1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Message sending lifecycle, header composing, etc.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2018 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
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. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #define n_FILE sendout
38 #ifndef HAVE_AMALGAMATION
43 #define SEND_LINESIZE \
44 ((1024 / B64_ENCODE_INPUT_PER_LINE) * B64_ENCODE_INPUT_PER_LINE)
47 FMT_INC_INVADDR
= 1<<0, /* _Do_ include invalid addresses */
48 FMT_DOMIME
= 1<<1, /* Perform MIME conversion */
51 _FMT_GMASK
= FMT_COMMA
| FMT_FILES
53 n_CTA(!(_FMT_GMASK
& (FMT_INC_INVADDR
| FMT_DOMIME
)),
54 "Code-required condition not satisfied but actual bit carrier value");
56 static char const *__sendout_ident
; /* TODO temporary hack; rewrite puthead() */
57 static char * _sendout_boundary
;
58 static si8_t _sendout_error
;
60 /* *fullnames* appears after command line arguments have been parsed */
61 static struct name
*a_sendout_fullnames_cleanup(struct name
*np
);
64 static enum okay
_putname(char const *line
, enum gfield w
,
65 enum sendaction action
, size_t *gotcha
,
66 char const *prefix
, FILE *fo
, struct name
**xp
,
67 enum gfield addflags
);
69 /* Place Content-Type:, Content-Transfer-Encoding:, Content-Disposition:
70 * headers, respectively */
71 static int a_sendout_put_ct(FILE *fo
, char const *contenttype
,
73 n_INLINE
int a_sendout_put_cte(FILE *fo
, enum conversion conv
);
74 static int a_sendout_put_cd(FILE *fo
, char const *cd
, char const *filename
);
76 /* Put all entries of the given header list */
77 static bool_t
_sendout_header_list(FILE *fo
, struct n_header_field
*hfp
,
81 static int a_sendout_body(FILE *fo
, FILE *fi
, enum conversion convert
);
83 /* Write an attachment to the file buffer, converting to MIME */
84 static int a_sendout_attach_file(struct header
*hp
, struct attachment
*ap
,
86 static int a_sendout__attach_file(struct header
*hp
, struct attachment
*ap
,
89 /* There are non-local receivers, collect credentials etc. */
90 static bool_t
_sendbundle_setup_creds(struct sendbundle
*sbpm
,
93 /* Attach a message to the file buffer */
94 static int a_sendout_attach_msg(struct header
*hp
, struct attachment
*ap
,
97 /* Generate the body of a MIME multipart message */
98 static int make_multipart(struct header
*hp
, int convert
, FILE *fi
,
99 FILE *fo
, char const *contenttype
, char const *charset
);
101 /* Prepend a header in front of the collected stuff and return the new file */
102 static FILE * infix(struct header
*hp
, FILE *fi
);
104 /* Check whether Disposition-Notification-To: is desired */
105 static bool_t
_check_dispo_notif(struct name
*mdn
, struct header
*hp
,
108 /* Send mail to a bunch of user names. The interface is through mail() */
109 static int sendmail_internal(void *v
, int recipient_record
);
111 /* Deal with file and pipe addressees */
112 static struct name
*a_sendout_file_a_pipe(struct name
*names
, FILE *fo
,
115 /* Record outgoing mail if instructed to do so; in *record* unless to is set */
116 static bool_t
mightrecord(FILE *fp
, struct name
*to
, bool_t resend
);
118 static bool_t
a_sendout__savemail(char const *name
, FILE *fp
, bool_t resend
);
121 static bool_t
_transfer(struct sendbundle
*sbp
);
123 static bool_t
__mta_start(struct sendbundle
*sbp
);
124 static char const ** __mta_prepare_args(struct name
*to
, struct header
*hp
);
125 static void __mta_debug(struct sendbundle
*sbp
, char const *mta
,
128 /* Create a Message-ID: header field. Use either host name or from address */
129 static char const *a_sendout_random_id(struct header
*hp
, bool_t msgid
);
131 /* Format the given header line to not exceed 72 characters */
132 static int fmt(char const *str
, struct name
*np
, FILE *fo
,
135 /* Rewrite a message for resending, adding the Resent-Headers */
136 static int infix_resend(FILE *fi
, FILE *fo
, struct message
*mp
,
137 struct name
*to
, int add_resent
);
140 a_sendout_fullnames_cleanup(struct name
*np
){
144 for(xp
= np
; xp
!= NULL
; xp
= xp
->n_flink
){
145 xp
->n_type
&= ~(GFULL
| GFULLEXTRA
);
146 xp
->n_fullname
= xp
->n_name
;
147 xp
->n_fullextra
= NULL
;
154 _putname(char const *line
, enum gfield w
, enum sendaction action
,
155 size_t *gotcha
, char const *prefix
, FILE *fo
, struct name
**xp
,
156 enum gfield addflags
)
162 np
= lextract(line
, GEXTRA
| GFULL
| addflags
);
167 else if (fmt(prefix
, np
, fo
, ((w
& GCOMMA
) |
168 ((action
!= SEND_TODISP
) ? FMT_DOMIME
: 0))))
170 else if (gotcha
!= NULL
)
177 a_sendout_put_ct(FILE *fo
, char const *contenttype
, char const *charset
){
181 if((rv
= fprintf(fo
, "Content-Type: %s", contenttype
)) < 0)
187 if(putc(';', fo
) == EOF
)
191 if(strlen(contenttype
) + sizeof("Content-Type: ;")-1 > 50){
192 if(putc('\n', fo
) == EOF
)
200 i
= fprintf(fo
, " charset=%s", charset
);
207 if(putc('\n', fo
) == EOF
)
219 a_sendout_put_cte(FILE *fo
, enum conversion conv
){
224 * This is the default value -- that is,
225 * "Content-Transfer-Encoding: 7BIT" is assumed if the
226 * Content-Transfer-Encoding header field is not present.
228 rv
= (conv
== CONV_7BIT
) ? 0
229 : fprintf(fo
, "Content-Transfer-Encoding: %s\n",
230 mime_enc_from_conversion(conv
));
236 a_sendout_put_cd(FILE *fo
, char const *cd
, char const *filename
){
244 /* xxx Ugly with the trailing space in case of wrap! */
245 if((rv
= fprintf(fo
, "Content-Disposition: %s; ", cd
)) < 0)
248 if(!(mpc
= mime_param_create(&f
, "filename", filename
)))
250 /* Always fold if result contains newlines */
251 if(mpc
< 0 || f
.l
+ rv
> MIME_LINELEN
) { /* FIXME MIME_LINELEN_MAX */
252 if(putc('\n', fo
) == EOF
|| putc(' ', fo
) == EOF
)
256 if(fputs(f
.s
, fo
) == EOF
|| putc('\n', fo
) == EOF
)
270 _sendout_header_list(FILE *fo
, struct n_header_field
*hfp
, bool_t nodisp
){
274 for(rv
= TRU1
; hfp
!= NULL
; hfp
= hfp
->hf_next
)
275 if(fwrite(hfp
->hf_dat
, sizeof(char), hfp
->hf_nl
, fo
) != hfp
->hf_nl
||
276 putc(':', fo
) == EOF
|| putc(' ', fo
) == EOF
||
277 xmime_write(hfp
->hf_dat
+ hfp
->hf_nl
+1, hfp
->hf_bl
, fo
,
278 (!nodisp
? CONV_NONE
: CONV_TOHDR
),
279 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
, NULL
) < 0 ||
280 putc('\n', fo
) == EOF
){
289 a_sendout_body(FILE *fo
, FILE *fi
, enum conversion convert
){
290 struct str outrest
, inrest
;
292 size_t sz
, bufsize
, cnt
;
299 buf
= n_alloc(bufsize
= SEND_LINESIZE
);
300 outrest
.s
= inrest
.s
= NULL
;
301 outrest
.l
= inrest
.l
= 0;
303 if(convert
== CONV_TOQP
305 || iconvd
!= (iconv_t
)-1
313 if(convert
== CONV_TOQP
315 || iconvd
!= (iconv_t
)-1
318 if(fgetline(&buf
, &bufsize
, &cnt
, &sz
, fi
, 0) == NULL
)
320 }else if((sz
= fread(buf
, sizeof *buf
, bufsize
, fi
)) == 0)
323 if(xmime_write(buf
, sz
, fo
, convert
, TD_ICONV
, &outrest
,
324 (iseof
> FAL0
? NULL
: &inrest
)) < 0)
327 if(iseof
<= FAL0
&& (outrest
.l
!= 0 || inrest
.l
!= 0)){
329 iseof
= (iseof
|| inrest
