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Commit 20d9cf2e authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "fs_mgr: add libfstab for vendor"

parents b5b4136a e7df1f76

fs_mgr/Android.bp

+32 −15
Original line number Diff line number Diff line
@@ -21,18 +21,6 @@ cc_defaults { 
    },

    local_include_dirs: ["include/"],

    cppflags: ["-Werror"],

    static_libs: [

        "liblogwrap",

        "libfec",

        "libfec_rs",

        "libbase",

        "libcrypto_utils",

        "libcrypto",

        "libext4_utils",

        "libsquashfs_utils",

        "libselinux",

        "libavb",

    ],

}



cc_library_static {
@@ -44,12 +32,28 @@ cc_library_static { 
        "fs_mgr.cpp",

        "fs_mgr_dm_ioctl.cpp",

        "fs_mgr_format.cpp",

        "fs_mgr_fstab.cpp",

        "fs_mgr_slotselect.cpp",

        "fs_mgr_verity.cpp",

        "fs_mgr_avb.cpp",

        "fs_mgr_avb_ops.cpp",

        "fs_mgr_boot_config.cpp",

    ],

    static_libs: [

        "liblogwrap",

        "libfec",

        "libfec_rs",

        "libbase",

        "libcrypto_utils",

        "libcrypto",

        "libext4_utils",

        "libsquashfs_utils",

        "libselinux",

        "libavb",

        "libfstab",

    ],

    export_static_lib_headers: [

        "libfstab",

    ],

    whole_static_libs: [

        "libfstab",

    ],

    product_variables: {

        debuggable: {
@@ -60,3 +64,16 @@ cc_library_static { 
        },

    },

}



cc_library_static {

    name: "libfstab",

    vendor_available: true,

    defaults: ["fs_mgr_defaults"],

    srcs: [

        "fs_mgr_fstab.cpp",

        "fs_mgr_boot_config.cpp",

        "fs_mgr_slotselect.cpp",

    ],

    export_include_dirs: ["include_fstab"],

    header_libs: ["libbase_headers"],

}

fs_mgr/include/fs_mgr.h

+1 −68
Original line number Diff line number Diff line
@@ -22,11 +22,7 @@ 
#include <stdbool.h>

#include <linux/dm-ioctl.h>



// C++ only headers

// TODO: move this into separate header files under include/fs_mgr/*.h

#ifdef __cplusplus

#include <string>

#endif

#include <fstab/fstab.h>



// Magic number at start of verity metadata

#define VERITY_METADATA_MAGIC_NUMBER 0xb001b001
@@ -53,47 +49,10 @@ enum mount_mode { 
    MOUNT_MODE_LATE = 2

};



/*

 * The entries must be kept in the same order as they were seen in the fstab.

 * Unless explicitly requested, a lookup on mount point should always

 * return the 1st one.

 */

struct fstab {

    int num_entries;

    struct fstab_rec *recs;

    char *fstab_filename;

};



struct fstab_rec {

    char *blk_device;

    char *mount_point;

    char *fs_type;

    unsigned long flags;

    char *fs_options;

    int fs_mgr_flags;

    char *key_loc;

    char *verity_loc;

    long long length;

    char *label;

    int partnum;

    int swap_prio;

    int max_comp_streams;

    unsigned int zram_size;

    uint64_t reserved_size;

    unsigned int file_encryption_mode;

    unsigned int erase_blk_size;

    unsigned int logical_blk_size;

};



// Callback function for verity status

typedef void (*fs_mgr_verity_state_callback)(struct fstab_rec *fstab,

        const char *mount_point, int mode, int status);



struct fstab *fs_mgr_read_fstab_default();

struct fstab *fs_mgr_read_fstab_dt();

struct fstab *fs_mgr_read_fstab(const char *fstab_path);

void fs_mgr_free_fstab(struct fstab *fstab);



#define FS_MGR_MNTALL_DEV_FILE_ENCRYPTED 5

#define FS_MGR_MNTALL_DEV_NEEDS_RECOVERY 4

#define FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION 3
@@ -116,26 +75,6 @@ int fs_mgr_get_crypt_info(struct fstab *fstab, char *key_loc, 
                          char *real_blk_device, int size);

bool fs_mgr_load_verity_state(int* mode);

bool fs_mgr_update_verity_state(fs_mgr_verity_state_callback callback);

int fs_mgr_add_entry(struct fstab *fstab,

                     const char *mount_point, const char *fs_type,

                     const char *blk_device);

struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path);

int fs_mgr_is_voldmanaged(const struct fstab_rec *fstab);

int fs_mgr_is_nonremovable(const struct fstab_rec *fstab);

int fs_mgr_is_verified(const struct fstab_rec *fstab);

