| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef __CORE_FS_MGR_AVB_OPS_H |
| #define __CORE_FS_MGR_AVB_OPS_H |
| |
| #include <libavb/libavb.h> |
| |
| #include "fs_mgr.h" |
| |
| __BEGIN_DECLS |
| |
| /* Allocates a "dummy" AvbOps instance solely for use in user-space. |
| * Returns nullptr on OOM. |
| * |
| * It mainly provides read_from_partitions() for user-space to get |
| * AvbSlotVerifyData.vbmeta_images[] and the caller MUST check their |
| * integrity against the androidboot.vbmeta.{hash_alg, size, digest} |
| * values from /proc/cmdline, e.g. verify_vbmeta_images() |
| * in fs_mgr_avb.cpp. |
| * |
| * Other I/O operations are only required in boot loader so we set |
| * them as dummy operations here. |
| * - Will allow any public key for signing. |
| * - returns 0 for any rollback index location. |
| * - returns device is unlocked regardless of the actual state. |
| * - returns a dummy guid for any partition. |
| * |
| * Frees with fs_mgr_dummy_avb_ops_free(). |
| */ |
| AvbOps* fs_mgr_dummy_avb_ops_new(struct fstab* fstab); |
| |
| /* Frees an AvbOps instance previously allocated with fs_mgr_avb_ops_new(). */ |
| void fs_mgr_dummy_avb_ops_free(AvbOps* ops); |
| |
| __END_DECLS |
| |
| #endif /* __CORE_FS_MGR_AVB_OPS_H */ |