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Diffstat (limited to 'usr.sbin/sendmail/src/usersmtp.c')
-rw-r--r--usr.sbin/sendmail/src/usersmtp.c195
1 files changed, 162 insertions, 33 deletions
diff --git a/usr.sbin/sendmail/src/usersmtp.c b/usr.sbin/sendmail/src/usersmtp.c
index edfe7beb8d53b..97248595532f0 100644
--- a/usr.sbin/sendmail/src/usersmtp.c
+++ b/usr.sbin/sendmail/src/usersmtp.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1983, 1995 Eric P. Allman
+ * Copyright (c) 1983, 1995, 1996 Eric P. Allman
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -36,9 +36,9 @@
#ifndef lint
#ifdef SMTP
-static char sccsid[] = "@(#)usersmtp.c 8.65.1.2 (Berkeley) 9/16/96 (with SMTP)";
+static char sccsid[] = "@(#)usersmtp.c 8.75 (Berkeley) 11/6/96 (with SMTP)";
#else
-static char sccsid[] = "@(#)usersmtp.c 8.65.1.2 (Berkeley) 9/16/96 (without SMTP)";
+static char sccsid[] = "@(#)usersmtp.c 8.75 (Berkeley) 11/6/96 (without SMTP)";
#endif
#endif /* not lint */
@@ -64,6 +64,7 @@ int SmtpPid; /* pid of mailer */
bool SmtpNeedIntro; /* need "while talking" in transcript */
extern void smtpmessage __P((char *f, MAILER *m, MCI *mci, ...));
+extern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)()));
/*
** SMTPINIT -- initialize SMTP.
**
@@ -83,7 +84,7 @@ extern void smtpmessage __P((char *f, MAILER *m, MCI *mci, ...));
void
smtpinit(m, mci, e)
- struct mailer *m;
+ MAILER *m;
register MCI *mci;
ENVELOPE *e;
{
@@ -142,8 +143,10 @@ smtpinit(m, mci, e)
SmtpPhase = mci->mci_phase = "client greeting";
setproctitle("%s %s: %s", e->e_id, CurHostName, mci->mci_phase);
r = reply(m, mci, e, TimeOuts.to_initial, esmtp_check);
- if (r < 0 || REPLYTYPE(r) == 4)
+ if (r < 0)
goto tempfail1;
+ if (REPLYTYPE(r) == 4)
+ goto tempfail2;
if (REPLYTYPE(r) != 2)
goto unavailable;
@@ -152,11 +155,24 @@ smtpinit(m, mci, e)
** My mother taught me to always introduce myself.
*/
+#if FFR_LMTP
+ if (bitnset(M_ESMTP, m->m_flags) || bitnset(M_LMTP, m->m_flags))
+#else
if (bitnset(M_ESMTP, m->m_flags))
+#endif
mci->mci_flags |= MCIF_ESMTP;
tryhelo:
+#if FFR_LMTP
+ if (bitnset(M_LMTP, m->m_flags))
+ {
+ smtpmessage("LHLO %s", m, mci, MyHostName);
+ SmtpPhase = mci->mci_phase = "client LHLO";
+ }
+ else if (bitset(MCIF_ESMTP, mci->mci_flags))
+#else
if (bitset(MCIF_ESMTP, mci->mci_flags))
+#endif
{
smtpmessage("EHLO %s", m, mci, MyHostName);
SmtpPhase = mci->mci_phase = "client EHLO";
@@ -172,7 +188,12 @@ tryhelo:
goto tempfail1;
else if (REPLYTYPE(r) == 5)
{
+#if FFR_LMTP
+ if (bitset(MCIF_ESMTP, mci->mci_flags) &&
+ !bitnset(M_LMTP, m->m_flags))
+#else
if (bitset(MCIF_ESMTP, mci->mci_flags))
+#endif
{
/* try old SMTP instead */
mci->mci_flags &= ~MCIF_ESMTP;
@@ -181,7 +202,7 @@ tryhelo:
goto unavailable;
}
else if (REPLYTYPE(r) != 2)
- goto tempfail1;
+ goto tempfail2;
