3 * forw.c -- forward a message, or group of messages.
5 * This code is Copyright (c) 2002, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
16 #define IFORMAT "digest-issue-%s"
17 #define VFORMAT "digest-volume-%s"
19 static struct swit switches[] = {
25 { "draftfolder +folder", 0 },
27 { "draftmessage msg", 0 },
29 { "nodraftfolder", 0 },
31 { "editor editor", 0 },
35 { "filter filterfile", 0 },
37 { "form formfile", 0 },
53 { "issue number", 0 },
55 { "volume number", 0 },
57 { "whatnowproc program", 0 },
59 { "nowhatnowproc", 0 },
61 { "dashstuffing", 0 }, /* interface to mhl */
62 #define NBITSTUFFSW 21
63 { "nodashstuffing", 0 },
69 { "file file", 4 }, /* interface from msh */
71 { "build", 5 }, /* interface from mhe */
73 { "from address", 0 },
79 { "subject text", 0 },
83 { "width columns", 0 },
87 static struct swit aqrnl[] = {
95 { "refile +folder", 0 },
101 static struct swit aqrl[] = {
105 { "refile +folder", 0 },
109 static char drft[BUFSIZ];
111 static char delim3[] =
112 "\n------------------------------------------------------------\n\n";
113 static char delim4[] = "\n------------------------------\n\n";
116 static struct msgs *mp = NULL; /* used a lot */
122 static void mhl_draft (int, char *, int, int, char *, char *, int);
123 static void copy_draft (int, char *, char *, int, int, int);
124 static void copy_mime_draft (int);
128 main (int argc, char **argv)
130 int anot = 0, inplace = 1, mime = 0;
131 int issue = 0, volume = 0, dashstuff = 0;
132 int nedit = 0, nwhat = 0, i, in;
133 int out, isdf = 0, msgnum = 0;
134 int outputlinelen = OUTPUTLINELEN;
136 char *cp, *cwd, *maildir, *dfolder = NULL;
137 char *dmsg = NULL, *digest = NULL, *ed = NULL;
138 char *file = NULL, *filter = NULL, *folder = NULL, *fwdmsg = NULL;
139 char *from = NULL, *to = NULL, *cc = NULL, *subject = NULL, *fcc = NULL;
140 char *form = NULL, buf[BUFSIZ], value[10];
141 char **argp, **arguments;
143 struct msgs_array msgs = { 0, 0, NULL };
148 setlocale(LC_ALL, "");
150 invo_name = r1bindex (argv[0], '/');
152 /* read user profile/context */
155 arguments = getarguments (invo_name, argc, argv, 1);
158 while ((cp = *argp++)) {
160 switch (smatch (++cp, switches)) {
162 ambigsw (cp, switches);
165 adios (NULL, "-%s unknown", cp);
168 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
170 print_help (buf, switches, 1);
173 print_version(invo_name);
184 if (!(ed = *argp++) || *ed == '-')
185 adios (NULL, "missing argument to %s", argp[-2]);
193 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
194 adios (NULL, "missing argument to %s", argp[-2]);
198 buildsw++; /* fall... */
205 adios (NULL, "only one file at a time!");
206 if (!(cp = *argp++) || *cp == '-')
207 adios (NULL, "missing argument to %s", argp[-2]);
208 file = path (cp, TFILE);
211 if (!(cp = *argp++) || *cp == '-')
212 adios (NULL, "missing argument to %s", argp[-2]);
213 filter = getcpy (etcpath (cp));
217 if (!(form = *argp++) || *form == '-')
218 adios (NULL, "missing argument to %s", argp[-2]);
222 filter = getcpy (etcpath (mhlforward));
244 if (!(cp = *argp++) || *cp == '-')
245 adios (NULL, "missing argument to %s", argp[-2]);
250 if (!(cp = *argp++) || *cp == '-')
251 adios (NULL, "missing argument to %s", argp[-2]);
252 if ((issue = atoi (cp)) < 1)
253 adios (NULL, "bad argument %s %s", argp[-2], cp);
256 if (!(cp = *argp++) || *cp == '-')
257 adios (NULL, "missing argument to %s", argp[-2]);
258 if ((volume = atoi (cp)) < 1)
259 adios (NULL, "bad argument %s %s", argp[-2], cp);
264 adios (NULL, "only one draft folder at a time!");
265 if (!(cp = *argp++) || *cp == '-')
266 adios (NULL, "missing argument to %s", argp[-2]);
267 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
268 *cp != '@' ? TFOLDER : TSUBCWF);
