/* * forw.c -- forward a message, or group of messages. * * This code is Copyright (c) 2002, by the authors of nmh. See the * COPYRIGHT file in the root directory of the nmh distribution for * complete copyright information. */ #include #include #include #include #define IFORMAT "digest-issue-%s" #define VFORMAT "digest-volume-%s" #define FORW_SWITCHES \ X("annotate", 0, ANNOSW) \ X("noannotate", 0, NANNOSW) \ X("draftfolder +folder", 0, DFOLDSW) \ X("draftmessage msg", 0, DMSGSW) \ X("nodraftfolder", 0, NDFLDSW) \ X("editor editor", 0, EDITRSW) \ X("noedit", 0, NEDITSW) \ X("filter filterfile", 0, FILTSW) \ X("form formfile", 0, FORMSW) \ X("format", 5, FRMTSW) \ X("noformat", 7, NFRMTSW) \ X("inplace", 0, INPLSW) \ X("noinplace", 0, NINPLSW) \ X("mime", 0, MIMESW) \ X("nomime", 0, NMIMESW) \ X("digest list", 0, DGSTSW) \ X("issue number", 0, ISSUESW) \ X("volume number", 0, VOLUMSW) \ X("whatnowproc program", 0, WHATSW) \ X("nowhatnowproc", 0, NWHATSW) \ X("dashstuffing", 0, BITSTUFFSW) /* interface to mhl */ \ X("nodashstuffing", 0, NBITSTUFFSW) \ X("version", 0, VERSIONSW) \ X("help", 0, HELPSW) \ X("file file", 4, FILESW) /* interface from msh */ \ X("build", 5, BILDSW) /* interface from mhe */ \ X("from address", 0, FROMSW) \ X("to address", 0, TOSW) \ X("cc address", 0, CCSW) \ X("subject text", 0, SUBJECTSW) \ X("fcc mailbox", 0, FCCSW) \ X("width columns", 0, WIDTHSW) \ #define X(sw, minchars, id) id, DEFINE_SWITCH_ENUM(FORW); #undef X #define X(sw, minchars, id) { sw, minchars, id }, DEFINE_SWITCH_ARRAY(FORW, switches); #undef X #define DISPO_SWITCHES \ X("quit", 0, NOSW) \ X("replace", 0, YESW) \ X("list", 0, LISTDSW) \ X("refile +folder", 0, REFILSW) \ X("new", 0, NEWSW) \ #define X(sw, minchars, id) id, DEFINE_SWITCH_ENUM(DISPO); #undef X #define X(sw, minchars, id) { sw, minchars, id }, DEFINE_SWITCH_ARRAY(DISPO, aqrnl); #undef X static struct swit aqrl[] = { { "quit", 0, NOSW }, { "replace", 0, YESW }, { "list", 0, LISTDSW }, { "refile +folder", 0, REFILSW }, { NULL, 0, 0 } }; static char drft[BUFSIZ]; static char delim3[] = "\n------------------------------------------------------------\n\n"; static char delim4[] = "\n------------------------------\n\n"; static struct msgs *mp = NULL; /* used a lot */ /* * static prototypes */ static void mhl_draft (int, char *, int, int, char *, char *, int); static void copy_draft (int, char *, char *, int, int, int); static void copy_mime_draft (int); int main (int argc, char **argv) { int anot = 0, inplace = 1, mime = 0; int issue = 0, volume = 0, dashstuff = 0; int nedit = 0, nwhat = 0, i, in; int out, isdf = 0, msgnum = 0; int outputlinelen = OUTPUTLINELEN; int dat[5]; char *cp, *cwd, *maildir, *dfolder = NULL; char *dmsg = NULL, *digest = NULL, *ed = NULL; char *file = NULL, *filter = NULL, *folder = NULL, *fwdmsg = NULL; char *from = NULL, *to = NULL, *cc = NULL, *subject = NULL, *fcc = NULL; char *form = NULL, buf[BUFSIZ], value[10]; char **argp, **arguments; struct stat st; struct msgs_array msgs = { 0, 0, NULL }; int buildsw = 0; if (nmh_init(argv[0], 1)) { return 1; } arguments = getarguments (invo_name, argc, argv, 1); argp = arguments; while ((cp = *argp++)) { if (*cp == '-') { switch (smatch (++cp, switches)) { case AMBIGSW: ambigsw (cp, switches); done (1); case UNKWNSW: adios (NULL, "-%s unknown", cp); case HELPSW: snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name); print_help (buf, switches, 1); done (0); case VERSIONSW: print_version(invo_name); done (0); case ANNOSW: anot++; continue; case NANNOSW: anot = 0; continue; case EDITRSW: if (!