Import sendmail-8.9.1 (slightly trimmed) onto a fresh branch under

src/contrib as per various discussions.  I will copy across our changes
and then point the Makefiles across once the dust has settled..

4 files changed, 875 insertions, 0 deletions

diff --git a/contrib/sendmail/praliases/Build b/contrib/sendmail/praliases/Build
new file mode 100755
index 0000000..ab8a49d
--- /dev/null
+++ b/contrib/sendmail/praliases/Build
@@ -0,0 +1,513 @@
+#!/bin/sh
+
+# Copyright (c) 1998 Sendmail, Inc.  All rights reserved.
+# Copyright (c) 1993, 1996-1997 Eric P. Allman.  All rights reserved.
+# Copyright (c) 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.
+#
+#
+#       @(#)Build	8.93 (Berkeley) 6/24/98
+#
+
+#
+#  A quick-and-dirty script to compile sendmail and related programs
+#  in the presence of multiple architectures.  To use, just use
+#  "sh Build".
+#
+
+trap "rm -f $obj/.settings$$; exit" 1 2 3 15
+
+cflag=""
+mflag=""
+sflag=""
+makeargs=""
+libdirs=""
+incdirs=""
+libsrch=""
+siteconfig=""
+EX_USAGE=64
+EX_NOINPUT=66
+EX_UNAVAILABLE=69
+
+while [ ! -z "$1" ]
+do
+	case $1
+	in
+	  -c)	# clean out existing $obj tree
+		cflag=1
+		shift
+		;;
+
+	  -m)	# show Makefile name only
+		mflag=1
+		shift
+		;;
+
+	  -E*)	# environment variables to pass into Build
+		arg=`echo $1 | sed 's/^-E//'`
+		if [ -z "$arg" ]
+		then
+		    shift   # move to argument
+		    arg=$1
+		fi
+		if [ -z "$arg" ]
+		then
+			echo "Empty -E flag" >&2
+			exit $EX_USAGE
+		else
+			case $arg
+			in
+			  *=*)	# check format
+				eval $arg
+				export `echo $arg | sed 's;=.*;;'`
+				;;
+			  *)	# bad format
+				echo "Bad format for -E argument ($arg)" >&2
+				exit $EX_USAGE
+				;;
+			esac
+			shift
+		fi
+		;;
+
+	  -L*)	# set up LIBDIRS
+		libdirs="$libdirs $1"
+		shift
+		;;
+
+	  -I*)	# set up INCDIRS
+		incdirs="$incdirs $1"
+		shift
+		;;
+
+	  -f*)	# select site config file
+		arg=`echo $1 | sed 's/^-f//'`
+		if [ -z "$arg" ]
+		then
+		    shift   # move to argument
+		    arg=$1
+		fi
+		if [ "$siteconfig" ]
+		then
+			echo "Only one -f flag allowed" >&2
+			exit $EX_USAGE
+		else
+			siteconfig=$arg
+			if [ -z "$siteconfig" ]
+			then
+				echo "Missing argument for -f flag" >&2
+				exit $EX_USAGE
+			elif [ ! -f "$siteconfig" ]
+			then
+				echo "${siteconfig}: File not found"
+				exit $EX_NOINPUT
+			else
+				shift	# move past argument
+			fi
+		fi
+		;;
+
+	  -S)	# skip auto-configure
+		sflag="-s"
+		shift
+		;;
+
+	  *)	# pass argument to make
+		makeargs="$makeargs \"$1\""
+		shift
+		;;
+	esac
+done
+
+#
+#  Do heuristic guesses !ONLY! for machines that do not have uname
+#
+if [ -d /NextApps -a ! -f /bin/uname -a ! -f /usr/bin/uname ]
+then
+	# probably a NeXT box
+	arch=`hostinfo | sed -n 's/.*Processor type: \([^ ]*\).*/\1/p'`
+	os=NeXT
