[pbs-devel] [PATCH proxmox-backup 1/5] pbs-config: add delete_authid to ACL-tree

Hannes Laimer h.laimer at proxmox.com
Tue Dec 20 15:57:10 CET 2022


... allows the deletion of an authid from the whole tree. Needed
for removing deleted users/tokens.

Signed-off-by: Hannes Laimer <h.laimer at proxmox.com>
---
 pbs-config/src/acl.rs | 71 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/pbs-config/src/acl.rs b/pbs-config/src/acl.rs
index 89a54dfc..a4a79755 100644
--- a/pbs-config/src/acl.rs
+++ b/pbs-config/src/acl.rs
@@ -280,6 +280,13 @@ impl AclTreeNode {
         roles.remove(role);
     }
 
+    fn delete_authid(&mut self, auth_id: &Authid) {
+        for (_name, node) in self.children.iter_mut() {
+            node.delete_authid(auth_id);
+        }
+        self.users.remove(auth_id);
+    }
+
     fn insert_group_role(&mut self, group: String, role: String, propagate: bool) {
         let map = self.groups.entry(group).or_default();
         if role == ROLE_NAME_NO_ACCESS {
@@ -411,6 +418,14 @@ impl AclTree {
         }
     }
 
+    /// Deletes a user or token from the ACL-tree
+    ///
+    /// Traverses the tree in-order and removes the given user/token by their Authid
+    /// from every node in the tree.
+    pub fn delete_authid(&mut self, auth_id: &Authid) {
+        self.root.delete_authid(auth_id);
+    }
+
     /// Inserts the specified `role` into the `group` ACL on `path`.
     ///
     /// The [`AclTreeNode`] representing `path` will be created and inserted into the tree if
@@ -1010,4 +1025,60 @@ acl:1:/storage/store1:user1 at pbs:DatastoreBackup
 
         Ok(())
     }
+
+    #[test]
+    fn test_delete_authid() -> Result<(), Error> {
+        let mut tree = AclTree::new();
+
+        let user1: Authid = "user1 at pbs".parse()?;
+        let user2: Authid = "user2 at pbs".parse()?;
+
+        let user1_paths = vec![
+            "/",
+            "/storage",
+            "/storage/a",
+            "/storage/a/b",
+            "/storage/b",
+            "/storage/b/a",
+            "/storage/b/b",
+            "/storage/a/a",
+        ];
+        let user2_paths = vec!["/", "/storage", "/storage/a/b", "/storage/a/a"];
+
+        for path in &user1_paths {
+            tree.insert_user_role(path, &user1, "NoAccess", true);
+        }
+        for path in &user2_paths {
+            tree.insert_user_role(path, &user2, "NoAccess", true);
+        }
+
+        tree.delete_authid(&user1);
+
+        for path in &user1_paths {
+            let node = tree.find_node(path);
+            assert!(node.is_some());
+            if let Some(node) = node {
+                assert!(node.users.get(&user1).is_none());
+            }
+        }
+        for path in &user2_paths {
+            let node = tree.find_node(path);
+            assert!(node.is_some());
+            if let Some(node) = node {
+                assert!(node.users.get(&user2).is_some());
+            }
+        }
+
+        tree.delete_authid(&user2);
+
+        for path in &user2_paths {
+            let node = tree.find_node(path);
+            assert!(node.is_some());
+            if let Some(node) = node {
+                assert!(node.users.get(&user2).is_none());
+            }
+        }
+
+        Ok(())
+    }
 }
-- 
2.30.2






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