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-rw-r--r--src/savemail.c1486
1 files changed, 0 insertions, 1486 deletions
diff --git a/src/savemail.c b/src/savemail.c
deleted file mode 100644
index 6a18ee6..0000000
--- a/src/savemail.c
+++ /dev/null
@@ -1,1486 +0,0 @@
-/*
- * Copyright (c) 1998 Sendmail, Inc. All rights reserved.
- * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
- * Copyright (c) 1988, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * By using this file, you agree to the terms and conditions set
- * forth in the LICENSE file which can be found at the top level of
- * the sendmail distribution.
- *
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)savemail.c 8.140 (Berkeley) 1/18/1999";
-#endif /* not lint */
-
-# include "sendmail.h"
-
-/*
-** SAVEMAIL -- Save mail on error
-**
-** If mailing back errors, mail it back to the originator
-** together with an error message; otherwise, just put it in
-** dead.letter in the user's home directory (if he exists on
-** this machine).
-**
-** Parameters:
-** e -- the envelope containing the message in error.
-** sendbody -- if TRUE, also send back the body of the
-** message; otherwise just send the header.
-**
-** Returns:
-** none
-**
-** Side Effects:
-** Saves the letter, by writing or mailing it back to the
-** sender, or by putting it in dead.letter in her home
-** directory.
-*/
-
-/* defines for state machine */
-# define ESM_REPORT 0 /* report to sender's terminal */
-# define ESM_MAIL 1 /* mail back to sender */
-# define ESM_QUIET 2 /* messages have already been returned */
-# define ESM_DEADLETTER 3 /* save in ~/dead.letter */
-# define ESM_POSTMASTER 4 /* return to postmaster */
-# define ESM_USRTMP 5 /* save in /usr/tmp/dead.letter */
-# define ESM_PANIC 6 /* leave the locked queue/transcript files */
-# define ESM_DONE 7 /* the message is successfully delivered */
-
-
-void
-savemail(e, sendbody)
- register ENVELOPE *e;
- bool sendbody;
-{
- register struct passwd *pw;
- register FILE *fp;
- int state;
- auto ADDRESS *q = NULL;
- register char *p;
- MCI mcibuf;
- int flags;
- char buf[MAXLINE+1];
- extern char *ttypath __P((void));
- extern bool writable __P((char *, ADDRESS *, int));
-
- if (tTd(6, 1))
- {
- printf("\nsavemail, errormode = %c, id = %s, ExitStat = %d\n e_from=",
- e->e_errormode, e->e_id == NULL ? "NONE" : e->e_id,
- ExitStat);
- printaddr(&e->e_from, FALSE);
- }
-
- if (e->e_id == NULL)
- {
- /* can't return a message with no id */
- return;
- }
-
- /*
- ** In the unhappy event we don't know who to return the mail
- ** to, make someone up.
- */
-
- if (e->e_from.q_paddr == NULL)
- {
- e->e_sender = "Postmaster";
- if (parseaddr(e->e_sender, &e->e_from,
- RF_COPYPARSE|RF_SENDERADDR, '\0', NULL, e) == NULL)
- {
- syserr("553 Cannot parse Postmaster!");
- finis(TRUE, EX_SOFTWARE);
- }
- }
- e->e_to = NULL;
-
- /*
- ** Basic state machine.
- **
- ** This machine runs through the following states:
- **
- ** ESM_QUIET Errors have already been printed iff the
- ** sender is local.
- ** ESM_REPORT Report directly to the sender's terminal.
- ** ESM_MAIL Mail response to the sender.
- ** ESM_DEADLETTER Save response in ~/dead.letter.
- ** ESM_POSTMASTER Mail response to the postmaster.
- ** ESM_PANIC Save response anywhere possible.
- */
-
- /* determine starting state */
- switch (e->e_errormode)
- {
- case EM_WRITE:
- state = ESM_REPORT;
- break;
-
- case EM_BERKNET:
- case EM_MAIL:
- state = ESM_MAIL;
- break;
-
- case EM_PRINT:
- case '\0':
- state = ESM_QUIET;
- break;
-
- case EM_QUIET:
- /* no need to return anything at all */
- return;
-
- default:
- syserr("554 savemail: bogus errormode x%x\n", e->e_errormode);
- state = ESM_MAIL;
- break;
- }
-
- /* if this is already an error response, send to postmaster */
- if (bitset(EF_RESPONSE, e->e_flags))
- {
- if (e->e_parent != NULL &&
- bitset(EF_RESPONSE, e->e_parent->e_flags))
- {
- /* got an error sending a response -- can it */
- return;
- }
- state = ESM_POSTMASTER;
- }
-
- while (state != ESM_DONE)
- {
- if (tTd(6, 5))
- printf(" state %d\n", state);
-
- switch (state)
- {
- case ESM_QUIET:
- if (bitnset(M_LOCALMAILER, e->e_from.q_mailer->m_flags))
- state = ESM_DEADLETTER;
- else
- state = ESM_MAIL;
- break;
-
- case ESM_REPORT:
-
- /*
- ** If the user is still logged in on the same terminal,
- ** then write the error messages back to hir (sic).
