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/folder_read.h"
  10 #include "sbr/context_save.h"
  11 #include "sbr/context_find.h"
  12 #include "sbr/brkstring.h"
  13 #include "sbr/ambigsw.h"
  14 #include "sbr/push.h"
  15 #include "sbr/path.h"
  16 #include "sbr/print_version.h"
  17 #include "sbr/print_help.h"
  18 #include "sbr/arglist.h"
  19 #include "sbr/error.h"
  20 #include <fcntl.h>
  21 #include "h/done.h"
  22 #include "h/utils.h"
  23 #ifdef OAUTH_SUPPORT
  24 #include "h/oauth.h"
  25 #endif
  26 #include "sbr/m_maildir.h"
  27 #include "sbr/m_mktemp.h"
  28
  29 #ifndef CYRUS_SASL
  30 # define SASLminc(a) (a)
  31 #else /* CYRUS_SASL */
  32 # define SASLminc(a)  0
  33 #endif /* CYRUS_SASL */
  34
  35 #ifndef TLS_SUPPORT
  36 # define TLSminc(a)  (a)
  37 #else /* TLS_SUPPORT */
  38 # define TLSminc(a)   0
  39 #endif /* TLS_SUPPORT */
  40
  41 #define SEND_SWITCHES \
  42     X("alias aliasfile", 0, ALIASW) \
  43     X("debug", -5, DEBUGSW) \
  44     X("draft", 0, DRAFTSW) \
  45     X("draftfolder +folder", 6, DFOLDSW) \
  46     X("draftmessage msg", 6, DMSGSW) \
  47     X("nodraftfolder", 0, NDFLDSW) \
  48     X("filter filterfile", 0, FILTSW) \
  49     X("nofilter", 0, NFILTSW) \
  50     X("format", 0, FRMTSW) \
  51     X("noformat", 0, NFRMTSW) \
  52     X("forward", 0, FORWSW) \
  53     X("noforward", 0, NFORWSW) \
  54     X("mime", 0, MIMESW) \
  55     X("nomime", 0, NMIMESW) \
  56     X("msgid", 0, MSGDSW) \
  57     X("nomsgid", 0, NMSGDSW) \
  58     X("push", 0, PUSHSW) \
  59     X("nopush", 0, NPUSHSW) \
  60     X("split seconds", 0, SPLITSW) \
  61     X("unique", -6, UNIQSW) \
  62     X("nounique", -8, NUNIQSW) \
  63     X("verbose", 0, VERBSW) \
  64     X("noverbose", 0, NVERBSW) \
  65     X("watch", 0, WATCSW) \
  66     X("nowatch", 0, NWATCSW) \
  67     X("width columns", 0, WIDTHSW) \
  68     X("version", 0, VERSIONSW) \
  69     X("help", 0, HELPSW) \
  70     X("dashstuffing", -12, BITSTUFFSW) \
  71     X("nodashstuffing", -14, NBITSTUFFSW) \
  72     X("client host", -6, CLIESW) \
  73     X("server host", 6, SERVSW) \
  74     X("snoop", 5, SNOOPSW) \
  75     X("sasl", SASLminc(4), SASLSW) \
  76     X("nosasl", SASLminc(6), NOSASLSW) \
  77     X("saslmech mechanism", SASLminc(6), SASLMECHSW) \
  78     X("authservice", SASLminc(0), AUTHSERVICESW) \
  79     X("user username", SASLminc(-4), USERSW) \
  80     X("port server-port-name/number", 4, PORTSW) \
  81     X("tls", TLSminc(-3), TLSSW) \
  82     X("initialtls", TLSminc(-10), INITTLSSW) \
  83     X("notls", TLSminc(-5), NTLSSW) \
  84     X("certverify", TLSminc(-10), CERTVERSW) \
  85     X("nocertverify", TLSminc(-12), NOCERTVERSW) \
  86     X("sendmail program", 0, MTSSM) \
  87     X("mts smtp|sendmail/smtp|sendmail/pipe", 2, MTSSW) \
  88     X("messageid localname|random", 2, MESSAGEIDSW) \
  89
  90 #define X(sw, minchars, id) id,
  91 DEFINE_SWITCH_ENUM(SEND);
  92 #undef X
  93
  94 #define X(sw, minchars, id) { sw, minchars, id },
  95 DEFINE_SWITCH_ARRAY(SEND, switches);
  96 #undef X
  97
  98 #define USE_SWITCHES \
  99     X("no", 0, NOSW) \
 100     X("yes", 0, YESW) \
 101     X("list", 0, LISTDSW) \
 102
 103 #define X(sw, minchars, id) id,
 104 DEFINE_SWITCH_ENUM(USE);
 105 #undef X
 106
 107 #define X(sw, minchars, id) { sw, minchars, id },
 108 DEFINE_SWITCH_ARRAY(USE, anyl);
 109 #undef X
 110
 111 extern int debugsw;             /* from sendsbr.c */
 112 extern bool forwsw;
 113 extern int inplace;
 114 extern bool pushsw;
 115 extern int splitsw;
 116 extern bool unique;
 117 extern bool verbsw;
 118
 119 extern char *altmsg;            /*  .. */
 120 extern char *annotext;
 121 extern char *distfile;
 122
 123
 124 int
 125 main (int argc, char **argv)
 126 {
 127     int msgp = 0, vecp;
 128     int isdf = 0;
 129     int msgnum, status;
 130     char *cp, *dfolder = NULL, *maildir = NULL;
 131     char buf[BUFSIZ], **ap, **argp, **arguments, *program;
 132     char *msgs[MAXARGS], **vec;
 133     const char *user = NULL, *saslmech = NULL;
 134     struct msgs *mp;
 135     struct stat st;
 136     char *auth_svc = NULL;
 137
 138     if (nmh_init(argv[0], true, true)) { return 1; }
 139
