3 * whatnowsbr.c -- the WhatNow shell
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.
17 static struct swit whatnowswitches[] = {
19 { "draftfolder +folder", 0 },
21 { "draftmessage msg", 0 },
23 { "nodraftfolder", 0 },
25 { "editor editor", 0 },
29 { "prompt string", 4 },
38 * Options at the "whatnow" prompt
40 static struct swit aleqs[] = {
42 { "edit [<editor> <switches>]", 0 },
44 { "refile [<switches>] +folder", 0 },
46 { "mime [<switches>]", 0 },
48 { "display [<switches>]", 0 },
50 { "list [<switches>]", 0 },
52 { "send [<switches>]", 0 },
54 { "push [<switches>]", 0 },
56 { "whom [<switches>]", 0 },
58 { "quit [-delete]", 0 },
64 static char *myprompt = "\nWhat now? ";
69 static int editfile (char **, char **, char *, int, struct msgs *,
71 static int sendfile (char **, char *, int);
72 static void sendit (char *, char **, char *, int);
73 static int buildfile (char **, char *);
74 static int check_draft (char *);
75 static int whomfile (char **, char *);
76 static int removefile (char *);
79 static int copyf (char *, char *);
84 WhatNow (int argc, char **argv)
86 int isdf = 0, nedit = 0, use = 0;
87 char *cp, *dfolder = NULL, *dmsg = NULL;
88 char *ed = NULL, *drft = NULL, *msgnam = NULL;
89 char buf[BUFSIZ], prompt[BUFSIZ];
90 char **argp, **arguments;
93 invo_name = r1bindex (argv[0], '/');
95 /* read user profile/context */
98 arguments = getarguments (invo_name, argc, argv, 1);
101 while ((cp = *argp++)) {
103 switch (smatch (++cp, whatnowswitches)) {
105 ambigsw (cp, whatnowswitches);
108 adios (NULL, "-%s unknown", cp);
111 snprintf (buf, sizeof(buf), "%s [switches] [file]", invo_name);
112 print_help (buf, whatnowswitches, 1);
115 print_version(invo_name);
120 adios (NULL, "only one draft folder at a time!");
121 if (!(cp = *argp++) || *cp == '-')
122 adios (NULL, "missing argument to %s", argp[-2]);
123 dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
124 *cp != '@' ? TFOLDER : TSUBCWF);
128 adios (NULL, "only one draft message at a time!");
129 if (!(dmsg = *argp++) || *dmsg == '-')
130 adios (NULL, "missing argument to %s", argp[-2]);
138 if (!(ed = *argp++) || *ed == '-')
139 adios (NULL, "missing argument to %s", argp[-2]);
147 if (!(myprompt = *argp++) || *myprompt == '-')
148 adios (NULL, "missing argument to %s", argp[-2]);
153 adios (NULL, "only one draft at a time!");
158 if ((drft == NULL && (drft = getenv ("mhdraft")) == NULL) || *drft == 0)
159 drft = getcpy (m_draft (dfolder, dmsg, 1, &isdf));
161 msgnam = (cp = getenv ("mhaltmsg")) && *cp ? getcpy (cp) : NULL;
163 if ((cp = getenv ("mhuse")) && *cp)
166 if (ed == NULL && ((ed = getenv ("mheditor")) == NULL || *ed == 0)) {
171 /* start editing the draft, unless -noedit was given */
172 if (!nedit && editfile (&ed, NULL, drft, use, NULL, msgnam, NULL, 1) < 0)
175 snprintf (prompt, sizeof(prompt), myprompt, invo_name);
177 if (!(argp = getans (prompt, aleqs))) {
181 switch (smatch (*argp, aleqs)) {
183 /* display the message being replied to, or distributed */
185 showfile (++argp, msgnam);
187 advise (NULL, "no alternate message to display");
191 /* Translate MIME composition file */
192 buildfile (++argp, drft);
196 /* Call an editor on the draft file */
199 if (editfile (&ed, argp, drft, NOUSE, NULL, msgnam, NULL, 1) == NOTOK)
204 /* display the draft file */
205 showfile (++argp, drft);
209 /* Check to whom the draft would be sent */
210 whomfile (++argp, drft);
214 /* Quit, and possibly delete the draft */
215 if (*++argp && (*argp[0] == 'd' ||
