1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2014 Steffen (Daode) Nurpmeso <sdaoden@users.sf.net>.
8 * Copyright (c) 1980, 1993
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #ifndef HAVE_AMALGAMATION
47 #define SEND_LINESIZE \
48 ((1024 / B64_ENCODE_INPUT_PER_LINE) * B64_ENCODE_INPUT_PER_LINE)
50 static char const *__sendout_ident
; /* TODO temporary hack; rewrite puthead() */
51 static char * _sendout_boundary
;
52 static bool_t _sendout_error
;
54 static enum okay
_putname(char const *line
, enum gfield w
,
55 enum sendaction action
, size_t *gotcha
,
56 char const *prefix
, FILE *fo
, struct name
**xp
);
58 /* Get an encoding flag based on the given string */
59 static char const * _get_encoding(const enum conversion convert
);
61 /* Write an attachment to the file buffer, converting to MIME */
62 static int _attach_file(struct attachment
*ap
, FILE *fo
);
63 static int __attach_file(struct attachment
*ap
, FILE *fo
);
65 /* There are non-local receivers, collect credentials etc. */
66 static bool_t
_sendbundle_setup_creds(struct sendbundle
*sbpm
,
69 /* Prepare arguments for the MTA (non *smtp* mode) */
70 static char const ** _prepare_mta_args(struct name
*to
, struct header
*hp
);
72 /* Fix the header by glopping all of the expanded names from the distribution
73 * list into the appropriate fields */
74 static struct name
* fixhead(struct header
*hp
, struct name
*tolist
);
76 /* Put the signature file at fo. TODO layer rewrite: *integrate in body*!! */
77 static int put_signature(FILE *fo
, int convert
);
79 /* Attach a message to the file buffer */
80 static int attach_message(struct attachment
*ap
, FILE *fo
);
82 /* Generate the body of a MIME multipart message */
83 static int make_multipart(struct header
*hp
, int convert
, FILE *fi
,
84 FILE *fo
, char const *contenttype
, char const *charset
);
86 /* Prepend a header in front of the collected stuff and return the new file */
87 static FILE * infix(struct header
*hp
, FILE *fi
);
89 /* Save the outgoing mail on the passed file */
90 static int savemail(char const *name
, FILE *fi
);
92 /* Send mail to a bunch of user names. The interface is through mail() */
93 static int sendmail_internal(void *v
, int recipient_record
);
96 static bool_t
_transfer(struct sendbundle
*sbp
);
98 /* Start the MTA mailing */
99 static bool_t
start_mta(struct sendbundle
*sbp
);
101 /* Record outgoing mail if instructed to do so; in *record* unless to is set */
102 static bool_t
mightrecord(FILE *fp
, struct name
*to
);
104 /* Create a Message-Id: header field. Use either host name or from address */
105 static void _message_id(FILE *fo
, struct header
*hp
);
107 /* Format the given header line to not exceed 72 characters */
108 static int fmt(char const *str
, struct name
*np
, FILE *fo
, int comma
,
109 int dropinvalid
, int domime
);
111 /* Rewrite a message for resending, adding the Resent-Headers */
112 static int infix_resend(FILE *fi
, FILE *fo
, struct message
*mp
,
113 struct name
*to
, int add_resent
);
116 _putname(char const *line
, enum gfield w
, enum sendaction action
,
117 size_t *gotcha
, char const *prefix
, FILE *fo
, struct name
**xp
)
123 np
= lextract(line
, GEXTRA
| GFULL
);
128 else if (fmt(prefix
, np
, fo
, w
& GCOMMA
, 0, (action
!= SEND_TODISP
)))
130 else if (gotcha
!= NULL
)
137 _get_encoding(enum conversion
const convert
)
143 case CONV_7BIT
: rv
= "7bit"; break;
144 case CONV_8BIT
: rv
= "8bit"; break;
145 case CONV_TOQP
: rv
= "quoted-printable"; break;
146 case CONV_TOB64
: rv
= "base64"; break;
147 default: rv
= NULL
; break;
154 _attach_file(struct attachment
*ap
, FILE *fo
)
156 /* TODO of course, the MIME classification needs to performed once
157 * TODO only, not for each and every charset anew ... ;-// */
158 char *charset_iter_orig
[2];
163 /* Is this already in target charset? Simply copy over */
164 if (ap
->a_conv
== AC_TMPFILE
) {
165 err
= __attach_file(ap
, fo
);
167 DBG( ap
->a_tmpf
= NULL
; )
171 /* If we don't apply charset conversion at all (fixed input=ouput charset)
172 * we also simply copy over, since it's the users desire */
173 if (ap
->a_conv
== AC_FIX_INCS
) {
174 ap
->a_charset
= ap
->a_input_charset
;
175 err
= __attach_file(ap
