14227346bSdist /* 20942ea6aSbostic * Copyright (c) 1983 Eric P. Allman 32b191fa3Sbostic * Copyright (c) 1988, 1993 42b191fa3Sbostic * The Regents of the University of California. All rights reserved. 5e70a7521Sbostic * 63bc94712Sbostic * %sccs.include.redist.c% 74227346bSdist */ 84227346bSdist 94227346bSdist #ifndef lint 10*ac5a49f9Seric static char sccsid[] = "@(#)deliver.c 8.135 (Berkeley) 03/23/95"; 11e70a7521Sbostic #endif /* not lint */ 124227346bSdist 13fcde9cc8Sbostic #include "sendmail.h" 14f28da541Smiriam #include <netdb.h> 15911693bfSbostic #include <errno.h> 169d4a8008Seric #if NAMED_BIND 17912a731aSbostic #include <resolv.h> 18f170942cSeric 19f170942cSeric extern int h_errno; 20134746fbSeric #endif 2125a99e2eSeric 225d437c4dSeric extern char SmtpError[]; 235d437c4dSeric 2425a99e2eSeric /* 259c9e68d9Seric ** SENDALL -- actually send all the messages. 269c9e68d9Seric ** 279c9e68d9Seric ** Parameters: 289c9e68d9Seric ** e -- the envelope to send. 299c9e68d9Seric ** mode -- the delivery mode to use. If SM_DEFAULT, use 309c9e68d9Seric ** the current e->e_sendmode. 319c9e68d9Seric ** 329c9e68d9Seric ** Returns: 339c9e68d9Seric ** none. 349c9e68d9Seric ** 359c9e68d9Seric ** Side Effects: 369c9e68d9Seric ** Scans the send lists and sends everything it finds. 379c9e68d9Seric ** Delivers any appropriate error messages. 389c9e68d9Seric ** If we are running in a non-interactive mode, takes the 399c9e68d9Seric ** appropriate action. 409c9e68d9Seric */ 419c9e68d9Seric 4264187506Seric void 439c9e68d9Seric sendall(e, mode) 449c9e68d9Seric ENVELOPE *e; 459c9e68d9Seric char mode; 469c9e68d9Seric { 479c9e68d9Seric register ADDRESS *q; 489c9e68d9Seric char *owner; 499c9e68d9Seric int otherowners; 50b056abd0Seric register ENVELOPE *ee; 51b056abd0Seric ENVELOPE *splitenv = NULL; 5264187506Seric bool oldverbose = Verbose; 53c088ca03Seric bool somedeliveries = FALSE; 5464187506Seric int pid; 5564187506Seric extern void sendenvelope(); 569c9e68d9Seric 577880f3e4Seric /* 587880f3e4Seric ** If we have had global, fatal errors, don't bother sending 597880f3e4Seric ** the message at all if we are in SMTP mode. Local errors 607880f3e4Seric ** (e.g., a single address failing) will still cause the other 617880f3e4Seric ** addresses to be sent. 627880f3e4Seric */ 637880f3e4Seric 648d19a23dSeric if (bitset(EF_FATALERRS, e->e_flags) && 658d19a23dSeric (OpMode == MD_SMTP || OpMode == MD_DAEMON)) 66896b16f6Seric { 67896b16f6Seric e->e_flags |= EF_CLRQUEUE; 68896b16f6Seric return; 69896b16f6Seric } 70896b16f6Seric 719c9e68d9Seric /* determine actual delivery mode */ 72fbe2f963Seric CurrentLA = getla(); 739c9e68d9Seric if (mode == SM_DEFAULT) 749c9e68d9Seric { 759c9e68d9Seric mode = e->e_sendmode; 769c9e68d9Seric if (mode != SM_VERIFY && 779c9e68d9Seric shouldqueue(e->e_msgpriority, e->e_ctime)) 789c9e68d9Seric mode = SM_QUEUE; 799c9e68d9Seric } 809c9e68d9Seric 819c9e68d9Seric if (tTd(13, 1)) 829c9e68d9Seric { 83c088ca03Seric extern void printenvflags(); 84c088ca03Seric 850e484fe5Seric printf("\n===== SENDALL: mode %c, id %s, e_from ", 860e484fe5Seric mode, e->e_id); 879c9e68d9Seric printaddr(&e->e_from, FALSE); 88c088ca03Seric printf("\te_flags = "); 89c088ca03Seric printenvflags(e); 909c9e68d9Seric printf("sendqueue:\n"); 919c9e68d9Seric printaddr(e->e_sendqueue, TRUE); 929c9e68d9Seric } 939c9e68d9Seric 949c9e68d9Seric /* 959c9e68d9Seric ** Do any preprocessing necessary for the mode we are running. 969c9e68d9Seric ** Check to make sure the hop count is reasonable. 979c9e68d9Seric ** Delete sends to the sender in mailing lists. 989c9e68d9Seric */ 999c9e68d9Seric 1009c9e68d9Seric CurEnv = e; 1019c9e68d9Seric 1029c9e68d9Seric if (e->e_hopcount > MaxHopCount) 1039c9e68d9Seric { 1049c9e68d9Seric errno = 0; 105c088ca03Seric queueup(e, TRUE, mode == SM_QUEUE); 10627607809Seric e->e_flags |= EF_FATALERRS|EF_PM_NOTIFY|EF_CLRQUEUE; 1074bb8b0fdSeric syserr("554 too many hops %d (%d max): from %s via %s, to %s", 1089c9e68d9Seric e->e_hopcount, MaxHopCount, e->e_from.q_paddr, 109f7869e68Seric RealHostName == NULL ? "localhost" : RealHostName, 110f7869e68Seric e->e_sendqueue->q_paddr); 1119c9e68d9Seric return; 1129c9e68d9Seric } 1139c9e68d9Seric 114b8004690Seric /* 115b8004690Seric ** Do sender deletion. 116b8004690Seric ** 117b8004690Seric ** If the sender has the QQUEUEUP flag set, skip this. 118b8004690Seric ** This can happen if the name server is hosed when you 119b8004690Seric ** are trying to send mail. The result is that the sender 120b8004690Seric ** is instantiated in the queue as a recipient. 121b8004690Seric */ 122b8004690Seric 123e76a6a8fSeric if (!bitset(EF_METOO, e->e_flags) && 124e76a6a8fSeric !bitset(QQUEUEUP, e->e_from.q_flags)) 1259c9e68d9Seric { 1269c9e68d9Seric if (tTd(13, 5)) 1279c9e68d9Seric { 1289c9e68d9Seric printf("sendall: QDONTSEND "); 1299c9e68d9Seric printaddr(&e->e_from, FALSE); 1309c9e68d9Seric } 1319c9e68d9Seric e->e_from.q_flags |= QDONTSEND; 13264187506Seric (void) recipient(&e->e_from, &e->e_sendqueue, 0, e); 1339c9e68d9Seric } 1349c9e68d9Seric 135ce5531bdSeric /* 136ce5531bdSeric ** Handle alias owners. 137ce5531bdSeric ** 138ce5531bdSeric ** We scan up the q_alias chain looking for owners. 139ce5531bdSeric ** We discard owners that are the same as the return path. 140ce5531bdSeric */ 141ce5531bdSeric 142ce5531bdSeric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 143ce5531bdSeric { 144ce5531bdSeric register struct address *a; 145ce5531bdSeric 146ce5531bdSeric for (a = q; a != NULL && a->q_owner == NULL; a = a->q_alias) 147ce5531bdSeric continue; 148ce5531bdSeric if (a != NULL) 149ce5531bdSeric q->q_owner = a->q_owner; 150ce5531bdSeric 151ce5531bdSeric if (q->q_owner != NULL && 152ce5531bdSeric !bitset(QDONTSEND, q->q_flags) && 153ce5531bdSeric strcmp(q->q_owner, e->e_from.q_paddr) == 0) 154ce5531bdSeric q->q_owner = NULL; 155ce5531bdSeric } 156ce5531bdSeric 157ce5531bdSeric owner = ""; 158ce5531bdSeric otherowners = 1; 159ce5531bdSeric while (owner != NULL && otherowners > 0) 160ce5531bdSeric { 161ce5531bdSeric owner = NULL; 162ce5531bdSeric otherowners = 0; 163ce5531bdSeric 164ce5531bdSeric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 165ce5531bdSeric { 166ce5531bdSeric if (bitset(QDONTSEND, q->q_flags)) 167ce5531bdSeric continue; 168ce5531bdSeric 169ce5531bdSeric if (q->q_owner != NULL) 170ce5531bdSeric { 171ce5531bdSeric if (owner == NULL) 172ce5531bdSeric owner = q->q_owner; 173ce5531bdSeric else if (owner != q->q_owner) 174ce5531bdSeric { 175ce5531bdSeric if (strcmp(owner, q->q_owner) == 0) 176ce5531bdSeric { 177ce5531bdSeric /* make future comparisons cheap */ 178ce5531bdSeric q->q_owner = owner; 179ce5531bdSeric } 180ce5531bdSeric else 181ce5531bdSeric { 182ce5531bdSeric otherowners++; 183ce5531bdSeric } 184ce5531bdSeric owner = q->q_owner; 185ce5531bdSeric } 186ce5531bdSeric } 187ce5531bdSeric else 188ce5531bdSeric { 189ce5531bdSeric otherowners++; 190ce5531bdSeric } 191c088ca03Seric 192c088ca03Seric /* 193c088ca03Seric ** If this mailer is expensive, and if we don't 194c088ca03Seric ** want to make connections now, just mark these 195c088ca03Seric ** addresses and return. This is useful if we 196c088ca03Seric ** want to batch connections to reduce load. This 197c088ca03Seric ** will cause the messages to be queued up, and a 198c088ca03Seric ** daemon will come along to send the messages later. 199c088ca03Seric */ 200c088ca03Seric 201c088ca03Seric if (bitset(QBADADDR|QQUEUEUP, q->q_flags)) 202c088ca03Seric continue; 203c088ca03Seric if (NoConnect && !Verbose && 204c088ca03Seric bitnset(M_EXPENSIVE, q->q_mailer->m_flags)) 205c088ca03Seric { 206c088ca03Seric q->q_flags |= QQUEUEUP; 207c088ca03Seric e->e_to = q->q_paddr; 208c088ca03Seric message("queued"); 209c088ca03Seric if (LogLevel > 8) 210c088ca03Seric logdelivery(q->q_mailer, NULL, 211c088ca03Seric "queued", NULL, 212c088ca03Seric (time_t) 0, e); 213c088ca03Seric e->e_to = NULL; 214c088ca03Seric } 215c088ca03Seric else 216c088ca03Seric { 217c088ca03Seric somedeliveries = TRUE; 218c088ca03Seric } 219ce5531bdSeric } 220ce5531bdSeric 221ce5531bdSeric if (owner != NULL && otherowners > 0) 222ce5531bdSeric { 223ce5531bdSeric extern HDR *copyheader(); 224ce5531bdSeric extern ADDRESS *copyqueue(); 225ce5531bdSeric 226ce5531bdSeric /* 227ce5531bdSeric ** Split this envelope into two. 228ce5531bdSeric */ 229ce5531bdSeric 230ce5531bdSeric ee = (ENVELOPE *) xalloc(sizeof(ENVELOPE)); 231ce5531bdSeric *ee = *e; 232ce5531bdSeric ee->e_id = NULL; 233ce5531bdSeric (void) queuename(ee, '\0'); 234ce5531bdSeric 235ce5531bdSeric if (tTd(13, 1)) 236ce5531bdSeric printf("sendall: split %s into %s\n", 237ce5531bdSeric e->e_id, ee->e_id); 238ce5531bdSeric 239ce5531bdSeric ee->e_header = copyheader(e->e_header); 240ce5531bdSeric ee->e_sendqueue = copyqueue(e->e_sendqueue); 241ce5531bdSeric ee->e_errorqueue = copyqueue(e->e_errorqueue); 242fce3c07bSeric ee->e_flags = e->e_flags & ~(EF_INQUEUE|EF_CLRQUEUE|EF_FATALERRS|EF_SENDRECEIPT); 243fce3c07bSeric ee->e_flags |= EF_NORECEIPT; 244ce5531bdSeric setsender(owner, ee, NULL, TRUE); 245ce5531bdSeric if (tTd(13, 5)) 246ce5531bdSeric { 247ce5531bdSeric printf("sendall(split): QDONTSEND "); 248ce5531bdSeric printaddr(&ee->e_from, FALSE); 249ce5531bdSeric } 250ce5531bdSeric ee->e_from.q_flags |= QDONTSEND; 251ce5531bdSeric ee->e_dfp = NULL; 252ce5531bdSeric ee->e_xfp = NULL; 253ce5531bdSeric ee->e_errormode = EM_MAIL; 254b056abd0Seric ee->e_sibling = splitenv; 255b056abd0Seric splitenv = ee; 256ce5531bdSeric 257ce5531bdSeric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 258ce5531bdSeric if (q->q_owner == owner) 259de1a6b1bSeric { 260ce5531bdSeric q->q_flags |= QDONTSEND; 261de1a6b1bSeric q->q_flags &= ~QQUEUEUP; 262de1a6b1bSeric } 263ce5531bdSeric for (q = ee->e_sendqueue; q != NULL; q = q->q_next) 264ce5531bdSeric if (q->q_owner != owner) 265de1a6b1bSeric { 266ce5531bdSeric q->q_flags |= QDONTSEND; 267de1a6b1bSeric q->q_flags &= ~QQUEUEUP; 268de1a6b1bSeric } 269ce5531bdSeric 27057736a0dSeric if (mode != SM_VERIFY && bitset(EF_HAS_DF, e->e_flags)) 271ce5531bdSeric { 27257736a0dSeric char df1buf[20], df2buf[20]; 27357736a0dSeric 274ce5531bdSeric ee->e_dfp = NULL; 27557736a0dSeric strcpy(df1buf, queuename(e, 'd')); 27657736a0dSeric strcpy(df2buf, queuename(ee, 'd')); 27757736a0dSeric if (link(df1buf, df2buf) < 0) 278ce5531bdSeric { 279ce5531bdSeric syserr("sendall: link(%s, %s)", 28057736a0dSeric df1buf, df2buf); 281ce5531bdSeric } 282ce5531bdSeric } 283ce5531bdSeric #ifdef LOG 284ce5531bdSeric if (LogLevel > 4) 285c8b70947Seric syslog(LOG_INFO, "%s: clone %s, owner=%s", 286c8b70947Seric ee->e_id, e->e_id, owner); 287ce5531bdSeric #endif 288ce5531bdSeric } 289ce5531bdSeric } 290ce5531bdSeric 291ce5531bdSeric if (owner != NULL) 292ce5531bdSeric { 293ce5531bdSeric setsender(owner, e, NULL, TRUE); 294ce5531bdSeric if (tTd(13, 5)) 295ce5531bdSeric { 296ce5531bdSeric printf("sendall(owner): QDONTSEND "); 297ce5531bdSeric printaddr(&e->e_from, FALSE); 298ce5531bdSeric } 299ce5531bdSeric e->e_from.q_flags |= QDONTSEND; 300ce5531bdSeric e->e_errormode = EM_MAIL; 301fce3c07bSeric e->e_flags |= EF_NORECEIPT; 302ce5531bdSeric } 303ce5531bdSeric 304c088ca03Seric /* if nothing to be delivered, just queue up everything */ 305c088ca03Seric if (!somedeliveries && mode != SM_QUEUE && mode != SM_VERIFY) 306c088ca03Seric mode = SM_QUEUE; 307c088ca03Seric 308c1ac89b1Seric # ifdef QUEUE 309c1ac89b1Seric if ((mode == SM_QUEUE || mode == SM_FORK || 310c1ac89b1Seric (mode != SM_VERIFY && SuperSafe)) && 311c1ac89b1Seric !bitset(EF_INQUEUE, e->e_flags)) 312c1ac89b1Seric { 313c1ac89b1Seric /* be sure everything is instantiated in the queue */ 314c088ca03Seric queueup(e, TRUE, mode == SM_QUEUE); 315b056abd0Seric for (ee = splitenv; ee != NULL; ee = ee->e_sibling) 316c088ca03Seric queueup(ee, TRUE, mode == SM_QUEUE); 317c1ac89b1Seric } 318c1ac89b1Seric #endif /* QUEUE */ 319c1ac89b1Seric 3207880f3e4Seric /* 32164187506Seric ** If we belong in background, fork now. 3227880f3e4Seric */ 3237880f3e4Seric 324c1ac89b1Seric switch (mode) 325c1ac89b1Seric { 326c1ac89b1Seric case SM_VERIFY: 327c1ac89b1Seric Verbose = TRUE; 328c1ac89b1Seric break; 329c1ac89b1Seric 330c1ac89b1Seric case SM_QUEUE: 331c1ac89b1Seric queueonly: 332c088ca03Seric if (e->e_nrcpts > 0) 333c1ac89b1Seric e->e_flags |= EF_INQUEUE|EF_KEEPQUEUE; 334c1ac89b1Seric return; 335c1ac89b1Seric 336c1ac89b1Seric case SM_FORK: 337c1ac89b1Seric if (e->e_xfp != NULL) 338c1ac89b1Seric (void) fflush(e->e_xfp); 339c1ac89b1Seric 340b269aa8eSeric # if !HASFLOCK 341c1ac89b1Seric /* 3426b2765c6Seric ** Since fcntl locking has the interesting semantic that 3436b2765c6Seric ** the lock is owned by a process, not by an open file 3446b2765c6Seric ** descriptor, we have to flush this to the queue, and 3456b2765c6Seric ** then restart from scratch in the child. 