1 /* 2 * Copyright (c) 1983, 1995 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 8.62 (Berkeley) 04/21/95"; 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 ((failure_return || bitset(EF_PM_NOTIFY, e->e_flags)) && 261 PostMasterCopy != NULL && 262 !bitset(EF_RESPONSE, e->e_flags) && e->e_class >= 0) 263 { 264 auto ADDRESS *rlist = NULL; 265 266 (void) sendtolist(PostMasterCopy, NULLADDR, &rlist, 0, e); 267 (void) returntosender(e->e_message, rlist, FALSE, e); 268 } 269 270 /* 271 ** Instantiate or deinstantiate the queue. 272 */ 273 274 if ((!queueit && !bitset(EF_KEEPQUEUE, e->e_flags)) || 275 bitset(EF_CLRQUEUE, e->e_flags)) 276 { 277 if (tTd(50, 1)) 278 { 279 extern void printenvflags(); 280 281 printf("\n===== Dropping [dq]f%s... queueit=%d, e_flags=", 282 e->e_id, queueit); 283 printenvflags(e); 284 } 285 xunlink(queuename(e, 'd')); 286 xunlink(queuename(e, 'q')); 287 288 #ifdef LOG 289 if (LogLevel > 10) 290 syslog(LOG_INFO, "%s: done", id); 291 #endif 292 } 293 else if (queueit || !bitset(EF_INQUEUE, e->e_flags)) 294 { 295 #ifdef QUEUE 296 queueup(e, bitset(EF_KEEPQUEUE, e->e_flags), FALSE); 297 #else /* QUEUE */ 298 syserr("554 dropenvelope: queueup"); 299 #endif /* QUEUE */ 300 } 301 302 /* now unlock the job */ 303 closexscript(e); 304 unlockqueue(e); 305 306 /* make sure that this envelope is marked unused */ 307 if (e->e_dfp != NULL) 308 (void) xfclose(e->e_dfp, "dropenvelope df", e->e_id); 309 e->e_dfp = NULL; 310 e->e_id = NULL; 311 e->e_flags &= ~EF_HAS_DF; 312 } 313 /* 314 ** CLEARENVELOPE -- clear an envelope without unlocking 315 ** 316 ** This is normally used by a child process to get a clean 317 ** envelope without disturbing the parent. 318 ** 319 ** Parameters: 320 ** e -- the envelope to clear. 321 ** fullclear - if set, the current envelope is total 322 ** garbage and should be ignored; otherwise, 323 ** release any resources it may indicate. 324 ** 325 ** Returns: 326 ** none. 327 ** 328 ** Side Effects: 329 ** Closes files associated with the envelope. 330 ** Marks the envelope as unallocated. 331 */ 332 333 void 334 clearenvelope(e, fullclear) 335 register ENVELOPE *e; 336 bool fullclear; 337 { 338 register HDR *bh; 339 register HDR **nhp; 340 extern ENVELOPE BlankEnvelope; 341 342 if (!fullclear) 343 { 344 /* clear out any file information */ 345 if (e->e_xfp != NULL) 346 (void) xfclose(e->e_xfp, "clearenvelope xfp", e->e_id); 347 if (e->e_dfp != NULL) 348 (void) xfclose(e->e_dfp, "clearenvelope dfp", e->e_id); 349 e->e_xfp = e->e_dfp = NULL; 350 } 351 352 /* now clear out the data */ 353 STRUCTCOPY(BlankEnvelope, *e); 354 if (Verbose) 355 e->e_sendmode = SM_DELIVER; 356 bh = BlankEnvelope.e_header; 357 nhp = &e->e_header; 358 while (bh != NULL) 359 { 360 *nhp = (HDR *) xalloc(sizeof *bh); 361 bcopy((char *) bh, (char *) *nhp, sizeof *bh); 362 bh = bh->h_link; 363 nhp = &(*nhp)->h_link; 364 } 365 } 366 /* 367 ** INITSYS -- initialize instantiation of system 368 ** 369 ** In Daemon mode, this is done in the child. 