| // Copyright 2023 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| //! User and group IDs within Microdroid |
| |
| /// Always the user ID of Root. |
| pub const ROOT_UID: u32 = 0; |
| |
| // Android reserves UID/GIDs 6000-6499 for use by the system partition - |
| // see AID_SYSTEM_RESERVED_START. |
| // Within Microdroid we own the system partition, so they are free for our |
| // use. The Microdroid system image includes /system/ext/passwd and |
| // /system/ext/group files that allocate names to the IDs that we are |
| // using, so that tools like `ps` handle them correctly - see build targets |
| // microdroid_etc_passwd and microdroid_etc_group. |
| // (Our UIDs are entirely separate from Android's, but we use the same |
| // Bionic, and it uses the Android definitions - so using a reserved range |
| // helps avoid confusion.) |
| |
| /// Group ID shared by all payload users. |
| pub const MICRODROID_PAYLOAD_GID: u32 = if cfg!(multi_tenant) { 6000 } else { 0 }; |
| |
| /// User ID for the initial payload user. |
| pub const MICRODROID_PAYLOAD_UID: u32 = if cfg!(multi_tenant) { 6000 } else { 0 }; |