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Netgear / wsdd2

WSD/LLMNR Discovery/Name Service Daemon
GNU General Public License v3.0
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open_ep: SO_RCVBUFFORCE: Operation not permitted #26

Closed marcosfrm closed 3 years ago

marcosfrm commented 3 years ago 
jul 31 21:45:48 xxx systemd[1]: Started WSD/LLMNR Discovery/Name Service Daemon.
jul 31 21:45:48 xxx wsdd2[615]: cannot read additional dns hostnames from testparm
jul 31 21:45:49 xxx wsdd2[615]: cannot read netbios aliases from testparm
jul 31 21:45:49 xxx wsdd2[615]: starting.
jul 31 21:45:49 xxx wsdd2[615]: open_ep: SO_RCVBUFFORCE: Operation not permitted

From https://github.com/Netgear/wsdd2/commit/abc81538d651f9ac682c8b8d79f5bbcb018d46fd.

SO_RCVBUFFORCE needs CAP_NET_ADMIN (man 7 socket).

https://github.com/Netgear/wsdd2/blob/5a0071745404be122c6ed6e42bcee601360a9859/wsdd2.service#L10

AmbientCapabilities=CAP_NET_RAW CAP_NET_ADMIN