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 - 2014 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. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #ifndef HAVE_AMALGAMATION
44 /* The following hookiness with global variables is so that on receipt of an
45 * interrupt signal, the partial message can be salted away on *DEAD* */
47 static sighandler_type _coll_saveint
; /* Previous SIGINT value */
48 static sighandler_type _coll_savehup
; /* Previous SIGHUP value */
49 static sighandler_type _coll_savetstp
; /* Previous SIGTSTP value */
50 static sighandler_type _coll_savettou
; /* Previous SIGTTOU value */
51 static sighandler_type _coll_savettin
; /* Previous SIGTTIN value */
52 static FILE *_coll_fp
; /* File for saving away */
53 static int volatile _coll_hadintr
; /* Have seen one SIGINT so far */
54 static sigjmp_buf _coll_jmp
; /* To get back to work */
55 static int _coll_jmp_p
; /* whether to long jump */
56 static sigjmp_buf _coll_abort
; /* To end collection with error */
57 static sigjmp_buf _coll_pipejmp
; /* On broken pipe */
59 /* Handle `~:', `~_' */
60 static void _execute_command(struct header
*hp
, char *linebuf
,
63 /* If *interactive* is set and *doecho* is, too, also dump to *stdout* */
64 static int _include_file(char const *name
, int *linecount
,
65 int *charcount
, bool_t doecho
, bool_t indent
);
67 static void _collect_onpipe(int signo
);
69 /* Execute cmd and insert its standard output into fp */
70 static void insertcommand(FILE *fp
, char const *cmd
);
73 static void print_collf(FILE *collf
, struct header
*hp
);
75 /* Write a file, ex-like if f set */
76 static int exwrite(char const *name
, FILE *fp
, int f
);
78 static enum okay
makeheader(FILE *fp
, struct header
*hp
);
80 /* Edit the message being collected on fp. On return, make the edit file the
82 static void mesedit(int c
, struct header
*hp
);
84 /* Pipe the message through the command. Old message is on stdin of command,
85 * new message collected from stdout. Shell must return 0 to accept new msg */
86 static void mespipe(char *cmd
);
88 /* Interpolate the named messages into the current message, possibly doing
89 * indent stuff. The flag argument is one of the tilde escapes: [mMfFuU].
90 * Return a count of the number of characters now in the message, or -1 if an
91 * error is encountered writing the message temporary */
92 static int forward(char *ms
, FILE *fp
, int f
);
94 /* Print (continue) when continued after ^Z */
95 static void collstop(int s
);
97 /* On interrupt, come here to save the partial message in ~/dead.letter.
98 * Then jump out of the collection loop */
99 static void _collint(int s
);
101 static void collhup(int s
);
103 static int putesc(char const *s
, FILE *stream
);
106 _execute_command(struct header
*hp
, char *linebuf
, size_t linesize
)
108 /* The problem arises if there are rfc822 message attachments and the
109 * user uses `~:' to change the current file. TODO Unfortunately we
