/*
* Check a server for being alive and well.
* returns 0 if the server is in shape. Returns 1 on error
*
* Also useable outside libsmbclient to enable external cache
* to do some checks too.
*/
int
SMBC_check_server(SMBCCTX * context,
SMBCSRV * server)
{
time_t now;
if (!cli_state_is_connected(server->cli)) {
return 1;
}
now = time_mono(NULL);
if (server->last_echo_time == (time_t)0 ||
now > server->last_echo_time +
(server->cli->timeout/1000)) {
unsigned char data[16] = {0};
NTSTATUS status = cli_echo(server->cli,
1,
data_blob_const(data, sizeof(data)));
if (!NT_STATUS_IS_OK(status)) {
return 1;
}
server->last_echo_time = now;
}
return 0;
}
const char *cli_errstr(struct cli_state *cli)
{
fstring cli_error_message;
char *result;
if (!cli->initialised) {
fstrcpy(cli_error_message, "[Programmer's error] cli_errstr called on unitialized cli_stat struct!\n");
goto done;
}
/* Case #1: RAP error */
if (cli->rap_error) {
strlcpy(cli_error_message, win_errstr(W_ERROR(cli->rap_error)),
sizeof(cli_error_message));
goto done;
}
if (!cli_state_is_connected(cli) && NT_STATUS_IS_OK(cli->raw_status)) {
return nt_errstr(NT_STATUS_CONNECTION_DISCONNECTED);
}
return nt_errstr(cli->raw_status);
done:
result = talloc_strdup(talloc_tos(), cli_error_message);
SMB_ASSERT(result);
return result;
}
static int tstream_cli_np_destructor(struct tstream_cli_np *cli_nps)
{
NTSTATUS status;
if (!cli_state_is_connected(cli_nps->cli)) {
return 0;
}
/*
* TODO: do not use a sync call with a destructor!!!
*
* This only happens, if a caller does talloc_free(),
* while the everything was still ok.
*
* If we get an unexpected failure within a normal
* operation, we already do an async cli_close_send()/_recv().
*
* Once we've fixed all callers to call
* tstream_disconnect_send()/_recv(), this will
* never be called.
*/
status = cli_close(cli_nps->cli, cli_nps->fnum);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("tstream_cli_np_destructor: cli_close "
"failed on pipe %s. Error was %s\n",
cli_nps->npipe, nt_errstr(status)));
}
/*
* We can't do much on failure
*/
return 0;
}
bool cli_is_dos_error(struct cli_state *cli)
{
/* A socket error is always a DOS error. */
if (!cli_state_is_connected(cli)) {
return true;
}
return cli_is_error(cli) && NT_STATUS_IS_DOS(cli->raw_status);
}
/*
* Check a server for being alive and well.
* returns 0 if the server is in shape. Returns 1 on error
*
* Also useable outside libsmbclient to enable external cache
* to do some checks too.
*/
int
SMBC_check_server(SMBCCTX * context,
SMBCSRV * server)
{
if (!cli_state_is_connected(server->cli)) {
return 1;
}
return 0;
}
NTSTATUS cli_nt_error(struct cli_state *cli)
{
/* Deal with socket errors first. */
if (!cli_state_is_connected(cli)) {
return NT_STATUS_CONNECTION_DISCONNECTED;
}
if (NT_STATUS_IS_DOS(cli->raw_status)) {
int e_class = NT_STATUS_DOS_CLASS(cli->raw_status);
int code = NT_STATUS_DOS_CODE(cli->raw_status);
return dos_to_ntstatus(e_class, code);
}
return cli->raw_status;
}
bool cli_is_error(struct cli_state *cli)
{
/* A socket error is always an error. */
if (!cli_state_is_connected(cli)) {
return true;
}
if (NT_STATUS_IS_DOS(cli->raw_status)) {
/* Return error if error class in non-zero */
uint8_t rcls = NT_STATUS_DOS_CLASS(cli->raw_status);
return rcls != 0;
}
return NT_STATUS_IS_ERR(cli->raw_status);
}
void cli_dos_error(struct cli_state *cli, uint8 *eclass, uint32 *ecode)
{
if (!cli_state_is_connected(cli)) {
*eclass = ERRDOS;
*ecode = ERRnotconnected;
return;
}
if (!NT_STATUS_IS_DOS(cli->raw_status)) {
ntstatus_to_dos(cli->raw_status, eclass, ecode);
return;
}
*eclass = NT_STATUS_DOS_CLASS(cli->raw_status);
*ecode = NT_STATUS_DOS_CODE(cli->raw_status);
}
