net: openvswitch: allow metering in non-initial user namespace

The Netlink interface for metering was restricted to global CAP_NET_ADMIN
by using GENL_ADMIN_PERM. To allow metring in a non-inital user namespace,
e.g., a container, this is changed to GENL_UNS_ADMIN_PERM.

Signed-off-by: Michael Weiß <michael.weiss@aisec.fraunhofer.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Michael Weiß 2022-09-23 15:38:19 +02:00 committed by Paolo Abeni
parent 6627a2074d
commit 8039371847

View File

@ -343,7 +343,7 @@ static struct dp_meter *dp_meter_create(struct nlattr **a)
return ERR_PTR(-EINVAL);
/* Allocate and set up the meter before locking anything. */
meter = kzalloc(struct_size(meter, bands, n_bands), GFP_KERNEL);
meter = kzalloc(struct_size(meter, bands, n_bands), GFP_KERNEL_ACCOUNT);
if (!meter)
return ERR_PTR(-ENOMEM);
@ -687,9 +687,9 @@ static const struct genl_small_ops dp_meter_genl_ops[] = {
},
{ .cmd = OVS_METER_CMD_SET,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_ADMIN_PERM, /* Requires CAP_NET_ADMIN
* privilege.
*/
.flags = GENL_UNS_ADMIN_PERM, /* Requires CAP_NET_ADMIN
* privilege.
*/
.doit = ovs_meter_cmd_set,
},
{ .cmd = OVS_METER_CMD_GET,
@ -699,9 +699,9 @@ static const struct genl_small_ops dp_meter_genl_ops[] = {
},
{ .cmd = OVS_METER_CMD_DEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_ADMIN_PERM, /* Requires CAP_NET_ADMIN
* privilege.
*/
.flags = GENL_UNS_ADMIN_PERM, /* Requires CAP_NET_ADMIN
* privilege.
*/
.doit = ovs_meter_cmd_del
},
};