[OpenWrt-Devel] [PATCH] dnsmasq: add host-specific lease time option for static hosts

[Hannu Nyman]

Enable setting a host-specific lease time for static hosts.
The new option is called "leasetime" and the format is similar
as for the default lease time: e.g. 12h, 3d, infinite

Default lease time is used for all hosts for which there is
no host-specific definition.

The option is added to /etc/config/dhcp for the selected hosts:
  config host
        option name 'Nexus'
        option mac 'd8:50:66:55:59:7c'
        option ip '192.168.1.245'
        option leasetime '2h'

It gets appended to /var/etc/dnsmasq.conf like this:
  dhcp-host=d8:50:66:55:59:7c,192.168.1.245,Nexus,2h

Signed-off-by: Hannu Nyman <hannu.nyman at iki.fi>
---
Reference to discussion at https://patchwork.ozlabs.org/patch/561694/

I have included this option in my own build for the last 4 years.
(Ever since I tried to submit it via https://dev.openwrt.org/ticket/11227 )

I have also the Luci part ready.


 package/network/services/dnsmasq/Makefile           | 4 ++--
 package/network/services/dnsmasq/files/dnsmasq.init | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/package/network/services/dnsmasq/Makefile b/package/network/services/dnsmasq/Makefile
index cddde5c..530d33d 100644
--- a/package/network/services/dnsmasq/Makefile
+++ b/package/network/services/dnsmasq/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2015 OpenWrt.org
+# Copyright (C) 2006-2016 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dnsmasq
 PKG_VERSION:=2.75
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq
diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init
index 3ef2b3d..f89bd8c 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -334,7 +334,9 @@ dhcp_host_add() {
 	config_get_bool broadcast "$cfg" broadcast 0
 	[ "$broadcast" = "0" ] && broadcast=
 
-	xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}"
+	config_get leasetime "$cfg" leasetime
+
+	xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}${leasetime:+,$leasetime}"
 }
 
 dhcp_tag_add() {
-- 
2.5.0
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