New revision for FreeBSD support, bug #235785

(Portage version: 2.2.0_alpha20/cvs/Linux x86_64)

3 files changed, 589 insertions, 1 deletions

diff --git a/mail-mta/exim/ChangeLog b/mail-mta/exim/ChangeLog
index 7582eac746d5..3014479c2cb8 100644
--- a/mail-mta/exim/ChangeLog
+++ b/mail-mta/exim/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for mail-mta/exim
 # Copyright 1999-2011 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/mail-mta/exim/ChangeLog,v 1.182 2011/02/12 17:13:35 armin76 Exp $
+# $Header: /var/cvsroot/gentoo-x86/mail-mta/exim/ChangeLog,v 1.183 2011/02/13 20:31:26 grobian Exp $
+
+*exim-4.74-r2 (13 Feb 2011)
+
+  13 Feb 2011; Fabian Groffen <grobian@gentoo.org> +exim-4.74-r2.ebuild,
+  +files/exim-4.74-localscan_dlopen.patch:
+  New revision for FreeBSD support, bug #235785
 
   12 Feb 2011; Raúl Porcel <armin76@gentoo.org> exim-4.74-r1.ebuild:
   ia64/sparc stable wrt #353352
diff --git a/mail-mta/exim/exim-4.74-r2.ebuild b/mail-mta/exim/exim-4.74-r2.ebuild
new file mode 100644
index 000000000000..4c923c4492aa
--- /dev/null
+++ b/mail-mta/exim/exim-4.74-r2.ebuild
@@ -0,0 +1,320 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/mail-mta/exim/exim-4.74-r2.ebuild,v 1.1 2011/02/13 20:31:26 grobian Exp $
+
+EAPI="3"
+
+inherit eutils toolchain-funcs multilib pam
+
+IUSE="tcpd ssl postgres mysql ldap pam exiscan-acl lmtp ipv6 sasl dnsdb perl mbx X nis syslog spf srs gnutls sqlite dovecot-sasl radius maildir +dkim dcc dsn"
+
+DSN_EXIM_V=469
+DSN_V=1_3
+
+DESCRIPTION="A highly configurable, drop-in replacement for sendmail"
+SRC_URI="ftp://ftp.exim.org/pub/exim/exim4/${P}.tar.bz2
+	mirror://gentoo/system_filter.exim.gz
+	dsn? ( mirror://sourceforge/eximdsn/eximdsn-patch-1.3/exim_${DSN_EXIM_V}_dsn_${DSN_V}.patch )"
+HOMEPAGE="http://www.exim.org/"
+
+SLOT="0"
+LICENSE="GPL-2"
+KEYWORDS="~alpha ~amd64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86"
+
+PROVIDE="virtual/mta"
+
+DEPEND=">=sys-apps/sed-4.0.5
+	>=sys-libs/db-3.2
+	dev-libs/libpcre
+	perl? ( sys-devel/libperl )
+	pam? ( virtual/pam )
+	tcpd? ( sys-apps/tcp-wrappers )
+	ssl? ( >=dev-libs/openssl-0.9.6 )
+	gnutls? ( net-libs/gnutls
+			  dev-libs/libtasn1 )
+	ldap? ( >=net-nds/openldap-2.0.7 )
+	mysql? ( virtual/mysql )
+	postgres? ( dev-db/postgresql-base )
+	sasl? ( >=dev-libs/cyrus-sasl-2.1.14 )
+	spf? ( >=mail-filter/libspf2-1.2.5-r1 )
+	srs? ( mail-filter/libsrs_alt )
+	X? ( x11-proto/xproto
+		x11-libs/libX11
+		x11-libs/libXmu
+		x11-libs/libXt
+		x11-libs/libXaw
+	)
+	sqlite? ( dev-db/sqlite )
+	radius? ( net-dialup/radiusclient )
