From 9fe2ffd2efbbc35dcb185af6a0f21be9261da0e4 Mon Sep 17 00:00:00 2001
From: Richard Cochran <richardcochran@gmail.com>
Date: Sun, 29 Sep 2013 20:57:00 +0200
Subject: [PATCH] Introduce a configuration file option for the server's UDS
 address.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
---
 config.c    | 5 +++++
 config.h    | 1 +
 default.cfg | 1 +
 gPTP.cfg    | 1 +
 ptp4l.8     | 6 +++++-
 ptp4l.c     | 2 ++
 6 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/config.c b/config.c
index 8cae57f..fe4c0f3 100644
--- a/config.c
+++ b/config.c
@@ -393,6 +393,11 @@ static enum parser_result parse_global_setting(const char *option,
 			return r;
 		*cfg->udp6_scope = uval;
 
+	} else if (!strcmp(option, "uds_address")) {
+		if (strlen(value) > MAX_IFNAME_SIZE)
+			return OUT_OF_RANGE;
+		strncpy(cfg->uds_address, value, MAX_IFNAME_SIZE);
+
 	} else if (!strcmp(option, "logging_level")) {
 		r = get_ranged_int(value, &val,
 				   PRINT_LEVEL_MIN, PRINT_LEVEL_MAX);
diff --git a/config.h b/config.h
index 94704a4..4a2cbaa 100644
--- a/config.h
+++ b/config.h
@@ -89,6 +89,7 @@ struct config {
 	unsigned char *ptp_dst_mac;
 	unsigned char *p2p_dst_mac;
 	unsigned char *udp6_scope;
+	char *uds_address;
 
 	int print_level;
 	int use_syslog;
diff --git a/default.cfg b/default.cfg
index 72665a6..0a42a92 100644
--- a/default.cfg
+++ b/default.cfg
@@ -59,6 +59,7 @@ transportSpecific	0x0
 ptp_dst_mac		01:1B:19:00:00:00
 p2p_dst_mac		01:80:C2:00:00:0E
 udp6_scope		0x0E
+uds_address		/var/run/ptp4l
 #
 # Default interface options
 #
diff --git a/gPTP.cfg b/gPTP.cfg
index 30719b6..9c26ec5 100644
--- a/gPTP.cfg
+++ b/gPTP.cfg
@@ -57,6 +57,7 @@ clock_servo		pi
 transportSpecific	0x1
 ptp_dst_mac		01:80:C2:00:00:0E
 p2p_dst_mac		01:80:C2:00:00:0E
+uds_address		/var/run/ptp4l
 #
 # Default interface options
 #
diff --git a/ptp4l.8 b/ptp4l.8
index 493626d..221d7d1 100644
--- a/ptp4l.8
+++ b/ptp4l.8
@@ -1,4 +1,4 @@
-.TH PTP4l 8 "July 2013" "linuxptp"
+.TH PTP4l 8 "October 2013" "linuxptp"
 .SH NAME
 ptp4l \- PTP Boundary/Ordinary Clock
 
@@ -354,6 +354,10 @@ will be used as the second byte of the primary address.  This option
 is only relevant with IPv6 transport.  See RFC 4291.  The default is
 0x0E for the global scope.
 .TP
+.B uds_address
+Specifies the address of the UNIX domain socket for receiving local
+management messages. The default is /var/run/ptp4l.
+.TP
 .B logging_level
 The maximum logging level of messages which should be printed.
 The default is 6 (LOG_INFO).
diff --git a/ptp4l.c b/ptp4l.c
index b0d1c9c..dac303a 100644
--- a/ptp4l.c
+++ b/ptp4l.c
@@ -32,6 +32,7 @@
 #include "sk.h"
 #include "transport.h"
 #include "udp6.h"
+#include "uds.h"
 #include "util.h"
 #include "version.h"
 
@@ -111,6 +112,7 @@ static struct config cfg_settings = {
 	.ptp_dst_mac = ptp_dst_mac,
 	.p2p_dst_mac = p2p_dst_mac,
 	.udp6_scope = &udp6_scope,
+	.uds_address = uds_path,
 
 	.print_level = LOG_INFO,
 	.use_syslog = 1,