3 * forw.c -- forward a message, or group of messages.
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
14 #include <h/fmt_scan.h>
19 #define IFORMAT "digest-issue-%s"
20 #define VFORMAT "digest-volume-%s"
22 static struct swit switches[] = {
28 { "draftfolder +folder", 0 },
30 { "draftmessage msg", 0 },
32 { "nodraftfolder", 0 },
34 { "editor editor", 0 },
38 { "filter filterfile", 0 },
40 { "form formfile", 0 },
56 { "issue number", 0 },
58 { "volume number", 0 },
60 { "whatnowproc program", 0 },
62 { "nowhatnowproc", 0 },
64 { "dashstuffing", 0 }, /* interface to mhl */
65 #define NBITSTUFFSW 21
66 { "nodashstuffing", 0 },
72 { "file file", 4 }, /* interface from msh */
76 { "build", 5 }, /* interface from mhe */
82 static struct swit aqrnl[] = {
90 { "refile +folder", 0 },
96 static struct swit aqrl[] = {
100 { "refile +folder", 0 },
104 static char drft[BUFSIZ];
106 static char delim3[] =
107 "\n------------------------------------------------------------\n\n";
108 static char delim4[] = "\n------------------------------\n\n";
111 static struct msgs *mp = NULL; /* used a lot */
117 static void mhl_draft (int, char *, int, int, char *, char *, int);
118 static void copy_draft (int, char *, char *, int, int, int);
119 static void copy_mime_draft (int);
120 static int build_form (char *, char *, int, int);
124 main (int argc, char **argv)
126 int msgp = 0, anot = 0, inplace = 1, mime = 0;
127 int issue = 0, volume = 0, dashstuff = 0;
128 int nedit = 0, nwhat = 0, i, in;
129 int out, isdf = 0, msgnum;
130 char *cp, *cwd, *maildir, *dfolder = NULL;
131 char *dmsg = NULL, *digest = NULL, *ed = NULL;
132 char *file = NULL, *filter = NULL, *folder = NULL;
133 char *form = NULL, buf[BUFSIZ], value[10];
134 char **argp, **arguments, *msgs[MAXARGS];
142 setlocale(LC_ALL, "");
144 invo_name = r1bindex (argv[0], '/');
146 /* read user profile/context */
149 arguments = getarguments (invo_name, argc, argv, 1);
152 while ((cp = *argp++)) {
154 switch (smatch (++cp, switches)) {
156 ambigsw (cp, switches);
159 adios (NULL, "-%s unknown", cp);
162 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
164 print_help (buf, switches, 1);
167 print_version(invo_name);
178 if (!(ed = *argp++) || *ed == '-')
179 adios (NULL, "missing argument to %s", argp[-2]);
187 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
188 adios (NULL, "missing argument to %s", argp[-2]);
193 buildsw++; /* fall... */
201 adios (NULL, "only one file at a time!");
202 if (!(cp = *argp++) || *cp == '-')
203 adios (NULL, "missing argument to %s", argp[-2]);
204 file = path (cp, TFILE);
207 if (!(cp = *argp++) || *cp == '-')
208 adios (NULL, "missing argument to %s", argp[-2]);
209 filter = getcpy (etcpath (cp));
213 if (!(form = *argp++) || *form == '-')
214 adios (NULL, "missing argument to %s", argp[-2]);
218 filter = getcpy (etcpath (mhlforward));
240 if (!(digest = *argp++) || *digest == '-')
241 adios (NULL, "missing argument to %s", argp[-2]);
245 if (!(cp = *argp++) || *cp == '-')
246 adios (NULL, "missing argument to %s", argp[-2]);
247 if ((issue = atoi (cp)) < 1)
248 adios (NULL, "bad argument %s %s", argp[-2], cp);
251 if (!(cp = *argp++) || *cp == '-')
252 adios (NULL, "missing argument to %s", argp[-2]);
253 if ((volume = atoi (cp)) < 1)
254 adios (NULL, "bad argument %s %s", argp[-2], cp);
259 adios (NULL, "only one draft folder at a time!");
260 if (!(cp = *argp++) || *cp == '-')
261 adios (NULL, "missing argument to %s", argp[-2]);
262 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
263 *cp != '@' ? TFOLDER : TSUBCWF);
267 adios (NULL, "only one draft message at a time!");
268 if (!(dmsg = *argp++) || *dmsg == '-')
269 adios (NULL, "missing argument to %s", argp[-2]);
277 dashstuff = 1; /* trinary logic */
280 dashstuff = -1; /* trinary logic */
284 if (*cp == '+' || *cp == '@') {
286 adios (NULL, "only one folder at a time!");
288 folder = pluspath (cp);
294 cwd = getcpy (pwd ());
