return False;
}
- /* Note we're in a trans state. Save the sequence
- * numbers for replies. */
- client_set_trans_sign_state_on(cli, mid);
+ cli_state_seqnum_persistent(cli, mid);
if (this_ldata < ldata || this_lparam < lparam) {
/* receive interim response */
if (!cli_receive_smb(cli) || cli_is_error(cli)) {
- client_set_trans_sign_state_off(cli, mid);
+ cli_state_seqnum_remove(cli, mid);
return(False);
}
this_lparam = MIN(lparam-tot_param,cli->max_xmit - 500); /* hack */
this_ldata = MIN(ldata-tot_data,cli->max_xmit - (500+this_lparam));
- client_set_trans_sign_state_off(cli, mid);
- client_set_trans_sign_state_on(cli, mid);
-
cli_set_message(cli->outbuf,trans==SMBtrans?8:9,0,True);
SCVAL(cli->outbuf,smb_com,(trans==SMBtrans ? SMBtranss : SMBtranss2));
memcpy(outdata,data+tot_data,this_ldata);
cli_setup_bcc(cli, outdata+this_ldata);
- /*
- * Save the mid we're using. We need this for finding
- * signing replies.
- */
- mid = cli->mid;
-
show_msg(cli->outbuf);
+
+ cli->mid = mid;
if (!cli_send_smb(cli)) {
- client_set_trans_sign_state_off(cli, mid);
+ cli_state_seqnum_remove(cli, mid);
return False;
}
- /* Ensure we use the same mid for the secondaries. */
- cli->mid = mid;
-
tot_data += this_ldata;
tot_param += this_lparam;
}
unsigned int this_data,this_param;
NTSTATUS status;
bool ret = False;
+ uint16_t mid;
*data_len = *param_len = 0;
+ mid = SVAL(cli->outbuf,smb_mid);
+
if (!cli_receive_smb(cli)) {
+ cli_state_seqnum_remove(cli, mid);
return False;
}
DEBUG(0,("Expected %s response, got command 0x%02x\n",
trans==SMBtrans?"SMBtrans":"SMBtrans2",
CVAL(cli->inbuf,smb_com)));
+ cli_state_seqnum_remove(cli, mid);
return False;
}
out:
+ cli_state_seqnum_remove(cli, mid);
+
if (ret) {
/* Ensure the last 2 bytes of param and data are 2 null
* bytes. These are malloc'ed, but not included in any
}
}
- client_set_trans_sign_state_off(cli, SVAL(cli->inbuf,smb_mid));
return ret;
}
return False;
}
- /* Note we're in a trans state. Save the sequence
- * numbers for replies. */
- client_set_trans_sign_state_on(cli, mid);
+ cli_state_seqnum_persistent(cli, mid);
if (this_ldata < ldata || this_lparam < lparam) {
/* receive interim response */
if (!cli_receive_smb(cli) || cli_is_error(cli)) {
- client_set_trans_sign_state_off(cli, mid);
+ cli_state_seqnum_remove(cli, mid);
return(False);
}
memcpy(outdata,data+tot_data,this_ldata);
cli_setup_bcc(cli, outdata+this_ldata);
- /*
- * Save the mid we're using. We need this for finding
- * signing replies.
