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>
18 #define IFORMAT "digest-issue-%s"
19 #define VFORMAT "digest-volume-%s"
21 static struct swit switches[] = {
27 { "draftfolder +folder", 0 },
29 { "draftmessage msg", 0 },
31 { "nodraftfolder", 0 },
33 { "editor editor", 0 },
37 { "filter filterfile", 0 },
39 { "form formfile", 0 },
55 { "issue number", 0 },
57 { "volume number", 0 },
59 { "whatnowproc program", 0 },
61 { "nowhatnowproc", 0 },
63 { "dashstuffing", 0 }, /* interface to mhl */
64 #define NBITSTUFFSW 21
65 { "nodashstuffing", 0 },
71 { "file file", 4 }, /* interface from msh */
75 { "build", 5 }, /* interface from mhe */
81 static struct swit aqrnl[] = {
89 { "refile +folder", 0 },
95 static struct swit aqrl[] = {
99 { "refile +folder", 0 },
103 static char drft[BUFSIZ];
105 static char delim3[] =
106 "\n------------------------------------------------------------\n\n";
107 static char delim4[] = "\n------------------------------\n\n";
110 static struct msgs *mp = NULL; /* used a lot */
116 static void mhl_draft (int, char *, int, int, char *, char *, int);
117 static void copy_draft (int, char *, char *, int, int, int);
118 static void copy_mime_draft (int);
119 static int build_form (char *, char *, int, int);
123 main (int argc, char **argv)
125 int msgp = 0, anot = 0, inplace = 1, mime = 0;
126 int issue = 0, volume = 0, dashstuff = 0;
127 int nedit = 0, nwhat = 0, i, in;
128 int out, isdf = 0, msgnum;
129 char *cp, *cwd, *maildir, *dfolder = NULL;
130 char *dmsg = NULL, *digest = NULL, *ed = NULL;
131 char *file = NULL, *filter = NULL, *folder = NULL;
132 char *form = NULL, buf[BUFSIZ], value[10];
133 char **argp, **arguments, *msgs[MAXARGS];
141 setlocale(LC_ALL, "");
143 invo_name = r1bindex (argv[0], '/');
145 /* read user profile/context */
148 arguments = getarguments (invo_name, argc, argv, 1);
151 while ((cp = *argp++)) {
153 switch (smatch (++cp, switches)) {
155 ambigsw (cp, switches);
158 adios (NULL, "-%s unknown", cp);
161 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
163 print_help (buf, switches, 1);
166 print_version(invo_name);
177 if (!(ed = *argp++) || *ed == '-')
178 adios (NULL, "missing argument to %s", argp[-2]);
186 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
187 adios (NULL, "missing argument to %s", argp[-2]);
192 buildsw++; /* fall... */
200 adios (NULL, "only one file at a time!");
201 if (!(cp = *argp++) || *cp == '-')
202 adios (NULL, "missing argument to %s", argp[-2]);
203 file = path (cp, TFILE);
206 if (!(cp = *argp++) || *cp == '-')
207 adios (NULL, "missing argument to %s", argp[-2]);
208 filter = getcpy (etcpath (cp));
212 if (!(form = *argp++) || *form == '-')
213 adios (NULL, "missing argument to %s", argp[-2]);
217 filter = getcpy (etcpath (mhlforward));
239 if (!(digest = *argp++) || *digest == '-')
240 adios (NULL, "missing argument to %s", argp[-2]);
244 if (!(cp = *argp++) || *cp == '-')
245 adios (NULL, "missing argument to %s", argp[-2]);
246 if ((issue = atoi (cp)) < 1)
247 adios (NULL, "bad argument %s %s", argp[-2], cp);
250 if (!(cp = *argp++) || *cp == '-')
251 adios (NULL, "missing argument to %s", argp[-2]);
252 if ((volume = atoi (cp)) < 1)
253 adios (NULL, "bad argument %s %s", argp[-2], cp);
258 adios (NULL, "only one draft folder at a time!");
259 if (!(cp = *argp++) || *cp == '-')
260 adios (NULL, "missing argument to %s", argp[-2]);
261 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
262 *cp != '@' ? TFOLDER : TSUBCWF);
266 adios (NULL, "only one draft message at a time!");
267 if (!(dmsg = *argp++) || *dmsg == '-')
268 adios (NULL, "missing argument to %s", argp[-2]);
276 dashstuff = 1; /* trinary logic */
279 dashstuff = -1; /* trinary logic */
283 if (*cp == '+' || *cp == '@') {
285 adios (NULL, "only one folder at a time!");
287 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
293 cwd = getcpy (pwd ());
295 if (!context_find ("path"))
296 free (path ("./", TFOLDER));
297 if (file && (msgp || folder))
298 adios (NULL, "can't mix files and folders/msgs");
303 strncpy (drft, buildsw ? m_maildir ("draft")
304 : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft));
306 /* Check if a draft already exists */
307 if (!buildsw && stat (drft, &st) != NOTOK) {
309 strncpy (drft, m_draft (dfolder, dmsg, NOUSE, &isdf), sizeof(drft));
311 /* Check if a draft already exists */
312 if (stat (drft, &st) != NOTOK) {
314 printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
315 for (i = LISTDSW; i != YESW;) {
316 if (!(argp = getans ("\nDisposition? ", isdf ? aqrnl : aqrl)))
318 switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) {
327 showfile (++argp, drft);
330 if (refile (++argp, drft) == 0)
334 advise (NULL, "say what?");
344 anot = 0; /* don't want to annotate a file */
347 * Forwarding a message.
