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*95f16dc0Seric static char sccsid[] = "@(#)deliver.c 5.54 (Berkeley) 02/26/92"; 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; 58c77d1c25Seric register ADDRESS *to = firstto; 59c579ef51Seric bool clever = FALSE; /* running user smtp to this mailer */ 60772e6e50Seric ADDRESS *tochain = NULL; /* chain of users in this mailer call */ 61911693bfSbostic int rcode; /* response code */ 62c23ed322Seric char *from; /* pointer to from person */ 63ee6bf8dfSeric char *pv[MAXPV+1]; 64ee6bf8dfSeric char tobuf[MAXLINE-50]; /* text line of to people */ 65ee6bf8dfSeric char buf[MAXNAME]; 66ee6bf8dfSeric char tfrombuf[MAXNAME]; /* translated from person */ 67c23ed322Seric char rpathbuf[MAXNAME]; /* translated return path */ 68ee6bf8dfSeric extern bool checkcompat(); 69ee6bf8dfSeric extern ADDRESS *getctladdr(); 70ee6bf8dfSeric extern char *remotename(); 7125a99e2eSeric 7235490626Seric errno = 0; 73da2935e1Seric if (bitset(QDONTSEND, to->q_flags)) 745dfc646bSeric return (0); 7525a99e2eSeric 76134746fbSeric #ifdef NAMED_BIND 77912a731aSbostic /* unless interactive, try twice, over a minute */ 78912a731aSbostic if (OpMode == MD_DAEMON || OpMode == MD_SMTP) { 79912a731aSbostic _res.retrans = 30; 80912a731aSbostic _res.retry = 2; 81912a731aSbostic } 82d4bd8f0eSbostic #endif 83912a731aSbostic 8451552439Seric m = to->q_mailer; 8551552439Seric host = to->q_host; 8651552439Seric 876ef48975Seric if (tTd(10, 1)) 885dfc646bSeric printf("\n--deliver, mailer=%d, host=`%s', first user=`%s'\n", 8951552439Seric m->m_mno, host, to->q_user); 90f3dbc832Seric 91f3dbc832Seric /* 92f3dbc832Seric ** If this mailer is expensive, and if we don't want to make 93f3dbc832Seric ** connections now, just mark these addresses and return. 94f3dbc832Seric ** This is useful if we want to batch connections to 95f3dbc832Seric ** reduce load. This will cause the messages to be 96f3dbc832Seric ** queued up, and a daemon will come along to send the 97f3dbc832Seric ** messages later. 98f3dbc832Seric ** This should be on a per-mailer basis. 99f3dbc832Seric */ 100f3dbc832Seric 10157fc6f17Seric if (NoConnect && !QueueRun && bitnset(M_EXPENSIVE, m->m_flags) && 102317680d6Seric !Verbose) 103f3dbc832Seric { 104f3dbc832Seric for (; to != NULL; to = to->q_next) 105f4560e80Seric { 106f4560e80Seric if (bitset(QDONTSEND, to->q_flags) || to->q_mailer != m) 107f4560e80Seric continue; 108f3dbc832Seric to->q_flags |= QQUEUEUP|QDONTSEND; 109588cad61Seric e->e_to = to->q_paddr; 110eb238f8cSeric message(Arpa_Info, "queued"); 111eb238f8cSeric if (LogLevel > 4) 112eb238f8cSeric logdelivery("queued"); 113f4560e80Seric } 114588cad61Seric e->e_to = NULL; 115f3dbc832Seric return (0); 116f3dbc832Seric } 117f3dbc832Seric 11825a99e2eSeric /* 1195dfc646bSeric ** Do initial argv setup. 1205dfc646bSeric ** Insert the mailer name. Notice that $x expansion is 1215dfc646bSeric ** NOT done on the mailer name. Then, if the mailer has 1225dfc646bSeric ** a picky -f flag, we insert it as appropriate. This 1235dfc646bSeric ** code does not check for 'pv' overflow; this places a 1245dfc646bSeric ** manifest lower limit of 4 for MAXPV. 1253bea8136Seric ** The from address rewrite is expected to make 1263bea8136Seric ** the address relative to the other end. 1275dfc646bSeric */ 1285dfc646bSeric 12978442df3Seric /* rewrite from address, using rewriting rules */ 130c23ed322Seric (void) strcpy(rpathbuf, remotename(e->e_returnpath, m, TRUE, TRUE)); 131c23ed322Seric if (e->e_returnpath == e->e_sender) 132c23ed322Seric { 133c23ed322Seric from = rpathbuf; 134c23ed322Seric } 135c23ed322Seric else 136c23ed322Seric { 137c23ed322Seric (void) strcpy(tfrombuf, remotename(e->e_sender, m, TRUE, TRUE)); 138c23ed322Seric from = tfrombuf; 139c23ed322Seric } 14078442df3Seric 141c23ed322Seric define('f', e->e_returnpath, e); /* raw return path */ 142c23ed322Seric define('<', rpathbuf, e); /* translated return path */ 143c23ed322Seric define('g', from, e); /* translated sender */ 144588cad61Seric define('h', host, e); /* to host */ 1455dfc646bSeric Errors = 0; 1465dfc646bSeric pvp = pv; 1475dfc646bSeric *pvp++ = m->m_argv[0]; 1485dfc646bSeric 1495dfc646bSeric /* insert -f or -r flag as appropriate */ 15057fc6f17Seric if (FromFlag && (bitnset(M_FOPT, m->m_flags) || bitnset(M_ROPT, m->m_flags))) 1515dfc646bSeric { 15257fc6f17Seric if (bitnset(M_FOPT, m->m_flags)) 1535dfc646bSeric *pvp++ = "-f"; 1545dfc646bSeric else 1555dfc646bSeric *pvp++ = "-r"; 156c23ed322Seric *pvp++ = newstr(rpathbuf); 1575dfc646bSeric } 1585dfc646bSeric 1595dfc646bSeric /* 1605dfc646bSeric ** Append the other fixed parts of the argv. These run 1615dfc646bSeric ** up to the first entry containing "$u". There can only 1625dfc646bSeric ** be one of these, and there are only a few more slots 1635dfc646bSeric ** in the pv after it. 1645dfc646bSeric */ 1655dfc646bSeric 1665dfc646bSeric for (mvp = m->m_argv; (p = *++mvp) != NULL; ) 1675dfc646bSeric { 1689b6c17a6Seric while ((p = index(p, '\001')) != NULL) 1695dfc646bSeric if (*++p == 'u') 1705dfc646bSeric break; 1715dfc646bSeric if (p != NULL) 1725dfc646bSeric break; 1735dfc646bSeric 1745dfc646bSeric /* this entry is safe -- go ahead and process it */ 175588cad61Seric expand(*mvp, buf, &buf[sizeof buf - 1], e); 1765dfc646bSeric *pvp++ = newstr(buf); 1775dfc646bSeric if (pvp >= &pv[MAXPV - 3]) 1785dfc646bSeric { 1795dfc646bSeric syserr("Too many parameters to %s before $u", pv[0]); 1805dfc646bSeric return (-1); 1815dfc646bSeric } 1825dfc646bSeric } 183c579ef51Seric 18433db8731Seric /* 18533db8731Seric ** If we have no substitution for the user name in the argument 18633db8731Seric ** list, we know that we must supply the names otherwise -- and 18733db8731Seric ** SMTP is the answer!! 18833db8731Seric */ 18933db8731Seric 1905dfc646bSeric if (*mvp == NULL) 191c579ef51Seric { 192c579ef51Seric /* running SMTP */ 1932c7e1b8dSeric # ifdef SMTP 194c579ef51Seric clever = TRUE; 195c579ef51Seric *pvp = NULL; 1962c7e1b8dSeric # else SMTP 19733db8731Seric /* oops! we don't implement SMTP */ 1982c7e1b8dSeric syserr("SMTP style mailer"); 1992c7e1b8dSeric return (EX_SOFTWARE); 2002c7e1b8dSeric # endif SMTP 201c579ef51Seric } 2025dfc646bSeric 2035dfc646bSeric /* 2045dfc646bSeric ** At this point *mvp points to the argument with $u. We 2055dfc646bSeric ** run through our address list and append all the addresses 2065dfc646bSeric ** we can. If we run out of space, do not fret! We can 2075dfc646bSeric ** always send another copy later. 