, fo
);
179 /* Otherwise we need to iterate over all possible output charsets */
180 if ((offs
= ftell(fo
)) == -1) {
184 charset_iter_recurse(charset_iter_orig
);
185 for (charset_iter_reset(NULL
);; charset_iter_next()) {
186 if (!charset_iter_is_valid()) {
190 err
= __attach_file(ap
, fo
);
191 if (err
== 0 || (err
!= EILSEQ
&& err
!= EINVAL
))
194 if (fseek(fo
, offs
, SEEK_SET
) == -1) {
198 if (ap
->a_conv
!= AC_DEFAULT
) {
202 ap
->a_charset
= NULL
;
204 charset_iter_restore(charset_iter_orig
);
211 __attach_file(struct attachment
*ap
, FILE *fo
) /* XXX linelength */
213 int err
= 0, do_iconv
;
216 enum conversion convert
;
218 size_t bufsize
, lncnt
, inlen
;
221 /* Either charset-converted temporary file, or plain path */
222 if (ap
->a_conv
== AC_TMPFILE
) {
224 assert(ftell(fi
) == 0);
225 } else if ((fi
= Fopen(ap
->a_name
, "r")) == NULL
) {
231 /* MIME part header for attachment */
232 { char const *bn
= ap
->a_name
, *ct
;
234 if ((ct
= strrchr(bn
, '/')) != NULL
)
236 ct
= ap
->a_content_type
;
237 charset
= ap
->a_charset
;
238 convert
= mime_classify_file(fi
, (char const**)&ct
, &charset
, &do_iconv
);
239 if (charset
== NULL
|| ap
->a_conv
== AC_FIX_INCS
||
240 ap
->a_conv
== AC_TMPFILE
)
243 if (fprintf(fo
, "\n--%s\nContent-Type: %s", _sendout_boundary
, ct
) == -1)
246 if (charset
== NULL
) {
247 if (putc('\n', fo
) == EOF
)
249 } else if (fprintf(fo
, "; charset=%s\n", charset
) == -1)
252 if (fprintf(fo
, "Content-Transfer-Encoding: %s\n"
253 "Content-Disposition: %s;\n filename=\"",
254 _get_encoding(convert
), ap
->a_content_disposition
) == -1)
256 if (xmime_write(bn
, strlen(bn
), fo
, CONV_TOHDR
, TD_NONE
, NULL
) < 0)
258 if (fwrite("\"\n", sizeof(char), 2, fo
) != 2 * sizeof(char))
261 if ((bn
= ap
->a_content_id
) != NULL
&&
262 fprintf(fo
, "Content-ID: %s\n", bn
) == -1)
265 if ((bn
= ap
->a_content_description
) != NULL
&&
266 fprintf(fo
, "Content-Description: %s\n", bn
) == -1)
269 if (putc('\n', fo
) == EOF
) {
277 if (iconvd
!= (iconv_t
)-1)
278 n_iconv_close(iconvd
);
280 char const *tcs
= charset_get_lc();
281 if (asccasecmp(charset
, tcs
) &&
282 (iconvd
= n_iconv_open(charset
, tcs
)) == (iconv_t
)-1 &&
283 (err
= errno
) != 0) {
285 fprintf(stderr
, tr(179, "Cannot convert from %s to %s\n"),
288 perror("iconv_open");
294 bufsize
= SEND_LINESIZE
;
295 buf
= smalloc(bufsize
);
296 if (convert
== CONV_TOQP
298 || iconvd
!= (iconv_t
)-1
303 if (convert
== CONV_TOQP
305 || iconvd
!= (iconv_t
)-1
308 if (fgetline(&buf
, &bufsize
, &lncnt
, &inlen
, fi
, 0) == NULL
)
310 } else if ((inlen
= fread(buf
, sizeof *buf
, bufsize
, fi
)) == 0)
312 if (xmime_write(buf
, inlen
, fo
, convert
, TD_ICONV
, NULL
) < 0) {
322 if (ap
->a_conv
!= AC_TMPFILE
)
330 _sendbundle_setup_creds(struct sendbundle
*sbp
, bool_t signing_caps
)
332 bool_t v15
, rv
= FAL0
;
333 char *shost
, *from
, *smtp
;
336 v15
= ok_blook(v15_compat
);
337 shost
= (v15
? ok_vlook(smtp_hostname
) : NULL
);
338 from
= ((signing_caps
|| !v15
|| shost
== NULL
)
339 ? skin(myorigin(sbp
->sb_hp
)) : NULL
);
344 fprintf(stderr
, tr(531, "No *from* address for signing specified\n"));
348 sbp
->sb_signer
.l
= strlen(sbp
->sb_signer
.s
= from
);
351 if ((smtp
= ok_vlook(smtp
)) == NULL
) {
356 if (!url_parse(&sbp
->sb_url
, CPROTO_SMTP
, smtp
))
361 assert(from
!= NULL
);
362 sbp
->sb_url
.url_uh
.l
= strlen(sbp
->sb_url
.url_uh
.s
= from
);
365 __sendout_ident
= sbp
->sb_url
.url_uh
.s
;
366 if (!ccred_lookup(&sbp
->sb_ccred
, &sbp
->sb_url
))
369 if (sbp
->sb_url
.url_had_user
|| sbp
->sb_url
.url_pass
.s
!= NULL
) {
370 fprintf(stderr
, "New-style URL used without *v15-compat* being set\n");
373 if (!ccred_lookup_old(&sbp
->sb_ccred
, CPROTO_SMTP
, smtp
))
375 assert(from
!= NULL
);
376 sbp
->sb_url
.url_uh
.l
= strlen(sbp
->sb_url
.url_uh
.s
= from
);
386 _prepare_mta_args(struct name
*to
, struct header
*hp
)
388 size_t vas_count
, i
, j
;
393 if ((cp
= ok_vlook(sendmail_arguments
)) == NULL
) {
398 vas
= ac_alloc(sizeof(*vas
) * (j
>> 1));
399 vas_count
= (size_t)getrawlist(cp
, j
, vas
, (int)(j
>> 1), TRU1
);
402 i
= 4 + smopts_count
+ vas_count
+ 2 + count(to
) + 1;
403 args
= salloc(i
* sizeof(char*));
405 args
[0] = ok_vlook(sendmail_progname