346c1ac89b1Seric */ 347c1ac89b1Seric 348f1994586Seric { 3496b2765c6Seric /* save id for future use */ 350f1994586Seric char *qid = e->e_id; 3516b2765c6Seric 3526b2765c6Seric /* now drop the envelope in the parent */ 3536b2765c6Seric e->e_flags |= EF_INQUEUE|EF_KEEPQUEUE; 3546b2765c6Seric dropenvelope(e); 3556b2765c6Seric 3566b2765c6Seric /* and reacquire in the child */ 35764187506Seric (void) dowork(qid, TRUE, FALSE, e); 358f1994586Seric } 3596b2765c6Seric 3606b2765c6Seric return; 3616b2765c6Seric 3626b2765c6Seric # else /* HASFLOCK */ 363c1ac89b1Seric 364c1ac89b1Seric pid = fork(); 365c1ac89b1Seric if (pid < 0) 366c1ac89b1Seric { 367c1ac89b1Seric goto queueonly; 368c1ac89b1Seric } 369c1ac89b1Seric else if (pid > 0) 370c1ac89b1Seric { 3710e484fe5Seric /* be sure we leave the temp files to our child */ 3720e484fe5Seric /* can't call unlockqueue to avoid unlink of xfp */ 3730e484fe5Seric if (e->e_lockfp != NULL) 37457736a0dSeric (void) xfclose(e->e_lockfp, "sendenvelope lockfp", e->e_id); 3750e484fe5Seric e->e_lockfp = NULL; 3760e484fe5Seric 3770e484fe5Seric /* close any random open files in the envelope */ 3780e484fe5Seric closexscript(e); 3790e484fe5Seric if (e->e_dfp != NULL) 38057736a0dSeric (void) xfclose(e->e_dfp, "sendenvelope dfp", e->e_id); 3810e484fe5Seric e->e_dfp = NULL; 38257736a0dSeric e->e_id = NULL; 38357736a0dSeric e->e_flags &= ~EF_HAS_DF; 3849f9b003eSeric 3859f9b003eSeric /* catch intermediate zombie */ 3869f9b003eSeric (void) waitfor(pid); 387c1ac89b1Seric return; 388c1ac89b1Seric } 389c1ac89b1Seric 390c1ac89b1Seric /* double fork to avoid zombies */ 3919f9b003eSeric pid = fork(); 3929f9b003eSeric if (pid > 0) 393c1ac89b1Seric exit(EX_OK); 394c1ac89b1Seric 395c1ac89b1Seric /* be sure we are immune from the terminal */ 3967880f3e4Seric disconnect(1, e); 397c1ac89b1Seric 3989f9b003eSeric /* prevent parent from waiting if there was an error */ 3999f9b003eSeric if (pid < 0) 4009f9b003eSeric { 4019f9b003eSeric e->e_flags |= EF_INQUEUE|EF_KEEPQUEUE; 4029f9b003eSeric finis(); 4039f9b003eSeric } 4049f9b003eSeric 405c1ac89b1Seric /* 406c1ac89b1Seric ** Close any cached connections. 407c1ac89b1Seric ** 408c1ac89b1Seric ** We don't send the QUIT protocol because the parent 409c1ac89b1Seric ** still knows about the connection. 410c1ac89b1Seric ** 411c1ac89b1Seric ** This should only happen when delivering an error 412c1ac89b1Seric ** message. 413c1ac89b1Seric */ 414c1ac89b1Seric 415c1ac89b1Seric mci_flush(FALSE, NULL); 416c1ac89b1Seric 4176b2765c6Seric # endif /* HASFLOCK */ 4186b2765c6Seric 419c1ac89b1Seric break; 420c1ac89b1Seric } 421c1ac89b1Seric 42264187506Seric if (splitenv != NULL) 42364187506Seric { 42464187506Seric if (tTd(13, 1)) 42564187506Seric { 42664187506Seric printf("\nsendall: Split queue; remaining queue:\n"); 42764187506Seric printaddr(e->e_sendqueue, TRUE); 42864187506Seric } 42964187506Seric 43064187506Seric for (ee = splitenv; ee != NULL; ee = ee->e_sibling) 43164187506Seric { 43264187506Seric CurEnv = ee; 43364187506Seric if (mode != SM_VERIFY) 43464187506Seric openxscript(ee); 43564187506Seric sendenvelope(ee, mode); 43664187506Seric dropenvelope(ee); 43764187506Seric } 43864187506Seric 43964187506Seric CurEnv = e; 44064187506Seric } 44164187506Seric sendenvelope(e, mode); 44264187506Seric Verbose = oldverbose; 44364187506Seric } 44464187506Seric 44564187506Seric void 44664187506Seric sendenvelope(e, mode) 44764187506Seric register ENVELOPE *e; 44864187506Seric char mode; 44964187506Seric { 45064187506Seric register ADDRESS *q; 45164187506Seric bool didany; 45264187506Seric 45364187506Seric /* 45464187506Seric ** If we have had global, fatal errors, don't bother sending 45564187506Seric ** the message at all if we are in SMTP mode. Local errors 45664187506Seric ** (e.g., a single address failing) will still cause the other 45764187506Seric ** addresses to be sent. 45864187506Seric */ 45964187506Seric 46064187506Seric if (bitset(EF_FATALERRS, e->e_flags) && 46164187506Seric (OpMode == MD_SMTP || OpMode == MD_DAEMON)) 46264187506Seric { 46364187506Seric e->e_flags |= EF_CLRQUEUE; 46464187506Seric return; 46564187506Seric } 46664187506Seric 467c1ac89b1Seric /* 4689c9e68d9Seric ** Run through the list and send everything. 4695288e21aSeric ** 4705288e21aSeric ** Set EF_GLOBALERRS so that error messages during delivery 4715288e21aSeric ** result in returned mail. 4729c9e68d9Seric */ 4739c9e68d9Seric 4749c9e68d9Seric e->e_nsent = 0; 4755288e21aSeric e->e_flags |= EF_GLOBALERRS; 47664187506Seric didany = FALSE; 477faad2b16Seric 478faad2b16Seric /* now run through the queue */ 4799c9e68d9Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 4809c9e68d9Seric { 481fdc75a0fSeric #ifdef XDEBUG 482fdc75a0fSeric char wbuf[MAXNAME + 20]; 483fdc75a0fSeric 484fdc75a0fSeric (void) sprintf(wbuf, "sendall(%s)", q->q_paddr); 485fdc75a0fSeric checkfd012(wbuf); 486fdc75a0fSeric #endif 4879c9e68d9Seric if (mode == SM_VERIFY) 4889c9e68d9Seric { 4899c9e68d9Seric e->e_to = q->q_paddr; 4909c9e68d9Seric if (!bitset(QDONTSEND|QBADADDR, q->q_flags)) 4918dfca105Seric { 492fafe46e1Seric if (q->q_host != NULL && q->q_host[0] != '\0') 4938dfca105Seric message("deliverable: mailer %s, host %s, user %s", 4948dfca105Seric q->q_mailer->m_name, 4958dfca105Seric q->q_host, 4968dfca105Seric q->q_user); 497fafe46e1Seric else 498fafe46e1Seric message("deliverable: mailer %s, user %s", 499fafe46e1Seric q->q_mailer->m_name, 500fafe46e1Seric q->q_user); 5018dfca105Seric } 5029c9e68d9Seric } 5039c9e68d9Seric else if (!bitset(QDONTSEND|QBADADDR, q->q_flags)) 5049c9e68d9Seric { 5059c9e68d9Seric # ifdef QUEUE 5069c9e68d9Seric /* 5079c9e68d9Seric ** Checkpoint the send list every few addresses 5089c9e68d9Seric */ 5099c9e68d9Seric 5109c9e68d9Seric if (e->e_nsent >= CheckpointInterval) 5119c9e68d9Seric { 5129c9e68d9Seric queueup(e, TRUE, FALSE); 5139c9e68d9Seric e->e_nsent = 0; 5149c9e68d9Seric } 5159c9e68d9Seric # endif /* QUEUE */ 5169c9e68d9Seric (void) deliver(e, q); 51764187506Seric didany = TRUE; 5189c9e68d9Seric } 5199c9e68d9Seric } 52064187506Seric if (didany) 52164187506Seric { 52264187506Seric e->e_dtime = curtime(); 52364187506Seric e->e_ntries++; 52464187506Seric } 5259c9e68d9Seric 526fdc75a0fSeric #ifdef XDEBUG 527fdc75a0fSeric checkfd012("end of sendenvelope"); 528fdc75a0fSeric #endif 529fdc75a0fSeric 5309c9e68d9Seric if (mode == SM_FORK) 5319c9e68d9Seric finis(); 5329c9e68d9Seric } 5339c9e68d9Seric /* 5349c9e68d9Seric ** DOFORK -- do a fork, retrying a couple of times on failure. 5359c9e68d9Seric ** 5369c9e68d9Seric ** This MUST be a macro, since after a vfork we are running 5379c9e68d9Seric ** two processes on the same stack!!! 5389c9e68d9Seric ** 5399c9e68d9Seric ** Parameters: 5409c9e68d9Seric ** none. 5419c9e68d9Seric ** 5429c9e68d9Seric ** Returns: 5439c9e68d9Seric ** From a macro??? You've got to be kidding! 5449c9e68d9Seric ** 5459c9e68d9Seric ** Side Effects: 5469c9e68d9Seric ** Modifies the ==> LOCAL <== variable 'pid', leaving: 5479c9e68d9Seric ** pid of child in parent, zero in child. 5489c9e68d9Seric ** -1 on unrecoverable error. 5499c9e68d9Seric ** 5509c9e68d9Seric ** Notes: 5519c9e68d9Seric ** I'm awfully sorry this looks so awful. That's 5529c9e68d9Seric ** vfork for you..... 5539c9e68d9Seric */ 5549c9e68d9Seric 5559c9e68d9Seric # define NFORKTRIES 5 5569c9e68d9Seric 5579c9e68d9Seric # ifndef FORK 5589c9e68d9Seric # define FORK fork 5599c9e68d9Seric # endif 5609c9e68d9Seric 5619c9e68d9Seric # define DOFORK(fORKfN) \ 5629c9e68d9Seric {\ 5639c9e68d9Seric register int i;\ 5649c9e68d9Seric \ 5659c9e68d9Seric for (i = NFORKTRIES; --i >= 0; )\ 5669c9e68d9Seric {\ 5679c9e68d9Seric pid = fORKfN();\ 5689c9e68d9Seric if (pid >= 0)\ 5699c9e68d9Seric break;\ 5709c9e68d9Seric if (i > 0)\ 5719c9e68d9Seric sleep((unsigned) NFORKTRIES - i);\ 5729c9e68d9Seric }\ 5739c9e68d9Seric } 5749c9e68d9Seric /* 5759c9e68d9Seric ** DOFORK -- simple fork interface to DOFORK. 5769c9e68d9Seric ** 5779c9e68d9Seric ** Parameters: 5789c9e68d9Seric ** none. 5799c9e68d9Seric ** 5809c9e68d9Seric ** Returns: 5819c9e68d9Seric ** pid of child in parent. 5829c9e68d9Seric ** zero in child. 5839c9e68d9Seric ** -1 on error. 5849c9e68d9Seric ** 5859c9e68d9Seric ** Side Effects: 5869c9e68d9Seric ** returns twice, once in parent and once in child. 5879c9e68d9Seric */ 5889c9e68d9Seric 5899c9e68d9Seric dofork() 5909c9e68d9Seric { 59164187506Seric register int pid = -1; 5929c9e68d9Seric 5939c9e68d9Seric DOFORK(fork); 5949c9e68d9Seric return (pid); 5959c9e68d9Seric } 5969c9e68d9Seric /* 59713bbc08cSeric ** DELIVER -- Deliver a message to a list of addresses. 59813bbc08cSeric ** 59913bbc08cSeric ** This routine delivers to everyone on the same host as the 60013bbc08cSeric ** user on the head of the list. It is clever about mailers 60113bbc08cSeric ** that don't handle multiple users. It is NOT guaranteed 60213bbc08cSeric ** that it will deliver to all these addresses however -- so 60313bbc08cSeric ** deliver should be called once for each address on the 60413bbc08cSeric ** list. 60525a99e2eSeric ** 60625a99e2eSeric ** Parameters: 607588cad61Seric ** e -- the envelope to deliver. 608c77d1c25Seric ** firstto -- head of the address list to deliver to. 60925a99e2eSeric ** 61025a99e2eSeric ** Returns: 61125a99e2eSeric ** zero -- successfully delivered. 61225a99e2eSeric ** else -- some failure, see ExitStat for more info. 61325a99e2eSeric ** 61425a99e2eSeric ** Side Effects: 61525a99e2eSeric ** The standard input is passed off to someone. 61625a99e2eSeric */ 61725a99e2eSeric 61864187506Seric int 619588cad61Seric deliver(e, firstto) 620588cad61Seric register ENVELOPE *e; 621c77d1c25Seric ADDRESS *firstto; 62225a99e2eSeric { 62378442df3Seric char *host; /* host being sent to */ 62478442df3Seric char *user; /* user being sent to */ 62525a99e2eSeric char **pvp; 6265dfc646bSeric register char **mvp; 62725a99e2eSeric register char *p; 628588cad61Seric register MAILER *m; /* mailer for this recipient */ 6296259796dSeric ADDRESS *ctladdr; 630b31e7f2bSeric register MCI *mci; 631c77d1c25Seric register ADDRESS *to = firstto; 632c579ef51Seric bool clever = FALSE; /* running user smtp to this mailer */ 63364187506Seric ADDRESS *tochain = NULL; /* users chain in this mailer call */ 634911693bfSbostic int rcode; /* response code */ 635e103b48fSeric char *firstsig; /* signature of firstto */ 63664187506Seric int pid = -1; 6379c9e68d9Seric char *curhost; 63864187506Seric time_t xstart; 6399c9e68d9Seric int mpvect[2]; 6409c9e68d9Seric int rpvect[2]; 641ee6bf8dfSeric char *pv[MAXPV+1]; 642579ef0ddSeric char tobuf[TOBUFSIZE]; /* text line of to people */ 643a524e4d0Seric char buf[MAXNAME + 1]; 644a524e4d0Seric char rpathbuf[MAXNAME + 1]; /* translated return path */ 645fabb3bd4Seric extern int checkcompat(); 64625a99e2eSeric 64735490626Seric errno = 0; 648ee4b0922Seric if (bitset(QDONTSEND|QBADADDR|QQUEUEUP, to->q_flags)) 6495dfc646bSeric return (0); 65025a99e2eSeric 6519d4a8008Seric #if NAMED_BIND 652912a731aSbostic /* unless interactive, try twice, over a minute */ 6538d19a23dSeric if (OpMode == MD_DAEMON || OpMode == MD_SMTP) 6548d19a23dSeric { 655912a731aSbostic _res.retrans = 30; 656912a731aSbostic _res.retry = 2; 657912a731aSbostic } 658d4bd8f0eSbostic #endif 659912a731aSbostic 66051552439Seric m = to->q_mailer; 66151552439Seric host = to->q_host; 662c9be6216Seric CurEnv = e; /* just in case */ 6634384d521Seric e->e_statmsg = NULL; 664df106f0bSeric SmtpError[0] = '\0'; 66564187506Seric xstart = curtime(); 66651552439Seric 6676ef48975Seric if (tTd(10, 1)) 668562ec147Seric printf("\n--deliver, id=%s, mailer=%s, host=`%s', first user=`%s'\n", 669562ec147Seric e->e_id, m->m_name, host, to->q_user); 670ab81ee53Seric if (tTd(10, 100)) 671ab81ee53Seric printopenfds(FALSE); 672f3dbc832Seric 673f3dbc832Seric /* 6745dfc646bSeric ** Do initial argv setup. 6755dfc646bSeric ** Insert the mailer name. Notice that $x expansion is 6765dfc646bSeric ** NOT done on the mailer name. Then, if the mailer has 6775dfc646bSeric ** a picky -f flag, we insert it as appropriate. This 6785dfc646bSeric ** code does not check for 'pv' overflow; this places a 6795dfc646bSeric ** manifest lower limit of 4 for MAXPV. 6803bea8136Seric ** The from address rewrite is expected to make 6813bea8136Seric ** the address relative to the other end. 6825dfc646bSeric */ 6835dfc646bSeric 68478442df3Seric /* rewrite from address, using rewriting rules */ 685efe54562Seric rcode = EX_OK; 68664187506Seric if (bitnset(M_UDBENVELOPE, e->e_from.q_mailer->m_flags)) 68764187506Seric p = e->e_sender; 68864187506Seric else 68964187506Seric p = e->e_from.q_paddr; 69064187506Seric (void) strcpy(rpathbuf, remotename(p, m, 691efe54562Seric RF_SENDERADDR|RF_CANONICAL, 692efe54562Seric &rcode, e)); 693ee4b0922Seric define('g', rpathbuf, e); /* translated return path */ 694588cad61Seric define('h', host, e); /* to host */ 6955dfc646bSeric Errors = 0; 6965dfc646bSeric pvp = pv; 6975dfc646bSeric *pvp++ = m->m_argv[0]; 6985dfc646bSeric 6995dfc646bSeric /* insert -f or -r flag as appropriate */ 70057fc6f17Seric if (FromFlag && (bitnset(M_FOPT, m->m_flags) || bitnset(M_ROPT, m->m_flags))) 7015dfc646bSeric { 70257fc6f17Seric if (bitnset(M_FOPT, m->m_flags)) 7035dfc646bSeric *pvp++ = "-f"; 7045dfc646bSeric else 7055dfc646bSeric *pvp++ = "-r"; 706c23ed322Seric *pvp++ = newstr(rpathbuf); 7075dfc646bSeric } 7085dfc646bSeric 7095dfc646bSeric /* 7105dfc646bSeric ** Append the other fixed parts of the argv. These run 7115dfc646bSeric ** up to the first entry containing "$u". There can only 7125dfc646bSeric ** be one of these, and there are only a few more slots 7135dfc646bSeric ** in the pv after it. 7145dfc646bSeric */ 7155dfc646bSeric 7165dfc646bSeric for (mvp = m->m_argv; (p = *++mvp) != NULL; ) 7175dfc646bSeric { 7182bc47524Seric /* can't use strchr here because of sign extension problems */ 7192bc47524Seric while (*p != '\0') 7202bc47524Seric { 7212bc47524Seric if ((*p++ & 0377) == MACROEXPAND) 7222bc47524Seric { 7232bc47524Seric if (*p == 'u') 7245dfc646bSeric break; 7252bc47524Seric } 7262bc47524Seric } 7272bc47524Seric 7282bc47524Seric if (*p != '\0') 7295dfc646bSeric break; 7305dfc646bSeric 7315dfc646bSeric /* this entry is safe -- go ahead and process it */ 732fbf6dabfSeric expand(*mvp, buf, sizeof buf, e); 7335dfc646bSeric *pvp++ = newstr(buf); 7345dfc646bSeric if (pvp >= &pv[MAXPV - 3]) 7355dfc646bSeric { 73608b25121Seric syserr("554 Too many parameters to %s before $u", pv[0]); 7375dfc646bSeric return (-1); 7385dfc646bSeric } 7395dfc646bSeric } 740c579ef51Seric 74133db8731Seric /* 74233db8731Seric ** If we have no substitution for the user name in the argument 74333db8731Seric ** list, we know that we must supply the names otherwise -- and 74433db8731Seric ** SMTP is the answer!! 