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acl: move vet functions 

These functions are moved to the one place they are called to improve code locality.

They are being moved out of agent/consul/acl.go in preparation for moving
ACLResolver to an acl package.
This commit is contained in:
Daniel Nephin 2021-07-30 12:55:04 -04:00
parent c8eedabc7c
commit 37c67cb280
2 changed files with 30 additions and 42 deletions
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42
agent/consul/acl.go
View File

@ -2048,45 +2048,3 @@ func (r *ACLResolver) filterACL(token string, subj interface{}) error {
return r.filterACLWithAuthorizer(authorizer, subj)
}
// vetNodeTxnOp applies the given ACL policy to a node transaction operation.
func vetNodeTxnOp(op *structs.TxnNodeOp, rule acl.Authorizer) error {
// Fast path if ACLs are not enabled.
if rule == nil {
return nil
}
var authzContext acl.AuthorizerContext
op.FillAuthzContext(&authzContext)
if rule.NodeWrite(op.Node.Node, &authzContext) != acl.Allow {
return acl.ErrPermissionDenied
}
return nil
}
// vetCheckTxnOp applies the given ACL policy to a check transaction operation.
func vetCheckTxnOp(op *structs.TxnCheckOp, rule acl.Authorizer) error {
// Fast path if ACLs are not enabled.
if rule == nil {
return nil
}
var authzContext acl.AuthorizerContext
op.FillAuthzContext(&authzContext)
if op.Check.ServiceID == "" {
// Node-level check.
if rule.NodeWrite(op.Check.Node, &authzContext) != acl.Allow {
return acl.ErrPermissionDenied
}
} else {
// Service-level check.
if rule.ServiceWrite(op.Check.ServiceName, &authzContext) != acl.Allow {
return acl.ErrPermissionDenied
}
}
return nil
}

30
agent/consul/txn_endpoint.go
View File

@ -108,6 +108,36 @@ func (t *Txn) preCheck(authorizer acl.Authorizer, ops structs.TxnOps) structs.Tx
return errors
}
// vetNodeTxnOp applies the given ACL policy to a node transaction operation.
func vetNodeTxnOp(op *structs.TxnNodeOp, rule acl.Authorizer) error {
var authzContext acl.AuthorizerContext
op.FillAuthzContext(&authzContext)
if rule.NodeWrite(op.Node.Node, &authzContext) != acl.Allow {
return acl.ErrPermissionDenied
}
return nil
}
// vetCheckTxnOp applies the given ACL policy to a check transaction operation.
func vetCheckTxnOp(op *structs.TxnCheckOp, rule acl.Authorizer) error {
var authzContext acl.AuthorizerContext
op.FillAuthzContext(&authzContext)
if op.Check.ServiceID == "" {
// Node-level check.
if rule.NodeWrite(op.Check.Node, &authzContext) != acl.Allow {
return acl.ErrPermissionDenied
}
} else {
// Service-level check.
if rule.ServiceWrite(op.Check.ServiceName, &authzContext) != acl.Allow {
return acl.ErrPermissionDenied
}
}
return nil
}
// Apply is used to apply multiple operations in a single, atomic transaction.
func (t *Txn) Apply(args *structs.TxnRequest, reply *structs.TxnResponse) error {
if done, err := t.srv.ForwardRPC("Txn.Apply", args, reply); done {