Commit Graph

49 Commits

Author SHA1 Message Date
Hans Hasselberg 7404712854
acl: do not resolve local tokens from remote dcs (#8068) 2020-06-09 21:13:09 +02:00
Matt Keeler 2c615807af
Fix legacy management tokens in unupgraded secondary dcs (#7908)
The ACL.GetPolicy RPC endpoint was supposed to return the “parent” policy and not always the default policy. In the case of legacy management tokens the parent policy was supposed to be “manage”. The result of us not sending this properly was that operations that required specifically a management token such as saving a snapshot would not work in secondary DCs until they were upgraded.
2020-06-03 11:22:22 -04:00
R.B. Boyer 7bd7895047
acl: allow auth methods created in the primary datacenter to optionally create global tokens (#7899) 2020-06-01 11:44:47 -05:00
R.B. Boyer 940e5ad160
acl: add auth method for JWTs (#7846) 2020-05-11 20:59:29 -05:00
R.B. Boyer 1187d7288e
acl: oss plumbing to support auth method namespace rules in enterprise (#7794)
This includes website docs updates.
2020-05-06 13:48:04 -05:00
R.B. Boyer c9c557477b
acl: add MaxTokenTTL field to auth methods (#7779)
When set to a non zero value it will limit the ExpirationTime of all
tokens created via the auth method.
2020-05-04 17:02:57 -05:00
R.B. Boyer 3ac5a841ec
acl: refactor the authmethod.Validator interface (#7760)
This is a collection of refactors that make upcoming PRs easier to digest.

The main change is the introduction of the authmethod.Identity struct.
In the one and only current auth method (type=kubernetes) all of the
trusted identity attributes are both selectable and projectable, so they
were just passed around as a map[string]string.

When namespaces were added, this was slightly changed so that the
enterprise metadata can also come back from the login operation, so
login now returned two fields.

Now with some upcoming auth methods it won't be true that all identity
attributes will be both selectable and projectable, so rather than
update the login function to return 3 pieces of data it seemed worth it
to wrap those fields up and give them a proper name.
2020-05-01 17:35:28 -05:00
R.B. Boyer 4cd1d62e40
acl: change authmethod.Validator to take a logger (#7758) 2020-05-01 15:55:26 -05:00
Matt Keeler 1332628b67
Allow the bootstrap endpoint to be disabled in enterprise. (#7614) 2020-04-14 11:45:39 -04:00
Matt Keeler 5d0e661203
Ensure that token clone copies the roles (#7577) 2020-04-02 12:09:35 -04:00
Alejandro Baez 7d68d7eaa6
Add PolicyReadByName for API (#6615) 2020-03-25 10:34:24 -04:00
Matt Keeler be0d6efac9
Allow the PolicyResolve and RoleResolve endpoints to process na… (#7296) 2020-02-13 14:55:27 -05:00
Chris Piraino 3dd0b59793
Allow users to configure either unstructured or JSON logging (#7130)
* hclog Allow users to choose between unstructured and JSON logging
2020-01-28 17:50:41 -06:00
Matt Keeler 485a0a65ea
Updates to Config Entries and Connect for Namespaces (#7116) 2020-01-24 10:04:58 -05:00
Matt Keeler c8294b8595
AuthMethod updates to support alternate namespace logins (#7029) 2020-01-14 10:09:29 -05:00
Matt Keeler baa89c7c65
Intentions ACL enforcement updates (#7028)
* Renamed structs.IntentionWildcard to structs.WildcardSpecifier

* Refactor ACL Config

Get rid of remnants of enterprise only renaming.

Add a WildcardName field for specifying what string should be used to indicate a wildcard.

* Add wildcard support in the ACL package

For read operations they can call anyAllowed to determine if any read access to the given resource would be granted.

For write operations they can call allAllowed to ensure that write access is granted to everything.

* Make v1/agent/connect/authorize namespace aware

* Update intention ACL enforcement

This also changes how intention:read is granted. Before the Intention.List RPC would allow viewing an intention if the token had intention:read on the destination. However Intention.Match allowed viewing if access was allowed for either the source or dest side. Now Intention.List and Intention.Get fall in line with Intention.Matches previous behavior.

Due to this being done a few different places ACL enforcement for a singular intention is now done with the CanRead and CanWrite methods on the intention itself.

