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 `~:', `~_' and some hooks; hp may be NULL */
58 static void _execute_command(struct header
*hp
, char const *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 /* Parse off the message header from fp and store relevant fields in hp,
77 * replace _coll_fp with a shiny new version without any header */
78 static enum okay
makeheader(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
);
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
);
105 /* call_compose_mode_hook() setter hook */
106 static void a_coll__hook_setter(void *arg
);
109 _execute_command(struct header
*hp
, char const *linebuf
, size_t linesize
){
110 /* The problem arises if there are rfc822 message attachments and the
111 * user uses `~:' to change the current file. TODO Unfortunately we
112 * TODO cannot simply keep a pointer to, or increment a reference count
113 * TODO of the current `file' (mailbox that is) object, because the
114 * TODO codebase doesn't deal with that at all; so, until some far
115 * TODO later time, copy the name of the path, and warn the user if it
116 * TODO changed; we COULD use the AC_TMPFILE attachment type, i.e.,
117 * TODO copy the message attachments over to temporary files, but that
118 * TODO would require more changes so that the user still can recognize
119 * TODO in `~@' etc. that its a rfc822 message attachment; see below */
121 struct attachment
*ap
;
128 n_SIGMAN_ENTER_SWITCH(&sm
, n_SIGMAN_ALL
){
135 /* If the above todo is worked, remove or outsource to attachments.c! */
136 if(hp
!= NULL
&& (ap
= hp
->h_attach
) != NULL
) do
138 mnbuf
= sstrdup(mailname
);
141 while((ap
= ap
->a_flink
) != NULL
);
143 n_source_command(linebuf
);
145 n_sigman_cleanup_ping(&sm
);
148 if(strcmp(mnbuf
, mailname
))
149 n_err(_("Mailbox changed: it is likely that existing "
150 "rfc822 attachments became invalid!\n"));
154 n_sigman_leave(&sm
, n_SIGMAN_VIPSIGS_NTTYOUT
);
158 _include_file(char const *name
, int *linecount
, int *charcount
,
159 bool_t doecho
, bool_t indent
)
164 char *linebuf
= NULL
; /* TODO line pool */
165 size_t linesize
= 0, indl
, linelen
, cnt
;
168 if (name
== (char*)-1)
170 else if ((fbuf
= Fopen(name
, "r")) == NULL
) {
176 indb
= NULL
, indl
= 0;
178 if ((indb
= ok_vlook(indentprefix
)) == NULL
)
179 indb
= INDENT_DEFAULT
;
183 *linecount
= *charcount
= 0;
185 while (fgetline(&linebuf
, &linesize
, &cnt
, &linelen
, fbuf
, 0) != NULL
) {
186 if (indl
> 0 && fwrite(indb
, sizeof *indb
, indl
, _coll_fp
) != indl
)
188 if (fwrite(linebuf
, sizeof *linebuf
, linelen
, _coll_fp
) != linelen
)
191 (*charcount
) += linelen
+ indl
;
192 if ((options
& OPT_INTERACTIVE
) && doecho
) {
194 fwrite(indb
, sizeof *indb
, indl
, stdout
);
195 fwrite(linebuf
, sizeof *linebuf
, linelen
, stdout
);
198 if (fflush(_coll_fp
))
200 if ((options
& OPT_INTERACTIVE
) && doecho
)
207 if (fbuf
!= NULL
&& fbuf
!= stdin
)
214 _collect_onpipe(int signo
)
216 NYD_X
