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samba-mirror/source3/libsmb/clirap.c
Jeremy Allison d824b98f80 r23779: Change from v2 or later to v3 or later.
Jeremy.
(This used to be commit 407e6e695b)
2007-10-10 12:28:20 -05:00

936 lines
26 KiB
C

/*
Unix SMB/CIFS implementation.
client RAP calls
Copyright (C) Andrew Tridgell 1994-1998
Copyright (C) Gerald (Jerry) Carter 2004
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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/****************************************************************************
Call a remote api on an arbitrary pipe. takes param, data and setup buffers.
****************************************************************************/
BOOL cli_api_pipe(struct cli_state *cli, const char *pipe_name,
uint16 *setup, uint32 setup_count, uint32 max_setup_count,
char *params, uint32 param_count, uint32 max_param_count,
char *data, uint32 data_count, uint32 max_data_count,
char **rparam, uint32 *rparam_count,
char **rdata, uint32 *rdata_count)
{
cli_send_trans(cli, SMBtrans,
pipe_name,
0,0, /* fid, flags */
setup, setup_count, max_setup_count,
params, param_count, max_param_count,
data, data_count, max_data_count);
return (cli_receive_trans(cli, SMBtrans,
rparam, (unsigned int *)rparam_count,
rdata, (unsigned int *)rdata_count));
}
/****************************************************************************
Call a remote api
****************************************************************************/
BOOL cli_api(struct cli_state *cli,
char *param, int prcnt, int mprcnt,
char *data, int drcnt, int mdrcnt,
char **rparam, unsigned int *rprcnt,
char **rdata, unsigned int *rdrcnt)
{
cli_send_trans(cli,SMBtrans,
PIPE_LANMAN, /* Name */
0,0, /* fid, flags */
NULL,0,0, /* Setup, length, max */
param, prcnt, mprcnt, /* Params, length, max */
data, drcnt, mdrcnt /* Data, length, max */
);
return (cli_receive_trans(cli,SMBtrans,
rparam, rprcnt,
rdata, rdrcnt));
}
/****************************************************************************
Perform a NetWkstaUserLogon.
****************************************************************************/
BOOL cli_NetWkstaUserLogon(struct cli_state *cli,char *user, char *workstation)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
unsigned int rdrcnt,rprcnt;
pstring param;
memset(param, 0, sizeof(param));
/* send a SMBtrans command with api NetWkstaUserLogon */
p = param;
SSVAL(p,0,132); /* api number */
p += 2;
pstrcpy_base(p,"OOWb54WrLh",param);
p = skip_string(param,sizeof(param),p);
pstrcpy_base(p,"WB21BWDWWDDDDDDDzzzD",param);
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,1);
p += 2;
pstrcpy_base(p,user,param);
strupper_m(p);
p += 21;
p++;
p += 15;
p++;
pstrcpy_base(p, workstation, param);
strupper_m(p);
p += 16;
SSVAL(p, 0, CLI_BUFFER_SIZE);
p += 2;
SSVAL(p, 0, CLI_BUFFER_SIZE);
p += 2;
if (cli_api(cli,
param, PTR_DIFF(p,param),1024, /* param, length, max */
NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
&rparam, &rprcnt, /* return params, return size */
&rdata, &rdrcnt /* return data, return size */
)) {
cli->rap_error = rparam? SVAL(rparam,0) : -1;
p = rdata;
if (cli->rap_error == 0) {
DEBUG(4,("NetWkstaUserLogon success\n"));
cli->privileges = SVAL(p, 24);
/* The cli->eff_name field used to be set here
but it wasn't used anywhere else. */
} else {
DEBUG(1,("NetwkstaUserLogon gave error %d\n", cli->rap_error));
}
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return (cli->rap_error == 0);
}
/****************************************************************************
Call a NetShareEnum - try and browse available connections on a host.