74533db8731Seric */ 74633db8731Seric 7475dfc646bSeric if (*mvp == NULL) 748c579ef51Seric { 749c579ef51Seric /* running SMTP */ 7502c7e1b8dSeric # ifdef SMTP 751c579ef51Seric clever = TRUE; 752c579ef51Seric *pvp = NULL; 7536c2c3107Seric # else /* SMTP */ 75433db8731Seric /* oops! we don't implement SMTP */ 755df106f0bSeric syserr("554 SMTP style mailer not implemented"); 7562c7e1b8dSeric return (EX_SOFTWARE); 7576c2c3107Seric # endif /* SMTP */ 758c579ef51Seric } 7595dfc646bSeric 7605dfc646bSeric /* 7615dfc646bSeric ** At this point *mvp points to the argument with $u. We 7625dfc646bSeric ** run through our address list and append all the addresses 7635dfc646bSeric ** we can. If we run out of space, do not fret! We can 7645dfc646bSeric ** always send another copy later. 7655dfc646bSeric */ 7665dfc646bSeric 7675dfc646bSeric tobuf[0] = '\0'; 768588cad61Seric e->e_to = tobuf; 7696259796dSeric ctladdr = NULL; 770e103b48fSeric firstsig = hostsignature(firstto->q_mailer, firstto->q_host, e); 7715dfc646bSeric for (; to != NULL; to = to->q_next) 7725dfc646bSeric { 7735dfc646bSeric /* avoid sending multiple recipients to dumb mailers */ 77457fc6f17Seric if (tobuf[0] != '\0' && !bitnset(M_MUSER, m->m_flags)) 7755dfc646bSeric break; 7765dfc646bSeric 7775dfc646bSeric /* if already sent or not for this host, don't send */ 778ee4b0922Seric if (bitset(QDONTSEND|QBADADDR|QQUEUEUP, to->q_flags) || 779e103b48fSeric to->q_mailer != firstto->q_mailer || 780e103b48fSeric strcmp(hostsignature(to->q_mailer, to->q_host, e), firstsig) != 0) 7815dfc646bSeric continue; 7826259796dSeric 7834b22ea87Seric /* avoid overflowing tobuf */ 784aa50a568Sbostic if (sizeof tobuf < (strlen(to->q_paddr) + strlen(tobuf) + 2)) 7854b22ea87Seric break; 7864b22ea87Seric 7876ef48975Seric if (tTd(10, 1)) 788772e6e50Seric { 789772e6e50Seric printf("\nsend to "); 790772e6e50Seric printaddr(to, FALSE); 791772e6e50Seric } 792772e6e50Seric 7936259796dSeric /* compute effective uid/gid when sending */ 79464187506Seric if (bitnset(M_RUNASRCPT, to->q_mailer->m_flags)) 7956259796dSeric ctladdr = getctladdr(to); 7966259796dSeric 79764187506Seric if (tTd(10, 2)) 79864187506Seric { 79964187506Seric printf("ctladdr="); 80064187506Seric printaddr(ctladdr, FALSE); 80164187506Seric } 80264187506Seric 8035dfc646bSeric user = to->q_user; 804588cad61Seric e->e_to = to->q_paddr; 80575f1ade9Seric if (tTd(10, 5)) 80675f1ade9Seric { 80775f1ade9Seric printf("deliver: QDONTSEND "); 80875f1ade9Seric printaddr(to, FALSE); 80975f1ade9Seric } 810ee4b0922Seric to->q_flags |= QDONTSEND; 8115dfc646bSeric 8125dfc646bSeric /* 8135dfc646bSeric ** Check to see that these people are allowed to 8145dfc646bSeric ** talk to each other. 8152a6e0786Seric */ 8162a6e0786Seric 81769582d2fSeric if (m->m_maxsize != 0 && e->e_msgsize > m->m_maxsize) 81869582d2fSeric { 81943357751Seric e->e_flags |= EF_NO_BODY_RETN; 82008b25121Seric usrerr("552 Message is too large; %ld bytes max", m->m_maxsize); 82164187506Seric giveresponse(EX_UNAVAILABLE, m, NULL, ctladdr, xstart, e); 82269582d2fSeric continue; 82369582d2fSeric } 82464187506Seric #if NAMED_BIND 82564187506Seric h_errno = 0; 82664187506Seric #endif 827fabb3bd4Seric rcode = checkcompat(to, e); 8281793c9c5Seric if (rcode != EX_OK) 8295dfc646bSeric { 83064187506Seric markfailure(e, to, NULL, rcode); 83164187506Seric giveresponse(rcode, m, NULL, ctladdr, xstart, e); 8325dfc646bSeric continue; 8335dfc646bSeric } 8342a6e0786Seric 8352a6e0786Seric /* 8369ec9501bSeric ** Strip quote bits from names if the mailer is dumb 8379ec9501bSeric ** about them. 83825a99e2eSeric */ 83925a99e2eSeric 84057fc6f17Seric if (bitnset(M_STRIPQ, m->m_flags)) 84125a99e2eSeric { 8421d8f1806Seric stripquotes(user); 8431d8f1806Seric stripquotes(host); 84425a99e2eSeric } 84525a99e2eSeric 846cdb828c5Seric /* hack attack -- delivermail compatibility */ 847cdb828c5Seric if (m == ProgMailer && *user == '|') 848cdb828c5Seric user++; 849cdb828c5Seric 85025a99e2eSeric /* 8513efaed6eSeric ** If an error message has already been given, don't 8523efaed6eSeric ** bother to send to this address. 8533efaed6eSeric ** 8543efaed6eSeric ** >>>>>>>>>> This clause assumes that the local mailer 8553efaed6eSeric ** >> NOTE >> cannot do any further aliasing; that 8563efaed6eSeric ** >>>>>>>>>> function is subsumed by sendmail. 8573efaed6eSeric */ 8583efaed6eSeric 8596cae517dSeric if (bitset(QBADADDR|QQUEUEUP, to->q_flags)) 8603efaed6eSeric continue; 8613efaed6eSeric 862f2fec898Seric /* save statistics.... */ 863588cad61Seric markstats(e, to); 864f2fec898Seric 8653efaed6eSeric /* 86625a99e2eSeric ** See if this user name is "special". 86725a99e2eSeric ** If the user name has a slash in it, assume that this 86851552439Seric ** is a file -- send it off without further ado. Note 86951552439Seric ** that this type of addresses is not processed along 87051552439Seric ** with the others, so we fudge on the To person. 87125a99e2eSeric */ 87225a99e2eSeric 8732c017f8dSeric if (m == FileMailer) 87425a99e2eSeric { 87503463a75Seric rcode = mailfile(user, ctladdr, e); 87664187506Seric giveresponse(rcode, m, NULL, ctladdr, xstart, e); 87764187506Seric e->e_nsent++; 878dde5acadSeric if (rcode == EX_OK) 87964187506Seric { 880dde5acadSeric to->q_flags |= QSENT; 88164187506Seric if (bitnset(M_LOCALMAILER, m->m_flags) && 88264187506Seric (e->e_receiptto != NULL || 88364187506Seric bitset(QPINGONSUCCESS, to->q_flags))) 88464187506Seric { 88564187506Seric to->q_flags |= QREPORT; 88664187506Seric fprintf(e->e_xfp, "%s... Successfully delivered\n", 88764187506Seric to->q_paddr); 88864187506Seric } 88964187506Seric } 89064187506Seric to->q_statdate = curtime(); 8915dfc646bSeric continue; 89225a99e2eSeric } 89325a99e2eSeric 89413bbc08cSeric /* 89513bbc08cSeric ** Address is verified -- add this user to mailer 89613bbc08cSeric ** argv, and add it to the print list of recipients. 89713bbc08cSeric */ 89813bbc08cSeric 899508daeccSeric /* link together the chain of recipients */ 900508daeccSeric to->q_tchain = tochain; 901508daeccSeric tochain = to; 902508daeccSeric 9035dfc646bSeric /* create list of users for error messages */ 904db8841e9Seric (void) strcat(tobuf, ","); 905db8841e9Seric (void) strcat(tobuf, to->q_paddr); 906588cad61Seric define('u', user, e); /* to user */ 907b6f89e6eSeric p = to->q_home; 908b6f89e6eSeric if (p == NULL && ctladdr != NULL) 909b6f89e6eSeric p = ctladdr->q_home; 910b6f89e6eSeric define('z', p, e); /* user's home */ 9115dfc646bSeric 912c579ef51Seric /* 913508daeccSeric ** Expand out this user into argument list. 914c579ef51Seric */ 915c579ef51Seric 916508daeccSeric if (!clever) 917c579ef51Seric { 918fbf6dabfSeric expand(*mvp, buf, sizeof buf, e); 9195dfc646bSeric *pvp++ = newstr(buf); 9205dfc646bSeric if (pvp >= &pv[MAXPV - 2]) 9215dfc646bSeric { 9225dfc646bSeric /* allow some space for trailing parms */ 9235dfc646bSeric break; 9245dfc646bSeric } 9255dfc646bSeric } 926c579ef51Seric } 9275dfc646bSeric 928145b49b1Seric /* see if any addresses still exist */ 929145b49b1Seric if (tobuf[0] == '\0') 930c579ef51Seric { 931588cad61Seric define('g', (char *) NULL, e); 932145b49b1Seric return (0); 933c579ef51Seric } 934145b49b1Seric 9355dfc646bSeric /* print out messages as full list */ 93663780dbdSeric e->e_to = tobuf + 1; 9375dfc646bSeric 9385dfc646bSeric /* 9395dfc646bSeric ** Fill out any parameters after the $u parameter. 9405dfc646bSeric */ 9415dfc646bSeric 942c579ef51Seric while (!clever && *++mvp != NULL) 9435dfc646bSeric { 944fbf6dabfSeric expand(*mvp, buf, sizeof buf, e); 9455dfc646bSeric *pvp++ = newstr(buf); 9465dfc646bSeric if (pvp >= &pv[MAXPV]) 94708b25121Seric syserr("554 deliver: pv overflow after $u for %s", pv[0]); 9485dfc646bSeric } 9495dfc646bSeric *pvp++ = NULL; 9505dfc646bSeric 95125a99e2eSeric /* 95225a99e2eSeric ** Call the mailer. 9536328bdf7Seric ** The argument vector gets built, pipes 95425a99e2eSeric ** are created as necessary, and we fork & exec as 9556328bdf7Seric ** appropriate. 956c579ef51Seric ** If we are running SMTP, we just need to clean up. 95725a99e2eSeric */ 95825a99e2eSeric 959960e665aSeric /*XXX this seems a bit wierd */ 9604899f6b5Seric if (ctladdr == NULL && m != ProgMailer && 9614899f6b5Seric bitset(QGOODUID, e->e_from.q_flags)) 962960e665aSeric ctladdr = &e->e_from; 963960e665aSeric 9649d4a8008Seric #if NAMED_BIND 9652bcc6d2dSeric if (ConfigLevel < 2) 966912a731aSbostic _res.options &= ~(RES_DEFNAMES | RES_DNSRCH); /* XXX */ 967134746fbSeric #endif 9689c9e68d9Seric 9699c9e68d9Seric if (tTd(11, 1)) 970134746fbSeric { 9719c9e68d9Seric printf("openmailer:"); 9729c9e68d9Seric printav(pv); 9739c9e68d9Seric } 9749c9e68d9Seric errno = 0; 97564187506Seric #if NAMED_BIND 97664187506Seric h_errno = 0; 97764187506Seric #endif 9789c9e68d9Seric 97964187506Seric CurHostName = NULL; 9809c9e68d9Seric 9819c9e68d9Seric /* 9829c9e68d9Seric ** Deal with the special case of mail handled through an IPC 9839c9e68d9Seric ** connection. 9849c9e68d9Seric ** In this case we don't actually fork. We must be 9859c9e68d9Seric ** running SMTP for this to work. We will return a 9869c9e68d9Seric ** zero pid to indicate that we are running IPC. 9879c9e68d9Seric ** We also handle a debug version that just talks to stdin/out. 9889c9e68d9Seric */ 9899c9e68d9Seric 9909c9e68d9Seric curhost = NULL; 991c931b82bSeric SmtpPhase = NULL; 992df106f0bSeric mci = NULL; 9939c9e68d9Seric 9947febfd66Seric #ifdef XDEBUG 9957febfd66Seric { 9967febfd66Seric char wbuf[MAXLINE]; 9977febfd66Seric 9987febfd66Seric /* make absolutely certain 0, 1, and 2 are in use */ 9997febfd66Seric sprintf(wbuf, "%s... openmailer(%s)", e->e_to, m->m_name); 10007febfd66Seric checkfd012(wbuf); 10017febfd66Seric } 10027febfd66Seric #endif 10037febfd66Seric 100464187506Seric /* check for 8-bit available */ 100564187506Seric if (bitset(EF_HAS8BIT, e->e_flags) && 100664187506Seric bitnset(M_7BITS, m->m_flags) && 100764187506Seric !bitset(MM_MIME8BIT, MimeMode)) 100864187506Seric { 100964187506Seric usrerr("554 Cannot send 8-bit data to 7-bit destination"); 101064187506Seric rcode = EX_DATAERR; 101164187506Seric goto give_up; 101264187506Seric } 101364187506Seric 10149c9e68d9Seric /* check for Local Person Communication -- not for mortals!!! */ 10159c9e68d9Seric if (strcmp(m->m_mailer, "[LPC]") == 0) 10169c9e68d9Seric { 10179c9e68d9Seric mci = (MCI *) xalloc(sizeof *mci); 10189c9e68d9Seric bzero((char *) mci, sizeof *mci); 10199c9e68d9Seric mci->mci_in = stdin; 10209c9e68d9Seric mci->mci_out = stdout; 10219c9e68d9Seric mci->mci_state = clever ? MCIS_OPENING : MCIS_OPEN; 10229c9e68d9Seric mci->mci_mailer = m; 10239c9e68d9Seric } 10249c9e68d9Seric else if (strcmp(m->m_mailer, "[IPC]") == 0 || 10259c9e68d9Seric strcmp(m->m_mailer, "[TCP]") == 0) 10269c9e68d9Seric { 10279c9e68d9Seric #ifdef DAEMON 10289c9e68d9Seric register int i; 102964187506Seric register u_short port = 0; 10309c9e68d9Seric 1031a5d44642Seric if (pv[0] == NULL || pv[1] == NULL || pv[1][0] == '\0') 1032a5d44642Seric { 1033a5d44642Seric syserr("null host name for %s mailer", m->m_mailer); 1034a5d44642Seric rcode = EX_CONFIG; 1035a5d44642Seric goto give_up; 1036a5d44642Seric } 1037a5d44642Seric 10389c9e68d9Seric CurHostName = pv[1]; 10399c9e68d9Seric curhost = hostsignature(m, pv[1], e); 10409c9e68d9Seric 10419c9e68d9Seric if (curhost == NULL || curhost[0] == '\0') 10429c9e68d9Seric { 1043a5d44642Seric syserr("null host signature for %s", pv[1]); 1044dfebe401Seric rcode = EX_CONFIG; 1045b31e7f2bSeric goto give_up; 1046b31e7f2bSeric } 10479c9e68d9Seric 10489c9e68d9Seric if (!clever) 10499c9e68d9Seric { 10509c9e68d9Seric syserr("554 non-clever IPC"); 1051df106f0bSeric rcode = EX_CONFIG; 10529c9e68d9Seric goto give_up; 10539c9e68d9Seric } 10549c9e68d9Seric if (pv[2] != NULL) 10559c9e68d9Seric port = atoi(pv[2]); 10569c9e68d9Seric tryhost: 10579c9e68d9Seric while (*curhost != '\0') 10589c9e68d9Seric { 10599c9e68d9Seric register char *p; 1060a524e4d0Seric static char hostbuf[MAXNAME + 1]; 10619c9e68d9Seric 10629c9e68d9Seric /* pull the next host from the signature */ 10639c9e68d9Seric p = strchr(curhost, ':'); 10649c9e68d9Seric if (p == NULL) 10659c9e68d9Seric p = &curhost[strlen(curhost)]; 1066df106f0bSeric if (p == curhost) 1067df106f0bSeric { 1068df106f0bSeric syserr("deliver: null host name in signature"); 10698087428aSeric curhost++; 1070df106f0bSeric continue; 1071df106f0bSeric } 10729c9e68d9Seric strncpy(hostbuf, curhost, p - curhost); 10739c9e68d9Seric hostbuf[p - curhost] = '\0'; 10749c9e68d9Seric if (*p != '\0') 10759c9e68d9Seric p++; 10769c9e68d9Seric curhost = p; 10779c9e68d9Seric 10789c9e68d9Seric /* see if we already know that this host is fried */ 10799c9e68d9Seric CurHostName = hostbuf; 10809c9e68d9Seric mci = mci_get(hostbuf, m); 10819c9e68d9Seric if (mci->mci_state != MCIS_CLOSED) 10829c9e68d9Seric { 10839c9e68d9Seric if (tTd(11, 1)) 10849c9e68d9Seric { 10859c9e68d9Seric printf("openmailer: "); 10864052916eSeric mci_dump(mci, FALSE); 10879c9e68d9Seric } 10889c9e68d9Seric CurHostName = mci->mci_host; 108964187506Seric message("Using cached connection to %s via %s...", 109064187506Seric hostbuf, m->m_name); 10919c9e68d9Seric break; 10929c9e68d9Seric } 10939c9e68d9Seric mci->mci_mailer = m; 10949c9e68d9Seric if (mci->mci_exitstat != EX_OK) 10959c9e68d9Seric continue; 10969c9e68d9Seric 10979c9e68d9Seric /* try the connection */ 10989c9e68d9Seric setproctitle("%s %s: %s", e->e_id, hostbuf, "user open"); 109964187506Seric message("Connecting to %s via %s...", 11009c9e68d9Seric hostbuf, m->m_name); 11019c9e68d9Seric i = makeconnection(hostbuf, port, mci, 11029c9e68d9Seric bitnset(M_SECURE_PORT, m->m_flags)); 11039c9e68d9Seric mci->mci_exitstat = i; 11049c9e68d9Seric mci->mci_errno = errno; 11059d4a8008Seric #if NAMED_BIND 1106f170942cSeric mci->mci_herrno = h_errno; 1107f170942cSeric #endif 11089c9e68d9Seric if (i == EX_OK) 11099c9e68d9Seric { 11109c9e68d9Seric mci->mci_state = MCIS_OPENING; 11119c9e68d9Seric mci_cache(mci); 1112f170942cSeric if (TrafficLogFile != NULL) 1113f170942cSeric fprintf(TrafficLogFile, "%05d == CONNECT %s\n", 1114f170942cSeric getpid(), hostbuf); 11159c9e68d9Seric break; 11169c9e68d9Seric } 11179c9e68d9Seric else if (tTd(11, 1)) 11189c9e68d9Seric printf("openmailer: makeconnection => stat=%d, errno=%d\n", 11199c9e68d9Seric i, errno); 11209c9e68d9Seric 11219c9e68d9Seric /* enter status of this host */ 11229c9e68d9Seric setstat(i); 1123df106f0bSeric 1124df106f0bSeric /* should print some message here for -v mode */ 1125df106f0bSeric } 1126df106f0bSeric if (mci == NULL) 1127df106f0bSeric { 1128df106f0bSeric syserr("deliver: no host name"); 1129df106f0bSeric rcode = EX_OSERR; 1130df106f0bSeric goto give_up; 11319c9e68d9Seric } 11329c9e68d9Seric mci->mci_pid = 0; 11339c9e68d9Seric #else /* no DAEMON */ 11349c9e68d9Seric syserr("554 openmailer: no IPC"); 11359c9e68d9Seric if (tTd(11, 1)) 11369c9e68d9Seric printf("openmailer: NULL\n"); 1137df106f0bSeric rcode = EX_UNAVAILABLE; 1138df106f0bSeric goto give_up; 11399c9e68d9Seric #endif /* DAEMON */ 11409c9e68d9Seric } 11419c9e68d9Seric else 11429c9e68d9Seric { 114364187506Seric /* flush any expired connections */ 114464187506Seric (void) mci_scan(NULL); 114564187506Seric 114664187506Seric /* announce the connection to verbose listeners */ 114764187506Seric if (host == NULL || host[0] == '\0') 114864187506Seric message("Connecting to %s...", m->m_name); 114964187506Seric else 115064187506Seric message("Connecting to %s via %s...", host, m->m_name); 1151f170942cSeric if (TrafficLogFile != NULL) 11520e3bfef5Seric { 1153f170942cSeric char **av; 1154f170942cSeric 1155f170942cSeric fprintf(TrafficLogFile, "%05d === EXEC", getpid()); 1156f170942cSeric for (av = pv; *av != NULL; av++) 1157f170942cSeric fprintf(TrafficLogFile, " %s", *av); 1158f170942cSeric fprintf(TrafficLogFile, "\n"); 11596fe8c3bcSeric } 11606fe8c3bcSeric 11619c9e68d9Seric /* create a pipe to shove the mail through */ 11629c9e68d9Seric if (pipe(mpvect) < 0) 11639c9e68d9Seric { 11640e3bfef5Seric syserr("%s... openmailer(%s): pipe (to mailer)", 11650e3bfef5Seric e->e_to, m->m_name); 11669c9e68d9Seric if (tTd(11, 1)) 11679c9e68d9Seric printf("openmailer: NULL\n"); 11689c9e68d9Seric rcode = EX_OSERR; 11699c9e68d9Seric goto give_up; 11709c9e68d9Seric } 11719c9e68d9Seric 11729c9e68d9Seric /* if this mailer speaks smtp, create a return pipe */ 11739c9e68d9Seric if (clever && pipe(rpvect) < 0) 11749c9e68d9Seric { 11750e3bfef5Seric syserr("%s... openmailer(%s): pipe (from mailer)", 11760e3bfef5Seric e->e_to, m->m_name); 11779c9e68d9Seric (void) close(mpvect[0]); 11789c9e68d9Seric (void) close(mpvect[1]); 11799c9e68d9Seric if (tTd(11, 1)) 11809c9e68d9Seric printf("openmailer: NULL\n"); 11819c9e68d9Seric rcode = EX_OSERR; 11829c9e68d9Seric goto give_up; 11839c9e68d9Seric } 11849c9e68d9Seric 11859c9e68d9Seric /* 11869c9e68d9Seric ** Actually fork the mailer process. 11879c9e68d9Seric ** DOFORK is clever about retrying. 11889c9e68d9Seric ** 11899c9e68d9Seric ** Dispose of SIGCHLD signal catchers that may be laying 11909c9e68d9Seric ** around so that endmail will get it. 11919c9e68d9Seric */ 11929c9e68d9Seric 11939c9e68d9Seric if (e->e_xfp != NULL) 11949c9e68d9Seric (void) fflush(e->e_xfp); /* for debugging */ 11959c9e68d9Seric (void) fflush(stdout); 11969c9e68d9Seric # ifdef SIGCHLD 11972b9178d3Seric (void) setsignal(SIGCHLD, SIG_DFL); 11989c9e68d9Seric # endif /* SIGCHLD */ 11999c9e68d9Seric DOFORK(FORK); 12009c9e68d9Seric /* pid is set by DOFORK */ 12019c9e68d9Seric if (pid < 0) 12029c9e68d9Seric { 12039c9e68d9Seric /* failure */ 12040e3bfef5Seric syserr("%s... openmailer(%s): cannot fork", 12050e3bfef5Seric e->e_to, m->m_name); 12069c9e68d9Seric (void) close(mpvect[0]); 12079c9e68d9Seric (void) close(mpvect[1]); 12089c9e68d9Seric if (clever) 12099c9e68d9Seric { 12109c9e68d9Seric (void) close(rpvect[0]); 12119c9e68d9Seric (void) close(rpvect[1]); 12129c9e68d9Seric } 12139c9e68d9Seric if (tTd(11, 1)) 12149c9e68d9Seric printf("openmailer: NULL\n"); 12159c9e68d9Seric rcode = EX_OSERR; 12169c9e68d9Seric goto give_up; 12179c9e68d9Seric } 12189c9e68d9Seric else if (pid == 0) 12199c9e68d9Seric { 12209c9e68d9Seric int i; 12219c9e68d9Seric int saveerrno; 12229c9e68d9Seric char **ep; 12239c9e68d9Seric char *env[MAXUSERENVIRON]; 12249c9e68d9Seric extern char **environ; 12259c9e68d9Seric extern int DtableSize; 12269c9e68d9Seric 1227f2e4d5e8Seric if (e->e_lockfp != NULL) 1228*ac5a49f9Seric (void) close(fileno(e->e_lockfp)); 1229f2e4d5e8Seric 12309c9e68d9Seric /* child -- set up input & exec mailer */ 12312b9178d3Seric (void) setsignal(SIGINT, SIG_IGN); 12322b9178d3Seric (void) setsignal(SIGHUP, SIG_IGN); 12332b9178d3Seric (void) setsignal(SIGTERM, SIG_DFL); 12349c9e68d9Seric 123544f2317fSeric /* reset user and group */ 123664187506Seric if (bitnset(M_SPECIFIC_UID, m->m_flags)) 1237acc57dbfSeric { 123864187506Seric (void) setgid(m->m_gid); 123964187506Seric (void) setuid(m->m_uid); 1240acc57dbfSeric } 124164187506Seric else if (ctladdr != NULL && ctladdr->q_uid != 0) 124244f2317fSeric { 124344f2317fSeric (void) initgroups(ctladdr->q_ruser? 124444f2317fSeric ctladdr->q_ruser: ctladdr->q_user, 124544f2317fSeric ctladdr->q_gid); 124651cfe111Seric (void) setgid(ctladdr->q_gid); 124744f2317fSeric (void) setuid(ctladdr->q_uid); 124844f2317fSeric } 124964187506Seric else 125064187506Seric { 125164187506Seric (void) initgroups(DefUser, DefGid); 125264187506Seric if (m->m_gid == 0) 125364187506Seric (void) setgid(DefGid); 125464187506Seric else 125564187506Seric (void) setgid(m->m_gid); 125664187506Seric if (m->m_uid == 0) 125764187506Seric (void) setuid(DefUid); 125864187506Seric else 125964187506Seric (void) setuid(m->m_uid); 126044f2317fSeric } 126144f2317fSeric 126244f2317fSeric if (tTd(11, 2)) 126344f2317fSeric printf("openmailer: running as r/euid=%d/%d\n", 126444f2317fSeric getuid(), geteuid()); 126544f2317fSeric 1266b986f6aaSeric /* move into some "safe" directory */ 1267b986f6aaSeric if (m->m_execdir != NULL) 1268b986f6aaSeric { 1269b986f6aaSeric char *p, *q; 1270a524e4d0Seric char buf[MAXLINE + 1]; 1271b986f6aaSeric 1272b986f6aaSeric for (p = m->m_execdir; p != NULL; p = q) 1273b986f6aaSeric { 1274b986f6aaSeric q = strchr(p, ':'); 1275b986f6aaSeric if (q != NULL) 1276b986f6aaSeric *q = '\0'; 1277fbf6dabfSeric expand(p, buf, sizeof buf, e); 1278b986f6aaSeric if (q != NULL) 1279b986f6aaSeric *q++ = ':'; 1280b986f6aaSeric if (tTd(11, 20)) 1281b986f6aaSeric printf("openmailer: trydir %s\n", 1282b986f6aaSeric buf); 1283b986f6aaSeric if (buf[0] != '\0' && chdir(buf) >= 0) 1284b986f6aaSeric break; 1285b986f6aaSeric } 1286b986f6aaSeric } 1287b986f6aaSeric 12889c9e68d9Seric /* arrange to filter std & diag output of command */ 12899c9e68d9Seric if (clever) 12909c9e68d9Seric { 12919c9e68d9Seric (void) close(rpvect[0]); 12926fe8c3bcSeric if (dup2(rpvect[1], STDOUT_FILENO) < 0) 12936fe8c3bcSeric { 12940e3bfef5Seric syserr("%s... openmailer(%s): cannot dup pipe %d for stdout", 12950e3bfef5Seric e->e_to, m->m_name, rpvect[1]); 12966fe8c3bcSeric _exit(EX_OSERR); 12976fe8c3bcSeric } 12989c9e68d9Seric (void) close(rpvect[1]); 12999c9e68d9Seric } 13008b40b0a4Seric else if (OpMode == MD_SMTP || OpMode == MD_DAEMON || 13018b40b0a4Seric HoldErrs || DisConnected) 13029c9e68d9Seric { 13039c9e68d9Seric /* put mailer output in transcript */ 13046fe8c3bcSeric if (dup2(fileno(e->e_xfp), STDOUT_FILENO) < 0) 13056fe8c3bcSeric { 13060e3bfef5Seric syserr("%s... openmailer(%s): cannot dup xscript %d for stdout", 13070e3bfef5Seric e->e_to, m->m_name, 13086fe8c3bcSeric fileno(e->e_xfp)); 13096fe8c3bcSeric _exit(EX_OSERR); 13109c9e68d9Seric } 13116fe8c3bcSeric } 13126fe8c3bcSeric if (dup2(STDOUT_FILENO, STDERR_FILENO) < 0) 13136fe8c3bcSeric { 13140e3bfef5Seric syserr("%s... openmailer(%s): cannot dup stdout for stderr", 13150e3bfef5Seric e->e_to, m->m_name); 13166fe8c3bcSeric _exit(EX_OSERR); 13176fe8c3bcSeric } 13189c9e68d9Seric 13199c9e68d9Seric /* arrange to get standard input */ 13209c9e68d9Seric (void) close(mpvect[1]); 13219c9e68d9Seric if (dup2(mpvect[0], STDIN_FILENO) < 0) 13229c9e68d9Seric { 13230e3bfef5Seric syserr("%s... openmailer(%s): cannot dup pipe %d for stdin", 13240e3bfef5Seric e->e_to, m->m_name, mpvect[0]); 13259c9e68d9Seric _exit(EX_OSERR); 13269c9e68d9Seric } 13279c9e68d9Seric (void) close(mpvect[0]); 13289c9e68d9Seric 13299c9e68d9Seric /* arrange for all the files to be closed */ 13309c9e68d9Seric for (i = 3; i < DtableSize; i++) 13319c9e68d9Seric { 13329c9e68d9Seric register int j; 133344f2317fSeric 13349c9e68d9Seric if ((j = fcntl(i, F_GETFD, 0)) != -1) 13359c9e68d9Seric (void) fcntl(i, F_SETFD, j | 1); 13369c9e68d9Seric } 13379c9e68d9Seric 13389f9b003eSeric /* 13399f9b003eSeric ** Set up the mailer environment 134064187506Seric ** _FORCE_MAIL_LOCAL_ is DG-UX equiv of -d flag. 13419f9b003eSeric ** TZ is timezone information. 13429f9b003eSeric ** SYSTYPE is Apollo software sys type (required). 13439f9b003eSeric ** ISP is Apollo hardware system type (required). 13449f9b003eSeric */ 13459f9b003eSeric 13469c9e68d9Seric i = 0; 13479c9e68d9Seric env[i++] = "AGENT=sendmail"; 134864187506Seric env[i++] = "_FORCE_MAIL_LOCAL_=yes"; 13499c9e68d9Seric for (ep = environ; *ep != NULL; ep++) 13509c9e68d9Seric { 13519f9b003eSeric if (strncmp(*ep, "TZ=", 3) == 0 || 13529f9b003eSeric strncmp(*ep, "ISP=", 4) == 0 || 13539f9b003eSeric strncmp(*ep, "SYSTYPE=", 8) == 0) 13549c9e68d9Seric env[i++] = *ep; 13559c9e68d9Seric } 135664187506Seric env[i] = NULL; 13579c9e68d9Seric 1358929277f2Seric /* run disconnected from terminal */ 1359929277f2Seric (void) setsid(); 1360929277f2Seric 13619c9e68d9Seric /* try to execute the mailer */ 13629c9e68d9Seric execve(m->m_mailer, pv, env); 13639c9e68d9Seric saveerrno = errno; 13649c9e68d9Seric syserr("Cannot exec %s", m->m_mailer); 136564187506Seric if (bitnset(M_LOCALMAILER, m->m_flags) || 136664187506Seric transienterror(saveerrno)) 13677c941fd2Seric _exit(EX_OSERR); 13689c9e68d9Seric _exit(EX_UNAVAILABLE); 13699c9e68d9Seric } 13709c9e68d9Seric 13719c9e68d9Seric /* 13729c9e68d9Seric ** Set up return value. 13739c9e68d9Seric */ 13749c9e68d9Seric 13759c9e68d9Seric mci = (MCI *) xalloc(sizeof *mci); 13769c9e68d9Seric bzero((char *) mci, sizeof *mci); 13779c9e68d9Seric mci->mci_mailer = m; 13789c9e68d9Seric mci->mci_state = clever ? MCIS_OPENING : MCIS_OPEN; 13799c9e68d9Seric mci->mci_pid = pid; 13809c9e68d9Seric (void) close(mpvect[0]); 13819c9e68d9Seric mci->mci_out = fdopen(mpvect[1], "w"); 1382335eae58Seric if (mci->mci_out == NULL) 1383335eae58Seric { 1384335eae58Seric syserr("deliver: cannot create mailer output channel, fd=%d", 1385335eae58Seric mpvect[1]); 1386335eae58Seric (void) close(mpvect[1]); 1387335eae58Seric if (clever) 1388335eae58Seric { 1389335eae58Seric (void) close(rpvect[0]); 1390335eae58Seric (void) close(rpvect[1]); 1391335eae58Seric } 1392335eae58Seric rcode = EX_OSERR; 1393335eae58Seric goto give_up; 1394335eae58Seric } 13959c9e68d9Seric if (clever) 13969c9e68d9Seric { 13979c9e68d9Seric (void) close(rpvect[1]); 13989c9e68d9Seric mci->mci_in = fdopen(rpvect[0], "r"); 1399335eae58Seric if (mci->mci_in == NULL) 1400335eae58Seric { 1401335eae58Seric syserr("deliver: cannot create mailer input channel, fd=%d", 1402335eae58Seric mpvect[1]); 1403335eae58Seric (void) close(rpvect[0]); 1404335eae58Seric fclose(mci->mci_out); 1405335eae58Seric mci->mci_out = NULL; 1406335eae58Seric rcode = EX_OSERR; 1407335eae58Seric goto give_up; 1408335eae58Seric } 14099c9e68d9Seric } 14109c9e68d9Seric else 14119c9e68d9Seric { 14129c9e68d9Seric mci->mci_flags |= MCIF_TEMP; 14139c9e68d9Seric mci->mci_in = NULL; 14149c9e68d9Seric } 14159c9e68d9Seric } 14169c9e68d9Seric 14179c9e68d9Seric /* 14189c9e68d9Seric ** If we are in SMTP opening state, send initial protocol. 