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 - 2016 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 ignoretab
*doign
, int level
,
47 struct quoteflt
*qf
, ui64_t
*stats
);
49 /* Create a pipe; if mpp is not NULL, place some NAILENV_* 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
*rest
);
61 static void _send_onpipe(int signo
);
64 static int sendpart(struct message
*zmp
, struct mimepart
*ip
,
65 FILE *obuf
, struct ignoretab
*doign
,
66 struct quoteflt
*qf
, enum sendaction action
,
67 ui64_t
*stats
, int level
);
69 /* Get a file for an attachment */
70 static FILE * newfile(struct mimepart
*ip
, bool_t
volatile *ispipe
);
72 static void pipecpy(FILE *pipebuf
, FILE *outbuf
, FILE *origobuf
,
73 struct quoteflt
*qf
, ui64_t
*stats
);
75 /* Output a reasonable looking status field */
76 static void statusput(const struct message
*mp
, FILE *obuf
,
77 struct quoteflt
*qf
, ui64_t
*stats
);
78 static void xstatusput(const struct message
*mp
, FILE *obuf
,
79 struct quoteflt
*qf
, ui64_t
*stats
);
81 static void put_from_(FILE *fp
, struct mimepart
*ip
, ui64_t
*stats
);
84 _print_part_info(FILE *obuf
, struct mimepart
const *mpp
, /* TODO strtofmt.. */
85 struct ignoretab
*doign
, int level
, struct quoteflt
*qf
, ui64_t
*stats
)
88 struct str ti
= {NULL
, 0}, to
;
89 struct str
const *cpre
, *csuf
;
95 struct n_colour_pen
*cpen
= n_colour_pen_create(n_COLOUR_ID_VIEW_PARTINFO
,
97 if ((cpre
= n_colour_pen_to_str(cpen
)) != NULL
)
98 csuf
= n_colour_reset_to_str();
106 /* Take care of "99.99", i.e., 5 */
107 if ((cp
= mpp
->m_partstring
) == NULL
|| cp
[0] == '\0')
109 if (level
|| (cp
[0] != '1' && cp
[1] == '\0'))
110 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
112 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
113 _out("[-- #", 5, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
114 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
116 to
.l
= snprintf(buf
, sizeof buf
, " %" PRIuZ
"/%" PRIuZ
" ",
117 (uiz_t
)mpp
->m_lines
, (uiz_t
)mpp
->m_size
);
118 _out(buf
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
120 if ((cp
= mpp
->m_ct_type_usr_ovwr
) != NULL
)
121 _out("+", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
123 cp
= mpp
->m_ct_type_plain
;
124 if ((to
.l
= strlen(cp
)) > 30 && is_asccaseprefix(cp
, "application/")) {
125 size_t const al
= sizeof("appl../") -1, fl
= sizeof("application/") -1;
126 size_t i
= to
.l
- fl
;
127 char *x
= salloc(al
+ i
+1);
129 memcpy(x
, "appl../", al
);
130 memcpy(x
+ al
, cp
+ fl
, i
+1);
134 _out(cp
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
136 if (mpp
->m_multipart
== NULL
/* TODO */ && (cp
= mpp
->m_ct_enc
) != NULL
) {
137 _out(", ", 2, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
138 if (to
.l
> 25 && !asccasecmp(cp
, "quoted-printable"))
140 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
143 if (mpp
->m_multipart
== NULL
/* TODO */ && (cp
= mpp
->m_charset
) != NULL
) {
144 _out(", ", 2, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
145 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
148 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
150 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
151 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
153 if (is_ign("content-disposition", 19, doign
) && mpp
->m_filename
!= NULL
&&
154 *mpp
->m_filename
!= '\0') {
155 makeprint(n_str_add_cp(&ti
, mpp
->m_filename
), &to
);
157 to
.l
= delctrl(to
.s
, to
.l
);
160 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
161 _out("[-- ", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
162 _out(to
.s
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
163 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
165 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
166 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
174 _pipefile(struct mime_handler
*mhp
, struct mimepart
const *mpp
, FILE **qbuf
,
175 char const *tmpname
, int term_infd
)
178 char const *env_addon
[8], *cp
, *sh
;
184 if (mhp
->mh_flags
& MIME_HDL_ISQUOTE
) {
185 if ((*qbuf
= Ftmp(NULL
, "sendp", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