****************************************************************************/
int cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, const char *, void *), void *state)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
unsigned int rdrcnt,rprcnt;
pstring param;
int count = -1;
/* now send a SMBtrans command with api RNetShareEnum */
p = param;
SSVAL(p,0,0); /* api number */
p += 2;
pstrcpy_base(p,"WrLeh",param);
p = skip_string(param,sizeof(param),p);
pstrcpy_base(p,"B13BWz",param);
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,1);
/*
* Win2k needs a *smaller* buffer than 0xFFFF here -
* it returns "out of server memory" with 0xFFFF !!! JRA.
*/
SSVAL(p,2,0xFFE0);
p += 4;
if (cli_api(cli,
param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
NULL, 0, 0xFFE0, /* data, length, maxlen - Win2k needs a small buffer here too ! */
&rparam, &rprcnt, /* return params, length */
&rdata, &rdrcnt)) /* return data, length */
{
int res = rparam? SVAL(rparam,0) : -1;
if (res == 0 || res == ERRmoredata) {
int converter=SVAL(rparam,2);
int i;
count=SVAL(rparam,4);
p = rdata;
for (i=0;i<count;i++,p+=20) {
char *sname = p;
int type = SVAL(p,14);
int comment_offset = IVAL(p,16) & 0xFFFF;
const char *cmnt = comment_offset?(rdata+comment_offset-converter):"";
pstring s1, s2;
pull_ascii_pstring(s1, sname);
pull_ascii_pstring(s2, cmnt);
fn(s1, type, s2, state);
}
} else {
DEBUG(4,("NetShareEnum res=%d\n", res));
}
} else {
DEBUG(4,("NetShareEnum failed\n"));
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return count;
}
/****************************************************************************
Call a NetServerEnum for the specified workgroup and servertype mask. This
function then calls the specified callback function for each name returned.
The callback function takes 4 arguments: the machine name, the server type,
the comment and a state pointer.
****************************************************************************/
BOOL cli_NetServerEnum(struct cli_state *cli, char *workgroup, uint32 stype,
void (*fn)(const char *, uint32, const char *, void *),
void *state)
{
char *rparam = NULL;
char *rdata = NULL;
unsigned int rdrcnt,rprcnt;
char *p;
pstring param;
int uLevel = 1;
int count = -1;
errno = 0; /* reset */
/* send a SMBtrans command with api NetServerEnum */
p = param;
SSVAL(p,0,0x68); /* api number */
p += 2;
pstrcpy_base(p,"WrLehDz", param);
p = skip_string(param,sizeof(param),p);
pstrcpy_base(p,"B16BBDz", param);
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,uLevel);
SSVAL(p,2,CLI_BUFFER_SIZE);
p += 4;
SIVAL(p,0,stype);
p += 4;
p += push_ascii(p, workgroup, sizeof(pstring)-PTR_DIFF(p,param)-1, STR_TERMINATE|STR_UPPER);
if (cli_api(cli,
param, PTR_DIFF(p,param), 8, /* params, length, max */
NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
&rparam, &rprcnt, /* return params, return size */
&rdata, &rdrcnt /* return data, return size */
)) {
int res = rparam? SVAL(rparam,0) : -1;
if (res == 0 || res == ERRmoredata ||
(res != -1 && cli_errno(cli) == 0)) {
int i;
int converter=SVAL(rparam,2);
count=SVAL(rparam,4);
p = rdata;
for (i = 0;i < count;i++, p += 26) {
char *sname = p;
int comment_offset = (IVAL(p,22) & 0xFFFF)-converter;
const char *cmnt = comment_offset?(rdata+comment_offset):"";
pstring s1, s2;
if (comment_offset < 0 || comment_offset > (int)rdrcnt) continue;
stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
pull_ascii_pstring(s1, sname);
pull_ascii_pstring(s2, cmnt);
fn(s1, stype, s2, state);
}
}
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
if (count < 0) {
errno = cli_errno(cli);
} else {
if (!count) {
/* this is a very special case, when the domain master for the
work group isn't part of the work group itself, there is something
wild going on */
errno = ENOENT;
}
}
return(count > 0);
}
/****************************************************************************
Send a SamOEMChangePassword command.
