static BOOL hash_check_notify(connection_struct *conn, uint16 vuid, char *path, uint32 flags, void *datap, time_t t)
{
struct change_data *data = (struct change_data *)datap;
struct change_data data2;
if (t && t < data->last_check_time + lp_change_notify_timeout())
return False;
if (!change_to_user(conn,vuid))
return True;
if (!set_current_service(conn,True)) {
change_to_root_user();
return True;
}
if (!notify_hash(conn, path, flags, &data2, data) ||
data2.modify_time != data->modify_time ||
data2.status_time != data->status_time ||
data2.total_time != data->total_time ||
data2.num_entries != data->num_entries ||
data2.mode_sum != data->mode_sum ||
memcmp(data2.name_hash, data->name_hash, sizeof(data2.name_hash))) {
change_to_root_user();
return True;
}
if (t)
data->last_check_time = t;
change_to_root_user();
return False;
}
void conn_close_all(void)
{
connection_struct *conn, *next;
for (conn=Connections;conn;conn=next) {
next=conn->next;
set_current_service(conn, 0, True);
close_cnum(conn, conn->vuid);
}
}
bool reload_services(struct smbd_server_connection *sconn,
bool (*snumused) (struct smbd_server_connection *, int),
bool test)
{
struct smbXsrv_connection *xconn = NULL;
bool ret;
if (sconn != NULL) {
xconn = sconn->conn;
}
if (lp_loaded()) {
char *fname = lp_next_configfile(talloc_tos());
if (file_exist(fname) &&
!strcsequal(fname, get_dyn_CONFIGFILE())) {
set_dyn_CONFIGFILE(fname);
test = False;
}
TALLOC_FREE(fname);
}
reopen_logs();
if (test && !lp_file_list_changed())
return(True);
lp_killunused(sconn, snumused);
ret = lp_load(get_dyn_CONFIGFILE(),
false, /* global only */
false, /* save defaults */
true, /* add_ipc */
true); /* initialize globals */
/* perhaps the config filename is now set */
if (!test) {
reload_services(sconn, snumused, true);
}
reopen_logs();
load_interfaces();
if (xconn != NULL) {
set_socket_options(xconn->transport.sock, "SO_KEEPALIVE");
set_socket_options(xconn->transport.sock, lp_socket_options());
}
mangle_reset_cache();
reset_stat_cache();
/* this forces service parameters to be flushed */
set_current_service(NULL,0,True);
return(ret);
}
BOOL reload_services(BOOL test)
{
BOOL ret;
if (lp_loaded()) {
pstring fname;
pstrcpy(fname,lp_configfile());
if (file_exist(fname, NULL) &&
!strcsequal(fname, dyn_CONFIGFILE)) {
pstrcpy(dyn_CONFIGFILE, fname);
test = False;
}
}
reopen_logs();
if (test && !lp_file_list_changed())
return(True);
lp_killunused(conn_snum_used);
ret = lp_load(dyn_CONFIGFILE, False, False, True);
load_printers();
/* perhaps the config filename is now set */
if (!test)
reload_services(True);
reopen_logs();
load_interfaces();
{
if (smbd_server_fd() != -1) {
set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
set_socket_options(smbd_server_fd(), user_socket_options);
}
}
mangle_reset_cache();
reset_stat_cache();
/* this forces service parameters to be flushed */
set_current_service(NULL,True);
return (ret);
}
bool reload_services(struct messaging_context *msg_ctx, int smb_sock,
bool test)
{
bool ret;
if (lp_loaded()) {
char *fname = lp_configfile();
if (file_exist(fname) &&
!strcsequal(fname, get_dyn_CONFIGFILE())) {
set_dyn_CONFIGFILE(fname);
test = False;
}
TALLOC_FREE(fname);
}
reopen_logs();
if (test && !lp_file_list_changed())
return(True);
lp_killunused(conn_snum_used);
ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
/* perhaps the config filename is now set */
