contrib/sendmail/src/envelope.c

   1 /*
   2  * Copyright (c) 1998-2003, 2006 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
   5  * Copyright (c) 1988, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * By using this file, you agree to the terms and conditions set
   9  * forth in the LICENSE file which can be found at the top level of
  10  * the sendmail distribution.
  11  *
  12  */
  13
  14 #include <sendmail.h>
  15
  16 SM_RCSID("@(#)$Id: envelope.c,v 8.305 2008/03/31 16:32:13 ca Exp $")
  17
  18 /*
  19 **  CLRSESSENVELOPE -- clear session oriented data in an envelope
  20 **
  21 **      Parameters:
  22 **              e -- the envelope to clear.
  23 **
  24 **      Returns:
  25 **              none.
  26 */
  27
  28 void
  29 clrsessenvelope(e)
  30         ENVELOPE *e;
  31 {
  32 #if SASL
  33         macdefine(&e->e_macro, A_PERM, macid("{auth_type}"), "");
  34         macdefine(&e->e_macro, A_PERM, macid("{auth_authen}"), "");
  35         macdefine(&e->e_macro, A_PERM, macid("{auth_author}"), "");
  36         macdefine(&e->e_macro, A_PERM, macid("{auth_ssf}"), "");
  37 #endif /* SASL */
  38 #if STARTTLS
  39         macdefine(&e->e_macro, A_PERM, macid("{cert_issuer}"), "");
  40         macdefine(&e->e_macro, A_PERM, macid("{cert_subject}"), "");
  41         macdefine(&e->e_macro, A_PERM, macid("{cipher_bits}"), "");
  42         macdefine(&e->e_macro, A_PERM, macid("{cipher}"), "");
  43         macdefine(&e->e_macro, A_PERM, macid("{tls_version}"), "");
  44         macdefine(&e->e_macro, A_PERM, macid("{verify}"), "");
  45 # if _FFR_TLS_1
  46         macdefine(&e->e_macro, A_PERM, macid("{alg_bits}"), "");
  47         macdefine(&e->e_macro, A_PERM, macid("{cn_issuer}"), "");
  48         macdefine(&e->e_macro, A_PERM, macid("{cn_subject}"), "");
  49 # endif /* _FFR_TLS_1 */
  50 #endif /* STARTTLS */
  51 }
  52
  53 /*
  54 **  NEWENVELOPE -- fill in a new envelope
  55 **
  56 **      Supports inheritance.
  57 **
  58 **      Parameters:
  59 **              e -- the new envelope to fill in.
  60 **              parent -- the envelope to be the parent of e.
  61 **              rpool -- either NULL, or a pointer to a resource pool
  62 **                      from which envelope memory is allocated, and
  63 **                      to which envelope resources are attached.
  64 **
  65 **      Returns:
  66 **              e.
  67 **
  68 **      Side Effects:
  69 **              none.
  70 */
  71
  72 ENVELOPE *
  73 newenvelope(e, parent, rpool)
  74         register ENVELOPE *e;
  75         register ENVELOPE *parent;
  76         SM_RPOOL_T *rpool;
  77 {
  78         int sendmode;
  79
  80         /*
  81         **  This code used to read:
  82         **      if (e == parent && e->e_parent != NULL)
  83         **              parent = e->e_parent;
  84         **  So if e == parent && e->e_parent == NULL then we would
  85         **  set e->e_parent = e, which creates a loop in the e_parent chain.
  86         **  This meant macvalue() could go into an infinite loop.
  87         */
  88
  89         if (parent != NULL)
  90                 sendmode = parent->e_sendmode;
  91         else
  92                 sendmode = DM_NOTSET;
  93
  94         if (e == parent)
  95                 parent = e->e_parent;
  96         clearenvelope(e, true, rpool);
  97         if (e == CurEnv)
  98                 memmove((char *) &e->e_from,
  99                         (char *) &NullAddress,
 100                         sizeof(e->e_from));
 101         else
 102                 memmove((char *) &e->e_from,
 103                         (char *) &CurEnv->e_from,
 104                         sizeof(e->e_from));
 105         e->e_parent = parent;
 106         assign_queueid(e);
 107         e->e_ctime = curtime();
 108 #if _FFR_SESSID
 109         e->e_sessid = e->e_id;
 110 #endif /* _FFR_SESSID */
 111         if (parent != NULL)
 112         {
 113                 e->e_msgpriority = parent->e_msgsize;
 114 #if _FFR_SESSID
 115                 if (parent->e_sessid != NULL)
 116                         e->e_sessid = sm_rpool_strdup_x(rpool,
 117                                                         parent->e_sessid);
 118 #endif /* _FFR_SESSID */
 119
 120                 if (parent->e_quarmsg == NULL)
 121                 {
 122                         e->e_quarmsg = NULL;
 123                         macdefine(&e->e_macro, A_PERM,
 124                                   macid("{quarantine}"), "");
 125                 }
 126                 else
 127                 {
 128                         e->e_quarmsg = sm_rpool_strdup_x(rpool,
 129                                                          parent->e_quarmsg);
 130                         macdefine(&e->e_macro, A_PERM,
 131                                   macid("{quarantine}"), e->e_quarmsg);
 132                 }
 133         }
 134         e->e_puthdr = putheader;
 135         e->e_putbody = putbody;
 136         if (CurEnv->e_xfp != NULL)
 137                 (void) sm_io_flush(CurEnv->e_xfp, SM_TIME_DEFAULT);
 138         if (sendmode != DM_NOTSET)
 139                 set_delivery_mode(sendmode, e);
 140
 141         return e;
 142 }
 143
 144 /* values for msg_timeout, see also IS_* below for usage (bit layout) */
 145 #define MSG_T_O         0x01    /* normal timeout */
 146 #define MSG_T_O_NOW     0x02    /* NOW timeout */
 147 #define MSG_NOT_BY      0x04    /* Deliver-By time exceeded, mode R */
 148 #define MSG_WARN        0x10    /* normal queue warning */
 149 #define MSG_WARN_BY     0x20    /* Deliver-By time exceeded, mode N */
 150
 151 #define IS_MSG_ERR(x)   (((x) & 0x0f) != 0)     /* return an error */
 152
 153 /* immediate return */
 154 #define IS_IMM_RET(x)   (((x) & (MSG_T_O_NOW|MSG_NOT_BY)) != 0)
 155 #define IS_MSG_WARN(x)  (((x) & 0xf0) != 0)     /* return a warning */
 156
 157 /*
 158 **  DROPENVELOPE -- deallocate an envelope.