296 if (!context_find ("path"))
297 free (path ("./", TFOLDER));
298 if (file && (msgp || folder))
299 adios (NULL, "can't mix files and folders/msgs");
304 strncpy (drft, buildsw ? m_maildir ("draft")
305 : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft));
307 /* Check if a draft already exists */
308 if (!buildsw && stat (drft, &st) != NOTOK) {
310 strncpy (drft, m_draft (dfolder, dmsg, NOUSE, &isdf), sizeof(drft));
312 /* Check if a draft already exists */
313 if (stat (drft, &st) != NOTOK) {
315 printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
316 for (i = LISTDSW; i != YESW;) {
317 if (!(argp = getans ("\nDisposition? ", isdf ? aqrnl : aqrl)))
319 switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) {
328 showfile (++argp, drft);
331 if (refile (++argp, drft) == 0)
335 advise (NULL, "say what?");
345 anot = 0; /* don't want to annotate a file */
348 * Forwarding a message.
351 msgs[msgp++] = "cur";
353 folder = getfolder (1);
354 maildir = m_maildir (folder);
356 if (chdir (maildir) == NOTOK)
357 adios (maildir, "unable to change directory to");
359 /* read folder and create message structure */
360 if (!(mp = folder_read (folder)))
361 adios (NULL, "unable to read folder %s", folder);
363 /* check for empty folder */
365 adios (NULL, "no messages in %s", folder);
367 /* parse all the message ranges/sequences and set SELECTED */
368 for (msgnum = 0; msgnum < msgp; msgnum++)
369 if (!m_convert (mp, msgs[msgnum]))
371 seq_setprev (mp); /* set the previous sequence */
374 if (filter && access (filter, R_OK) == NOTOK)
375 adios (filter, "unable to read");
378 * Open form (component) file.
382 snprintf (buf, sizeof(buf), IFORMAT, digest);
384 && (cp = context_find (buf))
385 && ((issue = atoi (cp)) < 0))
390 snprintf (buf, sizeof(buf), VFORMAT, digest);
391 if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0)
395 in = build_form (form, digest, volume, issue);
397 in = open_form(&form, forwcomps);
399 if ((out = creat (drft, m_gmprot ())) == NOTOK)
400 adios (drft, "unable to create");
403 * copy the components into the draft
405 cpydata (in, out, form, drft);
409 /* just copy the file into the draft */
410 if ((in = open (file, O_RDONLY)) == NOTOK)
411 adios (file, "unable to open");
412 cpydata (in, out, file, drft);
417 * If filter file is defined, then format the
418 * messages into the draft using mhlproc.
421 mhl_draft (out, digest, volume, issue, drft, filter, dashstuff);
423 copy_mime_draft (out);
425 copy_draft (out, digest, drft, volume, issue, dashstuff);
429 snprintf (buf, sizeof(buf), IFORMAT, digest);
430 snprintf (value, sizeof(value), "%d", issue);
431 context_replace (buf, getcpy (value));
432 snprintf (buf, sizeof(buf), VFORMAT, digest);
433 snprintf (value, sizeof(value), "%d", volume);
434 context_replace (buf, getcpy (value));
437 context_replace (pfolder, folder); /* update current folder */
438 seq_setcur (mp, mp->lowsel); /* update current message */
439 seq_save (mp); /* synchronize sequences */
440 context_save (); /* save the context file */
445 what_now (ed, nedit, NOUSE, drft, NULL, 0, mp,
446 anot ? "Forwarded" : NULL, inplace, cwd);
453 * Filter the messages you are forwarding, into the
454 * draft calling the mhlproc, and reading its output
459 mhl_draft (int out, char *digest, int volume, int issue,
460 char *file, char *filter, int dashstuff)
463 int i, msgnum, pd[2];
468 if (pipe (pd) == NOTOK)
469 adios ("pipe", "unable to create");
471 vec[0] = r1bindex (mhlproc, '/');
473 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
477 adios ("fork", "unable to");
485 vec[i++] = "-forwall";
490 vec[i++] = "-digest";
493 snprintf (buf1, sizeof(buf1), "%d", issue);
495 vec[i++] = "-volume";
496 snprintf (buf2, sizeof(buf2), "%d", volume);
501 * Are we dashstuffing (quoting) the lines that begin
502 * with `-'. We use the mhl default (don't add any flag)
503 * unless the user has specified a specific flag.
