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acl: enforce that you cannot persist tokens and roles with missing links except during replication (#5779)

This commit is contained in:
R.B. Boyer 2019-05-02 15:02:21 -05:00 committed by GitHub
parent 42d32db817
commit b4371bcccd
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 155 additions and 45 deletions
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9
agent/consul/acl_endpoint_test.go
View File

@ -5301,20 +5301,11 @@ func upsertTestRole(codec rpc.ClientCodec, masterToken string, datacenter string
if err != nil {
return nil, err
}
policyID, err := uuid.GenerateUUID()
if err != nil {
return nil, err
}
arg := structs.ACLRoleSetRequest{
Datacenter: datacenter,
Role: structs.ACLRole{
Name: fmt.Sprintf("test-role-%s", roleUnq),
Policies: []structs.ACLRolePolicyLink{
structs.ACLRolePolicyLink{
ID: policyID,
},
},
},
WriteRequest: structs.WriteRequest{Token: masterToken},
}

2
agent/consul/acl_replication_types.go
View File

@ -112,6 +112,7 @@ func (r *aclTokenReplicator) UpdateLocalBatch(ctx context.Context, srv *Server,
req := structs.ACLTokenBatchSetRequest{
Tokens: r.updated[start:end],
CAS: false,
AllowMissingLinks: true,
}
resp, err := srv.raftApply(structs.ACLTokenSetRequestType, &req)
@ -356,6 +357,7 @@ func (r *aclRoleReplicator) PendingUpdateIsRedacted(i int) bool {
func (r *aclRoleReplicator) UpdateLocalBatch(ctx context.Context, srv *Server, start, end int) error {
req := structs.ACLRoleBatchSetRequest{
Roles: r.updated[start:end],
AllowMissingLinks: true,
}
resp, err := srv.raftApply(structs.ACLRoleSetRequestType, &req)

4
agent/consul/fsm/commands_oss.go
View File

@ -391,7 +391,7 @@ func (c *FSM) applyACLTokenSetOperation(buf []byte, index uint64) interface{} {
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "token"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLTokenBatchSet(index, req.Tokens, req.CAS)
return c.state.ACLTokenBatchSet(index, req.Tokens, req.CAS, req.AllowMissingLinks)
}
func (c *FSM) applyACLTokenDeleteOperation(buf []byte, index uint64) interface{} {
@ -478,7 +478,7 @@ func (c *FSM) applyACLRoleSetOperation(buf []byte, index uint64) interface{} {
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "role"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLRoleBatchSet(index, req.Roles)
return c.state.ACLRoleBatchSet(index, req.Roles, req.AllowMissingLinks)
}
func (c *FSM) applyACLRoleDeleteOperation(buf []byte, index uint64) interface{} {

10
agent/consul/state/acl.go
View File

@ -794,14 +794,12 @@ func (s *Store) ACLTokenSet(idx uint64, token *structs.ACLToken, legacy bool) er
return nil
}
func (s *Store) ACLTokenBatchSet(idx uint64, tokens structs.ACLTokens, cas bool) error {
func (s *Store) ACLTokenBatchSet(idx uint64, tokens structs.ACLTokens, cas, allowMissingPolicyAndRoleIDs bool) error {
tx := s.db.Txn(true)
defer tx.Abort()
for _, token := range tokens {
// this is only used when doing batch insertions for upgrades and replication. Therefore
// we take whatever those said.
if err := s.aclTokenSetTxn(tx, idx, token, cas, true, false); err != nil {
if err := s.aclTokenSetTxn(tx, idx, token, cas, allowMissingPolicyAndRoleIDs, false); err != nil {
return err
}
}
@ -1469,12 +1467,12 @@ func (s *Store) aclPolicyDeleteTxn(tx *memdb.Txn, idx uint64, value, index strin
return nil
}
func (s *Store) ACLRoleBatchSet(idx uint64, roles structs.ACLRoles) error {
func (s *Store) ACLRoleBatchSet(idx uint64, roles structs.ACLRoles, allowMissingPolicyIDs bool) error {
tx := s.db.Txn(true)
defer tx.Abort()
for _, role := range roles {
if err := s.aclRoleSetTxn(tx, idx, role, true); err != nil {
if err := s.aclRoleSetTxn(tx, idx, role, allowMissingPolicyIDs); err != nil {
return err
}
}

