Merge conflicts from 8.8.3 import onto mainline.

13 files changed, 546 insertions, 135 deletions

diff --git a/usr.sbin/sendmail/src/collect.c b/usr.sbin/sendmail/src/collect.c
index 233c247..48b5b89 100644
--- a/usr.sbin/sendmail/src/collect.c
+++ b/usr.sbin/sendmail/src/collect.c
@@ -33,7 +33,7 @@
  */
 
 #ifndef lint
-static char sccsid[] = "@(#)collect.c	8.58 (Berkeley) 9/18/96";
+static char sccsid[] = "@(#)collect.c	8.60 (Berkeley) 11/15/96";
 #endif /* not lint */
 
 # include <errno.h>
@@ -488,7 +488,7 @@ readerr:
 	**	Examples are who is the from person & the date.
 	*/
 
-	eatheader(e, !requeueflag);
+	eatheader(e, TRUE);
 
 	if (GrabTo && e->e_sendqueue == NULL)
 		usrerr("No recipient addresses found in header");
@@ -557,6 +557,7 @@ readerr:
 	/* check for message too large */
 	if (MaxMessageSize > 0 && e->e_msgsize > MaxMessageSize)
 	{
+		e->e_flags |= EF_NO_BODY_RETN;
 		e->e_status = "5.2.3";
 		usrerr("552 Message exceeds maximum fixed size (%ld)",
 			MaxMessageSize);
diff --git a/usr.sbin/sendmail/src/conf.c b/usr.sbin/sendmail/src/conf.c
index 3a40c98..750bad0 100644
--- a/usr.sbin/sendmail/src/conf.c
+++ b/usr.sbin/sendmail/src/conf.c
@@ -33,7 +33,7 @@
  */
 
 #ifndef lint
-static char sccsid[] = "@(#)conf.c	8.312 (Berkeley) 10/17/96";
+static char sccsid[] = "@(#)conf.c	8.315 (Berkeley) 11/10/96";
 #endif /* not lint */
 
 # include "sendmail.h"
@@ -1186,8 +1186,19 @@ init_md(argc, argv)
 	/* keep gethostby*() from stripping the local domain name */
 	set_domain_trim_off();
 #endif
-#if SECUREWARE
+#if SECUREWARE || defined(_SCO_unix_)
 	set_auth_parameters(argc, argv);
+
+# ifdef _SCO_unix_
+	/*
+	**  This is required for highest security levels (the kernel
+	**  won't let it call set*uid() or run setuid binaries without
+	**  it).  It may be necessary on other SECUREWARE systems.
+	*/
+
+	if (getluid() == -1)
+		setluid(0);
+# endif
 #endif
 
 #ifdef VENDOR_DEFAULT
@@ -1243,6 +1254,8 @@ init_vendor_macros(e)
 #define LA_DGUX		9	/* special DGUX implementation */
 #define LA_HPUX		10	/* special HPUX implementation */
 #define LA_IRIX6	11	/* special IRIX 6.2 implementation */
+#define LA_KSTAT	12	/* special Solaris kstat(3k) implementation */
+#define LA_DEVSHORT	13	/* read short from a device */
 
 /* do guesses based on general OS type */
 #ifndef LA_TYPE
@@ -1778,8 +1791,100 @@ int getla(void)
 }
 #endif
 
+#if LA_TYPE == LA_KSTAT
+
+#include <kstat.h>
+
+int
+getla()
+{
+	kstat_ctl_t *kc;
+	kstat_t *ksp;
+	kstat_named_t *ksn;
+	int la;
+
+	kc = kstat_open();
+	if (kc == NULL)
+	{
+		if (tTd(3, 1))
+			printf("getla: kstat_open(): %s\n",
+				errstring(errno));
+		return -1;
+	}
+	ksp = kstat_lookup(kc, "unix", 0, "system_misc"); /* NULL on error */
+	if (ksp == NULL)
+	{
+		if (tTd(3, 1))
+			printf("getla: kstat_lookup(): %s\n",
+				errstring(errno);
+		return -1;
+	}
+	if (kstat_read(kc, ksp, NULL) < 0)
+	{
+		if (tTd(3, 1))
+			printf("getla: kstat_read(): %s\n",
+				errstring(errno);
+		return -1;
+	}
+	ksn = (kstat_named_t *) kstat_data_lookup(ksp, "avenrun_1min");
+	la = (ksn->value.ul + FSCALE/2) >> FSHIFT;
+	kstat_close(kc);
+	return la;
+}
+
+#endif /* LA_TYPE == LA_KSTAT */
+
+#if LA_TYPE == LA_DEVSHORT
+
+/*
+**  Read /dev/table/avenrun for the load average.  This should contain
+**  three shorts for the 1, 5, and 15 minute loads.  We only read the
+**  first, since that's all we care about.
+**
+**	Intended for SCO OpenServer 5.
+*/
+
+# ifndef _PATH_AVENRUN
+#  define _PATH_AVENRUN	"/dev/table/avenrun"
+# endif
+
+int
+getla()
+{
+	static int afd = -1;
+	short avenrun;
+	int loadav;
+	int r;
+
+	errno = EBADF;
+
+	if (afd == -1 || lseek(afd, 0L, SEEK_SET) == -1)
+	{
+		if (errno != EBADF)
+			return -1;
+		afd = open(_PATH_AVENRUN, O_RDONLY|O_SYNC);
+		if (afd < 0)
+		{
+			syslog(LOG_ERR, "can't open %s: %m", _PATH_AVENRUN);
+			return -1;
+		}
+	}
+
+	r = read(afd, &avenrun, sizeof avenrun);
+
+	if (tTd(3, 5))
+		printf("getla: avenrun = %d\n", avenrun);
+	loadav = (int) (avenrun + FSCALE/2) >> FSHIFT;
+	if (tTd(3, 1))
+		printf("getla: %d\n", loadav);
+	return loadav;
+}
+
+#endif /* LA_TYPE == LA_DEVSHORT */
+
 #if LA_TYPE == LA_ZERO
 