- */
-
- p = ttypath();
- if (p == NULL || freopen(p, "w", stdout) == NULL)
- {
- state = ESM_MAIL;
- break;
- }
-
- expand("\201n", buf, sizeof buf, e);
- printf("\r\nMessage from %s...\r\n", buf);
- printf("Errors occurred while sending mail.\r\n");
- if (e->e_xfp != NULL)
- {
- (void) fflush(e->e_xfp);
- fp = fopen(queuename(e, 'x'), "r");
- }
- else
- fp = NULL;
- if (fp == NULL)
- {
- syserr("Cannot open %s", queuename(e, 'x'));
- printf("Transcript of session is unavailable.\r\n");
- }
- else
- {
- printf("Transcript follows:\r\n");
- while (fgets(buf, sizeof buf, fp) != NULL &&
- !ferror(stdout))
- fputs(buf, stdout);
- (void) xfclose(fp, "savemail transcript", e->e_id);
- }
- printf("Original message will be saved in dead.letter.\r\n");
- state = ESM_DEADLETTER;
- break;
-
- case ESM_MAIL:
- /*
- ** If mailing back, do it.
- ** Throw away all further output. Don't alias,
- ** since this could cause loops, e.g., if joe
- ** mails to joe@x, and for some reason the network
- ** for @x is down, then the response gets sent to
- ** joe@x, which gives a response, etc. Also force
- ** the mail to be delivered even if a version of
- ** it has already been sent to the sender.
- **
- ** If this is a configuration or local software
- ** error, send to the local postmaster as well,
- ** since the originator can't do anything
- ** about it anyway. Note that this is a full
- ** copy of the message (intentionally) so that
- ** the Postmaster can forward things along.
- */
-
- if (ExitStat == EX_CONFIG || ExitStat == EX_SOFTWARE)
- {
- (void) sendtolist("postmaster",
- NULLADDR, &e->e_errorqueue, 0, e);
- }
- if (!emptyaddr(&e->e_from))
- {
- char from[TOBUFSIZE];
- extern bool pruneroute __P((char *));
-
- if (strlen(e->e_from.q_paddr) + 1 > sizeof from)
- {
- state = ESM_POSTMASTER;
- break;
- }
- strcpy(from, e->e_from.q_paddr);
-
- if (!DontPruneRoutes && pruneroute(from))
- {
- ADDRESS *a;
-
- for (a = e->e_errorqueue; a != NULL;
- a = a->q_next)
- {
- if (sameaddr(a, &e->e_from))
- a->q_flags |= QDONTSEND;
- }
- }
- (void) sendtolist(from, NULLADDR,
- &e->e_errorqueue, 0, e);
- }
-
- /*
- ** Deliver a non-delivery report to the
- ** Postmaster-designate (not necessarily
- ** Postmaster). This does not include the
- ** body of the message, for privacy reasons.
- ** You really shouldn't need this.
- */
-
- e->e_flags |= EF_PM_NOTIFY;
-
- /* check to see if there are any good addresses */
- for (q = e->e_errorqueue; q != NULL; q = q->q_next)
- if (!bitset(QBADADDR|QDONTSEND, q->q_flags))
- break;
- if (q == NULL)
- {
- /* this is an error-error */
- state = ESM_POSTMASTER;
- break;
- }
- if (returntosender(e->e_message, e->e_errorqueue,
- sendbody ? RTSF_SEND_BODY
- : RTSF_NO_BODY,
- e) == 0)
- {
- state = ESM_DONE;
- break;
- }
-
- /* didn't work -- return to postmaster */
- state = ESM_POSTMASTER;
- break;
-
- case ESM_POSTMASTER:
- /*
- ** Similar to previous case, but to system postmaster.
- */
-
- q = NULL;
- if (sendtolist(DoubleBounceAddr,
- NULLADDR, &q, 0, e) <= 0)
- {
- syserr("553 cannot parse %s!", DoubleBounceAddr);
- ExitStat = EX_SOFTWARE;
- state = ESM_USRTMP;
- break;
- }
- flags = RTSF_PM_BOUNCE;
- if (sendbody)
- flags |= RTSF_SEND_BODY;
- if (returntosender(e->e_message, q, flags, e) == 0)
- {
- state = ESM_DONE;
- break;
- }
-
- /* didn't work -- last resort */
- state = ESM_USRTMP;
- break;
-
- case ESM_DEADLETTER:
- /*
- ** Save the message in dead.letter.
- ** If we weren't mailing back, and the user is
- ** local, we should save the message in
- ** ~/dead.letter so that the poor person doesn't
- ** have to type it over again -- and we all know
- ** what poor typists UNIX users are.
- */
-
- p = NULL;
- if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags))
- {
- if (e->e_from.q_home != NULL)
- p = e->e_from.q_home;
- else if ((pw = sm_getpwnam(e->e_from.q_user)) != NULL)
- p = pw->pw_dir;
- }
- if (p == NULL || e->e_dfp == NULL)
- {
- /* no local directory or no data file */
- state = ESM_MAIL;
- break;
- }
-
- /* we have a home directory; write dead.letter */
- define('z', p, e);
- expand("\201z/dead.letter", buf, sizeof buf, e);
- flags = SFF_CREAT|SFF_REGONLY|SFF_RUNASREALUID;
- if (RealUid == 0)
- flags |= SFF_ROOTOK;
- e->e_to = buf;
- if (mailfile(buf, FileMailer, NULL, flags, e) == EX_OK)
- {
- int oldverb = Verbose;
-
- Verbose = 1;
- message("Saved message in %s", buf);
- Verbose = oldverb;
- state = ESM_DONE;
- break;
- }
- state = ESM_MAIL;
- break;
-
- case ESM_USRTMP:
- /*
- ** Log the mail in /usr/tmp/dead.letter.
