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dnsmasq: add procd interface index tracking

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Problem exist when dnsmasq is exclusively bind to particular interface.
After reconfiguring or restarting this interface, its index changes, but
dnsmasq uses the old one. When this problem occurs, dnsmasq does not
listen on the correct interface so DHCP does not work, and clients do not
get an IP address. Procd netdev param can be added to restart dnsmasq when
the interface index is changed.

Signed-off-by: Valentyn Datsko <valikk.d@gmail.com>
[combined into a single &&-connected statement]
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 76f55e3c3f32dea63a385e9b3c8eaed1322089c7)
This commit is contained in:
Valentyn Datsko 2022-04-06 16:13:13 +03:00 committed by Daniel Golle
parent ce7ee54c55
commit 660923cd74
1 changed files with 5 additions and 0 deletions
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package/network/services/dnsmasq/files/dnsmasq.init
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@ -1156,6 +1156,11 @@ dnsmasq_start()
[ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT="$user_dhcpscript"
procd_set_param respawn
local instance_ifc instance_netdev
config_get instance_ifc "$cfg" interface
[ -n "$instance_ifc" ] && network_get_device instance_netdev "$instance_ifc" &&
[ -n "$instance_netdev" ] && procd_set_param netdev $instance_netdev
procd_add_jail dnsmasq ubus log
procd_add_jail_mount $CONFIGFILE $DHCPBOGUSHOSTNAMEFILE $DHCPSCRIPT $DHCPSCRIPT_DEPENDS
procd_add_jail_mount $EXTRA_MOUNT $RFC6761FILE $TRUSTANCHORSFILE