- */
- mid = cli->mid;
-
show_msg(cli->outbuf);
+ cli->mid = mid;
if (!cli_send_smb(cli)) {
- client_set_trans_sign_state_off(cli, mid);
+ cli_state_seqnum_remove(cli, mid);
return False;
}
- /* Ensure we use the same mid for the secondaries. */
- cli->mid = mid;
-
tot_data += this_ldata;
tot_param += this_lparam;
}
uint8 eclass;
uint32 ecode;
bool ret = False;
+ uint16_t mid;
*data_len = *param_len = 0;
+ mid = SVAL(cli->outbuf,smb_mid);
+
if (!cli_receive_smb(cli)) {
+ cli_state_seqnum_remove(cli, mid);
return False;
}
if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
CVAL(cli->inbuf,smb_com)));
+ cli_state_seqnum_remove(cli, mid);
return(False);
}
out:
+ cli_state_seqnum_remove(cli, mid);
+
if (ret) {
/* Ensure the last 2 bytes of param and data are 2 null
* bytes. These are malloc'ed, but not included in any
}
}
- client_set_trans_sign_state_off(cli, SVAL(cli->inbuf,smb_mid));
return ret;
}
struct event_context *ev;
uint8_t cmd;
uint16_t mid;
+ uint32_t seqnum;
const char *pipe_name;
+ uint8_t *pipe_name_conv;
+ size_t pipe_name_conv_len;
uint16_t fid;
uint16_t function;
int flags;
struct trans_recvblob rdata;
TALLOC_CTX *secondary_request_ctx;
+
+ struct iovec iov[4];
+ uint8_t pad[4];
+ uint16_t vwv[32];
};
-static void cli_trans_recv_helper(struct async_req *req);
+static NTSTATUS cli_pull_trans(uint8_t *inbuf,
+ uint8_t wct, uint16_t *vwv,
+ uint16_t num_bytes, uint8_t *bytes,
+ uint8_t smb_cmd, bool expect_first_reply,
+ uint8_t *pnum_setup, uint16_t **psetup,
+ uint32_t *ptotal_param, uint32_t *pnum_param,
+ uint32_t *pparam_disp, uint8_t **pparam,
+ uint32_t *ptotal_data, uint32_t *pnum_data,
+ uint32_t *pdata_disp, uint8_t **pdata)
+{
+ uint32_t param_ofs, data_ofs;
+
+ if (expect_first_reply) {
+ if ((wct != 0) || (num_bytes != 0)) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ return NT_STATUS_OK;
+ }
+
+ switch (smb_cmd) {
+ case SMBtrans:
+ case SMBtrans2:
+ if (wct < 10) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ *ptotal_param = SVAL(vwv + 0, 0);
+ *ptotal_data = SVAL(vwv + 1, 0);
+ *pnum_param = SVAL(vwv + 3, 0);
+ param_ofs = SVAL(vwv + 4, 0);
+ *pparam_disp = SVAL(vwv + 5, 0);
+ *pnum_data = SVAL(vwv + 6, 0);
+ data_ofs = SVAL(vwv + 7, 0);
+ *pdata_disp = SVAL(vwv + 8, 0);
+ *pnum_setup = CVAL(vwv + 9, 0);
+ if (wct < 10 + (*pnum_setup)) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ *psetup = vwv + 10;
+
+ break;
+ case SMBnttrans:
+ if (wct < 18) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ *ptotal_param = IVAL(vwv, 3);
+ *ptotal_data = IVAL(vwv, 7);
+ *pnum_param = IVAL(vwv, 11);
+ param_ofs = IVAL(vwv, 15);
+ *pparam_disp = IVAL(vwv, 19);
+ *pnum_data = IVAL(vwv, 23);
+ data_ofs = IVAL(vwv, 27);
+ *pdata_disp = IVAL(vwv, 31);
+ *pnum_setup = CVAL(vwv, 35);
+ *psetup = vwv + 18;
+ break;
+
+ default:
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ /*
+ * Check for buffer overflows. data_ofs needs to be checked against
+ * the incoming buffer length, data_disp against the total
+ * length. Likewise for param_ofs/param_disp.
