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("saslmech mechanism", SASLminc(6), SASLMECHSW) \
  67     X("authservice", SASLminc(0), AUTHSERVICESW) \
  68     X("user username", SASLminc(-4), USERSW) \
  69     X("attach", -6, ATTACHSW) \
  70     X("noattach", -8, NOATTACHSW) \
  71     X("attachformat", 7, ATTACHFORMATSW) \
  72     X("port server-port-name/number", 4, PORTSW) \
  73     X("tls", TLSminc(-3), TLSSW) \
  74     X("initialtls", TLSminc(-10), INITTLSSW) \
  75     X("notls", TLSminc(-5), NTLSSW) \
  76     X("sendmail program", 0, MTSSM) \
  77     X("mts smtp|sendmail/smtp|sendmail/pipe", 2, MTSSW) \
  78     X("messageid localname|random", 2, MESSAGEIDSW) \
  79
  80 #define X(sw, minchars, id) id,
  81 DEFINE_SWITCH_ENUM(SEND);
  82 #undef X
  83
  84 #define X(sw, minchars, id) { sw, minchars, id },
  85 DEFINE_SWITCH_ARRAY(SEND, switches);
  86 #undef X
  87
  88 #define USE_SWITCHES \
  89     X("no", 0, NOSW) \
  90     X("yes", 0, YESW) \
  91     X("list", 0, LISTDSW) \
  92
  93 #define X(sw, minchars, id) id,
  94 DEFINE_SWITCH_ENUM(USE);
  95 #undef X
  96
  97 #define X(sw, minchars, id) { sw, minchars, id },
  98 DEFINE_SWITCH_ARRAY(USE, anyl);
  99 #undef X
 100
 101 extern int debugsw;             /* from sendsbr.c */
 102 extern int forwsw;
 103 extern int inplace;
 104 extern int pushsw;
 105 extern int splitsw;
 106 extern int unique;
 107 extern int verbsw;
 108
 109 extern char *altmsg;            /*  .. */
 110 extern char *annotext;
 111 extern char *distfile;
 112
 113
 114 int
 115 main (int argc, char **argv)
 116 {
 117     int msgp = 0, distsw = 0, vecp;
 118     int isdf = 0, mime = 0;
 119     int msgnum, status;
 120     char *cp, *dfolder = NULL, *maildir = NULL;
 121     char buf[BUFSIZ], **ap, **argp, **arguments, *program;
 122     char *msgs[MAXARGS], **vec;
 123     const char *user = NULL, *saslmech = NULL;
 124     struct msgs *mp;
 125     struct stat st;
 126     int snoop = 0;
 127     char *auth_svc = NULL;
 128
 129     if (nmh_init(argv[0], 1)) { return 1; }
 130
 131     arguments = getarguments (invo_name, argc, argv, 1);
 132     argp = arguments;
 133
 134     vec = argsplit(postproc, &program, &vecp);
 135
 136     vec[vecp++] = "-library";
 137     vec[vecp++] = getcpy (m_maildir (""));
 138
 139     if ((cp = context_find ("fileproc"))) {
 140         vec[vecp++] = "-fileproc";
 141         vec[vecp++] = cp;
 142     }
 143
 144     if ((cp = context_find ("mhlproc"))) {
 145         vec[vecp++] = "-mhlproc";
 146         vec[vecp++] = cp;
 147     }
 148
 149     if ((cp = context_find ("credentials"))) {
 150         /* post doesn't read context so need to pass credentials. */
 151         vec[vecp++] = "-credentials";
 152         vec[vecp++] = cp;
 153     }
 154
 155     while ((cp = *argp++)) {
 156         if (*cp == '-') {
 157             switch (smatch (++cp, switches)) {
 158                 case AMBIGSW:
 159                     ambigsw (cp, switches);
 160                     done (1);
 161                 case UNKWNSW:
 162                     adios (NULL, "-%s unknown\n", cp);
 163
 164                 case HELPSW:
 165                     snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
 166                     print_help (buf, switches, 1);
 167                     done (0);
 168                 case VERSIONSW:
 169                     print_version(invo_name);
 170                     done (0);
 171
 172                 case DRAFTSW:
 173                     msgs[msgp++] = draft;
 174                     continue;
 175
 176                 case DFOLDSW:
 177                     if (dfolder)
 178                         adios (NULL, "only one draft folder at a time!");
 179                     if (!(cp = *argp++) || *cp == '-')
 180                         adios (NULL, "missing argument to %s", argp[-2]);
 181                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 182                             *cp != '@' ? TFOLDER : TSUBCWF);
 183                     continue;
 184                 case DMSGSW:
 185                     if (!(cp = *argp++) || *cp == '-')
 186                         adios (NULL, "missing argument to %s", argp[-2]);
 187                     msgs[msgp++] = cp;
 188                     continue;
 189                 case NDFLDSW:
 190                     dfolder = NULL;
 191                     isdf = NOTOK;
 192                     continue;
 193
 194                 case PUSHSW:
 195                     pushsw++;
 196                     continue;
 197                 case NPUSHSW:
 198                     pushsw = 0;
 199                     continue;
 200
 201                 case SPLITSW:
 202                     if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
 203                         adios (NULL, "missing argument to %s", argp[-2]);
 204                     continue;
 205
 206                 case UNIQSW:
 207                     unique++;
 208                     continue;
 209                 case NUNIQSW:
 210                     unique = 0;
 211                     continue;
 212