2085dfc646bSeric */ 2095dfc646bSeric 2105dfc646bSeric tobuf[0] = '\0'; 211588cad61Seric e->e_to = tobuf; 2126259796dSeric ctladdr = NULL; 2135dfc646bSeric for (; to != NULL; to = to->q_next) 2145dfc646bSeric { 2155dfc646bSeric /* avoid sending multiple recipients to dumb mailers */ 21657fc6f17Seric if (tobuf[0] != '\0' && !bitnset(M_MUSER, m->m_flags)) 2175dfc646bSeric break; 2185dfc646bSeric 2195dfc646bSeric /* if already sent or not for this host, don't send */ 220da2935e1Seric if (bitset(QDONTSEND, to->q_flags) || 221da2935e1Seric strcmp(to->q_host, host) != 0 || 222da2935e1Seric to->q_mailer != firstto->q_mailer) 2235dfc646bSeric continue; 2246259796dSeric 2254b22ea87Seric /* avoid overflowing tobuf */ 226aa50a568Sbostic if (sizeof tobuf < (strlen(to->q_paddr) + strlen(tobuf) + 2)) 2274b22ea87Seric break; 2284b22ea87Seric 2296ef48975Seric if (tTd(10, 1)) 230772e6e50Seric { 231772e6e50Seric printf("\nsend to "); 232772e6e50Seric printaddr(to, FALSE); 233772e6e50Seric } 234772e6e50Seric 2356259796dSeric /* compute effective uid/gid when sending */ 2367da1035fSeric if (to->q_mailer == ProgMailer) 2376259796dSeric ctladdr = getctladdr(to); 2386259796dSeric 2395dfc646bSeric user = to->q_user; 240588cad61Seric e->e_to = to->q_paddr; 2415dfc646bSeric to->q_flags |= QDONTSEND; 2425dfc646bSeric 2435dfc646bSeric /* 2445dfc646bSeric ** Check to see that these people are allowed to 2455dfc646bSeric ** talk to each other. 2462a6e0786Seric */ 2472a6e0786Seric 24869582d2fSeric if (m->m_maxsize != 0 && e->e_msgsize > m->m_maxsize) 24969582d2fSeric { 25069582d2fSeric NoReturn = TRUE; 251672bec4aSeric usrerr("Message is too large; %ld bytes max", m->m_maxsize); 25269582d2fSeric giveresponse(EX_UNAVAILABLE, m, e); 25369582d2fSeric continue; 25469582d2fSeric } 2552a6e0786Seric if (!checkcompat(to)) 2565dfc646bSeric { 257198d9be0Seric giveresponse(EX_UNAVAILABLE, m, e); 2585dfc646bSeric continue; 2595dfc646bSeric } 2602a6e0786Seric 2612a6e0786Seric /* 2629ec9501bSeric ** Strip quote bits from names if the mailer is dumb 2639ec9501bSeric ** about them. 26425a99e2eSeric */ 26525a99e2eSeric 26657fc6f17Seric if (bitnset(M_STRIPQ, m->m_flags)) 26725a99e2eSeric { 2689ec9501bSeric stripquotes(user, TRUE); 2699ec9501bSeric stripquotes(host, TRUE); 2709ec9501bSeric } 2719ec9501bSeric else 2729ec9501bSeric { 2739ec9501bSeric stripquotes(user, FALSE); 2749ec9501bSeric stripquotes(host, FALSE); 27525a99e2eSeric } 27625a99e2eSeric 277cdb828c5Seric /* hack attack -- delivermail compatibility */ 278cdb828c5Seric if (m == ProgMailer && *user == '|') 279cdb828c5Seric user++; 280cdb828c5Seric 28125a99e2eSeric /* 2823efaed6eSeric ** If an error message has already been given, don't 2833efaed6eSeric ** bother to send to this address. 2843efaed6eSeric ** 2853efaed6eSeric ** >>>>>>>>>> This clause assumes that the local mailer 2863efaed6eSeric ** >> NOTE >> cannot do any further aliasing; that 2873efaed6eSeric ** >>>>>>>>>> function is subsumed by sendmail. 2883efaed6eSeric */ 2893efaed6eSeric 2906cae517dSeric if (bitset(QBADADDR|QQUEUEUP, to->q_flags)) 2913efaed6eSeric continue; 2923efaed6eSeric 293f2fec898Seric /* save statistics.... */ 294588cad61Seric markstats(e, to); 295f2fec898Seric 2963efaed6eSeric /* 29725a99e2eSeric ** See if this user name is "special". 29825a99e2eSeric ** If the user name has a slash in it, assume that this 29951552439Seric ** is a file -- send it off without further ado. Note 30051552439Seric ** that this type of addresses is not processed along 30151552439Seric ** with the others, so we fudge on the To person. 30225a99e2eSeric */ 30325a99e2eSeric 3047da1035fSeric if (m == LocalMailer) 30525a99e2eSeric { 306a49f24c0Seric if (user[0] == '/') 30725a99e2eSeric { 3085826d9d3Seric rcode = mailfile(user, getctladdr(to)); 309198d9be0Seric giveresponse(rcode, m, e); 310dde5acadSeric if (rcode == EX_OK) 311dde5acadSeric to->q_flags |= QSENT; 3125dfc646bSeric continue; 31325a99e2eSeric } 31425a99e2eSeric } 31525a99e2eSeric 31613bbc08cSeric /* 31713bbc08cSeric ** Address is verified -- add this user to mailer 31813bbc08cSeric ** argv, and add it to the print list of recipients. 31913bbc08cSeric */ 32013bbc08cSeric 321508daeccSeric /* link together the chain of recipients */ 322508daeccSeric to->q_tchain = tochain; 323508daeccSeric tochain = to; 324508daeccSeric 3255dfc646bSeric /* create list of users for error messages */ 326db8841e9Seric (void) strcat(tobuf, ","); 327db8841e9Seric (void) strcat(tobuf, to->q_paddr); 328588cad61Seric define('u', user, e); /* to user */ 329588cad61Seric define('z', to->q_home, e); /* user's home */ 3305dfc646bSeric 331c579ef51Seric /* 332508daeccSeric ** Expand out this user into argument list. 333c579ef51Seric */ 334c579ef51Seric 335508daeccSeric if (!clever) 336c579ef51Seric { 337588cad61Seric expand(*mvp, buf, &buf[sizeof buf - 1], e); 3385dfc646bSeric *pvp++ = newstr(buf); 3395dfc646bSeric if (pvp >= &pv[MAXPV - 2]) 3405dfc646bSeric { 3415dfc646bSeric /* allow some space for trailing parms */ 3425dfc646bSeric break; 3435dfc646bSeric } 3445dfc646bSeric } 345c579ef51Seric } 3465dfc646bSeric 347145b49b1Seric /* see if any addresses still exist */ 348145b49b1Seric if (tobuf[0] == '\0') 349c579ef51Seric { 350588cad61Seric define('g', (char *) NULL, e); 351c23ed322Seric define('<', (char *) NULL, e); 352145b49b1Seric return (0); 353c579ef51Seric } 354145b49b1Seric 3555dfc646bSeric /* print out messages as full list */ 35663780dbdSeric e->e_to = tobuf + 1; 3575dfc646bSeric 3585dfc646bSeric /* 3595dfc646bSeric ** Fill out any parameters after the $u parameter. 3605dfc646bSeric */ 3615dfc646bSeric 362c579ef51Seric while (!clever && *++mvp != NULL) 3635dfc646bSeric { 364588cad61Seric expand(*mvp, buf, &buf[sizeof buf - 1], e); 3655dfc646bSeric *pvp++ = newstr(buf); 3665dfc646bSeric if (pvp >= &pv[MAXPV]) 3675dfc646bSeric syserr("deliver: pv overflow after $u for %s", pv[0]); 3685dfc646bSeric } 3695dfc646bSeric *pvp++ = NULL; 3705dfc646bSeric 37125a99e2eSeric /* 37225a99e2eSeric ** Call the mailer. 3736328bdf7Seric ** The argument vector gets built, pipes 37425a99e2eSeric ** are created as necessary, and we fork & exec as 3756328bdf7Seric ** appropriate. 376c579ef51Seric ** If we are running SMTP, we just need to clean up. 37725a99e2eSeric */ 37825a99e2eSeric 37986b26461Seric if (ctladdr == NULL) 38086b26461Seric ctladdr = &e->e_from; 381134746fbSeric #ifdef NAMED_BIND 3822bcc6d2dSeric if (ConfigLevel < 2) 383912a731aSbostic _res.options &= ~(RES_DEFNAMES | RES_DNSRCH); /* XXX */ 384134746fbSeric #endif 3852c7e1b8dSeric #ifdef SMTP 386134746fbSeric if (clever) 387134746fbSeric { 388911693bfSbostic rcode = EX_OK; 389134746fbSeric #ifdef NAMED_BIND 3900877bd4eSbostic if (host[0] && host[0] != '[') 391134746fbSeric { 3929a979fb2Seric expand("\001j", buf, &buf[sizeof(buf) - 1], e); 393134746fbSeric Nmx = getmxrr(host, MxHosts, buf, &rcode); 394134746fbSeric } 395134746fbSeric else 396134746fbSeric #endif 397134746fbSeric { 39860bcc2d9Sbostic Nmx = 1; 39960bcc2d9Sbostic MxHosts[0] = host; 400134746fbSeric } 401134746fbSeric if (Nmx >= 0) 402134746fbSeric { 403912a731aSbostic message(Arpa_Info, "Connecting to %s (%s)...", 404912a731aSbostic MxHosts[0], m->m_name); 405912a731aSbostic if ((rcode = smtpinit(m, pv)) == EX_OK) { 406ded0d3daSkarels register char *t = tobuf; 407ded0d3daSkarels register int i; 408ded0d3daSkarels 409588cad61Seric /* send the recipient list */ 41063780dbdSeric tobuf[0] = '\0'; 411911693bfSbostic for (to = tochain; to; to = to->q_tchain) { 41263780dbdSeric e->e_to = to->q_paddr; 413912a731aSbostic if ((i = smtprcpt(to, m)) != EX_OK) { 41483b7ddc9Seric markfailure(e, to, i); 415198d9be0Seric giveresponse(i, m, e); 41663780dbdSeric } 417911693bfSbostic else { 418911693bfSbostic *t++ = ','; 419911693bfSbostic for (p = to->q_paddr; *p; *t++ = *p++); 420588cad61Seric } 421588cad61Seric } 422588cad61Seric 42363780dbdSeric /* now send the data */ 42463780dbdSeric if (tobuf[0] == '\0') 42563780dbdSeric e->e_to = NULL; 426911693bfSbostic else { 42763780dbdSeric e->e_to = tobuf + 1; 42877b52738Seric rcode = smtpdata(m, e); 42963780dbdSeric } 43063780dbdSeric 43163780dbdSeric /* now close the connection */ 432a294c4b0Seric smtpquit(m); 43363780dbdSeric } 434c579ef51Seric } 435912a731aSbostic } 436c579ef51Seric else 437911693bfSbostic #endif /* SMTP */ 438a05b3449Sbostic { 4399b100374Sbostic static int sendoff(); 4409b100374Sbostic 441912a731aSbostic message(Arpa_Info, "Connecting to %s (%s)...", host, m->m_name); 44277b52738Seric rcode = sendoff(e, m, pv, ctladdr); 443a05b3449Sbostic } 444134746fbSeric #ifdef NAMED_BIND 4452bcc6d2dSeric if (ConfigLevel < 2) 446912a731aSbostic _res.options |= RES_DEFNAMES | RES_DNSRCH; /* XXX */ 447134746fbSeric #endif 4485dfc646bSeric 449c77d1c25Seric /* 45063780dbdSeric ** Do final status disposal. 45163780dbdSeric ** We check for something in tobuf for the SMTP case. 452c77d1c25Seric ** If we got a temporary failure, arrange to queue the 453c77d1c25Seric ** addressees. 454c77d1c25Seric */ 455c77d1c25Seric 45663780dbdSeric if (tobuf[0] != '\0') 457198d9be0Seric giveresponse(rcode, m, e); 458772e6e50Seric for (to = tochain; to != NULL; to = to->q_tchain) 459dde5acadSeric if (rcode != EX_OK) 46083b7ddc9Seric markfailure(e, to, rcode); 461dde5acadSeric else 462dde5acadSeric to->q_flags |= QSENT; 463c77d1c25Seric 46435490626Seric errno = 0; 465588cad61Seric define('g', (char *) NULL, e); 466c23ed322Seric define('<', (char *) NULL, e); 4675826d9d3Seric return (rcode); 46825a99e2eSeric } 4695dfc646bSeric /* 47083b7ddc9Seric ** MARKFAILURE -- mark a failure on a specific address. 47183b7ddc9Seric ** 47283b7ddc9Seric ** Parameters: 47383b7ddc9Seric ** e -- the envelope we are sending. 47483b7ddc9Seric ** q -- the address to mark. 47583b7ddc9Seric ** rcode -- the code signifying the particular failure. 47683b7ddc9Seric ** 47783b7ddc9Seric ** Returns: 47883b7ddc9Seric ** none. 47983b7ddc9Seric ** 48083b7ddc9Seric ** Side Effects: 48183b7ddc9Seric ** marks the address (and possibly the envelope) with the 48283b7ddc9Seric ** failure so that an error will be returned or 48383b7ddc9Seric ** the message will be queued, as appropriate. 48483b7ddc9Seric */ 48583b7ddc9Seric 48683b7ddc9Seric markfailure(e, q, rcode) 48783b7ddc9Seric register ENVELOPE *e; 48883b7ddc9Seric register ADDRESS *q; 48983b7ddc9Seric int rcode; 49083b7ddc9Seric { 49183b7ddc9Seric if (rcode == EX_OK) 49283b7ddc9Seric return; 493ef137175Sbostic else if (rcode != EX_TEMPFAIL && rcode != EX_IOERR && rcode != EX_OSERR) 49483b7ddc9Seric q->q_flags |= QBADADDR; 49583b7ddc9Seric else if (curtime() > e->e_ctime + TimeOut) 49683b7ddc9Seric { 49783b7ddc9Seric extern char *pintvl(); 498198d9be0Seric char buf[MAXLINE]; 49983b7ddc9Seric 50083b7ddc9Seric if (!bitset(EF_TIMEOUT, e->e_flags)) 501198d9be0Seric { 502198d9be0Seric (void) sprintf(buf, "Cannot send message for %s", 50383b7ddc9Seric pintvl(TimeOut, FALSE)); 504198d9be0Seric if (e->e_message != NULL) 505198d9be0Seric free(e->e_message); 506198d9be0Seric e->e_message = newstr(buf); 507198d9be0Seric message(Arpa_Info, buf); 508198d9be0Seric } 50983b7ddc9Seric q->q_flags |= QBADADDR; 51083b7ddc9Seric e->e_flags |= EF_TIMEOUT; 51183b7ddc9Seric } 51283b7ddc9Seric else 51383b7ddc9Seric q->q_flags |= QQUEUEUP; 51483b7ddc9Seric } 51583b7ddc9Seric /* 51632d19d43Seric ** DOFORK -- do a fork, retrying a couple of times on failure. 51732d19d43Seric ** 51832d19d43Seric ** This MUST be a macro, since after a vfork we are running 51932d19d43Seric ** two processes on the same stack!!! 52032d19d43Seric ** 52132d19d43Seric ** Parameters: 52232d19d43Seric ** none. 52332d19d43Seric ** 52432d19d43Seric ** Returns: 52532d19d43Seric ** From a macro??? You've got to be kidding! 52632d19d43Seric ** 52732d19d43Seric ** Side Effects: 52832d19d43Seric ** Modifies the ==> LOCAL <== variable 'pid', leaving: 52932d19d43Seric ** pid of child in parent, zero in child. 53032d19d43Seric ** -1 on unrecoverable error. 53132d19d43Seric ** 53232d19d43Seric ** Notes: 53332d19d43Seric ** I'm awfully sorry this looks so awful. That's 53432d19d43Seric ** vfork for you..... 53532d19d43Seric */ 53632d19d43Seric 53732d19d43Seric # define NFORKTRIES 5 53884f7cd1bSeric 53984f7cd1bSeric # ifndef FORK 54084f7cd1bSeric # define FORK fork 54184f7cd1bSeric # endif 54232d19d43Seric 54332d19d43Seric # define DOFORK(fORKfN) \ 54432d19d43Seric {\ 54532d19d43Seric register int i;\ 54632d19d43Seric \ 54711799049Seric for (i = NFORKTRIES; --i >= 0; )\ 54832d19d43Seric {\ 54932d19d43Seric pid = fORKfN();\ 55032d19d43Seric if (pid >= 0)\ 55132d19d43Seric break;\ 55211799049Seric if (i > 0)\ 5536c4635f6Seric sleep((unsigned) NFORKTRIES - i);\ 55432d19d43Seric }\ 55532d19d43Seric } 55632d19d43Seric /* 5572ed72599Seric ** DOFORK -- simple fork interface to DOFORK. 5582ed72599Seric ** 5592ed72599Seric ** Parameters: 5602ed72599Seric ** none. 5612ed72599Seric ** 5622ed72599Seric ** Returns: 5632ed72599Seric ** pid of child in parent. 5642ed72599Seric ** zero in child. 5652ed72599Seric ** -1 on error. 5662ed72599Seric ** 5672ed72599Seric ** Side Effects: 5682ed72599Seric ** returns twice, once in parent and once in child. 5692ed72599Seric */ 5702ed72599Seric 5712ed72599Seric dofork() 5722ed72599Seric { 5732ed72599Seric register int pid; 5742ed72599Seric 5752ed72599Seric DOFORK(fork); 5762ed72599Seric return (pid); 5772ed72599Seric } 5782ed72599Seric /* 5795dfc646bSeric ** SENDOFF -- send off call to mailer & collect response. 5805dfc646bSeric ** 5815dfc646bSeric ** Parameters: 582588cad61Seric ** e -- the envelope to mail. 5835dfc646bSeric ** m -- mailer descriptor. 5845dfc646bSeric ** pvp -- parameter vector to send to it. 5856259796dSeric ** ctladdr -- an address pointer controlling the 5866259796dSeric ** user/groupid etc. of the mailer. 5875dfc646bSeric ** 5885dfc646bSeric ** Returns: 5895dfc646bSeric ** exit status of mailer. 5905dfc646bSeric ** 5915dfc646bSeric ** Side Effects: 5925dfc646bSeric ** none. 5935dfc646bSeric */ 594912a731aSbostic static 59577b52738Seric sendoff(e, m, pvp, ctladdr) 596588cad61Seric register ENVELOPE *e; 597588cad61Seric MAILER *m; 5985dfc646bSeric char **pvp; 5996259796dSeric ADDRESS *ctladdr; 6005dfc646bSeric { 601c579ef51Seric auto FILE *mfile; 602c579ef51Seric auto FILE *rfile; 6035dfc646bSeric register int i; 604c579ef51Seric int pid; 605c579ef51Seric 606c579ef51Seric /* 607c579ef51Seric ** Create connection to mailer. 608c579ef51Seric */ 609c579ef51Seric 610c579ef51Seric pid = openmailer(m, pvp, ctladdr, FALSE, &mfile, &rfile); 611c579ef51Seric if (pid < 0) 612c579ef51Seric return (-1); 613c579ef51Seric 614c579ef51Seric /* 615c579ef51Seric ** Format and send message. 