);
406 if (args
[0] == NULL
|| *args
[0] == '\0')
407 args
[0] = SENDMAIL_PROGNAME
;
413 if (options
& OPT_VERB
)
416 for (j
= 0; j
< smopts_count
; ++j
, ++i
)
419 for (j
= 0; j
< vas_count
; ++j
, ++i
)
422 /* -r option? We may only pass skinned addresses */
423 if (options
& OPT_r_FLAG
) {
424 if (option_r_arg
[0] != '\0')
426 else if (hp
!= NULL
) {
427 /* puthead() did it, then */
428 assert(hp
->h_from
!= NULL
);
429 cp
= hp
->h_from
->n_name
;
431 cp
= skin(myorigin(NULL
)); /* XXX ugh! ugh!! */
432 if (cp
!= NULL
) { /* XXX ugh! */
438 /* Receivers follow */
439 for (; to
!= NULL
; to
= to
->n_flink
)
440 if (!(to
->n_type
& GDEL
))
441 args
[i
++] = to
->n_name
;
451 fixhead(struct header
*hp
, struct name
*tolist
)
453 struct name
**npp
, *np
;
456 tolist
= elide(tolist
);
458 hp
->h_to
= hp
->h_cc
= hp
->h_bcc
= NULL
;
459 for (np
= tolist
; np
!= NULL
; np
= np
->n_flink
) {
460 switch (np
->n_type
& (GDEL
| GMASK
)) {
461 case GTO
: npp
= &hp
->h_to
; break;
462 case GCC
: npp
= &hp
->h_cc
; break;
463 case GBCC
: npp
= &hp
->h_bcc
; break;
466 *npp
= cat(*npp
, ndup(np
, np
->n_type
| GFULL
));
473 put_signature(FILE *fo
, int convert
)
475 char buf
[SEND_LINESIZE
], *sig
, c
= '\n';
481 if ((sig
= ok_vlook(signature
)) == NULL
|| *sig
== '\0') {
487 if ((sig
= file_expand(sig
)) == NULL
)
490 if ((fsig
= Fopen(sig
, "r")) == NULL
) {
494 while ((sz
= fread(buf
, sizeof *buf
, SEND_LINESIZE
, fsig
)) != 0) {
496 if (xmime_write(buf
, sz
, fo
, convert
, TD_NONE
, NULL
) < 0)
516 attach_message(struct attachment
*ap
, FILE *fo
)
523 fprintf(fo
, "\n--%s\nContent-Type: message/rfc822\n"
524 "Content-Disposition: inline\n", _sendout_boundary
);
525 if ((ccp
= ap
->a_content_description
) != NULL
)
526 fprintf(fo
, "Content-Description: %s\n", ccp
);
529 mp
= message
+ ap
->a_msgno
- 1;
531 rv
= (sendmp(mp
, fo
, 0, NULL
, SEND_RFC822
, NULL
) < 0) ? -1 : 0;
537 make_multipart(struct header
*hp
, int convert
, FILE *fi
, FILE *fo
,
538 char const *contenttype
, char const *charset
)
540 struct attachment
*att
;
544 fputs("This is a multi-part message in MIME format.\n", fo
);
545 if (fsize(fi
) != 0) {
547 size_t sz
, bufsize
, cnt
;
549 fprintf(fo
, "\n--%s\n", _sendout_boundary
);
550 fprintf(fo
, "Content-Type: %s", contenttype
);
552 fprintf(fo
, "; charset=%s", charset
);
553 fprintf(fo
, "\nContent-Transfer-Encoding: %s\n"
554 "Content-Disposition: inline\n\n", _get_encoding(convert
));
556 buf
= smalloc(bufsize
= SEND_LINESIZE
);
557 if (convert
== CONV_TOQP
559 || iconvd
!= (iconv_t
)-1
566 if (convert
== CONV_TOQP
568 || iconvd
!= (iconv_t
)-1
571 if (fgetline(&buf
, &bufsize
, &cnt
, &sz
, fi
, 0) == NULL
)
573 } else if ((sz
= fread(buf
, sizeof *buf
, bufsize
, fi
)) == 0)
576 if (xmime_write(buf
, sz
, fo
, convert
, TD_ICONV
, NULL
) < 0) {
586 put_signature(fo
, convert
);
589 for (att
= hp
->h_attach
; att
!= NULL
; att
= att
->a_flink
) {
591 if (attach_message(att
, fo
) != 0)
593 } else if (_attach_file(att
, fo
) != 0)
597 /* the final boundary with two attached dashes */
598 fprintf(fo
, "\n--%s--\n", _sendout_boundary
);
606 infix(struct header
*hp
, FILE *fi
) /* TODO check */
608 FILE *nfo
, *nfi
= NULL
;
610 char const *contenttype
, *charset
= NULL
;
611 enum conversion convert
;
612 int do_iconv
= 0, err
;
614 char const *tcs
, *convhdr
= NULL
;
618 if ((nfo
= Ftmp(&tempMail
, "infix", OF_WRONLY
| OF_HOLDSIGS
| OF_REGISTER
,
620 perror(tr(178, "temporary mail file"));
623 if ((nfi
= Fopen(tempMail
, "r")) == NULL
) {
627 Ftmp_release(&tempMail
);
631 contenttype
= "text/plain"; /* XXX mail body - always text/plain, want XX? */
632 convert
= mime_classify_file(fi
, &contenttype
, &charset
, &do_iconv
);
635 tcs
= charset_get_lc();
636 if ((convhdr
= need_hdrconv(hp
, GTO
| GSUBJECT
| GCC
| GBCC
| GIDENT
))) {
637 if (iconvd
!= (iconv_t
)-1) /* XXX */
638 n_iconv_close(iconvd
);
639 if (asccasecmp(convhdr
, tcs
) != 0 &&
640 (iconvd
= n_iconv_open(convhdr
, tcs
)) == (iconv_t
)-1 &&
646 (GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GCOMMA
| GUA
| GMIME
| GMSGID
|
647 GIDENT
| GREF
| GDATE
), SEND_MBOX
, convert
, contenttype
, charset
))
650 if (iconvd
!= (iconv_t
)-1)
651 n_iconv_close(iconvd
