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 - 2017 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 SINLINE
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_flags
&= ~NAME_FULLNAME_SALLOC
;
147 xp
->n_fullname
= xp
->n_name
;
148 xp
->n_fullextra
= NULL
;
155 _putname(char const *line
, enum gfield w
, enum sendaction action
,
156 size_t *gotcha
, char const *prefix
, FILE *fo
, struct name
**xp
,
157 enum gfield addflags
)
163 np
= lextract(line
, GEXTRA
| GFULL
| addflags
);
168 else if (fmt(prefix
, np
, fo
, ((w
& GCOMMA
) |
169 ((action
!= SEND_TODISP
) ? FMT_DOMIME
: 0))))
171 else if (gotcha
!= NULL
)
178 a_sendout_put_ct(FILE *fo
, char const *contenttype
, char const *charset
){
182 if((rv
= fprintf(fo
, "Content-Type: %s", contenttype
)) < 0)
188 if(putc(';', fo
) == EOF
)
192 if(strlen(contenttype
) + sizeof("Content-Type: ;")-1 > 50){
193 if(putc('\n', fo
) == EOF
)
204 lcs
= n_lofi_alloc(l
+1);
206 for(l
= 0; *charset
!= '\0'; ++l
, ++charset
)
207 lcs
[l
] = lowerconv(*charset
);
211 i
= fprintf(fo
, " charset=%s", charset
);
221 if(putc('\n', fo
) == EOF
)
233 a_sendout_put_cte(FILE *fo
, enum conversion conv
){
238 * This is the default value -- that is,
239 * "Content-Transfer-Encoding: 7BIT" is assumed if the
240 * Content-Transfer-Encoding header field is not present.
242 rv
= (conv
== CONV_7BIT
) ? 0
243 : fprintf(fo
, "Content-Transfer-Encoding: %s\n",
244 mime_enc_from_conversion(conv
));
250 a_sendout_put_cd(FILE *fo
, char const *cd
, char const *filename
){
258 /* xxx Ugly with the trailing space in case of wrap! */
259 if((rv
= fprintf(fo
, "Content-Disposition: %s; ", cd
)) < 0)
262 if(!(mpc
= mime_param_create(&f
, "filename", filename
)))
264 /* Always fold if result contains newlines */
265 if(mpc
< 0 || f
.l
+ rv
> MIME_LINELEN
) { /* FIXME MIME_LINELEN_MAX */
266 if(putc('\n', fo
) == EOF
|| putc(' ', fo
) == EOF
)
270 if(fputs(f
.s
, fo
) == EOF
|| putc('\n', fo
) == EOF
)
284 _sendout_header_list(FILE *fo
, struct n_header_field
*hfp
, bool_t nodisp
){
288 for(rv
= TRU1
; hfp
!= NULL
; hfp
= hfp
->hf_next
)
289 if(fwrite(hfp
->hf_dat
, sizeof(char), hfp
->hf_nl
, fo
) != hfp
->hf_nl
||
290 putc(':', fo
) == EOF
|| putc(' ', fo
) == EOF
||
291 xmime_write(hfp
->hf_dat
+ hfp
->hf_nl
+1, hfp
->hf_bl
, fo
,
292 (!nodisp
? CONV_NONE
: CONV_TOHDR
),
293 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
, NULL
) < 0 ||
294 putc('\n', fo
) == EOF
){
303 a_sendout_body(FILE *fo
, FILE *fi
, enum conversion convert
){
304 struct str outrest
, inrest
;
306 size_t sz
, bufsize
, cnt
;
313 buf
= n_alloc(bufsize
= SEND_LINESIZE
);
314 outrest
.s
= inrest
.s
= NULL
;
315 outrest
.l
= inrest
.l
= 0;
317 if(convert
== CONV_TOQP
319 || iconvd
!= (iconv_t
)-1
327 if(convert
== CONV_TOQP
329 || iconvd
!= (iconv_t
)-1
332 if(fgetline(&buf
, &bufsize
, &cnt
, &sz
, fi
, 0) == NULL
)
334 }else if((sz
= fread(buf
, sizeof *buf
, bufsize
, fi
)) == 0)
337 if(xmime_write(buf
, sz
, fo
, convert
, TD_ICONV
, &outrest
,
338 (iseof
> FAL0
? NULL
: &inrest
)) < 0)
341 if(iseof
<= FAL0
&& (outrest
.l
!= 0 || inrest
.l
!= 0)){
343 iseof
= (iseof
|| inrest
.l
== 0) ? TRU1
: TRUM1
;
347 rv
= ferror(fi
) ? n_ERR_IO
: n_ERR_NONE
;
349 if(outrest
.s
!= NULL
)
360 a_sendout_attach_file(struct header
*hp
, struct attachment
*ap
, FILE *fo
)
362 /* TODO of course, the MIME classification needs to performed once
363 * TODO only, not for each and every charset anew ... ;-// */
364 char *charset_iter_orig
[2];
369 /* Is this already in target charset? Simply copy over */
370 if (ap
->a_conv
== AC_TMPFILE
) {
371 err
= a_sendout__attach_file(hp
, ap
, fo
);
373 DBG( ap
->a_tmpf
= NULL
; )
377 /* If we don't apply charset conversion at all (fixed input=ouput charset)
378 * we also simply copy over, since it's the users desire */
379 if (ap
->a_conv
== AC_FIX_INCS
) {
380 ap
->a_charset
= ap
->a_input_charset
;
381 err
= a_sendout__attach_file(hp
, ap
, fo
);
384 assert(ap
->a_input_charset
!= NULL
);
386 /* Otherwise we need to iterate over all possible output charsets */
387 if ((offs
= ftell(fo
)) == -1) {
391 charset_iter_recurse(charset_iter_orig
);
392 for (charset_iter_reset(NULL
);; charset_iter_next()) {
393 if (!charset_iter_is_valid()) {
397 err
= a_sendout__attach_file(hp
, ap
, fo
);
398 if (err
== 0 || (err
!= n_ERR_ILSEQ
&& err
!= n_ERR_INVAL
))
401 if (fseek(fo
, offs
, SEEK_SET
) == -1) {
405 if (ap
->a_conv
!= AC_DEFAULT
) {
409 ap
->a_charset
= NULL
;
411 charset_iter_restore(charset_iter_orig
);
418 a_sendout__attach_file(struct header
*hp
, struct attachment
*ap
, FILE *fo
)
420 int err
= 0, do_iconv
;
423 enum conversion convert
;
426 /* Either charset-converted temporary file, or plain path */
427 if (ap
->a_conv
== AC_TMPFILE
) {
429 assert(ftell(fi
) == 0);
430 } else if ((fi
= Fopen(ap
->a_path
, "r")) == NULL
) {
432 n_err(_("%s: %s\n"), n_shexp_quote_cp(ap
->a_path
, FAL0
),
437 /* MIME part header for attachment */
438 { char const *ct
, *cp
;
440 ct
= ap
->a_content_type
;
441 charset
= ap
->a_charset
;
442 convert
= n_mimetype_classify_file(fi
, (char const**)&ct
,
443 &charset
, &do_iconv
);
444 if (charset
== NULL
|| ap
->a_conv
== AC_FIX_INCS
||
445 ap
->a_conv
== AC_TMPFILE
)
448 if (fprintf(fo
, "\n--%s\n", _sendout_boundary
) < 0 ||
449 a_sendout_put_ct(fo
, ct
, charset
) < 0 ||
450 a_sendout_put_cte(fo
, convert
) < 0 ||
451 a_sendout_put_cd(fo
, ap
->a_content_disposition
, ap
->a_name
) < 0)
454 if((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")){
457 /* TODO RFC 2046 specifies that the same Content-ID should be used
458 * TODO for identical data; this is too hard for use right now,