616c579ef51Seric */ 617c579ef51Seric 61877b52738Seric putfromline(mfile, m); 61977b52738Seric (*e->e_puthdr)(mfile, m, e); 62077b52738Seric putline("\n", mfile, m); 62177b52738Seric (*e->e_putbody)(mfile, m, e); 622c579ef51Seric (void) fclose(mfile); 6234d7d1e20Sbostic if (rfile != NULL) 6244d7d1e20Sbostic (void) fclose(rfile); 625c579ef51Seric 626c579ef51Seric i = endmailer(pid, pvp[0]); 627bc6e2962Seric 628bc6e2962Seric /* arrange a return receipt if requested */ 62957fc6f17Seric if (e->e_receiptto != NULL && bitnset(M_LOCAL, m->m_flags)) 630bc6e2962Seric { 631588cad61Seric e->e_flags |= EF_SENDRECEIPT; 632bc6e2962Seric /* do we want to send back more info? */ 633bc6e2962Seric } 634bc6e2962Seric 635c579ef51Seric return (i); 636c579ef51Seric } 637c579ef51Seric /* 638c579ef51Seric ** ENDMAILER -- Wait for mailer to terminate. 639c579ef51Seric ** 640c579ef51Seric ** We should never get fatal errors (e.g., segmentation 641c579ef51Seric ** violation), so we report those specially. For other 642c579ef51Seric ** errors, we choose a status message (into statmsg), 643c579ef51Seric ** and if it represents an error, we print it. 644c579ef51Seric ** 645c579ef51Seric ** Parameters: 646c579ef51Seric ** pid -- pid of mailer. 647c579ef51Seric ** name -- name of mailer (for error messages). 648c579ef51Seric ** 649c579ef51Seric ** Returns: 650c579ef51Seric ** exit code of mailer. 651c579ef51Seric ** 652c579ef51Seric ** Side Effects: 653c579ef51Seric ** none. 654c579ef51Seric */ 655c579ef51Seric 656c579ef51Seric endmailer(pid, name) 657c579ef51Seric int pid; 658c579ef51Seric char *name; 659c579ef51Seric { 660588cad61Seric int st; 661c579ef51Seric 66233db8731Seric /* in the IPC case there is nothing to wait for */ 66333db8731Seric if (pid == 0) 66433db8731Seric return (EX_OK); 66533db8731Seric 66633db8731Seric /* wait for the mailer process to die and collect status */ 667588cad61Seric st = waitfor(pid); 668588cad61Seric if (st == -1) 66978de67c1Seric { 670588cad61Seric syserr("endmailer %s: wait", name); 671588cad61Seric return (EX_SOFTWARE); 672c579ef51Seric } 67333db8731Seric 67433db8731Seric /* see if it died a horrid death */ 675c579ef51Seric if ((st & 0377) != 0) 676c579ef51Seric { 6775f73204aSeric syserr("mailer %s died with signal %o", name, st); 6785f73204aSeric ExitStat = EX_TEMPFAIL; 6795f73204aSeric return (EX_TEMPFAIL); 680c579ef51Seric } 68133db8731Seric 68233db8731Seric /* normal death -- return status */ 683588cad61Seric st = (st >> 8) & 0377; 684588cad61Seric return (st); 685c579ef51Seric } 686c579ef51Seric /* 687c579ef51Seric ** OPENMAILER -- open connection to mailer. 688c579ef51Seric ** 689c579ef51Seric ** Parameters: 690c579ef51Seric ** m -- mailer descriptor. 691c579ef51Seric ** pvp -- parameter vector to pass to mailer. 692c579ef51Seric ** ctladdr -- controlling address for user. 693c579ef51Seric ** clever -- create a full duplex connection. 694c579ef51Seric ** pmfile -- pointer to mfile (to mailer) connection. 695c579ef51Seric ** prfile -- pointer to rfile (from mailer) connection. 696c579ef51Seric ** 697c579ef51Seric ** Returns: 69833db8731Seric ** pid of mailer ( > 0 ). 699c579ef51Seric ** -1 on error. 70033db8731Seric ** zero on an IPC connection. 701c579ef51Seric ** 702c579ef51Seric ** Side Effects: 703c579ef51Seric ** creates a mailer in a subprocess. 704c579ef51Seric */ 705c579ef51Seric 706c579ef51Seric openmailer(m, pvp, ctladdr, clever, pmfile, prfile) 707588cad61Seric MAILER *m; 708c579ef51Seric char **pvp; 709c579ef51Seric ADDRESS *ctladdr; 710c579ef51Seric bool clever; 711c579ef51Seric FILE **pmfile; 712c579ef51Seric FILE **prfile; 713c579ef51Seric { 7145dfc646bSeric int pid; 715f8952a83Seric int mpvect[2]; 716c579ef51Seric int rpvect[2]; 717e90b7da2Sbostic FILE *mfile = NULL; 718e90b7da2Sbostic FILE *rfile = NULL; 7195dfc646bSeric extern FILE *fdopen(); 7205dfc646bSeric 7216ef48975Seric if (tTd(11, 1)) 7225dfc646bSeric { 7238c57e552Seric printf("openmailer:"); 7245dfc646bSeric printav(pvp); 7255dfc646bSeric } 72635490626Seric errno = 0; 7275dfc646bSeric 728ef66a9d0Seric CurHostName = m->m_mailer; 729ef66a9d0Seric 73033db8731Seric /* 73133db8731Seric ** Deal with the special case of mail handled through an IPC 73233db8731Seric ** connection. 73333db8731Seric ** In this case we don't actually fork. We must be 73433db8731Seric ** running SMTP for this to work. We will return a 73533db8731Seric ** zero pid to indicate that we are running IPC. 736e7c1bd78Seric ** We also handle a debug version that just talks to stdin/out. 73733db8731Seric */ 73833db8731Seric 739e7c1bd78Seric /* check for Local Person Communication -- not for mortals!!! */ 740e7c1bd78Seric if (strcmp(m->m_mailer, "[LPC]") == 0) 741e7c1bd78Seric { 742e7c1bd78Seric *pmfile = stdout; 743e7c1bd78Seric *prfile = stdin; 744e7c1bd78Seric return (0); 745e7c1bd78Seric } 746e7c1bd78Seric 747914346b1Seric if (strcmp(m->m_mailer, "[IPC]") == 0 || 748914346b1Seric strcmp(m->m_mailer, "[TCP]") == 0) 74933db8731Seric { 75084f7cd1bSeric #ifdef DAEMON 7515f73204aSeric register STAB *st; 7525f73204aSeric extern STAB *stab(); 753ebc61751Sbloom register int i, j; 7541277f9a8Seric register u_short port; 75533db8731Seric 756ef66a9d0Seric CurHostName = pvp[1]; 75733db8731Seric if (!clever) 75833db8731Seric syserr("non-clever IPC"); 75993b6e3cfSeric if (pvp[2] != NULL) 7601277f9a8Seric port = atoi(pvp[2]); 76193b6e3cfSeric else 7621277f9a8Seric port = 0; 763f1853fd7Seric for (j = 0; j < Nmx; j++) 764ebc61751Sbloom { 765f1853fd7Seric CurHostName = MxHosts[j]; 766914346b1Seric /* see if we already know that this host is fried */ 767f1853fd7Seric st = stab(MxHosts[j], ST_HOST, ST_FIND); 768914346b1Seric if (st == NULL || st->s_host.ho_exitstat == EX_OK) 769914346b1Seric { 770914346b1Seric message(Arpa_Info, "Connecting to %s (%s)...", 771912a731aSbostic MxHosts[j], m->m_name); 772914346b1Seric i = makeconnection(MxHosts[j], port, 773914346b1Seric pmfile, prfile, 774914346b1Seric bitnset(M_SECURE_PORT, m->m_flags)); 775912a731aSbostic } 7765f73204aSeric else 777ef66a9d0Seric { 7785f73204aSeric i = st->s_host.ho_exitstat; 779ef66a9d0Seric errno = st->s_host.ho_errno; 780ef66a9d0Seric } 78133db8731Seric if (i != EX_OK) 782ed854c7bSeric { 7835f73204aSeric /* enter status of this host */ 7845f73204aSeric if (st == NULL) 785f1853fd7Seric st = stab(MxHosts[j], ST_HOST, ST_ENTER); 7865f73204aSeric st->s_host.ho_exitstat = i; 7875f73204aSeric st->s_host.ho_errno = errno; 788ed854c7bSeric ExitStat = i; 789ebc61751Sbloom continue; 790ed854c7bSeric } 79133db8731Seric else 79233db8731Seric return (0); 793ebc61751Sbloom } 794ebc61751Sbloom return (-1); 795588cad61Seric #else DAEMON 796588cad61Seric syserr("openmailer: no IPC"); 797588cad61Seric return (-1); 79833db8731Seric #endif DAEMON 799588cad61Seric } 80033db8731Seric 8016328bdf7Seric /* create a pipe to shove the mail through */ 802f8952a83Seric if (pipe(mpvect) < 0) 80325a99e2eSeric { 804588cad61Seric syserr("openmailer: pipe (to mailer)"); 80525a99e2eSeric return (-1); 80625a99e2eSeric } 807c579ef51Seric 8082c7e1b8dSeric #ifdef SMTP 809c579ef51Seric /* if this mailer speaks smtp, create a return pipe */ 810c579ef51Seric if (clever && pipe(rpvect) < 0) 811c579ef51Seric { 812588cad61Seric syserr("openmailer: pipe (from mailer)"); 813c579ef51Seric (void) close(mpvect[0]); 814c579ef51Seric (void) close(mpvect[1]); 815c579ef51Seric return (-1); 816c579ef51Seric } 8172c7e1b8dSeric #endif SMTP 818c579ef51Seric 81933db8731Seric /* 82033db8731Seric ** Actually fork the mailer process. 