutt_count_body_parts (HEADER *hdr, int flags) {
1469 if (!option (OPTCOUNTATTACH))
1471 if (hdr->attach_valid && !(flags & M_PARTS_RECOUNT))
1472 return hdr->attach_total;
1474 if (AttachAllow || AttachExclude || InlineAllow || InlineExclude)
1475 hdr->attach_total = count_body_parts(hdr->content, flags | M_PARTS_TOPLEVEL);
1477 hdr->attach_total = 0;
1479 hdr->attach_valid = 1;
1480 return hdr->attach_total;