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 n_ignore
const *doitp
, 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
*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 ui64_t
*stats
, int level
);
70 /* Get a file for an attachment */
71 static FILE * newfile(struct mimepart
*ip
, bool_t
volatile *ispipe
);
73 static void pipecpy(FILE *pipebuf
, FILE *outbuf
, FILE *origobuf
,
74 struct quoteflt
*qf
, ui64_t
*stats
);
76 /* Output a reasonable looking status field */
77 static void statusput(const struct message
*mp
, FILE *obuf
,
78 struct quoteflt
*qf
, ui64_t
*stats
);
79 static void xstatusput(const struct message
*mp
, FILE *obuf
,
80 struct quoteflt
*qf
, ui64_t
*stats
);
82 static void put_from_(FILE *fp
, struct mimepart
*ip
, ui64_t
*stats
);
85 _print_part_info(FILE *obuf
, struct mimepart
const *mpp
, /* TODO strtofmt.. */
86 struct n_ignore
const *doitp
, int level
, struct quoteflt
*qf
, ui64_t
*stats
)
89 struct str ti
= {NULL
, 0}, to
;
90 struct str
const *cpre
, *csuf
;
96 struct n_colour_pen
*cpen
= n_colour_pen_create(n_COLOUR_ID_VIEW_PARTINFO
,
98 if ((cpre
= n_colour_pen_to_str(cpen
)) != NULL
)
99 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'))
111 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
113 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
114 _out("[-- #", 5, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
115 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
117 to
.l
= snprintf(buf
, sizeof buf
, " %" PRIuZ
"/%" PRIuZ
" ",
118 (uiz_t
)mpp
->m_lines
, (uiz_t
)mpp
->m_size
);
119 _out(buf
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
121 if ((cp
= mpp
->m_ct_type_usr_ovwr
) != NULL
)
122 _out("+", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
124 cp
= mpp
->m_ct_type_plain
;
125 if ((to
.l
= strlen(cp
)) > 30 && is_asccaseprefix(cp
, "application/")) {
126 size_t const al
= sizeof("appl../") -1, fl
= sizeof("application/") -1;
127 size_t i
= to
.l
- fl
;
128 char *x
= salloc(al
+ i
+1);
130 memcpy(x
, "appl../", al
);
131 memcpy(x
+ al
, cp
+ fl
, i
+1);
135 _out(cp
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
137 if (mpp
->m_multipart
== NULL
/* TODO */ && (cp
= mpp
->m_ct_enc
) != NULL
) {
138 _out(", ", 2, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
139 if (to
.l
> 25 && !asccasecmp(cp
, "quoted-printable"))
141 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
144 if (mpp
->m_multipart
== NULL
/* TODO */ && (cp
= mpp
->m_charset
) != NULL
) {
145 _out(", ", 2, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
146 _out(cp
, strlen(cp
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
149 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
151 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
152 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
154 if (n_ignore_is_ign(doitp
, "content-disposition", 19) &&
155 mpp
->m_filename
!= NULL
&& *mpp
->m_filename
!= '\0') {
156 makeprint(n_str_add_cp(&ti
, mpp
->m_filename
), &to
);
158 to
.l
= delctrl(to
.s
, to
.l
);
161 _out(cpre
->s
, cpre
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
163 _out("[-- ", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
164 _out(to
.s
, to
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
165 _out(" --]", 4, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
167 _out(csuf
->s
, csuf
->l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
169 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
, NULL
);
177 _pipefile(struct mime_handler
*mhp
, struct mimepart
const *mpp
, FILE **qbuf
,
178 char const *tmpname
, int term_infd
)
181 char const *env_addon
[8], *cp
, *sh
;
187 if (mhp
->mh_flags
& MIME_HDL_ISQUOTE
) {
188 if ((*qbuf
= Ftmp(NULL
, "sendp", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
190 n_perr(_("tmpfile"), 0);
195 if ((mhp
->mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_PTF
) {
196 union {int (*ptf
)(void); char const *sh
;} u
;
199 if (*qbuf
!= stdout
) /* xxx never? v15: it'll be a filter anyway */
203 if((rbuf
= Popen((char*)-1, "W", u
.sh
