1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Collect input from standard input, handling ~ escapes.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2015 Steffen (Daode) Nurpmeso <sdaoden@users.sf.net>.
8 * Copyright (c) 1980, 1993
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #define n_FILE collect
38 #ifndef HAVE_AMALGAMATION
42 /* The following hookiness with global variables is so that on receipt of an
43 * interrupt signal, the partial message can be salted away on *DEAD* */
45 static sighandler_type _coll_saveint
; /* Previous SIGINT value */
46 static sighandler_type _coll_savehup
; /* Previous SIGHUP value */
47 static sighandler_type _coll_savetstp
; /* Previous SIGTSTP value */
48 static sighandler_type _coll_savettou
; /* Previous SIGTTOU value */
49 static sighandler_type _coll_savettin
; /* Previous SIGTTIN value */
50 static FILE *_coll_fp
; /* File for saving away */
51 static int volatile _coll_hadintr
; /* Have seen one SIGINT so far */
52 static sigjmp_buf _coll_jmp
; /* To get back to work */
53 static int _coll_jmp_p
; /* whether to long jump */
54 static sigjmp_buf _coll_abort
; /* To end collection with error */
55 static sigjmp_buf _coll_pipejmp
; /* On broken pipe */
57 /* Handle `~:', `~_' */
58 static void _execute_command(struct header
*hp
, char *linebuf
,
61 /* If *interactive* is set and *doecho* is, too, also dump to *stdout* */
62 static int _include_file(char const *name
, int *linecount
,
63 int *charcount
, bool_t doecho
, bool_t indent
);
65 static void _collect_onpipe(int signo
);
67 /* Execute cmd and insert its standard output into fp */
68 static void insertcommand(FILE *fp
, char const *cmd
);
71 static void print_collf(FILE *collf
, struct header
*hp
);
73 /* Write a file, ex-like if f set */
74 static int exwrite(char const *name
, FILE *fp
, int f
);
76 static enum okay
makeheader(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
);
78 /* Edit the message being collected on fp. On return, make the edit file the
80 static void mesedit(int c
, struct header
*hp
);
82 /* Pipe the message through the command. Old message is on stdin of command,
83 * new message collected from stdout. Shell must return 0 to accept new msg */
84 static void mespipe(char *cmd
);
86 /* Interpolate the named messages into the current message, possibly doing
87 * indent stuff. The flag argument is one of the tilde escapes: [mMfFuU].
88 * Return a count of the number of characters now in the message, or -1 if an
89 * error is encountered writing the message temporary */
90 static int forward(char *ms
, FILE *fp
, int f
);
92 /* Print (continue) when continued after ^Z */
93 static void collstop(int s
);
95 /* On interrupt, come here to save the partial message in ~/dead.letter.
96 * Then jump out of the collection loop */
97 static void _collint(int s
);
99 static void collhup(int s
);
101 static int putesc(char const *s
, FILE *stream
);
104 _execute_command(struct header
*hp
, char *linebuf
, size_t linesize
)
106 /* The problem arises if there are rfc822 message attachments and the
