package consul import ( "fmt" "os" "reflect" "strings" "sync/atomic" "testing" "time" "github.com/hashicorp/consul/acl" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/api" "github.com/hashicorp/consul/sdk/testutil" "github.com/hashicorp/consul/sdk/testutil/retry" "github.com/mitchellh/copystructure" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) var testACLPolicy = ` key "" { policy = "deny" } key "foo/" { policy = "write" } ` var testACLPolicyNew = ` key_prefix "" { policy = "deny" } key_prefix "foo/" { policy = "write" } ` type asyncResolutionResult struct { authz acl.Authorizer err error } func verifyAuthorizerChain(t *testing.T, expected acl.Authorizer, actual acl.Authorizer) { expectedChainAuthz, ok := expected.(*acl.ChainedAuthorizer) require.True(t, ok, "expected Authorizer is not a ChainedAuthorizer") actualChainAuthz, ok := actual.(*acl.ChainedAuthorizer) require.True(t, ok, "actual Authorizer is not a ChainedAuthorizer") expectedChain := expectedChainAuthz.AuthorizerChain() actualChain := actualChainAuthz.AuthorizerChain() require.Equal(t, len(expectedChain), len(actualChain), "ChainedAuthorizers have different length chains") for idx, expectedAuthz := range expectedChain { actualAuthz := actualChain[idx] // pointer equality - because we want to verify authorizer reuse require.True(t, expectedAuthz == actualAuthz, "Authorizer pointers are not equal") } } func resolveTokenAsync(r *ACLResolver, token string, ch chan *asyncResolutionResult) { authz, err := r.ResolveToken(token) ch <- &asyncResolutionResult{authz: authz, err: err} } func testIdentityForToken(token string) (bool, structs.ACLIdentity, error) { switch token { case "missing-policy": return true, &structs.ACLToken{ AccessorID: "435a75af-1763-4980-89f4-f0951dda53b4", SecretID: "b1b6be70-ed2e-4c80-8495-bdb3db110b1e", Policies: []structs.ACLTokenPolicyLink{ { ID: "not-found", }, { ID: "acl-ro", }, }, }, nil case "missing-role": return true, &structs.ACLToken{ AccessorID: "435a75af-1763-4980-89f4-f0951dda53b4", SecretID: "b1b6be70-ed2e-4c80-8495-bdb3db110b1e", Roles: []structs.ACLTokenRoleLink{ { ID: "not-found", }, { ID: "acl-ro", }, }, }, nil case "missing-policy-on-role": return true, &structs.ACLToken{ AccessorID: "435a75af-1763-4980-89f4-f0951dda53b4", SecretID: "b1b6be70-ed2e-4c80-8495-bdb3db110b1e", Roles: []structs.ACLTokenRoleLink{ { ID: "missing-policy", }, }, }, nil case "legacy-management": return true, &structs.ACLToken{ AccessorID: "d109a033-99d1-47e2-a711-d6593373a973", SecretID: "415cd1e1-1493-4fb4-827d-d762ed9cfe7c", Type: structs.ACLTokenTypeManagement, }, nil case "legacy-client": return true, &structs.ACLToken{ AccessorID: "b7375838-b104-4a25-b457-329d939bf257", SecretID: "03f49328-c23c-4b26-92a2-3b898332400d", Type: structs.ACLTokenTypeClient, Rules: `service "" { policy = "read" }`, }, nil case "found": return true, &structs.ACLToken{ AccessorID: "5f57c1f6-6a89-4186-9445-531b316e01df", SecretID: "a1a54629-5050-4d17-8a4e-560d2423f835", Policies: []structs.ACLTokenPolicyLink{ { ID: "node-wr", }, { ID: "dc2-key-wr", }, }, }, nil case "found-role": // This should be permission-wise identical to "found", except it // gets it's policies indirectly by way of a Role. return true, &structs.ACLToken{ AccessorID: "5f57c1f6-6a89-4186-9445-531b316e01df", SecretID: "a1a54629-5050-4d17-8a4e-560d2423f835", Roles: []structs.ACLTokenRoleLink{ { ID: "found", }, }, }, nil case "found-policy-and-role": return true, &structs.ACLToken{ AccessorID: "5f57c1f6-6a89-4186-9445-531b316e01df", SecretID: "a1a54629-5050-4d17-8a4e-560d2423f835", Policies: []structs.ACLTokenPolicyLink{ { ID: "node-wr", }, { ID: "dc2-key-wr", }, }, Roles: []structs.ACLTokenRoleLink{ { ID: "service-ro", }, }, }, nil case "found-synthetic-policy-1": return true, &structs.ACLToken{ AccessorID: "f6c5a5fb-4da4-422b-9abf-2c942813fc71", SecretID: "55cb7d69-2bea-42c3-a68f-2a1443d2abbc", ServiceIdentities: []*structs.ACLServiceIdentity{ { ServiceName: "service1", }, }, }, nil case "found-synthetic-policy-2": return true, &structs.ACLToken{ AccessorID: "7c87dfad-be37-446e-8305-299585677cb5", SecretID: "dfca9676-ac80-453a-837b-4c0cf923473c", ServiceIdentities: []*structs.ACLServiceIdentity{ { ServiceName: "service2", }, }, }, nil case "found-synthetic-policy-3": return true, &structs.ACLToken{ AccessorID: "bebccc92-3987-489d-84c2-ffd00d93ef93", SecretID: "de70f2e2-69d9-4e88-9815-f91c03c6bcb1", NodeIdentities: []*structs.ACLNodeIdentity{ { NodeName: "test-node1", Datacenter: "dc1", }, // as the resolver is in dc1 this identity should be ignored { NodeName: "test-node-dc2", Datacenter: "dc2", }, }, }, nil case "found-synthetic-policy-4": return true, &structs.ACLToken{ AccessorID: "359b9927-25fd-46b9-bd14-3470f848ec65", SecretID: "83c4d500-847d-49f7-8c08-0483f6b4156e", NodeIdentities: []*structs.ACLNodeIdentity{ { NodeName: "test-node2", Datacenter: "dc1", }, // as the resolver is in dc1 this identity should be ignored { NodeName: "test-node-dc2", Datacenter: "dc2", }, }, }, nil case "found-role-node-identity": return true, &structs.ACLToken{ AccessorID: "f3f47a09-de29-4c57-8f54-b65a9be79641", SecretID: "e96aca00-5951-4b97-b0e5-5816f42dfb93", Roles: []structs.ACLTokenRoleLink{ { ID: "node-identity", }, }, }, nil case "acl-ro": return true, &structs.ACLToken{ AccessorID: "435a75af-1763-4980-89f4-f0951dda53b4", SecretID: "b1b6be70-ed2e-4c80-8495-bdb3db110b1e", Policies: []structs.ACLTokenPolicyLink{ { ID: "acl-ro", }, }, }, nil case "acl-wr": return true, &structs.ACLToken{ AccessorID: "435a75af-1763-4980-89f4-f0951dda53b4", SecretID: "b1b6be70-ed2e-4c80-8495-bdb3db110b1e", Policies: []structs.ACLTokenPolicyLink{ { ID: "acl-wr", }, }, }, nil case "racey-unmodified": return true, &structs.ACLToken{ AccessorID: "5f57c1f6-6a89-4186-9445-531b316e01df", SecretID: "a1a54629-5050-4d17-8a4e-560d2423f835", Policies: []structs.ACLTokenPolicyLink{ { ID: "node-wr", }, { ID: "acl-wr", }, }, }, nil case "racey-modified": return true, &structs.ACLToken{ AccessorID: "5f57c1f6-6a89-4186-9445-531b316e01df", SecretID: "a1a54629-5050-4d17-8a4e-560d2423f835", Policies: []structs.ACLTokenPolicyLink{ { ID: "node-wr", }, }, }, nil case "concurrent-resolve": return true, &structs.ACLToken{ AccessorID: "5f57c1f6-6a89-4186-9445-531b316e01df", SecretID: "a1a54629-5050-4d17-8a4e-560d2423f835", Policies: []structs.ACLTokenPolicyLink{ { ID: "node-wr", }, { ID: "acl-wr", }, }, }, nil case anonymousToken: return true, &structs.ACLToken{ AccessorID: "00000000-0000-0000-0000-000000000002", SecretID: anonymousToken, Policies: []structs.ACLTokenPolicyLink{ { ID: "node-wr", }, }, }, nil default: return testIdentityForTokenEnterprise(token) } } func testPolicyForID(policyID string) (bool, *structs.ACLPolicy, error) { switch policyID { case "acl-ro": return true, &structs.ACLPolicy{ ID: "acl-ro", Name: "acl-ro", Description: "acl-ro", Rules: `acl = "read"`, Syntax: acl.SyntaxCurrent, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "acl-wr": return true, &structs.ACLPolicy{ ID: "acl-wr", Name: "acl-wr", Description: "acl-wr", Rules: `acl = "write"`, Syntax: acl.SyntaxCurrent, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "service-ro": return true, &structs.ACLPolicy{ ID: "service-ro", Name: "service-ro", Description: "service-ro", Rules: `service_prefix "" { policy = "read" }`, Syntax: acl.SyntaxCurrent, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "service-wr": return true, &structs.ACLPolicy{ ID: "service-wr", Name: "service-wr", Description: "service-wr", Rules: `service_prefix "" { policy = "write" }`, Syntax: acl.SyntaxCurrent, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "node-wr": return true, &structs.ACLPolicy{ ID: "node-wr", Name: "node-wr", Description: "node-wr", Rules: `node_prefix "" { policy = "write"}`, Syntax: acl.SyntaxCurrent, Datacenters: []string{"dc1"}, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "dc2-key-wr": return true, &structs.ACLPolicy{ ID: "dc2-key-wr", Name: "dc2-key-wr", Description: "dc2-key-wr", Rules: `key_prefix "" { policy = "write"}`, Syntax: acl.SyntaxCurrent, Datacenters: []string{"dc2"}, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil default: return testPolicyForIDEnterprise(policyID) } } func testRoleForID(roleID string) (bool, *structs.ACLRole, error) { switch roleID { case "service-ro": return true, &structs.ACLRole{ ID: "service-ro", Name: "service-ro", Description: "service-ro", Policies: []structs.ACLRolePolicyLink{ { ID: "service-ro", }, }, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "service-wr": return true, &structs.ACLRole{ ID: "service-wr", Name: "service-wr", Description: "service-wr", Policies: []structs.ACLRolePolicyLink{ { ID: "service-wr", }, }, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "missing-policy": return true, &structs.ACLRole{ ID: "missing-policy", Name: "missing-policy", Description: "missing-policy", Policies: []structs.ACLRolePolicyLink{ { ID: "not-found", }, { ID: "acl-ro", }, }, RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2}, }, nil case "found": return true, &structs.ACLRole{ ID: "found", Name: "found", Description: "found", Policies: []structs.ACLRolePolicyLink{ { ID: "node-wr", }, { ID: "dc2-key-wr", }, }, }, nil case "acl-ro": return true, &structs.ACLRole{ ID: "acl-ro", Name: "acl-ro", Description: "acl-ro", Policies: []structs.ACLRolePolicyLink{ { ID: "acl-ro", }, }, }, nil case "acl-wr": return true, &structs.ACLRole{ ID: "acl-rw", Name: "acl-rw", Description: "acl-rw", Policies: []structs.ACLRolePolicyLink{ { ID: "acl-wr", }, }, }, nil case "racey-unmodified": return true, &structs.ACLRole{ ID: "racey-unmodified", Name: "racey-unmodified", Description: "racey-unmodified", Policies: []structs.ACLRolePolicyLink{ { ID: "node-wr", }, { ID: "acl-wr", }, }, }, nil case "racey-modified": return true, &structs.ACLRole{ ID: "racey-modified", Name: "racey-modified", Description: "racey-modified", Policies: []structs.ACLRolePolicyLink{ { ID: "node-wr", }, }, }, nil case "concurrent-resolve-1": return true, &structs.ACLRole{ ID: "concurrent-resolve-1", Name: "concurrent-resolve-1", Description: "concurrent-resolve-1", Policies: []structs.ACLRolePolicyLink{ { ID: "node-wr", }, { ID: "acl-wr", }, }, }, nil case "concurrent-resolve-2": return true, &structs.ACLRole{ ID: "concurrent-resolve-2", Name: "concurrent-resolve-2", Description: "concurrent-resolve-2", Policies: []structs.ACLRolePolicyLink{ { ID: "node-wr", }, { ID: "acl-wr", }, }, }, nil case "node-identity": return true, &structs.ACLRole{ ID: "node-identity", Name: "node-identity", Description: "node-identity", NodeIdentities: []*structs.ACLNodeIdentity{ { NodeName: "test-node", Datacenter: "dc1", }, { NodeName: "test-node-dc2", Datacenter: "dc2", }, }, }, nil default: return