125a99e2eSeric # include <signal.h> 254aa2b0fSeric # include <errno.h> 3b20b3270Seric # include "sendmail.h" 4c77d1c25Seric # include <sys/stat.h> 525a99e2eSeric # ifdef LOG 6e374fd72Seric # include <syslog.h> 725a99e2eSeric # endif LOG 825a99e2eSeric 9*b8a19582Seric SCCSID(@(#)deliver.c 3.95 08/07/82); 10259cace7Seric 1125a99e2eSeric /* 1213bbc08cSeric ** DELIVER -- Deliver a message to a list of addresses. 1313bbc08cSeric ** 1413bbc08cSeric ** This routine delivers to everyone on the same host as the 1513bbc08cSeric ** user on the head of the list. It is clever about mailers 1613bbc08cSeric ** that don't handle multiple users. It is NOT guaranteed 1713bbc08cSeric ** that it will deliver to all these addresses however -- so 1813bbc08cSeric ** deliver should be called once for each address on the 1913bbc08cSeric ** list. 2025a99e2eSeric ** 2125a99e2eSeric ** Parameters: 22c77d1c25Seric ** firstto -- head of the address list to deliver to. 2325a99e2eSeric ** 2425a99e2eSeric ** Returns: 2525a99e2eSeric ** zero -- successfully delivered. 2625a99e2eSeric ** else -- some failure, see ExitStat for more info. 2725a99e2eSeric ** 2825a99e2eSeric ** Side Effects: 2925a99e2eSeric ** The standard input is passed off to someone. 3025a99e2eSeric */ 3125a99e2eSeric 3251552439Seric deliver(firstto) 33c77d1c25Seric ADDRESS *firstto; 3425a99e2eSeric { 3578442df3Seric char *host; /* host being sent to */ 3678442df3Seric char *user; /* user being sent to */ 3725a99e2eSeric char **pvp; 385dfc646bSeric register char **mvp; 3925a99e2eSeric register char *p; 4078442df3Seric register struct mailer *m; /* mailer for this recipient */ 415dfc646bSeric register int i; 422a6e0786Seric extern bool checkcompat(); 435dfc646bSeric char *pv[MAXPV+1]; 4478442df3Seric char tobuf[MAXLINE]; /* text line of to people */ 455dfc646bSeric char buf[MAXNAME]; 466259796dSeric ADDRESS *ctladdr; 476259796dSeric extern ADDRESS *getctladdr(); 4878442df3Seric char tfrombuf[MAXNAME]; /* translated from person */ 4978442df3Seric extern char **prescan(); 50c77d1c25Seric register ADDRESS *to = firstto; 51c579ef51Seric bool clever = FALSE; /* running user smtp to this mailer */ 52c579ef51Seric bool tempfail = FALSE; 53772e6e50Seric ADDRESS *tochain = NULL; /* chain of users in this mailer call */ 54da2935e1Seric bool notopen = TRUE; /* set if connection not quite open */ 5525a99e2eSeric 5635490626Seric errno = 0; 57da2935e1Seric if (bitset(QDONTSEND, to->q_flags)) 585dfc646bSeric return (0); 5925a99e2eSeric 6051552439Seric m = to->q_mailer; 6151552439Seric host = to->q_host; 6251552439Seric 6325a99e2eSeric # ifdef DEBUG 6425a99e2eSeric if (Debug) 655dfc646bSeric printf("\n--deliver, mailer=%d, host=`%s', first user=`%s'\n", 6651552439Seric m->m_mno, host, to->q_user); 6725a99e2eSeric # endif DEBUG 68f3dbc832Seric 69f3dbc832Seric /* 70f3dbc832Seric ** If this mailer is expensive, and if we don't want to make 71f3dbc832Seric ** connections now, just mark these addresses and return. 72f3dbc832Seric ** This is useful if we want to batch connections to 73f3dbc832Seric ** reduce load. This will cause the messages to be 74f3dbc832Seric ** queued up, and a daemon will come along to send the 75f3dbc832Seric ** messages later. 76f3dbc832Seric ** This should be on a per-mailer basis. 77f3dbc832Seric */ 78f3dbc832Seric 79f3dbc832Seric if (NoConnect && !QueueRun && bitset(M_EXPENSIVE, m->m_flags)) 80f3dbc832Seric { 81f3dbc832Seric for (; to != NULL; to = to->q_next) 82f3dbc832Seric if (!bitset(QDONTSEND, to->q_flags)) 83f3dbc832Seric to->q_flags |= QQUEUEUP|QDONTSEND; 84f3dbc832Seric return (0); 85f3dbc832Seric } 86f3dbc832Seric 8725a99e2eSeric /* 885dfc646bSeric ** Do initial argv setup. 895dfc646bSeric ** Insert the mailer name. Notice that $x expansion is 905dfc646bSeric ** NOT done on the mailer name. Then, if the mailer has 915dfc646bSeric ** a picky -f flag, we insert it as appropriate. This 925dfc646bSeric ** code does not check for 'pv' overflow; this places a 935dfc646bSeric ** manifest lower limit of 4 for MAXPV. 94f3dbc832Seric ** We rewrite the from address here, being careful 95f3dbc832Seric ** to also rewrite it again using ruleset 2 to 96f3dbc832Seric ** eliminate redundancies. 975dfc646bSeric */ 985dfc646bSeric 9978442df3Seric /* rewrite from address, using rewriting rules */ 10051552439Seric expand(m->m_from, buf, &buf[sizeof buf - 1], CurEnv); 10178442df3Seric mvp = prescan(buf, '\0'); 10278442df3Seric if (mvp == NULL) 10378442df3Seric { 10478442df3Seric syserr("bad mailer from translate \"%s\"", buf); 10578442df3Seric return (EX_SOFTWARE); 10678442df3Seric } 10778442df3Seric rewrite(mvp, 2); 10878442df3Seric cataddr(mvp, tfrombuf, sizeof tfrombuf); 10978442df3Seric 11078442df3Seric define('g', tfrombuf); /* translated sender address */ 1115dfc646bSeric define('h', host); /* to host */ 1125dfc646bSeric Errors = 0; 1135dfc646bSeric pvp = pv; 1145dfc646bSeric *pvp++ = m->m_argv[0]; 1155dfc646bSeric 1165dfc646bSeric /* insert -f or -r flag as appropriate */ 1175dfc646bSeric if (bitset(M_FOPT|M_ROPT, m->m_flags) && FromFlag) 1185dfc646bSeric { 1195dfc646bSeric if (bitset(M_FOPT, m->m_flags)) 1205dfc646bSeric *pvp++ = "-f"; 1215dfc646bSeric else 1225dfc646bSeric *pvp++ = "-r"; 12351552439Seric expand("$g", buf, &buf[sizeof buf - 1], CurEnv); 1245dfc646bSeric *pvp++ = newstr(buf); 1255dfc646bSeric } 1265dfc646bSeric 1275dfc646bSeric /* 1285dfc646bSeric ** Append the other fixed parts of the argv. These run 1295dfc646bSeric ** up to the first entry containing "$u". There can only 1305dfc646bSeric ** be one of these, and there are only a few more slots 1315dfc646bSeric ** in the pv after it. 1325dfc646bSeric */ 1335dfc646bSeric 1345dfc646bSeric for (mvp = m->m_argv; (p = *++mvp) != NULL; ) 1355dfc646bSeric { 1365dfc646bSeric while ((p = index(p, '$')) != NULL) 1375dfc646bSeric if (*++p == 'u') 1385dfc646bSeric break; 1395dfc646bSeric if (p != NULL) 1405dfc646bSeric break; 1415dfc646bSeric 1425dfc646bSeric /* this entry is safe -- go ahead and process it */ 14351552439Seric expand(*mvp, buf, &buf[sizeof buf - 1], CurEnv); 1445dfc646bSeric *pvp++ = newstr(buf); 1455dfc646bSeric if (pvp >= &pv[MAXPV - 3]) 1465dfc646bSeric { 1475dfc646bSeric syserr("Too many parameters to %s before $u", pv[0]); 1485dfc646bSeric return (-1); 1495dfc646bSeric } 1505dfc646bSeric } 151c579ef51Seric 15233db8731Seric /* 15333db8731Seric ** If we have no substitution for the user name in the argument 15433db8731Seric ** list, we know that we must supply the names otherwise -- and 15533db8731Seric ** SMTP is the answer!! 15633db8731Seric */ 15733db8731Seric 1585dfc646bSeric if (*mvp == NULL) 159c579ef51Seric { 160c579ef51Seric /* running SMTP */ 1612c7e1b8dSeric # ifdef SMTP 162c579ef51Seric clever = TRUE; 163c579ef51Seric *pvp = NULL; 1642c7e1b8dSeric # else SMTP 16533db8731Seric /* oops! we don't implement SMTP */ 1662c7e1b8dSeric syserr("SMTP style mailer"); 1672c7e1b8dSeric return (EX_SOFTWARE); 1682c7e1b8dSeric # endif SMTP 169c579ef51Seric } 1705dfc646bSeric 1715dfc646bSeric /* 1725dfc646bSeric ** At this point *mvp points to the argument with $u. We 1735dfc646bSeric ** run through our address list and append all the addresses 1745dfc646bSeric ** we can. If we run out of space, do not fret! We can 1755dfc646bSeric ** always send another copy later. 