2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2002 Michael R. Elkins <me@mutt.org>
5 * This file is part of mutt-ng, see http://www.muttng.org/.
6 * It's licensed under the GNU General Public License,
7 * please see the file GPL in the top level source directory.
10 #include <lib-lib/lib-lib.h>
13 #include <sys/utsname.h>
15 #include <lib-sys/exit.h>
16 #include <lib-sys/mutt_signal.h>
17 #include <lib-mime/mime.h>
18 #include <lib-ui/curses.h>
19 #include <lib-mx/mx.h>
21 #include <lib-crypt/crypt.h>
25 #include "recvattach.h"
29 #include "mutt_idna.h"
32 # include "mutt_libesmtp.h"
33 #endif /* USE_LIBESMTP */
36 #include <nntp/nntp.h>
39 #ifdef HAVE_SYSEXITS_H
41 #else /* Make sure EX_OK is defined <philiph@pobox.com> */
45 static void transform_to_7bit (BODY * a, FILE * fpin);
47 static void encode_quoted (fgetconv_t * fc, FILE * fout, int istext)
50 char line[77], savechar;
52 while ((c = fgetconv (fc)) != EOF) {
53 /* Wrap the line if needed. */
54 if (linelen == 76 && ((istext && c != '\n') || !istext)) {
55 /* If the last character is "quoted", then be sure to move all three
56 * characters to the next line. Otherwise, just move the last
59 if (line[linelen - 3] == '=') {
60 line[linelen - 3] = 0;
65 line[1] = line[linelen - 2];
66 line[2] = line[linelen - 1];
70 savechar = line[linelen - 1];
71 line[linelen - 1] = '=';
80 /* Escape lines that begin with/only contain "the message separator". */
81 if (linelen == 4 && !m_strncmp("From", line, 4)) {
82 m_strcpy(line, sizeof(line), "=46rom");
85 else if (linelen == 4 && !m_strncmp("from", line, 4)) {
86 m_strcpy(line, sizeof(line), "=66rom");
89 else if (linelen == 1 && line[0] == '.') {
90 m_strcpy(line, sizeof(line), "=2E");
95 if (c == '\n' && istext) {
96 /* Check to make sure there is no trailing space on this line. */
98 && (line[linelen - 1] == ' ' || line[linelen - 1] == '\t')) {
100 sprintf (line + linelen - 1, "=%2.2X",
101 (unsigned char) line[linelen - 1]);
105 savechar = line[linelen - 1];
107 line[linelen - 1] = '=';
110 fprintf (fout, "\n=%2.2X", (unsigned char) savechar);
120 else if (c != 9 && (c < 32 || c > 126 || c == '=')) {
121 /* Check to make sure there is enough room for the quoted character.
122 * If not, wrap to the next line.
125 line[linelen++] = '=';
131 sprintf (line + linelen, "=%2.2X", (unsigned char) c);
135 /* Don't worry about wrapping the line here. That will happen during
136 * the next iteration when I'll also know what the next character is.
142 /* Take care of anything left in the buffer */
144 if (line[linelen - 1] == ' ' || line[linelen - 1] == '\t') {
145 /* take care of trailing whitespace */
147 sprintf (line + linelen - 1, "=%2.2X",
148 (unsigned char) line[linelen - 1]);
150 savechar = line[linelen - 1];
151 line[linelen - 1] = '=';
155 sprintf (line, "=%2.2X", (unsigned char) savechar);
164 static char b64_buffer[3];
165 static short b64_num;
166 static short b64_linelen;
168 static void b64_flush (FILE * fout)
175 if (b64_linelen >= 72) {
180 for (i = b64_num; i < 3; i++)
181 b64_buffer[i] = '\0';
183 fputc(__m_b64chars[(b64_buffer[0] >> 2) & 0x3f], fout);
186 [((b64_buffer[0] & 0x3) << 4) | ((b64_buffer[1] >> 4) & 0xf)], fout);
191 [((b64_buffer[1] & 0xf) << 2) | ((b64_buffer[2] >> 6) & 0x3)],
195 fputc (__m_b64chars[b64_buffer[2] & 0x3f], fout);
200 while (b64_linelen % 4) {
209 static void b64_putc (char c, FILE * fout)
214 b64_buffer[b64_num++] = c;
218 static void encode_base64 (fgetconv_t * fc, FILE * fout, int istext)
222 b64_num = b64_linelen = 0;
224 while ((ch = fgetconv (fc)) != EOF) {
225 if (istext && ch == '\n' && ch1 != '\r')
226 b64_putc ('\r', fout);
234 static void encode_8bit (fgetconv_t * fc, FILE * fout,
235 int istext __attribute__ ((unused)))
239 while ((ch = fgetconv (fc)) != EOF)
244 int mutt_write_mime_header (BODY * a, FILE * f)
253 fprintf (f, "Content-Type: %s/%s", TYPE (a), a->subtype);
258 len = 25 + m_strlen(a->subtype); /* approximate len. of content-type */
260 for (p = a->parameter; p; p = p->next) {
269 tmp = m_strdup(p->value);
270 encode = rfc2231_encode_string (&tmp);
271 rfc822_strcpy(buffer, sizeof(buffer), tmp, MimeSpecials);
273 /* Dirty hack to make messages readable by Outlook Express
274 * for the Mac: force quotes around the boundary parameter
275 * even when they aren't needed.
