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/*
* Unix SMB/CIFS implementation.
* NetApi Support
* Copyright (C) Guenther Deschner 2008
*
* 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 "lib/netapi/netapi.h"
#include "lib/netapi/netapi_private.h"
/********************************************************************
********************************************************************/
static WERROR libnetapi_open_ipc_connection(struct libnetapi_ctx *ctx,
const char *server_name,
struct cli_state **cli)
{
struct user_auth_info *auth_info = NULL;
struct cli_state *cli_ipc = NULL;
if (!ctx || !cli || !server_name) {
return WERR_INVALID_PARAM;
}
auth_info = user_auth_info_init(NULL);
if (!auth_info) {
return WERR_NOMEM;
}
auth_info->signing_state = Undefined;
set_cmdline_auth_info_use_kerberos(auth_info, ctx->use_kerberos);
set_cmdline_auth_info_password(auth_info, ctx->password);
set_cmdline_auth_info_username(auth_info, ctx->username);
if (ctx->username && ctx->username[0] &&
ctx->password && ctx->password[0] &&
ctx->use_kerberos) {
set_cmdline_auth_info_fallback_after_kerberos(auth_info, true);
}
cli_ipc = cli_cm_open(ctx, NULL,
server_name, "IPC$",
auth_info,
false, false,
PROTOCOL_NT1,
0, 0x20);
TALLOC_FREE(auth_info);
if (!cli_ipc) {
libnetapi_set_error_string(ctx,
"Failed to connect to IPC$ share on %s", server_name);
return WERR_CAN_NOT_COMPLETE;
}
*cli = cli_ipc;
return WERR_OK;
}
/********************************************************************
********************************************************************/
struct client_pipe_connection {
struct client_pipe_connection *prev, *next;
struct rpc_pipe_client *pipe;
struct cli_state *cli;
};
static struct client_pipe_connection *pipe_connections;
/********************************************************************
********************************************************************/
WERROR libnetapi_shutdown_cm(struct libnetapi_ctx *ctx)
{
struct client_pipe_connection *p;
for (p = pipe_connections; p; p = p->next) {
cli_shutdown(p->cli);
}
return WERR_OK;
}
/********************************************************************
********************************************************************/
static NTSTATUS pipe_cm_find(struct cli_state *cli,
const struct ndr_syntax_id *interface,
struct rpc_pipe_client **presult)
{
struct client_pipe_connection *p;
for (p = pipe_connections; p; p = p->next) {
if (!rpc_pipe_np_smb_conn(p->pipe)) {
return NT_STATUS_PIPE_EMPTY;
}
if (strequal(cli->desthost, p->pipe->desthost)
&& ndr_syntax_id_equal(&p->pipe->abstract_syntax,
interface)) {
*presult = p->pipe;
return NT_STATUS_OK;
}
}
return NT_STATUS_PIPE_NOT_AVAILABLE;
}
/********************************************************************
********************************************************************/
static NTSTATUS pipe_cm_connect(TALLOC_CTX *mem_ctx,
struct cli_state *cli,
const struct ndr_syntax_id *interface,
struct rpc_pipe_client **presult)
{
struct client_pipe_connection *p;
NTSTATUS status;
p = TALLOC_ZERO_ARRAY(mem_ctx, struct client_pipe_connection, 1);
if (!p) {
return NT_STATUS_NO_MEMORY;
}
status = cli_rpc_pipe_open_noauth(cli, interface, &p->pipe);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(p);
return status;
}
p->cli = cli;
DLIST_ADD(pipe_connections, p);
*presult = p->pipe;
return NT_STATUS_OK;
}
/********************************************************************
********************************************************************/
static NTSTATUS pipe_cm_open(TALLOC_CTX *ctx,
struct cli_state *cli,
const struct ndr_syntax_id *interface,
struct rpc_pipe_client **presult)
{
if (NT_STATUS_IS_OK(pipe_cm_find(cli, interface, presult))) {
return NT_STATUS_OK;
}
return pipe_cm_connect(ctx, cli, interface, presult);
}
/********************************************************************
********************************************************************/
WERROR libnetapi_open_pipe(struct libnetapi_ctx *ctx,
const char *server_name,
const struct ndr_syntax_id *interface,
struct rpc_pipe_client **presult)
{
struct rpc_pipe_client *result = NULL;
NTSTATUS status;
WERROR werr;
struct cli_state *cli = NULL;
if (!presult) {
return WERR_INVALID_PARAM;
}
werr = libnetapi_open_ipc_connection(ctx, server_name, &cli);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
status = pipe_cm_open(ctx, cli, interface, &result);
if (!NT_STATUS_IS_OK(status)) {
libnetapi_set_error_string(ctx, "failed to open PIPE %s: %s",
get_pipe_name_from_iface(interface),
get_friendly_nt_error_msg(status));
return WERR_DEST_NOT_FOUND;
}
*presult = result;
return WERR_OK;
}
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