* Refactor Intention.Apply to make things easier to follow.
2020-01-13 15:51:40 -05:00
Matt Keeler 6de4eb8569
OSS changes for implementing token based namespace inferencing
remove debug log
2019-12-18 14:07:08 -05:00
Matt Keeler bdf025a758
Rename EnterpriseAuthorizerContext -> AuthorizerContext 2019-12-18 13:43:24 -05:00
Matt Keeler 609c9dab02
Miscellaneous Fixes (#6896)
Ensure we close the Sentinel Evaluator so as not to leak go routines

Fix a bunch of test logging so that various warnings when starting a test agent go to the ltest logger and not straight to stdout.

Various canned ent meta types always return a valid pointer (no more nils). This allows us to blindly deref + assign in various places.

Update ACL index tracking to ensure oss -> ent upgrades will work as expected.

Update ent meta parsing to include function to disallow wildcarding.
2019-12-06 14:01:34 -05:00
Matt Keeler c15c81a7ed
[Feature] API: Add a internal endpoint to query for ACL authori… (#6888)
* Implement endpoint to query whether the given token is authorized for a set of operations

* Updates to allow for remote ACL authorization via RPC

This is only used when making an authorization request to a different datacenter.
2019-12-06 09:25:26 -05:00
Matt Keeler c71ea7056f
Miscellaneous fixes (#6727) 2019-11-01 16:11:44 -04:00
Matt Keeler 21f98f426e
Add hook for validating the enterprise meta attached to a reque… (#6695) 2019-10-30 12:42:39 -04:00
Matt Keeler c2d9041c0f
PreVerify acl:read access for listing endpoints (#6696)
We still will need to filter results based on the authorizer too but this helps to give an early 403.
2019-10-30 09:10:11 -04:00
Matt Keeler 87c44a3b8d
Ensure that cache entries for tokens are prefixed “token-secret… (#6688)
This will be necessary once we store other types of identities in here.
2019-10-25 13:05:43 -04:00
Matt Keeler 1270a93274
Updates to allow for Namespacing ACL resources in Consul Enterp… (#6675)
Main Changes:

• method signature updates everywhere to account for passing around enterprise meta.
• populate the EnterpriseAuthorizerContext for all ACL related authorizations.
• ACL resource listings now operate like the catalog or kv listings in that the returned entries are filtered down to what the token is allowed to see. With Namespaces its no longer all or nothing.
• Modified the acl.Policy parsing to abstract away basic decoding so that enterprise can do it slightly differently. Also updated method signatures so that when parsing a policy it can take extra ent metadata to use during rules validation and policy creation.

Secondary Changes:

• Moved protobuf encoding functions out of the agentpb package to eliminate circular dependencies.
• Added custom JSON unmarshalers for a few ACL resource types (to support snake case and to get rid of mapstructure)
• AuthMethod validator cache is now an interface as these will be cached per-namespace for Consul Enterprise.
• Added checks for policy/role link existence at the RPC API so we don’t push the request through raft to have it fail internally.
• Forward ACL token delete request to the primary datacenter when the secondary DC doesn’t have the token.
• Added a bunch of ACL test helpers for inserting ACL resource test data.
2019-10-24 14:38:09 -04:00
Matt Keeler f9a43a1e2d
ACL Authorizer overhaul (#6620)
* ACL Authorizer overhaul

To account for upcoming features every Authorization function can now take an extra *acl.EnterpriseAuthorizerContext. These are unused in OSS and will always be nil.

Additionally the acl package has received some thorough refactoring to enable all of the extra Consul Enterprise specific authorizations including moving sentinel enforcement into the stubbed structs. The Authorizer funcs now return an acl.EnforcementDecision instead of a boolean. This improves the overall interface as it makes multiple Authorizers easily chainable as they now indicate whether they had an authoritative decision or should use some other defaults. A ChainedAuthorizer was added to handle this Authorizer enforcement chain and will never itself return a non-authoritative decision.

* Include stub for extra enterprise rules in the global management policy

* Allow for an upgrade of the global-management policy
2019-10-15 16:58:50 -04:00
Christian Muehlhaeuser d1426767f6 Fixed nil check for token (#6179)
I can only assume we want to check for the retrieved `updatedToken` to not be
nil, before accessing it below.

`token` can't possibly be nil at this point, as we accessed `token.AccessorID`
just before.
2019-07-19 07:48:11 -04:00
R.B. Boyer 372bb06c83
acl: a role binding rule for a role that does not exist should be ignored (#5778)
I wrote the docs under this assumption but completely forgot to actually
enforce it.
2019-05-03 14:22:44 -05:00
Matt Keeler 8beb5c6082
ACL Token ID Initialization (#5307) 2019-04-30 11:45:36 -04:00
R.B. Boyer 5a505c5b3a acl: adding support for kubernetes auth provider login (#5600)
* auth providers
* binding rules
* auth provider for kubernetes
* login/logout
2019-04-26 14:49:25 -05:00
R.B. Boyer 9542fdc9bc acl: adding Roles to Tokens (#5514)
Roles are named and can express the same bundle of permissions that can
currently be assigned to a Token (lists of Policies and Service
Identities). The difference with a Role is that it not itself a bearer
token, but just another entity that can be tied to a Token.

