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.
12 #include <h/fmt_scan.h>
17 #define IFORMAT "digest-issue-%s"
18 #define VFORMAT "digest-volume-%s"
20 static struct swit switches[] = {
26 { "draftfolder +folder", 0 },
28 { "draftmessage msg", 0 },
30 { "nodraftfolder", 0 },
32 { "editor editor", 0 },
36 { "filter filterfile", 0 },
38 { "form formfile", 0 },
54 { "issue number", 0 },
56 { "volume number", 0 },
58 { "whatnowproc program", 0 },
60 { "nowhatnowproc", 0 },
62 { "dashstuffing", 0 }, /* interface to mhl */
63 #define NBITSTUFFSW 21
64 { "nodashstuffing", 0 },
70 { "file file", 4 }, /* interface from msh */
74 { "build", 5 }, /* interface from mhe */
80 static struct swit aqrnl[] = {
88 { "refile +folder", 0 },
94 static struct swit aqrl[] = {
98 { "refile +folder", 0 },
102 static char drft[BUFSIZ];
104 static char delim3[] =
105 "\n------------------------------------------------------------\n\n";
106 static char delim4[] = "\n------------------------------\n\n";
109 static struct msgs *mp = NULL; /* used a lot */
115 static void mhl_draft (int, char *, int, int, char *, char *, int);
116 static void copy_draft (int, char *, char *, int, int, int);
117 static void copy_mime_draft (int);
118 static int build_form (char *, char *, int, int);
122 main (int argc, char **argv)
124 int msgp = 0, anot = 0, inplace = 1, mime = 0;
125 int issue = 0, volume = 0, dashstuff = 0;
126 int nedit = 0, nwhat = 0, i, in;
127 int out, isdf = 0, msgnum;
128 char *cp, *cwd, *maildir, *dfolder = NULL;
129 char *dmsg = NULL, *digest = NULL, *ed = NULL;
130 char *file = NULL, *filter = NULL, *folder = NULL;
131 char *form = NULL, buf[BUFSIZ], value[10];
132 char **argp, **arguments, *msgs[MAXARGS];
140 setlocale(LC_ALL, "");
142 invo_name = r1bindex (argv[0], '/');
144 /* read user profile/context */
147 arguments = getarguments (invo_name, argc, argv, 1);
150 while ((cp = *argp++)) {
152 switch (smatch (++cp, switches)) {
154 ambigsw (cp, switches);
157 adios (NULL, "-%s unknown", cp);
160 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
162 print_help (buf, switches, 1);
165 print_version(invo_name);
176 if (!(ed = *argp++) || *ed == '-')
177 adios (NULL, "missing argument to %s", argp[-2]);
185 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
186 adios (NULL, "missing argument to %s", argp[-2]);
191 buildsw++; /* fall... */
199 adios (NULL, "only one file at a time!");
200 if (!(cp = *argp++) || *cp == '-')
201 adios (NULL, "missing argument to %s", argp[-2]);
202 file = path (cp, TFILE);
205 if (!(cp = *argp++) || *cp == '-')
206 adios (NULL, "missing argument to %s", argp[-2]);
207 filter = getcpy (etcpath (cp));
211 if (!(form = *argp++) || *form == '-')
212 adios (NULL, "missing argument to %s", argp[-2]);
216 filter = getcpy (etcpath (mhlforward));
238 if (!(digest = *argp++) || *digest == '-')
239 adios (NULL, "missing argument to %s", argp[-2]);
243 if (!(cp = *argp++) || *cp == '-')
244 adios (NULL, "missing argument to %s", argp[-2]);
245 if ((issue = atoi (cp)) < 1)
246 adios (NULL, "bad argument %s %s", argp[-2], cp);
249 if (!(cp = *argp++) || *cp == '-')
250 adios (NULL, "missing argument to %s", argp[-2]);
251 if ((volume = atoi (cp)) < 1)
252 adios (NULL, "bad argument %s %s", argp[-2], cp);
257 adios (NULL, "only one draft folder at a time!");
258 if (!(cp = *argp++) || *cp == '-')
259 adios (NULL, "missing argument to %s", argp[-2]);
260 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
261 *cp != '@' ? TFOLDER : TSUBCWF);
265 adios (NULL, "only one draft message at a time!");
266 if (!(dmsg = *argp++) || *dmsg == '-')
267 adios (NULL, "missing argument to %s", argp[-2]);
275 dashstuff = 1; /* trinary logic */
278 dashstuff = -1; /* trinary logic */
282 if (*cp == '+' || *cp == '@') {
284 adios (NULL, "only one folder at a time!");
286 folder = pluspath (cp);
292 cwd = getcpy (pwd ());
294 if (!context_find ("path"))