350 msgs[msgp++] = "cur";
352 folder = getfolder (1);
353 maildir = m_maildir (folder);
355 if (chdir (maildir) == NOTOK)
356 adios (maildir, "unable to change directory to");
358 /* read folder and create message structure */
359 if (!(mp = folder_read (folder)))
360 adios (NULL, "unable to read folder %s", folder);
362 /* check for empty folder */
364 adios (NULL, "no messages in %s", folder);
366 /* parse all the message ranges/sequences and set SELECTED */
367 for (msgnum = 0; msgnum < msgp; msgnum++)
368 if (!m_convert (mp, msgs[msgnum]))
370 seq_setprev (mp); /* set the previous sequence */
373 if (filter && access (filter, R_OK) == NOTOK)
374 adios (filter, "unable to read");
377 * Open form (component) file.
381 snprintf (buf, sizeof(buf), IFORMAT, digest);
383 && (cp = context_find (buf))
384 && ((issue = atoi (cp)) < 0))
389 snprintf (buf, sizeof(buf), VFORMAT, digest);
390 if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0)
394 in = build_form (form, digest, volume, issue);
397 if ((in = open (etcpath (form), O_RDONLY)) == NOTOK)
398 adios (form, "unable to open form file");
400 if ((in = open (etcpath (forwcomps), O_RDONLY)) == NOTOK)
401 adios (forwcomps, "unable to open default components file");
406 if ((out = creat (drft, m_gmprot ())) == NOTOK)
407 adios (drft, "unable to create");
410 * copy the components into the draft
412 cpydata (in, out, form, drft);
416 /* just copy the file into the draft */
417 if ((in = open (file, O_RDONLY)) == NOTOK)
418 adios (file, "unable to open");
419 cpydata (in, out, file, drft);
424 * If filter file is defined, then format the
425 * messages into the draft using mhlproc.
428 mhl_draft (out, digest, volume, issue, drft, filter, dashstuff);
430 copy_mime_draft (out);
432 copy_draft (out, digest, drft, volume, issue, dashstuff);
436 snprintf (buf, sizeof(buf), IFORMAT, digest);
437 snprintf (value, sizeof(value), "%d", issue);
438 context_replace (buf, getcpy (value));
439 snprintf (buf, sizeof(buf), VFORMAT, digest);
440 snprintf (value, sizeof(value), "%d", volume);
441 context_replace (buf, getcpy (value));
444 context_replace (pfolder, folder); /* update current folder */
445 seq_setcur (mp, mp->lowsel); /* update current message */
446 seq_save (mp); /* synchronize sequences */
447 context_save (); /* save the context file */
452 what_now (ed, nedit, NOUSE, drft, NULL, 0, mp,
453 anot ? "Forwarded" : NULL, inplace, cwd);
459 * Filter the messages you are forwarding, into the
460 * draft calling the mhlproc, and reading its output
465 mhl_draft (int out, char *digest, int volume, int issue,
466 char *file, char *filter, int dashstuff)
469 int i, msgnum, pd[2];
474 if (pipe (pd) == NOTOK)
475 adios ("pipe", "unable to create");
477 vec[0] = r1bindex (mhlproc, '/');
479 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
483 adios ("fork", "unable to");
491 vec[i++] = "-forwall";
496 vec[i++] = "-digest";
499 snprintf (buf1, sizeof(buf1), "%d", issue);
501 vec[i++] = "-volume";
502 snprintf (buf2, sizeof(buf2), "%d", volume);
507 * Are we dashstuffing (quoting) the lines that begin
508 * with `-'. We use the mhl default (don't add any flag)
509 * unless the user has specified a specific flag.