+	virtual/libiconv
+	"
+	# added X check for #57206
+RDEPEND="${DEPEND}
+	!virtual/mta
+	!net-mail/mailwrapper
+	>=net-mail/mailbase-0.00-r5
+	virtual/logger
+	dcc? ( mail-filter/dcc )
+	"
+
+src_prepare() {
+	epatch "${FILESDIR}"/exim-4.14-tail.patch
+	epatch "${FILESDIR}"/exim-4.74-localscan_dlopen.patch
+	epatch "${FILESDIR}"/exim-4.69-r1.27021.patch
+	epatch "${FILESDIR}"/exim-4.74-radius-db-ENV-clash.patch # 287426
+	# from upstream
+	epatch "${FILESDIR}"/${P}-pcre.patch
+	epatch "${FILESDIR}"/${P}-makefile-posix.patch
+	epatch "${FILESDIR}"/${P}-makefile-command-envs.patch
+
+	use maildir && epatch "${FILESDIR}"/exim-4.20-maildir.patch
+	use dsn && epatch "${DISTDIR}"/exim_${DSN_EXIM_V}_dsn_${DSN_V}.patch
+}
+
+src_configure() {
+	local myconf
+
+	sed -i "/SYSTEM_ALIASES_FILE/ s'SYSTEM_ALIASES_FILE'${EPREFIX}/etc/mail/aliases'" "${S}"/src/configure.default
+	cp "${S}"/src/configure.default "${S}"/src/configure.default.orig
+
+	sed -e "48i\CFLAGS=${CFLAGS}" \
+		-e "s:# AUTH_CRAM_MD5=yes:AUTH_CRAM_MD5=yes:" \
+		-e "s:# AUTH_PLAINTEXT=yes:AUTH_PLAINTEXT=yes:" \
+		-e "s:BIN_DIRECTORY=/usr/exim/bin:BIN_DIRECTORY=${EPREFIX}/usr/sbin:" \
+		-e "s:COMPRESS_COMMAND=/usr/bin/gzip:COMPRESS_COMMAND=${EPREFIX}/bin/gzip:" \
+		-e "s:ZCAT_COMMAND=/usr/bin/zcat:ZCAT_COMMAND=${EPREFIX}/bin/zcat:" \
+		-e "s:CONFIGURE_FILE=/usr/exim/configure:CONFIGURE_FILE=${EPREFIX}/etc/exim/exim.conf:" \
+		-e "s:EXIM_MONITOR=eximon.bin:# EXIM_MONITOR=eximon.bin:" \
+		-e "s:# INFO_DIRECTORY=/usr/local/info:INFO_DIRECTORY=${EPREFIX}/usr/share/info:" \
+		-e "s:# LOG_FILE_PATH=/var/log/exim_%slog:LOG_FILE_PATH=${EPREFIX}/var/log/exim/exim_%s.log:" \
+		-e "s:# PID_FILE_PATH=/var/lock/exim.pid:PID_FILE_PATH=${EPREFIX}/var/run/exim.pid:" \
+		-e "s:# SPOOL_DIRECTORY=/var/spool/exim:SPOOL_DIRECTORY=${EPREFIX}/var/spool/exim:" \
+		-e "s:# SUPPORT_MAILDIR=yes:SUPPORT_MAILDIR=yes:" \
+		-e "s:# SUPPORT_MAILSTORE=yes:SUPPORT_MAILSTORE=yes:" \
+		-e "s:EXIM_USER=:EXIM_USER=mail:" \
+		-e "s:# AUTH_SPA=yes:AUTH_SPA=yes:" \
+		-e "s:^ZCAT_COMMAND.*$:ZCAT_COMMAND=${EPREFIX}/bin/zcat:" \
+		-e "s:# LOOKUP_PASSWD=yes:LOOKUP_PASSWD=yes:" \
+		src/EDITME > Local/Makefile
+
+	# exiscan-acl is now integrated - enable it when use-flag set
+	if use exiscan-acl; then
+		sed -i "s:# WITH_CONTENT_SCAN=yes:WITH_CONTENT_SCAN=yes:" Local/Makefile
+		sed -i "s:# WITH_OLD_DEMIME=yes:WITH_OLD_DEMIME=yes:" Local/Makefile
+	elif (use spf || use srs ) then
+		eerror SPF and SRS support require exiscan-acl to be enabled, please add
+		eerror to your USE settings.