278 if (!ascii_strcasecmp (p->attribute, "boundary")
279 && !strcmp (buffer, tmp))
280 snprintf (buffer, sizeof (buffer), "\"%s\"", tmp);
284 tmplen = m_strlen(buffer) + m_strlen(p->attribute) + 1;
286 if (len + tmplen + 2 > 76) {
295 fprintf (f, "%s%s=%s", p->attribute, encode ? "*" : "", buffer);
303 fprintf (f, "Content-Description: %s\n", a->description);
305 #define DISPOSITION(X) X==DISPATTACH?"attachment":"inline"
306 fprintf (f, "Content-Disposition: %s", DISPOSITION (a->disposition));
309 if (!(fn = a->d_filename))
315 /* Strip off the leading path... */
316 if ((t = strrchr (fn, '/')))
323 encode = rfc2231_encode_string (&tmp);
324 rfc822_strcpy(buffer, sizeof(buffer), tmp, MimeSpecials);
326 fprintf (f, "; filename%s=%s", encode ? "*" : "", buffer);
332 if (a->encoding != ENC7BIT)
333 fprintf (f, "Content-Transfer-Encoding: %s\n", ENCODING (a->encoding));
335 /* Do NOT add the terminator here!!! */
336 return (ferror (f) ? -1 : 0);
339 int mutt_write_mime_body (BODY * a, FILE * f)
342 char boundary[SHORT_STRING];
343 char send_charset[SHORT_STRING];
348 if (a->type == TYPEMULTIPART) {
349 /* First, find the boundary to use */
350 if (!(p = parameter_getval(a->parameter, "boundary"))) {
351 mutt_error _("No boundary parameter found! [report this error]");
355 m_strcpy(boundary, sizeof(boundary), p);
357 for (t = a->parts; t; t = t->next) {
358 fprintf (f, "\n--%s\n", boundary);
359 if (mutt_write_mime_header (t, f) == -1)
362 if (mutt_write_mime_body (t, f) == -1)
365 fprintf (f, "\n--%s--\n", boundary);
366 return (ferror (f) ? -1 : 0);
369 /* This is pretty gross, but it's the best solution for now... */
370 if (a->type == TYPEAPPLICATION && !m_strcmp(a->subtype, "pgp-encrypted")) {
371 fputs ("Version: 1\n", f);
375 if ((fpin = fopen (a->filename, "r")) == NULL) {
376 mutt_error (_("%s no longer exists!"), a->filename);
380 if (a->type == TYPETEXT && (!a->noconv))
381 fc = fgetconv_open (fpin, a->file_charset,
382 mutt_get_body_charset (send_charset,
383 sizeof (send_charset), a), 0);
385 fc = fgetconv_open (fpin, 0, 0, 0);
387 #define write_as_text_part(a) (mutt_is_text_part(a) || mutt_is_application_pgp(a))
388 if (a->encoding == ENCQUOTEDPRINTABLE)
389 encode_quoted (fc, f, write_as_text_part (a));
390 else if (a->encoding == ENCBASE64)
391 encode_base64 (fc, f, write_as_text_part (a));
392 else if (a->type == TYPETEXT && (!a->noconv))
393 encode_8bit (fc, f, write_as_text_part (a));
395 mutt_copy_stream (fpin, f);
396 #undef write_as_text_part
398 fgetconv_close (&fc);
401 return (ferror (f) ? -1 : 0);
413 static void update_content_info (CONTENT * info, CONTENT_STATE * s, char *d,
417 int whitespace = s->whitespace;
419 int linelen = s->linelen;
420 int was_cr = s->was_cr;
422 if (!d) { /* This signals EOF */
425 if (linelen > info->linemax)
426 info->linemax = linelen;
431 for (; dlen; d++, dlen--) {
444 if (linelen > info->linemax)
445 info->linemax = linelen;
460 if (linelen > info->linemax)
461 info->linemax = linelen;
466 else if (ch == '\r') {
474 else if (ch == '\t' || ch == '\f') {
478 else if (ch < 32 || ch == 127)
482 if ((ch == 'F') || (ch == 'f'))
492 if (linelen == 2 && ch != 'r')
494 else if (linelen == 3 && ch != 'o')
496 else if (linelen == 4) {
509 if (ch != ' ' && ch != '\t')
514 s->whitespace = whitespace;
516 s->linelen = linelen;
522 * Find the best charset conversion of the file from fromcode into one
523 * of the tocodes. If successful, set *tocode and CONTENT *info and
524 * return the number of characters converted inexactly. If no
525 * conversion was possible, return -1.
527 * We convert via UTF-8 in order to avoid the condition -1(EINVAL),
528 * which would otherwise prevent us from knowing the number of inexact
529 * conversions. Where the candidate target charset is UTF-8 we avoid
530 * doing the second conversion because iconv_open("UTF-8", "UTF-8")
531 * fails with some libraries.
533 * We assume that the output from iconv is never more than 4 times as
534 * long as the input for any pair of charsets we might be interested
537 static ssize_t convert_file_to (FILE * file, const char *fromcode,
538 int ncodes, const char **tocodes,
539 int *tocode, CONTENT * info)
543 char bufi[256], bufu[512], bufo[4 * sizeof (bufi)];
546 ssize_t ibl, obl, ubl, ubl1, n, ret;
549 CONTENT_STATE *states;
552 cd1 = mutt_iconv_open ("UTF-8", fromcode, 0);
553 if (cd1 == MUTT_ICONV_ERROR)
556 cd = p_new(iconv_t, ncodes);
557 score = p_new(ssize_t, ncodes);
558 states = p_new(CONTENT_STATE, ncodes);
559 infos = p_new(CONTENT, ncodes);
561 for (i = 0; i < ncodes; i++)
562 if (ascii_strcasecmp (tocodes[i], "UTF-8"))
563 cd[i] = mutt_iconv_open (tocodes[i], "UTF-8", 0);
565 /* Special case for conversion to UTF-8 */
566 cd[i] = MUTT_ICONV_ERROR, score[i] = -1;
572 /* Try to fill input buffer */
573 n = fread (bufi + ibl, 1, sizeof (bufi) - ibl, file);
576 /* Convert to UTF-8 */
578 ob = bufu, obl = sizeof (bufu);
579 n = my_iconv(cd1, ibl ? &ib : 0, &ibl, &ob, &obl);
580 if (n == -1 && ((errno != EINVAL && errno != E2BIG) || ib == bufi)) {
586 /* Convert from UTF-8 */
587 for (i = 0; i < ncodes; i++)
588 if (cd[i] != MUTT_ICONV_ERROR && score[i] != -1) {
589 ub = bufu, ubl = ubl1;
590 ob = bufo, obl = sizeof (bufo);
591 n = my_iconv(cd[i], (ibl || ubl) ? &ub : 0, &ubl, &ob, &obl);
597 update_content_info (&infos[i], &states[i], bufo, ob - bufo);
600 else if (cd[i] == MUTT_ICONV_ERROR && score[i] == -1)
601 /* Special case for conversion to UTF-8 */
602 update_content_info (&infos[i], &states[i], bufu, ubl1);
605 /* Save unused input */
606 memmove (bufi, ib, ibl);
607 else if (!ubl1 && ib < bufi + sizeof (bufi)) {
614 /* Find best score */
616 for (i = 0; i < ncodes; i++) {
617 if (cd[i] == MUTT_ICONV_ERROR && score[i] == -1) {
618 /* Special case for conversion to UTF-8 */
623 else if (cd[i] == MUTT_ICONV_ERROR || score[i] == -1)
625 else if (ret == -1 || score[i] < ret) {
633 memcpy (info, &infos[*tocode], sizeof (CONTENT));
634 update_content_info (info, &states[*tocode], 0, 0); /* EOF */
638 for (i = 0; i < ncodes; i++)
639 if (cd[i] != MUTT_ICONV_ERROR)
651 #endif /* !HAVE_ICONV */
655 * Find the first of the fromcodes that gives a valid conversion and
656 * the best charset conversion of the file into one of the tocodes. If
657 * successful, set *fromcode and *tocode to dynamically allocated
658 * strings, set CONTENT *info, and return the number of characters
659 * converted inexactly. If no conversion was possible, return -1.
661 * Both fromcodes and tocodes may be colon-separated lists of charsets.
662 * However, if fromcode is zero then fromcodes is assumed to be the
663 * name of a single charset even if it contains a colon.