 159 **
 160 **      Parameters:
 161 **              e -- the envelope to deallocate.
 162 **              fulldrop -- if set, do return receipts.
 163 **              split -- if true, split by recipient if message is queued up
 164 **
 165 **      Returns:
 166 **              none.
 167 **
 168 **      Side Effects:
 169 **              housekeeping necessary to dispose of an envelope.
 170 **              Unlocks this queue file.
 171 */
 172
 173 void
 174 dropenvelope(e, fulldrop, split)
 175         register ENVELOPE *e;
 176         bool fulldrop;
 177         bool split;
 178 {
 179         bool panic = false;
 180         bool queueit = false;
 181         int msg_timeout = 0;
 182         bool failure_return = false;
 183         bool delay_return = false;
 184         bool success_return = false;
 185         bool pmnotify = bitset(EF_PM_NOTIFY, e->e_flags);
 186         bool done = false;
 187         register ADDRESS *q;
 188         char *id = e->e_id;
 189         time_t now;
 190         char buf[MAXLINE];
 191
 192         if (tTd(50, 1))
 193         {
 194                 sm_dprintf("dropenvelope %p: id=", e);
 195                 xputs(sm_debug_file(), e->e_id);
 196                 sm_dprintf(", flags=");
 197                 printenvflags(e);
 198                 if (tTd(50, 10))
 199                 {
 200                         sm_dprintf("sendq=");
 201                         printaddr(sm_debug_file(), e->e_sendqueue, true);
 202                 }
 203         }
 204
 205         if (LogLevel > 84)
 206                 sm_syslog(LOG_DEBUG, id,
 207                           "dropenvelope, e_flags=0x%lx, OpMode=%c, pid=%d",
 208                           e->e_flags, OpMode, (int) CurrentPid);
 209
 210         /* we must have an id to remove disk files */
 211         if (id == NULL)
 212                 return;
 213
 214         /* if verify-only mode, we can skip most of this */
 215         if (OpMode == MD_VERIFY)
 216                 goto simpledrop;
 217
 218         if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags))
 219                 logsender(e, NULL);
 220         e->e_flags &= ~EF_LOGSENDER;
 221
 222         /* post statistics */
 223         poststats(StatFile);
 224
 225         /*
 226         **  Extract state information from dregs of send list.
 227         */
 228
 229         now = curtime();
 230         if (now >= e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass])
 231                 msg_timeout = MSG_T_O;
 232         if (IS_DLVR_RETURN(e) && e->e_deliver_by > 0 &&
 233             now >= e->e_ctime + e->e_deliver_by &&
 234             !bitset(EF_RESPONSE, e->e_flags))
 235         {
 236                 msg_timeout = MSG_NOT_BY;
 237                 e->e_flags |= EF_FATALERRS|EF_CLRQUEUE;
 238         }
 239         else if (TimeOuts.to_q_return[e->e_timeoutclass] == NOW &&
 240                  !bitset(EF_RESPONSE, e->e_flags))
 241         {
 242                 msg_timeout = MSG_T_O_NOW;
 243                 e->e_flags |= EF_FATALERRS|EF_CLRQUEUE;
 244         }
 245
 246         e->e_flags &= ~EF_QUEUERUN;
 247         for (q = e->e_sendqueue; q != NULL; q = q->q_next)
 248         {
 249                 if (QS_IS_UNDELIVERED(q->q_state))
 250                         queueit = true;
 251
 252                 /* see if a notification is needed */
 253                 if (bitset(QPINGONFAILURE, q->q_flags) &&
 254                     ((IS_MSG_ERR(msg_timeout) &&
 255                       QS_IS_UNDELIVERED(q->q_state)) ||
 256                      QS_IS_BADADDR(q->q_state) ||
 257                      IS_IMM_RET(msg_timeout)))
 258                 {
 259                         failure_return = true;
 260                         if (!done && q->q_owner == NULL &&
 261                             !emptyaddr(&e->e_from))
 262                         {
 263                                 (void) sendtolist(e->e_from.q_paddr, NULLADDR,
 264                                                   &e->e_errorqueue, 0, e);
 265                                 done = true;
 266                         }
 267                 }
 268                 else if ((bitset(QPINGONSUCCESS, q->q_flags) &&
 269                           ((QS_IS_SENT(q->q_state) &&
 270                             bitnset(M_LOCALMAILER, q->q_mailer->m_flags)) ||
 271                            bitset(QRELAYED|QEXPANDED|QDELIVERED, q->q_flags))) ||
 272                           bitset(QBYTRACE, q->q_flags) ||
 273                           bitset(QBYNRELAY, q->q_flags))
 274                 {
 275                         success_return = true;
 276                 }
 277         }
 278
 279         if (e->e_class < 0)
 280                 e->e_flags |= EF_NO_BODY_RETN;
 281
 282         /*
 283         **  See if the message timed out.