.l
== 0) ? TRU1
: TRUM1
;
333 rv
= ferror(fi
) ? n_ERR_IO
: n_ERR_NONE
;
335 if(outrest
.s
!= NULL
)
346 a_sendout_attach_file(struct header
*hp
, struct attachment
*ap
, FILE *fo
)
348 /* TODO of course, the MIME classification needs to performed once
349 * TODO only, not for each and every charset anew ... ;-// */
350 char *charset_iter_orig
[2];
355 /* Is this already in target charset? Simply copy over */
356 if (ap
->a_conv
== AC_TMPFILE
) {
357 err
= a_sendout__attach_file(hp
, ap
, fo
);
359 DBG( ap
->a_tmpf
= NULL
; )
363 /* If we don't apply charset conversion at all (fixed input=ouput charset)
364 * we also simply copy over, since it's the users desire */
365 if (ap
->a_conv
== AC_FIX_INCS
) {
366 ap
->a_charset
= ap
->a_input_charset
;
367 err
= a_sendout__attach_file(hp
, ap
, fo
);
370 assert(ap
->a_input_charset
!= NULL
);
372 /* Otherwise we need to iterate over all possible output charsets */
373 if ((offs
= ftell(fo
)) == -1) {
377 charset_iter_recurse(charset_iter_orig
);
378 for (charset_iter_reset(NULL
);; charset_iter_next()) {
379 if (!charset_iter_is_valid()) {
383 err
= a_sendout__attach_file(hp
, ap
, fo
);
384 if (err
== 0 || (err
!= n_ERR_ILSEQ
&& err
!= n_ERR_INVAL
))
387 if (fseek(fo
, offs
, SEEK_SET
) == -1) {
391 if (ap
->a_conv
!= AC_DEFAULT
) {
395 ap
->a_charset
= NULL
;
397 charset_iter_restore(charset_iter_orig
);
404 a_sendout__attach_file(struct header
*hp
, struct attachment
*ap
, FILE *fo
)
406 int err
= 0, do_iconv
;
409 enum conversion convert
;
412 /* Either charset-converted temporary file, or plain path */
413 if (ap
->a_conv
== AC_TMPFILE
) {
415 assert(ftell(fi
) == 0);
416 } else if ((fi
= Fopen(ap
->a_path
, "r")) == NULL
) {
418 n_err(_("%s: %s\n"), n_shexp_quote_cp(ap
->a_path
, FAL0
),
423 /* MIME part header for attachment */
424 { char const *ct
, *cp
;
426 ct
= ap
->a_content_type
;
427 charset
= ap
->a_charset
;
428 convert
= n_mimetype_classify_file(fi
, (char const**)&ct
,
429 &charset
, &do_iconv
);
430 if (charset
== NULL
|| ap
->a_conv
== AC_FIX_INCS
||
431 ap
->a_conv
== AC_TMPFILE
)
434 if (fprintf(fo
, "\n--%s\n", _sendout_boundary
) < 0 ||
435 a_sendout_put_ct(fo
, ct
, charset
) < 0 ||
436 a_sendout_put_cte(fo
, convert
) < 0 ||
437 a_sendout_put_cd(fo
, ap
->a_content_disposition
, ap
->a_name
) < 0)
440 if((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")){
443 /* TODO RFC 2046 specifies that the same Content-ID should be used
444 * TODO for identical data; this is too hard for use right now,
445 * TODO because if done right it should be checksum based!?! */
446 if((np
= ap
->a_content_id
) != NULL
)
449 cp
= a_sendout_random_id(hp
, FAL0
);
451 if(cp
!= NULL
&& fprintf(fo
, "Content-ID: <%s>\n", cp
) < 0)
455 if ((cp
= ap
->a_content_description
) != NULL
&&
456 (fputs("Content-Description: ", fo
) == EOF
||
457 xmime_write(cp
, strlen(cp
), fo
, CONV_TOHDR
, (TD_ISPR
| TD_ICONV
),
458 NULL
, NULL
) < 0 || putc('\n', fo
) == EOF
))
461 if (putc('\n', fo
) == EOF
) {
469 if (iconvd
!= (iconv_t
)-1)
470 n_iconv_close(iconvd
);
472 if (asccasecmp(charset
, ap
->a_input_charset
) &&
473 (iconvd
= n_iconv_open(charset
, ap
->a_input_charset
)
474 ) == (iconv_t
)-1 && (err
= n_err_no
) != 0) {
475 if (err
== n_ERR_INVAL
)
476 n_err(_("Cannot convert from %s to %s\n"), ap
->a_input_charset
,
479 n_err(_("iconv_open: %s\n"), n_err_to_doc(err
));
485 err
= a_sendout_body(fo
, fi
, convert
);
487 if(ap
->a_conv
!= AC_TMPFILE
)
496 _sendbundle_setup_creds(struct sendbundle
*sbp
, bool_t signing_caps
)
498 bool_t v15
, rv
= FAL0
;
505 v15
= ok_blook(v15_compat
);
506 shost
= (v15
? ok_vlook(smtp_hostname
) : NULL
);
507 from
= ((signing_caps
|| !v15
|| shost
== NULL
)
508 ? skin(myorigin(sbp
->sb_hp
)) : NULL
);
513 n_err(_("No *from* address for signing specified\n"));
517 sbp
->sb_signer
.l
= strlen(sbp
->sb_signer
.s
= from
);
523 if ((smtp
= ok_vlook(smtp
)) == NULL
) { /* TODO v15 url_creat(,ok_vlook(mta)*/
526 /* *smtp* OBSOLETE message in mta_start() */
527 if((proto
= n_servbyname(smtp
= ok_vlook(mta
), NULL
)) == NULL
||
534 if (!url_parse(&sbp
->sb_url
, CPROTO_SMTP
, smtp
))
541 sbp
->sb_url
.url_u_h
.l
= strlen(sbp
->sb_url
.url_u_h
.s
= from
);
543 __sendout_ident
= sbp
->sb_url
.url_u_h
.s
;
544 if (!ccred_lookup(&sbp
->sb_ccred
, &sbp
->sb_url
))
547 if ((sbp
->sb_url
.url_flags
& n_URL_HAD_USER
) ||
548 sbp
->sb_url
.url_pass
.s
!= NULL
) {
549 n_err(_("New-style URL used without *v15-compat* being set\n"));
552 /* TODO part of the entire myorigin() disaster, get rid of this! */
555 n_err(_("Your configuration requires a *from* address, "
556 "but none was given\n"));
559 if (!ccred_lookup_old(&sbp
->sb_ccred
, CPROTO_SMTP
, from
))
561 sbp
->sb_url
.url_u_h
.l
= strlen(sbp
->sb_url
.url_u_h
.s
= from
);
565 #endif /* HAVE_SMTP */
566 #if defined HAVE_SSL || defined HAVE_SMTP
574 a_sendout_attach_msg(struct header
*hp
, struct attachment
*ap
, FILE *fo
)
582 fprintf(fo
, "\n--%s\nContent-Type: message/rfc822\n"
583 "Content-Disposition: inline\n", _sendout_boundary
);
584 if ((ccp
= ap
->a_content_description
) != NULL
)
585 fprintf(fo
, "Content-Description: %s\n", ccp
);/* TODO MIME! */
588 mp
= message
+ ap
->a_msgno
- 1;
590 rv
= (sendmp(mp
, fo
, 0, NULL
, SEND_RFC822
, NULL
) < 0) ? -1 : 0;
596 make_multipart(struct header
*hp
, int convert
, FILE *fi
, FILE *fo
,
597 char const *contenttype
, char const *charset
)
599 struct attachment
*att
;
603 fputs("This is a multi-part message in MIME format.\n", fo
);
607 if(fprintf(fo
, "\n--%s\n", _sendout_boundary
) < 0 ||
608 a_sendout_put_ct(fo
, contenttype
, charset
) < 0 ||
609 a_sendout_put_cte(fo
, convert
) < 0 ||
610 fprintf(fo
, "Content-Disposition: inline\n") < 0)
612 if (((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")) &&
613 (cp
= a_sendout_random_id(hp
, FAL0
)) != NULL
&&
614 fprintf(fo
, "Content-ID: <%s>\n", cp
) < 0)
616 if(putc('\n', fo
) == EOF
)
619 if(a_sendout_body(fo
, fi
, convert
) != 0)
626 for (att
= hp
->h_attach
; att
!= NULL
; att
= att
->a_flink
) {
628 if (a_sendout_attach_msg(hp
, att
, fo
) != 0)
630 } else if (a_sendout_attach_file(hp
, att
, fo
) != 0)
634 /* the final boundary with two attached dashes */
635 fprintf(fo
, "\n--%s--\n", _sendout_boundary
);
643 infix(struct header
*hp
, FILE *fi
) /* TODO check */
646 enum conversion convert
;
648 char const *contenttype
, *charset
;
651 char const *tcs
, *convhdr
= NULL
;
660 if ((nfo
= Ftmp(&tempMail
, "infix", OF_WRONLY
| OF_HOLDSIGS
| OF_REGISTER
))
662 n_perr(_("infix: temporary mail file"), 0);
665 if ((nfi
= Fopen(tempMail
, "r")) == NULL
) {
669 Ftmp_release(&tempMail
);
673 n_pstate
&= ~n_PS_HEADER_NEEDED_MIME
; /* TODO hack -> be carrier tracked */
675 contenttype
= "text/plain";
676 if((n_poption
& n_PO_Mm_FLAG
) && n_poption_arg_Mm
!= NULL
)
677 contenttype
= n_poption_arg_Mm
;
678 convert
= n_mimetype_classify_file(fi
, &contenttype
, &charset
, &do_iconv
);
681 tcs
