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1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ | |
2 | #pragma once | |
3 | ||
4 | #include <openssl/evp.h> | |
5 | ||
6 | #include "sd-bus.h" | |
7 | #include "sd-device.h" | |
8 | #include "sd-event.h" | |
9 | ||
10 | typedef struct Manager Manager; | |
11 | ||
12 | #include "hashmap.h" | |
13 | #include "homed-home.h" | |
14 | #include "varlink.h" | |
15 | ||
16 | /* The LUKS free disk space rebalancing logic goes through this state machine */ | |
17 | typedef enum RebalanceState { | |
18 | REBALANCE_OFF, /* No rebalancing enabled */ | |
19 | REBALANCE_IDLE, /* Rebalancing enabled, but currently nothing scheduled */ | |
20 | REBALANCE_WAITING, /* Rebalancing has been requested for a later point in time */ | |
21 | REBALANCE_PENDING, /* Rebalancing has been requested and will be executed ASAP */ | |
22 | REBALANCE_SHRINKING, /* Rebalancing ongoing, and we are running all shrinking operations */ | |
23 | REBALANCE_GROWING, /* Rebalancing ongoign, and we are running all growing operations */ | |
24 | _REBALANCE_STATE_MAX, | |
25 | _REBALANCE_STATE_INVALID = -1, | |
26 | } RebalanceState; | |
27 | ||
28 | struct Manager { | |
29 | sd_event *event; | |
30 | sd_bus *bus; | |
31 | ||
32 | Hashmap *polkit_registry; | |
33 | ||
34 | Hashmap *homes_by_uid; | |
35 | Hashmap *homes_by_name; | |
36 | Hashmap *homes_by_worker_pid; | |
37 | Hashmap *homes_by_sysfs; | |
38 | ||
39 | bool scan_slash_home; | |
40 | UserStorage default_storage; | |
41 | char *default_file_system_type; | |
42 | ||
43 | sd_event_source *inotify_event_source; | |
44 | ||
45 | /* An event source we receive sd_notify() messages from our worker from */ | |
46 | sd_event_source *notify_socket_event_source; | |
47 | ||
48 | sd_device_monitor *device_monitor; | |
49 | ||
50 | sd_event_source *deferred_rescan_event_source; | |
51 | sd_event_source *deferred_gc_event_source; | |
52 | sd_event_source *deferred_auto_login_event_source; | |
53 | ||
54 | sd_event_source *rebalance_event_source; | |
55 | ||
56 | Home *gc_focus; | |
57 | ||
58 | VarlinkServer *varlink_server; | |
59 | char *userdb_service; | |
60 | ||
61 | EVP_PKEY *private_key; /* actually a pair of private and public key */ | |
62 | Hashmap *public_keys; /* key name [char*] → public key [EVP_PKEY*] */ | |
63 | ||
64 | RebalanceState rebalance_state; | |
65 | usec_t rebalance_interval_usec; | |
66 | ||
67 | /* In order to allow synchronous rebalance requests via bus calls we maintain two pools of bus | |
68 | * messages: 'rebalance_pending_methods' are the method calls we are currently operating on and | |
69 | * running a rebalancing operation for. 'rebalance_queued_method_calls' are the method calls that | |
70 | * have been queued since then and that we'll operate on once we complete the current run. */ | |
71 | Set *rebalance_pending_method_calls, *rebalance_queued_method_calls; | |
72 | }; | |
73 | ||
74 | int manager_new(Manager **ret); | |
75 | Manager* manager_free(Manager *m); | |
76 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); | |
77 | ||
78 | int manager_startup(Manager *m); | |
79 | ||
80 | int manager_augment_record_with_uid(Manager *m, UserRecord *hr); | |
81 | ||
82 | int manager_enqueue_rescan(Manager *m); | |
83 | int manager_enqueue_gc(Manager *m, Home *focus); | |
84 | ||
85 | int manager_schedule_rebalance(Manager *m, bool immediately); | |
86 | int manager_reschedule_rebalance(Manager *m); | |
87 | ||
88 | int manager_verify_user_record(Manager *m, UserRecord *hr); | |
89 | ||
90 | int manager_acquire_key_pair(Manager *m); | |
91 | int manager_sign_user_record(Manager *m, UserRecord *u, UserRecord **ret, sd_bus_error *error); | |
92 | ||
93 | int bus_manager_emit_auto_login_changed(Manager *m); |