107 * user uses `~:' to change the current file. TODO Unfortunately we
108 * TODO cannot simply keep a pointer to, or increment a reference count
109 * TODO of the current `file' (mailbox that is) object, because the
110 * TODO codebase doesn't deal with that at all; so, until some far
111 * TODO later time, copy the name of the path, and warn the user if it
112 * TODO changed; we COULD use the AC_TMPFILE attachment type, i.e.,
113 * TODO copy the message attachments over to temporary files, but that
114 * TODO would require more changes so that the user still can recognize
115 * TODO in `~@' etc. that its a rfc822 message attachment; see below */
117 size_t mnlen
= 0 /* silence CC */;
118 struct attachment
*ap
;
121 /* If the above todo is worked, remove or outsource to attachments.c! */
122 if ((ap
= hp
->h_attach
) != NULL
) do
124 mnlen
= strlen(mailname
) +1;
125 mnbuf
= ac_alloc(mnlen
);
126 memcpy(mnbuf
, mailname
, mnlen
);
129 while ((ap
= ap
->a_flink
) != NULL
);
131 pstate
&= ~PS_HOOK_MASK
;
132 execute(linebuf
, linesize
);
135 if (strncmp(mnbuf
, mailname
, mnlen
))
136 n_err(_("Mailbox changed: it is likely that existing "
137 "rfc822 attachments became invalid!\n"));
144 _include_file(char const *name
, int *linecount
, int *charcount
,
145 bool_t doecho
, bool_t indent
)
150 char *linebuf
= NULL
; /* TODO line pool */
151 size_t linesize
= 0, indl
, linelen
, cnt
;
154 if ((fbuf
= Fopen(name
, "r")) == NULL
) {
160 indb
= NULL
, indl
= 0;
162 if ((indb
= ok_vlook(indentprefix
)) == NULL
)
163 indb
= INDENT_DEFAULT
;
167 *linecount
= *charcount
= 0;
169 while (fgetline(&linebuf
, &linesize
, &cnt
, &linelen
, fbuf
, 0) != NULL
) {
170 if (indl
> 0 && fwrite(indb
, sizeof *indb
, indl
, _coll_fp
) != indl
)
172 if (fwrite(linebuf
, sizeof *linebuf
, linelen
, _coll_fp
) != linelen
)
175 (*charcount
) += linelen
+ indl
;
176 if ((options
& OPT_INTERACTIVE
) && doecho
) {
178 fwrite(indb
, sizeof *indb
, indl
, stdout
);
179 fwrite(linebuf
, sizeof *linebuf
, linelen
, stdout
);
182 if (fflush(_coll_fp
))
184 if ((options
& OPT_INTERACTIVE
) && doecho
)
198 _collect_onpipe(int signo
)
200 NYD_X
; /* Signal handler */
202 siglongjmp(_coll_pipejmp
, 1);
206 insertcommand(FILE *fp
, char const *cmd
)
213 cp
= ok_vlook(SHELL
);
217 if ((ibuf
= Popen(cmd
, "r", cp
, NULL
, 0)) != NULL
) {
218 while ((c
= getc(ibuf
)) != EOF
) /* XXX bytewise, yuck! */
227 print_collf(FILE *cf
, struct header
*hp
)
229 char *lbuf
= NULL
; /* TODO line pool */
230 sighandler_type sigint
;
231 FILE *volatile obuf
= stdout
;
232 struct attachment
*ap
;
235 size_t linesize
= 0, linelen
, cnt
, cnt2
;
239 cnt
= cnt2
= fsize(cf
);
241 sigint
= safe_signal(SIGINT
, SIG_IGN
);
243 if (IS_TTY_SESSION() && (cp
= ok_vlook(crt
)) != NULL
) {
247 if (hp
->h_to
!= NULL
)
249 if (hp
->h_subject
!= NULL
)
251 if (hp
->h_cc
!= NULL
)
253 if (hp
->h_bcc
!= NULL
)
255 if (hp
->h_attach
!= NULL
)
257 m
+= (hp
->h_from
!= NULL
|| myaddrs(hp
) != NULL
);
258 m
+= (hp
->h_sender
!= NULL
|| ok_vlook(sender