+ */
+
+ if (trans_oob(smb_len(inbuf), param_ofs, *pnum_param)
+ || trans_oob(*ptotal_param, *pparam_disp, *pnum_param)
+ || trans_oob(smb_len(inbuf), data_ofs, *pnum_data)
+ || trans_oob(*ptotal_data, *pdata_disp, *pnum_data)) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ *pparam = (uint8_t *)inbuf + 4 + param_ofs;
+ *pdata = (uint8_t *)inbuf + 4 + data_ofs;
+
+ return NT_STATUS_OK;
+}
-static struct async_req *cli_ship_trans(TALLOC_CTX *mem_ctx,
- struct cli_trans_state *state)
+static NTSTATUS cli_trans_pull_blob(TALLOC_CTX *mem_ctx,
+ struct trans_recvblob *blob,
+ uint32_t total, uint32_t thistime,
+ uint8_t *buf, uint32_t displacement)
{
- TALLOC_CTX *frame;
- struct async_req *result = NULL;
- struct cli_request *cli_req;
- uint8_t wct;
- uint16_t *vwv;
- uint8_t *bytes = NULL;
+ if (blob->data == NULL) {
+ if (total > blob->max) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ blob->total = total;
+ blob->data = TALLOC_ARRAY(mem_ctx, uint8_t, total);
+ if (blob->data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (total > blob->total) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ if (thistime) {
+ memcpy(blob->data + displacement, buf, thistime);
+ blob->received += thistime;
+ }
+
+ return NT_STATUS_OK;
+}
+
+static void cli_trans_format(struct cli_trans_state *state, uint8_t *pwct,
+ int *piov_count)
+{
+ uint8_t wct = 0;
+ struct iovec *iov = state->iov;
+ uint8_t *pad = state->pad;
+ uint16_t *vwv = state->vwv;
uint16_t param_offset;
uint16_t this_param = 0;
uint16_t this_data = 0;
uint32_t useable_space;
uint8_t cmd;
- frame = talloc_stackframe();
-
cmd = state->cmd;
if ((state->param_sent != 0) || (state->data_sent != 0)) {
switch (cmd) {
case SMBtrans:
- bytes = TALLOC_ZERO_P(talloc_tos(), uint8_t); /* padding */
- if (bytes == NULL) {
- goto fail;
- }
- bytes = smb_bytes_push_str(
- bytes, (state->cli->capabilities & CAP_UNICODE) != 0,
- state->pipe_name);
- if (bytes == NULL) {
- goto fail;
- }
+ pad[0] = 0;
+ iov[0].iov_base = (void *)pad;
+ iov[0].iov_len = 1;
+ iov[1].iov_base = (void *)state->pipe_name_conv;
+ iov[1].iov_len = state->pipe_name_conv_len;
wct = 14 + state->num_setup;
- param_offset += talloc_get_size(bytes);
+ param_offset += iov[0].iov_len + iov[1].iov_len;
+ iov += 2;
break;
case SMBtrans2:
- bytes = TALLOC_ARRAY(talloc_tos(), uint8_t, 3); /* padding */
- if (bytes == NULL) {
- goto fail;
- }
- bytes[0] = 0;
- bytes[1] = 'D'; /* Copy this from "old" 3.0 behaviour */
- bytes[2] = ' ';
+ pad[0] = 0;
+ pad[1] = 'D'; /* Copy this from "old" 3.0 behaviour */
+ pad[2] = ' ';
+ iov[0].iov_base = (void *)pad;
+ iov[0].iov_len = 3;
wct = 14 + state->num_setup;
- param_offset += talloc_get_size(bytes);
+ param_offset += 3;
+ iov += 1;
break;
case SMBtranss:
wct = 8;
case SMBnttranss:
wct = 18;
break;
- default:
- goto fail;
}
useable_space = state->cli->max_xmit - smb_size - sizeof(uint16_t)*wct;
if (state->param_sent < state->num_param) {
this_param = MIN(state->num_param - state->param_sent,
useable_space);
+ iov[0].iov_base = (void *)(state->param + state->param_sent);
+ iov[0].iov_len = this_param;
+ iov += 1;
}
if (state->data_sent < state->num_data) {
this_data = MIN(state->num_data - state->data_sent,
useable_space - this_param);
+ iov[0].iov_base = (void *)(state->data + state->data_sent);
+ iov[0].iov_len = this_data;
+ iov += 1;
}
- vwv = TALLOC_ARRAY(talloc_tos(), uint16_t, wct);
- if (vwv == NULL) {
- goto fail;
- }
param_offset += wct * sizeof(uint16_t);
DEBUG(10, ("num_setup=%u, max_setup=%u, "
break;
}
- bytes = (uint8_t *)talloc_append_blob(
- talloc_tos(), bytes,
- data_blob_const(state->param + state->param_sent, this_param));
- if (bytes == NULL) {
- goto fail;
- }
state->param_sent += this_param;
-
- bytes = (uint8_t *)talloc_append_blob(
- talloc_tos(), bytes,
- data_blob_const(state->data + state->data_sent, this_data));
- if (bytes == NULL) {
- goto fail;
- }
state->data_sent += this_data;
- if ((cmd == SMBtrans) || (cmd == SMBtrans2) || (cmd == SMBnttrans)) {
- /*
- * Primary request, retrieve our mid
- */
- result = cli_request_send(mem_ctx, state->ev, state->cli,
- cmd, 0, wct, vwv,
- talloc_get_size(bytes), bytes);
- if (result == NULL) {
- goto fail;
- }
- cli_req = talloc_get_type_abort(result->private_data,
- struct cli_request);
- state->mid = cli_req->mid;
- } else {
- uint16_t num_bytes = talloc_get_size(bytes);
- /*
- * Secondary request, we have to fix up the mid. Thus we do
- * the chain_cork/chain/uncork ourselves.