14199c9e68d9Seric */ 14209c9e68d9Seric 14219c9e68d9Seric if (clever && mci->mci_state != MCIS_CLOSED) 14229c9e68d9Seric { 14239c9e68d9Seric smtpinit(m, mci, e); 14249c9e68d9Seric } 142564187506Seric 142664187506Seric if (bitset(EF_HAS8BIT, e->e_flags) && bitnset(M_7BITS, m->m_flags)) 142764187506Seric mci->mci_flags |= MCIF_CVT8TO7; 142864187506Seric else 142964187506Seric mci->mci_flags &= ~MCIF_CVT8TO7; 143064187506Seric 14319c9e68d9Seric if (tTd(11, 1)) 14329c9e68d9Seric { 14339c9e68d9Seric printf("openmailer: "); 14344052916eSeric mci_dump(mci, FALSE); 14359c9e68d9Seric } 14369c9e68d9Seric 14379c9e68d9Seric if (mci->mci_state != MCIS_OPEN) 1438b31e7f2bSeric { 1439b31e7f2bSeric /* couldn't open the mailer */ 1440b31e7f2bSeric rcode = mci->mci_exitstat; 14412a6bc25bSeric errno = mci->mci_errno; 14429d4a8008Seric #if NAMED_BIND 1443f170942cSeric h_errno = mci->mci_herrno; 1444f170942cSeric #endif 1445b31e7f2bSeric if (rcode == EX_OK) 1446b31e7f2bSeric { 1447b31e7f2bSeric /* shouldn't happen */ 144808b25121Seric syserr("554 deliver: rcode=%d, mci_state=%d, sig=%s", 14496b0f339dSeric rcode, mci->mci_state, firstsig); 1450b31e7f2bSeric rcode = EX_SOFTWARE; 1451b31e7f2bSeric } 145243357751Seric else if (curhost != NULL && *curhost != '\0') 145390891494Seric { 145490891494Seric /* try next MX site */ 145590891494Seric goto tryhost; 145690891494Seric } 1457b31e7f2bSeric } 1458b31e7f2bSeric else if (!clever) 1459b31e7f2bSeric { 1460b31e7f2bSeric /* 1461b31e7f2bSeric ** Format and send message. 1462b31e7f2bSeric */ 146315d084d5Seric 14645aa0f353Seric putfromline(mci, e); 146564187506Seric (*e->e_puthdr)(mci, e->e_header, e); 14666ffc2dd1Seric (*e->e_putbody)(mci, e, NULL); 1467b31e7f2bSeric 1468b31e7f2bSeric /* get the exit status */ 1469c9be6216Seric rcode = endmailer(mci, e, pv); 1470134746fbSeric } 1471134746fbSeric else 1472b31e7f2bSeric #ifdef SMTP 1473134746fbSeric { 1474b31e7f2bSeric /* 1475b31e7f2bSeric ** Send the MAIL FROM: protocol 1476b31e7f2bSeric */ 147715d084d5Seric 1478b31e7f2bSeric rcode = smtpmailfrom(m, mci, e); 1479b31e7f2bSeric if (rcode == EX_OK) 148075889e88Seric { 1481ded0d3daSkarels register char *t = tobuf; 1482ded0d3daSkarels register int i; 1483ded0d3daSkarels 1484588cad61Seric /* send the recipient list */ 148563780dbdSeric tobuf[0] = '\0'; 148675889e88Seric for (to = tochain; to != NULL; to = to->q_tchain) 148775889e88Seric { 148863780dbdSeric e->e_to = to->q_paddr; 148915d084d5Seric if ((i = smtprcpt(to, m, mci, e)) != EX_OK) 149075889e88Seric { 149164187506Seric markfailure(e, to, mci, i); 149264187506Seric giveresponse(i, m, mci, ctladdr, xstart, e); 149363780dbdSeric } 149475889e88Seric else 149575889e88Seric { 1496911693bfSbostic *t++ = ','; 1497b31e7f2bSeric for (p = to->q_paddr; *p; *t++ = *p++) 1498b31e7f2bSeric continue; 1499ee39df61Seric *t = '\0'; 1500588cad61Seric } 1501588cad61Seric } 1502588cad61Seric 150363780dbdSeric /* now send the data */ 150463780dbdSeric if (tobuf[0] == '\0') 1505b31e7f2bSeric { 15069c9e68d9Seric rcode = EX_OK; 150763780dbdSeric e->e_to = NULL; 1508b31e7f2bSeric if (bitset(MCIF_CACHED, mci->mci_flags)) 1509b31e7f2bSeric smtprset(m, mci, e); 1510b31e7f2bSeric } 151175889e88Seric else 151275889e88Seric { 151363780dbdSeric e->e_to = tobuf + 1; 151475889e88Seric rcode = smtpdata(m, mci, e); 151563780dbdSeric } 151663780dbdSeric 151763780dbdSeric /* now close the connection */ 1518b31e7f2bSeric if (!bitset(MCIF_CACHED, mci->mci_flags)) 151915d084d5Seric smtpquit(m, mci, e); 152063780dbdSeric } 1521cb082c5bSeric if (rcode != EX_OK && curhost != NULL && *curhost != '\0') 15229c9e68d9Seric { 15239c9e68d9Seric /* try next MX site */ 15249c9e68d9Seric goto tryhost; 15259c9e68d9Seric } 1526c579ef51Seric } 1527b31e7f2bSeric #else /* not SMTP */ 1528a05b3449Sbostic { 152908b25121Seric syserr("554 deliver: need SMTP compiled to use clever mailer"); 1530845e533cSeric rcode = EX_CONFIG; 1531b31e7f2bSeric goto give_up; 1532a05b3449Sbostic } 1533b31e7f2bSeric #endif /* SMTP */ 15349d4a8008Seric #if NAMED_BIND 15352bcc6d2dSeric if (ConfigLevel < 2) 1536912a731aSbostic _res.options |= RES_DEFNAMES | RES_DNSRCH; /* XXX */ 1537134746fbSeric #endif 15385dfc646bSeric 1539b31e7f2bSeric /* arrange a return receipt if requested */ 1540df106f0bSeric if (rcode == EX_OK && e->e_receiptto != NULL && 1541df106f0bSeric bitnset(M_LOCALMAILER, m->m_flags)) 1542b31e7f2bSeric { 1543b31e7f2bSeric e->e_flags |= EF_SENDRECEIPT; 1544b31e7f2bSeric /* do we want to send back more info? */ 1545b31e7f2bSeric } 1546b31e7f2bSeric 1547c77d1c25Seric /* 154863780dbdSeric ** Do final status disposal. 154963780dbdSeric ** We check for something in tobuf for the SMTP case. 1550c77d1c25Seric ** If we got a temporary failure, arrange to queue the 1551c77d1c25Seric ** addressees. 1552c77d1c25Seric */ 1553c77d1c25Seric 1554b31e7f2bSeric give_up: 155563780dbdSeric if (tobuf[0] != '\0') 155664187506Seric giveresponse(rcode, m, mci, ctladdr, xstart, e); 1557772e6e50Seric for (to = tochain; to != NULL; to = to->q_tchain) 1558b31e7f2bSeric { 1559dde5acadSeric if (rcode != EX_OK) 156064187506Seric markfailure(e, to, mci, rcode); 156164187506Seric else if (!bitset(QBADADDR|QQUEUEUP, to->q_flags)) 1562655518ecSeric { 1563dde5acadSeric to->q_flags |= QSENT; 156464187506Seric to->q_statdate = curtime(); 1565655518ecSeric e->e_nsent++; 156664187506Seric if (bitnset(M_LOCALMAILER, m->m_flags) && 156764187506Seric (e->e_receiptto != NULL || 156864187506Seric bitset(QPINGONSUCCESS, to->q_flags))) 1569df106f0bSeric { 157064187506Seric to->q_flags |= QREPORT; 1571df106f0bSeric fprintf(e->e_xfp, "%s... Successfully delivered\n", 1572df106f0bSeric to->q_paddr); 1573df106f0bSeric } 157464187506Seric else if (bitset(QPINGONSUCCESS, to->q_flags) && 157564187506Seric !bitset(MCIF_DSN, mci->mci_flags)) 157664187506Seric { 157764187506Seric to->q_flags |= QRELAYED; 157864187506Seric fprintf(e->e_xfp, "%s... relayed; expect no further notifications\n", 157964187506Seric to->q_paddr); 158064187506Seric } 1581655518ecSeric } 1582b31e7f2bSeric } 1583b31e7f2bSeric 1584b31e7f2bSeric /* 1585b31e7f2bSeric ** Restore state and return. 1586b31e7f2bSeric */ 1587c77d1c25Seric 15887febfd66Seric #ifdef XDEBUG 15897febfd66Seric { 15907febfd66Seric char wbuf[MAXLINE]; 15917febfd66Seric 15927febfd66Seric /* make absolutely certain 0, 1, and 2 are in use */ 159344622ea3Seric sprintf(wbuf, "%s... end of deliver(%s)", 159444622ea3Seric e->e_to == NULL ? "NO-TO-LIST" : e->e_to, 159544622ea3Seric m->m_name); 15967febfd66Seric checkfd012(wbuf); 15977febfd66Seric } 15987febfd66Seric #endif 15997febfd66Seric 160035490626Seric errno = 0; 1601588cad61Seric define('g', (char *) NULL, e); 16025826d9d3Seric return (rcode); 160325a99e2eSeric } 16045dfc646bSeric /* 160583b7ddc9Seric ** MARKFAILURE -- mark a failure on a specific address. 160683b7ddc9Seric ** 160783b7ddc9Seric ** Parameters: 160883b7ddc9Seric ** e -- the envelope we are sending. 160983b7ddc9Seric ** q -- the address to mark. 161064187506Seric ** mci -- mailer connection information. 161183b7ddc9Seric ** rcode -- the code signifying the particular failure. 161283b7ddc9Seric ** 161383b7ddc9Seric ** Returns: 161483b7ddc9Seric ** none. 161583b7ddc9Seric ** 161683b7ddc9Seric ** Side Effects: 161783b7ddc9Seric ** marks the address (and possibly the envelope) with the 161883b7ddc9Seric ** failure so that an error will be returned or 161983b7ddc9Seric ** the message will be queued, as appropriate. 162083b7ddc9Seric */ 162183b7ddc9Seric 162264187506Seric markfailure(e, q, mci, rcode) 162383b7ddc9Seric register ENVELOPE *e; 162483b7ddc9Seric register ADDRESS *q; 162564187506Seric register MCI *mci; 162683b7ddc9Seric int rcode; 162783b7ddc9Seric { 162864187506Seric char *stat = NULL; 162919c47125Seric 1630d5aafa3cSeric switch (rcode) 1631d5aafa3cSeric { 1632d5aafa3cSeric case EX_OK: 1633d5aafa3cSeric break; 1634d5aafa3cSeric 1635d5aafa3cSeric case EX_TEMPFAIL: 1636d5aafa3cSeric case EX_IOERR: 1637d5aafa3cSeric case EX_OSERR: 163883b7ddc9Seric q->q_flags |= QQUEUEUP; 1639d5aafa3cSeric break; 1640d5aafa3cSeric 1641d5aafa3cSeric default: 1642f170942cSeric q->q_flags |= QBADADDR; 1643d5aafa3cSeric break; 1644d5aafa3cSeric } 164564187506Seric 164664187506Seric if (q->q_status == NULL && mci != NULL) 164764187506Seric q->q_status = mci->mci_status; 164864187506Seric switch (rcode) 164964187506Seric { 165064187506Seric case EX_USAGE: 165164187506Seric stat = "5.5.4"; 165264187506Seric break; 165364187506Seric 165464187506Seric case EX_DATAERR: 165564187506Seric stat = "5.5.2"; 165664187506Seric break; 165764187506Seric 165864187506Seric case EX_NOUSER: 165964187506Seric case EX_NOHOST: 166064187506Seric stat = "5.1.1"; 166164187506Seric break; 166264187506Seric 166364187506Seric case EX_NOINPUT: 166464187506Seric case EX_CANTCREAT: 166564187506Seric case EX_NOPERM: 166664187506Seric stat = "5.3.0"; 166764187506Seric break; 166864187506Seric 166964187506Seric case EX_UNAVAILABLE: 167064187506Seric case EX_SOFTWARE: 167164187506Seric case EX_OSFILE: 167264187506Seric case EX_PROTOCOL: 167364187506Seric case EX_CONFIG: 167464187506Seric stat = "5.5.0"; 167564187506Seric break; 167664187506Seric 167764187506Seric case EX_OSERR: 167864187506Seric case EX_IOERR: 167964187506Seric stat = "4.5.0"; 168064187506Seric break; 168164187506Seric 168264187506Seric case EX_TEMPFAIL: 168364187506Seric stat = "4.2.0"; 168464187506Seric break; 168564187506Seric } 168664187506Seric if (stat != NULL && q->q_status == NULL) 168764187506Seric q->q_status = stat; 168864187506Seric 168964187506Seric q->q_statdate = curtime(); 169064187506Seric if (CurHostName != NULL && CurHostName[0] != '\0') 169164187506Seric q->q_statmta = newstr(CurHostName); 169264187506Seric if (rcode != EX_OK && q->q_rstatus == NULL) 169364187506Seric { 169464187506Seric char buf[30]; 169564187506Seric 169664187506Seric (void) sprintf(buf, "%d", rcode); 169764187506Seric q->q_rstatus = newstr(buf); 169864187506Seric } 169983b7ddc9Seric } 170083b7ddc9Seric /* 1701c579ef51Seric ** ENDMAILER -- Wait for mailer to terminate. 1702c579ef51Seric ** 1703c579ef51Seric ** We should never get fatal errors (e.g., segmentation 1704c579ef51Seric ** violation), so we report those specially. For other 1705c579ef51Seric ** errors, we choose a status message (into statmsg), 1706c579ef51Seric ** and if it represents an error, we print it. 1707c579ef51Seric ** 1708c579ef51Seric ** Parameters: 1709c579ef51Seric ** pid -- pid of mailer. 1710c9be6216Seric ** e -- the current envelope. 1711c9be6216Seric ** pv -- the parameter vector that invoked the mailer 1712c9be6216Seric ** (for error messages). 1713c579ef51Seric ** 1714c579ef51Seric ** Returns: 1715c579ef51Seric ** exit code of mailer. 1716c579ef51Seric ** 1717c579ef51Seric ** Side Effects: 1718c579ef51Seric ** none. 1719c579ef51Seric */ 1720c579ef51Seric 1721c9be6216Seric endmailer(mci, e, pv) 1722b31e7f2bSeric register MCI *mci; 1723c9be6216Seric register ENVELOPE *e; 1724c9be6216Seric char **pv; 1725c579ef51Seric { 1726588cad61Seric int st; 1727c579ef51Seric 172875889e88Seric /* close any connections */ 172975889e88Seric if (mci->mci_in != NULL) 173076f3d53fSeric (void) xfclose(mci->mci_in, mci->mci_mailer->m_name, "mci_in"); 173175889e88Seric if (mci->mci_out != NULL) 173276f3d53fSeric (void) xfclose(mci->mci_out, mci->mci_mailer->m_name, "mci_out"); 173375889e88Seric mci->mci_in = mci->mci_out = NULL; 173475889e88Seric mci->mci_state = MCIS_CLOSED; 173575889e88Seric 173633db8731Seric /* in the IPC case there is nothing to wait for */ 173775889e88Seric if (mci->mci_pid == 0) 173833db8731Seric return (EX_OK); 173933db8731Seric 174033db8731Seric /* wait for the mailer process to die and collect status */ 174175889e88Seric st = waitfor(mci->mci_pid); 1742588cad61Seric if (st == -1) 174378de67c1Seric { 1744c9be6216Seric syserr("endmailer %s: wait", pv[0]); 1745588cad61Seric return (EX_SOFTWARE); 1746c579ef51Seric } 174733db8731Seric 1748bf9bc890Seric if (WIFEXITED(st)) 1749c579ef51Seric { 1750bf9bc890Seric /* normal death -- return status */ 1751bf9bc890Seric return (WEXITSTATUS(st)); 1752bf9bc890Seric } 1753bf9bc890Seric 1754bf9bc890Seric /* it died a horrid death */ 1755550092c3Seric syserr("451 mailer %s died with signal %o", 1756550092c3Seric mci->mci_mailer->m_name, st); 1757c9be6216Seric 1758c9be6216Seric /* log the arguments */ 17593c930db3Seric if (pv != NULL && e->e_xfp != NULL) 1760c9be6216Seric { 1761c9be6216Seric register char **av; 1762c9be6216Seric 1763c9be6216Seric fprintf(e->e_xfp, "Arguments:"); 1764c9be6216Seric for (av = pv; *av != NULL; av++) 1765c9be6216Seric fprintf(e->e_xfp, " %s", *av); 1766c9be6216Seric fprintf(e->e_xfp, "\n"); 1767c9be6216Seric } 1768c9be6216Seric 17695f73204aSeric ExitStat = EX_TEMPFAIL; 17705f73204aSeric return (EX_TEMPFAIL); 1771c579ef51Seric } 1772c579ef51Seric /* 177325a99e2eSeric ** GIVERESPONSE -- Interpret an error response from a mailer 177425a99e2eSeric ** 177525a99e2eSeric ** Parameters: 177625a99e2eSeric ** stat -- the status code from the mailer (high byte 177725a99e2eSeric ** only; core dumps must have been taken care of 177825a99e2eSeric ** already). 