+	rel=`hostinfo | sed -n 's/.*NeXT Mach \([0-9\.]*\).*/\1/p'`
+elif [ -f /usr/sony/bin/machine -a -f /etc/osversion ]
+then
+	# probably a Sony NEWS 4.x
+	os=NEWS-OS
+	rel=`awk '{ print $3}' /etc/osversion`
+	arch=`/usr/sony/bin/machine`
+elif [ -d /usr/omron -a -f /bin/luna ]
+then
+	# probably a Omron LUNA
+	os=LUNA
+	if [ -f /bin/luna1 ] && /bin/luna1
+	then
+		rel=unios-b
+		arch=luna1
+	elif [ -f /bin/luna2 ] && /bin/luna2
+	then
+		rel=Mach
+		arch=luna2
+	elif [ -f /bin/luna88k ] && /bin/luna88k
+	then
+		rel=Mach
+		arch=luna88k
+	fi
+elif [ -d /usr/apollo -a -d \`node_data ]
+then
+	# probably a Apollo/DOMAIN
+	os=DomainOS
+	arch=$ISP
+	rel=`/usr/apollo/bin/bldt | grep Domain | awk '{ print $4 }' | sed -e 's/,//g'`
+fi
+
+if [ ! "$arch" -a ! "$os" -a ! "$rel" ]
+then
+	arch=`uname -m | sed -e 's/ //g'`
+	os=`uname -s | sed -e 's/\//-/g' -e 's/ //g'`
+	rel=`uname -r | sed -e 's/(/-/g' -e 's/)//g'`
+fi
+
+#
+#  Tweak the values we have already got.  PLEASE LIMIT THESE to
+#  tweaks that are absolutely necessary because your system uname
+#  routine doesn't return something sufficiently unique.  Don't do
+#  it just because you don't like the name that is returned.  You
+#  can combine the architecture name with the os name to create a
+#  unique Makefile name.
+#
+
+# tweak machine architecture
+case $arch
+in
+  sun4*)	arch=sun4;;
+
+  9000/*)	arch=`echo $arch | sed -e 's/9000.//' -e 's/..$/xx/'`;;
+
+  DS/907000)	arch=ds90;;
+
+  NILE*)	arch=NILE
+		os=`uname -v`;;
+esac
+
+# tweak operating system type and release
+node=`uname -n | sed -e 's/\//-/g' -e 's/ //g'`
+if [ "$os" = "$node" -a "$arch" = "i386" -a "$rel" = 3.2 -a "`uname -v`" = 2 ]
+then
+	# old versions of SCO UNIX set uname -s the same as uname -n
+	os=SCO_SV
+fi
+if [ "$rel" = 4.0 ]
+then
+	case $arch in
+	  3[34]??|3[34]??,*)
+		if [ -d /usr/sadm/sysadm/add-ons/WIN-TCP ]
+		then
+			os=NCR.MP-RAS.2.x
+		elif [ -d /usr/sadm/sysadm/add-ons/inet ]
+		then
+			os=NCR.MP-RAS.3.x
+		fi
+		;;
+	esac
+fi
+
+case $os
+in
+  DYNIX-ptx)	os=PTX;;
+  Paragon*)	os=Paragon;;
+  HP-UX)	rel=`echo $rel | sed -e 's/^[^.]*\.0*//'`;;
+  AIX)		rela=$rel
+		rel=`uname -v`
+		case $rel in
+		  2)	arch=""
+			;;
+		  4)	if [ "$rela" = "3" ]
+			then
+				arch=$rela
+			fi
+			;;
+		esac
+		rel=$rel.$rela
+		;;
+  BSD-386)	os=BSD-OS;;
+  SCO_SV)	os=SCO; rel=`uname -X | sed -n 's/Release = 3.2v//p'`;;
+  UNIX_System_V) if [ "$arch" = "ds90" ]
+		then
+			os="UXPDS"
+			rel=`uname -v | sed -e 's/\(V.*\)L.*/\1/'`
+		fi;;
+  SINIX-?)	os=SINIX;;
+  DomainOS)	case $rel in
+		  10.4*)	rel=10.4;;
+		esac
+		;;
+esac
+
+# get "base part" of operating system release
+rroot=`echo $rel | sed -e 's/\.[^.]*$//'`
+rbase=`echo $rel | sed -e 's/\..*//'`
+if [ "$rroot" = "$rbase" ]
+then
+	rroot=$rel
+fi
+
+# heuristic tweaks to clean up names -- PLEASE LIMIT THESE!
