1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Message content preparation (sendmp()).
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
38 #ifndef HAVE_AMALGAMATION
42 static sigjmp_buf _send_pipejmp
;
44 /* Going for user display, print Part: info string */
45 static void _print_part_info(FILE *obuf
, struct mimepart
const *mpp
,
46 struct n_ignore
const *doitp
, int level
,
47 struct quoteflt
*qf
, ui64_t
*stats
);
49 /* Create a pipe; if mpp is not NULL, place some n_PIPEENV_* environment
50 * variables accordingly */
51 static FILE * _pipefile(struct mime_handler
*mhp
,
52 struct mimepart
const *mpp
, FILE **qbuf
,
53 char const *tmpname
, int term_infd
);
55 /* Call mime_write() as approbiate and adjust statistics */
56 SINLINE ssize_t
_out(char const *buf
, size_t len
, FILE *fp
,
57 enum conversion convert
, enum sendaction action
,
58 struct quoteflt
*qf
, ui64_t
*stats
, struct str
*outrest
,
62 static void _send_onpipe(int signo
);
65 static int sendpart(struct message
*zmp
, struct mimepart
*ip
,
66 FILE *obuf
, struct n_ignore
const *doitp
,
67 struct quoteflt
*qf
, enum sendaction action
,
68 char **linedat
, size_t *linesize
,
69 ui64_t
*stats
, int level
);
71 /* Get a file for an attachment */
72 static FILE * newfile(struct mimepart
*ip
, bool_t
volatile *ispipe
);
74 static void pipecpy(FILE *pipebuf
, FILE *outbuf
, FILE *origobuf
,
75 struct quoteflt
*qf
, ui64_t
*stats
);
77 /* Output a reasonable looking status field */
78 static void statusput(const struct message
*mp
, FILE *obuf
,
79 struct quoteflt
*qf
, ui64_t
*stats
);
80 static void xstatusput(const struct message
*mp
, FILE *obuf
,
81 struct quoteflt
*qf
, ui64_t
*stats
);
83 static void put_from_(FILE *fp
, struct mimepart
*ip
, ui64_t
*stats
);
86 _print_part_info(FILE *obuf
, struct mimepart
const *mpp
, /* TODO strtofmt.. */
87 struct n_ignore
const *doitp
, int level
, struct quoteflt
*qf
, ui64_t
*stats
)
91 bool_t want_ct
, needsep
;
92 struct str
const *cpre
, *csuf
;
98 if(n_COLOUR_IS_ACTIVE()){
99 struct n_colour_pen
*cpen
;
101 cpen
= n_colour_pen_create(n_COLOUR_ID_VIEW_PARTINFO
, NULL
);
102 if((cpre
= n_colour_pen_to_str(cpen
)) != NULL
)
103 csuf
= n_colour_reset_to_str();
107 /* Take care of "99.99", i.e., 5 */
108 if ((cp
= mpp
->m_partstring
) == NULL
|| cp
[0] == '\0')
110 if (level
|| (cp
[0] != '1' && cp
[1] == '\0') || (cp
[0] == '1' && /* TODO */
111 cp
[1] == '.' && cp
[2] != '1')) /* TODO code should not look like so */
112 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
114 /* Part id, content-type, encoding, charset */
116 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
117 _out("[-- #", 5, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
118 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
120 to
.l
= snprintf(buf
, sizeof buf
, " %" PRIuZ
"/%" PRIuZ
" ",
121 (uiz_t
)mpp
->m_lines
, (uiz_t
)mpp
->m_size
);
122 _out(buf
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
126 if((cp
= mpp
->m_ct_type_usr_ovwr
) != NULL
){
127 _out("+", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
129 }else if((want_ct
= n_ignore_is_ign(doitp
,
130 "content-type", sizeof("content-type") -1)))
131 cp
= mpp
->m_ct_type_plain
;
133 (to
.l
= strlen(cp
)) > 30 && is_asccaseprefix("application/", cp
)) {
134 size_t const al
= sizeof("appl../") -1, fl
= sizeof("application/") -1;
135 size_t i
= to
.l
- fl
;
136 char *x
= salloc(al
+ i
+1);
138 memcpy(x
, "appl../", al
);
139 memcpy(x
+ al
, cp
+ fl
, i
+1);
144 _out(cp
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
148 if (mpp
->m_multipart
== NULL
/* TODO */ && (cp
= mpp
->m_ct_enc
) != NULL
) {
150 _out(", ", 2, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
151 if (to
.l
> 25 && !asccasecmp(cp
, "quoted-printable"))
153 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
157 if (want_ct
&& mpp
->m_multipart
== NULL
/* TODO */ &&
158 (cp
= mpp
->m_charset
) != NULL
) {
160 _out(", ", 2, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
161 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
164 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
166 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