1765dfc646bSeric */ 1775dfc646bSeric 1785dfc646bSeric tobuf[0] = '\0'; 1797a941e7aSeric CurEnv->e_to = tobuf; 1806259796dSeric ctladdr = NULL; 1815dfc646bSeric for (; to != NULL; to = to->q_next) 1825dfc646bSeric { 1835dfc646bSeric /* avoid sending multiple recipients to dumb mailers */ 184bea22b26Seric if (tobuf[0] != '\0' && !bitset(M_MUSER, m->m_flags)) 1855dfc646bSeric break; 1865dfc646bSeric 1875dfc646bSeric /* if already sent or not for this host, don't send */ 188da2935e1Seric if (bitset(QDONTSEND, to->q_flags) || 189da2935e1Seric strcmp(to->q_host, host) != 0 || 190da2935e1Seric to->q_mailer != firstto->q_mailer) 1915dfc646bSeric continue; 1926259796dSeric 193772e6e50Seric # ifdef DEBUG 194772e6e50Seric if (Debug) 195772e6e50Seric { 196772e6e50Seric printf("\nsend to "); 197772e6e50Seric printaddr(to, FALSE); 198772e6e50Seric } 199772e6e50Seric # endif DEBUG 200772e6e50Seric 2016259796dSeric /* compute effective uid/gid when sending */ 2027da1035fSeric if (to->q_mailer == ProgMailer) 2036259796dSeric ctladdr = getctladdr(to); 2046259796dSeric 2055dfc646bSeric user = to->q_user; 2067a941e7aSeric CurEnv->e_to = to->q_paddr; 2075dfc646bSeric to->q_flags |= QDONTSEND; 2085dfc646bSeric 2095dfc646bSeric /* 2105dfc646bSeric ** Check to see that these people are allowed to 2115dfc646bSeric ** talk to each other. 2122a6e0786Seric */ 2132a6e0786Seric 2142a6e0786Seric if (!checkcompat(to)) 2155dfc646bSeric { 2165dfc646bSeric giveresponse(EX_UNAVAILABLE, TRUE, m); 2175dfc646bSeric continue; 2185dfc646bSeric } 2192a6e0786Seric 2202a6e0786Seric /* 2219ec9501bSeric ** Strip quote bits from names if the mailer is dumb 2229ec9501bSeric ** about them. 22325a99e2eSeric */ 22425a99e2eSeric 2252a6e0786Seric if (bitset(M_STRIPQ, m->m_flags)) 22625a99e2eSeric { 2279ec9501bSeric stripquotes(user, TRUE); 2289ec9501bSeric stripquotes(host, TRUE); 2299ec9501bSeric } 2309ec9501bSeric else 2319ec9501bSeric { 2329ec9501bSeric stripquotes(user, FALSE); 2339ec9501bSeric stripquotes(host, FALSE); 23425a99e2eSeric } 23525a99e2eSeric 23625a99e2eSeric /* 237da2935e1Seric ** Do initial connection setup if needed. 238da2935e1Seric */ 239da2935e1Seric 240da2935e1Seric if (notopen) 241da2935e1Seric { 242da2935e1Seric message(Arpa_Info, "Connecting to %s.%s...", host, m->m_name); 243da2935e1Seric # ifdef SMTP 244da2935e1Seric if (clever) 245da2935e1Seric { 246da2935e1Seric /* send the initial SMTP protocol */ 247da2935e1Seric i = smtpinit(m, pv, (ADDRESS *) NULL); 248da2935e1Seric # ifdef QUEUE 249da2935e1Seric if (i == EX_TEMPFAIL) 250da2935e1Seric tempfail = TRUE; 251da2935e1Seric # endif QUEUE 252da2935e1Seric } 253da2935e1Seric # ifdef SMTP 254da2935e1Seric notopen = FALSE; 255da2935e1Seric } 256da2935e1Seric 257da2935e1Seric /* 258508daeccSeric ** Pass it to the other host if we are running SMTP. 259508daeccSeric */ 260508daeccSeric 261508daeccSeric if (clever) 262508daeccSeric { 263508daeccSeric # ifdef SMTP 264508daeccSeric i = smtprcpt(to); 265508daeccSeric if (i != EX_OK) 266508daeccSeric { 267508daeccSeric # ifdef QUEUE 268508daeccSeric if (i == EX_TEMPFAIL) 269508daeccSeric to->q_flags |= QQUEUEUP; 270508daeccSeric else 271508daeccSeric # endif QUEUE 272508daeccSeric to->q_flags |= QBADADDR; 273508daeccSeric giveresponse(i, TRUE, m); 274508daeccSeric } 275508daeccSeric # else SMTP 276508daeccSeric syserr("trying to be clever"); 277508daeccSeric # endif SMTP 278508daeccSeric } 279508daeccSeric 280508daeccSeric /* 2813efaed6eSeric ** If an error message has already been given, don't 2823efaed6eSeric ** bother to send to this address. 2833efaed6eSeric ** 2843efaed6eSeric ** >>>>>>>>>> This clause assumes that the local mailer 2853efaed6eSeric ** >> NOTE >> cannot do any further aliasing; that 2863efaed6eSeric ** >>>>>>>>>> function is subsumed by sendmail. 2873efaed6eSeric */ 2883efaed6eSeric 2896cae517dSeric if (bitset(QBADADDR|QQUEUEUP, to->q_flags)) 2903efaed6eSeric continue; 2913efaed6eSeric 292f2fec898Seric /* save statistics.... */ 2937da1035fSeric Stat.stat_nt[to->q_mailer->m_mno]++; 2947a941e7aSeric Stat.stat_bt[to->q_mailer->m_mno] += kbytes(CurEnv->e_msgsize); 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 { 3086259796dSeric i = mailfile(user, getctladdr(to)); 30925a99e2eSeric giveresponse(i, TRUE, m); 3105dfc646bSeric continue; 31125a99e2eSeric } 31225a99e2eSeric } 31325a99e2eSeric 31413bbc08cSeric /* 31513bbc08cSeric ** Address is verified -- add this user to mailer 31613bbc08cSeric ** argv, and add it to the print list of recipients. 31713bbc08cSeric */ 31813bbc08cSeric 319508daeccSeric /* link together the chain of recipients */ 320508daeccSeric to->q_tchain = tochain; 321508daeccSeric tochain = to; 322508daeccSeric 3235dfc646bSeric /* create list of users for error messages */ 3245dfc646bSeric if (tobuf[0] != '\0') 325db8841e9Seric (void) strcat(tobuf, ","); 326db8841e9Seric (void) strcat(tobuf, to->q_paddr); 3275dfc646bSeric define('u', user); /* to user */ 328c2567733Seric define('z', to->q_home); /* user's home */ 3295dfc646bSeric 330c579ef51Seric /* 331508daeccSeric ** Expand out this user into argument list. 332c579ef51Seric */ 333c579ef51Seric 334508daeccSeric if (!clever) 335c579ef51Seric { 33651552439Seric expand(*mvp, buf, &buf[sizeof buf - 1], CurEnv); 3375dfc646bSeric *pvp++ = newstr(buf); 3385dfc646bSeric if (pvp >= &pv[MAXPV - 2]) 3395dfc646bSeric { 3405dfc646bSeric /* allow some space for trailing parms */ 3415dfc646bSeric break; 3425dfc646bSeric } 3435dfc646bSeric } 344c579ef51Seric } 3455dfc646bSeric 346145b49b1Seric /* see if any addresses still exist */ 347145b49b1Seric if (tobuf[0] == '\0') 348c579ef51Seric { 3492c7e1b8dSeric # ifdef SMTP 350c579ef51Seric if (clever) 3514a3f06b2Seric smtpquit(pv[0], FALSE); 3522c7e1b8dSeric # endif SMTP 3535e663df1Seric define('g', (char *) NULL); 354145b49b1Seric return (0); 355c579ef51Seric } 356145b49b1Seric 3575dfc646bSeric /* print out messages as full list */ 3587a941e7aSeric CurEnv->e_to = tobuf; 3595dfc646bSeric 3605dfc646bSeric /* 3615dfc646bSeric ** Fill out any parameters after the $u parameter. 3625dfc646bSeric */ 3635dfc646bSeric 364c579ef51Seric while (!clever && *++mvp != NULL) 3655dfc646bSeric { 36651552439Seric expand(*mvp, buf, &buf[sizeof buf - 1], CurEnv); 3675dfc646bSeric *pvp++ = newstr(buf); 3685dfc646bSeric if (pvp >= &pv[MAXPV]) 3695dfc646bSeric syserr("deliver: pv overflow after $u for %s", pv[0]); 3705dfc646bSeric } 3715dfc646bSeric *pvp++ = NULL; 3725dfc646bSeric 37325a99e2eSeric /* 37425a99e2eSeric ** Call the mailer. 3756328bdf7Seric ** The argument vector gets built, pipes 37625a99e2eSeric ** are created as necessary, and we fork & exec as 3776328bdf7Seric ** appropriate. 378c579ef51Seric ** If we are running SMTP, we just need to clean up. 37925a99e2eSeric */ 38025a99e2eSeric 3816259796dSeric if (ctladdr == NULL) 3827a941e7aSeric ctladdr = &CurEnv->e_from; 3832c7e1b8dSeric # ifdef SMTP 384c579ef51Seric if (clever) 385c579ef51Seric { 38651552439Seric i = smtpfinish(m, CurEnv); 3874a3f06b2Seric smtpquit(pv[0], TRUE); 388c579ef51Seric } 389c579ef51Seric else 3902c7e1b8dSeric # endif SMTP 39151552439Seric i = sendoff(m, pv, ctladdr); 3925dfc646bSeric 393c77d1c25Seric /* 394c77d1c25Seric ** If we got a temporary failure, arrange to queue the 395c77d1c25Seric ** addressees. 