3 * forw.c -- forward a message, or group of messages.
10 #include <h/fmt_scan.h>
11 #include <zotnet/tws/tws.h>
14 #define IFORMAT "digest-issue-%s"
15 #define VFORMAT "digest-volume-%s"
17 static struct swit switches[] = {
23 { "draftfolder +folder", 0 },
25 { "draftmessage msg", 0 },
27 { "nodraftfolder", 0 },
29 { "editor editor", 0 },
33 { "filter filterfile", 0 },
35 { "form formfile", 0 },
51 { "issue number", 0 },
53 { "volume number", 0 },
55 { "whatnowproc program", 0 },
57 { "nowhatnowproc", 0 },
59 { "dashstuffing", 0 }, /* interface to mhl */
60 #define NBITSTUFFSW 21
61 { "nodashstuffing", 0 },
67 { "file file", -4 }, /* interface from msh */
71 { "build", -5 }, /* interface from mhe */
77 static struct swit aqrnl[] = {
85 { "refile +folder", 0 },
91 static struct swit aqrl[] = {
95 { "refile +folder", 0 },
99 static char drft[BUFSIZ];
101 static char delim3[] =
102 "\n------------------------------------------------------------\n\n";
103 static char delim4[] = "\n------------------------------\n\n";
106 static struct msgs *mp = NULL; /* used a lot */
112 static void mhl_draft (int, char *, int, int, char *, char *, int);
113 static void copy_draft (int, char *, char *, int, int, int);
114 static void copy_mime_draft (int);
115 static int build_form (char *, char *, int, int);
119 main (int argc, char **argv)
121 int msgp = 0, anot = 0, inplace = 1, mime = 0;
122 int issue = 0, volume = 0, dashstuff = 0;
123 int nedit = 0, nwhat = 0, i, in;
124 int out, isdf = 0, msgnum;
125 char *cp, *cwd, *maildir, *dfolder = NULL;
126 char *dmsg = NULL, *digest = NULL, *ed = NULL;
127 char *file = NULL, *filter = NULL, *folder = NULL;
128 char *form = NULL, buf[BUFSIZ], value[10];
129 char **argp, **arguments, *msgs[MAXARGS];
137 setlocale(LC_ALL, "");
139 invo_name = r1bindex (argv[0], '/');
141 /* read user profile/context */
144 arguments = getarguments (invo_name, argc, argv, 1);
147 while ((cp = *argp++)) {
149 switch (smatch (++cp, switches)) {
151 ambigsw (cp, switches);
154 adios (NULL, "-%s unknown", cp);
157 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
159 print_help (buf, switches, 1);
162 print_version(invo_name);
173 if (!(ed = *argp++) || *ed == '-')
174 adios (NULL, "missing argument to %s", argp[-2]);
182 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
183 adios (NULL, "missing argument to %s", argp[-2]);
188 buildsw++; /* fall... */
196 adios (NULL, "only one file at a time!");
197 if (!(cp = *argp++) || *cp == '-')
198 adios (NULL, "missing argument to %s", argp[-2]);
199 file = path (cp, TFILE);
202 if (!(cp = *argp++) || *cp == '-')
203 adios (NULL, "missing argument to %s", argp[-2]);
204 filter = getcpy (etcpath (cp));
208 if (!(form = *argp++) || *form == '-')
209 adios (NULL, "missing argument to %s", argp[-2]);
213 filter = getcpy (etcpath (mhlforward));
235 if (!(digest = *argp++) || *digest == '-')
236 adios (NULL, "missing argument to %s", argp[-2]);
240 if (!(cp = *argp++) || *cp == '-')
241 adios (NULL, "missing argument to %s", argp[-2]);
242 if ((issue = atoi (cp)) < 1)
243 adios (NULL, "bad argument %s %s", argp[-2], cp);
246 if (!(cp = *argp++) || *cp == '-')
247 adios (NULL, "missing argument to %s", argp[-2]);
248 if ((volume = atoi (cp)) < 1)
249 adios (NULL, "bad argument %s %s", argp[-2], cp);
254 adios (NULL, "only one draft folder at a time!");
255 if (!(cp = *argp++) || *cp == '-')
256 adios (NULL, "missing argument to %s", argp[-2]);
257 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
258 *cp != '@' ? TFOLDER : TSUBCWF);
262 adios (NULL, "only one draft message at a time!");
263 if (!(dmsg = *argp++) || *dmsg == '-')
264 adios (NULL, "missing argument to %s", argp[-2]);
272 dashstuff = 1; /* trinary logic */
275 dashstuff = -1; /* trinary logic */
279 if (*cp == '+' || *cp == '@') {
281 adios (NULL, "only one folder at a time!");
283 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
289 cwd = getcpy (pwd ());
291 if (!context_find ("path"))
292 free (path ("./", TFOLDER));
293 if (file && (msgp || folder))