, NULL
, fileno(*qbuf
))) == NULL
)
209 if (mpp
== NULL
|| (cp
= mpp
->m_filename
) == NULL
)
211 env_addon
[0] = str_concat_csvl(&s
, NAILENV_FILENAME
, "=", cp
, NULL
)->s
;
213 /* NAIL_FILENAME_GENERATED *//* TODO pathconf NAME_MAX; but user can create
214 * TODO a file wherever he wants! *Do* create a zero-size temporary file
215 * TODO and give *that* path as NAIL_FILENAME_TEMPORARY, clean it up once
216 * TODO the pipe returns? Like this we *can* verify path/name issues! */
217 env_addon
[1] = str_concat_csvl(&s
, NAILENV_FILENAME_GENERATED
, "=",
218 getrandstring(n_MIN(NAME_MAX
/ 4, 16)), NULL
)->s
;
220 /* NAIL_CONTENT{,_EVIDENCE} */
221 if (mpp
== NULL
|| (cp
= mpp
->m_ct_type_plain
) == NULL
)
223 env_addon
[2] = str_concat_csvl(&s
, NAILENV_CONTENT
, "=", cp
, NULL
)->s
;
225 if (mpp
!= NULL
&& mpp
->m_ct_type_usr_ovwr
!= NULL
)
226 cp
= mpp
->m_ct_type_usr_ovwr
;
227 env_addon
[3] = str_concat_csvl(&s
, NAILENV_CONTENT_EVIDENCE
, "=", cp
,
230 cp
= ok_vlook(TMPDIR
);
231 env_addon
[4] = str_concat_csvl(&s
, NAILENV_TMPDIR
, "=", cp
, NULL
)->s
;
232 env_addon
[5] = str_concat_csvl(&s
, "TMPDIR", "=", cp
, NULL
)->s
;
236 /* NAIL_FILENAME_TEMPORARY? */
237 if (tmpname
!= NULL
) {
238 env_addon
[6] = str_concat_csvl(&s
, NAILENV_FILENAME_TEMPORARY
, "=",
243 sh
= ok_vlook(SHELL
);
245 if (mhp
->mh_flags
& MIME_HDL_NEEDSTERM
) {
250 pid
= run_command(sh
, &nset
, term_infd
, COMMAND_FD_PASS
, "-c",
251 mhp
->mh_shell_cmd
, NULL
, env_addon
);
252 rbuf
= (pid
< 0) ? NULL
: (FILE*)-1;
254 rbuf
= Popen(mhp
->mh_shell_cmd
, "W", sh
, env_addon
,
255 (mhp
->mh_flags
& MIME_HDL_ASYNC
? -1 : fileno(*qbuf
)));
258 n_err(_("Cannot run MIME type handler: %s: %s\n"),
259 mhp
->mh_msg
, strerror(errno
));
272 _out(char const *buf
, size_t len
, FILE *fp
, enum conversion convert
, enum
273 sendaction action
, struct quoteflt
*qf
, ui64_t
*stats
, struct str
*outrest
,
281 Well
... it turns out to
not work like that since of course a valid
282 RFC
4155 compliant parser
, like S
-nail
, takes care
for From_ lines only
283 after an empty line has been seen
, which cannot be detected that easily
285 ifdef HAVE_DEBUG
/* TODO assert legacy */
286 /* TODO if at all, this CAN only happen for SEND_DECRYPT, since all
287 * TODO other input situations handle RFC 4155 OR, if newly generated,
288 * TODO enforce quoted-printable if there is From_, as "required" by
289 * TODO RFC 5751. The SEND_DECRYPT case is not yet overhauled;
290 * TODO if it may happen in this path, we should just treat decryption
291 * TODO as we do for the other input paths; i.e., handle it in SSL!! */
292 if (action
== SEND_MBOX
|| action
== SEND_DECRYPT
)
293 assert(!is_head(buf
, len
, FAL0
));
295 if ((/*action == SEND_MBOX ||*/ action
== SEND_DECRYPT
) &&
296 is_head(buf
, len
, FAL0
)) {
302 flags
= ((int)action
& _TD_EOF
);
304 n
= mime_write(buf
, len
, fp
,
305 action
== SEND_MBOX
? CONV_NONE
: convert
,
306 flags
| ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
307 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
)
309 : (action
== SEND_TOSRCH
|| action
== SEND_TOPIPE
)
310 ? TD_ICONV
: (action
== SEND_SHOW
? TD_ISPR
: TD_NONE
)),
311 qf
, outrest
, inrest
);
324 _send_onpipe(int signo
)
326 NYD_X
; /* Signal handler */
328 siglongjmp(_send_pipejmp
, 1);
331 static sigjmp_buf __sendp_actjmp
; /* TODO someday.. */
332 static int __sendp_sig
; /* TODO someday.. */
333 static sighandler_type __sendp_opipe
;
335 __sendp_onsig(int sig
) /* TODO someday, we won't need it no more */
337 NYD_X
; /* Signal handler */
339 siglongjmp(__sendp_actjmp
, 1);
343 sendpart(struct message
*zmp
, struct mimepart
*ip
, FILE * volatile obuf
,
344 struct n_ignore
const *doitp
, struct quoteflt
*qf
,
345 enum sendaction
volatile action
, ui64_t
* volatile stats
, int level
)
348 struct mime_handler mh
;
349 struct str outrest
, inrest
;
350 char *line
= NULL
, *cp
, *cp2
, *start
;
351 char const * volatile tmpname
= NULL
;
352 size_t linesize
= 0, linelen
, cnt
;
353 int volatile term_infd
;
355 struct mimepart
*volatile np
;
356 FILE * volatile ibuf