****************************************************************************/
BOOL cli_oem_change_password(struct cli_state *cli, const char *user, const char *new_password,
const char *old_password)
{
pstring param;
unsigned char data[532];
char *p = param;
unsigned char old_pw_hash[16];
unsigned char new_pw_hash[16];
unsigned int data_len;
unsigned int param_len = 0;
char *rparam = NULL;
char *rdata = NULL;
unsigned int rprcnt, rdrcnt;
if (strlen(user) >= sizeof(fstring)-1) {
DEBUG(0,("cli_oem_change_password: user name %s is too long.\n", user));
return False;
}
SSVAL(p,0,214); /* SamOEMChangePassword command. */
p += 2;
pstrcpy_base(p, "zsT", param);
p = skip_string(param,sizeof(param),p);
pstrcpy_base(p, "B516B16", param);
p = skip_string(param,sizeof(param),p);
pstrcpy_base(p,user, param);
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,532);
p += 2;
param_len = PTR_DIFF(p,param);
/*
* Get the Lanman hash of the old password, we
* use this as the key to make_oem_passwd_hash().
*/
E_deshash(old_password, old_pw_hash);
encode_pw_buffer(data, new_password, STR_ASCII);
#ifdef DEBUG_PASSWORD
DEBUG(100,("make_oem_passwd_hash\n"));
dump_data(100, data, 516);
#endif
SamOEMhash( (unsigned char *)data, (unsigned char *)old_pw_hash, 516);
/*
* Now place the old password hash in the data.
*/
E_deshash(new_password, new_pw_hash);
E_old_pw_hash( new_pw_hash, old_pw_hash, (uchar *)&data[516]);
data_len = 532;
if (cli_send_trans(cli,SMBtrans,
PIPE_LANMAN, /* name */
0,0, /* fid, flags */
NULL,0,0, /* setup, length, max */
param,param_len,2, /* param, length, max */
(char *)data,data_len,0 /* data, length, max */
) == False) {
DEBUG(0,("cli_oem_change_password: Failed to send password change for user %s\n",
user ));
return False;
}
if (!cli_receive_trans(cli,SMBtrans,
&rparam, &rprcnt,
&rdata, &rdrcnt)) {
DEBUG(0,("cli_oem_change_password: Failed to recieve reply to password change for user %s\n",
user ));
return False;
}
if (rparam) {
cli->rap_error = SVAL(rparam,0);
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return (cli->rap_error == 0);
}
/****************************************************************************
Send a qpathinfo call.
****************************************************************************/
BOOL cli_qpathinfo(struct cli_state *cli, const char *fname,
time_t *change_time,
time_t *access_time,
time_t *write_time,
SMB_OFF_T *size, uint16 *mode)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
unsigned int rparam_len, rdata_len;
uint16 setup = TRANSACT2_QPATHINFO;
pstring param;
char *rparam=NULL, *rdata=NULL;
int count=8;
BOOL ret;
time_t (*date_fn)(struct cli_state *, void *);
char *p;
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_INFO_STANDARD);
p += 6;
p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
do {
ret = (cli_send_trans(cli, SMBtrans2,
NULL, /* Name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 10, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
) &&
cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_len,
&rdata, &rdata_len));
if (!cli_is_dos_error(cli)) break;
if (!ret) {
/* we need to work around a Win95 bug - sometimes
it gives ERRSRV/ERRerror temprarily */
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
if (eclass != ERRSRV || ecode != ERRerror) break;
smb_msleep(100);
}
} while (count-- && ret==False);
if (!ret || !rdata || rdata_len < 22) {
return False;
}
if (cli->win95) {
date_fn = cli_make_unix_date;
} else {
date_fn = cli_make_unix_date2;
}
if (change_time) {
*change_time = date_fn(cli, rdata+0);
}
if (access_time) {
*access_time = date_fn(cli, rdata+4);
}
if (write_time) {
*write_time = date_fn(cli, rdata+8);
}
if (size) {
*size = IVAL(rdata, 12);
}
if (mode) {
*mode = SVAL(rdata,l1_attrFile);
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a setpathinfo call.