177981161401Seric ** m -- the mailer info for this mailer. 178081161401Seric ** mci -- the mailer connection info -- can be NULL if the 178181161401Seric ** response is given before the connection is made. 17824dee0003Seric ** ctladdr -- the controlling address for the recipient 17834dee0003Seric ** address(es). 178464187506Seric ** xstart -- the transaction start time, for computing 178564187506Seric ** transaction delays. 178681161401Seric ** e -- the current envelope. 178725a99e2eSeric ** 178825a99e2eSeric ** Returns: 1789db8841e9Seric ** none. 179025a99e2eSeric ** 179125a99e2eSeric ** Side Effects: 1792c1f9df2cSeric ** Errors may be incremented. 179325a99e2eSeric ** ExitStat may be set. 179425a99e2eSeric */ 179525a99e2eSeric 179664187506Seric giveresponse(stat, m, mci, ctladdr, xstart, e) 179725a99e2eSeric int stat; 1798588cad61Seric register MAILER *m; 179981161401Seric register MCI *mci; 18004dee0003Seric ADDRESS *ctladdr; 180164187506Seric time_t xstart; 1802198d9be0Seric ENVELOPE *e; 180325a99e2eSeric { 18049c16475dSeric register const char *statmsg; 180525a99e2eSeric extern char *SysExMsg[]; 180625a99e2eSeric register int i; 1807d4bd8f0eSbostic extern int N_SysEx; 1808198d9be0Seric char buf[MAXLINE]; 180925a99e2eSeric 181013bbc08cSeric /* 181113bbc08cSeric ** Compute status message from code. 181213bbc08cSeric */ 181313bbc08cSeric 181425a99e2eSeric i = stat - EX__BASE; 1815588cad61Seric if (stat == 0) 18166fe8c3bcSeric { 1817588cad61Seric statmsg = "250 Sent"; 1818ce5531bdSeric if (e->e_statmsg != NULL) 18196fe8c3bcSeric { 1820ce5531bdSeric (void) sprintf(buf, "%s (%s)", statmsg, e->e_statmsg); 18216fe8c3bcSeric statmsg = buf; 18226fe8c3bcSeric } 18236fe8c3bcSeric } 1824588cad61Seric else if (i < 0 || i > N_SysEx) 1825588cad61Seric { 1826588cad61Seric (void) sprintf(buf, "554 unknown mailer error %d", stat); 1827588cad61Seric stat = EX_UNAVAILABLE; 1828588cad61Seric statmsg = buf; 1829588cad61Seric } 1830198d9be0Seric else if (stat == EX_TEMPFAIL) 1831198d9be0Seric { 18327d55540cSeric (void) strcpy(buf, SysExMsg[i] + 1); 18339d4a8008Seric #if NAMED_BIND 1834f28da541Smiriam if (h_errno == TRY_AGAIN) 18354d50702aSeric statmsg = errstring(h_errno+E_DNSBASE); 1836f28da541Smiriam else 1837d4bd8f0eSbostic #endif 1838f28da541Smiriam { 18398557d168Seric if (errno != 0) 1840d87e85f3Seric statmsg = errstring(errno); 1841d87e85f3Seric else 1842d87e85f3Seric { 1843d87e85f3Seric #ifdef SMTP 1844d87e85f3Seric statmsg = SmtpError; 18456c2c3107Seric #else /* SMTP */ 1846d87e85f3Seric statmsg = NULL; 18476c2c3107Seric #endif /* SMTP */ 1848d87e85f3Seric } 1849f28da541Smiriam } 1850d87e85f3Seric if (statmsg != NULL && statmsg[0] != '\0') 1851d87e85f3Seric { 185287c9b3e7Seric (void) strcat(buf, ": "); 1853d87e85f3Seric (void) strcat(buf, statmsg); 18548557d168Seric } 1855198d9be0Seric statmsg = buf; 1856198d9be0Seric } 18579d4a8008Seric #if NAMED_BIND 1858f170942cSeric else if (stat == EX_NOHOST && h_errno != 0) 1859f170942cSeric { 18604d50702aSeric statmsg = errstring(h_errno + E_DNSBASE); 1861862934b2Seric (void) sprintf(buf, "%s (%s)", SysExMsg[i] + 1, statmsg); 1862f170942cSeric statmsg = buf; 1863f170942cSeric } 1864f170942cSeric #endif 186525a99e2eSeric else 1866d87e85f3Seric { 186725a99e2eSeric statmsg = SysExMsg[i]; 18687d55540cSeric if (*statmsg++ == ':') 18697d55540cSeric { 18707d55540cSeric (void) sprintf(buf, "%s: %s", statmsg, errstring(errno)); 18717d55540cSeric statmsg = buf; 18727d55540cSeric } 1873d87e85f3Seric } 1874588cad61Seric 1875588cad61Seric /* 1876588cad61Seric ** Print the message as appropriate 1877588cad61Seric */ 1878588cad61Seric 1879198d9be0Seric if (stat == EX_OK || stat == EX_TEMPFAIL) 1880df106f0bSeric { 1881df106f0bSeric extern char MsgBuf[]; 1882df106f0bSeric 18831f96bd0bSeric message("%s", &statmsg[4]); 1884df106f0bSeric if (stat == EX_TEMPFAIL && e->e_xfp != NULL) 1885df106f0bSeric fprintf(e->e_xfp, "%s\n", &MsgBuf[4]); 1886df106f0bSeric } 188725a99e2eSeric else 188825a99e2eSeric { 1889862934b2Seric char mbuf[8]; 1890862934b2Seric 1891c1f9df2cSeric Errors++; 1892862934b2Seric sprintf(mbuf, "%.3s %%s", statmsg); 1893862934b2Seric usrerr(mbuf, &statmsg[4]); 189425a99e2eSeric } 189525a99e2eSeric 189625a99e2eSeric /* 189725a99e2eSeric ** Final cleanup. 189825a99e2eSeric ** Log a record of the transaction. Compute the new 189925a99e2eSeric ** ExitStat -- if we already had an error, stick with 190025a99e2eSeric ** that. 190125a99e2eSeric */ 190225a99e2eSeric 19032f624c86Seric if (LogLevel > ((stat == EX_TEMPFAIL) ? 8 : (stat == EX_OK) ? 7 : 6)) 190464187506Seric logdelivery(m, mci, &statmsg[4], ctladdr, xstart, e); 1905eb238f8cSeric 19065d3f0ed4Seric if (tTd(11, 2)) 19075d3f0ed4Seric printf("giveresponse: stat=%d, e->e_message=%s\n", 19082c8ac7e0Seric stat, e->e_message == NULL ? "<NULL>" : e->e_message); 19095d3f0ed4Seric 1910eb238f8cSeric if (stat != EX_TEMPFAIL) 1911eb238f8cSeric setstat(stat); 19121097d4c9Seric if (stat != EX_OK && (stat != EX_TEMPFAIL || e->e_message == NULL)) 1913198d9be0Seric { 1914198d9be0Seric if (e->e_message != NULL) 1915198d9be0Seric free(e->e_message); 1916198d9be0Seric e->e_message = newstr(&statmsg[4]); 1917198d9be0Seric } 19188557d168Seric errno = 0; 19199d4a8008Seric #if NAMED_BIND 1920f28da541Smiriam h_errno = 0; 1921d4bd8f0eSbostic #endif 1922eb238f8cSeric } 1923eb238f8cSeric /* 1924eb238f8cSeric ** LOGDELIVERY -- log the delivery in the system log 1925eb238f8cSeric ** 19262c9b4f99Seric ** Care is taken to avoid logging lines that are too long, because 19272c9b4f99Seric ** some versions of syslog have an unfortunate proclivity for core 19282c9b4f99Seric ** dumping. This is a hack, to be sure, that is at best empirical. 19292c9b4f99Seric ** 1930eb238f8cSeric ** Parameters: 193181161401Seric ** m -- the mailer info. Can be NULL for initial queue. 193281161401Seric ** mci -- the mailer connection info -- can be NULL if the 193381161401Seric ** log is occuring when no connection is active. 193481161401Seric ** stat -- the message to print for the status. 19354dee0003Seric ** ctladdr -- the controlling address for the to list. 193664187506Seric ** xstart -- the transaction start time, used for 193764187506Seric ** computing transaction delay. 193881161401Seric ** e -- the current envelope. 1939eb238f8cSeric ** 1940eb238f8cSeric ** Returns: 1941eb238f8cSeric ** none 1942eb238f8cSeric ** 1943eb238f8cSeric ** Side Effects: 1944eb238f8cSeric ** none 1945eb238f8cSeric */ 1946eb238f8cSeric 194764187506Seric logdelivery(m, mci, stat, ctladdr, xstart, e) 194881161401Seric MAILER *m; 194981161401Seric register MCI *mci; 1950eb238f8cSeric char *stat; 19514dee0003Seric ADDRESS *ctladdr; 195264187506Seric time_t xstart; 1953b31e7f2bSeric register ENVELOPE *e; 19545cf56be3Seric { 1955eb238f8cSeric # ifdef LOG 19564dee0003Seric register char *bp; 19572c9b4f99Seric register char *p; 19582c9b4f99Seric int l; 1959d6acf3eeSeric char buf[512]; 19609507d1f9Seric 19613a100e8bSeric # if (SYSLOG_BUFSIZE) >= 256 19624dee0003Seric bp = buf; 19634dee0003Seric if (ctladdr != NULL) 19644dee0003Seric { 19654dee0003Seric strcpy(bp, ", ctladdr="); 1966f62f08c7Seric strcat(bp, shortenstring(ctladdr->q_paddr, 83)); 19674dee0003Seric bp += strlen(bp); 19684dee0003Seric if (bitset(QGOODUID, ctladdr->q_flags)) 19694dee0003Seric { 19704dee0003Seric (void) sprintf(bp, " (%d/%d)", 19714dee0003Seric ctladdr->q_uid, ctladdr->q_gid); 19724dee0003Seric bp += strlen(bp); 19734dee0003Seric } 19744dee0003Seric } 19754dee0003Seric 197664187506Seric sprintf(bp, ", delay=%s", pintvl(curtime() - e->e_ctime, TRUE)); 19774dee0003Seric bp += strlen(bp); 197881161401Seric 197964187506Seric if (xstart != (time_t) 0) 198064187506Seric { 198164187506Seric sprintf(bp, ", xdelay=%s", pintvl(curtime() - xstart, TRUE)); 198264187506Seric bp += strlen(bp); 198364187506Seric } 198464187506Seric 198548ed5d33Seric if (m != NULL) 198671ff6caaSeric { 19874dee0003Seric (void) strcpy(bp, ", mailer="); 19884dee0003Seric (void) strcat(bp, m->m_name); 19894dee0003Seric bp += strlen(bp); 199071ff6caaSeric } 199148ed5d33Seric 199248ed5d33Seric if (mci != NULL && mci->mci_host != NULL) 199371ff6caaSeric { 199471ff6caaSeric # ifdef DAEMON 1995e2f2f828Seric extern SOCKADDR CurHostAddr; 199648ed5d33Seric # endif 199771ff6caaSeric 19984dee0003Seric (void) strcpy(bp, ", relay="); 19994dee0003Seric (void) strcat(bp, mci->mci_host); 200048ed5d33Seric 200148ed5d33Seric # ifdef DAEMON 20022bdfc6b9Seric (void) strcat(bp, " ["); 20034dee0003Seric (void) strcat(bp, anynet_ntoa(&CurHostAddr)); 20042bdfc6b9Seric (void) strcat(bp, "]"); 200571ff6caaSeric # endif 200671ff6caaSeric } 2007bcb9b028Seric else if (strcmp(stat, "queued") != 0) 200848ed5d33Seric { 200948ed5d33Seric char *p = macvalue('h', e); 20109507d1f9Seric 201148ed5d33Seric if (p != NULL && p[0] != '\0') 201248ed5d33Seric { 20134dee0003Seric (void) strcpy(bp, ", relay="); 20144dee0003Seric (void) strcat(bp, p); 201548ed5d33Seric } 201648ed5d33Seric } 2017cb082c5bSeric bp += strlen(bp); 2018d6acf3eeSeric 20193a100e8bSeric #define STATLEN (((SYSLOG_BUFSIZE) - 100) / 4) 20203a100e8bSeric #if (STATLEN) < 63 20213a100e8bSeric # undef STATLEN 20223a100e8bSeric # define STATLEN 63 20233a100e8bSeric #endif 20243a100e8bSeric #if (STATLEN) > 203 20253a100e8bSeric # undef STATLEN 20263a100e8bSeric # define STATLEN 203 20273a100e8bSeric #endif 20283a100e8bSeric 20293a100e8bSeric if ((bp - buf) > (sizeof buf - ((STATLEN) + 20))) 20302c9b4f99Seric { 20312c9b4f99Seric /* desperation move -- truncate data */ 20323a100e8bSeric bp = buf + sizeof buf - ((STATLEN) + 17); 20332c9b4f99Seric strcpy(bp, "..."); 20342c9b4f99Seric bp += 3; 20352c9b4f99Seric } 20362c9b4f99Seric 20372c9b4f99Seric (void) strcpy(bp, ", stat="); 20382c9b4f99Seric bp += strlen(bp); 20393a100e8bSeric 20403a100e8bSeric (void) strcpy(bp, shortenstring(stat, (STATLEN))); 20412c9b4f99Seric 20422c9b4f99Seric l = SYSLOG_BUFSIZE - 100 - strlen(buf); 20432c9b4f99Seric p = e->e_to; 20442c9b4f99Seric while (strlen(p) >= l) 20452c9b4f99Seric { 20462c9b4f99Seric register char *q = strchr(p + l, ','); 20472c9b4f99Seric 20482a1b6b73Seric if (q == NULL) 20492c9b4f99Seric break; 20502c9b4f99Seric syslog(LOG_INFO, "%s: to=%.*s [more]%s", 20512c9b4f99Seric e->e_id, ++q - p, p, buf); 20522c9b4f99Seric p = q; 20532c9b4f99Seric } 20542c9b4f99Seric syslog(LOG_INFO, "%s: to=%s%s", e->e_id, p, buf); 20553a100e8bSeric 20563a100e8bSeric # else /* we have a very short log buffer size */ 20573a100e8bSeric 205827607809Seric l = SYSLOG_BUFSIZE - 85; 20593a100e8bSeric p = e->e_to; 20603a100e8bSeric while (strlen(p) >= l) 20613a100e8bSeric { 20623a100e8bSeric register char *q = strchr(p + l, ','); 20633a100e8bSeric 20643a100e8bSeric if (q == NULL) 20653a100e8bSeric break; 20663a100e8bSeric syslog(LOG_INFO, "%s: to=%.*s [more]", 20673a100e8bSeric e->e_id, ++q - p, p); 20683a100e8bSeric p = q; 20693a100e8bSeric } 20703a100e8bSeric syslog(LOG_INFO, "%s: to=%s", e->e_id, p); 20713a100e8bSeric 20723a100e8bSeric if (ctladdr != NULL) 20733a100e8bSeric { 20743a100e8bSeric bp = buf; 20753a100e8bSeric strcpy(buf, "ctladdr="); 20763a100e8bSeric bp += strlen(buf); 20773a100e8bSeric strcpy(bp, shortenstring(ctladdr->q_paddr, 83)); 20783a100e8bSeric bp += strlen(buf); 20793a100e8bSeric if (bitset(QGOODUID, ctladdr->q_flags)) 20803a100e8bSeric { 20813a100e8bSeric (void) sprintf(bp, " (%d/%d)", 20823a100e8bSeric ctladdr->q_uid, ctladdr->q_gid); 20833a100e8bSeric bp += strlen(bp); 20843a100e8bSeric } 20853a100e8bSeric syslog(LOG_INFO, "%s: %s", e->e_id, buf); 20863a100e8bSeric } 20874e797715Seric bp = buf; 20884e797715Seric sprintf(bp, "delay=%s", pintvl(curtime() - e->e_ctime, TRUE)); 20894e797715Seric bp += strlen(bp); 209064187506Seric if (xstart != (time_t) 0) 209164187506Seric { 209264187506Seric sprintf(bp, ", xdelay=%s", pintvl(curtime() - xstart, TRUE)); 209364187506Seric bp += strlen(bp); 209464187506Seric } 20953a100e8bSeric 20963a100e8bSeric if (m != NULL) 20974e797715Seric { 20984e797715Seric sprintf(bp, ", mailer=%s", m->m_name); 20994e797715Seric bp += strlen(bp); 21004e797715Seric } 2101b056abd0Seric syslog(LOG_INFO, "%s: %s", e->e_id, buf); 21023a100e8bSeric 2103b056abd0Seric buf[0] = '\0'; 21043a100e8bSeric if (mci != NULL && mci->mci_host != NULL) 21053a100e8bSeric { 21063a100e8bSeric # ifdef DAEMON 21073a100e8bSeric extern SOCKADDR CurHostAddr; 21083a100e8bSeric # endif 21093a100e8bSeric 2110d2ece200Seric sprintf(buf, "relay=%s", mci->mci_host); 21113a100e8bSeric 21123a100e8bSeric # ifdef DAEMON 2113b056abd0Seric (void) strcat(buf, " ["); 2114b056abd0Seric (void) strcat(buf, anynet_ntoa(&CurHostAddr)); 2115b056abd0Seric (void) strcat(buf, "]"); 21163a100e8bSeric # endif 21173a100e8bSeric } 2118bcb9b028Seric else if (strcmp(stat, "queued") != 0) 21193a100e8bSeric { 21203a100e8bSeric char *p = macvalue('h', e); 21213a100e8bSeric 21223a100e8bSeric if (p != NULL && p[0] != '\0') 2123d2ece200Seric sprintf(buf, "relay=%s", p); 21243a100e8bSeric } 2125b056abd0Seric if (buf[0] != '\0') 21264e797715Seric syslog(LOG_INFO, "%s: %s", e->e_id, buf); 21273a100e8bSeric 21283a100e8bSeric syslog(LOG_INFO, "%s: stat=%s", e->e_id, shortenstring(stat, 63)); 21293a100e8bSeric # endif /* short log buffer */ 21306c2c3107Seric # endif /* LOG */ 213125a99e2eSeric } 213225a99e2eSeric /* 213351552439Seric ** PUTFROMLINE -- output a UNIX-style from line (or whatever) 213425a99e2eSeric ** 213551552439Seric ** This can be made an arbitrary message separator by changing $l 213651552439Seric ** 21379b6c17a6Seric ** One of the ugliest hacks seen by human eyes is contained herein: 21389b6c17a6Seric ** UUCP wants those stupid "remote from <host>" lines. Why oh why 21399b6c17a6Seric ** does a well-meaning programmer such as myself have to deal with 21409b6c17a6Seric ** this kind of antique garbage???? 