370 ** 371 ** Parameters: 372 ** none. 373 ** 374 ** Returns: 375 ** none. 376 ** 377 ** Side Effects: 378 ** Initializes the system macros, some global variables, 379 ** etc. In particular, the current time in various 380 ** forms is set. 381 */ 382 383 void 384 initsys(e) 385 register ENVELOPE *e; 386 { 387 char cbuf[5]; /* holds hop count */ 388 char pbuf[10]; /* holds pid */ 389 #ifdef TTYNAME 390 static char ybuf[60]; /* holds tty id */ 391 register char *p; 392 #endif /* TTYNAME */ 393 extern char *ttyname(); 394 extern void settime(); 395 extern char Version[]; 396 397 /* 398 ** Give this envelope a reality. 399 ** I.e., an id, a transcript, and a creation time. 400 */ 401 402 openxscript(e); 403 e->e_ctime = curtime(); 404 405 /* 406 ** Set OutChannel to something useful if stdout isn't it. 407 ** This arranges that any extra stuff the mailer produces 408 ** gets sent back to the user on error (because it is 409 ** tucked away in the transcript). 410 */ 411 412 if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) && 413 e->e_xfp != NULL) 414 OutChannel = e->e_xfp; 415 416 /* 417 ** Set up some basic system macros. 418 */ 419 420 /* process id */ 421 (void) sprintf(pbuf, "%d", getpid()); 422 define('p', newstr(pbuf), e); 423 424 /* hop count */ 425 (void) sprintf(cbuf, "%d", e->e_hopcount); 426 define('c', newstr(cbuf), e); 427 428 /* time as integer, unix time, arpa time */ 429 settime(e); 430 431 #ifdef TTYNAME 432 /* tty name */ 433 if (macvalue('y', e) == NULL) 434 { 435 p = ttyname(2); 436 if (p != NULL) 437 { 438 if (strrchr(p, '/') != NULL) 439 p = strrchr(p, '/') + 1; 440 (void) strcpy(ybuf, p); 441 define('y', ybuf, e); 442 } 443 } 444 #endif /* TTYNAME */ 445 } 446 /* 447 ** SETTIME -- set the current time. 448 ** 449 ** Parameters: 450 ** none. 451 ** 452 ** Returns: 453 ** none. 454 ** 455 ** Side Effects: 456 ** Sets the various time macros -- $a, $b, $d, $t. 457 */ 458 459 void 460 settime(e) 461 register ENVELOPE *e; 462 { 463 register char *p; 464 auto time_t now; 465 char tbuf[20]; /* holds "current" time */ 466 char dbuf[30]; /* holds ctime(tbuf) */ 467 register struct tm *tm; 468 extern char *arpadate(); 469 extern struct tm *gmtime(); 470 471 now = curtime(); 472 tm = gmtime(&now); 473 (void) sprintf(tbuf, "%04d%02d%02d%02d%02d", tm->tm_year + 1900, 474 tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min); 475 define('t', newstr(tbuf), e); 476 (void) strcpy(dbuf, ctime(&now)); 477 p = strchr(dbuf, '\n'); 478 if (p != NULL) 479 *p = '\0'; 480 define('d', newstr(dbuf), e); 481 p = arpadate(dbuf); 482 p = newstr(p); 483 if (macvalue('a', e) == NULL) 484 define('a', p, e); 485 define('b', p, e); 486 } 487 /* 488 ** OPENXSCRIPT -- Open transcript file 489 ** 490 ** Creates a transcript file for possible eventual mailing or 491 ** sending back. 492 ** 493 ** Parameters: 494 ** e -- the envelope to create the transcript in/for. 495 ** 496 ** Returns: 497 ** none 498 ** 499 ** Side Effects: 500 ** Creates the transcript file. 501 */ 502 503 #ifndef O_APPEND 504 #define O_APPEND 0 505 #endif 506 507 void 508 openxscript(e) 509 register ENVELOPE *e; 510 { 511 register char *p; 512 int fd; 513 514 if (e->e_xfp != NULL) 515 return; 516 p = queuename(e, 'x'); 517 fd = open(p, O_WRONLY|O_CREAT|O_APPEND, 0644); 518 if (fd < 0) 519 { 