122711Sdist /* 234921Sbostic * Copyright (c) 1983 Eric P. Allman 362531Sbostic * Copyright (c) 1988, 1993 462531Sbostic * The Regents of the University of California. All rights reserved. 533731Sbostic * 642829Sbostic * %sccs.include.redist.c% 733731Sbostic */ 822711Sdist 922711Sdist #ifndef lint 10*68141Seric static char sccsid[] = "@(#)savemail.c 8.50 (Berkeley) 01/07/95"; 1133731Sbostic #endif /* not lint */ 1222711Sdist 1363937Seric # include "sendmail.h" 14297Seric # include <pwd.h> 15297Seric 16297Seric /* 17297Seric ** SAVEMAIL -- Save mail on error 18297Seric ** 199375Seric ** If mailing back errors, mail it back to the originator 20297Seric ** together with an error message; otherwise, just put it in 21297Seric ** dead.letter in the user's home directory (if he exists on 22297Seric ** this machine). 23297Seric ** 24297Seric ** Parameters: 259337Seric ** e -- the envelope containing the message in error. 2667981Seric ** sendbody -- if TRUE, also send back the body of the 2767981Seric ** message; otherwise just send the header. 28297Seric ** 29297Seric ** Returns: 30297Seric ** none 31297Seric ** 32297Seric ** Side Effects: 33297Seric ** Saves the letter, by writing or mailing it back to the 34297Seric ** sender, or by putting it in dead.letter in her home 35297Seric ** directory. 36297Seric */ 37297Seric 3824942Seric /* defines for state machine */ 3924942Seric # define ESM_REPORT 0 /* report to sender's terminal */ 4024942Seric # define ESM_MAIL 1 /* mail back to sender */ 4124942Seric # define ESM_QUIET 2 /* messages have already been returned */ 4224942Seric # define ESM_DEADLETTER 3 /* save in ~/dead.letter */ 4324942Seric # define ESM_POSTMASTER 4 /* return to postmaster */ 4424942Seric # define ESM_USRTMP 5 /* save in /usr/tmp/dead.letter */ 4524942Seric # define ESM_PANIC 6 /* leave the locked queue/transcript files */ 4624942Seric # define ESM_DONE 7 /* the message is successfully delivered */ 4724942Seric 4865174Seric # ifndef _PATH_VARTMP 4965174Seric # define _PATH_VARTMP "/usr/tmp/" 5065174Seric # endif 5124942Seric 5265174Seric 5367981Seric savemail(e, sendbody) 549337Seric register ENVELOPE *e; 5567981Seric bool sendbody; 56297Seric { 57297Seric register struct passwd *pw; 5824942Seric register FILE *fp; 5924942Seric int state; 6059290Seric auto ADDRESS *q = NULL; 6165870Seric register char *p; 6265870Seric MCI mcibuf; 63297Seric char buf[MAXLINE+1]; 64297Seric extern struct passwd *getpwnam(); 65297Seric extern char *ttypath(); 665846Seric typedef int (*fnptr)(); 6764945Seric extern bool writable(); 68297Seric 697676Seric if (tTd(6, 1)) 7058680Seric { 7166317Seric printf("\nsavemail, errormode = %c, id = %s, ExitStat = %d\n e_from=", 7266317Seric e->e_errormode, e->e_id == NULL ? "NONE" : e->e_id, 7366317Seric ExitStat); 7458680Seric printaddr(&e->e_from, FALSE); 7558680Seric } 767361Seric 7759101Seric if (e->e_id == NULL) 7859101Seric { 7959101Seric /* can't return a message with no id */ 8059101Seric return; 8159101Seric } 8259101Seric 83297Seric /* 84297Seric ** In the unhappy event we don't know who to return the mail 85297Seric ** to, make someone up. 86297Seric */ 87297Seric 889337Seric if (e->e_from.q_paddr == NULL) 89297Seric { 9058733Seric e->e_sender = "Postmaster"; 9164284Seric if (parseaddr(e->e_sender, &e->e_from, 9264284Seric RF_COPYPARSE|RF_SENDERADDR, '\0', NULL, e) == NULL) 93297Seric { 9458733Seric syserr("553 Cannot parse Postmaster!"); 95297Seric ExitStat = EX_SOFTWARE; 96297Seric finis(); 97297Seric } 98297Seric } 999337Seric e->e_to = NULL; 100297Seric 101297Seric /* 10224942Seric ** Basic state machine. 10324942Seric ** 10424942Seric ** This machine runs through the following states: 10524942Seric ** 10624942Seric ** ESM_QUIET Errors have already been printed iff the 10724942Seric ** sender is local. 10824942Seric ** ESM_REPORT Report directly to the sender's terminal. 10924942Seric ** ESM_MAIL Mail response to the sender. 11024942Seric ** ESM_DEADLETTER Save response in ~/dead.letter. 11124942Seric ** ESM_POSTMASTER Mail response to the postmaster. 11224942Seric ** ESM_PANIC Save response anywhere possible. 