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[] = "@(#)envelope.c 8.60 (Berkeley) 04/07/95"; 11 #endif /* not lint */ 12 13 #include "sendmail.h" 14 15 /* 16 ** NEWENVELOPE -- allocate a new envelope 17 ** 18 ** Supports inheritance. 19 ** 20 ** Parameters: 21 ** e -- the new envelope to fill in. 22 ** parent -- the envelope to be the parent of e. 23 ** 24 ** Returns: 25 ** e. 26 ** 27 ** Side Effects: 28 ** none. 29 */ 30 31 ENVELOPE * 32 newenvelope(e, parent) 33 register ENVELOPE *e; 34 register ENVELOPE *parent; 35 { 36 extern putheader(), putbody(); 37 extern ENVELOPE BlankEnvelope; 38 39 if (e == parent && e->e_parent != NULL) 40 parent = e->e_parent; 41 clearenvelope(e, TRUE); 42 if (e == CurEnv) 43 bcopy((char *) &NullAddress, (char *) &e->e_from, sizeof e->e_from); 44 else 45 bcopy((char *) &CurEnv->e_from, (char *) &e->e_from, sizeof e->e_from); 46 e->e_parent = parent; 47 e->e_ctime = curtime(); 48 if (parent != NULL) 49 e->e_msgpriority = parent->e_msgsize; 50 e->e_puthdr = putheader; 51 e->e_putbody = putbody; 52 if (CurEnv->e_xfp != NULL) 53 (void) fflush(CurEnv->e_xfp); 54 55 return (e); 56 } 57 /* 58 ** DROPENVELOPE -- deallocate an envelope. 59 ** 60 ** Parameters: 61 ** e -- the envelope to deallocate. 62 ** 63 ** Returns: 64 ** none. 65 ** 66 ** Side Effects: 67 ** housekeeping necessary to dispose of an envelope. 68 ** Unlocks this queue file. 69 */ 70 71 void 72 dropenvelope(e) 73 register ENVELOPE *e; 74 { 75 bool queueit = FALSE; 76 bool failure_return = FALSE; 77 bool success_return = FALSE; 78 register ADDRESS *q; 79 char *id = e->e_id; 80 char buf[MAXLINE]; 81 82 if (tTd(50, 1)) 83 { 84 extern void printenvflags(); 85 86 printf("dropenvelope %x: id=", e); 87 xputs(e->e_id); 88 printf(", flags="); 89 printenvflags(e); 90 if (tTd(50, 10)) 91 { 92 printf("sendq="); 93 printaddr(e->e_sendqueue, TRUE); 94 } 95 } 96 97 /* we must have an id to remove disk files */ 98 if (id == NULL) 99 return; 100 101 #ifdef LOG 102 if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags)) 103 logsender(e, NULL); 104 if (LogLevel > 84) 105 syslog(LOG_DEBUG, "dropenvelope, id=%s, flags=0x%x, pid=%d", 106 id, e->e_flags, getpid()); 107 #endif /* LOG */ 108 e->e_flags &= ~EF_LOGSENDER; 109 110 /* post statistics */ 111 poststats(StatFile); 112 113 /* 114 ** Extract state information from dregs of send list. 115 */ 116 117 e->e_flags &= ~EF_QUEUERUN; 118 for (q = e->e_sendqueue; q != NULL; q = q->q_next) 119 { 120 if (bitset(QQUEUEUP, q->q_flags)) 121 queueit = TRUE; 122 123 /* see if a notification is needed */ 124 if (bitset(QBADADDR, q->q_flags) && 125 bitset(QPINGONFAILURE, q->q_flags)) 126 { 127 failure_return = TRUE; 128 if (q->q_owner == NULL && !emptyaddr(&e->e_from)) 129 (void) sendtolist(e->e_from.q_paddr, NULL, 130 &e->e_errorqueue, 0, e); 131 } 132 else if (bitset(QPINGONSUCCESS, q->q_flags) && 133 ((bitset(QSENT, q->q_flags) && 134 bitnset(M_LOCALMAILER, q->q_mailer->m_flags)) || 135 bitset(QRELAYED|QEXPLODED, q->q_flags))) 136 { 137 success_return = TRUE; 138 } 139 } 140 141 if (e->e_class < 0) 142 e->e_flags |= EF_NO_BODY_RETN; 143 144 /* 145 ** See if the message timed out. 146 */ 147 148 if (!queueit) 149 /* nothing to do */ ; 150 else if (curtime() > e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass]) 151 { 152 (void) sprintf(buf, "Cannot send message for %s", 153 pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE)); 154 if (e->e_message != NULL) 155 free(e->e_message); 156 e->e_message = newstr(buf); 157 message(buf); 158 e->e_flags |= EF_CLRQUEUE; 159 failure_return = TRUE; 160 fprintf(e->e_xfp, "Message could not be delivered for %s\n", 161 pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE)); 162 fprintf(e->e_xfp, "Message will be deleted from queue\n"); 163 for (q = e->e_sendqueue; q != NULL; q = q->q_next) 164 { 165 if (bitset(QQUEUEUP, q->q_flags)) 166 q->q_flags |= QBADADDR; 167 } 168 } 169 else if (TimeOuts.to_q_warning[e->e_timeoutclass] > 0 && 170 curtime() > e->e_ctime + TimeOuts.to_q_warning[e->e_timeoutclass]) 171 { 172 bool delay_return = FALSE; 173 174 for (q = e->e_sendqueue; q != NULL; q = q->q_next) 175 { 176 if (bitset(QQUEUEUP, q->q_flags) && 177 bitset(QPINGONDELAY, q->q_flags)) 178 { 179 q->q_flags |= QREPORT; 180 delay_return = TRUE; 181 } 182 } 183 if (delay_return && 184 !bitset(EF_WARNING|EF_RESPONSE, e->e_flags) && 185 e->e_class >= 0 && 186 strcmp(e->e_from.q_paddr, "<>") != 0 && 187 strncasecmp(e->e_from.q_paddr, "owner-", 6) != 0 && 188 (strlen(e->e_from.q_paddr) <= (SIZE_T) 8 || 189 strcasecmp(&e->e_from.q_paddr[strlen(e->e_from.q_paddr) - 8], "-request") != 0)) 190 { 191 (void) sprintf(buf, 192 "Warning: cannot send message for %s", 193 pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], FALSE)); 194 if (e->e_message != NULL) 195 free(e->e_message); 196 e->e_message = newstr(buf); 197 message(buf); 198 e->e_flags |= EF_WARNING; 199 failure_return = TRUE; 200 } 201 fprintf(e->e_xfp, 202 "Warning: message still undelivered after %s\n", 203 pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], FALSE)); 204 fprintf(e->e_xfp, "Will keep trying until message is %s old\n", 205 pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE)); 206 } 207 208 if (tTd(50, 2)) 209 printf("failure_return=%d success_return=%d queueit=%d\n", 210 failure_return, success_return, queueit); 211 212 /* 213 ** If we had some fatal error, but no addresses are marked as 214 ** bad, mark them _all_ as bad. 215 */ 216 217 if (bitset(EF_FATALERRS, e->e_flags) && !failure_return) 218 { 219 failure_return = TRUE; 220 for (q = e->e_sendqueue; q != NULL; q = q->q_next) 221 { 222 if (!bitset(QDONTSEND, q->q_flags)) 223 q->q_flags |= QBADADDR; 224 } 225 } 226 227 /* 228 ** Send back return receipts as requested. 229 */ 230 231 /* 232 if (e->e_receiptto != NULL && bitset(EF_SENDRECEIPT, e->e_flags) 233 && !bitset(PRIV_NORECEIPTS, PrivacyFlags)) 234 */ 235 if (e->e_receiptto == NULL) 236 e->e_receiptto = e->e_from.q_paddr; 237 if (success_return && !failure_return && 238 !bitset(PRIV_NORECEIPTS, PrivacyFlags) && 239 strcmp(e->e_receiptto, "<>") != 0) 240 { 241 auto ADDRESS *rlist = NULL; 242 243 e->e_flags |= EF_SENDRECEIPT; 244 (void) sendtolist(e->e_receiptto, NULLADDR, &rlist, 0, e); 245 (void) returntosender("Return receipt", rlist, FALSE, e); 246 } 247 e->e_flags &= ~EF_SENDRECEIPT; 248 249 /* 250 ** Arrange to send error messages if there are fatal errors. 