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https://github.com/samba-team/samba.git
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0059929601
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
159 lines
4.2 KiB
C
159 lines
4.2 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* RPC client transport over named pipes
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* Copyright (C) Volker Lendecke 2009
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "../lib/util/tevent_ntstatus.h"
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#include "rpc_client/rpc_transport.h"
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#include "librpc/ndr/ndr_table.h"
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#include "libcli/smb/smbXcli_base.h"
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#include "libcli/smb/tstream_smbXcli_np.h"
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#include "client.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_RPC_CLI
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struct rpc_transport_np_init_state {
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struct rpc_cli_transport *transport;
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};
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static void rpc_transport_np_init_pipe_open(struct tevent_req *subreq);
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struct tevent_req *rpc_transport_np_init_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct cli_state *cli,
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const struct ndr_interface_table *table)
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{
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struct tevent_req *req;
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struct rpc_transport_np_init_state *state;
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const char *pipe_name;
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struct tevent_req *subreq;
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struct smbXcli_session *session;
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struct smbXcli_tcon *tcon;
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uint16_t pid = 0;
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req = tevent_req_create(mem_ctx, &state,
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struct rpc_transport_np_init_state);
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if (req == NULL) {
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return NULL;
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}
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if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
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tcon = cli->smb2.tcon;
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session = cli->smb2.session;
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} else {
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tcon = cli->smb1.tcon;
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session = cli->smb1.session;
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pid = cli->smb1.pid;
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}
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pipe_name = dcerpc_default_transport_endpoint(mem_ctx, NCACN_NP, table);
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if (tevent_req_nomem(pipe_name, req)) {
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return tevent_req_post(req, ev);
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}
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while (pipe_name[0] == '\\') {
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pipe_name++;
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}
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subreq = tstream_smbXcli_np_open_send(state, ev, cli->conn,
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session, tcon, pid,
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cli->timeout, pipe_name);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(subreq, rpc_transport_np_init_pipe_open, req);
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return req;
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}
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static void rpc_transport_np_init_pipe_open(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct rpc_transport_np_init_state *state = tevent_req_data(
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req, struct rpc_transport_np_init_state);
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NTSTATUS status;
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struct tstream_context *stream;
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status = tstream_smbXcli_np_open_recv(subreq, state, &stream);
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TALLOC_FREE(subreq);
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if (!NT_STATUS_IS_OK(status)) {
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tevent_req_nterror(req, status);
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return;
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}
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status = rpc_transport_tstream_init(state,
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&stream,
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&state->transport);
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if (!NT_STATUS_IS_OK(status)) {
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tevent_req_nterror(req, status);
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return;
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}
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tevent_req_done(req);
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}
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NTSTATUS rpc_transport_np_init_recv(struct tevent_req *req,
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TALLOC_CTX *mem_ctx,
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struct rpc_cli_transport **presult)
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{
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struct rpc_transport_np_init_state *state = tevent_req_data(
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req, struct rpc_transport_np_init_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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return status;
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}
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*presult = talloc_move(mem_ctx, &state->transport);
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return NT_STATUS_OK;
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}
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NTSTATUS rpc_transport_np_init(TALLOC_CTX *mem_ctx, struct cli_state *cli,
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const struct ndr_interface_table *table,
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struct rpc_cli_transport **presult)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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struct tevent_context *ev;
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struct tevent_req *req;
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NTSTATUS status = NT_STATUS_OK;
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ev = samba_tevent_context_init(frame);
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if (ev == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto fail;
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}
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req = rpc_transport_np_init_send(frame, ev, cli, table);
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if (req == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto fail;
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}
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if (!tevent_req_poll(req, ev)) {
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status = map_nt_error_from_unix(errno);
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goto fail;
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}
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status = rpc_transport_np_init_recv(req, mem_ctx, presult);
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fail:
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TALLOC_FREE(frame);
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return status;
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}
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