110 * TODO cannot simply keep a pointer to, or increment a reference count
111 * TODO of the current `file' (mailbox that is) object, because the
112 * TODO codebase doesn't deal with that at all; so, until some far
113 * TODO later time, copy the name of the path, and warn the user if it
114 * TODO changed; we COULD use the AC_TMPFILE attachment type, i.e.,
115 * TODO copy the message attachments over to temporary files, but that
116 * TODO would require more changes so that the user still can recognize
117 * TODO in `~@' etc. that its a rfc822 message attachment; see below */
119 size_t mnlen
= 0 /* silence CC */;
120 struct attachment
*ap
;
123 /* If the above todo is worked, remove or outsource to attachments.c! */
124 if ((ap
= hp
->h_attach
) != NULL
) do
126 mnlen
= strlen(mailname
) +1;
127 mnbuf
= ac_alloc(mnlen
);
128 memcpy(mnbuf
, mailname
, mnlen
);
131 while ((ap
= ap
->a_flink
) != NULL
);
134 execute(linebuf
, TRU1
, linesize
);
137 if (strncmp(mnbuf
, mailname
, mnlen
))
138 fputs(_("Mailbox changed: it seems existing rfc822 attachments "
139 "became invalid!\n"), stderr
);
146 _include_file(char const *name
, int *linecount
, int *charcount
,
147 bool_t doecho
, bool_t indent
)
152 char *linebuf
= NULL
; /* TODO line pool */
153 size_t linesize
= 0, indl
, linelen
, cnt
;
156 if ((fbuf
= Fopen(name
, "r")) == NULL
) {
162 indb
= NULL
, indl
= 0;
164 if ((indb
= ok_vlook(indentprefix
)) == NULL
)
165 indb
= INDENT_DEFAULT
;
169 *linecount
= *charcount
= 0;
171 while (fgetline(&linebuf
, &linesize
, &cnt
, &linelen
, fbuf
, 0) != NULL
) {
172 if (indl
> 0 && fwrite(indb
, sizeof *indb
, indl
, _coll_fp
) != indl
)
174 if (fwrite(linebuf
, sizeof *linebuf
, linelen
, _coll_fp
) != linelen
)
177 (*charcount
) += linelen
+ indl
;
178 if ((options
& OPT_INTERACTIVE
) && doecho
) {
180 fwrite(indb
, sizeof *indb
, indl
, stdout
);
181 fwrite(linebuf
, sizeof *linebuf
, linelen
, stdout
);
184 if (fflush(_coll_fp
))
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 FILE *volatile obuf
= stdout
;
231 struct attachment
*ap
;
234 size_t linecnt
, maxlines
, linesize
= 0, linelen
, cnt
, cnt2
;
239 cnt
= cnt2
= fsize(cf
);
241 if (IS_TTY_SESSION() && (cp
= ok_vlook(crt
)) != NULL
) {
242 for (linecnt
= 0; fgetline(&lbuf
, &linesize
, &cnt2
, NULL
, cf
, 0);
245 maxlines
= (*cp
== '\0' ? screensize() : atoi(cp
));
257 maxlines
-= (myaddrs(hp
) != NULL
|| hp
->h_from
!= NULL
);
258 maxlines
-= (ok_vlook(ORGANIZATION
) !=NULL
|| hp
->h_organization
!=NULL
);
259 maxlines
-= (ok_vlook(replyto
) != NULL
|| hp
->h_replyto
!= NULL
);
260 maxlines
-= (ok_vlook(sender
) != NULL
|| hp
->h_sender
!= NULL
);
261 if ((ssize_t
)maxlines
< 0 || linecnt
> maxlines
) {
262 cp
= get_pager(NULL
);
263 if (sigsetjmp(_coll_pipejmp
, 1))
265 obuf
= Popen(cp
, "w", NULL
, NULL
, 1);
270 safe_signal(SIGPIPE
, &_collect_onpipe
);
274 fprintf(obuf
, _("-------\nMessage contains:\n"));
275 gf
= GIDENT
| GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GFILES
;