665 static ssize_t convert_file_from_to (FILE * file,
666 const char *fromcodes,
667 const char *tocodes, char **fromcode,
668 char **tocode, CONTENT * info)
676 /* Count the tocodes */
678 for (c = tocodes; c; c = c1 ? c1 + 1 : 0) {
679 if ((c1 = strchr (c, ':')) == c)
685 tcode = p_new(char *, ncodes);
686 for (c = tocodes, i = 0; c; c = c1 ? c1 + 1 : 0, i++) {
687 if ((c1 = strchr (c, ':')) == c)
689 tcode[i] = m_substrdup(c, c1);
694 /* Try each fromcode in turn */
695 for (c = fromcodes; c; c = c1 ? c1 + 1 : 0) {
696 if ((c1 = strchr (c, ':')) == c)
698 fcode = m_substrdup(c, c1);
700 ret = convert_file_to (file, fcode, ncodes, (const char **) tcode,
712 /* There is only one fromcode */
713 ret = convert_file_to (file, fromcodes, ncodes, (const char **) tcode,
722 for (i = 0; i < ncodes; i++)
731 * Analyze the contents of a file to determine which MIME encoding to use.
732 * Also set the body charset, sometimes, or not.
734 CONTENT *mutt_get_content_info (const char *fname, BODY * b)
739 char *fromcode = NULL;
750 if (stat (fname, &sb) == -1) {
751 mutt_error (_("Can't stat %s: %s"), fname, strerror (errno));
755 if (!S_ISREG (sb.st_mode)) {
756 mutt_error (_("%s isn't a regular file."), fname);
760 if ((fp = fopen (fname, "r")) == NULL) {
764 info = p_new(CONTENT, 1);
767 if (b != NULL && b->type == TYPETEXT && (!b->noconv && !b->force_charset)) {
768 const char *chs = parameter_getval(b->parameter, "charset");
769 char *fchs = b->use_disp ? ((FileCharset && *FileCharset) ?
770 FileCharset : Charset) : Charset;
771 if (Charset && (chs || SendCharset) &&
772 convert_file_from_to (fp, fchs, chs ? chs : SendCharset,
773 &fromcode, &tocode, info) != -1) {
775 charset_canonicalize (chsbuf, sizeof (chsbuf), tocode);
776 parameter_setval(&b->parameter, "charset", chsbuf);
778 b->file_charset = fromcode;
786 while ((r = fread (buffer, 1, sizeof (buffer), fp)))
787 update_content_info (info, &state, buffer, r);
788 update_content_info (info, &state, 0, 0);
792 if (b != NULL && b->type == TYPETEXT && (!b->noconv && !b->force_charset))
793 parameter_setval(&b->parameter, "charset",
794 (!info->hibin ? "us-ascii"
795 : Charset && !charset_is_us_ascii(Charset) ? Charset : "unknown-8bit"));
800 /* Given a file with path ``s'', see if there is a registered MIME type.
801 * returns the major MIME type, and copies the subtype to ``d''. First look
802 * for ~/.mime.types, then look in a system mime.types if we can find one.
803 * The longest match is used so that we can match `ps.gz' when `gz' also
807 int mutt_lookup_mime_type (BODY * att, const char *path)
811 char buf[LONG_STRING];
812 char subtype[STRING], xtype[STRING];
814 int szf, sze, cur_sze;
822 szf = m_strlen(path);
824 for (count = 0; count < 4; count++) {
826 * can't use strtok() because we use it in an inner loop below, so use
827 * a switch statement here instead.
831 snprintf (buf, sizeof (buf), "%s/.mime.types", NONULL (Homedir));
834 m_strcpy(buf, sizeof(buf), SYSCONFDIR "/madmutt-mime.types");
837 m_strcpy(buf, sizeof(buf), PKGDATADIR "/mime.types");
840 m_strcpy(buf, sizeof(buf), SYSCONFDIR "/mime.types");
843 goto bye; /* shouldn't happen */
846 if ((f = fopen (buf, "r")) != NULL) {
847 while (fgets (buf, sizeof (buf) - 1, f) != NULL) {
848 /* weed out any comments */
849 if ((p = strchr (buf, '#')))
852 /* remove any leading space. */
853 ct = vskipspaces(buf);
855 /* position on the next field in this line */
856 if ((p = strpbrk (ct, " \t")) == NULL)
861 /* cycle through the file extensions */
862 while ((p = strtok (p, " \t\n"))) {
864 if ((sze > cur_sze) && (szf >= sze) &&
865 (m_strcasecmp(path + szf - sze, p) == 0
866 || ascii_strcasecmp (path + szf - sze, p) == 0)
867 && (szf == sze || path[szf - sze - 1] == '.'))
869 /* get the content-type */
871 if ((p = strchr (ct, '/')) == NULL) {
872 /* malformed line, just skip it. */
877 for (q = p; *q && !ISSPACE (*q); q++);
879 m_strncpy(subtype, sizeof(subtype), p, q - p);
881 if ((type = mutt_check_mime_type (ct)) == TYPEOTHER)
882 m_strcpy(xtype, sizeof(xtype), ct);
895 if (type != TYPEOTHER || *xtype != '\0') {
897 m_strreplace(&att->subtype, subtype);
898 m_strreplace(&att->xtype, xtype);
904 void mutt_message_to_7bit (BODY * a, FILE * fp)
906 char temp[_POSIX_PATH_MAX];
912 if (!a->filename && fp)
914 else if (!a->filename || !(fpin = fopen (a->filename, "r"))) {
915 mutt_error (_("Could not open %s"), a->filename ? a->filename : "(null)");
920 if (stat (a->filename, &sb) == -1) {
921 mutt_perror ("stat");
924 a->length = sb.st_size;
927 fpout = m_tempfile(temp, sizeof(temp), NONULL(Tempdir), NULL);
929 mutt_error(_("Could not create temporary file"));
933 fseeko (fpin, a->offset, 0);
934 a->parts = mutt_parse_messageRFC822 (fpin, a);
936 transform_to_7bit (a->parts, fpin);
938 mutt_copy_hdr (fpin, fpout, a->offset, a->offset + a->length,
939 CH_MIME | CH_NONEWLINE | CH_XMIT, NULL);
941 fputs ("MIME-Version: 1.0\n", fpout);
942 mutt_write_mime_header (a->parts, fpout);
944 mutt_write_mime_body (a->parts, fpout);
956 a->encoding = ENC7BIT;
957 a->d_filename = a->filename;
958 if (a->filename && a->unlink)
959 unlink (a->filename);
960 a->filename = m_strdup(temp);
962 if (stat (a->filename, &sb) == -1) {
963 mutt_perror ("stat");