 213                 case FORWSW:
 214                     forwsw++;
 215                     continue;
 216                 case NFORWSW:
 217                     forwsw = 0;
 218                     continue;
 219
 220                 case VERBSW:
 221                     verbsw++;
 222                     vec[vecp++] = --cp;
 223                     continue;
 224                 case NVERBSW:
 225                     verbsw = 0;
 226                     vec[vecp++] = --cp;
 227                     continue;
 228
 229                 case MIMESW:
 230                     mime++;
 231                     vec[vecp++] = --cp;
 232                     continue;
 233                 case NMIMESW:
 234                     mime = 0;
 235                     vec[vecp++] = --cp;
 236                     continue;
 237
 238                 case SNOOPSW:
 239                     snoop++;
 240                     vec[vecp++] = --cp;
 241                     continue;
 242
 243                 case DEBUGSW:
 244                     debugsw++;  /* fall */
 245                 case NFILTSW:
 246                 case FRMTSW:
 247                 case NFRMTSW:
 248                 case BITSTUFFSW:
 249                 case NBITSTUFFSW:
 250                 case MSGDSW:
 251                 case NMSGDSW:
 252                 case WATCSW:
 253                 case NWATCSW:
 254                 case SASLSW:
 255                 case NOSASLSW:
 256                 case TLSSW:
 257                 case INITTLSSW:
 258                 case NTLSSW:
 259                     vec[vecp++] = --cp;
 260                     continue;
 261
 262                 case USERSW:
 263                     vec[vecp++] = --cp;
 264                     if (!(cp = *argp++) || *cp == '-')
 265                         adios (NULL, "missing argument to %s", argp[-2]);
 266                     vec[vecp++] = cp;
 267                     user = cp;
 268                     continue;
 269
 270                 case AUTHSERVICESW:
 271 #ifdef OAUTH_SUPPORT
 272                     if (!(auth_svc = *argp++) || *auth_svc == '-')
 273                         adios (NULL, "missing argument to %s", argp[-2]);
 274 #else
 275                     adios (NULL, "not built with OAuth support");
 276 #endif
 277                     continue;
 278
 279                 case SASLMECHSW:
 280                     if (!(saslmech = *argp) || *saslmech == '-')
 281                         adios (NULL, "missing argument to %s", argp[-2]);
 282                     /* Fall through */
 283
 284                 case ALIASW:
 285                 case FILTSW:
 286                 case WIDTHSW:
 287                 case CLIESW:
 288                 case SERVSW:
 289                 case PORTSW:
 290                 case MTSSM:
 291                 case MTSSW:
 292                 case MESSAGEIDSW:
 293                     vec[vecp++] = --cp;
 294                     if (!(cp = *argp++) || *cp == '-')
 295                         adios (NULL, "missing argument to %s", argp[-2]);
 296                     vec[vecp++] = cp;
 297                     continue;
 298
 299                 case ATTACHSW:
 300                     advise(NULL, "The -attach switch is deprecated");
 301                     continue;
 302                 case NOATTACHSW:
 303                     advise(NULL, "The -noattach switch is deprecated");
 304                     continue;
 305
 306                 case ATTACHFORMATSW:
 307                     advise(NULL, "The -attachformat switch is deprecated");
 308                     continue;
 309             }
 310         } else {
 311             msgs[msgp++] = cp;
 312         }
 313     }
 314
 315     /*
 316      * check for "Aliasfile:" profile entry
 317      */
 318     if ((cp = context_find ("Aliasfile"))) {
 319         char *dp = NULL;
 320
 321         for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++) {
 322             vec[vecp++] = "-alias";
 323             vec[vecp++] = *ap;
 324         }
 325     }
 326
 327     if (dfolder == NULL) {
 328         if (msgp == 0) {
 329             msgs[msgp++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
 330             if (stat (msgs[0], &st) == NOTOK)
 331                 adios (msgs[0], "unable to stat draft file");
 332             cp = concat ("Use \"", msgs[0], "\"? ", NULL);
 333             for (status = LISTDSW; status != YESW;) {
 334                 if (!(argp = read_switch_multiword (cp, anyl)))
 335                     done (1);
 336                 switch (status = smatch (*argp, anyl)) {
 337                     case NOSW:
 338                         done (0);
 339                     case YESW:
 340                         break;
 341                     case LISTDSW:
 342                         showfile (++argp, msgs[0]);
 343                         break;
 344                     default:
 345                         advise (NULL, "say what?");
 346                         break;
 347                 }
 348             }
 349         } else {
 350             for (msgnum = 0; msgnum < msgp; msgnum++)