276 if (ok_blook(fullnames
))
278 puthead(hp
, obuf
, gf
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
279 while (fgetline(&lbuf
, &linesize
, &cnt
, &linelen
, cf
, 1))
280 prout(lbuf
, linelen
, obuf
);
281 if (hp
->h_attach
!= NULL
) {
282 fputs(_("-------\nAttachments:\n"), obuf
);
283 for (ap
= hp
->h_attach
; ap
!= NULL
; ap
= ap
->a_flink
) {
285 fprintf(obuf
, " - message %u\n", ap
->a_msgno
);
287 /* TODO after MIME/send layer rewrite we *know*
288 * TODO the details of the attachment here,
289 * TODO so adjust this again, then */
290 char const *cs
, *csi
= "-> ";
292 if ((cs
= ap
->a_charset
) == NULL
&&
293 (csi
= "<- ", cs
= ap
->a_input_charset
) == NULL
)
294 cs
= charset_get_lc();
295 if ((cp
= ap
->a_content_type
) == NULL
)
297 else if (ascncasecmp(cp
, "text/", 5))
299 fprintf(obuf
, " - [%s, %s%s] %s\n", cp
, csi
, cs
, ap
->a_name
);
304 if (obuf
!= stdout
) {
305 safe_signal(SIGPIPE
, SIG_IGN
);
307 safe_signal(SIGPIPE
, dflpipe
);
315 exwrite(char const *name
, FILE *fp
, int f
)
323 printf("\"%s\" ", name
);
326 if ((of
= Fopen(name
, "a")) == NULL
) {
333 while ((c
= getc(fp
)) != EOF
) {
345 printf(_("%d/%ld\n"), lc
, cc
);
354 makeheader(FILE *fp
, struct header
*hp
)
361 if ((nf
= Ftmp(NULL
, "colhead", OF_RDWR
| OF_UNLINK
| OF_REGISTER
, 0600)) ==
363 perror(_("temporary mail edit file"));
367 extract_header(fp
, hp
);
368 while ((c
= getc(fp
)) != EOF
) /* XXX bytewise, yuck! */
374 if (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
)
383 mesedit(int c
, struct header
*hp
)
386 sighandler_type sigint
;
390 saved
= ok_blook(add_file_recipients
);
391 ok_bset(add_file_recipients
, TRU1
);
393 sigint
= safe_signal(SIGINT
, SIG_IGN
);
394 nf
= run_editor(_coll_fp
, (off_t
)-1, c
, 0, hp
, NULL
, SEND_MBOX
, sigint
);
400 fseek(nf
, 0L, SEEK_END
);
405 safe_signal(SIGINT
, sigint
);
407 ok_bset(add_file_recipients
, saved
);
415 sighandler_type sigint
;
419 sigint
= safe_signal(SIGINT
, SIG_IGN
);
421 if ((nf
= Ftmp(NULL
, "colpipe", OF_RDWR
| OF_UNLINK
| OF_REGISTER
, 0600)) ==
423 perror(_("temporary mail edit file"));
427 /* stdin = current message. stdout = new message */
428 if ((sh
= ok_vlook(SHELL
)) == NULL
)
431 if (run_command(sh
, 0, fileno(_coll_fp
), fileno(nf
), "-c", cmd
, NULL
) < 0) {
436 if (fsize(nf
) == 0) {
437 fprintf(stderr
, _("No bytes from \"%s\" !?\n"), cmd
);
443 fseek(nf
, 0L, SEEK_END
);
447 safe_signal(SIGINT
, sigint
);
452 forward(char *ms
, FILE *fp
, int f
)
455 struct ignoretab
*ig
;
457 enum sendaction action
;
460 msgvec
= salloc((size_t)(msgCount
+ 1) * sizeof *msgvec
);
461 if (getmsglist(ms
, msgvec
, 0) < 0)
464 *msgvec
= first(0, MMNORM
);
466 fputs(_("No appropriate messages\n"), stderr
);
472 if (f
== 'f' || f
== 'F' || f
== 'u')
474 else if ((tabst
= ok_vlook(indentprefix
)) == NULL
)
475 tabst
= INDENT_DEFAULT
;
476 if (f
== 'u' || f
== 'U')
479 ig
= upperchar(f
) ? NULL
: ignore
;
480 action
= (upperchar(f
) && f
!= 'U') ? SEND_QUOTE_ALL
: SEND_QUOTE
;