; /* Signal handler */
218 siglongjmp(_coll_pipejmp
, 1);
222 insertcommand(FILE *fp
, char const *cmd
)
228 if ((ibuf
= Popen(cmd
, "r", ok_vlook(SHELL
), NULL
, 0)) != NULL
) {
229 while ((c
= getc(ibuf
)) != EOF
) /* XXX bytewise, yuck! */
238 print_collf(FILE *cf
, struct header
*hp
)
240 char *lbuf
= NULL
; /* TODO line pool */
241 sighandler_type sigint
;
242 FILE * volatile obuf
= stdout
;
243 struct attachment
*ap
;
246 size_t linesize
= 0, linelen
, cnt
, cnt2
;
250 cnt
= cnt2
= fsize(cf
);
252 sigint
= safe_signal(SIGINT
, SIG_IGN
);
254 if ((options
& OPT_INTERACTIVE
) && (cp
= ok_vlook(crt
)) != NULL
) {
258 if (hp
->h_to
!= NULL
)
260 if (hp
->h_subject
!= NULL
)
262 if (hp
->h_cc
!= NULL
)
264 if (hp
->h_bcc
!= NULL
)
266 if (hp
->h_attach
!= NULL
)
268 m
+= (hp
->h_from
!= NULL
|| myaddrs(hp
) != NULL
);
269 m
+= (hp
->h_sender
!= NULL
|| ok_vlook(sender
) != NULL
);
270 m
+= (hp
->h_replyto
!= NULL
|| ok_vlook(replyto
) != NULL
);
272 l
= (*cp
== '\0') ? (size_t)screensize() : strtoul(cp
, NULL
, 0);
277 for (m
= 0; fgetline(&lbuf
, &linesize
, &cnt2
, NULL
, cf
, 0); ++m
)
282 if (sigsetjmp(_coll_pipejmp
, 1))
284 if ((obuf
= n_pager_open()) == NULL
)
287 safe_signal(SIGPIPE
, &_collect_onpipe
);
291 fprintf(obuf
, _("-------\nMessage contains:\n"));
292 gf
= GIDENT
| GTO
| GSUBJECT
| GCC
| GBCC
| GNL
| GFILES
| GCOMMA
;
293 puthead(TRU1
, hp
, obuf
, gf
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
294 while (fgetline(&lbuf
, &linesize
, &cnt
, &linelen
, cf
, 1))
295 prout(lbuf
, linelen
, obuf
);
296 if (hp
->h_attach
!= NULL
) {
297 fputs(_("-------\nAttachments:\n"), obuf
);
298 for (ap
= hp
->h_attach
; ap
!= NULL
; ap
= ap
->a_flink
) {
300 fprintf(obuf
, " - message %u\n", ap
->a_msgno
);
302 /* TODO after MIME/send layer rewrite we *know*
303 * TODO the details of the attachment here,
304 * TODO so adjust this again, then */
305 char const *cs
, *csi
= "-> ";
307 if ((cs
= ap
->a_charset
) == NULL
&&
308 (csi
= "<- ", cs
= ap
->a_input_charset
) == NULL
)
309 cs
= charset_get_lc();
310 if ((cp
= ap
->a_content_type
) == NULL
)
312 else if (ascncasecmp(cp
, "text/", 5))
314 fprintf(obuf
, " - [%s, %s%s] %s\n", cp
, csi
, cs
, ap
->a_name
);
324 safe_signal(SIGINT
, sigint
);
329 exwrite(char const *name
, FILE *fp
, int f
)
337 printf("\"%s\" ", name
);
340 if ((of
= Fopen(name
, "a")) == NULL
) {
347 while ((c
= getc(fp
)) != EOF
) {
359 printf(_("%d/%ld\n"), lc
, cc
);
368 makeheader(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
)
375 if ((nf
= Ftmp(NULL
, "colhead", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==NULL
) {
376 n_perr(_("temporary mail edit file"), 0);
380 extract_header(fp
, hp
, checkaddr_err
);
382 while ((c
= getc(fp
)) != EOF
) /* XXX bytewise, yuck! */
388 if (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
)
397 mesedit(int c
, struct header
*hp
)
400 sighandler_type sigint
;
404 saved
= ok_blook(add_file_recipients
);
405 ok_bset(add_file_recipients