295 free (path ("./", TFOLDER));
296 if (file && (msgp || folder))
297 adios (NULL, "can't mix files and folders/msgs");
302 strncpy (drft, buildsw ? m_maildir ("draft")
303 : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft));
305 /* Check if a draft already exists */
306 if (!buildsw && stat (drft, &st) != NOTOK) {
308 strncpy (drft, m_draft (dfolder, dmsg, NOUSE, &isdf), sizeof(drft));
310 /* Check if a draft already exists */
311 if (stat (drft, &st) != NOTOK) {
313 printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
314 for (i = LISTDSW; i != YESW;) {
315 if (!(argp = getans ("\nDisposition? ", isdf ? aqrnl : aqrl)))
317 switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) {
326 showfile (++argp, drft);
329 if (refile (++argp, drft) == 0)
333 advise (NULL, "say what?");
343 anot = 0; /* don't want to annotate a file */
346 * Forwarding a message.
349 msgs[msgp++] = "cur";
351 folder = getfolder (1);
352 maildir = m_maildir (folder);
354 if (chdir (maildir) == NOTOK)
355 adios (maildir, "unable to change directory to");
357 /* read folder and create message structure */
358 if (!(mp = folder_read (folder)))
359 adios (NULL, "unable to read folder %s", folder);
361 /* check for empty folder */
363 adios (NULL, "no messages in %s", folder);
365 /* parse all the message ranges/sequences and set SELECTED */
366 for (msgnum = 0; msgnum < msgp; msgnum++)
367 if (!m_convert (mp, msgs[msgnum]))
369 seq_setprev (mp); /* set the previous sequence */
372 if (filter && access (filter, R_OK) == NOTOK)
373 adios (filter, "unable to read");
376 * Open form (component) file.
380 snprintf (buf, sizeof(buf), IFORMAT, digest);
382 && (cp = context_find (buf))
383 && ((issue = atoi (cp)) < 0))
388 snprintf (buf, sizeof(buf), VFORMAT, digest);
389 if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0)
393 in = build_form (form, digest, volume, issue);
395 in = open_form(&form, forwcomps);
397 if ((out = creat (drft, m_gmprot ())) == NOTOK)
398 adios (drft, "unable to create");
401 * copy the components into the draft
403 cpydata (in, out, form, drft);
407 /* just copy the file into the draft */
408 if ((in = open (file, O_RDONLY)) == NOTOK)
409 adios (file, "unable to open");
410 cpydata (in, out, file, drft);
415 * If filter file is defined, then format the
416 * messages into the draft using mhlproc.
419 mhl_draft (out, digest, volume, issue, drft, filter, dashstuff);
421 copy_mime_draft (out);
423 copy_draft (out, digest, drft, volume, issue, dashstuff);
427 snprintf (buf, sizeof(buf), IFORMAT, digest);
428 snprintf (value, sizeof(value), "%d", issue);
429 context_replace (buf, getcpy (value));
430 snprintf (buf, sizeof(buf), VFORMAT, digest);
431 snprintf (value, sizeof(value), "%d", volume);
432 context_replace (buf, getcpy (value));
435 context_replace (pfolder, folder); /* update current folder */
436 seq_setcur (mp, mp->lowsel); /* update current message */
437 seq_save (mp); /* synchronize sequences */
438 context_save (); /* save the context file */
443 what_now (ed, nedit, NOUSE, drft, NULL, 0, mp,
444 anot ? "Forwarded" : NULL, inplace, cwd);
451 * Filter the messages you are forwarding, into the
452 * draft calling the mhlproc, and reading its output
457 mhl_draft (int out, char *digest, int volume, int issue,
458 char *file, char *filter, int dashstuff)
461 int i, msgnum, pd[2];
466 if (pipe (pd) == NOTOK)
467 adios ("pipe", "unable to create");
469 vec[0] = r1bindex (mhlproc, '/');
471 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
475 adios ("fork", "unable to");
483 vec[i++] = "-forwall";
488 vec[i++] = "-digest";
491 snprintf (buf1, sizeof(buf1), "%d", issue);
493 vec[i++] = "-volume";
494 snprintf (buf2, sizeof(buf2), "%d", volume);
499 * Are we dashstuffing (quoting) the lines that begin
500 * with `-'. We use the mhl default (don't add any flag)
501 * unless the user has specified a specific flag.
