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 */
72 { "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];
135 setlocale(LC_ALL, "");
137 invo_name = r1bindex (argv[0], '/');
139 /* read user profile/context */
142 arguments = getarguments (invo_name, argc, argv, 1);
145 while ((cp = *argp++)) {
147 switch (smatch (++cp, switches)) {
149 ambigsw (cp, switches);
152 adios (NULL, "-%s unknown", cp);
155 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
157 print_help (buf, switches, 1);
160 print_version(invo_name);
171 if (!(ed = *argp++) || *ed == '-')
172 adios (NULL, "missing argument to %s", argp[-2]);
180 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
181 adios (NULL, "missing argument to %s", argp[-2]);
185 buildsw++; /* fall... */
192 adios (NULL, "only one file at a time!");
193 if (!(cp = *argp++) || *cp == '-')
194 adios (NULL, "missing argument to %s", argp[-2]);
195 file = path (cp, TFILE);
198 if (!(cp = *argp++) || *cp == '-')
199 adios (NULL, "missing argument to %s", argp[-2]);
200 filter = getcpy (etcpath (cp));
204 if (!(form = *argp++) || *form == '-')
205 adios (NULL, "missing argument to %s", argp[-2]);
209 filter = getcpy (etcpath (mhlforward));
231 if (!(digest = *argp++) || *digest == '-')
232 adios (NULL, "missing argument to %s", argp[-2]);
236 if (!(cp = *argp++) || *cp == '-')
237 adios (NULL, "missing argument to %s", argp[-2]);
238 if ((issue = atoi (cp)) < 1)
239 adios (NULL, "bad argument %s %s", argp[-2], cp);
242 if (!(cp = *argp++) || *cp == '-')
243 adios (NULL, "missing argument to %s", argp[-2]);
244 if ((volume = atoi (cp)) < 1)
245 adios (NULL, "bad argument %s %s", argp[-2], cp);
250 adios (NULL, "only one draft folder at a time!");
251 if (!(cp = *argp++) || *cp == '-')
252 adios (NULL, "missing argument to %s", argp[-2]);
253 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
254 *cp != '@' ? TFOLDER : TSUBCWF);
258 adios (NULL, "only one draft message at a time!");
259 if (!(dmsg = *argp++) || *dmsg == '-')
260 adios (NULL, "missing argument to %s", argp[-2]);
268 dashstuff = 1; /* trinary logic */
271 dashstuff = -1; /* trinary logic */
275 if (*cp == '+' || *cp == '@') {
277 adios (NULL, "only one folder at a time!");
279 folder = pluspath (cp);
285 cwd = getcpy (pwd ());
287 if (!context_find ("path"))
288 free (path ("./", TFOLDER));
289 if (file && (msgp || folder))
290 adios (NULL, "can't mix files and folders/msgs");
294 strncpy (drft, buildsw ? m_maildir ("draft")
295 : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft));
297 /* Check if a draft already exists */
298 if (!buildsw && stat (drft, &st) != NOTOK) {
299 printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
300 for (i = LISTDSW; i != YESW;) {
301 if (!(argp = getans ("\nDisposition? ", isdf ? aqrnl : aqrl)))
303 switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) {
312 showfile (++argp, drft);
315 if (refile (++argp, drft) == 0)
319 advise (NULL, "say what?");
329 anot = 0; /* don't want to annotate a file */
332 * Forwarding a message.
335 msgs[msgp++] = "cur";
337 folder = getfolder (1);
338 maildir = m_maildir (folder);
340 if (chdir (maildir) == NOTOK)
341 adios (maildir, "unable to change directory to");
343 /* read folder and create message structure */
344 if (!(mp = folder_read (folder)))
345 adios (NULL, "unable to read folder %s", folder);
347 /* check for empty folder */
349 adios (NULL, "no messages in %s", folder);
351 /* parse all the message ranges/sequences and set SELECTED */
352 for (msgnum = 0; msgnum < msgp; msgnum++)
353 if (!m_convert (mp, msgs[msgnum]))
355 seq_setprev (mp); /* set the previous sequence */
358 if (filter && access (filter, R_OK) == NOTOK)
359 adios (filter, "unable to read");
362 * Open form (component) file.
366 snprintf (buf, sizeof(buf), IFORMAT, digest);
368 && (cp = context_find (buf))
369 && ((issue = atoi (cp)) < 0))
374 snprintf (buf, sizeof(buf), VFORMAT, digest);
375 if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0)
379 in = build_form (form, digest, volume, issue);
381 in = open_form(&form, forwcomps);
383 if ((out = creat (drft, m_gmprot ())) == NOTOK)
384 adios (drft, "unable to create");
387 * copy the components into the draft
389 cpydata (in, out, form, drft);
393 /* just copy the file into the draft */
394 if ((in = open (file, O_RDONLY)) == NOTOK)
395 adios (file, "unable to open");
396 cpydata (in, out, file, drft);
401 * If filter file is defined, then format the
402 * messages into the draft using mhlproc.