if (!test)
reload_services(msg_ctx, smb_sock, True);
reopen_logs();
load_interfaces();
if (smb_sock != -1) {
set_socket_options(smb_sock,"SO_KEEPALIVE");
set_socket_options(smb_sock, lp_socket_options());
}
mangle_reset_cache();
reset_stat_cache();
/* this forces service parameters to be flushed */
set_current_service(NULL,0,True);
return(ret);
}
NTSTATUS smbd_smb2_request_check_tcon(struct smbd_smb2_request *req)
{
const uint8_t *inhdr;
int i = req->current_idx;
uint32_t in_flags;
uint32_t in_tid;
void *p;
struct smbd_smb2_tcon *tcon;
req->tcon = NULL;
inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
in_flags = IVAL(inhdr, SMB2_HDR_FLAGS);
in_tid = IVAL(inhdr, SMB2_HDR_TID);
if (in_flags & SMB2_HDR_FLAG_CHAINED) {
in_tid = req->last_tid;
}
req->last_tid = UINT32_MAX;
/* lookup an existing session */
p = idr_find(req->session->tcons.idtree, in_tid);
if (p == NULL) {
return NT_STATUS_NETWORK_NAME_DELETED;
}
tcon = talloc_get_type_abort(p, struct smbd_smb2_tcon);
if (!change_to_user(tcon->compat_conn,req->session->vuid)) {
return NT_STATUS_ACCESS_DENIED;
}
/* should we pass FLAG_CASELESS_PATHNAMES here? */
if (!set_current_service(tcon->compat_conn, 0, true)) {
return NT_STATUS_ACCESS_DENIED;
}
req->tcon = tcon;
req->last_tid = in_tid;
return NT_STATUS_OK;
}
static int smbd_smb2_tcon_destructor(struct smbd_smb2_tcon *tcon)
{
if (tcon->session == NULL) {
return 0;
}
idr_remove(tcon->session->tcons.idtree, tcon->tid);
DLIST_REMOVE(tcon->session->tcons.list, tcon);
SMB_ASSERT(tcon->session->sconn->num_tcons_open > 0);
tcon->session->sconn->num_tcons_open--;
if (tcon->compat_conn) {
set_current_service(tcon->compat_conn, 0, true);
close_cnum(tcon->compat_conn, tcon->session->vuid);
}
tcon->compat_conn = NULL;
tcon->tid = 0;
tcon->session = NULL;
return 0;
}
NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid)
{
struct smbXsrv_tcon_table *table;
struct db_record *local_rec = NULL;
struct db_record *global_rec = NULL;
NTSTATUS status;
NTSTATUS error = NT_STATUS_OK;
if (tcon->table == NULL) {
return NT_STATUS_OK;
}
table = tcon->table;
tcon->table = NULL;
tcon->status = NT_STATUS_NETWORK_NAME_DELETED;
global_rec = tcon->global->db_rec;
tcon->global->db_rec = NULL;
if (global_rec == NULL) {
uint8_t key_buf[SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE];
TDB_DATA key;
key = smbXsrv_tcon_global_id_to_key(
tcon->global->tcon_global_id,
key_buf);
global_rec = dbwrap_fetch_locked(table->global.db_ctx,
tcon->global, key);
if (global_rec == NULL) {
DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
"Failed to lock global key '%s'\n",
tcon->global->tcon_global_id,
tcon->global->share_name,
hex_encode_talloc(global_rec, key.dptr,
key.dsize)));
error = NT_STATUS_INTERNAL_ERROR;
}
}
if (global_rec != NULL) {
status = dbwrap_record_delete(global_rec);
if (!NT_STATUS_IS_OK(status)) {
TDB_DATA key = dbwrap_record_get_key(global_rec);
DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
"failed to delete global key '%s': %s\n",
tcon->global->tcon_global_id,
tcon->global->share_name,
hex_encode_talloc(global_rec, key.dptr,
key.dsize),
nt_errstr(status)));
error = status;
}
}
TALLOC_FREE(global_rec);
local_rec = tcon->db_rec;
if (local_rec == NULL) {
uint8_t key_buf[SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE];
TDB_DATA key;
key = smbXsrv_tcon_local_id_to_key(tcon->local_id, key_buf);
