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

   1 /* send.c -- send a composed message
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include "h/mh.h"
   9 #include "sbr/smatch.h"
  10 #include "sbr/closefds.h"
  11 #include "sbr/cpydata.h"
  12 #include "sbr/m_draft.h"
  13 #include "sbr/m_convert.h"
  14 #include "sbr/folder_read.h"
  15 #include "sbr/context_save.h"
  16 #include "sbr/context_find.h"
  17 #include "sbr/brkstring.h"
  18 #include "sbr/ambigsw.h"
  19 #include "sbr/push.h"
  20 #include "sbr/path.h"
  21 #include "sbr/print_version.h"
  22 #include "sbr/print_help.h"
  23 #include "sbr/arglist.h"
  24 #include "sbr/error.h"
  25 #include <fcntl.h>
  26 #include "h/done.h"
  27 #include "h/utils.h"
  28 #ifdef OAUTH_SUPPORT
  29 #include "h/oauth.h"
  30 #endif
  31 #include "sbr/m_maildir.h"
  32 #include "sbr/m_mktemp.h"
  33
  34 #ifndef CYRUS_SASL
  35 # define SASLminc(a) (a)
  36 #else /* CYRUS_SASL */
  37 # define SASLminc(a)  0
  38 #endif /* CYRUS_SASL */
  39
  40 #ifndef TLS_SUPPORT
  41 # define TLSminc(a)  (a)
  42 #else /* TLS_SUPPORT */
  43 # define TLSminc(a)   0
  44 #endif /* TLS_SUPPORT */
  45
  46 #define SEND_SWITCHES \
  47     X("alias aliasfile", 0, ALIASW) \
  48     X("debug", -5, DEBUGSW) \
  49     X("draft", 0, DRAFTSW) \
  50     X("draftfolder +folder", 6, DFOLDSW) \
  51     X("draftmessage msg", 6, DMSGSW) \
  52     X("nodraftfolder", 0, NDFLDSW) \
  53     X("filter filterfile", 0, FILTSW) \
  54     X("nofilter", 0, NFILTSW) \
  55     X("format", 0, FRMTSW) \
  56     X("noformat", 0, NFRMTSW) \
  57     X("forward", 0, FORWSW) \
  58     X("noforward", 0, NFORWSW) \
  59     X("mime", 0, MIMESW) \
  60     X("nomime", 0, NMIMESW) \
  61     X("msgid", 0, MSGDSW) \
  62     X("nomsgid", 0, NMSGDSW) \
  63     X("push", 0, PUSHSW) \
  64     X("nopush", 0, NPUSHSW) \
  65     X("split seconds", 0, SPLITSW) \
  66     X("unique", -6, UNIQSW) \
  67     X("nounique", -8, NUNIQSW) \
  68     X("verbose", 0, VERBSW) \
  69     X("noverbose", 0, NVERBSW) \
  70     X("watch", 0, WATCSW) \
  71     X("nowatch", 0, NWATCSW) \
  72     X("width columns", 0, WIDTHSW) \
  73     X("version", 0, VERSIONSW) \
  74     X("help", 0, HELPSW) \
  75     X("dashstuffing", -12, BITSTUFFSW) \
  76     X("nodashstuffing", -14, NBITSTUFFSW) \
  77     X("client host", -6, CLIESW) \
  78     X("server host", 6, SERVSW) \
  79     X("snoop", 5, SNOOPSW) \
  80     X("sasl", SASLminc(4), SASLSW) \
  81     X("nosasl", SASLminc(6), NOSASLSW) \
  82     X("saslmech mechanism", SASLminc(6), SASLMECHSW) \
  83     X("authservice", SASLminc(0), AUTHSERVICESW) \
  84     X("user username", SASLminc(-4), USERSW) \
  85     X("port server-port-name/number", 4, PORTSW) \
  86     X("tls", TLSminc(-3), TLSSW) \
  87     X("initialtls", TLSminc(-10), INITTLSSW) \
  88     X("notls", TLSminc(-5), NTLSSW) \
  89     X("certverify", TLSminc(-10), CERTVERSW) \
  90     X("nocertverify", TLSminc(-12), NOCERTVERSW) \
  91     X("sendmail program", 0, MTSSM) \
  92     X("mts smtp|sendmail/smtp|sendmail/pipe", 2, MTSSW) \
  93     X("messageid localname|random", 2, MESSAGEIDSW) \
  94
  95 #define X(sw, minchars, id) id,
  96 DEFINE_SWITCH_ENUM(SEND);
  97 #undef X
  98
  99 #define X(sw, minchars, id) { sw, minchars, id },
 100 DEFINE_SWITCH_ARRAY(SEND, switches);
 101 #undef X
 102
 103 #define USE_SWITCHES \
 104     X("no", 0, NOSW) \
 105     X("yes", 0, YESW) \
 106     X("list", 0, LISTDSW) \
 107
 108 #define X(sw, minchars, id) id,
 109 DEFINE_SWITCH_ENUM(USE);
 110 #undef X
 111
 112 #define X(sw, minchars, id) { sw, minchars, id },
 113 DEFINE_SWITCH_ARRAY(USE, anyl);
 114 #undef X
 115
 116 extern int debugsw;             /* from sendsbr.c */
 117 extern bool forwsw;
 118 extern int inplace;
 119 extern bool pushsw;
 120 extern int splitsw;
 121 extern bool unique;
 122 extern bool verbsw;
 123
 124 extern char *altmsg;            /*  .. */
 125 extern char *annotext;
 126 extern char *distfile;
 127