+int
 getla()
 {
 	if (tTd(3, 1))
@@ -1936,8 +2041,10 @@ refuseconnections(port)
 			syslog(LOG_INFO, "rejecting connections on port %d: load average: %d",
 				port, CurrentLA);
 #endif
+		return TRUE;
 	}
-	else if (!enoughdiskspace(MinBlocksFree + 1))
+
+	if (!enoughdiskspace(MinBlocksFree + 1))
 	{
 		setproctitle("rejecting connections on port %d: min free: %d",
 			port, MinBlocksFree);
@@ -1946,20 +2053,26 @@ refuseconnections(port)
 			syslog(LOG_INFO, "rejecting connections on port %d: min free: %d",
 				port, MinBlocksFree);
 #endif
+		return TRUE;
 	}
-	else if (MaxChildren > 0 && CurChildren >= MaxChildren)
+
+	if (MaxChildren > 0 && CurChildren >= MaxChildren)
 	{
-		setproctitle("rejecting connections on port %d: %d children, max %d",
-			port, CurChildren, MaxChildren);
-#ifdef LOG
-		if (LogLevel >= 14)
-			syslog(LOG_INFO, "rejecting connections on port %d: %d children, max %d",
+		proc_list_probe();
+		if (CurChildren >= MaxChildren)
+		{
+			setproctitle("rejecting connections on port %d: %d children, max %d",
 				port, CurChildren, MaxChildren);
+#ifdef LOG
+			if (LogLevel >= 14)
+				syslog(LOG_INFO, "rejecting connections on port %d: %d children, max %d",
+					port, CurChildren, MaxChildren);
 #endif
+			return TRUE;
+		}
 	}
-	else
-		return FALSE;
-	return TRUE;
+
+	return FALSE;
 }
 /*
 **  SETPROCTITLE -- set process title for ps
diff --git a/usr.sbin/sendmail/src/conf.h b/usr.sbin/sendmail/src/conf.h
index 66ddf12..0c3729b 100644
--- a/usr.sbin/sendmail/src/conf.h
+++ b/usr.sbin/sendmail/src/conf.h
@@ -31,7 +31,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)conf.h	8.267 (Berkeley) 10/17/96
+ *	@(#)conf.h	8.272 (Berkeley) 11/16/96
  */
 
 /*
@@ -41,7 +41,9 @@
 **	included in the next release.
 */
 
+#ifdef __GNUC__
 struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
+#endif
 
 # include <sys/param.h>
 # include <sys/types.h>
@@ -216,7 +218,11 @@ extern void	hard_syslog(int, char *, ...);
 
 #ifdef _AIX4
 # define _AIX3		1	/* pull in AIX3 stuff */
-# define HASSETREUID	1	/* setreuid(2) works */
+# define USESETEUID	1	/* seteuid(2) works */
+# define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
+# if _AIX4 >= 40200
+#  define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
+# endif
 #endif
 
 
@@ -409,6 +415,9 @@ typedef int		pid_t;
 #    define snprintf	__snprintf	/* but names it oddly in 2.5 */
 #    define vsnprintf	__vsnprintf
 #   endif
+#   ifndef LA_TYPE
+#    define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
+#   endif
 #  endif
 #  ifndef HASGETUSERSHELL
 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
@@ -588,6 +597,7 @@ extern long	dgux_inet_addr();
 # define WAITUNION	1	/* use "union wait" as wait argument type */
 # define UID_T		int	/* compiler gripes on uid_t */
 # define GID_T		int	/* ditto for gid_t */
+# define MODE_T		int	/* and mode_t */
 # define sleep		sleepX
 # define setpgid	setpgrp
 # ifndef LA_TYPE
@@ -790,31 +800,43 @@ extern int		errno;
 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
 */
 
+/* SCO OpenServer 5 */
 #if _SCO_DS >= 1
 # include <paths.h>
 # define _SCO_unix_4_2
-# define HASSNPRINTF	1	/* has snprintf() call */
-# define HASFCHMOD	1	/* has fchmod() call */
-# define HASSETRLIMIT	1	/* has setrlimit() call */
+# define HASSNPRINTF	1	/* has snprintf(3) call */
+# define HASFCHMOD	1	/* has fchmod(2) call */
+# define HASSETRLIMIT	1	/* has setrlimit(2) call */
+# define USESETEUID	1	/* has seteuid(2) call */
+# define HASINITGROUPS	1	/* has initgroups(3) call */
+# define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
 # define RLIMIT_NEEDS_SYS_TIME_H	1
+# ifndef LA_TYPE
+#  define LA_TYPE	LA_DEVSHORT
+# endif
+# define _PATH_AVENRUN	"/dev/table/avenrun"
 #endif
 
-
+/* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
 #ifdef _SCO_unix_4_2
 # define _SCO_unix_
 # define HASSETREUID	1	/* has setreuid(2) call */
 #endif
 
+/* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
 #ifdef _SCO_unix_
 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
 # define SYSTEM5	1	/* include all the System V defines */
 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
+# define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
 # define MAXPATHLEN	PATHSIZE
-# define LA_TYPE	LA_SHORT
 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
 # define SFS_BAVAIL	f_bfree		/* alternate field name */
 # define SPT_TYPE	SPT_SCO		/* write kernel u. area */
 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
+# define UID_T		uid_t
+# define GID_T		gid_t
+# define GIDSET_T	gid_t
 # define _PATH_UNIX		"/unix"
 # define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
 # ifndef _PATH_SENDMAILPID
@@ -827,9 +849,10 @@ extern int		errno;
 # endif
 