512 vec[i++] = "-dashstuffing";
513 else if (dashstuff < 0)
514 vec[i++] = "-nodashstuffing";
516 if (mp->numsel >= MAXARGS - i)
517 adios (NULL, "more than %d messages for %s exec",
518 vec[0], MAXARGS - i);
521 * Now add the message names to filter. We can only
522 * handle about 995 messages (because vec is fixed size),
523 * but that should be plenty.
525 for (msgnum = mp->lowsel; msgnum <= mp->hghsel && i < sizeof(vec) - 1;
527 if (is_selected (mp, msgnum))
528 vec[i++] = getcpy (m_name (msgnum));
531 execvp (mhlproc, vec);
532 fprintf (stderr, "unable to exec ");
538 cpydata (pd[0], out, vec[0], file);
540 pidXwait(child_id, mhlproc);
547 * Copy the messages into the draft. The messages are
548 * not filtered through the mhlproc. Do dashstuffing if
553 copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff)
555 int fd,i, msgcnt, msgnum;
557 register char *bp, *msgnam;
561 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
562 if (is_selected (mp, msgnum)) {
564 strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4,
567 /* Get buffer ready to go */
569 buflen = sizeof(buffer);
571 strncpy (bp, "\n-------", buflen);
576 if (msgnum == mp->lowsel) {
577 snprintf (bp, buflen, " Forwarded Message%s",
578 mp->numsel > 1 ? "s" : "");
580 snprintf (bp, buflen, " Message %d", msgcnt);
586 strncpy (bp, "\n\n", buflen);
588 write (out, buffer, strlen (buffer));
590 if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
591 admonish (msgnam, "unable to read message");
596 * Copy the message. Add RFC934 quoting (dashstuffing)
597 * unless given the -nodashstuffing flag.
600 cpydgst (fd, out, msgnam, file);
602 cpydata (fd, out, msgnam, file);
610 strncpy (buffer, delim4, sizeof(buffer));
612 snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n\n",
613 mp->numsel > 1 ? "s" : "");
615 write (out, buffer, strlen (buffer));
618 snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n",
619 digest, volume, issue);
621 for (bp = buffer + i; i > 1; i--)
625 write (out, buffer, strlen (buffer));
631 * Create a mhn composition file for forwarding message.
635 copy_mime_draft (int out)
640 snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s",
641 mp->numsel == 1 ? "" : "s", mp->foldpath);
642 write (out, buffer, strlen (buffer));
643 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
644 if (is_selected (mp, msgnum)) {
645 snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum));
646 write (out, buffer, strlen (buffer));
648 write (out, "\n", 1);
653 build_form (char *form, char *digest, int volume, int issue)
658 char *line, tmpfil[BUFSIZ];
660 register struct comp *cptr;
664 /* Get new format string */
665 nfs = new_fs (form, NULL, NULL);
666 fmtsize = strlen (nfs) + 256;
668 /* Compile format string */
669 fmt_compile (nfs, &fmt);
671 FINDCOMP (cptr, "digest");
673 cptr->c_text = digest;
674 FINDCOMP (cptr, "date");
676 cptr->c_text = getcpy(dtimenow (0));
684 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
685 if ((tmp = fopen (tmpfil, "w+")) == NULL)
686 adios (tmpfil, "unable to create");
688 if ((in = dup (fileno (tmp))) == NOTOK)
689 adios ("dup", "unable to");
691 if ((line = malloc ((unsigned) fmtsize)) == NULL)
692 adios (NULL, "unable to allocate format line storage");
693 fmt_scan (fmt, line, fmtsize, dat);
697 adios (tmpfil, "error writing");
699 lseek (in, (off_t) 0, SEEK_SET);