167 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
170 if (mpp
->m_content_info
& CI_MIME_ERRORS
) {
172 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
174 _out("[-- ", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
176 ti
.l
= strlen(ti
.s
= n_UNCONST(_("Defective MIME structure")));
178 to
.l
= delctrl(to
.s
, to
.l
);
179 _out(to
.s
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
182 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
184 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
186 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
189 /* Content-Description */
190 if (n_ignore_is_ign(doitp
, "content-description", 19) &&
191 (cp
= mpp
->m_content_description
) != NULL
&& *cp
!= '\0') {
193 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
195 _out("[-- ", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
197 ti
.l
= strlen(ti
.s
= n_UNCONST(mpp
->m_content_description
));
198 mime_fromhdr(&ti
, &to
, TD_ISPR
| TD_ICONV
);
199 _out(to
.s
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
202 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
204 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
206 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
210 if (n_ignore_is_ign(doitp
, "content-disposition", 19) &&
211 mpp
->m_filename
!= NULL
&& *mpp
->m_filename
!= '\0') {
213 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
215 _out("[-- ", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
217 ti
.l
= strlen(ti
.s
= mpp
->m_filename
);
219 to
.l
= delctrl(to
.s
, to
.l
);
220 _out(to
.s
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
223 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
225 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
227 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
233 _pipefile(struct mime_handler
*mhp
, struct mimepart
const *mpp
, FILE **qbuf
,
234 char const *tmpname
, int term_infd
)
237 char const *env_addon
[8 +8/*v15*/], *cp
, *sh
;
243 if (mhp
->mh_flags
& MIME_HDL_ISQUOTE
) {
244 if ((*qbuf
= Ftmp(NULL
, "sendp", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
246 n_perr(_("tmpfile"), 0);
251 if ((mhp
->mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_PTF
) {
252 union {int (*ptf
)(void); char const *sh
;} u
;
255 if (*qbuf
!= n_stdout
) /* xxx never? v15: it'll be a filter anyway */
259 if((rbuf
= Popen((char*)-1, "W", u
.sh
, NULL
, fileno(*qbuf
))) == NULL
)
265 if (mpp
== NULL
|| (cp
= mpp
->m_filename
) == NULL
)
267 env_addon
[0] = str_concat_csvl(&s
, n_PIPEENV_FILENAME
, "=", cp
, NULL
)->s
;
268 env_addon
[1] = str_concat_csvl(&s
, "NAIL_FILENAME", "=", cp
, NULL
)->s
;
270 /* MAILX_FILENAME_GENERATED *//* TODO pathconf NAME_MAX; but user can create
271 * TODO a file wherever he wants! *Do* create a zero-size temporary file
272 * TODO and give *that* path as MAILX_FILENAME_TEMPORARY, clean it up once
273 * TODO the pipe returns? Like this we *can* verify path/name issues! */
274 cp
= n_random_create_cp(n_MIN(NAME_MAX
/ 4, 16), NULL
);
275 env_addon
[2] = str_concat_csvl(&s
, n_PIPEENV_FILENAME_GENERATED
, "=", cp
,
277 env_addon
[3] = str_concat_csvl(&s
, "NAIL_FILENAME_GENERATED", "=", cp
,
280 /* MAILX_CONTENT{,_EVIDENCE} */
281 if (mpp
== NULL
|| (cp
= mpp
->m_ct_type_plain
) == NULL
)
283 env_addon
[4] = str_concat_csvl(&s
, n_PIPEENV_CONTENT
, "=", cp
, NULL
)->s
;
284 env_addon
[5] = str_concat_csvl(&s
, "NAIL_CONTENT", "=", cp
, NULL
)->s
;
286 if (mpp
!= NULL
&& mpp
->m_ct_type_usr_ovwr
!= NULL
)
287 cp
= mpp
->m_ct_type_usr_ovwr
;
288 env_addon
[6] = str_concat_csvl(&s
, n_PIPEENV_CONTENT_EVIDENCE
, "=", cp
,
290 env_addon
[7] = str_concat_csvl(&s
, "NAIL_CONTENT_EVIDENCE", "=", cp
,
295 /* MAILX_FILENAME_TEMPORARY? */
296 if (tmpname
!= NULL
) {
297 env_addon
[8] = str_concat_csvl(&s
,
298 n_PIPEENV_FILENAME_TEMPORARY
, "=", tmpname
, NULL
)->s
;
299 env_addon
[9] = str_concat_csvl(&s
,
300 "NAIL_FILENAME_TEMPORARY", "=", tmpname
, NULL
)->s
;
301 env_addon
[10] = NULL
;
304 sh
= ok_vlook(SHELL
);
306 if (mhp
->mh_flags
& MIME_HDL_NEEDSTERM
) {
311 pid
= n_child_run(sh
, &nset
, term_infd
, n_CHILD_FD_PASS
, "-c",