+if [ "$os" = "unix" ]
+then
+	# might be Altos System V
+	case $rel
+	in
+	  5.3*)		os=Altos;;
+	esac
+elif [ -r /unix -a -r /usr/lib/libseq.a -a -r /lib/cpp ]
+then
+	# might be a DYNIX/ptx 2.x system, which has a broken uname
+	if strings /lib/cpp | grep _SEQUENT_ > /dev/null
+	then
+		os=PTX
+	fi
+elif [ -d /usr/nec ]
+then
+	# NEC machine -- what is it running?
+	if [ "$os" = "UNIX_System_V" ]
+	then
+		os=EWS-UX_V
+	elif [ "$os" = "UNIX_SV" ]
+	then
+		os=UX4800
+	fi
+elif [ "$arch" = "mips" ]
+then
+	case $rel
+	in
+	  4_*)
+		if [ `uname -v` = "UMIPS" ]
+		then
+			os=RISCos
+		fi;;
+	esac
+fi
+
+# see if there is a "user suffix" specified
+if [ "${SENDMAIL_SUFFIX-}x" = "x" ]
+then
+	sfx=""
+else
+	sfx=".${SENDMAIL_SUFFIX}"
+fi
+
+echo "Configuration: os=$os, rel=$rel, rbase=$rbase, rroot=$rroot, arch=$arch, sfx=$sfx"
+
+
+SMROOT=${SMROOT-..}
+BUILDTOOLS=${BUILDTOOLS-$SMROOT/BuildTools}
+export SMROOT BUILDTOOLS
+
+# see if we are in a Build-able directory
+if [ ! -f Makefile.m4 ]; then
+	echo "Makefile.m4 not found.  Build can only be run from a source directory."
+	exit $EX_UNAVAILABLE
+fi
+
+# now try to find a reasonable object directory
+if [ -r obj.$os.$rel.$arch$sfx ]; then
+	obj=obj.$os.$rel.$arch$sfx
+elif [ -r obj.$os.$rroot.$arch$sfx ]; then
+	obj=obj.$os.$rroot.$arch$sfx
+elif [ -r obj.$os.$rbase.x.$arch$sfx ]; then
+	obj=obj.$os.$rbase.x.$arch$sfx
+elif [ -r obj.$os.$rel$sfx ]; then
+	obj=obj.$os.$rel$sfx
+elif [ -r obj.$os.$rbase.x$sfx ]; then
+	obj=obj.$os.$rbase.x$sfx
+elif [ -r obj.$os.$arch$sfx ]; then
+	obj=obj.$os.$arch$sfx
+elif [ -r obj.$rel.$arch$sfx ]; then
+	obj=obj.$rel.$arch$sfx
+elif [ -r obj.$rbase.x.$arch$sfx ]; then
+	obj=obj.$rbase.x.$arch$sfx
+elif [ -r obj.$os$sfx ]; then
+	obj=obj.$os$sfx
+elif [ -r obj.$arch$sfx ]; then
+	obj=obj.$arch$sfx
+elif [ -r obj.$rel$sfx ]; then
+	obj=obj.$rel$sfx
+elif [ -r obj$sfx ]; then
+	obj=obj$sfx
+fi
+if [ -z "$obj" -o "$cflag" ]
+then
+	if [ -n "$obj" ]
+	then
+		echo "Clearing out existing $obj tree"
+		rm -rf $obj
+	else
+		# no existing obj directory -- try to create one if Makefile found
+		obj=obj.$os.$rel.$arch$sfx
+	fi
+	if [ -r $BUILDTOOLS/OS/$os.$rel.$arch$sfx ]; then
+		oscf=$os.$rel.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$rel.$arch ]; then
+		oscf=$os.$rel.$arch
+	elif [ -r $BUILDTOOLS/OS/$os.$rroot.$arch$sfx ]; then
