static TDB_DATA unparse_share_modes(struct share_mode_data *d)
{
DATA_BLOB blob;
enum ndr_err_code ndr_err;
if (DEBUGLEVEL >= 10) {
DEBUG(10, ("unparse_share_modes:\n"));
NDR_PRINT_DEBUG(share_mode_data, d);
}
remove_stale_share_mode_entries(d);
if (d->num_share_modes == 0) {
DEBUG(10, ("No used share mode found\n"));
return make_tdb_data(NULL, 0);
}
ndr_err = ndr_push_struct_blob(
&blob, d, d, (ndr_push_flags_fn_t)ndr_push_share_mode_data);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
smb_panic("ndr_push_share_mode_lock failed");
}
return make_tdb_data(blob.data, blob.length);
}
static int collect_sessions_fn(struct smbXsrv_session_global0 *global,
void *connections_forall_state)
{
NTSTATUS status;
struct connections_forall_state *state =
(struct connections_forall_state*)connections_forall_state;
uint32_t id = global->session_global_id;
struct connections_forall_session sess;
if (global->auth_session_info == NULL) {
sess.uid = -1;
sess.gid = -1;
} else {
sess.uid = global->auth_session_info->unix_token->uid;
sess.gid = global->auth_session_info->unix_token->gid;
}
fstrcpy(sess.machine, global->channels[0].remote_name);
fstrcpy(sess.addr, global->channels[0].remote_address);
sess.cipher = global->channels[0].encryption_cipher;
sess.dialect = global->connection_dialect;
sess.signing_flags = global->signing_flags;
status = dbwrap_store(state->session_by_pid,
make_tdb_data((void*)&id, sizeof(id)),
make_tdb_data((void*)&sess, sizeof(sess)),
TDB_INSERT);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Failed to store record: %s\n", nt_errstr(status)));
}
return 0;
}
bool serverid_register(const struct server_id id, uint32_t msg_flags)
{
struct db_context *db;
struct serverid_key key;
struct serverid_data data;
struct db_record *rec;
TDB_DATA tdbkey, tdbdata;
NTSTATUS status;
bool ret = false;
db = serverid_db();
if (db == NULL) {
return false;
}
serverid_fill_key(&id, &key);
tdbkey = make_tdb_data((uint8_t *)&key, sizeof(key));
rec = dbwrap_fetch_locked(db, talloc_tos(), tdbkey);
if (rec == NULL) {
DEBUG(1, ("Could not fetch_lock serverid.tdb record\n"));
return false;
}
ZERO_STRUCT(data);
data.unique_id = id.unique_id;
data.msg_flags = msg_flags;
tdbdata = make_tdb_data((uint8_t *)&data, sizeof(data));
status = dbwrap_record_store(rec, tdbdata, 0);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Storing serverid.tdb record failed: %s\n",
nt_errstr(status)));
goto done;
}
if (lp_clustering() &&
ctdb_serverids_exist_supported(messaging_ctdbd_connection()))
{
register_with_ctdbd(messaging_ctdbd_connection(), id.unique_id,
NULL, NULL);
}
ret = true;
done:
TALLOC_FREE(rec);
return ret;
}
static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
files_struct *fsp,
DATA_BLOB *pblob)
{
uint8_t id_buf[16];
struct file_id id;
TDB_DATA data;
struct db_context *db = acl_db;
struct db_record *rec;
NTSTATUS status;
DEBUG(10,("store_acl_blob_fsp: storing blob length %u on file %s\n",
(unsigned int)pblob->length, fsp_str_dbg(fsp)));
status = vfs_stat_fsp(fsp);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
id = vfs_file_id_from_sbuf(handle->conn, &fsp->fsp_name->st);
/* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, &id);
rec = dbwrap_fetch_locked(db, talloc_tos(),
make_tdb_data(id_buf,
sizeof(id_buf)));
if (rec == NULL) {