312 mhp
->mh_shell_cmd
, NULL
, env_addon
, NULL
);
313 rbuf
= (pid
< 0) ? NULL
: (FILE*)-1;
315 rbuf
= Popen(mhp
->mh_shell_cmd
, "W", sh
, env_addon
,
316 (mhp
->mh_flags
& MIME_HDL_ASYNC
? -1 : fileno(*qbuf
)));
319 n_err(_("Cannot run MIME type handler: %s: %s\n"),
320 mhp
->mh_msg
, n_err_to_doc(n_err_no
));
323 if (*qbuf
!= n_stdout
)
333 _out(char const *buf
, size_t len
, FILE *fp
, enum conversion convert
, enum
334 sendaction action
, struct quoteflt
*qf
, ui64_t
*stats
, struct str
*outrest
,
341 /* TODO We should not need is_head() here, i think in v15 the actual Mailbox
342 * TODO subclass should detect such From_ cases and either reencode the part
343 * TODO in question, or perform From_ quoting as necessary!?!?!? How?!? */
347 if((action
== SEND_MBOX
|| action
== SEND_DECRYPT
) &&
348 (from_
= is_head(buf
, len
, TRU1
))){
349 if(from_
!= TRUM1
|| ok_blook(mbox_rfc4155
)){
356 flags
= ((int)action
& _TD_EOF
);
358 n
= mime_write(buf
, len
, fp
,
359 action
== SEND_MBOX
? CONV_NONE
: convert
,
360 flags
| ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
361 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
)
363 : (action
== SEND_TOSRCH
|| action
== SEND_TOPIPE
||
364 action
== SEND_TOFILE
)
365 ? TD_ICONV
: (action
== SEND_SHOW
? TD_ISPR
: TD_NONE
)),
366 qf
, outrest
, inrest
);
379 _send_onpipe(int signo
)
381 NYD_X
; /* Signal handler */
383 siglongjmp(_send_pipejmp
, 1);
386 static sigjmp_buf __sendp_actjmp
; /* TODO someday.. */
387 static int __sendp_sig
; /* TODO someday.. */
388 static sighandler_type __sendp_opipe
;
390 __sendp_onsig(int sig
) /* TODO someday, we won't need it no more */
392 NYD_X
; /* Signal handler */
394 siglongjmp(__sendp_actjmp
, 1);
398 sendpart(struct message
*zmp
, struct mimepart
*ip
, FILE * volatile obuf
,
399 struct n_ignore
const *doitp
, struct quoteflt
*qf
,
400 enum sendaction
volatile action
,
401 char **linedat
, size_t *linesize
, ui64_t
* volatile stats
, int level
)
404 struct mime_handler mh
;
405 struct str outrest
, inrest
;
407 char const * volatile tmpname
= NULL
;
409 int volatile term_infd
;
411 struct mimepart
*volatile np
;
412 FILE * volatile ibuf
= NULL
, * volatile pbuf
= obuf
,
413 * volatile qbuf
= obuf
, *origobuf
= obuf
;
414 enum conversion
volatile convert
;
415 sighandler_type
volatile oldpipe
= SIG_DFL
;
418 n_UNINIT(term_infd
, 0);
421 quoteflt_reset(qf
, obuf
);
423 if (ip
->m_mimecontent
== MIME_PKCS7
) {
424 if (ip
->m_multipart
&&
425 action
!= SEND_MBOX
&& action
!= SEND_RFC822
&& action
!= SEND_SHOW
)
432 if (!n_ignore_is_ign(doitp
, "status", 6))
434 if (!n_ignore_is_ign(doitp
, "x-status", 8))
439 if ((ibuf
= setinput(&mb
, (struct message
*)ip
, NEED_BODY
)) == NULL
) {
445 if (ip
->m_mimecontent
== MIME_DISCARD
)
448 if (!(ip
->m_flag
& MNOFROM
))
449 while (cnt
&& (c
= getc(ibuf
)) != EOF
) {
454 convert
= (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
455 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
456 action
== SEND_TOSRCH
)
457 ? CONV_FROMHDR
: CONV_NONE
;
459 /* Work the headers */
461 struct n_string hl
, *hlp
;
465 hlp
= n_string_creat_auto(&hl
); /* TODO pool [or, v15: filter!] */
466 /* Reserve three lines, still not enough for references and DKIM etc. */
467 hlp
= n_string_reserve(hlp
, n_MAX(MIME_LINELEN
, MIME_LINELEN_RFC2047
) * 3);
469 for(hstop
= FAL0
; !hstop
;){
473 if(fgetline(linedat
, linesize
, &cnt
, &linelen
, ibuf
, 0) == NULL
)
476 if (linelen
== 0 || (cp
= *linedat
)[0] == '\n')
477 /* If line is blank, we've reached end of headers */
479 if(cp
[linelen
- 1] == '\n'){
480 cp
[--linelen
] = '\0';
485 /* Are we in a header? */
488 fseek(ibuf
, -(off_t
)(lcnt
- cnt
), SEEK_CUR
);
494 /* Pick up the header field if we have one */
495 while((c
= *cp
) != ':' && !spacechar(c
) && c
!= '\0')
498 if(!spacechar(c
) || c
== '\0')
503 /* That won't work with MIME when saving etc., before v15 */
505 /* XXX This disturbs, and may happen multiple times, and we
506 * XXX cannot heal it for multipart except for display <v15 */
507 n_err(_("Malformed message: headers and body not separated "
508 "(with empty line)\n"));
511 fseek(ibuf
, -(off_t
)(lcnt