) != NULL
);
259 m
+= (hp
->h_replyto
!= NULL
|| ok_vlook(replyto
) != NULL
);
260 m
+= (hp
->h_organization
!= NULL
|| ok_vlook(ORGANIZATION
) != NULL
);
262 l
= (*cp
== '\0') ? screensize() : atoi(cp
);
267 for (m
= 0; fgetline(&lbuf
, &linesize
, &cnt2
, NULL
, cf
, 0); ++m
)
272 cp
= get_pager(NULL
);
273 if (sigsetjmp(_coll_pipejmp
, 1))
275 obuf
= Popen(cp
, "w", NULL
, NULL
, 1);
280 safe_signal(SIGPIPE
, &_collect_onpipe
);
284 fprintf(obuf
, _("-------\nMessage contains:\n"));
285 gf
= GIDENT
| GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GFILES
| GCOMMA
;
286 puthead(hp
, obuf
, gf
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
287 while (fgetline(&lbuf
, &linesize
, &cnt
, &linelen
, cf
, 1))
288 prout(lbuf
, linelen
, obuf
);
289 if (hp
->h_attach
!= NULL
) {
290 fputs(_("-------\nAttachments:\n"), obuf
);
291 for (ap
= hp
->h_attach
; ap
!= NULL
; ap
= ap
->a_flink
) {
293 fprintf(obuf
, " - message %u\n", ap
->a_msgno
);
295 /* TODO after MIME/send layer rewrite we *know*
296 * TODO the details of the attachment here,
297 * TODO so adjust this again, then */
298 char const *cs
, *csi
= "-> ";
300 if ((cs
= ap
->a_charset
) == NULL
&&
301 (csi
= "<- ", cs
= ap
->a_input_charset
) == NULL
)
302 cs
= charset_get_lc();
303 if ((cp
= ap
->a_content_type
) == NULL
)
305 else if (ascncasecmp(cp
, "text/", 5))
307 fprintf(obuf
, " - [%s, %s%s] %s\n", cp
, csi
, cs
, ap
->a_name
);
313 if (obuf
!= stdout
) {
314 safe_signal(SIGPIPE
, SIG_IGN
);
316 safe_signal(SIGPIPE
, dflpipe
);
320 safe_signal(SIGINT
, sigint
);
325 exwrite(char const *name
, FILE *fp
, int f
)
333 printf("\"%s\" ", name
);
336 if ((of
= Fopen(name
, "a")) == NULL
) {
343 while ((c
= getc(fp
)) != EOF
) {
355 printf(_("%d/%ld\n"), lc
, cc
);
364 makeheader(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
)
371 if ((nf
= Ftmp(NULL
, "colhead", OF_RDWR
| OF_UNLINK
| OF_REGISTER
, 0600)) ==
373 n_perr(_("temporary mail edit file"), 0);
377 extract_header(fp
, hp
, checkaddr_err
);
379 while ((c
= getc(fp
)) != EOF
) /* XXX bytewise, yuck! */
385 if (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
)
394 mesedit(int c
, struct header
*hp
)
397 sighandler_type sigint
;
401 saved
= ok_blook(add_file_recipients
);
402 ok_bset(add_file_recipients
, TRU1
);
404 sigint
= safe_signal(SIGINT
, SIG_IGN
);
405 nf
= run_editor(_coll_fp
, (off_t
)-1, c
, 0, hp
, NULL
, SEND_MBOX
, sigint
);
409 makeheader(nf
, hp
, NULL
);
411 fseek(nf
, 0L, SEEK_END
);
416 safe_signal(SIGINT
, sigint
);
418 ok_bset(add_file_recipients
, saved
);
426 sighandler_type sigint
;
430 sigint
= safe_signal(SIGINT
, SIG_IGN
);
432 if ((nf
= Ftmp(NULL
, "colpipe", OF_RDWR
| OF_UNLINK
| OF_REGISTER
, 0600)) ==
434 n_perr(_("temporary mail edit file"), 0);
438 /* stdin = current message. stdout = new message */
439 if ((sh
= ok_vlook(SHELL
)) == NULL
)
442 if (run_command(sh
, 0, fileno(_coll_fp
), fileno(nf
), "-c", cmd
, NULL
) < 0) {
447 if (fsize(nf
) == 0) {
448 n_err(_("No bytes from \"%s\" !?\n"), cmd
);
454 fseek(nf
, 0L, SEEK_END
);