 # ifndef _SCO_DS
-#  define NOFTRUNCATE	0	/* does not have ftruncate(3) call */
+#  define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
 #  define NETUNIX	0	/* no unix domain socket support */
+#  define LA_TYPE	LA_SHORT
 # endif
 
 #endif
@@ -1849,6 +1872,10 @@ extern int	errno;
 # define SIZE_T		size_t
 #endif
 
+#ifndef MODE_T
+# define MODE_T		mode_t
+#endif
+
 #ifndef ARGV_T
 # define ARGV_T		char **
 #endif
diff --git a/usr.sbin/sendmail/src/daemon.c b/usr.sbin/sendmail/src/daemon.c
index aead4ff..283d7e4 100644
--- a/usr.sbin/sendmail/src/daemon.c
+++ b/usr.sbin/sendmail/src/daemon.c
@@ -37,9 +37,9 @@
 
 #ifndef lint
 #ifdef DAEMON
-static char sccsid[] = "@(#)daemon.c	8.145 (Berkeley) 10/12/96 (with daemon mode)";
+static char sccsid[] = "@(#)daemon.c	8.148 (Berkeley) 11/8/96 (with daemon mode)";
 #else
-static char sccsid[] = "@(#)daemon.c	8.145 (Berkeley) 10/12/96 (without daemon mode)";
+static char sccsid[] = "@(#)daemon.c	8.148 (Berkeley) 11/8/96 (without daemon mode)";
 #endif
 #endif /* not lint */
 
@@ -193,7 +193,7 @@ getrequests(e)
 
 	for (;;)
 	{
-		register int pid;
+		register pid_t pid;
 		auto int lotherend;
 		extern bool refuseconnections();
 		extern int getla();
@@ -244,6 +244,16 @@ getrequests(e)
 		/* wait for a connection */
 		setproctitle("accepting connections on port %d",
 			     ntohs(DaemonAddr.sin.sin_port));
+#if 0
+		/*
+		**  Andrew Sun <asun@ieps-sun.ml.com> claims that this will
+		**  fix the SVr4 problem.  But it seems to have gone away,
+		**  so is it worth doing this?
+		*/
+
+		if (SetNonBlocking(DaemonSocket, FALSE) < 0)
+			log an error here;
+#endif
 		do
 		{
 			errno = 0;
@@ -734,9 +744,8 @@ makeconnection(host, port, mci, e)
 			extern char MsgBuf[];
 
 			usrerr("553 Invalid numeric domain spec \"%s\"", host);
-			mci->mci_status = "5.1.2";
-			mci->mci_rstatus = newstr(MsgBuf);
-			return (EX_NOHOST);
+			mci_setstat(mci, EX_NOHOST, "5.1.2", MsgBuf);
+			return EX_NOHOST;
 		}
 #if NETINET
 		addr.sin.sin_family = AF_INET;		/*XXX*/
@@ -773,11 +782,11 @@ gothostent:
 			if (errno == ETIMEDOUT || h_errno == TRY_AGAIN ||
 			    (errno == ECONNREFUSED && UseNameServer))
 			{
-				mci->mci_status = "4.4.3";
-				mci->mci_rstatus = NULL;
-				return (EX_TEMPFAIL);
+				mci_setstat(mci, EX_TEMPFAIL, "4.4.3", NULL);
+				return EX_TEMPFAIL;
 			}
 #endif
+			mci_setstat(mci, EX_NOHOST, "5.1.2", NULL);
 			return (EX_NOHOST);
 		}
 		addr.sa.sa_family = hp->h_addrtype;
@@ -839,6 +848,7 @@ gothostent:
 
 	  default:
 		syserr("Can't connect to address family %d", addr.sa.sa_family);
+		mci_setstat(mci, EX_NOHOST, "5.1.2", NULL);
 		return (EX_NOHOST);
 	}
 
@@ -876,7 +886,11 @@ gothostent:
 		{
 			sav_errno = errno;
 			syserr("makeconnection: cannot create socket");
-			goto failure;
+#ifdef XLA
+			xla_host_end(host);
+#endif
+			mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL);
+			return EX_TEMPFAIL;
 		}
 
 #ifdef SO_SNDBUF
@@ -964,18 +978,12 @@ gothostent:
 			continue;
 		}
 
-		/* failure, decide if temporary or not */
-	failure:
+		/* couldn't open connection */
 #ifdef XLA
 		xla_host_end(host);
 #endif
-		if (transienterror(sav_errno))
-			return EX_TEMPFAIL;
-		else
-		{
-			message("%s", errstring(sav_errno));
-			return (EX_UNAVAILABLE);
-		}
+		mci_setstat(mci, EX_TEMPFAIL, "4.4.1", NULL);
+		return EX_TEMPFAIL;
 	}
 
 	/* connection ok, put it into canonical form */
@@ -984,9 +992,11 @@ gothostent:
 	    (mci->mci_in = fdopen(s, "r")) == NULL)
 	{
 		syserr("cannot open SMTP client channel, fd=%d", s);
+		mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL);
 		return EX_TEMPFAIL;
 	}
 
+	mci_setstat(mci, EX_OK, NULL, NULL);
 	return (EX_OK);
 }
 /*
diff --git a/usr.sbin/sendmail/src/deliver.c b/usr.sbin/sendmail/src/deliver.c
index f446f53..c019d2b 100644
--- a/usr.sbin/sendmail/src/deliver.c
+++ b/usr.sbin/sendmail/src/deliver.c
@@ -33,7 +33,7 @@
  */
 