214125a99e2eSeric ** 214225a99e2eSeric ** Parameters: 21435aa0f353Seric ** mci -- the connection information. 21445aa0f353Seric ** e -- the envelope. 214525a99e2eSeric ** 214625a99e2eSeric ** Returns: 214751552439Seric ** none 214825a99e2eSeric ** 214925a99e2eSeric ** Side Effects: 215051552439Seric ** outputs some text to fp. 215125a99e2eSeric */ 215225a99e2eSeric 21535aa0f353Seric putfromline(mci, e) 21545aa0f353Seric register MCI *mci; 2155b31e7f2bSeric ENVELOPE *e; 215625a99e2eSeric { 21572bc47524Seric char *template = "\201l\n"; 215851552439Seric char buf[MAXLINE]; 215925a99e2eSeric 21605aa0f353Seric if (bitnset(M_NHDR, mci->mci_mailer->m_flags)) 216151552439Seric return; 216213bbc08cSeric 21632c7e1b8dSeric # ifdef UGLYUUCP 21645aa0f353Seric if (bitnset(M_UGLYUUCP, mci->mci_mailer->m_flags)) 216574b6e67bSeric { 2166ea09d6edSeric char *bang; 2167ea09d6edSeric char xbuf[MAXLINE]; 216874b6e67bSeric 2169fbf6dabfSeric expand("\201g", buf, sizeof buf, e); 21706c2c3107Seric bang = strchr(buf, '!'); 217174b6e67bSeric if (bang == NULL) 217234fcca25Seric { 217334fcca25Seric errno = 0; 217434fcca25Seric syserr("554 No ! in UUCP From address! (%s given)", buf); 217534fcca25Seric } 217674b6e67bSeric else 2177588cad61Seric { 2178ea09d6edSeric *bang++ = '\0'; 21792bc47524Seric (void) sprintf(xbuf, "From %s \201d remote from %s\n", bang, buf); 2180ea09d6edSeric template = xbuf; 218174b6e67bSeric } 2182588cad61Seric } 21836c2c3107Seric # endif /* UGLYUUCP */ 2184fbf6dabfSeric expand(template, buf, sizeof buf, e); 218564187506Seric putxline(buf, mci, FALSE); 2186bc6e2962Seric } 2187bc6e2962Seric /* 218851552439Seric ** PUTBODY -- put the body of a message. 218951552439Seric ** 219051552439Seric ** Parameters: 21915aa0f353Seric ** mci -- the connection information. 21929a6a5f55Seric ** e -- the envelope to put out. 219303c02fdeSeric ** separator -- if non-NULL, a message separator that must 219403c02fdeSeric ** not be permitted in the resulting message. 219551552439Seric ** 219651552439Seric ** Returns: 219751552439Seric ** none. 219851552439Seric ** 219951552439Seric ** Side Effects: 220051552439Seric ** The message is written onto fp. 220151552439Seric */ 220251552439Seric 220364187506Seric /* values for output state variable */ 220464187506Seric #define OS_HEAD 0 /* at beginning of line */ 220564187506Seric #define OS_CR 1 /* read a carriage return */ 220664187506Seric #define OS_INLINE 2 /* putting rest of line */ 220764187506Seric 22086ffc2dd1Seric putbody(mci, e, separator) 22095aa0f353Seric register MCI *mci; 22109a6a5f55Seric register ENVELOPE *e; 221103c02fdeSeric char *separator; 221251552439Seric { 221377b52738Seric char buf[MAXLINE]; 221451552439Seric 221551552439Seric /* 221651552439Seric ** Output the body of the message 221751552439Seric */ 221851552439Seric 221957736a0dSeric if (e->e_dfp == NULL && bitset(EF_HAS_DF, e->e_flags)) 22209a6a5f55Seric { 222157736a0dSeric char *df = queuename(e, 'd'); 222257736a0dSeric 222357736a0dSeric e->e_dfp = fopen(df, "r"); 22249a6a5f55Seric if (e->e_dfp == NULL) 22258f9146b0Srick syserr("putbody: Cannot open %s for %s from %s", 222657736a0dSeric df, e->e_to, e->e_from.q_paddr); 22279a6a5f55Seric } 222864187506Seric if (e->e_dfp == NULL) 222964187506Seric { 223064187506Seric if (bitset(MCIF_INHEADER, mci->mci_flags)) 223164187506Seric { 223264187506Seric putline("", mci); 223364187506Seric mci->mci_flags &= ~MCIF_INHEADER; 2234ff33b231Seric } 223564187506Seric putline("<<< No Message Collected >>>", mci); 223664187506Seric goto endofmessage; 223764187506Seric } 223864187506Seric if (e->e_dfino == (ino_t) 0) 2239519e7d80Seric { 224064187506Seric struct stat stbuf; 224164187506Seric 224264187506Seric if (fstat(fileno(e->e_dfp), &stbuf) < 0) 224364187506Seric e->e_dfino = -1; 224464187506Seric else 224564187506Seric { 224664187506Seric e->e_dfdev = stbuf.st_dev; 224764187506Seric e->e_dfino = stbuf.st_ino; 224864187506Seric } 224964187506Seric } 22509a6a5f55Seric rewind(e->e_dfp); 225164187506Seric 225264187506Seric if (bitset(MCIF_CVT8TO7, mci->mci_flags)) 2253a6ce3008Seric { 22540ea5f9e4Seric char *boundaries[MAXMIMENESTING + 1]; 22550ea5f9e4Seric 225664187506Seric /* 225764187506Seric ** Do 8 to 7 bit MIME conversion. 225864187506Seric */ 225964187506Seric 226064187506Seric /* make sure it looks like a MIME message */ 226164187506Seric if (hvalue("MIME-Version", e->e_header) == NULL) 226264187506Seric putline("MIME-Version: 1.0", mci); 226364187506Seric 226464187506Seric if (hvalue("Content-Type", e->e_header) == NULL) 226564187506Seric { 226664187506Seric sprintf(buf, "Content-Type: text/plain; charset=%s", 226764187506Seric defcharset(e)); 226864187506Seric putline(buf, mci); 226964187506Seric } 227064187506Seric 227164187506Seric /* now do the hard work */ 22720ea5f9e4Seric boundaries[0] = NULL; 22730ea5f9e4Seric mime8to7(mci, e->e_header, e, boundaries, M87F_OUTER); 227464187506Seric } 227564187506Seric else 227664187506Seric { 227764187506Seric int ostate; 227864187506Seric register char *bp; 227964187506Seric register char *pbp; 228064187506Seric register int c; 228164187506Seric int padc; 228264187506Seric char *buflim; 228364187506Seric int pos = 0; 228464187506Seric char peekbuf[10]; 228564187506Seric 228664187506Seric /* we can pass it through unmodified */ 228764187506Seric if (bitset(MCIF_INHEADER, mci->mci_flags)) 228864187506Seric { 228964187506Seric putline("", mci); 229064187506Seric mci->mci_flags &= ~MCIF_INHEADER; 229164187506Seric } 229264187506Seric 229364187506Seric /* determine end of buffer; allow for short mailer lines */ 229464187506Seric buflim = &buf[sizeof buf - 1]; 229564187506Seric if (mci->mci_mailer->m_linelimit > 0 && 229664187506Seric mci->mci_mailer->m_linelimit < sizeof buf - 1) 229764187506Seric buflim = &buf[mci->mci_mailer->m_linelimit - 1]; 229864187506Seric 229964187506Seric /* copy temp file to output with mapping */ 230064187506Seric ostate = OS_HEAD; 230164187506Seric bp = buf; 230264187506Seric pbp = peekbuf; 230364187506Seric while (!ferror(mci->mci_out)) 230464187506Seric { 230564187506Seric register char *xp; 230664187506Seric 230764187506Seric if (pbp > peekbuf) 230864187506Seric c = *--pbp; 230964187506Seric else if ((c = fgetc(e->e_dfp)) == EOF) 231064187506Seric break; 231164187506Seric if (bitset(MCIF_7BIT, mci->mci_flags)) 231264187506Seric c &= 0x7f; 231364187506Seric switch (ostate) 231464187506Seric { 231564187506Seric case OS_HEAD: 231664187506Seric if (c != '\r' && c != '\n' && bp < buflim) 231764187506Seric { 231864187506Seric *bp++ = c; 231964187506Seric break; 232064187506Seric } 232164187506Seric 232264187506Seric /* check beginning of line for special cases */ 232364187506Seric *bp = '\0'; 232464187506Seric pos = 0; 232564187506Seric padc = EOF; 23265aa0f353Seric if (buf[0] == 'F' && 23275aa0f353Seric bitnset(M_ESCFROM, mci->mci_mailer->m_flags) && 2328d6fa2b58Sbostic strncmp(buf, "From ", 5) == 0) 232964187506Seric { 233064187506Seric padc = '>'; 233164187506Seric } 233264187506Seric if (buf[0] == '-' && buf[1] == '-' && 233364187506Seric separator != NULL) 233403c02fdeSeric { 233503c02fdeSeric /* possible separator */ 233603c02fdeSeric int sl = strlen(separator); 233703c02fdeSeric 233803c02fdeSeric if (strncmp(&buf[2], separator, sl) == 0) 233964187506Seric padc = ' '; 234003c02fdeSeric } 234164187506Seric if (buf[0] == '.' && 234264187506Seric bitnset(M_XDOT, mci->mci_mailer->m_flags)) 234364187506Seric { 234464187506Seric padc = '.'; 234564187506Seric } 234664187506Seric 234764187506Seric /* now copy out saved line */ 234864187506Seric if (TrafficLogFile != NULL) 234964187506Seric { 235064187506Seric fprintf(TrafficLogFile, "%05d >>> ", getpid()); 235164187506Seric if (padc != EOF) 235264187506Seric fputc(padc, TrafficLogFile); 235364187506Seric for (xp = buf; xp < bp; xp++) 235464187506Seric fputc(*xp, TrafficLogFile); 235564187506Seric if (c == '\n') 235664187506Seric fputs(mci->mci_mailer->m_eol, 235764187506Seric TrafficLogFile); 235864187506Seric } 235964187506Seric if (padc != EOF) 236064187506Seric { 236164187506Seric fputc(padc, mci->mci_out); 236264187506Seric pos++; 236364187506Seric } 236464187506Seric for (xp = buf; xp < bp; xp++) 236564187506Seric fputc(*xp, mci->mci_out); 236664187506Seric if (c == '\n') 236764187506Seric { 236864187506Seric fputs(mci->mci_mailer->m_eol, 236964187506Seric mci->mci_out); 237064187506Seric pos = 0; 237164187506Seric } 237264187506Seric else 237364187506Seric { 237464187506Seric pos += bp - buf; 237564187506Seric if (c != '\r') 237664187506Seric *pbp++ = c; 237764187506Seric } 237864187506Seric bp = buf; 237964187506Seric 238064187506Seric /* determine next state */ 238164187506Seric if (c == '\n') 238264187506Seric ostate = OS_HEAD; 238364187506Seric else if (c == '\r') 238464187506Seric ostate = OS_CR; 238564187506Seric else 238664187506Seric ostate = OS_INLINE; 238764187506Seric continue; 238864187506Seric 238964187506Seric case OS_CR: 239064187506Seric if (c == '\n') 239164187506Seric { 239264187506Seric /* got CRLF */ 239364187506Seric fputs(mci->mci_mailer->m_eol, mci->mci_out); 239464187506Seric if (TrafficLogFile != NULL) 239564187506Seric { 239664187506Seric fputs(mci->mci_mailer->m_eol, 239764187506Seric TrafficLogFile); 239864187506Seric } 239964187506Seric ostate = OS_HEAD; 240064187506Seric continue; 240164187506Seric } 240264187506Seric 240364187506Seric /* had a naked carriage return */ 240464187506Seric *pbp++ = c; 240564187506Seric c = '\r'; 240664187506Seric goto putch; 240764187506Seric 240864187506Seric case OS_INLINE: 240964187506Seric if (c == '\r') 241064187506Seric { 241164187506Seric ostate = OS_CR; 241264187506Seric continue; 241364187506Seric } 241464187506Seric putch: 241564187506Seric if (mci->mci_mailer->m_linelimit > 0 && 241664187506Seric pos > mci->mci_mailer->m_linelimit && 241764187506Seric c != '\n') 241864187506Seric { 241964187506Seric putc('!', mci->mci_out); 242064187506Seric fputs(mci->mci_mailer->m_eol, mci->mci_out); 242164187506Seric if (TrafficLogFile != NULL) 242264187506Seric { 242364187506Seric fprintf(TrafficLogFile, "!%s", 242464187506Seric mci->mci_mailer->m_eol); 242564187506Seric } 242664187506Seric ostate = OS_HEAD; 242764187506Seric *pbp++ = c; 242864187506Seric continue; 242964187506Seric } 243064187506Seric if (TrafficLogFile != NULL) 243164187506Seric fputc(c, TrafficLogFile); 243264187506Seric putc(c, mci->mci_out); 243364187506Seric pos++; 243464187506Seric ostate = c == '\n' ? OS_HEAD : OS_INLINE; 243564187506Seric break; 243664187506Seric } 243764187506Seric } 2438a6ce3008Seric } 243951552439Seric 24409a6a5f55Seric if (ferror(e->e_dfp)) 244151552439Seric { 244257736a0dSeric syserr("putbody: df%s: read error", e->e_id); 244351552439Seric ExitStat = EX_IOERR; 244451552439Seric } 244551552439Seric 244664187506Seric endofmessage: 24470890ba1fSeric /* some mailers want extra blank line at end of message */ 24485aa0f353Seric if (bitnset(M_BLANKEND, mci->mci_mailer->m_flags) && 24495aa0f353Seric buf[0] != '\0' && buf[0] != '\n') 24505aa0f353Seric putline("", mci); 24510890ba1fSeric 24525aa0f353Seric (void) fflush(mci->mci_out); 24535aa0f353Seric if (ferror(mci->mci_out) && errno != EPIPE) 245451552439Seric { 245551552439Seric syserr("putbody: write error"); 245651552439Seric ExitStat = EX_IOERR; 245751552439Seric } 245851552439Seric errno = 0; 245925a99e2eSeric } 246025a99e2eSeric /* 246125a99e2eSeric ** MAILFILE -- Send a message to a file. 246225a99e2eSeric ** 2463f129ec7dSeric ** If the file has the setuid/setgid bits set, but NO execute 2464f129ec7dSeric ** bits, sendmail will try to become the owner of that file 2465f129ec7dSeric ** rather than the real user. Obviously, this only works if 2466f129ec7dSeric ** sendmail runs as root. 2467f129ec7dSeric ** 2468588cad61Seric ** This could be done as a subordinate mailer, except that it 2469588cad61Seric ** is used implicitly to save messages in ~/dead.letter. We 2470588cad61Seric ** view this as being sufficiently important as to include it 2471588cad61Seric ** here. For example, if the system is dying, we shouldn't have 2472588cad61Seric ** to create another process plus some pipes to save the message. 2473588cad61Seric ** 247425a99e2eSeric ** Parameters: 247525a99e2eSeric ** filename -- the name of the file to send to. 24766259796dSeric ** ctladdr -- the controlling address header -- includes 24776259796dSeric ** the userid/groupid to be when sending. 247825a99e2eSeric ** 247925a99e2eSeric ** Returns: 248025a99e2eSeric ** The exit code associated with the operation. 