 351                 msgs[msgnum] = getcpy (m_maildir (msgs[msgnum]));
 352         }
 353     } else {
 354         if (!context_find ("path"))
 355             free (path ("./", TFOLDER));
 356
 357         if (!msgp)
 358             msgs[msgp++] = "cur";
 359         maildir = m_maildir (dfolder);
 360
 361         if (chdir (maildir) == NOTOK)
 362             adios (maildir, "unable to change directory to");
 363
 364         /* read folder and create message structure */
 365         if (!(mp = folder_read (dfolder, 1)))
 366             adios (NULL, "unable to read folder %s", dfolder);
 367
 368         /* check for empty folder */
 369         if (mp->nummsg == 0)
 370             adios (NULL, "no messages in %s", dfolder);
 371
 372         /* parse all the message ranges/sequences and set SELECTED */
 373         for (msgnum = 0; msgnum < msgp; msgnum++)
 374             if (!m_convert (mp, msgs[msgnum]))
 375                 done (1);
 376         seq_setprev (mp);       /* set the previous-sequence */
 377
 378         for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 379             if (is_selected (mp, msgnum)) {
 380                 msgs[msgp++] = getcpy (m_name (msgnum));
 381                 unset_exists (mp, msgnum);
 382             }
 383         }
 384
 385         mp->msgflags |= SEQMOD;
 386         seq_save (mp);
 387     }
 388
 389 #ifdef WHATNOW
 390 go_to_it:
 391 #endif /* WHATNOW */
 392
 393     if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
 394         if ((cp = context_find ("signature")) && *cp)
 395             m_putenv ("SIGNATURE", cp);
 396
 397     for (msgnum = 0; msgnum < msgp; msgnum++)
 398         if (stat (msgs[msgnum], &st) == NOTOK)
 399             adios (msgs[msgnum], "unable to stat draft file");
 400
 401     if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
 402         annotext = NULL;
 403     if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
 404         inplace = atoi (cp);
 405     if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
 406         altmsg = NULL;  /* used by dist interface - see below */
 407
 408     if ((cp = getenv ("mhdist"))
 409             && *cp
 410             && (distsw = atoi (cp))
 411             && altmsg) {
 412         vec[vecp++] = "-dist";
 413         if ((cp = m_mktemp2(altmsg, invo_name, NULL, NULL)) == NULL) {
 414             adios(NULL, "unable to create temporary file in %s",
 415                   get_temp_dir());
 416         }
 417         distfile = getcpy (cp);
 418         (void) m_unlink(distfile);
 419         if (link (altmsg, distfile) == NOTOK) {
 420             /* Cygwin with FAT32 filesystem produces EPERM. */
 421             if (errno != EXDEV  &&  errno != EPERM
 422 #ifdef EISREMOTE
 423                     && errno != EISREMOTE
 424 #endif /* EISREMOTE */
 425                 )
 426                 adios (distfile, "unable to link %s to", altmsg);
 427             free (distfile);
 428             if ((cp = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
 429                 adios(NULL, "unable to create temporary file in %s",
 430                       get_temp_dir());
 431             }
 432             distfile = getcpy (cp);
 433             {
 434                 int in, out;
 435                 struct stat st;
 436
 437                 if ((in = open (altmsg, O_RDONLY)) == NOTOK)
 438                     adios (altmsg, "unable to open");
 439                 fstat(in, &st);
 440                 if ((out = creat (distfile, (int) st.st_mode & 0777)) == NOTOK)
 441                     adios (distfile, "unable to write");
 442                 cpydata (in, out, altmsg, distfile);
 443                 close (in);
 444                 close (out);
 445             }
 446         }
 447     } else {
 448         distfile = NULL;
 449     }
 450
 451 #ifdef OAUTH_SUPPORT
 452     if (auth_svc == NULL) {
 453         if (saslmech  &&  ! strcasecmp(saslmech, "xoauth2")) {
 454             adios (NULL, "must specify -authservice with -saslmech xoauth2");
 455         }
 456     } else {
 457         if (user == NULL) {
 458             adios (NULL, "must specify -user with -saslmech xoauth2");
 459         }
 460     }
 461 #else
 462     NMH_UNUSED(auth_svc);
 463     NMH_UNUSED(user);
 464     NMH_UNUSED(saslmech);
 465 #endif /* OAUTH_SUPPORT */
 466
 467     if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
 468         st.st_mtime = 0;
 469         st.st_dev = 0;
 470         st.st_ino = 0;
 471     }
 472     if (pushsw)
 473         push ();
 474
 475     status = 0;
 476     closefds (3);
 477
 478     for (msgnum = 0; msgnum < msgp; msgnum++) {
 479         switch (sendsbr (vec, vecp, program, msgs[msgnum], &st, 1, auth_svc)) {
 480             case DONE:
 481                 done (++status);
 482             case NOTOK:
 483                 status++;       /* fall */
 484             case OK:
 485                 break;
 486         }
 487     }
 488
 489     context_save ();    /* save the context file */
 490     done (status);
 491     return 1;
 492 }