DEBUG(0, ("store_acl_blob_fsp_tdb: fetch_lock failed\n"));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
data.dptr = pblob->data;
data.dsize = pblob->length;
return dbwrap_record_store(rec, data, 0);
}
void reduce_windows_lock_ref_count(files_struct *fsp, unsigned int dcount)
{
struct lock_ref_count_key tmp;
struct db_record *rec;
int lock_ref_count = 0;
NTSTATUS status;
rec = posix_pending_close_db->fetch_locked(
posix_pending_close_db, talloc_tos(),
locking_ref_count_key_fsp(fsp, &tmp));
SMB_ASSERT((rec != NULL)
&& (rec->value.dptr != NULL)
&& (rec->value.dsize == sizeof(lock_ref_count)));
memcpy(&lock_ref_count, rec->value.dptr, sizeof(lock_ref_count));
SMB_ASSERT(lock_ref_count > 0);
lock_ref_count -= dcount;
status = rec->store(rec, make_tdb_data((uint8 *)&lock_ref_count,
sizeof(lock_ref_count)), 0);
SMB_ASSERT(NT_STATUS_IS_OK(status));
TALLOC_FREE(rec);
DEBUG(10,("reduce_windows_lock_ref_count for file now %s = %d\n",
fsp_str_dbg(fsp), lock_ref_count));
}
static bool add_mapping_entry(GROUP_MAP *map, int flag)
{
char *key, *buf;
int len;
NTSTATUS status;
key = group_mapping_key(talloc_tos(), &map->sid);
if (key == NULL) {
return false;
}
len = tdb_pack(NULL, 0, "ddff",
map->gid, map->sid_name_use, map->nt_name, map->comment);
buf = talloc_array(key, char, len);
if (!buf) {
TALLOC_FREE(key);
return false;
}
len = tdb_pack((uint8 *)buf, len, "ddff", map->gid,
map->sid_name_use, map->nt_name, map->comment);
status = dbwrap_trans_store(
db, string_term_tdb_data(key),
make_tdb_data((uint8_t *)buf, len), TDB_REPLACE);
TALLOC_FREE(key);
return NT_STATUS_IS_OK(status);
}
static bool leases_db_key(TALLOC_CTX *mem_ctx,
const struct GUID *client_guid,
const struct smb2_lease_key *lease_key,
TDB_DATA *key)
{
struct leases_db_key db_key = {
.client_guid = *client_guid,
.lease_key = *lease_key };
DATA_BLOB blob;
enum ndr_err_code ndr_err;
if (DEBUGLEVEL >= 10) {
DEBUG(10, ("%s:\n", __func__));
NDR_PRINT_DEBUG(leases_db_key, &db_key);
}
ndr_err = ndr_push_struct_blob(
&blob, mem_ctx, &db_key,
(ndr_push_flags_fn_t)ndr_push_leases_db_key);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(10, ("%s: ndr_push_struct_blob_failed: %s\n",
__func__, ndr_errstr(ndr_err)));
return false;
}
*key = make_tdb_data(blob.data, blob.length);
return true;
}
static void add_fd_to_close_entry(files_struct *fsp)
{
struct db_record *rec;
uint8_t *new_data;
NTSTATUS status;
rec = posix_pending_close_db->fetch_locked(
posix_pending_close_db, talloc_tos(),
fd_array_key_fsp(fsp));
SMB_ASSERT(rec != NULL);
new_data = talloc_array(
rec, uint8_t, rec->value.dsize + sizeof(fsp->fh->fd));
SMB_ASSERT(new_data != NULL);
memcpy(new_data, rec->value.dptr, rec->value.dsize);
memcpy(new_data + rec->value.dsize,
&fsp->fh->fd, sizeof(fsp->fh->fd));
status = rec->store(
rec, make_tdb_data(new_data,
rec->value.dsize + sizeof(fsp->fh->fd)), 0);
SMB_ASSERT(NT_STATUS_IS_OK(status));
TALLOC_FREE(rec);
DEBUG(10,("add_fd_to_close_entry: added fd %d file %s\n",
fsp->fh->fd, fsp_str_dbg(fsp)));
}
bool serverid_deregister(struct server_id id)
{
struct db_context *db;
struct serverid_key key;
struct db_record *rec;
TDB_DATA tdbkey;
NTSTATUS status;
bool ret = false;
db = serverid_db();
if (db == NULL) {
return false;
}
serverid_fill_key(&id, &key);
tdbkey = make_tdb_data((uint8_t *)&key, sizeof(key));
