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dnsmasq: backport remove ping check of configured dhcp address

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Remove ping check in DHCPDISCOVER case as too many buggy clients leave
an interface in configured state causing the ping check to fail.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This commit is contained in:
Hans Dedecker 2017-07-18 22:55:29 +02:00
parent 7c727c6fa4
commit 6f133a4402
2 changed files with 29 additions and 1 deletions
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2
package/network/services/dnsmasq/Makefile
View File

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_VERSION:=2.77
PKG_RELEASE:=7
PKG_RELEASE:=8
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq/

28
package/network/services/dnsmasq/patches/011-Remove-ping-check-of-configured-DHCP-address.patch Normal file
View File

@ -0,0 +1,28 @@
From 1d224949cced9e82440d00b3dbaf32c262bac2ff Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Sat, 8 Jul 2017 20:52:55 +0100
Subject: [PATCH 1/2] Remove ping-check of configured DHCP address.
This was added in 5ce3e76fbf89e942e8c54ef3e3389facf0d9067a but
it trips over too many buggy clients that leave an interface configured
even in DHCPDISCOVER case.
---
src/rfc2131.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/src/rfc2131.c b/src/rfc2131.c
index 86230b4..785e15c 100644
--- a/src/rfc2131.c
+++ b/src/rfc2131.c
@@ -1040,8 +1040,6 @@ size_t dhcp_reply(struct dhcp_context *context, char *iface_name, int int_index,
else if (have_config(config, CONFIG_DECLINED) &&
difftime(now, config->decline_time) < (float)DECLINE_BACKOFF)
my_syslog(MS_DHCP | LOG_WARNING, _("not using configured address %s because it was previously declined"), addrs);
- else if ((!lease || lease->addr.s_addr != config->addr.s_addr) && !do_icmp_ping(now, config->addr, 0, loopback))
- my_syslog(MS_DHCP | LOG_WARNING, _("not using configured address %s because it is in use by another host"), addrs);
else
conf = config->addr;
}
--
2.13.2