= NULL
, * volatile pbuf
= obuf
,
357 * volatile qbuf
= obuf
, *origobuf
= obuf
;
358 enum conversion
volatile convert
;
359 sighandler_type
volatile oldpipe
= SIG_DFL
;
362 n_UNINIT(term_infd
, 0);
365 if (ip
->m_mimecontent
== MIME_PKCS7
&& ip
->m_multipart
&&
366 action
!= SEND_MBOX
&& action
!= SEND_RFC822
&& action
!= SEND_SHOW
)
372 if (!n_ignore_is_ign(doitp
, "status", 6))
374 if (!n_ignore_is_ign(doitp
, "x-status", 8))
379 if ((ibuf
= setinput(&mb
, (struct message
*)ip
, NEED_BODY
)) == NULL
) {
385 if (ip
->m_mimecontent
== MIME_DISCARD
)
388 if (!(ip
->m_flag
& MNOFROM
))
389 while (cnt
&& (c
= getc(ibuf
)) != EOF
) {
394 convert
= (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
395 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
396 action
== SEND_TOSRCH
)
397 ? CONV_FROMHDR
: CONV_NONE
;
399 /* Work the headers */
400 quoteflt_reset(qf
, obuf
);
411 while (fgetline(&line
, &linesize
, &cnt
, &linelen
, ibuf
, 0)) {
413 if (line
[0] == '\n') {
414 /* If line is blank, we've reached end of headers, so force out
415 * status: field and note that we are no longer in header fields */
417 statusput(zmp
, obuf
, qf
, stats
);
419 xstatusput(zmp
, obuf
, qf
, stats
);
420 if (doitp
!= n_IGNORE_ALL
)
421 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
, NULL
,NULL
);
426 if ((hps
& HPS_IN_FIELD
) && blankchar(line
[0])) {
427 /* If this line is a continuation (SP / HT) of a previous header
428 * field, determine if the start of the line is a MIME encoded word */
429 if (hps
& HPS_ISENC_2
) {
430 for (cp
= line
; blankchar(*cp
); ++cp
)
432 if (cp
> line
&& linelen
- PTR2SIZE(cp
- line
) > 8 &&
433 cp
[0] == '=' && cp
[1] == '?')
437 /* Pick up the header field if we have one */
438 for (cp
= line
; (c
= *cp
& 0377) && c
!= ':' && !spacechar(c
); ++cp
)
441 while (spacechar(*cp
))
445 n_err(_("Malformed message: headers and body not separated "
446 "(with empty line)\n"));
447 /* Not a header line, force out status: This happens in uucp style
448 * mail where there are no headers at all */
449 if (level
== 0 /*&& lineno == 1*/) {
451 statusput(zmp
, obuf
, qf
, stats
);
453 xstatusput(zmp
, obuf
, qf
, stats
);
455 if (doitp
!= n_IGNORE_ALL
)
456 _out("\n", 1, obuf
, CONV_NONE
,SEND_MBOX
, qf
, stats
, NULL
,NULL
);
460 /* If it is an ignored field and we care about such things, skip it.
461 * Misuse dostat also for another bit xxx use a bitenum + for more */
462 if (ok_blook(keep_content_length
))
465 *cp2
= 0; /* temporarily null terminate */
466 if ((doitp
!= NULL
&&
467 n_ignore_is_ign(doitp
, line
, PTR2SIZE(cp2
- line
))) ||
468 (action
== SEND_MBOX
&& !(dostat
& (1 << 2)) &&
469 (!asccasecmp(line
, "content-length") ||
470 !asccasecmp(line
, "lines"))))
472 else if (!asccasecmp(line
, "status")) {
473 /* If field is "status," go compute and print real Status: field */
475 statusput(zmp
, obuf
, qf
, stats
);
479 } else if (!asccasecmp(line
, "x-status")) {
480 /* If field is "status," go compute and print real Status: field */
482 xstatusput(zmp
, obuf
, qf
, stats
);
488 /* For colourization we need the complete line, so save it */
489 /* XXX This is all temporary (colour belongs into backend), so
490 * XXX use tmpname as a temporary storage in the meanwhile */
492 if (pstate
& PS_COLOUR_ACTIVE
)
493 tmpname
= savestrbuf(line
, PTR2SIZE(cp2
- line
));
501 /* Determine if the end of the line is a MIME encoded word */
502 /* TODO geeeh! all this lengthy stuff that follows is about is dealing
503 * TODO with header follow lines, and it should be up to the backend
504 * TODO what happens and what not, i.e., it doesn't matter whether it's
505 * TODO a MIME-encoded word or not, as long as a single separating space
506 * TODO remains in between lines (the MIME stuff will correctly remove
507 * TODO whitespace in between multiple adjacent encoded words) */
509 if (cnt
&& (c
= getc(ibuf
)) != EOF
) {
511 cp
= line
+ linelen
- 1;
512 if (linelen
> 0 && *cp
== '\n')
514 while (cp
>= line
&& whitechar(*cp
))
516 if (PTR2SIZE(cp
- line
> 8) && cp
[0] == '=' && cp
[-1] == '?')