458 safe_signal(SIGINT
, sigint
);
463 forward(char *ms
, FILE *fp
, int f
)
466 struct ignoretab
*ig
;
468 enum sendaction action
;
471 msgvec
= salloc((size_t)(msgCount
+ 1) * sizeof *msgvec
);
472 if (getmsglist(ms
, msgvec
, 0) < 0)
475 *msgvec
= first(0, MMNORM
);
477 n_err(_("No appropriate messages\n"));
483 if (f
== 'f' || f
== 'F' || f
== 'u')
485 else if ((tabst
= ok_vlook(indentprefix
)) == NULL
)
486 tabst
= INDENT_DEFAULT
;
487 if (f
== 'u' || f
== 'U')
490 ig
= upperchar(f
) ? NULL
: ignore
;
491 action
= (upperchar(f
) && f
!= 'U') ? SEND_QUOTE_ALL
: SEND_QUOTE
;
493 printf(_("Interpolating:"));
494 for (; *msgvec
!= 0; ++msgvec
) {
495 struct message
*mp
= message
+ *msgvec
- 1;
498 printf(" %d", *msgvec
);
500 if (sendmp(mp
, fp
, ig
, tabst
, action
, NULL
) < 0) {
501 n_perr(_("temporary mail file"), 0);
515 sighandler_type old_action
;
517 NYD_X
; /* Signal handler */
519 old_action
= safe_signal(s
, SIG_DFL
);
523 sigprocmask(SIG_UNBLOCK
, &nset
, NULL
);
525 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
527 safe_signal(s
, old_action
);
531 siglongjmp(_coll_jmp
, 1);
538 NYD_X
; /* Signal handler */
540 /* the control flow is subtle, because we can be called from ~q */
541 if (_coll_hadintr
== 0) {
542 if (ok_blook(ignore
)) {
548 siglongjmp(_coll_jmp
, 1);
550 exit_status
|= EXIT_SEND_ERROR
;
552 savedeadletter(_coll_fp
, 1);
553 /* Aborting message, no need to fflush() .. */
554 siglongjmp(_coll_abort
, 1);
560 NYD_X
; /* Signal handler */
563 savedeadletter(_coll_fp
, 1);
564 /* Let's pretend nobody else wants to clean up, a true statement at
570 putesc(char const *s
, FILE *stream
)
575 while (s
[0] != '\0') {
578 if (putc('\t', stream
) == EOF
)
585 if (putc('\n', stream
) == EOF
)
592 if (putc(s
[0], stream
) == EOF
)
597 if (putc('\n', stream
) == EOF
)
606 collect(struct header
*hp
, int printheaders
, struct message
*mp
,
607 char *quotefile
, int doprefix
, si8_t
*checkaddr_err
)
609 struct ignoretab
*quoteig
;
611 int volatile escape
, getfields
;
612 char *linebuf
= NULL
, *quote
= NULL
;
614 size_t linesize
= 0; /* TODO line pool */
616 enum sendaction action
;
618 sighandler_type savedtop
;
622 /* Start catching signals from here, but we're still die on interrupts
623 * until we're in the main loop */
625 sigaddset(&nset
, SIGINT
);
626 sigaddset(&nset
, SIGHUP
);
627 sigprocmask(SIG_BLOCK
, &nset
, &oset
);
628 handlerpush(&_collint
);
629 if ((_coll_saveint
= safe_signal(SIGINT
, SIG_IGN
)) != SIG_IGN
)
630 safe_signal(SIGINT
, &_collint
);
631 if ((_coll_savehup
= safe_signal(SIGHUP
, SIG_IGN
)) != SIG_IGN
)
632 safe_signal(SIGHUP
, collhup
);
633 /* TODO We do a lot of redundant signal handling, especially
634 * TODO with the command line editor(s); try to merge this */
635 _coll_savetstp
= safe_signal(SIGTSTP
, collstop
);
636 _coll_savettou
= safe_signal(SIGTTOU
, collstop
);
637 _coll_savettin
= safe_signal(SIGTTIN
, collstop
);
638 if (sigsetjmp(_coll_abort
, 1))
640 if (sigsetjmp(_coll_jmp
, 1))
642 sigprocmask(SIG_SETMASK
, &oset
, (sigset_t
*)NULL
