14227346bSdist /* 20942ea6aSbostic * Copyright (c) 1983 Eric P. Allman 3e70a7521Sbostic * Copyright (c) 1988 Regents of the University of California. 4e70a7521Sbostic * All rights reserved. 5e70a7521Sbostic * 63bc94712Sbostic * %sccs.include.redist.c% 74227346bSdist */ 84227346bSdist 94227346bSdist #ifndef lint 10*1d8f1806Seric static char sccsid[] = "@(#)deliver.c 5.58 (Berkeley) 07/12/92"; 11e70a7521Sbostic #endif /* not lint */ 124227346bSdist 13fcde9cc8Sbostic #include "sendmail.h" 14911693bfSbostic #include <sys/signal.h> 15c77d1c25Seric #include <sys/stat.h> 16f28da541Smiriam #include <netdb.h> 17fccb3f7aSbostic #include <fcntl.h> 18911693bfSbostic #include <errno.h> 19134746fbSeric #ifdef NAMED_BIND 2012eec323Sbostic #include <sys/param.h> 21912a731aSbostic #include <arpa/nameser.h> 22912a731aSbostic #include <resolv.h> 23134746fbSeric #endif 2425a99e2eSeric 2525a99e2eSeric /* 2613bbc08cSeric ** DELIVER -- Deliver a message to a list of addresses. 2713bbc08cSeric ** 2813bbc08cSeric ** This routine delivers to everyone on the same host as the 2913bbc08cSeric ** user on the head of the list. It is clever about mailers 3013bbc08cSeric ** that don't handle multiple users. It is NOT guaranteed 3113bbc08cSeric ** that it will deliver to all these addresses however -- so 3213bbc08cSeric ** deliver should be called once for each address on the 3313bbc08cSeric ** list. 3425a99e2eSeric ** 3525a99e2eSeric ** Parameters: 36588cad61Seric ** e -- the envelope to deliver. 37c77d1c25Seric ** firstto -- head of the address list to deliver to. 3825a99e2eSeric ** 3925a99e2eSeric ** Returns: 4025a99e2eSeric ** zero -- successfully delivered. 4125a99e2eSeric ** else -- some failure, see ExitStat for more info. 4225a99e2eSeric ** 4325a99e2eSeric ** Side Effects: 4425a99e2eSeric ** The standard input is passed off to someone. 4525a99e2eSeric */ 4625a99e2eSeric 47588cad61Seric deliver(e, firstto) 48588cad61Seric register ENVELOPE *e; 49c77d1c25Seric ADDRESS *firstto; 5025a99e2eSeric { 5178442df3Seric char *host; /* host being sent to */ 5278442df3Seric char *user; /* user being sent to */ 5325a99e2eSeric char **pvp; 545dfc646bSeric register char **mvp; 5525a99e2eSeric register char *p; 56588cad61Seric register MAILER *m; /* mailer for this recipient */ 576259796dSeric ADDRESS *ctladdr; 58b31e7f2bSeric register MCI *mci; 59c77d1c25Seric register ADDRESS *to = firstto; 60c579ef51Seric bool clever = FALSE; /* running user smtp to this mailer */ 61772e6e50Seric ADDRESS *tochain = NULL; /* chain of users in this mailer call */ 62911693bfSbostic int rcode; /* response code */ 63c23ed322Seric char *from; /* pointer to from person */ 64ee6bf8dfSeric char *pv[MAXPV+1]; 65ee6bf8dfSeric char tobuf[MAXLINE-50]; /* text line of to people */ 66ee6bf8dfSeric char buf[MAXNAME]; 67ee6bf8dfSeric char tfrombuf[MAXNAME]; /* translated from person */ 68c23ed322Seric char rpathbuf[MAXNAME]; /* translated return path */ 69ee6bf8dfSeric extern bool checkcompat(); 70ee6bf8dfSeric extern ADDRESS *getctladdr(); 71ee6bf8dfSeric extern char *remotename(); 72b31e7f2bSeric extern MCI *openmailer(); 7325a99e2eSeric 7435490626Seric errno = 0; 75da2935e1Seric if (bitset(QDONTSEND, to->q_flags)) 765dfc646bSeric return (0); 7725a99e2eSeric 78134746fbSeric #ifdef NAMED_BIND 79912a731aSbostic /* unless interactive, try twice, over a minute */ 80912a731aSbostic if (OpMode == MD_DAEMON || OpMode == MD_SMTP) { 81912a731aSbostic _res.retrans = 30; 82912a731aSbostic _res.retry = 2; 83912a731aSbostic } 84d4bd8f0eSbostic #endif 85912a731aSbostic 8651552439Seric m = to->q_mailer; 8751552439Seric host = to->q_host; 8851552439Seric 896ef48975Seric if (tTd(10, 1)) 905dfc646bSeric printf("\n--deliver, mailer=%d, host=`%s', first user=`%s'\n", 9151552439Seric m->m_mno, host, to->q_user); 92f3dbc832Seric 93f3dbc832Seric /* 94f3dbc832Seric ** If this mailer is expensive, and if we don't want to make 95f3dbc832Seric ** connections now, just mark these addresses and return. 96f3dbc832Seric ** This is useful if we want to batch connections to 97f3dbc832Seric ** reduce load. This will cause the messages to be 98f3dbc832Seric ** queued up, and a daemon will come along to send the 99f3dbc832Seric ** messages later. 100f3dbc832Seric ** This should be on a per-mailer basis. 101f3dbc832Seric */ 102f3dbc832Seric 10357fc6f17Seric if (NoConnect && !QueueRun && bitnset(M_EXPENSIVE, m->m_flags) && 104317680d6Seric !Verbose) 105f3dbc832Seric { 106f3dbc832Seric for (; to != NULL; to = to->q_next) 107f4560e80Seric { 108f4560e80Seric if (bitset(QDONTSEND, to->q_flags) || to->q_mailer != m) 109f4560e80Seric continue; 110f3dbc832Seric to->q_flags |= QQUEUEUP|QDONTSEND; 111588cad61Seric e->e_to = to->q_paddr; 112eb238f8cSeric message(Arpa_Info, "queued"); 113eb238f8cSeric if (LogLevel > 4) 114b31e7f2bSeric logdelivery("queued", e); 115f4560e80Seric } 116588cad61Seric e->e_to = NULL; 117f3dbc832Seric return (0); 118f3dbc832Seric } 119f3dbc832Seric 12025a99e2eSeric /* 1215dfc646bSeric ** Do initial argv setup. 1225dfc646bSeric ** Insert the mailer name. Notice that $x expansion is 1235dfc646bSeric ** NOT done on the mailer name. Then, if the mailer has 1245dfc646bSeric ** a picky -f flag, we insert it as appropriate. This 1255dfc646bSeric ** code does not check for 'pv' overflow; this places a 1265dfc646bSeric ** manifest lower limit of 4 for MAXPV. 1273bea8136Seric ** The from address rewrite is expected to make 1283bea8136Seric ** the address relative to the other end. 1295dfc646bSeric */ 1305dfc646bSeric 13178442df3Seric /* rewrite from address, using rewriting rules */ 132c23ed322Seric (void) strcpy(rpathbuf, remotename(e->e_returnpath, m, TRUE, TRUE)); 133c23ed322Seric if (e->e_returnpath == e->e_sender) 134c23ed322Seric { 135c23ed322Seric from = rpathbuf; 136c23ed322Seric } 137c23ed322Seric else 138c23ed322Seric { 139c23ed322Seric (void) strcpy(tfrombuf, remotename(e->e_sender, m, TRUE, TRUE)); 140c23ed322Seric from = tfrombuf; 141c23ed322Seric } 14278442df3Seric 143c23ed322Seric define('f', e->e_returnpath, e); /* raw return path */ 144c23ed322Seric define('<', rpathbuf, e); /* translated return path */ 145c23ed322Seric define('g', from, e); /* translated sender */ 146588cad61Seric define('h', host, e); /* to host */ 1475dfc646bSeric Errors = 0; 1485dfc646bSeric pvp = pv; 1495dfc646bSeric *pvp++ = m->m_argv[0]; 1505dfc646bSeric 1515dfc646bSeric /* insert -f or -r flag as appropriate */ 15257fc6f17Seric if (FromFlag && (bitnset(M_FOPT, m->m_flags) || bitnset(M_ROPT, m->m_flags))) 1535dfc646bSeric { 15457fc6f17Seric if (bitnset(M_FOPT, m->m_flags)) 1555dfc646bSeric *pvp++ = "-f"; 1565dfc646bSeric else 1575dfc646bSeric *pvp++ = "-r"; 158c23ed322Seric *pvp++ = newstr(rpathbuf); 1595dfc646bSeric } 1605dfc646bSeric 1615dfc646bSeric /* 1625dfc646bSeric ** Append the other fixed parts of the argv. These run 1635dfc646bSeric ** up to the first entry containing "$u". There can only 1645dfc646bSeric ** be one of these, and there are only a few more slots 1655dfc646bSeric ** in the pv after it. 1665dfc646bSeric */ 1675dfc646bSeric 1685dfc646bSeric for (mvp = m->m_argv; (p = *++mvp) != NULL; ) 1695dfc646bSeric { 1709b6c17a6Seric while ((p = index(p, '\001')) != NULL) 1715dfc646bSeric if (*++p == 'u') 1725dfc646bSeric break; 1735dfc646bSeric if (p != NULL) 1745dfc646bSeric break; 1755dfc646bSeric 1765dfc646bSeric /* this entry is safe -- go ahead and process it */ 177588cad61Seric expand(*mvp, buf, &buf[sizeof buf - 1], e); 1785dfc646bSeric *pvp++ = newstr(buf); 1795dfc646bSeric if (pvp >= &pv[MAXPV - 3]) 1805dfc646bSeric { 1815dfc646bSeric syserr("Too many parameters to %s before $u", pv[0]); 1825dfc646bSeric return (-1); 1835dfc646bSeric } 1845dfc646bSeric } 185c579ef51Seric 18633db8731Seric /* 18733db8731Seric ** If we have no substitution for the user name in the argument 18833db8731Seric ** list, we know that we must supply the names otherwise -- and 18933db8731Seric ** SMTP is the answer!! 