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samba-mirror/source3/libsmb/clifsinfo.c

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/*
Unix SMB/CIFS implementation.
FS info functions
Copyright (C) Stefan (metze) Metzmacher 2003
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/****************************************************************************
Get UNIX extensions version info.
****************************************************************************/
BOOL cli_unix_extensions_version(struct cli_state *cli, uint16 *pmajor, uint16 *pminor,
uint32 *pcaplow, uint32 *pcaphigh)
{
BOOL ret = False;
uint16 setup;
char param[2];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
setup = TRANSACT2_QFSINFO;
SSVAL(param,0,SMB_QUERY_CIFS_UNIX_INFO);
if (!cli_send_trans(cli, SMBtrans2,
NULL,
0, 0,
&setup, 1, 0,
param, 2, 0,
NULL, 0, 560)) {
goto cleanup;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
goto cleanup;
}
if (cli_is_error(cli)) {
ret = False;
goto cleanup;
} else {
ret = True;
}
if (rdata_count < 12) {
goto cleanup;
}
*pmajor = SVAL(rdata,0);
*pminor = SVAL(rdata,2);
*pcaplow = IVAL(rdata,4);
*pcaphigh = IVAL(rdata,8);
/* todo: but not yet needed
* return the other stuff
*/
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return ret;
}
/****************************************************************************
Set UNIX extensions capabilities.
****************************************************************************/
BOOL cli_set_unix_extensions_capabilities(struct cli_state *cli, uint16 major, uint16 minor,
uint32 caplow, uint32 caphigh)
{
BOOL ret = False;
uint16 setup;
char param[4];
char data[12];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
setup = TRANSACT2_SETFSINFO;
SSVAL(param,0,0);
SSVAL(param,2,SMB_SET_CIFS_UNIX_INFO);
SSVAL(data,0,major);
SSVAL(data,2,minor);
SIVAL(data,4,caplow);
SIVAL(data,8,caphigh);
if (!cli_send_trans(cli, SMBtrans2,
NULL,
0, 0,
&setup, 1, 0,
param, 4, 0,
data, 12, 560)) {
goto cleanup;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
goto cleanup;
}
if (cli_is_error(cli)) {
ret = False;
goto cleanup;
} else {
ret = True;
}
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return ret;
}
BOOL cli_get_fs_attr_info(struct cli_state *cli, uint32 *fs_attr)
{
BOOL ret = False;
uint16 setup;
char param[2];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
if (!cli||!fs_attr)
smb_panic("cli_get_fs_attr_info() called with NULL Pionter!");
setup = TRANSACT2_QFSINFO;
SSVAL(param,0,SMB_QUERY_FS_ATTRIBUTE_INFO);
if (!cli_send_trans(cli, SMBtrans2,
NULL,
0, 0,
&setup, 1, 0,
param, 2, 0,
NULL, 0, 560)) {
goto cleanup;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
goto cleanup;
}
if (cli_is_error(cli)) {
ret = False;
goto cleanup;
} else {
ret = True;
}
if (rdata_count < 12) {
goto cleanup;
}
*fs_attr = IVAL(rdata,0);
/* todo: but not yet needed
* return the other stuff
*/
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return ret;
}
BOOL cli_get_fs_volume_info_old(struct cli_state *cli, fstring volume_name, uint32 *pserial_number)
{
BOOL ret = False;
uint16 setup;
char param[2];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
unsigned char nlen;
setup = TRANSACT2_QFSINFO;
SSVAL(param,0,SMB_INFO_VOLUME);
if (!cli_send_trans(cli, SMBtrans2,
NULL,
0, 0,
&setup, 1, 0,
param, 2, 0,
NULL, 0, 560)) {
goto cleanup;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
goto cleanup;
}
if (cli_is_error(cli)) {
ret = False;
goto cleanup;
} else {
ret = True;
}
if (rdata_count < 5) {
goto cleanup;
}
if (pserial_number) {
*pserial_number = IVAL(rdata,0);
}
nlen = CVAL(rdata,l2_vol_cch);
clistr_pull(cli, volume_name, rdata + l2_vol_szVolLabel, sizeof(fstring), nlen, STR_NOALIGN);
/* todo: but not yet needed
* return the other stuff
*/