216 ((*argp)[0] == '-' && (*argp)[1] == 'd'))) {
219 if (stat (drft, &st) != NOTOK)
220 advise (NULL, "draft left on %s", drft);
225 /* Delete draft and exit */
230 /* Send draft in background */
231 if (sendfile (++argp, drft, 1))
237 sendfile (++argp, drft, 0);
241 /* Refile the draft */
242 if (refile (++argp, drft) == 0)
247 /* Unknown command */
248 advise (NULL, "say what?");
259 static int reedit = 0; /* have we been here before? */
260 static char *edsave = NULL; /* the editor we used previously */
264 editfile (char **ed, char **arg, char *file, int use, struct msgs *mp,
265 char *altmsg, char *cwd, int save_editor)
267 int pid, status, vecp;
268 char altpath[BUFSIZ], linkpath[BUFSIZ];
269 char *cp, *vec[MAXARGS];
275 int oumask; /* PJS: for setting permissions on symlinks. */
277 #endif /* HAVE_LSTAT */
279 /* Was there a previous edit session? */
281 if (!*ed) { /* no explicit editor */
282 *ed = edsave; /* so use the previous one */
283 if ((cp = r1bindex (*ed, '/')) == NULL)
286 /* unless we've specified it via "editor-next" */
287 cp = concat (cp, "-next", NULL);
288 if ((cp = context_find (cp)) != NULL)
292 /* set initial editor */
293 if (*ed == NULL && (*ed = context_find ("editor")) == NULL)
298 if (mp == NULL || *altmsg == '/' || cwd == NULL)
299 strncpy (altpath, altmsg, sizeof(altpath));
301 snprintf (altpath, sizeof(altpath), "%s/%s", mp->foldpath, altmsg);
303 strncpy (linkpath, LINK, sizeof(linkpath));
305 snprintf (linkpath, sizeof(linkpath), "%s/%s", cwd, LINK);
311 if (link (altpath, linkpath) == NOTOK) {
313 /* I don't think permission on symlinks matters /JLR */
314 oumask = umask(0044); /* PJS: else symlinks are world 'r' */
316 symlink (altpath, linkpath);
318 umask(oumask); /* PJS: else symlinks are world 'r' */
324 #else /* not HAVE_LSTAT */
325 link (altpath, linkpath);
326 #endif /* not HAVE_LSTAT */
329 context_save (); /* save the context file */
332 switch (pid = vfork ()) {
334 advise ("fork", "unable to");
343 m_putenv ("mhfolder", mp->foldpath);
344 m_putenv ("editalt", altpath);
348 vec[vecp++] = r1bindex (*ed, '/');
351 vec[vecp++] = *arg++;
356 fprintf (stderr, "unable to exec ");
361 if ((status = pidwait (pid, NOTOK))) {
363 if ((cp = r1bindex (*ed, '/'))
364 && strcmp (cp, "vi") == 0
365 && (status & 0x00ff) == 0)
369 if (((status & 0xff00) != 0xff00)
370 && (!reedit || (status & 0x00ff))) {
371 if (!use && (status & 0xff00) &&
372 (rename (file, cp = m_backup (file)) != NOTOK)) {
373 advise (NULL, "problems with edit--draft left in %s", cp);
375 advise (NULL, "problems with edit--%s preserved", file);
378 status = -2; /* maybe "reedit ? -2 : -1"? */
391 ? lstat (linkpath, &st) != NOTOK
392 && S_ISREG(st.st_mode)
393 && copyf (linkpath, altpath) == NOTOK
394 : stat (linkpath, &st) != NOTOK
396 && (unlink (altpath) == NOTOK
397 || link (linkpath, altpath) == NOTOK)))
398 advise (linkpath, "unable to update %s from", altmsg);
399 #else /* HAVE_LSTAT */
403 && stat (linkpath, &st) != NOTOK
405 && (unlink (altpath) == NOTOK
406 || link (linkpath, altpath) == NOTOK))
407 advise (linkpath, "unable to update %s from", altmsg);
408 #endif /* HAVE_LSTAT */
411 /* normally, we remember which editor we used */
413 edsave = getcpy (*ed);
425 copyf (char *ifile, char *ofile)
430 if ((in = open (ifile, O_RDONLY)) == NOTOK)
432 if ((out = open (ofile, O_WRONLY | O_TRUNC)) == NOTOK) {
433 admonish (ofile, "unable to open and truncate");
438 while ((i = read (in, buffer, sizeof(buffer))) > OK)
439 if (write (out, buffer, i) != i) {
440 advise (ofile, "may have damaged");
