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user-record: add auto-resize property

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This commit is contained in:
Lennart Poettering
2021-11-23 08:04:10 +01:00
parent f2ec9d2955
commit 8bec643c8f
3 changed files with 62 additions and 0 deletions
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src/shared/user-record-show.c
+3
View File
@@ -444,6 +444,9 @@ void user_record_show(UserRecord *hr, bool show_full_group_info) {
if (hr->drop_caches >= 0 || user_record_drop_caches(hr))
printf(" Drop Caches: %s\n", yes_no(user_record_drop_caches(hr)));
if (hr->auto_resize_mode >= 0)
printf(" Auto Resize: %s\n", auto_resize_mode_to_string(user_record_auto_resize_mode(hr)));
if (!strv_isempty(hr->ssh_authorized_keys))
printf("SSH Pub. Key: %zu\n", strv_length(hr->ssh_authorized_keys));
src/shared/user-record.c
+46
View File
@@ -84,6 +84,7 @@ UserRecord* user_record_new(void) {
.fido2_user_presence_permitted = -1,
.fido2_user_verification_permitted = -1,
.drop_caches = -1,
.auto_resize_mode = _AUTO_RESIZE_MODE_INVALID,
};
return h;
@@ -957,6 +958,32 @@ static int dispatch_recovery_key(const char *name, JsonVariant *variant, JsonDis
return 0;
}
static int dispatch_auto_resize_mode(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata) {
AutoResizeMode *mode = userdata, m;
assert_se(mode);
if (json_variant_is_null(variant)) {
*mode = _AUTO_RESIZE_MODE_INVALID;
return 0;
}
if (json_variant_is_boolean(variant)) {
*mode = json_variant_boolean(variant) ? AUTO_RESIZE_SHRINK_AND_GROW : AUTO_RESIZE_OFF;
return 0;
}
if (!json_variant_is_string(variant))
return json_log(variant, flags, SYNTHETIC_ERRNO(EINVAL), "JSON field '%s' is not a string, boolean or null.", strna(name));
m = auto_resize_mode_from_string(json_variant_string(variant));
if (m < 0)
return json_log(variant, flags, SYNTHETIC_ERRNO(EINVAL), "JSON field '%s' is not a valid automatic resize mode.", strna(name));
*mode = m;
return 0;
}
static int dispatch_privileged(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata) {
static const JsonDispatch privileged_dispatch_table[] = {
@@ -1149,6 +1176,7 @@ static int dispatch_per_machine(const char *name, JsonVariant *variant, JsonDisp
{ "luksPbkdfParallelThreads", JSON_VARIANT_UNSIGNED, json_dispatch_uint64, offsetof(UserRecord, luks_pbkdf_parallel_threads), 0 },
{ "luksExtraMountOptions", JSON_VARIANT_STRING, json_dispatch_string, offsetof(UserRecord, luks_extra_mount_options), 0 },
{ "dropCaches", JSON_VARIANT_BOOLEAN, json_dispatch_tristate, offsetof(UserRecord, drop_caches), 0 },
{ "autoResizeMode", _JSON_VARIANT_TYPE_INVALID, dispatch_auto_resize_mode, offsetof(UserRecord, auto_resize_mode), 0 },
{ "rateLimitIntervalUSec", JSON_VARIANT_UNSIGNED, json_dispatch_uint64, offsetof(UserRecord, ratelimit_interval_usec), 0 },
{ "rateLimitBurst", JSON_VARIANT_UNSIGNED, json_dispatch_uint64, offsetof(UserRecord, ratelimit_burst), 0 },
{ "enforcePasswordPolicy", JSON_VARIANT_BOOLEAN, json_dispatch_tristate, offsetof(UserRecord, enforce_password_policy), 0 },
@@ -1499,6 +1527,7 @@ int user_record_load(UserRecord *h, JsonVariant *v, UserRecordLoadFlags load_fla