 128
 129 int
 130 main (int argc, char **argv)
 131 {
 132     int msgp = 0, vecp;
 133     int isdf = 0;
 134     int msgnum, status;
 135     char *cp, *dfolder = NULL, *maildir = NULL;
 136     char buf[BUFSIZ], **ap, **argp, **arguments, *program;
 137     char *msgs[MAXARGS], **vec;
 138     const char *user = NULL, *saslmech = NULL;
 139     struct msgs *mp;
 140     struct stat st;
 141     char *auth_svc = NULL;
 142
 143     if (nmh_init(argv[0], true, true)) { return 1; }
 144
 145     arguments = getarguments (invo_name, argc, argv, 1);
 146     argp = arguments;
 147
 148     vec = argsplit(postproc, &program, &vecp);
 149
 150     vec[vecp++] = "-library";
 151     vec[vecp++] = mh_xstrdup(m_maildir(""));
 152
 153     if ((cp = context_find ("fileproc"))) {
 154         vec[vecp++] = "-fileproc";
 155         vec[vecp++] = cp;
 156     }
 157
 158     if ((cp = context_find ("mhlproc"))) {
 159         vec[vecp++] = "-mhlproc";
 160         vec[vecp++] = cp;
 161     }
 162
 163     if ((cp = context_find ("credentials"))) {
 164         /* post doesn't read context so need to pass credentials. */
 165         vec[vecp++] = "-credentials";
 166         vec[vecp++] = cp;
 167     }
 168
 169     while ((cp = *argp++)) {
 170         if (*cp == '-') {
 171             switch (smatch (++cp, switches)) {
 172                 case AMBIGSW:
 173                     ambigsw (cp, switches);
 174                     done (1);
 175                 case UNKWNSW:
 176                     die("-%s unknown\n", cp);
 177
 178                 case HELPSW:
 179                     snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
 180                     print_help (buf, switches, 1);
 181                     done (0);
 182                 case VERSIONSW:
 183                     print_version(invo_name);
 184                     done (0);
 185
 186                 case DRAFTSW:
 187                     msgs[msgp++] = draft;
 188                     continue;
 189
 190                 case DFOLDSW:
 191                     if (dfolder)
 192                         die("only one draft folder at a time!");
 193                     if (!(cp = *argp++) || *cp == '-')
 194                         die("missing argument to %s", argp[-2]);
 195                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 196                             *cp != '@' ? TFOLDER : TSUBCWF);
 197                     continue;
 198                 case DMSGSW:
 199                     if (!(cp = *argp++) || *cp == '-')
 200                         die("missing argument to %s", argp[-2]);
 201                     msgs[msgp++] = cp;
 202                     continue;
 203                 case NDFLDSW:
 204                     dfolder = NULL;
 205                     isdf = NOTOK;
 206                     continue;
 207
 208                 case PUSHSW:
 209                     pushsw = true;
 210                     continue;
 211                 case NPUSHSW:
 212                     pushsw = false;
 213                     continue;
 214
 215                 case SPLITSW:
 216                     if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
 217                         die("missing argument to %s", argp[-2]);
 218                     continue;
 219
 220                 case UNIQSW:
 221                     unique = true;
 222                     continue;
 223                 case NUNIQSW:
 224                     unique = false;
 225                     continue;
 226
 227                 case FORWSW:
 228                     forwsw = true;
 229                     continue;
 230                 case NFORWSW:
 231                     forwsw = false;
 232                     continue;
 233
 234                 case VERBSW:
 235                     verbsw = true;
 236                     vec[vecp++] = --cp;
 237                     continue;
 238                 case NVERBSW:
 239                     verbsw = false;
 240                     vec[vecp++] = --cp;