187 n_perr(_("tmpfile"), 0);
192 if ((mhp
->mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_PTF
) {
193 union {int (*ptf
)(void); char const *sh
;} u
;
196 if (*qbuf
!= stdout
) /* xxx never? v15: it'll be a filter anyway */
200 if((rbuf
= Popen((char*)-1, "W", u
.sh
, NULL
, fileno(*qbuf
))) == NULL
)
206 if (mpp
== NULL
|| (cp
= mpp
->m_filename
) == NULL
)
208 env_addon
[0] = str_concat_csvl(&s
, NAILENV_FILENAME
, "=", cp
, NULL
)->s
;
210 /* NAIL_FILENAME_GENERATED *//* TODO pathconf NAME_MAX; but user can create
211 * TODO a file wherever he wants! *Do* create a zero-size temporary file
212 * TODO and give *that* path as NAIL_FILENAME_TEMPORARY, clean it up once
213 * TODO the pipe returns? Like this we *can* verify path/name issues! */
214 env_addon
[1] = str_concat_csvl(&s
, NAILENV_FILENAME_GENERATED
, "=",
215 getrandstring(MIN(NAME_MAX
/ 4, 16)), NULL
)->s
;
217 /* NAIL_CONTENT{,_EVIDENCE} */
218 if (mpp
== NULL
|| (cp
= mpp
->m_ct_type_plain
) == NULL
)
220 env_addon
[2] = str_concat_csvl(&s
, NAILENV_CONTENT
, "=", cp
, NULL
)->s
;
222 if (mpp
!= NULL
&& mpp
->m_ct_type_usr_ovwr
!= NULL
)
223 cp
= mpp
->m_ct_type_usr_ovwr
;
224 env_addon
[3] = str_concat_csvl(&s
, NAILENV_CONTENT_EVIDENCE
, "=", cp
,
227 env_addon
[4] = str_concat_csvl(&s
, NAILENV_TMPDIR
, "=", tempdir
, NULL
)->s
;
228 env_addon
[5] = str_concat_csvl(&s
, "TMPDIR", "=", tempdir
, NULL
)->s
;
232 /* NAIL_FILENAME_TEMPORARY? */
233 if (tmpname
!= NULL
) {
234 env_addon
[6] = str_concat_csvl(&s
, NAILENV_FILENAME_TEMPORARY
, "=",
239 sh
= ok_vlook(SHELL
);
241 if (mhp
->mh_flags
& MIME_HDL_NEEDSTERM
) {
246 pid
= run_command(sh
, NULL
, term_infd
, COMMAND_FD_PASS
, "-c",
247 mhp
->mh_shell_cmd
, NULL
, env_addon
);
248 rbuf
= (pid
< 0) ? NULL
: (FILE*)-1;
250 rbuf
= Popen(mhp
->mh_shell_cmd
, "W", sh
, env_addon
,
251 (mhp
->mh_flags
& MIME_HDL_ASYNC
? -1 : fileno(*qbuf
)));
254 n_err(_("Cannot run MIME type handler: %s: %s\n"),
255 mhp
->mh_msg
, strerror(errno
));
268 _out(char const *buf
, size_t len
, FILE *fp
, enum conversion convert
, enum
269 sendaction action
, struct quoteflt
*qf
, ui64_t
*stats
, struct str
*rest
)
276 Well
... it turns out to
not work like that since of course a valid
277 RFC
4155 compliant parser
, like S
-nail
, takes care
for From_ lines only
278 after an empty line has been seen
, which cannot be detected that easily
280 ifdef HAVE_DEBUG
/* TODO assert legacy */
281 /* TODO if at all, this CAN only happen for SEND_DECRYPT, since all
282 * TODO other input situations handle RFC 4155 OR, if newly generated,
283 * TODO enforce quoted-printable if there is From_, as "required" by
284 * TODO RFC 5751. The SEND_DECRYPT case is not yet overhauled;
285 * TODO if it may happen in this path, we should just treat decryption
286 * TODO as we do for the other input paths; i.e., handle it in SSL!! */
287 if (action
== SEND_MBOX
|| action
== SEND_DECRYPT
)
288 assert(!is_head(buf
, len
, TRU1
));
290 if ((/*action == SEND_MBOX ||*/ action
== SEND_DECRYPT
) &&
291 is_head(buf
, len
, TRU1
)) {
297 flags
= ((int)action
& _TD_EOF
);
299 n
= mime_write(buf
, len
, fp
,
300 action
== SEND_MBOX
? CONV_NONE
: convert
,
301 flags
| ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
302 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
)
304 : (action
== SEND_TOSRCH
|| action
== SEND_TOPIPE
)
305 ? TD_ICONV
: (action
== SEND_SHOW
? TD_ISPR
: TD_NONE
)),
319 _send_onpipe(int signo
)
321 NYD_X
; /* Signal handler */
323 siglongjmp(_send_pipejmp
, 1);
326 static sigjmp_buf __sendp_actjmp
; /* TODO someday.. */
327 static int __sendp_sig
; /* TODO someday.. */
328 static sighandler_type __sendp_opipe
;
330 __sendp_onsig(int sig
) /* TODO someday, we won't need it no more */
332 NYD_X
; /* Signal handler */
334 siglongjmp(__sendp_actjmp
, 1);
338 sendpart(struct message
*zmp
, struct mimepart
*ip
, FILE * volatile obuf
,
339 struct ignoretab
*doign
, struct quoteflt
*qf
,
340 enum sendaction
volatile action
, ui64_t
* volatile stats
, int level
)
343 struct mime_handler mh
;
345 char *line
= NULL
, *cp
, *cp2
, *start
;
346 char const * volatile tmpname
