1 /* 2 * Copyright (c) 1983 Eric P. Allman 3 * Copyright (c) 1988, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * %sccs.include.redist.c% 7 */ 8 9 #ifndef lint 10 static char sccsid[] = "@(#)savemail.c 8.43 (Berkeley) 11/23/94"; 11 #endif /* not lint */ 12 13 # include "sendmail.h" 14 # include <pwd.h> 15 16 /* 17 ** SAVEMAIL -- Save mail on error 18 ** 19 ** If mailing back errors, mail it back to the originator 20 ** together with an error message; otherwise, just put it in 21 ** dead.letter in the user's home directory (if he exists on 22 ** this machine). 23 ** 24 ** Parameters: 25 ** e -- the envelope containing the message in error. 26 ** sendbody -- if TRUE, also send back the body of the 27 ** message; otherwise just send the header. 28 ** 29 ** Returns: 30 ** none 31 ** 32 ** Side Effects: 33 ** Saves the letter, by writing or mailing it back to the 34 ** sender, or by putting it in dead.letter in her home 35 ** directory. 36 */ 37 38 /* defines for state machine */ 39 # define ESM_REPORT 0 /* report to sender's terminal */ 40 # define ESM_MAIL 1 /* mail back to sender */ 41 # define ESM_QUIET 2 /* messages have already been returned */ 42 # define ESM_DEADLETTER 3 /* save in ~/dead.letter */ 43 # define ESM_POSTMASTER 4 /* return to postmaster */ 44 # define ESM_USRTMP 5 /* save in /usr/tmp/dead.letter */ 45 # define ESM_PANIC 6 /* leave the locked queue/transcript files */ 46 # define ESM_DONE 7 /* the message is successfully delivered */ 47 48 # ifndef _PATH_VARTMP 49 # define _PATH_VARTMP "/usr/tmp/" 50 # endif 51 52 53 savemail(e, sendbody) 54 register ENVELOPE *e; 55 bool sendbody; 56 { 57 register struct passwd *pw; 58 register FILE *fp; 59 int state; 60 auto ADDRESS *q = NULL; 61 register char *p; 62 MCI mcibuf; 63 char buf[MAXLINE+1]; 64 extern struct passwd *getpwnam(); 65 extern char *ttypath(); 66 typedef int (*fnptr)(); 67 extern bool writable(); 68 69 if (tTd(6, 1)) 70 { 71 printf("\nsavemail, errormode = %c, id = %s, ExitStat = %d\n e_from=", 72 e->e_errormode, e->e_id == NULL ? "NONE" : e->e_id, 73 ExitStat); 74 printaddr(&e->e_from, FALSE); 75 } 76 77 if (e->e_id == NULL) 78 { 79 /* can't return a message with no id */ 80 return; 81 } 82 83 /* 84 ** In the unhappy event we don't know who to return the mail 85 ** to, make someone up. 86 */ 87 88 if (e->e_from.q_paddr == NULL) 89 { 90 e->e_sender = "Postmaster"; 91 if (parseaddr(e->e_sender, &e->e_from, 92 RF_COPYPARSE|RF_SENDERADDR, '\0', NULL, e) == NULL) 93 { 94 syserr("553 Cannot parse Postmaster!"); 95 ExitStat = EX_SOFTWARE; 96 finis(); 97 } 98 } 99 e->e_to = NULL; 100 101 /* 102 ** Basic state machine. 103 ** 104 ** This machine runs through the following states: 105 ** 106 ** ESM_QUIET Errors have already been printed iff the 107 ** sender is local. 108 ** ESM_REPORT Report directly to the sender's terminal. 109 ** ESM_MAIL Mail response to the sender. 110 ** ESM_DEADLETTER Save response in ~/dead.letter. 111 ** ESM_POSTMASTER Mail response to the postmaster. 112 ** ESM_PANIC Save response anywhere possible. 