= ok_vlook(ttycharset
);
682 if ((convhdr
= need_hdrconv(hp
))) {
683 if (iconvd
!= (iconv_t
)-1) /* XXX */
684 n_iconv_close(iconvd
);
685 if (asccasecmp(convhdr
, tcs
) != 0 &&
686 (iconvd
= n_iconv_open(convhdr
, tcs
)) == (iconv_t
)-1 &&
687 (err
= n_err_no
) != 0)
691 if(puthead(FAL0
, hp
, nfo
,
692 (GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GCOMMA
| GUA
| GMIME
| GMSGID
|
693 GIDENT
| GREF
| GDATE
), SEND_MBOX
, convert
, contenttype
, charset
)){
698 if (iconvd
!= (iconv_t
)-1)
699 n_iconv_close(iconvd
);
703 if (do_iconv
&& charset
!= NULL
) { /*TODO charset->n_mimetype_classify_file*/
704 if (asccasecmp(charset
, tcs
) != 0 &&
705 (iconvd
= n_iconv_open(charset
, tcs
)) == (iconv_t
)-1 &&
706 (err
= n_err_no
) != 0) {
708 if (err
== n_ERR_INVAL
)
709 n_err(_("Cannot convert from %s to %s\n"), tcs
, charset
);
711 n_perr("iconv_open", 0);
717 if(hp
->h_attach
!= NULL
){
718 if(make_multipart(hp
, convert
, fi
, nfo
, contenttype
, charset
) != 0){
722 }else if(a_sendout_body(nfo
, fi
, convert
) != 0){
728 if((err
= ferror(nfo
)))
729 n_perr(_("infix: temporary mail file I/O"), 0);
742 if(iconvd
!= (iconv_t
)-1)
743 n_iconv_close(iconvd
);
750 _check_dispo_notif(struct name
*mdn
, struct header
*hp
, FILE *fo
)
756 /* TODO smtp_disposition_notification (RFC 3798): relation to return-path
757 * TODO not yet checked */
758 if (!ok_blook(disposition_notification_send
))
761 if (mdn
!= NULL
&& mdn
!= (struct name
*)0x1)
763 else if ((from
= myorigin(hp
)) == NULL
) {
764 if (n_poption
& n_PO_D_V
)
765 n_err(_("*disposition-notification-send*: *from* not set\n"));
769 if (fmt("Disposition-Notification-To:", nalloc(n_UNCONST(from
), 0), fo
, 0))
777 sendmail_internal(void *v
, int recipient_record
)
784 memset(&head
, 0, sizeof head
);
785 head
.h_mailx_command
= "mail";
786 if((head
.h_to
= lextract(str
, GTO
|
787 (ok_blook(fullnames
) ? GFULL
| GSKIN
: GSKIN
))) != NULL
)
788 head
.h_mailx_raw_to
= namelist_dup(head
.h_to
, head
.h_to
->n_type
);
789 rv
= mail1(&head
, 0, NULL
, NULL
, recipient_record
, 0);
791 return (rv
!= OKAY
); /* reverse! */
795 a_sendout_file_a_pipe(struct name
*names
, FILE *fo
, bool_t
*senderror
){
796 ui32_t pipecnt
, xcnt
, i
;
805 /* Look through all recipients and do a quick return if no file or pipe
806 * addressee is found */
807 for(pipecnt
= xcnt
= 0, np
= names
; np
!= NULL
; np
= np
->n_flink
){
808 if(np
->n_type
& GDEL
)
810 switch(np
->n_flags
& NAME_ADDRSPEC_ISFILEORPIPE
){
811 case NAME_ADDRSPEC_ISFILE
: ++xcnt
; break;
812 case NAME_ADDRSPEC_ISPIPE
: ++pipecnt
; break;
815 if((pipecnt
| xcnt
) == 0)
818 /* Otherwise create an array of file descriptors for each found pipe
819 * addressee to get around the dup(2)-shared-file-offset problem, i.e.,
820 * each pipe subprocess needs its very own file descriptor, and we need
822 * To make our life a bit easier let's just use the auto-reclaimed
824 if(pipecnt
== 0 || (n_poption
& n_PO_DEBUG
)){
828 i
= sizeof(FILE*) * pipecnt
;
829 fppa
= n_lofi_alloc(i
);
831 sh
= ok_vlook(SHELL
);
834 for(np
= names
; np
!= NULL
; np
= np
->n_flink
){
835 if(!(np
->n_flags
& NAME_ADDRSPEC_ISFILEORPIPE
) || (np
->n_type
& GDEL
))
838 /* In days of old we removed the entry from the the list; now for sake of
839 * header expansion we leave it in and mark it as deleted */
842 if(n_poption
& n_PO_D_VV
)
843 n_err(_(">>> Writing message via %s\n"),
844 n_shexp_quote_cp(np
->n_name
, FAL0
));
845 /* We _do_ write to STDOUT, anyway! */
846 if((n_poption
& n_PO_DEBUG
) && ((np
->n_flags
& NAME_ADDRSPEC_ISPIPE
) ||
847 np
->n_name
[0] != '-' || np
->n_name
[1] != '\0'))
850 /* See if we have copied the complete message out yet. If not, do so */
855 if((fp
= Ftmp(&tempEdit
, "outof", OF_RDWR
| OF_HOLDSIGS
| OF_REGISTER
)
857 n_perr(_("Creation of temporary image"), 0);
862 for(i
= 0; i
< pipecnt
; ++i
)
863 if((fppa
[i
] = Fopen(tempEdit
, "r")) == NULL
){
864 n_perr(_("Creation of pipe image descriptor"), 0);
868 Ftmp_release(&tempEdit
);
874 fprintf(fp
, "From %s %s", ok_vlook(LOGNAME
), time_current
.tc_ctime
);
876 while(i
= c
, (c
= getc(fo
)) != EOF
)
884 n_perr(_("Finalizing write of temporary image"), 0);
888 /* From now on use xcnt as a counter for pipecnt */
892 /* Now either copy "image" to the desired file or give it as the standard
893 * input to the desired program as appropriate */
894 if(np
->n_flags
& NAME_ADDRSPEC_ISPIPE
){
899 sigaddset(&nset
, SIGHUP
);
900 sigaddset(&nset
, SIGINT
);
901 sigaddset(&nset
, SIGQUIT
);
902 pid
= n_child_start(sh
, &nset
, fileno(fppa
[xcnt
++]), n_CHILD_FD_NULL
,
903 "-c", &np
->n_name
[1], NULL
, NULL
);
905 n_err(_("Piping message to %s failed\n"),
906 n_shexp_quote_cp(np
->n_name
, FAL0
));
913 char const *fname
, *fnameq
;
915 if((fname
= fexpand(np
->n_name
, FEXP_LOCAL
| FEXP_NOPROTO
)) == NULL
)
917 fnameq
= n_shexp_quote_cp(fname
, FAL0
);
919 if(fname
[0] == '-' && fname
[1] == '\0')
923 enum n_fopen_state fs
;
925 if((fout
= n_fopen_any(fname
, "a+", &fs
)) == NULL
){
928 n_err(_("Writing message to %s failed: %s\n"),
929 fnameq
, n_err_to_doc(xerr
));
933 if((fs
& (n_PROTO_MASK
| n_FOPEN_STATE_EXISTS
)) ==
934 (n_PROTO_FILE
| n_FOPEN_STATE_EXISTS
)){
935 n_file_lock(fileno(fout
), FLT_WRITE
, 0,0, UIZ_MAX
);
937 if((xerr
= n_folder_mbox_prepare_append(fout
, NULL
)
944 while((c
= getc(fp
)) != EOF
)
947 n_err(_("Writing message to %s failed: %s\n"),
948 fnameq
, _("write error"));
961 for(i
= 0; i
< pipecnt
; ++i
)
962 if((fp
= fppa
[i
]) != NULL
)
972 if(np
->n_flags
& NAME_ADDRSPEC_ISFILEORPIPE
)
980 mightrecord(FILE *fp
, struct name
*to
, bool_t resend
){
988 if(n_poption
& n_PO_DEBUG
)
991 ccp
= cp
= savestr(skinned_name(to
));
992 while(*cp
!= '\0' && *cp
!= '@')
996 ccp
= ok_vlook(record
);
999 if((cp
= fexpand(ccp
, FEXP_NSHELL
)) == NULL
)
1002 switch(*(ccp
= cp
)){
1004 if(cp
[1] != '/'){ /* DIRSEP */
1006 if(ok_blook(outfolder
)){
1008 char const *nccp
, *folder
;
1010 switch(which_protocol(ccp
, TRU1
, FAL0
, &nccp
)){
1018 folder
= n_folder_query();
1020 if(which_protocol(folder
, FAL0
, FAL0
, NULL
) == PROTO_IMAP
){
1021 n_err(_("(*record*): *outfolder* set, *folder* is IMAP "
1022 "based: only one protocol per file is possible\n"));
1026 ccp
= str_concat_csvl(&s
, ccp
, folder
, nccp
, NULL
)->s
;
1038 if(!a_sendout__savemail(ccp
, fp
, resend
)){
1040 n_err(_("Failed to save message in %s - message not sent\n"),
1041 n_shexp_quote_cp(ccp
, FAL0
));
1042 n_exit_status
|= n_EXIT_ERR
;
1043 savedeadletter(fp
, 1);
1052 a_sendout__savemail(char const *name
, FILE *fp
, bool_t resend
){
1054 size_t bufsize
, buflen
, cnt
;
1055 enum n_fopen_state fs
;
1056 bool_t rv
, emptyline
;
1060 buf
= n_alloc(bufsize
= LINESIZE
);
1063 if((fo
= n_fopen_any(name
, "a+", &fs
)) == NULL
){
1068 if((fs
& (n_PROTO_MASK
| n_FOPEN_STATE_EXISTS
)) ==
1069 (n_PROTO_FILE
| n_FOPEN_STATE_EXISTS
)){
1072 /* TODO RETURN check, but be aware of protocols: v15: Mailbox->lock()!