+		oscf=$os.$rroot.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$rroot.$arch ]; then
+		oscf=$os.$rroot.$arch
+	elif [ -r $BUILDTOOLS/OS/$os.$rbase.x.$arch$sfx ]; then
+		oscf=$os.$rbase.x.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$rbase.x.$arch ]; then
+		oscf=$os.$rbase.x.$arch
+	elif [ -r $BUILDTOOLS/OS/$os.$rel$sfx ]; then
+		oscf=$os.$rel$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$rel ]; then
+		oscf=$os.$rel
+	elif [ -r $BUILDTOOLS/OS/$os.$rroot$sfx ]; then
+		oscf=$os.$rroot$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$rroot ]; then
+		oscf=$os.$rroot
+	elif [ -r $BUILDTOOLS/OS/$os.$rbase.x$sfx ]; then
+		oscf=$os.$rbase.x$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$rbase.x ]; then
+		oscf=$os.$rbase.x
+	elif [ -r $BUILDTOOLS/OS/$os.$arch$sfx ]; then
+		oscf=$os.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$os.$arch ]; then
+		oscf=$os.$arch
+	elif [ -r $BUILDTOOLS/OS/$rel.$arch$sfx ]; then
+		oscf=$rel.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$rel.$arch ]; then
+		oscf=$rel.$arch
+	elif [ -r $BUILDTOOLS/OS/$rroot.$arch$sfx ]; then
+		oscf=$rroot.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$rroot.$arch ]; then
+		oscf=$rroot.$arch
+	elif [ -r $BUILDTOOLS/OS/$rbase.x.$arch$sfx ]; then
+		oscf=$rbase.x.$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$rbase.x.$arch ]; then
+		oscf=$rbase.x.$arch
+	elif [ -r $BUILDTOOLS/OS/$os$sfx ]; then
+		oscf=$os$sfx
+	elif [ -r $BUILDTOOLS/OS/$os ]; then
+		oscf=$os
+	elif [ -r $BUILDTOOLS/OS/$arch$sfx ]; then
+		oscf=$arch$sfx
+	elif [ -r $BUILDTOOLS/OS/$arch ]; then
+		oscf=$arch
+	elif [ -r $BUILDTOOLS/OS/$rel$sfx ]; then
+		oscf=$rel$sfx
+	elif [ -r $BUILDTOOLS/OS/$rel ]; then
+		oscf=$rel
+	elif [ -r $BUILDTOOLS/OS/$rel$sfx ]; then
+		oscf=$rel$sfx
+	else
+		echo "Cannot determine how to support $arch.$os.$rel" >&2
+		exit $EX_UNAVAILABLE
+	fi
+	M4=`sh $BUILDTOOLS/bin/find_m4.sh`
+	ret=$?
+	if [ $ret -ne 0 ]
+	then
+		exit $ret
+	fi
+	echo "Using M4=$M4"
+	export M4
+	if [ "$mflag" ]
+	then
+		echo "Will run in virgin $obj using $BUILDTOOLS/OS/$oscf"
+		exit 0
+	fi
+	if [ "$ABI" ]
+	then
+		echo "Using ABI $ABI"
+	fi
+	echo "Creating $obj using $BUILDTOOLS/OS/$oscf"
+	mkdir $obj
+	(cd $obj; ln -s ../*.[ch158] .)
+	if [ -f sendmail.hf ]
+	then
+		(cd $obj; ln -s ../sendmail.hf .)