 284         */
 285
 286         if (!queueit)
 287                 /* EMPTY */
 288                 /* nothing to do */ ;
 289         else if (IS_MSG_ERR(msg_timeout))
 290         {
 291                 if (failure_return)
 292                 {
 293                         if (msg_timeout == MSG_NOT_BY)
 294                         {
 295                                 (void) sm_snprintf(buf, sizeof(buf),
 296                                         "delivery time expired %lds",
 297                                         e->e_deliver_by);
 298                         }
 299                         else
 300                         {
 301                                 (void) sm_snprintf(buf, sizeof(buf),
 302                                         "Cannot send message for %s",
 303                                         pintvl(TimeOuts.to_q_return[e->e_timeoutclass],
 304                                                 false));
 305                         }
 306
 307                         /* don't free, allocated from e_rpool */
 308                         e->e_message = sm_rpool_strdup_x(e->e_rpool, buf);
 309                         message(buf);
 310                         e->e_flags |= EF_CLRQUEUE;
 311                 }
 312                 if (msg_timeout == MSG_NOT_BY)
 313                 {
 314                         (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
 315                                 "Delivery time (%lds) expired\n",
 316                                 e->e_deliver_by);
 317                 }
 318                 else
 319                         (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
 320                                 "Message could not be delivered for %s\n",
 321                                 pintvl(TimeOuts.to_q_return[e->e_timeoutclass],
 322                                         false));
 323                 (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
 324                         "Message will be deleted from queue\n");
 325                 for (q = e->e_sendqueue; q != NULL; q = q->q_next)
 326                 {
 327                         if (QS_IS_UNDELIVERED(q->q_state))
 328                         {
 329                                 q->q_state = QS_BADADDR;
 330                                 if (msg_timeout == MSG_NOT_BY)
 331                                         q->q_status = "5.4.7";
 332                                 else
 333                                         q->q_status = "4.4.7";
 334                         }
 335                 }
 336         }
 337         else
 338         {
 339                 if (TimeOuts.to_q_warning[e->e_timeoutclass] > 0 &&
 340                     now >= e->e_ctime +
 341                                 TimeOuts.to_q_warning[e->e_timeoutclass])
 342                         msg_timeout = MSG_WARN;
 343                 else if (IS_DLVR_NOTIFY(e) &&
 344                          e->e_deliver_by > 0 &&
 345                          now >= e->e_ctime + e->e_deliver_by)
 346                         msg_timeout = MSG_WARN_BY;
 347
 348                 if (IS_MSG_WARN(msg_timeout))
 349                 {
 350                         if (!bitset(EF_WARNING|EF_RESPONSE, e->e_flags) &&
 351                             e->e_class >= 0 &&
 352                             e->e_from.q_paddr != NULL &&
 353                             strcmp(e->e_from.q_paddr, "<>") != 0 &&
 354                             sm_strncasecmp(e->e_from.q_paddr, "owner-", 6) != 0 &&
 355                             (strlen(e->e_from.q_paddr) <= 8 ||
 356                              sm_strcasecmp(&e->e_from.q_paddr[strlen(e->e_from.q_paddr) - 8],
 357                                            "-request") != 0))
 358                         {
 359                                 for (q = e->e_sendqueue; q != NULL;
 360                                      q = q->q_next)
 361                                 {
 362                                         if (QS_IS_UNDELIVERED(q->q_state)
 363 #if _FFR_NODELAYDSN_ON_HOLD
 364                                             && !bitnset(M_HOLD,
 365                                                         q->q_mailer->m_flags)
 366 #endif /* _FFR_NODELAYDSN_ON_HOLD */
 367                                            )
 368                                         {
 369                                                 if (msg_timeout ==
 370                                                     MSG_WARN_BY &&
 371                                                     (bitset(QPINGONDELAY,
 372                                                             q->q_flags) ||
 373                                                     !bitset(QHASNOTIFY,
 374                                                             q->q_flags))
 375                                                    )
 376                                                 {
 377                                                         q->q_flags |= QBYNDELAY;
 378                                                         delay_return = true;
 379                                                 }
 380                                                 if (bitset(QPINGONDELAY,
 381                                                            q->q_flags))
 382                                                 {
 383                                                         q->q_flags |= QDELAYED;
 384                                                         delay_return = true;
 385                                                 }
 386                                         }
 387                                 }
 388                         }
 389                         if (delay_return)
 390                         {
 391                                 if (msg_timeout == MSG_WARN_BY)
 392                                 {
 393                                         (void) sm_snprintf(buf, sizeof(buf),
 394                                                 "Warning: Delivery time (%lds) exceeded",
 395                                                 e->e_deliver_by);
 396                                 }
 397                                 else
 398                                         (void) sm_snprintf(buf, sizeof(buf),
 399                                                 "Warning: could not send message for past %s",
 400                                                 pintvl(TimeOuts.to_q_warning[e->e_timeoutclass],
 401                                                         false));
 402
 403                                 /* don't free, allocated from e_rpool */
 404                                 e->e_message = sm_rpool_strdup_x(e->e_rpool,
 405                                                                  buf);
 406                                 message(buf);
 407                                 e->e_flags |= EF_WARNING;
 408                         }
 409                         if (msg_timeout == MSG_WARN_BY)
 410                         {
 411                                 (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
 412                                         "Warning: Delivery time (%lds) exceeded\n",
 413                                         e->e_deliver_by);
 414                         }
 415                         else
 416                                 (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
 417                                         "Warning: message still undelivered after %s\n",
 418                                         pintvl(TimeOuts.to_q_warning[e->e_timeoutclass],
 419                                              false));
 420                         (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
 421                                       "Will keep trying until message is %s old\n",
 422                                       pintvl(TimeOuts.to_q_return[e->e_timeoutclass],
 423                                              false));
 424                 }
 425         }
 426
 427         if (tTd(50, 2))
 428                 sm_dprintf("failure_return=%d delay_return=%d success_return=%d queueit=%d\n",
 429                         failure_return, delay_return, success_return, queueit);
 430
 431         /*
 432         **  If we had some fatal error, but no addresses are marked as
 433         **  bad, mark them _all_ as bad.
 434         */
 435
 436         if (bitset(EF_FATALERRS, e->e_flags) && !failure_return)
 437         {
 438                 for (q = e->e_sendqueue; q != NULL; q = q->q_next)
 439                 {
 440                         if ((QS_IS_OK(q->q_state) ||
 441                              QS_IS_VERIFIED(q->q_state)) &&
 442                             bitset(QPINGONFAILURE, q->q_flags))
 443                         {
 444                                 failure_return = true;
 445                                 q->q_state = QS_BADADDR;
 446                         }
 447                 }
 448         }
 449
 450         /*
 451         **  Send back return receipts as requested.
 452         */
 453
 454         if (success_return && !failure_return && !delay_return && fulldrop &&
 455             !bitset(PRIV_NORECEIPTS, PrivacyFlags) &&
 456             strcmp(e->e_from.q_paddr, "<>") != 0)
 457         {
 458                 auto ADDRESS *rlist = NULL;
 459
 460                 if (tTd(50, 8))
 461                         sm_dprintf("dropenvelope(%s): sending return receipt\n",
 462                                 id);
 463                 e->e_flags |= EF_SENDRECEIPT;
 464                 (void) sendtolist(e->e_from.q_paddr, NULLADDR, &rlist, 0, e);
 465                 (void) returntosender("Return receipt", rlist, RTSF_NO_BODY, e);
 466         }
 467         e->e_flags &= ~EF_SENDRECEIPT;
 468
 469         /*
 470         **  Arrange to send error messages if there are fatal errors.
