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 FILE *_coll_fp
; /* File for saving away */
48 static int volatile _coll_hadintr
; /* Have seen one SIGINT so far */
49 static sigjmp_buf _coll_jmp
; /* To get back to work */
50 static sigjmp_buf _coll_abort
; /* To end collection with error */
51 static sigjmp_buf _coll_pipejmp
; /* On broken pipe */
53 /* Handle `~:', `~_' and some hooks; hp may be NULL */
54 static void _execute_command(struct header
*hp
, char const *linebuf
,
57 /* If *interactive* is set and *doecho* is, too, also dump to *stdout* */
58 static int _include_file(char const *name
, int *linecount
,
59 int *charcount
, bool_t doecho
, bool_t indent
);
61 static void _collect_onpipe(int signo
);
63 /* Execute cmd and insert its standard output into fp */
64 static void insertcommand(FILE *fp
, char const *cmd
);
67 static void print_collf(FILE *collf
, struct header
*hp
);
69 /* Write a file, ex-like if f set */
70 static int exwrite(char const *name
, FILE *fp
, int f
);
72 /* Parse off the message header from fp and store relevant fields in hp,
73 * replace _coll_fp with a shiny new version without any header */
74 static enum okay
makeheader(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
);
76 /* Edit the message being collected on fp. On return, make the edit file the
78 static void mesedit(int c
, struct header
*hp
);
80 /* Pipe the message through the command. Old message is on stdin of command,
81 * new message collected from stdout. Shell must return 0 to accept new msg */
82 static void mespipe(char *cmd
);
84 /* Interpolate the named messages into the current message, possibly doing
85 * indent stuff. The flag argument is one of the tilde escapes: [mMfFuU].
86 * Return a count of the number of characters now in the message, or -1 if an
87 * error is encountered writing the message temporary */
88 static int forward(char *ms
, FILE *fp
, int f
);
90 /* On interrupt, come here to save the partial message in ~/dead.letter.
91 * Then jump out of the collection loop */
92 static void _collint(int s
);
94 static void collhup(int s
);
96 static int putesc(char const *s
, FILE *stream
); /* TODO wysh set! */
98 /* call_compose_mode_hook() setter hook */
99 static void a_coll__hook_setter(void *arg
);
102 _execute_command(struct header
*hp
, char const *linebuf
, size_t linesize
){
103 /* The problem arises if there are rfc822 message attachments and the
104 * user uses `~:' to change the current file. TODO Unfortunately we
105 * TODO cannot simply keep a pointer to, or increment a reference count
106 * TODO of the current `file' (mailbox that is) object, because the
107 * TODO codebase doesn't deal with that at all; so, until some far
108 * TODO later time, copy the name of the path, and warn the user if it
109 * TODO changed; we COULD use the AC_TMPFILE attachment type, i.e.,
110 * TODO copy the message attachments over to temporary files, but that
111 * TODO would require more changes so that the user still can recognize
112 * TODO in `~@' etc. that its a rfc822 message attachment; see below */
114 struct attachment
*ap
;
121 n_SIGMAN_ENTER_SWITCH(&sm
, n_SIGMAN_ALL
){
128 /* If the above todo is worked, remove or outsource to attachments.c! */