522 if (!(hps
& HPS_IGNORE
)) {
523 size_t len
= linelen
;
525 if (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
526 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
527 action
== SEND_TOSRCH
) {
528 /* Strip blank characters if two MIME-encoded words follow on
529 * continuing lines */
530 if (hps
& HPS_ISENC_1
)
531 while (len
> 0 && blankchar(*start
)) {
535 if (hps
& HPS_ISENC_2
)
536 if (len
> 0 && start
[len
- 1] == '\n')
538 while (len
> 0 && blankchar(start
[len
- 1]))
543 bool_t colour_stripped
= FAL0
;
544 if (tmpname
!= NULL
) {
545 n_colour_put(obuf
, n_COLOUR_ID_VIEW_HEADER
, tmpname
);
546 if (len
> 0 && start
[len
- 1] == '\n') {
547 colour_stripped
= TRU1
;
552 _out(start
, len
, obuf
, convert
, action
, qf
, stats
, NULL
,NULL
);
554 if (tmpname
!= NULL
) {
555 n_colour_reset(obuf
);
575 memset(&mh
, 0, sizeof mh
);
577 switch (ip
->m_mimecontent
) {
581 case SEND_TODISP_ALL
:
584 if (ok_blook(rfc822_body_from_
)) {
585 if (qf
->qf_pfix_len
> 0) {
586 size_t i
= fwrite(qf
->qf_pfix
, sizeof *qf
->qf_pfix
,
587 qf
->qf_pfix_len
, obuf
);
588 if (i
== qf
->qf_pfix_len
&& stats
!= NULL
)
591 put_from_(obuf
, ip
->m_multipart
, stats
);
599 if (ok_blook(rfc822_body_from_
))
600 put_from_(obuf
, ip
->m_multipart
, stats
);
610 case MIME_TEXT_PLAIN
:
613 case SEND_TODISP_ALL
:
616 switch (mime_type_handler(&mh
, ip
, action
)) {
618 _out(mh
.mh_msg
.s
, mh
.mh_msg
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
,
620 /* We would print this as plain text, so better force going home */
631 if (action
!= SEND_DECRYPT
)
635 if (action
!= SEND_MBOX
&& action
!= SEND_RFC822
&&
636 action
!= SEND_SHOW
&& ip
->m_multipart
!= NULL
)
642 case SEND_TODISP_ALL
:
645 switch (mime_type_handler(&mh
, ip
, action
)) {
647 _out(mh
.mh_msg
.s
, mh
.mh_msg
.l
, obuf
, CONV_NONE
, SEND_MBOX
, qf
,
649 /* We would print this as plain text, so better force going home */
652 /* FIXME WE NEED TO DO THAT IF WE ARE THE ONLY MAIL
653 * FIXME CONTENT !! */
658 if (level
== 0 && cnt
) {
659 char const *x
= _("[-- Binary content --]\n");
660 _out(x
, strlen(x
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
676 case MIME_ALTERNATIVE
:
677 if ((action
== SEND_TODISP
|| action
== SEND_QUOTE
) &&
678 !ok_blook(print_alternatives
)) {
679 /* XXX This (a) should not remain (b) should be own fun
680 * TODO (despite the fact that v15 will do this completely differently
681 * TODO by having an action-specific "manager" that will traverse the
682 * TODO parsed MIME tree and decide for each part whether it'll be
683 * TODO displayed or not *before* we walk the tree for doing action */
685 struct mpstack
*outer
;
687 } outermost
, * volatile curr
, * volatile mpsp
;
688 bool_t
volatile neednl
, hadpart
;
689 struct n_sigman smalter
;
691 (curr
= &outermost
)->outer
= NULL
;
693 neednl
= hadpart
= FAL0
;
695 n_SIGMAN_ENTER_SWITCH(&smalter
, n_SIGMAN_ALL
) {
703 for (np
= ip
->m_multipart
;;) {
705 for (; np
!= NULL
; np
= np
->m_nextpart
) {
706 if (action
!= SEND_QUOTE
&& np
->m_ct_type_plain
!= NULL
) {
708 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
710 _print_part_info(obuf
, np
, doitp
, level
, qf
, stats
);
714 switch (np
->m_mimecontent
) {
715 case MIME_ALTERNATIVE
:
721 mpsp
= salloc(sizeof *mpsp
);
723 mpsp
->mp
= np
->m_multipart
;
732 switch (mime_type_handler(&mh
, np
, action
)) {
734 mh
.mh_flags
= MIME_HDL_NULL
;
735 continue; /* break; break; */
737 if (!ok_blook(mime_alternative_favour_rich
)) {/* TODO */
738 struct mimepart
*x
= np
;
740 while ((x
= x
->m_nextpart
) != NULL
) {
741 struct mime_handler mhx
;
743 if (x
->m_mimecontent
== MIME_TEXT_PLAIN
||
744 mime_type_handler(&mhx
, x
, action
) ==
749 continue; /* break; break; */
757 case MIME_TEXT_PLAIN
:
760 if (ok_blook(mime_alternative_favour_rich
)) { /* TODO */
761 struct mimepart
*x
= np
;
763 /* TODO twice TODO, we should dive into /related and
764 * TODO check whether that has rich parts! */
765 while ((x
= x
->m_nextpart
) != NULL
) {
766 struct mime_handler mhx
;
768 switch (mime_type_handler(&mhx
, x
, action
)) {
777 continue; /* break; break; */
781 if (action
== SEND_QUOTE
&& hadpart
) {
782 struct quoteflt
*dummy
= quoteflt_dummy();
783 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, dummy
, stats
,
785 quoteflt_flush(dummy
);
789 rv
= sendpart(zmp
, np
, obuf
, doitp
, qf
, action
, stats
,
791 quoteflt_reset(qf
, origobuf
);
794 curr
= &outermost
; /* Cause overall loop termination */
803 np
= curr
->mp
->m_nextpart
;
806 n_sigman_leave(&smalter
, n_SIGMAN_VIPSIGS_NTTYOUT
);
817 case SEND_TODISP_ALL
:
825 if ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
) &&
826 ip
->m_multipart
!= NULL
&&
827 ip
->m_multipart
->m_mimecontent
== MIME_DISCARD
&&
828 ip
->m_multipart
->m_nextpart
== NULL
) {
829 char const *x
= _("[Missing multipart boundary - use show "
830 "to display the raw message]\n");
831 _out(x
, strlen(x
), obuf
, CONV_NONE
, SEND_MBOX
, qf
, stats
,
835 for (np
= ip
->m_multipart
; np
!= NULL
; np
= np
->m_nextpart
) {
836 bool_t
volatile ispipe
;
838 if (np
->m_mimecontent
== MIME_DISCARD
&& action
!= SEND_DECRYPT
)
844 if (np
->m_partstring
&& !strcmp(np
->m_partstring
, "1"))
847 /* TODO Always open multipart on /dev/null, it's a hack to be
848 * TODO able to dive into that structure, and still better
849 * TODO than asking the user for something stupid.