19033db8731Seric */ 19133db8731Seric 1925dfc646bSeric if (*mvp == NULL) 193c579ef51Seric { 194c579ef51Seric /* running SMTP */ 1952c7e1b8dSeric # ifdef SMTP 196c579ef51Seric clever = TRUE; 197c579ef51Seric *pvp = NULL; 1982c7e1b8dSeric # else SMTP 19933db8731Seric /* oops! we don't implement SMTP */ 2002c7e1b8dSeric syserr("SMTP style mailer"); 2012c7e1b8dSeric return (EX_SOFTWARE); 2022c7e1b8dSeric # endif SMTP 203c579ef51Seric } 2045dfc646bSeric 2055dfc646bSeric /* 2065dfc646bSeric ** At this point *mvp points to the argument with $u. We 2075dfc646bSeric ** run through our address list and append all the addresses 2085dfc646bSeric ** we can. If we run out of space, do not fret! We can 2095dfc646bSeric ** always send another copy later. 2105dfc646bSeric */ 2115dfc646bSeric 2125dfc646bSeric tobuf[0] = '\0'; 213588cad61Seric e->e_to = tobuf; 2146259796dSeric ctladdr = NULL; 2155dfc646bSeric for (; to != NULL; to = to->q_next) 2165dfc646bSeric { 2175dfc646bSeric /* avoid sending multiple recipients to dumb mailers */ 21857fc6f17Seric if (tobuf[0] != '\0' && !bitnset(M_MUSER, m->m_flags)) 2195dfc646bSeric break; 2205dfc646bSeric 2215dfc646bSeric /* if already sent or not for this host, don't send */ 222da2935e1Seric if (bitset(QDONTSEND, to->q_flags) || 223da2935e1Seric strcmp(to->q_host, host) != 0 || 224da2935e1Seric to->q_mailer != firstto->q_mailer) 2255dfc646bSeric continue; 2266259796dSeric 2274b22ea87Seric /* avoid overflowing tobuf */ 228aa50a568Sbostic if (sizeof tobuf < (strlen(to->q_paddr) + strlen(tobuf) + 2)) 2294b22ea87Seric break; 2304b22ea87Seric 2316ef48975Seric if (tTd(10, 1)) 232772e6e50Seric { 233772e6e50Seric printf("\nsend to "); 234772e6e50Seric printaddr(to, FALSE); 235772e6e50Seric } 236772e6e50Seric 2376259796dSeric /* compute effective uid/gid when sending */ 2387da1035fSeric if (to->q_mailer == ProgMailer) 2396259796dSeric ctladdr = getctladdr(to); 2406259796dSeric 2415dfc646bSeric user = to->q_user; 242588cad61Seric e->e_to = to->q_paddr; 2435dfc646bSeric to->q_flags |= QDONTSEND; 2445dfc646bSeric 2455dfc646bSeric /* 2465dfc646bSeric ** Check to see that these people are allowed to 2475dfc646bSeric ** talk to each other. 2482a6e0786Seric */ 2492a6e0786Seric 25069582d2fSeric if (m->m_maxsize != 0 && e->e_msgsize > m->m_maxsize) 25169582d2fSeric { 25269582d2fSeric NoReturn = TRUE; 253672bec4aSeric usrerr("Message is too large; %ld bytes max", m->m_maxsize); 25469582d2fSeric giveresponse(EX_UNAVAILABLE, m, e); 25569582d2fSeric continue; 25669582d2fSeric } 2572a6e0786Seric if (!checkcompat(to)) 2585dfc646bSeric { 259198d9be0Seric giveresponse(EX_UNAVAILABLE, m, e); 2605dfc646bSeric continue; 2615dfc646bSeric } 2622a6e0786Seric 2632a6e0786Seric /* 2649ec9501bSeric ** Strip quote bits from names if the mailer is dumb 2659ec9501bSeric ** about them. 26625a99e2eSeric */ 26725a99e2eSeric 26857fc6f17Seric if (bitnset(M_STRIPQ, m->m_flags)) 26925a99e2eSeric { 270*1d8f1806Seric stripquotes(user); 271*1d8f1806Seric stripquotes(host); 27225a99e2eSeric } 27325a99e2eSeric 274cdb828c5Seric /* hack attack -- delivermail compatibility */ 275cdb828c5Seric if (m == ProgMailer && *user == '|') 276cdb828c5Seric user++; 277cdb828c5Seric 27825a99e2eSeric /* 2793efaed6eSeric ** If an error message has already been given, don't 2803efaed6eSeric ** bother to send to this address. 2813efaed6eSeric ** 2823efaed6eSeric ** >>>>>>>>>> This clause assumes that the local mailer 2833efaed6eSeric ** >> NOTE >> cannot do any further aliasing; that 2843efaed6eSeric ** >>>>>>>>>> function is subsumed by sendmail. 2853efaed6eSeric */ 2863efaed6eSeric 2876cae517dSeric if (bitset(QBADADDR|QQUEUEUP, to->q_flags)) 2883efaed6eSeric continue; 2893efaed6eSeric 290f2fec898Seric /* save statistics.... */ 291588cad61Seric markstats(e, to); 292f2fec898Seric 2933efaed6eSeric /* 29425a99e2eSeric ** See if this user name is "special". 29525a99e2eSeric ** If the user name has a slash in it, assume that this 29651552439Seric ** is a file -- send it off without further ado. Note 29751552439Seric ** that this type of addresses is not processed along 29851552439Seric ** with the others, so we fudge on the To person. 29925a99e2eSeric */ 30025a99e2eSeric 3017da1035fSeric if (m == LocalMailer) 30225a99e2eSeric { 303a49f24c0Seric if (user[0] == '/') 30425a99e2eSeric { 305b31e7f2bSeric rcode = mailfile(user, getctladdr(to), e); 306198d9be0Seric giveresponse(rcode, m, e); 307dde5acadSeric if (rcode == EX_OK) 308dde5acadSeric to->q_flags |= QSENT; 3095dfc646bSeric continue; 31025a99e2eSeric } 31125a99e2eSeric } 31225a99e2eSeric 31313bbc08cSeric /* 31413bbc08cSeric ** Address is verified -- add this user to mailer 31513bbc08cSeric ** argv, and add it to the print list of recipients. 31613bbc08cSeric */ 31713bbc08cSeric 318508daeccSeric /* link together the chain of recipients */ 319508daeccSeric to->q_tchain = tochain; 320508daeccSeric tochain = to; 321508daeccSeric 3225dfc646bSeric /* create list of users for error messages */ 323db8841e9Seric (void) strcat(tobuf, ","); 324db8841e9Seric (void) strcat(tobuf, to->q_paddr); 325588cad61Seric define('u', user, e); /* to user */ 326588cad61Seric define('z', to->q_home, e); /* user's home */ 3275dfc646bSeric 328c579ef51Seric /* 329508daeccSeric ** Expand out this user into argument list. 330c579ef51Seric */ 331c579ef51Seric 332508daeccSeric if (!clever) 333c579ef51Seric { 334588cad61Seric expand(*mvp, buf, &buf[sizeof buf - 1], e); 3355dfc646bSeric *pvp++ = newstr(buf); 3365dfc646bSeric if (pvp >= &pv[MAXPV - 2]) 3375dfc646bSeric { 3385dfc646bSeric /* allow some space for trailing parms */ 3395dfc646bSeric break; 3405dfc646bSeric } 3415dfc646bSeric } 342c579ef51Seric } 3435dfc646bSeric 344145b49b1Seric /* see if any addresses still exist */ 345145b49b1Seric if (tobuf[0] == '\0') 346c579ef51Seric { 347588cad61Seric define('g', (char *) NULL, e); 348c23ed322Seric define('<', (char *) NULL, e); 349145b49b1Seric return (0); 350c579ef51Seric } 351145b49b1Seric 3525dfc646bSeric /* print out messages as full list */ 35363780dbdSeric e->e_to = tobuf + 1; 3545dfc646bSeric 3555dfc646bSeric /* 3565dfc646bSeric ** Fill out any parameters after the $u parameter. 3575dfc646bSeric */ 3585dfc646bSeric 359c579ef51Seric while (!clever && *++mvp != NULL) 3605dfc646bSeric { 361588cad61Seric expand(*mvp, buf, &buf[sizeof buf - 1], e); 3625dfc646bSeric *pvp++ = newstr(buf); 3635dfc646bSeric if (pvp >= &pv[MAXPV]) 3645dfc646bSeric syserr("deliver: pv overflow after $u for %s", pv[0]); 3655dfc646bSeric } 3665dfc646bSeric *pvp++ = NULL; 3675dfc646bSeric 36825a99e2eSeric /* 36925a99e2eSeric ** Call the mailer. 3706328bdf7Seric ** The argument vector gets built, pipes 37125a99e2eSeric ** are created as necessary, and we fork & exec as 3726328bdf7Seric ** appropriate. 