504 vec[i++] = "-dashstuffing";
505 else if (dashstuff < 0)
506 vec[i++] = "-nodashstuffing";
508 if (mp->numsel >= MAXARGS - i)
509 adios (NULL, "more than %d messages for %s exec",
510 MAXARGS - i, vec[0]);
513 * Now add the message names to filter. We can only
514 * handle about 995 messages (because vec is fixed size),
515 * but that should be plenty.
517 for (msgnum = mp->lowsel; msgnum <= mp->hghsel && i < sizeof(vec) - 1;
519 if (is_selected (mp, msgnum))
520 vec[i++] = getcpy (m_name (msgnum));
523 execvp (mhlproc, vec);
524 fprintf (stderr, "unable to exec ");
530 cpydata (pd[0], out, vec[0], file);
532 pidXwait(child_id, mhlproc);
539 * Copy the messages into the draft. The messages are
540 * not filtered through the mhlproc. Do dashstuffing if
545 copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff)
547 int fd,i, msgcnt, msgnum;
549 register char *bp, *msgnam;
553 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
554 if (is_selected (mp, msgnum)) {
556 strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4,
559 /* Get buffer ready to go */
561 buflen = sizeof(buffer);
563 strncpy (bp, "\n-------", buflen);
568 if (msgnum == mp->lowsel) {
569 snprintf (bp, buflen, " Forwarded Message%s",
570 mp->numsel > 1 ? "s" : "");
572 snprintf (bp, buflen, " Message %d", msgcnt);
578 strncpy (bp, "\n\n", buflen);
580 write (out, buffer, strlen (buffer));
582 if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
583 admonish (msgnam, "unable to read message");
588 * Copy the message. Add RFC934 quoting (dashstuffing)
589 * unless given the -nodashstuffing flag.
592 cpydgst (fd, out, msgnam, file);
594 cpydata (fd, out, msgnam, file);
602 strncpy (buffer, delim4, sizeof(buffer));
604 snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n\n",
605 mp->numsel > 1 ? "s" : "");
607 write (out, buffer, strlen (buffer));
610 snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n",
611 digest, volume, issue);
613 for (bp = buffer + i; i > 1; i--)
617 write (out, buffer, strlen (buffer));
623 * Create a mhn composition file for forwarding message.
627 copy_mime_draft (int out)
632 snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s",
633 mp->numsel == 1 ? "" : "s", mp->foldpath);
634 write (out, buffer, strlen (buffer));
635 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
636 if (is_selected (mp, msgnum)) {
637 snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum));
638 write (out, buffer, strlen (buffer));
640 write (out, "\n", 1);
645 build_form (char *form, char *digest, int volume, int issue)
650 char *line, tmpfil[BUFSIZ];
652 register struct comp *cptr;
657 /* Get new format string */
658 nfs = new_fs (form, NULL, NULL);
659 fmtsize = strlen (nfs) + 256;
661 /* Compile format string */
662 fmt_compile (nfs, &fmt);
664 FINDCOMP (cptr, "digest");
666 cptr->c_text = digest;
667 FINDCOMP (cptr, "date");
669 cptr->c_text = getcpy(dtimenow (0));
677 cp = m_mktemp2(NULL, invo_name, NULL, &tmp);
678 if (cp == NULL) adios("forw", "unable to create temporary file");
679 strncpy (tmpfil, cp, sizeof(tmpfil));
681 if ((in = dup (fileno (tmp))) == NOTOK)
682 adios ("dup", "unable to");
684 line = mh_xmalloc ((unsigned) fmtsize);
685 fmt_scan (fmt, line, fmtsize, dat);
689 adios (tmpfil, "error writing");
691 lseek (in, (off_t) 0, SEEK_SET);