251 */ 252 253 if (failure_return && e->e_errormode != EM_QUIET) 254 savemail(e, !bitset(EF_NO_BODY_RETN, e->e_flags)); 255 256 /* 257 ** Arrange to send warning messages to postmaster as requested. 258 */ 259 260 if (bitset(EF_PM_NOTIFY, e->e_flags) && PostMasterCopy != NULL && 261 !bitset(EF_RESPONSE, e->e_flags) && e->e_class >= 0) 262 { 263 auto ADDRESS *rlist = NULL; 264 265 (void) sendtolist(PostMasterCopy, NULLADDR, &rlist, 0, e); 266 (void) returntosender(e->e_message, rlist, FALSE, e); 267 } 268 269 /* 270 ** Instantiate or deinstantiate the queue. 271 */ 272 273 if ((!queueit && !bitset(EF_KEEPQUEUE, e->e_flags)) || 274 bitset(EF_CLRQUEUE, e->e_flags)) 275 { 276 if (tTd(50, 1)) 277 { 278 extern void printenvflags(); 279 280 printf("\n===== Dropping [dq]f%s... queueit=%d, e_flags=", 281 e->e_id, queueit); 282 printenvflags(e); 283 } 284 xunlink(queuename(e, 'd')); 285 xunlink(queuename(e, 'q')); 286 287 #ifdef LOG 288 if (LogLevel > 10) 289 syslog(LOG_INFO, "%s: done", id); 290 #endif 291 } 292 else if (queueit || !bitset(EF_INQUEUE, e->e_flags)) 293 { 294 #ifdef QUEUE 295 queueup(e, bitset(EF_KEEPQUEUE, e->e_flags), FALSE); 296 #else /* QUEUE */ 297 syserr("554 dropenvelope: queueup"); 298 #endif /* QUEUE */ 299 } 300 301 /* now unlock the job */ 302 closexscript(e); 303 unlockqueue(e); 304 305 /* make sure that this envelope is marked unused */ 306 if (e->e_dfp != NULL) 307 (void) xfclose(e->e_dfp, "dropenvelope df", e->e_id); 308 e->e_dfp = NULL; 309 e->e_id = NULL; 310 e->e_flags &= ~EF_HAS_DF; 311 } 312 /* 313 ** CLEARENVELOPE -- clear an envelope without unlocking 314 ** 315 ** This is normally used by a child process to get a clean 316 ** envelope without disturbing the parent. 317 ** 318 ** Parameters: 319 ** e -- the envelope to clear. 320 ** fullclear - if set, the current envelope is total 321 ** garbage and should be ignored; otherwise, 322 ** release any resources it may indicate. 323 ** 324 ** Returns: 325 ** none. 326 ** 327 ** Side Effects: 328 ** Closes files associated with the envelope. 329 ** Marks the envelope as unallocated. 330 */ 331 332 void 333 clearenvelope(e, fullclear) 334 register ENVELOPE *e; 335 bool fullclear; 336 { 337 register HDR *bh; 338 register HDR **nhp; 339 extern ENVELOPE BlankEnvelope; 340 341 if (!fullclear) 342 { 343 /* clear out any file information */ 344 if (e->e_xfp != NULL) 345 (void) xfclose(e->e_xfp, "clearenvelope xfp", e->e_id); 346 if (e->e_dfp != NULL) 347 (void) xfclose(e->e_dfp, "clearenvelope dfp", e->e_id); 348 e->e_xfp = e->e_dfp = NULL; 349 } 350 351 /* now clear out the data */ 352 STRUCTCOPY(BlankEnvelope, *e); 353 if (Verbose) 354 e->e_sendmode = SM_DELIVER; 355 bh = BlankEnvelope.e_header; 356 nhp = &e->e_header; 357 while (bh != NULL) 358 { 359 *nhp = (HDR *) xalloc(sizeof *bh); 360 bcopy((char *) bh, (char *) *nhp, sizeof *bh); 361 bh = bh->h_link; 362 nhp = &(*nhp)->h_link; 363 } 364 } 365 /* 366 ** INITSYS -- initialize instantiation of system 367 ** 368 ** In Daemon mode, this is done in the child. 