3 * whatnowsbr.c -- the WhatNow shell
13 static struct swit whatnowswitches[] = {
15 { "draftfolder +folder", 0 },
17 { "draftmessage msg", 0 },
19 { "nodraftfolder", 0 },
21 { "editor editor", 0 },
25 { "prompt string", 4 },
34 * Options at the "whatnow" prompt
36 static struct swit aleqs[] = {
38 { "edit [<editor> <switches>]", 0 },
40 { "refile [<switches>] +folder", 0 },
42 { "mime [<switches>]", 0 },
44 { "display [<switches>]", 0 },
46 { "list [<switches>]", 0 },
48 { "send [<switches>]", 0 },
50 { "push [<switches>]", 0 },
52 { "whom [<switches>]", 0 },
54 { "quit [-delete]", 0 },
60 static char *myprompt = "\nWhat now? ";
65 static int editfile (char **, char **, char *, int, struct msgs *,
67 static int sendfile (char **, char *, int);
68 static void sendit (char *, char **, char *, int);
69 static int buildfile (char **, char *);
70 static int check_draft (char *);
71 static int whomfile (char **, char *);
72 static int removefile (char *);
75 static int copyf (char *, char *);
80 WhatNow (int argc, char **argv)
82 int isdf = 0, nedit = 0, use = 0;
83 char *cp, *dfolder = NULL, *dmsg = NULL;
84 char *ed = NULL, *drft = NULL, *msgnam = NULL;
85 char buf[BUFSIZ], prompt[BUFSIZ];
86 char **argp, **arguments;
89 invo_name = r1bindex (argv[0], '/');
91 /* read user profile/context */
94 arguments = getarguments (invo_name, argc, argv, 1);
97 while ((cp = *argp++)) {
99 switch (smatch (++cp, whatnowswitches)) {
101 ambigsw (cp, whatnowswitches);
104 adios (NULL, "-%s unknown", cp);
107 snprintf (buf, sizeof(buf), "%s [switches] [file]", invo_name);
108 print_help (buf, whatnowswitches, 1);
111 print_version(invo_name);
116 adios (NULL, "only one draft folder at a time!");
117 if (!(cp = *argp++) || *cp == '-')
118 adios (NULL, "missing argument to %s", argp[-2]);
119 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
120 *cp != '@' ? TFOLDER : TSUBCWF);
124 adios (NULL, "only one draft message at a time!");
125 if (!(dmsg = *argp++) || *dmsg == '-')
126 adios (NULL, "missing argument to %s", argp[-2]);
134 if (!(ed = *argp++) || *ed == '-')
135 adios (NULL, "missing argument to %s", argp[-2]);
143 if (!(myprompt = *argp++) || *myprompt == '-')
144 adios (NULL, "missing argument to %s", argp[-2]);
149 adios (NULL, "only one draft at a time!");
154 if ((drft == NULL && (drft = getenv ("mhdraft")) == NULL) || *drft == 0)
155 drft = getcpy (m_draft (dfolder, dmsg, 1, &isdf));
157 msgnam = (cp = getenv ("mhaltmsg")) && *cp ? getcpy (cp) : NULL;
159 if ((cp = getenv ("mhuse")) && *cp)
162 if (ed == NULL && ((ed = getenv ("mheditor")) == NULL || *ed == 0)) {
167 /* start editing the draft, unless -noedit was given */
168 if (!nedit && editfile (&ed, NULL, drft, use, NULL, msgnam, NULL, 1) < 0)
171 snprintf (prompt, sizeof(prompt), myprompt, invo_name);
173 if (!(argp = getans (prompt, aleqs))) {
177 switch (smatch (*argp, aleqs)) {
179 /* display the message being replied to, or distributed */
181 showfile (++argp, msgnam);
183 advise (NULL, "no alternate message to display");
187 /* Translate MIME composition file */
188 buildfile (++argp, drft);
192 /* Call an editor on the draft file */
195 if (editfile (&ed, argp, drft, NOUSE, NULL, msgnam, NULL, 1) == NOTOK)
200 /* display the draft file */
201 showfile (++argp, drft);
205 /* Check to whom the draft would be sent */
206 whomfile (++argp, drft);
210 /* Quit, and possibly delete the draft */
211 if (*++argp && (*argp[0] == 'd' ||
