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netifd: add support for suppressing the DHCP request hostname by setting it to * 

dnsmasq (and probably other DHCP servers as well) does not like to hand out
leases with duplicate host names.
Adding support for skipping the hostname makes it easier to deploy setups
where it is not guaranteed to be unique

Signed-off-by: Felix Fietkau <nbd@nbd.name>
openwrt-19.07
Felix Fietkau 2019-03-13 12:45:13 +01:00
parent 5cda4a3e30
commit fd8ca8deb3
1 changed files with 2 additions and 0 deletions
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package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
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@ -46,6 +46,8 @@ proto_dhcp_setup() {
json_for_each_item proto_dhcp_add_sendopts sendopts dhcpopts json_for_each_item proto_dhcp_add_sendopts sendopts dhcpopts
[ -z "$hostname" ] && hostname="$(cat /proc/sys/kernel/hostname)" [ -z "$hostname" ] && hostname="$(cat /proc/sys/kernel/hostname)"
[ "$hostname" = "*" ] && hostname=
[ "$defaultreqopts" = 0 ] && defaultreqopts="-o" || defaultreqopts= [ "$defaultreqopts" = 0 ] && defaultreqopts="-o" || defaultreqopts=
[ "$broadcast" = 1 ] && broadcast="-B" || broadcast= [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
[ "$release" = 1 ] && release="-R" || release= [ "$release" = 1 ] && release="-R" || release=