449 #endif /* HAVE_LSTAT */
457 sendfile (char **arg, char *file, int pushsw)
461 char *cp, *sp, *vec[MAXARGS];
463 /* Translate MIME composition file, if necessary */
464 if ((cp = context_find ("automimeproc"))
465 && (!strcmp (cp, "1"))
466 && !getenv ("NOMHNPROC")
467 && check_draft (file)
468 && (buildfile (NULL, file) == NOTOK))
471 /* For backwards compatibility */
472 if ((cp = context_find ("automhnproc"))
473 && !getenv ("NOMHNPROC")
474 && check_draft (file)
475 && (i = editfile (&cp, NULL, file, NOUSE, NULL, NULL, NULL, 0)))
479 * If the sendproc is the nmh command `send', then we call
480 * those routines directly rather than exec'ing the command.
482 if (strcmp (sp = r1bindex (sendproc, '/'), "send") == 0) {
484 sendit (invo_name = sp, arg, file, pushsw);
489 context_save (); /* save the context file */
492 for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
496 advise (NULL, "unable to fork, so sending directly...");
499 vec[vecp++] = invo_name;
501 vec[vecp++] = "-push";
504 vec[vecp++] = *arg++;
508 execvp (sendproc, vec);
509 fprintf (stderr, "unable to exec ");
514 if (pidwait(child_id, OK) == 0)
522 * Translate MIME composition file (call buildmimeproc)
526 buildfile (char **argp, char *file)
533 /* allocate space for arguments */
539 if ((args = (char **) malloc((i + 2) * sizeof(char *))) == NULL)
540 adios (NULL, "unable to malloc memory");
543 * For backward compatibility, we need to add -build
544 * if we are using mhn as buildmimeproc
547 if (strcmp (r1bindex (ed, '/'), "mhn") == 0)
548 args[i++] = "-build";
550 /* copy any other arguments */
551 while (argp && *argp)
555 i = editfile (&ed, args, file, NOUSE, NULL, NULL, NULL, 0);
558 return (i ? NOTOK : OK);
563 * Check if draft is a mhbuild composition file
567 check_draft (char *msgnam)
570 char buf[BUFSIZ], name[NAMESZ];
573 if ((fp = fopen (msgnam, "r")) == NULL)
576 switch (state = m_getfld (state, name, buf, sizeof(buf), fp)) {
581 * If draft already contains any of the
582 * Content-XXX fields, then assume it already
585 if (uprf (name, XXX_FIELD_PRF)) {
589 while (state == FLDPLUS)
590 state = m_getfld (state, name, buf, sizeof(buf), fp);
597 for (bp = buf; *bp; bp++)
598 if (*bp != ' ' && *bp != '\t' && *bp != '\n') {
603 state = m_getfld (state, name, buf, sizeof(buf), fp);
604 } while (state == BODY);
615 # define SASLminc(a) (a)
616 #else /* CYRUS_SASL */
617 # define SASLminc(a) 0
618 #endif /* CYRUS_SASL */
620 static struct swit sendswitches[] = {
622 { "alias aliasfile", 0 },
626 { "filter filterfile", 0 },
650 { "split seconds", 0 },
664 { "width columns", 0 },
665 #define SVERSIONSW 22
669 #define BITSTUFFSW 24
670 { "dashstuffing", -12 },
671 #define NBITSTUFFSW 25
672 { "nodashstuffing", -14 },
682 { "client host", -6 },
684 { "server host", -6 },
688 { "draftfolder +folder", -6 },
690 { "draftmessage msg", -6 },
692 { "nodraftfolder", -3 },
694 { "sasl", SASLminc(-4) },
695 #define SASLMECHSW 37
696 { "saslmech", SASLminc(-5) },
698 { "user", SASLminc(-4) },
703 extern int debugsw; /* from sendsbr.c */
711 extern char *altmsg; /* .. */
712 extern char *annotext;
713 extern char *distfile;
717 sendit (char *sp, char **arg, char *file, int pushed)
720 char *cp, buf[BUFSIZ], **argp;
721 char **arguments, *vec[MAXARGS];
732 * Make sure these are defined. In particular, we need
733 * vec[1] to be NULL, in case "arg" is NULL below. It
734 * doesn't matter what is the value of vec[0], but we
735 * set it to NULL, to help catch "off-by-one" errors.