212 ((*argp)[0] == '-' && (*argp)[1] == 'd'))) {
215 if (stat (drft, &st) != NOTOK)
216 advise (NULL, "draft left on %s", drft);
221 /* Delete draft and exit */
226 /* Send draft in background */
227 if (sendfile (++argp, drft, 1))
233 sendfile (++argp, drft, 0);
237 /* Refile the draft */
238 if (refile (++argp, drft) == 0)
243 /* Unknown command */
244 advise (NULL, "say what?");
255 static int reedit = 0; /* have we been here before? */
256 static char *edsave = NULL; /* the editor we used previously */
260 editfile (char **ed, char **arg, char *file, int use, struct msgs *mp,
261 char *altmsg, char *cwd, int save_editor)
263 int pid, status, vecp;
264 char altpath[BUFSIZ], linkpath[BUFSIZ];
265 char *cp, *vec[MAXARGS];
271 int oumask; /* PJS: for setting permissions on symlinks. */
273 #endif /* HAVE_LSTAT */
275 /* Was there a previous edit session? */
277 if (!*ed) { /* no explicit editor */
278 *ed = edsave; /* so use the previous one */
279 if ((cp = r1bindex (*ed, '/')) == NULL)
282 /* unless we've specified it via "editor-next" */
283 cp = concat (cp, "-next", NULL);
284 if ((cp = context_find (cp)) != NULL)
288 /* set initial editor */
289 if (*ed == NULL && (*ed = context_find ("editor")) == NULL)
294 if (mp == NULL || *altmsg == '/' || cwd == NULL)
295 strncpy (altpath, altmsg, sizeof(altpath));
297 snprintf (altpath, sizeof(altpath), "%s/%s", mp->foldpath, altmsg);
299 strncpy (linkpath, LINK, sizeof(linkpath));
301 snprintf (linkpath, sizeof(linkpath), "%s/%s", cwd, LINK);
307 if (link (altpath, linkpath) == NOTOK) {
309 /* I don't think permission on symlinks matters /JLR */
310 oumask = umask(0044); /* PJS: else symlinks are world 'r' */
312 symlink (altpath, linkpath);
314 umask(oumask); /* PJS: else symlinks are world 'r' */
320 #else /* not HAVE_LSTAT */
321 link (altpath, linkpath);
322 #endif /* not HAVE_LSTAT */
325 context_save (); /* save the context file */
328 switch (pid = vfork ()) {
330 advise ("fork", "unable to");
339 m_putenv ("mhfolder", mp->foldpath);
340 m_putenv ("editalt", altpath);
344 vec[vecp++] = r1bindex (*ed, '/');
347 vec[vecp++] = *arg++;
352 fprintf (stderr, "unable to exec ");
357 if ((status = pidwait (pid, NOTOK))) {
359 if ((cp = r1bindex (*ed, '/'))
360 && strcmp (cp, "vi") == 0
361 && (status & 0x00ff) == 0)
365 if (((status & 0xff00) != 0xff00)
366 && (!reedit || (status & 0x00ff)))
367 if (!use && (status & 0xff00) &&
368 (rename (file, cp = m_backup (file)) != NOTOK)) {
369 advise (NULL, "problems with edit--draft left in %s", cp);
371 advise (NULL, "problems with edit--%s preserved", file);
373 status = -2; /* maybe "reedit ? -2 : -1"? */
386 ? lstat (linkpath, &st) != NOTOK
387 && S_ISREG(st.st_mode)
388 && copyf (linkpath, altpath) == NOTOK
389 : stat (linkpath, &st) != NOTOK
391 && (unlink (altpath) == NOTOK
392 || link (linkpath, altpath) == NOTOK)))
393 advise (linkpath, "unable to update %s from", altmsg);
394 #else /* HAVE_LSTAT */
398 && stat (linkpath, &st) != NOTOK
400 && (unlink (altpath) == NOTOK
401 || link (linkpath, altpath) == NOTOK))
402 advise (linkpath, "unable to update %s from", altmsg);
403 #endif /* HAVE_LSTAT */
406 /* normally, we remember which editor we used */
408 edsave = getcpy (*ed);
420 copyf (char *ifile, char *ofile)
425 if ((in = open (ifile, O_RDONLY)) == NOTOK)
427 if ((out = open (ofile, O_WRONLY | O_TRUNC)) == NOTOK) {
428 admonish (ofile, "unable to open and truncate");