/*
** Check to see if we actually ended up talking to ourself.
@@ -193,11 +214,14 @@ tryhelo:
if (p != NULL)
*p = '\0';
if (!bitnset(M_NOLOOPCHECK, m->m_flags) &&
+#if FFR_LMTP
+ !bitnset(M_LMTP, m->m_flags) &&
+#endif
strcasecmp(&SmtpReplyBuffer[4], MyHostName) == 0)
{
syserr("553 %s config error: mail loops back to me (MX problem?)",
mci->mci_host);
- mci->mci_exitstat = EX_CONFIG;
+ mci_setstat(mci, EX_CONFIG, NULL, NULL);
mci->mci_errno = 0;
smtpquit(m, mci, e);
return;
@@ -214,7 +238,7 @@ tryhelo:
smtpmessage("VERB", m, mci);
r = reply(m, mci, e, TimeOuts.to_miscshort, NULL);
if (r < 0)
- goto tempfail2;
+ goto tempfail1;
}
if (mci->mci_state != MCIS_CLOSED)
@@ -226,17 +250,25 @@ tryhelo:
/* got a 421 error code during startup */
tempfail1:
+ if (mci->mci_errno == 0)
+ mci->mci_errno = errno;
+ mci_setstat(mci, EX_TEMPFAIL, "4.4.2", NULL);
+ if (mci->mci_state != MCIS_CLOSED)
+ smtpquit(m, mci, e);
+ return;
+
tempfail2:
- mci->mci_exitstat = EX_TEMPFAIL;
if (mci->mci_errno == 0)
mci->mci_errno = errno;
+ /* XXX should use code from other end iff ENHANCEDSTATUSCODES */
+ mci_setstat(mci, EX_TEMPFAIL, "4.5.0", SmtpReplyBuffer);
if (mci->mci_state != MCIS_CLOSED)
smtpquit(m, mci, e);
return;
unavailable:
- mci->mci_exitstat = EX_UNAVAILABLE;
mci->mci_errno = errno;
+ mci_setstat(mci, EX_UNAVAILABLE, "5.5.0", SmtpReplyBuffer);
smtpquit(m, mci, e);
return;
}
@@ -327,7 +359,7 @@ helo_options(line, firstline, m, mci, e)
int
smtpmailfrom(m, mci, e)
- struct mailer *m;
+ MAILER *m;
MCI *mci;
ENVELOPE *e;
{
@@ -383,14 +415,16 @@ smtpmailfrom(m, mci, e)
else if (!bitset(MM_PASS8BIT, MimeMode))
{
/* cannot just send a 8-bit version */
+ extern char MsgBuf[];
+
usrerr("%s does not support 8BITMIME", mci->mci_host);
- mci->mci_status = "5.6.3";
+ mci_setstat(mci, EX_DATAERR, "5.6.3", MsgBuf);
return EX_DATAERR;
}
if (bitset(MCIF_DSN, mci->mci_flags))
{
- if (e->e_envid != NULL && strlen(e->e_envid) < (SIZE_T) l)
+ if (e->e_envid != NULL && strlen(e->e_envid) < (SIZE_T) (l - 7))
{
strcat(optbuf, " ENVID=");
strcat(optbuf, e->e_envid);
@@ -444,16 +478,24 @@ smtpmailfrom(m, mci, e)
SmtpPhase = mci->mci_phase = "client MAIL";
setproctitle("%s %s: %s", e->e_id, CurHostName, mci->mci_phase);
r = reply(m, mci, e, TimeOuts.to_mail, NULL);
- if (r < 0 || r == 421)
+ if (r < 0)
{
- /* communications failure/service shutting down */
- mci->mci_exitstat = EX_TEMPFAIL;
+ /* communications failure */
mci->mci_errno = errno;
+ mci_setstat(mci, EX_TEMPFAIL, "4.4.2", NULL);
+ smtpquit(m, mci, e);
+ return EX_TEMPFAIL;
+ }
+ else if (r == 421)
+ {
+ /* service shutting down */
+ mci_setstat(mci, EX_TEMPFAIL, "4.5.0", SmtpReplyBuffer);
smtpquit(m, mci, e);
return EX_TEMPFAIL;
}
else if (REPLYTYPE(r) == 4)
{
+ mci_setstat(mci, EX_TEMPFAIL, smtptodsn(r), SmtpReplyBuffer);
return EX_TEMPFAIL;
}
else if (REPLYTYPE(r) == 2)
@@ -463,24 +505,25 @@ smtpmailfrom(m, mci, e)
else if (r == 501)
{
/* syntax error in arguments */