 471         */
 472
 473         if ((failure_return || delay_return) && e->e_errormode != EM_QUIET)
 474         {
 475                 if (tTd(50, 8))
 476                         sm_dprintf("dropenvelope(%s): saving mail\n", id);
 477                 panic = savemail(e, !bitset(EF_NO_BODY_RETN, e->e_flags));
 478         }
 479
 480         /*
 481         **  Arrange to send warning messages to postmaster as requested.
 482         */
 483
 484         if ((failure_return || pmnotify) &&
 485             PostMasterCopy != NULL &&
 486             !bitset(EF_RESPONSE, e->e_flags) &&
 487             e->e_class >= 0)
 488         {
 489                 auto ADDRESS *rlist = NULL;
 490                 char pcopy[MAXNAME];
 491
 492                 if (failure_return)
 493                 {
 494                         expand(PostMasterCopy, pcopy, sizeof(pcopy), e);
 495
 496                         if (tTd(50, 8))
 497                                 sm_dprintf("dropenvelope(%s): sending postmaster copy to %s\n",
 498                                         id, pcopy);
 499                         (void) sendtolist(pcopy, NULLADDR, &rlist, 0, e);
 500                 }
 501                 if (pmnotify)
 502                         (void) sendtolist("postmaster", NULLADDR,
 503                                           &rlist, 0, e);
 504                 (void) returntosender(e->e_message, rlist,
 505                                       RTSF_PM_BOUNCE|RTSF_NO_BODY, e);
 506         }
 507
 508         /*
 509         **  Instantiate or deinstantiate the queue.
 510         */
 511
 512 simpledrop:
 513         if (tTd(50, 8))
 514                 sm_dprintf("dropenvelope(%s): at simpledrop, queueit=%d\n",
 515                         id, queueit);
 516         if (!queueit || bitset(EF_CLRQUEUE, e->e_flags))
 517         {
 518                 if (tTd(50, 1))
 519                 {
 520                         sm_dprintf("\n===== Dropping queue files for %s... queueit=%d, e_flags=",
 521                                 e->e_id, queueit);
 522                         printenvflags(e);
 523                 }
 524                 if (!panic)
 525                 {
 526                         if (e->e_dfp != NULL)
 527                         {
 528                                 (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT);
 529                                 e->e_dfp = NULL;
 530                         }
 531                         (void) xunlink(queuename(e, DATAFL_LETTER));
 532                 }
 533                 if (panic && QueueMode == QM_LOST)
 534                 {
 535                         /*
 536                         **  leave the Qf file behind as
 537                         **  the delivery attempt failed.
 538                         */
 539
 540                         /* EMPTY */
 541                 }
 542                 else
 543                 if (xunlink(queuename(e, ANYQFL_LETTER)) == 0)
 544                 {
 545                         /* add to available space in filesystem */
 546                         updfs(e, -1, panic ? 0 : -1, "dropenvelope");
 547                 }
 548
 549                 if (e->e_ntries > 0 && LogLevel > 9)
 550                         sm_syslog(LOG_INFO, id, "done; delay=%s, ntries=%d",
 551                                   pintvl(curtime() - e->e_ctime, true),
 552                                   e->e_ntries);
 553         }
 554         else if (queueit || !bitset(EF_INQUEUE, e->e_flags))
 555         {
 556                 if (!split)
 557                         queueup(e, false, true);
 558                 else
 559                 {
 560                         ENVELOPE *oldsib;
 561                         ENVELOPE *ee;
 562
 563                         /*
 564                         **  Save old sibling and set it to NULL to avoid
 565                         **  queueing up the same envelopes again.
 566                         **  This requires that envelopes in that list have
 567                         **  been take care of before (or at some other place).
 568                         */
 569
 570                         oldsib = e->e_sibling;
 571                         e->e_sibling = NULL;
 572                         if (!split_by_recipient(e) &&
 573                             bitset(EF_FATALERRS, e->e_flags))
 574                         {
 575                                 syserr("!dropenvelope(%s): cannot commit data file %s, uid=%d",
 576                                         e->e_id, queuename(e, DATAFL_LETTER),
 577                                         (int) geteuid());
 578                         }
 579                         for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling)
 580                                 queueup(ee, false, true);
 581                         queueup(e, false, true);
 582
 583                         /* clean up */
 584                         for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling)
 585                         {
 586                                 /* now unlock the job */
 587                                 if (tTd(50, 8))
 588                                         sm_dprintf("dropenvelope(%s): unlocking job\n",
 589                                                    ee->e_id);
 590                                 closexscript(ee);
 591                                 unlockqueue(ee);
 592
 593                                 /* this envelope is marked unused */
 594                                 if (ee->e_dfp != NULL)
 595                                 {
 596                                         (void) sm_io_close(ee->e_dfp,
 597                                                            SM_TIME_DEFAULT);
 598                                         ee->e_dfp = NULL;
 599                                 }
 600                                 ee->e_id = NULL;
 601                                 ee->e_flags &= ~EF_HAS_DF;
 602                         }
 603                         e->e_sibling = oldsib;
 604                 }
 605         }
 606
 607         /* now unlock the job */
 608         if (tTd(50, 8))
 609                 sm_dprintf("dropenvelope(%s): unlocking job\n", id);
 610         closexscript(e);
 611         unlockqueue(e);
 612
 613         /* make sure that this envelope is marked unused */
 614         if (e->e_dfp != NULL)
 615         {
 616                 (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT);
 617                 e->e_dfp = NULL;
 618         }
 619         e->e_id = NULL;
 620         e->e_flags &= ~EF_HAS_DF;
 621 }
 622 /*
 623 **  CLEARENVELOPE -- clear an envelope without unlocking
 624 **
 625 **      This is normally used by a child process to get a clean
 626 **      envelope without disturbing the parent.