= NULL
;
347 size_t linesize
= 0, linelen
, cnt
;
348 int volatile term_infd
;
350 struct mimepart
*volatile np
;
351 FILE * volatile ibuf
= NULL
, * volatile pbuf
= obuf
,
352 * volatile qbuf
= obuf
, *origobuf
= obuf
;
353 enum conversion
volatile convert
;
354 sighandler_type
volatile oldpipe
= SIG_DFL
;
357 UNINIT(term_infd
, 0);
360 if (ip
->m_mimecontent
== MIME_PKCS7
&& ip
->m_multipart
&&
361 action
!= SEND_MBOX
&& action
!= SEND_RFC822
&& action
!= SEND_SHOW
)
367 if (!is_ign("status", 6, doign
))
369 if (!is_ign("x-status", 8, doign
))
374 if ((ibuf
= setinput(&mb
, (struct message
*)ip
, NEED_BODY
)) == NULL
) {
380 if (ip
->m_mimecontent
== MIME_DISCARD
)
383 if (!(ip
->m_flag
& MNOFROM
))
384 while (cnt
&& (c
= getc(ibuf
)) != EOF
) {
389 convert
= (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
390 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
391 action
== SEND_TOSRCH
)
392 ? CONV_FROMHDR
: CONV_NONE
;
394 /* Work the headers */
395 quoteflt_reset(qf
, obuf
);
406 while (fgetline(&line
, &linesize
, &cnt
, &linelen
, ibuf
, 0)) {
408 if (line
[0] == '\n') {
409 /* If line is blank, we've reached end of headers, so force out
410 * status: field and note that we are no longer in header fields */
412 statusput(zmp
, obuf
, qf
, stats
);
414 xstatusput(zmp
, obuf
, qf
, stats
);
415 if (doign
!= allignore
)
416 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
421 if ((hps
& HPS_IN_FIELD
) && blankchar(line
[0])) {
422 /* If this line is a continuation (SP / HT) of a previous header
423 * field, determine if the start of the line is a MIME encoded word */
424 if (hps
& HPS_ISENC_2
) {
425 for (cp
= line
; blankchar(*cp
); ++cp
)
427 if (cp
> line
&& linelen
- PTR2SIZE(cp
- line
) > 8 &&
428 cp
[0] == '=' && cp
[1] == '?')
432 /* Pick up the header field if we have one */
433 for (cp
= line
; (c
= *cp
& 0377) && c
!= ':' && !spacechar(c
); ++cp
)
436 while (spacechar(*cp
))
440 n_err(_("Malformed message: headers and body not separated "
441 "(with empty line)\n"));
442 /* Not a header line, force out status: This happens in uucp style
443 * mail where there are no headers at all */
444 if (level
== 0 /*&& lineno == 1*/) {
446 statusput(zmp
, obuf
, qf
, stats
);
448 xstatusput(zmp
, obuf
, qf
, stats
);
450 if (doign
!= allignore
)
451 _out("\n", 1, obuf
, CONV_NONE
,SEND_MBOX
, qf
, stats
, NULL
);
455 /* If it is an ignored field and we care about such things, skip it.
456 * Misuse dostat also for another bit xxx use a bitenum + for more */
457 if (ok_blook(keep_content_length
))
460 *cp2
= 0; /* temporarily null terminate */
461 if ((doign
&& is_ign(line
, PTR2SIZE(cp2
- line
), doign
)) ||
462 (action
== SEND_MBOX
&& !(dostat
& (1 << 2)) &&
463 (!asccasecmp(line
, "content-length") ||
464 !asccasecmp(line
, "lines"))))
466 else if (!asccasecmp(line
, "status")) {
467 /* If field is "status," go compute and print real Status: field */
469 statusput(zmp
, obuf
, qf
, stats
);
473 } else if (!asccasecmp(line
, "x-status")) {
474 /* If field is "status," go compute and print real Status: field */
476 xstatusput(zmp
, obuf
, qf
, stats
);
482 /* For colourization we need the complete line, so save it */
483 /* XXX This is all temporary (colour belongs into backend), so
484 * XXX use tmpname as a temporary storage in the meanwhile */
486 if (pstate
& PS_COLOUR_ACTIVE
)
487 tmpname
= savestrbuf(line
, PTR2SIZE(cp2
- line
));
495 /* Determine if the end of the line is a MIME encoded word */
496 /* TODO geeeh! all this lengthy stuff that follows is about is dealing
497 * TODO with header follow lines, and it should be up to the backend
498 * TODO what happens and what not, i.e., it doesn't matter whether it's
499 * TODO a MIME-encoded word or not, as long as a single separating space
500 * TODO remains in between lines (the MIME stuff will correctly remove
501 * TODO whitespace in between multiple adjacent encoded words) */
503 if (cnt
&& (c
= getc(ibuf
)) != EOF
) {
505 cp
= line
+ linelen
- 1;
506 if (linelen
> 0 && *cp
== '\n')
508 while (cp
>= line
&& whitechar(*cp
))
510 if (PTR2SIZE(cp
- line
> 8) && cp
[0] == '=' && cp
[-1] == '?')