433 while ((i = read (in, buffer, sizeof(buffer))) > OK)
434 if (write (out, buffer, i) != i) {
435 advise (ofile, "may have damaged");
444 #endif /* HAVE_LSTAT */
452 sendfile (char **arg, char *file, int pushsw)
456 char *cp, *sp, *vec[MAXARGS];
458 /* Translate MIME composition file, if necessary */
459 if ((cp = context_find ("automimeproc"))
460 && (!strcmp (cp, "1"))
461 && !getenv ("NOMHNPROC")
462 && check_draft (file)
463 && (buildfile (NULL, file) == NOTOK))
466 /* For backwards compatibility */
467 if ((cp = context_find ("automhnproc"))
468 && !getenv ("NOMHNPROC")
469 && check_draft (file)
470 && (i = editfile (&cp, NULL, file, NOUSE, NULL, NULL, NULL, 0)))
474 * If the sendproc is the nmh command `send', then we call
475 * those routines directly rather than exec'ing the command.
477 if (strcmp (sp = r1bindex (sendproc, '/'), "send") == 0) {
479 sendit (invo_name = sp, arg, file, pushsw);
484 context_save (); /* save the context file */
487 for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
491 advise (NULL, "unable to fork, so sending directly...");
494 vec[vecp++] = invo_name;
496 vec[vecp++] = "-push";
499 vec[vecp++] = *arg++;
503 execvp (sendproc, vec);
504 fprintf (stderr, "unable to exec ");
509 if (pidwait(child_id, OK) == 0)
517 * Translate MIME composition file (call buildmimeproc)
521 buildfile (char **argp, char *file)
528 /* allocate space for arguments */
534 if ((args = (char **) malloc((i + 2) * sizeof(char *))) == NULL)
535 adios (NULL, "unable to malloc memory");
538 * For backward compatibility, we need to add -build
539 * if we are using mhn as buildmimeproc
542 if (strcmp (r1bindex (ed, '/'), "mhn") == 0)
543 args[i++] = "-build";
545 /* copy any other arguments */
546 while (argp && *argp)
550 i = editfile (&ed, args, file, NOUSE, NULL, NULL, NULL, 0);
553 return (i ? NOTOK : OK);
558 * Check if draft is a mhbuild composition file
562 check_draft (char *msgnam)
565 char buf[BUFSIZ], name[NAMESZ];
568 if ((fp = fopen (msgnam, "r")) == NULL)
571 switch (state = m_getfld (state, name, buf, sizeof(buf), fp)) {
576 * If draft already contains any of the
577 * Content-XXX fields, then assume it already
580 if (uprf (name, XXX_FIELD_PRF)) {
584 while (state == FLDPLUS)
585 state = m_getfld (state, name, buf, sizeof(buf), fp);
592 for (bp = buf; *bp; bp++)
593 if (*bp != ' ' && *bp != '\t' && *bp != '\n') {
598 state = m_getfld (state, name, buf, sizeof(buf), fp);
599 } while (state == BODY);
609 static struct swit sendswitches[] = {
611 { "alias aliasfile", 0 },
615 { "filter filterfile", 0 },
639 { "split seconds", 0 },
653 { "width columns", 0 },
654 #define SVERSIONSW 22
658 #define BITSTUFFSW 24
659 { "dashstuffing", -12 },
660 #define NBITSTUFFSW 25
661 { "nodashstuffing", -14 },
671 { "client host", -6 },
673 { "server host", -6 },
677 { "draftfolder +folder", -6 },
679 { "draftmessage msg", -6 },
681 { "nodraftfolder", -3 },
686 extern int debugsw; /* from sendsbr.c */
694 extern char *altmsg; /* .. */
695 extern char *annotext;
696 extern char *distfile;
700 sendit (char *sp, char **arg, char *file, int pushed)
703 char *cp, buf[BUFSIZ], **argp;
704 char **arguments, *vec[MAXARGS];
715 * Make sure these are defined. In particular, we need
716 * vec[1] to be NULL, in case "arg" is NULL below. It
717 * doesn't matter what is the value of vec[0], but we
718 * set it to NULL, to help catch "off-by-one" errors.