373c579ef51Seric ** If we are running SMTP, we just need to clean up. 37425a99e2eSeric */ 37525a99e2eSeric 37686b26461Seric if (ctladdr == NULL) 37786b26461Seric ctladdr = &e->e_from; 378134746fbSeric #ifdef NAMED_BIND 3792bcc6d2dSeric if (ConfigLevel < 2) 380912a731aSbostic _res.options &= ~(RES_DEFNAMES | RES_DNSRCH); /* XXX */ 381134746fbSeric #endif 382b31e7f2bSeric mci = openmailer(m, pv, ctladdr, clever, e); 383b31e7f2bSeric if (mci == NULL) 384134746fbSeric { 385b31e7f2bSeric /* catastrophic error */ 386b31e7f2bSeric rcode = -1; 387b31e7f2bSeric goto give_up; 388b31e7f2bSeric } 389b31e7f2bSeric else if (mci->mci_state != MCIS_OPEN) 390b31e7f2bSeric { 391b31e7f2bSeric /* couldn't open the mailer */ 392b31e7f2bSeric rcode = mci->mci_exitstat; 393b31e7f2bSeric if (rcode == EX_OK) 394b31e7f2bSeric { 395b31e7f2bSeric /* shouldn't happen */ 396b31e7f2bSeric rcode = EX_SOFTWARE; 397b31e7f2bSeric } 398b31e7f2bSeric } 399b31e7f2bSeric else if (!clever) 400b31e7f2bSeric { 401b31e7f2bSeric /* 402b31e7f2bSeric ** Format and send message. 403b31e7f2bSeric */ 40415d084d5Seric 405b31e7f2bSeric putfromline(mci->mci_out, m, e); 406b31e7f2bSeric (*e->e_puthdr)(mci->mci_out, m, e); 407b31e7f2bSeric putline("\n", mci->mci_out, m); 408b31e7f2bSeric (*e->e_putbody)(mci->mci_out, m, e); 409b31e7f2bSeric 410b31e7f2bSeric /* get the exit status */ 411b31e7f2bSeric rcode = endmailer(mci, pv[0]); 412134746fbSeric } 413134746fbSeric else 414b31e7f2bSeric #ifdef SMTP 415134746fbSeric { 416b31e7f2bSeric /* 417b31e7f2bSeric ** Send the MAIL FROM: protocol 418b31e7f2bSeric */ 41915d084d5Seric 420b31e7f2bSeric rcode = smtpmailfrom(m, mci, e); 421b31e7f2bSeric if (rcode == EX_OK) 42275889e88Seric { 423ded0d3daSkarels register char *t = tobuf; 424ded0d3daSkarels register int i; 425ded0d3daSkarels 426588cad61Seric /* send the recipient list */ 42763780dbdSeric tobuf[0] = '\0'; 42875889e88Seric for (to = tochain; to != NULL; to = to->q_tchain) 42975889e88Seric { 43063780dbdSeric e->e_to = to->q_paddr; 43115d084d5Seric if ((i = smtprcpt(to, m, mci, e)) != EX_OK) 43275889e88Seric { 43383b7ddc9Seric markfailure(e, to, i); 434198d9be0Seric giveresponse(i, m, e); 43563780dbdSeric } 43675889e88Seric else 43775889e88Seric { 438911693bfSbostic *t++ = ','; 439b31e7f2bSeric for (p = to->q_paddr; *p; *t++ = *p++) 440b31e7f2bSeric continue; 441588cad61Seric } 442588cad61Seric } 443588cad61Seric 44463780dbdSeric /* now send the data */ 44563780dbdSeric if (tobuf[0] == '\0') 446b31e7f2bSeric { 44763780dbdSeric e->e_to = NULL; 448b31e7f2bSeric if (bitset(MCIF_CACHED, mci->mci_flags)) 449b31e7f2bSeric smtprset(m, mci, e); 450b31e7f2bSeric } 45175889e88Seric else 45275889e88Seric { 45363780dbdSeric e->e_to = tobuf + 1; 45475889e88Seric rcode = smtpdata(m, mci, e); 45563780dbdSeric } 45663780dbdSeric 45763780dbdSeric /* now close the connection */ 458b31e7f2bSeric if (!bitset(MCIF_CACHED, mci->mci_flags)) 45915d084d5Seric smtpquit(m, mci, e); 46063780dbdSeric } 461c579ef51Seric } 462b31e7f2bSeric #else /* not SMTP */ 463a05b3449Sbostic { 464b31e7f2bSeric syserr("deliver: need SMTP compiled to use clever mailer"); 465b31e7f2bSeric rcode = -1; 466b31e7f2bSeric goto give_up; 467a05b3449Sbostic } 468b31e7f2bSeric #endif /* SMTP */ 469134746fbSeric #ifdef NAMED_BIND 4702bcc6d2dSeric if (ConfigLevel < 2) 471912a731aSbostic _res.options |= RES_DEFNAMES | RES_DNSRCH; /* XXX */ 472134746fbSeric #endif 4735dfc646bSeric 474b31e7f2bSeric /* arrange a return receipt if requested */ 475b31e7f2bSeric if (e->e_receiptto != NULL && bitnset(M_LOCAL, m->m_flags)) 476b31e7f2bSeric { 477b31e7f2bSeric e->e_flags |= EF_SENDRECEIPT; 478b31e7f2bSeric /* do we want to send back more info? */ 479b31e7f2bSeric } 480b31e7f2bSeric 481c77d1c25Seric /* 48263780dbdSeric ** Do final status disposal. 48363780dbdSeric ** We check for something in tobuf for the SMTP case. 484c77d1c25Seric ** If we got a temporary failure, arrange to queue the 485c77d1c25Seric ** addressees. 486c77d1c25Seric */ 487c77d1c25Seric 488b31e7f2bSeric give_up: 48963780dbdSeric if (tobuf[0] != '\0') 490198d9be0Seric giveresponse(rcode, m, e); 491772e6e50Seric for (to = tochain; to != NULL; to = to->q_tchain) 492b31e7f2bSeric { 493dde5acadSeric if (rcode != EX_OK) 49483b7ddc9Seric markfailure(e, to, rcode); 495dde5acadSeric else 496dde5acadSeric to->q_flags |= QSENT; 497b31e7f2bSeric } 498b31e7f2bSeric 499b31e7f2bSeric /* 500b31e7f2bSeric ** Restore state and return. 501b31e7f2bSeric */ 502c77d1c25Seric 50335490626Seric errno = 0; 504588cad61Seric define('g', (char *) NULL, e); 505c23ed322Seric define('<', (char *) NULL, e); 5065826d9d3Seric return (rcode); 50725a99e2eSeric } 5085dfc646bSeric /* 50983b7ddc9Seric ** MARKFAILURE -- mark a failure on a specific address. 51083b7ddc9Seric ** 51183b7ddc9Seric ** Parameters: 51283b7ddc9Seric ** e -- the envelope we are sending. 51383b7ddc9Seric ** q -- the address to mark. 51483b7ddc9Seric ** rcode -- the code signifying the particular failure. 51583b7ddc9Seric ** 51683b7ddc9Seric ** Returns: 51783b7ddc9Seric ** none. 51883b7ddc9Seric ** 51983b7ddc9Seric ** Side Effects: 52083b7ddc9Seric ** marks the address (and possibly the envelope) with the 52183b7ddc9Seric ** failure so that an error will be returned or 52283b7ddc9Seric ** the message will be queued, as appropriate. 52383b7ddc9Seric */ 52483b7ddc9Seric 52583b7ddc9Seric markfailure(e, q, rcode) 52683b7ddc9Seric register ENVELOPE *e; 52783b7ddc9Seric register ADDRESS *q; 52883b7ddc9Seric int rcode; 52983b7ddc9Seric { 53083b7ddc9Seric if (rcode == EX_OK) 53183b7ddc9Seric return; 532ef137175Sbostic else if (rcode != EX_TEMPFAIL && rcode != EX_IOERR && rcode != EX_OSERR) 53383b7ddc9Seric q->q_flags |= QBADADDR; 53483b7ddc9Seric else if (curtime() > e->e_ctime + TimeOut) 53583b7ddc9Seric { 53683b7ddc9Seric extern char *pintvl(); 537198d9be0Seric char buf[MAXLINE]; 53883b7ddc9Seric 53983b7ddc9Seric if (!bitset(EF_TIMEOUT, e->e_flags)) 540198d9be0Seric { 541198d9be0Seric (void) sprintf(buf, "Cannot send message for %s", 54283b7ddc9Seric pintvl(TimeOut, FALSE)); 543198d9be0Seric if (e->e_message != NULL) 544198d9be0Seric free(e->e_message); 545198d9be0Seric e->e_message = newstr(buf); 546198d9be0Seric message(Arpa_Info, buf); 547198d9be0Seric } 54883b7ddc9Seric q->q_flags |= QBADADDR; 54983b7ddc9Seric e->e_flags |= EF_TIMEOUT; 55083b7ddc9Seric } 55183b7ddc9Seric else 55283b7ddc9Seric q->q_flags |= QQUEUEUP; 55383b7ddc9Seric } 55483b7ddc9Seric /* 55532d19d43Seric ** DOFORK -- do a fork, retrying a couple of times on failure. 55632d19d43Seric ** 55732d19d43Seric ** This MUST be a macro, since after a vfork we are running 55832d19d43Seric ** two processes on the same stack!!! 55932d19d43Seric ** 56032d19d43Seric ** Parameters: 56132d19d43Seric ** none. 56232d19d43Seric ** 56332d19d43Seric ** Returns: 56432d19d43Seric ** From a macro??? You've got to be kidding! 56532d19d43Seric ** 56632d19d43Seric ** Side Effects: 56732d19d43Seric ** Modifies the ==> LOCAL <== variable 'pid', leaving: 56832d19d43Seric ** pid of child in parent, zero in child. 56932d19d43Seric ** -1 on unrecoverable error. 57032d19d43Seric ** 57132d19d43Seric ** Notes: 57232d19d43Seric ** I'm awfully sorry this looks so awful. That's 57332d19d43Seric ** vfork for you..... 57432d19d43Seric */ 57532d19d43Seric 57632d19d43Seric # define NFORKTRIES 5 57784f7cd1bSeric 57884f7cd1bSeric # ifndef FORK 57984f7cd1bSeric # define FORK fork 58084f7cd1bSeric # endif 58132d19d43Seric 58232d19d43Seric # define DOFORK(fORKfN) \ 58332d19d43Seric {\ 58432d19d43Seric register int i;\ 58532d19d43Seric \ 58611799049Seric for (i = NFORKTRIES; --i >= 0; )\ 58732d19d43Seric {\ 58832d19d43Seric pid = fORKfN();\ 58932d19d43Seric if (pid >= 0)\ 59032d19d43Seric break;\ 59111799049Seric if (i > 0)\ 5926c4635f6Seric sleep((unsigned) NFORKTRIES - i);\ 59332d19d43Seric }\ 59432d19d43Seric } 59532d19d43Seric /* 5962ed72599Seric ** DOFORK -- simple fork interface to DOFORK. 