[pbs-devel] [PATCH proxmox{, -backup} 0/6] add user specific rate-limits

[Hannes Laimer]

This adds support for specifying user specific rate-limits.
We add a user-tag to every rate-limited connection, with this present we
can limit the connection based on the authenticated user assiciated with
it.

Authentication happens after accept, so we can't set this right when we
accept a connection. Currently we initialize the handle on accept, we
then give this handle to the rate_limiter callback function. And on
completed authentication we set the user using this handle.
I did consider using a Peer -> User map in the cache, and just adding
entries on auth, but there isn't really a good way to clean those
entries. And peers(so IP:port) may end up being reused, and that would
be a problem. With the current approach we don't have this problem.

Currently rules with a user specified take priority over others. So:
user > IP only > neither, in case two rules match.

If users and networks are specified, the rule only applies if both
match. So, Any of the specified user connect from any of the specified
network.

And all of this ofc still only if the given timeframe matches.

Note: this is only for users, you can't specify individual tokens. But I
don't think that is much of a problem, it is probably even better like
this.

(I did look through BZ if there is an issue for this, I feel like there
should be, but did not find one)

proxmox:

Hannes Laimer (3):
  pbs-api-types: add users to traffic-control rule
  http: add user tag to rate-limited streams
  rest-server: add use tag field to RateLimitedStreams

 pbs-api-types/src/traffic_control.rs    |  9 ++++
 proxmox-http/src/rate_limited_stream.rs | 30 ++++++++++-
 proxmox-rest-server/src/connection.rs   | 16 +++++-
 proxmox-rest-server/src/rest.rs         | 72 ++++++++++++++++++++++++-
 4 files changed, 123 insertions(+), 4 deletions(-)


proxmox-backup:

Hannes Laimer (3):
  api: taffic-control: update/delete users on rule correctly
  traffic-control: handle users specified in a rule correctly
  ui: traffic-control: add users field in edit form and list

 src/api2/config/traffic_control.rs |   8 +++
 src/bin/proxmox-backup-proxy.rs    |   7 +-
 src/traffic_control_cache.rs       | 100 +++++++++++++++++++++++++----
 www/config/TrafficControlView.js   |   7 ++
 www/window/TrafficControlEdit.js   |  18 ++++++
 5 files changed, 126 insertions(+), 14 deletions(-)


Summary over all repositories:
  9 files changed, 249 insertions(+), 18 deletions(-)

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