369 ** 370 ** Parameters: 371 ** none. 372 ** 373 ** Returns: 374 ** none. 375 ** 376 ** Side Effects: 377 ** Initializes the system macros, some global variables, 378 ** etc. In particular, the current time in various 379 ** forms is set. 380 */ 381 382 void 383 initsys(e) 384 register ENVELOPE *e; 385 { 386 char cbuf[5]; /* holds hop count */ 387 char pbuf[10]; /* holds pid */ 388 #ifdef TTYNAME 389 static char ybuf[60]; /* holds tty id */ 390 register char *p; 391 #endif /* TTYNAME */ 392 extern char *ttyname(); 393 extern void settime(); 394 extern char Version[]; 395 396 /* 397 ** Give this envelope a reality. 398 ** I.e., an id, a transcript, and a creation time. 399 */ 400 401 openxscript(e); 402 e->e_ctime = curtime(); 403 404 /* 405 ** Set OutChannel to something useful if stdout isn't it. 406 ** This arranges that any extra stuff the mailer produces 407 ** gets sent back to the user on error (because it is 408 ** tucked away in the transcript). 409 */ 410 411 if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) && 412 e->e_xfp != NULL) 413 OutChannel = e->e_xfp; 414 415 /* 416 ** Set up some basic system macros. 417 */ 418 419 /* process id */ 420 (void) sprintf(pbuf, "%d", getpid()); 421 define('p', newstr(pbuf), e); 422 423 /* hop count */ 424 (void) sprintf(cbuf, "%d", e->e_hopcount); 425 define('c', newstr(cbuf), e); 426 427 /* time as integer, unix time, arpa time */ 428 settime(e); 429 430 #ifdef TTYNAME 431 /* tty name */ 432 if (macvalue('y', e) == NULL) 433 { 434 p = ttyname(2); 435 if (p != NULL) 436 { 437 if (strrchr(p, '/') != NULL) 438 p = strrchr(p, '/') + 1; 439 (void) strcpy(ybuf, p); 440 define('y', ybuf, e); 441 } 442 } 443 #endif /* TTYNAME */ 444 } 445 /* 446 ** SETTIME -- set the current time. 447 ** 448 ** Parameters: 449 ** none. 450 ** 451 ** Returns: 452 ** none. 453 ** 454 ** Side Effects: 455 ** Sets the various time macros -- $a, $b, $d, $t. 456 */ 457 458 void 459 settime(e) 460 register ENVELOPE *e; 461 { 462 register char *p; 463 auto time_t now; 464 char tbuf[20]; /* holds "current" time */ 465 char dbuf[30]; /* holds ctime(tbuf) */ 466 register struct tm *tm; 467 extern char *arpadate(); 468 extern struct tm *gmtime(); 469 470 now = curtime(); 471 tm = gmtime(&now); 472 (void) sprintf(tbuf, "%04d%02d%02d%02d%02d", tm->tm_year + 1900, 473 tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min); 474 define('t', newstr(tbuf), e); 475 (void) strcpy(dbuf, ctime(&now)); 476 p = strchr(dbuf, '\n'); 477 if (p != NULL) 478 *p = '\0'; 479 define('d', newstr(dbuf), e); 480 p = arpadate(dbuf); 481 p = newstr(p); 482 if (macvalue('a', e) == NULL) 483 define('a', p, e); 484 define('b', p, e); 485 } 486 /* 487 ** OPENXSCRIPT -- Open transcript file 488 ** 489 ** Creates a transcript file for possible eventual mailing or 490 ** sending back. 491 ** 492 ** Parameters: 493 ** e -- the envelope to create the transcript in/for. 494 ** 495 ** Returns: 496 ** none 497 ** 498 ** Side Effects: 499 ** Creates the transcript file. 500 */ 501 502 #ifndef O_APPEND 503 #define O_APPEND 0 504 #endif 505 506 void 507 openxscript(e) 508 register ENVELOPE *e; 509 { 510 register char *p; 511 int fd; 512 513 if (e->e_xfp != NULL) 514 return; 515 p = queuename(e, 'x'); 516 fd = open(p, O_WRONLY|O_CREAT|O_APPEND, 0644); 517 if (fd < 0) 518 { 519 syserr("Can't create transcript file %s", p); 520 fd = open("/dev/null", O_WRONLY, 0644); 521 if (fd < 0) 522 syserr("!Can't open /dev/null"); 523 } 524 e->e_xfp = fdopen(fd, "a"); 525 if (e->e_xfp == NULL) 526 syserr("!Can't create transcript stream %s", p); 527 #ifdef HASSETVBUF 528 setvbuf(e->e_xfp, NULL, _IOLBF, 0); 529 #else 530 setlinebuf(e->e_xfp); 531 #endif 532 if (tTd(46, 9)) 533 { 534 printf("openxscript(%s):\n ", p); 535 dumpfd(fileno(e->e_xfp), TRUE, FALSE); 536 } 537 } 538 /* 539 ** CLOSEXSCRIPT -- close the transcript file. 540 ** 541 ** Parameters: 542 ** e -- the envelope containing the transcript to close. 543 ** 544 ** Returns: 545 ** none. 546 ** 547 ** Side Effects: 548 ** none. 549 */ 550 551 void 552 closexscript(e) 553 register ENVELOPE *e; 554 { 555 if (e->e_xfp == NULL) 556 return; 557 (void) xfclose(e->e_xfp, "closexscript", e->e_id); 558 e->e_xfp = NULL; 559 } 560 /* 561 ** SETSENDER -- set the person who this message is from 562 ** 563 ** Under certain circumstances allow the user to say who 564 ** s/he is (using -f or -r). These are: 565 ** 1. The user's uid is zero (root). 566 ** 2. The user's login name is in an approved list (typically 567 ** from a network server). 568 ** 3. The address the user is trying to claim has a 569 ** "!" character in it (since #2 doesn't do it for 570 ** us if we are dialing out for UUCP). 571 ** A better check to replace #3 would be if the 572 ** effective uid is "UUCP" -- this would require me 573 ** to rewrite getpwent to "grab" uucp as it went by, 574 ** make getname more nasty, do another passwd file 575 ** scan, or compile the UID of "UUCP" into the code, 576 ** all of which are reprehensible. 577 ** 578 ** Assuming all of these fail, we figure out something 579 ** ourselves. 580 ** 581 ** Parameters: 582 ** from -- the person we would like to believe this message 583 ** is from, as specified on the command line. 584 ** e -- the envelope in which we would like the sender set. 585 ** delimptr -- if non-NULL, set to the location of the 586 ** trailing delimiter. 587 ** internal -- set if this address is coming from an internal 588 ** source such as an owner alias. 589 ** 590 ** Returns: 591 ** none. 592 ** 593 ** Side Effects: 594 ** sets sendmail's notion of who the from person is. 595 */ 596 597 void 598 setsender(from, e, delimptr, internal) 599 char *from; 600 register ENVELOPE *e; 601 char **delimptr; 602 bool internal; 603 { 604 register char **pvp; 605 char *realname = NULL; 606 register struct passwd *pw; 607 char delimchar; 608 char *bp; 609 char buf[MAXNAME + 2]; 610 char pvpbuf[PSBUFSIZE]; 611 extern char *FullName; 612 613 if (tTd(45, 1)) 614 printf("setsender(%s)\n", from == NULL ? "" : from); 615 616 /* 617 ** Figure out the real user executing us. 618 ** Username can return errno != 0 on non-errors. 