rec = dbwrap_fetch_locked(db, talloc_tos(), tdbkey);
if (rec == NULL) {
DEBUG(1, ("Could not fetch_lock serverid.tdb record\n"));
return false;
}
status = dbwrap_record_delete(rec);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Deleting serverid.tdb record failed: %s\n",
nt_errstr(status)));
goto done;
}
ret = true;
done:
TALLOC_FREE(rec);
return ret;
}
static TDB_DATA locking_ref_count_key_fsp(files_struct *fsp,
struct lock_ref_count_key *tmp)
{
ZERO_STRUCTP(tmp);
tmp->id = fsp->file_id;
tmp->r = 'r';
return make_tdb_data((uint8_t *)tmp, sizeof(*tmp));
}
/* ------------------------ */
cnid_t cnid_tdb_add(struct _cnid_db *cdb, const struct stat *st,
cnid_t did, const char *name, size_t len, cnid_t hint)
{
const struct stat *lstp;
cnid_t id;
struct _cnid_tdb_private *priv;
TDB_DATA key, data;
int rc;
if (!cdb || !(priv = cdb->_private) || !st || !name) {
errno = CNID_ERR_PARAM;
return CNID_INVALID;
}
/* Do a lookup. */
id = cnid_tdb_lookup(cdb, st, did, name, len);
/* ... Return id if it is valid, or if Rootinfo is read-only. */
if (id || (priv->flags & CNIDFLAG_DB_RO)) {
return id;
}
#if 0
struct stat lst;
lstp = lstat(name, &lst) < 0 ? st : &lst;
#endif
lstp = st;
/* Initialize our DBT data structures. */
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
key.dptr = (char *)&hint;
key.dsize = sizeof(cnid_t);
if ((data.dptr = make_tdb_data(cdb->flags, lstp, did, name, len)) == NULL) {
LOG(log_error, logtype_default, "tdb_add: Path name is too long");
errno = CNID_ERR_PATH;
return CNID_INVALID;
}
data.dsize = CNID_HEADER_LEN + len + 1;
hint = get_cnid(priv);
if (hint == 0) {
errno = CNID_ERR_DB;
return CNID_INVALID;
}
memcpy(data.dptr, &hint, sizeof(hint));
/* Now we need to add the CNID data to the databases. */
rc = add_cnid(priv, &key, &data);
if (rc) {
LOG(log_error, logtype_default, "tdb_add: Failed to add CNID for %s to database using hint %u", name, ntohl(hint));
errno = CNID_ERR_DB;
return CNID_INVALID;
}
return hint;
}
static NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
vfs_handle_struct *handle,
files_struct *fsp,
const struct smb_filename *smb_fname,
DATA_BLOB *pblob)
{
uint8_t id_buf[16];
TDB_DATA data;
struct file_id id;
struct db_context *db = acl_db;
NTSTATUS status = NT_STATUS_OK;
SMB_STRUCT_STAT sbuf;
ZERO_STRUCT(sbuf);
if (fsp) {
status = vfs_stat_fsp(fsp);
sbuf = fsp->fsp_name->st;
} else {
int ret = vfs_stat_smb_basename(handle->conn,
smb_fname,
&sbuf);
if (ret == -1) {
status = map_nt_error_from_unix(errno);
}
}
if (!NT_STATUS_IS_OK(status)) {
return status;
}
id = vfs_file_id_from_sbuf(handle->conn, &sbuf);
/* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, &id);
status = dbwrap_fetch(db,
ctx,
make_tdb_data(id_buf, sizeof(id_buf)),
&data);
if (!NT_STATUS_IS_OK(status)) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
pblob->data = data.dptr;
pblob->length = data.dsize;
DEBUG(10,("get_acl_blob: returned %u bytes from file %s\n",
(unsigned int)data.dsize, smb_fname->base_name ));
if (pblob->length == 0 || pblob->data == NULL) {
return NT_STATUS_NOT_FOUND;
}
return NT_STATUS_OK;
}
TDB_DATA dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
TDB_DATA key)
{
TDB_DATA result;
if (db->fetch(db, mem_ctx, key, &result) != 0) {
return make_tdb_data(NULL, 0);
}
return result;
}