1073 * TODO BETTER yet: should be returned in lock state already! */
1074 n_file_lock(fileno(fo
), FLT_WRITE
, 0,0, UIZ_MAX
);
1076 if((xerr
= n_folder_mbox_prepare_append(fo
, NULL
)) != n_ERR_NONE
){
1085 fprintf(fo
, "From %s %s", ok_vlook(LOGNAME
), time_current
.tc_ctime
);
1086 for(emptyline
= FAL0
, buflen
= 0, cnt
= fsize(fp
);
1087 fgetline(&buf
, &bufsize
, &cnt
, &buflen
, fp
, 0) != NULL
;){
1088 /* Only if we are resending it can happen that we have to quote From_
1089 * lines here; we don't generate messages which are ambiguous ourselves */
1091 if(emptyline
&& is_head(buf
, buflen
, FAL0
))
1093 }DBG(else assert(!is_head(buf
, buflen
, FAL0
)); )
1095 emptyline
= (buflen
> 0 && *buf
== '\n');
1096 fwrite(buf
, sizeof *buf
, buflen
, fo
);
1098 if(buflen
> 0 && buf
[buflen
- 1] != '\n')
1118 _transfer(struct sendbundle
*sbp
)
1125 for (cnt
= 0, np
= sbp
->sb_to
; np
!= NULL
;) {
1126 char const k
[] = "smime-encrypt-", *cp
;
1127 size_t nl
= strlen(np
->n_name
);
1128 char *vs
= n_lofi_alloc(sizeof(k
)-1 + nl
+1);
1129 memcpy(vs
, k
, sizeof(k
) -1);
1130 memcpy(vs
+ sizeof(k
) -1, np
->n_name
, nl
+1);
1132 if ((cp
= n_var_vlook(vs
, FAL0
)) != NULL
) {
1136 if ((ef
= smime_encrypt(sbp
->sb_input
, cp
, np
->n_name
)) != NULL
) {
1137 FILE *fisave
= sbp
->sb_input
;
1138 struct name
*nsave
= sbp
->sb_to
;
1140 sbp
->sb_to
= ndup(np
, np
->n_type
& ~(GFULL
| GSKIN
));
1142 if (!__mta_start(sbp
))
1145 sbp
->sb_input
= fisave
;
1150 n_err(_("No SSL support compiled in\n"));
1153 n_err(_("Message not sent to: %s\n"), np
->n_name
);
1154 _sendout_error
= TRU1
;
1158 rewind(sbp
->sb_input
);
1160 if (np
->n_flink
!= NULL
)
1161 np
->n_flink
->n_blink
= np
->n_blink
;
1162 if (np
->n_blink
!= NULL
)
1163 np
->n_blink
->n_flink
= np
->n_flink
;
1164 if (np
== sbp
->sb_to
)
1165 sbp
->sb_to
= np
->n_flink
;
1174 if (cnt
> 0 && (ok_blook(smime_force_encryption
) || !__mta_start(sbp
)))
1181 __mta_start(struct sendbundle
*sbp
)
1185 char const **args
, *mta
;
1189 /* Let rv mean "is smtp-based MTA" */
1190 if((mta
= ok_vlook(smtp
)) != NULL
){
1191 n_OBSOLETE(_("please don't use *smtp*: assign a smtp:// URL to *mta*!"));
1192 /* For *smtp* the smtp:// protocol was optional; be simple: don't check
1193 * that *smtp* is misused with file:// or so */
1194 if(n_servbyname(mta
, NULL
) == NULL
)
1195 mta
= savecat("smtp://", mta
);
1200 mta
= ok_vlook(mta
); /* TODO v15: what solely remains in here */
1201 if((proto
= ok_vlook(sendmail
)) != NULL
)
1202 n_OBSOLETE(_("please use *mta* instead of *sendmail*"));
1203 if(proto
!= NULL
&& !strcmp(mta
, VAL_MTA
))
1206 /* TODO for now this is pretty hacky: in v15 we should simply create
1207 * TODO an URL object; i.e., be able to do so, and it does it right
1208 * TODO I.e.,: url_creat(&url, ok_vlook(mta)); */
1209 if((proto
= n_servbyname(mta
, NULL
)) != NULL
){
1211 mta
+= sizeof("file://") -1;
1220 char const *mta_base
;
1222 if((mta
= fexpand(mta_base
= mta
, FEXP_LOCAL
| FEXP_NOPROTO
)) == NULL
){
1223 n_err(_("*mta* variable expansion failure: %s\n"),
1224 n_shexp_quote_cp(mta_base
, FAL0
));
1228 args
= __mta_prepare_args(sbp
->sb_to
, sbp
->sb_hp
);
1229 if (n_poption
& n_PO_DEBUG
) {
1230 __mta_debug(sbp
, mta
, args
);
1235 n_UNINIT(args
, NULL
);
1237 n_err(_("No SMTP support compiled in\n"));
1243 for(np
= sbp
->sb_to
; np
!= NULL
; np
= np
->n_flink
)
1244 if(!(np
->n_type
& GDEL
) && (np
->n_flags
& NAME_ADDRSPEC_ISNAME
)){
1245 n_err(_("SMTP *mta* cannot send to alias name: %s\n"),
1246 n_shexp_quote_cp(np
->n_name
, FAL0
));
1253 if (n_poption
& n_PO_DEBUG
) {
1254 (void)smtp_mta(sbp
);
1261 /* Fork, set up the temporary mail file as standard input for "mail", and
1262 * exec with the user list we generated far above */
1263 if ((pid
= n_child_fork()) == -1) {
1266 savedeadletter(sbp
->sb_input
, 0);
1267 _sendout_error
= TRU1
;
1272 sigaddset(&nset
, SIGHUP
);
1273 sigaddset(&nset
, SIGINT
);
1274 sigaddset(&nset
, SIGQUIT
);
1275 sigaddset(&nset
, SIGTSTP
);
1276 sigaddset(&nset
, SIGTTIN
);
1277 sigaddset(&nset
, SIGTTOU
);
1278 /* n_stdin = */freopen(n_path_devnull
, "r", stdin
);
1281 n_child_prepare(&nset
, 0, 1);
1290 n_child_prepare(&nset
, fileno(sbp
->sb_input
), -1);
1291 execv(mta
, n_UNCONST(args
));
1293 ecp
= (e
!= n_ERR_NOENT
) ? n_err_to_doc(e
)
1294 : _("executable not found (adjust *mta* variable)");
1295 n_err(_("Cannot start %s: %s\n"), n_shexp_quote_cp(mta
, FAL0
), ecp
);
1297 savedeadletter(sbp
->sb_input
, 1);
1298 n_err(_("... message not sent\n"));
1302 if ((n_poption
& n_PO_D_V
) || ok_blook(sendwait
)) {
1303 if (!(rv
= n_child_wait(pid
, NULL
)))
1304 _sendout_error
= TRU1
;
1314 static char const **
1315 __mta_prepare_args(struct name
*to
, struct header
*hp
)
1317 size_t vas_cnt
, i
, j
;
1319 char const **args
, *cp
, *cp_v15compat
;
1323 if((cp_v15compat
= ok_vlook(sendmail_arguments
)) != NULL
)
1324 n_OBSOLETE(_("please use *mta-arguments*, not *sendmail-arguments*"));
1325 if((cp
= ok_vlook(mta_arguments
)) == NULL
)
1327 if ((cp
/* TODO v15: = ok_vlook(mta_arguments)*/) == NULL
) {
1331 /* Don't assume anything on the content but do allocate exactly j slots;
1332 * like this getrawlist will never overflow (and return -1) */
1334 vas
= n_lofi_alloc(sizeof(*vas
) * j
);
1335 vas_cnt
= (size_t)getrawlist(TRU1
, vas
, j
, cp
, j
);
1338 i
= 4 + n_smopts_cnt
+ vas_cnt
+ 4 + 1 + count(to
) + 1;
1339 args
= n_autorec_alloc(i
* sizeof(char*));
1341 if((cp_v15compat
= ok_vlook(sendmail_progname
)) != NULL
)
1342 n_OBSOLETE(_("please use *mta-argv0*, not *sendmail-progname*"));
1343 cp
= ok_vlook(mta_argv0
);
1344 if(cp_v15compat
!= NULL
&& !strcmp(cp
, VAL_MTA_ARGV0
))
1346 args
[0] = cp
/* TODO v15 only : = ok_vlook(mta_argv0) */;
1348 if ((snda
= ok_blook(sendmail_no_default_arguments
)))
1349 n_OBSOLETE(_("please use *mta-no-default-arguments*, "
1350 "not *sendmail-no-default-arguments*"));
1351 snda
|= ok_blook(mta_no_default_arguments
);
1352 if ((snda
/* TODO v15: = ok_blook(mta_no_default_arguments)*/))
1357 if (ok_blook(metoo
))
1359 if (n_poption
& n_PO_VERB
)
1363 for (j
= 0; j
< n_smopts_cnt
; ++j
, ++i
)
1364 args
[i
] = n_smopts
[j
];
1366 for (j
= 0; j
< vas_cnt
; ++j
, ++i
)
1369 /* -r option? In conjunction with -t we act compatible to postfix(1) and
1370 * ignore it (it is -f / -F there) if the message specified From:/Sender:.