This lets an operator potentially curate a set of smaller reusable
Policies and compose them together into reusable Roles, rather than
always exploding that same list of Policies on any Token that needs
similar permissions.

This also refactors the acl replication code to be semi-generic to avoid
3x copypasta.
2019-04-26 14:49:12 -05:00
R.B. Boyer f43bc981e9 making ACLToken.ExpirationTime a *time.Time value instead of time.Time (#5663)
This is mainly to avoid having the API return "0001-01-01T00:00:00Z" as
a value for the ExpirationTime field when it is not set. Unfortunately
time.Time doesn't respect the json marshalling "omitempty" directive.
2019-04-26 14:48:16 -05:00
R.B. Boyer b3956e511c acl: ACL Tokens can now be assigned an optional set of service identities (#5390)
These act like a special cased version of a Policy Template for granting
a token the privileges necessary to register a service and its connect
proxy, and read upstreams from the catalog.
2019-04-26 14:48:04 -05:00
R.B. Boyer 76321aa952 acl: tokens can be created with an optional expiration time (#5353) 2019-04-26 14:47:51 -05:00
R.B. Boyer 91e78e00c7
fix typos reported by golangci-lint:misspell (#5434) 2019-03-06 11:13:28 -06:00
Matt Keeler 87f9365eee Fixes for CVE-2019-8336
Fix error in detecting raft replication errors.

Detect redacted token secrets and prevent attempting to insert.

Add a Redacted field to the TokenBatchRead and TokenRead RPC endpoints

This will indicate whether token secrets have been redacted.

Ensure any token with a redacted secret in secondary datacenters is removed.

Test that redacted tokens cannot be replicated.
2019-03-04 19:13:24 +00:00
R.B. Boyer 77d28fe9ce
clarify the ACL.PolicyDelete endpoint (#5337)
There was an errant early-return in PolicyDelete() that bypassed the
rest of the function.  This was ok because the only caller of this
function ignores the results.

This removes the early-return making it structurally behave like
TokenDelete() and for both PolicyDelete and TokenDelete clarify the lone
callers to indicate that the return values are ignored.

We may wish to avoid the entire return value as well, but this patch
doesn't go that far.
2019-02-13 09:16:30 -06:00
Matt Keeler cc2cd75f5c
Fix several ACL token/policy resolution issues. (#5246)
* Fix 2 remote ACL policy resolution issues

1 - Use the right method to fire async not found errors when the ACL.PolicyResolve RPC returns that error. This was previously accidentally firing a token result instead of a policy result which would have effectively done nothing (unless there happened to be a token with a secret id == the policy id being resolved.

2. When concurrent policy resolution is being done we single flight the requests. The bug before was that for the policy resolution that was going to piggy back on anothers RPC results it wasn’t waiting long enough for the results to come back due to looping with the wrong variable.

* Fix a handful of other edge case ACL scenarios

The main issue was that token specific issues (not able to access a particular policy or the token being deleted after initial fetching) were poisoning the policy cache.

A second issue was that for concurrent token resolutions, the first resolution to get started would go fetch all the policies. If before the policies were retrieved a second resolution request came in, the new request would register watchers for those policies but then never block waiting for them to complete. This resulted in using the default policy when it shouldn't have.
2019-01-22 13:14:43 -05:00
Matt Keeler 29b4512120
acl: Prevent tokens from deleting themselves (#5210)
Fixes #4897 

Also apparently token deletion could segfault in secondary DCs when attempting to delete non-existant tokens. For that reason both checks are wrapped within the non-nil check.
2019-01-10 09:22:51 -05:00
R.B. Boyer a5d57f5326
fix comment typos (#4890) 2018-11-02 12:00:39 -05:00
Matt Keeler ec9934b6f8 Remaining ACL Unit Tests (#4852)
* Add leader token upgrade test and fix various ACL enablement bugs

* Update the leader ACL initialization tests.

* Add a StateStore ACL tests for ACLTokenSet and ACLTokenGetBy* functions

* Advertise the agents acl support status with the agent/self endpoint.