);
655 if (do_iconv
&& charset
!= NULL
) { /*TODO charset->mime_classify_file*/
656 if (asccasecmp(charset
, tcs
) != 0 &&
657 (iconvd
= n_iconv_open(charset
, tcs
)) == (iconv_t
)-1 &&
658 (err
= errno
) != 0) {
661 fprintf(stderr
, tr(179, "Cannot convert from %s to %s\n"),
664 perror("iconv_open");
670 if (hp
->h_attach
!= NULL
) {
671 if (make_multipart(hp
, convert
, fi
, nfo
, contenttype
, charset
) != 0)
674 size_t sz
, bufsize
, cnt
;
677 if (convert
== CONV_TOQP
679 || iconvd
!= (iconv_t
)-1
685 buf
= smalloc(bufsize
= SEND_LINESIZE
);
687 if (convert
== CONV_TOQP
689 || iconvd
!= (iconv_t
)-1
692 if (fgetline(&buf
, &bufsize
, &cnt
, &sz
, fi
, 0) == NULL
)
694 } else if ((sz
= fread(buf
, sizeof *buf
, bufsize
, fi
)) == 0)
696 if (xmime_write(buf
, sz
, nfo
, convert
, TD_ICONV
, NULL
) < 0) {
703 if (err
|| ferror(fi
)) {
708 if (iconvd
!= (iconv_t
)-1)
709 n_iconv_close(iconvd
);
715 put_signature(nfo
, convert
); /* XXX if (text/) !! */
719 if (iconvd
!= (iconv_t
)-1)
720 n_iconv_close(iconvd
);
724 if ((err
= ferror(nfo
)))
725 perror(tr(180, "temporary mail file"));
740 savemail(char const *name
, FILE *fi
)
744 size_t bufsize
, buflen
, cnt
;
745 int prependnl
= 0, rv
= -1;
748 buf
= smalloc(bufsize
= LINESIZE
);
750 if ((fo
= Zopen(name
, "a+", NULL
)) == NULL
) {
751 if ((fo
= Zopen(name
, "wx", NULL
)) == NULL
) {
756 if (fseek(fo
, -2L, SEEK_END
) == 0) {
757 switch (fread(buf
, sizeof *buf
, 2, fo
)) {
759 if (buf
[1] != '\n') {
781 fprintf(fo
, "From %s %s", myname
, time_current
.tc_ctime
);
785 while (fgetline(&buf
, &bufsize
, &cnt
, &buflen
, fi
, 0) != NULL
) {
786 #ifdef HAVE_DEBUG /* TODO assert legacy */
787 assert(!is_head(buf
, buflen
));
789 if (is_head(buf
, buflen
))
792 fwrite(buf
, sizeof *buf
, buflen
, fo
);
794 if (buflen
&& *(buf
+ buflen
- 1) != '\n')
814 sendmail_internal(void *v
, int recipient_record
)
821 memset(&head
, 0, sizeof head
);
822 head
.h_to
= lextract(str
, GTO
| GFULL
);
823 rv
= mail1(&head
, 0, NULL
, NULL
, recipient_record
, 0);
829 _transfer(struct sendbundle
*sbp
)
836 for (cnt
= 0, np
= sbp
->sb_to
; np
!= NULL
;) {
837 char const k
[] = "smime-encrypt-";
838 size_t nl
= strlen(np
->n_name
);
839 char *cp
, *vs
= ac_alloc(sizeof(k
)-1 + nl
+1);
840 memcpy(vs
, k
, sizeof(k
) -1);
841 memcpy(vs
+ sizeof(k
) -1, np
->n_name
, nl
+1);
843 if ((cp
= vok_vlook(vs
)) != NULL
) {
847 if ((ef
= smime_encrypt(sbp
->sb_input
, cp
, np
->n_name
)) != NULL
) {
848 FILE *fisave
= sbp
->sb_input
;
849 struct name
*nsave
= sbp
->sb_to
;
851 sbp
->sb_to
= ndup(np
, np
->n_type
& ~(GFULL
| GSKIN
));
856 sbp
->sb_input
= fisave
;
861 fprintf(stderr
, tr(225, "No SSL support compiled in.\n"));
864 fprintf(stderr
, tr(38, "Message not sent to <%s>\n"), np
->n_name
);
865 _sendout_error
= TRU1
;
869 rewind(sbp
->sb_input
);
871 if (np
->n_flink
!= NULL
)
872 np
->n_flink
->n_blink
= np
->n_blink
;
873 if (np
->n_blink
!= NULL
)
874 np
->n_blink
->n_flink
= np
->n_flink
;
875 if (np
== sbp
->sb_to
)
876 sbp
->sb_to
= np
->n_flink
;
885 if (cnt
> 0 && (ok_blook(smime_force_encryption
) || !start_mta(sbp
)))
892 start_mta(struct sendbundle
*sbp
)
894 char const **args
= NULL
, **t
, *mta
;
901 if ((smtp
= ok_vlook(smtp
)) == NULL
) {
902 if ((mta
= ok_vlook(sendmail
)) != NULL
) {
903 if ((mta
= file_expand(mta
)) == NULL
)
908 args
= _prepare_mta_args(sbp
->sb_to
, sbp
->sb_hp
);
909 if (options
& OPT_DEBUG
) {
910 printf(tr(181, "Sendmail arguments:"));
911 for (t
= args
; *t
!= NULL
; ++t
)
912 printf(" \"%s\"", *t
);
918 mta
= NULL
; /* Silence cc */
920 fputs(tr(194, "No SMTP support compiled in.\n"), stderr
);
923 /* XXX assert that sendbundle is setup? */
927 /* Fork, set up the temporary mail file as standard input for "mail", and
928 * exec with the user list we generated far above */
929 if ((pid
= fork()) == -1) {
932 savedeadletter(sbp
->sb_input
, 0);
933 _sendout_error
= TRU1
;
938 sigaddset(&nset
, SIGHUP
);
939 sigaddset(&nset
, SIGINT
);
940 sigaddset(&nset
, SIGQUIT
);
941 sigaddset(&nset
, SIGTSTP
);
942 sigaddset(&nset
, SIGTTIN
);
943 sigaddset(&nset
, SIGTTOU
);
944 freopen("/dev/null", "r", stdin
);
947 prepare_child(&nset
, 0, 1);
952 prepare_child(&nset
, fileno(sbp
