src/home/homework.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <linux/fs.h>
   5 #include <sys/vfs.h>
   6
   7 #include "sd-id128.h"
   8
   9 #include "loop-util.h"
  10 #include "user-record.h"
  11 #include "user-record-util.h"
  12
  13 typedef struct HomeSetup {
  14         char *dm_name;
  15         char *dm_node;
  16
  17         LoopDevice *loop;
  18         struct crypt_device *crypt_device;
  19         int root_fd;
  20         sd_id128_t found_partition_uuid;
  21         sd_id128_t found_luks_uuid;
  22         sd_id128_t found_fs_uuid;
  23
  24         uint8_t fscrypt_key_descriptor[FS_KEY_DESCRIPTOR_SIZE];
  25
  26         void *volume_key;
  27         size_t volume_key_size;
  28
  29         bool undo_dm;
  30         bool undo_mount;
  31
  32         uint64_t partition_offset;
  33         uint64_t partition_size;
  34 } HomeSetup;
  35
  36 #define HOME_SETUP_INIT                                 \
  37         {                                               \
  38                 .root_fd = -1,                          \
  39                 .partition_offset = UINT64_MAX,         \
  40                 .partition_size = UINT64_MAX,           \
  41         }
  42
  43 int home_setup_undo(HomeSetup *setup);
  44
  45 int home_prepare(UserRecord *h, bool already_activated, char ***pkcs11_decrypted_passwords, HomeSetup *setup, UserRecord **ret_header_home);
  46
  47 int home_refresh(UserRecord *h, HomeSetup *setup, UserRecord *header_home, char ***pkcs11_decrypted_passwords, struct statfs *ret_statfs, UserRecord **ret_new_home);
  48
  49 int home_populate(UserRecord *h, int dir_fd);
  50
  51 int home_load_embedded_identity(UserRecord *h, int root_fd, UserRecord *header_home, UserReconcileMode mode, char ***pkcs11_decrypted_passwords, UserRecord **ret_embedded_home, UserRecord **ret_new_home);
  52 int home_store_embedded_identity(UserRecord *h, int root_fd, uid_t uid, UserRecord *old_home);
  53 int home_extend_embedded_identity(UserRecord *h, UserRecord *used, HomeSetup *setup);
  54
  55 int user_record_authenticate(UserRecord *h, UserRecord *secret, char ***pkcs11_decrypted_passwords);
  56
  57 int home_sync_and_statfs(int root_fd, struct statfs *ret);