 241                     continue;
 242
 243                 case MIMESW:
 244                     vec[vecp++] = --cp;
 245                     continue;
 246                 case NMIMESW:
 247                     vec[vecp++] = --cp;
 248                     continue;
 249
 250                 case SNOOPSW:
 251                     vec[vecp++] = --cp;
 252                     continue;
 253
 254                 case DEBUGSW:
 255                     debugsw++;
 256                     /* FALLTHRU */
 257                 case NFILTSW:
 258                 case FRMTSW:
 259                 case NFRMTSW:
 260                 case BITSTUFFSW:
 261                 case NBITSTUFFSW:
 262                 case MSGDSW:
 263                 case NMSGDSW:
 264                 case WATCSW:
 265                 case NWATCSW:
 266                 case SASLSW:
 267                 case NOSASLSW:
 268                 case TLSSW:
 269                 case INITTLSSW:
 270                 case NTLSSW:
 271                 case CERTVERSW:
 272                 case NOCERTVERSW:
 273                     vec[vecp++] = --cp;
 274                     continue;
 275
 276                 case USERSW:
 277                     vec[vecp++] = --cp;
 278                     if (!(cp = *argp++) || *cp == '-')
 279                         die("missing argument to %s", argp[-2]);
 280                     vec[vecp++] = cp;
 281                     user = cp;
 282                     continue;
 283
 284                 case AUTHSERVICESW:
 285 #ifdef OAUTH_SUPPORT
 286                     if (!(auth_svc = *argp++) || *auth_svc == '-')
 287                         die("missing argument to %s", argp[-2]);
 288 #else
 289                     die("not built with OAuth support");
 290 #endif
 291                     continue;
 292
 293                 case SASLMECHSW:
 294                     if (!(saslmech = *argp) || *saslmech == '-')
 295                         die("missing argument to %s", argp[-1]);
 296                     /* FALLTHRU */
 297
 298                 case ALIASW:
 299                 case FILTSW:
 300                 case WIDTHSW:
 301                 case CLIESW:
 302                 case SERVSW:
 303                 case PORTSW:
 304                 case MTSSM:
 305                 case MTSSW:
 306                 case MESSAGEIDSW:
 307                     vec[vecp++] = --cp;
 308                     if (!(cp = *argp++) || *cp == '-')
 309                         die("missing argument to %s", argp[-2]);
 310                     vec[vecp++] = cp;
 311                     continue;
 312             }
 313         } else {
 314             msgs[msgp++] = cp;
 315         }
 316     }
 317
 318     /*
 319      * check for "Aliasfile:" profile entry
 320      */
 321     if ((cp = context_find ("Aliasfile"))) {
 322         char *dp = NULL;
 323
 324         for (ap = brkstring(dp = mh_xstrdup(cp), " ", "\n"); ap && *ap; ap++) {
 325             vec[vecp++] = "-alias";
 326             vec[vecp++] = *ap;
 327         }
 328     }
 329
 330     if (dfolder == NULL) {
 331         if (msgp == 0) {
 332             msgs[msgp++] = mh_xstrdup(m_draft(NULL, NULL, 1, &isdf));
 333             if (stat (msgs[0], &st) == NOTOK)
 334                 adios (msgs[0], "unable to stat draft file");
 335             cp = concat ("Use \"", msgs[0], "\"? ", NULL);
 336             for (status = LISTDSW; status != YESW;) {
 337                 if (!(argp = read_switch_multiword (cp, anyl)))
 338                     done (1);
 339                 switch (status = smatch (*argp, anyl)) {
 340                     case NOSW:
 341                         done (0);
 342                     case YESW:
 343                         break;
 344                     case LISTDSW:
 345                         showfile (++argp, msgs[0]);
 346                         break;
 347                     default:
 348                         inform("say what?");
 349                         break;