+		exit 1
+	fi
+
+	if use spf; then
+		myconf="${myconf} -lspf2"
+		sed -i "s:# EXPERIMENTAL_SPF=yes:EXPERIMENTAL_SPF=yes:" Local/Makefile
+		mycflags="${mycflags} -DEXPERIMENTAL_SPF"
+	fi
+	if use srs; then
+		myconf="${myconf} -lsrs_alt"
+		sed -i "s:# EXPERIMENTAL_SRS=yes:EXPERIMENTAL_SRS=yes:" Local/Makefile
+	fi
+
+	cd Local
+	# enable optional exim_monitor support via X use flag bug #46778
+	if use X; then
+		einfo "Configuring eximon"
+		cp ../exim_monitor/EDITME eximon.conf
+		sed -i "s:# EXIM_MONITOR=eximon.bin:EXIM_MONITOR=eximon.bin:" Makefile
+	fi
+	if use perl; then
+		sed -i "s:# EXIM_PERL=perl.o:EXIM_PERL=perl.o:" Makefile
+	fi
+	# mbox useflag renamed, see bug #110741
+	if use mbx; then
+		sed -i "s:# SUPPORT_MBX=yes:SUPPORT_MBX=yes:" Makefile
+	fi
+	if use pam; then
+		sed -i "s:# \(SUPPORT_PAM=yes\):\1:" Makefile
+		myconf="${myconf} -lpam"
+	fi
+	if use sasl; then
+		sed -i "s:# CYRUS_SASLAUTHD_SOCKET=${EPREFIX}/var/state/saslauthd/mux:CYRUS_SASLAUTHD_SOCKET=${EPREFIX}/var/lib/sasl2/mux:"  Makefile
+		sed -i "s:# AUTH_CYRUS_SASL=yes:AUTH_CYRUS_SASL=yes:" Makefile
+		myconf="${myconf} -lsasl2"
+	fi
+	if use tcpd; then
+		sed -i "s:# \(USE_TCP_WRAPPERS=yes\):\1:" Makefile
+		myconf="${myconf} -lwrap"
+	fi
+	if use lmtp; then
+		sed -i "s:# \(TRANSPORT_LMTP=yes\):\1:" Makefile
+	fi
+	if use ipv6; then
+		echo "HAVE_IPV6=YES" >> Makefile
+		# to fix bug #41196
+		echo "IPV6_USE_INET_PTON=yes" >> Makefile
+	fi
+	if use dovecot-sasl; then
+		sed -i "s:# AUTH_DOVECOT=yes:AUTH_DOVECOT=yes:" Makefile
+	fi
+	if use radius; then
+		myconf="${myconf} -lradiusclient"
+		sed -i "s:# RADIUS_CONFIG_FILE=/etc/radiusclient/radiusclient.conf:RADIUS_CONFIG_FILE=${EPREFIX}/etc/radiusclient/radiusclient.conf:" Makefile
+		sed -i "s:# RADIUS_LIB_TYPE=RADIUSCLIENT$:RADIUS_LIB_TYPE=RADIUSCLIENT:" Makefile
+	fi
+	echo "EXTRALIBS=${myconf} ${LDFLAGS}" >> Makefile
+
+	# make iconv usage explicit
+	echo "HAVE_ICONV=yes" >> Makefile
+	# if we use libiconv, now is the time to tell so
+	use !elibc_glibc && echo "EXTRALIBS_EXIM=-liconv" >> Makefile
+
+	cd "${S}"
+	if use ssl; then
+		sed -i \
+			-e "s:# \(SUPPORT_TLS=yes\):\1:" Local/Makefile
+		if use gnutls; then
+			sed -i \
+				-e "s:# \(USE_GNUTLS=yes\):\1:" \
+				-e "s:# \(TLS_LIBS=-lgnutls -ltasn1 -lgcrypt\):\1:" Local/Makefile
+		else
+			sed -i \
+				-e "s:# \(TLS_LIBS=-lssl -lcrypto\):\1:" Local/Makefile
+		fi
+	fi
+
+	LOOKUP_INCLUDE=
+	LOOKUP_LIBS=
+
+	if use ldap; then
+		sed -i \
+			-e "s:# \(LOOKUP_LDAP=yes\):\1:" \
+			-e "s:# \(LDAP_LIB_TYPE=OPENLDAP2\):\1:" Local/Makefile
+		LOOKUP_INCLUDE="-I${EROOT}usr/include/ldap"
+		LOOKUP_LIBS="-lldap -llber"
+	fi
+
+	if use mysql; then
+		sed -i "s:# LOOKUP_MYSQL=yes:LOOKUP_MYSQL=yes:" Local/Makefile
+		LOOKUP_INCLUDE="$LOOKUP_INCLUDE -I${EROOT}usr/include/mysql"
+		LOOKUP_LIBS="$LOOKUP_LIBS -lmysqlclient"
+	fi
+
+	if use postgres; then
+		sed -i "s:# LOOKUP_PGSQL=yes:LOOKUP_PGSQL=yes:" Local/Makefile
+		LOOKUP_INCLUDE="$LOOKUP_INCLUDE -I${EROOT}usr/include/postgresql"