294 adios (NULL, "can't mix files and folders/msgs");
299 strncpy (drft, buildsw ? m_maildir ("draft")
300 : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft));
302 /* Check if a draft already exists */
303 if (!buildsw && stat (drft, &st) != NOTOK) {
305 strncpy (drft, m_draft (dfolder, dmsg, NOUSE, &isdf), sizeof(drft));
307 /* Check if a draft already exists */
308 if (stat (drft, &st) != NOTOK) {
310 printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
311 for (i = LISTDSW; i != YESW;) {
312 if (!(argp = getans ("\nDisposition? ", isdf ? aqrnl : aqrl)))
314 switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) {
323 showfile (++argp, drft);
326 if (refile (++argp, drft) == 0)
330 advise (NULL, "say what?");
340 anot = 0; /* don't want to annotate a file */
343 * Forwarding a message.
346 msgs[msgp++] = "cur";
348 folder = getfolder (1);
349 maildir = m_maildir (folder);
351 if (chdir (maildir) == NOTOK)
352 adios (maildir, "unable to change directory to");
354 /* read folder and create message structure */
355 if (!(mp = folder_read (folder)))
356 adios (NULL, "unable to read folder %s", folder);
358 /* check for empty folder */
360 adios (NULL, "no messages in %s", folder);
362 /* parse all the message ranges/sequences and set SELECTED */
363 for (msgnum = 0; msgnum < msgp; msgnum++)
364 if (!m_convert (mp, msgs[msgnum]))
366 seq_setprev (mp); /* set the previous sequence */
369 if (filter && access (filter, R_OK) == NOTOK)
370 adios (filter, "unable to read");
373 * Open form (component) file.
377 snprintf (buf, sizeof(buf), IFORMAT, digest);
379 && (cp = context_find (buf))
380 && ((issue = atoi (cp)) < 0))
385 snprintf (buf, sizeof(buf), VFORMAT, digest);
386 if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0)
390 in = build_form (form, digest, volume, issue);
393 if ((in = open (etcpath (form), O_RDONLY)) == NOTOK)
394 adios (form, "unable to open form file");
396 if ((in = open (etcpath (forwcomps), O_RDONLY)) == NOTOK)
397 adios (forwcomps, "unable to open default components file");
402 if ((out = creat (drft, m_gmprot ())) == NOTOK)
403 adios (drft, "unable to create");
406 * copy the components into the draft
408 cpydata (in, out, form, drft);
412 /* just copy the file into the draft */
413 if ((in = open (file, O_RDONLY)) == NOTOK)
414 adios (file, "unable to open");
415 cpydata (in, out, file, drft);
420 * If filter file is defined, then format the
421 * messages into the draft using mhlproc.
424 mhl_draft (out, digest, volume, issue, drft, filter, dashstuff);
426 copy_mime_draft (out);
428 copy_draft (out, digest, drft, volume, issue, dashstuff);
432 snprintf (buf, sizeof(buf), IFORMAT, digest);
433 snprintf (value, sizeof(value), "%d", issue);
434 context_replace (buf, getcpy (value));
435 snprintf (buf, sizeof(buf), VFORMAT, digest);
436 snprintf (value, sizeof(value), "%d", volume);
437 context_replace (buf, getcpy (value));
440 context_replace (pfolder, folder); /* update current folder */
441 seq_setcur (mp, mp->lowsel); /* update current message */
442 seq_save (mp); /* synchronize sequences */
443 context_save (); /* save the context file */
448 what_now (ed, nedit, NOUSE, drft, NULL, 0, mp,
449 anot ? "Forwarded" : NULL, inplace, cwd);
455 * Filter the messages you are forwarding, into the
456 * draft calling the mhlproc, and reading its output
461 mhl_draft (int out, char *digest, int volume, int issue,
462 char *file, char *filter, int dashstuff)
465 int i, msgnum, pd[2];
470 if (pipe (pd) == NOTOK)
471 adios ("pipe", "unable to create");
473 vec[0] = r1bindex (mhlproc, '/');
475 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
479 adios ("fork", "unable to");
487 vec[i++] = "-forwall";
492 vec[i++] = "-digest";
495 snprintf (buf1, sizeof(buf1), "%d", issue);
497 vec[i++] = "-volume";
498 snprintf (buf2, sizeof(buf2), "%d", volume);
503 * Are we dashstuffing (quoting) the lines that begin
504 * with `-'. We use the mhl default (don't add any flag)
505 * unless the user has specified a specific flag.