520 syserr("Can't create transcript file %s", p); 521 fd = open("/dev/null", O_WRONLY, 0644); 522 if (fd < 0) 523 syserr("!Can't open /dev/null"); 524 } 525 e->e_xfp = fdopen(fd, "a"); 526 if (e->e_xfp == NULL) 527 syserr("!Can't create transcript stream %s", p); 528 #ifdef HASSETVBUF 529 setvbuf(e->e_xfp, NULL, _IOLBF, 0); 530 #else 531 setlinebuf(e->e_xfp); 532 #endif 533 if (tTd(46, 9)) 534 { 535 printf("openxscript(%s):\n ", p); 536 dumpfd(fileno(e->e_xfp), TRUE, FALSE); 537 } 538 } 539 /* 540 ** CLOSEXSCRIPT -- close the transcript file. 541 ** 542 ** Parameters: 543 ** e -- the envelope containing the transcript to close. 544 ** 545 ** Returns: 546 ** none. 547 ** 548 ** Side Effects: 549 ** none. 550 */ 551 552 void 553 closexscript(e) 554 register ENVELOPE *e; 555 { 556 if (e->e_xfp == NULL) 557 return; 558 (void) xfclose(e->e_xfp, "closexscript", e->e_id); 559 e->e_xfp = NULL; 560 } 561 /* 562 ** SETSENDER -- set the person who this message is from 563 ** 564 ** Under certain circumstances allow the user to say who 565 ** s/he is (using -f or -r). These are: 566 ** 1. The user's uid is zero (root). 567 ** 2. The user's login name is in an approved list (typically 568 ** from a network server). 569 ** 3. The address the user is trying to claim has a 570 ** "!" character in it (since #2 doesn't do it for 571 ** us if we are dialing out for UUCP). 572 ** A better check to replace #3 would be if the 573 ** effective uid is "UUCP" -- this would require me 574 ** to rewrite getpwent to "grab" uucp as it went by, 575 ** make getname more nasty, do another passwd file 576 ** scan, or compile the UID of "UUCP" into the code, 577 ** all of which are reprehensible. 578 ** 579 ** Assuming all of these fail, we figure out something 580 ** ourselves. 581 ** 582 ** Parameters: 583 ** from -- the person we would like to believe this message 584 ** is from, as specified on the command line. 585 ** e -- the envelope in which we would like the sender set. 586 ** delimptr -- if non-NULL, set to the location of the 587 ** trailing delimiter. 588 ** internal -- set if this address is coming from an internal 589 ** source such as an owner alias. 590 ** 591 ** Returns: 592 ** none. 593 ** 594 ** Side Effects: 595 ** sets sendmail's notion of who the from person is. 596 */ 597 598 void 599 setsender(from, e, delimptr, internal) 600 char *from; 601 register ENVELOPE *e; 602 char **delimptr; 603 bool internal; 604 { 605 register char **pvp; 606 char *realname = NULL; 607 register struct passwd *pw; 608 char delimchar; 609 char *bp; 610 char buf[MAXNAME + 2]; 611 char pvpbuf[PSBUFSIZE]; 612 extern char *FullName; 613 614 if (tTd(45, 1)) 615 printf("setsender(%s)\n", from == NULL ? "" : from); 616 617 /* 618 ** Figure out the real user executing us. 619 ** Username can return errno != 0 on non-errors. 