516 if (!(hps
& HPS_IGNORE
)) {
517 size_t len
= linelen
;
519 if (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
520 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
521 action
== SEND_TOSRCH
) {
522 /* Strip blank characters if two MIME-encoded words follow on
523 * continuing lines */
524 if (hps
& HPS_ISENC_1
)
525 while (len
> 0 && blankchar(*start
)) {
529 if (hps
& HPS_ISENC_2
)
530 if (len
> 0 && start
[len
- 1] == '\n')
532 while (len
> 0 && blankchar(start
[len
- 1]))
537 bool_t colour_stripped
= FAL0
;
538 if (tmpname
!= NULL
) {
539 n_colour_put(obuf
, n_COLOUR_ID_VIEW_HEADER
, tmpname
);
540 if (len
> 0 && start
[len
- 1] == '\n') {
541 colour_stripped
= TRU1
;
546 _out(start
, len
, obuf
, convert
, action
, qf
, stats
, NULL
);
548 if (tmpname
!= NULL
) {
549 n_colour_reset(obuf
);
569 memset(&mh
, 0, sizeof mh
);
571 switch (ip
->m_mimecontent
) {
575 case SEND_TODISP_ALL
:
578 if (ok_blook(rfc822_body_from_
)) {
579 if (qf
->qf_pfix_len
> 0) {
580 size_t i
= fwrite(qf
->qf_pfix
, sizeof *qf
->qf_pfix
,
581 qf
->qf_pfix_len
, obuf
);
582 if (i
== qf
->qf_pfix_len
&& stats
!= NULL
)
585 put_from_(obuf
, ip
->m_multipart
, stats
);
593 if (ok_blook(rfc822_body_from_
))
594 put_from_(obuf
, ip
->m_multipart
, stats
);
604 case MIME_TEXT_PLAIN
:
607 case SEND_TODISP_ALL
:
610 switch (mime_type_handler(&mh
, ip
, action
)) {
612 _out(mh
.mh_msg
.s
, mh
.mh_msg
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
,
614 /* We would print this as plain text, so better force going home */
625 if (action
!= SEND_DECRYPT
)
629 if (action
!= SEND_MBOX
&& action
!= SEND_RFC822
&&
630 action
!= SEND_SHOW
&& ip
->m_multipart
!= NULL
)
636 case SEND_TODISP_ALL
:
639 switch (mime_type_handler(&mh
, ip
, action
)) {
641 _out(mh
.mh_msg
.s
, mh
.mh_msg
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
,
643 /* We would print this as plain text, so better force going home */
646 /* FIXME WE NEED TO DO THAT IF WE ARE THE ONLY MAIL
647 * FIXME CONTENT !! */
652 if (level
== 0 && cnt
) {
653 char const *x
= _("[-- Binary content --]\n");
654 _out(x
, strlen(x
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
669 case MIME_ALTERNATIVE
:
670 if ((action
== SEND_TODISP
|| action
== SEND_QUOTE
) &&
671 !ok_blook(print_alternatives
)) {
672 /* XXX This (a) should not remain (b) should be own fun
673 * TODO (despite the fact that v15 will do this completely differently
674 * TODO by having an action-specific "manager" that will traverse the
675 * TODO parsed MIME tree and decide for each part whether it'll be
676 * TODO displayed or not *before* we walk the tree for doing action */
678 struct mpstack
*outer
;
680 } outermost
, * volatile curr
, * volatile mpsp
;
681 bool_t
volatile neednl
, hadpart
;
682 struct n_sigman smalter
;
684 (curr
= &outermost
)->outer
= NULL
;
686 neednl
= hadpart
= FAL0
;
688 n_SIGMAN_ENTER_SWITCH(&smalter
, n_SIGMAN_ALL
) {
696 for (np
= ip
->m_multipart
;;) {
698 for (; np
!= NULL
; np
= np
->m_nextpart
) {
699 if (action
!= SEND_QUOTE
&& np
->m_ct_type_plain
!= NULL
) {
701 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
702 _print_part_info(obuf
, np
, doign
, level
, qf
, stats
);
706 switch (np
->m_mimecontent
) {
707 case MIME_ALTERNATIVE
:
711 mpsp
= salloc(sizeof *mpsp
);
713 mpsp
->mp
= np
->m_multipart
;
722 switch (mime_type_handler(&mh
, np
, action
)) {
724 mh
.mh_flags
= MIME_HDL_NULL
;
725 continue; /* break; break; */
727 if (!ok_blook(mime_alternative_favour_rich
)) {/* TODO */
728 struct mimepart
*x
= np
;
730 while ((x
= x
->m_nextpart
) != NULL
) {
731 struct mime_handler mhx
;
733 if (x
->m_mimecontent
== MIME_TEXT_PLAIN
||
734 mime_type_handler(&mhx
, x
, action
) ==
739 continue; /* break; break; */
747 case MIME_TEXT_PLAIN
:
750 if (ok_blook(mime_alternative_favour_rich
)) { /* TODO */
751 struct mimepart
*x
= np
;
753 /* TODO twice TODO, we should dive into /related and
754 * TODO check whether that has rich parts! */
755 while ((x
= x
->m_nextpart
) != NULL
) {
756 struct mime_handler mhx
;
758 switch (mime_type_handler(&mhx
, x
, action
)) {
767 continue; /* break; break; */