619 */ 620 621 if (bitset(EF_QUEUERUN, e->e_flags) || OpMode == MD_SMTP || 622 OpMode == MD_ARPAFTP || OpMode == MD_DAEMON) 623 realname = from; 624 if (realname == NULL || realname[0] == '\0') 625 realname = username(); 626 627 if (ConfigLevel < 2) 628 SuprErrs = TRUE; 629 630 delimchar = internal ? '\0' : ' '; 631 e->e_from.q_flags = QBADADDR; 632 if (from == NULL || 633 parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR, 634 delimchar, delimptr, e) == NULL || 635 bitset(QBADADDR, e->e_from.q_flags) || 636 e->e_from.q_mailer == ProgMailer || 637 e->e_from.q_mailer == FileMailer || 638 e->e_from.q_mailer == InclMailer) 639 { 640 /* log garbage addresses for traceback */ 641 # ifdef LOG 642 if (from != NULL && LogLevel > 2) 643 { 644 char *p; 645 char ebuf[MAXNAME * 2 + 2]; 646 647 p = macvalue('_', e); 648 if (p == NULL) 649 { 650 char *host = RealHostName; 651 if (host == NULL) 652 host = MyHostName; 653 (void) sprintf(ebuf, "%s@%s", realname, host); 654 p = ebuf; 655 } 656 syslog(LOG_NOTICE, 657 "setsender: %s: invalid or unparseable, received from %s", 658 shortenstring(from, 83), p); 659 } 660 # endif /* LOG */ 661 if (from != NULL) 662 { 663 if (!bitset(QBADADDR, e->e_from.q_flags)) 664 { 665 /* it was a bogus mailer in the from addr */ 666 usrerr("553 Invalid sender address"); 667 } 668 SuprErrs = TRUE; 669 } 670 if (from == realname || 671 parseaddr(from = newstr(realname), &e->e_from, 672 RF_COPYALL|RF_SENDERADDR, ' ', NULL, e) == NULL) 673 { 674 char nbuf[100]; 675 676 SuprErrs = TRUE; 677 expand("\201n", nbuf, sizeof nbuf, e); 678 if (parseaddr(from = newstr(nbuf), &e->e_from, 679 RF_COPYALL, ' ', NULL, e) == NULL && 680 parseaddr(from = "postmaster", &e->e_from, 681 RF_COPYALL, ' ', NULL, e) == NULL) 682 syserr("553 setsender: can't even parse postmaster!"); 683 } 684 } 685 else 686 FromFlag = TRUE; 687 e->e_from.q_flags |= QDONTSEND; 688 if (tTd(45, 5)) 689 { 690 printf("setsender: QDONTSEND "); 691 printaddr(&e->e_from, FALSE); 692 } 693 SuprErrs = FALSE; 694 695 # ifdef USERDB 696 if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags)) 697 { 698 register char *p; 699 extern char *udbsender(); 700 701 p = udbsender(e->e_from.q_user); 702 if (p != NULL) 703 from = p; 704 } 705 # endif /* USERDB */ 706 707 if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) 708 { 709 if (!internal) 710 { 711 /* if the user already given fullname don't redefine */ 712 if (FullName == NULL) 713 FullName = macvalue('x', e); 714 if (FullName != NULL && FullName[0] == '\0') 715 FullName = NULL; 716 } 717 718 if ((pw = sm_getpwnam(e->e_from.q_user)) != NULL) 719 { 720 /* 721 ** Process passwd file entry. 722 */ 723 724 /* extract home directory */ 725 if (strcmp(pw->pw_dir, "/") == 0) 726 e->e_from.q_home = newstr(""); 727 else 728 e->e_from.q_home = newstr(pw->pw_dir); 729 define('z', e->e_from.q_home, e); 730 731 /* extract user and group id */ 732 e->e_from.q_uid = pw->pw_uid; 733 e->e_from.q_gid = pw->pw_gid; 734 e->e_from.q_flags |= QGOODUID; 735 736 /* extract full name from passwd file */ 737 if (FullName == NULL && pw->pw_gecos != NULL && 738 strcmp(pw->pw_name, e->e_from.q_user) == 0 && 739 !internal) 740 { 741 buildfname(pw->pw_gecos, e->e_from.q_user, buf); 742 if (buf[0] != '\0') 743 FullName = newstr(buf); 744 } 745 } 746 if (FullName != NULL && !internal) 747 define('x', FullName, e); 748 } 749 else if (!internal && OpMode != MD_DAEMON) 750 { 751 if (e->e_from.q_home == NULL) 752 { 753 