396c77d1c25Seric */ 397c77d1c25Seric 3982c7e1b8dSeric # ifdef QUEUE 399c77d1c25Seric if (i == EX_TEMPFAIL) 400c77d1c25Seric { 401772e6e50Seric for (to = tochain; to != NULL; to = to->q_tchain) 402c77d1c25Seric to->q_flags |= QQUEUEUP; 403c77d1c25Seric } 4042c7e1b8dSeric # endif QUEUE 405c77d1c25Seric 40635490626Seric errno = 0; 4075e663df1Seric define('g', (char *) NULL); 4085dfc646bSeric return (i); 40925a99e2eSeric } 4105dfc646bSeric /* 41132d19d43Seric ** DOFORK -- do a fork, retrying a couple of times on failure. 41232d19d43Seric ** 41332d19d43Seric ** This MUST be a macro, since after a vfork we are running 41432d19d43Seric ** two processes on the same stack!!! 41532d19d43Seric ** 41632d19d43Seric ** Parameters: 41732d19d43Seric ** none. 41832d19d43Seric ** 41932d19d43Seric ** Returns: 42032d19d43Seric ** From a macro??? You've got to be kidding! 42132d19d43Seric ** 42232d19d43Seric ** Side Effects: 42332d19d43Seric ** Modifies the ==> LOCAL <== variable 'pid', leaving: 42432d19d43Seric ** pid of child in parent, zero in child. 42532d19d43Seric ** -1 on unrecoverable error. 42632d19d43Seric ** 42732d19d43Seric ** Notes: 42832d19d43Seric ** I'm awfully sorry this looks so awful. That's 42932d19d43Seric ** vfork for you..... 43032d19d43Seric */ 43132d19d43Seric 43232d19d43Seric # define NFORKTRIES 5 43332d19d43Seric # ifdef VFORK 43432d19d43Seric # define XFORK vfork 43532d19d43Seric # else VFORK 43632d19d43Seric # define XFORK fork 43732d19d43Seric # endif VFORK 43832d19d43Seric 43932d19d43Seric # define DOFORK(fORKfN) \ 44032d19d43Seric {\ 44132d19d43Seric register int i;\ 44232d19d43Seric \ 44332d19d43Seric for (i = NFORKTRIES; i-- > 0; )\ 44432d19d43Seric {\ 44532d19d43Seric pid = fORKfN();\ 44632d19d43Seric if (pid >= 0)\ 44732d19d43Seric break;\ 4485e663df1Seric sleep(NFORKTRIES - i);\ 44932d19d43Seric }\ 45032d19d43Seric } 45132d19d43Seric /* 4522ed72599Seric ** DOFORK -- simple fork interface to DOFORK. 4532ed72599Seric ** 4542ed72599Seric ** Parameters: 4552ed72599Seric ** none. 4562ed72599Seric ** 4572ed72599Seric ** Returns: 4582ed72599Seric ** pid of child in parent. 4592ed72599Seric ** zero in child. 4602ed72599Seric ** -1 on error. 4612ed72599Seric ** 4622ed72599Seric ** Side Effects: 4632ed72599Seric ** returns twice, once in parent and once in child. 4642ed72599Seric */ 4652ed72599Seric 4662ed72599Seric dofork() 4672ed72599Seric { 4682ed72599Seric register int pid; 4692ed72599Seric 4702ed72599Seric DOFORK(fork); 4712ed72599Seric return (pid); 4722ed72599Seric } 4732ed72599Seric /* 4745dfc646bSeric ** SENDOFF -- send off call to mailer & collect response. 4755dfc646bSeric ** 4765dfc646bSeric ** Parameters: 4775dfc646bSeric ** m -- mailer descriptor. 4785dfc646bSeric ** pvp -- parameter vector to send to it. 4796259796dSeric ** ctladdr -- an address pointer controlling the 4806259796dSeric ** user/groupid etc. of the mailer. 4815dfc646bSeric ** 4825dfc646bSeric ** Returns: 4835dfc646bSeric ** exit status of mailer. 4845dfc646bSeric ** 4855dfc646bSeric ** Side Effects: 4865dfc646bSeric ** none. 4875dfc646bSeric */ 4885dfc646bSeric 48951552439Seric sendoff(m, pvp, ctladdr) 4905dfc646bSeric struct mailer *m; 4915dfc646bSeric char **pvp; 4926259796dSeric ADDRESS *ctladdr; 4935dfc646bSeric { 494c579ef51Seric auto FILE *mfile; 495c579ef51Seric auto FILE *rfile; 4965dfc646bSeric register int i; 497c579ef51Seric int pid; 498c579ef51Seric 499c579ef51Seric /* 500c579ef51Seric ** Create connection to mailer. 501c579ef51Seric */ 502c579ef51Seric 503c579ef51Seric pid = openmailer(m, pvp, ctladdr, FALSE, &mfile, &rfile); 504c579ef51Seric if (pid < 0) 505c579ef51Seric return (-1); 506c579ef51Seric 507c579ef51Seric /* 508c579ef51Seric ** Format and send message. 509c579ef51Seric */ 510c579ef51Seric 511c579ef51Seric (void) signal(SIGPIPE, SIG_IGN); 51251552439Seric putfromline(mfile, m); 51351552439Seric (*CurEnv->e_puthdr)(mfile, m, CurEnv); 51451552439Seric fprintf(mfile, "\n"); 51551552439Seric (*CurEnv->e_putbody)(mfile, m, FALSE); 516c579ef51Seric (void) fclose(mfile); 517c579ef51Seric 518c579ef51Seric i = endmailer(pid, pvp[0]); 519c579ef51Seric giveresponse(i, TRUE, m); 520bc6e2962Seric 521bc6e2962Seric /* arrange a return receipt if requested */ 5227a941e7aSeric if (CurEnv->e_retreceipt && bitset(M_LOCAL, m->m_flags) && i == EX_OK) 523bc6e2962Seric { 5247a941e7aSeric CurEnv->e_sendreceipt = TRUE; 5257a941e7aSeric fprintf(Xscript, "%s... successfully delivered\n", CurEnv->e_to); 526bc6e2962Seric /* do we want to send back more info? */ 527bc6e2962Seric } 528bc6e2962Seric 529c579ef51Seric return (i); 530c579ef51Seric } 531c579ef51Seric /* 532c579ef51Seric ** ENDMAILER -- Wait for mailer to terminate. 533c579ef51Seric ** 534c579ef51Seric ** We should never get fatal errors (e.g., segmentation 535c579ef51Seric ** violation), so we report those specially. For other 536c579ef51Seric ** errors, we choose a status message (into statmsg), 537c579ef51Seric ** and if it represents an error, we print it. 538c579ef51Seric ** 539c579ef51Seric ** Parameters: 540c579ef51Seric ** pid -- pid of mailer. 541c579ef51Seric ** name -- name of mailer (for error messages). 542c579ef51Seric ** 543c579ef51Seric ** Returns: 544c579ef51Seric ** exit code of mailer. 545c579ef51Seric ** 546c579ef51Seric ** Side Effects: 547c579ef51Seric ** none. 548c579ef51Seric */ 549c579ef51Seric 550c579ef51Seric endmailer(pid, name) 551c579ef51Seric int pid; 552c579ef51Seric char *name; 553c579ef51Seric { 554c579ef51Seric register int i; 555c579ef51Seric auto int st; 556c579ef51Seric 55733db8731Seric /* in the IPC case there is nothing to wait for */ 55833db8731Seric if (pid == 0) 55933db8731Seric return (EX_OK); 56033db8731Seric 56133db8731Seric /* wait for the mailer process to die and collect status */ 562c579ef51Seric while ((i = wait(&st)) > 0 && i != pid) 563c579ef51Seric continue; 564c579ef51Seric if (i < 0) 565c579ef51Seric { 566c579ef51Seric syserr("wait"); 567c579ef51Seric return (-1); 568c579ef51Seric } 56933db8731Seric 57033db8731Seric /* see if it died a horrid death */ 571c579ef51Seric if ((st & 0377) != 0) 572c579ef51Seric { 573c579ef51Seric syserr("%s: stat %o", name, st); 574c579ef51Seric ExitStat = EX_UNAVAILABLE; 575c579ef51Seric return (-1); 576c579ef51Seric } 57733db8731Seric 57833db8731Seric /* normal death -- return status */ 579c579ef51Seric i = (st >> 8) & 0377; 580c579ef51Seric return (i); 581c579ef51Seric } 582c579ef51Seric /* 583c579ef51Seric ** OPENMAILER -- open connection to mailer. 584c579ef51Seric ** 585c579ef51Seric ** Parameters: 586c579ef51Seric ** m -- mailer descriptor. 587c579ef51Seric ** pvp -- parameter vector to pass to mailer. 588c579ef51Seric ** ctladdr -- controlling address for user. 589c579ef51Seric ** clever -- create a full duplex connection. 590c579ef51Seric ** pmfile -- pointer to mfile (to mailer) connection. 591c579ef51Seric ** prfile -- pointer to rfile (from mailer) connection. 592c579ef51Seric ** 593c579ef51Seric ** Returns: 59433db8731Seric ** pid of mailer ( > 0 ). 595c579ef51Seric ** -1 on error. 59633db8731Seric ** zero on an IPC connection. 597c579ef51Seric ** 598c579ef51Seric ** Side Effects: 599c579ef51Seric ** creates a mailer in a subprocess. 