{ "luksPbkdfParallelThreads", JSON_VARIANT_UNSIGNED, json_dispatch_uint64, offsetof(UserRecord, luks_pbkdf_parallel_threads), 0 },
{ "luksExtraMountOptions", JSON_VARIANT_STRING, json_dispatch_string, offsetof(UserRecord, luks_extra_mount_options), 0 },
{ "dropCaches", JSON_VARIANT_BOOLEAN, json_dispatch_tristate, offsetof(UserRecord, drop_caches), 0 },
{ "autoResizeMode", _JSON_VARIANT_TYPE_INVALID, dispatch_auto_resize_mode, offsetof(UserRecord, auto_resize_mode), 0 },
{ "service", JSON_VARIANT_STRING, json_dispatch_string, offsetof(UserRecord, service), JSON_SAFE },
{ "rateLimitIntervalUSec", JSON_VARIANT_UNSIGNED, json_dispatch_uint64, offsetof(UserRecord, ratelimit_interval_usec), 0 },
{ "rateLimitBurst", JSON_VARIANT_UNSIGNED, json_dispatch_uint64, offsetof(UserRecord, ratelimit_burst), 0 },
@@ -1901,6 +1930,15 @@ bool user_record_drop_caches(UserRecord *h) {
return user_record_storage(h) == USER_FSCRYPT;
}
AutoResizeMode user_record_auto_resize_mode(UserRecord *h) {
assert(h);
if (h->auto_resize_mode >= 0)
return h->auto_resize_mode;
return user_record_storage(h) == USER_LUKS ? AUTO_RESIZE_SHRINK_AND_GROW : AUTO_RESIZE_OFF;
}
uint64_t user_record_ratelimit_next_try(UserRecord *h) {
assert(h);
@@ -2148,3 +2186,11 @@ static const char* const user_disposition_table[_USER_DISPOSITION_MAX] = {
};
DEFINE_STRING_TABLE_LOOKUP(user_disposition, UserDisposition);
static const char* const auto_resize_mode_table[_AUTO_RESIZE_MODE_MAX] = {
[AUTO_RESIZE_OFF] = "off",
[AUTO_RESIZE_GROW] = "grow",
[AUTO_RESIZE_SHRINK_AND_GROW] = "shrink-and-grow",
};
DEFINE_STRING_TABLE_LOOKUP(auto_resize_mode, AutoResizeMode);
src/shared/user-record.h
+13
View File
@@ -213,6 +213,14 @@ typedef struct RecoveryKey {
char *hashed_password;
} RecoveryKey;
typedef enum AutoResizeMode {
AUTO_RESIZE_OFF, /* no automatic grow/shrink */
AUTO_RESIZE_GROW, /* grow at login */
AUTO_RESIZE_SHRINK_AND_GROW, /* shrink at logout + grow at login */
_AUTO_RESIZE_MODE_MAX,
_AUTO_RESIZE_MODE_INVALID = -EINVAL,
} AutoResizeMode;
typedef struct UserRecord {
/* The following three fields are not part of the JSON record */
unsigned n_ref;
@@ -249,6 +257,7 @@ typedef struct UserRecord {
uint64_t disk_size_relative; /* Disk size, relative to the free bytes of the medium, normalized to UINT32_MAX = 100% */
char *skeleton_directory;
mode_t access_mode;
AutoResizeMode auto_resize_mode;
uint64_t tasks_max;
uint64_t memory_high;
@@ -387,6 +396,7 @@ usec_t user_record_ratelimit_interval_usec(UserRecord *h);
uint64_t user_record_ratelimit_burst(UserRecord *h);
bool user_record_can_authenticate(UserRecord *h);
bool user_record_drop_caches(UserRecord *h);
AutoResizeMode user_record_auto_resize_mode(UserRecord *h);
int user_record_build_image_path(UserStorage storage, const char *user_name_and_realm, char **ret);
@@ -417,3 +427,6 @@ UserStorage user_storage_from_string(const char *s) _pure_;
const char* user_disposition_to_string(UserDisposition t) _const_;
UserDisposition user_disposition_from_string(const char *s) _pure_;
const char* auto_resize_mode_to_string(AutoResizeMode m) _const_;
AutoResizeMode auto_resize_mode_from_string(const char *s) _pure_;