 627 **
 628 **      Parameters:
 629 **              e -- the envelope to clear.
 630 **              fullclear - if set, the current envelope is total
 631 **                      garbage and should be ignored; otherwise,
 632 **                      release any resources it may indicate.
 633 **              rpool -- either NULL, or a pointer to a resource pool
 634 **                      from which envelope memory is allocated, and
 635 **                      to which envelope resources are attached.
 636 **
 637 **      Returns:
 638 **              none.
 639 **
 640 **      Side Effects:
 641 **              Closes files associated with the envelope.
 642 **              Marks the envelope as unallocated.
 643 */
 644
 645 void
 646 clearenvelope(e, fullclear, rpool)
 647         register ENVELOPE *e;
 648         bool fullclear;
 649         SM_RPOOL_T *rpool;
 650 {
 651         register HDR *bh;
 652         register HDR **nhp;
 653         extern ENVELOPE BlankEnvelope;
 654         char **p;
 655
 656         if (!fullclear)
 657         {
 658                 /* clear out any file information */
 659                 if (e->e_xfp != NULL)
 660                         (void) sm_io_close(e->e_xfp, SM_TIME_DEFAULT);
 661                 if (e->e_dfp != NULL)
 662                         (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT);
 663                 e->e_xfp = e->e_dfp = NULL;
 664         }
 665
 666         /*
 667         **  Copy BlankEnvelope into *e.
 668         **  It is not safe to simply copy pointers to strings;
 669         **  the strings themselves must be copied (or set to NULL).
 670         **  The problem is that when we assign a new string value to
 671         **  a member of BlankEnvelope, we free the old string.
 672         **  We did not need to do this copying in sendmail 8.11 :-(
 673         **  and it is a potential performance hit.  Reference counted
 674         **  strings are one way out.
 675         */
 676
 677         *e = BlankEnvelope;
 678         e->e_message = NULL;
 679         e->e_qfletter = '\0';
 680         e->e_quarmsg = NULL;
 681         macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), "");
 682
 683         /*
 684         **  Copy the macro table.
 685         **  We might be able to avoid this by zeroing the macro table
 686         **  and always searching BlankEnvelope.e_macro after e->e_macro
 687         **  in macvalue().
 688         */
 689
 690         for (p = &e->e_macro.mac_table[0];
 691              p <= &e->e_macro.mac_table[MAXMACROID];
 692              ++p)
 693         {
 694                 if (*p != NULL)
 695                         *p = sm_rpool_strdup_x(rpool, *p);
 696         }
 697
 698         /*
 699         **  XXX There are many strings in the envelope structure
 700         **  XXX that we are not attempting to copy here.
 701         **  XXX Investigate this further.
 702         */
 703
 704         e->e_rpool = rpool;
 705         e->e_macro.mac_rpool = rpool;
 706         if (Verbose)
 707                 set_delivery_mode(SM_DELIVER, e);
 708         bh = BlankEnvelope.e_header;
 709         nhp = &e->e_header;
 710         while (bh != NULL)
 711         {
 712                 *nhp = (HDR *) sm_rpool_malloc_x(rpool, sizeof(*bh));
 713                 memmove((char *) *nhp, (char *) bh, sizeof(*bh));
 714                 bh = bh->h_link;
 715                 nhp = &(*nhp)->h_link;
 716         }
 717 }
 718 /*
 719 **  INITSYS -- initialize instantiation of system
 720 **
 721 **      In Daemon mode, this is done in the child.
 722 **
 723 **      Parameters:
 724 **              e -- the envelope to use.
 725 **
 726 **      Returns:
 727 **              none.
 728 **
 729 **      Side Effects:
 730 **              Initializes the system macros, some global variables,
 731 **              etc.  In particular, the current time in various
 732 **              forms is set.
 733 */
 734
 735 void
 736 initsys(e)
 737         register ENVELOPE *e;
 738 {
 739         char buf[10];
 740 #ifdef TTYNAME
 741         static char ybuf[60];                   /* holds tty id */
 742         register char *p;
 743         extern char *ttyname();
 744 #endif /* TTYNAME */
 745
 746         /*
 747         **  Give this envelope a reality.
 748         **      I.e., an id, a transcript, and a creation time.
 749         **  We don't select the queue until all of the recipients are known.
 750         */
 751
 752         openxscript(e);
 753         e->e_ctime = curtime();
 754         e->e_qfletter = '\0';
 755
 756         /*
 757         **  Set OutChannel to something useful if stdout isn't it.
 758         **      This arranges that any extra stuff the mailer produces
 759         **      gets sent back to the user on error (because it is
 760         **      tucked away in the transcript).
 761         */
 762
 763         if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) &&
 764             e->e_xfp != NULL)
 765                 OutChannel = e->e_xfp;
 766
 767         /*
 768         **  Set up some basic system macros.
 769         */
 770
 771         /* process id */
 772         (void) sm_snprintf(buf, sizeof(buf), "%d", (int) CurrentPid);
 773         macdefine(&e->e_macro, A_TEMP, 'p', buf);
 774
 775         /* hop count */
 776         (void) sm_snprintf(buf, sizeof(buf), "%d", e->e_hopcount);
 777         macdefine(&e->e_macro, A_TEMP, 'c', buf);
 778
 779         /* time as integer, unix time, arpa time */
 780         settime(e);
 781
 782         /* Load average */
 783         sm_getla();
 784
 785 #ifdef TTYNAME
 786         /* tty name */
 787         if (macvalue('y', e) == NULL)
 788         {
 789                 p = ttyname(2);
 790                 if (p != NULL)
 791                 {
 792                         if (strrchr(p, '/') != NULL)
 793                                 p = strrchr(p, '/') + 1;
 794                         (void) sm_strlcpy(ybuf, sizeof(ybuf), p);
 795                         macdefine(&e->e_macro, A_PERM, 'y', ybuf);
 796                 }
 797         }
 798 #endif /* TTYNAME */
 799 }
 800 /*
 801 **  SETTIME -- set the current time.
 802 **
 803 **      Parameters:
 804 **              e -- the envelope in which the macros should be set.
 805 **
 806 **      Returns:
 807 **              none.