600c579ef51Seric */ 601c579ef51Seric 602c579ef51Seric openmailer(m, pvp, ctladdr, clever, pmfile, prfile) 603c579ef51Seric struct mailer *m; 604c579ef51Seric char **pvp; 605c579ef51Seric ADDRESS *ctladdr; 606c579ef51Seric bool clever; 607c579ef51Seric FILE **pmfile; 608c579ef51Seric FILE **prfile; 609c579ef51Seric { 6105dfc646bSeric int pid; 611f8952a83Seric int mpvect[2]; 612c579ef51Seric int rpvect[2]; 6135dfc646bSeric FILE *mfile; 614c579ef51Seric FILE *rfile; 6155dfc646bSeric extern FILE *fdopen(); 6165dfc646bSeric 6175dfc646bSeric # ifdef DEBUG 6185dfc646bSeric if (Debug) 6195dfc646bSeric { 620c579ef51Seric printf("openmailer:\n"); 6215dfc646bSeric printav(pvp); 6225dfc646bSeric } 6235dfc646bSeric # endif DEBUG 62435490626Seric errno = 0; 6255dfc646bSeric 62633db8731Seric # ifdef DAEMON 62733db8731Seric /* 62833db8731Seric ** Deal with the special case of mail handled through an IPC 62933db8731Seric ** connection. 63033db8731Seric ** In this case we don't actually fork. We must be 63133db8731Seric ** running SMTP for this to work. We will return a 63233db8731Seric ** zero pid to indicate that we are running IPC. 63333db8731Seric */ 63433db8731Seric 63533db8731Seric if (strcmp(m->m_mailer, "[IPC]") == 0) 63633db8731Seric { 63733db8731Seric register int i; 6381277f9a8Seric register u_short port; 63933db8731Seric 64033db8731Seric if (!clever) 64133db8731Seric syserr("non-clever IPC"); 64293b6e3cfSeric if (pvp[2] != NULL) 6431277f9a8Seric port = atoi(pvp[2]); 64493b6e3cfSeric else 6451277f9a8Seric port = 0; 6461277f9a8Seric i = makeconnection(pvp[1], port, pmfile, prfile); 64733db8731Seric if (i != EX_OK) 648ed854c7bSeric { 649ed854c7bSeric ExitStat = i; 65033db8731Seric return (-1); 651ed854c7bSeric } 65233db8731Seric else 65333db8731Seric return (0); 65433db8731Seric } 65533db8731Seric # endif DAEMON 65633db8731Seric 6576328bdf7Seric /* create a pipe to shove the mail through */ 658f8952a83Seric if (pipe(mpvect) < 0) 65925a99e2eSeric { 660c579ef51Seric syserr("pipe (to mailer)"); 66125a99e2eSeric return (-1); 66225a99e2eSeric } 663c579ef51Seric 6642c7e1b8dSeric # ifdef SMTP 665c579ef51Seric /* if this mailer speaks smtp, create a return pipe */ 666c579ef51Seric if (clever && pipe(rpvect) < 0) 667c579ef51Seric { 668c579ef51Seric syserr("pipe (from mailer)"); 669c579ef51Seric (void) close(mpvect[0]); 670c579ef51Seric (void) close(mpvect[1]); 671c579ef51Seric return (-1); 672c579ef51Seric } 6732c7e1b8dSeric # endif SMTP 674c579ef51Seric 67533db8731Seric /* 67633db8731Seric ** Actually fork the mailer process. 67733db8731Seric ** DOFORK is clever about retrying. 67833db8731Seric */ 67933db8731Seric 680e1e0dfbfSeric fflush(Xscript); /* for debugging */ 68132d19d43Seric DOFORK(XFORK); 682f129ec7dSeric /* pid is set by DOFORK */ 68325a99e2eSeric if (pid < 0) 68425a99e2eSeric { 68533db8731Seric /* failure */ 68625a99e2eSeric syserr("Cannot fork"); 687f8952a83Seric (void) close(mpvect[0]); 688f8952a83Seric (void) close(mpvect[1]); 689c579ef51Seric if (clever) 690c579ef51Seric { 691c579ef51Seric (void) close(rpvect[0]); 692c579ef51Seric (void) close(rpvect[1]); 693c579ef51Seric } 69425a99e2eSeric return (-1); 69525a99e2eSeric } 69625a99e2eSeric else if (pid == 0) 69725a99e2eSeric { 69825a99e2eSeric /* child -- set up input & exec mailer */ 69903ab8e55Seric /* make diagnostic output be standard output */ 7008f0e7860Seric (void) signal(SIGINT, SIG_IGN); 7018f0e7860Seric (void) signal(SIGHUP, SIG_IGN); 7020984da9fSeric (void) signal(SIGTERM, SIG_DFL); 703f8952a83Seric 704f8952a83Seric /* arrange to filter standard & diag output of command */ 705c579ef51Seric if (clever) 706c579ef51Seric { 707c579ef51Seric (void) close(rpvect[0]); 708c579ef51Seric (void) close(1); 709c579ef51Seric (void) dup(rpvect[1]); 710c579ef51Seric (void) close(rpvect[1]); 711c579ef51Seric } 712c579ef51Seric else if (OutChannel != stdout) 713f8952a83Seric { 714f8952a83Seric (void) close(1); 715f8952a83Seric (void) dup(fileno(OutChannel)); 716f8952a83Seric } 717db8841e9Seric (void) close(2); 718db8841e9Seric (void) dup(1); 719f8952a83Seric 720f8952a83Seric /* arrange to get standard input */ 721f8952a83Seric (void) close(mpvect[1]); 722db8841e9Seric (void) close(0); 723f8952a83Seric if (dup(mpvect[0]) < 0) 72425a99e2eSeric { 72525a99e2eSeric syserr("Cannot dup to zero!"); 726a590b978Seric _exit(EX_OSERR); 72725a99e2eSeric } 728f8952a83Seric (void) close(mpvect[0]); 7292a6e0786Seric if (!bitset(M_RESTR, m->m_flags)) 7300984da9fSeric { 731e36b99e2Seric if (ctladdr->q_uid == 0) 732e36b99e2Seric { 733e36b99e2Seric (void) setgid(DefGid); 734e36b99e2Seric (void) setuid(DefUid); 735e36b99e2Seric } 736e36b99e2Seric else 73769f29479Seric { 738e36b99e2Seric (void) setgid(ctladdr->q_gid); 739e36b99e2Seric (void) setuid(ctladdr->q_uid); 74069f29479Seric } 7410984da9fSeric } 742e374fd72Seric # ifndef VFORK 743e374fd72Seric /* 744e374fd72Seric ** We have to be careful with vfork - we can't mung up the 745e374fd72Seric ** memory but we don't want the mailer to inherit any extra 746e374fd72Seric ** open files. Chances are the mailer won't 747e374fd72Seric ** care about an extra file, but then again you never know. 748e374fd72Seric ** Actually, we would like to close(fileno(pwf)), but it's 749e374fd72Seric ** declared static so we can't. But if we fclose(pwf), which 750e374fd72Seric ** is what endpwent does, it closes it in the parent too and 751e374fd72Seric ** the next getpwnam will be slower. If you have a weird 752e374fd72Seric ** mailer that chokes on the extra file you should do the 753e374fd72Seric ** endpwent(). 754e374fd72Seric ** 755e374fd72Seric ** Similar comments apply to log. However, openlog is 756e374fd72Seric ** clever enough to set the FIOCLEX mode on the file, 757e374fd72Seric ** so it will be closed automatically on the exec. 758e374fd72Seric */ 759e374fd72Seric 760e374fd72Seric endpwent(); 76125a99e2eSeric # ifdef LOG 762f9fe028fSeric closelog(); 76325a99e2eSeric # endif LOG 764e374fd72Seric # endif VFORK 76533db8731Seric 76633db8731Seric /* try to execute the mailer */ 76725a99e2eSeric execv(m->m_mailer, pvp); 76833db8731Seric 76925a99e2eSeric /* syserr fails because log is closed */ 77025a99e2eSeric /* syserr("Cannot exec %s", m->m_mailer); */ 77132d19d43Seric printf("Cannot exec '%s' errno=%d\n", m->m_mailer, errno); 772db8841e9Seric (void) fflush(stdout); 773a590b978Seric _exit(EX_UNAVAILABLE); 77425a99e2eSeric } 77525a99e2eSeric 776f8952a83Seric /* 777c579ef51Seric ** Set up return value. 778f8952a83Seric */ 779f8952a83Seric 780f8952a83Seric (void) close(mpvect[0]); 781f8952a83Seric mfile = fdopen(mpvect[1], "w"); 782c579ef51Seric if (clever) 78325a99e2eSeric { 784c579ef51Seric (void) close(rpvect[1]); 785c579ef51Seric rfile = fdopen(rpvect[0], "r"); 78625a99e2eSeric } 787c579ef51Seric 788c579ef51Seric *pmfile = mfile; 789c579ef51Seric *prfile = rfile; 790c579ef51Seric 791c579ef51Seric return (pid); 79225a99e2eSeric } 79325a99e2eSeric /* 79425a99e2eSeric ** GIVERESPONSE -- Interpret an error response from a mailer 79525a99e2eSeric ** 79625a99e2eSeric ** Parameters: 79725a99e2eSeric ** stat -- the status code from the mailer (high byte 79825a99e2eSeric ** only; core dumps must have been taken care of 79925a99e2eSeric ** already). 80025a99e2eSeric ** force -- if set, force an error message output, even 80125a99e2eSeric ** if the mailer seems to like to print its own 80225a99e2eSeric ** messages. 80325a99e2eSeric ** m -- the mailer descriptor for this mailer. 