1371 * The interdependency with -t has been resolved in puthead() */
1372 if (!snda
&& ((n_poption
& n_PO_r_FLAG
) || ok_blook(r_option_implicit
))) {
1373 struct name
const *np
;
1375 if (hp
!= NULL
&& (np
= hp
->h_from
) != NULL
) {
1376 /* However, what wasn't resolved there was the case that the message
1377 * specified multiple From: addresses and a Sender: */
1378 if ((n_psonce
& n_PSO_t_FLAG
) && hp
->h_sender
!= NULL
)
1381 if (np
->n_fullextra
!= NULL
) {
1383 args
[i
++] = np
->n_fullextra
;
1387 assert(n_poption_arg_r
== NULL
);
1388 cp
= skin(myorigin(NULL
));
1397 /* Terminate option list to avoid false interpretation of system-wide
1398 * aliases that start with hyphen */
1402 /* Receivers follow */
1403 if(!ok_blook(mta_no_receiver_arguments
))
1404 for (; to
!= NULL
; to
= to
->n_flink
)
1405 if (!(to
->n_type
& GDEL
))
1406 args
[i
++] = to
->n_name
;
1416 __mta_debug(struct sendbundle
*sbp
, char const *mta
, char const **args
)
1418 size_t cnt
, bufsize
, llen
;
1422 n_err(_(">>> MTA: %s, arguments:"), n_shexp_quote_cp(mta
, FAL0
));
1423 for (; *args
!= NULL
; ++args
)
1424 n_err(" %s", n_shexp_quote_cp(*args
, FAL0
));
1427 fflush_rewind(sbp
->sb_input
);
1429 cnt
= fsize(sbp
->sb_input
);
1432 while (fgetline(&buf
, &bufsize
, &cnt
, &llen
, sbp
->sb_input
, TRU1
) != NULL
) {
1434 n_err(">>> %s\n", buf
);
1442 a_sendout_random_id(struct header
*hp
, bool_t msgid
)
1444 static ui32_t reprocnt
;
1453 if(msgid
&& hp
!= NULL
&& hp
->h_message_id
!= NULL
){
1454 rv
= hp
->h_message_id
->n_name
;
1458 if(ok_blook(message_id_disable
))
1463 if((h
= __sendout_ident
) != NULL
)
1465 if(ok_vlook(hostname
) != NULL
){
1466 h
= n_nodename(TRU1
);
1471 if(hp
!= NULL
&& (h
= skin(myorigin(hp
))) != NULL
&& strchr(h
, '@') != NULL
)
1476 tmp
= &time_current
.tc_gm
;
1477 i
= sizeof("%04d%02d%02d%02d%02d%02d.%s%c%s") -1 + rl
+ strlen(h
);
1478 rv
= n_autorec_alloc(i
+1);
1479 snprintf(rv
, i
, "%04d%02d%02d%02d%02d%02d.%s%c%s",
1480 tmp
->tm_year
+ 1900, tmp
->tm_mon
+ 1, tmp
->tm_mday
,
1481 tmp
->tm_hour
, tmp
->tm_min
, tmp
->tm_sec
,
1482 n_random_create_cp(rl
, &reprocnt
), sep
, h
);
1483 rv
[i
] = '\0'; /* Because we don't test snprintf(3) return */
1490 fmt(char const *str
, struct name
*np
, FILE *fo
, enum fmt_flags ff
)
1498 } m
= (ff
& GCOMMA
) ? m_COMMA
: 0;
1505 fwrite(str
, sizeof *str
, col
, fo
);
1507 #define _X(S) (col == sizeof(S) -1 && !asccasecmp(str, S))
1510 } else if (_X("reply-to:") || _X("mail-followup-to:") ||
1511 _X("references:") || _X("in-reply-to:") ||
1512 _X("disposition-notification-to:"))
1513 m
|= m_NOPF
| m_NONAME
;
1514 else if (ok_blook(add_file_recipients
)) {
1516 } else if (_X("to:") || _X("cc:") || _X("bcc:") || _X("resent-to:"))
1521 for (; np
!= NULL
; np
= np
->n_flink
) {
1522 if(np
->n_type
& GDEL
)
1524 if(is_addr_invalid(np
,
1525 ((ff
& FMT_INC_INVADDR
? 0 : EACM_NOLOG
) |
1526 (m
& m_NONAME
? EACM_NONAME
: EACM_NONE
))) &&
1527 !(ff
& FMT_INC_INVADDR
))
1530 /* File and pipe addresses only printed with set *add-file-recipients* */
1531 if ((m
& m_NOPF
) && is_fileorpipe_addr(np
))
1534 if ((m
& (m_INIT
| m_COMMA
)) == (m_INIT
| m_COMMA
)) {
1535 if (putc(',', fo
) == EOF
)
1541 len
= strlen(np
->n_fullname
);
1542 if (np
->n_type
& GREF
)
1544 ++col
; /* The separating space */
1545 if ((m
& m_INIT
) && /*col > 1 &&*/
1546 UICMP(z
, col
+ len
, >,
1547 (np
->n_type
& GREF
? MIME_LINELEN
: 72))) {
1548 if (fputs("\n ", fo
) == EOF
)
1554 m
= (m
& ~m_CSEEN
) | m_INIT
;
1559 /* GREF needs to be placed in angle brackets, but which are missing */
1560 hb
= np
->n_fullname
;
1561 if(np
->n_type
& GREF
){
1562 assert(UICMP(z
, len
, ==, strlen(np
->n_fullname
) + 2));
1563 hb
= n_lofi_alloc(len
+1);
1568 memcpy(&hb
[1], np
->n_fullname
, len
);
1571 len
= xmime_write(hb
, len
, fo
,
1572 ((ff
& FMT_DOMIME
) ? CONV_TOHDR_A
: CONV_NONE
), TD_ICONV
,
1574 if(np
->n_type
& GREF
)
1582 if (putc('\n', fo
) != EOF
)
1590 infix_resend(FILE *fi
, FILE *fo
, struct message
*mp
, struct name
*to
,
1593 size_t cnt
, c
, bufsize
= 0;
1596 struct name
*fromfield
= NULL
, *senderfield
= NULL
, *mdn
;
1602 /* Write the Resent-Fields */
1604 fputs("Resent-", fo
);
1606 if ((cp
= myaddrs(NULL
)) != NULL
) {
1607 if (_putname(cp
, GCOMMA
, SEND_MBOX
, NULL
, "Resent-From:", fo
,
1611 /* TODO RFC 5322: Resent-Sender SHOULD NOT be used if it's EQ -From: */
1612 if ((cp
= ok_vlook(sender
)) != NULL
) {
1613 if (_putname(cp
, GCOMMA
, SEND_MBOX
, NULL
, "Resent-Sender:", fo
,
1617 if (fmt("Resent-To:", to
, fo
, FMT_COMMA
))
1619 if (((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")) &&
1620 (cp
= a_sendout_random_id(NULL
, TRU1
)) != NULL
&&
1621 fprintf(fo
, "Resent-Message-ID: <%s>\n", cp
) < 0)
1625 if ((mdn
= n_UNCONST(check_from_and_sender(fromfield
, senderfield
))) == NULL
)
1627 if (!_check_dispo_notif(mdn
, NULL
, fo
))
1630 /* Write the original headers */
1632 if (fgetline(&buf
, &bufsize
, &cnt
, &c
, fi
, 0) == NULL
)
1634 if (ascncasecmp("status:", buf
, 7) &&
1635 ascncasecmp("disposition-notification-to:", buf
, 28) &&
1636 !is_head(buf
, c
, FAL0
))
1637 fwrite(buf
, sizeof *buf
, c
, fo
);
1638 if (cnt
> 0 && *buf
== '\n')
1642 /* Write the message body */
1644 if (fgetline(&buf
, &bufsize
, &cnt
, &c
, fi
, 0) == NULL
)
1646 if (cnt
== 0 && *buf
== '\n')
1648 fwrite(buf
, sizeof *buf
, c
, fo
);
1653 n_perr(_("infix_resend: temporary mail file"), 0);
1663 mail(struct name
*to
, struct name
*cc
, struct name
*bcc
, char const *subject
,
1664 struct attachment
*attach
, char const *quotefile
, int recipient_record
)
1671 memset(&head
, 0, sizeof head
);
1673 /* The given subject may be in RFC1522 format. */
1674 if (subject
!= NULL
) {
1675 in