129 if(hp
!= NULL
&& (ap
= hp
->h_attach
) != NULL
) do
131 mnbuf
= sstrdup(mailname
);
134 while((ap
= ap
->a_flink
) != NULL
);
136 n_source_command(linebuf
);
138 n_sigman_cleanup_ping(&sm
);
141 if(strcmp(mnbuf
, mailname
))
142 n_err(_("Mailbox changed: it is likely that existing "
143 "rfc822 attachments became invalid!\n"));
147 n_sigman_leave(&sm
, n_SIGMAN_VIPSIGS_NTTYOUT
);
151 _include_file(char const *name
, int *linecount
, int *charcount
,
152 bool_t doecho
, bool_t indent
)
157 char *linebuf
= NULL
; /* TODO line pool */
158 size_t linesize
= 0, indl
, linelen
, cnt
;
161 if (name
== (char*)-1)
163 else if ((fbuf
= Fopen(name
, "r")) == NULL
) {
169 indb
= NULL
, indl
= 0;
171 if ((indb
= ok_vlook(indentprefix
)) == NULL
)
172 indb
= INDENT_DEFAULT
;
176 *linecount
= *charcount
= 0;
178 while (fgetline(&linebuf
, &linesize
, &cnt
, &linelen
, fbuf
, 0) != NULL
) {
179 if (indl
> 0 && fwrite(indb
, sizeof *indb
, indl
, _coll_fp
) != indl
)
181 if (fwrite(linebuf
, sizeof *linebuf
, linelen
, _coll_fp
) != linelen
)
184 (*charcount
) += linelen
+ indl
;
185 if ((options
& OPT_INTERACTIVE
) && doecho
) {
187 fwrite(indb
, sizeof *indb
, indl
, stdout
);
188 fwrite(linebuf
, sizeof *linebuf
, linelen
, stdout
);
191 if (fflush(_coll_fp
))
193 if ((options
& OPT_INTERACTIVE
) && doecho
)
200 if (fbuf
!= NULL
&& fbuf
!= stdin
)
207 _collect_onpipe(int signo
)
209 NYD_X
; /* Signal handler */
211 siglongjmp(_coll_pipejmp
, 1);
215 insertcommand(FILE *fp
, char const *cmd
)
221 if ((ibuf
= Popen(cmd
, "r", ok_vlook(SHELL
), NULL
, 0)) != NULL
) {
222 while ((c
= getc(ibuf
)) != EOF
) /* XXX bytewise, yuck! */
231 print_collf(FILE *cf
, struct header
*hp
)
233 char *lbuf
= NULL
; /* TODO line pool */
234 sighandler_type sigint
;
235 FILE * volatile obuf
= stdout
;
236 struct attachment
*ap
;
239 size_t linesize
= 0, linelen
, cnt
, cnt2
;
243 cnt
= cnt2
= fsize(cf
);
245 sigint
= safe_signal(SIGINT
, SIG_IGN
);
247 if ((options
& OPT_INTERACTIVE
) && (cp
= ok_vlook(crt
)) != NULL
) {
251 if (hp
->h_to
!= NULL
)
253 if (hp
->h_subject
!= NULL
)
255 if (hp
->h_cc
!= NULL
)
257 if (hp
->h_bcc
!= NULL
)
259 if (hp
->h_attach
!= NULL
)
261 m
+= (hp
->h_from
!= NULL
|| myaddrs(hp
) != NULL
);
262 m
+= (hp
->h_sender
!= NULL
|| ok_vlook(sender
) != NULL
);
263 m
+= (hp
->h_replyto
!= NULL
|| ok_vlook(replyto
) != NULL
);
265 l
= (*cp
== '\0') ? (size_t)screensize() : strtoul(cp
, NULL
, 0);
270 for (m
= 0; fgetline(&lbuf
, &linesize
, &cnt2
, NULL
, cf
, 0); ++m
)
275 if (sigsetjmp(_coll_pipejmp
, 1))
277 if ((obuf
= n_pager_open()) == NULL
)
280 safe_signal(SIGPIPE
, &_collect_onpipe
);
284 fprintf(obuf
, _("-------\nMessage contains:\n"));
285 gf
= GIDENT
| GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GFILES
| GCOMMA
;
286 puthead(TRU1
, 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
,
308 n_shell_quote_cp(ap
->a_name
, FAL0
));
318 safe_signal(SIGINT
, sigint
);
323 exwrite(char const *name
, FILE *fp
, int f
)
331 printf("%s ", n_shell_quote_cp(name
, FAL0
));
334 if ((of
= Fopen(name
, "a")) == NULL
) {
341 while ((c
= getc(fp
)) != EOF
) {
353 printf(_("%d/%ld\n"), lc
, cc
);
362 makeheader(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
)
369 if ((nf