****************************************************************************/
BOOL cli_setpathinfo(struct cli_state *cli, const char *fname,
time_t create_time,
time_t access_time,
time_t write_time,
time_t change_time,
uint16 mode)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
unsigned int rparam_len, rdata_len;
uint16 setup = TRANSACT2_SETPATHINFO;
pstring param;
pstring data;
char *rparam=NULL, *rdata=NULL;
int count=8;
BOOL ret;
char *p;
memset(param, 0, sizeof(param));
memset(data, 0, sizeof(data));
p = param;
/* Add the information level */
SSVAL(p, 0, SMB_FILE_BASIC_INFORMATION);
/* Skip reserved */
p += 6;
/* Add the file name */
p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
p = data;
/*
* Add the create, last access, modification, and status change times
*/
put_long_date(p, create_time);
p += 8;
put_long_date(p, access_time);
p += 8;
put_long_date(p, write_time);
p += 8;
put_long_date(p, change_time);
p += 8;
/* Add attributes */
SIVAL(p, 0, mode);
p += 4;
/* Add padding */
SIVAL(p, 0, 0);
p += 4;
data_len = PTR_DIFF(p, data);
do {
ret = (cli_send_trans(cli, SMBtrans2,
NULL, /* Name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 10, /* param, length, max */
data, data_len, cli->max_xmit /* data, length, max */
) &&
cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_len,
&rdata, &rdata_len));
if (!cli_is_dos_error(cli)) break;
if (!ret) {
/* we need to work around a Win95 bug - sometimes
it gives ERRSRV/ERRerror temprarily */
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
if (eclass != ERRSRV || ecode != ERRerror) break;
smb_msleep(100);
}
} while (count-- && ret==False);
if (!ret) {
return False;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a qpathinfo call with the SMB_QUERY_FILE_ALL_INFO info level.
****************************************************************************/
BOOL cli_qpathinfo2(struct cli_state *cli, const char *fname,
struct timespec *create_time,
struct timespec *access_time,
struct timespec *write_time,
struct timespec *change_time,
SMB_OFF_T *size, uint16 *mode,
SMB_INO_T *ino)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
pstring param;
char *rparam=NULL, *rdata=NULL;
char *p;
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_QUERY_FILE_ALL_INFO);
p += 6;
p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 10, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (!rdata || data_len < 22) {
return False;
}
if (create_time) {
*create_time = interpret_long_date(rdata+0);
}
if (access_time) {
*access_time = interpret_long_date(rdata+8);
}
if (write_time) {
*write_time = interpret_long_date(rdata+16);
}
if (change_time) {
*change_time = interpret_long_date(rdata+24);
}
if (mode) {
*mode = SVAL(rdata, 32);
}
if (size) {
*size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
}
if (ino) {
*ino = IVAL(rdata, 64);
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a qfileinfo QUERY_FILE_NAME_INFO call.
****************************************************************************/
BOOL cli_qfilename(struct cli_state *cli, int fnum,
pstring name)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QFILEINFO;
pstring param;
char *rparam=NULL, *rdata=NULL;
param_len = 4;
memset(param, 0, param_len);
SSVAL(param, 0, fnum);
SSVAL(param, 2, SMB_QUERY_FILE_NAME_INFO);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (!rdata || data_len < 4) {
return False;
}
clistr_pull(cli, name, rdata+4, sizeof(pstring), IVAL(rdata, 0), STR_UNICODE);
return True;
}
/****************************************************************************
Send a qfileinfo call.