5972ed72599Seric ** 5982ed72599Seric ** Parameters: 5992ed72599Seric ** none. 6002ed72599Seric ** 6012ed72599Seric ** Returns: 6022ed72599Seric ** pid of child in parent. 6032ed72599Seric ** zero in child. 6042ed72599Seric ** -1 on error. 6052ed72599Seric ** 6062ed72599Seric ** Side Effects: 6072ed72599Seric ** returns twice, once in parent and once in child. 6082ed72599Seric */ 6092ed72599Seric 6102ed72599Seric dofork() 6112ed72599Seric { 6122ed72599Seric register int pid; 6132ed72599Seric 6142ed72599Seric DOFORK(fork); 6152ed72599Seric return (pid); 6162ed72599Seric } 6172ed72599Seric /* 618c579ef51Seric ** ENDMAILER -- Wait for mailer to terminate. 619c579ef51Seric ** 620c579ef51Seric ** We should never get fatal errors (e.g., segmentation 621c579ef51Seric ** violation), so we report those specially. For other 622c579ef51Seric ** errors, we choose a status message (into statmsg), 623c579ef51Seric ** and if it represents an error, we print it. 624c579ef51Seric ** 625c579ef51Seric ** Parameters: 626c579ef51Seric ** pid -- pid of mailer. 627c579ef51Seric ** name -- name of mailer (for error messages). 628c579ef51Seric ** 629c579ef51Seric ** Returns: 630c579ef51Seric ** exit code of mailer. 631c579ef51Seric ** 632c579ef51Seric ** Side Effects: 633c579ef51Seric ** none. 634c579ef51Seric */ 635c579ef51Seric 63675889e88Seric endmailer(mci, name) 637b31e7f2bSeric register MCI *mci; 638c579ef51Seric char *name; 639c579ef51Seric { 640588cad61Seric int st; 641c579ef51Seric 64275889e88Seric /* close any connections */ 64375889e88Seric if (mci->mci_in != NULL) 64475889e88Seric (void) fclose(mci->mci_in); 64575889e88Seric if (mci->mci_out != NULL) 64675889e88Seric (void) fclose(mci->mci_out); 64775889e88Seric mci->mci_in = mci->mci_out = NULL; 64875889e88Seric mci->mci_state = MCIS_CLOSED; 64975889e88Seric 65033db8731Seric /* in the IPC case there is nothing to wait for */ 65175889e88Seric if (mci->mci_pid == 0) 65233db8731Seric return (EX_OK); 65333db8731Seric 65433db8731Seric /* wait for the mailer process to die and collect status */ 65575889e88Seric st = waitfor(mci->mci_pid); 656588cad61Seric if (st == -1) 65778de67c1Seric { 658588cad61Seric syserr("endmailer %s: wait", name); 659588cad61Seric return (EX_SOFTWARE); 660c579ef51Seric } 66133db8731Seric 66233db8731Seric /* see if it died a horrid death */ 663c579ef51Seric if ((st & 0377) != 0) 664c579ef51Seric { 6655f73204aSeric syserr("mailer %s died with signal %o", name, st); 6665f73204aSeric ExitStat = EX_TEMPFAIL; 6675f73204aSeric return (EX_TEMPFAIL); 668c579ef51Seric } 66933db8731Seric 67033db8731Seric /* normal death -- return status */ 671588cad61Seric st = (st >> 8) & 0377; 672588cad61Seric return (st); 673c579ef51Seric } 674c579ef51Seric /* 675c579ef51Seric ** OPENMAILER -- open connection to mailer. 676c579ef51Seric ** 677c579ef51Seric ** Parameters: 678c579ef51Seric ** m -- mailer descriptor. 679c579ef51Seric ** pvp -- parameter vector to pass to mailer. 680c579ef51Seric ** ctladdr -- controlling address for user. 681c579ef51Seric ** clever -- create a full duplex connection. 682c579ef51Seric ** 683c579ef51Seric ** Returns: 68475889e88Seric ** The mail connection info struct for this connection. 68575889e88Seric ** NULL on failure. 686c579ef51Seric ** 687c579ef51Seric ** Side Effects: 688c579ef51Seric ** creates a mailer in a subprocess. 689c579ef51Seric */ 690c579ef51Seric 691b31e7f2bSeric MCI * 692b31e7f2bSeric openmailer(m, pvp, ctladdr, clever, e) 693588cad61Seric MAILER *m; 694c579ef51Seric char **pvp; 695c579ef51Seric ADDRESS *ctladdr; 696c579ef51Seric bool clever; 697b31e7f2bSeric ENVELOPE *e; 698c579ef51Seric { 6995dfc646bSeric int pid; 700b31e7f2bSeric register MCI *mci; 701f8952a83Seric int mpvect[2]; 702c579ef51Seric int rpvect[2]; 7035dfc646bSeric extern FILE *fdopen(); 7045dfc646bSeric 7056ef48975Seric if (tTd(11, 1)) 7065dfc646bSeric { 7078c57e552Seric printf("openmailer:"); 7085dfc646bSeric printav(pvp); 7095dfc646bSeric } 71035490626Seric errno = 0; 7115dfc646bSeric 712ef66a9d0Seric CurHostName = m->m_mailer; 713ef66a9d0Seric 71433db8731Seric /* 71533db8731Seric ** Deal with the special case of mail handled through an IPC 71633db8731Seric ** connection. 71733db8731Seric ** In this case we don't actually fork. We must be 71833db8731Seric ** running SMTP for this to work. We will return a 71933db8731Seric ** zero pid to indicate that we are running IPC. 720e7c1bd78Seric ** We also handle a debug version that just talks to stdin/out. 72133db8731Seric */ 72233db8731Seric 723e7c1bd78Seric /* check for Local Person Communication -- not for mortals!!! */ 724e7c1bd78Seric if (strcmp(m->m_mailer, "[LPC]") == 0) 725e7c1bd78Seric { 726b31e7f2bSeric mci = (MCI *) xalloc(sizeof *mci); 72775889e88Seric mci->mci_in = stdin; 72875889e88Seric mci->mci_out = stdout; 72975889e88Seric mci->mci_pid = 0; 730b31e7f2bSeric mci->mci_state = clever ? MCIS_OPENING : MCIS_OPEN; 73115d084d5Seric mci->mci_mailer = m; 732b31e7f2bSeric mci->mci_flags = 0; 733e7c1bd78Seric } 734b31e7f2bSeric else if (strcmp(m->m_mailer, "[IPC]") == 0 || 735914346b1Seric strcmp(m->m_mailer, "[TCP]") == 0) 73633db8731Seric { 73784f7cd1bSeric #ifdef DAEMON 7385f73204aSeric register STAB *st; 7395f73204aSeric extern STAB *stab(); 740ebc61751Sbloom register int i, j; 7411277f9a8Seric register u_short port; 742b31e7f2bSeric int nmx; 743b31e7f2bSeric char *mxhosts[MAXMXHOSTS + 1]; 744b31e7f2bSeric extern MCI *mci_get(); 74533db8731Seric 746ef66a9d0Seric CurHostName = pvp[1]; 747b31e7f2bSeric #ifdef NAMED_BIND 748b31e7f2bSeric if (CurHostName != NULL && CurHostName[0] != '\0' && 749b31e7f2bSeric CurHostName[0] != '[') 750b31e7f2bSeric { 751b31e7f2bSeric int rcode; 752b31e7f2bSeric char buf[MAXNAME]; 753b31e7f2bSeric 754b31e7f2bSeric expand("\001j", buf, &buf[sizeof(buf) - 1], e); 755b31e7f2bSeric nmx = getmxrr(CurHostName, mxhosts, buf, &rcode); 756b31e7f2bSeric if (nmx < 0) 757b31e7f2bSeric { 758b31e7f2bSeric mci = mci_get(CurHostName, m); 759b31e7f2bSeric mci->mci_exitstat = rcode; 760b31e7f2bSeric mci->mci_errno = errno; 761b31e7f2bSeric } 762b31e7f2bSeric } 763b31e7f2bSeric else 764b31e7f2bSeric #endif 765b31e7f2bSeric { 766b31e7f2bSeric nmx = 1; 767b31e7f2bSeric mxhosts[0] = CurHostName; 768b31e7f2bSeric } 769b31e7f2bSeric 77033db8731Seric if (!clever) 77133db8731Seric syserr("non-clever IPC"); 77293b6e3cfSeric if (pvp[2] != NULL) 7731277f9a8Seric port = atoi(pvp[2]); 77493b6e3cfSeric else 7751277f9a8Seric port = 0; 776b31e7f2bSeric for (j = 0; j < nmx; j++) 777ebc61751Sbloom { 77845a8316eSeric /* see if we already know that this host is fried */ 779b31e7f2bSeric CurHostName = mxhosts[j]; 780b31e7f2bSeric mci = mci_get(CurHostName, m); 781b31e7f2bSeric if (mci->mci_state != MCIS_CLOSED) 78275889e88Seric return mci; 78315d084d5Seric mci->mci_mailer = m; 784b31e7f2bSeric if (mci->mci_exitstat != EX_OK) 785b31e7f2bSeric continue; 786b31e7f2bSeric 78775889e88Seric /* try the connection */ 788b31e7f2bSeric setproctitle("%s %s: %s", e->e_id, mxhosts[1], "user open"); 789914346b1Seric message(Arpa_Info, "Connecting to %s (%s)...", 790b31e7f2bSeric mxhosts[j], m->m_name); 791b31e7f2bSeric i = makeconnection(mxhosts[j], port, mci, 792914346b1Seric bitnset(M_SECURE_PORT, m->m_flags)); 79375889e88Seric mci->mci_exitstat = i; 79475889e88Seric mci->mci_errno = errno; 79575889e88Seric if (i == EX_OK) 796b31e7f2bSeric { 797b31e7f2bSeric mci->mci_state = MCIS_OPENING; 798b31e7f2bSeric mci_cache(mci); 799b31e7f2bSeric break; 800b31e7f2bSeric } 801b31e7f2bSeric else if (tTd(11, 1)) 802b31e7f2bSeric printf("openmailer: makeconnection => stat=%d, errno=%d\n", 803b31e7f2bSeric i, errno); 804b31e7f2bSeric 80575889e88Seric 8065f73204aSeric /* enter status of this host */ 80775889e88Seric setstat(i); 808ed854c7bSeric } 809b31e7f2bSeric #else /* no DAEMON */ 810588cad61Seric syserr("openmailer: no IPC"); 81175889e88Seric return NULL; 812b31e7f2bSeric #endif /* DAEMON */ 813588cad61Seric } 814b31e7f2bSeric else 815b31e7f2bSeric { 8166328bdf7Seric /* create a pipe to shove the mail through */ 817f8952a83Seric if (pipe(mpvect) < 0) 81825a99e2eSeric { 819588cad61Seric syserr("openmailer: pipe (to mailer)"); 82075889e88Seric return NULL; 82125a99e2eSeric } 822c579ef51Seric 823c579ef51Seric /* if this mailer speaks smtp, create a return pipe */ 824c579ef51Seric if (clever && pipe(rpvect) < 0) 825c579ef51Seric { 826588cad61Seric syserr("openmailer: pipe (from mailer)"); 827c579ef51Seric (void) close(mpvect[0]); 828c579ef51Seric (void) close(mpvect[1]); 82975889e88Seric return NULL; 830c579ef51Seric } 831c579ef51Seric 83233db8731Seric /* 83333db8731Seric ** Actually fork the mailer process. 83433db8731Seric ** DOFORK is clever about retrying. 8356984bfddSeric ** 8366984bfddSeric ** Dispose of SIGCHLD signal catchers that may be laying 8376984bfddSeric ** around so that endmail will get it. 83833db8731Seric */ 83933db8731Seric 840b31e7f2bSeric if (e->e_xfp != NULL) 841b31e7f2bSeric (void) fflush(e->e_xfp); /* for debugging */ 842588cad61Seric (void) fflush(stdout); 8436984bfddSeric # ifdef SIGCHLD 8446984bfddSeric (void) signal(SIGCHLD, SIG_DFL); 8456984bfddSeric # endif SIGCHLD 84684f7cd1bSeric DOFORK(FORK); 847f129ec7dSeric /* pid is set by DOFORK */ 84825a99e2eSeric if (pid < 0) 84925a99e2eSeric { 85033db8731Seric /* failure */ 851588cad61Seric syserr("openmailer: cannot fork"); 852f8952a83Seric (void) close(mpvect[0]); 853f8952a83Seric (void) close(mpvect[1]); 854c579ef51Seric if (clever) 855c579ef51Seric { 856c579ef51Seric (void) close(rpvect[0]); 857c579ef51Seric (void) close(rpvect[1]); 858c579ef51Seric } 85975889e88Seric return NULL; 86025a99e2eSeric } 86125a99e2eSeric else if (pid == 0) 86225a99e2eSeric { 86313088b9fSeric int i; 8645f73204aSeric extern int DtableSize; 86513088b9fSeric 86625a99e2eSeric /* child -- set up input & exec mailer */ 86703ab8e55Seric /* make diagnostic output be standard output */ 8688f0e7860Seric (void) signal(SIGINT, SIG_IGN); 8698f0e7860Seric (void) signal(SIGHUP, SIG_IGN); 8700984da9fSeric (void) signal(SIGTERM, SIG_DFL); 871f8952a83Seric 872b31e7f2bSeric /* arrange to filter std & diag output of command */ 873c579ef51Seric if (clever) 874c579ef51Seric { 875c579ef51Seric (void) close(rpvect[0]); 876c579ef51Seric (void) close(1); 877c579ef51Seric (void) dup(rpvect[1]); 878c579ef51Seric (void) close(rpvect[1]); 879c579ef51Seric } 880276723a8Seric else if (OpMode == MD_SMTP || HoldErrs) 881f8952a83Seric { 882588cad61Seric /* put mailer output in transcript */ 883f8952a83Seric (void) close(1); 884b31e7f2bSeric (void) dup(fileno(e->e_xfp)); 885f8952a83Seric } 886db8841e9Seric (void) close(2); 887db8841e9Seric (void) dup(1); 888f8952a83Seric 889f8952a83Seric /* arrange to get standard input */ 890f8952a83Seric (void) close(mpvect[1]); 891db8841e9Seric (void) close(0); 892f8952a83Seric if (dup(mpvect[0]) < 0) 89325a99e2eSeric { 89425a99e2eSeric syserr("Cannot dup to zero!"); 895a590b978Seric _exit(EX_OSERR); 89625a99e2eSeric } 897f8952a83Seric (void) close(mpvect[0]); 89857fc6f17Seric if (!bitnset(M_RESTR, m->m_flags)) 8990984da9fSeric { 90053e3fa05Seric if (ctladdr == NULL || ctladdr->q_uid == 0) 901e36b99e2Seric { 902e36b99e2Seric (void) setgid(DefGid); 903898a126bSbostic (void) initgroups(DefUser, DefGid); 904e36b99e2Seric (void) setuid(DefUid); 905e36b99e2Seric } 906e36b99e2Seric else 90769f29479Seric { 908e36b99e2Seric (void) setgid(ctladdr->q_gid); 909898a126bSbostic (void) initgroups(ctladdr->q_ruser? 910898a126bSbostic ctladdr->q_ruser: ctladdr->q_user, 911898a126bSbostic ctladdr->q_gid); 912e36b99e2Seric (void) setuid(ctladdr->q_uid); 91369f29479Seric } 9140984da9fSeric } 915588cad61Seric 91613088b9fSeric /* arrange for all the files to be closed */ 917b31e7f2bSeric for (i = 3; i < DtableSize; i++) 918b31e7f2bSeric { 919fccb3f7aSbostic register int j; 920fccb3f7aSbostic if ((j = fcntl(i, F_GETFD, 0)) != -1) 921fccb3f7aSbostic (void)fcntl(i, F_SETFD, j|1); 922fccb3f7aSbostic } 92333db8731Seric 92433db8731Seric /* try to execute the mailer */ 9255df317aaSeric execve(m->m_mailer, pvp, UserEnviron); 92613088b9fSeric syserr("Cannot exec %s", m->m_mailer); 92795b76e4bSeric if (m == LocalMailer) 92855f33c03Seric _exit(EX_TEMPFAIL); 92995b76e4bSeric switch (errno) 93095b76e4bSeric { 93195b76e4bSeric case EIO: 93295b76e4bSeric case EAGAIN: 93395b76e4bSeric case ENOMEM: 93495b76e4bSeric # ifdef EPROCLIM 93595b76e4bSeric case EPROCLIM: 93695b76e4bSeric # endif 93795b76e4bSeric _exit(EX_TEMPFAIL); 93895b76e4bSeric } 939a590b978Seric _exit(EX_UNAVAILABLE); 94025a99e2eSeric } 94125a99e2eSeric 942f8952a83Seric /* 943c579ef51Seric ** Set up return value. 944f8952a83Seric */ 945f8952a83Seric 946b31e7f2bSeric mci = (MCI *) xalloc(sizeof *mci); 94715d084d5Seric mci->mci_mailer = m; 948b31e7f2bSeric mci->mci_state = clever ? MCIS_OPENING : MCIS_OPEN; 949f8952a83Seric (void) close(mpvect[0]); 95075889e88Seric mci->mci_out = fdopen(mpvect[1], "w"); 951c579ef51Seric if (clever) 95225a99e2eSeric { 953c579ef51Seric (void) close(rpvect[1]); 95475889e88Seric mci->mci_in = fdopen(rpvect[0], "r"); 95575889e88Seric } 95675889e88Seric else 95775889e88Seric { 95875889e88Seric mci->mci_flags |= MCIF_TEMP; 95975889e88Seric mci->mci_in = NULL; 96075889e88Seric } 961b31e7f2bSeric } 962b31e7f2bSeric 963b31e7f2bSeric /* 964b31e7f2bSeric ** If we are in SMTP opening state, send initial protocol. 965b31e7f2bSeric */ 966b31e7f2bSeric 967b31e7f2bSeric if (clever && mci->mci_state != MCIS_CLOSED) 968b31e7f2bSeric { 969b31e7f2bSeric smtpinit(m, mci, e); 970b31e7f2bSeric } 971c579ef51Seric 97275889e88Seric return mci; 97325a99e2eSeric } 97425a99e2eSeric /* 97525a99e2eSeric ** GIVERESPONSE -- Interpret an error response from a mailer 97625a99e2eSeric ** 97725a99e2eSeric ** Parameters: 97825a99e2eSeric ** stat -- the status code from the mailer (high byte 97925a99e2eSeric ** only; core dumps must have been taken care of 98025a99e2eSeric ** already). 98125a99e2eSeric ** m -- the mailer descriptor for this mailer. 98225a99e2eSeric ** 98325a99e2eSeric ** Returns: 984db8841e9Seric ** none. 98525a99e2eSeric ** 98625a99e2eSeric ** Side Effects: 987c1f9df2cSeric ** Errors may be incremented. 