= Ftmp(NULL
, "colhead", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==NULL
) {
370 n_perr(_("temporary mail edit file"), 0);
374 extract_header(fp
, hp
, checkaddr_err
);
376 while ((c
= getc(fp
)) != EOF
) /* XXX bytewise, yuck! */
382 if (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
)
391 mesedit(int c
, struct header
*hp
)
394 sighandler_type sigint
;
398 saved
= ok_blook(add_file_recipients
);
399 ok_bset(add_file_recipients
, TRU1
);
401 sigint
= safe_signal(SIGINT
, SIG_IGN
);
402 nf
= run_editor(_coll_fp
, (off_t
)-1, c
, FAL0
, hp
, NULL
, SEND_MBOX
, sigint
);
406 makeheader(nf
, hp
, NULL
);
408 fseek(nf
, 0L, SEEK_END
);
413 safe_signal(SIGINT
, sigint
);
415 ok_bset(add_file_recipients
, saved
);
423 sighandler_type sigint
;
426 sigint
= safe_signal(SIGINT
, SIG_IGN
);
428 if ((nf
= Ftmp(NULL
, "colpipe", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==NULL
) {
429 n_perr(_("temporary mail edit file"), 0);
433 /* stdin = current message. stdout = new message */
435 if (run_command(ok_vlook(SHELL
), 0, fileno(_coll_fp
), fileno(nf
), "-c",
436 cmd
, NULL
, NULL
) < 0) {
441 if (fsize(nf
) == 0) {
442 n_err(_("No bytes from \"%s\" !?\n"), cmd
);
448 fseek(nf
, 0L, SEEK_END
);
452 safe_signal(SIGINT
, sigint
);
457 forward(char *ms
, FILE *fp
, int f
)
460 struct ignoretab
*ig
;
462 enum sendaction action
;
465 msgvec
= salloc((size_t)(msgCount
+ 1) * sizeof *msgvec
);
466 if (getmsglist(ms
, msgvec
, 0) < 0)
469 *msgvec
= first(0, MMNORM
);
471 n_err(_("No appropriate messages\n"));
477 if (f
== 'f' || f
== 'F' || f
== 'u')
479 else if ((tabst
= ok_vlook(indentprefix
)) == NULL
)
480 tabst
= INDENT_DEFAULT
;
481 if (f
== 'u' || f
== 'U')
484 ig
= upperchar(f
) ? NULL
: ignore
;
485 action
= (upperchar(f
) && f
!= 'U') ? SEND_QUOTE_ALL
: SEND_QUOTE
;
487 printf(_("Interpolating:"));
488 for (; *msgvec
!= 0; ++msgvec
) {
489 struct message
*mp
= message
+ *msgvec
- 1;
492 printf(" %d", *msgvec
);
494 if (sendmp(mp
, fp
, ig
, tabst
, action
, NULL
) < 0) {
495 n_perr(_("temporary mail file"), 0);
509 NYD_X
; /* Signal handler */
511 /* the control flow is subtle, because we can be called from ~q */
512 if (_coll_hadintr
== 0) {
513 if (ok_blook(ignore
)) {
519 siglongjmp(_coll_jmp
, 1);
521 exit_status
|= EXIT_SEND_ERROR
;
523 savedeadletter(_coll_fp
, TRU1
);
524 /* Aborting message, no need to fflush() .. */
525 siglongjmp(_coll_abort
, 1);
531 NYD_X
; /* Signal handler */
534 savedeadletter(_coll_fp
, TRU1
);
535 /* Let's pretend nobody else wants to clean up, a true statement at
541 putesc(char const *s
, FILE *stream
)
546 while (s
[0] != '\0') {
549 if (putc('\t', stream
) == EOF
)
556 if (putc('\n', stream
) == EOF
)
563 if (putc(s
[0], stream
) == EOF
)
568 if (putc('\n', stream
) == EOF
)
577 a_coll__hook_setter(void *arg
){ /* TODO v15: drop */
584 if((val
= detract(hp
->h_from
, GNAMEONLY
)) == NULL
)
586 ok_vset(compose_from
, val
);
587 if((val
= detract(hp
->h_sender
, 0)) == NULL
)
589 ok_vset(compose_sender
, val
);
590 if((val
= detract(hp
->h_to
, GNAMEONLY
)) == NULL
)
592 ok_vset(compose_to
, val
);
593 if((val
= detract(hp
->h_cc
, GNAMEONLY
)) == NULL
)
595 ok_vset(compose_cc
, val
);
596 if((val
= detract(hp
->h_bcc