****************************************************************************/
BOOL cli_qfileinfo(struct cli_state *cli, int fnum,
uint16 *mode, SMB_OFF_T *size,
struct timespec *create_time,
struct timespec *access_time,
struct timespec *write_time,
struct timespec *change_time,
SMB_INO_T *ino)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QFILEINFO;
pstring param;
char *rparam=NULL, *rdata=NULL;
/* if its a win95 server then fail this - win95 totally screws it
up */
if (cli->win95) return False;
param_len = 4;
memset(param, 0, param_len);
SSVAL(param, 0, fnum);
SSVAL(param, 2, SMB_QUERY_FILE_ALL_INFO);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (!rdata || data_len < 68) {
return False;
}
if (create_time) {
*create_time = interpret_long_date(rdata+0);
}
if (access_time) {
*access_time = interpret_long_date(rdata+8);
}
if (write_time) {
*write_time = interpret_long_date(rdata+16);
}
if (change_time) {
*change_time = interpret_long_date(rdata+24);
}
if (mode) {
*mode = SVAL(rdata, 32);
}
if (size) {
*size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
}
if (ino) {
*ino = IVAL(rdata, 64);
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a qpathinfo BASIC_INFO call.
****************************************************************************/
BOOL cli_qpathinfo_basic( struct cli_state *cli, const char *name,
SMB_STRUCT_STAT *sbuf, uint32 *attributes )
{
unsigned int param_len = 0;
unsigned int data_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char param[sizeof(pstring)+6];
char *rparam=NULL, *rdata=NULL;
char *p;
pstring path;
int len;
pstrcpy( path, name );
/* cleanup */
len = strlen( path );
if ( path[len-1] == '\\' || path[len-1] == '/')
path[len-1] = '\0';
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_QUERY_FILE_BASIC_INFO);
p += 6;
p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
NULL, 0, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (data_len < 36) {
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
set_atimespec(sbuf, interpret_long_date( rdata+8 )); /* Access time. */
set_mtimespec(sbuf, interpret_long_date( rdata+16 )); /* Write time. */
set_ctimespec(sbuf, interpret_long_date( rdata+24 )); /* Change time. */
*attributes = IVAL( rdata, 32 );
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return True;
}
/****************************************************************************
Send a qfileinfo call.
****************************************************************************/
BOOL cli_qfileinfo_test(struct cli_state *cli, int fnum, int level, char **poutdata, uint32 *poutlen)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QFILEINFO;
pstring param;
char *rparam=NULL, *rdata=NULL;
*poutdata = NULL;
*poutlen = 0;
/* if its a win95 server then fail this - win95 totally screws it
up */
if (cli->win95)
return False;
param_len = 4;
memset(param, 0, param_len);
SSVAL(param, 0, fnum);
SSVAL(param, 2, level);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
*poutdata = (char *)memdup(rdata, data_len);
if (!*poutdata) {
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
*poutlen = data_len;
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call.
****************************************************************************/
NTSTATUS cli_qpathinfo_alt_name(struct cli_state *cli, const char *fname, fstring alt_name)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
pstring param;
char *rparam=NULL, *rdata=NULL;
int count=8;
char *p;
BOOL ret;
unsigned int len;
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_QUERY_FILE_ALT_NAME_INFO);
p += 6;
p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
do {
ret = (cli_send_trans(cli, SMBtrans2,
NULL, /* Name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 10, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
) &&
cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len));
if (!ret && cli_is_dos_error(cli)) {
/* we need to work around a Win95 bug - sometimes
it gives ERRSRV/ERRerror temprarily */
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
if (eclass != ERRSRV || ecode != ERRerror) break;
smb_msleep(100);
}
} while (count-- && ret==False);
if (!ret || !rdata || data_len < 4) {
return NT_STATUS_UNSUCCESSFUL;
}
len = IVAL(rdata, 0);
if (len > data_len - 4) {
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
clistr_pull(cli, alt_name, rdata+4, sizeof(fstring), len, STR_UNICODE);
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return NT_STATUS_OK;
}