Add smtptrapd, a tool/trap to keep spammers who try to abuse MX with the

highest PRI away.

mail/Makefile

@@ -441,6 +441,7 @@
     SUBDIR += smtpmail
     SUBDIR += smtpproxy
     SUBDIR += smtprc
+    SUBDIR += smtptrapd
     SUBDIR += solidpop3d
     SUBDIR += sortmail
     SUBDIR += spamass-milter

mail/smtptrapd/Makefile

@@ -0,0 +1,40 @@
+# Ports collection makefile for:	smtptrapd
+# Date created:				19 March 2005
+# Whom:					Anders Nordby <anders@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	smtptrapd
+PORTVERSION=	1.1
+CATEGORIES=	mail
+MASTER_SITES=	http://smtptrapd.inodes.org/
+
+MAINTAINER=	anders@FreeBSD.org
+COMMENT=	RFC 2821 compliant SMTP service that always returns a 4xx soft error
+
+USE_RC_SUBR=	yes
+SED_SCRIPT=	-e 's|%%PREFIX%%|${PREFIX}|g;s|%%RC_SUBR%%|${RC_SUBR}|g'
+
+PLIST_FILES=	bin/smtptrapd
+
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} < 500000
+LIB_DEPENDS+=	lthread.2:${PORTSDIR}/devel/linuxthreads
+
+CFLAGS+=	${PTHREAD_CFLAGS} -L${LOCALBASE}/lib -I${LOCALBASE}/include/pthread/linuxthreads -llthread -llgcc_r
+.else
+CFLAGS+=	${PTHREAD_CFLAGS} ${PTHREAD_LIBS}
+.endif
+
+do-build:
+	(cd ${WRKSRC} && ${CC} ${CFLAGS} -o smtptrapd smtptrapd.c)
+	${SED} ${SED_SCRIPT} ${FILESDIR}/smtptrapd.sh >${WRKSRC}/smtptrapd.sh
+
+do-install:
+	${INSTALL_PROGRAM} ${WRKSRC}/smtptrapd ${PREFIX}/bin/
+	${INSTALL_SCRIPT} ${WRKSRC}/smtptrapd.sh ${PREFIX}/etc/rc.d/smtptrapd.sh
+	@${SH} ${PKGINSTALL} ${PKGNAME} POST-INSTALL
+
+.include <bsd.port.post.mk>

mail/smtptrapd/distinfo

@@ -0,0 +1,2 @@
+MD5 (smtptrapd-1.1.tar.gz) = 737d5ba5d21b97df902803b36a2ac424
+SIZE (smtptrapd-1.1.tar.gz) = 23383

mail/smtptrapd/files/patch-smtptrapd.c

@@ -0,0 +1,25 @@
+--- smtptrapd.c.orig	Sun Mar 20 00:01:06 2005
++++ smtptrapd.c	Sun Mar 20 00:01:36 2005
+@@ -27,9 +27,9 @@
+ #include <sys/time.h>
+ #include <sys/types.h>
+ #include <unistd.h>
++#include <netinet/in.h>
+ #include <arpa/inet.h>
+ #include <sys/socket.h>
+-#include <netinet/in.h>
+ #include <errno.h>
+ #include <string.h>
+ #include <sysexits.h>
+@@ -491,7 +491,11 @@
+ 	/* background the process */
+ 	if (fork()) exit(0);
+ 	if (fork()) exit(0);
++#ifdef __FreeBSD__
++	setpgrp(0, 0);
++#else
+ 	setpgrp(); 
++#endif
+ 
+ 	openlog("smtptrapd", LOG_PID, LOG_MAIL);
+ 

mail/smtptrapd/files/smtptrapd.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: smtptrapd
+# REQUIRE: LOGIN
+# BEFORE: mail
+# KEYWORD: FreeBSD shutdown
+
+#
+# Add the following lines to /etc/rc.conf to enable smtptrapd:
+#
+#smtptrapd_enable="YES"
+#
+# Run smtptrapd -h for flags
+#
+
+. %%RC_SUBR%%
+
+name=smtptrapd
+rcvar=`set_rcvar`
+
+command=%%PREFIX%%/bin/smtptrapd
+
+smtptrapd_enable=${smtptrapd_enable:-"NO"}
+smtptrapd_flags=${smtptrapd_flags:-"-c /var/run/smtptrapd-root"}
+
+load_rc_config $name
+run_rc_command "$1"

mail/smtptrapd/pkg-descr

@@ -0,0 +1,6 @@
+The smtptrapd program is a multi-threaded daemon that provides a RFC 2821 
+compliant SMTP service that always returns a 4xx soft error to the RCPT TO 
+verb. Use it to keep spammers who try to exploit the MX with highest PRI
+away.
+
+WWW: http://smtptrapd.inodes.org/

mail/smtptrapd/pkg-install

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+case $2 in
+    PRE-INSTALL)
+	;;
+    POST-INSTALL)
+	install -d -m 0755 /var/run/smtptrapd-root
+	;;
+    *)
+	echo "Unexpected Argument $2."
+	exit 1
+	;;
+esac
+exit 0