771 if (action
== SEND_QUOTE
&& hadpart
) {
772 struct quoteflt
*dummy
= quoteflt_dummy();
773 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, dummy
, stats
,
775 quoteflt_flush(dummy
);
779 rv
= sendpart(zmp
, np
, obuf
, doign
, qf
, action
, stats
,
781 quoteflt_reset(qf
, origobuf
);
784 curr
= &outermost
; /* Cause overall loop termination */
793 np
= curr
->mp
->m_nextpart
;
796 n_sigman_leave(&smalter
, n_SIGMAN_VIPSIGS_NTTYOUT
);
805 case SEND_TODISP_ALL
:
813 if ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
) &&
814 ip
->m_multipart
!= NULL
&&
815 ip
->m_multipart
->m_mimecontent
== MIME_DISCARD
&&
816 ip
->m_multipart
->m_nextpart
== NULL
) {
817 char const *x
= _("[Missing multipart boundary - use show "
818 "to display the raw message]\n");
819 _out(x
, strlen(x
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
);
822 for (np
= ip
->m_multipart
; np
!= NULL
; np
= np
->m_nextpart
) {
823 bool_t
volatile ispipe
;
825 if (np
->m_mimecontent
== MIME_DISCARD
&& action
!= SEND_DECRYPT
)
831 if (np
->m_partstring
&& !strcmp(np
->m_partstring
, "1"))
834 /* TODO Always open multipart on /dev/null, it's a hack to be
835 * TODO able to dive into that structure, and still better
836 * TODO than asking the user for something stupid.
837 * TODO oh, wait, we did ask for a filename for this MIME mail,
838 * TODO and that outer container is useless anyway ;-P */
839 if (np
->m_multipart
!= NULL
) {
840 if ((obuf
= Fopen("/dev/null", "w")) == NULL
)
842 } else if ((obuf
= newfile(np
, &ispipe
)) == NULL
)
846 if (sigsetjmp(_send_pipejmp
, 1)) {
850 oldpipe
= safe_signal(SIGPIPE
, &_send_onpipe
);
853 case SEND_TODISP_ALL
:
854 if (ip
->m_mimecontent
!= MIME_ALTERNATIVE
&&
855 ip
->m_mimecontent
!= MIME_RELATED
&&
856 ip
->m_mimecontent
!= MIME_DIGEST
&&
857 ip
->m_mimecontent
!= MIME_MULTI
)
859 _print_part_info(obuf
, np
, doign
, level
, qf
, stats
);
873 if ((action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
) &&
874 np
->m_multipart
== NULL
&& ip
->m_parent
!= NULL
) {
875 struct quoteflt
*dummy
= quoteflt_dummy();
876 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, dummy
, stats
,
878 quoteflt_flush(dummy
);
880 if (sendpart(zmp
, np
, obuf
, doign
, qf
, action
, stats
, level
+1) < 0)
882 quoteflt_reset(qf
, origobuf
);
884 if (action
== SEND_QUOTE
) {
885 if (ip
->m_mimecontent
!= MIME_RELATED
)
888 if (action
== SEND_TOFILE
&& obuf
!= origobuf
) {
893 safe_signal(SIGPIPE
, SIG_IGN
);
895 safe_signal(SIGPIPE
, oldpipe
);
908 /* Copy out message body */
909 if (doign
== allignore
&& level
== 0) /* skip final blank line */
911 switch (ip
->m_mime_enc
) {
918 convert
= CONV_FROMQP
;
921 switch (ip
->m_mimecontent
) {
923 case MIME_TEXT_PLAIN
:
925 convert
= CONV_FROMB64_T
;
928 switch (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) {
931 convert
= CONV_FROMB64_T
;
934 convert
= CONV_FROMB64
;
944 if (action
== SEND_DECRYPT
|| action
== SEND_MBOX
||
945 action
== SEND_RFC822
|| action
== SEND_SHOW
)
948 if ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
949 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
950 action
== SEND_TOSRCH
) &&
951 (ip
->m_mimecontent
== MIME_TEXT_PLAIN
||
952 ip
->m_mimecontent
== MIME_TEXT_HTML
||
953 ip
->m_mimecontent
== MIME_TEXT
||
954 (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_TEXT
||
955 (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_PTF
)) {
956 char const *tcs
= charset_get_lc();
958 if (iconvd
!= (iconv_t
)-1)
959 n_iconv_close(iconvd
);
960 /* TODO Since Base64 has an odd 4:3 relation in between input
961 * TODO and output an input line may end with a partial
962 * TODO multibyte character; this is no problem at all unless
963 * TODO we send to the display or whatever, i.e., ensure
964 * TODO makeprint() or something; to avoid this trap, *force*
965 * TODO iconv(), in which case this layer will handle leftovers
967 if (convert
== CONV_FROMB64_T
|| (asccasecmp(tcs
, ip
->m_charset
) &&
968 asccasecmp(charset_get_7bit(), ip
->m_charset
))) {
969 iconvd
= n_iconv_open(tcs
, ip
->m_charset
);
971 * TODO errors should DEFINETELY not be scrolled away!
