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 <h/utils.h>
  13
  14 #ifdef OAUTH_SUPPORT
  15 # include <h/oauth.h>
  16 #endif
  17
  18 #ifndef CYRUS_SASL
  19 # define SASLminc(a) (a)
  20 #else /* CYRUS_SASL */
  21 # define SASLminc(a)  0
  22 #endif /* CYRUS_SASL */
  23
  24 #ifndef TLS_SUPPORT
  25 # define TLSminc(a)  (a)
  26 #else /* TLS_SUPPORT */
  27 # define TLSminc(a)   0
  28 #endif /* TLS_SUPPORT */
  29
  30 #define SEND_SWITCHES \
  31     X("alias aliasfile", 0, ALIASW) \
  32     X("debug", -5, DEBUGSW) \
  33     X("draft", 0, DRAFTSW) \
  34     X("draftfolder +folder", 6, DFOLDSW) \
  35     X("draftmessage msg", 6, DMSGSW) \
  36     X("nodraftfolder", 0, NDFLDSW) \
  37     X("filter filterfile", 0, FILTSW) \
  38     X("nofilter", 0, NFILTSW) \
  39     X("format", 0, FRMTSW) \
  40     X("noformat", 0, NFRMTSW) \
  41     X("forward", 0, FORWSW) \
  42     X("noforward", 0, NFORWSW) \
  43     X("mime", 0, MIMESW) \
  44     X("nomime", 0, NMIMESW) \
  45     X("msgid", 0, MSGDSW) \
  46     X("nomsgid", 0, NMSGDSW) \
  47     X("push", 0, PUSHSW) \
  48     X("nopush", 0, NPUSHSW) \
  49     X("split seconds", 0, SPLITSW) \
  50     X("unique", -6, UNIQSW) \
  51     X("nounique", -8, NUNIQSW) \
  52     X("verbose", 0, VERBSW) \
  53     X("noverbose", 0, NVERBSW) \
  54     X("watch", 0, WATCSW) \
  55     X("nowatch", 0, NWATCSW) \
  56     X("width columns", 0, WIDTHSW) \
  57     X("version", 0, VERSIONSW) \
  58     X("help", 0, HELPSW) \
  59     X("dashstuffing", -12, BITSTUFFSW) \
  60     X("nodashstuffing", -14, NBITSTUFFSW) \
  61     X("client host", -6, CLIESW) \
  62     X("server host", 6, SERVSW) \
  63     X("snoop", 5, SNOOPSW) \
  64     X("sasl", SASLminc(4), SASLSW) \
  65     X("nosasl", SASLminc(6), NOSASLSW) \
  66     X("saslmaxssf", SASLminc(6), SASLMXSSFSW) \
  67     X("saslmech mechanism", SASLminc(6), SASLMECHSW) \
  68     X("authservice", SASLminc(0), AUTHSERVICESW) \
  69     X("user username", SASLminc(-4), USERSW) \
  70     X("attach", -6, ATTACHSW) \
  71     X("noattach", -8, NOATTACHSW) \
  72     X("attachformat", 7, ATTACHFORMATSW) \
  73     X("port server-port-name/number", 4, PORTSW) \
  74     X("tls", TLSminc(-3), TLSSW) \
  75     X("initialtls", TLSminc(-10), INITTLSSW) \
  76     X("notls", TLSminc(-5), NTLSSW) \
  77     X("sendmail program", 0, MTSSM) \
  78     X("mts smtp|sendmail/smtp|sendmail/pipe", 2, MTSSW) \
  79     X("messageid localname|random", 2, MESSAGEIDSW) \
  80
  81 #define X(sw, minchars, id) id,
  82 DEFINE_SWITCH_ENUM(SEND);
  83 #undef X
  84
  85 #define X(sw, minchars, id) { sw, minchars, id },
  86 DEFINE_SWITCH_ARRAY(SEND, switches);
  87 #undef X
  88
  89 #define USE_SWITCHES \
  90     X("no", 0, NOSW) \
  91     X("yes", 0, YESW) \
  92     X("list", 0, LISTDSW) \
  93
  94 #define X(sw, minchars, id) id,
  95 DEFINE_SWITCH_ENUM(USE);
  96 #undef X
  97
  98 #define X(sw, minchars, id) { sw, minchars, id },
  99 DEFINE_SWITCH_ARRAY(USE, anyl);
 100 #undef X
 101
 102 extern int debugsw;             /* from sendsbr.c */
 103 extern int forwsw;
 104 extern int inplace;
 105 extern int pushsw;
 106 extern int splitsw;
 107 extern int unique;
 108 extern int verbsw;
 109
 110 extern char *altmsg;            /*  .. */
 111 extern char *annotext;
 112 extern char *distfile;
 113
 114
 115 int
 116 main (int argc, char **argv)
 117 {
 118     int msgp = 0, distsw = 0, vecp;
 119     int isdf = 0, mime = 0;
 120     int msgnum, status;
 121     char *cp, *dfolder = NULL, *maildir = NULL;
 122     char buf[BUFSIZ], **ap, **argp, **arguments, *program;
 123     char *msgs[MAXARGS], **vec;
 124     const char *user = NULL, *saslmech = NULL;
 125     struct msgs *mp;
 126     struct stat st;
 127     int snoop = 0;
 128     char *auth_svc = NULL;
 129
 130     if (nmh_init(argv[0], 1)) { return 1; }
 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     if ((cp = context_find ("credentials"))) {
 151         /* post doesn't read context so need to pass credentials. */
 152         vec[vecp++] = "-credentials";
 153         vec[vecp++] = cp;
 154     }
 155
 156     while ((cp = *argp++)) {
 157         if (*cp == '-') {
 158             switch (smatch (++cp, switches)) {