+		LOOKUP_LIBS="$LOOKUP_LIBS -lpq"
+	fi
+
+	if use sqlite; then
+		sed -i "s:# LOOKUP_SQLITE=yes: LOOKUP_SQLITE=yes:" Local/Makefile
+		LOOKUP_INCLUDE="$LOOKUP_INCLUDE -I${EROOT}usr/include/sqlite"
+		LOOKUP_LIBS="$LOOKUP_LIBS -lsqlite3"
+	fi
+
+	if [[ -n ${LOOKUP_INCLUDE} ]]; then
+		sed -i "s:# LOOKUP_INCLUDE=-I /usr/local/ldap/include -I /usr/local/mysql/include -I /usr/local/pgsql/include:LOOKUP_INCLUDE=$LOOKUP_INCLUDE:" \
+			Local/Makefile
+	fi
+
+	if [[ -n ${LOOKUP_LIBS} ]]; then
+		sed -i "s:# LOOKUP_LIBS=-L/usr/local/lib -lldap -llber -lmysqlclient -lpq -lgds -lsqlite3:LOOKUP_LIBS=$LOOKUP_LIBS:" \
+			Local/Makefile
+	fi
+
+	sed -i -e 's/^buildname=.*/buildname=exim-gentoo/g' Makefile
+
+	sed -i "s:# LOOKUP_DSEARCH=yes:LOOKUP_DSEARCH=yes:" Local/Makefile
+
+	if use dnsdb; then
+		sed -i "s:# LOOKUP_DNSDB=yes:LOOKUP_DNSDB=yes:" Local/Makefile
+	fi
+	sed -i "s:# LOOKUP_CDB=yes:LOOKUP_CDB=yes:" Local/Makefile
+
+	if use nis; then
+		sed -i -e "s:# LOOKUP_NIS=yes:LOOKUP_NIS=yes:" \
+			-e "s:# LOOKUP_NISPLUS=yes:LOOKUP_NISPLUS=yes:" Local/Makefile
+	fi
+	if use syslog; then
+		sed -i "s:LOG_FILE_PATH=/var/log/exim/exim_%s.log:LOG_FILE_PATH=syslog:" Local/Makefile
+	fi
+	if ! use dkim; then
+		# DKIM is enabled by default. We have to explicitly disable it.
+		echo "DISABLE_DKIM=yes">> Local/Makefile
+	fi
+	if use dcc; then
+		echo "EXPERIMENTAL_DCC=yes">> Local/Makefile
+	fi
+	if use dsn; then
+		sed -i -e "s:#define SUPPORT_DSN:define SUPPORT_DSN:" Local/Makefile
+	fi
+
+	# use the "native" interface to the DBM library
+	echo "USE_DB=yes" >> Local/Makefile
+}
+
+src_compile() {
+	emake -j1 CC="$(tc-getCC)" FULLECHO='' || die "make failed"
+}
+
+src_install () {
+	cd "${S}"/build-exim-gentoo
+	exeinto /usr/sbin
+	doexe exim
+	if use X; then
+		doexe eximon.bin
+		doexe eximon
+	fi
+	fperms 4755 /usr/sbin/exim
+
+	dodir /usr/bin /usr/sbin /usr/lib
+
+	dosym exim /usr/sbin/sendmail
+	dosym exim /usr/sbin/rsmtp
+	dosym exim /usr/sbin/rmail
+	dosym /usr/sbin/exim /usr/bin/mailq
+	dosym /usr/sbin/exim /usr/bin/newaliases
+	dosym /usr/sbin/sendmail /usr/lib/sendmail
+
+	exeinto /usr/sbin
+	for i in exicyclog exim_dbmbuild exim_dumpdb exim_fixdb exim_lock \
+		exim_tidydb exinext exiwhat exigrep eximstats exiqsumm exiqgrep \
+		convert4r3 convert4r4 exipick
+	do
+		doexe $i
+	done
+
+	dodoc "${S}"/doc/*
+	doman "${S}"/doc/exim.8
+	use dsn && dodoc "${S}"/README.DSN
+
+	# conf files
+	insinto /etc/exim
+	newins "${S}"/src/configure.default.orig exim.conf.dist
+	if use exiscan-acl; then
+		newins "${S}"/src/configure.default exim.conf.exiscan-acl
+	fi
+	doins "${WORKDIR}"/system_filter.exim
+	doins "${FILESDIR}"/auth_conf.sub
+
+	pamd_mimic system-auth exim auth account
+
+	insinto /etc/logrotate.d
+	newins "${FILESDIR}/exim.logrotate" exim
+
+	newinitd "${FILESDIR}"/exim.rc6 exim
+
+	newconfd "${FILESDIR}"/exim.confd exim
+
+	DIROPTIONS="--mode=0750 --owner=mail --group=mail"
+	dodir /var/log/${PN}
+}
+
+pkg_postinst() {
+	einfo "${EROOT}etc/exim/system_filter.exim is a sample system_filter."
