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/showfile.h"
  10 #include "sbr/smatch.h"
  11 #include "sbr/closefds.h"
  12 #include "sbr/cpydata.h"
  13 #include "sbr/m_draft.h"
  14 #include "sbr/m_convert.h"
  15 #include "sbr/folder_read.h"
  16 #include "sbr/context_save.h"
  17 #include "sbr/context_find.h"
  18 #include "sbr/brkstring.h"
  19 #include "sbr/ambigsw.h"
  20 #include "sbr/push.h"
  21 #include "sbr/path.h"
  22 #include "sbr/print_version.h"
  23 #include "sbr/print_help.h"
  24 #include "sbr/arglist.h"
  25 #include "sbr/error.h"
  26 #include <fcntl.h>
  27 #include "h/done.h"
  28 #include "h/utils.h"
  29 #ifdef OAUTH_SUPPORT
  30 #include "h/oauth.h"
  31 #endif
  32 #include "sbr/m_maildir.h"
  33 #include "sbr/m_mktemp.h"
  34
  35 #ifndef CYRUS_SASL
  36 # define SASLminc(a) (a)
  37 #else /* CYRUS_SASL */
  38 # define SASLminc(a)  0
  39 #endif /* CYRUS_SASL */
  40
  41 #ifndef TLS_SUPPORT
  42 # define TLSminc(a)  (a)
  43 #else /* TLS_SUPPORT */
  44 # define TLSminc(a)   0
  45 #endif /* TLS_SUPPORT */
  46
  47 #define SEND_SWITCHES \
  48     X("alias aliasfile", 0, ALIASW) \
  49     X("debug", -5, DEBUGSW) \
  50     X("draft", 0, DRAFTSW) \
  51     X("draftfolder +folder", 6, DFOLDSW) \
  52     X("draftmessage msg", 6, DMSGSW) \
  53     X("nodraftfolder", 0, NDFLDSW) \
  54     X("filter filterfile", 0, FILTSW) \
  55     X("nofilter", 0, NFILTSW) \
  56     X("format", 0, FRMTSW) \
  57     X("noformat", 0, NFRMTSW) \
  58     X("forward", 0, FORWSW) \
  59     X("noforward", 0, NFORWSW) \
  60     X("mime", 0, MIMESW) \
  61     X("nomime", 0, NMIMESW) \
  62     X("msgid", 0, MSGDSW) \
  63     X("nomsgid", 0, NMSGDSW) \
  64     X("push", 0, PUSHSW) \
  65     X("nopush", 0, NPUSHSW) \
  66     X("split seconds", 0, SPLITSW) \
  67     X("unique", -6, UNIQSW) \
  68     X("nounique", -8, NUNIQSW) \
  69     X("verbose", 0, VERBSW) \
  70     X("noverbose", 0, NVERBSW) \
  71     X("watch", 0, WATCSW) \
  72     X("nowatch", 0, NWATCSW) \
  73     X("width columns", 0, WIDTHSW) \
  74     X("version", 0, VERSIONSW) \
  75     X("help", 0, HELPSW) \
  76     X("dashstuffing", -12, BITSTUFFSW) \
  77     X("nodashstuffing", -14, NBITSTUFFSW) \
  78     X("client host", -6, CLIESW) \
  79     X("server host", 6, SERVSW) \
  80     X("snoop", 5, SNOOPSW) \
  81     X("sasl", SASLminc(4), SASLSW) \
  82     X("nosasl", SASLminc(6), NOSASLSW) \
  83     X("saslmech mechanism", SASLminc(6), SASLMECHSW) \
  84     X("authservice", SASLminc(0), AUTHSERVICESW) \
  85     X("user username", SASLminc(-4), USERSW) \
  86     X("port server-port-name/number", 4, PORTSW) \
  87     X("tls", TLSminc(-3), TLSSW) \
  88     X("initialtls", TLSminc(-10), INITTLSSW) \
  89     X("notls", TLSminc(-5), NTLSSW) \
  90     X("certverify", TLSminc(-10), CERTVERSW) \
  91     X("nocertverify", TLSminc(-12), NOCERTVERSW) \
  92     X("sendmail program", 0, MTSSM) \
  93     X("mts smtp|sendmail/smtp|sendmail/pipe", 2, MTSSW) \
  94     X("messageid localname|random", 2, MESSAGEIDSW) \
  95
  96 #define X(sw, minchars, id) id,
  97 DEFINE_SWITCH_ENUM(SEND);
  98 #undef X
  99
 100 #define X(sw, minchars, id) { sw, minchars, id },
 101 DEFINE_SWITCH_ARRAY(SEND, switches);
 102 #undef X
 103
 104 #define USE_SWITCHES \
 105     X("no", 0, NOSW) \
 106     X("yes", 0, YESW) \
 107     X("list", 0, LISTDSW) \
 108
 109 #define X(sw, minchars, id) id,
 110 DEFINE_SWITCH_ENUM(USE);
 111 #undef X
 112
 113 #define X(sw, minchars, id) { sw, minchars, id },
 114 DEFINE_SWITCH_ARRAY(USE, anyl);
 115 #undef X
 116
 117 extern int debugsw;             /* from sendsbr.c */
 118 extern bool forwsw;
 119 extern int inplace;
 120 extern bool pushsw;
 121 extern int splitsw;
 122 extern bool unique;
 123 extern bool verbsw;
 124
 125 extern char *altmsg;            /*  .. */
 126 extern char *annotext;
 127 extern char *distfile;
 128
 129
 130 int
 131 main (int argc, char **argv)
 132 {
 133     int msgp = 0, vecp;
 134     int isdf = 0;
 135     int msgnum, status;
 136     char *cp, *dfolder = NULL, *maildir = NULL;
 137     char buf[BUFSIZ], **ap, **argp, **arguments, *program;
 138     char *msgs[MAXARGS], **vec;
 139     const char *user = NULL, *saslmech = NULL;
 140     struct msgs *mp;