);
645 if ((_coll_fp
= Ftmp(NULL
, "collect", OF_RDWR
| OF_UNLINK
| OF_REGISTER
,
647 n_perr(_("temporary mail file"), 0);
651 if ((cp
= ok_vlook(NAIL_HEAD
)) != NULL
&& putesc(cp
, _coll_fp
) < 0)
654 /* If we are going to prompt for a subject, refrain from printing a newline
655 * after the headers (since some people mind) */
657 if (!(options
& OPT_t_FLAG
)) {
658 t
= GTO
| GSUBJECT
| GCC
| GNL
;
659 if (ok_blook(fullnames
))
662 if (options
& OPT_INTERACTIVE
) {
663 if (hp
->h_subject
== NULL
&& (ok_blook(ask
) || ok_blook(asksub
)))
664 t
&= ~GNL
, getfields
|= GSUBJECT
;
666 if (hp
->h_to
== NULL
)
667 t
&= ~GNL
, getfields
|= GTO
;
669 if (!ok_blook(bsdcompat
) && !ok_blook(askatend
)) {
670 if (hp
->h_bcc
== NULL
&& ok_blook(askbcc
))
671 t
&= ~GNL
, getfields
|= GBCC
;
672 if (hp
->h_cc
== NULL
&& ok_blook(askcc
))
673 t
&= ~GNL
, getfields
|= GCC
;
677 if (printheaders
&& !ok_blook(editalong
)) {
678 puthead(hp
, stdout
, t
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
683 /* Quote an original message */
684 if (mp
!= NULL
&& (doprefix
|| (quote
= ok_vlook(quote
)) != NULL
)) {
689 if ((cp
= ok_vlook(fwdheading
)) == NULL
)
690 cp
= "-------- Original Message --------";
691 if (*cp
!= '\0' && fprintf(_coll_fp
, "%s\n", cp
) < 0)
693 } else if (!strcmp(quote
, "noheading")) {
695 } else if (!strcmp(quote
, "headers")) {
697 } else if (!strcmp(quote
, "allheaders")) {
699 action
= SEND_QUOTE_ALL
;
701 cp
= hfield1("from", mp
);
702 if (cp
!= NULL
&& (cnt
= (long)strlen(cp
)) > 0) {
703 if (xmime_write(cp
, cnt
, _coll_fp
, CONV_FROMHDR
, TD_NONE
) < 0)
705 if (fprintf(_coll_fp
, _(" wrote:\n\n")) < 0)
709 if (fflush(_coll_fp
))
713 else if ((cp
= ok_vlook(indentprefix
)) == NULL
)
715 if (sendmp(mp
, _coll_fp
, quoteig
, cp
, action
, NULL
) < 0)
719 /* Print what we have sofar also on the terminal (if useful) */
720 if ((options
& OPT_INTERACTIVE
) && !ok_blook(editalong
)) {
722 while ((c
= getc(_coll_fp
)) != EOF
) /* XXX bytewise, yuck! */
724 if (fseek(_coll_fp
, 0, SEEK_END
))
726 /* Ensure this is clean xxx not really necessary? */
730 escape
= ((cp
= ok_vlook(escape
)) != NULL
) ? *cp
: ESCAPE
;
733 if (!sigsetjmp(_coll_jmp
, 1)) {
735 grab_headers(hp
, getfields
, 1);
736 if (quotefile
!= NULL
) {
737 if (_include_file(quotefile
, &lc
, &cc
, TRU1
, FAL0
) != 0)
740 if ((options
& OPT_INTERACTIVE
) && ok_blook(editalong
)) {
746 /* Come here for printing the after-signal message. Duplicate messages
747 * won't be printed because the write is aborted if we get a SIGTTOU */
749 n_err(_("\n(Interrupt -- one more to kill letter)\n"));
752 printf(_("(continue)\n"));
757 /* No tilde escapes, interrupts not expected. Simply copy STDIN */
758 if (!(options
& (OPT_INTERACTIVE
| OPT_t_FLAG
| OPT_TILDE_FLAG
))) {
759 linebuf
= srealloc(linebuf
, linesize
= LINESIZE
);
760 while ((cnt
= fread(linebuf
, sizeof *linebuf
, linesize
, stdin
)) > 0) {
761 if ((size_t)cnt
!= fwrite(linebuf
, sizeof *linebuf
, cnt
, _coll_fp
))
764 if (fflush(_coll_fp
))
769 /* The interactive collect loop.