+	einfo "${EROOT}etc/exim/auth_conf.sub contains the configuration sub for using smtp auth."
+	einfo "Please create ${EROOT}etc/exim/exim.conf from ${EROOT}etc/exim/exim.conf.dist."
+	if use dcc ; then
+		einfo "DCC support is experimental, you can find some limited"
+		einfo "documentation at the bottom of this prerelease message:"
+		einfo "http://article.gmane.org/gmane.mail.exim.devel/3579"
+	fi
+}
diff --git a/mail-mta/exim/files/exim-4.74-localscan_dlopen.patch b/mail-mta/exim/files/exim-4.74-localscan_dlopen.patch
new file mode 100644
index 000000000000..d63135228341
--- /dev/null
+++ b/mail-mta/exim/files/exim-4.74-localscan_dlopen.patch
@@ -0,0 +1,262 @@
+diff -Naur exim-4.32/src/EDITME exim-4.32-dlopen/src/EDITME
+--- src/EDITME	2004-04-15 08:27:01.000000000 +0000
++++ src/EDITME	2004-05-06 16:15:47.000000000 +0000
+@@ -505,6 +505,24 @@
+ 
+ 
+ #------------------------------------------------------------------------------
++# On systems which support dynamic loading of shared libraries, Exim can
++# load a local_scan function specified in its config file instead of having
++# to be recompiled with the desired local_scan function. For a full
++# description of the API to this function, see the Exim specification.
++
++DLOPEN_LOCAL_SCAN=yes
++
++# If you set DLOPEN_LOCAL_SCAN, then you need to include -rdynamic in the
++# linker flags.  Without it, the loaded .so won't be able to access any
++# functions from exim.
++
++LFLAGS=-rdynamic
++ifeq ($(OSTYPE),Linux)
++LFLAGS+= -ldl
++endif
++
++
++#------------------------------------------------------------------------------
+ # The default distribution of Exim contains only the plain text form of the
+ # documentation. Other forms are available separately. If you want to install
+ # the documentation in "info" format, first fetch the Texinfo documentation
+diff -Naur exim-4.32/src/config.h.defaults exim-4.32-dlopen/src/config.h.defaults
+--- src/config.h.defaults	2004-04-15 08:27:01.000000000 +0000
++++ src/config.h.defaults	2004-05-06 16:16:30.000000000 +0000
+@@ -20,6 +20,8 @@
+ #define AUTH_PLAINTEXT
+ #define AUTH_SPA
+ 
++#define DLOPEN_LOCAL_SCAN
++
+ #define BIN_DIRECTORY
+ 
+ #define CONFIGURE_FILE
+diff -Naur exim-4.32/src/globals.c exim-4.32-dlopen/src/globals.c
+--- src/globals.c	2004-04-15 08:27:01.000000000 +0000
++++ src/globals.c	2004-05-06 16:17:07.000000000 +0000
+@@ -109,6 +109,10 @@
+ uschar *tls_verify_hosts       = NULL;
+ #endif
+ 
++#ifdef DLOPEN_LOCAL_SCAN
++uschar *local_scan_path        = NULL;
++#endif
++
+ 
+ /* Input-reading functions for messages, so we can use special ones for
+ incoming TCP/IP. The defaults use stdin. We never need these for any
+diff -Naur exim-4.32/src/globals.h exim-4.32-dlopen/src/globals.h
+--- src/globals.h	2004-04-15 08:27:01.000000000 +0000
++++ src/globals.h	2004-05-06 16:17:50.000000000 +0000
+@@ -73,6 +73,9 @@
+ extern uschar *tls_verify_hosts;       /* Mandatory client verification */
+ #endif
+ 
++#ifdef DLOPEN_LOCAL_SCAN
++extern uschar *local_scan_path;        /* Path to local_scan() library */
++#endif
+ 
+ /* Input-reading functions for messages, so we can use special ones for
+ incoming TCP/IP. */
+diff -Naur exim-4.32/src/local_scan.c exim-4.32-dlopen/src/local_scan.c
+--- src/local_scan.c	2004-04-15 08:27:01.000000000 +0000
++++ src/local_scan.c	2004-05-06 16:21:57.000000000 +0000
+@@ -5,60 +5,131 @@
+ /* Copyright (c) University of Cambridge 1995 - 2004 */
+ /* See the file NOTICE for conditions of use and distribution. */
+ 
++#include "exim.h"
+ 
+-/******************************************************************************
+-This file contains a template local_scan() function that just returns ACCEPT.
