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https://github.com/juanfont/headscale.git
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22ee2bfc9c
This PR investigates, adds tests and aims to correctly implement Tailscale's model for how Tags should be accepted, assigned and used to identify nodes in the Tailscale access and ownership model. When evaluating in Headscale's policy, Tags are now only checked against a nodes "tags" list, which defines the source of truth for all tags for a given node. This simplifies the code for dealing with tags greatly, and should help us have less access bugs related to nodes belonging to tags or users. A node can either be owned by a user, or a tag. Next, to ensure the tags list on the node is correctly implemented, we first add tests for every registration scenario and combination of user, pre auth key and pre auth key with tags with the same registration expectation as observed by trying them all with the Tailscale control server. This should ensure that we implement the correct behaviour and that it does not change or break over time. Lastly, the missing parts of the auth has been added, or changed in the cases where it was wrong. This has in large parts allowed us to delete and simplify a lot of code. Now, tags can only be changed when a node authenticates or if set via the CLI/API. Tags can only be fully overwritten/replaced and any use of either auth or CLI will replace the current set if different. A user owned device can be converted to a tagged device, but it cannot be changed back. A tagged device can never remove the last tag either, it has to have a minimum of one.
47 lines
1.7 KiB
Go
47 lines
1.7 KiB
Go
package integration
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import (
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"net/netip"
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v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
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"github.com/juanfont/headscale/hscontrol"
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policyv2 "github.com/juanfont/headscale/hscontrol/policy/v2"
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"github.com/juanfont/headscale/hscontrol/routes"
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"github.com/juanfont/headscale/hscontrol/types"
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"github.com/ory/dockertest/v3"
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"tailscale.com/tailcfg"
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)
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type ControlServer interface {
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Shutdown() (string, string, error)
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SaveLog(string) (string, string, error)
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SaveProfile(string) error
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Execute(command []string) (string, error)
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WriteFile(path string, content []byte) error
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ConnectToNetwork(network *dockertest.Network) error
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GetHealthEndpoint() string
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GetEndpoint() string
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WaitForRunning() error
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CreateUser(user string) (*v1.User, error)
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CreateAuthKey(user uint64, reusable bool, ephemeral bool) (*v1.PreAuthKey, error)
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CreateAuthKeyWithTags(user uint64, reusable bool, ephemeral bool, tags []string) (*v1.PreAuthKey, error)
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DeleteAuthKey(user uint64, key string) error
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ListNodes(users ...string) ([]*v1.Node, error)
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DeleteNode(nodeID uint64) error
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NodesByUser() (map[string][]*v1.Node, error)
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NodesByName() (map[string]*v1.Node, error)
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ListUsers() ([]*v1.User, error)
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MapUsers() (map[string]*v1.User, error)
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ApproveRoutes(uint64, []netip.Prefix) (*v1.Node, error)
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SetNodeTags(nodeID uint64, tags []string) error
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GetCert() []byte
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GetHostname() string
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GetIPInNetwork(network *dockertest.Network) string
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SetPolicy(*policyv2.Policy) error
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GetAllMapReponses() (map[types.NodeID][]tailcfg.MapResponse, error)
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PrimaryRoutes() (*routes.DebugRoutes, error)
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DebugBatcher() (*hscontrol.DebugBatcherInfo, error)
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DebugNodeStore() (map[types.NodeID]types.Node, error)
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DebugFilter() ([]tailcfg.FilterRule, error)
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}
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