testRoleForIDEnterprise(roleID) } } // ACLResolverTestDelegate is used to test // the ACLResolver without running Agents type ACLResolverTestDelegate struct { // enabled is no longer part of the delegate. It is still here as a field on // the fake delegate because many tests use this field to enable ACLs. This field // is now used to set ACLResolverConfig.Config.ACLsEnabled. enabled bool datacenter string legacy bool localTokens bool localPolicies bool localRoles bool getPolicyFn func(*structs.ACLPolicyResolveLegacyRequest, *structs.ACLPolicyResolveLegacyResponse) error tokenReadFn func(*structs.ACLTokenGetRequest, *structs.ACLTokenResponse) error policyResolveFn func(*structs.ACLPolicyBatchGetRequest, *structs.ACLPolicyBatchResponse) error roleResolveFn func(*structs.ACLRoleBatchGetRequest, *structs.ACLRoleBatchResponse) error localTokenResolutions int32 remoteTokenResolutions int32 localPolicyResolutions int32 remotePolicyResolutions int32 localRoleResolutions int32 remoteRoleResolutions int32 remoteLegacyResolutions int32 // state for the optional default resolver function defaultTokenReadFn tokenCached bool // state for the optional default resolver function defaultPolicyResolveFn policyCached bool // state for the optional default resolver function defaultRoleResolveFn roleCached bool EnterpriseACLResolverTestDelegate } func (d *ACLResolverTestDelegate) Reset() { d.tokenCached = false d.policyCached = false d.roleCached = false } var errRPC = fmt.Errorf("Induced RPC Error") func (d *ACLResolverTestDelegate) defaultTokenReadFn(errAfterCached error) func(*structs.ACLTokenGetRequest, *structs.ACLTokenResponse) error { return func(args *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { if !d.tokenCached { err := d.plainTokenReadFn(args, reply) d.tokenCached = true return err } return errAfterCached } } func (d *ACLResolverTestDelegate) plainTokenReadFn(args *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { _, token, err := testIdentityForToken(args.TokenID) if token != nil { reply.Token = token.(*structs.ACLToken) } return err } func (d *ACLResolverTestDelegate) defaultPolicyResolveFn(errAfterCached error) func(*structs.ACLPolicyBatchGetRequest, *structs.ACLPolicyBatchResponse) error { return func(args *structs.ACLPolicyBatchGetRequest, reply *structs.ACLPolicyBatchResponse) error { if !d.policyCached { err := d.plainPolicyResolveFn(args, reply) d.policyCached = true return err } return errAfterCached } } func (d *ACLResolverTestDelegate) plainPolicyResolveFn(args *structs.ACLPolicyBatchGetRequest, reply *structs.ACLPolicyBatchResponse) error { // TODO: if we were being super correct about it, we'd verify the token first // TODO: and possibly return a not-found or permission-denied here for _, policyID := range args.PolicyIDs { _, policy, _ := testPolicyForID(policyID) if policy != nil { reply.Policies = append(reply.Policies, policy) } } return nil } func (d *ACLResolverTestDelegate) defaultRoleResolveFn(errAfterCached error) func(*structs.ACLRoleBatchGetRequest, *structs.ACLRoleBatchResponse) error { return func(args *structs.ACLRoleBatchGetRequest, reply *structs.ACLRoleBatchResponse) error { if !d.roleCached { err := d.plainRoleResolveFn(args, reply) d.roleCached = true return err } return errAfterCached } } // plainRoleResolveFn tries to follow the normal logic of ACL.RoleResolve using // the test fixtures. func (d *ACLResolverTestDelegate) plainRoleResolveFn(args *structs.ACLRoleBatchGetRequest, reply *structs.ACLRoleBatchResponse) error { // TODO: if we were being super correct about it, we'd verify the token first // TODO: and possibly return a not-found or permission-denied here for _, roleID := range args.RoleIDs { _, role, _ := testRoleForID(roleID) if role != nil { reply.Roles = append(reply.Roles, role) } } return nil } func (d *ACLResolverTestDelegate) ACLDatacenter(legacy bool) string { return d.datacenter } func (d *ACLResolverTestDelegate) UseLegacyACLs() bool { return d.legacy } func (d *ACLResolverTestDelegate) ResolveIdentityFromToken(token string) (bool, structs.ACLIdentity, error) { if !d.localTokens { return false, nil, nil } atomic.AddInt32(&d.localTokenResolutions, 1) return testIdentityForToken(token) } func (d *ACLResolverTestDelegate) ResolvePolicyFromID(policyID string) (bool, *structs.ACLPolicy, error) { if !d.localPolicies { return false, nil, nil } atomic.AddInt32(&d.localPolicyResolutions, 1) return testPolicyForID(policyID) } func (d *ACLResolverTestDelegate) ResolveRoleFromID(roleID string) (bool, *structs.ACLRole, error) { if !d.localRoles { return false, nil, nil } atomic.AddInt32(&d.localRoleResolutions, 1) return testRoleForID(roleID) } func (d *ACLResolverTestDelegate) RPC(method string, args interface{}, reply interface{}) error { switch method { case "ACL.GetPolicy": atomic.AddInt32(&d.remoteLegacyResolutions, 1) if d.getPolicyFn != nil { return d.getPolicyFn(args.(*structs.ACLPolicyResolveLegacyRequest), reply.(*structs.ACLPolicyResolveLegacyResponse)) } panic("Bad Test Implementation: should provide a getPolicyFn to the ACLResolverTestDelegate") case "ACL.TokenRead": atomic.AddInt32(&d.remoteTokenResolutions, 1) if d.tokenReadFn != nil { return d.tokenReadFn(args.(*structs.ACLTokenGetRequest), reply.(*structs.ACLTokenResponse)) } panic("Bad Test Implementation: should provide a tokenReadFn to the ACLResolverTestDelegate") case "ACL.PolicyResolve": atomic.AddInt32(&d.remotePolicyResolutions, 1) if d.policyResolveFn != nil { return d.policyResolveFn(args.(*structs.ACLPolicyBatchGetRequest), reply.(*structs.ACLPolicyBatchResponse)) } panic("Bad Test Implementation: should provide a policyResolveFn to the ACLResolverTestDelegate") case "ACL.RoleResolve": atomic.AddInt32(&d.remoteRoleResolutions, 1) if d.roleResolveFn != nil { return d.roleResolveFn(args.(*structs.ACLRoleBatchGetRequest), reply.(*structs.ACLRoleBatchResponse)) } panic("Bad Test Implementation: should provide a roleResolveFn to the ACLResolverTestDelegate") } if handled, err := d.EnterpriseACLResolverTestDelegate.RPC(method, args, reply); handled { return err } panic("Bad Test Implementation: Was the ACLResolver updated to use new RPC methods") } func newTestACLResolver(t *testing.T, delegate *ACLResolverTestDelegate, cb func(*ACLResolverConfig)) *ACLResolver { config := DefaultConfig() config.ACLDefaultPolicy = "deny" config.ACLDownPolicy = "extend-cache" config.ACLsEnabled = delegate.enabled rconf := &ACLResolverConfig{ Config: config, Logger: testutil.Logger(t), CacheConfig: &structs.ACLCachesConfig{ Identities: 4, Policies: 4, ParsedPolicies: 4, Authorizers: 4, Roles: 4, }, AutoDisable: true, Delegate: delegate, } if cb != nil { cb(rconf) } resolver, err := NewACLResolver(rconf) require.NoError(t, err) return resolver } func TestACLResolver_Disabled(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: false, datacenter: "dc1", legacy: false, } r := newTestACLResolver(t, delegate, nil) authz, err := r.ResolveToken("does not exist") require.Nil(t, authz) require.Nil(t, err) } func TestACLResolver_ResolveRootACL(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, } r := newTestACLResolver(t, delegate, nil) t.Run("Allow", func(t *testing.T) { authz, err := r.ResolveToken("allow") require.Nil(t, authz) require.Error(t, err) require.True(t, acl.IsErrRootDenied(err)) }) t.Run("Deny", func(t *testing.T) { authz, err := r.ResolveToken("deny") require.Nil(t, authz) require.Error(t, err) require.True(t, acl.IsErrRootDenied(err)) }) t.Run("Manage", func(t *testing.T) { authz, err := r.ResolveToken("manage") require.Nil(t, authz) require.Error(t, err) require.True(t, acl.IsErrRootDenied(err)) }) } func TestACLResolver_DownPolicy(t *testing.T) { t.Parallel() requireIdentityCached := func(t *testing.T, r *ACLResolver, id string, present bool, msg string) { t.Helper() cacheVal := r.cache.GetIdentity(id) require.NotNil(t, cacheVal) if present { require.NotNil(t, cacheVal.Identity, msg) } else { require.Nil(t, cacheVal.Identity, msg) } } requirePolicyCached := func(t *testing.T, r *ACLResolver, policyID string, present bool, msg string) { t.Helper() cacheVal := r.cache.GetPolicy(policyID) require.NotNil(t, cacheVal) if present { require.NotNil(t, cacheVal.Policy, msg) } else { require.Nil(t, cacheVal.Policy, msg) } } t.Run("Deny", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: true, localRoles: true, tokenReadFn: func(*structs.ACLTokenGetRequest, *structs.ACLTokenResponse) error { return errRPC }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "deny" }) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, authz, acl.DenyAll()) requireIdentityCached(t, r, tokenSecretCacheID("foo"), false, "not present") }) t.Run("Allow", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: true, localRoles: true, tokenReadFn: func(*structs.ACLTokenGetRequest, *structs.ACLTokenResponse) error { return errRPC }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "allow" }) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, authz, acl.AllowAll()) requireIdentityCached(t, r, tokenSecretCacheID("foo"), false, "not present") }) t.Run("Expired-Policy", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: false, localRoles: false, } delegate.policyResolveFn = delegate.defaultPolicyResolveFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "deny" config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", true, "cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "cached") // from "found" token // policy cache expired - so we will fail to resolve that policy and use the default policy only authz2, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz2) require.NotEqual(t, authz, authz2) require.Equal(t, acl.Deny, authz2.