113 */ 114 115 /* determine starting state */ 116 switch (e->e_errormode) 117 { 118 case EM_WRITE: 119 state = ESM_REPORT; 120 break; 121 122 case EM_BERKNET: 123 /* mail back, but return o.k. exit status */ 124 ExitStat = EX_OK; 125 126 /* fall through.... */ 127 128 case EM_MAIL: 129 state = ESM_MAIL; 130 break; 131 132 case EM_PRINT: 133 case '\0': 134 state = ESM_QUIET; 135 break; 136 137 case EM_QUIET: 138 /* no need to return anything at all */ 139 return; 140 141 default: 142 syserr("554 savemail: bogus errormode x%x\n", e->e_errormode); 143 state = ESM_MAIL; 144 break; 145 } 146 147 /* if this is already an error response, send to postmaster */ 148 if (bitset(EF_RESPONSE, e->e_flags)) 149 { 150 if (e->e_parent != NULL && 151 bitset(EF_RESPONSE, e->e_parent->e_flags)) 152 { 153 /* got an error sending a response -- can it */ 154 return; 155 } 156 state = ESM_POSTMASTER; 157 } 158 159 while (state != ESM_DONE) 160 { 161 if (tTd(6, 5)) 162 printf(" state %d\n", state); 163 164 switch (state) 165 { 166 case ESM_QUIET: 167 if (bitnset(M_LOCALMAILER, e->e_from.q_mailer->m_flags)) 168 state = ESM_DEADLETTER; 169 else 170 state = ESM_MAIL; 171 break; 172 173 case ESM_REPORT: 174 175 /* 176 ** If the user is still logged in on the same terminal, 177 ** then write the error messages back to hir (sic). 178 */ 179 180 p = ttypath(); 181 if (p == NULL || freopen(p, "w", stdout) == NULL) 182 { 183 state = ESM_MAIL; 184 break; 185 } 186 187 expand("\201n", buf, &buf[sizeof buf - 1], e); 188 printf("\r\nMessage from %s...\r\n", buf); 189 printf("Errors occurred while sending mail.\r\n"); 190 if (e->e_xfp != NULL) 191 { 192 (void) fflush(e->e_xfp); 193 fp = fopen(queuename(e, 'x'), "r"); 194 } 195 else 196 fp = NULL; 197 if (fp == NULL) 198 { 199 syserr("Cannot open %s", queuename(e, 'x')); 200 printf("Transcript of session is unavailable.\r\n"); 201 } 202 else 203 { 204 printf("Transcript follows:\r\n"); 205 while (fgets(buf, sizeof buf, fp) != NULL && 206 !ferror(stdout)) 207 fputs(buf, stdout); 208 (void) xfclose(fp, "savemail transcript", e->e_id); 209 } 210 printf("Original message will be saved in dead.letter.\r\n"); 211 state = ESM_DEADLETTER; 212 break; 213 214 case ESM_MAIL: 215 /* 216 ** If mailing back, do it. 217 ** Throw away all further output. Don't alias, 218 ** since this could cause loops, e.g., if joe 219 ** mails to joe@x, and for some reason the network 220 ** for @x is down, then the response gets sent to 221 ** joe@x, which gives a response, etc. Also force 222 ** the mail to be delivered even if a version of 223 ** it has already been sent to the sender. 224 ** 225 ** If this is a configuration or local software 226 ** error, send to the local postmaster as well, 227 ** since the originator can't do anything 228 ** about it anyway. Note that this is a full 229 ** copy of the message (intentionally) so that 230 ** the Postmaster can forward things along. 231 */ 232 233 if (ExitStat == EX_CONFIG || ExitStat == EX_SOFTWARE) 234 { 235 (void) sendtolist("postmaster", 236 NULLADDR, &e->e_errorqueue, 0, e); 237 } 238 if (!emptyaddr(&e->e_from)) 239 { 240 (void) sendtolist(e->e_from.q_paddr, 241 NULLADDR, &e->e_errorqueue, 0, e); 242 } 243 244 /* 245 ** Deliver a non-delivery report to the 246 ** Postmaster-designate (not necessarily 247 ** Postmaster). This does not include the 248 ** body of the message, for privacy reasons. 