Lennart Poettering
3ef74e44b8
If we are asked to come up with our own name for the namespace to allocate (because client enabled "mangle"), then we so far created a randomized name if shortening what was proposed didn't work. This broke polkit authorization however, because when polkit is in the mix, we process method calls twice, submitting the polkit request on the first and then assuming a response is known on the second invocation. But if we generate a randomized name for the two checks we'll not be ablet to match up the requests because it's going to be different. Let's fix that by not using a randomized name, but one hashed from the socket connection we are processing mixed with the client provided name. This will ensure that for the same method call we'll generate the same name, but different calls (i.e. calls with different names on the same socket, or with any name on any socket) we'll end up with different names, minimizing chance of collision. This ensures PK starts to work with nsresourced userns registration when a bad or no name is specified, which previously would end up in a PK query loop.
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