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", false, "expired") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", false, "expired") // from "found" token }) t.Run("Expired-Role", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: false, localRoles: false, } delegate.policyResolveFn = delegate.defaultPolicyResolveFn(errRPC) delegate.roleResolveFn = delegate.defaultRoleResolveFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "deny" config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // role cache expired - so we will fail to resolve that role and use the default policy only authz2, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz2) require.False(t, authz == authz2) require.Equal(t, acl.Deny, authz2.NodeWrite("foo", nil)) }) t.Run("Extend-Cache-Policy", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: true, localRoles: true, } delegate.tokenReadFn = delegate.defaultTokenReadFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requireIdentityCached(t, r, tokenSecretCacheID("found"), true, "cached") authz2, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz2) verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz2.NodeWrite("foo", nil)) }) t.Run("Extend-Cache-Role", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: true, localRoles: true, } delegate.tokenReadFn = delegate.defaultTokenReadFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requireIdentityCached(t, r, tokenSecretCacheID("found-role"), true, "still cached") authz2, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz2) // testing pointer equality - these will be the same object because it is cached. verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz2.NodeWrite("foo", nil)) }) t.Run("Extend-Cache-Expired-Policy", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: false, localRoles: false, } delegate.policyResolveFn = delegate.defaultPolicyResolveFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", true, "cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "cached") // from "found" token // Will just use the policy cache authz2, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz2) verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", true, "still cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "still cached") // from "found" token }) t.Run("Extend-Cache-Expired-Role", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: false, localRoles: false, } delegate.policyResolveFn = delegate.defaultPolicyResolveFn(errRPC) delegate.roleResolveFn = delegate.defaultRoleResolveFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // Will just use the policy cache authz2, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz2) verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) }) t.Run("Async-Cache-Expired-Policy", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: false, localRoles: false, } // We don't need to return acl.ErrNotFound here but we could. The ACLResolver will search for any // policies not in the response and emit an ACL not found for any not-found within the result set. delegate.policyResolveFn = delegate.defaultPolicyResolveFn(nil) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "async-cache" config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", true, "cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "cached") // from "found" token // The identity should have been cached so this should still be valid authz2, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz2) // testing pointer equality - these will be the same object because it is cached. verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // the go routine spawned will eventually return with a authz that doesn't have the policy retry.Run(t, func(t *retry.R) { authz3, err := r.ResolveToken("found") assert.NoError(t, err) assert.NotNil(t, authz3) assert.Equal(t, acl.Deny, authz3.NodeWrite("foo", nil)) }) requirePolicyCached(t, r, "node-wr", false, "no longer cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", false, "no longer cached") // from "found" token }) t.Run("Async-Cache-Expired-Role", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: false, localRoles: false, } // We don't need to return acl.ErrNotFound here but we could. The ACLResolver will search for any // policies not in the response and emit an ACL not found for any not-found within the result set. delegate.policyResolveFn = delegate.defaultPolicyResolveFn(nil) delegate.roleResolveFn = delegate.defaultRoleResolveFn(nil) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "async-cache" config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // The identity should have been cached so this should still be valid authz2, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz2) // testing pointer equality - these will be the same object because it is cached. verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // the go routine spawned will eventually return with a authz that doesn't have the policy retry.Run(t, func(t *retry.R) { authz3, err := r.ResolveToken("found-role") assert.NoError(t, err) assert.NotNil(t, authz3) assert.Equal(t, acl.Deny, authz3.NodeWrite("foo", nil)) }) }) t.Run("Extend-Cache-Client-Policy", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, localRoles: false, } delegate.tokenReadFn = delegate.defaultTokenReadFn(errRPC) delegate.policyResolveFn = delegate.defaultPolicyResolveFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLTokenTTL = 0 config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", true, "cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "cached") // from "found" token authz2, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz2) // testing pointer equality - these will be the same object because it is cached. verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz2.NodeWrite("foo", nil)) }) t.Run("Extend-Cache-Client-Role", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, localRoles: false, } delegate.tokenReadFn = delegate.defaultTokenReadFn(errRPC) delegate.policyResolveFn = delegate.defaultPolicyResolveFn(errRPC) delegate.roleResolveFn = delegate.defaultRoleResolveFn(errRPC) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLTokenTTL = 0 config.Config.ACLPolicyTTL = 0 config.Config.ACLRoleTTL = 0 }) authz, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requirePolicyCached(t, r, "node-wr", true, "still cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "still cached") // from "found" token authz2, err := r.ResolveToken("found-role") require.NoError(t, err) require.NotNil(t, authz2) // testing pointer equality - these will be the same object because it is cached. verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz2.NodeWrite("foo", nil)) }) t.Run("Async-Cache", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: true, localRoles: true, } delegate.tokenReadFn = delegate.defaultTokenReadFn(acl.ErrNotFound) r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "async-cache" config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) requireIdentityCached(t, r, tokenSecretCacheID("found"), true, "cached") // The identity should have been cached so this should still be valid authz2, err := r.ResolveToken("found") require.NoError(t, err) require.NotNil(t, authz2) verifyAuthorizerChain(t, authz, authz2) require.Equal(t, acl.Allow, authz2.NodeWrite("foo", nil)) // the go routine spawned will eventually return and this will be a not found error retry.Run(t, func(t *retry.R) { authz3, err := r.ResolveToken("found") assert.Error(t, err) assert.True(t, acl.IsErrNotFound(err)) assert.Nil(t, authz3) }) requireIdentityCached(t, r, tokenSecretCacheID("found"), false, "no longer cached") }) t.Run("PolicyResolve-TokenNotFound", func(t *testing.T) { t.Parallel() _, rawToken, _ := testIdentityForToken("found") foundToken := rawToken.(*structs.ACLToken) secretID := foundToken.SecretID tokenResolved := false policyResolved := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, tokenReadFn: func(args *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { if !tokenResolved { reply.Token = foundToken tokenResolved = true return nil } return fmt.Errorf("Not Supposed to be Invoked again") }, policyResolveFn: func(args *structs.ACLPolicyBatchGetRequest, reply *structs.ACLPolicyBatchResponse) error { if !policyResolved { for _, policyID := range args.PolicyIDs { _, policy, _ := testPolicyForID(policyID) if policy != nil { reply.Policies = append(reply.Policies, policy) } } policyResolved = true return nil } return acl.ErrNotFound // test condition }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLTokenTTL = 0 config.Config.ACLPolicyTTL = 0 }) // Prime the standard caches. authz, err := r.ResolveToken(secretID) require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // Verify that the caches are setup properly. requireIdentityCached(t, r, tokenSecretCacheID(secretID), true, "cached") requirePolicyCached(t, r, "node-wr", true, "cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "cached") // from "found" token // Nuke 1 policy from the cache so that we force a policy resolve // during token resolve. r.cache.RemovePolicy("dc2-key-wr") _, err = r.ResolveToken(secretID) require.True(t, acl.IsErrNotFound(err)) requireIdentityCached(t, r, tokenSecretCacheID(secretID), false, "identity not found cached") requirePolicyCached(t, r, "node-wr", true, "still cached") require.Nil(t, r.cache.GetPolicy("dc2-key-wr"), "not stored at all") }) t.Run("PolicyResolve-PermissionDenied", func(t *testing.T) { t.Parallel() _, rawToken, _ := testIdentityForToken("found") foundToken := rawToken.(*structs.ACLToken) secretID := foundToken.SecretID policyResolved := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, tokenReadFn: func(args *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { // no limit reply.Token = foundToken return nil }, policyResolveFn: func(args *structs.ACLPolicyBatchGetRequest, reply *structs.ACLPolicyBatchResponse) error { if !policyResolved { for _, policyID := range args.PolicyIDs { _, policy, _ := testPolicyForID(policyID) if policy != nil { reply.Policies = append(reply.Policies, policy) } } policyResolved = true return nil } return acl.ErrPermissionDenied // test condition }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "extend-cache" config.Config.ACLTokenTTL = 0 config.Config.ACLPolicyTTL = 0 }) // Prime the standard caches. authz, err := r.ResolveToken(secretID) require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) // Verify that the caches are setup properly. requireIdentityCached(t, r, tokenSecretCacheID(secretID), true, "cached") requirePolicyCached(t, r, "node-wr", true, "cached") // from "found" token requirePolicyCached(t, r, "dc2-key-wr", true, "cached") // from "found" token // Nuke 1 policy from the cache so that we force a policy resolve // during token resolve. r.cache.RemovePolicy("dc2-key-wr") _, err = r.ResolveToken(secretID) require.True(t, acl.IsErrPermissionDenied(err)) require.Nil(t, r.cache.GetIdentity(tokenSecretCacheID(secretID)), "identity not stored at all") requirePolicyCached(t, r, "node-wr", true, "still cached") require.Nil(t, r.cache.GetPolicy("dc2-key-wr"), "not stored at all") }) } func TestACLResolver_DatacenterScoping(t *testing.T) { t.Parallel() t.Run("dc1", func(t *testing.T) { delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: true, localRoles: true, // No need to provide any of the RPC callbacks } r := newTestACLResolver(t, delegate, nil) authz, err := r.ResolveToken("found") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Deny, authz.KeyWrite("foo", nil)) }) t.Run("dc2", func(t *testing.T) { delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc2", legacy: false, localTokens: true, localPolicies: true, localRoles: true, // No need to provide any of the RPC callbacks } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.Datacenter = "dc2" }) authz, err := r.ResolveToken("found") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.KeyWrite("foo", nil)) }) } // TODO(rb): replicate this sort of test but for roles func TestACLResolver_Client(t *testing.T) { t.Parallel() t.Run("Racey-Token-Mod-Policy-Resolve", func(t *testing.T) { t.Parallel() var tokenReads int32 var policyResolves int32 modified := false deleted := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, tokenReadFn: func(args *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { atomic.AddInt32(&tokenReads, 1) if deleted { return acl.ErrNotFound } else if modified { _, token, _ := testIdentityForToken("racey-modified") reply.Token = token.