static TDB_DATA smbXsrv_tcon_global_id_to_key(uint32_t id,
uint8_t *key_buf)
{
TDB_DATA key;
RSIVAL(key_buf, 0, id);
key = make_tdb_data(key_buf, SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE);
return key;
}
bool serverid_register_msg_flags(const struct server_id id, bool do_reg,
uint32_t msg_flags)
{
struct db_context *db;
struct serverid_key key;
struct serverid_data *data;
struct db_record *rec;
TDB_DATA tdbkey;
TDB_DATA value;
NTSTATUS status;
bool ret = false;
db = serverid_db();
if (db == NULL) {
return false;
}
serverid_fill_key(&id, &key);
tdbkey = make_tdb_data((uint8_t *)&key, sizeof(key));
rec = dbwrap_fetch_locked(db, talloc_tos(), tdbkey);
if (rec == NULL) {
DEBUG(1, ("Could not fetch_lock serverid.tdb record\n"));
return false;
}
value = dbwrap_record_get_value(rec);
if (value.dsize != sizeof(struct serverid_data)) {
DEBUG(1, ("serverid record has unexpected size %d "
"(wanted %d)\n", (int)value.dsize,
(int)sizeof(struct serverid_data)));
goto done;
}
data = (struct serverid_data *)value.dptr;
if (do_reg) {
data->msg_flags |= msg_flags;
} else {
data->msg_flags &= ~msg_flags;
}
status = dbwrap_record_store(rec, value, 0);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Storing serverid.tdb record failed: %s\n",
nt_errstr(status)));
goto done;
}
ret = true;
done:
TALLOC_FREE(rec);
return ret;
}
static TDB_DATA smbXsrv_session_local_id_to_key(uint32_t id,
uint8_t *key_buf)
{
TDB_DATA key;
RSIVAL(key_buf, 0, id);
key = make_tdb_data(key_buf, SMBXSRV_SESSION_LOCAL_TDB_KEY_SIZE);
return key;
}
TDB_DATA dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key)
{
TDB_DATA result;
if (db->fetch(db, mem_ctx, string_term_tdb_data(key), &result) == -1) {
return make_tdb_data(NULL, 0);
}
return result;
}
static struct db_record *acl_tdb_lock(TALLOC_CTX *mem_ctx,
struct db_context *db,
const struct file_id *id)
{
uint8 id_buf[16];
push_file_id_16((char *)id_buf, id);
return db->fetch_locked(db,
mem_ctx,
make_tdb_data(id_buf,
sizeof(id_buf)));
}
static NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
vfs_handle_struct *handle,
files_struct *fsp,
const char *name,
DATA_BLOB *pblob)
{
uint8 id_buf[16];
TDB_DATA data;
struct file_id id;
struct db_context *db;
int ret = -1;
SMB_STRUCT_STAT sbuf;
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context,
return NT_STATUS_INTERNAL_DB_CORRUPTION);
if (fsp && fsp->fh->fd != -1) {
ret = SMB_VFS_FSTAT(fsp, &sbuf);
} else {
if (fsp && fsp->posix_open) {
ret = SMB_VFS_LSTAT(handle->conn, name, &sbuf);
} else {
ret = SMB_VFS_STAT(handle->conn, name, &sbuf);
}
}
if (ret == -1) {
return map_nt_error_from_unix(errno);
}
id = vfs_file_id_from_sbuf(handle->conn, &sbuf);
/* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, &id);
if (db->fetch(db,
ctx,
make_tdb_data(id_buf, sizeof(id_buf)),
&data) == -1) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
pblob->data = data.dptr;
pblob->length = data.dsize;
DEBUG(10,("get_acl_blob: returned %u bytes from file %s\n",
(unsigned int)data.dsize, name ));
if (pblob->length == 0 || pblob->data == NULL) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
return NT_STATUS_OK;
}
NTSTATUS dbwrap_trans_store_uint32(struct db_context *db, const char *keystr,
uint32_t v)
{
uint32 v_store;
SIVAL(&v_store, 0, v);
return dbwrap_trans_store(db, string_term_tdb_data(keystr),