 808 **
 809 **      Side Effects:
 810 **              Sets the various time macros -- $a, $b, $d, $t.
 811 */
 812
 813 void
 814 settime(e)
 815         register ENVELOPE *e;
 816 {
 817         register char *p;
 818         auto time_t now;
 819         char buf[30];
 820         register struct tm *tm;
 821
 822         now = curtime();
 823         (void) sm_snprintf(buf, sizeof(buf), "%ld", (long) now);
 824         macdefine(&e->e_macro, A_TEMP, macid("{time}"), buf);
 825         tm = gmtime(&now);
 826         (void) sm_snprintf(buf, sizeof(buf), "%04d%02d%02d%02d%02d",
 827                            tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
 828                            tm->tm_hour, tm->tm_min);
 829         macdefine(&e->e_macro, A_TEMP, 't', buf);
 830         (void) sm_strlcpy(buf, ctime(&now), sizeof(buf));
 831         p = strchr(buf, '\n');
 832         if (p != NULL)
 833                 *p = '\0';
 834         macdefine(&e->e_macro, A_TEMP, 'd', buf);
 835         macdefine(&e->e_macro, A_TEMP, 'b', arpadate(buf));
 836         if (macvalue('a', e) == NULL)
 837                 macdefine(&e->e_macro, A_PERM, 'a', macvalue('b', e));
 838 }
 839 /*
 840 **  OPENXSCRIPT -- Open transcript file
 841 **
 842 **      Creates a transcript file for possible eventual mailing or
 843 **      sending back.
 844 **
 845 **      Parameters:
 846 **              e -- the envelope to create the transcript in/for.
 847 **
 848 **      Returns:
 849 **              none
 850 **
 851 **      Side Effects:
 852 **              Creates the transcript file.
 853 */
 854
 855 #ifndef O_APPEND
 856 # define O_APPEND       0
 857 #endif /* ! O_APPEND */
 858
 859 void
 860 openxscript(e)
 861         register ENVELOPE *e;
 862 {
 863         register char *p;
 864
 865         if (e->e_xfp != NULL)
 866                 return;
 867
 868 #if 0
 869         if (e->e_lockfp == NULL && bitset(EF_INQUEUE, e->e_flags))
 870                 syserr("openxscript: job not locked");
 871 #endif /* 0 */
 872
 873         p = queuename(e, XSCRPT_LETTER);
 874         e->e_xfp = bfopen(p, FileMode, XscriptFileBufferSize,
 875                           SFF_NOTEXCL|SFF_OPENASROOT);
 876
 877         if (e->e_xfp == NULL)
 878         {
 879                 syserr("Can't create transcript file %s", p);
 880                 e->e_xfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT,
 881                                       SM_PATH_DEVNULL, SM_IO_RDWR, NULL);
 882                 if (e->e_xfp == NULL)
 883                         syserr("!Can't open %s", SM_PATH_DEVNULL);
 884         }
 885         (void) sm_io_setvbuf(e->e_xfp, SM_TIME_DEFAULT, NULL, SM_IO_LBF, 0);
 886         if (tTd(46, 9))
 887         {
 888                 sm_dprintf("openxscript(%s):\n  ", p);
 889                 dumpfd(sm_io_getinfo(e->e_xfp, SM_IO_WHAT_FD, NULL), true,
 890                        false);
 891         }
 892 }
 893 /*
 894 **  CLOSEXSCRIPT -- close the transcript file.
 895 **
 896 **      Parameters:
 897 **              e -- the envelope containing the transcript to close.
 898 **
 899 **      Returns:
 900 **              none.
 901 **
 902 **      Side Effects:
 903 **              none.
 904 */
 905
 906 void
 907 closexscript(e)
 908         register ENVELOPE *e;
 909 {
 910         if (e->e_xfp == NULL)
 911                 return;
 912 #if 0
 913         if (e->e_lockfp == NULL)
 914                 syserr("closexscript: job not locked");
 915 #endif /* 0 */
 916         (void) sm_io_close(e->e_xfp, SM_TIME_DEFAULT);
 917         e->e_xfp = NULL;
 918 }
 919 /*
 920 **  SETSENDER -- set the person who this message is from
 921 **
 922 **      Under certain circumstances allow the user to say who
 923 **      s/he is (using -f or -r).  These are:
 924 **      1.  The user's uid is zero (root).
 925 **      2.  The user's login name is in an approved list (typically
 926 **          from a network server).
 927 **      3.  The address the user is trying to claim has a
 928 **          "!" character in it (since #2 doesn't do it for
 929 **          us if we are dialing out for UUCP).
 930 **      A better check to replace #3 would be if the
 931 **      effective uid is "UUCP" -- this would require me
 932 **      to rewrite getpwent to "grab" uucp as it went by,
 933 **      make getname more nasty, do another passwd file
 934 **      scan, or compile the UID of "UUCP" into the code,
 935 **      all of which are reprehensible.
 936 **
 937 **      Assuming all of these fail, we figure out something
 938 **      ourselves.
 939 **
 940 **      Parameters:
 941 **              from -- the person we would like to believe this message
 942 **                      is from, as specified on the command line.
 943 **              e -- the envelope in which we would like the sender set.
 944 **              delimptr -- if non-NULL, set to the location of the
 945 **                      trailing delimiter.
 946 **              delimchar -- the character that will delimit the sender
 947 **                      address.
 948 **              internal -- set if this address is coming from an internal
 949 **                      source such as an owner alias.
 950 **
 951 **      Returns:
 952 **              none.
 953 **
 954 **      Side Effects:
 955 **              sets sendmail's notion of who the from person is.
 956 */
 957
 958 void
 959 setsender(from, e, delimptr, delimchar, internal)
 960         char *from;
 961         register ENVELOPE *e;
 962         char **delimptr;
 963         int delimchar;
 964         bool internal;
 965 {
 966         register char **pvp;
 967         char *realname = NULL;
 968         char *bp;
 969         char buf[MAXNAME + 2];
 970         char pvpbuf[PSBUFSIZE];
 971         extern char *FullName;
 972
 973         if (tTd(45, 1))
 974                 sm_dprintf("setsender(%s)\n", from == NULL ? "" : from);
 975
 976         /* may be set from earlier calls */
 977         macdefine(&e->e_macro, A_PERM, 'x', "");
 978
 979         /*
 980         **  Figure out the real user executing us.