- mci->mci_status = "5.5.2";
+ mci_setstat(mci, EX_DATAERR, "5.5.2", SmtpReplyBuffer);
return EX_DATAERR;
}
else if (r == 553)
{
/* mailbox name not allowed */
- mci->mci_status = "5.1.3";
+ mci_setstat(mci, EX_DATAERR, "5.1.3", SmtpReplyBuffer);
return EX_DATAERR;
}
else if (r == 552)
{
/* exceeded storage allocation */
- mci->mci_status = "5.2.2";
+ mci_setstat(mci, EX_UNAVAILABLE, "5.2.2", SmtpReplyBuffer);
return EX_UNAVAILABLE;
}
else if (REPLYTYPE(r) == 5)
{
/* unknown error */
+ mci_setstat(mci, EX_UNAVAILABLE, "5.0.0", SmtpReplyBuffer);
return EX_UNAVAILABLE;
}
@@ -494,6 +537,7 @@ smtpmailfrom(m, mci, e)
#endif
/* protocol error -- close up */
+ mci_setstat(mci, EX_PROTOCOL, "5.5.1", SmtpReplyBuffer);
smtpquit(m, mci, e);
return EX_PROTOCOL;
}
@@ -523,7 +567,6 @@ smtprcpt(to, m, mci, e)
register int r;
int l;
char optbuf[MAXLINE];
- extern char *smtptodsn();
strcpy(optbuf, "");
l = sizeof optbuf - 1;
@@ -531,7 +574,8 @@ smtprcpt(to, m, mci, e)
{
/* NOTIFY= parameter */
if (bitset(QHASNOTIFY, to->q_flags) &&
- bitset(QPRIMARY, to->q_flags))
+ bitset(QPRIMARY, to->q_flags) &&
+ !bitnset(M_LOCALMAILER, m->m_flags))
{
bool firstone = TRUE;
@@ -581,10 +625,25 @@ smtprcpt(to, m, mci, e)
return EX_TEMPFAIL;
else if (REPLYTYPE(r) == 2)
return EX_OK;
- else if (r == 550 || r == 551 || r == 553)
+ else if (r == 550)
+ {
+ to->q_status = "5.1.1";
+ return EX_NOUSER;
+ }
+ else if (r == 551)
+ {
+ to->q_status = "5.1.6";
+ return EX_NOUSER;
+ }
+ else if (r == 553)
+ {
+ to->q_status = "5.1.3";
return EX_NOUSER;
+ }
else if (REPLYTYPE(r) == 5)
+ {
return EX_UNAVAILABLE;
+ }
#ifdef LOG
if (LogLevel > 1)
@@ -602,6 +661,7 @@ smtprcpt(to, m, mci, e)
**
** Parameters:
** m -- mailer being sent to.
+** mci -- the mailer connection information.
** e -- the envelope for this message.
**
** Returns:
@@ -616,12 +676,13 @@ static void datatimeout();
int
smtpdata(m, mci, e)
- struct mailer *m;
+ MAILER *m;
register MCI *mci;
register ENVELOPE *e;
{
register int r;
register EVENT *ev;
+ int rstat;
time_t timeout;
/*
@@ -670,8 +731,8 @@ smtpdata(m, mci, e)
if (setjmp(CtxDataTimeout) != 0)
{
mci->mci_errno = errno;
- mci->mci_exitstat = EX_TEMPFAIL;
mci->mci_state = MCIS_ERROR;
+ mci_setstat(mci, EX_TEMPFAIL, "4.4.2", NULL);
syserr("451 timeout writing message to %s", mci->mci_host);
smtpquit(m, mci, e);
return EX_TEMPFAIL;
@@ -700,8 +761,8 @@ smtpdata(m, mci, e)
{
/* error during processing -- don't send the dot */
mci->mci_errno = EIO;
- mci->mci_exitstat = EX_IOERR;
mci->mci_state = MCIS_ERROR;
+ mci_setstat(mci, EX_IOERR, "4.4.2", NULL);
smtpquit(m, mci, e);
return EX_IOERR;
}
@@ -714,8 +775,12 @@ smtpdata(m, mci, e)
nmessage(">>> .");
/* check for the results of the transaction */
- SmtpPhase = mci->mci_phase = "client DATA 250";
+ SmtpPhase = mci->mci_phase = "client DATA status";
setproctitle("%s %s: %s", e->e_id, CurHostName, mci->mci_phase);
+#if FFR_LMTP