82133db8731Seric ** DOFORK is clever about retrying. 8226984bfddSeric ** 8236984bfddSeric ** Dispose of SIGCHLD signal catchers that may be laying 8246984bfddSeric ** around so that endmail will get it. 82533db8731Seric */ 82633db8731Seric 8279a6a5f55Seric if (CurEnv->e_xfp != NULL) 8289a6a5f55Seric (void) fflush(CurEnv->e_xfp); /* for debugging */ 829588cad61Seric (void) fflush(stdout); 8306984bfddSeric # ifdef SIGCHLD 8316984bfddSeric (void) signal(SIGCHLD, SIG_DFL); 8326984bfddSeric # endif SIGCHLD 83384f7cd1bSeric DOFORK(FORK); 834f129ec7dSeric /* pid is set by DOFORK */ 83525a99e2eSeric if (pid < 0) 83625a99e2eSeric { 83733db8731Seric /* failure */ 838588cad61Seric syserr("openmailer: cannot fork"); 839f8952a83Seric (void) close(mpvect[0]); 840f8952a83Seric (void) close(mpvect[1]); 841588cad61Seric #ifdef SMTP 842c579ef51Seric if (clever) 843c579ef51Seric { 844c579ef51Seric (void) close(rpvect[0]); 845c579ef51Seric (void) close(rpvect[1]); 846c579ef51Seric } 847588cad61Seric #endif SMTP 84825a99e2eSeric return (-1); 84925a99e2eSeric } 85025a99e2eSeric else if (pid == 0) 85125a99e2eSeric { 85213088b9fSeric int i; 8535f73204aSeric extern int DtableSize; 85413088b9fSeric 85525a99e2eSeric /* child -- set up input & exec mailer */ 85603ab8e55Seric /* make diagnostic output be standard output */ 8578f0e7860Seric (void) signal(SIGINT, SIG_IGN); 8588f0e7860Seric (void) signal(SIGHUP, SIG_IGN); 8590984da9fSeric (void) signal(SIGTERM, SIG_DFL); 860f8952a83Seric 861f8952a83Seric /* arrange to filter standard & diag output of command */ 862c579ef51Seric if (clever) 863c579ef51Seric { 864c579ef51Seric (void) close(rpvect[0]); 865c579ef51Seric (void) close(1); 866c579ef51Seric (void) dup(rpvect[1]); 867c579ef51Seric (void) close(rpvect[1]); 868c579ef51Seric } 869276723a8Seric else if (OpMode == MD_SMTP || HoldErrs) 870f8952a83Seric { 871588cad61Seric /* put mailer output in transcript */ 872f8952a83Seric (void) close(1); 8739a6a5f55Seric (void) dup(fileno(CurEnv->e_xfp)); 874f8952a83Seric } 875db8841e9Seric (void) close(2); 876db8841e9Seric (void) dup(1); 877f8952a83Seric 878f8952a83Seric /* arrange to get standard input */ 879f8952a83Seric (void) close(mpvect[1]); 880db8841e9Seric (void) close(0); 881f8952a83Seric if (dup(mpvect[0]) < 0) 88225a99e2eSeric { 88325a99e2eSeric syserr("Cannot dup to zero!"); 884a590b978Seric _exit(EX_OSERR); 88525a99e2eSeric } 886f8952a83Seric (void) close(mpvect[0]); 88757fc6f17Seric if (!bitnset(M_RESTR, m->m_flags)) 8880984da9fSeric { 88953e3fa05Seric if (ctladdr == NULL || ctladdr->q_uid == 0) 890e36b99e2Seric { 891e36b99e2Seric (void) setgid(DefGid); 892898a126bSbostic (void) initgroups(DefUser, DefGid); 893e36b99e2Seric (void) setuid(DefUid); 894e36b99e2Seric } 895e36b99e2Seric else 89669f29479Seric { 897e36b99e2Seric (void) setgid(ctladdr->q_gid); 898898a126bSbostic (void) initgroups(ctladdr->q_ruser? 899898a126bSbostic ctladdr->q_ruser: ctladdr->q_user, 900898a126bSbostic ctladdr->q_gid); 901e36b99e2Seric (void) setuid(ctladdr->q_uid); 90269f29479Seric } 9030984da9fSeric } 904588cad61Seric 90513088b9fSeric /* arrange for all the files to be closed */ 906fccb3f7aSbostic for (i = 3; i < DtableSize; i++) { 907fccb3f7aSbostic register int j; 908fccb3f7aSbostic if ((j = fcntl(i, F_GETFD, 0)) != -1) 909fccb3f7aSbostic (void)fcntl(i, F_SETFD, j|1); 910fccb3f7aSbostic } 91133db8731Seric 91233db8731Seric /* try to execute the mailer */ 9135df317aaSeric execve(m->m_mailer, pvp, UserEnviron); 91413088b9fSeric syserr("Cannot exec %s", m->m_mailer); 91595b76e4bSeric if (m == LocalMailer) 91655f33c03Seric _exit(EX_TEMPFAIL); 91795b76e4bSeric switch (errno) 91895b76e4bSeric { 91995b76e4bSeric case EIO: 92095b76e4bSeric case EAGAIN: 92195b76e4bSeric case ENOMEM: 92295b76e4bSeric # ifdef EPROCLIM 92395b76e4bSeric case EPROCLIM: 92495b76e4bSeric # endif 92595b76e4bSeric _exit(EX_TEMPFAIL); 92695b76e4bSeric } 927a590b978Seric _exit(EX_UNAVAILABLE); 92825a99e2eSeric } 92925a99e2eSeric 930f8952a83Seric /* 931c579ef51Seric ** Set up return value. 932f8952a83Seric */ 933f8952a83Seric 934f8952a83Seric (void) close(mpvect[0]); 935f8952a83Seric mfile = fdopen(mpvect[1], "w"); 936c579ef51Seric if (clever) 93725a99e2eSeric { 938c579ef51Seric (void) close(rpvect[1]); 939c579ef51Seric rfile = fdopen(rpvect[0], "r"); 9404d7d1e20Sbostic } else 9414d7d1e20Sbostic rfile = NULL; 942c579ef51Seric 943c579ef51Seric *pmfile = mfile; 944c579ef51Seric *prfile = rfile; 945c579ef51Seric 946c579ef51Seric return (pid); 94725a99e2eSeric } 94825a99e2eSeric /* 94925a99e2eSeric ** GIVERESPONSE -- Interpret an error response from a mailer 95025a99e2eSeric ** 95125a99e2eSeric ** Parameters: 95225a99e2eSeric ** stat -- the status code from the mailer (high byte 95325a99e2eSeric ** only; core dumps must have been taken care of 95425a99e2eSeric ** already). 95525a99e2eSeric ** m -- the mailer descriptor for this mailer. 95625a99e2eSeric ** 95725a99e2eSeric ** Returns: 958db8841e9Seric ** none. 95925a99e2eSeric ** 96025a99e2eSeric ** Side Effects: 961c1f9df2cSeric ** Errors may be incremented. 96225a99e2eSeric ** ExitStat may be set. 96325a99e2eSeric */ 96425a99e2eSeric 965198d9be0Seric giveresponse(stat, m, e) 96625a99e2eSeric int stat; 967588cad61Seric register MAILER *m; 968198d9be0Seric ENVELOPE *e; 96925a99e2eSeric { 97025a99e2eSeric register char *statmsg; 97125a99e2eSeric extern char *SysExMsg[]; 97225a99e2eSeric register int i; 973d4bd8f0eSbostic extern int N_SysEx; 974d4bd8f0eSbostic #ifdef NAMED_BIND 975d4bd8f0eSbostic extern int h_errno; 976d4bd8f0eSbostic #endif 977198d9be0Seric char buf[MAXLINE]; 97825a99e2eSeric 9797d1fc79dSeric #ifdef lint 9807d1fc79dSeric if (m == NULL) 9817d1fc79dSeric return; 9827d1fc79dSeric #endif lint 9837d1fc79dSeric 98413bbc08cSeric /* 98513bbc08cSeric ** Compute status message from code. 98613bbc08cSeric */ 98713bbc08cSeric 98825a99e2eSeric i = stat - EX__BASE; 989588cad61Seric if (stat == 0) 990588cad61Seric statmsg = "250 Sent"; 991588cad61Seric else if (i < 0 || i > N_SysEx) 992588cad61Seric { 993588cad61Seric (void) sprintf(buf, "554 unknown mailer error %d", stat); 994588cad61Seric stat = EX_UNAVAILABLE; 995588cad61Seric statmsg = buf; 996588cad61Seric } 997198d9be0Seric else if (stat == EX_TEMPFAIL) 998198d9be0Seric { 9998557d168Seric (void) strcpy(buf, SysExMsg[i]); 1000d4bd8f0eSbostic #ifdef NAMED_BIND 1001f28da541Smiriam if (h_errno == TRY_AGAIN) 1002f28da541Smiriam { 1003f28da541Smiriam extern char *errstring(); 1004f28da541Smiriam 1005f28da541Smiriam statmsg = errstring(h_errno+MAX_ERRNO); 1006f28da541Smiriam } 1007f28da541Smiriam else 1008d4bd8f0eSbostic #endif 1009f28da541Smiriam { 10108557d168Seric if (errno != 0) 1011198d9be0Seric { 101287c9b3e7Seric extern char *errstring(); 10138557d168Seric 1014d87e85f3Seric statmsg = errstring(errno); 