98825a99e2eSeric ** ExitStat may be set. 98925a99e2eSeric */ 99025a99e2eSeric 991198d9be0Seric giveresponse(stat, m, e) 99225a99e2eSeric int stat; 993588cad61Seric register MAILER *m; 994198d9be0Seric ENVELOPE *e; 99525a99e2eSeric { 99625a99e2eSeric register char *statmsg; 99725a99e2eSeric extern char *SysExMsg[]; 99825a99e2eSeric register int i; 999d4bd8f0eSbostic extern int N_SysEx; 1000d4bd8f0eSbostic #ifdef NAMED_BIND 1001d4bd8f0eSbostic extern int h_errno; 1002d4bd8f0eSbostic #endif 1003198d9be0Seric char buf[MAXLINE]; 100425a99e2eSeric 10057d1fc79dSeric #ifdef lint 10067d1fc79dSeric if (m == NULL) 10077d1fc79dSeric return; 10087d1fc79dSeric #endif lint 10097d1fc79dSeric 101013bbc08cSeric /* 101113bbc08cSeric ** Compute status message from code. 101213bbc08cSeric */ 101313bbc08cSeric 101425a99e2eSeric i = stat - EX__BASE; 1015588cad61Seric if (stat == 0) 1016588cad61Seric statmsg = "250 Sent"; 1017588cad61Seric else if (i < 0 || i > N_SysEx) 1018588cad61Seric { 1019588cad61Seric (void) sprintf(buf, "554 unknown mailer error %d", stat); 1020588cad61Seric stat = EX_UNAVAILABLE; 1021588cad61Seric statmsg = buf; 1022588cad61Seric } 1023198d9be0Seric else if (stat == EX_TEMPFAIL) 1024198d9be0Seric { 10258557d168Seric (void) strcpy(buf, SysExMsg[i]); 1026d4bd8f0eSbostic #ifdef NAMED_BIND 1027f28da541Smiriam if (h_errno == TRY_AGAIN) 1028f28da541Smiriam { 1029f28da541Smiriam extern char *errstring(); 1030f28da541Smiriam 1031f28da541Smiriam statmsg = errstring(h_errno+MAX_ERRNO); 1032f28da541Smiriam } 1033f28da541Smiriam else 1034d4bd8f0eSbostic #endif 1035f28da541Smiriam { 10368557d168Seric if (errno != 0) 1037198d9be0Seric { 103887c9b3e7Seric extern char *errstring(); 10398557d168Seric 1040d87e85f3Seric statmsg = errstring(errno); 1041d87e85f3Seric } 1042d87e85f3Seric else 1043d87e85f3Seric { 1044d87e85f3Seric #ifdef SMTP 1045d87e85f3Seric extern char SmtpError[]; 1046d87e85f3Seric 1047d87e85f3Seric statmsg = SmtpError; 1048d87e85f3Seric #else SMTP 1049d87e85f3Seric statmsg = NULL; 1050d87e85f3Seric #endif SMTP 1051d87e85f3Seric } 1052f28da541Smiriam } 1053d87e85f3Seric if (statmsg != NULL && statmsg[0] != '\0') 1054d87e85f3Seric { 105587c9b3e7Seric (void) strcat(buf, ": "); 1056d87e85f3Seric (void) strcat(buf, statmsg); 10578557d168Seric } 1058198d9be0Seric statmsg = buf; 1059198d9be0Seric } 106025a99e2eSeric else 1061d87e85f3Seric { 106225a99e2eSeric statmsg = SysExMsg[i]; 1063d87e85f3Seric } 1064588cad61Seric 1065588cad61Seric /* 1066588cad61Seric ** Print the message as appropriate 1067588cad61Seric */ 1068588cad61Seric 1069198d9be0Seric if (stat == EX_OK || stat == EX_TEMPFAIL) 10705826d9d3Seric message(Arpa_Info, &statmsg[4]); 107125a99e2eSeric else 107225a99e2eSeric { 1073c1f9df2cSeric Errors++; 10745826d9d3Seric usrerr(statmsg); 107525a99e2eSeric } 107625a99e2eSeric 107725a99e2eSeric /* 107825a99e2eSeric ** Final cleanup. 107925a99e2eSeric ** Log a record of the transaction. Compute the new 108025a99e2eSeric ** ExitStat -- if we already had an error, stick with 108125a99e2eSeric ** that. 108225a99e2eSeric */ 108325a99e2eSeric 108461f5a1d4Seric if (LogLevel > ((stat == 0 || stat == EX_TEMPFAIL) ? 3 : 2)) 1085b31e7f2bSeric logdelivery(&statmsg[4], e); 1086eb238f8cSeric 1087eb238f8cSeric if (stat != EX_TEMPFAIL) 1088eb238f8cSeric setstat(stat); 1089198d9be0Seric if (stat != EX_OK) 1090198d9be0Seric { 1091198d9be0Seric if (e->e_message != NULL) 1092198d9be0Seric free(e->e_message); 1093198d9be0Seric e->e_message = newstr(&statmsg[4]); 1094198d9be0Seric } 10958557d168Seric errno = 0; 1096d4bd8f0eSbostic #ifdef NAMED_BIND 1097f28da541Smiriam h_errno = 0; 1098d4bd8f0eSbostic #endif 1099eb238f8cSeric } 1100eb238f8cSeric /* 1101eb238f8cSeric ** LOGDELIVERY -- log the delivery in the system log 1102eb238f8cSeric ** 1103eb238f8cSeric ** Parameters: 1104eb238f8cSeric ** stat -- the message to print for the status 1105eb238f8cSeric ** 1106eb238f8cSeric ** Returns: 1107eb238f8cSeric ** none 1108eb238f8cSeric ** 1109eb238f8cSeric ** Side Effects: 1110eb238f8cSeric ** none 1111eb238f8cSeric */ 1112eb238f8cSeric 1113b31e7f2bSeric logdelivery(stat, e) 1114eb238f8cSeric char *stat; 1115b31e7f2bSeric register ENVELOPE *e; 11165cf56be3Seric { 11175cf56be3Seric extern char *pintvl(); 11185cf56be3Seric 1119eb238f8cSeric # ifdef LOG 1120b31e7f2bSeric syslog(LOG_INFO, "%s: to=%s, delay=%s, stat=%s", e->e_id, 1121b31e7f2bSeric e->e_to, pintvl(curtime() - e->e_ctime, TRUE), stat); 112225a99e2eSeric # endif LOG 112325a99e2eSeric } 112425a99e2eSeric /* 112551552439Seric ** PUTFROMLINE -- output a UNIX-style from line (or whatever) 112625a99e2eSeric ** 112751552439Seric ** This can be made an arbitrary message separator by changing $l 112851552439Seric ** 11299b6c17a6Seric ** One of the ugliest hacks seen by human eyes is contained herein: 11309b6c17a6Seric ** UUCP wants those stupid "remote from <host>" lines. Why oh why 11319b6c17a6Seric ** does a well-meaning programmer such as myself have to deal with 11329b6c17a6Seric ** this kind of antique garbage???? 113325a99e2eSeric ** 113425a99e2eSeric ** Parameters: 113551552439Seric ** fp -- the file to output to. 113651552439Seric ** m -- the mailer describing this entry. 113725a99e2eSeric ** 113825a99e2eSeric ** Returns: 113951552439Seric ** none 114025a99e2eSeric ** 114125a99e2eSeric ** Side Effects: 114251552439Seric ** outputs some text to fp. 114325a99e2eSeric */ 114425a99e2eSeric 1145b31e7f2bSeric putfromline(fp, m, e) 114651552439Seric register FILE *fp; 114751552439Seric register MAILER *m; 1148b31e7f2bSeric ENVELOPE *e; 114925a99e2eSeric { 11509b6c17a6Seric char *template = "\001l\n"; 115151552439Seric char buf[MAXLINE]; 115225a99e2eSeric 115357fc6f17Seric if (bitnset(M_NHDR, m->m_flags)) 115451552439Seric return; 115513bbc08cSeric 11562c7e1b8dSeric # ifdef UGLYUUCP 115757fc6f17Seric if (bitnset(M_UGLYUUCP, m->m_flags)) 115874b6e67bSeric { 1159ea09d6edSeric char *bang; 1160ea09d6edSeric char xbuf[MAXLINE]; 116174b6e67bSeric 1162b31e7f2bSeric expand("\001<", buf, &buf[sizeof buf - 1], e); 1163ea09d6edSeric bang = index(buf, '!'); 116474b6e67bSeric if (bang == NULL) 1165ea09d6edSeric syserr("No ! in UUCP! (%s)", buf); 116674b6e67bSeric else 1167588cad61Seric { 1168ea09d6edSeric *bang++ = '\0'; 11699b6c17a6Seric (void) sprintf(xbuf, "From %s \001d remote from %s\n", bang, buf); 1170ea09d6edSeric template = xbuf; 117174b6e67bSeric } 1172588cad61Seric } 11732c7e1b8dSeric # endif UGLYUUCP 1174b31e7f2bSeric expand(template, buf, &buf[sizeof buf - 1], e); 117577b52738Seric putline(buf, fp, m); 1176bc6e2962Seric } 1177bc6e2962Seric /* 117851552439Seric ** PUTBODY -- put the body of a message. 117951552439Seric ** 118051552439Seric ** Parameters: 118151552439Seric ** fp -- file to output onto. 118277b52738Seric ** m -- a mailer descriptor to control output format. 11839a6a5f55Seric ** e -- the envelope to put out. 118451552439Seric ** 118551552439Seric ** Returns: 118651552439Seric ** none. 118751552439Seric ** 118851552439Seric ** Side Effects: 118951552439Seric ** The message is written onto fp. 119051552439Seric */ 119151552439Seric 119277b52738Seric putbody(fp, m, e) 119351552439Seric FILE *fp; 1194588cad61Seric MAILER *m; 11959a6a5f55Seric register ENVELOPE *e; 119651552439Seric { 119777b52738Seric char buf[MAXLINE]; 119851552439Seric 119951552439Seric /* 120051552439Seric ** Output the body of the message 120151552439Seric */ 120251552439Seric 12039a6a5f55Seric if (e->e_dfp == NULL) 120451552439Seric { 12059a6a5f55Seric if (e->e_df != NULL) 12069a6a5f55Seric { 12079a6a5f55Seric e->e_dfp = fopen(e->e_df, "r"); 12089a6a5f55Seric if (e->e_dfp == NULL) 12098f9146b0Srick syserr("putbody: Cannot open %s for %s from %s", 12108f9146b0Srick e->e_df, e->e_to, e->e_from); 12119a6a5f55Seric } 12129a6a5f55Seric else 121377b52738Seric putline("<<< No Message Collected >>>", fp, m); 12149a6a5f55Seric } 12159a6a5f55Seric if (e->e_dfp != NULL) 12169a6a5f55Seric { 12179a6a5f55Seric rewind(e->e_dfp); 121877b52738Seric while (!ferror(fp) && fgets(buf, sizeof buf, e->e_dfp) != NULL) 121924fc8aeeSeric { 122024fc8aeeSeric if (buf[0] == 'F' && bitnset(M_ESCFROM, m->m_flags) && 1221d6fa2b58Sbostic strncmp(buf, "From ", 5) == 0) 12223462ad9eSeric (void) putc('>', fp); 122377b52738Seric putline(buf, fp, m); 122424fc8aeeSeric } 