.s
= n_UNCONST(subject
);
1676 in
.l
= strlen(subject
);
1677 mime_fromhdr(&in
, &out
, /* TODO ??? TD_ISPR |*/ TD_ICONV
);
1678 head
.h_subject
= out
.s
;
1681 fullnames
= ok_blook(fullnames
);
1683 head
.h_mailx_command
= "mail";
1684 if((head
.h_to
= to
) != NULL
){
1686 head
.h_to
= to
= a_sendout_fullnames_cleanup(to
);
1687 head
.h_mailx_raw_to
= namelist_dup(to
, to
->n_type
);
1689 if((head
.h_cc
= cc
) != NULL
){
1691 head
.h_cc
= cc
= a_sendout_fullnames_cleanup(cc
);
1692 head
.h_mailx_raw_cc
= namelist_dup(cc
, cc
->n_type
);
1694 if((head
.h_bcc
= bcc
) != NULL
){
1696 head
.h_bcc
= bcc
= a_sendout_fullnames_cleanup(bcc
);
1697 head
.h_mailx_raw_bcc
= namelist_dup(bcc
, bcc
->n_type
);
1700 head
.h_attach
= attach
;
1702 mail1(&head
, 0, NULL
, quotefile
, recipient_record
, 0);
1704 if (subject
!= NULL
)
1707 return 0; /* TODO only for main.c, -> n_exit_status, BUT: ARGH! */
1716 rv
= sendmail_internal(v
, 0);
1727 rv
= sendmail_internal(v
, 1);
1733 mail1(struct header
*hp
, int printheaders
, struct message
*quote
,
1734 char const *quotefile
, int recipient_record
, int doprefix
)
1737 struct sendbundle sb
;
1740 FILE * volatile mtf
, *nmtf
;
1741 enum okay
volatile rv
;
1744 _sendout_error
= FAL0
;
1745 __sendout_ident
= NULL
;
1746 n_pstate_err_no
= n_ERR_INVAL
;
1750 n_SIGMAN_ENTER_SWITCH(&sm
, n_SIGMAN_ALL
) {
1757 /* Update some globals we likely need first */
1758 time_current_update(&time_current
, TRU1
);
1760 /* Collect user's mail from standard input. Get the result as mtf */
1761 mtf
= collect(hp
, printheaders
, quote
, quotefile
, doprefix
, &_sendout_error
);
1764 /* TODO All custom headers should be joined here at latest
1765 * TODO In fact that should happen before we enter compose mode, so that the
1766 * TODO -C headers can be managed (removed etc.) via ~^, too, but the
1767 * TODO *customhdr* ones are fixated at this very place here, no sooner! */
1772 if(n_psonce
& n_PSO_INTERACTIVE
){
1773 if (ok_blook(asksign
))
1774 dosign
= getapproval(_("Sign this message"), TRU1
);
1777 if(fsize(mtf
) == 0){
1778 if(n_poption
& n_PO_E_FLAG
){
1779 n_pstate_err_no
= n_ERR_NONE
;
1784 if(hp
->h_subject
== NULL
)
1785 n_err(_("No message, no subject; hope that's ok\n"));
1786 else if(ok_blook(bsdcompat
) || ok_blook(bsdmsgs
))
1787 n_err(_("Null message body; hope that's ok\n"));
1790 if (dosign
== TRUM1
)
1791 dosign
= ok_blook(smime_sign
); /* TODO USER@HOST <-> *from* +++!!! */
1794 n_err(_("No SSL support compiled in\n"));
1799 /* XXX Update time_current again; once collect() offers editing of more
1800 * XXX headers, including Date:, this must only happen if Date: is the
1801 * XXX same that it was before collect() (e.g., postponing etc.).
1802 * XXX But *do* update otherwise because the mail seems to be backdated
1803 * XXX if the user edited some time, which looks odd and it happened
1804 * XXX to me that i got mis-dated response mails due to that... */
1805 time_current_update(&time_current
, TRU1
);
1807 /* TODO hrmpf; the MIME/send layer rewrite MUST address the init crap:
1808 * TODO setup the header ONCE; note this affects edit.c, collect.c ...,
1809 * TODO but: offer a hook that rebuilds/expands/checks/fixates all
1810 * TODO header fields ONCE, call that ONCE after user editing etc. has
1811 * TODO completed (one edit cycle) */
1813 /* Take the user names from the combined to and cc lists and do all the
1814 * alias processing. The POSIX standard says:
1815 * The names shall be substituted when alias is used as a recipient
1816 * address specified by the user in an outgoing message (that is,
1817 * other recipients addressed indirectly through the reply command
1818 * shall not be substituted in this manner).
1819 * S-nail thus violates POSIX, as has been pointed out correctly by
1820 * Martin Neitzel, but logic and usability of POSIX standards is not seldom
1821 * disputable anyway. Go for user friendliness */
1823 to
= namelist_vaporise_head(hp
,
1825 (!(expandaddr_to_eaf() & EAF_NAME
) ? EACM_NONAME
: EACM_NONE
)),
1826 TRU1
, &_sendout_error
);
1829 n_err(_("No recipients specified\n"));
1830 n_pstate_err_no
= n_ERR_DESTADDRREQ
;
1833 if(_sendout_error
< 0){
1834 n_err(_("Some addressees were classified as \"hard error\"\n"));
1835 n_pstate_err_no
= n_ERR_PERM
;
1840 memset(&sb
, 0, sizeof sb
);
1844 if((dosign
|| count_nonlocal(to
) > 0) &&
1845 !_sendbundle_setup_creds(&sb
, (dosign
> 0))){
1846 /* TODO saving $DEAD and recovering etc is not yet well defined */
1847 n_pstate_err_no
= n_ERR_INVAL
;
1851 /* 'Bit ugly kind of control flow until we find a charset that does it */
1852 for (charset_iter_reset(hp
->h_charset
);; charset_iter_next()) {
1855 if (!charset_iter_is_valid())
1857 else if ((nmtf
= infix(hp
, mtf
)) != NULL
)
1859 else if ((err
= n_iconv_err_no
) == n_ERR_ILSEQ
|| err
== n_ERR_INVAL
||
1860 err
== n_ERR_NOENT
) {
1865 n_perr(_("Cannot find a usable character set to encode message"), err
);
1866 n_pstate_err_no
= n_ERR_NOTSUP
;
1874 if ((nmtf
= smime_sign(mtf
, sb
.sb_signer
.s
)) == NULL
)
1881 /* TODO truly - i still don't get what follows: (1) we deliver file
1882 * TODO and pipe addressees, (2) we mightrecord() and (3) we transfer
1883 * TODO even if (1) savedeadletter() etc. To me this doesn't make sense? */
1889 /* Deliver pipe and file addressees */
1890 b
= (ok_blook(record_files
) && count(to
) > 0);
1891 to
= a_sendout_file_a_pipe(to
, mtf
, &_sendout_error
);
1894 savedeadletter(mtf
, FAL0
);
1896 to
= elide(to
); /* XXX only to drop GDELs due a_sendout_file_a_pipe()! */
1899 if ((recipient_record
|| b
|| cnt
> 0) &&
1900 !mightrecord(mtf
, (recipient_record
? to
: NULL
), FAL0
))
1908 } else if (!_sendout_error
)