80425a99e2eSeric ** 80525a99e2eSeric ** Returns: 806db8841e9Seric ** none. 80725a99e2eSeric ** 80825a99e2eSeric ** Side Effects: 809c1f9df2cSeric ** Errors may be incremented. 81025a99e2eSeric ** ExitStat may be set. 81125a99e2eSeric */ 81225a99e2eSeric 81325a99e2eSeric giveresponse(stat, force, m) 81425a99e2eSeric int stat; 8154a3f06b2Seric bool force; 81625a99e2eSeric register struct mailer *m; 81725a99e2eSeric { 81825a99e2eSeric register char *statmsg; 81925a99e2eSeric extern char *SysExMsg[]; 82025a99e2eSeric register int i; 82125a99e2eSeric extern int N_SysEx; 82229dd97a3Seric char buf[30]; 82325a99e2eSeric 82413bbc08cSeric /* 82513bbc08cSeric ** Compute status message from code. 82613bbc08cSeric */ 82713bbc08cSeric 82825a99e2eSeric i = stat - EX__BASE; 82925a99e2eSeric if (i < 0 || i > N_SysEx) 83025a99e2eSeric statmsg = NULL; 83125a99e2eSeric else 83225a99e2eSeric statmsg = SysExMsg[i]; 83325a99e2eSeric if (stat == 0) 834c38ba59cSeric { 8356cbfa739Seric if (bitset(M_LOCAL, m->m_flags)) 8363efaed6eSeric statmsg = "delivered"; 8373efaed6eSeric else 8383efaed6eSeric statmsg = "queued"; 839544026c5Seric message(Arpa_Info, statmsg); 840c38ba59cSeric } 8412c7e1b8dSeric # ifdef QUEUE 842c77d1c25Seric else if (stat == EX_TEMPFAIL) 843c77d1c25Seric { 844c77d1c25Seric message(Arpa_Info, "transmission deferred"); 845c77d1c25Seric } 8462c7e1b8dSeric # endif QUEUE 84725a99e2eSeric else 84825a99e2eSeric { 849c1f9df2cSeric Errors++; 850ed854c7bSeric FatalErrors = TRUE; 85125a99e2eSeric if (statmsg == NULL && m->m_badstat != 0) 85225a99e2eSeric { 85325a99e2eSeric stat = m->m_badstat; 85425a99e2eSeric i = stat - EX__BASE; 85525a99e2eSeric # ifdef DEBUG 85625a99e2eSeric if (i < 0 || i >= N_SysEx) 85725a99e2eSeric syserr("Bad m_badstat %d", stat); 85825a99e2eSeric else 85925a99e2eSeric # endif DEBUG 86025a99e2eSeric statmsg = SysExMsg[i]; 86125a99e2eSeric } 86225a99e2eSeric if (statmsg == NULL) 86325a99e2eSeric usrerr("unknown mailer response %d", stat); 864c38ba59cSeric else if (force || !bitset(M_QUIET, m->m_flags) || Verbose) 86525a99e2eSeric usrerr("%s", statmsg); 866793d9f34Seric else 867793d9f34Seric fprintf(Xscript, "%s\n", statmsg); 86825a99e2eSeric } 86925a99e2eSeric 87025a99e2eSeric /* 87125a99e2eSeric ** Final cleanup. 87225a99e2eSeric ** Log a record of the transaction. Compute the new 87325a99e2eSeric ** ExitStat -- if we already had an error, stick with 87425a99e2eSeric ** that. 87525a99e2eSeric */ 87625a99e2eSeric 87725a99e2eSeric if (statmsg == NULL) 87829dd97a3Seric { 879db8841e9Seric (void) sprintf(buf, "error %d", stat); 88029dd97a3Seric statmsg = buf; 88129dd97a3Seric } 88229dd97a3Seric 88329dd97a3Seric # ifdef LOG 8847a941e7aSeric syslog(LOG_INFO, "%s->%s: %ld: %s", CurEnv->e_from.q_paddr, CurEnv->e_to, CurEnv->e_msgsize, statmsg); 88525a99e2eSeric # endif LOG 8862c7e1b8dSeric # ifdef QUEUE 887c77d1c25Seric if (stat != EX_TEMPFAIL) 8882c7e1b8dSeric # endif QUEUE 889243921eeSeric setstat(stat); 89025a99e2eSeric } 89125a99e2eSeric /* 89251552439Seric ** PUTFROMLINE -- output a UNIX-style from line (or whatever) 89325a99e2eSeric ** 89451552439Seric ** This can be made an arbitrary message separator by changing $l 89551552439Seric ** 89651552439Seric ** One of the ugliest hacks seen by human eyes is 89751552439Seric ** contained herein: UUCP wants those stupid 89851552439Seric ** "remote from <host>" lines. Why oh why does a 89951552439Seric ** well-meaning programmer such as myself have to 90051552439Seric ** deal with this kind of antique garbage???? 90125a99e2eSeric ** 90225a99e2eSeric ** Parameters: 90351552439Seric ** fp -- the file to output to. 90451552439Seric ** m -- the mailer describing this entry. 90525a99e2eSeric ** 90625a99e2eSeric ** Returns: 90751552439Seric ** none 90825a99e2eSeric ** 90925a99e2eSeric ** Side Effects: 91051552439Seric ** outputs some text to fp. 91125a99e2eSeric */ 91225a99e2eSeric 91351552439Seric putfromline(fp, m) 91451552439Seric register FILE *fp; 91551552439Seric register MAILER *m; 91625a99e2eSeric { 91751552439Seric char buf[MAXLINE]; 91825a99e2eSeric 91951552439Seric if (bitset(M_NHDR, m->m_flags)) 92051552439Seric return; 92113bbc08cSeric 9222c7e1b8dSeric # ifdef UGLYUUCP 923a49f24c0Seric if (bitset(M_UGLYUUCP, m->m_flags)) 92474b6e67bSeric { 92574b6e67bSeric extern char *macvalue(); 92674b6e67bSeric char *sys = macvalue('g'); 92774b6e67bSeric char *bang = index(sys, '!'); 92874b6e67bSeric 92974b6e67bSeric if (bang == NULL) 93074b6e67bSeric syserr("No ! in UUCP! (%s)", sys); 93174b6e67bSeric else 93274b6e67bSeric *bang = '\0'; 933518ad6b6Seric expand("From $f $d remote from $g\n", buf, 93451552439Seric &buf[sizeof buf - 1], CurEnv); 93574b6e67bSeric *bang = '!'; 93674b6e67bSeric } 937a36e30c9Seric else 9382c7e1b8dSeric # endif UGLYUUCP 93951552439Seric expand("$l\n", buf, &buf[sizeof buf - 1], CurEnv); 940d90b8d00Seric putline(buf, fp, bitset(M_FULLSMTP, m->m_flags)); 941bc6e2962Seric } 942bc6e2962Seric /* 94351552439Seric ** PUTHEADER -- put the header part of a message from the in-core copy 944bc6e2962Seric ** 945bc6e2962Seric ** Parameters: 946bc6e2962Seric ** fp -- file to put it on. 947bc6e2962Seric ** m -- mailer to use. 94851552439Seric ** e -- envelope to use. 949bc6e2962Seric ** 950bc6e2962Seric ** Returns: 951bc6e2962Seric ** none. 952bc6e2962Seric ** 953bc6e2962Seric ** Side Effects: 954bc6e2962Seric ** none. 955bc6e2962Seric */ 956bc6e2962Seric 95751552439Seric putheader(fp, m, e) 958bc6e2962Seric register FILE *fp; 959bc6e2962Seric register struct mailer *m; 96051552439Seric register ENVELOPE *e; 961bc6e2962Seric { 962bc6e2962Seric char buf[BUFSIZ]; 963bc6e2962Seric register HDR *h; 964bc6e2962Seric extern char *arpadate(); 965bc6e2962Seric extern char *capitalize(); 966bc6e2962Seric extern char *hvalue(); 967bc6e2962Seric extern bool samefrom(); 968bc6e2962Seric char *of_line; 969d90b8d00Seric char obuf[MAXLINE]; 970d90b8d00Seric register char *obp; 971d90b8d00Seric bool fullsmtp = bitset(M_FULLSMTP, m->m_flags); 972bc6e2962Seric 973894de7daSeric of_line = hvalue("original-from"); 97451552439Seric for (h = e->e_header; h != NULL; h = h->h_link) 9756328bdf7Seric { 97613bbc08cSeric register char *p; 97751552439Seric char *origfrom = e->e_origfrom; 978894de7daSeric bool nooutput; 97913bbc08cSeric 980894de7daSeric nooutput = FALSE; 9819e9163a0Seric if (bitset(H_CHECK|H_ACHECK, h->h_flags) && !bitset(h->h_mflags, m->m_flags)) 982894de7daSeric nooutput = TRUE; 983894de7daSeric 984894de7daSeric /* use From: line from message if generated is the same */ 98587bd9a02Seric if (strcmp(h->h_field, "from") == 0 && origfrom != NULL && 986894de7daSeric strcmp(m->m_from, "$f") == 0 && of_line == NULL) 98787bd9a02Seric { 98887bd9a02Seric p = origfrom; 98987bd9a02Seric origfrom = NULL; 99087bd9a02Seric } 99187bd9a02Seric else if (bitset(H_DEFAULT, h->h_flags)) 9924ae18d0eSeric { 993*b8a19582Seric /* macro expand value if generated internally */ 99451552439Seric expand(h->h_value, buf, &buf[sizeof buf], e); 9954ae18d0eSeric p = buf; 9964ae18d0eSeric } 9978c2bf25bSeric else if (bitset(H_ADDR, h->h_flags)) 9988c2bf25bSeric { 9998c2bf25bSeric register int opos; 10008c2bf25bSeric bool firstone = TRUE; 10018c2bf25bSeric 10028c2bf25bSeric /* 10038c2bf25bSeric ** Output the address list translated by the 10048c2bf25bSeric ** mailer and with commas. 