249 ** You really shouldn't need this. 250 */ 251 252 e->e_flags |= EF_PM_NOTIFY; 253 254 /* check to see if there are any good addresses */ 255 for (q = e->e_errorqueue; q != NULL; q = q->q_next) 256 if (!bitset(QBADADDR|QDONTSEND, q->q_flags)) 257 break; 258 if (q == NULL) 259 { 260 /* this is an error-error */ 261 state = ESM_POSTMASTER; 262 break; 263 } 264 if (returntosender(e->e_message, e->e_errorqueue, 265 sendbody, e) == 0) 266 { 267 state = ESM_DONE; 268 break; 269 } 270 271 /* didn't work -- return to postmaster */ 272 state = ESM_POSTMASTER; 273 break; 274 275 case ESM_POSTMASTER: 276 /* 277 ** Similar to previous case, but to system postmaster. 278 */ 279 280 q = NULL; 281 if (sendtolist("postmaster", NULL, &q, 0, e) <= 0) 282 { 283 syserr("553 cannot parse postmaster!"); 284 ExitStat = EX_SOFTWARE; 285 state = ESM_USRTMP; 286 break; 287 } 288 if (returntosender(e->e_message, q, sendbody, e) == 0) 289 { 290 state = ESM_DONE; 291 break; 292 } 293 294 /* didn't work -- last resort */ 295 state = ESM_USRTMP; 296 break; 297 298 case ESM_DEADLETTER: 299 /* 300 ** Save the message in dead.letter. 301 ** If we weren't mailing back, and the user is 302 ** local, we should save the message in 303 ** ~/dead.letter so that the poor person doesn't 304 ** have to type it over again -- and we all know 305 ** what poor typists UNIX users are. 306 */ 307 308 p = NULL; 309 if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) 310 { 311 if (e->e_from.q_home != NULL) 312 p = e->e_from.q_home; 313 else if ((pw = getpwnam(e->e_from.q_user)) != NULL) 314 p = pw->pw_dir; 315 } 316 if (p == NULL) 317 { 318 /* no local directory */ 319 state = ESM_MAIL; 320 break; 321 } 322 if (e->e_dfp != NULL) 323 { 324 bool oldverb = Verbose; 325 326 /* we have a home directory; open dead.letter */ 327 define('z', p, e); 328 expand("\201z/dead.letter", buf, &buf[sizeof buf - 1], e); 329 Verbose = TRUE; 330 message("Saving message in %s", buf); 331 Verbose = oldverb; 332 e->e_to = buf; 333 q = NULL; 334 (void) sendtolist(buf, &e->e_from, &q, 0, e); 335 if (q != NULL && 336 !bitset(QBADADDR, q->q_flags) && 337 deliver(e, q) == 0) 338 state = ESM_DONE; 339 else 340 state = ESM_MAIL; 341 } 342 else 343 { 344 /* no data file -- try mailing back */ 345 state = ESM_MAIL; 346 } 347 break; 348 349 case ESM_USRTMP: 350 /* 351 ** Log the mail in /usr/tmp/dead.letter. 352 */ 353 354 if (e->e_class < 0) 355 { 356 state = ESM_DONE; 357 break; 358 } 359 360 strcpy(buf, _PATH_VARTMP); 361 strcat(buf, "dead.letter"); 362 if (!writable(buf, NULLADDR, SFF_NOSLINK)) 363 { 364 state = ESM_PANIC; 365 break; 366 } 367 fp = dfopen(buf, O_WRONLY|O_CREAT|O_APPEND, FileMode); 368 if (fp == NULL) 369 { 370 state = ESM_PANIC; 371 break; 372 } 373 374 bzero(&mcibuf, sizeof mcibuf); 375 mcibuf.mci_out = fp; 376 mcibuf.mci_mailer = FileMailer; 377 if (bitnset(M_7BITS, FileMailer->m_flags)) 378 mcibuf.mci_flags |= MCIF_7BIT; 379 380 putfromline(&mcibuf, e); 381 (*e->e_puthdr)(&mcibuf, e->e_header, e, 