972 * TODO what about an error buffer (think old shsp(1)),
973 * TODO re-dump errors since last snapshot when the
974 * TODO command loop enters again? i.e., at least print
975 * TODO "There were errors ?" before the next prompt,
976 * TODO so that the user can look at the error buffer?
978 if (iconvd
== (iconv_t
)-1 && errno
== EINVAL
) {
979 n_err(_("Cannot convert from %s to %s\n"), ip
->m_charset
, tcs
);
980 /*rv = 1; goto jleave;*/
986 switch (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) {
992 term_infd
= COMMAND_FD_PASS
;
993 if (mh
.mh_flags
& (MIME_HDL_TMPF
| MIME_HDL_NEEDSTERM
)) {
996 of
= OF_RDWR
| OF_REGISTER
;
997 if (!(mh
.mh_flags
& MIME_HDL_TMPF
)) {
999 mh
.mh_flags
|= MIME_HDL_TMPF_FILL
;
1001 } else if (mh
.mh_flags
& MIME_HDL_TMPF_UNLINK
)
1002 of
|= OF_REGISTER_UNLINK
;
1004 if ((pbuf
= Ftmp((mh
.mh_flags
& MIME_HDL_TMPF
? &cp
: NULL
),
1005 (mh
.mh_flags
& MIME_HDL_TMPF_FILL
? "mimehdlfill" : "mimehdl"),
1009 if (mh
.mh_flags
& MIME_HDL_TMPF
) {
1010 tmpname
= savestr(cp
);
1014 if (mh
.mh_flags
& MIME_HDL_TMPF_FILL
) {
1016 term_infd
= fileno(pbuf
);
1022 pbuf
= _pipefile(&mh
, ip
, UNVOLATILE(&qbuf
), tmpname
, term_infd
);
1028 } else if ((mh
.mh_flags
& MIME_HDL_NEEDSTERM
) && pbuf
== (FILE*)-1) {
1033 action
= SEND_TOPIPE
;
1035 oldpipe
= safe_signal(SIGPIPE
, &_send_onpipe
);
1036 if (sigsetjmp(_send_pipejmp
, 1))
1042 mh
.mh_flags
= MIME_HDL_NULL
;
1049 bool_t
volatile eof
;
1050 ui32_t save_qf_pfix_len
= qf
->qf_pfix_len
;
1051 ui64_t
*save_stats
= stats
;
1053 if (pbuf
!= origobuf
) {
1054 qf
->qf_pfix_len
= 0; /* XXX legacy (remove filter instead) */
1063 __sendp_opipe
= safe_signal(SIGPIPE
, &__sendp_onsig
);
1064 if (sigsetjmp(__sendp_actjmp
, 1)) {
1069 if (iconvd
!= (iconv_t
)-1)
1070 n_iconv_close(iconvd
);
1072 safe_signal(SIGPIPE
, __sendp_opipe
);
1073 n_raise(__sendp_sig
);
1077 quoteflt_reset(qf
, pbuf
);
1078 while (!eof
&& fgetline(&line
, &linesize
, &cnt
, &linelen
, ibuf
, 0)) {
1080 if (_out(line
, linelen
, pbuf
, convert
, action
, qf
, stats
, &rest
) < 0 ||
1082 rv
= -1; /* XXX Should bail away?! */
1086 if (!eof
&& rv
>= 0 && rest
.l
!= 0) {
1093 /* TODO HACK: when sending to the display we yet get fooled if a message
1094 * TODO doesn't end in a newline, because of our input/output 1:1.