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return ret;
}
BOOL cli_get_fs_volume_info(struct cli_state *cli, fstring volume_name, uint32 *pserial_number, time_t *pdate)
{
BOOL ret = False;
uint16 setup;
char param[2];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
unsigned int nlen;
setup = TRANSACT2_QFSINFO;
SSVAL(param,0,SMB_QUERY_FS_VOLUME_INFO);
if (!cli_send_trans(cli, SMBtrans2,
NULL,
0, 0,
&setup, 1, 0,
param, 2, 0,
NULL, 0, 560)) {
goto cleanup;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
goto cleanup;
}
if (cli_is_error(cli)) {
ret = False;
goto cleanup;
} else {
ret = True;
}
if (rdata_count < 19) {
goto cleanup;
}
if (pdate) {
struct timespec ts;
ts = interpret_long_date(rdata);
*pdate = ts.tv_sec;
}
if (pserial_number) {
*pserial_number = IVAL(rdata,8);
}
nlen = IVAL(rdata,12);
clistr_pull(cli, volume_name, rdata + 18, sizeof(fstring), nlen, STR_UNICODE);
/* todo: but not yet needed
* return the other stuff
*/
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return ret;
}
/******************************************************************************
Send/receive the request encryption blob.
******************************************************************************/
static NTSTATUS enc_blob_send_receive(struct cli_state *cli, DATA_BLOB *in, DATA_BLOB *out)
{
uint16 setup;
char param[2];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
NTSTATUS status = NT_STATUS_OK;
setup = TRANSACT2_SETFSINFO;
SSVAL(param,0,SMB_REQUEST_TRANSPORT_ENCRYPTION);
if (!cli_send_trans(cli, SMBtrans2,
NULL,
0, 0,
&setup, 1, 0,
param, 2, 0,
(char *)in->data, in->length, CLI_BUFFER_SIZE)) {
status = cli_nt_error(cli);
goto out;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
status = cli_nt_error(cli);
goto out;
}
if (cli_is_error(cli)) {
status = cli_nt_error(cli);
if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
goto out;
}
}
*out = data_blob(rdata, rdata_count);
out:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return status;
}
/******************************************************************************
Start a raw ntlmssp encryption.
******************************************************************************/
NTSTATUS cli_raw_ntlm_smb_encryption_start(struct cli_state *cli,
const char *user,
const char *pass,
const char *domain)
{
DATA_BLOB blob_in = data_blob(NULL, 0);
DATA_BLOB blob_out = data_blob(NULL, 0);
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
struct smb_trans_enc_state *es = NULL;
es = SMB_MALLOC_P(struct smb_trans_enc_state);
if (!es) {
return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCTP(es);
es->smb_enc_type = SMB_TRANS_ENC_NTLM;
status = ntlmssp_client_start(&es->ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
ntlmssp_want_feature(es->ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
es->ntlmssp_state->neg_flags |= (NTLMSSP_NEGOTIATE_SIGN|NTLMSSP_NEGOTIATE_SEAL);
if (!NT_STATUS_IS_OK(status = ntlmssp_set_username(es->ntlmssp_state, user))) {
goto fail;
}
if (!NT_STATUS_IS_OK(status = ntlmssp_set_domain(es->ntlmssp_state, domain))) {
goto fail;
}
if (!NT_STATUS_IS_OK(status = ntlmssp_set_password(es->ntlmssp_state, pass))) {
goto fail;
}
do {
status = ntlmssp_update(es->ntlmssp_state, blob_in, &blob_out);
data_blob_free(&blob_in);
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) || NT_STATUS_IS_OK(status)) {
status = enc_blob_send_receive(cli, &blob_out, &blob_in);
}
data_blob_free(&blob_out);
} while (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED));
data_blob_free(&blob_in);
if (NT_STATUS_IS_OK(status)) {
/* Replace the old state, if any. */
if (cli->trans_enc_state) {
common_free_encryption_state(&cli->trans_enc_state);
}
cli->trans_enc_state = es;
cli->trans_enc_state->enc_on = True;
}
fail:
common_free_encryption_state(&es);
return status;
}