0); 382 (*e->e_putbody)(&mcibuf, e, NULL, 0); 383 putline("\n", &mcibuf); 384 (void) fflush(fp); 385 state = ferror(fp) ? ESM_PANIC : ESM_DONE; 386 (void) xfclose(fp, "savemail", buf); 387 break; 388 389 default: 390 syserr("554 savemail: unknown state %d", state); 391 392 /* fall through ... */ 393 394 case ESM_PANIC: 395 /* leave the locked queue & transcript files around */ 396 syserr("!554 savemail: cannot save rejected email anywhere"); 397 } 398 } 399 } 400 /* 401 ** RETURNTOSENDER -- return a message to the sender with an error. 402 ** 403 ** Parameters: 404 ** msg -- the explanatory message. 405 ** returnq -- the queue of people to send the message to. 406 ** sendbody -- if TRUE, also send back the body of the 407 ** message; otherwise just send the header. 408 ** e -- the current envelope. 409 ** 410 ** Returns: 411 ** zero -- if everything went ok. 412 ** else -- some error. 413 ** 414 ** Side Effects: 415 ** Returns the current message to the sender via 416 ** mail. 417 */ 418 419 static bool SendBody; 420 421 #define MAXRETURNS 6 /* max depth of returning messages */ 422 #define ERRORFUDGE 100 /* nominal size of error message text */ 423 424 returntosender(msg, returnq, sendbody, e) 425 char *msg; 426 ADDRESS *returnq; 427 bool sendbody; 428 register ENVELOPE *e; 429 { 430 char buf[MAXNAME]; 431 extern putheader(), errbody(); 432 register ENVELOPE *ee; 433 ENVELOPE *oldcur = CurEnv; 434 ENVELOPE errenvelope; 435 static int returndepth; 436 register ADDRESS *q; 437 438 if (returnq == NULL) 439 return (-1); 440 441 if (msg == NULL) 442 msg = "Unable to deliver mail"; 443 444 if (tTd(6, 1)) 445 { 446 printf("\n*** Return To Sender: msg=\"%s\", depth=%d, e=%x, returnq=", 447 msg, returndepth, e); 448 printaddr(returnq, TRUE); 449 if (tTd(6, 20)) 450 { 451 printf("Sendq="); 452 printaddr(e->e_sendqueue, TRUE); 453 } 454 } 455 456 if (++returndepth >= MAXRETURNS) 457 { 458 if (returndepth != MAXRETURNS) 459 syserr("554 returntosender: infinite recursion on %s", returnq->q_paddr); 460 /* don't "unrecurse" and fake a clean exit */ 461 /* returndepth--; */ 462 return (0); 463 } 464 465 SendBody = sendbody; 466 define('g', e->e_from.q_paddr, e); 467 define('u', NULL, e); 468 469 /* initialize error envelope */ 470 ee = newenvelope(&errenvelope, e); 471 define('a', "\201b", ee); 472 define('r', "internal", ee); 473 define('s', "localhost", ee); 474 define('_', "localhost", ee); 475 ee->e_puthdr = putheader; 476 ee->e_putbody = errbody; 477 ee->e_flags |= EF_RESPONSE|EF_METOO; 478 if (!bitset(EF_OLDSTYLE, e->e_flags)) 479 ee->e_flags &= ~EF_OLDSTYLE; 480 ee->e_sendqueue = returnq; 481 ee->e_msgsize = ERRORFUDGE; 482 if (!bitset(EF_NORETURN, e->e_flags)) 483 ee->e_msgsize += e->e_msgsize; 484 initsys(ee); 485 for (q = returnq; q != NULL; q = q->q_next) 486 { 487 if (bitset(QBADADDR, q->q_flags)) 488 continue; 489 490 if (!bitset(QDONTSEND, q->q_flags)) 491 ee->e_nrcpts++; 492 493 if (!DontPruneRoutes && pruneroute(q->q_paddr)) 494 parseaddr(q->q_paddr, q, RF_COPYPARSE, '\0', NULL, e); 495 496 if (q->q_alias == NULL) 497 addheader("To", q->q_paddr, &ee->e_header); 498 } 