459 * TODO because if done right it should be checksum based!?! */
460 if((np
= ap
->a_content_id
) != NULL
)
463 cp
= a_sendout_random_id(hp
, FAL0
);
465 if(cp
!= NULL
&& fprintf(fo
, "Content-ID: <%s>\n", cp
) < 0)
469 if ((cp
= ap
->a_content_description
) != NULL
&&
470 (fputs("Content-Description: ", fo
) == EOF
||
471 xmime_write(cp
, strlen(cp
), fo
, CONV_TOHDR
, (TD_ISPR
| TD_ICONV
),
472 NULL
, NULL
) < 0 || putc('\n', fo
) == EOF
))
475 if (putc('\n', fo
) == EOF
) {
483 if (iconvd
!= (iconv_t
)-1)
484 n_iconv_close(iconvd
);
486 if (asccasecmp(charset
, ap
->a_input_charset
) &&
487 (iconvd
= n_iconv_open(charset
, ap
->a_input_charset
)
488 ) == (iconv_t
)-1 && (err
= n_err_no
) != 0) {
489 if (err
== n_ERR_INVAL
)
490 n_err(_("Cannot convert from %s to %s\n"), ap
->a_input_charset
,
493 n_err(_("iconv_open: %s\n"), n_err_to_doc(err
));
499 err
= a_sendout_body(fo
, fi
, convert
);
501 if(ap
->a_conv
!= AC_TMPFILE
)
510 _sendbundle_setup_creds(struct sendbundle
*sbp
, bool_t signing_caps
)
512 bool_t v15
, rv
= FAL0
;
519 v15
= ok_blook(v15_compat
);
520 shost
= (v15
? ok_vlook(smtp_hostname
) : NULL
);
521 from
= ((signing_caps
|| !v15
|| shost
== NULL
)
522 ? skin(myorigin(sbp
->sb_hp
)) : NULL
);
527 n_err(_("No *from* address for signing specified\n"));
531 sbp
->sb_signer
.l
= strlen(sbp
->sb_signer
.s
= from
);
537 if ((smtp
= ok_vlook(smtp
)) == NULL
) { /* TODO v15 url_creat(,ok_vlook(mta)*/
540 /* *smtp* OBSOLETE message in mta_start() */
541 if((proto
= n_servbyname(smtp
= ok_vlook(mta
), NULL
)) == NULL
||
548 if (!url_parse(&sbp
->sb_url
, CPROTO_SMTP
, smtp
))
555 sbp
->sb_url
.url_u_h
.l
= strlen(sbp
->sb_url
.url_u_h
.s
= from
);
557 __sendout_ident
= sbp
->sb_url
.url_u_h
.s
;
558 if (!ccred_lookup(&sbp
->sb_ccred
, &sbp
->sb_url
))
561 if ((sbp
->sb_url
.url_flags
& n_URL_HAD_USER
) ||
562 sbp
->sb_url
.url_pass
.s
!= NULL
) {
563 n_err(_("New-style URL used without *v15-compat* being set\n"));
566 /* TODO part of the entire myorigin() disaster, get rid of this! */
569 n_err(_("Your configuration requires a *from* address, "
570 "but none was given\n"));
573 if (!ccred_lookup_old(&sbp
->sb_ccred
, CPROTO_SMTP
, from
))
575 sbp
->sb_url
.url_u_h
.l
= strlen(sbp
->sb_url
.url_u_h
.s
= from
);
579 #endif /* HAVE_SMTP */
580 #if defined HAVE_SSL || defined HAVE_SMTP
588 a_sendout_attach_msg(struct header
*hp
, struct attachment
*ap
, FILE *fo
)
596 fprintf(fo
, "\n--%s\nContent-Type: message/rfc822\n"
597 "Content-Disposition: inline\n", _sendout_boundary
);
598 if ((ccp
= ap
->a_content_description
) != NULL
)
599 fprintf(fo
, "Content-Description: %s\n", ccp
);/* TODO MIME! */
602 mp
= message
+ ap
->a_msgno
- 1;
604 rv
= (sendmp(mp
, fo
, 0, NULL
, SEND_RFC822
, NULL
) < 0) ? -1 : 0;
610 make_multipart(struct header
*hp
, int convert
, FILE *fi
, FILE *fo
,
611 char const *contenttype
, char const *charset
)
613 struct attachment
*att
;
617 fputs("This is a multi-part message in MIME format.\n", fo
);
621 if(fprintf(fo
, "\n--%s\n", _sendout_boundary
) < 0 ||
622 a_sendout_put_ct(fo
, contenttype
, charset
) < 0 ||
623 a_sendout_put_cte(fo
, convert
) < 0 ||
624 fprintf(fo
, "Content-Disposition: inline\n") < 0)
626 if (((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")) &&
627 (cp
= a_sendout_random_id(hp
, FAL0
)) != NULL
&&
628 fprintf(fo
, "Content-ID: <%s>\n", cp
) < 0)
630 if(putc('\n', fo
) == EOF
)
633 if(a_sendout_body(fo
, fi
, convert
) != 0)
640 for (att
= hp
->h_attach
; att
!= NULL
; att
= att
->a_flink
) {
642 if (a_sendout_attach_msg(hp
, att
, fo
) != 0)
644 } else if (a_sendout_attach_file(hp
, att
, fo
) != 0)
648 /* the final boundary with two attached dashes */
649 fprintf(fo
, "\n--%s--\n", _sendout_boundary
);
657 infix(struct header
*hp
, FILE *fi
) /* TODO check */
660 enum conversion convert
;
662 char const *contenttype
, *charset
;
665 char const *tcs
, *convhdr
= NULL
;
673 if ((nfo
= Ftmp(&tempMail
, "infix", OF_WRONLY
| OF_HOLDSIGS
| OF_REGISTER
))
675 n_perr(_("temporary mail file"), 0);
678 if ((nfi
= Fopen(tempMail
, "r")) == NULL
) {
682 Ftmp_release(&tempMail
);
686 n_pstate
&= ~n_PS_HEADER_NEEDED_MIME
; /* TODO hack -> be carrier tracked */
688 contenttype
= "text/plain";
689 if((n_poption
& n_PO_Mm_FLAG
) && n_poption_arg_Mm
!= NULL
)
690 contenttype
= n_poption_arg_Mm
;
691 convert
= n_mimetype_classify_file(fi
, &contenttype
, &charset
, &do_iconv
);
694 tcs
= ok_vlook(ttycharset
);
695 if ((convhdr
= need_hdrconv(hp
))) {
696 if (iconvd
!= (iconv_t
)-1) /* XXX */
697 n_iconv_close(iconvd
);
698 if (asccasecmp(convhdr
, tcs
) != 0 &&
699 (iconvd
= n_iconv_open(convhdr
, tcs
)) == (iconv_t
)-1 &&
700 (err
= n_err_no
) != 0)
704 if(puthead(FAL0
, hp
, nfo
,
705 (GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GCOMMA
| GUA
| GMIME
| GMSGID
|
706 GIDENT
| GREF
| GDATE
), SEND_MBOX
, convert
, contenttype
, charset
)){
711 if (iconvd
!= (iconv_t
)-1)
712 n_iconv_close(iconvd
);
716 if (do_iconv
&& charset
!= NULL
) { /*TODO charset->n_mimetype_classify_file*/
717 if (asccasecmp(charset
, tcs
) != 0 &&
718 (iconvd
= n_iconv_open(charset
, tcs
)) == (iconv_t
)-1 &&
719 (err
= n_err_no
) != 0) {
721 if (err
== n_ERR_INVAL
)
722 n_err(_("Cannot convert from %s to %s\n"), tcs
, charset
);
724 n_perr("iconv_open", 0);
730 if(hp
->h_attach
!= NULL
){
731 if(make_multipart(hp
, convert
, fi
, nfo
, contenttype
, charset
) != 0){
735 }else if(a_sendout_body(nfo
, fi
, convert
) != 0){
741 if((err
= ferror(nfo
)))
742 n_perr(_("temporary mail file"), 0);
755 if(iconvd
!= (iconv_t
)-1)
756 n_iconv_close(iconvd
);
763 _check_dispo_notif(struct name
*mdn
, struct header
*hp
, FILE *fo
)