, TRU1
);
407 sigint
= safe_signal(SIGINT
, SIG_IGN
);
408 nf
= run_editor(_coll_fp
, (off_t
)-1, c
, FAL0
, hp
, NULL
, SEND_MBOX
, sigint
);
412 makeheader(nf
, hp
, NULL
);
414 fseek(nf
, 0L, SEEK_END
);
419 safe_signal(SIGINT
, sigint
);
421 ok_bset(add_file_recipients
, saved
);
429 sighandler_type sigint
;
432 sigint
= safe_signal(SIGINT
, SIG_IGN
);
434 if ((nf
= Ftmp(NULL
, "colpipe", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==NULL
) {
435 n_perr(_("temporary mail edit file"), 0);
439 /* stdin = current message. stdout = new message */
441 if (run_command(ok_vlook(SHELL
), 0, fileno(_coll_fp
), fileno(nf
), "-c",
442 cmd
, NULL
, 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 a_coll__hook_setter(void *arg
){ /* TODO v15: drop */
613 if((val
= detract(hp
->h_from
, GNAMEONLY
)) == NULL
)
615 ok_vset(compose_from
, val
);
616 if((val
= detract(hp
->h_sender
, 0)) == NULL
)
618 ok_vset(compose_sender
, val
);
619 if((val
= detract(hp
->h_to
, GNAMEONLY
)) == NULL
)
621 ok_vset(compose_to
, val
);
622 if((val
= detract(hp
->h_cc
, GNAMEONLY
)) == NULL
)
624 ok_vset(compose_cc
, val
);
625 if((val
= detract(hp
->h_bcc
, GNAMEONLY
)) == NULL
)
627 ok_vset(compose_bcc
, val
);
628 if((val
= hp
->h_subject
) == NULL
)
630 ok_vset(compose_subject
, val
);
635 collect(struct header
*hp
, int printheaders
, struct message
*mp
,
636 char *quotefile
, int doprefix
, si8_t
*checkaddr_err
)
638 struct ignoretab
*quoteig
;
640 int volatile escape
, getfields
;
641 char *linebuf
, *quote
;
643 size_t i
, linesize
; /* TODO line pool */
645 enum sendaction action
;
647 FILE * volatile sigfp
;
653 linebuf
= quote
= NULL
;
655 /* Start catching signals from here, but we're still die on interrupts
656 * until we're in the main loop */
658 sigprocmask(SIG_BLOCK
, &nset
, &oset
);
659 /* FIXME have dropped handlerpush() and localized onintr() in lex.c! */
660 if ((_coll_saveint
= safe_signal(SIGINT
, SIG_IGN
)) != SIG_IGN
)
661 safe_signal(SIGINT
, &_collint
);
662 if ((_coll_savehup
= safe_signal(SIGHUP
, SIG_IGN
)) != SIG_IGN
)
663 safe_signal(SIGHUP
, collhup
);
664 /* TODO We do a lot of redundant signal handling, especially
665 * TODO with the command line editor(s); try to merge this */
666 _coll_savetstp
= safe_signal(SIGTSTP
, collstop
);
667 _coll_savettou
= safe_signal(SIGTTOU
, collstop
);
668 _coll_savettin
= safe_signal(SIGTTIN
, collstop
);
669 if (sigsetjmp(_coll_abort
, 1))
671 if (sigsetjmp(_coll_jmp
, 1))
673 pstate
|= PS_RECURSED
;
674 sigprocmask(SIG_SETMASK
, &oset
, (sigset_t
*)NULL
);
677 if ((_coll_fp
= Ftmp(NULL
, "collect", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
679 n_perr(_("temporary mail file"), 0);
683 /* If we are going to prompt for a subject, refrain from printing a newline
684 * after the headers (since some people mind) */
686 if (!(options
& OPT_t_FLAG
)) {
687 t
= GTO
| GSUBJECT
| GCC
| GNL
;
688 if (ok_blook(fullnames
))
691 if (options
& OPT_INTERACTIVE
) {
692 if (hp