(*structs.ACLToken) } else { _, token, _ := testIdentityForToken("racey-unmodified") reply.Token = token.(*structs.ACLToken) } return nil }, policyResolveFn: func(args *structs.ACLPolicyBatchGetRequest, reply *structs.ACLPolicyBatchResponse) error { atomic.AddInt32(&policyResolves, 1) if deleted { return acl.ErrNotFound } else if !modified { modified = true return acl.ErrPermissionDenied } else { deleted = true for _, policyID := range args.PolicyIDs { _, policy, _ := testPolicyForID(policyID) if policy != nil { reply.Policies = append(reply.Policies, policy) } } modified = true return nil } }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLTokenTTL = 600 * time.Second config.Config.ACLPolicyTTL = 30 * time.Millisecond config.Config.ACLRoleTTL = 30 * time.Millisecond config.Config.ACLDownPolicy = "extend-cache" }) // resolves the token // gets a permission denied resolving the policies - token updated // invalidates the token // refetches the token // fetches the policies from the modified token // creates the authorizers // // Must use the token secret here in order for the cached identity // to be removed properly. Many other tests just resolve some other // random name and it wont matter but this one cannot. authz, err := r.ResolveToken("a1a54629-5050-4d17-8a4e-560d2423f835") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.True(t, modified) require.True(t, deleted) require.Equal(t, int32(2), tokenReads) require.Equal(t, int32(2), policyResolves) // sleep long enough for the policy cache to expire time.Sleep(50 * time.Millisecond) // this round the identity will be resolved from the cache // then the policy will be resolved but resolution will return ACL not found // resolution will stop with the not found error (even though we still have the // policies within the cache) authz, err = r.ResolveToken("a1a54629-5050-4d17-8a4e-560d2423f835") require.EqualError(t, err, acl.ErrNotFound.Error()) require.Nil(t, authz) require.True(t, modified) require.True(t, deleted) require.Equal(t, tokenReads, int32(2)) require.Equal(t, policyResolves, int32(3)) }) t.Run("Resolve-Identity", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, } delegate.tokenReadFn = delegate.plainTokenReadFn delegate.policyResolveFn = delegate.plainPolicyResolveFn delegate.roleResolveFn = delegate.plainRoleResolveFn r := newTestACLResolver(t, delegate, nil) ident, err := r.ResolveTokenToIdentity("found-policy-and-role") require.NoError(t, err) require.NotNil(t, ident) require.Equal(t, "5f57c1f6-6a89-4186-9445-531b316e01df", ident.ID()) require.EqualValues(t, 0, delegate.localTokenResolutions) require.EqualValues(t, 1, delegate.remoteTokenResolutions) require.EqualValues(t, 0, delegate.localPolicyResolutions) require.EqualValues(t, 0, delegate.remotePolicyResolutions) require.EqualValues(t, 0, delegate.localRoleResolutions) require.EqualValues(t, 0, delegate.remoteRoleResolutions) require.EqualValues(t, 0, delegate.remoteLegacyResolutions) }) t.Run("Resolve-Identity-Legacy", func(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: true, localTokens: false, localPolicies: false, getPolicyFn: func(args *structs.ACLPolicyResolveLegacyRequest, reply *structs.ACLPolicyResolveLegacyResponse) error { reply.Parent = "deny" reply.TTL = 30 reply.ETag = "nothing" reply.Policy = &acl.Policy{ ID: "not-needed", PolicyRules: acl.PolicyRules{ Nodes: []*acl.NodeRule{ { Name: "foo", Policy: acl.PolicyWrite, }, }, }, } return nil }, } r := newTestACLResolver(t, delegate, nil) ident, err := r.ResolveTokenToIdentity("found-policy-and-role") require.NoError(t, err) require.NotNil(t, ident) require.Equal(t, "legacy-token", ident.ID()) require.EqualValues(t, 0, delegate.localTokenResolutions) require.EqualValues(t, 0, delegate.remoteTokenResolutions) require.EqualValues(t, 0, delegate.localPolicyResolutions) require.EqualValues(t, 0, delegate.remotePolicyResolutions) require.EqualValues(t, 0, delegate.localRoleResolutions) require.EqualValues(t, 0, delegate.remoteRoleResolutions) require.EqualValues(t, 1, delegate.remoteLegacyResolutions) }) t.Run("Concurrent-Token-Resolve", func(t *testing.T) { t.Parallel() var tokenReads int32 var policyResolves int32 readyCh := make(chan struct{}) delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, tokenReadFn: func(args *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { atomic.AddInt32(&tokenReads, 1) switch args.TokenID { case "a1a54629-5050-4d17-8a4e-560d2423f835": _, token, _ := testIdentityForToken("concurrent-resolve") reply.Token = token.(*structs.ACLToken) default: return acl.ErrNotFound } select { case <-readyCh: } time.Sleep(100 * time.Millisecond) return nil }, policyResolveFn: func(args *structs.ACLPolicyBatchGetRequest, reply *structs.ACLPolicyBatchResponse) error { atomic.AddInt32(&policyResolves, 1) for _, policyID := range args.PolicyIDs { _, policy, _ := testPolicyForID(policyID) if policy != nil { reply.Policies = append(reply.Policies, policy) } } return nil }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { // effectively disable caching - so the only way we end up with 1 token read is if they were // being resolved concurrently config.Config.ACLTokenTTL = 0 * time.Second config.Config.ACLPolicyTTL = 30 * time.Second config.Config.ACLRoleTTL = 30 * time.Second config.Config.ACLDownPolicy = "extend-cache" }) ch1 := make(chan *asyncResolutionResult) ch2 := make(chan *asyncResolutionResult) go resolveTokenAsync(r, "a1a54629-5050-4d17-8a4e-560d2423f835", ch1) go resolveTokenAsync(r, "a1a54629-5050-4d17-8a4e-560d2423f835", ch2) close(readyCh) res1 := <-ch1 res2 := <-ch2 require.NoError(t, res1.err) require.NoError(t, res2.err) require.Equal(t, res1.authz, res2.authz) require.Equal(t, int32(1), tokenReads) require.Equal(t, int32(1), policyResolves) }) } func TestACLResolver_Client_TokensPoliciesAndRoles(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: false, localRoles: false, } delegate.tokenReadFn = delegate.plainTokenReadFn delegate.policyResolveFn = delegate.plainPolicyResolveFn delegate.roleResolveFn = delegate.plainRoleResolveFn testACLResolver_variousTokens(t, delegate) } func TestACLResolver_LocalTokensPoliciesAndRoles(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: true, localRoles: true, // No need to provide any of the RPC callbacks } testACLResolver_variousTokens(t, delegate) } func TestACLResolver_LocalPoliciesAndRoles(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: false, localPolicies: true, localRoles: true, } delegate.tokenReadFn = delegate.plainTokenReadFn testACLResolver_variousTokens(t, delegate) } func testACLResolver_variousTokens(t *testing.T, delegate *ACLResolverTestDelegate) { t.Helper() r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLTokenTTL = 600 * time.Second config.Config.ACLPolicyTTL = 30 * time.Millisecond config.Config.ACLRoleTTL = 30 * time.Millisecond config.Config.ACLDownPolicy = "extend-cache" }) reset := func() { // prevent subtest bleedover r.cache.Purge() delegate.Reset() } runTwiceAndReset := func(name string, f func(t *testing.T)) { t.Helper() defer reset() // reset the stateful resolve AND blow away the cache t.Run(name+" (no-cache)", f) delegate.Reset() // allow the stateful resolve functions to reset t.Run(name+" (cached)", f) } runTwiceAndReset("Missing Identity", func(t *testing.T) { authz, err := r.ResolveToken("doesn't exist") require.Nil(t, authz) require.Error(t, err) require.True(t, acl.IsErrNotFound(err)) }) runTwiceAndReset("Missing Policy", func(t *testing.T) { authz, err := r.ResolveToken("missing-policy") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) }) runTwiceAndReset("Missing Role", func(t *testing.T) { authz, err := r.ResolveToken("missing-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) }) runTwiceAndReset("Missing Policy on Role", func(t *testing.T) { authz, err := r.ResolveToken("missing-policy-on-role") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) }) runTwiceAndReset("Normal with Policy", func(t *testing.T) { authz, err := r.ResolveToken("found") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) }) runTwiceAndReset("Normal with Role", func(t *testing.T) { authz, err := r.ResolveToken("found-role") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) }) runTwiceAndReset("Normal with Policy and Role", func(t *testing.T) { authz, err := r.ResolveToken("found-policy-and-role") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.ServiceRead("bar", nil)) }) runTwiceAndReset("Role With Node Identity", func(t *testing.T) { authz, err := r.ResolveToken("found-role-node-identity") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Allow, authz.NodeWrite("test-node", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("test-node-dc2", nil)) require.Equal(t, acl.Allow, authz.ServiceRead("something", nil)) require.Equal(t, acl.Deny, authz.ServiceWrite("something", nil)) }) runTwiceAndReset("Synthetic Policies Independently Cache", func(t *testing.T) { // We resolve these tokens in the same cache session // to verify that the keys for caching synthetic policies don't bleed // over between each other. { authz, err := r.ResolveToken("found-synthetic-policy-1") require.NotNil(t, authz) require.NoError(t, err) // spot check some random perms require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) // ensure we didn't bleed over to the other synthetic policy require.Equal(t, acl.Deny, authz.ServiceWrite("service2", nil)) // check our own synthetic policy require.Equal(t, acl.Allow, authz.ServiceWrite("service1", nil)) require.Equal(t, acl.Allow, authz.ServiceRead("literally-anything", nil)) require.Equal(t, acl.Allow, authz.NodeRead("any-node", nil)) } { authz, err := r.ResolveToken("found-synthetic-policy-2") require.NotNil(t, authz) require.NoError(t, err) // spot check some random perms require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) // ensure we didn't bleed over to the other synthetic policy require.Equal(t, acl.Deny, authz.ServiceWrite("service1", nil)) // check our own synthetic policy