161
agent/consul/state/acl_test.go
View File

@ -141,7 +141,7 @@ func setupExtraPoliciesAndRoles(t *testing.T, s *Store) {
role.SetHash(true)
}
require.NoError(t, s.ACLRoleBatchSet(3, roles))
require.NoError(t, s.ACLRoleBatchSet(3, roles, false))
}
func testACLTokensStateStore(t *testing.T) *Store {
@ -619,7 +619,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(2, tokens, true))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, true, false))
_, token, err := s.ACLTokenGetByAccessor(nil, tokens[0].AccessorID)
require.NoError(t, err)
@ -640,7 +640,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(5, tokens, true))
require.NoError(t, s.ACLTokenBatchSet(5, tokens, true, false))
updated := structs.ACLTokens{
&structs.ACLToken{
@ -651,7 +651,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(6, updated, true))
require.NoError(t, s.ACLTokenBatchSet(6, updated, true, false))
_, token, err := s.ACLTokenGetByAccessor(nil, tokens[0].AccessorID)
require.NoError(t, err)
@ -670,7 +670,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(5, tokens, true))
require.NoError(t, s.ACLTokenBatchSet(5, tokens, true, false))
updated := structs.ACLTokens{
&structs.ACLToken{
@ -680,7 +680,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(6, updated, true))
require.NoError(t, s.ACLTokenBatchSet(6, updated, true, false))
_, token, err := s.ACLTokenGetByAccessor(nil, tokens[0].AccessorID)
require.NoError(t, err)
@ -703,7 +703,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false, false))
idx, rtokens, err := s.ACLTokenBatchGet(nil, []string{
"a4f68bd6-3af5-4f56-b764-3c6f20247879",
@ -734,7 +734,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false, false))
updates := structs.ACLTokens{
&structs.ACLToken{
@ -759,7 +759,7 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(3, updates, false))
require.NoError(t, s.ACLTokenBatchSet(3, updates, false, false))
idx, rtokens, err := s.ACLTokenBatchGet(nil, []string{
"a4f68bd6-3af5-4f56-b764-3c6f20247879",
@ -787,6 +787,83 @@ func TestStateStore_ACLTokens_UpsertBatchRead(t *testing.T) {
require.Equal(t, uint64(2), rtokens[1].CreateIndex)
require.Equal(t, uint64(3), rtokens[1].ModifyIndex)
})
t.Run("AllowMissing - Policy", func(t *testing.T) {
t.Parallel()
s := testACLTokensStateStore(t)
const fakePolicyID = "0ea7b58a-3d86-4e82-b656-577b63d727f3"
tokens := structs.ACLTokens{
&structs.ACLToken{
AccessorID: "a4f68bd6-3af5-4f56-b764-3c6f20247879",
SecretID: "00ff4564-dd96-4d1b-8ad6-578a08279f79",
Policies: []structs.ACLTokenPolicyLink{
structs.ACLTokenPolicyLink{
ID: fakePolicyID,
},
},
},
}
require.Error(t, s.ACLTokenBatchSet(2, tokens, false, false))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false, true))
idx, rtokens, err := s.ACLTokenBatchGet(nil, []string{
"a4f68bd6-3af5-4f56-b764-3c6f20247879",
})
require.NoError(t, err)
require.Equal(t, uint64(2), idx)
require.Len(t, rtokens, 1)
// Persisting invalid IDs will cause them to be masked during read. So
// before we compare structures strike the dead entries.
tokens[0].Policies = []structs.ACLTokenPolicyLink{}
require.Equal(t, tokens[0], rtokens[0])
require.Equal(t, uint64(2), rtokens[0].CreateIndex)
require.Equal(t, uint64(2), rtokens[0].ModifyIndex)