850 * TODO oh, wait, we did ask for a filename for this MIME mail,
851 * TODO and that outer container is useless anyway ;-P */
852 if (np
->m_multipart
!= NULL
) {
853 if ((obuf
= Fopen("/dev/null", "w")) == NULL
)
855 } else if ((obuf
= newfile(np
, &ispipe
)) == NULL
)
859 if (sigsetjmp(_send_pipejmp
, 1)) {
863 oldpipe
= safe_signal(SIGPIPE
, &_send_onpipe
);
866 case SEND_TODISP_ALL
:
867 if (ip
->m_mimecontent
!= MIME_ALTERNATIVE
&&
868 ip
->m_mimecontent
!= MIME_RELATED
&&
869 ip
->m_mimecontent
!= MIME_DIGEST
&&
870 ip
->m_mimecontent
!= MIME_SIGNED
&&
871 ip
->m_mimecontent
!= MIME_ENCRYPTED
&&
872 ip
->m_mimecontent
!= MIME_MULTI
)
874 _print_part_info(obuf
, np
, doitp
, level
, qf
, stats
);
888 if ((action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
) &&
889 np
->m_multipart
== NULL
&& ip
->m_parent
!= NULL
) {
890 struct quoteflt
*dummy
= quoteflt_dummy();
891 _out("\n", 1, obuf
, CONV_NONE
, SEND_MBOX
, dummy
, stats
,
893 quoteflt_flush(dummy
);
895 if (sendpart(zmp
, np
, obuf
, doitp
, qf
, action
, stats
, level
+1) < 0)
897 quoteflt_reset(qf
, origobuf
);
899 if (action
== SEND_QUOTE
) {
900 if (ip
->m_mimecontent
!= MIME_RELATED
)
903 if (action
== SEND_TOFILE
&& obuf
!= origobuf
) {
908 safe_signal(SIGPIPE
, SIG_IGN
);
910 safe_signal(SIGPIPE
, oldpipe
);
923 /* Copy out message body */
924 if (doitp
== n_IGNORE_ALL
&& level
== 0) /* skip final blank line */
926 switch (ip
->m_mime_enc
) {
933 convert
= CONV_FROMQP
;
936 switch (ip
->m_mimecontent
) {
938 case MIME_TEXT_PLAIN
:
940 convert
= CONV_FROMB64_T
;
943 switch (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) {
946 convert
= CONV_FROMB64_T
;
949 convert
= CONV_FROMB64
;
959 if (action
== SEND_DECRYPT
|| action
== SEND_MBOX
||
960 action
== SEND_RFC822
|| action
== SEND_SHOW
)
963 if ((action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
||
964 action
== SEND_QUOTE
|| action
== SEND_QUOTE_ALL
||
965 action
== SEND_TOSRCH
) &&
966 (ip
->m_mimecontent
== MIME_TEXT_PLAIN
||
967 ip
->m_mimecontent
== MIME_TEXT_HTML
||
968 ip
->m_mimecontent
== MIME_TEXT
||
969 (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_TEXT
||
970 (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) == MIME_HDL_PTF
)) {
971 char const *tcs
= charset_get_lc();
973 if (iconvd
!= (iconv_t
)-1)
974 n_iconv_close(iconvd
);
975 /* TODO Since Base64 has an odd 4:3 relation in between input
976 * TODO and output an input line may end with a partial
977 * TODO multibyte character; this is no problem at all unless
978 * TODO we send to the display or whatever, i.e., ensure
979 * TODO makeprint() or something; to avoid this trap, *force*
980 * TODO iconv(), in which case this layer will handle leftovers
981 * TODO correctly. It's a pre-v15 we-have-filters hack */
982 if (convert
== CONV_FROMB64_T
|| (asccasecmp(tcs
, ip
->m_charset
) &&
983 asccasecmp(charset_get_7bit(), ip
->m_charset
))) {
984 iconvd
= n_iconv_open(tcs
, ip
->m_charset
);
985 if (iconvd
== (iconv_t
)-1 && errno
== EINVAL
) {
986 n_err(_("Cannot convert from %s to %s\n"), ip
->m_charset
, tcs
);
987 /*rv = 1; goto jleave;*/
993 switch (mh
.mh_flags
& MIME_HDL_TYPE_MASK
) {
999 term_infd
= COMMAND_FD_PASS
;
1000 if (mh
.mh_flags
& (MIME_HDL_TMPF
| MIME_HDL_NEEDSTERM
)) {
1003 of
= OF_RDWR
| OF_REGISTER
;
1004 if (!(mh
.mh_flags
& MIME_HDL_TMPF