->sb_input
), -1);
953 /* If *record* is set then savemail() will move the file position;
954 * it'll call rewind(), but that may optimize away the systemcall if
955 * possible, and since dup2() shares the position with the original FD
956 * the MTA may end up reading nothing */
957 lseek(0, 0, SEEK_SET
);
958 execv(mta
, UNCONST(args
));
963 savedeadletter(sbp
->sb_input
, 1);
964 fputs(tr(182, "... message not sent.\n"), stderr
);
967 if ((options
& (OPT_DEBUG
| OPT_VERB
| OPT_BATCH_FLAG
)) ||
968 ok_blook(sendwait
)) {
969 if (wait_child(pid
, NULL
))
972 _sendout_error
= TRU1
;
983 mightrecord(FILE *fp
, struct name
*to
)
991 cp
= savestr(skinned_name(to
));
992 for (cq
= cp
; *cq
!= '\0' && *cq
!= '@'; ++cq
)
996 cp
= ok_vlook(record
);
999 if ((ep
= expand(cp
)) == NULL
) {
1004 if (*ep
!= '/' && *ep
!= '+' && ok_blook(outfolder
) &&
1005 which_protocol(ep
) == PROTO_FILE
) {
1006 size_t i
= strlen(cp
);
1007 cq
= salloc(i
+ 1 +1);
1009 memcpy(cq
+ 1, cp
, i
+1);
1011 if ((ep
= file_expand(cp
)) == NULL
) {
1017 if (savemail(ep
, fp
) != 0) {
1019 fprintf(stderr
, tr(285, "Failed to save message in %s - "
1020 "message not sent\n"), ep
);
1021 exit_status
|= EXIT_ERR
;
1022 savedeadletter(fp
, 1);
1031 _message_id(FILE *fo
, struct header
*hp
)
1038 if (ok_blook(message_id_disable
))
1041 if ((h
= __sendout_ident
) != NULL
)
1043 else if ((h
= ok_vlook(hostname
)) != NULL
)
1045 else if ((h
= skin(myorigin(hp
))) != NULL
&& strchr(h
, '@') != NULL
)
1051 tmp
= &time_current
.tc_gm
;
1052 fprintf(fo
, "Message-ID: <%04d%02d%02d%02d%02d%02d.%s%c%s>\n",
1053 tmp
->tm_year
+ 1900, tmp
->tm_mon
+ 1, tmp
->tm_mday
,
1054 tmp
->tm_hour
, tmp
->tm_min
, tmp
->tm_sec
,
1055 getrandstring(rl
), (rl
== 8 ? '%' : '@'), h
);
1057 __sendout_ident
= NULL
;
1062 fmt(char const *str
, struct name
*np
, FILE *fo
, int flags
, int dropinvalid
,
1070 } m
= (flags
& GCOMMA
) ? m_COMMA
: 0;
1077 fwrite(str
, sizeof *str
, col
, fo
);
1080 if (col
== 9 && !asccasecmp(str
, "reply-to:")) {
1084 if (ok_blook(add_file_recipients
))
1086 if ((col
== 3 && (!asccasecmp(str
, "to:") || !asccasecmp(str
, "cc:"))) ||
1087 (col
== 4 && !asccasecmp(str
, "bcc:")) ||
1088 (col
== 10 && !asccasecmp(str
, "Resent-To:")))
1092 for (; np
!= NULL
; np
= np
->n_flink
) {
1093 if ((m
& m_NOPF
) && is_fileorpipe_addr(np
))
1095 if (is_addr_invalid(np
, !dropinvalid
)) {
1101 if ((m
& (m_INIT
| m_COMMA
)) == (m_INIT
| m_COMMA
)) {
1106 len
= strlen(np
->n_fullname
);
1107 ++col
; /* The separating space */
1108 if ((m
& m_INIT
) && /*col > 1 &&*/ UICMP(z
, col
+ len
, >, 72)) {
1114 m
= (m
& ~m_CSEEN
) | m_INIT
;
1115 len
= xmime_write(np
->n_fullname
, len
, fo
,
1116 (domime
? CONV_TOHDR_A
: CONV_NONE
), TD_ICONV
, NULL
);
1129 infix_resend(FILE *fi
, FILE *fo
, struct message
*mp
, struct name
*to
,
1132 size_t cnt
, c
, bufsize
= 0;
1135 struct name
*fromfield
= NULL
, *senderfield
= NULL
;
1141 /* Write the Resent-Fields */
1143 fputs("Resent-", fo
);
1145 if ((cp
= myaddrs(NULL
)) != NULL
) {
1146 if (_putname(cp
, GCOMMA
, SEND_MBOX
, NULL
, "Resent-From:", fo
,
1150 if ((cp
= ok_vlook(sender
)) != NULL
) {
1151 if (_putname(cp
, GCOMMA
, SEND_MBOX
, NULL
, "Resent-Sender:", fo
,
1155 if (fmt("Resent-To:", to
, fo
, 1, 1, 0))
1157 if ((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")) {
1158 fputs("Resent-", fo
);
1159 _message_id(fo
, NULL
);
1162 if (check_from_and_sender(fromfield
, senderfield
))
1165 /* Write the original headers */
1167 if (fgetline(&buf
, &bufsize
, &cnt
, &c
, fi
, 0) == NULL
)
1169 /* XXX more checks: The From_ line may be seen when resending */
1170 /* During headers is_head() is actually overkill, so ^From_ is sufficient
1171 * && !is_head(buf, c) */
1172 if (ascncasecmp("status: ", buf
, 8) && strncmp("From ", buf
, 5))
1173 fwrite(buf
, sizeof *buf
, c
, fo
);
1174 if (cnt
> 0 && *buf
== '\n')
1178 /* Write the message body */
1180 if (fgetline(&buf
, &bufsize
, &cnt
, &c
, fi
, 0) == NULL
)
1182 if (cnt
== 0 && *buf
== '\n')
1184 fwrite(buf
, sizeof *buf
, c
, fo
);
1189 perror(tr(188, "temporary mail file"));
1199 mail(struct name
*to
, struct name
*cc
, struct name
*bcc
, char *subject
,
1200 struct attachment
*attach
, char *quotefile