- */
- if (!cli_chain_cork(state->cli, state->ev,
- wct * sizeof(uint16_t) + num_bytes + 3)) {
- goto fail;
- }
- result = cli_request_send(mem_ctx, state->ev, state->cli,
- cmd, 0, wct, vwv, num_bytes, bytes);
- if (result == NULL) {
- goto fail;
- }
- cli_req = talloc_get_type_abort(result->private_data,
- struct cli_request);
- cli_req->recv_helper.fn = cli_trans_recv_helper;
- cli_req->recv_helper.priv = state;
- cli_req->mid = state->mid;
- client_set_trans_sign_state_off(state->cli, state->mid);
- cli_chain_uncork(state->cli);
- }
-
- client_set_trans_sign_state_on(state->cli, state->mid);
-
- fail:
- TALLOC_FREE(frame);
- return result;
+ *pwct = wct;
+ *piov_count = iov - state->iov;
}
-static void cli_trans_ship_rest(struct async_req *req,
- struct cli_trans_state *state)
-{
- state->secondary_request_ctx = talloc_new(state);
- if (state->secondary_request_ctx == NULL) {
- async_req_error(req, NT_STATUS_NO_MEMORY);
- return;
- }
-
- while ((state->param_sent < state->num_param)
- || (state->data_sent < state->num_data)) {
- struct async_req *cli_req;
+static void cli_trans_done(struct tevent_req *subreq);
- cli_req = cli_ship_trans(state->secondary_request_ctx, state);
- if (cli_req == NULL) {
- async_req_error(req, NT_STATUS_NO_MEMORY);
- return;
- }
- }
-}
-
-static NTSTATUS cli_pull_trans(struct async_req *req,
- struct cli_request *cli_req,
- uint8_t smb_cmd, bool expect_first_reply,
- uint8_t *pnum_setup, uint16_t **psetup,
- uint32_t *ptotal_param, uint32_t *pnum_param,
- uint32_t *pparam_disp, uint8_t **pparam,
- uint32_t *ptotal_data, uint32_t *pnum_data,
- uint32_t *pdata_disp, uint8_t **pdata)
+struct tevent_req *cli_trans_send(
+ TALLOC_CTX *mem_ctx, struct event_context *ev,
+ struct cli_state *cli, uint8_t cmd,
+ const char *pipe_name, uint16_t fid, uint16_t function, int flags,
+ uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
+ uint8_t *param, uint32_t num_param, uint32_t max_param,
+ uint8_t *data, uint32_t num_data, uint32_t max_data)
{
- uint32_t param_ofs, data_ofs;
+ struct tevent_req *req, *subreq;
+ struct cli_trans_state *state;
+ int iov_count;
uint8_t wct;
- uint16_t *vwv;
- uint16_t num_bytes;
- uint8_t *bytes;
NTSTATUS status;
- status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
-
- /*
- * We can receive something like STATUS_MORE_ENTRIES, so don't use
- * !NT_STATUS_IS_OK(status) here.