, GNAMEONLY
)) == NULL
)
598 ok_vset(compose_bcc
, val
);
599 if((val
= hp
->h_subject
) == NULL
)
601 ok_vset(compose_subject
, val
);
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
, *quote
;
614 size_t i
, linesize
; /* TODO line pool */
616 enum sendaction action
;
618 FILE * volatile sigfp
;
624 linebuf
= quote
= NULL
;
626 /* Start catching signals from here, but we're still die on interrupts
627 * until we're in the main loop */
629 sigprocmask(SIG_BLOCK
, &nset
, &oset
);
630 /* FIXME have dropped handlerpush() and localized onintr() in lex.c! */
631 if ((_coll_saveint
= safe_signal(SIGINT
, SIG_IGN
)) != SIG_IGN
)
632 safe_signal(SIGINT
, &_collint
);
633 if ((_coll_savehup
= safe_signal(SIGHUP
, SIG_IGN
)) != SIG_IGN
)
634 safe_signal(SIGHUP
, collhup
);
635 if (sigsetjmp(_coll_abort
, 1))
637 if (sigsetjmp(_coll_jmp
, 1))
639 pstate
|= PS_RECURSED
;
640 sigprocmask(SIG_SETMASK
, &oset
, (sigset_t
*)NULL
);
643 if ((_coll_fp
= Ftmp(NULL
, "collect", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
645 n_perr(_("temporary mail file"), 0);
649 /* If we are going to prompt for a subject, refrain from printing a newline
650 * after the headers (since some people mind) */
652 if (!(options
& OPT_t_FLAG
)) {
653 t
= GTO
| GSUBJECT
| GCC
| GNL
;
654 if (ok_blook(fullnames
))
657 if (options
& OPT_INTERACTIVE
) {
658 if (hp
->h_subject
== NULL
&& (ok_blook(ask
) || ok_blook(asksub
)))
659 t
&= ~GNL
, getfields
|= GSUBJECT
;
661 if (hp
->h_to
== NULL
)
662 t
&= ~GNL
, getfields
|= GTO
;
664 if (!ok_blook(bsdcompat
) && !ok_blook(askatend
)) {
665 if (hp
->h_bcc
== NULL
&& ok_blook(askbcc
))
666 t
&= ~GNL
, getfields
|= GBCC
;
667 if (hp
->h_cc
== NULL
&& ok_blook(askcc
))
668 t
&= ~GNL
, getfields
|= GCC
;
675 escape
= ((cp
= ok_vlook(escape
)) != NULL
) ? *cp
: ESCAPE
;
678 if (!sigsetjmp(_coll_jmp
, 1)) {
679 /* Ask for some headers first, as necessary */
681 grab_headers(hp
, getfields
, 1);
683 /* Execute compose-enter TODO completely v15-compat intermediate!! */
684 if((cp
= ok_vlook(on_compose_enter
)) != NULL
){
685 setup_from_and_sender(hp
);
686 call_compose_mode_hook(cp
, &a_coll__hook_setter
, hp
);
689 if(!(options
& OPT_Mm_FLAG
)){
690 char const *cp_obsolete
= ok_vlook(NAIL_HEAD
);
691 if(cp_obsolete
!= NULL
)
692 OBSOLETE(_("please use *message-inject-head* "
693 "instead of *NAIL_HEAD*"));
695 if(((cp
= ok_vlook(message_inject_head
)) != NULL
||
696 (cp
= cp_obsolete
) != NULL
) && putesc(cp
, _coll_fp
) < 0)
699 /* Quote an original message */
700 if (mp
!= NULL
&& (doprefix
|| (quote
= ok_vlook(quote
)) != NULL
)) {
705 if ((cp
= ok_vlook(fwdheading
)) == NULL
)
706 cp
= "-------- Original Message --------";
707 if (*cp
!= '\0' && fprintf(_coll_fp
, "%s\n", cp
) < 0)
709 } else if (!strcmp(quote
, "noheading")) {
711 } else if (!strcmp(quote
, "headers")) {
713 } else if (!strcmp(quote
, "allheaders")) {
715 action
= SEND_QUOTE_ALL
;
717 cp
= hfield1("from", mp
);
718 if (cp
!= NULL
&& (cnt
= (long)strlen(cp
)) > 0) {
719 if (xmime_write(cp
, cnt
, _coll_fp
, CONV_FROMHDR
, TD_NONE
) < 0)
721 if (fprintf(_coll_fp
, _(" wrote:\n\n")) < 0)
725 if (fflush(_coll_fp
))
729 else if ((cp
= ok_vlook(indentprefix
)) == NULL
)
731 if (sendmp(mp
, _coll_fp
, quoteig