499 500 # ifdef LOG 501 if (LogLevel > 5) 502 syslog(LOG_INFO, "%s: %s: return to sender: %s", 503 e->e_id, ee->e_id, msg); 504 # endif 505 506 if (strncmp(msg, "Warning:", 8) == 0) 507 { 508 addheader("Subject", msg, ee); 509 addheader("Precedence", "autoreply warning-timeout", &ee->e_header); 510 } 511 else if (strcmp(msg, "Return receipt") == 0) 512 { 513 addheader("Subject", msg, ee); 514 addheader("Precedence", "autoreply return-receipt", &ee->e_header); 515 } 516 else 517 { 518 sprintf(buf, "Returned mail: %.*s", sizeof buf - 20, msg); 519 addheader("Subject", buf, &ee->e_header); 520 addheader("Precedence", "autoreply failure-message", &ee->e_header); 521 } 522 if (SendMIMEErrors) 523 { 524 addheader("MIME-Version", "1.0", &ee->e_header); 525 (void) sprintf(buf, "%s.%ld/%s", 526 ee->e_id, curtime(), MyHostName); 527 ee->e_msgboundary = newstr(buf); 528 (void) sprintf(buf, 529 "multipart/report; report-type=delivery-status; boundary=\"%s\"", 530 ee->e_msgboundary); 531 addheader("Content-Type", buf, &ee->e_header); 532 } 533 534 /* fake up an address header for the from person */ 535 expand("\201n", buf, &buf[sizeof buf - 1], e); 536 if (parseaddr(buf, &ee->e_from, RF_COPYALL|RF_SENDERADDR, '\0', NULL, e) == NULL) 537 { 538 syserr("553 Can't parse myself!"); 539 ExitStat = EX_SOFTWARE; 540 returndepth--; 541 return (-1); 542 } 543 ee->e_sender = ee->e_from.q_paddr; 544 545 /* push state into submessage */ 546 CurEnv = ee; 547 define('f', "\201n", ee); 548 define('x', "Mail Delivery Subsystem", ee); 549 eatheader(ee, TRUE); 550 551 /* mark statistics */ 552 markstats(ee, NULLADDR); 553 554 /* actually deliver the error message */ 555 sendall(ee, SM_DEFAULT); 556 557 /* restore state */ 558 dropenvelope(ee); 559 CurEnv = oldcur; 560 returndepth--; 561 562 /* should check for delivery errors here */ 563 return (0); 564 } 565 /* 566 ** ERRBODY -- output the body of an error message. 567 ** 568 ** Typically this is a copy of the transcript plus a copy of the 569 ** original offending message. 570 ** 571 ** Parameters: 572 ** mci -- the mailer connection information. 573 ** e -- the envelope we are working in. 574 ** separator -- any possible MIME separator. 575 ** flags -- to modify the behaviour. 576 ** 577 ** Returns: 578 ** none 579 ** 580 ** Side Effects: 581 ** Outputs the body of an error message. 582 */ 583 584 errbody(mci, e, separator, flags) 585 register MCI *mci; 586 register ENVELOPE *e; 587 char *separator; 588 { 589 register FILE *xfile; 590 char *p; 591 register ADDRESS *q; 592 bool printheader; 593 int pflags = flags; 594 char buf[MAXLINE]; 595 596 if (bitset(MCIF_INHEADER, mci->mci_flags)) 597 { 598 putline("", mci); 599 mci->mci_flags &= ~MCIF_INHEADER; 600 } 601 if (e->e_parent == NULL) 602 { 603 syserr("errbody: null parent"); 604 putline(" ----- Original message lost -----\n", mci); 605 return; 606 } 607 608 /* 609 ** Output MIME header. 610 */ 611 612 if (e->e_msgboundary != NULL) 613 { 614 putline("This is a MIME-encapsulated message", mci); 615 putline("", mci); 616 (void) sprintf(buf, "--%s", e->e_msgboundary); 617 putline(buf, mci); 618 putline("", mci); 619 } 620 621 /* 622 ** Output introductory information. 