113297Seric */ 114297Seric 11524942Seric /* determine starting state */ 11658734Seric switch (e->e_errormode) 117297Seric { 11824942Seric case EM_WRITE: 11924942Seric state = ESM_REPORT; 12024942Seric break; 12124942Seric 12224942Seric case EM_BERKNET: 12324942Seric /* mail back, but return o.k. exit status */ 124401Seric ExitStat = EX_OK; 12524942Seric 12624942Seric /* fall through.... */ 12724942Seric 12824942Seric case EM_MAIL: 12924942Seric state = ESM_MAIL; 13024942Seric break; 13124942Seric 13224942Seric case EM_PRINT: 13324979Seric case '\0': 13424942Seric state = ESM_QUIET; 13524942Seric break; 13624942Seric 13724942Seric case EM_QUIET: 13824942Seric /* no need to return anything at all */ 13924942Seric return; 14024979Seric 14124979Seric default: 14258734Seric syserr("554 savemail: bogus errormode x%x\n", e->e_errormode); 14324979Seric state = ESM_MAIL; 14424979Seric break; 145297Seric } 146297Seric 14759094Seric /* if this is already an error response, send to postmaster */ 14859094Seric if (bitset(EF_RESPONSE, e->e_flags)) 14959094Seric { 15059094Seric if (e->e_parent != NULL && 15159094Seric bitset(EF_RESPONSE, e->e_parent->e_flags)) 15259094Seric { 15359094Seric /* got an error sending a response -- can it */ 15459094Seric return; 15559094Seric } 15659094Seric state = ESM_POSTMASTER; 15759094Seric } 15859094Seric 15924942Seric while (state != ESM_DONE) 160297Seric { 16124979Seric if (tTd(6, 5)) 16224979Seric printf(" state %d\n", state); 16324979Seric 16424942Seric switch (state) 165297Seric { 16624979Seric case ESM_QUIET: 16767473Seric if (bitnset(M_LOCALMAILER, e->e_from.q_mailer->m_flags)) 16824979Seric state = ESM_DEADLETTER; 16924979Seric else 17024979Seric state = ESM_MAIL; 17124979Seric break; 17224979Seric 17324942Seric case ESM_REPORT: 17424942Seric 17524942Seric /* 17624942Seric ** If the user is still logged in on the same terminal, 17724942Seric ** then write the error messages back to hir (sic). 17824942Seric */ 17924942Seric 18024942Seric p = ttypath(); 18124942Seric if (p == NULL || freopen(p, "w", stdout) == NULL) 18224942Seric { 18324942Seric state = ESM_MAIL; 18424942Seric break; 18524942Seric } 18624942Seric 18758050Seric expand("\201n", buf, &buf[sizeof buf - 1], e); 1889375Seric printf("\r\nMessage from %s...\r\n", buf); 1899375Seric printf("Errors occurred while sending mail.\r\n"); 1909542Seric if (e->e_xfp != NULL) 1919375Seric { 1929542Seric (void) fflush(e->e_xfp); 19324942Seric fp = fopen(queuename(e, 'x'), "r"); 1949375Seric } 1959375Seric else 19624942Seric fp = NULL; 19724942Seric if (fp == NULL) 1989375Seric { 1999337Seric syserr("Cannot open %s", queuename(e, 'x')); 2009375Seric printf("Transcript of session is unavailable.\r\n"); 2019375Seric } 2029375Seric else 2039375Seric { 2049375Seric printf("Transcript follows:\r\n"); 20524942Seric while (fgets(buf, sizeof buf, fp) != NULL && 2069375Seric !ferror(stdout)) 2079375Seric fputs(buf, stdout); 20858680Seric (void) xfclose(fp, "savemail transcript", e->e_id); 2099375Seric } 21024942Seric printf("Original message will be saved in dead.letter.\r\n"); 21124942Seric state = ESM_DEADLETTER; 21224942Seric break; 213297Seric 21424942Seric case ESM_MAIL: 21524942Seric /* 21624942Seric ** If mailing back, do it. 21724942Seric ** Throw away all further output. Don't alias, 21824942Seric ** since this could cause loops, e.g., if joe 21924942Seric ** mails to joe@x, and for some reason the network 22024942Seric ** for @x is down, then the response gets sent to 22124942Seric ** joe@x, which gives a response, etc. Also force 22224942Seric ** the mail to be delivered even if a version of 22324942Seric ** it has already been sent to the sender. 22463841Seric ** 22563841Seric ** If this is a configuration or local software 22663841Seric ** error, send to the local postmaster as well, 22763841Seric ** since the originator can't do anything 22863841Seric ** about it anyway. Note that this is a full 22963841Seric ** copy of the message (intentionally) so that 23063841Seric ** the Postmaster can forward things along. 23124942Seric */ 232297Seric 23363841Seric if (ExitStat == EX_CONFIG || ExitStat == EX_SOFTWARE) 23463841Seric { 23563841Seric (void) sendtolist("postmaster", 23667982Seric NULLADDR, &e->e_errorqueue, 0, e); 23763841Seric } 23867939Seric if (!emptyaddr(&e->e_from)) 23963841Seric { 24058680Seric (void) sendtolist(e->e_from.q_paddr, 24167982Seric NULLADDR, &e->e_errorqueue, 0, e); 24263841Seric } 24358680Seric 24463841Seric /* 24563841Seric ** Deliver a non-delivery report to the 24663841Seric ** Postmaster-designate (not necessarily 24763841Seric ** Postmaster). This does not include the 24863841Seric ** body of the message, for privacy reasons. 