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/*
Unix SMB/CIFS implementation.
client connect/disconnect routines
Copyright (C) Andrew Tridgell 2003-2005
Copyright (C) James Peach 2005
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 "libcli/libcli.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/auth/libcli_auth.h"
#include "libcli/smb_composite/smb_composite.h"
#include "param/param.h"
/*
wrapper around smbcli_sock_connect()
*/
bool smbcli_socket_connect(struct smbcli_state *cli, const char *server)
{
struct smbcli_socket *sock;
sock = smbcli_sock_connect_byname(server, 0, NULL, NULL);
if (sock == NULL) return false;
cli->transport = smbcli_transport_init(sock, cli, true);
if (!cli->transport) {
return false;
}
return true;
}
/* wrapper around smbcli_transport_connect() */
bool smbcli_transport_establish(struct smbcli_state *cli,
struct nbt_name *calling,
struct nbt_name *called)
{
return smbcli_transport_connect(cli->transport, calling, called);
}
/* wrapper around smb_raw_negotiate() */
NTSTATUS smbcli_negprot(struct smbcli_state *cli, bool unicode, int maxprotocol)
{
return smb_raw_negotiate(cli->transport, unicode, maxprotocol);
}
/* wrapper around smb_raw_sesssetup() */
NTSTATUS smbcli_session_setup(struct smbcli_state *cli,
struct cli_credentials *credentials)
{
struct smb_composite_sesssetup setup;
NTSTATUS status;
cli->session = smbcli_session_init(cli->transport, cli, true);
if (!cli->session) return NT_STATUS_UNSUCCESSFUL;
setup.in.sesskey = cli->transport->negotiate.sesskey;
setup.in.capabilities = cli->transport->negotiate.capabilities;
setup.in.credentials = credentials;
setup.in.workgroup = lp_workgroup(global_loadparm);
status = smb_composite_sesssetup(cli->session, &setup);
cli->session->vuid = setup.out.vuid;
return status;
}
/* wrapper around smb_raw_tcon() */
NTSTATUS smbcli_tconX(struct smbcli_state *cli, const char *sharename,
const char *devtype, const char *password)
{
union smb_tcon tcon;
TALLOC_CTX *mem_ctx;
NTSTATUS status;
cli->tree = smbcli_tree_init(cli->session, cli, true);
if (!cli->tree) return NT_STATUS_UNSUCCESSFUL;
mem_ctx = talloc_init("tcon");
if (!mem_ctx) {
return NT_STATUS_NO_MEMORY;
}
/* setup a tree connect */
tcon.generic.level = RAW_TCON_TCONX;
tcon.tconx.in.flags = 0;
if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
tcon.tconx.in.password = data_blob(NULL, 0);
} else if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
tcon.tconx.in.password = data_blob_talloc(mem_ctx, NULL, 24);
if (cli->transport->negotiate.secblob.length < 8) {
return NT_STATUS_INVALID_PARAMETER;
}
SMBencrypt(password, cli->transport->negotiate.secblob.data, tcon.tconx.in.password.data);
} else {
tcon.tconx.in.password = data_blob_talloc(mem_ctx, password, strlen(password)+1);
}
tcon.tconx.in.path = sharename;
tcon.tconx.in.device = devtype;
status = smb_raw_tcon(cli->tree, mem_ctx, &tcon);
cli->tree->tid = tcon.tconx.out.tid;
talloc_free(mem_ctx);
return status;
}
/*
easy way to get to a fully connected smbcli_state in one call
*/
NTSTATUS smbcli_full_connection(TALLOC_CTX *parent_ctx,
struct smbcli_state **ret_cli,
const char *host,
const char *sharename,
const char *devtype,
struct cli_credentials *credentials,
struct event_context *ev)
{
struct smbcli_tree *tree;
NTSTATUS status;
*ret_cli = NULL;
status = smbcli_tree_full_connection(parent_ctx,
&tree, host, 0, sharename, devtype,
credentials, ev);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
(*ret_cli) = smbcli_state_init(parent_ctx);
(*ret_cli)->tree = tree;
(*ret_cli)->session = tree->session;
(*ret_cli)->transport = tree->session->transport;
talloc_steal(*ret_cli, tree);
done:
return status;
}
/*
disconnect the tree
*/
NTSTATUS smbcli_tdis(struct smbcli_state *cli)
{
return smb_tree_disconnect(cli->tree);
}
/****************************************************************************
Initialise a client state structure.
****************************************************************************/
struct smbcli_state *smbcli_state_init(TALLOC_CTX *mem_ctx)
{
return talloc_zero(mem_ctx, struct smbcli_state);
}
/* Insert a NULL at the first separator of the given path and return a pointer
* to the remainder of the string.
*/
static char *
terminate_path_at_separator(char * path)
{
char * p;
if (!path) {
return NULL;
}
if ((p = strchr_m(path, '/'))) {
*p = '\0';
return p + 1;
}
if ((p = strchr_m(path, '\\'))) {
*p = '\0';
return p + 1;
}
/* No separator. */
return NULL;
}
/*
parse a //server/share type UNC name
*/
bool smbcli_parse_unc(const char *unc_name, TALLOC_CTX *mem_ctx,
char **hostname, char **sharename)
{
char *p;
*hostname = *sharename = NULL;
if (strncmp(unc_name, "\\\\", 2) &&
strncmp(unc_name, "//", 2)) {
return false;
}
*hostname = talloc_strdup(mem_ctx, &unc_name[2]);
p = terminate_path_at_separator(*hostname);
if (p != NULL && *p) {
*sharename = talloc_strdup(mem_ctx, p);
terminate_path_at_separator(*sharename);
}
if (*hostname && *sharename) {
return true;
}
talloc_free(*hostname);
talloc_free(*sharename);
*hostname = *sharename = NULL;
return false;
}
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