405 mhl_draft (out, digest, volume, issue, drft, filter, dashstuff);
407 copy_mime_draft (out);
409 copy_draft (out, digest, drft, volume, issue, dashstuff);
413 snprintf (buf, sizeof(buf), IFORMAT, digest);
414 snprintf (value, sizeof(value), "%d", issue);
415 context_replace (buf, getcpy (value));
416 snprintf (buf, sizeof(buf), VFORMAT, digest);
417 snprintf (value, sizeof(value), "%d", volume);
418 context_replace (buf, getcpy (value));
421 context_replace (pfolder, folder); /* update current folder */
422 seq_setcur (mp, mp->lowsel); /* update current message */
423 seq_save (mp); /* synchronize sequences */
424 context_save (); /* save the context file */
429 what_now (ed, nedit, NOUSE, drft, NULL, 0, mp,
430 anot ? "Forwarded" : NULL, inplace, cwd);
437 * Filter the messages you are forwarding, into the
438 * draft calling the mhlproc, and reading its output
443 mhl_draft (int out, char *digest, int volume, int issue,
444 char *file, char *filter, int dashstuff)
447 int i, msgnum, pd[2];
452 if (pipe (pd) == NOTOK)
453 adios ("pipe", "unable to create");
455 vec[0] = r1bindex (mhlproc, '/');
457 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
461 adios ("fork", "unable to");
469 vec[i++] = "-forwall";
474 vec[i++] = "-digest";
477 snprintf (buf1, sizeof(buf1), "%d", issue);
479 vec[i++] = "-volume";
480 snprintf (buf2, sizeof(buf2), "%d", volume);
485 * Are we dashstuffing (quoting) the lines that begin
486 * with `-'. We use the mhl default (don't add any flag)
487 * unless the user has specified a specific flag.
490 vec[i++] = "-dashstuffing";
491 else if (dashstuff < 0)
492 vec[i++] = "-nodashstuffing";
494 if (mp->numsel >= MAXARGS - i)
495 adios (NULL, "more than %d messages for %s exec",
496 MAXARGS - i, vec[0]);
499 * Now add the message names to filter. We can only
500 * handle about 995 messages (because vec is fixed size),
501 * but that should be plenty.
503 for (msgnum = mp->lowsel;
504 msgnum <= mp->hghsel && i < (int) sizeof(vec) - 1;
506 if (is_selected (mp, msgnum))
507 vec[i++] = getcpy (m_name (msgnum));
510 execvp (mhlproc, vec);
511 fprintf (stderr, "unable to exec ");
517 cpydata (pd[0], out, vec[0], file);
519 pidXwait(child_id, mhlproc);
526 * Copy the messages into the draft. The messages are
527 * not filtered through the mhlproc. Do dashstuffing if
532 copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff)
534 int fd,i, msgcnt, msgnum;
536 register char *bp, *msgnam;
540 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
541 if (is_selected (mp, msgnum)) {
543 strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4,
546 /* Get buffer ready to go */
548 buflen = sizeof(buffer);
550 strncpy (bp, "\n-------", buflen);
555 if (msgnum == mp->lowsel) {
556 snprintf (bp, buflen, " Forwarded Message%s",
557 mp->numsel > 1 ? "s" : "");
559 snprintf (bp, buflen, " Message %d", msgcnt);
565 strncpy (bp, "\n\n", buflen);
567 write (out, buffer, strlen (buffer));
569 if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
570 admonish (msgnam, "unable to read message");
575 * Copy the message. Add RFC934 quoting (dashstuffing)
576 * unless given the -nodashstuffing flag.
579 cpydgst (fd, out, msgnam, file);
581 cpydata (fd, out, msgnam, file);
589 strncpy (buffer, delim4, sizeof(buffer));
591 snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n\n",
592 mp->numsel > 1 ? "s" : "");
594 write (out, buffer, strlen (buffer));
597 snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n",
598 digest, volume, issue);
600 for (bp = buffer + i; i > 1; i--)
604 write (out, buffer, strlen (buffer));
610 * Create a mhn composition file for forwarding message.
614 copy_mime_draft (int out)
619 snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s",
620 mp->numsel == 1 ? "" : "s", mp->foldpath);
621 write (out, buffer, strlen (buffer));
622 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
623 if (is_selected (mp, msgnum)) {
624 snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum));
625 write (out, buffer, strlen (buffer));
627 write (out, "\n", 1);
632 build_form (char *form, char *digest, int volume, int issue)
637 char *line, tmpfil[BUFSIZ];
639 register struct comp *cptr;
644 /* Get new format string */
645 nfs = new_fs (form, NULL, NULL);
646 fmtsize = strlen (nfs) + 256;
648 /* Compile format string */
649 fmt_compile (nfs, &fmt);
651 FINDCOMP (cptr, "digest");
653 cptr->c_text = digest;
654 FINDCOMP (cptr, "date");
656 cptr->c_text = getcpy(dtimenow (0));
664 cp = m_mktemp2(NULL, invo_name, NULL, &tmp);
665 if (cp == NULL) adios("forw", "unable to create temporary file");
666 strncpy (tmpfil, cp, sizeof(tmpfil));
668 if ((in = dup (fileno (tmp))) == NOTOK)
669 adios ("dup", "unable to");
671 line = mh_xmalloc ((unsigned) fmtsize);
672 fmt_scan (fmt, line, fmtsize, dat);
676 adios (tmpfil, "error writing");
678 lseek (in, (off_t) 0, SEEK_SET);