770 * All commands which come here are forbidden when sourcing! */
771 assert(_coll_hadintr
|| !(pstate
& PS_SOURCING
));
774 cnt
= readline_input("", FAL0
, &linebuf
, &linesize
, NULL
);
778 assert(!(pstate
& PS_SOURCING
));
779 if (options
& OPT_t_FLAG
) {
780 fflush_rewind(_coll_fp
);
781 /* It is important to set PS_t_FLAG before extract_header() *and*
782 * keep OPT_t_FLAG for the first parse of the message, too! */
784 if (makeheader(_coll_fp
, hp
, checkaddr_err
) != OKAY
)
787 options
&= ~OPT_t_FLAG
;
789 } else if ((options
& OPT_INTERACTIVE
) && ok_blook(ignoreeof
)) {
790 printf(_("*ignoreeof* set, use \".\" to terminate letter\n"));
798 if (cnt
== 0 || !(options
& (OPT_INTERACTIVE
| OPT_TILDE_FLAG
))) {
800 /* TODO calls putline(), which *always* appends LF;
801 * TODO thus, STDIN with -t will ALWAYS end with LF,
802 * TODO even if no trailing LF and QP encoding.
803 * TODO when finally changed, update cc-test.sh */
804 if (putline(_coll_fp
, linebuf
, cnt
) < 0)
807 } else if (linebuf
[0] == '.') {
808 if (linebuf
[1] == '\0' && (ok_blook(dot
) || ok_blook(ignoreeof
)))
811 if (linebuf
[0] != escape
)
814 tty_addhist(linebuf
, TRU1
);
819 /* On double escape, send a single one. Otherwise, it's an error */
821 if (putline(_coll_fp
, linebuf
+ 1, cnt
- 1) < 0)
826 n_err(_("Unknown tilde escape: ~%c\n"), asciichar(c
) ? c
: '?');
829 /* Shell escape, send the balance of line to sh -c */
830 c_shell(linebuf
+ 2);
835 /* Escape to command mode, but be nice! */
836 _execute_command(hp
, linebuf
+ 2, cnt
- 2);
839 /* Simulate end of file on input */
842 /* Same as 'q', but no *DEAD* saving */
845 /* Force a quit, act like an interrupt had happened */
847 _collint((c
== 'x') ? 0 : SIGINT
);
851 /* Grab a bunch of headers */
853 grab_headers(hp
, GTO
| GSUBJECT
| GCC
| GBCC
,
854 (ok_blook(bsdcompat
) && ok_blook(bsdorder
)));
855 while (hp
->h_to
== NULL
);
858 /* Grab extra headers */
860 grab_headers(hp
, GEXTRA
, 0);
861 while (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
);
864 /* Add to the To list */
865 hp
->h_to
= cat(hp
->h_to
,
866 checkaddrs(lextract(linebuf
+ 2, GTO
| GFULL
), EACM_NORMAL
,
870 /* Set the Subject list */
872 while (whitechar(*cp
))
874 hp
->h_subject
= savestr(cp
);
882 /* Edit the attachment list */
883 if (linebuf
[2] != '\0')
884 append_attachments(&hp
->h_attach
, linebuf
+ 2);
886 edit_attachments(&hp
->h_attach
);
889 /* Add to the CC list */
890 hp
->h_cc
= cat(hp
->h_cc
,
891 checkaddrs(lextract(linebuf
+ 2, GCC
| GFULL
), EACM_NORMAL
,
895 /* Add stuff to blind carbon copies list */
896 hp
->h_bcc
= cat(hp
->h_bcc
,
897 checkaddrs(lextract(linebuf
+ 2, GBCC
| GFULL
), EACM_NORMAL
,
901 strncpy(linebuf
+ 2, getdeadletter(), linesize
- 2);
902 linebuf
[linesize
- 1] = '\0';
907 /* Invoke a file: Search for the file name, then open it and copy the
908 * contents to _coll_fp */
910 while (whitechar(*cp
))
913 n_err(_("Interpolate what file?\n"));
917 insertcommand(_coll_fp
, cp
+ 1);
920 if ((cp
= file_expand(cp
)) == NULL
)
923 n_err(_("\"%s\": Directory\n"), cp
);
926 printf(_("\"%s\" "), cp
);
928 if (_include_file(cp
, &lc
, &cc
, FAL0
, (c
== 'R')) != 0)
930 printf(_("%d/%d\n"), lc
, cc
);
933 /* Insert a variable into the file */
935 while (whitechar(*cp
))
937 if ((cp
= vok_vlook(cp
)) == NULL
|| *cp
== '\0')
939 if (putesc(cp
, _coll_fp
) < 0)
941 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
946 /* Insert the contents of a signature variable */
947 cp
= (c
== 'a') ? ok_vlook(sign
) : ok_vlook(Sign
);
948 if (cp
!= NULL
&& *cp
!= '\0') {
949 if (putesc(cp
, _coll_fp
) < 0)
951 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
956 /* Write the message on a file */
958 while (blankchar(*cp
))
960 if (*cp
== '\0' || (cp
= file_expand(cp
)) == NULL
) {
961 n_err(_("Write what file!?\n"));
965 if (exwrite(cp
, _coll_fp
, 1) < 0)
974 /* Interpolate the named messages, if we are in receiving mail mode.