+-If you want to implement your own version, you should copy this file to, say
+-Local/local_scan.c, and edit the copy. To use your version instead of the
+-default, you must set
+-
+-LOCAL_SCAN_SOURCE=Local/local_scan.c
+-
+-in your Local/Makefile. This makes it easy to copy your version for use with
+-subsequent Exim releases.
+-
+-For a full description of the API to this function, see the Exim specification.
+-******************************************************************************/
+-
+-
+-/* This is the only Exim header that you should include. The effect of
+-including any other Exim header is not defined, and may change from release to
+-release. Use only the documented interface! */
+-
+-#include "local_scan.h"
+-
+-
+-/* This is a "do-nothing" version of a local_scan() function. The arguments
+-are:
+-
+-  fd             The file descriptor of the open -D file, which contains the
+-                   body of the message. The file is open for reading and
+-                   writing, but modifying it is dangerous and not recommended.
+-
+-  return_text    A pointer to an unsigned char* variable which you can set in
+-                   order to return a text string. It is initialized to NULL.
+-
+-The return values of this function are:
+-
+-  LOCAL_SCAN_ACCEPT
+-                 The message is to be accepted. The return_text argument is
+-                   saved in $local_scan_data.
+-
+-  LOCAL_SCAN_REJECT
+-                 The message is to be rejected. The returned text is used
+-                   in the rejection message.
+-
+-  LOCAL_SCAN_TEMPREJECT
+-                 This specifies a temporary rejection. The returned text
+-                   is used in the rejection message.
+-*/
++#ifdef DLOPEN_LOCAL_SCAN
++#include <dlfcn.h>
++static int (*local_scan_fn)(int fd, uschar **return_text) = NULL;
++static int load_local_scan_library(void);
++#endif
+ 
+ int
+ local_scan(int fd, uschar **return_text)
+ {
+ fd = fd;                      /* Keep picky compilers happy */
+ return_text = return_text;
+-return LOCAL_SCAN_ACCEPT;
++#ifdef DLOPEN_LOCAL_SCAN
++/* local_scan_path is defined AND not the empty string */
++if (local_scan_path && *local_scan_path)
++  {
++  if (!local_scan_fn)
++    {
++    if (!load_local_scan_library())
++      {
++        char *base_msg , *error_msg , *final_msg ;
++        int final_length = -1 ;
++
++        base_msg=US"Local configuration error - local_scan() library failure\n";
++        error_msg = dlerror() ;
++
++        final_length = strlen(base_msg) + strlen(error_msg) + 1 ;
++        final_msg = (char*)malloc( final_length*sizeof(char) ) ;
++        *final_msg = '\0' ;
++
++        strcat( final_msg , base_msg ) ;
++        strcat( final_msg , error_msg ) ;
++
++        *return_text = final_msg ;
++      return LOCAL_SCAN_TEMPREJECT;
++      }
++    }
++    return local_scan_fn(fd, return_text);
++  }
++else
++#endif
++  return LOCAL_SCAN_ACCEPT;
++}
++
++#ifdef DLOPEN_LOCAL_SCAN
++
++static int load_local_scan_library(void)
++{
++/* No point in keeping local_scan_lib since we'll never dlclose() anyway */
++void *local_scan_lib = NULL;
++int (*local_scan_version_fn)(void);
++int vers_maj;
++int vers_min;
++
++local_scan_lib = dlopen(local_scan_path, RTLD_NOW);