+	fi
+
+	rm -f $obj/.settings$$
+	echo 'divert(-1)' > $obj/.settings$$
+	cat $BUILDTOOLS/M4/header.m4 >> $obj/.settings$$
+	if [ "$ABI" ]
+	then
+		echo "define(\`confABI', \`$ABI')" >> $obj/.settings$$
+	fi
+	cat $BUILDTOOLS/OS/$oscf >> $obj/.settings$$
+
+	if [ -z "$siteconfig" ]
+	then
+		# none specified, use defaults
+		if [ -f $BUILDTOOLS/Site/site.$oscf$sfx.m4 ]
+		then
+			siteconfig=$BUILDTOOLS/Site/site.$oscf$sfx.m4
+		elif [ -f $BUILDTOOLS/Site/site.$oscf.m4 ]
+		then
+			siteconfig=$BUILDTOOLS/Site/site.$oscf.m4
+		fi
+		if [ -f $BUILDTOOLS/Site/site.config.m4 ]
+		then
+			siteconfig="$BUILDTOOLS/Site/site.config.m4 $siteconfig"
+		fi
+	fi
+	if [ ! -z "$siteconfig" ]
+	then
+		echo "Including $siteconfig"
+		cat $siteconfig >> $obj/.settings$$
+	fi
+	if [ "$libdirs" ]
+	then
+		echo "define(\`confLIBDIRS', confLIBDIRS \`\`$libdirs'')" >> $obj/.settings$$
+	fi
+	if [ "$incdirs" ]
+	then
+		echo "define(\`confINCDIRS', confINCDIRS \`\`$incdirs'')" >> $obj/.settings$$
+	fi
+	echo 'divert(0)dnl' >> $obj/.settings$$
+	libdirs=`(cat $obj/.settings$$; echo "_SRIDBIL_= confLIBDIRS" ) | \
+		sed -e 's/\(.\)include/\1_include_/g' -e 's/#define/#_define_/g' | \
+		${M4} -DconfBUILDTOOLSDIR=$BUILDTOOLS - | \
+		grep "^_SRIDBIL_=" | \
+		sed -e 's/#_define_/#define/g' -e 's/_include_/include/g' -e "s/^_SRIDBIL_=//"`
+	libsrch=`(cat $obj/.settings$$; echo "_HCRSBIL_= confLIBSEARCH" ) | \
+		sed -e 's/\(.\)include/\1_include_/g' -e 's/#define/#_define_/g' | \
+		${M4} -DconfBUILDTOOLSDIR=$BUILDTOOLS - | \
+		grep "^_HCRSBIL_=" | \
+		sed -e 's/#_define_/#define/g' -e 's/_include_/include/g' -e "s/^_HCRSBIL_=//"`
+	echo 'divert(-1)' >> $obj/.settings$$
+	LIBDIRS="$libdirs" LIBSRCH="$libsrch" SITECONFIG="$siteconfig" sh $BUILDTOOLS/bin/configure.sh $sflag $oscf >> $obj/.settings$$
+	echo 'divert(0)dnl' >> $obj/.settings$$
+	sed -e 's/\(.\)include/\1_include_/g' -e 's/#define/#_define_/g' $obj/.settings$$ | \
+		${M4} -DconfBUILDTOOLSDIR=$BUILDTOOLS - Makefile.m4 | \
+		sed -e 's/#_define_/#define/g' -e 's/_include_/include/g' > $obj/Makefile
+	if [ $? -ne 0 -o ! -s $obj/Makefile ]
+	then
+		echo "ERROR: ${M4} failed; You may need a newer version of M4, at least as new as System V or GNU" 1>&2
+		rm -rf $obj
+		exit $EX_UNAVAILABLE
+	fi
+	rm -f $obj/.settings$$
+	echo "Making dependencies in $obj"
+	(cd $obj; ${MAKE-make} depend)
+fi
+
+if [ "$mflag" ]
+then
+	makefile=`ls -l $obj/Makefile | sed 's/.* //'`
+	if [ -z "$makefile" ]
+	then
+		echo "ERROR: $obj exists but has no Makefile" >&2
+		exit $EX_NOINPUT
+	fi
+	echo "Will run in existing $obj using $makefile"
+	exit 0
+fi
+
+echo "Making in $obj"
+cd $obj
+eval exec ${MAKE-make} $makeargs
diff --git a/contrib/sendmail/praliases/Makefile.m4 b/contrib/sendmail/praliases/Makefile.m4
new file mode 100644
index 0000000..a4a2e61
--- /dev/null
+++ b/contrib/sendmail/praliases/Makefile.m4
@@ -0,0 +1,104 @@
+#
+#  This Makefile is designed to work on the old "make" program.