24963841Seric ** You really shouldn't need this. 25063841Seric */ 25163841Seric 25263849Seric e->e_flags |= EF_PM_NOTIFY; 25358178Seric 25464792Seric /* check to see if there are any good addresses */ 25564792Seric for (q = e->e_errorqueue; q != NULL; q = q->q_next) 25664792Seric if (!bitset(QBADADDR|QDONTSEND, q->q_flags)) 25764792Seric break; 25858680Seric if (q == NULL) 25958680Seric { 26058680Seric /* this is an error-error */ 26158680Seric state = ESM_POSTMASTER; 26258680Seric break; 26358680Seric } 26466303Seric if (returntosender(e->e_message, e->e_errorqueue, 26567981Seric sendbody, e) == 0) 26658680Seric { 26758680Seric state = ESM_DONE; 26858680Seric break; 26958680Seric } 27024981Seric 27158680Seric /* didn't work -- return to postmaster */ 27258680Seric state = ESM_POSTMASTER; 27358680Seric break; 27458306Seric 27558680Seric case ESM_POSTMASTER: 27658680Seric /* 27758680Seric ** Similar to previous case, but to system postmaster. 27858680Seric */ 27958680Seric 28059432Seric q = NULL; 28167982Seric if (sendtolist("postmaster", NULL, &q, 0, e) <= 0) 28224942Seric { 28358680Seric syserr("553 cannot parse postmaster!"); 28458680Seric ExitStat = EX_SOFTWARE; 28558680Seric state = ESM_USRTMP; 28658680Seric break; 28724942Seric } 28867981Seric if (returntosender(e->e_message, q, sendbody, e) == 0) 28924942Seric { 29024942Seric state = ESM_DONE; 29124942Seric break; 29224942Seric } 293297Seric 29458680Seric /* didn't work -- last resort */ 29558680Seric state = ESM_USRTMP; 29624942Seric break; 297297Seric 29824942Seric case ESM_DEADLETTER: 29924942Seric /* 30024942Seric ** Save the message in dead.letter. 30124942Seric ** If we weren't mailing back, and the user is 30224942Seric ** local, we should save the message in 30324942Seric ** ~/dead.letter so that the poor person doesn't 30424942Seric ** have to type it over again -- and we all know 30524942Seric ** what poor typists UNIX users are. 30624942Seric */ 3075315Seric 30824942Seric p = NULL; 30967473Seric if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) 31024942Seric { 31124942Seric if (e->e_from.q_home != NULL) 31224942Seric p = e->e_from.q_home; 31324942Seric else if ((pw = getpwnam(e->e_from.q_user)) != NULL) 31424942Seric p = pw->pw_dir; 31524942Seric } 31624942Seric if (p == NULL) 31724942Seric { 31858865Seric /* no local directory */ 31924942Seric state = ESM_MAIL; 32024942Seric break; 32124942Seric } 32224942Seric if (e->e_dfp != NULL) 32324942Seric { 32424942Seric bool oldverb = Verbose; 32524942Seric 32624942Seric /* we have a home directory; open dead.letter */ 32724942Seric define('z', p, e); 32858050Seric expand("\201z/dead.letter", buf, &buf[sizeof buf - 1], e); 32924942Seric Verbose = TRUE; 33058151Seric message("Saving message in %s", buf); 33124942Seric Verbose = oldverb; 33224942Seric e->e_to = buf; 33324942Seric q = NULL; 33467982Seric (void) sendtolist(buf, &e->e_from, &q, 0, e); 33564354Seric if (q != NULL && 33664354Seric !bitset(QBADADDR, q->q_flags) && 33764354Seric deliver(e, q) == 0) 33824942Seric state = ESM_DONE; 33924942Seric else 34024942Seric state = ESM_MAIL; 34124942Seric } 34225569Seric else 34325569Seric { 34425569Seric /* no data file -- try mailing back */ 34525569Seric state = ESM_MAIL; 34625569Seric } 34724942Seric break; 34824942Seric 34924942Seric case ESM_USRTMP: 35024942Seric /* 35124942Seric ** Log the mail in /usr/tmp/dead.letter. 35224942Seric */ 35324942Seric 35457438Seric if (e->e_class < 0) 35557438Seric { 35657438Seric state = ESM_DONE; 35757438Seric break; 35857438Seric } 35957438Seric 36065174Seric strcpy(buf, _PATH_VARTMP); 36165174Seric strcat(buf, "dead.letter"); 36265112Seric if (!writable(buf, NULLADDR, SFF_NOSLINK)) 36364945Seric { 36464945Seric state = ESM_PANIC; 36564945Seric break; 36664945Seric } 36764945Seric fp = dfopen(buf, O_WRONLY|O_CREAT|O_APPEND, FileMode); 36824942Seric if (fp == NULL) 36924942Seric { 37024942Seric state = ESM_PANIC; 37124942Seric break; 37224942Seric } 37324942Seric 37465870Seric bzero(&mcibuf, sizeof mcibuf); 37565870Seric mcibuf.mci_out = fp; 37665870Seric mcibuf.mci_mailer = FileMailer; 37765870Seric if (bitnset(M_7BITS, FileMailer->m_flags)) 37865870Seric mcibuf.mci_flags |= MCIF_7BIT; 37965870Seric 38065870Seric putfromline(&mcibuf, e); 38167936Seric (*e->e_puthdr)(&mcibuf, e->e_header, e, 0); 38267936Seric (*e->e_putbody)(&mcibuf, e, NULL, 0); 38365870Seric putline("\n", &mcibuf); 38424942Seric (void) fflush(fp); 38524942Seric state = ferror(fp) ? ESM_PANIC : ESM_DONE; 38667809Seric (void) xfclose(fp, "savemail", buf); 38724942Seric break; 38824942Seric 38924942Seric default: 39058151Seric syserr("554 savemail: unknown state %d", state); 39124942Seric 39224942Seric /* fall through ... */ 39324942Seric 39424942Seric case ESM_PANIC: 39524942Seric /* leave the locked queue & transcript files around */ 39664949Seric syserr("!554 savemail: cannot save rejected email anywhere"); 39724942Seric } 398297Seric } 399297Seric } 400297Seric /* 4014633Seric ** RETURNTOSENDER -- return a message to the sender with an error. 