- */
-
- if (e->e_class < 0)
- {
- state = ESM_DONE;
- break;
- }
-
- if ((SafeFileEnv != NULL && SafeFileEnv[0] != '\0') ||
- DeadLetterDrop == NULL || DeadLetterDrop[0] == '\0')
- {
- state = ESM_PANIC;
- break;
- }
-
- flags = SFF_CREAT|SFF_REGONLY|SFF_ROOTOK|SFF_OPENASROOT|SFF_MUSTOWN;
- if (!writable(DeadLetterDrop, NULL, flags) ||
- (fp = safefopen(DeadLetterDrop, O_WRONLY|O_APPEND,
- FileMode, flags)) == NULL)
- {
- state = ESM_PANIC;
- break;
- }
-
- bzero(&mcibuf, sizeof mcibuf);
- mcibuf.mci_out = fp;
- mcibuf.mci_mailer = FileMailer;
- if (bitnset(M_7BITS, FileMailer->m_flags))
- mcibuf.mci_flags |= MCIF_7BIT;
- mcibuf.mci_contentlen = 0;
-
- putfromline(&mcibuf, e);
- (*e->e_puthdr)(&mcibuf, e->e_header, e, M87F_OUTER);
- (*e->e_putbody)(&mcibuf, e, NULL);
- putline("\n", &mcibuf);
- (void) fflush(fp);
- if (ferror(fp))
- state = ESM_PANIC;
- else
- {
- int oldverb = Verbose;
-
- Verbose = 1;
- message("Saved message in %s", DeadLetterDrop);
- Verbose = oldverb;
- if (LogLevel > 3)
- sm_syslog(LOG_NOTICE, e->e_id,
- "Saved message in %s",
- DeadLetterDrop);
- state = ESM_DONE;
- }
- (void) xfclose(fp, "savemail", DeadLetterDrop);
- break;
-
- default:
- syserr("554 savemail: unknown state %d", state);
-
- /* fall through ... */
-
- case ESM_PANIC:
- /* leave the locked queue & transcript files around */
- loseqfile(e, "savemail panic");
- syserr("!554 savemail: cannot save rejected email anywhere");
- }
- }
-}
- /*
-** RETURNTOSENDER -- return a message to the sender with an error.
-**
-** Parameters:
-** msg -- the explanatory message.
-** returnq -- the queue of people to send the message to.
-** flags -- flags tweaking the operation:
-** RTSF_SENDBODY -- include body of message (otherwise
-** just send the header).
-** RTSF_PMBOUNCE -- this is a postmaster bounce.
-** e -- the current envelope.
-**
-** Returns:
-** zero -- if everything went ok.
-** else -- some error.
-**
-** Side Effects:
-** Returns the current message to the sender via
-** mail.
-*/
-
-#define MAXRETURNS 6 /* max depth of returning messages */
-#define ERRORFUDGE 100 /* nominal size of error message text */
-
-int
-returntosender(msg, returnq, flags, e)
- char *msg;
- ADDRESS *returnq;
- int flags;
- register ENVELOPE *e;
-{
- register ENVELOPE *ee;
- ENVELOPE *oldcur = CurEnv;
- ENVELOPE errenvelope;
- static int returndepth = 0;
- register ADDRESS *q;
- char *p;
- char buf[MAXNAME + 1];
- extern void errbody __P((MCI *, ENVELOPE *, char *));
-
- if (returnq == NULL)
- return (-1);
-
- if (msg == NULL)
- msg = "Unable to deliver mail";
-
- if (tTd(6, 1))
- {
- printf("\n*** Return To Sender: msg=\"%s\", depth=%d, e=%lx, returnq=",
- msg, returndepth, (u_long) e);
- printaddr(returnq, TRUE);
- if (tTd(6, 20))
- {
- printf("Sendq=");
- printaddr(e->e_sendqueue, TRUE);
- }
- }
-
- if (++returndepth >= MAXRETURNS)
- {
- if (returndepth != MAXRETURNS)
- syserr("554 returntosender: infinite recursion on %s", returnq->q_paddr);
- /* don't "unrecurse" and fake a clean exit */
- /* returndepth--; */
- return (0);
- }
-
- define('g', e->e_from.q_paddr, e);
- define('u', NULL, e);
-
- /* initialize error envelope */
- ee = newenvelope(&errenvelope, e);
- define('a', "\201b", ee);
- define('r', "internal", ee);
- define('s', "localhost", ee);
- define('_', "localhost", ee);
- ee->e_puthdr = putheader;
- ee->e_putbody = errbody;
- ee->e_flags |= EF_RESPONSE|EF_METOO;
- if (!bitset(EF_OLDSTYLE, e->e_flags))
- ee->e_flags &= ~EF_OLDSTYLE;
- ee->e_sendqueue = returnq;
- ee->e_msgsize = ERRORFUDGE;
- if (bitset(RTSF_SEND_BODY, flags))
- ee->e_msgsize += e->e_msgsize;
- else
- ee->e_flags |= EF_NO_BODY_RETN;
- initsys(ee);
- for (q = returnq; q != NULL; q = q->q_next)
- {
- if (bitset(QBADADDR, q->q_flags))
- continue;
-
- q->q_flags &= ~(QHASNOTIFY|Q_PINGFLAGS);
- q->q_flags |= QPINGONFAILURE;
-
- if (!bitset(QDONTSEND, q->q_flags))
- ee->e_nrcpts++;
-
- if (q->q_alias == NULL)
- addheader("To", q->q_paddr, &ee->e_header);
- }
-
- if (LogLevel > 5)
- {
- if (bitset(EF_RESPONSE|EF_WARNING, e->e_flags))
