diplodocus.org Git - nmh/blob - uip/send.c

   1
   2 /*
   3  * send.c -- send a composed message
   4  *
   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.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <fcntl.h>
  12 #include <signal.h>
  13
  14
  15 #ifndef CYRUS_SASL
  16 # define SASLminc(a) (a)
  17 #else /* CYRUS_SASL */
  18 # define SASLminc(a)  0
  19 #endif /* CYRUS_SASL */
  20
  21 #ifndef TLS_SUPPORT
  22 # define TLSminc(a)  (a)
  23 #else /* TLS_SUPPORT */
  24 # define TLSminc(a)   0
  25 #endif /* TLS_SUPPORT */
  26
  27 #define SEND_SWITCHES \
  28     X("alias aliasfile", 0, ALIASW) \
  29     X("debug", -5, DEBUGSW) \
  30     X("draft", 0, DRAFTSW) \
  31     X("draftfolder +folder", 6, DFOLDSW) \
  32     X("draftmessage msg", 6, DMSGSW) \
  33     X("nodraftfolder", 0, NDFLDSW) \
  34     X("filter filterfile", 0, FILTSW) \
  35     X("nofilter", 0, NFILTSW) \
  36     X("format", 0, FRMTSW) \
  37     X("noformat", 0, NFRMTSW) \
  38     X("forward", 0, FORWSW) \
  39     X("noforward", 0, NFORWSW) \
  40     X("mime", 0, MIMESW) \
  41     X("nomime", 0, NMIMESW) \
  42     X("msgid", 0, MSGDSW) \
  43     X("nomsgid", 0, NMSGDSW) \
  44     X("push", 0, PUSHSW) \
  45     X("nopush", 0, NPUSHSW) \
  46     X("split seconds", 0, SPLITSW) \
  47     X("unique", -6, UNIQSW) \
  48     X("nounique", -8, NUNIQSW) \
  49     X("verbose", 0, VERBSW) \
  50     X("noverbose", 0, NVERBSW) \
  51     X("watch", 0, WATCSW) \
  52     X("nowatch", 0, NWATCSW) \
  53     X("width columns", 0, WIDTHSW) \
  54     X("version", 0, VERSIONSW) \
  55     X("help", 0, HELPSW) \
  56     X("dashstuffing", -12, BITSTUFFSW) \
  57     X("nodashstuffing", -14, NBITSTUFFSW) \
  58     X("client host", -6, CLIESW) \
  59     X("server host", 6, SERVSW) \
  60     X("snoop", 5, SNOOPSW) \
  61     X("sasl", SASLminc(4), SASLSW) \
  62     X("nosasl", SASLminc(-6), NOSASLSW) \
  63     X("saslmaxssf", SASLminc(-10), SASLMXSSFSW) \
  64     X("saslmech mechanism", SASLminc(-5), SASLMECHSW) \
  65     X("user username", SASLminc(-4), USERSW) \
  66     X("attach", 6, ATTACHSW) \
  67     X("noattach", 0, NOATTACHSW) \
  68     X("attachformat", 7, ATTACHFORMATSW) \
  69     X("port server-port-name/number", 4, PORTSW) \
  70     X("tls", TLSminc(-3), TLSSW) \
  71     X("initialtls", TLSminc(-10), INITTLSSW) \
  72     X("notls", TLSminc(-5), NTLSSW) \
  73     X("mts smtp|sendmail/smtp|sendmail/pipe", 2, MTSSW) \
  74     X("messageid localname|random", 2, MESSAGEIDSW) \
  75
  76 #define X(sw, minchars, id) id,
  77 DEFINE_SWITCH_ENUM(SEND);
  78 #undef X
  79
  80 #define X(sw, minchars, id) { sw, minchars, id },
  81 DEFINE_SWITCH_ARRAY(SEND, switches);
  82 #undef X
  83
  84 #define USE_SWITCHES \
  85     X("no", 0, NOSW) \
  86     X("yes", 0, YESW) \
  87     X("list", 0, LISTDSW) \
  88
  89 #define X(sw, minchars, id) id,
  90 DEFINE_SWITCH_ENUM(USE);
  91 #undef X
  92
  93 #define X(sw, minchars, id) { sw, minchars, id },
  94 DEFINE_SWITCH_ARRAY(USE, anyl);
  95 #undef X
  96
  97 extern int debugsw;             /* from sendsbr.c */
  98 extern int forwsw;
  99 extern int inplace;
 100 extern int pushsw;
 101 extern int splitsw;
 102 extern int unique;
 103 extern int verbsw;
 104
 105 extern char *altmsg;            /*  .. */
 106 extern char *annotext;
 107 extern char *distfile;
 108
 109
 110 int
 111 main (int argc, char **argv)
 112 {
 113     int msgp = 0, distsw = 0, vecp;
 114     int isdf = 0, mime = 0;
 115     int msgnum, status;
 116     char *cp, *dfolder = NULL, *maildir = NULL;
 117     char buf[BUFSIZ], **ap, **argp, **arguments, *program;
 118     char *msgs[MAXARGS], **vec;
 119     struct msgs *mp;
 120     struct stat st;
 121     char *attach = NMH_ATTACH_HEADER;   /* header field name for attachments */
 122     int attachformat = 1; /* mhbuild format specifier for attachments */
 123
 124 #ifdef LOCALE
 125     setlocale(LC_ALL, "");
 126 #endif
 127     invo_name = r1bindex (argv[0], '/');
 128