10058c2bf25bSeric */ 10068c2bf25bSeric 10078c2bf25bSeric p = h->h_value; 10088c2bf25bSeric if (p == NULL || *p == '\0' || nooutput) 10098c2bf25bSeric continue; 1010d90b8d00Seric obp = obuf; 10111277f9a8Seric (void) sprintf(obp, "%s: ", capitalize(h->h_field)); 10128c2bf25bSeric opos = strlen(h->h_field) + 2; 1013d90b8d00Seric obp += opos; 1014*b8a19582Seric 1015*b8a19582Seric /* 1016*b8a19582Seric ** Run through the list of values. 1017*b8a19582Seric */ 1018*b8a19582Seric 10198c2bf25bSeric while (*p != '\0') 10208c2bf25bSeric { 1021*b8a19582Seric register char *name; 10228c2bf25bSeric extern char *remotename(); 10238c2bf25bSeric char savechar; 10248c2bf25bSeric 1025*b8a19582Seric /* 1026*b8a19582Seric ** Find the end of the name. New style names 1027*b8a19582Seric ** end with a comma, old style names end with 1028*b8a19582Seric ** a space character. However, spaces do not 1029*b8a19582Seric ** necessarily delimit an old-style name -- at 1030*b8a19582Seric ** signs mean keep going. 1031*b8a19582Seric */ 1032*b8a19582Seric 1033*b8a19582Seric /* clean up the leading trash in source */ 1034*b8a19582Seric while (*p != '\0' && (isspace(*p) || *p == ',')) 1035*b8a19582Seric p++; 1036*b8a19582Seric name = p; 1037*b8a19582Seric 1038*b8a19582Seric /* find end of name */ 1039bc28c57aSeric while (*p != '\0' && *p != ',') 1040bc28c57aSeric { 1041bc28c57aSeric extern bool isatword(); 1042bc28c57aSeric char *oldp; 1043bc28c57aSeric 104451552439Seric if (!e->e_oldstyle || !isspace(*p)) 1045bc28c57aSeric { 10468c2bf25bSeric p++; 1047bc28c57aSeric continue; 1048bc28c57aSeric } 1049*b8a19582Seric 1050*b8a19582Seric /* look to see if we have an at sign */ 1051bc28c57aSeric oldp = p; 1052bc28c57aSeric while (*p != '\0' && isspace(*p)) 1053bc28c57aSeric p++; 1054*b8a19582Seric 1055bc28c57aSeric if (*p != '@' && !isatword(p)) 1056bc28c57aSeric { 1057bc28c57aSeric p = oldp; 1058bc28c57aSeric break; 1059bc28c57aSeric } 1060bc28c57aSeric p += *p == '@' ? 1 : 2; 1061bc28c57aSeric while (*p != '\0' && isspace(*p)) 1062bc28c57aSeric p++; 1063bc28c57aSeric } 1064*b8a19582Seric /* at the end of one complete name */ 1065*b8a19582Seric 1066*b8a19582Seric /* strip off trailing white space */ 1067*b8a19582Seric while (p >= name && (isspace(*p) || *p == ',')) 1068*b8a19582Seric p--; 1069*b8a19582Seric if (++p == name) 1070*b8a19582Seric continue; 10718c2bf25bSeric savechar = *p; 10728c2bf25bSeric *p = '\0'; 10738c2bf25bSeric 10748c2bf25bSeric /* translate the name to be relative */ 1075f60462a7Seric name = remotename(name, m, FALSE); 10768c2bf25bSeric if (*name == '\0') 1077*b8a19582Seric { 1078*b8a19582Seric *p = savechar; 10798c2bf25bSeric continue; 1080*b8a19582Seric } 10818c2bf25bSeric 10828c2bf25bSeric /* output the name with nice formatting */ 10838c2bf25bSeric opos += strlen(name); 10848c2bf25bSeric if (!firstone) 10858c2bf25bSeric opos += 2; 10868c2bf25bSeric if (opos > 78 && !firstone) 10878c2bf25bSeric { 1088d90b8d00Seric (void) sprintf(obp, ",\n"); 1089d90b8d00Seric putline(obuf, fp, fullsmtp); 1090d90b8d00Seric obp = obuf; 1091d90b8d00Seric (void) sprintf(obp, " "); 1092d90b8d00Seric obp += strlen(obp); 1093bc213ac6Seric opos = 8 + strlen(name); 10948c2bf25bSeric } 10958c2bf25bSeric else if (!firstone) 1096d90b8d00Seric { 1097d90b8d00Seric (void) sprintf(obp, ", "); 1098d90b8d00Seric obp += 2; 1099d90b8d00Seric } 1100d90b8d00Seric (void) sprintf(obp, "%s", name); 1101d90b8d00Seric obp += strlen(obp); 11028c2bf25bSeric firstone = FALSE; 11038c2bf25bSeric *p = savechar; 11048c2bf25bSeric } 11051277f9a8Seric (void) strcpy(obp, "\n"); 1106573fa002Seric putline(obuf, fp, fullsmtp); 11078c2bf25bSeric nooutput = TRUE; 11088c2bf25bSeric } 11094ae18d0eSeric else 11104ae18d0eSeric p = h->h_value; 1111894de7daSeric if (p == NULL || *p == '\0') 11129e9163a0Seric continue; 11135a0dcb5fSeric 11145a0dcb5fSeric /* hack, hack -- output Original-From field if different */ 1115894de7daSeric if (strcmp(h->h_field, "from") == 0 && origfrom != NULL) 1116894de7daSeric { 1117894de7daSeric /* output new Original-From line if needed */ 1118894de7daSeric if (of_line == NULL && !samefrom(p, origfrom)) 1119d90b8d00Seric { 1120d90b8d00Seric (void) sprintf(obuf, "Original-From: %s\n", origfrom); 1121d90b8d00Seric putline(obuf, fp, fullsmtp); 1122d90b8d00Seric } 1123894de7daSeric if (of_line != NULL && !nooutput && samefrom(p, of_line)) 1124894de7daSeric { 1125894de7daSeric /* delete Original-From: line if redundant */ 1126894de7daSeric p = of_line; 1127894de7daSeric of_line = NULL; 1128894de7daSeric } 1129894de7daSeric } 1130894de7daSeric else if (strcmp(h->h_field, "original-from") == 0 && of_line == NULL) 1131894de7daSeric nooutput = TRUE; 1132894de7daSeric 1133894de7daSeric /* finally, output the header line */ 1134894de7daSeric if (!nooutput) 1135894de7daSeric { 1136d90b8d00Seric (void) sprintf(obuf, "%s: %s\n", capitalize(h->h_field), p); 1137d90b8d00Seric putline(obuf, fp, fullsmtp); 1138894de7daSeric h->h_flags |= H_USED; 1139894de7daSeric } 11406328bdf7Seric } 114151552439Seric } 114251552439Seric /* 114351552439Seric ** PUTBODY -- put the body of a message. 114451552439Seric ** 114551552439Seric ** Parameters: 114651552439Seric ** fp -- file to output onto. 114751552439Seric ** m -- a mailer descriptor. 114851552439Seric ** xdot -- if set, use SMTP hidden dot algorithm. 114951552439Seric ** 115051552439Seric ** Returns: 115151552439Seric ** none. 115251552439Seric ** 115351552439Seric ** Side Effects: 115451552439Seric ** The message is written onto fp. 115551552439Seric */ 115651552439Seric 115751552439Seric putbody(fp, m, xdot) 115851552439Seric FILE *fp; 115951552439Seric struct mailer *m; 116051552439Seric bool xdot; 116151552439Seric { 116251552439Seric char buf[MAXLINE + 1]; 1163d90b8d00Seric bool fullsmtp = bitset(M_FULLSMTP, m->m_flags); 116451552439Seric 116551552439Seric /* 116651552439Seric ** Output the body of the message 116751552439Seric */ 116851552439Seric 11695e663df1Seric #ifdef lint 11705e663df1Seric /* m will be needed later for complete smtp emulation */ 11715e663df1Seric if (m == NULL) 11725e663df1Seric return; 11735e663df1Seric #endif lint 11745e663df1Seric 117551552439Seric if (TempFile != NULL) 117651552439Seric { 117751552439Seric rewind(TempFile); 117851552439Seric buf[0] = '.'; 117951552439Seric while (!ferror(fp) && fgets(&buf[1], sizeof buf - 1, TempFile) != NULL) 1180d90b8d00Seric putline((xdot && buf[1] == '.') ? buf : &buf[1], fp, fullsmtp); 118151552439Seric 118251552439Seric if (ferror(TempFile)) 118351552439Seric { 118451552439Seric syserr("putbody: read error"); 118551552439Seric ExitStat = EX_IOERR; 118651552439Seric } 118751552439Seric } 118851552439Seric 118951552439Seric (void) fflush(fp); 119051552439Seric if (ferror(fp) && errno != EPIPE) 119151552439Seric { 119251552439Seric syserr("putbody: write error"); 119351552439Seric ExitStat = EX_IOERR; 119451552439Seric } 119551552439Seric errno = 0; 119625a99e2eSeric } 119725a99e2eSeric /* 1198bc28c57aSeric ** ISATWORD -- tell if the word we are pointing to is "at". 1199bc28c57aSeric ** 1200bc28c57aSeric ** Parameters: 1201bc28c57aSeric ** p -- word to check. 1202bc28c57aSeric ** 1203bc28c57aSeric ** Returns: 1204bc28c57aSeric ** TRUE -- if p is the word at. 1205bc28c57aSeric ** FALSE -- otherwise. 