741 * Temporarily copy arg to vec, since the brkstring() call in
742 * getarguments() will wipe it out before it is merged in.
743 * Also, we skip the first element of vec, since getarguments()
744 * skips it. Then we count the number of arguments
745 * copied. The value of "n" will be one greater than
746 * this in order to simulate the standard argc/argv.
751 copyip (arg, vec+1, MAXARGS-1);
758 * Merge any arguments from command line (now in vec)
759 * and arguments from profile.
761 arguments = getarguments (sp, n, vec, 1);
773 vecp = 1; /* we'll get the zero'th element later */
774 vec[vecp++] = "-library";
775 vec[vecp++] = getcpy (m_maildir (""));
777 while ((cp = *argp++)) {
779 switch (smatch (++cp, sendswitches)) {
781 ambigsw (cp, sendswitches);
784 advise (NULL, "-%s unknown\n", cp);
788 snprintf (buf, sizeof(buf), "%s [switches]", sp);
789 print_help (buf, sendswitches, 1);
792 print_version (invo_name);
803 if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1) {
804 advise (NULL, "missing argument to %s", argp[-2]);
832 debugsw++; /* fall */
861 if (!(cp = *argp++) || *cp == '-') {
862 advise (NULL, "missing argument to %s", argp[-2]);
870 if (!(cp = *argp++) || *cp == '-') {
871 advise (NULL, "missing argument to %s", argp[-2]);
878 advise (NULL, "usage: %s [switches]", sp);
882 /* allow Aliasfile: profile entry */
883 if ((cp = context_find ("Aliasfile"))) {
887 for (ap = brkstring (dp, " ", "\n"); ap && *ap; ap++) {
888 vec[vecp++] = "-alias";
893 if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
894 if ((cp = context_find ("signature")) && *cp)
895 m_putenv ("SIGNATURE", cp);
898 snprintf (buf, sizeof(buf), "%s/.signature", mypath);
899 if ((fp = fopen (buf, "r")) != NULL
900 && fgets (buf, sizeof(buf), fp) != NULL) {
902 if (cp = strchr (buf, '\n'))
904 m_putenv ("SIGNATURE", buf);
909 if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
911 if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
913 if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
916 if ((cp = getenv ("mhdist"))
919 && (distsw = atoi (cp))
920 #endif /* not lint */
922 vec[vecp++] = "-dist";
923 distfile = getcpy (m_scratch (altmsg, invo_name));
924 if (link (altmsg, distfile) == NOTOK)
925 adios (distfile, "unable to link %s to", altmsg);
930 if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
935 if ((pushsw = pushed))
938 vec[0] = r1bindex (postproc, '/');
941 if (sendsbr (vec, vecp, file, &st, 1) == OK)
950 whomfile (char **arg, char *file)
956 context_save (); /* save the context file */
959 switch (pid = vfork ()) {
961 advise ("fork", "unable to");
966 vec[vecp++] = r1bindex (whomproc, '/');
970 vec[vecp++] = *arg++;
973 execvp (whomproc, vec);
974 fprintf (stderr, "unable to exec ");
976 _exit (-1); /* NOTREACHED */
979 return (pidwait (pid, NOTOK) & 0377 ? 1 : 0);
985 * Remove the draft file
989 removefile (char *drft)
991 if (unlink (drft) == NOTOK)
992 adios (drft, "unable to unlink");