769 /* TODO smtp_disposition_notification (RFC 3798): relation to return-path
770 * TODO not yet checked */
771 if (!ok_blook(disposition_notification_send
))
774 if (mdn
!= NULL
&& mdn
!= (struct name
*)0x1)
776 else if ((from
= myorigin(hp
)) == NULL
) {
777 if (n_poption
& n_PO_D_V
)
778 n_err(_("*disposition-notification-send*: *from* not set\n"));
782 if (fmt("Disposition-Notification-To:", nalloc(n_UNCONST(from
), 0), fo
, 0))
790 sendmail_internal(void *v
, int recipient_record
)
797 memset(&head
, 0, sizeof head
);
798 head
.h_mailx_command
= "mail";
799 if((head
.h_to
= lextract(str
, GTO
|
800 (ok_blook(fullnames
) ? GFULL
| GSKIN
: GSKIN
))) != NULL
)
801 head
.h_mailx_raw_to
= namelist_dup(head
.h_to
, head
.h_to
->n_type
);
802 rv
= mail1(&head
, 0, NULL
, NULL
, recipient_record
, 0);
804 return (rv
!= OKAY
); /* reverse! */
808 a_sendout_file_a_pipe(struct name
*names
, FILE *fo
, bool_t
*senderror
){
809 ui32_t pipecnt
, xcnt
, i
;
818 /* Look through all recipients and do a quick return if no file or pipe
819 * addressee is found */
820 for(pipecnt
= xcnt
= 0, np
= names
; np
!= NULL
; np
= np
->n_flink
){
821 if(np
->n_type
& GDEL
)
823 switch(np
->n_flags
& NAME_ADDRSPEC_ISFILEORPIPE
){
824 case NAME_ADDRSPEC_ISFILE
: ++xcnt
; break;
825 case NAME_ADDRSPEC_ISPIPE
: ++pipecnt
; break;
828 if((pipecnt
| xcnt
) == 0)
831 /* Otherwise create an array of file descriptors for each found pipe
832 * addressee to get around the dup(2)-shared-file-offset problem, i.e.,
833 * each pipe subprocess needs its very own file descriptor, and we need
835 * To make our life a bit easier let's just use the auto-reclaimed
837 if(pipecnt
== 0 || (n_poption
& n_PO_DEBUG
)){
841 i
= sizeof(FILE*) * pipecnt
;
842 fppa
= n_lofi_alloc(i
);
844 sh
= ok_vlook(SHELL
);
847 for(np
= names
; np
!= NULL
; np
= np
->n_flink
){
848 if(!(np
->n_flags
& NAME_ADDRSPEC_ISFILEORPIPE
) || (np
->n_type
& GDEL
))
851 /* In days of old we removed the entry from the the list; now for sake of
852 * header expansion we leave it in and mark it as deleted */
855 if(n_poption
& n_PO_D_VV
)
856 n_err(_(">>> Writing message via %s\n"),
857 n_shexp_quote_cp(np
->n_name
, FAL0
));
858 /* We _do_ write to STDOUT, anyway! */
859 if((n_poption
& n_PO_DEBUG
) && ((np
->n_flags
& NAME_ADDRSPEC_ISPIPE
) ||
860 np
->n_name
[0] != '-' || np
->n_name
[1] != '\0'))
863 /* See if we have copied the complete message out yet. If not, do so */
868 if((fp
= Ftmp(&tempEdit
, "outof", OF_RDWR
| OF_HOLDSIGS
| OF_REGISTER
)
870 n_perr(_("Creation of temporary image"), 0);
875 for(i
= 0; i
< pipecnt
; ++i
)
876 if((fppa
[i
] = Fopen(tempEdit
, "r")) == NULL
){
877 n_perr(_("Creation of pipe image descriptor"), 0);
881 Ftmp_release(&tempEdit
);
887 fprintf(fp
, "From %s %s", ok_vlook(LOGNAME
), time_current
.tc_ctime
);
889 while(i
= c
, (c
= getc(fo
)) != EOF
)
897 n_perr(_("Finalizing write of temporary image"), 0);
901 /* From now on use xcnt as a counter for pipecnt */
905 /* Now either copy "image" to the desired file or give it as the standard
906 * input to the desired program as appropriate */
907 if(np
->n_flags
& NAME_ADDRSPEC_ISPIPE
){
912 sigaddset(&nset
, SIGHUP
);
913 sigaddset(&nset
, SIGINT
);
914 sigaddset(&nset
, SIGQUIT
);
915 pid
= n_child_start(sh
, &nset
, fileno(fppa
[xcnt
++]), n_CHILD_FD_NULL
,
916 "-c", &np
->n_name
[1], NULL
, NULL
);
918 n_err(_("Piping message to %s failed\n"),
919 n_shexp_quote_cp(np
->n_name
, FAL0
));
926 char const *fname
, *fnameq
;
928 if((fname
= fexpand(np
->n_name
, FEXP_LOCAL
| FEXP_NOPROTO
)) == NULL
)
930 fnameq
= n_shexp_quote_cp(fname
, FAL0
);
932 if(fname
[0] == '-' && fname
[1] == '\0')
936 enum n_fopen_state fs
;
938 if((fout
= n_fopen_any(fname
, "a+", &fs
)) == NULL
){
941 n_err(_("Writing message to %s failed: %s\n"),
942 fnameq
, n_err_to_doc(xerr
));
946 if((fs
& (n_PROTO_MASK
| n_FOPEN_STATE_EXISTS
)) ==
947 (n_PROTO_FILE
| n_FOPEN_STATE_EXISTS
)){
948 n_file_lock(fileno(fout
), FLT_WRITE
, 0,0, UIZ_MAX
);
950 if((xerr
= n_folder_mbox_prepare_append(fout
, NULL
)
957 while((c
= getc(fp
)) != EOF
)
960 n_err(_("Writing message to %s failed: %s\n"),
961 fnameq
, _("write error"));
974 for(i
= 0; i
< pipecnt
; ++i
)
975 if((fp
= fppa
[i
]) != NULL
)
985 if(np
->n_flags
& NAME_ADDRSPEC_ISFILEORPIPE
)
993 mightrecord(FILE *fp
, struct name
*to
, bool_t resend
){
1001 if(n_poption
& n_PO_DEBUG
)
1003 else if(to
!= NULL
){
1004 ccp
= cp
= savestr(skinned_name(to
));
1005 while(*cp
!= '\0' && *cp
!= '@')
1009 ccp
= ok_vlook(record
);
1012 if((cp
= fexpand(ccp
, FEXP_FULL
)) == NULL
)
1015 switch(*(ccp
= cp
)){
1017 if(cp
[1] != '/'){ /* DIRSEP */
1019 if(ok_blook(outfolder
)){
1021 char const *nccp
, *folder
;
1023 switch(which_protocol(ccp
, TRU1
, FAL0
, &nccp
)){
1031 folder
= n_folder_query();
1033 if(which_protocol(folder
, FAL0
, FAL0
, NULL
) == PROTO_IMAP
){
1034 n_err(_("(*record*): *outfolder* set, *folder* is IMAP "
1035 "based: only one protocol per file is possible\n"));
1039 ccp
= str_concat_csvl(&s
, ccp
, folder
, nccp
, NULL
)->s
;
1051 if(!a_sendout__savemail(ccp
, fp
, resend
)){
1053 n_err(_("Failed to save message in %s - message not sent\n"),
1054 n_shexp_quote_cp(ccp
, FAL0
));
1055 n_exit_status
|= n_EXIT_ERR
;
1056 savedeadletter(fp
, 1);
1065 a_sendout__savemail(char const *name
, FILE *fp
, bool_t resend
){
1067 size_t bufsize
, buflen
, cnt
;
1068 enum n_fopen_state fs
;
1069 bool_t rv
, emptyline
;
1073 buf
= smalloc(bufsize
= LINESIZE
);
1076 if((fo
= n_fopen_any(name
, "a+", &fs
)) == NULL
){
1081 if((fs
& (n_PROTO_MASK
| n_FOPEN_STATE_EXISTS
)) ==
1082 (n_PROTO_FILE
| n_FOPEN_STATE_EXISTS
)){
1085 /* TODO RETURN check, but be aware of protocols: v15: Mailbox->lock()!