make_tdb_data((const uint8 *)&v_store,
sizeof(v_store)),
TDB_REPLACE);
}
/* store a secrets entry
*/
bool secrets_store(const char *key, const void *data, size_t size)
{
NTSTATUS status;
if (!secrets_init()) {
return false;
}
status = dbwrap_trans_store(db_ctx, string_tdb_data(key),
make_tdb_data((const uint8 *)data, size),
TDB_REPLACE);
return NT_STATUS_IS_OK(status);
}
static struct db_record *acl_tdb_lock(TALLOC_CTX *mem_ctx,
struct db_context *db,
const struct file_id *id)
{
uint8_t id_buf[16];
/* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, id);
return dbwrap_fetch_locked(db,
mem_ctx,
make_tdb_data(id_buf,
sizeof(id_buf)));
}
static TDB_DATA unparse_share_modes(struct share_mode_data *d)
{
DATA_BLOB blob;
enum ndr_err_code ndr_err;
uint32_t i;
if (DEBUGLEVEL >= 10) {
DEBUG(10, ("unparse_share_modes:\n"));
NDR_PRINT_DEBUG(share_mode_data, d);
}
i = 0;
while (i < d->num_share_modes) {
if (d->share_modes[i].stale) {
/*
* Remove the stale entries before storing
*/
struct share_mode_entry *m = d->share_modes;
m[i] = m[d->num_share_modes-1];
d->num_share_modes -= 1;
} else {
i += 1;
}
}
if (d->num_share_modes == 0) {
DEBUG(10, ("No used share mode found\n"));
return make_tdb_data(NULL, 0);
}
ndr_err = ndr_push_struct_blob(
&blob, d, d, (ndr_push_flags_fn_t)ndr_push_share_mode_data);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
smb_panic("ndr_push_share_mode_lock failed");
}
return make_tdb_data(blob.data, blob.length);
}
TDB_DATA dbwrap_fetch_bystring_upper(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key)
{
char *key_upper;
TDB_DATA result;
key_upper = talloc_strdup_upper(talloc_tos(), key);
if (key_upper == NULL) {
return make_tdb_data(NULL, 0);
}
result = dbwrap_fetch_bystring(db, mem_ctx, key_upper);
talloc_free(key_upper);
return result;
}
static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
files_struct *fsp,
DATA_BLOB *pblob)
{
uint8 id_buf[16];
struct file_id id;
SMB_STRUCT_STAT sbuf;
TDB_DATA data;
struct db_context *db;
struct db_record *rec;
int ret = -1;
DEBUG(10,("store_acl_blob_fsp: storing blob length %u on file %s\n",
(unsigned int)pblob->length, fsp->fsp_name));
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context,
return NT_STATUS_INTERNAL_DB_CORRUPTION);
if (fsp->fh->fd != -1) {
ret = SMB_VFS_FSTAT(fsp, &sbuf);
} else {
if (fsp->posix_open) {
ret = SMB_VFS_LSTAT(handle->conn, fsp->fsp_name, &sbuf);
} else {
ret = SMB_VFS_STAT(handle->conn, fsp->fsp_name, &sbuf);
}
}
if (ret == -1) {
return map_nt_error_from_unix(errno);
}
id = vfs_file_id_from_sbuf(handle->conn, &sbuf);
/* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, &id);
rec = db->fetch_locked(db, talloc_tos(),
make_tdb_data(id_buf,
sizeof(id_buf)));
if (rec == NULL) {
DEBUG(0, ("store_acl_blob_fsp_tdb: fetch_lock failed\n"));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
data.dptr = pblob->data;
data.dsize = pblob->length;
return rec->store(rec, data, 0);
}
static int db_ctdb_ltdb_parser(TDB_DATA key, TDB_DATA data,
void *private_data)
{
struct db_ctdb_ltdb_parse_state *state =
(struct db_ctdb_ltdb_parse_state *)private_data;
if (data.dsize < sizeof(struct ctdb_ltdb_header)) {
return -1;
}
state->parser(
key, (struct ctdb_ltdb_header *)data.dptr,
make_tdb_data(data.dptr + sizeof(struct ctdb_ltdb_header),