- p = "return to sender";
- else if (bitset(RTSF_PM_BOUNCE, flags))
- p = "postmaster notify";
- else
- p = "DSN";
- sm_syslog(LOG_INFO, e->e_id,
- "%s: %s: %s",
- ee->e_id, p, shortenstring(msg, MAXSHORTSTR));
- }
-
- if (SendMIMEErrors)
- {
- addheader("MIME-Version", "1.0", &ee->e_header);
-
- (void) snprintf(buf, sizeof buf, "%s.%ld/%.100s",
- ee->e_id, curtime(), MyHostName);
- ee->e_msgboundary = newstr(buf);
- (void) snprintf(buf, sizeof buf,
-#if DSN
- "multipart/report; report-type=delivery-status;\n\tboundary=\"%s\"",
-#else
- "multipart/mixed; boundary=\"%s\"",
-#endif
- ee->e_msgboundary);
- addheader("Content-Type", buf, &ee->e_header);
-
- p = hvalue("Content-Transfer-Encoding", e->e_header);
- if (p != NULL && strcasecmp(p, "binary") != 0)
- p = NULL;
- if (p == NULL && bitset(EF_HAS8BIT, e->e_flags))
- p = "8bit";
- if (p != NULL)
- addheader("Content-Transfer-Encoding", p, &ee->e_header);
- }
- if (strncmp(msg, "Warning:", 8) == 0)
- {
- addheader("Subject", msg, &ee->e_header);
- p = "warning-timeout";
- }
- else if (strncmp(msg, "Postmaster warning:", 19) == 0)
- {
- addheader("Subject", msg, &ee->e_header);
- p = "postmaster-warning";
- }
- else if (strcmp(msg, "Return receipt") == 0)
- {
- addheader("Subject", msg, &ee->e_header);
- p = "return-receipt";
- }
- else if (bitset(RTSF_PM_BOUNCE, flags))
- {
- snprintf(buf, sizeof buf, "Postmaster notify: %.*s",
- sizeof buf - 20, msg);
- addheader("Subject", buf, &ee->e_header);
- p = "postmaster-notification";
- }
- else
- {
- snprintf(buf, sizeof buf, "Returned mail: %.*s",
- sizeof buf - 20, msg);
- addheader("Subject", buf, &ee->e_header);
- p = "failure";
- }
- (void) snprintf(buf, sizeof buf, "auto-generated (%s)", p);
- addheader("Auto-Submitted", buf, &ee->e_header);
-
- /* fake up an address header for the from person */
- expand("\201n", buf, sizeof buf, e);
- if (parseaddr(buf, &ee->e_from, RF_COPYALL|RF_SENDERADDR, '\0', NULL, e) == NULL)
- {
- syserr("553 Can't parse myself!");
- ExitStat = EX_SOFTWARE;
- returndepth--;
- return (-1);
- }
- ee->e_from.q_flags &= ~(QHASNOTIFY|Q_PINGFLAGS);
- ee->e_from.q_flags |= QPINGONFAILURE;
- ee->e_sender = ee->e_from.q_paddr;
-
- /* push state into submessage */
- CurEnv = ee;
- define('f', "\201n", ee);
- define('x', "Mail Delivery Subsystem", ee);
- eatheader(ee, TRUE);
-
- /* mark statistics */
- markstats(ee, NULLADDR, FALSE);
-
- /* actually deliver the error message */
- sendall(ee, SM_DELIVER);
-
- /* restore state */
- dropenvelope(ee, TRUE);
- CurEnv = oldcur;
- returndepth--;
-
- /* check for delivery errors */
- if (ee->e_parent == NULL || !bitset(EF_RESPONSE, ee->e_parent->e_flags))
- return 0;
- for (q = ee->e_sendqueue; q != NULL; q = q->q_next)
- {
- if (bitset(QQUEUEUP|QSENT, q->q_flags))
- return 0;
- }
- return -1;
-}
- /*
-** ERRBODY -- output the body of an error message.
-**
-** Typically this is a copy of the transcript plus a copy of the
-** original offending message.
-**
-** Parameters:
-** mci -- the mailer connection information.
-** e -- the envelope we are working in.
-** separator -- any possible MIME separator.
-**
-** Returns:
-** none
-**
-** Side Effects:
-** Outputs the body of an error message.
-*/
-
-void
-errbody(mci, e, separator)
- register MCI *mci;
- register ENVELOPE *e;
- char *separator;
-{
- register FILE *xfile;
- char *p;
- register ADDRESS *q = NULL;
- bool printheader;
- bool sendbody;
- bool pm_notify;
- char buf[MAXLINE];
-
- if (bitset(MCIF_INHEADER, mci->mci_flags))
- {
- putline("", mci);
- mci->mci_flags &= ~MCIF_INHEADER;
- }
- if (e->e_parent == NULL)
- {
- syserr("errbody: null parent");
- putline(" ----- Original message lost -----\n", mci);
- return;
- }
-
- /*
- ** Output MIME header.
- */
-
- if (e->e_msgboundary != NULL)
- {
- putline("This is a MIME-encapsulated message", mci);
- putline("", mci);
- (void) snprintf(buf, sizeof buf, "--%s", e->e_msgboundary);
- putline(buf, mci);
- putline("", mci);
- }
-
- /*
- ** Output introductory information.