4024633Seric ** 4034633Seric ** Parameters: 4044633Seric ** msg -- the explanatory message. 40516479Seric ** returnq -- the queue of people to send the message to. 4065984Seric ** sendbody -- if TRUE, also send back the body of the 4075984Seric ** message; otherwise just send the header. 40855012Seric ** e -- the current envelope. 4094633Seric ** 4104633Seric ** Returns: 4114633Seric ** zero -- if everything went ok. 4124633Seric ** else -- some error. 4134633Seric ** 4144633Seric ** Side Effects: 4154633Seric ** Returns the current message to the sender via 4164633Seric ** mail. 4174633Seric */ 4184633Seric 4195984Seric static bool SendBody; 4204633Seric 4217045Seric #define MAXRETURNS 6 /* max depth of returning messages */ 42258559Seric #define ERRORFUDGE 100 /* nominal size of error message text */ 4237045Seric 42455012Seric returntosender(msg, returnq, sendbody, e) 4254633Seric char *msg; 42616479Seric ADDRESS *returnq; 4275984Seric bool sendbody; 42855012Seric register ENVELOPE *e; 4294633Seric { 4304633Seric char buf[MAXNAME]; 4316978Seric extern putheader(), errbody(); 4326978Seric register ENVELOPE *ee; 43358680Seric ENVELOPE *oldcur = CurEnv; 4346978Seric ENVELOPE errenvelope; 4357045Seric static int returndepth; 4369375Seric register ADDRESS *q; 4374633Seric 43860010Seric if (returnq == NULL) 43960010Seric return (-1); 44060010Seric 44158966Seric if (msg == NULL) 44258966Seric msg = "Unable to deliver mail"; 44358966Seric 4447676Seric if (tTd(6, 1)) 4457287Seric { 44667987Seric printf("\n*** Return To Sender: msg=\"%s\", depth=%d, e=%x, returnq=", 44755012Seric msg, returndepth, e); 44816479Seric printaddr(returnq, TRUE); 44967987Seric if (tTd(6, 20)) 45067987Seric { 45167987Seric printf("Sendq="); 45267987Seric printaddr(e->e_sendqueue, TRUE); 45367987Seric } 4547287Seric } 4557287Seric 4567045Seric if (++returndepth >= MAXRETURNS) 4577045Seric { 4587045Seric if (returndepth != MAXRETURNS) 45958151Seric syserr("554 returntosender: infinite recursion on %s", returnq->q_paddr); 4607045Seric /* don't "unrecurse" and fake a clean exit */ 4617045Seric /* returndepth--; */ 4627045Seric return (0); 4637045Seric } 4647045Seric 4655984Seric SendBody = sendbody; 46658680Seric define('g', e->e_from.q_paddr, e); 46764940Seric define('u', NULL, e); 46867880Seric 46967880Seric /* initialize error envelope */ 47058179Seric ee = newenvelope(&errenvelope, e); 47158050Seric define('a', "\201b", ee); 47259057Seric define('r', "internal", ee); 47359057Seric define('s', "localhost", ee); 47459057Seric define('_', "localhost", ee); 4756978Seric ee->e_puthdr = putheader; 4766978Seric ee->e_putbody = errbody; 47764120Seric ee->e_flags |= EF_RESPONSE|EF_METOO; 47855012Seric if (!bitset(EF_OLDSTYLE, e->e_flags)) 47945155Seric ee->e_flags &= ~EF_OLDSTYLE; 48016479Seric ee->e_sendqueue = returnq; 48164655Seric ee->e_msgsize = ERRORFUDGE; 48267473Seric if (!bitset(EF_NORETURN, e->e_flags)) 48364655Seric ee->e_msgsize += e->e_msgsize; 48464737Seric initsys(ee); 48516479Seric for (q = returnq; q != NULL; q = q->q_next) 4869375Seric { 48759989Seric if (bitset(QBADADDR, q->q_flags)) 48858559Seric continue; 48958559Seric 490*68141Seric if (!DontPruneRoutes && pruneroute(q->q_paddr)) 491*68141Seric { 492*68141Seric register ADDRESS *p; 493*68141Seric 494*68141Seric parseaddr(q->q_paddr, q, RF_COPYPARSE, '\0', NULL, e); 495*68141Seric for (p = returnq; p != NULL; p = p->q_next) 496*68141Seric { 497*68141Seric if (p != q && sameaddr(p, q)) 498*68141Seric q->q_flags |= QDONTSEND; 499*68141Seric } 500*68141Seric } 501*68141Seric 50259989Seric if (!bitset(QDONTSEND, q->q_flags)) 50359989Seric ee->e_nrcpts++; 50458559Seric 5059375Seric if (q->q_alias == NULL) 50667546Seric addheader("To", q->q_paddr, &ee->e_header); 5079375Seric } 50824942Seric 50957642Seric # ifdef LOG 51058020Seric if (LogLevel > 5) 51165054Seric syslog(LOG_INFO, "%s: %s: return to sender: %s", 51257642Seric e->e_id, ee->e_id, msg); 51357642Seric # endif 51457642Seric 51568003Seric if (SendMIMEErrors) 51667261Seric { 51768003Seric addheader("MIME-Version", "1.0", &ee->e_header); 51868003Seric (void) sprintf(buf, "%s.%ld/%s", 51968003Seric ee->e_id, curtime(), MyHostName); 52068003Seric ee->e_msgboundary = newstr(buf); 52168003Seric (void) sprintf(buf, 52268028Seric #ifdef DSN 52368085Seric "multipart/report; report-type=X-delivery-status-1; boundary=\"%s\"", 52468028Seric #else 52568028Seric "multipart/mixed; boundary=\"%s\"", 52668028Seric #endif 52768003Seric ee->e_msgboundary); 52868003Seric addheader("Content-Type", buf, &ee->e_header); 52968003Seric } 53068003Seric else if (strncmp(msg, "Warning:", 8) == 0) 53168003Seric { 53267261Seric addheader("Subject", msg, ee); 53367546Seric addheader("Precedence", "autoreply warning-timeout", &ee->e_header); 53467261Seric } 53567429Seric else if (strcmp(msg, "Return receipt") == 0) 53667429Seric { 53767429Seric addheader("Subject", msg, ee); 53867546Seric addheader("Precedence", "autoreply return-receipt", &ee->e_header); 53967429Seric } 54067261Seric else 54167261Seric { 54267261Seric sprintf(buf, "Returned mail: %.