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[package] dnsmasq: add and enable DNS rebind protections

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22222 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2010-07-16 00:06:59 +00:00
parent 30853c82f3
commit 70f06b0258
3 changed files with 28 additions and 2 deletions
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2
package/dnsmasq/Makefile
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_VERSION:=2.55
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq

5
package/dnsmasq/files/dhcp.conf
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@ -1,8 +1,11 @@
config dnsmasq
option domainneeded 1
option boguspriv 1
option filterwin2k '0' #enable for dial on demand
option filterwin2k 0 # enable for dial on demand
option localise_queries 1
option rebind_protection 1 # disable if upstream must serve RFC1918 addresses
option rebind_localhost 0 # enable for RBL checking and similar services
#list rebind_domain example.lan # whitelist RFC1918 responses for domains
option local '/lan/'
option domain 'lan'
option expandhosts 1

23
package/dnsmasq/files/dnsmasq.init
View File

@ -99,6 +99,29 @@ dnsmasq() {
config_get hostsfile "$cfg" dhcphostsfile
[ -e "$hostsfile" ] && append args "--dhcp-hostsfile=$hostsfile"
local rebind
config_get_bool rebind "$cfg" rebind_protection 1
[ $rebind -gt 0 ] && {
logger -t dnsmasq \
"DNS rebinding protection is active," \
"will discard upstream RFC1918 responses!"
append args "--stop-dns-rebind"
local rebind_localhost
config_get_bool rebind_localhost "$cfg" rebind_localhost 0
[ $rebind_localhost -gt 0 ] && {
logger -t dnsmasq "Allowing 127.0.0.0/8 responses"
append args "--rebind-localhost-ok"
}
append_rebind_domain() {
logger -t dnsmasq "Allowing RFC1918 responses for domain $1"
append args "--rebind-domain-ok=$1"
}
config_list_foreach "$cfg" rebind_domain append_rebind_domain
}
}
dhcp_subscrid_add() {