122551552439Seric 12269a6a5f55Seric if (ferror(e->e_dfp)) 122751552439Seric { 122851552439Seric syserr("putbody: read error"); 122951552439Seric ExitStat = EX_IOERR; 123051552439Seric } 123151552439Seric } 123251552439Seric 123351552439Seric (void) fflush(fp); 123451552439Seric if (ferror(fp) && errno != EPIPE) 123551552439Seric { 123651552439Seric syserr("putbody: write error"); 123751552439Seric ExitStat = EX_IOERR; 123851552439Seric } 123951552439Seric errno = 0; 124025a99e2eSeric } 124125a99e2eSeric /* 124225a99e2eSeric ** MAILFILE -- Send a message to a file. 124325a99e2eSeric ** 1244f129ec7dSeric ** If the file has the setuid/setgid bits set, but NO execute 1245f129ec7dSeric ** bits, sendmail will try to become the owner of that file 1246f129ec7dSeric ** rather than the real user. Obviously, this only works if 1247f129ec7dSeric ** sendmail runs as root. 1248f129ec7dSeric ** 1249588cad61Seric ** This could be done as a subordinate mailer, except that it 1250588cad61Seric ** is used implicitly to save messages in ~/dead.letter. We 1251588cad61Seric ** view this as being sufficiently important as to include it 1252588cad61Seric ** here. For example, if the system is dying, we shouldn't have 1253588cad61Seric ** to create another process plus some pipes to save the message. 1254588cad61Seric ** 125525a99e2eSeric ** Parameters: 125625a99e2eSeric ** filename -- the name of the file to send to. 12576259796dSeric ** ctladdr -- the controlling address header -- includes 12586259796dSeric ** the userid/groupid to be when sending. 125925a99e2eSeric ** 126025a99e2eSeric ** Returns: 126125a99e2eSeric ** The exit code associated with the operation. 126225a99e2eSeric ** 126325a99e2eSeric ** Side Effects: 126425a99e2eSeric ** none. 126525a99e2eSeric */ 126625a99e2eSeric 1267b31e7f2bSeric mailfile(filename, ctladdr, e) 126825a99e2eSeric char *filename; 12696259796dSeric ADDRESS *ctladdr; 1270b31e7f2bSeric register ENVELOPE *e; 127125a99e2eSeric { 127225a99e2eSeric register FILE *f; 127332d19d43Seric register int pid; 127415d084d5Seric int mode; 127525a99e2eSeric 127632d19d43Seric /* 127732d19d43Seric ** Fork so we can change permissions here. 127832d19d43Seric ** Note that we MUST use fork, not vfork, because of 127932d19d43Seric ** the complications of calling subroutines, etc. 128032d19d43Seric */ 128132d19d43Seric 128232d19d43Seric DOFORK(fork); 128332d19d43Seric 128432d19d43Seric if (pid < 0) 128532d19d43Seric return (EX_OSERR); 128632d19d43Seric else if (pid == 0) 128732d19d43Seric { 128832d19d43Seric /* child -- actually write to file */ 1289f129ec7dSeric struct stat stb; 1290f129ec7dSeric 12910984da9fSeric (void) signal(SIGINT, SIG_DFL); 12920984da9fSeric (void) signal(SIGHUP, SIG_DFL); 12930984da9fSeric (void) signal(SIGTERM, SIG_DFL); 12943462ad9eSeric (void) umask(OldUmask); 129595f16dc0Seric 1296f129ec7dSeric if (stat(filename, &stb) < 0) 1297e6e1265fSeric stb.st_mode = 0666; 129815d084d5Seric mode = stb.st_mode; 129995f16dc0Seric 130095f16dc0Seric /* limit the errors to those actually caused in the child */ 130195f16dc0Seric errno = 0; 130295f16dc0Seric ExitStat = EX_OK; 130395f16dc0Seric 1304f129ec7dSeric if (bitset(0111, stb.st_mode)) 1305f129ec7dSeric exit(EX_CANTCREAT); 130603827b5fSeric if (ctladdr == NULL) 13078f9146b0Srick ctladdr = &e->e_from; 130815d084d5Seric else 130915d084d5Seric { 131015d084d5Seric /* ignore setuid and setgid bits */ 131115d084d5Seric mode &= ~(S_ISGID|S_ISUID); 131215d084d5Seric } 131315d084d5Seric 13148f9146b0Srick /* we have to open the dfile BEFORE setuid */ 13158f9146b0Srick if (e->e_dfp == NULL && e->e_df != NULL) 13168f9146b0Srick { 13178f9146b0Srick e->e_dfp = fopen(e->e_df, "r"); 131895f16dc0Seric if (e->e_dfp == NULL) 131995f16dc0Seric { 13208f9146b0Srick syserr("mailfile: Cannot open %s for %s from %s", 13218f9146b0Srick e->e_df, e->e_to, e->e_from); 13228f9146b0Srick } 13238f9146b0Srick } 13248f9146b0Srick 132515d084d5Seric if (!bitset(S_ISGID, mode) || setgid(stb.st_gid) < 0) 1326e36b99e2Seric { 132795f16dc0Seric if (ctladdr->q_uid == 0) 132895f16dc0Seric { 1329e36b99e2Seric (void) setgid(DefGid); 1330898a126bSbostic (void) initgroups(DefUser, DefGid); 133195f16dc0Seric } 133295f16dc0Seric else 133395f16dc0Seric { 13346259796dSeric (void) setgid(ctladdr->q_gid); 1335898a126bSbostic (void) initgroups(ctladdr->q_ruser ? 1336898a126bSbostic ctladdr->q_ruser : ctladdr->q_user, 1337898a126bSbostic ctladdr->q_gid); 1338898a126bSbostic } 1339e36b99e2Seric } 134015d084d5Seric if (!bitset(S_ISUID, mode) || setuid(stb.st_uid) < 0) 1341e36b99e2Seric { 1342e36b99e2Seric if (ctladdr->q_uid == 0) 1343e36b99e2Seric (void) setuid(DefUid); 1344e36b99e2Seric else 13456259796dSeric (void) setuid(ctladdr->q_uid); 1346e36b99e2Seric } 134795f16dc0Seric FileName = filename; 134895f16dc0Seric LineNumber = 0; 134927628d59Seric f = dfopen(filename, "a"); 135025a99e2eSeric if (f == NULL) 135195f16dc0Seric { 135295f16dc0Seric message("cannot open"); 135332d19d43Seric exit(EX_CANTCREAT); 135495f16dc0Seric } 135525a99e2eSeric 1356b31e7f2bSeric putfromline(f, ProgMailer, e); 135777b52738Seric (*CurEnv->e_puthdr)(f, ProgMailer, CurEnv); 135877b52738Seric putline("\n", f, ProgMailer); 135977b52738Seric (*CurEnv->e_putbody)(f, ProgMailer, CurEnv); 136077b52738Seric putline("\n", f, ProgMailer); 136195f16dc0Seric if (ferror(f)) 136295f16dc0Seric { 136395f16dc0Seric message("I/O error"); 136495f16dc0Seric setstat(EX_IOERR); 136595f16dc0Seric } 1366db8841e9Seric (void) fclose(f); 136732d19d43Seric (void) fflush(stdout); 1368e36b99e2Seric 136927628d59Seric /* reset ISUID & ISGID bits for paranoid systems */ 1370c77d1c25Seric (void) chmod(filename, (int) stb.st_mode); 137195f16dc0Seric exit(ExitStat); 137213bbc08cSeric /*NOTREACHED*/ 137332d19d43Seric } 137432d19d43Seric else 137532d19d43Seric { 137632d19d43Seric /* parent -- wait for exit status */ 1377588cad61Seric int st; 137832d19d43Seric 1379588cad61Seric st = waitfor(pid); 1380588cad61Seric if ((st & 0377) != 0) 1381588cad61Seric return (EX_UNAVAILABLE); 1382588cad61Seric else 1383588cad61Seric return ((st >> 8) & 0377); 13848f9146b0Srick /*NOTREACHED*/ 138532d19d43Seric } 138625a99e2eSeric } 1387ea4dc939Seric /* 1388ea4dc939Seric ** SENDALL -- actually send all the messages. 1389ea4dc939Seric ** 1390ea4dc939Seric ** Parameters: 13910c52a0b3Seric ** e -- the envelope to send. 13927b95031aSeric ** mode -- the delivery mode to use. If SM_DEFAULT, use 13937b95031aSeric ** the current SendMode. 1394ea4dc939Seric ** 1395ea4dc939Seric ** Returns: 1396ea4dc939Seric ** none. 1397ea4dc939Seric ** 1398ea4dc939Seric ** Side Effects: 1399ea4dc939Seric ** Scans the send lists and sends everything it finds. 14000c52a0b3Seric ** Delivers any appropriate error messages. 1401276723a8Seric ** If we are running in a non-interactive mode, takes the 1402276723a8Seric ** appropriate action. 1403ea4dc939Seric */ 1404ea4dc939Seric 1405276723a8Seric sendall(e, mode) 14060c52a0b3Seric ENVELOPE *e; 1407276723a8Seric char mode; 1408ea4dc939Seric { 1409e77e673fSeric register ADDRESS *q; 141014a8ed7aSeric bool oldverbose; 1411276723a8Seric int pid; 1412dde5acadSeric int nsent; 14131c265a00Seric # ifdef LOCKF 14141c265a00Seric struct flock lfd; 14151c265a00Seric # endif 1416ea4dc939Seric 14177b95031aSeric /* determine actual delivery mode */ 14187b95031aSeric if (mode == SM_DEFAULT) 14197b95031aSeric { 14205f73204aSeric extern bool shouldqueue(); 14217b95031aSeric 14225f73204aSeric if (shouldqueue(e->e_msgpriority)) 14237b95031aSeric mode = SM_QUEUE; 14247b95031aSeric else 14257b95031aSeric mode = SendMode; 14267b95031aSeric } 14277b95031aSeric 1428df864a8fSeric if (tTd(13, 1)) 1429772e6e50Seric { 1430276723a8Seric printf("\nSENDALL: mode %c, sendqueue:\n", mode); 14310c52a0b3Seric printaddr(e->e_sendqueue, TRUE); 1432772e6e50Seric } 1433ea4dc939Seric 14340c52a0b3Seric /* 1435276723a8Seric ** Do any preprocessing necessary for the mode we are running. 