- */
-
- pm_notify = FALSE;
- p = hvalue("subject", e->e_header);
- if (p != NULL && strncmp(p, "Postmaster ", 11) == 0)
- pm_notify = TRUE;
- else
- {
- for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next)
- if (bitset(QBADADDR, q->q_flags))
- break;
- }
- if (!pm_notify && q == NULL &&
- !bitset(EF_FATALERRS|EF_SENDRECEIPT, e->e_parent->e_flags))
- {
- putline(" **********************************************",
- mci);
- putline(" ** THIS IS A WARNING MESSAGE ONLY **",
- mci);
- putline(" ** YOU DO NOT NEED TO RESEND YOUR MESSAGE **",
- mci);
- putline(" **********************************************",
- mci);
- putline("", mci);
- }
- snprintf(buf, sizeof buf, "The original message was received at %s",
- arpadate(ctime(&e->e_parent->e_ctime)));
- putline(buf, mci);
- expand("from \201_", buf, sizeof buf, e->e_parent);
- putline(buf, mci);
- putline("", mci);
-
- /*
- ** Output error message header (if specified and available).
- */
-
- if (ErrMsgFile != NULL && !bitset(EF_SENDRECEIPT, e->e_parent->e_flags))
- {
- if (*ErrMsgFile == '/')
- {
- int sff = SFF_ROOTOK|SFF_REGONLY;
-
- if (DontLockReadFiles)
- sff |= SFF_NOLOCK;
- if (!bitset(DBS_ERRORHEADERINUNSAFEDIRPATH, DontBlameSendmail))
- sff |= SFF_SAFEDIRPATH;
- xfile = safefopen(ErrMsgFile, O_RDONLY, 0444, sff);
- if (xfile != NULL)
- {
- while (fgets(buf, sizeof buf, xfile) != NULL)
- {
- extern void translate_dollars __P((char *));
-
- translate_dollars(buf);
- expand(buf, buf, sizeof buf, e);
- putline(buf, mci);
- }
- (void) fclose(xfile);
- putline("\n", mci);
- }
- }
- else
- {
- expand(ErrMsgFile, buf, sizeof buf, e);
- putline(buf, mci);
- putline("", mci);
- }
- }
-
- /*
- ** Output message introduction
- */
-
- printheader = TRUE;
- for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next)
- {
- if (!bitset(QBADADDR, q->q_flags) ||
- !bitset(QPINGONFAILURE, q->q_flags))
- continue;
-
- if (printheader)
- {
- putline(" ----- The following addresses had permanent fatal errors -----",
- mci);
- printheader = FALSE;
- }
-
- snprintf(buf, sizeof buf, "%s",
- shortenstring(q->q_paddr, MAXSHORTSTR));
- putline(buf, mci);
- if (q->q_alias != NULL)
- {
- snprintf(buf, sizeof buf, " (expanded from: %s)",
- shortenstring(q->q_alias->q_paddr, MAXSHORTSTR));
- putline(buf, mci);
- }
- }
- if (!printheader)
- putline("", mci);
-
- printheader = TRUE;
- for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next)
- {
- if (bitset(QBADADDR, q->q_flags) ||
- !bitset(QPRIMARY, q->q_flags) ||
- !bitset(QDELAYED, q->q_flags))
- continue;
-
- if (printheader)
- {
- putline(" ----- The following addresses had transient non-fatal errors -----",
- mci);
- printheader = FALSE;
- }
-
- snprintf(buf, sizeof buf, "%s",
- shortenstring(q->q_paddr, MAXSHORTSTR));
- putline(buf, mci);
- if (q->q_alias != NULL)
- {
- snprintf(buf, sizeof buf, " (expanded from: %s)",
- shortenstring(q->q_alias->q_paddr, MAXSHORTSTR));
- putline(buf, mci);
- }
- }
- if (!printheader)
- putline("", mci);
-
- printheader = TRUE;
- for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next)
- {
- if (bitset(QBADADDR, q->q_flags) ||
- !bitset(QPRIMARY, q->q_flags) ||
- bitset(QDELAYED, q->q_flags))
- continue;
- else if (!bitset(QPINGONSUCCESS, q->q_flags))
- continue;
- else if (bitset(QRELAYED, q->q_flags))
- p = "relayed to non-DSN-aware mailer";
- else if (bitset(QDELIVERED, q->q_flags))
- {
- if (bitset(QEXPANDED, q->q_flags))
- p = "successfully delivered to mailing list";
- else
- p = "successfully delivered to mailbox";
- }
- else if (bitset(QEXPANDED, q->q_flags))
- p = "expanded by alias";
- else
- continue;
-
- if (printheader)
- {
- putline(" ----- The following addresses had successful delivery notifications -----",
- mci);
- printheader = FALSE;
- }
-
- snprintf(buf, sizeof buf, "%s (%s)",
- shortenstring(q->q_paddr, MAXSHORTSTR), p);
- putline(buf, mci);
- if (q->q_alias != NULL)
- {
- snprintf(buf, sizeof buf, " (expanded from: %s)",
- shortenstring(q->q_alias->q_paddr, MAXSHORTSTR));
- putline(buf, mci);
- }
- }
- if (!printheader)
- putline("", mci);
-
- /*
- ** Output transcript of errors
- */
-
- (void) fflush(stdout);
- p = queuename(e->e_parent, 'x');
- if ((xfile = fopen(p, "r")) == NULL)
- {
- syserr("Cannot open %s", p);
- putline(" ----- Transcript of session is unavailable -----\n", mci);
- }
- else
- {
- printheader = TRUE;
- if (e->e_xfp != NULL)
- (void) fflush(e->e_xfp);
- while (fgets(buf, sizeof buf, xfile) != NULL)
- {
- if (printheader)
- putline(" ----- Transcript of session follows -----\n", mci);
- printheader = FALSE;
- putline(buf, mci);
- }
- (void) xfclose(xfile, "errbody xscript", p);
- }
- errno = 0;
-
-#if DSN
- /*
- ** Output machine-readable version.