1095 * TODO This should be handled automatically by a display filter, then */
1096 if(rv
>= 0 && !qf
->qf_nl_last
&&
1097 (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
))
1098 rv
= quoteflt_push(qf
, "\n", 1);
1102 if (rv
>= 0 && (mh
.mh_flags
& MIME_HDL_TMPF_FILL
)) {
1103 mh
.mh_flags
&= ~MIME_HDL_TMPF_FILL
;
1105 really_rewind(pbuf
);
1106 /* Don't Fclose() the Ftmp() thing due to OF_REGISTER_UNLINK++ */
1107 goto jpipe_for_real
;
1111 safe_signal(SIGPIPE
, __sendp_opipe
);
1116 if (pbuf
!= origobuf
) {
1117 qf
->qf_pfix_len
= save_qf_pfix_len
;
1126 safe_signal(SIGPIPE
, SIG_IGN
);
1127 Pclose(pbuf
, !(mh
.mh_flags
& MIME_HDL_ASYNC
));
1128 safe_signal(SIGPIPE
, oldpipe
);
1129 if (rv
>= 0 && qbuf
!= NULL
&& qbuf
!= obuf
)
1130 pipecpy(qbuf
, obuf
, origobuf
, qf
, stats
);
1133 if (iconvd
!= (iconv_t
)-1)
1134 n_iconv_close(iconvd
);
1142 newfile(struct mimepart
*ip
, bool_t
volatile *ispipe
)
1152 if (f
!= NULL
&& f
!= (char*)-1) {
1155 makeprint(&in
, &out
);
1156 out
.l
= delctrl(out
.s
, out
.l
);
1157 f
= savestrbuf(out
.s
, out
.l
);
1161 if (options
& OPT_INTERACTIVE
) {
1163 struct n_string shou
, *shoup
;
1166 shoup
= n_string_creat_auto(&shou
);
1168 /* TODO Generic function which asks for filename.
1169 * TODO If the current part is the first textpart the target
1170 * TODO is implicit from outer `write' etc! */
1171 /* I18N: Filename input prompt with file type indication */
1172 str_concat_csvl(&prompt
, _("Enter filename for part "),
1173 (ip
->m_partstring
!= NULL
) ? ip
->m_partstring
: _("?"),
1174 _(" ("), ip
->m_ct_type_plain
, _("): "), NULL
);
1176 f2
= n_lex_input_cp((n_LEXINPUT_CTX_BASE
| n_LEXINPUT_HIST_ADD
),
1177 prompt
.s
, ((f
!= (char*)-1 && f
!= NULL
)
1178 ? n_shell_quote_cp(f
, FAL0
) : NULL
));
1182 if((n_shell_parse_token(shoup
, &in
, n_SHEXP_PARSE_TRUNC
|
1183 n_SHEXP_PARSE_TRIMSPACE
| n_SHEXP_PARSE_LOG
|
1184 n_SHEXP_PARSE_IGNORE_EMPTY
) &
1185 (n_SHEXP_STATE_OUTPUT
| n_SHEXP_STATE_ERR_MASK
)) !=
1186 n_SHEXP_STATE_OUTPUT
)
1190 f2
= n_string_cp(shoup
);
1192 if (f2
== NULL
|| *f2
== '\0') {
1193 if (options
& OPT_D_V
)
1194 n_err(_("... skipping this\n"));
1195 n_string_gut(shoup
);
1201 /* Pipes are expanded by the shell */
1203 else if ((f3
= fexpand(f2
, FEXP_LOCAL
| FEXP_NVAR
)) == NULL
)
1204 /* (Error message written by fexpand()) */
1209 n_string_gut(shoup
);
1211 if (f
== NULL
|| f
== (char*)-1) {
1217 fp
= Popen(f
+ 1, "w", ok_vlook(SHELL
), NULL
, 1);
1218 if (!(*ispipe
= (fp
!= NULL
)))
1221 if ((fp
= Fopen(f
, "w")) == NULL
)
1222 n_err(_("Cannot open %s\n"), n_shell_quote_cp(f
, FAL0
));
1230 pipecpy(FILE *pipebuf
, FILE *outbuf
, FILE *origobuf
, struct quoteflt
*qf
,
1233 char *line
= NULL
; /* TODO line pool */
1234 size_t linesize
= 0, linelen
, cnt
;
1240 cnt
= (size_t)fsize(pipebuf
);
1243 quoteflt_reset(qf
, outbuf
);
1244 while (fgetline(&line
, &linesize
, &cnt
, &linelen
, pipebuf
, 0) != NULL
) {
1245 if ((sz
= quoteflt_push(qf
, line
, linelen
)) < 0)
1249 if ((sz