*s", sizeof buf - 20, msg); 54367546Seric addheader("Subject", buf, &ee->e_header); 54467546Seric addheader("Precedence", "autoreply failure-message", &ee->e_header); 54567261Seric } 5464633Seric 5474633Seric /* fake up an address header for the from person */ 54858050Seric expand("\201n", buf, &buf[sizeof buf - 1], e); 54964284Seric if (parseaddr(buf, &ee->e_from, RF_COPYALL|RF_SENDERADDR, '\0', NULL, e) == NULL) 5504633Seric { 55158151Seric syserr("553 Can't parse myself!"); 5524633Seric ExitStat = EX_SOFTWARE; 5537045Seric returndepth--; 5544633Seric return (-1); 5554633Seric } 55658704Seric ee->e_sender = ee->e_from.q_paddr; 5575984Seric 5586978Seric /* push state into submessage */ 5596978Seric CurEnv = ee; 56058050Seric define('f', "\201n", ee); 5619375Seric define('x', "Mail Delivery Subsystem", ee); 56258929Seric eatheader(ee, TRUE); 5635984Seric 56463753Seric /* mark statistics */ 56564284Seric markstats(ee, NULLADDR); 56663753Seric 5676978Seric /* actually deliver the error message */ 56814876Seric sendall(ee, SM_DEFAULT); 5696978Seric 5706978Seric /* restore state */ 5717811Seric dropenvelope(ee); 57258680Seric CurEnv = oldcur; 5737045Seric returndepth--; 5746978Seric 5757045Seric /* should check for delivery errors here */ 5764633Seric return (0); 5774633Seric } 5784633Seric /* 5796978Seric ** ERRBODY -- output the body of an error message. 5806978Seric ** 5816978Seric ** Typically this is a copy of the transcript plus a copy of the 5826978Seric ** original offending message. 5836978Seric ** 584297Seric ** Parameters: 58565870Seric ** mci -- the mailer connection information. 5869542Seric ** e -- the envelope we are working in. 58767546Seric ** separator -- any possible MIME separator. 58867936Seric ** flags -- to modify the behaviour. 589297Seric ** 590297Seric ** Returns: 591297Seric ** none 592297Seric ** 593297Seric ** Side Effects: 5946978Seric ** Outputs the body of an error message. 595297Seric */ 596297Seric 59767936Seric errbody(mci, e, separator, flags) 59865870Seric register MCI *mci; 5999542Seric register ENVELOPE *e; 60067546Seric char *separator; 601297Seric { 6026978Seric register FILE *xfile; 60359082Seric char *p; 60459082Seric register ADDRESS *q; 60559082Seric bool printheader; 60667936Seric int pflags = flags; 6073189Seric char buf[MAXLINE]; 608297Seric 60967546Seric if (bitset(MCIF_INHEADER, mci->mci_flags)) 61067546Seric { 61167546Seric putline("", mci); 61267546Seric mci->mci_flags &= ~MCIF_INHEADER; 61367546Seric } 61458680Seric if (e->e_parent == NULL) 61558680Seric { 61658680Seric syserr("errbody: null parent"); 61765870Seric putline(" ----- Original message lost -----\n", mci); 61858680Seric return; 61958680Seric } 62058680Seric 6219057Seric /* 62259730Seric ** Output MIME header. 62359730Seric */ 62459730Seric 62559730Seric if (e->e_msgboundary != NULL) 62659730Seric { 62765870Seric putline("This is a MIME-encapsulated message", mci); 62865870Seric putline("", mci); 62959730Seric (void) sprintf(buf, "--%s", e->e_msgboundary); 63065870Seric putline(buf, mci); 63165870Seric putline("", mci); 63259730Seric } 63359730Seric 63459730Seric /* 63563852Seric ** Output introductory information. 63663852Seric */ 63763852Seric 63864718Seric for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) 63964718Seric if (bitset(QBADADDR, q->q_flags)) 64064718Seric break; 64165054Seric if (q == NULL && 64265054Seric !bitset(EF_FATALERRS|EF_SENDRECEIPT, e->e_parent->e_flags)) 64364718Seric { 64464718Seric putline(" **********************************************", 64565870Seric mci); 64664718Seric putline(" ** THIS IS A WARNING MESSAGE ONLY **", 64765870Seric mci); 64864718Seric putline(" ** YOU DO NOT NEED TO RESEND YOUR MESSAGE **", 64965870Seric mci); 65064718Seric putline(" **********************************************", 65165870Seric mci); 65265870Seric putline("", mci); 65364718Seric } 65464718Seric sprintf(buf, "The original message was received at %s", 65564718Seric arpadate(ctime(&e->e_parent->e_ctime))); 65665870Seric putline(buf, mci); 65764025Seric expand("from \201_", buf, &buf[sizeof buf - 1], e->e_parent); 65865870Seric putline(buf, mci); 65965870Seric putline("", mci); 66063852Seric 66163852Seric /* 66255372Seric ** Output error message header (if specified and available). 