248125a99e2eSeric ** 248225a99e2eSeric ** Side Effects: 248325a99e2eSeric ** none. 248425a99e2eSeric */ 248525a99e2eSeric 2486b31e7f2bSeric mailfile(filename, ctladdr, e) 248725a99e2eSeric char *filename; 24886259796dSeric ADDRESS *ctladdr; 2489b31e7f2bSeric register ENVELOPE *e; 249025a99e2eSeric { 249125a99e2eSeric register FILE *f; 249264187506Seric register int pid = -1; 249315d084d5Seric int mode; 249425a99e2eSeric 2495671745f3Seric if (tTd(11, 1)) 2496671745f3Seric { 2497671745f3Seric printf("mailfile %s\n ctladdr=", filename); 2498671745f3Seric printaddr(ctladdr, FALSE); 2499671745f3Seric } 2500671745f3Seric 2501f170942cSeric if (e->e_xfp != NULL) 2502f170942cSeric fflush(e->e_xfp); 2503f170942cSeric 250432d19d43Seric /* 250532d19d43Seric ** Fork so we can change permissions here. 250632d19d43Seric ** Note that we MUST use fork, not vfork, because of 250732d19d43Seric ** the complications of calling subroutines, etc. 250832d19d43Seric */ 250932d19d43Seric 251032d19d43Seric DOFORK(fork); 251132d19d43Seric 251232d19d43Seric if (pid < 0) 251332d19d43Seric return (EX_OSERR); 251432d19d43Seric else if (pid == 0) 251532d19d43Seric { 251632d19d43Seric /* child -- actually write to file */ 2517f129ec7dSeric struct stat stb; 2518f2e4d5e8Seric struct stat fsb; 25195aa0f353Seric MCI mcibuf; 25204ef13b77Seric int oflags = O_WRONLY|O_APPEND; 2521f129ec7dSeric 2522f2e4d5e8Seric if (e->e_lockfp != NULL) 2523f2e4d5e8Seric { 2524f2e4d5e8Seric fclose(e->e_lockfp); 2525f2e4d5e8Seric e->e_lockfp = NULL; 2526f2e4d5e8Seric } 2527f2e4d5e8Seric 25282b9178d3Seric (void) setsignal(SIGINT, SIG_DFL); 25292b9178d3Seric (void) setsignal(SIGHUP, SIG_DFL); 25302b9178d3Seric (void) setsignal(SIGTERM, SIG_DFL); 25313462ad9eSeric (void) umask(OldUmask); 253295f16dc0Seric 253364187506Seric #ifdef HASLSTAT 253464187506Seric if ((SafeFileEnv != NULL ? lstat(filename, &stb) 253564187506Seric : stat(filename, &stb)) < 0) 253664187506Seric #else 2537f129ec7dSeric if (stat(filename, &stb) < 0) 253864187506Seric #endif 25394ef13b77Seric { 25403a98e7eaSeric stb.st_mode = FileMode; 25414ef13b77Seric oflags |= O_CREAT|O_EXCL; 25424ef13b77Seric } 254364187506Seric else if (bitset(0111, stb.st_mode) || stb.st_nlink != 1 || 254464187506Seric (SafeFileEnv != NULL && !S_ISREG(stb.st_mode))) 2545f2e4d5e8Seric exit(EX_CANTCREAT); 254615d084d5Seric mode = stb.st_mode; 254795f16dc0Seric 254895f16dc0Seric /* limit the errors to those actually caused in the child */ 254995f16dc0Seric errno = 0; 255095f16dc0Seric ExitStat = EX_OK; 255195f16dc0Seric 255219428781Seric if (ctladdr != NULL) 255315d084d5Seric { 255415d084d5Seric /* ignore setuid and setgid bits */ 255515d084d5Seric mode &= ~(S_ISGID|S_ISUID); 255615d084d5Seric } 255715d084d5Seric 25588f9146b0Srick /* we have to open the dfile BEFORE setuid */ 255957736a0dSeric if (e->e_dfp == NULL && bitset(EF_HAS_DF, e->e_flags)) 25608f9146b0Srick { 256157736a0dSeric char *df = queuename(e, 'd'); 256257736a0dSeric 256357736a0dSeric e->e_dfp = fopen(df, "r"); 256495f16dc0Seric if (e->e_dfp == NULL) 256595f16dc0Seric { 25668f9146b0Srick syserr("mailfile: Cannot open %s for %s from %s", 256757736a0dSeric df, e->e_to, e->e_from.q_paddr); 25688f9146b0Srick } 25698f9146b0Srick } 25708f9146b0Srick 257164187506Seric if (SafeFileEnv != NULL && SafeFileEnv[0] != NULL) 257264187506Seric { 257364187506Seric int i; 257464187506Seric 257564187506Seric if (chroot(SafeFileEnv) < 0) 257664187506Seric { 257764187506Seric syserr("mailfile: Cannot chroot(%s)", 257864187506Seric SafeFileEnv); 257964187506Seric exit(EX_CANTCREAT); 258064187506Seric } 258164187506Seric i = strlen(SafeFileEnv); 258264187506Seric if (strncmp(SafeFileEnv, filename, i) == 0) 258364187506Seric filename += i; 258464187506Seric } 258564187506Seric if (chdir("/") < 0) 258664187506Seric syserr("mailfile: cannot chdir(/)"); 258764187506Seric 258815d084d5Seric if (!bitset(S_ISGID, mode) || setgid(stb.st_gid) < 0) 2589e36b99e2Seric { 259064187506Seric if (ctladdr != NULL && ctladdr->q_uid != 0) 2591898a126bSbostic (void) initgroups(ctladdr->q_ruser ? 2592898a126bSbostic ctladdr->q_ruser : ctladdr->q_user, 2593898a126bSbostic ctladdr->q_gid); 259464187506Seric else if (FileMailer != NULL && FileMailer->m_gid != 0) 259564187506Seric (void) initgroups(DefUser, FileMailer->m_gid); 259664187506Seric else 259764187506Seric (void) initgroups(DefUser, DefGid); 2598e36b99e2Seric } 259915d084d5Seric if (!bitset(S_ISUID, mode) || setuid(stb.st_uid) < 0) 2600e36b99e2Seric { 260164187506Seric if (ctladdr != NULL && ctladdr->q_uid != 0) 26026abe14bdSeric (void) setuid(ctladdr->q_uid); 260364187506Seric else if (FileMailer != NULL && FileMailer->m_uid != 0) 260464187506Seric (void) setuid(FileMailer->m_uid); 260564187506Seric else 260664187506Seric (void) setuid(DefUid); 2607e36b99e2Seric } 260895f16dc0Seric FileName = filename; 260995f16dc0Seric LineNumber = 0; 26104ef13b77Seric f = dfopen(filename, oflags, FileMode); 261125a99e2eSeric if (f == NULL) 261295f16dc0Seric { 2613b6a0de9dSeric message("554 cannot open: %s", errstring(errno)); 261432d19d43Seric exit(EX_CANTCREAT); 261595f16dc0Seric } 2616f2e4d5e8Seric if (fstat(fileno(f), &fsb) < 0 || 261764187506Seric (!bitset(O_CREAT, oflags) && 26184ef13b77Seric (stb.st_nlink != fsb.st_nlink || 2619f2e4d5e8Seric stb.st_dev != fsb.st_dev || 2620f2e4d5e8Seric stb.st_ino != fsb.st_ino || 262164187506Seric stb.st_uid != fsb.st_uid))) 2622f2e4d5e8Seric { 2623f2e4d5e8Seric message("554 cannot write: file changed after open"); 2624f2e4d5e8Seric exit(EX_CANTCREAT); 2625f2e4d5e8Seric } 262625a99e2eSeric 26275aa0f353Seric bzero(&mcibuf, sizeof mcibuf); 26285aa0f353Seric mcibuf.mci_mailer = FileMailer; 26295aa0f353Seric mcibuf.mci_out = f; 26305aa0f353Seric if (bitnset(M_7BITS, FileMailer->m_flags)) 26315aa0f353Seric mcibuf.mci_flags |= MCIF_7BIT; 26325aa0f353Seric 26335aa0f353Seric putfromline(&mcibuf, e); 263464187506Seric (*e->e_puthdr)(&mcibuf, e->e_header, e); 26356ffc2dd1Seric (*e->e_putbody)(&mcibuf, e, NULL); 26365aa0f353Seric putline("\n", &mcibuf); 263795f16dc0Seric if (ferror(f)) 263895f16dc0Seric { 2639b6a0de9dSeric message("451 I/O error: %s", errstring(errno)); 264095f16dc0Seric setstat(EX_IOERR); 264195f16dc0Seric } 2642ee4b0922Seric (void) xfclose(f, "mailfile", filename); 264332d19d43Seric (void) fflush(stdout); 2644e36b99e2Seric 264527628d59Seric /* reset ISUID & ISGID bits for paranoid systems */ 2646c77d1c25Seric (void) chmod(filename, (int) stb.st_mode); 264795f16dc0Seric exit(ExitStat); 264813bbc08cSeric /*NOTREACHED*/ 264932d19d43Seric } 265032d19d43Seric else 265132d19d43Seric { 265232d19d43Seric /* parent -- wait for exit status */ 2653588cad61Seric int st; 265432d19d43Seric 2655588cad61Seric st = waitfor(pid); 2656bf9bc890Seric if (WIFEXITED(st)) 2657bf9bc890Seric return (WEXITSTATUS(st)); 2658588cad61Seric else 2659b6a0de9dSeric { 2660b6a0de9dSeric syserr("child died on signal %d", st); 2661bf9bc890Seric return (EX_UNAVAILABLE); 2662b6a0de9dSeric } 26638f9146b0Srick /*NOTREACHED*/ 266432d19d43Seric } 266525a99e2eSeric } 2666ea4dc939Seric /* 2667e103b48fSeric ** HOSTSIGNATURE -- return the "signature" for a host. 2668e103b48fSeric ** 2669e103b48fSeric ** The signature describes how we are going to send this -- it 2670e103b48fSeric ** can be just the hostname (for non-Internet hosts) or can be 2671e103b48fSeric ** an ordered list of MX hosts. 2672e103b48fSeric ** 2673e103b48fSeric ** Parameters: 2674e103b48fSeric ** m -- the mailer describing this host. 2675e103b48fSeric ** host -- the host name. 2676e103b48fSeric ** e -- the current envelope. 2677e103b48fSeric ** 2678e103b48fSeric ** Returns: 2679e103b48fSeric ** The signature for this host. 2680e103b48fSeric ** 2681e103b48fSeric ** Side Effects: 2682e103b48fSeric ** Can tweak the symbol table. 2683e103b48fSeric */ 2684e103b48fSeric 2685e103b48fSeric char * 2686e103b48fSeric hostsignature(m, host, e) 2687e103b48fSeric register MAILER *m; 2688e103b48fSeric char *host; 2689e103b48fSeric ENVELOPE *e; 2690e103b48fSeric { 2691e103b48fSeric register char *p; 2692e103b48fSeric register STAB *s; 2693e103b48fSeric int i; 2694e103b48fSeric int len; 26959d4a8008Seric #if NAMED_BIND 2696e103b48fSeric int nmx; 2697e103b48fSeric auto int rcode; 2698bafdc4e5Seric char *hp; 2699bafdc4e5Seric char *endp; 270064187506Seric int oldoptions = _res.options; 2701e103b48fSeric char *mxhosts[MAXMXHOSTS + 1]; 2702e103b48fSeric #endif 2703e103b48fSeric 2704e103b48fSeric /* 2705e103b48fSeric ** Check to see if this uses IPC -- if not, it can't have MX records. 2706e103b48fSeric */ 2707e103b48fSeric 2708e103b48fSeric p = m->m_mailer; 2709e103b48fSeric if (strcmp(p, "[IPC]") != 0 && strcmp(p, "[TCP]") != 0) 2710e103b48fSeric { 2711e103b48fSeric /* just an ordinary mailer */ 2712e103b48fSeric return host; 2713e103b48fSeric } 2714e103b48fSeric 2715e103b48fSeric /* 2716e103b48fSeric ** Look it up in the symbol table. 2717e103b48fSeric */ 2718e103b48fSeric 2719e103b48fSeric s = stab(host, ST_HOSTSIG, ST_ENTER); 2720e103b48fSeric if (s->s_hostsig != NULL) 2721e103b48fSeric return s->s_hostsig; 2722e103b48fSeric 2723e103b48fSeric /* 2724e103b48fSeric ** Not already there -- create a signature. 2725e103b48fSeric */ 2726e103b48fSeric 27279d4a8008Seric #if NAMED_BIND 2728516782b4Seric if (ConfigLevel < 2) 2729516782b4Seric _res.options &= ~(RES_DEFNAMES | RES_DNSRCH); /* XXX */ 2730516782b4Seric 2731bafdc4e5Seric for (hp = host; hp != NULL; hp = endp) 2732bafdc4e5Seric { 2733bafdc4e5Seric endp = strchr(hp, ':'); 2734bafdc4e5Seric if (endp != NULL) 2735bafdc4e5Seric *endp = '\0'; 2736bafdc4e5Seric 27377bf809e6Seric nmx = getmxrr(hp, mxhosts, TRUE, &rcode); 27387d55540cSeric 2739e103b48fSeric if (nmx <= 0) 2740e103b48fSeric { 2741e103b48fSeric register MCI *mci; 2742e103b48fSeric 2743e103b48fSeric /* update the connection info for this host */ 2744bafdc4e5Seric mci = mci_get(hp, m); 2745e103b48fSeric mci->mci_exitstat = rcode; 2746e103b48fSeric mci->mci_errno = errno; 2747f170942cSeric mci->mci_herrno = h_errno; 2748e103b48fSeric 2749e103b48fSeric /* and return the original host name as the signature */ 2750bafdc4e5Seric nmx = 1; 2751bafdc4e5Seric mxhosts[0] = hp; 2752e103b48fSeric } 2753e103b48fSeric 2754e103b48fSeric len = 0; 2755e103b48fSeric for (i = 0; i < nmx; i++) 2756e103b48fSeric { 2757e103b48fSeric len += strlen(mxhosts[i]) + 1; 2758e103b48fSeric } 2759bafdc4e5Seric if (s->s_hostsig != NULL) 2760bafdc4e5Seric len += strlen(s->s_hostsig) + 1; 2761bafdc4e5Seric p = xalloc(len); 2762bafdc4e5Seric if (s->s_hostsig != NULL) 2763bafdc4e5Seric { 2764bafdc4e5Seric (void) strcpy(p, s->s_hostsig); 2765bafdc4e5Seric free(s->s_hostsig); 2766bafdc4e5Seric s->s_hostsig = p; 2767bafdc4e5Seric p += strlen(p); 2768bafdc4e5Seric *p++ = ':'; 2769bafdc4e5Seric } 2770bafdc4e5Seric else 2771bafdc4e5Seric s->s_hostsig = p; 2772e103b48fSeric for (i = 0; i < nmx; i++) 2773e103b48fSeric { 2774e103b48fSeric if (i != 0) 2775e103b48fSeric *p++ = ':'; 2776e103b48fSeric strcpy(p, mxhosts[i]); 2777e103b48fSeric p += strlen(p); 2778e103b48fSeric } 2779bafdc4e5Seric if (endp != NULL) 2780bafdc4e5Seric *endp++ = ':'; 2781bafdc4e5Seric } 2782e103b48fSeric makelower(s->s_hostsig); 2783516782b4Seric if (ConfigLevel < 2) 2784516782b4Seric _res.options = oldoptions; 2785e103b48fSeric #else 2786e103b48fSeric /* not using BIND -- the signature is just the host name */ 2787e103b48fSeric s->s_hostsig = host; 2788e103b48fSeric #endif 2789e103b48fSeric if (tTd(17, 1)) 2790e103b48fSeric printf("hostsignature(%s) = %s\n", host, s->s_hostsig); 2791e103b48fSeric return s->s_hostsig; 2792e103b48fSeric } 279364187506Seric /* 279464187506Seric ** SETSTATUS -- set the address status for return messages 279564187506Seric ** 279664187506Seric ** Parameters: 279764187506Seric ** a -- the address to set. 279864187506Seric ** msg -- the text of the message, which must be in standard 279964187506Seric ** SMTP form (3 digits, a space, and a message). 280064187506Seric ** 280164187506Seric ** Returns: 280264187506Seric ** none. 280364187506Seric */ 280464187506Seric 280564187506Seric setstatus(a, msg) 280664187506Seric register ADDRESS *a; 280764187506Seric char *msg; 280864187506Seric { 280964187506Seric char buf[MAXLINE]; 281064187506Seric 281164187506Seric if (a->q_rstatus != NULL) 281264187506Seric free(a->q_rstatus); 281364187506Seric if (strlen(msg) > 4) 281464187506Seric { 281564187506Seric register char *p, *q; 281664187506Seric int parenlev = 0; 281764187506Seric 281864187506Seric strncpy(buf, msg, 4); 281964187506Seric p = &buf[4]; 282064187506Seric *p++ = '('; 282164187506Seric for (q = &msg[4]; *q != '\0'; q++) 282264187506Seric { 282364187506Seric switch (*q) 282464187506Seric { 282564187506Seric case '(': 282664187506Seric parenlev++; 282764187506Seric break; 282864187506Seric 282964187506Seric case ')': 283064187506Seric if (parenlev > 0) 283164187506Seric parenlev--; 283264187506Seric else 283364187506Seric *p++ = '\\'; 283464187506Seric break; 283564187506Seric } 283664187506Seric *p++ = *q; 283764187506Seric } 283864187506Seric while (parenlev-- >= 0) 283964187506Seric *p++ = ')'; 284064187506Seric *p++ = '\0'; 284164187506Seric msg = buf; 284264187506Seric } 284364187506Seric a->q_rstatus = newstr(msg); 284464187506Seric } 2845