= quoteflt_flush(qf
)) > 0)
1254 if (all_sz
> 0 && outbuf
== origobuf
&& stats
!= NULL
)
1261 statusput(const struct message
*mp
, FILE *obuf
, struct quoteflt
*qf
,
1264 char statout
[3], *cp
= statout
;
1267 if (mp
->m_flag
& MREAD
)
1269 if (!(mp
->m_flag
& MNEW
))
1273 int i
= fprintf(obuf
, "%.*sStatus: %s\n", (int)qf
->qf_pfix_len
,
1274 (qf
->qf_pfix_len
> 0 ? qf
->qf_pfix
: 0), statout
);
1275 if (i
> 0 && stats
!= NULL
)
1282 xstatusput(const struct message
*mp
, FILE *obuf
, struct quoteflt
*qf
,
1286 char *xp
= xstatout
;
1289 if (mp
->m_flag
& MFLAGGED
)
1291 if (mp
->m_flag
& MANSWERED
)
1293 if (mp
->m_flag
& MDRAFTED
)
1297 int i
= fprintf(obuf
, "%.*sX-Status: %s\n", (int)qf
->qf_pfix_len
,
1298 (qf
->qf_pfix_len
> 0 ? qf
->qf_pfix
: 0), xstatout
);
1299 if (i
> 0 && stats
!= NULL
)
1306 put_from_(FILE *fp
, struct mimepart
*ip
, ui64_t
*stats
)
1308 char const *froma
, *date
, *nl
;
1312 if (ip
!= NULL
&& ip
->m_from
!= NULL
) {
1314 date
= fakedate(ip
->m_time
);
1318 date
= time_current
.tc_ctime
;
1322 n_COLOUR( n_colour_put(fp
, n_COLOUR_ID_VIEW_FROM_
, NULL
); )
1323 i
= fprintf(fp
, "From %s %s%s", froma
, date
, nl
);
1324 n_COLOUR( n_colour_reset(fp
); )
1325 if (i
> 0 && stats
!= NULL
)
1331 sendmp(struct message
*mp
, FILE *obuf
, struct ignoretab
*doign
,
1332 char const *prefix
, enum sendaction action
, ui64_t
*stats
)
1337 enum mime_parse_flags mpf
;
1338 struct mimepart
*ip
;
1342 if (mp
== dot
&& action
!= SEND_TOSRCH
)
1343 pstate
|= PS_DID_PRINT_DOT
;
1346 quoteflt_init(&qf
, prefix
);
1348 /* First line is the From_ line, so no headers there to worry about */
1349 if ((ibuf
= setinput(&mb
, mp
, NEED_BODY
)) == NULL
)
1356 char const *cpre
= "", *csuf
= "";
1358 struct n_colour_pen
*cpen
= n_colour_pen_create(n_COLOUR_ID_VIEW_FROM_
,NULL
);
1359 struct str
const *sp
= n_colour_pen_to_str(cpen
);
1363 sp
= n_colour_reset_to_str();
1369 nozap
= (doign
!= allignore
&& doign
!= fwdignore
&& action
!= SEND_RFC822
&&
1370 !is_ign("from_", sizeof("from_") -1, doign
));
1371 if (mp
->m_flag
& MNOFROM
) {
1373 sz
= fprintf(obuf
, "%s%.*sFrom %s %s%s\n",
1374 cpre
, (int)qf
.qf_pfix_len
,
1375 (qf
.qf_pfix_len
!= 0 ? qf
.qf_pfix
: ""), fakefrom(mp
),
1376 fakedate(mp
->m_time
), csuf
);
1378 if (qf
.qf_pfix_len
> 0) {
1379 i
= fwrite(qf
.qf_pfix
, sizeof *qf
.qf_pfix
, qf
.qf_pfix_len
, obuf
);
1380 if (i
!= qf
.qf_pfix_len
)
1387 cpre
= (char const*)0x1;
1391 while (cnt
> 0 && (c
= getc(ibuf
)) != EOF
) {
1393 if (c
== '\n' && csuf
!= NULL
) {
1394 cpre
= (char const*)0x1;
1406 if (csuf
!= NULL
&& cpre
!= (char const*)0x1)
1410 while (cnt
> 0 && (c
= getc(ibuf
)) != EOF
) {
1417 if (sz
> 0 && stats
!= NULL
)
1420 mpf
= MIME_PARSE_NONE
;
1421 if (action
!= SEND_MBOX
&& action
!= SEND_RFC822
&& action
!= SEND_SHOW
)
1422 mpf
|= MIME_PARSE_DECRYPT
| MIME_PARSE_PARTS
;
1423 if ((ip
= mime_parse_msg(mp
, mpf
)) == NULL
)
1426 rv
= sendpart(mp
, ip
, obuf
, doign
, &qf
, action
, stats
, 0);
1428 quoteflt_destroy(&qf
);