724 * Temporarily copy arg to vec, since the brkstring() call in
725 * getarguments() will wipe it out before it is merged in.
726 * Also, we skip the first element of vec, since getarguments()
727 * skips it. Then we count the number of arguments
728 * copied. The value of "n" will be one greater than
729 * this in order to simulate the standard argc/argv.
734 copyip (arg, vec+1, MAXARGS-1);
741 * Merge any arguments from command line (now in vec)
742 * and arguments from profile.
744 arguments = getarguments (sp, n, vec, 1);
756 vecp = 1; /* we'll get the zero'th element later */
757 vec[vecp++] = "-library";
758 vec[vecp++] = getcpy (m_maildir (""));
760 while ((cp = *argp++)) {
762 switch (smatch (++cp, sendswitches)) {
764 ambigsw (cp, sendswitches);
767 advise (NULL, "-%s unknown\n", cp);
771 snprintf (buf, sizeof(buf), "%s [switches]", sp);
772 print_help (buf, sendswitches, 1);
775 print_version (invo_name);
786 if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1) {
787 advise (NULL, "missing argument to %s", argp[-2]);
815 debugsw++; /* fall */
841 if (!(cp = *argp++) || *cp == '-') {
842 advise (NULL, "missing argument to %s", argp[-2]);
850 if (!(cp = *argp++) || *cp == '-') {
851 advise (NULL, "missing argument to %s", argp[-2]);
858 advise (NULL, "usage: %s [switches]", sp);
862 /* allow Aliasfile: profile entry */
863 if ((cp = context_find ("Aliasfile"))) {
867 for (ap = brkstring (dp, " ", "\n"); ap && *ap; ap++) {
868 vec[vecp++] = "-alias";
873 if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
874 if ((cp = context_find ("signature")) && *cp)
875 m_putenv ("SIGNATURE", cp);
878 snprintf (buf, sizeof(buf), "%s/.signature", mypath);
879 if ((fp = fopen (buf, "r")) != NULL
880 && fgets (buf, sizeof(buf), fp) != NULL) {
882 if (cp = strchr (buf, '\n'))
884 m_putenv ("SIGNATURE", buf);
889 if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
891 if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
893 if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
896 if ((cp = getenv ("mhdist"))
899 && (distsw = atoi (cp))
900 #endif /* not lint */
902 vec[vecp++] = "-dist";
903 distfile = getcpy (m_scratch (altmsg, invo_name));
904 if (link (altmsg, distfile) == NOTOK)
905 adios (distfile, "unable to link %s to", altmsg);
910 if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
915 if ((pushsw = pushed))
918 vec[0] = r1bindex (postproc, '/');
921 if (sendsbr (vec, vecp, file, &st, 1) == OK)
930 whomfile (char **arg, char *file)
936 context_save (); /* save the context file */
939 switch (pid = vfork ()) {
941 advise ("fork", "unable to");
946 vec[vecp++] = r1bindex (whomproc, '/');
950 vec[vecp++] = *arg++;
953 execvp (whomproc, vec);
954 fprintf (stderr, "unable to exec ");
956 _exit (-1); /* NOTREACHED */
959 return (pidwait (pid, NOTOK) & 0377 ? 1 : 0);
965 * Remove the draft file
969 removefile (char *drft)
971 if (unlink (drft) == NOTOK)
972 adios (drft, "unable to unlink");