1086 * TODO BETTER yet: should be returned in lock state already! */
1087 n_file_lock(fileno(fo
), FLT_WRITE
, 0,0, UIZ_MAX
);
1089 if((xerr
= n_folder_mbox_prepare_append(fo
, NULL
)) != n_ERR_NONE
){
1098 fprintf(fo
, "From %s %s", ok_vlook(LOGNAME
), time_current
.tc_ctime
);
1099 for(emptyline
= FAL0
, buflen
= 0, cnt
= fsize(fp
);
1100 fgetline(&buf
, &bufsize
, &cnt
, &buflen
, fp
, 0) != NULL
;){
1101 /* Only if we are resending it can happen that we have to quote From_
1102 * lines here; we don't generate messages which are ambiguous ourselves */
1104 if(emptyline
&& is_head(buf
, buflen
, FAL0
))
1106 }DBG(else assert(!is_head(buf
, buflen
, FAL0
)); )
1108 emptyline
= (buflen
> 0 && *buf
== '\n');
1109 fwrite(buf
, sizeof *buf
, buflen
, fo
);
1111 if(buflen
> 0 && buf
[buflen
- 1] != '\n')
1131 _transfer(struct sendbundle
*sbp
)
1138 for (cnt
= 0, np
= sbp
->sb_to
; np
!= NULL
;) {
1139 char const k
[] = "smime-encrypt-", *cp
;
1140 size_t nl
= strlen(np
->n_name
);
1141 char *vs
= ac_alloc(sizeof(k
)-1 + nl
+1);
1142 memcpy(vs
, k
, sizeof(k
) -1);
1143 memcpy(vs
+ sizeof(k
) -1, np
->n_name
, nl
+1);
1145 if ((cp
= n_var_vlook(vs
, FAL0
)) != NULL
) {
1149 if ((ef
= smime_encrypt(sbp
->sb_input
, cp
, np
->n_name
)) != NULL
) {
1150 FILE *fisave
= sbp
->sb_input
;
1151 struct name
*nsave
= sbp
->sb_to
;
1153 sbp
->sb_to
= ndup(np
, np
->n_type
& ~(GFULL
| GSKIN
));
1155 if (!__mta_start(sbp
))
1158 sbp
->sb_input
= fisave
;
1163 n_err(_("No SSL support compiled in\n"));
1166 n_err(_("Message not sent to: %s\n"), np
->n_name
);
1167 _sendout_error
= TRU1
;
1171 rewind(sbp
->sb_input
);
1173 if (np
->n_flink
!= NULL
)
1174 np
->n_flink
->n_blink
= np
->n_blink
;
1175 if (np
->n_blink
!= NULL
)
1176 np
->n_blink
->n_flink
= np
->n_flink
;
1177 if (np
== sbp
->sb_to
)
1178 sbp
->sb_to
= np
->n_flink
;
1187 if (cnt
> 0 && (ok_blook(smime_force_encryption
) || !__mta_start(sbp
)))
1194 __mta_start(struct sendbundle
*sbp
)
1198 char const **args
, *mta
;
1202 /* Let rv mean "is smtp-based MTA" */
1203 if((mta
= ok_vlook(smtp
)) != NULL
){
1204 n_OBSOLETE(_("please don't use *smtp*: assign a smtp:// URL to *mta*!"));
1205 /* For *smtp* the smtp:// protocol was optional; be simple: don't check
1206 * that *smtp* is misused with file:// or so */
1207 if(n_servbyname(mta
, NULL
) == NULL
)
1208 mta
= savecat("smtp://", mta
);
1213 mta
= ok_vlook(mta
); /* TODO v15: what solely remains in here */
1214 if((proto
= ok_vlook(sendmail
)) != NULL
)
1215 n_OBSOLETE(_("please use *mta* instead of *sendmail*"));
1216 if(proto
!= NULL
&& !strcmp(mta
, VAL_MTA
))
1219 /* TODO for now this is pretty hacky: in v15 we should simply create
1220 * TODO an URL object; i.e., be able to do so, and it does it right
1221 * TODO I.e.,: url_creat(&url, ok_vlook(mta)); */
1222 if((proto
= n_servbyname(mta
, NULL
)) != NULL
){
1224 mta
+= sizeof("file://") -1;
1233 char const *mta_base
;
1235 if((mta
= fexpand(mta_base
= mta
, FEXP_LOCAL
| FEXP_NOPROTO
)) == NULL
){
1236 n_err(_("*mta* variable expansion failure: %s\n"),
1237 n_shexp_quote_cp(mta_base
, FAL0
));
1241 args
= __mta_prepare_args(sbp
->sb_to
, sbp
->sb_hp
);
1242 if (n_poption
& n_PO_DEBUG
) {
1243 __mta_debug(sbp
, mta
, args
);
1248 n_UNINIT(args
, NULL
);
1250 n_err(_("No SMTP support compiled in\n"));
1256 for(np
= sbp
->sb_to
; np
!= NULL
; np
= np
->n_flink
)
1257 if(!(np
->n_type
& GDEL
) && (np
->n_flags
& NAME_ADDRSPEC_ISNAME
)){
1258 n_err(_("SMTP *mta* cannot send to alias name: %s\n"),
1259 n_shexp_quote_cp(np
->n_name
, FAL0
));
1266 if (n_poption
& n_PO_DEBUG
) {
1267 (void)smtp_mta(sbp
);
1274 /* Fork, set up the temporary mail file as standard input for "mail", and
1275 * exec with the user list we generated far above */
1276 if ((pid
= n_child_fork()) == -1) {
1279 savedeadletter(sbp
->sb_input
, 0);
1280 _sendout_error
= TRU1
;
1285 sigaddset(&nset
, SIGHUP
);
1286 sigaddset(&nset
, SIGINT
);
1287 sigaddset(&nset
, SIGQUIT
);
1288 sigaddset(&nset
, SIGTSTP
);
1289 sigaddset(&nset
, SIGTTIN
);
1290 sigaddset(&nset
, SIGTTOU
);
1291 /* n_stdin = */freopen(n_path_devnull
, "r", stdin
);
1294 n_child_prepare(&nset
, 0, 1);
1303 n_child_prepare(&nset
, fileno(sbp
->sb_input
), -1);
1304 execv(mta
, n_UNCONST(args
));
1306 ecp
= (e
!= n_ERR_NOENT
) ? n_err_to_doc(e
)
1307 : _("executable not found (adjust *mta* variable)");
1308 n_err(_("Cannot start %s: %s\n"), n_shexp_quote_cp(mta
, FAL0
), ecp
);
1310 savedeadletter(sbp
->sb_input
, 1);
1311 n_err(_("... message not sent\n"));
1315 if ((n_poption
& n_PO_D_V
) || ok_blook(sendwait
)) {
1316 if (!(rv
= n_child_wait(pid
, NULL
)))
1317 _sendout_error
= TRU1
;
1327 static char const **
1328 __mta_prepare_args(struct name
*to
, struct header
*hp
)
1330 size_t vas_cnt
, i
, j
;
1332 char const **args
, *cp
, *cp_v15compat
;
1336 if((cp_v15compat
= ok_vlook(sendmail_arguments
)) != NULL
)
1337 n_OBSOLETE(_("please use *mta-arguments*, not *sendmail-arguments*"));
1338 if((cp
= ok_vlook(mta_arguments
)) == NULL
)
1340 if ((cp
/* TODO v15: = ok_vlook(mta_arguments)*/) == NULL
) {
1344 /* Don't assume anything on the content but do allocate exactly j slots;
1345 * like this getrawlist will never overflow (and return -1) */
1347 vas
= n_lofi_alloc(sizeof(*vas
) * j
);
1348 vas_cnt
= (size_t)getrawlist(TRU1
, vas
, j
, cp
, j
);
1351 i
= 4 + n_smopts_cnt
+ vas_cnt
+ 4 + 1 + count(to
) + 1;
1352 args
= salloc(i
* sizeof(char*));
1354 if((cp_v15compat
= ok_vlook(sendmail_progname
)) != NULL
)
1355 n_OBSOLETE(_("please use *mta-argv0*, not *sendmail-progname*"));
1356 cp
= ok_vlook(mta_argv0
);
1357 if(cp_v15compat
!= NULL
&& !strcmp(cp
, VAL_MTA_ARGV0
))
1359 args
[0] = cp
/* TODO v15 only : = ok_vlook(mta_argv0) */;
1361 if ((snda
= ok_blook(sendmail_no_default_arguments
)))
1362 n_OBSOLETE(_("please use *mta-no-default-arguments*, "
1363 "not *sendmail-no-default-arguments*"));
1364 snda
|= ok_blook(mta_no_default_arguments
);
1365 if ((snda
/* TODO v15: = ok_blook(mta_no_default_arguments)*/))
1370 if (ok_blook(metoo
))
1372 if (n_poption
& n_PO_VERB
)
1376 for (j
= 0; j
< n_smopts_cnt
; ++j
, ++i
)
1377 args
[i
] = n_smopts
[j
];
1379 for (j
= 0; j
< vas_cnt
; ++j
, ++i
)
1382 /* -r option? In conjunction with -t we act compatible to postfix(1) and
1383 * ignore it (it is -f / -F there) if the message specified From:/Sender:.