 #ifndef lint
-static char sccsid[] = "@(#)deliver.c	8.246 (Berkeley) 10/17/96";
+static char sccsid[] = "@(#)deliver.c	8.251 (Berkeley) 11/11/96";
 #endif /* not lint */
 
 #include "sendmail.h"
@@ -78,7 +78,7 @@ sendall(e, mode)
 	ENVELOPE *splitenv = NULL;
 	bool oldverbose = Verbose;
 	bool somedeliveries = FALSE;
-	int pid;
+	pid_t pid;
 	extern void sendenvelope();
 
 	/*
@@ -760,7 +760,7 @@ sendenvelope(e, mode)
 int
 dofork()
 {
-	register int pid = -1;
+	register pid_t pid = -1;
 
 	DOFORK(fork);
 	return (pid);
@@ -813,11 +813,12 @@ deliver(e, firstto)
 	ADDRESS *volatile tochain = NULL; /* users chain in this mailer call */
 	int rcode;			/* response code */
 	char *firstsig;			/* signature of firstto */
-	int pid = -1;
+	pid_t pid = -1;
 	char *volatile curhost;
 	register volatile u_short port = 0;
 	time_t xstart;
 	bool suidwarn;
+	bool anyok;			/* at least one address was OK */
 	int mpvect[2];
 	int rpvect[2];
 	char *pv[MAXPV+1];
@@ -1314,7 +1315,7 @@ tryhost:
 
 			if (mci_lock_host(mci) != EX_OK)
 			{
-				mci->mci_exitstat = EX_TEMPFAIL;
+				mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL);
 				continue;
 			}
 
@@ -1840,6 +1841,7 @@ tryhost:
 		extern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *));
 		extern int smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *));
 		extern int smtpdata __P((MAILER *, MCI *, ENVELOPE *));
+		extern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *));
 
 		/*
 		**  Send the MAIL FROM: protocol
@@ -1883,10 +1885,6 @@ tryhost:
 				e->e_to = tobuf + 1;
 				rcode = smtpdata(m, mci, e);
 			}
-
-			/* now close the connection */
-			if (!bitset(MCIF_CACHED, mci->mci_flags))
-				smtpquit(m, mci, e);
 		}
 		if (rcode == EX_TEMPFAIL && curhost != NULL && *curhost != '\0')
 		{
@@ -1917,11 +1915,17 @@ tryhost:
 	*/
 
   give_up:
-	if (tobuf[0] != '\0')
-		giveresponse(rcode, m, mci, ctladdr, xstart, e);
-	if (rcode == EX_OK)
-		markstats(e, tochain);
-	mci_store_persistent(mci);
+#ifdef SMTP
+# if FFR_LMTP
+	if (bitnset(M_LMTP, m->m_flags))
+	{
+		tobuf[0] = '\0';
+		anyok = FALSE;
+	}
+	else
+# endif
+#endif
+		anyok = rcode == EX_OK;
 
 	for (to = tochain; to != NULL; to = to->q_tchain)
 	{
@@ -1929,11 +1933,37 @@ tryhost:
 		if (bitset(QBADADDR|QQUEUEUP, to->q_flags))
 			continue;
 
-		/* mark bad addresses */
-		if (rcode != EX_OK)
+#ifdef SMTP
+# if FFR_LMTP
+		/* if running LMTP, get the status for each address */
+		if (bitnset(M_LMTP, m->m_flags))
 		{
-			markfailure(e, to, mci, rcode);
-			continue;
+			rcode = smtpgetstat(m, mci, e);
+			if (rcode == EX_OK)
+			{
+				strcat(tobuf, ",");
+				strcat(tobuf, to->q_paddr);
+				anyok = TRUE;
+			}
+			else
+			{
+				e->e_to = to->q_paddr;
+				markfailure(e, to, mci, rcode);
+				giveresponse(rcode, m, mci, ctladdr, xstart, e);
+				e->e_to = tobuf + 1;
+				continue;
+			}
+		}
+		else
+# endif
+#endif
+		{
+			/* mark bad addresses */
+			if (rcode != EX_OK)
+			{
+				markfailure(e, to, mci, rcode);
+				continue;
+			}
 		}
 
 		/* successful delivery */
@@ -1958,6 +1988,38 @@ tryhost:
 		}
 	}
 
+#ifdef SMTP
+# if FFR_LMTP
+	if (bitnset(M_LMTP, m->m_flags))
+	{
+		/*
+		**  Global information applies to the last recipient only;
+		**  clear it out to avoid bogus errors.
+		*/
+
+		rcode = EX_OK;
+		e->e_statmsg = NULL;
+
+		/* reset the mci state for the next transaction */
+		if (mci->mci_state == MCIS_ACTIVE)
+			mci->mci_state = MCIS_OPEN;
+	}
+# endif
+#endif
+
+	if (tobuf[0] != '\0')
+		giveresponse(rcode, m, mci, ctladdr, xstart, e);
+	if (anyok)
+		markstats(e, tochain);
+	mci_store_persistent(mci);
+
+#ifdef SMTP
+	/* now close the connection */
+	if (clever && mci->mci_state != MCIS_CLOSED &&
+	    !bitset(MCIF_CACHED, mci->mci_flags))
+		smtpquit(m, mci, e);
+#endif
+
 	/*
 	**  Restore state and return.
 	*/
@@ -2142,7 +2204,7 @@ endmailer(mci, e, pv)
 	st = waitfor(mci->mci_pid);
 	if (st == -1)
 	{
-		syserr("endmailer %s: wait", pv[0]);
+		syserr("endmailer %s: wait", mci->mci_mailer->m_name);
 		return (EX_SOFTWARE);
 	}
 