272 adios (NULL, "only one draft message at a time!");
273 if (!(dmsg = *argp++) || *dmsg == '-')
274 adios (NULL, "missing argument to %s", argp[-2]);
282 dashstuff = 1; /* trinary logic */
285 dashstuff = -1; /* trinary logic */
289 if (!(cp = *argp++) || *cp == '-')
290 adios (NULL, "missing argument to %s", argp[-2]);
291 from = addlist(from, cp);
294 if (!(cp = *argp++) || *cp == '-')
295 adios (NULL, "missing argument to %s", argp[-2]);
296 to = addlist(to, cp);
299 if (!(cp = *argp++) || *cp == '-')
300 adios (NULL, "missing argument to %s", argp[-2]);
301 cc = addlist(cc, cp);
304 if (!(cp = *argp++) || *cp == '-')
305 adios (NULL, "missing argument to %s", argp[-2]);
306 fcc = addlist(fcc, cp);
309 if (!(cp = *argp++) || *cp == '-')
310 adios (NULL, "missing argument to %s", argp[-2]);
311 subject = getcpy(cp);
315 if (!(cp = *argp++) || *cp == '-')
316 adios (NULL, "missing argument to %s", argp[-2]);
317 if ((outputlinelen = atoi(cp)) < 10)
318 adios (NULL, "impossible width %d", outputlinelen);
322 if (*cp == '+' || *cp == '@') {
324 adios (NULL, "only one folder at a time!");
326 folder = pluspath (cp);
328 app_msgarg(&msgs, cp);
332 cwd = getcpy (pwd ());
334 if (!context_find ("path"))
335 free (path ("./", TFOLDER));
336 if (file && (msgs.size || folder))
337 adios (NULL, "can't mix files and folders/msgs");
341 strncpy (drft, buildsw ? m_maildir ("draft")
342 : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft));
344 /* Check if a draft already exists */
345 if (!buildsw && stat (drft, &st) != NOTOK) {
346 printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
347 for (i = LISTDSW; i != YESW;) {
348 if (!(argp = getans ("\nDisposition? ", isdf ? aqrnl : aqrl)))
350 switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) {
359 showfile (++argp, drft);
362 if (refile (++argp, drft) == 0)
366 advise (NULL, "say what?");
376 anot = 0; /* don't want to annotate a file */
379 * Forwarding a message.
382 app_msgarg(&msgs, "cur");
384 folder = getfolder (1);
385 maildir = m_maildir (folder);
387 if (chdir (maildir) == NOTOK)
388 adios (maildir, "unable to change directory to");
390 /* read folder and create message structure */
391 if (!(mp = folder_read (folder)))
392 adios (NULL, "unable to read folder %s", folder);
394 /* check for empty folder */
396 adios (NULL, "no messages in %s", folder);
398 /* parse all the message ranges/sequences and set SELECTED */
399 for (msgnum = 0; msgnum < msgs.size; msgnum++)
400 if (!m_convert (mp, msgs.msgs[msgnum]))
403 seq_setprev (mp); /* set the previous sequence */
406 * Find the first message in our set and use it as the input
407 * for the component scanner
410 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
411 if (is_selected (mp, msgnum)) {
412 fwdmsg = strdup(m_name(msgnum));
417 adios (NULL, "Unable to find input message");
420 if (filter && access (filter, R_OK) == NOTOK)
421 adios (filter, "unable to read");
424 * Open form (component) file.
428 snprintf (buf, sizeof(buf), IFORMAT, digest);
430 && (cp = context_find (buf))
431 && ((issue = atoi (cp)) < 0))
436 snprintf (buf, sizeof(buf), VFORMAT, digest);
437 if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0)
447 dat[0] = digest ? issue : msgnum;
450 dat[3] = outputlinelen;
454 in = build_form (form, digest, dat, from, to, cc, fcc, subject,
455 file ? file : fwdmsg);
457 if ((out = creat (drft, m_gmprot ())) == NOTOK)
458 adios (drft, "unable to create");
461 * copy the components into the draft
463 cpydata (in, out, form, drft);
467 /* just copy the file into the draft */
468 if ((in = open (file, O_RDONLY)) == NOTOK)
469 adios (file, "unable to open");
470 cpydata (in, out, file, drft);
475 * If filter file is defined, then format the
476 * messages into the draft using mhlproc.