1384 * The interdependency with -t has been resolved in puthead() */
1385 if (!snda
&& ((n_poption
& n_PO_r_FLAG
) || ok_blook(r_option_implicit
))) {
1386 struct name
const *np
;
1388 if (hp
!= NULL
&& (np
= hp
->h_from
) != NULL
) {
1389 /* However, what wasn't resolved there was the case that the message
1390 * specified multiple From: addresses and a Sender: */
1391 if ((n_psonce
& n_PSO_t_FLAG
) && hp
->h_sender
!= NULL
)
1394 if (np
->n_fullextra
!= NULL
) {
1396 args
[i
++] = np
->n_fullextra
;
1400 assert(n_poption_arg_r
== NULL
);
1401 cp
= skin(myorigin(NULL
));
1410 /* Terminate option list to avoid false interpretation of system-wide
1411 * aliases that start with hyphen */
1415 /* Receivers follow */
1416 for (; to
!= NULL
; to
= to
->n_flink
)
1417 if (!(to
->n_type
& GDEL
))
1418 args
[i
++] = to
->n_name
;
1428 __mta_debug(struct sendbundle
*sbp
, char const *mta
, char const **args
)
1430 size_t cnt
, bufsize
, llen
;
1434 n_err(_(">>> MTA: %s, arguments:"), n_shexp_quote_cp(mta
, FAL0
));
1435 for (; *args
!= NULL
; ++args
)
1436 n_err(" %s", n_shexp_quote_cp(*args
, FAL0
));
1439 fflush_rewind(sbp
->sb_input
);
1441 cnt
= fsize(sbp
->sb_input
);
1444 while (fgetline(&buf
, &bufsize
, &cnt
, &llen
, sbp
->sb_input
, TRU1
) != NULL
) {
1446 n_err(">>> %s\n", buf
);
1454 a_sendout_random_id(struct header
*hp
, bool_t msgid
)
1456 static ui32_t reprocnt
;
1465 if(msgid
&& hp
!= NULL
&& hp
->h_message_id
!= NULL
){
1466 rv
= hp
->h_message_id
->n_name
;
1470 if(ok_blook(message_id_disable
))
1475 if((h
= __sendout_ident
) != NULL
)
1477 if(ok_vlook(hostname
) != NULL
){
1478 h
= n_nodename(TRU1
);
1483 if(hp
!= NULL
&& (h
= skin(myorigin(hp
))) != NULL
&& strchr(h
, '@') != NULL
)
1488 tmp
= &time_current
.tc_gm
;
1489 i
= sizeof("%04d%02d%02d%02d%02d%02d.%s%c%s") -1 + rl
+ strlen(h
);
1490 rv
= n_autorec_alloc(i
+1);
1491 snprintf(rv
, i
, "%04d%02d%02d%02d%02d%02d.%s%c%s",
1492 tmp
->tm_year
+ 1900, tmp
->tm_mon
+ 1, tmp
->tm_mday
,
1493 tmp
->tm_hour
, tmp
->tm_min
, tmp
->tm_sec
,
1494 n_random_create_cp(rl
, &reprocnt
), sep
, h
);
1495 rv
[i
] = '\0'; /* Because we don't test snprintf(3) return */
1502 fmt(char const *str
, struct name
*np
, FILE *fo
, enum fmt_flags ff
)
1510 } m
= (ff
& GCOMMA
) ? m_COMMA
: 0;
1517 fwrite(str
, sizeof *str
, col
, fo
);
1519 #define _X(S) (col == sizeof(S) -1 && !asccasecmp(str, S))
1522 } else if (_X("reply-to:") || _X("mail-followup-to:") ||
1523 _X("references:") || _X("in-reply-to:") ||
1524 _X("disposition-notification-to:"))
1525 m
|= m_NOPF
| m_NONAME
;
1526 else if (ok_blook(add_file_recipients
)) {
1528 } else if (_X("to:") || _X("cc:") || _X("bcc:") || _X("resent-to:"))
1533 for (; np
!= NULL
; np
= np
->n_flink
) {
1534 if(np
->n_type
& GDEL
)
1536 if(is_addr_invalid(np
,
1537 ((ff
& FMT_INC_INVADDR
? 0 : EACM_NOLOG
) |
1538 (m
& m_NONAME
? EACM_NONAME
: EACM_NONE
))) &&
1539 !(ff
& FMT_INC_INVADDR
))
1542 /* File and pipe addresses only printed with set *add-file-recipients* */
1543 if ((m
& m_NOPF
) && is_fileorpipe_addr(np
))
1546 if ((m
& (m_INIT
| m_COMMA
)) == (m_INIT
| m_COMMA
)) {
1547 if (putc(',', fo
) == EOF
)
1553 len
= strlen(np
->n_fullname
);
1554 if (np
->n_type
& GREF
)
1556 ++col
; /* The separating space */
1557 if ((m
& m_INIT
) && /*col > 1 &&*/
1558 UICMP(z
, col
+ len
, >,
1559 (np
->n_type
& GREF
? MIME_LINELEN
: 72))) {
1560 if (fputs("\n ", fo
) == EOF
)
1566 m
= (m
& ~m_CSEEN
) | m_INIT
;
1571 /* GREF needs to be placed in angle brackets, but which are missing */
1572 hb
= np
->n_fullname
;
1573 if(np
->n_type
& GREF
){
1574 assert(UICMP(z
, len
, ==, strlen(np
->n_fullname
) + 2));
1575 hb
= n_lofi_alloc(len
+1);
1580 memcpy(&hb
[1], np
->n_fullname
, len
);
1583 len
= xmime_write(hb
, len
, fo
,
1584 ((ff
& FMT_DOMIME
) ? CONV_TOHDR_A
: CONV_NONE
), TD_ICONV
,
1586 if(np
->n_type
& GREF
)
1594 if (putc('\n', fo
) != EOF
)
1602 infix_resend(FILE *fi
, FILE *fo
, struct message
*mp
, struct name
*to
,
1605 size_t cnt
, c
, bufsize
= 0;
1608 struct name
*fromfield
= NULL
, *senderfield
= NULL
, *mdn
;
1614 /* Write the Resent-Fields */
1616 fputs("Resent-", fo
);
1618 if ((cp
= myaddrs(NULL
)) != NULL
) {
1619 if (_putname(cp
, GCOMMA
, SEND_MBOX
, NULL
, "Resent-From:", fo
,
1623 /* TODO RFC 5322: Resent-Sender SHOULD NOT be used if it's EQ -From: */
1624 if ((cp
= ok_vlook(sender
)) != NULL
) {
1625 if (_putname(cp
, GCOMMA
, SEND_MBOX
, NULL
, "Resent-Sender:", fo
,
1629 if (fmt("Resent-To:", to
, fo
, FMT_COMMA
))
1631 if (((cp
= ok_vlook(stealthmua
)) == NULL
|| !strcmp(cp
, "noagent")) &&
1632 (cp
= a_sendout_random_id(NULL
, TRU1
)) != NULL
&&
1633 fprintf(fo
, "Resent-Message-ID: <%s>\n", cp
) < 0)
1637 if ((mdn
= n_UNCONST(check_from_and_sender(fromfield
, senderfield
))) == NULL
)
1639 if (!_check_dispo_notif(mdn
, NULL
, fo
))
1642 /* Write the original headers */
1644 if (fgetline(&buf
, &bufsize
, &cnt
, &c
, fi
, 0) == NULL
)
1646 if (ascncasecmp("status:", buf
, 7) &&
1647 ascncasecmp("disposition-notification-to:", buf
, 28) &&
1648 !is_head(buf
, c
, FAL0
))
1649 fwrite(buf
, sizeof *buf
, c
, fo
);
1650 if (cnt
> 0 && *buf
== '\n')
1654 /* Write the message body */
1656 if (fgetline(&buf
, &bufsize
, &cnt
, &c
, fi
, 0) == NULL
)
1658 if (cnt
== 0 && *buf
== '\n')
1660 fwrite(buf
, sizeof *buf
, c
, fo
);
1665 n_perr(_("temporary mail file"), 0);
1675 mail(struct name
*to
, struct name
*cc
, struct name
*bcc
, char const *subject
,
1676 struct attachment
*attach
, char const *quotefile
, int recipient_record
)
1683 memset(&head
, 0, sizeof head
);
1685 /* The given subject may be in RFC1522 format. */
1686 if (subject
!= NULL
) {
1687 in
.s
= n_UNCONST(subject
);
1688 in
.l
= strlen(subject
);
1689 mime_fromhdr(&in
, &out
, /* TODO ??? TD_ISPR |*/ TD_ICONV
);
1690 head
.h_subject
= out
.s
;
1693 fullnames
= ok_blook(fullnames
);
1695 head
.h_mailx_command
= "mail";
1696 if((head
.h_to
= to
) != NULL
){
1698 head
.h_to
= to
= a_sendout_fullnames_cleanup(to
);
1699 head
.h_mailx_raw_to
= namelist_dup(to
, to
->n_type
);
1701 if((head
.h_cc
= cc
) != NULL
){
1703 head
.h_cc
= cc
= a_sendout_fullnames_cleanup(cc
);
1704 head
.h_mailx_raw_cc
= namelist_dup(cc
, cc
->n_type
);
1706 if((head
.h_bcc
= bcc
) != NULL
){
1708 head
.h_bcc
= bcc
= a_sendout_fullnames_cleanup(bcc
);
1709 head
.h_mailx_raw_bcc
= namelist_dup(bcc
, bcc
->n_type
);
1712 head
.h_attach
= attach
;
1714 mail1(&head
, 0, NULL
, quotefile
, recipient_record
, 0);
1716 if (subject
!= NULL
)
1719 return 0; /* TODO only for main.c, -> n_exit_status, BUT: ARGH! */
1728 rv
= sendmail_internal(v
, 0);
1739 rv
= sendmail_internal(v
, 1);
1745 mail1(struct header
*hp
, int printheaders
, struct message
*quote
,
1746 char const *quotefile
, int recipient_record
, int doprefix
)
1749 struct sendbundle sb
;
1752 FILE * volatile mtf
, *nmtf
;
1753 enum okay
volatile rv
;
1756 _sendout_error
= FAL0
;
1757 __sendout_ident
= NULL
;
1758 n_pstate_err_no
= n_ERR_INVAL
;
1762 n_SIGMAN_ENTER_SWITCH(&sm
, n_SIGMAN_ALL
) {
1769 /* Update some globals we likely need first */
1770 time_current_update(&time_current
, TRU1
);
1772 /* Collect user's mail from standard input. Get the result as mtf */
1773 mtf
= collect(hp
, printheaders
, quote
, quotefile
, doprefix
, &_sendout_error
);
1780 if(n_psonce
& n_PSO_INTERACTIVE
){
1781 if (ok_blook(asksign
))
1782 dosign
= getapproval(_("Sign this message"), TRU1
);
1785 if(fsize(mtf
) == 0){
1786 if(n_poption
& n_PO_E_FLAG
){
1787 n_pstate_err_no
= n_ERR_NONE
;
1792 if(hp
->h_subject
== NULL
)
1793 n_err(_("No message, no subject; hope that's ok\n"));
1794 else if(ok_blook(bsdcompat
) || ok_blook(bsdmsgs
))
1795 n_err(_("Null message body; hope that's ok\n"));
1798 if (dosign
== TRUM1
)
1799 dosign
= ok_blook(smime_sign
); /* TODO USER@HOST <-> *from* +++!!! */
1802 n_err(_("No SSL support compiled in\n"));
1807 /* XXX Update time_current again; once collect() offers editing of more
1808 * XXX headers, including Date:, this must only happen if Date: is the
1809 * XXX same that it was before collect() (e.g., postponing etc.).