623 */ 624 625 for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) 626 if (bitset(QBADADDR, q->q_flags)) 627 break; 628 if (q == NULL && 629 !bitset(EF_FATALERRS|EF_SENDRECEIPT, e->e_parent->e_flags)) 630 { 631 putline(" **********************************************", 632 mci); 633 putline(" ** THIS IS A WARNING MESSAGE ONLY **", 634 mci); 635 putline(" ** YOU DO NOT NEED TO RESEND YOUR MESSAGE **", 636 mci); 637 putline(" **********************************************", 638 mci); 639 putline("", mci); 640 } 641 sprintf(buf, "The original message was received at %s", 642 arpadate(ctime(&e->e_parent->e_ctime))); 643 putline(buf, mci); 644 expand("from \201_", buf, &buf[sizeof buf - 1], e->e_parent); 645 putline(buf, mci); 646 putline("", mci); 647 648 /* 649 ** Output error message header (if specified and available). 650 */ 651 652 if (ErrMsgFile != NULL && !bitset(EF_SENDRECEIPT, e->e_parent->e_flags)) 653 { 654 if (*ErrMsgFile == '/') 655 { 656 xfile = fopen(ErrMsgFile, "r"); 657 if (xfile != NULL) 658 { 659 while (fgets(buf, sizeof buf, xfile) != NULL) 660 { 661 expand(buf, buf, &buf[sizeof buf - 1], e); 662 putline(buf, mci); 663 } 664 (void) fclose(xfile); 665 putline("\n", mci); 666 } 667 } 668 else 669 { 670 expand(ErrMsgFile, buf, &buf[sizeof buf - 1], e); 671 putline(buf, mci); 672 putline("", mci); 673 } 674 } 675 676 /* 677 ** Output message introduction 678 */ 679 680 printheader = TRUE; 681 for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) 682 { 683 if (bitset(QBADADDR|QREPORT|QRELAYED, q->q_flags)) 684 { 685 if (printheader) 686 { 687 putline(" ----- The following addresses have delivery notifications -----", 688 mci); 689 printheader = FALSE; 690 } 691 strcpy(buf, q->q_paddr); 692 if (bitset(QBADADDR, q->q_flags)) 693 strcat(buf, " (unrecoverable error)"); 694 else if (bitset(QRELAYED, q->q_flags)) 695 strcat(buf, " (relayed to non-DSN-aware mailer)"); 696 else if (bitset(QSENT, q->q_flags)) 697 strcat(buf, " (successfully delivered)"); 698 else 699 strcat(buf, " (transient failure)"); 700 putline(buf, mci); 701 if (q->q_alias != NULL) 702 { 703 strcpy(buf, " (expanded from: "); 704 strcat(buf, q->q_alias->q_paddr); 705 strcat(buf, ")"); 706 putline(buf, mci); 707 } 708 } 709 } 710 if (!printheader) 711 putline("\n", mci); 712 713 /* 714 ** Output transcript of errors 715 */ 716 717 (void) fflush(stdout); 718 p = queuename(e->e_parent, 'x'); 719 if ((xfile = fopen(p, "r")) == NULL) 720 { 721 syserr("Cannot open %s", p); 722 putline(" ----- Transcript of session is unavailable -----\n", mci); 723 } 724 else 725 { 726 putline(" ----- Transcript of session follows -----\n", mci); 727 if (e->e_xfp != NULL) 728 (void) fflush(e->e_xfp); 729 while (fgets(buf, sizeof buf, xfile) != NULL) 730 putline(buf, mci); 731 (void) xfclose(xfile, "errbody xscript", p); 732 } 733 errno = 0; 734 735 /* 736 ** Output machine-readable version. 737 */ 738 739 if (e->e_msgboundary != NULL) 740 { 741 putline("", mci); 742 (void) sprintf(buf, "--%s", e->e_msgboundary); 743 putline(buf, mci); 744 putline("Content-Type: message/delivery-status", mci); 745 putline("", mci); 746 747 /* 748 ** Output per-message information. 