66355372Seric */ 66455372Seric 66567682Seric if (ErrMsgFile != NULL && !bitset(EF_SENDRECEIPT, e->e_parent->e_flags)) 66655372Seric { 66755372Seric if (*ErrMsgFile == '/') 66855372Seric { 66955372Seric xfile = fopen(ErrMsgFile, "r"); 67055372Seric if (xfile != NULL) 67155372Seric { 67255372Seric while (fgets(buf, sizeof buf, xfile) != NULL) 67355425Seric { 67455425Seric expand(buf, buf, &buf[sizeof buf - 1], e); 67565870Seric putline(buf, mci); 67655425Seric } 67755372Seric (void) fclose(xfile); 67865870Seric putline("\n", mci); 67955372Seric } 68055372Seric } 68155372Seric else 68255372Seric { 68355425Seric expand(ErrMsgFile, buf, &buf[sizeof buf - 1], e); 68465870Seric putline(buf, mci); 68565870Seric putline("", mci); 68655372Seric } 68755372Seric } 68855372Seric 68955372Seric /* 69059082Seric ** Output message introduction 69159082Seric */ 69259082Seric 69359082Seric printheader = TRUE; 69459082Seric for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) 69559082Seric { 69667981Seric if (bitset(QBADADDR|QREPORT|QRELAYED, q->q_flags)) 69759082Seric { 69859082Seric if (printheader) 69959082Seric { 70067880Seric putline(" ----- The following addresses have delivery notifications -----", 70165870Seric mci); 70259082Seric printheader = FALSE; 70359082Seric } 70463849Seric strcpy(buf, q->q_paddr); 70563787Seric if (bitset(QBADADDR, q->q_flags)) 70663849Seric strcat(buf, " (unrecoverable error)"); 70767981Seric else if (bitset(QRELAYED, q->q_flags)) 70867981Seric strcat(buf, " (relayed to non-DSN-aware mailer)"); 70967880Seric else if (bitset(QSENT, q->q_flags)) 71067880Seric strcat(buf, " (successfully delivered)"); 71163787Seric else 71263849Seric strcat(buf, " (transient failure)"); 71365870Seric putline(buf, mci); 71463849Seric if (q->q_alias != NULL) 71563849Seric { 71663849Seric strcpy(buf, " (expanded from: "); 71763849Seric strcat(buf, q->q_alias->q_paddr); 71863849Seric strcat(buf, ")"); 71965870Seric putline(buf, mci); 72063849Seric } 72159082Seric } 72259082Seric } 72359082Seric if (!printheader) 72465870Seric putline("\n", mci); 72559082Seric 72659082Seric /* 7279057Seric ** Output transcript of errors 7289057Seric */ 7299057Seric 7304086Seric (void) fflush(stdout); 7319542Seric p = queuename(e->e_parent, 'x'); 7329337Seric if ((xfile = fopen(p, "r")) == NULL) 7339057Seric { 7349337Seric syserr("Cannot open %s", p); 73565870Seric putline(" ----- Transcript of session is unavailable -----\n", mci); 7369057Seric } 7379057Seric else 7389057Seric { 73965870Seric putline(" ----- Transcript of session follows -----\n", mci); 7409542Seric if (e->e_xfp != NULL) 7419542Seric (void) fflush(e->e_xfp); 7429057Seric while (fgets(buf, sizeof buf, xfile) != NULL) 74365870Seric putline(buf, mci); 74458680Seric (void) xfclose(xfile, "errbody xscript", p); 7459057Seric } 746297Seric errno = 0; 7474318Seric 74868028Seric #ifdef DSN 7494318Seric /* 75067880Seric ** Output machine-readable version. 75167880Seric */ 75267880Seric 75367880Seric if (e->e_msgboundary != NULL) 75467880Seric { 75567880Seric putline("", mci); 75667880Seric (void) sprintf(buf, "--%s", e->e_msgboundary); 75767880Seric putline(buf, mci); 75868085Seric putline("Content-Type: message/X-delivery-status-1", mci); 75967880Seric putline("", mci); 76067880Seric 76167880Seric /* 76267880Seric ** Output per-message information. 76367880Seric */ 76467880Seric 76567963Seric /* OMTS from MAIL FROM: line */ 76667963Seric if (e->e_parent->e_omts != NULL) 76767963Seric { 76867963Seric (void) sprintf(buf, "Original-MTS-Type: %s", 76967963Seric e->e_parent->e_omts); 77067963Seric putline(buf, mci); 77167963Seric } 77267880Seric 77367880Seric /* original envelope id from MAIL FROM: line */ 77467880Seric if (e->e_parent->e_envid != NULL) 77567880Seric { 77667880Seric (void) sprintf(buf, "Original-Envelope-Id: %s", 77767880Seric e->e_parent->e_envid); 77867880Seric putline(buf, mci); 77967880Seric } 78067880Seric 78167963Seric /* Final-MTS-Type: is required -- our type */ 78267996Seric if (e->e_parent->e_from.q_mailer->m_mtstype == NULL) 78367996Seric putline("Final-MTS-Type: Internet", mci); 78467996Seric else 78567996Seric { 78667996Seric (void) sprintf(buf, "Final-MTS-Type: %s", 78767996Seric e->e_parent->e_from.q_mailer->m_mtstype); 78867996Seric putline(buf, mci); 78967996Seric } 79067880Seric 79167880Seric /* Final-MTA: seems silly -- this is in the From: line */ 79267880Seric (void) sprintf(buf, "Final-MTA: %s", MyHostName); 79367880Seric putline(buf, mci); 79467880Seric 79567963Seric /* Received-From: shows where we got this message from */ 79667990Seric if (RealHostName != NULL) 79767990Seric { 79867990Seric (void) sprintf(buf, "Received-From: %s", RealHostName); 79967990Seric putline(buf, mci); 80067990Seric } 80167963Seric 80267963Seric /* Arrival-Date: -- when it arrived here */ 80367963Seric (void) sprintf(buf, "Arrival-Date: %s", 80467963Seric arpadate(ctime(&e->e_parent->e_ctime))); 80567963Seric putline(buf, mci); 80667963Seric 80767880Seric /* 80867880Seric ** Output per-address information. 