data.dsize - sizeof(struct ctdb_ltdb_header)),
state->private_data);
return 0;
}
static NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
const char *fname,
DATA_BLOB *pblob)
{
uint8 id_buf[16];
struct file_id id;
TDB_DATA data;
SMB_STRUCT_STAT sbuf;
struct db_context *db;
struct db_record *rec;
int ret = -1;
DEBUG(10,("store_acl_blob_pathname: storing blob "
"length %u on file %s\n",
(unsigned int)pblob->length, fname));
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context,
return NT_STATUS_INTERNAL_DB_CORRUPTION);
if (lp_posix_pathnames()) {
ret = SMB_VFS_LSTAT(handle->conn, fname, &sbuf);
} else {
ret = SMB_VFS_STAT(handle->conn, fname, &sbuf);
}
if (ret == -1) {
return map_nt_error_from_unix(errno);
}
id = vfs_file_id_from_sbuf(handle->conn, &sbuf);
push_file_id_16((char *)id_buf, &id);
rec = db->fetch_locked(db, talloc_tos(),
make_tdb_data(id_buf,
sizeof(id_buf)));
if (rec == NULL) {
DEBUG(0, ("store_acl_blob_pathname_tdb: fetch_lock failed\n"));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
data.dptr = pblob->data;
data.dsize = pblob->length;
return rec->store(rec, data, 0);
}
bool serverids_exist(const struct server_id *ids, int num_ids, bool *results)
{
struct db_context *db;
int i;
#ifdef HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL
if (lp_clustering()) {
return ctdb_serverids_exist(messaging_ctdbd_connection(),
ids, num_ids, results);
}
#endif
if (!processes_exist(ids, num_ids, results)) {
return false;
}
db = serverid_db();
if (db == NULL) {
return false;
}
for (i=0; i<num_ids; i++) {
struct serverid_exists_state state;
struct serverid_key key;
TDB_DATA tdbkey;
if (ids[i].unique_id == SERVERID_UNIQUE_ID_NOT_TO_VERIFY) {
results[i] = true;
continue;
}
if (!results[i]) {
continue;
}
serverid_fill_key(&ids[i], &key);
tdbkey = make_tdb_data((uint8_t *)&key, sizeof(key));
state.id = &ids[i];
state.exists = false;
dbwrap_parse_record(db, tdbkey, server_exists_parse, &state);
results[i] = state.exists;
}
return true;
}
static NTSTATUS dbwrap_change_uint32_atomic_action(struct db_context *db,
void *private_data)
{
struct db_record *rec;
uint32_t val = (uint32_t)-1;
uint32_t v_store;
NTSTATUS ret;
struct dbwrap_change_uint32_atomic_context *state;
TDB_DATA value;
state = (struct dbwrap_change_uint32_atomic_context *)private_data;
rec = dbwrap_fetch_locked(db, talloc_tos(),
string_term_tdb_data(state->keystr));
if (!rec) {
return NT_STATUS_UNSUCCESSFUL;
}
value = dbwrap_record_get_value(rec);
if (value.dptr == NULL) {
val = *(state->oldval);
} else if (value.dsize == sizeof(val)) {
val = IVAL(value.dptr, 0);
*(state->oldval) = val;
} else {
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
val += state->change_val;
SIVAL(&v_store, 0, val);
ret = dbwrap_record_store(rec,
make_tdb_data((const uint8_t *)&v_store,
sizeof(v_store)),
TDB_REPLACE);
done:
TALLOC_FREE(rec);
return ret;
}
int dbwrap_store_uint32(struct db_context *db, const char *keystr, uint32_t v)
{
struct db_record *rec;
uint32 v_store;
NTSTATUS status;
rec = db->fetch_locked(db, NULL, string_term_tdb_data(keystr));
if (rec == NULL) {
return -1;
}
SIVAL(&v_store, 0, v);
status = rec->store(rec, make_tdb_data((const uint8 *)&v_store,
sizeof(v_store)),
TDB_REPLACE);
TALLOC_FREE(rec);
return NT_STATUS_IS_OK(status) ? 0 : -1;
}