 141     struct stat st;
 142     char *auth_svc = NULL;
 143
 144     if (nmh_init(argv[0], true, true)) { return 1; }
 145
 146     arguments = getarguments (invo_name, argc, argv, 1);
 147     argp = arguments;
 148
 149     vec = argsplit(postproc, &program, &vecp);
 150
 151     vec[vecp++] = "-library";
 152     vec[vecp++] = mh_xstrdup(m_maildir(""));
 153
 154     if ((cp = context_find ("fileproc"))) {
 155         vec[vecp++] = "-fileproc";
 156         vec[vecp++] = cp;
 157     }
 158
 159     if ((cp = context_find ("mhlproc"))) {
 160         vec[vecp++] = "-mhlproc";
 161         vec[vecp++] = cp;
 162     }
 163
 164     if ((cp = context_find ("credentials"))) {
 165         /* post doesn't read context so need to pass credentials. */
 166         vec[vecp++] = "-credentials";
 167         vec[vecp++] = cp;
 168     }
 169
 170     while ((cp = *argp++)) {
 171         if (*cp == '-') {
 172             switch (smatch (++cp, switches)) {
 173                 case AMBIGSW:
 174                     ambigsw (cp, switches);
 175                     done (1);
 176                 case UNKWNSW:
 177                     die("-%s unknown\n", cp);
 178
 179                 case HELPSW:
 180                     snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
 181                     print_help (buf, switches, 1);
 182                     done (0);
 183                 case VERSIONSW:
 184                     print_version(invo_name);
 185                     done (0);
 186
 187                 case DRAFTSW:
 188                     msgs[msgp++] = draft;
 189                     continue;
 190
 191                 case DFOLDSW:
 192                     if (dfolder)
 193                         die("only one draft folder at a time!");
 194                     if (!(cp = *argp++) || *cp == '-')
 195                         die("missing argument to %s", argp[-2]);
 196                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 197                             *cp != '@' ? TFOLDER : TSUBCWF);
 198                     continue;
 199                 case DMSGSW:
 200                     if (!(cp = *argp++) || *cp == '-')
 201                         die("missing argument to %s", argp[-2]);
 202                     msgs[msgp++] = cp;
 203                     continue;
 204                 case NDFLDSW:
 205                     dfolder = NULL;
 206                     isdf = NOTOK;
 207                     continue;
 208
 209                 case PUSHSW:
 210                     pushsw = true;
 211                     continue;
 212                 case NPUSHSW:
 213                     pushsw = false;
 214                     continue;
 215
 216                 case SPLITSW:
 217                     if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
 218                         die("missing argument to %s", argp[-2]);
 219                     continue;
 220
 221                 case UNIQSW:
 222                     unique = true;
 223                     continue;
 224                 case NUNIQSW:
 225                     unique = false;
 226                     continue;
 227
 228                 case FORWSW:
 229                     forwsw = true;
 230                     continue;
 231                 case NFORWSW:
 232                     forwsw = false;
 233                     continue;
 234
 235                 case VERBSW:
 236                     verbsw = true;
 237                     vec[vecp++] = --cp;
 238                     continue;
 239                 case NVERBSW:
 240                     verbsw = false;
 241                     vec[vecp++] = --cp;
 242                     continue;
 243
 244                 case MIMESW:
 245                     vec[vecp++] = --cp;
 246                     continue;
 247                 case NMIMESW:
 248                     vec[vecp++] = --cp;
 249                     continue;
 250
 251                 case SNOOPSW:
 252                     vec[vecp++] = --cp;
 253                     continue;
 254
 255                 case DEBUGSW:
 256                     debugsw++;
 257                     /* FALLTHRU */
 258                 case NFILTSW:
 259                 case FRMTSW:
 260                 case NFRMTSW:
 261                 case BITSTUFFSW:
 262                 case NBITSTUFFSW:
 263                 case MSGDSW:
 264                 case NMSGDSW:
 265                 case WATCSW:
 266                 case NWATCSW:
 267                 case SASLSW:
 268                 case NOSASLSW:
 269                 case TLSSW:
 270                 case INITTLSSW:
 271                 case NTLSSW:
 272                 case CERTVERSW:
 273                 case NOCERTVERSW:
 274                     vec[vecp++] = --cp;
 275                     continue;
 276
 277                 case USERSW:
 278                     vec[vecp++] = --cp;
 279                     if (!(cp = *argp++) || *cp == '-')
 280                         die("missing argument to %s", argp[-2]);
 281                     vec[vecp++] = cp;
 282                     user = cp;
 283                     continue;
 284
 285                 case AUTHSERVICESW:
 286 #ifdef OAUTH_SUPPORT
 287                     if (!(auth_svc = *argp++) || *auth_svc == '-')
 288                         die("missing argument to %s", argp[-2]);
 289 #else
 290                     die("not built with OAuth support");
 291 #endif
 292                     continue;
 293
 294                 case SASLMECHSW:
 295                     if (!(saslmech = *argp) || *saslmech == '-')
 296                         die("missing argument to %s", argp[-1]);
 297                     /* FALLTHRU */
 298
 299                 case ALIASW:
 300                 case FILTSW:
 301                 case WIDTHSW:
 302                 case CLIESW:
 303                 case SERVSW:
 304                 case PORTSW:
 305                 case MTSSM:
 306                 case MTSSW:
 307                 case MESSAGEIDSW:
 308                     vec[vecp++] = --cp;
 309                     if (!(cp = *argp++) || *cp == '-')
 310                         die("missing argument to %s", argp[-2]);
 311                     vec[vecp++] = cp;
 312                     continue;
 313             }
 314         } else {
 315             msgs[msgp++] = cp;
 316         }
 317     }
 318
 319     /*
 320      * check for "Aliasfile:" profile entry
 321      */
 322     if ((cp = context_find ("Aliasfile"))) {
 323         char *dp = NULL;
 324
 325         for (ap = brkstring(dp = mh_xstrdup(cp), " ", "\n"); ap && *ap; ap++) {
 326             vec[vecp++] = "-alias";
 327             vec[vecp++] = *ap;
 328         }
 329     }
 330
 331     if (dfolder == NULL) {
 332         if (msgp == 0) {
 333             msgs[msgp++] = mh_xstrdup(m_draft(NULL, NULL, 1, &isdf));
 334             if (stat (msgs[0], &st) == NOTOK)
 335                 adios (msgs[0], "unable to stat draft file");
 336             cp = concat ("Use \"", msgs[0], "\"? ", NULL);
 337             for (status = LISTDSW; status != YESW;) {
 338                 if (!(argp = read_switch_multiword (cp, anyl)))
 339                     done (1);
 340                 switch (status = smatch (*argp, anyl)) {
 341                     case NOSW:
 342                         done (0);
 343                     case YESW:
 344                         break;
 345                     case LISTDSW:
 346                         showfile (++argp, msgs[0]);
 347                         break;
 348                     default:
 349                         inform("say what?");
 350                         break;
 351                 }
 352             }
 353         } else {
 354             for (msgnum = 0; msgnum < msgp; msgnum++)
 355                 msgs[msgnum] = mh_xstrdup(m_maildir(msgs[msgnum]));
 356         }
 357     } else {
 358         if (!context_find ("path"))
 359             free (path ("./", TFOLDER));
 360
 361         if (!msgp)
 362             msgs[msgp++] = "cur";
 363         maildir = m_maildir (dfolder);
 364
 365         if (chdir (maildir) == NOTOK)
 366             adios (maildir, "unable to change directory to");
 367
 368         /* read folder and create message structure */
 369         if (!(mp = folder_read (dfolder, 1)))
 370             die("unable to read folder %s", dfolder);
 371
 372         /* check for empty folder */
 373         if (mp->nummsg == 0)
 374             die("no messages in %s", dfolder);
 375
 376         /* parse all the message ranges/sequences and set SELECTED */