require.Equal(t, acl.Allow, authz.ServiceWrite("service2", nil)) require.Equal(t, acl.Allow, authz.ServiceRead("literally-anything", nil)) require.Equal(t, acl.Allow, authz.NodeRead("any-node", nil)) } { authz, err := r.ResolveToken("found-synthetic-policy-3") require.NoError(t, err) require.NotNil(t, authz) // spot check some random perms require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) // ensure we didn't bleed over to the other synthetic policy require.Equal(t, acl.Deny, authz.NodeWrite("test-node2", nil)) // check our own synthetic policy require.Equal(t, acl.Allow, authz.ServiceRead("literally-anything", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("test-node1", nil)) // ensure node identity for other DC is ignored require.Equal(t, acl.Deny, authz.NodeWrite("test-node-dc2", nil)) } { authz, err := r.ResolveToken("found-synthetic-policy-4") require.NoError(t, err) require.NotNil(t, authz) // spot check some random perms require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) // ensure we didn't bleed over to the other synthetic policy require.Equal(t, acl.Deny, authz.NodeWrite("test-node1", nil)) // check our own synthetic policy require.Equal(t, acl.Allow, authz.ServiceRead("literally-anything", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("test-node2", nil)) // ensure node identity for other DC is ignored require.Equal(t, acl.Deny, authz.NodeWrite("test-node-dc2", nil)) } }) runTwiceAndReset("Anonymous", func(t *testing.T) { authz, err := r.ResolveToken("") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Deny, authz.ACLRead(nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) }) runTwiceAndReset("legacy-management", func(t *testing.T) { authz, err := r.ResolveToken("legacy-management") require.NotNil(t, authz) require.NoError(t, err) require.Equal(t, acl.Allow, authz.ACLWrite(nil)) require.Equal(t, acl.Allow, authz.KeyRead("foo", nil)) }) runTwiceAndReset("legacy-client", func(t *testing.T) { authz, err := r.ResolveToken("legacy-client") require.NoError(t, err) require.NotNil(t, authz) require.Equal(t, acl.Deny, authz.OperatorRead(nil)) require.Equal(t, acl.Allow, authz.ServiceRead("foo", nil)) }) } func TestACLResolver_Legacy(t *testing.T) { t.Parallel() t.Run("Cached", func(t *testing.T) { t.Parallel() cached := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: true, localTokens: false, localPolicies: false, getPolicyFn: func(args *structs.ACLPolicyResolveLegacyRequest, reply *structs.ACLPolicyResolveLegacyResponse) error { if !cached { reply.Parent = "deny" reply.TTL = 30 reply.ETag = "nothing" reply.Policy = &acl.Policy{ ID: "not-needed", PolicyRules: acl.PolicyRules{ Nodes: []*acl.NodeRule{ { Name: "foo", Policy: acl.PolicyWrite, }, }, }, } cached = true return nil } return errRPC }, } r := newTestACLResolver(t, delegate, nil) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) // this should be from the cache authz, err = r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) }) t.Run("Cache-Expiry-Extend", func(t *testing.T) { t.Parallel() cached := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: true, localTokens: false, localPolicies: false, getPolicyFn: func(args *structs.ACLPolicyResolveLegacyRequest, reply *structs.ACLPolicyResolveLegacyResponse) error { if !cached { reply.Parent = "deny" reply.TTL = 0 reply.ETag = "nothing" reply.Policy = &acl.Policy{ ID: "not-needed", PolicyRules: acl.PolicyRules{ Nodes: []*acl.NodeRule{ { Name: "foo", Policy: acl.PolicyWrite, }, }, }, } cached = true return nil } return errRPC }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) // this should be from the cache authz, err = r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) }) t.Run("Cache-Expiry-Allow", func(t *testing.T) { t.Parallel() cached := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: true, localTokens: false, localPolicies: false, getPolicyFn: func(args *structs.ACLPolicyResolveLegacyRequest, reply *structs.ACLPolicyResolveLegacyResponse) error { if !cached { reply.Parent = "deny" reply.TTL = 0 reply.ETag = "nothing" reply.Policy = &acl.Policy{ ID: "not-needed", PolicyRules: acl.PolicyRules{ Nodes: []*acl.NodeRule{ { Name: "foo", Policy: acl.PolicyWrite, }, }, }, } cached = true return nil } return errRPC }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "allow" config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) // this should be from the cache authz, err = r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("fo", nil)) }) t.Run("Cache-Expiry-Deny", func(t *testing.T) { t.Parallel() cached := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: true, localTokens: false, localPolicies: false, getPolicyFn: func(args *structs.ACLPolicyResolveLegacyRequest, reply *structs.ACLPolicyResolveLegacyResponse) error { if !cached { reply.Parent = "deny" reply.TTL = 0 reply.ETag = "nothing" reply.Policy = &acl.Policy{ ID: "not-needed", PolicyRules: acl.PolicyRules{ Nodes: []*acl.NodeRule{ { Name: "foo", Policy: acl.PolicyWrite, }, }, }, } cached = true return nil } return errRPC }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "deny" config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) // this should be from the cache authz, err = r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Deny, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) }) t.Run("Cache-Expiry-Async-Cache", func(t *testing.T) { t.Parallel() cached := false delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: true, localTokens: false, localPolicies: false, getPolicyFn: func(args *structs.ACLPolicyResolveLegacyRequest, reply *structs.ACLPolicyResolveLegacyResponse) error { if !cached { reply.Parent = "deny" reply.TTL = 0 reply.ETag = "nothing" reply.Policy = &acl.Policy{ ID: "not-needed", PolicyRules: acl.PolicyRules{ Nodes: []*acl.NodeRule{ { Name: "foo", Policy: acl.PolicyWrite, }, }, }, } cached = true return nil } return acl.ErrNotFound }, } r := newTestACLResolver(t, delegate, func(config *ACLResolverConfig) { config.Config.ACLDownPolicy = "async-cache" config.Config.ACLTokenTTL = 0 }) authz, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) // there is a bit of translation that happens require.Equal(t, acl.Allow, authz.NodeWrite("foo", nil)) require.Equal(t, acl.Allow, authz.NodeWrite("foo/bar", nil)) require.Equal(t, acl.Deny, authz.NodeWrite("fo", nil)) // delivered from the cache authz2, err := r.ResolveToken("foo") require.NoError(t, err) require.NotNil(t, authz) require.True(t, authz == authz2) // the go routine spawned will eventually return and this will be a not found error retry.Run(t, func(t *retry.R) { authz3, err := r.ResolveToken("foo") assert.Error(t, err) assert.True(t, acl.IsErrNotFound(err)) assert.Nil(t, authz3) }) }) } /* func TestACL_Replication(t *testing.T) { t.Parallel() aclExtendPolicies := []string{"extend-cache", "async-cache"} //"async-cache" for _, aclDownPolicy := range aclExtendPolicies { dir1, s1 := testServerWithConfig(t, func(c *Config) { c.ACLDatacenter = "dc1" c.ACLMasterToken = "root" }) defer os.RemoveAll(dir1) defer s1.Shutdown() client := rpcClient(t, s1) defer client.Close() dir2, s2 := testServerWithConfig(t, func(c *Config) { c.Datacenter = "dc2" c.ACLDatacenter = "dc1" c.ACLDefaultPolicy = "deny" c.ACLDownPolicy = aclDownPolicy c.ACLTokenReplication = true c.ACLReplicationRate = 100 c.ACLReplicationBurst = 100 c.ACLReplicationApplyLimit = 1000000 }) s2.tokens.UpdateReplicationToken("root") defer os.RemoveAll(dir2) defer s2.Shutdown() dir3, s3 := testServerWithConfig(t, func(c *Config) { c.Datacenter = "dc3" c.ACLDatacenter = "dc1" c.ACLDownPolicy = "deny" c.ACLTokenReplication = true c.ACLReplicationRate = 100 c.ACLReplicationBurst = 100 c.ACLReplicationApplyLimit = 1000000 }) s3.tokens.UpdateReplicationToken("root") defer os.RemoveAll(dir3) defer s3.Shutdown() // Try to join. joinWAN(t, s2, s1) joinWAN(t, s3, s1) testrpc.WaitForLeader(t, s1.RPC, "dc1") testrpc.WaitForLeader(t, s1.RPC, "dc2") testrpc.WaitForLeader(t, s1.RPC, "dc3") // Create a new token. arg := structs.ACLRequest{ Datacenter: "dc1", Op: structs.ACLSet, ACL: structs.ACL{ Name: "User token", Type: structs.ACLTokenTypeClient, Rules: testACLPolicy, }, WriteRequest: structs.WriteRequest{Token: "root"}, } var id string if err := s1.RPC("ACL.Apply", &arg, &id); err != nil { t.Fatalf("err: %v", err) } // Wait for replication to occur. retry.Run(t, func(r *retry.R) { _, acl, err := s2.fsm.State().ACLTokenGetBySecret(nil, id) if err != nil { r.Fatal(err) } if acl == nil { r.Fatal(nil) } _, acl, err = s3.fsm.State().ACLTokenGetBySecret(nil, id) if err != nil { r.Fatal(err) } if acl == nil { r.Fatal(nil) } }) // Kill the ACL datacenter. s1.Shutdown() // Token should resolve on s2, which has replication + extend-cache. acl, err := s2.ResolveToken(id) if err != nil { t.Fatalf("err: %v", err) } if acl == nil { t.Fatalf("missing acl") } // Check the policy if acl.KeyRead("bar") { t.Fatalf("unexpected read") } if !acl.KeyRead("foo/test") { t.Fatalf("unexpected failed read") } // Although s3 has replication, and we verified that the ACL is there, // it can not be used because of the down policy. acl, err = s3.ResolveToken(id) if err != nil { t.Fatalf("err: %v", err) } if acl == nil { t.Fatalf("missing acl") } // Check the policy. if acl.KeyRead("bar") { t.Fatalf("unexpected read") } if acl.KeyRead("foo/test") { t.Fatalf("unexpected read") } } } func TestACL_MultiDC_Found(t *testing.T) { t.Parallel() dir1, s1 := testServerWithConfig(t, func(c *Config) { c.ACLDatacenter = "dc1" c.ACLMasterToken = "root" }) defer os.RemoveAll(dir1) defer s1.Shutdown() client := rpcClient(t, s1) defer client.Close() dir2, s2 := testServerWithConfig(t, func(c *Config) { c.Datacenter = "dc2" c.ACLDatacenter = "dc1" // Enable ACLs! }) defer os.RemoveAll(dir2) defer s2.Shutdown() // Try to join joinWAN(t, s2, s1) testrpc.WaitForLeader(t, s1.RPC, "dc1") testrpc.WaitForLeader(t, s1.RPC, "dc2") // Create a new token arg := structs.ACLRequest{ Datacenter: "dc1", Op: structs.ACLSet, ACL: structs.ACL{ Name: "User token", Type: structs.ACLTokenTypeClient, Rules: testACLPolicy, }, WriteRequest: structs.WriteRequest{Token: "root"}, } var id string if err := s1.RPC("ACL.Apply", &arg, &id); err != nil { t.Fatalf("err: %v", err) } // Token should resolve acl, err := s2.ResolveToken(id) if err != nil { t.Fatalf("err: %v", err) } if acl == nil { t.Fatalf("missing acl") } // Check the policy if acl.KeyRead("bar") { t.Fatalf("unexpected read") } if !acl.KeyRead("foo/test") { t.Fatalf("unexpected failed read") } } */ func TestACL_filterHealthChecks(t *testing.T) { t.Parallel() // Create some health checks. fill := func() structs.HealthChecks { return structs.HealthChecks{ &structs.HealthCheck{ Node: "node1", CheckID: "check1", ServiceName: "foo", }, } } { hc := fill() filt := newACLFilter(acl.DenyAll(), nil) filt.filterHealthChecks(&hc) if