+ if (bitnset(M_LMTP, m->m_flags))
+ return EX_OK;
+#endif
r = reply(m, mci, e, TimeOuts.to_datafinal, NULL);
if (r < 0)
{
@@ -723,15 +788,22 @@ smtpdata(m, mci, e)
return EX_TEMPFAIL;
}
mci->mci_state = MCIS_OPEN;
- e->e_statmsg = newstr(&SmtpReplyBuffer[4]);
if (REPLYTYPE(r) == 4)
- return EX_TEMPFAIL;
+ rstat = EX_TEMPFAIL;
else if (REPLYCLASS(r) != 5)
- /* fall through */ ;
+ rstat = EX_PROTOCOL;
else if (REPLYTYPE(r) == 2)
- return EX_OK;
+ rstat = EX_OK;
else if (REPLYTYPE(r) == 5)
- return EX_UNAVAILABLE;
+ rstat = EX_UNAVAILABLE;
+ else
+ rstat = EX_PROTOCOL;
+ mci_setstat(mci, rstat, smtptodsn(r), SmtpReplyBuffer);
+ if (e->e_statmsg != NULL)
+ free(e->e_statmsg);
+ e->e_statmsg = newstr(&SmtpReplyBuffer[4]);
+ if (rstat != EX_PROTOCOL)
+ return rstat;
#ifdef LOG
if (LogLevel > 1)
{
@@ -740,7 +812,7 @@ smtpdata(m, mci, e)
shortenstring(SmtpReplyBuffer, 403));
}
#endif
- return EX_PROTOCOL;
+ return rstat;
}
@@ -750,10 +822,66 @@ datatimeout()
longjmp(CtxDataTimeout, 1);
}
/*
+** SMTPGETSTAT -- get status code from DATA in LMTP
+**
+** Parameters:
+** m -- the mailer to which we are sending the message.
+** mci -- the mailer connection structure.
+** e -- the current envelope.
+**
+** Returns:
+** The exit status corresponding to the reply code.
+*/
+
+#if FFR_LMTP
+
+int
+smtpgetstat(m, mci, e)
+ MAILER *m;
+ MCI *mci;
+ ENVELOPE *e;
+{
+ int r;
+ int stat;
+
+ /* check for the results of the transaction */
+ r = reply(m, mci, e, TimeOuts.to_datafinal, NULL);
+ if (r < 0)
+ {
+ smtpquit(m, mci, e);
+ return EX_TEMPFAIL;
+ }
+ if (e->e_statmsg != NULL)
+ free(e->e_statmsg);
+ e->e_statmsg = newstr(&SmtpReplyBuffer[4]);
+ if (REPLYTYPE(r) == 4)
+ stat = EX_TEMPFAIL;
+ else if (REPLYCLASS(r) != 5)
+ stat = EX_PROTOCOL;
+ else if (REPLYTYPE(r) == 2)
+ stat = EX_OK;
+ else if (REPLYTYPE(r) == 5)
+ stat = EX_UNAVAILABLE;
+ mci_setstat(mci, stat, smtptodsn(r), SmtpReplyBuffer);
+#ifdef LOG
+ if (LogLevel > 1 && stat == EX_PROTOCOL)
+ {
+ syslog(LOG_CRIT, "%s: %.100s: SMTP DATA-3 protocol error: %s",
+ e->e_id, mci->mci_host,
+ shortenstring(SmtpReplyBuffer, 403));
+ }
+#endif
+ return stat;
+}
+
+#endif
+ /*
** SMTPQUIT -- close the SMTP connection.
**
** Parameters:
** m -- a pointer to the mailer.
+** mci -- the mailer connection information.
+** e -- the current envelope.
**
** Returns:
** none.
@@ -906,6 +1034,7 @@ reply(m, mci, e, timeout, pfunc)
if (p == NULL)
{
bool oldholderrs;
+ extern char MsgBuf[];
/* if the remote end closed early, fake an error */
if (errno == 0)
@@ -916,10 +1045,10 @@ reply(m, mci, e, timeout, pfunc)
# endif /* ECONNRESET */
mci->mci_errno = errno;
- mci->mci_exitstat = EX_TEMPFAIL;
oldholderrs = HoldErrs;
HoldErrs = TRUE;
usrerr("451 reply: read error from %s", mci->mci_host);
+ mci_setstat(mci, EX_TEMPFAIL, "4.4.2", MsgBuf);
/* if debugging, pause so we can see state */
if (tTd(18, 100))
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-11 07:01:24 +0000