From: Jakub Kicinski <kuba@kernel.org>
To: Anjali Kulkarni <anjali.k.kulkarni@oracle.com>
Cc: davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
zbr@ioremap.net, brauner@kernel.org, johannes@sipsolutions.net,
ecree.xilinx@gmail.com, leon@kernel.org, keescook@chromium.org,
socketcan@hartkopp.net, petrm@nvidia.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH v3 6/7] netlink: Add multicast group level permissions
Date: Thu, 30 Mar 2023 23:39:41 -0700 [thread overview]
Message-ID: <20230330233941.70c98715@kernel.org> (raw)
In-Reply-To: <20230329182543.1161480-7-anjali.k.kulkarni@oracle.com>
On Wed, 29 Mar 2023 11:25:42 -0700 Anjali Kulkarni wrote:
> A new field perm_groups is added in netlink_sock to store the protocol's
> multicast group access permissions. This is to allow for a more fine
> grained access control than just at the protocol level. These
> permissions can be supplied by the protocol via the netlink_kernel_cfg.
> A new function netlink_multicast_allowed() is added, which checks if
> the protocol's multicast group has non-root access before allowing bind.
Is there a reason this is better than implementing .bind
in the connector family and filtering there?
next prev parent reply other threads:[~2023-03-31 6:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-29 18:25 [PATCH v3 0/7] Process connector bug fixes & enhancements Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 1/7] netlink: Reverse the patch which removed filtering Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 2/7] netlink: Add new netlink_release function Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 3/7] connector/cn_proc: Add filtering to fix some bugs Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 4/7] connector/cn_proc: Test code for proc connector Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 5/7] connector/cn_proc: Performance improvements Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 6/7] netlink: Add multicast group level permissions Anjali Kulkarni
2023-03-31 6:39 ` Jakub Kicinski [this message]
2023-03-31 17:00 ` Anjali Kulkarni
2023-03-31 17:24 ` Jakub Kicinski
2023-03-31 17:48 ` Anjali Kulkarni
2023-03-31 18:13 ` Jakub Kicinski
2023-03-31 18:38 ` Anjali Kulkarni
2023-03-29 18:25 ` [PATCH v3 7/7] connector/cn_proc: Allow non-root users access Anjali Kulkarni
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