479 mhl_draft (out, digest, volume, issue, drft, filter, dashstuff);
481 copy_mime_draft (out);
483 copy_draft (out, digest, drft, volume, issue, dashstuff);
487 snprintf (buf, sizeof(buf), IFORMAT, digest);
488 snprintf (value, sizeof(value), "%d", issue);
489 context_replace (buf, getcpy (value));
490 snprintf (buf, sizeof(buf), VFORMAT, digest);
491 snprintf (value, sizeof(value), "%d", volume);
492 context_replace (buf, getcpy (value));
495 context_replace (pfolder, folder); /* update current folder */
496 seq_setcur (mp, mp->lowsel); /* update current message */
497 seq_save (mp); /* synchronize sequences */
498 context_save (); /* save the context file */
503 what_now (ed, nedit, NOUSE, drft, NULL, 0, mp,
504 anot ? "Forwarded" : NULL, inplace, cwd, 0);
511 * Filter the messages you are forwarding, into the
512 * draft calling the mhlproc, and reading its output
517 mhl_draft (int out, char *digest, int volume, int issue,
518 char *file, char *filter, int dashstuff)
521 int i, msgnum, pd[2];
524 struct msgs_array vec = { 0, 0, NULL };
526 if (pipe (pd) == NOTOK)
527 adios ("pipe", "unable to create");
529 app_msgarg(&vec, r1bindex (mhlproc, '/'));
531 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
536 adios ("fork", "unable to");
544 app_msgarg(&vec, "-forwall");
545 app_msgarg(&vec, "-form");
546 app_msgarg(&vec, filter);
549 app_msgarg(&vec, "-digest");
550 app_msgarg(&vec, digest);
551 app_msgarg(&vec, "-issue");
552 snprintf (buf1, sizeof(buf1), "%d", issue);
553 app_msgarg(&vec, buf1);
554 app_msgarg(&vec, "-volume");
555 snprintf (buf2, sizeof(buf2), "%d", volume);
556 app_msgarg(&vec, buf2);
560 * Are we dashstuffing (quoting) the lines that begin
561 * with `-'. We use the mhl default (don't add any flag)
562 * unless the user has specified a specific flag.
565 app_msgarg(&vec, "-dashstuffing");
566 else if (dashstuff < 0)
567 app_msgarg(&vec, "-nodashstuffing");
569 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
570 if (is_selected (mp, msgnum))
571 app_msgarg(&vec, getcpy (m_name (msgnum)));
574 app_msgarg(&vec, NULL);
576 execvp (mhlproc, vec.msgs);
577 fprintf (stderr, "unable to exec ");
583 cpydata (pd[0], out, vec.msgs[0], file);
585 pidXwait(child_id, mhlproc);
592 * Copy the messages into the draft. The messages are
593 * not filtered through the mhlproc. Do dashstuffing if
598 copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff)
600 int fd,i, msgcnt, msgnum;
602 register char *bp, *msgnam;
606 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
607 if (is_selected (mp, msgnum)) {
609 strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4,
612 /* Get buffer ready to go */
614 buflen = sizeof(buffer);
616 strncpy (bp, "\n-------", buflen);
621 if (msgnum == mp->lowsel) {
622 snprintf (bp, buflen, " Forwarded Message%s",
623 mp->numsel > 1 ? "s" : "");
625 snprintf (bp, buflen, " Message %d", msgcnt);
631 strncpy (bp, "\n\n", buflen);
633 write (out, buffer, strlen (buffer));
635 if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
636 admonish (msgnam, "unable to read message");
641 * Copy the message. Add RFC934 quoting (dashstuffing)
642 * unless given the -nodashstuffing flag.
645 cpydgst (fd, out, msgnam, file);
647 cpydata (fd, out, msgnam, file);
655 strncpy (buffer, delim4, sizeof(buffer));
657 snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n",
658 mp->numsel > 1 ? "s" : "");
660 write (out, buffer, strlen (buffer));
663 snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n",
664 digest, volume, issue);
666 for (bp = buffer + i; i > 1; i--)
670 write (out, buffer, strlen (buffer));
676 * Create a mhn composition file for forwarding message.
680 copy_mime_draft (int out)
685 snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s",
686 mp->numsel == 1 ? "" : "s", mp->foldpath);
687 write (out, buffer, strlen (buffer));
688 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
689 if (is_selected (mp, msgnum)) {
690 snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum));
691 write (out, buffer, strlen (buffer));
693 write (out, "\n", 1);