1912 n_sigman_cleanup_ping(&sm
);
1919 if((cp
= ok_vlook(on_compose_cleanup
)) != NULL
)
1920 temporary_compose_mode_hook_call(cp
, NULL
, NULL
);
1923 temporary_compose_mode_hook_unroll();
1926 n_exit_status
|= n_EXIT_SEND_ERROR
;
1928 n_pstate_err_no
= n_ERR_NONE
;
1930 n_sigman_leave(&sm
, n_SIGMAN_VIPSIGS_NTTYOUT
);
1934 _sendout_error
= TRU1
;
1935 savedeadletter(mtf
, TRU1
);
1936 n_err(_("... message not sent\n"));
1941 mkdate(FILE *fo
, char const *field
)
1943 struct tm tmpgm
, *tmptr
;
1944 int tzdiff
, tzdiff_hour
, tzdiff_min
, rv
;
1947 memcpy(&tmpgm
, &time_current
.tc_gm
, sizeof tmpgm
);
1948 tzdiff
= time_current
.tc_time
- mktime(&tmpgm
);
1949 tzdiff_hour
= (int)(tzdiff
/ 60);
1950 tzdiff_min
= tzdiff_hour
% 60;
1952 tmptr
= &time_current
.tc_local
;
1953 if (tmptr
->tm_isdst
> 0)
1955 rv
= fprintf(fo
, "%s: %s, %02d %s %04d %02d:%02d:%02d %+05d\n",
1957 n_weekday_names
[tmptr
->tm_wday
],
1958 tmptr
->tm_mday
, n_month_names
[tmptr
->tm_mon
],
1959 tmptr
->tm_year
+ 1900, tmptr
->tm_hour
,
1960 tmptr
->tm_min
, tmptr
->tm_sec
,
1961 tzdiff_hour
* 100 + tzdiff_min
);
1967 puthead(bool_t nosend_msg
, struct header
*hp
, FILE *fo
, enum gfield w
,
1968 enum sendaction action
, enum conversion convert
, char const *contenttype
,
1969 char const *charset
)
1971 #define FMT_CC_AND_BCC() \
1973 if ((w & GCC) && (hp->h_cc != NULL || nosend_msg == TRUM1)) {\
1974 if (fmt("Cc:", hp->h_cc, fo, ff))\
1978 if ((w & GBCC) && (hp->h_bcc != NULL || nosend_msg == TRUM1)) {\
1979 if (fmt("Bcc:", hp->h_bcc, fo, ff))\
1987 struct name
*np
, *fromasender
= NULL
;
1988 int stealthmua
, rv
= 1;
1993 if ((addr
= ok_vlook(stealthmua
)) != NULL
)
1994 stealthmua
= !strcmp(addr
, "noagent") ? -1 : 1;
1998 nodisp
= (action
!= SEND_TODISP
);
1999 ff
= (w
& (GCOMMA
| GFILES
)) | (nodisp
? FMT_DOMIME
: 0);
2001 ff
|= FMT_INC_INVADDR
;
2004 mkdate(fo
, "Date"), ++gotcha
;
2006 if (hp
->h_from
== NULL
|| hp
->h_sender
== NULL
)
2007 setup_from_and_sender(hp
);
2009 if (hp
->h_from
!= NULL
) {
2010 if (fmt("From:", hp
->h_from
, fo
, ff
))
2015 if (hp
->h_sender
!= NULL
) {
2016 if (fmt("Sender:", hp
->h_sender
, fo
, ff
))
2021 fromasender
= n_UNCONST(check_from_and_sender(hp
->h_from
, hp
->h_sender
));
2022 if (fromasender
== NULL
)
2024 /* Note that fromasender is (NULL,) 0x1 or real sender here */
2028 if ((w
& GTO
) && (hp
->h_to
!= NULL
|| nosend_msg
== TRUM1
)) {
2029 if (fmt("To:", hp
->h_to
, fo
, ff
))
2034 /* TODO Thought about undisclosed recipients:;, but would be such a fake
2035 * TODO given that we cannot handle group addresses. Ridiculous */
2039 if ((xto
= hp
->h_to
) != NULL
) {
2040 char const ud
[] = "To: Undisclosed recipients:;\n" /* TODO groups */;
2042 if (count_nonlocal(xto
) != 0 || ok_blook(add_file_recipients
) ||
2043 (hp
->h_cc
!= NULL
&& count_nonlocal(hp
->h_cc
) > 0))
2045 if (fwrite(ud
, 1, sizeof(ud
) -1, fo
) != sizeof(ud
) -1)
2048 } else if (nosend_msg
== TRUM1
) {
2050 if (fmt("To:", hp
->h_to
, fo
, ff
))
2057 if (!ok_blook(bsdcompat
) && !ok_blook(bsdorder
))
2060 if ((w
& GSUBJECT
) && (hp
->h_subject
!= NULL
|| nosend_msg
== TRUM1
)) {
2061 if (fwrite("Subject: ", sizeof(char), 9, fo
) != 9)
2063 if (hp
->h_subject
!= NULL
) {
2067 sublen
= strlen(sub
= subject_re_trim(hp
->h_subject
));
2069 /* Trimmed something, (re-)add Re: */
2070 if (sub
!= hp
->h_subject
) {
2071 if (fwrite("Re: ", 1, 4, fo
) != 4) /* RFC mandates eng. "Re: " */
2074 xmime_write(sub
, sublen
, fo
,
2075 (!nodisp
? CONV_NONE
: CONV_TOHDR
),
2076 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
, NULL
) < 0)
2079 /* This may be, e.g., a Fwd: XXX yes, unfortunately we do like that */
2080 else if (*sub
!= '\0') {
2081 if (xmime_write(sub
, sublen
, fo
, (!nodisp
? CONV_NONE
: CONV_TOHDR
),
2082 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
, NULL
) < 0)
2090 if (ok_blook(bsdcompat
) || ok_blook(bsdorder
))
2093 if ((w
& GMSGID
) && stealthmua
<= 0 &&
2094 (addr
= a_sendout_random_id(hp
, TRU1
)) != NULL
) {
2095 if (fprintf(fo
, "Message-ID: <%s>\n", addr
) < 0)
2103 if((xnp
= np
= hp
->h_ref
) != NULL
){
2104 if(fmt("References:", np
, fo
, 0))
2108 if((np
= hp
->h_in_reply_to
) != NULL
|| xnp
!= NULL
){
2110 for(; xnp
!= NULL
; xnp
= xnp
->n_flink
)
2112 if(fmt("In-Reply-To:", np
, fo
, 0))
2119 /* Reply-To:. Be careful not to destroy a possible user input, duplicate
2120 * the list first.. TODO it is a terrible codebase.. */
2121 if((np
= hp
->h_reply_to
) != NULL
)
2122 np
= namelist_dup(np
, np
->n_type
);
2124 char const *v15compat
;
2126 if((v15compat
= ok_vlook(replyto
)) != NULL
)
2127 n_OBSOLETE(_("please use *reply-to*, not *replyto*"));
2128 if((addr
= ok_vlook(reply_to
)) == NULL
)
2130 np
= lextract(addr
, GEXTRA
|
2131 (ok_blook(fullnames
) ? GFULL
| GSKIN
: GSKIN
));
2135 checkaddrs(usermap(np
, TRU1
), EACM_STRICT
| EACM_NOLOG
,
2137 if (fmt("Reply-To:", np
, fo
, ff
))
2143 if ((w
& GIDENT
) && !nosend_msg
) {
2144 /* Mail-Followup-To: TODO factor out this huge block of code */
2145 /* Place ourselfs in there if any non-subscribed list is an addressee */
2146 if((hp
->h_flags
& HF_LIST_REPLY
) || hp
->h_mft
!= NULL
||
2147 ok_blook(followup_to
)){
2149 _ANYLIST
= 1u<<(HF__NEXT_SHIFT
+ 0),
2150 _HADMFT
= 1u<<(HF__NEXT_SHIFT
+ 1)
2152 struct name
*mft
, **mftp
, *x
;
2155 f
= hp
->h_flags
| (hp
->h_mft
!= NULL
? _HADMFT
: 0);
2159 /* But for that, we have to remove all incarnations of ourselfs first.
2160 * TODO It is total crap that we have alternates_remove(), is_myname()
2161 * TODO or whatever; these work only with variables, not with data
2162 * TODO that is _currently_ in some header fields!!! v15.0: complete
2163 * TODO rewrite, object based, lazy evaluated, on-the-fly marked.