- */
-
- if (e->e_msgboundary != NULL)
- {
- putline("", mci);
- (void) snprintf(buf, sizeof buf, "--%s", e->e_msgboundary);
- putline(buf, mci);
- putline("Content-Type: message/delivery-status", mci);
- putline("", mci);
-
- /*
- ** Output per-message information.
- */
-
- /* original envelope id from MAIL FROM: line */
- if (e->e_parent->e_envid != NULL)
- {
- (void) snprintf(buf, sizeof buf, "Original-Envelope-Id: %.800s",
- xuntextify(e->e_parent->e_envid));
- putline(buf, mci);
- }
-
- /* Reporting-MTA: is us (required) */
- (void) snprintf(buf, sizeof buf, "Reporting-MTA: dns; %.800s", MyHostName);
- putline(buf, mci);
-
- /* DSN-Gateway: not relevant since we are not translating */
-
- /* Received-From-MTA: shows where we got this message from */
- if (RealHostName != NULL)
- {
- /* XXX use $s for type? */
- if (e->e_parent->e_from.q_mailer == NULL ||
- (p = e->e_parent->e_from.q_mailer->m_mtatype) == NULL)
- p = "dns";
- (void) snprintf(buf, sizeof buf, "Received-From-MTA: %s; %.800s",
- p, RealHostName);
- putline(buf, mci);
- }
-
- /* Arrival-Date: -- when it arrived here */
- (void) snprintf(buf, sizeof buf, "Arrival-Date: %s",
- arpadate(ctime(&e->e_parent->e_ctime)));
- putline(buf, mci);
-
- /*
- ** Output per-address information.
- */
-
- for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next)
- {
- register ADDRESS *r;
- char *action;
-
- if (bitset(QBADADDR, q->q_flags))
- action = "failed";
- else if (!bitset(QPRIMARY, q->q_flags))
- continue;
- else if (bitset(QDELIVERED, q->q_flags))
- {
- if (bitset(QEXPANDED, q->q_flags))
- action = "delivered (to mailing list)";
- else
- action = "delivered (to mailbox)";
- }
- else if (bitset(QRELAYED, q->q_flags))
- action = "relayed (to non-DSN-aware mailer)";
- else if (bitset(QEXPANDED, q->q_flags))
- action = "expanded (to multi-recipient alias)";
- else if (bitset(QDELAYED, q->q_flags))
- action = "delayed";
- else
- continue;
-
- putline("", mci);
-
- /* Original-Recipient: -- passed from on high */
- if (q->q_orcpt != NULL)
- {
- (void) snprintf(buf, sizeof buf, "Original-Recipient: %.800s",
- q->q_orcpt);
- putline(buf, mci);
- }
-
- /* Final-Recipient: -- the name from the RCPT command */
- p = e->e_parent->e_from.q_mailer->m_addrtype;
- if (p == NULL)
- p = "rfc822";
- for (r = q; r->q_alias != NULL; r = r->q_alias)
- continue;
- if (strchr(r->q_user, '@') != NULL)
- {
- (void) snprintf(buf, sizeof buf,
- "Final-Recipient: %s; %.800s",
- p, r->q_user);
- }
- else if (strchr(r->q_paddr, '@') != NULL)
- {
- (void) snprintf(buf, sizeof buf,
- "Final-Recipient: %s; %.800s",
- p, r->q_paddr);
- }
- else
- {
- (void) snprintf(buf, sizeof buf,
- "Final-Recipient: %s; %.700s@%.100s",
- p, r->q_user, MyHostName);
- }
- putline(buf, mci);
-
- /* X-Actual-Recipient: -- the real problem address */
- if (r != q && q->q_user[0] != '\0')
- {
- if (strchr(q->q_user, '@') == NULL)
- {
- (void) snprintf(buf, sizeof buf,
- "X-Actual-Recipient: %s; %.700s@%.100s",
- p, q->q_user, MyHostName);
- }
- else
- {
- (void) snprintf(buf, sizeof buf,
- "X-Actual-Recipient: %s; %.800s",
- p, q->q_user);
- }
- putline(buf, mci);
- }
-
- /* Action: -- what happened? */
- snprintf(buf, sizeof buf, "Action: %s", action);
- putline(buf, mci);
-
- /* Status: -- what _really_ happened? */
- if (q->q_status != NULL)
- p = q->q_status;
- else if (bitset(QBADADDR, q->q_flags))
- p = "5.0.0";
- else if (bitset(QQUEUEUP, q->q_flags))
- p = "4.0.0";
- else
- p = "2.0.0";
- snprintf(buf, sizeof buf, "Status: %s", p);
- putline(buf, mci);
-
- /* Remote-MTA: -- who was I talking to? */
- if (q->q_statmta != NULL)
- {
- if (q->q_mailer == NULL ||
- (p = q->q_mailer->m_mtatype) == NULL)
- p = "dns";
- (void) snprintf(buf, sizeof buf,
- "Remote-MTA: %s; %.800s",
- p, q->q_statmta);
- p = &buf[strlen(buf) - 1];
- if (*p == '.')
