diff options
| -rw-r--r-- | libcli/smb/smb1cli_trans.c | 778 |
1 files changed, 778 insertions, 0 deletions
diff --git a/libcli/smb/smb1cli_trans.c b/libcli/smb/smb1cli_trans.c new file mode 100644 index 0000000000..5c73e2da74 --- /dev/null +++ b/libcli/smb/smb1cli_trans.c @@ -0,0 +1,778 @@ +/* + Unix SMB/CIFS implementation. + client transaction calls + Copyright (C) Andrew Tridgell 1994-1998 + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "libsmb/libsmb.h" +#include "../lib/util/tevent_ntstatus.h" +#include "async_smb.h" + +struct trans_recvblob { + uint8_t *data; + uint32_t max, total, received; +}; + +struct cli_trans_state { + struct cli_state *cli; + struct tevent_context *ev; + uint8_t cmd; + uint16_t mid; + const char *pipe_name; + uint8_t *pipe_name_conv; + size_t pipe_name_conv_len; + uint16_t fid; + uint16_t function; + int flags; + uint16_t *setup; + uint8_t num_setup, max_setup; + uint8_t *param; + uint32_t num_param, param_sent; + uint8_t *data; + uint32_t num_data, data_sent; + + uint8_t num_rsetup; + uint16_t *rsetup; + struct trans_recvblob rparam; + struct trans_recvblob rdata; + uint16_t recv_flags2; + + struct iovec iov[6]; + uint8_t pad[4]; + uint8_t zero_pad[4]; + uint16_t vwv[32]; + + struct tevent_req *primary_subreq; +}; + +static void cli_trans_cleanup_primary(struct cli_trans_state *state) +{ + if (state->primary_subreq) { + cli_smb_req_set_mid(state->primary_subreq, 0); + cli_smb_req_unset_pending(state->primary_subreq); + TALLOC_FREE(state->primary_subreq); + } +} + +static int cli_trans_state_destructor(struct cli_trans_state *state) +{ + cli_trans_cleanup_primary(state); + return 0; +} + +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; + uint8_t expected_num_setup; + + 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; + } + expected_num_setup = wct - 10; + *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 (expected_num_setup < (*pnum_setup)) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + *psetup = vwv + 10; + + break; + case SMBnttrans: + if (wct < 18) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + expected_num_setup = wct - 18; + *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); + if (expected_num_setup < (*pnum_setup)) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + *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 (smb_buffer_oob(smb_len_nbt(inbuf), param_ofs, *pnum_param) + || smb_buffer_oob(*ptotal_param, *pparam_disp, *pnum_param) + || smb_buffer_oob(smb_len_nbt(inbuf), data_ofs, *pnum_data) + || smb_buffer_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 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; + } + } + + 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) +{ + struct cli_state *cli = state->cli; + uint8_t wct = 0; + struct iovec *iov = state->iov; + uint8_t *pad = state->pad; + uint16_t *vwv = state->vwv; + uint32_t param_offset; + uint32_t this_param = 0; + uint32_t param_pad; + uint32_t data_offset; + uint32_t this_data = 0; + uint32_t data_pad; + uint32_t useable_space; + uint8_t cmd; + + cmd = state->cmd; + + if ((state->param_sent != 0) || (state->data_sent != 0)) { + /* The secondary commands are one after the primary ones */ + cmd += 1; + } + + param_offset = MIN_SMB_SIZE; + + switch (cmd) { + case SMBtrans: + if (cli_ucs2(state->cli)) { + pad[0] = 0; + iov[0].iov_base = (void *)pad; + iov[0].iov_len = 1; + param_offset += 1; + iov += 1; + } + iov[0].iov_base = (void *)state->pipe_name_conv; + iov[0].iov_len = state->pipe_name_conv_len; + wct = 14 + state->num_setup; + param_offset += iov[0].iov_len; + iov += 1; + break; + case SMBtrans2: + 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 += 3; + iov += 1; + break; + case SMBtranss: + wct = 8; + break; + case SMBtranss2: + wct = 9; + break; + case SMBnttrans: + wct = 19 + state->num_setup; + break; + case