len(hc) != 0 { t.Fatalf("bad: %#v", hc) } } // Allowed to see the service but not the node. policy, err := acl.NewPolicyFromSource("", 0, ` service "foo" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } { hc := fill() filt := newACLFilter(perms, nil) filt.filterHealthChecks(&hc) if len(hc) != 0 { t.Fatalf("bad: %#v", hc) } } // Chain on access to the node. policy, err = acl.NewPolicyFromSource("", 0, ` node "node1" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Now it should go through. { hc := fill() filt := newACLFilter(perms, nil) filt.filterHealthChecks(&hc) if len(hc) != 1 { t.Fatalf("bad: %#v", hc) } } } func TestACL_filterIntentions(t *testing.T) { t.Parallel() assert := assert.New(t) fill := func() structs.Intentions { return structs.Intentions{ &structs.Intention{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d1", DestinationName: "bar", }, &structs.Intention{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d2", DestinationName: "foo", }, } } // Try permissive filtering. { ixns := fill() filt := newACLFilter(acl.AllowAll(), nil) filt.filterIntentions(&ixns) assert.Len(ixns, 2) } // Try restrictive filtering. { ixns := fill() filt := newACLFilter(acl.DenyAll(), nil) filt.filterIntentions(&ixns) assert.Len(ixns, 0) } // Policy to see one policy, err := acl.NewPolicyFromSource("", 0, ` service "foo" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) assert.Nil(err) perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) assert.Nil(err) // Filter { ixns := fill() filt := newACLFilter(perms, nil) filt.filterIntentions(&ixns) assert.Len(ixns, 1) } } func TestACL_filterServices(t *testing.T) { t.Parallel() // Create some services services := structs.Services{ "service1": []string{}, "service2": []string{}, "consul": []string{}, } // Try permissive filtering. filt := newACLFilter(acl.AllowAll(), nil) filt.filterServices(services, nil) if len(services) != 3 { t.Fatalf("bad: %#v", services) } // Try restrictive filtering. filt = newACLFilter(acl.DenyAll(), nil) filt.filterServices(services, nil) if len(services) != 0 { t.Fatalf("bad: %#v", services) } } func TestACL_filterServiceNodes(t *testing.T) { t.Parallel() // Create some service nodes. fill := func() structs.ServiceNodes { return structs.ServiceNodes{ &structs.ServiceNode{ Node: "node1", ServiceName: "foo", }, } } // Try permissive filtering. { nodes := fill() filt := newACLFilter(acl.AllowAll(), nil) filt.filterServiceNodes(&nodes) if len(nodes) != 1 { t.Fatalf("bad: %#v", nodes) } } // Try restrictive filtering. { nodes := fill() filt := newACLFilter(acl.DenyAll(), nil) filt.filterServiceNodes(&nodes) if len(nodes) != 0 { t.Fatalf("bad: %#v", nodes) } } // Allowed to see the service but not the node. policy, err := acl.NewPolicyFromSource("", 0, ` service "foo" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // But with version 8 the node will block it. { nodes := fill() filt := newACLFilter(perms, nil) filt.filterServiceNodes(&nodes) if len(nodes) != 0 { t.Fatalf("bad: %#v", nodes) } } // Chain on access to the node. policy, err = acl.NewPolicyFromSource("", 0, ` node "node1" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Now it should go through. { nodes := fill() filt := newACLFilter(perms, nil) filt.filterServiceNodes(&nodes) if len(nodes) != 1 { t.Fatalf("bad: %#v", nodes) } } } func TestACL_filterNodeServices(t *testing.T) { t.Parallel() // Create some node services. fill := func() *structs.NodeServices { return &structs.NodeServices{ Node: &structs.Node{ Node: "node1", }, Services: map[string]*structs.NodeService{ "foo": { ID: "foo", Service: "foo", }, }, } } // Try nil, which is a possible input. { var services *structs.NodeServices filt := newACLFilter(acl.AllowAll(), nil) filt.filterNodeServices(&services) if services != nil { t.Fatalf("bad: %#v", services) } } // Try permissive filtering. { services := fill() filt := newACLFilter(acl.AllowAll(), nil) filt.filterNodeServices(&services) if len(services.Services) != 1 { t.Fatalf("bad: %#v", services.Services) } } // Try restrictive filtering. { services := fill() filt := newACLFilter(acl.DenyAll(), nil) filt.filterNodeServices(&services) if services != nil { t.Fatalf("bad: %#v", *services) } } // Allowed to see the service but not the node. policy, err := acl.NewPolicyFromSource("", 0, ` service "foo" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Node will block it. { services := fill() filt := newACLFilter(perms, nil) filt.filterNodeServices(&services) if services != nil { t.Fatalf("bad: %#v", services) } } // Chain on access to the node. policy, err = acl.NewPolicyFromSource("", 0, ` node "node1" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Now it should go through. { services := fill() filt := newACLFilter(perms, nil) filt.filterNodeServices(&services) if len((*services).Services) != 1 { t.Fatalf("bad: %#v", (*services).Services) } } } func TestACL_filterCheckServiceNodes(t *testing.T) { t.Parallel() // Create some nodes. fill := func() structs.CheckServiceNodes { return structs.CheckServiceNodes{ structs.CheckServiceNode{ Node: &structs.Node{ Node: "node1", }, Service: &structs.NodeService{ ID: "foo", Service: "foo", }, Checks: structs.HealthChecks{ &structs.HealthCheck{ Node: "node1", CheckID: "check1", ServiceName: "foo", }, }, }, } } // Try permissive filtering. { nodes := fill() filt := newACLFilter(acl.AllowAll(), nil) filt.filterCheckServiceNodes(&nodes) if len(nodes) != 1 { t.Fatalf("bad: %#v", nodes) } if len(nodes[0].Checks) != 1 { t.Fatalf("bad: %#v", nodes[0].Checks) } } // Try restrictive filtering. { nodes := fill() filt := newACLFilter(acl.DenyAll(), nil) filt.filterCheckServiceNodes(&nodes) if len(nodes) != 0 { t.Fatalf("bad: %#v", nodes) } } // Allowed to see the service but not the node. policy, err := acl.NewPolicyFromSource("", 0, ` service "foo" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } { nodes := fill() filt := newACLFilter(perms, nil) filt.filterCheckServiceNodes(&nodes) if len(nodes) != 0 { t.Fatalf("bad: %#v", nodes) } } // Chain on access to the node. policy, err = acl.NewPolicyFromSource("", 0, ` node "node1" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Now it should go through. { nodes := fill() filt := newACLFilter(perms, nil) filt.filterCheckServiceNodes(&nodes) if len(nodes) != 1 { t.Fatalf("bad: %#v", nodes) } if len(nodes[0].Checks) != 1 { t.Fatalf("bad: %#v", nodes[0].Checks) } } } func TestACL_filterServiceTopology(t *testing.T) { t.Parallel() // Create some nodes. fill := func() structs.ServiceTopology { return structs.ServiceTopology{ Upstreams: structs.CheckServiceNodes{ structs.CheckServiceNode{ Node: &structs.Node{ Node: "node1", }, Service: &structs.NodeService{ ID: "foo", Service: "foo", }, Checks: structs.HealthChecks{ &structs.HealthCheck{ Node: "node1", CheckID: "check1", ServiceName: "foo", }, }, }, }, Downstreams: structs.CheckServiceNodes{ structs.CheckServiceNode{ Node: &structs.Node{ Node: "node2", }, Service: &structs.NodeService{ ID: "bar", Service: "bar", }, Checks: structs.HealthChecks{ &structs.HealthCheck{ Node: "node2", CheckID: "check1", ServiceName: "bar", }, }, }, }, } } original := fill() t.Run("allow all without permissions", func(t *testing.T) { topo := fill() f := newACLFilter(acl.AllowAll(), nil) filtered := f.filterServiceTopology(&topo) if filtered { t.Fatalf("should not have been filtered") } assert.Equal(t, original, topo) }) t.Run("deny all without permissions", func(t *testing.T) { topo := fill() f := newACLFilter(acl.DenyAll(), nil) filtered := f.filterServiceTopology(&topo) if !filtered { t.Fatalf("should have been marked as filtered") } assert.Len(t, topo.Upstreams, 0) assert.Len(t, topo.Upstreams, 0) }) t.Run("only upstream permissions", func(t *testing.T) { rules := ` node "node1" { policy = "read" } service "foo" { policy = "read" }` policy, err := acl.NewPolicyFromSource("", 0, rules, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } topo := fill() f := newACLFilter(perms, nil) filtered := f.filterServiceTopology(&topo) if !filtered { t.Fatalf("should have been marked as filtered") } assert.Equal(t, original.Upstreams, topo.Upstreams) assert.Len(t, topo.Downstreams, 0) }) t.Run("only downstream permissions", func(t *testing.T) { rules := ` node "node2" { policy = "read" } service "bar" { policy = "read" }` policy, err := acl.NewPolicyFromSource("", 0, rules, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } topo := fill() f := newACLFilter(perms, nil) filtered := f.filterServiceTopology(&topo) if !filtered { t.Fatalf("should have been marked as filtered") } assert.Equal(t, original.Downstreams, topo.Downstreams) assert.Len(t, topo.Upstreams, 0) }) t.Run("upstream and downstream permissions", func(t *testing.T) { rules := ` node "node1" { policy = "read" } service "foo" { policy = "read" } node "node2" { policy = "read" } service "bar" { policy = "read" }` policy, err := acl.NewPolicyFromSource("", 0, rules, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } topo := fill() f := newACLFilter(perms, nil) filtered := f.filterServiceTopology(&topo) if filtered { t.Fatalf("should not have been filtered") } original := fill() assert.Equal(t, original, topo) }) } func TestACL_filterCoordinates(t *testing.T) { t.Parallel() // Create some coordinates. coords := structs.Coordinates{ &structs.Coordinate{ Node: "node1", Coord: generateRandomCoordinate(), }, &structs.Coordinate{ Node: "node2", Coord: generateRandomCoordinate(), }, } // Try permissive filtering. filt := newACLFilter(acl.AllowAll(), nil) filt.filterCoordinates(&coords) if len(coords) != 2 { t.Fatalf("bad: %#v", coords) } // Try restrictive filtering filt = newACLFilter(acl.DenyAll(), nil) filt.filterCoordinates(&coords) if len(coords) != 0 { t.Fatalf("bad: %#v", coords) } } func TestACL_filterSessions(t *testing.T) { t.Parallel() // Create a session list. sessions := structs.Sessions{ &structs.Session{ Node: "foo", }, &structs.Session{ Node: "bar", }, } // Try permissive filtering. filt := newACLFilter(acl.AllowAll(), nil) filt.filterSessions(&sessions) if len(sessions) != 2 { t.Fatalf("bad: %#v", sessions) } // Try restrictive filtering filt = newACLFilter(acl.DenyAll(), nil) filt.filterSessions(&sessions) if len(sessions) != 0 { t.Fatalf("bad: %#v", sessions) } } func TestACL_filterNodeDump(t *testing.T) { t.Parallel() // Create a node dump. fill := func() structs.NodeDump { return structs.NodeDump{ &structs.NodeInfo{ Node: "node1", Services: []*structs.NodeService{ { ID: "foo", Service: "foo", }, }, Checks: []*structs.HealthCheck{ { Node: "node1", CheckID: "check1", ServiceName: "foo", }, }, }, } } // Try permissive filtering. { dump := fill() filt := newACLFilter(acl.AllowAll(), nil) filt.filterNodeDump(&dump) if len(dump) != 1 { t.Fatalf("bad: %#v", dump) } if len(dump[0].Services) != 1 { t.Fatalf("bad: %#v", dump[0].Services) } if len(dump[0].Checks) != 1 { t.Fatalf("bad: %#v", dump[0].Checks) } } // Try restrictive filtering. { dump := fill() filt := newACLFilter(acl.DenyAll(), nil) filt.filterNodeDump(&dump) if len(dump) != 0 { t.Fatalf("bad: %#v", dump) } } // Allowed to see the service but not the node. policy, err := acl.NewPolicyFromSource("", 0, ` service "foo" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // But the node will block it. { dump := fill() filt := newACLFilter(perms, nil) filt.filterNodeDump(&dump) if len(dump) != 0 { t.Fatalf("bad: %#v", dump) } } // Chain on access to the node. policy, err = acl.NewPolicyFromSource("", 0, ` node "node1" { policy = "read" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Now it should go through. { dump := fill() filt := newACLFilter(perms, nil) filt.filterNodeDump(&dump) if len(dump) != 1 { t.Fatalf("bad: %#v", dump) } if len(dump[0].Services) != 1 { t.Fatalf("bad: %#v", dump[0].Services) } if len(dump[0].Checks) != 1 { t.Fatalf("bad: %#v", dump[0].Checks) } } } func TestACL_filterNodes(t *testing.T) { t.Parallel() // Create a nodes list. nodes := structs.Nodes{ &structs.Node{ Node: "foo", }, &structs.Node{ Node: "bar", }, } // Try permissive filtering. filt := newACLFilter(acl.AllowAll(), nil) filt.filterNodes(&nodes) if len(nodes) != 2 { t.Fatalf("bad: %#v", nodes) } // Try restrictive filtering filt = newACLFilter(acl.DenyAll(), nil) filt.filterNodes(&nodes) if len(nodes) != 0 { t.Fatalf("bad: %#v", nodes) } } func TestACL_filterDatacenterCheckServiceNodes(t *testing.T) { t.Parallel() // Create some data. fixture := map[string]structs.CheckServiceNodes{ "dc1": []structs.CheckServiceNode{ newTestMeshGatewayNode( "dc1", "gateway1a", "1.2.3.4", 5555, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing, ), newTestMeshGatewayNode( "dc1", "gateway2a", "4.3.2.1", 9999, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing, ), }, "dc2": []structs.CheckServiceNode{ newTestMeshGatewayNode( "dc2", "gateway1b", "5.6.7.8", 9999, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing, ), newTestMeshGatewayNode( "dc2", "gateway2b", "8.7.6.5", 1111, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing, ), }, } fill := func(t *testing.T) map[string]structs.CheckServiceNodes { t.Helper() dup, err := copystructure.Copy(fixture) require.NoError(t, err) return dup.(map[string]structs.CheckServiceNodes) } // Try permissive filtering. { dcNodes := fill(t) filt := newACLFilter(acl.AllowAll(), nil) filt.filterDatacenterCheckServiceNodes(&dcNodes) require.Len(t, dcNodes, 2) require.Equal(t, fill(t), dcNodes) } // Try restrictive filtering. { dcNodes := fill(t) filt := newACLFilter(acl.DenyAll(), nil) filt.filterDatacenterCheckServiceNodes(&dcNodes) require.Len(t, dcNodes, 0) } var ( policy *acl.Policy err error perms acl.Authorizer ) // Allowed to see the service but not the node. policy, err = acl.NewPolicyFromSource("", 0, ` service_prefix "" { policy = "read" } `, acl.SyntaxCurrent, nil, nil) require.NoError(t, err) perms, err = acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) require.NoError(t, err) { dcNodes := fill(t) filt := newACLFilter(perms, nil) filt.filterDatacenterCheckServiceNodes(&dcNodes) require.Len(t, dcNodes, 0) } // Allowed to see the node but not the service. policy, err = acl.NewPolicyFromSource("", 0, ` node_prefix "" { policy = "read" } `, acl.SyntaxCurrent, nil, nil) require.NoError(t, err) perms, err = acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) require.NoError(t, err) { dcNodes := fill(t) filt := newACLFilter(perms, nil) filt.filterDatacenterCheckServiceNodes(&dcNodes) require.Len(t, dcNodes, 0) } // Allowed to see the service AND the node policy, err = acl.NewPolicyFromSource("", 0, ` service_prefix "" { policy = "read" } node_prefix "" { policy = "read" } `, acl.SyntaxCurrent, nil, nil) require.NoError(t, err) _, err = acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) require.NoError(t, err) // Now it should go through. { dcNodes := fill(t) filt := newACLFilter(acl.AllowAll(), nil) filt.filterDatacenterCheckServiceNodes(&dcNodes) require.Len(t, dcNodes, 2) require.Equal(t, fill(t), dcNodes) } } func TestACL_redactPreparedQueryTokens(t *testing.T) { t.Parallel() query := &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d1", Token: "root", } expected := &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d1", Token: "root", } // Try permissive filtering with a management token. This will allow the // embedded token to be seen. filt := newACLFilter(acl.ManageAll(), nil) filt.redactPreparedQueryTokens(&query) if !reflect.DeepEqual(query, expected) { t.Fatalf("bad: %#v", &query) } // Hang on to the entry with a token, which needs to survive the next // operation. original := query // Now try permissive filtering with a client token, which should cause // the embedded token to get redacted. filt = newACLFilter(acl.AllowAll(), nil) filt.redactPreparedQueryTokens(&query) expected.Token = redactedToken if !reflect.DeepEqual(query, expected) { t.Fatalf("bad: %#v", *query) } // Make sure that the original object didn't lose its token. if original.Token != "root" { t.Fatalf("bad token: %s", original.Token) } } func TestACL_redactTokenSecret(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: true, // No need to provide any of the RPC callbacks } r := newTestACLResolver(t, delegate, nil) token := &structs.ACLToken{ AccessorID: "6a5e25b3-28f2-4085-9012-c3fb754314d1", SecretID: "6a5e25b3-28f2-4085-9012-c3fb754314d1", } err := r.filterACL("acl-wr", &token) require.NoError(t, err) require.Equal(t, "6a5e25b3-28f2-4085-9012-c3fb754314d1", token.SecretID) err = r.filterACL("acl-ro", &token) require.NoError(t, err) require.Equal(t, redactedToken, token.SecretID) } func TestACL_redactTokenSecrets(t *testing.T) { t.Parallel() delegate := &ACLResolverTestDelegate{ enabled: true, datacenter: "dc1", legacy: false, localTokens: true, localPolicies: true, // No need to provide any of the RPC callbacks } r := newTestACLResolver(t, delegate, nil) tokens := structs.ACLTokens{ &structs.ACLToken{ AccessorID: "6a5e25b3-28f2-4085-9012-c3fb754314d1", SecretID: "6a5e25b3-28f2-4085-9012-c3fb754314d1", }, } err := r.filterACL("acl-wr", &tokens) require.NoError(t, err) require.Equal(t, "6a5e25b3-28f2-4085-9012-c3fb754314d1", tokens[0].SecretID) err = r.filterACL("acl-ro", &tokens) require.NoError(t, err) require.Equal(t, redactedToken, tokens[0].SecretID) } func TestACL_filterPreparedQueries(t *testing.T) { t.Parallel() queries := structs.PreparedQueries{ &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d1", }, &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d2", Name: "query-with-no-token", }, &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d3", Name: "query-with-a-token", Token: "root", }, } expected := structs.PreparedQueries{ &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d1", }, &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d2", Name: "query-with-no-token", }, &structs.PreparedQuery{ ID: "f004177f-2c28-83b7-4229-eacc25fe55d3", Name: "query-with-a-token", Token: "root", }, } // Try permissive filtering with a management token. This will allow the // embedded token to be seen. filt := newACLFilter(acl.ManageAll(), nil) filt.filterPreparedQueries(&queries) if !reflect.DeepEqual(queries, expected) { t.Fatalf("bad: %#v", queries) } // Hang on to the entry with a token, which needs to survive the next // operation. original := queries[2] // Now try permissive filtering with a client token, which should cause // the embedded token to get redacted, and the query with no name to get // filtered out. filt = newACLFilter(acl.AllowAll(), nil) filt.filterPreparedQueries(&queries) expected[2].Token = redactedToken expected = append(structs.PreparedQueries{}, expected[1], expected[2]) if !reflect.DeepEqual(queries, expected) { t.Fatalf("bad: %#v", queries) } // Make sure that the original object didn't lose its token. if original.Token != "root" { t.Fatalf("bad token: %s", original.Token) } // Now try restrictive filtering. filt = newACLFilter(acl.DenyAll(), nil) filt.filterPreparedQueries(&queries) if len(queries) != 0 { t.Fatalf("bad: %#v", queries) } } func TestACL_unhandledFilterType(t *testing.T) { t.Parallel() defer func(t *testing.T) { if recover() == nil { t.Fatalf("should panic") } }(t) // Create the server dir, token, srv, client := testACLFilterServer(t) defer os.RemoveAll(dir) defer srv.Shutdown() defer client.Close() // Pass an unhandled type into the ACL filter. srv.filterACL(token, &structs.HealthCheck{}) } func TestACL_vetRegisterWithACL(t *testing.T) { t.Parallel() args := &structs.RegisterRequest{ Node: "nope", Address: "127.0.0.1", } // With a nil ACL, the update should be allowed. if err := vetRegisterWithACL(nil, args, nil); err != nil { t.Fatalf("err: %v", err) } // Create a basic node policy. policy, err := acl.NewPolicyFromSource("", 0, ` node "node" { policy = "write" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // With that policy, the update should now be blocked for node reasons. err = vetRegisterWithACL(perms, args, nil) if !acl.IsErrPermissionDenied(err) { t.Fatalf("bad: %v", err) } // Now use a permitted node name. args.Node = "node" if err := vetRegisterWithACL(perms, args, nil); err != nil { t.Fatalf("err: %v", err) } // Build some node info that matches what we have now. ns := &structs.NodeServices{ Node: &structs.Node{ Node: "node", Address: "127.0.0.1", }, Services: make(map[string]*structs.NodeService), } // Try to register a service, which should be blocked. args.Service = &structs.NodeService{ Service: "service", ID: "my-id", } err = vetRegisterWithACL(perms, args, ns) if !acl.IsErrPermissionDenied(err) { t.Fatalf("bad: %v", err) } // Chain on a basic service policy. policy, err = acl.NewPolicyFromSource("", 0, ` service "service" { policy = "write" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // With the service ACL, the update should go through. if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Add an existing service that they are clobbering and aren't allowed // to write to. ns.Services["my-id"] = &structs.NodeService{ Service: "other", ID: "my-id", } err = vetRegisterWithACL(perms, args, ns) if !acl.IsErrPermissionDenied(err) { t.Fatalf("bad: %v", err) } // Chain on a policy that allows them to write to the other service. policy, err = acl.NewPolicyFromSource("", 0, ` service "other" { policy = "write" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // Now it should go through. if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Try creating the node and the service at once by having no existing // node record. This should be ok since we have node and