966 a->length = sb.st_size;
967 body_list_wipe(&a->parts);
968 a->hdr->content = NULL;
971 static void transform_to_7bit (BODY * a, FILE * fpin)
973 char buff[_POSIX_PATH_MAX];
978 for (; a; a = a->next) {
979 if (a->type == TYPEMULTIPART) {
980 if (a->encoding != ENC7BIT)
981 a->encoding = ENC7BIT;
983 transform_to_7bit (a->parts, fpin);
985 else if (mutt_is_message_type (a->type, a->subtype)) {
986 mutt_message_to_7bit (a, fpin);
990 a->force_charset = 1;
992 s.fpout = m_tempfile(buff, sizeof(buff), NONULL(Tempdir), NULL);
994 mutt_error(_("Could not create temporary file"));
998 mutt_decode_attachment (a, &s);
1000 a->d_filename = a->filename;
1001 a->filename = m_strdup(buff);
1003 if (stat (a->filename, &sb) == -1) {
1004 mutt_perror ("stat");
1007 a->length = sb.st_size;
1009 mutt_update_encoding (a);
1010 if (a->encoding == ENC8BIT)
1011 a->encoding = ENCQUOTEDPRINTABLE;
1012 else if (a->encoding == ENCBINARY)
1013 a->encoding = ENCBASE64;
1018 /* determine which Content-Transfer-Encoding to use */
1019 static void mutt_set_encoding (BODY * b, CONTENT * info)
1021 char send_charset[SHORT_STRING];
1023 if (b->type == TYPETEXT) {
1025 mutt_get_body_charset (send_charset, sizeof (send_charset), b);
1026 if ((info->lobin && ascii_strncasecmp (chsname, "iso-2022", 8))
1027 || info->linemax > 990 || (info->from && option (OPTENCODEFROM)))
1028 b->encoding = ENCQUOTEDPRINTABLE;
1029 else if (info->hibin)
1030 b->encoding = option (OPTALLOW8BIT) ? ENC8BIT : ENCQUOTEDPRINTABLE;
1032 b->encoding = ENC7BIT;
1034 else if (b->type == TYPEMESSAGE || b->type == TYPEMULTIPART) {
1035 if (info->lobin || info->hibin) {
1036 if (option (OPTALLOW8BIT) && !info->lobin)
1037 b->encoding = ENC8BIT;
1039 mutt_message_to_7bit (b, NULL);
1042 b->encoding = ENC7BIT;
1044 else if (b->type == TYPEAPPLICATION
1045 && ascii_strcasecmp (b->subtype, "pgp-keys") == 0)
1046 b->encoding = ENC7BIT;
1049 /* Determine which encoding is smaller */
1050 if (1.33 * (float) (info->lobin + info->hibin + info->ascii) <
1051 3.0 * (float) (info->lobin + info->hibin) + (float) info->ascii)
1052 b->encoding = ENCBASE64;
1054 b->encoding = ENCQUOTEDPRINTABLE;
1058 void mutt_stamp_attachment (BODY * a)
1060 a->stamp = time (NULL);
1063 /* Get a body's character set */
1065 char *mutt_get_body_charset(char *d, ssize_t dlen, BODY * b)
1069 if (b && b->type != TYPETEXT)
1072 p = b ? parameter_getval(b->parameter, "charset") : NULL;
1073 charset_canonicalize(d, dlen, p);
1078 /* Assumes called from send mode where BODY->filename points to actual file */
1079 void mutt_update_encoding (BODY * a)
1082 char chsbuff[STRING];
1084 /* override noconv when it's us-ascii */
1085 if (charset_is_us_ascii (mutt_get_body_charset (chsbuff, sizeof (chsbuff), a)))
1088 if (!a->force_charset && !a->noconv)
1089 parameter_delval(&a->parameter, "charset");
1091 if ((info = mutt_get_content_info (a->filename, a)) == NULL)
1094 mutt_set_encoding (a, info);
1095 mutt_stamp_attachment (a);
1097 p_delete(&a->content);
1102 BODY *mutt_make_message_attach (CONTEXT * ctx, HEADER * hdr, int attach_msg)
1104 char buffer[LONG_STRING];
1107 int cmflags, chflags;
1108 int pgp = hdr->security;
1110 if ((option (OPTMIMEFORWDECODE) || option (OPTFORWDECRYPT)) &&
1111 (hdr->security & ENCRYPT)) {
1112 if (!crypt_valid_passphrase (hdr->security))
1116 fp = m_tempfile(buffer, sizeof(buffer), NONULL(Tempdir), NULL);
1121 body->type = TYPEMESSAGE;
1122 body->subtype = m_strdup("rfc822");
1123 body->filename = m_strdup(buffer);
1126 body->disposition = DISPINLINE;
1129 mutt_parse_mime_message (ctx, hdr);
1134 /* If we are attaching a message, ignore OPTMIMEFORWDECODE */
1135 if (!attach_msg && option (OPTMIMEFORWDECODE)) {
1136 chflags |= CH_MIME | CH_TXTPLAIN;
1137 cmflags = M_CM_DECODE | M_CM_CHARCONV;
1138 pgp &= ~(PGPENCRYPT|SMIMEENCRYPT);
1140 else if (option (OPTFORWDECRYPT) && (hdr->security & ENCRYPT)) {
1141 if (mutt_is_multipart_encrypted (hdr->content)) {
1142 chflags |= CH_MIME | CH_NONEWLINE;
1143 cmflags = M_CM_DECODE_PGP;
1146 else if (mutt_is_application_pgp (hdr->content) & PGPENCRYPT) {
1147 chflags |= CH_MIME | CH_TXTPLAIN;
1148 cmflags = M_CM_DECODE | M_CM_CHARCONV;
1151 else if (mutt_is_application_smime (hdr->content) & SMIMEENCRYPT) {
1152 chflags |= CH_MIME | CH_TXTPLAIN;
1153 cmflags = M_CM_DECODE | M_CM_CHARCONV;
1154 pgp &= ~SMIMEENCRYPT;
1158 mutt_copy_message (fp, ctx, hdr, cmflags, chflags);
1163 body->hdr = header_new();
1164 body->hdr->offset = 0;
1165 /* we don't need the user headers here */
1166 body->hdr->env = mutt_read_rfc822_header (fp, body->hdr, 0, 0);
1167 body->hdr->security = pgp;
1168 mutt_update_encoding (body);
1169 body->parts = body->hdr->content;
1176 BODY *mutt_make_file_attach (const char *path)
1182 att->filename = m_strdup(path);
1184 /* Attempt to determine the appropriate content-type based on the filename
1187 mutt_lookup_mime_type (att, path);
1189 if ((info = mutt_get_content_info (path, att)) == NULL) {
1190 body_list_wipe(&att);
1194 if (!att->subtype) {
1195 if (info->lobin == 0
1196 || (info->lobin + info->hibin + info->ascii) / info->lobin >= 10) {
1198 * Statistically speaking, there should be more than 10% "lobin"
1199 * chars if this is really a binary file...