- cnt
), SEEK_CUR
);
518 if(convert
== CONV_NONE
){
519 hlp
= n_string_push_buf(hlp
, cp
, (ui32_t
)linelen
);
520 hlp
= n_string_push_c(hlp
, '\n');
522 bool_t lblank
, isblank
;
524 for(lblank
= FAL0
, lcnt
= 0; lcnt
< linelen
; ++cp
, ++lcnt
){
528 if(!(isblank
= blankchar(c8
)) || !lblank
){
529 if((lblank
= isblank
))
531 hlp
= n_string_push_c(hlp
, c8
);
539 /* If it is an ignored header, skip it */
540 *(cp
= memchr(hlp
->s_dat
, ':', hlp
->s_len
)) = '\0';
544 i
= PTR2SIZE(cp
- hlp
->s_dat
);
545 if((doitp
!= NULL
&& n_ignore_is_ign(doitp
, hlp
->s_dat
, i
)) ||
546 !asccasecmp(hlp
->s_dat
, "status") ||
547 !asccasecmp(hlp
->s_dat
, "x-status") ||
548 (action
== SEND_MBOX
&&
549 (!asccasecmp(hlp
->s_dat
, "content-length") ||
550 !asccasecmp(hlp
->s_dat
, "lines")) &&
551 !ok_blook(keep_content_length
)))
557 if(n_COLOUR_IS_ACTIVE())
558 n_colour_put(n_COLOUR_ID_VIEW_HEADER
, hlp
->s_dat
);
561 _out(hlp
->s_dat
, hlp
->s_len
, obuf
, convert
, action
, qf
, stats
, NULL
,NULL
);
563 if(n_COLOUR_IS_ACTIVE())
566 if(convert
!= CONV_NONE
)
570 hlp
= n_string_trunc(hlp
, 0);
576 /* We've reached end of headers, so eventually force out status: field and
577 * note that we are no longer in header fields */
579 statusput(zmp
, obuf
, qf
, stats
);
581 xstatusput(zmp
, obuf
, qf
, stats
);
582 if(doitp
!= n_IGNORE_ALL
)
583 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
594 memset(&mh
, 0, sizeof mh
);
596 switch (ip
->m_mimecontent
) {
600 case SEND_TODISP_ALL
:
603 if (ok_blook(rfc822_body_from_
)) {
604 if (qf
->qf_pfix_len
> 0) {
605 size_t i
= fwrite(qf
->qf_pfix
, sizeof *qf
->qf_pfix
,
606 qf
->qf_pfix_len
, obuf
);
607 if (i
== qf
->qf_pfix_len
&& stats
!= NULL
)
610 put_from_(obuf
, ip
->m_multipart
, stats
);
618 if (ok_blook(rfc822_body_from_
))
619 put_from_(obuf
, ip
->m_multipart
, stats
);
629 case MIME_TEXT_PLAIN
:
632 case SEND_TODISP_ALL
:
635 switch (n_mimetype_handler(&mh
, ip
, action
)) {
637 _out(mh
.mh_msg
.s
, mh
.mh_msg
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
,
639 /* We would print this as plain text, so better force going home */
650 if (action
!= SEND_DECRYPT
)
654 if (action
!= SEND_MBOX
&& action
!= SEND_RFC822
&&
655 action
!= SEND_SHOW
&& ip
->m_multipart
!= NULL
)
661 case SEND_TODISP_ALL
:
664 switch (n_mimetype_handler(&mh
, ip
, action
)) {
666 _out(mh
.mh_msg
.s
, mh
.mh_msg
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
,
668 /* We would print this as plain text, so better force going home */
671 /* FIXME WE NEED TO DO THAT IF WE ARE THE ONLY MAIL
672 * FIXME CONTENT !! */
677 if (level
== 0 && cnt
) {
678 char const *x
= _("[-- Binary content --]\n");
679 _out(x
, strlen(x
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
695 case MIME_ALTERNATIVE
:
696 if ((action
== SEND_TODISP
|| action
== SEND_QUOTE
) &&
697 !ok_blook(print_alternatives
)) {
698 /* XXX This (a) should not remain (b) should be own fun
699 * TODO (despite the fact that v15 will do this completely differently
700 * TODO by having an action-specific "manager" that will traverse the
701 * TODO parsed MIME tree and decide for each part whether it'll be
702 * TODO displayed or not *before* we walk the tree for doing action */
704 struct mpstack
*outer
;
706 } outermost
, * volatile curr
, * volatile mpsp
;
707 bool_t
volatile neednl
, hadpart
;
708 struct n_sigman smalter
;
710 (curr
= &outermost
)->outer
= NULL
;
712 neednl
= hadpart
= FAL0
;
714 n_SIGMAN_ENTER_SWITCH(&smalter
, n_SIGMAN_ALL
) {
722 for (np
= ip
->m_multipart
;;) {
724 for (; np
!= NULL
; np
= np
->m_nextpart
) {
725 if (action
!= SEND_QUOTE
&& np
->m_ct_type_plain
!= NULL
) {
727 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
729 _print_part_info(obuf
, np
, doitp
, level
, qf
, stats
);
733 switch (np
->m_mimecontent
) {
734 case MIME_ALTERNATIVE
:
740 mpsp
= salloc(sizeof *mpsp
);
742 mpsp
->mp
= np
->m_multipart
;
751 switch (n_mimetype_handler(&mh
, np
, action
)) {
753 mh
.mh_flags
= MIME_HDL_NULL
;
754 continue; /* break; break; */
756 if (!ok_blook(mime_alternative_favour_rich
)) {/* TODO */
757 struct mimepart
*x
= np
;
759 while ((x
= x
->m_nextpart
) != NULL
) {