1015d87e85f3Seric } 1016d87e85f3Seric else 1017d87e85f3Seric { 1018d87e85f3Seric #ifdef SMTP 1019d87e85f3Seric extern char SmtpError[]; 1020d87e85f3Seric 1021d87e85f3Seric statmsg = SmtpError; 1022d87e85f3Seric #else SMTP 1023d87e85f3Seric statmsg = NULL; 1024d87e85f3Seric #endif SMTP 1025d87e85f3Seric } 1026f28da541Smiriam } 1027d87e85f3Seric if (statmsg != NULL && statmsg[0] != '\0') 1028d87e85f3Seric { 102987c9b3e7Seric (void) strcat(buf, ": "); 1030d87e85f3Seric (void) strcat(buf, statmsg); 10318557d168Seric } 1032198d9be0Seric statmsg = buf; 1033198d9be0Seric } 103425a99e2eSeric else 1035d87e85f3Seric { 103625a99e2eSeric statmsg = SysExMsg[i]; 1037d87e85f3Seric } 1038588cad61Seric 1039588cad61Seric /* 1040588cad61Seric ** Print the message as appropriate 1041588cad61Seric */ 1042588cad61Seric 1043198d9be0Seric if (stat == EX_OK || stat == EX_TEMPFAIL) 10445826d9d3Seric message(Arpa_Info, &statmsg[4]); 104525a99e2eSeric else 104625a99e2eSeric { 1047c1f9df2cSeric Errors++; 10485826d9d3Seric usrerr(statmsg); 104925a99e2eSeric } 105025a99e2eSeric 105125a99e2eSeric /* 105225a99e2eSeric ** Final cleanup. 105325a99e2eSeric ** Log a record of the transaction. Compute the new 105425a99e2eSeric ** ExitStat -- if we already had an error, stick with 105525a99e2eSeric ** that. 105625a99e2eSeric */ 105725a99e2eSeric 105861f5a1d4Seric if (LogLevel > ((stat == 0 || stat == EX_TEMPFAIL) ? 3 : 2)) 1059eb238f8cSeric logdelivery(&statmsg[4]); 1060eb238f8cSeric 1061eb238f8cSeric if (stat != EX_TEMPFAIL) 1062eb238f8cSeric setstat(stat); 1063198d9be0Seric if (stat != EX_OK) 1064198d9be0Seric { 1065198d9be0Seric if (e->e_message != NULL) 1066198d9be0Seric free(e->e_message); 1067198d9be0Seric e->e_message = newstr(&statmsg[4]); 1068198d9be0Seric } 10698557d168Seric errno = 0; 1070d4bd8f0eSbostic #ifdef NAMED_BIND 1071f28da541Smiriam h_errno = 0; 1072d4bd8f0eSbostic #endif 1073eb238f8cSeric } 1074eb238f8cSeric /* 1075eb238f8cSeric ** LOGDELIVERY -- log the delivery in the system log 1076eb238f8cSeric ** 1077eb238f8cSeric ** Parameters: 1078eb238f8cSeric ** stat -- the message to print for the status 1079eb238f8cSeric ** 1080eb238f8cSeric ** Returns: 1081eb238f8cSeric ** none 1082eb238f8cSeric ** 1083eb238f8cSeric ** Side Effects: 1084eb238f8cSeric ** none 1085eb238f8cSeric */ 1086eb238f8cSeric 1087eb238f8cSeric logdelivery(stat) 1088eb238f8cSeric char *stat; 10895cf56be3Seric { 10905cf56be3Seric extern char *pintvl(); 10915cf56be3Seric 1092eb238f8cSeric # ifdef LOG 10935cf56be3Seric syslog(LOG_INFO, "%s: to=%s, delay=%s, stat=%s", CurEnv->e_id, 1094eb238f8cSeric CurEnv->e_to, pintvl(curtime() - CurEnv->e_ctime, TRUE), stat); 109525a99e2eSeric # endif LOG 109625a99e2eSeric } 109725a99e2eSeric /* 109851552439Seric ** PUTFROMLINE -- output a UNIX-style from line (or whatever) 109925a99e2eSeric ** 110051552439Seric ** This can be made an arbitrary message separator by changing $l 110151552439Seric ** 11029b6c17a6Seric ** One of the ugliest hacks seen by human eyes is contained herein: 11039b6c17a6Seric ** UUCP wants those stupid "remote from <host>" lines. Why oh why 11049b6c17a6Seric ** does a well-meaning programmer such as myself have to deal with 11059b6c17a6Seric ** this kind of antique garbage???? 110625a99e2eSeric ** 110725a99e2eSeric ** Parameters: 110851552439Seric ** fp -- the file to output to. 110951552439Seric ** m -- the mailer describing this entry. 111025a99e2eSeric ** 111125a99e2eSeric ** Returns: 111251552439Seric ** none 111325a99e2eSeric ** 111425a99e2eSeric ** Side Effects: 111551552439Seric ** outputs some text to fp. 111625a99e2eSeric */ 111725a99e2eSeric 111877b52738Seric putfromline(fp, m) 111951552439Seric register FILE *fp; 112051552439Seric register MAILER *m; 112125a99e2eSeric { 11229b6c17a6Seric char *template = "\001l\n"; 112351552439Seric char buf[MAXLINE]; 112425a99e2eSeric 112557fc6f17Seric if (bitnset(M_NHDR, m->m_flags)) 112651552439Seric return; 112713bbc08cSeric 11282c7e1b8dSeric # ifdef UGLYUUCP 112957fc6f17Seric if (bitnset(M_UGLYUUCP, m->m_flags)) 113074b6e67bSeric { 1131ea09d6edSeric char *bang; 1132ea09d6edSeric char xbuf[MAXLINE]; 113374b6e67bSeric 1134c23ed322Seric expand("\001<", buf, &buf[sizeof buf - 1], CurEnv); 1135ea09d6edSeric bang = index(buf, '!'); 113674b6e67bSeric if (bang == NULL) 1137ea09d6edSeric syserr("No ! in UUCP! (%s)", buf); 113874b6e67bSeric else 1139588cad61Seric { 1140ea09d6edSeric *bang++ = '\0'; 11419b6c17a6Seric (void) sprintf(xbuf, "From %s \001d remote from %s\n", bang, buf); 1142ea09d6edSeric template = xbuf; 114374b6e67bSeric } 1144588cad61Seric } 11452c7e1b8dSeric # endif UGLYUUCP 1146ea09d6edSeric expand(template, buf, &buf[sizeof buf - 1], CurEnv); 114777b52738Seric putline(buf, fp, m); 1148bc6e2962Seric } 1149bc6e2962Seric /* 115051552439Seric ** PUTBODY -- put the body of a message. 115151552439Seric ** 115251552439Seric ** Parameters: 115351552439Seric ** fp -- file to output onto. 115477b52738Seric ** m -- a mailer descriptor to control output format. 11559a6a5f55Seric ** e -- the envelope to put out. 115651552439Seric ** 115751552439Seric ** Returns: 115851552439Seric ** none. 115951552439Seric ** 116051552439Seric ** Side Effects: 116151552439Seric ** The message is written onto fp. 116251552439Seric */ 116351552439Seric 116477b52738Seric putbody(fp, m, e) 116551552439Seric FILE *fp; 1166588cad61Seric MAILER *m; 11679a6a5f55Seric register ENVELOPE *e; 116851552439Seric { 116977b52738Seric char buf[MAXLINE]; 117051552439Seric 117151552439Seric /* 117251552439Seric ** Output the body of the message 117351552439Seric */ 117451552439Seric 11759a6a5f55Seric if (e->e_dfp == NULL) 117651552439Seric { 11779a6a5f55Seric if (e->e_df != NULL) 11789a6a5f55Seric { 11799a6a5f55Seric e->e_dfp = fopen(e->e_df, "r"); 11809a6a5f55Seric if (e->e_dfp == NULL) 11818f9146b0Srick syserr("putbody: Cannot open %s for %s from %s", 11828f9146b0Srick e->e_df, e->e_to, e->e_from); 11839a6a5f55Seric } 11849a6a5f55Seric else 118577b52738Seric putline("<<< No Message Collected >>>", fp, m); 11869a6a5f55Seric } 11879a6a5f55Seric if (e->e_dfp != NULL) 11889a6a5f55Seric { 11899a6a5f55Seric rewind(e->e_dfp); 119077b52738Seric while (!ferror(fp) && fgets(buf, sizeof buf, e->e_dfp) != NULL) 119124fc8aeeSeric { 119224fc8aeeSeric if (buf[0] == 'F' && bitnset(M_ESCFROM, m->m_flags) && 1193d6fa2b58Sbostic strncmp(buf, "From ", 5) == 0) 11943462ad9eSeric (void) putc('>', fp); 119577b52738Seric putline(buf, fp, m); 119624fc8aeeSeric } 119751552439Seric 11989a6a5f55Seric if (ferror(e->e_dfp)) 119951552439Seric { 120051552439Seric syserr("putbody: read error"); 120151552439Seric ExitStat = EX_IOERR; 120251552439Seric } 120351552439Seric } 120451552439Seric 120551552439Seric (void) fflush(fp); 120651552439Seric if (ferror(fp) && errno != EPIPE) 120751552439Seric { 120851552439Seric syserr("putbody: write error"); 120951552439Seric ExitStat = EX_IOERR; 121051552439Seric } 121151552439Seric errno = 0; 121225a99e2eSeric } 121325a99e2eSeric /* 121425a99e2eSeric ** MAILFILE -- Send a message to a file. 121525a99e2eSeric ** 1216f129ec7dSeric ** If the file has the setuid/setgid bits set, but NO execute 1217f129ec7dSeric ** bits, sendmail will try to become the owner of that file 1218f129ec7dSeric ** rather than the real user. Obviously, this only works if 1219f129ec7dSeric ** sendmail runs as root. 1220f129ec7dSeric ** 1221588cad61Seric ** This could be done as a subordinate mailer, except that it 1222588cad61Seric ** is used implicitly to save messages in ~/dead.letter. We 1223588cad61Seric ** view this as being sufficiently important as to include it 1224588cad61Seric ** here. For example, if the system is dying, we shouldn't have 1225588cad61Seric ** to create another process plus some pipes to save the message. 