+#
+#	@(#)Makefile.m4	8.15	(Berkeley)	6/4/98
+#
+
+# C compiler
+CC=	confCC
+
+# Shell
+SHELL=	confSHELL
+
+# use O=-O (usual) or O=-g (debugging)
+O=	ifdef(`confOPTIMIZE', `confOPTIMIZE', `-O')
+
+# location of sendmail source directory
+SRCDIR=	ifdef(`confSRCDIR', `confSRCDIR', `../../src')
+
+# define the database mechanisms available for map & alias lookups:
+#	-DNDBM -- use new DBM
+#	-DNEWDB -- use new Berkeley DB
+# The really old (V7) DBM library is no longer supported.
+#
+MAPDEF=	ifdef(`confMAPDEF', `confMAPDEF')
+
+# environment definitions (e.g., -D_AIX3)
+ENVDEF=	ifdef(`confENVDEF', `confENVDEF')
+
+# see also conf.h for additional compilation flags
+
+# include directories
+INCDIRS=-I${SRCDIR} confINCDIRS
+
+# loader options
+LDOPTS=	ifdef(`confLDOPTS', `confLDOPTS')
+
+# library directories
+LIBDIRS=confLIBDIRS
+
+# libraries required on your system
+LIBS=	ifdef(`confLIBS', `confLIBS')
+
+# location of praliases binary (usually /usr/sbin or /usr/etc)
+BINDIR=	${DESTDIR}ifdef(`confSBINDIR', `confSBINDIR', `/usr/sbin')
+
+# additional .o files needed
+OBJADD=	ifdef(`confOBJADD', `confOBJADD')
+
+undivert(1)
+
+###################  end of user configuration flags  ######################
+
+BUILDBIN=confBUILDBIN
+COPTS=	-I. ${INCDIRS} ${MAPDEF} ${ENVDEF}
+CFLAGS=	$O ${COPTS}
+
+BEFORE= confBEFORE
+OBJS=	praliases.o ${OBJADD}
+
+NROFF=	ifdef(`confNROFF', `confNROFF', `groff -Tascii')
+MANDOC=	ifdef(`confMANDOC', `confMANDOC', `-mandoc')
+
+INSTALL=ifdef(`confINSTALL', `confINSTALL', `install')
+BINOWN=	ifdef(`confUBINOWN', `confUBINOWN', `bin')
+BINGRP=	ifdef(`confUBINGRP', `confUBINGRP', `bin')
+BINMODE=ifdef(`confUBINMODE', `confUBINMODE', `555')
+
+MANOWN=	ifdef(`confMANOWN', `confMANOWN', `bin')
+MANGRP=	ifdef(`confMANGRP', `confMANGRP', `bin')
+MANMODE=ifdef(`confMANMODE', `confMANMODE', `444')
+
+MANROOT=${DESTDIR}ifdef(`confMANROOT', `confMANROOT', `/usr/share/man/cat')
+MAN8=	${MANROOT}ifdef(`confMAN8', `confMAN8', `8')
+MAN8EXT=ifdef(`confMAN8EXT', `confMAN8EXT', `8')
+MAN8SRC=ifdef(`confMAN8SRC', `confMAN8SRC', `0')
+
+ALL=	praliases praliases.${MAN8SRC}
+
+all: ${ALL}
+
+praliases: ${BEFORE} ${OBJS}
+	${CC} -o praliases ${LDOPTS} ${OBJS} ${LIBDIRS} ${LIBS}
+
+undivert(3)
+
+praliases.${MAN8SRC}: praliases.8
+	${NROFF} ${MANDOC} praliases.8 > praliases.${MAN8SRC}
+
+install: install-praliases install-docs
+
+install-praliases: praliases
+	${INSTALL} -c -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} praliases ${BINDIR}
+
+install-docs: praliases.${MAN8SRC}
+ifdef(`confNO_MAN_INSTALL', `dnl',
+`	${INSTALL} -c -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} praliases.${MAN8SRC} ${MAN8}/praliases.${MAN8EXT}')
+
+clean:
+	rm -f ${OBJS} praliases praliases.${MAN8SRC}
+
+################  Dependency scripts
+include(confBUILDTOOLSDIR/M4/depend/ifdef(`confDEPEND_TYPE', `confDEPEND_TYPE',
+`generic').m4)dnl
+################  End of dependency scripts
diff --git a/contrib/sendmail/praliases/praliases.8 b/contrib/sendmail/praliases/praliases.8
new file mode 100644
index 0000000..f4712184
--- /dev/null
+++ b/contrib/sendmail/praliases/praliases.8
@@ -0,0 +1,49 @@
+.\" Copyright (c) 1998 Sendmail, Inc.  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.