)) {
1006 mh
.mh_flags
|= MIME_HDL_TMPF_FILL
;
1008 } else if (mh
.mh_flags
& MIME_HDL_TMPF_UNLINK
)
1009 of
|= OF_REGISTER_UNLINK
;
1011 if ((pbuf
= Ftmp((mh
.mh_flags
& MIME_HDL_TMPF
? &cp
: NULL
),
1012 (mh
.mh_flags
& MIME_HDL_TMPF_FILL
? "mimehdlfill" : "mimehdl"),
1016 if (mh
.mh_flags
& MIME_HDL_TMPF
) {
1017 tmpname
= savestr(cp
);
1021 if (mh
.mh_flags
& MIME_HDL_TMPF_FILL
) {
1023 term_infd
= fileno(pbuf
);
1029 pbuf
= _pipefile(&mh
, ip
, n_UNVOLATILE(&qbuf
), tmpname
, term_infd
);
1035 } else if ((mh
.mh_flags
& MIME_HDL_NEEDSTERM
) && pbuf
== (FILE*)-1) {
1040 action
= SEND_TOPIPE
;
1042 oldpipe
= safe_signal(SIGPIPE
, &_send_onpipe
);
1043 if (sigsetjmp(_send_pipejmp
, 1))
1049 mh
.mh_flags
= MIME_HDL_NULL
;
1056 bool_t
volatile eof
;
1057 ui32_t save_qf_pfix_len
= qf
->qf_pfix_len
;
1058 ui64_t
*save_stats
= stats
;
1060 if (pbuf
!= origobuf
) {
1061 qf
->qf_pfix_len
= 0; /* XXX legacy (remove filter instead) */
1065 outrest
.s
= inrest
.s
= NULL
;
1066 outrest
.l
= inrest
.l
= 0;
1070 __sendp_opipe
= safe_signal(SIGPIPE
, &__sendp_onsig
);
1071 if (sigsetjmp(__sendp_actjmp
, 1)) {
1072 if (outrest
.s
!= NULL
)
1074 if (inrest
.s
!= NULL
)
1078 if (iconvd
!= (iconv_t
)-1)
1079 n_iconv_close(iconvd
);
1081 safe_signal(SIGPIPE
, __sendp_opipe
);
1082 n_raise(__sendp_sig
);
1086 quoteflt_reset(qf
, pbuf
);
1087 while (!eof
&& fgetline(&line
, &linesize
, &cnt
, &linelen
, ibuf
, 0)) {
1089 if (_out(line
, linelen
, pbuf
, convert
, action
, qf
, stats
, &outrest
,
1090 (action
& _TD_EOF
? NULL
: &inrest
)) < 0 || ferror(pbuf
)) {
1091 rv
= -1; /* XXX Should bail away?! */
1095 if(eof
<= FAL0
&& rv
>= 0 && (outrest
.l
!= 0 || inrest
.l
!= 0)){
1097 if(eof
|| inrest
.l
== 0)
1099 eof
= eof
? TRU1
: TRUM1
;
1103 /* TODO HACK: when sending to the display we yet get fooled if a message
1104 * TODO doesn't end in a newline, because of our input/output 1:1.
1105 * TODO This should be handled automatically by a display filter, then */
1106 if(rv
>= 0 && !qf
->qf_nl_last
&&
1107 (action
== SEND_TODISP
|| action
== SEND_TODISP_ALL
))
1108 rv
= quoteflt_push(qf
, "\n", 1);
1112 if (rv
>= 0 && (mh
.mh_flags
& MIME_HDL_TMPF_FILL
)) {
1113 mh
.mh_flags
&= ~MIME_HDL_TMPF_FILL
;
1115 really_rewind(pbuf
);
1116 /* Don't Fclose() the Ftmp() thing due to OF_REGISTER_UNLINK++ */
1117 goto jpipe_for_real
;
1121 safe_signal(SIGPIPE
, __sendp_opipe
);
1123 if (outrest
.s
!= NULL
)
1125 if (inrest
.s
!= NULL
)
1128 if (pbuf
!= origobuf
) {
1129 qf
->qf_pfix_len
= save_qf_pfix_len
;
1138 safe_signal(SIGPIPE
, SIG_IGN
);
1139 Pclose(pbuf
, !(mh
.mh_flags
& MIME_HDL_ASYNC
));
1140 safe_signal(SIGPIPE
, oldpipe
);
1141 if (rv
>= 0 && qbuf
!= NULL
&& qbuf
!= obuf
)
1142 pipecpy(qbuf
, obuf
, origobuf
, qf
, stats
);
1145 if (iconvd
!= (iconv_t
)-1)
1146 n_iconv_close(iconvd
);
1154 newfile(struct mimepart
*ip
, bool_t
volatile *ispipe
)
1164 if (f
!= NULL
&& f
!= (char*)-1) {
1167 makeprint(&in
, &out
);
1168 out
.l
= delctrl(out
.s
, out
.l
);
1169 f
= savestrbuf(out
.s
, out
.l
);
1173 /* In interactive mode, let user perform all kind of expansions as desired,
1174 * and offer |SHELL-SPEC pipe targets, too */
1175 if (options
& OPT_INTERACTIVE
) {
1177 struct n_string shou
, *shoup
;
1180 shoup
= n_string_creat_auto(&shou
);
1182 /* TODO Generic function which asks for filename.
