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dnsmasq: add support for RA option 31

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The option 31 in the RA specifies the DNS search list, the support
to configure this via UCI is missing in case dnsmasq-dhcpv6 is used.

This commit uses the uci option domain (same as is done by odhcpd) to
read and pass the DNS search list to dnsmasq, which is then used by RA.

Hence, with this commit, we are able to configure DNS search list for the
RA messages via the uci config when dnsmsaq-dhcpv6 is used.

Signed-off-by: Rahul Thakur <rahul.thakur@iopsys.eu>
This commit is contained in:
Rahul Thakur 2023-10-20 09:57:46 +05:30 committed by Christian Marangi
parent b8e52852bd
commit 002f180a97
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1 changed files with 8 additions and 0 deletions
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8
package/network/services/dnsmasq/files/dnsmasq.init
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@ -568,6 +568,7 @@ dhcp_add() {
config_get ra_management "$cfg" ra_management
config_get ra_preference "$cfg" ra_preference
config_get dns "$cfg" dns
config_get dns_sl "$cfg" domain
config_list_foreach "$cfg" "interface_name" append_interface_name "$ifname"
@ -647,6 +648,13 @@ dhcp_add() {
fi
dhcp_option_append "option6:dns-server,$dnss" "$networkid"
if [ -n "$dns_sl" ]; then
ddssl=""
for dd in $dns_sl; do append ddssl "$dd" ","; done
fi
dhcp_option_append "option6:domain-search,$ddssl" "$networkid"
fi
dhcp_option_add "$cfg" "$networkid" 0