1201 att->type = TYPETEXT;
1202 att->subtype = m_strdup("plain");
1204 att->type = TYPEAPPLICATION;
1205 att->subtype = m_strdup("octet-stream");
1209 mutt_update_encoding (att);
1213 static int get_toplevel_encoding (BODY * a)
1217 for (; a; a = a->next) {
1218 if (a->encoding == ENCBINARY)
1220 else if (a->encoding == ENC8BIT)
1227 BODY *mutt_make_multipart (BODY * b)
1232 new->type = TYPEMULTIPART;
1233 new->subtype = m_strdup("mixed");
1234 new->encoding = get_toplevel_encoding (b);
1235 parameter_set_boundary(&new->parameter);
1237 new->disposition = DISPINLINE;
1243 /* remove the multipart body if it exists */
1244 BODY *mutt_remove_multipart (BODY * b)
1257 char *mutt_make_date (char *s, ssize_t len)
1259 time_t t = time (NULL);
1260 struct tm *l = localtime (&t);
1261 time_t tz = mutt_local_tz (t);
1265 snprintf (s, len, "Date: %s, %d %s %d %02d:%02d:%02d %+03d%02d\n",
1266 Weekdays[l->tm_wday], l->tm_mday, Months[l->tm_mon],
1267 l->tm_year + 1900, l->tm_hour, l->tm_min, l->tm_sec,
1268 (int) tz / 60, (int) abs (tz) % 60);
1272 /* wrapper around mutt_write_address() so we can handle very large
1273 recipient lists without needing a huge temporary buffer in memory */
1274 void mutt_write_address_list (address_t * adr, FILE * fp, int linelen,
1278 char buf[LONG_STRING];
1286 rfc822_write_address (buf, sizeof (buf), adr, display);
1287 len = m_strlen(buf);
1288 if (count && linelen + len > 74) {
1290 linelen = len + 8; /* tab is usually about 8 spaces... */
1293 if (count && adr->mailbox) {
1301 if (!adr->group && adr->next && adr->next->mailbox) {
1311 /* need to write the list in reverse because they are stored in reverse order
1312 * when parsed to speed up threading
1314 void mutt_write_references(string_list_t *r, FILE *f)
1316 string_list_t *refs[10];
1319 p_clear(refs, countof(refs));
1320 for (i = 0; i < countof(refs) && r; r = r->next) {
1325 fprintf(f, " %s", refs[i]->data);
1329 static int edit_header(int mode, const char *s)
1332 int slen = m_strlen(s);
1334 if (mode != 1 || option(OPTXMAILTO))
1337 p = skipspaces(EditorHeaders);
1339 if (!ascii_strncasecmp(p, s, slen) && p[slen - 1] == ':')
1341 p = skipspaces(p + slen);
1347 /* Note: all RFC2047 encoding should be done outside of this routine, except
1348 * for the "real name." This will allow this routine to be used more than
1349 * once, if necessary.
1351 * Likewise, all IDN processing should happen outside of this routine.
1353 * mode == 1 => "lite" mode (used for edit_hdrs)
1354 * mode == 0 => normal mode. write full header + MIME headers
1355 * mode == -1 => write just the envelope info (used for postponing messages)
1357 * privacy != 0 => will omit any headers which may identify the user.
1358 * Output generated is suitable for being sent through
1359 * anonymous remailer chains.
1363 int mutt_write_rfc822_header (FILE * fp, ENVELOPE * env, BODY * attach,
1364 int mode, int privacy)
1366 char buffer[LONG_STRING];
1368 string_list_t *tmp = env->userhdrs;
1369 int has_agent = 0; /* user defined user-agent header field exists */
1372 if (!option (OPTNEWSSEND))
1374 if (mode == 0 && !privacy)
1375 fputs (mutt_make_date (buffer, sizeof (buffer)), fp);
1377 /* OPTUSEFROM is not consulted here so that we can still write a From:
1378 * field if the user sets it with the `my_hdr' command
1380 if (env->from && !privacy) {
1382 rfc822_write_address (buffer, sizeof (buffer), env->from, 0);
1383 fprintf (fp, "From: %s\n", buffer);
1388 mutt_write_address_list (env->to, fp, 4, 0);
1392 if (!option (OPTNEWSSEND))
1394 if (edit_header(mode, "To:"))
1395 fputs ("To:\n", fp);
1399 mutt_write_address_list (env->cc, fp, 4, 0);
1403 if (!option (OPTNEWSSEND))
1405 if (edit_header(mode, "Cc:"))
1406 fputs ("Cc:\n", fp);
1409 if (mode != 0 || option (OPTWRITEBCC)) {
1410 fputs ("Bcc: ", fp);
1411 mutt_write_address_list (env->bcc, fp, 5, 0);
1416 if (!option (OPTNEWSSEND))
1418 if (edit_header(mode, "Bcc:"))
1419 fputs ("Bcc:\n", fp);
1422 if (env->newsgroups)
1423 fprintf (fp, "Newsgroups: %s\n", env->newsgroups);
1424 else if (mode == 1 && option (OPTNEWSSEND) && edit_header(mode, "Newsgroups:"))
1425 fputs ("Newsgroups:\n", fp);
1427 if (env->followup_to)
1428 fprintf (fp, "Followup-To: %s\n", env->followup_to);
1429 else if (mode == 1 && option (OPTNEWSSEND) && edit_header(mode, "Followup-To:"))
1430 fputs ("Followup-To:\n", fp);
1432 if (env->x_comment_to)
1433 fprintf (fp, "X-Comment-To: %s\n", env->x_comment_to);
1434 else if (mode == 1 && option (OPTNEWSSEND) && option (OPTXCOMMENTTO) &&
1435 edit_header(mode, "X-Comment-To:"))
1436 fputs ("X-Comment-To:\n", fp);
1440 fprintf (fp, "Subject: %s\n", env->subject);
1441 else if (mode == 1 && edit_header(mode, "Subject:"))
1442 fputs ("Subject:\n", fp);
1444 /* save message id if the user has set it */
1445 if (env->message_id && !privacy)
1446 fprintf (fp, "Message-ID: %s\n", env->message_id);
1448 if (env->reply_to) {
1449 fputs ("Reply-To: ", fp);
1450 mutt_write_address_list (env->reply_to, fp, 10, 0);
1452 else if (mode > 0 && edit_header(mode, "Reply-To:"))
1453 fputs ("Reply-To:\n", fp);
1455 if (env->mail_followup_to)
1457 if (!option (OPTNEWSSEND))
1460 fputs ("Mail-Followup-To: ", fp);
1461 mutt_write_address_list (env->mail_followup_to, fp, 18, 0);
1465 if (env->references) {
1466 fputs ("References:", fp);
1467 mutt_write_references (env->references, fp);
1471 /* Add the MIME headers */
1472 fputs ("MIME-Version: 1.0\n", fp);
1473 mutt_write_mime_header (attach, fp);
1476 if (env->in_reply_to) {
1477 fputs ("In-Reply-To:", fp);
1478 mutt_write_references (env->in_reply_to, fp);
1482 /* Add any user defined headers */
1483 for (; tmp; tmp = tmp->next) {
1484 if ((p = strchr (tmp->data, ':'))) {
1485 p = vskipspaces(p + 1);
1487 continue; /* don't emit empty fields. */
1489 /* check to see if the user has overridden the user-agent field */
1490 if (!ascii_strncasecmp ("user-agent", tmp->data, 10)) {
1496 fputs (tmp->data, fp);
1501 if (mode == 0 && !privacy && option (OPTXMAILER) && !has_agent) {
1504 if (OperatingSystem != NULL) {
1505 os = OperatingSystem;
1508 os = (uname(&un) == -1) ? "UNIX" : un.sysname;
1510 /* Add a vanity header */
1511 fprintf (fp, "User-Agent: %s (%s)\n", mutt_make_version (0), os);
1514 return (ferror (fp) == 0 ? 0 : -1);
1517 static void encode_headers (string_list_t * h)
1523 for (; h; h = h->next) {
1524 if (!(p = strchr (h->data, ':')))
1528 p = vskipspaces(p + 1);
1534 rfc2047_encode_string (&tmp);
1535 p_realloc(&h->data, m_strlen(h->data) + 2 + m_strlen(tmp) + 1);
1537 sprintf (h->data + i, ": %s", NONULL (tmp)); /* __SPRINTF_CHECKED__ */
1543 const char *mutt_fqdn (short may_hide_host)
1547 if (Fqdn && Fqdn[0] != '@') {
1550 if (may_hide_host && option (OPTHIDDENHOST)) {
1551 if ((p = strchr (Fqdn, '.')))
