*/
#include "includes.h"
+#include "smbd/smbd.h"
#include "smbd/globals.h"
-#include "../source4/libcli/smb2/smb2_constants.h"
+#include "../libcli/smb/smb_common.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "rpc_server/srv_pipe_hnd.h"
+#include "include/ntioctl.h"
+#include "../librpc/ndr/libndr.h"
static struct tevent_req *smbd_smb2_ioctl_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
uint32_t in_flags);
static NTSTATUS smbd_smb2_ioctl_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
- DATA_BLOB *out_output);
+ DATA_BLOB *out_output,
+ bool *disconnect);
static void smbd_smb2_request_ioctl_done(struct tevent_req *subreq);
NTSTATUS smbd_smb2_request_process_ioctl(struct smbd_smb2_request *req)
{
- const uint8_t *inhdr;
+ NTSTATUS status;
const uint8_t *inbody;
int i = req->current_idx;
- size_t expected_body_size = 0x39;
- size_t body_size;
uint32_t in_ctl_code;
uint64_t in_file_id_persistent;
uint64_t in_file_id_volatile;
uint32_t in_flags;
struct tevent_req *subreq;
- inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
- if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
- return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
+ status = smbd_smb2_request_verify_sizes(req, 0x39);
+ if (!NT_STATUS_IS_OK(status)) {
+ return smbd_smb2_request_error(req, status);
}
-
inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
- body_size = SVAL(inbody, 0x00);
- if (body_size != expected_body_size) {
- return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
- }
-
in_ctl_code = IVAL(inbody, 0x04);
in_file_id_persistent = BVAL(inbody, 0x08);
in_file_id_volatile = BVAL(inbody, 0x10);
in_max_output_length = IVAL(inbody, 0x2C);
in_flags = IVAL(inbody, 0x30);
- if (in_input_offset != (SMB2_HDR_BODY + (body_size & 0xFFFFFFFE))) {
+ /*
+ * InputOffset (4 bytes): The offset, in bytes, from the beginning of
+ * the SMB2 header to the input data buffer. If no input data is
+ * required for the FSCTL/IOCTL command being issued, the client SHOULD
+ * set this value to 0.<49>
+ * <49> If no input data is required for the FSCTL/IOCTL command being
+ * issued, Windows-based clients set this field to any value.
+ */
+ if ((in_input_length > 0)
+ && (in_input_offset != (SMB2_HDR_BODY + req->in.vector[i+1].iov_len))) {
return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
}
in_input_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base;
in_input_buffer.length = in_input_length;
- if (in_file_id_persistent == UINT64_MAX &&
- in_file_id_volatile == UINT64_MAX) {
+ if (req->compat_chain_fsp) {
+ /* skip check */
+ } else if (in_file_id_persistent == UINT64_MAX &&
+ in_file_id_volatile == UINT64_MAX) {
/* without a handle */
- } else if (in_file_id_persistent != 0) {
+ } else if (in_file_id_persistent != in_file_id_volatile) {
return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
}
subreq = smbd_smb2_ioctl_send(req,
- req->conn->smb2.event_ctx,
+ req->sconn->ev_ctx,
req,
in_ctl_code,
in_file_id_volatile,
return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
}