1810 * XXX But *do* update otherwise because the mail seems to be backdated
1811 * XXX if the user edited some time, which looks odd and it happened
1812 * XXX to me that i got mis-dated response mails due to that... */
1813 time_current_update(&time_current
, TRU1
);
1815 /* TODO hrmpf; the MIME/send layer rewrite MUST address the init crap:
1816 * TODO setup the header ONCE; note this affects edit.c, collect.c ...,
1817 * TODO but: offer a hook that rebuilds/expands/checks/fixates all
1818 * TODO header fields ONCE, call that ONCE after user editing etc. has
1819 * TODO completed (one edit cycle) */
1821 /* Take the user names from the combined to and cc lists and do all the
1822 * alias processing. The POSIX standard says:
1823 * The names shall be substituted when alias is used as a recipient
1824 * address specified by the user in an outgoing message (that is,
1825 * other recipients addressed indirectly through the reply command
1826 * shall not be substituted in this manner).
1827 * S-nail thus violates POSIX, as has been pointed out correctly by
1828 * Martin Neitzel, but logic and usability of POSIX standards is not seldom
1829 * disputable anyway. Go for user friendliness */
1831 to
= namelist_vaporise_head(hp
,
1833 (!(expandaddr_to_eaf() & EAF_NAME
) ? EACM_NONAME
: EACM_NONE
)),
1834 TRU1
, &_sendout_error
);
1837 n_err(_("No recipients specified\n"));
1838 n_pstate_err_no
= n_ERR_DESTADDRREQ
;
1841 if(_sendout_error
< 0){
1842 n_err(_("Some addressees were classified as \"hard error\"\n"));
1843 n_pstate_err_no
= n_ERR_PERM
;
1848 memset(&sb
, 0, sizeof sb
);
1852 if((dosign
|| count_nonlocal(to
) > 0) &&
1853 !_sendbundle_setup_creds(&sb
, (dosign
> 0))){
1854 /* TODO saving $DEAD and recovering etc is not yet well defined */
1855 assert(n_pstate_err_no
== n_ERR_INVAL
);
1859 /* 'Bit ugly kind of control flow until we find a charset that does it */
1860 for (charset_iter_reset(hp
->h_charset
);; charset_iter_next()) {
1863 if (!charset_iter_is_valid())
1865 else if ((nmtf
= infix(hp
, mtf
)) != NULL
)
1867 else if ((err
= n_err_no
) == n_ERR_ILSEQ
|| err
== n_ERR_INVAL
) {
1872 n_perr(_("Failed to create encoded message"), 0);
1873 n_pstate_err_no
= n_ERR_NOTSUP
;
1881 if ((nmtf
= smime_sign(mtf
, sb
.sb_signer
.s
)) == NULL
)
1888 /* TODO truly - i still don't get what follows: (1) we deliver file
1889 * TODO and pipe addressees, (2) we mightrecord() and (3) we transfer
1890 * TODO even if (1) savedeadletter() etc. To me this doesn't make sense? */
1896 /* Deliver pipe and file addressees */
1897 b
= (ok_blook(record_files
) && count(to
) > 0);
1898 to
= a_sendout_file_a_pipe(to
, mtf
, &_sendout_error
);
1901 savedeadletter(mtf
, FAL0
);
1903 to
= elide(to
); /* XXX only to drop GDELs due a_sendout_file_a_pipe()! */
1906 if ((recipient_record
|| b
|| cnt
> 0) &&
1907 !mightrecord(mtf
, (recipient_record
? to
: NULL
), FAL0
))
1915 } else if (!_sendout_error
)
1919 n_sigman_cleanup_ping(&sm
);
1926 if((cp
= ok_vlook(on_compose_cleanup
)) != NULL
)
1927 temporary_compose_mode_hook_call(cp
, NULL
, NULL
);
1929 temporary_compose_mode_hook_unroll();
1932 n_exit_status
|= n_EXIT_SEND_ERROR
;
1934 n_pstate_err_no
= n_ERR_NONE
;
1936 n_sigman_leave(&sm
, n_SIGMAN_VIPSIGS_NTTYOUT
);
1940 _sendout_error
= TRU1
;
1941 savedeadletter(mtf
, TRU1
);
1942 n_err(_("... message not sent\n"));
1947 mkdate(FILE *fo
, char const *field
)
1949 struct tm tmpgm
, *tmptr
;
1950 int tzdiff
, tzdiff_hour
, tzdiff_min
, rv
;
1953 memcpy(&tmpgm
, &time_current
.tc_gm
, sizeof tmpgm
);
1954 tzdiff
= time_current
.tc_time
- mktime(&tmpgm
);
1955 tzdiff_hour
= (int)(tzdiff
/ 60);
1956 tzdiff_min
= tzdiff_hour
% 60;
1958 tmptr
= &time_current
.tc_local
;
1959 if (tmptr
->tm_isdst
> 0)
1961 rv
= fprintf(fo
, "%s: %s, %02d %s %04d %02d:%02d:%02d %+05d\n",
1963 n_weekday_names
[tmptr
->tm_wday
],
1964 tmptr
->tm_mday
, n_month_names
[tmptr
->tm_mon
],
1965 tmptr
->tm_year
+ 1900, tmptr
->tm_hour
,
1966 tmptr
->tm_min
, tmptr
->tm_sec
,
1967 tzdiff_hour
* 100 + tzdiff_min
);
1973 puthead(bool_t nosend_msg
, struct header
*hp
, FILE *fo
, enum gfield w
,
1974 enum sendaction action
, enum conversion convert
, char const *contenttype
,
1975 char const *charset
)
1977 #define FMT_CC_AND_BCC() \
1979 if ((w & GCC) && (hp->h_cc != NULL || nosend_msg == TRUM1)) {\
1980 if (fmt("Cc:", hp->h_cc, fo, ff))\
1984 if ((w & GBCC) && (hp->h_bcc != NULL || nosend_msg == TRUM1)) {\
1985 if (fmt("Bcc:", hp->h_bcc, fo, ff))\
1993 struct name
*np
, *fromasender
= NULL
;
1994 int stealthmua
, rv
= 1;
1999 if ((addr
= ok_vlook(stealthmua
)) != NULL
)
2000 stealthmua
= !strcmp(addr
, "noagent") ? -1 : 1;
2004 nodisp
= (action
!= SEND_TODISP
);
2005 ff
= (w
& (GCOMMA
| GFILES
)) | (nodisp
? FMT_DOMIME
: 0);
2007 ff
|= FMT_INC_INVADDR
;
2010 mkdate(fo
, "Date"), ++gotcha
;
2012 if (hp
->h_from
== NULL
|| hp
->h_sender
== NULL
)
2013 setup_from_and_sender(hp
);
2015 if (hp
->h_from
!= NULL
) {
2016 if (fmt("From:", hp
->h_from
, fo
, ff
))
2021 if (hp
->h_sender
!= NULL
) {
2022 if (fmt("Sender:", hp
->h_sender
, fo
, ff
))
2027 fromasender
= n_UNCONST(check_from_and_sender(hp
->h_from
, hp
->h_sender
));
2028 if (fromasender
== NULL
)
2030 /* Note that fromasender is (NULL,) 0x1 or real sender here */
2034 if ((w
& GTO
) && (hp
->h_to
!= NULL
|| nosend_msg
== TRUM1
)) {
2035 if (fmt("To:", hp
->h_to
, fo
, ff
))
2040 /* TODO Thought about undisclosed recipients:;, but would be such a fake
