This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "lib/socket/socket.h"
-#include "dlinklist.h"
+#include "lib/util/dlinklist.h"
#include "lib/events/events.h"
#include "lib/stream/packet.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
/*
/*
destroy a transport
*/
-static int transport_destructor(void *ptr)
+static int transport_destructor(struct smbcli_transport *transport)
{
- struct smbcli_transport *transport = ptr;
-
- smbcli_transport_dead(transport);
+ smbcli_transport_dead(transport, NT_STATUS_LOCAL_DISCONNECT);
return 0;
}
static void smbcli_transport_error(void *private, NTSTATUS status)
{
struct smbcli_transport *transport = talloc_get_type(private, struct smbcli_transport);
- smbcli_transport_dead(transport);
+ smbcli_transport_dead(transport, status);
}
static NTSTATUS smbcli_transport_finish_recv(void *private, DATA_BLOB blob);
handles events up until we are connected */
talloc_free(transport->socket->event.fde);
transport->socket->event.fde = event_add_fd(transport->socket->event.ctx,
- transport->socket,
+ transport->socket->sock,
socket_get_fd(transport->socket->sock),
EVENT_FD_READ,
smbcli_transport_event_handler,
transport);
- packet_set_serialise(transport->packet, transport->socket->event.fde);
-
+ packet_set_fde(transport->packet, transport->socket->event.fde);
+ packet_set_serialise(transport->packet);
talloc_set_destructor(transport, transport_destructor);
return transport;
/*
mark the transport as dead
*/
-void smbcli_transport_dead(struct smbcli_transport *transport)
+void smbcli_transport_dead(struct smbcli_transport *transport, NTSTATUS status)
{
smbcli_sock_dead(transport->socket);
- /* kill all pending receives */
- while (transport->pending_recv) {
+ if (NT_STATUS_EQUAL(NT_STATUS_UNSUCCESSFUL, status)) {
+ status = NT_STATUS_UNEXPECTED_NETWORK_ERROR;
+ }
+
+ /* kill only the first pending receive - this is so that if
+ that async function frees the connection we don't die trying
+ to use old memory. The caller has to cope with only one
+ network error */
+ if (transport->pending_recv) {
struct smbcli_request *req = transport->pending_recv;
req->state = SMBCLI_REQUEST_ERROR;
- req->status = NT_STATUS_NET_WRITE_FAULT;
+ req->status = status;
DLIST_REMOVE(transport->pending_recv, req);
if (req->async.fn) {
req->async.fn(req);
memcpy(p, calling_blob.data, calling_blob.length);
p += calling_blob.length;
- _smb_setlen(req->out.buffer, PTR_DIFF(p, req->out.buffer)-4);
+ _smb_setlen(req->out.buffer, PTR_DIFF(p, req->out.buffer) - NBT_HDR_SIZE);
SCVAL(req->out.buffer,0,0x81);
if (!smbcli_request_send(req)) {
uint8_t *buffer, *hdr, *vwv;
int len;
uint16_t wct=0, mid = 0, op = 0;
- struct smbcli_request *req;
+ struct smbcli_request *req = NULL;
buffer = blob.data;
len = blob.length;
if (req->mid == mid) break;
}
+ /* see if it's a ntcancel reply for the current MID */
+ req = smbcli_handle_ntcancel_reply(req, len, hdr);
+
if (!req) {
DEBUG(1,("Discarding unmatched reply with mid %d op %d\n", mid, op));
goto error;
if (req) {
DLIST_REMOVE(transport->pending_recv, req);
req->state = SMBCLI_REQUEST_ERROR;
+ if (req->async.fn) {
+ req->async.fn(req);
+ }
} else {
talloc_free(buffer);
}
{
struct smbcli_request *req = talloc_get_type(private, struct smbcli_request);
- if (req->state == SMBCLI_REQUEST_SEND) {
- DLIST_REMOVE(req->transport->pending_send, req);
- }
if (req->state == SMBCLI_REQUEST_RECV) {
DLIST_REMOVE(req->transport->pending_recv, req);
}
/*
destroy a request
*/
-static int smbcli_request_destructor(void *ptr)
+static int smbcli_request_destructor(struct smbcli_request *req)
{
- struct smbcli_request *req = talloc_get_type(ptr, struct smbcli_request);
- if (req->state == SMBCLI_REQUEST_SEND) {
- DLIST_REMOVE(req->transport->pending_send, req);
- }
if (req->state == SMBCLI_REQUEST_RECV) {
DLIST_REMOVE(req->transport->pending_recv, req);
}
talloc_set_destructor(req, smbcli_request_destructor);
}
+
+
+/****************************************************************************
+ Send an SMBecho (async send)
+*****************************************************************************/
+struct smbcli_request *smb_raw_echo_send(struct smbcli_transport *transport,
+ struct smb_echo *p)
+{
+ struct smbcli_request *req;
+
+ req = smbcli_request_setup_transport(transport, SMBecho, 1, p->in.size);
+ if (!req) return NULL;
+
+ SSVAL(req->out.vwv, VWV(0), p->in.repeat_count);
+
+ memcpy(req->out.data, p->in.data, p->in.size);
+
+ ZERO_STRUCT(p->out);
+
+ if (!smbcli_request_send(req)) {
+ smbcli_request_destroy(req);
+ return NULL;
+ }
+
+ return req;
+}
+
+/****************************************************************************
+ raw echo interface (async recv)
+****************************************************************************/
+NTSTATUS smb_raw_echo_recv(struct smbcli_request *req, TALLOC_CTX *mem_ctx,
+ struct smb_echo *p)
+{
+ if (!smbcli_request_receive(req) ||
+ smbcli_request_is_error(req)) {
+ goto failed;
+ }
+
+ SMBCLI_CHECK_WCT(req, 1);
+ p->out.count++;
+ p->out.sequence_number = SVAL(req->in.vwv, VWV(0));
+ p->out.size = req->in.data_size;
+ talloc_free(p->out.data);
+ p->out.data = talloc_size(mem_ctx, p->out.size);
+ NT_STATUS_HAVE_NO_MEMORY(p->out.data);
+
+ if (!smbcli_raw_pull_data(req, req->in.data, p->out.size, p->out.data)) {
+ req->status = NT_STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if (p->out.count == p->in.repeat_count) {
+ return smbcli_request_destroy(req);
+ }
+
+ return NT_STATUS_OK;
+
+failed:
+ return smbcli_request_destroy(req);
+}
+
+/****************************************************************************
+ Send a echo (sync interface)
+*****************************************************************************/
+NTSTATUS smb_raw_echo(struct smbcli_transport *transport, struct smb_echo *p)
+{
+ struct smbcli_request *req = smb_raw_echo_send(transport, p);
+ return smbcli_request_simple_recv(req);
+}
git.samba.org / samba.git / blobdiff