tevent_req_set_callback(subreq, smbd_smb2_request_ioctl_done, req);
- return NT_STATUS_OK;
+
+ return smbd_smb2_request_pending_queue(req, subreq, 1000);
}
static void smbd_smb2_request_ioctl_done(struct tevent_req *subreq)
{
struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
struct smbd_smb2_request);
+ const uint8_t *inbody;
int i = req->current_idx;
- uint8_t *outhdr;
DATA_BLOB outbody;
DATA_BLOB outdyn;
+ uint32_t in_ctl_code;
+ uint64_t in_file_id_persistent;
+ uint64_t in_file_id_volatile;
+ uint32_t out_input_offset;
uint32_t out_output_offset;
- DATA_BLOB out_output_buffer;
+ DATA_BLOB out_output_buffer = data_blob_null;
NTSTATUS status;
NTSTATUS error; /* transport error */
+ bool disconnect = false;
+
+ status = smbd_smb2_ioctl_recv(subreq, req,
+ &out_output_buffer,
+ &disconnect);
+
+ DEBUG(10,("smbd_smb2_request_ioctl_done: smbd_smb2_ioctl_recv returned "
+ "%u status %s\n",
+ (unsigned int)out_output_buffer.length,
+ nt_errstr(status) ));
- status = smbd_smb2_ioctl_recv(subreq, req, &out_output_buffer);
TALLOC_FREE(subreq);
+ if (disconnect) {
+ error = status;
+ smbd_server_connection_terminate(req->sconn,
+ nt_errstr(error));
+ return;
+ }
+
if (NT_STATUS_EQUAL(status, STATUS_BUFFER_OVERFLOW)) {
/* also ok */
} else if (!NT_STATUS_IS_OK(status)) {
error = smbd_smb2_request_error(req, status);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(req->conn,
+ smbd_server_connection_terminate(req->sconn,
nt_errstr(error));
return;
}
return;
}
+ out_input_offset = SMB2_HDR_BODY + 0x30;
out_output_offset = SMB2_HDR_BODY + 0x30;
- outhdr = (uint8_t *)req->out.vector[i].iov_base;
+ inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
+
+ in_ctl_code = IVAL(inbody, 0x04);
+ in_file_id_persistent = BVAL(inbody, 0x08);
+ in_file_id_volatile = BVAL(inbody, 0x10);
outbody = data_blob_talloc(req->out.vector, NULL, 0x30);
if (outbody.data == NULL) {
error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(req->conn,
+ smbd_server_connection_terminate(req->sconn,
nt_errstr(error));
return;
}
SSVAL(outbody.data, 0x00, 0x30 + 1); /* struct size */
SSVAL(outbody.data, 0x02, 0); /* reserved */
- SIVAL(outbody.data, 0x04, 0); /* ctl code */
- SBVAL(outbody.data, 0x08, 0); /* file id (persistent) */
- SBVAL(outbody.data, 0x10, 0); /* file id (volatile) */
- SIVAL(outbody.data, 0x18, 0); /* input offset */
+ SIVAL(outbody.data, 0x04,
+ in_ctl_code); /* ctl code */
+ SBVAL(outbody.data, 0x08,
+ in_file_id_persistent); /* file id (persistent) */
+ SBVAL(outbody.data, 0x10,
+ in_file_id_volatile); /* file id (volatile) */
+ SIVAL(outbody.data, 0x18,
+ out_input_offset); /* input offset */
SIVAL(outbody.data, 0x1C, 0); /* input count */
SIVAL(outbody.data, 0x20,
out_output_offset); /* output offset */
SIVAL(outbody.data, 0x2C, 0); /* reserved */
/*
- * Note: Windows sends back also the input from the request.
- * I think this is stupid and I hope not required.
- * For now we avoid a talloc + memcopy here...
+ * Note: Windows Vista and 2008 send back also the
+ * input from the request. But it was fixed in
+ * Windows 7.
