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