482 printf(_("Interpolating:"));
483 for (; *msgvec
!= 0; ++msgvec
) {
484 struct message
*mp
= message
+ *msgvec
- 1;
487 printf(" %d", *msgvec
);
488 if (sendmp(mp
, fp
, ig
, tabst
, action
, NULL
) < 0) {
489 perror(_("temporary mail file"));
503 sighandler_type old_action
;
505 NYD_X
; /* Signal handler */
507 old_action
= safe_signal(s
, SIG_DFL
);
511 sigprocmask(SIG_UNBLOCK
, &nset
, NULL
);
513 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
515 safe_signal(s
, old_action
);
519 siglongjmp(_coll_jmp
, 1);
526 NYD_X
; /* Signal handler */
528 /* the control flow is subtle, because we can be called from ~q */
529 if (_coll_hadintr
== 0) {
530 if (ok_blook(ignore
)) {
536 siglongjmp(_coll_jmp
, 1);
538 exit_status
|= EXIT_SEND_ERROR
;
539 if (ok_blook(save
) && s
!= 0)
540 savedeadletter(_coll_fp
, 1);
541 /* Aborting message, no need to fflush() .. */
542 siglongjmp(_coll_abort
, 1);
548 NYD_X
; /* Signal handler */
551 savedeadletter(_coll_fp
, 1);
552 /* Let's pretend nobody else wants to clean up, a true statement at
558 putesc(char const *s
, FILE *stream
)
563 while (s
[0] != '\0') {
566 if (putc('\t', stream
) == EOF
)
573 if (putc('\n', stream
) == EOF
)
580 if (putc(s
[0], stream
) == EOF
)
585 if (putc('\n', stream
) == EOF
)
594 collect(struct header
*hp
, int printheaders
, struct message
*mp
,
595 char *quotefile
, int doprefix
)
597 struct ignoretab
*quoteig
;
599 int volatile escape
, getfields
;
600 char *linebuf
= NULL
, *quote
= NULL
;
602 size_t linesize
= 0; /* TODO line pool */
604 enum sendaction action
;
606 sighandler_type savedtop
;
610 /* Start catching signals from here, but we're still die on interrupts
611 * until we're in the main loop */
613 sigaddset(&nset
, SIGINT
);
614 sigaddset(&nset
, SIGHUP
);
615 sigprocmask(SIG_BLOCK
, &nset
, &oset
);
616 handlerpush(&_collint
);
617 if ((_coll_saveint
= safe_signal(SIGINT
, SIG_IGN
)) != SIG_IGN
)
618 safe_signal(SIGINT
, &_collint
);
619 if ((_coll_savehup
= safe_signal(SIGHUP
, SIG_IGN
)) != SIG_IGN
)
620 safe_signal(SIGHUP
, collhup
);
621 /* TODO We do a lot of redundant signal handling, especially
622 * TODO with the command line editor(s); try to merge this */
623 _coll_savetstp
= safe_signal(SIGTSTP
, collstop
);
624 _coll_savettou
= safe_signal(SIGTTOU
, collstop
);
625 _coll_savettin
= safe_signal(SIGTTIN
, collstop
);
626 if (sigsetjmp(_coll_abort
, 1))
628 if (sigsetjmp(_coll_jmp
, 1))
630 sigprocmask(SIG_SETMASK
, &oset
, (sigset_t
*)NULL
);
633 if ((_coll_fp
= Ftmp(NULL
, "collect", OF_RDWR
| OF_UNLINK
| OF_REGISTER
,
635 perror(_("temporary mail file"));
639 if ((cp
= ok_vlook(NAIL_HEAD
)) != NULL
&& putesc(cp
, _coll_fp
) < 0)
642 /* If we are going to prompt for a subject, refrain from printing a newline
643 * after the headers (since some people mind) */
645 if (!(options
& OPT_t_FLAG
)) {
646 t
= GTO
| GSUBJECT
| GCC
| GNL
;
647 if (ok_blook(fullnames
))
649 if (hp
->h_subject
== NULL
&& (options
& OPT_INTERACTIVE
) &&
650 (ok_blook(ask