@@ -2951,7 +3013,7 @@ mailfile(filename, ctladdr, sfflags, e)
 	register ENVELOPE *e;
 {
 	register FILE *f;
-	register int pid = -1;
+	register pid_t pid = -1;
 	int mode;
 	bool suidwarn = geteuid() == 0;
 
@@ -3146,9 +3208,9 @@ mailfile(filename, ctladdr, sfflags, e)
 
 		/* reset ISUID & ISGID bits for paranoid systems */
 #if HASFCHMOD
-		(void) fchmod(fileno(f), (int) stb.st_mode);
+		(void) fchmod(fileno(f), (MODE_T) stb.st_mode);
 #else
-		(void) chmod(filename, (int) stb.st_mode);
+		(void) chmod(filename, (MODE_T) stb.st_mode);
 #endif
 		(void) xfclose(f, "mailfile", filename);
 		(void) fflush(stdout);
@@ -3259,10 +3321,10 @@ hostsignature(m, host, e)
 
 				/* update the connection info for this host */
 				mci = mci_get(hp, m);
-				mci->mci_lastuse = curtime();
-				mci->mci_exitstat = rcode;
 				mci->mci_errno = errno;
 				mci->mci_herrno = h_errno;
+				mci->mci_lastuse = curtime();
+				mci_setstat(mci, rcode, NULL, NULL);
 
 				/* use the original host name as signature */
 				nmx = 1;
diff --git a/usr.sbin/sendmail/src/domain.c b/usr.sbin/sendmail/src/domain.c
index 1db714a..ca2d8f8 100644
--- a/usr.sbin/sendmail/src/domain.c
+++ b/usr.sbin/sendmail/src/domain.c
@@ -36,9 +36,9 @@
 
 #ifndef lint
 #if NAMED_BIND
-static char sccsid[] = "@(#)domain.c	8.63 (Berkeley) 9/15/96 (with name server)";
+static char sccsid[] = "@(#)domain.c	8.64 (Berkeley) 10/30/96 (with name server)";
 #else
-static char sccsid[] = "@(#)domain.c	8.63 (Berkeley) 9/15/96 (without name server)";
+static char sccsid[] = "@(#)domain.c	8.64 (Berkeley) 10/30/96 (without name server)";
 #endif
 #endif /* not lint */
 
@@ -48,10 +48,23 @@ static char sccsid[] = "@(#)domain.c	8.63 (Berkeley) 9/15/96 (without name serve
 #include <resolv.h>
 #include <arpa/inet.h>
 
+/*
+**  The standard udp packet size PACKETSZ (512) is not sufficient for some
+**  nameserver answers containing very many resource records. The resolver
+**  may switch to tcp and retry if it detects udp packet overflow.
+**  Also note that the resolver routines res_query and res_search return
+**  the size of the *un*truncated answer in case the supplied answer buffer
+**  it not big enough to accommodate the entire answer.
+*/
+
+#ifndef MAXPACKET
+# define MAXPACKET 8192		/* max packet size used internally by BIND */
+#endif
+
 typedef union
 {
 	HEADER	qb1;
-	u_char	qb2[PACKETSZ];
+	u_char	qb2[MAXPACKET];
 } querybuf;
 
 #ifndef MXHOSTBUFSIZE
@@ -206,6 +219,10 @@ getmxrr(host, mxhosts, droplocalhost, rcode)
 		return (-1);
 	}
 
+	/* avoid problems after truncation in tcp packets */
+	if (n > sizeof(answer))
+		n = sizeof(answer);
+
 	/* find first satisfactory answer */
 	hp = (HEADER *)&answer;
 	cp = (u_char *)&answer + HFIXEDSZ;
@@ -515,7 +532,7 @@ dns_getcanonname(host, hbsize, trymx, statp)
 	int qtype;
 	int loopcnt;
 	char *xp;
-	char nbuf[MAX(PACKETSZ, MAXDNAME*2+2)];
+	char nbuf[MAX(MAXPACKET, MAXDNAME*2+2)];
 	char *searchlist[MAXDNSRCH+2];
 	extern char *gethostalias();
 
@@ -648,6 +665,10 @@ cnameloop:
 		else if (tTd(8, 7))
 			printf("\tYES\n");
 
+		/* avoid problems after truncation in tcp packets */
+		if (ret > sizeof(answer))
+			ret = sizeof(answer);
+
 		/*
 		**  Appear to have a match.  Confirm it by searching for A or
 		**  CNAME records.  If we don't have a local domain
diff --git a/usr.sbin/sendmail/src/main.c b/usr.sbin/sendmail/src/main.c
index c6b37ea..9da0e32 100644
--- a/usr.sbin/sendmail/src/main.c
+++ b/usr.sbin/sendmail/src/main.c
@@ -39,7 +39,7 @@ static char copyright[] =
 #endif /* not lint */
 
 #ifndef lint
-static char sccsid[] = "@(#)main.c	8.211 (Berkeley) 10/12/96";
+static char sccsid[] = "@(#)main.c	8.215 (Berkeley) 11/16/96";
 #endif /* not lint */
 
 #define	_DEFINE
@@ -387,12 +387,18 @@ main(argc, argv, envp)
 	OpMode = MD_DELIVER;
 	FullName = getextenv("NAME");
 