1206bc28c57aSeric ** 1207bc28c57aSeric ** Side Effects: 1208bc28c57aSeric ** none. 1209bc28c57aSeric */ 1210bc28c57aSeric 1211bc28c57aSeric bool 1212bc28c57aSeric isatword(p) 1213bc28c57aSeric register char *p; 1214bc28c57aSeric { 1215bc28c57aSeric extern char lower(); 1216bc28c57aSeric 1217bc28c57aSeric if (lower(p[0]) == 'a' && lower(p[1]) == 't' && 1218bc28c57aSeric p[2] != '\0' && isspace(p[2])) 1219bc28c57aSeric return (TRUE); 1220bc28c57aSeric return (FALSE); 1221bc28c57aSeric } 1222bc28c57aSeric /* 12238c2bf25bSeric ** REMOTENAME -- return the name relative to the current mailer 12248c2bf25bSeric ** 12258c2bf25bSeric ** Parameters: 12268c2bf25bSeric ** name -- the name to translate. 1227f60462a7Seric ** force -- if set, forces rewriting even if the mailer 1228f60462a7Seric ** does not request it. Used for rewriting 1229f60462a7Seric ** sender addresses. 12308c2bf25bSeric ** 12318c2bf25bSeric ** Returns: 12328c2bf25bSeric ** the text string representing this address relative to 12338c2bf25bSeric ** the receiving mailer. 12348c2bf25bSeric ** 12358c2bf25bSeric ** Side Effects: 12368c2bf25bSeric ** none. 12378c2bf25bSeric ** 12388c2bf25bSeric ** Warnings: 12398c2bf25bSeric ** The text string returned is tucked away locally; 12408c2bf25bSeric ** copy it if you intend to save it. 12418c2bf25bSeric */ 12428c2bf25bSeric 12438c2bf25bSeric char * 1244f60462a7Seric remotename(name, m, force) 12458c2bf25bSeric char *name; 1246bc213ac6Seric struct mailer *m; 1247f60462a7Seric bool force; 12488c2bf25bSeric { 12498c2bf25bSeric static char buf[MAXNAME]; 12508c2bf25bSeric char lbuf[MAXNAME]; 12518c2bf25bSeric extern char *macvalue(); 12528c2bf25bSeric char *oldf = macvalue('f'); 1253bc213ac6Seric char *oldx = macvalue('x'); 1254bc213ac6Seric char *oldg = macvalue('g'); 12558c2bf25bSeric extern char **prescan(); 12568c2bf25bSeric register char **pvp; 1257bc213ac6Seric extern char *getxpart(); 12585e663df1Seric extern ADDRESS *buildaddr(); 12598c2bf25bSeric 12608c2bf25bSeric /* 1261f60462a7Seric ** See if this mailer wants the name to be rewritten. There are 1262f60462a7Seric ** many problems here, owing to the standards for doing replies. 1263f60462a7Seric ** In general, these names should only be rewritten if we are 1264f60462a7Seric ** sending to another host that runs sendmail. 1265f60462a7Seric */ 1266f60462a7Seric 1267f60462a7Seric if (!bitset(M_RELRCPT, m->m_flags) && !force) 12685e663df1Seric return (name); 1269f60462a7Seric 1270f60462a7Seric /* 12718c2bf25bSeric ** Do general rewriting of name. 12728c2bf25bSeric ** This will also take care of doing global name translation. 12738c2bf25bSeric */ 12748c2bf25bSeric 1275bc213ac6Seric define('x', getxpart(name)); 12768c2bf25bSeric pvp = prescan(name, '\0'); 1277b3069faaSeric if (pvp == NULL) 1278b3069faaSeric return (name); 12798c2bf25bSeric rewrite(pvp, 1); 12808c2bf25bSeric rewrite(pvp, 3); 12818c2bf25bSeric if (**pvp == CANONNET) 12828c2bf25bSeric { 12838c2bf25bSeric /* oops... resolved to something */ 12848c2bf25bSeric return (name); 12858c2bf25bSeric } 12868c2bf25bSeric cataddr(pvp, lbuf, sizeof lbuf); 12878c2bf25bSeric 12888c2bf25bSeric /* make the name relative to the receiving mailer */ 12898c2bf25bSeric define('f', lbuf); 129051552439Seric expand(m->m_from, buf, &buf[sizeof buf - 1], CurEnv); 12918c2bf25bSeric 12928c2bf25bSeric /* rewrite to get rid of garbage we added in the expand above */ 12938c2bf25bSeric pvp = prescan(buf, '\0'); 1294b3069faaSeric if (pvp == NULL) 1295b3069faaSeric return (name); 12968c2bf25bSeric rewrite(pvp, 2); 1297bc213ac6Seric cataddr(pvp, lbuf, sizeof lbuf); 1298bc213ac6Seric 1299bc213ac6Seric /* now add any comment info we had before back */ 1300bc213ac6Seric define('g', lbuf); 130151552439Seric expand("$q", buf, &buf[sizeof buf - 1], CurEnv); 13028c2bf25bSeric 13038c2bf25bSeric define('f', oldf); 1304bc213ac6Seric define('g', oldg); 1305bc213ac6Seric define('x', oldx); 13068c2bf25bSeric 13078c2bf25bSeric # ifdef DEBUG 13088c2bf25bSeric if (Debug > 0) 13098c2bf25bSeric printf("remotename(%s) => `%s'\n", name, buf); 13108c2bf25bSeric # endif DEBUG 13118c2bf25bSeric return (buf); 13128c2bf25bSeric } 13138c2bf25bSeric /* 131487bd9a02Seric ** SAMEFROM -- tell if two text addresses represent the same from address. 131587bd9a02Seric ** 131687bd9a02Seric ** Parameters: 131787bd9a02Seric ** ifrom -- internally generated form of from address. 131887bd9a02Seric ** efrom -- external form of from address. 131987bd9a02Seric ** 132087bd9a02Seric ** Returns: 132187bd9a02Seric ** TRUE -- if they convey the same info. 132287bd9a02Seric ** FALSE -- if any information has been lost. 132387bd9a02Seric ** 132487bd9a02Seric ** Side Effects: 132587bd9a02Seric ** none. 132687bd9a02Seric */ 132787bd9a02Seric 132887bd9a02Seric bool 132987bd9a02Seric samefrom(ifrom, efrom) 133087bd9a02Seric char *ifrom; 133187bd9a02Seric char *efrom; 133287bd9a02Seric { 1333894de7daSeric register char *p; 1334894de7daSeric char buf[MAXNAME + 4]; 1335894de7daSeric 1336894de7daSeric # ifdef DEBUG 1337894de7daSeric if (Debug > 7) 1338894de7daSeric printf("samefrom(%s,%s)-->", ifrom, efrom); 1339894de7daSeric # endif DEBUG 1340894de7daSeric if (strcmp(ifrom, efrom) == 0) 1341894de7daSeric goto success; 1342894de7daSeric p = index(ifrom, '@'); 1343894de7daSeric if (p == NULL) 1344894de7daSeric goto failure; 1345894de7daSeric *p = '\0'; 13465e663df1Seric (void) strcpy(buf, ifrom); 13475e663df1Seric (void) strcat(buf, " at "); 1348894de7daSeric *p++ = '@'; 13495e663df1Seric (void) strcat(buf, p); 1350894de7daSeric if (strcmp(buf, efrom) == 0) 1351894de7daSeric goto success; 1352894de7daSeric 1353894de7daSeric failure: 1354894de7daSeric # ifdef DEBUG 1355894de7daSeric if (Debug > 7) 1356894de7daSeric printf("FALSE\n"); 1357894de7daSeric # endif DEBUG 1358894de7daSeric return (FALSE); 1359894de7daSeric 1360894de7daSeric success: 1361894de7daSeric # ifdef DEBUG 1362894de7daSeric if (Debug > 7) 1363894de7daSeric printf("TRUE\n"); 1364894de7daSeric # endif DEBUG 1365894de7daSeric return (TRUE); 136687bd9a02Seric } 136787bd9a02Seric /* 136825a99e2eSeric ** MAILFILE -- Send a message to a file. 136925a99e2eSeric ** 1370f129ec7dSeric ** If the file has the setuid/setgid bits set, but NO execute 1371f129ec7dSeric ** bits, sendmail will try to become the owner of that file 1372f129ec7dSeric ** rather than the real user. Obviously, this only works if 1373f129ec7dSeric ** sendmail runs as root. 1374f129ec7dSeric ** 137525a99e2eSeric ** Parameters: 137625a99e2eSeric ** filename -- the name of the file to send to. 13776259796dSeric ** ctladdr -- the controlling address header -- includes 13786259796dSeric ** the userid/groupid to be when sending. 137925a99e2eSeric ** 138025a99e2eSeric ** Returns: 138125a99e2eSeric ** The exit code associated with the operation. 