*/
outdyn = out_output_buffer;
error = smbd_smb2_request_done_ex(req, status, outbody, &outdyn,
__location__);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(req->conn,
+ smbd_server_connection_terminate(req->sconn,
nt_errstr(error));
return;
}
DATA_BLOB in_input;
uint32_t in_max_output;
DATA_BLOB out_output;
+ bool disconnect;
};
static void smbd_smb2_ioctl_pipe_write_done(struct tevent_req *subreq);
state->in_max_output = in_max_output;
state->out_output = data_blob_null;
- DEBUG(10,("smbd_smb2_ioctl: file_id[0x%016llX]\n",
- (unsigned long long)in_file_id_volatile));
+ DEBUG(10, ("smbd_smb2_ioctl: ctl_code[0x%08x] file_id[0x%016llX]\n",
+ (unsigned)in_ctl_code,
+ (unsigned long long)in_file_id_volatile));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
in_file_name_buffer.data,
in_file_name_buffer.length,
&in_file_name_string,
- &in_file_name_string_size, false);
+ &in_file_name_string_size);
if (!ok) {
tevent_req_nterror(req, NT_STATUS_ILLEGAL_CHARACTER);
return tevent_req_post(req, ev);
}
if (overflow) {
- tevent_req_nterror(STATUS_BUFFER_OVERFLOW);
+ tevent_req_nterror(req, STATUS_BUFFER_OVERFLOW);
} else {
tevent_req_done(req);
}
case 0x0011C017: /* FSCTL_PIPE_TRANSCEIVE */
if (!IS_IPC(smbreq->conn)) {
- tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
+ tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
return tevent_req_post(req, ev);
}
return tevent_req_post(req, ev);
}
+ DEBUG(10,("smbd_smb2_ioctl_send: np_write_send of size %u\n",
+ (unsigned int)in_input.length ));
+
subreq = np_write_send(state, ev,
fsp->fake_file_handle,
in_input.data,
req);
return req;
- default:
- if (IS_IPC(smbreq->conn)) {
- tevent_req_nterror(req, NT_STATUS_FS_DRIVER_REQUIRED);
+ case FSCTL_VALIDATE_NEGOTIATE_INFO_224:
+ {
+ struct smbXsrv_connection *conn = smbreq->sconn->conn;
+ uint32_t in_capabilities;
+ DATA_BLOB in_guid_blob;
+ struct GUID in_guid;
+ uint16_t in_security_mode;
+ uint16_t in_max_dialect;
+ uint16_t max_dialect;
+ DATA_BLOB out_guid_blob;
+ NTSTATUS status;
+
+ if (in_input.length != 0x18) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_max_output < 0x18) {
+ tevent_req_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
+ return tevent_req_post(req, ev);
+ }
+
+ in_capabilities = IVAL(in_input.data, 0x00);
+ in_guid_blob = data_blob_const(in_input.data + 0x04, 16);
+ in_security_mode = SVAL(in_input.data, 0x14);
+ in_max_dialect = SVAL(in_input.data, 0x16);
+
+ status = GUID_from_ndr_blob(&in_guid_blob, &in_guid);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+
+ max_dialect = conn->smb2.client.dialects[conn->smb2.client.num_dialects-1];
+ if (in_max_dialect != max_dialect) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ if (!GUID_compare(&in_guid, &conn->smb2.client.guid)) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_security_mode != conn->smb2.client.security_mode) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_capabilities != conn->smb2.client.capabilities) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ status = GUID_to_ndr_blob(&conn->smb2.server.guid, state,
+ &out_guid_blob);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+
+ state->out_output = data_blob_talloc(state, NULL, 0x18);
+ if (tevent_req_nomem(state->out_output.data, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ SIVAL(state->out_output.data, 0x00, conn->smb2.server.capabilities);
+ memcpy(state->out_output.data+0x04, out_guid_blob.data, 16);
+ SIVAL(state->out_output.data, 0x14, conn->smb2.server.security_mode);
+ SIVAL(state->out_output.data, 0x16, conn->smb2.server.dialect);
+
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+ }
+
+ case FSCTL_VALIDATE_NEGOTIATE_INFO:
+ {
+ struct smbXsrv_connection *conn = smbreq->sconn->conn;
+ uint32_t in_capabilities;
+ DATA_BLOB in_guid_blob;
+ struct GUID in_guid;
+ uint16_t in_security_mode;
+ uint16_t in_num_dialects;
+ uint16_t i;
+ DATA_BLOB out_guid_blob;
+ NTSTATUS status;
+
+ if (in_input.length < 0x18) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ in_capabilities = IVAL(in_input.data, 0x00);
+ in_guid_blob = data_blob_const(in_input.data + 0x04, 16);
+ in_security_mode = SVAL(in_input.data, 0x14);
+ in_num_dialects = SVAL(in_input.data, 0x16);
+
