1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3 
4 #include <stdbool.h>
5 
6 #include "sd-bus.h"
7 
8 #include "time-util.h"
9 #include "user-record.h"
10 
11 /* Put some limits on disk sizes: not less than 5M, not more than 5T */
12 #define USER_DISK_SIZE_MIN (UINT64_C(5)*1024*1024)
13 #define USER_DISK_SIZE_MAX (UINT64_C(5)*1024*1024*1024*1024)
14 
15 /* The default disk size to use when nothing else is specified, relative to free disk space. We calculate
16  * this from the default rebalancing weights, so that what we create initially doesn't immediately require
17  * rebalancing. */
18 #define USER_DISK_SIZE_DEFAULT_PERCENT ((unsigned) ((100 * REBALANCE_WEIGHT_DEFAULT) / (REBALANCE_WEIGHT_DEFAULT + REBALANCE_WEIGHT_BACKING)))
19 
20 /* This should be 83% right now, i.e. 100 of (100 + 20). Let's protect us against accidental changes. */
21 assert_cc(USER_DISK_SIZE_DEFAULT_PERCENT == 83U);
22 
23 bool suitable_user_name(const char *name);
24 int suitable_realm(const char *realm);
25 int suitable_image_path(const char *path);
26 
27 bool supported_fstype(const char *fstype);
28 
29 int split_user_name_realm(const char *t, char **ret_user_name, char **ret_realm);
30 
31 int bus_message_append_secret(sd_bus_message *m, UserRecord *secret);
32 
33 /* Many of our operations might be slow due to crypto, fsck, recursive chown() and so on. For these
34  * operations permit a *very* long timeout */
35 #define HOME_SLOW_BUS_CALL_TIMEOUT_USEC (2*USEC_PER_MINUTE)
36 
37 const char *home_record_dir(void);
38