 129     /* read user profile/context */
 130     context_read();
 131
 132     arguments = getarguments (invo_name, argc, argv, 1);
 133     argp = arguments;
 134
 135     vec = argsplit(postproc, &program, &vecp);
 136
 137     vec[vecp++] = "-library";
 138     vec[vecp++] = getcpy (m_maildir (""));
 139
 140     if ((cp = context_find ("fileproc"))) {
 141       vec[vecp++] = "-fileproc";
 142       vec[vecp++] = cp;
 143     }
 144
 145     if ((cp = context_find ("mhlproc"))) {
 146       vec[vecp++] = "-mhlproc";
 147       vec[vecp++] = cp;
 148     }
 149
 150     while ((cp = *argp++)) {
 151         if (*cp == '-') {
 152             switch (smatch (++cp, switches)) {
 153                 case AMBIGSW:
 154                     ambigsw (cp, switches);
 155                     done (1);
 156                 case UNKWNSW:
 157                     adios (NULL, "-%s unknown\n", cp);
 158
 159                 case HELPSW:
 160                     snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
 161                     print_help (buf, switches, 1);
 162                     done (0);
 163                 case VERSIONSW:
 164                     print_version(invo_name);
 165                     done (0);
 166
 167                 case DRAFTSW:
 168                     msgs[msgp++] = draft;
 169                     continue;
 170
 171                 case DFOLDSW:
 172                     if (dfolder)
 173                         adios (NULL, "only one draft folder at a time!");
 174                     if (!(cp = *argp++) || *cp == '-')
 175                         adios (NULL, "missing argument to %s", argp[-2]);
 176                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 177                             *cp != '@' ? TFOLDER : TSUBCWF);
 178                     continue;
 179                 case DMSGSW:
 180                     if (!(cp = *argp++) || *cp == '-')
 181                         adios (NULL, "missing argument to %s", argp[-2]);
 182                     msgs[msgp++] = cp;
 183                     continue;
 184                 case NDFLDSW:
 185                     dfolder = NULL;
 186                     isdf = NOTOK;
 187                     continue;
 188
 189                 case PUSHSW:
 190                     pushsw++;
 191                     continue;
 192                 case NPUSHSW:
 193                     pushsw = 0;
 194                     continue;
 195
 196                 case SPLITSW:
 197                     if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
 198                         adios (NULL, "missing argument to %s", argp[-2]);
 199                     continue;
 200
 201                 case UNIQSW:
 202                     unique++;
 203                     continue;
 204                 case NUNIQSW:
 205                     unique = 0;
 206                     continue;
 207
 208                 case FORWSW:
 209                     forwsw++;
 210                     continue;
 211                 case NFORWSW:
 212                     forwsw = 0;
 213                     continue;
 214
 215                 case VERBSW:
 216                     verbsw++;
 217                     vec[vecp++] = --cp;
 218                     continue;
 219                 case NVERBSW:
 220                     verbsw = 0;
 221                     vec[vecp++] = --cp;
 222                     continue;
 223
 224                 case MIMESW:
 225                     mime++;
 226                     vec[vecp++] = --cp;
 227                     continue;
 228                 case NMIMESW:
 229                     mime = 0;
 230                     vec[vecp++] = --cp;
 231                     continue;
 232
 233                 case DEBUGSW:
 234                     debugsw++;  /* fall */
 235                 case NFILTSW:
 236                 case FRMTSW:
 237                 case NFRMTSW:
 238                 case BITSTUFFSW:
 239                 case NBITSTUFFSW:
 240                 case MSGDSW:
 241                 case NMSGDSW:
 242                 case WATCSW:
 243                 case NWATCSW:
 244                 case SNOOPSW:
 245                 case SASLSW:
 246                 case NOSASLSW:
 247                 case TLSSW:
 248                 case INITTLSSW:
 249                 case NTLSSW:
 250                     vec[vecp++] = --cp;
 251                     continue;
 252
 253                 case ALIASW:
 254                 case FILTSW:
 255                 case WIDTHSW:
 256                 case CLIESW:
 257                 case SERVSW:
 258                 case SASLMECHSW:
 259                 case SASLMXSSFSW:
 260                 case USERSW:
 261                 case PORTSW:
 262                 case MTSSW:
 263                 case MESSAGEIDSW:
 264                     vec[vecp++] = --cp;
 265                     if (!(cp = *argp++) || *cp == '-')
 266                         adios (NULL, "missing argument to %s", argp[-2]);
 267                     vec[vecp++] = cp;
 268                     continue;
 269
 270                 case ATTACHSW:
 271                     if (!(attach = *argp++) || *attach == '-')
 272                         adios (NULL, "missing argument to %s", argp[-2]);
 273                     continue;
 274                 case NOATTACHSW:
 275                     attach = NULL;
 276                     continue;
 277
 278                 case ATTACHFORMATSW:
 279                     if (! *argp || **argp == '-')
 280                         adios (NULL, "missing argument to %s", argp[-1]);
 281                     else {
 282                         attachformat = atoi (*argp);
 283                         if (attachformat < 0 ||
 284                             attachformat > ATTACHFORMATS - 1) {
 285                             advise (NULL, "unsupported attachformat %d",
 286                                     attachformat);
 287                             continue;
 288                         }
 289                     }
 290                     ++argp;
 291                     continue;
 292             }
 293         } else {
 294             msgs[msgp++] = cp;
 295         }
 296     }
 297
 298     /*
 299      * check for "Aliasfile:" profile entry
 300      */
 301     if ((cp = context_find ("Aliasfile"))) {
 302         char *dp = NULL;
 303
 304         for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++) {
 305             vec[vecp++] = "-alias";
 306             vec[vecp++] = *ap;
 307         }
 308     }
 309
 310     if (dfolder == NULL) {
 311         if (msgp == 0) {
 312 #ifdef WHATNOW
 313             if ((cp = getenv ("mhdraft")) && *cp) {
 314                 msgs[msgp++] = cp;
 315                 goto go_to_it;
 316             }
 317 #endif /* WHATNOW */
 318             msgs[msgp++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
 319             if (stat (msgs[0], &st) == NOTOK)
 320                 adios (msgs[0], "unable to stat draft file");
 321             cp = concat ("Use \"", msgs[0], "\"? ", NULL);
 322             for (status = LISTDSW; status != YESW;) {
 323                 if (!(argp = getans (cp, anyl)))
 324                     done (1);
 325                 switch (status = smatch (*argp, anyl)) {
 326                     case NOSW:
 327                         done (0);
 328                     case YESW:
 329                         break;
 330                     case LISTDSW:
 331                         showfile (++argp, msgs[0]);
 332                         break;
 333                     default:
 334                         advise (NULL, "say what?");
 335                         break;
 336                 }
 337             }
 338         } else {
 339             for (msgnum = 0; msgnum < msgp; msgnum++)
 340                 msgs[msgnum] = getcpy (m_maildir (msgs[msgnum]));
 341         }
 342     } else {
 343         if (!context_find ("path"))
 344             free (path ("./", TFOLDER));
 345
 346         if (!msgp)
 347             msgs[msgp++] = "cur";