1183 * TODO If the current part is the first textpart the target
1184 * TODO is implicit from outer `write' etc! */
1185 /* I18N: Filename input prompt with file type indication */
1186 str_concat_csvl(&prompt
, _("Enter filename for part "),
1187 (ip
->m_partstring
!= NULL
) ? ip
->m_partstring
: _("?"),
1188 _(" ("), ip
->m_ct_type_plain
, _("): "), NULL
);
1190 f2
= n_lex_input_cp(n_LEXINPUT_CTX_DEFAULT
| n_LEXINPUT_HIST_ADD
,
1191 prompt
.s
, ((f
!= (char*)-1 && f
!= NULL
)
1192 ? n_shexp_quote_cp(f
, FAL0
) : NULL
));
1194 in
.s
= n_UNCONST(f2
);
1196 if((n_shexp_parse_token(shoup
, &in
, n_SHEXP_PARSE_TRUNC
|
1197 n_SHEXP_PARSE_TRIMSPACE
| n_SHEXP_PARSE_LOG
|
1198 n_SHEXP_PARSE_IGNORE_EMPTY
) &
1199 (n_SHEXP_STATE_STOP
| n_SHEXP_STATE_OUTPUT
|
1200 n_SHEXP_STATE_ERR_MASK
)
1201 ) != (n_SHEXP_STATE_STOP
| n_SHEXP_STATE_OUTPUT
))
1203 f2
= n_string_cp(shoup
);
1205 if (f2
== NULL
|| *f2
== '\0') {
1206 if (options
& OPT_D_V
)
1207 n_err(_("... skipping this\n"));
1208 n_string_gut(shoup
);
1214 /* Pipes are expanded by the shell */
1216 else if ((f3
= fexpand(f2
, FEXP_LOCAL
| FEXP_NVAR
)) == NULL
)
1217 /* (Error message written by fexpand()) */
1222 n_string_gut(shoup
);
1225 if (f
== NULL
|| f
== (char*)-1 || *f
== '\0')
1227 else if (options
& OPT_INTERACTIVE
) {
1229 fp
= Popen(&f
[1], "w", ok_vlook(SHELL
), NULL
, 1);
1230 if (!(*ispipe
= (fp
!= NULL
)))
1232 } else if ((fp
= Fopen(f
, "w")) == NULL
)
1233 n_err(_("Cannot open %s\n"), n_shexp_quote_cp(f
, FAL0
));
1235 /* Be very picky in non-interactive mode: actively disallow pipes,
1236 * prevent directory separators, and any filename member that would
1237 * become expanded by the shell if the name would be echo(1)ed */
1238 if(anyof(f
, "/" n_SHEXP_MAGIC_PATH_CHARS
)){
1241 for(out
.s
= salloc((strlen(f
) * 3) +1), out
.l
= 0; (c
= *f
++) != '\0';)
1242 if(strchr("/" n_SHEXP_MAGIC_PATH_CHARS
, c
)){
1243 out
.s
[out
.l
++] = '%';
1244 n_c_to_hex_base16(&out
.s
[out
.l
], c
);
1248 out
.s
[out
.l
] = '\0';
1252 /* Avoid overwriting of existing files */
1253 while((fp
= Fopen(f
, "wx")) == NULL
){
1256 if((e
= errno
) != EEXIST
){
1257 n_err(_("Cannot open %s: %s\n"),
1258 n_shexp_quote_cp(f
, FAL0
), strerror(e
));
1262 if(ip
->m_partstring
!= NULL
)
1263 f
= savecatsep(f
, '#', ip
->m_partstring
);
1265 f
= savecat(f
, "#.");
1274 pipecpy(FILE *pipebuf
, FILE *outbuf
, FILE *origobuf
, struct quoteflt
*qf
,
1277 char *line
= NULL
; /* TODO line pool */
1278 size_t linesize
= 0, linelen
, cnt
;
1284 cnt
= (size_t)fsize(pipebuf
);
1287 quoteflt_reset(qf
, outbuf
);
1288 while (fgetline(&line
, &linesize
, &cnt
, &linelen
, pipebuf
, 0) != NULL
) {
1289 if ((sz
= quoteflt_push(qf
, line
, linelen
)) < 0)
1293 if ((sz
= quoteflt_flush(qf
)) > 0)
1298 if (all_sz
> 0 && outbuf
== origobuf
&& stats
!= NULL
)
1305 statusput(const struct message
*mp
, FILE *obuf
, struct quoteflt
*qf
,
1308 char statout