) || ok_blook(asksub
)))
651 t
&= ~GNL
, getfields
|= GSUBJECT
;
652 if (hp
->h_to
== NULL
&& (options
& OPT_INTERACTIVE
))
653 t
&= ~GNL
, getfields
|= GTO
;
654 if (!ok_blook(bsdcompat
) && !ok_blook(askatend
) &&
655 (options
& OPT_INTERACTIVE
)) {
656 if (hp
->h_bcc
== NULL
&& ok_blook(askbcc
))
657 t
&= ~GNL
, getfields
|= GBCC
;
658 if (hp
->h_cc
== NULL
&& ok_blook(askcc
))
659 t
&= ~GNL
, getfields
|= GCC
;
662 puthead(hp
, stdout
, t
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
667 /* Quote an original message */
668 if (mp
!= NULL
&& (doprefix
|| (quote
= ok_vlook(quote
)) != NULL
)) {
673 if ((cp
= ok_vlook(fwdheading
)) == NULL
)
674 cp
= "-------- Original Message --------";
675 if (*cp
!= '\0' && fprintf(_coll_fp
, "%s\n", cp
) < 0)
677 } else if (!strcmp(quote
, "noheading")) {
679 } else if (!strcmp(quote
, "headers")) {
681 } else if (!strcmp(quote
, "allheaders")) {
683 action
= SEND_QUOTE_ALL
;
685 cp
= hfield1("from", mp
);
686 if (cp
!= NULL
&& (cnt
= (long)strlen(cp
)) > 0) {
687 if (xmime_write(cp
, cnt
, _coll_fp
, CONV_FROMHDR
, TD_NONE
,NULL
) < 0)
689 if (fprintf(_coll_fp
, _(" wrote:\n\n")) < 0)
693 if (fflush(_coll_fp
))
697 else if ((cp
= ok_vlook(indentprefix
)) == NULL
)
699 if (sendmp(mp
, _coll_fp
, quoteig
, cp
, action
, NULL
) < 0)
703 /* Print what we have sofar also on the terminal */
705 while ((c
= getc(_coll_fp
)) != EOF
) /* XXX bytewise, yuck! */
707 if (fseek(_coll_fp
, 0, SEEK_END
))
710 escape
= ((cp
= ok_vlook(escape
)) != NULL
) ? *cp
: ESCAPE
;
713 if (!sigsetjmp(_coll_jmp
, 1)) {
715 grab_headers(hp
, getfields
, 1);
716 if (quotefile
!= NULL
) {
717 if (_include_file(quotefile
, &lc
, &cc
, TRU1
, FAL0
) != 0)
720 if ((options
& OPT_INTERACTIVE
) && ok_blook(editalong
)) {
726 /* Come here for printing the after-signal message. Duplicate messages
727 * won't be printed because the write is aborted if we get a SIGTTOU */
730 fprintf(stderr
, _("\n(Interrupt -- one more to kill letter)\n"));
732 printf(_("(continue)\n"));
737 /* No tilde escapes, interrupts not expected. Simply copy STDIN */
738 if (!(options
& (OPT_INTERACTIVE
| OPT_t_FLAG
| OPT_TILDE_FLAG
))) {
739 linebuf
= srealloc(linebuf
, linesize
= LINESIZE
);
740 while ((cnt
= fread(linebuf
, sizeof *linebuf
, linesize
, stdin
)) > 0) {
741 if ((size_t)cnt
!= fwrite(linebuf
, sizeof *linebuf
, cnt
, _coll_fp
))
744 if (fflush(_coll_fp
))
749 /* The interactive collect loop */
752 cnt
= readline_input("", FAL0
, &linebuf
, &linesize
, NULL
);
756 if ((options
& OPT_INTERACTIVE
) && ok_blook(ignoreeof
)) {
757 printf(_("Use \".\" to terminate letter\n"));
762 if ((options
& OPT_t_FLAG
) && cnt
== 0) {
764 if (makeheader(_coll_fp
, hp
) != OKAY
)
767 options
&= ~OPT_t_FLAG
;
772 if (linebuf
[0] == '.' && linebuf
[1] == '\0' &&
773 (options
& (OPT_INTERACTIVE
| OPT_TILDE_FLAG
)) &&
774 (ok_blook(dot
) || ok_blook(ignoreeof
)))
776 if (cnt
== 0 || linebuf
[0] != escape
||
777 !(options
& (OPT_INTERACTIVE
| OPT_TILDE_FLAG
))) {