1554 /* sanity check: don't hide the host if
1555 * the fqdn is something like detebe.org.
1558 if (!p || !(q = strchr (p, '.')))
1566 static void mutt_gen_localpart(char *buf, unsigned int len, const char *fmt)
1568 #define APPEND_FMT(fmt, arg) \
1570 int snlen = snprintf(buf, len, fmt, arg); \
1575 #define APPEND_BYTE(c) \
1589 static char MsgIdPfx = 'A';
1593 /* normalized character (we're stricter than RFC2822, 3.6.4) */
1594 APPEND_BYTE((isalnum(c) || strchr(".!#$%&'*+-/=?^_`{|}~", c)) ? c : '.');
1602 APPEND_FMT("%02d", tm->tm_mday);
1605 APPEND_FMT("%02d", tm->tm_hour);
1608 APPEND_FMT("%02d", tm->tm_mon + 1);
1611 APPEND_FMT("%02d", tm->tm_min);
1614 APPEND_FMT("%lo", (unsigned long)now);
1617 APPEND_FMT("%u", (unsigned int)getpid());
1620 APPEND_FMT("%c", MsgIdPfx);
1621 MsgIdPfx = (MsgIdPfx == 'Z') ? 'A' : MsgIdPfx + 1;
1624 APPEND_FMT("%u", (unsigned int)rand());
1627 APPEND_FMT("%x", (unsigned int)rand());
1630 APPEND_FMT("%02d", tm->tm_sec);
1633 APPEND_FMT("%u", (unsigned int) now);
1636 APPEND_FMT("%x", (unsigned int) now);
1638 case 'Y': /* this will break in the year 10000 ;-) */
1639 APPEND_FMT("%04d", tm->tm_year + 1900);
1644 default: /* invalid formats are replaced by '.' */
1655 static char *mutt_gen_msgid (void)
1657 char buf[SHORT_STRING];
1658 char localpart[SHORT_STRING];
1661 if (!(fqdn = mutt_fqdn(0)))
1662 fqdn = NONULL(Hostname);
1664 mutt_gen_localpart(localpart, sizeof(localpart), MsgIdFormat);
1665 snprintf(buf, sizeof(buf), "<%s@%s>", localpart, fqdn);
1666 return m_strdup(buf);
1669 static RETSIGTYPE alarm_handler (int sig __attribute__ ((unused)))
1674 /* invoke sendmail in a subshell
1675 path (in) path to program to execute
1676 args (in) arguments to pass to program
1677 msg (in) temp file containing message to send
1678 tempfile (out) if sendmail is put in the background, this points
1679 to the temporary file containing the stdout of the
1682 send_msg(const char *path, const char **args, const char *msg, char **tempfile)
1688 mutt_block_signals_system ();
1691 /* we also don't want to be stopped right now */
1692 sigaddset (&set, SIGTSTP);
1693 sigprocmask (SIG_BLOCK, &set, NULL);
1695 if (SendmailWait >= 0) {
1696 char tmp[_POSIX_PATH_MAX];
1699 *tempfile = m_strdup(tmp);
1702 if ((pid = fork ()) == 0) {
1703 struct sigaction act, oldalrm;
1705 /* save parent's ID before setsid() */
1708 /* we want the delivery to continue even after the main process dies,
1709 * so we put ourselves into another session right away
1713 /* next we close all open files */
1714 for (fd = 0; fd < getdtablesize(); fd++)
1717 /* now the second fork() */
1718 if ((pid = fork ()) == 0) {
1719 /* "msg" will be opened as stdin */
1720 if (open (msg, O_RDONLY, 0) < 0) {
1726 if (SendmailWait >= 0) {
1727 /* *tempfile will be opened as stdout */
1728 if (open (*tempfile, O_WRONLY | O_APPEND | O_CREAT | O_EXCL, 0600) <
1731 /* redirect stderr to *tempfile too */
1736 if (open ("/dev/null", O_WRONLY | O_APPEND) < 0) /* stdout */
1738 if (open ("/dev/null", O_RDWR | O_APPEND) < 0) /* stderr */
1742 execv (path, (char**)args);
1745 else if (pid == -1) {
1751 /* SendmailWait > 0: interrupt waitpid() after SendmailWait seconds
1752 * SendmailWait = 0: wait forever
1753 * SendmailWait < 0: don't wait
1755 if (SendmailWait > 0) {
1757 act.sa_handler = alarm_handler;
1759 /* need to make sure waitpid() is interrupted on SIGALRM */
1760 act.sa_flags = SA_INTERRUPT;
1764 sigemptyset (&act.sa_mask);
1765 sigaction (SIGALRM, &act, &oldalrm);
1766 alarm (SendmailWait);
1768 else if (SendmailWait < 0)
1769 _exit (0xff & EX_OK);
1771 if (waitpid (pid, &st, 0) > 0) {
1772 st = WIFEXITED (st) ? WEXITSTATUS (st) : S_ERR;
1773 if (SendmailWait && st == (0xff & EX_OK)) {
1774 unlink (*tempfile); /* no longer needed */
1779 st = (SendmailWait > 0 && errno == EINTR && SigAlrm) ? S_BKG : S_ERR;
1780 if (SendmailWait > 0) {
1786 /* reset alarm; not really needed, but... */
1788 sigaction (SIGALRM, &oldalrm, NULL);
1790 if (kill (ppid, 0) == -1 && errno == ESRCH) {
1791 /* the parent is already dead */
1799 sigprocmask (SIG_UNBLOCK, &set, NULL);
1801 if (pid != -1 && waitpid (pid, &st, 0) > 0)
1802 st = WIFEXITED (st) ? WEXITSTATUS (st) : S_ERR; /* return child status */
1804 st = S_ERR; /* error */
1806 mutt_unblock_signals_system (1);
1811 static const char **
1812 add_args(const char **args, ssize_t *argslen, ssize_t *argsmax, address_t * addr)
1814 for (; addr; addr = addr->next) {
1815 /* weed out group mailboxes, since those are for display only */
1816 if (addr->mailbox && !addr->group) {
1817 if (*argslen == *argsmax)
1818 p_realloc(&args, *argsmax += 5);
1819 args[(*argslen)++] = addr->mailbox;
1825 static const char **
1826 add_option(const char **args, ssize_t *argslen, ssize_t *argsmax, const char *s)
1828 if (*argslen == *argsmax) {
1829 p_realloc(&args, *argsmax += 5);
1831 args[(*argslen)++] = s;
1835 static int mutt_invoke_sendmail (address_t * from, /* the sender */
1836 address_t * to, address_t * cc, address_t * bcc, /* recips */
1837 const char *msg, /* file containing message */
1839 { /* message contains 8bit chars */