, cp
, action
, NULL
) < 0)
736 if (quotefile
!= NULL
) {
737 if (_include_file(quotefile
, &lc
, &cc
,
738 !(options
& OPT_Mm_FLAG
), FAL0
) != 0)
742 if ((options
& (OPT_Mm_FLAG
| OPT_INTERACTIVE
)) == OPT_INTERACTIVE
) {
743 /* Print what we have sofar also on the terminal (if useful) */
744 if (!ok_blook(editalong
)) {
746 puthead(TRU1
, hp
, stdout
, t
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
749 while ((c
= getc(_coll_fp
)) != EOF
) /* XXX bytewise, yuck! */
751 if (fseek(_coll_fp
, 0, SEEK_END
))
754 /* Ensure this is clean xxx not really necessary? */
759 /* As mandated by the Mail Reference Manual, print "(continue)" */
761 printf(_("(continue)\n"));
766 /* Come here for printing the after-signal message. Duplicate messages
767 * won't be printed because the write is aborted if we get a SIGTTOU */
769 n_err(_("\n(Interrupt -- one more to kill letter)\n"));
772 /* We're done with -M or -m */
773 if(options
& OPT_Mm_FLAG
)
775 /* No tilde escapes, interrupts not expected. Simply copy STDIN */
776 if (!(options
& (OPT_INTERACTIVE
| OPT_t_FLAG
| OPT_TILDE_FLAG
))) {
777 linebuf
= srealloc(linebuf
, linesize
= LINESIZE
);
778 while ((i
= fread(linebuf
, sizeof *linebuf
, linesize
, stdin
)) > 0) {
779 if (i
!= fwrite(linebuf
, sizeof *linebuf
, i
, _coll_fp
))
785 /* The interactive collect loop.
786 * All commands which come here are forbidden when sourcing! */
787 assert(_coll_hadintr
|| !(pstate
& PS_SOURCING
));
789 cnt
= n_lex_input("", FAL0
, &linebuf
, &linesize
, NULL
);
792 assert(!(pstate
& PS_SOURCING
));
793 if (options
& OPT_t_FLAG
) {
794 fflush_rewind(_coll_fp
);
795 /* It is important to set PS_t_FLAG before extract_header() *and*
796 * keep OPT_t_FLAG for the first parse of the message, too! */
798 if (makeheader(_coll_fp
, hp
, checkaddr_err
) != OKAY
)
800 options
&= ~OPT_t_FLAG
;
802 } else if ((options
& OPT_INTERACTIVE
) && ok_blook(ignoreeof
)) {
803 printf(_("*ignoreeof* set, use \"~.\" to terminate letter\n"));
811 if (cnt
== 0 || !(options
& (OPT_INTERACTIVE
| OPT_TILDE_FLAG
))) {
813 /* TODO calls putline(), which *always* appends LF;
814 * TODO thus, STDIN with -t will ALWAYS end with LF,
815 * TODO even if no trailing LF and QP encoding.
816 * TODO when finally changed, update cc-test.sh */
817 if (putline(_coll_fp
, linebuf
, cnt
) < 0)
820 } else if (linebuf
[0] == '.') {
821 if (linebuf
[1] == '\0' && (ok_blook(dot
) || ok_blook(ignoreeof
)))
824 if (linebuf
[0] != escape
)
827 if (!(options
& OPT_t_FLAG
))
828 n_tty_addhist(linebuf
, TRU1
);
833 /* On double escape, send a single one. Otherwise, it's an error */
835 if (putline(_coll_fp
, linebuf
+ 1, cnt
- 1) < 0)
840 n_err(_("Unknown tilde escape: ~%c\n"), asciichar(c
) ? c
: '?');
843 /* Shell escape, send the balance of line to sh -c */
844 c_shell(linebuf
+ 2);
850 /* Escape to command mode, but be nice! */
851 _execute_command(hp
, linebuf
+ 2, cnt
- 2);
854 /* Simulate end of file on input */
857 /* Same as 'q', but no *DEAD* saving */
860 /* Force a quit, act like an interrupt had happened */
862 _collint((c
== 'x') ? 0 : SIGINT
);
866 /* Grab a bunch of headers */
868 grab_headers(hp
, GTO
| GSUBJECT
| GCC
| GBCC
,
869 (ok_blook(bsdcompat
) && ok_blook(bsdorder
)));