80967880Seric */ 81067880Seric 81167880Seric for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) 81267880Seric { 81367880Seric register ADDRESS *r; 81467880Seric 81567880Seric if (!bitset(QBADADDR|QREPORT|QRELAYED, q->q_flags)) 81667880Seric continue; 81767880Seric putline("", mci); 81867880Seric 81967998Seric /* Recipient: -- use name of alias */ 82067998Seric r = q; 82167998Seric if (r->q_alias != NULL) 82267998Seric r = r->q_alias; 82367998Seric p = r->q_user; 82467998Seric if (strchr(p, '@') == NULL) 82567998Seric (void) sprintf(buf, "Recipient: %s@%s", 82667998Seric p, MyHostName); 82767998Seric else 82867998Seric (void) sprintf(buf, "Recipient: %s", 82967998Seric p); 83067880Seric putline(buf, mci); 83167880Seric 83267880Seric /* Action: -- what happened? */ 83367880Seric if (bitset(QBADADDR, q->q_flags)) 83467880Seric putline("Action: failed", mci); 83567880Seric else if (bitset(QQUEUEUP, q->q_flags)) 83667880Seric putline("Action: delayed", mci); 83767880Seric else if (bitset(QRELAYED, q->q_flags)) 83867880Seric putline("Action: relayed", mci); 83967880Seric else 84067880Seric putline("Action: delivered", mci); 84167880Seric 84267880Seric /* Status: -- what _really_ happened? */ 84367880Seric strcpy(buf, "Status: "); 84467998Seric if (q->q_status == NULL) 84567998Seric q->q_status = q->q_fstatus; 84667880Seric if (q->q_status != NULL) 84767880Seric strcat(buf, q->q_status); 84867880Seric else if (bitset(QBADADDR, q->q_flags)) 84967880Seric strcat(buf, "500"); 85067880Seric else if (bitset(QQUEUEUP, q->q_flags)) 85167880Seric strcat(buf, "400"); 85267880Seric else if (bitset(QRELAYED, q->q_flags)) 85367880Seric strcat(buf, "601"); 85467880Seric else 85567880Seric strcat(buf, "200"); 85667880Seric putline(buf, mci); 85767880Seric 85867880Seric /* Date: -- fine granularity */ 85967880Seric if (q->q_statdate == (time_t) 0L) 86067880Seric q->q_statdate = curtime(); 86167880Seric (void) sprintf(buf, "Date: %s", 86267880Seric arpadate(ctime(&q->q_statdate))); 86367880Seric putline(buf, mci); 86467880Seric 86567880Seric /* Final-Log-Id: -- why isn't this per-message? */ 86667880Seric (void) sprintf(buf, "Final-Log-Id: %s", e->e_id); 86767880Seric putline(buf, mci); 86867880Seric 86967963Seric /* Expiry-Date: -- for delayed messages only */ 87067963Seric if (bitset(QQUEUEUP, q->q_flags) && 87167963Seric !bitset(QBADADDR, q->q_flags)) 87267963Seric { 87367963Seric time_t xdate; 87467963Seric 87567963Seric xdate = e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass]; 87667963Seric sprintf(buf, "Expiry-Date: %s", 87767963Seric arpadate(ctime(&xdate))); 87867963Seric putline(buf, mci); 87967963Seric } 88067963Seric 88167990Seric /* Original-Recipient: -- passed from on high */ 88267880Seric if (q->q_orcpt != NULL) 88367880Seric { 88467990Seric (void) sprintf(buf, "Original-Recipient: %s", 88567880Seric q->q_orcpt); 88667880Seric putline(buf, mci); 88767880Seric } 88867880Seric 88967998Seric /* Final-Recipient: -- the name from the RCPT command */ 89067998Seric for (r = q; r->q_alias != NULL; r = r->q_alias) 89167998Seric continue; 89268003Seric if (strchr(r->q_user, '@') == NULL) 89368003Seric (void) sprintf(buf, "Final-Recipient: %s@%s", 89468003Seric r->q_user, MyHostName); 89568003Seric else 89668003Seric (void) sprintf(buf, "Final-Recipient: %s", 89768003Seric r->q_user); 89867998Seric putline(buf, mci); 89967880Seric 90067880Seric /* Final-Status: -- same as Status? XXX */ 90167998Seric if (q->q_fstatus != NULL && q->q_fstatus != q->q_status) 90267990Seric { 90367990Seric (void) sprintf(buf, "Final-Status: %s", 90467990Seric q->q_fstatus); 90567990Seric putline(buf, mci); 90667990Seric } 90767880Seric 90867996Seric /* Remote-MTS-Type: -- depends on mailer */ 90967990Seric if (q->q_mailer->m_mtstype != NULL) 91067990Seric { 91167990Seric (void) sprintf(buf, "Remote-MTS-Type: %s", 91267990Seric q->q_mailer->m_mtstype); 91367990Seric putline(buf, mci); 91467990Seric } 91567880Seric 91667880Seric /* Remote-MTA: -- who was I talking to? */ 91767880Seric if (q->q_statmta != NULL) 91867880Seric { 91967880Seric (void) sprintf(buf, "Remote-MTA: %s", 92067880Seric q->q_statmta); 92167880Seric putline(buf, mci); 