975 * Does the standard list processing garbage. If ~f is given, we
976 * don't shift over */
977 if (forward(linebuf
+ 2, _coll_fp
, c
) < 0)
981 /* Print current state of the message without altering anything */
982 print_collf(_coll_fp
, hp
);
985 /* Pipe message through command. Collect output as new message */
987 mespipe(linebuf
+ 2);
991 /* Edit the current message. 'e' -> use EDITOR, 'v' -> use VISUAL */
993 mesedit(c
, ok_blook(editheaders
) ? hp
: NULL
);
996 /* Last the lengthy help string. (Very ugly, but take care for
997 * compiler supported string lengths :() */
999 "-------------------- ~ ESCAPES ----------------------------\n"
1000 "~~ Quote a single tilde\n"
1001 "~@ [file ...] Edit attachment list\n"
1002 "~b users Add users to \"blind\" Bcc: list\n"
1003 "~c users Add users to Cc: list\n"
1004 "~d Read in dead.letter\n"
1005 "~e Edit the message buffer\n"
1006 "~F messages Read in messages including all headers, don't indent lines\n"
1007 "~f messages Like ~F, but honour the `ignore' / `retain' configuration\n"
1008 "~h Prompt for Subject:, To:, Cc: and \"blind\" Bcc:\n"));
1010 "~R file Read in a file, indent lines\n"
1011 "~r file Read in a file\n"
1012 "~p Print the message buffer\n"
1013 "~q Abort message composition and save text to DEAD\n"
1014 "~M messages Read in messages, keep all header lines, indent lines\n"
1015 "~m messages Like ~M, but honour the `ignore' / `retain' configuration\n"
1016 "~s subject Set Subject:\n"
1017 "~t users Add users to To: list\n"));
1019 "~U messages Read in message(s) without any headers, indent lines\n"
1020 "~u messages Read in message(s) without any headers\n"
1021 "~v Invoke alternate editor ($VISUAL) on message\n"
1022 "~w file Write message onto file\n"
1023 "~x Abort message composition and discard message\n"
1024 "~!command Invoke the shell\n"
1025 "~:command Execute a regular command\n"
1026 "-----------------------------------------------------------\n"));
1032 if (_coll_fp
!= NULL
) {
1033 if ((cp
= ok_vlook(NAIL_TAIL
)) != NULL
) {
1034 if (putesc(cp
, _coll_fp
) < 0)
1036 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
1041 if (linebuf
!= NULL
)
1046 sigaddset(&nset
, SIGINT
);
1047 sigaddset(&nset
, SIGHUP
);
1048 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
1049 safe_signal(SIGINT
, _coll_saveint
);
1050 safe_signal(SIGHUP
, _coll_savehup
);
1051 safe_signal(SIGTSTP
, _coll_savetstp
);
1052 safe_signal(SIGTTOU
, _coll_savettou
);
1053 safe_signal(SIGTTIN
, _coll_savettin
);
1054 sigprocmask(SIG_SETMASK
, &oset
, NULL
);
1059 if (_coll_fp
!= NULL
) {
1067 savedeadletter(FILE *fp
, int fflush_rewind_first
)
1075 if ((options
& OPT_DEBUG
) || !ok_blook(save
))
1078 if (fflush_rewind_first
) {
1085 cp
= getdeadletter();
1087 dbuf
= Fopen(cp
, "a");
1094 printf("\"%s\" ", cp
);
1095 for (lines
= bytes
= 0; (c
= getc(fp
)) != EOF
; ++bytes
) {
1100 printf("%lu/%lu\n", lines
, bytes
);