778 /* TODO calls putline(), which *always* appends LF;
779 * TODO thus, STDIN with -t will ALWAYS end with LF,
780 * TODO even if no trailing LF and QP CTE */
781 if (putline(_coll_fp
, linebuf
, cnt
) < 0)
786 tty_addhist(linebuf
, TRU1
);
791 /* On double escape, send a single one. Otherwise, it's an error */
793 if (putline(_coll_fp
, linebuf
+ 1, cnt
- 1) < 0)
798 fputs(_("Unknown tilde escape.\n"), stderr
);
801 /* Shell escape, send the balance of line to sh -c */
802 c_shell(linebuf
+ 2);
807 /* Escape to command mode, but be nice! */
808 _execute_command(hp
, linebuf
+ 2, cnt
- 2);
811 /* Simulate end of file on input */
814 /* Same as 'q', but no *DEAD* saving */
817 /* Force a quit, act like an interrupt had happened */
819 _collint((c
== 'x') ? 0 : SIGINT
);
823 /* Grab a bunch of headers */
825 grab_headers(hp
, GTO
| GSUBJECT
| GCC
| GBCC
,
826 (ok_blook(bsdcompat
) && ok_blook(bsdorder
)));
827 while (hp
->h_to
== NULL
);
830 /* Grab extra headers */
832 grab_headers(hp
, GEXTRA
, 0);
833 while (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
);
836 /* Add to the To list */
837 while ((hp
->h_to
= cat(hp
->h_to
,
838 checkaddrs(lextract(linebuf
+ 2, GTO
| GFULL
)))) == NULL
)
842 /* Set the Subject list */
844 while (whitechar(*cp
))
846 hp
->h_subject
= savestr(cp
);
854 /* Edit the attachment list */
855 if (linebuf
[2] != '\0')
856 append_attachments(&hp
->h_attach
, linebuf
+ 2);
858 edit_attachments(&hp
->h_attach
);
861 /* Add to the CC list */
862 hp
->h_cc
= cat(hp
->h_cc
,
863 checkaddrs(lextract(linebuf
+ 2, GCC
| GFULL
)));
866 /* Add stuff to blind carbon copies list */
867 hp
->h_bcc
= cat(hp
->h_bcc
,
868 checkaddrs(lextract(linebuf
+ 2, GBCC
| GFULL
)));
871 strncpy(linebuf
+ 2, getdeadletter(), linesize
- 2);
872 linebuf
[linesize
- 1] = '\0';
877 /* Invoke a file: Search for the file name, then open it and copy the
878 * contents to _coll_fp */
880 while (whitechar(*cp
))
883 fputs(_("Interpolate what file?\n"), stderr
);
887 insertcommand(_coll_fp
, cp
+ 1);
890 if ((cp
= file_expand(cp
)) == NULL
)
893 fprintf(stderr
, _("%s: Directory\n"), cp
);
896 printf(_("\"%s\" "), cp
);
898 if (_include_file(cp
, &lc
, &cc
, FAL0
, (c
== 'R')) != 0)
900 printf(_("%d/%d\n"), lc
, cc
);
903 /* Insert a variable into the file */
905 while (whitechar(*cp
))
907 if ((cp
= vok_vlook(cp
)) == NULL
|| *cp
== '\0')
909 if (putesc(cp
, _coll_fp
) < 0)
911 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
916 /* Insert the contents of a signature variable */
917 cp
= (c
== 'a') ? ok_vlook(sign
) : ok_vlook(Sign
);
918 if (cp
!= NULL
&& *cp
!= '\0') {
919 if (putesc(cp
, _coll_fp
) < 0)
921 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
926 /* Write the message on a file */
928 while (blankchar(*cp
))
930 if (*cp
== '\0' || (cp
= file_expand(cp
)) == NULL
) {
931 fputs(_("Write what file!?\n"), stderr
);
935 if (exwrite(cp
, _coll_fp
, 1) < 0)
944 /* Interpolate the named messages, if we are in receiving mail mode.