 159                 case AMBIGSW:
 160                     ambigsw (cp, switches);
 161                     done (1);
 162                 case UNKWNSW:
 163                     adios (NULL, "-%s unknown\n", cp);
 164
 165                 case HELPSW:
 166                     snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
 167                     print_help (buf, switches, 1);
 168                     done (0);
 169                 case VERSIONSW:
 170                     print_version(invo_name);
 171                     done (0);
 172
 173                 case DRAFTSW:
 174                     msgs[msgp++] = draft;
 175                     continue;
 176
 177                 case DFOLDSW:
 178                     if (dfolder)
 179                         adios (NULL, "only one draft folder at a time!");
 180                     if (!(cp = *argp++) || *cp == '-')
 181                         adios (NULL, "missing argument to %s", argp[-2]);
 182                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 183                             *cp != '@' ? TFOLDER : TSUBCWF);
 184                     continue;
 185                 case DMSGSW:
 186                     if (!(cp = *argp++) || *cp == '-')
 187                         adios (NULL, "missing argument to %s", argp[-2]);
 188                     msgs[msgp++] = cp;
 189                     continue;
 190                 case NDFLDSW:
 191                     dfolder = NULL;
 192                     isdf = NOTOK;
 193                     continue;
 194
 195                 case PUSHSW:
 196                     pushsw++;
 197                     continue;
 198                 case NPUSHSW:
 199                     pushsw = 0;
 200                     continue;
 201
 202                 case SPLITSW:
 203                     if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
 204                         adios (NULL, "missing argument to %s", argp[-2]);
 205                     continue;
 206
 207                 case UNIQSW:
 208                     unique++;
 209                     continue;
 210                 case NUNIQSW:
 211                     unique = 0;
 212                     continue;
 213
 214                 case FORWSW:
 215                     forwsw++;
 216                     continue;
 217                 case NFORWSW:
 218                     forwsw = 0;
 219                     continue;
 220
 221                 case VERBSW:
 222                     verbsw++;
 223                     vec[vecp++] = --cp;
 224                     continue;
 225                 case NVERBSW:
 226                     verbsw = 0;
 227                     vec[vecp++] = --cp;
 228                     continue;
 229
 230                 case MIMESW:
 231                     mime++;
 232                     vec[vecp++] = --cp;
 233                     continue;
 234                 case NMIMESW:
 235                     mime = 0;
 236                     vec[vecp++] = --cp;
 237                     continue;
 238
 239                 case SNOOPSW:
 240                     snoop++;
 241                     vec[vecp++] = --cp;
 242                     continue;
 243
 244                 case DEBUGSW:
 245                     debugsw++;  /* fall */
 246                 case NFILTSW:
 247                 case FRMTSW:
 248                 case NFRMTSW:
 249                 case BITSTUFFSW:
 250                 case NBITSTUFFSW:
 251                 case MSGDSW:
 252                 case NMSGDSW:
 253                 case WATCSW:
 254                 case NWATCSW:
 255                 case SASLSW:
 256                 case NOSASLSW:
 257                 case TLSSW:
 258                 case INITTLSSW:
 259                 case NTLSSW:
 260                     vec[vecp++] = --cp;
 261                     continue;
 262
 263                 case USERSW:
 264                     vec[vecp++] = --cp;
 265                     if (!(cp = *argp++) || *cp == '-')
 266                         adios (NULL, "missing argument to %s", argp[-2]);
 267                     vec[vecp++] = cp;
 268                     user = cp;
 269                     continue;
 270
 271                 case SASLMECHSW:
 272                     if (!(saslmech = *argp++) || *saslmech == '-')
 273                         adios (NULL, "missing argument to %s", argp[-2]);
 274                     continue;
 275
 276                 case AUTHSERVICESW:
 277 #ifdef OAUTH_SUPPORT
 278                     if (!(auth_svc = *argp++) || *auth_svc == '-')
 279                         adios (NULL, "missing argument to %s", argp[-2]);
 280 #else
 281                     adios (NULL, "not built with OAuth support");
 282 #endif
 283                     continue;
 284
 285                 case ALIASW:
 286                 case FILTSW:
 287                 case WIDTHSW:
 288                 case CLIESW:
 289                 case SERVSW:
 290                 case SASLMXSSFSW:
 291                 case PORTSW:
 292                 case MTSSM:
 293                 case MTSSW:
 294                 case MESSAGEIDSW:
 295                     vec[vecp++] = --cp;
 296                     if (!(cp = *argp++) || *cp == '-')
 297                         adios (NULL, "missing argument to %s", argp[-2]);
 298                     vec[vecp++] = cp;
 299                     continue;
 300
 301                 case ATTACHSW:
 302                     advise(NULL, "The -attach switch is deprecated");
 303                     continue;
 304                 case NOATTACHSW:
 305                     advise(NULL, "The -noattach switch is deprecated");
 306                     continue;
 307
 308                 case ATTACHFORMATSW:
 309                     advise(NULL, "The -attachformat switch is deprecated");
 310                     continue;
 311             }
 312         } else {
 313             msgs[msgp++] = cp;
 314         }
 315     }
 316
 317     /*
 318      * check for "Aliasfile:" profile entry
 319      */
 320     if ((cp = context_find ("Aliasfile"))) {
 321         char *dp = NULL;
 322
 323         for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++) {
 324             vec[vecp++] = "-alias";
 325             vec[vecp++] = *ap;
 326         }
 327     }
 328
 329     if (dfolder == NULL) {
 330         if (msgp == 0) {
 331             msgs[msgp++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
 332             if (stat (msgs[0], &st) == NOTOK)
 333                 adios (msgs[0], "unable to stat draft file");
 334             cp = concat ("Use \"", msgs[0], "\"? ", NULL);
 335             for (status = LISTDSW; status != YESW;) {
 336                 if (!(argp = getans (cp, anyl)))
 337                     done (1);
 338                 switch (status = smatch (*argp, anyl)) {
 339                     case NOSW:
 340                         done (0);
 341                     case YESW:
 342                         break;
 343                     case LISTDSW:
 344                         showfile (++argp, msgs[0]);
 345                         break;
 346                     default:
 347                         advise (NULL, "say what?");
 348                         break;
 349                 }
 350             }
 351         } else {
 352             for (msgnum = 0; msgnum < msgp; msgnum++)
 353                 msgs[msgnum] = getcpy (m_maildir (msgs[msgnum]));
 354         }
 355     } else {
 356         if (!context_find ("path"))
 357             free (path ("./", TFOLDER));
 358
 359         if (!msgp)
 360             msgs[msgp++] = "cur";
 361         maildir = m_maildir (dfolder);
 362
 363         if (chdir (maildir) == NOTOK)
 364             adios (maildir, "unable to change directory to");
 365
 366         /* read folder and create message structure */
 367         if (!(mp = folder_read (dfolder, 1)))
 368             adios (NULL, "unable to read folder %s", dfolder);
 369
 370         /* check for empty folder */
 371         if (mp->nummsg == 0)
 372             adios (NULL, "no messages in %s", dfolder);
 373
 374         /* parse all the message ranges/sequences and set SELECTED */
 375         for (msgnum = 0; msgnum < msgp; msgnum++)
 376             if (!m_convert (mp, msgs[msgnum]))
 377                 done (1);
 378         seq_setprev (mp);       /* set the previous-sequence */
 379
 380         for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 381             if (is_selected (mp, msgnum)) {