->h_subject
== NULL
&& (ok_blook(ask
) || ok_blook(asksub
)))
693 t
&= ~GNL
, getfields
|= GSUBJECT
;
695 if (hp
->h_to
== NULL
)
696 t
&= ~GNL
, getfields
|= GTO
;
698 if (!ok_blook(bsdcompat
) && !ok_blook(askatend
)) {
699 if (hp
->h_bcc
== NULL
&& ok_blook(askbcc
))
700 t
&= ~GNL
, getfields
|= GBCC
;
701 if (hp
->h_cc
== NULL
&& ok_blook(askcc
))
702 t
&= ~GNL
, getfields
|= GCC
;
707 escape
= ((cp
= ok_vlook(escape
)) != NULL
) ? *cp
: ESCAPE
;
710 if (!sigsetjmp(_coll_jmp
, 1)) {
711 /* Ask for some headers first, as necessary */
713 grab_headers(hp
, getfields
, 1);
715 /* Execute compose-enter TODO completely v15-compat intermediate!! */
716 if((cp
= ok_vlook(on_compose_enter
)) != NULL
){
717 setup_from_and_sender(hp
);
718 call_compose_mode_hook(cp
, &a_coll__hook_setter
, hp
);
722 char const *cp_obsolete
= ok_vlook(NAIL_HEAD
);
723 if(cp_obsolete
!= NULL
)
724 OBSOLETE(_("please use *message-inject-head* "
725 "instead of *NAIL_HEAD*"));
727 if(((cp
= ok_vlook(message_inject_head
)) != NULL
||
728 (cp
= cp_obsolete
) != NULL
) && putesc(cp
, _coll_fp
) < 0)
732 /* Quote an original message */
733 if (mp
!= NULL
&& (doprefix
|| (quote
= ok_vlook(quote
)) != NULL
)) {
738 if ((cp
= ok_vlook(fwdheading
)) == NULL
)
739 cp
= "-------- Original Message --------";
740 if (*cp
!= '\0' && fprintf(_coll_fp
, "%s\n", cp
) < 0)
742 } else if (!strcmp(quote
, "noheading")) {
744 } else if (!strcmp(quote
, "headers")) {
746 } else if (!strcmp(quote
, "allheaders")) {
748 action
= SEND_QUOTE_ALL
;
750 cp
= hfield1("from", mp
);
751 if (cp
!= NULL
&& (cnt
= (long)strlen(cp
)) > 0) {
752 if (xmime_write(cp
, cnt
, _coll_fp
, CONV_FROMHDR
, TD_NONE
) < 0)
754 if (fprintf(_coll_fp
, _(" wrote:\n\n")) < 0)
758 if (fflush(_coll_fp
))
762 else if ((cp
= ok_vlook(indentprefix
)) == NULL
)
764 if (sendmp(mp
, _coll_fp
, quoteig
, cp
, action
, NULL
) < 0)
768 if (quotefile
!= NULL
) {
769 if (_include_file(quotefile
, &lc
, &cc
, TRU1
, FAL0
) != 0)
773 if (options
& OPT_INTERACTIVE
) {
774 /* Print what we have sofar also on the terminal (if useful) */
775 if (!ok_blook(editalong
)) {
777 puthead(TRU1
, hp
, stdout
, t
, SEND_TODISP
, CONV_NONE
, NULL
, NULL
);
780 while ((c
= getc(_coll_fp
)) != EOF
) /* XXX bytewise, yuck! */
782 if (fseek(_coll_fp
, 0, SEEK_END
))
785 /* Ensure this is clean xxx not really necessary? */
794 /* Come here for printing the after-signal message. Duplicate messages
795 * won't be printed because the write is aborted if we get a SIGTTOU */
797 n_err(_("\n(Interrupt -- one more to kill letter)\n"));
800 printf(_("(continue)\n"));
805 /* No tilde escapes, interrupts not expected. Simply copy STDIN */
806 if (!(options
& (OPT_INTERACTIVE
| OPT_t_FLAG
| OPT_TILDE_FLAG
))) {
807 linebuf
= srealloc(linebuf
, linesize
= LINESIZE
);
808 while ((i
= fread(linebuf
, sizeof *linebuf
, linesize
, stdin
)) > 0) {
809 if (i
!= fwrite(linebuf
, sizeof *linebuf
, i
, _coll_fp
))
815 /* The interactive collect loop.