 350                 }
 351             }
 352         } else {
 353             for (msgnum = 0; msgnum < msgp; msgnum++)
 354                 msgs[msgnum] = mh_xstrdup(m_maildir(msgs[msgnum]));
 355         }
 356     } else {
 357         if (!context_find ("path"))
 358             free (path ("./", TFOLDER));
 359
 360         if (!msgp)
 361             msgs[msgp++] = "cur";
 362         maildir = m_maildir (dfolder);
 363
 364         if (chdir (maildir) == NOTOK)
 365             adios (maildir, "unable to change directory to");
 366
 367         /* read folder and create message structure */
 368         if (!(mp = folder_read (dfolder, 1)))
 369             die("unable to read folder %s", dfolder);
 370
 371         /* check for empty folder */
 372         if (mp->nummsg == 0)
 373             die("no messages in %s", dfolder);
 374
 375         /* parse all the message ranges/sequences and set SELECTED */
 376         for (msgnum = 0; msgnum < msgp; msgnum++)
 377             if (!m_convert (mp, msgs[msgnum]))
 378                 done (1);
 379         seq_setprev (mp);       /* set the previous-sequence */
 380
 381         for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 382             if (is_selected (mp, msgnum)) {
 383                 msgs[msgp++] = mh_xstrdup(m_name (msgnum));
 384                 unset_exists (mp, msgnum);
 385             }
 386         }
 387
 388         mp->msgflags |= SEQMOD;
 389         seq_save (mp);
 390     }
 391
 392 #ifdef WHATNOW
 393 go_to_it:
 394 #endif /* WHATNOW */
 395
 396     if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
 397         if ((cp = context_find ("signature")) && *cp)
 398             setenv("SIGNATURE", cp, 1);
 399
 400     for (msgnum = 0; msgnum < msgp; msgnum++)
 401         if (stat (msgs[msgnum], &st) == NOTOK)
 402             adios (msgs[msgnum], "unable to stat draft file");
 403
 404     if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
 405         annotext = NULL;
 406     if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
 407         inplace = atoi (cp);
 408     if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
 409         altmsg = NULL;  /* used by dist interface - see below */
 410
 411     if ((cp = getenv ("mhdist"))
 412             && *cp
 413             && atoi(cp)
 414             && altmsg) {
 415         vec[vecp++] = "-dist";
 416         if ((cp = m_mktemp2(altmsg, invo_name, NULL, NULL)) == NULL) {
 417             die("unable to create temporary file");
 418         }
 419         distfile = mh_xstrdup(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                 die("unable to create temporary file in %s",
 432                       get_temp_dir());
 433             }
 434             distfile = mh_xstrdup(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             die("must specify -authservice with -saslmech xoauth2");
 457         }
 458     } else {
 459         if (user == NULL) {
 460             die("must specify -user with -saslmech xoauth2");
 461         }
 462     }
 463 #else
 464     NMH_UNUSED(auth_svc);
 465     NMH_UNUSED(user);
 466     NMH_UNUSED(saslmech);
 467 #endif /* OAUTH_SUPPORT */
 468
 469     if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
 470         st.st_mtime = 0;
 471         st.st_dev = 0;
 472         st.st_ino = 0;
 473     }
 474     if (pushsw)
 475         push ();
 476
 477     status = 0;
 478     closefds (3);
 479
 480     for (msgnum = 0; msgnum < msgp; msgnum++) {
 481         switch (sendsbr (vec, vecp, program, msgs[msgnum], &st, 1, auth_svc)) {
 482             case DONE:
 483                 done (++status);
 484                 /* FALLTHRU */
 485             case NOTOK:
 486                 status++;
 487                 /* FALLTHRU */
 488             case OK:
 489                 break;
 490         }
 491     }
 492
 493     context_save ();    /* save the context file */
 494     done (status);
 495     return 1;
 496 }