945 * Does the standard list processing garbage. If ~f is given, we
946 * don't shift over */
947 if (forward(linebuf
+ 2, _coll_fp
, c
) < 0)
951 /* Print current state of the message without altering anything */
952 print_collf(_coll_fp
, hp
);
955 /* Pipe message through command. Collect output as new message */
957 mespipe(linebuf
+ 2);
961 /* Edit the current message. 'e' -> use EDITOR, 'v' -> use VISUAL */
963 mesedit(c
, ok_blook(editheaders
) ? hp
: NULL
);
966 /* Last the lengthy help string. (Very ugly, but take care for
967 * compiler supported string lengths :() */
969 "-------------------- ~ ESCAPES ----------------------------\n"
970 "~~ Quote a single tilde\n"
971 "~@ [file ...] Edit attachment list\n"
972 "~b users Add users to \"blind\" cc list\n"
973 "~c users Add users to cc list\n"
974 "~d Read in dead.letter\n"
975 "~e Edit the message buffer\n"
976 "~F messages Read in messages, keep all header lines, don't indent lines\n"
977 "~f messages Like ~F, but keep only selected header lines\n"
978 "~h Prompt for to list, subject, cc, and \"blind\" cc list\n"));
980 "~R file Read in a file, indent lines\n"
981 "~r file Read in a file, don't indent lines\n"
982 "~p Print the message buffer\n"
983 "~q Abort message composition and save text to dead.letter\n"
984 "~M messages Read in messages, keep all header lines, indent lines\n"
985 "~m messages Like ~F, but keep only selected header lines\n"
986 "~s subject Set subject\n"
987 "~t users Add users to to list\n"));
989 "~U messages Same as ~m, but without any headers\n"
990 "~u messages Same as ~f, but without any headers\n"
991 "~v Invoke display editor on message\n"
992 "~w file Write message onto file\n"
993 "~x Abort message composition and discard text written so far\n"
994 "~!command Invoke the shell\n"
995 "~:command Execute a regular command\n"
996 "-----------------------------------------------------------\n"));
1002 if (_coll_fp
!= NULL
) {
1003 if ((cp
= ok_vlook(NAIL_TAIL
)) != NULL
) {
1004 if (putesc(cp
, _coll_fp
) < 0)
1006 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
1011 if (linebuf
!= NULL
)
1016 sigaddset(&nset
, SIGINT
);
1017 sigaddset(&nset
, SIGHUP
);
1018 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
1019 safe_signal(SIGINT
, _coll_saveint
);
1020 safe_signal(SIGHUP
, _coll_savehup
);
1021 safe_signal(SIGTSTP
, _coll_savetstp
);
1022 safe_signal(SIGTTOU
, _coll_savettou
);
1023 safe_signal(SIGTTIN
, _coll_savettin
);
1024 sigprocmask(SIG_SETMASK
, &oset
, NULL
);
1029 if (_coll_fp
!= NULL
) {
1037 savedeadletter(FILE *fp
, int fflush_rewind_first
)
1045 if (fflush_rewind_first
) {
1052 cp
= getdeadletter();
1054 dbuf
= Fopen(cp
, "a");
1061 printf("\"%s\" ", cp
);
1062 for (lines
= bytes
= 0; (c
= getc(fp
)) != EOF
; ++bytes
) {
1067 printf("%lu/%lu\n", lines
, bytes
);
1075 /* vim:set fenc=utf-8:s-it-mode */