+	/*
+	**  Initialize name server if it is going to be used.
+	*/
+
 #if NAMED_BIND
-	if (tTd(8, 8))
-	{
+	if (!bitset(RES_INIT, _res.options))
 		res_init();
+	if (tTd(8, 8))
 		_res.options |= RES_DEBUG;
-	}
+# ifdef RES_NOALIASES
+	_res.options |= RES_NOALIASES;
+# endif
 #endif
 
 	errno = 0;
@@ -526,8 +532,6 @@ main(argc, argv, envp)
 # endif /* SMTP */
 
 			  case MD_INITALIAS:
-				/* fall through ... */
-
 			  case MD_DELIVER:
 			  case MD_VERIFY:
 			  case MD_TEST:
@@ -837,18 +841,6 @@ main(argc, argv, envp)
 	}
 
 	/*
-	**  Initialize name server if it is going to be used.
-	*/
-
-#if NAMED_BIND
-	if (UseNameServer && !bitset(RES_INIT, _res.options))
-		res_init();
-# ifdef RES_NOALIASES
-	_res.options |= RES_NOALIASES;
-# endif
-#endif
-
-	/*
 	**  Do more command line checking -- these are things that
 	**  have to modify the results of reading the config file.
 	*/
@@ -889,8 +881,8 @@ main(argc, argv, envp)
 	/* check for sane configuration level */
 	if (ConfigLevel > MAXCONFIGLEVEL)
 	{
-		syserr("Warning: .cf version level (%d) exceeds program functionality (%d)",
-			ConfigLevel, MAXCONFIGLEVEL);
+		syserr("Warning: .cf version level (%d) exceeds sendmail version %s functionality (%d)",
+			ConfigLevel, Version, MAXCONFIGLEVEL);
 	}
 
 	/* need MCI cache to have persistence */
@@ -927,8 +919,9 @@ main(argc, argv, envp)
 		if (RealUid != 0)
 		{
 #ifdef LOG
-			syslog(LOG_ALERT, "uid %d tried to start daemon mode",
-				RealUid);
+			if (LogLevel > 1)
+				syslog(LOG_ALERT, "user %d attempted to run daemon",
+					RealUid);
 #endif
 			usrerr("Permission denied");
 			exit(EX_USAGE);
@@ -1968,7 +1961,7 @@ sighup()
 		syslog(LOG_INFO, "restarting %s on signal", SaveArgv[0]);
 #endif
 	releasesignal(SIGHUP);
-	if (setuid(RealUid) < 0 || setgid(RealGid) < 0)
+	if (setgid(RealGid) < 0 || setuid(RealUid) < 0)
 	{
 #ifdef LOG
 		if (LogLevel > 0)
diff --git a/usr.sbin/sendmail/src/mime.c b/usr.sbin/sendmail/src/mime.c
index e93f412..9ee726a 100644
--- a/usr.sbin/sendmail/src/mime.c
+++ b/usr.sbin/sendmail/src/mime.c
@@ -36,7 +36,7 @@
 # include <string.h>
 
 #ifndef lint
-static char sccsid[] = "@(#)mime.c	8.48 (Berkeley) 10/18/96";
+static char sccsid[] = "@(#)mime.c	8.49 (Berkeley) 10/30/96";
 #endif /* not lint */
 
 /*
diff --git a/usr.sbin/sendmail/src/readcf.c b/usr.sbin/sendmail/src/readcf.c
index 172e372..9313f0f 100644
--- a/usr.sbin/sendmail/src/readcf.c
+++ b/usr.sbin/sendmail/src/readcf.c
@@ -33,7 +33,7 @@
  */
 
 #ifndef lint
-static char sccsid[] = "@(#)readcf.c	8.174 (Berkeley) 10/9/96";
+static char sccsid[] = "@(#)readcf.c	8.176 (Berkeley) 11/10/96";
 #endif /* not lint */
 
 # include "sendmail.h"
@@ -715,7 +715,7 @@ fileclass(class, filename, fmt, safe, optional)
 {
 	FILE *f;
 	int sff;
-	int pid;
+	pid_t pid;
 	register char *p;
 	char buf[MAXLINE];
 
@@ -1024,6 +1024,10 @@ makemailer(line)
 
 				m->m_uid = strtol(p, &q, 0);
 				p = q;
+				while (isascii(*p) && isspace(*p))
+					p++;
+				if (*p != '\0')
+					p++;
 			}
 			while (isascii(*p) && isspace(*p))
 				p++;
diff --git a/usr.sbin/sendmail/src/sendmail.h b/usr.sbin/sendmail/src/sendmail.h
index 62b0bb9..2dc30e4 100644
--- a/usr.sbin/sendmail/src/sendmail.h
+++ b/usr.sbin/sendmail/src/sendmail.h
@@ -31,7 +31,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)sendmail.h	8.206 (Berkeley) 10/17/96
+ *	@(#)sendmail.h	8.209 (Berkeley) 11/8/96
  */
 