+.\"
+.\"
+.\"	@(#)praliases.8	8.5 (Berkeley) 5/19/98
+.\"
+.Dd April 25, 1996
+.Dt PRALIASES 1
+.Os BSD 3
+.Sh NAME
+.Nm praliases
+.Nd display system mail aliases
+.Sh SYNOPSIS
+.Nm praliases
+.Op Fl f Ar file
+.Sh DESCRIPTION
+The
+.Nm praliases
+utility displays the current system aliases,
+one per line, in no particular order.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl f
+Read the specified file instead of the default
+.Nm sendmail
+system aliases file.
+.El
+.Pp
+The
+.Nm praliases
+utility exits 0 on success, and >0 if an error occurs.
+.Sh FILES
+.Bl -tag -width /var/log/sendmail.stXX -compact
+.It Pa /etc/aliases
+The default
+.Nm sendmail
+system aliases file.
+.It Pa /etc/aliases.db
+The database version of the
+.Pa /etc/aliases
+file.
+.El
+.Sh SEE ALSO
+.Xr mailq 1 ,
+.Xr sendmail 8
diff --git a/contrib/sendmail/praliases/praliases.c b/contrib/sendmail/praliases/praliases.c
new file mode 100644
index 0000000..3e0048b
--- /dev/null
+++ b/contrib/sendmail/praliases/praliases.c
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 1998 Sendmail, Inc.  All rights reserved.
+ * Copyright (c) 1983 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 copyright[] =
+"@(#) Copyright (c) 1988, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)praliases.c	8.17 (Berkeley) 6/25/98";
+#endif /* not lint */
+
+#if !defined(NDBM) && !defined(NEWDB)
+  ERROR README:	You must define one of NDBM or NEWDB in order to compile
+  ERROR README:	praliases.
+#endif
+
+#ifdef NDBM
+# include <ndbm.h>
+#endif
+#ifndef NOT_SENDMAIL
+# define NOT_SENDMAIL
+#endif
+#include <sendmail.h>
+#ifdef NEWDB
+# include <db.h>
+# ifndef DB_VERSION_MAJOR
+#  define DB_VERSION_MAJOR 1
+# endif
+#endif
+
+#if defined(IRIX64) || defined(IRIX5) || defined(IRIX6) || \
+    defined(BSD4_4) || defined(__osf__) || defined(__GNU_LIBRARY__)
+# ifndef HASSTRERROR
+#  define HASSTRERROR	1	/* has strerror(3) */
+# endif
+#endif
+
+#if !HASSTRERROR
+extern char	*strerror __P((int));
+#endif
+
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	extern char *optarg;
+	extern int optind;
+#ifdef NDBM
+	DBM *dbp;
+	datum content, key;
+#endif
+	char *filename;
+	int ch;
+#ifdef NEWDB
+	DB *db;
+	DBT newdbkey, newdbcontent;
+	char buf[MAXNAME];
+#endif
+
+	filename = "/etc/aliases";
+	while ((ch = getopt(argc, argv, "f:")) != EOF)
+		switch((char)ch) {
+		case 'f':
+			filename = optarg;
+			break;
+		case '?':
+		default:
+			(void)fprintf(stderr, "usage: praliases [-f file]\n");
+			exit(EX_USAGE);
+		}
+	argc -= optind;
+	argv += optind;
+
+#ifdef NEWDB
+	if (strlen(filename) + 4 >= sizeof buf)
+	{
+		fprintf(stderr, "Alias filename too long: %.30s...\n", filename);
+		exit(EX_USAGE);
+	}
+	(void) strcpy(buf, filename);