870 while (hp
->h_to
== NULL
);
873 /* Grab extra headers */
875 grab_headers(hp
, GEXTRA
, 0);
876 while (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
);
879 /* Add to the To list */
880 hp
->h_to
= cat(hp
->h_to
,
881 checkaddrs(lextract(linebuf
+ 2, GTO
| GFULL
), EACM_NORMAL
,
885 /* Set the Subject list */
887 while (whitechar(*cp
))
889 hp
->h_subject
= savestr(cp
);
891 #ifdef HAVE_MEMORY_DEBUG
897 /* Edit the attachment list */
898 if (linebuf
[2] != '\0')
899 append_attachments(&hp
->h_attach
, linebuf
+ 2);
901 edit_attachments(&hp
->h_attach
);
904 /* Add to the CC list */
905 hp
->h_cc
= cat(hp
->h_cc
,
906 checkaddrs(lextract(linebuf
+ 2, GCC
| GFULL
), EACM_NORMAL
,
910 /* Add stuff to blind carbon copies list */
911 hp
->h_bcc
= cat(hp
->h_bcc
,
912 checkaddrs(lextract(linebuf
+ 2, GBCC
| GFULL
), EACM_NORMAL
,
916 strncpy(linebuf
+ 2, getdeadletter(), linesize
- 2);
917 linebuf
[linesize
- 1] = '\0';
922 /* Invoke a file: Search for the file name, then open it and copy the
923 * contents to _coll_fp */
925 while (whitechar(*cp
))
928 n_err(_("Interpolate what file?\n"));
932 insertcommand(_coll_fp
, cp
+ 1);
935 if ((cp
= file_expand(cp
)) == NULL
)
938 n_err(_("%s: Directory\n"), n_shell_quote_cp(cp
, FAL0
));
941 printf(_("%s "), n_shell_quote_cp(cp
, FAL0
));
943 if (_include_file(cp
, &lc
, &cc
, FAL0
, (c
== 'R')) != 0)
945 printf(_("%d/%d\n"), lc
, cc
);
948 /* Insert a variable into the file */
950 while (whitechar(*cp
))
952 if ((cp
= vok_vlook(cp
)) == NULL
|| *cp
== '\0')
954 if (putesc(cp
, _coll_fp
) < 0)
956 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
961 /* Insert the contents of a signature variable */
962 cp
= (c
== 'a') ? ok_vlook(sign
) : ok_vlook(Sign
);
963 if (cp
!= NULL
&& *cp
!= '\0') {
964 if (putesc(cp
, _coll_fp
) < 0)
966 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
971 /* Write the message on a file */
973 while (blankchar(*cp
))
975 if (*cp
== '\0' || (cp
= file_expand(cp
)) == NULL
) {
976 n_err(_("Write what file!?\n"));
980 if (exwrite(cp
, _coll_fp
, 1) < 0)
989 /* Interpolate the named messages, if we are in receiving mail mode.
990 * Does the standard list processing garbage. If ~f is given, we
991 * don't shift over */
992 if (forward(linebuf
+ 2, _coll_fp
, c
) < 0)
996 /* Print current state of the message without altering anything */
997 print_collf(_coll_fp
, hp
);
1000 /* Pipe message through command. Collect output as new message */
1002 mespipe(linebuf
+ 2);
1006 /* Edit the current message. 'e' -> use EDITOR, 'v' -> use VISUAL */
1008 mesedit(c
, ok_blook(editheaders
) ? hp
: NULL
);
1011 /* Last the lengthy help string. (Very ugly, but take care for
1012 * compiler supported string lengths :() */
1014 "TILDE ESCAPES (to be placed after a newline) excerpt:\n"
1015 "~. Commit and send message\n"
1016 "~: <command> Execute a mail command\n"
1017 "~<! <command> Insert output of command\n"
1018 "~@ [<files>] Edit attachment list\n"
1019 "~A Insert *Sign* variable (`~a' inserts *sign*)\n"
1020 "~c <users> Add users to Cc: list (`~b' for Bcc:)\n"
1021 "~d Read in *DEAD* (dead.letter)\n"
1022 "~e Edit message via *EDITOR*"
1025 "~F <msglist> Read in with headers, don't *indentprefix* lines\n"