- */
-
- if (NT_STATUS_IS_ERR(status)) {
- return status;
+ req = tevent_req_create(mem_ctx, &state, struct cli_trans_state);
+ if (req == NULL) {
+ return NULL;
}
- if (expect_first_reply) {
- if ((wct != 0) || (num_bytes != 0)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ if ((cmd == SMBtrans) || (cmd == SMBtrans2)) {
+ if ((num_param > 0xffff) || (max_param > 0xffff)
+ || (num_data > 0xffff) || (max_data > 0xffff)) {
+ DEBUG(3, ("Attempt to send invalid trans2 request "
+ "(setup %u, params %u/%u, data %u/%u)\n",
+ (unsigned)num_setup,
+ (unsigned)num_param, (unsigned)max_param,
+ (unsigned)num_data, (unsigned)max_data));
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
}
- return NT_STATUS_OK;
}
- switch (smb_cmd) {
- case SMBtrans:
- case SMBtrans2:
- if (wct < 10) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- *ptotal_param = SVAL(vwv + 0, 0);
- *ptotal_data = SVAL(vwv + 1, 0);
- *pnum_param = SVAL(vwv + 3, 0);
- param_ofs = SVAL(vwv + 4, 0);
- *pparam_disp = SVAL(vwv + 5, 0);
- *pnum_data = SVAL(vwv + 6, 0);
- data_ofs = SVAL(vwv + 7, 0);
- *pdata_disp = SVAL(vwv + 8, 0);
- *pnum_setup = CVAL(vwv + 9, 0);
- if (wct < 10 + (*pnum_setup)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- *psetup = vwv + 10;
-
- break;
- case SMBnttrans:
- if (wct < 18) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- *ptotal_param = IVAL(vwv, 3);
- *ptotal_data = IVAL(vwv, 7);
- *pnum_param = IVAL(vwv, 11);
- param_ofs = IVAL(vwv, 15);
- *pparam_disp = IVAL(vwv, 19);
- *pnum_data = IVAL(vwv, 23);
- data_ofs = IVAL(vwv, 27);
- *pdata_disp = IVAL(vwv, 31);
- *pnum_setup = CVAL(vwv, 35);
- *psetup = vwv + 18;
- break;
+ /*
+ * The largest wct will be for nttrans (19+num_setup). Make sure we
+ * don't overflow state->vwv in cli_trans_format.
+ */
- default:
- return NT_STATUS_INTERNAL_ERROR;
+ if ((num_setup + 19) > ARRAY_SIZE(state->vwv)) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
}
- /*
- * Check for buffer overflows. data_ofs needs to be checked against
- * the incoming buffer length, data_disp against the total
- * length. Likewise for param_ofs/param_disp.
- */
+ state->cli = cli;
+ state->ev = ev;
+ state->cmd = cmd;
+ state->flags = flags;
+ state->num_rsetup = 0;
+ state->rsetup = NULL;
+ ZERO_STRUCT(state->rparam);
+ ZERO_STRUCT(state->rdata);
- if (trans_oob(smb_len(cli_req->inbuf), param_ofs, *pnum_param)
- || trans_oob(*ptotal_param, *pparam_disp, *pnum_param)
- || trans_oob(smb_len(cli_req->inbuf), data_ofs, *pnum_data)
- || trans_oob(*ptotal_data, *pdata_disp, *pnum_data)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ if ((pipe_name != NULL)
+ && (!convert_string_talloc(state, CH_UNIX,
+ cli_ucs2(cli) ? CH_UTF16LE : CH_DOS,
+ pipe_name, strlen(pipe_name) + 1,
+ &state->pipe_name_conv,
+ &state->pipe_name_conv_len, true))) {
+ tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+ return tevent_req_post(req, ev);
}
+ state->fid = fid; /* trans2 */
+ state->function = function; /* nttrans */
- *pparam = (uint8_t *)cli_req->inbuf + 4 + param_ofs;
- *pdata = (uint8_t *)cli_req->inbuf + 4 + data_ofs;
+ state->setup = setup;
+ state->num_setup = num_setup;
+ state->max_setup = max_setup;
- return NT_STATUS_OK;
-}
+ state->param = param;