1840 char *ps = NULL, *path = NULL, *s = NULL, *childout = NULL;
1841 const char **args = NULL;
1842 ssize_t argslen = 0, argsmax = 0;
1846 if (option (OPTNEWSSEND)) {
1847 char cmd[LONG_STRING];
1849 mutt_FormatString (cmd, sizeof (cmd), NONULL (Inews), nntp_format_str, 0,
1851 if (m_strisempty(cmd)) {
1852 i = nntp_post (msg);
1861 s = m_strdup(Sendmail);
1865 while ((ps = strtok (ps, " "))) {
1866 if (argslen == argsmax)
1867 p_realloc(&args, argsmax += 5);
1870 args[argslen++] = ps;
1872 path = m_strdup(ps);
1873 ps = strrchr (ps, '/');
1878 args[argslen++] = ps;
1885 if (!option (OPTNEWSSEND)) {
1887 if (eightbit && option (OPTUSE8BITMIME))
1888 args = add_option(args, &argslen, &argsmax, "-B8BITMIME");
1890 if (option (OPTENVFROM)) {
1891 address_t *f = NULL;
1894 else if (from && !from->next)
1897 args = add_option (args, &argslen, &argsmax, "-f");
1898 args = add_args (args, &argslen, &argsmax, f);
1902 args = add_option (args, &argslen, &argsmax, "-N");
1903 args = add_option (args, &argslen, &argsmax, DsnNotify);
1906 args = add_option (args, &argslen, &argsmax, "-R");
1907 args = add_option (args, &argslen, &argsmax, DsnReturn);
1909 args = add_option (args, &argslen, &argsmax, "--");
1910 args = add_args (args, &argslen, &argsmax, to);
1911 args = add_args (args, &argslen, &argsmax, cc);
1912 args = add_args (args, &argslen, &argsmax, bcc);
1917 if (argslen == argsmax)
1918 p_realloc(&args, ++argsmax);
1920 args[argslen++] = NULL;
1922 if ((i = send_msg (path, args, msg, &childout)) != (EX_OK & 0xff)) {
1924 mutt_error (_("Error sending message, child exited %d (%s)."), i,
1929 if (stat (childout, &st) == 0 && st.st_size > 0)
1930 mutt_do_pager (_("Output of the delivery process"), childout, 0,
1938 p_delete(&childout);
1943 if (i == (EX_OK & 0xff))
1945 else if (i == S_BKG)
1952 int mutt_invoke_mta (address_t * from, /* the sender */
1953 address_t * to, address_t * cc, address_t * bcc, /* recips */
1954 const char *msg, /* file containing message */
1956 { /* message contains 8bit chars */
1959 if (!option (OPTNEWSSEND))
1962 return mutt_libesmtp_invoke (from, to, cc, bcc, msg, eightbit);
1965 return mutt_invoke_sendmail (from, to, cc, bcc, msg, eightbit);
1968 /* For postponing (!final) do the necessary encodings only */
1969 void mutt_prepare_envelope (ENVELOPE * env, int final)
1971 char buffer[LONG_STRING];
1974 if (env->bcc && !(env->to || env->cc)) {
1975 /* some MTA's will put an Apparently-To: header field showing the Bcc:
1976 * recipients if there is no To: or Cc: field, so attempt to suppress
1977 * it by using an empty To: field.
1979 env->to = address_new ();
1981 env->to->next = address_new ();
1984 rfc822_strcpy(buffer, sizeof(buffer), "undisclosed-recipients",
1987 env->to->mailbox = m_strdup(buffer);
1990 mutt_set_followup_to (env);
1992 if (!env->message_id && MsgIdFormat && *MsgIdFormat)
1993 env->message_id = mutt_gen_msgid ();
1996 /* Take care of 8-bit => 7-bit conversion. */
1997 rfc2047_encode_adrlist (env->to, "To");
1998 rfc2047_encode_adrlist (env->cc, "Cc");
1999 rfc2047_encode_adrlist (env->bcc, "Bcc");
2000 rfc2047_encode_adrlist (env->from, "From");
2001 rfc2047_encode_adrlist (env->mail_followup_to, "Mail-Followup-To");
2002 rfc2047_encode_adrlist (env->reply_to, "Reply-To");
2006 if (!option (OPTNEWSSEND) || option (OPTMIMESUBJECT))
2009 rfc2047_encode_string (&env->subject);
2011 encode_headers (env->userhdrs);
2014 void mutt_unprepare_envelope (ENVELOPE * env)
2016 string_list_t *item;
2018 for (item = env->userhdrs; item; item = item->next)
2019 rfc2047_decode (&item->data);
2021 address_list_wipe(&env->mail_followup_to);
2023 /* back conversions */
2024 rfc2047_decode_adrlist (env->to);
2025 rfc2047_decode_adrlist (env->cc);
2026 rfc2047_decode_adrlist (env->bcc);
2027 rfc2047_decode_adrlist (env->from);
2028 rfc2047_decode_adrlist (env->reply_to);
2029 rfc2047_decode (&env->subject);
2032 static int _mutt_bounce_message (FILE * fp, HEADER * h, address_t * to,
2033 const char *resent_from, address_t * env_from)
2037 char date[SHORT_STRING], tempfile[_POSIX_PATH_MAX];
2038 MESSAGE *msg = NULL;
2041 /* Try to bounce each message out, aborting if we get any failures. */
2042 for (i = 0; i < Context->msgcount; i++)
2043 if (Context->hdrs[i]->tagged)
2045 _mutt_bounce_message (fp, Context->hdrs[i], to, resent_from,
2050 /* If we failed to open a message, return with error */
2051 if (!fp && (msg = mx_open_message (Context, h->msgno)) == NULL)
2057 f = m_tempfile(tempfile, sizeof(tempfile), NONULL(Tempdir), NULL);
2059 int ch_flags = CH_XMIT | CH_NONEWLINE | CH_NOQFROM;
2061 if (!option (OPTBOUNCEDELIVERED))
2062 ch_flags |= CH_WEED_DELIVERED;
2064 fseeko (fp, h->offset, 0);
2065 fprintf (f, "Resent-From: %s", resent_from);
2066 fprintf (f, "\nResent-%s", mutt_make_date (date, sizeof (date)));
2067 if (MsgIdFormat && *MsgIdFormat)
2068 fprintf (f, "Resent-Message-ID: %s\n", mutt_gen_msgid ());
2069 fputs ("Resent-To: ", f);
2070 mutt_write_address_list (to, f, 11, 0);
2071 mutt_copy_header (fp, h, f, ch_flags, NULL);
2073 mutt_copy_bytes (fp, f, h->content->length);
2076 ret = mutt_invoke_mta(env_from, to, NULL, NULL, tempfile,