1226588cad61Seric ** 122725a99e2eSeric ** Parameters: 122825a99e2eSeric ** filename -- the name of the file to send to. 12296259796dSeric ** ctladdr -- the controlling address header -- includes 12306259796dSeric ** the userid/groupid to be when sending. 123125a99e2eSeric ** 123225a99e2eSeric ** Returns: 123325a99e2eSeric ** The exit code associated with the operation. 123425a99e2eSeric ** 123525a99e2eSeric ** Side Effects: 123625a99e2eSeric ** none. 123725a99e2eSeric */ 123825a99e2eSeric 12396259796dSeric mailfile(filename, ctladdr) 124025a99e2eSeric char *filename; 12416259796dSeric ADDRESS *ctladdr; 124225a99e2eSeric { 124325a99e2eSeric register FILE *f; 124432d19d43Seric register int pid; 12458f9146b0Srick ENVELOPE *e = CurEnv; 124625a99e2eSeric 124732d19d43Seric /* 124832d19d43Seric ** Fork so we can change permissions here. 124932d19d43Seric ** Note that we MUST use fork, not vfork, because of 125032d19d43Seric ** the complications of calling subroutines, etc. 125132d19d43Seric */ 125232d19d43Seric 125332d19d43Seric DOFORK(fork); 125432d19d43Seric 125532d19d43Seric if (pid < 0) 125632d19d43Seric return (EX_OSERR); 125732d19d43Seric else if (pid == 0) 125832d19d43Seric { 125932d19d43Seric /* child -- actually write to file */ 1260f129ec7dSeric struct stat stb; 1261f129ec7dSeric 12620984da9fSeric (void) signal(SIGINT, SIG_DFL); 12630984da9fSeric (void) signal(SIGHUP, SIG_DFL); 12640984da9fSeric (void) signal(SIGTERM, SIG_DFL); 12653462ad9eSeric (void) umask(OldUmask); 1266*95f16dc0Seric 1267f129ec7dSeric if (stat(filename, &stb) < 0) 1268e6e1265fSeric stb.st_mode = 0666; 1269*95f16dc0Seric 1270*95f16dc0Seric /* limit the errors to those actually caused in the child */ 1271*95f16dc0Seric errno = 0; 1272*95f16dc0Seric ExitStat = EX_OK; 1273*95f16dc0Seric 1274f129ec7dSeric if (bitset(0111, stb.st_mode)) 1275f129ec7dSeric exit(EX_CANTCREAT); 127603827b5fSeric if (ctladdr == NULL) 12778f9146b0Srick ctladdr = &e->e_from; 12788f9146b0Srick /* we have to open the dfile BEFORE setuid */ 12798f9146b0Srick if (e->e_dfp == NULL && e->e_df != NULL) 12808f9146b0Srick { 12818f9146b0Srick e->e_dfp = fopen(e->e_df, "r"); 1282*95f16dc0Seric if (e->e_dfp == NULL) 1283*95f16dc0Seric { 12848f9146b0Srick syserr("mailfile: Cannot open %s for %s from %s", 12858f9146b0Srick e->e_df, e->e_to, e->e_from); 12868f9146b0Srick } 12878f9146b0Srick } 12888f9146b0Srick 1289f129ec7dSeric if (!bitset(S_ISGID, stb.st_mode) || setgid(stb.st_gid) < 0) 1290e36b99e2Seric { 1291*95f16dc0Seric if (ctladdr->q_uid == 0) 1292*95f16dc0Seric { 1293e36b99e2Seric (void) setgid(DefGid); 1294898a126bSbostic (void) initgroups(DefUser, DefGid); 1295*95f16dc0Seric } 1296*95f16dc0Seric else 1297*95f16dc0Seric { 12986259796dSeric (void) setgid(ctladdr->q_gid); 1299898a126bSbostic (void) initgroups(ctladdr->q_ruser? 1300898a126bSbostic ctladdr->q_ruser: ctladdr->q_user, 1301898a126bSbostic ctladdr->q_gid); 1302898a126bSbostic } 1303e36b99e2Seric } 1304f129ec7dSeric if (!bitset(S_ISUID, stb.st_mode) || setuid(stb.st_uid) < 0) 1305e36b99e2Seric { 1306e36b99e2Seric if (ctladdr->q_uid == 0) 1307e36b99e2Seric (void) setuid(DefUid); 1308e36b99e2Seric else 13096259796dSeric (void) setuid(ctladdr->q_uid); 1310e36b99e2Seric } 1311*95f16dc0Seric FileName = filename; 1312*95f16dc0Seric LineNumber = 0; 131327628d59Seric f = dfopen(filename, "a"); 131425a99e2eSeric if (f == NULL) 1315*95f16dc0Seric { 1316*95f16dc0Seric message("cannot open"); 131732d19d43Seric exit(EX_CANTCREAT); 1318*95f16dc0Seric } 131925a99e2eSeric 132077b52738Seric putfromline(f, ProgMailer); 132177b52738Seric (*CurEnv->e_puthdr)(f, ProgMailer, CurEnv); 132277b52738Seric putline("\n", f, ProgMailer); 132377b52738Seric (*CurEnv->e_putbody)(f, ProgMailer, CurEnv); 132477b52738Seric putline("\n", f, ProgMailer); 1325*95f16dc0Seric if (ferror(f)) 1326*95f16dc0Seric { 1327*95f16dc0Seric message("I/O error"); 1328*95f16dc0Seric setstat(EX_IOERR); 1329*95f16dc0Seric } 1330db8841e9Seric (void) fclose(f); 133132d19d43Seric (void) fflush(stdout); 1332e36b99e2Seric 133327628d59Seric /* reset ISUID & ISGID bits for paranoid systems */ 1334c77d1c25Seric (void) chmod(filename, (int) stb.st_mode); 1335*95f16dc0Seric exit(ExitStat); 133613bbc08cSeric /*NOTREACHED*/ 133732d19d43Seric } 133832d19d43Seric else 133932d19d43Seric { 134032d19d43Seric /* parent -- wait for exit status */ 1341588cad61Seric int st; 134232d19d43Seric 1343588cad61Seric st = waitfor(pid); 1344588cad61Seric if ((st & 0377) != 0) 1345588cad61Seric return (EX_UNAVAILABLE); 1346588cad61Seric else 1347588cad61Seric return ((st >> 8) & 0377); 13488f9146b0Srick /*NOTREACHED*/ 134932d19d43Seric } 135025a99e2eSeric } 1351ea4dc939Seric /* 1352ea4dc939Seric ** SENDALL -- actually send all the messages. 1353ea4dc939Seric ** 1354ea4dc939Seric ** Parameters: 13550c52a0b3Seric ** e -- the envelope to send. 13567b95031aSeric ** mode -- the delivery mode to use. If SM_DEFAULT, use 13577b95031aSeric ** the current SendMode. 1358ea4dc939Seric ** 1359ea4dc939Seric ** Returns: 1360ea4dc939Seric ** none. 1361ea4dc939Seric ** 1362ea4dc939Seric ** Side Effects: 1363ea4dc939Seric ** Scans the send lists and sends everything it finds. 13640c52a0b3Seric ** Delivers any appropriate error messages. 1365276723a8Seric ** If we are running in a non-interactive mode, takes the 1366276723a8Seric ** appropriate action. 1367ea4dc939Seric */ 1368ea4dc939Seric 1369276723a8Seric sendall(e, mode) 13700c52a0b3Seric ENVELOPE *e; 1371276723a8Seric char mode; 1372ea4dc939Seric { 1373e77e673fSeric register ADDRESS *q; 137414a8ed7aSeric bool oldverbose; 1375276723a8Seric int pid; 1376dde5acadSeric int nsent; 13771c265a00Seric # ifdef LOCKF 13781c265a00Seric struct flock lfd; 13791c265a00Seric # endif 1380ea4dc939Seric 13817b95031aSeric /* determine actual delivery mode */ 13827b95031aSeric if (mode == SM_DEFAULT) 13837b95031aSeric { 13845f73204aSeric extern bool shouldqueue(); 13857b95031aSeric 13865f73204aSeric if (shouldqueue(e->e_msgpriority)) 13877b95031aSeric mode = SM_QUEUE; 13887b95031aSeric else 13897b95031aSeric mode = SendMode; 13907b95031aSeric } 13917b95031aSeric 1392df864a8fSeric if (tTd(13, 1)) 1393772e6e50Seric { 1394276723a8Seric printf("\nSENDALL: mode %c, sendqueue:\n", mode); 13950c52a0b3Seric printaddr(e->e_sendqueue, TRUE); 1396772e6e50Seric } 1397ea4dc939Seric 13980c52a0b3Seric /* 1399276723a8Seric ** Do any preprocessing necessary for the mode we are running. 