 348         maildir = m_maildir (dfolder);
 349
 350         if (chdir (maildir) == NOTOK)
 351             adios (maildir, "unable to change directory to");
 352
 353         /* read folder and create message structure */
 354         if (!(mp = folder_read (dfolder, 1)))
 355             adios (NULL, "unable to read folder %s", dfolder);
 356
 357         /* check for empty folder */
 358         if (mp->nummsg == 0)
 359             adios (NULL, "no messages in %s", dfolder);
 360
 361         /* parse all the message ranges/sequences and set SELECTED */
 362         for (msgnum = 0; msgnum < msgp; msgnum++)
 363             if (!m_convert (mp, msgs[msgnum]))
 364                 done (1);
 365         seq_setprev (mp);       /* set the previous-sequence */
 366
 367         for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 368             if (is_selected (mp, msgnum)) {
 369                 msgs[msgp++] = getcpy (m_name (msgnum));
 370                 unset_exists (mp, msgnum);
 371             }
 372         }
 373
 374         mp->msgflags |= SEQMOD;
 375         seq_save (mp);
 376     }
 377
 378 #ifdef WHATNOW
 379 go_to_it:
 380 #endif /* WHATNOW */
 381
 382     if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
 383         if ((cp = context_find ("signature")) && *cp)
 384             m_putenv ("SIGNATURE", cp);
 385
 386     for (msgnum = 0; msgnum < msgp; msgnum++)
 387         if (stat (msgs[msgnum], &st) == NOTOK)
 388             adios (msgs[msgnum], "unable to stat draft file");
 389
 390     if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
 391         annotext = NULL;
 392     if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
 393         inplace = atoi (cp);
 394     if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
 395         altmsg = NULL;  /* used by dist interface - see below */
 396
 397     if ((cp = getenv ("mhdist"))
 398             && *cp
 399             && (distsw = atoi (cp))
 400             && altmsg) {
 401         vec[vecp++] = "-dist";
 402         distfile = getcpy (m_mktemp2 (altmsg, invo_name, NULL, NULL));
 403         unlink(distfile);
 404         if (link (altmsg, distfile) == NOTOK) {
 405             /* Cygwin with FAT32 filesystem produces EPERM. */
 406             if (errno != EXDEV  &&  errno != EPERM
 407 #ifdef EISREMOTE
 408                     && errno != EISREMOTE
 409 #endif /* EISREMOTE */
 410                 )
 411                 adios (distfile, "unable to link %s to", altmsg);
 412             free (distfile);
 413             distfile = getcpy (m_mktemp2(NULL, invo_name, NULL, NULL));
 414             {
 415                 int in, out;
 416                 struct stat st;
 417
 418                 if ((in = open (altmsg, O_RDONLY)) == NOTOK)
 419                     adios (altmsg, "unable to open");
 420                 fstat(in, &st);
 421                 if ((out = creat (distfile, (int) st.st_mode & 0777)) == NOTOK)
 422                     adios (distfile, "unable to write");
 423                 cpydata (in, out, altmsg, distfile);
 424                 close (in);
 425                 close (out);
 426             }
 427         }
 428     } else {
 429         distfile = NULL;
 430     }
 431
 432     if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
 433         st.st_mtime = 0;
 434         st.st_dev = 0;
 435         st.st_ino = 0;
 436     }
 437     if (pushsw)
 438         push ();
 439
 440     status = 0;
 441     closefds (3);
 442
 443     for (msgnum = 0; msgnum < msgp; msgnum++) {
 444         switch (sendsbr (vec, vecp, program, msgs[msgnum], &st, 1, attach,
 445                          attachformat)) {
 446             case DONE:
 447                 done (++status);
 448             case NOTOK:
 449                 status++;       /* fall */
 450             case OK:
 451                 break;
 452         }
 453     }
 454
 455     context_save ();    /* save the context file */
 456     done (status);
 457     return 1;
 458 }