2041 * TODO given that we cannot handle group addresses. Ridiculous */
2045 if ((xto
= hp
->h_to
) != NULL
) {
2046 char const ud
[] = "To: Undisclosed recipients:;\n" /* TODO groups */;
2048 if (count_nonlocal(xto
) != 0 || ok_blook(add_file_recipients
) ||
2049 (hp
->h_cc
!= NULL
&& count_nonlocal(hp
->h_cc
) > 0))
2051 if (fwrite(ud
, 1, sizeof(ud
) -1, fo
) != sizeof(ud
) -1)
2054 } else if (nosend_msg
== TRUM1
) {
2056 if (fmt("To:", hp
->h_to
, fo
, ff
))
2063 if (!ok_blook(bsdcompat
) && !ok_blook(bsdorder
))
2066 if ((w
& GSUBJECT
) && (hp
->h_subject
!= NULL
|| nosend_msg
== TRUM1
)) {
2067 if (fwrite("Subject: ", sizeof(char), 9, fo
) != 9)
2069 if (hp
->h_subject
!= NULL
) {
2073 sublen
= strlen(sub
= subject_re_trim(hp
->h_subject
));
2075 /* Trimmed something, (re-)add Re: */
2076 if (sub
!= hp
->h_subject
) {
2077 if (fwrite("Re: ", 1, 4, fo
) != 4) /* RFC mandates eng. "Re: " */
2080 xmime_write(sub
, sublen
, fo
,
2081 (!nodisp
? CONV_NONE
: CONV_TOHDR
),
2082 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
, NULL
) < 0)
2085 /* This may be, e.g., a Fwd: XXX yes, unfortunately we do like that */
2086 else if (*sub
!= '\0') {
2087 if (xmime_write(sub
, sublen
, fo
, (!nodisp
? CONV_NONE
: CONV_TOHDR
),
2088 (!nodisp
? TD_ISPR
| TD_ICONV
: TD_ICONV
), NULL
, NULL
) < 0)
2096 if (ok_blook(bsdcompat
) || ok_blook(bsdorder
))
2099 if ((w
& GMSGID
) && stealthmua
<= 0 &&
2100 (addr
= a_sendout_random_id(hp
, TRU1
)) != NULL
) {
2101 if (fprintf(fo
, "Message-ID: <%s>\n", addr
) < 0)
2109 if((xnp
= np
= hp
->h_ref
) != NULL
){
2110 if(fmt("References:", np
, fo
, 0))
2114 if((np
= hp
->h_in_reply_to
) != NULL
|| xnp
!= NULL
){
2116 for(; xnp
!= NULL
; xnp
= xnp
->n_flink
)
2118 if(fmt("In-Reply-To:", np
, fo
, 0))
2125 /* Reply-To:. Be careful not to destroy a possible user input, duplicate
2126 * the list first.. TODO it is a terrible codebase.. */
2127 if((np
= hp
->h_reply_to
) != NULL
)
2128 np
= namelist_dup(np
, np
->n_type
);
2130 char const *v15compat
;
2132 if((v15compat
= ok_vlook(replyto
)) != NULL
)
2133 n_OBSOLETE(_("please use *reply-to*, not *replyto*"));
2134 if((addr
= ok_vlook(reply_to
)) == NULL
)
2136 np
= lextract(addr
, GEXTRA
|
2137 (ok_blook(fullnames
) ? GFULL
| GSKIN
: GSKIN
));
2141 checkaddrs(usermap(np
, TRU1
), EACM_STRICT
| EACM_NOLOG
,
2143 if (fmt("Reply-To:", np
, fo
, ff
))
2149 if ((w
& GIDENT
) && !nosend_msg
) {
2150 /* Mail-Followup-To: TODO factor out this huge block of code */
2151 /* Place ourselfs in there if any non-subscribed list is an addressee */
2152 if((hp
->h_flags
& HF_LIST_REPLY
) || hp
->h_mft
!= NULL
||
2153 ok_blook(followup_to
)){
2155 _ANYLIST
= 1u<<(HF__NEXT_SHIFT
+ 0),
2156 _HADMFT
= 1u<<(HF__NEXT_SHIFT
+ 1)
2158 struct name
*mft
, **mftp
, *x
;
2161 f
= hp
->h_flags
| (hp
->h_mft
!= NULL
? _HADMFT
: 0);
2165 /* But for that, we have to remove all incarnations of ourselfs first.
2166 * TODO It is total crap that we have alternates_remove(), is_myname()
2167 * TODO or whatever; these work only with variables, not with data
2168 * TODO that is _currently_ in some header fields!!! v15.0: complete
2169 * TODO rewrite, object based, lazy evaluated, on-the-fly marked.
2170 * TODO then this should be a really cheap thing in here... */
2171 np
= elide(n_alternates_remove(cat(
2172 namelist_dup(hp
->h_to
, GEXTRA
| GFULL
),
2173 namelist_dup(hp
->h_cc
, GEXTRA
| GFULL
)), FAL0
));
2174 addr
= hp
->h_list_post
;
2176 while((x
= np
) != NULL
){
2181 if((ml
= is_mlist(x
->n_name
, FAL0
)) == MLIST_OTHER
&&
2182 addr
!= NULL
&& !asccasecmp(addr
, x
->n_name
))
2185 /* Any non-subscribed list? Add ourselves */
2190 case MLIST_SUBSCRIBED
:
2194 if(!(f
& HF_LIST_REPLY
)){
2196 if(!is_addr_invalid(x
,
2197 EACM_STRICT
| EACM_NOLOG
| EACM_NONAME
)){
2202 } /* XXX write some warning? if verbose?? */
2205 /* And if this is a reply that honoured a M-F-T: header then
2206 * we'll also add all members of the original M-F-T: that are
2207 * still addressed by us, regardless of other circumstances */
2208 else if(f
& _HADMFT
){
2211 for(ox
= hp
->h_mft
; ox
!= NULL
; ox
= ox
->n_flink
)
2212 if(!asccasecmp(ox
->n_name
, x
->n_name
))
2219 if((f
& (_ANYLIST
| _HADMFT
)) && mft
!= NULL
){
2220 if(((f
& HF_MFT_SENDER
) ||
2221 ((f
& (_ANYLIST
| _HADMFT
)) == _HADMFT
)) &&
2222 (np
= fromasender
) != NULL
&& np
!= (struct name
*)0x1)
2223 *mftp
= ndup(np
, (np
->n_type
& ~GMASK
) | GEXTRA
| GFULL
);
2225 if(fmt("Mail-Followup-To:", mft
, fo
, ff
))
2231 if (!_check_dispo_notif(fromasender
, hp
, fo
))
2235 if ((w
& GUA
) && stealthmua
== 0) {
2236 if (fprintf(fo
, "User-Agent: %s %s\n", n_uagent
,
2237 (n_psonce
& n_PSO_REPRODUCIBLE
2238 ? n_reproducible_name
: ok_vlook(version
))) < 0)
2243 /* The user may have placed headers when editing */
2245 struct n_header_field
*hfp
;
2247 if((hfp
= hp
->h_user_headers
) != NULL
){
2248 if(!_sendout_header_list(fo
, hfp
, nodisp
))
2254 /* Custom headers, as via *customhdr* */
2256 struct n_header_field
*hfp
;
2258 /* With iconv support we likely have a cached result */
2259 if((hfp
= hp
->h_custom_headers
) == NULL
)
2260 hp
->h_custom_headers
= hfp
= n_customhdr_query();
2262 if(!_sendout_header_list(fo
, hfp
, nodisp
))
2268 /* We don't need MIME unless.. we need MIME?! */
2269 if ((w
& GMIME
) && ((n_pstate
& n_PS_HEADER_NEEDED_MIME
) ||
2270 hp
->h_attach
!= NULL
||
2271 ((n_poption
& n_PO_Mm_FLAG