2164 * TODO then this should be a really cheap thing in here... */
2165 np
= elide(n_alternates_remove(cat(
2166 namelist_dup(hp
->h_to
, GEXTRA
| GFULL
),
2167 namelist_dup(hp
->h_cc
, GEXTRA
| GFULL
)), FAL0
));
2168 addr
= hp
->h_list_post
;
2170 while((x
= np
) != NULL
){
2175 /* XXX is_mlist_mp()?? */
2176 if((ml
= is_mlist(x
->n_name
, FAL0
)) == MLIST_OTHER
&&
2177 addr
!= NULL
&& !asccasecmp(addr
, x
->n_name
))
2180 /* Any non-subscribed list? Add ourselves */
2185 case MLIST_SUBSCRIBED
:
2189 if(!(f
& HF_LIST_REPLY
)){
2191 if(!is_addr_invalid(x
,
2192 EACM_STRICT
| EACM_NOLOG
| EACM_NONAME
)){
2197 } /* XXX write some warning? if verbose?? */
2200 /* And if this is a reply that honoured a M-F-T: header then
2201 * we'll also add all members of the original M-F-T: that are
2202 * still addressed by us, regardless of other circumstances */
2203 else if(f
& _HADMFT
){
2206 for(ox
= hp
->h_mft
; ox
!= NULL
; ox
= ox
->n_flink
)
2207 if(!asccasecmp(ox
->n_name
, x
->n_name
))
2214 if((f
& (_ANYLIST
| _HADMFT
)) && mft
!= NULL
){
2215 if(((f
& HF_MFT_SENDER
) ||
2216 ((f
& (_ANYLIST
| _HADMFT
)) == _HADMFT
)) &&
2217 (np
= fromasender
) != NULL
&& np
!= (struct name
*)0x1)
2218 *mftp
= ndup(np
, (np
->n_type
& ~GMASK
) | GEXTRA
| GFULL
);
2220 if(fmt("Mail-Followup-To:", mft
, fo
, ff
))
2226 if (!_check_dispo_notif(fromasender
, hp
, fo
))
2230 if ((w
& GUA
) && stealthmua
== 0) {
2231 if (fprintf(fo
, "User-Agent: %s %s\n", n_uagent
,
2232 (n_psonce
& n_PSO_REPRODUCIBLE
2233 ? n_reproducible_name
: ok_vlook(version
))) < 0)
2238 /* Custom headers, as via -C and *customhdr* TODO JOINED AFTER COMPOSE! */
2240 struct n_header_field
*chlp
[2], *hfp
;
2243 chlp
[0] = n_poption_arg_C
;
2244 chlp
[1] = n_customhdr_list
;
2246 for(i
= 0; i
< n_NELEM(chlp
); ++i
)
2247 if((hfp
= chlp
[i
]) != NULL
){
2248 if(!_sendout_header_list(fo
, hfp
, nodisp
))
2254 /* The user may have placed headers when editing */
2256 struct n_header_field
*hfp
;
2258 if((hfp
= hp
->h_user_headers
) != NULL
){
2259 if(!_sendout_header_list(fo
, hfp
, nodisp
))
2265 /* We don't need MIME unless.. we need MIME?! */
2266 if ((w
& GMIME
) && ((n_pstate
& n_PS_HEADER_NEEDED_MIME
) ||
2267 hp
->h_attach
!= NULL
||
2268 ((n_poption
& n_PO_Mm_FLAG
) && n_poption_arg_Mm
!= NULL
) ||
2269 convert
!= CONV_7BIT
|| !n_iconv_name_is_ascii(charset
))) {
2271 if (fputs("MIME-Version: 1.0\n", fo
) == EOF
)
2273 if (hp
->h_attach
!= NULL
) {
2274 _sendout_boundary
= mime_param_boundary_create();/*TODO carrier*/
2276 "Content-Type: multipart/mixed;\n boundary=\"%s\"\n",
2277 _sendout_boundary
) < 0)
2280 if(a_sendout_put_ct(fo
, contenttype
, charset
) < 0 ||
2281 a_sendout_put_cte(fo
, convert
) < 0)
2286 if (gotcha
&& (w
& GNL
))
2287 if (putc('\n', fo
) == EOF
)
2293 #undef FMT_CC_AND_BCC
2297 resend_msg(struct message
*mp
, struct header
*hp
, bool_t add_resent
)
2300 struct sendbundle sb
;
2301 FILE * volatile ibuf
, *nfo
, * volatile nfi
;
2304 enum okay
volatile rv
;
2307 _sendout_error
= FAL0
;
2308 __sendout_ident
= NULL
;
2309 n_pstate_err_no
= n_ERR_INVAL
;
2314 n_SIGMAN_ENTER_SWITCH(&sm
, n_SIGMAN_ALL
) {
2321 /* Update some globals we likely need first */
2322 time_current_update(&time_current
, TRU1
);
2324 /* If we fail we delay that a bit until we can write $DEAD! */
2326 to
= checkaddrs(to
, (EACM_NORMAL
|
2327 (!(expandaddr_to_eaf() & EAF_NAME
) ? EACM_NONAME
: EACM_NONE
)),
2329 if(_sendout_error
< 0){
2330 n_err(_("Some addressees were classified as \"hard error\"\n"));
2331 n_pstate_err_no
= n_ERR_PERM
;
2332 }else if(to
== NULL
){
2333 n_err(_("No recipients specified\n"));
2334 n_pstate_err_no
= n_ERR_DESTADDRREQ
;
2337 if((nfo
= Ftmp(&tempMail
, "resend", OF_WRONLY
| OF_HOLDSIGS
| OF_REGISTER
)
2339 _sendout_error
= TRU1
;
2340 n_perr(_("resend_msg: temporary mail file"), 0);
2341 n_pstate_err_no
= n_ERR_IO
;
2344 if((nfi
= Fopen(tempMail
, "r")) == NULL
){
2345 n_perr(tempMail
, 0);
2346 n_pstate_err_no
= n_ERR_IO
;
2348 Ftmp_release(&tempMail
);
2352 if((ibuf
= setinput(&mb
, mp
, NEED_BODY
)) == NULL
){
2353 n_pstate_err_no
= n_ERR_IO
;
2357 /* Honour delayed error */
2358 if(_sendout_error
!= 0)
2364 if((cp
= ok_vlook(on_resend_enter
)) != NULL
){
2365 /*setup_from_and_sender(hp);*/
2366 temporary_compose_mode_hook_call(cp
, &n_temporary_compose_hook_varset
,
2371 memset(&sb
, 0, sizeof sb
);
2374 if(!_sendout_error
&&
2375 count_nonlocal(to
) > 0 && !_sendbundle_setup_creds(&sb
, FAL0
)){
2376 /* ..wait until we can write DEAD */
2377 n_pstate_err_no
= n_ERR_INVAL
;
2378 _sendout_error
= -1;
2381 if(infix_resend(ibuf
, nfo
, mp
, to
, add_resent
) != 0){
2383 savedeadletter(nfi
, TRU1
);
2384 n_err(_("... message not sent\n"));
2390 _sendout_error
= TRU1
;
2394 if(_sendout_error
< 0)
2403 /* Deliver pipe and file addressees */
2404 b
= (ok_blook(record_files
) && count(to
) > 0);
2405 to
= a_sendout_file_a_pipe(to
, nfi
, &_sendout_error
);
2408 savedeadletter(nfi
, FAL0
);
2410 to
= elide(to
); /* XXX only to drop GDELs due a_sendout_file_a_pipe()! */
2411 c
= (count(to
) > 0);
2414 if(!ok_blook(record_resent
) || mightrecord(nfi
, NULL
, TRU1
)){
2416 /*sb.sb_input = nfi;*/
2417 if(!c
|| _transfer(&sb
))
2420 }else if(!_sendout_error
)
2424 n_sigman_cleanup_ping(&sm
);
2432 if((cp
= ok_vlook(on_resend_cleanup
)) != NULL
)
2433 temporary_compose_mode_hook_call(cp
, NULL
, NULL
);
2435 temporary_compose_mode_hook_unroll();
2440 n_exit_status
|= n_EXIT_SEND_ERROR
;
2442 n_pstate_err_no
= n_ERR_NONE
;
2444 n_sigman_leave(&sm
, n_SIGMAN_VIPSIGS_NTTYOUT
);
2449 savedeadletter(FILE *fp
, bool_t fflush_rewind_first
){
2450 struct n_string line
;
2452 enum {a_NONE
, a_INIT
= 1<<0, a_BODY
= 1<<1, a_NL
= 1<<2} flags
;
2455 char const *cp
, *cpq
;
2461 if(fflush_rewind_first
){
2468 cp
= n_getdeadletter();
2469 cpq
= n_shexp_quote_cp(cp
, FAL0
);
2471 if(n_poption
& n_PO_DEBUG
){
2472 n_err(_(">>> Would (try to) write $DEAD %s\n"), cpq
);
2476 if((dbuf
= Fopen(cp
, "w")) == NULL
){
2477 n_perr(_("Cannot save to $DEAD"), 0);
2480 n_file_lock(fileno(dbuf
), FLT_WRITE
, 0,0, UIZ_MAX
); /* XXX Natomic */
2482 fprintf(n_stdout
, "%s ", cpq
);
2485 /* TODO savedeadletter() non-conforming: should check whether we have any
2486 * TODO headers, if not we need to place "something", anything will do.
2487 * TODO MIME is completely missing, we use MBOXO quoting!! Yuck.
2488 * TODO I/O error handling missing. Yuck! */
2489 n_string_reserve(n_string_creat_auto(&line
), 2 * SEND_LINESIZE
);
2490 bytes
= (ul_i
)fprintf(dbuf
, "From %s %s",
2491 ok_vlook(LOGNAME
), time_current
.tc_ctime
);
2493 for(flags
= a_NONE
, c
= '\0'; c
!= EOF
; bytes
+= line
.s_len
, ++lines
){
2494 n_string_trunc(&line
, 0);
2495 while((c
= getc(fp
)) != EOF
&& c
!= '\n')
2496 n_string_push_c(&line
, c
);
2498 /* TODO It may be that we have only some plain text. It may be that we
2499 * TODO have a complete MIME encoded message. We don't know, and we
2500 * TODO have no usable mechanism to dig it!! We need v15! */
2501 if(!(flags
& a_INIT
)){
2504 /* Throw away leading empty lines! */
2507 for(i
= 0; i
< line
.s_len
; ++i
){
2508 if(fieldnamechar(line
.s_dat
[i
]))
2510 if(line
.s_dat
[i
] == ':'){
2514 /* We have no headers, this is already a body line! */
2515 flags
|= a_INIT
| a_BODY
;
2519 /* Well, i had to check whether the RFC allows this. Assume we've
2520 * passed the headers, too, then! */
2522 flags
|= a_INIT
| a_BODY
;
2525 if(line
.s_len
>= 5 && !memcmp(line
.s_dat
, "From ", 5))
2526 n_string_unshift_c(&line
, '>');
2529 flags
|= a_BODY
| a_NL
;
2533 n_string_push_c(&line
, '\n');
2534 fwrite(line
.s_dat
, sizeof *line
.s_dat
, line
.s_len
, dbuf
);
2536 if(!(flags
& a_NL
)){
2541 n_string_gut(&line
);
2544 fprintf(n_stdout
, "%lu/%lu\n", lines
, bytes
);
2552 #undef SEND_LINESIZE