508 vec[i++] = "-dashstuffing";
509 else if (dashstuff < 0)
510 vec[i++] = "-nodashstuffing";
512 if (mp->numsel >= MAXARGS - i)
513 adios (NULL, "more than %d messages for %s exec",
514 vec[0], MAXARGS - i);
517 * Now add the message names to filter. We can only
518 * handle about 995 messages (because vec is fixed size),
519 * but that should be plenty.
521 for (msgnum = mp->lowsel; msgnum <= mp->hghsel && i < sizeof(vec) - 1;
523 if (is_selected (mp, msgnum))
524 vec[i++] = getcpy (m_name (msgnum));
527 execvp (mhlproc, vec);
528 fprintf (stderr, "unable to exec ");
534 cpydata (pd[0], out, vec[0], file);
536 pidXwait(child_id, mhlproc);
543 * Copy the messages into the draft. The messages are
544 * not filtered through the mhlproc. Do dashstuffing if
549 copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff)
551 int fd,i, msgcnt, msgnum;
553 register char *bp, *msgnam;
557 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
558 if (is_selected (mp, msgnum)) {
560 strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4,
563 /* Get buffer ready to go */
565 buflen = sizeof(buffer);
567 strncpy (bp, "\n-------", buflen);
572 if (msgnum == mp->lowsel) {
573 snprintf (bp, buflen, " Forwarded Message%s",
574 mp->numsel > 1 ? "s" : "");
576 snprintf (bp, buflen, " Message %d", msgcnt);
582 strncpy (bp, "\n\n", buflen);
584 write (out, buffer, strlen (buffer));
586 if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
587 admonish (msgnam, "unable to read message");
592 * Copy the message. Add RFC934 quoting (dashstuffing)
593 * unless given the -nodashstuffing flag.
596 cpydgst (fd, out, msgnam, file);
598 cpydata (fd, out, msgnam, file);
606 strncpy (buffer, delim4, sizeof(buffer));
608 snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n\n",
609 mp->numsel > 1 ? "s" : "");
611 write (out, buffer, strlen (buffer));
614 snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n",
615 digest, volume, issue);
617 for (bp = buffer + i; i > 1; i--)
621 write (out, buffer, strlen (buffer));
627 * Create a mhn composition file for forwarding message.
631 copy_mime_draft (int out)
636 snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s",
637 mp->numsel == 1 ? "" : "s", mp->foldpath);
638 write (out, buffer, strlen (buffer));
639 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
640 if (is_selected (mp, msgnum)) {
641 snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum));
642 write (out, buffer, strlen (buffer));
644 write (out, "\n", 1);
649 build_form (char *form, char *digest, int volume, int issue)
654 char *line, tmpfil[BUFSIZ];
656 register struct comp *cptr;
660 /* Get new format string */
661 nfs = new_fs (form, NULL, NULL);
662 fmtsize = strlen (nfs) + 256;
664 /* Compile format string */
665 fmt_compile (nfs, &fmt);
667 FINDCOMP (cptr, "digest");
669 cptr->c_text = digest;
670 FINDCOMP (cptr, "date");
672 cptr->c_text = getcpy(dtimenow (0));
680 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
681 if ((tmp = fopen (tmpfil, "w+")) == NULL)
682 adios (tmpfil, "unable to create");
684 if ((in = dup (fileno (tmp))) == NOTOK)
685 adios ("dup", "unable to");
687 if ((line = malloc ((unsigned) fmtsize)) == NULL)
688 adios (NULL, "unable to allocate format line storage");
689 fmt_scan (fmt, line, fmtsize, dat);
693 adios (tmpfil, "error writing");
695 lseek (in, (off_t) 0, SEEK_SET);