816 * All commands which come here are forbidden when sourcing! */
817 assert(_coll_hadintr
|| !(pstate
& PS_SOURCING
));
820 cnt
= n_lex_input("", FAL0
, &linebuf
, &linesize
, NULL
);
824 assert(!(pstate
& PS_SOURCING
));
825 if (options
& OPT_t_FLAG
) {
826 fflush_rewind(_coll_fp
);
827 /* It is important to set PS_t_FLAG before extract_header() *and*
828 * keep OPT_t_FLAG for the first parse of the message, too! */
830 if (makeheader(_coll_fp
, hp
, checkaddr_err
) != OKAY
)
832 options
&= ~OPT_t_FLAG
;
834 } else if ((options
& OPT_INTERACTIVE
) && ok_blook(ignoreeof
)) {
835 printf(_("*ignoreeof* set, use \"~.\" to terminate letter\n"));
843 if (cnt
== 0 || !(options
& (OPT_INTERACTIVE
| OPT_TILDE_FLAG
))) {
845 /* TODO calls putline(), which *always* appends LF;
846 * TODO thus, STDIN with -t will ALWAYS end with LF,
847 * TODO even if no trailing LF and QP encoding.
848 * TODO when finally changed, update cc-test.sh */
849 if (putline(_coll_fp
, linebuf
, cnt
) < 0)
852 } else if (linebuf
[0] == '.') {
853 if (linebuf
[1] == '\0' && (ok_blook(dot
) || ok_blook(ignoreeof
)))
856 if (linebuf
[0] != escape
)
859 if (!(options
& OPT_t_FLAG
))
860 n_tty_addhist(linebuf
, TRU1
);
865 /* On double escape, send a single one. Otherwise, it's an error */
867 if (putline(_coll_fp
, linebuf
+ 1, cnt
- 1) < 0)
872 n_err(_("Unknown tilde escape: ~%c\n"), asciichar(c
) ? c
: '?');
875 /* Shell escape, send the balance of line to sh -c */
876 c_shell(linebuf
+ 2);
881 /* Escape to command mode, but be nice! */
882 _execute_command(hp
, linebuf
+ 2, cnt
- 2);
885 /* Simulate end of file on input */
888 /* Same as 'q', but no *DEAD* saving */
891 /* Force a quit, act like an interrupt had happened */
893 _collint((c
== 'x') ? 0 : SIGINT
);
897 /* Grab a bunch of headers */
899 grab_headers(hp
, GTO
| GSUBJECT
| GCC
| GBCC
,
900 (ok_blook(bsdcompat
) && ok_blook(bsdorder
)));
901 while (hp
->h_to
== NULL
);
904 /* Grab extra headers */
906 grab_headers(hp
, GEXTRA
, 0);
907 while (check_from_and_sender(hp
->h_from
, hp
->h_sender
) == NULL
);
910 /* Add to the To list */
911 hp
->h_to
= cat(hp
->h_to
,
912 checkaddrs(lextract(linebuf
+ 2, GTO
| GFULL
), EACM_NORMAL
,
916 /* Set the Subject list */
918 while (whitechar(*cp
))
920 hp
->h_subject
= savestr(cp
);
922 #ifdef HAVE_MEMORY_DEBUG
928 /* Edit the attachment list */
929 if (linebuf
[2] != '\0')
930 append_attachments(&hp
->h_attach
, linebuf
+ 2);
932 edit_attachments(&hp
->h_attach
);
935 /* Add to the CC list */
936 hp
->h_cc
= cat(hp
->h_cc
,
937 checkaddrs(lextract(linebuf
+ 2, GCC
| GFULL
), EACM_NORMAL
,
941 /* Add stuff to blind carbon copies list */
942 hp
->h_bcc
= cat(hp
->h_bcc
,
943 checkaddrs(lextract(linebuf
+ 2, GBCC
| GFULL
), EACM_NORMAL
,
947 strncpy(linebuf
+ 2, getdeadletter(), linesize
- 2);
948 linebuf
[linesize
- 1] = '\0';
953 /* Invoke a file: Search for the file name, then open it and copy the