) && n_poption_arg_Mm
!= NULL
) ||
2272 convert
!= CONV_7BIT
|| asccasecmp(charset
, "US-ASCII"))) {
2274 if (fputs("MIME-Version: 1.0\n", fo
) == EOF
)
2276 if (hp
->h_attach
!= NULL
) {
2277 _sendout_boundary
= mime_param_boundary_create();/*TODO carrier*/
2279 "Content-Type: multipart/mixed;\n boundary=\"%s\"\n",
2280 _sendout_boundary
) < 0)
2283 if(a_sendout_put_ct(fo
, contenttype
, charset
) < 0 ||
2284 a_sendout_put_cte(fo
, convert
) < 0)
2289 if (gotcha
&& (w
& GNL
))
2290 if (putc('\n', fo
) == EOF
)
2296 #undef FMT_CC_AND_BCC
2300 resend_msg(struct message
*mp
, struct header
*hp
, bool_t add_resent
)
2303 struct sendbundle sb
;
2304 FILE * volatile ibuf
, *nfo
, * volatile nfi
;
2307 enum okay
volatile rv
;
2310 _sendout_error
= FAL0
;
2311 __sendout_ident
= NULL
;
2312 n_pstate_err_no
= n_ERR_INVAL
;
2317 n_SIGMAN_ENTER_SWITCH(&sm
, n_SIGMAN_ALL
) {
2324 /* Update some globals we likely need first */
2325 time_current_update(&time_current
, TRU1
);
2327 /* If we fail we delay that a bit until we can write $DEAD! */
2329 if((to
= checkaddrs(to
,
2331 (!(expandaddr_to_eaf() & EAF_NAME
) ? EACM_NONAME
: EACM_NONE
)),
2332 &_sendout_error
)) == NULL
){
2333 n_err(_("No recipients specified\n"));
2334 n_pstate_err_no
= n_ERR_DESTADDRREQ
;
2335 }else if(_sendout_error
< 0){
2336 n_err(_("Some addressees were classified as \"hard error\"\n"));
2337 n_pstate_err_no
= n_ERR_PERM
;
2340 if((nfo
= Ftmp(&tempMail
, "resend", OF_WRONLY
| OF_HOLDSIGS
| OF_REGISTER
)
2342 _sendout_error
= TRU1
;
2343 n_perr(_("temporary mail file"), 0);
2344 n_pstate_err_no
= n_ERR_IO
;
2347 if((nfi
= Fopen(tempMail
, "r")) == NULL
){
2348 n_perr(tempMail
, 0);
2349 n_pstate_err_no
= n_ERR_IO
;
2351 Ftmp_release(&tempMail
);
2355 if((ibuf
= setinput(&mb
, mp
, NEED_BODY
)) == NULL
){
2356 n_pstate_err_no
= n_ERR_IO
;
2363 if((cp
= ok_vlook(on_resend_enter
)) != NULL
){
2364 /*setup_from_and_sender(hp);*/
2365 temporary_compose_mode_hook_call(cp
, &n_temporary_compose_hook_varset
,
2370 memset(&sb
, 0, sizeof sb
);
2373 if(!_sendout_error
&&
2374 count_nonlocal(to
) > 0 && !_sendbundle_setup_creds(&sb
, FAL0
)){
2375 /* ..wait until we can write DEAD */
2376 _sendout_error
= -1;
2379 if(infix_resend(ibuf
, nfo
, mp
, to
, add_resent
) != 0){
2381 savedeadletter(nfi
, TRU1
);
2382 n_err(_("... message not sent\n"));
2388 _sendout_error
= TRU1
;
2392 if(_sendout_error
< 0)
2401 /* Deliver pipe and file addressees */
2402 b
= (ok_blook(record_files
) && count(to
) > 0);
2403 to
= a_sendout_file_a_pipe(to
, nfi
, &_sendout_error
);
2406 savedeadletter(nfi
, FAL0
);
2408 to
= elide(to
); /* XXX only to drop GDELs due a_sendout_file_a_pipe()! */
2409 c
= (count(to
) > 0);
2412 if(!ok_blook(record_resent
) || mightrecord(nfi
, NULL
, TRU1
)){
2414 /*sb.sb_input = nfi;*/
2415 if(!c
|| _transfer(&sb
))
2418 }else if(!_sendout_error
)
2422 n_sigman_cleanup_ping(&sm
);
2430 if((cp
= ok_vlook(on_resend_cleanup
)) != NULL
)
2431 temporary_compose_mode_hook_call(cp
, NULL
, NULL
);
2433 temporary_compose_mode_hook_unroll();
2438 n_exit_status
|= n_EXIT_SEND_ERROR
;
2440 n_pstate_err_no
= n_ERR_NONE
;
2442 n_sigman_leave(&sm
, n_SIGMAN_VIPSIGS_NTTYOUT
);
2447 savedeadletter(FILE *fp
, bool_t fflush_rewind_first
){
2448 struct n_string line
;
2450 enum {a_NONE
, a_INIT
= 1<<0, a_BODY
= 1<<1, a_NL
= 1<<2} flags
;
2453 char const *cp
, *cpq
;
2459 if(fflush_rewind_first
){
2466 cp
= n_getdeadletter();
2467 cpq
= n_shexp_quote_cp(cp
, FAL0
);
2469 if(n_poption
& n_PO_DEBUG
){
2470 n_err(_(">>> Would (try to) write $DEAD %s\n"), cpq
);
2474 if((dbuf
= Fopen(cp
, "w")) == NULL
){
2475 n_perr(_("Cannot save to $DEAD"), 0);
2478 n_file_lock(fileno(dbuf
), FLT_WRITE
, 0,0, UIZ_MAX
); /* XXX Natomic */
2480 fprintf(n_stdout
, "%s ", cpq
);
2483 /* TODO savedeadletter() non-conforming: should check whether we have any
2484 * TODO headers, if not we need to place "something", anything will do.
2485 * TODO MIME is completely missing, we use MBOXO quoting!! Yuck.
2486 * TODO I/O error handling missing. Yuck! */
2487 n_string_reserve(n_string_creat_auto(&line
), 2 * SEND_LINESIZE
);
2488 bytes
= (ul_i
)fprintf(dbuf
, "From %s %s",
2489 ok_vlook(LOGNAME
), time_current
.tc_ctime
);
2491 for(flags
= a_NONE
, c
= '\0'; c
!= EOF
; bytes
+= line
.s_len
, ++lines
){
2492 n_string_trunc(&line
, 0);
2493 while((c
= getc(fp
)) != EOF
&& c
!= '\n')
2494 n_string_push_c(&line
, c
);
2496 /* TODO It may be that we have only some plain text. It may be that we
2497 * TODO have a complete MIME encoded message. We don't know, and we
2498 * TODO have no usable mechanism to dig it!! We need v15! */
2499 if(!(flags
& a_INIT
)){
2502 /* Throw away leading empty lines! */
2505 for(i
= 0; i
< line
.s_len
; ++i
){
2506 if(fieldnamechar(line
.s_dat
[i
]))
2508 if(line
.s_dat
[i
] == ':'){
2512 /* We have no headers, this is already a body line! */
2513 flags
|= a_INIT
| a_BODY
;
2517 /* Well, i had to check whether the RFC allows this. Assume we've
2518 * passed the headers, too, then! */
2520 flags
|= a_INIT
| a_BODY
;
2523 if(line
.s_len
>= 5 && !memcmp(line
.s_dat
, "From ", 5))
2524 n_string_unshift_c(&line
, '>');
2527 flags
|= a_BODY
| a_NL
;
2531 n_string_push_c(&line
, '\n');
2532 fwrite(line
.s_dat
, sizeof *line
.s_dat
, line
.s_len
, dbuf
);
2534 if(!(flags
& a_NL
)){
2539 n_string_gut(&line
);
2542 fprintf(n_stdout
, "%lu/%lu\n", lines
, bytes
);
2550 #undef SEND_LINESIZE