 /*
@@ -41,7 +41,7 @@
 # ifdef _DEFINE
 # define EXTERN
 # ifndef lint
-static char SmailSccsId[] =	"@(#)sendmail.h	8.206		10/17/96";
+static char SmailSccsId[] =	"@(#)sendmail.h	8.209		11/8/96";
 # endif
 # else /*  _DEFINE */
 # define EXTERN extern
@@ -275,6 +275,7 @@ struct mailer
 # define M_HASPWENT	'w'	/* check for /etc/passwd entry */
 		/*	'x'	   CF: include Full-Name: */
 # define M_XDOT		'X'	/* use hidden-dot algorithm */
+# define M_LMTP		'z'	/* run Local Mail Transport Protocol */
 # define M_NOMX		'0'	/* turn off MX lookups */
 # define M_EBCDIC	'3'	/* extend Q-P encoding for EBCDIC */
 # define M_TRYRULESET5	'5'	/* use ruleset 5 after local aliasing */
@@ -310,7 +311,7 @@ MCI
 	long		mci_maxsize;	/* max size this server will accept */
 	FILE		*mci_in;	/* input side of connection */
 	FILE		*mci_out;	/* output side of connection */
-	int		mci_pid;	/* process id of subordinate proc */
+	pid_t		mci_pid;	/* process id of subordinate proc */
 	char		*mci_phase;	/* SMTP phase string */
 	struct mailer	*mci_mailer;	/* ptr to the mailer for this conn */
 	char		*mci_host;	/* host name */
@@ -1095,7 +1096,7 @@ EXTERN gid_t	RealGid;	/* real gid of caller */
 EXTERN uid_t	DefUid;		/* default uid to run as */
 EXTERN gid_t	DefGid;		/* default gid to run as */
 EXTERN char	*DefUser;	/* default user to run as (from DefUid) */
-EXTERN int	OldUmask;	/* umask when sendmail starts up */
+EXTERN MODE_T	OldUmask;	/* umask when sendmail starts up */
 EXTERN int	Errors;		/* set if errors (local to single pass) */
 EXTERN int	ExitStat;	/* exit status code */
 EXTERN int	LineNumber;	/* line number in current input */
@@ -1303,7 +1304,7 @@ extern void	inittimeouts __P((char *));
 extern void	logdelivery __P((MAILER *, MCI *, const char *, ADDRESS *, time_t, ENVELOPE *));
 extern void	giveresponse __P((int, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *));
 extern void	buildfname __P((char *, char *, char *, int));
-extern void	mci_setstat __P((MCI *, char *, char *));
+extern void	mci_setstat __P((MCI *, int, char *, char *));
 extern char	*smtptodsn __P((int));
 extern int	rscheck __P((char *, char *, char *, ENVELOPE *e));
 extern void	mime7to8 __P((MCI *, HDR *, ENVELOPE *));
diff --git a/usr.sbin/sendmail/src/srvrsmtp.c b/usr.sbin/sendmail/src/srvrsmtp.c
index dc582cc..9c78859 100644
--- a/usr.sbin/sendmail/src/srvrsmtp.c
+++ b/usr.sbin/sendmail/src/srvrsmtp.c
@@ -36,9 +36,9 @@
 
 #ifndef lint
 #ifdef SMTP
-static char sccsid[] = "@(#)srvrsmtp.c	8.123 (Berkeley) 10/12/96 (with SMTP)";
+static char sccsid[] = "@(#)srvrsmtp.c	8.125 (Berkeley) 11/8/96 (with SMTP)";
 #else
-static char sccsid[] = "@(#)srvrsmtp.c	8.123 (Berkeley) 10/12/96 (without SMTP)";
+static char sccsid[] = "@(#)srvrsmtp.c	8.125 (Berkeley) 11/8/96 (without SMTP)";
 #endif
 #endif /* not lint */
 
@@ -1270,10 +1270,20 @@ runinchild(label, e)
 	char *label;
 	register ENVELOPE *e;
 {
-	int childpid;
+	pid_t childpid;
+	sigfunc_t chldsig;
 
 	if (!OneXact)
 	{
+		/*
+		**  Disable child process reaping, in case ETRN has preceeded
+		**  MAIL command.
+		*/
+
+#ifdef SIGCHLD
+		chldsig = setsignal(SIGCHLD, SIG_IGN);
+#endif
+
 		childpid = dofork();
 		if (childpid < 0)
 		{
@@ -1300,6 +1310,11 @@ runinchild(label, e)
 				finis();
 			}
 
+#ifdef SIGCHLD
+			/* restore the child signal */
+			(void) setsignal(SIGCHLD, chldsig);
+#endif
+
 			return (1);
 		}
 		else
diff --git a/usr.sbin/sendmail/src/usersmtp.c b/usr.sbin/sendmail/src/usersmtp.c
index aaae985..9724859 100644
--- a/usr.sbin/sendmail/src/usersmtp.c
+++ b/usr.sbin/sendmail/src/usersmtp.c
@@ -36,9 +36,9 @@
 
 #ifndef lint
 #ifdef SMTP
-static char sccsid[] = "@(#)usersmtp.c	8.72 (Berkeley) 9/15/96 (with SMTP)";
+static char sccsid[] = "@(#)usersmtp.c	8.75 (Berkeley) 11/6/96 (with SMTP)";
 #else
-static char sccsid[] = "@(#)usersmtp.c	8.72 (Berkeley) 9/15/96 (without SMTP)";
+static char sccsid[] = "@(#)usersmtp.c	8.75 (Berkeley) 11/6/96 (without SMTP)";
 #endif
 #endif /* not lint */
 
@@ -143,8 +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;
 
@@ -153,11 +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";
@@ -173,7 +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;
@@ -182,7 +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.
@@ -194,11 +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;
@@ -215,7 +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)
@@ -227,17 +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;
 }
@@ -387,7 +418,7 @@ smtpmailfrom(m, mci, e)
 		extern char MsgBuf[];
 
 		usrerr("%s does not support 8BITMIME", mci->mci_host);
-		mci_setstat(mci, "5.6.3", MsgBuf);
+		mci_setstat(mci, EX_DATAERR, "5.6.3", MsgBuf);
 		return EX_DATAERR;
 	}
 