 981         **      Username can return errno != 0 on non-errors.
 982         */
 983
 984         if (bitset(EF_QUEUERUN, e->e_flags) || OpMode == MD_SMTP ||
 985             OpMode == MD_ARPAFTP || OpMode == MD_DAEMON)
 986                 realname = from;
 987         if (realname == NULL || realname[0] == '\0')
 988                 realname = username();
 989
 990         if (ConfigLevel < 2)
 991                 SuprErrs = true;
 992
 993         macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e s");
 994
 995         /* preset state for then clause in case from == NULL */
 996         e->e_from.q_state = QS_BADADDR;
 997         e->e_from.q_flags = 0;
 998         if (from == NULL ||
 999             parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR,
1000                       delimchar, delimptr, e, false) == NULL ||
1001             QS_IS_BADADDR(e->e_from.q_state) ||
1002             e->e_from.q_mailer == ProgMailer ||
1003             e->e_from.q_mailer == FileMailer ||
1004             e->e_from.q_mailer == InclMailer)
1005         {
1006                 /* log garbage addresses for traceback */
1007                 if (from != NULL && LogLevel > 2)
1008                 {
1009                         char *p;
1010                         char ebuf[MAXNAME * 2 + 2];
1011
1012                         p = macvalue('_', e);
1013                         if (p == NULL)
1014                         {
1015                                 char *host = RealHostName;
1016
1017                                 if (host == NULL)
1018                                         host = MyHostName;
1019                                 (void) sm_snprintf(ebuf, sizeof(ebuf),
1020                                                    "%.*s@%.*s", MAXNAME,
1021                                                    realname, MAXNAME, host);
1022                                 p = ebuf;
1023                         }
1024                         sm_syslog(LOG_NOTICE, e->e_id,
1025                                   "setsender: %s: invalid or unparsable, received from %s",
1026                                   shortenstring(from, 83), p);
1027                 }
1028                 if (from != NULL)
1029                 {
1030                         if (!QS_IS_BADADDR(e->e_from.q_state))
1031                         {
1032                                 /* it was a bogus mailer in the from addr */
1033                                 e->e_status = "5.1.7";
1034                                 usrerrenh(e->e_status,
1035                                           "553 Invalid sender address");
1036                         }
1037                         SuprErrs = true;
1038                 }
1039                 if (from == realname ||
1040                     parseaddr(from = realname,
1041                               &e->e_from, RF_COPYALL|RF_SENDERADDR, ' ',
1042                               NULL, e, false) == NULL)
1043                 {
1044                         char nbuf[100];
1045
1046                         SuprErrs = true;
1047                         expand("\201n", nbuf, sizeof(nbuf), e);
1048                         from = sm_rpool_strdup_x(e->e_rpool, nbuf);
1049                         if (parseaddr(from, &e->e_from, RF_COPYALL, ' ',
1050                                       NULL, e, false) == NULL &&
1051                             parseaddr(from = "postmaster", &e->e_from,
1052                                       RF_COPYALL, ' ', NULL, e, false) == NULL)
1053                                 syserr("553 5.3.0 setsender: can't even parse postmaster!");
1054                 }
1055         }
1056         else
1057                 FromFlag = true;
1058         e->e_from.q_state = QS_SENDER;
1059         if (tTd(45, 5))
1060         {
1061                 sm_dprintf("setsender: QS_SENDER ");
1062                 printaddr(sm_debug_file(), &e->e_from, false);
1063         }
1064         SuprErrs = false;
1065
1066 #if USERDB
1067         if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags))
1068         {
1069                 register char *p;
1070
1071                 p = udbsender(e->e_from.q_user, e->e_rpool);
1072                 if (p != NULL)
1073                         from = p;
1074         }
1075 #endif /* USERDB */
1076
1077         if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags))
1078         {
1079                 SM_MBDB_T user;
1080
1081                 if (!internal)
1082                 {
1083                         /* if the user already given fullname don't redefine */
1084                         if (FullName == NULL)
1085                                 FullName = macvalue('x', e);
1086                         if (FullName != NULL)
1087                         {
1088                                 if (FullName[0] == '\0')
1089                                         FullName = NULL;
1090                                 else
1091                                         FullName = newstr(FullName);
1092                         }
1093                 }
1094
1095                 if (e->e_from.q_user[0] != '\0' &&
1096                     sm_mbdb_lookup(e->e_from.q_user, &user) == EX_OK)
1097                 {
1098                         /*
1099                         **  Process passwd file entry.
1100                         */
1101
1102                         /* extract home directory */
1103                         if (*user.mbdb_homedir == '\0')
1104                                 e->e_from.q_home = NULL;
1105                         else if (strcmp(user.mbdb_homedir, "/") == 0)
1106                                 e->e_from.q_home = "";
1107                         else
1108                                 e->e_from.q_home = sm_rpool_strdup_x(e->e_rpool,
1109                                                         user.mbdb_homedir);
1110                         macdefine(&e->e_macro, A_PERM, 'z', e->e_from.q_home);
1111
1112                         /* extract user and group id */
1113                         if (user.mbdb_uid != SM_NO_UID)
1114                         {
1115                                 e->e_from.q_uid = user.mbdb_uid;
1116                                 e->e_from.q_gid = user.mbdb_gid;
1117                                 e->e_from.q_flags |= QGOODUID;
1118                         }
1119
1120                         /* extract full name from passwd file */
1121                         if (FullName == NULL && !internal &&
1122                             user.mbdb_fullname[0] != '\0' &&
1123                             strcmp(user.mbdb_name, e->e_from.q_user) == 0)
1124                         {
1125                                 FullName = newstr(user.mbdb_fullname);
1126                         }
1127                 }
1128                 else
1129                 {
1130                         e->e_from.q_home = NULL;
1131                 }
1132                 if (FullName != NULL && !internal)
1133                         macdefine(&e->e_macro, A_TEMP, 'x', FullName);
1134         }
1135         else if (!internal && OpMode != MD_DAEMON && OpMode != MD_SMTP)
1136         {
1137                 if (e->e_from.q_home == NULL)
1138                 {
1139                         e->e_from.q_home = getenv("HOME");
1140                         if (e->e_from.q_home != NULL)
1141                         {
1142                                 if (*e->e_from.q_home == '\0')
1143                                         e->e_from.q_home = NULL;
1144                                 else if (strcmp(e->e_from.q_home, "/") == 0)
1145                                         e->e_from.q_home++;
1146                         }
1147                 }
1148                 e->e_from.q_uid = RealUid;
1149                 e->e_from.q_gid = RealGid;
1150                 e->e_from.q_flags |= QGOODUID;
1151         }
1152
1153         /*
1154         **  Rewrite the from person to dispose of possible implicit
1155         **      links in the net.