1400588cad61Seric ** Check to make sure the hop count is reasonable. 1401588cad61Seric ** Delete sends to the sender in mailing lists. 1402276723a8Seric */ 1403276723a8Seric 1404588cad61Seric CurEnv = e; 1405276723a8Seric 14061d57450bSeric if (e->e_hopcount > MaxHopCount) 1407276723a8Seric { 14088f9146b0Srick errno = 0; 14098f9146b0Srick syserr("sendall: too many hops %d (%d max): from %s, to %s", 14101d57450bSeric e->e_hopcount, MaxHopCount, e->e_from, e->e_to); 1411588cad61Seric return; 1412588cad61Seric } 1413588cad61Seric 1414588cad61Seric if (!MeToo) 1415276723a8Seric { 1416f3d6c55cSeric extern ADDRESS *recipient(); 1417f3d6c55cSeric 1418588cad61Seric e->e_from.q_flags |= QDONTSEND; 1419f3d6c55cSeric (void) recipient(&e->e_from, &e->e_sendqueue); 1420276723a8Seric } 1421588cad61Seric 1422588cad61Seric # ifdef QUEUE 1423b254bcb6Seric if ((mode == SM_QUEUE || mode == SM_FORK || 1424b254bcb6Seric (mode != SM_VERIFY && SuperSafe)) && 1425b254bcb6Seric !bitset(EF_INQUEUE, e->e_flags)) 1426e020b127Seric queueup(e, TRUE, mode == SM_QUEUE); 1427276723a8Seric #endif QUEUE 1428276723a8Seric 1429276723a8Seric oldverbose = Verbose; 1430276723a8Seric switch (mode) 1431276723a8Seric { 1432276723a8Seric case SM_VERIFY: 1433276723a8Seric Verbose = TRUE; 1434276723a8Seric break; 1435276723a8Seric 1436276723a8Seric case SM_QUEUE: 1437c7f5410dSeric queueonly: 1438b254bcb6Seric e->e_flags |= EF_INQUEUE|EF_KEEPQUEUE; 1439276723a8Seric return; 1440276723a8Seric 1441276723a8Seric case SM_FORK: 14429a6a5f55Seric if (e->e_xfp != NULL) 14439a6a5f55Seric (void) fflush(e->e_xfp); 1444c7f5410dSeric 1445c7f5410dSeric # ifdef LOCKF 1446c7f5410dSeric /* 1447c7f5410dSeric ** Since lockf has the interesting semantic that the 14481c265a00Seric ** lock is lost when we fork, we have to risk losing 14491c265a00Seric ** the lock here by closing before the fork, and then 14501c265a00Seric ** trying to get it back in the child. 1451c7f5410dSeric */ 1452c7f5410dSeric 1453e020b127Seric if (e->e_lockfp != NULL) 1454c7f5410dSeric { 1455e020b127Seric (void) fclose(e->e_lockfp); 1456e020b127Seric e->e_lockfp = NULL; 1457c7f5410dSeric } 1458c7f5410dSeric # endif /* LOCKF */ 1459c7f5410dSeric 1460276723a8Seric pid = fork(); 1461276723a8Seric if (pid < 0) 1462276723a8Seric { 1463c7f5410dSeric goto queueonly; 1464276723a8Seric } 1465276723a8Seric else if (pid > 0) 1466a6fce3d8Seric { 1467a6fce3d8Seric /* be sure we leave the temp files to our child */ 1468b254bcb6Seric e->e_id = e->e_df = NULL; 1469c7f5410dSeric # ifndef LOCKF 1470e020b127Seric if (e->e_lockfp != NULL) 1471e020b127Seric (void) fclose(e->e_lockfp); 1472c7f5410dSeric # endif 1473276723a8Seric return; 1474a6fce3d8Seric } 1475276723a8Seric 1476276723a8Seric /* double fork to avoid zombies */ 1477276723a8Seric if (fork() > 0) 1478276723a8Seric exit(EX_OK); 1479276723a8Seric 1480a6fce3d8Seric /* be sure we are immune from the terminal */ 1481769e215aSeric disconnect(FALSE); 1482a6fce3d8Seric 1483e6720d51Seric # ifdef LOCKF 1484e6720d51Seric /* 1485c7f5410dSeric ** Now try to get our lock back. 1486e6720d51Seric */ 1487e6720d51Seric 14881c265a00Seric lfd.l_type = F_WRLCK; 14891c265a00Seric lfd.l_whence = lfd.l_start = lfd.l_len = 0; 1490e020b127Seric e->e_lockfp = fopen(queuename(e, 'q'), "r+"); 1491e020b127Seric if (e->e_lockfp == NULL || 14921c265a00Seric fcntl(fileno(e->e_lockfp), F_SETLK, &lfd) < 0) 1493e6720d51Seric { 1494e6720d51Seric /* oops.... lost it */ 1495e6720d51Seric # ifdef LOG 1496e6720d51Seric if (LogLevel > 5) 1497c7f5410dSeric syslog(LOG_NOTICE, "%s: lost lock: %m", 1498e6720d51Seric CurEnv->e_id); 1499e6720d51Seric # endif /* LOG */ 1500e6720d51Seric exit(EX_OK); 1501e6720d51Seric } 1502e6720d51Seric # endif /* LOCKF */ 1503e6720d51Seric 1504276723a8Seric break; 1505276723a8Seric } 1506276723a8Seric 1507276723a8Seric /* 15080c52a0b3Seric ** Run through the list and send everything. 15090c52a0b3Seric */ 15100c52a0b3Seric 1511dde5acadSeric nsent = 0; 15120c52a0b3Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 1513ea4dc939Seric { 1514276723a8Seric if (mode == SM_VERIFY) 1515ea4dc939Seric { 1516a6fce3d8Seric e->e_to = q->q_paddr; 1517e77e673fSeric if (!bitset(QDONTSEND|QBADADDR, q->q_flags)) 1518ea4dc939Seric message(Arpa_Info, "deliverable"); 1519ea4dc939Seric } 1520dde5acadSeric else if (!bitset(QDONTSEND, q->q_flags)) 1521dde5acadSeric { 1522de1179f5Seric # ifdef QUEUE 1523dde5acadSeric /* 1524dde5acadSeric ** Checkpoint the send list every few addresses 1525dde5acadSeric */ 1526dde5acadSeric 1527dde5acadSeric if (nsent >= CheckpointInterval) 1528dde5acadSeric { 1529e020b127Seric queueup(e, TRUE, FALSE); 1530dde5acadSeric nsent = 0; 1531dde5acadSeric } 1532de1179f5Seric # endif /* QUEUE */ 1533dde5acadSeric if (deliver(e, q) == EX_OK) 1534dde5acadSeric nsent++; 1535dde5acadSeric } 1536ea4dc939Seric } 153714a8ed7aSeric Verbose = oldverbose; 15380c52a0b3Seric 15390c52a0b3Seric /* 15400c52a0b3Seric ** Now run through and check for errors. 15410c52a0b3Seric */ 15420c52a0b3Seric 1543e020b127Seric if (mode == SM_VERIFY) 15440c52a0b3Seric return; 15450c52a0b3Seric 15460c52a0b3Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 15470c52a0b3Seric { 15480c52a0b3Seric register ADDRESS *qq; 15490c52a0b3Seric 1550df864a8fSeric if (tTd(13, 3)) 1551df864a8fSeric { 1552df864a8fSeric printf("Checking "); 1553df864a8fSeric printaddr(q, FALSE); 1554df864a8fSeric } 1555df864a8fSeric 1556b254bcb6Seric /* only send errors if the message failed */ 1557b254bcb6Seric if (!bitset(QBADADDR, q->q_flags)) 1558b254bcb6Seric continue; 15590c52a0b3Seric 15600c52a0b3Seric /* we have an address that failed -- find the parent */ 15610c52a0b3Seric for (qq = q; qq != NULL; qq = qq->q_alias) 15620c52a0b3Seric { 15630c52a0b3Seric char obuf[MAXNAME + 6]; 15640c52a0b3Seric extern char *aliaslookup(); 15650c52a0b3Seric 15660c52a0b3Seric /* we can only have owners for local addresses */ 156757fc6f17Seric if (!bitnset(M_LOCAL, qq->q_mailer->m_flags)) 15680c52a0b3Seric continue; 15690c52a0b3Seric 15700c52a0b3Seric /* see if the owner list exists */ 15710c52a0b3Seric (void) strcpy(obuf, "owner-"); 1572cec031e3Seric if (strncmp(qq->q_user, "owner-", 6) == 0) 1573cec031e3Seric (void) strcat(obuf, "owner"); 1574cec031e3Seric else 15750c52a0b3Seric (void) strcat(obuf, qq->q_user); 1576ef137175Sbostic makelower(obuf); 15770c52a0b3Seric if (aliaslookup(obuf) == NULL) 15780c52a0b3Seric continue; 15790c52a0b3Seric 1580df864a8fSeric if (tTd(13, 4)) 1581df864a8fSeric printf("Errors to %s\n", obuf); 1582df864a8fSeric 15830c52a0b3Seric /* owner list exists -- add it to the error queue */ 1584e3e4ed86Seric sendtolist(obuf, (ADDRESS *) NULL, &e->e_errorqueue); 158553e3fa05Seric ErrorMode = EM_MAIL; 15860c52a0b3Seric break; 15870c52a0b3Seric } 15880c52a0b3Seric 15890c52a0b3Seric /* if we did not find an owner, send to the sender */ 15907455aa0bSeric if (qq == NULL && bitset(QBADADDR, q->q_flags)) 1591e3e4ed86Seric sendtolist(e->e_from.q_paddr, qq, &e->e_errorqueue); 15920c52a0b3Seric } 1593276723a8Seric 1594276723a8Seric if (mode == SM_FORK) 1595276723a8Seric finis(); 15960c52a0b3Seric } 1597