620 */ 621 622 if (bitset(EF_QUEUERUN, e->e_flags) || OpMode == MD_SMTP || 623 OpMode == MD_ARPAFTP || OpMode == MD_DAEMON) 624 realname = from; 625 if (realname == NULL || realname[0] == '\0') 626 realname = username(); 627 628 if (ConfigLevel < 2) 629 SuprErrs = TRUE; 630 631 delimchar = internal ? '\0' : ' '; 632 e->e_from.q_flags = QBADADDR; 633 if (from == NULL || 634 parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR, 635 delimchar, delimptr, e) == NULL || 636 bitset(QBADADDR, e->e_from.q_flags) || 637 e->e_from.q_mailer == ProgMailer || 638 e->e_from.q_mailer == FileMailer || 639 e->e_from.q_mailer == InclMailer) 640 { 641 /* log garbage addresses for traceback */ 642 # ifdef LOG 643 if (from != NULL && LogLevel > 2) 644 { 645 char *p; 646 char ebuf[MAXNAME * 2 + 2]; 647 648 p = macvalue('_', e); 649 if (p == NULL) 650 { 651 char *host = RealHostName; 652 if (host == NULL) 653 host = MyHostName; 654 (void) sprintf(ebuf, "%s@%s", realname, host); 655 p = ebuf; 656 } 657 syslog(LOG_NOTICE, 658 "setsender: %s: invalid or unparseable, received from %s", 659 shortenstring(from, 83), p); 660 } 661 # endif /* LOG */ 662 if (from != NULL) 663 { 664 if (!bitset(QBADADDR, e->e_from.q_flags)) 665 { 666 /* it was a bogus mailer in the from addr */ 667 usrerr("553 Invalid sender address"); 668 } 669 SuprErrs = TRUE; 670 } 671 if (from == realname || 672 parseaddr(from = newstr(realname), &e->e_from, 673 RF_COPYALL|RF_SENDERADDR, ' ', NULL, e) == NULL) 674 { 675 char nbuf[100]; 676 677 SuprErrs = TRUE; 678 expand("\201n", nbuf, sizeof nbuf, e); 679 if (parseaddr(from = newstr(nbuf), &e->e_from, 680 RF_COPYALL, ' ', NULL, e) == NULL && 681 parseaddr(from = "postmaster", &e->e_from, 682 RF_COPYALL, ' ', NULL, e) == NULL) 683 syserr("553 setsender: can't even parse postmaster!"); 684 } 685 } 686 else 687 FromFlag = TRUE; 688 e->e_from.q_flags |= QDONTSEND; 689 if (tTd(45, 5)) 690 { 691 printf("setsender: QDONTSEND "); 692 printaddr(&e->e_from, FALSE); 693 } 694 SuprErrs = FALSE; 695 696 # ifdef USERDB 697 if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags)) 698 { 699 register char *p; 700 extern char *udbsender(); 701 702 p = udbsender(e->e_from.q_user); 703 if (p != NULL) 704 from = p; 705 } 706 # endif /* USERDB */ 707 708 if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) 709 { 710 if (!internal) 711 { 712 /* if the user already given fullname don't redefine */ 713 if (FullName == NULL) 714 FullName = macvalue('x', e); 715 if (FullName != NULL && FullName[0] == '\0') 716 FullName = NULL; 717 } 718 719 if ((pw = sm_getpwnam(e->e_from.q_user)) != NULL) 720 { 721 /* 722 ** Process passwd file entry. 723 */ 724 725 /* extract home directory */ 726 if (strcmp(pw->pw_dir, "/") == 0) 727 e->e_from.q_home = newstr(""); 728 else 729 e->e_from.q_home = newstr(pw->pw_dir); 730 define('z', e->e_from.q_home, e); 731 732 /* extract user and group id */ 733 e->e_from.q_uid = pw->pw_uid; 734 e->e_from.q_gid = pw->pw_gid; 735 e->e_from.q_flags |= QGOODUID; 736 737 /* extract full name from passwd file */ 738 if (FullName == NULL && pw->pw_gecos != NULL && 739 strcmp(pw->pw_name, e->e_from.q_user) == 0 && 740 !internal) 741 { 742 buildfname(pw->pw_gecos, e->e_from.q_user, buf); 743 if (buf[0] != '\0') 744 FullName = newstr(buf); 745 } 746 } 747 if (FullName != NULL && !internal) 748 define('x', FullName, e); 749 } 750 else if (!internal && OpMode != MD_DAEMON) 751 { 752 if (e->e_from.q_home == NULL) 753 { 754 e->e_from.q_home = getenv("HOME"); 755 if (e->e_from.q_home != NULL && 756 strcmp(e->e_from.q_home, "/") == 0) 757 e->e_from.q_home++; 758 } 759 e->e_from.q_uid = RealUid; 760 e->e_from.q_gid = RealGid; 761 e->e_from.q_flags |= QGOODUID; 762 } 763 764 /* 765 ** Rewrite the from person to dispose of possible implicit 766 ** links in the net. 767 */ 768 769 pvp = prescan(from, delimchar, pvpbuf, sizeof pvpbuf, NULL, NULL); 770 if (pvp == NULL) 771 { 772 /* don't need to give error -- prescan did that already */ 773 # ifdef LOG 774 if (LogLevel > 2) 775 syslog(LOG_NOTICE, "cannot prescan from (%s)", from); 776 # endif 777 finis(); 778 } 779 /* 780 (void) rewrite(pvp, 3, 0, e); 781 (void) rewrite(pvp, 1, 0, e); 782 (void) rewrite(pvp, 4, 0, e); 783 */ 784 bp = buf + 1; 785 cataddr(pvp, NULL, bp, sizeof buf - 2, '\0'); 786 if (*bp == '@' && !bitnset(M_NOBRACKET, e->e_from.q_mailer->m_flags)) 787 { 788 /* heuristic: route-addr: add angle brackets */ 789 strcat(bp, ">"); 790 *--bp = '<'; 791 } 792 e->e_sender = newstr(bp); 793 define('f', e->e_sender, e); 794 795 /* save the domain spec if this mailer wants it */ 796 if (e->e_from.q_mailer != NULL && 797 bitnset(M_CANONICAL, e->e_from.q_mailer->m_flags)) 798 { 799 char **lastat; 800 extern char **copyplist(); 801 802 /* get rid of any pesky angle brackets */ 803 (void) rewrite(pvp, 3, 0, e); 804 (void) rewrite(pvp, 1, 0, e); 805 (void) rewrite(pvp, 4, 0, e); 806 807 /* strip off to the last "@" sign */ 808 for (lastat = NULL; *pvp != NULL; pvp++) 809 if (strcmp(*pvp, "@") == 0) 810 lastat = pvp; 811 if (lastat != NULL) 812 { 813 e->e_fromdomain = copyplist(lastat, TRUE); 814 if (tTd(45, 3)) 815 { 816 printf("Saving from domain: "); 817 printav(e->e_fromdomain); 818 } 819 } 820 } 821 } 822 /* 823 ** PRINTENVFLAGS -- print envelope flags for debugging 824 ** 825 ** Parameters: 826 ** e -- the envelope with the flags to be printed. 827 ** 828 ** Returns: 829 ** none. 830 */ 831 832 struct eflags 833 { 834 char *ef_name; 835 u_long ef_bit; 836 }; 837 838 struct eflags EnvelopeFlags[] = 839 { 840 "OLDSTYLE", EF_OLDSTYLE, 841 "INQUEUE", EF_INQUEUE, 842 "NO_BODY_RETN", EF_NO_BODY_RETN, 843 "CLRQUEUE", EF_CLRQUEUE, 844 "SENDRECEIPT", EF_SENDRECEIPT, 845 "FATALERRS", EF_FATALERRS, 846 "KEEPQUEUE", EF_KEEPQUEUE, 847 "RESPONSE", EF_RESPONSE, 848 "RESENT", EF_RESENT, 849 "VRFYONLY", EF_VRFYONLY, 850 "WARNING", EF_WARNING, 851 "QUEUERUN", EF_QUEUERUN, 852 "GLOBALERRS", EF_GLOBALERRS, 853 "PM_NOTIFY", EF_PM_NOTIFY, 854 "METOO", EF_METOO, 855 "LOGSENDER", EF_LOGSENDER, 856 "NORECEIPT", EF_NORECEIPT, 857 "HAS8BIT", EF_HAS8BIT, 858 "NL_NOT_EOL", EF_NL_NOT_EOL, 859 "CRLF_NOT_EOL", EF_CRLF_NOT_EOL, 860 "RET_PARAM", EF_RET_PARAM, 861 "HAS_DF", EF_HAS_DF, 862 NULL 863 }; 864 865 void 866 printenvflags(e) 867 register ENVELOPE *e; 868 { 869 register struct eflags *ef; 870 bool first = TRUE; 871 872 printf("%lx", e->e_flags); 873 for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++) 874 { 875 if (!bitset(ef->ef_bit, e->e_flags)) 876 continue; 877 if (first) 878 printf("<%s", ef->ef_name); 879 else 880 printf(",%s", ef->ef_name); 881 first = FALSE; 882 } 883 if (!first) 884 printf(">\n"); 885 } 886