})
t.Run("AllowMissing - Role", func(t *testing.T) {
t.Parallel()
s := testACLTokensStateStore(t)
const fakeRoleID = "fbd9776e-4403-47a1-8ff1-8d24179ec307"
tokens := structs.ACLTokens{
&structs.ACLToken{
AccessorID: "a4f68bd6-3af5-4f56-b764-3c6f20247879",
SecretID: "00ff4564-dd96-4d1b-8ad6-578a08279f79",
Roles: []structs.ACLTokenRoleLink{
structs.ACLTokenRoleLink{
ID: fakeRoleID,
},
},
},
}
require.Error(t, s.ACLTokenBatchSet(2, tokens, false, false))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false, true))
idx, rtokens, err := s.ACLTokenBatchGet(nil, []string{
"a4f68bd6-3af5-4f56-b764-3c6f20247879",
})
// Persisting invalid IDs will cause them to be masked during read. So
// before we compare structures strike the dead entries.
tokens[0].Roles = []structs.ACLTokenRoleLink{}
require.NoError(t, err)
require.Equal(t, uint64(2), idx)
require.Len(t, rtokens, 1)
require.Equal(t, tokens[0], rtokens[0])
require.Equal(t, uint64(2), rtokens[0].CreateIndex)
require.Equal(t, uint64(2), rtokens[0].ModifyIndex)
})
}
func TestStateStore_ACLTokens_ListUpgradeable(t *testing.T) {
@ -874,7 +951,7 @@ func TestStateStore_ACLTokens_ListUpgradeable(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(7, updates, false))
require.NoError(t, s.ACLTokenBatchSet(7, updates, false, false))
tokens, _, err = s.ACLTokenListUpgradeable(10)
require.NoError(t, err)
@ -965,7 +1042,7 @@ func TestStateStore_ACLToken_List(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false, false))
type testCase struct {
name string
@ -1486,7 +1563,7 @@ func TestStateStore_ACLToken_Delete(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false))
require.NoError(t, s.ACLTokenBatchSet(2, tokens, false, false))
_, rtoken, err := s.ACLTokenGetByAccessor(nil, "f1093997-b6c7-496d-bfb8-6b1b1895641b")
require.NoError(t, err)
@ -2185,7 +2262,7 @@ func TestStateStore_ACLRoles_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLRoleBatchSet(2, roles))
require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
idx, rroles, err := s.ACLRoleBatchGet(nil, []string{testRoleID_A, testRoleID_B})
require.NoError(t, err)
@ -2227,7 +2304,7 @@ func TestStateStore_ACLRoles_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLRoleBatchSet(2, roles))
require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
// Update two roles at the same time.
updates := structs.ACLRoles{
@ -2255,7 +2332,7 @@ func TestStateStore_ACLRoles_UpsertBatchRead(t *testing.T) {
},
}
require.NoError(t, s.ACLRoleBatchSet(3, updates))
require.NoError(t, s.ACLRoleBatchSet(3, updates, false))
idx, rroles, err := s.ACLRoleBatchGet(nil, []string{testRoleID_A, testRoleID_B})
@ -2277,6 +2354,46 @@ func TestStateStore_ACLRoles_UpsertBatchRead(t *testing.T) {
require.Equal(t, uint64(2), rroles[1].CreateIndex)
require.Equal(t, uint64(3), rroles[1].ModifyIndex)
})
t.Run("AllowMissing - Policy", func(t *testing.T) {
t.Parallel()
s := testACLRolesStateStore(t)
const fakePolicyID = "0ea7b58a-3d86-4e82-b656-577b63d727f3"
roles := structs.ACLRoles{
&structs.ACLRole{
ID: "d08ca6e3-a000-487e-8d25-e0cb616c221d",
Name: "role1",
Description: "test-role1",
Policies: []structs.ACLRolePolicyLink{
structs.ACLRolePolicyLink{