760 struct mime_handler mhx
;
762 if (x
->m_mimecontent
== MIME_TEXT_PLAIN
||
763 n_mimetype_handler(&mhx
, x
, action
) ==
768 continue; /* break; break; */
776 case MIME_TEXT_PLAIN
:
779 if (ok_blook(mime_alternative_favour_rich
)) { /* TODO */
780 struct mimepart
*x
= np
;
782 /* TODO twice TODO, we should dive into /related and
783 * TODO check whether that has rich parts! */
784 while ((x
= x
->m_nextpart
) != NULL
) {
785 struct mime_handler mhx
;
787 switch (n_mimetype_handler(&mhx
, x
, action
)) {
796 continue; /* break; break; */
800 if (action
== SEND_QUOTE
&& hadpart
) {
801 struct quoteflt
*dummy
= quoteflt_dummy();
802 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, dummy
, stats
,
804 quoteflt_flush(dummy
);
808 rv
= sendpart(zmp
, np
, obuf
, doitp
, qf
, action
,
809 linedat
, linesize
, stats
, level
+ 1);
810 quoteflt_reset(qf
, origobuf
);
813 curr
= &outermost
; /* Cause overall loop termination */
822 np
= curr
->mp
->m_nextpart
;
825 n_sigman_leave(&smalter
, n_SIGMAN_VIPSIGS_NTTYOUT
);
836 case SEND_TODISP_ALL
:
844 if ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
) &&
845 ip
->m_multipart
!= NULL
&&
846 ip
->m_multipart
->m_mimecontent
== MIME_DISCARD
&&
847 ip
->m_multipart
->m_nextpart
== NULL
) {
848 char const *x
= _("[Missing multipart boundary - use show "
849 "to display the raw message]\n");
850 _out(x
, strlen(x
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
854 for (np
= ip
->m_multipart
; np
!= NULL
; np
= np
->m_nextpart
) {
855 bool_t
volatile ispipe
;
857 if (np
->m_mimecontent
== MIME_DISCARD
&& action
!= SEND_DECRYPT
)
863 if (np
->m_partstring
&&
864 np
->m_partstring
[0] == '1' && np
->m_partstring
[1] == '\0')
867 /* TODO Always open multipart on /dev/null, it's a hack to be
868 * TODO able to dive into that structure, and still better
869 * TODO than asking the user for something stupid.
870 * TODO oh, wait, we did ask for a filename for this MIME mail,
871 * TODO and that outer container is useless anyway ;-P */
872 if (np
->m_multipart
!= NULL
) {
873 if ((obuf
= Fopen(n_path_devnull
, "w")) == NULL
)
875 } else if ((obuf
= newfile(np
, &ispipe
)) == NULL
)
879 if (sigsetjmp(_send_pipejmp
, 1)) {
883 oldpipe
= safe_signal(SIGPIPE
, &_send_onpipe
);
886 case SEND_TODISP_ALL
:
887 if (ip
->m_mimecontent
!= MIME_ALTERNATIVE
&&
888 ip
->m_mimecontent
!= MIME_RELATED
&&
889 ip
->m_mimecontent
!= MIME_DIGEST
&&
890 ip
->m_mimecontent
!= MIME_SIGNED
&&
891 ip
->m_mimecontent
!= MIME_ENCRYPTED
&&
892 ip
->m_mimecontent
!= MIME_MULTI
)
894 _print_part_info(obuf
, np
, doitp
, level
, qf
, stats
);
908 if ((action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
) &&
909 np
->m_multipart
== NULL
&& ip
->m_parent
!= NULL
) {
910 struct quoteflt
*dummy
= quoteflt_dummy();
911 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, dummy
, stats
,
913 quoteflt_flush(dummy
);
915 if (sendpart(zmp
, np
, obuf
, doitp
, qf
, action
, linedat
, linesize
,
918 quoteflt_reset(qf
, origobuf
);
920 if (action
== SEND_QUOTE
) {
921 if (ip
->m_mimecontent
!= MIME_RELATED
)
924 if (action
== SEND_TOFILE
&& obuf
!= origobuf
) {
929 safe_signal(SIGPIPE
, SIG_IGN
);
931 safe_signal(SIGPIPE
, oldpipe
);
944 /* Copy out message body */
945 if (doitp
== n_IGNORE_ALL
&& level
== 0) /* skip final blank line */
947 switch (ip
->m_mime_enc
) {
954 convert
= CONV_FROMQP
;
957 switch (ip
->m_mimecontent
) {
959 case MIME_TEXT_PLAIN
:
961 convert
= CONV_FROMB64_T
;
964 switch (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) {
967 convert
= CONV_FROMB64_T
;
970 convert
= CONV_FROMB64
;
980 /* TODO Unless we have filters, ensure iconvd==-1 so that mime.c:fwrite_td()
981 * TODO cannot mess things up misusing outrest as line buffer */
983 if (iconvd
!= (iconv_t
)-1) {
984 n_iconv_close(iconvd
);
985 iconvd
= (iconv_t
)-1;
989 if (action
== SEND_DECRYPT
|| action
== SEND_MBOX
||
990 action
== SEND_RFC822
|| action
== SEND_SHOW
)
993 else if ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
994 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
995 action
== SEND_TOSRCH
|| action
== SEND_TOFILE
) &&
996 (ip
->m_mimecontent
== MIME_TEXT_PLAIN