1026 "~f <msglist> Like ~F, but honour `ignore' / `retain' configuration\n"
1027 "~H Edit From:, Reply-To: and Sender:\n"
1028 "~h Prompt for Subject:, To:, Cc: and \"blind\" Bcc:\n"
1029 "~i <variable> Insert a value and a newline\n"
1030 "~M <msglist> Read in with headers, *indentprefix* (`~m': `retain' etc.)\n"
1031 "~p Print current message compose buffer\n"
1032 "~r <file> Read in a file (`~R' *indentprefix* lines)"
1035 "~s <subject> Set Subject:\n"
1036 "~t <users> Add users to To: list\n"
1037 "~u <msglist> Read in message(s) without headers (`~U' indents lines)\n"
1038 "~v Edit message via *VISUAL*\n"
1039 "~w <file> Write message onto file\n"
1040 "~x Abort composition, discard message (`~q' saves in *DEAD*)\n"
1041 "~| <command> Pipe message through shell filter"
1048 /* Execute compose-leave TODO completely v15-compat intermediate!! */
1049 if((cp
= ok_vlook(on_compose_leave
)) != NULL
){
1050 setup_from_and_sender(hp
);
1051 call_compose_mode_hook(cp
, &a_coll__hook_setter
, hp
);
1054 /* Final change to edit headers, if not already above */
1055 if (ok_blook(bsdcompat
) || ok_blook(askatend
)) {
1056 if (hp
->h_cc
== NULL
&& ok_blook(askcc
))
1057 grab_headers(hp
, GCC
, 1);
1058 if (hp
->h_bcc
== NULL
&& ok_blook(askbcc
))
1059 grab_headers(hp
, GBCC
, 1);
1061 if (hp
->h_attach
== NULL
&& ok_blook(askattach
))
1062 edit_attachments(&hp
->h_attach
);
1064 /* Add automatic receivers */
1065 if ((cp
= ok_vlook(autocc
)) != NULL
&& *cp
!= '\0')
1066 hp
->h_cc
= cat(hp
->h_cc
, checkaddrs(lextract(cp
, GCC
| GFULL
),
1067 EACM_NORMAL
, checkaddr_err
));
1068 if ((cp
= ok_vlook(autobcc
)) != NULL
&& *cp
!= '\0')
1069 hp
->h_bcc
= cat(hp
->h_bcc
, checkaddrs(lextract(cp
, GBCC
| GFULL
),
1070 EACM_NORMAL
, checkaddr_err
));
1071 if (*checkaddr_err
!= 0)
1074 if(options
& OPT_Mm_FLAG
)
1077 /* Place signature? */
1078 if((cp
= ok_vlook(signature
)) != NULL
&& *cp
!= '\0'){
1079 if((quote
= file_expand(cp
)) == NULL
){
1080 n_err(_("*signature* expands to invalid file: \"%s\"\n"), cp
);
1083 if((sigfp
= Fopen(cp
= quote
, "r")) == NULL
){
1084 n_err(_("Can't open *signature* \"%s\": %s\n"), cp
, strerror(errno
));
1089 linebuf
= smalloc(linesize
= LINESIZE
);
1091 while((i
= fread(linebuf
, sizeof *linebuf
, linesize
, UNVOLATILE(sigfp
)))
1094 if(i
!= fwrite(linebuf
, sizeof *linebuf
, i
, _coll_fp
))
1099 FILE *x
= UNVOLATILE(sigfp
);
1100 int e
= errno
, ise
= ferror(x
);
1106 n_err(_("Errors while reading *signature* \"%s\": %s\n"),
1112 if(c
!= '\0' && c
!= '\n')
1113 putc('\n', _coll_fp
);
1116 { char const *cp_obsolete
= ok_vlook(NAIL_TAIL
);
1118 if(cp_obsolete
!= NULL
)
1119 OBSOLETE(_("please use *message-inject-tail* instead of *NAIL_TAIL*"));
1121 if((cp
= ok_vlook(message_inject_tail
)) != NULL
||
1122 (cp
= cp_obsolete
) != NULL
){
1123 if(putesc(cp
, _coll_fp
) < 0)
1125 if((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
1131 if(fflush(_coll_fp
))
1136 if (linebuf
!= NULL
)
1140 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
1141 pstate
&= ~PS_RECURSED
;
1142 safe_signal(SIGINT
, _coll_saveint
);
1143 safe_signal(SIGHUP
, _coll_savehup
);
1144 sigprocmask(SIG_SETMASK
, &oset
, NULL
);
1150 Fclose(UNVOLATILE(sigfp
));
1151 if (_coll_fp
!= NULL
) {