(ed = *argp++) || *ed == '-') adios (NULL, "missing argument to %s", argp[-2]); nedit = 0; continue; case NEDITSW: nedit++; continue; case WHATSW: if (!(whatnowproc = *argp++) || *whatnowproc == '-') adios (NULL, "missing argument to %s", argp[-2]); nwhat = 0; continue; case BILDSW: buildsw++; /* fall... */ case NWHATSW: nwhat++; continue; case FILESW: if (file) adios (NULL, "only one file at a time!"); if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); file = path (cp, TFILE); continue; case FILTSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); filter = getcpy (etcpath (cp)); mime = 0; continue; case FORMSW: if (!(form = *argp++) || *form == '-') adios (NULL, "missing argument to %s", argp[-2]); continue; case FRMTSW: filter = getcpy (etcpath (mhlforward)); continue; case NFRMTSW: filter = NULL; continue; case INPLSW: inplace++; continue; case NINPLSW: inplace = 0; continue; case MIMESW: mime++; filter = NULL; continue; case NMIMESW: mime = 0; continue; case DGSTSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); digest = getcpy(cp); mime = 0; continue; case ISSUESW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); if ((issue = atoi (cp)) < 1) adios (NULL, "bad argument %s %s", argp[-2], cp); continue; case VOLUMSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); if ((volume = atoi (cp)) < 1) adios (NULL, "bad argument %s %s", argp[-2], cp); continue; case DFOLDSW: if (dfolder) adios (NULL, "only one draft folder at a time!"); if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp, *cp != '@' ? TFOLDER : TSUBCWF); continue; case DMSGSW: if (dmsg) adios (NULL, "only one draft message at a time!"); if (!(dmsg = *argp++) || *dmsg == '-') adios (NULL, "missing argument to %s", argp[-2]); continue; case NDFLDSW: dfolder = NULL; isdf = NOTOK; continue; case BITSTUFFSW: dashstuff = 1; /* trinary logic */ continue; case NBITSTUFFSW: dashstuff = -1; /* trinary logic */ continue; case FROMSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); from = addlist(from, cp); continue; case TOSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); to = addlist(to, cp); continue; case CCSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); cc = addlist(cc, cp); continue; case FCCSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); fcc = addlist(fcc, cp); continue; case SUBJECTSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); subject = getcpy(cp); continue; case WIDTHSW: if (!(cp = *argp++) || *cp == '-') adios (NULL, "missing argument to %s", argp[-2]); if ((outputlinelen = atoi(cp)) < 10) adios (NULL, "impossible width %d", outputlinelen); continue; } } if (*cp == '+' || *cp == '@') { if (folder) adios (NULL, "only one folder at a time!"); else folder = pluspath (cp); } else { app_msgarg(&msgs, cp); } } cwd = getcpy (pwd ()); if (!context_find ("path")) free (path ("./", TFOLDER)); if (file && (msgs.size || folder)) adios (NULL, "can't mix files and folders/msgs"); try_it_again: strncpy (drft, buildsw ? m_maildir ("draft") : m_draft (dfolder, NULL, NOUSE, &isdf), sizeof(drft)); /* Check if a draft already exists */ if (!buildsw && stat (drft, &st) != NOTOK) { printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size); for (i = LISTDSW; i != YESW;) { if (!