SMBnttranss: + wct = 18; + break; + } + + param_offset += wct * sizeof(uint16_t); + useable_space = cli_state_available_size(cli, param_offset); + + param_pad = param_offset % 4; + if (param_pad > 0) { + param_pad = MIN(param_pad, useable_space); + iov[0].iov_base = (void *)state->zero_pad; + iov[0].iov_len = param_pad; + iov += 1; + param_offset += param_pad; + } + useable_space = cli_state_available_size(cli, param_offset); + + 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; + } + + data_offset = param_offset + this_param; + useable_space = cli_state_available_size(cli, data_offset); + + data_pad = data_offset % 4; + if (data_pad > 0) { + data_pad = MIN(data_pad, useable_space); + iov[0].iov_base = (void *)state->zero_pad; + iov[0].iov_len = data_pad; + iov += 1; + data_offset += data_pad; + } + useable_space = cli_state_available_size(cli, data_offset); + + if (state->data_sent < state->num_data) { + this_data = MIN(state->num_data - state->data_sent, + useable_space); + iov[0].iov_base = (void *)(state->data + state->data_sent); + iov[0].iov_len = this_data; + iov += 1; + } + + DEBUG(10, ("num_setup=%u, max_setup=%u, " + "param_total=%u, this_param=%u, max_param=%u, " + "data_total=%u, this_data=%u, max_data=%u, " + "param_offset=%u, param_pad=%u, param_disp=%u, " + "data_offset=%u, data_pad=%u, data_disp=%u\n", + (unsigned)state->num_setup, (unsigned)state->max_setup, + (unsigned)state->num_param, (unsigned)this_param, + (unsigned)state->rparam.max, + (unsigned)state->num_data, (unsigned)this_data, + (unsigned)state->rdata.max, + (unsigned)param_offset, (unsigned)param_pad, + (unsigned)state->param_sent, + (unsigned)data_offset, (unsigned)data_pad, + (unsigned)state->data_sent)); + + switch (cmd) { + case SMBtrans: + case SMBtrans2: + SSVAL(vwv + 0, 0, state->num_param); + SSVAL(vwv + 1, 0, state->num_data); + SSVAL(vwv + 2, 0, state->rparam.max); + SSVAL(vwv + 3, 0, state->rdata.max); + SCVAL(vwv + 4, 0, state->max_setup); + SCVAL(vwv + 4, 1, 0); /* reserved */ + SSVAL(vwv + 5, 0, state->flags); + SIVAL(vwv + 6, 0, 0); /* timeout */ + SSVAL(vwv + 8, 0, 0); /* reserved */ + SSVAL(vwv + 9, 0, this_param); + SSVAL(vwv +10, 0, param_offset); + SSVAL(vwv +11, 0, this_data); + SSVAL(vwv +12, 0, data_offset); + SCVAL(vwv +13, 0, state->num_setup); + SCVAL(vwv +13, 1, 0); /* reserved */ + memcpy(vwv + 14, state->setup, + sizeof(uint16_t) * state->num_setup); + break; + case SMBtranss: + case SMBtranss2: + SSVAL(vwv + 0, 0, state->num_param); + SSVAL(vwv + 1, 0, state->num_data); + SSVAL(vwv + 2, 0, this_param); + SSVAL(vwv + 3, 0, param_offset); + SSVAL(vwv + 4, 0, state->param_sent); + SSVAL(vwv + 5, 0, this_data); + SSVAL(vwv + 6, 0, data_offset); + SSVAL(vwv + 7, 0, state->data_sent); + if (cmd == SMBtranss2) { + SSVAL(vwv + 8, 0, state->fid); + } + break; + case SMBnttrans: + SCVAL(vwv + 0, 0, state->max_setup); + SSVAL(vwv + 0, 1, 0); /* reserved */ + SIVAL(vwv + 1, 1, state->num_param); + SIVAL(vwv + 3, 1, state->num_data); + SIVAL(vwv + 5, 1, state->rparam.max); + SIVAL(vwv + 7, 1, state->rdata.max); + SIVAL(vwv + 9, 1, this_param); + SIVAL(vwv +11, 1, param_offset); + SIVAL(vwv +13, 1, this_data); + SIVAL(vwv +15, 1, data_offset); + SCVAL(vwv +17, 1, state->num_setup); + SSVAL(vwv +18, 0, state->function); + memcpy(vwv + 19, state->setup, + sizeof(uint16_t) * state->num_setup); + break; + case SMBnttranss: + SSVAL(vwv + 0, 0, 0); /* reserved */ + SCVAL(vwv + 1, 0, 0); /* reserved */ + SIVAL(vwv + 1, 1, state->num_param); + SIVAL(vwv + 3, 1, state->num_data); + SIVAL(vwv + 5, 1, this_param); + SIVAL(vwv + 7, 1, param_offset); + SIVAL(vwv + 9, 1, state->param_sent); + SIVAL(vwv +11, 1, this_data); + SIVAL(vwv +13, 1, data_offset); + SIVAL(vwv +15, 1, state->data_sent); + SCVAL(vwv +17, 1, 0); /* reserved */ + break; + } + + state->param_sent += this_param; + state->data_sent += this_data; + + *pwct = wct; + *piov_count = iov - state->iov; +} + +static void cli_trans_done(struct tevent_req *subreq); + +struct tevent_req *cli_trans_send( + TALLOC_CTX *mem_ctx, struct tevent_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) +{ + struct tevent_req *req, *subreq; + struct cli_trans_state *state; + int iov_count; + uint8_t wct; + NTSTATUS status; + + req = tevent_req_create(mem_ctx, &state, struct cli_trans_state); + if (req == NULL) { + return NULL; + } + + 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); + } + } + + /* + * The largest wct will be for nttrans (19+num_setup). Make sure we + * don't overflow state->vwv in cli_trans_format. + */ + + if ((num_setup + 19) > ARRAY_SIZE(state->vwv)) { + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); + return tevent_req_post(req, ev); + } + + 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 ((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))) { + tevent_req_nterror(req, NT_STATUS_NO_MEMORY); + return tevent_req_post(req, ev); + } + state->fid = fid; /* trans2 */ + state->function = function; /* nttrans */ + + state->setup = setup; + state->num_setup = num_setup; + state->max_setup = max_setup; + + state->param = param; + state->num_param = num_param; + state->param_sent = 0; + state->rparam.max = max_param; + + state->data = data; + state->num_data = num_data; + state->data_sent = 0; + state->rdata.max = max_data; + + cli_trans_format(state, &wct, &iov_count); + + 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); + } + status = cli_smb_req_send(subreq); + if (!NT_STATUS_IS_OK(status)) { + tevent_req_nterror(req, status); + return tevent_req_post(req, state->ev); + } + tevent_req_set_callback(subreq, cli_trans_done, req); + + /* + * Now get the MID of the primary request + * and mark it as persistent. This means + * we will able to send and receive multiple + * SMB pdus using this MID in both directions + * (including correct SMB signing). + */ + state->mid = cli_smb_req_mid(subreq); + cli_smb_req_set_mid(subreq, state->mid); + state->primary_subreq = subreq; + talloc_set_destructor(state, cli_trans_state_destructor); + + return req; +} + +static void cli_trans_done2(struct tevent_req *subreq); + +static void cli_trans_done(struct tevent_req *subreq) +{ + 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; + const uint8_t *inhdr; + 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 num_param = 0; + uint32_t param_disp = 0; + uint32_t total_data = 0; + uint32_t num_data = 0; + uint32_t data_disp = 0; + uint8_t *param = NULL; + uint8_t *data = NULL; + + 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 + * !NT_STATUS_IS_OK(status) here. + */ + + if (NT_STATUS_IS_ERR(status)) { + goto fail; + } + inhdr = inbuf + NBT_HDR_SIZE; + + 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; + } + + if (!sent_all) { + int iov_count; + struct tevent_req *subreq2; + + cli_trans_format(state, &wct, &iov_count); + + subreq2 = cli_smb_req_create(state, state->ev, state->cli, + state->cmd + 1, 0, wct, state->vwv, + iov_count, state->iov); + if (tevent_req_nomem(subreq2, req)) { + return; + } + cli_smb_req_set_mid(subreq2, state->mid); + + status = cli_smb_req_send(subreq2); + + if (!NT_STATUS_IS_OK(status)) { + goto fail; + } + tevent_req_set_callback(subreq2, cli_trans_done2, req); + + return; + } + + status = cli_trans_pull_blob( + state, &state->rparam, total_param, num_param, param, + param_disp); + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("Pulling params failed: %s\n", nt_errstr(status))); + goto fail; + } + + status = cli_trans_pull_blob( + state, &state->rdata, total_data, num_data, data, + data_disp); + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("Pulling data failed: %s\n", nt_errstr(status))); + goto fail; + } + + if ((state->rparam.total == state->rparam.received) + && (state->rdata.total == state->rdata.received)) { + state->recv_flags2 = SVAL(inhdr, HDR_FLG2); + cli_trans_cleanup_primary(state); + tevent_req_done(req); + return; + } + + TALLOC_FREE(inbuf); + + return; + + fail: + cli_trans_cleanup_primary(state); + tevent_req_nterror(req, status); +} + +static void cli_trans_done2(struct tevent_req *subreq2) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq2, struct tevent_req); + struct cli_trans_state *state = tevent_req_data( + req, struct cli_trans_state); + NTSTATUS status; + bool sent_all; + uint8_t wct; + uint32_t seqnum; + + /* + * First backup the seqnum of the secondary request + * and attach it to the primary request. + */ + seqnum = cli_smb_req_seqnum(subreq2); + cli_smb_req_set_seqnum(state->primary_subreq, seqnum); + + status = cli_smb_recv(subreq2, state, NULL, 0, &wct, NULL, + NULL, NULL); + TALLOC_FREE(subreq2); + + if (!NT_STATUS_IS_OK(status)) { + goto fail; + } + + if (wct != 0) { + status = NT_STATUS_INVALID_NETWORK_RESPONSE; + goto fail; + } + + sent_all = ((state->param_sent == state->num_param) + && (state->data_sent == state->num_data)); + + if (!sent_all) { + int iov_count; + + cli_trans_format(state, &wct, &iov_count); + + subreq2 = cli_smb_req_create(state, state->ev, state->cli, + state->cmd + 1, 0, wct, state->vwv, + iov_count, state->iov); + if (tevent_req_nomem(subreq2, req)) { + return; + } + cli_smb_req_set_mid(subreq2, state->mid); + + status = cli_smb_req_send(subreq2); + + if (!NT_STATUS_IS_OK(status)) { + goto fail; + } + tevent_req_set_callback(subreq2, cli_trans_done2, req); + return; + } + + return; + + fail: + cli_trans_cleanup_primary(state); + tevent_req_nterror(req, status); +} + +NTSTATUS cli_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, + uint16_t *recv_flags2, + 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; + + cli_trans_cleanup_primary(state); + + if (tevent_req_is_nterror(req, &status)) { + return status; + } + + if ((state->num_rsetup < min_setup) + || (state->rparam.total < min_param) + || (state->rdata.total < min_data)) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + + if (recv_flags2 != NULL) { + *recv_flags2 = state->recv_flags2; + } + + if (setup != NULL) { + *setup = talloc_move(mem_ctx, &state->rsetup); + *num_setup = state->num_rsetup; + } else { + TALLOC_FREE(state->rsetup); + } + + if (param != NULL) { + *param = talloc_move(mem_ctx, &state->rparam.data); + *num_param = state->rparam.total; + } else { + TALLOC_FREE(state->rparam.data); + } + + if (data != NULL) { + *data = talloc_move(mem_ctx, &state->rdata.data); + *num_data = state->rdata.total; + } else { + TALLOC_FREE(state->rdata.data); + } + + return NT_STATUS_OK; +} + +NTSTATUS cli_trans(TALLOC_CTX *mem_ctx, 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, + uint16_t *recv_flags2, + 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 tevent_context *ev; + struct tevent_req *req; + NTSTATUS status = NT_STATUS_OK; + + if (cli_has_async_calls(cli)) { + /* + * Can't use sync call while an async call is in flight + */ + status = NT_STATUS_INVALID_PARAMETER; + goto fail; + } + + ev = tevent_context_init(frame); + if (ev == NULL) { + status = NT_STATUS_NO_MEMORY; + goto fail; + } + + req = cli_trans_send(frame, ev, cli, trans_cmd, + pipe_name, fid, function, flags, + setup, num_setup, max_setup, + param, num_param, max_param, + data, num_data, max_data); + if (req == NULL) { + status = NT_STATUS_NO_MEMORY; + goto fail; + } + + if (!tevent_req_poll(req, ev)) { + status = map_nt_error_from_unix_common(errno); + goto fail; + } + + status = cli_trans_recv(req, mem_ctx, recv_flags2, + rsetup, min_rsetup, num_rsetup, + rparam, min_rparam, num_rparam, + rdata, min_rdata, num_rdata); + fail: + TALLOC_FREE(frame); + return status; +} |