odhcp6c: update to use upstreamed solution to ignore default lifetime for RDNSS

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Matthias Schiffer 2017-01-17 22:11:53 +01:00
parent 7736f53dc4
commit a0efa9f3fd
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3 changed files with 119 additions and 31 deletions

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@ -25,6 +25,7 @@ uci:section('network', 'interface', 'local_node',
reqprefix = 'no', reqprefix = 'no',
peerdns = 1, peerdns = 1,
sourcefilter = 0, sourcefilter = 0,
keep_ra_dnslifetime = 1,
} }
) )

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@ -1,31 +0,0 @@
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 13 Nov 2014 01:17:24 +0100
Subject: odhcp6c: always accept RDNSS, independent of the default router lifetime
diff --git a/package/network/ipv6/odhcp6c/patches/001-always_accept_rdnss.patch b/package/network/ipv6/odhcp6c/patches/001-always_accept_rdnss.patch
new file mode 100644
index 0000000000000000000000000000000000000000..cb694cadf4df4b487b3a4035eacca9c6a7798ecb
--- /dev/null
+++ b/package/network/ipv6/odhcp6c/patches/001-always_accept_rdnss.patch
@@ -0,0 +1,21 @@
+--- a/src/ra.c
++++ b/src/ra.c
+@@ -438,18 +438,6 @@ bool ra_process(void)
+ }
+ }
+ }
+-
+- int states[2] = {STATE_RA_DNS, STATE_RA_SEARCH};
+- for (size_t i = 0; i < 2; ++i) {
+- size_t ra_dns_len;
+- uint8_t *start = odhcp6c_get_state(states[i], &ra_dns_len);
+- for (struct odhcp6c_entry *c = (struct odhcp6c_entry*)start;
+- (uint8_t*)c < &start[ra_dns_len] && &c->auxtarget[c->auxlen] <= &start[ra_dns_len];
+- c = (struct odhcp6c_entry*)(&c->auxtarget[c->auxlen]))
+- if (IN6_ARE_ADDR_EQUAL(&c->router, &from.sin6_addr) &&
+- c->valid > router_valid)
+- c->valid = router_valid;
+- }
+ }
+
+ if (found)

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@ -0,0 +1,118 @@
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 17 Jan 2017 22:08:21 +0100
Subject: odhcp6c: backport from LEDE 0d49f9f4b4da9d1960f82e68ae797290e4b9c434
diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index 3705705f6540dc841c7041e81f6d208a41a1f08a..a8e45588a52859daf14c68c665a53690b9d09be2 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -8,15 +8,16 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=odhcp6c
-PKG_VERSION:=2016-02-08
+PKG_VERSION:=2017-01-07
PKG_RELEASE=$(PKG_SOURCE_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_URL:=https://github.com/openwrt/odhcp6c.git
+PKG_SOURCE_URL:=git://git.lede-project.org/project/odhcp6c.git
PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=dc186d6d2b0dd4ad23ca5fc69c00e81f796ff6d9
-PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
+PKG_SOURCE_VERSION:=d420f49396c627ce1072b83170889baf0720bc8b
+PKG_MIRROR_HASH:=a7c599b5600b6cca9aec221dd32fc7754e0e942b0192bd902f1e789f53345127
+PKG_MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
@@ -30,7 +31,7 @@ define Package/odhcp6c
SECTION:=net
CATEGORY:=Network
TITLE:=Embedded DHCPv6-client for OpenWrt
- DEPENDS:=+kmod-ipv6
+ DEPENDS:=@IPV6 +libubox
endef
define Package/odhcp6c/config
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index 677d35f4f92e82d6a7fe9ca01a35e071097baca8..1bb5e771b6dc80c1f5bceef88508d92cc69b1d3a 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -77,6 +77,11 @@ setup_interface () {
-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
RA_ROUTES="::/0,$SERVER,$valid,4096"
fi
+
+ # RFC 7278
+ if [ "$mask" -eq 64 -a -z "$PREFIXES" -a -n "$EXTENDPREFIX" ]; then
+ proto_add_ipv6_prefix "$addr/$mask,$preferred,$valid"
+ fi
done
for entry in $RA_ROUTES; do
@@ -180,7 +185,7 @@ setup_interface () {
# Apply IPv6 / ND configuration
HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
[ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
- [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
+ [ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null
[ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
[ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
@@ -209,6 +214,6 @@ case "$2" in
esac
# user rules
-[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
+[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user "@"
exit 0
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.sh b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
index 4a453fdc4d94d9298067a986b0e4c6054b6c0a60..9e3f6697335a55cf4be1751fec907a4ac93f09ec 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.sh
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
@@ -13,6 +13,7 @@ proto_dhcpv6_init_config() {
proto_config_add_string 'reqopts:list(uinteger)'
proto_config_add_string 'noslaaconly:bool'
proto_config_add_string 'forceprefix:bool'
+ proto_config_add_string 'extendprefix:bool'
proto_config_add_string 'norelease:bool'
proto_config_add_string 'ip6prefix:ip6addr'
proto_config_add_string iface_dslite
@@ -29,14 +30,15 @@ proto_dhcpv6_init_config() {
proto_config_add_int "soltimeout"
proto_config_add_boolean fakeroutes
proto_config_add_boolean sourcefilter
+ proto_config_add_boolean keep_ra_dnslifetime
}
proto_dhcpv6_setup() {
local config="$1"
local iface="$2"
- local reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter
- json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter
+ local reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
+ json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
# Configure
@@ -60,6 +62,8 @@ proto_dhcpv6_setup() {
[ -n "$userclass" ] && append opts "-u$userclass"
+ [ "$keep_ra_dnslifetime" = "1" ] && append opts "-L"
+
for opt in $reqopts; do
append opts "-r$opt"
done
@@ -78,6 +82,7 @@ proto_dhcpv6_setup() {
[ -n "$zone" ] && proto_export "ZONE=$zone"
[ "$fakeroutes" != "0" ] && proto_export "FAKE_ROUTES=1"
[ "$sourcefilter" = "0" ] && proto_export "NOSOURCEFILTER=1"
+ [ "$extendprefix" = "1" ] && proto_export "EXTENDPREFIX=1"
proto_export "INTERFACE=$config"
proto_run_command "$config" odhcp6c \