- *p = '\0';
- putline(buf, mci);
- }
-
- /* Diagnostic-Code: -- actual result from other end */
- if (q->q_rstatus != NULL)
- {
- p = q->q_mailer->m_diagtype;
- if (p == NULL)
- p = "smtp";
- (void) snprintf(buf, sizeof buf,
- "Diagnostic-Code: %s; %.800s",
- p, q->q_rstatus);
- putline(buf, mci);
- }
-
- /* Last-Attempt-Date: -- fine granularity */
- if (q->q_statdate == (time_t) 0L)
- q->q_statdate = curtime();
- (void) snprintf(buf, sizeof buf,
- "Last-Attempt-Date: %s",
- arpadate(ctime(&q->q_statdate)));
- putline(buf, mci);
-
- /* Will-Retry-Until: -- for delayed messages only */
- if (bitset(QQUEUEUP, q->q_flags) &&
- !bitset(QBADADDR, q->q_flags))
- {
- time_t xdate;
-
- xdate = e->e_parent->e_ctime +
- TimeOuts.to_q_return[e->e_parent->e_timeoutclass];
- snprintf(buf, sizeof buf,
- "Will-Retry-Until: %s",
- arpadate(ctime(&xdate)));
- putline(buf, mci);
- }
- }
- }
-#endif
-
- /*
- ** Output text of original message
- */
-
- putline("", mci);
- if (bitset(EF_HAS_DF, e->e_parent->e_flags))
- {
- sendbody = !bitset(EF_NO_BODY_RETN, e->e_parent->e_flags) &&
- !bitset(EF_NO_BODY_RETN, e->e_flags);
-
- if (e->e_msgboundary == NULL)
- {
- if (sendbody)
- putline(" ----- Original message follows -----\n", mci);
- else
- putline(" ----- Message header follows -----\n", mci);
- (void) fflush(mci->mci_out);
- }
- else
- {
- (void) snprintf(buf, sizeof buf, "--%s",
- e->e_msgboundary);
-
- putline(buf, mci);
- (void) snprintf(buf, sizeof buf, "Content-Type: %s",
- sendbody ? "message/rfc822"
- : "text/rfc822-headers");
- putline(buf, mci);
-
- p = hvalue("Content-Transfer-Encoding", e->e_parent->e_header);
- if (p != NULL && strcasecmp(p, "binary") != 0)
- p = NULL;
- if (p == NULL && bitset(EF_HAS8BIT, e->e_parent->e_flags))
- p = "8bit";
- if (p != NULL)
- {
- (void) snprintf(buf, sizeof buf, "Content-Transfer-Encoding: %s",
- p);
- putline(buf, mci);
- }
- }
- putline("", mci);
- putheader(mci, e->e_parent->e_header, e->e_parent, M87F_OUTER);
- if (sendbody)
- putbody(mci, e->e_parent, e->e_msgboundary);
- else if (e->e_msgboundary == NULL)
- {
- putline("", mci);
- putline(" ----- Message body suppressed -----", mci);
- }
- }
- else if (e->e_msgboundary == NULL)
- {
- putline(" ----- No message was collected -----\n", mci);
- }
-
- if (e->e_msgboundary != NULL)
- {
- putline("", mci);
- (void) snprintf(buf, sizeof buf, "--%s--", e->e_msgboundary);
- putline(buf, mci);
- }
- putline("", mci);
-
- /*
- ** Cleanup and exit
- */
-
- if (errno != 0)
- syserr("errbody: I/O error");
-}
- /*
-** SMTPTODSN -- convert SMTP to DSN status code
-**
-** Parameters:
-** smtpstat -- the smtp status code (e.g., 550).
-**
-** Returns:
-** The DSN version of the status code.
-*/
-
-char *
-smtptodsn(smtpstat)
- int smtpstat;
-{
- if (smtpstat < 0)
- return "4.4.2";
-
- switch (smtpstat)
- {
- case 450: /* Req mail action not taken: mailbox unavailable */
- return "4.2.0";
-
- case 451: /* Req action aborted: local error in processing */
- return "4.3.0";
-
- case 452: /* Req action not taken: insufficient sys storage */
- return "4.3.1";
-
- case 500: /* Syntax error, command unrecognized */
- return "5.5.2";
-
- case 501: /* Syntax error in parameters or arguments */
- return "5.5.4";
-
- case 502: /* Command not implemented */
- return "5.5.1";
-
- case 503: /* Bad sequence of commands */
- return "5.5.1";
-
- case 504: /* Command parameter not implemented */
- return "5.5.4";
-
- case 550: /* Req mail action not taken: mailbox unavailable */
- return "5.2.0";
-
- case 551: /* User not local; please try <...> */
- return "5.1.6";
-
- case 552: /* Req mail action aborted: exceeded storage alloc */
- return "5.2.2";
-
- case 553: /* Req action not taken: mailbox name not allowed */
- return "5.1.0";
-
- case 554: /* Transaction failed */
- return "5.0.0";
- }
-
- if ((smtpstat / 100) == 2)
- return "2.0.0";
- if ((smtpstat / 100) == 4)
- return "4.0.0";
- return "5.0.0";
-}
- /*
-** XTEXTIFY -- take regular text and turn it into DSN-style xtext
-**
-** Parameters:
-** t -- the text to convert.
-** taboo -- additional characters that must be encoded.
-**
-** Returns:
-** The xtext-ified version of the same string.