[3], *cp
= statout
;
1311 if (mp
->m_flag
& MREAD
)
1313 if (!(mp
->m_flag
& MNEW
))
1317 int i
= fprintf(obuf
, "%.*sStatus: %s\n", (int)qf
->qf_pfix_len
,
1318 (qf
->qf_pfix_len
> 0 ? qf
->qf_pfix
: 0), statout
);
1319 if (i
> 0 && stats
!= NULL
)
1326 xstatusput(const struct message
*mp
, FILE *obuf
, struct quoteflt
*qf
,
1330 char *xp
= xstatout
;
1333 if (mp
->m_flag
& MFLAGGED
)
1335 if (mp
->m_flag
& MANSWERED
)
1337 if (mp
->m_flag
& MDRAFTED
)
1341 int i
= fprintf(obuf
, "%.*sX-Status: %s\n", (int)qf
->qf_pfix_len
,
1342 (qf
->qf_pfix_len
> 0 ? qf
->qf_pfix
: 0), xstatout
);
1343 if (i
> 0 && stats
!= NULL
)
1350 put_from_(FILE *fp
, struct mimepart
*ip
, ui64_t
*stats
)
1352 char const *froma
, *date
, *nl
;
1356 if (ip
!= NULL
&& ip
->m_from
!= NULL
) {
1358 date
= fakedate(ip
->m_time
);
1362 date
= time_current
.tc_ctime
;
1366 n_COLOUR( n_colour_put(fp
, n_COLOUR_ID_VIEW_FROM_
, NULL
); )
1367 i
= fprintf(fp
, "From %s %s%s", froma
, date
, nl
);
1368 n_COLOUR( n_colour_reset(fp
); )
1369 if (i
> 0 && stats
!= NULL
)
1375 sendmp(struct message
*mp
, FILE *obuf
, struct n_ignore
const *doitp
,
1376 char const *prefix
, enum sendaction action
, ui64_t
*stats
)
1381 enum mime_parse_flags mpf
;
1382 struct mimepart
*ip
;
1386 time_current_update(&time_current
, TRU1
);
1388 if (mp
== dot
&& action
!= SEND_TOSRCH
)
1389 pstate
|= PS_DID_PRINT_DOT
;
1392 quoteflt_init(&qf
, prefix
);
1394 /* First line is the From_ line, so no headers there to worry about */
1395 if ((ibuf
= setinput(&mb
, mp
, NEED_BODY
)) == NULL
)
1402 char const *cpre
= n_empty
, *csuf
= n_empty
;
1404 struct n_colour_pen
*cpen
= n_colour_pen_create(n_COLOUR_ID_VIEW_FROM_
,NULL
);
1405 struct str
const *sp
= n_colour_pen_to_str(cpen
);
1409 sp
= n_colour_reset_to_str();
1415 nozap
= (doitp
!= n_IGNORE_ALL
&& doitp
!= n_IGNORE_FWD
&&
1416 action
!= SEND_RFC822
&&
1417 !n_ignore_is_ign(doitp
, "from_", sizeof("from_") -1));
1418 if (mp
->m_flag
& MNOFROM
) {
1420 sz
= fprintf(obuf
, "%s%.*sFrom %s %s%s\n",
1421 cpre
, (int)qf
.qf_pfix_len
,
1422 (qf
.qf_pfix_len
!= 0 ? qf
.qf_pfix
: n_empty
), fakefrom(mp
),
1423 fakedate(mp
->m_time
), csuf
);
1425 if (qf
.qf_pfix_len
> 0) {
1426 i
= fwrite(qf
.qf_pfix
, sizeof *qf
.qf_pfix
, qf
.qf_pfix_len
, obuf
);
1427 if (i
!= qf
.qf_pfix_len
)
1434 cpre
= (char const*)0x1;
1438 while (cnt
> 0 && (c
= getc(ibuf
)) != EOF
) {
1440 if (c
== '\n' && csuf
!= NULL
) {
1441 cpre
= (char const*)0x1;
1453 if (csuf
!= NULL
&& cpre
!= (char const*)0x1)
1457 while (cnt
> 0 && (c
= getc(ibuf
)) != EOF
) {
1464 if (sz
> 0 && stats
!= NULL
)
1467 mpf
= MIME_PARSE_NONE
;
1468 if (action
!= SEND_MBOX
&& action
!= SEND_RFC822
&& action
!= SEND_SHOW
)
1469 mpf
|= MIME_PARSE_DECRYPT
| MIME_PARSE_PARTS
;
1470 if ((ip
= mime_parse_msg(mp
, mpf
)) == NULL
)
1473 rv
= sendpart(mp
, ip
, obuf
, doitp
, &qf
, action
, stats
, 0);
1475 quoteflt_destroy(&qf
);