, int recipient_record
)
1206 memset(&head
, 0, sizeof head
);
1208 /* The given subject may be in RFC1522 format. */
1209 if (subject
!= NULL
) {
1211 in
.l
= strlen(subject
);
1212 mime_fromhdr(&in
, &out
, /* TODO ??? TD_ISPR |*/ TD_ICONV
);
1213 head
.h_subject
= out
.s
;
1215 if (!(options
& OPT_t_FLAG
)) {
1220 head
.h_attach
= attach
;
1222 mail1(&head
, 0, NULL
, quotefile
, recipient_record
, 0);
1224 if (subject
!= NULL
)
1236 rv
= sendmail_internal(v
, 0);
1247 rv
= sendmail_internal(v
, 1);
1253 mail1(struct header
*hp
, int printheaders
, struct message
*quote
,
1254 char *quotefile
, int recipient_record
, int doprefix
)
1256 struct sendbundle sb
;
1259 int dosign
= -1, err
;
1261 enum okay rv
= STOP
;
1264 _sendout_error
= FAL0
;
1266 /* Update some globals we likely need first */
1267 time_current_update(&time_current
, TRU1
);
1270 if ((cp
= ok_vlook(autocc
)) != NULL
&& *cp
!= '\0')
1271 hp
->h_cc
= cat(hp
->h_cc
, checkaddrs(lextract(cp
, GCC
| GFULL
)));
1272 if ((cp
= ok_vlook(autobcc
)) != NULL
&& *cp
!= '\0')
1273 hp
->h_bcc
= cat(hp
->h_bcc
, checkaddrs(lextract(cp
, GBCC
| GFULL
)));
1275 /* Collect user's mail from standard input. Get the result as mtf */
1276 mtf
= collect(hp
, printheaders
, quote
, quotefile
, doprefix
);
1280 if (options
& OPT_INTERACTIVE
) {
1281 err
= (ok_blook(bsdcompat
) || ok_blook(askatend
));
1284 if (ok_blook(askcc
))
1285 ++err
, grab_headers(hp
, GCC
, 1);
1286 if (ok_blook(askbcc
))
1287 ++err
, grab_headers(hp
, GBCC
, 1);
1288 if (ok_blook(askattach
))
1289 ++err
, edit_attachments(&hp
->h_attach
);
1290 if (ok_blook(asksign
))
1291 ++err
, dosign
= getapproval(tr(35, "Sign this message (y/n)? "), TRU1
);
1294 printf(tr(183, "EOT\n"));
1299 if (fsize(mtf
) == 0) {
1300 if (options
& OPT_E_FLAG
)
1302 if (hp
->h_subject
== NULL
)
1303 printf(tr(184, "No message, no subject; hope that's ok\n"));
1304 else if (ok_blook(bsdcompat
) || ok_blook(bsdmsgs
))
1305 printf(tr(185, "Null message body; hope that's ok\n"));
1309 dosign
= ok_blook(smime_sign
);
1312 fprintf(stderr
, tr(225, "No SSL support compiled in.\n"));
1317 /* XXX Update time_current again; once collect() offers editing of more
1318 * XXX headers, including Date:, this must only happen if Date: is the
1319 * XXX same that it was before collect() (e.g., postponing etc.).
1320 * XXX But *do* update otherwise because the mail seems to be backdated
1321 * XXX if the user edited some time, which looks odd and it happened
1322 * XXX to me that i got mis-dated response mails due to that... */
1323 time_current_update(&time_current
, TRU1
);
1325 /* TODO hrmpf; the MIME/send layer rewrite MUST address the init crap:
1326 * TODO setup the header ONCE; note this affects edit.c, collect.c ...,
1327 * TODO but: offer a hook that rebuilds/expands/checks/fixates all
1328 * TODO header fields ONCE, call that ONCE after user editing etc. has
1329 * TODO completed (one edit cycle) */
1331 /* Take the user names from the combined to and cc lists and do all the
1332 * alias processing. The POSIX standard says:
1333 * The names shall be substituted when alias is used as a recipient
1334 * address specified by the user in an outgoing message (that is,
1335 * other recipients addressed indirectly through the reply command
1336 * shall not be substituted in this manner).
1337 * S-nail thus violates POSIX, as has been pointed out correctly by
1338 * Martin Neitzel, but logic and usability of POSIX standards is not seldom
1339 * disputable anyway. Go for user friendliness */
1341 /* Do alias expansion on Reply-To: members, too */
1342 /* TODO puthead() YET (!!! see ONCE note above) expands the value, but
1343 * TODO doesn't perform alias expansion; encapsulate in the ONCE-o */
1344 if (hp
->h_replyto
== NULL
&& (cp
= ok_vlook(replyto
)) != NULL
)
1345 hp
->h_replyto
= checkaddrs(lextract(cp
, GEXTRA
| GFULL
));
1346 if (hp
->h_replyto
!= NULL
)
1347 hp
->h_replyto
= elide(usermap(hp
->h_replyto
, TRU1
));
1349 /* TODO what happens now is that all recipients are merged into
1350 * TODO a duplicated list with expanded aliases, then this list is
1351 * TODO splitted again into the three individual recipient lists (with
1352 * TODO duplicates removed).