+ state->num_param = num_param;
+ state->param_sent = 0;
+ state->rparam.max = max_param;
-static NTSTATUS cli_trans_pull_blob(TALLOC_CTX *mem_ctx,
- struct trans_recvblob *blob,
- uint32_t total, uint32_t thistime,
- uint8_t *buf, uint32_t displacement)
-{
- if (blob->data == NULL) {
- if (total > blob->max) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- blob->total = total;
- blob->data = TALLOC_ARRAY(mem_ctx, uint8_t, total);
- if (blob->data == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- }
+ state->data = data;
+ state->num_data = num_data;
+ state->data_sent = 0;
+ state->rdata.max = max_data;
- if (total > blob->total) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
+ cli_trans_format(state, &wct, &iov_count);
- if (thistime) {
- memcpy(blob->data + displacement, buf, thistime);
- blob->received += thistime;
+ subreq = cli_smb_req_create(state, ev, cli, cmd, 0, wct, state->vwv,
+ iov_count, state->iov);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
}
-
- return NT_STATUS_OK;
+ state->mid = cli_smb_req_mid(subreq);
+ status = cli_smb_req_send(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, state->ev);
+ }
+ cli_state_seqnum_persistent(cli, state->mid);
+ tevent_req_set_callback(subreq, cli_trans_done, req);
+ return req;
}
-static void cli_trans_recv_helper(struct async_req *req)
+static void cli_trans_done(struct tevent_req *subreq)
{
- struct cli_request *cli_req = talloc_get_type_abort(
- req->private_data, struct cli_request);
- struct cli_trans_state *state = talloc_get_type_abort(
- cli_req->recv_helper.priv, struct cli_trans_state);
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_trans_state *state = tevent_req_data(
+ req, struct cli_trans_state);
+ NTSTATUS status;
+ bool sent_all;
+ uint8_t wct;
+ uint16_t *vwv;
+ uint32_t num_bytes;
+ uint8_t *bytes;
+ uint8_t *inbuf;
uint8_t num_setup = 0;
uint16_t *setup = NULL;
uint32_t total_param = 0;
uint32_t data_disp = 0;
uint8_t *param = NULL;
uint8_t *data = NULL;
- bool sent_all;
- NTSTATUS status;
-
- sent_all = (state->param_sent == state->num_param)
- && (state->data_sent == state->num_data);
- status = cli_pull_trans(
- req, cli_req, state->cmd, !sent_all, &num_setup, &setup,
- &total_param, &num_param, ¶m_disp, ¶m,
- &total_data, &num_data, &data_disp, &data);
+ status = cli_smb_recv(subreq, state, &inbuf, 0, &wct, &vwv,
+ &num_bytes, &bytes);
+ /*
+ * Do not TALLOC_FREE(subreq) here, we might receive more than
+ * one response for the same mid.
+ */
/*
* We can receive something like STATUS_MORE_ENTRIES, so don't use
*/
if (NT_STATUS_IS_ERR(status)) {
- async_req_error(req, status);
- return;
+ goto fail;
}
- if (!sent_all) {
- cli_trans_ship_rest(req, state);
- return;
+ sent_all = ((state->param_sent == state->num_param)
+ && (state->data_sent == state->num_data));
+
+ status = cli_pull_trans(
+ inbuf, wct, vwv, num_bytes, bytes,
+ state->cmd, !sent_all, &num_setup, &setup,
+ &total_param, &num_param, ¶m_disp, ¶m,
+ &total_data, &num_data, &data_disp, &data);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
}
- /*
- * We've just received a real response. This means that we don't need
- * the secondary cli_request structures anymore, they have all been
- * shipped to the server.