 382                 msgs[msgp++] = getcpy (m_name (msgnum));
 383                 unset_exists (mp, msgnum);
 384             }
 385         }
 386
 387         mp->msgflags |= SEQMOD;
 388         seq_save (mp);
 389     }
 390
 391 #ifdef WHATNOW
 392 go_to_it:
 393 #endif /* WHATNOW */
 394
 395     if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
 396         if ((cp = context_find ("signature")) && *cp)
 397             m_putenv ("SIGNATURE", cp);
 398
 399     for (msgnum = 0; msgnum < msgp; msgnum++)
 400         if (stat (msgs[msgnum], &st) == NOTOK)
 401             adios (msgs[msgnum], "unable to stat draft file");
 402
 403     if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
 404         annotext = NULL;
 405     if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
 406         inplace = atoi (cp);
 407     if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
 408         altmsg = NULL;  /* used by dist interface - see below */
 409
 410     if ((cp = getenv ("mhdist"))
 411             && *cp
 412             && (distsw = atoi (cp))
 413             && altmsg) {
 414         vec[vecp++] = "-dist";
 415         if ((cp = m_mktemp2(altmsg, invo_name, NULL, NULL)) == NULL) {
 416             adios(NULL, "unable to create temporary file in %s",
 417                   get_temp_dir());
 418         }
 419         distfile = getcpy (cp);
 420         (void) m_unlink(distfile);
 421         if (link (altmsg, distfile) == NOTOK) {
 422             /* Cygwin with FAT32 filesystem produces EPERM. */
 423             if (errno != EXDEV  &&  errno != EPERM
 424 #ifdef EISREMOTE
 425                     && errno != EISREMOTE
 426 #endif /* EISREMOTE */
 427                 )
 428                 adios (distfile, "unable to link %s to", altmsg);
 429             free (distfile);
 430             if ((cp = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
 431                 adios(NULL, "unable to create temporary file in %s",
 432                       get_temp_dir());
 433             }
 434             distfile = getcpy (cp);
 435             {
 436                 int in, out;
 437                 struct stat st;
 438
 439                 if ((in = open (altmsg, O_RDONLY)) == NOTOK)
 440                     adios (altmsg, "unable to open");
 441                 fstat(in, &st);
 442                 if ((out = creat (distfile, (int) st.st_mode & 0777)) == NOTOK)
 443                     adios (distfile, "unable to write");
 444                 cpydata (in, out, altmsg, distfile);
 445                 close (in);
 446                 close (out);
 447             }
 448         }
 449     } else {
 450         distfile = NULL;
 451     }
 452
 453 #ifdef OAUTH_SUPPORT
 454     if (auth_svc == NULL) {
 455         if (saslmech  &&  ! strcasecmp(saslmech, "xoauth2")) {
 456             adios (NULL, "must specify -authservice with -saslmech xoauth2");
 457         }
 458     } else {
 459         if (user == NULL) {
 460             adios (NULL, "must specify -user with -saslmech xoauth2");
 461         }
 462
 463         vec[vecp++] = "-authservice";
 464         if (saslmech  &&  ! strcasecmp(saslmech, "xoauth2")) {
 465             vec[vecp++] = mh_oauth_do_xoauth (user, auth_svc, snoop ? stderr : NULL);
 466         } else {
 467             vec[vecp++] = auth_svc;
 468         }
 469     }
 470 #else
 471     NMH_UNUSED(auth_svc);
 472     NMH_UNUSED(user);
 473     NMH_UNUSED(saslmech);
 474 #endif /* OAUTH_SUPPORT */
 475
 476     if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
 477         st.st_mtime = 0;
 478         st.st_dev = 0;
 479         st.st_ino = 0;
 480     }
 481     if (pushsw)
 482         push ();
 483
 484     status = 0;
 485     closefds (3);
 486
 487     for (msgnum = 0; msgnum < msgp; msgnum++) {
 488         switch (sendsbr (vec, vecp, program, msgs[msgnum], &st, 1)) {
 489             case DONE:
 490                 done (++status);
 491             case NOTOK:
 492                 status++;       /* fall */
 493             case OK:
 494                 break;
 495         }
 496     }
 497
 498     context_save ();    /* save the context file */
 499     done (status);
 500     return 1;
 501 }