 140     arguments = getarguments (invo_name, argc, argv, 1);
 141     argp = arguments;
 142
 143     vec = argsplit(postproc, &program, &vecp);
 144
 145     vec[vecp++] = "-library";
 146     vec[vecp++] = mh_xstrdup(m_maildir(""));
 147
 148     if ((cp = context_find ("fileproc"))) {
 149         vec[vecp++] = "-fileproc";
 150         vec[vecp++] = cp;
 151     }
 152
 153     if ((cp = context_find ("mhlproc"))) {
 154         vec[vecp++] = "-mhlproc";
 155         vec[vecp++] = cp;
 156     }
 157
 158     if ((cp = context_find ("credentials"))) {
 159         /* post doesn't read context so need to pass credentials. */
 160         vec[vecp++] = "-credentials";
 161         vec[vecp++] = cp;
 162     }
 163
 164     while ((cp = *argp++)) {
 165         if (*cp == '-') {
 166             switch (smatch (++cp, switches)) {
 167                 case AMBIGSW:
 168                     ambigsw (cp, switches);
 169                     done (1);
 170                 case UNKWNSW:
 171                     die("-%s unknown\n", cp);
 172
 173                 case HELPSW:
 174                     snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
 175                     print_help (buf, switches, 1);
 176                     done (0);
 177                 case VERSIONSW:
 178                     print_version(invo_name);
 179                     done (0);
 180
 181                 case DRAFTSW:
 182                     msgs[msgp++] = draft;
 183                     continue;
 184
 185                 case DFOLDSW:
 186                     if (dfolder)
 187                         die("only one draft folder at a time!");
 188                     if (!(cp = *argp++) || *cp == '-')
 189                         die("missing argument to %s", argp[-2]);
 190                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 191                             *cp != '@' ? TFOLDER : TSUBCWF);
 192                     continue;
 193                 case DMSGSW:
 194                     if (!(cp = *argp++) || *cp == '-')
 195                         die("missing argument to %s", argp[-2]);
 196                     msgs[msgp++] = cp;
 197                     continue;
 198                 case NDFLDSW:
 199                     dfolder = NULL;
 200                     isdf = NOTOK;
 201                     continue;
 202
 203                 case PUSHSW:
 204                     pushsw = true;
 205                     continue;
 206                 case NPUSHSW:
 207                     pushsw = false;
 208                     continue;
 209
 210                 case SPLITSW:
 211                     if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
 212                         die("missing argument to %s", argp[-2]);
 213                     continue;
 214
 215                 case UNIQSW:
 216                     unique = true;
 217                     continue;
 218                 case NUNIQSW:
 219                     unique = false;
 220                     continue;
 221
 222                 case FORWSW:
 223                     forwsw = true;
 224                     continue;
 225                 case NFORWSW:
 226                     forwsw = false;
 227                     continue;
 228
 229                 case VERBSW:
 230                     verbsw = true;
 231                     vec[vecp++] = --cp;
 232                     continue;
 233                 case NVERBSW:
 234                     verbsw = false;
 235                     vec[vecp++] = --cp;
 236                     continue;
 237
 238                 case MIMESW:
 239                     vec[vecp++] = --cp;
 240                     continue;
 241                 case NMIMESW:
 242                     vec[vecp++] = --cp;
 243                     continue;
 244
 245                 case SNOOPSW:
 246                     vec[vecp++] = --cp;
 247                     continue;
 248
 249                 case DEBUGSW:
 250                     debugsw++;
 251                     /* FALLTHRU */
 252                 case NFILTSW:
 253                 case FRMTSW:
 254                 case NFRMTSW:
 255                 case BITSTUFFSW:
 256                 case NBITSTUFFSW:
 257                 case MSGDSW:
 258                 case NMSGDSW:
 259                 case WATCSW:
 260                 case NWATCSW:
 261                 case SASLSW:
 262                 case NOSASLSW:
 263                 case TLSSW:
 264                 case INITTLSSW:
 265                 case NTLSSW:
 266                 case CERTVERSW:
 267                 case NOCERTVERSW:
 268                     vec[vecp++] = --cp;
 269                     continue;
 270
 271                 case USERSW:
 272                     vec[vecp++] = --cp;
 273                     if (!(cp = *argp++) || *cp == '-')
 274                         die("missing argument to %s", argp[-2]);
 275                     vec[vecp++] = cp;
 276                     user = cp;
 277                     continue;
 278
 279                 case AUTHSERVICESW:
 280 #ifdef OAUTH_SUPPORT
 281                     if (!(auth_svc = *argp++) || *auth_svc == '-')
 282                         die("missing argument to %s", argp[-2]);
 283 #else
 284                     die("not built with OAuth support");
 285 #endif
 286                     continue;
 287
 288                 case SASLMECHSW:
 289                     if (!(saslmech = *argp) || *saslmech == '-')
 290                         die("missing argument to %s", argp[-1]);
 291                     /* FALLTHRU */
 292
 293                 case ALIASW:
 294                 case FILTSW:
 295                 case WIDTHSW:
 296                 case CLIESW:
 297                 case SERVSW:
 298                 case PORTSW:
 299                 case MTSSM:
 300                 case MTSSW:
 301                 case MESSAGEIDSW:
 302                     vec[vecp++] = --cp;
 303                     if (!(cp = *argp++) || *cp == '-')
 304                         die("missing argument to %s", argp[-2]);
 305                     vec[vecp++] = cp;
 306                     continue;
 307             }
 308         } else {
 309             msgs[msgp++] = cp;
 310         }
 311     }
 312
 313     /*
 314      * check for "Aliasfile:" profile entry
 315      */
 316     if ((cp = context_find ("Aliasfile"))) {
 317         char *dp = NULL;
 318
 319         for (ap = brkstring(dp = mh_xstrdup(cp), " ", "\n"); ap && *ap; ap++) {
 320             vec[vecp++] = "-alias";
 321             vec[vecp++] = *ap;
 322         }
 323     }
 324
 325     if (dfolder == NULL) {
 326         if (msgp == 0) {
 327             msgs[msgp++] = mh_xstrdup(m_draft(NULL, NULL, 1, &isdf));
 328             if (stat (msgs[0], &st) == NOTOK)
 329                 adios (msgs[0], "unable to stat draft file");
 330             cp = concat ("Use \"", msgs[0], "\"? ", NULL);
 331             for (status = LISTDSW; status != YESW;) {
 332                 if (!(argp = read_switch_multiword (cp, anyl)))
 333                     done (1);
 334                 switch (status = smatch (*argp, anyl)) {
 335                     case NOSW:
 336                         done (0);
 337                     case YESW:
 338                         break;
 339                     case LISTDSW:
 340                         showfile (++argp, msgs[0]);
 341                         break;
 342                     default:
 343                         inform("say what?");
 344                         break;
 345                 }
 346             }
 347         } else {
 348             for (msgnum = 0; msgnum < msgp; msgnum++)
 349                 msgs[msgnum] = mh_xstrdup(m_maildir(msgs[msgnum]));
 350         }
 351     } else {
 352         if (!context_find ("path"))
 353             free (path ("./", TFOLDER));
 354
 355         if (!msgp)
 356             msgs[msgp++] = "cur";
 357         maildir = m_maildir (dfolder);
 358
 359         if (chdir (maildir) == NOTOK)
 360             adios (maildir, "unable to change directory to");
 361
 362         /* read folder and create message structure */
 363         if (!(mp = folder_read (dfolder, 1)))
 364             die("unable to read folder %s", dfolder);
 365
 366         /* check for empty folder */
 367         if (mp->nummsg == 0)
 368             die("no messages in %s", dfolder);
 369
 370         /* parse all the message ranges/sequences and set SELECTED */