||
997 ip
->m_mimecontent
== MIME_TEXT_HTML
||
998 ip
->m_mimecontent
== MIME_TEXT
||
999 (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_TEXT
||
1000 (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_PTF
)) {
1003 tcs
= ok_vlook(ttycharset
);
1004 if (asccasecmp(tcs
, ip
->m_charset
) &&
1005 asccasecmp(ok_vlook(charset_7bit
), ip
->m_charset
)) {
1006 iconvd
= n_iconv_open(tcs
, ip
->m_charset
);
1007 if (iconvd
== (iconv_t
)-1 && n_err_no
== n_ERR_INVAL
) {
1008 n_err(_("Cannot convert from %s to %s\n"), ip
->m_charset
, tcs
);
1009 /*rv = 1; goto jleave;*/
1015 switch (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) {
1021 term_infd
= n_CHILD_FD_PASS
;
1022 if (mh
.mh_flags
& (MIME_HDL_TMPF
| MIME_HDL_NEEDSTERM
)) {
1025 of
= OF_RDWR
| OF_REGISTER
;
1026 if (!(mh
.mh_flags
& MIME_HDL_TMPF
)) {
1028 mh
.mh_flags
|= MIME_HDL_TMPF_FILL
;
1030 } else if (mh
.mh_flags
& MIME_HDL_TMPF_UNLINK
)
1031 of
|= OF_REGISTER_UNLINK
;
1033 if ((pbuf
= Ftmp((mh
.mh_flags
& MIME_HDL_TMPF
? &cp
: NULL
),
1034 (mh
.mh_flags
& MIME_HDL_TMPF_FILL
? "mimehdlfill" : "mimehdl"),
1038 if (mh
.mh_flags
& MIME_HDL_TMPF
) {
1039 tmpname
= savestr(cp
);
1043 if (mh
.mh_flags
& MIME_HDL_TMPF_FILL
) {
1045 term_infd
= fileno(pbuf
);
1051 pbuf
= _pipefile(&mh
, ip
, n_UNVOLATILE(&qbuf
), tmpname
, term_infd
);
1057 } else if ((mh
.mh_flags
& MIME_HDL_NEEDSTERM
) && pbuf
== (FILE*)-1) {
1062 action
= SEND_TOPIPE
;
1064 oldpipe
= safe_signal(SIGPIPE
, &_send_onpipe
);
1065 if (sigsetjmp(_send_pipejmp
, 1))
1071 mh
.mh_flags
= MIME_HDL_NULL
;
1078 bool_t
volatile eof
;
1079 ui32_t save_qf_pfix_len
= qf
->qf_pfix_len
;
1080 ui64_t
*save_stats
= stats
;
1082 if (pbuf
!= origobuf
) {
1083 qf
->qf_pfix_len
= 0; /* XXX legacy (remove filter instead) */
1087 outrest
.s
= inrest
.s
= NULL
;
1088 outrest
.l
= inrest
.l
= 0;
1092 __sendp_opipe
= safe_signal(SIGPIPE
, &__sendp_onsig
);
1093 if (sigsetjmp(__sendp_actjmp
, 1)) {
1094 if (outrest
.s
!= NULL
)
1096 if (inrest
.s
!= NULL
)
1099 if (iconvd
!= (iconv_t
)-1)
1100 n_iconv_close(iconvd
);
1102 safe_signal(SIGPIPE
, __sendp_opipe
);
1103 n_raise(__sendp_sig
);
1107 quoteflt_reset(qf
, pbuf
);
1108 while (!eof
&& fgetline(linedat
, linesize
, &cnt
, &linelen
, ibuf
, 0)) {
1110 if (_out(*linedat
, linelen
, pbuf
, convert
, action
, qf
, stats
, &outrest
,
1111 (action
& _TD_EOF
? NULL
: &inrest
)) < 0 || ferror(pbuf
)) {
1112 rv
= -1; /* XXX Should bail away?! */
1116 if(eof
<= FAL0
&& rv
>= 0 && (outrest
.l
!= 0 || inrest
.l
!= 0)){
1118 if(eof
|| inrest
.l
== 0)
1120 eof
= eof
? TRU1
: TRUM1
;
1125 /* TODO HACK: when sending to the display we yet get fooled if a message
1126 * TODO doesn't end in a newline, because of our input/output 1:1.
1127 * TODO This should be handled automatically by a display filter, then */
1128 if(rv
>= 0 && !qf
->qf_nl_last
&&
1129 (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
))
1130 rv
= quoteflt_push(qf
, "\n", 1);
1134 if (rv
>= 0 && (mh
.mh_flags
& MIME_HDL_TMPF_FILL
)) {
1135 mh
.mh_flags
&= ~MIME_HDL_TMPF_FILL
;
1137 really_rewind(pbuf
);
1138 /* Don't Fclose() the Ftmp() thing due to OF_REGISTER_UNLINK++ */
1139 goto jpipe_for_real
;
1143 safe_signal(SIGPIPE
, __sendp_opipe
);
1145 if (outrest
.s
!= NULL
)
1147 if (inrest
.s
!= NULL
)
1150 if (pbuf
!= origobuf
) {
1151 qf
->qf_pfix_len
= save_qf_pfix_len
;
1158 safe_signal(SIGPIPE
, SIG_IGN
);
1159 Pclose(pbuf
, !(mh
.mh_flags
& MIME_HDL_ASYNC
));
1160 safe_signal(SIGPIPE
, oldpipe
);
1161 if (rv
>= 0 && qbuf
!= NULL
&& qbuf
!= obuf
)
1162 pipecpy(qbuf
, obuf
, origobuf
, qf
, stats
);
1165 if (iconvd
!= (iconv_t
)-1)
1166 n_iconv_close(iconvd
);
1174 newfile(struct mimepart
*ip
, bool_t
volatile *ispipe
)
1184 if (f
!= NULL
&& f
!= (char*)-1) {
1187 makeprint(&in
, &out
);
1188 out
.l
= delctrl(out
.s
, out
.l
);
1189 f
= savestrbuf(out
.s
, out
.l
);
1193 /* In interactive mode, let user perform all kind of expansions as desired,
1194 * and offer |SHELL-SPEC pipe targets, too */
1195 if (n_psonce
& n_PSO_INTERACTIVE
) {
1197 struct n_string shou
, *shoup
;
1200 shoup
= n_string_creat_auto(&shou
);
1202 /* TODO Generic function which asks for filename.