+ if (in_input.length != (0x18 + in_num_dialects*2)) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_max_output < 0x18) {
+ tevent_req_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
+ return tevent_req_post(req, ev);
+ }
+
+ status = GUID_from_ndr_blob(&in_guid_blob, &in_guid);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_num_dialects != conn->smb2.client.num_dialects) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ for (i=0; i < in_num_dialects; i++) {
+ uint16_t v = SVAL(in_input.data, 0x18 + i*2);
+
+ if (conn->smb2.client.dialects[i] != v) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ if (!GUID_compare(&in_guid, &conn->smb2.client.guid)) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_security_mode != conn->smb2.client.security_mode) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ if (in_capabilities != conn->smb2.client.capabilities) {
+ state->disconnect = true;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
+ }
+
+ status = GUID_to_ndr_blob(&conn->smb2.server.guid, state,
+ &out_guid_blob);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+
+ state->out_output = data_blob_talloc(state, NULL, 0x18);
+ if (tevent_req_nomem(state->out_output.data, req)) {
return tevent_req_post(req, ev);
}
- tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
+
+ SIVAL(state->out_output.data, 0x00, conn->smb2.server.capabilities);
+ memcpy(state->out_output.data+0x04, out_guid_blob.data, 16);
+ SIVAL(state->out_output.data, 0x14, conn->smb2.server.security_mode);
+ SIVAL(state->out_output.data, 0x16, conn->smb2.server.dialect);
+
+ tevent_req_done(req);
return tevent_req_post(req, ev);
}
+ default: {
+ uint8_t *out_data = NULL;
+ uint32_t out_data_len = 0;
+ NTSTATUS status;
+
+ if (fsp == NULL) {
+ tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
+ return tevent_req_post(req, ev);
+ }
+
+ status = SMB_VFS_FSCTL(fsp,
+ state,
+ in_ctl_code,
+ smbreq->flags2,
+ in_input.data,
+ in_input.length,
+ &out_data,
+ in_max_output,
+ &out_data_len);
+ state->out_output = data_blob_const(out_data, out_data_len);
+ if (NT_STATUS_IS_OK(status)) {
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+ }
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
+ if (IS_IPC(smbreq->conn)) {
+ status = NT_STATUS_FS_DRIVER_REQUIRED;
+ } else {
+ status = NT_STATUS_INVALID_DEVICE_REQUEST;
+ }
+ }
+
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
+
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return tevent_req_post(req, ev);
}
ssize_t nwritten = -1;
status = np_write_recv(subreq, &nwritten);
+
+ DEBUG(10,("smbd_smb2_ioctl_pipe_write_done: received %ld\n",
+ (long int)nwritten ));
+
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
+ DEBUG(10,("smbd_smb2_ioctl_pipe_write_done: issuing np_read_send "
+ "of size %u\n",
+ (unsigned int)state->out_output.length ));
+
+ TALLOC_FREE(subreq);
subreq = np_read_send(state->smbreq->conn,
- state->smb2req->conn->smb2.event_ctx,
+ state->smb2req->sconn->ev_ctx,
state->fsp->fake_file_handle,
state->out_output.data,
state->out_output.length);
struct smbd_smb2_ioctl_state *state = tevent_req_data(req,
struct smbd_smb2_ioctl_state);
NTSTATUS status;
- ssize_t nread;
- bool is_data_outstanding;
+ ssize_t nread = -1;
+ bool is_data_outstanding = false;
status = np_read_recv(subreq, &nread, &is_data_outstanding);
+
+ DEBUG(10,("smbd_smb2_ioctl_pipe_read_done: np_read_recv nread = %d "
+ "is_data_outstanding = %d, status = %s\n",
+ (int)nread,
+ (int)is_data_outstanding,
+ nt_errstr(status) ));
+
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
state->out_output.length = nread;
+ if (is_data_outstanding) {
+ tevent_req_nterror(req, STATUS_BUFFER_OVERFLOW);
+ return;
+ }
+
tevent_req_done(req);
}
static NTSTATUS smbd_smb2_ioctl_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
- DATA_BLOB *out_output)
+ DATA_BLOB *out_output,
+ bool *disconnect)
{
- NTSTATUS status;
+ NTSTATUS status = NT_STATUS_OK;
struct smbd_smb2_ioctl_state *state = tevent_req_data(req,
struct smbd_smb2_ioctl_state);
+ *disconnect = state->disconnect;
+
if (tevent_req_is_nterror(req, &status)) {
if (!NT_STATUS_EQUAL(status, STATUS_BUFFER_OVERFLOW)) {
tevent_req_received(req);
git.samba.org / samba.git / blobdiff