local_rec = dbwrap_fetch_locked(table->local.db_ctx,
tcon, key);
if (local_rec == NULL) {
DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
"Failed to lock local key '%s'\n",
tcon->global->tcon_global_id,
tcon->global->share_name,
hex_encode_talloc(local_rec, key.dptr,
key.dsize)));
error = NT_STATUS_INTERNAL_ERROR;
}
}
if (local_rec != NULL) {
status = dbwrap_record_delete(local_rec);
if (!NT_STATUS_IS_OK(status)) {
TDB_DATA key = dbwrap_record_get_key(local_rec);
DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
"failed to delete local key '%s': %s\n",
tcon->global->tcon_global_id,
tcon->global->share_name,
hex_encode_talloc(local_rec, key.dptr,
key.dsize),
nt_errstr(status)));
error = status;
}
table->local.num_tcons -= 1;
}
if (tcon->db_rec == NULL) {
TALLOC_FREE(local_rec);
}
tcon->db_rec = NULL;
if (tcon->compat) {
bool ok;
ok = set_current_service(tcon->compat, 0, true);
if (!ok) {
status = NT_STATUS_INTERNAL_ERROR;
DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
"set_current_service() failed: %s\n",
tcon->global->tcon_global_id,
tcon->global->share_name,
nt_errstr(status)));
tcon->compat = NULL;
return status;
}
close_cnum(tcon->compat, vuid);
tcon->compat = NULL;
}
return error;
}
void process_blocking_lock_queue(struct smbd_server_connection *sconn)
{
struct timeval tv_curr = timeval_current();
struct blocking_lock_record *blr, *next = NULL;
if (sconn->using_smb2) {
process_blocking_lock_queue_smb2(sconn, tv_curr);
return;
}
/*
* Go through the queue and see if we can get any of the locks.
*/
for (blr = sconn->smb1.locks.blocking_lock_queue; blr; blr = next) {
next = blr->next;
/*
* Go through the remaining locks and try and obtain them.
* The call returns True if all locks were obtained successfully
* and False if we still need to wait.
*/
DEBUG(10, ("Processing BLR = %p\n", blr));
/* We use set_current_service so connections with
* pending locks are not marked as idle.
*/
set_current_service(blr->fsp->conn,
SVAL(blr->req->inbuf,smb_flg),
false);
if(blocking_lock_record_process(blr)) {
struct byte_range_lock *br_lck = brl_get_locks(
talloc_tos(), blr->fsp);
DEBUG(10, ("BLR_process returned true: cancelling and "
"removing lock. BLR = %p\n", blr));
if (br_lck) {
brl_lock_cancel(br_lck,
blr->smblctx,
messaging_server_id(sconn->msg_ctx),
blr->offset,
blr->count,
blr->lock_flav,
blr);
TALLOC_FREE(br_lck);
}
DLIST_REMOVE(sconn->smb1.locks.blocking_lock_queue, blr);
TALLOC_FREE(blr);
continue;
}
/*
* We couldn't get the locks for this record on the list.
* If the time has expired, return a lock error.
*/
if (!timeval_is_zero(&blr->expire_time) && timeval_compare(&blr->expire_time, &tv_curr) <= 0) {
struct byte_range_lock *br_lck = brl_get_locks(
talloc_tos(), blr->fsp);
DEBUG(10, ("Lock timed out! BLR = %p\n", blr));
/*
* Lock expired - throw away all previously
* obtained locks and return lock error.
*/
if (br_lck) {
DEBUG(5,("process_blocking_lock_queue: "
"pending lock for %s, file %s "
"timed out.\n", fsp_fnum_dbg(blr->fsp),
fsp_str_dbg(blr->fsp)));
brl_lock_cancel(br_lck,
blr->smblctx,
messaging_server_id(sconn->msg_ctx),
blr->offset,
blr->count,
blr->lock_flav,
blr);
TALLOC_FREE(br_lck);
}
blocking_lock_reply_error(blr,NT_STATUS_FILE_LOCK_CONFLICT);
DLIST_REMOVE(sconn->smb1.locks.blocking_lock_queue, blr);
TALLOC_FREE(blr);
}
}
recalc_brl_timeout(sconn);
}