2077 h->content->encoding == ENC8BIT);
2081 mx_close_message (&msg);
2086 int mutt_bounce_message (FILE * fp, HEADER * h, address_t * to)
2089 const char *fqdn = mutt_fqdn (1);
2090 char resent_from[STRING];
2094 resent_from[0] = '\0';
2095 from = mutt_default_from ();
2098 rfc822_qualify (from, fqdn);
2100 rfc2047_encode_adrlist (from, "Resent-From");
2101 if (mutt_addrlist_to_idna (from, &err)) {
2102 mutt_error (_("Bad IDN %s while preparing resent-from."), err);
2105 rfc822_write_address (resent_from, sizeof (resent_from), from, 0);
2108 unset_option (OPTNEWSSEND);
2111 ret = _mutt_bounce_message (fp, h, to, resent_from, from);
2113 address_list_wipe(&from);
2118 static void set_noconv_flags (BODY * b, short flag)
2120 for (; b; b = b->next) {
2121 if (b->type == TYPEMESSAGE || b->type == TYPEMULTIPART)
2122 set_noconv_flags (b->parts, flag);
2123 else if (b->type == TYPETEXT && b->noconv) {
2124 parameter_setval(&b->parameter, "x-mutt-noconv", flag ? "yes" : NULL);
2129 int mutt_write_fcc (const char *path, HEADER * hdr, const char *msgid,
2130 int post, char *fcc)
2134 char tempfile[_POSIX_PATH_MAX];
2135 FILE *tempfp = NULL;
2139 set_noconv_flags (hdr->content, 1);
2141 if (mx_open_mailbox (path, M_APPEND | M_QUIET, &f) == NULL) {
2145 /* We need to add a Content-Length field to avoid problems where a line in
2146 * the message body begins with "From "
2148 if (f.magic == M_MMDF || f.magic == M_MBOX) {
2149 tempfp = m_tempfile(tempfile, sizeof(tempfile), NONULL(Tempdir), NULL);
2151 mutt_error(_("Could not create temporary file"));
2152 mx_close_mailbox (&f, NULL);
2157 hdr->read = !post; /* make sure to put it in the `cur' directory (maildir) */
2158 if ((msg = mx_open_new_message (&f, hdr, M_ADD_FROM)) == NULL) {
2159 mx_close_mailbox (&f, NULL);
2163 /* post == 1 => postpone message. Set mode = -1 in mutt_write_rfc822_header()
2164 * post == 0 => Normal mode. Set mode = 0 in mutt_write_rfc822_header()
2166 mutt_write_rfc822_header (msg->fp, hdr->env, hdr->content, post ? -post : 0,
2169 /* (postponment) if this was a reply of some sort, <msgid> contians the
2170 * Message-ID: of message replied to. Save it using a special X-Mutt-
2171 * header so it can be picked up if the message is recalled at a later
2172 * point in time. This will allow the message to be marked as replied if
2173 * the same mailbox is still open.
2176 fprintf (msg->fp, "X-Mutt-References: %s\n", msgid);
2178 /* (postponment) save the Fcc: using a special X-Mutt- header so that
2179 * it can be picked up when the message is recalled
2182 fprintf (msg->fp, "X-Mutt-Fcc: %s\n", fcc);
2183 fprintf (msg->fp, "Status: RO\n");
2187 /* (postponment) if the mail is to be signed or encrypted, save this info */
2188 if (post && (hdr->security & APPLICATION_PGP)) {
2189 fputs ("X-Mutt-PGP: ", msg->fp);
2190 if (hdr->security & ENCRYPT)
2191 fputc ('E', msg->fp);
2192 if (hdr->security & SIGN) {
2193 fputc ('S', msg->fp);
2194 if (PgpSignAs && *PgpSignAs)
2195 fprintf (msg->fp, "<%s>", PgpSignAs);
2197 if (hdr->security & INLINE)
2198 fputc ('I', msg->fp);
2199 fputc ('\n', msg->fp);
2202 /* (postponment) if the mail is to be signed or encrypted, save this info */
2203 if (post && (hdr->security & APPLICATION_SMIME)) {
2204 fputs ("X-Mutt-SMIME: ", msg->fp);
2205 if (hdr->security & ENCRYPT) {
2206 fputc ('E', msg->fp);
2207 if (SmimeCryptAlg && *SmimeCryptAlg)
2208 fprintf (msg->fp, "C<%s>", SmimeCryptAlg);
2210 if (hdr->security & SIGN) {
2211 fputc ('S', msg->fp);
2212 if (SmimeDefaultKey && *SmimeDefaultKey)
2213 fprintf (msg->fp, "<%s>", SmimeDefaultKey);
2215 if (hdr->security & INLINE)
2216 fputc ('I', msg->fp);
2217 fputc ('\n', msg->fp);
2220 /* (postponement) if the mail is to be sent through a mixmaster
2221 * chain, save that information
2223 if (post && hdr->chain && hdr->chain) {
2226 fputs ("X-Mutt-Mix:", msg->fp);
2227 for (p = hdr->chain; p; p = p->next)
2228 fprintf (msg->fp, " %s", (char *) p->data);
2230 fputc ('\n', msg->fp);
2234 char sasha[LONG_STRING];
2237 mutt_write_mime_body (hdr->content, tempfp);
2239 /* make sure the last line ends with a newline. Emacs doesn't ensure
2240 * this will happen, and it can cause problems parsing the mailbox
2243 fseeko (tempfp, -1, 2);
2244 if (fgetc (tempfp) != '\n') {
2245 fseeko (tempfp, 0, 2);
2246 fputc ('\n', tempfp);
2250 if (ferror (tempfp)) {
2253 mx_commit_message (msg, &f); /* XXX - really? */
2254 mx_close_message (&msg);
2255 mx_close_mailbox (&f, NULL);
2259 /* count the number of lines */
2261 while (fgets (sasha, sizeof (sasha), tempfp) != NULL)
2263 fprintf (msg->fp, "Content-Length: %zd\n", ftello (tempfp));
2264 fprintf (msg->fp, "Lines: %d\n\n", lines);
2266 /* copy the body and clean up */
2268 r = mutt_copy_stream (tempfp, msg->fp);
2269 if (m_fclose(&tempfp) != 0)
2271 /* if there was an error, leave the temp version */
2276 fputc ('\n', msg->fp); /* finish off the header */
2277 r = mutt_write_mime_body (hdr->content, msg->fp);
2280 if (mx_commit_message (msg, &f) != 0)
2282 mx_close_message (&msg);
2283 mx_close_mailbox (&f, NULL);
2286 set_noconv_flags (hdr->content, 0);