int fs_mgr_is_verifyatboot(const struct fstab_rec *fstab);

int fs_mgr_is_avb(const struct fstab_rec *fstab);

int fs_mgr_is_encryptable(const struct fstab_rec *fstab);

int fs_mgr_is_file_encrypted(const struct fstab_rec *fstab);

const char* fs_mgr_get_file_encryption_mode(const struct fstab_rec *fstab);

int fs_mgr_is_convertible_to_fbe(const struct fstab_rec *fstab);

int fs_mgr_is_noemulatedsd(const struct fstab_rec *fstab);

int fs_mgr_is_notrim(struct fstab_rec *fstab);

int fs_mgr_is_formattable(struct fstab_rec *fstab);

int fs_mgr_is_slotselect(struct fstab_rec *fstab);

int fs_mgr_is_nofail(struct fstab_rec *fstab);

int fs_mgr_is_latemount(struct fstab_rec *fstab);

int fs_mgr_is_quota(struct fstab_rec *fstab);

int fs_mgr_swapon_all(struct fstab *fstab);



int fs_mgr_do_format(struct fstab_rec *fstab, bool reserve_footer);
@@ -148,10 +87,4 @@ int fs_mgr_setup_verity(struct fstab_rec *fstab, bool wait_for_verity_dev); 


__END_DECLS



// C++ only functions

// TODO: move this into separate header files under include/fs_mgr/*.h

#ifdef __cplusplus

std::string fs_mgr_get_slot_suffix();

#endif



#endif /* __CORE_FS_MGR_H */

fs_mgr/include_fstab/fstab/fstab.h

0 → 100644
+98 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2012 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.

 */



#ifndef __CORE_FS_TAB_H

#define __CORE_FS_TAB_H



#include <linux/dm-ioctl.h>

#include <stdbool.h>

#include <stdint.h>

#include <stdio.h>



// C++ only headers

// TODO: move this into separate header files under include/fs_mgr/*.h

#ifdef __cplusplus

#include <string>

#endif



__BEGIN_DECLS



/*

 * The entries must be kept in the same order as they were seen in the fstab.

 * Unless explicitly requested, a lookup on mount point should always

 * return the 1st one.

 */

struct fstab {

    int num_entries;

    struct fstab_rec* recs;

    char* fstab_filename;

};



struct fstab_rec {

    char* blk_device;

    char* mount_point;

    char* fs_type;

    unsigned long flags;

    char* fs_options;

    int fs_mgr_flags;

    char* key_loc;

    char* verity_loc;

    long long length;

    char* label;

    int partnum;

    int swap_prio;

    int max_comp_streams;

    unsigned int zram_size;

    uint64_t reserved_size;

    unsigned int file_encryption_mode;

    unsigned int erase_blk_size;

    unsigned int logical_blk_size;

};



struct fstab* fs_mgr_read_fstab_default();

struct fstab* fs_mgr_read_fstab_dt();

struct fstab* fs_mgr_read_fstab(const char* fstab_path);

void fs_mgr_free_fstab(struct fstab* fstab);



int fs_mgr_add_entry(struct fstab* fstab, const char* mount_point, const char* fs_type,

                     const char* blk_device);

struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const char* path);

int fs_mgr_is_voldmanaged(const struct fstab_rec* fstab);

int fs_mgr_is_nonremovable(const struct fstab_rec* fstab);

int fs_mgr_is_verified(const struct fstab_rec* fstab);

int fs_mgr_is_verifyatboot(const struct fstab_rec* fstab);

int fs_mgr_is_avb(const struct fstab_rec* fstab);

int fs_mgr_is_encryptable(const struct fstab_rec* fstab);

int fs_mgr_is_file_encrypted(const struct fstab_rec* fstab);

const char* fs_mgr_get_file_encryption_mode(const struct fstab_rec* fstab);

int fs_mgr_is_convertible_to_fbe(const struct fstab_rec* fstab);

int fs_mgr_is_noemulatedsd(const struct fstab_rec* fstab);

int fs_mgr_is_notrim(struct fstab_rec* fstab);

int fs_mgr_is_formattable(struct fstab_rec* fstab);

int fs_mgr_is_slotselect(struct fstab_rec* fstab);

int fs_mgr_is_nofail(struct fstab_rec* fstab);

int fs_mgr_is_latemount(struct fstab_rec* fstab);

int fs_mgr_is_quota(struct fstab_rec* fstab);



__END_DECLS



// C++ only functions

// TODO: move this into separate header files under include/fs_mgr/*.h

#ifdef __cplusplus

std::string fs_mgr_get_slot_suffix();

#endif



#endif /* __CORE_FS_TAB_H */