1436588cad61Seric ** Check to make sure the hop count is reasonable. 1437588cad61Seric ** Delete sends to the sender in mailing lists. 1438276723a8Seric */ 1439276723a8Seric 1440588cad61Seric CurEnv = e; 1441276723a8Seric 14421d57450bSeric if (e->e_hopcount > MaxHopCount) 1443276723a8Seric { 14448f9146b0Srick errno = 0; 14458f9146b0Srick syserr("sendall: too many hops %d (%d max): from %s, to %s", 14461d57450bSeric e->e_hopcount, MaxHopCount, e->e_from, e->e_to); 1447588cad61Seric return; 1448588cad61Seric } 1449588cad61Seric 1450588cad61Seric if (!MeToo) 1451276723a8Seric { 1452f3d6c55cSeric extern ADDRESS *recipient(); 1453f3d6c55cSeric 1454588cad61Seric e->e_from.q_flags |= QDONTSEND; 1455f3d6c55cSeric (void) recipient(&e->e_from, &e->e_sendqueue); 1456276723a8Seric } 1457588cad61Seric 1458588cad61Seric # ifdef QUEUE 1459b254bcb6Seric if ((mode == SM_QUEUE || mode == SM_FORK || 1460b254bcb6Seric (mode != SM_VERIFY && SuperSafe)) && 1461b254bcb6Seric !bitset(EF_INQUEUE, e->e_flags)) 1462e020b127Seric queueup(e, TRUE, mode == SM_QUEUE); 1463276723a8Seric #endif QUEUE 1464276723a8Seric 1465276723a8Seric oldverbose = Verbose; 1466276723a8Seric switch (mode) 1467276723a8Seric { 1468276723a8Seric case SM_VERIFY: 1469276723a8Seric Verbose = TRUE; 1470276723a8Seric break; 1471276723a8Seric 1472276723a8Seric case SM_QUEUE: 1473c7f5410dSeric queueonly: 1474b254bcb6Seric e->e_flags |= EF_INQUEUE|EF_KEEPQUEUE; 1475276723a8Seric return; 1476276723a8Seric 1477276723a8Seric case SM_FORK: 14789a6a5f55Seric if (e->e_xfp != NULL) 14799a6a5f55Seric (void) fflush(e->e_xfp); 1480c7f5410dSeric 1481c7f5410dSeric # ifdef LOCKF 1482c7f5410dSeric /* 1483c7f5410dSeric ** Since lockf has the interesting semantic that the 14841c265a00Seric ** lock is lost when we fork, we have to risk losing 14851c265a00Seric ** the lock here by closing before the fork, and then 14861c265a00Seric ** trying to get it back in the child. 1487c7f5410dSeric */ 1488c7f5410dSeric 1489e020b127Seric if (e->e_lockfp != NULL) 1490c7f5410dSeric { 1491e020b127Seric (void) fclose(e->e_lockfp); 1492e020b127Seric e->e_lockfp = NULL; 1493c7f5410dSeric } 1494c7f5410dSeric # endif /* LOCKF */ 1495c7f5410dSeric 1496276723a8Seric pid = fork(); 1497276723a8Seric if (pid < 0) 1498276723a8Seric { 1499c7f5410dSeric goto queueonly; 1500276723a8Seric } 1501276723a8Seric else if (pid > 0) 1502a6fce3d8Seric { 1503a6fce3d8Seric /* be sure we leave the temp files to our child */ 1504b254bcb6Seric e->e_id = e->e_df = NULL; 1505c7f5410dSeric # ifndef LOCKF 1506e020b127Seric if (e->e_lockfp != NULL) 1507e020b127Seric (void) fclose(e->e_lockfp); 1508c7f5410dSeric # endif 1509276723a8Seric return; 1510a6fce3d8Seric } 1511276723a8Seric 1512276723a8Seric /* double fork to avoid zombies */ 1513276723a8Seric if (fork() > 0) 1514276723a8Seric exit(EX_OK); 1515276723a8Seric 1516a6fce3d8Seric /* be sure we are immune from the terminal */ 1517769e215aSeric disconnect(FALSE); 1518a6fce3d8Seric 1519e6720d51Seric # ifdef LOCKF 1520e6720d51Seric /* 1521c7f5410dSeric ** Now try to get our lock back. 1522e6720d51Seric */ 1523e6720d51Seric 15241c265a00Seric lfd.l_type = F_WRLCK; 15251c265a00Seric lfd.l_whence = lfd.l_start = lfd.l_len = 0; 1526e020b127Seric e->e_lockfp = fopen(queuename(e, 'q'), "r+"); 1527e020b127Seric if (e->e_lockfp == NULL || 15281c265a00Seric fcntl(fileno(e->e_lockfp), F_SETLK, &lfd) < 0) 1529e6720d51Seric { 1530e6720d51Seric /* oops.... lost it */ 1531e6720d51Seric # ifdef LOG 1532e6720d51Seric if (LogLevel > 5) 1533c7f5410dSeric syslog(LOG_NOTICE, "%s: lost lock: %m", 1534b31e7f2bSeric e->e_id); 1535e6720d51Seric # endif /* LOG */ 1536e6720d51Seric exit(EX_OK); 1537e6720d51Seric } 1538e6720d51Seric # endif /* LOCKF */ 1539e6720d51Seric 1540276723a8Seric break; 1541276723a8Seric } 1542276723a8Seric 1543276723a8Seric /* 15440c52a0b3Seric ** Run through the list and send everything. 15450c52a0b3Seric */ 15460c52a0b3Seric 1547dde5acadSeric nsent = 0; 15480c52a0b3Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 1549ea4dc939Seric { 1550276723a8Seric if (mode == SM_VERIFY) 1551ea4dc939Seric { 1552a6fce3d8Seric e->e_to = q->q_paddr; 1553e77e673fSeric if (!bitset(QDONTSEND|QBADADDR, q->q_flags)) 1554ea4dc939Seric message(Arpa_Info, "deliverable"); 1555ea4dc939Seric } 1556dde5acadSeric else if (!bitset(QDONTSEND, q->q_flags)) 1557dde5acadSeric { 1558de1179f5Seric # ifdef QUEUE 1559dde5acadSeric /* 1560dde5acadSeric ** Checkpoint the send list every few addresses 1561dde5acadSeric */ 1562dde5acadSeric 1563dde5acadSeric if (nsent >= CheckpointInterval) 1564dde5acadSeric { 1565e020b127Seric queueup(e, TRUE, FALSE); 1566dde5acadSeric nsent = 0; 1567dde5acadSeric } 1568de1179f5Seric # endif /* QUEUE */ 1569dde5acadSeric if (deliver(e, q) == EX_OK) 1570dde5acadSeric nsent++; 1571dde5acadSeric } 1572ea4dc939Seric } 157314a8ed7aSeric Verbose = oldverbose; 15740c52a0b3Seric 15750c52a0b3Seric /* 15760c52a0b3Seric ** Now run through and check for errors. 15770c52a0b3Seric */ 15780c52a0b3Seric 1579e020b127Seric if (mode == SM_VERIFY) 15800c52a0b3Seric return; 15810c52a0b3Seric 15820c52a0b3Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 15830c52a0b3Seric { 15840c52a0b3Seric register ADDRESS *qq; 15850c52a0b3Seric 1586df864a8fSeric if (tTd(13, 3)) 1587df864a8fSeric { 1588df864a8fSeric printf("Checking "); 1589df864a8fSeric printaddr(q, FALSE); 1590df864a8fSeric } 1591df864a8fSeric 1592b254bcb6Seric /* only send errors if the message failed */ 1593b254bcb6Seric if (!bitset(QBADADDR, q->q_flags)) 1594b254bcb6Seric continue; 15950c52a0b3Seric 15960c52a0b3Seric /* we have an address that failed -- find the parent */ 15970c52a0b3Seric for (qq = q; qq != NULL; qq = qq->q_alias) 15980c52a0b3Seric { 15990c52a0b3Seric char obuf[MAXNAME + 6]; 16000c52a0b3Seric extern char *aliaslookup(); 16010c52a0b3Seric 16020c52a0b3Seric /* we can only have owners for local addresses */ 160357fc6f17Seric if (!bitnset(M_LOCAL, qq->q_mailer->m_flags)) 16040c52a0b3Seric continue; 16050c52a0b3Seric 16060c52a0b3Seric /* see if the owner list exists */ 16070c52a0b3Seric (void) strcpy(obuf, "owner-"); 1608cec031e3Seric if (strncmp(qq->q_user, "owner-", 6) == 0) 1609cec031e3Seric (void) strcat(obuf, "owner"); 1610cec031e3Seric else 16110c52a0b3Seric (void) strcat(obuf, qq->q_user); 1612ef137175Sbostic makelower(obuf); 16130c52a0b3Seric if (aliaslookup(obuf) == NULL) 16140c52a0b3Seric continue; 16150c52a0b3Seric 1616df864a8fSeric if (tTd(13, 4)) 1617df864a8fSeric printf("Errors to %s\n", obuf); 1618df864a8fSeric 16190c52a0b3Seric /* owner list exists -- add it to the error queue */ 1620e3e4ed86Seric sendtolist(obuf, (ADDRESS *) NULL, &e->e_errorqueue); 162153e3fa05Seric ErrorMode = EM_MAIL; 16220c52a0b3Seric break; 16230c52a0b3Seric } 16240c52a0b3Seric 16250c52a0b3Seric /* if we did not find an owner, send to the sender */ 16267455aa0bSeric if (qq == NULL && bitset(QBADADDR, q->q_flags)) 1627e3e4ed86Seric sendtolist(e->e_from.q_paddr, qq, &e->e_errorqueue); 16280c52a0b3Seric } 1629276723a8Seric 1630276723a8Seric if (mode == SM_FORK) 1631276723a8Seric finis(); 16320c52a0b3Seric } 1633