* Make batch token upsert CAS’able to prevent consistency issues with token auto-upgrade

* Finish up the ACL state store token tests

* Finish the ACL state store unit tests

Also rename some things to make them more consistent.

* Do as much ACL replication testing as I can.
2018-10-31 13:00:46 -07:00
Matt Keeler 99e0a124cb
New ACLs (#4791)
This PR is almost a complete rewrite of the ACL system within Consul. It brings the features more in line with other HashiCorp products. Obviously there is quite a bit left to do here but most of it is related docs, testing and finishing the last few commands in the CLI. I will update the PR description and check off the todos as I finish them over the next few days/week.
Description

At a high level this PR is mainly to split ACL tokens from Policies and to split the concepts of Authorization from Identities. A lot of this PR is mostly just to support CRUD operations on ACLTokens and ACLPolicies. These in and of themselves are not particularly interesting. The bigger conceptual changes are in how tokens get resolved, how backwards compatibility is handled and the separation of policy from identity which could lead the way to allowing for alternative identity providers.

On the surface and with a new cluster the ACL system will look very similar to that of Nomads. Both have tokens and policies. Both have local tokens. The ACL management APIs for both are very similar. I even ripped off Nomad's ACL bootstrap resetting procedure. There are a few key differences though.

    Nomad requires token and policy replication where Consul only requires policy replication with token replication being opt-in. In Consul local tokens only work with token replication being enabled though.
    All policies in Nomad are globally applicable. In Consul all policies are stored and replicated globally but can be scoped to a subset of the datacenters. This allows for more granular access management.
    Unlike Nomad, Consul has legacy baggage in the form of the original ACL system. The ramifications of this are:
        A server running the new system must still support other clients using the legacy system.
        A client running the new system must be able to use the legacy RPCs when the servers in its datacenter are running the legacy system.
        The primary ACL DC's servers running in legacy mode needs to be a gate that keeps everything else in the entire multi-DC cluster running in legacy mode.

So not only does this PR implement the new ACL system but has a legacy mode built in for when the cluster isn't ready for new ACLs. Also detecting that new ACLs can be used is automatic and requires no configuration on the part of administrators. This process is detailed more in the "Transitioning from Legacy to New ACL Mode" section below.
2018-10-19 12:04:07 -04:00
Kyle Havlovitz 60307ef328
Remove deprecated metric names 2018-05-08 16:23:15 -07:00
Kyle Havlovitz 0063516e5e
Update metric names and add a legacy config flag 2017-10-04 16:43:27 -07:00
Preetha Appan 8394ad08db Introduce Code Policy validation via sentinel, with a noop implementation 2017-09-25 13:44:55 -05:00
Frank Schröder 44e6b8122d acl: consolidate error handling (#3401)
The error handling of the ACL code relies on the presence of certain
magic error messages. Since the error values are sent via RPC between
older and newer consul agents we cannot just replace the magic values
with typed errors and switch to type checks since this would break
compatibility with older clients.

Therefore, this patch moves all magic ACL error messages into the acl
package and provides default error values and helper functions which
determine the type of error.
2017-08-23 16:52:48 +02:00
Frank Schroeder 1d0bbfed9c
agent: move agent/consul/structs to agent/structs 2017-08-09 14:32:12 +02:00
James Phillips c31b56a03e Adds a new /v1/acl/bootstrap API (#3349) 2017-08-02 17:05:18 -07:00
Frank Schroeder cd837b0b18 pkg refactor
command/agent/*                  -> agent/*
    command/consul/*                 -> agent/consul/*
    command/agent/command{,_test}.go -> command/agent{,_test}.go
    command/base/command.go          -> command/base.go
    command/base/*                   -> command/*
    commands.go                      -> command/commands.go

The script which did the refactor is:

(
	cd $GOPATH/src/github.com/hashicorp/consul
	git mv command/agent/command.go command/agent.go
	git mv command/agent/command_test.go command/agent_test.go
	git mv command/agent/flag_slice_value{,_test}.go command/
	git mv command/agent .
	git mv command/base/command.go command/base.go
	git mv command/base/config_util{,_test}.go command/
	git mv commands.go command/
	git mv consul agent
	rmdir command/base/

	gsed -i -e 's|package agent|package command|' command/agent{,_test}.go
	gsed -i -e 's|package agent|package command|' command/flag_slice_value{,_test}.go
	gsed -i -e 's|package base|package command|' command/base.go command/config_util{,_test}.go
	gsed -i -e 's|package main|package command|' command/commands.go