service // permissions. if err := vetRegisterWithACL(perms, args, nil); err != nil { t.Fatalf("err: %v", err) } // Add a node-level check to the member, which should be rejected. args.Check = &structs.HealthCheck{ Node: "node", } err = vetRegisterWithACL(perms, args, ns) if err == nil || !strings.Contains(err.Error(), "check member must be nil") { t.Fatalf("bad: %v", err) } // Move the check into the slice, but give a bad node name. args.Check.Node = "nope" args.Checks = append(args.Checks, args.Check) args.Check = nil err = vetRegisterWithACL(perms, args, ns) if err == nil || !strings.Contains(err.Error(), "doesn't match register request node") { t.Fatalf("bad: %v", err) } // Fix the node name, which should now go through. args.Checks[0].Node = "node" if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Add a service-level check. args.Checks = append(args.Checks, &structs.HealthCheck{ Node: "node", ServiceID: "my-id", }) if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Try creating everything at once. This should be ok since we have all // the permissions we need. It also makes sure that we can register a // new node, service, and associated checks. if err := vetRegisterWithACL(perms, args, nil); err != nil { t.Fatalf("err: %v", err) } // Nil out the service registration, which'll skip the special case // and force us to look at the ns data (it will look like we are // writing to the "other" service which also has "my-id"). args.Service = nil if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Chain on a policy that forbids them to write to the other service. policy, err = acl.NewPolicyFromSource("", 0, ` service "other" { policy = "deny" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // This should get rejected. err = vetRegisterWithACL(perms, args, ns) if !acl.IsErrPermissionDenied(err) { t.Fatalf("bad: %v", err) } // Change the existing service data to point to a service name they // car write to. This should go through. ns.Services["my-id"] = &structs.NodeService{ Service: "service", ID: "my-id", } if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Chain on a policy that forbids them to write to the node. policy, err = acl.NewPolicyFromSource("", 0, ` node "node" { policy = "deny" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } perms, err = acl.NewPolicyAuthorizerWithDefaults(perms, []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } // This should get rejected because there's a node-level check in here. err = vetRegisterWithACL(perms, args, ns) if !acl.IsErrPermissionDenied(err) { t.Fatalf("bad: %v", err) } // Change the node-level check into a service check, and then it should // go through. args.Checks[0].ServiceID = "my-id" if err := vetRegisterWithACL(perms, args, ns); err != nil { t.Fatalf("err: %v", err) } // Finally, attempt to update the node part of the data and make sure // that gets rejected since they no longer have permissions. args.Address = "127.0.0.2" err = vetRegisterWithACL(perms, args, ns) if !acl.IsErrPermissionDenied(err) { t.Fatalf("bad: %v", err) } } func TestACL_vetDeregisterWithACL(t *testing.T) { t.Parallel() args := &structs.DeregisterRequest{ Node: "nope", } // With a nil ACL, the update should be allowed. if err := vetDeregisterWithACL(nil, args, nil, nil); err != nil { t.Fatalf("err: %v", err) } // Create a basic node policy. policy, err := acl.NewPolicyFromSource("", 0, ` node "node" { policy = "write" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } nodePerms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } policy, err = acl.NewPolicyFromSource("", 0, ` service "my-service" { policy = "write" } `, acl.SyntaxLegacy, nil, nil) if err != nil { t.Fatalf("err %v", err) } servicePerms, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil) if err != nil { t.Fatalf("err: %v", err) } for _, args := range []struct { DeregisterRequest structs.DeregisterRequest Service *structs.NodeService Check *structs.HealthCheck Perms acl.Authorizer Expected bool Name string }{ { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", }, Perms: nodePerms, Expected: false, Name: "no right on node", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", }, Perms: servicePerms, Expected: false, Name: "right on service but node dergister request", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", ServiceID: "my-service-id", }, Service: &structs.NodeService{ Service: "my-service", }, Perms: nodePerms, Expected: false, Name: "no rights on node nor service", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", ServiceID: "my-service-id", }, Service: &structs.NodeService{ Service: "my-service", }, Perms: servicePerms, Expected: true, Name: "no rights on node but rights on service", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", ServiceID: "my-service-id", CheckID: "my-check", }, Service: &structs.NodeService{ Service: "my-service", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: nodePerms, Expected: false, Name: "no right on node nor service for check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", ServiceID: "my-service-id", CheckID: "my-check", }, Service: &structs.NodeService{ Service: "my-service", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: servicePerms, Expected: true, Name: "no rights on node but rights on service for check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", CheckID: "my-check", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: nodePerms, Expected: false, Name: "no right on node for node check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "nope", CheckID: "my-check", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: servicePerms, Expected: false, Name: "rights on service but no right on node for node check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", }, Perms: nodePerms, Expected: true, Name: "rights on node for node", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", }, Perms: servicePerms, Expected: false, Name: "rights on service but not on node for node", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", ServiceID: "my-service-id", }, Service: &structs.NodeService{ Service: "my-service", }, Perms: nodePerms, Expected: true, Name: "rights on node for service", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", ServiceID: "my-service-id", }, Service: &structs.NodeService{ Service: "my-service", }, Perms: servicePerms, Expected: true, Name: "rights on service for service", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", ServiceID: "my-service-id", CheckID: "my-check", }, Service: &structs.NodeService{ Service: "my-service", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: nodePerms, Expected: true, Name: "right on node for check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", ServiceID: "my-service-id", CheckID: "my-check", }, Service: &structs.NodeService{ Service: "my-service", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: servicePerms, Expected: true, Name: "rights on service for check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", CheckID: "my-check", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: nodePerms, Expected: true, Name: "rights on node for check", }, { DeregisterRequest: structs.DeregisterRequest{ Node: "node", CheckID: "my-check", }, Check: &structs.HealthCheck{ CheckID: "my-check", }, Perms: servicePerms, Expected: false, Name: "rights on service for node check", }, } { t.Run(args.Name, func(t *testing.T) { err = vetDeregisterWithACL(args.Perms, &args.DeregisterRequest, args.Service, args.Check) if !args.Expected { if err == nil { t.Errorf("expected error with %+v", args.DeregisterRequest) } if !acl.IsErrPermissionDenied(err) { t.Errorf("expected permission denied error with %+v, instead got %+v", args.DeregisterRequest, err) } } else if err != nil { t.Errorf("expected no error with %+v", args.DeregisterRequest) } }) } } func TestDedupeServiceIdentities(t *testing.T) { srvid := func(name string, datacenters ...string) *structs.ACLServiceIdentity { return &structs.ACLServiceIdentity{ ServiceName: name, Datacenters: datacenters, } } tests := []struct { name string in []*structs.ACLServiceIdentity expect []*structs.ACLServiceIdentity }{ { name: "empty", in: nil, expect: nil, }, { name: "one", in: []*structs.ACLServiceIdentity{ srvid("foo"), }, expect: []*structs.ACLServiceIdentity{ srvid("foo"), }, }, { name: "just names", in: []*structs.ACLServiceIdentity{ srvid("fooZ"), srvid("fooA"), srvid("fooY"), srvid("fooB"), }, expect: []*structs.ACLServiceIdentity{ srvid("fooA"), srvid("fooB"), srvid("fooY"), srvid("fooZ"), }, }, { name: "just names with dupes", in: []*structs.ACLServiceIdentity{ srvid("fooZ"), srvid("fooA"), srvid("fooY"), srvid("fooB"), srvid("fooA"), srvid("fooB"), srvid("fooY"), srvid("fooZ"), }, expect: []*structs.ACLServiceIdentity{ srvid("fooA"), srvid("fooB"), srvid("fooY"), srvid("fooZ"), }, }, { name: "names with dupes and datacenters", in: []*structs.ACLServiceIdentity{ srvid("fooZ", "dc2", "dc4"), srvid("fooA"), srvid("fooY", "dc1"), srvid("fooB"), srvid("fooA", "dc9", "dc8"), srvid("fooB"), srvid("fooY", "dc1"), srvid("fooZ", "dc3", "dc4"), }, expect: []*structs.ACLServiceIdentity{ srvid("fooA"), srvid("fooB"), srvid("fooY", "dc1"), srvid("fooZ", "dc2", "dc3", "dc4"), }, }, } for _, test := range tests { t.Run(test.name, func(t *testing.T) { got := dedupeServiceIdentities(test.in) require.ElementsMatch(t, test.expect, got) }) } } func TestACL_LocalToken(t *testing.T) { t.Run("local token in same dc", func(t *testing.T) { d := &ACLResolverTestDelegate{ datacenter: "dc1", tokenReadFn: func(_ *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { reply.Token = &structs.ACLToken{Local: true} // different dc reply.SourceDatacenter = "dc1" return nil }, } r := newTestACLResolver(t, d, nil) _, err := r.fetchAndCacheIdentityFromToken("", nil) require.NoError(t, err) }) t.Run("non local token in remote dc", func(t *testing.T) { d := &ACLResolverTestDelegate{ datacenter: "dc1", tokenReadFn: func(_ *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { reply.Token = &structs.ACLToken{Local: false} // different dc reply.SourceDatacenter = "remote" return nil }, } r := newTestACLResolver(t, d, nil) _, err := r.fetchAndCacheIdentityFromToken("", nil) require.NoError(t, err) }) t.Run("local token in remote dc", func(t *testing.T) { d := &ACLResolverTestDelegate{ datacenter: "dc1", tokenReadFn: func(_ *structs.ACLTokenGetRequest, reply *structs.ACLTokenResponse) error { reply.Token = &structs.ACLToken{Local: true} // different dc reply.SourceDatacenter = "remote" return nil }, } r := newTestACLResolver(t, d, nil) _, err := r.fetchAndCacheIdentityFromToken("", nil) require.Equal(t, acl.PermissionDeniedError{Cause: "This is a local token in datacenter \"remote\""}, err) }) }