 371         for (msgnum = 0; msgnum < msgp; msgnum++)
 372             if (!m_convert (mp, msgs[msgnum]))
 373                 done (1);
 374         seq_setprev (mp);       /* set the previous-sequence */
 375
 376         for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 377             if (is_selected (mp, msgnum)) {
 378                 msgs[msgp++] = mh_xstrdup(m_name (msgnum));
 379                 unset_exists (mp, msgnum);
 380             }
 381         }
 382
 383         mp->msgflags |= SEQMOD;
 384         seq_save (mp);
 385     }
 386
 387 #ifdef WHATNOW
 388 go_to_it:
 389 #endif /* WHATNOW */
 390
 391     if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
 392         if ((cp = context_find ("signature")) && *cp)
 393             setenv("SIGNATURE", cp, 1);
 394
 395     for (msgnum = 0; msgnum < msgp; msgnum++)
 396         if (stat (msgs[msgnum], &st) == NOTOK)
 397             adios (msgs[msgnum], "unable to stat draft file");
 398
 399     if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
 400         annotext = NULL;
 401     if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
 402         inplace = atoi (cp);
 403     if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
 404         altmsg = NULL;  /* used by dist interface - see below */
 405
 406     if ((cp = getenv ("mhdist"))
 407             && *cp
 408             && atoi(cp)
 409             && altmsg) {
 410         vec[vecp++] = "-dist";
 411         if ((cp = m_mktemp2(altmsg, invo_name, NULL, NULL)) == NULL) {
 412             die("unable to create temporary file");
 413         }
 414         distfile = mh_xstrdup(cp);
 415         (void) m_unlink(distfile);
 416         if (link (altmsg, distfile) == NOTOK) {
 417             /* Cygwin with FAT32 filesystem produces EPERM. */
 418             if (errno != EXDEV  &&  errno != EPERM
 419 #ifdef EISREMOTE
 420                     && errno != EISREMOTE
 421 #endif /* EISREMOTE */
 422                 )
 423                 adios (distfile, "unable to link %s to", altmsg);
 424             free (distfile);
 425             if ((cp = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
 426                 die("unable to create temporary file in %s",
 427                       get_temp_dir());
 428             }
 429             distfile = mh_xstrdup(cp);
 430             {
 431                 int in, out;
 432                 struct stat st;
 433
 434                 if ((in = open (altmsg, O_RDONLY)) == NOTOK)
 435                     adios (altmsg, "unable to open");
 436                 fstat(in, &st);
 437                 if ((out = creat (distfile, (int) st.st_mode & 0777)) == NOTOK)
 438                     adios (distfile, "unable to write");
 439                 cpydata (in, out, altmsg, distfile);
 440                 close (in);
 441                 close (out);
 442             }
 443         }
 444     } else {
 445         distfile = NULL;
 446     }
 447
 448 #ifdef OAUTH_SUPPORT
 449     if (auth_svc == NULL) {
 450         if (saslmech  &&  ! strcasecmp(saslmech, "xoauth2")) {
 451             die("must specify -authservice with -saslmech xoauth2");
 452         }
 453     } else {
 454         if (user == NULL) {
 455             die("must specify -user with -saslmech xoauth2");
 456         }
 457     }
 458 #else
 459     NMH_UNUSED(auth_svc);
 460     NMH_UNUSED(user);
 461     NMH_UNUSED(saslmech);
 462 #endif /* OAUTH_SUPPORT */
 463
 464     if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
 465         st.st_mtime = 0;
 466         st.st_dev = 0;
 467         st.st_ino = 0;
 468     }
 469     if (pushsw)
 470         push ();
 471
 472     status = 0;
 473     closefds (3);
 474
 475     for (msgnum = 0; msgnum < msgp; msgnum++) {
 476         switch (sendsbr (vec, vecp, program, msgs[msgnum], &st, 1, auth_svc)) {
 477             case DONE:
 478                 done (++status);
 479                 /* FALLTHRU */
 480             case NOTOK:
 481                 status++;
 482                 /* FALLTHRU */
 483             case OK:
 484                 break;
 485         }
 486     }
 487
 488     context_save ();    /* save the context file */
 489     done (status);
 490     return 1;
 491 }