	gsed -i -e 's|base.Command|BaseCommand|' command/commands.go
	gsed -i -e 's|agent.Command|AgentCommand|' command/commands.go
	gsed -i -e 's|\tCommand:|\tBaseCommand:|' command/commands.go
	gsed -i -e 's|base\.||' command/commands.go
	gsed -i -e 's|command\.||' command/commands.go

	gsed -i -e 's|command|c|' main.go
	gsed -i -e 's|range Commands|range command.Commands|' main.go
	gsed -i -e 's|Commands: Commands|Commands: command.Commands|' main.go

	gsed -i -e 's|base\.BoolValue|BoolValue|' command/operator_autopilot_set.go
	gsed -i -e 's|base\.DurationValue|DurationValue|' command/operator_autopilot_set.go
	gsed -i -e 's|base\.StringValue|StringValue|' command/operator_autopilot_set.go
	gsed -i -e 's|base\.UintValue|UintValue|' command/operator_autopilot_set.go

	gsed -i -e 's|\bCommand\b|BaseCommand|' command/base.go
	gsed -i -e 's|BaseCommand Options|Command Options|' command/base.go
	gsed -i -e 's|base.Command|BaseCommand|' command/*.go
	gsed -i -e 's|c\.Command|c.BaseCommand|g' command/*.go
	gsed -i -e 's|\tCommand:|\tBaseCommand:|' command/*_test.go
	gsed -i -e 's|base\.||' command/*_test.go

	gsed -i -e 's|\bCommand\b|AgentCommand|' command/agent{,_test}.go
	gsed -i -e 's|cmd.AgentCommand|cmd.BaseCommand|' command/agent.go

	gsed -i -e 's|cli.AgentCommand = new(Command)|cli.Command = new(AgentCommand)|' command/agent_test.go
	gsed -i -e 's|exec.AgentCommand|exec.Command|' command/agent_test.go
	gsed -i -e 's|exec.BaseCommand|exec.Command|' command/agent_test.go
	gsed -i -e 's|NewTestAgent|agent.NewTestAgent|' command/agent_test.go
	gsed -i -e 's|= TestConfig|= agent.TestConfig|' command/agent_test.go
	gsed -i -e 's|: RetryJoin|: agent.RetryJoin|' command/agent_test.go

	gsed -i -e 's|\.\./\.\./|../|' command/config_util_test.go

	gsed -i -e 's|\bverifyUniqueListeners|VerifyUniqueListeners|' agent/config{,_test}.go command/agent.go
	gsed -i -e 's|\bserfLANKeyring\b|SerfLANKeyring|g' agent/{agent,keyring,testagent}.go command/agent.go
	gsed -i -e 's|\bserfWANKeyring\b|SerfWANKeyring|g' agent/{agent,keyring,testagent}.go command/agent.go
	gsed -i -e 's|\bNewAgent\b|agent.New|g' command/agent{,_test}.go
	gsed -i -e 's|\bNewAgent|New|' agent/{acl_test,agent,testagent}.go

	gsed -i -e 's|\bAgent\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bBool\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bDefaultConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bDevConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bMergeConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bReadConfigPaths\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bParseMetaPair\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bSerfLANKeyring\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bSerfWANKeyring\b|agent.&|g' command/agent{,_test}.go

	gsed -i -e 's|circonus\.agent|circonus|g' command/agent{,_test}.go
	gsed -i -e 's|logger\.agent|logger|g' command/agent{,_test}.go
	gsed -i -e 's|metrics\.agent|metrics|g' command/agent{,_test}.go
	gsed -i -e 's|// agent.Agent|// agent|' command/agent{,_test}.go
	gsed -i -e 's|a\.agent\.Config|a.Config|' command/agent{,_test}.go

	gsed -i -e 's|agent\.AppendSliceValue|AppendSliceValue|' command/{configtest,validate}.go

	gsed -i -e 's|consul/consul|agent/consul|' GNUmakefile

	gsed -i -e 's|\.\./test|../../test|' agent/consul/server_test.go

	# fix imports
	f=$(grep -rl 'github.com/hashicorp/consul/command/agent' * | grep '\.go')
	gsed -i -e 's|github.com/hashicorp/consul/command/agent|github.com/hashicorp/consul/agent|' $f
	goimports -w $f

	f=$(grep -rl 'github.com/hashicorp/consul/consul' * | grep '\.go')
	gsed -i -e 's|github.com/hashicorp/consul/consul|github.com/hashicorp/consul/agent/consul|' $f
	goimports -w $f

	goimports -w command/*.go main.go
)
2017-06-10 18:52:45 +02:00
Renamed from consul/acl_endpoint.go (Browse further)