++if (!local_scan_lib)
++  {
++  log_write(0, LOG_MAIN|LOG_REJECT, "local_scan() library open failed - "
++    "message temporarily rejected");
++  return FALSE;
++  }
++
++local_scan_version_fn = dlsym(local_scan_lib, "local_scan_version_major");
++if (!local_scan_version_fn)
++  {
++  dlclose(local_scan_lib);
++  log_write(0, LOG_MAIN|LOG_REJECT, "local_scan() library doesn't contain "
++    "local_scan_version_major() function - message temporarily rejected");
++  return FALSE;
++  }
++
++/* The major number is increased when the ABI is changed in a non
++   backward compatible way. */
++vers_maj = local_scan_version_fn();
++
++local_scan_version_fn = dlsym(local_scan_lib, "local_scan_version_minor");
++if (!local_scan_version_fn)
++  {
++  dlclose(local_scan_lib);
++  log_write(0, LOG_MAIN|LOG_REJECT, "local_scan() library doesn't contain "
++    "local_scan_version_minor() function - message temporarily rejected");
++  return FALSE;
++  }
++
++/* The minor number is increased each time a new feature is added (in a
++   way that doesn't break backward compatibility) -- Marc */
++vers_min = local_scan_version_fn();
++
++
++if (vers_maj != LOCAL_SCAN_ABI_VERSION_MAJOR)
++  {
++  dlclose(local_scan_lib);
++  local_scan_lib = NULL;
++  log_write(0, LOG_MAIN|LOG_REJECT, "local_scan() has an incompatible major"
++    "version number, you need to recompile your module for this version"
++    "of exim (The module was compiled for version %d.%d and this exim provides"
++    "ABI version %d.%d)", vers_maj, vers_min, LOCAL_SCAN_ABI_VERSION_MAJOR,
++    LOCAL_SCAN_ABI_VERSION_MINOR);
++  return FALSE;
++  }
++else if (vers_min > LOCAL_SCAN_ABI_VERSION_MINOR)
++  {
++  dlclose(local_scan_lib);
++  local_scan_lib = NULL;
++  log_write(0, LOG_MAIN|LOG_REJECT, "local_scan() has an incompatible minor"
++    "version number, you need to recompile your module for this version"
++    "of exim (The module was compiled for version %d.%d and this exim provides"
++    "ABI version %d.%d)", vers_maj, vers_min, LOCAL_SCAN_ABI_VERSION_MAJOR,
++    LOCAL_SCAN_ABI_VERSION_MINOR);
++  return FALSE;
++  }
++
++local_scan_fn = dlsym(local_scan_lib, "local_scan");
++if (!local_scan_fn)
++  {
++  dlclose(local_scan_lib);
++  log_write(0, LOG_MAIN|LOG_REJECT, "local_scan() library doesn't contain "
++    "local_scan() function - message temporarily rejected");
++  return FALSE;
++  }
++
++return TRUE;
+ }
+ 
++#endif /* DLOPEN_LOCAL_SCAN */
++
+ /* End of local_scan.c */
+diff -Naur exim-4.32/src/readconf.c exim-4.32-dlopen/src/readconf.c
+--- src/readconf.c	2004-04-15 08:27:01.000000000 +0000
++++ src/readconf.c	2004-05-06 16:23:12.000000000 +0000
+@@ -223,6 +223,9 @@
+   { "local_from_prefix",        opt_stringptr,   &local_from_prefix },
+   { "local_from_suffix",        opt_stringptr,   &local_from_suffix },
+   { "local_interfaces",         opt_stringptr,   &local_interfaces },
++#ifdef DLOPEN_LOCAL_SCAN
++  { "local_scan_path",          opt_stringptr,   &local_scan_path },
++#endif
+   { "local_scan_timeout",       opt_time,        &local_scan_timeout },
+   { "local_sender_retain",      opt_bool,        &local_sender_retain },
+   { "localhost_number",         opt_stringptr,   &host_number_string },