1156         */
1157
1158         pvp = prescan(from, delimchar, pvpbuf, sizeof(pvpbuf), NULL,
1159                         IntTokenTab, false);
1160         if (pvp == NULL)
1161         {
1162                 /* don't need to give error -- prescan did that already */
1163                 if (LogLevel > 2)
1164                         sm_syslog(LOG_NOTICE, e->e_id,
1165                                   "cannot prescan from (%s)",
1166                                   shortenstring(from, MAXSHORTSTR));
1167                 finis(true, true, ExitStat);
1168         }
1169         (void) REWRITE(pvp, 3, e);
1170         (void) REWRITE(pvp, 1, e);
1171         (void) REWRITE(pvp, 4, e);
1172         macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL);
1173         bp = buf + 1;
1174         cataddr(pvp, NULL, bp, sizeof(buf) - 2, '\0', false);
1175         if (*bp == '@' && !bitnset(M_NOBRACKET, e->e_from.q_mailer->m_flags))
1176         {
1177                 /* heuristic: route-addr: add angle brackets */
1178                 (void) sm_strlcat(bp, ">", sizeof(buf) - 1);
1179                 *--bp = '<';
1180         }
1181         e->e_sender = sm_rpool_strdup_x(e->e_rpool, bp);
1182         macdefine(&e->e_macro, A_PERM, 'f', e->e_sender);
1183
1184         /* save the domain spec if this mailer wants it */
1185         if (e->e_from.q_mailer != NULL &&
1186             bitnset(M_CANONICAL, e->e_from.q_mailer->m_flags))
1187         {
1188                 char **lastat;
1189
1190                 /* get rid of any pesky angle brackets */
1191                 macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e s");
1192                 (void) REWRITE(pvp, 3, e);
1193                 (void) REWRITE(pvp, 1, e);
1194                 (void) REWRITE(pvp, 4, e);
1195                 macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL);
1196
1197                 /* strip off to the last "@" sign */
1198                 for (lastat = NULL; *pvp != NULL; pvp++)
1199                 {
1200                         if (strcmp(*pvp, "@") == 0)
1201                                 lastat = pvp;
1202                 }
1203                 if (lastat != NULL)
1204                 {
1205                         e->e_fromdomain = copyplist(lastat, true, e->e_rpool);
1206                         if (tTd(45, 3))
1207                         {
1208                                 sm_dprintf("Saving from domain: ");
1209                                 printav(sm_debug_file(), e->e_fromdomain);
1210                         }
1211                 }
1212         }
1213 }
1214 /*
1215 **  PRINTENVFLAGS -- print envelope flags for debugging
1216 **
1217 **      Parameters:
1218 **              e -- the envelope with the flags to be printed.
1219 **
1220 **      Returns:
1221 **              none.
1222 */
1223
1224 struct eflags
1225 {
1226         char            *ef_name;
1227         unsigned long   ef_bit;
1228 };
1229
1230 static struct eflags    EnvelopeFlags[] =
1231 {
1232         { "OLDSTYLE",           EF_OLDSTYLE     },
1233         { "INQUEUE",            EF_INQUEUE      },
1234         { "NO_BODY_RETN",       EF_NO_BODY_RETN },
1235         { "CLRQUEUE",           EF_CLRQUEUE     },
1236         { "SENDRECEIPT",        EF_SENDRECEIPT  },
1237         { "FATALERRS",          EF_FATALERRS    },
1238         { "DELETE_BCC",         EF_DELETE_BCC   },
1239         { "RESPONSE",           EF_RESPONSE     },
1240         { "RESENT",             EF_RESENT       },
1241         { "VRFYONLY",           EF_VRFYONLY     },
1242         { "WARNING",            EF_WARNING      },
1243         { "QUEUERUN",           EF_QUEUERUN     },
1244         { "GLOBALERRS",         EF_GLOBALERRS   },
1245         { "PM_NOTIFY",          EF_PM_NOTIFY    },
1246         { "METOO",              EF_METOO        },
1247         { "LOGSENDER",          EF_LOGSENDER    },
1248         { "NORECEIPT",          EF_NORECEIPT    },
1249         { "HAS8BIT",            EF_HAS8BIT      },
1250         { "NL_NOT_EOL",         EF_NL_NOT_EOL   },
1251         { "CRLF_NOT_EOL",       EF_CRLF_NOT_EOL },
1252         { "RET_PARAM",          EF_RET_PARAM    },
1253         { "HAS_DF",             EF_HAS_DF       },
1254         { "IS_MIME",            EF_IS_MIME      },
1255         { "DONT_MIME",          EF_DONT_MIME    },
1256         { "DISCARD",            EF_DISCARD      },
1257         { "TOOBIG",             EF_TOOBIG       },
1258         { "SPLIT",              EF_SPLIT        },
1259         { "UNSAFE",             EF_UNSAFE       },
1260         { NULL,                 0               }
1261 };
1262
1263 void
1264 printenvflags(e)
1265         register ENVELOPE *e;
1266 {
1267         register struct eflags *ef;
1268         bool first = true;
1269
1270         sm_dprintf("%lx", e->e_flags);
1271         for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++)
1272         {
1273                 if (!bitset(ef->ef_bit, e->e_flags))
1274                         continue;
1275                 if (first)
1276                         sm_dprintf("<%s", ef->ef_name);
1277                 else
1278                         sm_dprintf(",%s", ef->ef_name);
1279                 first = false;
1280         }
1281         if (!first)
1282                 sm_dprintf(">\n");
1283 }