e->e_from.q_home = getenv("HOME"); 754 if (e->e_from.q_home != NULL && 755 strcmp(e->e_from.q_home, "/") == 0) 756 e->e_from.q_home++; 757 } 758 e->e_from.q_uid = RealUid; 759 e->e_from.q_gid = RealGid; 760 e->e_from.q_flags |= QGOODUID; 761 } 762 763 /* 764 ** Rewrite the from person to dispose of possible implicit 765 ** links in the net. 766 */ 767 768 pvp = prescan(from, delimchar, pvpbuf, sizeof pvpbuf, NULL, NULL); 769 if (pvp == NULL) 770 { 771 /* don't need to give error -- prescan did that already */ 772 # ifdef LOG 773 if (LogLevel > 2) 774 syslog(LOG_NOTICE, "cannot prescan from (%s)", from); 775 # endif 776 finis(); 777 } 778 /* 779 (void) rewrite(pvp, 3, 0, e); 780 (void) rewrite(pvp, 1, 0, e); 781 (void) rewrite(pvp, 4, 0, e); 782 */ 783 bp = buf + 1; 784 cataddr(pvp, NULL, bp, sizeof buf - 2, '\0'); 785 if (*bp == '@' && !bitnset(M_NOBRACKET, e->e_from.q_mailer->m_flags)) 786 { 787 /* heuristic: route-addr: add angle brackets */ 788 strcat(bp, ">"); 789 *--bp = '<'; 790 } 791 e->e_sender = newstr(bp); 792 define('f', e->e_sender, e); 793 794 /* save the domain spec if this mailer wants it */ 795 if (e->e_from.q_mailer != NULL && 796 bitnset(M_CANONICAL, e->e_from.q_mailer->m_flags)) 797 { 798 char **lastat; 799 extern char **copyplist(); 800 801 /* get rid of any pesky angle brackets */ 802 (void) rewrite(pvp, 3, 0, e); 803 (void) rewrite(pvp, 1, 0, e); 804 (void) rewrite(pvp, 4, 0, e); 805 806 /* strip off to the last "@" sign */ 807 for (lastat = NULL; *pvp != NULL; pvp++) 808 if (strcmp(*pvp, "@") == 0) 809 lastat = pvp; 810 if (lastat != NULL) 811 { 812 e->e_fromdomain = copyplist(lastat, TRUE); 813 if (tTd(45, 3)) 814 { 815 printf("Saving from domain: "); 816 printav(e->e_fromdomain); 817 } 818 } 819 } 820 } 821 /* 822 ** PRINTENVFLAGS -- print envelope flags for debugging 823 ** 824 ** Parameters: 825 ** e -- the envelope with the flags to be printed. 826 ** 827 ** Returns: 828 ** none. 829 */ 830 831 struct eflags 832 { 833 char *ef_name; 834 u_long ef_bit; 835 }; 836 837 struct eflags EnvelopeFlags[] = 838 { 839 "OLDSTYLE", EF_OLDSTYLE, 840 "INQUEUE", EF_INQUEUE, 841 "NO_BODY_RETN", EF_NO_BODY_RETN, 842 "CLRQUEUE", EF_CLRQUEUE, 843 "SENDRECEIPT", EF_SENDRECEIPT, 844 "FATALERRS", EF_FATALERRS, 845 "KEEPQUEUE", EF_KEEPQUEUE, 846 "RESPONSE", EF_RESPONSE, 847 "RESENT", EF_RESENT, 848 "VRFYONLY", EF_VRFYONLY, 849 "WARNING", EF_WARNING, 850 "QUEUERUN", EF_QUEUERUN, 851 "GLOBALERRS", EF_GLOBALERRS, 852 "PM_NOTIFY", EF_PM_NOTIFY, 853 "METOO", EF_METOO, 854 "LOGSENDER", EF_LOGSENDER, 855 "NORECEIPT", EF_NORECEIPT, 856 "HAS8BIT", EF_HAS8BIT, 857 "NL_NOT_EOL", EF_NL_NOT_EOL, 858 "CRLF_NOT_EOL", EF_CRLF_NOT_EOL, 859 "RET_PARAM", EF_RET_PARAM, 860 "HAS_DF", EF_HAS_DF, 861 NULL 862 }; 863 864 void 865 printenvflags(e) 866 register ENVELOPE *e; 867 { 868 register struct eflags *ef; 869 bool first = TRUE; 870 871 printf("%lx", e->e_flags); 872 for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++) 873 { 874 if (!bitset(ef->ef_bit, e->e_flags)) 875 continue; 876 if (first) 877 printf("<%s", ef->ef_name); 878 else 879 printf(",%s", ef->ef_name); 880 first = FALSE; 881 } 882 if (!first) 883 printf(">\n"); 884 } 885