ID: fakePolicyID,
},
},
},
}
require.Error(t, s.ACLRoleBatchSet(2, roles, false))
require.NoError(t, s.ACLRoleBatchSet(2, roles, true))
idx, rroles, err := s.ACLRoleBatchGet(nil, []string{
"d08ca6e3-a000-487e-8d25-e0cb616c221d",
})
require.NoError(t, err)
require.Equal(t, uint64(2), idx)
require.Len(t, rroles, 1)
// Persisting invalid IDs will cause them to be masked during read. So
// before we compare structures strike the dead entries.
roles[0].Policies = []structs.ACLRolePolicyLink{}
require.Equal(t, roles[0], rroles[0])
require.Equal(t, uint64(2), rroles[0].CreateIndex)
require.Equal(t, uint64(2), rroles[0].ModifyIndex)
})
}
func TestStateStore_ACLRole_List(t *testing.T) {
@ -2306,7 +2423,7 @@ func TestStateStore_ACLRole_List(t *testing.T) {
},
}
require.NoError(t, s.ACLRoleBatchSet(2, roles))
require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
type testCase struct {
name string
@ -2588,7 +2705,7 @@ func TestStateStore_ACLRole_Delete(t *testing.T) {
},
}
require.NoError(t, s.ACLRoleBatchSet(2, roles))
require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
_, rrole, err := s.ACLRoleGetByID(nil, testRoleID_A)
require.NoError(t, err)
@ -2993,7 +3110,7 @@ func TestStateStore_ACLAuthMethod_Delete_RuleAndTokenCascade(t *testing.T) {
AuthMethod: "test-2",
},
}
require.NoError(t, s.ACLTokenBatchSet(4, tokens, false))
require.NoError(t, s.ACLTokenBatchSet(4, tokens, false, false))
// Delete one method.
require.NoError(t, s.ACLAuthMethodDeleteByName(4, "test-1"))
@ -3394,7 +3511,7 @@ func TestStateStore_ACLTokens_Snapshot_Restore(t *testing.T) {
role.SetHash(true)
}
require.NoError(t, s.ACLRoleBatchSet(3, roles))
require.NoError(t, s.ACLRoleBatchSet(3, roles, false))
tokens := structs.ACLTokens{
&structs.ACLToken{
@ -3451,7 +3568,7 @@ func TestStateStore_ACLTokens_Snapshot_Restore(t *testing.T) {
},
}
require.NoError(t, s.ACLTokenBatchSet(4, tokens, false))
require.NoError(t, s.ACLTokenBatchSet(4, tokens, false, false))
// Snapshot the ACLs.
snap := s.Snapshot()
@ -3485,7 +3602,7 @@ func TestStateStore_ACLTokens_Snapshot_Restore(t *testing.T) {
require.NoError(t, s.ACLPolicyBatchSet(2, policies))
// need to ensure we have the roles or else the links will be removed
require.NoError(t, s.ACLRoleBatchSet(2, roles))
require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
// Read the restored ACLs back out and verify that they match.
idx, res, err := s.ACLTokenList(nil, true, true, "", "", "")
@ -3787,7 +3904,7 @@ func TestStateStore_ACLRoles_Snapshot_Restore(t *testing.T) {
},
}
require.NoError(t, s.ACLRoleBatchSet(2, roles))
require.NoError(t, s.ACLRoleBatchSet(2, roles, false))
// Snapshot the ACLs.
snap := s.Snapshot()

2
agent/structs/acl.go
View File

@ -1079,6 +1079,7 @@ func (r *ACLTokenBatchGetRequest) RequestDatacenter() string {
type ACLTokenBatchSetRequest struct {
Tokens ACLTokens
CAS bool
AllowMissingLinks bool
}
// ACLTokenBatchDeleteRequest is used only at the Raft layer
@ -1290,6 +1291,7 @@ type ACLRoleBatchResponse struct {
// This is particularly useful during replication
type ACLRoleBatchSetRequest struct {
Roles ACLRoles
AllowMissingLinks bool
}
// ACLRoleBatchDeleteRequest is used at the Raft layer for batching