92267880Seric } 92367998Seric else if (q->q_host != NULL) 92467998Seric { 92567998Seric (void) sprintf(buf, "Remote-MTA: %s", 92667998Seric q->q_host); 92767998Seric putline(buf, mci); 92867998Seric } 92967880Seric 93067998Seric /* Remote-Recipient: -- recipient passed to far end */ 93167998Seric if (strcmp(q->q_user, r->q_paddr) != 0) 93267990Seric { 93367990Seric (void) sprintf(buf, "Remote-Recipient: %s", 93467990Seric q->q_user); 93567990Seric putline(buf, mci); 93667990Seric } 93767880Seric 93867990Seric /* Remote-Status: -- return code from remote mailer */ 93967990Seric if (q->q_rstatus != NULL) 94067990Seric { 94167990Seric (void) sprintf(buf, "Remote-Status: %s", 94267990Seric q->q_rstatus); 94367990Seric putline(buf, mci); 94467990Seric } 94567880Seric } 94667880Seric } 94768028Seric #endif 94867880Seric 94967880Seric /* 9504318Seric ** Output text of original message 9514318Seric */ 9524318Seric 95367880Seric if (bitset(EF_NORETURN, e->e_parent->e_flags)) 95458665Seric SendBody = FALSE; 95567937Seric if (!SendBody && e->e_msgboundary != NULL) 95667937Seric pflags |= PF_DELETEMIMEHDRS; 95765870Seric putline("", mci); 95858680Seric if (e->e_parent->e_df != NULL) 9594199Seric { 96067880Seric if (e->e_msgboundary == NULL) 96167880Seric { 96267880Seric if (SendBody) 96367880Seric putline(" ----- Original message follows -----\n", mci); 96467880Seric else 96567880Seric putline(" ----- Message header follows -----\n", mci); 96667880Seric (void) fflush(mci->mci_out); 96767880Seric } 9685984Seric else 9695984Seric { 97059730Seric (void) sprintf(buf, "--%s", e->e_msgboundary); 97165870Seric putline(buf, mci); 97265870Seric putline("Content-Type: message/rfc822", mci); 9735984Seric } 97467981Seric putline("", mci); 97567936Seric putheader(mci, e->e_parent->e_header, e->e_parent, pflags); 97659730Seric if (SendBody) 97767936Seric putbody(mci, e->e_parent, e->e_msgboundary, pflags); 97859987Seric else 97967546Seric { 98067546Seric putline("", mci); 98165870Seric putline(" ----- Message body suppressed -----", mci); 98267546Seric } 9834199Seric } 9844199Seric else 98510170Seric { 98665870Seric putline(" ----- No message was collected -----\n", mci); 98710170Seric } 9884318Seric 98960010Seric if (e->e_msgboundary != NULL) 99060010Seric { 99165870Seric putline("", mci); 99260010Seric (void) sprintf(buf, "--%s--", e->e_msgboundary); 99365870Seric putline(buf, mci); 99460010Seric } 99565870Seric putline("", mci); 99659730Seric 9974318Seric /* 9984318Seric ** Cleanup and exit 9994318Seric */ 10004318Seric 1001297Seric if (errno != 0) 10026978Seric syserr("errbody: I/O error"); 1003297Seric } 100458144Seric /* 100558144Seric ** PRUNEROUTE -- prune an RFC-822 source route 100658144Seric ** 100758144Seric ** Trims down a source route to the last internet-registered hop. 100858144Seric ** This is encouraged by RFC 1123 section 5.3.3. 100958144Seric ** 101058144Seric ** Parameters: 101158144Seric ** addr -- the address 101258144Seric ** 101358144Seric ** Returns: 101458144Seric ** TRUE -- address was modified 101558144Seric ** FALSE -- address could not be pruned 101658144Seric ** 101758144Seric ** Side Effects: 101858144Seric ** modifies addr in-place 101958144Seric */ 102058144Seric 102158144Seric pruneroute(addr) 102258144Seric char *addr; 102358144Seric { 102466334Seric #if NAMED_BIND 102558144Seric char *start, *at, *comma; 102658144Seric char c; 102758144Seric int rcode; 102858144Seric char hostbuf[BUFSIZ]; 102958144Seric char *mxhosts[MAXMXHOSTS + 1]; 103058144Seric 103158144Seric /* check to see if this is really a route-addr */ 103258144Seric if (*addr != '<' || addr[1] != '@' || addr[strlen(addr) - 1] != '>') 103358144Seric return FALSE; 103458144Seric start = strchr(addr, ':'); 103558144Seric at = strrchr(addr, '@'); 103658144Seric if (start == NULL || at == NULL || at < start) 103758144Seric return FALSE; 103858144Seric 103958144Seric /* slice off the angle brackets */ 104058144Seric strcpy(hostbuf, at + 1); 104158144Seric hostbuf[strlen(hostbuf) - 1] = '\0'; 104258144Seric 104358144Seric while (start) 104458144Seric { 104559273Seric if (getmxrr(hostbuf, mxhosts, FALSE, &rcode) > 0) 104658144Seric { 104758144Seric strcpy(addr + 1, start + 1); 104858144Seric return TRUE; 104958144Seric } 105058144Seric c = *start; 105158144Seric *start = '\0'; 105258144Seric comma = strrchr(addr, ','); 105358144Seric if (comma && comma[1] == '@') 105458144Seric strcpy(hostbuf, comma + 2); 105558144Seric else 105658144Seric comma = 0; 105758144Seric *start = c; 105858144Seric start = comma; 105958144Seric } 106058144Seric #endif 106158144Seric return FALSE; 106258144Seric } 1063