954 * contents to _coll_fp */
956 while (whitechar(*cp
))
959 n_err(_("Interpolate what file?\n"));
963 insertcommand(_coll_fp
, cp
+ 1);
966 if ((cp
= file_expand(cp
)) == NULL
)
969 n_err(_("\"%s\": Directory\n"), cp
);
972 printf(_("\"%s\" "), cp
);
974 if (_include_file(cp
, &lc
, &cc
, FAL0
, (c
== 'R')) != 0)
976 printf(_("%d/%d\n"), lc
, cc
);
979 /* Insert a variable into the file */
981 while (whitechar(*cp
))
983 if ((cp
= vok_vlook(cp
)) == NULL
|| *cp
== '\0')
985 if (putesc(cp
, _coll_fp
) < 0)
987 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
992 /* Insert the contents of a signature variable */
993 cp
= (c
== 'a') ? ok_vlook(sign
) : ok_vlook(Sign
);
994 if (cp
!= NULL
&& *cp
!= '\0') {
995 if (putesc(cp
, _coll_fp
) < 0)
997 if ((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
1002 /* Write the message on a file */
1004 while (blankchar(*cp
))
1006 if (*cp
== '\0' || (cp
= file_expand(cp
)) == NULL
) {
1007 n_err(_("Write what file!?\n"));
1011 if (exwrite(cp
, _coll_fp
, 1) < 0)
1020 /* Interpolate the named messages, if we are in receiving mail mode.
1021 * Does the standard list processing garbage. If ~f is given, we
1022 * don't shift over */
1023 if (forward(linebuf
+ 2, _coll_fp
, c
) < 0)
1027 /* Print current state of the message without altering anything */
1028 print_collf(_coll_fp
, hp
);
1031 /* Pipe message through command. Collect output as new message */
1033 mespipe(linebuf
+ 2);
1037 /* Edit the current message. 'e' -> use EDITOR, 'v' -> use VISUAL */
1039 mesedit(c
, ok_blook(editheaders
) ? hp
: NULL
);
1042 /* Last the lengthy help string. (Very ugly, but take care for
1043 * compiler supported string lengths :() */
1045 "TILDE ESCAPES (to be placed after a newline) excerpt:\n"
1046 "~. Commit and send message\n"
1047 "~: <command> Execute a mail command\n"
1048 "~<! <command> Insert output of command\n"
1049 "~@ [<files>] Edit attachment list\n"
1050 "~A Insert *Sign* variable (`~a' inserts *sign*)\n"
1051 "~c <users> Add users to Cc: list (`~b' for Bcc:)\n"
1052 "~d Read in *DEAD* (dead.letter)\n"
1053 "~e Edit message via *EDITOR*"
1056 "~F <msglist> Read in with headers, don't *indentprefix* lines\n"
1057 "~f <msglist> Like ~F, but honour `ignore' / `retain' configuration\n"
1058 "~H Edit From:, Reply-To: and Sender:\n"
1059 "~h Prompt for Subject:, To:, Cc: and \"blind\" Bcc:\n"
1060 "~i <variable> Insert a value and a newline\n"
1061 "~M <msglist> Read in with headers, *indentprefix* (`~m': `retain' etc.)\n"
1062 "~p Print current message compose buffer\n"
1063 "~r <file> Read in a file (`~R' *indentprefix* lines)"
1066 "~s <subject> Set Subject:\n"
1067 "~t <users> Add users to To: list\n"
1068 "~u <msglist> Read in message(s) without headers (`~U' indents lines)\n"
1069 "~v Edit message via *VISUAL*\n"
1070 "~w <file> Write message onto file\n"
1071 "~x Abort composition, discard message (`~q' saves in *DEAD*)\n"