1353 * TODO later on we use the merged list for outof() pipe/file saving,
1354 * TODO then we eliminate duplicates (again) and then we use that one
1355 * TODO for mightrecord() and _transfer(), and again. ... Please ... */
1357 /* NOTE: Due to elide() in fixhead(), ENSURE to,cc,bcc order of to!,
1358 * because otherwise the recipients will be "degraded" if they occur
1360 to
= usermap(cat(hp
->h_to
, cat(hp
->h_cc
, hp
->h_bcc
)), FAL0
);
1362 fprintf(stderr
, tr(186, "No recipients specified\n"));
1363 _sendout_error
= TRU1
;
1365 to
= fixhead(hp
, to
);
1368 memset(&sb
, 0, sizeof sb
);
1372 if ((dosign
|| count_nonlocal(to
) > 0) &&
1373 !_sendbundle_setup_creds(&sb
, (dosign
> 0)))
1374 /* TODO saving $DEAD and recovering etc is not yet well defined */
1377 /* 'Bit ugly kind of control flow until we find a charset that does it */
1378 for (charset_iter_reset(hp
->h_charset
);; charset_iter_next()) {
1379 if (!charset_iter_is_valid())
1381 else if ((nmtf
= infix(hp
, mtf
)) != NULL
)
1383 else if ((err
= errno
) == EILSEQ
|| err
== EINVAL
) {
1390 _sendout_error
= TRU1
;
1391 savedeadletter(mtf
, TRU1
);
1392 fputs(tr(182, "... message not sent.\n"), stderr
);
1400 if ((nmtf
= smime_sign(mtf
, sb
.sb_signer
.s
)) == NULL
)
1407 /* TODO truly - i still don't get what follows: (1) we deliver file
1408 * TODO and pipe addressees, (2) we mightrecord() and (3) we transfer
1409 * TODO even if (1) savedeadletter() etc. To me this doesn't make sense? */
1411 /* Deliver pipe and file addressees */
1412 to
= outof(to
, mtf
, &_sendout_error
);
1414 savedeadletter(mtf
, FAL0
);
1416 to
= elide(to
); /* XXX needed only to drop GDELs due to outof()! */
1417 { ui32_t cnt
= count(to
);
1418 if ((!recipient_record
|| cnt
> 0) &&
1419 !mightrecord(mtf
, (recipient_record
? to
: NULL
)))
1427 } else if (!_sendout_error
)
1434 exit_status
|= EXIT_SEND_ERROR
;
1440 mkdate(FILE *fo
, char const *field
)
1443 int tzdiff
, tzdiff_hour
, tzdiff_min
, rv
;
1446 tzdiff
= time_current
.tc_time
- mktime(&time_current
.tc_gm
);
1447 tzdiff_hour
= (int)(tzdiff
/ 60);
1448 tzdiff_min
= tzdiff_hour
% 60;
1450 tmptr
= &time_current
.tc_local
;
1451 if (tmptr
->tm_isdst
> 0)
1453 rv
= fprintf(fo
, "%s: %s, %02d %s %04d %02d:%02d:%02d %+05d\n",
1455 weekday_names
[tmptr
->tm_wday
],
1456 tmptr
->tm_mday
, month_names
[tmptr
->tm_mon
],
1457 tmptr
->tm_year
+ 1900, tmptr
->tm_hour
,
1458 tmptr
->tm_min
, tmptr
->tm_sec
,
1459 tzdiff_hour
* 100 + tzdiff_min
);
1465 puthead(struct header
*hp
, FILE *fo
, enum gfield w
, enum sendaction action
,
1466 enum conversion convert
, char const *contenttype
, char const *charset
)
1468 #define FMT_CC_AND_BCC() \
1470 if (hp->h_cc != NULL && (w & GCC)) {\
1471 if (fmt("Cc:", hp->h_cc, fo, (w & (GCOMMA | GFILES)), 0,\
1472 (action != SEND_TODISP)))\
1476 if (hp->h_bcc != NULL && (w & GBCC)) {\
1477 if (fmt("Bcc:", hp->h_bcc, fo, (w & (GCOMMA | GFILES)), 0,\
1478 (action != SEND_TODISP)))\
1486 struct name
*np
, *fromfield
= NULL
, *senderfield
= NULL
;
1487 int stealthmua
, rv
= 1;
1491 if ((addr
= ok_vlook(stealthmua
)) != NULL
)
1492 stealthmua
= !strcmp(addr
, "noagent") ? -1 : 1;
1496 nodisp
= (action
!= SEND_TODISP
);
1499 mkdate(fo
, "Date"), ++gotcha
;
1501 if (hp
->h_from
!= NULL
) {
1502 if (fmt("From:", hp
->h_from
, fo
, (w
& (GCOMMA
| GFILES
)), 0, nodisp
))
1505 fromfield
= hp
->h_from
;
1506 } else if ((addr
= myaddrs(hp
)) != NULL
) {
1507 if (_putname(addr
, w
, action
, &gotcha
, "From:", fo
, &fromfield
))
1509 hp
->h_from
= fromfield
;
1512 if (((addr
= hp
->h_organization
) != NULL
||
1513 (addr
= ok_vlook(ORGANIZATION
)) != NULL
) &&
1514 (l
= strlen(addr
)) > 0) {
1515 fwrite("Organization: ", sizeof(char), 14, fo
);
1516 if (xmime_write(addr
, l
, fo
, (!nodisp
? CONV_NONE
: CONV_TOHDR
),
1517 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
) < 0)
1523 /* TODO see the ONCE TODO note somewhere around this file;
1524 * TODO but anyway, do NOT perform alias expansion UNLESS