(argp = read_switch_multiword ("\nDisposition? ", isdf ? aqrnl : aqrl))) done (1); switch (i = smatch (*argp, isdf ? aqrnl : aqrl)) { case NOSW: done (0); case NEWSW: dmsg = NULL; goto try_it_again; case YESW: break; case LISTDSW: showfile (++argp, drft); break; case REFILSW: if (refile (++argp, drft) == 0) i = YESW; break; default: advise (NULL, "say what?"); break; } } } if (file) { /* * Forwarding a file. */ anot = 0; /* don't want to annotate a file */ } else { /* * Forwarding a message. */ if (!msgs.size) app_msgarg(&msgs, "cur"); if (!folder) folder = getfolder (1); maildir = m_maildir (folder); if (chdir (maildir) == NOTOK) adios (maildir, "unable to change directory to"); /* read folder and create message structure */ if (!(mp = folder_read (folder, 1))) adios (NULL, "unable to read folder %s", folder); /* check for empty folder */ if (mp->nummsg == 0) adios (NULL, "no messages in %s", folder); /* parse all the message ranges/sequences and set SELECTED */ for (msgnum = 0; msgnum < msgs.size; msgnum++) if (!m_convert (mp, msgs.msgs[msgnum])) done (1); seq_setprev (mp); /* set the previous sequence */ /* * Find the first message in our set and use it as the input * for the component scanner */ for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) if (is_selected (mp, msgnum)) { fwdmsg = strdup(m_name(msgnum)); break; } if (! fwdmsg) adios (NULL, "Unable to find input message"); } if (filter && access (filter, R_OK) == NOTOK) adios (filter, "unable to read"); /* * Open form (component) file. */ if (digest) { if (issue == 0) { snprintf (buf, sizeof(buf), IFORMAT, digest); if (volume == 0 && (cp = context_find (buf)) && ((issue = atoi (cp)) < 0)) issue = 0; issue++; } if (volume == 0) { snprintf (buf, sizeof(buf), VFORMAT, digest); if ((cp = context_find (buf)) == NULL || (volume = atoi (cp)) <= 0) volume = 1; } if (!form) form = digestcomps; } else { if (!form) form = forwcomps; } dat[0] = digest ? issue : msgnum; dat[1] = volume; dat[2] = 0; dat[3] = outputlinelen; dat[4] = 0; in = build_form (form, digest, dat, from, to, cc, fcc, subject, file ? file : fwdmsg); if ((out = creat (drft, m_gmprot ())) == NOTOK) adios (drft, "unable to create"); /* * copy the components into the draft */ cpydata (in, out, form, drft); close (in); if (file) { /* just copy the file into the draft */ if ((in = open (file, O_RDONLY)) == NOTOK) adios (file, "unable to open"); cpydata (in, out, file, drft); close (in); close (out); } else { /* * If filter file is defined, then format the * messages into the draft using mhlproc. */ if (filter) mhl_draft (out, digest, volume, issue, drft, filter, dashstuff); else if (mime) copy_mime_draft (out); else copy_draft (out, digest, drft, volume, issue, dashstuff); close (out); if (digest) { snprintf (buf, sizeof(buf), IFORMAT, digest); snprintf (value, sizeof(value), "%d", issue); context_replace (buf, getcpy (value)); snprintf (buf, sizeof(buf), VFORMAT, digest); snprintf (value, sizeof(value), "%d", volume); context_replace (buf, getcpy (value)); } context_replace (pfolder, folder); /* update current folder */ seq_setcur (mp, mp->lowsel); /* update current message */ seq_save (mp); /* synchronize sequences */ context_save (); /* save the context file */ } if (nwhat) done (0); what_now (ed, nedit, NOUSE, drft, NULL, 0, mp, anot ? "Forwarded" : NULL, inplace, cwd, 0); done (1); return 1; } /* * Filter the messages you are forwarding, into the * draft calling the mhlproc, and reading its output * from a pipe. */ static void mhl_draft (int out, char *digest, int volume, int issue, char *file, char *filter, int dashstuff) { pid_t child_id; int i, msgnum, pd[2]; char buf1[BUFSIZ]; char buf2[BUFSIZ]; char *program; struct msgs_array vec = { 0, 0, NULL }; if (pipe (pd) == NOTOK) adios ("pipe", "unable to create"); argsplit_msgarg(&vec, mhlproc, &program); for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++) sleep (5); switch (child_id) { case NOTOK: adios ("fork", "unable to"); case OK: close (pd[0]); dup2 (pd[1], 1); close (pd[1]); app_msgarg(&vec, "-forwall"); app_msgarg(&vec, "-form"); app_msgarg(&vec, filter); if (digest) { app_msgarg(&vec, "-digest"); app_msgarg(&vec, digest); app_msgarg(&vec, "-issue"); snprintf (buf1, sizeof(buf1), "%d", issue); app_msgarg(&vec, buf1); app_msgarg(&vec, "-volume"); snprintf (buf2, sizeof(buf2), "%d", volume); app_msgarg(&vec, buf2); } /* * Are we dashstuffing (quoting) the lines that begin * with `-'. We use the mhl default (don't add any flag) * unless the user has specified a specific flag. */ if (dashstuff > 0) app_msgarg(&vec, "-dashstuffing"); else if (dashstuff < 0) app_msgarg(&vec, "-nodashstuffing"); for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) { if (is_selected (mp, msgnum)) app_msgarg(&vec, getcpy (m_name (msgnum))); } app_msgarg(&vec, NULL); execvp (program, vec.msgs); fprintf (stderr, "unable to exec "); perror (mhlproc); _exit (-1); default: close (pd[1]); cpydata (pd[0], out, vec.msgs[0], file); close (pd[0]); pidXwait(child_id, mhlproc); break; } } /* * Copy the messages into the draft. The messages are * not filtered through the mhlproc. Do dashstuffing if * necessary. */ static void copy_draft (int out, char *digest, char *file, int volume, int issue, int dashstuff) { int fd,i, msgcnt, msgnum; int len, buflen; register char *bp, *msgnam; char buffer[BUFSIZ]; msgcnt = 1; for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) { if (is_selected (mp, msgnum)) { if (digest) { strncpy (buffer, msgnum == mp->lowsel ? delim3 : delim4, sizeof(buffer)); } else { /* Get buffer ready to go */ bp = buffer; buflen = sizeof(buffer); strncpy (bp, "\n-------", buflen); len = strlen (bp); bp += len; buflen -= len; if (msgnum == mp->lowsel) { snprintf (bp, buflen, " Forwarded Message%s", mp->numsel > 1 ? "s" : ""); } else { snprintf (bp, buflen, " Message %d", msgcnt); } len = strlen (bp); bp += len; buflen -= len; strncpy (bp, "\n\n", buflen); } if (write (out, buffer, strlen (buffer)) < 0) { advise (drft, "write"); } if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) { admonish (msgnam, "unable to read message"); continue; } /* * Copy the message. Add RFC934 quoting (dashstuffing) * unless given the -nodashstuffing flag. */ if (dashstuff >= 0) cpydgst (fd, out, msgnam, file); else cpydata (fd, out, msgnam, file); close (fd); msgcnt++; } } if (digest) { strncpy (buffer, delim4, sizeof(buffer)); } else { snprintf (buffer, sizeof(buffer), "\n------- End of Forwarded Message%s\n", mp->numsel > 1 ? "s" : ""); } if (write (out, buffer, strlen (buffer)) < 0) { advise (drft, "write"); } if (digest) { snprintf (buffer, sizeof(buffer), "End of %s Digest [Volume %d Issue %d]\n", digest, volume, issue); i = strlen (buffer); for (bp = buffer + i; i > 1; i--) *bp++ = '*'; *bp++ = '\n'; *bp = 0; if (write (out, buffer, strlen (buffer)) < 0) { advise (drft, "write"); } } } /* * Create a mhn composition file for forwarding message. */ static void copy_mime_draft (int out) { int msgnum; char buffer[BUFSIZ]; snprintf (buffer, sizeof(buffer), "#forw [forwarded message%s] +%s", mp->numsel == 1 ? "" : "s", mp->foldpath); if (write (out, buffer, strlen (buffer)) < 0) { advise (drft, "write"); } for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) if (is_selected (mp, msgnum)) { snprintf (buffer, sizeof(buffer), " %s", m_name (msgnum)); if (write (out, buffer, strlen (buffer)) < 0) { advise (drft, "write"); } } if (write (out, "\n", 1) < 0) { advise (drft, "write newline"); } }