test: new test, verify handling of non-admin users

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/case/ietf_system/all.yaml

@@ -1,5 +1,6 @@
 ---
 - case: hostname.py
 - case: add_delete_user.py
+- case: user_admin.py
 - case: timezone.py
 - case: timezone_utc_offset.py

test/case/ietf_system/user_admin.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+"""
+  Add a non-admin user and verify they have no privs
+  Add user to admin group and recheck privileges
+"""
+
+import infamy
+from passlib.hash import sha256_crypt
+
+with infamy.Test() as test:
+    with test.step("Initializing ..."):
+        env = infamy.Env(infamy.std_topology("1x1"))
+        target = env.attach("target", "mgmt")
+        tgtssh = env.attach("target", "mgmt", "ssh")
+
+    with test.step("Add new user"):
+        USER = "jacky"
+        PASS = "$1$3aR7Bq2u$G9kV.8AALtKkCnaAXFyu6/"
+
+        target.put_config_dict("ietf-system", {
+            "system": {
+                "authentication": {
+                    "user": [
+                        {
+                            "name": USER,
+                            "password": PASS,
+                            "shell": "infix-shell-type:bash"
+                        }
+                    ]
+                }
+            }
+        })
+        running = target.get_config_dict("/ietf-system:system")
+        users = running["system"]["authentication"]["user"]
+
+    with test.step(f"Verify regular user {USER} exists ..."):
+        jacky = next((user for user in users if user['name'] == USER), None)
+        if not any(user['name'] == USER for user in users):
+            test.fail()
+
+    with test.step(f"Verify user {USER} is not in wheel group ..."):
+        wheel = tgtssh.runsh("grep wheel /etc/group").stdout
+        if USER in wheel:
+            test.fail()
+
+    with test.step(f"Verify user {USER} shell is not Bash ..."):
+        user = tgtssh.runsh(f"grep {USER} /etc/passwd").stdout
+        if "bash" in user:
+            test.fail()
+
+    with test.step(f"Verify user {USER} password is set correctly ..."):
+        if not tgtssh.runsh(f"sudo grep ':{PASS}:' /etc/shadow"):
+            test.fail()
+
+    with test.step(f"Add {USER} user to admin group"):
+        target.put_config_dict("ietf-netconf-acm", {
+            "nacm": {
+                "groups": {
+                    "group": [
+                        {
+                            "name": "admin",
+                            "user-name": [
+                                "admin",
+                                "jacky"
+                            ]
+                        }
+                    ]
+                }
+            }})
+
+    with test.step(f"Verify user {USER} is now in wheel group ..."):
+        if not tgtssh.runsh(f"grep wheel /etc/group | grep '{USER}'"):
+            test.fail()
+
+    with test.step(f"Verify user {USER} shell now is Bash ..."):
+        user = tgtssh.runsh(f"grep {USER} /etc/passwd").stdout
+        if "bash" not in user:
+            test.fail()
+
+    test.succeed()