1072 "~| <command> Pipe message through shell filter"
1079 /* Execute compose-leave TODO completely v15-compat intermediate!! */
1080 if((cp
= ok_vlook(on_compose_leave
)) != NULL
){
1081 setup_from_and_sender(hp
);
1082 call_compose_mode_hook(cp
, &a_coll__hook_setter
, hp
);
1085 /* Final change to edit headers, if not already above */
1086 if (ok_blook(bsdcompat
) || ok_blook(askatend
)) {
1087 if (hp
->h_cc
== NULL
&& ok_blook(askcc
))
1088 grab_headers(hp
, GCC
, 1);
1089 if (hp
->h_bcc
== NULL
&& ok_blook(askbcc
))
1090 grab_headers(hp
, GBCC
, 1);
1092 if (hp
->h_attach
== NULL
&& ok_blook(askattach
))
1093 edit_attachments(&hp
->h_attach
);
1095 /* Add automatic receivers */
1096 if ((cp
= ok_vlook(autocc
)) != NULL
&& *cp
!= '\0')
1097 hp
->h_cc
= cat(hp
->h_cc
, checkaddrs(lextract(cp
, GCC
| GFULL
),
1098 EACM_NORMAL
, checkaddr_err
));
1099 if ((cp
= ok_vlook(autobcc
)) != NULL
&& *cp
!= '\0')
1100 hp
->h_bcc
= cat(hp
->h_bcc
, checkaddrs(lextract(cp
, GBCC
| GFULL
),
1101 EACM_NORMAL
, checkaddr_err
));
1102 if (*checkaddr_err
!= 0)
1105 /* Place signature? */
1106 if((cp
= ok_vlook(signature
)) != NULL
&& *cp
!= '\0'){
1107 if((quote
= file_expand(cp
)) == NULL
){
1108 n_err(_("*signature* expands to invalid file: \"%s\"\n"), cp
);
1111 if((sigfp
= Fopen(cp
= quote
, "r")) == NULL
){
1112 n_err(_("Can't open *signature* \"%s\": %s\n"), cp
, strerror(errno
));
1117 linebuf
= smalloc(linesize
= LINESIZE
);
1119 while((i
= fread(linebuf
, sizeof *linebuf
, linesize
, UNVOLATILE(sigfp
)))
1122 if(i
!= fwrite(linebuf
, sizeof *linebuf
, i
, _coll_fp
))
1127 FILE *x
= UNVOLATILE(sigfp
);
1128 int e
= errno
, ise
= ferror(x
);
1134 n_err(_("Errors while reading *signature* \"%s\": %s\n"),
1140 if(c
!= '\0' && c
!= '\n')
1141 putc('\n', _coll_fp
);
1144 { char const *cp_obsolete
= ok_vlook(NAIL_TAIL
);
1146 if(cp_obsolete
!= NULL
)
1147 OBSOLETE(_("please use *message-inject-tail* instead of *NAIL_TAIL*"));
1149 if((cp
= ok_vlook(message_inject_tail
)) != NULL
||
1150 (cp
= cp_obsolete
) != NULL
){
1151 if(putesc(cp
, _coll_fp
) < 0)
1153 if((options
& OPT_INTERACTIVE
) && putesc(cp
, stdout
) < 0)
1158 if(fflush(_coll_fp
))
1163 if (linebuf
!= NULL
)
1167 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
1168 pstate
&= ~PS_RECURSED
;
1169 safe_signal(SIGINT
, _coll_saveint
);
1170 safe_signal(SIGHUP
, _coll_savehup
);
1171 safe_signal(SIGTSTP
, _coll_savetstp
);
1172 safe_signal(SIGTTOU
, _coll_savettou
);
1173 safe_signal(SIGTTIN
, _coll_savettin
);
1174 sigprocmask(SIG_SETMASK
, &oset
, NULL
);
1180 Fclose(UNVOLATILE(sigfp
));
1181 if (_coll_fp
!= NULL
) {
1189 savedeadletter(FILE *fp
, int fflush_rewind_first
)
1197 if ((options
& OPT_DEBUG
) || !ok_blook(save
))
1200 if (fflush_rewind_first
) {
1207 cp
= getdeadletter();
1209 dbuf
= Fopen(cp
, "a");
1216 printf("\"%s\" ", cp
);
1217 for (lines
= bytes
= 0; (c
= getc(fp
)) != EOF
; ++bytes
) {
1222 printf("%lu/%lu\n", lines
, bytes
);