1525 * TODO we are actually sending out! */
1526 if (hp
->h_replyto
!= NULL
) {
1527 if (fmt("Reply-To:", hp
->h_replyto
, fo
, w
& GCOMMA
, 0, nodisp
))
1530 } else if ((addr
= ok_vlook(replyto
)) != NULL
)
1531 if (_putname(addr
, w
, action
, &gotcha
, "Reply-To:", fo
, NULL
))
1534 if (hp
->h_sender
!= NULL
) {
1535 if (fmt("Sender:", hp
->h_sender
, fo
, w
& GCOMMA
, 0, nodisp
))
1538 senderfield
= hp
->h_sender
;
1539 } else if ((addr
= ok_vlook(sender
)) != NULL
)
1540 if (_putname(addr
, w
, action
, &gotcha
, "Sender:", fo
, &senderfield
))
1543 if (check_from_and_sender(fromfield
, senderfield
))
1547 if (hp
->h_to
!= NULL
&& w
& GTO
) {
1548 if (fmt("To:", hp
->h_to
, fo
, (w
& (GCOMMA
| GFILES
)), 0, nodisp
))
1553 if (!ok_blook(bsdcompat
) && !ok_blook(bsdorder
))
1556 if (hp
->h_subject
!= NULL
&& (w
& GSUBJECT
)) {
1557 fwrite("Subject: ", sizeof (char), 9, fo
);
1558 if (!ascncasecmp(hp
->h_subject
, "re: ", 4)) {/* TODO localizable */
1559 fwrite("Re: ", sizeof(char), 4, fo
);
1560 if (strlen(hp
->h_subject
+ 4) > 0 &&
1561 xmime_write(hp
->h_subject
+ 4, strlen(hp
->h_subject
+ 4), fo
,
1562 (!nodisp
? CONV_NONE
: CONV_TOHDR
),
1563 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
) < 0)
1565 } else if (*hp
->h_subject
!= '\0') {
1566 if (xmime_write(hp
->h_subject
, strlen(hp
->h_subject
), fo
,
1567 (!nodisp
? CONV_NONE
: CONV_TOHDR
),
1568 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
) < 0)
1572 fwrite("\n", sizeof (char), 1, fo
);
1575 if (ok_blook(bsdcompat
) || ok_blook(bsdorder
))
1578 if ((w
& GMSGID
) && stealthmua
<= 0)
1579 _message_id(fo
, hp
), ++gotcha
;
1581 if ((np
= hp
->h_ref
) != NULL
&& (w
& GREF
)) {
1582 fmt("References:", np
, fo
, 0, 1, 0);
1583 if (np
->n_name
!= NULL
) {
1584 while (np
->n_flink
!= NULL
)
1586 if (!is_addr_invalid(np
, 0)) {
1587 fprintf(fo
, "In-Reply-To: %s\n", np
->n_name
);
1593 if ((w
& GUA
) && stealthmua
== 0)
1594 fprintf(fo
, "User-Agent: %s %s\n", uagent
, version
), ++gotcha
;
1597 fputs("MIME-Version: 1.0\n", fo
), ++gotcha
;
1598 if (hp
->h_attach
!= NULL
) {
1599 _sendout_boundary
= mime_create_boundary();/*TODO carrier*/
1600 fprintf(fo
, "Content-Type: multipart/mixed;\n boundary=\"%s\"\n",
1603 fprintf(fo
, "Content-Type: %s", contenttype
);
1604 if (charset
!= NULL
)
1605 fprintf(fo
, "; charset=%s", charset
);
1606 fprintf(fo
, "\nContent-Transfer-Encoding: %s\n",
1607 _get_encoding(convert
));
1611 if (gotcha
&& (w
& GNL
))
1617 #undef FMT_CC_AND_BCC
1621 resend_msg(struct message
*mp
, struct name
*to
, int add_resent
) /* TODO check */
1623 struct sendbundle sb
;
1624 FILE *ibuf
, *nfo
, *nfi
;
1626 enum okay rv
= STOP
;
1629 _sendout_error
= FAL0
;
1631 /* Update some globals we likely need first */
1632 time_current_update(&time_current
, TRU1
);
1634 if ((to
= checkaddrs(to
)) == NULL
) {
1635 _sendout_error
= TRU1
;
1639 if ((nfo
= Ftmp(&tempMail
, "resend", OF_WRONLY
| OF_HOLDSIGS
| OF_REGISTER
,
1641 _sendout_error
= TRU1
;
1642 perror(tr(189, "temporary mail file"));
1645 if ((nfi
= Fopen(tempMail
, "r")) == NULL
) {
1646 _sendout_error
= TRU1
;
1649 Ftmp_release(&tempMail
);
1653 if ((ibuf
= setinput(&mb
, mp
, NEED_BODY
)) == NULL
)
1656 memset(&sb
, 0, sizeof sb
);
1659 if (count_nonlocal(to
) > 0 && !_sendbundle_setup_creds(&sb
, FAL0
))
1660 /* TODO saving $DEAD and recovering etc is not yet well defined */
1663 if (infix_resend(ibuf
, nfo
, mp
, to
, add_resent
) != 0) {
1664 savedeadletter(nfi
, TRU1
);
1665 fputs(tr(182, "... message not sent.\n"), stderr
);
1670 _sendout_error
= TRU1
;
1676 to
= outof(to
, nfi
, &_sendout_error
);
1678 savedeadletter(nfi
, FAL0
);
1680 to
= elide(to
); /* TODO should have been done in fixhead()? */
1681 if (count(to
) != 0) {
1682 if (!ok_blook(record_resent
) || mightrecord(nfi
, to
)) {
1684 /*sb.sb_input = nfi;*/
1688 } else if (!_sendout_error
)
1694 exit_status
|= EXIT_SEND_ERROR
;
1699 #undef SEND_LINESIZE
1701 /* vim:set fenc=utf-8:s-it-mode */