1203 * TODO If the current part is the first textpart the target
1204 * TODO is implicit from outer `write' etc! */
1205 /* I18N: Filename input prompt with file type indication */
1206 str_concat_csvl(&prompt
, _("Enter filename for part "),
1207 (ip
->m_partstring
!= NULL
? ip
->m_partstring
: n_qm
),
1208 " (", ip
->m_ct_type_plain
, "): ", NULL
);
1210 f2
= n_go_input_cp(n_GO_INPUT_CTX_DEFAULT
| n_GO_INPUT_HIST_ADD
,
1211 prompt
.s
, ((f
!= (char*)-1 && f
!= NULL
)
1212 ? n_shexp_quote_cp(f
, FAL0
) : NULL
));
1214 in
.s
= n_UNCONST(f2
);
1216 if((n_shexp_parse_token((n_SHEXP_PARSE_TRUNC
|
1217 n_SHEXP_PARSE_TRIM_SPACE
| n_SHEXP_PARSE_TRIM_IFSSPACE
|
1218 n_SHEXP_PARSE_LOG
| n_SHEXP_PARSE_IGNORE_EMPTY
),
1220 ) & (n_SHEXP_STATE_STOP
|
1221 n_SHEXP_STATE_OUTPUT
| n_SHEXP_STATE_ERR_MASK
)
1222 ) != (n_SHEXP_STATE_STOP
| n_SHEXP_STATE_OUTPUT
))
1224 f2
= n_string_cp(shoup
);
1226 if (f2
== NULL
|| *f2
== '\0') {
1227 if (n_poption
& n_PO_D_V
)
1228 n_err(_("... skipping this\n"));
1229 n_string_gut(shoup
);
1235 /* Pipes are expanded by the shell */
1237 else if ((f3
= fexpand(f2
, FEXP_LOCAL
| FEXP_NVAR
)) == NULL
)
1238 /* (Error message written by fexpand()) */
1243 n_string_gut(shoup
);
1246 if (f
== NULL
|| f
== (char*)-1 || *f
== '\0')
1248 else if (n_psonce
& n_PSO_INTERACTIVE
) {
1250 fp
= Popen(&f
[1], "w", ok_vlook(SHELL
), NULL
, 1);
1251 if (!(*ispipe
= (fp
!= NULL
)))
1253 } else if ((fp
= Fopen(f
, "w")) == NULL
)
1254 n_err(_("Cannot open %s\n"), n_shexp_quote_cp(f
, FAL0
));
1256 /* Be very picky in non-interactive mode: actively disallow pipes,
1257 * prevent directory separators, and any filename member that would
1258 * become expanded by the shell if the name would be echo(1)ed */
1259 if(anyof(f
, "/" n_SHEXP_MAGIC_PATH_CHARS
)){
1262 for(out
.s
= salloc((strlen(f
) * 3) +1), out
.l
= 0; (c
= *f
++) != '\0';)
1263 if(strchr("/" n_SHEXP_MAGIC_PATH_CHARS
, c
)){
1264 out
.s
[out
.l
++] = '%';
1265 n_c_to_hex_base16(&out
.s
[out
.l
], c
);
1269 out
.s
[out
.l
] = '\0';
1273 /* Avoid overwriting of existing files */
1274 while((fp
= Fopen(f
, "wx")) == NULL
){
1277 if((e
= n_err_no
) != n_ERR_EXIST
){
1278 n_err(_("Cannot open %s: %s\n"),
1279 n_shexp_quote_cp(f
, FAL0
), n_err_to_doc(e
));
1283 if(ip
->m_partstring
!= NULL
)
1284 f
= savecatsep(f
, '#', ip
->m_partstring
);
1286 f
= savecat(f
, "#.");
1295 pipecpy(FILE *pipebuf
, FILE *outbuf
, FILE *origobuf
, struct quoteflt
*qf
,
1298 char *line
= NULL
; /* TODO line pool */
1299 size_t linesize
= 0, linelen
, cnt
;
1305 cnt
= (size_t)fsize(pipebuf
);
1308 quoteflt_reset(qf
, outbuf
);
1309 while (fgetline(&line
, &linesize
, &cnt
, &linelen
, pipebuf
, 0) != NULL
) {
1310 if ((sz
= quoteflt_push(qf
, line
, linelen
)) < 0)
1314 if ((sz
= quoteflt_flush(qf
)) > 0)
1319 if (all_sz
> 0 && outbuf
== origobuf
&& stats
!= NULL
)
1326 statusput(const struct message
*mp
, FILE *obuf
, struct quoteflt
*qf
,
1329 char statout
[3], *cp
= statout
;
1332 if (mp
->m_flag
& MREAD
)
1334 if (!(mp
->m_flag
& MNEW
))
1338 int i
= fprintf(obuf
, "%.*sStatus: %s\n", (int)qf
->qf_pfix_len
,
1339 (qf
->qf_pfix_len