749 */ 750 751 /* OMTS from MAIL FROM: line */ 752 if (e->e_parent->e_omts != NULL) 753 { 754 (void) sprintf(buf, "Original-MTS-Type: %s", 755 e->e_parent->e_omts); 756 putline(buf, mci); 757 } 758 759 /* original envelope id from MAIL FROM: line */ 760 if (e->e_parent->e_envid != NULL) 761 { 762 (void) sprintf(buf, "Original-Envelope-Id: %s", 763 e->e_parent->e_envid); 764 putline(buf, mci); 765 } 766 767 /* Final-MTS-Type: is required -- our type */ 768 putline("Final-MTS-Type: Internet", mci); 769 770 /* Final-MTA: seems silly -- this is in the From: line */ 771 (void) sprintf(buf, "Final-MTA: %s", MyHostName); 772 putline(buf, mci); 773 774 /* Received-From: shows where we got this message from */ 775 expand("Received-From: \201_", buf, &buf[sizeof buf - 1], 776 e->e_parent); 777 putline(buf, mci); 778 779 /* Arrival-Date: -- when it arrived here */ 780 (void) sprintf(buf, "Arrival-Date: %s", 781 arpadate(ctime(&e->e_parent->e_ctime))); 782 putline(buf, mci); 783 784 /* 785 ** Output per-address information. 786 */ 787 788 for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) 789 { 790 register ADDRESS *r; 791 792 if (!bitset(QBADADDR|QREPORT|QRELAYED, q->q_flags)) 793 continue; 794 putline("", mci); 795 796 /* Recipient: -- the name from the RCPT command */ 797 for (r = q; r->q_alias != NULL; r = r->q_alias) 798 continue; 799 (void) sprintf(buf, "Recipient: %s", r->q_paddr); 800 putline(buf, mci); 801 802 /* Action: -- what happened? */ 803 if (bitset(QBADADDR, q->q_flags)) 804 putline("Action: failed", mci); 805 else if (bitset(QQUEUEUP, q->q_flags)) 806 putline("Action: delayed", mci); 807 else if (bitset(QRELAYED, q->q_flags)) 808 putline("Action: relayed", mci); 809 else 810 putline("Action: delivered", mci); 811 812 /* Status: -- what _really_ happened? */ 813 strcpy(buf, "Status: "); 814 if (q->q_status != NULL) 815 strcat(buf, q->q_status); 816 else if (bitset(QBADADDR, q->q_flags)) 817 strcat(buf, "500"); 818 else if (bitset(QQUEUEUP, q->q_flags)) 819 strcat(buf, "400"); 820 else if (bitset(QRELAYED, q->q_flags)) 821 strcat(buf, "601"); 822 else 823 strcat(buf, "200"); 824 putline(buf, mci); 825 826 /* Date: -- fine granularity */ 827 if (q->q_statdate == (time_t) 0L) 828 q->q_statdate = curtime(); 829 (void) sprintf(buf, "Date: %s", 830 arpadate(ctime(&q->q_statdate))); 831 putline(buf, mci); 832 833 /* Final-Log-Id: -- why isn't this per-message? */ 834 (void) sprintf(buf, "Final-Log-Id: %s", e->e_id); 835 putline(buf, mci); 836 837 /* Expiry-Date: -- for delayed messages only */ 838 if (bitset(QQUEUEUP, q->q_flags) && 839 !bitset(QBADADDR, q->q_flags)) 840 { 841 time_t xdate; 842 843 xdate = e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass]; 844 sprintf(buf, "Expiry-Date: %s", 845 arpadate(ctime(&xdate))); 846 putline(buf, mci); 847 } 848 849 /* Original-Rcpt: -- passed from on high */ 850 if (q->q_orcpt != NULL) 851 { 852 (void) sprintf(buf, "Original-Rcpt: %s", 853 q->q_orcpt); 854 putline(buf, mci); 855 } 856 857 /* Final-Rcpt: -- if through alias */ 858 if (q->q_alias != NULL) 859 { 860 (void) sprintf(buf, "Final-Rcpt: %s", 861 q->q_paddr); 862 putline(buf, mci); 863 } 864 865 /* Final-Status: -- same as Status? XXX */ 866 867 /* Remote-MTS-Type: -- always INET? XXX */ 868 869 /* Remote-MTA: -- who was I talking to? */ 870 if (q->q_statmta != NULL) 871 { 872 (void) sprintf(buf, "Remote-MTA: %s", 873 q->q_statmta); 874 putline(buf, mci); 875 } 876 877 /* Remote-Rcpt: -- same as Final-Rcpt? XXX */ 878 879 /* Remote-Status: -- same as Final-Status? XXX */ 880 } 881 } 882 883 /* 884 ** Output text of original message 885 */ 886 887 if (bitset(EF_NORETURN, e->e_parent->e_flags)) 888 SendBody = FALSE; 889 if (!SendBody && e->e_msgboundary != NULL) 890 pflags |= PF_DELETEMIMEHDRS; 891 putline("", mci); 892 if (e->e_parent->e_df != NULL) 893 { 894 if (e->e_msgboundary == NULL) 895 { 896 if (SendBody) 897 putline(" ----- Original message follows -----\n", mci); 898 else 899 putline(" ----- Message header follows -----\n", mci); 900 (void) fflush(mci->mci_out); 901 } 902 else 903 { 904 (void) sprintf(buf, "--%s", e->e_msgboundary); 905 putline(buf, mci); 906 putline("Content-Type: message/rfc822", mci); 907 } 908 putline("", mci); 909 putheader(mci, e->e_parent->e_header, e->e_parent, pflags); 910 if (SendBody) 911 putbody(mci, e->e_parent, e->e_msgboundary, pflags); 912 else 913 { 914 putline("", mci); 915 putline(" ----- Message body suppressed -----", mci); 916 } 917 } 918 else 919 { 920 putline(" ----- No message was collected -----\n", mci); 921 } 922 923 if (e->e_msgboundary != NULL) 924 { 925 putline("", mci); 926 (void) sprintf(buf, "--%s--", e->e_msgboundary); 927 putline(buf, mci); 928 } 929 putline("", mci); 930 931 /* 932 ** Cleanup and exit 933 */ 934 935 if (errno != 0) 936 syserr("errbody: I/O error"); 937 } 938 /* 939 ** PRUNEROUTE -- prune an RFC-822 source route 940 ** 941 ** Trims down a source route to the last internet-registered hop. 942 ** This is encouraged by RFC 1123 section 5.3.3. 943 ** 944 ** Parameters: 945 ** addr -- the address 946 ** 947 ** Returns: 948 ** TRUE -- address was modified 949 ** FALSE -- address could not be pruned 950 ** 951 ** Side Effects: 952 ** modifies addr in-place 953 */ 954 955 pruneroute(addr) 956 char *addr; 957 { 958 #if NAMED_BIND 959 char *start, *at, *comma; 960 char c; 961 int rcode; 962 char hostbuf[BUFSIZ]; 963 char *mxhosts[MAXMXHOSTS + 1]; 964 965 /* check to see if this is really a route-addr */ 966 if (*addr != '<' || addr[1] != '@' || addr[strlen(addr) - 1] != '>') 967 return FALSE; 968 start = strchr(addr, ':'); 969 at = strrchr(addr, '@'); 970 if (start == NULL || at == NULL || at < start) 971 return FALSE; 972 973 /* slice off the angle brackets */ 974 strcpy(hostbuf, at + 1); 975 hostbuf[strlen(hostbuf) - 1] = '\0'; 976 977 while (start) 978 { 979 if (getmxrr(hostbuf, mxhosts, FALSE, &rcode) > 0) 980 { 981 strcpy(addr + 1, start + 1); 982 return TRUE; 983 } 984 c = *start; 985 *start = '\0'; 986 comma = strrchr(addr, ','); 987 if (comma && comma[1] == '@') 988 strcpy(hostbuf, comma + 2); 989 else 990 comma = 0; 991 *start = c; 992 start = comma; 993 } 994 #endif 995 return FALSE; 996 } 997