--- a/src/dnsbl.cpp	Sun Sep 23 14:33:00 2007 -0700
+++ b/src/dnsbl.cpp	Sun Sep 30 10:27:14 2007 -0700
@@ -7,6 +7,7 @@
 Based on a sample milter Copyright (c) 2000-2003 Sendmail, Inc. and its
 suppliers.	Inspired by the DCC by Rhyolite Software
 
+-b port  The port used to talk to the dcc interface daemon
 -r port  The port used to talk to our internal dns resolver processes
 -p port  The port through which the MTA will connect to this milter.
 -t sec	 The timeout value.
@@ -95,6 +96,7 @@
 const		time_t ERROR_SOCKET_TIME = 60;			// number of seconds between attempts to open a socket to the dns resolver process
 char	   *resolver_port			 = NULL;		// unix domain socket to talk to the dns resolver process
 int 		resolver_socket 		 = NULL_SOCKET; // socket used to listen for resolver requests
+char	   *dccifd_port 			 = NULL;		// unix domain socket to talk to the dcc interface daemon
 time_t		last_error_time;
 int 		resolver_sock_count = 0;		// protected with fd_pool_mutex
 int 		resolver_pool_size	= 0;		// protected with fd_pool_mutex
@@ -359,11 +361,11 @@
 	}
 }
 
-int mlfiPriv::my_write(char *buf, int len) {
+size_t mlfiPriv::my_write(const char *buf, size_t len) {
 	if (err) return 0;
-	int rs = 0;
+	size_t rs = 0;
 	while (len) {
-		int ws = write(fd, buf, len);
+		size_t ws = write(fd, buf, len);
 		if (ws > 0) {
 			rs	+= ws;
 			len -= ws;
@@ -379,11 +381,11 @@
 	return rs;
 }
 
-int mlfiPriv::my_read(char *buf, int len) {
+size_t mlfiPriv::my_read(char *buf, size_t len) {
 	if (err) return 0;
-	int rs = 0;
+	size_t rs = 0;
 	while (len) {
-		int ws = read(fd, buf, len);
+		size_t ws = read(fd, buf, len);
 		if (ws > 0) {
 			rs	+= ws;
 			len -= ws;
@@ -1319,7 +1321,9 @@
 void usage(char *prog);
 void usage(char *prog)
 {
-	fprintf(stderr, "Usage: %s  [-d [level]] [-c] [-s] [-e from|to] -r port -p sm-sock-addr [-t timeout]\n", prog);
+	fprintf(stderr, "Usage: %s  [-d [level]] [-c] [-s] [-e from|to] [-b dccifd-addr] -r port -p sm-sock-addr [-t timeout]\n", prog);
+	fprintf(stderr, "where dccifd_addr is for the connection to dccifd\n");
+	fprintf(stderr, "    and should be local-domain-socket-file-name\n");
 	fprintf(stderr, "where port is for the connection to our own dns resolver processes\n");
 	fprintf(stderr, "    and should be local-domain-socket-file-name\n");
 	fprintf(stderr, "where sm-sock-addr is for the connection to sendmail\n");
@@ -1366,12 +1370,20 @@
 	bool setreso = false;
 	char *email = NULL;
 	int c;
-	const char *args = "r:p:t:e:d:chs";
+	const char *args = "b:r:p:t:e:d:chs";
 	extern char *optarg;
 
 	// Process command line options
 	while ((c = getopt(argc, argv, args)) != -1) {
 		switch (c) {
+			case 'b':
+				if (optarg == NULL || *optarg == '\0') {
+					fprintf(stderr, "Illegal dccifd socket: %s\n", optarg);
+					exit(EX_USAGE);
+				}
+				dccifd_port = strdup(optarg);
+				break;
+
 			case 'r':
 				if (optarg == NULL || *optarg == '\0') {
 					fprintf(stderr, "Illegal resolver socket: %s\n", optarg);