 377         for (msgnum = 0; msgnum < msgp; msgnum++)
 378             if (!m_convert (mp, msgs[msgnum]))
 379                 done (1);
 380         seq_setprev (mp);       /* set the previous-sequence */
 381
 382         for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 383             if (is_selected (mp, msgnum)) {
 384                 msgs[msgp++] = mh_xstrdup(m_name (msgnum));
 385                 unset_exists (mp, msgnum);
 386             }
 387         }
 388
 389         mp->msgflags |= SEQMOD;
 390         seq_save (mp);
 391     }
 392
 393 #ifdef WHATNOW
 394 go_to_it:
 395 #endif /* WHATNOW */
 396
 397     if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
 398         if ((cp = context_find ("signature")) && *cp)
 399             setenv("SIGNATURE", cp, 1);
 400
 401     for (msgnum = 0; msgnum < msgp; msgnum++)
 402         if (stat (msgs[msgnum], &st) == NOTOK)
 403             adios (msgs[msgnum], "unable to stat draft file");
 404
 405     if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
 406         annotext = NULL;
 407     if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
 408         inplace = atoi (cp);
 409     if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
 410         altmsg = NULL;  /* used by dist interface - see below */
 411
 412     if ((cp = getenv ("mhdist"))
 413             && *cp
 414             && atoi(cp)
 415             && altmsg) {
 416         vec[vecp++] = "-dist";
 417         if ((cp = m_mktemp2(altmsg, invo_name, NULL, NULL)) == NULL) {
 418             die("unable to create temporary file");
 419         }
 420         distfile = mh_xstrdup(cp);
 421         (void) m_unlink(distfile);
 422         if (link (altmsg, distfile) == NOTOK) {
 423             /* Cygwin with FAT32 filesystem produces EPERM. */
 424             if (errno != EXDEV  &&  errno != EPERM
 425 #ifdef EISREMOTE
 426                     && errno != EISREMOTE
 427 #endif /* EISREMOTE */
 428                 )
 429                 adios (distfile, "unable to link %s to", altmsg);
 430             free (distfile);
 431             if ((cp = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
 432                 die("unable to create temporary file in %s",
 433                       get_temp_dir());
 434             }
 435             distfile = mh_xstrdup(cp);
 436             {
 437                 int in, out;
 438                 struct stat st;
 439
 440                 if ((in = open (altmsg, O_RDONLY)) == NOTOK)
 441                     adios (altmsg, "unable to open");
 442                 fstat(in, &st);
 443                 if ((out = creat (distfile, (int) st.st_mode & 0777)) == NOTOK)
 444                     adios (distfile, "unable to write");
 445                 cpydata (in, out, altmsg, distfile);
 446                 close (in);
 447                 close (out);
 448             }
 449         }
 450     } else {
 451         distfile = NULL;
 452     }
 453
 454 #ifdef OAUTH_SUPPORT
 455     if (auth_svc == NULL) {
 456         if (saslmech  &&  ! strcasecmp(saslmech, "xoauth2")) {
 457             die("must specify -authservice with -saslmech xoauth2");
 458         }
 459     } else {
 460         if (user == NULL) {
 461             die("must specify -user with -saslmech xoauth2");
 462         }
 463     }
 464 #else
 465     NMH_UNUSED(auth_svc);
 466     NMH_UNUSED(user);
 467     NMH_UNUSED(saslmech);
 468 #endif /* OAUTH_SUPPORT */
 469
 470     if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
 471         st.st_mtime = 0;
 472         st.st_dev = 0;
 473         st.st_ino = 0;
 474     }
 475     if (pushsw)
 476         push ();
 477
 478     status = 0;
 479     closefds (3);
 480
 481     for (msgnum = 0; msgnum < msgp; msgnum++) {
 482         switch (sendsbr (vec, vecp, program, msgs[msgnum], &st, 1, auth_svc)) {
 483             case DONE:
 484                 done (++status);
 485                 /* FALLTHRU */
 486             case NOTOK:
 487                 status++;
 488                 /* FALLTHRU */
 489             case OK:
 490                 break;
 491         }
 492     }
 493
 494     context_save ();    /* save the context file */
 495     done (status);
 496     return 1;
 497 }