This adds uci support to configure connmark based DNS filtering.

Signed-off-by: Etan Kissling <etan_kissl...@apple.com>
(imported from upstream mailing list
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2021q2/015151.html)
Signed-off-by: Etan Kissling <etan.kissl...@gmail.com>
---
v2: Bundle with patch to update dnsmasq.
v8: Update commit message to clarify multiple signed-off-by lines.

 package/network/services/dnsmasq/files/dnsmasq.init | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/package/network/services/dnsmasq/files/dnsmasq.init 
b/package/network/services/dnsmasq/files/dnsmasq.init
index 205bfb4cf6..9748c09b8e 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -173,6 +173,10 @@ append_ipset() {
        xappend "--ipset=$1"
 }
 
+append_connmark_allowlist() {
+       xappend "--connmark-allowlist=$1"
+}
+
 append_interface() {
        network_get_device ifname "$1" || ifname="$1"
        xappend "--interface=$ifname"
@@ -938,6 +942,14 @@ dnsmasq_start()
        config_list_foreach "$cfg" "rev_server" append_rev_server
        config_list_foreach "$cfg" "address" append_address
        config_list_foreach "$cfg" "ipset" append_ipset
+
+       local connmark_allowlist_enable
+       config_get connmark_allowlist_enable "$cfg" connmark_allowlist_enable 0
+       [ "$connmark_allowlist_enable" -gt 0 ] && {
+               append_parm "$cfg" "connmark_allowlist_enable" 
"--connmark-allowlist-enable"
+               config_list_foreach "$cfg" "connmark_allowlist" 
append_connmark_allowlist
+       }
+
        [ -n "$BOOT" ] || {
                config_list_foreach "$cfg" "interface" append_interface
                config_list_foreach "$cfg" "notinterface" append_notinterface
-- 
2.30.1 (Apple Git-130)


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