-*/
-
-char *
-xtextify(t, taboo)
- register char *t;
- char *taboo;
-{
- register char *p;
- int l;
- int nbogus;
- static char *bp = NULL;
- static int bplen = 0;
-
- if (taboo == NULL)
- taboo = "";
-
- /* figure out how long this xtext will have to be */
- nbogus = l = 0;
- for (p = t; *p != '\0'; p++)
- {
- register int c = (*p & 0xff);
-
- /* ASCII dependence here -- this is the way the spec words it */
- if (c < '!' || c > '~' || c == '+' || c == '\\' || c == '(' ||
- strchr(taboo, c) != NULL)
- nbogus++;
- l++;
- }
- if (nbogus == 0)
- return t;
- l += nbogus * 2 + 1;
-
- /* now allocate space if necessary for the new string */
- if (l > bplen)
- {
- if (bp != NULL)
- free(bp);
- bp = xalloc(l);
- bplen = l;
- }
-
- /* ok, copy the text with byte expansion */
- for (p = bp; *t != '\0'; )
- {
- register int c = (*t++ & 0xff);
-
- /* ASCII dependence here -- this is the way the spec words it */
- if (c < '!' || c > '~' || c == '+' || c == '\\' || c == '(' ||
- strchr(taboo, c) != NULL)
- {
- *p++ = '+';
- *p++ = "0123456789abcdef"[c >> 4];
- *p++ = "0123456789abcdef"[c & 0xf];
- }
- else
- *p++ = c;
- }
- *p = '\0';
- return bp;
-}
- /*
-** XUNTEXTIFY -- take xtext and turn it into plain text
-**
-** Parameters:
-** t -- the xtextified text.
-**
-** Returns:
-** The decoded text. No attempt is made to deal with
-** null strings in the resulting text.
-*/
-
-char *
-xuntextify(t)
- register char *t;
-{
- register char *p;
- int l;
- static char *bp = NULL;
- static int bplen = 0;
-
- /* heuristic -- if no plus sign, just return the input */
- if (strchr(t, '+') == NULL)
- return t;
-
- /* xtext is always longer than decoded text */
- l = strlen(t);
- if (l > bplen)
- {
- if (bp != NULL)
- free(bp);
- bp = xalloc(l);
- bplen = l;
- }
-
- /* ok, copy the text with byte compression */
- for (p = bp; *t != '\0'; t++)
- {
- register int c = *t & 0xff;
-
- if (c != '+')
- {
- *p++ = c;
- continue;
- }
-
- c = *++t & 0xff;
- if (!isascii(c) || !isxdigit(c))
- {
- /* error -- first digit is not hex */
- usrerr("bogus xtext: +%c", c);
- t--;
- continue;
- }
- if (isdigit(c))
- c -= '0';
- else if (isupper(c))
- c -= 'A' - 10;
- else
- c -= 'a' - 10;
- *p = c << 4;
-
- c = *++t & 0xff;
- if (!isascii(c) || !isxdigit(c))
- {
- /* error -- second digit is not hex */
- usrerr("bogus xtext: +%x%c", *p >> 4, c);
- t--;
- continue;
- }
- if (isdigit(c))
- c -= '0';
- else if (isupper(c))
- c -= 'A' - 10;
- else
- c -= 'a' - 10;
- *p++ |= c;
- }
- *p = '\0';
- return bp;
-}
- /*
-** XTEXTOK -- check if a string is legal xtext
-**
-** Xtext is used in Delivery Status Notifications. The spec was
-** taken from RFC 1891, ``SMTP Service Extension for Delivery
-** Status Notifications''.
-**
-** Parameters:
-** s -- the string to check.
-**
-** Returns:
-** TRUE -- if 's' is legal xtext.
-** FALSE -- if it has any illegal characters in it.
-*/
-
-bool
-xtextok(s)
- char *s;
-{
- int c;
-
- while ((c = *s++) != '\0')
- {
- if (c == '+')
- {
- c = *s++;
- if (!isascii(c) || !isxdigit(c))
- return FALSE;
- c = *s++;
- if (!isascii(c) || !isxdigit(c))
- return FALSE;
- }
- else if (c < '!' || c > '~' || c == '=')
- return FALSE;
- }
- return TRUE;
-}
- /*
-** PRUNEROUTE -- prune an RFC-822 source route
-**
-** Trims down a source route to the last internet-registered hop.
-** This is encouraged by RFC 1123 section 5.3.3.
-**
-** Parameters:
-** addr -- the address
-**
-** Returns:
-** TRUE -- address was modified
-** FALSE -- address could not be pruned
-**
-** Side Effects:
-** modifies addr in-place
-*/
-
-bool
-pruneroute(addr)
- char *addr;
-{
-#if NAMED_BIND
- char *start, *at, *comma;
- char c;
- int rcode;
- int i;
- char hostbuf[BUFSIZ];
- char *mxhosts[MAXMXHOSTS + 1];
-
- /* check to see if this is really a route-addr */
- if (*addr != '<' || addr[1] != '@' || addr[strlen(addr) - 1] != '>')
- return FALSE;
- start = strchr(addr, ':');
- at = strrchr(addr, '@');
- if (start == NULL || at == NULL || at < start)
- return FALSE;
-
- /* slice off the angle brackets */
- i = strlen(at + 1);
- if (i >= (SIZE_T) sizeof hostbuf)
- return FALSE;
- strcpy(hostbuf, at + 1);
- hostbuf[i - 1] = '\0';
-
- while (start)
- {
- if (getmxrr(hostbuf, mxhosts, FALSE, &rcode) > 0)
- {
- strcpy(addr + 1, start + 1);
- return TRUE;
- }
- c = *start;
- *start = '\0';
- comma = strrchr(addr, ',');
- if (comma != NULL && comma[1] == '@' &&
- strlen(comma + 2) < (SIZE_T) sizeof hostbuf)
- strcpy(hostbuf, comma + 2);
- else
- comma = NULL;
- *start = c;
- start = comma;
- }
-#endif
- return FALSE;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 15:39:39 +0000