- */
- TALLOC_FREE(state->secondary_request_ctx);
+ if (!sent_all) {
+ int iov_count;
- if (num_setup != 0) {
- TALLOC_FREE(state->rsetup);
- state->rsetup = (uint16_t *)TALLOC_MEMDUP(
- state, setup, sizeof(uint16_t) * num_setup);
- if (state->rsetup == NULL) {
- async_req_error(req, NT_STATUS_NO_MEMORY);
+ TALLOC_FREE(subreq);
+
+ cli_trans_format(state, &wct, &iov_count);
+
+ subreq = cli_smb_req_create(state, state->ev, state->cli,
+ state->cmd + 1, 0, wct, state->vwv,
+ iov_count, state->iov);
+ if (tevent_req_nomem(subreq, req)) {
return;
}
+ cli_smb_req_set_mid(subreq, state->mid);
+
+ status = cli_smb_req_send(subreq);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ tevent_req_set_callback(subreq, cli_trans_done, req);
+ return;
}
status = cli_trans_pull_blob(
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("Pulling params failed: %s\n", nt_errstr(status)));
- async_req_error(req, status);
- return;
+ goto fail;
}
status = cli_trans_pull_blob(
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("Pulling data failed: %s\n", nt_errstr(status)));
- async_req_error(req, status);
- return;
+ goto fail;
}
if ((state->rparam.total == state->rparam.received)
&& (state->rdata.total == state->rdata.received)) {
- client_set_trans_sign_state_off(state->cli, state->mid);
- async_req_done(req);
- }
-}
-
-struct async_req *cli_trans_send(
- TALLOC_CTX *mem_ctx, struct event_context *ev,
- struct cli_state *cli, uint8_t trans_cmd,
- const char *pipe_name, uint16_t fid, uint16_t function, int flags,
- uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
- uint8_t *param, uint32_t num_param, uint32_t max_param,
- uint8_t *data, uint32_t num_data, uint32_t max_data)
-{
- struct async_req *req;
- struct cli_request *cli_req;
- struct cli_trans_state *state;
-
- /*
- * We can't use it in a chained request chain, we'd get the offset
- * calculations wrong.
- */
-
- if (cli_in_chain(cli)) {
- return NULL;
- }
-
- if ((trans_cmd == SMBtrans) || (trans_cmd == SMBtrans2)) {
- if ((num_param > 0xffff) || (max_param > 0xffff)
- || (num_data > 0xffff) || (max_data > 0xffff)) {
- DEBUG(3, ("Attempt to send invalid trans2 request "
- "(setup %u, params %u/%u, data %u/%u)\n",
- (unsigned)num_setup,
- (unsigned)num_param, (unsigned)max_param,
- (unsigned)num_data, (unsigned)max_data));
- return NULL;
- }
- }
-
- state = talloc(mem_ctx, struct cli_trans_state);
- if (state == NULL) {
- goto nomem;
- }
-
- state->cli = cli;
- state->ev = ev;
- state->cmd = trans_cmd;
- state->num_rsetup = 0;
- state->rsetup = NULL;
- ZERO_STRUCT(state->rparam);
- ZERO_STRUCT(state->rdata);
- state->secondary_request_ctx = NULL;
-
- if (trans_cmd == SMBtrans) {
- state->pipe_name = talloc_strdup(state, pipe_name);
- if (state->pipe_name == NULL) {
- goto nomem;
- }
- }
- if (trans_cmd == SMBtrans2) {
- state->fid = fid;
- }
- if (trans_cmd == SMBnttrans) {
- state->function = function;
- }
-
- state->flags = flags;
-
- if (setup != NULL) {
- state->setup = (uint16_t *)TALLOC_MEMDUP(
- state, setup, sizeof(*setup) * num_setup);
- if (state->setup == NULL) {
- goto nomem;
- }
- state->num_setup = num_setup;
- } else {
- state->setup = NULL;
- state->num_setup = 0;
+ TALLOC_FREE(subreq);
+ cli_state_seqnum_remove(state->cli, state->mid);
+ tevent_req_done(req);
+ return;
}
- state->max_setup = max_setup;
+ TALLOC_FREE(inbuf);
- if (param != NULL) {
- state->param = (uint8_t *)TALLOC_MEMDUP(state, param,
- num_param);
- if (state->param == NULL) {
- goto nomem;
- }
- state->num_param = num_param;
- } else {
- state->param = NULL;