506 vec[i++] = "-dashstuffing";
507 else if (dashstuff < 0)
508 vec[i++] = "-nodashstuffing";
510 if (mp->numsel >= MAXARGS - i)
511 adios (NULL, "more than %d messages for %s exec",
512 MAXARGS - i, vec[0]);
515 * Now add the message names to filter. We can only
516 * handle about 995 messages (because vec is fixed size),
517 * but that should be plenty.
519 for (msgnum = mp->lowsel; msgnum <= mp->hghsel && i < sizeof(vec) - 1;
521 if (is_selected (mp, msgnum))
522 vec[i++] = getcpy (m_name (msgnum));
525 execvp (mhlproc, vec);
526 fprintf (stderr, "unable to exec ");
532 cpydata (pd[0], out, vec[0], file);
534 pidXwait(child_id, mhlproc);
541 * Copy the messages into the draft. The messages are
542 * not filtered through the mhlproc. Do dashstuffing if
547 copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff)
549 int fd,i, msgcnt, msgnum;
551 register char *bp, *msgnam;
555 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
556 if (is_selected (mp, msgnum)) {
558 strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4,
561 /* Get buffer ready to go */
563 buflen = sizeof(buffer);
565 strncpy (bp, "\n-------", buflen);
570 if (msgnum == mp->lowsel) {
571 snprintf (bp, buflen, " Forwarded Message%s",
572 mp->numsel > 1 ? "s" : "");
574 snprintf (bp, buflen, " Message %d", msgcnt);
580 strncpy (bp, "\n\n", buflen);
582 write (out, buffer, strlen (buffer));
584 if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
585 admonish (msgnam, "unable to read message");
590 * Copy the message. Add RFC934 quoting (dashstuffing)
591 * unless given the -nodashstuffing flag.
594 cpydgst (fd, out, msgnam, file);
596 cpydata (fd, out, msgnam, file);
604 strncpy (buffer, delim4, sizeof(buffer));
606 snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n\n",
607 mp->numsel > 1 ? "s" : "");
609 write (out, buffer, strlen (buffer));
612 snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n",
613 digest, volume, issue);
615 for (bp = buffer + i; i > 1; i--)
619 write (out, buffer, strlen (buffer));
625 * Create a mhn composition file for forwarding message.
629 copy_mime_draft (int out)
634 snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s",
635 mp->numsel == 1 ? "" : "s", mp->foldpath);
636 write (out, buffer, strlen (buffer));
637 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
638 if (is_selected (mp, msgnum)) {
639 snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum));
640 write (out, buffer, strlen (buffer));
642 write (out, "\n", 1);
647 build_form (char *form, char *digest, int volume, int issue)
652 char *line, tmpfil[BUFSIZ];
654 register struct comp *cptr;
658 /* Get new format string */
659 nfs = new_fs (form, NULL, NULL);
660 fmtsize = strlen (nfs) + 256;
662 /* Compile format string */
663 fmt_compile (nfs, &fmt);
665 FINDCOMP (cptr, "digest");
667 cptr->c_text = digest;
668 FINDCOMP (cptr, "date");
670 cptr->c_text = getcpy(dtimenow (0));
678 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
679 if ((tmp = fopen (tmpfil, "w+")) == NULL)
680 adios (tmpfil, "unable to create");
682 if ((in = dup (fileno (tmp))) == NOTOK)
683 adios ("dup", "unable to");
685 line = mh_xmalloc ((unsigned) fmtsize);
686 fmt_scan (fmt, line, fmtsize, dat);
690 adios (tmpfil, "error writing");
692 lseek (in, (off_t) 0, SEEK_SET);