> 0 ? qf
->qf_pfix
: 0), statout
);
1340 if (i
> 0 && stats
!= NULL
)
1347 xstatusput(const struct message
*mp
, FILE *obuf
, struct quoteflt
*qf
,
1351 char *xp
= xstatout
;
1354 if (mp
->m_flag
& MFLAGGED
)
1356 if (mp
->m_flag
& MANSWERED
)
1358 if (mp
->m_flag
& MDRAFTED
)
1362 int i
= fprintf(obuf
, "%.*sX-Status: %s\n", (int)qf
->qf_pfix_len
,
1363 (qf
->qf_pfix_len
> 0 ? qf
->qf_pfix
: 0), xstatout
);
1364 if (i
> 0 && stats
!= NULL
)
1371 put_from_(FILE *fp
, struct mimepart
*ip
, ui64_t
*stats
)
1373 char const *froma
, *date
, *nl
;
1377 if (ip
!= NULL
&& ip
->m_from
!= NULL
) {
1379 date
= fakedate(ip
->m_time
);
1382 froma
= ok_vlook(LOGNAME
);
1383 date
= time_current
.tc_ctime
;
1388 if(n_COLOUR_IS_ACTIVE())
1389 n_colour_put(n_COLOUR_ID_VIEW_FROM_
, NULL
);
1391 i
= fprintf(fp
, "From %s %s%s", froma
, date
, nl
);
1393 if(n_COLOUR_IS_ACTIVE())
1396 if (i
> 0 && stats
!= NULL
)
1402 sendmp(struct message
*mp
, FILE *obuf
, struct n_ignore
const *doitp
,
1403 char const *prefix
, enum sendaction action
, ui64_t
*stats
)
1405 struct n_sigman linedat_protect
;
1408 enum mime_parse_flags mpf
;
1409 struct mimepart
*ip
;
1410 size_t linesize
, cnt
, sz
, i
;
1415 time_current_update(&time_current
, TRU1
);
1419 quoteflt_init(&qf
, prefix
);
1421 n_SIGMAN_ENTER_SWITCH(&linedat_protect
, n_SIGMAN_ALL
){
1428 if (mp
== dot
&& action
!= SEND_TOSRCH
)
1429 n_pstate
|= n_PS_DID_PRINT_DOT
;
1433 /* First line is the From_ line, so no headers there to worry about */
1434 if ((ibuf
= setinput(&mb
, mp
, NEED_BODY
)) == NULL
)
1441 char const *cpre
= n_empty
, *csuf
= n_empty
;
1444 if(n_COLOUR_IS_ACTIVE()){
1445 struct n_colour_pen
*cpen
;
1446 struct str
const *sp
;
1448 cpen
= n_colour_pen_create(n_COLOUR_ID_VIEW_FROM_
,NULL
);
1449 if((sp
= n_colour_pen_to_str(cpen
)) != NULL
){
1451 sp
= n_colour_reset_to_str();
1458 nozap
= (doitp
!= n_IGNORE_ALL
&& doitp
!= n_IGNORE_FWD
&&
1459 action
!= SEND_RFC822
&&
1460 !n_ignore_is_ign(doitp
, "from_", sizeof("from_") -1));
1461 if (mp
->m_flag
& MNOFROM
) {
1463 sz
= fprintf(obuf
, "%s%.*sFrom %s %s%s\n",
1464 cpre
, (int)qf
.qf_pfix_len
,
1465 (qf
.qf_pfix_len
!= 0 ? qf
.qf_pfix
: n_empty
), fakefrom(mp
),
1466 fakedate(mp
->m_time
), csuf
);
1468 if (qf
.qf_pfix_len
> 0) {
1469 i
= fwrite(qf
.qf_pfix
, sizeof *qf
.qf_pfix
, qf
.qf_pfix_len
, obuf
);
1470 if (i
!= qf
.qf_pfix_len
)
1477 cpre
= (char const*)0x1;
1481 while (cnt
> 0 && (c
= getc(ibuf
)) != EOF
) {
1483 if(c
== '\n' && *csuf
!= '\0'){
1484 cpre
= (char const*)0x1;
1496 if(*csuf
!= '\0' && cpre
!= (char const*)0x1 && *cpre
!= '\0')
1500 while (cnt
> 0 && (c
= getc(ibuf
)) != EOF
) {
1507 if (sz
> 0 && stats
!= NULL
)
1510 mpf
= MIME_PARSE_NONE
;
1511 if (action
!= SEND_MBOX
&& action
!= SEND_RFC822
&& action
!= SEND_SHOW
)
1512 mpf
|= MIME_PARSE_PARTS
| MIME_PARSE_DECRYPT
;
1513 if ((ip
= mime_parse_msg(mp
, mpf
)) == NULL
)
1516 rv
= sendpart(mp
, ip
, obuf
, doitp
, &qf
, action
, &linedat
, &linesize
,
1519 n_sigman_cleanup_ping(&linedat_protect
);
1521 quoteflt_destroy(&qf
);
1525 n_sigman_leave(&linedat_protect
, n_SIGMAN_VIPSIGS_NTTYOUT
);