- state->num_param = 0;
+ if (!cli_smb_req_set_pending(subreq)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
}
+ return;
- state->param_sent = 0;
- state->rparam.max = max_param;
-
- if (data != NULL) {
- state->data = (uint8_t *)TALLOC_MEMDUP(state, data, num_data);
- if (state->data == NULL) {
- goto nomem;
- }
- state->num_data = num_data;
- } else {
- state->data = NULL;
- state->num_data = 0;
- }
+ fail:
+ cli_state_seqnum_remove(state->cli, state->mid);
+ TALLOC_FREE(subreq);
+ tevent_req_nterror(req, status);
+}
- state->data_sent = 0;
- state->rdata.max = max_data;
+NTSTATUS cli_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+ uint16_t **setup, uint8_t min_setup,
+ uint8_t *num_setup,
+ uint8_t **param, uint32_t min_param,
+ uint32_t *num_param,
+ uint8_t **data, uint32_t min_data,
+ uint32_t *num_data)
+{
+ struct cli_trans_state *state = tevent_req_data(
+ req, struct cli_trans_state);
+ NTSTATUS status;
- req = cli_ship_trans(state, state);
- if (req == NULL) {
- goto nomem;
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
}
- cli_req = talloc_get_type_abort(req->private_data, struct cli_request);
- cli_req->recv_helper.fn = cli_trans_recv_helper;
- cli_req->recv_helper.priv = state;
-
- return req;
-
- nomem:
- TALLOC_FREE(state);
- return NULL;
-}
-
-NTSTATUS cli_trans_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
- uint16_t **setup, uint8_t *num_setup,
- uint8_t **param, uint32_t *num_param,
- uint8_t **data, uint32_t *num_data)
-{
- struct cli_request *cli_req = talloc_get_type_abort(
- req->private_data, struct cli_request);
- struct cli_trans_state *state = talloc_get_type_abort(
- cli_req->recv_helper.priv, struct cli_trans_state);
-
- SMB_ASSERT(req->state >= ASYNC_REQ_DONE);
- if (req->state == ASYNC_REQ_ERROR) {
- return req->status;
+ if ((state->num_rsetup < min_setup)
+ || (state->rparam.total < min_param)
+ || (state->rdata.total < min_data)) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
if (setup != NULL) {
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data,
- uint16_t **rsetup, uint8_t *num_rsetup,
- uint8_t **rparam, uint32_t *num_rparam,
- uint8_t **rdata, uint32_t *num_rdata)
+ uint16_t **rsetup, uint8_t min_rsetup, uint8_t *num_rsetup,
+ uint8_t **rparam, uint32_t min_rparam, uint32_t *num_rparam,
+ uint8_t **rdata, uint32_t min_rdata, uint32_t *num_rdata)
{
TALLOC_CTX *frame = talloc_stackframe();
struct event_context *ev;
- struct async_req *req;
- NTSTATUS status = NT_STATUS_NO_MEMORY;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_OK;
- if (cli->fd_event != NULL) {
+ if (cli_has_async_calls(cli)) {
/*
* Can't use sync call while an async call is in flight
*/
- cli_set_error(cli, NT_STATUS_INVALID_PARAMETER);
+ status = NT_STATUS_INVALID_PARAMETER;
goto fail;
}
ev = event_context_init(frame);
if (ev == NULL) {
+ status = NT_STATUS_NO_MEMORY;
goto fail;
}
param, num_param, max_param,
data, num_data, max_data);
if (req == NULL) {
+ status = NT_STATUS_NO_MEMORY;
goto fail;
}
- while (req->state < ASYNC_REQ_DONE) {
- event_loop_once(ev);
+ if (!tevent_req_poll(req, ev)) {
+ status = map_nt_error_from_unix(errno);
+ goto fail;
}
- status = cli_trans_recv(req, mem_ctx, rsetup, num_rsetup,
- rparam, num_rparam, rdata, num_rdata);
+ status = cli_trans_recv(req, mem_ctx, rsetup, min_rsetup, num_rsetup,
+ rparam, min_rparam, num_rparam,
+ rdata, min_rdata, num_rdata);
fail:
TALLOC_FREE(frame);
+ if (!NT_STATUS_IS_OK(status)) {
+ cli_set_error(cli, status);
+ }
return status;
}
git.samba.org / sfrench / samba-autobuild / .git / blobdiff