+	(void) strcat(buf, ".db");
+# if DB_VERSION_MAJOR < 2
+	db = dbopen(buf, O_RDONLY, 0444, DB_HASH, NULL);
+# else
+	db = NULL;
+	errno = db_open(buf, DB_HASH, DB_RDONLY, 0444, NULL, NULL, &db);
+# endif
+	if (db != NULL)
+	{
+		if (!argc) {
+# if DB_VERSION_MAJOR > 1
+			DBC *dbc;
+# endif
+			bzero(&newdbkey, sizeof newdbkey);
+			bzero(&newdbcontent, sizeof newdbcontent);
+
+# if DB_VERSION_MAJOR < 2
+			while(!db->seq(db, &newdbkey, &newdbcontent, R_NEXT))
+# else
+			if ((errno = db->cursor(db, NULL, &dbc)) == 0)
+			{
+				while ((errno = dbc->c_get(dbc, &newdbkey,
+							   &newdbcontent,
+							   DB_NEXT)) == 0)
+# endif
+				printf("%.*s:%.*s\n",
+					(int) newdbkey.size,
+					(char *) newdbkey.data,
+					(int) newdbcontent.size,
+					(char *) newdbcontent.data);
+# if DB_VERSION_MAJOR > 1
+				(void) dbc->c_close(dbc);
+			}
+			else
+			{
+				fprintf(stderr,
+					"praliases: %s: Could not set cursor: %s\n",
+					buf, strerror(errno));
+				exit(EX_DATAERR);
+			}
+# endif
+		}
+		else for (; *argv; ++argv) {
+			bzero(&newdbkey, sizeof newdbkey);
+			bzero(&newdbcontent, sizeof newdbcontent);
+			newdbkey.data = *argv;
+			newdbkey.size = strlen(*argv) + 1;
+# if DB_VERSION_MAJOR < 2
+			if (!db->get(db, &newdbkey, &newdbcontent, 0))
+# else
+			if ((errno = db->get(db, NULL, &newdbkey,
+					     &newdbcontent, 0)) == 0)
+# endif
+				printf("%s:%.*s\n", (char *) newdbkey.data,
+					(int) newdbcontent.size,
+					(char *) newdbcontent.data);
+			else
+				printf("%s: No such key\n",
+					(char *) newdbkey.data);
+		}
+# if DB_VERSION_MAJOR < 2
+		(void)db->close(db);
+# else
+		errno = db->close(db, 0);
+# endif
+	}
+	else {
+#endif
+#ifdef NDBM
+		if ((dbp = dbm_open(filename, O_RDONLY, 0)) == NULL) {
+			(void)fprintf(stderr,
+			    "praliases: %s: %s\n", filename, strerror(errno));
+			exit(EX_OSFILE);
+		}
+		if (!argc)
+			for (key = dbm_firstkey(dbp);
+			    key.dptr != NULL; key = dbm_nextkey(dbp)) {
+				content = dbm_fetch(dbp, key);
+				(void)printf("%.*s:%.*s\n",
+					(int) key.dsize, key.dptr,
+					(int) content.dsize, content.dptr);
+			}
+		else for (; *argv; ++argv) {
+			key.dptr = *argv;
+			key.dsize = strlen(*argv) + 1;
+			content = dbm_fetch(dbp, key);
+			if (!content.dptr)
+				(void)printf("%s: No such key\n", key.dptr);
+			else
+				(void)printf("%s:%.*s\n", key.dptr,
+					(int) content.dsize, content.dptr);
+		}
+		dbm_close(dbp);
+#endif
+#ifdef NEWDB
+	}
+#endif
+	exit(EX_OK);
+}
+
+#if !HASSTRERROR
+
+char *
+strerror(eno)
+	int eno;
+{
+	extern int sys_nerr;
+	extern char *sys_errlist[];
+	static char ebuf[60];
+
+	if (eno >= 0 && eno < sys_nerr)
+		return sys_errlist[eno];
+	(void) sprintf(ebuf, "Error %d", eno);
+	return ebuf;
+}
+
+#endif /* !HASSTRERROR */