138225a99e2eSeric ** 138325a99e2eSeric ** Side Effects: 138425a99e2eSeric ** none. 138525a99e2eSeric */ 138625a99e2eSeric 13876259796dSeric mailfile(filename, ctladdr) 138825a99e2eSeric char *filename; 13896259796dSeric ADDRESS *ctladdr; 139025a99e2eSeric { 139125a99e2eSeric register FILE *f; 139232d19d43Seric register int pid; 139325a99e2eSeric 139432d19d43Seric /* 139532d19d43Seric ** Fork so we can change permissions here. 139632d19d43Seric ** Note that we MUST use fork, not vfork, because of 139732d19d43Seric ** the complications of calling subroutines, etc. 139832d19d43Seric */ 139932d19d43Seric 140032d19d43Seric DOFORK(fork); 140132d19d43Seric 140232d19d43Seric if (pid < 0) 140332d19d43Seric return (EX_OSERR); 140432d19d43Seric else if (pid == 0) 140532d19d43Seric { 140632d19d43Seric /* child -- actually write to file */ 1407f129ec7dSeric struct stat stb; 1408f129ec7dSeric 14090984da9fSeric (void) signal(SIGINT, SIG_DFL); 14100984da9fSeric (void) signal(SIGHUP, SIG_DFL); 14110984da9fSeric (void) signal(SIGTERM, SIG_DFL); 1412f129ec7dSeric umask(OldUmask); 1413f129ec7dSeric if (stat(filename, &stb) < 0) 1414e6e1265fSeric stb.st_mode = 0666; 1415f129ec7dSeric if (bitset(0111, stb.st_mode)) 1416f129ec7dSeric exit(EX_CANTCREAT); 141703827b5fSeric if (ctladdr == NULL) 14187a941e7aSeric ctladdr = &CurEnv->e_from; 1419f129ec7dSeric if (!bitset(S_ISGID, stb.st_mode) || setgid(stb.st_gid) < 0) 1420e36b99e2Seric { 1421e36b99e2Seric if (ctladdr->q_uid == 0) 1422e36b99e2Seric (void) setgid(DefGid); 1423e36b99e2Seric else 14246259796dSeric (void) setgid(ctladdr->q_gid); 1425e36b99e2Seric } 1426f129ec7dSeric if (!bitset(S_ISUID, stb.st_mode) || setuid(stb.st_uid) < 0) 1427e36b99e2Seric { 1428e36b99e2Seric if (ctladdr->q_uid == 0) 1429e36b99e2Seric (void) setuid(DefUid); 1430e36b99e2Seric else 14316259796dSeric (void) setuid(ctladdr->q_uid); 1432e36b99e2Seric } 143327628d59Seric f = dfopen(filename, "a"); 143425a99e2eSeric if (f == NULL) 143532d19d43Seric exit(EX_CANTCREAT); 143625a99e2eSeric 143751552439Seric putfromline(f, Mailer[1]); 143851552439Seric (*CurEnv->e_puthdr)(f, Mailer[1], CurEnv); 1439d90b8d00Seric fputs("\n", f); 144051552439Seric (*CurEnv->e_putbody)(f, Mailer[1], FALSE); 144125a99e2eSeric fputs("\n", f); 1442db8841e9Seric (void) fclose(f); 144332d19d43Seric (void) fflush(stdout); 1444e36b99e2Seric 144527628d59Seric /* reset ISUID & ISGID bits for paranoid systems */ 1446c77d1c25Seric (void) chmod(filename, (int) stb.st_mode); 144732d19d43Seric exit(EX_OK); 144813bbc08cSeric /*NOTREACHED*/ 144932d19d43Seric } 145032d19d43Seric else 145132d19d43Seric { 145232d19d43Seric /* parent -- wait for exit status */ 145332d19d43Seric register int i; 145432d19d43Seric auto int stat; 145532d19d43Seric 145632d19d43Seric while ((i = wait(&stat)) != pid) 145732d19d43Seric { 145832d19d43Seric if (i < 0) 145932d19d43Seric { 146032d19d43Seric stat = EX_OSERR << 8; 146132d19d43Seric break; 146232d19d43Seric } 146332d19d43Seric } 14640984da9fSeric if ((stat & 0377) != 0) 14650984da9fSeric stat = EX_UNAVAILABLE << 8; 146632d19d43Seric return ((stat >> 8) & 0377); 146732d19d43Seric } 146825a99e2eSeric } 1469ea4dc939Seric /* 1470ea4dc939Seric ** SENDALL -- actually send all the messages. 1471ea4dc939Seric ** 1472ea4dc939Seric ** Parameters: 14730c52a0b3Seric ** e -- the envelope to send. 1474ea4dc939Seric ** verifyonly -- if set, only give verification messages. 1475ea4dc939Seric ** 1476ea4dc939Seric ** Returns: 1477ea4dc939Seric ** none. 1478ea4dc939Seric ** 1479ea4dc939Seric ** Side Effects: 1480ea4dc939Seric ** Scans the send lists and sends everything it finds. 14810c52a0b3Seric ** Delivers any appropriate error messages. 1482ea4dc939Seric */ 1483ea4dc939Seric 14840c52a0b3Seric sendall(e, verifyonly) 14850c52a0b3Seric ENVELOPE *e; 1486ea4dc939Seric bool verifyonly; 1487ea4dc939Seric { 1488e77e673fSeric register ADDRESS *q; 1489ea4dc939Seric 1490772e6e50Seric # ifdef DEBUG 1491772e6e50Seric if (Debug > 1) 1492772e6e50Seric { 1493772e6e50Seric printf("\nSend Queue:\n"); 14940c52a0b3Seric printaddr(e->e_sendqueue, TRUE); 1495772e6e50Seric } 1496772e6e50Seric # endif DEBUG 1497ea4dc939Seric 14980c52a0b3Seric /* 14990c52a0b3Seric ** Run through the list and send everything. 15000c52a0b3Seric */ 15010c52a0b3Seric 15020c52a0b3Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 1503ea4dc939Seric { 1504ea4dc939Seric if (verifyonly) 1505ea4dc939Seric { 15067a941e7aSeric CurEnv->e_to = q->q_paddr; 1507e77e673fSeric if (!bitset(QDONTSEND|QBADADDR, q->q_flags)) 1508ea4dc939Seric message(Arpa_Info, "deliverable"); 1509ea4dc939Seric } 1510ea4dc939Seric else 151151552439Seric (void) deliver(q); 1512ea4dc939Seric } 15130c52a0b3Seric 15140c52a0b3Seric /* 15150c52a0b3Seric ** Now run through and check for errors. 15160c52a0b3Seric */ 15170c52a0b3Seric 15180c52a0b3Seric if (verifyonly) 15190c52a0b3Seric return; 15200c52a0b3Seric 15210c52a0b3Seric for (q = e->e_sendqueue; q != NULL; q = q->q_next) 15220c52a0b3Seric { 15230c52a0b3Seric register ADDRESS *qq; 15240c52a0b3Seric 15250c52a0b3Seric if (bitset(QQUEUEUP, q->q_flags)) 15260c52a0b3Seric e->e_queueup = TRUE; 15270c52a0b3Seric if (!bitset(QBADADDR, q->q_flags)) 15280c52a0b3Seric continue; 15290c52a0b3Seric 15300c52a0b3Seric /* we have an address that failed -- find the parent */ 15310c52a0b3Seric for (qq = q; qq != NULL; qq = qq->q_alias) 15320c52a0b3Seric { 15330c52a0b3Seric char obuf[MAXNAME + 6]; 15340c52a0b3Seric extern char *aliaslookup(); 15350c52a0b3Seric 15360c52a0b3Seric /* we can only have owners for local addresses */ 15370c52a0b3Seric if (!bitset(M_LOCAL, qq->q_mailer->m_flags)) 15380c52a0b3Seric continue; 15390c52a0b3Seric 15400c52a0b3Seric /* see if the owner list exists */ 15410c52a0b3Seric (void) strcpy(obuf, "owner-"); 1542cec031e3Seric if (strncmp(qq->q_user, "owner-", 6) == 0) 1543cec031e3Seric (void) strcat(obuf, "owner"); 1544cec031e3Seric else 15450c52a0b3Seric (void) strcat(obuf, qq->q_user); 15460c52a0b3Seric if (aliaslookup(obuf) == NULL) 15470c52a0b3Seric continue; 15480c52a0b3Seric 15490c52a0b3Seric /* owner list exists -- add it to the error queue */ 15500c52a0b3Seric qq->q_flags &= ~QPRIMARY; 15510c52a0b3Seric sendto(obuf, 1, qq, &e->e_errorqueue); 15520c52a0b3Seric MailBack = TRUE; 15530c52a0b3Seric break; 15540c52a0b3Seric } 15550c52a0b3Seric 15560c52a0b3Seric /* if we did not find an owner, send to the sender */ 15570c52a0b3Seric if (qq == NULL) 15580c52a0b3Seric sendto(e->e_from.q_paddr, 1, qq, &e->e_errorqueue); 15590c52a0b3Seric } 15600c52a0b3Seric } 15610c52a0b3Seric /* 15620c52a0b3Seric ** CHECKERRORS -- check a queue of addresses and process errors. 15630c52a0b3Seric ** 15640c52a0b3Seric ** Parameters: 15650c52a0b3Seric ** e -- the envelope to check. 15660c52a0b3Seric ** 15670c52a0b3Seric ** Returns: 15680c52a0b3Seric ** none. 15690c52a0b3Seric ** 15700c52a0b3Seric ** Side Effects: 15710c52a0b3Seric ** Arranges to queue all tempfailed messages in q 15720c52a0b3Seric ** or deliver error responses. 15730c52a0b3Seric */ 15740c52a0b3Seric 15750c52a0b3Seric checkerrors(e) 15760c52a0b3Seric register ENVELOPE *e; 15770c52a0b3Seric { 15780c52a0b3Seric # ifdef DEBUG 15790c52a0b3Seric if (Debug > 0) 15800c52a0b3Seric { 1581e1e0dfbfSeric printf("\ncheckerrors: FatalErrors %d, errorqueue:\n"); 15820c52a0b3Seric printaddr(e->e_errorqueue, TRUE); 15830c52a0b3Seric } 15840c52a0b3Seric # endif DEBUG 15850c52a0b3Seric 15860c52a0b3Seric /* mail back the transcript on errors */ 15870c52a0b3Seric if (FatalErrors) 15880c52a0b3Seric savemail(); 15890c52a0b3Seric 15900c52a0b3Seric /* queue up anything laying around */ 15910c52a0b3Seric if (e->e_queueup) 15920c52a0b3Seric { 15930c52a0b3Seric # ifdef QUEUE 15940c52a0b3Seric queueup(e, FALSE); 15950c52a0b3Seric # else QUEUE 15960c52a0b3Seric syserr("finis: trying to queue %s", e->e_df); 15970c52a0b3Seric # endif QUEUE 15980c52a0b3Seric } 1599ea4dc939Seric } 1600