@@ -447,17 +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, smtptodsn(r), SmtpReplyBuffer);
+		mci_setstat(mci, EX_TEMPFAIL, smtptodsn(r), SmtpReplyBuffer);
 		return EX_TEMPFAIL;
 	}
 	else if (REPLYTYPE(r) == 2)
@@ -467,25 +505,25 @@ smtpmailfrom(m, mci, e)
 	else if (r == 501)
 	{
 		/* syntax error in arguments */
-		mci_setstat(mci, "5.5.2", SmtpReplyBuffer);
+		mci_setstat(mci, EX_DATAERR, "5.5.2", SmtpReplyBuffer);
 		return EX_DATAERR;
 	}
 	else if (r == 553)
 	{
 		/* mailbox name not allowed */
-		mci_setstat(mci, "5.1.3", SmtpReplyBuffer);
+		mci_setstat(mci, EX_DATAERR, "5.1.3", SmtpReplyBuffer);
 		return EX_DATAERR;
 	}
 	else if (r == 552)
 	{
 		/* exceeded storage allocation */
-		mci_setstat(mci, "5.2.2", SmtpReplyBuffer);
+		mci_setstat(mci, EX_UNAVAILABLE, "5.2.2", SmtpReplyBuffer);
 		return EX_UNAVAILABLE;
 	}
 	else if (REPLYTYPE(r) == 5)
 	{
 		/* unknown error */
-		mci_setstat(mci, "5.0.0", SmtpReplyBuffer);
+		mci_setstat(mci, EX_UNAVAILABLE, "5.0.0", SmtpReplyBuffer);
 		return EX_UNAVAILABLE;
 	}
 
@@ -499,7 +537,7 @@ smtpmailfrom(m, mci, e)
 #endif
 
 	/* protocol error -- close up */
-	mci_setstat(mci, "5.5.1", SmtpReplyBuffer);
+	mci_setstat(mci, EX_PROTOCOL, "5.5.1", SmtpReplyBuffer);
 	smtpquit(m, mci, e);
 	return EX_PROTOCOL;
 }
@@ -536,7 +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;
 
@@ -622,6 +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:
@@ -642,6 +682,7 @@ smtpdata(m, mci, e)
 {
 	register int r;
 	register EVENT *ev;
+	int rstat;
 	time_t timeout;
 
 	/*
@@ -690,8 +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;
@@ -720,8 +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;
 	}
@@ -734,8 +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)
 	{
@@ -743,16 +788,22 @@ smtpdata(m, mci, e)
 		return EX_TEMPFAIL;
 	}
 	mci->mci_state = MCIS_OPEN;
-	mci_setstat(mci, smtptodsn(r), SmtpReplyBuffer);
-	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)
 	{
@@ -761,7 +812,7 @@ smtpdata(m, mci, e)
 			shortenstring(SmtpReplyBuffer, 403));
 	}
 #endif
-	return EX_PROTOCOL;
+	return rstat;
 }
 
 
@@ -771,10 +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.
@@ -927,6 +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)
@@ -937,10 +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))
diff --git a/usr.sbin/sendmail/src/util.c b/usr.sbin/sendmail/src/util.c
index 2136d3c..c3eb822 100644
--- a/usr.sbin/sendmail/src/util.c
+++ b/usr.sbin/sendmail/src/util.c
@@ -33,7 +33,7 @@
  */
 
 #ifndef lint
-static char sccsid[] = "@(#)util.c	8.105 (Berkeley) 10/12/96";
+static char sccsid[] = "@(#)util.c	8.109 (Berkeley) 11/16/96";
 #endif /* not lint */
 
 # include "sendmail.h"
@@ -1012,6 +1012,15 @@ putxline(l, mci, pxflags)
 			if (TrafficLogFile != NULL)
 				(void) putc('.', TrafficLogFile);
 		}
+		else if (l[0] == 'F' && slop == 0 &&
+			 bitset(PXLF_MAPFROM, pxflags) &&
+			 strncmp(l, "From ", 5) == 0 &&
+			 bitnset(M_ESCFROM, mci->mci_mailer->m_flags))
+		{
+			(void) putc('>', mci->mci_out);
+			if (TrafficLogFile != NULL)
+				(void) putc('>', TrafficLogFile);
+		}
 		if (TrafficLogFile != NULL)
 			fprintf(TrafficLogFile, "%.*s\n", p - l, l);
 		for ( ; l < p; ++l)
@@ -2197,6 +2206,7 @@ proc_list_add(pid)
 	pid_t pid;
 {
 	int i;
+	extern void proc_list_probe __P((void));
 
 	for (i = 0; i < ProcListSize; i++)
 	{
@@ -2205,6 +2215,18 @@ proc_list_add(pid)
 	}
 	if (i >= ProcListSize)
 	{
+		/* probe the existing vector to avoid growing infinitely */
+		proc_list_probe();
+
+		/* now scan again */
+		for (i = 0; i < ProcListSize; i++)
+		{
+			if (ProcListVec[i] == NO_PID)
+				break;
+		}
+	}
+	if (i >= ProcListSize)
+	{
 		/* grow process list */
 		pid_t *npv;
 
@@ -2244,8 +2266,42 @@ proc_list_drop(pid)
 		if (ProcListVec[i] == pid)
 		{
 			ProcListVec[i] = NO_PID;
-			CurChildren--;
 			break;
 		}
 	}
+	if (CurChildren > 0)
+		CurChildren--;
+}
+/*
+**  PROC_LIST_PROBE -- probe processes in the list to see if they still exist
+**
+**	Parameters:
+**		none
+**
+**	Returns:
+**		none
+*/
+
+void
+proc_list_probe()
+{
+	int i;
+
+	for (i = 0; i < ProcListSize; i++)
+	{
+		if (ProcListVec[i] == NO_PID)
+			continue;
+		if (kill(ProcListVec[i], 0) < 0)
+		{
+#ifdef LOG
+			if (LogLevel > 3)
+				syslog(LOG_DEBUG, "proc_list_probe: lost pid %d",
+					ProcListVec[i]);
+#endif
+			ProcListVec[i] = NO_PID;
+			CurChildren--;
+		}
+	}
+	if (CurChildren < 0)
+		CurChildren = 0;
 }